[ffvpx] Update ffvp9/ffvp8 to 3.4.2-release

Structure of code was slightly modified so that it should be no longer necessary to re-generate the config_*.h files, greatly simplifying the resync process in the future.

95 files changed, 11324 insertions, 8816 deletions

diff --git a/media/ffvpx/libavcodec/allcodecs.c b/media/ffvpx/libavcodec/allcodecs.c
index b592aa3b2..4f34312e6 100644
--- a/media/ffvpx/libavcodec/allcodecs.c
+++ b/media/ffvpx/libavcodec/allcodecs.c
@@ -25,6 +25,7 @@
  */
 
 #include "config.h"
+#include "libavutil/thread.h"
 #include "avcodec.h"
 #include "version.h"
 
@@ -58,20 +59,14 @@
             av_register_codec_parser(&ff_##x##_parser);                 \
     }
 
-void avcodec_register_all(void)
+static void register_all(void)
 {
-    static int initialized;
-
-    if (initialized)
-        return;
-    initialized = 1;
-
     /* hardware accelerators */
-    REGISTER_HWACCEL(H263_CUVID,        h263_cuvid);
     REGISTER_HWACCEL(H263_VAAPI,        h263_vaapi);
     REGISTER_HWACCEL(H263_VIDEOTOOLBOX, h263_videotoolbox);
     REGISTER_HWACCEL(H264_CUVID,        h264_cuvid);
     REGISTER_HWACCEL(H264_D3D11VA,      h264_d3d11va);
+    REGISTER_HWACCEL(H264_D3D11VA2,     h264_d3d11va2);
     REGISTER_HWACCEL(H264_DXVA2,        h264_dxva2);
     REGISTER_HWACCEL(H264_MEDIACODEC,   h264_mediacodec);
     REGISTER_HWACCEL(H264_MMAL,         h264_mmal);
@@ -83,11 +78,13 @@ void avcodec_register_all(void)
     REGISTER_HWACCEL(H264_VIDEOTOOLBOX, h264_videotoolbox);
     REGISTER_HWACCEL(HEVC_CUVID,        hevc_cuvid);
     REGISTER_HWACCEL(HEVC_D3D11VA,      hevc_d3d11va);
+    REGISTER_HWACCEL(HEVC_D3D11VA2,     hevc_d3d11va2);
     REGISTER_HWACCEL(HEVC_DXVA2,        hevc_dxva2);
     REGISTER_HWACCEL(HEVC_MEDIACODEC,   hevc_mediacodec);
     REGISTER_HWACCEL(HEVC_QSV,          hevc_qsv);
     REGISTER_HWACCEL(HEVC_VAAPI,        hevc_vaapi);
     REGISTER_HWACCEL(HEVC_VDPAU,        hevc_vdpau);
+    REGISTER_HWACCEL(HEVC_VIDEOTOOLBOX, hevc_videotoolbox);
     REGISTER_HWACCEL(MJPEG_CUVID,       mjpeg_cuvid);
     REGISTER_HWACCEL(MPEG1_CUVID,       mpeg1_cuvid);
     REGISTER_HWACCEL(MPEG1_XVMC,        mpeg1_xvmc);
@@ -96,12 +93,14 @@ void avcodec_register_all(void)
     REGISTER_HWACCEL(MPEG2_CUVID,       mpeg2_cuvid);
     REGISTER_HWACCEL(MPEG2_XVMC,        mpeg2_xvmc);
     REGISTER_HWACCEL(MPEG2_D3D11VA,     mpeg2_d3d11va);
+    REGISTER_HWACCEL(MPEG2_D3D11VA2,    mpeg2_d3d11va2);
     REGISTER_HWACCEL(MPEG2_DXVA2,       mpeg2_dxva2);
     REGISTER_HWACCEL(MPEG2_MMAL,        mpeg2_mmal);
     REGISTER_HWACCEL(MPEG2_QSV,         mpeg2_qsv);
     REGISTER_HWACCEL(MPEG2_VAAPI,       mpeg2_vaapi);
     REGISTER_HWACCEL(MPEG2_VDPAU,       mpeg2_vdpau);
     REGISTER_HWACCEL(MPEG2_VIDEOTOOLBOX, mpeg2_videotoolbox);
+    REGISTER_HWACCEL(MPEG2_MEDIACODEC,  mpeg2_mediacodec);
     REGISTER_HWACCEL(MPEG4_CUVID,       mpeg4_cuvid);
     REGISTER_HWACCEL(MPEG4_MEDIACODEC,  mpeg4_mediacodec);
     REGISTER_HWACCEL(MPEG4_MMAL,        mpeg4_mmal);
@@ -110,6 +109,7 @@ void avcodec_register_all(void)
     REGISTER_HWACCEL(MPEG4_VIDEOTOOLBOX, mpeg4_videotoolbox);
     REGISTER_HWACCEL(VC1_CUVID,         vc1_cuvid);
     REGISTER_HWACCEL(VC1_D3D11VA,       vc1_d3d11va);
+    REGISTER_HWACCEL(VC1_D3D11VA2,      vc1_d3d11va2);
     REGISTER_HWACCEL(VC1_DXVA2,         vc1_dxva2);
     REGISTER_HWACCEL(VC1_VAAPI,         vc1_vaapi);
     REGISTER_HWACCEL(VC1_VDPAU,         vc1_vdpau);
@@ -117,12 +117,15 @@ void avcodec_register_all(void)
     REGISTER_HWACCEL(VC1_QSV,           vc1_qsv);
     REGISTER_HWACCEL(VP8_CUVID,         vp8_cuvid);
     REGISTER_HWACCEL(VP8_MEDIACODEC,    vp8_mediacodec);
+    REGISTER_HWACCEL(VP8_QSV,           vp8_qsv);
     REGISTER_HWACCEL(VP9_CUVID,         vp9_cuvid);
     REGISTER_HWACCEL(VP9_D3D11VA,       vp9_d3d11va);
+    REGISTER_HWACCEL(VP9_D3D11VA2,      vp9_d3d11va2);
     REGISTER_HWACCEL(VP9_DXVA2,         vp9_dxva2);
     REGISTER_HWACCEL(VP9_MEDIACODEC,    vp9_mediacodec);
     REGISTER_HWACCEL(VP9_VAAPI,         vp9_vaapi);
     REGISTER_HWACCEL(WMV3_D3D11VA,      wmv3_d3d11va);
+    REGISTER_HWACCEL(WMV3_D3D11VA2,     wmv3_d3d11va2);
     REGISTER_HWACCEL(WMV3_DXVA2,        wmv3_dxva2);
     REGISTER_HWACCEL(WMV3_VAAPI,        wmv3_vaapi);
     REGISTER_HWACCEL(WMV3_VDPAU,        wmv3_vdpau);
@@ -158,6 +161,7 @@ void avcodec_register_all(void)
     REGISTER_DECODER(CDXL,              cdxl);
     REGISTER_DECODER(CFHD,              cfhd);
     REGISTER_ENCDEC (CINEPAK,           cinepak);
+    REGISTER_DECODER(CLEARVIDEO,        clearvideo);
     REGISTER_ENCDEC (CLJR,              cljr);
     REGISTER_DECODER(CLLC,              cllc);
     REGISTER_ENCDEC (COMFORTNOISE,      comfortnoise);
@@ -189,24 +193,30 @@ void avcodec_register_all(void)
     REGISTER_ENCDEC (FFV1,              ffv1);
     REGISTER_ENCDEC (FFVHUFF,           ffvhuff);
     REGISTER_DECODER(FIC,               fic);
+    REGISTER_ENCDEC (FITS,              fits);
     REGISTER_ENCDEC (FLASHSV,           flashsv);
     REGISTER_ENCDEC (FLASHSV2,          flashsv2);
     REGISTER_DECODER(FLIC,              flic);
     REGISTER_ENCDEC (FLV,               flv);
+    REGISTER_DECODER(FMVC,              fmvc);
     REGISTER_DECODER(FOURXM,            fourxm);
     REGISTER_DECODER(FRAPS,             fraps);
     REGISTER_DECODER(FRWU,              frwu);
     REGISTER_DECODER(G2M,               g2m);
+    REGISTER_DECODER(GDV,               gdv);
     REGISTER_ENCDEC (GIF,               gif);
     REGISTER_ENCDEC (H261,              h261);
     REGISTER_ENCDEC (H263,              h263);
     REGISTER_DECODER(H263I,             h263i);
     REGISTER_ENCDEC (H263P,             h263p);
+    REGISTER_DECODER(H263_V4L2M2M,      h263_v4l2m2m);
     REGISTER_DECODER(H264,              h264);
     REGISTER_DECODER(H264_CRYSTALHD,    h264_crystalhd);
+    REGISTER_DECODER(H264_V4L2M2M,      h264_v4l2m2m);
     REGISTER_DECODER(H264_MEDIACODEC,   h264_mediacodec);
     REGISTER_DECODER(H264_MMAL,         h264_mmal);
     REGISTER_DECODER(H264_QSV,          h264_qsv);
+    REGISTER_DECODER(H264_RKMPP,        h264_rkmpp);
     REGISTER_DECODER(H264_VDA,          h264_vda);
 #if FF_API_VDPAU
     REGISTER_DECODER(H264_VDPAU,        h264_vdpau);
@@ -214,6 +224,8 @@ void avcodec_register_all(void)
     REGISTER_ENCDEC (HAP,               hap);
     REGISTER_DECODER(HEVC,              hevc);
     REGISTER_DECODER(HEVC_QSV,          hevc_qsv);
+    REGISTER_DECODER(HEVC_RKMPP,        hevc_rkmpp);
+    REGISTER_DECODER(HEVC_V4L2M2M,      hevc_v4l2m2m);
     REGISTER_DECODER(HNM4_VIDEO,        hnm4_video);
     REGISTER_DECODER(HQ_HQA,            hq_hqa);
     REGISTER_DECODER(HQX,               hqx);
@@ -248,6 +260,7 @@ void avcodec_register_all(void)
     REGISTER_ENCDEC (MPEG2VIDEO,        mpeg2video);
     REGISTER_ENCDEC (MPEG4,             mpeg4);
     REGISTER_DECODER(MPEG4_CRYSTALHD,   mpeg4_crystalhd);
+    REGISTER_DECODER(MPEG4_V4L2M2M,     mpeg4_v4l2m2m);
     REGISTER_DECODER(MPEG4_MMAL,        mpeg4_mmal);
 #if FF_API_VDPAU
     REGISTER_DECODER(MPEG4_VDPAU,       mpeg4_vdpau);
@@ -257,14 +270,18 @@ void avcodec_register_all(void)
     REGISTER_DECODER(MPEG_VDPAU,        mpeg_vdpau);
     REGISTER_DECODER(MPEG1_VDPAU,       mpeg1_vdpau);
 #endif
+    REGISTER_DECODER(MPEG1_V4L2M2M,     mpeg1_v4l2m2m);
     REGISTER_DECODER(MPEG2_MMAL,        mpeg2_mmal);
     REGISTER_DECODER(MPEG2_CRYSTALHD,   mpeg2_crystalhd);
+    REGISTER_DECODER(MPEG2_V4L2M2M,     mpeg2_v4l2m2m);
     REGISTER_DECODER(MPEG2_QSV,         mpeg2_qsv);
+    REGISTER_DECODER(MPEG2_MEDIACODEC,  mpeg2_mediacodec);
     REGISTER_DECODER(MSA1,              msa1);
-    REGISTER_DECODER(MSMPEG4_CRYSTALHD, msmpeg4_crystalhd);
+    REGISTER_DECODER(MSCC,              mscc);
     REGISTER_DECODER(MSMPEG4V1,         msmpeg4v1);
     REGISTER_ENCDEC (MSMPEG4V2,         msmpeg4v2);
     REGISTER_ENCDEC (MSMPEG4V3,         msmpeg4v3);
+    REGISTER_DECODER(MSMPEG4_CRYSTALHD, msmpeg4_crystalhd);
     REGISTER_DECODER(MSRLE,             msrle);
     REGISTER_DECODER(MSS1,              mss1);
     REGISTER_DECODER(MSS2,              mss2);
@@ -282,12 +299,14 @@ void avcodec_register_all(void)
     REGISTER_ENCDEC (PGM,               pgm);
     REGISTER_ENCDEC (PGMYUV,            pgmyuv);
     REGISTER_DECODER(PICTOR,            pictor);
+    REGISTER_DECODER(PIXLET,            pixlet);
     REGISTER_ENCDEC (PNG,               png);
     REGISTER_ENCDEC (PPM,               ppm);
     REGISTER_ENCDEC (PRORES,            prores);
     REGISTER_ENCODER(PRORES_AW,         prores_aw);
     REGISTER_ENCODER(PRORES_KS,         prores_ks);
     REGISTER_DECODER(PRORES_LGPL,       prores_lgpl);
+    REGISTER_DECODER(PSD,               psd);
     REGISTER_DECODER(PTX,               ptx);
     REGISTER_DECODER(QDRAW,             qdraw);
     REGISTER_DECODER(QPEG,              qpeg);
@@ -305,6 +324,7 @@ void avcodec_register_all(void)
     REGISTER_DECODER(RV40,              rv40);
     REGISTER_ENCDEC (S302M,             s302m);
     REGISTER_DECODER(SANM,              sanm);
+    REGISTER_DECODER(SCPR,              scpr);
     REGISTER_DECODER(SCREENPRESSO,      screenpresso);
     REGISTER_DECODER(SDX2_DPCM,         sdx2_dpcm);
     REGISTER_ENCDEC (SGI,               sgi);
@@ -315,6 +335,8 @@ void avcodec_register_all(void)
     REGISTER_DECODER(SMVJPEG,           smvjpeg);
     REGISTER_ENCDEC (SNOW,              snow);
     REGISTER_DECODER(SP5X,              sp5x);
+    REGISTER_DECODER(SPEEDHQ,           speedhq);
+    REGISTER_DECODER(SRGC,              srgc);
     REGISTER_ENCDEC (SUNRAST,           sunrast);
     REGISTER_ENCDEC (SVQ1,              svq1);
     REGISTER_DECODER(SVQ3,              svq3);
@@ -349,6 +371,7 @@ void avcodec_register_all(void)
     REGISTER_DECODER(VC1IMAGE,          vc1image);
     REGISTER_DECODER(VC1_MMAL,          vc1_mmal);
     REGISTER_DECODER(VC1_QSV,           vc1_qsv);
+    REGISTER_DECODER(VC1_V4L2M2M,       vc1_v4l2m2m);
     REGISTER_ENCODER(VC2,               vc2);
     REGISTER_DECODER(VCR1,              vcr1);
     REGISTER_DECODER(VMDVIDEO,          vmdvideo);
@@ -360,10 +383,15 @@ void avcodec_register_all(void)
     REGISTER_DECODER(VP6F,              vp6f);
     REGISTER_DECODER(VP7,               vp7);
     REGISTER_DECODER(VP8,               vp8);
+    REGISTER_DECODER(VP8_RKMPP,         vp8_rkmpp);
+    REGISTER_DECODER(VP8_V4L2M2M,       vp8_v4l2m2m);
     REGISTER_DECODER(VP9,               vp9);
+    REGISTER_DECODER(VP9_RKMPP,         vp9_rkmpp);
+    REGISTER_DECODER(VP9_V4L2M2M,       vp9_v4l2m2m);
     REGISTER_DECODER(VQA,               vqa);
+    REGISTER_DECODER(BITPACKED,         bitpacked);
     REGISTER_DECODER(WEBP,              webp);
-    REGISTER_ENCODER(WRAPPED_AVFRAME,   wrapped_avframe);
+    REGISTER_ENCDEC (WRAPPED_AVFRAME,   wrapped_avframe);
     REGISTER_ENCDEC (WMV1,              wmv1);
     REGISTER_ENCDEC (WMV2,              wmv2);
     REGISTER_DECODER(WMV3,              wmv3);
@@ -378,6 +406,7 @@ void avcodec_register_all(void)
     REGISTER_ENCDEC (XBM,               xbm);
     REGISTER_ENCDEC (XFACE,             xface);
     REGISTER_DECODER(XL,                xl);
+    REGISTER_DECODER(XPM,               xpm);
     REGISTER_ENCDEC (XWD,               xwd);
     REGISTER_ENCDEC (Y41P,              y41p);
     REGISTER_DECODER(YLC,               ylc);
@@ -401,12 +430,15 @@ void avcodec_register_all(void)
     REGISTER_DECODER(APE,               ape);
     REGISTER_DECODER(ATRAC1,            atrac1);
     REGISTER_DECODER(ATRAC3,            atrac3);
+    REGISTER_DECODER(ATRAC3AL,          atrac3al);
     REGISTER_DECODER(ATRAC3P,           atrac3p);
+    REGISTER_DECODER(ATRAC3PAL,         atrac3pal);
     REGISTER_DECODER(BINKAUDIO_DCT,     binkaudio_dct);
     REGISTER_DECODER(BINKAUDIO_RDFT,    binkaudio_rdft);
     REGISTER_DECODER(BMV_AUDIO,         bmv_audio);
     REGISTER_DECODER(COOK,              cook);
     REGISTER_ENCDEC (DCA,               dca);
+    REGISTER_DECODER(DOLBY_E,           dolby_e);
     REGISTER_DECODER(DSD_LSBF,          dsd_lsbf);
     REGISTER_DECODER(DSD_MSBF,          dsd_msbf);
     REGISTER_DECODER(DSD_LSBF_PLANAR,   dsd_lsbf_planar);
@@ -444,10 +476,11 @@ void avcodec_register_all(void)
     REGISTER_DECODER(MPC8,              mpc8);
     REGISTER_ENCDEC (NELLYMOSER,        nellymoser);
     REGISTER_DECODER(ON2AVC,            on2avc);
-    REGISTER_DECODER(OPUS,              opus);
+    REGISTER_ENCDEC (OPUS,              opus);
     REGISTER_DECODER(PAF_AUDIO,         paf_audio);
     REGISTER_DECODER(QCELP,             qcelp);
     REGISTER_DECODER(QDM2,              qdm2);
+    REGISTER_DECODER(QDMC,              qdmc);
     REGISTER_ENCDEC (RA_144,            ra_144);
     REGISTER_DECODER(RA_288,            ra_288);
     REGISTER_DECODER(RALF,              ralf);
@@ -477,6 +510,8 @@ void avcodec_register_all(void)
     REGISTER_ENCDEC (PCM_ALAW,          pcm_alaw);
     REGISTER_DECODER(PCM_BLURAY,        pcm_bluray);
     REGISTER_DECODER(PCM_DVD,           pcm_dvd);
+    REGISTER_DECODER(PCM_F16LE,         pcm_f16le);
+    REGISTER_DECODER(PCM_F24LE,         pcm_f24le);
     REGISTER_ENCDEC (PCM_F32BE,         pcm_f32be);
     REGISTER_ENCDEC (PCM_F32LE,         pcm_f32le);
     REGISTER_ENCDEC (PCM_F64BE,         pcm_f64be);
@@ -508,6 +543,7 @@ void avcodec_register_all(void)
     REGISTER_DECODER(PCM_ZORK,          pcm_zork);
 
     /* DPCM codecs */
+    REGISTER_DECODER(GREMLIN_DPCM,      gremlin_dpcm);
     REGISTER_DECODER(INTERPLAY_DPCM,    interplay_dpcm);
     REGISTER_ENCDEC (ROQ_DPCM,          roq_dpcm);
     REGISTER_DECODER(SOL_DPCM,          sol_dpcm);
@@ -528,7 +564,7 @@ void avcodec_register_all(void)
     REGISTER_DECODER(ADPCM_EA_XAS,      adpcm_ea_xas);
     REGISTER_ENCDEC (ADPCM_G722,        adpcm_g722);
     REGISTER_ENCDEC (ADPCM_G726,        adpcm_g726);
-    REGISTER_DECODER(ADPCM_G726LE,      adpcm_g726le);
+    REGISTER_ENCDEC (ADPCM_G726LE,      adpcm_g726le);
     REGISTER_DECODER(ADPCM_IMA_AMV,     adpcm_ima_amv);
     REGISTER_DECODER(ADPCM_IMA_APC,     adpcm_ima_apc);
     REGISTER_DECODER(ADPCM_IMA_DAT4,    adpcm_ima_dat4);
@@ -606,7 +642,7 @@ void avcodec_register_all(void)
     REGISTER_DECODER(LIBOPENCORE_AMRWB, libopencore_amrwb);
     REGISTER_ENCDEC (LIBOPENJPEG,       libopenjpeg);
     REGISTER_ENCDEC (LIBOPUS,           libopus);
-    REGISTER_ENCDEC (LIBSCHROEDINGER,   libschroedinger);
+    REGISTER_DECODER(LIBRSVG,           librsvg);
     REGISTER_ENCODER(LIBSHINE,          libshine);
     REGISTER_ENCDEC (LIBSPEEX,          libspeex);
     REGISTER_ENCODER(LIBTHEORA,         libtheora);
@@ -633,12 +669,13 @@ void avcodec_register_all(void)
 
     /* external libraries, that shouldn't be used by default if one of the
      * above is available */
+    REGISTER_ENCODER(H263_V4L2M2M,      h263_v4l2m2m);
     REGISTER_ENCDEC (LIBOPENH264,       libopenh264);
-    REGISTER_DECODER(H263_CUVID,        h263_cuvid);
     REGISTER_DECODER(H264_CUVID,        h264_cuvid);
     REGISTER_ENCODER(H264_NVENC,        h264_nvenc);
     REGISTER_ENCODER(H264_OMX,          h264_omx);
     REGISTER_ENCODER(H264_QSV,          h264_qsv);
+    REGISTER_ENCODER(H264_V4L2M2M,      h264_v4l2m2m);
     REGISTER_ENCODER(H264_VAAPI,        h264_vaapi);
     REGISTER_ENCODER(H264_VIDEOTOOLBOX, h264_videotoolbox);
 #if FF_API_NVENC_OLD_NAME
@@ -650,6 +687,7 @@ void avcodec_register_all(void)
     REGISTER_DECODER(HEVC_MEDIACODEC,   hevc_mediacodec);
     REGISTER_ENCODER(HEVC_NVENC,        hevc_nvenc);
     REGISTER_ENCODER(HEVC_QSV,          hevc_qsv);
+    REGISTER_ENCODER(HEVC_V4L2M2M,      hevc_v4l2m2m);
     REGISTER_ENCODER(HEVC_VAAPI,        hevc_vaapi);
     REGISTER_ENCODER(LIBKVAZAAR,        libkvazaar);
     REGISTER_DECODER(MJPEG_CUVID,       mjpeg_cuvid);
@@ -657,13 +695,19 @@ void avcodec_register_all(void)
     REGISTER_DECODER(MPEG1_CUVID,       mpeg1_cuvid);
     REGISTER_DECODER(MPEG2_CUVID,       mpeg2_cuvid);
     REGISTER_ENCODER(MPEG2_QSV,         mpeg2_qsv);
+    REGISTER_ENCODER(MPEG2_VAAPI,       mpeg2_vaapi);
     REGISTER_DECODER(MPEG4_CUVID,       mpeg4_cuvid);
     REGISTER_DECODER(MPEG4_MEDIACODEC,  mpeg4_mediacodec);
+    REGISTER_ENCODER(MPEG4_V4L2M2M,     mpeg4_v4l2m2m);
     REGISTER_DECODER(VC1_CUVID,         vc1_cuvid);
     REGISTER_DECODER(VP8_CUVID,         vp8_cuvid);
     REGISTER_DECODER(VP8_MEDIACODEC,    vp8_mediacodec);
+    REGISTER_DECODER(VP8_QSV,           vp8_qsv);
+    REGISTER_ENCODER(VP8_V4L2M2M,       vp8_v4l2m2m);
+    REGISTER_ENCODER(VP8_VAAPI,         vp8_vaapi);
     REGISTER_DECODER(VP9_CUVID,         vp9_cuvid);
     REGISTER_DECODER(VP9_MEDIACODEC,    vp9_mediacodec);
+    REGISTER_ENCODER(VP9_VAAPI,         vp9_vaapi);
 
     /* parsers */
     REGISTER_PARSER(AAC,                aac);
@@ -698,10 +742,19 @@ void avcodec_register_all(void)
     REGISTER_PARSER(PNM,                pnm);
     REGISTER_PARSER(RV30,               rv30);
     REGISTER_PARSER(RV40,               rv40);
+    REGISTER_PARSER(SIPR,               sipr);
     REGISTER_PARSER(TAK,                tak);
     REGISTER_PARSER(VC1,                vc1);
     REGISTER_PARSER(VORBIS,             vorbis);
     REGISTER_PARSER(VP3,                vp3);
     REGISTER_PARSER(VP8,                vp8);
     REGISTER_PARSER(VP9,                vp9);
+    REGISTER_PARSER(XMA,                xma);
+}
+
+void avcodec_register_all(void)
+{
+    static AVOnce control = AV_ONCE_INIT;
+
+    ff_thread_once(&control, register_all);
 }
diff --git a/media/ffvpx/libavcodec/avcodec.h b/media/ffvpx/libavcodec/avcodec.h
index e5e7f4225..18c3e3ea1 100644
--- a/media/ffvpx/libavcodec/avcodec.h
+++ b/media/ffvpx/libavcodec/avcodec.h
@@ -89,7 +89,7 @@
  * - Send valid input:
  *   - For decoding, call avcodec_send_packet() to give the decoder raw
  *     compressed data in an AVPacket.
- *   - For encoding, call avcodec_send_frame() to give the decoder an AVFrame
+ *   - For encoding, call avcodec_send_frame() to give the encoder an AVFrame
  *     containing uncompressed audio or video.
  *   In both cases, it is recommended that AVPackets and AVFrames are
  *   refcounted, or libavcodec might have to copy the input data. (libavformat
@@ -112,6 +112,12 @@
  * are filled. This situation is handled transparently if you follow the steps
  * outlined above.
  *
+ * In theory, sending input can result in EAGAIN - this should happen only if
+ * not all output was received. You can use this to structure alternative decode
+ * or encode loops other than the one suggested above. For example, you could
+ * try sending new input on each iteration, and try to receive output if that
+ * returns EAGAIN.
+ *
  * End of stream situations. These require "flushing" (aka draining) the codec,
  * as the codec might buffer multiple frames or packets internally for
  * performance or out of necessity (consider B-frames).
@@ -136,8 +142,9 @@
  *
  * Not all codecs will follow a rigid and predictable dataflow; the only
  * guarantee is that an AVERROR(EAGAIN) return value on a send/receive call on
- * one end implies that a receive/send call on the other end will succeed. In
- * general, no codec will permit unlimited buffering of input or output.
+ * one end implies that a receive/send call on the other end will succeed, or
+ * at least will not fail with AVERROR(EAGAIN). In general, no codec will
+ * permit unlimited buffering of input or output.
  *
  * This API replaces the following legacy functions:
  * - avcodec_decode_video2() and avcodec_decode_audio4():
@@ -146,7 +153,8 @@
  *   Unlike with the old video decoding API, multiple frames might result from
  *   a packet. For audio, splitting the input packet into frames by partially
  *   decoding packets becomes transparent to the API user. You never need to
- *   feed an AVPacket to the API twice.
+ *   feed an AVPacket to the API twice (unless it is rejected with AVERROR(EAGAIN) - then
+ *   no data was read from the packet).
  *   Additionally, sending a flush/draining packet is required only once.
  * - avcodec_encode_video2()/avcodec_encode_audio2():
  *   Use avcodec_send_frame() to feed input to the encoder, then use
@@ -159,7 +167,22 @@
  * and will result in undefined behavior.
  *
  * Some codecs might require using the new API; using the old API will return
- * an error when calling it.
+ * an error when calling it. All codecs support the new API.
+ *
+ * A codec is not allowed to return AVERROR(EAGAIN) for both sending and receiving. This
+ * would be an invalid state, which could put the codec user into an endless
+ * loop. The API has no concept of time either: it cannot happen that trying to
+ * do avcodec_send_packet() results in AVERROR(EAGAIN), but a repeated call 1 second
+ * later accepts the packet (with no other receive/flush API calls involved).
+ * The API is a strict state machine, and the passage of time is not supposed
+ * to influence it. Some timing-dependent behavior might still be deemed
+ * acceptable in certain cases. But it must never result in both send/receive
+ * returning EAGAIN at the same time at any point. It must also absolutely be
+ * avoided that the current state is "unstable" and can "flip-flop" between
+ * the send/receive APIs allowing progress. For example, it's not allowed that
+ * the codec randomly decides that it actually wants to consume a packet now
+ * instead of returning a frame, after it just returned AVERROR(EAGAIN) on an
+ * avcodec_send_packet() call.
  * @}
  */
 
@@ -411,6 +434,20 @@ enum AVCodecID {
     AV_CODEC_ID_MAGICYUV,
     AV_CODEC_ID_SHEERVIDEO,
     AV_CODEC_ID_YLC,
+    AV_CODEC_ID_PSD,
+    AV_CODEC_ID_PIXLET,
+    AV_CODEC_ID_SPEEDHQ,
+    AV_CODEC_ID_FMVC,
+    AV_CODEC_ID_SCPR,
+    AV_CODEC_ID_CLEARVIDEO,
+    AV_CODEC_ID_XPM,
+    AV_CODEC_ID_AV1,
+    AV_CODEC_ID_BITPACKED,
+    AV_CODEC_ID_MSCC,
+    AV_CODEC_ID_SRGC,
+    AV_CODEC_ID_SVG,
+    AV_CODEC_ID_GDV,
+    AV_CODEC_ID_FITS,
 
     /* various PCM "codecs" */
     AV_CODEC_ID_FIRST_AUDIO = 0x10000,     ///< A dummy id pointing at the start of audio codecs
@@ -448,6 +485,8 @@ enum AVCodecID {
 
     AV_CODEC_ID_PCM_S64LE = 0x10800,
     AV_CODEC_ID_PCM_S64BE,
+    AV_CODEC_ID_PCM_F16LE,
+    AV_CODEC_ID_PCM_F24LE,
 
     /* various ADPCM codecs */
     AV_CODEC_ID_ADPCM_IMA_QT = 0x11000,
@@ -511,6 +550,7 @@ enum AVCodecID {
     AV_CODEC_ID_SOL_DPCM,
 
     AV_CODEC_ID_SDX2_DPCM = 0x14800,
+    AV_CODEC_ID_GREMLIN_DPCM,
 
     /* audio codecs */
     AV_CODEC_ID_MP2 = 0x15000,
@@ -598,6 +638,9 @@ enum AVCodecID {
     AV_CODEC_ID_XMA1,
     AV_CODEC_ID_XMA2,
     AV_CODEC_ID_DST,
+    AV_CODEC_ID_ATRAC3AL,
+    AV_CODEC_ID_ATRAC3PAL,
+    AV_CODEC_ID_DOLBY_E,
 
     /* subtitle codecs */
     AV_CODEC_ID_FIRST_SUBTITLE = 0x17000,          ///< A dummy ID pointing at the start of subtitle codecs.
@@ -689,7 +732,7 @@ typedef struct AVCodecDescriptor {
 
 /**
  * Codec uses only intra compression.
- * Video codecs only.
+ * Video and audio codecs only.
  */
 #define AV_CODEC_PROP_INTRA_ONLY    (1 << 0)
 /**
@@ -1360,6 +1403,11 @@ typedef struct AVCPBProperties {
  * @{
  */
 enum AVPacketSideDataType {
+    /**
+     * An AV_PKT_DATA_PALETTE side data packet contains exactly AVPALETTE_SIZE
+     * bytes worth of palette. This side data signals that a new palette is
+     * present.
+     */
     AV_PKT_DATA_PALETTE,
 
     /**
@@ -1533,10 +1581,40 @@ enum AVPacketSideDataType {
 
     /**
      * Mastering display metadata (based on SMPTE-2086:2014). This metadata
-     * should be associated with a video stream and containts data in the form
+     * should be associated with a video stream and contains data in the form
      * of the AVMasteringDisplayMetadata struct.
      */
-    AV_PKT_DATA_MASTERING_DISPLAY_METADATA
+    AV_PKT_DATA_MASTERING_DISPLAY_METADATA,
+
+    /**
+     * This side data should be associated with a video stream and corresponds
+     * to the AVSphericalMapping structure.
+     */
+    AV_PKT_DATA_SPHERICAL,
+
+    /**
+     * Content light level (based on CTA-861.3). This metadata should be
+     * associated with a video stream and contains data in the form of the
+     * AVContentLightMetadata struct.
+     */
+    AV_PKT_DATA_CONTENT_LIGHT_LEVEL,
+
+    /**
+     * ATSC A53 Part 4 Closed Captions. This metadata should be associated with
+     * a video stream. A53 CC bitstream is stored as uint8_t in AVPacketSideData.data.
+     * The number of bytes of CC data is AVPacketSideData.size.
+     */
+    AV_PKT_DATA_A53_CC,
+
+    /**
+     * The number of side data elements (in fact a bit more than it).
+     * This is not part of the public API/ABI in the sense that it may
+     * change when new side data types are added.
+     * This must stay the last enum value.
+     * If its value becomes huge, some code using it
+     * needs to be updated as it assumes it to be smaller than other limits.
+     */
+    AV_PKT_DATA_NB
 };
 
 #define AV_PKT_DATA_QUALITY_FACTOR AV_PKT_DATA_QUALITY_STATS //DEPRECATED
@@ -1638,6 +1716,13 @@ typedef struct AVPacket {
  * after decoding.
  **/
 #define AV_PKT_FLAG_DISCARD   0x0004
+/**
+ * The packet comes from a trusted source.
+ *
+ * Otherwise-unsafe constructs such as arbitrary pointers to data
+ * outside the packet may be followed.
+ */
+#define AV_PKT_FLAG_TRUSTED   0x0008
 
 enum AVSideDataParamChangeFlags {
     AV_SIDE_DATA_PARAM_CHANGE_CHANNEL_COUNT  = 0x0001,
@@ -1665,7 +1750,7 @@ enum AVFieldOrder {
  * New fields can be added to the end with minor version bumps.
  * Removal, reordering and changes to existing fields require a major
  * version bump.
- * Please use AVOptions (av_opt* / av_set/get*()) to access these fields from user
+ * You can use AVOptions (av_opt* / av_set/get*()) to access these fields from user
  * applications.
  * The name string for AVOptions options matches the associated command line
  * parameter name and can be found in libavcodec/options_table.h
@@ -2605,6 +2690,7 @@ typedef struct AVCodecContext {
      * - encoding: unused
      * - decoding: set by the caller before avcodec_open2().
      */
+    attribute_deprecated
     int refcounted_frames;
 
     /* - encoding parameters */
@@ -2936,8 +3022,8 @@ typedef struct AVCodecContext {
 #define FF_DEBUG_MMCO        0x00000800
 #define FF_DEBUG_BUGS        0x00001000
 #if FF_API_DEBUG_MV
-#define FF_DEBUG_VIS_QP      0x00002000 ///< only access through AVOptions from outside libavcodec
-#define FF_DEBUG_VIS_MB_TYPE 0x00004000 ///< only access through AVOptions from outside libavcodec
+#define FF_DEBUG_VIS_QP      0x00002000
+#define FF_DEBUG_VIS_MB_TYPE 0x00004000
 #endif
 #define FF_DEBUG_BUFFERS     0x00008000
 #define FF_DEBUG_THREADS     0x00010000
@@ -2947,7 +3033,6 @@ typedef struct AVCodecContext {
 #if FF_API_DEBUG_MV
     /**
      * debug
-     * Code outside libavcodec should access this field using AVOptions
      * - encoding: Set by user.
      * - decoding: Set by user.
      */
@@ -3061,6 +3146,7 @@ typedef struct AVCodecContext {
 #if FF_API_ARCH_ALPHA
 #define FF_IDCT_SIMPLEALPHA   23
 #endif
+#define FF_IDCT_NONE          24 /* Used by XvMC to extract IDCT coefficients with FF_IDCT_PERM_NONE */
 #define FF_IDCT_SIMPLEAUTO    128
 
     /**
@@ -3082,8 +3168,6 @@ typedef struct AVCodecContext {
      * low resolution decoding, 1-> 1/2 size, 2->1/4 size
      * - encoding: unused
      * - decoding: Set by user.
-     * Code outside libavcodec should access this field using:
-     * av_codec_{get,set}_lowres(avctx)
      */
      int lowres;
 #endif
@@ -3384,8 +3468,6 @@ typedef struct AVCodecContext {
 
     /**
      * Timebase in which pkt_dts/pts and AVPacket.dts/pts are.
-     * Code outside libavcodec should access this field using:
-     * av_codec_{get,set}_pkt_timebase(avctx)
      * - encoding unused.
      * - decoding set by user.
      */
@@ -3393,8 +3475,6 @@ typedef struct AVCodecContext {
 
     /**
      * AVCodecDescriptor
-     * Code outside libavcodec should access this field using:
-     * av_codec_{get,set}_codec_descriptor(avctx)
      * - encoding: unused.
      * - decoding: set by libavcodec.
      */
@@ -3405,8 +3485,6 @@ typedef struct AVCodecContext {
      * low resolution decoding, 1-> 1/2 size, 2->1/4 size
      * - encoding: unused
      * - decoding: Set by user.
-     * Code outside libavcodec should access this field using:
-     * av_codec_{get,set}_lowres(avctx)
      */
      int lowres;
 #endif
@@ -3447,7 +3525,6 @@ typedef struct AVCodecContext {
      * However for formats that do not use pre-multiplied alpha
      * there might be serious artefacts (though e.g. libswscale currently
      * assumes pre-multiplied alpha anyway).
-     * Code outside libavcodec should access this field using AVOptions
      *
      * - decoding: set by user
      * - encoding: unused
@@ -3464,7 +3541,6 @@ typedef struct AVCodecContext {
 #if !FF_API_DEBUG_MV
     /**
      * debug motion vectors
-     * Code outside libavcodec should access this field using AVOptions
      * - encoding: Set by user.
      * - decoding: Set by user.
      */
@@ -3476,7 +3552,6 @@ typedef struct AVCodecContext {
 
     /**
      * custom intra quantization matrix
-     * Code outside libavcodec should access this field using av_codec_g/set_chroma_intra_matrix()
      * - encoding: Set by user, can be NULL.
      * - decoding: unused.
      */
@@ -3485,8 +3560,6 @@ typedef struct AVCodecContext {
     /**
      * dump format separator.
      * can be ", " or "\n      " or anything else
-     * Code outside libavcodec should access this field using AVOptions
-     * (NO direct access).
      * - encoding: Set by user.
      * - decoding: Set by user.
      */
@@ -3496,13 +3569,12 @@ typedef struct AVCodecContext {
      * ',' separated list of allowed decoders.
      * If NULL then all are allowed
      * - encoding: unused
-     * - decoding: set by user through AVOPtions (NO direct access)
+     * - decoding: set by user
      */
     char *codec_whitelist;
 
-    /*
+    /**
      * Properties of the stream that gets decoded
-     * To be accessed through av_codec_get_properties() (NO direct access)
      * - encoding: unused
      * - decoding: set by libavcodec
      */
@@ -3522,7 +3594,8 @@ typedef struct AVCodecContext {
     /**
      * A reference to the AVHWFramesContext describing the input (for encoding)
      * or output (decoding) frames. The reference is set by the caller and
-     * afterwards owned (and freed) by libavcodec.
+     * afterwards owned (and freed) by libavcodec - it should never be read by
+     * the caller after being set.
      *
      * - decoding: This field should be set by the caller from the get_format()
      *             callback. The previous reference (if any) will always be
@@ -3564,6 +3637,71 @@ typedef struct AVCodecContext {
      */
     int trailing_padding;
 
+    /**
+     * The number of pixels per image to maximally accept.
+     *
+     * - decoding: set by user
+     * - encoding: set by user
+     */
+    int64_t max_pixels;
+
+    /**
+     * A reference to the AVHWDeviceContext describing the device which will
+     * be used by a hardware encoder/decoder.  The reference is set by the
+     * caller and afterwards owned (and freed) by libavcodec.
+     *
+     * This should be used if either the codec device does not require
+     * hardware frames or any that are used are to be allocated internally by
+     * libavcodec.  If the user wishes to supply any of the frames used as
+     * encoder input or decoder output then hw_frames_ctx should be used
+     * instead.  When hw_frames_ctx is set in get_format() for a decoder, this
+     * field will be ignored while decoding the associated stream segment, but
+     * may again be used on a following one after another get_format() call.
+     *
+     * For both encoders and decoders this field should be set before
+     * avcodec_open2() is called and must not be written to thereafter.
+     *
+     * Note that some decoders may require this field to be set initially in
+     * order to support hw_frames_ctx at all - in that case, all frames
+     * contexts used must be created on the same device.
+     */
+    AVBufferRef *hw_device_ctx;
+
+    /**
+     * Bit set of AV_HWACCEL_FLAG_* flags, which affect hardware accelerated
+     * decoding (if active).
+     * - encoding: unused
+     * - decoding: Set by user (either before avcodec_open2(), or in the
+     *             AVCodecContext.get_format callback)
+     */
+    int hwaccel_flags;
+
+    /**
+     * Video decoding only. Certain video codecs support cropping, meaning that
+     * only a sub-rectangle of the decoded frame is intended for display.  This
+     * option controls how cropping is handled by libavcodec.
+     *
+     * When set to 1 (the default), libavcodec will apply cropping internally.
+     * I.e. it will modify the output frame width/height fields and offset the
+     * data pointers (only by as much as possible while preserving alignment, or
+     * by the full amount if the AV_CODEC_FLAG_UNALIGNED flag is set) so that
+     * the frames output by the decoder refer only to the cropped area. The
+     * crop_* fields of the output frames will be zero.
+     *
+     * When set to 0, the width/height fields of the output frames will be set
+     * to the coded dimensions and the crop_* fields will describe the cropping
+     * rectangle. Applying the cropping is left to the caller.
+     *
+     * @warning When hardware acceleration with opaque output frames is used,
+     * libavcodec is unable to apply cropping from the top/left border.
+     *
+     * @note when this option is set to zero, the width/height fields of the
+     * AVCodecContext and output AVFrames have different meanings. The codec
+     * context fields store display dimensions (with the coded dimensions in
+     * coded_width/height), while the frame fields store the coded dimensions
+     * (with the display dimensions being determined by the crop_* fields).
+     */
+    int apply_cropping;
 } AVCodecContext;
 
 AVRational av_codec_get_pkt_timebase         (const AVCodecContext *avctx);
@@ -3623,7 +3761,7 @@ typedef struct AVCodec {
     const int *supported_samplerates;       ///< array of supported audio samplerates, or NULL if unknown, array is terminated by 0
     const enum AVSampleFormat *sample_fmts; ///< array of supported sample formats, or NULL if unknown, array is terminated by -1
     const uint64_t *channel_layouts;         ///< array of support channel layouts, or NULL if unknown. array is terminated by 0
-    uint8_t max_lowres;                     ///< maximum value for lowres supported by the decoder, no direct access, use av_codec_get_max_lowres()
+    uint8_t max_lowres;                     ///< maximum value for lowres supported by the decoder
     const AVClass *priv_class;              ///< AVClass for the private context
     const AVProfile *profiles;              ///< array of recognized profiles, or NULL if unknown, array is terminated by {FF_PROFILE_UNKNOWN}
 
@@ -3684,20 +3822,22 @@ typedef struct AVCodec {
     int (*decode)(AVCodecContext *, void *outdata, int *outdata_size, AVPacket *avpkt);
     int (*close)(AVCodecContext *);
     /**
-     * Decode/encode API with decoupled packet/frame dataflow. The API is the
+     * Encode API with decoupled packet/frame dataflow. The API is the
      * same as the avcodec_ prefixed APIs (avcodec_send_frame() etc.), except
      * that:
      * - never called if the codec is closed or the wrong type,
-     * - AVPacket parameter change side data is applied right before calling
-     *   AVCodec->send_packet,
-     * - if AV_CODEC_CAP_DELAY is not set, drain packets or frames are never sent,
-     * - only one drain packet is ever passed down (until the next flush()),
-     * - a drain AVPacket is always NULL (no need to check for avpkt->size).
+     * - if AV_CODEC_CAP_DELAY is not set, drain frames are never sent,
+     * - only one drain frame is ever passed down,
      */
     int (*send_frame)(AVCodecContext *avctx, const AVFrame *frame);
-    int (*send_packet)(AVCodecContext *avctx, const AVPacket *avpkt);
-    int (*receive_frame)(AVCodecContext *avctx, AVFrame *frame);
     int (*receive_packet)(AVCodecContext *avctx, AVPacket *avpkt);
+
+    /**
+     * Decode API with decoupled packet/frame dataflow. This function is called
+     * to get one output frame. It should call ff_decode_get_packet() to obtain
+     * input data.
+     */
+    int (*receive_frame)(AVCodecContext *avctx, AVFrame *frame);
     /**
      * Flush buffers.
      * Will be called when seeking
@@ -3708,6 +3848,12 @@ typedef struct AVCodec {
      * See FF_CODEC_CAP_* in internal.h
      */
     int caps_internal;
+
+    /**
+     * Decoding only, a comma-separated list of bitstream filters to apply to
+     * packets before decoding.
+     */
+    const char *bsfs;
 } AVCodec;
 
 int av_codec_get_max_lowres(const AVCodec *codec);
@@ -3749,7 +3895,7 @@ typedef struct AVHWAccel {
 
     /**
      * Hardware accelerated codec capabilities.
-     * see HWACCEL_CODEC_CAP_*
+     * see AV_HWACCEL_CODEC_CAP_*
      */
     int capabilities;
 
@@ -3820,7 +3966,7 @@ typedef struct AVHWAccel {
     /**
      * Called for every Macroblock in a slice.
      *
-     * XvMC uses it to replace the ff_mpv_decode_mb().
+     * XvMC uses it to replace the ff_mpv_reconstruct_mb().
      * Instead of decoding to raw picture, MB parameters are
      * stored in an array provided by the video driver.
      *
@@ -3850,9 +3996,20 @@ typedef struct AVHWAccel {
      * AVCodecInternal.hwaccel_priv_data.
      */
     int priv_data_size;
+
+    /**
+     * Internal hwaccel capabilities.
+     */
+    int caps_internal;
 } AVHWAccel;
 
 /**
+ * HWAccel is experimental and is thus avoided in favor of non experimental
+ * codecs
+ */
+#define AV_HWACCEL_CODEC_CAP_EXPERIMENTAL 0x0200
+
+/**
  * Hardware acceleration should be used for decoding even if the codec level
  * used is unknown or higher than the maximum supported level reported by the
  * hardware driver.
@@ -3869,6 +4026,20 @@ typedef struct AVHWAccel {
 #define AV_HWACCEL_FLAG_ALLOW_HIGH_DEPTH (1 << 1)
 
 /**
+ * Hardware acceleration should still be attempted for decoding when the
+ * codec profile does not match the reported capabilities of the hardware.
+ *
+ * For example, this can be used to try to decode baseline profile H.264
+ * streams in hardware - it will often succeed, because many streams marked
+ * as baseline profile actually conform to constrained baseline profile.
+ *
+ * @warning If the stream is actually not supported then the behaviour is
+ *          undefined, and may include returning entirely incorrect output
+ *          while indicating success.
+ */
+#define AV_HWACCEL_FLAG_ALLOW_PROFILE_MISMATCH (1 << 2)
+
+/**
  * @}
  */
 
@@ -4377,13 +4548,13 @@ AVPacket *av_packet_alloc(void);
  * @see av_packet_alloc
  * @see av_packet_ref
  */
-AVPacket *av_packet_clone(AVPacket *src);
+AVPacket *av_packet_clone(const AVPacket *src);
 
 /**
  * Free the packet, if the packet is reference counted, it will be
  * unreferenced first.
  *
- * @param packet packet to be freed. The pointer will be set to NULL.
+ * @param pkt packet to be freed. The pointer will be set to NULL.
  * @note passing NULL is a no-op.
  */
 void av_packet_free(AVPacket **pkt);
@@ -4452,14 +4623,20 @@ int av_dup_packet(AVPacket *pkt);
  * Copy packet, including contents
  *
  * @return 0 on success, negative AVERROR on fail
+ *
+ * @deprecated Use av_packet_ref
  */
+attribute_deprecated
 int av_copy_packet(AVPacket *dst, const AVPacket *src);
 
 /**
  * Copy packet side data
  *
  * @return 0 on success, negative AVERROR on fail
+ *
+ * @deprecated Use av_packet_copy_props
  */
+attribute_deprecated
 int av_copy_packet_side_data(AVPacket *dst, const AVPacket *src);
 
 /**
@@ -4518,12 +4695,16 @@ int av_packet_shrink_side_data(AVPacket *pkt, enum AVPacketSideDataType type,
  * @param size pointer for side information size to store (optional)
  * @return pointer to data if present or NULL otherwise
  */
-uint8_t* av_packet_get_side_data(AVPacket *pkt, enum AVPacketSideDataType type,
+uint8_t* av_packet_get_side_data(const AVPacket *pkt, enum AVPacketSideDataType type,
                                  int *size);
 
+#if FF_API_MERGE_SD_API
+attribute_deprecated
 int av_packet_merge_side_data(AVPacket *pkt);
 
+attribute_deprecated
 int av_packet_split_side_data(AVPacket *pkt);
+#endif
 
 const char *av_packet_side_data_name(enum AVPacketSideDataType type);
 
@@ -4823,13 +5004,13 @@ int avcodec_decode_video2(AVCodecContext *avctx, AVFrame *picture,
  * and reusing a get_buffer written for video codecs would probably perform badly
  * due to a potentially very different allocation pattern.
  *
- * Some decoders (those marked with CODEC_CAP_DELAY) have a delay between input
+ * Some decoders (those marked with AV_CODEC_CAP_DELAY) have a delay between input
  * and output. This means that for some packets they will not immediately
  * produce decoded output and need to be flushed at the end of decoding to get
  * all the decoded data. Flushing is done by calling this function with packets
  * with avpkt->data set to NULL and avpkt->size set to 0 until it stops
  * returning subtitles. It is safe to flush even those decoders that are not
- * marked with CODEC_CAP_DELAY, then no subtitles will be returned.
+ * marked with AV_CODEC_CAP_DELAY, then no subtitles will be returned.
  *
  * @note The AVCodecContext MUST have been opened with @ref avcodec_open2()
  * before packets may be fed to the decoder.
@@ -4883,8 +5064,10 @@ int avcodec_decode_subtitle2(AVCodecContext *avctx, AVSubtitle *sub,
  *                  a flush packet.
  *
  * @return 0 on success, otherwise negative error code:
- *      AVERROR(EAGAIN):   input is not accepted right now - the packet must be
- *                         resent after trying to read output
+ *      AVERROR(EAGAIN):   input is not accepted in the current state - user
+ *                         must read output with avcodec_receive_frame() (once
+ *                         all output is read, the packet should be resent, and
+ *                         the call will not fail with EAGAIN).
  *      AVERROR_EOF:       the decoder has been flushed, and no new packets can
  *                         be sent to it (also returned if more than 1 flush
  *                         packet is sent)
@@ -4905,7 +5088,7 @@ int avcodec_send_packet(AVCodecContext *avctx, const AVPacket *avpkt);
  *
  * @return
  *      0:                 success, a frame was returned
- *      AVERROR(EAGAIN):   output is not available right now - user must try
+ *      AVERROR(EAGAIN):   output is not available in this state - user must try
  *                         to send new input
  *      AVERROR_EOF:       the decoder has been fully flushed, and there will be
  *                         no more output frames
@@ -4938,8 +5121,10 @@ int avcodec_receive_frame(AVCodecContext *avctx, AVFrame *frame);
  *                  avctx->frame_size for all frames except the last.
  *                  The final frame may be smaller than avctx->frame_size.
  * @return 0 on success, otherwise negative error code:
- *      AVERROR(EAGAIN):   input is not accepted right now - the frame must be
- *                         resent after trying to read output packets
+ *      AVERROR(EAGAIN):   input is not accepted in the current state - user
+ *                         must read output with avcodec_receive_packet() (once
+ *                         all output is read, the packet should be resent, and
+ *                         the call will not fail with EAGAIN).
  *      AVERROR_EOF:       the encoder has been flushed, and no new frames can
  *                         be sent to it
  *      AVERROR(EINVAL):   codec not opened, refcounted_frames not set, it is a
@@ -4957,8 +5142,8 @@ int avcodec_send_frame(AVCodecContext *avctx, const AVFrame *frame);
  *              encoder. Note that the function will always call
  *              av_frame_unref(frame) before doing anything else.
  * @return 0 on success, otherwise negative error code:
- *      AVERROR(EAGAIN):   output is not available right now - user must try
- *                         to send input
+ *      AVERROR(EAGAIN):   output is not available in the current state - user
+ *                         must try to send input
  *      AVERROR_EOF:       the encoder has been fully flushed, and there will be
  *                         no more output packets
  *      AVERROR(EINVAL):   codec not opened, or it is an encoder
@@ -5509,22 +5694,14 @@ int av_picture_pad(AVPicture *dst, const AVPicture *src, int height, int width,
  * @{
  */
 
+#if FF_API_GETCHROMA
 /**
- * Utility function to access log2_chroma_w log2_chroma_h from
- * the pixel format AVPixFmtDescriptor.
- *
- * This function asserts that pix_fmt is valid. See av_pix_fmt_get_chroma_sub_sample
- * for one that returns a failure code and continues in case of invalid
- * pix_fmts.
- *
- * @param[in]  pix_fmt the pixel format
- * @param[out] h_shift store log2_chroma_w
- * @param[out] v_shift store log2_chroma_h
- *
- * @see av_pix_fmt_get_chroma_sub_sample
+ * @deprecated Use av_pix_fmt_get_chroma_sub_sample
  */
 
+attribute_deprecated
 void avcodec_get_chroma_sub_sample(enum AVPixelFormat pix_fmt, int *h_shift, int *v_shift);
+#endif
 
 /**
  * Return a value representing the fourCC code associated to the
@@ -5584,6 +5761,7 @@ attribute_deprecated
 void avcodec_set_dimensions(AVCodecContext *s, int width, int height);
 #endif
 
+#if FF_API_TAG_STRING
 /**
  * Put a string representing the codec tag codec_tag in buf.
  *
@@ -5592,8 +5770,12 @@ void avcodec_set_dimensions(AVCodecContext *s, int width, int height);
  * @param codec_tag codec tag to assign
  * @return the length of the string that would have been generated if
  * enough space had been available, excluding the trailing null
+ *
+ * @deprecated see av_fourcc_make_string() and av_fourcc2str().
  */
+attribute_deprecated
 size_t av_get_codec_tag_string(char *buf, size_t buf_size, unsigned int codec_tag);
+#endif
 
 void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode);
 
@@ -5706,7 +5888,7 @@ int av_get_audio_frame_duration2(AVCodecParameters *par, int frame_bytes);
 #if FF_API_OLD_BSF
 typedef struct AVBitStreamFilterContext {
     void *priv_data;
-    struct AVBitStreamFilter *filter;
+    const struct AVBitStreamFilter *filter;
     AVCodecParserContext *parser;
     struct AVBitStreamFilterContext *next;
     /**
@@ -5753,12 +5935,15 @@ typedef struct AVBSFContext {
     void *priv_data;
 
     /**
-     * Parameters of the input stream. Set by the caller before av_bsf_init().
+     * Parameters of the input stream. This field is allocated in
+     * av_bsf_alloc(), it needs to be filled by the caller before
+     * av_bsf_init().
      */
     AVCodecParameters *par_in;
 
     /**
-     * Parameters of the output stream. Set by the filter in av_bsf_init().
+     * Parameters of the output stream. This field is allocated in
+     * av_bsf_alloc(), it is set by the filter in av_bsf_init().
      */
     AVCodecParameters *par_out;
 
@@ -5936,8 +6121,7 @@ int av_bsf_init(AVBSFContext *ctx);
  * av_bsf_receive_packet() repeatedly until it returns AVERROR(EAGAIN) or
  * AVERROR_EOF.
  *
- * @param pkt the packet to filter. pkt must contain some payload (i.e data or
- * side data must be present in pkt). The bitstream filter will take ownership of
+ * @param pkt the packet to filter. The bitstream filter will take ownership of
  * the packet and reset the contents of pkt. pkt is not touched if an error occurs.
  * This parameter may be NULL, which signals the end of the stream (i.e. no more
  * packets will be sent). That will cause the filter to output any packets it
diff --git a/media/ffvpx/libavcodec/avdct.h b/media/ffvpx/libavcodec/avdct.h
deleted file mode 100644
index 272422e44..000000000
--- a/media/ffvpx/libavcodec/avdct.h
+++ /dev/null
@@ -1,84 +0,0 @@
-/*
- * This file is part of FFmpeg.
- *
- * FFmpeg is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * FFmpeg is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#ifndef AVCODEC_AVDCT_H
-#define AVCODEC_AVDCT_H
-
-#include "libavutil/opt.h"
-
-/**
- * AVDCT context.
- * @note function pointers can be NULL if the specific features have been
- *       disabled at build time.
- */
-typedef struct AVDCT {
-    const AVClass *av_class;
-
-    void (*idct)(int16_t *block /* align 16 */);
-
-    /**
-     * IDCT input permutation.
-     * Several optimized IDCTs need a permutated input (relative to the
-     * normal order of the reference IDCT).
-     * This permutation must be performed before the idct_put/add.
-     * Note, normally this can be merged with the zigzag/alternate scan<br>
-     * An example to avoid confusion:
-     * - (->decode coeffs -> zigzag reorder -> dequant -> reference IDCT -> ...)
-     * - (x -> reference DCT -> reference IDCT -> x)
-     * - (x -> reference DCT -> simple_mmx_perm = idct_permutation
-     *    -> simple_idct_mmx -> x)
-     * - (-> decode coeffs -> zigzag reorder -> simple_mmx_perm -> dequant
-     *    -> simple_idct_mmx -> ...)
-     */
-    uint8_t idct_permutation[64];
-
-    void (*fdct)(int16_t *block /* align 16 */);
-
-
-    /**
-     * DCT algorithm.
-     * must use AVOptions to set this field.
-     */
-    int dct_algo;
-
-    /**
-     * IDCT algorithm.
-     * must use AVOptions to set this field.
-     */
-    int idct_algo;
-
-    void (*get_pixels)(int16_t *block /* align 16 */,
-                       const uint8_t *pixels /* align 8 */,
-                       ptrdiff_t line_size);
-
-    int bits_per_sample;
-} AVDCT;
-
-/**
- * Allocates a AVDCT context.
- * This needs to be initialized with avcodec_dct_init() after optionally
- * configuring it with AVOptions.
- *
- * To free it use av_free()
- */
-AVDCT *avcodec_dct_alloc(void);
-int avcodec_dct_init(AVDCT *);
-
-const AVClass *avcodec_dct_get_class(void);
-
-#endif /* AVCODEC_AVDCT_H */
diff --git a/media/ffvpx/libavcodec/avpacket.c b/media/ffvpx/libavcodec/avpacket.c
index e5a8bdbe4..d1f4ea9eb 100644
--- a/media/ffvpx/libavcodec/avpacket.c
+++ b/media/ffvpx/libavcodec/avpacket.c
@@ -247,8 +247,6 @@ failed_alloc:
     av_packet_unref(pkt);
     return AVERROR(ENOMEM);
 }
-FF_ENABLE_DEPRECATION_WARNINGS
-#endif
 
 int av_dup_packet(AVPacket *pkt)
 {
@@ -266,6 +264,8 @@ int av_copy_packet(AVPacket *dst, const AVPacket *src)
     *dst = *src;
     return copy_packet_data(dst, src, 0);
 }
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
 
 void av_packet_free_side_data(AVPacket *pkt)
 {
@@ -296,9 +296,20 @@ int av_packet_add_side_data(AVPacket *pkt, enum AVPacketSideDataType type,
                             uint8_t *data, size_t size)
 {
     AVPacketSideData *tmp;
-    int elems = pkt->side_data_elems;
+    int i, elems = pkt->side_data_elems;
+
+    for (i = 0; i < elems; i++) {
+        AVPacketSideData *sd = &pkt->side_data[i];
+
+        if (sd->type == type) {
+            av_free(sd->data);
+            sd->data = data;
+            sd->size = size;
+            return 0;
+        }
+    }
 
-    if ((unsigned)elems + 1 > INT_MAX / sizeof(*pkt->side_data))
+    if ((unsigned)elems + 1 > AV_PKT_DATA_NB)
         return AVERROR(ERANGE);
 
     tmp = av_realloc(pkt->side_data, (elems + 1) * sizeof(*tmp));
@@ -336,7 +347,7 @@ uint8_t *av_packet_new_side_data(AVPacket *pkt, enum AVPacketSideDataType type,
     return data;
 }
 
-uint8_t *av_packet_get_side_data(AVPacket *pkt, enum AVPacketSideDataType type,
+uint8_t *av_packet_get_side_data(const AVPacket *pkt, enum AVPacketSideDataType type,
                                  int *size)
 {
     int i;
@@ -348,6 +359,8 @@ uint8_t *av_packet_get_side_data(AVPacket *pkt, enum AVPacketSideDataType type,
             return pkt->side_data[i].data;
         }
     }
+    if (size)
+        *size = 0;
     return NULL;
 }
 
@@ -372,10 +385,15 @@ const char *av_packet_side_data_name(enum AVPacketSideDataType type)
     case AV_PKT_DATA_METADATA_UPDATE:            return "Metadata Update";
     case AV_PKT_DATA_MPEGTS_STREAM_ID:           return "MPEGTS Stream ID";
     case AV_PKT_DATA_MASTERING_DISPLAY_METADATA: return "Mastering display metadata";
+    case AV_PKT_DATA_CONTENT_LIGHT_LEVEL:        return "Content light level metadata";
+    case AV_PKT_DATA_SPHERICAL:                  return "Spherical Mapping";
+    case AV_PKT_DATA_A53_CC:                     return "A53 Closed Captions";
     }
     return NULL;
 }
 
+#if FF_API_MERGE_SD_API
+
 #define FF_MERGE_MARKER 0x8c4d9d108e25e9feULL
 
 int av_packet_merge_side_data(AVPacket *pkt){
@@ -431,6 +449,9 @@ int av_packet_split_side_data(AVPacket *pkt){
             p-= size+5;
         }
 
+        if (i > AV_PKT_DATA_NB)
+            return AVERROR(ERANGE);
+
         pkt->side_data = av_malloc_array(i, sizeof(*pkt->side_data));
         if (!pkt->side_data)
             return AVERROR(ENOMEM);
@@ -456,6 +477,35 @@ int av_packet_split_side_data(AVPacket *pkt){
     }
     return 0;
 }
+#endif
+
+#if FF_API_MERGE_SD
+int ff_packet_split_and_drop_side_data(AVPacket *pkt){
+    if (!pkt->side_data_elems && pkt->size >12 && AV_RB64(pkt->data + pkt->size - 8) == FF_MERGE_MARKER){
+        int i;
+        unsigned int size;
+        uint8_t *p;
+
+        p = pkt->data + pkt->size - 8 - 5;
+        for (i=1; ; i++){
+            size = AV_RB32(p);
+            if (size>INT_MAX - 5 || p - pkt->data < size)
+                return 0;
+            if (p[4]&128)
+                break;
+            if (p - pkt->data < size + 5)
+                return 0;
+            p-= size+5;
+            if (i > AV_PKT_DATA_NB)
+                return 0;
+        }
+        pkt->size = p - pkt->data - size;
+        av_assert0(pkt->size >= 0);
+        return 1;
+    }
+    return 0;
+}
+#endif
 
 uint8_t *av_packet_pack_dictionary(AVDictionary *dict, int *size)
 {
@@ -505,7 +555,7 @@ int av_packet_unpack_dictionary(const uint8_t *data, int size, AVDictionary **di
         const uint8_t *key = data;
         const uint8_t *val = data + strlen(key) + 1;
 
-        if (val >= end)
+        if (val >= end || !*key)
             return AVERROR_INVALIDDATA;
 
         ret = av_dict_set(dict, key, val, 0);
@@ -607,7 +657,7 @@ fail:
     return ret;
 }
 
-AVPacket *av_packet_clone(AVPacket *src)
+AVPacket *av_packet_clone(const AVPacket *src)
 {
     AVPacket *ret = av_packet_alloc();
 
diff --git a/media/ffvpx/libavcodec/bitstream.c b/media/ffvpx/libavcodec/bitstream.c
index 562ca1cb8..ed528fe4a 100644
--- a/media/ffvpx/libavcodec/bitstream.c
+++ b/media/ffvpx/libavcodec/bitstream.c
@@ -28,7 +28,6 @@
  * bitstream api.
  */
 
-#include "libavutil/atomic.h"
 #include "libavutil/avassert.h"
 #include "libavutil/qsort.h"
 #include "avcodec.h"
@@ -99,9 +98,11 @@ void avpriv_copy_bits(PutBitContext *pb, const uint8_t *src, int length)
     case 2:                                                 \
         v = *(const uint16_t *)ptr;                         \
         break;                                              \
-    default:                                                \
+    case 4:                                                 \
         v = *(const uint32_t *)ptr;                         \
         break;                                              \
+    default:                                                \
+        av_assert1(0);                                      \
     }                                                       \
 }
 
@@ -126,14 +127,6 @@ static int alloc_table(VLC *vlc, int size, int use_static)
     return index;
 }
 
-static av_always_inline uint32_t bitswap_32(uint32_t x)
-{
-    return (uint32_t)ff_reverse[ x        & 0xFF] << 24 |
-           (uint32_t)ff_reverse[(x >> 8)  & 0xFF] << 16 |
-           (uint32_t)ff_reverse[(x >> 16) & 0xFF] << 8  |
-           (uint32_t)ff_reverse[ x >> 24];
-}
-
 typedef struct VLCcode {
     uint8_t bits;
     uint16_t symbol;
@@ -183,7 +176,7 @@ static int build_table(VLC *vlc, int table_nb_bits, int nb_codes,
         n      = codes[i].bits;
         code   = codes[i].code;
         symbol = codes[i].symbol;
-        ff_dlog(NULL, "i=%d n=%d code=0x%x\n", i, n, code);
+        ff_dlog(NULL, "i=%d n=%d code=0x%"PRIx32"\n", i, n, code);
         if (n <= table_nb_bits) {
             /* no need to add another table */
             j = code >> (32 - table_nb_bits);
@@ -264,7 +257,7 @@ static int build_table(VLC *vlc, int table_nb_bits, int nb_codes,
    'bits' or 'codes' tables.
 
    'xxx_size' : gives the number of bytes of each entry of the 'bits'
-   or 'codes' tables.
+   or 'codes' tables. Currently 1,2 and 4 are supported.
 
    'wrap' and 'size' make it possible to use any memory configuration and types
    (byte/word/long) to store the 'bits', 'codes', and 'symbols' tables.
@@ -317,7 +310,8 @@ int ff_init_vlc_sparse(VLC *vlc_arg, int nb_bits, int nb_codes,
         }                                                                   \
         GET_DATA(buf[j].code, codes, i, codes_wrap, codes_size);            \
         if (buf[j].code >= (1LL<<buf[j].bits)) {                            \
-            av_log(NULL, AV_LOG_ERROR, "Invalid code %x for %d in init_vlc\n", buf[j].code, i);\
+            av_log(NULL, AV_LOG_ERROR, "Invalid code %"PRIx32" for %d in "  \
+                   "init_vlc\n", buf[j].code, i);                           \
             if (!(flags & INIT_VLC_USE_NEW_STATIC))                         \
                 av_free(buf);                                               \
             return -1;                                                      \
diff --git a/media/ffvpx/libavcodec/bitstream_filter.c b/media/ffvpx/libavcodec/bitstream_filter.c
new file mode 100644
index 000000000..8599b90d4
--- /dev/null
+++ b/media/ffvpx/libavcodec/bitstream_filter.c
@@ -0,0 +1,185 @@
+/*
+ * copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <string.h>
+
+#include "avcodec.h"
+#include "libavutil/internal.h"
+#include "libavutil/mem.h"
+#include "libavutil/opt.h"
+
+#if FF_API_OLD_BSF
+FF_DISABLE_DEPRECATION_WARNINGS
+
+AVBitStreamFilter *av_bitstream_filter_next(const AVBitStreamFilter *f)
+{
+    const AVBitStreamFilter *filter = NULL;
+    void *opaque = NULL;
+
+    while (filter != f)
+        filter = av_bsf_next(&opaque);
+
+    return av_bsf_next(&opaque);
+}
+
+void av_register_bitstream_filter(AVBitStreamFilter *bsf)
+{
+}
+
+typedef struct BSFCompatContext {
+    AVBSFContext *ctx;
+    int extradata_updated;
+} BSFCompatContext;
+
+AVBitStreamFilterContext *av_bitstream_filter_init(const char *name)
+{
+    AVBitStreamFilterContext *ctx = NULL;
+    BSFCompatContext         *priv = NULL;
+    const AVBitStreamFilter *bsf;
+
+    bsf = av_bsf_get_by_name(name);
+    if (!bsf)
+        return NULL;
+
+    ctx = av_mallocz(sizeof(*ctx));
+    if (!ctx)
+        return NULL;
+
+    priv = av_mallocz(sizeof(*priv));
+    if (!priv)
+        goto fail;
+
+
+    ctx->filter    = bsf;
+    ctx->priv_data = priv;
+
+    return ctx;
+
+fail:
+    if (priv)
+        av_bsf_free(&priv->ctx);
+    av_freep(&priv);
+    av_freep(&ctx);
+    return NULL;
+}
+
+void av_bitstream_filter_close(AVBitStreamFilterContext *bsfc)
+{
+    BSFCompatContext *priv;
+
+    if (!bsfc)
+        return;
+
+    priv = bsfc->priv_data;
+
+    av_bsf_free(&priv->ctx);
+    av_freep(&bsfc->priv_data);
+    av_free(bsfc);
+}
+
+int av_bitstream_filter_filter(AVBitStreamFilterContext *bsfc,
+                               AVCodecContext *avctx, const char *args,
+                               uint8_t **poutbuf, int *poutbuf_size,
+                               const uint8_t *buf, int buf_size, int keyframe)
+{
+    BSFCompatContext *priv = bsfc->priv_data;
+    AVPacket pkt = { 0 };
+    int ret;
+
+    if (!priv->ctx) {
+        ret = av_bsf_alloc(bsfc->filter, &priv->ctx);
+        if (ret < 0)
+            return ret;
+
+        ret = avcodec_parameters_from_context(priv->ctx->par_in, avctx);
+        if (ret < 0)
+            return ret;
+
+        priv->ctx->time_base_in = avctx->time_base;
+
+        if (bsfc->args && bsfc->filter->priv_class) {
+            const AVOption *opt = av_opt_next(priv->ctx->priv_data, NULL);
+            const char * shorthand[2] = {NULL};
+
+            if (opt)
+                shorthand[0] = opt->name;
+
+            ret = av_opt_set_from_string(priv->ctx->priv_data, bsfc->args, shorthand, "=", ":");
+            if (ret < 0)
+                return ret;
+        }
+
+        ret = av_bsf_init(priv->ctx);
+        if (ret < 0)
+            return ret;
+    }
+
+    pkt.data = buf;
+    pkt.size = buf_size;
+
+    ret = av_bsf_send_packet(priv->ctx, &pkt);
+    if (ret < 0)
+        return ret;
+
+    *poutbuf      = NULL;
+    *poutbuf_size = 0;
+
+    ret = av_bsf_receive_packet(priv->ctx, &pkt);
+    if (ret == AVERROR(EAGAIN) || ret == AVERROR_EOF)
+        return 0;
+    else if (ret < 0)
+        return ret;
+
+    *poutbuf = av_malloc(pkt.size + AV_INPUT_BUFFER_PADDING_SIZE);
+    if (!*poutbuf) {
+        av_packet_unref(&pkt);
+        return AVERROR(ENOMEM);
+    }
+
+    *poutbuf_size = pkt.size;
+    memcpy(*poutbuf, pkt.data, pkt.size);
+
+    av_packet_unref(&pkt);
+
+    /* drain all the remaining packets we cannot return */
+    while (ret >= 0) {
+        ret = av_bsf_receive_packet(priv->ctx, &pkt);
+        av_packet_unref(&pkt);
+    }
+
+    if (!priv->extradata_updated) {
+        /* update extradata in avctx from the output codec parameters */
+        if (priv->ctx->par_out->extradata_size && (!args || !strstr(args, "private_spspps_buf"))) {
+            av_freep(&avctx->extradata);
+            avctx->extradata_size = 0;
+            avctx->extradata = av_mallocz(priv->ctx->par_out->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE);
+            if (!avctx->extradata)
+                return AVERROR(ENOMEM);
+            memcpy(avctx->extradata, priv->ctx->par_out->extradata, priv->ctx->par_out->extradata_size);
+            avctx->extradata_size = priv->ctx->par_out->extradata_size;
+        }
+
+        priv->extradata_updated = 1;
+    }
+
+    return 1;
+}
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
diff --git a/media/ffvpx/libavcodec/bitstream_filters.c b/media/ffvpx/libavcodec/bitstream_filters.c
new file mode 100644
index 000000000..ce34de640
--- /dev/null
+++ b/media/ffvpx/libavcodec/bitstream_filters.c
@@ -0,0 +1,91 @@
+/*
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "config.h"
+
+#include "libavutil/common.h"
+#include "libavutil/log.h"
+
+#include "avcodec.h"
+#include "bsf.h"
+
+extern const AVBitStreamFilter ff_aac_adtstoasc_bsf;
+extern const AVBitStreamFilter ff_chomp_bsf;
+extern const AVBitStreamFilter ff_dump_extradata_bsf;
+extern const AVBitStreamFilter ff_dca_core_bsf;
+extern const AVBitStreamFilter ff_extract_extradata_bsf;
+extern const AVBitStreamFilter ff_h264_mp4toannexb_bsf;
+extern const AVBitStreamFilter ff_hevc_mp4toannexb_bsf;
+extern const AVBitStreamFilter ff_imx_dump_header_bsf;
+extern const AVBitStreamFilter ff_mjpeg2jpeg_bsf;
+extern const AVBitStreamFilter ff_mjpega_dump_header_bsf;
+extern const AVBitStreamFilter ff_mp3_header_decompress_bsf;
+extern const AVBitStreamFilter ff_mpeg4_unpack_bframes_bsf;
+extern const AVBitStreamFilter ff_mov2textsub_bsf;
+extern const AVBitStreamFilter ff_noise_bsf;
+extern const AVBitStreamFilter ff_null_bsf;
+extern const AVBitStreamFilter ff_remove_extradata_bsf;
+extern const AVBitStreamFilter ff_text2movsub_bsf;
+extern const AVBitStreamFilter ff_vp9_raw_reorder_bsf;
+extern const AVBitStreamFilter ff_vp9_superframe_bsf;
+extern const AVBitStreamFilter ff_vp9_superframe_split_bsf;
+
+#include "libavcodec/bsf_list.c"
+
+const AVBitStreamFilter *av_bsf_next(void **opaque)
+{
+    uintptr_t i = (uintptr_t)*opaque;
+    const AVBitStreamFilter *f = bitstream_filters[i];
+
+    if (f)
+        *opaque = (void*)(i + 1);
+
+    return f;
+}
+
+const AVBitStreamFilter *av_bsf_get_by_name(const char *name)
+{
+    int i;
+
+    for (i = 0; bitstream_filters[i]; i++) {
+        const AVBitStreamFilter *f = bitstream_filters[i];
+        if (!strcmp(f->name, name))
+            return f;
+    }
+
+    return NULL;
+}
+
+const AVClass *ff_bsf_child_class_next(const AVClass *prev)
+{
+    int i;
+
+    /* find the filter that corresponds to prev */
+    for (i = 0; prev && bitstream_filters[i]; i++) {
+        if (bitstream_filters[i]->priv_class == prev) {
+            i++;
+            break;
+        }
+    }
+
+    /* find next filter with priv options */
+    for (; bitstream_filters[i]; i++)
+        if (bitstream_filters[i]->priv_class)
+            return bitstream_filters[i]->priv_class;
+    return NULL;
+}
diff --git a/media/ffvpx/libavcodec/blockdsp.h b/media/ffvpx/libavcodec/blockdsp.h
index 95e1d0f32..6e27a02ba 100644
--- a/media/ffvpx/libavcodec/blockdsp.h
+++ b/media/ffvpx/libavcodec/blockdsp.h
@@ -19,6 +19,7 @@
 #ifndef AVCODEC_BLOCKDSP_H
 #define AVCODEC_BLOCKDSP_H
 
+#include <stddef.h>
 #include <stdint.h>
 
 #include "avcodec.h"
@@ -29,7 +30,7 @@
  * h for op_pixels_func is limited to { width / 2, width },
  * but never larger than 16 and never smaller than 4. */
 typedef void (*op_fill_func)(uint8_t *block /* align width (8 or 16) */,
-                             uint8_t value, int line_size, int h);
+                             uint8_t value, ptrdiff_t line_size, int h);
 
 typedef struct BlockDSPContext {
     void (*clear_block)(int16_t *block /* align 16 */);
diff --git a/media/ffvpx/libavcodec/bsf.c b/media/ffvpx/libavcodec/bsf.c
index 88b7f29fe..38b423101 100644
--- a/media/ffvpx/libavcodec/bsf.c
+++ b/media/ffvpx/libavcodec/bsf.c
@@ -21,6 +21,8 @@
 #include "libavutil/log.h"
 #include "libavutil/mem.h"
 #include "libavutil/opt.h"
+#include "libavutil/avstring.h"
+#include "libavutil/bprint.h"
 
 #include "avcodec.h"
 #include "bsf.h"
@@ -172,7 +174,7 @@ int av_bsf_init(AVBSFContext *ctx)
 
 int av_bsf_send_packet(AVBSFContext *ctx, AVPacket *pkt)
 {
-    if (!pkt || !pkt->data) {
+    if (!pkt || (!pkt->data && !pkt->side_data_elems)) {
         ctx->internal->eof = 1;
         return 0;
     }
@@ -217,3 +219,324 @@ int ff_bsf_get_packet(AVBSFContext *ctx, AVPacket **pkt)
 
     return 0;
 }
+
+int ff_bsf_get_packet_ref(AVBSFContext *ctx, AVPacket *pkt)
+{
+    AVBSFInternal *in = ctx->internal;
+
+    if (in->eof)
+        return AVERROR_EOF;
+
+    if (!ctx->internal->buffer_pkt->data &&
+        !ctx->internal->buffer_pkt->side_data_elems)
+        return AVERROR(EAGAIN);
+
+    av_packet_move_ref(pkt, ctx->internal->buffer_pkt);
+
+    return 0;
+}
+
+typedef struct BSFListContext {
+    const AVClass *class;
+
+    AVBSFContext **bsfs;
+    int nb_bsfs;
+
+    unsigned idx;           // index of currently processed BSF
+    unsigned flushed_idx;   // index of BSF being flushed
+
+    char * item_name;
+} BSFListContext;
+
+
+static int bsf_list_init(AVBSFContext *bsf)
+{
+    BSFListContext *lst = bsf->priv_data;
+    int ret, i;
+    const AVCodecParameters *cod_par = bsf->par_in;
+    AVRational tb = bsf->time_base_in;
+
+    for (i = 0; i < lst->nb_bsfs; ++i) {
+        ret = avcodec_parameters_copy(lst->bsfs[i]->par_in, cod_par);
+        if (ret < 0)
+            goto fail;
+
+        lst->bsfs[i]->time_base_in = tb;
+
+        ret = av_bsf_init(lst->bsfs[i]);
+        if (ret < 0)
+            goto fail;
+
+        cod_par = lst->bsfs[i]->par_out;
+        tb = lst->bsfs[i]->time_base_out;
+    }
+
+    bsf->time_base_out = tb;
+    ret = avcodec_parameters_copy(bsf->par_out, cod_par);
+
+fail:
+    return ret;
+}
+
+static int bsf_list_filter(AVBSFContext *bsf, AVPacket *out)
+{
+    BSFListContext *lst = bsf->priv_data;
+    int ret;
+
+    if (!lst->nb_bsfs)
+        return ff_bsf_get_packet_ref(bsf, out);
+
+    while (1) {
+        if (lst->idx > lst->flushed_idx) {
+            ret = av_bsf_receive_packet(lst->bsfs[lst->idx-1], out);
+            if (ret == AVERROR(EAGAIN)) {
+                /* no more packets from idx-1, try with previous */
+                ret = 0;
+                lst->idx--;
+                continue;
+            } else if (ret == AVERROR_EOF) {
+                /* filter idx-1 is done, continue with idx...nb_bsfs */
+                lst->flushed_idx = lst->idx;
+                continue;
+            }else if (ret < 0) {
+                /* filtering error */
+                break;
+            }
+        } else {
+            ret = ff_bsf_get_packet_ref(bsf, out);
+            if (ret == AVERROR_EOF) {
+                lst->idx = lst->flushed_idx;
+            } else if (ret < 0)
+                break;
+        }
+
+        if (lst->idx < lst->nb_bsfs) {
+            AVPacket *pkt;
+            if (ret == AVERROR_EOF && lst->idx == lst->flushed_idx) {
+                /* ff_bsf_get_packet_ref returned EOF and idx is first
+                 * filter of yet not flushed filter chain */
+                pkt = NULL;
+            } else {
+                pkt = out;
+            }
+            ret = av_bsf_send_packet(lst->bsfs[lst->idx], pkt);
+            if (ret < 0)
+                break;
+            lst->idx++;
+        } else {
+            /* The end of filter chain, break to return result */
+            break;
+        }
+    }
+
+    if (ret < 0)
+        av_packet_unref(out);
+
+    return ret;
+}
+
+static void bsf_list_close(AVBSFContext *bsf)
+{
+    BSFListContext *lst = bsf->priv_data;
+    int i;
+
+    for (i = 0; i < lst->nb_bsfs; ++i)
+        av_bsf_free(&lst->bsfs[i]);
+    av_freep(&lst->bsfs);
+    av_freep(&lst->item_name);
+}
+
+static const char *bsf_list_item_name(void *ctx)
+{
+    static const char *null_filter_name = "null";
+    AVBSFContext *bsf_ctx = ctx;
+    BSFListContext *lst = bsf_ctx->priv_data;
+
+    if (!lst->nb_bsfs)
+        return null_filter_name;
+
+    if (!lst->item_name) {
+        int i;
+        AVBPrint bp;
+        av_bprint_init(&bp, 16, 128);
+
+        av_bprintf(&bp, "bsf_list(");
+        for (i = 0; i < lst->nb_bsfs; i++)
+            av_bprintf(&bp, i ? ",%s" : "%s", lst->bsfs[i]->filter->name);
+        av_bprintf(&bp, ")");
+
+        av_bprint_finalize(&bp, &lst->item_name);
+    }
+
+    return lst->item_name;
+}
+
+static const AVClass bsf_list_class = {
+        .class_name = "bsf_list",
+        .item_name  = bsf_list_item_name,
+        .version    = LIBAVUTIL_VERSION_INT,
+};
+
+const AVBitStreamFilter ff_list_bsf = {
+        .name           = "bsf_list",
+        .priv_data_size = sizeof(BSFListContext),
+        .priv_class     = &bsf_list_class,
+        .init           = bsf_list_init,
+        .filter         = bsf_list_filter,
+        .close          = bsf_list_close,
+};
+
+struct AVBSFList {
+    AVBSFContext **bsfs;
+    int nb_bsfs;
+};
+
+AVBSFList *av_bsf_list_alloc(void)
+{
+    return av_mallocz(sizeof(AVBSFList));
+}
+
+void av_bsf_list_free(AVBSFList **lst)
+{
+    int i;
+
+    if (!*lst)
+        return;
+
+    for (i = 0; i < (*lst)->nb_bsfs; ++i)
+        av_bsf_free(&(*lst)->bsfs[i]);
+    av_free((*lst)->bsfs);
+    av_freep(lst);
+}
+
+int av_bsf_list_append(AVBSFList *lst, AVBSFContext *bsf)
+{
+    return av_dynarray_add_nofree(&lst->bsfs, &lst->nb_bsfs, bsf);
+}
+
+int av_bsf_list_append2(AVBSFList *lst, const char *bsf_name, AVDictionary ** options)
+{
+    int ret;
+    const AVBitStreamFilter *filter;
+    AVBSFContext *bsf;
+
+    filter = av_bsf_get_by_name(bsf_name);
+    if (!filter)
+        return AVERROR_BSF_NOT_FOUND;
+
+    ret = av_bsf_alloc(filter, &bsf);
+    if (ret < 0)
+        return ret;
+
+    if (options) {
+        ret = av_opt_set_dict2(bsf, options, AV_OPT_SEARCH_CHILDREN);
+        if (ret < 0)
+            goto end;
+    }
+
+    ret = av_bsf_list_append(lst, bsf);
+
+end:
+    if (ret < 0)
+        av_bsf_free(&bsf);
+
+    return ret;
+}
+
+int av_bsf_list_finalize(AVBSFList **lst, AVBSFContext **bsf)
+{
+    int ret = 0;
+    BSFListContext *ctx;
+
+    if ((*lst)->nb_bsfs == 1) {
+        *bsf = (*lst)->bsfs[0];
+        av_freep(&(*lst)->bsfs);
+        (*lst)->nb_bsfs = 0;
+        goto end;
+    }
+
+    ret = av_bsf_alloc(&ff_list_bsf, bsf);
+    if (ret < 0)
+        return ret;
+
+    ctx = (*bsf)->priv_data;
+
+    ctx->bsfs = (*lst)->bsfs;
+    ctx->nb_bsfs = (*lst)->nb_bsfs;
+
+end:
+    av_freep(lst);
+    return ret;
+}
+
+static int bsf_parse_single(const char *str, AVBSFList *bsf_lst)
+{
+    char *bsf_name, *bsf_options_str, *buf;
+    AVDictionary *bsf_options = NULL;
+    int ret = 0;
+
+    if (!(buf = av_strdup(str)))
+        return AVERROR(ENOMEM);
+
+    bsf_name = av_strtok(buf, "=", &bsf_options_str);
+    if (!bsf_name) {
+        ret = AVERROR(EINVAL);
+        goto end;
+    }
+
+    if (bsf_options_str) {
+        ret = av_dict_parse_string(&bsf_options, bsf_options_str, "=", ":", 0);
+        if (ret < 0)
+            goto end;
+    }
+
+    ret = av_bsf_list_append2(bsf_lst, bsf_name, &bsf_options);
+
+    av_dict_free(&bsf_options);
+end:
+    av_free(buf);
+    return ret;
+}
+
+int av_bsf_list_parse_str(const char *str, AVBSFContext **bsf_lst)
+{
+    AVBSFList *lst;
+    char *bsf_str, *buf, *dup, *saveptr;
+    int ret;
+
+    if (!str)
+        return av_bsf_get_null_filter(bsf_lst);
+
+    lst = av_bsf_list_alloc();
+    if (!lst)
+        return AVERROR(ENOMEM);
+
+    if (!(dup = buf = av_strdup(str))) {
+        ret = AVERROR(ENOMEM);
+        goto end;
+    }
+
+    while (1) {
+        bsf_str = av_strtok(buf, ",", &saveptr);
+        if (!bsf_str)
+            break;
+
+        ret = bsf_parse_single(bsf_str, lst);
+        if (ret < 0)
+            goto end;
+
+        buf = NULL;
+    }
+
+    ret = av_bsf_list_finalize(&lst, bsf_lst);
+end:
+    if (ret < 0)
+        av_bsf_list_free(&lst);
+    av_free(dup);
+    return ret;
+}
+
+int av_bsf_get_null_filter(AVBSFContext **bsf)
+{
+    return av_bsf_alloc(&ff_list_bsf, bsf);
+}
diff --git a/media/ffvpx/libavcodec/bsf_list.c b/media/ffvpx/libavcodec/bsf_list.c
new file mode 100644
index 000000000..d31ece942
--- /dev/null
+++ b/media/ffvpx/libavcodec/bsf_list.c
@@ -0,0 +1,3 @@
+static const AVBitStreamFilter * const bitstream_filters[] = {
+    &ff_null_bsf,
+    NULL };
diff --git a/media/ffvpx/libavcodec/bytestream.h b/media/ffvpx/libavcodec/bytestream.h
index 7c05ea6cf..7be7fc22f 100644
--- a/media/ffvpx/libavcodec/bytestream.h
+++ b/media/ffvpx/libavcodec/bytestream.h
@@ -94,7 +94,7 @@ DEF(unsigned int, be24, 3, AV_RB24, AV_WB24)
 DEF(unsigned int, be16, 2, AV_RB16, AV_WB16)
 DEF(unsigned int, byte, 1, AV_RB8 , AV_WB8)
 
-#if HAVE_BIGENDIAN
+#if AV_HAVE_BIGENDIAN
 #   define bytestream2_get_ne16  bytestream2_get_be16
 #   define bytestream2_get_ne24  bytestream2_get_be24
 #   define bytestream2_get_ne32  bytestream2_get_be32
diff --git a/media/ffvpx/libavcodec/codec_desc.c b/media/ffvpx/libavcodec/codec_desc.c
index d862cc8f6..6a13bbbf0 100644
--- a/media/ffvpx/libavcodec/codec_desc.c
+++ b/media/ffvpx/libavcodec/codec_desc.c
@@ -170,6 +170,14 @@ static const AVCodecDescriptor codec_descriptors[] = {
         .props     = AV_CODEC_PROP_LOSSY,
     },
     {
+        .id        = AV_CODEC_ID_SVG,
+        .type      = AVMEDIA_TYPE_VIDEO,
+        .name      = "svg",
+        .long_name = NULL_IF_CONFIG_SMALL("Scalable Vector Graphics"),
+        .props     = AV_CODEC_PROP_LOSSLESS,
+        .mime_types= MT("image/svg+xml"),
+    },
+    {
         .id        = AV_CODEC_ID_SVQ1,
         .type      = AVMEDIA_TYPE_VIDEO,
         .name      = "svq1",
@@ -520,7 +528,7 @@ static const AVCodecDescriptor codec_descriptors[] = {
         .type      = AVMEDIA_TYPE_VIDEO,
         .name      = "fraps",
         .long_name = NULL_IF_CONFIG_SMALL("Fraps"),
-        .props     = AV_CODEC_PROP_LOSSLESS,
+        .props     = AV_CODEC_PROP_INTRA_ONLY | AV_CODEC_PROP_LOSSLESS,
     },
     {
         .id        = AV_CODEC_ID_TRUEMOTION2,
@@ -665,6 +673,7 @@ static const AVCodecDescriptor codec_descriptors[] = {
         .name      = "dnxhd",
         .long_name = NULL_IF_CONFIG_SMALL("VC3/DNxHD"),
         .props     = AV_CODEC_PROP_INTRA_ONLY | AV_CODEC_PROP_LOSSY,
+        .profiles  = NULL_IF_CONFIG_SMALL(ff_dnxhd_profiles),
     },
     {
         .id        = AV_CODEC_ID_THP,
@@ -1106,7 +1115,7 @@ static const AVCodecDescriptor codec_descriptors[] = {
         .type      = AVMEDIA_TYPE_VIDEO,
         .name      = "y41p",
         .long_name = NULL_IF_CONFIG_SMALL("Uncompressed YUV 4:1:1 12-bit"),
-        .props     = AV_CODEC_PROP_INTRA_ONLY,
+        .props     = AV_CODEC_PROP_INTRA_ONLY | AV_CODEC_PROP_LOSSLESS,
     },
     {
         .id        = AV_CODEC_ID_ESCAPE130,
@@ -1120,56 +1129,56 @@ static const AVCodecDescriptor codec_descriptors[] = {
         .type      = AVMEDIA_TYPE_VIDEO,
         .name      = "avrp",
         .long_name = NULL_IF_CONFIG_SMALL("Avid 1:1 10-bit RGB Packer"),
-        .props     = AV_CODEC_PROP_INTRA_ONLY,
+        .props     = AV_CODEC_PROP_INTRA_ONLY | AV_CODEC_PROP_LOSSLESS,
     },
     {
         .id        = AV_CODEC_ID_012V,
         .type      = AVMEDIA_TYPE_VIDEO,
         .name      = "012v",
         .long_name = NULL_IF_CONFIG_SMALL("Uncompressed 4:2:2 10-bit"),
-        .props     = AV_CODEC_PROP_INTRA_ONLY,
+        .props     = AV_CODEC_PROP_INTRA_ONLY | AV_CODEC_PROP_LOSSLESS,
     },
     {
         .id        = AV_CODEC_ID_AVUI,
         .type      = AVMEDIA_TYPE_VIDEO,
         .name      = "avui",
         .long_name = NULL_IF_CONFIG_SMALL("Avid Meridien Uncompressed"),
-        .props     = AV_CODEC_PROP_INTRA_ONLY,
+        .props     = AV_CODEC_PROP_INTRA_ONLY | AV_CODEC_PROP_LOSSLESS,
     },
     {
         .id        = AV_CODEC_ID_AYUV,
         .type      = AVMEDIA_TYPE_VIDEO,
         .name      = "ayuv",
         .long_name = NULL_IF_CONFIG_SMALL("Uncompressed packed MS 4:4:4:4"),
-        .props     = AV_CODEC_PROP_INTRA_ONLY,
+        .props     = AV_CODEC_PROP_INTRA_ONLY | AV_CODEC_PROP_LOSSLESS,
     },
     {
         .id        = AV_CODEC_ID_TARGA_Y216,
         .type      = AVMEDIA_TYPE_VIDEO,
         .name      = "targa_y216",
         .long_name = NULL_IF_CONFIG_SMALL("Pinnacle TARGA CineWave YUV16"),
-        .props     = AV_CODEC_PROP_INTRA_ONLY,
+        .props     = AV_CODEC_PROP_INTRA_ONLY | AV_CODEC_PROP_LOSSLESS,
     },
     {
         .id        = AV_CODEC_ID_V308,
         .type      = AVMEDIA_TYPE_VIDEO,
         .name      = "v308",
         .long_name = NULL_IF_CONFIG_SMALL("Uncompressed packed 4:4:4"),
-        .props     = AV_CODEC_PROP_INTRA_ONLY,
+        .props     = AV_CODEC_PROP_INTRA_ONLY | AV_CODEC_PROP_LOSSLESS,
     },
     {
         .id        = AV_CODEC_ID_V408,
         .type      = AVMEDIA_TYPE_VIDEO,
         .name      = "v408",
         .long_name = NULL_IF_CONFIG_SMALL("Uncompressed packed QT 4:4:4:4"),
-        .props     = AV_CODEC_PROP_INTRA_ONLY,
+        .props     = AV_CODEC_PROP_INTRA_ONLY | AV_CODEC_PROP_LOSSLESS,
     },
     {
         .id        = AV_CODEC_ID_YUV4,
         .type      = AVMEDIA_TYPE_VIDEO,
         .name      = "yuv4",
         .long_name = NULL_IF_CONFIG_SMALL("Uncompressed packed 4:2:0"),
-        .props     = AV_CODEC_PROP_INTRA_ONLY,
+        .props     = AV_CODEC_PROP_INTRA_ONLY | AV_CODEC_PROP_LOSSLESS,
     },
     {
         .id        = AV_CODEC_ID_AVRN,
@@ -1272,7 +1281,7 @@ static const AVCodecDescriptor codec_descriptors[] = {
         .id        = AV_CODEC_ID_HAP,
         .type      = AVMEDIA_TYPE_VIDEO,
         .name      = "hap",
-        .long_name = NULL_IF_CONFIG_SMALL("Vidvox Hap decoder"),
+        .long_name = NULL_IF_CONFIG_SMALL("Vidvox Hap"),
         .props     = AV_CODEC_PROP_INTRA_ONLY | AV_CODEC_PROP_LOSSY,
     },
     {
@@ -1290,6 +1299,13 @@ static const AVCodecDescriptor codec_descriptors[] = {
         .props     = AV_CODEC_PROP_LOSSLESS,
     },
     {
+        .id        = AV_CODEC_ID_SPEEDHQ,
+        .type      = AVMEDIA_TYPE_VIDEO,
+        .name      = "speedhq",
+        .long_name = NULL_IF_CONFIG_SMALL("NewTek SpeedHQ"),
+        .props     = AV_CODEC_PROP_INTRA_ONLY | AV_CODEC_PROP_LOSSY,
+    },
+    {
         .id        = AV_CODEC_ID_WRAPPED_AVFRAME,
         .type      = AVMEDIA_TYPE_VIDEO,
         .name      = "wrapped_avframe",
@@ -1303,6 +1319,104 @@ static const AVCodecDescriptor codec_descriptors[] = {
         .long_name = NULL_IF_CONFIG_SMALL("innoHeim/Rsupport Screen Capture Codec"),
         .props     = AV_CODEC_PROP_LOSSLESS,
     },
+    {
+        .id        = AV_CODEC_ID_MAGICYUV,
+        .type      = AVMEDIA_TYPE_VIDEO,
+        .name      = "magicyuv",
+        .long_name = NULL_IF_CONFIG_SMALL("MagicYUV video"),
+        .props     = AV_CODEC_PROP_INTRA_ONLY | AV_CODEC_PROP_LOSSLESS,
+    },
+    {
+        .id        = AV_CODEC_ID_TRUEMOTION2RT,
+        .type      = AVMEDIA_TYPE_VIDEO,
+        .name      = "truemotion2rt",
+        .long_name = NULL_IF_CONFIG_SMALL("Duck TrueMotion 2.0 Real Time"),
+        .props     = AV_CODEC_PROP_LOSSY,
+    },
+    {
+        .id        = AV_CODEC_ID_CFHD,
+        .type      = AVMEDIA_TYPE_VIDEO,
+        .name      = "cfhd",
+        .long_name = NULL_IF_CONFIG_SMALL("Cineform HD"),
+        .props     = AV_CODEC_PROP_LOSSY,
+    },
+    {
+        .id        = AV_CODEC_ID_SHEERVIDEO,
+        .type      = AVMEDIA_TYPE_VIDEO,
+        .name      = "sheervideo",
+        .long_name = NULL_IF_CONFIG_SMALL("BitJazz SheerVideo"),
+        .props     = AV_CODEC_PROP_INTRA_ONLY | AV_CODEC_PROP_LOSSLESS,
+    },
+    {
+        .id        = AV_CODEC_ID_YLC,
+        .type      = AVMEDIA_TYPE_VIDEO,
+        .name      = "ylc",
+        .long_name = NULL_IF_CONFIG_SMALL("YUY2 Lossless Codec"),
+        .props     = AV_CODEC_PROP_INTRA_ONLY | AV_CODEC_PROP_LOSSLESS,
+    },
+    {
+        .id        = AV_CODEC_ID_PIXLET,
+        .type      = AVMEDIA_TYPE_VIDEO,
+        .name      = "pixlet",
+        .long_name = NULL_IF_CONFIG_SMALL("Apple Pixlet"),
+        .props     = AV_CODEC_PROP_INTRA_ONLY | AV_CODEC_PROP_LOSSY,
+    },
+    {
+        .id        = AV_CODEC_ID_FMVC,
+        .type      = AVMEDIA_TYPE_VIDEO,
+        .name      = "fmvc",
+        .long_name = NULL_IF_CONFIG_SMALL("FM Screen Capture Codec"),
+        .props     = AV_CODEC_PROP_LOSSLESS,
+    },
+    {
+        .id        = AV_CODEC_ID_SCPR,
+        .type      = AVMEDIA_TYPE_VIDEO,
+        .name      = "scpr",
+        .long_name = NULL_IF_CONFIG_SMALL("ScreenPressor"),
+        .props     = AV_CODEC_PROP_LOSSLESS | AV_CODEC_PROP_LOSSY,
+    },
+    {
+        .id        = AV_CODEC_ID_CLEARVIDEO,
+        .type      = AVMEDIA_TYPE_VIDEO,
+        .name      = "clearvideo",
+        .long_name = NULL_IF_CONFIG_SMALL("Iterated Systems ClearVideo"),
+        .props     = AV_CODEC_PROP_LOSSY,
+    },
+    {
+        .id        = AV_CODEC_ID_AV1,
+        .type      = AVMEDIA_TYPE_VIDEO,
+        .name      = "av1",
+        .long_name = NULL_IF_CONFIG_SMALL("Alliance for Open Media AV1"),
+        .props     = AV_CODEC_PROP_LOSSY,
+    },
+    {
+        .id        = AV_CODEC_ID_BITPACKED,
+        .type      = AVMEDIA_TYPE_VIDEO,
+        .name      = "bitpacked",
+        .long_name = NULL_IF_CONFIG_SMALL("Bitpacked"),
+        .props     = AV_CODEC_PROP_INTRA_ONLY | AV_CODEC_PROP_LOSSLESS,
+    },
+    {
+        .id        = AV_CODEC_ID_MSCC,
+        .type      = AVMEDIA_TYPE_VIDEO,
+        .name      = "mscc",
+        .long_name = NULL_IF_CONFIG_SMALL("Mandsoft Screen Capture Codec"),
+        .props     = AV_CODEC_PROP_INTRA_ONLY | AV_CODEC_PROP_LOSSLESS,
+    },
+    {
+        .id        = AV_CODEC_ID_SRGC,
+        .type      = AVMEDIA_TYPE_VIDEO,
+        .name      = "srgc",
+        .long_name = NULL_IF_CONFIG_SMALL("Screen Recorder Gold Codec"),
+        .props     = AV_CODEC_PROP_INTRA_ONLY | AV_CODEC_PROP_LOSSLESS,
+    },
+    {
+        .id        = AV_CODEC_ID_GDV,
+        .type      = AVMEDIA_TYPE_VIDEO,
+        .name      = "gdv",
+        .long_name = NULL_IF_CONFIG_SMALL("Gremlin Digital Video"),
+        .props     = AV_CODEC_PROP_LOSSY,
+    },
 
     /* image codecs */
     {
@@ -1350,6 +1464,13 @@ static const AVCodecDescriptor codec_descriptors[] = {
                      AV_CODEC_PROP_LOSSLESS,
     },
     {
+        .id        = AV_CODEC_ID_FITS,
+        .type      = AVMEDIA_TYPE_VIDEO,
+        .name      = "fits",
+        .long_name = NULL_IF_CONFIG_SMALL("FITS (Flexible Image Transport System)"),
+        .props     = AV_CODEC_PROP_INTRA_ONLY | AV_CODEC_PROP_LOSSLESS,
+    },
+    {
         .id        = AV_CODEC_ID_GIF,
         .type      = AVMEDIA_TYPE_VIDEO,
         .name      = "gif",
@@ -1425,6 +1546,13 @@ static const AVCodecDescriptor codec_descriptors[] = {
         .props     = AV_CODEC_PROP_INTRA_ONLY | AV_CODEC_PROP_LOSSLESS,
     },
     {
+        .id        = AV_CODEC_ID_PSD,
+        .type      = AVMEDIA_TYPE_VIDEO,
+        .name      = "psd",
+        .long_name = NULL_IF_CONFIG_SMALL("Photoshop PSD file"),
+        .props     = AV_CODEC_PROP_INTRA_ONLY | AV_CODEC_PROP_LOSSLESS,
+    },
+    {
         .id        = AV_CODEC_ID_PTX,
         .type      = AVMEDIA_TYPE_VIDEO,
         .name      = "ptx",
@@ -1511,6 +1639,15 @@ static const AVCodecDescriptor codec_descriptors[] = {
         .name      = "xbm",
         .long_name = NULL_IF_CONFIG_SMALL("XBM (X BitMap) image"),
         .props     = AV_CODEC_PROP_INTRA_ONLY | AV_CODEC_PROP_LOSSLESS,
+        .mime_types= MT("image/x-xbitmap"),
+    },
+    {
+        .id        = AV_CODEC_ID_XPM,
+        .type      = AVMEDIA_TYPE_VIDEO,
+        .name      = "xpm",
+        .long_name = NULL_IF_CONFIG_SMALL("XPM (X PixMap) image"),
+        .props     = AV_CODEC_PROP_INTRA_ONLY | AV_CODEC_PROP_LOSSLESS,
+        .mime_types= MT("image/x-xpixmap"),
     },
     {
         .id        = AV_CODEC_ID_XWD,
@@ -1528,41 +1665,6 @@ static const AVCodecDescriptor codec_descriptors[] = {
         .props     = AV_CODEC_PROP_LOSSLESS,
         .mime_types= MT("image/png"),
     },
-    {
-        .id        = AV_CODEC_ID_CFHD,
-        .type      = AVMEDIA_TYPE_VIDEO,
-        .name      = "cfhd",
-        .long_name = NULL_IF_CONFIG_SMALL("Cineform HD"),
-        .props     = AV_CODEC_PROP_LOSSY,
-    },
-    {
-        .id        = AV_CODEC_ID_TRUEMOTION2RT,
-        .type      = AVMEDIA_TYPE_VIDEO,
-        .name      = "truemotion2rt",
-        .long_name = NULL_IF_CONFIG_SMALL("Duck TrueMotion 2.0 Real Time"),
-        .props     = AV_CODEC_PROP_LOSSY,
-    },
-    {
-        .id        = AV_CODEC_ID_MAGICYUV,
-        .type      = AVMEDIA_TYPE_VIDEO,
-        .name      = "magicyuv",
-        .long_name = NULL_IF_CONFIG_SMALL("MagicYUV Lossless Video"),
-        .props     = AV_CODEC_PROP_INTRA_ONLY | AV_CODEC_PROP_LOSSLESS,
-    },
-    {
-        .id        = AV_CODEC_ID_SHEERVIDEO,
-        .type      = AVMEDIA_TYPE_VIDEO,
-        .name      = "sheervideo",
-        .long_name = NULL_IF_CONFIG_SMALL("BitJazz SheerVideo"),
-        .props     = AV_CODEC_PROP_INTRA_ONLY | AV_CODEC_PROP_LOSSLESS,
-    },
-    {
-        .id        = AV_CODEC_ID_YLC,
-        .type      = AVMEDIA_TYPE_VIDEO,
-        .name      = "ylc",
-        .long_name = NULL_IF_CONFIG_SMALL("YUY2 Lossless Codec"),
-        .props     = AV_CODEC_PROP_INTRA_ONLY | AV_CODEC_PROP_LOSSLESS,
-    },
 
     /* various PCM "codecs" */
     {
@@ -1636,6 +1738,20 @@ static const AVCodecDescriptor codec_descriptors[] = {
         .props     = AV_CODEC_PROP_LOSSLESS,
     },
     {
+        .id        = AV_CODEC_ID_PCM_S64LE,
+        .type      = AVMEDIA_TYPE_AUDIO,
+        .name      = "pcm_s64le",
+        .long_name = NULL_IF_CONFIG_SMALL("PCM signed 64-bit little-endian"),
+        .props     = AV_CODEC_PROP_LOSSLESS,
+    },
+    {
+        .id        = AV_CODEC_ID_PCM_S64BE,
+        .type      = AVMEDIA_TYPE_AUDIO,
+        .name      = "pcm_s64be",
+        .long_name = NULL_IF_CONFIG_SMALL("PCM signed 64-bit big-endian"),
+        .props     = AV_CODEC_PROP_LOSSLESS,
+    },
+    {
         .id        = AV_CODEC_ID_PCM_U32LE,
         .type      = AVMEDIA_TYPE_AUDIO,
         .name      = "pcm_u32le",
@@ -1727,6 +1843,20 @@ static const AVCodecDescriptor codec_descriptors[] = {
         .props     = AV_CODEC_PROP_LOSSLESS,
     },
     {
+        .id        = AV_CODEC_ID_PCM_F16LE,
+        .type      = AVMEDIA_TYPE_AUDIO,
+        .name      = "pcm_f16le",
+        .long_name = NULL_IF_CONFIG_SMALL("PCM 16.8 floating point little-endian"),
+        .props     = AV_CODEC_PROP_LOSSLESS,
+    },
+    {
+        .id        = AV_CODEC_ID_PCM_F24LE,
+        .type      = AVMEDIA_TYPE_AUDIO,
+        .name      = "pcm_f24le",
+        .long_name = NULL_IF_CONFIG_SMALL("PCM 24.0 floating point little-endian"),
+        .props     = AV_CODEC_PROP_LOSSLESS,
+    },
+    {
         .id        = AV_CODEC_ID_PCM_F32BE,
         .type      = AVMEDIA_TYPE_AUDIO,
         .name      = "pcm_f32be",
@@ -2133,6 +2263,13 @@ static const AVCodecDescriptor codec_descriptors[] = {
         .long_name = NULL_IF_CONFIG_SMALL("DPCM Squareroot-Delta-Exact"),
         .props     = AV_CODEC_PROP_LOSSY,
     },
+    {
+        .id        = AV_CODEC_ID_GREMLIN_DPCM,
+        .type      = AVMEDIA_TYPE_AUDIO,
+        .name      = "gremlin_dpcm",
+        .long_name = NULL_IF_CONFIG_SMALL("DPCM Gremlin"),
+        .props     = AV_CODEC_PROP_LOSSY,
+    },
 
     /* audio codecs */
     {
@@ -2226,7 +2363,7 @@ static const AVCodecDescriptor codec_descriptors[] = {
         .type      = AVMEDIA_TYPE_AUDIO,
         .name      = "flac",
         .long_name = NULL_IF_CONFIG_SMALL("FLAC (Free Lossless Audio Codec)"),
-        .props     = AV_CODEC_PROP_LOSSLESS,
+        .props     = AV_CODEC_PROP_INTRA_ONLY | AV_CODEC_PROP_LOSSLESS,
     },
     {
         .id        = AV_CODEC_ID_MP3ADU,
@@ -2254,7 +2391,7 @@ static const AVCodecDescriptor codec_descriptors[] = {
         .type      = AVMEDIA_TYPE_AUDIO,
         .name      = "alac",
         .long_name = NULL_IF_CONFIG_SMALL("ALAC (Apple Lossless Audio Codec)"),
-        .props     = AV_CODEC_PROP_LOSSLESS,
+        .props     = AV_CODEC_PROP_INTRA_ONLY | AV_CODEC_PROP_LOSSLESS,
     },
     {
         .id        = AV_CODEC_ID_WESTWOOD_SND1,
@@ -2281,7 +2418,7 @@ static const AVCodecDescriptor codec_descriptors[] = {
         .id        = AV_CODEC_ID_COOK,
         .type      = AVMEDIA_TYPE_AUDIO,
         .name      = "cook",
-        .long_name = NULL_IF_CONFIG_SMALL("Cook / Cooker / Goanna (RealAudio G2)"),
+        .long_name = NULL_IF_CONFIG_SMALL("Cook / Cooker / Gecko (RealAudio G2)"),
         .props     = AV_CODEC_PROP_LOSSY,
     },
     {
@@ -2296,7 +2433,7 @@ static const AVCodecDescriptor codec_descriptors[] = {
         .type      = AVMEDIA_TYPE_AUDIO,
         .name      = "tta",
         .long_name = NULL_IF_CONFIG_SMALL("TTA (True Audio)"),
-        .props     = AV_CODEC_PROP_LOSSLESS,
+        .props     = AV_CODEC_PROP_INTRA_ONLY | AV_CODEC_PROP_LOSSLESS,
     },
     {
         .id        = AV_CODEC_ID_SMACKAUDIO,
@@ -2317,7 +2454,8 @@ static const AVCodecDescriptor codec_descriptors[] = {
         .type      = AVMEDIA_TYPE_AUDIO,
         .name      = "wavpack",
         .long_name = NULL_IF_CONFIG_SMALL("WavPack"),
-        .props     = AV_CODEC_PROP_LOSSY | AV_CODEC_PROP_LOSSLESS,
+        .props     = AV_CODEC_PROP_INTRA_ONLY |
+                     AV_CODEC_PROP_LOSSY | AV_CODEC_PROP_LOSSLESS,
     },
     {
         .id        = AV_CODEC_ID_DSICINAUDIO,
@@ -2427,6 +2565,20 @@ static const AVCodecDescriptor codec_descriptors[] = {
         .props     = AV_CODEC_PROP_LOSSY,
     },
     {
+        .id        = AV_CODEC_ID_ATRAC3PAL,
+        .type      = AVMEDIA_TYPE_AUDIO,
+        .name      = "atrac3pal",
+        .long_name = NULL_IF_CONFIG_SMALL("ATRAC3+ AL (Adaptive TRansform Acoustic Coding 3+ Advanced Lossless)"),
+        .props     = AV_CODEC_PROP_LOSSLESS,
+    },
+    {
+        .id        = AV_CODEC_ID_ATRAC3AL,
+        .type      = AVMEDIA_TYPE_AUDIO,
+        .name      = "atrac3al",
+        .long_name = NULL_IF_CONFIG_SMALL("ATRAC3 AL (Adaptive TRansform Acoustic Coding 3 Advanced Lossless)"),
+        .props     = AV_CODEC_PROP_LOSSLESS,
+    },
+    {
         .id        = AV_CODEC_ID_EAC3,
         .type      = AVMEDIA_TYPE_AUDIO,
         .name      = "eac3",
@@ -2526,6 +2678,13 @@ static const AVCodecDescriptor codec_descriptors[] = {
         .props     = AV_CODEC_PROP_LOSSY,
     },
     {
+        .id        = AV_CODEC_ID_DOLBY_E,
+        .type      = AVMEDIA_TYPE_AUDIO,
+        .name      = "dolby_e",
+        .long_name = NULL_IF_CONFIG_SMALL("Dolby E"),
+        .props     = AV_CODEC_PROP_LOSSY,
+    },
+    {
         .id        = AV_CODEC_ID_G729,
         .type      = AVMEDIA_TYPE_AUDIO,
         .name      = "g729",
@@ -2611,7 +2770,7 @@ static const AVCodecDescriptor codec_descriptors[] = {
         .type      = AVMEDIA_TYPE_AUDIO,
         .name      = "tak",
         .long_name = NULL_IF_CONFIG_SMALL("TAK (Tom's lossless Audio Kompressor)"),
-        .props     = AV_CODEC_PROP_LOSSLESS,
+        .props     = AV_CODEC_PROP_INTRA_ONLY | AV_CODEC_PROP_LOSSLESS,
     },
     {
         .id        = AV_CODEC_ID_METASOUND,
@@ -2949,6 +3108,12 @@ static const AVCodecDescriptor codec_descriptors[] = {
         .long_name = NULL_IF_CONFIG_SMALL("binary data"),
         .mime_types= MT("application/octet-stream"),
     },
+    {
+        .id        = AV_CODEC_ID_SCTE_35,
+        .type      = AVMEDIA_TYPE_DATA,
+        .name      = "scte_35",
+        .long_name = NULL_IF_CONFIG_SMALL("SCTE 35 Message Queue"),
+    },
 
     /* deprecated codec ids */
 };
diff --git a/media/ffvpx/libavcodec/dct.h b/media/ffvpx/libavcodec/dct.h
index 05297ba9d..0a03e256d 100644
--- a/media/ffvpx/libavcodec/dct.h
+++ b/media/ffvpx/libavcodec/dct.h
@@ -24,6 +24,7 @@
 #if !defined(AVCODEC_DCT_H) && (!defined(FFT_FLOAT) || FFT_FLOAT)
 #define AVCODEC_DCT_H
 
+#include <stddef.h>
 #include <stdint.h>
 
 #include "rdft.h"
@@ -62,7 +63,7 @@ void ff_j_rev_dct(int16_t *data);
 void ff_j_rev_dct4(int16_t *data);
 void ff_j_rev_dct2(int16_t *data);
 void ff_j_rev_dct1(int16_t *data);
-void ff_jref_idct_put(uint8_t *dest, int line_size, int16_t *block);
-void ff_jref_idct_add(uint8_t *dest, int line_size, int16_t *block);
+void ff_jref_idct_put(uint8_t *dest, ptrdiff_t line_size, int16_t *block);
+void ff_jref_idct_add(uint8_t *dest, ptrdiff_t line_size, int16_t *block);
 
 #endif /* AVCODEC_DCT_H */
diff --git a/media/ffvpx/libavcodec/decode.c b/media/ffvpx/libavcodec/decode.c
new file mode 100644
index 000000000..fb1824be1
--- /dev/null
+++ b/media/ffvpx/libavcodec/decode.c
@@ -0,0 +1,1761 @@
+/*
+ * generic decoding-related code
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <stdint.h>
+#include <string.h>
+
+#include "config.h"
+
+#if CONFIG_ICONV
+# include <iconv.h>
+#endif
+
+#include "libavutil/avassert.h"
+#include "libavutil/avstring.h"
+#include "libavutil/bprint.h"
+#include "libavutil/common.h"
+#include "libavutil/frame.h"
+#include "libavutil/hwcontext.h"
+#include "libavutil/imgutils.h"
+#include "libavutil/internal.h"
+#include "libavutil/intmath.h"
+
+#include "avcodec.h"
+#include "bytestream.h"
+#include "decode.h"
+#include "internal.h"
+#include "thread.h"
+
+static int apply_param_change(AVCodecContext *avctx, const AVPacket *avpkt)
+{
+    int size = 0, ret;
+    const uint8_t *data;
+    uint32_t flags;
+    int64_t val;
+
+    data = av_packet_get_side_data(avpkt, AV_PKT_DATA_PARAM_CHANGE, &size);
+    if (!data)
+        return 0;
+
+    if (!(avctx->codec->capabilities & AV_CODEC_CAP_PARAM_CHANGE)) {
+        av_log(avctx, AV_LOG_ERROR, "This decoder does not support parameter "
+               "changes, but PARAM_CHANGE side data was sent to it.\n");
+        ret = AVERROR(EINVAL);
+        goto fail2;
+    }
+
+    if (size < 4)
+        goto fail;
+
+    flags = bytestream_get_le32(&data);
+    size -= 4;
+
+    if (flags & AV_SIDE_DATA_PARAM_CHANGE_CHANNEL_COUNT) {
+        if (size < 4)
+            goto fail;
+        val = bytestream_get_le32(&data);
+        if (val <= 0 || val > INT_MAX) {
+            av_log(avctx, AV_LOG_ERROR, "Invalid channel count");
+            ret = AVERROR_INVALIDDATA;
+            goto fail2;
+        }
+        avctx->channels = val;
+        size -= 4;
+    }
+    if (flags & AV_SIDE_DATA_PARAM_CHANGE_CHANNEL_LAYOUT) {
+        if (size < 8)
+            goto fail;
+        avctx->channel_layout = bytestream_get_le64(&data);
+        size -= 8;
+    }
+    if (flags & AV_SIDE_DATA_PARAM_CHANGE_SAMPLE_RATE) {
+        if (size < 4)
+            goto fail;
+        val = bytestream_get_le32(&data);
+        if (val <= 0 || val > INT_MAX) {
+            av_log(avctx, AV_LOG_ERROR, "Invalid sample rate");
+            ret = AVERROR_INVALIDDATA;
+            goto fail2;
+        }
+        avctx->sample_rate = val;
+        size -= 4;
+    }
+    if (flags & AV_SIDE_DATA_PARAM_CHANGE_DIMENSIONS) {
+        if (size < 8)
+            goto fail;
+        avctx->width  = bytestream_get_le32(&data);
+        avctx->height = bytestream_get_le32(&data);
+        size -= 8;
+        ret = ff_set_dimensions(avctx, avctx->width, avctx->height);
+        if (ret < 0)
+            goto fail2;
+    }
+
+    return 0;
+fail:
+    av_log(avctx, AV_LOG_ERROR, "PARAM_CHANGE side data too small.\n");
+    ret = AVERROR_INVALIDDATA;
+fail2:
+    if (ret < 0) {
+        av_log(avctx, AV_LOG_ERROR, "Error applying parameter changes.\n");
+        if (avctx->err_recognition & AV_EF_EXPLODE)
+            return ret;
+    }
+    return 0;
+}
+
+static int extract_packet_props(AVCodecInternal *avci, const AVPacket *pkt)
+{
+    int ret = 0;
+
+    av_packet_unref(avci->last_pkt_props);
+    if (pkt) {
+        ret = av_packet_copy_props(avci->last_pkt_props, pkt);
+        if (!ret)
+            avci->last_pkt_props->size = pkt->size; // HACK: Needed for ff_init_buffer_info().
+    }
+    return ret;
+}
+
+static int unrefcount_frame(AVCodecInternal *avci, AVFrame *frame)
+{
+    int ret;
+
+    /* move the original frame to our backup */
+    av_frame_unref(avci->to_free);
+    av_frame_move_ref(avci->to_free, frame);
+
+    /* now copy everything except the AVBufferRefs back
+     * note that we make a COPY of the side data, so calling av_frame_free() on
+     * the caller's frame will work properly */
+    ret = av_frame_copy_props(frame, avci->to_free);
+    if (ret < 0)
+        return ret;
+
+    memcpy(frame->data,     avci->to_free->data,     sizeof(frame->data));
+    memcpy(frame->linesize, avci->to_free->linesize, sizeof(frame->linesize));
+    if (avci->to_free->extended_data != avci->to_free->data) {
+        int planes = avci->to_free->channels;
+        int size   = planes * sizeof(*frame->extended_data);
+
+        if (!size) {
+            av_frame_unref(frame);
+            return AVERROR_BUG;
+        }
+
+        frame->extended_data = av_malloc(size);
+        if (!frame->extended_data) {
+            av_frame_unref(frame);
+            return AVERROR(ENOMEM);
+        }
+        memcpy(frame->extended_data, avci->to_free->extended_data,
+               size);
+    } else
+        frame->extended_data = frame->data;
+
+    frame->format         = avci->to_free->format;
+    frame->width          = avci->to_free->width;
+    frame->height         = avci->to_free->height;
+    frame->channel_layout = avci->to_free->channel_layout;
+    frame->nb_samples     = avci->to_free->nb_samples;
+    frame->channels       = avci->to_free->channels;
+
+    return 0;
+}
+
+static int bsfs_init(AVCodecContext *avctx)
+{
+    AVCodecInternal *avci = avctx->internal;
+    DecodeFilterContext *s = &avci->filter;
+    const char *bsfs_str;
+    int ret;
+
+    if (s->nb_bsfs)
+        return 0;
+
+    bsfs_str = avctx->codec->bsfs ? avctx->codec->bsfs : "null";
+    while (bsfs_str && *bsfs_str) {
+        AVBSFContext **tmp;
+        const AVBitStreamFilter *filter;
+        char *bsf;
+
+        bsf = av_get_token(&bsfs_str, ",");
+        if (!bsf) {
+            ret = AVERROR(ENOMEM);
+            goto fail;
+        }
+
+        filter = av_bsf_get_by_name(bsf);
+        if (!filter) {
+            av_log(avctx, AV_LOG_ERROR, "A non-existing bitstream filter %s "
+                   "requested by a decoder. This is a bug, please report it.\n",
+                   bsf);
+            ret = AVERROR_BUG;
+            av_freep(&bsf);
+            goto fail;
+        }
+        av_freep(&bsf);
+
+        tmp = av_realloc_array(s->bsfs, s->nb_bsfs + 1, sizeof(*s->bsfs));
+        if (!tmp) {
+            ret = AVERROR(ENOMEM);
+            goto fail;
+        }
+        s->bsfs = tmp;
+        s->nb_bsfs++;
+
+        ret = av_bsf_alloc(filter, &s->bsfs[s->nb_bsfs - 1]);
+        if (ret < 0)
+            goto fail;
+
+        if (s->nb_bsfs == 1) {
+            /* We do not currently have an API for passing the input timebase into decoders,
+             * but no filters used here should actually need it.
+             * So we make up some plausible-looking number (the MPEG 90kHz timebase) */
+            s->bsfs[s->nb_bsfs - 1]->time_base_in = (AVRational){ 1, 90000 };
+            ret = avcodec_parameters_from_context(s->bsfs[s->nb_bsfs - 1]->par_in,
+                                                  avctx);
+        } else {
+            s->bsfs[s->nb_bsfs - 1]->time_base_in = s->bsfs[s->nb_bsfs - 2]->time_base_out;
+            ret = avcodec_parameters_copy(s->bsfs[s->nb_bsfs - 1]->par_in,
+                                          s->bsfs[s->nb_bsfs - 2]->par_out);
+        }
+        if (ret < 0)
+            goto fail;
+
+        ret = av_bsf_init(s->bsfs[s->nb_bsfs - 1]);
+        if (ret < 0)
+            goto fail;
+    }
+
+    return 0;
+fail:
+    ff_decode_bsfs_uninit(avctx);
+    return ret;
+}
+
+/* try to get one output packet from the filter chain */
+static int bsfs_poll(AVCodecContext *avctx, AVPacket *pkt)
+{
+    DecodeFilterContext *s = &avctx->internal->filter;
+    int idx, ret;
+
+    /* start with the last filter in the chain */
+    idx = s->nb_bsfs - 1;
+    while (idx >= 0) {
+        /* request a packet from the currently selected filter */
+        ret = av_bsf_receive_packet(s->bsfs[idx], pkt);
+        if (ret == AVERROR(EAGAIN)) {
+            /* no packets available, try the next filter up the chain */
+            ret = 0;
+            idx--;
+            continue;
+        } else if (ret < 0 && ret != AVERROR_EOF) {
+            return ret;
+        }
+
+        /* got a packet or EOF -- pass it to the caller or to the next filter
+         * down the chain */
+        if (idx == s->nb_bsfs - 1) {
+            return ret;
+        } else {
+            idx++;
+            ret = av_bsf_send_packet(s->bsfs[idx], ret < 0 ? NULL : pkt);
+            if (ret < 0) {
+                av_log(avctx, AV_LOG_ERROR,
+                       "Error pre-processing a packet before decoding\n");
+                av_packet_unref(pkt);
+                return ret;
+            }
+        }
+    }
+
+    return AVERROR(EAGAIN);
+}
+
+int ff_decode_get_packet(AVCodecContext *avctx, AVPacket *pkt)
+{
+    AVCodecInternal *avci = avctx->internal;
+    int ret;
+
+    if (avci->draining)
+        return AVERROR_EOF;
+
+    ret = bsfs_poll(avctx, pkt);
+    if (ret == AVERROR_EOF)
+        avci->draining = 1;
+    if (ret < 0)
+        return ret;
+
+    ret = extract_packet_props(avctx->internal, pkt);
+    if (ret < 0)
+        goto finish;
+
+    ret = apply_param_change(avctx, pkt);
+    if (ret < 0)
+        goto finish;
+
+    if (avctx->codec->receive_frame)
+        avci->compat_decode_consumed += pkt->size;
+
+    return 0;
+finish:
+    av_packet_unref(pkt);
+    return ret;
+}
+
+/**
+ * Attempt to guess proper monotonic timestamps for decoded video frames
+ * which might have incorrect times. Input timestamps may wrap around, in
+ * which case the output will as well.
+ *
+ * @param pts the pts field of the decoded AVPacket, as passed through
+ * AVFrame.pts
+ * @param dts the dts field of the decoded AVPacket
+ * @return one of the input values, may be AV_NOPTS_VALUE
+ */
+static int64_t guess_correct_pts(AVCodecContext *ctx,
+                                 int64_t reordered_pts, int64_t dts)
+{
+    int64_t pts = AV_NOPTS_VALUE;
+
+    if (dts != AV_NOPTS_VALUE) {
+        ctx->pts_correction_num_faulty_dts += dts <= ctx->pts_correction_last_dts;
+        ctx->pts_correction_last_dts = dts;
+    } else if (reordered_pts != AV_NOPTS_VALUE)
+        ctx->pts_correction_last_dts = reordered_pts;
+
+    if (reordered_pts != AV_NOPTS_VALUE) {
+        ctx->pts_correction_num_faulty_pts += reordered_pts <= ctx->pts_correction_last_pts;
+        ctx->pts_correction_last_pts = reordered_pts;
+    } else if(dts != AV_NOPTS_VALUE)
+        ctx->pts_correction_last_pts = dts;
+
+    if ((ctx->pts_correction_num_faulty_pts<=ctx->pts_correction_num_faulty_dts || dts == AV_NOPTS_VALUE)
+       && reordered_pts != AV_NOPTS_VALUE)
+        pts = reordered_pts;
+    else
+        pts = dts;
+
+    return pts;
+}
+
+/*
+ * The core of the receive_frame_wrapper for the decoders implementing
+ * the simple API. Certain decoders might consume partial packets without
+ * returning any output, so this function needs to be called in a loop until it
+ * returns EAGAIN.
+ **/
+static int decode_simple_internal(AVCodecContext *avctx, AVFrame *frame)
+{
+    AVCodecInternal   *avci = avctx->internal;
+    DecodeSimpleContext *ds = &avci->ds;
+    AVPacket           *pkt = ds->in_pkt;
+    // copy to ensure we do not change pkt
+    AVPacket tmp;
+    int got_frame, actual_got_frame, did_split;
+    int ret;
+
+    if (!pkt->data && !avci->draining) {
+        av_packet_unref(pkt);
+        ret = ff_decode_get_packet(avctx, pkt);
+        if (ret < 0 && ret != AVERROR_EOF)
+            return ret;
+    }
+
+    // Some codecs (at least wma lossless) will crash when feeding drain packets
+    // after EOF was signaled.
+    if (avci->draining_done)
+        return AVERROR_EOF;
+
+    if (!pkt->data &&
+        !(avctx->codec->capabilities & AV_CODEC_CAP_DELAY ||
+          avctx->active_thread_type & FF_THREAD_FRAME))
+        return AVERROR_EOF;
+
+    tmp = *pkt;
+#if FF_API_MERGE_SD
+FF_DISABLE_DEPRECATION_WARNINGS
+    did_split = avci->compat_decode_partial_size ?
+                ff_packet_split_and_drop_side_data(&tmp) :
+                av_packet_split_side_data(&tmp);
+
+    if (did_split) {
+        ret = extract_packet_props(avctx->internal, &tmp);
+        if (ret < 0)
+            return ret;
+
+        ret = apply_param_change(avctx, &tmp);
+        if (ret < 0)
+            return ret;
+    }
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
+
+    got_frame = 0;
+
+    if (HAVE_THREADS && avctx->active_thread_type & FF_THREAD_FRAME) {
+        ret = ff_thread_decode_frame(avctx, frame, &got_frame, &tmp);
+    } else {
+        ret = avctx->codec->decode(avctx, frame, &got_frame, &tmp);
+
+        if (!(avctx->codec->caps_internal & FF_CODEC_CAP_SETS_PKT_DTS))
+            frame->pkt_dts = pkt->dts;
+        if (avctx->codec->type == AVMEDIA_TYPE_VIDEO) {
+            if(!avctx->has_b_frames)
+                frame->pkt_pos = pkt->pos;
+            //FIXME these should be under if(!avctx->has_b_frames)
+            /* get_buffer is supposed to set frame parameters */
+            if (!(avctx->codec->capabilities & AV_CODEC_CAP_DR1)) {
+                if (!frame->sample_aspect_ratio.num)  frame->sample_aspect_ratio = avctx->sample_aspect_ratio;
+                if (!frame->width)                    frame->width               = avctx->width;
+                if (!frame->height)                   frame->height              = avctx->height;
+                if (frame->format == AV_PIX_FMT_NONE) frame->format              = avctx->pix_fmt;
+            }
+        }
+    }
+    emms_c();
+    actual_got_frame = got_frame;
+
+    if (avctx->codec->type == AVMEDIA_TYPE_VIDEO) {
+        if (frame->flags & AV_FRAME_FLAG_DISCARD)
+            got_frame = 0;
+        if (got_frame)
+            frame->best_effort_timestamp = guess_correct_pts(avctx,
+                                                             frame->pts,
+                                                             frame->pkt_dts);
+    } else if (avctx->codec->type == AVMEDIA_TYPE_AUDIO) {
+        uint8_t *side;
+        int side_size;
+        uint32_t discard_padding = 0;
+        uint8_t skip_reason = 0;
+        uint8_t discard_reason = 0;
+
+        if (ret >= 0 && got_frame) {
+            frame->best_effort_timestamp = guess_correct_pts(avctx,
+                                                             frame->pts,
+                                                             frame->pkt_dts);
+            if (frame->format == AV_SAMPLE_FMT_NONE)
+                frame->format = avctx->sample_fmt;
+            if (!frame->channel_layout)
+                frame->channel_layout = avctx->channel_layout;
+            if (!frame->channels)
+                frame->channels = avctx->channels;
+            if (!frame->sample_rate)
+                frame->sample_rate = avctx->sample_rate;
+        }
+
+        side= av_packet_get_side_data(avci->last_pkt_props, AV_PKT_DATA_SKIP_SAMPLES, &side_size);
+        if(side && side_size>=10) {
+            avctx->internal->skip_samples = AV_RL32(side) * avctx->internal->skip_samples_multiplier;
+            discard_padding = AV_RL32(side + 4);
+            av_log(avctx, AV_LOG_DEBUG, "skip %d / discard %d samples due to side data\n",
+                   avctx->internal->skip_samples, (int)discard_padding);
+            skip_reason = AV_RL8(side + 8);
+            discard_reason = AV_RL8(side + 9);
+        }
+
+        if ((frame->flags & AV_FRAME_FLAG_DISCARD) && got_frame &&
+            !(avctx->flags2 & AV_CODEC_FLAG2_SKIP_MANUAL)) {
+            avctx->internal->skip_samples = FFMAX(0, avctx->internal->skip_samples - frame->nb_samples);
+            got_frame = 0;
+        }
+
+        if (avctx->internal->skip_samples > 0 && got_frame &&
+            !(avctx->flags2 & AV_CODEC_FLAG2_SKIP_MANUAL)) {
+            if(frame->nb_samples <= avctx->internal->skip_samples){
+                got_frame = 0;
+                avctx->internal->skip_samples -= frame->nb_samples;
+                av_log(avctx, AV_LOG_DEBUG, "skip whole frame, skip left: %d\n",
+                       avctx->internal->skip_samples);
+            } else {
+                av_samples_copy(frame->extended_data, frame->extended_data, 0, avctx->internal->skip_samples,
+                                frame->nb_samples - avctx->internal->skip_samples, avctx->channels, frame->format);
+                if(avctx->pkt_timebase.num && avctx->sample_rate) {
+                    int64_t diff_ts = av_rescale_q(avctx->internal->skip_samples,
+                                                   (AVRational){1, avctx->sample_rate},
+                                                   avctx->pkt_timebase);
+                    if(frame->pts!=AV_NOPTS_VALUE)
+                        frame->pts += diff_ts;
+#if FF_API_PKT_PTS
+FF_DISABLE_DEPRECATION_WARNINGS
+                    if(frame->pkt_pts!=AV_NOPTS_VALUE)
+                        frame->pkt_pts += diff_ts;
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
+                    if(frame->pkt_dts!=AV_NOPTS_VALUE)
+                        frame->pkt_dts += diff_ts;
+                    if (frame->pkt_duration >= diff_ts)
+                        frame->pkt_duration -= diff_ts;
+                } else {
+                    av_log(avctx, AV_LOG_WARNING, "Could not update timestamps for skipped samples.\n");
+                }
+                av_log(avctx, AV_LOG_DEBUG, "skip %d/%d samples\n",
+                       avctx->internal->skip_samples, frame->nb_samples);
+                frame->nb_samples -= avctx->internal->skip_samples;
+                avctx->internal->skip_samples = 0;
+            }
+        }
+
+        if (discard_padding > 0 && discard_padding <= frame->nb_samples && got_frame &&
+            !(avctx->flags2 & AV_CODEC_FLAG2_SKIP_MANUAL)) {
+            if (discard_padding == frame->nb_samples) {
+                got_frame = 0;
+            } else {
+                if(avctx->pkt_timebase.num && avctx->sample_rate) {
+                    int64_t diff_ts = av_rescale_q(frame->nb_samples - discard_padding,
+                                                   (AVRational){1, avctx->sample_rate},
+                                                   avctx->pkt_timebase);
+                    frame->pkt_duration = diff_ts;
+                } else {
+                    av_log(avctx, AV_LOG_WARNING, "Could not update timestamps for discarded samples.\n");
+                }
+                av_log(avctx, AV_LOG_DEBUG, "discard %d/%d samples\n",
+                       (int)discard_padding, frame->nb_samples);
+                frame->nb_samples -= discard_padding;
+            }
+        }
+
+        if ((avctx->flags2 & AV_CODEC_FLAG2_SKIP_MANUAL) && got_frame) {
+            AVFrameSideData *fside = av_frame_new_side_data(frame, AV_FRAME_DATA_SKIP_SAMPLES, 10);
+            if (fside) {
+                AV_WL32(fside->data, avctx->internal->skip_samples);
+                AV_WL32(fside->data + 4, discard_padding);
+                AV_WL8(fside->data + 8, skip_reason);
+                AV_WL8(fside->data + 9, discard_reason);
+                avctx->internal->skip_samples = 0;
+            }
+        }
+    }
+#if FF_API_MERGE_SD
+    if (did_split) {
+        av_packet_free_side_data(&tmp);
+        if(ret == tmp.size)
+            ret = pkt->size;
+    }
+#endif
+
+    if (avctx->codec->type == AVMEDIA_TYPE_AUDIO &&
+        !avci->showed_multi_packet_warning &&
+        ret >= 0 && ret != pkt->size && !(avctx->codec->capabilities & AV_CODEC_CAP_SUBFRAMES)) {
+        av_log(avctx, AV_LOG_WARNING, "Multiple frames in a packet.\n");
+        avci->showed_multi_packet_warning = 1;
+    }
+
+    if (!got_frame)
+        av_frame_unref(frame);
+
+    if (ret >= 0 && avctx->codec->type == AVMEDIA_TYPE_VIDEO && !(avctx->flags & AV_CODEC_FLAG_TRUNCATED))
+        ret = pkt->size;
+
+#if FF_API_AVCTX_TIMEBASE
+    if (avctx->framerate.num > 0 && avctx->framerate.den > 0)
+        avctx->time_base = av_inv_q(av_mul_q(avctx->framerate, (AVRational){avctx->ticks_per_frame, 1}));
+#endif
+
+    /* do not stop draining when actual_got_frame != 0 or ret < 0 */
+    /* got_frame == 0 but actual_got_frame != 0 when frame is discarded */
+    if (avctx->internal->draining && !actual_got_frame) {
+        if (ret < 0) {
+            /* prevent infinite loop if a decoder wrongly always return error on draining */
+            /* reasonable nb_errors_max = maximum b frames + thread count */
+            int nb_errors_max = 20 + (HAVE_THREADS && avctx->active_thread_type & FF_THREAD_FRAME ?
+                                avctx->thread_count : 1);
+
+            if (avci->nb_draining_errors++ >= nb_errors_max) {
+                av_log(avctx, AV_LOG_ERROR, "Too many errors when draining, this is a bug. "
+                       "Stop draining and force EOF.\n");
+                avci->draining_done = 1;
+                ret = AVERROR_BUG;
+            }
+        } else {
+            avci->draining_done = 1;
+        }
+    }
+
+    avci->compat_decode_consumed += ret;
+
+    if (ret >= pkt->size || ret < 0) {
+        av_packet_unref(pkt);
+    } else {
+        int consumed = ret;
+
+        pkt->data                += consumed;
+        pkt->size                -= consumed;
+        avci->last_pkt_props->size -= consumed; // See extract_packet_props() comment.
+        pkt->pts                  = AV_NOPTS_VALUE;
+        pkt->dts                  = AV_NOPTS_VALUE;
+        avci->last_pkt_props->pts = AV_NOPTS_VALUE;
+        avci->last_pkt_props->dts = AV_NOPTS_VALUE;
+    }
+
+    if (got_frame)
+        av_assert0(frame->buf[0]);
+
+    return ret < 0 ? ret : 0;
+}
+
+static int decode_simple_receive_frame(AVCodecContext *avctx, AVFrame *frame)
+{
+    int ret;
+
+    while (!frame->buf[0]) {
+        ret = decode_simple_internal(avctx, frame);
+        if (ret < 0)
+            return ret;
+    }
+
+    return 0;
+}
+
+static int decode_receive_frame_internal(AVCodecContext *avctx, AVFrame *frame)
+{
+    AVCodecInternal *avci = avctx->internal;
+    int ret;
+
+    av_assert0(!frame->buf[0]);
+
+    if (avctx->codec->receive_frame)
+        ret = avctx->codec->receive_frame(avctx, frame);
+    else
+        ret = decode_simple_receive_frame(avctx, frame);
+
+    if (ret == AVERROR_EOF)
+        avci->draining_done = 1;
+
+    return ret;
+}
+
+int attribute_align_arg avcodec_send_packet(AVCodecContext *avctx, const AVPacket *avpkt)
+{
+    AVCodecInternal *avci = avctx->internal;
+    int ret;
+
+    if (!avcodec_is_open(avctx) || !av_codec_is_decoder(avctx->codec))
+        return AVERROR(EINVAL);
+
+    if (avctx->internal->draining)
+        return AVERROR_EOF;
+
+    if (avpkt && !avpkt->size && avpkt->data)
+        return AVERROR(EINVAL);
+
+    ret = bsfs_init(avctx);
+    if (ret < 0)
+        return ret;
+
+    av_packet_unref(avci->buffer_pkt);
+    if (avpkt && (avpkt->data || avpkt->side_data_elems)) {
+        ret = av_packet_ref(avci->buffer_pkt, avpkt);
+        if (ret < 0)
+            return ret;
+    }
+
+    ret = av_bsf_send_packet(avci->filter.bsfs[0], avci->buffer_pkt);
+    if (ret < 0) {
+        av_packet_unref(avci->buffer_pkt);
+        return ret;
+    }
+
+    if (!avci->buffer_frame->buf[0]) {
+        ret = decode_receive_frame_internal(avctx, avci->buffer_frame);
+        if (ret < 0 && ret != AVERROR(EAGAIN) && ret != AVERROR_EOF)
+            return ret;
+    }
+
+    return 0;
+}
+
+static int apply_cropping(AVCodecContext *avctx, AVFrame *frame)
+{
+    /* make sure we are noisy about decoders returning invalid cropping data */
+    if (frame->crop_left >= INT_MAX - frame->crop_right        ||
+        frame->crop_top  >= INT_MAX - frame->crop_bottom       ||
+        (frame->crop_left + frame->crop_right) >= frame->width ||
+        (frame->crop_top + frame->crop_bottom) >= frame->height) {
+        av_log(avctx, AV_LOG_WARNING,
+               "Invalid cropping information set by a decoder: "
+               "%"SIZE_SPECIFIER"/%"SIZE_SPECIFIER"/%"SIZE_SPECIFIER"/%"SIZE_SPECIFIER" "
+               "(frame size %dx%d). This is a bug, please report it\n",
+               frame->crop_left, frame->crop_right, frame->crop_top, frame->crop_bottom,
+               frame->width, frame->height);
+        frame->crop_left   = 0;
+        frame->crop_right  = 0;
+        frame->crop_top    = 0;
+        frame->crop_bottom = 0;
+        return 0;
+    }
+
+    if (!avctx->apply_cropping)
+        return 0;
+
+    return av_frame_apply_cropping(frame, avctx->flags & AV_CODEC_FLAG_UNALIGNED ?
+                                          AV_FRAME_CROP_UNALIGNED : 0);
+}
+
+int attribute_align_arg avcodec_receive_frame(AVCodecContext *avctx, AVFrame *frame)
+{
+    AVCodecInternal *avci = avctx->internal;
+    int ret;
+
+    av_frame_unref(frame);
+
+    if (!avcodec_is_open(avctx) || !av_codec_is_decoder(avctx->codec))
+        return AVERROR(EINVAL);
+
+    ret = bsfs_init(avctx);
+    if (ret < 0)
+        return ret;
+
+    if (avci->buffer_frame->buf[0]) {
+        av_frame_move_ref(frame, avci->buffer_frame);
+    } else {
+        ret = decode_receive_frame_internal(avctx, frame);
+        if (ret < 0)
+            return ret;
+    }
+
+    if (avctx->codec_type == AVMEDIA_TYPE_VIDEO) {
+        ret = apply_cropping(avctx, frame);
+        if (ret < 0) {
+            av_frame_unref(frame);
+            return ret;
+        }
+    }
+
+    avctx->frame_number++;
+
+    return 0;
+}
+
+static int compat_decode(AVCodecContext *avctx, AVFrame *frame,
+                         int *got_frame, const AVPacket *pkt)
+{
+    AVCodecInternal *avci = avctx->internal;
+    int ret = 0;
+
+    av_assert0(avci->compat_decode_consumed == 0);
+
+    if (avci->draining_done && pkt && pkt->size != 0) {
+        av_log(avctx, AV_LOG_WARNING, "Got unexpected packet after EOF\n");
+        avcodec_flush_buffers(avctx);
+    }
+
+    *got_frame = 0;
+    avci->compat_decode = 1;
+
+    if (avci->compat_decode_partial_size > 0 &&
+        avci->compat_decode_partial_size != pkt->size) {
+        av_log(avctx, AV_LOG_ERROR,
+               "Got unexpected packet size after a partial decode\n");
+        ret = AVERROR(EINVAL);
+        goto finish;
+    }
+
+    if (!avci->compat_decode_partial_size) {
+        ret = avcodec_send_packet(avctx, pkt);
+        if (ret == AVERROR_EOF)
+            ret = 0;
+        else if (ret == AVERROR(EAGAIN)) {
+            /* we fully drain all the output in each decode call, so this should not
+             * ever happen */
+            ret = AVERROR_BUG;
+            goto finish;
+        } else if (ret < 0)
+            goto finish;
+    }
+
+    while (ret >= 0) {
+        ret = avcodec_receive_frame(avctx, frame);
+        if (ret < 0) {
+            if (ret == AVERROR(EAGAIN) || ret == AVERROR_EOF)
+                ret = 0;
+            goto finish;
+        }
+
+        if (frame != avci->compat_decode_frame) {
+            if (!avctx->refcounted_frames) {
+                ret = unrefcount_frame(avci, frame);
+                if (ret < 0)
+                    goto finish;
+            }
+
+            *got_frame = 1;
+            frame = avci->compat_decode_frame;
+        } else {
+            if (!avci->compat_decode_warned) {
+                av_log(avctx, AV_LOG_WARNING, "The deprecated avcodec_decode_* "
+                       "API cannot return all the frames for this decoder. "
+                       "Some frames will be dropped. Update your code to the "
+                       "new decoding API to fix this.\n");
+                avci->compat_decode_warned = 1;
+            }
+        }
+
+        if (avci->draining || (!avctx->codec->bsfs && avci->compat_decode_consumed < pkt->size))
+            break;
+    }
+
+finish:
+    if (ret == 0) {
+        /* if there are any bsfs then assume full packet is always consumed */
+        if (avctx->codec->bsfs)
+            ret = pkt->size;
+        else
+            ret = FFMIN(avci->compat_decode_consumed, pkt->size);
+    }
+    avci->compat_decode_consumed = 0;
+    avci->compat_decode_partial_size = (ret >= 0) ? pkt->size - ret : 0;
+
+    return ret;
+}
+
+int attribute_align_arg avcodec_decode_video2(AVCodecContext *avctx, AVFrame *picture,
+                                              int *got_picture_ptr,
+                                              const AVPacket *avpkt)
+{
+    return compat_decode(avctx, picture, got_picture_ptr, avpkt);
+}
+
+int attribute_align_arg avcodec_decode_audio4(AVCodecContext *avctx,
+                                              AVFrame *frame,
+                                              int *got_frame_ptr,
+                                              const AVPacket *avpkt)
+{
+    return compat_decode(avctx, frame, got_frame_ptr, avpkt);
+}
+
+static void get_subtitle_defaults(AVSubtitle *sub)
+{
+    memset(sub, 0, sizeof(*sub));
+    sub->pts = AV_NOPTS_VALUE;
+}
+
+#define UTF8_MAX_BYTES 4 /* 5 and 6 bytes sequences should not be used */
+static int recode_subtitle(AVCodecContext *avctx,
+                           AVPacket *outpkt, const AVPacket *inpkt)
+{
+#if CONFIG_ICONV
+    iconv_t cd = (iconv_t)-1;
+    int ret = 0;
+    char *inb, *outb;
+    size_t inl, outl;
+    AVPacket tmp;
+#endif
+
+    if (avctx->sub_charenc_mode != FF_SUB_CHARENC_MODE_PRE_DECODER || inpkt->size == 0)
+        return 0;
+
+#if CONFIG_ICONV
+    cd = iconv_open("UTF-8", avctx->sub_charenc);
+    av_assert0(cd != (iconv_t)-1);
+
+    inb = inpkt->data;
+    inl = inpkt->size;
+
+    if (inl >= INT_MAX / UTF8_MAX_BYTES - AV_INPUT_BUFFER_PADDING_SIZE) {
+        av_log(avctx, AV_LOG_ERROR, "Subtitles packet is too big for recoding\n");
+        ret = AVERROR(ENOMEM);
+        goto end;
+    }
+
+    ret = av_new_packet(&tmp, inl * UTF8_MAX_BYTES);
+    if (ret < 0)
+        goto end;
+    outpkt->buf  = tmp.buf;
+    outpkt->data = tmp.data;
+    outpkt->size = tmp.size;
+    outb = outpkt->data;
+    outl = outpkt->size;
+
+    if (iconv(cd, &inb, &inl, &outb, &outl) == (size_t)-1 ||
+        iconv(cd, NULL, NULL, &outb, &outl) == (size_t)-1 ||
+        outl >= outpkt->size || inl != 0) {
+        ret = FFMIN(AVERROR(errno), -1);
+        av_log(avctx, AV_LOG_ERROR, "Unable to recode subtitle event \"%s\" "
+               "from %s to UTF-8\n", inpkt->data, avctx->sub_charenc);
+        av_packet_unref(&tmp);
+        goto end;
+    }
+    outpkt->size -= outl;
+    memset(outpkt->data + outpkt->size, 0, outl);
+
+end:
+    if (cd != (iconv_t)-1)
+        iconv_close(cd);
+    return ret;
+#else
+    av_log(avctx, AV_LOG_ERROR, "requesting subtitles recoding without iconv");
+    return AVERROR(EINVAL);
+#endif
+}
+
+static int utf8_check(const uint8_t *str)
+{
+    const uint8_t *byte;
+    uint32_t codepoint, min;
+
+    while (*str) {
+        byte = str;
+        GET_UTF8(codepoint, *(byte++), return 0;);
+        min = byte - str == 1 ? 0 : byte - str == 2 ? 0x80 :
+              1 << (5 * (byte - str) - 4);
+        if (codepoint < min || codepoint >= 0x110000 ||
+            codepoint == 0xFFFE /* BOM */ ||
+            codepoint >= 0xD800 && codepoint <= 0xDFFF /* surrogates */)
+            return 0;
+        str = byte;
+    }
+    return 1;
+}
+
+#if FF_API_ASS_TIMING
+static void insert_ts(AVBPrint *buf, int ts)
+{
+    if (ts == -1) {
+        av_bprintf(buf, "9:59:59.99,");
+    } else {
+        int h, m, s;
+
+        h = ts/360000;  ts -= 360000*h;
+        m = ts/  6000;  ts -=   6000*m;
+        s = ts/   100;  ts -=    100*s;
+        av_bprintf(buf, "%d:%02d:%02d.%02d,", h, m, s, ts);
+    }
+}
+
+static int convert_sub_to_old_ass_form(AVSubtitle *sub, const AVPacket *pkt, AVRational tb)
+{
+    int i;
+    AVBPrint buf;
+
+    av_bprint_init(&buf, 0, AV_BPRINT_SIZE_UNLIMITED);
+
+    for (i = 0; i < sub->num_rects; i++) {
+        char *final_dialog;
+        const char *dialog;
+        AVSubtitleRect *rect = sub->rects[i];
+        int ts_start, ts_duration = -1;
+        long int layer;
+
+        if (rect->type != SUBTITLE_ASS || !strncmp(rect->ass, "Dialogue: ", 10))
+            continue;
+
+        av_bprint_clear(&buf);
+
+        /* skip ReadOrder */
+        dialog = strchr(rect->ass, ',');
+        if (!dialog)
+            continue;
+        dialog++;
+
+        /* extract Layer or Marked */
+        layer = strtol(dialog, (char**)&dialog, 10);
+        if (*dialog != ',')
+            continue;
+        dialog++;
+
+        /* rescale timing to ASS time base (ms) */
+        ts_start = av_rescale_q(pkt->pts, tb, av_make_q(1, 100));
+        if (pkt->duration != -1)
+            ts_duration = av_rescale_q(pkt->duration, tb, av_make_q(1, 100));
+        sub->end_display_time = FFMAX(sub->end_display_time, 10 * ts_duration);
+
+        /* construct ASS (standalone file form with timestamps) string */
+        av_bprintf(&buf, "Dialogue: %ld,", layer);
+        insert_ts(&buf, ts_start);
+        insert_ts(&buf, ts_duration == -1 ? -1 : ts_start + ts_duration);
+        av_bprintf(&buf, "%s\r\n", dialog);
+
+        final_dialog = av_strdup(buf.str);
+        if (!av_bprint_is_complete(&buf) || !final_dialog) {
+            av_freep(&final_dialog);
+            av_bprint_finalize(&buf, NULL);
+            return AVERROR(ENOMEM);
+        }
+        av_freep(&rect->ass);
+        rect->ass = final_dialog;
+    }
+
+    av_bprint_finalize(&buf, NULL);
+    return 0;
+}
+#endif
+
+int avcodec_decode_subtitle2(AVCodecContext *avctx, AVSubtitle *sub,
+                             int *got_sub_ptr,
+                             AVPacket *avpkt)
+{
+    int i, ret = 0;
+    AVCodecInternal *avci = avctx->internal;
+
+    if (!avpkt->data && avpkt->size) {
+        av_log(avctx, AV_LOG_ERROR, "invalid packet: NULL data, size != 0\n");
+        return AVERROR(EINVAL);
+    }
+    if (!avctx->codec)
+        return AVERROR(EINVAL);
+    if (avctx->codec->type != AVMEDIA_TYPE_SUBTITLE) {
+        av_log(avctx, AV_LOG_ERROR, "Invalid media type for subtitles\n");
+        return AVERROR(EINVAL);
+    }
+
+    *got_sub_ptr = 0;
+    get_subtitle_defaults(sub);
+
+    if ((avctx->codec->capabilities & AV_CODEC_CAP_DELAY) || avpkt->size) {
+        AVPacket pkt_recoded;
+        AVPacket tmp = *avpkt;
+#if FF_API_MERGE_SD
+FF_DISABLE_DEPRECATION_WARNINGS
+        int did_split = avci->compat_decode_partial_size ?
+                        ff_packet_split_and_drop_side_data(&tmp) :
+                        av_packet_split_side_data(&tmp);
+        //apply_param_change(avctx, &tmp);
+
+        if (did_split) {
+            /* FFMIN() prevents overflow in case the packet wasn't allocated with
+             * proper padding.
+             * If the side data is smaller than the buffer padding size, the
+             * remaining bytes should have already been filled with zeros by the
+             * original packet allocation anyway. */
+            memset(tmp.data + tmp.size, 0,
+                   FFMIN(avpkt->size - tmp.size, AV_INPUT_BUFFER_PADDING_SIZE));
+        }
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
+
+        pkt_recoded = tmp;
+        ret = recode_subtitle(avctx, &pkt_recoded, &tmp);
+        if (ret < 0) {
+            *got_sub_ptr = 0;
+        } else {
+             ret = extract_packet_props(avctx->internal, &pkt_recoded);
+             if (ret < 0)
+                return ret;
+
+            if (avctx->pkt_timebase.num && avpkt->pts != AV_NOPTS_VALUE)
+                sub->pts = av_rescale_q(avpkt->pts,
+                                        avctx->pkt_timebase, AV_TIME_BASE_Q);
+            ret = avctx->codec->decode(avctx, sub, got_sub_ptr, &pkt_recoded);
+            av_assert1((ret >= 0) >= !!*got_sub_ptr &&
+                       !!*got_sub_ptr >= !!sub->num_rects);
+
+#if FF_API_ASS_TIMING
+            if (avctx->sub_text_format == FF_SUB_TEXT_FMT_ASS_WITH_TIMINGS
+                && *got_sub_ptr && sub->num_rects) {
+                const AVRational tb = avctx->pkt_timebase.num ? avctx->pkt_timebase
+                                                              : avctx->time_base;
+                int err = convert_sub_to_old_ass_form(sub, avpkt, tb);
+                if (err < 0)
+                    ret = err;
+            }
+#endif
+
+            if (sub->num_rects && !sub->end_display_time && avpkt->duration &&
+                avctx->pkt_timebase.num) {
+                AVRational ms = { 1, 1000 };
+                sub->end_display_time = av_rescale_q(avpkt->duration,
+                                                     avctx->pkt_timebase, ms);
+            }
+
+            if (avctx->codec_descriptor->props & AV_CODEC_PROP_BITMAP_SUB)
+                sub->format = 0;
+            else if (avctx->codec_descriptor->props & AV_CODEC_PROP_TEXT_SUB)
+                sub->format = 1;
+
+            for (i = 0; i < sub->num_rects; i++) {
+                if (sub->rects[i]->ass && !utf8_check(sub->rects[i]->ass)) {
+                    av_log(avctx, AV_LOG_ERROR,
+                           "Invalid UTF-8 in decoded subtitles text; "
+                           "maybe missing -sub_charenc option\n");
+                    avsubtitle_free(sub);
+                    ret = AVERROR_INVALIDDATA;
+                    break;
+                }
+            }
+
+            if (tmp.data != pkt_recoded.data) { // did we recode?
+                /* prevent from destroying side data from original packet */
+                pkt_recoded.side_data = NULL;
+                pkt_recoded.side_data_elems = 0;
+
+                av_packet_unref(&pkt_recoded);
+            }
+        }
+
+#if FF_API_MERGE_SD
+        if (did_split) {
+            av_packet_free_side_data(&tmp);
+            if(ret == tmp.size)
+                ret = avpkt->size;
+        }
+#endif
+
+        if (*got_sub_ptr)
+            avctx->frame_number++;
+    }
+
+    return ret;
+}
+
+static int is_hwaccel_pix_fmt(enum AVPixelFormat pix_fmt)
+{
+    const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
+    return desc->flags & AV_PIX_FMT_FLAG_HWACCEL;
+}
+
+enum AVPixelFormat avcodec_default_get_format(struct AVCodecContext *s, const enum AVPixelFormat *fmt)
+{
+    while (*fmt != AV_PIX_FMT_NONE && is_hwaccel_pix_fmt(*fmt))
+        ++fmt;
+    return fmt[0];
+}
+
+static AVHWAccel *find_hwaccel(enum AVCodecID codec_id,
+                               enum AVPixelFormat pix_fmt)
+{
+    AVHWAccel *hwaccel = NULL;
+
+    while ((hwaccel = av_hwaccel_next(hwaccel)))
+        if (hwaccel->id == codec_id
+            && hwaccel->pix_fmt == pix_fmt)
+            return hwaccel;
+    return NULL;
+}
+
+static int setup_hwaccel(AVCodecContext *avctx,
+                         const enum AVPixelFormat fmt,
+                         const char *name)
+{
+    AVHWAccel *hwa = find_hwaccel(avctx->codec_id, fmt);
+    int ret        = 0;
+
+    if (!hwa) {
+        av_log(avctx, AV_LOG_ERROR,
+               "Could not find an AVHWAccel for the pixel format: %s",
+               name);
+        return AVERROR(ENOENT);
+    }
+
+    if (hwa->capabilities & AV_HWACCEL_CODEC_CAP_EXPERIMENTAL &&
+        avctx->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
+        av_log(avctx, AV_LOG_WARNING, "Ignoring experimental hwaccel: %s\n",
+               hwa->name);
+        return AVERROR_PATCHWELCOME;
+    }
+
+    if (hwa->priv_data_size) {
+        avctx->internal->hwaccel_priv_data = av_mallocz(hwa->priv_data_size);
+        if (!avctx->internal->hwaccel_priv_data)
+            return AVERROR(ENOMEM);
+    }
+
+    avctx->hwaccel = hwa;
+    if (hwa->init) {
+        ret = hwa->init(avctx);
+        if (ret < 0) {
+            av_freep(&avctx->internal->hwaccel_priv_data);
+            avctx->hwaccel = NULL;
+            return ret;
+        }
+    }
+
+    return 0;
+}
+
+int ff_get_format(AVCodecContext *avctx, const enum AVPixelFormat *fmt)
+{
+    const AVPixFmtDescriptor *desc;
+    enum AVPixelFormat *choices;
+    enum AVPixelFormat ret;
+    unsigned n = 0;
+
+    while (fmt[n] != AV_PIX_FMT_NONE)
+        ++n;
+
+    av_assert0(n >= 1);
+    avctx->sw_pix_fmt = fmt[n - 1];
+    av_assert2(!is_hwaccel_pix_fmt(avctx->sw_pix_fmt));
+
+    choices = av_malloc_array(n + 1, sizeof(*choices));
+    if (!choices)
+        return AV_PIX_FMT_NONE;
+
+    memcpy(choices, fmt, (n + 1) * sizeof(*choices));
+
+    for (;;) {
+        if (avctx->hwaccel && avctx->hwaccel->uninit)
+            avctx->hwaccel->uninit(avctx);
+        av_freep(&avctx->internal->hwaccel_priv_data);
+        avctx->hwaccel = NULL;
+
+        av_buffer_unref(&avctx->hw_frames_ctx);
+
+        ret = avctx->get_format(avctx, choices);
+
+        desc = av_pix_fmt_desc_get(ret);
+        if (!desc) {
+            ret = AV_PIX_FMT_NONE;
+            break;
+        }
+
+        if (!(desc->flags & AV_PIX_FMT_FLAG_HWACCEL))
+            break;
+#if FF_API_CAP_VDPAU
+        if (avctx->codec->capabilities&AV_CODEC_CAP_HWACCEL_VDPAU)
+            break;
+#endif
+
+        if (avctx->hw_frames_ctx) {
+            AVHWFramesContext *hw_frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
+            if (hw_frames_ctx->format != ret) {
+                av_log(avctx, AV_LOG_ERROR, "Format returned from get_buffer() "
+                       "does not match the format of provided AVHWFramesContext\n");
+                ret = AV_PIX_FMT_NONE;
+                break;
+            }
+        }
+
+        if (!setup_hwaccel(avctx, ret, desc->name))
+            break;
+
+        /* Remove failed hwaccel from choices */
+        for (n = 0; choices[n] != ret; n++)
+            av_assert0(choices[n] != AV_PIX_FMT_NONE);
+
+        do
+            choices[n] = choices[n + 1];
+        while (choices[n++] != AV_PIX_FMT_NONE);
+    }
+
+    av_freep(&choices);
+    return ret;
+}
+
+static int update_frame_pool(AVCodecContext *avctx, AVFrame *frame)
+{
+    FramePool *pool = avctx->internal->pool;
+    int i, ret;
+
+    switch (avctx->codec_type) {
+    case AVMEDIA_TYPE_VIDEO: {
+        uint8_t *data[4];
+        int linesize[4];
+        int size[4] = { 0 };
+        int w = frame->width;
+        int h = frame->height;
+        int tmpsize, unaligned;
+
+        if (pool->format == frame->format &&
+            pool->width == frame->width && pool->height == frame->height)
+            return 0;
+
+        avcodec_align_dimensions2(avctx, &w, &h, pool->stride_align);
+
+        do {
+            // NOTE: do not align linesizes individually, this breaks e.g. assumptions
+            // that linesize[0] == 2*linesize[1] in the MPEG-encoder for 4:2:2
+            ret = av_image_fill_linesizes(linesize, avctx->pix_fmt, w);
+            if (ret < 0)
+                return ret;
+            // increase alignment of w for next try (rhs gives the lowest bit set in w)
+            w += w & ~(w - 1);
+
+            unaligned = 0;
+            for (i = 0; i < 4; i++)
+                unaligned |= linesize[i] % pool->stride_align[i];
+        } while (unaligned);
+
+        tmpsize = av_image_fill_pointers(data, avctx->pix_fmt, h,
+                                         NULL, linesize);
+        if (tmpsize < 0)
+            return -1;
+
+        for (i = 0; i < 3 && data[i + 1]; i++)
+            size[i] = data[i + 1] - data[i];
+        size[i] = tmpsize - (data[i] - data[0]);
+
+        for (i = 0; i < 4; i++) {
+            av_buffer_pool_uninit(&pool->pools[i]);
+            pool->linesize[i] = linesize[i];
+            if (size[i]) {
+                pool->pools[i] = av_buffer_pool_init(size[i] + 16 + STRIDE_ALIGN - 1,
+                                                     CONFIG_MEMORY_POISONING ?
+                                                        NULL :
+                                                        av_buffer_allocz);
+                if (!pool->pools[i]) {
+                    ret = AVERROR(ENOMEM);
+                    goto fail;
+                }
+            }
+        }
+        pool->format = frame->format;
+        pool->width  = frame->width;
+        pool->height = frame->height;
+
+        break;
+        }
+    case AVMEDIA_TYPE_AUDIO: {
+        int ch     = frame->channels; //av_get_channel_layout_nb_channels(frame->channel_layout);
+        int planar = av_sample_fmt_is_planar(frame->format);
+        int planes = planar ? ch : 1;
+
+        if (pool->format == frame->format && pool->planes == planes &&
+            pool->channels == ch && frame->nb_samples == pool->samples)
+            return 0;
+
+        av_buffer_pool_uninit(&pool->pools[0]);
+        ret = av_samples_get_buffer_size(&pool->linesize[0], ch,
+                                         frame->nb_samples, frame->format, 0);
+        if (ret < 0)
+            goto fail;
+
+        pool->pools[0] = av_buffer_pool_init(pool->linesize[0], NULL);
+        if (!pool->pools[0]) {
+            ret = AVERROR(ENOMEM);
+            goto fail;
+        }
+
+        pool->format     = frame->format;
+        pool->planes     = planes;
+        pool->channels   = ch;
+        pool->samples = frame->nb_samples;
+        break;
+        }
+    default: av_assert0(0);
+    }
+    return 0;
+fail:
+    for (i = 0; i < 4; i++)
+        av_buffer_pool_uninit(&pool->pools[i]);
+    pool->format = -1;
+    pool->planes = pool->channels = pool->samples = 0;
+    pool->width  = pool->height = 0;
+    return ret;
+}
+
+static int audio_get_buffer(AVCodecContext *avctx, AVFrame *frame)
+{
+    FramePool *pool = avctx->internal->pool;
+    int planes = pool->planes;
+    int i;
+
+    frame->linesize[0] = pool->linesize[0];
+
+    if (planes > AV_NUM_DATA_POINTERS) {
+        frame->extended_data = av_mallocz_array(planes, sizeof(*frame->extended_data));
+        frame->nb_extended_buf = planes - AV_NUM_DATA_POINTERS;
+        frame->extended_buf  = av_mallocz_array(frame->nb_extended_buf,
+                                          sizeof(*frame->extended_buf));
+        if (!frame->extended_data || !frame->extended_buf) {
+            av_freep(&frame->extended_data);
+            av_freep(&frame->extended_buf);
+            return AVERROR(ENOMEM);
+        }
+    } else {
+        frame->extended_data = frame->data;
+        av_assert0(frame->nb_extended_buf == 0);
+    }
+
+    for (i = 0; i < FFMIN(planes, AV_NUM_DATA_POINTERS); i++) {
+        frame->buf[i] = av_buffer_pool_get(pool->pools[0]);
+        if (!frame->buf[i])
+            goto fail;
+        frame->extended_data[i] = frame->data[i] = frame->buf[i]->data;
+    }
+    for (i = 0; i < frame->nb_extended_buf; i++) {
+        frame->extended_buf[i] = av_buffer_pool_get(pool->pools[0]);
+        if (!frame->extended_buf[i])
+            goto fail;
+        frame->extended_data[i + AV_NUM_DATA_POINTERS] = frame->extended_buf[i]->data;
+    }
+
+    if (avctx->debug & FF_DEBUG_BUFFERS)
+        av_log(avctx, AV_LOG_DEBUG, "default_get_buffer called on frame %p", frame);
+
+    return 0;
+fail:
+    av_frame_unref(frame);
+    return AVERROR(ENOMEM);
+}
+
+static int video_get_buffer(AVCodecContext *s, AVFrame *pic)
+{
+    FramePool *pool = s->internal->pool;
+    const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pic->format);
+    int i;
+
+    if (pic->data[0] || pic->data[1] || pic->data[2] || pic->data[3]) {
+        av_log(s, AV_LOG_ERROR, "pic->data[*]!=NULL in avcodec_default_get_buffer\n");
+        return -1;
+    }
+
+    if (!desc) {
+        av_log(s, AV_LOG_ERROR,
+            "Unable to get pixel format descriptor for format %s\n",
+            av_get_pix_fmt_name(pic->format));
+        return AVERROR(EINVAL);
+    }
+
+    memset(pic->data, 0, sizeof(pic->data));
+    pic->extended_data = pic->data;
+
+    for (i = 0; i < 4 && pool->pools[i]; i++) {
+        pic->linesize[i] = pool->linesize[i];
+
+        pic->buf[i] = av_buffer_pool_get(pool->pools[i]);
+        if (!pic->buf[i])
+            goto fail;
+
+        pic->data[i] = pic->buf[i]->data;
+    }
+    for (; i < AV_NUM_DATA_POINTERS; i++) {
+        pic->data[i] = NULL;
+        pic->linesize[i] = 0;
+    }
+    if (desc->flags & AV_PIX_FMT_FLAG_PAL ||
+        desc->flags & AV_PIX_FMT_FLAG_PSEUDOPAL)
+        avpriv_set_systematic_pal2((uint32_t *)pic->data[1], pic->format);
+
+    if (s->debug & FF_DEBUG_BUFFERS)
+        av_log(s, AV_LOG_DEBUG, "default_get_buffer called on pic %p\n", pic);
+
+    return 0;
+fail:
+    av_frame_unref(pic);
+    return AVERROR(ENOMEM);
+}
+
+int avcodec_default_get_buffer2(AVCodecContext *avctx, AVFrame *frame, int flags)
+{
+    int ret;
+
+    if (avctx->hw_frames_ctx) {
+        ret = av_hwframe_get_buffer(avctx->hw_frames_ctx, frame, 0);
+        frame->width  = avctx->coded_width;
+        frame->height = avctx->coded_height;
+        return ret;
+    }
+
+    if ((ret = update_frame_pool(avctx, frame)) < 0)
+        return ret;
+
+    switch (avctx->codec_type) {
+    case AVMEDIA_TYPE_VIDEO:
+        return video_get_buffer(avctx, frame);
+    case AVMEDIA_TYPE_AUDIO:
+        return audio_get_buffer(avctx, frame);
+    default:
+        return -1;
+    }
+}
+
+static int add_metadata_from_side_data(const AVPacket *avpkt, AVFrame *frame)
+{
+    int size;
+    const uint8_t *side_metadata;
+
+    AVDictionary **frame_md = &frame->metadata;
+
+    side_metadata = av_packet_get_side_data(avpkt,
+                                            AV_PKT_DATA_STRINGS_METADATA, &size);
+    return av_packet_unpack_dictionary(side_metadata, size, frame_md);
+}
+
+int ff_init_buffer_info(AVCodecContext *avctx, AVFrame *frame)
+{
+    const AVPacket *pkt = avctx->internal->last_pkt_props;
+    int i;
+    static const struct {
+        enum AVPacketSideDataType packet;
+        enum AVFrameSideDataType frame;
+    } sd[] = {
+        { AV_PKT_DATA_REPLAYGAIN ,                AV_FRAME_DATA_REPLAYGAIN },
+        { AV_PKT_DATA_DISPLAYMATRIX,              AV_FRAME_DATA_DISPLAYMATRIX },
+        { AV_PKT_DATA_SPHERICAL,                  AV_FRAME_DATA_SPHERICAL },
+        { AV_PKT_DATA_STEREO3D,                   AV_FRAME_DATA_STEREO3D },
+        { AV_PKT_DATA_AUDIO_SERVICE_TYPE,         AV_FRAME_DATA_AUDIO_SERVICE_TYPE },
+        { AV_PKT_DATA_MASTERING_DISPLAY_METADATA, AV_FRAME_DATA_MASTERING_DISPLAY_METADATA },
+        { AV_PKT_DATA_CONTENT_LIGHT_LEVEL,        AV_FRAME_DATA_CONTENT_LIGHT_LEVEL },
+        { AV_PKT_DATA_A53_CC,                     AV_FRAME_DATA_A53_CC },
+    };
+
+    if (pkt) {
+        frame->pts = pkt->pts;
+#if FF_API_PKT_PTS
+FF_DISABLE_DEPRECATION_WARNINGS
+        frame->pkt_pts = pkt->pts;
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
+        frame->pkt_pos      = pkt->pos;
+        frame->pkt_duration = pkt->duration;
+        frame->pkt_size     = pkt->size;
+
+        for (i = 0; i < FF_ARRAY_ELEMS(sd); i++) {
+            int size;
+            uint8_t *packet_sd = av_packet_get_side_data(pkt, sd[i].packet, &size);
+            if (packet_sd) {
+                AVFrameSideData *frame_sd = av_frame_new_side_data(frame,
+                                                                   sd[i].frame,
+                                                                   size);
+                if (!frame_sd)
+                    return AVERROR(ENOMEM);
+
+                memcpy(frame_sd->data, packet_sd, size);
+            }
+        }
+        add_metadata_from_side_data(pkt, frame);
+
+        if (pkt->flags & AV_PKT_FLAG_DISCARD) {
+            frame->flags |= AV_FRAME_FLAG_DISCARD;
+        } else {
+            frame->flags = (frame->flags & ~AV_FRAME_FLAG_DISCARD);
+        }
+    }
+    frame->reordered_opaque = avctx->reordered_opaque;
+
+    if (frame->color_primaries == AVCOL_PRI_UNSPECIFIED)
+        frame->color_primaries = avctx->color_primaries;
+    if (frame->color_trc == AVCOL_TRC_UNSPECIFIED)
+        frame->color_trc = avctx->color_trc;
+    if (frame->colorspace == AVCOL_SPC_UNSPECIFIED)
+        frame->colorspace = avctx->colorspace;
+    if (frame->color_range == AVCOL_RANGE_UNSPECIFIED)
+        frame->color_range = avctx->color_range;
+    if (frame->chroma_location == AVCHROMA_LOC_UNSPECIFIED)
+        frame->chroma_location = avctx->chroma_sample_location;
+
+    switch (avctx->codec->type) {
+    case AVMEDIA_TYPE_VIDEO:
+        frame->format              = avctx->pix_fmt;
+        if (!frame->sample_aspect_ratio.num)
+            frame->sample_aspect_ratio = avctx->sample_aspect_ratio;
+
+        if (frame->width && frame->height &&
+            av_image_check_sar(frame->width, frame->height,
+                               frame->sample_aspect_ratio) < 0) {
+            av_log(avctx, AV_LOG_WARNING, "ignoring invalid SAR: %u/%u\n",
+                   frame->sample_aspect_ratio.num,
+                   frame->sample_aspect_ratio.den);
+            frame->sample_aspect_ratio = (AVRational){ 0, 1 };
+        }
+
+        break;
+    case AVMEDIA_TYPE_AUDIO:
+        if (!frame->sample_rate)
+            frame->sample_rate    = avctx->sample_rate;
+        if (frame->format < 0)
+            frame->format         = avctx->sample_fmt;
+        if (!frame->channel_layout) {
+            if (avctx->channel_layout) {
+                 if (av_get_channel_layout_nb_channels(avctx->channel_layout) !=
+                     avctx->channels) {
+                     av_log(avctx, AV_LOG_ERROR, "Inconsistent channel "
+                            "configuration.\n");
+                     return AVERROR(EINVAL);
+                 }
+
+                frame->channel_layout = avctx->channel_layout;
+            } else {
+                if (avctx->channels > FF_SANE_NB_CHANNELS) {
+                    av_log(avctx, AV_LOG_ERROR, "Too many channels: %d.\n",
+                           avctx->channels);
+                    return AVERROR(ENOSYS);
+                }
+            }
+        }
+        frame->channels = avctx->channels;
+        break;
+    }
+    return 0;
+}
+
+int ff_decode_frame_props(AVCodecContext *avctx, AVFrame *frame)
+{
+    return ff_init_buffer_info(avctx, frame);
+}
+
+static void validate_avframe_allocation(AVCodecContext *avctx, AVFrame *frame)
+{
+    if (avctx->codec_type == AVMEDIA_TYPE_VIDEO) {
+        int i;
+        int num_planes = av_pix_fmt_count_planes(frame->format);
+        const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(frame->format);
+        int flags = desc ? desc->flags : 0;
+        if (num_planes == 1 && (flags & AV_PIX_FMT_FLAG_PAL))
+            num_planes = 2;
+        for (i = 0; i < num_planes; i++) {
+            av_assert0(frame->data[i]);
+        }
+        // For now do not enforce anything for palette of pseudopal formats
+        if (num_planes == 1 && (flags & AV_PIX_FMT_FLAG_PSEUDOPAL))
+            num_planes = 2;
+        // For formats without data like hwaccel allow unused pointers to be non-NULL.
+        for (i = num_planes; num_planes > 0 && i < FF_ARRAY_ELEMS(frame->data); i++) {
+            if (frame->data[i])
+                av_log(avctx, AV_LOG_ERROR, "Buffer returned by get_buffer2() did not zero unused plane pointers\n");
+            frame->data[i] = NULL;
+        }
+    }
+}
+
+static int get_buffer_internal(AVCodecContext *avctx, AVFrame *frame, int flags)
+{
+    const AVHWAccel *hwaccel = avctx->hwaccel;
+    int override_dimensions = 1;
+    int ret;
+
+    if (avctx->codec_type == AVMEDIA_TYPE_VIDEO) {
+        if ((ret = av_image_check_size2(avctx->width, avctx->height, avctx->max_pixels, AV_PIX_FMT_NONE, 0, avctx)) < 0 || avctx->pix_fmt<0) {
+            av_log(avctx, AV_LOG_ERROR, "video_get_buffer: image parameters invalid\n");
+            return AVERROR(EINVAL);
+        }
+
+        if (frame->width <= 0 || frame->height <= 0) {
+            frame->width  = FFMAX(avctx->width,  AV_CEIL_RSHIFT(avctx->coded_width,  avctx->lowres));
+            frame->height = FFMAX(avctx->height, AV_CEIL_RSHIFT(avctx->coded_height, avctx->lowres));
+            override_dimensions = 0;
+        }
+
+        if (frame->data[0] || frame->data[1] || frame->data[2] || frame->data[3]) {
+            av_log(avctx, AV_LOG_ERROR, "pic->data[*]!=NULL in get_buffer_internal\n");
+            return AVERROR(EINVAL);
+        }
+    }
+    ret = ff_decode_frame_props(avctx, frame);
+    if (ret < 0)
+        return ret;
+
+    if (hwaccel) {
+        if (hwaccel->alloc_frame) {
+            ret = hwaccel->alloc_frame(avctx, frame);
+            goto end;
+        }
+    } else
+        avctx->sw_pix_fmt = avctx->pix_fmt;
+
+    ret = avctx->get_buffer2(avctx, frame, flags);
+    if (ret >= 0)
+        validate_avframe_allocation(avctx, frame);
+
+end:
+    if (avctx->codec_type == AVMEDIA_TYPE_VIDEO && !override_dimensions &&
+        !(avctx->codec->caps_internal & FF_CODEC_CAP_EXPORTS_CROPPING)) {
+        frame->width  = avctx->width;
+        frame->height = avctx->height;
+    }
+
+    return ret;
+}
+
+int ff_get_buffer(AVCodecContext *avctx, AVFrame *frame, int flags)
+{
+    int ret = get_buffer_internal(avctx, frame, flags);
+    if (ret < 0) {
+        av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
+        frame->width = frame->height = 0;
+    }
+    return ret;
+}
+
+static int reget_buffer_internal(AVCodecContext *avctx, AVFrame *frame)
+{
+    AVFrame *tmp;
+    int ret;
+
+    av_assert0(avctx->codec_type == AVMEDIA_TYPE_VIDEO);
+
+    if (frame->data[0] && (frame->width != avctx->width || frame->height != avctx->height || frame->format != avctx->pix_fmt)) {
+        av_log(avctx, AV_LOG_WARNING, "Picture changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s in reget buffer()\n",
+               frame->width, frame->height, av_get_pix_fmt_name(frame->format), avctx->width, avctx->height, av_get_pix_fmt_name(avctx->pix_fmt));
+        av_frame_unref(frame);
+    }
+
+    ff_init_buffer_info(avctx, frame);
+
+    if (!frame->data[0])
+        return ff_get_buffer(avctx, frame, AV_GET_BUFFER_FLAG_REF);
+
+    if (av_frame_is_writable(frame))
+        return ff_decode_frame_props(avctx, frame);
+
+    tmp = av_frame_alloc();
+    if (!tmp)
+        return AVERROR(ENOMEM);
+
+    av_frame_move_ref(tmp, frame);
+
+    ret = ff_get_buffer(avctx, frame, AV_GET_BUFFER_FLAG_REF);
+    if (ret < 0) {
+        av_frame_free(&tmp);
+        return ret;
+    }
+
+    av_frame_copy(frame, tmp);
+    av_frame_free(&tmp);
+
+    return 0;
+}
+
+int ff_reget_buffer(AVCodecContext *avctx, AVFrame *frame)
+{
+    int ret = reget_buffer_internal(avctx, frame);
+    if (ret < 0)
+        av_log(avctx, AV_LOG_ERROR, "reget_buffer() failed\n");
+    return ret;
+}
+
+void avcodec_flush_buffers(AVCodecContext *avctx)
+{
+    avctx->internal->draining      = 0;
+    avctx->internal->draining_done = 0;
+    avctx->internal->nb_draining_errors = 0;
+    av_frame_unref(avctx->internal->buffer_frame);
+    av_frame_unref(avctx->internal->compat_decode_frame);
+    av_packet_unref(avctx->internal->buffer_pkt);
+    avctx->internal->buffer_pkt_valid = 0;
+
+    av_packet_unref(avctx->internal->ds.in_pkt);
+
+    if (HAVE_THREADS && avctx->active_thread_type & FF_THREAD_FRAME)
+        ff_thread_flush(avctx);
+    else if (avctx->codec->flush)
+        avctx->codec->flush(avctx);
+
+    avctx->pts_correction_last_pts =
+    avctx->pts_correction_last_dts = INT64_MIN;
+
+    ff_decode_bsfs_uninit(avctx);
+
+    if (!avctx->refcounted_frames)
+        av_frame_unref(avctx->internal->to_free);
+}
+
+void ff_decode_bsfs_uninit(AVCodecContext *avctx)
+{
+    DecodeFilterContext *s = &avctx->internal->filter;
+    int i;
+
+    for (i = 0; i < s->nb_bsfs; i++)
+        av_bsf_free(&s->bsfs[i]);
+    av_freep(&s->bsfs);
+    s->nb_bsfs = 0;
+}
diff --git a/media/ffvpx/libavcodec/decode.h b/media/ffvpx/libavcodec/decode.h
new file mode 100644
index 000000000..c9630228d
--- /dev/null
+++ b/media/ffvpx/libavcodec/decode.h
@@ -0,0 +1,39 @@
+/*
+ * generic decoding-related code
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef AVCODEC_DECODE_H
+#define AVCODEC_DECODE_H
+
+#include "avcodec.h"
+
+/**
+ * Called by decoders to get the next packet for decoding.
+ *
+ * @param pkt An empty packet to be filled with data.
+ * @return 0 if a new reference has been successfully written to pkt
+ *         AVERROR(EAGAIN) if no data is currently available
+ *         AVERROR_EOF if and end of stream has been reached, so no more data
+ *                     will be available
+ */
+int ff_decode_get_packet(AVCodecContext *avctx, AVPacket *pkt);
+
+void ff_decode_bsfs_uninit(AVCodecContext *avctx);
+
+#endif /* AVCODEC_DECODE_H */
diff --git a/media/ffvpx/libavcodec/dummy_funcs.c b/media/ffvpx/libavcodec/dummy_funcs.c
index 200e1d266..21b469f7e 100644
--- a/media/ffvpx/libavcodec/dummy_funcs.c
+++ b/media/ffvpx/libavcodec/dummy_funcs.c
@@ -73,6 +73,16 @@ AVHWAccel ff_hevc_mediacodec_hwaccel;
 AVHWAccel ff_mpeg4_mediacodec_hwaccel;
 AVHWAccel ff_vp8_mediacodec_hwaccel;
 AVHWAccel ff_vp9_mediacodec_hwaccel;
+/* Added by FFmpeg 3.4 */
+AVHWAccel ff_h264_d3d11va2_hwaccel;
+AVHWAccel ff_hevc_d3d11va2_hwaccel;
+AVHWAccel ff_hevc_videotoolbox_hwaccel;
+AVHWAccel ff_mpeg2_d3d11va2_hwaccel;
+AVHWAccel ff_mpeg2_mediacodec_hwaccel;
+AVHWAccel ff_vc1_d3d11va2_hwaccel;
+AVHWAccel ff_vp8_qsv_hwaccel;
+AVHWAccel ff_vp9_d3d11va2_hwaccel;
+AVHWAccel ff_wmv3_d3d11va2_hwaccel;
 
 AVCodec ff_a64multi_encoder;
 AVCodec ff_a64multi5_encoder;
@@ -741,6 +751,54 @@ AVCodec ff_pcm_s64be_decoder;
 AVCodec ff_pcm_s64be_encoder;
 AVCodec ff_truehd_encoder;
 AVCodec ff_mlp_encoder;
+/* Added by FFmpeg 3.4 */
+AVCodec ff_clearvideo_decoder;
+AVCodec ff_fits_encoder;
+AVCodec ff_fits_decoder;
+AVCodec ff_fmvc_decoder;
+AVCodec ff_gdv_decoder;
+AVCodec ff_h263_v4l2m2m_decoder;
+AVCodec ff_h264_v4l2m2m_decoder;
+AVCodec ff_h264_rkmpp_decoder;
+AVCodec ff_hevc_rkmpp_decoder;
+AVCodec ff_hevc_v4l2m2m_decoder;
+AVCodec ff_mpeg4_v4l2m2m_decoder;
+AVCodec ff_mpeg1_v4l2m2m_decoder;
+AVCodec ff_mpeg2_v4l2m2m_decoder;
+AVCodec ff_mpeg2_mediacodec_decoder;
+AVCodec ff_mscc_decoder;
+AVCodec ff_pixlet_decoder;
+AVCodec ff_psd_decoder;
+AVCodec ff_scpr_decoder;
+AVCodec ff_speedhq_decoder;
+AVCodec ff_srgc_decoder;
+AVCodec ff_vc1_v4l2m2m_decoder;
+AVCodec ff_vp8_rkmpp_decoder;
+AVCodec ff_vp8_v4l2m2m_decoder;
+AVCodec ff_vp9_rkmpp_decoder;
+AVCodec ff_vp9_v4l2m2m_decoder;
+AVCodec ff_bitpacked_decoder;
+AVCodec ff_wrapped_avframe_decoder;
+AVCodec ff_xpm_decoder;
+AVCodec ff_atrac3al_decoder;
+AVCodec ff_atrac3pal_decoder;
+AVCodec ff_dolby_e_decoder;
+AVCodec ff_opus_encoder;
+AVCodec ff_qdmc_decoder;
+AVCodec ff_pcm_f16le_decoder;
+AVCodec ff_pcm_f24le_decoder;
+AVCodec ff_gremlin_dpcm_decoder;
+AVCodec ff_adpcm_g726le_encoder;
+AVCodec ff_librsvg_decoder;
+AVCodec ff_h263_v4l2m2m_encoder;
+AVCodec ff_h264_v4l2m2m_encoder;
+AVCodec ff_hevc_v4l2m2m_encoder;
+AVCodec ff_mpeg2_vaapi_encoder;
+AVCodec ff_mpeg4_v4l2m2m_encoder;
+AVCodec ff_vp8_qsv_decoder;
+AVCodec ff_vp8_v4l2m2m_encoder;
+AVCodec ff_vp8_vaapi_encoder;
+AVCodec ff_vp9_vaapi_encoder;
 
 AVCodecParser ff_aac_parser;
 AVCodecParser ff_aac_latm_parser;
@@ -777,6 +835,10 @@ AVCodecParser ff_tak_parser;
 AVCodecParser ff_vc1_parser;
 AVCodecParser ff_vorbis_parser;
 AVCodecParser ff_vp3_parser;
+/* Added by FFmpeg 3.4 */
+AVCodecParser ff_sipr_parser;
+AVCodecParser ff_xma_parser;
+
 AVBitStreamFilter ff_aac_adtstoasc_bsf;
 AVBitStreamFilter ff_chomp_bsf;
 AVBitStreamFilter ff_dump_extradata_bsf;
@@ -806,12 +868,15 @@ int ff_thread_video_encode_frame(AVCodecContext *avctx, AVPacket *pkt, const AVF
 void ff_videodsp_init_aarch64(VideoDSPContext *ctx, int bpc) {}
 void ff_videodsp_init_arm(VideoDSPContext *ctx, int bpc) {}
 void ff_videodsp_init_ppc(VideoDSPContext *ctx, int bpc) {}
+void ff_videodsp_init_mips(VideoDSPContext *ctx, int bpc) {}
 void ff_vp7dsp_init(VP8DSPContext *c) {}
 void ff_vp78dsp_init_arm(VP8DSPContext *c) {}
 void ff_vp78dsp_init_ppc(VP8DSPContext *c) {}
 void ff_vp8dsp_init_arm(VP8DSPContext *c) {}
 void ff_vp8dsp_init_mips(VP8DSPContext *c) {}
 void ff_vp9dsp_init_mips(VP9DSPContext *dsp, int bpp) {}
+void ff_vp9dsp_init_aarch64(VP9DSPContext *dsp, int bpp) {}
+void ff_vp9dsp_init_arm(VP9DSPContext *dsp, int bpp) {}
 void ff_flacdsp_init_arm(FLACDSPContext *c, enum AVSampleFormat fmt, int channels, int bps) {}
 #if !defined(HAVE_64BIT_BUILD)
 void ff_flac_decorrelate_indep8_16_sse2(uint8_t **out, int32_t **in, int channels, int len, int shift) {}
@@ -819,11 +884,3 @@ void ff_flac_decorrelate_indep8_32_avx(uint8_t **out, int32_t **in, int channels
 void ff_flac_decorrelate_indep8_16_avx(uint8_t **out, int32_t **in, int channels, int len, int shift) {}
 void ff_flac_decorrelate_indep8_32_sse2(uint8_t **out, int32_t **in, int channels, int len, int shift) {}
 #endif
-void av_bitstream_filter_close(AVBitStreamFilterContext *bsf) {}
-int av_bitstream_filter_filter(AVBitStreamFilterContext *bsfc,
-                               AVCodecContext *avctx, const char *args,
-                               uint8_t **poutbuf, int *poutbuf_size,
-                               const uint8_t *buf, int buf_size, int keyframe) { return 0; }
-AVBitStreamFilterContext *av_bitstream_filter_init(const char *name) { return NULL;}
-AVBitStreamFilter *av_bitstream_filter_next(const AVBitStreamFilter *f) { return NULL; }
-void av_register_bitstream_filter(AVBitStreamFilter *bsf) {}
diff --git a/media/ffvpx/libavcodec/error_resilience.h b/media/ffvpx/libavcodec/error_resilience.h
index d444ec3a3..27c200869 100644
--- a/media/ffvpx/libavcodec/error_resilience.h
+++ b/media/ffvpx/libavcodec/error_resilience.h
@@ -57,8 +57,8 @@ typedef struct ERContext {
     int *mb_index2xy;
     int mb_num;
     int mb_width, mb_height;
-    int mb_stride;
-    int b8_stride;
+    ptrdiff_t mb_stride;
+    ptrdiff_t b8_stride;
 
     volatile int error_count;
     int error_occurred;
diff --git a/media/ffvpx/libavcodec/flac.c b/media/ffvpx/libavcodec/flac.c
index f5154b914..5ffbf9319 100644
--- a/media/ffvpx/libavcodec/flac.c
+++ b/media/ffvpx/libavcodec/flac.c
@@ -201,7 +201,7 @@ void ff_flac_set_channel_layout(AVCodecContext *avctx)
         avctx->channel_layout = 0;
 }
 
-void ff_flac_parse_streaminfo(AVCodecContext *avctx, struct FLACStreaminfo *s,
+int ff_flac_parse_streaminfo(AVCodecContext *avctx, struct FLACStreaminfo *s,
                               const uint8_t *buffer)
 {
     GetBitContext gb;
@@ -213,6 +213,7 @@ void ff_flac_parse_streaminfo(AVCodecContext *avctx, struct FLACStreaminfo *s,
         av_log(avctx, AV_LOG_WARNING, "invalid max blocksize: %d\n",
                s->max_blocksize);
         s->max_blocksize = 16;
+        return AVERROR_INVALIDDATA;
     }
 
     skip_bits(&gb, 24); /* skip min frame size */
@@ -222,6 +223,12 @@ void ff_flac_parse_streaminfo(AVCodecContext *avctx, struct FLACStreaminfo *s,
     s->channels = get_bits(&gb, 3) + 1;
     s->bps = get_bits(&gb, 5) + 1;
 
+    if (s->bps < 4) {
+        av_log(avctx, AV_LOG_ERROR, "invalid bps: %d\n", s->bps);
+        s->bps = 16;
+        return AVERROR_INVALIDDATA;
+    }
+
     avctx->channels = s->channels;
     avctx->sample_rate = s->samplerate;
     avctx->bits_per_raw_sample = s->bps;
@@ -234,4 +241,6 @@ void ff_flac_parse_streaminfo(AVCodecContext *avctx, struct FLACStreaminfo *s,
 
     skip_bits_long(&gb, 64); /* md5 sum */
     skip_bits_long(&gb, 64); /* md5 sum */
+
+    return 0;
 }
diff --git a/media/ffvpx/libavcodec/flac.h b/media/ffvpx/libavcodec/flac.h
index 96d971c9d..991ab43f3 100644
--- a/media/ffvpx/libavcodec/flac.h
+++ b/media/ffvpx/libavcodec/flac.h
@@ -95,8 +95,10 @@ typedef struct FLACFrameInfo {
  * @param[out] avctx   codec context to set basic stream parameters
  * @param[out] s       where parsed information is stored
  * @param[in]  buffer  pointer to start of 34-byte streaminfo data
+ *
+ * @return negative error code on faiure or >= 0 on success
  */
-void ff_flac_parse_streaminfo(AVCodecContext *avctx, struct FLACStreaminfo *s,
+int ff_flac_parse_streaminfo(AVCodecContext *avctx, struct FLACStreaminfo *s,
                               const uint8_t *buffer);
 
 /**
diff --git a/media/ffvpx/libavcodec/flac_parser.c b/media/ffvpx/libavcodec/flac_parser.c
index f5cc35a4f..84da23f32 100644
--- a/media/ffvpx/libavcodec/flac_parser.c
+++ b/media/ffvpx/libavcodec/flac_parser.c
@@ -586,10 +586,12 @@ static int flac_parse(AVCodecParserContext *s, AVCodecContext *avctx,
             temp = curr->next;
             av_freep(&curr->link_penalty);
             av_free(curr);
+            fpc->nb_headers_buffered--;
         }
         fpc->headers = fpc->best_header->next;
         av_freep(&fpc->best_header->link_penalty);
         av_freep(&fpc->best_header);
+        fpc->nb_headers_buffered--;
     }
 
     /* Find and score new headers.                                     */
@@ -638,7 +640,7 @@ static int flac_parse(AVCodecParserContext *s, AVCodecContext *avctx,
                                   read_end - read_start, NULL);
         } else {
             int8_t pad[MAX_FRAME_HEADER_SIZE] = { 0 };
-            av_fifo_generic_write(fpc->fifo_buf, (void*) pad, sizeof(pad), NULL);
+            av_fifo_generic_write(fpc->fifo_buf, pad, sizeof(pad), NULL);
         }
 
         /* Tag headers and update sequences. */
diff --git a/media/ffvpx/libavcodec/flacdec.c b/media/ffvpx/libavcodec/flacdec.c
index b7237e18f..3d41a1af7 100644
--- a/media/ffvpx/libavcodec/flacdec.c
+++ b/media/ffvpx/libavcodec/flacdec.c
@@ -109,7 +109,9 @@ static av_cold int flac_decode_init(AVCodecContext *avctx)
         return AVERROR_INVALIDDATA;
 
     /* initialize based on the demuxer-supplied streamdata header */
-    ff_flac_parse_streaminfo(avctx, &s->flac_stream_info, streaminfo);
+    ret = ff_flac_parse_streaminfo(avctx, &s->flac_stream_info, streaminfo);
+    if (ret < 0)
+        return ret;
     ret = allocate_buffers(s);
     if (ret < 0)
         return ret;
@@ -175,7 +177,9 @@ static int parse_streaminfo(FLACContext *s, const uint8_t *buf, int buf_size)
         metadata_size != FLAC_STREAMINFO_SIZE) {
         return AVERROR_INVALIDDATA;
     }
-    ff_flac_parse_streaminfo(s->avctx, &s->flac_stream_info, &buf[8]);
+    ret = ff_flac_parse_streaminfo(s->avctx, &s->flac_stream_info, &buf[8]);
+    if (ret < 0)
+        return ret;
     ret = allocate_buffers(s);
     if (ret < 0)
         return ret;
@@ -201,12 +205,12 @@ static int get_metadata_size(const uint8_t *buf, int buf_size)
     buf += 4;
     do {
         if (buf_end - buf < 4)
-            return 0;
+            return AVERROR_INVALIDDATA;
         flac_parse_block_header(buf, &metadata_last, NULL, &metadata_size);
         buf += 4;
         if (buf_end - buf < metadata_size) {
             /* need more data in order to read the complete header */
-            return 0;
+            return AVERROR_INVALIDDATA;
         }
         buf += metadata_size;
     } while (!metadata_last);
@@ -254,8 +258,15 @@ static int decode_residuals(FLACContext *s, int32_t *decoded, int pred_order)
             for (; i < samples; i++)
                 *decoded++ = get_sbits_long(&s->gb, tmp);
         } else {
+            int real_limit = tmp ? (INT_MAX >> tmp) + 2 : INT_MAX;
             for (; i < samples; i++) {
-                *decoded++ = get_sr_golomb_flac(&s->gb, tmp, INT_MAX, 0);
+                int v = get_sr_golomb_flac(&s->gb, tmp, real_limit, 0);
+                if (v == 0x80000000){
+                    av_log(s->avctx, AV_LOG_ERROR, "invalid residual\n");
+                    return AVERROR_INVALIDDATA;
+                }
+
+                *decoded++ = v;
             }
         }
         i= 0;
@@ -268,7 +279,8 @@ static int decode_subframe_fixed(FLACContext *s, int32_t *decoded,
                                  int pred_order, int bps)
 {
     const int blocksize = s->blocksize;
-    int av_uninit(a), av_uninit(b), av_uninit(c), av_uninit(d), i;
+    unsigned av_uninit(a), av_uninit(b), av_uninit(c), av_uninit(d);
+    int i;
     int ret;
 
     /* warm up samples */
@@ -286,7 +298,7 @@ static int decode_subframe_fixed(FLACContext *s, int32_t *decoded,
     if (pred_order > 2)
         c = b - decoded[pred_order-2] + decoded[pred_order-3];
     if (pred_order > 3)
-        d = c - decoded[pred_order-2] + 2*decoded[pred_order-3] - decoded[pred_order-4];
+        d = c - decoded[pred_order-2] + 2U*decoded[pred_order-3] - decoded[pred_order-4];
 
     switch (pred_order) {
     case 0:
@@ -315,7 +327,7 @@ static int decode_subframe_fixed(FLACContext *s, int32_t *decoded,
     return 0;
 }
 
-static void lpc_analyze_remodulate(int32_t *decoded, const int coeffs[32],
+static void lpc_analyze_remodulate(SUINT32 *decoded, const int coeffs[32],
                                    int order, int qlevel, int len, int bps)
 {
     int i, j;
@@ -331,7 +343,7 @@ static void lpc_analyze_remodulate(int32_t *decoded, const int coeffs[32],
     for (i = len - 1; i >= order; i--) {
         int64_t p = 0;
         for (j = 0; j < order; j++)
-            p += coeffs[j] * (int64_t)decoded[i-order+j];
+            p += coeffs[j] * (int64_t)(int32_t)decoded[i-order+j];
         decoded[i] -= p >> qlevel;
     }
     for (i = order; i < len; i++, decoded++) {
@@ -444,10 +456,10 @@ static inline int decode_subframe(FLACContext *s, int channel)
         return AVERROR_INVALIDDATA;
     }
 
-    if (wasted) {
+    if (wasted && wasted < 32) {
         int i;
         for (i = 0; i < s->blocksize; i++)
-            decoded[i] <<= wasted;
+            decoded[i] = (unsigned)decoded[i] << wasted;
     }
 
     return 0;
diff --git a/media/ffvpx/libavcodec/flacdsp.c b/media/ffvpx/libavcodec/flacdsp.c
index 30b66484e..bc9a5dbed 100644
--- a/media/ffvpx/libavcodec/flacdsp.c
+++ b/media/ffvpx/libavcodec/flacdsp.c
@@ -49,8 +49,8 @@ static void flac_lpc_16_c(int32_t *decoded, const int coeffs[32],
     int i, j;
 
     for (i = pred_order; i < len - 1; i += 2, decoded += 2) {
-        int c = coeffs[0];
-        int d = decoded[0];
+        SUINT c = coeffs[0];
+        SUINT d = decoded[0];
         int s0 = 0, s1 = 0;
         for (j = 1; j < pred_order; j++) {
             s0 += c*d;
@@ -59,15 +59,15 @@ static void flac_lpc_16_c(int32_t *decoded, const int coeffs[32],
             c = coeffs[j];
         }
         s0 += c*d;
-        d = decoded[j] += s0 >> qlevel;
+        d = decoded[j] += (SUINT)(s0 >> qlevel);
         s1 += c*d;
-        decoded[j + 1] += s1 >> qlevel;
+        decoded[j + 1] += (SUINT)(s1 >> qlevel);
     }
     if (i < len) {
         int sum = 0;
         for (j = 0; j < pred_order; j++)
-            sum += coeffs[j] * decoded[j];
-        decoded[j] += sum >> qlevel;
+            sum += coeffs[j] * (SUINT)decoded[j];
+        decoded[j] = decoded[j] + (unsigned)(sum >> qlevel);
     }
 }
 
diff --git a/media/ffvpx/libavcodec/flacdsp.h b/media/ffvpx/libavcodec/flacdsp.h
index f5cbd9472..7bb0dd0e9 100644
--- a/media/ffvpx/libavcodec/flacdsp.h
+++ b/media/ffvpx/libavcodec/flacdsp.h
@@ -20,6 +20,7 @@
 #define AVCODEC_FLACDSP_H
 
 #include <stdint.h>
+#include "libavutil/internal.h"
 #include "libavutil/samplefmt.h"
 
 typedef struct FLACDSPContext {
diff --git a/media/ffvpx/libavcodec/flacdsp_template.c b/media/ffvpx/libavcodec/flacdsp_template.c
index 62c0a15ff..776c78da7 100644
--- a/media/ffvpx/libavcodec/flacdsp_template.c
+++ b/media/ffvpx/libavcodec/flacdsp_template.c
@@ -56,7 +56,7 @@ static void FUNC(flac_decorrelate_indep_c)(uint8_t **out, int32_t **in,
 
     for (j = 0; j < len; j++)
         for (i = 0; i < channels; i++)
-            S(samples, i, j) = in[i][j] << shift;
+            S(samples, i, j) = (int)((unsigned)in[i][j] << shift);
 }
 
 static void FUNC(flac_decorrelate_ls_c)(uint8_t **out, int32_t **in,
diff --git a/media/ffvpx/libavcodec/get_bits.h b/media/ffvpx/libavcodec/get_bits.h
index 0f183e035..0c7f5ff0c 100644
--- a/media/ffvpx/libavcodec/get_bits.h
+++ b/media/ffvpx/libavcodec/get_bits.h
@@ -229,6 +229,20 @@ static inline int get_xbits(GetBitContext *s, int n)
     return (NEG_USR32(sign ^ cache, n) ^ sign) - sign;
 }
 
+static inline int get_xbits_le(GetBitContext *s, int n)
+{
+    register int sign;
+    register int32_t cache;
+    OPEN_READER(re, s);
+    av_assert2(n>0 && n<=25);
+    UPDATE_CACHE_LE(re, s);
+    cache = GET_CACHE(re, s);
+    sign  = sign_extend(~cache, n) >> 31;
+    LAST_SKIP_BITS(re, s, n);
+    CLOSE_READER(re, s);
+    return (zero_extend(sign ^ cache, n) ^ sign) - sign;
+}
+
 static inline int get_sbits(GetBitContext *s, int n)
 {
     register int tmp;
@@ -331,6 +345,7 @@ static inline void skip_bits1(GetBitContext *s)
  */
 static inline unsigned int get_bits_long(GetBitContext *s, int n)
 {
+    av_assert2(n>=0 && n<=32);
     if (!n) {
         return 0;
     } else if (n <= MIN_CACHE_BITS) {
@@ -369,6 +384,10 @@ static inline uint64_t get_bits64(GetBitContext *s, int n)
  */
 static inline int get_sbits_long(GetBitContext *s, int n)
 {
+    // sign_extend(x, 0) is undefined
+    if (!n)
+        return 0;
+
     return sign_extend(get_bits_long(s, n), n);
 }
 
@@ -531,6 +550,7 @@ static inline const uint8_t *align_get_bits(GetBitContext *s)
  * @param max_depth is the number of times bits bits must be read to completely
  *                  read the longest vlc code
  *                  = (max_vlc_length + bits - 1) / bits
+ * @returns the code parsed or -1 if no vlc matches
  */
 static av_always_inline int get_vlc2(GetBitContext *s, VLC_TYPE (*table)[2],
                                      int bits, int max_depth)
diff --git a/media/ffvpx/libavcodec/golomb.h b/media/ffvpx/libavcodec/golomb.h
index 917ea54e1..efb1eff8a 100644
--- a/media/ffvpx/libavcodec/golomb.h
+++ b/media/ffvpx/libavcodec/golomb.h
@@ -314,6 +314,8 @@ static inline int get_ur_golomb_jpegls(GetBitContext *gb, int k, int limit,
 
     log = av_log2(buf);
 
+    av_assert2(k <= 31);
+
     if (log - k >= 32 - MIN_CACHE_BITS + (MIN_CACHE_BITS == 32) &&
         32 - log < limit) {
         buf >>= log - k;
@@ -325,8 +327,10 @@ static inline int get_ur_golomb_jpegls(GetBitContext *gb, int k, int limit,
     } else {
         int i;
         for (i = 0; i < limit && SHOW_UBITS(re, gb, 1) == 0; i++) {
-            if (gb->size_in_bits <= re_index)
+            if (gb->size_in_bits <= re_index) {
+                CLOSE_READER(re, gb);
                 return -1;
+            }
             LAST_SKIP_BITS(re, gb, 1);
             UPDATE_CACHE(re, gb);
         }
@@ -348,16 +352,17 @@ static inline int get_ur_golomb_jpegls(GetBitContext *gb, int k, int limit,
                 buf = 0;
             }
 
-            CLOSE_READER(re, gb);
-            return buf + (i << k);
+            buf += ((SUINT)i << k);
         } else if (i == limit - 1) {
             buf = SHOW_UBITS(re, gb, esc_len);
             LAST_SKIP_BITS(re, gb, esc_len);
-            CLOSE_READER(re, gb);
 
-            return buf + 1;
-        } else
-            return -1;
+            buf ++;
+        } else {
+            buf = -1;
+        }
+        CLOSE_READER(re, gb);
+        return buf;
     }
 }
 
@@ -445,19 +450,20 @@ static inline int get_te(GetBitContext *s, int r, char *file, const char *func,
     return i;
 }
 
-#define get_ue_golomb(a) get_ue(a, __FILE__, __PRETTY_FUNCTION__, __LINE__)
-#define get_se_golomb(a) get_se(a, __FILE__, __PRETTY_FUNCTION__, __LINE__)
-#define get_te_golomb(a, r)  get_te(a, r, __FILE__, __PRETTY_FUNCTION__, __LINE__)
-#define get_te0_golomb(a, r) get_te(a, r, __FILE__, __PRETTY_FUNCTION__, __LINE__)
+#define get_ue_golomb(a) get_ue(a, __FILE__, __func__, __LINE__)
+#define get_se_golomb(a) get_se(a, __FILE__, __func__, __LINE__)
+#define get_te_golomb(a, r)  get_te(a, r, __FILE__, __func__, __LINE__)
+#define get_te0_golomb(a, r) get_te(a, r, __FILE__, __func__, __LINE__)
 
 #endif /* TRACE */
 
 /**
- * write unsigned exp golomb code.
+ * write unsigned exp golomb code. 2^16 - 2 at most
  */
 static inline void set_ue_golomb(PutBitContext *pb, int i)
 {
     av_assert2(i >= 0);
+    av_assert2(i <= 0xFFFE);
 
     if (i < 256)
         put_bits(pb, ff_ue_golomb_len[i], i + 1);
@@ -468,6 +474,21 @@ static inline void set_ue_golomb(PutBitContext *pb, int i)
 }
 
 /**
+ * write unsigned exp golomb code. 2^32-2 at most.
+ */
+static inline void set_ue_golomb_long(PutBitContext *pb, uint32_t i)
+{
+    av_assert2(i <= (UINT32_MAX - 1));
+
+    if (i < 256)
+        put_bits(pb, ff_ue_golomb_len[i], i + 1);
+    else {
+        int e = av_log2(i + 1);
+        put_bits64(pb, 2 * e + 1, i + 1);
+    }
+}
+
+/**
  * write truncated unsigned exp golomb code.
  */
 static inline void set_te_golomb(PutBitContext *pb, int i, int range)
@@ -486,19 +507,9 @@ static inline void set_te_golomb(PutBitContext *pb, int i, int range)
  */
 static inline void set_se_golomb(PutBitContext *pb, int i)
 {
-#if 0
-    if (i <= 0)
-        i = -2 * i;
-    else
-        i = 2 * i - 1;
-#elif 1
     i = 2 * i - 1;
     if (i < 0)
         i ^= -1;    //FIXME check if gcc does the right thing
-#else
-    i  = 2 * i - 1;
-    i ^= (i >> 31);
-#endif
     set_ue_golomb(pb, i);
 }
 
diff --git a/media/ffvpx/libavcodec/h264chroma.h b/media/ffvpx/libavcodec/h264chroma.h
index e0f45ad13..5c89fd12d 100644
--- a/media/ffvpx/libavcodec/h264chroma.h
+++ b/media/ffvpx/libavcodec/h264chroma.h
@@ -19,9 +19,10 @@
 #ifndef AVCODEC_H264CHROMA_H
 #define AVCODEC_H264CHROMA_H
 
+#include <stddef.h>
 #include <stdint.h>
 
-typedef void (*h264_chroma_mc_func)(uint8_t *dst/*align 8*/, uint8_t *src/*align 1*/, int srcStride, int h, int x, int y);
+typedef void (*h264_chroma_mc_func)(uint8_t *dst /*align 8*/, uint8_t *src /*align 1*/, ptrdiff_t srcStride, int h, int x, int y);
 
 typedef struct H264ChromaContext {
     h264_chroma_mc_func put_h264_chroma_pixels_tab[4];
diff --git a/media/ffvpx/libavcodec/hpeldsp.h b/media/ffvpx/libavcodec/hpeldsp.h
index 1a3cea54b..768139bfc 100644
--- a/media/ffvpx/libavcodec/hpeldsp.h
+++ b/media/ffvpx/libavcodec/hpeldsp.h
@@ -76,6 +76,8 @@ typedef struct HpelDSPContext {
      * @param pixels source
      * @param line_size number of bytes in a horizontal line of block
      * @param h height
+     * @note The size is kept at [4][4] to match the above pixel_tabs and avoid
+     *       out of bounds reads in the motion estimation code.
      */
     op_pixels_func put_no_rnd_pixels_tab[4][4];
 
diff --git a/media/ffvpx/libavcodec/hwaccel.h b/media/ffvpx/libavcodec/hwaccel.h
new file mode 100644
index 000000000..124fbbf1f
--- /dev/null
+++ b/media/ffvpx/libavcodec/hwaccel.h
@@ -0,0 +1,24 @@
+/*
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef AVCODEC_HWACCEL_H
+#define AVCODEC_HWACCEL_H
+
+#define HWACCEL_CAP_ASYNC_SAFE      (1 << 0)
+
+#endif /* AVCODEC_HWACCEL_H */
diff --git a/media/ffvpx/libavcodec/idctdsp.h b/media/ffvpx/libavcodec/idctdsp.h
index b180a6762..26221f6a9 100644
--- a/media/ffvpx/libavcodec/idctdsp.h
+++ b/media/ffvpx/libavcodec/idctdsp.h
@@ -21,6 +21,8 @@
 
 #include <stdint.h>
 
+#include "config.h"
+
 #include "avcodec.h"
 
 /**
@@ -51,13 +53,13 @@ int ff_init_scantable_permutation_x86(uint8_t *idct_permutation,
 typedef struct IDCTDSPContext {
     /* pixel ops : interface with DCT */
     void (*put_pixels_clamped)(const int16_t *block /* align 16 */,
-                               uint8_t *pixels /* align 8 */,
+                               uint8_t *av_restrict pixels /* align 8 */,
                                ptrdiff_t line_size);
     void (*put_signed_pixels_clamped)(const int16_t *block /* align 16 */,
-                                      uint8_t *pixels /* align 8 */,
+                                      uint8_t *av_restrict pixels /* align 8 */,
                                       ptrdiff_t line_size);
     void (*add_pixels_clamped)(const int16_t *block /* align 16 */,
-                               uint8_t *pixels /* align 8 */,
+                               uint8_t *av_restrict pixels /* align 8 */,
                                ptrdiff_t line_size);
 
     void (*idct)(int16_t *block /* align 16 */);
@@ -68,14 +70,14 @@ typedef struct IDCTDSPContext {
      * @param line_size size in bytes of a horizontal line of dest
      */
     void (*idct_put)(uint8_t *dest /* align 8 */,
-                     int line_size, int16_t *block /* align 16 */);
+                     ptrdiff_t line_size, int16_t *block /* align 16 */);
 
     /**
      * block -> idct -> add dest -> clip to unsigned 8 bit -> dest.
      * @param line_size size in bytes of a horizontal line of dest
      */
     void (*idct_add)(uint8_t *dest /* align 8 */,
-                     int line_size, int16_t *block /* align 16 */);
+                     ptrdiff_t line_size, int16_t *block /* align 16 */);
 
     /**
      * IDCT input permutation.
@@ -95,11 +97,15 @@ typedef struct IDCTDSPContext {
     enum idct_permutation_type perm_type;
 } IDCTDSPContext;
 
-extern void (*ff_put_pixels_clamped)(const int16_t *block, uint8_t *pixels, ptrdiff_t line_size);
-extern void (*ff_add_pixels_clamped)(const int16_t *block, uint8_t *pixels, ptrdiff_t line_size);
+void ff_put_pixels_clamped_c(const int16_t *block, uint8_t *av_restrict pixels,
+                             ptrdiff_t line_size);
+void ff_add_pixels_clamped_c(const int16_t *block, uint8_t *av_restrict pixels,
+                             ptrdiff_t line_size);
 
 void ff_idctdsp_init(IDCTDSPContext *c, AVCodecContext *avctx);
 
+void ff_idctdsp_init_aarch64(IDCTDSPContext *c, AVCodecContext *avctx,
+                             unsigned high_bit_depth);
 void ff_idctdsp_init_alpha(IDCTDSPContext *c, AVCodecContext *avctx,
                            unsigned high_bit_depth);
 void ff_idctdsp_init_arm(IDCTDSPContext *c, AVCodecContext *avctx,
diff --git a/media/ffvpx/libavcodec/internal.h b/media/ffvpx/libavcodec/internal.h
index 35b9630b5..faa923c11 100644
--- a/media/ffvpx/libavcodec/internal.h
+++ b/media/ffvpx/libavcodec/internal.h
@@ -48,8 +48,8 @@
 #define FF_CODEC_CAP_INIT_CLEANUP           (1 << 1)
 /**
  * Decoders marked with FF_CODEC_CAP_SETS_PKT_DTS want to set
- * AVFrame.pkt_dts manually. If the flag is set, utils.c won't overwrite
- * this field. If it's unset, utils.c tries to guess the pkt_dts field
+ * AVFrame.pkt_dts manually. If the flag is set, decode.c won't overwrite
+ * this field. If it's unset, decode.c tries to guess the pkt_dts field
  * from the input AVPacket.
  */
 #define FF_CODEC_CAP_SETS_PKT_DTS           (1 << 2)
@@ -58,6 +58,16 @@
  * skipped due to the skip_frame setting.
  */
 #define FF_CODEC_CAP_SKIP_FRAME_FILL_PARAM  (1 << 3)
+/**
+ * The decoder sets the cropping fields in the output frames manually.
+ * If this cap is set, the generic code will initialize output frame
+ * dimensions to coded rather than display values.
+ */
+#define FF_CODEC_CAP_EXPORTS_CROPPING       (1 << 4)
+/**
+ * Codec initializes slice-based threading with a main function
+ */
+#define FF_CODEC_CAP_SLICE_THREAD_HAS_MF    (1 << 5)
 
 #ifdef TRACE
 #   define ff_tlog(ctx, ...) av_log(ctx, AV_LOG_TRACE, __VA_ARGS__)
@@ -70,11 +80,18 @@
 #define FF_DEFAULT_QUANT_BIAS 999999
 #endif
 
+#if !FF_API_QSCALE_TYPE
+#define FF_QSCALE_TYPE_MPEG1 0
+#define FF_QSCALE_TYPE_MPEG2 1
+#define FF_QSCALE_TYPE_H264  2
+#define FF_QSCALE_TYPE_VP56  3
+#endif
+
 #define FF_SANE_NB_CHANNELS 64U
 
 #define FF_SIGNBIT(x) ((x) >> CHAR_BIT * sizeof(x) - 1)
 
-#if HAVE_AVX
+#if HAVE_SIMD_ALIGN_32
 #   define STRIDE_ALIGN 32
 #elif HAVE_SIMD_ALIGN_16
 #   define STRIDE_ALIGN 16
@@ -101,6 +118,16 @@ typedef struct FramePool {
     int samples;
 } FramePool;
 
+typedef struct DecodeSimpleContext {
+    AVPacket *in_pkt;
+    AVFrame  *out_frame;
+} DecodeSimpleContext;
+
+typedef struct DecodeFilterContext {
+    AVBSFContext **bsfs;
+    int         nb_bsfs;
+} DecodeFilterContext;
+
 typedef struct AVCodecInternal {
     /**
      * Whether the parent AVCodecContext is a copy of the context which had
@@ -137,11 +164,14 @@ typedef struct AVCodecInternal {
 
     void *thread_ctx;
 
+    DecodeSimpleContext ds;
+    DecodeFilterContext filter;
+
     /**
-     * Current packet as passed into the decoder, to avoid having to pass the
-     * packet into every function.
+     * Properties (timestamps+side data) extracted from the last packet passed
+     * for decoding.
      */
-    AVPacket *pkt;
+    AVPacket *last_pkt_props;
 
     /**
      * temporary buffer used for encoders to store their bitstream
@@ -173,7 +203,23 @@ typedef struct AVCodecInternal {
     int buffer_pkt_valid; // encoding: packet without data can be valid
     AVFrame *buffer_frame;
     int draining_done;
+    /* set to 1 when the caller is using the old decoding API */
+    int compat_decode;
+    int compat_decode_warned;
+    /* this variable is set by the decoder internals to signal to the old
+     * API compat wrappers the amount of data consumed from the last packet */
+    size_t compat_decode_consumed;
+    /* when a partial packet has been consumed, this stores the remaining size
+     * of the packet (that should be submitted in the next decode call */
+    size_t compat_decode_partial_size;
+    AVFrame *compat_decode_frame;
+
     int showed_multi_packet_warning;
+
+    int skip_samples_multiplier;
+
+    /* to prevent infinite loop on errors when draining */
+    int nb_draining_errors;
 } AVCodecInternal;
 
 struct AVCodecDefault {
@@ -262,7 +308,7 @@ static av_always_inline int64_t ff_samples_to_time_base(AVCodecContext *avctx,
 static av_always_inline float ff_exp2fi(int x) {
     /* Normal range */
     if (-126 <= x && x <= 128)
-        return av_int2float(x+127 << 23);
+        return av_int2float((x+127) << 23);
     /* Too large */
     else if (x > 128)
         return INFINITY;
@@ -327,6 +373,10 @@ int ff_set_sar(AVCodecContext *avctx, AVRational sar);
 int ff_side_data_update_matrix_encoding(AVFrame *frame,
                                         enum AVMatrixEncoding matrix_encoding);
 
+#if FF_API_MERGE_SD
+int ff_packet_split_and_drop_side_data(AVPacket *pkt);
+#endif
+
 /**
  * Select the (possibly hardware accelerated) pixel format.
  * This is a wrapper around AVCodecContext.get_format() and should be used
@@ -361,4 +411,10 @@ int ff_side_data_set_encoder_stats(AVPacket *pkt, int quality, int64_t *error, i
 int ff_alloc_a53_sei(const AVFrame *frame, size_t prefix_len,
                      void **data, size_t *sei_size);
 
+/**
+ * Get an estimated video bitrate based on frame size, frame rate and coded
+ * bits per pixel.
+ */
+int64_t ff_guess_coded_bitrate(AVCodecContext *avctx);
+
 #endif /* AVCODEC_INTERNAL_H */
diff --git a/media/ffvpx/libavcodec/mathops.h b/media/ffvpx/libavcodec/mathops.h
index 5168dc2ce..1c3566431 100644
--- a/media/ffvpx/libavcodec/mathops.h
+++ b/media/ffvpx/libavcodec/mathops.h
@@ -25,6 +25,7 @@
 #include <stdint.h>
 
 #include "libavutil/common.h"
+#include "libavutil/reverse.h"
 #include "config.h"
 
 #define MAX_NEG_CROP 1024
@@ -96,15 +97,6 @@ static av_always_inline unsigned UMULH(unsigned a, unsigned b){
 #define mid_pred mid_pred
 static inline av_const int mid_pred(int a, int b, int c)
 {
-#if 0
-    int t= (a-b)&((a-b)>>31);
-    a-=t;
-    b+=t;
-    b-= (b-c)&((b-c)>>31);
-    b+= (a-b)&((a-b)>>31);
-
-    return b;
-#else
     if(a>b){
         if(c>b){
             if(c>a) b=a;
@@ -117,7 +109,6 @@ static inline av_const int mid_pred(int a, int b, int c)
         }
     }
     return b;
-#endif
 }
 #endif
 
@@ -249,4 +240,12 @@ static inline int8_t ff_u8_to_s8(uint8_t a)
     return b.s8;
 }
 
+static av_always_inline uint32_t bitswap_32(uint32_t x)
+{
+    return (uint32_t)ff_reverse[ x        & 0xFF] << 24 |
+           (uint32_t)ff_reverse[(x >> 8)  & 0xFF] << 16 |
+           (uint32_t)ff_reverse[(x >> 16) & 0xFF] << 8  |
+           (uint32_t)ff_reverse[ x >> 24];
+}
+
 #endif /* AVCODEC_MATHOPS_H */
diff --git a/media/ffvpx/libavcodec/me_cmp.h b/media/ffvpx/libavcodec/me_cmp.h
index 5666f59ad..0dbbcbb1d 100644
--- a/media/ffvpx/libavcodec/me_cmp.h
+++ b/media/ffvpx/libavcodec/me_cmp.h
@@ -76,7 +76,7 @@ typedef struct MECmpContext {
     me_cmp_func frame_skip_cmp[6]; // only width 8 used
 
     me_cmp_func pix_abs[2][4];
-    me_cmp_func median_sad[2];
+    me_cmp_func median_sad[6];
 } MECmpContext;
 
 void ff_me_cmp_init_static(void);
diff --git a/media/ffvpx/libavcodec/moz.build b/media/ffvpx/libavcodec/moz.build
index 443bbe978..9980e1556 100644
--- a/media/ffvpx/libavcodec/moz.build
+++ b/media/ffvpx/libavcodec/moz.build
@@ -16,7 +16,11 @@ SOURCES += [
     'avpacket.c',
     'avpicture.c',
     'bitstream.c',
+    'bitstream_filter.c',
+    'bitstream_filters.c',
+    'bsf.c',
     'codec_desc.c',
+    'decode.c',
     'dummy_funcs.c',
     'flac.c',
     'flac_parser.c',
@@ -28,6 +32,7 @@ SOURCES += [
     'imgconvert.c',
     'log2_tab.c',
     'mathtables.c',
+    'null_bsf.c',
     'options.c',
     'parser.c',
     'profiles.c',
@@ -48,10 +53,16 @@ SOURCES += [
     'vp8dsp.c',
     'vp9.c',
     'vp9_parser.c',
+    'vp9block.c',
+    'vp9data.c',
     'vp9dsp.c',
     'vp9dsp_10bpp.c',
     'vp9dsp_12bpp.c',
     'vp9dsp_8bpp.c',
+    'vp9lpf.c',
+    'vp9mvs.c',
+    'vp9prob.c',
+    'vp9recon.c',
     'xiph.c'
 ]
 
diff --git a/media/ffvpx/libavcodec/mpegvideo.h b/media/ffvpx/libavcodec/mpegvideo.h
index c82fa3e1a..e9eb633d1 100644
--- a/media/ffvpx/libavcodec/mpegvideo.h
+++ b/media/ffvpx/libavcodec/mpegvideo.h
@@ -422,6 +422,7 @@ typedef struct MpegEncContext {
     struct MJpegContext *mjpeg_ctx;
     int esc_pos;
     int pred;
+    int huffman;
 
     /* MSMPEG4 specific */
     int mv_table_index;
@@ -679,7 +680,7 @@ void ff_mpv_common_end(MpegEncContext *s);
 
 void ff_mpv_decode_defaults(MpegEncContext *s);
 void ff_mpv_decode_init(MpegEncContext *s, AVCodecContext *avctx);
-void ff_mpv_decode_mb(MpegEncContext *s, int16_t block[12][64]);
+void ff_mpv_reconstruct_mb(MpegEncContext *s, int16_t block[12][64]);
 void ff_mpv_report_decode_progress(MpegEncContext *s);
 
 int ff_mpv_frame_start(MpegEncContext *s, AVCodecContext *avctx);
diff --git a/media/ffvpx/libavcodec/null_bsf.c b/media/ffvpx/libavcodec/null_bsf.c
new file mode 100644
index 000000000..feb71248a
--- /dev/null
+++ b/media/ffvpx/libavcodec/null_bsf.c
@@ -0,0 +1,43 @@
+/*
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/**
+ * @file
+ * Null bitstream filter -- pass the input through unchanged.
+ */
+
+#include "avcodec.h"
+#include "bsf.h"
+
+static int null_filter(AVBSFContext *ctx, AVPacket *out)
+{
+    AVPacket *in;
+    int ret;
+
+    ret = ff_bsf_get_packet(ctx, &in);
+    if (ret < 0)
+        return ret;
+    av_packet_move_ref(out, in);
+    av_packet_free(&in);
+    return 0;
+}
+
+const AVBitStreamFilter ff_null_bsf = {
+    .name           = "null",
+    .filter         = null_filter,
+};
diff --git a/media/ffvpx/libavcodec/options.c b/media/ffvpx/libavcodec/options.c
index d8e3dbfa3..82e12179a 100644
--- a/media/ffvpx/libavcodec/options.c
+++ b/media/ffvpx/libavcodec/options.c
@@ -119,6 +119,7 @@ static int init_context_defaults(AVCodecContext *s, const AVCodec *codec)
     s->execute2            = avcodec_default_execute2;
     s->sample_aspect_ratio = (AVRational){0,1};
     s->pix_fmt             = AV_PIX_FMT_NONE;
+    s->sw_pix_fmt          = AV_PIX_FMT_NONE;
     s->sample_fmt          = AV_SAMPLE_FMT_NONE;
 
     s->reordered_opaque    = AV_NOPTS_VALUE;
@@ -187,6 +188,31 @@ void avcodec_free_context(AVCodecContext **pavctx)
 }
 
 #if FF_API_COPY_CONTEXT
+static void copy_context_reset(AVCodecContext *avctx)
+{
+    int i;
+
+    av_opt_free(avctx);
+#if FF_API_CODED_FRAME
+FF_DISABLE_DEPRECATION_WARNINGS
+    av_frame_free(&avctx->coded_frame);
+FF_ENABLE_DEPRECATION_WARNINGS
+#endif
+    av_freep(&avctx->rc_override);
+    av_freep(&avctx->intra_matrix);
+    av_freep(&avctx->inter_matrix);
+    av_freep(&avctx->extradata);
+    av_freep(&avctx->subtitle_header);
+    av_buffer_unref(&avctx->hw_frames_ctx);
+    av_buffer_unref(&avctx->hw_device_ctx);
+    for (i = 0; i < avctx->nb_coded_side_data; i++)
+        av_freep(&avctx->coded_side_data[i].data);
+    av_freep(&avctx->coded_side_data);
+    avctx->subtitle_header_size = 0;
+    avctx->nb_coded_side_data = 0;
+    avctx->extradata_size = 0;
+}
+
 int avcodec_copy_context(AVCodecContext *dest, const AVCodecContext *src)
 {
     const AVCodec *orig_codec = dest->codec;
@@ -199,12 +225,7 @@ int avcodec_copy_context(AVCodecContext *dest, const AVCodecContext *src)
         return AVERROR(EINVAL);
     }
 
-    av_opt_free(dest);
-    av_freep(&dest->rc_override);
-    av_freep(&dest->intra_matrix);
-    av_freep(&dest->inter_matrix);
-    av_freep(&dest->extradata);
-    av_freep(&dest->subtitle_header);
+    copy_context_reset(dest);
 
     memcpy(dest, src, sizeof(*dest));
     av_opt_copy(dest, src);
@@ -229,11 +250,14 @@ FF_ENABLE_DEPRECATION_WARNINGS
 
     /* reallocate values that should be allocated separately */
     dest->extradata       = NULL;
+    dest->coded_side_data = NULL;
     dest->intra_matrix    = NULL;
     dest->inter_matrix    = NULL;
     dest->rc_override     = NULL;
     dest->subtitle_header = NULL;
     dest->hw_frames_ctx   = NULL;
+    dest->hw_device_ctx   = NULL;
+    dest->nb_coded_side_data = 0;
 
 #define alloc_and_copy_or_fail(obj, size, pad) \
     if (src->obj && size > 0) { \
@@ -263,15 +287,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
     return 0;
 
 fail:
-    av_freep(&dest->subtitle_header);
-    av_freep(&dest->rc_override);
-    av_freep(&dest->intra_matrix);
-    av_freep(&dest->inter_matrix);
-    av_freep(&dest->extradata);
-    av_buffer_unref(&dest->hw_frames_ctx);
-    dest->subtitle_header_size = 0;
-    dest->extradata_size = 0;
-    av_opt_free(dest);
+    copy_context_reset(dest);
     return AVERROR(ENOMEM);
 }
 #endif
diff --git a/media/ffvpx/libavcodec/options_table.h b/media/ffvpx/libavcodec/options_table.h
index adfbe72bf..2ac37c3ff 100644
--- a/media/ffvpx/libavcodec/options_table.h
+++ b/media/ffvpx/libavcodec/options_table.h
@@ -106,12 +106,12 @@ static const AVOption avcodec_options[] = {
 {"umh", "umh motion estimation", 0, AV_OPT_TYPE_CONST, {.i64 = ME_UMH }, INT_MIN, INT_MAX, V|E, "me_method" },
 {"iter", "iter motion estimation", 0, AV_OPT_TYPE_CONST, {.i64 = ME_ITER }, INT_MIN, INT_MAX, V|E, "me_method" },
 #endif
-{"time_base", NULL, OFFSET(time_base), AV_OPT_TYPE_RATIONAL, {.dbl = 0}, INT_MIN, INT_MAX},
+{"time_base", NULL, OFFSET(time_base), AV_OPT_TYPE_RATIONAL, {.dbl = 0}, 0, INT_MAX},
 {"g", "set the group of picture (GOP) size", OFFSET(gop_size), AV_OPT_TYPE_INT, {.i64 = 12 }, INT_MIN, INT_MAX, V|E},
 {"ar", "set audio sampling rate (in Hz)", OFFSET(sample_rate), AV_OPT_TYPE_INT, {.i64 = DEFAULT }, 0, INT_MAX, A|D|E},
 {"ac", "set number of audio channels", OFFSET(channels), AV_OPT_TYPE_INT, {.i64 = DEFAULT }, 0, INT_MAX, A|D|E},
 {"cutoff", "set cutoff bandwidth", OFFSET(cutoff), AV_OPT_TYPE_INT, {.i64 = DEFAULT }, INT_MIN, INT_MAX, A|E},
-{"frame_size", NULL, OFFSET(frame_size), AV_OPT_TYPE_INT, {.i64 = DEFAULT }, INT_MIN, INT_MAX, A|E},
+{"frame_size", NULL, OFFSET(frame_size), AV_OPT_TYPE_INT, {.i64 = DEFAULT }, 0, INT_MAX, A|E},
 {"frame_number", NULL, OFFSET(frame_number), AV_OPT_TYPE_INT, {.i64 = DEFAULT }, INT_MIN, INT_MAX},
 {"delay", NULL, OFFSET(delay), AV_OPT_TYPE_INT, {.i64 = DEFAULT }, INT_MIN, INT_MAX},
 {"qcomp", "video quantizer scale compression (VBR). Constant of ratecontrol equation. "
@@ -163,6 +163,7 @@ static const AVOption avcodec_options[] = {
 {"dc_clip", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = FF_BUG_DC_CLIP }, INT_MIN, INT_MAX, V|D, "bug"},
 {"ms", "work around various bugs in Microsoft's broken decoders", 0, AV_OPT_TYPE_CONST, {.i64 = FF_BUG_MS }, INT_MIN, INT_MAX, V|D, "bug"},
 {"trunc", "truncated frames", 0, AV_OPT_TYPE_CONST, {.i64 = FF_BUG_TRUNCATED}, INT_MIN, INT_MAX, V|D, "bug"},
+{"iedge", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = FF_BUG_IEDGE }, INT_MIN, INT_MAX, V|D, "bug"},
 {"strict", "how strictly to follow the standards", OFFSET(strict_std_compliance), AV_OPT_TYPE_INT, {.i64 = DEFAULT }, INT_MIN, INT_MAX, A|V|D|E, "strict"},
 {"very", "strictly conform to a older more strict version of the spec or reference software", 0, AV_OPT_TYPE_CONST, {.i64 = FF_COMPLIANCE_VERY_STRICT }, INT_MIN, INT_MAX, A|V|D|E, "strict"},
 {"strict", "strictly conform to all the things in the spec no matter what the consequences", 0, AV_OPT_TYPE_CONST, {.i64 = FF_COMPLIANCE_STRICT }, INT_MIN, INT_MAX, A|V|D|E, "strict"},
@@ -179,8 +180,8 @@ static const AVOption avcodec_options[] = {
 {"careful",    "consider things that violate the spec, are fast to check and have not been seen in the wild as errors", 0, AV_OPT_TYPE_CONST, {.i64 = AV_EF_CAREFUL }, INT_MIN, INT_MAX, A|V|D, "err_detect"},
 {"compliant",  "consider all spec non compliancies as errors", 0, AV_OPT_TYPE_CONST, {.i64 = AV_EF_COMPLIANT }, INT_MIN, INT_MAX, A|V|D, "err_detect"},
 {"aggressive", "consider things that a sane encoder should not do as an error", 0, AV_OPT_TYPE_CONST, {.i64 = AV_EF_AGGRESSIVE }, INT_MIN, INT_MAX, A|V|D, "err_detect"},
-{"has_b_frames", NULL, OFFSET(has_b_frames), AV_OPT_TYPE_INT, {.i64 = DEFAULT }, INT_MIN, INT_MAX},
-{"block_align", NULL, OFFSET(block_align), AV_OPT_TYPE_INT, {.i64 = DEFAULT }, INT_MIN, INT_MAX},
+{"has_b_frames", NULL, OFFSET(has_b_frames), AV_OPT_TYPE_INT, {.i64 = DEFAULT }, 0, INT_MAX},
+{"block_align", NULL, OFFSET(block_align), AV_OPT_TYPE_INT, {.i64 = DEFAULT }, 0, INT_MAX},
 #if FF_API_PRIVATE_OPT
 {"mpeg_quant", "use MPEG quantizers instead of H.263", OFFSET(mpeg_quant), AV_OPT_TYPE_INT, {.i64 = DEFAULT }, INT_MIN, INT_MAX, V|E},
 #endif
@@ -246,7 +247,7 @@ static const AVOption avcodec_options[] = {
 {"guess_mvs", "iterative motion vector (MV) search (slow)", 0, AV_OPT_TYPE_CONST, {.i64 = FF_EC_GUESS_MVS }, INT_MIN, INT_MAX, V|D, "ec"},
 {"deblock", "use strong deblock filter for damaged MBs", 0, AV_OPT_TYPE_CONST, {.i64 = FF_EC_DEBLOCK }, INT_MIN, INT_MAX, V|D, "ec"},
 {"favor_inter", "favor predicting from the previous frame", 0, AV_OPT_TYPE_CONST, {.i64 = FF_EC_FAVOR_INTER }, INT_MIN, INT_MAX, V|D, "ec"},
-{"bits_per_coded_sample", NULL, OFFSET(bits_per_coded_sample), AV_OPT_TYPE_INT, {.i64 = DEFAULT }, INT_MIN, INT_MAX},
+{"bits_per_coded_sample", NULL, OFFSET(bits_per_coded_sample), AV_OPT_TYPE_INT, {.i64 = DEFAULT }, 0, INT_MAX},
 #if FF_API_PRIVATE_OPT
 {"pred", "prediction method", OFFSET(prediction_method), AV_OPT_TYPE_INT, {.i64 = DEFAULT }, INT_MIN, INT_MAX, V|E, "pred"},
 {"left", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = FF_PRED_LEFT }, INT_MIN, INT_MAX, V|E, "pred"},
@@ -274,8 +275,10 @@ static const AVOption avcodec_options[] = {
 {"er", "error recognition", 0, AV_OPT_TYPE_CONST, {.i64 = FF_DEBUG_ER }, INT_MIN, INT_MAX, V|D, "debug"},
 {"mmco", "memory management control operations (H.264)", 0, AV_OPT_TYPE_CONST, {.i64 = FF_DEBUG_MMCO }, INT_MIN, INT_MAX, V|D, "debug"},
 {"bugs", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = FF_DEBUG_BUGS }, INT_MIN, INT_MAX, V|D, "debug"},
+#if FF_API_DEBUG_MV
 {"vis_qp", "visualize quantization parameter (QP), lower QP are tinted greener", 0, AV_OPT_TYPE_CONST, {.i64 = FF_DEBUG_VIS_QP }, INT_MIN, INT_MAX, V|D, "debug"},
 {"vis_mb_type", "visualize block types", 0, AV_OPT_TYPE_CONST, {.i64 = FF_DEBUG_VIS_MB_TYPE }, INT_MIN, INT_MAX, V|D, "debug"},
+#endif
 {"buffers", "picture buffer allocations", 0, AV_OPT_TYPE_CONST, {.i64 = FF_DEBUG_BUFFERS }, INT_MIN, INT_MAX, V|D, "debug"},
 {"thread_ops", "threading operations", 0, AV_OPT_TYPE_CONST, {.i64 = FF_DEBUG_THREADS }, INT_MIN, INT_MAX, V|A|D, "debug"},
 {"nomc", "skip motion compensation", 0, AV_OPT_TYPE_CONST, {.i64 = FF_DEBUG_NOMC }, INT_MIN, INT_MAX, V|A|D, "debug"},
@@ -312,6 +315,7 @@ static const AVOption avcodec_options[] = {
 #endif
 {"dctmax", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = FF_CMP_DCTMAX }, INT_MIN, INT_MAX, V|E, "cmp_func"},
 {"chroma", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = FF_CMP_CHROMA }, INT_MIN, INT_MAX, V|E, "cmp_func"},
+{"msad", "sum of absolute differences, median predicted", 0, AV_OPT_TYPE_CONST, {.i64 = FF_CMP_MEDIAN_SAD }, INT_MIN, INT_MAX, V|E, "cmp_func"},
 {"pre_dia_size", "diamond type & size for motion estimation pre-pass", OFFSET(pre_dia_size), AV_OPT_TYPE_INT, {.i64 = DEFAULT }, INT_MIN, INT_MAX, V|E},
 {"subq", "sub-pel motion estimation quality", OFFSET(me_subpel_quality), AV_OPT_TYPE_INT, {.i64 = 8 }, INT_MIN, INT_MAX, V|E},
 #if FF_API_AFD
@@ -393,6 +397,7 @@ static const AVOption avcodec_options[] = {
 {"mpeg4_core", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = FF_PROFILE_MPEG4_CORE }, INT_MIN, INT_MAX, V|E, "profile"},
 {"mpeg4_main", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = FF_PROFILE_MPEG4_MAIN }, INT_MIN, INT_MAX, V|E, "profile"},
 {"mpeg4_asp",  NULL, 0, AV_OPT_TYPE_CONST, {.i64 = FF_PROFILE_MPEG4_ADVANCED_SIMPLE }, INT_MIN, INT_MAX, V|E, "profile"},
+{"main10",  NULL, 0, AV_OPT_TYPE_CONST, {.i64 = FF_PROFILE_HEVC_MAIN_10 }, INT_MIN, INT_MAX, V|E, "profile"},
 {"level", NULL, OFFSET(level), AV_OPT_TYPE_INT, {.i64 = FF_LEVEL_UNKNOWN }, INT_MIN, INT_MAX, V|A|E, "level"},
 {"unknown", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = FF_LEVEL_UNKNOWN }, INT_MIN, INT_MAX, V|A|E, "level"},
 {"lowres", "decode at 1= 1/2, 2=1/4, 3=1/8 resolutions", OFFSET(lowres), AV_OPT_TYPE_INT, {.i64 = 0 }, 0, INT_MAX, V|A|D},
@@ -443,30 +448,46 @@ static const AVOption avcodec_options[] = {
 {"max_prediction_order", NULL, OFFSET(max_prediction_order), AV_OPT_TYPE_INT, {.i64 = -1 }, INT_MIN, INT_MAX, A|E},
 {"timecode_frame_start", "GOP timecode frame start number, in non-drop-frame format", OFFSET(timecode_frame_start), AV_OPT_TYPE_INT64, {.i64 = -1 }, -1, INT64_MAX, V|E},
 #endif
-{"bits_per_raw_sample", NULL, OFFSET(bits_per_raw_sample), AV_OPT_TYPE_INT, {.i64 = DEFAULT }, INT_MIN, INT_MAX},
-{"channel_layout", NULL, OFFSET(channel_layout), AV_OPT_TYPE_INT64, {.i64 = DEFAULT }, 0, INT64_MAX, A|E|D, "channel_layout"},
-{"request_channel_layout", NULL, OFFSET(request_channel_layout), AV_OPT_TYPE_INT64, {.i64 = DEFAULT }, 0, INT64_MAX, A|D, "request_channel_layout"},
+{"bits_per_raw_sample", NULL, OFFSET(bits_per_raw_sample), AV_OPT_TYPE_INT, {.i64 = DEFAULT }, 0, INT_MAX},
+{"channel_layout", NULL, OFFSET(channel_layout), AV_OPT_TYPE_UINT64, {.i64 = DEFAULT }, 0, UINT64_MAX, A|E|D, "channel_layout"},
+{"request_channel_layout", NULL, OFFSET(request_channel_layout), AV_OPT_TYPE_UINT64, {.i64 = DEFAULT }, 0, UINT64_MAX, A|D, "request_channel_layout"},
 {"rc_max_vbv_use", NULL, OFFSET(rc_max_available_vbv_use), AV_OPT_TYPE_FLOAT, {.dbl = 0 }, 0.0, FLT_MAX, V|E},
 {"rc_min_vbv_use", NULL, OFFSET(rc_min_vbv_overflow_use),  AV_OPT_TYPE_FLOAT, {.dbl = 3 },     0.0, FLT_MAX, V|E},
 {"ticks_per_frame", NULL, OFFSET(ticks_per_frame), AV_OPT_TYPE_INT, {.i64 = 1 }, 1, INT_MAX, A|V|E|D},
-{"color_primaries", "color primaries", OFFSET(color_primaries), AV_OPT_TYPE_INT, {.i64 = AVCOL_PRI_UNSPECIFIED }, 1, AVCOL_PRI_NB-1, V|E|D, "color_primaries_type"},
+{"color_primaries", "color primaries", OFFSET(color_primaries), AV_OPT_TYPE_INT, {.i64 = AVCOL_PRI_UNSPECIFIED }, 1, INT_MAX, V|E|D, "color_primaries_type"},
 {"bt709",       "BT.709",         0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_PRI_BT709 },        INT_MIN, INT_MAX, V|E|D, "color_primaries_type"},
-{"unspecified", "Unspecified",    0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_PRI_UNSPECIFIED },  INT_MIN, INT_MAX, V|E|D, "color_primaries_type"},
+{"unknown",     "Unspecified",    0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_PRI_UNSPECIFIED },  INT_MIN, INT_MAX, V|E|D, "color_primaries_type"},
 {"bt470m",      "BT.470 M",       0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_PRI_BT470M },       INT_MIN, INT_MAX, V|E|D, "color_primaries_type"},
 {"bt470bg",     "BT.470 BG",      0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_PRI_BT470BG },      INT_MIN, INT_MAX, V|E|D, "color_primaries_type"},
 {"smpte170m",   "SMPTE 170 M",    0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_PRI_SMPTE170M },    INT_MIN, INT_MAX, V|E|D, "color_primaries_type"},
 {"smpte240m",   "SMPTE 240 M",    0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_PRI_SMPTE240M },    INT_MIN, INT_MAX, V|E|D, "color_primaries_type"},
 {"film",        "Film",           0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_PRI_FILM },         INT_MIN, INT_MAX, V|E|D, "color_primaries_type"},
 {"bt2020",      "BT.2020",        0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_PRI_BT2020 },       INT_MIN, INT_MAX, V|E|D, "color_primaries_type"},
-{"smpte428_1",  "SMPTE ST 428-1", 0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_PRI_SMPTEST428_1 }, INT_MIN, INT_MAX, V|E|D, "color_primaries_type"},
-{"color_trc", "color transfer characteristics", OFFSET(color_trc), AV_OPT_TYPE_INT, {.i64 = AVCOL_TRC_UNSPECIFIED }, 1, AVCOL_TRC_NB-1, V|E|D, "color_trc_type"},
+{"smpte428",    "SMPTE 428-1",    0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_PRI_SMPTE428 },     INT_MIN, INT_MAX, V|E|D, "color_primaries_type"},
+{"smpte428_1",  "SMPTE 428-1",    0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_PRI_SMPTE428 },     INT_MIN, INT_MAX, V|E|D, "color_primaries_type"},
+{"smpte431",    "SMPTE 431-2",    0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_PRI_SMPTE431 },     INT_MIN, INT_MAX, V|E|D, "color_primaries_type"},
+{"smpte432",    "SMPTE 422-1",    0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_PRI_SMPTE432 },     INT_MIN, INT_MAX, V|E|D, "color_primaries_type"},
+{"jedec-p22",   "JEDEC P22",      0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_PRI_JEDEC_P22 },    INT_MIN, INT_MAX, V|E|D, "color_primaries_type"},
+{"unspecified", "Unspecified",    0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_PRI_UNSPECIFIED },  INT_MIN, INT_MAX, V|E|D, "color_primaries_type"},
+{"color_trc", "color transfer characteristics", OFFSET(color_trc), AV_OPT_TYPE_INT, {.i64 = AVCOL_TRC_UNSPECIFIED }, 1, INT_MAX, V|E|D, "color_trc_type"},
 {"bt709",        "BT.709",           0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_TRC_BT709 },        INT_MIN, INT_MAX, V|E|D, "color_trc_type"},
-{"unspecified",  "Unspecified",      0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_TRC_UNSPECIFIED },  INT_MIN, INT_MAX, V|E|D, "color_trc_type"},
+{"unknown",      "Unspecified",      0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_TRC_UNSPECIFIED },  INT_MIN, INT_MAX, V|E|D, "color_trc_type"},
 {"gamma22",      "BT.470 M",         0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_TRC_GAMMA22 },      INT_MIN, INT_MAX, V|E|D, "color_trc_type"},
 {"gamma28",      "BT.470 BG",        0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_TRC_GAMMA28 },      INT_MIN, INT_MAX, V|E|D, "color_trc_type"},
 {"smpte170m",    "SMPTE 170 M",      0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_TRC_SMPTE170M },    INT_MIN, INT_MAX, V|E|D, "color_trc_type"},
 {"smpte240m",    "SMPTE 240 M",      0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_TRC_SMPTE240M },    INT_MIN, INT_MAX, V|E|D, "color_trc_type"},
 {"linear",       "Linear",           0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_TRC_LINEAR },       INT_MIN, INT_MAX, V|E|D, "color_trc_type"},
+{"log100",       "Log",              0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_TRC_LOG },          INT_MIN, INT_MAX, V|E|D, "color_trc_type"},
+{"log316",       "Log square root",  0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_TRC_LOG_SQRT },     INT_MIN, INT_MAX, V|E|D, "color_trc_type"},
+{"iec61966-2-4", "IEC 61966-2-4",    0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_TRC_IEC61966_2_4 }, INT_MIN, INT_MAX, V|E|D, "color_trc_type"},
+{"bt1361e",      "BT.1361",          0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_TRC_BT1361_ECG },   INT_MIN, INT_MAX, V|E|D, "color_trc_type"},
+{"iec61966-2-1", "IEC 61966-2-1",    0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_TRC_IEC61966_2_1 }, INT_MIN, INT_MAX, V|E|D, "color_trc_type"},
+{"bt2020-10",    "BT.2020 - 10 bit", 0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_TRC_BT2020_10 },    INT_MIN, INT_MAX, V|E|D, "color_trc_type"},
+{"bt2020-12",    "BT.2020 - 12 bit", 0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_TRC_BT2020_12 },    INT_MIN, INT_MAX, V|E|D, "color_trc_type"},
+{"smpte2084",    "SMPTE 2084",       0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_TRC_SMPTE2084 },    INT_MIN, INT_MAX, V|E|D, "color_trc_type"},
+{"smpte428",     "SMPTE 428-1",      0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_TRC_SMPTE428 },     INT_MIN, INT_MAX, V|E|D, "color_trc_type"},
+{"arib-std-b67", "ARIB STD-B67",     0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_TRC_ARIB_STD_B67 }, INT_MIN, INT_MAX, V|E|D, "color_trc_type"},
+{"unspecified",  "Unspecified",      0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_TRC_UNSPECIFIED },  INT_MIN, INT_MAX, V|E|D, "color_trc_type"},
 {"log",          "Log",              0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_TRC_LOG },          INT_MIN, INT_MAX, V|E|D, "color_trc_type"},
 {"log_sqrt",     "Log square root",  0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_TRC_LOG_SQRT },     INT_MIN, INT_MAX, V|E|D, "color_trc_type"},
 {"iec61966_2_4", "IEC 61966-2-4",    0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_TRC_IEC61966_2_4 }, INT_MIN, INT_MAX, V|E|D, "color_trc_type"},
@@ -474,31 +495,39 @@ static const AVOption avcodec_options[] = {
 {"iec61966_2_1", "IEC 61966-2-1",    0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_TRC_IEC61966_2_1 }, INT_MIN, INT_MAX, V|E|D, "color_trc_type"},
 {"bt2020_10bit", "BT.2020 - 10 bit", 0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_TRC_BT2020_10 },    INT_MIN, INT_MAX, V|E|D, "color_trc_type"},
 {"bt2020_12bit", "BT.2020 - 12 bit", 0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_TRC_BT2020_12 },    INT_MIN, INT_MAX, V|E|D, "color_trc_type"},
-{"smpte2084",    "SMPTE ST 2084",    0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_TRC_SMPTEST2084 },  INT_MIN, INT_MAX, V|E|D, "color_trc_type"},
-{"smpte428_1",   "SMPTE ST 428-1",   0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_TRC_SMPTEST428_1 }, INT_MIN, INT_MAX, V|E|D, "color_trc_type"},
-{"colorspace", "color space", OFFSET(colorspace), AV_OPT_TYPE_INT, {.i64 = AVCOL_SPC_UNSPECIFIED }, 0, AVCOL_SPC_NB-1, V|E|D, "colorspace_type"},
+{"smpte428_1",   "SMPTE 428-1",      0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_TRC_SMPTE428 },     INT_MIN, INT_MAX, V|E|D, "color_trc_type"},
+{"colorspace", "color space", OFFSET(colorspace), AV_OPT_TYPE_INT, {.i64 = AVCOL_SPC_UNSPECIFIED }, 0, INT_MAX, V|E|D, "colorspace_type"},
 {"rgb",         "RGB",         0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_SPC_RGB },         INT_MIN, INT_MAX, V|E|D, "colorspace_type"},
 {"bt709",       "BT.709",      0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_SPC_BT709 },       INT_MIN, INT_MAX, V|E|D, "colorspace_type"},
-{"unspecified", "Unspecified", 0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_SPC_UNSPECIFIED }, INT_MIN, INT_MAX, V|E|D, "colorspace_type"},
+{"unknown",     "Unspecified", 0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_SPC_UNSPECIFIED }, INT_MIN, INT_MAX, V|E|D, "colorspace_type"},
 {"fcc",         "FCC",         0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_SPC_FCC },         INT_MIN, INT_MAX, V|E|D, "colorspace_type"},
 {"bt470bg",     "BT.470 BG",   0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_SPC_BT470BG },     INT_MIN, INT_MAX, V|E|D, "colorspace_type"},
 {"smpte170m",   "SMPTE 170 M", 0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_SPC_SMPTE170M },   INT_MIN, INT_MAX, V|E|D, "colorspace_type"},
 {"smpte240m",   "SMPTE 240 M", 0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_SPC_SMPTE240M },   INT_MIN, INT_MAX, V|E|D, "colorspace_type"},
-{"ycocg",       "YCOCG",       0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_SPC_YCOCG },       INT_MIN, INT_MAX, V|E|D, "colorspace_type"},
+{"ycgco",       "YCGCO",       0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_SPC_YCGCO },       INT_MIN, INT_MAX, V|E|D, "colorspace_type"},
+{"bt2020nc",    "BT.2020 NCL", 0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_SPC_BT2020_NCL },  INT_MIN, INT_MAX, V|E|D, "colorspace_type"},
+{"bt2020c",     "BT.2020 CL",  0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_SPC_BT2020_CL },   INT_MIN, INT_MAX, V|E|D, "colorspace_type"},
+{"smpte2085",   "SMPTE 2085",  0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_SPC_SMPTE2085 },   INT_MIN, INT_MAX, V|E|D, "colorspace_type"},
+{"unspecified", "Unspecified", 0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_SPC_UNSPECIFIED }, INT_MIN, INT_MAX, V|E|D, "colorspace_type"},
+{"ycocg",       "YCGCO",       0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_SPC_YCGCO },       INT_MIN, INT_MAX, V|E|D, "colorspace_type"},
 {"bt2020_ncl",  "BT.2020 NCL", 0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_SPC_BT2020_NCL },  INT_MIN, INT_MAX, V|E|D, "colorspace_type"},
 {"bt2020_cl",   "BT.2020 CL",  0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_SPC_BT2020_CL },   INT_MIN, INT_MAX, V|E|D, "colorspace_type"},
-{"color_range", "color range", OFFSET(color_range), AV_OPT_TYPE_INT, {.i64 = AVCOL_RANGE_UNSPECIFIED }, 0, AVCOL_RANGE_NB-1, V|E|D, "color_range_type"},
+{"color_range", "color range", OFFSET(color_range), AV_OPT_TYPE_INT, {.i64 = AVCOL_RANGE_UNSPECIFIED }, 0, INT_MAX, V|E|D, "color_range_type"},
+{"unknown", "Unspecified",     0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_RANGE_UNSPECIFIED }, INT_MIN, INT_MAX, V|E|D, "color_range_type"},
+{"tv", "MPEG (219*2^(n-8))",   0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_RANGE_MPEG },        INT_MIN, INT_MAX, V|E|D, "color_range_type"},
+{"pc", "JPEG (2^n-1)",         0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_RANGE_JPEG },        INT_MIN, INT_MAX, V|E|D, "color_range_type"},
 {"unspecified", "Unspecified", 0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_RANGE_UNSPECIFIED }, INT_MIN, INT_MAX, V|E|D, "color_range_type"},
 {"mpeg", "MPEG (219*2^(n-8))", 0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_RANGE_MPEG },        INT_MIN, INT_MAX, V|E|D, "color_range_type"},
 {"jpeg", "JPEG (2^n-1)",       0, AV_OPT_TYPE_CONST, {.i64 = AVCOL_RANGE_JPEG },        INT_MIN, INT_MAX, V|E|D, "color_range_type"},
-{"chroma_sample_location", "chroma sample location", OFFSET(chroma_sample_location), AV_OPT_TYPE_INT, {.i64 = AVCHROMA_LOC_UNSPECIFIED }, 0, AVCHROMA_LOC_NB-1, V|E|D, "chroma_sample_location_type"},
-{"unspecified", "Unspecified", 0, AV_OPT_TYPE_CONST, {.i64 = AVCHROMA_LOC_UNSPECIFIED }, INT_MIN, INT_MAX, V|E|D, "chroma_sample_location_type"},
+{"chroma_sample_location", "chroma sample location", OFFSET(chroma_sample_location), AV_OPT_TYPE_INT, {.i64 = AVCHROMA_LOC_UNSPECIFIED }, 0, INT_MAX, V|E|D, "chroma_sample_location_type"},
+{"unknown",     "Unspecified", 0, AV_OPT_TYPE_CONST, {.i64 = AVCHROMA_LOC_UNSPECIFIED }, INT_MIN, INT_MAX, V|E|D, "chroma_sample_location_type"},
 {"left",        "Left",        0, AV_OPT_TYPE_CONST, {.i64 = AVCHROMA_LOC_LEFT },        INT_MIN, INT_MAX, V|E|D, "chroma_sample_location_type"},
 {"center",      "Center",      0, AV_OPT_TYPE_CONST, {.i64 = AVCHROMA_LOC_CENTER },      INT_MIN, INT_MAX, V|E|D, "chroma_sample_location_type"},
 {"topleft",     "Top-left",    0, AV_OPT_TYPE_CONST, {.i64 = AVCHROMA_LOC_TOPLEFT },     INT_MIN, INT_MAX, V|E|D, "chroma_sample_location_type"},
 {"top",         "Top",         0, AV_OPT_TYPE_CONST, {.i64 = AVCHROMA_LOC_TOP },         INT_MIN, INT_MAX, V|E|D, "chroma_sample_location_type"},
 {"bottomleft",  "Bottom-left", 0, AV_OPT_TYPE_CONST, {.i64 = AVCHROMA_LOC_BOTTOMLEFT },  INT_MIN, INT_MAX, V|E|D, "chroma_sample_location_type"},
 {"bottom",      "Bottom",      0, AV_OPT_TYPE_CONST, {.i64 = AVCHROMA_LOC_BOTTOM },      INT_MIN, INT_MAX, V|E|D, "chroma_sample_location_type"},
+{"unspecified", "Unspecified", 0, AV_OPT_TYPE_CONST, {.i64 = AVCHROMA_LOC_UNSPECIFIED }, INT_MIN, INT_MAX, V|E|D, "chroma_sample_location_type"},
 {"log_level_offset", "set the log level offset", OFFSET(log_level_offset), AV_OPT_TYPE_INT, {.i64 = 0 }, INT_MIN, INT_MAX },
 {"slices", "set the number of slices, used in parallelized encoding", OFFSET(slices), AV_OPT_TYPE_INT, {.i64 = 0 }, 0, INT_MAX, V|E},
 {"thread_type", "select multithreading type", OFFSET(thread_type), AV_OPT_TYPE_FLAGS, {.i64 = FF_THREAD_SLICE|FF_THREAD_FRAME }, 0, INT_MAX, V|A|E|D, "thread_type"},
@@ -534,6 +563,7 @@ static const AVOption avcodec_options[] = {
 #if FF_API_SIDEDATA_ONLY_PKT
 {"side_data_only_packets", NULL, OFFSET(side_data_only_packets), AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, A|V|E },
 #endif
+{"apply_cropping", NULL, OFFSET(apply_cropping), AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, V | D },
 {"skip_alpha", "Skip processing alpha", OFFSET(skip_alpha), AV_OPT_TYPE_BOOL, {.i64 = 0 }, 0, 1, V|D },
 {"field_order", "Field order", OFFSET(field_order), AV_OPT_TYPE_INT, {.i64 = AV_FIELD_UNKNOWN }, 0, 5, V|D|E, "field_order" },
 {"progressive", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = AV_FIELD_PROGRESSIVE }, 0, 0, V|D|E, "field_order" },
@@ -545,6 +575,11 @@ static const AVOption avcodec_options[] = {
 {"codec_whitelist", "List of decoders that are allowed to be used", OFFSET(codec_whitelist), AV_OPT_TYPE_STRING, { .str = NULL },  CHAR_MIN, CHAR_MAX, A|V|S|D },
 {"pixel_format", "set pixel format", OFFSET(pix_fmt), AV_OPT_TYPE_PIXEL_FMT, {.i64=AV_PIX_FMT_NONE}, -1, INT_MAX, 0 },
 {"video_size", "set video size", OFFSET(width), AV_OPT_TYPE_IMAGE_SIZE, {.str=NULL}, 0, INT_MAX, 0 },
+{"max_pixels", "Maximum number of pixels", OFFSET(max_pixels), AV_OPT_TYPE_INT64, {.i64 = INT_MAX }, 0, INT_MAX, A|V|S|D|E },
+{"hwaccel_flags", NULL, OFFSET(hwaccel_flags), AV_OPT_TYPE_FLAGS, {.i64 = AV_HWACCEL_FLAG_IGNORE_LEVEL }, 0, UINT_MAX, V|D, "hwaccel_flags"},
+{"ignore_level", "ignore level even if the codec level used is unknown or higher than the maximum supported level reported by the hardware driver", 0, AV_OPT_TYPE_CONST, { .i64 = AV_HWACCEL_FLAG_IGNORE_LEVEL }, INT_MIN, INT_MAX, V | D, "hwaccel_flags" },
+{"allow_high_depth", "allow to output YUV pixel formats with a different chroma sampling than 4:2:0 and/or other than 8 bits per component", 0, AV_OPT_TYPE_CONST, {.i64 = AV_HWACCEL_FLAG_ALLOW_HIGH_DEPTH }, INT_MIN, INT_MAX, V | D, "hwaccel_flags"},
+{"allow_profile_mismatch", "attempt to decode anyway if HW accelerated decoder's supported profiles do not exactly match the stream", 0, AV_OPT_TYPE_CONST, {.i64 = AV_HWACCEL_FLAG_ALLOW_PROFILE_MISMATCH }, INT_MIN, INT_MAX, V | D, "hwaccel_flags"},
 {NULL},
 };
 
diff --git a/media/ffvpx/libavcodec/parser.c b/media/ffvpx/libavcodec/parser.c
index 30cfc55cb..670680ea7 100644
--- a/media/ffvpx/libavcodec/parser.c
+++ b/media/ffvpx/libavcodec/parser.c
@@ -20,6 +20,7 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
+#include <inttypes.h>
 #include <stdint.h>
 #include <string.h>
 
@@ -251,7 +252,7 @@ int ff_combine_frame(ParseContext *pc, int next,
                      const uint8_t **buf, int *buf_size)
 {
     if (pc->overread) {
-        ff_dlog(NULL, "overread %d, state:%X next:%d index:%d o_index:%d\n",
+        ff_dlog(NULL, "overread %d, state:%"PRIX32" next:%d index:%d o_index:%d\n",
                 pc->overread, pc->state, next, pc->index, pc->overread_index);
         ff_dlog(NULL, "%X %X %X %X\n",
                 (*buf)[0], (*buf)[1], (*buf)[2], (*buf)[3]);
@@ -284,6 +285,8 @@ int ff_combine_frame(ParseContext *pc, int next,
         return -1;
     }
 
+    av_assert0(next >= 0 || pc->buffer);
+
     *buf_size          =
     pc->overread_index = pc->index + next;
 
@@ -314,7 +317,7 @@ int ff_combine_frame(ParseContext *pc, int next,
     }
 
     if (pc->overread) {
-        ff_dlog(NULL, "overread %d, state:%X next:%d index:%d o_index:%d\n",
+        ff_dlog(NULL, "overread %d, state:%"PRIX32" next:%d index:%d o_index:%d\n",
                 pc->overread, pc->state, next, pc->index, pc->overread_index);
         ff_dlog(NULL, "%X %X %X %X\n",
                 (*buf)[0], (*buf)[1], (*buf)[2], (*buf)[3]);
diff --git a/media/ffvpx/libavcodec/pixblockdsp.h b/media/ffvpx/libavcodec/pixblockdsp.h
index 79ed86c3a..e036700ff 100644
--- a/media/ffvpx/libavcodec/pixblockdsp.h
+++ b/media/ffvpx/libavcodec/pixblockdsp.h
@@ -21,16 +21,23 @@
 
 #include <stdint.h>
 
+#include "config.h"
+
 #include "avcodec.h"
 
 typedef struct PixblockDSPContext {
-    void (*get_pixels)(int16_t *block /* align 16 */,
+    void (*get_pixels)(int16_t *av_restrict block /* align 16 */,
                        const uint8_t *pixels /* align 8 */,
-                       ptrdiff_t line_size);
-    void (*diff_pixels)(int16_t *block /* align 16 */,
+                       ptrdiff_t stride);
+    void (*diff_pixels)(int16_t *av_restrict block /* align 16 */,
                         const uint8_t *s1 /* align 8 */,
                         const uint8_t *s2 /* align 8 */,
-                        int stride);
+                        ptrdiff_t stride);
+    void (*diff_pixels_unaligned)(int16_t *av_restrict block /* align 16 */,
+                        const uint8_t *s1,
+                        const uint8_t *s2,
+                        ptrdiff_t stride);
+
 } PixblockDSPContext;
 
 void ff_pixblockdsp_init(PixblockDSPContext *c, AVCodecContext *avctx);
diff --git a/media/ffvpx/libavcodec/profiles.c b/media/ffvpx/libavcodec/profiles.c
index da745e139..30498efed 100644
--- a/media/ffvpx/libavcodec/profiles.c
+++ b/media/ffvpx/libavcodec/profiles.c
@@ -46,6 +46,16 @@ const AVProfile ff_dca_profiles[] = {
     { FF_PROFILE_UNKNOWN },
 };
 
+const AVProfile ff_dnxhd_profiles[] = {
+  { FF_PROFILE_DNXHD,      "DNXHD"},
+  { FF_PROFILE_DNXHR_LB,   "DNXHR LB"},
+  { FF_PROFILE_DNXHR_SQ,   "DNXHR SQ"},
+  { FF_PROFILE_DNXHR_HQ,   "DNXHR HQ" },
+  { FF_PROFILE_DNXHR_HQX,  "DNXHR HQX"},
+  { FF_PROFILE_DNXHR_444,  "DNXHR 444"},
+  { FF_PROFILE_UNKNOWN },
+};
+
 const AVProfile ff_h264_profiles[] = {
     { FF_PROFILE_H264_BASELINE,             "Baseline"              },
     { FF_PROFILE_H264_CONSTRAINED_BASELINE, "Constrained Baseline"  },
@@ -60,6 +70,8 @@ const AVProfile ff_h264_profiles[] = {
     { FF_PROFILE_H264_HIGH_444_PREDICTIVE,  "High 4:4:4 Predictive" },
     { FF_PROFILE_H264_HIGH_444_INTRA,       "High 4:4:4 Intra"      },
     { FF_PROFILE_H264_CAVLC_444,            "CAVLC 4:4:4"           },
+    { FF_PROFILE_H264_MULTIVIEW_HIGH,       "Multiview High"        },
+    { FF_PROFILE_H264_STEREO_HIGH,          "Stereo High"           },
     { FF_PROFILE_UNKNOWN },
 };
 
diff --git a/media/ffvpx/libavcodec/profiles.h b/media/ffvpx/libavcodec/profiles.h
index c86c683ab..eb18b406a 100644
--- a/media/ffvpx/libavcodec/profiles.h
+++ b/media/ffvpx/libavcodec/profiles.h
@@ -23,6 +23,7 @@
 
 extern const AVProfile ff_aac_profiles[];
 extern const AVProfile ff_dca_profiles[];
+extern const AVProfile ff_dnxhd_profiles[];
 extern const AVProfile ff_h264_profiles[];
 extern const AVProfile ff_hevc_profiles[];
 extern const AVProfile ff_jpeg2000_profiles[];
diff --git a/media/ffvpx/libavcodec/pthread_frame.c b/media/ffvpx/libavcodec/pthread_frame.c
index 7ef5e9f6b..2c702c737 100644
--- a/media/ffvpx/libavcodec/pthread_frame.c
+++ b/media/ffvpx/libavcodec/pthread_frame.c
@@ -24,9 +24,11 @@
 
 #include "config.h"
 
+#include <stdatomic.h>
 #include <stdint.h>
 
 #include "avcodec.h"
+#include "hwaccel.h"
 #include "internal.h"
 #include "pthread_internal.h"
 #include "thread.h"
@@ -43,6 +45,25 @@
 #include "libavutil/opt.h"
 #include "libavutil/thread.h"
 
+enum {
+    ///< Set when the thread is awaiting a packet.
+    STATE_INPUT_READY,
+    ///< Set before the codec has called ff_thread_finish_setup().
+    STATE_SETTING_UP,
+    /**
+     * Set when the codec calls get_buffer().
+     * State is returned to STATE_SETTING_UP afterwards.
+     */
+    STATE_GET_BUFFER,
+     /**
+      * Set when the codec calls get_format().
+      * State is returned to STATE_SETTING_UP afterwards.
+      */
+    STATE_GET_FORMAT,
+    ///< Set after the codec has called ff_thread_finish_setup().
+    STATE_SETUP_FINISHED,
+};
+
 /**
  * Context used by codec threads and stored in their AVCodecInternal thread_ctx.
  */
@@ -66,19 +87,7 @@ typedef struct PerThreadContext {
     int     got_frame;              ///< The output of got_picture_ptr from the last avcodec_decode_video() call.
     int     result;                 ///< The result of the last codec decode/encode() call.
 
-    enum {
-        STATE_INPUT_READY,          ///< Set when the thread is awaiting a packet.
-        STATE_SETTING_UP,           ///< Set before the codec has called ff_thread_finish_setup().
-        STATE_GET_BUFFER,           /**<
-                                     * Set when the codec calls get_buffer().
-                                     * State is returned to STATE_SETTING_UP afterwards.
-                                     */
-        STATE_GET_FORMAT,           /**<
-                                     * Set when the codec calls get_format().
-                                     * State is returned to STATE_SETTING_UP afterwards.
-                                     */
-        STATE_SETUP_FINISHED        ///< Set after the codec has called ff_thread_finish_setup().
-    } state;
+    atomic_int state;
 
     /**
      * Array of frames passed to ff_thread_release_buffer().
@@ -95,6 +104,11 @@ typedef struct PerThreadContext {
     enum AVPixelFormat result_format;            ///< get_format() result
 
     int die;                        ///< Set when the thread should exit.
+
+    int hwaccel_serializing;
+    int async_serializing;
+
+    atomic_int debug_threads;       ///< Set if the FF_DEBUG_THREADS option is set.
 } PerThreadContext;
 
 /**
@@ -105,6 +119,14 @@ typedef struct FrameThreadContext {
     PerThreadContext *prev_thread; ///< The last thread submit_packet() was called on.
 
     pthread_mutex_t buffer_mutex;  ///< Mutex used to protect get/release_buffer().
+    /**
+     * This lock is used for ensuring threads run in serial when hwaccel
+     * is used.
+     */
+    pthread_mutex_t hwaccel_mutex;
+    pthread_mutex_t async_mutex;
+    pthread_cond_t async_cond;
+    int async_lock;
 
     int next_decoding;             ///< The next context to submit a packet to.
     int next_finished;             ///< The next context to return output from.
@@ -118,6 +140,24 @@ typedef struct FrameThreadContext {
 #define THREAD_SAFE_CALLBACKS(avctx) \
 ((avctx)->thread_safe_callbacks || (avctx)->get_buffer2 == avcodec_default_get_buffer2)
 
+static void async_lock(FrameThreadContext *fctx)
+{
+    pthread_mutex_lock(&fctx->async_mutex);
+    while (fctx->async_lock)
+        pthread_cond_wait(&fctx->async_cond, &fctx->async_mutex);
+    fctx->async_lock = 1;
+    pthread_mutex_unlock(&fctx->async_mutex);
+}
+
+static void async_unlock(FrameThreadContext *fctx)
+{
+    pthread_mutex_lock(&fctx->async_mutex);
+    av_assert0(fctx->async_lock);
+    fctx->async_lock = 0;
+    pthread_cond_broadcast(&fctx->async_cond);
+    pthread_mutex_unlock(&fctx->async_mutex);
+}
+
 /**
  * Codec worker thread.
  *
@@ -133,14 +173,29 @@ static attribute_align_arg void *frame_worker_thread(void *arg)
 
     pthread_mutex_lock(&p->mutex);
     while (1) {
-            while (p->state == STATE_INPUT_READY && !p->die)
-                pthread_cond_wait(&p->input_cond, &p->mutex);
+        while (atomic_load(&p->state) == STATE_INPUT_READY && !p->die)
+            pthread_cond_wait(&p->input_cond, &p->mutex);
 
         if (p->die) break;
 
         if (!codec->update_thread_context && THREAD_SAFE_CALLBACKS(avctx))
             ff_thread_finish_setup(avctx);
 
+        /* If a decoder supports hwaccel, then it must call ff_get_format().
+         * Since that call must happen before ff_thread_finish_setup(), the
+         * decoder is required to implement update_thread_context() and call
+         * ff_thread_finish_setup() manually. Therefore the above
+         * ff_thread_finish_setup() call did not happen and hwaccel_serializing
+         * cannot be true here. */
+        av_assert0(!p->hwaccel_serializing);
+
+        /* if the previous thread uses hwaccel then we take the lock to ensure
+         * the threads don't run concurrently */
+        if (avctx->hwaccel) {
+            pthread_mutex_lock(&p->parent->hwaccel_mutex);
+            p->hwaccel_serializing = 1;
+        }
+
         av_frame_unref(p->frame);
         p->got_frame = 0;
         p->result = codec->decode(avctx, p->frame, &p->got_frame, &p->avpkt);
@@ -152,17 +207,23 @@ static attribute_align_arg void *frame_worker_thread(void *arg)
             av_frame_unref(p->frame);
         }
 
-        if (p->state == STATE_SETTING_UP) ff_thread_finish_setup(avctx);
+        if (atomic_load(&p->state) == STATE_SETTING_UP)
+            ff_thread_finish_setup(avctx);
+
+        if (p->hwaccel_serializing) {
+            p->hwaccel_serializing = 0;
+            pthread_mutex_unlock(&p->parent->hwaccel_mutex);
+        }
+
+        if (p->async_serializing) {
+            p->async_serializing = 0;
+
+            async_unlock(p->parent);
+        }
 
         pthread_mutex_lock(&p->progress_mutex);
-#if 0 //BUFREF-FIXME
-        for (i = 0; i < MAX_BUFFERS; i++)
-            if (p->progress_used[i] && (p->got_frame || p->result<0 || avctx->codec_id != AV_CODEC_ID_H264)) {
-                p->progress[i][0] = INT_MAX;
-                p->progress[i][1] = INT_MAX;
-            }
-#endif
-        p->state = STATE_INPUT_READY;
+
+        atomic_store(&p->state, STATE_INPUT_READY);
 
         pthread_cond_broadcast(&p->progress_cond);
         pthread_cond_signal(&p->output_cond);
@@ -185,12 +246,13 @@ static int update_context_from_thread(AVCodecContext *dst, AVCodecContext *src,
 {
     int err = 0;
 
-    if (dst != src) {
+    if (dst != src && (for_user || !(av_codec_get_codec_descriptor(src)->props & AV_CODEC_PROP_INTRA_ONLY))) {
         dst->time_base = src->time_base;
         dst->framerate = src->framerate;
         dst->width     = src->width;
         dst->height    = src->height;
         dst->pix_fmt   = src->pix_fmt;
+        dst->sw_pix_fmt = src->sw_pix_fmt;
 
         dst->coded_width  = src->coded_width;
         dst->coded_height = src->coded_height;
@@ -226,6 +288,19 @@ FF_ENABLE_DEPRECATION_WARNINGS
         dst->sample_fmt     = src->sample_fmt;
         dst->channel_layout = src->channel_layout;
         dst->internal->hwaccel_priv_data = src->internal->hwaccel_priv_data;
+
+        if (!!dst->hw_frames_ctx != !!src->hw_frames_ctx ||
+            (dst->hw_frames_ctx && dst->hw_frames_ctx->data != src->hw_frames_ctx->data)) {
+            av_buffer_unref(&dst->hw_frames_ctx);
+
+            if (src->hw_frames_ctx) {
+                dst->hw_frames_ctx = av_buffer_ref(src->hw_frames_ctx);
+                if (!dst->hw_frames_ctx)
+                    return AVERROR(ENOMEM);
+            }
+        }
+
+        dst->hwaccel_flags = src->hwaccel_flags;
     }
 
     if (for_user) {
@@ -307,24 +382,35 @@ static void release_delayed_buffers(PerThreadContext *p)
     }
 }
 
-static int submit_packet(PerThreadContext *p, AVPacket *avpkt)
+static int submit_packet(PerThreadContext *p, AVCodecContext *user_avctx,
+                         AVPacket *avpkt)
 {
     FrameThreadContext *fctx = p->parent;
     PerThreadContext *prev_thread = fctx->prev_thread;
     const AVCodec *codec = p->avctx->codec;
+    int ret;
 
     if (!avpkt->size && !(codec->capabilities & AV_CODEC_CAP_DELAY))
         return 0;
 
     pthread_mutex_lock(&p->mutex);
 
+    ret = update_context_from_user(p->avctx, user_avctx);
+    if (ret) {
+        pthread_mutex_unlock(&p->mutex);
+        return ret;
+    }
+    atomic_store_explicit(&p->debug_threads,
+                          (p->avctx->debug & FF_DEBUG_THREADS) != 0,
+                          memory_order_relaxed);
+
     release_delayed_buffers(p);
 
     if (prev_thread) {
         int err;
-        if (prev_thread->state == STATE_SETTING_UP) {
+        if (atomic_load(&prev_thread->state) == STATE_SETTING_UP) {
             pthread_mutex_lock(&prev_thread->progress_mutex);
-            while (prev_thread->state == STATE_SETTING_UP)
+            while (atomic_load(&prev_thread->state) == STATE_SETTING_UP)
                 pthread_cond_wait(&prev_thread->progress_cond, &prev_thread->progress_mutex);
             pthread_mutex_unlock(&prev_thread->progress_mutex);
         }
@@ -337,9 +423,14 @@ static int submit_packet(PerThreadContext *p, AVPacket *avpkt)
     }
 
     av_packet_unref(&p->avpkt);
-    av_packet_ref(&p->avpkt, avpkt);
+    ret = av_packet_ref(&p->avpkt, avpkt);
+    if (ret < 0) {
+        pthread_mutex_unlock(&p->mutex);
+        av_log(p->avctx, AV_LOG_ERROR, "av_packet_ref() failed in submit_packet()\n");
+        return ret;
+    }
 
-    p->state = STATE_SETTING_UP;
+    atomic_store(&p->state, STATE_SETTING_UP);
     pthread_cond_signal(&p->input_cond);
     pthread_mutex_unlock(&p->mutex);
 
@@ -352,13 +443,13 @@ static int submit_packet(PerThreadContext *p, AVPacket *avpkt)
     if (!p->avctx->thread_safe_callbacks && (
          p->avctx->get_format != avcodec_default_get_format ||
          p->avctx->get_buffer2 != avcodec_default_get_buffer2)) {
-        while (p->state != STATE_SETUP_FINISHED && p->state != STATE_INPUT_READY) {
+        while (atomic_load(&p->state) != STATE_SETUP_FINISHED && atomic_load(&p->state) != STATE_INPUT_READY) {
             int call_done = 1;
             pthread_mutex_lock(&p->progress_mutex);
-            while (p->state == STATE_SETTING_UP)
+            while (atomic_load(&p->state) == STATE_SETTING_UP)
                 pthread_cond_wait(&p->progress_cond, &p->progress_mutex);
 
-            switch (p->state) {
+            switch (atomic_load_explicit(&p->state, memory_order_acquire)) {
             case STATE_GET_BUFFER:
                 p->result = ff_get_buffer(p->avctx, p->requested_frame, p->requested_flags);
                 break;
@@ -370,7 +461,7 @@ static int submit_packet(PerThreadContext *p, AVPacket *avpkt)
                 break;
             }
             if (call_done) {
-                p->state  = STATE_SETTING_UP;
+                atomic_store(&p->state, STATE_SETTING_UP);
                 pthread_cond_signal(&p->progress_cond);
             }
             pthread_mutex_unlock(&p->progress_mutex);
@@ -392,15 +483,18 @@ int ff_thread_decode_frame(AVCodecContext *avctx,
     PerThreadContext *p;
     int err;
 
+    /* release the async lock, permitting blocked hwaccel threads to
+     * go forward while we are in this function */
+    async_unlock(fctx);
+
     /*
      * Submit a packet to the next decoding thread.
      */
 
     p = &fctx->threads[fctx->next_decoding];
-    err = update_context_from_user(p->avctx, avctx);
-    if (err) return err;
-    err = submit_packet(p, avpkt);
-    if (err) return err;
+    err = submit_packet(p, avctx, avpkt);
+    if (err)
+        goto finish;
 
     /*
      * If we're still receiving the initial packets, don't return a frame.
@@ -411,23 +505,25 @@ int ff_thread_decode_frame(AVCodecContext *avctx,
 
     if (fctx->delaying) {
         *got_picture_ptr=0;
-        if (avpkt->size)
-            return avpkt->size;
+        if (avpkt->size) {
+            err = avpkt->size;
+            goto finish;
+        }
     }
 
     /*
      * Return the next available frame from the oldest thread.
      * If we're at the end of the stream, then we have to skip threads that
-     * didn't output a frame, because we don't want to accidentally signal
-     * EOF (avpkt->size == 0 && *got_picture_ptr == 0).
+     * didn't output a frame/error, because we don't want to accidentally signal
+     * EOF (avpkt->size == 0 && *got_picture_ptr == 0 && err >= 0).
      */
 
     do {
         p = &fctx->threads[finished++];
 
-        if (p->state != STATE_INPUT_READY) {
+        if (atomic_load(&p->state) != STATE_INPUT_READY) {
             pthread_mutex_lock(&p->progress_mutex);
-            while (p->state != STATE_INPUT_READY)
+            while (atomic_load_explicit(&p->state, memory_order_relaxed) != STATE_INPUT_READY)
                 pthread_cond_wait(&p->output_cond, &p->progress_mutex);
             pthread_mutex_unlock(&p->progress_mutex);
         }
@@ -435,20 +531,19 @@ int ff_thread_decode_frame(AVCodecContext *avctx,
         av_frame_move_ref(picture, p->frame);
         *got_picture_ptr = p->got_frame;
         picture->pkt_dts = p->avpkt.dts;
-
-        if (p->result < 0)
-            err = p->result;
+        err = p->result;
 
         /*
          * A later call with avkpt->size == 0 may loop over all threads,
-         * including this one, searching for a frame to return before being
+         * including this one, searching for a frame/error to return before being
          * stopped by the "finished != fctx->next_finished" condition.
-         * Make sure we don't mistakenly return the same frame again.
+         * Make sure we don't mistakenly return the same frame/error again.
          */
         p->got_frame = 0;
+        p->result = 0;
 
         if (finished >= avctx->thread_count) finished = 0;
-    } while (!avpkt->size && !*got_picture_ptr && finished != fctx->next_finished);
+    } while (!avpkt->size && !*got_picture_ptr && err >= 0 && finished != fctx->next_finished);
 
     update_context_from_thread(avctx, p->avctx, 1);
 
@@ -456,32 +551,33 @@ int ff_thread_decode_frame(AVCodecContext *avctx,
 
     fctx->next_finished = finished;
 
-    /*
-     * When no frame was found while flushing, but an error occurred in
-     * any thread, return it instead of 0.
-     * Otherwise the error can get lost.
-     */
-    if (!avpkt->size && !*got_picture_ptr)
-        return err;
-
     /* return the size of the consumed packet if no error occurred */
-    return (p->result >= 0) ? avpkt->size : p->result;
+    if (err >= 0)
+        err = avpkt->size;
+finish:
+    async_lock(fctx);
+    return err;
 }
 
 void ff_thread_report_progress(ThreadFrame *f, int n, int field)
 {
     PerThreadContext *p;
-    volatile int *progress = f->progress ? (int*)f->progress->data : NULL;
+    atomic_int *progress = f->progress ? (atomic_int*)f->progress->data : NULL;
 
-    if (!progress || progress[field] >= n) return;
+    if (!progress ||
+        atomic_load_explicit(&progress[field], memory_order_relaxed) >= n)
+        return;
 
-    p = f->owner->internal->thread_ctx;
+    p = f->owner[field]->internal->thread_ctx;
 
-    if (f->owner->debug&FF_DEBUG_THREADS)
-        av_log(f->owner, AV_LOG_DEBUG, "%p finished %d field %d\n", progress, n, field);
+    if (atomic_load_explicit(&p->debug_threads, memory_order_relaxed))
+        av_log(f->owner[field], AV_LOG_DEBUG,
+               "%p finished %d field %d\n", progress, n, field);
 
     pthread_mutex_lock(&p->progress_mutex);
-    progress[field] = n;
+
+    atomic_store_explicit(&progress[field], n, memory_order_release);
+
     pthread_cond_broadcast(&p->progress_cond);
     pthread_mutex_unlock(&p->progress_mutex);
 }
@@ -489,17 +585,20 @@ void ff_thread_report_progress(ThreadFrame *f, int n, int field)
 void ff_thread_await_progress(ThreadFrame *f, int n, int field)
 {
     PerThreadContext *p;
-    volatile int *progress = f->progress ? (int*)f->progress->data : NULL;
+    atomic_int *progress = f->progress ? (atomic_int*)f->progress->data : NULL;
 
-    if (!progress || progress[field] >= n) return;
+    if (!progress ||
+        atomic_load_explicit(&progress[field], memory_order_acquire) >= n)
+        return;
 
-    p = f->owner->internal->thread_ctx;
+    p = f->owner[field]->internal->thread_ctx;
 
-    if (f->owner->debug&FF_DEBUG_THREADS)
-        av_log(f->owner, AV_LOG_DEBUG, "thread awaiting %d field %d from %p\n", n, field, progress);
+    if (atomic_load_explicit(&p->debug_threads, memory_order_relaxed))
+        av_log(f->owner[field], AV_LOG_DEBUG,
+               "thread awaiting %d field %d from %p\n", n, field, progress);
 
     pthread_mutex_lock(&p->progress_mutex);
-    while (progress[field] < n)
+    while (atomic_load_explicit(&progress[field], memory_order_relaxed) < n)
         pthread_cond_wait(&p->progress_cond, &p->progress_mutex);
     pthread_mutex_unlock(&p->progress_mutex);
 }
@@ -509,12 +608,26 @@ void ff_thread_finish_setup(AVCodecContext *avctx) {
 
     if (!(avctx->active_thread_type&FF_THREAD_FRAME)) return;
 
-    if(p->state == STATE_SETUP_FINISHED){
-        av_log(avctx, AV_LOG_WARNING, "Multiple ff_thread_finish_setup() calls\n");
+    if (avctx->hwaccel && !p->hwaccel_serializing) {
+        pthread_mutex_lock(&p->parent->hwaccel_mutex);
+        p->hwaccel_serializing = 1;
+    }
+
+    /* this assumes that no hwaccel calls happen before ff_thread_finish_setup() */
+    if (avctx->hwaccel &&
+        !(avctx->hwaccel->caps_internal & HWACCEL_CAP_ASYNC_SAFE)) {
+        p->async_serializing = 1;
+
+        async_lock(p->parent);
     }
 
     pthread_mutex_lock(&p->progress_mutex);
-    p->state = STATE_SETUP_FINISHED;
+    if(atomic_load(&p->state) == STATE_SETUP_FINISHED){
+        av_log(avctx, AV_LOG_WARNING, "Multiple ff_thread_finish_setup() calls\n");
+    }
+
+    atomic_store(&p->state, STATE_SETUP_FINISHED);
+
     pthread_cond_broadcast(&p->progress_cond);
     pthread_mutex_unlock(&p->progress_mutex);
 }
@@ -524,17 +637,21 @@ static void park_frame_worker_threads(FrameThreadContext *fctx, int thread_count
 {
     int i;
 
+    async_unlock(fctx);
+
     for (i = 0; i < thread_count; i++) {
         PerThreadContext *p = &fctx->threads[i];
 
-        if (p->state != STATE_INPUT_READY) {
+        if (atomic_load(&p->state) != STATE_INPUT_READY) {
             pthread_mutex_lock(&p->progress_mutex);
-            while (p->state != STATE_INPUT_READY)
+            while (atomic_load(&p->state) != STATE_INPUT_READY)
                 pthread_cond_wait(&p->output_cond, &p->progress_mutex);
             pthread_mutex_unlock(&p->progress_mutex);
         }
         p->got_frame = 0;
     }
+
+    async_lock(fctx);
 }
 
 void ff_frame_thread_free(AVCodecContext *avctx, int thread_count)
@@ -587,13 +704,20 @@ void ff_frame_thread_free(AVCodecContext *avctx, int thread_count)
             av_freep(&p->avctx->slice_offset);
         }
 
-        if (p->avctx)
+        if (p->avctx) {
             av_freep(&p->avctx->internal);
+            av_buffer_unref(&p->avctx->hw_frames_ctx);
+        }
+
         av_freep(&p->avctx);
     }
 
     av_freep(&fctx->threads);
     pthread_mutex_destroy(&fctx->buffer_mutex);
+    pthread_mutex_destroy(&fctx->hwaccel_mutex);
+    pthread_mutex_destroy(&fctx->async_mutex);
+    pthread_cond_destroy(&fctx->async_cond);
+
     av_freep(&avctx->internal->thread_ctx);
 
     if (avctx->priv_data && avctx->codec && avctx->codec->priv_class)
@@ -615,8 +739,10 @@ int ff_frame_thread_init(AVCodecContext *avctx)
 
     if (!thread_count) {
         int nb_cpus = av_cpu_count();
+#if FF_API_DEBUG_MV
         if ((avctx->debug & (FF_DEBUG_VIS_QP | FF_DEBUG_VIS_MB_TYPE)) || avctx->debug_mv)
             nb_cpus = 1;
+#endif
         // use number of cores + 1 as thread count if there is more than one
         if (nb_cpus > 1)
             thread_count = avctx->thread_count = FFMIN(nb_cpus + 1, MAX_AUTO_THREADS);
@@ -640,6 +766,11 @@ int ff_frame_thread_init(AVCodecContext *avctx)
     }
 
     pthread_mutex_init(&fctx->buffer_mutex, NULL);
+    pthread_mutex_init(&fctx->hwaccel_mutex, NULL);
+    pthread_mutex_init(&fctx->async_mutex, NULL);
+    pthread_cond_init(&fctx->async_cond, NULL);
+
+    fctx->async_lock = 1;
     fctx->delaying = 1;
 
     for (i = 0; i < thread_count; i++) {
@@ -677,7 +808,7 @@ int ff_frame_thread_init(AVCodecContext *avctx)
         }
         *copy->internal = *src->internal;
         copy->internal->thread_ctx = p;
-        copy->internal->pkt = &p->avpkt;
+        copy->internal->last_pkt_props = &p->avpkt;
 
         if (!i) {
             src = copy;
@@ -701,6 +832,8 @@ int ff_frame_thread_init(AVCodecContext *avctx)
 
         if (err) goto error;
 
+        atomic_init(&p->debug_threads, (copy->debug & FF_DEBUG_THREADS) != 0);
+
         err = AVERROR(pthread_create(&p->thread, NULL, frame_worker_thread, p));
         p->thread_init= !err;
         if(!p->thread_init)
@@ -736,6 +869,7 @@ void ff_thread_flush(AVCodecContext *avctx)
         // Make sure decode flush calls with size=0 won't return old frames
         p->got_frame = 0;
         av_frame_unref(p->frame);
+        p->result = 0;
 
         release_delayed_buffers(p);
 
@@ -747,7 +881,7 @@ void ff_thread_flush(AVCodecContext *avctx)
 int ff_thread_can_start_frame(AVCodecContext *avctx)
 {
     PerThreadContext *p = avctx->internal->thread_ctx;
-    if ((avctx->active_thread_type&FF_THREAD_FRAME) && p->state != STATE_SETTING_UP &&
+    if ((avctx->active_thread_type&FF_THREAD_FRAME) && atomic_load(&p->state) != STATE_SETTING_UP &&
         (avctx->codec->update_thread_context || !THREAD_SAFE_CALLBACKS(avctx))) {
         return 0;
     }
@@ -759,28 +893,29 @@ static int thread_get_buffer_internal(AVCodecContext *avctx, ThreadFrame *f, int
     PerThreadContext *p = avctx->internal->thread_ctx;
     int err;
 
-    f->owner = avctx;
+    f->owner[0] = f->owner[1] = avctx;
 
     ff_init_buffer_info(avctx, f->f);
 
     if (!(avctx->active_thread_type & FF_THREAD_FRAME))
         return ff_get_buffer(avctx, f->f, flags);
 
-    if (p->state != STATE_SETTING_UP &&
+    if (atomic_load(&p->state) != STATE_SETTING_UP &&
         (avctx->codec->update_thread_context || !THREAD_SAFE_CALLBACKS(avctx))) {
         av_log(avctx, AV_LOG_ERROR, "get_buffer() cannot be called after ff_thread_finish_setup()\n");
         return -1;
     }
 
     if (avctx->internal->allocate_progress) {
-        int *progress;
-        f->progress = av_buffer_alloc(2 * sizeof(int));
+        atomic_int *progress;
+        f->progress = av_buffer_alloc(2 * sizeof(*progress));
         if (!f->progress) {
             return AVERROR(ENOMEM);
         }
-        progress = (int*)f->progress->data;
+        progress = (atomic_int*)f->progress->data;
 
-        progress[0] = progress[1] = -1;
+        atomic_init(&progress[0], -1);
+        atomic_init(&progress[1], -1);
     }
 
     pthread_mutex_lock(&p->parent->buffer_mutex);
@@ -791,10 +926,10 @@ static int thread_get_buffer_internal(AVCodecContext *avctx, ThreadFrame *f, int
         pthread_mutex_lock(&p->progress_mutex);
         p->requested_frame = f->f;
         p->requested_flags = flags;
-        p->state = STATE_GET_BUFFER;
+        atomic_store_explicit(&p->state, STATE_GET_BUFFER, memory_order_release);
         pthread_cond_broadcast(&p->progress_cond);
 
-        while (p->state != STATE_SETTING_UP)
+        while (atomic_load(&p->state) != STATE_SETTING_UP)
             pthread_cond_wait(&p->progress_cond, &p->progress_mutex);
 
         err = p->result;
@@ -819,16 +954,16 @@ enum AVPixelFormat ff_thread_get_format(AVCodecContext *avctx, const enum AVPixe
     if (!(avctx->active_thread_type & FF_THREAD_FRAME) || avctx->thread_safe_callbacks ||
         avctx->get_format == avcodec_default_get_format)
         return ff_get_format(avctx, fmt);
-    if (p->state != STATE_SETTING_UP) {
+    if (atomic_load(&p->state) != STATE_SETTING_UP) {
         av_log(avctx, AV_LOG_ERROR, "get_format() cannot be called after ff_thread_finish_setup()\n");
         return -1;
     }
     pthread_mutex_lock(&p->progress_mutex);
     p->available_formats = fmt;
-    p->state = STATE_GET_FORMAT;
+    atomic_store(&p->state, STATE_GET_FORMAT);
     pthread_cond_broadcast(&p->progress_cond);
 
-    while (p->state != STATE_SETTING_UP)
+    while (atomic_load(&p->state) != STATE_SETTING_UP)
         pthread_cond_wait(&p->progress_cond, &p->progress_mutex);
 
     res = p->result_format;
@@ -862,7 +997,7 @@ void ff_thread_release_buffer(AVCodecContext *avctx, ThreadFrame *f)
         av_log(avctx, AV_LOG_DEBUG, "thread_release_buffer called on pic %p\n", f);
 
     av_buffer_unref(&f->progress);
-    f->owner    = NULL;
+    f->owner[0] = f->owner[1] = NULL;
 
     if (can_direct_free) {
         av_frame_unref(f->f);
diff --git a/media/ffvpx/libavcodec/pthread_slice.c b/media/ffvpx/libavcodec/pthread_slice.c
index 96a7643f6..d659f9b0b 100644
--- a/media/ffvpx/libavcodec/pthread_slice.c
+++ b/media/ffvpx/libavcodec/pthread_slice.c
@@ -34,26 +34,21 @@
 #include "libavutil/cpu.h"
 #include "libavutil/mem.h"
 #include "libavutil/thread.h"
+#include "libavutil/slicethread.h"
 
 typedef int (action_func)(AVCodecContext *c, void *arg);
 typedef int (action_func2)(AVCodecContext *c, void *arg, int jobnr, int threadnr);
+typedef int (main_func)(AVCodecContext *c);
 
 typedef struct SliceThreadContext {
-    pthread_t *workers;
+    AVSliceThread *thread;
     action_func *func;
     action_func2 *func2;
+    main_func *mainfunc;
     void *args;
     int *rets;
-    int job_count;
     int job_size;
 
-    pthread_cond_t last_job_cond;
-    pthread_cond_t current_job_cond;
-    pthread_mutex_t current_job_lock;
-    unsigned current_execute;
-    int current_job;
-    int done;
-
     int *entries;
     int entries_count;
     int thread_count;
@@ -61,43 +56,22 @@ typedef struct SliceThreadContext {
     pthread_mutex_t *progress_mutex;
 } SliceThreadContext;
 
-static void* attribute_align_arg worker(void *v)
-{
-    AVCodecContext *avctx = v;
+static void main_function(void *priv) {
+    AVCodecContext *avctx = priv;
     SliceThreadContext *c = avctx->internal->thread_ctx;
-    unsigned last_execute = 0;
-    int our_job = c->job_count;
-    int thread_count = avctx->thread_count;
-    int self_id;
-
-    pthread_mutex_lock(&c->current_job_lock);
-    self_id = c->current_job++;
-    for (;;){
-        int ret;
-        while (our_job >= c->job_count) {
-            if (c->current_job == thread_count + c->job_count)
-                pthread_cond_signal(&c->last_job_cond);
-
-            while (last_execute == c->current_execute && !c->done)
-                pthread_cond_wait(&c->current_job_cond, &c->current_job_lock);
-            last_execute = c->current_execute;
-            our_job = self_id;
-
-            if (c->done) {
-                pthread_mutex_unlock(&c->current_job_lock);
-                return NULL;
-            }
-        }
-        pthread_mutex_unlock(&c->current_job_lock);
+    c->mainfunc(avctx);
+}
 
-        ret = c->func ? c->func(avctx, (char*)c->args + our_job*c->job_size):
-                                c->func2(avctx, c->args, our_job, self_id);
-        if (c->rets)
-            c->rets[our_job%c->job_count] = ret;
+static void worker_func(void *priv, int jobnr, int threadnr, int nb_jobs, int nb_threads)
+{
+    AVCodecContext *avctx = priv;
+    SliceThreadContext *c = avctx->internal->thread_ctx;
+    int ret;
 
-        pthread_mutex_lock(&c->current_job_lock);
-        our_job = c->current_job++;
-    }
+    ret = c->func ? c->func(avctx, (char *)c->args + c->job_size * jobnr)
+                  : c->func2(avctx, c->args, jobnr, threadnr);
+    if (c->rets)
+        c->rets[jobnr] = ret;
 }
 
 void ff_slice_thread_free(AVCodecContext *avctx)
@@ -105,40 +79,19 @@ void ff_slice_thread_free(AVCodecContext *avctx)
     SliceThreadContext *c = avctx->internal->thread_ctx;
     int i;
 
-    pthread_mutex_lock(&c->current_job_lock);
-    c->done = 1;
-    pthread_cond_broadcast(&c->current_job_cond);
-    for (i = 0; i < c->thread_count; i++)
-        pthread_cond_broadcast(&c->progress_cond[i]);
-    pthread_mutex_unlock(&c->current_job_lock);
-
-    for (i=0; i<avctx->thread_count; i++)
-         pthread_join(c->workers[i], NULL);
+    avpriv_slicethread_free(&c->thread);
 
     for (i = 0; i < c->thread_count; i++) {
         pthread_mutex_destroy(&c->progress_mutex[i]);
         pthread_cond_destroy(&c->progress_cond[i]);
     }
 
-    pthread_mutex_destroy(&c->current_job_lock);
-    pthread_cond_destroy(&c->current_job_cond);
-    pthread_cond_destroy(&c->last_job_cond);
-
     av_freep(&c->entries);
     av_freep(&c->progress_mutex);
     av_freep(&c->progress_cond);
-
-    av_freep(&c->workers);
     av_freep(&avctx->internal->thread_ctx);
 }
 
-static av_always_inline void thread_park_workers(SliceThreadContext *c, int thread_count)
-{
-    while (c->current_job != thread_count + c->job_count)
-        pthread_cond_wait(&c->last_job_cond, &c->current_job_lock);
-    pthread_mutex_unlock(&c->current_job_lock);
-}
-
 static int thread_execute(AVCodecContext *avctx, action_func* func, void *arg, int *ret, int job_count, int job_size)
 {
     SliceThreadContext *c = avctx->internal->thread_ctx;
@@ -149,23 +102,12 @@ static int thread_execute(AVCodecContext *avctx, action_func* func, void *arg, i
     if (job_count <= 0)
         return 0;
 
-    pthread_mutex_lock(&c->current_job_lock);
-
-    c->current_job = avctx->thread_count;
-    c->job_count = job_count;
     c->job_size = job_size;
     c->args = arg;
     c->func = func;
-    if (ret) {
-        c->rets = ret;
-    } else {
-        c->rets = NULL;
-    }
-    c->current_execute++;
-    pthread_cond_broadcast(&c->current_job_cond);
-
-    thread_park_workers(c, avctx->thread_count);
+    c->rets = ret;
 
+    avpriv_slicethread_execute(c->thread, job_count, !!c->mainfunc  );
     return 0;
 }
 
@@ -176,11 +118,19 @@ static int thread_execute2(AVCodecContext *avctx, action_func2* func2, void *arg
     return thread_execute(avctx, NULL, arg, ret, job_count, 0);
 }
 
+int ff_slice_thread_execute_with_mainfunc(AVCodecContext *avctx, action_func2* func2, main_func *mainfunc, void *arg, int *ret, int job_count)
+{
+    SliceThreadContext *c = avctx->internal->thread_ctx;
+    c->func2 = func2;
+    c->mainfunc = mainfunc;
+    return thread_execute(avctx, NULL, arg, ret, job_count, 0);
+}
+
 int ff_slice_thread_init(AVCodecContext *avctx)
 {
-    int i;
     SliceThreadContext *c;
     int thread_count = avctx->thread_count;
+    static void (*mainfunc)(void *);
 
 #if HAVE_W32THREADS
     w32thread_init();
@@ -208,35 +158,17 @@ int ff_slice_thread_init(AVCodecContext *avctx)
         return 0;
     }
 
-    c = av_mallocz(sizeof(SliceThreadContext));
-    if (!c)
-        return -1;
-
-    c->workers = av_mallocz_array(thread_count, sizeof(pthread_t));
-    if (!c->workers) {
-        av_free(c);
-        return -1;
-    }
-
-    avctx->internal->thread_ctx = c;
-    c->current_job = 0;
-    c->job_count = 0;
-    c->job_size = 0;
-    c->done = 0;
-    pthread_cond_init(&c->current_job_cond, NULL);
-    pthread_cond_init(&c->last_job_cond, NULL);
-    pthread_mutex_init(&c->current_job_lock, NULL);
-    pthread_mutex_lock(&c->current_job_lock);
-    for (i=0; i<thread_count; i++) {
-        if(pthread_create(&c->workers[i], NULL, worker, avctx)) {
-           avctx->thread_count = i;
-           pthread_mutex_unlock(&c->current_job_lock);
-           ff_thread_free(avctx);
-           return -1;
-        }
+    avctx->internal->thread_ctx = c = av_mallocz(sizeof(*c));
+    mainfunc = avctx->codec->caps_internal & FF_CODEC_CAP_SLICE_THREAD_HAS_MF ? &main_function : NULL;
+    if (!c || (thread_count = avpriv_slicethread_create(&c->thread, avctx, worker_func, mainfunc, thread_count)) <= 1) {
+        if (c)
+            avpriv_slicethread_free(&c->thread);
+        av_freep(&avctx->internal->thread_ctx);
+        avctx->thread_count = 1;
+        avctx->active_thread_type = 0;
+        return 0;
     }
-
-    thread_park_workers(c, thread_count);
+    avctx->thread_count = thread_count;
 
     avctx->execute = thread_execute;
     avctx->execute2 = thread_execute2;
diff --git a/media/ffvpx/libavcodec/put_bits.h b/media/ffvpx/libavcodec/put_bits.h
index 68ed39119..1ceb1cc76 100644
--- a/media/ffvpx/libavcodec/put_bits.h
+++ b/media/ffvpx/libavcodec/put_bits.h
@@ -119,6 +119,18 @@ static inline void flush_put_bits(PutBitContext *s)
     s->bit_buf  = 0;
 }
 
+static inline void flush_put_bits_le(PutBitContext *s)
+{
+    while (s->bit_left < 32) {
+        av_assert0(s->buf_ptr < s->buf_end);
+        *s->buf_ptr++ = s->bit_buf;
+        s->bit_buf  >>= 8;
+        s->bit_left  += 8;
+    }
+    s->bit_left = 32;
+    s->bit_buf  = 0;
+}
+
 #ifdef BITSTREAM_WRITER_LE
 #define avpriv_align_put_bits align_put_bits_unsupported_here
 #define avpriv_put_string ff_put_string_unsupported_here
@@ -197,6 +209,34 @@ static inline void put_bits(PutBitContext *s, int n, unsigned int value)
     s->bit_left = bit_left;
 }
 
+static inline void put_bits_le(PutBitContext *s, int n, unsigned int value)
+{
+    unsigned int bit_buf;
+    int bit_left;
+
+    av_assert2(n <= 31 && value < (1U << n));
+
+    bit_buf  = s->bit_buf;
+    bit_left = s->bit_left;
+
+    bit_buf |= value << (32 - bit_left);
+    if (n >= bit_left) {
+        if (3 < s->buf_end - s->buf_ptr) {
+            AV_WL32(s->buf_ptr, bit_buf);
+            s->buf_ptr += 4;
+        } else {
+            av_log(NULL, AV_LOG_ERROR, "Internal error, put_bits buffer too small\n");
+            av_assert2(0);
+        }
+        bit_buf     = value >> bit_left;
+        bit_left   += 32;
+    }
+    bit_left -= n;
+
+    s->bit_buf  = bit_buf;
+    s->bit_left = bit_left;
+}
+
 static inline void put_sbits(PutBitContext *pb, int n, int32_t value)
 {
     av_assert2(n >= 0 && n <= 31);
@@ -209,15 +249,72 @@ static inline void put_sbits(PutBitContext *pb, int n, int32_t value)
  */
 static void av_unused put_bits32(PutBitContext *s, uint32_t value)
 {
-    int lo = value & 0xffff;
-    int hi = value >> 16;
+    unsigned int bit_buf;
+    int bit_left;
+
+    bit_buf  = s->bit_buf;
+    bit_left = s->bit_left;
+
 #ifdef BITSTREAM_WRITER_LE
-    put_bits(s, 16, lo);
-    put_bits(s, 16, hi);
+    bit_buf |= value << (32 - bit_left);
+    if (3 < s->buf_end - s->buf_ptr) {
+        AV_WL32(s->buf_ptr, bit_buf);
+        s->buf_ptr += 4;
+    } else {
+        av_log(NULL, AV_LOG_ERROR, "Internal error, put_bits buffer too small\n");
+        av_assert2(0);
+    }
+    bit_buf     = (uint64_t)value >> bit_left;
 #else
-    put_bits(s, 16, hi);
-    put_bits(s, 16, lo);
+    bit_buf     = (uint64_t)bit_buf << bit_left;
+    bit_buf    |= value >> (32 - bit_left);
+    if (3 < s->buf_end - s->buf_ptr) {
+        AV_WB32(s->buf_ptr, bit_buf);
+        s->buf_ptr += 4;
+    } else {
+        av_log(NULL, AV_LOG_ERROR, "Internal error, put_bits buffer too small\n");
+        av_assert2(0);
+    }
+    bit_buf     = value;
 #endif
+
+    s->bit_buf  = bit_buf;
+    s->bit_left = bit_left;
+}
+
+/**
+ * Write up to 64 bits into a bitstream.
+ */
+static inline void put_bits64(PutBitContext *s, int n, uint64_t value)
+{
+    av_assert2((n == 64) || (n < 64 && value < (UINT64_C(1) << n)));
+
+    if (n < 32)
+        put_bits(s, n, value);
+    else if (n == 32)
+        put_bits32(s, value);
+    else if (n < 64) {
+        uint32_t lo = value & 0xffffffff;
+        uint32_t hi = value >> 32;
+#ifdef BITSTREAM_WRITER_LE
+        put_bits32(s, lo);
+        put_bits(s, n - 32, hi);
+#else
+        put_bits(s, n - 32, hi);
+        put_bits32(s, lo);
+#endif
+    } else {
+        uint32_t lo = value & 0xffffffff;
+        uint32_t hi = value >> 32;
+#ifdef BITSTREAM_WRITER_LE
+        put_bits32(s, lo);
+        put_bits32(s, hi);
+#else
+        put_bits32(s, hi);
+        put_bits32(s, lo);
+#endif
+
+    }
 }
 
 /**
diff --git a/media/ffvpx/libavcodec/ratecontrol.h b/media/ffvpx/libavcodec/ratecontrol.h
index c15f9e258..2a7aaec64 100644
--- a/media/ffvpx/libavcodec/ratecontrol.h
+++ b/media/ffvpx/libavcodec/ratecontrol.h
@@ -96,8 +96,4 @@ void ff_rate_control_uninit(struct MpegEncContext *s);
 int ff_vbv_update(struct MpegEncContext *s, int frame_size);
 void ff_get_2pass_fcode(struct MpegEncContext *s);
 
-int ff_xvid_rate_control_init(struct MpegEncContext *s);
-void ff_xvid_rate_control_uninit(struct MpegEncContext *s);
-float ff_xvid_rate_estimate_qscale(struct MpegEncContext *s, int dry_run);
-
 #endif /* AVCODEC_RATECONTROL_H */
diff --git a/media/ffvpx/libavcodec/raw.c b/media/ffvpx/libavcodec/raw.c
index f73a134a9..8da2a9735 100644
--- a/media/ffvpx/libavcodec/raw.c
+++ b/media/ffvpx/libavcodec/raw.c
@@ -119,6 +119,12 @@ const PixelFormatTag ff_raw_pix_fmt_tags[] = {
     { AV_PIX_FMT_RGB48BE,  MKTAG( 48, 'R', 'G', 'B') },
     { AV_PIX_FMT_BGR48LE,  MKTAG('B', 'G', 'R', 48 ) },
     { AV_PIX_FMT_BGR48BE,  MKTAG( 48, 'B', 'G', 'R') },
+    { AV_PIX_FMT_GRAY9LE,     MKTAG('Y', '1',  0 ,  9 ) },
+    { AV_PIX_FMT_GRAY9BE,     MKTAG( 9 ,  0 , '1', 'Y') },
+    { AV_PIX_FMT_GRAY10LE,    MKTAG('Y', '1',  0 , 10 ) },
+    { AV_PIX_FMT_GRAY10BE,    MKTAG(10 ,  0 , '1', 'Y') },
+    { AV_PIX_FMT_GRAY12LE,    MKTAG('Y', '1',  0 , 12 ) },
+    { AV_PIX_FMT_GRAY12BE,    MKTAG(12 ,  0 , '1', 'Y') },
     { AV_PIX_FMT_GRAY16LE,    MKTAG('Y', '1',  0 , 16 ) },
     { AV_PIX_FMT_GRAY16BE,    MKTAG(16 ,  0 , '1', 'Y') },
     { AV_PIX_FMT_YUV420P9LE,  MKTAG('Y', '3', 11 ,  9 ) },
@@ -266,6 +272,14 @@ const PixelFormatTag ff_raw_pix_fmt_tags[] = {
     { AV_PIX_FMT_YUV422P10BE, MKTAG('I', '2', 'A', 'B') },
     { AV_PIX_FMT_YUV444P10LE, MKTAG('I', '4', 'A', 'L') },
     { AV_PIX_FMT_YUV444P10BE, MKTAG('I', '4', 'A', 'B') },
+    { AV_PIX_FMT_YUV420P12LE, MKTAG('I', '0', 'C', 'L') },
+    { AV_PIX_FMT_YUV420P12BE, MKTAG('I', '0', 'C', 'B') },
+    { AV_PIX_FMT_YUV422P12LE, MKTAG('I', '2', 'C', 'L') },
+    { AV_PIX_FMT_YUV422P12BE, MKTAG('I', '2', 'C', 'B') },
+    { AV_PIX_FMT_YUV444P12LE, MKTAG('I', '4', 'C', 'L') },
+    { AV_PIX_FMT_YUV444P12BE, MKTAG('I', '4', 'C', 'B') },
+    { AV_PIX_FMT_YUV420P16LE, MKTAG('I', '0', 'F', 'L') },
+    { AV_PIX_FMT_YUV420P16BE, MKTAG('I', '0', 'F', 'B') },
     { AV_PIX_FMT_YUV444P16LE, MKTAG('I', '4', 'F', 'L') },
     { AV_PIX_FMT_YUV444P16BE, MKTAG('I', '4', 'F', 'B') },
 
diff --git a/media/ffvpx/libavcodec/thread.h b/media/ffvpx/libavcodec/thread.h
index c848d7ae8..318619316 100644
--- a/media/ffvpx/libavcodec/thread.h
+++ b/media/ffvpx/libavcodec/thread.h
@@ -34,7 +34,7 @@
 
 typedef struct ThreadFrame {
     AVFrame *f;
-    AVCodecContext *owner;
+    AVCodecContext *owner[2];
     // progress->data is an array of 2 ints holding progress for top/bottom
     // fields
     AVBufferRef *progress;
@@ -133,8 +133,10 @@ void ff_thread_release_buffer(AVCodecContext *avctx, ThreadFrame *f);
 int ff_thread_ref_frame(ThreadFrame *dst, ThreadFrame *src);
 
 int ff_thread_init(AVCodecContext *s);
+int ff_slice_thread_execute_with_mainfunc(AVCodecContext *avctx,
+        int (*action_func2)(AVCodecContext *c, void *arg, int jobnr, int threadnr),
+        int (*main_func)(AVCodecContext *c), void *arg, int *ret, int job_count);
 void ff_thread_free(AVCodecContext *s);
-
 int ff_alloc_entries(AVCodecContext *avctx, int count);
 void ff_reset_entries(AVCodecContext *avctx);
 void ff_thread_report_progress2(AVCodecContext *avctx, int field, int thread, int n);
diff --git a/media/ffvpx/libavcodec/utils.c b/media/ffvpx/libavcodec/utils.c
index 87de15fc6..0c47e761f 100644
--- a/media/ffvpx/libavcodec/utils.c
+++ b/media/ffvpx/libavcodec/utils.c
@@ -44,6 +44,7 @@
 #include "libavutil/dict.h"
 #include "libavutil/thread.h"
 #include "avcodec.h"
+#include "decode.h"
 #include "libavutil/opt.h"
 #include "me_cmp.h"
 #include "mpegvideo.h"
@@ -172,7 +173,7 @@ int av_codec_is_encoder(const AVCodec *codec)
 
 int av_codec_is_decoder(const AVCodec *codec)
 {
-    return codec && (codec->decode || codec->send_packet);
+    return codec && (codec->decode || codec->receive_frame);
 }
 
 av_cold void avcodec_register(AVCodec *codec)
@@ -209,7 +210,7 @@ void avcodec_set_dimensions(AVCodecContext *s, int width, int height)
 
 int ff_set_dimensions(AVCodecContext *s, int width, int height)
 {
-    int ret = av_image_check_size(width, height, 0, s);
+    int ret = av_image_check_size2(width, height, s->max_pixels, AV_PIX_FMT_NONE, 0, s);
 
     if (ret < 0)
         width = height = 0;
@@ -376,6 +377,10 @@ void avcodec_align_dimensions2(AVCodecContext *s, int *width, int *height,
             w_align = 4;
             h_align = 4;
         }
+        if (s->codec_id == AV_CODEC_ID_INTERPLAY_VIDEO) {
+            w_align = 8;
+            h_align = 8;
+        }
         break;
     case AV_PIX_FMT_PAL8:
     case AV_PIX_FMT_BGR8:
@@ -385,7 +390,8 @@ void avcodec_align_dimensions2(AVCodecContext *s, int *width, int *height,
             w_align = 4;
             h_align = 4;
         }
-        if (s->codec_id == AV_CODEC_ID_JV) {
+        if (s->codec_id == AV_CODEC_ID_JV ||
+            s->codec_id == AV_CODEC_ID_INTERPLAY_VIDEO) {
             w_align = 8;
             h_align = 8;
         }
@@ -503,200 +509,6 @@ int avcodec_fill_audio_frame(AVFrame *frame, int nb_channels,
     return ret;
 }
 
-static int update_frame_pool(AVCodecContext *avctx, AVFrame *frame)
-{
-    FramePool *pool = avctx->internal->pool;
-    int i, ret;
-
-    switch (avctx->codec_type) {
-    case AVMEDIA_TYPE_VIDEO: {
-        uint8_t *data[4];
-        int linesize[4];
-        int size[4] = { 0 };
-        int w = frame->width;
-        int h = frame->height;
-        int tmpsize, unaligned;
-
-        if (pool->format == frame->format &&
-            pool->width == frame->width && pool->height == frame->height)
-            return 0;
-
-        avcodec_align_dimensions2(avctx, &w, &h, pool->stride_align);
-
-        do {
-            // NOTE: do not align linesizes individually, this breaks e.g. assumptions
-            // that linesize[0] == 2*linesize[1] in the MPEG-encoder for 4:2:2
-            ret = av_image_fill_linesizes(linesize, avctx->pix_fmt, w);
-            if (ret < 0)
-                return ret;
-            // increase alignment of w for next try (rhs gives the lowest bit set in w)
-            w += w & ~(w - 1);
-
-            unaligned = 0;
-            for (i = 0; i < 4; i++)
-                unaligned |= linesize[i] % pool->stride_align[i];
-        } while (unaligned);
-
-        tmpsize = av_image_fill_pointers(data, avctx->pix_fmt, h,
-                                         NULL, linesize);
-        if (tmpsize < 0)
-            return -1;
-
-        for (i = 0; i < 3 && data[i + 1]; i++)
-            size[i] = data[i + 1] - data[i];
-        size[i] = tmpsize - (data[i] - data[0]);
-
-        for (i = 0; i < 4; i++) {
-            av_buffer_pool_uninit(&pool->pools[i]);
-            pool->linesize[i] = linesize[i];
-            if (size[i]) {
-                pool->pools[i] = av_buffer_pool_init(size[i] + 16 + STRIDE_ALIGN - 1,
-                                                     CONFIG_MEMORY_POISONING ?
-                                                        NULL :
-                                                        av_buffer_allocz);
-                if (!pool->pools[i]) {
-                    ret = AVERROR(ENOMEM);
-                    goto fail;
-                }
-            }
-        }
-        pool->format = frame->format;
-        pool->width  = frame->width;
-        pool->height = frame->height;
-
-        break;
-        }
-    case AVMEDIA_TYPE_AUDIO: {
-        int ch     = av_frame_get_channels(frame); //av_get_channel_layout_nb_channels(frame->channel_layout);
-        int planar = av_sample_fmt_is_planar(frame->format);
-        int planes = planar ? ch : 1;
-
-        if (pool->format == frame->format && pool->planes == planes &&
-            pool->channels == ch && frame->nb_samples == pool->samples)
-            return 0;
-
-        av_buffer_pool_uninit(&pool->pools[0]);
-        ret = av_samples_get_buffer_size(&pool->linesize[0], ch,
-                                         frame->nb_samples, frame->format, 0);
-        if (ret < 0)
-            goto fail;
-
-        pool->pools[0] = av_buffer_pool_init(pool->linesize[0], NULL);
-        if (!pool->pools[0]) {
-            ret = AVERROR(ENOMEM);
-            goto fail;
-        }
-
-        pool->format     = frame->format;
-        pool->planes     = planes;
-        pool->channels   = ch;
-        pool->samples = frame->nb_samples;
-        break;
-        }
-    default: av_assert0(0);
-    }
-    return 0;
-fail:
-    for (i = 0; i < 4; i++)
-        av_buffer_pool_uninit(&pool->pools[i]);
-    pool->format = -1;
-    pool->planes = pool->channels = pool->samples = 0;
-    pool->width  = pool->height = 0;
-    return ret;
-}
-
-static int audio_get_buffer(AVCodecContext *avctx, AVFrame *frame)
-{
-    FramePool *pool = avctx->internal->pool;
-    int planes = pool->planes;
-    int i;
-
-    frame->linesize[0] = pool->linesize[0];
-
-    if (planes > AV_NUM_DATA_POINTERS) {
-        frame->extended_data = av_mallocz_array(planes, sizeof(*frame->extended_data));
-        frame->nb_extended_buf = planes - AV_NUM_DATA_POINTERS;
-        frame->extended_buf  = av_mallocz_array(frame->nb_extended_buf,
-                                          sizeof(*frame->extended_buf));
-        if (!frame->extended_data || !frame->extended_buf) {
-            av_freep(&frame->extended_data);
-            av_freep(&frame->extended_buf);
-            return AVERROR(ENOMEM);
-        }
-    } else {
-        frame->extended_data = frame->data;
-        av_assert0(frame->nb_extended_buf == 0);
-    }
-
-    for (i = 0; i < FFMIN(planes, AV_NUM_DATA_POINTERS); i++) {
-        frame->buf[i] = av_buffer_pool_get(pool->pools[0]);
-        if (!frame->buf[i])
-            goto fail;
-        frame->extended_data[i] = frame->data[i] = frame->buf[i]->data;
-    }
-    for (i = 0; i < frame->nb_extended_buf; i++) {
-        frame->extended_buf[i] = av_buffer_pool_get(pool->pools[0]);
-        if (!frame->extended_buf[i])
-            goto fail;
-        frame->extended_data[i + AV_NUM_DATA_POINTERS] = frame->extended_buf[i]->data;
-    }
-
-    if (avctx->debug & FF_DEBUG_BUFFERS)
-        av_log(avctx, AV_LOG_DEBUG, "default_get_buffer called on frame %p", frame);
-
-    return 0;
-fail:
-    av_frame_unref(frame);
-    return AVERROR(ENOMEM);
-}
-
-static int video_get_buffer(AVCodecContext *s, AVFrame *pic)
-{
-    FramePool *pool = s->internal->pool;
-    const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pic->format);
-    int i;
-
-    if (pic->data[0] || pic->data[1] || pic->data[2] || pic->data[3]) {
-        av_log(s, AV_LOG_ERROR, "pic->data[*]!=NULL in avcodec_default_get_buffer\n");
-        return -1;
-    }
-
-    if (!desc) {
-        av_log(s, AV_LOG_ERROR,
-            "Unable to get pixel format descriptor for format %s\n",
-            av_get_pix_fmt_name(pic->format));
-        return AVERROR(EINVAL);
-    }
-
-    memset(pic->data, 0, sizeof(pic->data));
-    pic->extended_data = pic->data;
-
-    for (i = 0; i < 4 && pool->pools[i]; i++) {
-        pic->linesize[i] = pool->linesize[i];
-
-        pic->buf[i] = av_buffer_pool_get(pool->pools[i]);
-        if (!pic->buf[i])
-            goto fail;
-
-        pic->data[i] = pic->buf[i]->data;
-    }
-    for (; i < AV_NUM_DATA_POINTERS; i++) {
-        pic->data[i] = NULL;
-        pic->linesize[i] = 0;
-    }
-    if (desc->flags & AV_PIX_FMT_FLAG_PAL ||
-        desc->flags & AV_PIX_FMT_FLAG_PSEUDOPAL)
-        avpriv_set_systematic_pal2((uint32_t *)pic->data[1], pic->format);
-
-    if (s->debug & FF_DEBUG_BUFFERS)
-        av_log(s, AV_LOG_DEBUG, "default_get_buffer called on pic %p\n", pic);
-
-    return 0;
-fail:
-    av_frame_unref(pic);
-    return AVERROR(ENOMEM);
-}
-
 void ff_color_frame(AVFrame *frame, const int c[4])
 {
     const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(frame->format);
@@ -720,287 +532,6 @@ void ff_color_frame(AVFrame *frame, const int c[4])
     }
 }
 
-int avcodec_default_get_buffer2(AVCodecContext *avctx, AVFrame *frame, int flags)
-{
-    int ret;
-
-    if (avctx->hw_frames_ctx)
-        return av_hwframe_get_buffer(avctx->hw_frames_ctx, frame, 0);
-
-    if ((ret = update_frame_pool(avctx, frame)) < 0)
-        return ret;
-
-    switch (avctx->codec_type) {
-    case AVMEDIA_TYPE_VIDEO:
-        return video_get_buffer(avctx, frame);
-    case AVMEDIA_TYPE_AUDIO:
-        return audio_get_buffer(avctx, frame);
-    default:
-        return -1;
-    }
-}
-
-static int add_metadata_from_side_data(AVPacket *avpkt, AVFrame *frame)
-{
-    int size;
-    const uint8_t *side_metadata;
-
-    AVDictionary **frame_md = avpriv_frame_get_metadatap(frame);
-
-    side_metadata = av_packet_get_side_data(avpkt,
-                                            AV_PKT_DATA_STRINGS_METADATA, &size);
-    return av_packet_unpack_dictionary(side_metadata, size, frame_md);
-}
-
-int ff_init_buffer_info(AVCodecContext *avctx, AVFrame *frame)
-{
-    AVPacket *pkt = avctx->internal->pkt;
-    int i;
-    static const struct {
-        enum AVPacketSideDataType packet;
-        enum AVFrameSideDataType frame;
-    } sd[] = {
-        { AV_PKT_DATA_REPLAYGAIN ,                AV_FRAME_DATA_REPLAYGAIN },
-        { AV_PKT_DATA_DISPLAYMATRIX,              AV_FRAME_DATA_DISPLAYMATRIX },
-        { AV_PKT_DATA_STEREO3D,                   AV_FRAME_DATA_STEREO3D },
-        { AV_PKT_DATA_AUDIO_SERVICE_TYPE,         AV_FRAME_DATA_AUDIO_SERVICE_TYPE },
-        { AV_PKT_DATA_MASTERING_DISPLAY_METADATA, AV_FRAME_DATA_MASTERING_DISPLAY_METADATA },
-    };
-
-    if (pkt) {
-        frame->pts = pkt->pts;
-#if FF_API_PKT_PTS
-FF_DISABLE_DEPRECATION_WARNINGS
-        frame->pkt_pts = pkt->pts;
-FF_ENABLE_DEPRECATION_WARNINGS
-#endif
-        av_frame_set_pkt_pos     (frame, pkt->pos);
-        av_frame_set_pkt_duration(frame, pkt->duration);
-        av_frame_set_pkt_size    (frame, pkt->size);
-
-        for (i = 0; i < FF_ARRAY_ELEMS(sd); i++) {
-            int size;
-            uint8_t *packet_sd = av_packet_get_side_data(pkt, sd[i].packet, &size);
-            if (packet_sd) {
-                AVFrameSideData *frame_sd = av_frame_new_side_data(frame,
-                                                                   sd[i].frame,
-                                                                   size);
-                if (!frame_sd)
-                    return AVERROR(ENOMEM);
-
-                memcpy(frame_sd->data, packet_sd, size);
-            }
-        }
-        add_metadata_from_side_data(pkt, frame);
-
-        if (pkt->flags & AV_PKT_FLAG_DISCARD) {
-            frame->flags |= AV_FRAME_FLAG_DISCARD;
-        } else {
-            frame->flags = (frame->flags & ~AV_FRAME_FLAG_DISCARD);
-        }
-    } else {
-        frame->pts = AV_NOPTS_VALUE;
-#if FF_API_PKT_PTS
-FF_DISABLE_DEPRECATION_WARNINGS
-        frame->pkt_pts = AV_NOPTS_VALUE;
-FF_ENABLE_DEPRECATION_WARNINGS
-#endif
-        av_frame_set_pkt_pos     (frame, -1);
-        av_frame_set_pkt_duration(frame, 0);
-        av_frame_set_pkt_size    (frame, -1);
-    }
-    frame->reordered_opaque = avctx->reordered_opaque;
-
-    if (frame->color_primaries == AVCOL_PRI_UNSPECIFIED)
-        frame->color_primaries = avctx->color_primaries;
-    if (frame->color_trc == AVCOL_TRC_UNSPECIFIED)
-        frame->color_trc = avctx->color_trc;
-    if (av_frame_get_colorspace(frame) == AVCOL_SPC_UNSPECIFIED)
-        av_frame_set_colorspace(frame, avctx->colorspace);
-    if (av_frame_get_color_range(frame) == AVCOL_RANGE_UNSPECIFIED)
-        av_frame_set_color_range(frame, avctx->color_range);
-    if (frame->chroma_location == AVCHROMA_LOC_UNSPECIFIED)
-        frame->chroma_location = avctx->chroma_sample_location;
-
-    switch (avctx->codec->type) {
-    case AVMEDIA_TYPE_VIDEO:
-        frame->format              = avctx->pix_fmt;
-        if (!frame->sample_aspect_ratio.num)
-            frame->sample_aspect_ratio = avctx->sample_aspect_ratio;
-
-        if (frame->width && frame->height &&
-            av_image_check_sar(frame->width, frame->height,
-                               frame->sample_aspect_ratio) < 0) {
-            av_log(avctx, AV_LOG_WARNING, "ignoring invalid SAR: %u/%u\n",
-                   frame->sample_aspect_ratio.num,
-                   frame->sample_aspect_ratio.den);
-            frame->sample_aspect_ratio = (AVRational){ 0, 1 };
-        }
-
-        break;
-    case AVMEDIA_TYPE_AUDIO:
-        if (!frame->sample_rate)
-            frame->sample_rate    = avctx->sample_rate;
-        if (frame->format < 0)
-            frame->format         = avctx->sample_fmt;
-        if (!frame->channel_layout) {
-            if (avctx->channel_layout) {
-                 if (av_get_channel_layout_nb_channels(avctx->channel_layout) !=
-                     avctx->channels) {
-                     av_log(avctx, AV_LOG_ERROR, "Inconsistent channel "
-                            "configuration.\n");
-                     return AVERROR(EINVAL);
-                 }
-
-                frame->channel_layout = avctx->channel_layout;
-            } else {
-                if (avctx->channels > FF_SANE_NB_CHANNELS) {
-                    av_log(avctx, AV_LOG_ERROR, "Too many channels: %d.\n",
-                           avctx->channels);
-                    return AVERROR(ENOSYS);
-                }
-            }
-        }
-        av_frame_set_channels(frame, avctx->channels);
-        break;
-    }
-    return 0;
-}
-
-int ff_decode_frame_props(AVCodecContext *avctx, AVFrame *frame)
-{
-    return ff_init_buffer_info(avctx, frame);
-}
-
-static void validate_avframe_allocation(AVCodecContext *avctx, AVFrame *frame)
-{
-    if (avctx->codec_type == AVMEDIA_TYPE_VIDEO) {
-        int i;
-        int num_planes = av_pix_fmt_count_planes(frame->format);
-        const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(frame->format);
-        int flags = desc ? desc->flags : 0;
-        if (num_planes == 1 && (flags & AV_PIX_FMT_FLAG_PAL))
-            num_planes = 2;
-        for (i = 0; i < num_planes; i++) {
-            av_assert0(frame->data[i]);
-        }
-        // For now do not enforce anything for palette of pseudopal formats
-        if (num_planes == 1 && (flags & AV_PIX_FMT_FLAG_PSEUDOPAL))
-            num_planes = 2;
-        // For formats without data like hwaccel allow unused pointers to be non-NULL.
-        for (i = num_planes; num_planes > 0 && i < FF_ARRAY_ELEMS(frame->data); i++) {
-            if (frame->data[i])
-                av_log(avctx, AV_LOG_ERROR, "Buffer returned by get_buffer2() did not zero unused plane pointers\n");
-            frame->data[i] = NULL;
-        }
-    }
-}
-
-static int get_buffer_internal(AVCodecContext *avctx, AVFrame *frame, int flags)
-{
-    const AVHWAccel *hwaccel = avctx->hwaccel;
-    int override_dimensions = 1;
-    int ret;
-
-    if (avctx->codec_type == AVMEDIA_TYPE_VIDEO) {
-        if ((ret = av_image_check_size(avctx->width, avctx->height, 0, avctx)) < 0 || avctx->pix_fmt<0) {
-            av_log(avctx, AV_LOG_ERROR, "video_get_buffer: image parameters invalid\n");
-            return AVERROR(EINVAL);
-        }
-
-        if (frame->width <= 0 || frame->height <= 0) {
-            frame->width  = FFMAX(avctx->width,  AV_CEIL_RSHIFT(avctx->coded_width,  avctx->lowres));
-            frame->height = FFMAX(avctx->height, AV_CEIL_RSHIFT(avctx->coded_height, avctx->lowres));
-            override_dimensions = 0;
-        }
-
-        if (frame->data[0] || frame->data[1] || frame->data[2] || frame->data[3]) {
-            av_log(avctx, AV_LOG_ERROR, "pic->data[*]!=NULL in get_buffer_internal\n");
-            return AVERROR(EINVAL);
-        }
-    }
-    ret = ff_decode_frame_props(avctx, frame);
-    if (ret < 0)
-        return ret;
-
-    if (hwaccel) {
-        if (hwaccel->alloc_frame) {
-            ret = hwaccel->alloc_frame(avctx, frame);
-            goto end;
-        }
-    } else
-        avctx->sw_pix_fmt = avctx->pix_fmt;
-
-    ret = avctx->get_buffer2(avctx, frame, flags);
-    if (ret >= 0)
-        validate_avframe_allocation(avctx, frame);
-
-end:
-    if (avctx->codec_type == AVMEDIA_TYPE_VIDEO && !override_dimensions) {
-        frame->width  = avctx->width;
-        frame->height = avctx->height;
-    }
-
-    return ret;
-}
-
-int ff_get_buffer(AVCodecContext *avctx, AVFrame *frame, int flags)
-{
-    int ret = get_buffer_internal(avctx, frame, flags);
-    if (ret < 0) {
-        av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
-        frame->width = frame->height = 0;
-    }
-    return ret;
-}
-
-static int reget_buffer_internal(AVCodecContext *avctx, AVFrame *frame)
-{
-    AVFrame *tmp;
-    int ret;
-
-    av_assert0(avctx->codec_type == AVMEDIA_TYPE_VIDEO);
-
-    if (frame->data[0] && (frame->width != avctx->width || frame->height != avctx->height || frame->format != avctx->pix_fmt)) {
-        av_log(avctx, AV_LOG_WARNING, "Picture changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s in reget buffer()\n",
-               frame->width, frame->height, av_get_pix_fmt_name(frame->format), avctx->width, avctx->height, av_get_pix_fmt_name(avctx->pix_fmt));
-        av_frame_unref(frame);
-    }
-
-    ff_init_buffer_info(avctx, frame);
-
-    if (!frame->data[0])
-        return ff_get_buffer(avctx, frame, AV_GET_BUFFER_FLAG_REF);
-
-    if (av_frame_is_writable(frame))
-        return ff_decode_frame_props(avctx, frame);
-
-    tmp = av_frame_alloc();
-    if (!tmp)
-        return AVERROR(ENOMEM);
-
-    av_frame_move_ref(tmp, frame);
-
-    ret = ff_get_buffer(avctx, frame, AV_GET_BUFFER_FLAG_REF);
-    if (ret < 0) {
-        av_frame_free(&tmp);
-        return ret;
-    }
-
-    av_frame_copy(frame, tmp);
-    av_frame_free(&tmp);
-
-    return 0;
-}
-
-int ff_reget_buffer(AVCodecContext *avctx, AVFrame *frame)
-{
-    int ret = reget_buffer_internal(avctx, frame);
-    if (ret < 0)
-        av_log(avctx, AV_LOG_ERROR, "reget_buffer() failed\n");
-    return ret;
-}
-
 int avcodec_default_execute(AVCodecContext *c, int (*func)(AVCodecContext *c2, void *arg2), void *arg, int *ret, int count, int size)
 {
     int i;
@@ -1038,145 +569,6 @@ enum AVPixelFormat avpriv_find_pix_fmt(const PixelFormatTag *tags,
     return AV_PIX_FMT_NONE;
 }
 
-static int is_hwaccel_pix_fmt(enum AVPixelFormat pix_fmt)
-{
-    const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
-    return desc->flags & AV_PIX_FMT_FLAG_HWACCEL;
-}
-
-enum AVPixelFormat avcodec_default_get_format(struct AVCodecContext *s, const enum AVPixelFormat *fmt)
-{
-    while (*fmt != AV_PIX_FMT_NONE && is_hwaccel_pix_fmt(*fmt))
-        ++fmt;
-    return fmt[0];
-}
-
-static AVHWAccel *find_hwaccel(enum AVCodecID codec_id,
-                               enum AVPixelFormat pix_fmt)
-{
-    AVHWAccel *hwaccel = NULL;
-
-    while ((hwaccel = av_hwaccel_next(hwaccel)))
-        if (hwaccel->id == codec_id
-            && hwaccel->pix_fmt == pix_fmt)
-            return hwaccel;
-    return NULL;
-}
-
-static int setup_hwaccel(AVCodecContext *avctx,
-                         const enum AVPixelFormat fmt,
-                         const char *name)
-{
-    AVHWAccel *hwa = find_hwaccel(avctx->codec_id, fmt);
-    int ret        = 0;
-
-    if (avctx->active_thread_type & FF_THREAD_FRAME) {
-        av_log(avctx, AV_LOG_WARNING,
-               "Hardware accelerated decoding with frame threading is known to be unstable and its use is discouraged.\n");
-    }
-
-    if (!hwa) {
-        av_log(avctx, AV_LOG_ERROR,
-               "Could not find an AVHWAccel for the pixel format: %s",
-               name);
-        return AVERROR(ENOENT);
-    }
-
-    if (hwa->capabilities & HWACCEL_CODEC_CAP_EXPERIMENTAL &&
-        avctx->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
-        av_log(avctx, AV_LOG_WARNING, "Ignoring experimental hwaccel: %s\n",
-               hwa->name);
-        return AVERROR_PATCHWELCOME;
-    }
-
-    if (hwa->priv_data_size) {
-        avctx->internal->hwaccel_priv_data = av_mallocz(hwa->priv_data_size);
-        if (!avctx->internal->hwaccel_priv_data)
-            return AVERROR(ENOMEM);
-    }
-
-    if (hwa->init) {
-        ret = hwa->init(avctx);
-        if (ret < 0) {
-            av_freep(&avctx->internal->hwaccel_priv_data);
-            return ret;
-        }
-    }
-
-    avctx->hwaccel = hwa;
-
-    return 0;
-}
-
-int ff_get_format(AVCodecContext *avctx, const enum AVPixelFormat *fmt)
-{
-    const AVPixFmtDescriptor *desc;
-    enum AVPixelFormat *choices;
-    enum AVPixelFormat ret;
-    unsigned n = 0;
-
-    while (fmt[n] != AV_PIX_FMT_NONE)
-        ++n;
-
-    av_assert0(n >= 1);
-    avctx->sw_pix_fmt = fmt[n - 1];
-    av_assert2(!is_hwaccel_pix_fmt(avctx->sw_pix_fmt));
-
-    choices = av_malloc_array(n + 1, sizeof(*choices));
-    if (!choices)
-        return AV_PIX_FMT_NONE;
-
-    memcpy(choices, fmt, (n + 1) * sizeof(*choices));
-
-    for (;;) {
-        if (avctx->hwaccel && avctx->hwaccel->uninit)
-            avctx->hwaccel->uninit(avctx);
-        av_freep(&avctx->internal->hwaccel_priv_data);
-        avctx->hwaccel = NULL;
-
-        av_buffer_unref(&avctx->hw_frames_ctx);
-
-        ret = avctx->get_format(avctx, choices);
-
-        desc = av_pix_fmt_desc_get(ret);
-        if (!desc) {
-            ret = AV_PIX_FMT_NONE;
-            break;
-        }
-
-        if (!(desc->flags & AV_PIX_FMT_FLAG_HWACCEL))
-            break;
-#if FF_API_CAP_VDPAU
-        if (avctx->codec->capabilities&AV_CODEC_CAP_HWACCEL_VDPAU)
-            break;
-#endif
-
-        if (avctx->hw_frames_ctx) {
-            AVHWFramesContext *hw_frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
-            if (hw_frames_ctx->format != ret) {
-                av_log(avctx, AV_LOG_ERROR, "Format returned from get_buffer() "
-                       "does not match the format of provided AVHWFramesContext\n");
-                ret = AV_PIX_FMT_NONE;
-                break;
-            }
-        }
-
-        if (!setup_hwaccel(avctx, ret, desc->name))
-            break;
-
-        /* Remove failed hwaccel from choices */
-        for (n = 0; choices[n] != ret; n++)
-            av_assert0(choices[n] != AV_PIX_FMT_NONE);
-
-        do
-            choices[n] = choices[n + 1];
-        while (choices[n++] != AV_PIX_FMT_NONE);
-    }
-
-    av_freep(&choices);
-    return ret;
-}
-
 MAKE_ACCESSORS(AVCodecContext, codec, AVRational, pkt_timebase)
 MAKE_ACCESSORS(AVCodecContext, codec, const AVCodecDescriptor *, codec_descriptor)
 MAKE_ACCESSORS(AVCodecContext, codec, int, lowres)
@@ -1197,12 +589,6 @@ int avpriv_codec_get_cap_skip_frame_fill_param(const AVCodec *codec){
     return !!(codec->caps_internal & FF_CODEC_CAP_SKIP_FRAME_FILL_PARAM);
 }
 
-static void get_subtitle_defaults(AVSubtitle *sub)
-{
-    memset(sub, 0, sizeof(*sub));
-    sub->pts = AV_NOPTS_VALUE;
-}
-
 static int64_t get_bit_rate(AVCodecContext *ctx)
 {
     int64_t bit_rate;
@@ -1269,7 +655,7 @@ int attribute_align_arg avcodec_open2(AVCodecContext *avctx, const AVCodec *code
     if (ret < 0)
         return ret;
 
-    avctx->internal = av_mallocz(sizeof(AVCodecInternal));
+    avctx->internal = av_mallocz(sizeof(*avctx->internal));
     if (!avctx->internal) {
         ret = AVERROR(ENOMEM);
         goto end;
@@ -1287,6 +673,12 @@ int attribute_align_arg avcodec_open2(AVCodecContext *avctx, const AVCodec *code
         goto free_and_end;
     }
 
+    avctx->internal->compat_decode_frame = av_frame_alloc();
+    if (!avctx->internal->compat_decode_frame) {
+        ret = AVERROR(ENOMEM);
+        goto free_and_end;
+    }
+
     avctx->internal->buffer_frame = av_frame_alloc();
     if (!avctx->internal->buffer_frame) {
         ret = AVERROR(ENOMEM);
@@ -1299,6 +691,20 @@ int attribute_align_arg avcodec_open2(AVCodecContext *avctx, const AVCodec *code
         goto free_and_end;
     }
 
+    avctx->internal->ds.in_pkt = av_packet_alloc();
+    if (!avctx->internal->ds.in_pkt) {
+        ret = AVERROR(ENOMEM);
+        goto free_and_end;
+    }
+
+    avctx->internal->last_pkt_props = av_packet_alloc();
+    if (!avctx->internal->last_pkt_props) {
+        ret = AVERROR(ENOMEM);
+        goto free_and_end;
+    }
+
+    avctx->internal->skip_samples_multiplier = 1;
+
     if (codec->priv_data_size > 0) {
         if (!avctx->priv_data) {
             avctx->priv_data = av_mallocz(codec->priv_data_size);
@@ -1337,8 +743,8 @@ int attribute_align_arg avcodec_open2(AVCodecContext *avctx, const AVCodec *code
     }
 
     if ((avctx->coded_width || avctx->coded_height || avctx->width || avctx->height)
-        && (  av_image_check_size(avctx->coded_width, avctx->coded_height, 0, avctx) < 0
-           || av_image_check_size(avctx->width,       avctx->height,       0, avctx) < 0)) {
+        && (  av_image_check_size2(avctx->coded_width, avctx->coded_height, avctx->max_pixels, AV_PIX_FMT_NONE, 0, avctx) < 0
+           || av_image_check_size2(avctx->width,       avctx->height,       avctx->max_pixels, AV_PIX_FMT_NONE, 0, avctx) < 0)) {
         av_log(avctx, AV_LOG_WARNING, "Ignoring invalid width/height values\n");
         ff_set_dimensions(avctx, 0, 0);
     }
@@ -1561,11 +967,11 @@ FF_ENABLE_DEPRECATION_WARNINGS
         }
         if (   (avctx->codec_type == AVMEDIA_TYPE_VIDEO || avctx->codec_type == AVMEDIA_TYPE_AUDIO)
             && avctx->bit_rate>0 && avctx->bit_rate<1000) {
-            av_log(avctx, AV_LOG_WARNING, "Bitrate %"PRId64" is extremely low, maybe you mean %"PRId64"k\n", (int64_t)avctx->bit_rate, (int64_t)avctx->bit_rate);
+            av_log(avctx, AV_LOG_WARNING, "Bitrate %"PRId64" is extremely low, maybe you mean %"PRId64"k\n", avctx->bit_rate, avctx->bit_rate);
         }
 
         if (!avctx->rc_initial_buffer_occupancy)
-            avctx->rc_initial_buffer_occupancy = avctx->rc_buffer_size * 3 / 4;
+            avctx->rc_initial_buffer_occupancy = avctx->rc_buffer_size * 3LL / 4;
 
         if (avctx->ticks_per_frame && avctx->time_base.num &&
             avctx->ticks_per_frame > INT_MAX / avctx->time_base.num) {
@@ -1585,6 +991,17 @@ FF_ENABLE_DEPRECATION_WARNINGS
                 ret = AVERROR(EINVAL);
                 goto free_and_end;
             }
+            if (avctx->sw_pix_fmt != AV_PIX_FMT_NONE &&
+                avctx->sw_pix_fmt != frames_ctx->sw_format) {
+                av_log(avctx, AV_LOG_ERROR,
+                       "Mismatching AVCodecContext.sw_pix_fmt (%s) "
+                       "and AVHWFramesContext.sw_format (%s)\n",
+                       av_get_pix_fmt_name(avctx->sw_pix_fmt),
+                       av_get_pix_fmt_name(frames_ctx->sw_format));
+                ret = AVERROR(EINVAL);
+                goto free_and_end;
+            }
+            avctx->sw_pix_fmt = frames_ctx->sw_format;
         }
     }
 
@@ -1709,9 +1126,14 @@ FF_ENABLE_DEPRECATION_WARNINGS
     av_dict_free(&tmp);
     av_freep(&avctx->priv_data);
     if (avctx->internal) {
-        av_packet_free(&avctx->internal->buffer_pkt);
-        av_frame_free(&avctx->internal->buffer_frame);
         av_frame_free(&avctx->internal->to_free);
+        av_frame_free(&avctx->internal->compat_decode_frame);
+        av_frame_free(&avctx->internal->buffer_frame);
+        av_packet_free(&avctx->internal->buffer_pkt);
+        av_packet_free(&avctx->internal->last_pkt_props);
+
+        av_packet_free(&avctx->internal->ds.in_pkt);
+
         av_freep(&avctx->internal->pool);
     }
     av_freep(&avctx->internal);
@@ -1719,1032 +1141,6 @@ FF_ENABLE_DEPRECATION_WARNINGS
     goto end;
 }
 
-int ff_alloc_packet2(AVCodecContext *avctx, AVPacket *avpkt, int64_t size, int64_t min_size)
-{
-    if (avpkt->size < 0) {
-        av_log(avctx, AV_LOG_ERROR, "Invalid negative user packet size %d\n", avpkt->size);
-        return AVERROR(EINVAL);
-    }
-    if (size < 0 || size > INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE) {
-        av_log(avctx, AV_LOG_ERROR, "Invalid minimum required packet size %"PRId64" (max allowed is %d)\n",
-               size, INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE);
-        return AVERROR(EINVAL);
-    }
-
-    if (avctx && 2*min_size < size) { // FIXME The factor needs to be finetuned
-        av_assert0(!avpkt->data || avpkt->data != avctx->internal->byte_buffer);
-        if (!avpkt->data || avpkt->size < size) {
-            av_fast_padded_malloc(&avctx->internal->byte_buffer, &avctx->internal->byte_buffer_size, size);
-            avpkt->data = avctx->internal->byte_buffer;
-            avpkt->size = avctx->internal->byte_buffer_size;
-        }
-    }
-
-    if (avpkt->data) {
-        AVBufferRef *buf = avpkt->buf;
-
-        if (avpkt->size < size) {
-            av_log(avctx, AV_LOG_ERROR, "User packet is too small (%d < %"PRId64")\n", avpkt->size, size);
-            return AVERROR(EINVAL);
-        }
-
-        av_init_packet(avpkt);
-        avpkt->buf      = buf;
-        avpkt->size     = size;
-        return 0;
-    } else {
-        int ret = av_new_packet(avpkt, size);
-        if (ret < 0)
-            av_log(avctx, AV_LOG_ERROR, "Failed to allocate packet of size %"PRId64"\n", size);
-        return ret;
-    }
-}
-
-int ff_alloc_packet(AVPacket *avpkt, int size)
-{
-    return ff_alloc_packet2(NULL, avpkt, size, 0);
-}
-
-/**
- * Pad last frame with silence.
- */
-static int pad_last_frame(AVCodecContext *s, AVFrame **dst, const AVFrame *src)
-{
-    AVFrame *frame = NULL;
-    int ret;
-
-    if (!(frame = av_frame_alloc()))
-        return AVERROR(ENOMEM);
-
-    frame->format         = src->format;
-    frame->channel_layout = src->channel_layout;
-    av_frame_set_channels(frame, av_frame_get_channels(src));
-    frame->nb_samples     = s->frame_size;
-    ret = av_frame_get_buffer(frame, 32);
-    if (ret < 0)
-        goto fail;
-
-    ret = av_frame_copy_props(frame, src);
-    if (ret < 0)
-        goto fail;
-
-    if ((ret = av_samples_copy(frame->extended_data, src->extended_data, 0, 0,
-                               src->nb_samples, s->channels, s->sample_fmt)) < 0)
-        goto fail;
-    if ((ret = av_samples_set_silence(frame->extended_data, src->nb_samples,
-                                      frame->nb_samples - src->nb_samples,
-                                      s->channels, s->sample_fmt)) < 0)
-        goto fail;
-
-    *dst = frame;
-
-    return 0;
-
-fail:
-    av_frame_free(&frame);
-    return ret;
-}
-
-int attribute_align_arg avcodec_encode_audio2(AVCodecContext *avctx,
-                                              AVPacket *avpkt,
-                                              const AVFrame *frame,
-                                              int *got_packet_ptr)
-{
-    AVFrame *extended_frame = NULL;
-    AVFrame *padded_frame = NULL;
-    int ret;
-    AVPacket user_pkt = *avpkt;
-    int needs_realloc = !user_pkt.data;
-
-    *got_packet_ptr = 0;
-
-    if (!avctx->codec->encode2) {
-        av_log(avctx, AV_LOG_ERROR, "This encoder requires using the avcodec_send_frame() API.\n");
-        return AVERROR(ENOSYS);
-    }
-
-    if (!(avctx->codec->capabilities & AV_CODEC_CAP_DELAY) && !frame) {
-        av_packet_unref(avpkt);
-        av_init_packet(avpkt);
-        return 0;
-    }
-
-    /* ensure that extended_data is properly set */
-    if (frame && !frame->extended_data) {
-        if (av_sample_fmt_is_planar(avctx->sample_fmt) &&
-            avctx->channels > AV_NUM_DATA_POINTERS) {
-            av_log(avctx, AV_LOG_ERROR, "Encoding to a planar sample format, "
-                                        "with more than %d channels, but extended_data is not set.\n",
-                   AV_NUM_DATA_POINTERS);
-            return AVERROR(EINVAL);
-        }
-        av_log(avctx, AV_LOG_WARNING, "extended_data is not set.\n");
-
-        extended_frame = av_frame_alloc();
-        if (!extended_frame)
-            return AVERROR(ENOMEM);
-
-        memcpy(extended_frame, frame, sizeof(AVFrame));
-        extended_frame->extended_data = extended_frame->data;
-        frame = extended_frame;
-    }
-
-    /* extract audio service type metadata */
-    if (frame) {
-        AVFrameSideData *sd = av_frame_get_side_data(frame, AV_FRAME_DATA_AUDIO_SERVICE_TYPE);
-        if (sd && sd->size >= sizeof(enum AVAudioServiceType))
-            avctx->audio_service_type = *(enum AVAudioServiceType*)sd->data;
-    }
-
-    /* check for valid frame size */
-    if (frame) {
-        if (avctx->codec->capabilities & AV_CODEC_CAP_SMALL_LAST_FRAME) {
-            if (frame->nb_samples > avctx->frame_size) {
-                av_log(avctx, AV_LOG_ERROR, "more samples than frame size (avcodec_encode_audio2)\n");
-                ret = AVERROR(EINVAL);
-                goto end;
-            }
-        } else if (!(avctx->codec->capabilities & AV_CODEC_CAP_VARIABLE_FRAME_SIZE)) {
-            if (frame->nb_samples < avctx->frame_size &&
-                !avctx->internal->last_audio_frame) {
-                ret = pad_last_frame(avctx, &padded_frame, frame);
-                if (ret < 0)
-                    goto end;
-
-                frame = padded_frame;
-                avctx->internal->last_audio_frame = 1;
-            }
-
-            if (frame->nb_samples != avctx->frame_size) {
-                av_log(avctx, AV_LOG_ERROR, "nb_samples (%d) != frame_size (%d) (avcodec_encode_audio2)\n", frame->nb_samples, avctx->frame_size);
-                ret = AVERROR(EINVAL);
-                goto end;
-            }
-        }
-    }
-
-    av_assert0(avctx->codec->encode2);
-
-    ret = avctx->codec->encode2(avctx, avpkt, frame, got_packet_ptr);
-    if (!ret) {
-        if (*got_packet_ptr) {
-            if (!(avctx->codec->capabilities & AV_CODEC_CAP_DELAY)) {
-                if (avpkt->pts == AV_NOPTS_VALUE)
-                    avpkt->pts = frame->pts;
-                if (!avpkt->duration)
-                    avpkt->duration = ff_samples_to_time_base(avctx,
-                                                              frame->nb_samples);
-            }
-            avpkt->dts = avpkt->pts;
-        } else {
-            avpkt->size = 0;
-        }
-    }
-    if (avpkt->data && avpkt->data == avctx->internal->byte_buffer) {
-        needs_realloc = 0;
-        if (user_pkt.data) {
-            if (user_pkt.size >= avpkt->size) {
-                memcpy(user_pkt.data, avpkt->data, avpkt->size);
-            } else {
-                av_log(avctx, AV_LOG_ERROR, "Provided packet is too small, needs to be %d\n", avpkt->size);
-                avpkt->size = user_pkt.size;
-                ret = -1;
-            }
-            avpkt->buf      = user_pkt.buf;
-            avpkt->data     = user_pkt.data;
-        } else {
-            if (av_dup_packet(avpkt) < 0) {
-                ret = AVERROR(ENOMEM);
-            }
-        }
-    }
-
-    if (!ret) {
-        if (needs_realloc && avpkt->data) {
-            ret = av_buffer_realloc(&avpkt->buf, avpkt->size + AV_INPUT_BUFFER_PADDING_SIZE);
-            if (ret >= 0)
-                avpkt->data = avpkt->buf->data;
-        }
-
-        avctx->frame_number++;
-    }
-
-    if (ret < 0 || !*got_packet_ptr) {
-        av_packet_unref(avpkt);
-        av_init_packet(avpkt);
-        goto end;
-    }
-
-    /* NOTE: if we add any audio encoders which output non-keyframe packets,
-     *       this needs to be moved to the encoders, but for now we can do it
-     *       here to simplify things */
-    avpkt->flags |= AV_PKT_FLAG_KEY;
-
-end:
-    av_frame_free(&padded_frame);
-    av_free(extended_frame);
-
-#if FF_API_AUDIOENC_DELAY
-    avctx->delay = avctx->initial_padding;
-#endif
-
-    return ret;
-}
-
-int attribute_align_arg avcodec_encode_video2(AVCodecContext *avctx,
-                                              AVPacket *avpkt,
-                                              const AVFrame *frame,
-                                              int *got_packet_ptr)
-{
-    int ret;
-    AVPacket user_pkt = *avpkt;
-    int needs_realloc = !user_pkt.data;
-
-    *got_packet_ptr = 0;
-
-    if (!avctx->codec->encode2) {
-        av_log(avctx, AV_LOG_ERROR, "This encoder requires using the avcodec_send_frame() API.\n");
-        return AVERROR(ENOSYS);
-    }
-
-    if(CONFIG_FRAME_THREAD_ENCODER &&
-       avctx->internal->frame_thread_encoder && (avctx->active_thread_type&FF_THREAD_FRAME))
-        return ff_thread_video_encode_frame(avctx, avpkt, frame, got_packet_ptr);
-
-    if ((avctx->flags&AV_CODEC_FLAG_PASS1) && avctx->stats_out)
-        avctx->stats_out[0] = '\0';
-
-    if (!(avctx->codec->capabilities & AV_CODEC_CAP_DELAY) && !frame) {
-        av_packet_unref(avpkt);
-        av_init_packet(avpkt);
-        avpkt->size = 0;
-        return 0;
-    }
-
-    if (av_image_check_size(avctx->width, avctx->height, 0, avctx))
-        return AVERROR(EINVAL);
-
-    if (frame && frame->format == AV_PIX_FMT_NONE)
-        av_log(avctx, AV_LOG_WARNING, "AVFrame.format is not set\n");
-    if (frame && (frame->width == 0 || frame->height == 0))
-        av_log(avctx, AV_LOG_WARNING, "AVFrame.width or height is not set\n");
-
-    av_assert0(avctx->codec->encode2);
-
-    ret = avctx->codec->encode2(avctx, avpkt, frame, got_packet_ptr);
-    av_assert0(ret <= 0);
-
-    emms_c();
-
-    if (avpkt->data && avpkt->data == avctx->internal->byte_buffer) {
-        needs_realloc = 0;
-        if (user_pkt.data) {
-            if (user_pkt.size >= avpkt->size) {
-                memcpy(user_pkt.data, avpkt->data, avpkt->size);
-            } else {
-                av_log(avctx, AV_LOG_ERROR, "Provided packet is too small, needs to be %d\n", avpkt->size);
-                avpkt->size = user_pkt.size;
-                ret = -1;
-            }
-            avpkt->buf      = user_pkt.buf;
-            avpkt->data     = user_pkt.data;
-        } else {
-            if (av_dup_packet(avpkt) < 0) {
-                ret = AVERROR(ENOMEM);
-            }
-        }
-    }
-
-    if (!ret) {
-        if (!*got_packet_ptr)
-            avpkt->size = 0;
-        else if (!(avctx->codec->capabilities & AV_CODEC_CAP_DELAY))
-            avpkt->pts = avpkt->dts = frame->pts;
-
-        if (needs_realloc && avpkt->data) {
-            ret = av_buffer_realloc(&avpkt->buf, avpkt->size + AV_INPUT_BUFFER_PADDING_SIZE);
-            if (ret >= 0)
-                avpkt->data = avpkt->buf->data;
-        }
-
-        avctx->frame_number++;
-    }
-
-    if (ret < 0 || !*got_packet_ptr)
-        av_packet_unref(avpkt);
-
-    return ret;
-}
-
-int avcodec_encode_subtitle(AVCodecContext *avctx, uint8_t *buf, int buf_size,
-                            const AVSubtitle *sub)
-{
-    int ret;
-    if (sub->start_display_time) {
-        av_log(avctx, AV_LOG_ERROR, "start_display_time must be 0.\n");
-        return -1;
-    }
-
-    ret = avctx->codec->encode_sub(avctx, buf, buf_size, sub);
-    avctx->frame_number++;
-    return ret;
-}
-
-/**
- * Attempt to guess proper monotonic timestamps for decoded video frames
- * which might have incorrect times. Input timestamps may wrap around, in
- * which case the output will as well.
- *
- * @param pts the pts field of the decoded AVPacket, as passed through
- * AVFrame.pts
- * @param dts the dts field of the decoded AVPacket
- * @return one of the input values, may be AV_NOPTS_VALUE
- */
-static int64_t guess_correct_pts(AVCodecContext *ctx,
-                                 int64_t reordered_pts, int64_t dts)
-{
-    int64_t pts = AV_NOPTS_VALUE;
-
-    if (dts != AV_NOPTS_VALUE) {
-        ctx->pts_correction_num_faulty_dts += dts <= ctx->pts_correction_last_dts;
-        ctx->pts_correction_last_dts = dts;
-    } else if (reordered_pts != AV_NOPTS_VALUE)
-        ctx->pts_correction_last_dts = reordered_pts;
-
-    if (reordered_pts != AV_NOPTS_VALUE) {
-        ctx->pts_correction_num_faulty_pts += reordered_pts <= ctx->pts_correction_last_pts;
-        ctx->pts_correction_last_pts = reordered_pts;
-    } else if(dts != AV_NOPTS_VALUE)
-        ctx->pts_correction_last_pts = dts;
-
-    if ((ctx->pts_correction_num_faulty_pts<=ctx->pts_correction_num_faulty_dts || dts == AV_NOPTS_VALUE)
-       && reordered_pts != AV_NOPTS_VALUE)
-        pts = reordered_pts;
-    else
-        pts = dts;
-
-    return pts;
-}
-
-static int apply_param_change(AVCodecContext *avctx, AVPacket *avpkt)
-{
-    int size = 0, ret;
-    const uint8_t *data;
-    uint32_t flags;
-    int64_t val;
-
-    data = av_packet_get_side_data(avpkt, AV_PKT_DATA_PARAM_CHANGE, &size);
-    if (!data)
-        return 0;
-
-    if (!(avctx->codec->capabilities & AV_CODEC_CAP_PARAM_CHANGE)) {
-        av_log(avctx, AV_LOG_ERROR, "This decoder does not support parameter "
-               "changes, but PARAM_CHANGE side data was sent to it.\n");
-        ret = AVERROR(EINVAL);
-        goto fail2;
-    }
-
-    if (size < 4)
-        goto fail;
-
-    flags = bytestream_get_le32(&data);
-    size -= 4;
-
-    if (flags & AV_SIDE_DATA_PARAM_CHANGE_CHANNEL_COUNT) {
-        if (size < 4)
-            goto fail;
-        val = bytestream_get_le32(&data);
-        if (val <= 0 || val > INT_MAX) {
-            av_log(avctx, AV_LOG_ERROR, "Invalid channel count");
-            ret = AVERROR_INVALIDDATA;
-            goto fail2;
-        }
-        avctx->channels = val;
-        size -= 4;
-    }
-    if (flags & AV_SIDE_DATA_PARAM_CHANGE_CHANNEL_LAYOUT) {
-        if (size < 8)
-            goto fail;
-        avctx->channel_layout = bytestream_get_le64(&data);
-        size -= 8;
-    }
-    if (flags & AV_SIDE_DATA_PARAM_CHANGE_SAMPLE_RATE) {
-        if (size < 4)
-            goto fail;
-        val = bytestream_get_le32(&data);
-        if (val <= 0 || val > INT_MAX) {
-            av_log(avctx, AV_LOG_ERROR, "Invalid sample rate");
-            ret = AVERROR_INVALIDDATA;
-            goto fail2;
-        }
-        avctx->sample_rate = val;
-        size -= 4;
-    }
-    if (flags & AV_SIDE_DATA_PARAM_CHANGE_DIMENSIONS) {
-        if (size < 8)
-            goto fail;
-        avctx->width  = bytestream_get_le32(&data);
-        avctx->height = bytestream_get_le32(&data);
-        size -= 8;
-        ret = ff_set_dimensions(avctx, avctx->width, avctx->height);
-        if (ret < 0)
-            goto fail2;
-    }
-
-    return 0;
-fail:
-    av_log(avctx, AV_LOG_ERROR, "PARAM_CHANGE side data too small.\n");
-    ret = AVERROR_INVALIDDATA;
-fail2:
-    if (ret < 0) {
-        av_log(avctx, AV_LOG_ERROR, "Error applying parameter changes.\n");
-        if (avctx->err_recognition & AV_EF_EXPLODE)
-            return ret;
-    }
-    return 0;
-}
-
-static int unrefcount_frame(AVCodecInternal *avci, AVFrame *frame)
-{
-    int ret;
-
-    /* move the original frame to our backup */
-    av_frame_unref(avci->to_free);
-    av_frame_move_ref(avci->to_free, frame);
-
-    /* now copy everything except the AVBufferRefs back
-     * note that we make a COPY of the side data, so calling av_frame_free() on
-     * the caller's frame will work properly */
-    ret = av_frame_copy_props(frame, avci->to_free);
-    if (ret < 0)
-        return ret;
-
-    memcpy(frame->data,     avci->to_free->data,     sizeof(frame->data));
-    memcpy(frame->linesize, avci->to_free->linesize, sizeof(frame->linesize));
-    if (avci->to_free->extended_data != avci->to_free->data) {
-        int planes = av_frame_get_channels(avci->to_free);
-        int size   = planes * sizeof(*frame->extended_data);
-
-        if (!size) {
-            av_frame_unref(frame);
-            return AVERROR_BUG;
-        }
-
-        frame->extended_data = av_malloc(size);
-        if (!frame->extended_data) {
-            av_frame_unref(frame);
-            return AVERROR(ENOMEM);
-        }
-        memcpy(frame->extended_data, avci->to_free->extended_data,
-               size);
-    } else
-        frame->extended_data = frame->data;
-
-    frame->format         = avci->to_free->format;
-    frame->width          = avci->to_free->width;
-    frame->height         = avci->to_free->height;
-    frame->channel_layout = avci->to_free->channel_layout;
-    frame->nb_samples     = avci->to_free->nb_samples;
-    av_frame_set_channels(frame, av_frame_get_channels(avci->to_free));
-
-    return 0;
-}
-
-int attribute_align_arg avcodec_decode_video2(AVCodecContext *avctx, AVFrame *picture,
-                                              int *got_picture_ptr,
-                                              const AVPacket *avpkt)
-{
-    AVCodecInternal *avci = avctx->internal;
-    int ret;
-    // copy to ensure we do not change avpkt
-    AVPacket tmp = *avpkt;
-
-    if (!avctx->codec)
-        return AVERROR(EINVAL);
-    if (avctx->codec->type != AVMEDIA_TYPE_VIDEO) {
-        av_log(avctx, AV_LOG_ERROR, "Invalid media type for video\n");
-        return AVERROR(EINVAL);
-    }
-
-    if (!avctx->codec->decode) {
-        av_log(avctx, AV_LOG_ERROR, "This decoder requires using the avcodec_send_packet() API.\n");
-        return AVERROR(ENOSYS);
-    }
-
-    *got_picture_ptr = 0;
-    if ((avctx->coded_width || avctx->coded_height) && av_image_check_size(avctx->coded_width, avctx->coded_height, 0, avctx))
-        return AVERROR(EINVAL);
-
-    avctx->internal->pkt = avpkt;
-    ret = apply_param_change(avctx, avpkt);
-    if (ret < 0)
-        return ret;
-
-    av_frame_unref(picture);
-
-    if ((avctx->codec->capabilities & AV_CODEC_CAP_DELAY) || avpkt->size ||
-        (avctx->active_thread_type & FF_THREAD_FRAME)) {
-        int did_split = av_packet_split_side_data(&tmp);
-        ret = apply_param_change(avctx, &tmp);
-        if (ret < 0)
-            goto fail;
-
-        avctx->internal->pkt = &tmp;
-        if (HAVE_THREADS && avctx->active_thread_type & FF_THREAD_FRAME)
-            ret = ff_thread_decode_frame(avctx, picture, got_picture_ptr,
-                                         &tmp);
-        else {
-            ret = avctx->codec->decode(avctx, picture, got_picture_ptr,
-                                       &tmp);
-            if (!(avctx->codec->caps_internal & FF_CODEC_CAP_SETS_PKT_DTS))
-                picture->pkt_dts = avpkt->dts;
-
-            if(!avctx->has_b_frames){
-                av_frame_set_pkt_pos(picture, avpkt->pos);
-            }
-            //FIXME these should be under if(!avctx->has_b_frames)
-            /* get_buffer is supposed to set frame parameters */
-            if (!(avctx->codec->capabilities & AV_CODEC_CAP_DR1)) {
-                if (!picture->sample_aspect_ratio.num)    picture->sample_aspect_ratio = avctx->sample_aspect_ratio;
-                if (!picture->width)                      picture->width               = avctx->width;
-                if (!picture->height)                     picture->height              = avctx->height;
-                if (picture->format == AV_PIX_FMT_NONE)   picture->format              = avctx->pix_fmt;
-            }
-        }
-
-fail:
-        emms_c(); //needed to avoid an emms_c() call before every return;
-
-        avctx->internal->pkt = NULL;
-        if (did_split) {
-            av_packet_free_side_data(&tmp);
-            if(ret == tmp.size)
-                ret = avpkt->size;
-        }
-        if (picture->flags & AV_FRAME_FLAG_DISCARD) {
-            *got_picture_ptr = 0;
-        }
-        if (*got_picture_ptr) {
-            if (!avctx->refcounted_frames) {
-                int err = unrefcount_frame(avci, picture);
-                if (err < 0)
-                    return err;
-            }
-
-            avctx->frame_number++;
-            av_frame_set_best_effort_timestamp(picture,
-                                               guess_correct_pts(avctx,
-                                                                 picture->pts,
-                                                                 picture->pkt_dts));
-        } else
-            av_frame_unref(picture);
-    } else
-        ret = 0;
-
-    /* many decoders assign whole AVFrames, thus overwriting extended_data;
-     * make sure it's set correctly */
-    av_assert0(!picture->extended_data || picture->extended_data == picture->data);
-
-#if FF_API_AVCTX_TIMEBASE
-    if (avctx->framerate.num > 0 && avctx->framerate.den > 0)
-        avctx->time_base = av_inv_q(av_mul_q(avctx->framerate, (AVRational){avctx->ticks_per_frame, 1}));
-#endif
-
-    return ret;
-}
-
-int attribute_align_arg avcodec_decode_audio4(AVCodecContext *avctx,
-                                              AVFrame *frame,
-                                              int *got_frame_ptr,
-                                              const AVPacket *avpkt)
-{
-    AVCodecInternal *avci = avctx->internal;
-    int ret = 0;
-
-    *got_frame_ptr = 0;
-
-    if (!avctx->codec)
-        return AVERROR(EINVAL);
-
-    if (!avctx->codec->decode) {
-        av_log(avctx, AV_LOG_ERROR, "This decoder requires using the avcodec_send_packet() API.\n");
-        return AVERROR(ENOSYS);
-    }
-
-    if (!avpkt->data && avpkt->size) {
-        av_log(avctx, AV_LOG_ERROR, "invalid packet: NULL data, size != 0\n");
-        return AVERROR(EINVAL);
-    }
-    if (avctx->codec->type != AVMEDIA_TYPE_AUDIO) {
-        av_log(avctx, AV_LOG_ERROR, "Invalid media type for audio\n");
-        return AVERROR(EINVAL);
-    }
-
-    av_frame_unref(frame);
-
-    if ((avctx->codec->capabilities & AV_CODEC_CAP_DELAY) || avpkt->size || (avctx->active_thread_type & FF_THREAD_FRAME)) {
-        uint8_t *side;
-        int side_size;
-        uint32_t discard_padding = 0;
-        uint8_t skip_reason = 0;
-        uint8_t discard_reason = 0;
-        // copy to ensure we do not change avpkt
-        AVPacket tmp = *avpkt;
-        int did_split = av_packet_split_side_data(&tmp);
-        ret = apply_param_change(avctx, &tmp);
-        if (ret < 0)
-            goto fail;
-
-        avctx->internal->pkt = &tmp;
-        if (HAVE_THREADS && avctx->active_thread_type & FF_THREAD_FRAME)
-            ret = ff_thread_decode_frame(avctx, frame, got_frame_ptr, &tmp);
-        else {
-            ret = avctx->codec->decode(avctx, frame, got_frame_ptr, &tmp);
-            av_assert0(ret <= tmp.size);
-            frame->pkt_dts = avpkt->dts;
-        }
-        if (ret >= 0 && *got_frame_ptr) {
-            avctx->frame_number++;
-            av_frame_set_best_effort_timestamp(frame,
-                                               guess_correct_pts(avctx,
-                                                                 frame->pts,
-                                                                 frame->pkt_dts));
-            if (frame->format == AV_SAMPLE_FMT_NONE)
-                frame->format = avctx->sample_fmt;
-            if (!frame->channel_layout)
-                frame->channel_layout = avctx->channel_layout;
-            if (!av_frame_get_channels(frame))
-                av_frame_set_channels(frame, avctx->channels);
-            if (!frame->sample_rate)
-                frame->sample_rate = avctx->sample_rate;
-        }
-
-        side= av_packet_get_side_data(avctx->internal->pkt, AV_PKT_DATA_SKIP_SAMPLES, &side_size);
-        if(side && side_size>=10) {
-            avctx->internal->skip_samples = AV_RL32(side);
-            discard_padding = AV_RL32(side + 4);
-            av_log(avctx, AV_LOG_DEBUG, "skip %d / discard %d samples due to side data\n",
-                   avctx->internal->skip_samples, (int)discard_padding);
-            skip_reason = AV_RL8(side + 8);
-            discard_reason = AV_RL8(side + 9);
-        }
-
-        if ((frame->flags & AV_FRAME_FLAG_DISCARD) && *got_frame_ptr &&
-            !(avctx->flags2 & AV_CODEC_FLAG2_SKIP_MANUAL)) {
-            avctx->internal->skip_samples -= frame->nb_samples;
-            *got_frame_ptr = 0;
-        }
-
-        if (avctx->internal->skip_samples > 0 && *got_frame_ptr &&
-            !(avctx->flags2 & AV_CODEC_FLAG2_SKIP_MANUAL)) {
-            if(frame->nb_samples <= avctx->internal->skip_samples){
-                *got_frame_ptr = 0;
-                avctx->internal->skip_samples -= frame->nb_samples;
-                av_log(avctx, AV_LOG_DEBUG, "skip whole frame, skip left: %d\n",
-                       avctx->internal->skip_samples);
-            } else {
-                av_samples_copy(frame->extended_data, frame->extended_data, 0, avctx->internal->skip_samples,
-                                frame->nb_samples - avctx->internal->skip_samples, avctx->channels, frame->format);
-                if(avctx->pkt_timebase.num && avctx->sample_rate) {
-                    int64_t diff_ts = av_rescale_q(avctx->internal->skip_samples,
-                                                   (AVRational){1, avctx->sample_rate},
-                                                   avctx->pkt_timebase);
-                    if(frame->pts!=AV_NOPTS_VALUE)
-                        frame->pts += diff_ts;
-#if FF_API_PKT_PTS
-FF_DISABLE_DEPRECATION_WARNINGS
-                    if(frame->pkt_pts!=AV_NOPTS_VALUE)
-                        frame->pkt_pts += diff_ts;
-FF_ENABLE_DEPRECATION_WARNINGS
-#endif
-                    if(frame->pkt_dts!=AV_NOPTS_VALUE)
-                        frame->pkt_dts += diff_ts;
-                    if (av_frame_get_pkt_duration(frame) >= diff_ts)
-                        av_frame_set_pkt_duration(frame, av_frame_get_pkt_duration(frame) - diff_ts);
-                } else {
-                    av_log(avctx, AV_LOG_WARNING, "Could not update timestamps for skipped samples.\n");
-                }
-                av_log(avctx, AV_LOG_DEBUG, "skip %d/%d samples\n",
-                       avctx->internal->skip_samples, frame->nb_samples);
-                frame->nb_samples -= avctx->internal->skip_samples;
-                avctx->internal->skip_samples = 0;
-            }
-        }
-
-        if (discard_padding > 0 && discard_padding <= frame->nb_samples && *got_frame_ptr &&
-            !(avctx->flags2 & AV_CODEC_FLAG2_SKIP_MANUAL)) {
-            if (discard_padding == frame->nb_samples) {
-                *got_frame_ptr = 0;
-            } else {
-                if(avctx->pkt_timebase.num && avctx->sample_rate) {
-                    int64_t diff_ts = av_rescale_q(frame->nb_samples - discard_padding,
-                                                   (AVRational){1, avctx->sample_rate},
-                                                   avctx->pkt_timebase);
-                    av_frame_set_pkt_duration(frame, diff_ts);
-                } else {
-                    av_log(avctx, AV_LOG_WARNING, "Could not update timestamps for discarded samples.\n");
-                }
-                av_log(avctx, AV_LOG_DEBUG, "discard %d/%d samples\n",
-                       (int)discard_padding, frame->nb_samples);
-                frame->nb_samples -= discard_padding;
-            }
-        }
-
-        if ((avctx->flags2 & AV_CODEC_FLAG2_SKIP_MANUAL) && *got_frame_ptr) {
-            AVFrameSideData *fside = av_frame_new_side_data(frame, AV_FRAME_DATA_SKIP_SAMPLES, 10);
-            if (fside) {
-                AV_WL32(fside->data, avctx->internal->skip_samples);
-                AV_WL32(fside->data + 4, discard_padding);
-                AV_WL8(fside->data + 8, skip_reason);
-                AV_WL8(fside->data + 9, discard_reason);
-                avctx->internal->skip_samples = 0;
-            }
-        }
-fail:
-        avctx->internal->pkt = NULL;
-        if (did_split) {
-            av_packet_free_side_data(&tmp);
-            if(ret == tmp.size)
-                ret = avpkt->size;
-        }
-
-        if (ret >= 0 && *got_frame_ptr) {
-            if (!avctx->refcounted_frames) {
-                int err = unrefcount_frame(avci, frame);
-                if (err < 0)
-                    return err;
-            }
-        } else
-            av_frame_unref(frame);
-    }
-
-    av_assert0(ret <= avpkt->size);
-
-    if (!avci->showed_multi_packet_warning &&
-        ret >= 0 && ret != avpkt->size && !(avctx->codec->capabilities & AV_CODEC_CAP_SUBFRAMES)) {
-            av_log(avctx, AV_LOG_WARNING, "Multiple frames in a packet.\n");
-        avci->showed_multi_packet_warning = 1;
-    }
-
-    return ret;
-}
-
-#define UTF8_MAX_BYTES 4 /* 5 and 6 bytes sequences should not be used */
-static int recode_subtitle(AVCodecContext *avctx,
-                           AVPacket *outpkt, const AVPacket *inpkt)
-{
-#if CONFIG_ICONV
-    iconv_t cd = (iconv_t)-1;
-    int ret = 0;
-    char *inb, *outb;
-    size_t inl, outl;
-    AVPacket tmp;
-#endif
-
-    if (avctx->sub_charenc_mode != FF_SUB_CHARENC_MODE_PRE_DECODER || inpkt->size == 0)
-        return 0;
-
-#if CONFIG_ICONV
-    cd = iconv_open("UTF-8", avctx->sub_charenc);
-    av_assert0(cd != (iconv_t)-1);
-
-    inb = inpkt->data;
-    inl = inpkt->size;
-
-    if (inl >= INT_MAX / UTF8_MAX_BYTES - AV_INPUT_BUFFER_PADDING_SIZE) {
-        av_log(avctx, AV_LOG_ERROR, "Subtitles packet is too big for recoding\n");
-        ret = AVERROR(ENOMEM);
-        goto end;
-    }
-
-    ret = av_new_packet(&tmp, inl * UTF8_MAX_BYTES);
-    if (ret < 0)
-        goto end;
-    outpkt->buf  = tmp.buf;
-    outpkt->data = tmp.data;
-    outpkt->size = tmp.size;
-    outb = outpkt->data;
-    outl = outpkt->size;
-
-    if (iconv(cd, &inb, &inl, &outb, &outl) == (size_t)-1 ||
-        iconv(cd, NULL, NULL, &outb, &outl) == (size_t)-1 ||
-        outl >= outpkt->size || inl != 0) {
-        ret = FFMIN(AVERROR(errno), -1);
-        av_log(avctx, AV_LOG_ERROR, "Unable to recode subtitle event \"%s\" "
-               "from %s to UTF-8\n", inpkt->data, avctx->sub_charenc);
-        av_packet_unref(&tmp);
-        goto end;
-    }
-    outpkt->size -= outl;
-    memset(outpkt->data + outpkt->size, 0, outl);
-
-end:
-    if (cd != (iconv_t)-1)
-        iconv_close(cd);
-    return ret;
-#else
-    av_log(avctx, AV_LOG_ERROR, "requesting subtitles recoding without iconv");
-    return AVERROR(EINVAL);
-#endif
-}
-
-static int utf8_check(const uint8_t *str)
-{
-    const uint8_t *byte;
-    uint32_t codepoint, min;
-
-    while (*str) {
-        byte = str;
-        GET_UTF8(codepoint, *(byte++), return 0;);
-        min = byte - str == 1 ? 0 : byte - str == 2 ? 0x80 :
-              1 << (5 * (byte - str) - 4);
-        if (codepoint < min || codepoint >= 0x110000 ||
-            codepoint == 0xFFFE /* BOM */ ||
-            codepoint >= 0xD800 && codepoint <= 0xDFFF /* surrogates */)
-            return 0;
-        str = byte;
-    }
-    return 1;
-}
-
-#if FF_API_ASS_TIMING
-static void insert_ts(AVBPrint *buf, int ts)
-{
-    if (ts == -1) {
-        av_bprintf(buf, "9:59:59.99,");
-    } else {
-        int h, m, s;
-
-        h = ts/360000;  ts -= 360000*h;
-        m = ts/  6000;  ts -=   6000*m;
-        s = ts/   100;  ts -=    100*s;
-        av_bprintf(buf, "%d:%02d:%02d.%02d,", h, m, s, ts);
-    }
-}
-
-static int convert_sub_to_old_ass_form(AVSubtitle *sub, const AVPacket *pkt, AVRational tb)
-{
-    int i;
-    AVBPrint buf;
-
-    av_bprint_init(&buf, 0, AV_BPRINT_SIZE_UNLIMITED);
-
-    for (i = 0; i < sub->num_rects; i++) {
-        char *final_dialog;
-        const char *dialog;
-        AVSubtitleRect *rect = sub->rects[i];
-        int ts_start, ts_duration = -1;
-        long int layer;
-
-        if (rect->type != SUBTITLE_ASS || !strncmp(rect->ass, "Dialogue: ", 10))
-            continue;
-
-        av_bprint_clear(&buf);
-
-        /* skip ReadOrder */
-        dialog = strchr(rect->ass, ',');
-        if (!dialog)
-            continue;
-        dialog++;
-
-        /* extract Layer or Marked */
-        layer = strtol(dialog, (char**)&dialog, 10);
-        if (*dialog != ',')
-            continue;
-        dialog++;
-
-        /* rescale timing to ASS time base (ms) */
-        ts_start = av_rescale_q(pkt->pts, tb, av_make_q(1, 100));
-        if (pkt->duration != -1)
-            ts_duration = av_rescale_q(pkt->duration, tb, av_make_q(1, 100));
-        sub->end_display_time = FFMAX(sub->end_display_time, 10 * ts_duration);
-
-        /* construct ASS (standalone file form with timestamps) string */
-        av_bprintf(&buf, "Dialogue: %ld,", layer);
-        insert_ts(&buf, ts_start);
-        insert_ts(&buf, ts_duration == -1 ? -1 : ts_start + ts_duration);
-        av_bprintf(&buf, "%s\r\n", dialog);
-
-        final_dialog = av_strdup(buf.str);
-        if (!av_bprint_is_complete(&buf) || !final_dialog) {
-            av_freep(&final_dialog);
-            av_bprint_finalize(&buf, NULL);
-            return AVERROR(ENOMEM);
-        }
-        av_freep(&rect->ass);
-        rect->ass = final_dialog;
-    }
-
-    av_bprint_finalize(&buf, NULL);
-    return 0;
-}
-#endif
-
-int avcodec_decode_subtitle2(AVCodecContext *avctx, AVSubtitle *sub,
-                             int *got_sub_ptr,
-                             AVPacket *avpkt)
-{
-    int i, ret = 0;
-
-    if (!avpkt->data && avpkt->size) {
-        av_log(avctx, AV_LOG_ERROR, "invalid packet: NULL data, size != 0\n");
-        return AVERROR(EINVAL);
-    }
-    if (!avctx->codec)
-        return AVERROR(EINVAL);
-    if (avctx->codec->type != AVMEDIA_TYPE_SUBTITLE) {
-        av_log(avctx, AV_LOG_ERROR, "Invalid media type for subtitles\n");
-        return AVERROR(EINVAL);
-    }
-
-    *got_sub_ptr = 0;
-    get_subtitle_defaults(sub);
-
-    if ((avctx->codec->capabilities & AV_CODEC_CAP_DELAY) || avpkt->size) {
-        AVPacket pkt_recoded;
-        AVPacket tmp = *avpkt;
-        int did_split = av_packet_split_side_data(&tmp);
-        //apply_param_change(avctx, &tmp);
-
-        if (did_split) {
-            /* FFMIN() prevents overflow in case the packet wasn't allocated with
-             * proper padding.
-             * If the side data is smaller than the buffer padding size, the
-             * remaining bytes should have already been filled with zeros by the
-             * original packet allocation anyway. */
-            memset(tmp.data + tmp.size, 0,
-                   FFMIN(avpkt->size - tmp.size, AV_INPUT_BUFFER_PADDING_SIZE));
-        }
-
-        pkt_recoded = tmp;
-        ret = recode_subtitle(avctx, &pkt_recoded, &tmp);
-        if (ret < 0) {
-            *got_sub_ptr = 0;
-        } else {
-            avctx->internal->pkt = &pkt_recoded;
-
-            if (avctx->pkt_timebase.num && avpkt->pts != AV_NOPTS_VALUE)
-                sub->pts = av_rescale_q(avpkt->pts,
-                                        avctx->pkt_timebase, AV_TIME_BASE_Q);
-            ret = avctx->codec->decode(avctx, sub, got_sub_ptr, &pkt_recoded);
-            av_assert1((ret >= 0) >= !!*got_sub_ptr &&
-                       !!*got_sub_ptr >= !!sub->num_rects);
-
-#if FF_API_ASS_TIMING
-            if (avctx->sub_text_format == FF_SUB_TEXT_FMT_ASS_WITH_TIMINGS
-                && *got_sub_ptr && sub->num_rects) {
-                const AVRational tb = avctx->pkt_timebase.num ? avctx->pkt_timebase
-                                                              : avctx->time_base;
-                int err = convert_sub_to_old_ass_form(sub, avpkt, tb);
-                if (err < 0)
-                    ret = err;
-            }
-#endif
-
-            if (sub->num_rects && !sub->end_display_time && avpkt->duration &&
-                avctx->pkt_timebase.num) {
-                AVRational ms = { 1, 1000 };
-                sub->end_display_time = av_rescale_q(avpkt->duration,
-                                                     avctx->pkt_timebase, ms);
-            }
-
-            for (i = 0; i < sub->num_rects; i++) {
-                if (sub->rects[i]->ass && !utf8_check(sub->rects[i]->ass)) {
-                    av_log(avctx, AV_LOG_ERROR,
-                           "Invalid UTF-8 in decoded subtitles text; "
-                           "maybe missing -sub_charenc option\n");
-                    avsubtitle_free(sub);
-                    return AVERROR_INVALIDDATA;
-                }
-            }
-
-            if (tmp.data != pkt_recoded.data) { // did we recode?
-                /* prevent from destroying side data from original packet */
-                pkt_recoded.side_data = NULL;
-                pkt_recoded.side_data_elems = 0;
-
-                av_packet_unref(&pkt_recoded);
-            }
-            if (avctx->codec_descriptor->props & AV_CODEC_PROP_BITMAP_SUB)
-                sub->format = 0;
-            else if (avctx->codec_descriptor->props & AV_CODEC_PROP_TEXT_SUB)
-                sub->format = 1;
-            avctx->internal->pkt = NULL;
-        }
-
-        if (did_split) {
-            av_packet_free_side_data(&tmp);
-            if(ret == tmp.size)
-                ret = avpkt->size;
-        }
-
-        if (*got_sub_ptr)
-            avctx->frame_number++;
-    }
-
-    return ret;
-}
-
 void avsubtitle_free(AVSubtitle *sub)
 {
     int i;
@@ -2761,263 +1157,7 @@ void avsubtitle_free(AVSubtitle *sub)
 
     av_freep(&sub->rects);
 
-    memset(sub, 0, sizeof(AVSubtitle));
-}
-
-static int do_decode(AVCodecContext *avctx, AVPacket *pkt)
-{
-    int got_frame;
-    int ret;
-
-    av_assert0(!avctx->internal->buffer_frame->buf[0]);
-
-    if (!pkt)
-        pkt = avctx->internal->buffer_pkt;
-
-    // This is the lesser evil. The field is for compatibility with legacy users
-    // of the legacy API, and users using the new API should not be forced to
-    // even know about this field.
-    avctx->refcounted_frames = 1;
-
-    // Some codecs (at least wma lossless) will crash when feeding drain packets
-    // after EOF was signaled.
-    if (avctx->internal->draining_done)
-        return AVERROR_EOF;
-
-    if (avctx->codec_type == AVMEDIA_TYPE_VIDEO) {
-        ret = avcodec_decode_video2(avctx, avctx->internal->buffer_frame,
-                                    &got_frame, pkt);
-        if (ret >= 0)
-            ret = pkt->size;
-    } else if (avctx->codec_type == AVMEDIA_TYPE_AUDIO) {
-        ret = avcodec_decode_audio4(avctx, avctx->internal->buffer_frame,
-                                    &got_frame, pkt);
-    } else {
-        ret = AVERROR(EINVAL);
-    }
-
-    if (ret == AVERROR(EAGAIN))
-        ret = pkt->size;
-
-    if (ret < 0)
-        return ret;
-
-    if (avctx->internal->draining && !got_frame)
-        avctx->internal->draining_done = 1;
-
-    if (ret >= pkt->size) {
-        av_packet_unref(avctx->internal->buffer_pkt);
-    } else {
-        int consumed = ret;
-
-        if (pkt != avctx->internal->buffer_pkt) {
-            av_packet_unref(avctx->internal->buffer_pkt);
-            if ((ret = av_packet_ref(avctx->internal->buffer_pkt, pkt)) < 0)
-                return ret;
-        }
-
-        avctx->internal->buffer_pkt->data += consumed;
-        avctx->internal->buffer_pkt->size -= consumed;
-        avctx->internal->buffer_pkt->pts   = AV_NOPTS_VALUE;
-        avctx->internal->buffer_pkt->dts   = AV_NOPTS_VALUE;
-    }
-
-    if (got_frame)
-        av_assert0(avctx->internal->buffer_frame->buf[0]);
-
-    return 0;
-}
-
-int attribute_align_arg avcodec_send_packet(AVCodecContext *avctx, const AVPacket *avpkt)
-{
-    int ret;
-
-    if (!avcodec_is_open(avctx) || !av_codec_is_decoder(avctx->codec))
-        return AVERROR(EINVAL);
-
-    if (avctx->internal->draining)
-        return AVERROR_EOF;
-
-    if (avpkt && !avpkt->size && avpkt->data)
-        return AVERROR(EINVAL);
-
-    if (!avpkt || !avpkt->size) {
-        avctx->internal->draining = 1;
-        avpkt = NULL;
-
-        if (!(avctx->codec->capabilities & AV_CODEC_CAP_DELAY))
-            return 0;
-    }
-
-    if (avctx->codec->send_packet) {
-        if (avpkt) {
-            AVPacket tmp = *avpkt;
-            int did_split = av_packet_split_side_data(&tmp);
-            ret = apply_param_change(avctx, &tmp);
-            if (ret >= 0)
-                ret = avctx->codec->send_packet(avctx, &tmp);
-            if (did_split)
-                av_packet_free_side_data(&tmp);
-            return ret;
-        } else {
-            return avctx->codec->send_packet(avctx, NULL);
-        }
-    }
-
-    // Emulation via old API. Assume avpkt is likely not refcounted, while
-    // decoder output is always refcounted, and avoid copying.
-
-    if (avctx->internal->buffer_pkt->size || avctx->internal->buffer_frame->buf[0])
-        return AVERROR(EAGAIN);
-
-    // The goal is decoding the first frame of the packet without using memcpy,
-    // because the common case is having only 1 frame per packet (especially
-    // with video, but audio too). In other cases, it can't be avoided, unless
-    // the user is feeding refcounted packets.
-    return do_decode(avctx, (AVPacket *)avpkt);
-}
-
-int attribute_align_arg avcodec_receive_frame(AVCodecContext *avctx, AVFrame *frame)
-{
-    int ret;
-
-    av_frame_unref(frame);
-
-    if (!avcodec_is_open(avctx) || !av_codec_is_decoder(avctx->codec))
-        return AVERROR(EINVAL);
-
-    if (avctx->codec->receive_frame) {
-        if (avctx->internal->draining && !(avctx->codec->capabilities & AV_CODEC_CAP_DELAY))
-            return AVERROR_EOF;
-        ret = avctx->codec->receive_frame(avctx, frame);
-        if (ret >= 0) {
-            if (av_frame_get_best_effort_timestamp(frame) == AV_NOPTS_VALUE) {
-                av_frame_set_best_effort_timestamp(frame,
-                    guess_correct_pts(avctx, frame->pts, frame->pkt_dts));
-            }
-        }
-        return ret;
-    }
-
-    // Emulation via old API.
-
-    if (!avctx->internal->buffer_frame->buf[0]) {
-        if (!avctx->internal->buffer_pkt->size && !avctx->internal->draining)
-            return AVERROR(EAGAIN);
-
-        while (1) {
-            if ((ret = do_decode(avctx, avctx->internal->buffer_pkt)) < 0) {
-                av_packet_unref(avctx->internal->buffer_pkt);
-                return ret;
-            }
-            // Some audio decoders may consume partial data without returning
-            // a frame (fate-wmapro-2ch). There is no way to make the caller
-            // call avcodec_receive_frame() again without returning a frame,
-            // so try to decode more in these cases.
-            if (avctx->internal->buffer_frame->buf[0] ||
-                !avctx->internal->buffer_pkt->size)
-                break;
-        }
-    }
-
-    if (!avctx->internal->buffer_frame->buf[0])
-        return avctx->internal->draining ? AVERROR_EOF : AVERROR(EAGAIN);
-
-    av_frame_move_ref(frame, avctx->internal->buffer_frame);
-    return 0;
-}
-
-static int do_encode(AVCodecContext *avctx, const AVFrame *frame, int *got_packet)
-{
-    int ret;
-    *got_packet = 0;
-
-    av_packet_unref(avctx->internal->buffer_pkt);
-    avctx->internal->buffer_pkt_valid = 0;
-
-    if (avctx->codec_type == AVMEDIA_TYPE_VIDEO) {
-        ret = avcodec_encode_video2(avctx, avctx->internal->buffer_pkt,
-                                    frame, got_packet);
-    } else if (avctx->codec_type == AVMEDIA_TYPE_AUDIO) {
-        ret = avcodec_encode_audio2(avctx, avctx->internal->buffer_pkt,
-                                    frame, got_packet);
-    } else {
-        ret = AVERROR(EINVAL);
-    }
-
-    if (ret >= 0 && *got_packet) {
-        // Encoders must always return ref-counted buffers.
-        // Side-data only packets have no data and can be not ref-counted.
-        av_assert0(!avctx->internal->buffer_pkt->data || avctx->internal->buffer_pkt->buf);
-        avctx->internal->buffer_pkt_valid = 1;
-        ret = 0;
-    } else {
-        av_packet_unref(avctx->internal->buffer_pkt);
-    }
-
-    return ret;
-}
-
-int attribute_align_arg avcodec_send_frame(AVCodecContext *avctx, const AVFrame *frame)
-{
-    if (!avcodec_is_open(avctx) || !av_codec_is_encoder(avctx->codec))
-        return AVERROR(EINVAL);
-
-    if (avctx->internal->draining)
-        return AVERROR_EOF;
-
-    if (!frame) {
-        avctx->internal->draining = 1;
-
-        if (!(avctx->codec->capabilities & AV_CODEC_CAP_DELAY))
-            return 0;
-    }
-
-    if (avctx->codec->send_frame)
-        return avctx->codec->send_frame(avctx, frame);
-
-    // Emulation via old API. Do it here instead of avcodec_receive_packet, because:
-    // 1. if the AVFrame is not refcounted, the copying will be much more
-    //    expensive than copying the packet data
-    // 2. assume few users use non-refcounted AVPackets, so usually no copy is
-    //    needed
-
-    if (avctx->internal->buffer_pkt_valid)
-        return AVERROR(EAGAIN);
-
-    return do_encode(avctx, frame, &(int){0});
-}
-
-int attribute_align_arg avcodec_receive_packet(AVCodecContext *avctx, AVPacket *avpkt)
-{
-    av_packet_unref(avpkt);
-
-    if (!avcodec_is_open(avctx) || !av_codec_is_encoder(avctx->codec))
-        return AVERROR(EINVAL);
-
-    if (avctx->codec->receive_packet) {
-        if (avctx->internal->draining && !(avctx->codec->capabilities & AV_CODEC_CAP_DELAY))
-            return AVERROR_EOF;
-        return avctx->codec->receive_packet(avctx, avpkt);
-    }
-
-    // Emulation via old API.
-
-    if (!avctx->internal->buffer_pkt_valid) {
-        int got_packet;
-        int ret;
-        if (!avctx->internal->draining)
-            return AVERROR(EAGAIN);
-        ret = do_encode(avctx, NULL, &got_packet);
-        if (ret < 0)
-            return ret;
-        if (ret >= 0 && !got_packet)
-            return AVERROR_EOF;
-    }
-
-    av_packet_move_ref(avpkt, avctx->internal->buffer_pkt);
-    avctx->internal->buffer_pkt_valid = 0;
-    return 0;
+    memset(sub, 0, sizeof(*sub));
 }
 
 av_cold int avcodec_close(AVCodecContext *avctx)
@@ -3040,8 +1180,13 @@ av_cold int avcodec_close(AVCodecContext *avctx)
         avctx->internal->byte_buffer_size = 0;
         av_freep(&avctx->internal->byte_buffer);
         av_frame_free(&avctx->internal->to_free);
+        av_frame_free(&avctx->internal->compat_decode_frame);
         av_frame_free(&avctx->internal->buffer_frame);
         av_packet_free(&avctx->internal->buffer_pkt);
+        av_packet_free(&avctx->internal->last_pkt_props);
+
+        av_packet_free(&avctx->internal->ds.in_pkt);
+
         for (i = 0; i < FF_ARRAY_ELEMS(pool->pools); i++)
             av_buffer_pool_uninit(&pool->pools[i]);
         av_freep(&avctx->internal->pool);
@@ -3050,6 +1195,8 @@ av_cold int avcodec_close(AVCodecContext *avctx)
             avctx->hwaccel->uninit(avctx);
         av_freep(&avctx->internal->hwaccel_priv_data);
 
+        ff_decode_bsfs_uninit(avctx);
+
         av_freep(&avctx->internal);
     }
 
@@ -3059,6 +1206,7 @@ av_cold int avcodec_close(AVCodecContext *avctx)
     avctx->nb_coded_side_data = 0;
 
     av_buffer_unref(&avctx->hw_frames_ctx);
+    av_buffer_unref(&avctx->hw_device_ctx);
 
     if (avctx->priv_data && avctx->codec && avctx->codec->priv_class)
         av_opt_free(avctx->priv_data);
@@ -3215,12 +1363,9 @@ void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode)
                  ", %d reference frame%s",
                  enc->refs, enc->refs > 1 ? "s" : "");
 
-    if (enc->codec_tag) {
-        char tag_buf[32];
-        av_get_codec_tag_string(tag_buf, sizeof(tag_buf), enc->codec_tag);
-        snprintf(buf + strlen(buf), buf_size - strlen(buf),
-                 " (%s / 0x%04X)", tag_buf, enc->codec_tag);
-    }
+    if (enc->codec_tag)
+        snprintf(buf + strlen(buf), buf_size - strlen(buf), " (%s / 0x%04X)",
+                 av_fourcc2str(enc->codec_tag), enc->codec_tag);
 
     switch (enc->codec_type) {
     case AVMEDIA_TYPE_VIDEO:
@@ -3377,7 +1522,7 @@ void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode)
                  ", %"PRId64" kb/s", bitrate / 1000);
     } else if (enc->rc_max_rate > 0) {
         snprintf(buf + strlen(buf), buf_size - strlen(buf),
-                 ", max. %"PRId64" kb/s", (int64_t)enc->rc_max_rate / 1000);
+                 ", max. %"PRId64" kb/s", enc->rc_max_rate / 1000);
     }
 }
 
@@ -3432,26 +1577,6 @@ const char *avcodec_license(void)
     return LICENSE_PREFIX FFMPEG_LICENSE + sizeof(LICENSE_PREFIX) - 1;
 }
 
-void avcodec_flush_buffers(AVCodecContext *avctx)
-{
-    avctx->internal->draining      = 0;
-    avctx->internal->draining_done = 0;
-    av_frame_unref(avctx->internal->buffer_frame);
-    av_packet_unref(avctx->internal->buffer_pkt);
-    avctx->internal->buffer_pkt_valid = 0;
-
-    if (HAVE_THREADS && avctx->active_thread_type & FF_THREAD_FRAME)
-        ff_thread_flush(avctx);
-    else if (avctx->codec->flush)
-        avctx->codec->flush(avctx);
-
-    avctx->pts_correction_last_pts =
-    avctx->pts_correction_last_dts = INT64_MIN;
-
-    if (!avctx->refcounted_frames)
-        av_frame_unref(avctx->internal->to_free);
-}
-
 int av_get_exact_bits_per_sample(enum AVCodecID codec_id)
 {
     switch (codec_id) {
@@ -3499,6 +1624,8 @@ int av_get_exact_bits_per_sample(enum AVCodecID codec_id)
     case AV_CODEC_ID_PCM_U32LE:
     case AV_CODEC_ID_PCM_F32BE:
     case AV_CODEC_ID_PCM_F32LE:
+    case AV_CODEC_ID_PCM_F24LE:
+    case AV_CODEC_ID_PCM_F16LE:
         return 32;
     case AV_CODEC_ID_PCM_F64BE:
     case AV_CODEC_ID_PCM_F64LE:
@@ -3595,6 +1722,9 @@ static int get_audio_frame_duration(enum AVCodecID id, int sr, int ch, int ba,
             if (id == AV_CODEC_ID_BINKAUDIO_DCT)
                 return (480 << (sr / 22050)) / ch;
         }
+
+        if (id == AV_CODEC_ID_MP3)
+            return sr <= 24000 ? 576 : 1152;
     }
 
     if (ba > 0) {
@@ -3627,7 +1757,7 @@ static int get_audio_frame_duration(enum AVCodecID id, int sr, int ch, int ba,
 
         if (bps > 0) {
             /* calc from frame_bytes and bits_per_coded_sample */
-            if (id == AV_CODEC_ID_ADPCM_G726)
+            if (id == AV_CODEC_ID_ADPCM_G726 || id == AV_CODEC_ID_ADPCM_G726LE)
                 return frame_bytes * 8 / bps;
         }
 
@@ -3931,7 +2061,8 @@ int ff_thread_ref_frame(ThreadFrame *dst, ThreadFrame *src)
 {
     int ret;
 
-    dst->owner = src->owner;
+    dst->owner[0] = src->owner[0];
+    dst->owner[1] = src->owner[1];
 
     ret = av_frame_ref(dst->f, src->f);
     if (ret < 0)
@@ -3941,7 +2072,7 @@ int ff_thread_ref_frame(ThreadFrame *dst, ThreadFrame *src)
 
     if (src->progress &&
         !(dst->progress = av_buffer_ref(src->progress))) {
-        ff_thread_release_buffer(dst->owner, dst);
+        ff_thread_release_buffer(dst->owner[0], dst);
         return AVERROR(ENOMEM);
     }
 
@@ -3957,7 +2088,7 @@ enum AVPixelFormat ff_thread_get_format(AVCodecContext *avctx, const enum AVPixe
 
 int ff_thread_get_buffer(AVCodecContext *avctx, ThreadFrame *f, int flags)
 {
-    f->owner = avctx;
+    f->owner[0] = f->owner[1] = avctx;
     return ff_get_buffer(avctx, f->f, flags);
 }
 
@@ -4319,3 +2450,24 @@ int ff_alloc_a53_sei(const AVFrame *frame, size_t prefix_len,
 
     return 0;
 }
+
+int64_t ff_guess_coded_bitrate(AVCodecContext *avctx)
+{
+    AVRational framerate = avctx->framerate;
+    int bits_per_coded_sample = avctx->bits_per_coded_sample;
+    int64_t bitrate;
+
+    if (!(framerate.num && framerate.den))
+        framerate = av_inv_q(avctx->time_base);
+    if (!(framerate.num && framerate.den))
+        return 0;
+
+    if (!bits_per_coded_sample) {
+        const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(avctx->pix_fmt);
+        bits_per_coded_sample = av_get_bits_per_pixel(desc);
+    }
+    bitrate = (int64_t)bits_per_coded_sample * avctx->width * avctx->height *
+              framerate.num / framerate.den;
+
+    return bitrate;
+}
diff --git a/media/ffvpx/libavcodec/version.h b/media/ffvpx/libavcodec/version.h
index ec8837a4e..10d9ac4eb 100644
--- a/media/ffvpx/libavcodec/version.h
+++ b/media/ffvpx/libavcodec/version.h
@@ -28,8 +28,8 @@
 #include "libavutil/version.h"
 
 #define LIBAVCODEC_VERSION_MAJOR  57
-#define LIBAVCODEC_VERSION_MINOR  64
-#define LIBAVCODEC_VERSION_MICRO 101
+#define LIBAVCODEC_VERSION_MINOR 107
+#define LIBAVCODEC_VERSION_MICRO 100
 
 #define LIBAVCODEC_VERSION_INT  AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
                                                LIBAVCODEC_VERSION_MINOR, \
@@ -60,9 +60,6 @@
 #ifndef FF_API_AVCODEC_RESAMPLE
 #define FF_API_AVCODEC_RESAMPLE  FF_API_AUDIO_CONVERT
 #endif
-#ifndef FF_API_GETCHROMA
-#define FF_API_GETCHROMA         (LIBAVCODEC_VERSION_MAJOR < 58)
-#endif
 #ifndef FF_API_MISSING_SAMPLE
 #define FF_API_MISSING_SAMPLE    (LIBAVCODEC_VERSION_MAJOR < 58)
 #endif
@@ -157,6 +154,9 @@
 #ifndef FF_API_VAAPI_CONTEXT
 #define FF_API_VAAPI_CONTEXT     (LIBAVCODEC_VERSION_MAJOR < 58)
 #endif
+#ifndef FF_API_MERGE_SD
+#define FF_API_MERGE_SD          (LIBAVCODEC_VERSION_MAJOR < 58)
+#endif
 #ifndef FF_API_AVCTX_TIMEBASE
 #define FF_API_AVCTX_TIMEBASE    (LIBAVCODEC_VERSION_MAJOR < 59)
 #endif
@@ -226,5 +226,18 @@
 #ifndef FF_API_NVENC_OLD_NAME
 #define FF_API_NVENC_OLD_NAME    (LIBAVCODEC_VERSION_MAJOR < 59)
 #endif
+#ifndef FF_API_STRUCT_VAAPI_CONTEXT
+#define FF_API_STRUCT_VAAPI_CONTEXT (LIBAVCODEC_VERSION_MAJOR < 59)
+#endif
+#ifndef FF_API_MERGE_SD_API
+#define FF_API_MERGE_SD_API      (LIBAVCODEC_VERSION_MAJOR < 59)
+#endif
+#ifndef FF_API_TAG_STRING
+#define FF_API_TAG_STRING        (LIBAVCODEC_VERSION_MAJOR < 59)
+#endif
+#ifndef FF_API_GETCHROMA
+#define FF_API_GETCHROMA         (LIBAVCODEC_VERSION_MAJOR < 59)
+#endif
+
 
 #endif /* AVCODEC_VERSION_H */
diff --git a/media/ffvpx/libavcodec/videodsp.c b/media/ffvpx/libavcodec/videodsp.c
index ba618a7bb..ce9e9eb14 100644
--- a/media/ffvpx/libavcodec/videodsp.c
+++ b/media/ffvpx/libavcodec/videodsp.c
@@ -52,4 +52,6 @@ av_cold void ff_videodsp_init(VideoDSPContext *ctx, int bpc)
         ff_videodsp_init_ppc(ctx, bpc);
     if (ARCH_X86)
         ff_videodsp_init_x86(ctx, bpc);
+    if (ARCH_MIPS)
+        ff_videodsp_init_mips(ctx, bpc);
 }
diff --git a/media/ffvpx/libavcodec/videodsp.h b/media/ffvpx/libavcodec/videodsp.h
index fc01a31dc..c0545f22b 100644
--- a/media/ffvpx/libavcodec/videodsp.h
+++ b/media/ffvpx/libavcodec/videodsp.h
@@ -83,5 +83,6 @@ void ff_videodsp_init_aarch64(VideoDSPContext *ctx, int bpc);
 void ff_videodsp_init_arm(VideoDSPContext *ctx, int bpc);
 void ff_videodsp_init_ppc(VideoDSPContext *ctx, int bpc);
 void ff_videodsp_init_x86(VideoDSPContext *ctx, int bpc);
+void ff_videodsp_init_mips(VideoDSPContext *ctx, int bpc);
 
 #endif /* AVCODEC_VIDEODSP_H */
diff --git a/media/ffvpx/libavcodec/vlc.h b/media/ffvpx/libavcodec/vlc.h
index 9e38f8c6b..42ccddf3f 100644
--- a/media/ffvpx/libavcodec/vlc.h
+++ b/media/ffvpx/libavcodec/vlc.h
@@ -54,12 +54,28 @@ void ff_free_vlc(VLC *vlc);
 #define INIT_VLC_LE             2
 #define INIT_VLC_USE_NEW_STATIC 4
 
-#define INIT_VLC_STATIC(vlc, bits, a, b, c, d, e, f, g, static_size)       \
+#define INIT_VLC_SPARSE_STATIC(vlc, bits, a, b, c, d, e, f, g, h, i, j, static_size) \
+    do {                                                                   \
+        static VLC_TYPE table[static_size][2];                             \
+        (vlc)->table           = table;                                    \
+        (vlc)->table_allocated = static_size;                              \
+        ff_init_vlc_sparse(vlc, bits, a, b, c, d, e, f, g, h, i, j,        \
+            INIT_VLC_USE_NEW_STATIC);                                      \
+    } while (0)
+
+#define INIT_LE_VLC_SPARSE_STATIC(vlc, bits, a, b, c, d, e, f, g, h, i, j, static_size) \
     do {                                                                   \
         static VLC_TYPE table[static_size][2];                             \
         (vlc)->table           = table;                                    \
         (vlc)->table_allocated = static_size;                              \
-        init_vlc(vlc, bits, a, b, c, d, e, f, g, INIT_VLC_USE_NEW_STATIC); \
+        ff_init_vlc_sparse(vlc, bits, a, b, c, d, e, f, g, h, i, j,        \
+            INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);                        \
     } while (0)
 
+#define INIT_VLC_STATIC(vlc, bits, a, b, c, d, e, f, g, static_size)       \
+    INIT_VLC_SPARSE_STATIC(vlc, bits, a, b, c, d, e, f, g, NULL, 0, 0, static_size)
+
+#define INIT_LE_VLC_STATIC(vlc, bits, a, b, c, d, e, f, g, static_size) \
+    INIT_LE_VLC_SPARSE_STATIC(vlc, bits, a, b, c, d, e, f, g, NULL, 0, 0, static_size)
+
 #endif /* AVCODEC_VLC_H */
diff --git a/media/ffvpx/libavcodec/vorbis_parser.h b/media/ffvpx/libavcodec/vorbis_parser.h
index 92050277e..789932ac4 100644
--- a/media/ffvpx/libavcodec/vorbis_parser.h
+++ b/media/ffvpx/libavcodec/vorbis_parser.h
@@ -32,9 +32,6 @@ typedef struct AVVorbisParseContext AVVorbisParseContext;
 
 /**
  * Allocate and initialize the Vorbis parser using headers in the extradata.
- *
- * @param avctx codec context
- * @param s     Vorbis parser context
  */
 AVVorbisParseContext *av_vorbis_parse_init(const uint8_t *extradata,
                                            int extradata_size);
diff --git a/media/ffvpx/libavcodec/vp3dsp.h b/media/ffvpx/libavcodec/vp3dsp.h
index b95adae79..2fdad162c 100644
--- a/media/ffvpx/libavcodec/vp3dsp.h
+++ b/media/ffvpx/libavcodec/vp3dsp.h
@@ -38,11 +38,11 @@ typedef struct VP3DSPContext {
                                  const uint8_t *b,
                                  ptrdiff_t stride, int h);
 
-    void (*idct_put)(uint8_t *dest, int line_size, int16_t *block);
-    void (*idct_add)(uint8_t *dest, int line_size, int16_t *block);
-    void (*idct_dc_add)(uint8_t *dest, int line_size, int16_t *block);
-    void (*v_loop_filter)(uint8_t *src, int stride, int *bounding_values);
-    void (*h_loop_filter)(uint8_t *src, int stride, int *bounding_values);
+    void (*idct_put)(uint8_t *dest, ptrdiff_t stride, int16_t *block);
+    void (*idct_add)(uint8_t *dest, ptrdiff_t stride, int16_t *block);
+    void (*idct_dc_add)(uint8_t *dest, ptrdiff_t stride, int16_t *block);
+    void (*v_loop_filter)(uint8_t *src, ptrdiff_t stride, int *bounding_values);
+    void (*h_loop_filter)(uint8_t *src, ptrdiff_t stride, int *bounding_values);
 } VP3DSPContext;
 
 void ff_vp3dsp_init(VP3DSPContext *c, int flags);
diff --git a/media/ffvpx/libavcodec/vp56.h b/media/ffvpx/libavcodec/vp56.h
index 56c30919b..b8dda9e73 100644
--- a/media/ffvpx/libavcodec/vp56.h
+++ b/media/ffvpx/libavcodec/vp56.h
@@ -26,6 +26,7 @@
 #ifndef AVCODEC_VP56_H
 #define AVCODEC_VP56_H
 
+#include "avcodec.h"
 #include "get_bits.h"
 #include "hpeldsp.h"
 #include "bytestream.h"
@@ -72,9 +73,9 @@ typedef struct VP56mv {
 typedef void (*VP56ParseVectorAdjustment)(VP56Context *s,
                                           VP56mv *vect);
 typedef void (*VP56Filter)(VP56Context *s, uint8_t *dst, uint8_t *src,
-                           int offset1, int offset2, int stride,
+                           int offset1, int offset2, ptrdiff_t stride,
                            VP56mv mv, int mask, int select, int luma);
-typedef void (*VP56ParseCoeff)(VP56Context *s);
+typedef int  (*VP56ParseCoeff)(VP56Context *s);
 typedef void (*VP56DefaultModelsInit)(VP56Context *s);
 typedef void (*VP56ParseVectorModels)(VP56Context *s);
 typedef int  (*VP56ParseCoeffModels)(VP56Context *s);
@@ -179,7 +180,7 @@ struct vp56_context {
     int flip;  /* are we flipping ? */
     int frbi;  /* first row block index in MB */
     int srbi;  /* second row block index in MB */
-    int stride[4];  /* stride for each plan */
+    ptrdiff_t stride[4];  /* stride for each plan */
 
     const uint8_t *vp56_coord_div;
     VP56ParseVectorAdjustment parse_vector_adjustment;
@@ -203,6 +204,9 @@ struct vp56_context {
     VLC runv_vlc[2];
     VLC ract_vlc[2][3][6];
     unsigned int nb_null[2][2];       /* number of consecutive NULL DC/AC */
+
+    int have_undamaged_frame;
+    int discard_frame;
 };
 
 
@@ -221,7 +225,7 @@ int ff_vp56_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
  */
 
 extern const uint8_t ff_vp56_norm_shift[256];
-void ff_vp56_init_range_decoder(VP56RangeCoder *c, const uint8_t *buf, int buf_size);
+int ff_vp56_init_range_decoder(VP56RangeCoder *c, const uint8_t *buf, int buf_size);
 
 static av_always_inline unsigned int vp56_rac_renorm(VP56RangeCoder *c)
 {
diff --git a/media/ffvpx/libavcodec/vp56dsp.h b/media/ffvpx/libavcodec/vp56dsp.h
index 7807baa4b..e35e232ea 100644
--- a/media/ffvpx/libavcodec/vp56dsp.h
+++ b/media/ffvpx/libavcodec/vp56dsp.h
@@ -21,22 +21,24 @@
 #ifndef AVCODEC_VP56DSP_H
 #define AVCODEC_VP56DSP_H
 
+#include <stddef.h>
 #include <stdint.h>
-#include "avcodec.h"
 
 typedef struct VP56DSPContext {
-    void (*edge_filter_hor)(uint8_t *yuv, int stride, int t);
-    void (*edge_filter_ver)(uint8_t *yuv, int stride, int t);
+    void (*edge_filter_hor)(uint8_t *yuv, ptrdiff_t stride, int t);
+    void (*edge_filter_ver)(uint8_t *yuv, ptrdiff_t stride, int t);
 
-    void (*vp6_filter_diag4)(uint8_t *dst, uint8_t *src, int stride,
+    void (*vp6_filter_diag4)(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
                              const int16_t *h_weights,const int16_t *v_weights);
 } VP56DSPContext;
 
-void ff_vp6_filter_diag4_c(uint8_t *dst, uint8_t *src, int stride,
+void ff_vp6_filter_diag4_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
                            const int16_t *h_weights, const int16_t *v_weights);
 
-void ff_vp56dsp_init(VP56DSPContext *s, enum AVCodecID codec);
-void ff_vp6dsp_init_arm(VP56DSPContext *s, enum AVCodecID codec);
-void ff_vp6dsp_init_x86(VP56DSPContext* c, enum AVCodecID codec);
+void ff_vp5dsp_init(VP56DSPContext *s);
+void ff_vp6dsp_init(VP56DSPContext *s);
+
+void ff_vp6dsp_init_arm(VP56DSPContext *s);
+void ff_vp6dsp_init_x86(VP56DSPContext *s);
 
 #endif /* AVCODEC_VP56DSP_H */
diff --git a/media/ffvpx/libavcodec/vp56rac.c b/media/ffvpx/libavcodec/vp56rac.c
index 6061b7ee7..e70302bf8 100644
--- a/media/ffvpx/libavcodec/vp56rac.c
+++ b/media/ffvpx/libavcodec/vp56rac.c
@@ -37,11 +37,14 @@ const uint8_t ff_vp56_norm_shift[256]= {
  0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
 };
 
-void ff_vp56_init_range_decoder(VP56RangeCoder *c, const uint8_t *buf, int buf_size)
+int ff_vp56_init_range_decoder(VP56RangeCoder *c, const uint8_t *buf, int buf_size)
 {
     c->high = 255;
     c->bits = -16;
     c->buffer = buf;
     c->end = buf + buf_size;
+    if (buf_size < 1)
+        return AVERROR_INVALIDDATA;
     c->code_word = bytestream_get_be24(&c->buffer);
+    return 0;
 }
diff --git a/media/ffvpx/libavcodec/vp8.c b/media/ffvpx/libavcodec/vp8.c
index c1c3eb707..7841a9d96 100644
--- a/media/ffvpx/libavcodec/vp8.c
+++ b/media/ffvpx/libavcodec/vp8.c
@@ -261,6 +261,7 @@ static int setup_partitions(VP8Context *s, const uint8_t *buf, int buf_size)
 {
     const uint8_t *sizes = buf;
     int i;
+    int ret;
 
     s->num_coeff_partitions = 1 << vp8_rac_get_uint(&s->c, 2);
 
@@ -274,13 +275,13 @@ static int setup_partitions(VP8Context *s, const uint8_t *buf, int buf_size)
         if (buf_size - size < 0)
             return -1;
 
-        ff_vp56_init_range_decoder(&s->coeff_partition[i], buf, size);
+        ret = ff_vp56_init_range_decoder(&s->coeff_partition[i], buf, size);
+        if (ret < 0)
+            return ret;
         buf      += size;
         buf_size -= size;
     }
-    ff_vp56_init_range_decoder(&s->coeff_partition[i], buf, buf_size);
-
-    return 0;
+    return ff_vp56_init_range_decoder(&s->coeff_partition[i], buf, buf_size);
 }
 
 static void vp7_get_quants(VP8Context *s)
@@ -434,8 +435,8 @@ static void copy_chroma(AVFrame *dst, AVFrame *src, int width, int height)
     }
 }
 
-static void fade(uint8_t *dst, int dst_linesize,
-                 const uint8_t *src, int src_linesize,
+static void fade(uint8_t *dst, ptrdiff_t dst_linesize,
+                 const uint8_t *src, ptrdiff_t src_linesize,
                  int width, int height,
                  int alpha, int beta)
 {
@@ -518,7 +519,9 @@ static int vp7_decode_frame_header(VP8Context *s, const uint8_t *buf, int buf_si
 
     memcpy(s->put_pixels_tab, s->vp8dsp.put_vp8_epel_pixels_tab, sizeof(s->put_pixels_tab));
 
-    ff_vp56_init_range_decoder(c, buf, part1_size);
+    ret = ff_vp56_init_range_decoder(c, buf, part1_size);
+    if (ret < 0)
+        return ret;
     buf      += part1_size;
     buf_size -= part1_size;
 
@@ -570,7 +573,9 @@ static int vp7_decode_frame_header(VP8Context *s, const uint8_t *buf, int buf_si
     s->lf_delta.enabled        = 0;
 
     s->num_coeff_partitions = 1;
-    ff_vp56_init_range_decoder(&s->coeff_partition[0], buf, buf_size);
+    ret = ff_vp56_init_range_decoder(&s->coeff_partition[0], buf, buf_size);
+    if (ret < 0)
+        return ret;
 
     if (!s->macroblocks_base || /* first frame */
         width != s->avctx->width || height != s->avctx->height ||
@@ -699,7 +704,9 @@ static int vp8_decode_frame_header(VP8Context *s, const uint8_t *buf, int buf_si
         memset(&s->lf_delta, 0, sizeof(s->lf_delta));
     }
 
-    ff_vp56_init_range_decoder(c, buf, header_size);
+    ret = ff_vp56_init_range_decoder(c, buf, header_size);
+    if (ret < 0)
+        return ret;
     buf      += header_size;
     buf_size -= header_size;
 
@@ -765,7 +772,7 @@ static int vp8_decode_frame_header(VP8Context *s, const uint8_t *buf, int buf_si
 }
 
 static av_always_inline
-void clamp_mv(VP8Context *s, VP56mv *dst, const VP56mv *src)
+void clamp_mv(VP8mvbounds *s, VP56mv *dst, const VP56mv *src)
 {
     dst->x = av_clip(src->x, av_clip(s->mv_min.x, INT16_MIN, INT16_MAX),
                              av_clip(s->mv_max.x, INT16_MIN, INT16_MAX));
@@ -1024,7 +1031,7 @@ void vp7_decode_mvs(VP8Context *s, VP8Macroblock *mb,
 }
 
 static av_always_inline
-void vp8_decode_mvs(VP8Context *s, VP8Macroblock *mb,
+void vp8_decode_mvs(VP8Context *s, VP8mvbounds *mv_bounds, VP8Macroblock *mb,
                     int mb_x, int mb_y, int layout)
 {
     VP8Macroblock *mb_edge[3] = { 0      /* top */,
@@ -1095,7 +1102,7 @@ void vp8_decode_mvs(VP8Context *s, VP8Macroblock *mb,
         if (vp56_rac_get_prob_branchy(c, vp8_mode_contexts[cnt[CNT_NEAREST]][1])) {
             if (vp56_rac_get_prob_branchy(c, vp8_mode_contexts[cnt[CNT_NEAR]][2])) {
                 /* Choose the best mv out of 0,0 and the nearest mv */
-                clamp_mv(s, &mb->mv, &near_mv[CNT_ZERO + (cnt[CNT_NEAREST] >= cnt[CNT_ZERO])]);
+                clamp_mv(mv_bounds, &mb->mv, &near_mv[CNT_ZERO + (cnt[CNT_NEAREST] >= cnt[CNT_ZERO])]);
                 cnt[CNT_SPLITMV] = ((mb_edge[VP8_EDGE_LEFT]->mode    == VP8_MVMODE_SPLIT) +
                                     (mb_edge[VP8_EDGE_TOP]->mode     == VP8_MVMODE_SPLIT)) * 2 +
                                     (mb_edge[VP8_EDGE_TOPLEFT]->mode == VP8_MVMODE_SPLIT);
@@ -1109,11 +1116,11 @@ void vp8_decode_mvs(VP8Context *s, VP8Macroblock *mb,
                     mb->bmv[0] = mb->mv;
                 }
             } else {
-                clamp_mv(s, &mb->mv, &near_mv[CNT_NEAR]);
+                clamp_mv(mv_bounds, &mb->mv, &near_mv[CNT_NEAR]);
                 mb->bmv[0] = mb->mv;
             }
         } else {
-            clamp_mv(s, &mb->mv, &near_mv[CNT_NEAREST]);
+            clamp_mv(mv_bounds, &mb->mv, &near_mv[CNT_NEAREST]);
             mb->bmv[0] = mb->mv;
         }
     } else {
@@ -1159,14 +1166,15 @@ void decode_intra4x4_modes(VP8Context *s, VP56RangeCoder *c, VP8Macroblock *mb,
 }
 
 static av_always_inline
-void decode_mb_mode(VP8Context *s, VP8Macroblock *mb, int mb_x, int mb_y,
+void decode_mb_mode(VP8Context *s, VP8mvbounds *mv_bounds,
+                    VP8Macroblock *mb, int mb_x, int mb_y,
                     uint8_t *segment, uint8_t *ref, int layout, int is_vp7)
 {
     VP56RangeCoder *c = &s->c;
-    static const char *vp7_feature_name[] = { "q-index",
-                                              "lf-delta",
-                                              "partial-golden-update",
-                                              "blit-pitch" };
+    static const char * const vp7_feature_name[] = { "q-index",
+                                                     "lf-delta",
+                                                     "partial-golden-update",
+                                                     "blit-pitch" };
     if (is_vp7) {
         int i;
         *segment = 0;
@@ -1223,7 +1231,7 @@ void decode_mb_mode(VP8Context *s, VP8Macroblock *mb, int mb_x, int mb_y,
         if (is_vp7)
             vp7_decode_mvs(s, mb, mb_x, mb_y, layout);
         else
-            vp8_decode_mvs(s, mb, mb_x, mb_y, layout);
+            vp8_decode_mvs(s, mv_bounds, mb, mb_x, mb_y, layout);
     } else {
         // intra MB, 16.1
         mb->mode = vp8_rac_get_tree(c, vp8_pred16x16_tree_inter, s->prob->pred16x16);
@@ -1461,7 +1469,7 @@ void decode_mb_coeffs(VP8Context *s, VP8ThreadData *td, VP56RangeCoder *c,
 static av_always_inline
 void backup_mb_border(uint8_t *top_border, uint8_t *src_y,
                       uint8_t *src_cb, uint8_t *src_cr,
-                      int linesize, int uvlinesize, int simple)
+                      ptrdiff_t linesize, ptrdiff_t uvlinesize, int simple)
 {
     AV_COPY128(top_border, src_y + 15 * linesize);
     if (!simple) {
@@ -1472,7 +1480,7 @@ void backup_mb_border(uint8_t *top_border, uint8_t *src_y,
 
 static av_always_inline
 void xchg_mb_border(uint8_t *top_border, uint8_t *src_y, uint8_t *src_cb,
-                    uint8_t *src_cr, int linesize, int uvlinesize, int mb_x,
+                    uint8_t *src_cr, ptrdiff_t linesize, ptrdiff_t uvlinesize, int mb_x,
                     int mb_y, int mb_width, int simple, int xchg)
 {
     uint8_t *top_border_m1 = top_border - 32;     // for TL prediction
@@ -1625,7 +1633,8 @@ void intra_predict(VP8Context *s, VP8ThreadData *td, uint8_t *dst[3],
         for (y = 0; y < 4; y++) {
             uint8_t *topright = ptr + 4 - s->linesize;
             for (x = 0; x < 4; x++) {
-                int copy = 0, linesize = s->linesize;
+                int copy = 0;
+                ptrdiff_t linesize = s->linesize;
                 uint8_t *dst = ptr + 4 * x;
                 LOCAL_ALIGNED(4, uint8_t, copy_dst, [5 * 8]);
 
@@ -1731,7 +1740,7 @@ void vp8_mc_luma(VP8Context *s, VP8ThreadData *td, uint8_t *dst,
     uint8_t *src = ref->f->data[0];
 
     if (AV_RN32A(mv)) {
-        int src_linesize = linesize;
+        ptrdiff_t src_linesize = linesize;
 
         int mx = (mv->x * 2) & 7, mx_idx = subpel_idx[0][mx];
         int my = (mv->y * 2) & 7, my_idx = subpel_idx[0][my];
@@ -2077,8 +2086,8 @@ void filter_mb(VP8Context *s, uint8_t *dst[3], VP8FilterStrength *f,
     int filter_level = f->filter_level;
     int inner_limit = f->inner_limit;
     int inner_filter = f->inner_filter;
-    int linesize = s->linesize;
-    int uvlinesize = s->uvlinesize;
+    ptrdiff_t linesize   = s->linesize;
+    ptrdiff_t uvlinesize = s->uvlinesize;
     static const uint8_t hev_thresh_lut[2][64] = {
         { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1,
           2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
@@ -2164,7 +2173,7 @@ void filter_mb_simple(VP8Context *s, uint8_t *dst, VP8FilterStrength *f,
     int filter_level = f->filter_level;
     int inner_limit  = f->inner_limit;
     int inner_filter = f->inner_filter;
-    int linesize     = s->linesize;
+    ptrdiff_t linesize = s->linesize;
 
     if (!filter_level)
         return;
@@ -2197,8 +2206,8 @@ void vp78_decode_mv_mb_modes(AVCodecContext *avctx, VP8Frame *curframe,
     VP8Context *s = avctx->priv_data;
     int mb_x, mb_y;
 
-    s->mv_min.y = -MARGIN;
-    s->mv_max.y = ((s->mb_height - 1) << 6) + MARGIN;
+    s->mv_bounds.mv_min.y = -MARGIN;
+    s->mv_bounds.mv_max.y = ((s->mb_height - 1) << 6) + MARGIN;
     for (mb_y = 0; mb_y < s->mb_height; mb_y++) {
         VP8Macroblock *mb = s->macroblocks_base +
                             ((s->mb_width + 1) * (mb_y + 1) + 1);
@@ -2206,20 +2215,20 @@ void vp78_decode_mv_mb_modes(AVCodecContext *avctx, VP8Frame *curframe,
 
         AV_WN32A(s->intra4x4_pred_mode_left, DC_PRED * 0x01010101);
 
-        s->mv_min.x = -MARGIN;
-        s->mv_max.x = ((s->mb_width - 1) << 6) + MARGIN;
+        s->mv_bounds.mv_min.x = -MARGIN;
+        s->mv_bounds.mv_max.x = ((s->mb_width - 1) << 6) + MARGIN;
         for (mb_x = 0; mb_x < s->mb_width; mb_x++, mb_xy++, mb++) {
             if (mb_y == 0)
                 AV_WN32A((mb - s->mb_width - 1)->intra4x4_pred_mode_top,
                          DC_PRED * 0x01010101);
-            decode_mb_mode(s, mb, mb_x, mb_y, curframe->seg_map->data + mb_xy,
+            decode_mb_mode(s, &s->mv_bounds, mb, mb_x, mb_y, curframe->seg_map->data + mb_xy,
                            prev_frame && prev_frame->seg_map ?
                            prev_frame->seg_map->data + mb_xy : NULL, 1, is_vp7);
-            s->mv_min.x -= 64;
-            s->mv_max.x -= 64;
+            s->mv_bounds.mv_min.x -= 64;
+            s->mv_bounds.mv_max.x -= 64;
         }
-        s->mv_min.y -= 64;
-        s->mv_max.y -= 64;
+        s->mv_bounds.mv_min.y -= 64;
+        s->mv_bounds.mv_max.y -= 64;
     }
 }
 
@@ -2239,15 +2248,15 @@ static void vp8_decode_mv_mb_modes(AVCodecContext *avctx, VP8Frame *cur_frame,
 #define check_thread_pos(td, otd, mb_x_check, mb_y_check)                     \
     do {                                                                      \
         int tmp = (mb_y_check << 16) | (mb_x_check & 0xFFFF);                 \
-        if (otd->thread_mb_pos < tmp) {                                       \
+        if (atomic_load(&otd->thread_mb_pos) < tmp) {                         \
             pthread_mutex_lock(&otd->lock);                                   \
-            td->wait_mb_pos = tmp;                                            \
+            atomic_store(&td->wait_mb_pos, tmp);                              \
             do {                                                              \
-                if (otd->thread_mb_pos >= tmp)                                \
+                if (atomic_load(&otd->thread_mb_pos) >= tmp)                  \
                     break;                                                    \
                 pthread_cond_wait(&otd->cond, &otd->lock);                    \
             } while (1);                                                      \
-            td->wait_mb_pos = INT_MAX;                                        \
+            atomic_store(&td->wait_mb_pos, INT_MAX);                          \
             pthread_mutex_unlock(&otd->lock);                                 \
         }                                                                     \
     } while (0)
@@ -2258,12 +2267,10 @@ static void vp8_decode_mv_mb_modes(AVCodecContext *avctx, VP8Frame *cur_frame,
         int sliced_threading = (avctx->active_thread_type == FF_THREAD_SLICE) && \
                                (num_jobs > 1);                                \
         int is_null          = !next_td || !prev_td;                          \
-        int pos_check        = (is_null) ? 1                                  \
-                                         : (next_td != td &&                  \
-                                            pos >= next_td->wait_mb_pos) ||   \
-                                           (prev_td != td &&                  \
-                                            pos >= prev_td->wait_mb_pos);     \
-        td->thread_mb_pos = pos;                                              \
+        int pos_check        = (is_null) ? 1 :                                \
+            (next_td != td && pos >= atomic_load(&next_td->wait_mb_pos)) ||   \
+            (prev_td != td && pos >= atomic_load(&prev_td->wait_mb_pos));     \
+        atomic_store(&td->thread_mb_pos, pos);                                \
         if (sliced_threading && pos_check) {                                  \
             pthread_mutex_lock(&td->lock);                                    \
             pthread_cond_broadcast(&td->cond);                                \
@@ -2275,12 +2282,12 @@ static void vp8_decode_mv_mb_modes(AVCodecContext *avctx, VP8Frame *cur_frame,
 #define update_pos(td, mb_y, mb_x) while(0)
 #endif
 
-static av_always_inline void decode_mb_row_no_filter(AVCodecContext *avctx, void *tdata,
+static av_always_inline int decode_mb_row_no_filter(AVCodecContext *avctx, void *tdata,
                                         int jobnr, int threadnr, int is_vp7)
 {
     VP8Context *s = avctx->priv_data;
     VP8ThreadData *prev_td, *next_td, *td = &s->thread_data[threadnr];
-    int mb_y = td->thread_mb_pos >> 16;
+    int mb_y = atomic_load(&td->thread_mb_pos) >> 16;
     int mb_x, mb_xy = mb_y * s->mb_width;
     int num_jobs = s->num_jobs;
     VP8Frame *curframe = s->curframe, *prev_frame = s->prev_frame;
@@ -2291,6 +2298,10 @@ static av_always_inline void decode_mb_row_no_filter(AVCodecContext *avctx, void
         curframe->tf.f->data[1] +  8 * mb_y * s->uvlinesize,
         curframe->tf.f->data[2] +  8 * mb_y * s->uvlinesize
     };
+
+    if (c->end <= c->buffer && c->bits >= 0)
+         return AVERROR_INVALIDDATA;
+
     if (mb_y == 0)
         prev_td = td;
     else
@@ -2315,10 +2326,12 @@ static av_always_inline void decode_mb_row_no_filter(AVCodecContext *avctx, void
     if (!is_vp7 || mb_y == 0)
         memset(td->left_nnz, 0, sizeof(td->left_nnz));
 
-    s->mv_min.x = -MARGIN;
-    s->mv_max.x = ((s->mb_width - 1) << 6) + MARGIN;
+    td->mv_bounds.mv_min.x = -MARGIN;
+    td->mv_bounds.mv_max.x = ((s->mb_width - 1) << 6) + MARGIN;
 
     for (mb_x = 0; mb_x < s->mb_width; mb_x++, mb_xy++, mb++) {
+        if (c->end <= c->buffer && c->bits >= 0)
+            return AVERROR_INVALIDDATA;
         // Wait for previous thread to read mb_x+2, and reach mb_y-1.
         if (prev_td != td) {
             if (threadnr != 0) {
@@ -2338,7 +2351,7 @@ static av_always_inline void decode_mb_row_no_filter(AVCodecContext *avctx, void
                          dst[2] - dst[1], 2);
 
         if (!s->mb_layout)
-            decode_mb_mode(s, mb, mb_x, mb_y, curframe->seg_map->data + mb_xy,
+            decode_mb_mode(s, &td->mv_bounds, mb, mb_x, mb_y, curframe->seg_map->data + mb_xy,
                            prev_frame && prev_frame->seg_map ?
                            prev_frame->seg_map->data + mb_xy : NULL, 0, is_vp7);
 
@@ -2385,8 +2398,8 @@ static av_always_inline void decode_mb_row_no_filter(AVCodecContext *avctx, void
         dst[0]      += 16;
         dst[1]      += 8;
         dst[2]      += 8;
-        s->mv_min.x -= 64;
-        s->mv_max.x -= 64;
+        td->mv_bounds.mv_min.x -= 64;
+        td->mv_bounds.mv_max.x -= 64;
 
         if (mb_x == s->mb_width + 1) {
             update_pos(td, mb_y, s->mb_width + 3);
@@ -2394,18 +2407,19 @@ static av_always_inline void decode_mb_row_no_filter(AVCodecContext *avctx, void
             update_pos(td, mb_y, mb_x);
         }
     }
+    return 0;
 }
 
-static void vp7_decode_mb_row_no_filter(AVCodecContext *avctx, void *tdata,
+static int vp7_decode_mb_row_no_filter(AVCodecContext *avctx, void *tdata,
                                         int jobnr, int threadnr)
 {
-    decode_mb_row_no_filter(avctx, tdata, jobnr, threadnr, 1);
+    return decode_mb_row_no_filter(avctx, tdata, jobnr, threadnr, 1);
 }
 
-static void vp8_decode_mb_row_no_filter(AVCodecContext *avctx, void *tdata,
+static int vp8_decode_mb_row_no_filter(AVCodecContext *avctx, void *tdata,
                                         int jobnr, int threadnr)
 {
-    decode_mb_row_no_filter(avctx, tdata, jobnr, threadnr, 0);
+    return decode_mb_row_no_filter(avctx, tdata, jobnr, threadnr, 0);
 }
 
 static av_always_inline void filter_mb_row(AVCodecContext *avctx, void *tdata,
@@ -2413,7 +2427,7 @@ static av_always_inline void filter_mb_row(AVCodecContext *avctx, void *tdata,
 {
     VP8Context *s = avctx->priv_data;
     VP8ThreadData *td = &s->thread_data[threadnr];
-    int mb_x, mb_y = td->thread_mb_pos >> 16, num_jobs = s->num_jobs;
+    int mb_x, mb_y = atomic_load(&td->thread_mb_pos) >> 16, num_jobs = s->num_jobs;
     AVFrame *curframe = s->curframe->tf.f;
     VP8Macroblock *mb;
     VP8ThreadData *prev_td, *next_td;
@@ -2488,19 +2502,24 @@ int vp78_decode_mb_row_sliced(AVCodecContext *avctx, void *tdata, int jobnr,
     VP8ThreadData *next_td = NULL, *prev_td = NULL;
     VP8Frame *curframe = s->curframe;
     int mb_y, num_jobs = s->num_jobs;
+    int ret;
 
     td->thread_nr = threadnr;
+    td->mv_bounds.mv_min.y   = -MARGIN - 64 * threadnr;
+    td->mv_bounds.mv_max.y   = ((s->mb_height - 1) << 6) + MARGIN - 64 * threadnr;
     for (mb_y = jobnr; mb_y < s->mb_height; mb_y += num_jobs) {
-        if (mb_y >= s->mb_height)
-            break;
-        td->thread_mb_pos = mb_y << 16;
-        s->decode_mb_row_no_filter(avctx, tdata, jobnr, threadnr);
+        atomic_store(&td->thread_mb_pos, mb_y << 16);
+        ret = s->decode_mb_row_no_filter(avctx, tdata, jobnr, threadnr);
+        if (ret < 0) {
+            update_pos(td, s->mb_height, INT_MAX & 0xFFFF);
+            return ret;
+        }
         if (s->deblock_filter)
             s->filter_mb_row(avctx, tdata, jobnr, threadnr);
         update_pos(td, mb_y, INT_MAX & 0xFFFF);
 
-        s->mv_min.y -= 64;
-        s->mv_max.y -= 64;
+        td->mv_bounds.mv_min.y -= 64 * num_jobs;
+        td->mv_bounds.mv_max.y -= 64 * num_jobs;
 
         if (avctx->active_thread_type == FF_THREAD_FRAME)
             ff_thread_report_progress(&curframe->tf, mb_y, 0);
@@ -2531,6 +2550,8 @@ int vp78_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
     enum AVDiscard skip_thresh;
     VP8Frame *av_uninit(curframe), *prev_frame;
 
+    av_assert0(avctx->pix_fmt == AV_PIX_FMT_YUVA420P || avctx->pix_fmt == AV_PIX_FMT_YUV420P);
+
     if (is_vp7)
         ret = vp7_decode_frame_header(s, avpkt->data, avpkt->size);
     else
@@ -2646,11 +2667,12 @@ int vp78_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
     s->num_jobs   = num_jobs;
     s->curframe   = curframe;
     s->prev_frame = prev_frame;
-    s->mv_min.y   = -MARGIN;
-    s->mv_max.y   = ((s->mb_height - 1) << 6) + MARGIN;
+    s->mv_bounds.mv_min.y   = -MARGIN;
+    s->mv_bounds.mv_max.y   = ((s->mb_height - 1) << 6) + MARGIN;
     for (i = 0; i < MAX_THREADS; i++) {
-        s->thread_data[i].thread_mb_pos = 0;
-        s->thread_data[i].wait_mb_pos   = INT_MAX;
+        VP8ThreadData *td = &s->thread_data[i];
+        atomic_init(&td->thread_mb_pos, 0);
+        atomic_init(&td->wait_mb_pos, INT_MAX);
     }
     if (is_vp7)
         avctx->execute2(avctx, vp7_decode_mb_row_sliced, s->thread_data, NULL,
diff --git a/media/ffvpx/libavcodec/vp8.h b/media/ffvpx/libavcodec/vp8.h
index 374e1388e..8263997e3 100644
--- a/media/ffvpx/libavcodec/vp8.h
+++ b/media/ffvpx/libavcodec/vp8.h
@@ -26,6 +26,8 @@
 #ifndef AVCODEC_VP8_H
 #define AVCODEC_VP8_H
 
+#include <stdatomic.h>
+
 #include "libavutil/buffer.h"
 #include "libavutil/thread.h"
 
@@ -91,6 +93,16 @@ typedef struct VP8Macroblock {
     VP56mv bmv[16];
 } VP8Macroblock;
 
+typedef struct VP8intmv {
+    int x;
+    int y;
+} VP8intmv;
+
+typedef struct VP8mvbounds {
+    VP8intmv mv_min;
+    VP8intmv mv_max;
+} VP8mvbounds;
+
 typedef struct VP8ThreadData {
     DECLARE_ALIGNED(16, int16_t, block)[6][4][16];
     DECLARE_ALIGNED(16, int16_t, block_dc)[16];
@@ -114,12 +126,13 @@ typedef struct VP8ThreadData {
     pthread_mutex_t lock;
     pthread_cond_t cond;
 #endif
-    int thread_mb_pos; // (mb_y << 16) | (mb_x & 0xFFFF)
-    int wait_mb_pos; // What the current thread is waiting on.
+    atomic_int thread_mb_pos; // (mb_y << 16) | (mb_x & 0xFFFF)
+    atomic_int wait_mb_pos; // What the current thread is waiting on.
 
 #define EDGE_EMU_LINESIZE 32
     DECLARE_ALIGNED(16, uint8_t, edge_emu_buffer)[21 * EDGE_EMU_LINESIZE];
     VP8FilterStrength *filter_strength;
+    VP8mvbounds mv_bounds;
 } VP8ThreadData;
 
 typedef struct VP8Frame {
@@ -127,11 +140,6 @@ typedef struct VP8Frame {
     AVBufferRef *seg_map;
 } VP8Frame;
 
-typedef struct VP8intmv {
-    int x;
-    int y;
-} VP8intmv;
-
 #define MAX_THREADS 8
 typedef struct VP8Context {
     VP8ThreadData *thread_data;
@@ -143,15 +151,14 @@ typedef struct VP8Context {
 
     uint16_t mb_width;   /* number of horizontal MB */
     uint16_t mb_height;  /* number of vertical MB */
-    int linesize;
-    int uvlinesize;
+    ptrdiff_t linesize;
+    ptrdiff_t uvlinesize;
 
     uint8_t keyframe;
     uint8_t deblock_filter;
     uint8_t mbskip_enabled;
     uint8_t profile;
-    VP8intmv mv_min;
-    VP8intmv mv_max;
+    VP8mvbounds mv_bounds;
 
     int8_t sign_bias[4]; ///< one state [0, 1] per ref frame type
     int ref_count[3];
@@ -275,7 +282,7 @@ typedef struct VP8Context {
      */
     int mb_layout;
 
-    void (*decode_mb_row_no_filter)(AVCodecContext *avctx, void *tdata, int jobnr, int threadnr);
+    int (*decode_mb_row_no_filter)(AVCodecContext *avctx, void *tdata, int jobnr, int threadnr);
     void (*filter_mb_row)(AVCodecContext *avctx, void *tdata, int jobnr, int threadnr);
 
     int vp7;
diff --git a/media/ffvpx/libavcodec/vp8_parser.c b/media/ffvpx/libavcodec/vp8_parser.c
index afc7f991e..609f5077d 100644
--- a/media/ffvpx/libavcodec/vp8_parser.c
+++ b/media/ffvpx/libavcodec/vp8_parser.c
@@ -1,6 +1,4 @@
 /*
- * Copyright (C) 2008 Michael Niedermayer
- *
  * This file is part of FFmpeg.
  *
  * FFmpeg is free software; you can redistribute it and/or
@@ -18,15 +16,56 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#include "parser.h"
+#include "libavutil/intreadwrite.h"
+
+#include "avcodec.h"
 
 static int parse(AVCodecParserContext *s,
                  AVCodecContext *avctx,
                  const uint8_t **poutbuf, int *poutbuf_size,
                  const uint8_t *buf, int buf_size)
 {
-    s->pict_type = (buf[0] & 0x01) ? AV_PICTURE_TYPE_P
-                                   : AV_PICTURE_TYPE_I;
+    unsigned int frame_type;
+    unsigned int profile;
+
+    if (buf_size < 3)
+        return buf_size;
+
+    frame_type = buf[0] & 1;
+    profile    = (buf[0] >> 1) & 7;
+    if (profile > 3) {
+        av_log(avctx, AV_LOG_ERROR, "Invalid profile %u.\n", profile);
+        return buf_size;
+    }
+
+    avctx->profile = profile;
+    s->key_frame   = frame_type == 0;
+    s->pict_type   = frame_type ? AV_PICTURE_TYPE_P : AV_PICTURE_TYPE_I;
+    s->format      = AV_PIX_FMT_YUV420P;
+    s->field_order = AV_FIELD_PROGRESSIVE;
+    s->picture_structure = AV_PICTURE_STRUCTURE_FRAME;
+
+    if (frame_type == 0) {
+        unsigned int sync_code;
+        unsigned int width, height;
+
+        if (buf_size < 10)
+            return buf_size;
+
+        sync_code = AV_RL24(buf + 3);
+        if (sync_code != 0x2a019d) {
+            av_log(avctx, AV_LOG_ERROR, "Invalid sync code %06x.\n", sync_code);
+            return buf_size;
+        }
+
+        width  = AV_RL16(buf + 6) & 0x3fff;
+        height = AV_RL16(buf + 8) & 0x3fff;
+
+        s->width        = width;
+        s->height       = height;
+        s->coded_width  = FFALIGN(width,  16);
+        s->coded_height = FFALIGN(height, 16);
+    }
 
     *poutbuf      = buf;
     *poutbuf_size = buf_size;
diff --git a/media/ffvpx/libavcodec/vp8dsp.c b/media/ffvpx/libavcodec/vp8dsp.c
index 07bea69c7..fed5c67a9 100644
--- a/media/ffvpx/libavcodec/vp8dsp.c
+++ b/media/ffvpx/libavcodec/vp8dsp.c
@@ -53,7 +53,8 @@ static void name ## _idct_dc_add4y_c(uint8_t *dst, int16_t block[4][16],      \
 #if CONFIG_VP7_DECODER
 static void vp7_luma_dc_wht_c(int16_t block[4][4][16], int16_t dc[16])
 {
-    int i, a1, b1, c1, d1;
+    int i;
+    unsigned a1, b1, c1, d1;
     int16_t tmp[16];
 
     for (i = 0; i < 4; i++) {
@@ -61,10 +62,10 @@ static void vp7_luma_dc_wht_c(int16_t block[4][4][16], int16_t dc[16])
         b1 = (dc[i * 4 + 0] - dc[i * 4 + 2]) * 23170;
         c1 = dc[i * 4 + 1] * 12540 - dc[i * 4 + 3] * 30274;
         d1 = dc[i * 4 + 1] * 30274 + dc[i * 4 + 3] * 12540;
-        tmp[i * 4 + 0] = (a1 + d1) >> 14;
-        tmp[i * 4 + 3] = (a1 - d1) >> 14;
-        tmp[i * 4 + 1] = (b1 + c1) >> 14;
-        tmp[i * 4 + 2] = (b1 - c1) >> 14;
+        tmp[i * 4 + 0] = (int)(a1 + d1) >> 14;
+        tmp[i * 4 + 3] = (int)(a1 - d1) >> 14;
+        tmp[i * 4 + 1] = (int)(b1 + c1) >> 14;
+        tmp[i * 4 + 2] = (int)(b1 - c1) >> 14;
     }
 
     for (i = 0; i < 4; i++) {
@@ -73,10 +74,10 @@ static void vp7_luma_dc_wht_c(int16_t block[4][4][16], int16_t dc[16])
         c1 = tmp[i + 4] * 12540 - tmp[i + 12] * 30274;
         d1 = tmp[i + 4] * 30274 + tmp[i + 12] * 12540;
         AV_ZERO64(dc + i * 4);
-        block[0][i][0] = (a1 + d1 + 0x20000) >> 18;
-        block[3][i][0] = (a1 - d1 + 0x20000) >> 18;
-        block[1][i][0] = (b1 + c1 + 0x20000) >> 18;
-        block[2][i][0] = (b1 - c1 + 0x20000) >> 18;
+        block[0][i][0] = (int)(a1 + d1 + 0x20000) >> 18;
+        block[3][i][0] = (int)(a1 - d1 + 0x20000) >> 18;
+        block[1][i][0] = (int)(b1 + c1 + 0x20000) >> 18;
+        block[2][i][0] = (int)(b1 - c1 + 0x20000) >> 18;
     }
 }
 
@@ -95,7 +96,8 @@ static void vp7_luma_dc_wht_dc_c(int16_t block[4][4][16], int16_t dc[16])
 
 static void vp7_idct_add_c(uint8_t *dst, int16_t block[16], ptrdiff_t stride)
 {
-    int i, a1, b1, c1, d1;
+    int i;
+    unsigned a1, b1, c1, d1;
     int16_t tmp[16];
 
     for (i = 0; i < 4; i++) {
@@ -104,10 +106,10 @@ static void vp7_idct_add_c(uint8_t *dst, int16_t block[16], ptrdiff_t stride)
         c1 = block[i * 4 + 1] * 12540 - block[i * 4 + 3] * 30274;
         d1 = block[i * 4 + 1] * 30274 + block[i * 4 + 3] * 12540;
         AV_ZERO64(block + i * 4);
-        tmp[i * 4 + 0] = (a1 + d1) >> 14;
-        tmp[i * 4 + 3] = (a1 - d1) >> 14;
-        tmp[i * 4 + 1] = (b1 + c1) >> 14;
-        tmp[i * 4 + 2] = (b1 - c1) >> 14;
+        tmp[i * 4 + 0] = (int)(a1 + d1) >> 14;
+        tmp[i * 4 + 3] = (int)(a1 - d1) >> 14;
+        tmp[i * 4 + 1] = (int)(b1 + c1) >> 14;
+        tmp[i * 4 + 2] = (int)(b1 - c1) >> 14;
     }
 
     for (i = 0; i < 4; i++) {
@@ -116,13 +118,13 @@ static void vp7_idct_add_c(uint8_t *dst, int16_t block[16], ptrdiff_t stride)
         c1 = tmp[i + 4] * 12540 - tmp[i + 12] * 30274;
         d1 = tmp[i + 4] * 30274 + tmp[i + 12] * 12540;
         dst[0 * stride + i] = av_clip_uint8(dst[0 * stride + i] +
-                                            ((a1 + d1 + 0x20000) >> 18));
+                                            ((int)(a1 + d1 + 0x20000) >> 18));
         dst[3 * stride + i] = av_clip_uint8(dst[3 * stride + i] +
-                                            ((a1 - d1 + 0x20000) >> 18));
+                                            ((int)(a1 - d1 + 0x20000) >> 18));
         dst[1 * stride + i] = av_clip_uint8(dst[1 * stride + i] +
-                                            ((b1 + c1 + 0x20000) >> 18));
+                                            ((int)(b1 + c1 + 0x20000) >> 18));
         dst[2 * stride + i] = av_clip_uint8(dst[2 * stride + i] +
-                                            ((b1 - c1 + 0x20000) >> 18));
+                                            ((int)(b1 - c1 + 0x20000) >> 18));
     }
 }
 
diff --git a/media/ffvpx/libavcodec/vp8dsp.h b/media/ffvpx/libavcodec/vp8dsp.h
index 0401c9221..eaae4aed6 100644
--- a/media/ffvpx/libavcodec/vp8dsp.h
+++ b/media/ffvpx/libavcodec/vp8dsp.h
@@ -70,12 +70,12 @@ typedef struct VP8DSPContext {
     void (*vp8_h_loop_filter_simple)(uint8_t *dst, ptrdiff_t stride, int flim);
 
     /**
-     * first dimension: width>>3, height is assumed equal to width
+     * first dimension: 4-log2(width)
      * second dimension: 0 if no vertical interpolation is needed;
      *                   1 4-tap vertical interpolation filter (my & 1)
      *                   2 6-tap vertical interpolation filter (!(my & 1))
      * third dimension: same as second dimension, for horizontal interpolation
-     * so something like put_vp8_epel_pixels_tab[width>>3][2*!!my-(my&1)][2*!!mx-(mx&1)](..., mx, my)
+     * so something like put_vp8_epel_pixels_tab[4-log2(width)][2*!!my-(my&1)][2*!!mx-(mx&1)](..., mx, my)
      */
     vp8_mc_func put_vp8_epel_pixels_tab[3][3][3];
     vp8_mc_func put_vp8_bilinear_pixels_tab[3][3][3];
diff --git a/media/ffvpx/libavcodec/vp9.c b/media/ffvpx/libavcodec/vp9.c
index 1aab6ba03..f2cf19424 100644
--- a/media/ffvpx/libavcodec/vp9.c
+++ b/media/ffvpx/libavcodec/vp9.c
@@ -30,176 +30,97 @@
 #include "vp56.h"
 #include "vp9.h"
 #include "vp9data.h"
-#include "vp9dsp.h"
+#include "vp9dec.h"
 #include "libavutil/avassert.h"
 #include "libavutil/pixdesc.h"
 
 #define VP9_SYNCCODE 0x498342
 
-struct VP9Filter {
-    uint8_t level[8 * 8];
-    uint8_t /* bit=col */ mask[2 /* 0=y, 1=uv */][2 /* 0=col, 1=row */]
-                              [8 /* rows */][4 /* 0=16, 1=8, 2=4, 3=inner4 */];
-};
+#if HAVE_THREADS
+static void vp9_free_entries(AVCodecContext *avctx) {
+    VP9Context *s = avctx->priv_data;
 
-typedef struct VP9Block {
-    uint8_t seg_id, intra, comp, ref[2], mode[4], uvmode, skip;
-    enum FilterMode filter;
-    VP56mv mv[4 /* b_idx */][2 /* ref */];
-    enum BlockSize bs;
-    enum TxfmMode tx, uvtx;
-    enum BlockLevel bl;
-    enum BlockPartition bp;
-} VP9Block;
-
-typedef struct VP9Context {
-    VP9SharedContext s;
-
-    VP9DSPContext dsp;
-    VideoDSPContext vdsp;
-    GetBitContext gb;
-    VP56RangeCoder c;
-    VP56RangeCoder *c_b;
-    unsigned c_b_size;
-    VP9Block *b_base, *b;
-    int pass;
-    int row, row7, col, col7;
-    uint8_t *dst[3];
-    ptrdiff_t y_stride, uv_stride;
-
-    uint8_t ss_h, ss_v;
-    uint8_t last_bpp, bpp, bpp_index, bytesperpixel;
-    uint8_t last_keyframe;
-    // sb_cols/rows, rows/cols and last_fmt are used for allocating all internal
-    // arrays, and are thus per-thread. w/h and gf_fmt are synced between threads
-    // and are therefore per-stream. pix_fmt represents the value in the header
-    // of the currently processed frame.
-    int w, h;
-    enum AVPixelFormat pix_fmt, last_fmt, gf_fmt;
-    unsigned sb_cols, sb_rows, rows, cols;
-    ThreadFrame next_refs[8];
-
-    struct {
-        uint8_t lim_lut[64];
-        uint8_t mblim_lut[64];
-    } filter_lut;
-    unsigned tile_row_start, tile_row_end, tile_col_start, tile_col_end;
-    struct {
-        prob_context p;
-        uint8_t coef[4][2][2][6][6][3];
-    } prob_ctx[4];
-    struct {
-        prob_context p;
-        uint8_t coef[4][2][2][6][6][11];
-    } prob;
-    struct {
-        unsigned y_mode[4][10];
-        unsigned uv_mode[10][10];
-        unsigned filter[4][3];
-        unsigned mv_mode[7][4];
-        unsigned intra[4][2];
-        unsigned comp[5][2];
-        unsigned single_ref[5][2][2];
-        unsigned comp_ref[5][2];
-        unsigned tx32p[2][4];
-        unsigned tx16p[2][3];
-        unsigned tx8p[2][2];
-        unsigned skip[3][2];
-        unsigned mv_joint[4];
-        struct {
-            unsigned sign[2];
-            unsigned classes[11];
-            unsigned class0[2];
-            unsigned bits[10][2];
-            unsigned class0_fp[2][4];
-            unsigned fp[4];
-            unsigned class0_hp[2];
-            unsigned hp[2];
-        } mv_comp[2];
-        unsigned partition[4][4][4];
-        unsigned coef[4][2][2][6][6][3];
-        unsigned eob[4][2][2][6][6][2];
-    } counts;
-
-    // contextual (left/above) cache
-    DECLARE_ALIGNED(16, uint8_t, left_y_nnz_ctx)[16];
-    DECLARE_ALIGNED(16, uint8_t, left_mode_ctx)[16];
-    DECLARE_ALIGNED(16, VP56mv, left_mv_ctx)[16][2];
-    DECLARE_ALIGNED(16, uint8_t, left_uv_nnz_ctx)[2][16];
-    DECLARE_ALIGNED(8, uint8_t, left_partition_ctx)[8];
-    DECLARE_ALIGNED(8, uint8_t, left_skip_ctx)[8];
-    DECLARE_ALIGNED(8, uint8_t, left_txfm_ctx)[8];
-    DECLARE_ALIGNED(8, uint8_t, left_segpred_ctx)[8];
-    DECLARE_ALIGNED(8, uint8_t, left_intra_ctx)[8];
-    DECLARE_ALIGNED(8, uint8_t, left_comp_ctx)[8];
-    DECLARE_ALIGNED(8, uint8_t, left_ref_ctx)[8];
-    DECLARE_ALIGNED(8, uint8_t, left_filter_ctx)[8];
-    uint8_t *above_partition_ctx;
-    uint8_t *above_mode_ctx;
-    // FIXME maybe merge some of the below in a flags field?
-    uint8_t *above_y_nnz_ctx;
-    uint8_t *above_uv_nnz_ctx[2];
-    uint8_t *above_skip_ctx; // 1bit
-    uint8_t *above_txfm_ctx; // 2bit
-    uint8_t *above_segpred_ctx; // 1bit
-    uint8_t *above_intra_ctx; // 1bit
-    uint8_t *above_comp_ctx; // 1bit
-    uint8_t *above_ref_ctx; // 2bit
-    uint8_t *above_filter_ctx;
-    VP56mv (*above_mv_ctx)[2];
-
-    // whole-frame cache
-    uint8_t *intra_pred_data[3];
-    struct VP9Filter *lflvl;
-    DECLARE_ALIGNED(32, uint8_t, edge_emu_buffer)[135 * 144 * 2];
-
-    // block reconstruction intermediates
-    int block_alloc_using_2pass;
-    int16_t *block_base, *block, *uvblock_base[2], *uvblock[2];
-    uint8_t *eob_base, *uveob_base[2], *eob, *uveob[2];
-    struct { int x, y; } min_mv, max_mv;
-    DECLARE_ALIGNED(32, uint8_t, tmp_y)[64 * 64 * 2];
-    DECLARE_ALIGNED(32, uint8_t, tmp_uv)[2][64 * 64 * 2];
-    uint16_t mvscale[3][2];
-    uint8_t mvstep[3][2];
-} VP9Context;
-
-static const uint8_t bwh_tab[2][N_BS_SIZES][2] = {
-    {
-        { 16, 16 }, { 16, 8 }, { 8, 16 }, { 8, 8 }, { 8, 4 }, { 4, 8 },
-        { 4, 4 }, { 4, 2 }, { 2, 4 }, { 2, 2 }, { 2, 1 }, { 1, 2 }, { 1, 1 },
-    }, {
-        { 8, 8 }, { 8, 4 }, { 4, 8 }, { 4, 4 }, { 4, 2 }, { 2, 4 },
-        { 2, 2 }, { 2, 1 }, { 1, 2 }, { 1, 1 }, { 1, 1 }, { 1, 1 }, { 1, 1 },
+    if (avctx->active_thread_type & FF_THREAD_SLICE)  {
+        pthread_mutex_destroy(&s->progress_mutex);
+        pthread_cond_destroy(&s->progress_cond);
+        av_freep(&s->entries);
     }
-};
+}
+
+static int vp9_alloc_entries(AVCodecContext *avctx, int n) {
+    VP9Context *s = avctx->priv_data;
+    int i;
+
+    if (avctx->active_thread_type & FF_THREAD_SLICE)  {
+        if (s->entries)
+            av_freep(&s->entries);
+
+        s->entries = av_malloc_array(n, sizeof(atomic_int));
+
+        if (!s->entries) {
+            av_freep(&s->entries);
+            return AVERROR(ENOMEM);
+        }
 
-static void vp9_unref_frame(AVCodecContext *ctx, VP9Frame *f)
+        for (i  = 0; i < n; i++)
+            atomic_init(&s->entries[i], 0);
+
+        pthread_mutex_init(&s->progress_mutex, NULL);
+        pthread_cond_init(&s->progress_cond, NULL);
+    }
+    return 0;
+}
+
+static void vp9_report_tile_progress(VP9Context *s, int field, int n) {
+    pthread_mutex_lock(&s->progress_mutex);
+    atomic_fetch_add_explicit(&s->entries[field], n, memory_order_release);
+    pthread_cond_signal(&s->progress_cond);
+    pthread_mutex_unlock(&s->progress_mutex);
+}
+
+static void vp9_await_tile_progress(VP9Context *s, int field, int n) {
+    if (atomic_load_explicit(&s->entries[field], memory_order_acquire) >= n)
+        return;
+
+    pthread_mutex_lock(&s->progress_mutex);
+    while (atomic_load_explicit(&s->entries[field], memory_order_relaxed) != n)
+        pthread_cond_wait(&s->progress_cond, &s->progress_mutex);
+    pthread_mutex_unlock(&s->progress_mutex);
+}
+#else
+static void vp9_free_entries(AVCodecContext *avctx) {}
+static int vp9_alloc_entries(AVCodecContext *avctx, int n) { return 0; }
+#endif
+
+static void vp9_frame_unref(AVCodecContext *avctx, VP9Frame *f)
 {
-    ff_thread_release_buffer(ctx, &f->tf);
+    ff_thread_release_buffer(avctx, &f->tf);
     av_buffer_unref(&f->extradata);
     av_buffer_unref(&f->hwaccel_priv_buf);
     f->segmentation_map = NULL;
     f->hwaccel_picture_private = NULL;
 }
 
-static int vp9_alloc_frame(AVCodecContext *ctx, VP9Frame *f)
+static int vp9_frame_alloc(AVCodecContext *avctx, VP9Frame *f)
 {
-    VP9Context *s = ctx->priv_data;
+    VP9Context *s = avctx->priv_data;
     int ret, sz;
 
-    if ((ret = ff_thread_get_buffer(ctx, &f->tf, AV_GET_BUFFER_FLAG_REF)) < 0)
+    ret = ff_thread_get_buffer(avctx, &f->tf, AV_GET_BUFFER_FLAG_REF);
+    if (ret < 0)
         return ret;
+
     sz = 64 * s->sb_cols * s->sb_rows;
-    if (!(f->extradata = av_buffer_allocz(sz * (1 + sizeof(struct VP9mvrefPair))))) {
+    f->extradata = av_buffer_allocz(sz * (1 + sizeof(VP9mvrefPair)));
+    if (!f->extradata) {
         goto fail;
     }
 
     f->segmentation_map = f->extradata->data;
-    f->mv = (struct VP9mvrefPair *) (f->extradata->data + sz);
+    f->mv = (VP9mvrefPair *) (f->extradata->data + sz);
 
-    if (ctx->hwaccel) {
-        const AVHWAccel *hwaccel = ctx->hwaccel;
+    if (avctx->hwaccel) {
+        const AVHWAccel *hwaccel = avctx->hwaccel;
         av_assert0(!f->hwaccel_picture_private);
         if (hwaccel->frame_priv_data_size) {
             f->hwaccel_priv_buf = av_buffer_allocz(hwaccel->frame_priv_data_size);
@@ -212,19 +133,21 @@ static int vp9_alloc_frame(AVCodecContext *ctx, VP9Frame *f)
     return 0;
 
 fail:
-    vp9_unref_frame(ctx, f);
+    vp9_frame_unref(avctx, f);
     return AVERROR(ENOMEM);
 }
 
-static int vp9_ref_frame(AVCodecContext *ctx, VP9Frame *dst, VP9Frame *src)
+static int vp9_frame_ref(AVCodecContext *avctx, VP9Frame *dst, VP9Frame *src)
 {
-    int res;
+    int ret;
 
-    if ((res = ff_thread_ref_frame(&dst->tf, &src->tf)) < 0) {
-        return res;
-    } else if (!(dst->extradata = av_buffer_ref(src->extradata))) {
+    ret = ff_thread_ref_frame(&dst->tf, &src->tf);
+    if (ret < 0)
+        return ret;
+
+    dst->extradata = av_buffer_ref(src->extradata);
+    if (!dst->extradata)
         goto fail;
-    }
 
     dst->segmentation_map = src->segmentation_map;
     dst->mv = src->mv;
@@ -240,44 +163,54 @@ static int vp9_ref_frame(AVCodecContext *ctx, VP9Frame *dst, VP9Frame *src)
     return 0;
 
 fail:
-    vp9_unref_frame(ctx, dst);
+    vp9_frame_unref(avctx, dst);
     return AVERROR(ENOMEM);
 }
 
-static int update_size(AVCodecContext *ctx, int w, int h)
+static int update_size(AVCodecContext *avctx, int w, int h)
 {
-#define HWACCEL_MAX (CONFIG_VP9_DXVA2_HWACCEL + CONFIG_VP9_D3D11VA_HWACCEL + CONFIG_VP9_VAAPI_HWACCEL)
+#define HWACCEL_MAX (CONFIG_VP9_DXVA2_HWACCEL + CONFIG_VP9_D3D11VA_HWACCEL * 2 + CONFIG_VP9_VAAPI_HWACCEL)
     enum AVPixelFormat pix_fmts[HWACCEL_MAX + 2], *fmtp = pix_fmts;
-    VP9Context *s = ctx->priv_data;
+    VP9Context *s = avctx->priv_data;
     uint8_t *p;
-    int bytesperpixel = s->bytesperpixel, res, cols, rows;
+    int bytesperpixel = s->bytesperpixel, ret, cols, rows;
+    int lflvl_len, i;
 
     av_assert0(w > 0 && h > 0);
 
     if (!(s->pix_fmt == s->gf_fmt && w == s->w && h == s->h)) {
-        if ((res = ff_set_dimensions(ctx, w, h)) < 0)
-            return res;
+        if ((ret = ff_set_dimensions(avctx, w, h)) < 0)
+            return ret;
 
-        if (s->pix_fmt == AV_PIX_FMT_YUV420P) {
+        switch (s->pix_fmt) {
+        case AV_PIX_FMT_YUV420P:
 #if CONFIG_VP9_DXVA2_HWACCEL
             *fmtp++ = AV_PIX_FMT_DXVA2_VLD;
 #endif
 #if CONFIG_VP9_D3D11VA_HWACCEL
             *fmtp++ = AV_PIX_FMT_D3D11VA_VLD;
+            *fmtp++ = AV_PIX_FMT_D3D11;
 #endif
 #if CONFIG_VP9_VAAPI_HWACCEL
             *fmtp++ = AV_PIX_FMT_VAAPI;
 #endif
+            break;
+        case AV_PIX_FMT_YUV420P10:
+        case AV_PIX_FMT_YUV420P12:
+#if CONFIG_VP9_VAAPI_HWACCEL
+            *fmtp++ = AV_PIX_FMT_VAAPI;
+#endif
+            break;
         }
 
         *fmtp++ = s->pix_fmt;
         *fmtp = AV_PIX_FMT_NONE;
 
-        res = ff_thread_get_format(ctx, pix_fmts);
-        if (res < 0)
-            return res;
+        ret = ff_thread_get_format(avctx, pix_fmts);
+        if (ret < 0)
+            return ret;
 
-        ctx->pix_fmt = res;
+        avctx->pix_fmt = ret;
         s->gf_fmt  = s->pix_fmt;
         s->w = w;
         s->h = h;
@@ -294,13 +227,14 @@ static int update_size(AVCodecContext *ctx, int w, int h)
     s->sb_rows   = (h + 63) >> 6;
     s->cols      = (w + 7) >> 3;
     s->rows      = (h + 7) >> 3;
+    lflvl_len    = avctx->active_thread_type == FF_THREAD_SLICE ? s->sb_rows : 1;
 
 #define assign(var, type, n) var = (type) p; p += s->sb_cols * (n) * sizeof(*var)
     av_freep(&s->intra_pred_data[0]);
     // FIXME we slightly over-allocate here for subsampled chroma, but a little
     // bit of padding shouldn't affect performance...
     p = av_malloc(s->sb_cols * (128 + 192 * bytesperpixel +
-                                sizeof(*s->lflvl) + 16 * sizeof(*s->above_mv_ctx)));
+                                lflvl_len * sizeof(*s->lflvl) + 16 * sizeof(*s->above_mv_ctx)));
     if (!p)
         return AVERROR(ENOMEM);
     assign(s->intra_pred_data[0],  uint8_t *,             64 * bytesperpixel);
@@ -319,65 +253,78 @@ static int update_size(AVCodecContext *ctx, int w, int h)
     assign(s->above_comp_ctx,      uint8_t *,              8);
     assign(s->above_ref_ctx,       uint8_t *,              8);
     assign(s->above_filter_ctx,    uint8_t *,              8);
-    assign(s->lflvl,               struct VP9Filter *,     1);
+    assign(s->lflvl,               VP9Filter *,            lflvl_len);
 #undef assign
 
-    // these will be re-allocated a little later
-    av_freep(&s->b_base);
-    av_freep(&s->block_base);
+    if (s->td) {
+        for (i = 0; i < s->active_tile_cols; i++) {
+            av_freep(&s->td[i].b_base);
+            av_freep(&s->td[i].block_base);
+        }
+    }
 
-    if (s->bpp != s->last_bpp) {
-        ff_vp9dsp_init(&s->dsp, s->bpp, ctx->flags & AV_CODEC_FLAG_BITEXACT);
-        ff_videodsp_init(&s->vdsp, s->bpp);
-        s->last_bpp = s->bpp;
+    if (s->s.h.bpp != s->last_bpp) {
+        ff_vp9dsp_init(&s->dsp, s->s.h.bpp, avctx->flags & AV_CODEC_FLAG_BITEXACT);
+        ff_videodsp_init(&s->vdsp, s->s.h.bpp);
+        s->last_bpp = s->s.h.bpp;
     }
 
     return 0;
 }
 
-static int update_block_buffers(AVCodecContext *ctx)
+static int update_block_buffers(AVCodecContext *avctx)
 {
-    VP9Context *s = ctx->priv_data;
+    int i;
+    VP9Context *s = avctx->priv_data;
     int chroma_blocks, chroma_eobs, bytesperpixel = s->bytesperpixel;
+    VP9TileData *td = &s->td[0];
 
-    if (s->b_base && s->block_base && s->block_alloc_using_2pass == s->s.frames[CUR_FRAME].uses_2pass)
+    if (td->b_base && td->block_base && s->block_alloc_using_2pass == s->s.frames[CUR_FRAME].uses_2pass)
         return 0;
 
-    av_free(s->b_base);
-    av_free(s->block_base);
+    av_free(td->b_base);
+    av_free(td->block_base);
     chroma_blocks = 64 * 64 >> (s->ss_h + s->ss_v);
     chroma_eobs   = 16 * 16 >> (s->ss_h + s->ss_v);
     if (s->s.frames[CUR_FRAME].uses_2pass) {
         int sbs = s->sb_cols * s->sb_rows;
 
-        s->b_base = av_malloc_array(s->cols * s->rows, sizeof(VP9Block));
-        s->block_base = av_mallocz(((64 * 64 + 2 * chroma_blocks) * bytesperpixel * sizeof(int16_t) +
+        td->b_base = av_malloc_array(s->cols * s->rows, sizeof(VP9Block));
+        td->block_base = av_mallocz(((64 * 64 + 2 * chroma_blocks) * bytesperpixel * sizeof(int16_t) +
                                     16 * 16 + 2 * chroma_eobs) * sbs);
-        if (!s->b_base || !s->block_base)
+        if (!td->b_base || !td->block_base)
             return AVERROR(ENOMEM);
-        s->uvblock_base[0] = s->block_base + sbs * 64 * 64 * bytesperpixel;
-        s->uvblock_base[1] = s->uvblock_base[0] + sbs * chroma_blocks * bytesperpixel;
-        s->eob_base = (uint8_t *) (s->uvblock_base[1] + sbs * chroma_blocks * bytesperpixel);
-        s->uveob_base[0] = s->eob_base + 16 * 16 * sbs;
-        s->uveob_base[1] = s->uveob_base[0] + chroma_eobs * sbs;
+        td->uvblock_base[0] = td->block_base + sbs * 64 * 64 * bytesperpixel;
+        td->uvblock_base[1] = td->uvblock_base[0] + sbs * chroma_blocks * bytesperpixel;
+        td->eob_base = (uint8_t *) (td->uvblock_base[1] + sbs * chroma_blocks * bytesperpixel);
+        td->uveob_base[0] = td->eob_base + 16 * 16 * sbs;
+        td->uveob_base[1] = td->uveob_base[0] + chroma_eobs * sbs;
     } else {
-        s->b_base = av_malloc(sizeof(VP9Block));
-        s->block_base = av_mallocz((64 * 64 + 2 * chroma_blocks) * bytesperpixel * sizeof(int16_t) +
-                                   16 * 16 + 2 * chroma_eobs);
-        if (!s->b_base || !s->block_base)
-            return AVERROR(ENOMEM);
-        s->uvblock_base[0] = s->block_base + 64 * 64 * bytesperpixel;
-        s->uvblock_base[1] = s->uvblock_base[0] + chroma_blocks * bytesperpixel;
-        s->eob_base = (uint8_t *) (s->uvblock_base[1] + chroma_blocks * bytesperpixel);
-        s->uveob_base[0] = s->eob_base + 16 * 16;
-        s->uveob_base[1] = s->uveob_base[0] + chroma_eobs;
+        for (i = 1; i < s->active_tile_cols; i++) {
+            if (s->td[i].b_base && s->td[i].block_base) {
+                av_free(s->td[i].b_base);
+                av_free(s->td[i].block_base);
+            }
+        }
+        for (i = 0; i < s->active_tile_cols; i++) {
+            s->td[i].b_base = av_malloc(sizeof(VP9Block));
+            s->td[i].block_base = av_mallocz((64 * 64 + 2 * chroma_blocks) * bytesperpixel * sizeof(int16_t) +
+                                       16 * 16 + 2 * chroma_eobs);
+            if (!s->td[i].b_base || !s->td[i].block_base)
+                return AVERROR(ENOMEM);
+            s->td[i].uvblock_base[0] = s->td[i].block_base + 64 * 64 * bytesperpixel;
+            s->td[i].uvblock_base[1] = s->td[i].uvblock_base[0] + chroma_blocks * bytesperpixel;
+            s->td[i].eob_base = (uint8_t *) (s->td[i].uvblock_base[1] + chroma_blocks * bytesperpixel);
+            s->td[i].uveob_base[0] = s->td[i].eob_base + 16 * 16;
+            s->td[i].uveob_base[1] = s->td[i].uveob_base[0] + chroma_eobs;
+        }
     }
     s->block_alloc_using_2pass = s->s.frames[CUR_FRAME].uses_2pass;
 
     return 0;
 }
 
-// for some reason the sign bit is at the end, not the start, of a bit sequence
+// The sign bit is at the end, not the start, of a bit sequence
 static av_always_inline int get_sbits_inv(GetBitContext *gb, int n)
 {
     int v = get_bits(gb, n);
@@ -386,7 +333,11 @@ static av_always_inline int get_sbits_inv(GetBitContext *gb, int n)
 
 static av_always_inline int inv_recenter_nonneg(int v, int m)
 {
-    return v > 2 * m ? v : v & 1 ? m - ((v + 1) >> 1) : m + (v >> 1);
+    if (v > 2 * m)
+        return v;
+    if (v & 1)
+        return m - ((v + 1) >> 1);
+    return m + (v >> 1);
 }
 
 // differential forward probability updates
@@ -417,13 +368,13 @@ static int update_prob(VP56RangeCoder *c, int p)
 
     /* This code is trying to do a differential probability update. For a
      * current probability A in the range [1, 255], the difference to a new
-     * probability of any value can be expressed differentially as 1-A,255-A
+     * probability of any value can be expressed differentially as 1-A, 255-A
      * where some part of this (absolute range) exists both in positive as
      * well as the negative part, whereas another part only exists in one
      * half. We're trying to code this shared part differentially, i.e.
      * times two where the value of the lowest bit specifies the sign, and
      * the single part is then coded on top of this. This absolute difference
-     * then again has a value of [0,254], but a bigger value in this range
+     * then again has a value of [0, 254], but a bigger value in this range
      * indicates that we're further away from the original value A, so we
      * can code this as a VLC code, since higher values are increasingly
      * unlikely. The first 20 values in inv_map_table[] allow 'cheap, rough'
@@ -448,34 +399,34 @@ static int update_prob(VP56RangeCoder *c, int p)
                     255 - inv_recenter_nonneg(inv_map_table[d], 255 - p);
 }
 
-static int read_colorspace_details(AVCodecContext *ctx)
+static int read_colorspace_details(AVCodecContext *avctx)
 {
     static const enum AVColorSpace colorspaces[8] = {
         AVCOL_SPC_UNSPECIFIED, AVCOL_SPC_BT470BG, AVCOL_SPC_BT709, AVCOL_SPC_SMPTE170M,
         AVCOL_SPC_SMPTE240M, AVCOL_SPC_BT2020_NCL, AVCOL_SPC_RESERVED, AVCOL_SPC_RGB,
     };
-    VP9Context *s = ctx->priv_data;
-    int bits = ctx->profile <= 1 ? 0 : 1 + get_bits1(&s->gb); // 0:8, 1:10, 2:12
+    VP9Context *s = avctx->priv_data;
+    int bits = avctx->profile <= 1 ? 0 : 1 + get_bits1(&s->gb); // 0:8, 1:10, 2:12
 
     s->bpp_index = bits;
-    s->bpp = 8 + bits * 2;
-    s->bytesperpixel = (7 + s->bpp) >> 3;
-    ctx->colorspace = colorspaces[get_bits(&s->gb, 3)];
-    if (ctx->colorspace == AVCOL_SPC_RGB) { // RGB = profile 1
+    s->s.h.bpp = 8 + bits * 2;
+    s->bytesperpixel = (7 + s->s.h.bpp) >> 3;
+    avctx->colorspace = colorspaces[get_bits(&s->gb, 3)];
+    if (avctx->colorspace == AVCOL_SPC_RGB) { // RGB = profile 1
         static const enum AVPixelFormat pix_fmt_rgb[3] = {
             AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRP10, AV_PIX_FMT_GBRP12
         };
         s->ss_h = s->ss_v = 0;
-        ctx->color_range = AVCOL_RANGE_JPEG;
+        avctx->color_range = AVCOL_RANGE_JPEG;
         s->pix_fmt = pix_fmt_rgb[bits];
-        if (ctx->profile & 1) {
+        if (avctx->profile & 1) {
             if (get_bits1(&s->gb)) {
-                av_log(ctx, AV_LOG_ERROR, "Reserved bit set in RGB\n");
+                av_log(avctx, AV_LOG_ERROR, "Reserved bit set in RGB\n");
                 return AVERROR_INVALIDDATA;
             }
         } else {
-            av_log(ctx, AV_LOG_ERROR, "RGB not supported in profile %d\n",
-                   ctx->profile);
+            av_log(avctx, AV_LOG_ERROR, "RGB not supported in profile %d\n",
+                   avctx->profile);
             return AVERROR_INVALIDDATA;
         }
     } else {
@@ -487,18 +438,18 @@ static int read_colorspace_details(AVCodecContext *ctx)
             { { AV_PIX_FMT_YUV444P12, AV_PIX_FMT_YUV422P12 },
               { AV_PIX_FMT_YUV440P12, AV_PIX_FMT_YUV420P12 } }
         };
-        ctx->color_range = get_bits1(&s->gb) ? AVCOL_RANGE_JPEG : AVCOL_RANGE_MPEG;
-        if (ctx->profile & 1) {
+        avctx->color_range = get_bits1(&s->gb) ? AVCOL_RANGE_JPEG : AVCOL_RANGE_MPEG;
+        if (avctx->profile & 1) {
             s->ss_h = get_bits1(&s->gb);
             s->ss_v = get_bits1(&s->gb);
             s->pix_fmt = pix_fmt_for_ss[bits][s->ss_v][s->ss_h];
             if (s->pix_fmt == AV_PIX_FMT_YUV420P) {
-                av_log(ctx, AV_LOG_ERROR, "YUV 4:2:0 not supported in profile %d\n",
-                       ctx->profile);
+                av_log(avctx, AV_LOG_ERROR, "YUV 4:2:0 not supported in profile %d\n",
+                       avctx->profile);
                 return AVERROR_INVALIDDATA;
             } else if (get_bits1(&s->gb)) {
-                av_log(ctx, AV_LOG_ERROR, "Profile %d color details reserved bit set\n",
-                       ctx->profile);
+                av_log(avctx, AV_LOG_ERROR, "Profile %d color details reserved bit set\n",
+                       avctx->profile);
                 return AVERROR_INVALIDDATA;
             }
         } else {
@@ -510,48 +461,51 @@ static int read_colorspace_details(AVCodecContext *ctx)
     return 0;
 }
 
-static int decode_frame_header(AVCodecContext *ctx,
+static int decode_frame_header(AVCodecContext *avctx,
                                const uint8_t *data, int size, int *ref)
 {
-    VP9Context *s = ctx->priv_data;
-    int c, i, j, k, l, m, n, w, h, max, size2, res, sharp;
+    VP9Context *s = avctx->priv_data;
+    int c, i, j, k, l, m, n, w, h, max, size2, ret, sharp;
     int last_invisible;
     const uint8_t *data2;
 
     /* general header */
-    if ((res = init_get_bits8(&s->gb, data, size)) < 0) {
-        av_log(ctx, AV_LOG_ERROR, "Failed to initialize bitstream reader\n");
-        return res;
+    if ((ret = init_get_bits8(&s->gb, data, size)) < 0) {
+        av_log(avctx, AV_LOG_ERROR, "Failed to initialize bitstream reader\n");
+        return ret;
     }
     if (get_bits(&s->gb, 2) != 0x2) { // frame marker
-        av_log(ctx, AV_LOG_ERROR, "Invalid frame marker\n");
+        av_log(avctx, AV_LOG_ERROR, "Invalid frame marker\n");
         return AVERROR_INVALIDDATA;
     }
-    ctx->profile  = get_bits1(&s->gb);
-    ctx->profile |= get_bits1(&s->gb) << 1;
-    if (ctx->profile == 3) ctx->profile += get_bits1(&s->gb);
-    if (ctx->profile > 3) {
-        av_log(ctx, AV_LOG_ERROR, "Profile %d is not yet supported\n", ctx->profile);
+    avctx->profile  = get_bits1(&s->gb);
+    avctx->profile |= get_bits1(&s->gb) << 1;
+    if (avctx->profile == 3) avctx->profile += get_bits1(&s->gb);
+    if (avctx->profile > 3) {
+        av_log(avctx, AV_LOG_ERROR, "Profile %d is not yet supported\n", avctx->profile);
         return AVERROR_INVALIDDATA;
     }
-    s->s.h.profile = ctx->profile;
+    s->s.h.profile = avctx->profile;
     if (get_bits1(&s->gb)) {
         *ref = get_bits(&s->gb, 3);
         return 0;
     }
+
     s->last_keyframe  = s->s.h.keyframe;
-    s->s.h.keyframe     = !get_bits1(&s->gb);
-    last_invisible    = s->s.h.invisible;
-    s->s.h.invisible    = !get_bits1(&s->gb);
-    s->s.h.errorres     = get_bits1(&s->gb);
+    s->s.h.keyframe   = !get_bits1(&s->gb);
+
+    last_invisible   = s->s.h.invisible;
+    s->s.h.invisible = !get_bits1(&s->gb);
+    s->s.h.errorres  = get_bits1(&s->gb);
     s->s.h.use_last_frame_mvs = !s->s.h.errorres && !last_invisible;
+
     if (s->s.h.keyframe) {
         if (get_bits_long(&s->gb, 24) != VP9_SYNCCODE) { // synccode
-            av_log(ctx, AV_LOG_ERROR, "Invalid sync code\n");
+            av_log(avctx, AV_LOG_ERROR, "Invalid sync code\n");
             return AVERROR_INVALIDDATA;
         }
-        if ((res = read_colorspace_details(ctx)) < 0)
-            return res;
+        if ((ret = read_colorspace_details(avctx)) < 0)
+            return ret;
         // for profile 1, here follows the subsampling bits
         s->s.h.refreshrefmask = 0xff;
         w = get_bits(&s->gb, 16) + 1;
@@ -559,24 +513,24 @@ static int decode_frame_header(AVCodecContext *ctx,
         if (get_bits1(&s->gb)) // display size
             skip_bits(&s->gb, 32);
     } else {
-        s->s.h.intraonly  = s->s.h.invisible ? get_bits1(&s->gb) : 0;
-        s->s.h.resetctx   = s->s.h.errorres ? 0 : get_bits(&s->gb, 2);
+        s->s.h.intraonly = s->s.h.invisible ? get_bits1(&s->gb) : 0;
+        s->s.h.resetctx  = s->s.h.errorres ? 0 : get_bits(&s->gb, 2);
         if (s->s.h.intraonly) {
             if (get_bits_long(&s->gb, 24) != VP9_SYNCCODE) { // synccode
-                av_log(ctx, AV_LOG_ERROR, "Invalid sync code\n");
+                av_log(avctx, AV_LOG_ERROR, "Invalid sync code\n");
                 return AVERROR_INVALIDDATA;
             }
-            if (ctx->profile >= 1) {
-                if ((res = read_colorspace_details(ctx)) < 0)
-                    return res;
+            if (avctx->profile >= 1) {
+                if ((ret = read_colorspace_details(avctx)) < 0)
+                    return ret;
             } else {
                 s->ss_h = s->ss_v = 1;
-                s->bpp = 8;
+                s->s.h.bpp = 8;
                 s->bpp_index = 0;
                 s->bytesperpixel = 1;
                 s->pix_fmt = AV_PIX_FMT_YUV420P;
-                ctx->colorspace = AVCOL_SPC_BT470BG;
-                ctx->color_range = AVCOL_RANGE_JPEG;
+                avctx->colorspace = AVCOL_SPC_BT470BG;
+                avctx->color_range = AVCOL_RANGE_MPEG;
             }
             s->s.h.refreshrefmask = get_bits(&s->gb, 8);
             w = get_bits(&s->gb, 16) + 1;
@@ -594,7 +548,7 @@ static int decode_frame_header(AVCodecContext *ctx,
             if (!s->s.refs[s->s.h.refidx[0]].f->buf[0] ||
                 !s->s.refs[s->s.h.refidx[1]].f->buf[0] ||
                 !s->s.refs[s->s.h.refidx[2]].f->buf[0]) {
-                av_log(ctx, AV_LOG_ERROR, "Not all references are available\n");
+                av_log(avctx, AV_LOG_ERROR, "Not all references are available\n");
                 return AVERROR_INVALIDDATA;
             }
             if (get_bits1(&s->gb)) {
@@ -660,8 +614,20 @@ static int decode_frame_header(AVCodecContext *ctx,
     sharp = get_bits(&s->gb, 3);
     // if sharpness changed, reinit lim/mblim LUTs. if it didn't change, keep
     // the old cache values since they are still valid
-    if (s->s.h.filter.sharpness != sharp)
-        memset(s->filter_lut.lim_lut, 0, sizeof(s->filter_lut.lim_lut));
+    if (s->s.h.filter.sharpness != sharp) {
+        for (i = 1; i <= 63; i++) {
+            int limit = i;
+
+            if (sharp > 0) {
+                limit >>= (sharp + 3) >> 2;
+                limit = FFMIN(limit, 9 - sharp);
+            }
+            limit = FFMAX(limit, 1);
+
+            s->filter_lut.lim_lut[i] = limit;
+            s->filter_lut.mblim_lut[i] = 2 * (i + 2) + limit;
+        }
+    }
     s->s.h.filter.sharpness = sharp;
     if ((s->s.h.lf_delta.enabled = get_bits1(&s->gb))) {
         if ((s->s.h.lf_delta.updated = get_bits1(&s->gb))) {
@@ -682,7 +648,7 @@ static int decode_frame_header(AVCodecContext *ctx,
     s->s.h.lossless    = s->s.h.yac_qi == 0 && s->s.h.ydc_qdelta == 0 &&
                        s->s.h.uvdc_qdelta == 0 && s->s.h.uvac_qdelta == 0;
     if (s->s.h.lossless)
-        ctx->properties |= FF_CODEC_PROPERTY_LOSSLESS;
+        avctx->properties |= FF_CODEC_PROPERTY_LOSSLESS;
 
     /* segmentation header info */
     if ((s->s.h.segmentation.enabled = get_bits1(&s->gb))) {
@@ -690,11 +656,10 @@ static int decode_frame_header(AVCodecContext *ctx,
             for (i = 0; i < 7; i++)
                 s->s.h.segmentation.prob[i] = get_bits1(&s->gb) ?
                                  get_bits(&s->gb, 8) : 255;
-            if ((s->s.h.segmentation.temporal = get_bits1(&s->gb))) {
+            if ((s->s.h.segmentation.temporal = get_bits1(&s->gb)))
                 for (i = 0; i < 3; i++)
                     s->s.h.segmentation.pred_prob[i] = get_bits1(&s->gb) ?
                                          get_bits(&s->gb, 8) : 255;
-            }
         }
 
         if (get_bits1(&s->gb)) {
@@ -728,10 +693,10 @@ static int decode_frame_header(AVCodecContext *ctx,
         quvac = av_clip_uintp2(qyac + s->s.h.uvac_qdelta, 8);
         qyac  = av_clip_uintp2(qyac, 8);
 
-        s->s.h.segmentation.feat[i].qmul[0][0] = vp9_dc_qlookup[s->bpp_index][qydc];
-        s->s.h.segmentation.feat[i].qmul[0][1] = vp9_ac_qlookup[s->bpp_index][qyac];
-        s->s.h.segmentation.feat[i].qmul[1][0] = vp9_dc_qlookup[s->bpp_index][quvdc];
-        s->s.h.segmentation.feat[i].qmul[1][1] = vp9_ac_qlookup[s->bpp_index][quvac];
+        s->s.h.segmentation.feat[i].qmul[0][0] = ff_vp9_dc_qlookup[s->bpp_index][qydc];
+        s->s.h.segmentation.feat[i].qmul[0][1] = ff_vp9_ac_qlookup[s->bpp_index][qyac];
+        s->s.h.segmentation.feat[i].qmul[1][0] = ff_vp9_dc_qlookup[s->bpp_index][quvdc];
+        s->s.h.segmentation.feat[i].qmul[1][1] = ff_vp9_ac_qlookup[s->bpp_index][quvac];
 
         sh = s->s.h.filter.level >= 32;
         if (s->s.h.segmentation.enabled && s->s.h.segmentation.feat[i].lf_enabled) {
@@ -761,10 +726,10 @@ static int decode_frame_header(AVCodecContext *ctx,
     }
 
     /* tiling info */
-    if ((res = update_size(ctx, w, h)) < 0) {
-        av_log(ctx, AV_LOG_ERROR, "Failed to initialize decoder for %dx%d @ %d\n",
+    if ((ret = update_size(avctx, w, h)) < 0) {
+        av_log(avctx, AV_LOG_ERROR, "Failed to initialize decoder for %dx%d @ %d\n",
                w, h, s->pix_fmt);
-        return res;
+        return ret;
     }
     for (s->s.h.tiling.log2_tile_cols = 0;
          s->sb_cols > (64 << s->s.h.tiling.log2_tile_cols);
@@ -780,12 +745,36 @@ static int decode_frame_header(AVCodecContext *ctx,
     s->s.h.tiling.log2_tile_rows = decode012(&s->gb);
     s->s.h.tiling.tile_rows = 1 << s->s.h.tiling.log2_tile_rows;
     if (s->s.h.tiling.tile_cols != (1 << s->s.h.tiling.log2_tile_cols)) {
+        int n_range_coders;
+        VP56RangeCoder *rc;
+
+        if (s->td) {
+            for (i = 0; i < s->active_tile_cols; i++) {
+                av_free(s->td[i].b_base);
+                av_free(s->td[i].block_base);
+            }
+            av_free(s->td);
+        }
+
         s->s.h.tiling.tile_cols = 1 << s->s.h.tiling.log2_tile_cols;
-        s->c_b = av_fast_realloc(s->c_b, &s->c_b_size,
-                                 sizeof(VP56RangeCoder) * s->s.h.tiling.tile_cols);
-        if (!s->c_b) {
-            av_log(ctx, AV_LOG_ERROR, "Ran out of memory during range coder init\n");
+        vp9_free_entries(avctx);
+        s->active_tile_cols = avctx->active_thread_type == FF_THREAD_SLICE ?
+                              s->s.h.tiling.tile_cols : 1;
+        vp9_alloc_entries(avctx, s->sb_rows);
+        if (avctx->active_thread_type == FF_THREAD_SLICE) {
+            n_range_coders = 4; // max_tile_rows
+        } else {
+            n_range_coders = s->s.h.tiling.tile_cols;
+        }
+        s->td = av_mallocz_array(s->active_tile_cols, sizeof(VP9TileData) +
+                                 n_range_coders * sizeof(VP56RangeCoder));
+        if (!s->td)
             return AVERROR(ENOMEM);
+        rc = (VP56RangeCoder *) &s->td[s->active_tile_cols];
+        for (i = 0; i < s->active_tile_cols; i++) {
+            s->td[i].s = s;
+            s->td[i].c_b = rc;
+            rc += n_range_coders;
         }
     }
 
@@ -795,17 +784,17 @@ static int decode_frame_header(AVCodecContext *ctx,
             AVFrame *ref = s->s.refs[s->s.h.refidx[i]].f;
             int refw = ref->width, refh = ref->height;
 
-            if (ref->format != ctx->pix_fmt) {
-                av_log(ctx, AV_LOG_ERROR,
+            if (ref->format != avctx->pix_fmt) {
+                av_log(avctx, AV_LOG_ERROR,
                        "Ref pixfmt (%s) did not match current frame (%s)",
                        av_get_pix_fmt_name(ref->format),
-                       av_get_pix_fmt_name(ctx->pix_fmt));
+                       av_get_pix_fmt_name(avctx->pix_fmt));
                 return AVERROR_INVALIDDATA;
             } else if (refw == w && refh == h) {
                 s->mvscale[i][0] = s->mvscale[i][1] = 0;
             } else {
                 if (w * 2 < refw || h * 2 < refh || w > 16 * refw || h > 16 * refh) {
-                    av_log(ctx, AV_LOG_ERROR,
+                    av_log(avctx, AV_LOG_ERROR,
                            "Invalid ref frame dimensions %dx%d for frame size %dx%d\n",
                            refw, refh, w, h);
                     return AVERROR_INVALIDDATA;
@@ -820,19 +809,19 @@ static int decode_frame_header(AVCodecContext *ctx,
 
     if (s->s.h.keyframe || s->s.h.errorres || (s->s.h.intraonly && s->s.h.resetctx == 3)) {
         s->prob_ctx[0].p = s->prob_ctx[1].p = s->prob_ctx[2].p =
-                           s->prob_ctx[3].p = vp9_default_probs;
-        memcpy(s->prob_ctx[0].coef, vp9_default_coef_probs,
-               sizeof(vp9_default_coef_probs));
-        memcpy(s->prob_ctx[1].coef, vp9_default_coef_probs,
-               sizeof(vp9_default_coef_probs));
-        memcpy(s->prob_ctx[2].coef, vp9_default_coef_probs,
-               sizeof(vp9_default_coef_probs));
-        memcpy(s->prob_ctx[3].coef, vp9_default_coef_probs,
-               sizeof(vp9_default_coef_probs));
+                           s->prob_ctx[3].p = ff_vp9_default_probs;
+        memcpy(s->prob_ctx[0].coef, ff_vp9_default_coef_probs,
+               sizeof(ff_vp9_default_coef_probs));
+        memcpy(s->prob_ctx[1].coef, ff_vp9_default_coef_probs,
+               sizeof(ff_vp9_default_coef_probs));
+        memcpy(s->prob_ctx[2].coef, ff_vp9_default_coef_probs,
+               sizeof(ff_vp9_default_coef_probs));
+        memcpy(s->prob_ctx[3].coef, ff_vp9_default_coef_probs,
+               sizeof(ff_vp9_default_coef_probs));
     } else if (s->s.h.intraonly && s->s.h.resetctx == 2) {
-        s->prob_ctx[c].p = vp9_default_probs;
-        memcpy(s->prob_ctx[c].coef, vp9_default_coef_probs,
-               sizeof(vp9_default_coef_probs));
+        s->prob_ctx[c].p = ff_vp9_default_probs;
+        memcpy(s->prob_ctx[c].coef, ff_vp9_default_coef_probs,
+               sizeof(ff_vp9_default_coef_probs));
     }
 
     // next 16 bits is size of the rest of the header (arith-coded)
@@ -841,24 +830,30 @@ static int decode_frame_header(AVCodecContext *ctx,
 
     data2 = align_get_bits(&s->gb);
     if (size2 > size - (data2 - data)) {
-        av_log(ctx, AV_LOG_ERROR, "Invalid compressed header size\n");
+        av_log(avctx, AV_LOG_ERROR, "Invalid compressed header size\n");
         return AVERROR_INVALIDDATA;
     }
-    ff_vp56_init_range_decoder(&s->c, data2, size2);
+    ret = ff_vp56_init_range_decoder(&s->c, data2, size2);
+    if (ret < 0)
+        return ret;
+
     if (vp56_rac_get_prob_branchy(&s->c, 128)) { // marker bit
-        av_log(ctx, AV_LOG_ERROR, "Marker bit was set\n");
+        av_log(avctx, AV_LOG_ERROR, "Marker bit was set\n");
         return AVERROR_INVALIDDATA;
     }
 
-    if (s->s.h.keyframe || s->s.h.intraonly) {
-        memset(s->counts.coef, 0, sizeof(s->counts.coef));
-        memset(s->counts.eob,  0, sizeof(s->counts.eob));
-    } else {
-        memset(&s->counts, 0, sizeof(s->counts));
+    for (i = 0; i < s->active_tile_cols; i++) {
+        if (s->s.h.keyframe || s->s.h.intraonly) {
+            memset(s->td[i].counts.coef, 0, sizeof(s->td[0].counts.coef));
+            memset(s->td[i].counts.eob,  0, sizeof(s->td[0].counts.eob));
+        } else {
+            memset(&s->td[i].counts, 0, sizeof(s->td[0].counts));
+        }
     }
-    // FIXME is it faster to not copy here, but do it down in the fw updates
-    // as explicit copies if the fw update is missing (and skip the copy upon
-    // fw update)?
+
+    /* FIXME is it faster to not copy here, but do it down in the fw updates
+     * as explicit copies if the fw update is missing (and skip the copy upon
+     * fw update)? */
     s->prob.p = s->prob_ctx[c].p;
 
     // txfm updates
@@ -899,13 +894,12 @@ static int decode_frame_header(AVCodecContext *ctx,
                             if (m >= 3 && l == 0) // dc only has 3 pt
                                 break;
                             for (n = 0; n < 3; n++) {
-                                if (vp56_rac_get_prob_branchy(&s->c, 252)) {
+                                if (vp56_rac_get_prob_branchy(&s->c, 252))
                                     p[n] = update_prob(&s->c, r[n]);
-                                } else {
+                                else
                                     p[n] = r[n];
-                                }
                             }
-                            p[3] = 0;
+                            memcpy(&p[3], ff_vp9_model_pareto8[p[2]], 8);
                         }
         } else {
             for (j = 0; j < 2; j++)
@@ -917,7 +911,7 @@ static int decode_frame_header(AVCodecContext *ctx,
                             if (m > 3 && l == 0) // dc only has 3 pt
                                 break;
                             memcpy(p, r, 3);
-                            p[3] = 0;
+                            memcpy(&p[3], ff_vp9_model_pareto8[p[2]], 8);
                         }
         }
         if (s->s.h.txfmmode == i)
@@ -988,7 +982,8 @@ static int decode_frame_header(AVCodecContext *ctx,
                 for (k = 0; k < 3; k++)
                     if (vp56_rac_get_prob_branchy(&s->c, 252))
                         s->prob.p.partition[3 - i][j][k] =
-                            update_prob(&s->c, s->prob.p.partition[3 - i][j][k]);
+                            update_prob(&s->c,
+                                        s->prob.p.partition[3 - i][j][k]);
 
         // mv fields don't use the update_prob subexp model for some reason
         for (i = 0; i < 3; i++)
@@ -997,7 +992,8 @@ static int decode_frame_header(AVCodecContext *ctx,
 
         for (i = 0; i < 2; i++) {
             if (vp56_rac_get_prob_branchy(&s->c, 252))
-                s->prob.p.mv_comp[i].sign = (vp8_rac_get_uint(&s->c, 7) << 1) | 1;
+                s->prob.p.mv_comp[i].sign =
+                    (vp8_rac_get_uint(&s->c, 7) << 1) | 1;
 
             for (j = 0; j < 10; j++)
                 if (vp56_rac_get_prob_branchy(&s->c, 252))
@@ -1005,7 +1001,8 @@ static int decode_frame_header(AVCodecContext *ctx,
                         (vp8_rac_get_uint(&s->c, 7) << 1) | 1;
 
             if (vp56_rac_get_prob_branchy(&s->c, 252))
-                s->prob.p.mv_comp[i].class0 = (vp8_rac_get_uint(&s->c, 7) << 1) | 1;
+                s->prob.p.mv_comp[i].class0 =
+                    (vp8_rac_get_uint(&s->c, 7) << 1) | 1;
 
             for (j = 0; j < 10; j++)
                 if (vp56_rac_get_prob_branchy(&s->c, 252))
@@ -1042,2354 +1039,13 @@ static int decode_frame_header(AVCodecContext *ctx,
     return (data2 - data) + size2;
 }
 
-static av_always_inline void clamp_mv(VP56mv *dst, const VP56mv *src,
-                                      VP9Context *s)
-{
-    dst->x = av_clip(src->x, s->min_mv.x, s->max_mv.x);
-    dst->y = av_clip(src->y, s->min_mv.y, s->max_mv.y);
-}
-
-static void find_ref_mvs(VP9Context *s,
-                         VP56mv *pmv, int ref, int z, int idx, int sb)
-{
-    static const int8_t mv_ref_blk_off[N_BS_SIZES][8][2] = {
-        [BS_64x64] = {{  3, -1 }, { -1,  3 }, {  4, -1 }, { -1,  4 },
-                      { -1, -1 }, {  0, -1 }, { -1,  0 }, {  6, -1 }},
-        [BS_64x32] = {{  0, -1 }, { -1,  0 }, {  4, -1 }, { -1,  2 },
-                      { -1, -1 }, {  0, -3 }, { -3,  0 }, {  2, -1 }},
-        [BS_32x64] = {{ -1,  0 }, {  0, -1 }, { -1,  4 }, {  2, -1 },
-                      { -1, -1 }, { -3,  0 }, {  0, -3 }, { -1,  2 }},
-        [BS_32x32] = {{  1, -1 }, { -1,  1 }, {  2, -1 }, { -1,  2 },
-                      { -1, -1 }, {  0, -3 }, { -3,  0 }, { -3, -3 }},
-        [BS_32x16] = {{  0, -1 }, { -1,  0 }, {  2, -1 }, { -1, -1 },
-                      { -1,  1 }, {  0, -3 }, { -3,  0 }, { -3, -3 }},
-        [BS_16x32] = {{ -1,  0 }, {  0, -1 }, { -1,  2 }, { -1, -1 },
-                      {  1, -1 }, { -3,  0 }, {  0, -3 }, { -3, -3 }},
-        [BS_16x16] = {{  0, -1 }, { -1,  0 }, {  1, -1 }, { -1,  1 },
-                      { -1, -1 }, {  0, -3 }, { -3,  0 }, { -3, -3 }},
-        [BS_16x8]  = {{  0, -1 }, { -1,  0 }, {  1, -1 }, { -1, -1 },
-                      {  0, -2 }, { -2,  0 }, { -2, -1 }, { -1, -2 }},
-        [BS_8x16]  = {{ -1,  0 }, {  0, -1 }, { -1,  1 }, { -1, -1 },
-                      { -2,  0 }, {  0, -2 }, { -1, -2 }, { -2, -1 }},
-        [BS_8x8]   = {{  0, -1 }, { -1,  0 }, { -1, -1 }, {  0, -2 },
-                      { -2,  0 }, { -1, -2 }, { -2, -1 }, { -2, -2 }},
-        [BS_8x4]   = {{  0, -1 }, { -1,  0 }, { -1, -1 }, {  0, -2 },
-                      { -2,  0 }, { -1, -2 }, { -2, -1 }, { -2, -2 }},
-        [BS_4x8]   = {{  0, -1 }, { -1,  0 }, { -1, -1 }, {  0, -2 },
-                      { -2,  0 }, { -1, -2 }, { -2, -1 }, { -2, -2 }},
-        [BS_4x4]   = {{  0, -1 }, { -1,  0 }, { -1, -1 }, {  0, -2 },
-                      { -2,  0 }, { -1, -2 }, { -2, -1 }, { -2, -2 }},
-    };
-    VP9Block *b = s->b;
-    int row = s->row, col = s->col, row7 = s->row7;
-    const int8_t (*p)[2] = mv_ref_blk_off[b->bs];
-#define INVALID_MV 0x80008000U
-    uint32_t mem = INVALID_MV, mem_sub8x8 = INVALID_MV;
-    int i;
-
-#define RETURN_DIRECT_MV(mv) \
-    do { \
-        uint32_t m = AV_RN32A(&mv); \
-        if (!idx) { \
-            AV_WN32A(pmv, m); \
-            return; \
-        } else if (mem == INVALID_MV) { \
-            mem = m; \
-        } else if (m != mem) { \
-            AV_WN32A(pmv, m); \
-            return; \
-        } \
-    } while (0)
-
-    if (sb >= 0) {
-        if (sb == 2 || sb == 1) {
-            RETURN_DIRECT_MV(b->mv[0][z]);
-        } else if (sb == 3) {
-            RETURN_DIRECT_MV(b->mv[2][z]);
-            RETURN_DIRECT_MV(b->mv[1][z]);
-            RETURN_DIRECT_MV(b->mv[0][z]);
-        }
-
-#define RETURN_MV(mv) \
-    do { \
-        if (sb > 0) { \
-            VP56mv tmp; \
-            uint32_t m; \
-            av_assert2(idx == 1); \
-            av_assert2(mem != INVALID_MV); \
-            if (mem_sub8x8 == INVALID_MV) { \
-                clamp_mv(&tmp, &mv, s); \
-                m = AV_RN32A(&tmp); \
-                if (m != mem) { \
-                    AV_WN32A(pmv, m); \
-                    return; \
-                } \
-                mem_sub8x8 = AV_RN32A(&mv); \
-            } else if (mem_sub8x8 != AV_RN32A(&mv)) { \
-                clamp_mv(&tmp, &mv, s); \
-                m = AV_RN32A(&tmp); \
-                if (m != mem) { \
-                    AV_WN32A(pmv, m); \
-                } else { \
-                    /* BUG I'm pretty sure this isn't the intention */ \
-                    AV_WN32A(pmv, 0); \
-                } \
-                return; \
-            } \
-        } else { \
-            uint32_t m = AV_RN32A(&mv); \
-            if (!idx) { \
-                clamp_mv(pmv, &mv, s); \
-                return; \
-            } else if (mem == INVALID_MV) { \
-                mem = m; \
-            } else if (m != mem) { \
-                clamp_mv(pmv, &mv, s); \
-                return; \
-            } \
-        } \
-    } while (0)
-
-        if (row > 0) {
-            struct VP9mvrefPair *mv = &s->s.frames[CUR_FRAME].mv[(row - 1) * s->sb_cols * 8 + col];
-            if (mv->ref[0] == ref) {
-                RETURN_MV(s->above_mv_ctx[2 * col + (sb & 1)][0]);
-            } else if (mv->ref[1] == ref) {
-                RETURN_MV(s->above_mv_ctx[2 * col + (sb & 1)][1]);
-            }
-        }
-        if (col > s->tile_col_start) {
-            struct VP9mvrefPair *mv = &s->s.frames[CUR_FRAME].mv[row * s->sb_cols * 8 + col - 1];
-            if (mv->ref[0] == ref) {
-                RETURN_MV(s->left_mv_ctx[2 * row7 + (sb >> 1)][0]);
-            } else if (mv->ref[1] == ref) {
-                RETURN_MV(s->left_mv_ctx[2 * row7 + (sb >> 1)][1]);
-            }
-        }
-        i = 2;
-    } else {
-        i = 0;
-    }
-
-    // previously coded MVs in this neighbourhood, using same reference frame
-    for (; i < 8; i++) {
-        int c = p[i][0] + col, r = p[i][1] + row;
-
-        if (c >= s->tile_col_start && c < s->cols && r >= 0 && r < s->rows) {
-            struct VP9mvrefPair *mv = &s->s.frames[CUR_FRAME].mv[r * s->sb_cols * 8 + c];
-
-            if (mv->ref[0] == ref) {
-                RETURN_MV(mv->mv[0]);
-            } else if (mv->ref[1] == ref) {
-                RETURN_MV(mv->mv[1]);
-            }
-        }
-    }
-
-    // MV at this position in previous frame, using same reference frame
-    if (s->s.h.use_last_frame_mvs) {
-        struct VP9mvrefPair *mv = &s->s.frames[REF_FRAME_MVPAIR].mv[row * s->sb_cols * 8 + col];
-
-        if (!s->s.frames[REF_FRAME_MVPAIR].uses_2pass)
-            ff_thread_await_progress(&s->s.frames[REF_FRAME_MVPAIR].tf, row >> 3, 0);
-        if (mv->ref[0] == ref) {
-            RETURN_MV(mv->mv[0]);
-        } else if (mv->ref[1] == ref) {
-            RETURN_MV(mv->mv[1]);
-        }
-    }
-
-#define RETURN_SCALE_MV(mv, scale) \
-    do { \
-        if (scale) { \
-            VP56mv mv_temp = { -mv.x, -mv.y }; \
-            RETURN_MV(mv_temp); \
-        } else { \
-            RETURN_MV(mv); \
-        } \
-    } while (0)
-
-    // previously coded MVs in this neighbourhood, using different reference frame
-    for (i = 0; i < 8; i++) {
-        int c = p[i][0] + col, r = p[i][1] + row;
-
-        if (c >= s->tile_col_start && c < s->cols && r >= 0 && r < s->rows) {
-            struct VP9mvrefPair *mv = &s->s.frames[CUR_FRAME].mv[r * s->sb_cols * 8 + c];
-
-            if (mv->ref[0] != ref && mv->ref[0] >= 0) {
-                RETURN_SCALE_MV(mv->mv[0], s->s.h.signbias[mv->ref[0]] != s->s.h.signbias[ref]);
-            }
-            if (mv->ref[1] != ref && mv->ref[1] >= 0 &&
-                // BUG - libvpx has this condition regardless of whether
-                // we used the first ref MV and pre-scaling
-                AV_RN32A(&mv->mv[0]) != AV_RN32A(&mv->mv[1])) {
-                RETURN_SCALE_MV(mv->mv[1], s->s.h.signbias[mv->ref[1]] != s->s.h.signbias[ref]);
-            }
-        }
-    }
-
-    // MV at this position in previous frame, using different reference frame
-    if (s->s.h.use_last_frame_mvs) {
-        struct VP9mvrefPair *mv = &s->s.frames[REF_FRAME_MVPAIR].mv[row * s->sb_cols * 8 + col];
-
-        // no need to await_progress, because we already did that above
-        if (mv->ref[0] != ref && mv->ref[0] >= 0) {
-            RETURN_SCALE_MV(mv->mv[0], s->s.h.signbias[mv->ref[0]] != s->s.h.signbias[ref]);
-        }
-        if (mv->ref[1] != ref && mv->ref[1] >= 0 &&
-            // BUG - libvpx has this condition regardless of whether
-            // we used the first ref MV and pre-scaling
-            AV_RN32A(&mv->mv[0]) != AV_RN32A(&mv->mv[1])) {
-            RETURN_SCALE_MV(mv->mv[1], s->s.h.signbias[mv->ref[1]] != s->s.h.signbias[ref]);
-        }
-    }
-
-    AV_ZERO32(pmv);
-    clamp_mv(pmv, pmv, s);
-#undef INVALID_MV
-#undef RETURN_MV
-#undef RETURN_SCALE_MV
-}
-
-static av_always_inline int read_mv_component(VP9Context *s, int idx, int hp)
-{
-    int bit, sign = vp56_rac_get_prob(&s->c, s->prob.p.mv_comp[idx].sign);
-    int n, c = vp8_rac_get_tree(&s->c, vp9_mv_class_tree,
-                                s->prob.p.mv_comp[idx].classes);
-
-    s->counts.mv_comp[idx].sign[sign]++;
-    s->counts.mv_comp[idx].classes[c]++;
-    if (c) {
-        int m;
-
-        for (n = 0, m = 0; m < c; m++) {
-            bit = vp56_rac_get_prob(&s->c, s->prob.p.mv_comp[idx].bits[m]);
-            n |= bit << m;
-            s->counts.mv_comp[idx].bits[m][bit]++;
-        }
-        n <<= 3;
-        bit = vp8_rac_get_tree(&s->c, vp9_mv_fp_tree, s->prob.p.mv_comp[idx].fp);
-        n |= bit << 1;
-        s->counts.mv_comp[idx].fp[bit]++;
-        if (hp) {
-            bit = vp56_rac_get_prob(&s->c, s->prob.p.mv_comp[idx].hp);
-            s->counts.mv_comp[idx].hp[bit]++;
-            n |= bit;
-        } else {
-            n |= 1;
-            // bug in libvpx - we count for bw entropy purposes even if the
-            // bit wasn't coded
-            s->counts.mv_comp[idx].hp[1]++;
-        }
-        n += 8 << c;
-    } else {
-        n = vp56_rac_get_prob(&s->c, s->prob.p.mv_comp[idx].class0);
-        s->counts.mv_comp[idx].class0[n]++;
-        bit = vp8_rac_get_tree(&s->c, vp9_mv_fp_tree,
-                               s->prob.p.mv_comp[idx].class0_fp[n]);
-        s->counts.mv_comp[idx].class0_fp[n][bit]++;
-        n = (n << 3) | (bit << 1);
-        if (hp) {
-            bit = vp56_rac_get_prob(&s->c, s->prob.p.mv_comp[idx].class0_hp);
-            s->counts.mv_comp[idx].class0_hp[bit]++;
-            n |= bit;
-        } else {
-            n |= 1;
-            // bug in libvpx - we count for bw entropy purposes even if the
-            // bit wasn't coded
-            s->counts.mv_comp[idx].class0_hp[1]++;
-        }
-    }
-
-    return sign ? -(n + 1) : (n + 1);
-}
-
-static void fill_mv(VP9Context *s,
-                    VP56mv *mv, int mode, int sb)
-{
-    VP9Block *b = s->b;
-
-    if (mode == ZEROMV) {
-        AV_ZERO64(mv);
-    } else {
-        int hp;
-
-        // FIXME cache this value and reuse for other subblocks
-        find_ref_mvs(s, &mv[0], b->ref[0], 0, mode == NEARMV,
-                     mode == NEWMV ? -1 : sb);
-        // FIXME maybe move this code into find_ref_mvs()
-        if ((mode == NEWMV || sb == -1) &&
-            !(hp = s->s.h.highprecisionmvs && abs(mv[0].x) < 64 && abs(mv[0].y) < 64)) {
-            if (mv[0].y & 1) {
-                if (mv[0].y < 0)
-                    mv[0].y++;
-                else
-                    mv[0].y--;
-            }
-            if (mv[0].x & 1) {
-                if (mv[0].x < 0)
-                    mv[0].x++;
-                else
-                    mv[0].x--;
-            }
-        }
-        if (mode == NEWMV) {
-            enum MVJoint j = vp8_rac_get_tree(&s->c, vp9_mv_joint_tree,
-                                              s->prob.p.mv_joint);
-
-            s->counts.mv_joint[j]++;
-            if (j >= MV_JOINT_V)
-                mv[0].y += read_mv_component(s, 0, hp);
-            if (j & 1)
-                mv[0].x += read_mv_component(s, 1, hp);
-        }
-
-        if (b->comp) {
-            // FIXME cache this value and reuse for other subblocks
-            find_ref_mvs(s, &mv[1], b->ref[1], 1, mode == NEARMV,
-                         mode == NEWMV ? -1 : sb);
-            if ((mode == NEWMV || sb == -1) &&
-                !(hp = s->s.h.highprecisionmvs && abs(mv[1].x) < 64 && abs(mv[1].y) < 64)) {
-                if (mv[1].y & 1) {
-                    if (mv[1].y < 0)
-                        mv[1].y++;
-                    else
-                        mv[1].y--;
-                }
-                if (mv[1].x & 1) {
-                    if (mv[1].x < 0)
-                        mv[1].x++;
-                    else
-                        mv[1].x--;
-                }
-            }
-            if (mode == NEWMV) {
-                enum MVJoint j = vp8_rac_get_tree(&s->c, vp9_mv_joint_tree,
-                                                  s->prob.p.mv_joint);
-
-                s->counts.mv_joint[j]++;
-                if (j >= MV_JOINT_V)
-                    mv[1].y += read_mv_component(s, 0, hp);
-                if (j & 1)
-                    mv[1].x += read_mv_component(s, 1, hp);
-            }
-        }
-    }
-}
-
-static av_always_inline void setctx_2d(uint8_t *ptr, int w, int h,
-                                       ptrdiff_t stride, int v)
-{
-    switch (w) {
-    case 1:
-        do {
-            *ptr = v;
-            ptr += stride;
-        } while (--h);
-        break;
-    case 2: {
-        int v16 = v * 0x0101;
-        do {
-            AV_WN16A(ptr, v16);
-            ptr += stride;
-        } while (--h);
-        break;
-    }
-    case 4: {
-        uint32_t v32 = v * 0x01010101;
-        do {
-            AV_WN32A(ptr, v32);
-            ptr += stride;
-        } while (--h);
-        break;
-    }
-    case 8: {
-#if HAVE_FAST_64BIT
-        uint64_t v64 = v * 0x0101010101010101ULL;
-        do {
-            AV_WN64A(ptr, v64);
-            ptr += stride;
-        } while (--h);
-#else
-        uint32_t v32 = v * 0x01010101;
-        do {
-            AV_WN32A(ptr,     v32);
-            AV_WN32A(ptr + 4, v32);
-            ptr += stride;
-        } while (--h);
-#endif
-        break;
-    }
-    }
-}
-
-static void decode_mode(AVCodecContext *ctx)
-{
-    static const uint8_t left_ctx[N_BS_SIZES] = {
-        0x0, 0x8, 0x0, 0x8, 0xc, 0x8, 0xc, 0xe, 0xc, 0xe, 0xf, 0xe, 0xf
-    };
-    static const uint8_t above_ctx[N_BS_SIZES] = {
-        0x0, 0x0, 0x8, 0x8, 0x8, 0xc, 0xc, 0xc, 0xe, 0xe, 0xe, 0xf, 0xf
-    };
-    static const uint8_t max_tx_for_bl_bp[N_BS_SIZES] = {
-        TX_32X32, TX_32X32, TX_32X32, TX_32X32, TX_16X16, TX_16X16,
-        TX_16X16, TX_8X8, TX_8X8, TX_8X8, TX_4X4, TX_4X4, TX_4X4
-    };
-    VP9Context *s = ctx->priv_data;
-    VP9Block *b = s->b;
-    int row = s->row, col = s->col, row7 = s->row7;
-    enum TxfmMode max_tx = max_tx_for_bl_bp[b->bs];
-    int bw4 = bwh_tab[1][b->bs][0], w4 = FFMIN(s->cols - col, bw4);
-    int bh4 = bwh_tab[1][b->bs][1], h4 = FFMIN(s->rows - row, bh4), y;
-    int have_a = row > 0, have_l = col > s->tile_col_start;
-    int vref, filter_id;
-
-    if (!s->s.h.segmentation.enabled) {
-        b->seg_id = 0;
-    } else if (s->s.h.keyframe || s->s.h.intraonly) {
-        b->seg_id = !s->s.h.segmentation.update_map ? 0 :
-                    vp8_rac_get_tree(&s->c, vp9_segmentation_tree, s->s.h.segmentation.prob);
-    } else if (!s->s.h.segmentation.update_map ||
-               (s->s.h.segmentation.temporal &&
-                vp56_rac_get_prob_branchy(&s->c,
-                    s->s.h.segmentation.pred_prob[s->above_segpred_ctx[col] +
-                                    s->left_segpred_ctx[row7]]))) {
-        if (!s->s.h.errorres && s->s.frames[REF_FRAME_SEGMAP].segmentation_map) {
-            int pred = 8, x;
-            uint8_t *refsegmap = s->s.frames[REF_FRAME_SEGMAP].segmentation_map;
-
-            if (!s->s.frames[REF_FRAME_SEGMAP].uses_2pass)
-                ff_thread_await_progress(&s->s.frames[REF_FRAME_SEGMAP].tf, row >> 3, 0);
-            for (y = 0; y < h4; y++) {
-                int idx_base = (y + row) * 8 * s->sb_cols + col;
-                for (x = 0; x < w4; x++)
-                    pred = FFMIN(pred, refsegmap[idx_base + x]);
-            }
-            av_assert1(pred < 8);
-            b->seg_id = pred;
-        } else {
-            b->seg_id = 0;
-        }
-
-        memset(&s->above_segpred_ctx[col], 1, w4);
-        memset(&s->left_segpred_ctx[row7], 1, h4);
-    } else {
-        b->seg_id = vp8_rac_get_tree(&s->c, vp9_segmentation_tree,
-                                     s->s.h.segmentation.prob);
-
-        memset(&s->above_segpred_ctx[col], 0, w4);
-        memset(&s->left_segpred_ctx[row7], 0, h4);
-    }
-    if (s->s.h.segmentation.enabled &&
-        (s->s.h.segmentation.update_map || s->s.h.keyframe || s->s.h.intraonly)) {
-        setctx_2d(&s->s.frames[CUR_FRAME].segmentation_map[row * 8 * s->sb_cols + col],
-                  bw4, bh4, 8 * s->sb_cols, b->seg_id);
-    }
-
-    b->skip = s->s.h.segmentation.enabled &&
-        s->s.h.segmentation.feat[b->seg_id].skip_enabled;
-    if (!b->skip) {
-        int c = s->left_skip_ctx[row7] + s->above_skip_ctx[col];
-        b->skip = vp56_rac_get_prob(&s->c, s->prob.p.skip[c]);
-        s->counts.skip[c][b->skip]++;
-    }
-
-    if (s->s.h.keyframe || s->s.h.intraonly) {
-        b->intra = 1;
-    } else if (s->s.h.segmentation.enabled && s->s.h.segmentation.feat[b->seg_id].ref_enabled) {
-        b->intra = !s->s.h.segmentation.feat[b->seg_id].ref_val;
-    } else {
-        int c, bit;
-
-        if (have_a && have_l) {
-            c = s->above_intra_ctx[col] + s->left_intra_ctx[row7];
-            c += (c == 2);
-        } else {
-            c = have_a ? 2 * s->above_intra_ctx[col] :
-                have_l ? 2 * s->left_intra_ctx[row7] : 0;
-        }
-        bit = vp56_rac_get_prob(&s->c, s->prob.p.intra[c]);
-        s->counts.intra[c][bit]++;
-        b->intra = !bit;
-    }
-
-    if ((b->intra || !b->skip) && s->s.h.txfmmode == TX_SWITCHABLE) {
-        int c;
-        if (have_a) {
-            if (have_l) {
-                c = (s->above_skip_ctx[col] ? max_tx :
-                     s->above_txfm_ctx[col]) +
-                    (s->left_skip_ctx[row7] ? max_tx :
-                     s->left_txfm_ctx[row7]) > max_tx;
-            } else {
-                c = s->above_skip_ctx[col] ? 1 :
-                    (s->above_txfm_ctx[col] * 2 > max_tx);
-            }
-        } else if (have_l) {
-            c = s->left_skip_ctx[row7] ? 1 :
-                (s->left_txfm_ctx[row7] * 2 > max_tx);
-        } else {
-            c = 1;
-        }
-        switch (max_tx) {
-        case TX_32X32:
-            b->tx = vp56_rac_get_prob(&s->c, s->prob.p.tx32p[c][0]);
-            if (b->tx) {
-                b->tx += vp56_rac_get_prob(&s->c, s->prob.p.tx32p[c][1]);
-                if (b->tx == 2)
-                    b->tx += vp56_rac_get_prob(&s->c, s->prob.p.tx32p[c][2]);
-            }
-            s->counts.tx32p[c][b->tx]++;
-            break;
-        case TX_16X16:
-            b->tx = vp56_rac_get_prob(&s->c, s->prob.p.tx16p[c][0]);
-            if (b->tx)
-                b->tx += vp56_rac_get_prob(&s->c, s->prob.p.tx16p[c][1]);
-            s->counts.tx16p[c][b->tx]++;
-            break;
-        case TX_8X8:
-            b->tx = vp56_rac_get_prob(&s->c, s->prob.p.tx8p[c]);
-            s->counts.tx8p[c][b->tx]++;
-            break;
-        case TX_4X4:
-            b->tx = TX_4X4;
-            break;
-        }
-    } else {
-        b->tx = FFMIN(max_tx, s->s.h.txfmmode);
-    }
-
-    if (s->s.h.keyframe || s->s.h.intraonly) {
-        uint8_t *a = &s->above_mode_ctx[col * 2];
-        uint8_t *l = &s->left_mode_ctx[(row7) << 1];
-
-        b->comp = 0;
-        if (b->bs > BS_8x8) {
-            // FIXME the memory storage intermediates here aren't really
-            // necessary, they're just there to make the code slightly
-            // simpler for now
-            b->mode[0] = a[0] = vp8_rac_get_tree(&s->c, vp9_intramode_tree,
-                                    vp9_default_kf_ymode_probs[a[0]][l[0]]);
-            if (b->bs != BS_8x4) {
-                b->mode[1] = vp8_rac_get_tree(&s->c, vp9_intramode_tree,
-                                 vp9_default_kf_ymode_probs[a[1]][b->mode[0]]);
-                l[0] = a[1] = b->mode[1];
-            } else {
-                l[0] = a[1] = b->mode[1] = b->mode[0];
-            }
-            if (b->bs != BS_4x8) {
-                b->mode[2] = a[0] = vp8_rac_get_tree(&s->c, vp9_intramode_tree,
-                                        vp9_default_kf_ymode_probs[a[0]][l[1]]);
-                if (b->bs != BS_8x4) {
-                    b->mode[3] = vp8_rac_get_tree(&s->c, vp9_intramode_tree,
-                                  vp9_default_kf_ymode_probs[a[1]][b->mode[2]]);
-                    l[1] = a[1] = b->mode[3];
-                } else {
-                    l[1] = a[1] = b->mode[3] = b->mode[2];
-                }
-            } else {
-                b->mode[2] = b->mode[0];
-                l[1] = a[1] = b->mode[3] = b->mode[1];
-            }
-        } else {
-            b->mode[0] = vp8_rac_get_tree(&s->c, vp9_intramode_tree,
-                                          vp9_default_kf_ymode_probs[*a][*l]);
-            b->mode[3] = b->mode[2] = b->mode[1] = b->mode[0];
-            // FIXME this can probably be optimized
-            memset(a, b->mode[0], bwh_tab[0][b->bs][0]);
-            memset(l, b->mode[0], bwh_tab[0][b->bs][1]);
-        }
-        b->uvmode = vp8_rac_get_tree(&s->c, vp9_intramode_tree,
-                                     vp9_default_kf_uvmode_probs[b->mode[3]]);
-    } else if (b->intra) {
-        b->comp = 0;
-        if (b->bs > BS_8x8) {
-            b->mode[0] = vp8_rac_get_tree(&s->c, vp9_intramode_tree,
-                                          s->prob.p.y_mode[0]);
-            s->counts.y_mode[0][b->mode[0]]++;
-            if (b->bs != BS_8x4) {
-                b->mode[1] = vp8_rac_get_tree(&s->c, vp9_intramode_tree,
-                                              s->prob.p.y_mode[0]);
-                s->counts.y_mode[0][b->mode[1]]++;
-            } else {
-                b->mode[1] = b->mode[0];
-            }
-            if (b->bs != BS_4x8) {
-                b->mode[2] = vp8_rac_get_tree(&s->c, vp9_intramode_tree,
-                                              s->prob.p.y_mode[0]);
-                s->counts.y_mode[0][b->mode[2]]++;
-                if (b->bs != BS_8x4) {
-                    b->mode[3] = vp8_rac_get_tree(&s->c, vp9_intramode_tree,
-                                                  s->prob.p.y_mode[0]);
-                    s->counts.y_mode[0][b->mode[3]]++;
-                } else {
-                    b->mode[3] = b->mode[2];
-                }
-            } else {
-                b->mode[2] = b->mode[0];
-                b->mode[3] = b->mode[1];
-            }
-        } else {
-            static const uint8_t size_group[10] = {
-                3, 3, 3, 3, 2, 2, 2, 1, 1, 1
-            };
-            int sz = size_group[b->bs];
-
-            b->mode[0] = vp8_rac_get_tree(&s->c, vp9_intramode_tree,
-                                          s->prob.p.y_mode[sz]);
-            b->mode[1] = b->mode[2] = b->mode[3] = b->mode[0];
-            s->counts.y_mode[sz][b->mode[3]]++;
-        }
-        b->uvmode = vp8_rac_get_tree(&s->c, vp9_intramode_tree,
-                                     s->prob.p.uv_mode[b->mode[3]]);
-        s->counts.uv_mode[b->mode[3]][b->uvmode]++;
-    } else {
-        static const uint8_t inter_mode_ctx_lut[14][14] = {
-            { 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5 },
-            { 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5 },
-            { 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5 },
-            { 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5 },
-            { 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5 },
-            { 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5 },
-            { 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5 },
-            { 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5 },
-            { 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5 },
-            { 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5 },
-            { 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 1, 3 },
-            { 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 1, 3 },
-            { 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 0, 3 },
-            { 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 4 },
-        };
-
-        if (s->s.h.segmentation.enabled && s->s.h.segmentation.feat[b->seg_id].ref_enabled) {
-            av_assert2(s->s.h.segmentation.feat[b->seg_id].ref_val != 0);
-            b->comp = 0;
-            b->ref[0] = s->s.h.segmentation.feat[b->seg_id].ref_val - 1;
-        } else {
-            // read comp_pred flag
-            if (s->s.h.comppredmode != PRED_SWITCHABLE) {
-                b->comp = s->s.h.comppredmode == PRED_COMPREF;
-            } else {
-                int c;
-
-                // FIXME add intra as ref=0xff (or -1) to make these easier?
-                if (have_a) {
-                    if (have_l) {
-                        if (s->above_comp_ctx[col] && s->left_comp_ctx[row7]) {
-                            c = 4;
-                        } else if (s->above_comp_ctx[col]) {
-                            c = 2 + (s->left_intra_ctx[row7] ||
-                                     s->left_ref_ctx[row7] == s->s.h.fixcompref);
-                        } else if (s->left_comp_ctx[row7]) {
-                            c = 2 + (s->above_intra_ctx[col] ||
-                                     s->above_ref_ctx[col] == s->s.h.fixcompref);
-                        } else {
-                            c = (!s->above_intra_ctx[col] &&
-                                 s->above_ref_ctx[col] == s->s.h.fixcompref) ^
-                            (!s->left_intra_ctx[row7] &&
-                             s->left_ref_ctx[row & 7] == s->s.h.fixcompref);
-                        }
-                    } else {
-                        c = s->above_comp_ctx[col] ? 3 :
-                        (!s->above_intra_ctx[col] && s->above_ref_ctx[col] == s->s.h.fixcompref);
-                    }
-                } else if (have_l) {
-                    c = s->left_comp_ctx[row7] ? 3 :
-                    (!s->left_intra_ctx[row7] && s->left_ref_ctx[row7] == s->s.h.fixcompref);
-                } else {
-                    c = 1;
-                }
-                b->comp = vp56_rac_get_prob(&s->c, s->prob.p.comp[c]);
-                s->counts.comp[c][b->comp]++;
-            }
-
-            // read actual references
-            // FIXME probably cache a few variables here to prevent repetitive
-            // memory accesses below
-            if (b->comp) /* two references */ {
-                int fix_idx = s->s.h.signbias[s->s.h.fixcompref], var_idx = !fix_idx, c, bit;
-
-                b->ref[fix_idx] = s->s.h.fixcompref;
-                // FIXME can this codeblob be replaced by some sort of LUT?
-                if (have_a) {
-                    if (have_l) {
-                        if (s->above_intra_ctx[col]) {
-                            if (s->left_intra_ctx[row7]) {
-                                c = 2;
-                            } else {
-                                c = 1 + 2 * (s->left_ref_ctx[row7] != s->s.h.varcompref[1]);
-                            }
-                        } else if (s->left_intra_ctx[row7]) {
-                            c = 1 + 2 * (s->above_ref_ctx[col] != s->s.h.varcompref[1]);
-                        } else {
-                            int refl = s->left_ref_ctx[row7], refa = s->above_ref_ctx[col];
-
-                            if (refl == refa && refa == s->s.h.varcompref[1]) {
-                                c = 0;
-                            } else if (!s->left_comp_ctx[row7] && !s->above_comp_ctx[col]) {
-                                if ((refa == s->s.h.fixcompref && refl == s->s.h.varcompref[0]) ||
-                                    (refl == s->s.h.fixcompref && refa == s->s.h.varcompref[0])) {
-                                    c = 4;
-                                } else {
-                                    c = (refa == refl) ? 3 : 1;
-                                }
-                            } else if (!s->left_comp_ctx[row7]) {
-                                if (refa == s->s.h.varcompref[1] && refl != s->s.h.varcompref[1]) {
-                                    c = 1;
-                                } else {
-                                    c = (refl == s->s.h.varcompref[1] &&
-                                         refa != s->s.h.varcompref[1]) ? 2 : 4;
-                                }
-                            } else if (!s->above_comp_ctx[col]) {
-                                if (refl == s->s.h.varcompref[1] && refa != s->s.h.varcompref[1]) {
-                                    c = 1;
-                                } else {
-                                    c = (refa == s->s.h.varcompref[1] &&
-                                         refl != s->s.h.varcompref[1]) ? 2 : 4;
-                                }
-                            } else {
-                                c = (refl == refa) ? 4 : 2;
-                            }
-                        }
-                    } else {
-                        if (s->above_intra_ctx[col]) {
-                            c = 2;
-                        } else if (s->above_comp_ctx[col]) {
-                            c = 4 * (s->above_ref_ctx[col] != s->s.h.varcompref[1]);
-                        } else {
-                            c = 3 * (s->above_ref_ctx[col] != s->s.h.varcompref[1]);
-                        }
-                    }
-                } else if (have_l) {
-                    if (s->left_intra_ctx[row7]) {
-                        c = 2;
-                    } else if (s->left_comp_ctx[row7]) {
-                        c = 4 * (s->left_ref_ctx[row7] != s->s.h.varcompref[1]);
-                    } else {
-                        c = 3 * (s->left_ref_ctx[row7] != s->s.h.varcompref[1]);
-                    }
-                } else {
-                    c = 2;
-                }
-                bit = vp56_rac_get_prob(&s->c, s->prob.p.comp_ref[c]);
-                b->ref[var_idx] = s->s.h.varcompref[bit];
-                s->counts.comp_ref[c][bit]++;
-            } else /* single reference */ {
-                int bit, c;
-
-                if (have_a && !s->above_intra_ctx[col]) {
-                    if (have_l && !s->left_intra_ctx[row7]) {
-                        if (s->left_comp_ctx[row7]) {
-                            if (s->above_comp_ctx[col]) {
-                                c = 1 + (!s->s.h.fixcompref || !s->left_ref_ctx[row7] ||
-                                         !s->above_ref_ctx[col]);
-                            } else {
-                                c = (3 * !s->above_ref_ctx[col]) +
-                                    (!s->s.h.fixcompref || !s->left_ref_ctx[row7]);
-                            }
-                        } else if (s->above_comp_ctx[col]) {
-                            c = (3 * !s->left_ref_ctx[row7]) +
-                                (!s->s.h.fixcompref || !s->above_ref_ctx[col]);
-                        } else {
-                            c = 2 * !s->left_ref_ctx[row7] + 2 * !s->above_ref_ctx[col];
-                        }
-                    } else if (s->above_intra_ctx[col]) {
-                        c = 2;
-                    } else if (s->above_comp_ctx[col]) {
-                        c = 1 + (!s->s.h.fixcompref || !s->above_ref_ctx[col]);
-                    } else {
-                        c = 4 * (!s->above_ref_ctx[col]);
-                    }
-                } else if (have_l && !s->left_intra_ctx[row7]) {
-                    if (s->left_intra_ctx[row7]) {
-                        c = 2;
-                    } else if (s->left_comp_ctx[row7]) {
-                        c = 1 + (!s->s.h.fixcompref || !s->left_ref_ctx[row7]);
-                    } else {
-                        c = 4 * (!s->left_ref_ctx[row7]);
-                    }
-                } else {
-                    c = 2;
-                }
-                bit = vp56_rac_get_prob(&s->c, s->prob.p.single_ref[c][0]);
-                s->counts.single_ref[c][0][bit]++;
-                if (!bit) {
-                    b->ref[0] = 0;
-                } else {
-                    // FIXME can this codeblob be replaced by some sort of LUT?
-                    if (have_a) {
-                        if (have_l) {
-                            if (s->left_intra_ctx[row7]) {
-                                if (s->above_intra_ctx[col]) {
-                                    c = 2;
-                                } else if (s->above_comp_ctx[col]) {
-                                    c = 1 + 2 * (s->s.h.fixcompref == 1 ||
-                                                 s->above_ref_ctx[col] == 1);
-                                } else if (!s->above_ref_ctx[col]) {
-                                    c = 3;
-                                } else {
-                                    c = 4 * (s->above_ref_ctx[col] == 1);
-                                }
-                            } else if (s->above_intra_ctx[col]) {
-                                if (s->left_intra_ctx[row7]) {
-                                    c = 2;
-                                } else if (s->left_comp_ctx[row7]) {
-                                    c = 1 + 2 * (s->s.h.fixcompref == 1 ||
-                                                 s->left_ref_ctx[row7] == 1);
-                                } else if (!s->left_ref_ctx[row7]) {
-                                    c = 3;
-                                } else {
-                                    c = 4 * (s->left_ref_ctx[row7] == 1);
-                                }
-                            } else if (s->above_comp_ctx[col]) {
-                                if (s->left_comp_ctx[row7]) {
-                                    if (s->left_ref_ctx[row7] == s->above_ref_ctx[col]) {
-                                        c = 3 * (s->s.h.fixcompref == 1 ||
-                                                 s->left_ref_ctx[row7] == 1);
-                                    } else {
-                                        c = 2;
-                                    }
-                                } else if (!s->left_ref_ctx[row7]) {
-                                    c = 1 + 2 * (s->s.h.fixcompref == 1 ||
-                                                 s->above_ref_ctx[col] == 1);
-                                } else {
-                                    c = 3 * (s->left_ref_ctx[row7] == 1) +
-                                    (s->s.h.fixcompref == 1 || s->above_ref_ctx[col] == 1);
-                                }
-                            } else if (s->left_comp_ctx[row7]) {
-                                if (!s->above_ref_ctx[col]) {
-                                    c = 1 + 2 * (s->s.h.fixcompref == 1 ||
-                                                 s->left_ref_ctx[row7] == 1);
-                                } else {
-                                    c = 3 * (s->above_ref_ctx[col] == 1) +
-                                    (s->s.h.fixcompref == 1 || s->left_ref_ctx[row7] == 1);
-                                }
-                            } else if (!s->above_ref_ctx[col]) {
-                                if (!s->left_ref_ctx[row7]) {
-                                    c = 3;
-                                } else {
-                                    c = 4 * (s->left_ref_ctx[row7] == 1);
-                                }
-                            } else if (!s->left_ref_ctx[row7]) {
-                                c = 4 * (s->above_ref_ctx[col] == 1);
-                            } else {
-                                c = 2 * (s->left_ref_ctx[row7] == 1) +
-                                2 * (s->above_ref_ctx[col] == 1);
-                            }
-                        } else {
-                            if (s->above_intra_ctx[col] ||
-                                (!s->above_comp_ctx[col] && !s->above_ref_ctx[col])) {
-                                c = 2;
-                            } else if (s->above_comp_ctx[col]) {
-                                c = 3 * (s->s.h.fixcompref == 1 || s->above_ref_ctx[col] == 1);
-                            } else {
-                                c = 4 * (s->above_ref_ctx[col] == 1);
-                            }
-                        }
-                    } else if (have_l) {
-                        if (s->left_intra_ctx[row7] ||
-                            (!s->left_comp_ctx[row7] && !s->left_ref_ctx[row7])) {
-                            c = 2;
-                        } else if (s->left_comp_ctx[row7]) {
-                            c = 3 * (s->s.h.fixcompref == 1 || s->left_ref_ctx[row7] == 1);
-                        } else {
-                            c = 4 * (s->left_ref_ctx[row7] == 1);
-                        }
-                    } else {
-                        c = 2;
-                    }
-                    bit = vp56_rac_get_prob(&s->c, s->prob.p.single_ref[c][1]);
-                    s->counts.single_ref[c][1][bit]++;
-                    b->ref[0] = 1 + bit;
-                }
-            }
-        }
-
-        if (b->bs <= BS_8x8) {
-            if (s->s.h.segmentation.enabled && s->s.h.segmentation.feat[b->seg_id].skip_enabled) {
-                b->mode[0] = b->mode[1] = b->mode[2] = b->mode[3] = ZEROMV;
-            } else {
-                static const uint8_t off[10] = {
-                    3, 0, 0, 1, 0, 0, 0, 0, 0, 0
-                };
-
-                // FIXME this needs to use the LUT tables from find_ref_mvs
-                // because not all are -1,0/0,-1
-                int c = inter_mode_ctx_lut[s->above_mode_ctx[col + off[b->bs]]]
-                                          [s->left_mode_ctx[row7 + off[b->bs]]];
-
-                b->mode[0] = vp8_rac_get_tree(&s->c, vp9_inter_mode_tree,
-                                              s->prob.p.mv_mode[c]);
-                b->mode[1] = b->mode[2] = b->mode[3] = b->mode[0];
-                s->counts.mv_mode[c][b->mode[0] - 10]++;
-            }
-        }
-
-        if (s->s.h.filtermode == FILTER_SWITCHABLE) {
-            int c;
-
-            if (have_a && s->above_mode_ctx[col] >= NEARESTMV) {
-                if (have_l && s->left_mode_ctx[row7] >= NEARESTMV) {
-                    c = s->above_filter_ctx[col] == s->left_filter_ctx[row7] ?
-                        s->left_filter_ctx[row7] : 3;
-                } else {
-                    c = s->above_filter_ctx[col];
-                }
-            } else if (have_l && s->left_mode_ctx[row7] >= NEARESTMV) {
-                c = s->left_filter_ctx[row7];
-            } else {
-                c = 3;
-            }
-
-            filter_id = vp8_rac_get_tree(&s->c, vp9_filter_tree,
-                                         s->prob.p.filter[c]);
-            s->counts.filter[c][filter_id]++;
-            b->filter = vp9_filter_lut[filter_id];
-        } else {
-            b->filter = s->s.h.filtermode;
-        }
-
-        if (b->bs > BS_8x8) {
-            int c = inter_mode_ctx_lut[s->above_mode_ctx[col]][s->left_mode_ctx[row7]];
-
-            b->mode[0] = vp8_rac_get_tree(&s->c, vp9_inter_mode_tree,
-                                          s->prob.p.mv_mode[c]);
-            s->counts.mv_mode[c][b->mode[0] - 10]++;
-            fill_mv(s, b->mv[0], b->mode[0], 0);
-
-            if (b->bs != BS_8x4) {
-                b->mode[1] = vp8_rac_get_tree(&s->c, vp9_inter_mode_tree,
-                                              s->prob.p.mv_mode[c]);
-                s->counts.mv_mode[c][b->mode[1] - 10]++;
-                fill_mv(s, b->mv[1], b->mode[1], 1);
-            } else {
-                b->mode[1] = b->mode[0];
-                AV_COPY32(&b->mv[1][0], &b->mv[0][0]);
-                AV_COPY32(&b->mv[1][1], &b->mv[0][1]);
-            }
-
-            if (b->bs != BS_4x8) {
-                b->mode[2] = vp8_rac_get_tree(&s->c, vp9_inter_mode_tree,
-                                              s->prob.p.mv_mode[c]);
-                s->counts.mv_mode[c][b->mode[2] - 10]++;
-                fill_mv(s, b->mv[2], b->mode[2], 2);
-
-                if (b->bs != BS_8x4) {
-                    b->mode[3] = vp8_rac_get_tree(&s->c, vp9_inter_mode_tree,
-                                                  s->prob.p.mv_mode[c]);
-                    s->counts.mv_mode[c][b->mode[3] - 10]++;
-                    fill_mv(s, b->mv[3], b->mode[3], 3);
-                } else {
-                    b->mode[3] = b->mode[2];
-                    AV_COPY32(&b->mv[3][0], &b->mv[2][0]);
-                    AV_COPY32(&b->mv[3][1], &b->mv[2][1]);
-                }
-            } else {
-                b->mode[2] = b->mode[0];
-                AV_COPY32(&b->mv[2][0], &b->mv[0][0]);
-                AV_COPY32(&b->mv[2][1], &b->mv[0][1]);
-                b->mode[3] = b->mode[1];
-                AV_COPY32(&b->mv[3][0], &b->mv[1][0]);
-                AV_COPY32(&b->mv[3][1], &b->mv[1][1]);
-            }
-        } else {
-            fill_mv(s, b->mv[0], b->mode[0], -1);
-            AV_COPY32(&b->mv[1][0], &b->mv[0][0]);
-            AV_COPY32(&b->mv[2][0], &b->mv[0][0]);
-            AV_COPY32(&b->mv[3][0], &b->mv[0][0]);
-            AV_COPY32(&b->mv[1][1], &b->mv[0][1]);
-            AV_COPY32(&b->mv[2][1], &b->mv[0][1]);
-            AV_COPY32(&b->mv[3][1], &b->mv[0][1]);
-        }
-
-        vref = b->ref[b->comp ? s->s.h.signbias[s->s.h.varcompref[0]] : 0];
-    }
-
-#if HAVE_FAST_64BIT
-#define SPLAT_CTX(var, val, n) \
-    switch (n) { \
-    case 1:  var = val;                                    break; \
-    case 2:  AV_WN16A(&var, val *             0x0101);     break; \
-    case 4:  AV_WN32A(&var, val *         0x01010101);     break; \
-    case 8:  AV_WN64A(&var, val * 0x0101010101010101ULL);  break; \
-    case 16: { \
-        uint64_t v64 = val * 0x0101010101010101ULL; \
-        AV_WN64A(              &var,     v64); \
-        AV_WN64A(&((uint8_t *) &var)[8], v64); \
-        break; \
-    } \
-    }
-#else
-#define SPLAT_CTX(var, val, n) \
-    switch (n) { \
-    case 1:  var = val;                         break; \
-    case 2:  AV_WN16A(&var, val *     0x0101);  break; \
-    case 4:  AV_WN32A(&var, val * 0x01010101);  break; \
-    case 8: { \
-        uint32_t v32 = val * 0x01010101; \
-        AV_WN32A(              &var,     v32); \
-        AV_WN32A(&((uint8_t *) &var)[4], v32); \
-        break; \
-    } \
-    case 16: { \
-        uint32_t v32 = val * 0x01010101; \
-        AV_WN32A(              &var,      v32); \
-        AV_WN32A(&((uint8_t *) &var)[4],  v32); \
-        AV_WN32A(&((uint8_t *) &var)[8],  v32); \
-        AV_WN32A(&((uint8_t *) &var)[12], v32); \
-        break; \
-    } \
-    }
-#endif
-
-    switch (bwh_tab[1][b->bs][0]) {
-#define SET_CTXS(dir, off, n) \
-    do { \
-        SPLAT_CTX(s->dir##_skip_ctx[off],      b->skip,          n); \
-        SPLAT_CTX(s->dir##_txfm_ctx[off],      b->tx,            n); \
-        SPLAT_CTX(s->dir##_partition_ctx[off], dir##_ctx[b->bs], n); \
-        if (!s->s.h.keyframe && !s->s.h.intraonly) { \
-            SPLAT_CTX(s->dir##_intra_ctx[off], b->intra,   n); \
-            SPLAT_CTX(s->dir##_comp_ctx[off],  b->comp,    n); \
-            SPLAT_CTX(s->dir##_mode_ctx[off],  b->mode[3], n); \
-            if (!b->intra) { \
-                SPLAT_CTX(s->dir##_ref_ctx[off], vref, n); \
-                if (s->s.h.filtermode == FILTER_SWITCHABLE) { \
-                    SPLAT_CTX(s->dir##_filter_ctx[off], filter_id, n); \
-                } \
-            } \
-        } \
-    } while (0)
-    case 1: SET_CTXS(above, col, 1); break;
-    case 2: SET_CTXS(above, col, 2); break;
-    case 4: SET_CTXS(above, col, 4); break;
-    case 8: SET_CTXS(above, col, 8); break;
-    }
-    switch (bwh_tab[1][b->bs][1]) {
-    case 1: SET_CTXS(left, row7, 1); break;
-    case 2: SET_CTXS(left, row7, 2); break;
-    case 4: SET_CTXS(left, row7, 4); break;
-    case 8: SET_CTXS(left, row7, 8); break;
-    }
-#undef SPLAT_CTX
-#undef SET_CTXS
-
-    if (!s->s.h.keyframe && !s->s.h.intraonly) {
-        if (b->bs > BS_8x8) {
-            int mv0 = AV_RN32A(&b->mv[3][0]), mv1 = AV_RN32A(&b->mv[3][1]);
-
-            AV_COPY32(&s->left_mv_ctx[row7 * 2 + 0][0], &b->mv[1][0]);
-            AV_COPY32(&s->left_mv_ctx[row7 * 2 + 0][1], &b->mv[1][1]);
-            AV_WN32A(&s->left_mv_ctx[row7 * 2 + 1][0], mv0);
-            AV_WN32A(&s->left_mv_ctx[row7 * 2 + 1][1], mv1);
-            AV_COPY32(&s->above_mv_ctx[col * 2 + 0][0], &b->mv[2][0]);
-            AV_COPY32(&s->above_mv_ctx[col * 2 + 0][1], &b->mv[2][1]);
-            AV_WN32A(&s->above_mv_ctx[col * 2 + 1][0], mv0);
-            AV_WN32A(&s->above_mv_ctx[col * 2 + 1][1], mv1);
-        } else {
-            int n, mv0 = AV_RN32A(&b->mv[3][0]), mv1 = AV_RN32A(&b->mv[3][1]);
-
-            for (n = 0; n < w4 * 2; n++) {
-                AV_WN32A(&s->above_mv_ctx[col * 2 + n][0], mv0);
-                AV_WN32A(&s->above_mv_ctx[col * 2 + n][1], mv1);
-            }
-            for (n = 0; n < h4 * 2; n++) {
-                AV_WN32A(&s->left_mv_ctx[row7 * 2 + n][0], mv0);
-                AV_WN32A(&s->left_mv_ctx[row7 * 2 + n][1], mv1);
-            }
-        }
-    }
-
-    // FIXME kinda ugly
-    for (y = 0; y < h4; y++) {
-        int x, o = (row + y) * s->sb_cols * 8 + col;
-        struct VP9mvrefPair *mv = &s->s.frames[CUR_FRAME].mv[o];
-
-        if (b->intra) {
-            for (x = 0; x < w4; x++) {
-                mv[x].ref[0] =
-                mv[x].ref[1] = -1;
-            }
-        } else if (b->comp) {
-            for (x = 0; x < w4; x++) {
-                mv[x].ref[0] = b->ref[0];
-                mv[x].ref[1] = b->ref[1];
-                AV_COPY32(&mv[x].mv[0], &b->mv[3][0]);
-                AV_COPY32(&mv[x].mv[1], &b->mv[3][1]);
-            }
-        } else {
-            for (x = 0; x < w4; x++) {
-                mv[x].ref[0] = b->ref[0];
-                mv[x].ref[1] = -1;
-                AV_COPY32(&mv[x].mv[0], &b->mv[3][0]);
-            }
-        }
-    }
-}
-
-// FIXME merge cnt/eob arguments?
-static av_always_inline int
-decode_coeffs_b_generic(VP56RangeCoder *c, int16_t *coef, int n_coeffs,
-                        int is_tx32x32, int is8bitsperpixel, int bpp, unsigned (*cnt)[6][3],
-                        unsigned (*eob)[6][2], uint8_t (*p)[6][11],
-                        int nnz, const int16_t *scan, const int16_t (*nb)[2],
-                        const int16_t *band_counts, const int16_t *qmul)
-{
-    int i = 0, band = 0, band_left = band_counts[band];
-    uint8_t *tp = p[0][nnz];
-    uint8_t cache[1024];
-
-    do {
-        int val, rc;
-
-        val = vp56_rac_get_prob_branchy(c, tp[0]); // eob
-        eob[band][nnz][val]++;
-        if (!val)
-            break;
-
-    skip_eob:
-        if (!vp56_rac_get_prob_branchy(c, tp[1])) { // zero
-            cnt[band][nnz][0]++;
-            if (!--band_left)
-                band_left = band_counts[++band];
-            cache[scan[i]] = 0;
-            nnz = (1 + cache[nb[i][0]] + cache[nb[i][1]]) >> 1;
-            tp = p[band][nnz];
-            if (++i == n_coeffs)
-                break; //invalid input; blocks should end with EOB
-            goto skip_eob;
-        }
-
-        rc = scan[i];
-        if (!vp56_rac_get_prob_branchy(c, tp[2])) { // one
-            cnt[band][nnz][1]++;
-            val = 1;
-            cache[rc] = 1;
-        } else {
-            // fill in p[3-10] (model fill) - only once per frame for each pos
-            if (!tp[3])
-                memcpy(&tp[3], vp9_model_pareto8[tp[2]], 8);
-
-            cnt[band][nnz][2]++;
-            if (!vp56_rac_get_prob_branchy(c, tp[3])) { // 2, 3, 4
-                if (!vp56_rac_get_prob_branchy(c, tp[4])) {
-                    cache[rc] = val = 2;
-                } else {
-                    val = 3 + vp56_rac_get_prob(c, tp[5]);
-                    cache[rc] = 3;
-                }
-            } else if (!vp56_rac_get_prob_branchy(c, tp[6])) { // cat1/2
-                cache[rc] = 4;
-                if (!vp56_rac_get_prob_branchy(c, tp[7])) {
-                    val = 5 + vp56_rac_get_prob(c, 159);
-                } else {
-                    val  = 7 + (vp56_rac_get_prob(c, 165) << 1);
-                    val +=      vp56_rac_get_prob(c, 145);
-                }
-            } else { // cat 3-6
-                cache[rc] = 5;
-                if (!vp56_rac_get_prob_branchy(c, tp[8])) {
-                    if (!vp56_rac_get_prob_branchy(c, tp[9])) {
-                        val  = 11 + (vp56_rac_get_prob(c, 173) << 2);
-                        val +=      (vp56_rac_get_prob(c, 148) << 1);
-                        val +=       vp56_rac_get_prob(c, 140);
-                    } else {
-                        val  = 19 + (vp56_rac_get_prob(c, 176) << 3);
-                        val +=      (vp56_rac_get_prob(c, 155) << 2);
-                        val +=      (vp56_rac_get_prob(c, 140) << 1);
-                        val +=       vp56_rac_get_prob(c, 135);
-                    }
-                } else if (!vp56_rac_get_prob_branchy(c, tp[10])) {
-                    val  = 35 + (vp56_rac_get_prob(c, 180) << 4);
-                    val +=      (vp56_rac_get_prob(c, 157) << 3);
-                    val +=      (vp56_rac_get_prob(c, 141) << 2);
-                    val +=      (vp56_rac_get_prob(c, 134) << 1);
-                    val +=       vp56_rac_get_prob(c, 130);
-                } else {
-                    val = 67;
-                    if (!is8bitsperpixel) {
-                        if (bpp == 12) {
-                            val += vp56_rac_get_prob(c, 255) << 17;
-                            val += vp56_rac_get_prob(c, 255) << 16;
-                        }
-                        val +=  (vp56_rac_get_prob(c, 255) << 15);
-                        val +=  (vp56_rac_get_prob(c, 255) << 14);
-                    }
-                    val +=      (vp56_rac_get_prob(c, 254) << 13);
-                    val +=      (vp56_rac_get_prob(c, 254) << 12);
-                    val +=      (vp56_rac_get_prob(c, 254) << 11);
-                    val +=      (vp56_rac_get_prob(c, 252) << 10);
-                    val +=      (vp56_rac_get_prob(c, 249) << 9);
-                    val +=      (vp56_rac_get_prob(c, 243) << 8);
-                    val +=      (vp56_rac_get_prob(c, 230) << 7);
-                    val +=      (vp56_rac_get_prob(c, 196) << 6);
-                    val +=      (vp56_rac_get_prob(c, 177) << 5);
-                    val +=      (vp56_rac_get_prob(c, 153) << 4);
-                    val +=      (vp56_rac_get_prob(c, 140) << 3);
-                    val +=      (vp56_rac_get_prob(c, 133) << 2);
-                    val +=      (vp56_rac_get_prob(c, 130) << 1);
-                    val +=       vp56_rac_get_prob(c, 129);
-                }
-            }
-        }
-#define STORE_COEF(c, i, v) do { \
-    if (is8bitsperpixel) { \
-        c[i] = v; \
-    } else { \
-        AV_WN32A(&c[i * 2], v); \
-    } \
-} while (0)
-        if (!--band_left)
-            band_left = band_counts[++band];
-        if (is_tx32x32)
-            STORE_COEF(coef, rc, ((vp8_rac_get(c) ? -val : val) * qmul[!!i]) / 2);
-        else
-            STORE_COEF(coef, rc, (vp8_rac_get(c) ? -val : val) * qmul[!!i]);
-        nnz = (1 + cache[nb[i][0]] + cache[nb[i][1]]) >> 1;
-        tp = p[band][nnz];
-    } while (++i < n_coeffs);
-
-    return i;
-}
-
-static int decode_coeffs_b_8bpp(VP9Context *s, int16_t *coef, int n_coeffs,
-                                unsigned (*cnt)[6][3], unsigned (*eob)[6][2],
-                                uint8_t (*p)[6][11], int nnz, const int16_t *scan,
-                                const int16_t (*nb)[2], const int16_t *band_counts,
-                                const int16_t *qmul)
-{
-    return decode_coeffs_b_generic(&s->c, coef, n_coeffs, 0, 1, 8, cnt, eob, p,
-                                   nnz, scan, nb, band_counts, qmul);
-}
-
-static int decode_coeffs_b32_8bpp(VP9Context *s, int16_t *coef, int n_coeffs,
-                                  unsigned (*cnt)[6][3], unsigned (*eob)[6][2],
-                                  uint8_t (*p)[6][11], int nnz, const int16_t *scan,
-                                  const int16_t (*nb)[2], const int16_t *band_counts,
-                                  const int16_t *qmul)
-{
-    return decode_coeffs_b_generic(&s->c, coef, n_coeffs, 1, 1, 8, cnt, eob, p,
-                                   nnz, scan, nb, band_counts, qmul);
-}
-
-static int decode_coeffs_b_16bpp(VP9Context *s, int16_t *coef, int n_coeffs,
-                                 unsigned (*cnt)[6][3], unsigned (*eob)[6][2],
-                                 uint8_t (*p)[6][11], int nnz, const int16_t *scan,
-                                 const int16_t (*nb)[2], const int16_t *band_counts,
-                                 const int16_t *qmul)
-{
-    return decode_coeffs_b_generic(&s->c, coef, n_coeffs, 0, 0, s->bpp, cnt, eob, p,
-                                   nnz, scan, nb, band_counts, qmul);
-}
-
-static int decode_coeffs_b32_16bpp(VP9Context *s, int16_t *coef, int n_coeffs,
-                                   unsigned (*cnt)[6][3], unsigned (*eob)[6][2],
-                                   uint8_t (*p)[6][11], int nnz, const int16_t *scan,
-                                   const int16_t (*nb)[2], const int16_t *band_counts,
-                                   const int16_t *qmul)
-{
-    return decode_coeffs_b_generic(&s->c, coef, n_coeffs, 1, 0, s->bpp, cnt, eob, p,
-                                   nnz, scan, nb, band_counts, qmul);
-}
-
-static av_always_inline int decode_coeffs(AVCodecContext *ctx, int is8bitsperpixel)
-{
-    VP9Context *s = ctx->priv_data;
-    VP9Block *b = s->b;
-    int row = s->row, col = s->col;
-    uint8_t (*p)[6][11] = s->prob.coef[b->tx][0 /* y */][!b->intra];
-    unsigned (*c)[6][3] = s->counts.coef[b->tx][0 /* y */][!b->intra];
-    unsigned (*e)[6][2] = s->counts.eob[b->tx][0 /* y */][!b->intra];
-    int w4 = bwh_tab[1][b->bs][0] << 1, h4 = bwh_tab[1][b->bs][1] << 1;
-    int end_x = FFMIN(2 * (s->cols - col), w4);
-    int end_y = FFMIN(2 * (s->rows - row), h4);
-    int n, pl, x, y, res;
-    int16_t (*qmul)[2] = s->s.h.segmentation.feat[b->seg_id].qmul;
-    int tx = 4 * s->s.h.lossless + b->tx;
-    const int16_t * const *yscans = vp9_scans[tx];
-    const int16_t (* const *ynbs)[2] = vp9_scans_nb[tx];
-    const int16_t *uvscan = vp9_scans[b->uvtx][DCT_DCT];
-    const int16_t (*uvnb)[2] = vp9_scans_nb[b->uvtx][DCT_DCT];
-    uint8_t *a = &s->above_y_nnz_ctx[col * 2];
-    uint8_t *l = &s->left_y_nnz_ctx[(row & 7) << 1];
-    static const int16_t band_counts[4][8] = {
-        { 1, 2, 3, 4,  3,   16 - 13 },
-        { 1, 2, 3, 4, 11,   64 - 21 },
-        { 1, 2, 3, 4, 11,  256 - 21 },
-        { 1, 2, 3, 4, 11, 1024 - 21 },
-    };
-    const int16_t *y_band_counts = band_counts[b->tx];
-    const int16_t *uv_band_counts = band_counts[b->uvtx];
-    int bytesperpixel = is8bitsperpixel ? 1 : 2;
-    int total_coeff = 0;
-
-#define MERGE(la, end, step, rd) \
-    for (n = 0; n < end; n += step) \
-        la[n] = !!rd(&la[n])
-#define MERGE_CTX(step, rd) \
-    do { \
-        MERGE(l, end_y, step, rd); \
-        MERGE(a, end_x, step, rd); \
-    } while (0)
-
-#define DECODE_Y_COEF_LOOP(step, mode_index, v) \
-    for (n = 0, y = 0; y < end_y; y += step) { \
-        for (x = 0; x < end_x; x += step, n += step * step) { \
-            enum TxfmType txtp = vp9_intra_txfm_type[b->mode[mode_index]]; \
-            res = (is8bitsperpixel ? decode_coeffs_b##v##_8bpp : decode_coeffs_b##v##_16bpp) \
-                                    (s, s->block + 16 * n * bytesperpixel, 16 * step * step, \
-                                     c, e, p, a[x] + l[y], yscans[txtp], \
-                                     ynbs[txtp], y_band_counts, qmul[0]); \
-            a[x] = l[y] = !!res; \
-            total_coeff |= !!res; \
-            if (step >= 4) { \
-                AV_WN16A(&s->eob[n], res); \
-            } else { \
-                s->eob[n] = res; \
-            } \
-        } \
-    }
-
-#define SPLAT(la, end, step, cond) \
-    if (step == 2) { \
-        for (n = 1; n < end; n += step) \
-            la[n] = la[n - 1]; \
-    } else if (step == 4) { \
-        if (cond) { \
-            for (n = 0; n < end; n += step) \
-                AV_WN32A(&la[n], la[n] * 0x01010101); \
-        } else { \
-            for (n = 0; n < end; n += step) \
-                memset(&la[n + 1], la[n], FFMIN(end - n - 1, 3)); \
-        } \
-    } else /* step == 8 */ { \
-        if (cond) { \
-            if (HAVE_FAST_64BIT) { \
-                for (n = 0; n < end; n += step) \
-                    AV_WN64A(&la[n], la[n] * 0x0101010101010101ULL); \
-            } else { \
-                for (n = 0; n < end; n += step) { \
-                    uint32_t v32 = la[n] * 0x01010101; \
-                    AV_WN32A(&la[n],     v32); \
-                    AV_WN32A(&la[n + 4], v32); \
-                } \
-            } \
-        } else { \
-            for (n = 0; n < end; n += step) \
-                memset(&la[n + 1], la[n], FFMIN(end - n - 1, 7)); \
-        } \
-    }
-#define SPLAT_CTX(step) \
-    do { \
-        SPLAT(a, end_x, step, end_x == w4); \
-        SPLAT(l, end_y, step, end_y == h4); \
-    } while (0)
-
-    /* y tokens */
-    switch (b->tx) {
-    case TX_4X4:
-        DECODE_Y_COEF_LOOP(1, b->bs > BS_8x8 ? n : 0,);
-        break;
-    case TX_8X8:
-        MERGE_CTX(2, AV_RN16A);
-        DECODE_Y_COEF_LOOP(2, 0,);
-        SPLAT_CTX(2);
-        break;
-    case TX_16X16:
-        MERGE_CTX(4, AV_RN32A);
-        DECODE_Y_COEF_LOOP(4, 0,);
-        SPLAT_CTX(4);
-        break;
-    case TX_32X32:
-        MERGE_CTX(8, AV_RN64A);
-        DECODE_Y_COEF_LOOP(8, 0, 32);
-        SPLAT_CTX(8);
-        break;
-    }
-
-#define DECODE_UV_COEF_LOOP(step, v) \
-    for (n = 0, y = 0; y < end_y; y += step) { \
-        for (x = 0; x < end_x; x += step, n += step * step) { \
-            res = (is8bitsperpixel ? decode_coeffs_b##v##_8bpp : decode_coeffs_b##v##_16bpp) \
-                                    (s, s->uvblock[pl] + 16 * n * bytesperpixel, \
-                                     16 * step * step, c, e, p, a[x] + l[y], \
-                                     uvscan, uvnb, uv_band_counts, qmul[1]); \
-            a[x] = l[y] = !!res; \
-            total_coeff |= !!res; \
-            if (step >= 4) { \
-                AV_WN16A(&s->uveob[pl][n], res); \
-            } else { \
-                s->uveob[pl][n] = res; \
-            } \
-        } \
-    }
-
-    p = s->prob.coef[b->uvtx][1 /* uv */][!b->intra];
-    c = s->counts.coef[b->uvtx][1 /* uv */][!b->intra];
-    e = s->counts.eob[b->uvtx][1 /* uv */][!b->intra];
-    w4 >>= s->ss_h;
-    end_x >>= s->ss_h;
-    h4 >>= s->ss_v;
-    end_y >>= s->ss_v;
-    for (pl = 0; pl < 2; pl++) {
-        a = &s->above_uv_nnz_ctx[pl][col << !s->ss_h];
-        l = &s->left_uv_nnz_ctx[pl][(row & 7) << !s->ss_v];
-        switch (b->uvtx) {
-        case TX_4X4:
-            DECODE_UV_COEF_LOOP(1,);
-            break;
-        case TX_8X8:
-            MERGE_CTX(2, AV_RN16A);
-            DECODE_UV_COEF_LOOP(2,);
-            SPLAT_CTX(2);
-            break;
-        case TX_16X16:
-            MERGE_CTX(4, AV_RN32A);
-            DECODE_UV_COEF_LOOP(4,);
-            SPLAT_CTX(4);
-            break;
-        case TX_32X32:
-            MERGE_CTX(8, AV_RN64A);
-            DECODE_UV_COEF_LOOP(8, 32);
-            SPLAT_CTX(8);
-            break;
-        }
-    }
-
-    return total_coeff;
-}
-
-static int decode_coeffs_8bpp(AVCodecContext *ctx)
-{
-    return decode_coeffs(ctx, 1);
-}
-
-static int decode_coeffs_16bpp(AVCodecContext *ctx)
-{
-    return decode_coeffs(ctx, 0);
-}
-
-static av_always_inline int check_intra_mode(VP9Context *s, int mode, uint8_t **a,
-                                             uint8_t *dst_edge, ptrdiff_t stride_edge,
-                                             uint8_t *dst_inner, ptrdiff_t stride_inner,
-                                             uint8_t *l, int col, int x, int w,
-                                             int row, int y, enum TxfmMode tx,
-                                             int p, int ss_h, int ss_v, int bytesperpixel)
-{
-    int have_top = row > 0 || y > 0;
-    int have_left = col > s->tile_col_start || x > 0;
-    int have_right = x < w - 1;
-    int bpp = s->bpp;
-    static const uint8_t mode_conv[10][2 /* have_left */][2 /* have_top */] = {
-        [VERT_PRED]            = { { DC_127_PRED,          VERT_PRED },
-                                   { DC_127_PRED,          VERT_PRED } },
-        [HOR_PRED]             = { { DC_129_PRED,          DC_129_PRED },
-                                   { HOR_PRED,             HOR_PRED } },
-        [DC_PRED]              = { { DC_128_PRED,          TOP_DC_PRED },
-                                   { LEFT_DC_PRED,         DC_PRED } },
-        [DIAG_DOWN_LEFT_PRED]  = { { DC_127_PRED,          DIAG_DOWN_LEFT_PRED },
-                                   { DC_127_PRED,          DIAG_DOWN_LEFT_PRED } },
-        [DIAG_DOWN_RIGHT_PRED] = { { DIAG_DOWN_RIGHT_PRED, DIAG_DOWN_RIGHT_PRED },
-                                   { DIAG_DOWN_RIGHT_PRED, DIAG_DOWN_RIGHT_PRED } },
-        [VERT_RIGHT_PRED]      = { { VERT_RIGHT_PRED,      VERT_RIGHT_PRED },
-                                   { VERT_RIGHT_PRED,      VERT_RIGHT_PRED } },
-        [HOR_DOWN_PRED]        = { { HOR_DOWN_PRED,        HOR_DOWN_PRED },
-                                   { HOR_DOWN_PRED,        HOR_DOWN_PRED } },
-        [VERT_LEFT_PRED]       = { { DC_127_PRED,          VERT_LEFT_PRED },
-                                   { DC_127_PRED,          VERT_LEFT_PRED } },
-        [HOR_UP_PRED]          = { { DC_129_PRED,          DC_129_PRED },
-                                   { HOR_UP_PRED,          HOR_UP_PRED } },
-        [TM_VP8_PRED]          = { { DC_129_PRED,          VERT_PRED },
-                                   { HOR_PRED,             TM_VP8_PRED } },
-    };
-    static const struct {
-        uint8_t needs_left:1;
-        uint8_t needs_top:1;
-        uint8_t needs_topleft:1;
-        uint8_t needs_topright:1;
-        uint8_t invert_left:1;
-    } edges[N_INTRA_PRED_MODES] = {
-        [VERT_PRED]            = { .needs_top  = 1 },
-        [HOR_PRED]             = { .needs_left = 1 },
-        [DC_PRED]              = { .needs_top  = 1, .needs_left = 1 },
-        [DIAG_DOWN_LEFT_PRED]  = { .needs_top  = 1, .needs_topright = 1 },
-        [DIAG_DOWN_RIGHT_PRED] = { .needs_left = 1, .needs_top = 1, .needs_topleft = 1 },
-        [VERT_RIGHT_PRED]      = { .needs_left = 1, .needs_top = 1, .needs_topleft = 1 },
-        [HOR_DOWN_PRED]        = { .needs_left = 1, .needs_top = 1, .needs_topleft = 1 },
-        [VERT_LEFT_PRED]       = { .needs_top  = 1, .needs_topright = 1 },
-        [HOR_UP_PRED]          = { .needs_left = 1, .invert_left = 1 },
-        [TM_VP8_PRED]          = { .needs_left = 1, .needs_top = 1, .needs_topleft = 1 },
-        [LEFT_DC_PRED]         = { .needs_left = 1 },
-        [TOP_DC_PRED]          = { .needs_top  = 1 },
-        [DC_128_PRED]          = { 0 },
-        [DC_127_PRED]          = { 0 },
-        [DC_129_PRED]          = { 0 }
-    };
-
-    av_assert2(mode >= 0 && mode < 10);
-    mode = mode_conv[mode][have_left][have_top];
-    if (edges[mode].needs_top) {
-        uint8_t *top, *topleft;
-        int n_px_need = 4 << tx, n_px_have = (((s->cols - col) << !ss_h) - x) * 4;
-        int n_px_need_tr = 0;
-
-        if (tx == TX_4X4 && edges[mode].needs_topright && have_right)
-            n_px_need_tr = 4;
-
-        // if top of sb64-row, use s->intra_pred_data[] instead of
-        // dst[-stride] for intra prediction (it contains pre- instead of
-        // post-loopfilter data)
-        if (have_top) {
-            top = !(row & 7) && !y ?
-                s->intra_pred_data[p] + (col * (8 >> ss_h) + x * 4) * bytesperpixel :
-                y == 0 ? &dst_edge[-stride_edge] : &dst_inner[-stride_inner];
-            if (have_left)
-                topleft = !(row & 7) && !y ?
-                    s->intra_pred_data[p] + (col * (8 >> ss_h) + x * 4) * bytesperpixel :
-                    y == 0 || x == 0 ? &dst_edge[-stride_edge] :
-                    &dst_inner[-stride_inner];
-        }
-
-        if (have_top &&
-            (!edges[mode].needs_topleft || (have_left && top == topleft)) &&
-            (tx != TX_4X4 || !edges[mode].needs_topright || have_right) &&
-            n_px_need + n_px_need_tr <= n_px_have) {
-            *a = top;
-        } else {
-            if (have_top) {
-                if (n_px_need <= n_px_have) {
-                    memcpy(*a, top, n_px_need * bytesperpixel);
-                } else {
-#define memset_bpp(c, i1, v, i2, num) do { \
-    if (bytesperpixel == 1) { \
-        memset(&(c)[(i1)], (v)[(i2)], (num)); \
-    } else { \
-        int n, val = AV_RN16A(&(v)[(i2) * 2]); \
-        for (n = 0; n < (num); n++) { \
-            AV_WN16A(&(c)[((i1) + n) * 2], val); \
-        } \
-    } \
-} while (0)
-                    memcpy(*a, top, n_px_have * bytesperpixel);
-                    memset_bpp(*a, n_px_have, (*a), n_px_have - 1, n_px_need - n_px_have);
-                }
-            } else {
-#define memset_val(c, val, num) do { \
-    if (bytesperpixel == 1) { \
-        memset((c), (val), (num)); \
-    } else { \
-        int n; \
-        for (n = 0; n < (num); n++) { \
-            AV_WN16A(&(c)[n * 2], (val)); \
-        } \
-    } \
-} while (0)
-                memset_val(*a, (128 << (bpp - 8)) - 1, n_px_need);
-            }
-            if (edges[mode].needs_topleft) {
-                if (have_left && have_top) {
-#define assign_bpp(c, i1, v, i2) do { \
-    if (bytesperpixel == 1) { \
-        (c)[(i1)] = (v)[(i2)]; \
-    } else { \
-        AV_COPY16(&(c)[(i1) * 2], &(v)[(i2) * 2]); \
-    } \
-} while (0)
-                    assign_bpp(*a, -1, topleft, -1);
-                } else {
-#define assign_val(c, i, v) do { \
-    if (bytesperpixel == 1) { \
-        (c)[(i)] = (v); \
-    } else { \
-        AV_WN16A(&(c)[(i) * 2], (v)); \
-    } \
-} while (0)
-                    assign_val((*a), -1, (128 << (bpp - 8)) + (have_top ? +1 : -1));
-                }
-            }
-            if (tx == TX_4X4 && edges[mode].needs_topright) {
-                if (have_top && have_right &&
-                    n_px_need + n_px_need_tr <= n_px_have) {
-                    memcpy(&(*a)[4 * bytesperpixel], &top[4 * bytesperpixel], 4 * bytesperpixel);
-                } else {
-                    memset_bpp(*a, 4, *a, 3, 4);
-                }
-            }
-        }
-    }
-    if (edges[mode].needs_left) {
-        if (have_left) {
-            int n_px_need = 4 << tx, i, n_px_have = (((s->rows - row) << !ss_v) - y) * 4;
-            uint8_t *dst = x == 0 ? dst_edge : dst_inner;
-            ptrdiff_t stride = x == 0 ? stride_edge : stride_inner;
-
-            if (edges[mode].invert_left) {
-                if (n_px_need <= n_px_have) {
-                    for (i = 0; i < n_px_need; i++)
-                        assign_bpp(l, i, &dst[i * stride], -1);
-                } else {
-                    for (i = 0; i < n_px_have; i++)
-                        assign_bpp(l, i, &dst[i * stride], -1);
-                    memset_bpp(l, n_px_have, l, n_px_have - 1, n_px_need - n_px_have);
-                }
-            } else {
-                if (n_px_need <= n_px_have) {
-                    for (i = 0; i < n_px_need; i++)
-                        assign_bpp(l, n_px_need - 1 - i, &dst[i * stride], -1);
-                } else {
-                    for (i = 0; i < n_px_have; i++)
-                        assign_bpp(l, n_px_need - 1 - i, &dst[i * stride], -1);
-                    memset_bpp(l, 0, l, n_px_need - n_px_have, n_px_need - n_px_have);
-                }
-            }
-        } else {
-            memset_val(l, (128 << (bpp - 8)) + 1, 4 << tx);
-        }
-    }
-
-    return mode;
-}
-
-static av_always_inline void intra_recon(AVCodecContext *ctx, ptrdiff_t y_off,
-                                         ptrdiff_t uv_off, int bytesperpixel)
-{
-    VP9Context *s = ctx->priv_data;
-    VP9Block *b = s->b;
-    int row = s->row, col = s->col;
-    int w4 = bwh_tab[1][b->bs][0] << 1, step1d = 1 << b->tx, n;
-    int h4 = bwh_tab[1][b->bs][1] << 1, x, y, step = 1 << (b->tx * 2);
-    int end_x = FFMIN(2 * (s->cols - col), w4);
-    int end_y = FFMIN(2 * (s->rows - row), h4);
-    int tx = 4 * s->s.h.lossless + b->tx, uvtx = b->uvtx + 4 * s->s.h.lossless;
-    int uvstep1d = 1 << b->uvtx, p;
-    uint8_t *dst = s->dst[0], *dst_r = s->s.frames[CUR_FRAME].tf.f->data[0] + y_off;
-    LOCAL_ALIGNED_32(uint8_t, a_buf, [96]);
-    LOCAL_ALIGNED_32(uint8_t, l, [64]);
-
-    for (n = 0, y = 0; y < end_y; y += step1d) {
-        uint8_t *ptr = dst, *ptr_r = dst_r;
-        for (x = 0; x < end_x; x += step1d, ptr += 4 * step1d * bytesperpixel,
-                               ptr_r += 4 * step1d * bytesperpixel, n += step) {
-            int mode = b->mode[b->bs > BS_8x8 && b->tx == TX_4X4 ?
-                               y * 2 + x : 0];
-            uint8_t *a = &a_buf[32];
-            enum TxfmType txtp = vp9_intra_txfm_type[mode];
-            int eob = b->skip ? 0 : b->tx > TX_8X8 ? AV_RN16A(&s->eob[n]) : s->eob[n];
-
-            mode = check_intra_mode(s, mode, &a, ptr_r,
-                                    s->s.frames[CUR_FRAME].tf.f->linesize[0],
-                                    ptr, s->y_stride, l,
-                                    col, x, w4, row, y, b->tx, 0, 0, 0, bytesperpixel);
-            s->dsp.intra_pred[b->tx][mode](ptr, s->y_stride, l, a);
-            if (eob)
-                s->dsp.itxfm_add[tx][txtp](ptr, s->y_stride,
-                                           s->block + 16 * n * bytesperpixel, eob);
-        }
-        dst_r += 4 * step1d * s->s.frames[CUR_FRAME].tf.f->linesize[0];
-        dst   += 4 * step1d * s->y_stride;
-    }
-
-    // U/V
-    w4 >>= s->ss_h;
-    end_x >>= s->ss_h;
-    end_y >>= s->ss_v;
-    step = 1 << (b->uvtx * 2);
-    for (p = 0; p < 2; p++) {
-        dst   = s->dst[1 + p];
-        dst_r = s->s.frames[CUR_FRAME].tf.f->data[1 + p] + uv_off;
-        for (n = 0, y = 0; y < end_y; y += uvstep1d) {
-            uint8_t *ptr = dst, *ptr_r = dst_r;
-            for (x = 0; x < end_x; x += uvstep1d, ptr += 4 * uvstep1d * bytesperpixel,
-                                   ptr_r += 4 * uvstep1d * bytesperpixel, n += step) {
-                int mode = b->uvmode;
-                uint8_t *a = &a_buf[32];
-                int eob = b->skip ? 0 : b->uvtx > TX_8X8 ? AV_RN16A(&s->uveob[p][n]) : s->uveob[p][n];
-
-                mode = check_intra_mode(s, mode, &a, ptr_r,
-                                        s->s.frames[CUR_FRAME].tf.f->linesize[1],
-                                        ptr, s->uv_stride, l, col, x, w4, row, y,
-                                        b->uvtx, p + 1, s->ss_h, s->ss_v, bytesperpixel);
-                s->dsp.intra_pred[b->uvtx][mode](ptr, s->uv_stride, l, a);
-                if (eob)
-                    s->dsp.itxfm_add[uvtx][DCT_DCT](ptr, s->uv_stride,
-                                                    s->uvblock[p] + 16 * n * bytesperpixel, eob);
-            }
-            dst_r += 4 * uvstep1d * s->s.frames[CUR_FRAME].tf.f->linesize[1];
-            dst   += 4 * uvstep1d * s->uv_stride;
-        }
-    }
-}
-
-static void intra_recon_8bpp(AVCodecContext *ctx, ptrdiff_t y_off, ptrdiff_t uv_off)
-{
-    intra_recon(ctx, y_off, uv_off, 1);
-}
-
-static void intra_recon_16bpp(AVCodecContext *ctx, ptrdiff_t y_off, ptrdiff_t uv_off)
-{
-    intra_recon(ctx, y_off, uv_off, 2);
-}
-
-static av_always_inline void mc_luma_unscaled(VP9Context *s, vp9_mc_func (*mc)[2],
-                                              uint8_t *dst, ptrdiff_t dst_stride,
-                                              const uint8_t *ref, ptrdiff_t ref_stride,
-                                              ThreadFrame *ref_frame,
-                                              ptrdiff_t y, ptrdiff_t x, const VP56mv *mv,
-                                              int bw, int bh, int w, int h, int bytesperpixel)
-{
-    int mx = mv->x, my = mv->y, th;
-
-    y += my >> 3;
-    x += mx >> 3;
-    ref += y * ref_stride + x * bytesperpixel;
-    mx &= 7;
-    my &= 7;
-    // FIXME bilinear filter only needs 0/1 pixels, not 3/4
-    // we use +7 because the last 7 pixels of each sbrow can be changed in
-    // the longest loopfilter of the next sbrow
-    th = (y + bh + 4 * !!my + 7) >> 6;
-    ff_thread_await_progress(ref_frame, FFMAX(th, 0), 0);
-    if (x < !!mx * 3 || y < !!my * 3 ||
-        x + !!mx * 4 > w - bw || y + !!my * 4 > h - bh) {
-        s->vdsp.emulated_edge_mc(s->edge_emu_buffer,
-                                 ref - !!my * 3 * ref_stride - !!mx * 3 * bytesperpixel,
-                                 160, ref_stride,
-                                 bw + !!mx * 7, bh + !!my * 7,
-                                 x - !!mx * 3, y - !!my * 3, w, h);
-        ref = s->edge_emu_buffer + !!my * 3 * 160 + !!mx * 3 * bytesperpixel;
-        ref_stride = 160;
-    }
-    mc[!!mx][!!my](dst, dst_stride, ref, ref_stride, bh, mx << 1, my << 1);
-}
-
-static av_always_inline void mc_chroma_unscaled(VP9Context *s, vp9_mc_func (*mc)[2],
-                                                uint8_t *dst_u, uint8_t *dst_v,
-                                                ptrdiff_t dst_stride,
-                                                const uint8_t *ref_u, ptrdiff_t src_stride_u,
-                                                const uint8_t *ref_v, ptrdiff_t src_stride_v,
-                                                ThreadFrame *ref_frame,
-                                                ptrdiff_t y, ptrdiff_t x, const VP56mv *mv,
-                                                int bw, int bh, int w, int h, int bytesperpixel)
-{
-    int mx = mv->x * (1 << !s->ss_h), my = mv->y * (1 << !s->ss_v), th;
-
-    y += my >> 4;
-    x += mx >> 4;
-    ref_u += y * src_stride_u + x * bytesperpixel;
-    ref_v += y * src_stride_v + x * bytesperpixel;
-    mx &= 15;
-    my &= 15;
-    // FIXME bilinear filter only needs 0/1 pixels, not 3/4
-    // we use +7 because the last 7 pixels of each sbrow can be changed in
-    // the longest loopfilter of the next sbrow
-    th = (y + bh + 4 * !!my + 7) >> (6 - s->ss_v);
-    ff_thread_await_progress(ref_frame, FFMAX(th, 0), 0);
-    if (x < !!mx * 3 || y < !!my * 3 ||
-        x + !!mx * 4 > w - bw || y + !!my * 4 > h - bh) {
-        s->vdsp.emulated_edge_mc(s->edge_emu_buffer,
-                                 ref_u - !!my * 3 * src_stride_u - !!mx * 3 * bytesperpixel,
-                                 160, src_stride_u,
-                                 bw + !!mx * 7, bh + !!my * 7,
-                                 x - !!mx * 3, y - !!my * 3, w, h);
-        ref_u = s->edge_emu_buffer + !!my * 3 * 160 + !!mx * 3 * bytesperpixel;
-        mc[!!mx][!!my](dst_u, dst_stride, ref_u, 160, bh, mx, my);
-
-        s->vdsp.emulated_edge_mc(s->edge_emu_buffer,
-                                 ref_v - !!my * 3 * src_stride_v - !!mx * 3 * bytesperpixel,
-                                 160, src_stride_v,
-                                 bw + !!mx * 7, bh + !!my * 7,
-                                 x - !!mx * 3, y - !!my * 3, w, h);
-        ref_v = s->edge_emu_buffer + !!my * 3 * 160 + !!mx * 3 * bytesperpixel;
-        mc[!!mx][!!my](dst_v, dst_stride, ref_v, 160, bh, mx, my);
-    } else {
-        mc[!!mx][!!my](dst_u, dst_stride, ref_u, src_stride_u, bh, mx, my);
-        mc[!!mx][!!my](dst_v, dst_stride, ref_v, src_stride_v, bh, mx, my);
-    }
-}
-
-#define mc_luma_dir(s, mc, dst, dst_ls, src, src_ls, tref, row, col, mv, \
-                    px, py, pw, ph, bw, bh, w, h, i) \
-    mc_luma_unscaled(s, s->dsp.mc, dst, dst_ls, src, src_ls, tref, row, col, \
-                     mv, bw, bh, w, h, bytesperpixel)
-#define mc_chroma_dir(s, mc, dstu, dstv, dst_ls, srcu, srcu_ls, srcv, srcv_ls, tref, \
-                      row, col, mv, px, py, pw, ph, bw, bh, w, h, i) \
-    mc_chroma_unscaled(s, s->dsp.mc, dstu, dstv, dst_ls, srcu, srcu_ls, srcv, srcv_ls, tref, \
-                       row, col, mv, bw, bh, w, h, bytesperpixel)
-#define SCALED 0
-#define FN(x) x##_8bpp
-#define BYTES_PER_PIXEL 1
-#include "vp9_mc_template.c"
-#undef FN
-#undef BYTES_PER_PIXEL
-#define FN(x) x##_16bpp
-#define BYTES_PER_PIXEL 2
-#include "vp9_mc_template.c"
-#undef mc_luma_dir
-#undef mc_chroma_dir
-#undef FN
-#undef BYTES_PER_PIXEL
-#undef SCALED
-
-static av_always_inline void mc_luma_scaled(VP9Context *s, vp9_scaled_mc_func smc,
-                                            vp9_mc_func (*mc)[2],
-                                            uint8_t *dst, ptrdiff_t dst_stride,
-                                            const uint8_t *ref, ptrdiff_t ref_stride,
-                                            ThreadFrame *ref_frame,
-                                            ptrdiff_t y, ptrdiff_t x, const VP56mv *in_mv,
-                                            int px, int py, int pw, int ph,
-                                            int bw, int bh, int w, int h, int bytesperpixel,
-                                            const uint16_t *scale, const uint8_t *step)
-{
-    if (s->s.frames[CUR_FRAME].tf.f->width == ref_frame->f->width &&
-        s->s.frames[CUR_FRAME].tf.f->height == ref_frame->f->height) {
-        mc_luma_unscaled(s, mc, dst, dst_stride, ref, ref_stride, ref_frame,
-                         y, x, in_mv, bw, bh, w, h, bytesperpixel);
-    } else {
-#define scale_mv(n, dim) (((int64_t)(n) * scale[dim]) >> 14)
-    int mx, my;
-    int refbw_m1, refbh_m1;
-    int th;
-    VP56mv mv;
-
-    mv.x = av_clip(in_mv->x, -(x + pw - px + 4) * 8, (s->cols * 8 - x + px + 3) * 8);
-    mv.y = av_clip(in_mv->y, -(y + ph - py + 4) * 8, (s->rows * 8 - y + py + 3) * 8);
-    // BUG libvpx seems to scale the two components separately. This introduces
-    // rounding errors but we have to reproduce them to be exactly compatible
-    // with the output from libvpx...
-    mx = scale_mv(mv.x * 2, 0) + scale_mv(x * 16, 0);
-    my = scale_mv(mv.y * 2, 1) + scale_mv(y * 16, 1);
-
-    y = my >> 4;
-    x = mx >> 4;
-    ref += y * ref_stride + x * bytesperpixel;
-    mx &= 15;
-    my &= 15;
-    refbw_m1 = ((bw - 1) * step[0] + mx) >> 4;
-    refbh_m1 = ((bh - 1) * step[1] + my) >> 4;
-    // FIXME bilinear filter only needs 0/1 pixels, not 3/4
-    // we use +7 because the last 7 pixels of each sbrow can be changed in
-    // the longest loopfilter of the next sbrow
-    th = (y + refbh_m1 + 4 + 7) >> 6;
-    ff_thread_await_progress(ref_frame, FFMAX(th, 0), 0);
-    if (x < 3 || y < 3 || x + 4 >= w - refbw_m1 || y + 4 >= h - refbh_m1) {
-        s->vdsp.emulated_edge_mc(s->edge_emu_buffer,
-                                 ref - 3 * ref_stride - 3 * bytesperpixel,
-                                 288, ref_stride,
-                                 refbw_m1 + 8, refbh_m1 + 8,
-                                 x - 3, y - 3, w, h);
-        ref = s->edge_emu_buffer + 3 * 288 + 3 * bytesperpixel;
-        ref_stride = 288;
-    }
-    smc(dst, dst_stride, ref, ref_stride, bh, mx, my, step[0], step[1]);
-    }
-}
-
-static av_always_inline void mc_chroma_scaled(VP9Context *s, vp9_scaled_mc_func smc,
-                                              vp9_mc_func (*mc)[2],
-                                              uint8_t *dst_u, uint8_t *dst_v,
-                                              ptrdiff_t dst_stride,
-                                              const uint8_t *ref_u, ptrdiff_t src_stride_u,
-                                              const uint8_t *ref_v, ptrdiff_t src_stride_v,
-                                              ThreadFrame *ref_frame,
-                                              ptrdiff_t y, ptrdiff_t x, const VP56mv *in_mv,
-                                              int px, int py, int pw, int ph,
-                                              int bw, int bh, int w, int h, int bytesperpixel,
-                                              const uint16_t *scale, const uint8_t *step)
-{
-    if (s->s.frames[CUR_FRAME].tf.f->width == ref_frame->f->width &&
-        s->s.frames[CUR_FRAME].tf.f->height == ref_frame->f->height) {
-        mc_chroma_unscaled(s, mc, dst_u, dst_v, dst_stride, ref_u, src_stride_u,
-                           ref_v, src_stride_v, ref_frame,
-                           y, x, in_mv, bw, bh, w, h, bytesperpixel);
-    } else {
-    int mx, my;
-    int refbw_m1, refbh_m1;
-    int th;
-    VP56mv mv;
-
-    if (s->ss_h) {
-        // BUG https://code.google.com/p/webm/issues/detail?id=820
-        mv.x = av_clip(in_mv->x, -(x + pw - px + 4) * 16, (s->cols * 4 - x + px + 3) * 16);
-        mx = scale_mv(mv.x, 0) + (scale_mv(x * 16, 0) & ~15) + (scale_mv(x * 32, 0) & 15);
-    } else {
-        mv.x = av_clip(in_mv->x, -(x + pw - px + 4) * 8, (s->cols * 8 - x + px + 3) * 8);
-        mx = scale_mv(mv.x * 2, 0) + scale_mv(x * 16, 0);
-    }
-    if (s->ss_v) {
-        // BUG https://code.google.com/p/webm/issues/detail?id=820
-        mv.y = av_clip(in_mv->y, -(y + ph - py + 4) * 16, (s->rows * 4 - y + py + 3) * 16);
-        my = scale_mv(mv.y, 1) + (scale_mv(y * 16, 1) & ~15) + (scale_mv(y * 32, 1) & 15);
-    } else {
-        mv.y = av_clip(in_mv->y, -(y + ph - py + 4) * 8, (s->rows * 8 - y + py + 3) * 8);
-        my = scale_mv(mv.y * 2, 1) + scale_mv(y * 16, 1);
-    }
-#undef scale_mv
-    y = my >> 4;
-    x = mx >> 4;
-    ref_u += y * src_stride_u + x * bytesperpixel;
-    ref_v += y * src_stride_v + x * bytesperpixel;
-    mx &= 15;
-    my &= 15;
-    refbw_m1 = ((bw - 1) * step[0] + mx) >> 4;
-    refbh_m1 = ((bh - 1) * step[1] + my) >> 4;
-    // FIXME bilinear filter only needs 0/1 pixels, not 3/4
-    // we use +7 because the last 7 pixels of each sbrow can be changed in
-    // the longest loopfilter of the next sbrow
-    th = (y + refbh_m1 + 4 + 7) >> (6 - s->ss_v);
-    ff_thread_await_progress(ref_frame, FFMAX(th, 0), 0);
-    if (x < 3 || y < 3 || x + 4 >= w - refbw_m1 || y + 4 >= h - refbh_m1) {
-        s->vdsp.emulated_edge_mc(s->edge_emu_buffer,
-                                 ref_u - 3 * src_stride_u - 3 * bytesperpixel,
-                                 288, src_stride_u,
-                                 refbw_m1 + 8, refbh_m1 + 8,
-                                 x - 3, y - 3, w, h);
-        ref_u = s->edge_emu_buffer + 3 * 288 + 3 * bytesperpixel;
-        smc(dst_u, dst_stride, ref_u, 288, bh, mx, my, step[0], step[1]);
-
-        s->vdsp.emulated_edge_mc(s->edge_emu_buffer,
-                                 ref_v - 3 * src_stride_v - 3 * bytesperpixel,
-                                 288, src_stride_v,
-                                 refbw_m1 + 8, refbh_m1 + 8,
-                                 x - 3, y - 3, w, h);
-        ref_v = s->edge_emu_buffer + 3 * 288 + 3 * bytesperpixel;
-        smc(dst_v, dst_stride, ref_v, 288, bh, mx, my, step[0], step[1]);
-    } else {
-        smc(dst_u, dst_stride, ref_u, src_stride_u, bh, mx, my, step[0], step[1]);
-        smc(dst_v, dst_stride, ref_v, src_stride_v, bh, mx, my, step[0], step[1]);
-    }
-    }
-}
-
-#define mc_luma_dir(s, mc, dst, dst_ls, src, src_ls, tref, row, col, mv, \
-                    px, py, pw, ph, bw, bh, w, h, i) \
-    mc_luma_scaled(s, s->dsp.s##mc, s->dsp.mc, dst, dst_ls, src, src_ls, tref, row, col, \
-                   mv, px, py, pw, ph, bw, bh, w, h, bytesperpixel, \
-                   s->mvscale[b->ref[i]], s->mvstep[b->ref[i]])
-#define mc_chroma_dir(s, mc, dstu, dstv, dst_ls, srcu, srcu_ls, srcv, srcv_ls, tref, \
-                      row, col, mv, px, py, pw, ph, bw, bh, w, h, i) \
-    mc_chroma_scaled(s, s->dsp.s##mc, s->dsp.mc, dstu, dstv, dst_ls, srcu, srcu_ls, srcv, srcv_ls, tref, \
-                     row, col, mv, px, py, pw, ph, bw, bh, w, h, bytesperpixel, \
-                     s->mvscale[b->ref[i]], s->mvstep[b->ref[i]])
-#define SCALED 1
-#define FN(x) x##_scaled_8bpp
-#define BYTES_PER_PIXEL 1
-#include "vp9_mc_template.c"
-#undef FN
-#undef BYTES_PER_PIXEL
-#define FN(x) x##_scaled_16bpp
-#define BYTES_PER_PIXEL 2
-#include "vp9_mc_template.c"
-#undef mc_luma_dir
-#undef mc_chroma_dir
-#undef FN
-#undef BYTES_PER_PIXEL
-#undef SCALED
-
-static av_always_inline void inter_recon(AVCodecContext *ctx, int bytesperpixel)
-{
-    VP9Context *s = ctx->priv_data;
-    VP9Block *b = s->b;
-    int row = s->row, col = s->col;
-
-    if (s->mvscale[b->ref[0]][0] || (b->comp && s->mvscale[b->ref[1]][0])) {
-        if (bytesperpixel == 1) {
-            inter_pred_scaled_8bpp(ctx);
-        } else {
-            inter_pred_scaled_16bpp(ctx);
-        }
-    } else {
-        if (bytesperpixel == 1) {
-            inter_pred_8bpp(ctx);
-        } else {
-            inter_pred_16bpp(ctx);
-        }
-    }
-    if (!b->skip) {
-        /* mostly copied intra_recon() */
-
-        int w4 = bwh_tab[1][b->bs][0] << 1, step1d = 1 << b->tx, n;
-        int h4 = bwh_tab[1][b->bs][1] << 1, x, y, step = 1 << (b->tx * 2);
-        int end_x = FFMIN(2 * (s->cols - col), w4);
-        int end_y = FFMIN(2 * (s->rows - row), h4);
-        int tx = 4 * s->s.h.lossless + b->tx, uvtx = b->uvtx + 4 * s->s.h.lossless;
-        int uvstep1d = 1 << b->uvtx, p;
-        uint8_t *dst = s->dst[0];
-
-        // y itxfm add
-        for (n = 0, y = 0; y < end_y; y += step1d) {
-            uint8_t *ptr = dst;
-            for (x = 0; x < end_x; x += step1d,
-                 ptr += 4 * step1d * bytesperpixel, n += step) {
-                int eob = b->tx > TX_8X8 ? AV_RN16A(&s->eob[n]) : s->eob[n];
-
-                if (eob)
-                    s->dsp.itxfm_add[tx][DCT_DCT](ptr, s->y_stride,
-                                                  s->block + 16 * n * bytesperpixel, eob);
-            }
-            dst += 4 * s->y_stride * step1d;
-        }
-
-        // uv itxfm add
-        end_x >>= s->ss_h;
-        end_y >>= s->ss_v;
-        step = 1 << (b->uvtx * 2);
-        for (p = 0; p < 2; p++) {
-            dst = s->dst[p + 1];
-            for (n = 0, y = 0; y < end_y; y += uvstep1d) {
-                uint8_t *ptr = dst;
-                for (x = 0; x < end_x; x += uvstep1d,
-                     ptr += 4 * uvstep1d * bytesperpixel, n += step) {
-                    int eob = b->uvtx > TX_8X8 ? AV_RN16A(&s->uveob[p][n]) : s->uveob[p][n];
-
-                    if (eob)
-                        s->dsp.itxfm_add[uvtx][DCT_DCT](ptr, s->uv_stride,
-                                                        s->uvblock[p] + 16 * n * bytesperpixel, eob);
-                }
-                dst += 4 * uvstep1d * s->uv_stride;
-            }
-        }
-    }
-}
-
-static void inter_recon_8bpp(AVCodecContext *ctx)
-{
-    inter_recon(ctx, 1);
-}
-
-static void inter_recon_16bpp(AVCodecContext *ctx)
-{
-    inter_recon(ctx, 2);
-}
-
-static av_always_inline void mask_edges(uint8_t (*mask)[8][4], int ss_h, int ss_v,
-                                        int row_and_7, int col_and_7,
-                                        int w, int h, int col_end, int row_end,
-                                        enum TxfmMode tx, int skip_inter)
-{
-    static const unsigned wide_filter_col_mask[2] = { 0x11, 0x01 };
-    static const unsigned wide_filter_row_mask[2] = { 0x03, 0x07 };
-
-    // FIXME I'm pretty sure all loops can be replaced by a single LUT if
-    // we make VP9Filter.mask uint64_t (i.e. row/col all single variable)
-    // and make the LUT 5-indexed (bl, bp, is_uv, tx and row/col), and then
-    // use row_and_7/col_and_7 as shifts (1*col_and_7+8*row_and_7)
-
-    // the intended behaviour of the vp9 loopfilter is to work on 8-pixel
-    // edges. This means that for UV, we work on two subsampled blocks at
-    // a time, and we only use the topleft block's mode information to set
-    // things like block strength. Thus, for any block size smaller than
-    // 16x16, ignore the odd portion of the block.
-    if (tx == TX_4X4 && (ss_v | ss_h)) {
-        if (h == ss_v) {
-            if (row_and_7 & 1)
-                return;
-            if (!row_end)
-                h += 1;
-        }
-        if (w == ss_h) {
-            if (col_and_7 & 1)
-                return;
-            if (!col_end)
-                w += 1;
-        }
-    }
-
-    if (tx == TX_4X4 && !skip_inter) {
-        int t = 1 << col_and_7, m_col = (t << w) - t, y;
-        // on 32-px edges, use the 8-px wide loopfilter; else, use 4-px wide
-        int m_row_8 = m_col & wide_filter_col_mask[ss_h], m_row_4 = m_col - m_row_8;
-
-        for (y = row_and_7; y < h + row_and_7; y++) {
-            int col_mask_id = 2 - !(y & wide_filter_row_mask[ss_v]);
-
-            mask[0][y][1] |= m_row_8;
-            mask[0][y][2] |= m_row_4;
-            // for odd lines, if the odd col is not being filtered,
-            // skip odd row also:
-            // .---. <-- a
-            // |   |
-            // |___| <-- b
-            // ^   ^
-            // c   d
-            //
-            // if a/c are even row/col and b/d are odd, and d is skipped,
-            // e.g. right edge of size-66x66.webm, then skip b also (bug)
-            if ((ss_h & ss_v) && (col_end & 1) && (y & 1)) {
-                mask[1][y][col_mask_id] |= (t << (w - 1)) - t;
-            } else {
-                mask[1][y][col_mask_id] |= m_col;
-            }
-            if (!ss_h)
-                mask[0][y][3] |= m_col;
-            if (!ss_v) {
-                if (ss_h && (col_end & 1))
-                    mask[1][y][3] |= (t << (w - 1)) - t;
-                else
-                    mask[1][y][3] |= m_col;
-            }
-        }
-    } else {
-        int y, t = 1 << col_and_7, m_col = (t << w) - t;
-
-        if (!skip_inter) {
-            int mask_id = (tx == TX_8X8);
-            static const unsigned masks[4] = { 0xff, 0x55, 0x11, 0x01 };
-            int l2 = tx + ss_h - 1, step1d;
-            int m_row = m_col & masks[l2];
-
-            // at odd UV col/row edges tx16/tx32 loopfilter edges, force
-            // 8wd loopfilter to prevent going off the visible edge.
-            if (ss_h && tx > TX_8X8 && (w ^ (w - 1)) == 1) {
-                int m_row_16 = ((t << (w - 1)) - t) & masks[l2];
-                int m_row_8 = m_row - m_row_16;
-
-                for (y = row_and_7; y < h + row_and_7; y++) {
-                    mask[0][y][0] |= m_row_16;
-                    mask[0][y][1] |= m_row_8;
-                }
-            } else {
-                for (y = row_and_7; y < h + row_and_7; y++)
-                    mask[0][y][mask_id] |= m_row;
-            }
-
-            l2 = tx + ss_v - 1;
-            step1d = 1 << l2;
-            if (ss_v && tx > TX_8X8 && (h ^ (h - 1)) == 1) {
-                for (y = row_and_7; y < h + row_and_7 - 1; y += step1d)
-                    mask[1][y][0] |= m_col;
-                if (y - row_and_7 == h - 1)
-                    mask[1][y][1] |= m_col;
-            } else {
-                for (y = row_and_7; y < h + row_and_7; y += step1d)
-                    mask[1][y][mask_id] |= m_col;
-            }
-        } else if (tx != TX_4X4) {
-            int mask_id;
-
-            mask_id = (tx == TX_8X8) || (h == ss_v);
-            mask[1][row_and_7][mask_id] |= m_col;
-            mask_id = (tx == TX_8X8) || (w == ss_h);
-            for (y = row_and_7; y < h + row_and_7; y++)
-                mask[0][y][mask_id] |= t;
-        } else {
-            int t8 = t & wide_filter_col_mask[ss_h], t4 = t - t8;
-
-            for (y = row_and_7; y < h + row_and_7; y++) {
-                mask[0][y][2] |= t4;
-                mask[0][y][1] |= t8;
-            }
-            mask[1][row_and_7][2 - !(row_and_7 & wide_filter_row_mask[ss_v])] |= m_col;
-        }
-    }
-}
-
-static void decode_b(AVCodecContext *ctx, int row, int col,
-                     struct VP9Filter *lflvl, ptrdiff_t yoff, ptrdiff_t uvoff,
-                     enum BlockLevel bl, enum BlockPartition bp)
-{
-    VP9Context *s = ctx->priv_data;
-    VP9Block *b = s->b;
-    enum BlockSize bs = bl * 3 + bp;
-    int bytesperpixel = s->bytesperpixel;
-    int w4 = bwh_tab[1][bs][0], h4 = bwh_tab[1][bs][1], lvl;
-    int emu[2];
-    AVFrame *f = s->s.frames[CUR_FRAME].tf.f;
-
-    s->row = row;
-    s->row7 = row & 7;
-    s->col = col;
-    s->col7 = col & 7;
-    s->min_mv.x = -(128 + col * 64);
-    s->min_mv.y = -(128 + row * 64);
-    s->max_mv.x = 128 + (s->cols - col - w4) * 64;
-    s->max_mv.y = 128 + (s->rows - row - h4) * 64;
-    if (s->pass < 2) {
-        b->bs = bs;
-        b->bl = bl;
-        b->bp = bp;
-        decode_mode(ctx);
-        b->uvtx = b->tx - ((s->ss_h && w4 * 2 == (1 << b->tx)) ||
-                           (s->ss_v && h4 * 2 == (1 << b->tx)));
-
-        if (!b->skip) {
-            int has_coeffs;
-
-            if (bytesperpixel == 1) {
-                has_coeffs = decode_coeffs_8bpp(ctx);
-            } else {
-                has_coeffs = decode_coeffs_16bpp(ctx);
-            }
-            if (!has_coeffs && b->bs <= BS_8x8 && !b->intra) {
-                b->skip = 1;
-                memset(&s->above_skip_ctx[col], 1, w4);
-                memset(&s->left_skip_ctx[s->row7], 1, h4);
-            }
-        } else {
-            int row7 = s->row7;
-
-#define SPLAT_ZERO_CTX(v, n) \
-    switch (n) { \
-    case 1:  v = 0;          break; \
-    case 2:  AV_ZERO16(&v);  break; \
-    case 4:  AV_ZERO32(&v);  break; \
-    case 8:  AV_ZERO64(&v);  break; \
-    case 16: AV_ZERO128(&v); break; \
-    }
-#define SPLAT_ZERO_YUV(dir, var, off, n, dir2) \
-    do { \
-        SPLAT_ZERO_CTX(s->dir##_y_##var[off * 2], n * 2); \
-        if (s->ss_##dir2) { \
-            SPLAT_ZERO_CTX(s->dir##_uv_##var[0][off], n); \
-            SPLAT_ZERO_CTX(s->dir##_uv_##var[1][off], n); \
-        } else { \
-            SPLAT_ZERO_CTX(s->dir##_uv_##var[0][off * 2], n * 2); \
-            SPLAT_ZERO_CTX(s->dir##_uv_##var[1][off * 2], n * 2); \
-        } \
-    } while (0)
-
-            switch (w4) {
-            case 1: SPLAT_ZERO_YUV(above, nnz_ctx, col, 1, h); break;
-            case 2: SPLAT_ZERO_YUV(above, nnz_ctx, col, 2, h); break;
-            case 4: SPLAT_ZERO_YUV(above, nnz_ctx, col, 4, h); break;
-            case 8: SPLAT_ZERO_YUV(above, nnz_ctx, col, 8, h); break;
-            }
-            switch (h4) {
-            case 1: SPLAT_ZERO_YUV(left, nnz_ctx, row7, 1, v); break;
-            case 2: SPLAT_ZERO_YUV(left, nnz_ctx, row7, 2, v); break;
-            case 4: SPLAT_ZERO_YUV(left, nnz_ctx, row7, 4, v); break;
-            case 8: SPLAT_ZERO_YUV(left, nnz_ctx, row7, 8, v); break;
-            }
-        }
-
-        if (s->pass == 1) {
-            s->b++;
-            s->block += w4 * h4 * 64 * bytesperpixel;
-            s->uvblock[0] += w4 * h4 * 64 * bytesperpixel >> (s->ss_h + s->ss_v);
-            s->uvblock[1] += w4 * h4 * 64 * bytesperpixel >> (s->ss_h + s->ss_v);
-            s->eob += 4 * w4 * h4;
-            s->uveob[0] += 4 * w4 * h4 >> (s->ss_h + s->ss_v);
-            s->uveob[1] += 4 * w4 * h4 >> (s->ss_h + s->ss_v);
-
-            return;
-        }
-    }
-
-    // emulated overhangs if the stride of the target buffer can't hold. This
-    // makes it possible to support emu-edge and so on even if we have large block
-    // overhangs
-    emu[0] = (col + w4) * 8 * bytesperpixel > f->linesize[0] ||
-             (row + h4) > s->rows;
-    emu[1] = ((col + w4) * 8 >> s->ss_h) * bytesperpixel > f->linesize[1] ||
-             (row + h4) > s->rows;
-    if (emu[0]) {
-        s->dst[0] = s->tmp_y;
-        s->y_stride = 128;
-    } else {
-        s->dst[0] = f->data[0] + yoff;
-        s->y_stride = f->linesize[0];
-    }
-    if (emu[1]) {
-        s->dst[1] = s->tmp_uv[0];
-        s->dst[2] = s->tmp_uv[1];
-        s->uv_stride = 128;
-    } else {
-        s->dst[1] = f->data[1] + uvoff;
-        s->dst[2] = f->data[2] + uvoff;
-        s->uv_stride = f->linesize[1];
-    }
-    if (b->intra) {
-        if (s->bpp > 8) {
-            intra_recon_16bpp(ctx, yoff, uvoff);
-        } else {
-            intra_recon_8bpp(ctx, yoff, uvoff);
-        }
-    } else {
-        if (s->bpp > 8) {
-            inter_recon_16bpp(ctx);
-        } else {
-            inter_recon_8bpp(ctx);
-        }
-    }
-    if (emu[0]) {
-        int w = FFMIN(s->cols - col, w4) * 8, h = FFMIN(s->rows - row, h4) * 8, n, o = 0;
-
-        for (n = 0; o < w; n++) {
-            int bw = 64 >> n;
-
-            av_assert2(n <= 4);
-            if (w & bw) {
-                s->dsp.mc[n][0][0][0][0](f->data[0] + yoff + o * bytesperpixel, f->linesize[0],
-                                         s->tmp_y + o * bytesperpixel, 128, h, 0, 0);
-                o += bw;
-            }
-        }
-    }
-    if (emu[1]) {
-        int w = FFMIN(s->cols - col, w4) * 8 >> s->ss_h;
-        int h = FFMIN(s->rows - row, h4) * 8 >> s->ss_v, n, o = 0;
-
-        for (n = s->ss_h; o < w; n++) {
-            int bw = 64 >> n;
-
-            av_assert2(n <= 4);
-            if (w & bw) {
-                s->dsp.mc[n][0][0][0][0](f->data[1] + uvoff + o * bytesperpixel, f->linesize[1],
-                                         s->tmp_uv[0] + o * bytesperpixel, 128, h, 0, 0);
-                s->dsp.mc[n][0][0][0][0](f->data[2] + uvoff + o * bytesperpixel, f->linesize[2],
-                                         s->tmp_uv[1] + o * bytesperpixel, 128, h, 0, 0);
-                o += bw;
-            }
-        }
-    }
-
-    // pick filter level and find edges to apply filter to
-    if (s->s.h.filter.level &&
-        (lvl = s->s.h.segmentation.feat[b->seg_id].lflvl[b->intra ? 0 : b->ref[0] + 1]
-                                                      [b->mode[3] != ZEROMV]) > 0) {
-        int x_end = FFMIN(s->cols - col, w4), y_end = FFMIN(s->rows - row, h4);
-        int skip_inter = !b->intra && b->skip, col7 = s->col7, row7 = s->row7;
-
-        setctx_2d(&lflvl->level[row7 * 8 + col7], w4, h4, 8, lvl);
-        mask_edges(lflvl->mask[0], 0, 0, row7, col7, x_end, y_end, 0, 0, b->tx, skip_inter);
-        if (s->ss_h || s->ss_v)
-            mask_edges(lflvl->mask[1], s->ss_h, s->ss_v, row7, col7, x_end, y_end,
-                       s->cols & 1 && col + w4 >= s->cols ? s->cols & 7 : 0,
-                       s->rows & 1 && row + h4 >= s->rows ? s->rows & 7 : 0,
-                       b->uvtx, skip_inter);
-
-        if (!s->filter_lut.lim_lut[lvl]) {
-            int sharp = s->s.h.filter.sharpness;
-            int limit = lvl;
-
-            if (sharp > 0) {
-                limit >>= (sharp + 3) >> 2;
-                limit = FFMIN(limit, 9 - sharp);
-            }
-            limit = FFMAX(limit, 1);
-
-            s->filter_lut.lim_lut[lvl] = limit;
-            s->filter_lut.mblim_lut[lvl] = 2 * (lvl + 2) + limit;
-        }
-    }
-
-    if (s->pass == 2) {
-        s->b++;
-        s->block += w4 * h4 * 64 * bytesperpixel;
-        s->uvblock[0] += w4 * h4 * 64 * bytesperpixel >> (s->ss_v + s->ss_h);
-        s->uvblock[1] += w4 * h4 * 64 * bytesperpixel >> (s->ss_v + s->ss_h);
-        s->eob += 4 * w4 * h4;
-        s->uveob[0] += 4 * w4 * h4 >> (s->ss_v + s->ss_h);
-        s->uveob[1] += 4 * w4 * h4 >> (s->ss_v + s->ss_h);
-    }
-}
-
-static void decode_sb(AVCodecContext *ctx, int row, int col, struct VP9Filter *lflvl,
+static void decode_sb(VP9TileData *td, int row, int col, VP9Filter *lflvl,
                       ptrdiff_t yoff, ptrdiff_t uvoff, enum BlockLevel bl)
 {
-    VP9Context *s = ctx->priv_data;
+    const VP9Context *s = td->s;
     int c = ((s->above_partition_ctx[col] >> (3 - bl)) & 1) |
-            (((s->left_partition_ctx[row & 0x7] >> (3 - bl)) & 1) << 1);
-    const uint8_t *p = s->s.h.keyframe || s->s.h.intraonly ? vp9_default_kf_partition_probs[bl][c] :
+            (((td->left_partition_ctx[row & 0x7] >> (3 - bl)) & 1) << 1);
+    const uint8_t *p = s->s.h.keyframe || s->s.h.intraonly ? ff_vp9_default_kf_partition_probs[bl][c] :
                                                      s->prob.p.partition[bl][c];
     enum BlockPartition bp;
     ptrdiff_t hbs = 4 >> bl;
@@ -3398,75 +1054,75 @@ static void decode_sb(AVCodecContext *ctx, int row, int col, struct VP9Filter *l
     int bytesperpixel = s->bytesperpixel;
 
     if (bl == BL_8X8) {
-        bp = vp8_rac_get_tree(&s->c, vp9_partition_tree, p);
-        decode_b(ctx, row, col, lflvl, yoff, uvoff, bl, bp);
+        bp = vp8_rac_get_tree(td->c, ff_vp9_partition_tree, p);
+        ff_vp9_decode_block(td, row, col, lflvl, yoff, uvoff, bl, bp);
     } else if (col + hbs < s->cols) { // FIXME why not <=?
         if (row + hbs < s->rows) { // FIXME why not <=?
-            bp = vp8_rac_get_tree(&s->c, vp9_partition_tree, p);
+            bp = vp8_rac_get_tree(td->c, ff_vp9_partition_tree, p);
             switch (bp) {
             case PARTITION_NONE:
-                decode_b(ctx, row, col, lflvl, yoff, uvoff, bl, bp);
+                ff_vp9_decode_block(td, row, col, lflvl, yoff, uvoff, bl, bp);
                 break;
             case PARTITION_H:
-                decode_b(ctx, row, col, lflvl, yoff, uvoff, bl, bp);
+                ff_vp9_decode_block(td, row, col, lflvl, yoff, uvoff, bl, bp);
                 yoff  += hbs * 8 * y_stride;
                 uvoff += hbs * 8 * uv_stride >> s->ss_v;
-                decode_b(ctx, row + hbs, col, lflvl, yoff, uvoff, bl, bp);
+                ff_vp9_decode_block(td, row + hbs, col, lflvl, yoff, uvoff, bl, bp);
                 break;
             case PARTITION_V:
-                decode_b(ctx, row, col, lflvl, yoff, uvoff, bl, bp);
+                ff_vp9_decode_block(td, row, col, lflvl, yoff, uvoff, bl, bp);
                 yoff  += hbs * 8 * bytesperpixel;
                 uvoff += hbs * 8 * bytesperpixel >> s->ss_h;
-                decode_b(ctx, row, col + hbs, lflvl, yoff, uvoff, bl, bp);
+                ff_vp9_decode_block(td, row, col + hbs, lflvl, yoff, uvoff, bl, bp);
                 break;
             case PARTITION_SPLIT:
-                decode_sb(ctx, row, col, lflvl, yoff, uvoff, bl + 1);
-                decode_sb(ctx, row, col + hbs, lflvl,
+                decode_sb(td, row, col, lflvl, yoff, uvoff, bl + 1);
+                decode_sb(td, row, col + hbs, lflvl,
                           yoff + 8 * hbs * bytesperpixel,
                           uvoff + (8 * hbs * bytesperpixel >> s->ss_h), bl + 1);
                 yoff  += hbs * 8 * y_stride;
                 uvoff += hbs * 8 * uv_stride >> s->ss_v;
-                decode_sb(ctx, row + hbs, col, lflvl, yoff, uvoff, bl + 1);
-                decode_sb(ctx, row + hbs, col + hbs, lflvl,
+                decode_sb(td, row + hbs, col, lflvl, yoff, uvoff, bl + 1);
+                decode_sb(td, row + hbs, col + hbs, lflvl,
                           yoff + 8 * hbs * bytesperpixel,
                           uvoff + (8 * hbs * bytesperpixel >> s->ss_h), bl + 1);
                 break;
             default:
                 av_assert0(0);
             }
-        } else if (vp56_rac_get_prob_branchy(&s->c, p[1])) {
+        } else if (vp56_rac_get_prob_branchy(td->c, p[1])) {
             bp = PARTITION_SPLIT;
-            decode_sb(ctx, row, col, lflvl, yoff, uvoff, bl + 1);
-            decode_sb(ctx, row, col + hbs, lflvl,
+            decode_sb(td, row, col, lflvl, yoff, uvoff, bl + 1);
+            decode_sb(td, row, col + hbs, lflvl,
                       yoff + 8 * hbs * bytesperpixel,
                       uvoff + (8 * hbs * bytesperpixel >> s->ss_h), bl + 1);
         } else {
             bp = PARTITION_H;
-            decode_b(ctx, row, col, lflvl, yoff, uvoff, bl, bp);
+            ff_vp9_decode_block(td, row, col, lflvl, yoff, uvoff, bl, bp);
         }
     } else if (row + hbs < s->rows) { // FIXME why not <=?
-        if (vp56_rac_get_prob_branchy(&s->c, p[2])) {
+        if (vp56_rac_get_prob_branchy(td->c, p[2])) {
             bp = PARTITION_SPLIT;
-            decode_sb(ctx, row, col, lflvl, yoff, uvoff, bl + 1);
+            decode_sb(td, row, col, lflvl, yoff, uvoff, bl + 1);
             yoff  += hbs * 8 * y_stride;
             uvoff += hbs * 8 * uv_stride >> s->ss_v;
-            decode_sb(ctx, row + hbs, col, lflvl, yoff, uvoff, bl + 1);
+            decode_sb(td, row + hbs, col, lflvl, yoff, uvoff, bl + 1);
         } else {
             bp = PARTITION_V;
-            decode_b(ctx, row, col, lflvl, yoff, uvoff, bl, bp);
+            ff_vp9_decode_block(td, row, col, lflvl, yoff, uvoff, bl, bp);
         }
     } else {
         bp = PARTITION_SPLIT;
-        decode_sb(ctx, row, col, lflvl, yoff, uvoff, bl + 1);
+        decode_sb(td, row, col, lflvl, yoff, uvoff, bl + 1);
     }
-    s->counts.partition[bl][c][bp]++;
+    td->counts.partition[bl][c][bp]++;
 }
 
-static void decode_sb_mem(AVCodecContext *ctx, int row, int col, struct VP9Filter *lflvl,
+static void decode_sb_mem(VP9TileData *td, int row, int col, VP9Filter *lflvl,
                           ptrdiff_t yoff, ptrdiff_t uvoff, enum BlockLevel bl)
 {
-    VP9Context *s = ctx->priv_data;
-    VP9Block *b = s->b;
+    const VP9Context *s = td->s;
+    VP9Block *b = td->b;
     ptrdiff_t hbs = 4 >> bl;
     AVFrame *f = s->s.frames[CUR_FRAME].tf.f;
     ptrdiff_t y_stride = f->linesize[0], uv_stride = f->linesize[1];
@@ -3474,221 +1130,43 @@ static void decode_sb_mem(AVCodecContext *ctx, int row, int col, struct VP9Filte
 
     if (bl == BL_8X8) {
         av_assert2(b->bl == BL_8X8);
-        decode_b(ctx, row, col, lflvl, yoff, uvoff, b->bl, b->bp);
-    } else if (s->b->bl == bl) {
-        decode_b(ctx, row, col, lflvl, yoff, uvoff, b->bl, b->bp);
+        ff_vp9_decode_block(td, row, col, lflvl, yoff, uvoff, b->bl, b->bp);
+    } else if (td->b->bl == bl) {
+        ff_vp9_decode_block(td, row, col, lflvl, yoff, uvoff, b->bl, b->bp);
         if (b->bp == PARTITION_H && row + hbs < s->rows) {
             yoff  += hbs * 8 * y_stride;
             uvoff += hbs * 8 * uv_stride >> s->ss_v;
-            decode_b(ctx, row + hbs, col, lflvl, yoff, uvoff, b->bl, b->bp);
+            ff_vp9_decode_block(td, row + hbs, col, lflvl, yoff, uvoff, b->bl, b->bp);
         } else if (b->bp == PARTITION_V && col + hbs < s->cols) {
             yoff  += hbs * 8 * bytesperpixel;
             uvoff += hbs * 8 * bytesperpixel >> s->ss_h;
-            decode_b(ctx, row, col + hbs, lflvl, yoff, uvoff, b->bl, b->bp);
+            ff_vp9_decode_block(td, row, col + hbs, lflvl, yoff, uvoff, b->bl, b->bp);
         }
     } else {
-        decode_sb_mem(ctx, row, col, lflvl, yoff, uvoff, bl + 1);
+        decode_sb_mem(td, row, col, lflvl, yoff, uvoff, bl + 1);
         if (col + hbs < s->cols) { // FIXME why not <=?
             if (row + hbs < s->rows) {
-                decode_sb_mem(ctx, row, col + hbs, lflvl, yoff + 8 * hbs * bytesperpixel,
+                decode_sb_mem(td, row, col + hbs, lflvl, yoff + 8 * hbs * bytesperpixel,
                               uvoff + (8 * hbs * bytesperpixel >> s->ss_h), bl + 1);
                 yoff  += hbs * 8 * y_stride;
                 uvoff += hbs * 8 * uv_stride >> s->ss_v;
-                decode_sb_mem(ctx, row + hbs, col, lflvl, yoff, uvoff, bl + 1);
-                decode_sb_mem(ctx, row + hbs, col + hbs, lflvl,
+                decode_sb_mem(td, row + hbs, col, lflvl, yoff, uvoff, bl + 1);
+                decode_sb_mem(td, row + hbs, col + hbs, lflvl,
                               yoff + 8 * hbs * bytesperpixel,
                               uvoff + (8 * hbs * bytesperpixel >> s->ss_h), bl + 1);
             } else {
                 yoff  += hbs * 8 * bytesperpixel;
                 uvoff += hbs * 8 * bytesperpixel >> s->ss_h;
-                decode_sb_mem(ctx, row, col + hbs, lflvl, yoff, uvoff, bl + 1);
+                decode_sb_mem(td, row, col + hbs, lflvl, yoff, uvoff, bl + 1);
             }
         } else if (row + hbs < s->rows) {
             yoff  += hbs * 8 * y_stride;
             uvoff += hbs * 8 * uv_stride >> s->ss_v;
-            decode_sb_mem(ctx, row + hbs, col, lflvl, yoff, uvoff, bl + 1);
+            decode_sb_mem(td, row + hbs, col, lflvl, yoff, uvoff, bl + 1);
         }
     }
 }
 
-static av_always_inline void filter_plane_cols(VP9Context *s, int col, int ss_h, int ss_v,
-                                               uint8_t *lvl, uint8_t (*mask)[4],
-                                               uint8_t *dst, ptrdiff_t ls)
-{
-    int y, x, bytesperpixel = s->bytesperpixel;
-
-    // filter edges between columns (e.g. block1 | block2)
-    for (y = 0; y < 8; y += 2 << ss_v, dst += 16 * ls, lvl += 16 << ss_v) {
-        uint8_t *ptr = dst, *l = lvl, *hmask1 = mask[y], *hmask2 = mask[y + 1 + ss_v];
-        unsigned hm1 = hmask1[0] | hmask1[1] | hmask1[2], hm13 = hmask1[3];
-        unsigned hm2 = hmask2[1] | hmask2[2], hm23 = hmask2[3];
-        unsigned hm = hm1 | hm2 | hm13 | hm23;
-
-        for (x = 1; hm & ~(x - 1); x <<= 1, ptr += 8 * bytesperpixel >> ss_h) {
-            if (col || x > 1) {
-                if (hm1 & x) {
-                    int L = *l, H = L >> 4;
-                    int E = s->filter_lut.mblim_lut[L], I = s->filter_lut.lim_lut[L];
-
-                    if (hmask1[0] & x) {
-                        if (hmask2[0] & x) {
-                            av_assert2(l[8 << ss_v] == L);
-                            s->dsp.loop_filter_16[0](ptr, ls, E, I, H);
-                        } else {
-                            s->dsp.loop_filter_8[2][0](ptr, ls, E, I, H);
-                        }
-                    } else if (hm2 & x) {
-                        L = l[8 << ss_v];
-                        H |= (L >> 4) << 8;
-                        E |= s->filter_lut.mblim_lut[L] << 8;
-                        I |= s->filter_lut.lim_lut[L] << 8;
-                        s->dsp.loop_filter_mix2[!!(hmask1[1] & x)]
-                                               [!!(hmask2[1] & x)]
-                                               [0](ptr, ls, E, I, H);
-                    } else {
-                        s->dsp.loop_filter_8[!!(hmask1[1] & x)]
-                                            [0](ptr, ls, E, I, H);
-                    }
-                } else if (hm2 & x) {
-                    int L = l[8 << ss_v], H = L >> 4;
-                    int E = s->filter_lut.mblim_lut[L], I = s->filter_lut.lim_lut[L];
-
-                    s->dsp.loop_filter_8[!!(hmask2[1] & x)]
-                                        [0](ptr + 8 * ls, ls, E, I, H);
-                }
-            }
-            if (ss_h) {
-                if (x & 0xAA)
-                    l += 2;
-            } else {
-                if (hm13 & x) {
-                    int L = *l, H = L >> 4;
-                    int E = s->filter_lut.mblim_lut[L], I = s->filter_lut.lim_lut[L];
-
-                    if (hm23 & x) {
-                        L = l[8 << ss_v];
-                        H |= (L >> 4) << 8;
-                        E |= s->filter_lut.mblim_lut[L] << 8;
-                        I |= s->filter_lut.lim_lut[L] << 8;
-                        s->dsp.loop_filter_mix2[0][0][0](ptr + 4 * bytesperpixel, ls, E, I, H);
-                    } else {
-                        s->dsp.loop_filter_8[0][0](ptr + 4 * bytesperpixel, ls, E, I, H);
-                    }
-                } else if (hm23 & x) {
-                    int L = l[8 << ss_v], H = L >> 4;
-                    int E = s->filter_lut.mblim_lut[L], I = s->filter_lut.lim_lut[L];
-
-                    s->dsp.loop_filter_8[0][0](ptr + 8 * ls + 4 * bytesperpixel, ls, E, I, H);
-                }
-                l++;
-            }
-        }
-    }
-}
-
-static av_always_inline void filter_plane_rows(VP9Context *s, int row, int ss_h, int ss_v,
-                                               uint8_t *lvl, uint8_t (*mask)[4],
-                                               uint8_t *dst, ptrdiff_t ls)
-{
-    int y, x, bytesperpixel = s->bytesperpixel;
-
-    //                                 block1
-    // filter edges between rows (e.g. ------)
-    //                                 block2
-    for (y = 0; y < 8; y++, dst += 8 * ls >> ss_v) {
-        uint8_t *ptr = dst, *l = lvl, *vmask = mask[y];
-        unsigned vm = vmask[0] | vmask[1] | vmask[2], vm3 = vmask[3];
-
-        for (x = 1; vm & ~(x - 1); x <<= (2 << ss_h), ptr += 16 * bytesperpixel, l += 2 << ss_h) {
-            if (row || y) {
-                if (vm & x) {
-                    int L = *l, H = L >> 4;
-                    int E = s->filter_lut.mblim_lut[L], I = s->filter_lut.lim_lut[L];
-
-                    if (vmask[0] & x) {
-                        if (vmask[0] & (x << (1 + ss_h))) {
-                            av_assert2(l[1 + ss_h] == L);
-                            s->dsp.loop_filter_16[1](ptr, ls, E, I, H);
-                        } else {
-                            s->dsp.loop_filter_8[2][1](ptr, ls, E, I, H);
-                        }
-                    } else if (vm & (x << (1 + ss_h))) {
-                        L = l[1 + ss_h];
-                        H |= (L >> 4) << 8;
-                        E |= s->filter_lut.mblim_lut[L] << 8;
-                        I |= s->filter_lut.lim_lut[L] << 8;
-                        s->dsp.loop_filter_mix2[!!(vmask[1] &  x)]
-                                               [!!(vmask[1] & (x << (1 + ss_h)))]
-                                               [1](ptr, ls, E, I, H);
-                    } else {
-                        s->dsp.loop_filter_8[!!(vmask[1] & x)]
-                                            [1](ptr, ls, E, I, H);
-                    }
-                } else if (vm & (x << (1 + ss_h))) {
-                    int L = l[1 + ss_h], H = L >> 4;
-                    int E = s->filter_lut.mblim_lut[L], I = s->filter_lut.lim_lut[L];
-
-                    s->dsp.loop_filter_8[!!(vmask[1] & (x << (1 + ss_h)))]
-                                        [1](ptr + 8 * bytesperpixel, ls, E, I, H);
-                }
-            }
-            if (!ss_v) {
-                if (vm3 & x) {
-                    int L = *l, H = L >> 4;
-                    int E = s->filter_lut.mblim_lut[L], I = s->filter_lut.lim_lut[L];
-
-                    if (vm3 & (x << (1 + ss_h))) {
-                        L = l[1 + ss_h];
-                        H |= (L >> 4) << 8;
-                        E |= s->filter_lut.mblim_lut[L] << 8;
-                        I |= s->filter_lut.lim_lut[L] << 8;
-                        s->dsp.loop_filter_mix2[0][0][1](ptr + ls * 4, ls, E, I, H);
-                    } else {
-                        s->dsp.loop_filter_8[0][1](ptr + ls * 4, ls, E, I, H);
-                    }
-                } else if (vm3 & (x << (1 + ss_h))) {
-                    int L = l[1 + ss_h], H = L >> 4;
-                    int E = s->filter_lut.mblim_lut[L], I = s->filter_lut.lim_lut[L];
-
-                    s->dsp.loop_filter_8[0][1](ptr + ls * 4 + 8 * bytesperpixel, ls, E, I, H);
-                }
-            }
-        }
-        if (ss_v) {
-            if (y & 1)
-                lvl += 16;
-        } else {
-            lvl += 8;
-        }
-    }
-}
-
-static void loopfilter_sb(AVCodecContext *ctx, struct VP9Filter *lflvl,
-                          int row, int col, ptrdiff_t yoff, ptrdiff_t uvoff)
-{
-    VP9Context *s = ctx->priv_data;
-    AVFrame *f = s->s.frames[CUR_FRAME].tf.f;
-    uint8_t *dst = f->data[0] + yoff;
-    ptrdiff_t ls_y = f->linesize[0], ls_uv = f->linesize[1];
-    uint8_t (*uv_masks)[8][4] = lflvl->mask[s->ss_h | s->ss_v];
-    int p;
-
-    // FIXME in how far can we interleave the v/h loopfilter calls? E.g.
-    // if you think of them as acting on a 8x8 block max, we can interleave
-    // each v/h within the single x loop, but that only works if we work on
-    // 8 pixel blocks, and we won't always do that (we want at least 16px
-    // to use SSE2 optimizations, perhaps 32 for AVX2)
-
-    filter_plane_cols(s, col, 0, 0, lflvl->level, lflvl->mask[0][0], dst, ls_y);
-    filter_plane_rows(s, row, 0, 0, lflvl->level, lflvl->mask[0][1], dst, ls_y);
-
-    for (p = 0; p < 2; p++) {
-        dst = f->data[1 + p] + uvoff;
-        filter_plane_cols(s, col, s->ss_h, s->ss_v, lflvl->level, uv_masks[0], dst, ls_uv);
-        filter_plane_rows(s, row, s->ss_h, s->ss_v, lflvl->level, uv_masks[1], dst, ls_uv);
-    }
-}
-
 static void set_tile_offset(int *start, int *end, int idx, int log2_n, int n)
 {
     int sb_start = ( idx      * n) >> log2_n;
@@ -3697,300 +1175,302 @@ static void set_tile_offset(int *start, int *end, int idx, int log2_n, int n)
     *end   = FFMIN(sb_end,   n) << 3;
 }
 
-static av_always_inline void adapt_prob(uint8_t *p, unsigned ct0, unsigned ct1,
-                                        int max_count, int update_factor)
+static void free_buffers(VP9Context *s)
 {
-    unsigned ct = ct0 + ct1, p2, p1;
-
-    if (!ct)
-        return;
-
-    update_factor = FASTDIV(update_factor * FFMIN(ct, max_count), max_count);
-    p1 = *p;
-    p2 = ((((int64_t) ct0) << 8) + (ct >> 1)) / ct;
-    p2 = av_clip(p2, 1, 255);
+    int i;
 
-    // (p1 * (256 - update_factor) + p2 * update_factor + 128) >> 8
-    *p = p1 + (((p2 - p1) * update_factor + 128) >> 8);
+    av_freep(&s->intra_pred_data[0]);
+    for (i = 0; i < s->active_tile_cols; i++) {
+        av_freep(&s->td[i].b_base);
+        av_freep(&s->td[i].block_base);
+    }
 }
 
-static void adapt_probs(VP9Context *s)
+static av_cold int vp9_decode_free(AVCodecContext *avctx)
 {
-    int i, j, k, l, m;
-    prob_context *p = &s->prob_ctx[s->s.h.framectxid].p;
-    int uf = (s->s.h.keyframe || s->s.h.intraonly || !s->last_keyframe) ? 112 : 128;
-
-    // coefficients
-    for (i = 0; i < 4; i++)
-        for (j = 0; j < 2; j++)
-            for (k = 0; k < 2; k++)
-                for (l = 0; l < 6; l++)
-                    for (m = 0; m < 6; m++) {
-                        uint8_t *pp = s->prob_ctx[s->s.h.framectxid].coef[i][j][k][l][m];
-                        unsigned *e = s->counts.eob[i][j][k][l][m];
-                        unsigned *c = s->counts.coef[i][j][k][l][m];
-
-                        if (l == 0 && m >= 3) // dc only has 3 pt
-                            break;
-
-                        adapt_prob(&pp[0], e[0], e[1], 24, uf);
-                        adapt_prob(&pp[1], c[0], c[1] + c[2], 24, uf);
-                        adapt_prob(&pp[2], c[1], c[2], 24, uf);
-                    }
+    VP9Context *s = avctx->priv_data;
+    int i;
 
-    if (s->s.h.keyframe || s->s.h.intraonly) {
-        memcpy(p->skip,  s->prob.p.skip,  sizeof(p->skip));
-        memcpy(p->tx32p, s->prob.p.tx32p, sizeof(p->tx32p));
-        memcpy(p->tx16p, s->prob.p.tx16p, sizeof(p->tx16p));
-        memcpy(p->tx8p,  s->prob.p.tx8p,  sizeof(p->tx8p));
-        return;
+    for (i = 0; i < 3; i++) {
+        if (s->s.frames[i].tf.f->buf[0])
+            vp9_frame_unref(avctx, &s->s.frames[i]);
+        av_frame_free(&s->s.frames[i].tf.f);
+    }
+    for (i = 0; i < 8; i++) {
+        if (s->s.refs[i].f->buf[0])
+            ff_thread_release_buffer(avctx, &s->s.refs[i]);
+        av_frame_free(&s->s.refs[i].f);
+        if (s->next_refs[i].f->buf[0])
+            ff_thread_release_buffer(avctx, &s->next_refs[i]);
+        av_frame_free(&s->next_refs[i].f);
     }
 
-    // skip flag
-    for (i = 0; i < 3; i++)
-        adapt_prob(&p->skip[i], s->counts.skip[i][0], s->counts.skip[i][1], 20, 128);
+    free_buffers(s);
+    vp9_free_entries(avctx);
+    av_freep(&s->td);
+    return 0;
+}
 
-    // intra/inter flag
-    for (i = 0; i < 4; i++)
-        adapt_prob(&p->intra[i], s->counts.intra[i][0], s->counts.intra[i][1], 20, 128);
+static int decode_tiles(AVCodecContext *avctx,
+                        const uint8_t *data, int size)
+{
+    VP9Context *s = avctx->priv_data;
+    VP9TileData *td = &s->td[0];
+    int row, col, tile_row, tile_col, ret;
+    int bytesperpixel;
+    int tile_row_start, tile_row_end, tile_col_start, tile_col_end;
+    AVFrame *f;
+    ptrdiff_t yoff, uvoff, ls_y, ls_uv;
 
-    // comppred flag
-    if (s->s.h.comppredmode == PRED_SWITCHABLE) {
-      for (i = 0; i < 5; i++)
-          adapt_prob(&p->comp[i], s->counts.comp[i][0], s->counts.comp[i][1], 20, 128);
-    }
+    f = s->s.frames[CUR_FRAME].tf.f;
+    ls_y = f->linesize[0];
+    ls_uv =f->linesize[1];
+    bytesperpixel = s->bytesperpixel;
 
-    // reference frames
-    if (s->s.h.comppredmode != PRED_SINGLEREF) {
-      for (i = 0; i < 5; i++)
-          adapt_prob(&p->comp_ref[i], s->counts.comp_ref[i][0],
-                     s->counts.comp_ref[i][1], 20, 128);
-    }
+    yoff = uvoff = 0;
+    for (tile_row = 0; tile_row < s->s.h.tiling.tile_rows; tile_row++) {
+        set_tile_offset(&tile_row_start, &tile_row_end,
+                        tile_row, s->s.h.tiling.log2_tile_rows, s->sb_rows);
 
-    if (s->s.h.comppredmode != PRED_COMPREF) {
-      for (i = 0; i < 5; i++) {
-          uint8_t *pp = p->single_ref[i];
-          unsigned (*c)[2] = s->counts.single_ref[i];
+        for (tile_col = 0; tile_col < s->s.h.tiling.tile_cols; tile_col++) {
+            int64_t tile_size;
 
-          adapt_prob(&pp[0], c[0][0], c[0][1], 20, 128);
-          adapt_prob(&pp[1], c[1][0], c[1][1], 20, 128);
-      }
-    }
+            if (tile_col == s->s.h.tiling.tile_cols - 1 &&
+                tile_row == s->s.h.tiling.tile_rows - 1) {
+                tile_size = size;
+            } else {
+                tile_size = AV_RB32(data);
+                data += 4;
+                size -= 4;
+            }
+            if (tile_size > size) {
+                ff_thread_report_progress(&s->s.frames[CUR_FRAME].tf, INT_MAX, 0);
+                return AVERROR_INVALIDDATA;
+            }
+            ret = ff_vp56_init_range_decoder(&td->c_b[tile_col], data, tile_size);
+            if (ret < 0)
+                return ret;
+            if (vp56_rac_get_prob_branchy(&td->c_b[tile_col], 128)) { // marker bit
+                ff_thread_report_progress(&s->s.frames[CUR_FRAME].tf, INT_MAX, 0);
+                return AVERROR_INVALIDDATA;
+            }
+            data += tile_size;
+            size -= tile_size;
+        }
 
-    // block partitioning
-    for (i = 0; i < 4; i++)
-        for (j = 0; j < 4; j++) {
-            uint8_t *pp = p->partition[i][j];
-            unsigned *c = s->counts.partition[i][j];
+        for (row = tile_row_start; row < tile_row_end;
+             row += 8, yoff += ls_y * 64, uvoff += ls_uv * 64 >> s->ss_v) {
+            VP9Filter *lflvl_ptr = s->lflvl;
+            ptrdiff_t yoff2 = yoff, uvoff2 = uvoff;
 
-            adapt_prob(&pp[0], c[0], c[1] + c[2] + c[3], 20, 128);
-            adapt_prob(&pp[1], c[1], c[2] + c[3], 20, 128);
-            adapt_prob(&pp[2], c[2], c[3], 20, 128);
-        }
+            for (tile_col = 0; tile_col < s->s.h.tiling.tile_cols; tile_col++) {
+                set_tile_offset(&tile_col_start, &tile_col_end,
+                                tile_col, s->s.h.tiling.log2_tile_cols, s->sb_cols);
+                td->tile_col_start = tile_col_start;
+                if (s->pass != 2) {
+                    memset(td->left_partition_ctx, 0, 8);
+                    memset(td->left_skip_ctx, 0, 8);
+                    if (s->s.h.keyframe || s->s.h.intraonly) {
+                        memset(td->left_mode_ctx, DC_PRED, 16);
+                    } else {
+                        memset(td->left_mode_ctx, NEARESTMV, 8);
+                    }
+                    memset(td->left_y_nnz_ctx, 0, 16);
+                    memset(td->left_uv_nnz_ctx, 0, 32);
+                    memset(td->left_segpred_ctx, 0, 8);
 
-    // tx size
-    if (s->s.h.txfmmode == TX_SWITCHABLE) {
-      for (i = 0; i < 2; i++) {
-          unsigned *c16 = s->counts.tx16p[i], *c32 = s->counts.tx32p[i];
-
-          adapt_prob(&p->tx8p[i], s->counts.tx8p[i][0], s->counts.tx8p[i][1], 20, 128);
-          adapt_prob(&p->tx16p[i][0], c16[0], c16[1] + c16[2], 20, 128);
-          adapt_prob(&p->tx16p[i][1], c16[1], c16[2], 20, 128);
-          adapt_prob(&p->tx32p[i][0], c32[0], c32[1] + c32[2] + c32[3], 20, 128);
-          adapt_prob(&p->tx32p[i][1], c32[1], c32[2] + c32[3], 20, 128);
-          adapt_prob(&p->tx32p[i][2], c32[2], c32[3], 20, 128);
-      }
-    }
+                    td->c = &td->c_b[tile_col];
+                }
 
-    // interpolation filter
-    if (s->s.h.filtermode == FILTER_SWITCHABLE) {
-        for (i = 0; i < 4; i++) {
-            uint8_t *pp = p->filter[i];
-            unsigned *c = s->counts.filter[i];
+                for (col = tile_col_start;
+                     col < tile_col_end;
+                     col += 8, yoff2 += 64 * bytesperpixel,
+                     uvoff2 += 64 * bytesperpixel >> s->ss_h, lflvl_ptr++) {
+                    // FIXME integrate with lf code (i.e. zero after each
+                    // use, similar to invtxfm coefficients, or similar)
+                    if (s->pass != 1) {
+                        memset(lflvl_ptr->mask, 0, sizeof(lflvl_ptr->mask));
+                    }
 
-            adapt_prob(&pp[0], c[0], c[1] + c[2], 20, 128);
-            adapt_prob(&pp[1], c[1], c[2], 20, 128);
-        }
-    }
+                    if (s->pass == 2) {
+                        decode_sb_mem(td, row, col, lflvl_ptr,
+                                      yoff2, uvoff2, BL_64X64);
+                    } else {
+                        decode_sb(td, row, col, lflvl_ptr,
+                                  yoff2, uvoff2, BL_64X64);
+                    }
+                }
+            }
 
-    // inter modes
-    for (i = 0; i < 7; i++) {
-        uint8_t *pp = p->mv_mode[i];
-        unsigned *c = s->counts.mv_mode[i];
+            if (s->pass == 1)
+                continue;
+
+            // backup pre-loopfilter reconstruction data for intra
+            // prediction of next row of sb64s
+            if (row + 8 < s->rows) {
+                memcpy(s->intra_pred_data[0],
+                       f->data[0] + yoff + 63 * ls_y,
+                       8 * s->cols * bytesperpixel);
+                memcpy(s->intra_pred_data[1],
+                       f->data[1] + uvoff + ((64 >> s->ss_v) - 1) * ls_uv,
+                       8 * s->cols * bytesperpixel >> s->ss_h);
+                memcpy(s->intra_pred_data[2],
+                       f->data[2] + uvoff + ((64 >> s->ss_v) - 1) * ls_uv,
+                       8 * s->cols * bytesperpixel >> s->ss_h);
+            }
+
+            // loopfilter one row
+            if (s->s.h.filter.level) {
+                yoff2 = yoff;
+                uvoff2 = uvoff;
+                lflvl_ptr = s->lflvl;
+                for (col = 0; col < s->cols;
+                     col += 8, yoff2 += 64 * bytesperpixel,
+                     uvoff2 += 64 * bytesperpixel >> s->ss_h, lflvl_ptr++) {
+                    ff_vp9_loopfilter_sb(avctx, lflvl_ptr, row, col,
+                                         yoff2, uvoff2);
+                }
+            }
 
-        adapt_prob(&pp[0], c[2], c[1] + c[0] + c[3], 20, 128);
-        adapt_prob(&pp[1], c[0], c[1] + c[3], 20, 128);
-        adapt_prob(&pp[2], c[1], c[3], 20, 128);
+            // FIXME maybe we can make this more finegrained by running the
+            // loopfilter per-block instead of after each sbrow
+            // In fact that would also make intra pred left preparation easier?
+            ff_thread_report_progress(&s->s.frames[CUR_FRAME].tf, row >> 3, 0);
+        }
     }
+    return 0;
+}
 
-    // mv joints
-    {
-        uint8_t *pp = p->mv_joint;
-        unsigned *c = s->counts.mv_joint;
+#if HAVE_THREADS
+static av_always_inline
+int decode_tiles_mt(AVCodecContext *avctx, void *tdata, int jobnr,
+                              int threadnr)
+{
+    VP9Context *s = avctx->priv_data;
+    VP9TileData *td = &s->td[jobnr];
+    ptrdiff_t uvoff, yoff, ls_y, ls_uv;
+    int bytesperpixel = s->bytesperpixel, row, col, tile_row;
+    unsigned tile_cols_len;
+    int tile_row_start, tile_row_end, tile_col_start, tile_col_end;
+    VP9Filter *lflvl_ptr_base;
+    AVFrame *f;
 
-        adapt_prob(&pp[0], c[0], c[1] + c[2] + c[3], 20, 128);
-        adapt_prob(&pp[1], c[1], c[2] + c[3], 20, 128);
-        adapt_prob(&pp[2], c[2], c[3], 20, 128);
-    }
+    f = s->s.frames[CUR_FRAME].tf.f;
+    ls_y = f->linesize[0];
+    ls_uv =f->linesize[1];
 
-    // mv components
-    for (i = 0; i < 2; i++) {
-        uint8_t *pp;
-        unsigned *c, (*c2)[2], sum;
-
-        adapt_prob(&p->mv_comp[i].sign, s->counts.mv_comp[i].sign[0],
-                   s->counts.mv_comp[i].sign[1], 20, 128);
-
-        pp = p->mv_comp[i].classes;
-        c = s->counts.mv_comp[i].classes;
-        sum = c[1] + c[2] + c[3] + c[4] + c[5] + c[6] + c[7] + c[8] + c[9] + c[10];
-        adapt_prob(&pp[0], c[0], sum, 20, 128);
-        sum -= c[1];
-        adapt_prob(&pp[1], c[1], sum, 20, 128);
-        sum -= c[2] + c[3];
-        adapt_prob(&pp[2], c[2] + c[3], sum, 20, 128);
-        adapt_prob(&pp[3], c[2], c[3], 20, 128);
-        sum -= c[4] + c[5];
-        adapt_prob(&pp[4], c[4] + c[5], sum, 20, 128);
-        adapt_prob(&pp[5], c[4], c[5], 20, 128);
-        sum -= c[6];
-        adapt_prob(&pp[6], c[6], sum, 20, 128);
-        adapt_prob(&pp[7], c[7] + c[8], c[9] + c[10], 20, 128);
-        adapt_prob(&pp[8], c[7], c[8], 20, 128);
-        adapt_prob(&pp[9], c[9], c[10], 20, 128);
-
-        adapt_prob(&p->mv_comp[i].class0, s->counts.mv_comp[i].class0[0],
-                   s->counts.mv_comp[i].class0[1], 20, 128);
-        pp = p->mv_comp[i].bits;
-        c2 = s->counts.mv_comp[i].bits;
-        for (j = 0; j < 10; j++)
-            adapt_prob(&pp[j], c2[j][0], c2[j][1], 20, 128);
-
-        for (j = 0; j < 2; j++) {
-            pp = p->mv_comp[i].class0_fp[j];
-            c = s->counts.mv_comp[i].class0_fp[j];
-            adapt_prob(&pp[0], c[0], c[1] + c[2] + c[3], 20, 128);
-            adapt_prob(&pp[1], c[1], c[2] + c[3], 20, 128);
-            adapt_prob(&pp[2], c[2], c[3], 20, 128);
-        }
-        pp = p->mv_comp[i].fp;
-        c = s->counts.mv_comp[i].fp;
-        adapt_prob(&pp[0], c[0], c[1] + c[2] + c[3], 20, 128);
-        adapt_prob(&pp[1], c[1], c[2] + c[3], 20, 128);
-        adapt_prob(&pp[2], c[2], c[3], 20, 128);
+    set_tile_offset(&tile_col_start, &tile_col_end,
+                    jobnr, s->s.h.tiling.log2_tile_cols, s->sb_cols);
+    td->tile_col_start  = tile_col_start;
+    uvoff = (64 * bytesperpixel >> s->ss_h)*(tile_col_start >> 3);
+    yoff = (64 * bytesperpixel)*(tile_col_start >> 3);
+    lflvl_ptr_base = s->lflvl+(tile_col_start >> 3);
+
+    for (tile_row = 0; tile_row < s->s.h.tiling.tile_rows; tile_row++) {
+        set_tile_offset(&tile_row_start, &tile_row_end,
+                        tile_row, s->s.h.tiling.log2_tile_rows, s->sb_rows);
+
+        td->c = &td->c_b[tile_row];
+        for (row = tile_row_start; row < tile_row_end;
+             row += 8, yoff += ls_y * 64, uvoff += ls_uv * 64 >> s->ss_v) {
+            ptrdiff_t yoff2 = yoff, uvoff2 = uvoff;
+            VP9Filter *lflvl_ptr = lflvl_ptr_base+s->sb_cols*(row >> 3);
+
+            memset(td->left_partition_ctx, 0, 8);
+            memset(td->left_skip_ctx, 0, 8);
+            if (s->s.h.keyframe || s->s.h.intraonly) {
+                memset(td->left_mode_ctx, DC_PRED, 16);
+            } else {
+                memset(td->left_mode_ctx, NEARESTMV, 8);
+            }
+            memset(td->left_y_nnz_ctx, 0, 16);
+            memset(td->left_uv_nnz_ctx, 0, 32);
+            memset(td->left_segpred_ctx, 0, 8);
 
-        if (s->s.h.highprecisionmvs) {
-            adapt_prob(&p->mv_comp[i].class0_hp, s->counts.mv_comp[i].class0_hp[0],
-                       s->counts.mv_comp[i].class0_hp[1], 20, 128);
-            adapt_prob(&p->mv_comp[i].hp, s->counts.mv_comp[i].hp[0],
-                       s->counts.mv_comp[i].hp[1], 20, 128);
-        }
-    }
+            for (col = tile_col_start;
+                 col < tile_col_end;
+                 col += 8, yoff2 += 64 * bytesperpixel,
+                 uvoff2 += 64 * bytesperpixel >> s->ss_h, lflvl_ptr++) {
+                // FIXME integrate with lf code (i.e. zero after each
+                // use, similar to invtxfm coefficients, or similar)
+                memset(lflvl_ptr->mask, 0, sizeof(lflvl_ptr->mask));
+                decode_sb(td, row, col, lflvl_ptr,
+                            yoff2, uvoff2, BL_64X64);
+            }
 
-    // y intra modes
-    for (i = 0; i < 4; i++) {
-        uint8_t *pp = p->y_mode[i];
-        unsigned *c = s->counts.y_mode[i], sum, s2;
-
-        sum = c[0] + c[1] + c[3] + c[4] + c[5] + c[6] + c[7] + c[8] + c[9];
-        adapt_prob(&pp[0], c[DC_PRED], sum, 20, 128);
-        sum -= c[TM_VP8_PRED];
-        adapt_prob(&pp[1], c[TM_VP8_PRED], sum, 20, 128);
-        sum -= c[VERT_PRED];
-        adapt_prob(&pp[2], c[VERT_PRED], sum, 20, 128);
-        s2 = c[HOR_PRED] + c[DIAG_DOWN_RIGHT_PRED] + c[VERT_RIGHT_PRED];
-        sum -= s2;
-        adapt_prob(&pp[3], s2, sum, 20, 128);
-        s2 -= c[HOR_PRED];
-        adapt_prob(&pp[4], c[HOR_PRED], s2, 20, 128);
-        adapt_prob(&pp[5], c[DIAG_DOWN_RIGHT_PRED], c[VERT_RIGHT_PRED], 20, 128);
-        sum -= c[DIAG_DOWN_LEFT_PRED];
-        adapt_prob(&pp[6], c[DIAG_DOWN_LEFT_PRED], sum, 20, 128);
-        sum -= c[VERT_LEFT_PRED];
-        adapt_prob(&pp[7], c[VERT_LEFT_PRED], sum, 20, 128);
-        adapt_prob(&pp[8], c[HOR_DOWN_PRED], c[HOR_UP_PRED], 20, 128);
-    }
+            // backup pre-loopfilter reconstruction data for intra
+            // prediction of next row of sb64s
+            tile_cols_len = tile_col_end - tile_col_start;
+            if (row + 8 < s->rows) {
+                memcpy(s->intra_pred_data[0] + (tile_col_start * 8 * bytesperpixel),
+                       f->data[0] + yoff + 63 * ls_y,
+                       8 * tile_cols_len * bytesperpixel);
+                memcpy(s->intra_pred_data[1] + (tile_col_start * 8 * bytesperpixel >> s->ss_h),
+                       f->data[1] + uvoff + ((64 >> s->ss_v) - 1) * ls_uv,
+                       8 * tile_cols_len * bytesperpixel >> s->ss_h);
+                memcpy(s->intra_pred_data[2] + (tile_col_start * 8 * bytesperpixel >> s->ss_h),
+                       f->data[2] + uvoff + ((64 >> s->ss_v) - 1) * ls_uv,
+                       8 * tile_cols_len * bytesperpixel >> s->ss_h);
+            }
 
-    // uv intra modes
-    for (i = 0; i < 10; i++) {
-        uint8_t *pp = p->uv_mode[i];
-        unsigned *c = s->counts.uv_mode[i], sum, s2;
-
-        sum = c[0] + c[1] + c[3] + c[4] + c[5] + c[6] + c[7] + c[8] + c[9];
-        adapt_prob(&pp[0], c[DC_PRED], sum, 20, 128);
-        sum -= c[TM_VP8_PRED];
-        adapt_prob(&pp[1], c[TM_VP8_PRED], sum, 20, 128);
-        sum -= c[VERT_PRED];
-        adapt_prob(&pp[2], c[VERT_PRED], sum, 20, 128);
-        s2 = c[HOR_PRED] + c[DIAG_DOWN_RIGHT_PRED] + c[VERT_RIGHT_PRED];
-        sum -= s2;
-        adapt_prob(&pp[3], s2, sum, 20, 128);
-        s2 -= c[HOR_PRED];
-        adapt_prob(&pp[4], c[HOR_PRED], s2, 20, 128);
-        adapt_prob(&pp[5], c[DIAG_DOWN_RIGHT_PRED], c[VERT_RIGHT_PRED], 20, 128);
-        sum -= c[DIAG_DOWN_LEFT_PRED];
-        adapt_prob(&pp[6], c[DIAG_DOWN_LEFT_PRED], sum, 20, 128);
-        sum -= c[VERT_LEFT_PRED];
-        adapt_prob(&pp[7], c[VERT_LEFT_PRED], sum, 20, 128);
-        adapt_prob(&pp[8], c[HOR_DOWN_PRED], c[HOR_UP_PRED], 20, 128);
+            vp9_report_tile_progress(s, row >> 3, 1);
+        }
     }
+    return 0;
 }
 
-static void free_buffers(VP9Context *s)
+static av_always_inline
+int loopfilter_proc(AVCodecContext *avctx)
 {
-    av_freep(&s->intra_pred_data[0]);
-    av_freep(&s->b_base);
-    av_freep(&s->block_base);
-}
+    VP9Context *s = avctx->priv_data;
+    ptrdiff_t uvoff, yoff, ls_y, ls_uv;
+    VP9Filter *lflvl_ptr;
+    int bytesperpixel = s->bytesperpixel, col, i;
+    AVFrame *f;
 
-static av_cold int vp9_decode_free(AVCodecContext *ctx)
-{
-    VP9Context *s = ctx->priv_data;
-    int i;
+    f = s->s.frames[CUR_FRAME].tf.f;
+    ls_y = f->linesize[0];
+    ls_uv =f->linesize[1];
 
-    for (i = 0; i < 3; i++) {
-        if (s->s.frames[i].tf.f->buf[0])
-            vp9_unref_frame(ctx, &s->s.frames[i]);
-        av_frame_free(&s->s.frames[i].tf.f);
-    }
-    for (i = 0; i < 8; i++) {
-        if (s->s.refs[i].f->buf[0])
-            ff_thread_release_buffer(ctx, &s->s.refs[i]);
-        av_frame_free(&s->s.refs[i].f);
-        if (s->next_refs[i].f->buf[0])
-            ff_thread_release_buffer(ctx, &s->next_refs[i]);
-        av_frame_free(&s->next_refs[i].f);
-    }
-    free_buffers(s);
-    av_freep(&s->c_b);
-    s->c_b_size = 0;
+    for (i = 0; i < s->sb_rows; i++) {
+        vp9_await_tile_progress(s, i, s->s.h.tiling.tile_cols);
 
+        if (s->s.h.filter.level) {
+            yoff = (ls_y * 64)*i;
+            uvoff =  (ls_uv * 64 >> s->ss_v)*i;
+            lflvl_ptr = s->lflvl+s->sb_cols*i;
+            for (col = 0; col < s->cols;
+                 col += 8, yoff += 64 * bytesperpixel,
+                 uvoff += 64 * bytesperpixel >> s->ss_h, lflvl_ptr++) {
+                ff_vp9_loopfilter_sb(avctx, lflvl_ptr, i << 3, col,
+                                     yoff, uvoff);
+            }
+        }
+    }
     return 0;
 }
+#endif
 
-
-static int vp9_decode_frame(AVCodecContext *ctx, void *frame,
+static int vp9_decode_frame(AVCodecContext *avctx, void *frame,
                             int *got_frame, AVPacket *pkt)
 {
     const uint8_t *data = pkt->data;
     int size = pkt->size;
-    VP9Context *s = ctx->priv_data;
-    int res, tile_row, tile_col, i, ref, row, col;
+    VP9Context *s = avctx->priv_data;
+    int ret, i, j, ref;
     int retain_segmap_ref = s->s.frames[REF_FRAME_SEGMAP].segmentation_map &&
                             (!s->s.h.segmentation.enabled || !s->s.h.segmentation.update_map);
-    ptrdiff_t yoff, uvoff, ls_y, ls_uv;
     AVFrame *f;
-    int bytesperpixel;
 
-    if ((res = decode_frame_header(ctx, data, size, &ref)) < 0) {
-        return res;
-    } else if (res == 0) {
+    if ((ret = decode_frame_header(avctx, data, size, &ref)) < 0) {
+        return ret;
+    } else if (ret == 0) {
         if (!s->s.refs[ref].f->buf[0]) {
-            av_log(ctx, AV_LOG_ERROR, "Requested reference %d not available\n", ref);
+            av_log(avctx, AV_LOG_ERROR, "Requested reference %d not available\n", ref);
             return AVERROR_INVALIDDATA;
         }
-        if ((res = av_frame_ref(frame, s->s.refs[ref].f)) < 0)
-            return res;
+        if ((ret = av_frame_ref(frame, s->s.refs[ref].f)) < 0)
+            return ret;
         ((AVFrame *)frame)->pts = pkt->pts;
 #if FF_API_PKT_PTS
 FF_DISABLE_DEPRECATION_WARNINGS
@@ -4000,73 +1480,70 @@ FF_ENABLE_DEPRECATION_WARNINGS
         ((AVFrame *)frame)->pkt_dts = pkt->dts;
         for (i = 0; i < 8; i++) {
             if (s->next_refs[i].f->buf[0])
-                ff_thread_release_buffer(ctx, &s->next_refs[i]);
+                ff_thread_release_buffer(avctx, &s->next_refs[i]);
             if (s->s.refs[i].f->buf[0] &&
-                (res = ff_thread_ref_frame(&s->next_refs[i], &s->s.refs[i])) < 0)
-                return res;
+                (ret = ff_thread_ref_frame(&s->next_refs[i], &s->s.refs[i])) < 0)
+                return ret;
         }
         *got_frame = 1;
         return pkt->size;
     }
-    data += res;
-    size -= res;
+    data += ret;
+    size -= ret;
 
     if (!retain_segmap_ref || s->s.h.keyframe || s->s.h.intraonly) {
         if (s->s.frames[REF_FRAME_SEGMAP].tf.f->buf[0])
-            vp9_unref_frame(ctx, &s->s.frames[REF_FRAME_SEGMAP]);
+            vp9_frame_unref(avctx, &s->s.frames[REF_FRAME_SEGMAP]);
         if (!s->s.h.keyframe && !s->s.h.intraonly && !s->s.h.errorres && s->s.frames[CUR_FRAME].tf.f->buf[0] &&
-            (res = vp9_ref_frame(ctx, &s->s.frames[REF_FRAME_SEGMAP], &s->s.frames[CUR_FRAME])) < 0)
-            return res;
+            (ret = vp9_frame_ref(avctx, &s->s.frames[REF_FRAME_SEGMAP], &s->s.frames[CUR_FRAME])) < 0)
+            return ret;
     }
     if (s->s.frames[REF_FRAME_MVPAIR].tf.f->buf[0])
-        vp9_unref_frame(ctx, &s->s.frames[REF_FRAME_MVPAIR]);
+        vp9_frame_unref(avctx, &s->s.frames[REF_FRAME_MVPAIR]);
     if (!s->s.h.intraonly && !s->s.h.keyframe && !s->s.h.errorres && s->s.frames[CUR_FRAME].tf.f->buf[0] &&
-        (res = vp9_ref_frame(ctx, &s->s.frames[REF_FRAME_MVPAIR], &s->s.frames[CUR_FRAME])) < 0)
-        return res;
+        (ret = vp9_frame_ref(avctx, &s->s.frames[REF_FRAME_MVPAIR], &s->s.frames[CUR_FRAME])) < 0)
+        return ret;
     if (s->s.frames[CUR_FRAME].tf.f->buf[0])
-        vp9_unref_frame(ctx, &s->s.frames[CUR_FRAME]);
-    if ((res = vp9_alloc_frame(ctx, &s->s.frames[CUR_FRAME])) < 0)
-        return res;
+        vp9_frame_unref(avctx, &s->s.frames[CUR_FRAME]);
+    if ((ret = vp9_frame_alloc(avctx, &s->s.frames[CUR_FRAME])) < 0)
+        return ret;
     f = s->s.frames[CUR_FRAME].tf.f;
     f->key_frame = s->s.h.keyframe;
     f->pict_type = (s->s.h.keyframe || s->s.h.intraonly) ? AV_PICTURE_TYPE_I : AV_PICTURE_TYPE_P;
-    ls_y = f->linesize[0];
-    ls_uv =f->linesize[1];
 
     if (s->s.frames[REF_FRAME_SEGMAP].tf.f->buf[0] &&
         (s->s.frames[REF_FRAME_MVPAIR].tf.f->width  != s->s.frames[CUR_FRAME].tf.f->width ||
          s->s.frames[REF_FRAME_MVPAIR].tf.f->height != s->s.frames[CUR_FRAME].tf.f->height)) {
-        vp9_unref_frame(ctx, &s->s.frames[REF_FRAME_SEGMAP]);
+        vp9_frame_unref(avctx, &s->s.frames[REF_FRAME_SEGMAP]);
     }
 
     // ref frame setup
     for (i = 0; i < 8; i++) {
         if (s->next_refs[i].f->buf[0])
-            ff_thread_release_buffer(ctx, &s->next_refs[i]);
+            ff_thread_release_buffer(avctx, &s->next_refs[i]);
         if (s->s.h.refreshrefmask & (1 << i)) {
-            res = ff_thread_ref_frame(&s->next_refs[i], &s->s.frames[CUR_FRAME].tf);
+            ret = ff_thread_ref_frame(&s->next_refs[i], &s->s.frames[CUR_FRAME].tf);
         } else if (s->s.refs[i].f->buf[0]) {
-            res = ff_thread_ref_frame(&s->next_refs[i], &s->s.refs[i]);
-        }
-        if (res < 0)
-            return res;
-    }
-
-    if (ctx->hwaccel) {
-        res = ctx->hwaccel->start_frame(ctx, NULL, 0);
-        if (res < 0)
-            return res;
-        res = ctx->hwaccel->decode_slice(ctx, pkt->data, pkt->size);
-        if (res < 0)
-            return res;
-        res = ctx->hwaccel->end_frame(ctx);
-        if (res < 0)
-            return res;
+            ret = ff_thread_ref_frame(&s->next_refs[i], &s->s.refs[i]);
+        }
+        if (ret < 0)
+            return ret;
+    }
+
+    if (avctx->hwaccel) {
+        ret = avctx->hwaccel->start_frame(avctx, NULL, 0);
+        if (ret < 0)
+            return ret;
+        ret = avctx->hwaccel->decode_slice(avctx, pkt->data, pkt->size);
+        if (ret < 0)
+            return ret;
+        ret = avctx->hwaccel->end_frame(avctx);
+        if (ret < 0)
+            return ret;
         goto finish;
     }
 
     // main tile decode loop
-    bytesperpixel = s->bytesperpixel;
     memset(s->above_partition_ctx, 0, s->cols);
     memset(s->above_skip_ctx, 0, s->cols);
     if (s->s.h.keyframe || s->s.h.intraonly) {
@@ -4079,11 +1556,11 @@ FF_ENABLE_DEPRECATION_WARNINGS
     memset(s->above_uv_nnz_ctx[1], 0, s->sb_cols * 16 >> s->ss_h);
     memset(s->above_segpred_ctx, 0, s->cols);
     s->pass = s->s.frames[CUR_FRAME].uses_2pass =
-        ctx->active_thread_type == FF_THREAD_FRAME && s->s.h.refreshctx && !s->s.h.parallelmode;
-    if ((res = update_block_buffers(ctx)) < 0) {
-        av_log(ctx, AV_LOG_ERROR,
+        avctx->active_thread_type == FF_THREAD_FRAME && s->s.h.refreshctx && !s->s.h.parallelmode;
+    if ((ret = update_block_buffers(avctx)) < 0) {
+        av_log(avctx, AV_LOG_ERROR,
                "Failed to allocate block buffers\n");
-        return res;
+        return ret;
     }
     if (s->s.h.refreshctx && s->s.h.parallelmode) {
         int j, k, l, m;
@@ -4099,25 +1576,36 @@ FF_ENABLE_DEPRECATION_WARNINGS
                 break;
         }
         s->prob_ctx[s->s.h.framectxid].p = s->prob.p;
-        ff_thread_finish_setup(ctx);
+        ff_thread_finish_setup(avctx);
     } else if (!s->s.h.refreshctx) {
-        ff_thread_finish_setup(ctx);
+        ff_thread_finish_setup(avctx);
+    }
+
+#if HAVE_THREADS
+    if (avctx->active_thread_type & FF_THREAD_SLICE) {
+        for (i = 0; i < s->sb_rows; i++)
+            atomic_store(&s->entries[i], 0);
     }
+#endif
 
     do {
-        yoff = uvoff = 0;
-        s->b = s->b_base;
-        s->block = s->block_base;
-        s->uvblock[0] = s->uvblock_base[0];
-        s->uvblock[1] = s->uvblock_base[1];
-        s->eob = s->eob_base;
-        s->uveob[0] = s->uveob_base[0];
-        s->uveob[1] = s->uveob_base[1];
-
-        for (tile_row = 0; tile_row < s->s.h.tiling.tile_rows; tile_row++) {
-            set_tile_offset(&s->tile_row_start, &s->tile_row_end,
-                            tile_row, s->s.h.tiling.log2_tile_rows, s->sb_rows);
-            if (s->pass != 2) {
+        for (i = 0; i < s->active_tile_cols; i++) {
+            s->td[i].b = s->td[i].b_base;
+            s->td[i].block = s->td[i].block_base;
+            s->td[i].uvblock[0] = s->td[i].uvblock_base[0];
+            s->td[i].uvblock[1] = s->td[i].uvblock_base[1];
+            s->td[i].eob = s->td[i].eob_base;
+            s->td[i].uveob[0] = s->td[i].uveob_base[0];
+            s->td[i].uveob[1] = s->td[i].uveob_base[1];
+        }
+
+#if HAVE_THREADS
+        if (avctx->active_thread_type == FF_THREAD_SLICE) {
+            int tile_row, tile_col;
+
+            av_assert1(!s->pass);
+
+            for (tile_row = 0; tile_row < s->s.h.tiling.tile_rows; tile_row++) {
                 for (tile_col = 0; tile_col < s->s.h.tiling.tile_cols; tile_col++) {
                     int64_t tile_size;
 
@@ -4129,107 +1617,38 @@ FF_ENABLE_DEPRECATION_WARNINGS
                         data += 4;
                         size -= 4;
                     }
-                    if (tile_size > size) {
-                        ff_thread_report_progress(&s->s.frames[CUR_FRAME].tf, INT_MAX, 0);
+                    if (tile_size > size)
                         return AVERROR_INVALIDDATA;
-                    }
-                    ff_vp56_init_range_decoder(&s->c_b[tile_col], data, tile_size);
-                    if (vp56_rac_get_prob_branchy(&s->c_b[tile_col], 128)) { // marker bit
-                        ff_thread_report_progress(&s->s.frames[CUR_FRAME].tf, INT_MAX, 0);
+                    ret = ff_vp56_init_range_decoder(&s->td[tile_col].c_b[tile_row], data, tile_size);
+                    if (ret < 0)
+                        return ret;
+                    if (vp56_rac_get_prob_branchy(&s->td[tile_col].c_b[tile_row], 128)) // marker bit
                         return AVERROR_INVALIDDATA;
-                    }
                     data += tile_size;
                     size -= tile_size;
                 }
             }
 
-            for (row = s->tile_row_start; row < s->tile_row_end;
-                 row += 8, yoff += ls_y * 64, uvoff += ls_uv * 64 >> s->ss_v) {
-                struct VP9Filter *lflvl_ptr = s->lflvl;
-                ptrdiff_t yoff2 = yoff, uvoff2 = uvoff;
-
-                for (tile_col = 0; tile_col < s->s.h.tiling.tile_cols; tile_col++) {
-                    set_tile_offset(&s->tile_col_start, &s->tile_col_end,
-                                    tile_col, s->s.h.tiling.log2_tile_cols, s->sb_cols);
-
-                    if (s->pass != 2) {
-                        memset(s->left_partition_ctx, 0, 8);
-                        memset(s->left_skip_ctx, 0, 8);
-                        if (s->s.h.keyframe || s->s.h.intraonly) {
-                            memset(s->left_mode_ctx, DC_PRED, 16);
-                        } else {
-                            memset(s->left_mode_ctx, NEARESTMV, 8);
-                        }
-                        memset(s->left_y_nnz_ctx, 0, 16);
-                        memset(s->left_uv_nnz_ctx, 0, 32);
-                        memset(s->left_segpred_ctx, 0, 8);
-
-                        memcpy(&s->c, &s->c_b[tile_col], sizeof(s->c));
-                    }
-
-                    for (col = s->tile_col_start;
-                         col < s->tile_col_end;
-                         col += 8, yoff2 += 64 * bytesperpixel,
-                         uvoff2 += 64 * bytesperpixel >> s->ss_h, lflvl_ptr++) {
-                        // FIXME integrate with lf code (i.e. zero after each
-                        // use, similar to invtxfm coefficients, or similar)
-                        if (s->pass != 1) {
-                            memset(lflvl_ptr->mask, 0, sizeof(lflvl_ptr->mask));
-                        }
-
-                        if (s->pass == 2) {
-                            decode_sb_mem(ctx, row, col, lflvl_ptr,
-                                          yoff2, uvoff2, BL_64X64);
-                        } else {
-                            decode_sb(ctx, row, col, lflvl_ptr,
-                                      yoff2, uvoff2, BL_64X64);
-                        }
-                    }
-                    if (s->pass != 2) {
-                        memcpy(&s->c_b[tile_col], &s->c, sizeof(s->c));
-                    }
-                }
-
-                if (s->pass == 1) {
-                    continue;
-                }
-
-                // backup pre-loopfilter reconstruction data for intra
-                // prediction of next row of sb64s
-                if (row + 8 < s->rows) {
-                    memcpy(s->intra_pred_data[0],
-                           f->data[0] + yoff + 63 * ls_y,
-                           8 * s->cols * bytesperpixel);
-                    memcpy(s->intra_pred_data[1],
-                           f->data[1] + uvoff + ((64 >> s->ss_v) - 1) * ls_uv,
-                           8 * s->cols * bytesperpixel >> s->ss_h);
-                    memcpy(s->intra_pred_data[2],
-                           f->data[2] + uvoff + ((64 >> s->ss_v) - 1) * ls_uv,
-                           8 * s->cols * bytesperpixel >> s->ss_h);
-                }
-
-                // loopfilter one row
-                if (s->s.h.filter.level) {
-                    yoff2 = yoff;
-                    uvoff2 = uvoff;
-                    lflvl_ptr = s->lflvl;
-                    for (col = 0; col < s->cols;
-                         col += 8, yoff2 += 64 * bytesperpixel,
-                         uvoff2 += 64 * bytesperpixel >> s->ss_h, lflvl_ptr++) {
-                        loopfilter_sb(ctx, lflvl_ptr, row, col, yoff2, uvoff2);
-                    }
-                }
-
-                // FIXME maybe we can make this more finegrained by running the
-                // loopfilter per-block instead of after each sbrow
-                // In fact that would also make intra pred left preparation easier?
-                ff_thread_report_progress(&s->s.frames[CUR_FRAME].tf, row >> 3, 0);
+            ff_slice_thread_execute_with_mainfunc(avctx, decode_tiles_mt, loopfilter_proc, s->td, NULL, s->s.h.tiling.tile_cols);
+        } else
+#endif
+        {
+            ret = decode_tiles(avctx, data, size);
+            if (ret < 0) {
+                ff_thread_report_progress(&s->s.frames[CUR_FRAME].tf, INT_MAX, 0);
+                return ret;
             }
         }
 
+        // Sum all counts fields into td[0].counts for tile threading
+        if (avctx->active_thread_type == FF_THREAD_SLICE)
+            for (i = 1; i < s->s.h.tiling.tile_cols; i++)
+                for (j = 0; j < sizeof(s->td[i].counts) / sizeof(unsigned); j++)
+                    ((unsigned *)&s->td[0].counts)[j] += ((unsigned *)&s->td[i].counts)[j];
+
         if (s->pass < 2 && s->s.h.refreshctx && !s->s.h.parallelmode) {
-            adapt_probs(s);
-            ff_thread_finish_setup(ctx);
+            ff_vp9_adapt_probs(s);
+            ff_thread_finish_setup(avctx);
         }
     } while (s->pass++ == 1);
     ff_thread_report_progress(&s->s.frames[CUR_FRAME].tf, INT_MAX, 0);
@@ -4238,42 +1657,42 @@ finish:
     // ref frame setup
     for (i = 0; i < 8; i++) {
         if (s->s.refs[i].f->buf[0])
-            ff_thread_release_buffer(ctx, &s->s.refs[i]);
+            ff_thread_release_buffer(avctx, &s->s.refs[i]);
         if (s->next_refs[i].f->buf[0] &&
-            (res = ff_thread_ref_frame(&s->s.refs[i], &s->next_refs[i])) < 0)
-            return res;
+            (ret = ff_thread_ref_frame(&s->s.refs[i], &s->next_refs[i])) < 0)
+            return ret;
     }
 
     if (!s->s.h.invisible) {
-        if ((res = av_frame_ref(frame, s->s.frames[CUR_FRAME].tf.f)) < 0)
-            return res;
+        if ((ret = av_frame_ref(frame, s->s.frames[CUR_FRAME].tf.f)) < 0)
+            return ret;
         *got_frame = 1;
     }
 
     return pkt->size;
 }
 
-static void vp9_decode_flush(AVCodecContext *ctx)
+static void vp9_decode_flush(AVCodecContext *avctx)
 {
-    VP9Context *s = ctx->priv_data;
+    VP9Context *s = avctx->priv_data;
     int i;
 
     for (i = 0; i < 3; i++)
-        vp9_unref_frame(ctx, &s->s.frames[i]);
+        vp9_frame_unref(avctx, &s->s.frames[i]);
     for (i = 0; i < 8; i++)
-        ff_thread_release_buffer(ctx, &s->s.refs[i]);
+        ff_thread_release_buffer(avctx, &s->s.refs[i]);
 }
 
-static int init_frames(AVCodecContext *ctx)
+static int init_frames(AVCodecContext *avctx)
 {
-    VP9Context *s = ctx->priv_data;
+    VP9Context *s = avctx->priv_data;
     int i;
 
     for (i = 0; i < 3; i++) {
         s->s.frames[i].tf.f = av_frame_alloc();
         if (!s->s.frames[i].tf.f) {
-            vp9_decode_free(ctx);
-            av_log(ctx, AV_LOG_ERROR, "Failed to allocate frame buffer %d\n", i);
+            vp9_decode_free(avctx);
+            av_log(avctx, AV_LOG_ERROR, "Failed to allocate frame buffer %d\n", i);
             return AVERROR(ENOMEM);
         }
     }
@@ -4281,8 +1700,8 @@ static int init_frames(AVCodecContext *ctx)
         s->s.refs[i].f = av_frame_alloc();
         s->next_refs[i].f = av_frame_alloc();
         if (!s->s.refs[i].f || !s->next_refs[i].f) {
-            vp9_decode_free(ctx);
-            av_log(ctx, AV_LOG_ERROR, "Failed to allocate frame buffer %d\n", i);
+            vp9_decode_free(avctx);
+            av_log(avctx, AV_LOG_ERROR, "Failed to allocate frame buffer %d\n", i);
             return AVERROR(ENOMEM);
         }
     }
@@ -4290,15 +1709,15 @@ static int init_frames(AVCodecContext *ctx)
     return 0;
 }
 
-static av_cold int vp9_decode_init(AVCodecContext *ctx)
+static av_cold int vp9_decode_init(AVCodecContext *avctx)
 {
-    VP9Context *s = ctx->priv_data;
+    VP9Context *s = avctx->priv_data;
 
-    ctx->internal->allocate_progress = 1;
+    avctx->internal->allocate_progress = 1;
     s->last_bpp = 0;
     s->s.h.filter.sharpness = -1;
 
-    return init_frames(ctx);
+    return init_frames(avctx);
 }
 
 #if HAVE_THREADS
@@ -4309,23 +1728,23 @@ static av_cold int vp9_decode_init_thread_copy(AVCodecContext *avctx)
 
 static int vp9_decode_update_thread_context(AVCodecContext *dst, const AVCodecContext *src)
 {
-    int i, res;
+    int i, ret;
     VP9Context *s = dst->priv_data, *ssrc = src->priv_data;
 
     for (i = 0; i < 3; i++) {
         if (s->s.frames[i].tf.f->buf[0])
-            vp9_unref_frame(dst, &s->s.frames[i]);
+            vp9_frame_unref(dst, &s->s.frames[i]);
         if (ssrc->s.frames[i].tf.f->buf[0]) {
-            if ((res = vp9_ref_frame(dst, &s->s.frames[i], &ssrc->s.frames[i])) < 0)
-                return res;
+            if ((ret = vp9_frame_ref(dst, &s->s.frames[i], &ssrc->s.frames[i])) < 0)
+                return ret;
         }
     }
     for (i = 0; i < 8; i++) {
         if (s->s.refs[i].f->buf[0])
             ff_thread_release_buffer(dst, &s->s.refs[i]);
         if (ssrc->next_refs[i].f->buf[0]) {
-            if ((res = ff_thread_ref_frame(&s->s.refs[i], &ssrc->next_refs[i])) < 0)
-                return res;
+            if ((ret = ff_thread_ref_frame(&s->s.refs[i], &ssrc->next_refs[i])) < 0)
+                return ret;
         }
     }
 
@@ -4341,7 +1760,7 @@ static int vp9_decode_update_thread_context(AVCodecContext *dst, const AVCodecCo
     s->gf_fmt = ssrc->gf_fmt;
     s->w = ssrc->w;
     s->h = ssrc->h;
-    s->bpp = ssrc->bpp;
+    s->s.h.bpp = ssrc->s.h.bpp;
     s->bpp_index = ssrc->bpp_index;
     s->pix_fmt = ssrc->pix_fmt;
     memcpy(&s->prob_ctx, &ssrc->prob_ctx, sizeof(s->prob_ctx));
@@ -4362,7 +1781,8 @@ AVCodec ff_vp9_decoder = {
     .init                  = vp9_decode_init,
     .close                 = vp9_decode_free,
     .decode                = vp9_decode_frame,
-    .capabilities          = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_FRAME_THREADS,
+    .capabilities          = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_FRAME_THREADS | AV_CODEC_CAP_SLICE_THREADS,
+    .caps_internal         = FF_CODEC_CAP_SLICE_THREAD_HAS_MF,
     .flush                 = vp9_decode_flush,
     .init_thread_copy      = ONLY_IF_THREADS_ENABLED(vp9_decode_init_thread_copy),
     .update_thread_context = ONLY_IF_THREADS_ENABLED(vp9_decode_update_thread_context),
diff --git a/media/ffvpx/libavcodec/vp9.h b/media/ffvpx/libavcodec/vp9.h
index df5bd4d85..c8d07ad98 100644
--- a/media/ffvpx/libavcodec/vp9.h
+++ b/media/ffvpx/libavcodec/vp9.h
@@ -24,42 +24,6 @@
 #ifndef AVCODEC_VP9_H
 #define AVCODEC_VP9_H
 
-#include <stdint.h>
-
-#include "thread.h"
-#include "vp56.h"
-
-enum BlockLevel {
-    BL_64X64,
-    BL_32X32,
-    BL_16X16,
-    BL_8X8,
-};
-
-enum BlockPartition {
-    PARTITION_NONE,    // [ ] <-.
-    PARTITION_H,       // [-]   |
-    PARTITION_V,       // [|]   |
-    PARTITION_SPLIT,   // [+] --'
-};
-
-enum BlockSize {
-    BS_64x64,
-    BS_64x32,
-    BS_32x64,
-    BS_32x32,
-    BS_32x16,
-    BS_16x32,
-    BS_16x16,
-    BS_16x8,
-    BS_8x16,
-    BS_8x8,
-    BS_8x4,
-    BS_4x8,
-    BS_4x4,
-    N_BS_SIZES,
-};
-
 enum TxfmMode {
     TX_4X4,
     TX_8X8,
@@ -97,115 +61,13 @@ enum IntraPredMode {
     N_INTRA_PRED_MODES
 };
 
-enum InterPredMode {
-    NEARESTMV = 10,
-    NEARMV = 11,
-    ZEROMV = 12,
-    NEWMV = 13,
-};
-
 enum FilterMode {
     FILTER_8TAP_SMOOTH,
     FILTER_8TAP_REGULAR,
     FILTER_8TAP_SHARP,
     FILTER_BILINEAR,
-    FILTER_SWITCHABLE,
+    N_FILTERS,
+    FILTER_SWITCHABLE = N_FILTERS,
 };
 
-enum CompPredMode {
-    PRED_SINGLEREF,
-    PRED_COMPREF,
-    PRED_SWITCHABLE,
-};
-
-struct VP9mvrefPair {
-    VP56mv mv[2];
-    int8_t ref[2];
-};
-
-typedef struct VP9Frame {
-    ThreadFrame tf;
-    AVBufferRef *extradata;
-    uint8_t *segmentation_map;
-    struct VP9mvrefPair *mv;
-    int uses_2pass;
-
-    AVBufferRef *hwaccel_priv_buf;
-    void *hwaccel_picture_private;
-} VP9Frame;
-
-typedef struct VP9BitstreamHeader {
-    // bitstream header
-    uint8_t profile;
-    uint8_t keyframe;
-    uint8_t invisible;
-    uint8_t errorres;
-    uint8_t intraonly;
-    uint8_t resetctx;
-    uint8_t refreshrefmask;
-    uint8_t highprecisionmvs;
-    enum FilterMode filtermode;
-    uint8_t allowcompinter;
-    uint8_t refreshctx;
-    uint8_t parallelmode;
-    uint8_t framectxid;
-    uint8_t use_last_frame_mvs;
-    uint8_t refidx[3];
-    uint8_t signbias[3];
-    uint8_t fixcompref;
-    uint8_t varcompref[2];
-    struct {
-        uint8_t level;
-        int8_t sharpness;
-    } filter;
-    struct {
-        uint8_t enabled;
-        uint8_t updated;
-        int8_t mode[2];
-        int8_t ref[4];
-    } lf_delta;
-    uint8_t yac_qi;
-    int8_t ydc_qdelta, uvdc_qdelta, uvac_qdelta;
-    uint8_t lossless;
-#define MAX_SEGMENT 8
-    struct {
-        uint8_t enabled;
-        uint8_t temporal;
-        uint8_t absolute_vals;
-        uint8_t update_map;
-        uint8_t prob[7];
-        uint8_t pred_prob[3];
-        struct {
-            uint8_t q_enabled;
-            uint8_t lf_enabled;
-            uint8_t ref_enabled;
-            uint8_t skip_enabled;
-            uint8_t ref_val;
-            int16_t q_val;
-            int8_t lf_val;
-            int16_t qmul[2][2];
-            uint8_t lflvl[4][2];
-        } feat[MAX_SEGMENT];
-    } segmentation;
-    enum TxfmMode txfmmode;
-    enum CompPredMode comppredmode;
-    struct {
-        unsigned log2_tile_cols, log2_tile_rows;
-        unsigned tile_cols, tile_rows;
-    } tiling;
-
-    int uncompressed_header_size;
-    int compressed_header_size;
-} VP9BitstreamHeader;
-
-typedef struct VP9SharedContext {
-    VP9BitstreamHeader h;
-
-    ThreadFrame refs[8];
-#define CUR_FRAME 0
-#define REF_FRAME_MVPAIR 1
-#define REF_FRAME_SEGMAP 2
-    VP9Frame frames[3];
-} VP9SharedContext;
-
 #endif /* AVCODEC_VP9_H */
diff --git a/media/ffvpx/libavcodec/vp9_mc_template.c b/media/ffvpx/libavcodec/vp9_mc_template.c
index 38d9a6da9..31e692f36 100644
--- a/media/ffvpx/libavcodec/vp9_mc_template.c
+++ b/media/ffvpx/libavcodec/vp9_mc_template.c
@@ -27,19 +27,19 @@
     (VP56mv) { .x = ROUNDED_DIV(a.x + b.x + c.x + d.x, 4), \
                .y = ROUNDED_DIV(a.y + b.y + c.y + d.y, 4) }
 
-static void FN(inter_pred)(AVCodecContext *ctx)
+static void FN(inter_pred)(VP9TileData *td)
 {
     static const uint8_t bwlog_tab[2][N_BS_SIZES] = {
         { 0, 0, 1, 1, 1, 2, 2, 2, 3, 3, 3, 4, 4 },
         { 1, 1, 2, 2, 2, 3, 3, 3, 4, 4, 4, 4, 4 },
     };
-    VP9Context *s = ctx->priv_data;
-    VP9Block *b = s->b;
-    int row = s->row, col = s->col;
+    VP9Context *s = td->s;
+    VP9Block *b = td->b;
+    int row = td->row, col = td->col;
     ThreadFrame *tref1 = &s->s.refs[s->s.h.refidx[b->ref[0]]], *tref2;
     AVFrame *ref1 = tref1->f, *ref2;
     int w1 = ref1->width, h1 = ref1->height, w2, h2;
-    ptrdiff_t ls_y = s->y_stride, ls_uv = s->uv_stride;
+    ptrdiff_t ls_y = td->y_stride, ls_uv = td->uv_stride;
     int bytesperpixel = BYTES_PER_PIXEL;
 
     if (b->comp) {
@@ -55,26 +55,26 @@ static void FN(inter_pred)(AVCodecContext *ctx)
 
 #if SCALED == 0
         if (b->bs == BS_8x4) {
-            mc_luma_dir(s, mc[3][b->filter][0], s->dst[0], ls_y,
+            mc_luma_dir(td, mc[3][b->filter][0], td->dst[0], ls_y,
                         ref1->data[0], ref1->linesize[0], tref1,
                         row << 3, col << 3, &b->mv[0][0],,,,, 8, 4, w1, h1, 0);
-            mc_luma_dir(s, mc[3][b->filter][0],
-                        s->dst[0] + 4 * ls_y, ls_y,
+            mc_luma_dir(td, mc[3][b->filter][0],
+                        td->dst[0] + 4 * ls_y, ls_y,
                         ref1->data[0], ref1->linesize[0], tref1,
                         (row << 3) + 4, col << 3, &b->mv[2][0],,,,, 8, 4, w1, h1, 0);
             w1 = (w1 + s->ss_h) >> s->ss_h;
             if (s->ss_v) {
                 h1 = (h1 + 1) >> 1;
                 uvmv = ROUNDED_DIV_MVx2(b->mv[0][0], b->mv[2][0]);
-                mc_chroma_dir(s, mc[3 + s->ss_h][b->filter][0],
-                              s->dst[1], s->dst[2], ls_uv,
+                mc_chroma_dir(td, mc[3 + s->ss_h][b->filter][0],
+                              td->dst[1], td->dst[2], ls_uv,
                               ref1->data[1], ref1->linesize[1],
                               ref1->data[2], ref1->linesize[2], tref1,
                               row << 2, col << (3 - s->ss_h),
                               &uvmv,,,,, 8 >> s->ss_h, 4, w1, h1, 0);
             } else {
-                mc_chroma_dir(s, mc[3 + s->ss_h][b->filter][0],
-                              s->dst[1], s->dst[2], ls_uv,
+                mc_chroma_dir(td, mc[3 + s->ss_h][b->filter][0],
+                              td->dst[1], td->dst[2], ls_uv,
                               ref1->data[1], ref1->linesize[1],
                               ref1->data[2], ref1->linesize[2], tref1,
                               row << 3, col << (3 - s->ss_h),
@@ -87,8 +87,8 @@ static void FN(inter_pred)(AVCodecContext *ctx)
                 } else {
                     uvmv = ROUNDED_DIV_MVx2(b->mv[0][0], b->mv[2][0]);
                 }
-                mc_chroma_dir(s, mc[3 + s->ss_h][b->filter][0],
-                              s->dst[1] + 4 * ls_uv, s->dst[2] + 4 * ls_uv, ls_uv,
+                mc_chroma_dir(td, mc[3 + s->ss_h][b->filter][0],
+                              td->dst[1] + 4 * ls_uv, td->dst[2] + 4 * ls_uv, ls_uv,
                               ref1->data[1], ref1->linesize[1],
                               ref1->data[2], ref1->linesize[2], tref1,
                               (row << 3) + 4, col << (3 - s->ss_h),
@@ -96,26 +96,26 @@ static void FN(inter_pred)(AVCodecContext *ctx)
             }
 
             if (b->comp) {
-                mc_luma_dir(s, mc[3][b->filter][1], s->dst[0], ls_y,
+                mc_luma_dir(td, mc[3][b->filter][1], td->dst[0], ls_y,
                             ref2->data[0], ref2->linesize[0], tref2,
                             row << 3, col << 3, &b->mv[0][1],,,,, 8, 4, w2, h2, 1);
-                mc_luma_dir(s, mc[3][b->filter][1],
-                            s->dst[0] + 4 * ls_y, ls_y,
+                mc_luma_dir(td, mc[3][b->filter][1],
+                            td->dst[0] + 4 * ls_y, ls_y,
                             ref2->data[0], ref2->linesize[0], tref2,
                             (row << 3) + 4, col << 3, &b->mv[2][1],,,,, 8, 4, w2, h2, 1);
                 w2 = (w2 + s->ss_h) >> s->ss_h;
                 if (s->ss_v) {
                     h2 = (h2 + 1) >> 1;
                     uvmv = ROUNDED_DIV_MVx2(b->mv[0][1], b->mv[2][1]);
-                    mc_chroma_dir(s, mc[3 + s->ss_h][b->filter][1],
-                                  s->dst[1], s->dst[2], ls_uv,
+                    mc_chroma_dir(td, mc[3 + s->ss_h][b->filter][1],
+                                  td->dst[1], td->dst[2], ls_uv,
                                   ref2->data[1], ref2->linesize[1],
                                   ref2->data[2], ref2->linesize[2], tref2,
                                   row << 2, col << (3 - s->ss_h),
                                   &uvmv,,,,, 8 >> s->ss_h, 4, w2, h2, 1);
                 } else {
-                    mc_chroma_dir(s, mc[3 + s->ss_h][b->filter][1],
-                                  s->dst[1], s->dst[2], ls_uv,
+                    mc_chroma_dir(td, mc[3 + s->ss_h][b->filter][1],
+                                  td->dst[1], td->dst[2], ls_uv,
                                   ref2->data[1], ref2->linesize[1],
                                   ref2->data[2], ref2->linesize[2], tref2,
                                   row << 3, col << (3 - s->ss_h),
@@ -128,8 +128,8 @@ static void FN(inter_pred)(AVCodecContext *ctx)
                     } else {
                         uvmv = ROUNDED_DIV_MVx2(b->mv[0][1], b->mv[2][1]);
                     }
-                    mc_chroma_dir(s, mc[3 + s->ss_h][b->filter][1],
-                                  s->dst[1] + 4 * ls_uv, s->dst[2] + 4 * ls_uv, ls_uv,
+                    mc_chroma_dir(td, mc[3 + s->ss_h][b->filter][1],
+                                  td->dst[1] + 4 * ls_uv, td->dst[2] + 4 * ls_uv, ls_uv,
                                   ref2->data[1], ref2->linesize[1],
                                   ref2->data[2], ref2->linesize[2], tref2,
                                   (row << 3) + 4, col << (3 - s->ss_h),
@@ -137,32 +137,32 @@ static void FN(inter_pred)(AVCodecContext *ctx)
                 }
             }
         } else if (b->bs == BS_4x8) {
-            mc_luma_dir(s, mc[4][b->filter][0], s->dst[0], ls_y,
+            mc_luma_dir(td, mc[4][b->filter][0], td->dst[0], ls_y,
                         ref1->data[0], ref1->linesize[0], tref1,
                         row << 3, col << 3, &b->mv[0][0],,,,, 4, 8, w1, h1, 0);
-            mc_luma_dir(s, mc[4][b->filter][0], s->dst[0] + 4 * bytesperpixel, ls_y,
+            mc_luma_dir(td, mc[4][b->filter][0], td->dst[0] + 4 * bytesperpixel, ls_y,
                         ref1->data[0], ref1->linesize[0], tref1,
                         row << 3, (col << 3) + 4, &b->mv[1][0],,,,, 4, 8, w1, h1, 0);
             h1 = (h1 + s->ss_v) >> s->ss_v;
             if (s->ss_h) {
                 w1 = (w1 + 1) >> 1;
                 uvmv = ROUNDED_DIV_MVx2(b->mv[0][0], b->mv[1][0]);
-                mc_chroma_dir(s, mc[4][b->filter][0],
-                              s->dst[1], s->dst[2], ls_uv,
+                mc_chroma_dir(td, mc[4][b->filter][0],
+                              td->dst[1], td->dst[2], ls_uv,
                               ref1->data[1], ref1->linesize[1],
                               ref1->data[2], ref1->linesize[2], tref1,
                               row << (3 - s->ss_v), col << 2,
                               &uvmv,,,,, 4, 8 >> s->ss_v, w1, h1, 0);
             } else {
-                mc_chroma_dir(s, mc[4][b->filter][0],
-                              s->dst[1], s->dst[2], ls_uv,
+                mc_chroma_dir(td, mc[4][b->filter][0],
+                              td->dst[1], td->dst[2], ls_uv,
                               ref1->data[1], ref1->linesize[1],
                               ref1->data[2], ref1->linesize[2], tref1,
                               row << (3 - s->ss_v), col << 3,
                               &b->mv[0][0],,,,, 4, 8 >> s->ss_v, w1, h1, 0);
-                mc_chroma_dir(s, mc[4][b->filter][0],
-                              s->dst[1] + 4 * bytesperpixel,
-                              s->dst[2] + 4 * bytesperpixel, ls_uv,
+                mc_chroma_dir(td, mc[4][b->filter][0],
+                              td->dst[1] + 4 * bytesperpixel,
+                              td->dst[2] + 4 * bytesperpixel, ls_uv,
                               ref1->data[1], ref1->linesize[1],
                               ref1->data[2], ref1->linesize[2], tref1,
                               row << (3 - s->ss_v), (col << 3) + 4,
@@ -170,32 +170,32 @@ static void FN(inter_pred)(AVCodecContext *ctx)
             }
 
             if (b->comp) {
-                mc_luma_dir(s, mc[4][b->filter][1], s->dst[0], ls_y,
+                mc_luma_dir(td, mc[4][b->filter][1], td->dst[0], ls_y,
                             ref2->data[0], ref2->linesize[0], tref2,
                             row << 3, col << 3, &b->mv[0][1],,,,, 4, 8, w2, h2, 1);
-                mc_luma_dir(s, mc[4][b->filter][1], s->dst[0] + 4 * bytesperpixel, ls_y,
+                mc_luma_dir(td, mc[4][b->filter][1], td->dst[0] + 4 * bytesperpixel, ls_y,
                             ref2->data[0], ref2->linesize[0], tref2,
                             row << 3, (col << 3) + 4, &b->mv[1][1],,,,, 4, 8, w2, h2, 1);
                 h2 = (h2 + s->ss_v) >> s->ss_v;
                 if (s->ss_h) {
                     w2 = (w2 + 1) >> 1;
                     uvmv = ROUNDED_DIV_MVx2(b->mv[0][1], b->mv[1][1]);
-                    mc_chroma_dir(s, mc[4][b->filter][1],
-                                  s->dst[1], s->dst[2], ls_uv,
+                    mc_chroma_dir(td, mc[4][b->filter][1],
+                                  td->dst[1], td->dst[2], ls_uv,
                                   ref2->data[1], ref2->linesize[1],
                                   ref2->data[2], ref2->linesize[2], tref2,
                                   row << (3 - s->ss_v), col << 2,
                                   &uvmv,,,,, 4, 8 >> s->ss_v, w2, h2, 1);
                 } else {
-                    mc_chroma_dir(s, mc[4][b->filter][1],
-                                  s->dst[1], s->dst[2], ls_uv,
+                    mc_chroma_dir(td, mc[4][b->filter][1],
+                                  td->dst[1], td->dst[2], ls_uv,
                                   ref2->data[1], ref2->linesize[1],
                                   ref2->data[2], ref2->linesize[2], tref2,
                                   row << (3 - s->ss_v), col << 3,
                                   &b->mv[0][1],,,,, 4, 8 >> s->ss_v, w2, h2, 1);
-                    mc_chroma_dir(s, mc[4][b->filter][1],
-                                  s->dst[1] + 4 * bytesperpixel,
-                                  s->dst[2] + 4 * bytesperpixel, ls_uv,
+                    mc_chroma_dir(td, mc[4][b->filter][1],
+                                  td->dst[1] + 4 * bytesperpixel,
+                                  td->dst[2] + 4 * bytesperpixel, ls_uv,
                                   ref2->data[1], ref2->linesize[1],
                                   ref2->data[2], ref2->linesize[2], tref2,
                                   row << (3 - s->ss_v), (col << 3) + 4,
@@ -205,25 +205,27 @@ static void FN(inter_pred)(AVCodecContext *ctx)
         } else
 #endif
         {
+#if SCALED == 0
             av_assert2(b->bs == BS_4x4);
+#endif
 
             // FIXME if two horizontally adjacent blocks have the same MV,
             // do a w8 instead of a w4 call
-            mc_luma_dir(s, mc[4][b->filter][0], s->dst[0], ls_y,
+            mc_luma_dir(td, mc[4][b->filter][0], td->dst[0], ls_y,
                         ref1->data[0], ref1->linesize[0], tref1,
                         row << 3, col << 3, &b->mv[0][0],
                         0, 0, 8, 8, 4, 4, w1, h1, 0);
-            mc_luma_dir(s, mc[4][b->filter][0], s->dst[0] + 4 * bytesperpixel, ls_y,
+            mc_luma_dir(td, mc[4][b->filter][0], td->dst[0] + 4 * bytesperpixel, ls_y,
                         ref1->data[0], ref1->linesize[0], tref1,
                         row << 3, (col << 3) + 4, &b->mv[1][0],
                         4, 0, 8, 8, 4, 4, w1, h1, 0);
-            mc_luma_dir(s, mc[4][b->filter][0],
-                        s->dst[0] + 4 * ls_y, ls_y,
+            mc_luma_dir(td, mc[4][b->filter][0],
+                        td->dst[0] + 4 * ls_y, ls_y,
                         ref1->data[0], ref1->linesize[0], tref1,
                         (row << 3) + 4, col << 3, &b->mv[2][0],
                         0, 4, 8, 8, 4, 4, w1, h1, 0);
-            mc_luma_dir(s, mc[4][b->filter][0],
-                        s->dst[0] + 4 * ls_y + 4 * bytesperpixel, ls_y,
+            mc_luma_dir(td, mc[4][b->filter][0],
+                        td->dst[0] + 4 * ls_y + 4 * bytesperpixel, ls_y,
                         ref1->data[0], ref1->linesize[0], tref1,
                         (row << 3) + 4, (col << 3) + 4, &b->mv[3][0],
                         4, 4, 8, 8, 4, 4, w1, h1, 0);
@@ -233,24 +235,24 @@ static void FN(inter_pred)(AVCodecContext *ctx)
                     w1 = (w1 + 1) >> 1;
                     uvmv = ROUNDED_DIV_MVx4(b->mv[0][0], b->mv[1][0],
                                             b->mv[2][0], b->mv[3][0]);
-                    mc_chroma_dir(s, mc[4][b->filter][0],
-                                  s->dst[1], s->dst[2], ls_uv,
+                    mc_chroma_dir(td, mc[4][b->filter][0],
+                                  td->dst[1], td->dst[2], ls_uv,
                                   ref1->data[1], ref1->linesize[1],
                                   ref1->data[2], ref1->linesize[2], tref1,
                                   row << 2, col << 2,
                                   &uvmv, 0, 0, 4, 4, 4, 4, w1, h1, 0);
                 } else {
                     uvmv = ROUNDED_DIV_MVx2(b->mv[0][0], b->mv[2][0]);
-                    mc_chroma_dir(s, mc[4][b->filter][0],
-                                  s->dst[1], s->dst[2], ls_uv,
+                    mc_chroma_dir(td, mc[4][b->filter][0],
+                                  td->dst[1], td->dst[2], ls_uv,
                                   ref1->data[1], ref1->linesize[1],
                                   ref1->data[2], ref1->linesize[2], tref1,
                                   row << 2, col << 3,
                                   &uvmv, 0, 0, 8, 4, 4, 4, w1, h1, 0);
                     uvmv = ROUNDED_DIV_MVx2(b->mv[1][0], b->mv[3][0]);
-                    mc_chroma_dir(s, mc[4][b->filter][0],
-                                  s->dst[1] + 4 * bytesperpixel,
-                                  s->dst[2] + 4 * bytesperpixel, ls_uv,
+                    mc_chroma_dir(td, mc[4][b->filter][0],
+                                  td->dst[1] + 4 * bytesperpixel,
+                                  td->dst[2] + 4 * bytesperpixel, ls_uv,
                                   ref1->data[1], ref1->linesize[1],
                                   ref1->data[2], ref1->linesize[2], tref1,
                                   row << 2, (col << 3) + 4,
@@ -260,8 +262,8 @@ static void FN(inter_pred)(AVCodecContext *ctx)
                 if (s->ss_h) {
                     w1 = (w1 + 1) >> 1;
                     uvmv = ROUNDED_DIV_MVx2(b->mv[0][0], b->mv[1][0]);
-                    mc_chroma_dir(s, mc[4][b->filter][0],
-                                  s->dst[1], s->dst[2], ls_uv,
+                    mc_chroma_dir(td, mc[4][b->filter][0],
+                                  td->dst[1], td->dst[2], ls_uv,
                                   ref1->data[1], ref1->linesize[1],
                                   ref1->data[2], ref1->linesize[2], tref1,
                                   row << 3, col << 2,
@@ -270,35 +272,35 @@ static void FN(inter_pred)(AVCodecContext *ctx)
                     // bottom block
                     // https://code.google.com/p/webm/issues/detail?id=993
                     uvmv = ROUNDED_DIV_MVx2(b->mv[1][0], b->mv[2][0]);
-                    mc_chroma_dir(s, mc[4][b->filter][0],
-                                  s->dst[1] + 4 * ls_uv, s->dst[2] + 4 * ls_uv, ls_uv,
+                    mc_chroma_dir(td, mc[4][b->filter][0],
+                                  td->dst[1] + 4 * ls_uv, td->dst[2] + 4 * ls_uv, ls_uv,
                                   ref1->data[1], ref1->linesize[1],
                                   ref1->data[2], ref1->linesize[2], tref1,
                                   (row << 3) + 4, col << 2,
                                   &uvmv, 0, 4, 4, 8, 4, 4, w1, h1, 0);
                 } else {
-                    mc_chroma_dir(s, mc[4][b->filter][0],
-                                  s->dst[1], s->dst[2], ls_uv,
+                    mc_chroma_dir(td, mc[4][b->filter][0],
+                                  td->dst[1], td->dst[2], ls_uv,
                                   ref1->data[1], ref1->linesize[1],
                                   ref1->data[2], ref1->linesize[2], tref1,
                                   row << 3, col << 3,
                                   &b->mv[0][0], 0, 0, 8, 8, 4, 4, w1, h1, 0);
-                    mc_chroma_dir(s, mc[4][b->filter][0],
-                                  s->dst[1] + 4 * bytesperpixel,
-                                  s->dst[2] + 4 * bytesperpixel, ls_uv,
+                    mc_chroma_dir(td, mc[4][b->filter][0],
+                                  td->dst[1] + 4 * bytesperpixel,
+                                  td->dst[2] + 4 * bytesperpixel, ls_uv,
                                   ref1->data[1], ref1->linesize[1],
                                   ref1->data[2], ref1->linesize[2], tref1,
                                   row << 3, (col << 3) + 4,
                                   &b->mv[1][0], 4, 0, 8, 8, 4, 4, w1, h1, 0);
-                    mc_chroma_dir(s, mc[4][b->filter][0],
-                                  s->dst[1] + 4 * ls_uv, s->dst[2] + 4 * ls_uv, ls_uv,
+                    mc_chroma_dir(td, mc[4][b->filter][0],
+                                  td->dst[1] + 4 * ls_uv, td->dst[2] + 4 * ls_uv, ls_uv,
                                   ref1->data[1], ref1->linesize[1],
                                   ref1->data[2], ref1->linesize[2], tref1,
                                   (row << 3) + 4, col << 3,
                                   &b->mv[2][0], 0, 4, 8, 8, 4, 4, w1, h1, 0);
-                    mc_chroma_dir(s, mc[4][b->filter][0],
-                                  s->dst[1] + 4 * ls_uv + 4 * bytesperpixel,
-                                  s->dst[2] + 4 * ls_uv + 4 * bytesperpixel, ls_uv,
+                    mc_chroma_dir(td, mc[4][b->filter][0],
+                                  td->dst[1] + 4 * ls_uv + 4 * bytesperpixel,
+                                  td->dst[2] + 4 * ls_uv + 4 * bytesperpixel, ls_uv,
                                   ref1->data[1], ref1->linesize[1],
                                   ref1->data[2], ref1->linesize[2], tref1,
                                   (row << 3) + 4, (col << 3) + 4,
@@ -307,18 +309,18 @@ static void FN(inter_pred)(AVCodecContext *ctx)
             }
 
             if (b->comp) {
-                mc_luma_dir(s, mc[4][b->filter][1], s->dst[0], ls_y,
+                mc_luma_dir(td, mc[4][b->filter][1], td->dst[0], ls_y,
                             ref2->data[0], ref2->linesize[0], tref2,
                             row << 3, col << 3, &b->mv[0][1], 0, 0, 8, 8, 4, 4, w2, h2, 1);
-                mc_luma_dir(s, mc[4][b->filter][1], s->dst[0] + 4 * bytesperpixel, ls_y,
+                mc_luma_dir(td, mc[4][b->filter][1], td->dst[0] + 4 * bytesperpixel, ls_y,
                             ref2->data[0], ref2->linesize[0], tref2,
                             row << 3, (col << 3) + 4, &b->mv[1][1], 4, 0, 8, 8, 4, 4, w2, h2, 1);
-                mc_luma_dir(s, mc[4][b->filter][1],
-                            s->dst[0] + 4 * ls_y, ls_y,
+                mc_luma_dir(td, mc[4][b->filter][1],
+                            td->dst[0] + 4 * ls_y, ls_y,
                             ref2->data[0], ref2->linesize[0], tref2,
                             (row << 3) + 4, col << 3, &b->mv[2][1], 0, 4, 8, 8, 4, 4, w2, h2, 1);
-                mc_luma_dir(s, mc[4][b->filter][1],
-                            s->dst[0] + 4 * ls_y + 4 * bytesperpixel, ls_y,
+                mc_luma_dir(td, mc[4][b->filter][1],
+                            td->dst[0] + 4 * ls_y + 4 * bytesperpixel, ls_y,
                             ref2->data[0], ref2->linesize[0], tref2,
                             (row << 3) + 4, (col << 3) + 4, &b->mv[3][1], 4, 4, 8, 8, 4, 4, w2, h2, 1);
                 if (s->ss_v) {
@@ -327,24 +329,24 @@ static void FN(inter_pred)(AVCodecContext *ctx)
                         w2 = (w2 + 1) >> 1;
                         uvmv = ROUNDED_DIV_MVx4(b->mv[0][1], b->mv[1][1],
                                                 b->mv[2][1], b->mv[3][1]);
-                        mc_chroma_dir(s, mc[4][b->filter][1],
-                                      s->dst[1], s->dst[2], ls_uv,
+                        mc_chroma_dir(td, mc[4][b->filter][1],
+                                      td->dst[1], td->dst[2], ls_uv,
                                       ref2->data[1], ref2->linesize[1],
                                       ref2->data[2], ref2->linesize[2], tref2,
                                       row << 2, col << 2,
                                       &uvmv, 0, 0, 4, 4, 4, 4, w2, h2, 1);
                     } else {
                         uvmv = ROUNDED_DIV_MVx2(b->mv[0][1], b->mv[2][1]);
-                        mc_chroma_dir(s, mc[4][b->filter][1],
-                                      s->dst[1], s->dst[2], ls_uv,
+                        mc_chroma_dir(td, mc[4][b->filter][1],
+                                      td->dst[1], td->dst[2], ls_uv,
                                       ref2->data[1], ref2->linesize[1],
                                       ref2->data[2], ref2->linesize[2], tref2,
                                       row << 2, col << 3,
                                       &uvmv, 0, 0, 8, 4, 4, 4, w2, h2, 1);
                         uvmv = ROUNDED_DIV_MVx2(b->mv[1][1], b->mv[3][1]);
-                        mc_chroma_dir(s, mc[4][b->filter][1],
-                                      s->dst[1] + 4 * bytesperpixel,
-                                      s->dst[2] + 4 * bytesperpixel, ls_uv,
+                        mc_chroma_dir(td, mc[4][b->filter][1],
+                                      td->dst[1] + 4 * bytesperpixel,
+                                      td->dst[2] + 4 * bytesperpixel, ls_uv,
                                       ref2->data[1], ref2->linesize[1],
                                       ref2->data[2], ref2->linesize[2], tref2,
                                       row << 2, (col << 3) + 4,
@@ -354,8 +356,8 @@ static void FN(inter_pred)(AVCodecContext *ctx)
                     if (s->ss_h) {
                         w2 = (w2 + 1) >> 1;
                         uvmv = ROUNDED_DIV_MVx2(b->mv[0][1], b->mv[1][1]);
-                        mc_chroma_dir(s, mc[4][b->filter][1],
-                                      s->dst[1], s->dst[2], ls_uv,
+                        mc_chroma_dir(td, mc[4][b->filter][1],
+                                      td->dst[1], td->dst[2], ls_uv,
                                       ref2->data[1], ref2->linesize[1],
                                       ref2->data[2], ref2->linesize[2], tref2,
                                       row << 3, col << 2,
@@ -364,35 +366,35 @@ static void FN(inter_pred)(AVCodecContext *ctx)
                         // bottom block
                         // https://code.google.com/p/webm/issues/detail?id=993
                         uvmv = ROUNDED_DIV_MVx2(b->mv[1][1], b->mv[2][1]);
-                        mc_chroma_dir(s, mc[4][b->filter][1],
-                                      s->dst[1] + 4 * ls_uv, s->dst[2] + 4 * ls_uv, ls_uv,
+                        mc_chroma_dir(td, mc[4][b->filter][1],
+                                      td->dst[1] + 4 * ls_uv, td->dst[2] + 4 * ls_uv, ls_uv,
                                       ref2->data[1], ref2->linesize[1],
                                       ref2->data[2], ref2->linesize[2], tref2,
                                       (row << 3) + 4, col << 2,
                                       &uvmv, 0, 4, 4, 8, 4, 4, w2, h2, 1);
                     } else {
-                        mc_chroma_dir(s, mc[4][b->filter][1],
-                                      s->dst[1], s->dst[2], ls_uv,
+                        mc_chroma_dir(td, mc[4][b->filter][1],
+                                      td->dst[1], td->dst[2], ls_uv,
                                       ref2->data[1], ref2->linesize[1],
                                       ref2->data[2], ref2->linesize[2], tref2,
                                       row << 3, col << 3,
                                       &b->mv[0][1], 0, 0, 8, 8, 4, 4, w2, h2, 1);
-                        mc_chroma_dir(s, mc[4][b->filter][1],
-                                      s->dst[1] + 4 * bytesperpixel,
-                                      s->dst[2] + 4 * bytesperpixel, ls_uv,
+                        mc_chroma_dir(td, mc[4][b->filter][1],
+                                      td->dst[1] + 4 * bytesperpixel,
+                                      td->dst[2] + 4 * bytesperpixel, ls_uv,
                                       ref2->data[1], ref2->linesize[1],
                                       ref2->data[2], ref2->linesize[2], tref2,
                                       row << 3, (col << 3) + 4,
                                       &b->mv[1][1], 4, 0, 8, 8, 4, 4, w2, h2, 1);
-                        mc_chroma_dir(s, mc[4][b->filter][1],
-                                      s->dst[1] + 4 * ls_uv, s->dst[2] + 4 * ls_uv, ls_uv,
+                        mc_chroma_dir(td, mc[4][b->filter][1],
+                                      td->dst[1] + 4 * ls_uv, td->dst[2] + 4 * ls_uv, ls_uv,
                                       ref2->data[1], ref2->linesize[1],
                                       ref2->data[2], ref2->linesize[2], tref2,
                                       (row << 3) + 4, col << 3,
                                       &b->mv[2][1], 0, 4, 8, 8, 4, 4, w2, h2, 1);
-                        mc_chroma_dir(s, mc[4][b->filter][1],
-                                      s->dst[1] + 4 * ls_uv + 4 * bytesperpixel,
-                                      s->dst[2] + 4 * ls_uv + 4 * bytesperpixel, ls_uv,
+                        mc_chroma_dir(td, mc[4][b->filter][1],
+                                      td->dst[1] + 4 * ls_uv + 4 * bytesperpixel,
+                                      td->dst[2] + 4 * ls_uv + 4 * bytesperpixel, ls_uv,
                                       ref2->data[1], ref2->linesize[1],
                                       ref2->data[2], ref2->linesize[2], tref2,
                                       (row << 3) + 4, (col << 3) + 4,
@@ -403,29 +405,31 @@ static void FN(inter_pred)(AVCodecContext *ctx)
         }
     } else {
         int bwl = bwlog_tab[0][b->bs];
-        int bw = bwh_tab[0][b->bs][0] * 4, bh = bwh_tab[0][b->bs][1] * 4;
-        int uvbw = bwh_tab[s->ss_h][b->bs][0] * 4, uvbh = bwh_tab[s->ss_v][b->bs][1] * 4;
+        int bw = ff_vp9_bwh_tab[0][b->bs][0] * 4;
+        int bh = ff_vp9_bwh_tab[0][b->bs][1] * 4;
+        int uvbw = ff_vp9_bwh_tab[s->ss_h][b->bs][0] * 4;
+        int uvbh = ff_vp9_bwh_tab[s->ss_v][b->bs][1] * 4;
 
-        mc_luma_dir(s, mc[bwl][b->filter][0], s->dst[0], ls_y,
+        mc_luma_dir(td, mc[bwl][b->filter][0], td->dst[0], ls_y,
                     ref1->data[0], ref1->linesize[0], tref1,
                     row << 3, col << 3, &b->mv[0][0], 0, 0, bw, bh, bw, bh, w1, h1, 0);
         w1 = (w1 + s->ss_h) >> s->ss_h;
         h1 = (h1 + s->ss_v) >> s->ss_v;
-        mc_chroma_dir(s, mc[bwl + s->ss_h][b->filter][0],
-                      s->dst[1], s->dst[2], ls_uv,
+        mc_chroma_dir(td, mc[bwl + s->ss_h][b->filter][0],
+                      td->dst[1], td->dst[2], ls_uv,
                       ref1->data[1], ref1->linesize[1],
                       ref1->data[2], ref1->linesize[2], tref1,
                       row << (3 - s->ss_v), col << (3 - s->ss_h),
                       &b->mv[0][0], 0, 0, uvbw, uvbh, uvbw, uvbh, w1, h1, 0);
 
         if (b->comp) {
-            mc_luma_dir(s, mc[bwl][b->filter][1], s->dst[0], ls_y,
+            mc_luma_dir(td, mc[bwl][b->filter][1], td->dst[0], ls_y,
                         ref2->data[0], ref2->linesize[0], tref2,
                         row << 3, col << 3, &b->mv[0][1], 0, 0, bw, bh, bw, bh, w2, h2, 1);
             w2 = (w2 + s->ss_h) >> s->ss_h;
             h2 = (h2 + s->ss_v) >> s->ss_v;
-            mc_chroma_dir(s, mc[bwl + s->ss_h][b->filter][1],
-                          s->dst[1], s->dst[2], ls_uv,
+            mc_chroma_dir(td, mc[bwl + s->ss_h][b->filter][1],
+                          td->dst[1], td->dst[2], ls_uv,
                           ref2->data[1], ref2->linesize[1],
                           ref2->data[2], ref2->linesize[2], tref2,
                           row << (3 - s->ss_v), col << (3 - s->ss_h),
diff --git a/media/ffvpx/libavcodec/vp9block.c b/media/ffvpx/libavcodec/vp9block.c
new file mode 100644
index 000000000..1c3f7a722
--- /dev/null
+++ b/media/ffvpx/libavcodec/vp9block.c
@@ -0,0 +1,1449 @@
+/*
+ * VP9 compatible video decoder
+ *
+ * Copyright (C) 2013 Ronald S. Bultje <rsbultje gmail com>
+ * Copyright (C) 2013 Clément Bœsch <u pkh me>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "libavutil/avassert.h"
+
+#include "avcodec.h"
+#include "internal.h"
+#include "videodsp.h"
+#include "vp56.h"
+#include "vp9.h"
+#include "vp9data.h"
+#include "vp9dec.h"
+
+static av_always_inline void setctx_2d(uint8_t *ptr, int w, int h,
+                                       ptrdiff_t stride, int v)
+{
+    switch (w) {
+    case 1:
+        do {
+            *ptr = v;
+            ptr += stride;
+        } while (--h);
+        break;
+    case 2: {
+        int v16 = v * 0x0101;
+        do {
+            AV_WN16A(ptr, v16);
+            ptr += stride;
+        } while (--h);
+        break;
+    }
+    case 4: {
+        uint32_t v32 = v * 0x01010101;
+        do {
+            AV_WN32A(ptr, v32);
+            ptr += stride;
+        } while (--h);
+        break;
+    }
+    case 8: {
+#if HAVE_FAST_64BIT
+        uint64_t v64 = v * 0x0101010101010101ULL;
+        do {
+            AV_WN64A(ptr, v64);
+            ptr += stride;
+        } while (--h);
+#else
+        uint32_t v32 = v * 0x01010101;
+        do {
+            AV_WN32A(ptr,     v32);
+            AV_WN32A(ptr + 4, v32);
+            ptr += stride;
+        } while (--h);
+#endif
+        break;
+    }
+    }
+}
+
+static void decode_mode(VP9TileData *td)
+{
+    static const uint8_t left_ctx[N_BS_SIZES] = {
+        0x0, 0x8, 0x0, 0x8, 0xc, 0x8, 0xc, 0xe, 0xc, 0xe, 0xf, 0xe, 0xf
+    };
+    static const uint8_t above_ctx[N_BS_SIZES] = {
+        0x0, 0x0, 0x8, 0x8, 0x8, 0xc, 0xc, 0xc, 0xe, 0xe, 0xe, 0xf, 0xf
+    };
+    static const uint8_t max_tx_for_bl_bp[N_BS_SIZES] = {
+        TX_32X32, TX_32X32, TX_32X32, TX_32X32, TX_16X16, TX_16X16,
+        TX_16X16, TX_8X8,   TX_8X8,   TX_8X8,   TX_4X4,   TX_4X4,  TX_4X4
+    };
+    VP9Context *s = td->s;
+    VP9Block *b = td->b;
+    int row = td->row, col = td->col, row7 = td->row7;
+    enum TxfmMode max_tx = max_tx_for_bl_bp[b->bs];
+    int bw4 = ff_vp9_bwh_tab[1][b->bs][0], w4 = FFMIN(s->cols - col, bw4);
+    int bh4 = ff_vp9_bwh_tab[1][b->bs][1], h4 = FFMIN(s->rows - row, bh4), y;
+    int have_a = row > 0, have_l = col > td->tile_col_start;
+    int vref, filter_id;
+
+    if (!s->s.h.segmentation.enabled) {
+        b->seg_id = 0;
+    } else if (s->s.h.keyframe || s->s.h.intraonly) {
+        b->seg_id = !s->s.h.segmentation.update_map ? 0 :
+                    vp8_rac_get_tree(td->c, ff_vp9_segmentation_tree, s->s.h.segmentation.prob);
+    } else if (!s->s.h.segmentation.update_map ||
+               (s->s.h.segmentation.temporal &&
+                vp56_rac_get_prob_branchy(td->c,
+                    s->s.h.segmentation.pred_prob[s->above_segpred_ctx[col] +
+                                    td->left_segpred_ctx[row7]]))) {
+        if (!s->s.h.errorres && s->s.frames[REF_FRAME_SEGMAP].segmentation_map) {
+            int pred = 8, x;
+            uint8_t *refsegmap = s->s.frames[REF_FRAME_SEGMAP].segmentation_map;
+
+            if (!s->s.frames[REF_FRAME_SEGMAP].uses_2pass)
+                ff_thread_await_progress(&s->s.frames[REF_FRAME_SEGMAP].tf, row >> 3, 0);
+            for (y = 0; y < h4; y++) {
+                int idx_base = (y + row) * 8 * s->sb_cols + col;
+                for (x = 0; x < w4; x++)
+                    pred = FFMIN(pred, refsegmap[idx_base + x]);
+            }
+            av_assert1(pred < 8);
+            b->seg_id = pred;
+        } else {
+            b->seg_id = 0;
+        }
+
+        memset(&s->above_segpred_ctx[col], 1, w4);
+        memset(&td->left_segpred_ctx[row7], 1, h4);
+    } else {
+        b->seg_id = vp8_rac_get_tree(td->c, ff_vp9_segmentation_tree,
+                                     s->s.h.segmentation.prob);
+
+        memset(&s->above_segpred_ctx[col], 0, w4);
+        memset(&td->left_segpred_ctx[row7], 0, h4);
+    }
+    if (s->s.h.segmentation.enabled &&
+        (s->s.h.segmentation.update_map || s->s.h.keyframe || s->s.h.intraonly)) {
+        setctx_2d(&s->s.frames[CUR_FRAME].segmentation_map[row * 8 * s->sb_cols + col],
+                  bw4, bh4, 8 * s->sb_cols, b->seg_id);
+    }
+
+    b->skip = s->s.h.segmentation.enabled &&
+        s->s.h.segmentation.feat[b->seg_id].skip_enabled;
+    if (!b->skip) {
+        int c = td->left_skip_ctx[row7] + s->above_skip_ctx[col];
+        b->skip = vp56_rac_get_prob(td->c, s->prob.p.skip[c]);
+        td->counts.skip[c][b->skip]++;
+    }
+
+    if (s->s.h.keyframe || s->s.h.intraonly) {
+        b->intra = 1;
+    } else if (s->s.h.segmentation.enabled && s->s.h.segmentation.feat[b->seg_id].ref_enabled) {
+        b->intra = !s->s.h.segmentation.feat[b->seg_id].ref_val;
+    } else {
+        int c, bit;
+
+        if (have_a && have_l) {
+            c = s->above_intra_ctx[col] + td->left_intra_ctx[row7];
+            c += (c == 2);
+        } else {
+            c = have_a ? 2 * s->above_intra_ctx[col] :
+                have_l ? 2 * td->left_intra_ctx[row7] : 0;
+        }
+        bit = vp56_rac_get_prob(td->c, s->prob.p.intra[c]);
+        td->counts.intra[c][bit]++;
+        b->intra = !bit;
+    }
+
+    if ((b->intra || !b->skip) && s->s.h.txfmmode == TX_SWITCHABLE) {
+        int c;
+        if (have_a) {
+            if (have_l) {
+                c = (s->above_skip_ctx[col] ? max_tx :
+                     s->above_txfm_ctx[col]) +
+                    (td->left_skip_ctx[row7] ? max_tx :
+                     td->left_txfm_ctx[row7]) > max_tx;
+            } else {
+                c = s->above_skip_ctx[col] ? 1 :
+                    (s->above_txfm_ctx[col] * 2 > max_tx);
+            }
+        } else if (have_l) {
+            c = td->left_skip_ctx[row7] ? 1 :
+                (td->left_txfm_ctx[row7] * 2 > max_tx);
+        } else {
+            c = 1;
+        }
+        switch (max_tx) {
+        case TX_32X32:
+            b->tx = vp56_rac_get_prob(td->c, s->prob.p.tx32p[c][0]);
+            if (b->tx) {
+                b->tx += vp56_rac_get_prob(td->c, s->prob.p.tx32p[c][1]);
+                if (b->tx == 2)
+                    b->tx += vp56_rac_get_prob(td->c, s->prob.p.tx32p[c][2]);
+            }
+            td->counts.tx32p[c][b->tx]++;
+            break;
+        case TX_16X16:
+            b->tx = vp56_rac_get_prob(td->c, s->prob.p.tx16p[c][0]);
+            if (b->tx)
+                b->tx += vp56_rac_get_prob(td->c, s->prob.p.tx16p[c][1]);
+            td->counts.tx16p[c][b->tx]++;
+            break;
+        case TX_8X8:
+            b->tx = vp56_rac_get_prob(td->c, s->prob.p.tx8p[c]);
+            td->counts.tx8p[c][b->tx]++;
+            break;
+        case TX_4X4:
+            b->tx = TX_4X4;
+            break;
+        }
+    } else {
+        b->tx = FFMIN(max_tx, s->s.h.txfmmode);
+    }
+
+    if (s->s.h.keyframe || s->s.h.intraonly) {
+        uint8_t *a = &s->above_mode_ctx[col * 2];
+        uint8_t *l = &td->left_mode_ctx[(row7) << 1];
+
+        b->comp = 0;
+        if (b->bs > BS_8x8) {
+            // FIXME the memory storage intermediates here aren't really
+            // necessary, they're just there to make the code slightly
+            // simpler for now
+            b->mode[0] =
+            a[0]       = vp8_rac_get_tree(td->c, ff_vp9_intramode_tree,
+                                          ff_vp9_default_kf_ymode_probs[a[0]][l[0]]);
+            if (b->bs != BS_8x4) {
+                b->mode[1] = vp8_rac_get_tree(td->c, ff_vp9_intramode_tree,
+                                              ff_vp9_default_kf_ymode_probs[a[1]][b->mode[0]]);
+                l[0]       =
+                a[1]       = b->mode[1];
+            } else {
+                l[0]       =
+                a[1]       =
+                b->mode[1] = b->mode[0];
+            }
+            if (b->bs != BS_4x8) {
+                b->mode[2] =
+                a[0]       = vp8_rac_get_tree(td->c, ff_vp9_intramode_tree,
+                                              ff_vp9_default_kf_ymode_probs[a[0]][l[1]]);
+                if (b->bs != BS_8x4) {
+                    b->mode[3] = vp8_rac_get_tree(td->c, ff_vp9_intramode_tree,
+                                                  ff_vp9_default_kf_ymode_probs[a[1]][b->mode[2]]);
+                    l[1]       =
+                    a[1]       = b->mode[3];
+                } else {
+                    l[1]       =
+                    a[1]       =
+                    b->mode[3] = b->mode[2];
+                }
+            } else {
+                b->mode[2] = b->mode[0];
+                l[1]       =
+                a[1]       =
+                b->mode[3] = b->mode[1];
+            }
+        } else {
+            b->mode[0] = vp8_rac_get_tree(td->c, ff_vp9_intramode_tree,
+                                          ff_vp9_default_kf_ymode_probs[*a][*l]);
+            b->mode[3] =
+            b->mode[2] =
+            b->mode[1] = b->mode[0];
+            // FIXME this can probably be optimized
+            memset(a, b->mode[0], ff_vp9_bwh_tab[0][b->bs][0]);
+            memset(l, b->mode[0], ff_vp9_bwh_tab[0][b->bs][1]);
+        }
+        b->uvmode = vp8_rac_get_tree(td->c, ff_vp9_intramode_tree,
+                                     ff_vp9_default_kf_uvmode_probs[b->mode[3]]);
+    } else if (b->intra) {
+        b->comp = 0;
+        if (b->bs > BS_8x8) {
+            b->mode[0] = vp8_rac_get_tree(td->c, ff_vp9_intramode_tree,
+                                          s->prob.p.y_mode[0]);
+            td->counts.y_mode[0][b->mode[0]]++;
+            if (b->bs != BS_8x4) {
+                b->mode[1] = vp8_rac_get_tree(td->c, ff_vp9_intramode_tree,
+                                              s->prob.p.y_mode[0]);
+                td->counts.y_mode[0][b->mode[1]]++;
+            } else {
+                b->mode[1] = b->mode[0];
+            }
+            if (b->bs != BS_4x8) {
+                b->mode[2] = vp8_rac_get_tree(td->c, ff_vp9_intramode_tree,
+                                              s->prob.p.y_mode[0]);
+                td->counts.y_mode[0][b->mode[2]]++;
+                if (b->bs != BS_8x4) {
+                    b->mode[3] = vp8_rac_get_tree(td->c, ff_vp9_intramode_tree,
+                                                  s->prob.p.y_mode[0]);
+                    td->counts.y_mode[0][b->mode[3]]++;
+                } else {
+                    b->mode[3] = b->mode[2];
+                }
+            } else {
+                b->mode[2] = b->mode[0];
+                b->mode[3] = b->mode[1];
+            }
+        } else {
+            static const uint8_t size_group[10] = {
+                3, 3, 3, 3, 2, 2, 2, 1, 1, 1
+            };
+            int sz = size_group[b->bs];
+
+            b->mode[0] = vp8_rac_get_tree(td->c, ff_vp9_intramode_tree,
+                                          s->prob.p.y_mode[sz]);
+            b->mode[1] =
+            b->mode[2] =
+            b->mode[3] = b->mode[0];
+            td->counts.y_mode[sz][b->mode[3]]++;
+        }
+        b->uvmode = vp8_rac_get_tree(td->c, ff_vp9_intramode_tree,
+                                     s->prob.p.uv_mode[b->mode[3]]);
+        td->counts.uv_mode[b->mode[3]][b->uvmode]++;
+    } else {
+        static const uint8_t inter_mode_ctx_lut[14][14] = {
+            { 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5 },
+            { 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5 },
+            { 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5 },
+            { 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5 },
+            { 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5 },
+            { 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5 },
+            { 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5 },
+            { 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5 },
+            { 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5 },
+            { 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5 },
+            { 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 1, 3 },
+            { 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 1, 3 },
+            { 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 0, 3 },
+            { 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 4 },
+        };
+
+        if (s->s.h.segmentation.enabled && s->s.h.segmentation.feat[b->seg_id].ref_enabled) {
+            av_assert2(s->s.h.segmentation.feat[b->seg_id].ref_val != 0);
+            b->comp = 0;
+            b->ref[0] = s->s.h.segmentation.feat[b->seg_id].ref_val - 1;
+        } else {
+            // read comp_pred flag
+            if (s->s.h.comppredmode != PRED_SWITCHABLE) {
+                b->comp = s->s.h.comppredmode == PRED_COMPREF;
+            } else {
+                int c;
+
+                // FIXME add intra as ref=0xff (or -1) to make these easier?
+                if (have_a) {
+                    if (have_l) {
+                        if (s->above_comp_ctx[col] && td->left_comp_ctx[row7]) {
+                            c = 4;
+                        } else if (s->above_comp_ctx[col]) {
+                            c = 2 + (td->left_intra_ctx[row7] ||
+                                     td->left_ref_ctx[row7] == s->s.h.fixcompref);
+                        } else if (td->left_comp_ctx[row7]) {
+                            c = 2 + (s->above_intra_ctx[col] ||
+                                     s->above_ref_ctx[col] == s->s.h.fixcompref);
+                        } else {
+                            c = (!s->above_intra_ctx[col] &&
+                                 s->above_ref_ctx[col] == s->s.h.fixcompref) ^
+                                (!td->left_intra_ctx[row7] &&
+                                 td->left_ref_ctx[row & 7] == s->s.h.fixcompref);
+                        }
+                    } else {
+                        c = s->above_comp_ctx[col] ? 3 :
+                        (!s->above_intra_ctx[col] && s->above_ref_ctx[col] == s->s.h.fixcompref);
+                    }
+                } else if (have_l) {
+                    c = td->left_comp_ctx[row7] ? 3 :
+                    (!td->left_intra_ctx[row7] && td->left_ref_ctx[row7] == s->s.h.fixcompref);
+                } else {
+                    c = 1;
+                }
+                b->comp = vp56_rac_get_prob(td->c, s->prob.p.comp[c]);
+                td->counts.comp[c][b->comp]++;
+            }
+
+            // read actual references
+            // FIXME probably cache a few variables here to prevent repetitive
+            // memory accesses below
+            if (b->comp) { /* two references */
+                int fix_idx = s->s.h.signbias[s->s.h.fixcompref], var_idx = !fix_idx, c, bit;
+
+                b->ref[fix_idx] = s->s.h.fixcompref;
+                // FIXME can this codeblob be replaced by some sort of LUT?
+                if (have_a) {
+                    if (have_l) {
+                        if (s->above_intra_ctx[col]) {
+                            if (td->left_intra_ctx[row7]) {
+                                c = 2;
+                            } else {
+                                c = 1 + 2 * (td->left_ref_ctx[row7] != s->s.h.varcompref[1]);
+                            }
+                        } else if (td->left_intra_ctx[row7]) {
+                            c = 1 + 2 * (s->above_ref_ctx[col] != s->s.h.varcompref[1]);
+                        } else {
+                            int refl = td->left_ref_ctx[row7], refa = s->above_ref_ctx[col];
+
+                            if (refl == refa && refa == s->s.h.varcompref[1]) {
+                                c = 0;
+                            } else if (!td->left_comp_ctx[row7] && !s->above_comp_ctx[col]) {
+                                if ((refa == s->s.h.fixcompref && refl == s->s.h.varcompref[0]) ||
+                                    (refl == s->s.h.fixcompref && refa == s->s.h.varcompref[0])) {
+                                    c = 4;
+                                } else {
+                                    c = (refa == refl) ? 3 : 1;
+                                }
+                            } else if (!td->left_comp_ctx[row7]) {
+                                if (refa == s->s.h.varcompref[1] && refl != s->s.h.varcompref[1]) {
+                                    c = 1;
+                                } else {
+                                    c = (refl == s->s.h.varcompref[1] &&
+                                         refa != s->s.h.varcompref[1]) ? 2 : 4;
+                                }
+                            } else if (!s->above_comp_ctx[col]) {
+                                if (refl == s->s.h.varcompref[1] && refa != s->s.h.varcompref[1]) {
+                                    c = 1;
+                                } else {
+                                    c = (refa == s->s.h.varcompref[1] &&
+                                         refl != s->s.h.varcompref[1]) ? 2 : 4;
+                                }
+                            } else {
+                                c = (refl == refa) ? 4 : 2;
+                            }
+                        }
+                    } else {
+                        if (s->above_intra_ctx[col]) {
+                            c = 2;
+                        } else if (s->above_comp_ctx[col]) {
+                            c = 4 * (s->above_ref_ctx[col] != s->s.h.varcompref[1]);
+                        } else {
+                            c = 3 * (s->above_ref_ctx[col] != s->s.h.varcompref[1]);
+                        }
+                    }
+                } else if (have_l) {
+                    if (td->left_intra_ctx[row7]) {
+                        c = 2;
+                    } else if (td->left_comp_ctx[row7]) {
+                        c = 4 * (td->left_ref_ctx[row7] != s->s.h.varcompref[1]);
+                    } else {
+                        c = 3 * (td->left_ref_ctx[row7] != s->s.h.varcompref[1]);
+                    }
+                } else {
+                    c = 2;
+                }
+                bit = vp56_rac_get_prob(td->c, s->prob.p.comp_ref[c]);
+                b->ref[var_idx] = s->s.h.varcompref[bit];
+                td->counts.comp_ref[c][bit]++;
+            } else /* single reference */ {
+                int bit, c;
+
+                if (have_a && !s->above_intra_ctx[col]) {
+                    if (have_l && !td->left_intra_ctx[row7]) {
+                        if (td->left_comp_ctx[row7]) {
+                            if (s->above_comp_ctx[col]) {
+                                c = 1 + (!s->s.h.fixcompref || !td->left_ref_ctx[row7] ||
+                                         !s->above_ref_ctx[col]);
+                            } else {
+                                c = (3 * !s->above_ref_ctx[col]) +
+                                    (!s->s.h.fixcompref || !td->left_ref_ctx[row7]);
+                            }
+                        } else if (s->above_comp_ctx[col]) {
+                            c = (3 * !td->left_ref_ctx[row7]) +
+                                (!s->s.h.fixcompref || !s->above_ref_ctx[col]);
+                        } else {
+                            c = 2 * !td->left_ref_ctx[row7] + 2 * !s->above_ref_ctx[col];
+                        }
+                    } else if (s->above_intra_ctx[col]) {
+                        c = 2;
+                    } else if (s->above_comp_ctx[col]) {
+                        c = 1 + (!s->s.h.fixcompref || !s->above_ref_ctx[col]);
+                    } else {
+                        c = 4 * (!s->above_ref_ctx[col]);
+                    }
+                } else if (have_l && !td->left_intra_ctx[row7]) {
+                    if (td->left_intra_ctx[row7]) {
+                        c = 2;
+                    } else if (td->left_comp_ctx[row7]) {
+                        c = 1 + (!s->s.h.fixcompref || !td->left_ref_ctx[row7]);
+                    } else {
+                        c = 4 * (!td->left_ref_ctx[row7]);
+                    }
+                } else {
+                    c = 2;
+                }
+                bit = vp56_rac_get_prob(td->c, s->prob.p.single_ref[c][0]);
+                td->counts.single_ref[c][0][bit]++;
+                if (!bit) {
+                    b->ref[0] = 0;
+                } else {
+                    // FIXME can this codeblob be replaced by some sort of LUT?
+                    if (have_a) {
+                        if (have_l) {
+                            if (td->left_intra_ctx[row7]) {
+                                if (s->above_intra_ctx[col]) {
+                                    c = 2;
+                                } else if (s->above_comp_ctx[col]) {
+                                    c = 1 + 2 * (s->s.h.fixcompref == 1 ||
+                                                 s->above_ref_ctx[col] == 1);
+                                } else if (!s->above_ref_ctx[col]) {
+                                    c = 3;
+                                } else {
+                                    c = 4 * (s->above_ref_ctx[col] == 1);
+                                }
+                            } else if (s->above_intra_ctx[col]) {
+                                if (td->left_intra_ctx[row7]) {
+                                    c = 2;
+                                } else if (td->left_comp_ctx[row7]) {
+                                    c = 1 + 2 * (s->s.h.fixcompref == 1 ||
+                                                 td->left_ref_ctx[row7] == 1);
+                                } else if (!td->left_ref_ctx[row7]) {
+                                    c = 3;
+                                } else {
+                                    c = 4 * (td->left_ref_ctx[row7] == 1);
+                                }
+                            } else if (s->above_comp_ctx[col]) {
+                                if (td->left_comp_ctx[row7]) {
+                                    if (td->left_ref_ctx[row7] == s->above_ref_ctx[col]) {
+                                        c = 3 * (s->s.h.fixcompref == 1 ||
+                                                 td->left_ref_ctx[row7] == 1);
+                                    } else {
+                                        c = 2;
+                                    }
+                                } else if (!td->left_ref_ctx[row7]) {
+                                    c = 1 + 2 * (s->s.h.fixcompref == 1 ||
+                                                 s->above_ref_ctx[col] == 1);
+                                } else {
+                                    c = 3 * (td->left_ref_ctx[row7] == 1) +
+                                    (s->s.h.fixcompref == 1 || s->above_ref_ctx[col] == 1);
+                                }
+                            } else if (td->left_comp_ctx[row7]) {
+                                if (!s->above_ref_ctx[col]) {
+                                    c = 1 + 2 * (s->s.h.fixcompref == 1 ||
+                                                 td->left_ref_ctx[row7] == 1);
+                                } else {
+                                    c = 3 * (s->above_ref_ctx[col] == 1) +
+                                    (s->s.h.fixcompref == 1 || td->left_ref_ctx[row7] == 1);
+                                }
+                            } else if (!s->above_ref_ctx[col]) {
+                                if (!td->left_ref_ctx[row7]) {
+                                    c = 3;
+                                } else {
+                                    c = 4 * (td->left_ref_ctx[row7] == 1);
+                                }
+                            } else if (!td->left_ref_ctx[row7]) {
+                                c = 4 * (s->above_ref_ctx[col] == 1);
+                            } else {
+                                c = 2 * (td->left_ref_ctx[row7] == 1) +
+                                    2 * (s->above_ref_ctx[col] == 1);
+                            }
+                        } else {
+                            if (s->above_intra_ctx[col] ||
+                                (!s->above_comp_ctx[col] && !s->above_ref_ctx[col])) {
+                                c = 2;
+                            } else if (s->above_comp_ctx[col]) {
+                                c = 3 * (s->s.h.fixcompref == 1 || s->above_ref_ctx[col] == 1);
+                            } else {
+                                c = 4 * (s->above_ref_ctx[col] == 1);
+                            }
+                        }
+                    } else if (have_l) {
+                        if (td->left_intra_ctx[row7] ||
+                            (!td->left_comp_ctx[row7] && !td->left_ref_ctx[row7])) {
+                            c = 2;
+                        } else if (td->left_comp_ctx[row7]) {
+                            c = 3 * (s->s.h.fixcompref == 1 || td->left_ref_ctx[row7] == 1);
+                        } else {
+                            c = 4 * (td->left_ref_ctx[row7] == 1);
+                        }
+                    } else {
+                        c = 2;
+                    }
+                    bit = vp56_rac_get_prob(td->c, s->prob.p.single_ref[c][1]);
+                    td->counts.single_ref[c][1][bit]++;
+                    b->ref[0] = 1 + bit;
+                }
+            }
+        }
+
+        if (b->bs <= BS_8x8) {
+            if (s->s.h.segmentation.enabled && s->s.h.segmentation.feat[b->seg_id].skip_enabled) {
+                b->mode[0] =
+                b->mode[1] =
+                b->mode[2] =
+                b->mode[3] = ZEROMV;
+            } else {
+                static const uint8_t off[10] = {
+                    3, 0, 0, 1, 0, 0, 0, 0, 0, 0
+                };
+
+                // FIXME this needs to use the LUT tables from find_ref_mvs
+                // because not all are -1,0/0,-1
+                int c = inter_mode_ctx_lut[s->above_mode_ctx[col + off[b->bs]]]
+                                          [td->left_mode_ctx[row7 + off[b->bs]]];
+
+                b->mode[0] = vp8_rac_get_tree(td->c, ff_vp9_inter_mode_tree,
+                                              s->prob.p.mv_mode[c]);
+                b->mode[1] =
+                b->mode[2] =
+                b->mode[3] = b->mode[0];
+                td->counts.mv_mode[c][b->mode[0] - 10]++;
+            }
+        }
+
+        if (s->s.h.filtermode == FILTER_SWITCHABLE) {
+            int c;
+
+            if (have_a && s->above_mode_ctx[col] >= NEARESTMV) {
+                if (have_l && td->left_mode_ctx[row7] >= NEARESTMV) {
+                    c = s->above_filter_ctx[col] == td->left_filter_ctx[row7] ?
+                        td->left_filter_ctx[row7] : 3;
+                } else {
+                    c = s->above_filter_ctx[col];
+                }
+            } else if (have_l && td->left_mode_ctx[row7] >= NEARESTMV) {
+                c = td->left_filter_ctx[row7];
+            } else {
+                c = 3;
+            }
+
+            filter_id = vp8_rac_get_tree(td->c, ff_vp9_filter_tree,
+                                         s->prob.p.filter[c]);
+            td->counts.filter[c][filter_id]++;
+            b->filter = ff_vp9_filter_lut[filter_id];
+        } else {
+            b->filter = s->s.h.filtermode;
+        }
+
+        if (b->bs > BS_8x8) {
+            int c = inter_mode_ctx_lut[s->above_mode_ctx[col]][td->left_mode_ctx[row7]];
+
+            b->mode[0] = vp8_rac_get_tree(td->c, ff_vp9_inter_mode_tree,
+                                          s->prob.p.mv_mode[c]);
+            td->counts.mv_mode[c][b->mode[0] - 10]++;
+            ff_vp9_fill_mv(td, b->mv[0], b->mode[0], 0);
+
+            if (b->bs != BS_8x4) {
+                b->mode[1] = vp8_rac_get_tree(td->c, ff_vp9_inter_mode_tree,
+                                              s->prob.p.mv_mode[c]);
+                td->counts.mv_mode[c][b->mode[1] - 10]++;
+                ff_vp9_fill_mv(td, b->mv[1], b->mode[1], 1);
+            } else {
+                b->mode[1] = b->mode[0];
+                AV_COPY32(&b->mv[1][0], &b->mv[0][0]);
+                AV_COPY32(&b->mv[1][1], &b->mv[0][1]);
+            }
+
+            if (b->bs != BS_4x8) {
+                b->mode[2] = vp8_rac_get_tree(td->c, ff_vp9_inter_mode_tree,
+                                              s->prob.p.mv_mode[c]);
+                td->counts.mv_mode[c][b->mode[2] - 10]++;
+                ff_vp9_fill_mv(td, b->mv[2], b->mode[2], 2);
+
+                if (b->bs != BS_8x4) {
+                    b->mode[3] = vp8_rac_get_tree(td->c, ff_vp9_inter_mode_tree,
+                                                  s->prob.p.mv_mode[c]);
+                    td->counts.mv_mode[c][b->mode[3] - 10]++;
+                    ff_vp9_fill_mv(td, b->mv[3], b->mode[3], 3);
+                } else {
+                    b->mode[3] = b->mode[2];
+                    AV_COPY32(&b->mv[3][0], &b->mv[2][0]);
+                    AV_COPY32(&b->mv[3][1], &b->mv[2][1]);
+                }
+            } else {
+                b->mode[2] = b->mode[0];
+                AV_COPY32(&b->mv[2][0], &b->mv[0][0]);
+                AV_COPY32(&b->mv[2][1], &b->mv[0][1]);
+                b->mode[3] = b->mode[1];
+                AV_COPY32(&b->mv[3][0], &b->mv[1][0]);
+                AV_COPY32(&b->mv[3][1], &b->mv[1][1]);
+            }
+        } else {
+            ff_vp9_fill_mv(td, b->mv[0], b->mode[0], -1);
+            AV_COPY32(&b->mv[1][0], &b->mv[0][0]);
+            AV_COPY32(&b->mv[2][0], &b->mv[0][0]);
+            AV_COPY32(&b->mv[3][0], &b->mv[0][0]);
+            AV_COPY32(&b->mv[1][1], &b->mv[0][1]);
+            AV_COPY32(&b->mv[2][1], &b->mv[0][1]);
+            AV_COPY32(&b->mv[3][1], &b->mv[0][1]);
+        }
+
+        vref = b->ref[b->comp ? s->s.h.signbias[s->s.h.varcompref[0]] : 0];
+    }
+
+#if HAVE_FAST_64BIT
+#define SPLAT_CTX(var, val, n) \
+    switch (n) { \
+    case 1:  var = val;                                    break; \
+    case 2:  AV_WN16A(&var, val *             0x0101);     break; \
+    case 4:  AV_WN32A(&var, val *         0x01010101);     break; \
+    case 8:  AV_WN64A(&var, val * 0x0101010101010101ULL);  break; \
+    case 16: { \
+        uint64_t v64 = val * 0x0101010101010101ULL; \
+        AV_WN64A(              &var,     v64); \
+        AV_WN64A(&((uint8_t *) &var)[8], v64); \
+        break; \
+    } \
+    }
+#else
+#define SPLAT_CTX(var, val, n) \
+    switch (n) { \
+    case 1:  var = val;                         break; \
+    case 2:  AV_WN16A(&var, val *     0x0101);  break; \
+    case 4:  AV_WN32A(&var, val * 0x01010101);  break; \
+    case 8: { \
+        uint32_t v32 = val * 0x01010101; \
+        AV_WN32A(              &var,     v32); \
+        AV_WN32A(&((uint8_t *) &var)[4], v32); \
+        break; \
+    } \
+    case 16: { \
+        uint32_t v32 = val * 0x01010101; \
+        AV_WN32A(              &var,      v32); \
+        AV_WN32A(&((uint8_t *) &var)[4],  v32); \
+        AV_WN32A(&((uint8_t *) &var)[8],  v32); \
+        AV_WN32A(&((uint8_t *) &var)[12], v32); \
+        break; \
+    } \
+    }
+#endif
+
+    switch (ff_vp9_bwh_tab[1][b->bs][0]) {
+#define SET_CTXS(perf, dir, off, n) \
+    do { \
+        SPLAT_CTX(perf->dir##_skip_ctx[off],      b->skip,          n); \
+        SPLAT_CTX(perf->dir##_txfm_ctx[off],      b->tx,            n); \
+        SPLAT_CTX(perf->dir##_partition_ctx[off], dir##_ctx[b->bs], n); \
+        if (!s->s.h.keyframe && !s->s.h.intraonly) { \
+            SPLAT_CTX(perf->dir##_intra_ctx[off], b->intra,   n); \
+            SPLAT_CTX(perf->dir##_comp_ctx[off],  b->comp,    n); \
+            SPLAT_CTX(perf->dir##_mode_ctx[off],  b->mode[3], n); \
+            if (!b->intra) { \
+                SPLAT_CTX(perf->dir##_ref_ctx[off], vref, n); \
+                if (s->s.h.filtermode == FILTER_SWITCHABLE) { \
+                    SPLAT_CTX(perf->dir##_filter_ctx[off], filter_id, n); \
+                } \
+            } \
+        } \
+    } while (0)
+    case 1: SET_CTXS(s, above, col, 1); break;
+    case 2: SET_CTXS(s, above, col, 2); break;
+    case 4: SET_CTXS(s, above, col, 4); break;
+    case 8: SET_CTXS(s, above, col, 8); break;
+    }
+    switch (ff_vp9_bwh_tab[1][b->bs][1]) {
+    case 1: SET_CTXS(td, left, row7, 1); break;
+    case 2: SET_CTXS(td, left, row7, 2); break;
+    case 4: SET_CTXS(td, left, row7, 4); break;
+    case 8: SET_CTXS(td, left, row7, 8); break;
+    }
+#undef SPLAT_CTX
+#undef SET_CTXS
+
+    if (!s->s.h.keyframe && !s->s.h.intraonly) {
+        if (b->bs > BS_8x8) {
+            int mv0 = AV_RN32A(&b->mv[3][0]), mv1 = AV_RN32A(&b->mv[3][1]);
+
+            AV_COPY32(&td->left_mv_ctx[row7 * 2 + 0][0], &b->mv[1][0]);
+            AV_COPY32(&td->left_mv_ctx[row7 * 2 + 0][1], &b->mv[1][1]);
+            AV_WN32A(&td->left_mv_ctx[row7 * 2 + 1][0], mv0);
+            AV_WN32A(&td->left_mv_ctx[row7 * 2 + 1][1], mv1);
+            AV_COPY32(&s->above_mv_ctx[col * 2 + 0][0], &b->mv[2][0]);
+            AV_COPY32(&s->above_mv_ctx[col * 2 + 0][1], &b->mv[2][1]);
+            AV_WN32A(&s->above_mv_ctx[col * 2 + 1][0], mv0);
+            AV_WN32A(&s->above_mv_ctx[col * 2 + 1][1], mv1);
+        } else {
+            int n, mv0 = AV_RN32A(&b->mv[3][0]), mv1 = AV_RN32A(&b->mv[3][1]);
+
+            for (n = 0; n < w4 * 2; n++) {
+                AV_WN32A(&s->above_mv_ctx[col * 2 + n][0], mv0);
+                AV_WN32A(&s->above_mv_ctx[col * 2 + n][1], mv1);
+            }
+            for (n = 0; n < h4 * 2; n++) {
+                AV_WN32A(&td->left_mv_ctx[row7 * 2 + n][0], mv0);
+                AV_WN32A(&td->left_mv_ctx[row7 * 2 + n][1], mv1);
+            }
+        }
+    }
+
+    // FIXME kinda ugly
+    for (y = 0; y < h4; y++) {
+        int x, o = (row + y) * s->sb_cols * 8 + col;
+        VP9mvrefPair *mv = &s->s.frames[CUR_FRAME].mv[o];
+
+        if (b->intra) {
+            for (x = 0; x < w4; x++) {
+                mv[x].ref[0] =
+                mv[x].ref[1] = -1;
+            }
+        } else if (b->comp) {
+            for (x = 0; x < w4; x++) {
+                mv[x].ref[0] = b->ref[0];
+                mv[x].ref[1] = b->ref[1];
+                AV_COPY32(&mv[x].mv[0], &b->mv[3][0]);
+                AV_COPY32(&mv[x].mv[1], &b->mv[3][1]);
+            }
+        } else {
+            for (x = 0; x < w4; x++) {
+                mv[x].ref[0] = b->ref[0];
+                mv[x].ref[1] = -1;
+                AV_COPY32(&mv[x].mv[0], &b->mv[3][0]);
+            }
+        }
+    }
+}
+
+// FIXME merge cnt/eob arguments?
+static av_always_inline int
+decode_coeffs_b_generic(VP56RangeCoder *c, int16_t *coef, int n_coeffs,
+                        int is_tx32x32, int is8bitsperpixel, int bpp, unsigned (*cnt)[6][3],
+                        unsigned (*eob)[6][2], uint8_t (*p)[6][11],
+                        int nnz, const int16_t *scan, const int16_t (*nb)[2],
+                        const int16_t *band_counts, int16_t *qmul)
+{
+    int i = 0, band = 0, band_left = band_counts[band];
+    const uint8_t *tp = p[0][nnz];
+    uint8_t cache[1024];
+
+    do {
+        int val, rc;
+
+        val = vp56_rac_get_prob_branchy(c, tp[0]); // eob
+        eob[band][nnz][val]++;
+        if (!val)
+            break;
+
+skip_eob:
+        if (!vp56_rac_get_prob_branchy(c, tp[1])) { // zero
+            cnt[band][nnz][0]++;
+            if (!--band_left)
+                band_left = band_counts[++band];
+            cache[scan[i]] = 0;
+            nnz            = (1 + cache[nb[i][0]] + cache[nb[i][1]]) >> 1;
+            tp             = p[band][nnz];
+            if (++i == n_coeffs)
+                break;  //invalid input; blocks should end with EOB
+            goto skip_eob;
+        }
+
+        rc = scan[i];
+        if (!vp56_rac_get_prob_branchy(c, tp[2])) { // one
+            cnt[band][nnz][1]++;
+            val       = 1;
+            cache[rc] = 1;
+        } else {
+            cnt[band][nnz][2]++;
+            if (!vp56_rac_get_prob_branchy(c, tp[3])) { // 2, 3, 4
+                if (!vp56_rac_get_prob_branchy(c, tp[4])) {
+                    cache[rc] = val = 2;
+                } else {
+                    val       = 3 + vp56_rac_get_prob(c, tp[5]);
+                    cache[rc] = 3;
+                }
+            } else if (!vp56_rac_get_prob_branchy(c, tp[6])) { // cat1/2
+                cache[rc] = 4;
+                if (!vp56_rac_get_prob_branchy(c, tp[7])) {
+                    val  =  vp56_rac_get_prob(c, 159) + 5;
+                } else {
+                    val  = (vp56_rac_get_prob(c, 165) << 1) + 7;
+                    val +=  vp56_rac_get_prob(c, 145);
+                }
+            } else { // cat 3-6
+                cache[rc] = 5;
+                if (!vp56_rac_get_prob_branchy(c, tp[8])) {
+                    if (!vp56_rac_get_prob_branchy(c, tp[9])) {
+                        val  = 11 + (vp56_rac_get_prob(c, 173) << 2);
+                        val +=      (vp56_rac_get_prob(c, 148) << 1);
+                        val +=       vp56_rac_get_prob(c, 140);
+                    } else {
+                        val  = 19 + (vp56_rac_get_prob(c, 176) << 3);
+                        val +=      (vp56_rac_get_prob(c, 155) << 2);
+                        val +=      (vp56_rac_get_prob(c, 140) << 1);
+                        val +=       vp56_rac_get_prob(c, 135);
+                    }
+                } else if (!vp56_rac_get_prob_branchy(c, tp[10])) {
+                    val  = (vp56_rac_get_prob(c, 180) << 4) + 35;
+                    val += (vp56_rac_get_prob(c, 157) << 3);
+                    val += (vp56_rac_get_prob(c, 141) << 2);
+                    val += (vp56_rac_get_prob(c, 134) << 1);
+                    val +=  vp56_rac_get_prob(c, 130);
+                } else {
+                    val = 67;
+                    if (!is8bitsperpixel) {
+                        if (bpp == 12) {
+                            val += vp56_rac_get_prob(c, 255) << 17;
+                            val += vp56_rac_get_prob(c, 255) << 16;
+                        }
+                        val +=  (vp56_rac_get_prob(c, 255) << 15);
+                        val +=  (vp56_rac_get_prob(c, 255) << 14);
+                    }
+                    val += (vp56_rac_get_prob(c, 254) << 13);
+                    val += (vp56_rac_get_prob(c, 254) << 12);
+                    val += (vp56_rac_get_prob(c, 254) << 11);
+                    val += (vp56_rac_get_prob(c, 252) << 10);
+                    val += (vp56_rac_get_prob(c, 249) << 9);
+                    val += (vp56_rac_get_prob(c, 243) << 8);
+                    val += (vp56_rac_get_prob(c, 230) << 7);
+                    val += (vp56_rac_get_prob(c, 196) << 6);
+                    val += (vp56_rac_get_prob(c, 177) << 5);
+                    val += (vp56_rac_get_prob(c, 153) << 4);
+                    val += (vp56_rac_get_prob(c, 140) << 3);
+                    val += (vp56_rac_get_prob(c, 133) << 2);
+                    val += (vp56_rac_get_prob(c, 130) << 1);
+                    val +=  vp56_rac_get_prob(c, 129);
+                }
+            }
+        }
+#define STORE_COEF(c, i, v) do { \
+    if (is8bitsperpixel) { \
+        c[i] = v; \
+    } else { \
+        AV_WN32A(&c[i * 2], v); \
+    } \
+} while (0)
+        if (!--band_left)
+            band_left = band_counts[++band];
+        if (is_tx32x32)
+            STORE_COEF(coef, rc, (int)((vp8_rac_get(c) ? -val : val) * (unsigned)qmul[!!i]) / 2);
+        else
+            STORE_COEF(coef, rc, (vp8_rac_get(c) ? -val : val) * (unsigned)qmul[!!i]);
+        nnz = (1 + cache[nb[i][0]] + cache[nb[i][1]]) >> 1;
+        tp = p[band][nnz];
+    } while (++i < n_coeffs);
+
+    return i;
+}
+
+static int decode_coeffs_b_8bpp(VP9TileData *td, int16_t *coef, int n_coeffs,
+                                unsigned (*cnt)[6][3], unsigned (*eob)[6][2],
+                                uint8_t (*p)[6][11], int nnz, const int16_t *scan,
+                                const int16_t (*nb)[2], const int16_t *band_counts,
+                                int16_t *qmul)
+{
+    return decode_coeffs_b_generic(td->c, coef, n_coeffs, 0, 1, 8, cnt, eob, p,
+                                   nnz, scan, nb, band_counts, qmul);
+}
+
+static int decode_coeffs_b32_8bpp(VP9TileData *td, int16_t *coef, int n_coeffs,
+                                  unsigned (*cnt)[6][3], unsigned (*eob)[6][2],
+                                  uint8_t (*p)[6][11], int nnz, const int16_t *scan,
+                                  const int16_t (*nb)[2], const int16_t *band_counts,
+                                  int16_t *qmul)
+{
+    return decode_coeffs_b_generic(td->c, coef, n_coeffs, 1, 1, 8, cnt, eob, p,
+                                   nnz, scan, nb, band_counts, qmul);
+}
+
+static int decode_coeffs_b_16bpp(VP9TileData *td, int16_t *coef, int n_coeffs,
+                                 unsigned (*cnt)[6][3], unsigned (*eob)[6][2],
+                                 uint8_t (*p)[6][11], int nnz, const int16_t *scan,
+                                 const int16_t (*nb)[2], const int16_t *band_counts,
+                                 int16_t *qmul)
+{
+    return decode_coeffs_b_generic(td->c, coef, n_coeffs, 0, 0, td->s->s.h.bpp, cnt, eob, p,
+                                   nnz, scan, nb, band_counts, qmul);
+}
+
+static int decode_coeffs_b32_16bpp(VP9TileData *td, int16_t *coef, int n_coeffs,
+                                   unsigned (*cnt)[6][3], unsigned (*eob)[6][2],
+                                   uint8_t (*p)[6][11], int nnz, const int16_t *scan,
+                                   const int16_t (*nb)[2], const int16_t *band_counts,
+                                   int16_t *qmul)
+{
+    return decode_coeffs_b_generic(td->c, coef, n_coeffs, 1, 0, td->s->s.h.bpp, cnt, eob, p,
+                                   nnz, scan, nb, band_counts, qmul);
+}
+
+static av_always_inline int decode_coeffs(VP9TileData *td, int is8bitsperpixel)
+{
+    VP9Context *s = td->s;
+    VP9Block *b = td->b;
+    int row = td->row, col = td->col;
+    uint8_t (*p)[6][11] = s->prob.coef[b->tx][0 /* y */][!b->intra];
+    unsigned (*c)[6][3] = td->counts.coef[b->tx][0 /* y */][!b->intra];
+    unsigned (*e)[6][2] = td->counts.eob[b->tx][0 /* y */][!b->intra];
+    int w4 = ff_vp9_bwh_tab[1][b->bs][0] << 1, h4 = ff_vp9_bwh_tab[1][b->bs][1] << 1;
+    int end_x = FFMIN(2 * (s->cols - col), w4);
+    int end_y = FFMIN(2 * (s->rows - row), h4);
+    int n, pl, x, y, ret;
+    int16_t (*qmul)[2] = s->s.h.segmentation.feat[b->seg_id].qmul;
+    int tx = 4 * s->s.h.lossless + b->tx;
+    const int16_t * const *yscans = ff_vp9_scans[tx];
+    const int16_t (* const * ynbs)[2] = ff_vp9_scans_nb[tx];
+    const int16_t *uvscan = ff_vp9_scans[b->uvtx][DCT_DCT];
+    const int16_t (*uvnb)[2] = ff_vp9_scans_nb[b->uvtx][DCT_DCT];
+    uint8_t *a = &s->above_y_nnz_ctx[col * 2];
+    uint8_t *l = &td->left_y_nnz_ctx[(row & 7) << 1];
+    static const int16_t band_counts[4][8] = {
+        { 1, 2, 3, 4,  3,   16 - 13 },
+        { 1, 2, 3, 4, 11,   64 - 21 },
+        { 1, 2, 3, 4, 11,  256 - 21 },
+        { 1, 2, 3, 4, 11, 1024 - 21 },
+    };
+    const int16_t *y_band_counts = band_counts[b->tx];
+    const int16_t *uv_band_counts = band_counts[b->uvtx];
+    int bytesperpixel = is8bitsperpixel ? 1 : 2;
+    int total_coeff = 0;
+
+#define MERGE(la, end, step, rd) \
+    for (n = 0; n < end; n += step) \
+        la[n] = !!rd(&la[n])
+#define MERGE_CTX(step, rd) \
+    do { \
+        MERGE(l, end_y, step, rd); \
+        MERGE(a, end_x, step, rd); \
+    } while (0)
+
+#define DECODE_Y_COEF_LOOP(step, mode_index, v) \
+    for (n = 0, y = 0; y < end_y; y += step) { \
+        for (x = 0; x < end_x; x += step, n += step * step) { \
+            enum TxfmType txtp = ff_vp9_intra_txfm_type[b->mode[mode_index]]; \
+            ret = (is8bitsperpixel ? decode_coeffs_b##v##_8bpp : decode_coeffs_b##v##_16bpp) \
+                                    (td, td->block + 16 * n * bytesperpixel, 16 * step * step, \
+                                     c, e, p, a[x] + l[y], yscans[txtp], \
+                                     ynbs[txtp], y_band_counts, qmul[0]); \
+            a[x] = l[y] = !!ret; \
+            total_coeff |= !!ret; \
+            if (step >= 4) { \
+                AV_WN16A(&td->eob[n], ret); \
+            } else { \
+                td->eob[n] = ret; \
+            } \
+        } \
+    }
+
+#define SPLAT(la, end, step, cond) \
+    if (step == 2) { \
+        for (n = 1; n < end; n += step) \
+            la[n] = la[n - 1]; \
+    } else if (step == 4) { \
+        if (cond) { \
+            for (n = 0; n < end; n += step) \
+                AV_WN32A(&la[n], la[n] * 0x01010101); \
+        } else { \
+            for (n = 0; n < end; n += step) \
+                memset(&la[n + 1], la[n], FFMIN(end - n - 1, 3)); \
+        } \
+    } else /* step == 8 */ { \
+        if (cond) { \
+            if (HAVE_FAST_64BIT) { \
+                for (n = 0; n < end; n += step) \
+                    AV_WN64A(&la[n], la[n] * 0x0101010101010101ULL); \
+            } else { \
+                for (n = 0; n < end; n += step) { \
+                    uint32_t v32 = la[n] * 0x01010101; \
+                    AV_WN32A(&la[n],     v32); \
+                    AV_WN32A(&la[n + 4], v32); \
+                } \
+            } \
+        } else { \
+            for (n = 0; n < end; n += step) \
+                memset(&la[n + 1], la[n], FFMIN(end - n - 1, 7)); \
+        } \
+    }
+#define SPLAT_CTX(step) \
+    do { \
+        SPLAT(a, end_x, step, end_x == w4); \
+        SPLAT(l, end_y, step, end_y == h4); \
+    } while (0)
+
+    /* y tokens */
+    switch (b->tx) {
+    case TX_4X4:
+        DECODE_Y_COEF_LOOP(1, b->bs > BS_8x8 ? n : 0,);
+        break;
+    case TX_8X8:
+        MERGE_CTX(2, AV_RN16A);
+        DECODE_Y_COEF_LOOP(2, 0,);
+        SPLAT_CTX(2);
+        break;
+    case TX_16X16:
+        MERGE_CTX(4, AV_RN32A);
+        DECODE_Y_COEF_LOOP(4, 0,);
+        SPLAT_CTX(4);
+        break;
+    case TX_32X32:
+        MERGE_CTX(8, AV_RN64A);
+        DECODE_Y_COEF_LOOP(8, 0, 32);
+        SPLAT_CTX(8);
+        break;
+    }
+
+#define DECODE_UV_COEF_LOOP(step, v) \
+    for (n = 0, y = 0; y < end_y; y += step) { \
+        for (x = 0; x < end_x; x += step, n += step * step) { \
+            ret = (is8bitsperpixel ? decode_coeffs_b##v##_8bpp : decode_coeffs_b##v##_16bpp) \
+                                    (td, td->uvblock[pl] + 16 * n * bytesperpixel, \
+                                     16 * step * step, c, e, p, a[x] + l[y], \
+                                     uvscan, uvnb, uv_band_counts, qmul[1]); \
+            a[x] = l[y] = !!ret; \
+            total_coeff |= !!ret; \
+            if (step >= 4) { \
+                AV_WN16A(&td->uveob[pl][n], ret); \
+            } else { \
+                td->uveob[pl][n] = ret; \
+            } \
+        } \
+    }
+
+    p = s->prob.coef[b->uvtx][1 /* uv */][!b->intra];
+    c = td->counts.coef[b->uvtx][1 /* uv */][!b->intra];
+    e = td->counts.eob[b->uvtx][1 /* uv */][!b->intra];
+    w4 >>= s->ss_h;
+    end_x >>= s->ss_h;
+    h4 >>= s->ss_v;
+    end_y >>= s->ss_v;
+    for (pl = 0; pl < 2; pl++) {
+        a = &s->above_uv_nnz_ctx[pl][col << !s->ss_h];
+        l = &td->left_uv_nnz_ctx[pl][(row & 7) << !s->ss_v];
+        switch (b->uvtx) {
+        case TX_4X4:
+            DECODE_UV_COEF_LOOP(1,);
+            break;
+        case TX_8X8:
+            MERGE_CTX(2, AV_RN16A);
+            DECODE_UV_COEF_LOOP(2,);
+            SPLAT_CTX(2);
+            break;
+        case TX_16X16:
+            MERGE_CTX(4, AV_RN32A);
+            DECODE_UV_COEF_LOOP(4,);
+            SPLAT_CTX(4);
+            break;
+        case TX_32X32:
+            MERGE_CTX(8, AV_RN64A);
+            DECODE_UV_COEF_LOOP(8, 32);
+            SPLAT_CTX(8);
+            break;
+        }
+    }
+
+    return total_coeff;
+}
+
+static int decode_coeffs_8bpp(VP9TileData *td)
+{
+    return decode_coeffs(td, 1);
+}
+
+static int decode_coeffs_16bpp(VP9TileData *td)
+{
+    return decode_coeffs(td, 0);
+}
+
+static av_always_inline void mask_edges(uint8_t (*mask)[8][4], int ss_h, int ss_v,
+                                        int row_and_7, int col_and_7,
+                                        int w, int h, int col_end, int row_end,
+                                        enum TxfmMode tx, int skip_inter)
+{
+    static const unsigned wide_filter_col_mask[2] = { 0x11, 0x01 };
+    static const unsigned wide_filter_row_mask[2] = { 0x03, 0x07 };
+
+    // FIXME I'm pretty sure all loops can be replaced by a single LUT if
+    // we make VP9Filter.mask uint64_t (i.e. row/col all single variable)
+    // and make the LUT 5-indexed (bl, bp, is_uv, tx and row/col), and then
+    // use row_and_7/col_and_7 as shifts (1*col_and_7+8*row_and_7)
+
+    // the intended behaviour of the vp9 loopfilter is to work on 8-pixel
+    // edges. This means that for UV, we work on two subsampled blocks at
+    // a time, and we only use the topleft block's mode information to set
+    // things like block strength. Thus, for any block size smaller than
+    // 16x16, ignore the odd portion of the block.
+    if (tx == TX_4X4 && (ss_v | ss_h)) {
+        if (h == ss_v) {
+            if (row_and_7 & 1)
+                return;
+            if (!row_end)
+                h += 1;
+        }
+        if (w == ss_h) {
+            if (col_and_7 & 1)
+                return;
+            if (!col_end)
+                w += 1;
+        }
+    }
+
+    if (tx == TX_4X4 && !skip_inter) {
+        int t = 1 << col_and_7, m_col = (t << w) - t, y;
+        // on 32-px edges, use the 8-px wide loopfilter; else, use 4-px wide
+        int m_row_8 = m_col & wide_filter_col_mask[ss_h], m_row_4 = m_col - m_row_8;
+
+        for (y = row_and_7; y < h + row_and_7; y++) {
+            int col_mask_id = 2 - !(y & wide_filter_row_mask[ss_v]);
+
+            mask[0][y][1] |= m_row_8;
+            mask[0][y][2] |= m_row_4;
+            // for odd lines, if the odd col is not being filtered,
+            // skip odd row also:
+            // .---. <-- a
+            // |   |
+            // |___| <-- b
+            // ^   ^
+            // c   d
+            //
+            // if a/c are even row/col and b/d are odd, and d is skipped,
+            // e.g. right edge of size-66x66.webm, then skip b also (bug)
+            if ((ss_h & ss_v) && (col_end & 1) && (y & 1)) {
+                mask[1][y][col_mask_id] |= (t << (w - 1)) - t;
+            } else {
+                mask[1][y][col_mask_id] |= m_col;
+            }
+            if (!ss_h)
+                mask[0][y][3] |= m_col;
+            if (!ss_v) {
+                if (ss_h && (col_end & 1))
+                    mask[1][y][3] |= (t << (w - 1)) - t;
+                else
+                    mask[1][y][3] |= m_col;
+            }
+        }
+    } else {
+        int y, t = 1 << col_and_7, m_col = (t << w) - t;
+
+        if (!skip_inter) {
+            int mask_id = (tx == TX_8X8);
+            int l2 = tx + ss_h - 1, step1d;
+            static const unsigned masks[4] = { 0xff, 0x55, 0x11, 0x01 };
+            int m_row = m_col & masks[l2];
+
+            // at odd UV col/row edges tx16/tx32 loopfilter edges, force
+            // 8wd loopfilter to prevent going off the visible edge.
+            if (ss_h && tx > TX_8X8 && (w ^ (w - 1)) == 1) {
+                int m_row_16 = ((t << (w - 1)) - t) & masks[l2];
+                int m_row_8 = m_row - m_row_16;
+
+                for (y = row_and_7; y < h + row_and_7; y++) {
+                    mask[0][y][0] |= m_row_16;
+                    mask[0][y][1] |= m_row_8;
+                }
+            } else {
+                for (y = row_and_7; y < h + row_and_7; y++)
+                    mask[0][y][mask_id] |= m_row;
+            }
+
+            l2 = tx + ss_v - 1;
+            step1d = 1 << l2;
+            if (ss_v && tx > TX_8X8 && (h ^ (h - 1)) == 1) {
+                for (y = row_and_7; y < h + row_and_7 - 1; y += step1d)
+                    mask[1][y][0] |= m_col;
+                if (y - row_and_7 == h - 1)
+                    mask[1][y][1] |= m_col;
+            } else {
+                for (y = row_and_7; y < h + row_and_7; y += step1d)
+                    mask[1][y][mask_id] |= m_col;
+            }
+        } else if (tx != TX_4X4) {
+            int mask_id;
+
+            mask_id = (tx == TX_8X8) || (h == ss_v);
+            mask[1][row_and_7][mask_id] |= m_col;
+            mask_id = (tx == TX_8X8) || (w == ss_h);
+            for (y = row_and_7; y < h + row_and_7; y++)
+                mask[0][y][mask_id] |= t;
+        } else {
+            int t8 = t & wide_filter_col_mask[ss_h], t4 = t - t8;
+
+            for (y = row_and_7; y < h + row_and_7; y++) {
+                mask[0][y][2] |= t4;
+                mask[0][y][1] |= t8;
+            }
+            mask[1][row_and_7][2 - !(row_and_7 & wide_filter_row_mask[ss_v])] |= m_col;
+        }
+    }
+}
+
+void ff_vp9_decode_block(VP9TileData *td, int row, int col,
+                         VP9Filter *lflvl, ptrdiff_t yoff, ptrdiff_t uvoff,
+                         enum BlockLevel bl, enum BlockPartition bp)
+{
+    VP9Context *s = td->s;
+    VP9Block *b = td->b;
+    enum BlockSize bs = bl * 3 + bp;
+    int bytesperpixel = s->bytesperpixel;
+    int w4 = ff_vp9_bwh_tab[1][bs][0], h4 = ff_vp9_bwh_tab[1][bs][1], lvl;
+    int emu[2];
+    AVFrame *f = s->s.frames[CUR_FRAME].tf.f;
+
+    td->row = row;
+    td->row7 = row & 7;
+    td->col = col;
+    td->col7 = col & 7;
+
+    td->min_mv.x = -(128 + col * 64);
+    td->min_mv.y = -(128 + row * 64);
+    td->max_mv.x = 128 + (s->cols - col - w4) * 64;
+    td->max_mv.y = 128 + (s->rows - row - h4) * 64;
+
+    if (s->pass < 2) {
+        b->bs = bs;
+        b->bl = bl;
+        b->bp = bp;
+        decode_mode(td);
+        b->uvtx = b->tx - ((s->ss_h && w4 * 2 == (1 << b->tx)) ||
+                           (s->ss_v && h4 * 2 == (1 << b->tx)));
+
+        if (!b->skip) {
+            int has_coeffs;
+
+            if (bytesperpixel == 1) {
+                has_coeffs = decode_coeffs_8bpp(td);
+            } else {
+                has_coeffs = decode_coeffs_16bpp(td);
+            }
+            if (!has_coeffs && b->bs <= BS_8x8 && !b->intra) {
+                b->skip = 1;
+                memset(&s->above_skip_ctx[col], 1, w4);
+                memset(&td->left_skip_ctx[td->row7], 1, h4);
+            }
+        } else {
+            int row7 = td->row7;
+
+#define SPLAT_ZERO_CTX(v, n) \
+    switch (n) { \
+    case 1:  v = 0;          break; \
+    case 2:  AV_ZERO16(&v);  break; \
+    case 4:  AV_ZERO32(&v);  break; \
+    case 8:  AV_ZERO64(&v);  break; \
+    case 16: AV_ZERO128(&v); break; \
+    }
+#define SPLAT_ZERO_YUV(dir, var, off, n, dir2) \
+    do { \
+        SPLAT_ZERO_CTX(dir##_y_##var[off * 2], n * 2); \
+        if (s->ss_##dir2) { \
+            SPLAT_ZERO_CTX(dir##_uv_##var[0][off], n); \
+            SPLAT_ZERO_CTX(dir##_uv_##var[1][off], n); \
+        } else { \
+            SPLAT_ZERO_CTX(dir##_uv_##var[0][off * 2], n * 2); \
+            SPLAT_ZERO_CTX(dir##_uv_##var[1][off * 2], n * 2); \
+        } \
+    } while (0)
+
+            switch (w4) {
+            case 1: SPLAT_ZERO_YUV(s->above, nnz_ctx, col, 1, h); break;
+            case 2: SPLAT_ZERO_YUV(s->above, nnz_ctx, col, 2, h); break;
+            case 4: SPLAT_ZERO_YUV(s->above, nnz_ctx, col, 4, h); break;
+            case 8: SPLAT_ZERO_YUV(s->above, nnz_ctx, col, 8, h); break;
+            }
+            switch (h4) {
+            case 1: SPLAT_ZERO_YUV(td->left, nnz_ctx, row7, 1, v); break;
+            case 2: SPLAT_ZERO_YUV(td->left, nnz_ctx, row7, 2, v); break;
+            case 4: SPLAT_ZERO_YUV(td->left, nnz_ctx, row7, 4, v); break;
+            case 8: SPLAT_ZERO_YUV(td->left, nnz_ctx, row7, 8, v); break;
+            }
+        }
+
+        if (s->pass == 1) {
+            s->td[0].b++;
+            s->td[0].block += w4 * h4 * 64 * bytesperpixel;
+            s->td[0].uvblock[0] += w4 * h4 * 64 * bytesperpixel >> (s->ss_h + s->ss_v);
+            s->td[0].uvblock[1] += w4 * h4 * 64 * bytesperpixel >> (s->ss_h + s->ss_v);
+            s->td[0].eob += 4 * w4 * h4;
+            s->td[0].uveob[0] += 4 * w4 * h4 >> (s->ss_h + s->ss_v);
+            s->td[0].uveob[1] += 4 * w4 * h4 >> (s->ss_h + s->ss_v);
+
+            return;
+        }
+    }
+
+    // emulated overhangs if the stride of the target buffer can't hold. This
+    // makes it possible to support emu-edge and so on even if we have large block
+    // overhangs
+    emu[0] = (col + w4) * 8 * bytesperpixel > f->linesize[0] ||
+             (row + h4) > s->rows;
+    emu[1] = ((col + w4) * 8 >> s->ss_h) * bytesperpixel > f->linesize[1] ||
+             (row + h4) > s->rows;
+    if (emu[0]) {
+        td->dst[0] = td->tmp_y;
+        td->y_stride = 128;
+    } else {
+        td->dst[0] = f->data[0] + yoff;
+        td->y_stride = f->linesize[0];
+    }
+    if (emu[1]) {
+        td->dst[1] = td->tmp_uv[0];
+        td->dst[2] = td->tmp_uv[1];
+        td->uv_stride = 128;
+    } else {
+        td->dst[1] = f->data[1] + uvoff;
+        td->dst[2] = f->data[2] + uvoff;
+        td->uv_stride = f->linesize[1];
+    }
+    if (b->intra) {
+        if (s->s.h.bpp > 8) {
+            ff_vp9_intra_recon_16bpp(td, yoff, uvoff);
+        } else {
+            ff_vp9_intra_recon_8bpp(td, yoff, uvoff);
+        }
+    } else {
+        if (s->s.h.bpp > 8) {
+            ff_vp9_inter_recon_16bpp(td);
+        } else {
+            ff_vp9_inter_recon_8bpp(td);
+        }
+    }
+    if (emu[0]) {
+        int w = FFMIN(s->cols - col, w4) * 8, h = FFMIN(s->rows - row, h4) * 8, n, o = 0;
+
+        for (n = 0; o < w; n++) {
+            int bw = 64 >> n;
+
+            av_assert2(n <= 4);
+            if (w & bw) {
+                s->dsp.mc[n][0][0][0][0](f->data[0] + yoff + o * bytesperpixel, f->linesize[0],
+                                         td->tmp_y + o * bytesperpixel, 128, h, 0, 0);
+                o += bw;
+            }
+        }
+    }
+    if (emu[1]) {
+        int w = FFMIN(s->cols - col, w4) * 8 >> s->ss_h;
+        int h = FFMIN(s->rows - row, h4) * 8 >> s->ss_v, n, o = 0;
+
+        for (n = s->ss_h; o < w; n++) {
+            int bw = 64 >> n;
+
+            av_assert2(n <= 4);
+            if (w & bw) {
+                s->dsp.mc[n][0][0][0][0](f->data[1] + uvoff + o * bytesperpixel, f->linesize[1],
+                                         td->tmp_uv[0] + o * bytesperpixel, 128, h, 0, 0);
+                s->dsp.mc[n][0][0][0][0](f->data[2] + uvoff + o * bytesperpixel, f->linesize[2],
+                                         td->tmp_uv[1] + o * bytesperpixel, 128, h, 0, 0);
+                o += bw;
+            }
+        }
+    }
+
+    // pick filter level and find edges to apply filter to
+    if (s->s.h.filter.level &&
+        (lvl = s->s.h.segmentation.feat[b->seg_id].lflvl[b->intra ? 0 : b->ref[0] + 1]
+                                                      [b->mode[3] != ZEROMV]) > 0) {
+        int x_end = FFMIN(s->cols - col, w4), y_end = FFMIN(s->rows - row, h4);
+        int skip_inter = !b->intra && b->skip, col7 = td->col7, row7 = td->row7;
+
+        setctx_2d(&lflvl->level[row7 * 8 + col7], w4, h4, 8, lvl);
+        mask_edges(lflvl->mask[0], 0, 0, row7, col7, x_end, y_end, 0, 0, b->tx, skip_inter);
+        if (s->ss_h || s->ss_v)
+            mask_edges(lflvl->mask[1], s->ss_h, s->ss_v, row7, col7, x_end, y_end,
+                       s->cols & 1 && col + w4 >= s->cols ? s->cols & 7 : 0,
+                       s->rows & 1 && row + h4 >= s->rows ? s->rows & 7 : 0,
+                       b->uvtx, skip_inter);
+    }
+
+    if (s->pass == 2) {
+        s->td[0].b++;
+        s->td[0].block += w4 * h4 * 64 * bytesperpixel;
+        s->td[0].uvblock[0] += w4 * h4 * 64 * bytesperpixel >> (s->ss_v + s->ss_h);
+        s->td[0].uvblock[1] += w4 * h4 * 64 * bytesperpixel >> (s->ss_v + s->ss_h);
+        s->td[0].eob += 4 * w4 * h4;
+        s->td[0].uveob[0] += 4 * w4 * h4 >> (s->ss_v + s->ss_h);
+        s->td[0].uveob[1] += 4 * w4 * h4 >> (s->ss_v + s->ss_h);
+    }
+}
diff --git a/media/ffvpx/libavcodec/vp9data.c b/media/ffvpx/libavcodec/vp9data.c
new file mode 100644
index 000000000..7af8a97b1
--- /dev/null
+++ b/media/ffvpx/libavcodec/vp9data.c
@@ -0,0 +1,2247 @@
+/*
+ * Copyright (C) 2013 Ronald S. Bultje <rsbultje gmail com>
+ * Copyright (C) 2013 Clément Bœsch <u pkh me>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "vp9.h"
+#include "vp9data.h"
+
+const uint8_t ff_vp9_bwh_tab[2][N_BS_SIZES][2] = {
+    {
+        { 16, 16 }, { 16, 8 }, { 8, 16 }, { 8, 8 }, { 8, 4 }, { 4, 8 },
+        {  4,  4 }, {  4, 2 }, { 2,  4 }, { 2, 2 }, { 2, 1 }, { 1, 2 }, { 1, 1 },
+    }, {
+        {  8,  8 }, {  8, 4 }, { 4,  8 }, { 4, 4 }, { 4, 2 }, { 2, 4 },
+        {  2,  2 }, {  2, 1 }, { 1,  2 }, { 1, 1 }, { 1, 1 }, { 1, 1 }, { 1, 1 },
+    }
+};
+
+const int8_t ff_vp9_partition_tree[3][2] = {
+    { -PARTITION_NONE, 1 },                      // '0'
+        { -PARTITION_H, 2 },                     // '10'
+            { -PARTITION_V, -PARTITION_SPLIT },  // '110', '111'
+};
+
+const uint8_t ff_vp9_default_kf_partition_probs[4][4][3] = {
+    { /* 64x64 -> 32x32 */
+        { 174,  35,  49 } /* a/l both not split */,
+        {  68,  11,  27 } /* a split, l not split */,
+        {  57,  15,   9 } /* l split, a not split */,
+        {  12,   3,   3 } /* a/l both split */
+    }, { /* 32x32 -> 16x16 */
+        { 150,  40,  39 } /* a/l both not split */,
+        {  78,  12,  26 } /* a split, l not split */,
+        {  67,  33,  11 } /* l split, a not split */,
+        {  24,   7,   5 } /* a/l both split */,
+    }, { /* 16x16 -> 8x8 */
+        { 149,  53,  53 } /* a/l both not split */,
+        {  94,  20,  48 } /* a split, l not split */,
+        {  83,  53,  24 } /* l split, a not split */,
+        {  52,  18,  18 } /* a/l both split */,
+    }, { /* 8x8 -> 4x4 */
+        { 158,  97,  94 } /* a/l both not split */,
+        {  93,  24,  99 } /* a split, l not split */,
+        {  85, 119,  44 } /* l split, a not split */,
+        {  62,  59,  67 } /* a/l both split */,
+    },
+};
+
+const int8_t ff_vp9_segmentation_tree[7][2] = {
+    { 1, 2 },
+        { 3, 4 },
+        { 5, 6 },
+            { -0, -1 },  // '00x'
+            { -2, -3 },  // '01x'
+            { -4, -5 },  // '10x'
+            { -6, -7 },  // '11x'
+};
+
+const int8_t ff_vp9_intramode_tree[9][2] = {
+    { -DC_PRED, 1 },                                                  // '0'
+        { -TM_VP8_PRED, 2 },                                          // '10'
+            { -VERT_PRED, 3 },                                        // '110'
+                { 4, 6 },
+                    { -HOR_PRED, 5 },                                 // '11100'
+                        { -DIAG_DOWN_RIGHT_PRED, -VERT_RIGHT_PRED },  // '11101x'
+                    { -DIAG_DOWN_LEFT_PRED, 7 },                      // '11110'
+                        { -VERT_LEFT_PRED, 8 },                       // '111110'
+                            { -HOR_DOWN_PRED, -HOR_UP_PRED },         // '111111x'
+};
+
+const uint8_t ff_vp9_default_kf_ymode_probs[10][10][9] = {
+    { /* above = v */
+        {  43,  46, 168, 134, 107, 128,  69, 142,  92 } /* left = v */,
+        {  44,  29,  68, 159, 201, 177,  50,  57,  77 } /* left = h */,
+        {  63,  36, 126, 146, 123, 158,  60,  90,  96 } /* left = dc */,
+        {  58,  38,  76, 114,  97, 172,  78, 133,  92 } /* left = d45 */,
+        {  46,  41,  76, 140,  63, 184,  69, 112,  57 } /* left = d135 */,
+        {  38,  32,  85, 140,  46, 112,  54, 151, 133 } /* left = d117 */,
+        {  39,  27,  61, 131, 110, 175,  44,  75, 136 } /* left = d153 */,
+        {  47,  35,  80, 100,  74, 143,  64, 163,  74 } /* left = d63 */,
+        {  52,  30,  74, 113, 130, 175,  51,  64,  58 } /* left = d27 */,
+        {  36,  61, 116, 114, 128, 162,  80, 125,  82 } /* left = tm */
+    }, { /* above = h */
+        {  55,  44,  68, 166, 179, 192,  57,  57, 108 } /* left = v */,
+        {  42,  26,  11, 199, 241, 228,  23,  15,  85 } /* left = h */,
+        {  82,  26,  26, 171, 208, 204,  44,  32, 105 } /* left = dc */,
+        {  68,  42,  19, 131, 160, 199,  55,  52,  83 } /* left = d45 */,
+        {  58,  50,  25, 139, 115, 232,  39,  52, 118 } /* left = d135 */,
+        {  50,  35,  33, 153, 104, 162,  64,  59, 131 } /* left = d117 */,
+        {  44,  24,  16, 150, 177, 202,  33,  19, 156 } /* left = d153 */,
+        {  53,  49,  21, 110, 116, 168,  59,  80,  76 } /* left = d63 */,
+        {  55,  27,  12, 153, 203, 218,  26,  27,  49 } /* left = d27 */,
+        {  38,  72,  19, 168, 203, 212,  50,  50, 107 } /* left = tm */
+    }, { /* above = dc */
+        {  92,  45, 102, 136, 116, 180,  74,  90, 100 } /* left = v */,
+        {  73,  32,  19, 187, 222, 215,  46,  34, 100 } /* left = h */,
+        { 137,  30,  42, 148, 151, 207,  70,  52,  91 } /* left = dc */,
+        {  91,  30,  32, 116, 121, 186,  93,  86,  94 } /* left = d45 */,
+        {  72,  35,  36, 149,  68, 206,  68,  63, 105 } /* left = d135 */,
+        {  73,  31,  28, 138,  57, 124,  55, 122, 151 } /* left = d117 */,
+        {  67,  23,  21, 140, 126, 197,  40,  37, 171 } /* left = d153 */,
+        {  74,  32,  27, 107,  86, 160,  63, 134, 102 } /* left = d63 */,
+        {  86,  27,  28, 128, 154, 212,  45,  43,  53 } /* left = d27 */,
+        {  59,  67,  44, 140, 161, 202,  78,  67, 119 } /* left = tm */
+    }, { /* above = d45 */
+        {  59,  38,  83, 112, 103, 162,  98, 136,  90 } /* left = v */,
+        {  62,  30,  23, 158, 200, 207,  59,  57,  50 } /* left = h */,
+        { 103,  26,  36, 129, 132, 201,  83,  80,  93 } /* left = dc */,
+        {  67,  30,  29,  84,  86, 191, 102,  91,  59 } /* left = d45 */,
+        {  60,  32,  33, 112,  71, 220,  64,  89, 104 } /* left = d135 */,
+        {  53,  26,  34, 130,  56, 149,  84, 120, 103 } /* left = d117 */,
+        {  53,  21,  23, 133, 109, 210,  56,  77, 172 } /* left = d153 */,
+        {  61,  29,  29,  93,  97, 165,  83, 175, 162 } /* left = d63 */,
+        {  77,  19,  29, 112, 142, 228,  55,  66,  36 } /* left = d27 */,
+        {  47,  47,  43, 114, 137, 181, 100,  99,  95 } /* left = tm */
+    }, { /* above = d135 */
+        {  53,  40,  55, 139,  69, 183,  61,  80, 110 } /* left = v */,
+        {  40,  29,  19, 161, 180, 207,  43,  24,  91 } /* left = h */,
+        {  69,  23,  29, 128,  83, 199,  46,  44, 101 } /* left = dc */,
+        {  60,  34,  19, 105,  61, 198,  53,  64,  89 } /* left = d45 */,
+        {  52,  31,  22, 158,  40, 209,  58,  62,  89 } /* left = d135 */,
+        {  44,  31,  29, 147,  46, 158,  56, 102, 198 } /* left = d117 */,
+        {  35,  19,  12, 135,  87, 209,  41,  45, 167 } /* left = d153 */,
+        {  51,  38,  25, 113,  58, 164,  70,  93,  97 } /* left = d63 */,
+        {  55,  25,  21, 118,  95, 215,  38,  39,  66 } /* left = d27 */,
+        {  47,  54,  34, 146, 108, 203,  72, 103, 151 } /* left = tm */
+    }, { /* above = d117 */
+        {  46,  27,  80, 150,  55, 124,  55, 121, 135 } /* left = v */,
+        {  36,  23,  27, 165, 149, 166,  54,  64, 118 } /* left = h */,
+        {  64,  19,  37, 156,  66, 138,  49,  95, 133 } /* left = dc */,
+        {  53,  21,  36, 131,  63, 163,  60, 109,  81 } /* left = d45 */,
+        {  40,  26,  35, 154,  40, 185,  51,  97, 123 } /* left = d135 */,
+        {  35,  19,  34, 179,  19,  97,  48, 129, 124 } /* left = d117 */,
+        {  36,  20,  26, 136,  62, 164,  33,  77, 154 } /* left = d153 */,
+        {  45,  26,  28, 129,  45, 129,  49, 147, 123 } /* left = d63 */,
+        {  45,  18,  32, 130,  90, 157,  40,  79,  91 } /* left = d27 */,
+        {  38,  44,  51, 136,  74, 162,  57,  97, 121 } /* left = tm */
+    }, { /* above = d153 */
+        {  56,  39,  58, 133, 117, 173,  48,  53, 187 } /* left = v */,
+        {  35,  21,  12, 161, 212, 207,  20,  23, 145 } /* left = h */,
+        {  75,  17,  22, 136, 138, 185,  32,  34, 166 } /* left = dc */,
+        {  56,  29,  19, 117, 109, 181,  55,  68, 112 } /* left = d45 */,
+        {  47,  29,  17, 153,  64, 220,  59,  51, 114 } /* left = d135 */,
+        {  46,  16,  24, 136,  76, 147,  41,  64, 172 } /* left = d117 */,
+        {  34,  17,  11, 108, 152, 187,  13,  15, 209 } /* left = d153 */,
+        {  55,  30,  18, 122,  79, 179,  44,  88, 116 } /* left = d63 */,
+        {  51,  24,  14, 115, 133, 209,  32,  26, 104 } /* left = d27 */,
+        {  37,  49,  25, 129, 168, 164,  41,  54, 148 } /* left = tm */
+    }, { /* above = d63 */
+        {  48,  34,  86, 101,  92, 146,  78, 179, 134 } /* left = v */,
+        {  47,  22,  24, 138, 187, 178,  68,  69,  59 } /* left = h */,
+        {  78,  23,  39, 111, 117, 170,  74, 124,  94 } /* left = dc */,
+        {  56,  25,  33, 105, 112, 187,  95, 177, 129 } /* left = d45 */,
+        {  48,  31,  27, 114,  63, 183,  82, 116,  56 } /* left = d135 */,
+        {  43,  28,  37, 121,  63, 123,  61, 192, 169 } /* left = d117 */,
+        {  42,  17,  24, 109,  97, 177,  56,  76, 122 } /* left = d153 */,
+        {  46,  23,  32,  74,  86, 150,  67, 183,  88 } /* left = d63 */,
+        {  58,  18,  28, 105, 139, 182,  70,  92,  63 } /* left = d27 */,
+        {  36,  38,  48,  92, 122, 165,  88, 137,  91 } /* left = tm */
+    }, { /* above = d27 */
+        {  62,  44,  61, 123, 105, 189,  48,  57,  64 } /* left = v */,
+        {  47,  25,  17, 175, 222, 220,  24,  30,  86 } /* left = h */,
+        {  82,  22,  32, 127, 143, 213,  39,  41,  70 } /* left = dc */,
+        {  68,  36,  17, 106, 102, 206,  59,  74,  74 } /* left = d45 */,
+        {  57,  39,  23, 151,  68, 216,  55,  63,  58 } /* left = d135 */,
+        {  49,  30,  35, 141,  70, 168,  82,  40, 115 } /* left = d117 */,
+        {  51,  25,  15, 136, 129, 202,  38,  35, 139 } /* left = d153 */,
+        {  59,  39,  19, 114,  75, 180,  77, 104,  42 } /* left = d63 */,
+        {  68,  26,  16, 111, 141, 215,  29,  28,  28 } /* left = d27 */,
+        {  40,  61,  26, 126, 152, 206,  61,  59,  93 } /* left = tm */
+    }, { /* above = tm */
+        {  44,  78, 115, 132, 119, 173,  71, 112,  93 } /* left = v */,
+        {  39,  38,  21, 184, 227, 206,  42,  32,  64 } /* left = h */,
+        {  65,  70,  60, 155, 159, 199,  61,  60,  81 } /* left = dc */,
+        {  58,  47,  36, 124, 137, 193,  80,  82,  78 } /* left = d45 */,
+        {  49,  50,  35, 144,  95, 205,  63,  78,  59 } /* left = d135 */,
+        {  41,  53,  52, 148,  71, 142,  65, 128,  51 } /* left = d117 */,
+        {  40,  36,  28, 143, 143, 202,  40,  55, 137 } /* left = d153 */,
+        {  42,  44,  44, 104, 105, 164,  64, 130,  80 } /* left = d63 */,
+        {  52,  34,  29, 129, 183, 227,  42,  35,  43 } /* left = d27 */,
+        {  43,  81,  53, 140, 169, 204,  68,  84,  72 } /* left = tm */
+    }
+};
+
+const uint8_t ff_vp9_default_kf_uvmode_probs[10][9] = {
+    { 118,  15, 123, 148, 131, 101,  44,  93, 131 } /* y = v */,
+    { 113,  12,  23, 188, 226, 142,  26,  32, 125 } /* y = h */,
+    { 144,  11,  54, 157, 195, 130,  46,  58, 108 } /* y = dc */,
+    { 120,  11,  50, 123, 163, 135,  64,  77, 103 } /* y = d45 */,
+    { 113,   9,  36, 155, 111, 157,  32,  44, 161 } /* y = d135 */,
+    { 116,   9,  55, 176,  76,  96,  37,  61, 149 } /* y = d117 */,
+    { 115,   9,  28, 141, 161, 167,  21,  25, 193 } /* y = d153 */,
+    { 116,  12,  64, 120, 140, 125,  49, 115, 121 } /* y = d63 */,
+    { 120,  12,  32, 145, 195, 142,  32,  38,  86 } /* y = d27 */,
+    { 102,  19,  66, 162, 182, 122,  35,  59, 128 } /* y = tm */
+};
+
+const int8_t ff_vp9_inter_mode_tree[3][2] = {
+    { -ZEROMV, 1 },               // '0'
+        { -NEARESTMV, 2 },        // '10'
+            { -NEARMV, -NEWMV },  // '11x'
+};
+
+const int8_t ff_vp9_filter_tree[2][2] = {
+    { -0,  1 },     // '0'
+        { -1, -2 }, // '1x'
+};
+
+const enum FilterMode ff_vp9_filter_lut[3] = {
+    FILTER_8TAP_REGULAR,
+    FILTER_8TAP_SMOOTH,
+    FILTER_8TAP_SHARP,
+};
+
+const int16_t ff_vp9_dc_qlookup[3][256] = {
+    {
+            4,     8,     8,     9,    10,    11,    12,    12,
+           13,    14,    15,    16,    17,    18,    19,    19,
+           20,    21,    22,    23,    24,    25,    26,    26,
+           27,    28,    29,    30,    31,    32,    32,    33,
+           34,    35,    36,    37,    38,    38,    39,    40,
+           41,    42,    43,    43,    44,    45,    46,    47,
+           48,    48,    49,    50,    51,    52,    53,    53,
+           54,    55,    56,    57,    57,    58,    59,    60,
+           61,    62,    62,    63,    64,    65,    66,    66,
+           67,    68,    69,    70,    70,    71,    72,    73,
+           74,    74,    75,    76,    77,    78,    78,    79,
+           80,    81,    81,    82,    83,    84,    85,    85,
+           87,    88,    90,    92,    93,    95,    96,    98,
+           99,   101,   102,   104,   105,   107,   108,   110,
+          111,   113,   114,   116,   117,   118,   120,   121,
+          123,   125,   127,   129,   131,   134,   136,   138,
+          140,   142,   144,   146,   148,   150,   152,   154,
+          156,   158,   161,   164,   166,   169,   172,   174,
+          177,   180,   182,   185,   187,   190,   192,   195,
+          199,   202,   205,   208,   211,   214,   217,   220,
+          223,   226,   230,   233,   237,   240,   243,   247,
+          250,   253,   257,   261,   265,   269,   272,   276,
+          280,   284,   288,   292,   296,   300,   304,   309,
+          313,   317,   322,   326,   330,   335,   340,   344,
+          349,   354,   359,   364,   369,   374,   379,   384,
+          389,   395,   400,   406,   411,   417,   423,   429,
+          435,   441,   447,   454,   461,   467,   475,   482,
+          489,   497,   505,   513,   522,   530,   539,   549,
+          559,   569,   579,   590,   602,   614,   626,   640,
+          654,   668,   684,   700,   717,   736,   755,   775,
+          796,   819,   843,   869,   896,   925,   955,   988,
+         1022,  1058,  1098,  1139,  1184,  1232,  1282,  1336,
+    }, {
+            4,     9,    10,    13,    15,    17,    20,    22,
+           25,    28,    31,    34,    37,    40,    43,    47,
+           50,    53,    57,    60,    64,    68,    71,    75,
+           78,    82,    86,    90,    93,    97,   101,   105,
+          109,   113,   116,   120,   124,   128,   132,   136,
+          140,   143,   147,   151,   155,   159,   163,   166,
+          170,   174,   178,   182,   185,   189,   193,   197,
+          200,   204,   208,   212,   215,   219,   223,   226,
+          230,   233,   237,   241,   244,   248,   251,   255,
+          259,   262,   266,   269,   273,   276,   280,   283,
+          287,   290,   293,   297,   300,   304,   307,   310,
+          314,   317,   321,   324,   327,   331,   334,   337,
+          343,   350,   356,   362,   369,   375,   381,   387,
+          394,   400,   406,   412,   418,   424,   430,   436,
+          442,   448,   454,   460,   466,   472,   478,   484,
+          490,   499,   507,   516,   525,   533,   542,   550,
+          559,   567,   576,   584,   592,   601,   609,   617,
+          625,   634,   644,   655,   666,   676,   687,   698,
+          708,   718,   729,   739,   749,   759,   770,   782,
+          795,   807,   819,   831,   844,   856,   868,   880,
+          891,   906,   920,   933,   947,   961,   975,   988,
+         1001,  1015,  1030,  1045,  1061,  1076,  1090,  1105,
+         1120,  1137,  1153,  1170,  1186,  1202,  1218,  1236,
+         1253,  1271,  1288,  1306,  1323,  1342,  1361,  1379,
+         1398,  1416,  1436,  1456,  1476,  1496,  1516,  1537,
+         1559,  1580,  1601,  1624,  1647,  1670,  1692,  1717,
+         1741,  1766,  1791,  1817,  1844,  1871,  1900,  1929,
+         1958,  1990,  2021,  2054,  2088,  2123,  2159,  2197,
+         2236,  2276,  2319,  2363,  2410,  2458,  2508,  2561,
+         2616,  2675,  2737,  2802,  2871,  2944,  3020,  3102,
+         3188,  3280,  3375,  3478,  3586,  3702,  3823,  3953,
+         4089,  4236,  4394,  4559,  4737,  4929,  5130,  5347,
+    }, {
+            4,    12,    18,    25,    33,    41,    50,    60,
+           70,    80,    91,   103,   115,   127,   140,   153,
+          166,   180,   194,   208,   222,   237,   251,   266,
+          281,   296,   312,   327,   343,   358,   374,   390,
+          405,   421,   437,   453,   469,   484,   500,   516,
+          532,   548,   564,   580,   596,   611,   627,   643,
+          659,   674,   690,   706,   721,   737,   752,   768,
+          783,   798,   814,   829,   844,   859,   874,   889,
+          904,   919,   934,   949,   964,   978,   993,  1008,
+         1022,  1037,  1051,  1065,  1080,  1094,  1108,  1122,
+         1136,  1151,  1165,  1179,  1192,  1206,  1220,  1234,
+         1248,  1261,  1275,  1288,  1302,  1315,  1329,  1342,
+         1368,  1393,  1419,  1444,  1469,  1494,  1519,  1544,
+         1569,  1594,  1618,  1643,  1668,  1692,  1717,  1741,
+         1765,  1789,  1814,  1838,  1862,  1885,  1909,  1933,
+         1957,  1992,  2027,  2061,  2096,  2130,  2165,  2199,
+         2233,  2267,  2300,  2334,  2367,  2400,  2434,  2467,
+         2499,  2532,  2575,  2618,  2661,  2704,  2746,  2788,
+         2830,  2872,  2913,  2954,  2995,  3036,  3076,  3127,
+         3177,  3226,  3275,  3324,  3373,  3421,  3469,  3517,
+         3565,  3621,  3677,  3733,  3788,  3843,  3897,  3951,
+         4005,  4058,  4119,  4181,  4241,  4301,  4361,  4420,
+         4479,  4546,  4612,  4677,  4742,  4807,  4871,  4942,
+         5013,  5083,  5153,  5222,  5291,  5367,  5442,  5517,
+         5591,  5665,  5745,  5825,  5905,  5984,  6063,  6149,
+         6234,  6319,  6404,  6495,  6587,  6678,  6769,  6867,
+         6966,  7064,  7163,  7269,  7376,  7483,  7599,  7715,
+         7832,  7958,  8085,  8214,  8352,  8492,  8635,  8788,
+         8945,  9104,  9275,  9450,  9639,  9832, 10031, 10245,
+        10465, 10702, 10946, 11210, 11482, 11776, 12081, 12409,
+        12750, 13118, 13501, 13913, 14343, 14807, 15290, 15812,
+        16356, 16943, 17575, 18237, 18949, 19718, 20521, 21387,
+    }
+};
+
+const int16_t ff_vp9_ac_qlookup[3][256] = {
+    {
+            4,     8,     9,    10,    11,    12,    13,    14,
+           15,    16,    17,    18,    19,    20,    21,    22,
+           23,    24,    25,    26,    27,    28,    29,    30,
+           31,    32,    33,    34,    35,    36,    37,    38,
+           39,    40,    41,    42,    43,    44,    45,    46,
+           47,    48,    49,    50,    51,    52,    53,    54,
+           55,    56,    57,    58,    59,    60,    61,    62,
+           63,    64,    65,    66,    67,    68,    69,    70,
+           71,    72,    73,    74,    75,    76,    77,    78,
+           79,    80,    81,    82,    83,    84,    85,    86,
+           87,    88,    89,    90,    91,    92,    93,    94,
+           95,    96,    97,    98,    99,   100,   101,   102,
+          104,   106,   108,   110,   112,   114,   116,   118,
+          120,   122,   124,   126,   128,   130,   132,   134,
+          136,   138,   140,   142,   144,   146,   148,   150,
+          152,   155,   158,   161,   164,   167,   170,   173,
+          176,   179,   182,   185,   188,   191,   194,   197,
+          200,   203,   207,   211,   215,   219,   223,   227,
+          231,   235,   239,   243,   247,   251,   255,   260,
+          265,   270,   275,   280,   285,   290,   295,   300,
+          305,   311,   317,   323,   329,   335,   341,   347,
+          353,   359,   366,   373,   380,   387,   394,   401,
+          408,   416,   424,   432,   440,   448,   456,   465,
+          474,   483,   492,   501,   510,   520,   530,   540,
+          550,   560,   571,   582,   593,   604,   615,   627,
+          639,   651,   663,   676,   689,   702,   715,   729,
+          743,   757,   771,   786,   801,   816,   832,   848,
+          864,   881,   898,   915,   933,   951,   969,   988,
+         1007,  1026,  1046,  1066,  1087,  1108,  1129,  1151,
+         1173,  1196,  1219,  1243,  1267,  1292,  1317,  1343,
+         1369,  1396,  1423,  1451,  1479,  1508,  1537,  1567,
+         1597,  1628,  1660,  1692,  1725,  1759,  1793,  1828,
+    }, {
+            4,     9,    11,    13,    16,    18,    21,    24,
+           27,    30,    33,    37,    40,    44,    48,    51,
+           55,    59,    63,    67,    71,    75,    79,    83,
+           88,    92,    96,   100,   105,   109,   114,   118,
+          122,   127,   131,   136,   140,   145,   149,   154,
+          158,   163,   168,   172,   177,   181,   186,   190,
+          195,   199,   204,   208,   213,   217,   222,   226,
+          231,   235,   240,   244,   249,   253,   258,   262,
+          267,   271,   275,   280,   284,   289,   293,   297,
+          302,   306,   311,   315,   319,   324,   328,   332,
+          337,   341,   345,   349,   354,   358,   362,   367,
+          371,   375,   379,   384,   388,   392,   396,   401,
+          409,   417,   425,   433,   441,   449,   458,   466,
+          474,   482,   490,   498,   506,   514,   523,   531,
+          539,   547,   555,   563,   571,   579,   588,   596,
+          604,   616,   628,   640,   652,   664,   676,   688,
+          700,   713,   725,   737,   749,   761,   773,   785,
+          797,   809,   825,   841,   857,   873,   889,   905,
+          922,   938,   954,   970,   986,  1002,  1018,  1038,
+         1058,  1078,  1098,  1118,  1138,  1158,  1178,  1198,
+         1218,  1242,  1266,  1290,  1314,  1338,  1362,  1386,
+         1411,  1435,  1463,  1491,  1519,  1547,  1575,  1603,
+         1631,  1663,  1695,  1727,  1759,  1791,  1823,  1859,
+         1895,  1931,  1967,  2003,  2039,  2079,  2119,  2159,
+         2199,  2239,  2283,  2327,  2371,  2415,  2459,  2507,
+         2555,  2603,  2651,  2703,  2755,  2807,  2859,  2915,
+         2971,  3027,  3083,  3143,  3203,  3263,  3327,  3391,
+         3455,  3523,  3591,  3659,  3731,  3803,  3876,  3952,
+         4028,  4104,  4184,  4264,  4348,  4432,  4516,  4604,
+         4692,  4784,  4876,  4972,  5068,  5168,  5268,  5372,
+         5476,  5584,  5692,  5804,  5916,  6032,  6148,  6268,
+         6388,  6512,  6640,  6768,  6900,  7036,  7172,  7312,
+    }, {
+            4,    13,    19,    27,    35,    44,    54,    64,
+           75,    87,    99,   112,   126,   139,   154,   168,
+          183,   199,   214,   230,   247,   263,   280,   297,
+          314,   331,   349,   366,   384,   402,   420,   438,
+          456,   475,   493,   511,   530,   548,   567,   586,
+          604,   623,   642,   660,   679,   698,   716,   735,
+          753,   772,   791,   809,   828,   846,   865,   884,
+          902,   920,   939,   957,   976,   994,  1012,  1030,
+         1049,  1067,  1085,  1103,  1121,  1139,  1157,  1175,
+         1193,  1211,  1229,  1246,  1264,  1282,  1299,  1317,
+         1335,  1352,  1370,  1387,  1405,  1422,  1440,  1457,
+         1474,  1491,  1509,  1526,  1543,  1560,  1577,  1595,
+         1627,  1660,  1693,  1725,  1758,  1791,  1824,  1856,
+         1889,  1922,  1954,  1987,  2020,  2052,  2085,  2118,
+         2150,  2183,  2216,  2248,  2281,  2313,  2346,  2378,
+         2411,  2459,  2508,  2556,  2605,  2653,  2701,  2750,
+         2798,  2847,  2895,  2943,  2992,  3040,  3088,  3137,
+         3185,  3234,  3298,  3362,  3426,  3491,  3555,  3619,
+         3684,  3748,  3812,  3876,  3941,  4005,  4069,  4149,
+         4230,  4310,  4390,  4470,  4550,  4631,  4711,  4791,
+         4871,  4967,  5064,  5160,  5256,  5352,  5448,  5544,
+         5641,  5737,  5849,  5961,  6073,  6185,  6297,  6410,
+         6522,  6650,  6778,  6906,  7034,  7162,  7290,  7435,
+         7579,  7723,  7867,  8011,  8155,  8315,  8475,  8635,
+         8795,  8956,  9132,  9308,  9484,  9660,  9836, 10028,
+        10220, 10412, 10604, 10812, 11020, 11228, 11437, 11661,
+        11885, 12109, 12333, 12573, 12813, 13053, 13309, 13565,
+        13821, 14093, 14365, 14637, 14925, 15213, 15502, 15806,
+        16110, 16414, 16734, 17054, 17390, 17726, 18062, 18414,
+        18766, 19134, 19502, 19886, 20270, 20670, 21070, 21486,
+        21902, 22334, 22766, 23214, 23662, 24126, 24590, 25070,
+        25551, 26047, 26559, 27071, 27599, 28143, 28687, 29247,
+    }
+};
+
+const enum TxfmType ff_vp9_intra_txfm_type[14] = {
+    [VERT_PRED]            = ADST_DCT,
+    [HOR_PRED]             = DCT_ADST,
+    [DC_PRED]              = DCT_DCT,
+    [DIAG_DOWN_LEFT_PRED]  = DCT_DCT,
+    [DIAG_DOWN_RIGHT_PRED] = ADST_ADST,
+    [VERT_RIGHT_PRED]      = ADST_DCT,
+    [HOR_DOWN_PRED]        = DCT_ADST,
+    [VERT_LEFT_PRED]       = ADST_DCT,
+    [HOR_UP_PRED]          = DCT_ADST,
+    [TM_VP8_PRED]          = ADST_ADST,
+    [NEARESTMV]            = DCT_DCT,
+    [NEARMV]               = DCT_DCT,
+    [ZEROMV]               = DCT_DCT,
+    [NEWMV]                = DCT_DCT,
+};
+
+const int16_t ff_vp9_default_scan_4x4[16] = {
+     0,  1,  4,  5,
+     2,  8,  3,  6,
+    12,  9,  7, 10,
+    13, 11, 14, 15,
+};
+
+const int16_t ff_vp9_col_scan_4x4[16] = {
+     0,  1,  2,  4,
+     3,  5,  6,  8,
+     7,  9, 10, 12,
+    13, 11, 14, 15,
+};
+
+const int16_t ff_vp9_row_scan_4x4[16] = {
+     0,  4,  1,  8,
+     5, 12,  9,  2,
+     6, 13,  3, 10,
+     7, 14, 11, 15,
+};
+
+const int16_t ff_vp9_default_scan_8x8[64] = {
+     0,  1,  8,  2,  9, 16, 10,  3,
+    17, 24, 18, 11,  4, 25, 32, 19,
+    12, 26,  5, 33, 20, 27, 40, 13,
+    34,  6, 41, 28, 21, 35, 42, 48,
+    14,  7, 36, 29, 43, 56, 49, 22,
+    15, 37, 50, 44, 57, 30, 23, 51,
+    45, 58, 38, 31, 52, 59, 39, 46,
+    53, 60, 47, 54, 61, 55, 62, 63,
+};
+
+const int16_t ff_vp9_col_scan_8x8[64] = {
+     0,  1,  2,  8,  3,  9,  4, 10,
+    16,  5, 11, 17, 12, 18,  6, 24,
+    19, 13, 25,  7, 26, 20, 32, 14,
+    27, 21, 33, 28, 34, 15, 22, 35,
+    40, 29, 41, 36, 23, 30, 42, 37,
+    48, 43, 31, 44, 49, 38, 50, 56,
+    45, 39, 51, 57, 52, 46, 58, 53,
+    59, 47, 60, 54, 61, 55, 62, 63,
+};
+
+const int16_t ff_vp9_row_scan_8x8[64] = {
+     0,  8, 16,  1,  9, 24,  2, 17,
+    32, 10, 25,  3, 40, 18, 11, 33,
+    26, 19,  4, 48, 41, 34, 12, 27,
+    56, 20,  5, 42, 35, 13, 49, 28,
+     6, 21, 43, 36, 14, 50, 29, 57,
+     7, 44, 22, 37, 51, 15, 58, 30,
+    23, 45, 52, 38, 59, 31, 46, 53,
+    39, 60, 47, 61, 54, 62, 55, 63,
+};
+
+const int16_t ff_vp9_default_scan_16x16[256] = {
+      0,   1,  16,   2,  17,  32,   3,  18,  33,  48,   4,  34,  19,  49,  20,   5,
+     35,  64,  50,  36,  65,  21,   6,  51,  80,  66,  37,  22,  52,   7,  81,  67,
+     38,  82,  53,  23,  96,  68,   8,  83,  97,  54,  39,  69, 112,  24,  98,  84,
+     70,  55,   9,  40,  85,  99, 113, 128,  25, 114, 100,  71,  86,  56,  10,  41,
+    115, 101, 129, 116,  72,  87,  26, 130, 144, 102,  57,  11,  42, 117, 131, 145,
+     88, 103,  27,  73, 132, 118, 146,  58, 160,  12,  43, 133, 147, 104,  89, 119,
+    161,  74, 148, 134,  28, 162,  59,  13, 176, 120, 149,  90, 135, 105, 163,  44,
+     75, 177, 164,  29, 150, 121, 136, 178, 165,  14, 106,  60,  91, 151,  45, 179,
+    192, 137, 166, 122,  76, 180, 152,  30,  61,  15, 107, 167, 181, 193,  92, 208,
+     46, 138, 123, 153, 194,  77, 168, 182,  31, 195, 209, 183, 108, 139,  62, 154,
+     47, 196,  93, 169, 210, 197, 224, 124, 184, 211,  78, 109, 170, 155,  63, 198,
+    212, 185, 225, 240, 140,  94, 199, 125,  79, 213, 226, 171, 186, 156, 214, 200,
+    110, 227, 141,  95, 241, 215, 228, 201, 126, 242, 187, 172, 157, 229, 111, 216,
+    243, 142, 202, 230, 127, 217, 244, 173, 188, 231, 158, 203, 143, 245, 218, 232,
+    189, 246, 159, 174, 233, 247, 219, 204, 175, 190, 248, 234, 205, 220, 249, 191,
+    235, 221, 250, 206, 222, 251, 236, 207, 237, 223, 252, 238, 253, 239, 254, 255,
+};
+
+const int16_t ff_vp9_col_scan_16x16[256] = {
+      0,   1,   2,   3,  16,   4,  17,   5,  18,   6,  19,  32,  20,   7,  33,  21,
+     34,   8,  35,  22,  48,  36,   9,  49,  23,  50,  37,  10,  38,  51,  24,  64,
+     52,  11,  65,  39,  25,  53,  66,  54,  40,  67,  12,  80,  26,  68,  55,  81,
+     41,  69,  13,  27,  82,  56,  70,  83,  42,  14,  84,  96,  71,  28,  57,  85,
+     97,  15,  72,  98,  43,  86,  58,  99,  29,  87, 100, 112,  73,  44, 101,  59,
+     30, 113,  88, 114,  74, 128, 102,  45,  31, 115,  60, 103,  89, 116,  75, 129,
+    117,  46, 104,  90,  61, 130, 118, 131, 132, 105,  76,  47, 119, 144,  91,  62,
+    133, 106, 145, 120, 146, 134,  77, 147, 121,  92, 135, 148,  63, 107, 136, 122,
+     93, 149, 160,  78, 150, 137, 108, 161, 162, 151, 123,  79, 138, 163, 152,  94,
+    164, 109, 165, 153, 124, 139, 176, 166,  95, 177, 167, 110, 154, 178, 125, 179,
+    140, 168, 155, 111, 180, 192, 181, 169, 141, 126, 182, 193, 194, 156, 183, 170,
+    195, 127, 142, 196, 184, 208, 197, 157, 171, 143, 185, 198, 209, 199, 210, 172,
+    158, 186, 211, 224, 212, 200, 240, 159, 213, 225, 187, 201, 173, 226, 214, 215,
+    227, 202, 228, 188, 241, 216, 174, 229, 242, 203, 243, 217, 230, 175, 189, 244,
+    231, 204, 218, 232, 245, 219, 246, 190, 233, 205, 191, 247, 234, 248, 220, 206,
+    249, 235, 221, 207, 250, 236, 222, 251, 223, 237, 238, 252, 239, 253, 254, 255,
+};
+
+const int16_t ff_vp9_row_scan_16x16[256] = {
+      0,  16,  32,   1,  48,  17,  64,  33,   2,  80,  18,  49,  96,  34,   3,  65,
+     19, 112,  50,  81,  35,   4, 128,  66,  20,  97,  51,  82,   5, 144,  36,  67,
+    113,  98,  21,  52, 160,  83, 129,  37,  68,   6, 114, 176,  99,  53,  22,  84,
+    145,  38,  69, 130,   7, 115, 192, 100,  54,  23,  85, 161, 146, 131,  39,  70,
+    208, 116,   8, 101, 177,  55,  86,  24, 162, 147, 132,  71, 224, 117,  40, 102,
+      9, 148,  56,  87, 193, 163, 240, 133, 178,  25, 118,  72,  41, 103, 164,  10,
+    149,  88, 134, 209, 179,  57, 119, 194,  26,  73, 165, 150, 104,  42, 135,  11,
+    180, 120,  89, 225, 195,  58,  27, 210, 151, 181, 166,  74,  43, 105,  12, 136,
+     90,  59, 241, 121,  28, 196, 167, 211, 152,  44, 182, 137,  75,  13, 226, 106,
+    122,  60, 197,  91, 168,  29, 183, 153,  14,  76, 212, 138,  45, 107,  15, 198,
+     92, 227, 169,  30, 123, 154,  61, 242, 184, 213, 139,  46,  77,  31, 108, 170,
+    199, 185, 124, 228,  93, 155, 214,  62, 140, 243,  78,  47, 200, 109, 186, 171,
+    201,  94,  63, 215, 229, 156,  79, 125, 141, 110, 216, 187, 172, 244, 202, 230,
+    217,  95, 157, 126, 245, 111, 142, 231, 188, 127, 158, 218, 173, 232, 246, 233,
+    203, 143, 247, 174, 189, 159, 219, 204, 248, 234, 249, 175, 190, 220, 205, 250,
+    235, 191, 221, 251, 236, 206, 252, 222, 207, 237, 223, 253, 238, 254, 239, 255,
+};
+
+const int16_t ff_vp9_default_scan_32x32[1024] = {
+       0,    1,   32,    2,   33,   64,    3,   34,   65,    4,   96,   35,   66,    5,   36,   97,   67,  128,   98,   68,   37,    6,  129,   99,    7,  160,   69,   38,  130,  100,  161,  131,
+      39,   70,    8,  101,  162,  132,  192,   71,   40,    9,  102,  163,  133,  193,   72,  224,  103,   41,  164,   10,  194,  134,  165,   73,  104,  135,  225,   42,  195,   11,  256,  166,
+     226,  196,   74,  105,  136,   43,   12,  167,  197,  227,  257,   75,  106,  137,  228,   44,  198,  168,  258,  288,   13,  229,   76,  107,  199,  138,  259,  169,  289,   45,  230,  260,
+     200,  108,   14,  170,  139,  320,  290,   77,  231,  261,   46,  201,  140,  291,  109,  232,  321,  262,  171,   78,  292,   15,  322,  202,  263,  352,  172,  293,  233,  141,  323,  110,
+      47,  203,  264,  234,  294,  353,  324,   16,   79,  204,  265,  295,  325,  173,  354,  142,  235,  384,   48,  296,  111,  266,  355,  326,   80,   17,  205,  236,  174,  356,  385,  327,
+     143,  297,  267,  357,  386,  112,   49,  328,  298,  206,  416,  237,  358,  387,   81,  175,   18,  329,  359,  388,  299,  330,  389,  113,  417,  238,  360,   50,  207,  418,  390,  331,
+      19,  448,  361,   82,  419,  391,  239,   51,  362,  420,  114,  449,  480,  421,   83,  363,  450,  422,  512,  451,  423,  115,  452,  481,  453,  482,  454,  544,  483,  455,  513,  484,
+     514,  485,  515,  486,  545,  576,  487,  546,  547,  608,  577,  578,  579,  609,  610,  611,   20,  144,  268,  392,  516,  640,   21,   52,  145,  176,  269,  300,  393,  424,  517,  548,
+     641,  672,   22,   53,   84,  146,  177,  208,  270,  301,  332,  394,  425,  456,  518,  549,  580,  642,  673,  704,   23,   54,   85,  116,  147,  178,  209,  240,  271,  302,  333,  364,
+     395,  426,  457,  488,  519,  550,  581,  612,  643,  674,  705,  736,   55,   86,  117,  179,  210,  241,  303,  334,  365,  427,  458,  489,  551,  582,  613,  675,  706,  737,   87,  118,
+     211,  242,  335,  366,  459,  490,  583,  614,  707,  738,  119,  243,  367,  491,  615,  739,   24,  148,  272,  396,  520,  644,  768,   25,   56,  149,  180,  273,  304,  397,  428,  521,
+     552,  645,  676,  769,  800,   26,   57,   88,  150,  181,  212,  274,  305,  336,  398,  429,  460,  522,  553,  584,  646,  677,  708,  770,  801,  832,   27,   58,   89,  120,  151,  182,
+     213,  244,  275,  306,  337,  368,  399,  430,  461,  492,  523,  554,  585,  616,  647,  678,  709,  740,  771,  802,  833,  864,   59,   90,  121,  183,  214,  245,  307,  338,  369,  431,
+     462,  493,  555,  586,  617,  679,  710,  741,  803,  834,  865,   91,  122,  215,  246,  339,  370,  463,  494,  587,  618,  711,  742,  835,  866,  123,  247,  371,  495,  619,  743,  867,
+      28,  152,  276,  400,  524,  648,  772,  896,   29,   60,  153,  184,  277,  308,  401,  432,  525,  556,  649,  680,  773,  804,  897,  928,   30,   61,   92,  154,  185,  216,  278,  309,
+     340,  402,  433,  464,  526,  557,  588,  650,  681,  712,  774,  805,  836,  898,  929,  960,   31,   62,   93,  124,  155,  186,  217,  248,  279,  310,  341,  372,  403,  434,  465,  496,
+     527,  558,  589,  620,  651,  682,  713,  744,  775,  806,  837,  868,  899,  930,  961,  992,   63,   94,  125,  187,  218,  249,  311,  342,  373,  435,  466,  497,  559,  590,  621,  683,
+     714,  745,  807,  838,  869,  931,  962,  993,   95,  126,  219,  250,  343,  374,  467,  498,  591,  622,  715,  746,  839,  870,  963,  994,  127,  251,  375,  499,  623,  747,  871,  995,
+     156,  280,  404,  528,  652,  776,  900,  157,  188,  281,  312,  405,  436,  529,  560,  653,  684,  777,  808,  901,  932,  158,  189,  220,  282,  313,  344,  406,  437,  468,  530,  561,
+     592,  654,  685,  716,  778,  809,  840,  902,  933,  964,  159,  190,  221,  252,  283,  314,  345,  376,  407,  438,  469,  500,  531,  562,  593,  624,  655,  686,  717,  748,  779,  810,
+     841,  872,  903,  934,  965,  996,  191,  222,  253,  315,  346,  377,  439,  470,  501,  563,  594,  625,  687,  718,  749,  811,  842,  873,  935,  966,  997,  223,  254,  347,  378,  471,
+     502,  595,  626,  719,  750,  843,  874,  967,  998,  255,  379,  503,  627,  751,  875,  999,  284,  408,  532,  656,  780,  904,  285,  316,  409,  440,  533,  564,  657,  688,  781,  812,
+     905,  936,  286,  317,  348,  410,  441,  472,  534,  565,  596,  658,  689,  720,  782,  813,  844,  906,  937,  968,  287,  318,  349,  380,  411,  442,  473,  504,  535,  566,  597,  628,
+     659,  690,  721,  752,  783,  814,  845,  876,  907,  938,  969, 1000,  319,  350,  381,  443,  474,  505,  567,  598,  629,  691,  722,  753,  815,  846,  877,  939,  970, 1001,  351,  382,
+     475,  506,  599,  630,  723,  754,  847,  878,  971, 1002,  383,  507,  631,  755,  879, 1003,  412,  536,  660,  784,  908,  413,  444,  537,  568,  661,  692,  785,  816,  909,  940,  414,
+     445,  476,  538,  569,  600,  662,  693,  724,  786,  817,  848,  910,  941,  972,  415,  446,  477,  508,  539,  570,  601,  632,  663,  694,  725,  756,  787,  818,  849,  880,  911,  942,
+     973, 1004,  447,  478,  509,  571,  602,  633,  695,  726,  757,  819,  850,  881,  943,  974, 1005,  479,  510,  603,  634,  727,  758,  851,  882,  975, 1006,  511,  635,  759,  883, 1007,
+     540,  664,  788,  912,  541,  572,  665,  696,  789,  820,  913,  944,  542,  573,  604,  666,  697,  728,  790,  821,  852,  914,  945,  976,  543,  574,  605,  636,  667,  698,  729,  760,
+     791,  822,  853,  884,  915,  946,  977, 1008,  575,  606,  637,  699,  730,  761,  823,  854,  885,  947,  978, 1009,  607,  638,  731,  762,  855,  886,  979, 1010,  639,  763,  887, 1011,
+     668,  792,  916,  669,  700,  793,  824,  917,  948,  670,  701,  732,  794,  825,  856,  918,  949,  980,  671,  702,  733,  764,  795,  826,  857,  888,  919,  950,  981, 1012,  703,  734,
+     765,  827,  858,  889,  951,  982, 1013,  735,  766,  859,  890,  983, 1014,  767,  891, 1015,  796,  920,  797,  828,  921,  952,  798,  829,  860,  922,  953,  984,  799,  830,  861,  892,
+     923,  954,  985, 1016,  831,  862,  893,  955,  986, 1017,  863,  894,  987, 1018,  895, 1019,  924,  925,  956,  926,  957,  988,  927,  958,  989, 1020,  959,  990, 1021,  991, 1022, 1023,
+};
+
+const int16_t * const ff_vp9_scans[5][4] = {
+    {
+        ff_vp9_default_scan_4x4, ff_vp9_col_scan_4x4,
+        ff_vp9_row_scan_4x4, ff_vp9_default_scan_4x4
+    }, {
+        ff_vp9_default_scan_8x8, ff_vp9_col_scan_8x8,
+        ff_vp9_row_scan_8x8, ff_vp9_default_scan_8x8
+    }, {
+        ff_vp9_default_scan_16x16, ff_vp9_col_scan_16x16,
+        ff_vp9_row_scan_16x16, ff_vp9_default_scan_16x16
+    }, {
+        ff_vp9_default_scan_32x32, ff_vp9_default_scan_32x32,
+        ff_vp9_default_scan_32x32, ff_vp9_default_scan_32x32
+    }, { // lossless
+        ff_vp9_default_scan_4x4, ff_vp9_default_scan_4x4,
+        ff_vp9_default_scan_4x4, ff_vp9_default_scan_4x4
+    }
+};
+
+const int16_t ff_vp9_default_scan_4x4_nb[16][2] = {
+    {  0,  0 }, {  0,  0 }, {  4,  1 }, {  1,  1 },
+    {  4,  4 }, {  2,  2 }, {  5,  2 }, {  8,  8 },
+    {  8,  5 }, {  6,  3 }, {  9,  6 }, { 12,  9 },
+    { 10,  7 }, { 13, 10 }, { 14, 11 }, {  0,  0 },
+};
+
+const int16_t ff_vp9_col_scan_4x4_nb[16][2] = {
+    {  0,  0 }, {  1,  1 }, {  0,  0 }, {  2,  2 },
+    {  4,  4 }, {  5,  5 }, {  4,  4 }, {  6,  6 },
+    {  8,  8 }, {  9,  9 }, {  8,  8 }, { 12, 12 },
+    { 10, 10 }, { 13, 13 }, { 14, 14 }, {  0,  0 },
+};
+
+const int16_t ff_vp9_row_scan_4x4_nb[16][2] = {
+    {  0,  0 }, {  0,  0 }, {  4,  4 }, {  1,  1 },
+    {  8,  8 }, {  5,  5 }, {  1,  1 }, {  2,  2 },
+    {  9,  9 }, {  2,  2 }, {  6,  6 }, {  3,  3 },
+    { 10, 10 }, {  7,  7 }, { 11, 11 }, {  0,  0 },
+};
+
+const int16_t ff_vp9_default_scan_8x8_nb[64][2] = {
+    {  0,  0 }, {  0,  0 }, {  1,  1 }, {  8,  1 },
+    {  8,  8 }, {  9,  2 }, {  2,  2 }, { 16,  9 },
+    { 16, 16 }, { 17, 10 }, { 10,  3 }, {  3,  3 },
+    { 24, 17 }, { 24, 24 }, { 18, 11 }, { 11,  4 },
+    { 25, 18 }, {  4,  4 }, { 32, 25 }, { 19, 12 },
+    { 26, 19 }, { 32, 32 }, { 12,  5 }, { 33, 26 },
+    {  5,  5 }, { 40, 33 }, { 27, 20 }, { 20, 13 },
+    { 34, 27 }, { 41, 34 }, { 40, 40 }, { 13,  6 },
+    {  6,  6 }, { 35, 28 }, { 28, 21 }, { 42, 35 },
+    { 48, 48 }, { 48, 41 }, { 21, 14 }, { 14,  7 },
+    { 36, 29 }, { 49, 42 }, { 43, 36 }, { 56, 49 },
+    { 29, 22 }, { 22, 15 }, { 50, 43 }, { 44, 37 },
+    { 57, 50 }, { 37, 30 }, { 30, 23 }, { 51, 44 },
+    { 58, 51 }, { 38, 31 }, { 45, 38 }, { 52, 45 },
+    { 59, 52 }, { 46, 39 }, { 53, 46 }, { 60, 53 },
+    { 54, 47 }, { 61, 54 }, { 62, 55 }, {  0,  0 },
+};
+
+const int16_t ff_vp9_col_scan_8x8_nb[64][2] = {
+    {  0,  0 }, {  1,  1 }, {  0,  0 }, {  2,  2 },
+    {  8,  8 }, {  3,  3 }, {  9,  9 }, {  8,  8 },
+    {  4,  4 }, { 10, 10 }, { 16, 16 }, { 11, 11 },
+    { 17, 17 }, {  5,  5 }, { 16, 16 }, { 18, 18 },
+    { 12, 12 }, { 24, 24 }, {  6,  6 }, { 25, 25 },
+    { 19, 19 }, { 24, 24 }, { 13, 13 }, { 26, 26 },
+    { 20, 20 }, { 32, 32 }, { 27, 27 }, { 33, 33 },
+    { 14, 14 }, { 21, 21 }, { 34, 34 }, { 32, 32 },
+    { 28, 28 }, { 40, 40 }, { 35, 35 }, { 22, 22 },
+    { 29, 29 }, { 41, 41 }, { 36, 36 }, { 40, 40 },
+    { 42, 42 }, { 30, 30 }, { 43, 43 }, { 48, 48 },
+    { 37, 37 }, { 49, 49 }, { 48, 48 }, { 44, 44 },
+    { 38, 38 }, { 50, 50 }, { 56, 56 }, { 51, 51 },
+    { 45, 45 }, { 57, 57 }, { 52, 52 }, { 58, 58 },
+    { 46, 46 }, { 59, 59 }, { 53, 53 }, { 60, 60 },
+    { 54, 54 }, { 61, 61 }, { 62, 62 }, {  0,  0 },
+};
+
+const int16_t ff_vp9_row_scan_8x8_nb[64][2] = {
+    {  0,  0 }, {  8,  8 }, {  0,  0 }, {  1,  1 },
+    { 16, 16 }, {  1,  1 }, {  9,  9 }, { 24, 24 },
+    {  2,  2 }, { 17, 17 }, {  2,  2 }, { 32, 32 },
+    { 10, 10 }, {  3,  3 }, { 25, 25 }, { 18, 18 },
+    { 11, 11 }, {  3,  3 }, { 40, 40 }, { 33, 33 },
+    { 26, 26 }, {  4,  4 }, { 19, 19 }, { 48, 48 },
+    { 12, 12 }, {  4,  4 }, { 34, 34 }, { 27, 27 },
+    {  5,  5 }, { 41, 41 }, { 20, 20 }, {  5,  5 },
+    { 13, 13 }, { 35, 35 }, { 28, 28 }, {  6,  6 },
+    { 42, 42 }, { 21, 21 }, { 49, 49 }, {  6,  6 },
+    { 36, 36 }, { 14, 14 }, { 29, 29 }, { 43, 43 },
+    {  7,  7 }, { 50, 50 }, { 22, 22 }, { 15, 15 },
+    { 37, 37 }, { 44, 44 }, { 30, 30 }, { 51, 51 },
+    { 23, 23 }, { 38, 38 }, { 45, 45 }, { 31, 31 },
+    { 52, 52 }, { 39, 39 }, { 53, 53 }, { 46, 46 },
+    { 54, 54 }, { 47, 47 }, { 55, 55 }, {  0,  0 },
+};
+
+const int16_t ff_vp9_default_scan_16x16_nb[256][2] = {
+    {   0,   0 }, {   0,   0 }, {   1,   1 }, {  16,   1 },
+    {  16,  16 }, {   2,   2 }, {  17,   2 }, {  32,  17 },
+    {  32,  32 }, {   3,   3 }, {  33,  18 }, {  18,   3 },
+    {  48,  33 }, {  19,   4 }, {   4,   4 }, {  34,  19 },
+    {  48,  48 }, {  49,  34 }, {  35,  20 }, {  64,  49 },
+    {  20,   5 }, {   5,   5 }, {  50,  35 }, {  64,  64 },
+    {  65,  50 }, {  36,  21 }, {  21,   6 }, {  51,  36 },
+    {   6,   6 }, {  80,  65 }, {  66,  51 }, {  37,  22 },
+    {  81,  66 }, {  52,  37 }, {  22,   7 }, {  80,  80 },
+    {  67,  52 }, {   7,   7 }, {  82,  67 }, {  96,  81 },
+    {  53,  38 }, {  38,  23 }, {  68,  53 }, {  96,  96 },
+    {  23,   8 }, {  97,  82 }, {  83,  68 }, {  69,  54 },
+    {  54,  39 }, {   8,   8 }, {  39,  24 }, {  84,  69 },
+    {  98,  83 }, { 112,  97 }, { 112, 112 }, {  24,   9 },
+    { 113,  98 }, {  99,  84 }, {  70,  55 }, {  85,  70 },
+    {  55,  40 }, {   9,   9 }, {  40,  25 }, { 114,  99 },
+    { 100,  85 }, { 128, 113 }, { 115, 100 }, {  71,  56 },
+    {  86,  71 }, {  25,  10 }, { 129, 114 }, { 128, 128 },
+    { 101,  86 }, {  56,  41 }, {  10,  10 }, {  41,  26 },
+    { 116, 101 }, { 130, 115 }, { 144, 129 }, {  87,  72 },
+    { 102,  87 }, {  26,  11 }, {  72,  57 }, { 131, 116 },
+    { 117, 102 }, { 145, 130 }, {  57,  42 }, { 144, 144 },
+    {  11,  11 }, {  42,  27 }, { 132, 117 }, { 146, 131 },
+    { 103,  88 }, {  88,  73 }, { 118, 103 }, { 160, 145 },
+    {  73,  58 }, { 147, 132 }, { 133, 118 }, {  27,  12 },
+    { 161, 146 }, {  58,  43 }, {  12,  12 }, { 160, 160 },
+    { 119, 104 }, { 148, 133 }, {  89,  74 }, { 134, 119 },
+    { 104,  89 }, { 162, 147 }, {  43,  28 }, {  74,  59 },
+    { 176, 161 }, { 163, 148 }, {  28,  13 }, { 149, 134 },
+    { 120, 105 }, { 135, 120 }, { 177, 162 }, { 164, 149 },
+    {  13,  13 }, { 105,  90 }, {  59,  44 }, {  90,  75 },
+    { 150, 135 }, {  44,  29 }, { 178, 163 }, { 176, 176 },
+    { 136, 121 }, { 165, 150 }, { 121, 106 }, {  75,  60 },
+    { 179, 164 }, { 151, 136 }, {  29,  14 }, {  60,  45 },
+    {  14,  14 }, { 106,  91 }, { 166, 151 }, { 180, 165 },
+    { 192, 177 }, {  91,  76 }, { 192, 192 }, {  45,  30 },
+    { 137, 122 }, { 122, 107 }, { 152, 137 }, { 193, 178 },
+    {  76,  61 }, { 167, 152 }, { 181, 166 }, {  30,  15 },
+    { 194, 179 }, { 208, 193 }, { 182, 167 }, { 107,  92 },
+    { 138, 123 }, {  61,  46 }, { 153, 138 }, {  46,  31 },
+    { 195, 180 }, {  92,  77 }, { 168, 153 }, { 209, 194 },
+    { 196, 181 }, { 208, 208 }, { 123, 108 }, { 183, 168 },
+    { 210, 195 }, {  77,  62 }, { 108,  93 }, { 169, 154 },
+    { 154, 139 }, {  62,  47 }, { 197, 182 }, { 211, 196 },
+    { 184, 169 }, { 224, 209 }, { 224, 224 }, { 139, 124 },
+    {  93,  78 }, { 198, 183 }, { 124, 109 }, {  78,  63 },
+    { 212, 197 }, { 225, 210 }, { 170, 155 }, { 185, 170 },
+    { 155, 140 }, { 213, 198 }, { 199, 184 }, { 109,  94 },
+    { 226, 211 }, { 140, 125 }, {  94,  79 }, { 240, 225 },
+    { 214, 199 }, { 227, 212 }, { 200, 185 }, { 125, 110 },
+    { 241, 226 }, { 186, 171 }, { 171, 156 }, { 156, 141 },
+    { 228, 213 }, { 110,  95 }, { 215, 200 }, { 242, 227 },
+    { 141, 126 }, { 201, 186 }, { 229, 214 }, { 126, 111 },
+    { 216, 201 }, { 243, 228 }, { 172, 157 }, { 187, 172 },
+    { 230, 215 }, { 157, 142 }, { 202, 187 }, { 142, 127 },
+    { 244, 229 }, { 217, 202 }, { 231, 216 }, { 188, 173 },
+    { 245, 230 }, { 158, 143 }, { 173, 158 }, { 232, 217 },
+    { 246, 231 }, { 218, 203 }, { 203, 188 }, { 174, 159 },
+    { 189, 174 }, { 247, 232 }, { 233, 218 }, { 204, 189 },
+    { 219, 204 }, { 248, 233 }, { 190, 175 }, { 234, 219 },
+    { 220, 205 }, { 249, 234 }, { 205, 190 }, { 221, 206 },
+    { 250, 235 }, { 235, 220 }, { 206, 191 }, { 236, 221 },
+    { 222, 207 }, { 251, 236 }, { 237, 222 }, { 252, 237 },
+    { 238, 223 }, { 253, 238 }, { 254, 239 }, {   0,   0 },
+};
+
+const int16_t ff_vp9_col_scan_16x16_nb[256][2] = {
+    {   0,   0 }, {   1,   1 }, {   2,   2 }, {   0,   0 },
+    {   3,   3 }, {  16,  16 }, {   4,   4 }, {  17,  17 },
+    {   5,   5 }, {  18,  18 }, {  16,  16 }, {  19,  19 },
+    {   6,   6 }, {  32,  32 }, {  20,  20 }, {  33,  33 },
+    {   7,   7 }, {  34,  34 }, {  21,  21 }, {  32,  32 },
+    {  35,  35 }, {   8,   8 }, {  48,  48 }, {  22,  22 },
+    {  49,  49 }, {  36,  36 }, {   9,   9 }, {  37,  37 },
+    {  50,  50 }, {  23,  23 }, {  48,  48 }, {  51,  51 },
+    {  10,  10 }, {  64,  64 }, {  38,  38 }, {  24,  24 },
+    {  52,  52 }, {  65,  65 }, {  53,  53 }, {  39,  39 },
+    {  66,  66 }, {  11,  11 }, {  64,  64 }, {  25,  25 },
+    {  67,  67 }, {  54,  54 }, {  80,  80 }, {  40,  40 },
+    {  68,  68 }, {  12,  12 }, {  26,  26 }, {  81,  81 },
+    {  55,  55 }, {  69,  69 }, {  82,  82 }, {  41,  41 },
+    {  13,  13 }, {  83,  83 }, {  80,  80 }, {  70,  70 },
+    {  27,  27 }, {  56,  56 }, {  84,  84 }, {  96,  96 },
+    {  14,  14 }, {  71,  71 }, {  97,  97 }, {  42,  42 },
+    {  85,  85 }, {  57,  57 }, {  98,  98 }, {  28,  28 },
+    {  86,  86 }, {  99,  99 }, {  96,  96 }, {  72,  72 },
+    {  43,  43 }, { 100, 100 }, {  58,  58 }, {  29,  29 },
+    { 112, 112 }, {  87,  87 }, { 113, 113 }, {  73,  73 },
+    { 112, 112 }, { 101, 101 }, {  44,  44 }, {  30,  30 },
+    { 114, 114 }, {  59,  59 }, { 102, 102 }, {  88,  88 },
+    { 115, 115 }, {  74,  74 }, { 128, 128 }, { 116, 116 },
+    {  45,  45 }, { 103, 103 }, {  89,  89 }, {  60,  60 },
+    { 129, 129 }, { 117, 117 }, { 130, 130 }, { 131, 131 },
+    { 104, 104 }, {  75,  75 }, {  46,  46 }, { 118, 118 },
+    { 128, 128 }, {  90,  90 }, {  61,  61 }, { 132, 132 },
+    { 105, 105 }, { 144, 144 }, { 119, 119 }, { 145, 145 },
+    { 133, 133 }, {  76,  76 }, { 146, 146 }, { 120, 120 },
+    {  91,  91 }, { 134, 134 }, { 147, 147 }, {  62,  62 },
+    { 106, 106 }, { 135, 135 }, { 121, 121 }, {  92,  92 },
+    { 148, 148 }, { 144, 144 }, {  77,  77 }, { 149, 149 },
+    { 136, 136 }, { 107, 107 }, { 160, 160 }, { 161, 161 },
+    { 150, 150 }, { 122, 122 }, {  78,  78 }, { 137, 137 },
+    { 162, 162 }, { 151, 151 }, {  93,  93 }, { 163, 163 },
+    { 108, 108 }, { 164, 164 }, { 152, 152 }, { 123, 123 },
+    { 138, 138 }, { 160, 160 }, { 165, 165 }, {  94,  94 },
+    { 176, 176 }, { 166, 166 }, { 109, 109 }, { 153, 153 },
+    { 177, 177 }, { 124, 124 }, { 178, 178 }, { 139, 139 },
+    { 167, 167 }, { 154, 154 }, { 110, 110 }, { 179, 179 },
+    { 176, 176 }, { 180, 180 }, { 168, 168 }, { 140, 140 },
+    { 125, 125 }, { 181, 181 }, { 192, 192 }, { 193, 193 },
+    { 155, 155 }, { 182, 182 }, { 169, 169 }, { 194, 194 },
+    { 126, 126 }, { 141, 141 }, { 195, 195 }, { 183, 183 },
+    { 192, 192 }, { 196, 196 }, { 156, 156 }, { 170, 170 },
+    { 142, 142 }, { 184, 184 }, { 197, 197 }, { 208, 208 },
+    { 198, 198 }, { 209, 209 }, { 171, 171 }, { 157, 157 },
+    { 185, 185 }, { 210, 210 }, { 208, 208 }, { 211, 211 },
+    { 199, 199 }, { 224, 224 }, { 158, 158 }, { 212, 212 },
+    { 224, 224 }, { 186, 186 }, { 200, 200 }, { 172, 172 },
+    { 225, 225 }, { 213, 213 }, { 214, 214 }, { 226, 226 },
+    { 201, 201 }, { 227, 227 }, { 187, 187 }, { 240, 240 },
+    { 215, 215 }, { 173, 173 }, { 228, 228 }, { 241, 241 },
+    { 202, 202 }, { 242, 242 }, { 216, 216 }, { 229, 229 },
+    { 174, 174 }, { 188, 188 }, { 243, 243 }, { 230, 230 },
+    { 203, 203 }, { 217, 217 }, { 231, 231 }, { 244, 244 },
+    { 218, 218 }, { 245, 245 }, { 189, 189 }, { 232, 232 },
+    { 204, 204 }, { 190, 190 }, { 246, 246 }, { 233, 233 },
+    { 247, 247 }, { 219, 219 }, { 205, 205 }, { 248, 248 },
+    { 234, 234 }, { 220, 220 }, { 206, 206 }, { 249, 249 },
+    { 235, 235 }, { 221, 221 }, { 250, 250 }, { 222, 222 },
+    { 236, 236 }, { 237, 237 }, { 251, 251 }, { 238, 238 },
+    { 252, 252 }, { 253, 253 }, { 254, 254 }, {   0,   0 },
+};
+
+const int16_t ff_vp9_row_scan_16x16_nb[256][2] = {
+    {   0,   0 }, {  16,  16 }, {   0,   0 }, {  32,  32 },
+    {   1,   1 }, {  48,  48 }, {  17,  17 }, {   1,   1 },
+    {  64,  64 }, {   2,   2 }, {  33,  33 }, {  80,  80 },
+    {  18,  18 }, {   2,   2 }, {  49,  49 }, {   3,   3 },
+    {  96,  96 }, {  34,  34 }, {  65,  65 }, {  19,  19 },
+    {   3,   3 }, { 112, 112 }, {  50,  50 }, {   4,   4 },
+    {  81,  81 }, {  35,  35 }, {  66,  66 }, {   4,   4 },
+    { 128, 128 }, {  20,  20 }, {  51,  51 }, {  97,  97 },
+    {  82,  82 }, {   5,   5 }, {  36,  36 }, { 144, 144 },
+    {  67,  67 }, { 113, 113 }, {  21,  21 }, {  52,  52 },
+    {   5,   5 }, {  98,  98 }, { 160, 160 }, {  83,  83 },
+    {  37,  37 }, {   6,   6 }, {  68,  68 }, { 129, 129 },
+    {  22,  22 }, {  53,  53 }, { 114, 114 }, {   6,   6 },
+    {  99,  99 }, { 176, 176 }, {  84,  84 }, {  38,  38 },
+    {   7,   7 }, {  69,  69 }, { 145, 145 }, { 130, 130 },
+    { 115, 115 }, {  23,  23 }, {  54,  54 }, { 192, 192 },
+    { 100, 100 }, {   7,   7 }, {  85,  85 }, { 161, 161 },
+    {  39,  39 }, {  70,  70 }, {   8,   8 }, { 146, 146 },
+    { 131, 131 }, { 116, 116 }, {  55,  55 }, { 208, 208 },
+    { 101, 101 }, {  24,  24 }, {  86,  86 }, {   8,   8 },
+    { 132, 132 }, {  40,  40 }, {  71,  71 }, { 177, 177 },
+    { 147, 147 }, { 224, 224 }, { 117, 117 }, { 162, 162 },
+    {   9,   9 }, { 102, 102 }, {  56,  56 }, {  25,  25 },
+    {  87,  87 }, { 148, 148 }, {   9,   9 }, { 133, 133 },
+    {  72,  72 }, { 118, 118 }, { 193, 193 }, { 163, 163 },
+    {  41,  41 }, { 103, 103 }, { 178, 178 }, {  10,  10 },
+    {  57,  57 }, { 149, 149 }, { 134, 134 }, {  88,  88 },
+    {  26,  26 }, { 119, 119 }, {  10,  10 }, { 164, 164 },
+    { 104, 104 }, {  73,  73 }, { 209, 209 }, { 179, 179 },
+    {  42,  42 }, {  11,  11 }, { 194, 194 }, { 135, 135 },
+    { 165, 165 }, { 150, 150 }, {  58,  58 }, {  27,  27 },
+    {  89,  89 }, {  11,  11 }, { 120, 120 }, {  74,  74 },
+    {  43,  43 }, { 225, 225 }, { 105, 105 }, {  12,  12 },
+    { 180, 180 }, { 151, 151 }, { 195, 195 }, { 136, 136 },
+    {  28,  28 }, { 166, 166 }, { 121, 121 }, {  59,  59 },
+    {  12,  12 }, { 210, 210 }, {  90,  90 }, { 106, 106 },
+    {  44,  44 }, { 181, 181 }, {  75,  75 }, { 152, 152 },
+    {  13,  13 }, { 167, 167 }, { 137, 137 }, {  13,  13 },
+    {  60,  60 }, { 196, 196 }, { 122, 122 }, {  29,  29 },
+    {  91,  91 }, {  14,  14 }, { 182, 182 }, {  76,  76 },
+    { 211, 211 }, { 153, 153 }, {  14,  14 }, { 107, 107 },
+    { 138, 138 }, {  45,  45 }, { 226, 226 }, { 168, 168 },
+    { 197, 197 }, { 123, 123 }, {  30,  30 }, {  61,  61 },
+    {  15,  15 }, {  92,  92 }, { 154, 154 }, { 183, 183 },
+    { 169, 169 }, { 108, 108 }, { 212, 212 }, {  77,  77 },
+    { 139, 139 }, { 198, 198 }, {  46,  46 }, { 124, 124 },
+    { 227, 227 }, {  62,  62 }, {  31,  31 }, { 184, 184 },
+    {  93,  93 }, { 170, 170 }, { 155, 155 }, { 185, 185 },
+    {  78,  78 }, {  47,  47 }, { 199, 199 }, { 213, 213 },
+    { 140, 140 }, {  63,  63 }, { 109, 109 }, { 125, 125 },
+    {  94,  94 }, { 200, 200 }, { 171, 171 }, { 156, 156 },
+    { 228, 228 }, { 186, 186 }, { 214, 214 }, { 201, 201 },
+    {  79,  79 }, { 141, 141 }, { 110, 110 }, { 229, 229 },
+    {  95,  95 }, { 126, 126 }, { 215, 215 }, { 172, 172 },
+    { 111, 111 }, { 142, 142 }, { 202, 202 }, { 157, 157 },
+    { 216, 216 }, { 230, 230 }, { 217, 217 }, { 187, 187 },
+    { 127, 127 }, { 231, 231 }, { 158, 158 }, { 173, 173 },
+    { 143, 143 }, { 203, 203 }, { 188, 188 }, { 232, 232 },
+    { 218, 218 }, { 233, 233 }, { 159, 159 }, { 174, 174 },
+    { 204, 204 }, { 189, 189 }, { 234, 234 }, { 219, 219 },
+    { 175, 175 }, { 205, 205 }, { 235, 235 }, { 220, 220 },
+    { 190, 190 }, { 236, 236 }, { 206, 206 }, { 191, 191 },
+    { 221, 221 }, { 207, 207 }, { 237, 237 }, { 222, 222 },
+    { 238, 238 }, { 223, 223 }, { 239, 239 }, {   0,   0 },
+};
+
+const int16_t ff_vp9_default_scan_32x32_nb[1024][2] = {
+    {    0,    0 }, {    0,    0 }, {    1,    1 }, {   32,    1 },
+    {   32,   32 }, {    2,    2 }, {   33,    2 }, {   64,   33 },
+    {    3,    3 }, {   64,   64 }, {   34,    3 }, {   65,   34 },
+    {    4,    4 }, {   35,    4 }, {   96,   65 }, {   66,   35 },
+    {   96,   96 }, {   97,   66 }, {   67,   36 }, {   36,    5 },
+    {    5,    5 }, {  128,   97 }, {   98,   67 }, {    6,    6 },
+    {  128,  128 }, {   68,   37 }, {   37,    6 }, {  129,   98 },
+    {   99,   68 }, {  160,  129 }, {  130,   99 }, {   38,    7 },
+    {   69,   38 }, {    7,    7 }, {  100,   69 }, {  161,  130 },
+    {  131,  100 }, {  160,  160 }, {   70,   39 }, {   39,    8 },
+    {    8,    8 }, {  101,   70 }, {  162,  131 }, {  132,  101 },
+    {  192,  161 }, {   71,   40 }, {  192,  192 }, {  102,   71 },
+    {   40,    9 }, {  163,  132 }, {    9,    9 }, {  193,  162 },
+    {  133,  102 }, {  164,  133 }, {   72,   41 }, {  103,   72 },
+    {  134,  103 }, {  224,  193 }, {   41,   10 }, {  194,  163 },
+    {   10,   10 }, {  224,  224 }, {  165,  134 }, {  225,  194 },
+    {  195,  164 }, {   73,   42 }, {  104,   73 }, {  135,  104 },
+    {   42,   11 }, {   11,   11 }, {  166,  135 }, {  196,  165 },
+    {  226,  195 }, {  256,  225 }, {   74,   43 }, {  105,   74 },
+    {  136,  105 }, {  227,  196 }, {   43,   12 }, {  197,  166 },
+    {  167,  136 }, {  257,  226 }, {  256,  256 }, {   12,   12 },
+    {  228,  197 }, {   75,   44 }, {  106,   75 }, {  198,  167 },
+    {  137,  106 }, {  258,  227 }, {  168,  137 }, {  288,  257 },
+    {   44,   13 }, {  229,  198 }, {  259,  228 }, {  199,  168 },
+    {  107,   76 }, {   13,   13 }, {  169,  138 }, {  138,  107 },
+    {  288,  288 }, {  289,  258 }, {   76,   45 }, {  230,  199 },
+    {  260,  229 }, {   45,   14 }, {  200,  169 }, {  139,  108 },
+    {  290,  259 }, {  108,   77 }, {  231,  200 }, {  320,  289 },
+    {  261,  230 }, {  170,  139 }, {   77,   46 }, {  291,  260 },
+    {   14,   14 }, {  321,  290 }, {  201,  170 }, {  262,  231 },
+    {  320,  320 }, {  171,  140 }, {  292,  261 }, {  232,  201 },
+    {  140,  109 }, {  322,  291 }, {  109,   78 }, {   46,   15 },
+    {  202,  171 }, {  263,  232 }, {  233,  202 }, {  293,  262 },
+    {  352,  321 }, {  323,  292 }, {   15,   15 }, {   78,   47 },
+    {  203,  172 }, {  264,  233 }, {  294,  263 }, {  324,  293 },
+    {  172,  141 }, {  353,  322 }, {  141,  110 }, {  234,  203 },
+    {  352,  352 }, {   47,   16 }, {  295,  264 }, {  110,   79 },
+    {  265,  234 }, {  354,  323 }, {  325,  294 }, {   79,   48 },
+    {   16,   16 }, {  204,  173 }, {  235,  204 }, {  173,  142 },
+    {  355,  324 }, {  384,  353 }, {  326,  295 }, {  142,  111 },
+    {  296,  265 }, {  266,  235 }, {  356,  325 }, {  385,  354 },
+    {  111,   80 }, {   48,   17 }, {  327,  296 }, {  297,  266 },
+    {  205,  174 }, {  384,  384 }, {  236,  205 }, {  357,  326 },
+    {  386,  355 }, {   80,   49 }, {  174,  143 }, {   17,   17 },
+    {  328,  297 }, {  358,  327 }, {  387,  356 }, {  298,  267 },
+    {  329,  298 }, {  388,  357 }, {  112,   81 }, {  416,  385 },
+    {  237,  206 }, {  359,  328 }, {   49,   18 }, {  206,  175 },
+    {  417,  386 }, {  389,  358 }, {  330,  299 }, {   18,   18 },
+    {  416,  416 }, {  360,  329 }, {   81,   50 }, {  418,  387 },
+    {  390,  359 }, {  238,  207 }, {   50,   19 }, {  361,  330 },
+    {  419,  388 }, {  113,   82 }, {  448,  417 }, {  448,  448 },
+    {  420,  389 }, {   82,   51 }, {  362,  331 }, {  449,  418 },
+    {  421,  390 }, {  480,  480 }, {  450,  419 }, {  422,  391 },
+    {  114,   83 }, {  451,  420 }, {  480,  449 }, {  452,  421 },
+    {  481,  450 }, {  453,  422 }, {  512,  512 }, {  482,  451 },
+    {  454,  423 }, {  512,  481 }, {  483,  452 }, {  513,  482 },
+    {  484,  453 }, {  514,  483 }, {  485,  454 }, {  544,  513 },
+    {  544,  544 }, {  486,  455 }, {  545,  514 }, {  546,  515 },
+    {  576,  576 }, {  576,  545 }, {  577,  546 }, {  578,  547 },
+    {  608,  577 }, {  609,  578 }, {  610,  579 }, {   19,   19 },
+    {  143,  112 }, {  267,  236 }, {  391,  360 }, {  515,  484 },
+    {  608,  608 }, {   20,   20 }, {   51,   20 }, {  144,  113 },
+    {  175,  144 }, {  268,  237 }, {  299,  268 }, {  392,  361 },
+    {  423,  392 }, {  516,  485 }, {  547,  516 }, {  640,  609 },
+    {  640,  640 }, {   21,   21 }, {   52,   21 }, {   83,   52 },
+    {  145,  114 }, {  176,  145 }, {  207,  176 }, {  269,  238 },
+    {  300,  269 }, {  331,  300 }, {  393,  362 }, {  424,  393 },
+    {  455,  424 }, {  517,  486 }, {  548,  517 }, {  579,  548 },
+    {  641,  610 }, {  672,  641 }, {  672,  672 }, {   22,   22 },
+    {   53,   22 }, {   84,   53 }, {  115,   84 }, {  146,  115 },
+    {  177,  146 }, {  208,  177 }, {  239,  208 }, {  270,  239 },
+    {  301,  270 }, {  332,  301 }, {  363,  332 }, {  394,  363 },
+    {  425,  394 }, {  456,  425 }, {  487,  456 }, {  518,  487 },
+    {  549,  518 }, {  580,  549 }, {  611,  580 }, {  642,  611 },
+    {  673,  642 }, {  704,  673 }, {  704,  704 }, {   54,   23 },
+    {   85,   54 }, {  116,   85 }, {  178,  147 }, {  209,  178 },
+    {  240,  209 }, {  302,  271 }, {  333,  302 }, {  364,  333 },
+    {  426,  395 }, {  457,  426 }, {  488,  457 }, {  550,  519 },
+    {  581,  550 }, {  612,  581 }, {  674,  643 }, {  705,  674 },
+    {  736,  705 }, {   86,   55 }, {  117,   86 }, {  210,  179 },
+    {  241,  210 }, {  334,  303 }, {  365,  334 }, {  458,  427 },
+    {  489,  458 }, {  582,  551 }, {  613,  582 }, {  706,  675 },
+    {  737,  706 }, {  118,   87 }, {  242,  211 }, {  366,  335 },
+    {  490,  459 }, {  614,  583 }, {  738,  707 }, {   23,   23 },
+    {  147,  116 }, {  271,  240 }, {  395,  364 }, {  519,  488 },
+    {  643,  612 }, {  736,  736 }, {   24,   24 }, {   55,   24 },
+    {  148,  117 }, {  179,  148 }, {  272,  241 }, {  303,  272 },
+    {  396,  365 }, {  427,  396 }, {  520,  489 }, {  551,  520 },
+    {  644,  613 }, {  675,  644 }, {  768,  737 }, {  768,  768 },
+    {   25,   25 }, {   56,   25 }, {   87,   56 }, {  149,  118 },
+    {  180,  149 }, {  211,  180 }, {  273,  242 }, {  304,  273 },
+    {  335,  304 }, {  397,  366 }, {  428,  397 }, {  459,  428 },
+    {  521,  490 }, {  552,  521 }, {  583,  552 }, {  645,  614 },
+    {  676,  645 }, {  707,  676 }, {  769,  738 }, {  800,  769 },
+    {  800,  800 }, {   26,   26 }, {   57,   26 }, {   88,   57 },
+    {  119,   88 }, {  150,  119 }, {  181,  150 }, {  212,  181 },
+    {  243,  212 }, {  274,  243 }, {  305,  274 }, {  336,  305 },
+    {  367,  336 }, {  398,  367 }, {  429,  398 }, {  460,  429 },
+    {  491,  460 }, {  522,  491 }, {  553,  522 }, {  584,  553 },
+    {  615,  584 }, {  646,  615 }, {  677,  646 }, {  708,  677 },
+    {  739,  708 }, {  770,  739 }, {  801,  770 }, {  832,  801 },
+    {  832,  832 }, {   58,   27 }, {   89,   58 }, {  120,   89 },
+    {  182,  151 }, {  213,  182 }, {  244,  213 }, {  306,  275 },
+    {  337,  306 }, {  368,  337 }, {  430,  399 }, {  461,  430 },
+    {  492,  461 }, {  554,  523 }, {  585,  554 }, {  616,  585 },
+    {  678,  647 }, {  709,  678 }, {  740,  709 }, {  802,  771 },
+    {  833,  802 }, {  864,  833 }, {   90,   59 }, {  121,   90 },
+    {  214,  183 }, {  245,  214 }, {  338,  307 }, {  369,  338 },
+    {  462,  431 }, {  493,  462 }, {  586,  555 }, {  617,  586 },
+    {  710,  679 }, {  741,  710 }, {  834,  803 }, {  865,  834 },
+    {  122,   91 }, {  246,  215 }, {  370,  339 }, {  494,  463 },
+    {  618,  587 }, {  742,  711 }, {  866,  835 }, {   27,   27 },
+    {  151,  120 }, {  275,  244 }, {  399,  368 }, {  523,  492 },
+    {  647,  616 }, {  771,  740 }, {  864,  864 }, {   28,   28 },
+    {   59,   28 }, {  152,  121 }, {  183,  152 }, {  276,  245 },
+    {  307,  276 }, {  400,  369 }, {  431,  400 }, {  524,  493 },
+    {  555,  524 }, {  648,  617 }, {  679,  648 }, {  772,  741 },
+    {  803,  772 }, {  896,  865 }, {  896,  896 }, {   29,   29 },
+    {   60,   29 }, {   91,   60 }, {  153,  122 }, {  184,  153 },
+    {  215,  184 }, {  277,  246 }, {  308,  277 }, {  339,  308 },
+    {  401,  370 }, {  432,  401 }, {  463,  432 }, {  525,  494 },
+    {  556,  525 }, {  587,  556 }, {  649,  618 }, {  680,  649 },
+    {  711,  680 }, {  773,  742 }, {  804,  773 }, {  835,  804 },
+    {  897,  866 }, {  928,  897 }, {  928,  928 }, {   30,   30 },
+    {   61,   30 }, {   92,   61 }, {  123,   92 }, {  154,  123 },
+    {  185,  154 }, {  216,  185 }, {  247,  216 }, {  278,  247 },
+    {  309,  278 }, {  340,  309 }, {  371,  340 }, {  402,  371 },
+    {  433,  402 }, {  464,  433 }, {  495,  464 }, {  526,  495 },
+    {  557,  526 }, {  588,  557 }, {  619,  588 }, {  650,  619 },
+    {  681,  650 }, {  712,  681 }, {  743,  712 }, {  774,  743 },
+    {  805,  774 }, {  836,  805 }, {  867,  836 }, {  898,  867 },
+    {  929,  898 }, {  960,  929 }, {  960,  960 }, {   62,   31 },
+    {   93,   62 }, {  124,   93 }, {  186,  155 }, {  217,  186 },
+    {  248,  217 }, {  310,  279 }, {  341,  310 }, {  372,  341 },
+    {  434,  403 }, {  465,  434 }, {  496,  465 }, {  558,  527 },
+    {  589,  558 }, {  620,  589 }, {  682,  651 }, {  713,  682 },
+    {  744,  713 }, {  806,  775 }, {  837,  806 }, {  868,  837 },
+    {  930,  899 }, {  961,  930 }, {  992,  961 }, {   94,   63 },
+    {  125,   94 }, {  218,  187 }, {  249,  218 }, {  342,  311 },
+    {  373,  342 }, {  466,  435 }, {  497,  466 }, {  590,  559 },
+    {  621,  590 }, {  714,  683 }, {  745,  714 }, {  838,  807 },
+    {  869,  838 }, {  962,  931 }, {  993,  962 }, {  126,   95 },
+    {  250,  219 }, {  374,  343 }, {  498,  467 }, {  622,  591 },
+    {  746,  715 }, {  870,  839 }, {  994,  963 }, {  155,  124 },
+    {  279,  248 }, {  403,  372 }, {  527,  496 }, {  651,  620 },
+    {  775,  744 }, {  899,  868 }, {  156,  125 }, {  187,  156 },
+    {  280,  249 }, {  311,  280 }, {  404,  373 }, {  435,  404 },
+    {  528,  497 }, {  559,  528 }, {  652,  621 }, {  683,  652 },
+    {  776,  745 }, {  807,  776 }, {  900,  869 }, {  931,  900 },
+    {  157,  126 }, {  188,  157 }, {  219,  188 }, {  281,  250 },
+    {  312,  281 }, {  343,  312 }, {  405,  374 }, {  436,  405 },
+    {  467,  436 }, {  529,  498 }, {  560,  529 }, {  591,  560 },
+    {  653,  622 }, {  684,  653 }, {  715,  684 }, {  777,  746 },
+    {  808,  777 }, {  839,  808 }, {  901,  870 }, {  932,  901 },
+    {  963,  932 }, {  158,  127 }, {  189,  158 }, {  220,  189 },
+    {  251,  220 }, {  282,  251 }, {  313,  282 }, {  344,  313 },
+    {  375,  344 }, {  406,  375 }, {  437,  406 }, {  468,  437 },
+    {  499,  468 }, {  530,  499 }, {  561,  530 }, {  592,  561 },
+    {  623,  592 }, {  654,  623 }, {  685,  654 }, {  716,  685 },
+    {  747,  716 }, {  778,  747 }, {  809,  778 }, {  840,  809 },
+    {  871,  840 }, {  902,  871 }, {  933,  902 }, {  964,  933 },
+    {  995,  964 }, {  190,  159 }, {  221,  190 }, {  252,  221 },
+    {  314,  283 }, {  345,  314 }, {  376,  345 }, {  438,  407 },
+    {  469,  438 }, {  500,  469 }, {  562,  531 }, {  593,  562 },
+    {  624,  593 }, {  686,  655 }, {  717,  686 }, {  748,  717 },
+    {  810,  779 }, {  841,  810 }, {  872,  841 }, {  934,  903 },
+    {  965,  934 }, {  996,  965 }, {  222,  191 }, {  253,  222 },
+    {  346,  315 }, {  377,  346 }, {  470,  439 }, {  501,  470 },
+    {  594,  563 }, {  625,  594 }, {  718,  687 }, {  749,  718 },
+    {  842,  811 }, {  873,  842 }, {  966,  935 }, {  997,  966 },
+    {  254,  223 }, {  378,  347 }, {  502,  471 }, {  626,  595 },
+    {  750,  719 }, {  874,  843 }, {  998,  967 }, {  283,  252 },
+    {  407,  376 }, {  531,  500 }, {  655,  624 }, {  779,  748 },
+    {  903,  872 }, {  284,  253 }, {  315,  284 }, {  408,  377 },
+    {  439,  408 }, {  532,  501 }, {  563,  532 }, {  656,  625 },
+    {  687,  656 }, {  780,  749 }, {  811,  780 }, {  904,  873 },
+    {  935,  904 }, {  285,  254 }, {  316,  285 }, {  347,  316 },
+    {  409,  378 }, {  440,  409 }, {  471,  440 }, {  533,  502 },
+    {  564,  533 }, {  595,  564 }, {  657,  626 }, {  688,  657 },
+    {  719,  688 }, {  781,  750 }, {  812,  781 }, {  843,  812 },
+    {  905,  874 }, {  936,  905 }, {  967,  936 }, {  286,  255 },
+    {  317,  286 }, {  348,  317 }, {  379,  348 }, {  410,  379 },
+    {  441,  410 }, {  472,  441 }, {  503,  472 }, {  534,  503 },
+    {  565,  534 }, {  596,  565 }, {  627,  596 }, {  658,  627 },
+    {  689,  658 }, {  720,  689 }, {  751,  720 }, {  782,  751 },
+    {  813,  782 }, {  844,  813 }, {  875,  844 }, {  906,  875 },
+    {  937,  906 }, {  968,  937 }, {  999,  968 }, {  318,  287 },
+    {  349,  318 }, {  380,  349 }, {  442,  411 }, {  473,  442 },
+    {  504,  473 }, {  566,  535 }, {  597,  566 }, {  628,  597 },
+    {  690,  659 }, {  721,  690 }, {  752,  721 }, {  814,  783 },
+    {  845,  814 }, {  876,  845 }, {  938,  907 }, {  969,  938 },
+    { 1000,  969 }, {  350,  319 }, {  381,  350 }, {  474,  443 },
+    {  505,  474 }, {  598,  567 }, {  629,  598 }, {  722,  691 },
+    {  753,  722 }, {  846,  815 }, {  877,  846 }, {  970,  939 },
+    { 1001,  970 }, {  382,  351 }, {  506,  475 }, {  630,  599 },
+    {  754,  723 }, {  878,  847 }, { 1002,  971 }, {  411,  380 },
+    {  535,  504 }, {  659,  628 }, {  783,  752 }, {  907,  876 },
+    {  412,  381 }, {  443,  412 }, {  536,  505 }, {  567,  536 },
+    {  660,  629 }, {  691,  660 }, {  784,  753 }, {  815,  784 },
+    {  908,  877 }, {  939,  908 }, {  413,  382 }, {  444,  413 },
+    {  475,  444 }, {  537,  506 }, {  568,  537 }, {  599,  568 },
+    {  661,  630 }, {  692,  661 }, {  723,  692 }, {  785,  754 },
+    {  816,  785 }, {  847,  816 }, {  909,  878 }, {  940,  909 },
+    {  971,  940 }, {  414,  383 }, {  445,  414 }, {  476,  445 },
+    {  507,  476 }, {  538,  507 }, {  569,  538 }, {  600,  569 },
+    {  631,  600 }, {  662,  631 }, {  693,  662 }, {  724,  693 },
+    {  755,  724 }, {  786,  755 }, {  817,  786 }, {  848,  817 },
+    {  879,  848 }, {  910,  879 }, {  941,  910 }, {  972,  941 },
+    { 1003,  972 }, {  446,  415 }, {  477,  446 }, {  508,  477 },
+    {  570,  539 }, {  601,  570 }, {  632,  601 }, {  694,  663 },
+    {  725,  694 }, {  756,  725 }, {  818,  787 }, {  849,  818 },
+    {  880,  849 }, {  942,  911 }, {  973,  942 }, { 1004,  973 },
+    {  478,  447 }, {  509,  478 }, {  602,  571 }, {  633,  602 },
+    {  726,  695 }, {  757,  726 }, {  850,  819 }, {  881,  850 },
+    {  974,  943 }, { 1005,  974 }, {  510,  479 }, {  634,  603 },
+    {  758,  727 }, {  882,  851 }, { 1006,  975 }, {  539,  508 },
+    {  663,  632 }, {  787,  756 }, {  911,  880 }, {  540,  509 },
+    {  571,  540 }, {  664,  633 }, {  695,  664 }, {  788,  757 },
+    {  819,  788 }, {  912,  881 }, {  943,  912 }, {  541,  510 },
+    {  572,  541 }, {  603,  572 }, {  665,  634 }, {  696,  665 },
+    {  727,  696 }, {  789,  758 }, {  820,  789 }, {  851,  820 },
+    {  913,  882 }, {  944,  913 }, {  975,  944 }, {  542,  511 },
+    {  573,  542 }, {  604,  573 }, {  635,  604 }, {  666,  635 },
+    {  697,  666 }, {  728,  697 }, {  759,  728 }, {  790,  759 },
+    {  821,  790 }, {  852,  821 }, {  883,  852 }, {  914,  883 },
+    {  945,  914 }, {  976,  945 }, { 1007,  976 }, {  574,  543 },
+    {  605,  574 }, {  636,  605 }, {  698,  667 }, {  729,  698 },
+    {  760,  729 }, {  822,  791 }, {  853,  822 }, {  884,  853 },
+    {  946,  915 }, {  977,  946 }, { 1008,  977 }, {  606,  575 },
+    {  637,  606 }, {  730,  699 }, {  761,  730 }, {  854,  823 },
+    {  885,  854 }, {  978,  947 }, { 1009,  978 }, {  638,  607 },
+    {  762,  731 }, {  886,  855 }, { 1010,  979 }, {  667,  636 },
+    {  791,  760 }, {  915,  884 }, {  668,  637 }, {  699,  668 },
+    {  792,  761 }, {  823,  792 }, {  916,  885 }, {  947,  916 },
+    {  669,  638 }, {  700,  669 }, {  731,  700 }, {  793,  762 },
+    {  824,  793 }, {  855,  824 }, {  917,  886 }, {  948,  917 },
+    {  979,  948 }, {  670,  639 }, {  701,  670 }, {  732,  701 },
+    {  763,  732 }, {  794,  763 }, {  825,  794 }, {  856,  825 },
+    {  887,  856 }, {  918,  887 }, {  949,  918 }, {  980,  949 },
+    { 1011,  980 }, {  702,  671 }, {  733,  702 }, {  764,  733 },
+    {  826,  795 }, {  857,  826 }, {  888,  857 }, {  950,  919 },
+    {  981,  950 }, { 1012,  981 }, {  734,  703 }, {  765,  734 },
+    {  858,  827 }, {  889,  858 }, {  982,  951 }, { 1013,  982 },
+    {  766,  735 }, {  890,  859 }, { 1014,  983 }, {  795,  764 },
+    {  919,  888 }, {  796,  765 }, {  827,  796 }, {  920,  889 },
+    {  951,  920 }, {  797,  766 }, {  828,  797 }, {  859,  828 },
+    {  921,  890 }, {  952,  921 }, {  983,  952 }, {  798,  767 },
+    {  829,  798 }, {  860,  829 }, {  891,  860 }, {  922,  891 },
+    {  953,  922 }, {  984,  953 }, { 1015,  984 }, {  830,  799 },
+    {  861,  830 }, {  892,  861 }, {  954,  923 }, {  985,  954 },
+    { 1016,  985 }, {  862,  831 }, {  893,  862 }, {  986,  955 },
+    { 1017,  986 }, {  894,  863 }, { 1018,  987 }, {  923,  892 },
+    {  924,  893 }, {  955,  924 }, {  925,  894 }, {  956,  925 },
+    {  987,  956 }, {  926,  895 }, {  957,  926 }, {  988,  957 },
+    { 1019,  988 }, {  958,  927 }, {  989,  958 }, { 1020,  989 },
+    {  990,  959 }, { 1021,  990 }, { 1022,  991 }, {    0,    0 },
+};
+
+const int16_t (* const ff_vp9_scans_nb[5][4])[2] = {
+    {
+        ff_vp9_default_scan_4x4_nb, ff_vp9_col_scan_4x4_nb,
+        ff_vp9_row_scan_4x4_nb, ff_vp9_default_scan_4x4_nb
+    }, {
+        ff_vp9_default_scan_8x8_nb, ff_vp9_col_scan_8x8_nb,
+        ff_vp9_row_scan_8x8_nb, ff_vp9_default_scan_8x8_nb
+    }, {
+        ff_vp9_default_scan_16x16_nb, ff_vp9_col_scan_16x16_nb,
+        ff_vp9_row_scan_16x16_nb, ff_vp9_default_scan_16x16_nb
+    }, {
+        ff_vp9_default_scan_32x32_nb, ff_vp9_default_scan_32x32_nb,
+        ff_vp9_default_scan_32x32_nb, ff_vp9_default_scan_32x32_nb
+    }, { // lossless
+        ff_vp9_default_scan_4x4_nb, ff_vp9_default_scan_4x4_nb,
+        ff_vp9_default_scan_4x4_nb, ff_vp9_default_scan_4x4_nb
+    }
+};
+
+const uint8_t ff_vp9_model_pareto8[256][8] = {
+    {   6,  86, 128,  11,  87,  42,  91,  52 },
+    {   3,  86, 128,   6,  86,  23,  88,  29 },
+    {   6,  86, 128,  11,  87,  42,  91,  52 },
+    {   9,  86, 129,  17,  88,  61,  94,  76 },
+    {  12,  86, 129,  22,  88,  77,  97,  93 },
+    {  15,  87, 129,  28,  89,  93, 100, 110 },
+    {  17,  87, 129,  33,  90, 105, 103, 123 },
+    {  20,  88, 130,  38,  91, 118, 106, 136 },
+    {  23,  88, 130,  43,  91, 128, 108, 146 },
+    {  26,  89, 131,  48,  92, 139, 111, 156 },
+    {  28,  89, 131,  53,  93, 147, 114, 163 },
+    {  31,  90, 131,  58,  94, 156, 117, 171 },
+    {  34,  90, 131,  62,  94, 163, 119, 177 },
+    {  37,  90, 132,  66,  95, 171, 122, 184 },
+    {  39,  90, 132,  70,  96, 177, 124, 189 },
+    {  42,  91, 132,  75,  97, 183, 127, 194 },
+    {  44,  91, 132,  79,  97, 188, 129, 198 },
+    {  47,  92, 133,  83,  98, 193, 132, 202 },
+    {  49,  92, 133,  86,  99, 197, 134, 205 },
+    {  52,  93, 133,  90, 100, 201, 137, 208 },
+    {  54,  93, 133,  94, 100, 204, 139, 211 },
+    {  57,  94, 134,  98, 101, 208, 142, 214 },
+    {  59,  94, 134, 101, 102, 211, 144, 216 },
+    {  62,  94, 135, 105, 103, 214, 146, 218 },
+    {  64,  94, 135, 108, 103, 216, 148, 220 },
+    {  66,  95, 135, 111, 104, 219, 151, 222 },
+    {  68,  95, 135, 114, 105, 221, 153, 223 },
+    {  71,  96, 136, 117, 106, 224, 155, 225 },
+    {  73,  96, 136, 120, 106, 225, 157, 226 },
+    {  76,  97, 136, 123, 107, 227, 159, 228 },
+    {  78,  97, 136, 126, 108, 229, 160, 229 },
+    {  80,  98, 137, 129, 109, 231, 162, 231 },
+    {  82,  98, 137, 131, 109, 232, 164, 232 },
+    {  84,  98, 138, 134, 110, 234, 166, 233 },
+    {  86,  98, 138, 137, 111, 235, 168, 234 },
+    {  89,  99, 138, 140, 112, 236, 170, 235 },
+    {  91,  99, 138, 142, 112, 237, 171, 235 },
+    {  93, 100, 139, 145, 113, 238, 173, 236 },
+    {  95, 100, 139, 147, 114, 239, 174, 237 },
+    {  97, 101, 140, 149, 115, 240, 176, 238 },
+    {  99, 101, 140, 151, 115, 241, 177, 238 },
+    { 101, 102, 140, 154, 116, 242, 179, 239 },
+    { 103, 102, 140, 156, 117, 242, 180, 239 },
+    { 105, 103, 141, 158, 118, 243, 182, 240 },
+    { 107, 103, 141, 160, 118, 243, 183, 240 },
+    { 109, 104, 141, 162, 119, 244, 185, 241 },
+    { 111, 104, 141, 164, 119, 244, 186, 241 },
+    { 113, 104, 142, 166, 120, 245, 187, 242 },
+    { 114, 104, 142, 168, 121, 245, 188, 242 },
+    { 116, 105, 143, 170, 122, 246, 190, 243 },
+    { 118, 105, 143, 171, 122, 246, 191, 243 },
+    { 120, 106, 143, 173, 123, 247, 192, 244 },
+    { 121, 106, 143, 175, 124, 247, 193, 244 },
+    { 123, 107, 144, 177, 125, 248, 195, 244 },
+    { 125, 107, 144, 178, 125, 248, 196, 244 },
+    { 127, 108, 145, 180, 126, 249, 197, 245 },
+    { 128, 108, 145, 181, 127, 249, 198, 245 },
+    { 130, 109, 145, 183, 128, 249, 199, 245 },
+    { 132, 109, 145, 184, 128, 249, 200, 245 },
+    { 134, 110, 146, 186, 129, 250, 201, 246 },
+    { 135, 110, 146, 187, 130, 250, 202, 246 },
+    { 137, 111, 147, 189, 131, 251, 203, 246 },
+    { 138, 111, 147, 190, 131, 251, 204, 246 },
+    { 140, 112, 147, 192, 132, 251, 205, 247 },
+    { 141, 112, 147, 193, 132, 251, 206, 247 },
+    { 143, 113, 148, 194, 133, 251, 207, 247 },
+    { 144, 113, 148, 195, 134, 251, 207, 247 },
+    { 146, 114, 149, 197, 135, 252, 208, 248 },
+    { 147, 114, 149, 198, 135, 252, 209, 248 },
+    { 149, 115, 149, 199, 136, 252, 210, 248 },
+    { 150, 115, 149, 200, 137, 252, 210, 248 },
+    { 152, 115, 150, 201, 138, 252, 211, 248 },
+    { 153, 115, 150, 202, 138, 252, 212, 248 },
+    { 155, 116, 151, 204, 139, 253, 213, 249 },
+    { 156, 116, 151, 205, 139, 253, 213, 249 },
+    { 158, 117, 151, 206, 140, 253, 214, 249 },
+    { 159, 117, 151, 207, 141, 253, 215, 249 },
+    { 161, 118, 152, 208, 142, 253, 216, 249 },
+    { 162, 118, 152, 209, 142, 253, 216, 249 },
+    { 163, 119, 153, 210, 143, 253, 217, 249 },
+    { 164, 119, 153, 211, 143, 253, 217, 249 },
+    { 166, 120, 153, 212, 144, 254, 218, 250 },
+    { 167, 120, 153, 212, 145, 254, 219, 250 },
+    { 168, 121, 154, 213, 146, 254, 220, 250 },
+    { 169, 121, 154, 214, 146, 254, 220, 250 },
+    { 171, 122, 155, 215, 147, 254, 221, 250 },
+    { 172, 122, 155, 216, 147, 254, 221, 250 },
+    { 173, 123, 155, 217, 148, 254, 222, 250 },
+    { 174, 123, 155, 217, 149, 254, 222, 250 },
+    { 176, 124, 156, 218, 150, 254, 223, 250 },
+    { 177, 124, 156, 219, 150, 254, 223, 250 },
+    { 178, 125, 157, 220, 151, 254, 224, 251 },
+    { 179, 125, 157, 220, 151, 254, 224, 251 },
+    { 180, 126, 157, 221, 152, 254, 225, 251 },
+    { 181, 126, 157, 221, 152, 254, 225, 251 },
+    { 183, 127, 158, 222, 153, 254, 226, 251 },
+    { 184, 127, 158, 223, 154, 254, 226, 251 },
+    { 185, 128, 159, 224, 155, 255, 227, 251 },
+    { 186, 128, 159, 224, 155, 255, 227, 251 },
+    { 187, 129, 160, 225, 156, 255, 228, 251 },
+    { 188, 130, 160, 225, 156, 255, 228, 251 },
+    { 189, 131, 160, 226, 157, 255, 228, 251 },
+    { 190, 131, 160, 226, 158, 255, 228, 251 },
+    { 191, 132, 161, 227, 159, 255, 229, 251 },
+    { 192, 132, 161, 227, 159, 255, 229, 251 },
+    { 193, 133, 162, 228, 160, 255, 230, 252 },
+    { 194, 133, 162, 229, 160, 255, 230, 252 },
+    { 195, 134, 163, 230, 161, 255, 231, 252 },
+    { 196, 134, 163, 230, 161, 255, 231, 252 },
+    { 197, 135, 163, 231, 162, 255, 231, 252 },
+    { 198, 135, 163, 231, 162, 255, 231, 252 },
+    { 199, 136, 164, 232, 163, 255, 232, 252 },
+    { 200, 136, 164, 232, 164, 255, 232, 252 },
+    { 201, 137, 165, 233, 165, 255, 233, 252 },
+    { 201, 137, 165, 233, 165, 255, 233, 252 },
+    { 202, 138, 166, 233, 166, 255, 233, 252 },
+    { 203, 138, 166, 233, 166, 255, 233, 252 },
+    { 204, 139, 166, 234, 167, 255, 234, 252 },
+    { 205, 139, 166, 234, 167, 255, 234, 252 },
+    { 206, 140, 167, 235, 168, 255, 235, 252 },
+    { 206, 140, 167, 235, 168, 255, 235, 252 },
+    { 207, 141, 168, 236, 169, 255, 235, 252 },
+    { 208, 141, 168, 236, 170, 255, 235, 252 },
+    { 209, 142, 169, 237, 171, 255, 236, 252 },
+    { 209, 143, 169, 237, 171, 255, 236, 252 },
+    { 210, 144, 169, 237, 172, 255, 236, 252 },
+    { 211, 144, 169, 237, 172, 255, 236, 252 },
+    { 212, 145, 170, 238, 173, 255, 237, 252 },
+    { 213, 145, 170, 238, 173, 255, 237, 252 },
+    { 214, 146, 171, 239, 174, 255, 237, 253 },
+    { 214, 146, 171, 239, 174, 255, 237, 253 },
+    { 215, 147, 172, 240, 175, 255, 238, 253 },
+    { 215, 147, 172, 240, 175, 255, 238, 253 },
+    { 216, 148, 173, 240, 176, 255, 238, 253 },
+    { 217, 148, 173, 240, 176, 255, 238, 253 },
+    { 218, 149, 173, 241, 177, 255, 239, 253 },
+    { 218, 149, 173, 241, 178, 255, 239, 253 },
+    { 219, 150, 174, 241, 179, 255, 239, 253 },
+    { 219, 151, 174, 241, 179, 255, 239, 253 },
+    { 220, 152, 175, 242, 180, 255, 240, 253 },
+    { 221, 152, 175, 242, 180, 255, 240, 253 },
+    { 222, 153, 176, 242, 181, 255, 240, 253 },
+    { 222, 153, 176, 242, 181, 255, 240, 253 },
+    { 223, 154, 177, 243, 182, 255, 240, 253 },
+    { 223, 154, 177, 243, 182, 255, 240, 253 },
+    { 224, 155, 178, 244, 183, 255, 241, 253 },
+    { 224, 155, 178, 244, 183, 255, 241, 253 },
+    { 225, 156, 178, 244, 184, 255, 241, 253 },
+    { 225, 157, 178, 244, 184, 255, 241, 253 },
+    { 226, 158, 179, 244, 185, 255, 242, 253 },
+    { 227, 158, 179, 244, 185, 255, 242, 253 },
+    { 228, 159, 180, 245, 186, 255, 242, 253 },
+    { 228, 159, 180, 245, 186, 255, 242, 253 },
+    { 229, 160, 181, 245, 187, 255, 242, 253 },
+    { 229, 160, 181, 245, 187, 255, 242, 253 },
+    { 230, 161, 182, 246, 188, 255, 243, 253 },
+    { 230, 162, 182, 246, 188, 255, 243, 253 },
+    { 231, 163, 183, 246, 189, 255, 243, 253 },
+    { 231, 163, 183, 246, 189, 255, 243, 253 },
+    { 232, 164, 184, 247, 190, 255, 243, 253 },
+    { 232, 164, 184, 247, 190, 255, 243, 253 },
+    { 233, 165, 185, 247, 191, 255, 244, 253 },
+    { 233, 165, 185, 247, 191, 255, 244, 253 },
+    { 234, 166, 185, 247, 192, 255, 244, 253 },
+    { 234, 167, 185, 247, 192, 255, 244, 253 },
+    { 235, 168, 186, 248, 193, 255, 244, 253 },
+    { 235, 168, 186, 248, 193, 255, 244, 253 },
+    { 236, 169, 187, 248, 194, 255, 244, 253 },
+    { 236, 169, 187, 248, 194, 255, 244, 253 },
+    { 236, 170, 188, 248, 195, 255, 245, 253 },
+    { 236, 170, 188, 248, 195, 255, 245, 253 },
+    { 237, 171, 189, 249, 196, 255, 245, 254 },
+    { 237, 172, 189, 249, 196, 255, 245, 254 },
+    { 238, 173, 190, 249, 197, 255, 245, 254 },
+    { 238, 173, 190, 249, 197, 255, 245, 254 },
+    { 239, 174, 191, 249, 198, 255, 245, 254 },
+    { 239, 174, 191, 249, 198, 255, 245, 254 },
+    { 240, 175, 192, 249, 199, 255, 246, 254 },
+    { 240, 176, 192, 249, 199, 255, 246, 254 },
+    { 240, 177, 193, 250, 200, 255, 246, 254 },
+    { 240, 177, 193, 250, 200, 255, 246, 254 },
+    { 241, 178, 194, 250, 201, 255, 246, 254 },
+    { 241, 178, 194, 250, 201, 255, 246, 254 },
+    { 242, 179, 195, 250, 202, 255, 246, 254 },
+    { 242, 180, 195, 250, 202, 255, 246, 254 },
+    { 242, 181, 196, 250, 203, 255, 247, 254 },
+    { 242, 181, 196, 250, 203, 255, 247, 254 },
+    { 243, 182, 197, 251, 204, 255, 247, 254 },
+    { 243, 183, 197, 251, 204, 255, 247, 254 },
+    { 244, 184, 198, 251, 205, 255, 247, 254 },
+    { 244, 184, 198, 251, 205, 255, 247, 254 },
+    { 244, 185, 199, 251, 206, 255, 247, 254 },
+    { 244, 185, 199, 251, 206, 255, 247, 254 },
+    { 245, 186, 200, 251, 207, 255, 247, 254 },
+    { 245, 187, 200, 251, 207, 255, 247, 254 },
+    { 246, 188, 201, 252, 207, 255, 248, 254 },
+    { 246, 188, 201, 252, 207, 255, 248, 254 },
+    { 246, 189, 202, 252, 208, 255, 248, 254 },
+    { 246, 190, 202, 252, 208, 255, 248, 254 },
+    { 247, 191, 203, 252, 209, 255, 248, 254 },
+    { 247, 191, 203, 252, 209, 255, 248, 254 },
+    { 247, 192, 204, 252, 210, 255, 248, 254 },
+    { 247, 193, 204, 252, 210, 255, 248, 254 },
+    { 248, 194, 205, 252, 211, 255, 248, 254 },
+    { 248, 194, 205, 252, 211, 255, 248, 254 },
+    { 248, 195, 206, 252, 212, 255, 249, 254 },
+    { 248, 196, 206, 252, 212, 255, 249, 254 },
+    { 249, 197, 207, 253, 213, 255, 249, 254 },
+    { 249, 197, 207, 253, 213, 255, 249, 254 },
+    { 249, 198, 208, 253, 214, 255, 249, 254 },
+    { 249, 199, 209, 253, 214, 255, 249, 254 },
+    { 250, 200, 210, 253, 215, 255, 249, 254 },
+    { 250, 200, 210, 253, 215, 255, 249, 254 },
+    { 250, 201, 211, 253, 215, 255, 249, 254 },
+    { 250, 202, 211, 253, 215, 255, 249, 254 },
+    { 250, 203, 212, 253, 216, 255, 249, 254 },
+    { 250, 203, 212, 253, 216, 255, 249, 254 },
+    { 251, 204, 213, 253, 217, 255, 250, 254 },
+    { 251, 205, 213, 253, 217, 255, 250, 254 },
+    { 251, 206, 214, 254, 218, 255, 250, 254 },
+    { 251, 206, 215, 254, 218, 255, 250, 254 },
+    { 252, 207, 216, 254, 219, 255, 250, 254 },
+    { 252, 208, 216, 254, 219, 255, 250, 254 },
+    { 252, 209, 217, 254, 220, 255, 250, 254 },
+    { 252, 210, 217, 254, 220, 255, 250, 254 },
+    { 252, 211, 218, 254, 221, 255, 250, 254 },
+    { 252, 212, 218, 254, 221, 255, 250, 254 },
+    { 253, 213, 219, 254, 222, 255, 250, 254 },
+    { 253, 213, 220, 254, 222, 255, 250, 254 },
+    { 253, 214, 221, 254, 223, 255, 250, 254 },
+    { 253, 215, 221, 254, 223, 255, 250, 254 },
+    { 253, 216, 222, 254, 224, 255, 251, 254 },
+    { 253, 217, 223, 254, 224, 255, 251, 254 },
+    { 253, 218, 224, 254, 225, 255, 251, 254 },
+    { 253, 219, 224, 254, 225, 255, 251, 254 },
+    { 254, 220, 225, 254, 225, 255, 251, 254 },
+    { 254, 221, 226, 254, 225, 255, 251, 254 },
+    { 254, 222, 227, 255, 226, 255, 251, 254 },
+    { 254, 223, 227, 255, 226, 255, 251, 254 },
+    { 254, 224, 228, 255, 227, 255, 251, 254 },
+    { 254, 225, 229, 255, 227, 255, 251, 254 },
+    { 254, 226, 230, 255, 228, 255, 251, 254 },
+    { 254, 227, 230, 255, 229, 255, 251, 254 },
+    { 255, 228, 231, 255, 230, 255, 251, 254 },
+    { 255, 229, 232, 255, 230, 255, 251, 254 },
+    { 255, 230, 233, 255, 231, 255, 252, 254 },
+    { 255, 231, 234, 255, 231, 255, 252, 254 },
+    { 255, 232, 235, 255, 232, 255, 252, 254 },
+    { 255, 233, 236, 255, 232, 255, 252, 254 },
+    { 255, 235, 237, 255, 233, 255, 252, 254 },
+    { 255, 236, 238, 255, 234, 255, 252, 254 },
+    { 255, 238, 240, 255, 235, 255, 252, 255 },
+    { 255, 239, 241, 255, 235, 255, 252, 254 },
+    { 255, 241, 243, 255, 236, 255, 252, 254 },
+    { 255, 243, 245, 255, 237, 255, 252, 254 },
+    { 255, 246, 247, 255, 239, 255, 253, 255 },
+};
+
+const ProbContext ff_vp9_default_probs = {
+    { /* y_mode */
+        {  65,  32,  18, 144, 162, 194,  41,  51,  98 } /* bsize < 8x8 */,
+        { 132,  68,  18, 165, 217, 196,  45,  40,  78 } /* bsize < 16x16 */,
+        { 173,  80,  19, 176, 240, 193,  64,  35,  46 } /* bsize < 32x32 */,
+        { 221, 135,  38, 194, 248, 121,  96,  85,  29 } /* bsize >= 32x32 */
+    }, { /* uv_mode */
+        {  48,  12, 154, 155, 139,  90,  34, 117, 119 } /* y = v */,
+        {  67,   6,  25, 204, 243, 158,  13,  21,  96 } /* y = h */,
+        { 120,   7,  76, 176, 208, 126,  28,  54, 103 } /* y = dc */,
+        {  97,   5,  44, 131, 176, 139,  48,  68,  97 } /* y = d45 */,
+        {  83,   5,  42, 156, 111, 152,  26,  49, 152 } /* y = d135 */,
+        {  80,   5,  58, 178,  74,  83,  33,  62, 145 } /* y = d117 */,
+        {  86,   5,  32, 154, 192, 168,  14,  22, 163 } /* y = d153 */,
+        {  77,   7,  64, 116, 132, 122,  37, 126, 120 } /* y = d63 */,
+        {  85,   5,  32, 156, 216, 148,  19,  29,  73 } /* y = d27 */,
+        { 101,  21, 107, 181, 192, 103,  19,  67, 125 } /* y = tm */
+    }, { /* filter */
+        { 235, 162, },
+        {  36, 255, },
+        {  34,   3, },
+        { 149, 144, },
+    }, { /* mv_mode */
+        {  2, 173,  34 },  // 0 = both zero mv
+        {  7, 145,  85 },  // 1 = one zero mv + one a predicted mv
+        {  7, 166,  63 },  // 2 = two predicted mvs
+        {  7,  94,  66 },  // 3 = one predicted/zero and one new mv
+        {  8,  64,  46 },  // 4 = two new mvs
+        { 17,  81,  31 },  // 5 = one intra neighbor + x
+        { 25,  29,  30 },  // 6 = two intra neighbors
+    }, { /* intra */
+        9, 102, 187, 225
+    }, { /* comp */
+        239, 183, 119,  96,  41
+    }, { /* single_ref */
+        {  33,  16 },
+        {  77,  74 },
+        { 142, 142 },
+        { 172, 170 },
+        { 238, 247 }
+    }, { /* comp_ref */
+        50, 126, 123, 221, 226
+    }, { /* tx32p */
+        { 3, 136, 37, },
+        { 5,  52, 13, },
+    }, { /* tx16p */
+        { 20, 152, },
+        { 15, 101, },
+    }, { /* tx8p */
+        100, 66
+    }, { /* skip */
+        192, 128, 64
+    }, { /* mv_joint */
+        32, 64, 96
+    }, {
+        { /* mv vertical component */
+            128, /* sign */
+            { 224, 144, 192, 168, 192, 176, 192, 198, 198, 245 }, /* class */
+            216, /* class0 */
+            { 136, 140, 148, 160, 176, 192, 224, 234, 234, 240 }, /* bits */
+            { /* class0_fp */
+                { 128, 128, 64 },
+                {  96, 112, 64 }
+            },
+            { 64, 96, 64 }, /* fp */
+            160, /* class0_hp bit */
+            128, /* hp */
+        }, { /* mv horizontal component */
+            128, /* sign */
+            { 216, 128, 176, 160, 176, 176, 192, 198, 198, 208 }, /* class */
+            208, /* class0 */
+            { 136, 140, 148, 160, 176, 192, 224, 234, 234, 240 }, /* bits */
+            { /* class0_fp */
+                { 128, 128, 64 },
+                {  96, 112, 64 }
+            },
+            { 64, 96, 64 }, /* fp */
+            160, /* class0_hp bit */
+            128, /* hp */
+        }
+    }, { /* partition */
+        { /* 64x64 -> 32x32 */
+            { 222,  34,  30 } /* a/l both not split */,
+            {  72,  16,  44 } /* a split, l not split */,
+            {  58,  32,  12 } /* l split, a not split */,
+            {  10,   7,   6 } /* a/l both split */,
+        }, { /* 32x32 -> 16x16 */
+            { 177,  58,  59 } /* a/l both not split */,
+            {  68,  26,  63 } /* a split, l not split */,
+            {  52,  79,  25 } /* l split, a not split */,
+            {  17,  14,  12 } /* a/l both split */,
+        }, { /* 16x16 -> 8x8 */
+            { 174,  73,  87 } /* a/l both not split */,
+            {  92,  41,  83 } /* a split, l not split */,
+            {  82,  99,  50 } /* l split, a not split */,
+            {  53,  39,  39 } /* a/l both split */,
+        }, { /* 8x8 -> 4x4 */
+            { 199, 122, 141 } /* a/l both not split */,
+            { 147,  63, 159 } /* a split, l not split */,
+            { 148, 133, 118 } /* l split, a not split */,
+            { 121, 104, 114 } /* a/l both split */,
+        }
+    },
+};
+
+const uint8_t ff_vp9_default_coef_probs[4][2][2][6][6][3] = {
+    { /* tx = 4x4 */
+        { /* block Type 0 */
+            { /* Intra */
+                { /* Coeff Band 0 */
+                    { 195,  29, 183 },
+                    {  84,  49, 136 },
+                    {   8,  42,  71 }
+                }, { /* Coeff Band 1 */
+                    {  31, 107, 169 },
+                    {  35,  99, 159 },
+                    {  17,  82, 140 },
+                    {   8,  66, 114 },
+                    {   2,  44,  76 },
+                    {   1,  19,  32 }
+                }, { /* Coeff Band 2 */
+                    {  40, 132, 201 },
+                    {  29, 114, 187 },
+                    {  13,  91, 157 },
+                    {   7,  75, 127 },
+                    {   3,  58,  95 },
+                    {   1,  28,  47 }
+                }, { /* Coeff Band 3 */
+                    {  69, 142, 221 },
+                    {  42, 122, 201 },
+                    {  15,  91, 159 },
+                    {   6,  67, 121 },
+                    {   1,  42,  77 },
+                    {   1,  17,  31 }
+                }, { /* Coeff Band 4 */
+                    { 102, 148, 228 },
+                    {  67, 117, 204 },
+                    {  17,  82, 154 },
+                    {   6,  59, 114 },
+                    {   2,  39,  75 },
+                    {   1,  15,  29 }
+                }, { /* Coeff Band 5 */
+                    { 156,  57, 233 },
+                    { 119,  57, 212 },
+                    {  58,  48, 163 },
+                    {  29,  40, 124 },
+                    {  12,  30,  81 },
+                    {   3,  12,  31 }
+                }
+            }, { /* Inter */
+                { /* Coeff Band 0 */
+                    { 191, 107, 226 },
+                    { 124, 117, 204 },
+                    {  25,  99, 155 }
+                }, { /* Coeff Band 1 */
+                    {  29, 148, 210 },
+                    {  37, 126, 194 },
+                    {   8,  93, 157 },
+                    {   2,  68, 118 },
+                    {   1,  39,  69 },
+                    {   1,  17,  33 }
+                }, { /* Coeff Band 2 */
+                    {  41, 151, 213 },
+                    {  27, 123, 193 },
+                    {   3,  82, 144 },
+                    {   1,  58, 105 },
+                    {   1,  32,  60 },
+                    {   1,  13,  26 }
+                }, { /* Coeff Band 3 */
+                    {  59, 159, 220 },
+                    {  23, 126, 198 },
+                    {   4,  88, 151 },
+                    {   1,  66, 114 },
+                    {   1,  38,  71 },
+                    {   1,  18,  34 }
+                }, { /* Coeff Band 4 */
+                    { 114, 136, 232 },
+                    {  51, 114, 207 },
+                    {  11,  83, 155 },
+                    {   3,  56, 105 },
+                    {   1,  33,  65 },
+                    {   1,  17,  34 }
+                }, { /* Coeff Band 5 */
+                    { 149,  65, 234 },
+                    { 121,  57, 215 },
+                    {  61,  49, 166 },
+                    {  28,  36, 114 },
+                    {  12,  25,  76 },
+                    {   3,  16,  42 }
+                }
+            }
+        }, { /* block Type 1 */
+            { /* Intra */
+                { /* Coeff Band 0 */
+                    { 214,  49, 220 },
+                    { 132,  63, 188 },
+                    {  42,  65, 137 }
+                }, { /* Coeff Band 1 */
+                    {  85, 137, 221 },
+                    { 104, 131, 216 },
+                    {  49, 111, 192 },
+                    {  21,  87, 155 },
+                    {   2,  49,  87 },
+                    {   1,  16,  28 }
+                }, { /* Coeff Band 2 */
+                    {  89, 163, 230 },
+                    {  90, 137, 220 },
+                    {  29, 100, 183 },
+                    {  10,  70, 135 },
+                    {   2,  42,  81 },
+                    {   1,  17,  33 }
+                }, { /* Coeff Band 3 */
+                    { 108, 167, 237 },
+                    {  55, 133, 222 },
+                    {  15,  97, 179 },
+                    {   4,  72, 135 },
+                    {   1,  45,  85 },
+                    {   1,  19,  38 }
+                }, { /* Coeff Band 4 */
+                    { 124, 146, 240 },
+                    {  66, 124, 224 },
+                    {  17,  88, 175 },
+                    {   4,  58, 122 },
+                    {   1,  36,  75 },
+                    {   1,  18,  37 }
+                }, { /* Coeff Band 5 */
+                    { 141,  79, 241 },
+                    { 126,  70, 227 },
+                    {  66,  58, 182 },
+                    {  30,  44, 136 },
+                    {  12,  34,  96 },
+                    {   2,  20,  47 }
+                }
+            }, { /* Inter */
+                { /* Coeff Band 0 */
+                    { 229,  99, 249 },
+                    { 143, 111, 235 },
+                    {  46, 109, 192 }
+                }, { /* Coeff Band 1 */
+                    {  82, 158, 236 },
+                    {  94, 146, 224 },
+                    {  25, 117, 191 },
+                    {   9,  87, 149 },
+                    {   3,  56,  99 },
+                    {   1,  33,  57 }
+                }, { /* Coeff Band 2 */
+                    {  83, 167, 237 },
+                    {  68, 145, 222 },
+                    {  10, 103, 177 },
+                    {   2,  72, 131 },
+                    {   1,  41,  79 },
+                    {   1,  20,  39 }
+                }, { /* Coeff Band 3 */
+                    {  99, 167, 239 },
+                    {  47, 141, 224 },
+                    {  10, 104, 178 },
+                    {   2,  73, 133 },
+                    {   1,  44,  85 },
+                    {   1,  22,  47 }
+                }, { /* Coeff Band 4 */
+                    { 127, 145, 243 },
+                    {  71, 129, 228 },
+                    {  17,  93, 177 },
+                    {   3,  61, 124 },
+                    {   1,  41,  84 },
+                    {   1,  21,  52 }
+                }, { /* Coeff Band 5 */
+                    { 157,  78, 244 },
+                    { 140,  72, 231 },
+                    {  69,  58, 184 },
+                    {  31,  44, 137 },
+                    {  14,  38, 105 },
+                    {   8,  23,  61 }
+                }
+            }
+        }
+    }, { /* tx = 8x8 */
+        { /* block Type 0 */
+            { /* Intra */
+                { /* Coeff Band 0 */
+                    { 125,  34, 187 },
+                    {  52,  41, 133 },
+                    {   6,  31,  56 }
+                }, { /* Coeff Band 1 */
+                    {  37, 109, 153 },
+                    {  51, 102, 147 },
+                    {  23,  87, 128 },
+                    {   8,  67, 101 },
+                    {   1,  41,  63 },
+                    {   1,  19,  29 }
+                }, { /* Coeff Band 2 */
+                    {  31, 154, 185 },
+                    {  17, 127, 175 },
+                    {   6,  96, 145 },
+                    {   2,  73, 114 },
+                    {   1,  51,  82 },
+                    {   1,  28,  45 }
+                }, { /* Coeff Band 3 */
+                    {  23, 163, 200 },
+                    {  10, 131, 185 },
+                    {   2,  93, 148 },
+                    {   1,  67, 111 },
+                    {   1,  41,  69 },
+                    {   1,  14,  24 }
+                }, { /* Coeff Band 4 */
+                    {  29, 176, 217 },
+                    {  12, 145, 201 },
+                    {   3, 101, 156 },
+                    {   1,  69, 111 },
+                    {   1,  39,  63 },
+                    {   1,  14,  23 }
+                }, { /* Coeff Band 5 */
+                    {  57, 192, 233 },
+                    {  25, 154, 215 },
+                    {   6, 109, 167 },
+                    {   3,  78, 118 },
+                    {   1,  48,  69 },
+                    {   1,  21,  29 }
+                }
+            }, { /* Inter */
+                { /* Coeff Band 0 */
+                    { 202, 105, 245 },
+                    { 108, 106, 216 },
+                    {  18,  90, 144 }
+                }, { /* Coeff Band 1 */
+                    {  33, 172, 219 },
+                    {  64, 149, 206 },
+                    {  14, 117, 177 },
+                    {   5,  90, 141 },
+                    {   2,  61,  95 },
+                    {   1,  37,  57 }
+                }, { /* Coeff Band 2 */
+                    {  33, 179, 220 },
+                    {  11, 140, 198 },
+                    {   1,  89, 148 },
+                    {   1,  60, 104 },
+                    {   1,  33,  57 },
+                    {   1,  12,  21 }
+                }, { /* Coeff Band 3 */
+                    {  30, 181, 221 },
+                    {   8, 141, 198 },
+                    {   1,  87, 145 },
+                    {   1,  58, 100 },
+                    {   1,  31,  55 },
+                    {   1,  12,  20 }
+                }, { /* Coeff Band 4 */
+                    {  32, 186, 224 },
+                    {   7, 142, 198 },
+                    {   1,  86, 143 },
+                    {   1,  58, 100 },
+                    {   1,  31,  55 },
+                    {   1,  12,  22 }
+                }, { /* Coeff Band 5 */
+                    {  57, 192, 227 },
+                    {  20, 143, 204 },
+                    {   3,  96, 154 },
+                    {   1,  68, 112 },
+                    {   1,  42,  69 },
+                    {   1,  19,  32 }
+                }
+            }
+        }, { /* block Type 1 */
+            { /* Intra */
+                { /* Coeff Band 0 */
+                    { 212,  35, 215 },
+                    { 113,  47, 169 },
+                    {  29,  48, 105 }
+                }, { /* Coeff Band 1 */
+                    {  74, 129, 203 },
+                    { 106, 120, 203 },
+                    {  49, 107, 178 },
+                    {  19,  84, 144 },
+                    {   4,  50,  84 },
+                    {   1,  15,  25 }
+                }, { /* Coeff Band 2 */
+                    {  71, 172, 217 },
+                    {  44, 141, 209 },
+                    {  15, 102, 173 },
+                    {   6,  76, 133 },
+                    {   2,  51,  89 },
+                    {   1,  24,  42 }
+                }, { /* Coeff Band 3 */
+                    {  64, 185, 231 },
+                    {  31, 148, 216 },
+                    {   8, 103, 175 },
+                    {   3,  74, 131 },
+                    {   1,  46,  81 },
+                    {   1,  18,  30 }
+                }, { /* Coeff Band 4 */
+                    {  65, 196, 235 },
+                    {  25, 157, 221 },
+                    {   5, 105, 174 },
+                    {   1,  67, 120 },
+                    {   1,  38,  69 },
+                    {   1,  15,  30 }
+                }, { /* Coeff Band 5 */
+                    {  65, 204, 238 },
+                    {  30, 156, 224 },
+                    {   7, 107, 177 },
+                    {   2,  70, 124 },
+                    {   1,  42,  73 },
+                    {   1,  18,  34 }
+                }
+            }, { /* Inter */
+                { /* Coeff Band 0 */
+                    { 225,  86, 251 },
+                    { 144, 104, 235 },
+                    {  42,  99, 181 }
+                }, { /* Coeff Band 1 */
+                    {  85, 175, 239 },
+                    { 112, 165, 229 },
+                    {  29, 136, 200 },
+                    {  12, 103, 162 },
+                    {   6,  77, 123 },
+                    {   2,  53,  84 }
+                }, { /* Coeff Band 2 */
+                    {  75, 183, 239 },
+                    {  30, 155, 221 },
+                    {   3, 106, 171 },
+                    {   1,  74, 128 },
+                    {   1,  44,  76 },
+                    {   1,  17,  28 }
+                }, { /* Coeff Band 3 */
+                    {  73, 185, 240 },
+                    {  27, 159, 222 },
+                    {   2, 107, 172 },
+                    {   1,  75, 127 },
+                    {   1,  42,  73 },
+                    {   1,  17,  29 }
+                }, { /* Coeff Band 4 */
+                    {  62, 190, 238 },
+                    {  21, 159, 222 },
+                    {   2, 107, 172 },
+                    {   1,  72, 122 },
+                    {   1,  40,  71 },
+                    {   1,  18,  32 }
+                }, { /* Coeff Band 5 */
+                    {  61, 199, 240 },
+                    {  27, 161, 226 },
+                    {   4, 113, 180 },
+                    {   1,  76, 129 },
+                    {   1,  46,  80 },
+                    {   1,  23,  41 }
+                }
+            }
+        }
+    }, { /* tx = 16x16 */
+        { /* block Type 0 */
+            { /* Intra */
+                { /* Coeff Band 0 */
+                    {   7,  27, 153 },
+                    {   5,  30,  95 },
+                    {   1,  16,  30 }
+                }, { /* Coeff Band 1 */
+                    {  50,  75, 127 },
+                    {  57,  75, 124 },
+                    {  27,  67, 108 },
+                    {  10,  54,  86 },
+                    {   1,  33,  52 },
+                    {   1,  12,  18 }
+                }, { /* Coeff Band 2 */
+                    {  43, 125, 151 },
+                    {  26, 108, 148 },
+                    {   7,  83, 122 },
+                    {   2,  59,  89 },
+                    {   1,  38,  60 },
+                    {   1,  17,  27 }
+                }, { /* Coeff Band 3 */
+                    {  23, 144, 163 },
+                    {  13, 112, 154 },
+                    {   2,  75, 117 },
+                    {   1,  50,  81 },
+                    {   1,  31,  51 },
+                    {   1,  14,  23 }
+                }, { /* Coeff Band 4 */
+                    {  18, 162, 185 },
+                    {   6, 123, 171 },
+                    {   1,  78, 125 },
+                    {   1,  51,  86 },
+                    {   1,  31,  54 },
+                    {   1,  14,  23 }
+                }, { /* Coeff Band 5 */
+                    {  15, 199, 227 },
+                    {   3, 150, 204 },
+                    {   1,  91, 146 },
+                    {   1,  55,  95 },
+                    {   1,  30,  53 },
+                    {   1,  11,  20 }
+                }
+            }, { /* Inter */
+                { /* Coeff Band 0 */
+                    {  19,  55, 240 },
+                    {  19,  59, 196 },
+                    {   3,  52, 105 }
+                }, { /* Coeff Band 1 */
+                    {  41, 166, 207 },
+                    { 104, 153, 199 },
+                    {  31, 123, 181 },
+                    {  14, 101, 152 },
+                    {   5,  72, 106 },
+                    {   1,  36,  52 }
+                }, { /* Coeff Band 2 */
+                    {  35, 176, 211 },
+                    {  12, 131, 190 },
+                    {   2,  88, 144 },
+                    {   1,  60, 101 },
+                    {   1,  36,  60 },
+                    {   1,  16,  28 }
+                }, { /* Coeff Band 3 */
+                    {  28, 183, 213 },
+                    {   8, 134, 191 },
+                    {   1,  86, 142 },
+                    {   1,  56,  96 },
+                    {   1,  30,  53 },
+                    {   1,  12,  20 }
+                }, { /* Coeff Band 4 */
+                    {  20, 190, 215 },
+                    {   4, 135, 192 },
+                    {   1,  84, 139 },
+                    {   1,  53,  91 },
+                    {   1,  28,  49 },
+                    {   1,  11,  20 }
+                }, { /* Coeff Band 5 */
+                    {  13, 196, 216 },
+                    {   2, 137, 192 },
+                    {   1,  86, 143 },
+                    {   1,  57,  99 },
+                    {   1,  32,  56 },
+                    {   1,  13,  24 }
+                }
+            }
+        }, { /* block Type 1 */
+            { /* Intra */
+                { /* Coeff Band 0 */
+                    { 211,  29, 217 },
+                    {  96,  47, 156 },
+                    {  22,  43,  87 }
+                }, { /* Coeff Band 1 */
+                    {  78, 120, 193 },
+                    { 111, 116, 186 },
+                    {  46, 102, 164 },
+                    {  15,  80, 128 },
+                    {   2,  49,  76 },
+                    {   1,  18,  28 }
+                }, { /* Coeff Band 2 */
+                    {  71, 161, 203 },
+                    {  42, 132, 192 },
+                    {  10,  98, 150 },
+                    {   3,  69, 109 },
+                    {   1,  44,  70 },
+                    {   1,  18,  29 }
+                }, { /* Coeff Band 3 */
+                    {  57, 186, 211 },
+                    {  30, 140, 196 },
+                    {   4,  93, 146 },
+                    {   1,  62, 102 },
+                    {   1,  38,  65 },
+                    {   1,  16,  27 }
+                }, { /* Coeff Band 4 */
+                    {  47, 199, 217 },
+                    {  14, 145, 196 },
+                    {   1,  88, 142 },
+                    {   1,  57,  98 },
+                    {   1,  36,  62 },
+                    {   1,  15,  26 }
+                }, { /* Coeff Band 5 */
+                    {  26, 219, 229 },
+                    {   5, 155, 207 },
+                    {   1,  94, 151 },
+                    {   1,  60, 104 },
+                    {   1,  36,  62 },
+                    {   1,  16,  28 }
+                }
+            }, { /* Inter */
+                { /* Coeff Band 0 */
+                    { 233,  29, 248 },
+                    { 146,  47, 220 },
+                    {  43,  52, 140 }
+                }, { /* Coeff Band 1 */
+                    { 100, 163, 232 },
+                    { 179, 161, 222 },
+                    {  63, 142, 204 },
+                    {  37, 113, 174 },
+                    {  26,  89, 137 },
+                    {  18,  68,  97 }
+                }, { /* Coeff Band 2 */
+                    {  85, 181, 230 },
+                    {  32, 146, 209 },
+                    {   7, 100, 164 },
+                    {   3,  71, 121 },
+                    {   1,  45,  77 },
+                    {   1,  18,  30 }
+                }, { /* Coeff Band 3 */
+                    {  65, 187, 230 },
+                    {  20, 148, 207 },
+                    {   2,  97, 159 },
+                    {   1,  68, 116 },
+                    {   1,  40,  70 },
+                    {   1,  14,  29 }
+                }, { /* Coeff Band 4 */
+                    {  40, 194, 227 },
+                    {   8, 147, 204 },
+                    {   1,  94, 155 },
+                    {   1,  65, 112 },
+                    {   1,  39,  66 },
+                    {   1,  14,  26 }
+                }, { /* Coeff Band 5 */
+                    {  16, 208, 228 },
+                    {   3, 151, 207 },
+                    {   1,  98, 160 },
+                    {   1,  67, 117 },
+                    {   1,  41,  74 },
+                    {   1,  17,  31 }
+                }
+            }
+        }
+    }, { /* tx = 32x32 */
+        { /* block Type 0 */
+            { /* Intra */
+                { /* Coeff Band 0 */
+                    {  17,  38, 140 },
+                    {   7,  34,  80 },
+                    {   1,  17,  29 }
+                }, { /* Coeff Band 1 */
+                    {  37,  75, 128 },
+                    {  41,  76, 128 },
+                    {  26,  66, 116 },
+                    {  12,  52,  94 },
+                    {   2,  32,  55 },
+                    {   1,  10,  16 }
+                }, { /* Coeff Band 2 */
+                    {  50, 127, 154 },
+                    {  37, 109, 152 },
+                    {  16,  82, 121 },
+                    {   5,  59,  85 },
+                    {   1,  35,  54 },
+                    {   1,  13,  20 }
+                }, { /* Coeff Band 3 */
+                    {  40, 142, 167 },
+                    {  17, 110, 157 },
+                    {   2,  71, 112 },
+                    {   1,  44,  72 },
+                    {   1,  27,  45 },
+                    {   1,  11,  17 }
+                }, { /* Coeff Band 4 */
+                    {  30, 175, 188 },
+                    {   9, 124, 169 },
+                    {   1,  74, 116 },
+                    {   1,  48,  78 },
+                    {   1,  30,  49 },
+                    {   1,  11,  18 }
+                }, { /* Coeff Band 5 */
+                    {  10, 222, 223 },
+                    {   2, 150, 194 },
+                    {   1,  83, 128 },
+                    {   1,  48,  79 },
+                    {   1,  27,  45 },
+                    {   1,  11,  17 }
+                }
+            }, { /* Inter */
+                { /* Coeff Band 0 */
+                    {  36,  41, 235 },
+                    {  29,  36, 193 },
+                    {  10,  27, 111 }
+                }, { /* Coeff Band 1 */
+                    {  85, 165, 222 },
+                    { 177, 162, 215 },
+                    { 110, 135, 195 },
+                    {  57, 113, 168 },
+                    {  23,  83, 120 },
+                    {  10,  49,  61 }
+                }, { /* Coeff Band 2 */
+                    {  85, 190, 223 },
+                    {  36, 139, 200 },
+                    {   5,  90, 146 },
+                    {   1,  60, 103 },
+                    {   1,  38,  65 },
+                    {   1,  18,  30 }
+                }, { /* Coeff Band 3 */
+                    {  72, 202, 223 },
+                    {  23, 141, 199 },
+                    {   2,  86, 140 },
+                    {   1,  56,  97 },
+                    {   1,  36,  61 },
+                    {   1,  16,  27 }
+                }, { /* Coeff Band 4 */
+                    {  55, 218, 225 },
+                    {  13, 145, 200 },
+                    {   1,  86, 141 },
+                    {   1,  57,  99 },
+                    {   1,  35,  61 },
+                    {   1,  13,  22 }
+                }, { /* Coeff Band 5 */
+                    {  15, 235, 212 },
+                    {   1, 132, 184 },
+                    {   1,  84, 139 },
+                    {   1,  57,  97 },
+                    {   1,  34,  56 },
+                    {   1,  14,  23 }
+                }
+            }
+        }, { /* block Type 1 */
+            { /* Intra */
+                { /* Coeff Band 0 */
+                    { 181,  21, 201 },
+                    {  61,  37, 123 },
+                    {  10,  38,  71 }
+                }, { /* Coeff Band 1 */
+                    {  47, 106, 172 },
+                    {  95, 104, 173 },
+                    {  42,  93, 159 },
+                    {  18,  77, 131 },
+                    {   4,  50,  81 },
+                    {   1,  17,  23 }
+                }, { /* Coeff Band 2 */
+                    {  62, 147, 199 },
+                    {  44, 130, 189 },
+                    {  28, 102, 154 },
+                    {  18,  75, 115 },
+                    {   2,  44,  65 },
+                    {   1,  12,  19 }
+                }, { /* Coeff Band 3 */
+                    {  55, 153, 210 },
+                    {  24, 130, 194 },
+                    {   3,  93, 146 },
+                    {   1,  61,  97 },
+                    {   1,  31,  50 },
+                    {   1,  10,  16 }
+                }, { /* Coeff Band 4 */
+                    {  49, 186, 223 },
+                    {  17, 148, 204 },
+                    {   1,  96, 142 },
+                    {   1,  53,  83 },
+                    {   1,  26,  44 },
+                    {   1,  11,  17 }
+                }, { /* Coeff Band 5 */
+                    {  13, 217, 212 },
+                    {   2, 136, 180 },
+                    {   1,  78, 124 },
+                    {   1,  50,  83 },
+                    {   1,  29,  49 },
+                    {   1,  14,  23 }
+                }
+            }, { /* Inter */
+                { /* Coeff Band 0 */
+                    { 197,  13, 247 },
+                    {  82,  17, 222 },
+                    {  25,  17, 162 }
+                }, { /* Coeff Band 1 */
+                    { 126, 186, 247 },
+                    { 234, 191, 243 },
+                    { 176, 177, 234 },
+                    { 104, 158, 220 },
+                    {  66, 128, 186 },
+                    {  55,  90, 137 }
+                }, { /* Coeff Band 2 */
+                    { 111, 197, 242 },
+                    {  46, 158, 219 },
+                    {   9, 104, 171 },
+                    {   2,  65, 125 },
+                    {   1,  44,  80 },
+                    {   1,  17,  91 }
+                }, { /* Coeff Band 3 */
+                    { 104, 208, 245 },
+                    {  39, 168, 224 },
+                    {   3, 109, 162 },
+                    {   1,  79, 124 },
+                    {   1,  50, 102 },
+                    {   1,  43, 102 }
+                }, { /* Coeff Band 4 */
+                    {  84, 220, 246 },
+                    {  31, 177, 231 },
+                    {   2, 115, 180 },
+                    {   1,  79, 134 },
+                    {   1,  55,  77 },
+                    {   1,  60,  79 }
+                }, { /* Coeff Band 5 */
+                    {  43, 243, 240 },
+                    {   8, 180, 217 },
+                    {   1, 115, 166 },
+                    {   1,  84, 121 },
+                    {   1,  51,  67 },
+                    {   1,  16,   6 }
+                }
+            }
+        }
+    }
+};
+
+const int8_t ff_vp9_mv_joint_tree[3][2] = {
+    { -MV_JOINT_ZERO, 1 },                  // '0'
+        { -MV_JOINT_H, 2 },                 // '10'
+            { -MV_JOINT_V, -MV_JOINT_HV },  // '11x'
+};
+
+const int8_t ff_vp9_mv_class_tree[10][2] = {
+    { -0,   1 },                          // '0'
+        { -1,   2 },                      // '10'
+            {  3,   4 },
+                { -2,  -3 },              // '110x'
+                {  5,   6 },
+                    { -4,  -5 },          // '1110x'
+                    { -6,   7 },          // '11110'
+                        {  8,   9 },
+                            { -7,  -8 },  // '111110x'
+                            { -9, -10 },  // '111111x'
+};
+
+const int8_t ff_vp9_mv_fp_tree[3][2] = {
+    { -0,  1 },          // '0'
+        { -1,  2 },      // '10'
+            { -2, -3 },  // '11x'
+};
diff --git a/media/ffvpx/libavcodec/vp9data.h b/media/ffvpx/libavcodec/vp9data.h
index cb12e7e94..086dbdec0 100644
--- a/media/ffvpx/libavcodec/vp9data.h
+++ b/media/ffvpx/libavcodec/vp9data.h
@@ -24,2254 +24,48 @@
 
 #include <stdint.h>
 
-#include "vp9.h"
-
-static const int8_t vp9_partition_tree[3][2] = {
-    { -PARTITION_NONE, 1 },               // '0'
-     { -PARTITION_H, 2 },                 // '10'
-      { -PARTITION_V, -PARTITION_SPLIT }, // '110', '111'
-};
-
-static const uint8_t vp9_default_kf_partition_probs[4][4][3] = {
-    { /* 64x64 -> 32x32 */
-        { 174,  35,  49 } /* a/l both not split */,
-        {  68,  11,  27 } /* a split, l not split */,
-        {  57,  15,   9 } /* l split, a not split */,
-        {  12,   3,   3 } /* a/l both split */
-    }, { /* 32x32 -> 16x16 */
-        { 150,  40,  39 } /* a/l both not split */,
-        {  78,  12,  26 } /* a split, l not split */,
-        {  67,  33,  11 } /* l split, a not split */,
-        {  24,   7,   5 } /* a/l both split */,
-    }, { /* 16x16 -> 8x8 */
-        { 149,  53,  53 } /* a/l both not split */,
-        {  94,  20,  48 } /* a split, l not split */,
-        {  83,  53,  24 } /* l split, a not split */,
-        {  52,  18,  18 } /* a/l both split */,
-    }, { /* 8x8 -> 4x4 */
-        { 158,  97,  94 } /* a/l both not split */,
-        {  93,  24,  99 } /* a split, l not split */,
-        {  85, 119,  44 } /* l split, a not split */,
-        {  62,  59,  67 } /* a/l both split */,
-    },
-};
-
-static const int8_t vp9_segmentation_tree[7][2] = {
-    { 1, 2 },
-     { 3, 4 },
-     { 5, 6 },
-      { -0, -1 }, // '00x'
-      { -2, -3 }, // '01x'
-      { -4, -5 }, // '10x'
-      { -6, -7 }, // '11x'
-};
-
-static const int8_t vp9_intramode_tree[9][2] = {
-    { -DC_PRED, 1 },                                  // '0'
-     { -TM_VP8_PRED, 2 },                             // '10'
-      { -VERT_PRED, 3 },                              // '110'
-       { 4, 6 },
-        { -HOR_PRED, 5 },                             // '11100'
-         { -DIAG_DOWN_RIGHT_PRED, -VERT_RIGHT_PRED }, // '11101x'
-        { -DIAG_DOWN_LEFT_PRED, 7 },                  // '11110'
-         { -VERT_LEFT_PRED, 8 },                      // '111110'
-          { -HOR_DOWN_PRED, -HOR_UP_PRED },           // '111111x'
-};
-
-static const uint8_t vp9_default_kf_ymode_probs[10][10][9] = {
-    { /* above = v */
-        {  43,  46, 168, 134, 107, 128,  69, 142,  92 } /* left = v */,
-        {  44,  29,  68, 159, 201, 177,  50,  57,  77 } /* left = h */,
-        {  63,  36, 126, 146, 123, 158,  60,  90,  96 } /* left = dc */,
-        {  58,  38,  76, 114,  97, 172,  78, 133,  92 } /* left = d45 */,
-        {  46,  41,  76, 140,  63, 184,  69, 112,  57 } /* left = d135 */,
-        {  38,  32,  85, 140,  46, 112,  54, 151, 133 } /* left = d117 */,
-        {  39,  27,  61, 131, 110, 175,  44,  75, 136 } /* left = d153 */,
-        {  47,  35,  80, 100,  74, 143,  64, 163,  74 } /* left = d63 */,
-        {  52,  30,  74, 113, 130, 175,  51,  64,  58 } /* left = d27 */,
-        {  36,  61, 116, 114, 128, 162,  80, 125,  82 } /* left = tm */
-    }, { /* above = h */
-        {  55,  44,  68, 166, 179, 192,  57,  57, 108 } /* left = v */,
-        {  42,  26,  11, 199, 241, 228,  23,  15,  85 } /* left = h */,
-        {  82,  26,  26, 171, 208, 204,  44,  32, 105 } /* left = dc */,
-        {  68,  42,  19, 131, 160, 199,  55,  52,  83 } /* left = d45 */,
-        {  58,  50,  25, 139, 115, 232,  39,  52, 118 } /* left = d135 */,
-        {  50,  35,  33, 153, 104, 162,  64,  59, 131 } /* left = d117 */,
-        {  44,  24,  16, 150, 177, 202,  33,  19, 156 } /* left = d153 */,
-        {  53,  49,  21, 110, 116, 168,  59,  80,  76 } /* left = d63 */,
-        {  55,  27,  12, 153, 203, 218,  26,  27,  49 } /* left = d27 */,
-        {  38,  72,  19, 168, 203, 212,  50,  50, 107 } /* left = tm */
-    }, { /* above = dc */
-        {  92,  45, 102, 136, 116, 180,  74,  90, 100 } /* left = v */,
-        {  73,  32,  19, 187, 222, 215,  46,  34, 100 } /* left = h */,
-        { 137,  30,  42, 148, 151, 207,  70,  52,  91 } /* left = dc */,
-        {  91,  30,  32, 116, 121, 186,  93,  86,  94 } /* left = d45 */,
-        {  72,  35,  36, 149,  68, 206,  68,  63, 105 } /* left = d135 */,
-        {  73,  31,  28, 138,  57, 124,  55, 122, 151 } /* left = d117 */,
-        {  67,  23,  21, 140, 126, 197,  40,  37, 171 } /* left = d153 */,
-        {  74,  32,  27, 107,  86, 160,  63, 134, 102 } /* left = d63 */,
-        {  86,  27,  28, 128, 154, 212,  45,  43,  53 } /* left = d27 */,
-        {  59,  67,  44, 140, 161, 202,  78,  67, 119 } /* left = tm */
-    }, { /* above = d45 */
-        {  59,  38,  83, 112, 103, 162,  98, 136,  90 } /* left = v */,
-        {  62,  30,  23, 158, 200, 207,  59,  57,  50 } /* left = h */,
-        { 103,  26,  36, 129, 132, 201,  83,  80,  93 } /* left = dc */,
-        {  67,  30,  29,  84,  86, 191, 102,  91,  59 } /* left = d45 */,
-        {  60,  32,  33, 112,  71, 220,  64,  89, 104 } /* left = d135 */,
-        {  53,  26,  34, 130,  56, 149,  84, 120, 103 } /* left = d117 */,
-        {  53,  21,  23, 133, 109, 210,  56,  77, 172 } /* left = d153 */,
-        {  61,  29,  29,  93,  97, 165,  83, 175, 162 } /* left = d63 */,
-        {  77,  19,  29, 112, 142, 228,  55,  66,  36 } /* left = d27 */,
-        {  47,  47,  43, 114, 137, 181, 100,  99,  95 } /* left = tm */
-    }, { /* above = d135 */
-        {  53,  40,  55, 139,  69, 183,  61,  80, 110 } /* left = v */,
-        {  40,  29,  19, 161, 180, 207,  43,  24,  91 } /* left = h */,
-        {  69,  23,  29, 128,  83, 199,  46,  44, 101 } /* left = dc */,
-        {  60,  34,  19, 105,  61, 198,  53,  64,  89 } /* left = d45 */,
-        {  52,  31,  22, 158,  40, 209,  58,  62,  89 } /* left = d135 */,
-        {  44,  31,  29, 147,  46, 158,  56, 102, 198 } /* left = d117 */,
-        {  35,  19,  12, 135,  87, 209,  41,  45, 167 } /* left = d153 */,
-        {  51,  38,  25, 113,  58, 164,  70,  93,  97 } /* left = d63 */,
-        {  55,  25,  21, 118,  95, 215,  38,  39,  66 } /* left = d27 */,
-        {  47,  54,  34, 146, 108, 203,  72, 103, 151 } /* left = tm */
-    }, { /* above = d117 */
-        {  46,  27,  80, 150,  55, 124,  55, 121, 135 } /* left = v */,
-        {  36,  23,  27, 165, 149, 166,  54,  64, 118 } /* left = h */,
-        {  64,  19,  37, 156,  66, 138,  49,  95, 133 } /* left = dc */,
-        {  53,  21,  36, 131,  63, 163,  60, 109,  81 } /* left = d45 */,
-        {  40,  26,  35, 154,  40, 185,  51,  97, 123 } /* left = d135 */,
-        {  35,  19,  34, 179,  19,  97,  48, 129, 124 } /* left = d117 */,
-        {  36,  20,  26, 136,  62, 164,  33,  77, 154 } /* left = d153 */,
-        {  45,  26,  28, 129,  45, 129,  49, 147, 123 } /* left = d63 */,
-        {  45,  18,  32, 130,  90, 157,  40,  79,  91 } /* left = d27 */,
-        {  38,  44,  51, 136,  74, 162,  57,  97, 121 } /* left = tm */
-    }, { /* above = d153 */
-        {  56,  39,  58, 133, 117, 173,  48,  53, 187 } /* left = v */,
-        {  35,  21,  12, 161, 212, 207,  20,  23, 145 } /* left = h */,
-        {  75,  17,  22, 136, 138, 185,  32,  34, 166 } /* left = dc */,
-        {  56,  29,  19, 117, 109, 181,  55,  68, 112 } /* left = d45 */,
-        {  47,  29,  17, 153,  64, 220,  59,  51, 114 } /* left = d135 */,
-        {  46,  16,  24, 136,  76, 147,  41,  64, 172 } /* left = d117 */,
-        {  34,  17,  11, 108, 152, 187,  13,  15, 209 } /* left = d153 */,
-        {  55,  30,  18, 122,  79, 179,  44,  88, 116 } /* left = d63 */,
-        {  51,  24,  14, 115, 133, 209,  32,  26, 104 } /* left = d27 */,
-        {  37,  49,  25, 129, 168, 164,  41,  54, 148 } /* left = tm */
-    }, { /* above = d63 */
-        {  48,  34,  86, 101,  92, 146,  78, 179, 134 } /* left = v */,
-        {  47,  22,  24, 138, 187, 178,  68,  69,  59 } /* left = h */,
-        {  78,  23,  39, 111, 117, 170,  74, 124,  94 } /* left = dc */,
-        {  56,  25,  33, 105, 112, 187,  95, 177, 129 } /* left = d45 */,
-        {  48,  31,  27, 114,  63, 183,  82, 116,  56 } /* left = d135 */,
-        {  43,  28,  37, 121,  63, 123,  61, 192, 169 } /* left = d117 */,
-        {  42,  17,  24, 109,  97, 177,  56,  76, 122 } /* left = d153 */,
-        {  46,  23,  32,  74,  86, 150,  67, 183,  88 } /* left = d63 */,
-        {  58,  18,  28, 105, 139, 182,  70,  92,  63 } /* left = d27 */,
-        {  36,  38,  48,  92, 122, 165,  88, 137,  91 } /* left = tm */
-    }, { /* above = d27 */
-        {  62,  44,  61, 123, 105, 189,  48,  57,  64 } /* left = v */,
-        {  47,  25,  17, 175, 222, 220,  24,  30,  86 } /* left = h */,
-        {  82,  22,  32, 127, 143, 213,  39,  41,  70 } /* left = dc */,
-        {  68,  36,  17, 106, 102, 206,  59,  74,  74 } /* left = d45 */,
-        {  57,  39,  23, 151,  68, 216,  55,  63,  58 } /* left = d135 */,
-        {  49,  30,  35, 141,  70, 168,  82,  40, 115 } /* left = d117 */,
-        {  51,  25,  15, 136, 129, 202,  38,  35, 139 } /* left = d153 */,
-        {  59,  39,  19, 114,  75, 180,  77, 104,  42 } /* left = d63 */,
-        {  68,  26,  16, 111, 141, 215,  29,  28,  28 } /* left = d27 */,
-        {  40,  61,  26, 126, 152, 206,  61,  59,  93 } /* left = tm */
-    }, { /* above = tm */
-        {  44,  78, 115, 132, 119, 173,  71, 112,  93 } /* left = v */,
-        {  39,  38,  21, 184, 227, 206,  42,  32,  64 } /* left = h */,
-        {  65,  70,  60, 155, 159, 199,  61,  60,  81 } /* left = dc */,
-        {  58,  47,  36, 124, 137, 193,  80,  82,  78 } /* left = d45 */,
-        {  49,  50,  35, 144,  95, 205,  63,  78,  59 } /* left = d135 */,
-        {  41,  53,  52, 148,  71, 142,  65, 128,  51 } /* left = d117 */,
-        {  40,  36,  28, 143, 143, 202,  40,  55, 137 } /* left = d153 */,
-        {  42,  44,  44, 104, 105, 164,  64, 130,  80 } /* left = d63 */,
-        {  52,  34,  29, 129, 183, 227,  42,  35,  43 } /* left = d27 */,
-        {  43,  81,  53, 140, 169, 204,  68,  84,  72 } /* left = tm */
-    }
-};
-
-static const uint8_t vp9_default_kf_uvmode_probs[10][9] = {
-    { 118,  15, 123, 148, 131, 101,  44,  93, 131 } /* y = v */,
-    { 113,  12,  23, 188, 226, 142,  26,  32, 125 } /* y = h */,
-    { 144,  11,  54, 157, 195, 130,  46,  58, 108 } /* y = dc */,
-    { 120,  11,  50, 123, 163, 135,  64,  77, 103 } /* y = d45 */,
-    { 113,   9,  36, 155, 111, 157,  32,  44, 161 } /* y = d135 */,
-    { 116,   9,  55, 176,  76,  96,  37,  61, 149 } /* y = d117 */,
-    { 115,   9,  28, 141, 161, 167,  21,  25, 193 } /* y = d153 */,
-    { 116,  12,  64, 120, 140, 125,  49, 115, 121 } /* y = d63 */,
-    { 120,  12,  32, 145, 195, 142,  32,  38,  86 } /* y = d27 */,
-    { 102,  19,  66, 162, 182, 122,  35,  59, 128 } /* y = tm */
-};
-
-static const int8_t vp9_inter_mode_tree[3][2] = {
-    { -ZEROMV, 1 },        // '0'
-     { -NEARESTMV, 2 },    // '10'
-      { -NEARMV, -NEWMV }, // '11x'
-};
-
-static const int8_t vp9_filter_tree[2][2] = {
-    { -0, 1 },   // '0'
-     { -1, -2 }, // '1x'
-};
-
-static const enum FilterMode vp9_filter_lut[3] = {
-    FILTER_8TAP_REGULAR,
-    FILTER_8TAP_SMOOTH,
-    FILTER_8TAP_SHARP,
-};
-
-static const int16_t vp9_dc_qlookup[3][256] = {
-    {
-            4,     8,     8,     9,    10,    11,    12,    12,
-           13,    14,    15,    16,    17,    18,    19,    19,
-           20,    21,    22,    23,    24,    25,    26,    26,
-           27,    28,    29,    30,    31,    32,    32,    33,
-           34,    35,    36,    37,    38,    38,    39,    40,
-           41,    42,    43,    43,    44,    45,    46,    47,
-           48,    48,    49,    50,    51,    52,    53,    53,
-           54,    55,    56,    57,    57,    58,    59,    60,
-           61,    62,    62,    63,    64,    65,    66,    66,
-           67,    68,    69,    70,    70,    71,    72,    73,
-           74,    74,    75,    76,    77,    78,    78,    79,
-           80,    81,    81,    82,    83,    84,    85,    85,
-           87,    88,    90,    92,    93,    95,    96,    98,
-           99,   101,   102,   104,   105,   107,   108,   110,
-          111,   113,   114,   116,   117,   118,   120,   121,
-          123,   125,   127,   129,   131,   134,   136,   138,
-          140,   142,   144,   146,   148,   150,   152,   154,
-          156,   158,   161,   164,   166,   169,   172,   174,
-          177,   180,   182,   185,   187,   190,   192,   195,
-          199,   202,   205,   208,   211,   214,   217,   220,
-          223,   226,   230,   233,   237,   240,   243,   247,
-          250,   253,   257,   261,   265,   269,   272,   276,
-          280,   284,   288,   292,   296,   300,   304,   309,
-          313,   317,   322,   326,   330,   335,   340,   344,
-          349,   354,   359,   364,   369,   374,   379,   384,
-          389,   395,   400,   406,   411,   417,   423,   429,
-          435,   441,   447,   454,   461,   467,   475,   482,
-          489,   497,   505,   513,   522,   530,   539,   549,
-          559,   569,   579,   590,   602,   614,   626,   640,
-          654,   668,   684,   700,   717,   736,   755,   775,
-          796,   819,   843,   869,   896,   925,   955,   988,
-         1022,  1058,  1098,  1139,  1184,  1232,  1282,  1336,
-    }, {
-            4,     9,    10,    13,    15,    17,    20,    22,
-           25,    28,    31,    34,    37,    40,    43,    47,
-           50,    53,    57,    60,    64,    68,    71,    75,
-           78,    82,    86,    90,    93,    97,   101,   105,
-          109,   113,   116,   120,   124,   128,   132,   136,
-          140,   143,   147,   151,   155,   159,   163,   166,
-          170,   174,   178,   182,   185,   189,   193,   197,
-          200,   204,   208,   212,   215,   219,   223,   226,
-          230,   233,   237,   241,   244,   248,   251,   255,
-          259,   262,   266,   269,   273,   276,   280,   283,
-          287,   290,   293,   297,   300,   304,   307,   310,
-          314,   317,   321,   324,   327,   331,   334,   337,
-          343,   350,   356,   362,   369,   375,   381,   387,
-          394,   400,   406,   412,   418,   424,   430,   436,
-          442,   448,   454,   460,   466,   472,   478,   484,
-          490,   499,   507,   516,   525,   533,   542,   550,
-          559,   567,   576,   584,   592,   601,   609,   617,
-          625,   634,   644,   655,   666,   676,   687,   698,
-          708,   718,   729,   739,   749,   759,   770,   782,
-          795,   807,   819,   831,   844,   856,   868,   880,
-          891,   906,   920,   933,   947,   961,   975,   988,
-         1001,  1015,  1030,  1045,  1061,  1076,  1090,  1105,
-         1120,  1137,  1153,  1170,  1186,  1202,  1218,  1236,
-         1253,  1271,  1288,  1306,  1323,  1342,  1361,  1379,
-         1398,  1416,  1436,  1456,  1476,  1496,  1516,  1537,
-         1559,  1580,  1601,  1624,  1647,  1670,  1692,  1717,
-         1741,  1766,  1791,  1817,  1844,  1871,  1900,  1929,
-         1958,  1990,  2021,  2054,  2088,  2123,  2159,  2197,
-         2236,  2276,  2319,  2363,  2410,  2458,  2508,  2561,
-         2616,  2675,  2737,  2802,  2871,  2944,  3020,  3102,
-         3188,  3280,  3375,  3478,  3586,  3702,  3823,  3953,
-         4089,  4236,  4394,  4559,  4737,  4929,  5130,  5347,
-    }, {
-            4,    12,    18,    25,    33,    41,    50,    60,
-           70,    80,    91,   103,   115,   127,   140,   153,
-          166,   180,   194,   208,   222,   237,   251,   266,
-          281,   296,   312,   327,   343,   358,   374,   390,
-          405,   421,   437,   453,   469,   484,   500,   516,
-          532,   548,   564,   580,   596,   611,   627,   643,
-          659,   674,   690,   706,   721,   737,   752,   768,
-          783,   798,   814,   829,   844,   859,   874,   889,
-          904,   919,   934,   949,   964,   978,   993,  1008,
-         1022,  1037,  1051,  1065,  1080,  1094,  1108,  1122,
-         1136,  1151,  1165,  1179,  1192,  1206,  1220,  1234,
-         1248,  1261,  1275,  1288,  1302,  1315,  1329,  1342,
-         1368,  1393,  1419,  1444,  1469,  1494,  1519,  1544,
-         1569,  1594,  1618,  1643,  1668,  1692,  1717,  1741,
-         1765,  1789,  1814,  1838,  1862,  1885,  1909,  1933,
-         1957,  1992,  2027,  2061,  2096,  2130,  2165,  2199,
-         2233,  2267,  2300,  2334,  2367,  2400,  2434,  2467,
-         2499,  2532,  2575,  2618,  2661,  2704,  2746,  2788,
-         2830,  2872,  2913,  2954,  2995,  3036,  3076,  3127,
-         3177,  3226,  3275,  3324,  3373,  3421,  3469,  3517,
-         3565,  3621,  3677,  3733,  3788,  3843,  3897,  3951,
-         4005,  4058,  4119,  4181,  4241,  4301,  4361,  4420,
-         4479,  4546,  4612,  4677,  4742,  4807,  4871,  4942,
-         5013,  5083,  5153,  5222,  5291,  5367,  5442,  5517,
-         5591,  5665,  5745,  5825,  5905,  5984,  6063,  6149,
-         6234,  6319,  6404,  6495,  6587,  6678,  6769,  6867,
-         6966,  7064,  7163,  7269,  7376,  7483,  7599,  7715,
-         7832,  7958,  8085,  8214,  8352,  8492,  8635,  8788,
-         8945,  9104,  9275,  9450,  9639,  9832, 10031, 10245,
-        10465, 10702, 10946, 11210, 11482, 11776, 12081, 12409,
-        12750, 13118, 13501, 13913, 14343, 14807, 15290, 15812,
-        16356, 16943, 17575, 18237, 18949, 19718, 20521, 21387,
-    }
-};
-
-static const int16_t vp9_ac_qlookup[3][256] = {
-    {
-            4,     8,     9,    10,    11,    12,    13,    14,
-           15,    16,    17,    18,    19,    20,    21,    22,
-           23,    24,    25,    26,    27,    28,    29,    30,
-           31,    32,    33,    34,    35,    36,    37,    38,
-           39,    40,    41,    42,    43,    44,    45,    46,
-           47,    48,    49,    50,    51,    52,    53,    54,
-           55,    56,    57,    58,    59,    60,    61,    62,
-           63,    64,    65,    66,    67,    68,    69,    70,
-           71,    72,    73,    74,    75,    76,    77,    78,
-           79,    80,    81,    82,    83,    84,    85,    86,
-           87,    88,    89,    90,    91,    92,    93,    94,
-           95,    96,    97,    98,    99,   100,   101,   102,
-          104,   106,   108,   110,   112,   114,   116,   118,
-          120,   122,   124,   126,   128,   130,   132,   134,
-          136,   138,   140,   142,   144,   146,   148,   150,
-          152,   155,   158,   161,   164,   167,   170,   173,
-          176,   179,   182,   185,   188,   191,   194,   197,
-          200,   203,   207,   211,   215,   219,   223,   227,
-          231,   235,   239,   243,   247,   251,   255,   260,
-          265,   270,   275,   280,   285,   290,   295,   300,
-          305,   311,   317,   323,   329,   335,   341,   347,
-          353,   359,   366,   373,   380,   387,   394,   401,
-          408,   416,   424,   432,   440,   448,   456,   465,
-          474,   483,   492,   501,   510,   520,   530,   540,
-          550,   560,   571,   582,   593,   604,   615,   627,
-          639,   651,   663,   676,   689,   702,   715,   729,
-          743,   757,   771,   786,   801,   816,   832,   848,
-          864,   881,   898,   915,   933,   951,   969,   988,
-         1007,  1026,  1046,  1066,  1087,  1108,  1129,  1151,
-         1173,  1196,  1219,  1243,  1267,  1292,  1317,  1343,
-         1369,  1396,  1423,  1451,  1479,  1508,  1537,  1567,
-         1597,  1628,  1660,  1692,  1725,  1759,  1793,  1828,
-    }, {
-            4,     9,    11,    13,    16,    18,    21,    24,
-           27,    30,    33,    37,    40,    44,    48,    51,
-           55,    59,    63,    67,    71,    75,    79,    83,
-           88,    92,    96,   100,   105,   109,   114,   118,
-          122,   127,   131,   136,   140,   145,   149,   154,
-          158,   163,   168,   172,   177,   181,   186,   190,
-          195,   199,   204,   208,   213,   217,   222,   226,
-          231,   235,   240,   244,   249,   253,   258,   262,
-          267,   271,   275,   280,   284,   289,   293,   297,
-          302,   306,   311,   315,   319,   324,   328,   332,
-          337,   341,   345,   349,   354,   358,   362,   367,
-          371,   375,   379,   384,   388,   392,   396,   401,
-          409,   417,   425,   433,   441,   449,   458,   466,
-          474,   482,   490,   498,   506,   514,   523,   531,
-          539,   547,   555,   563,   571,   579,   588,   596,
-          604,   616,   628,   640,   652,   664,   676,   688,
-          700,   713,   725,   737,   749,   761,   773,   785,
-          797,   809,   825,   841,   857,   873,   889,   905,
-          922,   938,   954,   970,   986,  1002,  1018,  1038,
-         1058,  1078,  1098,  1118,  1138,  1158,  1178,  1198,
-         1218,  1242,  1266,  1290,  1314,  1338,  1362,  1386,
-         1411,  1435,  1463,  1491,  1519,  1547,  1575,  1603,
-         1631,  1663,  1695,  1727,  1759,  1791,  1823,  1859,
-         1895,  1931,  1967,  2003,  2039,  2079,  2119,  2159,
-         2199,  2239,  2283,  2327,  2371,  2415,  2459,  2507,
-         2555,  2603,  2651,  2703,  2755,  2807,  2859,  2915,
-         2971,  3027,  3083,  3143,  3203,  3263,  3327,  3391,
-         3455,  3523,  3591,  3659,  3731,  3803,  3876,  3952,
-         4028,  4104,  4184,  4264,  4348,  4432,  4516,  4604,
-         4692,  4784,  4876,  4972,  5068,  5168,  5268,  5372,
-         5476,  5584,  5692,  5804,  5916,  6032,  6148,  6268,
-         6388,  6512,  6640,  6768,  6900,  7036,  7172,  7312,
-    }, {
-            4,    13,    19,    27,    35,    44,    54,    64,
-           75,    87,    99,   112,   126,   139,   154,   168,
-          183,   199,   214,   230,   247,   263,   280,   297,
-          314,   331,   349,   366,   384,   402,   420,   438,
-          456,   475,   493,   511,   530,   548,   567,   586,
-          604,   623,   642,   660,   679,   698,   716,   735,
-          753,   772,   791,   809,   828,   846,   865,   884,
-          902,   920,   939,   957,   976,   994,  1012,  1030,
-         1049,  1067,  1085,  1103,  1121,  1139,  1157,  1175,
-         1193,  1211,  1229,  1246,  1264,  1282,  1299,  1317,
-         1335,  1352,  1370,  1387,  1405,  1422,  1440,  1457,
-         1474,  1491,  1509,  1526,  1543,  1560,  1577,  1595,
-         1627,  1660,  1693,  1725,  1758,  1791,  1824,  1856,
-         1889,  1922,  1954,  1987,  2020,  2052,  2085,  2118,
-         2150,  2183,  2216,  2248,  2281,  2313,  2346,  2378,
-         2411,  2459,  2508,  2556,  2605,  2653,  2701,  2750,
-         2798,  2847,  2895,  2943,  2992,  3040,  3088,  3137,
-         3185,  3234,  3298,  3362,  3426,  3491,  3555,  3619,
-         3684,  3748,  3812,  3876,  3941,  4005,  4069,  4149,
-         4230,  4310,  4390,  4470,  4550,  4631,  4711,  4791,
-         4871,  4967,  5064,  5160,  5256,  5352,  5448,  5544,
-         5641,  5737,  5849,  5961,  6073,  6185,  6297,  6410,
-         6522,  6650,  6778,  6906,  7034,  7162,  7290,  7435,
-         7579,  7723,  7867,  8011,  8155,  8315,  8475,  8635,
-         8795,  8956,  9132,  9308,  9484,  9660,  9836, 10028,
-        10220, 10412, 10604, 10812, 11020, 11228, 11437, 11661,
-        11885, 12109, 12333, 12573, 12813, 13053, 13309, 13565,
-        13821, 14093, 14365, 14637, 14925, 15213, 15502, 15806,
-        16110, 16414, 16734, 17054, 17390, 17726, 18062, 18414,
-        18766, 19134, 19502, 19886, 20270, 20670, 21070, 21486,
-        21902, 22334, 22766, 23214, 23662, 24126, 24590, 25070,
-        25551, 26047, 26559, 27071, 27599, 28143, 28687, 29247,
-    }
-};
-
-static const enum TxfmType vp9_intra_txfm_type[14] = {
-    [VERT_PRED]            = ADST_DCT,
-    [HOR_PRED]             = DCT_ADST,
-    [DC_PRED]              = DCT_DCT,
-    [DIAG_DOWN_LEFT_PRED]  = DCT_DCT,
-    [DIAG_DOWN_RIGHT_PRED] = ADST_ADST,
-    [VERT_RIGHT_PRED]      = ADST_DCT,
-    [HOR_DOWN_PRED]        = DCT_ADST,
-    [VERT_LEFT_PRED]       = ADST_DCT,
-    [HOR_UP_PRED]          = DCT_ADST,
-    [TM_VP8_PRED]          = ADST_ADST,
-    [NEARESTMV]            = DCT_DCT,
-    [NEARMV]               = DCT_DCT,
-    [ZEROMV]               = DCT_DCT,
-    [NEWMV]                = DCT_DCT,
-};
-
-static const int16_t vp9_default_scan_4x4[16] = {
-     0,  1,  4,  5,
-     2,  8,  3,  6,
-    12,  9,  7, 10,
-    13, 11, 14, 15,
-};
-
-static const int16_t vp9_col_scan_4x4[16] = {
-     0,  1,  2,  4,
-     3,  5,  6,  8,
-     7,  9, 10, 12,
-    13, 11, 14, 15,
-};
-
-static const int16_t vp9_row_scan_4x4[16] = {
-     0,  4,  1,  8,
-     5, 12,  9,  2,
-     6, 13,  3, 10,
-     7, 14, 11, 15,
-};
-
-static const int16_t vp9_default_scan_8x8[64] = {
-     0,  1,  8,  2,  9, 16, 10,  3,
-    17, 24, 18, 11,  4, 25, 32, 19,
-    12, 26,  5, 33, 20, 27, 40, 13,
-    34,  6, 41, 28, 21, 35, 42, 48,
-    14,  7, 36, 29, 43, 56, 49, 22,
-    15, 37, 50, 44, 57, 30, 23, 51,
-    45, 58, 38, 31, 52, 59, 39, 46,
-    53, 60, 47, 54, 61, 55, 62, 63,
-};
-
-static const int16_t vp9_col_scan_8x8[64] = {
-     0,  1,  2,  8,  3,  9,  4, 10,
-    16,  5, 11, 17, 12, 18,  6, 24,
-    19, 13, 25,  7, 26, 20, 32, 14,
-    27, 21, 33, 28, 34, 15, 22, 35,
-    40, 29, 41, 36, 23, 30, 42, 37,
-    48, 43, 31, 44, 49, 38, 50, 56,
-    45, 39, 51, 57, 52, 46, 58, 53,
-    59, 47, 60, 54, 61, 55, 62, 63,
-};
-
-static const int16_t vp9_row_scan_8x8[64] = {
-     0,  8, 16,  1,  9, 24,  2, 17,
-    32, 10, 25,  3, 40, 18, 11, 33,
-    26, 19,  4, 48, 41, 34, 12, 27,
-    56, 20,  5, 42, 35, 13, 49, 28,
-     6, 21, 43, 36, 14, 50, 29, 57,
-     7, 44, 22, 37, 51, 15, 58, 30,
-    23, 45, 52, 38, 59, 31, 46, 53,
-    39, 60, 47, 61, 54, 62, 55, 63,
-};
-
-static const int16_t vp9_default_scan_16x16[256] = {
-      0,   1,  16,   2,  17,  32,   3,  18,  33,  48,   4,  34,  19,  49,  20,   5,
-     35,  64,  50,  36,  65,  21,   6,  51,  80,  66,  37,  22,  52,   7,  81,  67,
-     38,  82,  53,  23,  96,  68,   8,  83,  97,  54,  39,  69, 112,  24,  98,  84,
-     70,  55,   9,  40,  85,  99, 113, 128,  25, 114, 100,  71,  86,  56,  10,  41,
-    115, 101, 129, 116,  72,  87,  26, 130, 144, 102,  57,  11,  42, 117, 131, 145,
-     88, 103,  27,  73, 132, 118, 146,  58, 160,  12,  43, 133, 147, 104,  89, 119,
-    161,  74, 148, 134,  28, 162,  59,  13, 176, 120, 149,  90, 135, 105, 163,  44,
-     75, 177, 164,  29, 150, 121, 136, 178, 165,  14, 106,  60,  91, 151,  45, 179,
-    192, 137, 166, 122,  76, 180, 152,  30,  61,  15, 107, 167, 181, 193,  92, 208,
-     46, 138, 123, 153, 194,  77, 168, 182,  31, 195, 209, 183, 108, 139,  62, 154,
-     47, 196,  93, 169, 210, 197, 224, 124, 184, 211,  78, 109, 170, 155,  63, 198,
-    212, 185, 225, 240, 140,  94, 199, 125,  79, 213, 226, 171, 186, 156, 214, 200,
-    110, 227, 141,  95, 241, 215, 228, 201, 126, 242, 187, 172, 157, 229, 111, 216,
-    243, 142, 202, 230, 127, 217, 244, 173, 188, 231, 158, 203, 143, 245, 218, 232,
-    189, 246, 159, 174, 233, 247, 219, 204, 175, 190, 248, 234, 205, 220, 249, 191,
-    235, 221, 250, 206, 222, 251, 236, 207, 237, 223, 252, 238, 253, 239, 254, 255,
-};
-
-static const int16_t vp9_col_scan_16x16[256] = {
-      0,   1,   2,   3,  16,   4,  17,   5,  18,   6,  19,  32,  20,   7,  33,  21,
-     34,   8,  35,  22,  48,  36,   9,  49,  23,  50,  37,  10,  38,  51,  24,  64,
-     52,  11,  65,  39,  25,  53,  66,  54,  40,  67,  12,  80,  26,  68,  55,  81,
-     41,  69,  13,  27,  82,  56,  70,  83,  42,  14,  84,  96,  71,  28,  57,  85,
-     97,  15,  72,  98,  43,  86,  58,  99,  29,  87, 100, 112,  73,  44, 101,  59,
-     30, 113,  88, 114,  74, 128, 102,  45,  31, 115,  60, 103,  89, 116,  75, 129,
-    117,  46, 104,  90,  61, 130, 118, 131, 132, 105,  76,  47, 119, 144,  91,  62,
-    133, 106, 145, 120, 146, 134,  77, 147, 121,  92, 135, 148,  63, 107, 136, 122,
-     93, 149, 160,  78, 150, 137, 108, 161, 162, 151, 123,  79, 138, 163, 152,  94,
-    164, 109, 165, 153, 124, 139, 176, 166,  95, 177, 167, 110, 154, 178, 125, 179,
-    140, 168, 155, 111, 180, 192, 181, 169, 141, 126, 182, 193, 194, 156, 183, 170,
-    195, 127, 142, 196, 184, 208, 197, 157, 171, 143, 185, 198, 209, 199, 210, 172,
-    158, 186, 211, 224, 212, 200, 240, 159, 213, 225, 187, 201, 173, 226, 214, 215,
-    227, 202, 228, 188, 241, 216, 174, 229, 242, 203, 243, 217, 230, 175, 189, 244,
-    231, 204, 218, 232, 245, 219, 246, 190, 233, 205, 191, 247, 234, 248, 220, 206,
-    249, 235, 221, 207, 250, 236, 222, 251, 223, 237, 238, 252, 239, 253, 254, 255,
-};
-
-static const int16_t vp9_row_scan_16x16[256] = {
-      0,  16,  32,   1,  48,  17,  64,  33,   2,  80,  18,  49,  96,  34,   3,  65,
-     19, 112,  50,  81,  35,   4, 128,  66,  20,  97,  51,  82,   5, 144,  36,  67,
-    113,  98,  21,  52, 160,  83, 129,  37,  68,   6, 114, 176,  99,  53,  22,  84,
-    145,  38,  69, 130,   7, 115, 192, 100,  54,  23,  85, 161, 146, 131,  39,  70,
-    208, 116,   8, 101, 177,  55,  86,  24, 162, 147, 132,  71, 224, 117,  40, 102,
-      9, 148,  56,  87, 193, 163, 240, 133, 178,  25, 118,  72,  41, 103, 164,  10,
-    149,  88, 134, 209, 179,  57, 119, 194,  26,  73, 165, 150, 104,  42, 135,  11,
-    180, 120,  89, 225, 195,  58,  27, 210, 151, 181, 166,  74,  43, 105,  12, 136,
-     90,  59, 241, 121,  28, 196, 167, 211, 152,  44, 182, 137,  75,  13, 226, 106,
-    122,  60, 197,  91, 168,  29, 183, 153,  14,  76, 212, 138,  45, 107,  15, 198,
-     92, 227, 169,  30, 123, 154,  61, 242, 184, 213, 139,  46,  77,  31, 108, 170,
-    199, 185, 124, 228,  93, 155, 214,  62, 140, 243,  78,  47, 200, 109, 186, 171,
-    201,  94,  63, 215, 229, 156,  79, 125, 141, 110, 216, 187, 172, 244, 202, 230,
-    217,  95, 157, 126, 245, 111, 142, 231, 188, 127, 158, 218, 173, 232, 246, 233,
-    203, 143, 247, 174, 189, 159, 219, 204, 248, 234, 249, 175, 190, 220, 205, 250,
-    235, 191, 221, 251, 236, 206, 252, 222, 207, 237, 223, 253, 238, 254, 239, 255,
-};
-
-static const int16_t vp9_default_scan_32x32[1024] = {
-       0,    1,   32,    2,   33,   64,    3,   34,   65,    4,   96,   35,   66,    5,   36,   97,   67,  128,   98,   68,   37,    6,  129,   99,    7,  160,   69,   38,  130,  100,  161,  131,
-      39,   70,    8,  101,  162,  132,  192,   71,   40,    9,  102,  163,  133,  193,   72,  224,  103,   41,  164,   10,  194,  134,  165,   73,  104,  135,  225,   42,  195,   11,  256,  166,
-     226,  196,   74,  105,  136,   43,   12,  167,  197,  227,  257,   75,  106,  137,  228,   44,  198,  168,  258,  288,   13,  229,   76,  107,  199,  138,  259,  169,  289,   45,  230,  260,
-     200,  108,   14,  170,  139,  320,  290,   77,  231,  261,   46,  201,  140,  291,  109,  232,  321,  262,  171,   78,  292,   15,  322,  202,  263,  352,  172,  293,  233,  141,  323,  110,
-      47,  203,  264,  234,  294,  353,  324,   16,   79,  204,  265,  295,  325,  173,  354,  142,  235,  384,   48,  296,  111,  266,  355,  326,   80,   17,  205,  236,  174,  356,  385,  327,
-     143,  297,  267,  357,  386,  112,   49,  328,  298,  206,  416,  237,  358,  387,   81,  175,   18,  329,  359,  388,  299,  330,  389,  113,  417,  238,  360,   50,  207,  418,  390,  331,
-      19,  448,  361,   82,  419,  391,  239,   51,  362,  420,  114,  449,  480,  421,   83,  363,  450,  422,  512,  451,  423,  115,  452,  481,  453,  482,  454,  544,  483,  455,  513,  484,
-     514,  485,  515,  486,  545,  576,  487,  546,  547,  608,  577,  578,  579,  609,  610,  611,   20,  144,  268,  392,  516,  640,   21,   52,  145,  176,  269,  300,  393,  424,  517,  548,
-     641,  672,   22,   53,   84,  146,  177,  208,  270,  301,  332,  394,  425,  456,  518,  549,  580,  642,  673,  704,   23,   54,   85,  116,  147,  178,  209,  240,  271,  302,  333,  364,
-     395,  426,  457,  488,  519,  550,  581,  612,  643,  674,  705,  736,   55,   86,  117,  179,  210,  241,  303,  334,  365,  427,  458,  489,  551,  582,  613,  675,  706,  737,   87,  118,
-     211,  242,  335,  366,  459,  490,  583,  614,  707,  738,  119,  243,  367,  491,  615,  739,   24,  148,  272,  396,  520,  644,  768,   25,   56,  149,  180,  273,  304,  397,  428,  521,
-     552,  645,  676,  769,  800,   26,   57,   88,  150,  181,  212,  274,  305,  336,  398,  429,  460,  522,  553,  584,  646,  677,  708,  770,  801,  832,   27,   58,   89,  120,  151,  182,
-     213,  244,  275,  306,  337,  368,  399,  430,  461,  492,  523,  554,  585,  616,  647,  678,  709,  740,  771,  802,  833,  864,   59,   90,  121,  183,  214,  245,  307,  338,  369,  431,
-     462,  493,  555,  586,  617,  679,  710,  741,  803,  834,  865,   91,  122,  215,  246,  339,  370,  463,  494,  587,  618,  711,  742,  835,  866,  123,  247,  371,  495,  619,  743,  867,
-      28,  152,  276,  400,  524,  648,  772,  896,   29,   60,  153,  184,  277,  308,  401,  432,  525,  556,  649,  680,  773,  804,  897,  928,   30,   61,   92,  154,  185,  216,  278,  309,
-     340,  402,  433,  464,  526,  557,  588,  650,  681,  712,  774,  805,  836,  898,  929,  960,   31,   62,   93,  124,  155,  186,  217,  248,  279,  310,  341,  372,  403,  434,  465,  496,
-     527,  558,  589,  620,  651,  682,  713,  744,  775,  806,  837,  868,  899,  930,  961,  992,   63,   94,  125,  187,  218,  249,  311,  342,  373,  435,  466,  497,  559,  590,  621,  683,
-     714,  745,  807,  838,  869,  931,  962,  993,   95,  126,  219,  250,  343,  374,  467,  498,  591,  622,  715,  746,  839,  870,  963,  994,  127,  251,  375,  499,  623,  747,  871,  995,
-     156,  280,  404,  528,  652,  776,  900,  157,  188,  281,  312,  405,  436,  529,  560,  653,  684,  777,  808,  901,  932,  158,  189,  220,  282,  313,  344,  406,  437,  468,  530,  561,
-     592,  654,  685,  716,  778,  809,  840,  902,  933,  964,  159,  190,  221,  252,  283,  314,  345,  376,  407,  438,  469,  500,  531,  562,  593,  624,  655,  686,  717,  748,  779,  810,
-     841,  872,  903,  934,  965,  996,  191,  222,  253,  315,  346,  377,  439,  470,  501,  563,  594,  625,  687,  718,  749,  811,  842,  873,  935,  966,  997,  223,  254,  347,  378,  471,
-     502,  595,  626,  719,  750,  843,  874,  967,  998,  255,  379,  503,  627,  751,  875,  999,  284,  408,  532,  656,  780,  904,  285,  316,  409,  440,  533,  564,  657,  688,  781,  812,
-     905,  936,  286,  317,  348,  410,  441,  472,  534,  565,  596,  658,  689,  720,  782,  813,  844,  906,  937,  968,  287,  318,  349,  380,  411,  442,  473,  504,  535,  566,  597,  628,
-     659,  690,  721,  752,  783,  814,  845,  876,  907,  938,  969, 1000,  319,  350,  381,  443,  474,  505,  567,  598,  629,  691,  722,  753,  815,  846,  877,  939,  970, 1001,  351,  382,
-     475,  506,  599,  630,  723,  754,  847,  878,  971, 1002,  383,  507,  631,  755,  879, 1003,  412,  536,  660,  784,  908,  413,  444,  537,  568,  661,  692,  785,  816,  909,  940,  414,
-     445,  476,  538,  569,  600,  662,  693,  724,  786,  817,  848,  910,  941,  972,  415,  446,  477,  508,  539,  570,  601,  632,  663,  694,  725,  756,  787,  818,  849,  880,  911,  942,
-     973, 1004,  447,  478,  509,  571,  602,  633,  695,  726,  757,  819,  850,  881,  943,  974, 1005,  479,  510,  603,  634,  727,  758,  851,  882,  975, 1006,  511,  635,  759,  883, 1007,
-     540,  664,  788,  912,  541,  572,  665,  696,  789,  820,  913,  944,  542,  573,  604,  666,  697,  728,  790,  821,  852,  914,  945,  976,  543,  574,  605,  636,  667,  698,  729,  760,
-     791,  822,  853,  884,  915,  946,  977, 1008,  575,  606,  637,  699,  730,  761,  823,  854,  885,  947,  978, 1009,  607,  638,  731,  762,  855,  886,  979, 1010,  639,  763,  887, 1011,
-     668,  792,  916,  669,  700,  793,  824,  917,  948,  670,  701,  732,  794,  825,  856,  918,  949,  980,  671,  702,  733,  764,  795,  826,  857,  888,  919,  950,  981, 1012,  703,  734,
-     765,  827,  858,  889,  951,  982, 1013,  735,  766,  859,  890,  983, 1014,  767,  891, 1015,  796,  920,  797,  828,  921,  952,  798,  829,  860,  922,  953,  984,  799,  830,  861,  892,
-     923,  954,  985, 1016,  831,  862,  893,  955,  986, 1017,  863,  894,  987, 1018,  895, 1019,  924,  925,  956,  926,  957,  988,  927,  958,  989, 1020,  959,  990, 1021,  991, 1022, 1023,
-};
-
-static const int16_t * const vp9_scans[5][4] = {
-    {
-        vp9_default_scan_4x4, vp9_col_scan_4x4,
-        vp9_row_scan_4x4, vp9_default_scan_4x4
-    }, {
-        vp9_default_scan_8x8, vp9_col_scan_8x8,
-        vp9_row_scan_8x8, vp9_default_scan_8x8
-    }, {
-        vp9_default_scan_16x16, vp9_col_scan_16x16,
-        vp9_row_scan_16x16, vp9_default_scan_16x16
-    }, {
-        vp9_default_scan_32x32, vp9_default_scan_32x32,
-        vp9_default_scan_32x32, vp9_default_scan_32x32
-    }, { // lossless
-        vp9_default_scan_4x4, vp9_default_scan_4x4,
-        vp9_default_scan_4x4, vp9_default_scan_4x4
-    }
-};
-
-static const int16_t vp9_default_scan_4x4_nb[16][2] = {
-    {  0,  0 }, {  0,  0 }, {  4,  1 }, {  1,  1 },
-    {  4,  4 }, {  2,  2 }, {  5,  2 }, {  8,  8 },
-    {  8,  5 }, {  6,  3 }, {  9,  6 }, { 12,  9 },
-    { 10,  7 }, { 13, 10 }, { 14, 11 }, {  0,  0 },
-};
-
-static const int16_t vp9_col_scan_4x4_nb[16][2] = {
-    {  0,  0 }, {  1,  1 }, {  0,  0 }, {  2,  2 },
-    {  4,  4 }, {  5,  5 }, {  4,  4 }, {  6,  6 },
-    {  8,  8 }, {  9,  9 }, {  8,  8 }, { 12, 12 },
-    { 10, 10 }, { 13, 13 }, { 14, 14 }, {  0,  0 },
-};
-
-static const int16_t vp9_row_scan_4x4_nb[16][2] = {
-    {  0,  0 }, {  0,  0 }, {  4,  4 }, {  1,  1 },
-    {  8,  8 }, {  5,  5 }, {  1,  1 }, {  2,  2 },
-    {  9,  9 }, {  2,  2 }, {  6,  6 }, {  3,  3 },
-    { 10, 10 }, {  7,  7 }, { 11, 11 }, {  0,  0 },
-};
-
-static const int16_t vp9_default_scan_8x8_nb[64][2] = {
-    {  0,  0 }, {  0,  0 }, {  1,  1 }, {  8,  1 },
-    {  8,  8 }, {  9,  2 }, {  2,  2 }, { 16,  9 },
-    { 16, 16 }, { 17, 10 }, { 10,  3 }, {  3,  3 },
-    { 24, 17 }, { 24, 24 }, { 18, 11 }, { 11,  4 },
-    { 25, 18 }, {  4,  4 }, { 32, 25 }, { 19, 12 },
-    { 26, 19 }, { 32, 32 }, { 12,  5 }, { 33, 26 },
-    {  5,  5 }, { 40, 33 }, { 27, 20 }, { 20, 13 },
-    { 34, 27 }, { 41, 34 }, { 40, 40 }, { 13,  6 },
-    {  6,  6 }, { 35, 28 }, { 28, 21 }, { 42, 35 },
-    { 48, 48 }, { 48, 41 }, { 21, 14 }, { 14,  7 },
-    { 36, 29 }, { 49, 42 }, { 43, 36 }, { 56, 49 },
-    { 29, 22 }, { 22, 15 }, { 50, 43 }, { 44, 37 },
-    { 57, 50 }, { 37, 30 }, { 30, 23 }, { 51, 44 },
-    { 58, 51 }, { 38, 31 }, { 45, 38 }, { 52, 45 },
-    { 59, 52 }, { 46, 39 }, { 53, 46 }, { 60, 53 },
-    { 54, 47 }, { 61, 54 }, { 62, 55 }, {  0,  0 },
-};
-
-static const int16_t vp9_col_scan_8x8_nb[64][2] = {
-    {  0,  0 }, {  1,  1 }, {  0,  0 }, {  2,  2 },
-    {  8,  8 }, {  3,  3 }, {  9,  9 }, {  8,  8 },
-    {  4,  4 }, { 10, 10 }, { 16, 16 }, { 11, 11 },
-    { 17, 17 }, {  5,  5 }, { 16, 16 }, { 18, 18 },
-    { 12, 12 }, { 24, 24 }, {  6,  6 }, { 25, 25 },
-    { 19, 19 }, { 24, 24 }, { 13, 13 }, { 26, 26 },
-    { 20, 20 }, { 32, 32 }, { 27, 27 }, { 33, 33 },
-    { 14, 14 }, { 21, 21 }, { 34, 34 }, { 32, 32 },
-    { 28, 28 }, { 40, 40 }, { 35, 35 }, { 22, 22 },
-    { 29, 29 }, { 41, 41 }, { 36, 36 }, { 40, 40 },
-    { 42, 42 }, { 30, 30 }, { 43, 43 }, { 48, 48 },
-    { 37, 37 }, { 49, 49 }, { 48, 48 }, { 44, 44 },
-    { 38, 38 }, { 50, 50 }, { 56, 56 }, { 51, 51 },
-    { 45, 45 }, { 57, 57 }, { 52, 52 }, { 58, 58 },
-    { 46, 46 }, { 59, 59 }, { 53, 53 }, { 60, 60 },
-    { 54, 54 }, { 61, 61 }, { 62, 62 }, {  0,  0 },
-};
-
-static const int16_t vp9_row_scan_8x8_nb[64][2] = {
-    {  0,  0 }, {  8,  8 }, {  0,  0 }, {  1,  1 },
-    { 16, 16 }, {  1,  1 }, {  9,  9 }, { 24, 24 },
-    {  2,  2 }, { 17, 17 }, {  2,  2 }, { 32, 32 },
-    { 10, 10 }, {  3,  3 }, { 25, 25 }, { 18, 18 },
-    { 11, 11 }, {  3,  3 }, { 40, 40 }, { 33, 33 },
-    { 26, 26 }, {  4,  4 }, { 19, 19 }, { 48, 48 },
-    { 12, 12 }, {  4,  4 }, { 34, 34 }, { 27, 27 },
-    {  5,  5 }, { 41, 41 }, { 20, 20 }, {  5,  5 },
-    { 13, 13 }, { 35, 35 }, { 28, 28 }, {  6,  6 },
-    { 42, 42 }, { 21, 21 }, { 49, 49 }, {  6,  6 },
-    { 36, 36 }, { 14, 14 }, { 29, 29 }, { 43, 43 },
-    {  7,  7 }, { 50, 50 }, { 22, 22 }, { 15, 15 },
-    { 37, 37 }, { 44, 44 }, { 30, 30 }, { 51, 51 },
-    { 23, 23 }, { 38, 38 }, { 45, 45 }, { 31, 31 },
-    { 52, 52 }, { 39, 39 }, { 53, 53 }, { 46, 46 },
-    { 54, 54 }, { 47, 47 }, { 55, 55 }, {  0,  0 },
-};
-
-static const int16_t vp9_default_scan_16x16_nb[256][2] = {
-    {   0,   0 }, {   0,   0 }, {   1,   1 }, {  16,   1 },
-    {  16,  16 }, {   2,   2 }, {  17,   2 }, {  32,  17 },
-    {  32,  32 }, {   3,   3 }, {  33,  18 }, {  18,   3 },
-    {  48,  33 }, {  19,   4 }, {   4,   4 }, {  34,  19 },
-    {  48,  48 }, {  49,  34 }, {  35,  20 }, {  64,  49 },
-    {  20,   5 }, {   5,   5 }, {  50,  35 }, {  64,  64 },
-    {  65,  50 }, {  36,  21 }, {  21,   6 }, {  51,  36 },
-    {   6,   6 }, {  80,  65 }, {  66,  51 }, {  37,  22 },
-    {  81,  66 }, {  52,  37 }, {  22,   7 }, {  80,  80 },
-    {  67,  52 }, {   7,   7 }, {  82,  67 }, {  96,  81 },
-    {  53,  38 }, {  38,  23 }, {  68,  53 }, {  96,  96 },
-    {  23,   8 }, {  97,  82 }, {  83,  68 }, {  69,  54 },
-    {  54,  39 }, {   8,   8 }, {  39,  24 }, {  84,  69 },
-    {  98,  83 }, { 112,  97 }, { 112, 112 }, {  24,   9 },
-    { 113,  98 }, {  99,  84 }, {  70,  55 }, {  85,  70 },
-    {  55,  40 }, {   9,   9 }, {  40,  25 }, { 114,  99 },
-    { 100,  85 }, { 128, 113 }, { 115, 100 }, {  71,  56 },
-    {  86,  71 }, {  25,  10 }, { 129, 114 }, { 128, 128 },
-    { 101,  86 }, {  56,  41 }, {  10,  10 }, {  41,  26 },
-    { 116, 101 }, { 130, 115 }, { 144, 129 }, {  87,  72 },
-    { 102,  87 }, {  26,  11 }, {  72,  57 }, { 131, 116 },
-    { 117, 102 }, { 145, 130 }, {  57,  42 }, { 144, 144 },
-    {  11,  11 }, {  42,  27 }, { 132, 117 }, { 146, 131 },
-    { 103,  88 }, {  88,  73 }, { 118, 103 }, { 160, 145 },
-    {  73,  58 }, { 147, 132 }, { 133, 118 }, {  27,  12 },
-    { 161, 146 }, {  58,  43 }, {  12,  12 }, { 160, 160 },
-    { 119, 104 }, { 148, 133 }, {  89,  74 }, { 134, 119 },
-    { 104,  89 }, { 162, 147 }, {  43,  28 }, {  74,  59 },
-    { 176, 161 }, { 163, 148 }, {  28,  13 }, { 149, 134 },
-    { 120, 105 }, { 135, 120 }, { 177, 162 }, { 164, 149 },
-    {  13,  13 }, { 105,  90 }, {  59,  44 }, {  90,  75 },
-    { 150, 135 }, {  44,  29 }, { 178, 163 }, { 176, 176 },
-    { 136, 121 }, { 165, 150 }, { 121, 106 }, {  75,  60 },
-    { 179, 164 }, { 151, 136 }, {  29,  14 }, {  60,  45 },
-    {  14,  14 }, { 106,  91 }, { 166, 151 }, { 180, 165 },
-    { 192, 177 }, {  91,  76 }, { 192, 192 }, {  45,  30 },
-    { 137, 122 }, { 122, 107 }, { 152, 137 }, { 193, 178 },
-    {  76,  61 }, { 167, 152 }, { 181, 166 }, {  30,  15 },
-    { 194, 179 }, { 208, 193 }, { 182, 167 }, { 107,  92 },
-    { 138, 123 }, {  61,  46 }, { 153, 138 }, {  46,  31 },
-    { 195, 180 }, {  92,  77 }, { 168, 153 }, { 209, 194 },
-    { 196, 181 }, { 208, 208 }, { 123, 108 }, { 183, 168 },
-    { 210, 195 }, {  77,  62 }, { 108,  93 }, { 169, 154 },
-    { 154, 139 }, {  62,  47 }, { 197, 182 }, { 211, 196 },
-    { 184, 169 }, { 224, 209 }, { 224, 224 }, { 139, 124 },
-    {  93,  78 }, { 198, 183 }, { 124, 109 }, {  78,  63 },
-    { 212, 197 }, { 225, 210 }, { 170, 155 }, { 185, 170 },
-    { 155, 140 }, { 213, 198 }, { 199, 184 }, { 109,  94 },
-    { 226, 211 }, { 140, 125 }, {  94,  79 }, { 240, 225 },
-    { 214, 199 }, { 227, 212 }, { 200, 185 }, { 125, 110 },
-    { 241, 226 }, { 186, 171 }, { 171, 156 }, { 156, 141 },
-    { 228, 213 }, { 110,  95 }, { 215, 200 }, { 242, 227 },
-    { 141, 126 }, { 201, 186 }, { 229, 214 }, { 126, 111 },
-    { 216, 201 }, { 243, 228 }, { 172, 157 }, { 187, 172 },
-    { 230, 215 }, { 157, 142 }, { 202, 187 }, { 142, 127 },
-    { 244, 229 }, { 217, 202 }, { 231, 216 }, { 188, 173 },
-    { 245, 230 }, { 158, 143 }, { 173, 158 }, { 232, 217 },
-    { 246, 231 }, { 218, 203 }, { 203, 188 }, { 174, 159 },
-    { 189, 174 }, { 247, 232 }, { 233, 218 }, { 204, 189 },
-    { 219, 204 }, { 248, 233 }, { 190, 175 }, { 234, 219 },
-    { 220, 205 }, { 249, 234 }, { 205, 190 }, { 221, 206 },
-    { 250, 235 }, { 235, 220 }, { 206, 191 }, { 236, 221 },
-    { 222, 207 }, { 251, 236 }, { 237, 222 }, { 252, 237 },
-    { 238, 223 }, { 253, 238 }, { 254, 239 }, {   0,   0 },
-};
-
-static const int16_t vp9_col_scan_16x16_nb[256][2] = {
-    {   0,   0 }, {   1,   1 }, {   2,   2 }, {   0,   0 },
-    {   3,   3 }, {  16,  16 }, {   4,   4 }, {  17,  17 },
-    {   5,   5 }, {  18,  18 }, {  16,  16 }, {  19,  19 },
-    {   6,   6 }, {  32,  32 }, {  20,  20 }, {  33,  33 },
-    {   7,   7 }, {  34,  34 }, {  21,  21 }, {  32,  32 },
-    {  35,  35 }, {   8,   8 }, {  48,  48 }, {  22,  22 },
-    {  49,  49 }, {  36,  36 }, {   9,   9 }, {  37,  37 },
-    {  50,  50 }, {  23,  23 }, {  48,  48 }, {  51,  51 },
-    {  10,  10 }, {  64,  64 }, {  38,  38 }, {  24,  24 },
-    {  52,  52 }, {  65,  65 }, {  53,  53 }, {  39,  39 },
-    {  66,  66 }, {  11,  11 }, {  64,  64 }, {  25,  25 },
-    {  67,  67 }, {  54,  54 }, {  80,  80 }, {  40,  40 },
-    {  68,  68 }, {  12,  12 }, {  26,  26 }, {  81,  81 },
-    {  55,  55 }, {  69,  69 }, {  82,  82 }, {  41,  41 },
-    {  13,  13 }, {  83,  83 }, {  80,  80 }, {  70,  70 },
-    {  27,  27 }, {  56,  56 }, {  84,  84 }, {  96,  96 },
-    {  14,  14 }, {  71,  71 }, {  97,  97 }, {  42,  42 },
-    {  85,  85 }, {  57,  57 }, {  98,  98 }, {  28,  28 },
-    {  86,  86 }, {  99,  99 }, {  96,  96 }, {  72,  72 },
-    {  43,  43 }, { 100, 100 }, {  58,  58 }, {  29,  29 },
-    { 112, 112 }, {  87,  87 }, { 113, 113 }, {  73,  73 },
-    { 112, 112 }, { 101, 101 }, {  44,  44 }, {  30,  30 },
-    { 114, 114 }, {  59,  59 }, { 102, 102 }, {  88,  88 },
-    { 115, 115 }, {  74,  74 }, { 128, 128 }, { 116, 116 },
-    {  45,  45 }, { 103, 103 }, {  89,  89 }, {  60,  60 },
-    { 129, 129 }, { 117, 117 }, { 130, 130 }, { 131, 131 },
-    { 104, 104 }, {  75,  75 }, {  46,  46 }, { 118, 118 },
-    { 128, 128 }, {  90,  90 }, {  61,  61 }, { 132, 132 },
-    { 105, 105 }, { 144, 144 }, { 119, 119 }, { 145, 145 },
-    { 133, 133 }, {  76,  76 }, { 146, 146 }, { 120, 120 },
-    {  91,  91 }, { 134, 134 }, { 147, 147 }, {  62,  62 },
-    { 106, 106 }, { 135, 135 }, { 121, 121 }, {  92,  92 },
-    { 148, 148 }, { 144, 144 }, {  77,  77 }, { 149, 149 },
-    { 136, 136 }, { 107, 107 }, { 160, 160 }, { 161, 161 },
-    { 150, 150 }, { 122, 122 }, {  78,  78 }, { 137, 137 },
-    { 162, 162 }, { 151, 151 }, {  93,  93 }, { 163, 163 },
-    { 108, 108 }, { 164, 164 }, { 152, 152 }, { 123, 123 },
-    { 138, 138 }, { 160, 160 }, { 165, 165 }, {  94,  94 },
-    { 176, 176 }, { 166, 166 }, { 109, 109 }, { 153, 153 },
-    { 177, 177 }, { 124, 124 }, { 178, 178 }, { 139, 139 },
-    { 167, 167 }, { 154, 154 }, { 110, 110 }, { 179, 179 },
-    { 176, 176 }, { 180, 180 }, { 168, 168 }, { 140, 140 },
-    { 125, 125 }, { 181, 181 }, { 192, 192 }, { 193, 193 },
-    { 155, 155 }, { 182, 182 }, { 169, 169 }, { 194, 194 },
-    { 126, 126 }, { 141, 141 }, { 195, 195 }, { 183, 183 },
-    { 192, 192 }, { 196, 196 }, { 156, 156 }, { 170, 170 },
-    { 142, 142 }, { 184, 184 }, { 197, 197 }, { 208, 208 },
-    { 198, 198 }, { 209, 209 }, { 171, 171 }, { 157, 157 },
-    { 185, 185 }, { 210, 210 }, { 208, 208 }, { 211, 211 },
-    { 199, 199 }, { 224, 224 }, { 158, 158 }, { 212, 212 },
-    { 224, 224 }, { 186, 186 }, { 200, 200 }, { 172, 172 },
-    { 225, 225 }, { 213, 213 }, { 214, 214 }, { 226, 226 },
-    { 201, 201 }, { 227, 227 }, { 187, 187 }, { 240, 240 },
-    { 215, 215 }, { 173, 173 }, { 228, 228 }, { 241, 241 },
-    { 202, 202 }, { 242, 242 }, { 216, 216 }, { 229, 229 },
-    { 174, 174 }, { 188, 188 }, { 243, 243 }, { 230, 230 },
-    { 203, 203 }, { 217, 217 }, { 231, 231 }, { 244, 244 },
-    { 218, 218 }, { 245, 245 }, { 189, 189 }, { 232, 232 },
-    { 204, 204 }, { 190, 190 }, { 246, 246 }, { 233, 233 },
-    { 247, 247 }, { 219, 219 }, { 205, 205 }, { 248, 248 },
-    { 234, 234 }, { 220, 220 }, { 206, 206 }, { 249, 249 },
-    { 235, 235 }, { 221, 221 }, { 250, 250 }, { 222, 222 },
-    { 236, 236 }, { 237, 237 }, { 251, 251 }, { 238, 238 },
-    { 252, 252 }, { 253, 253 }, { 254, 254 }, {   0,   0 },
-};
-
-static const int16_t vp9_row_scan_16x16_nb[256][2] = {
-    {   0,   0 }, {  16,  16 }, {   0,   0 }, {  32,  32 },
-    {   1,   1 }, {  48,  48 }, {  17,  17 }, {   1,   1 },
-    {  64,  64 }, {   2,   2 }, {  33,  33 }, {  80,  80 },
-    {  18,  18 }, {   2,   2 }, {  49,  49 }, {   3,   3 },
-    {  96,  96 }, {  34,  34 }, {  65,  65 }, {  19,  19 },
-    {   3,   3 }, { 112, 112 }, {  50,  50 }, {   4,   4 },
-    {  81,  81 }, {  35,  35 }, {  66,  66 }, {   4,   4 },
-    { 128, 128 }, {  20,  20 }, {  51,  51 }, {  97,  97 },
-    {  82,  82 }, {   5,   5 }, {  36,  36 }, { 144, 144 },
-    {  67,  67 }, { 113, 113 }, {  21,  21 }, {  52,  52 },
-    {   5,   5 }, {  98,  98 }, { 160, 160 }, {  83,  83 },
-    {  37,  37 }, {   6,   6 }, {  68,  68 }, { 129, 129 },
-    {  22,  22 }, {  53,  53 }, { 114, 114 }, {   6,   6 },
-    {  99,  99 }, { 176, 176 }, {  84,  84 }, {  38,  38 },
-    {   7,   7 }, {  69,  69 }, { 145, 145 }, { 130, 130 },
-    { 115, 115 }, {  23,  23 }, {  54,  54 }, { 192, 192 },
-    { 100, 100 }, {   7,   7 }, {  85,  85 }, { 161, 161 },
-    {  39,  39 }, {  70,  70 }, {   8,   8 }, { 146, 146 },
-    { 131, 131 }, { 116, 116 }, {  55,  55 }, { 208, 208 },
-    { 101, 101 }, {  24,  24 }, {  86,  86 }, {   8,   8 },
-    { 132, 132 }, {  40,  40 }, {  71,  71 }, { 177, 177 },
-    { 147, 147 }, { 224, 224 }, { 117, 117 }, { 162, 162 },
-    {   9,   9 }, { 102, 102 }, {  56,  56 }, {  25,  25 },
-    {  87,  87 }, { 148, 148 }, {   9,   9 }, { 133, 133 },
-    {  72,  72 }, { 118, 118 }, { 193, 193 }, { 163, 163 },
-    {  41,  41 }, { 103, 103 }, { 178, 178 }, {  10,  10 },
-    {  57,  57 }, { 149, 149 }, { 134, 134 }, {  88,  88 },
-    {  26,  26 }, { 119, 119 }, {  10,  10 }, { 164, 164 },
-    { 104, 104 }, {  73,  73 }, { 209, 209 }, { 179, 179 },
-    {  42,  42 }, {  11,  11 }, { 194, 194 }, { 135, 135 },
-    { 165, 165 }, { 150, 150 }, {  58,  58 }, {  27,  27 },
-    {  89,  89 }, {  11,  11 }, { 120, 120 }, {  74,  74 },
-    {  43,  43 }, { 225, 225 }, { 105, 105 }, {  12,  12 },
-    { 180, 180 }, { 151, 151 }, { 195, 195 }, { 136, 136 },
-    {  28,  28 }, { 166, 166 }, { 121, 121 }, {  59,  59 },
-    {  12,  12 }, { 210, 210 }, {  90,  90 }, { 106, 106 },
-    {  44,  44 }, { 181, 181 }, {  75,  75 }, { 152, 152 },
-    {  13,  13 }, { 167, 167 }, { 137, 137 }, {  13,  13 },
-    {  60,  60 }, { 196, 196 }, { 122, 122 }, {  29,  29 },
-    {  91,  91 }, {  14,  14 }, { 182, 182 }, {  76,  76 },
-    { 211, 211 }, { 153, 153 }, {  14,  14 }, { 107, 107 },
-    { 138, 138 }, {  45,  45 }, { 226, 226 }, { 168, 168 },
-    { 197, 197 }, { 123, 123 }, {  30,  30 }, {  61,  61 },
-    {  15,  15 }, {  92,  92 }, { 154, 154 }, { 183, 183 },
-    { 169, 169 }, { 108, 108 }, { 212, 212 }, {  77,  77 },
-    { 139, 139 }, { 198, 198 }, {  46,  46 }, { 124, 124 },
-    { 227, 227 }, {  62,  62 }, {  31,  31 }, { 184, 184 },
-    {  93,  93 }, { 170, 170 }, { 155, 155 }, { 185, 185 },
-    {  78,  78 }, {  47,  47 }, { 199, 199 }, { 213, 213 },
-    { 140, 140 }, {  63,  63 }, { 109, 109 }, { 125, 125 },
-    {  94,  94 }, { 200, 200 }, { 171, 171 }, { 156, 156 },
-    { 228, 228 }, { 186, 186 }, { 214, 214 }, { 201, 201 },
-    {  79,  79 }, { 141, 141 }, { 110, 110 }, { 229, 229 },
-    {  95,  95 }, { 126, 126 }, { 215, 215 }, { 172, 172 },
-    { 111, 111 }, { 142, 142 }, { 202, 202 }, { 157, 157 },
-    { 216, 216 }, { 230, 230 }, { 217, 217 }, { 187, 187 },
-    { 127, 127 }, { 231, 231 }, { 158, 158 }, { 173, 173 },
-    { 143, 143 }, { 203, 203 }, { 188, 188 }, { 232, 232 },
-    { 218, 218 }, { 233, 233 }, { 159, 159 }, { 174, 174 },
-    { 204, 204 }, { 189, 189 }, { 234, 234 }, { 219, 219 },
-    { 175, 175 }, { 205, 205 }, { 235, 235 }, { 220, 220 },
-    { 190, 190 }, { 236, 236 }, { 206, 206 }, { 191, 191 },
-    { 221, 221 }, { 207, 207 }, { 237, 237 }, { 222, 222 },
-    { 238, 238 }, { 223, 223 }, { 239, 239 }, {   0,   0 },
-};
-
-static const int16_t vp9_default_scan_32x32_nb[1024][2] = {
-    {    0,    0 }, {    0,    0 }, {    1,    1 }, {   32,    1 },
-    {   32,   32 }, {    2,    2 }, {   33,    2 }, {   64,   33 },
-    {    3,    3 }, {   64,   64 }, {   34,    3 }, {   65,   34 },
-    {    4,    4 }, {   35,    4 }, {   96,   65 }, {   66,   35 },
-    {   96,   96 }, {   97,   66 }, {   67,   36 }, {   36,    5 },
-    {    5,    5 }, {  128,   97 }, {   98,   67 }, {    6,    6 },
-    {  128,  128 }, {   68,   37 }, {   37,    6 }, {  129,   98 },
-    {   99,   68 }, {  160,  129 }, {  130,   99 }, {   38,    7 },
-    {   69,   38 }, {    7,    7 }, {  100,   69 }, {  161,  130 },
-    {  131,  100 }, {  160,  160 }, {   70,   39 }, {   39,    8 },
-    {    8,    8 }, {  101,   70 }, {  162,  131 }, {  132,  101 },
-    {  192,  161 }, {   71,   40 }, {  192,  192 }, {  102,   71 },
-    {   40,    9 }, {  163,  132 }, {    9,    9 }, {  193,  162 },
-    {  133,  102 }, {  164,  133 }, {   72,   41 }, {  103,   72 },
-    {  134,  103 }, {  224,  193 }, {   41,   10 }, {  194,  163 },
-    {   10,   10 }, {  224,  224 }, {  165,  134 }, {  225,  194 },
-    {  195,  164 }, {   73,   42 }, {  104,   73 }, {  135,  104 },
-    {   42,   11 }, {   11,   11 }, {  166,  135 }, {  196,  165 },
-    {  226,  195 }, {  256,  225 }, {   74,   43 }, {  105,   74 },
-    {  136,  105 }, {  227,  196 }, {   43,   12 }, {  197,  166 },
-    {  167,  136 }, {  257,  226 }, {  256,  256 }, {   12,   12 },
-    {  228,  197 }, {   75,   44 }, {  106,   75 }, {  198,  167 },
-    {  137,  106 }, {  258,  227 }, {  168,  137 }, {  288,  257 },
-    {   44,   13 }, {  229,  198 }, {  259,  228 }, {  199,  168 },
-    {  107,   76 }, {   13,   13 }, {  169,  138 }, {  138,  107 },
-    {  288,  288 }, {  289,  258 }, {   76,   45 }, {  230,  199 },
-    {  260,  229 }, {   45,   14 }, {  200,  169 }, {  139,  108 },
-    {  290,  259 }, {  108,   77 }, {  231,  200 }, {  320,  289 },
-    {  261,  230 }, {  170,  139 }, {   77,   46 }, {  291,  260 },
-    {   14,   14 }, {  321,  290 }, {  201,  170 }, {  262,  231 },
-    {  320,  320 }, {  171,  140 }, {  292,  261 }, {  232,  201 },
-    {  140,  109 }, {  322,  291 }, {  109,   78 }, {   46,   15 },
-    {  202,  171 }, {  263,  232 }, {  233,  202 }, {  293,  262 },
-    {  352,  321 }, {  323,  292 }, {   15,   15 }, {   78,   47 },
-    {  203,  172 }, {  264,  233 }, {  294,  263 }, {  324,  293 },
-    {  172,  141 }, {  353,  322 }, {  141,  110 }, {  234,  203 },
-    {  352,  352 }, {   47,   16 }, {  295,  264 }, {  110,   79 },
-    {  265,  234 }, {  354,  323 }, {  325,  294 }, {   79,   48 },
-    {   16,   16 }, {  204,  173 }, {  235,  204 }, {  173,  142 },
-    {  355,  324 }, {  384,  353 }, {  326,  295 }, {  142,  111 },
-    {  296,  265 }, {  266,  235 }, {  356,  325 }, {  385,  354 },
-    {  111,   80 }, {   48,   17 }, {  327,  296 }, {  297,  266 },
-    {  205,  174 }, {  384,  384 }, {  236,  205 }, {  357,  326 },
-    {  386,  355 }, {   80,   49 }, {  174,  143 }, {   17,   17 },
-    {  328,  297 }, {  358,  327 }, {  387,  356 }, {  298,  267 },
-    {  329,  298 }, {  388,  357 }, {  112,   81 }, {  416,  385 },
-    {  237,  206 }, {  359,  328 }, {   49,   18 }, {  206,  175 },
-    {  417,  386 }, {  389,  358 }, {  330,  299 }, {   18,   18 },
-    {  416,  416 }, {  360,  329 }, {   81,   50 }, {  418,  387 },
-    {  390,  359 }, {  238,  207 }, {   50,   19 }, {  361,  330 },
-    {  419,  388 }, {  113,   82 }, {  448,  417 }, {  448,  448 },
-    {  420,  389 }, {   82,   51 }, {  362,  331 }, {  449,  418 },
-    {  421,  390 }, {  480,  480 }, {  450,  419 }, {  422,  391 },
-    {  114,   83 }, {  451,  420 }, {  480,  449 }, {  452,  421 },
-    {  481,  450 }, {  453,  422 }, {  512,  512 }, {  482,  451 },
-    {  454,  423 }, {  512,  481 }, {  483,  452 }, {  513,  482 },
-    {  484,  453 }, {  514,  483 }, {  485,  454 }, {  544,  513 },
-    {  544,  544 }, {  486,  455 }, {  545,  514 }, {  546,  515 },
-    {  576,  576 }, {  576,  545 }, {  577,  546 }, {  578,  547 },
-    {  608,  577 }, {  609,  578 }, {  610,  579 }, {   19,   19 },
-    {  143,  112 }, {  267,  236 }, {  391,  360 }, {  515,  484 },
-    {  608,  608 }, {   20,   20 }, {   51,   20 }, {  144,  113 },
-    {  175,  144 }, {  268,  237 }, {  299,  268 }, {  392,  361 },
-    {  423,  392 }, {  516,  485 }, {  547,  516 }, {  640,  609 },
-    {  640,  640 }, {   21,   21 }, {   52,   21 }, {   83,   52 },
-    {  145,  114 }, {  176,  145 }, {  207,  176 }, {  269,  238 },
-    {  300,  269 }, {  331,  300 }, {  393,  362 }, {  424,  393 },
-    {  455,  424 }, {  517,  486 }, {  548,  517 }, {  579,  548 },
-    {  641,  610 }, {  672,  641 }, {  672,  672 }, {   22,   22 },
-    {   53,   22 }, {   84,   53 }, {  115,   84 }, {  146,  115 },
-    {  177,  146 }, {  208,  177 }, {  239,  208 }, {  270,  239 },
-    {  301,  270 }, {  332,  301 }, {  363,  332 }, {  394,  363 },
-    {  425,  394 }, {  456,  425 }, {  487,  456 }, {  518,  487 },
-    {  549,  518 }, {  580,  549 }, {  611,  580 }, {  642,  611 },
-    {  673,  642 }, {  704,  673 }, {  704,  704 }, {   54,   23 },
-    {   85,   54 }, {  116,   85 }, {  178,  147 }, {  209,  178 },
-    {  240,  209 }, {  302,  271 }, {  333,  302 }, {  364,  333 },
-    {  426,  395 }, {  457,  426 }, {  488,  457 }, {  550,  519 },
-    {  581,  550 }, {  612,  581 }, {  674,  643 }, {  705,  674 },
-    {  736,  705 }, {   86,   55 }, {  117,   86 }, {  210,  179 },
-    {  241,  210 }, {  334,  303 }, {  365,  334 }, {  458,  427 },
-    {  489,  458 }, {  582,  551 }, {  613,  582 }, {  706,  675 },
-    {  737,  706 }, {  118,   87 }, {  242,  211 }, {  366,  335 },
-    {  490,  459 }, {  614,  583 }, {  738,  707 }, {   23,   23 },
-    {  147,  116 }, {  271,  240 }, {  395,  364 }, {  519,  488 },
-    {  643,  612 }, {  736,  736 }, {   24,   24 }, {   55,   24 },
-    {  148,  117 }, {  179,  148 }, {  272,  241 }, {  303,  272 },
-    {  396,  365 }, {  427,  396 }, {  520,  489 }, {  551,  520 },
-    {  644,  613 }, {  675,  644 }, {  768,  737 }, {  768,  768 },
-    {   25,   25 }, {   56,   25 }, {   87,   56 }, {  149,  118 },
-    {  180,  149 }, {  211,  180 }, {  273,  242 }, {  304,  273 },
-    {  335,  304 }, {  397,  366 }, {  428,  397 }, {  459,  428 },
-    {  521,  490 }, {  552,  521 }, {  583,  552 }, {  645,  614 },
-    {  676,  645 }, {  707,  676 }, {  769,  738 }, {  800,  769 },
-    {  800,  800 }, {   26,   26 }, {   57,   26 }, {   88,   57 },
-    {  119,   88 }, {  150,  119 }, {  181,  150 }, {  212,  181 },
-    {  243,  212 }, {  274,  243 }, {  305,  274 }, {  336,  305 },
-    {  367,  336 }, {  398,  367 }, {  429,  398 }, {  460,  429 },
-    {  491,  460 }, {  522,  491 }, {  553,  522 }, {  584,  553 },
-    {  615,  584 }, {  646,  615 }, {  677,  646 }, {  708,  677 },
-    {  739,  708 }, {  770,  739 }, {  801,  770 }, {  832,  801 },
-    {  832,  832 }, {   58,   27 }, {   89,   58 }, {  120,   89 },
-    {  182,  151 }, {  213,  182 }, {  244,  213 }, {  306,  275 },
-    {  337,  306 }, {  368,  337 }, {  430,  399 }, {  461,  430 },
-    {  492,  461 }, {  554,  523 }, {  585,  554 }, {  616,  585 },
-    {  678,  647 }, {  709,  678 }, {  740,  709 }, {  802,  771 },
-    {  833,  802 }, {  864,  833 }, {   90,   59 }, {  121,   90 },
-    {  214,  183 }, {  245,  214 }, {  338,  307 }, {  369,  338 },
-    {  462,  431 }, {  493,  462 }, {  586,  555 }, {  617,  586 },
-    {  710,  679 }, {  741,  710 }, {  834,  803 }, {  865,  834 },
-    {  122,   91 }, {  246,  215 }, {  370,  339 }, {  494,  463 },
-    {  618,  587 }, {  742,  711 }, {  866,  835 }, {   27,   27 },
-    {  151,  120 }, {  275,  244 }, {  399,  368 }, {  523,  492 },
-    {  647,  616 }, {  771,  740 }, {  864,  864 }, {   28,   28 },
-    {   59,   28 }, {  152,  121 }, {  183,  152 }, {  276,  245 },
-    {  307,  276 }, {  400,  369 }, {  431,  400 }, {  524,  493 },
-    {  555,  524 }, {  648,  617 }, {  679,  648 }, {  772,  741 },
-    {  803,  772 }, {  896,  865 }, {  896,  896 }, {   29,   29 },
-    {   60,   29 }, {   91,   60 }, {  153,  122 }, {  184,  153 },
-    {  215,  184 }, {  277,  246 }, {  308,  277 }, {  339,  308 },
-    {  401,  370 }, {  432,  401 }, {  463,  432 }, {  525,  494 },
-    {  556,  525 }, {  587,  556 }, {  649,  618 }, {  680,  649 },
-    {  711,  680 }, {  773,  742 }, {  804,  773 }, {  835,  804 },
-    {  897,  866 }, {  928,  897 }, {  928,  928 }, {   30,   30 },
-    {   61,   30 }, {   92,   61 }, {  123,   92 }, {  154,  123 },
-    {  185,  154 }, {  216,  185 }, {  247,  216 }, {  278,  247 },
-    {  309,  278 }, {  340,  309 }, {  371,  340 }, {  402,  371 },
-    {  433,  402 }, {  464,  433 }, {  495,  464 }, {  526,  495 },
-    {  557,  526 }, {  588,  557 }, {  619,  588 }, {  650,  619 },
-    {  681,  650 }, {  712,  681 }, {  743,  712 }, {  774,  743 },
-    {  805,  774 }, {  836,  805 }, {  867,  836 }, {  898,  867 },
-    {  929,  898 }, {  960,  929 }, {  960,  960 }, {   62,   31 },
-    {   93,   62 }, {  124,   93 }, {  186,  155 }, {  217,  186 },
-    {  248,  217 }, {  310,  279 }, {  341,  310 }, {  372,  341 },
-    {  434,  403 }, {  465,  434 }, {  496,  465 }, {  558,  527 },
-    {  589,  558 }, {  620,  589 }, {  682,  651 }, {  713,  682 },
-    {  744,  713 }, {  806,  775 }, {  837,  806 }, {  868,  837 },
-    {  930,  899 }, {  961,  930 }, {  992,  961 }, {   94,   63 },
-    {  125,   94 }, {  218,  187 }, {  249,  218 }, {  342,  311 },
-    {  373,  342 }, {  466,  435 }, {  497,  466 }, {  590,  559 },
-    {  621,  590 }, {  714,  683 }, {  745,  714 }, {  838,  807 },
-    {  869,  838 }, {  962,  931 }, {  993,  962 }, {  126,   95 },
-    {  250,  219 }, {  374,  343 }, {  498,  467 }, {  622,  591 },
-    {  746,  715 }, {  870,  839 }, {  994,  963 }, {  155,  124 },
-    {  279,  248 }, {  403,  372 }, {  527,  496 }, {  651,  620 },
-    {  775,  744 }, {  899,  868 }, {  156,  125 }, {  187,  156 },
-    {  280,  249 }, {  311,  280 }, {  404,  373 }, {  435,  404 },
-    {  528,  497 }, {  559,  528 }, {  652,  621 }, {  683,  652 },
-    {  776,  745 }, {  807,  776 }, {  900,  869 }, {  931,  900 },
-    {  157,  126 }, {  188,  157 }, {  219,  188 }, {  281,  250 },
-    {  312,  281 }, {  343,  312 }, {  405,  374 }, {  436,  405 },
-    {  467,  436 }, {  529,  498 }, {  560,  529 }, {  591,  560 },
-    {  653,  622 }, {  684,  653 }, {  715,  684 }, {  777,  746 },
-    {  808,  777 }, {  839,  808 }, {  901,  870 }, {  932,  901 },
-    {  963,  932 }, {  158,  127 }, {  189,  158 }, {  220,  189 },
-    {  251,  220 }, {  282,  251 }, {  313,  282 }, {  344,  313 },
-    {  375,  344 }, {  406,  375 }, {  437,  406 }, {  468,  437 },
-    {  499,  468 }, {  530,  499 }, {  561,  530 }, {  592,  561 },
-    {  623,  592 }, {  654,  623 }, {  685,  654 }, {  716,  685 },
-    {  747,  716 }, {  778,  747 }, {  809,  778 }, {  840,  809 },
-    {  871,  840 }, {  902,  871 }, {  933,  902 }, {  964,  933 },
-    {  995,  964 }, {  190,  159 }, {  221,  190 }, {  252,  221 },
-    {  314,  283 }, {  345,  314 }, {  376,  345 }, {  438,  407 },
-    {  469,  438 }, {  500,  469 }, {  562,  531 }, {  593,  562 },
-    {  624,  593 }, {  686,  655 }, {  717,  686 }, {  748,  717 },
-    {  810,  779 }, {  841,  810 }, {  872,  841 }, {  934,  903 },
-    {  965,  934 }, {  996,  965 }, {  222,  191 }, {  253,  222 },
-    {  346,  315 }, {  377,  346 }, {  470,  439 }, {  501,  470 },
-    {  594,  563 }, {  625,  594 }, {  718,  687 }, {  749,  718 },
-    {  842,  811 }, {  873,  842 }, {  966,  935 }, {  997,  966 },
-    {  254,  223 }, {  378,  347 }, {  502,  471 }, {  626,  595 },
-    {  750,  719 }, {  874,  843 }, {  998,  967 }, {  283,  252 },
-    {  407,  376 }, {  531,  500 }, {  655,  624 }, {  779,  748 },
-    {  903,  872 }, {  284,  253 }, {  315,  284 }, {  408,  377 },
-    {  439,  408 }, {  532,  501 }, {  563,  532 }, {  656,  625 },
-    {  687,  656 }, {  780,  749 }, {  811,  780 }, {  904,  873 },
-    {  935,  904 }, {  285,  254 }, {  316,  285 }, {  347,  316 },
-    {  409,  378 }, {  440,  409 }, {  471,  440 }, {  533,  502 },
-    {  564,  533 }, {  595,  564 }, {  657,  626 }, {  688,  657 },
-    {  719,  688 }, {  781,  750 }, {  812,  781 }, {  843,  812 },
-    {  905,  874 }, {  936,  905 }, {  967,  936 }, {  286,  255 },
-    {  317,  286 }, {  348,  317 }, {  379,  348 }, {  410,  379 },
-    {  441,  410 }, {  472,  441 }, {  503,  472 }, {  534,  503 },
-    {  565,  534 }, {  596,  565 }, {  627,  596 }, {  658,  627 },
-    {  689,  658 }, {  720,  689 }, {  751,  720 }, {  782,  751 },
-    {  813,  782 }, {  844,  813 }, {  875,  844 }, {  906,  875 },
-    {  937,  906 }, {  968,  937 }, {  999,  968 }, {  318,  287 },
-    {  349,  318 }, {  380,  349 }, {  442,  411 }, {  473,  442 },
-    {  504,  473 }, {  566,  535 }, {  597,  566 }, {  628,  597 },
-    {  690,  659 }, {  721,  690 }, {  752,  721 }, {  814,  783 },
-    {  845,  814 }, {  876,  845 }, {  938,  907 }, {  969,  938 },
-    { 1000,  969 }, {  350,  319 }, {  381,  350 }, {  474,  443 },
-    {  505,  474 }, {  598,  567 }, {  629,  598 }, {  722,  691 },
-    {  753,  722 }, {  846,  815 }, {  877,  846 }, {  970,  939 },
-    { 1001,  970 }, {  382,  351 }, {  506,  475 }, {  630,  599 },
-    {  754,  723 }, {  878,  847 }, { 1002,  971 }, {  411,  380 },
-    {  535,  504 }, {  659,  628 }, {  783,  752 }, {  907,  876 },
-    {  412,  381 }, {  443,  412 }, {  536,  505 }, {  567,  536 },
-    {  660,  629 }, {  691,  660 }, {  784,  753 }, {  815,  784 },
-    {  908,  877 }, {  939,  908 }, {  413,  382 }, {  444,  413 },
-    {  475,  444 }, {  537,  506 }, {  568,  537 }, {  599,  568 },
-    {  661,  630 }, {  692,  661 }, {  723,  692 }, {  785,  754 },
-    {  816,  785 }, {  847,  816 }, {  909,  878 }, {  940,  909 },
-    {  971,  940 }, {  414,  383 }, {  445,  414 }, {  476,  445 },
-    {  507,  476 }, {  538,  507 }, {  569,  538 }, {  600,  569 },
-    {  631,  600 }, {  662,  631 }, {  693,  662 }, {  724,  693 },
-    {  755,  724 }, {  786,  755 }, {  817,  786 }, {  848,  817 },
-    {  879,  848 }, {  910,  879 }, {  941,  910 }, {  972,  941 },
-    { 1003,  972 }, {  446,  415 }, {  477,  446 }, {  508,  477 },
-    {  570,  539 }, {  601,  570 }, {  632,  601 }, {  694,  663 },
-    {  725,  694 }, {  756,  725 }, {  818,  787 }, {  849,  818 },
-    {  880,  849 }, {  942,  911 }, {  973,  942 }, { 1004,  973 },
-    {  478,  447 }, {  509,  478 }, {  602,  571 }, {  633,  602 },
-    {  726,  695 }, {  757,  726 }, {  850,  819 }, {  881,  850 },
-    {  974,  943 }, { 1005,  974 }, {  510,  479 }, {  634,  603 },
-    {  758,  727 }, {  882,  851 }, { 1006,  975 }, {  539,  508 },
-    {  663,  632 }, {  787,  756 }, {  911,  880 }, {  540,  509 },
-    {  571,  540 }, {  664,  633 }, {  695,  664 }, {  788,  757 },
-    {  819,  788 }, {  912,  881 }, {  943,  912 }, {  541,  510 },
-    {  572,  541 }, {  603,  572 }, {  665,  634 }, {  696,  665 },
-    {  727,  696 }, {  789,  758 }, {  820,  789 }, {  851,  820 },
-    {  913,  882 }, {  944,  913 }, {  975,  944 }, {  542,  511 },
-    {  573,  542 }, {  604,  573 }, {  635,  604 }, {  666,  635 },
-    {  697,  666 }, {  728,  697 }, {  759,  728 }, {  790,  759 },
-    {  821,  790 }, {  852,  821 }, {  883,  852 }, {  914,  883 },
-    {  945,  914 }, {  976,  945 }, { 1007,  976 }, {  574,  543 },
-    {  605,  574 }, {  636,  605 }, {  698,  667 }, {  729,  698 },
-    {  760,  729 }, {  822,  791 }, {  853,  822 }, {  884,  853 },
-    {  946,  915 }, {  977,  946 }, { 1008,  977 }, {  606,  575 },
-    {  637,  606 }, {  730,  699 }, {  761,  730 }, {  854,  823 },
-    {  885,  854 }, {  978,  947 }, { 1009,  978 }, {  638,  607 },
-    {  762,  731 }, {  886,  855 }, { 1010,  979 }, {  667,  636 },
-    {  791,  760 }, {  915,  884 }, {  668,  637 }, {  699,  668 },
-    {  792,  761 }, {  823,  792 }, {  916,  885 }, {  947,  916 },
-    {  669,  638 }, {  700,  669 }, {  731,  700 }, {  793,  762 },
-    {  824,  793 }, {  855,  824 }, {  917,  886 }, {  948,  917 },
-    {  979,  948 }, {  670,  639 }, {  701,  670 }, {  732,  701 },
-    {  763,  732 }, {  794,  763 }, {  825,  794 }, {  856,  825 },
-    {  887,  856 }, {  918,  887 }, {  949,  918 }, {  980,  949 },
-    { 1011,  980 }, {  702,  671 }, {  733,  702 }, {  764,  733 },
-    {  826,  795 }, {  857,  826 }, {  888,  857 }, {  950,  919 },
-    {  981,  950 }, { 1012,  981 }, {  734,  703 }, {  765,  734 },
-    {  858,  827 }, {  889,  858 }, {  982,  951 }, { 1013,  982 },
-    {  766,  735 }, {  890,  859 }, { 1014,  983 }, {  795,  764 },
-    {  919,  888 }, {  796,  765 }, {  827,  796 }, {  920,  889 },
-    {  951,  920 }, {  797,  766 }, {  828,  797 }, {  859,  828 },
-    {  921,  890 }, {  952,  921 }, {  983,  952 }, {  798,  767 },
-    {  829,  798 }, {  860,  829 }, {  891,  860 }, {  922,  891 },
-    {  953,  922 }, {  984,  953 }, { 1015,  984 }, {  830,  799 },
-    {  861,  830 }, {  892,  861 }, {  954,  923 }, {  985,  954 },
-    { 1016,  985 }, {  862,  831 }, {  893,  862 }, {  986,  955 },
-    { 1017,  986 }, {  894,  863 }, { 1018,  987 }, {  923,  892 },
-    {  924,  893 }, {  955,  924 }, {  925,  894 }, {  956,  925 },
-    {  987,  956 }, {  926,  895 }, {  957,  926 }, {  988,  957 },
-    { 1019,  988 }, {  958,  927 }, {  989,  958 }, { 1020,  989 },
-    {  990,  959 }, { 1021,  990 }, { 1022,  991 }, {    0,    0 },
-};
-
-static const int16_t (* const vp9_scans_nb[5][4])[2] = {
-    {
-        vp9_default_scan_4x4_nb, vp9_col_scan_4x4_nb,
-        vp9_row_scan_4x4_nb, vp9_default_scan_4x4_nb
-    }, {
-        vp9_default_scan_8x8_nb, vp9_col_scan_8x8_nb,
-        vp9_row_scan_8x8_nb, vp9_default_scan_8x8_nb
-    }, {
-        vp9_default_scan_16x16_nb, vp9_col_scan_16x16_nb,
-        vp9_row_scan_16x16_nb, vp9_default_scan_16x16_nb
-    }, {
-        vp9_default_scan_32x32_nb, vp9_default_scan_32x32_nb,
-        vp9_default_scan_32x32_nb, vp9_default_scan_32x32_nb
-    }, { // lossless
-        vp9_default_scan_4x4_nb, vp9_default_scan_4x4_nb,
-        vp9_default_scan_4x4_nb, vp9_default_scan_4x4_nb
-    }
-};
-
-static const uint8_t vp9_model_pareto8[256][8] = {
-    {   6,  86, 128,  11,  87,  42,  91,  52 },
-    {   3,  86, 128,   6,  86,  23,  88,  29 },
-    {   6,  86, 128,  11,  87,  42,  91,  52 },
-    {   9,  86, 129,  17,  88,  61,  94,  76 },
-    {  12,  86, 129,  22,  88,  77,  97,  93 },
-    {  15,  87, 129,  28,  89,  93, 100, 110 },
-    {  17,  87, 129,  33,  90, 105, 103, 123 },
-    {  20,  88, 130,  38,  91, 118, 106, 136 },
-    {  23,  88, 130,  43,  91, 128, 108, 146 },
-    {  26,  89, 131,  48,  92, 139, 111, 156 },
-    {  28,  89, 131,  53,  93, 147, 114, 163 },
-    {  31,  90, 131,  58,  94, 156, 117, 171 },
-    {  34,  90, 131,  62,  94, 163, 119, 177 },
-    {  37,  90, 132,  66,  95, 171, 122, 184 },
-    {  39,  90, 132,  70,  96, 177, 124, 189 },
-    {  42,  91, 132,  75,  97, 183, 127, 194 },
-    {  44,  91, 132,  79,  97, 188, 129, 198 },
-    {  47,  92, 133,  83,  98, 193, 132, 202 },
-    {  49,  92, 133,  86,  99, 197, 134, 205 },
-    {  52,  93, 133,  90, 100, 201, 137, 208 },
-    {  54,  93, 133,  94, 100, 204, 139, 211 },
-    {  57,  94, 134,  98, 101, 208, 142, 214 },
-    {  59,  94, 134, 101, 102, 211, 144, 216 },
-    {  62,  94, 135, 105, 103, 214, 146, 218 },
-    {  64,  94, 135, 108, 103, 216, 148, 220 },
-    {  66,  95, 135, 111, 104, 219, 151, 222 },
-    {  68,  95, 135, 114, 105, 221, 153, 223 },
-    {  71,  96, 136, 117, 106, 224, 155, 225 },
-    {  73,  96, 136, 120, 106, 225, 157, 226 },
-    {  76,  97, 136, 123, 107, 227, 159, 228 },
-    {  78,  97, 136, 126, 108, 229, 160, 229 },
-    {  80,  98, 137, 129, 109, 231, 162, 231 },
-    {  82,  98, 137, 131, 109, 232, 164, 232 },
-    {  84,  98, 138, 134, 110, 234, 166, 233 },
-    {  86,  98, 138, 137, 111, 235, 168, 234 },
-    {  89,  99, 138, 140, 112, 236, 170, 235 },
-    {  91,  99, 138, 142, 112, 237, 171, 235 },
-    {  93, 100, 139, 145, 113, 238, 173, 236 },
-    {  95, 100, 139, 147, 114, 239, 174, 237 },
-    {  97, 101, 140, 149, 115, 240, 176, 238 },
-    {  99, 101, 140, 151, 115, 241, 177, 238 },
-    { 101, 102, 140, 154, 116, 242, 179, 239 },
-    { 103, 102, 140, 156, 117, 242, 180, 239 },
-    { 105, 103, 141, 158, 118, 243, 182, 240 },
-    { 107, 103, 141, 160, 118, 243, 183, 240 },
-    { 109, 104, 141, 162, 119, 244, 185, 241 },
-    { 111, 104, 141, 164, 119, 244, 186, 241 },
-    { 113, 104, 142, 166, 120, 245, 187, 242 },
-    { 114, 104, 142, 168, 121, 245, 188, 242 },
-    { 116, 105, 143, 170, 122, 246, 190, 243 },
-    { 118, 105, 143, 171, 122, 246, 191, 243 },
-    { 120, 106, 143, 173, 123, 247, 192, 244 },
-    { 121, 106, 143, 175, 124, 247, 193, 244 },
-    { 123, 107, 144, 177, 125, 248, 195, 244 },
-    { 125, 107, 144, 178, 125, 248, 196, 244 },
-    { 127, 108, 145, 180, 126, 249, 197, 245 },
-    { 128, 108, 145, 181, 127, 249, 198, 245 },
-    { 130, 109, 145, 183, 128, 249, 199, 245 },
-    { 132, 109, 145, 184, 128, 249, 200, 245 },
-    { 134, 110, 146, 186, 129, 250, 201, 246 },
-    { 135, 110, 146, 187, 130, 250, 202, 246 },
-    { 137, 111, 147, 189, 131, 251, 203, 246 },
-    { 138, 111, 147, 190, 131, 251, 204, 246 },
-    { 140, 112, 147, 192, 132, 251, 205, 247 },
-    { 141, 112, 147, 193, 132, 251, 206, 247 },
-    { 143, 113, 148, 194, 133, 251, 207, 247 },
-    { 144, 113, 148, 195, 134, 251, 207, 247 },
-    { 146, 114, 149, 197, 135, 252, 208, 248 },
-    { 147, 114, 149, 198, 135, 252, 209, 248 },
-    { 149, 115, 149, 199, 136, 252, 210, 248 },
-    { 150, 115, 149, 200, 137, 252, 210, 248 },
-    { 152, 115, 150, 201, 138, 252, 211, 248 },
-    { 153, 115, 150, 202, 138, 252, 212, 248 },
-    { 155, 116, 151, 204, 139, 253, 213, 249 },
-    { 156, 116, 151, 205, 139, 253, 213, 249 },
-    { 158, 117, 151, 206, 140, 253, 214, 249 },
-    { 159, 117, 151, 207, 141, 253, 215, 249 },
-    { 161, 118, 152, 208, 142, 253, 216, 249 },
-    { 162, 118, 152, 209, 142, 253, 216, 249 },
-    { 163, 119, 153, 210, 143, 253, 217, 249 },
-    { 164, 119, 153, 211, 143, 253, 217, 249 },
-    { 166, 120, 153, 212, 144, 254, 218, 250 },
-    { 167, 120, 153, 212, 145, 254, 219, 250 },
-    { 168, 121, 154, 213, 146, 254, 220, 250 },
-    { 169, 121, 154, 214, 146, 254, 220, 250 },
-    { 171, 122, 155, 215, 147, 254, 221, 250 },
-    { 172, 122, 155, 216, 147, 254, 221, 250 },
-    { 173, 123, 155, 217, 148, 254, 222, 250 },
-    { 174, 123, 155, 217, 149, 254, 222, 250 },
-    { 176, 124, 156, 218, 150, 254, 223, 250 },
-    { 177, 124, 156, 219, 150, 254, 223, 250 },
-    { 178, 125, 157, 220, 151, 254, 224, 251 },
-    { 179, 125, 157, 220, 151, 254, 224, 251 },
-    { 180, 126, 157, 221, 152, 254, 225, 251 },
-    { 181, 126, 157, 221, 152, 254, 225, 251 },
-    { 183, 127, 158, 222, 153, 254, 226, 251 },
-    { 184, 127, 158, 223, 154, 254, 226, 251 },
-    { 185, 128, 159, 224, 155, 255, 227, 251 },
-    { 186, 128, 159, 224, 155, 255, 227, 251 },
-    { 187, 129, 160, 225, 156, 255, 228, 251 },
-    { 188, 130, 160, 225, 156, 255, 228, 251 },
-    { 189, 131, 160, 226, 157, 255, 228, 251 },
-    { 190, 131, 160, 226, 158, 255, 228, 251 },
-    { 191, 132, 161, 227, 159, 255, 229, 251 },
-    { 192, 132, 161, 227, 159, 255, 229, 251 },
-    { 193, 133, 162, 228, 160, 255, 230, 252 },
-    { 194, 133, 162, 229, 160, 255, 230, 252 },
-    { 195, 134, 163, 230, 161, 255, 231, 252 },
-    { 196, 134, 163, 230, 161, 255, 231, 252 },
-    { 197, 135, 163, 231, 162, 255, 231, 252 },
-    { 198, 135, 163, 231, 162, 255, 231, 252 },
-    { 199, 136, 164, 232, 163, 255, 232, 252 },
-    { 200, 136, 164, 232, 164, 255, 232, 252 },
-    { 201, 137, 165, 233, 165, 255, 233, 252 },
-    { 201, 137, 165, 233, 165, 255, 233, 252 },
-    { 202, 138, 166, 233, 166, 255, 233, 252 },
-    { 203, 138, 166, 233, 166, 255, 233, 252 },
-    { 204, 139, 166, 234, 167, 255, 234, 252 },
-    { 205, 139, 166, 234, 167, 255, 234, 252 },
-    { 206, 140, 167, 235, 168, 255, 235, 252 },
-    { 206, 140, 167, 235, 168, 255, 235, 252 },
-    { 207, 141, 168, 236, 169, 255, 235, 252 },
-    { 208, 141, 168, 236, 170, 255, 235, 252 },
-    { 209, 142, 169, 237, 171, 255, 236, 252 },
-    { 209, 143, 169, 237, 171, 255, 236, 252 },
-    { 210, 144, 169, 237, 172, 255, 236, 252 },
-    { 211, 144, 169, 237, 172, 255, 236, 252 },
-    { 212, 145, 170, 238, 173, 255, 237, 252 },
-    { 213, 145, 170, 238, 173, 255, 237, 252 },
-    { 214, 146, 171, 239, 174, 255, 237, 253 },
-    { 214, 146, 171, 239, 174, 255, 237, 253 },
-    { 215, 147, 172, 240, 175, 255, 238, 253 },
-    { 215, 147, 172, 240, 175, 255, 238, 253 },
-    { 216, 148, 173, 240, 176, 255, 238, 253 },
-    { 217, 148, 173, 240, 176, 255, 238, 253 },
-    { 218, 149, 173, 241, 177, 255, 239, 253 },
-    { 218, 149, 173, 241, 178, 255, 239, 253 },
-    { 219, 150, 174, 241, 179, 255, 239, 253 },
-    { 219, 151, 174, 241, 179, 255, 239, 253 },
-    { 220, 152, 175, 242, 180, 255, 240, 253 },
-    { 221, 152, 175, 242, 180, 255, 240, 253 },
-    { 222, 153, 176, 242, 181, 255, 240, 253 },
-    { 222, 153, 176, 242, 181, 255, 240, 253 },
-    { 223, 154, 177, 243, 182, 255, 240, 253 },
-    { 223, 154, 177, 243, 182, 255, 240, 253 },
-    { 224, 155, 178, 244, 183, 255, 241, 253 },
-    { 224, 155, 178, 244, 183, 255, 241, 253 },
-    { 225, 156, 178, 244, 184, 255, 241, 253 },
-    { 225, 157, 178, 244, 184, 255, 241, 253 },
-    { 226, 158, 179, 244, 185, 255, 242, 253 },
-    { 227, 158, 179, 244, 185, 255, 242, 253 },
-    { 228, 159, 180, 245, 186, 255, 242, 253 },
-    { 228, 159, 180, 245, 186, 255, 242, 253 },
-    { 229, 160, 181, 245, 187, 255, 242, 253 },
-    { 229, 160, 181, 245, 187, 255, 242, 253 },
-    { 230, 161, 182, 246, 188, 255, 243, 253 },
-    { 230, 162, 182, 246, 188, 255, 243, 253 },
-    { 231, 163, 183, 246, 189, 255, 243, 253 },
-    { 231, 163, 183, 246, 189, 255, 243, 253 },
-    { 232, 164, 184, 247, 190, 255, 243, 253 },
-    { 232, 164, 184, 247, 190, 255, 243, 253 },
-    { 233, 165, 185, 247, 191, 255, 244, 253 },
-    { 233, 165, 185, 247, 191, 255, 244, 253 },
-    { 234, 166, 185, 247, 192, 255, 244, 253 },
-    { 234, 167, 185, 247, 192, 255, 244, 253 },
-    { 235, 168, 186, 248, 193, 255, 244, 253 },
-    { 235, 168, 186, 248, 193, 255, 244, 253 },
-    { 236, 169, 187, 248, 194, 255, 244, 253 },
-    { 236, 169, 187, 248, 194, 255, 244, 253 },
-    { 236, 170, 188, 248, 195, 255, 245, 253 },
-    { 236, 170, 188, 248, 195, 255, 245, 253 },
-    { 237, 171, 189, 249, 196, 255, 245, 254 },
-    { 237, 172, 189, 249, 196, 255, 245, 254 },
-    { 238, 173, 190, 249, 197, 255, 245, 254 },
-    { 238, 173, 190, 249, 197, 255, 245, 254 },
-    { 239, 174, 191, 249, 198, 255, 245, 254 },
-    { 239, 174, 191, 249, 198, 255, 245, 254 },
-    { 240, 175, 192, 249, 199, 255, 246, 254 },
-    { 240, 176, 192, 249, 199, 255, 246, 254 },
-    { 240, 177, 193, 250, 200, 255, 246, 254 },
-    { 240, 177, 193, 250, 200, 255, 246, 254 },
-    { 241, 178, 194, 250, 201, 255, 246, 254 },
-    { 241, 178, 194, 250, 201, 255, 246, 254 },
-    { 242, 179, 195, 250, 202, 255, 246, 254 },
-    { 242, 180, 195, 250, 202, 255, 246, 254 },
-    { 242, 181, 196, 250, 203, 255, 247, 254 },
-    { 242, 181, 196, 250, 203, 255, 247, 254 },
-    { 243, 182, 197, 251, 204, 255, 247, 254 },
-    { 243, 183, 197, 251, 204, 255, 247, 254 },
-    { 244, 184, 198, 251, 205, 255, 247, 254 },
-    { 244, 184, 198, 251, 205, 255, 247, 254 },
-    { 244, 185, 199, 251, 206, 255, 247, 254 },
-    { 244, 185, 199, 251, 206, 255, 247, 254 },
-    { 245, 186, 200, 251, 207, 255, 247, 254 },
-    { 245, 187, 200, 251, 207, 255, 247, 254 },
-    { 246, 188, 201, 252, 207, 255, 248, 254 },
-    { 246, 188, 201, 252, 207, 255, 248, 254 },
-    { 246, 189, 202, 252, 208, 255, 248, 254 },
-    { 246, 190, 202, 252, 208, 255, 248, 254 },
-    { 247, 191, 203, 252, 209, 255, 248, 254 },
-    { 247, 191, 203, 252, 209, 255, 248, 254 },
-    { 247, 192, 204, 252, 210, 255, 248, 254 },
-    { 247, 193, 204, 252, 210, 255, 248, 254 },
-    { 248, 194, 205, 252, 211, 255, 248, 254 },
-    { 248, 194, 205, 252, 211, 255, 248, 254 },
-    { 248, 195, 206, 252, 212, 255, 249, 254 },
-    { 248, 196, 206, 252, 212, 255, 249, 254 },
-    { 249, 197, 207, 253, 213, 255, 249, 254 },
-    { 249, 197, 207, 253, 213, 255, 249, 254 },
-    { 249, 198, 208, 253, 214, 255, 249, 254 },
-    { 249, 199, 209, 253, 214, 255, 249, 254 },
-    { 250, 200, 210, 253, 215, 255, 249, 254 },
-    { 250, 200, 210, 253, 215, 255, 249, 254 },
-    { 250, 201, 211, 253, 215, 255, 249, 254 },
-    { 250, 202, 211, 253, 215, 255, 249, 254 },
-    { 250, 203, 212, 253, 216, 255, 249, 254 },
-    { 250, 203, 212, 253, 216, 255, 249, 254 },
-    { 251, 204, 213, 253, 217, 255, 250, 254 },
-    { 251, 205, 213, 253, 217, 255, 250, 254 },
-    { 251, 206, 214, 254, 218, 255, 250, 254 },
-    { 251, 206, 215, 254, 218, 255, 250, 254 },
-    { 252, 207, 216, 254, 219, 255, 250, 254 },
-    { 252, 208, 216, 254, 219, 255, 250, 254 },
-    { 252, 209, 217, 254, 220, 255, 250, 254 },
-    { 252, 210, 217, 254, 220, 255, 250, 254 },
-    { 252, 211, 218, 254, 221, 255, 250, 254 },
-    { 252, 212, 218, 254, 221, 255, 250, 254 },
-    { 253, 213, 219, 254, 222, 255, 250, 254 },
-    { 253, 213, 220, 254, 222, 255, 250, 254 },
-    { 253, 214, 221, 254, 223, 255, 250, 254 },
-    { 253, 215, 221, 254, 223, 255, 250, 254 },
-    { 253, 216, 222, 254, 224, 255, 251, 254 },
-    { 253, 217, 223, 254, 224, 255, 251, 254 },
-    { 253, 218, 224, 254, 225, 255, 251, 254 },
-    { 253, 219, 224, 254, 225, 255, 251, 254 },
-    { 254, 220, 225, 254, 225, 255, 251, 254 },
-    { 254, 221, 226, 254, 225, 255, 251, 254 },
-    { 254, 222, 227, 255, 226, 255, 251, 254 },
-    { 254, 223, 227, 255, 226, 255, 251, 254 },
-    { 254, 224, 228, 255, 227, 255, 251, 254 },
-    { 254, 225, 229, 255, 227, 255, 251, 254 },
-    { 254, 226, 230, 255, 228, 255, 251, 254 },
-    { 254, 227, 230, 255, 229, 255, 251, 254 },
-    { 255, 228, 231, 255, 230, 255, 251, 254 },
-    { 255, 229, 232, 255, 230, 255, 251, 254 },
-    { 255, 230, 233, 255, 231, 255, 252, 254 },
-    { 255, 231, 234, 255, 231, 255, 252, 254 },
-    { 255, 232, 235, 255, 232, 255, 252, 254 },
-    { 255, 233, 236, 255, 232, 255, 252, 254 },
-    { 255, 235, 237, 255, 233, 255, 252, 254 },
-    { 255, 236, 238, 255, 234, 255, 252, 254 },
-    { 255, 238, 240, 255, 235, 255, 252, 255 },
-    { 255, 239, 241, 255, 235, 255, 252, 254 },
-    { 255, 241, 243, 255, 236, 255, 252, 254 },
-    { 255, 243, 245, 255, 237, 255, 252, 254 },
-    { 255, 246, 247, 255, 239, 255, 253, 255 },
-};
-
-typedef struct {
-    uint8_t y_mode[4][9];
-    uint8_t uv_mode[10][9];
-    uint8_t filter[4][2];
-    uint8_t mv_mode[7][3];
-    uint8_t intra[4];
-    uint8_t comp[5];
-    uint8_t single_ref[5][2];
-    uint8_t comp_ref[5];
-    uint8_t tx32p[2][3];
-    uint8_t tx16p[2][2];
-    uint8_t tx8p[2];
-    uint8_t skip[3];
-    uint8_t mv_joint[3];
-    struct {
-        uint8_t sign;
-        uint8_t classes[10];
-        uint8_t class0;
-        uint8_t bits[10];
-        uint8_t class0_fp[2][3];
-        uint8_t fp[3];
-        uint8_t class0_hp;
-        uint8_t hp;
-    } mv_comp[2];
-    uint8_t partition[4][4][3];
-} prob_context;
-
-static const prob_context vp9_default_probs = {
-    { /* y_mode */
-        {  65,  32,  18, 144, 162, 194,  41,  51,  98 } /* bsize < 8x8 */,
-        { 132,  68,  18, 165, 217, 196,  45,  40,  78 } /* bsize < 16x16 */,
-        { 173,  80,  19, 176, 240, 193,  64,  35,  46 } /* bsize < 32x32 */,
-        { 221, 135,  38, 194, 248, 121,  96,  85,  29 } /* bsize >= 32x32 */
-    }, { /* uv_mode */
-        {  48,  12, 154, 155, 139,  90,  34, 117, 119 } /* y = v */,
-        {  67,   6,  25, 204, 243, 158,  13,  21,  96 } /* y = h */,
-        { 120,   7,  76, 176, 208, 126,  28,  54, 103 } /* y = dc */,
-        {  97,   5,  44, 131, 176, 139,  48,  68,  97 } /* y = d45 */,
-        {  83,   5,  42, 156, 111, 152,  26,  49, 152 } /* y = d135 */,
-        {  80,   5,  58, 178,  74,  83,  33,  62, 145 } /* y = d117 */,
-        {  86,   5,  32, 154, 192, 168,  14,  22, 163 } /* y = d153 */,
-        {  77,   7,  64, 116, 132, 122,  37, 126, 120 } /* y = d63 */,
-        {  85,   5,  32, 156, 216, 148,  19,  29,  73 } /* y = d27 */,
-        { 101,  21, 107, 181, 192, 103,  19,  67, 125 } /* y = tm */
-    }, { /* filter */
-        { 235, 162, },
-        {  36, 255, },
-        {  34,   3, },
-        { 149, 144, },
-    }, { /* mv_mode */
-        {  2, 173,  34},  // 0 = both zero mv
-        {  7, 145,  85},  // 1 = one zero mv + one a predicted mv
-        {  7, 166,  63},  // 2 = two predicted mvs
-        {  7,  94,  66},  // 3 = one predicted/zero and one new mv
-        {  8,  64,  46},  // 4 = two new mvs
-        { 17,  81,  31},  // 5 = one intra neighbour + x
-        { 25,  29,  30},  // 6 = two intra neighbours
-    }, { /* intra */
-        9, 102, 187, 225
-    }, { /* comp */
-        239, 183, 119,  96,  41
-    }, { /* single_ref */
-        {  33,  16 },
-        {  77,  74 },
-        { 142, 142 },
-        { 172, 170 },
-        { 238, 247 }
-    }, { /* comp_ref */
-        50, 126, 123, 221, 226
-    }, { /* tx32p */
-        { 3, 136, 37, },
-        { 5,  52, 13, },
-    }, { /* tx16p */
-        { 20, 152, },
-        { 15, 101, },
-    }, { /* tx8p */
-        100, 66
-    }, { /* skip */
-        192, 128, 64
-    }, { /* mv_joint */
-        32, 64, 96
-    }, {
-        { /* mv vertical component */
-            128, /* sign */
-            { 224, 144, 192, 168, 192, 176, 192, 198, 198, 245 }, /* class */
-            216, /* class0 */
-            { 136, 140, 148, 160, 176, 192, 224, 234, 234, 240}, /* bits */
-            { /* class0_fp */
-                { 128, 128, 64 },
-                {  96, 112, 64 }
-            },
-            { 64, 96, 64 }, /* fp */
-            160, /* class0_hp bit */
-            128, /* hp */
-        }, { /* mv horizontal component */
-            128, /* sign */
-            { 216, 128, 176, 160, 176, 176, 192, 198, 198, 208 }, /* class */
-            208, /* class0 */
-            { 136, 140, 148, 160, 176, 192, 224, 234, 234, 240 }, /* bits */
-            { /* class0_fp */
-                { 128, 128, 64 },
-                {  96, 112, 64 }
-            },
-            { 64, 96, 64 }, /* fp */
-            160, /* class0_hp bit */
-            128, /* hp */
-        }
-    }, { /* partition */
-        { /* 64x64 -> 32x32 */
-            { 222,  34,  30 } /* a/l both not split */,
-            {  72,  16,  44 } /* a split, l not split */,
-            {  58,  32,  12 } /* l split, a not split */,
-            {  10,   7,   6 } /* a/l both split */,
-        }, { /* 32x32 -> 16x16 */
-            { 177,  58,  59 } /* a/l both not split */,
-            {  68,  26,  63 } /* a split, l not split */,
-            {  52,  79,  25 } /* l split, a not split */,
-            {  17,  14,  12 } /* a/l both split */,
-        }, { /* 16x16 -> 8x8 */
-            { 174,  73,  87 } /* a/l both not split */,
-            {  92,  41,  83 } /* a split, l not split */,
-            {  82,  99,  50 } /* l split, a not split */,
-            {  53,  39,  39 } /* a/l both split */,
-        }, { /* 8x8 -> 4x4 */
-            { 199, 122, 141 } /* a/l both not split */,
-            { 147,  63, 159 } /* a split, l not split */,
-            { 148, 133, 118 } /* l split, a not split */,
-            { 121, 104, 114 } /* a/l both split */,
-        }
-    },
-};
-
-static const uint8_t vp9_default_coef_probs[4][2][2][6][6][3] = {
-    { /* tx = 4x4 */
-        { /* block Type 0 */
-            { /* Intra */
-                { /* Coeff Band 0 */
-                    { 195,  29, 183 },
-                    {  84,  49, 136 },
-                    {   8,  42,  71 }
-                }, { /* Coeff Band 1 */
-                    {  31, 107, 169 },
-                    {  35,  99, 159 },
-                    {  17,  82, 140 },
-                    {   8,  66, 114 },
-                    {   2,  44,  76 },
-                    {   1,  19,  32 }
-                }, { /* Coeff Band 2 */
-                    {  40, 132, 201 },
-                    {  29, 114, 187 },
-                    {  13,  91, 157 },
-                    {   7,  75, 127 },
-                    {   3,  58,  95 },
-                    {   1,  28,  47 }
-                }, { /* Coeff Band 3 */
-                    {  69, 142, 221 },
-                    {  42, 122, 201 },
-                    {  15,  91, 159 },
-                    {   6,  67, 121 },
-                    {   1,  42,  77 },
-                    {   1,  17,  31 }
-                }, { /* Coeff Band 4 */
-                    { 102, 148, 228 },
-                    {  67, 117, 204 },
-                    {  17,  82, 154 },
-                    {   6,  59, 114 },
-                    {   2,  39,  75 },
-                    {   1,  15,  29 }
-                }, { /* Coeff Band 5 */
-                    { 156,  57, 233 },
-                    { 119,  57, 212 },
-                    {  58,  48, 163 },
-                    {  29,  40, 124 },
-                    {  12,  30,  81 },
-                    {   3,  12,  31 }
-                }
-            }, { /* Inter */
-                { /* Coeff Band 0 */
-                    { 191, 107, 226 },
-                    { 124, 117, 204 },
-                    {  25,  99, 155 }
-                }, { /* Coeff Band 1 */
-                    {  29, 148, 210 },
-                    {  37, 126, 194 },
-                    {   8,  93, 157 },
-                    {   2,  68, 118 },
-                    {   1,  39,  69 },
-                    {   1,  17,  33 }
-                }, { /* Coeff Band 2 */
-                    {  41, 151, 213 },
-                    {  27, 123, 193 },
-                    {   3,  82, 144 },
-                    {   1,  58, 105 },
-                    {   1,  32,  60 },
-                    {   1,  13,  26 }
-                }, { /* Coeff Band 3 */
-                    {  59, 159, 220 },
-                    {  23, 126, 198 },
-                    {   4,  88, 151 },
-                    {   1,  66, 114 },
-                    {   1,  38,  71 },
-                    {   1,  18,  34 }
-                }, { /* Coeff Band 4 */
-                    { 114, 136, 232 },
-                    {  51, 114, 207 },
-                    {  11,  83, 155 },
-                    {   3,  56, 105 },
-                    {   1,  33,  65 },
-                    {   1,  17,  34 }
-                }, { /* Coeff Band 5 */
-                    { 149,  65, 234 },
-                    { 121,  57, 215 },
-                    {  61,  49, 166 },
-                    {  28,  36, 114 },
-                    {  12,  25,  76 },
-                    {   3,  16,  42 }
-                }
-            }
-        }, { /* block Type 1 */
-            { /* Intra */
-                { /* Coeff Band 0 */
-                    { 214,  49, 220 },
-                    { 132,  63, 188 },
-                    {  42,  65, 137 }
-                }, { /* Coeff Band 1 */
-                    {  85, 137, 221 },
-                    { 104, 131, 216 },
-                    {  49, 111, 192 },
-                    {  21,  87, 155 },
-                    {   2,  49,  87 },
-                    {   1,  16,  28 }
-                }, { /* Coeff Band 2 */
-                    {  89, 163, 230 },
-                    {  90, 137, 220 },
-                    {  29, 100, 183 },
-                    {  10,  70, 135 },
-                    {   2,  42,  81 },
-                    {   1,  17,  33 }
-                }, { /* Coeff Band 3 */
-                    { 108, 167, 237 },
-                    {  55, 133, 222 },
-                    {  15,  97, 179 },
-                    {   4,  72, 135 },
-                    {   1,  45,  85 },
-                    {   1,  19,  38 }
-                }, { /* Coeff Band 4 */
-                    { 124, 146, 240 },
-                    {  66, 124, 224 },
-                    {  17,  88, 175 },
-                    {   4,  58, 122 },
-                    {   1,  36,  75 },
-                    {   1,  18,  37 }
-                }, { /* Coeff Band 5 */
-                    { 141,  79, 241 },
-                    { 126,  70, 227 },
-                    {  66,  58, 182 },
-                    {  30,  44, 136 },
-                    {  12,  34,  96 },
-                    {   2,  20,  47 }
-                }
-            }, { /* Inter */
-                { /* Coeff Band 0 */
-                    { 229,  99, 249 },
-                    { 143, 111, 235 },
-                    {  46, 109, 192 }
-                }, { /* Coeff Band 1 */
-                    {  82, 158, 236 },
-                    {  94, 146, 224 },
-                    {  25, 117, 191 },
-                    {   9,  87, 149 },
-                    {   3,  56,  99 },
-                    {   1,  33,  57 }
-                }, { /* Coeff Band 2 */
-                    {  83, 167, 237 },
-                    {  68, 145, 222 },
-                    {  10, 103, 177 },
-                    {   2,  72, 131 },
-                    {   1,  41,  79 },
-                    {   1,  20,  39 }
-                }, { /* Coeff Band 3 */
-                    {  99, 167, 239 },
-                    {  47, 141, 224 },
-                    {  10, 104, 178 },
-                    {   2,  73, 133 },
-                    {   1,  44,  85 },
-                    {   1,  22,  47 }
-                }, { /* Coeff Band 4 */
-                    { 127, 145, 243 },
-                    {  71, 129, 228 },
-                    {  17,  93, 177 },
-                    {   3,  61, 124 },
-                    {   1,  41,  84 },
-                    {   1,  21,  52 }
-                }, { /* Coeff Band 5 */
-                    { 157,  78, 244 },
-                    { 140,  72, 231 },
-                    {  69,  58, 184 },
-                    {  31,  44, 137 },
-                    {  14,  38, 105 },
-                    {   8,  23,  61 }
-                }
-            }
-        }
-    }, { /* tx = 8x8 */
-        { /* block Type 0 */
-            { /* Intra */
-                { /* Coeff Band 0 */
-                    { 125,  34, 187 },
-                    {  52,  41, 133 },
-                    {   6,  31,  56 }
-                }, { /* Coeff Band 1 */
-                    {  37, 109, 153 },
-                    {  51, 102, 147 },
-                    {  23,  87, 128 },
-                    {   8,  67, 101 },
-                    {   1,  41,  63 },
-                    {   1,  19,  29 }
-                }, { /* Coeff Band 2 */
-                    {  31, 154, 185 },
-                    {  17, 127, 175 },
-                    {   6,  96, 145 },
-                    {   2,  73, 114 },
-                    {   1,  51,  82 },
-                    {   1,  28,  45 }
-                }, { /* Coeff Band 3 */
-                    {  23, 163, 200 },
-                    {  10, 131, 185 },
-                    {   2,  93, 148 },
-                    {   1,  67, 111 },
-                    {   1,  41,  69 },
-                    {   1,  14,  24 }
-                }, { /* Coeff Band 4 */
-                    {  29, 176, 217 },
-                    {  12, 145, 201 },
-                    {   3, 101, 156 },
-                    {   1,  69, 111 },
-                    {   1,  39,  63 },
-                    {   1,  14,  23 }
-                }, { /* Coeff Band 5 */
-                    {  57, 192, 233 },
-                    {  25, 154, 215 },
-                    {   6, 109, 167 },
-                    {   3,  78, 118 },
-                    {   1,  48,  69 },
-                    {   1,  21,  29 }
-                }
-            }, { /* Inter */
-                { /* Coeff Band 0 */
-                    { 202, 105, 245 },
-                    { 108, 106, 216 },
-                    {  18,  90, 144 }
-                }, { /* Coeff Band 1 */
-                    {  33, 172, 219 },
-                    {  64, 149, 206 },
-                    {  14, 117, 177 },
-                    {   5,  90, 141 },
-                    {   2,  61,  95 },
-                    {   1,  37,  57 }
-                }, { /* Coeff Band 2 */
-                    {  33, 179, 220 },
-                    {  11, 140, 198 },
-                    {   1,  89, 148 },
-                    {   1,  60, 104 },
-                    {   1,  33,  57 },
-                    {   1,  12,  21 }
-                }, { /* Coeff Band 3 */
-                    {  30, 181, 221 },
-                    {   8, 141, 198 },
-                    {   1,  87, 145 },
-                    {   1,  58, 100 },
-                    {   1,  31,  55 },
-                    {   1,  12,  20 }
-                }, { /* Coeff Band 4 */
-                    {  32, 186, 224 },
-                    {   7, 142, 198 },
-                    {   1,  86, 143 },
-                    {   1,  58, 100 },
-                    {   1,  31,  55 },
-                    {   1,  12,  22 }
-                }, { /* Coeff Band 5 */
-                    {  57, 192, 227 },
-                    {  20, 143, 204 },
-                    {   3,  96, 154 },
-                    {   1,  68, 112 },
-                    {   1,  42,  69 },
-                    {   1,  19,  32 }
-                }
-            }
-        }, { /* block Type 1 */
-            { /* Intra */
-                { /* Coeff Band 0 */
-                    { 212,  35, 215 },
-                    { 113,  47, 169 },
-                    {  29,  48, 105 }
-                }, { /* Coeff Band 1 */
-                    {  74, 129, 203 },
-                    { 106, 120, 203 },
-                    {  49, 107, 178 },
-                    {  19,  84, 144 },
-                    {   4,  50,  84 },
-                    {   1,  15,  25 }
-                }, { /* Coeff Band 2 */
-                    {  71, 172, 217 },
-                    {  44, 141, 209 },
-                    {  15, 102, 173 },
-                    {   6,  76, 133 },
-                    {   2,  51,  89 },
-                    {   1,  24,  42 }
-                }, { /* Coeff Band 3 */
-                    {  64, 185, 231 },
-                    {  31, 148, 216 },
-                    {   8, 103, 175 },
-                    {   3,  74, 131 },
-                    {   1,  46,  81 },
-                    {   1,  18,  30 }
-                }, { /* Coeff Band 4 */
-                    {  65, 196, 235 },
-                    {  25, 157, 221 },
-                    {   5, 105, 174 },
-                    {   1,  67, 120 },
-                    {   1,  38,  69 },
-                    {   1,  15,  30 }
-                }, { /* Coeff Band 5 */
-                    {  65, 204, 238 },
-                    {  30, 156, 224 },
-                    {   7, 107, 177 },
-                    {   2,  70, 124 },
-                    {   1,  42,  73 },
-                    {   1,  18,  34 }
-                }
-            }, { /* Inter */
-                { /* Coeff Band 0 */
-                    { 225,  86, 251 },
-                    { 144, 104, 235 },
-                    {  42,  99, 181 }
-                }, { /* Coeff Band 1 */
-                    {  85, 175, 239 },
-                    { 112, 165, 229 },
-                    {  29, 136, 200 },
-                    {  12, 103, 162 },
-                    {   6,  77, 123 },
-                    {   2,  53,  84 }
-                }, { /* Coeff Band 2 */
-                    {  75, 183, 239 },
-                    {  30, 155, 221 },
-                    {   3, 106, 171 },
-                    {   1,  74, 128 },
-                    {   1,  44,  76 },
-                    {   1,  17,  28 }
-                }, { /* Coeff Band 3 */
-                    {  73, 185, 240 },
-                    {  27, 159, 222 },
-                    {   2, 107, 172 },
-                    {   1,  75, 127 },
-                    {   1,  42,  73 },
-                    {   1,  17,  29 }
-                }, { /* Coeff Band 4 */
-                    {  62, 190, 238 },
-                    {  21, 159, 222 },
-                    {   2, 107, 172 },
-                    {   1,  72, 122 },
-                    {   1,  40,  71 },
-                    {   1,  18,  32 }
-                }, { /* Coeff Band 5 */
-                    {  61, 199, 240 },
-                    {  27, 161, 226 },
-                    {   4, 113, 180 },
-                    {   1,  76, 129 },
-                    {   1,  46,  80 },
-                    {   1,  23,  41 }
-                }
-            }
-        }
-    }, { /* tx = 16x16 */
-        { /* block Type 0 */
-            { /* Intra */
-                { /* Coeff Band 0 */
-                    {   7,  27, 153 },
-                    {   5,  30,  95 },
-                    {   1,  16,  30 }
-                }, { /* Coeff Band 1 */
-                    {  50,  75, 127 },
-                    {  57,  75, 124 },
-                    {  27,  67, 108 },
-                    {  10,  54,  86 },
-                    {   1,  33,  52 },
-                    {   1,  12,  18 }
-                }, { /* Coeff Band 2 */
-                    {  43, 125, 151 },
-                    {  26, 108, 148 },
-                    {   7,  83, 122 },
-                    {   2,  59,  89 },
-                    {   1,  38,  60 },
-                    {   1,  17,  27 }
-                }, { /* Coeff Band 3 */
-                    {  23, 144, 163 },
-                    {  13, 112, 154 },
-                    {   2,  75, 117 },
-                    {   1,  50,  81 },
-                    {   1,  31,  51 },
-                    {   1,  14,  23 }
-                }, { /* Coeff Band 4 */
-                    {  18, 162, 185 },
-                    {   6, 123, 171 },
-                    {   1,  78, 125 },
-                    {   1,  51,  86 },
-                    {   1,  31,  54 },
-                    {   1,  14,  23 }
-                }, { /* Coeff Band 5 */
-                    {  15, 199, 227 },
-                    {   3, 150, 204 },
-                    {   1,  91, 146 },
-                    {   1,  55,  95 },
-                    {   1,  30,  53 },
-                    {   1,  11,  20 }
-                }
-            }, { /* Inter */
-                { /* Coeff Band 0 */
-                    {  19,  55, 240 },
-                    {  19,  59, 196 },
-                    {   3,  52, 105 }
-                }, { /* Coeff Band 1 */
-                    {  41, 166, 207 },
-                    { 104, 153, 199 },
-                    {  31, 123, 181 },
-                    {  14, 101, 152 },
-                    {   5,  72, 106 },
-                    {   1,  36,  52 }
-                }, { /* Coeff Band 2 */
-                    {  35, 176, 211 },
-                    {  12, 131, 190 },
-                    {   2,  88, 144 },
-                    {   1,  60, 101 },
-                    {   1,  36,  60 },
-                    {   1,  16,  28 }
-                }, { /* Coeff Band 3 */
-                    {  28, 183, 213 },
-                    {   8, 134, 191 },
-                    {   1,  86, 142 },
-                    {   1,  56,  96 },
-                    {   1,  30,  53 },
-                    {   1,  12,  20 }
-                }, { /* Coeff Band 4 */
-                    {  20, 190, 215 },
-                    {   4, 135, 192 },
-                    {   1,  84, 139 },
-                    {   1,  53,  91 },
-                    {   1,  28,  49 },
-                    {   1,  11,  20 }
-                }, { /* Coeff Band 5 */
-                    {  13, 196, 216 },
-                    {   2, 137, 192 },
-                    {   1,  86, 143 },
-                    {   1,  57,  99 },
-                    {   1,  32,  56 },
-                    {   1,  13,  24 }
-                }
-            }
-        }, { /* block Type 1 */
-            { /* Intra */
-                { /* Coeff Band 0 */
-                    { 211,  29, 217 },
-                    {  96,  47, 156 },
-                    {  22,  43,  87 }
-                }, { /* Coeff Band 1 */
-                    {  78, 120, 193 },
-                    { 111, 116, 186 },
-                    {  46, 102, 164 },
-                    {  15,  80, 128 },
-                    {   2,  49,  76 },
-                    {   1,  18,  28 }
-                }, { /* Coeff Band 2 */
-                    {  71, 161, 203 },
-                    {  42, 132, 192 },
-                    {  10,  98, 150 },
-                    {   3,  69, 109 },
-                    {   1,  44,  70 },
-                    {   1,  18,  29 }
-                }, { /* Coeff Band 3 */
-                    {  57, 186, 211 },
-                    {  30, 140, 196 },
-                    {   4,  93, 146 },
-                    {   1,  62, 102 },
-                    {   1,  38,  65 },
-                    {   1,  16,  27 }
-                }, { /* Coeff Band 4 */
-                    {  47, 199, 217 },
-                    {  14, 145, 196 },
-                    {   1,  88, 142 },
-                    {   1,  57,  98 },
-                    {   1,  36,  62 },
-                    {   1,  15,  26 }
-                }, { /* Coeff Band 5 */
-                    {  26, 219, 229 },
-                    {   5, 155, 207 },
-                    {   1,  94, 151 },
-                    {   1,  60, 104 },
-                    {   1,  36,  62 },
-                    {   1,  16,  28 }
-                }
-            }, { /* Inter */
-                { /* Coeff Band 0 */
-                    { 233,  29, 248 },
-                    { 146,  47, 220 },
-                    {  43,  52, 140 }
-                }, { /* Coeff Band 1 */
-                    { 100, 163, 232 },
-                    { 179, 161, 222 },
-                    {  63, 142, 204 },
-                    {  37, 113, 174 },
-                    {  26,  89, 137 },
-                    {  18,  68,  97 }
-                }, { /* Coeff Band 2 */
-                    {  85, 181, 230 },
-                    {  32, 146, 209 },
-                    {   7, 100, 164 },
-                    {   3,  71, 121 },
-                    {   1,  45,  77 },
-                    {   1,  18,  30 }
-                }, { /* Coeff Band 3 */
-                    {  65, 187, 230 },
-                    {  20, 148, 207 },
-                    {   2,  97, 159 },
-                    {   1,  68, 116 },
-                    {   1,  40,  70 },
-                    {   1,  14,  29 }
-                }, { /* Coeff Band 4 */
-                    {  40, 194, 227 },
-                    {   8, 147, 204 },
-                    {   1,  94, 155 },
-                    {   1,  65, 112 },
-                    {   1,  39,  66 },
-                    {   1,  14,  26 }
-                }, { /* Coeff Band 5 */
-                    {  16, 208, 228 },
-                    {   3, 151, 207 },
-                    {   1,  98, 160 },
-                    {   1,  67, 117 },
-                    {   1,  41,  74 },
-                    {   1,  17,  31 }
-                }
-            }
-        }
-    }, { /* tx = 32x32 */
-        { /* block Type 0 */
-            { /* Intra */
-                { /* Coeff Band 0 */
-                    {  17,  38, 140 },
-                    {   7,  34,  80 },
-                    {   1,  17,  29 }
-                }, { /* Coeff Band 1 */
-                    {  37,  75, 128 },
-                    {  41,  76, 128 },
-                    {  26,  66, 116 },
-                    {  12,  52,  94 },
-                    {   2,  32,  55 },
-                    {   1,  10,  16 }
-                }, { /* Coeff Band 2 */
-                    {  50, 127, 154 },
-                    {  37, 109, 152 },
-                    {  16,  82, 121 },
-                    {   5,  59,  85 },
-                    {   1,  35,  54 },
-                    {   1,  13,  20 }
-                }, { /* Coeff Band 3 */
-                    {  40, 142, 167 },
-                    {  17, 110, 157 },
-                    {   2,  71, 112 },
-                    {   1,  44,  72 },
-                    {   1,  27,  45 },
-                    {   1,  11,  17 }
-                }, { /* Coeff Band 4 */
-                    {  30, 175, 188 },
-                    {   9, 124, 169 },
-                    {   1,  74, 116 },
-                    {   1,  48,  78 },
-                    {   1,  30,  49 },
-                    {   1,  11,  18 }
-                }, { /* Coeff Band 5 */
-                    {  10, 222, 223 },
-                    {   2, 150, 194 },
-                    {   1,  83, 128 },
-                    {   1,  48,  79 },
-                    {   1,  27,  45 },
-                    {   1,  11,  17 }
-                }
-            }, { /* Inter */
-                { /* Coeff Band 0 */
-                    {  36,  41, 235 },
-                    {  29,  36, 193 },
-                    {  10,  27, 111 }
-                }, { /* Coeff Band 1 */
-                    {  85, 165, 222 },
-                    { 177, 162, 215 },
-                    { 110, 135, 195 },
-                    {  57, 113, 168 },
-                    {  23,  83, 120 },
-                    {  10,  49,  61 }
-                }, { /* Coeff Band 2 */
-                    {  85, 190, 223 },
-                    {  36, 139, 200 },
-                    {   5,  90, 146 },
-                    {   1,  60, 103 },
-                    {   1,  38,  65 },
-                    {   1,  18,  30 }
-                }, { /* Coeff Band 3 */
-                    {  72, 202, 223 },
-                    {  23, 141, 199 },
-                    {   2,  86, 140 },
-                    {   1,  56,  97 },
-                    {   1,  36,  61 },
-                    {   1,  16,  27 }
-                }, { /* Coeff Band 4 */
-                    {  55, 218, 225 },
-                    {  13, 145, 200 },
-                    {   1,  86, 141 },
-                    {   1,  57,  99 },
-                    {   1,  35,  61 },
-                    {   1,  13,  22 }
-                }, { /* Coeff Band 5 */
-                    {  15, 235, 212 },
-                    {   1, 132, 184 },
-                    {   1,  84, 139 },
-                    {   1,  57,  97 },
-                    {   1,  34,  56 },
-                    {   1,  14,  23 }
-                }
-            }
-        }, { /* block Type 1 */
-            { /* Intra */
-                { /* Coeff Band 0 */
-                    { 181,  21, 201 },
-                    {  61,  37, 123 },
-                    {  10,  38,  71 }
-                }, { /* Coeff Band 1 */
-                    {  47, 106, 172 },
-                    {  95, 104, 173 },
-                    {  42,  93, 159 },
-                    {  18,  77, 131 },
-                    {   4,  50,  81 },
-                    {   1,  17,  23 }
-                }, { /* Coeff Band 2 */
-                    {  62, 147, 199 },
-                    {  44, 130, 189 },
-                    {  28, 102, 154 },
-                    {  18,  75, 115 },
-                    {   2,  44,  65 },
-                    {   1,  12,  19 }
-                }, { /* Coeff Band 3 */
-                    {  55, 153, 210 },
-                    {  24, 130, 194 },
-                    {   3,  93, 146 },
-                    {   1,  61,  97 },
-                    {   1,  31,  50 },
-                    {   1,  10,  16 }
-                }, { /* Coeff Band 4 */
-                    {  49, 186, 223 },
-                    {  17, 148, 204 },
-                    {   1,  96, 142 },
-                    {   1,  53,  83 },
-                    {   1,  26,  44 },
-                    {   1,  11,  17 }
-                }, { /* Coeff Band 5 */
-                    {  13, 217, 212 },
-                    {   2, 136, 180 },
-                    {   1,  78, 124 },
-                    {   1,  50,  83 },
-                    {   1,  29,  49 },
-                    {   1,  14,  23 }
-                }
-            }, { /* Inter */
-                { /* Coeff Band 0 */
-                    { 197,  13, 247 },
-                    {  82,  17, 222 },
-                    {  25,  17, 162 }
-                }, { /* Coeff Band 1 */
-                    { 126, 186, 247 },
-                    { 234, 191, 243 },
-                    { 176, 177, 234 },
-                    { 104, 158, 220 },
-                    {  66, 128, 186 },
-                    {  55,  90, 137 }
-                }, { /* Coeff Band 2 */
-                    { 111, 197, 242 },
-                    {  46, 158, 219 },
-                    {   9, 104, 171 },
-                    {   2,  65, 125 },
-                    {   1,  44,  80 },
-                    {   1,  17,  91 }
-                }, { /* Coeff Band 3 */
-                    { 104, 208, 245 },
-                    {  39, 168, 224 },
-                    {   3, 109, 162 },
-                    {   1,  79, 124 },
-                    {   1,  50, 102 },
-                    {   1,  43, 102 }
-                }, { /* Coeff Band 4 */
-                    {  84, 220, 246 },
-                    {  31, 177, 231 },
-                    {   2, 115, 180 },
-                    {   1,  79, 134 },
-                    {   1,  55,  77 },
-                    {   1,  60,  79 }
-                }, { /* Coeff Band 5 */
-                    {  43, 243, 240 },
-                    {   8, 180, 217 },
-                    {   1, 115, 166 },
-                    {   1,  84, 121 },
-                    {   1,  51,  67 },
-                    {   1,  16,   6 }
-                }
-            }
-        }
-    }
-};
-
-enum MVJoint {
-    MV_JOINT_ZERO,
-    MV_JOINT_H,
-    MV_JOINT_V,
-    MV_JOINT_HV,
-};
-
-static const int8_t vp9_mv_joint_tree[3][2] = {
-    { -MV_JOINT_ZERO, 1 },           // '0'
-     { -MV_JOINT_H, 2 },             // '10'
-      { -MV_JOINT_V, -MV_JOINT_HV }, // '11x'
-};
-
-static const int8_t vp9_mv_class_tree[10][2] = {
-    { -0, 1 },         // '0'
-     { -1, 2 },        // '10'
-      { 3, 4 },
-       { -2, -3 },     // '110x'
-       { 5, 6 },
-        { -4, -5 },    // '1110x'
-        { -6, 7 },     // '11110'
-         { 8, 9 },
-          { -7, -8 },  // '111110x'
-          { -9, -10 }, // '111111x'
-};
-
-static const int8_t vp9_mv_fp_tree[3][2] = {
-    { -0, 1 },    // '0'
-     { -1, 2 },   // '10'
-      { -2, -3 }, // '11x'
-};
+#include "vp9dec.h"
+
+extern const uint8_t ff_vp9_bwh_tab[2][N_BS_SIZES][2];
+extern const int8_t ff_vp9_partition_tree[3][2];
+extern const uint8_t ff_vp9_default_kf_partition_probs[4][4][3];
+extern const int8_t ff_vp9_segmentation_tree[7][2];
+extern const int8_t ff_vp9_intramode_tree[9][2];
+extern const uint8_t ff_vp9_default_kf_ymode_probs[10][10][9];
+extern const uint8_t ff_vp9_default_kf_uvmode_probs[10][9];
+extern const int8_t ff_vp9_inter_mode_tree[3][2];
+extern const int8_t ff_vp9_filter_tree[2][2];
+extern const enum FilterMode ff_vp9_filter_lut[3];
+extern const int16_t ff_vp9_dc_qlookup[3][256];
+extern const int16_t ff_vp9_ac_qlookup[3][256];
+extern const enum TxfmType ff_vp9_intra_txfm_type[14];
+extern const int16_t ff_vp9_default_scan_4x4[16];
+extern const int16_t ff_vp9_col_scan_4x4[16];
+extern const int16_t ff_vp9_row_scan_4x4[16];
+extern const int16_t ff_vp9_default_scan_8x8[64];
+extern const int16_t ff_vp9_col_scan_8x8[64];
+extern const int16_t ff_vp9_row_scan_8x8[64];
+extern const int16_t ff_vp9_default_scan_16x16[256];
+extern const int16_t ff_vp9_col_scan_16x16[256];
+extern const int16_t ff_vp9_row_scan_16x16[256];
+extern const int16_t ff_vp9_default_scan_32x32[1024];
+extern const int16_t * const ff_vp9_scans[5][4];
+extern const int16_t ff_vp9_default_scan_4x4_nb[16][2];
+extern const int16_t ff_vp9_col_scan_4x4_nb[16][2];
+extern const int16_t ff_vp9_row_scan_4x4_nb[16][2];
+extern const int16_t ff_vp9_default_scan_8x8_nb[64][2];
+extern const int16_t ff_vp9_col_scan_8x8_nb[64][2];
+extern const int16_t ff_vp9_row_scan_8x8_nb[64][2];
+extern const int16_t ff_vp9_default_scan_16x16_nb[256][2];
+extern const int16_t ff_vp9_col_scan_16x16_nb[256][2];
+extern const int16_t ff_vp9_row_scan_16x16_nb[256][2];
+extern const int16_t ff_vp9_default_scan_32x32_nb[1024][2];
+extern const int16_t (* const ff_vp9_scans_nb[5][4])[2];
+extern const uint8_t ff_vp9_model_pareto8[256][8];
+extern const ProbContext ff_vp9_default_probs;
+extern const uint8_t ff_vp9_default_coef_probs[4][2][2][6][6][3];
+extern const int8_t ff_vp9_mv_joint_tree[3][2];
+extern const int8_t ff_vp9_mv_class_tree[10][2];
+extern const int8_t ff_vp9_mv_fp_tree[3][2];
 
 #endif /* AVCODEC_VP9DATA_H */
diff --git a/media/ffvpx/libavcodec/vp9dec.h b/media/ffvpx/libavcodec/vp9dec.h
new file mode 100644
index 000000000..66573edc7
--- /dev/null
+++ b/media/ffvpx/libavcodec/vp9dec.h
@@ -0,0 +1,240 @@
+/*
+ * VP9 compatible video decoder
+ *
+ * Copyright (C) 2013 Ronald S. Bultje <rsbultje gmail com>
+ * Copyright (C) 2013 Clément Bœsch <u pkh me>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef AVCODEC_VP9DEC_H
+#define AVCODEC_VP9DEC_H
+
+#include <stddef.h>
+#include <stdint.h>
+#include <stdatomic.h>
+
+#include "libavutil/buffer.h"
+#include "libavutil/thread.h"
+#include "libavutil/internal.h"
+
+#include "vp9.h"
+#include "vp9dsp.h"
+#include "vp9shared.h"
+
+enum MVJoint {
+    MV_JOINT_ZERO,
+    MV_JOINT_H,
+    MV_JOINT_V,
+    MV_JOINT_HV,
+};
+
+typedef struct ProbContext {
+    uint8_t y_mode[4][9];
+    uint8_t uv_mode[10][9];
+    uint8_t filter[4][2];
+    uint8_t mv_mode[7][3];
+    uint8_t intra[4];
+    uint8_t comp[5];
+    uint8_t single_ref[5][2];
+    uint8_t comp_ref[5];
+    uint8_t tx32p[2][3];
+    uint8_t tx16p[2][2];
+    uint8_t tx8p[2];
+    uint8_t skip[3];
+    uint8_t mv_joint[3];
+    struct {
+        uint8_t sign;
+        uint8_t classes[10];
+        uint8_t class0;
+        uint8_t bits[10];
+        uint8_t class0_fp[2][3];
+        uint8_t fp[3];
+        uint8_t class0_hp;
+        uint8_t hp;
+    } mv_comp[2];
+    uint8_t partition[4][4][3];
+} ProbContext;
+
+typedef struct VP9Filter {
+    uint8_t level[8 * 8];
+    uint8_t /* bit=col */ mask[2 /* 0=y, 1=uv */][2 /* 0=col, 1=row */]
+                              [8 /* rows */][4 /* 0=16, 1=8, 2=4, 3=inner4 */];
+} VP9Filter;
+
+typedef struct VP9Block {
+    uint8_t seg_id, intra, comp, ref[2], mode[4], uvmode, skip;
+    enum FilterMode filter;
+    VP56mv mv[4 /* b_idx */][2 /* ref */];
+    enum BlockSize bs;
+    enum TxfmMode tx, uvtx;
+    enum BlockLevel bl;
+    enum BlockPartition bp;
+} VP9Block;
+
+typedef struct VP9TileData VP9TileData;
+
+typedef struct VP9Context {
+    VP9SharedContext s;
+    VP9TileData *td;
+
+    VP9DSPContext dsp;
+    VideoDSPContext vdsp;
+    GetBitContext gb;
+    VP56RangeCoder c;
+    int pass, active_tile_cols;
+
+#if HAVE_THREADS
+    pthread_mutex_t progress_mutex;
+    pthread_cond_t progress_cond;
+    atomic_int *entries;
+#endif
+
+    uint8_t ss_h, ss_v;
+    uint8_t last_bpp, bpp_index, bytesperpixel;
+    uint8_t last_keyframe;
+    // sb_cols/rows, rows/cols and last_fmt are used for allocating all internal
+    // arrays, and are thus per-thread. w/h and gf_fmt are synced between threads
+    // and are therefore per-stream. pix_fmt represents the value in the header
+    // of the currently processed frame.
+    int w, h;
+    enum AVPixelFormat pix_fmt, last_fmt, gf_fmt;
+    unsigned sb_cols, sb_rows, rows, cols;
+    ThreadFrame next_refs[8];
+
+    struct {
+        uint8_t lim_lut[64];
+        uint8_t mblim_lut[64];
+    } filter_lut;
+    struct {
+        ProbContext p;
+        uint8_t coef[4][2][2][6][6][3];
+    } prob_ctx[4];
+    struct {
+        ProbContext p;
+        uint8_t coef[4][2][2][6][6][11];
+    } prob;
+
+    // contextual (above) cache
+    uint8_t *above_partition_ctx;
+    uint8_t *above_mode_ctx;
+    // FIXME maybe merge some of the below in a flags field?
+    uint8_t *above_y_nnz_ctx;
+    uint8_t *above_uv_nnz_ctx[2];
+    uint8_t *above_skip_ctx; // 1bit
+    uint8_t *above_txfm_ctx; // 2bit
+    uint8_t *above_segpred_ctx; // 1bit
+    uint8_t *above_intra_ctx; // 1bit
+    uint8_t *above_comp_ctx; // 1bit
+    uint8_t *above_ref_ctx; // 2bit
+    uint8_t *above_filter_ctx;
+    VP56mv (*above_mv_ctx)[2];
+
+    // whole-frame cache
+    uint8_t *intra_pred_data[3];
+    VP9Filter *lflvl;
+
+    // block reconstruction intermediates
+    int block_alloc_using_2pass;
+    uint16_t mvscale[3][2];
+    uint8_t mvstep[3][2];
+} VP9Context;
+
+struct VP9TileData {
+    //VP9Context should be const, but because of the threading API(generates
+    //a lot of warnings) it's not.
+    VP9Context *s;
+    VP56RangeCoder *c_b;
+    VP56RangeCoder *c;
+    int row, row7, col, col7;
+    uint8_t *dst[3];
+    ptrdiff_t y_stride, uv_stride;
+    VP9Block *b_base, *b;
+    unsigned tile_col_start;
+
+    struct {
+        unsigned y_mode[4][10];
+        unsigned uv_mode[10][10];
+        unsigned filter[4][3];
+        unsigned mv_mode[7][4];
+        unsigned intra[4][2];
+        unsigned comp[5][2];
+        unsigned single_ref[5][2][2];
+        unsigned comp_ref[5][2];
+        unsigned tx32p[2][4];
+        unsigned tx16p[2][3];
+        unsigned tx8p[2][2];
+        unsigned skip[3][2];
+        unsigned mv_joint[4];
+        struct {
+            unsigned sign[2];
+            unsigned classes[11];
+            unsigned class0[2];
+            unsigned bits[10][2];
+            unsigned class0_fp[2][4];
+            unsigned fp[4];
+            unsigned class0_hp[2];
+            unsigned hp[2];
+        } mv_comp[2];
+        unsigned partition[4][4][4];
+        unsigned coef[4][2][2][6][6][3];
+        unsigned eob[4][2][2][6][6][2];
+    } counts;
+
+    // whole-frame cache
+    DECLARE_ALIGNED(32, uint8_t, edge_emu_buffer)[135 * 144 * 2];
+
+    // contextual (left) cache
+    DECLARE_ALIGNED(16, uint8_t, left_y_nnz_ctx)[16];
+    DECLARE_ALIGNED(16, uint8_t, left_mode_ctx)[16];
+    DECLARE_ALIGNED(16, VP56mv, left_mv_ctx)[16][2];
+    DECLARE_ALIGNED(16, uint8_t, left_uv_nnz_ctx)[2][16];
+    DECLARE_ALIGNED(8, uint8_t, left_partition_ctx)[8];
+    DECLARE_ALIGNED(8, uint8_t, left_skip_ctx)[8];
+    DECLARE_ALIGNED(8, uint8_t, left_txfm_ctx)[8];
+    DECLARE_ALIGNED(8, uint8_t, left_segpred_ctx)[8];
+    DECLARE_ALIGNED(8, uint8_t, left_intra_ctx)[8];
+    DECLARE_ALIGNED(8, uint8_t, left_comp_ctx)[8];
+    DECLARE_ALIGNED(8, uint8_t, left_ref_ctx)[8];
+    DECLARE_ALIGNED(8, uint8_t, left_filter_ctx)[8];
+    // block reconstruction intermediates
+    DECLARE_ALIGNED(32, uint8_t, tmp_y)[64 * 64 * 2];
+    DECLARE_ALIGNED(32, uint8_t, tmp_uv)[2][64 * 64 * 2];
+    struct { int x, y; } min_mv, max_mv;
+    int16_t *block_base, *block, *uvblock_base[2], *uvblock[2];
+    uint8_t *eob_base, *uveob_base[2], *eob, *uveob[2];
+};
+
+void ff_vp9_fill_mv(VP9TileData *td, VP56mv *mv, int mode, int sb);
+
+void ff_vp9_adapt_probs(VP9Context *s);
+
+void ff_vp9_decode_block(VP9TileData *td, int row, int col,
+                         VP9Filter *lflvl, ptrdiff_t yoff, ptrdiff_t uvoff,
+                         enum BlockLevel bl, enum BlockPartition bp);
+
+void ff_vp9_loopfilter_sb(AVCodecContext *avctx, VP9Filter *lflvl,
+                          int row, int col, ptrdiff_t yoff, ptrdiff_t uvoff);
+
+void ff_vp9_intra_recon_8bpp(VP9TileData *td,
+                             ptrdiff_t y_off, ptrdiff_t uv_off);
+void ff_vp9_intra_recon_16bpp(VP9TileData *td,
+                              ptrdiff_t y_off, ptrdiff_t uv_off);
+void ff_vp9_inter_recon_8bpp(VP9TileData *td);
+void ff_vp9_inter_recon_16bpp(VP9TileData *td);
+
+#endif /* AVCODEC_VP9DEC_H */
diff --git a/media/ffvpx/libavcodec/vp9dsp.c b/media/ffvpx/libavcodec/vp9dsp.c
index 54e77e267..f6d73f73c 100644
--- a/media/ffvpx/libavcodec/vp9dsp.c
+++ b/media/ffvpx/libavcodec/vp9dsp.c
@@ -25,6 +25,62 @@
 #include "libavutil/common.h"
 #include "vp9dsp.h"
 
+const DECLARE_ALIGNED(16, int16_t, ff_vp9_subpel_filters)[3][16][8] = {
+    [FILTER_8TAP_REGULAR] = {
+        {  0,  0,   0, 128,   0,   0,  0,  0 },
+        {  0,  1,  -5, 126,   8,  -3,  1,  0 },
+        { -1,  3, -10, 122,  18,  -6,  2,  0 },
+        { -1,  4, -13, 118,  27,  -9,  3, -1 },
+        { -1,  4, -16, 112,  37, -11,  4, -1 },
+        { -1,  5, -18, 105,  48, -14,  4, -1 },
+        { -1,  5, -19,  97,  58, -16,  5, -1 },
+        { -1,  6, -19,  88,  68, -18,  5, -1 },
+        { -1,  6, -19,  78,  78, -19,  6, -1 },
+        { -1,  5, -18,  68,  88, -19,  6, -1 },
+        { -1,  5, -16,  58,  97, -19,  5, -1 },
+        { -1,  4, -14,  48, 105, -18,  5, -1 },
+        { -1,  4, -11,  37, 112, -16,  4, -1 },
+        { -1,  3,  -9,  27, 118, -13,  4, -1 },
+        {  0,  2,  -6,  18, 122, -10,  3, -1 },
+        {  0,  1,  -3,   8, 126,  -5,  1,  0 },
+    }, [FILTER_8TAP_SHARP] = {
+        {  0,  0,   0, 128,   0,   0,  0,  0 },
+        { -1,  3,  -7, 127,   8,  -3,  1,  0 },
+        { -2,  5, -13, 125,  17,  -6,  3, -1 },
+        { -3,  7, -17, 121,  27, -10,  5, -2 },
+        { -4,  9, -20, 115,  37, -13,  6, -2 },
+        { -4, 10, -23, 108,  48, -16,  8, -3 },
+        { -4, 10, -24, 100,  59, -19,  9, -3 },
+        { -4, 11, -24,  90,  70, -21, 10, -4 },
+        { -4, 11, -23,  80,  80, -23, 11, -4 },
+        { -4, 10, -21,  70,  90, -24, 11, -4 },
+        { -3,  9, -19,  59, 100, -24, 10, -4 },
+        { -3,  8, -16,  48, 108, -23, 10, -4 },
+        { -2,  6, -13,  37, 115, -20,  9, -4 },
+        { -2,  5, -10,  27, 121, -17,  7, -3 },
+        { -1,  3,  -6,  17, 125, -13,  5, -2 },
+        {  0,  1,  -3,   8, 127,  -7,  3, -1 },
+    }, [FILTER_8TAP_SMOOTH] = {
+        {  0,  0,   0, 128,   0,   0,  0,  0 },
+        { -3, -1,  32,  64,  38,   1, -3,  0 },
+        { -2, -2,  29,  63,  41,   2, -3,  0 },
+        { -2, -2,  26,  63,  43,   4, -4,  0 },
+        { -2, -3,  24,  62,  46,   5, -4,  0 },
+        { -2, -3,  21,  60,  49,   7, -4,  0 },
+        { -1, -4,  18,  59,  51,   9, -4,  0 },
+        { -1, -4,  16,  57,  53,  12, -4, -1 },
+        { -1, -4,  14,  55,  55,  14, -4, -1 },
+        { -1, -4,  12,  53,  57,  16, -4, -1 },
+        {  0, -4,   9,  51,  59,  18, -4, -1 },
+        {  0, -4,   7,  49,  60,  21, -3, -2 },
+        {  0, -4,   5,  46,  62,  24, -3, -2 },
+        {  0, -4,   4,  43,  63,  26, -2, -2 },
+        {  0, -3,   2,  41,  63,  29, -2, -2 },
+        {  0, -3,   1,  38,  64,  32, -1, -3 },
+    }
+};
+
+
 av_cold void ff_vp9dsp_init(VP9DSPContext *dsp, int bpp, int bitexact)
 {
     if (bpp == 8) {
@@ -36,6 +92,8 @@ av_cold void ff_vp9dsp_init(VP9DSPContext *dsp, int bpp, int bitexact)
         ff_vp9dsp_init_12(dsp);
     }
 
+    if (ARCH_AARCH64) ff_vp9dsp_init_aarch64(dsp, bpp);
+    if (ARCH_ARM) ff_vp9dsp_init_arm(dsp, bpp);
     if (ARCH_X86) ff_vp9dsp_init_x86(dsp, bpp, bitexact);
     if (ARCH_MIPS) ff_vp9dsp_init_mips(dsp, bpp);
 }
diff --git a/media/ffvpx/libavcodec/vp9dsp.h b/media/ffvpx/libavcodec/vp9dsp.h
index 733f5bfc4..e2256316a 100644
--- a/media/ffvpx/libavcodec/vp9dsp.h
+++ b/media/ffvpx/libavcodec/vp9dsp.h
@@ -27,7 +27,7 @@
 #include <stddef.h>
 #include <stdint.h>
 
-#include "vp9.h"
+#include "libavcodec/vp9.h"
 
 typedef void (*vp9_mc_func)(uint8_t *dst, ptrdiff_t dst_stride,
                             const uint8_t *ref, ptrdiff_t ref_stride,
@@ -111,21 +111,25 @@ typedef struct VP9DSPContext {
      *
      * dst/stride are aligned by hsize
      */
-    vp9_mc_func mc[5][4][2][2][2];
+    vp9_mc_func mc[5][N_FILTERS][2][2][2];
 
     /*
      * for scalable MC, first 3 dimensions identical to above, the other two
      * don't exist since it changes per stepsize.
      */
-    vp9_scaled_mc_func smc[5][4][2];
+    vp9_scaled_mc_func smc[5][N_FILTERS][2];
 } VP9DSPContext;
 
+extern const int16_t ff_vp9_subpel_filters[3][16][8];
+
 void ff_vp9dsp_init(VP9DSPContext *dsp, int bpp, int bitexact);
 
 void ff_vp9dsp_init_8(VP9DSPContext *dsp);
 void ff_vp9dsp_init_10(VP9DSPContext *dsp);
 void ff_vp9dsp_init_12(VP9DSPContext *dsp);
 
+void ff_vp9dsp_init_aarch64(VP9DSPContext *dsp, int bpp);
+void ff_vp9dsp_init_arm(VP9DSPContext *dsp, int bpp);
 void ff_vp9dsp_init_x86(VP9DSPContext *dsp, int bpp, int bitexact);
 void ff_vp9dsp_init_mips(VP9DSPContext *dsp, int bpp);
 
diff --git a/media/ffvpx/libavcodec/vp9dsp_template.c b/media/ffvpx/libavcodec/vp9dsp_template.c
index 4d810fec3..bb54561a6 100644
--- a/media/ffvpx/libavcodec/vp9dsp_template.c
+++ b/media/ffvpx/libavcodec/vp9dsp_template.c
@@ -1991,61 +1991,6 @@ copy_avg_fn(4)
 
 #endif /* BIT_DEPTH != 12 */
 
-static const int16_t vp9_subpel_filters[3][16][8] = {
-    [FILTER_8TAP_REGULAR] = {
-        {  0,  0,   0, 128,   0,   0,  0,  0 },
-        {  0,  1,  -5, 126,   8,  -3,  1,  0 },
-        { -1,  3, -10, 122,  18,  -6,  2,  0 },
-        { -1,  4, -13, 118,  27,  -9,  3, -1 },
-        { -1,  4, -16, 112,  37, -11,  4, -1 },
-        { -1,  5, -18, 105,  48, -14,  4, -1 },
-        { -1,  5, -19,  97,  58, -16,  5, -1 },
-        { -1,  6, -19,  88,  68, -18,  5, -1 },
-        { -1,  6, -19,  78,  78, -19,  6, -1 },
-        { -1,  5, -18,  68,  88, -19,  6, -1 },
-        { -1,  5, -16,  58,  97, -19,  5, -1 },
-        { -1,  4, -14,  48, 105, -18,  5, -1 },
-        { -1,  4, -11,  37, 112, -16,  4, -1 },
-        { -1,  3,  -9,  27, 118, -13,  4, -1 },
-        {  0,  2,  -6,  18, 122, -10,  3, -1 },
-        {  0,  1,  -3,   8, 126,  -5,  1,  0 },
-    }, [FILTER_8TAP_SHARP] = {
-        {  0,  0,   0, 128,   0,   0,  0,  0 },
-        { -1,  3,  -7, 127,   8,  -3,  1,  0 },
-        { -2,  5, -13, 125,  17,  -6,  3, -1 },
-        { -3,  7, -17, 121,  27, -10,  5, -2 },
-        { -4,  9, -20, 115,  37, -13,  6, -2 },
-        { -4, 10, -23, 108,  48, -16,  8, -3 },
-        { -4, 10, -24, 100,  59, -19,  9, -3 },
-        { -4, 11, -24,  90,  70, -21, 10, -4 },
-        { -4, 11, -23,  80,  80, -23, 11, -4 },
-        { -4, 10, -21,  70,  90, -24, 11, -4 },
-        { -3,  9, -19,  59, 100, -24, 10, -4 },
-        { -3,  8, -16,  48, 108, -23, 10, -4 },
-        { -2,  6, -13,  37, 115, -20,  9, -4 },
-        { -2,  5, -10,  27, 121, -17,  7, -3 },
-        { -1,  3,  -6,  17, 125, -13,  5, -2 },
-        {  0,  1,  -3,   8, 127,  -7,  3, -1 },
-    }, [FILTER_8TAP_SMOOTH] = {
-        {  0,  0,   0, 128,   0,   0,  0,  0 },
-        { -3, -1,  32,  64,  38,   1, -3,  0 },
-        { -2, -2,  29,  63,  41,   2, -3,  0 },
-        { -2, -2,  26,  63,  43,   4, -4,  0 },
-        { -2, -3,  24,  62,  46,   5, -4,  0 },
-        { -2, -3,  21,  60,  49,   7, -4,  0 },
-        { -1, -4,  18,  59,  51,   9, -4,  0 },
-        { -1, -4,  16,  57,  53,  12, -4, -1 },
-        { -1, -4,  14,  55,  55,  14, -4, -1 },
-        { -1, -4,  12,  53,  57,  16, -4, -1 },
-        {  0, -4,   9,  51,  59,  18, -4, -1 },
-        {  0, -4,   7,  49,  60,  21, -3, -2 },
-        {  0, -4,   5,  46,  62,  24, -3, -2 },
-        {  0, -4,   4,  43,  63,  26, -2, -2 },
-        {  0, -3,   2,  41,  63,  29, -2, -2 },
-        {  0, -3,   1,  38,  64,  32, -1, -3 },
-    }
-};
-
 #define FILTER_8TAP(src, x, F, stride) \
     av_clip_pixel((F[0] * src[x + -3 * stride] + \
                    F[1] * src[x + -2 * stride] + \
@@ -2155,7 +2100,7 @@ static void avg##_8tap_##type##_##sz##dir##_c(uint8_t *dst, ptrdiff_t dst_stride
                                               int h, int mx, int my) \
 { \
     avg##_8tap_1d_##dir##_c(dst, dst_stride, src, src_stride, sz, h, \
-                            vp9_subpel_filters[type_idx][dir_m]); \
+                            ff_vp9_subpel_filters[type_idx][dir_m]); \
 }
 
 #define filter_fn_2d(sz, type, type_idx, avg) \
@@ -2164,8 +2109,8 @@ static void avg##_8tap_##type##_##sz##hv_c(uint8_t *dst, ptrdiff_t dst_stride, \
                                            int h, int mx, int my) \
 { \
     avg##_8tap_2d_hv_c(dst, dst_stride, src, src_stride, sz, h, \
-                       vp9_subpel_filters[type_idx][mx], \
-                       vp9_subpel_filters[type_idx][my]); \
+                       ff_vp9_subpel_filters[type_idx][mx], \
+                       ff_vp9_subpel_filters[type_idx][my]); \
 }
 
 #if BIT_DEPTH != 12
@@ -2454,7 +2399,7 @@ static void avg##_scaled_##type##_##sz##_c(uint8_t *dst, ptrdiff_t dst_stride, \
                                            int h, int mx, int my, int dx, int dy) \
 { \
     avg##_scaled_8tap_c(dst, dst_stride, src, src_stride, sz, h, mx, my, dx, dy, \
-                        vp9_subpel_filters[type_idx]); \
+                        ff_vp9_subpel_filters[type_idx]); \
 }
 
 #if BIT_DEPTH != 12
diff --git a/media/ffvpx/libavcodec/vp9lpf.c b/media/ffvpx/libavcodec/vp9lpf.c
new file mode 100644
index 000000000..414cede85
--- /dev/null
+++ b/media/ffvpx/libavcodec/vp9lpf.c
@@ -0,0 +1,202 @@
+/*
+ * VP9 compatible video decoder
+ *
+ * Copyright (C) 2013 Ronald S. Bultje <rsbultje gmail com>
+ * Copyright (C) 2013 Clément Bœsch <u pkh me>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "vp9dec.h"
+
+static av_always_inline void filter_plane_cols(VP9Context *s, int col, int ss_h, int ss_v,
+                                               uint8_t *lvl, uint8_t (*mask)[4],
+                                               uint8_t *dst, ptrdiff_t ls)
+{
+    int y, x, bytesperpixel = s->bytesperpixel;
+
+    // filter edges between columns (e.g. block1 | block2)
+    for (y = 0; y < 8; y += 2 << ss_v, dst += 16 * ls, lvl += 16 << ss_v) {
+        uint8_t *ptr = dst, *l = lvl, *hmask1 = mask[y], *hmask2 = mask[y + 1 + ss_v];
+        unsigned hm1 = hmask1[0] | hmask1[1] | hmask1[2], hm13 = hmask1[3];
+        unsigned hm2 = hmask2[1] | hmask2[2], hm23 = hmask2[3];
+        unsigned hm = hm1 | hm2 | hm13 | hm23;
+
+        for (x = 1; hm & ~(x - 1); x <<= 1, ptr += 8 * bytesperpixel >> ss_h) {
+            if (col || x > 1) {
+                if (hm1 & x) {
+                    int L = *l, H = L >> 4;
+                    int E = s->filter_lut.mblim_lut[L], I = s->filter_lut.lim_lut[L];
+
+                    if (hmask1[0] & x) {
+                        if (hmask2[0] & x) {
+                            av_assert2(l[8 << ss_v] == L);
+                            s->dsp.loop_filter_16[0](ptr, ls, E, I, H);
+                        } else {
+                            s->dsp.loop_filter_8[2][0](ptr, ls, E, I, H);
+                        }
+                    } else if (hm2 & x) {
+                        L = l[8 << ss_v];
+                        H |= (L >> 4) << 8;
+                        E |= s->filter_lut.mblim_lut[L] << 8;
+                        I |= s->filter_lut.lim_lut[L] << 8;
+                        s->dsp.loop_filter_mix2[!!(hmask1[1] & x)]
+                                               [!!(hmask2[1] & x)]
+                                               [0](ptr, ls, E, I, H);
+                    } else {
+                        s->dsp.loop_filter_8[!!(hmask1[1] & x)]
+                                            [0](ptr, ls, E, I, H);
+                    }
+                } else if (hm2 & x) {
+                    int L = l[8 << ss_v], H = L >> 4;
+                    int E = s->filter_lut.mblim_lut[L], I = s->filter_lut.lim_lut[L];
+
+                    s->dsp.loop_filter_8[!!(hmask2[1] & x)]
+                                        [0](ptr + 8 * ls, ls, E, I, H);
+                }
+            }
+            if (ss_h) {
+                if (x & 0xAA)
+                    l += 2;
+            } else {
+                if (hm13 & x) {
+                    int L = *l, H = L >> 4;
+                    int E = s->filter_lut.mblim_lut[L], I = s->filter_lut.lim_lut[L];
+
+                    if (hm23 & x) {
+                        L = l[8 << ss_v];
+                        H |= (L >> 4) << 8;
+                        E |= s->filter_lut.mblim_lut[L] << 8;
+                        I |= s->filter_lut.lim_lut[L] << 8;
+                        s->dsp.loop_filter_mix2[0][0][0](ptr + 4 * bytesperpixel, ls, E, I, H);
+                    } else {
+                        s->dsp.loop_filter_8[0][0](ptr + 4 * bytesperpixel, ls, E, I, H);
+                    }
+                } else if (hm23 & x) {
+                    int L = l[8 << ss_v], H = L >> 4;
+                    int E = s->filter_lut.mblim_lut[L], I = s->filter_lut.lim_lut[L];
+
+                    s->dsp.loop_filter_8[0][0](ptr + 8 * ls + 4 * bytesperpixel, ls, E, I, H);
+                }
+                l++;
+            }
+        }
+    }
+}
+
+static av_always_inline void filter_plane_rows(VP9Context *s, int row, int ss_h, int ss_v,
+                                               uint8_t *lvl, uint8_t (*mask)[4],
+                                               uint8_t *dst, ptrdiff_t ls)
+{
+    int y, x, bytesperpixel = s->bytesperpixel;
+
+    //                                 block1
+    // filter edges between rows (e.g. ------)
+    //                                 block2
+    for (y = 0; y < 8; y++, dst += 8 * ls >> ss_v) {
+        uint8_t *ptr = dst, *l = lvl, *vmask = mask[y];
+        unsigned vm = vmask[0] | vmask[1] | vmask[2], vm3 = vmask[3];
+
+        for (x = 1; vm & ~(x - 1); x <<= (2 << ss_h), ptr += 16 * bytesperpixel, l += 2 << ss_h) {
+            if (row || y) {
+                if (vm & x) {
+                    int L = *l, H = L >> 4;
+                    int E = s->filter_lut.mblim_lut[L], I = s->filter_lut.lim_lut[L];
+
+                    if (vmask[0] & x) {
+                        if (vmask[0] & (x << (1 + ss_h))) {
+                            av_assert2(l[1 + ss_h] == L);
+                            s->dsp.loop_filter_16[1](ptr, ls, E, I, H);
+                        } else {
+                            s->dsp.loop_filter_8[2][1](ptr, ls, E, I, H);
+                        }
+                    } else if (vm & (x << (1 + ss_h))) {
+                        L = l[1 + ss_h];
+                        H |= (L >> 4) << 8;
+                        E |= s->filter_lut.mblim_lut[L] << 8;
+                        I |= s->filter_lut.lim_lut[L] << 8;
+                        s->dsp.loop_filter_mix2[!!(vmask[1] &  x)]
+                                               [!!(vmask[1] & (x << (1 + ss_h)))]
+                                               [1](ptr, ls, E, I, H);
+                    } else {
+                        s->dsp.loop_filter_8[!!(vmask[1] & x)]
+                                            [1](ptr, ls, E, I, H);
+                    }
+                } else if (vm & (x << (1 + ss_h))) {
+                    int L = l[1 + ss_h], H = L >> 4;
+                    int E = s->filter_lut.mblim_lut[L], I = s->filter_lut.lim_lut[L];
+
+                    s->dsp.loop_filter_8[!!(vmask[1] & (x << (1 + ss_h)))]
+                                        [1](ptr + 8 * bytesperpixel, ls, E, I, H);
+                }
+            }
+            if (!ss_v) {
+                if (vm3 & x) {
+                    int L = *l, H = L >> 4;
+                    int E = s->filter_lut.mblim_lut[L], I = s->filter_lut.lim_lut[L];
+
+                    if (vm3 & (x << (1 + ss_h))) {
+                        L = l[1 + ss_h];
+                        H |= (L >> 4) << 8;
+                        E |= s->filter_lut.mblim_lut[L] << 8;
+                        I |= s->filter_lut.lim_lut[L] << 8;
+                        s->dsp.loop_filter_mix2[0][0][1](ptr + ls * 4, ls, E, I, H);
+                    } else {
+                        s->dsp.loop_filter_8[0][1](ptr + ls * 4, ls, E, I, H);
+                    }
+                } else if (vm3 & (x << (1 + ss_h))) {
+                    int L = l[1 + ss_h], H = L >> 4;
+                    int E = s->filter_lut.mblim_lut[L], I = s->filter_lut.lim_lut[L];
+
+                    s->dsp.loop_filter_8[0][1](ptr + ls * 4 + 8 * bytesperpixel, ls, E, I, H);
+                }
+            }
+        }
+        if (ss_v) {
+            if (y & 1)
+                lvl += 16;
+        } else {
+            lvl += 8;
+        }
+    }
+}
+
+void ff_vp9_loopfilter_sb(AVCodecContext *avctx, VP9Filter *lflvl,
+                          int row, int col, ptrdiff_t yoff, ptrdiff_t uvoff)
+{
+    VP9Context *s = avctx->priv_data;
+    AVFrame *f = s->s.frames[CUR_FRAME].tf.f;
+    uint8_t *dst = f->data[0] + yoff;
+    ptrdiff_t ls_y = f->linesize[0], ls_uv = f->linesize[1];
+    uint8_t (*uv_masks)[8][4] = lflvl->mask[s->ss_h | s->ss_v];
+    int p;
+
+    /* FIXME: In how far can we interleave the v/h loopfilter calls? E.g.
+     * if you think of them as acting on a 8x8 block max, we can interleave
+     * each v/h within the single x loop, but that only works if we work on
+     * 8 pixel blocks, and we won't always do that (we want at least 16px
+     * to use SSE2 optimizations, perhaps 32 for AVX2) */
+
+    filter_plane_cols(s, col, 0, 0, lflvl->level, lflvl->mask[0][0], dst, ls_y);
+    filter_plane_rows(s, row, 0, 0, lflvl->level, lflvl->mask[0][1], dst, ls_y);
+
+    for (p = 0; p < 2; p++) {
+        dst = f->data[1 + p] + uvoff;
+        filter_plane_cols(s, col, s->ss_h, s->ss_v, lflvl->level, uv_masks[0], dst, ls_uv);
+        filter_plane_rows(s, row, s->ss_h, s->ss_v, lflvl->level, uv_masks[1], dst, ls_uv);
+    }
+}
diff --git a/media/ffvpx/libavcodec/vp9mvs.c b/media/ffvpx/libavcodec/vp9mvs.c
new file mode 100644
index 000000000..88db1c341
--- /dev/null
+++ b/media/ffvpx/libavcodec/vp9mvs.c
@@ -0,0 +1,364 @@
+/*
+ * VP9 compatible video decoder
+ *
+ * Copyright (C) 2013 Ronald S. Bultje <rsbultje gmail com>
+ * Copyright (C) 2013 Clément Bœsch <u pkh me>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "internal.h"
+#include "vp56.h"
+#include "vp9.h"
+#include "vp9data.h"
+#include "vp9dec.h"
+
+static av_always_inline void clamp_mv(VP56mv *dst, const VP56mv *src,
+                                      VP9TileData *td)
+{
+    dst->x = av_clip(src->x, td->min_mv.x, td->max_mv.x);
+    dst->y = av_clip(src->y, td->min_mv.y, td->max_mv.y);
+}
+
+static void find_ref_mvs(VP9TileData *td,
+                         VP56mv *pmv, int ref, int z, int idx, int sb)
+{
+    static const int8_t mv_ref_blk_off[N_BS_SIZES][8][2] = {
+        [BS_64x64] = { {  3, -1 }, { -1,  3 }, {  4, -1 }, { -1,  4 },
+                       { -1, -1 }, {  0, -1 }, { -1,  0 }, {  6, -1 } },
+        [BS_64x32] = { {  0, -1 }, { -1,  0 }, {  4, -1 }, { -1,  2 },
+                       { -1, -1 }, {  0, -3 }, { -3,  0 }, {  2, -1 } },
+        [BS_32x64] = { { -1,  0 }, {  0, -1 }, { -1,  4 }, {  2, -1 },
+                       { -1, -1 }, { -3,  0 }, {  0, -3 }, { -1,  2 } },
+        [BS_32x32] = { {  1, -1 }, { -1,  1 }, {  2, -1 }, { -1,  2 },
+                       { -1, -1 }, {  0, -3 }, { -3,  0 }, { -3, -3 } },
+        [BS_32x16] = { {  0, -1 }, { -1,  0 }, {  2, -1 }, { -1, -1 },
+                       { -1,  1 }, {  0, -3 }, { -3,  0 }, { -3, -3 } },
+        [BS_16x32] = { { -1,  0 }, {  0, -1 }, { -1,  2 }, { -1, -1 },
+                       {  1, -1 }, { -3,  0 }, {  0, -3 }, { -3, -3 } },
+        [BS_16x16] = { {  0, -1 }, { -1,  0 }, {  1, -1 }, { -1,  1 },
+                       { -1, -1 }, {  0, -3 }, { -3,  0 }, { -3, -3 } },
+        [BS_16x8]  = { {  0, -1 }, { -1,  0 }, {  1, -1 }, { -1, -1 },
+                       {  0, -2 }, { -2,  0 }, { -2, -1 }, { -1, -2 } },
+        [BS_8x16]  = { { -1,  0 }, {  0, -1 }, { -1,  1 }, { -1, -1 },
+                       { -2,  0 }, {  0, -2 }, { -1, -2 }, { -2, -1 } },
+        [BS_8x8]   = { {  0, -1 }, { -1,  0 }, { -1, -1 }, {  0, -2 },
+                       { -2,  0 }, { -1, -2 }, { -2, -1 }, { -2, -2 } },
+        [BS_8x4]   = { {  0, -1 }, { -1,  0 }, { -1, -1 }, {  0, -2 },
+                       { -2,  0 }, { -1, -2 }, { -2, -1 }, { -2, -2 } },
+        [BS_4x8]   = { {  0, -1 }, { -1,  0 }, { -1, -1 }, {  0, -2 },
+                       { -2,  0 }, { -1, -2 }, { -2, -1 }, { -2, -2 } },
+        [BS_4x4]   = { {  0, -1 }, { -1,  0 }, { -1, -1 }, {  0, -2 },
+                       { -2,  0 }, { -1, -2 }, { -2, -1 }, { -2, -2 } },
+    };
+    VP9Context *s = td->s;
+    VP9Block *b = td->b;
+    int row = td->row, col = td->col, row7 = td->row7;
+    const int8_t (*p)[2] = mv_ref_blk_off[b->bs];
+#define INVALID_MV 0x80008000U
+    uint32_t mem = INVALID_MV, mem_sub8x8 = INVALID_MV;
+    int i;
+
+#define RETURN_DIRECT_MV(mv)                    \
+    do {                                        \
+        uint32_t m = AV_RN32A(&mv);             \
+        if (!idx) {                             \
+            AV_WN32A(pmv, m);                   \
+            return;                             \
+        } else if (mem == INVALID_MV) {         \
+            mem = m;                            \
+        } else if (m != mem) {                  \
+            AV_WN32A(pmv, m);                   \
+            return;                             \
+        }                                       \
+    } while (0)
+
+    if (sb >= 0) {
+        if (sb == 2 || sb == 1) {
+            RETURN_DIRECT_MV(b->mv[0][z]);
+        } else if (sb == 3) {
+            RETURN_DIRECT_MV(b->mv[2][z]);
+            RETURN_DIRECT_MV(b->mv[1][z]);
+            RETURN_DIRECT_MV(b->mv[0][z]);
+        }
+
+#define RETURN_MV(mv)                                                  \
+    do {                                                               \
+        if (sb > 0) {                                                  \
+            VP56mv tmp;                                                \
+            uint32_t m;                                                \
+            av_assert2(idx == 1);                                      \
+            av_assert2(mem != INVALID_MV);                             \
+            if (mem_sub8x8 == INVALID_MV) {                            \
+                clamp_mv(&tmp, &mv, td);                               \
+                m = AV_RN32A(&tmp);                                    \
+                if (m != mem) {                                        \
+                    AV_WN32A(pmv, m);                                  \
+                    return;                                            \
+                }                                                      \
+                mem_sub8x8 = AV_RN32A(&mv);                            \
+            } else if (mem_sub8x8 != AV_RN32A(&mv)) {                  \
+                clamp_mv(&tmp, &mv, td);                               \
+                m = AV_RN32A(&tmp);                                    \
+                if (m != mem) {                                        \
+                    AV_WN32A(pmv, m);                                  \
+                } else {                                               \
+                    /* BUG I'm pretty sure this isn't the intention */ \
+                    AV_WN32A(pmv, 0);                                  \
+                }                                                      \
+                return;                                                \
+            }                                                          \
+        } else {                                                       \
+            uint32_t m = AV_RN32A(&mv);                                \
+            if (!idx) {                                                \
+                clamp_mv(pmv, &mv, td);                                \
+                return;                                                \
+            } else if (mem == INVALID_MV) {                            \
+                mem = m;                                               \
+            } else if (m != mem) {                                     \
+                clamp_mv(pmv, &mv, td);                                \
+                return;                                                \
+            }                                                          \
+        }                                                              \
+    } while (0)
+
+        if (row > 0) {
+            VP9mvrefPair *mv = &s->s.frames[CUR_FRAME].mv[(row - 1) * s->sb_cols * 8 + col];
+            if (mv->ref[0] == ref)
+                RETURN_MV(s->above_mv_ctx[2 * col + (sb & 1)][0]);
+            else if (mv->ref[1] == ref)
+                RETURN_MV(s->above_mv_ctx[2 * col + (sb & 1)][1]);
+        }
+        if (col > td->tile_col_start) {
+            VP9mvrefPair *mv = &s->s.frames[CUR_FRAME].mv[row * s->sb_cols * 8 + col - 1];
+            if (mv->ref[0] == ref)
+                RETURN_MV(td->left_mv_ctx[2 * row7 + (sb >> 1)][0]);
+            else if (mv->ref[1] == ref)
+                RETURN_MV(td->left_mv_ctx[2 * row7 + (sb >> 1)][1]);
+        }
+        i = 2;
+    } else {
+        i = 0;
+    }
+
+    // previously coded MVs in this neighborhood, using same reference frame
+    for (; i < 8; i++) {
+        int c = p[i][0] + col, r = p[i][1] + row;
+
+        if (c >= td->tile_col_start && c < s->cols &&
+            r >= 0 && r < s->rows) {
+            VP9mvrefPair *mv = &s->s.frames[CUR_FRAME].mv[r * s->sb_cols * 8 + c];
+
+            if (mv->ref[0] == ref)
+                RETURN_MV(mv->mv[0]);
+            else if (mv->ref[1] == ref)
+                RETURN_MV(mv->mv[1]);
+        }
+    }
+
+    // MV at this position in previous frame, using same reference frame
+    if (s->s.h.use_last_frame_mvs) {
+        VP9mvrefPair *mv = &s->s.frames[REF_FRAME_MVPAIR].mv[row * s->sb_cols * 8 + col];
+
+        if (!s->s.frames[REF_FRAME_MVPAIR].uses_2pass)
+            ff_thread_await_progress(&s->s.frames[REF_FRAME_MVPAIR].tf, row >> 3, 0);
+        if (mv->ref[0] == ref)
+            RETURN_MV(mv->mv[0]);
+        else if (mv->ref[1] == ref)
+            RETURN_MV(mv->mv[1]);
+    }
+
+#define RETURN_SCALE_MV(mv, scale)              \
+    do {                                        \
+        if (scale) {                            \
+            VP56mv mv_temp = { -mv.x, -mv.y };  \
+            RETURN_MV(mv_temp);                 \
+        } else {                                \
+            RETURN_MV(mv);                      \
+        }                                       \
+    } while (0)
+
+    // previously coded MVs in this neighborhood, using different reference frame
+    for (i = 0; i < 8; i++) {
+        int c = p[i][0] + col, r = p[i][1] + row;
+
+        if (c >= td->tile_col_start && c < s->cols && r >= 0 && r < s->rows) {
+            VP9mvrefPair *mv = &s->s.frames[CUR_FRAME].mv[r * s->sb_cols * 8 + c];
+
+            if (mv->ref[0] != ref && mv->ref[0] >= 0)
+                RETURN_SCALE_MV(mv->mv[0],
+                                s->s.h.signbias[mv->ref[0]] != s->s.h.signbias[ref]);
+            if (mv->ref[1] != ref && mv->ref[1] >= 0 &&
+                // BUG - libvpx has this condition regardless of whether
+                // we used the first ref MV and pre-scaling
+                AV_RN32A(&mv->mv[0]) != AV_RN32A(&mv->mv[1])) {
+                RETURN_SCALE_MV(mv->mv[1], s->s.h.signbias[mv->ref[1]] != s->s.h.signbias[ref]);
+            }
+        }
+    }
+
+    // MV at this position in previous frame, using different reference frame
+    if (s->s.h.use_last_frame_mvs) {
+        VP9mvrefPair *mv = &s->s.frames[REF_FRAME_MVPAIR].mv[row * s->sb_cols * 8 + col];
+
+        // no need to await_progress, because we already did that above
+        if (mv->ref[0] != ref && mv->ref[0] >= 0)
+            RETURN_SCALE_MV(mv->mv[0], s->s.h.signbias[mv->ref[0]] != s->s.h.signbias[ref]);
+        if (mv->ref[1] != ref && mv->ref[1] >= 0 &&
+            // BUG - libvpx has this condition regardless of whether
+            // we used the first ref MV and pre-scaling
+            AV_RN32A(&mv->mv[0]) != AV_RN32A(&mv->mv[1])) {
+            RETURN_SCALE_MV(mv->mv[1], s->s.h.signbias[mv->ref[1]] != s->s.h.signbias[ref]);
+        }
+    }
+
+    AV_ZERO32(pmv);
+    clamp_mv(pmv, pmv, td);
+#undef INVALID_MV
+#undef RETURN_MV
+#undef RETURN_SCALE_MV
+}
+
+static av_always_inline int read_mv_component(VP9TileData *td, int idx, int hp)
+{
+    VP9Context *s = td->s;
+    int bit, sign = vp56_rac_get_prob(td->c, s->prob.p.mv_comp[idx].sign);
+    int n, c = vp8_rac_get_tree(td->c, ff_vp9_mv_class_tree,
+                                s->prob.p.mv_comp[idx].classes);
+
+    td->counts.mv_comp[idx].sign[sign]++;
+    td->counts.mv_comp[idx].classes[c]++;
+    if (c) {
+        int m;
+
+        for (n = 0, m = 0; m < c; m++) {
+            bit = vp56_rac_get_prob(td->c, s->prob.p.mv_comp[idx].bits[m]);
+            n |= bit << m;
+            td->counts.mv_comp[idx].bits[m][bit]++;
+        }
+        n <<= 3;
+        bit = vp8_rac_get_tree(td->c, ff_vp9_mv_fp_tree,
+                               s->prob.p.mv_comp[idx].fp);
+        n  |= bit << 1;
+        td->counts.mv_comp[idx].fp[bit]++;
+        if (hp) {
+            bit = vp56_rac_get_prob(td->c, s->prob.p.mv_comp[idx].hp);
+            td->counts.mv_comp[idx].hp[bit]++;
+            n |= bit;
+        } else {
+            n |= 1;
+            // bug in libvpx - we count for bw entropy purposes even if the
+            // bit wasn't coded
+            td->counts.mv_comp[idx].hp[1]++;
+        }
+        n += 8 << c;
+    } else {
+        n = vp56_rac_get_prob(td->c, s->prob.p.mv_comp[idx].class0);
+        td->counts.mv_comp[idx].class0[n]++;
+        bit = vp8_rac_get_tree(td->c, ff_vp9_mv_fp_tree,
+                               s->prob.p.mv_comp[idx].class0_fp[n]);
+        td->counts.mv_comp[idx].class0_fp[n][bit]++;
+        n = (n << 3) | (bit << 1);
+        if (hp) {
+            bit = vp56_rac_get_prob(td->c, s->prob.p.mv_comp[idx].class0_hp);
+            td->counts.mv_comp[idx].class0_hp[bit]++;
+            n |= bit;
+        } else {
+            n |= 1;
+            // bug in libvpx - we count for bw entropy purposes even if the
+            // bit wasn't coded
+            td->counts.mv_comp[idx].class0_hp[1]++;
+        }
+    }
+
+    return sign ? -(n + 1) : (n + 1);
+}
+
+void ff_vp9_fill_mv(VP9TileData *td, VP56mv *mv, int mode, int sb)
+{
+    VP9Context *s = td->s;
+    VP9Block *b = td->b;
+
+    if (mode == ZEROMV) {
+        AV_ZERO64(mv);
+    } else {
+        int hp;
+
+        // FIXME cache this value and reuse for other subblocks
+        find_ref_mvs(td, &mv[0], b->ref[0], 0, mode == NEARMV,
+                     mode == NEWMV ? -1 : sb);
+        // FIXME maybe move this code into find_ref_mvs()
+        if ((mode == NEWMV || sb == -1) &&
+            !(hp = s->s.h.highprecisionmvs &&
+              abs(mv[0].x) < 64 && abs(mv[0].y) < 64)) {
+            if (mv[0].y & 1) {
+                if (mv[0].y < 0)
+                    mv[0].y++;
+                else
+                    mv[0].y--;
+            }
+            if (mv[0].x & 1) {
+                if (mv[0].x < 0)
+                    mv[0].x++;
+                else
+                    mv[0].x--;
+            }
+        }
+        if (mode == NEWMV) {
+            enum MVJoint j = vp8_rac_get_tree(td->c, ff_vp9_mv_joint_tree,
+                                              s->prob.p.mv_joint);
+
+            td->counts.mv_joint[j]++;
+            if (j >= MV_JOINT_V)
+                mv[0].y += read_mv_component(td, 0, hp);
+            if (j & 1)
+                mv[0].x += read_mv_component(td, 1, hp);
+        }
+
+        if (b->comp) {
+            // FIXME cache this value and reuse for other subblocks
+            find_ref_mvs(td, &mv[1], b->ref[1], 1, mode == NEARMV,
+                         mode == NEWMV ? -1 : sb);
+            if ((mode == NEWMV || sb == -1) &&
+                !(hp = s->s.h.highprecisionmvs &&
+                  abs(mv[1].x) < 64 && abs(mv[1].y) < 64)) {
+                if (mv[1].y & 1) {
+                    if (mv[1].y < 0)
+                        mv[1].y++;
+                    else
+                        mv[1].y--;
+                }
+                if (mv[1].x & 1) {
+                    if (mv[1].x < 0)
+                        mv[1].x++;
+                    else
+                        mv[1].x--;
+                }
+            }
+            if (mode == NEWMV) {
+                enum MVJoint j = vp8_rac_get_tree(td->c, ff_vp9_mv_joint_tree,
+                                                  s->prob.p.mv_joint);
+
+                td->counts.mv_joint[j]++;
+                if (j >= MV_JOINT_V)
+                    mv[1].y += read_mv_component(td, 0, hp);
+                if (j & 1)
+                    mv[1].x += read_mv_component(td, 1, hp);
+            }
+        }
+    }
+}
diff --git a/media/ffvpx/libavcodec/vp9prob.c b/media/ffvpx/libavcodec/vp9prob.c
new file mode 100644
index 000000000..fb295b482
--- /dev/null
+++ b/media/ffvpx/libavcodec/vp9prob.c
@@ -0,0 +1,274 @@
+/*
+ * VP9 compatible video decoder
+ *
+ * Copyright (C) 2013 Ronald S. Bultje <rsbultje gmail com>
+ * Copyright (C) 2013 Clément Bœsch <u pkh me>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "vp56.h"
+#include "vp9.h"
+#include "vp9data.h"
+#include "vp9dec.h"
+
+static av_always_inline void adapt_prob(uint8_t *p, unsigned ct0, unsigned ct1,
+                                        int max_count, int update_factor)
+{
+    unsigned ct = ct0 + ct1, p2, p1;
+
+    if (!ct)
+        return;
+
+    update_factor = FASTDIV(update_factor * FFMIN(ct, max_count), max_count);
+    p1 = *p;
+    p2 = ((((int64_t) ct0) << 8) + (ct >> 1)) / ct;
+    p2 = av_clip(p2, 1, 255);
+
+    // (p1 * (256 - update_factor) + p2 * update_factor + 128) >> 8
+    *p = p1 + (((p2 - p1) * update_factor + 128) >> 8);
+}
+
+void ff_vp9_adapt_probs(VP9Context *s)
+{
+    int i, j, k, l, m;
+    ProbContext *p = &s->prob_ctx[s->s.h.framectxid].p;
+    int uf = (s->s.h.keyframe || s->s.h.intraonly || !s->last_keyframe) ? 112 : 128;
+
+    // coefficients
+    for (i = 0; i < 4; i++)
+        for (j = 0; j < 2; j++)
+            for (k = 0; k < 2; k++)
+                for (l = 0; l < 6; l++)
+                    for (m = 0; m < 6; m++) {
+                        uint8_t *pp = s->prob_ctx[s->s.h.framectxid].coef[i][j][k][l][m];
+                        unsigned *e = s->td[0].counts.eob[i][j][k][l][m];
+                        unsigned *c = s->td[0].counts.coef[i][j][k][l][m];
+
+                        if (l == 0 && m >= 3) // dc only has 3 pt
+                            break;
+
+                        adapt_prob(&pp[0], e[0], e[1], 24, uf);
+                        adapt_prob(&pp[1], c[0], c[1] + c[2], 24, uf);
+                        adapt_prob(&pp[2], c[1], c[2], 24, uf);
+                    }
+
+    if (s->s.h.keyframe || s->s.h.intraonly) {
+        memcpy(p->skip,  s->prob.p.skip,  sizeof(p->skip));
+        memcpy(p->tx32p, s->prob.p.tx32p, sizeof(p->tx32p));
+        memcpy(p->tx16p, s->prob.p.tx16p, sizeof(p->tx16p));
+        memcpy(p->tx8p,  s->prob.p.tx8p,  sizeof(p->tx8p));
+        return;
+    }
+
+    // skip flag
+    for (i = 0; i < 3; i++)
+        adapt_prob(&p->skip[i], s->td[0].counts.skip[i][0],
+                   s->td[0].counts.skip[i][1], 20, 128);
+
+    // intra/inter flag
+    for (i = 0; i < 4; i++)
+        adapt_prob(&p->intra[i], s->td[0].counts.intra[i][0],
+                   s->td[0].counts.intra[i][1], 20, 128);
+
+    // comppred flag
+    if (s->s.h.comppredmode == PRED_SWITCHABLE) {
+        for (i = 0; i < 5; i++)
+            adapt_prob(&p->comp[i], s->td[0].counts.comp[i][0],
+                       s->td[0].counts.comp[i][1], 20, 128);
+    }
+
+    // reference frames
+    if (s->s.h.comppredmode != PRED_SINGLEREF) {
+        for (i = 0; i < 5; i++)
+            adapt_prob(&p->comp_ref[i], s->td[0].counts.comp_ref[i][0],
+                       s->td[0].counts.comp_ref[i][1], 20, 128);
+    }
+
+    if (s->s.h.comppredmode != PRED_COMPREF) {
+        for (i = 0; i < 5; i++) {
+            uint8_t *pp = p->single_ref[i];
+            unsigned (*c)[2] = s->td[0].counts.single_ref[i];
+
+            adapt_prob(&pp[0], c[0][0], c[0][1], 20, 128);
+            adapt_prob(&pp[1], c[1][0], c[1][1], 20, 128);
+        }
+    }
+
+    // block partitioning
+    for (i = 0; i < 4; i++)
+        for (j = 0; j < 4; j++) {
+            uint8_t *pp = p->partition[i][j];
+            unsigned *c = s->td[0].counts.partition[i][j];
+
+            adapt_prob(&pp[0], c[0], c[1] + c[2] + c[3], 20, 128);
+            adapt_prob(&pp[1], c[1], c[2] + c[3], 20, 128);
+            adapt_prob(&pp[2], c[2], c[3], 20, 128);
+        }
+
+    // tx size
+    if (s->s.h.txfmmode == TX_SWITCHABLE) {
+        for (i = 0; i < 2; i++) {
+            unsigned *c16 = s->td[0].counts.tx16p[i], *c32 = s->td[0].counts.tx32p[i];
+
+            adapt_prob(&p->tx8p[i], s->td[0].counts.tx8p[i][0],
+                       s->td[0].counts.tx8p[i][1], 20, 128);
+            adapt_prob(&p->tx16p[i][0], c16[0], c16[1] + c16[2], 20, 128);
+            adapt_prob(&p->tx16p[i][1], c16[1], c16[2], 20, 128);
+            adapt_prob(&p->tx32p[i][0], c32[0], c32[1] + c32[2] + c32[3], 20, 128);
+            adapt_prob(&p->tx32p[i][1], c32[1], c32[2] + c32[3], 20, 128);
+            adapt_prob(&p->tx32p[i][2], c32[2], c32[3], 20, 128);
+        }
+    }
+
+    // interpolation filter
+    if (s->s.h.filtermode == FILTER_SWITCHABLE) {
+        for (i = 0; i < 4; i++) {
+            uint8_t *pp = p->filter[i];
+            unsigned *c = s->td[0].counts.filter[i];
+
+            adapt_prob(&pp[0], c[0], c[1] + c[2], 20, 128);
+            adapt_prob(&pp[1], c[1], c[2], 20, 128);
+        }
+    }
+
+    // inter modes
+    for (i = 0; i < 7; i++) {
+        uint8_t *pp = p->mv_mode[i];
+        unsigned *c = s->td[0].counts.mv_mode[i];
+
+        adapt_prob(&pp[0], c[2], c[1] + c[0] + c[3], 20, 128);
+        adapt_prob(&pp[1], c[0], c[1] + c[3], 20, 128);
+        adapt_prob(&pp[2], c[1], c[3], 20, 128);
+    }
+
+    // mv joints
+    {
+        uint8_t *pp = p->mv_joint;
+        unsigned *c = s->td[0].counts.mv_joint;
+
+        adapt_prob(&pp[0], c[0], c[1] + c[2] + c[3], 20, 128);
+        adapt_prob(&pp[1], c[1], c[2] + c[3], 20, 128);
+        adapt_prob(&pp[2], c[2], c[3], 20, 128);
+    }
+
+    // mv components
+    for (i = 0; i < 2; i++) {
+        uint8_t *pp;
+        unsigned *c, (*c2)[2], sum;
+
+        adapt_prob(&p->mv_comp[i].sign, s->td[0].counts.mv_comp[i].sign[0],
+                   s->td[0].counts.mv_comp[i].sign[1], 20, 128);
+
+        pp  = p->mv_comp[i].classes;
+        c   = s->td[0].counts.mv_comp[i].classes;
+        sum = c[1] + c[2] + c[3] + c[4] + c[5] +
+              c[6] + c[7] + c[8] + c[9] + c[10];
+        adapt_prob(&pp[0], c[0], sum, 20, 128);
+        sum -= c[1];
+        adapt_prob(&pp[1], c[1], sum, 20, 128);
+        sum -= c[2] + c[3];
+        adapt_prob(&pp[2], c[2] + c[3], sum, 20, 128);
+        adapt_prob(&pp[3], c[2], c[3], 20, 128);
+        sum -= c[4] + c[5];
+        adapt_prob(&pp[4], c[4] + c[5], sum, 20, 128);
+        adapt_prob(&pp[5], c[4], c[5], 20, 128);
+        sum -= c[6];
+        adapt_prob(&pp[6], c[6], sum, 20, 128);
+        adapt_prob(&pp[7], c[7] + c[8], c[9] + c[10], 20, 128);
+        adapt_prob(&pp[8], c[7], c[8], 20, 128);
+        adapt_prob(&pp[9], c[9], c[10], 20, 128);
+
+        adapt_prob(&p->mv_comp[i].class0, s->td[0].counts.mv_comp[i].class0[0],
+                   s->td[0].counts.mv_comp[i].class0[1], 20, 128);
+        pp = p->mv_comp[i].bits;
+        c2 = s->td[0].counts.mv_comp[i].bits;
+        for (j = 0; j < 10; j++)
+            adapt_prob(&pp[j], c2[j][0], c2[j][1], 20, 128);
+
+        for (j = 0; j < 2; j++) {
+            pp = p->mv_comp[i].class0_fp[j];
+            c  = s->td[0].counts.mv_comp[i].class0_fp[j];
+            adapt_prob(&pp[0], c[0], c[1] + c[2] + c[3], 20, 128);
+            adapt_prob(&pp[1], c[1], c[2] + c[3], 20, 128);
+            adapt_prob(&pp[2], c[2], c[3], 20, 128);
+        }
+        pp = p->mv_comp[i].fp;
+        c  = s->td[0].counts.mv_comp[i].fp;
+        adapt_prob(&pp[0], c[0], c[1] + c[2] + c[3], 20, 128);
+        adapt_prob(&pp[1], c[1], c[2] + c[3], 20, 128);
+        adapt_prob(&pp[2], c[2], c[3], 20, 128);
+
+        if (s->s.h.highprecisionmvs) {
+            adapt_prob(&p->mv_comp[i].class0_hp,
+                       s->td[0].counts.mv_comp[i].class0_hp[0],
+                       s->td[0].counts.mv_comp[i].class0_hp[1], 20, 128);
+            adapt_prob(&p->mv_comp[i].hp, s->td[0].counts.mv_comp[i].hp[0],
+                       s->td[0].counts.mv_comp[i].hp[1], 20, 128);
+        }
+    }
+
+    // y intra modes
+    for (i = 0; i < 4; i++) {
+        uint8_t *pp = p->y_mode[i];
+        unsigned *c = s->td[0].counts.y_mode[i], sum, s2;
+
+        sum = c[0] + c[1] + c[3] + c[4] + c[5] + c[6] + c[7] + c[8] + c[9];
+        adapt_prob(&pp[0], c[DC_PRED], sum, 20, 128);
+        sum -= c[TM_VP8_PRED];
+        adapt_prob(&pp[1], c[TM_VP8_PRED], sum, 20, 128);
+        sum -= c[VERT_PRED];
+        adapt_prob(&pp[2], c[VERT_PRED], sum, 20, 128);
+        s2   = c[HOR_PRED] + c[DIAG_DOWN_RIGHT_PRED] + c[VERT_RIGHT_PRED];
+        sum -= s2;
+        adapt_prob(&pp[3], s2, sum, 20, 128);
+        s2 -= c[HOR_PRED];
+        adapt_prob(&pp[4], c[HOR_PRED], s2, 20, 128);
+        adapt_prob(&pp[5], c[DIAG_DOWN_RIGHT_PRED], c[VERT_RIGHT_PRED],
+                   20, 128);
+        sum -= c[DIAG_DOWN_LEFT_PRED];
+        adapt_prob(&pp[6], c[DIAG_DOWN_LEFT_PRED], sum, 20, 128);
+        sum -= c[VERT_LEFT_PRED];
+        adapt_prob(&pp[7], c[VERT_LEFT_PRED], sum, 20, 128);
+        adapt_prob(&pp[8], c[HOR_DOWN_PRED], c[HOR_UP_PRED], 20, 128);
+    }
+
+    // uv intra modes
+    for (i = 0; i < 10; i++) {
+        uint8_t *pp = p->uv_mode[i];
+        unsigned *c = s->td[0].counts.uv_mode[i], sum, s2;
+
+        sum = c[0] + c[1] + c[3] + c[4] + c[5] + c[6] + c[7] + c[8] + c[9];
+        adapt_prob(&pp[0], c[DC_PRED], sum, 20, 128);
+        sum -= c[TM_VP8_PRED];
+        adapt_prob(&pp[1], c[TM_VP8_PRED], sum, 20, 128);
+        sum -= c[VERT_PRED];
+        adapt_prob(&pp[2], c[VERT_PRED], sum, 20, 128);
+        s2   = c[HOR_PRED] + c[DIAG_DOWN_RIGHT_PRED] + c[VERT_RIGHT_PRED];
+        sum -= s2;
+        adapt_prob(&pp[3], s2, sum, 20, 128);
+        s2 -= c[HOR_PRED];
+        adapt_prob(&pp[4], c[HOR_PRED], s2, 20, 128);
+        adapt_prob(&pp[5], c[DIAG_DOWN_RIGHT_PRED], c[VERT_RIGHT_PRED],
+                   20, 128);
+        sum -= c[DIAG_DOWN_LEFT_PRED];
+        adapt_prob(&pp[6], c[DIAG_DOWN_LEFT_PRED], sum, 20, 128);
+        sum -= c[VERT_LEFT_PRED];
+        adapt_prob(&pp[7], c[VERT_LEFT_PRED], sum, 20, 128);
+        adapt_prob(&pp[8], c[HOR_DOWN_PRED], c[HOR_UP_PRED], 20, 128);
+    }
+}
diff --git a/media/ffvpx/libavcodec/vp9recon.c b/media/ffvpx/libavcodec/vp9recon.c
new file mode 100644
index 000000000..49bb04e1f
--- /dev/null
+++ b/media/ffvpx/libavcodec/vp9recon.c
@@ -0,0 +1,644 @@
+/*
+ * VP9 compatible video decoder
+ *
+ * Copyright (C) 2013 Ronald S. Bultje <rsbultje gmail com>
+ * Copyright (C) 2013 Clément Bœsch <u pkh me>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "libavutil/avassert.h"
+
+#include "avcodec.h"
+#include "internal.h"
+#include "videodsp.h"
+#include "vp9data.h"
+#include "vp9dec.h"
+
+static av_always_inline int check_intra_mode(VP9TileData *td, int mode, uint8_t **a,
+                                             uint8_t *dst_edge, ptrdiff_t stride_edge,
+                                             uint8_t *dst_inner, ptrdiff_t stride_inner,
+                                             uint8_t *l, int col, int x, int w,
+                                             int row, int y, enum TxfmMode tx,
+                                             int p, int ss_h, int ss_v, int bytesperpixel)
+{
+    VP9Context *s = td->s;
+    int have_top = row > 0 || y > 0;
+    int have_left = col > td->tile_col_start || x > 0;
+    int have_right = x < w - 1;
+    int bpp = s->s.h.bpp;
+    static const uint8_t mode_conv[10][2 /* have_left */][2 /* have_top */] = {
+        [VERT_PRED]            = { { DC_127_PRED,          VERT_PRED            },
+                                   { DC_127_PRED,          VERT_PRED            } },
+        [HOR_PRED]             = { { DC_129_PRED,          DC_129_PRED          },
+                                   { HOR_PRED,             HOR_PRED             } },
+        [DC_PRED]              = { { DC_128_PRED,          TOP_DC_PRED          },
+                                   { LEFT_DC_PRED,         DC_PRED              } },
+        [DIAG_DOWN_LEFT_PRED]  = { { DC_127_PRED,          DIAG_DOWN_LEFT_PRED  },
+                                   { DC_127_PRED,          DIAG_DOWN_LEFT_PRED  } },
+        [DIAG_DOWN_RIGHT_PRED] = { { DIAG_DOWN_RIGHT_PRED, DIAG_DOWN_RIGHT_PRED },
+                                   { DIAG_DOWN_RIGHT_PRED, DIAG_DOWN_RIGHT_PRED } },
+        [VERT_RIGHT_PRED]      = { { VERT_RIGHT_PRED,      VERT_RIGHT_PRED      },
+                                   { VERT_RIGHT_PRED,      VERT_RIGHT_PRED      } },
+        [HOR_DOWN_PRED]        = { { HOR_DOWN_PRED,        HOR_DOWN_PRED        },
+                                   { HOR_DOWN_PRED,        HOR_DOWN_PRED        } },
+        [VERT_LEFT_PRED]       = { { DC_127_PRED,          VERT_LEFT_PRED       },
+                                   { DC_127_PRED,          VERT_LEFT_PRED       } },
+        [HOR_UP_PRED]          = { { DC_129_PRED,          DC_129_PRED          },
+                                   { HOR_UP_PRED,          HOR_UP_PRED          } },
+        [TM_VP8_PRED]          = { { DC_129_PRED,          VERT_PRED            },
+                                   { HOR_PRED,             TM_VP8_PRED          } },
+    };
+    static const struct {
+        uint8_t needs_left:1;
+        uint8_t needs_top:1;
+        uint8_t needs_topleft:1;
+        uint8_t needs_topright:1;
+        uint8_t invert_left:1;
+    } edges[N_INTRA_PRED_MODES] = {
+        [VERT_PRED]            = { .needs_top  = 1 },
+        [HOR_PRED]             = { .needs_left = 1 },
+        [DC_PRED]              = { .needs_top  = 1, .needs_left = 1 },
+        [DIAG_DOWN_LEFT_PRED]  = { .needs_top  = 1, .needs_topright = 1 },
+        [DIAG_DOWN_RIGHT_PRED] = { .needs_left = 1, .needs_top = 1,
+                                   .needs_topleft = 1 },
+        [VERT_RIGHT_PRED]      = { .needs_left = 1, .needs_top = 1,
+                                   .needs_topleft = 1 },
+        [HOR_DOWN_PRED]        = { .needs_left = 1, .needs_top = 1,
+                                   .needs_topleft = 1 },
+        [VERT_LEFT_PRED]       = { .needs_top  = 1, .needs_topright = 1 },
+        [HOR_UP_PRED]          = { .needs_left = 1, .invert_left = 1 },
+        [TM_VP8_PRED]          = { .needs_left = 1, .needs_top = 1,
+                                   .needs_topleft = 1 },
+        [LEFT_DC_PRED]         = { .needs_left = 1 },
+        [TOP_DC_PRED]          = { .needs_top  = 1 },
+        [DC_128_PRED]          = { 0 },
+        [DC_127_PRED]          = { 0 },
+        [DC_129_PRED]          = { 0 }
+    };
+
+    av_assert2(mode >= 0 && mode < 10);
+    mode = mode_conv[mode][have_left][have_top];
+    if (edges[mode].needs_top) {
+        uint8_t *top, *topleft;
+        int n_px_need = 4 << tx, n_px_have = (((s->cols - col) << !ss_h) - x) * 4;
+        int n_px_need_tr = 0;
+
+        if (tx == TX_4X4 && edges[mode].needs_topright && have_right)
+            n_px_need_tr = 4;
+
+        // if top of sb64-row, use s->intra_pred_data[] instead of
+        // dst[-stride] for intra prediction (it contains pre- instead of
+        // post-loopfilter data)
+        if (have_top) {
+            top = !(row & 7) && !y ?
+                s->intra_pred_data[p] + (col * (8 >> ss_h) + x * 4) * bytesperpixel :
+                y == 0 ? &dst_edge[-stride_edge] : &dst_inner[-stride_inner];
+            if (have_left)
+                topleft = !(row & 7) && !y ?
+                    s->intra_pred_data[p] + (col * (8 >> ss_h) + x * 4) * bytesperpixel :
+                    y == 0 || x == 0 ? &dst_edge[-stride_edge] :
+                    &dst_inner[-stride_inner];
+        }
+
+        if (have_top &&
+            (!edges[mode].needs_topleft || (have_left && top == topleft)) &&
+            (tx != TX_4X4 || !edges[mode].needs_topright || have_right) &&
+            n_px_need + n_px_need_tr <= n_px_have) {
+            *a = top;
+        } else {
+            if (have_top) {
+                if (n_px_need <= n_px_have) {
+                    memcpy(*a, top, n_px_need * bytesperpixel);
+                } else {
+#define memset_bpp(c, i1, v, i2, num) do { \
+    if (bytesperpixel == 1) { \
+        memset(&(c)[(i1)], (v)[(i2)], (num)); \
+    } else { \
+        int n, val = AV_RN16A(&(v)[(i2) * 2]); \
+        for (n = 0; n < (num); n++) { \
+            AV_WN16A(&(c)[((i1) + n) * 2], val); \
+        } \
+    } \
+} while (0)
+                    memcpy(*a, top, n_px_have * bytesperpixel);
+                    memset_bpp(*a, n_px_have, (*a), n_px_have - 1, n_px_need - n_px_have);
+                }
+            } else {
+#define memset_val(c, val, num) do { \
+    if (bytesperpixel == 1) { \
+        memset((c), (val), (num)); \
+    } else { \
+        int n; \
+        for (n = 0; n < (num); n++) { \
+            AV_WN16A(&(c)[n * 2], (val)); \
+        } \
+    } \
+} while (0)
+                memset_val(*a, (128 << (bpp - 8)) - 1, n_px_need);
+            }
+            if (edges[mode].needs_topleft) {
+                if (have_left && have_top) {
+#define assign_bpp(c, i1, v, i2) do { \
+    if (bytesperpixel == 1) { \
+        (c)[(i1)] = (v)[(i2)]; \
+    } else { \
+        AV_COPY16(&(c)[(i1) * 2], &(v)[(i2) * 2]); \
+    } \
+} while (0)
+                    assign_bpp(*a, -1, topleft, -1);
+                } else {
+#define assign_val(c, i, v) do { \
+    if (bytesperpixel == 1) { \
+        (c)[(i)] = (v); \
+    } else { \
+        AV_WN16A(&(c)[(i) * 2], (v)); \
+    } \
+} while (0)
+                    assign_val((*a), -1, (128 << (bpp - 8)) + (have_top ? +1 : -1));
+                }
+            }
+            if (tx == TX_4X4 && edges[mode].needs_topright) {
+                if (have_top && have_right &&
+                    n_px_need + n_px_need_tr <= n_px_have) {
+                    memcpy(&(*a)[4 * bytesperpixel], &top[4 * bytesperpixel], 4 * bytesperpixel);
+                } else {
+                    memset_bpp(*a, 4, *a, 3, 4);
+                }
+            }
+        }
+    }
+    if (edges[mode].needs_left) {
+        if (have_left) {
+            int n_px_need = 4 << tx, i, n_px_have = (((s->rows - row) << !ss_v) - y) * 4;
+            uint8_t *dst = x == 0 ? dst_edge : dst_inner;
+            ptrdiff_t stride = x == 0 ? stride_edge : stride_inner;
+
+            if (edges[mode].invert_left) {
+                if (n_px_need <= n_px_have) {
+                    for (i = 0; i < n_px_need; i++)
+                        assign_bpp(l, i, &dst[i * stride], -1);
+                } else {
+                    for (i = 0; i < n_px_have; i++)
+                        assign_bpp(l, i, &dst[i * stride], -1);
+                    memset_bpp(l, n_px_have, l, n_px_have - 1, n_px_need - n_px_have);
+                }
+            } else {
+                if (n_px_need <= n_px_have) {
+                    for (i = 0; i < n_px_need; i++)
+                        assign_bpp(l, n_px_need - 1 - i, &dst[i * stride], -1);
+                } else {
+                    for (i = 0; i < n_px_have; i++)
+                        assign_bpp(l, n_px_need - 1 - i, &dst[i * stride], -1);
+                    memset_bpp(l, 0, l, n_px_need - n_px_have, n_px_need - n_px_have);
+                }
+            }
+        } else {
+            memset_val(l, (128 << (bpp - 8)) + 1, 4 << tx);
+        }
+    }
+
+    return mode;
+}
+
+static av_always_inline void intra_recon(VP9TileData *td, ptrdiff_t y_off,
+                                         ptrdiff_t uv_off, int bytesperpixel)
+{
+    VP9Context *s = td->s;
+    VP9Block *b = td->b;
+    int row = td->row, col = td->col;
+    int w4 = ff_vp9_bwh_tab[1][b->bs][0] << 1, step1d = 1 << b->tx, n;
+    int h4 = ff_vp9_bwh_tab[1][b->bs][1] << 1, x, y, step = 1 << (b->tx * 2);
+    int end_x = FFMIN(2 * (s->cols - col), w4);
+    int end_y = FFMIN(2 * (s->rows - row), h4);
+    int tx = 4 * s->s.h.lossless + b->tx, uvtx = b->uvtx + 4 * s->s.h.lossless;
+    int uvstep1d = 1 << b->uvtx, p;
+    uint8_t *dst = td->dst[0], *dst_r = s->s.frames[CUR_FRAME].tf.f->data[0] + y_off;
+    LOCAL_ALIGNED_32(uint8_t, a_buf, [96]);
+    LOCAL_ALIGNED_32(uint8_t, l, [64]);
+
+    for (n = 0, y = 0; y < end_y; y += step1d) {
+        uint8_t *ptr = dst, *ptr_r = dst_r;
+        for (x = 0; x < end_x; x += step1d, ptr += 4 * step1d * bytesperpixel,
+                               ptr_r += 4 * step1d * bytesperpixel, n += step) {
+            int mode = b->mode[b->bs > BS_8x8 && b->tx == TX_4X4 ?
+                               y * 2 + x : 0];
+            uint8_t *a = &a_buf[32];
+            enum TxfmType txtp = ff_vp9_intra_txfm_type[mode];
+            int eob = b->skip ? 0 : b->tx > TX_8X8 ? AV_RN16A(&td->eob[n]) : td->eob[n];
+
+            mode = check_intra_mode(td, mode, &a, ptr_r,
+                                    s->s.frames[CUR_FRAME].tf.f->linesize[0],
+                                    ptr, td->y_stride, l,
+                                    col, x, w4, row, y, b->tx, 0, 0, 0, bytesperpixel);
+            s->dsp.intra_pred[b->tx][mode](ptr, td->y_stride, l, a);
+            if (eob)
+                s->dsp.itxfm_add[tx][txtp](ptr, td->y_stride,
+                                           td->block + 16 * n * bytesperpixel, eob);
+        }
+        dst_r += 4 * step1d * s->s.frames[CUR_FRAME].tf.f->linesize[0];
+        dst   += 4 * step1d * td->y_stride;
+    }
+
+    // U/V
+    w4    >>= s->ss_h;
+    end_x >>= s->ss_h;
+    end_y >>= s->ss_v;
+    step = 1 << (b->uvtx * 2);
+    for (p = 0; p < 2; p++) {
+        dst   = td->dst[1 + p];
+        dst_r = s->s.frames[CUR_FRAME].tf.f->data[1 + p] + uv_off;
+        for (n = 0, y = 0; y < end_y; y += uvstep1d) {
+            uint8_t *ptr = dst, *ptr_r = dst_r;
+            for (x = 0; x < end_x; x += uvstep1d, ptr += 4 * uvstep1d * bytesperpixel,
+                                   ptr_r += 4 * uvstep1d * bytesperpixel, n += step) {
+                int mode = b->uvmode;
+                uint8_t *a = &a_buf[32];
+                int eob = b->skip ? 0 : b->uvtx > TX_8X8 ? AV_RN16A(&td->uveob[p][n]) : td->uveob[p][n];
+
+                mode = check_intra_mode(td, mode, &a, ptr_r,
+                                        s->s.frames[CUR_FRAME].tf.f->linesize[1],
+                                        ptr, td->uv_stride, l, col, x, w4, row, y,
+                                        b->uvtx, p + 1, s->ss_h, s->ss_v, bytesperpixel);
+                s->dsp.intra_pred[b->uvtx][mode](ptr, td->uv_stride, l, a);
+                if (eob)
+                    s->dsp.itxfm_add[uvtx][DCT_DCT](ptr, td->uv_stride,
+                                                    td->uvblock[p] + 16 * n * bytesperpixel, eob);
+            }
+            dst_r += 4 * uvstep1d * s->s.frames[CUR_FRAME].tf.f->linesize[1];
+            dst   += 4 * uvstep1d * td->uv_stride;
+        }
+    }
+}
+
+void ff_vp9_intra_recon_8bpp(VP9TileData *td, ptrdiff_t y_off, ptrdiff_t uv_off)
+{
+    intra_recon(td, y_off, uv_off, 1);
+}
+
+void ff_vp9_intra_recon_16bpp(VP9TileData *td, ptrdiff_t y_off, ptrdiff_t uv_off)
+{
+    intra_recon(td, y_off, uv_off, 2);
+}
+
+static av_always_inline void mc_luma_unscaled(VP9TileData *td, vp9_mc_func (*mc)[2],
+                                              uint8_t *dst, ptrdiff_t dst_stride,
+                                              const uint8_t *ref, ptrdiff_t ref_stride,
+                                              ThreadFrame *ref_frame,
+                                              ptrdiff_t y, ptrdiff_t x, const VP56mv *mv,
+                                              int bw, int bh, int w, int h, int bytesperpixel)
+{
+    VP9Context *s = td->s;
+    int mx = mv->x, my = mv->y, th;
+
+    y += my >> 3;
+    x += mx >> 3;
+    ref += y * ref_stride + x * bytesperpixel;
+    mx &= 7;
+    my &= 7;
+    // FIXME bilinear filter only needs 0/1 pixels, not 3/4
+    // we use +7 because the last 7 pixels of each sbrow can be changed in
+    // the longest loopfilter of the next sbrow
+    th = (y + bh + 4 * !!my + 7) >> 6;
+    ff_thread_await_progress(ref_frame, FFMAX(th, 0), 0);
+    // The arm/aarch64 _hv filters read one more row than what actually is
+    // needed, so switch to emulated edge one pixel sooner vertically
+    // (!!my * 5) than horizontally (!!mx * 4).
+    if (x < !!mx * 3 || y < !!my * 3 ||
+        x + !!mx * 4 > w - bw || y + !!my * 5 > h - bh) {
+        s->vdsp.emulated_edge_mc(td->edge_emu_buffer,
+                                 ref - !!my * 3 * ref_stride - !!mx * 3 * bytesperpixel,
+                                 160, ref_stride,
+                                 bw + !!mx * 7, bh + !!my * 7,
+                                 x - !!mx * 3, y - !!my * 3, w, h);
+        ref = td->edge_emu_buffer + !!my * 3 * 160 + !!mx * 3 * bytesperpixel;
+        ref_stride = 160;
+    }
+    mc[!!mx][!!my](dst, dst_stride, ref, ref_stride, bh, mx << 1, my << 1);
+}
+
+static av_always_inline void mc_chroma_unscaled(VP9TileData *td, vp9_mc_func (*mc)[2],
+                                                uint8_t *dst_u, uint8_t *dst_v,
+                                                ptrdiff_t dst_stride,
+                                                const uint8_t *ref_u, ptrdiff_t src_stride_u,
+                                                const uint8_t *ref_v, ptrdiff_t src_stride_v,
+                                                ThreadFrame *ref_frame,
+                                                ptrdiff_t y, ptrdiff_t x, const VP56mv *mv,
+                                                int bw, int bh, int w, int h, int bytesperpixel)
+{
+    VP9Context *s = td->s;
+    int mx = mv->x * (1 << !s->ss_h), my = mv->y * (1 << !s->ss_v), th;
+
+    y += my >> 4;
+    x += mx >> 4;
+    ref_u += y * src_stride_u + x * bytesperpixel;
+    ref_v += y * src_stride_v + x * bytesperpixel;
+    mx &= 15;
+    my &= 15;
+    // FIXME bilinear filter only needs 0/1 pixels, not 3/4
+    // we use +7 because the last 7 pixels of each sbrow can be changed in
+    // the longest loopfilter of the next sbrow
+    th = (y + bh + 4 * !!my + 7) >> (6 - s->ss_v);
+    ff_thread_await_progress(ref_frame, FFMAX(th, 0), 0);
+    // The arm/aarch64 _hv filters read one more row than what actually is
+    // needed, so switch to emulated edge one pixel sooner vertically
+    // (!!my * 5) than horizontally (!!mx * 4).
+    if (x < !!mx * 3 || y < !!my * 3 ||
+        x + !!mx * 4 > w - bw || y + !!my * 5 > h - bh) {
+        s->vdsp.emulated_edge_mc(td->edge_emu_buffer,
+                                 ref_u - !!my * 3 * src_stride_u - !!mx * 3 * bytesperpixel,
+                                 160, src_stride_u,
+                                 bw + !!mx * 7, bh + !!my * 7,
+                                 x - !!mx * 3, y - !!my * 3, w, h);
+        ref_u = td->edge_emu_buffer + !!my * 3 * 160 + !!mx * 3 * bytesperpixel;
+        mc[!!mx][!!my](dst_u, dst_stride, ref_u, 160, bh, mx, my);
+
+        s->vdsp.emulated_edge_mc(td->edge_emu_buffer,
+                                 ref_v - !!my * 3 * src_stride_v - !!mx * 3 * bytesperpixel,
+                                 160, src_stride_v,
+                                 bw + !!mx * 7, bh + !!my * 7,
+                                 x - !!mx * 3, y - !!my * 3, w, h);
+        ref_v = td->edge_emu_buffer + !!my * 3 * 160 + !!mx * 3 * bytesperpixel;
+        mc[!!mx][!!my](dst_v, dst_stride, ref_v, 160, bh, mx, my);
+    } else {
+        mc[!!mx][!!my](dst_u, dst_stride, ref_u, src_stride_u, bh, mx, my);
+        mc[!!mx][!!my](dst_v, dst_stride, ref_v, src_stride_v, bh, mx, my);
+    }
+}
+
+#define mc_luma_dir(td, mc, dst, dst_ls, src, src_ls, tref, row, col, mv, \
+                    px, py, pw, ph, bw, bh, w, h, i) \
+    mc_luma_unscaled(td, s->dsp.mc, dst, dst_ls, src, src_ls, tref, row, col, \
+                     mv, bw, bh, w, h, bytesperpixel)
+#define mc_chroma_dir(td, mc, dstu, dstv, dst_ls, srcu, srcu_ls, srcv, srcv_ls, tref, \
+                      row, col, mv, px, py, pw, ph, bw, bh, w, h, i) \
+    mc_chroma_unscaled(td, s->dsp.mc, dstu, dstv, dst_ls, srcu, srcu_ls, srcv, srcv_ls, tref, \
+                       row, col, mv, bw, bh, w, h, bytesperpixel)
+#define SCALED 0
+#define FN(x) x##_8bpp
+#define BYTES_PER_PIXEL 1
+#include "vp9_mc_template.c"
+#undef FN
+#undef BYTES_PER_PIXEL
+#define FN(x) x##_16bpp
+#define BYTES_PER_PIXEL 2
+#include "vp9_mc_template.c"
+#undef mc_luma_dir
+#undef mc_chroma_dir
+#undef FN
+#undef BYTES_PER_PIXEL
+#undef SCALED
+
+static av_always_inline void mc_luma_scaled(VP9TileData *td, vp9_scaled_mc_func smc,
+                                            vp9_mc_func (*mc)[2],
+                                            uint8_t *dst, ptrdiff_t dst_stride,
+                                            const uint8_t *ref, ptrdiff_t ref_stride,
+                                            ThreadFrame *ref_frame,
+                                            ptrdiff_t y, ptrdiff_t x, const VP56mv *in_mv,
+                                            int px, int py, int pw, int ph,
+                                            int bw, int bh, int w, int h, int bytesperpixel,
+                                            const uint16_t *scale, const uint8_t *step)
+{
+    VP9Context *s = td->s;
+    if (s->s.frames[CUR_FRAME].tf.f->width == ref_frame->f->width &&
+        s->s.frames[CUR_FRAME].tf.f->height == ref_frame->f->height) {
+        mc_luma_unscaled(td, mc, dst, dst_stride, ref, ref_stride, ref_frame,
+                         y, x, in_mv, bw, bh, w, h, bytesperpixel);
+    } else {
+#define scale_mv(n, dim) (((int64_t)(n) * scale[dim]) >> 14)
+    int mx, my;
+    int refbw_m1, refbh_m1;
+    int th;
+    VP56mv mv;
+
+    mv.x = av_clip(in_mv->x, -(x + pw - px + 4) * 8, (s->cols * 8 - x + px + 3) * 8);
+    mv.y = av_clip(in_mv->y, -(y + ph - py + 4) * 8, (s->rows * 8 - y + py + 3) * 8);
+    // BUG libvpx seems to scale the two components separately. This introduces
+    // rounding errors but we have to reproduce them to be exactly compatible
+    // with the output from libvpx...
+    mx = scale_mv(mv.x * 2, 0) + scale_mv(x * 16, 0);
+    my = scale_mv(mv.y * 2, 1) + scale_mv(y * 16, 1);
+
+    y = my >> 4;
+    x = mx >> 4;
+    ref += y * ref_stride + x * bytesperpixel;
+    mx &= 15;
+    my &= 15;
+    refbw_m1 = ((bw - 1) * step[0] + mx) >> 4;
+    refbh_m1 = ((bh - 1) * step[1] + my) >> 4;
+    // FIXME bilinear filter only needs 0/1 pixels, not 3/4
+    // we use +7 because the last 7 pixels of each sbrow can be changed in
+    // the longest loopfilter of the next sbrow
+    th = (y + refbh_m1 + 4 + 7) >> 6;
+    ff_thread_await_progress(ref_frame, FFMAX(th, 0), 0);
+    // The arm/aarch64 _hv filters read one more row than what actually is
+    // needed, so switch to emulated edge one pixel sooner vertically
+    // (y + 5 >= h - refbh_m1) than horizontally (x + 4 >= w - refbw_m1).
+    if (x < 3 || y < 3 || x + 4 >= w - refbw_m1 || y + 5 >= h - refbh_m1) {
+        s->vdsp.emulated_edge_mc(td->edge_emu_buffer,
+                                 ref - 3 * ref_stride - 3 * bytesperpixel,
+                                 288, ref_stride,
+                                 refbw_m1 + 8, refbh_m1 + 8,
+                                 x - 3, y - 3, w, h);
+        ref = td->edge_emu_buffer + 3 * 288 + 3 * bytesperpixel;
+        ref_stride = 288;
+    }
+    smc(dst, dst_stride, ref, ref_stride, bh, mx, my, step[0], step[1]);
+    }
+}
+
+static av_always_inline void mc_chroma_scaled(VP9TileData *td, vp9_scaled_mc_func smc,
+                                              vp9_mc_func (*mc)[2],
+                                              uint8_t *dst_u, uint8_t *dst_v,
+                                              ptrdiff_t dst_stride,
+                                              const uint8_t *ref_u, ptrdiff_t src_stride_u,
+                                              const uint8_t *ref_v, ptrdiff_t src_stride_v,
+                                              ThreadFrame *ref_frame,
+                                              ptrdiff_t y, ptrdiff_t x, const VP56mv *in_mv,
+                                              int px, int py, int pw, int ph,
+                                              int bw, int bh, int w, int h, int bytesperpixel,
+                                              const uint16_t *scale, const uint8_t *step)
+{
+    VP9Context *s = td->s;
+    if (s->s.frames[CUR_FRAME].tf.f->width == ref_frame->f->width &&
+        s->s.frames[CUR_FRAME].tf.f->height == ref_frame->f->height) {
+        mc_chroma_unscaled(td, mc, dst_u, dst_v, dst_stride, ref_u, src_stride_u,
+                           ref_v, src_stride_v, ref_frame,
+                           y, x, in_mv, bw, bh, w, h, bytesperpixel);
+    } else {
+    int mx, my;
+    int refbw_m1, refbh_m1;
+    int th;
+    VP56mv mv;
+
+    if (s->ss_h) {
+        // BUG https://code.google.com/p/webm/issues/detail?id=820
+        mv.x = av_clip(in_mv->x, -(x + pw - px + 4) * 16, (s->cols * 4 - x + px + 3) * 16);
+        mx = scale_mv(mv.x, 0) + (scale_mv(x * 16, 0) & ~15) + (scale_mv(x * 32, 0) & 15);
+    } else {
+        mv.x = av_clip(in_mv->x, -(x + pw - px + 4) * 8, (s->cols * 8 - x + px + 3) * 8);
+        mx = scale_mv(mv.x * 2, 0) + scale_mv(x * 16, 0);
+    }
+    if (s->ss_v) {
+        // BUG https://code.google.com/p/webm/issues/detail?id=820
+        mv.y = av_clip(in_mv->y, -(y + ph - py + 4) * 16, (s->rows * 4 - y + py + 3) * 16);
+        my = scale_mv(mv.y, 1) + (scale_mv(y * 16, 1) & ~15) + (scale_mv(y * 32, 1) & 15);
+    } else {
+        mv.y = av_clip(in_mv->y, -(y + ph - py + 4) * 8, (s->rows * 8 - y + py + 3) * 8);
+        my = scale_mv(mv.y * 2, 1) + scale_mv(y * 16, 1);
+    }
+#undef scale_mv
+    y = my >> 4;
+    x = mx >> 4;
+    ref_u += y * src_stride_u + x * bytesperpixel;
+    ref_v += y * src_stride_v + x * bytesperpixel;
+    mx &= 15;
+    my &= 15;
+    refbw_m1 = ((bw - 1) * step[0] + mx) >> 4;
+    refbh_m1 = ((bh - 1) * step[1] + my) >> 4;
+    // FIXME bilinear filter only needs 0/1 pixels, not 3/4
+    // we use +7 because the last 7 pixels of each sbrow can be changed in
+    // the longest loopfilter of the next sbrow
+    th = (y + refbh_m1 + 4 + 7) >> (6 - s->ss_v);
+    ff_thread_await_progress(ref_frame, FFMAX(th, 0), 0);
+    // The arm/aarch64 _hv filters read one more row than what actually is
+    // needed, so switch to emulated edge one pixel sooner vertically
+    // (y + 5 >= h - refbh_m1) than horizontally (x + 4 >= w - refbw_m1).
+    if (x < 3 || y < 3 || x + 4 >= w - refbw_m1 || y + 5 >= h - refbh_m1) {
+        s->vdsp.emulated_edge_mc(td->edge_emu_buffer,
+                                 ref_u - 3 * src_stride_u - 3 * bytesperpixel,
+                                 288, src_stride_u,
+                                 refbw_m1 + 8, refbh_m1 + 8,
+                                 x - 3, y - 3, w, h);
+        ref_u = td->edge_emu_buffer + 3 * 288 + 3 * bytesperpixel;
+        smc(dst_u, dst_stride, ref_u, 288, bh, mx, my, step[0], step[1]);
+
+        s->vdsp.emulated_edge_mc(td->edge_emu_buffer,
+                                 ref_v - 3 * src_stride_v - 3 * bytesperpixel,
+                                 288, src_stride_v,
+                                 refbw_m1 + 8, refbh_m1 + 8,
+                                 x - 3, y - 3, w, h);
+        ref_v = td->edge_emu_buffer + 3 * 288 + 3 * bytesperpixel;
+        smc(dst_v, dst_stride, ref_v, 288, bh, mx, my, step[0], step[1]);
+    } else {
+        smc(dst_u, dst_stride, ref_u, src_stride_u, bh, mx, my, step[0], step[1]);
+        smc(dst_v, dst_stride, ref_v, src_stride_v, bh, mx, my, step[0], step[1]);
+    }
+    }
+}
+
+#define mc_luma_dir(td, mc, dst, dst_ls, src, src_ls, tref, row, col, mv, \
+                    px, py, pw, ph, bw, bh, w, h, i) \
+    mc_luma_scaled(td, s->dsp.s##mc, s->dsp.mc, dst, dst_ls, src, src_ls, tref, row, col, \
+                   mv, px, py, pw, ph, bw, bh, w, h, bytesperpixel, \
+                   s->mvscale[b->ref[i]], s->mvstep[b->ref[i]])
+#define mc_chroma_dir(td, mc, dstu, dstv, dst_ls, srcu, srcu_ls, srcv, srcv_ls, tref, \
+                      row, col, mv, px, py, pw, ph, bw, bh, w, h, i) \
+    mc_chroma_scaled(td, s->dsp.s##mc, s->dsp.mc, dstu, dstv, dst_ls, srcu, srcu_ls, srcv, srcv_ls, tref, \
+                     row, col, mv, px, py, pw, ph, bw, bh, w, h, bytesperpixel, \
+                     s->mvscale[b->ref[i]], s->mvstep[b->ref[i]])
+#define SCALED 1
+#define FN(x) x##_scaled_8bpp
+#define BYTES_PER_PIXEL 1
+#include "vp9_mc_template.c"
+#undef FN
+#undef BYTES_PER_PIXEL
+#define FN(x) x##_scaled_16bpp
+#define BYTES_PER_PIXEL 2
+#include "vp9_mc_template.c"
+#undef mc_luma_dir
+#undef mc_chroma_dir
+#undef FN
+#undef BYTES_PER_PIXEL
+#undef SCALED
+
+static av_always_inline void inter_recon(VP9TileData *td, int bytesperpixel)
+{
+    VP9Context *s = td->s;
+    VP9Block *b = td->b;
+    int row = td->row, col = td->col;
+
+    if (s->mvscale[b->ref[0]][0] || (b->comp && s->mvscale[b->ref[1]][0])) {
+        if (bytesperpixel == 1) {
+            inter_pred_scaled_8bpp(td);
+        } else {
+            inter_pred_scaled_16bpp(td);
+        }
+    } else {
+        if (bytesperpixel == 1) {
+            inter_pred_8bpp(td);
+        } else {
+            inter_pred_16bpp(td);
+        }
+    }
+
+    if (!b->skip) {
+        /* mostly copied intra_recon() */
+
+        int w4 = ff_vp9_bwh_tab[1][b->bs][0] << 1, step1d = 1 << b->tx, n;
+        int h4 = ff_vp9_bwh_tab[1][b->bs][1] << 1, x, y, step = 1 << (b->tx * 2);
+        int end_x = FFMIN(2 * (s->cols - col), w4);
+        int end_y = FFMIN(2 * (s->rows - row), h4);
+        int tx = 4 * s->s.h.lossless + b->tx, uvtx = b->uvtx + 4 * s->s.h.lossless;
+        int uvstep1d = 1 << b->uvtx, p;
+        uint8_t *dst = td->dst[0];
+
+        // y itxfm add
+        for (n = 0, y = 0; y < end_y; y += step1d) {
+            uint8_t *ptr = dst;
+            for (x = 0; x < end_x; x += step1d,
+                 ptr += 4 * step1d * bytesperpixel, n += step) {
+                int eob = b->tx > TX_8X8 ? AV_RN16A(&td->eob[n]) : td->eob[n];
+
+                if (eob)
+                    s->dsp.itxfm_add[tx][DCT_DCT](ptr, td->y_stride,
+                                                  td->block + 16 * n * bytesperpixel, eob);
+            }
+            dst += 4 * td->y_stride * step1d;
+        }
+
+        // uv itxfm add
+        end_x >>= s->ss_h;
+        end_y >>= s->ss_v;
+        step = 1 << (b->uvtx * 2);
+        for (p = 0; p < 2; p++) {
+            dst = td->dst[p + 1];
+            for (n = 0, y = 0; y < end_y; y += uvstep1d) {
+                uint8_t *ptr = dst;
+                for (x = 0; x < end_x; x += uvstep1d,
+                     ptr += 4 * uvstep1d * bytesperpixel, n += step) {
+                    int eob = b->uvtx > TX_8X8 ? AV_RN16A(&td->uveob[p][n]) : td->uveob[p][n];
+
+                    if (eob)
+                        s->dsp.itxfm_add[uvtx][DCT_DCT](ptr, td->uv_stride,
+                                                        td->uvblock[p] + 16 * n * bytesperpixel, eob);
+                }
+                dst += 4 * uvstep1d * td->uv_stride;
+            }
+        }
+    }
+}
+
+void ff_vp9_inter_recon_8bpp(VP9TileData *td)
+{
+    inter_recon(td, 1);
+}
+
+void ff_vp9_inter_recon_16bpp(VP9TileData *td)
+{
+    inter_recon(td, 2);
+}
diff --git a/media/ffvpx/libavcodec/vp9shared.h b/media/ffvpx/libavcodec/vp9shared.h
new file mode 100644
index 000000000..54726df74
--- /dev/null
+++ b/media/ffvpx/libavcodec/vp9shared.h
@@ -0,0 +1,169 @@
+/*
+ * VP9 compatible video decoder
+ *
+ * Copyright (C) 2013 Ronald S. Bultje <rsbultje gmail com>
+ * Copyright (C) 2013 Clément Bœsch <u pkh me>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef AVCODEC_VP9SHARED_H
+#define AVCODEC_VP9SHARED_H
+
+#include <stddef.h>
+#include <stdint.h>
+
+#include "vp9.h"
+#include "thread.h"
+#include "vp56.h"
+
+enum BlockPartition {
+    PARTITION_NONE,    // [ ] <-.
+    PARTITION_H,       // [-]   |
+    PARTITION_V,       // [|]   |
+    PARTITION_SPLIT,   // [+] --'
+};
+
+enum InterPredMode {
+    NEARESTMV = 10,
+    NEARMV    = 11,
+    ZEROMV    = 12,
+    NEWMV     = 13,
+};
+
+enum CompPredMode {
+    PRED_SINGLEREF,
+    PRED_COMPREF,
+    PRED_SWITCHABLE,
+};
+
+typedef struct VP9mvrefPair {
+    VP56mv mv[2];
+    int8_t ref[2];
+} VP9mvrefPair;
+
+typedef struct VP9Frame {
+    ThreadFrame tf;
+    AVBufferRef *extradata;
+    uint8_t *segmentation_map;
+    VP9mvrefPair *mv;
+    int uses_2pass;
+
+    AVBufferRef *hwaccel_priv_buf;
+    void *hwaccel_picture_private;
+} VP9Frame;
+
+enum BlockLevel {
+    BL_64X64,
+    BL_32X32,
+    BL_16X16,
+    BL_8X8,
+};
+
+enum BlockSize {
+    BS_64x64,
+    BS_64x32,
+    BS_32x64,
+    BS_32x32,
+    BS_32x16,
+    BS_16x32,
+    BS_16x16,
+    BS_16x8,
+    BS_8x16,
+    BS_8x8,
+    BS_8x4,
+    BS_4x8,
+    BS_4x4,
+    N_BS_SIZES,
+};
+
+typedef struct VP9BitstreamHeader {
+    // bitstream header
+    uint8_t profile;
+    uint8_t bpp;
+    uint8_t keyframe;
+    uint8_t invisible;
+    uint8_t errorres;
+    uint8_t intraonly;
+    uint8_t resetctx;
+    uint8_t refreshrefmask;
+    uint8_t highprecisionmvs;
+    enum FilterMode filtermode;
+    uint8_t allowcompinter;
+    uint8_t refreshctx;
+    uint8_t parallelmode;
+    uint8_t framectxid;
+    uint8_t use_last_frame_mvs;
+    uint8_t refidx[3];
+    uint8_t signbias[3];
+    uint8_t fixcompref;
+    uint8_t varcompref[2];
+    struct {
+        uint8_t level;
+        int8_t sharpness;
+    } filter;
+    struct {
+        uint8_t enabled;
+        uint8_t updated;
+        int8_t mode[2];
+        int8_t ref[4];
+    } lf_delta;
+    uint8_t yac_qi;
+    int8_t ydc_qdelta, uvdc_qdelta, uvac_qdelta;
+    uint8_t lossless;
+#define MAX_SEGMENT 8
+    struct {
+        uint8_t enabled;
+        uint8_t temporal;
+        uint8_t absolute_vals;
+        uint8_t update_map;
+        uint8_t prob[7];
+        uint8_t pred_prob[3];
+        struct {
+            uint8_t q_enabled;
+            uint8_t lf_enabled;
+            uint8_t ref_enabled;
+            uint8_t skip_enabled;
+            uint8_t ref_val;
+            int16_t q_val;
+            int8_t lf_val;
+            int16_t qmul[2][2];
+            uint8_t lflvl[4][2];
+        } feat[MAX_SEGMENT];
+    } segmentation;
+    enum TxfmMode txfmmode;
+    enum CompPredMode comppredmode;
+    struct {
+        unsigned log2_tile_cols, log2_tile_rows;
+        unsigned tile_cols, tile_rows;
+    } tiling;
+
+    int uncompressed_header_size;
+    int compressed_header_size;
+} VP9BitstreamHeader;
+
+typedef struct VP9SharedContext {
+    VP9BitstreamHeader h;
+
+    ThreadFrame refs[8];
+#define CUR_FRAME 0
+#define REF_FRAME_MVPAIR 1
+#define REF_FRAME_SEGMAP 2
+    VP9Frame frames[3];
+} VP9SharedContext;
+
+#endif /* AVCODEC_VP9SHARED_H */
diff --git a/media/ffvpx/libavcodec/x86/constants.h b/media/ffvpx/libavcodec/x86/constants.h
index b82aef9a4..bbb0ef844 100644
--- a/media/ffvpx/libavcodec/x86/constants.h
+++ b/media/ffvpx/libavcodec/x86/constants.h
@@ -43,6 +43,7 @@ extern const xmm_reg  ff_pw_64;
 extern const uint64_t ff_pw_96;
 extern const uint64_t ff_pw_128;
 extern const ymm_reg  ff_pw_255;
+extern const ymm_reg  ff_pw_256;
 extern const ymm_reg  ff_pw_512;
 extern const ymm_reg  ff_pw_1023;
 extern const ymm_reg  ff_pw_1024;
diff --git a/media/ffvpx/libavcodec/x86/flacdsp_init.c b/media/ffvpx/libavcodec/x86/flacdsp_init.c
index e28c5c932..1971f81b8 100644
--- a/media/ffvpx/libavcodec/x86/flacdsp_init.c
+++ b/media/ffvpx/libavcodec/x86/flacdsp_init.c
@@ -53,7 +53,7 @@ DECORRELATE_FUNCS(32,  avx);
 av_cold void ff_flacdsp_init_x86(FLACDSPContext *c, enum AVSampleFormat fmt, int channels,
                                  int bps)
 {
-#if HAVE_YASM
+#if HAVE_X86ASM
     int cpu_flags = av_get_cpu_flags();
 
 #if CONFIG_FLAC_DECODER
@@ -111,5 +111,5 @@ av_cold void ff_flacdsp_init_x86(FLACDSPContext *c, enum AVSampleFormat fmt, int
             c->lpc16_encode = ff_flac_enc_lpc_16_sse4;
     }
 #endif
-#endif /* HAVE_YASM */
+#endif /* HAVE_X86ASM */
 }
diff --git a/media/ffvpx/libavcodec/x86/h264_i386.h b/media/ffvpx/libavcodec/x86/h264_i386.h
deleted file mode 100644
index 19cd12838..000000000
--- a/media/ffvpx/libavcodec/x86/h264_i386.h
+++ /dev/null
@@ -1,212 +0,0 @@
-/*
- * H.26L/H.264/AVC/JVT/14496-10/... encoder/decoder
- * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
- *
- * This file is part of FFmpeg.
- *
- * FFmpeg is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * FFmpeg is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-/**
- * @file
- * H.264 / AVC / MPEG-4 part10 codec.
- * non-MMX i386-specific optimizations for H.264
- * @author Michael Niedermayer <michaelni@gmx.at>
- */
-
-#ifndef AVCODEC_X86_H264_I386_H
-#define AVCODEC_X86_H264_I386_H
-
-#include <stddef.h>
-
-#include "libavcodec/cabac.h"
-#include "cabac.h"
-
-#if HAVE_INLINE_ASM
-
-#if ARCH_X86_64
-#define REG64 "r"
-#else
-#define REG64 "m"
-#endif
-
-//FIXME use some macros to avoid duplicating get_cabac (cannot be done yet
-//as that would make optimization work hard)
-#if HAVE_7REGS && !BROKEN_COMPILER
-#define decode_significance decode_significance_x86
-static int decode_significance_x86(CABACContext *c, int max_coeff,
-                                   uint8_t *significant_coeff_ctx_base,
-                                   int *index, x86_reg last_off){
-    void *end= significant_coeff_ctx_base + max_coeff - 1;
-    int minusstart= -(intptr_t)significant_coeff_ctx_base;
-    int minusindex= 4-(intptr_t)index;
-    int bit;
-    x86_reg coeff_count;
-
-#ifdef BROKEN_RELOCATIONS
-    void *tables;
-
-    __asm__ volatile(
-        "lea   "MANGLE(ff_h264_cabac_tables)", %0      \n\t"
-        : "=&r"(tables)
-        : NAMED_CONSTRAINTS_ARRAY(ff_h264_cabac_tables)
-    );
-#endif
-
-    __asm__ volatile(
-        "3:                                     \n\t"
-
-        BRANCHLESS_GET_CABAC("%4", "%q4", "(%1)", "%3", "%w3",
-                             "%5", "%q5", "%k0", "%b0",
-                             "%c11(%6)", "%c12(%6)",
-                             AV_STRINGIFY(H264_NORM_SHIFT_OFFSET),
-                             AV_STRINGIFY(H264_LPS_RANGE_OFFSET),
-                             AV_STRINGIFY(H264_MLPS_STATE_OFFSET),
-                             "%13")
-
-        "test $1, %4                            \n\t"
-        " jz 4f                                 \n\t"
-        "add  %10, %1                           \n\t"
-
-        BRANCHLESS_GET_CABAC("%4", "%q4", "(%1)", "%3", "%w3",
-                             "%5", "%q5", "%k0", "%b0",
-                             "%c11(%6)", "%c12(%6)",
-                             AV_STRINGIFY(H264_NORM_SHIFT_OFFSET),
-                             AV_STRINGIFY(H264_LPS_RANGE_OFFSET),
-                             AV_STRINGIFY(H264_MLPS_STATE_OFFSET),
-                             "%13")
-
-        "sub  %10, %1                           \n\t"
-        "mov  %2, %0                            \n\t"
-        "movl %7, %%ecx                         \n\t"
-        "add  %1, %%"FF_REG_c"                  \n\t"
-        "movl %%ecx, (%0)                       \n\t"
-
-        "test $1, %4                            \n\t"
-        " jnz 5f                                \n\t"
-
-        "add"FF_OPSIZE"  $4, %2                 \n\t"
-
-        "4:                                     \n\t"
-        "add  $1, %1                            \n\t"
-        "cmp  %8, %1                            \n\t"
-        " jb 3b                                 \n\t"
-        "mov  %2, %0                            \n\t"
-        "movl %7, %%ecx                         \n\t"
-        "add  %1, %%"FF_REG_c"                  \n\t"
-        "movl %%ecx, (%0)                       \n\t"
-        "5:                                     \n\t"
-        "add  %9, %k0                           \n\t"
-        "shr $2, %k0                            \n\t"
-        : "=&q"(coeff_count), "+r"(significant_coeff_ctx_base), "+m"(index),
-          "+&r"(c->low), "=&r"(bit), "+&r"(c->range)
-        : "r"(c), "m"(minusstart), "m"(end), "m"(minusindex), "m"(last_off),
-          "i"(offsetof(CABACContext, bytestream)),
-          "i"(offsetof(CABACContext, bytestream_end))
-          TABLES_ARG
-        : "%"FF_REG_c, "memory"
-    );
-    return coeff_count;
-}
-
-#define decode_significance_8x8 decode_significance_8x8_x86
-static int decode_significance_8x8_x86(CABACContext *c,
-                                       uint8_t *significant_coeff_ctx_base,
-                                       int *index, uint8_t *last_coeff_ctx_base, const uint8_t *sig_off){
-    int minusindex= 4-(intptr_t)index;
-    int bit;
-    x86_reg coeff_count;
-    x86_reg last=0;
-    x86_reg state;
-
-#ifdef BROKEN_RELOCATIONS
-    void *tables;
-
-    __asm__ volatile(
-        "lea    "MANGLE(ff_h264_cabac_tables)", %0      \n\t"
-        : "=&r"(tables)
-        : NAMED_CONSTRAINTS_ARRAY(ff_h264_cabac_tables)
-    );
-#endif
-
-    __asm__ volatile(
-        "mov %1, %6                             \n\t"
-        "3:                                     \n\t"
-
-        "mov %10, %0                            \n\t"
-        "movzb (%0, %6), %6                     \n\t"
-        "add %9, %6                             \n\t"
-
-        BRANCHLESS_GET_CABAC("%4", "%q4", "(%6)", "%3", "%w3",
-                             "%5", "%q5", "%k0", "%b0",
-                             "%c12(%7)", "%c13(%7)",
-                             AV_STRINGIFY(H264_NORM_SHIFT_OFFSET),
-                             AV_STRINGIFY(H264_LPS_RANGE_OFFSET),
-                             AV_STRINGIFY(H264_MLPS_STATE_OFFSET),
-                             "%15")
-
-        "mov %1, %6                             \n\t"
-        "test $1, %4                            \n\t"
-        " jz 4f                                 \n\t"
-
-#ifdef BROKEN_RELOCATIONS
-        "movzb %c14(%15, %q6), %6\n\t"
-#else
-        "movzb "MANGLE(ff_h264_cabac_tables)"+%c14(%6), %6\n\t"
-#endif
-        "add %11, %6                            \n\t"
-
-        BRANCHLESS_GET_CABAC("%4", "%q4", "(%6)", "%3", "%w3",
-                             "%5", "%q5", "%k0", "%b0",
-                             "%c12(%7)", "%c13(%7)",
-                             AV_STRINGIFY(H264_NORM_SHIFT_OFFSET),
-                             AV_STRINGIFY(H264_LPS_RANGE_OFFSET),
-                             AV_STRINGIFY(H264_MLPS_STATE_OFFSET),
-                             "%15")
-
-        "mov %2, %0                             \n\t"
-        "mov %1, %6                             \n\t"
-        "mov %k6, (%0)                          \n\t"
-
-        "test $1, %4                            \n\t"
-        " jnz 5f                                \n\t"
-
-        "add"FF_OPSIZE"  $4, %2                 \n\t"
-
-        "4:                                     \n\t"
-        "add $1, %6                             \n\t"
-        "mov %6, %1                             \n\t"
-        "cmp $63, %6                            \n\t"
-        " jb 3b                                 \n\t"
-        "mov %2, %0                             \n\t"
-        "mov %k6, (%0)                          \n\t"
-        "5:                                     \n\t"
-        "addl %8, %k0                           \n\t"
-        "shr $2, %k0                            \n\t"
-        : "=&q"(coeff_count), "+"REG64(last), "+"REG64(index), "+&r"(c->low),
-          "=&r"(bit), "+&r"(c->range), "=&r"(state)
-        : "r"(c), "m"(minusindex), "m"(significant_coeff_ctx_base),
-          REG64(sig_off), REG64(last_coeff_ctx_base),
-          "i"(offsetof(CABACContext, bytestream)),
-          "i"(offsetof(CABACContext, bytestream_end)),
-          "i"(H264_LAST_COEFF_FLAG_OFFSET_8x8_OFFSET) TABLES_ARG
-        : "%"FF_REG_c, "memory"
-    );
-    return coeff_count;
-}
-#endif /* HAVE_7REGS && BROKEN_COMPILER */
-
-#endif /* HAVE_INLINE_ASM */
-#endif /* AVCODEC_X86_H264_I386_H */
diff --git a/media/ffvpx/libavcodec/x86/h264_intrapred.asm b/media/ffvpx/libavcodec/x86/h264_intrapred.asm
index c88d91b49..f3aa3172f 100644
--- a/media/ffvpx/libavcodec/x86/h264_intrapred.asm
+++ b/media/ffvpx/libavcodec/x86/h264_intrapred.asm
@@ -49,7 +49,7 @@ cextern pw_17
 cextern pw_32
 
 ;-----------------------------------------------------------------------------
-; void ff_pred16x16_vertical_8(uint8_t *src, int stride)
+; void ff_pred16x16_vertical_8(uint8_t *src, ptrdiff_t stride)
 ;-----------------------------------------------------------------------------
 
 INIT_MMX mmx
@@ -85,7 +85,7 @@ cglobal pred16x16_vertical_8, 2,3
     REP_RET
 
 ;-----------------------------------------------------------------------------
-; void ff_pred16x16_horizontal_8(uint8_t *src, int stride)
+; void ff_pred16x16_horizontal_8(uint8_t *src, ptrdiff_t stride)
 ;-----------------------------------------------------------------------------
 
 %macro PRED16x16_H 0
@@ -126,7 +126,7 @@ INIT_XMM ssse3
 PRED16x16_H
 
 ;-----------------------------------------------------------------------------
-; void ff_pred16x16_dc_8(uint8_t *src, int stride)
+; void ff_pred16x16_dc_8(uint8_t *src, ptrdiff_t stride)
 ;-----------------------------------------------------------------------------
 
 %macro PRED16x16_DC 0
@@ -188,7 +188,7 @@ INIT_XMM ssse3
 PRED16x16_DC
 
 ;-----------------------------------------------------------------------------
-; void ff_pred16x16_tm_vp8_8(uint8_t *src, int stride)
+; void ff_pred16x16_tm_vp8_8(uint8_t *src, ptrdiff_t stride)
 ;-----------------------------------------------------------------------------
 
 %macro PRED16x16_TM 0
@@ -268,8 +268,45 @@ cglobal pred16x16_tm_vp8_8, 2,6,6
     jg .loop
     REP_RET
 
+%if HAVE_AVX2_EXTERNAL
+INIT_YMM avx2
+cglobal pred16x16_tm_vp8_8, 2, 4, 5, dst, stride, stride3, iteration
+    sub                       dstq, strideq
+    pmovzxbw                    m0, [dstq]
+    vpbroadcastb               xm1, [r0-1]
+    pmovzxbw                    m1, xm1
+    psubw                       m0, m1
+    mov                 iterationd, 4
+    lea                   stride3q, [strideq*3]
+.loop:
+    vpbroadcastb               xm1, [dstq+strideq*1-1]
+    vpbroadcastb               xm2, [dstq+strideq*2-1]
+    vpbroadcastb               xm3, [dstq+stride3q-1]
+    vpbroadcastb               xm4, [dstq+strideq*4-1]
+    pmovzxbw                    m1, xm1
+    pmovzxbw                    m2, xm2
+    pmovzxbw                    m3, xm3
+    pmovzxbw                    m4, xm4
+    paddw                       m1, m0
+    paddw                       m2, m0
+    paddw                       m3, m0
+    paddw                       m4, m0
+    vpackuswb                   m1, m1, m2
+    vpackuswb                   m3, m3, m4
+    vpermq                      m1, m1, q3120
+    vpermq                      m3, m3, q3120
+    movdqa        [dstq+strideq*1], xm1
+    vextracti128  [dstq+strideq*2], m1, 1
+    movdqa       [dstq+stride3q*1], xm3
+    vextracti128  [dstq+strideq*4], m3, 1
+    lea                       dstq, [dstq+strideq*4]
+    dec                 iterationd
+    jg .loop
+    REP_RET
+%endif
+
 ;-----------------------------------------------------------------------------
-; void ff_pred16x16_plane_*_8(uint8_t *src, int stride)
+; void ff_pred16x16_plane_*_8(uint8_t *src, ptrdiff_t stride)
 ;-----------------------------------------------------------------------------
 
 %macro H264_PRED16x16_PLANE 1
@@ -550,7 +587,7 @@ H264_PRED16x16_PLANE rv40
 H264_PRED16x16_PLANE svq3
 
 ;-----------------------------------------------------------------------------
-; void ff_pred8x8_plane_8(uint8_t *src, int stride)
+; void ff_pred8x8_plane_8(uint8_t *src, ptrdiff_t stride)
 ;-----------------------------------------------------------------------------
 
 %macro H264_PRED8x8_PLANE 0
@@ -724,7 +761,7 @@ INIT_XMM ssse3
 H264_PRED8x8_PLANE
 
 ;-----------------------------------------------------------------------------
-; void ff_pred8x8_vertical_8(uint8_t *src, int stride)
+; void ff_pred8x8_vertical_8(uint8_t *src, ptrdiff_t stride)
 ;-----------------------------------------------------------------------------
 
 INIT_MMX mmx
@@ -741,7 +778,7 @@ cglobal pred8x8_vertical_8, 2,2
     RET
 
 ;-----------------------------------------------------------------------------
-; void ff_pred8x8_horizontal_8(uint8_t *src, int stride)
+; void ff_pred8x8_horizontal_8(uint8_t *src, ptrdiff_t stride)
 ;-----------------------------------------------------------------------------
 
 %macro PRED8x8_H 0
@@ -769,7 +806,7 @@ INIT_MMX ssse3
 PRED8x8_H
 
 ;-----------------------------------------------------------------------------
-; void ff_pred8x8_top_dc_8_mmxext(uint8_t *src, int stride)
+; void ff_pred8x8_top_dc_8_mmxext(uint8_t *src, ptrdiff_t stride)
 ;-----------------------------------------------------------------------------
 INIT_MMX mmxext
 cglobal pred8x8_top_dc_8, 2,5
@@ -803,7 +840,7 @@ cglobal pred8x8_top_dc_8, 2,5
     RET
 
 ;-----------------------------------------------------------------------------
-; void ff_pred8x8_dc_8_mmxext(uint8_t *src, int stride)
+; void ff_pred8x8_dc_8_mmxext(uint8_t *src, ptrdiff_t stride)
 ;-----------------------------------------------------------------------------
 
 INIT_MMX mmxext
@@ -864,7 +901,7 @@ cglobal pred8x8_dc_8, 2,5
     RET
 
 ;-----------------------------------------------------------------------------
-; void ff_pred8x8_dc_rv40_8(uint8_t *src, int stride)
+; void ff_pred8x8_dc_rv40_8(uint8_t *src, ptrdiff_t stride)
 ;-----------------------------------------------------------------------------
 
 INIT_MMX mmxext
@@ -901,7 +938,7 @@ cglobal pred8x8_dc_rv40_8, 2,7
     REP_RET
 
 ;-----------------------------------------------------------------------------
-; void ff_pred8x8_tm_vp8_8(uint8_t *src, int stride)
+; void ff_pred8x8_tm_vp8_8(uint8_t *src, ptrdiff_t stride)
 ;-----------------------------------------------------------------------------
 
 %macro PRED8x8_TM 0
@@ -1014,7 +1051,7 @@ cglobal pred8x8_tm_vp8_8, 2,3,6
 
 ;-----------------------------------------------------------------------------
 ; void ff_pred8x8l_top_dc_8(uint8_t *src, int has_topleft, int has_topright,
-;                           int stride)
+;                           ptrdiff_t stride)
 ;-----------------------------------------------------------------------------
 %macro PRED8x8L_TOP_DC 0
 cglobal pred8x8l_top_dc_8, 4,4
@@ -1070,7 +1107,7 @@ PRED8x8L_TOP_DC
 
 ;-----------------------------------------------------------------------------
 ; void ff_pred8x8l_dc_8(uint8_t *src, int has_topleft, int has_topright,
-;                       int stride)
+;                       ptrdiff_t stride)
 ;-----------------------------------------------------------------------------
 
 %macro PRED8x8L_DC 0
@@ -1174,7 +1211,7 @@ PRED8x8L_DC
 
 ;-----------------------------------------------------------------------------
 ; void ff_pred8x8l_horizontal_8(uint8_t *src, int has_topleft,
-;                               int has_topright, int stride)
+;                               int has_topright, ptrdiff_t stride)
 ;-----------------------------------------------------------------------------
 
 %macro PRED8x8L_HORIZONTAL 0
@@ -1246,7 +1283,7 @@ PRED8x8L_HORIZONTAL
 
 ;-----------------------------------------------------------------------------
 ; void ff_pred8x8l_vertical_8(uint8_t *src, int has_topleft, int has_topright,
-;                             int stride)
+;                             ptrdiff_t stride)
 ;-----------------------------------------------------------------------------
 
 %macro PRED8x8L_VERTICAL 0
@@ -1297,7 +1334,7 @@ PRED8x8L_VERTICAL
 
 ;-----------------------------------------------------------------------------
 ; void ff_pred8x8l_down_left_8(uint8_t *src, int has_topleft,
-;                              int has_topright, int stride)
+;                              int has_topright, ptrdiff_t stride)
 ;-----------------------------------------------------------------------------
 
 INIT_MMX mmxext
@@ -1498,7 +1535,7 @@ PRED8x8L_DOWN_LEFT
 
 ;-----------------------------------------------------------------------------
 ; void ff_pred8x8l_down_right_8_mmxext(uint8_t *src, int has_topleft,
-;                                      int has_topright, int stride)
+;                                      int has_topright, ptrdiff_t stride)
 ;-----------------------------------------------------------------------------
 
 INIT_MMX mmxext
@@ -1750,7 +1787,7 @@ PRED8x8L_DOWN_RIGHT
 
 ;-----------------------------------------------------------------------------
 ; void ff_pred8x8l_vertical_right_8(uint8_t *src, int has_topleft,
-;                                   int has_topright, int stride)
+;                                   int has_topright, ptrdiff_t stride)
 ;-----------------------------------------------------------------------------
 
 INIT_MMX mmxext
@@ -1978,7 +2015,7 @@ PRED8x8L_VERTICAL_RIGHT
 
 ;-----------------------------------------------------------------------------
 ; void ff_pred8x8l_vertical_left_8(uint8_t *src, int has_topleft,
-;                                  int has_topright, int stride)
+;                                  int has_topright, ptrdiff_t stride)
 ;-----------------------------------------------------------------------------
 
 %macro PRED8x8L_VERTICAL_LEFT 0
@@ -2068,7 +2105,7 @@ PRED8x8L_VERTICAL_LEFT
 
 ;-----------------------------------------------------------------------------
 ; void ff_pred8x8l_horizontal_up_8(uint8_t *src, int has_topleft,
-;                                  int has_topright, int stride)
+;                                  int has_topright, ptrdiff_t stride)
 ;-----------------------------------------------------------------------------
 
 %macro PRED8x8L_HORIZONTAL_UP 0
@@ -2156,7 +2193,7 @@ PRED8x8L_HORIZONTAL_UP
 
 ;-----------------------------------------------------------------------------
 ; void ff_pred8x8l_horizontal_down_8(uint8_t *src, int has_topleft,
-;                                    int has_topright, int stride)
+;                                    int has_topright, ptrdiff_t stride)
 ;-----------------------------------------------------------------------------
 
 INIT_MMX mmxext
@@ -2404,7 +2441,8 @@ INIT_MMX ssse3
 PRED8x8L_HORIZONTAL_DOWN
 
 ;-------------------------------------------------------------------------------
-; void ff_pred4x4_dc_8_mmxext(uint8_t *src, const uint8_t *topright, int stride)
+; void ff_pred4x4_dc_8_mmxext(uint8_t *src, const uint8_t *topright,
+;                             ptrdiff_t stride)
 ;-------------------------------------------------------------------------------
 
 INIT_MMX mmxext
@@ -2435,7 +2473,7 @@ cglobal pred4x4_dc_8, 3,5
 
 ;-----------------------------------------------------------------------------
 ; void ff_pred4x4_tm_vp8_8_mmxext(uint8_t *src, const uint8_t *topright,
-;                                 int stride)
+;                                 ptrdiff_t stride)
 ;-----------------------------------------------------------------------------
 
 %macro PRED4x4_TM 0
@@ -2514,7 +2552,7 @@ cglobal pred4x4_tm_vp8_8, 3,3
 
 ;-----------------------------------------------------------------------------
 ; void ff_pred4x4_vertical_vp8_8_mmxext(uint8_t *src, const uint8_t *topright,
-;                                       int stride)
+;                                       ptrdiff_t stride)
 ;-----------------------------------------------------------------------------
 
 INIT_MMX mmxext
@@ -2535,7 +2573,7 @@ cglobal pred4x4_vertical_vp8_8, 3,3
 
 ;-----------------------------------------------------------------------------
 ; void ff_pred4x4_down_left_8_mmxext(uint8_t *src, const uint8_t *topright,
-;                                    int stride)
+;                                    ptrdiff_t stride)
 ;-----------------------------------------------------------------------------
 INIT_MMX mmxext
 cglobal pred4x4_down_left_8, 3,3
@@ -2562,7 +2600,7 @@ cglobal pred4x4_down_left_8, 3,3
 
 ;------------------------------------------------------------------------------
 ; void ff_pred4x4_vertical_left_8_mmxext(uint8_t *src, const uint8_t *topright,
-;                                        int stride)
+;                                        ptrdiff_t stride)
 ;------------------------------------------------------------------------------
 
 INIT_MMX mmxext
@@ -2588,7 +2626,7 @@ cglobal pred4x4_vertical_left_8, 3,3
 
 ;------------------------------------------------------------------------------
 ; void ff_pred4x4_horizontal_up_8_mmxext(uint8_t *src, const uint8_t *topright,
-;                                        int stride)
+;                                        ptrdiff_t stride)
 ;------------------------------------------------------------------------------
 
 INIT_MMX mmxext
@@ -2622,7 +2660,8 @@ cglobal pred4x4_horizontal_up_8, 3,3
 
 ;------------------------------------------------------------------------------
 ; void ff_pred4x4_horizontal_down_8_mmxext(uint8_t *src,
-;                                          const uint8_t *topright, int stride)
+;                                          const uint8_t *topright,
+;                                          ptrdiff_t stride)
 ;------------------------------------------------------------------------------
 
 INIT_MMX mmxext
@@ -2658,7 +2697,8 @@ cglobal pred4x4_horizontal_down_8, 3,3
 
 ;-----------------------------------------------------------------------------
 ; void ff_pred4x4_vertical_right_8_mmxext(uint8_t *src,
-;                                         const uint8_t *topright, int stride)
+;                                         const uint8_t *topright,
+;                                         ptrdiff_t stride)
 ;-----------------------------------------------------------------------------
 
 INIT_MMX mmxext
@@ -2689,7 +2729,7 @@ cglobal pred4x4_vertical_right_8, 3,3
 
 ;-----------------------------------------------------------------------------
 ; void ff_pred4x4_down_right_8_mmxext(uint8_t *src, const uint8_t *topright,
-;                                     int stride)
+;                                     ptrdiff_t stride)
 ;-----------------------------------------------------------------------------
 
 INIT_MMX mmxext
diff --git a/media/ffvpx/libavcodec/x86/h264_intrapred_10bit.asm b/media/ffvpx/libavcodec/x86/h264_intrapred_10bit.asm
index 9e40cfe24..629e0a72e 100644
--- a/media/ffvpx/libavcodec/x86/h264_intrapred_10bit.asm
+++ b/media/ffvpx/libavcodec/x86/h264_intrapred_10bit.asm
@@ -51,7 +51,8 @@ SECTION .text
 %endmacro
 
 ;-----------------------------------------------------------------------------
-; void ff_pred4x4_down_right(pixel *src, const pixel *topright, int stride)
+; void ff_pred4x4_down_right_10(pixel *src, const pixel *topright,
+;                               ptrdiff_t stride)
 ;-----------------------------------------------------------------------------
 %macro PRED4x4_DR 0
 cglobal pred4x4_down_right_10, 3, 3
@@ -89,7 +90,8 @@ PRED4x4_DR
 %endif
 
 ;------------------------------------------------------------------------------
-; void ff_pred4x4_vertical_right(pixel *src, const pixel *topright, int stride)
+; void ff_pred4x4_vertical_right_10(pixel *src, const pixel *topright,
+;                                   ptrdiff_t stride)
 ;------------------------------------------------------------------------------
 %macro PRED4x4_VR 0
 cglobal pred4x4_vertical_right_10, 3, 3, 6
@@ -128,7 +130,8 @@ PRED4x4_VR
 %endif
 
 ;-------------------------------------------------------------------------------
-; void ff_pred4x4_horizontal_down(pixel *src, const pixel *topright, int stride)
+; void ff_pred4x4_horizontal_down_10(pixel *src, const pixel *topright,
+;                                    ptrdiff_t stride)
 ;-------------------------------------------------------------------------------
 %macro PRED4x4_HD 0
 cglobal pred4x4_horizontal_down_10, 3, 3
@@ -170,7 +173,7 @@ PRED4x4_HD
 %endif
 
 ;-----------------------------------------------------------------------------
-; void ff_pred4x4_dc(pixel *src, const pixel *topright, int stride)
+; void ff_pred4x4_dc_10(pixel *src, const pixel *topright, ptrdiff_t stride)
 ;-----------------------------------------------------------------------------
 
 INIT_MMX mmxext
@@ -195,7 +198,8 @@ cglobal pred4x4_dc_10, 3, 3
     RET
 
 ;-----------------------------------------------------------------------------
-; void ff_pred4x4_down_left(pixel *src, const pixel *topright, int stride)
+; void ff_pred4x4_down_left_10(pixel *src, const pixel *topright,
+;                              ptrdiff_t stride)
 ;-----------------------------------------------------------------------------
 %macro PRED4x4_DL 0
 cglobal pred4x4_down_left_10, 3, 3
@@ -225,7 +229,8 @@ PRED4x4_DL
 %endif
 
 ;-----------------------------------------------------------------------------
-; void ff_pred4x4_vertical_left(pixel *src, const pixel *topright, int stride)
+; void ff_pred4x4_vertical_left_10(pixel *src, const pixel *topright,
+;                                  ptrdiff_t stride)
 ;-----------------------------------------------------------------------------
 %macro PRED4x4_VL 0
 cglobal pred4x4_vertical_left_10, 3, 3
@@ -254,7 +259,8 @@ PRED4x4_VL
 %endif
 
 ;-----------------------------------------------------------------------------
-; void ff_pred4x4_horizontal_up(pixel *src, const pixel *topright, int stride)
+; void ff_pred4x4_horizontal_up_10(pixel *src, const pixel *topright,
+;                                  ptrdiff_t stride)
 ;-----------------------------------------------------------------------------
 INIT_MMX mmxext
 cglobal pred4x4_horizontal_up_10, 3, 3
@@ -288,7 +294,7 @@ cglobal pred4x4_horizontal_up_10, 3, 3
 
 
 ;-----------------------------------------------------------------------------
-; void ff_pred8x8_vertical(pixel *src, int stride)
+; void ff_pred8x8_vertical_10(pixel *src, ptrdiff_t stride)
 ;-----------------------------------------------------------------------------
 INIT_XMM sse2
 cglobal pred8x8_vertical_10, 2, 2
@@ -304,7 +310,7 @@ cglobal pred8x8_vertical_10, 2, 2
     RET
 
 ;-----------------------------------------------------------------------------
-; void ff_pred8x8_horizontal(pixel *src, int stride)
+; void ff_pred8x8_horizontal_10(pixel *src, ptrdiff_t stride)
 ;-----------------------------------------------------------------------------
 INIT_XMM sse2
 cglobal pred8x8_horizontal_10, 2, 3
@@ -324,7 +330,7 @@ cglobal pred8x8_horizontal_10, 2, 3
     REP_RET
 
 ;-----------------------------------------------------------------------------
-; void ff_predict_8x8_dc(pixel *src, int stride)
+; void ff_predict_8x8_dc_10(pixel *src, ptrdiff_t stride)
 ;-----------------------------------------------------------------------------
 %macro MOV8 2-3
 ; sort of a hack, but it works
@@ -411,7 +417,7 @@ INIT_XMM sse2
 PRED8x8_DC pshuflw
 
 ;-----------------------------------------------------------------------------
-; void ff_pred8x8_top_dc(pixel *src, int stride)
+; void ff_pred8x8_top_dc_10(pixel *src, ptrdiff_t stride)
 ;-----------------------------------------------------------------------------
 INIT_XMM sse2
 cglobal pred8x8_top_dc_10, 2, 4
@@ -438,7 +444,7 @@ cglobal pred8x8_top_dc_10, 2, 4
     RET
 
 ;-----------------------------------------------------------------------------
-; void ff_pred8x8_plane(pixel *src, int stride)
+; void ff_pred8x8_plane_10(pixel *src, ptrdiff_t stride)
 ;-----------------------------------------------------------------------------
 INIT_XMM sse2
 cglobal pred8x8_plane_10, 2, 7, 7
@@ -501,8 +507,8 @@ cglobal pred8x8_plane_10, 2, 7, 7
 
 
 ;-----------------------------------------------------------------------------
-; void ff_pred8x8l_128_dc(pixel *src, int has_topleft, int has_topright,
-;                         int stride)
+; void ff_pred8x8l_128_dc_10(pixel *src, int has_topleft, int has_topright,
+;                            ptrdiff_t stride)
 ;-----------------------------------------------------------------------------
 %macro PRED8x8L_128_DC 0
 cglobal pred8x8l_128_dc_10, 4, 4
@@ -526,8 +532,8 @@ INIT_XMM sse2
 PRED8x8L_128_DC
 
 ;-----------------------------------------------------------------------------
-; void ff_pred8x8l_top_dc(pixel *src, int has_topleft, int has_topright,
-;                         int stride)
+; void ff_pred8x8l_top_dc_10(pixel *src, int has_topleft, int has_topright,
+;                            ptrdiff_t stride)
 ;-----------------------------------------------------------------------------
 %macro PRED8x8L_TOP_DC 0
 cglobal pred8x8l_top_dc_10, 4, 4, 6
@@ -566,7 +572,8 @@ PRED8x8L_TOP_DC
 %endif
 
 ;-------------------------------------------------------------------------------
-; void ff_pred8x8l_dc(pixel *src, int has_topleft, int has_topright, int stride)
+; void ff_pred8x8l_dc_10(pixel *src, int has_topleft, int has_topright,
+;                        ptrdiff_t stride)
 ;-------------------------------------------------------------------------------
 ;TODO: see if scalar is faster
 %macro PRED8x8L_DC 0
@@ -625,8 +632,8 @@ PRED8x8L_DC
 %endif
 
 ;-----------------------------------------------------------------------------
-; void ff_pred8x8l_vertical(pixel *src, int has_topleft, int has_topright,
-;                           int stride)
+; void ff_pred8x8l_vertical_10(pixel *src, int has_topleft, int has_topright,
+;                              ptrdiff_t stride)
 ;-----------------------------------------------------------------------------
 %macro PRED8x8L_VERTICAL 0
 cglobal pred8x8l_vertical_10, 4, 4, 6
@@ -661,8 +668,8 @@ PRED8x8L_VERTICAL
 %endif
 
 ;-----------------------------------------------------------------------------
-; void ff_pred8x8l_horizontal(uint8_t *src, int has_topleft, int has_topright,
-;                             int stride)
+; void ff_pred8x8l_horizontal_10(uint8_t *src, int has_topleft,
+;                                int has_topright, ptrdiff_t stride)
 ;-----------------------------------------------------------------------------
 %macro PRED8x8L_HORIZONTAL 0
 cglobal pred8x8l_horizontal_10, 4, 4, 5
@@ -718,8 +725,8 @@ PRED8x8L_HORIZONTAL
 %endif
 
 ;-----------------------------------------------------------------------------
-; void ff_pred8x8l_down_left(pixel *src, int has_topleft, int has_topright,
-;                            int stride)
+; void ff_pred8x8l_down_left_10(pixel *src, int has_topleft, int has_topright,
+;                               ptrdiff_t stride)
 ;-----------------------------------------------------------------------------
 %macro PRED8x8L_DOWN_LEFT 0
 cglobal pred8x8l_down_left_10, 4, 4, 7
@@ -787,8 +794,8 @@ PRED8x8L_DOWN_LEFT
 %endif
 
 ;-----------------------------------------------------------------------------
-; void ff_pred8x8l_down_right(pixel *src, int has_topleft, int has_topright,
-;                             int stride)
+; void ff_pred8x8l_down_right_10(pixel *src, int has_topleft,
+;                                int has_topright, ptrdiff_t stride)
 ;-----------------------------------------------------------------------------
 %macro PRED8x8L_DOWN_RIGHT 0
 ; standard forbids this when has_topleft is false
@@ -862,8 +869,8 @@ PRED8x8L_DOWN_RIGHT
 %endif
 
 ;-----------------------------------------------------------------------------
-; void ff_pred8x8l_vertical_right(pixel *src, int has_topleft,
-;                                 int has_topright, int stride)
+; void ff_pred8x8l_vertical_right_10(pixel *src, int has_topleft,
+;                                    int has_topright, ptrdiff_t stride)
 ;-----------------------------------------------------------------------------
 %macro PRED8x8L_VERTICAL_RIGHT 0
 ; likewise with 8x8l_down_right
@@ -933,8 +940,8 @@ PRED8x8L_VERTICAL_RIGHT
 %endif
 
 ;-----------------------------------------------------------------------------
-; void ff_pred8x8l_horizontal_up(pixel *src, int has_topleft,
-;                                int has_topright, int stride)
+; void ff_pred8x8l_horizontal_up_10(pixel *src, int has_topleft,
+;                                   int has_topright, ptrdiff_t stride)
 ;-----------------------------------------------------------------------------
 %macro PRED8x8L_HORIZONTAL_UP 0
 cglobal pred8x8l_horizontal_up_10, 4, 4, 6
@@ -996,7 +1003,7 @@ PRED8x8L_HORIZONTAL_UP
 
 
 ;-----------------------------------------------------------------------------
-; void ff_pred16x16_vertical(pixel *src, int stride)
+; void ff_pred16x16_vertical_10(pixel *src, ptrdiff_t stride)
 ;-----------------------------------------------------------------------------
 %macro MOV16 3-5
     mova [%1+     0], %2
@@ -1032,7 +1039,7 @@ INIT_XMM sse2
 PRED16x16_VERTICAL
 
 ;-----------------------------------------------------------------------------
-; void ff_pred16x16_horizontal(pixel *src, int stride)
+; void ff_pred16x16_horizontal_10(pixel *src, ptrdiff_t stride)
 ;-----------------------------------------------------------------------------
 %macro PRED16x16_HORIZONTAL 0
 cglobal pred16x16_horizontal_10, 2, 3
@@ -1056,7 +1063,7 @@ INIT_XMM sse2
 PRED16x16_HORIZONTAL
 
 ;-----------------------------------------------------------------------------
-; void ff_pred16x16_dc(pixel *src, int stride)
+; void ff_pred16x16_dc_10(pixel *src, ptrdiff_t stride)
 ;-----------------------------------------------------------------------------
 %macro PRED16x16_DC 0
 cglobal pred16x16_dc_10, 2, 6
@@ -1102,7 +1109,7 @@ INIT_XMM sse2
 PRED16x16_DC
 
 ;-----------------------------------------------------------------------------
-; void ff_pred16x16_top_dc(pixel *src, int stride)
+; void ff_pred16x16_top_dc_10(pixel *src, ptrdiff_t stride)
 ;-----------------------------------------------------------------------------
 %macro PRED16x16_TOP_DC 0
 cglobal pred16x16_top_dc_10, 2, 3
@@ -1134,7 +1141,7 @@ INIT_XMM sse2
 PRED16x16_TOP_DC
 
 ;-----------------------------------------------------------------------------
-; void ff_pred16x16_left_dc(pixel *src, int stride)
+; void ff_pred16x16_left_dc_10(pixel *src, ptrdiff_t stride)
 ;-----------------------------------------------------------------------------
 %macro PRED16x16_LEFT_DC 0
 cglobal pred16x16_left_dc_10, 2, 6
@@ -1171,7 +1178,7 @@ INIT_XMM sse2
 PRED16x16_LEFT_DC
 
 ;-----------------------------------------------------------------------------
-; void ff_pred16x16_128_dc(pixel *src, int stride)
+; void ff_pred16x16_128_dc_10(pixel *src, ptrdiff_t stride)
 ;-----------------------------------------------------------------------------
 %macro PRED16x16_128_DC 0
 cglobal pred16x16_128_dc_10, 2,3
diff --git a/media/ffvpx/libavcodec/x86/h264_intrapred_init.c b/media/ffvpx/libavcodec/x86/h264_intrapred_init.c
index 528b92e49..bdd5125d6 100644
--- a/media/ffvpx/libavcodec/x86/h264_intrapred_init.c
+++ b/media/ffvpx/libavcodec/x86/h264_intrapred_init.c
@@ -127,6 +127,7 @@ PRED16x16(plane_svq3, 8, ssse3)
 PRED16x16(tm_vp8, 8, mmx)
 PRED16x16(tm_vp8, 8, mmxext)
 PRED16x16(tm_vp8, 8, sse2)
+PRED16x16(tm_vp8, 8, avx2)
 
 PRED8x8(top_dc, 8, mmxext)
 PRED8x8(dc_rv40, 8, mmxext)
@@ -323,6 +324,12 @@ av_cold void ff_h264_pred_init_x86(H264PredContext *h, int codec_id,
                 }
             }
         }
+
+        if(EXTERNAL_AVX2(cpu_flags)){
+            if (codec_id == AV_CODEC_ID_VP8) {
+                h->pred16x16[PLANE_PRED8x8    ] = ff_pred16x16_tm_vp8_8_avx2;
+            }
+        }
     } else if (bit_depth == 10) {
         if (EXTERNAL_MMXEXT(cpu_flags)) {
             h->pred4x4[DC_PRED             ] = ff_pred4x4_dc_10_mmxext;
diff --git a/media/ffvpx/libavcodec/x86/videodsp.asm b/media/ffvpx/libavcodec/x86/videodsp.asm
index a807d3b88..e23786070 100644
--- a/media/ffvpx/libavcodec/x86/videodsp.asm
+++ b/media/ffvpx/libavcodec/x86/videodsp.asm
@@ -114,7 +114,7 @@ cglobal emu_edge_hvar, 5, 6, 1, dst, dst_stride, start_x, n_words, h, w
 .x_loop:                                        ;   do {
     movu    [dstq+wq*2], m0                     ;     write($reg, $mmsize)
     add              wq, mmsize/2               ;     w -= $mmsize/2
-    cmp              wq, -mmsize/2              ;   } while (w > $mmsize/2)
+    cmp              wq, -(mmsize/2)            ;   } while (w > $mmsize/2)
     jl .x_loop
     movu  [dstq-mmsize], m0                     ;   write($reg, $mmsize)
     add            dstq, dst_strideq            ;   dst += dst_stride
diff --git a/media/ffvpx/libavcodec/x86/videodsp_init.c b/media/ffvpx/libavcodec/x86/videodsp_init.c
index 26e072bb1..eeebb4154 100644
--- a/media/ffvpx/libavcodec/x86/videodsp_init.c
+++ b/media/ffvpx/libavcodec/x86/videodsp_init.c
@@ -29,7 +29,7 @@
 #include "libavutil/x86/cpu.h"
 #include "libavcodec/videodsp.h"
 
-#if HAVE_YASM
+#if HAVE_X86ASM
 typedef void emu_edge_vfix_func(uint8_t *dst, x86_reg dst_stride,
                                 const uint8_t *src, x86_reg src_stride,
                                 x86_reg start_y, x86_reg end_y, x86_reg bh);
@@ -271,14 +271,14 @@ static av_noinline void emulated_edge_mc_avx2(uint8_t *buf, const uint8_t *src,
                      hfixtbl_avx2, &ff_emu_edge_hvar_avx2);
 }
 #endif /* HAVE_AVX2_EXTERNAL */
-#endif /* HAVE_YASM */
+#endif /* HAVE_X86ASM */
 
 void ff_prefetch_mmxext(uint8_t *buf, ptrdiff_t stride, int h);
 void ff_prefetch_3dnow(uint8_t *buf, ptrdiff_t stride, int h);
 
 av_cold void ff_videodsp_init_x86(VideoDSPContext *ctx, int bpc)
 {
-#if HAVE_YASM
+#if HAVE_X86ASM
     int cpu_flags = av_get_cpu_flags();
 
 #if ARCH_X86_32
@@ -305,5 +305,5 @@ av_cold void ff_videodsp_init_x86(VideoDSPContext *ctx, int bpc)
         ctx->emulated_edge_mc = emulated_edge_mc_avx2;
     }
 #endif
-#endif /* HAVE_YASM */
+#endif /* HAVE_X86ASM */
 }
diff --git a/media/ffvpx/libavcodec/x86/vp8dsp.asm b/media/ffvpx/libavcodec/x86/vp8dsp.asm
index 538b3f4a9..e303b8029 100644
--- a/media/ffvpx/libavcodec/x86/vp8dsp.asm
+++ b/media/ffvpx/libavcodec/x86/vp8dsp.asm
@@ -156,8 +156,8 @@ SECTION .text
 ;-------------------------------------------------------------------------------
 ; subpel MC functions:
 ;
-; void ff_put_vp8_epel<size>_h<htap>v<vtap>_<opt>(uint8_t *dst, int deststride,
-;                                                 uint8_t *src, int srcstride,
+; void ff_put_vp8_epel<size>_h<htap>v<vtap>_<opt>(uint8_t *dst, ptrdiff_t deststride,
+;                                                 uint8_t *src, ptrdiff_t srcstride,
 ;                                                 int height,   int mx, int my);
 ;-------------------------------------------------------------------------------
 
@@ -884,7 +884,7 @@ cglobal put_vp8_pixels16, 5, 5, 2, dst, dststride, src, srcstride, height
     REP_RET
 
 ;-----------------------------------------------------------------------------
-; void ff_vp8_idct_dc_add_<opt>(uint8_t *dst, int16_t block[16], int stride);
+; void ff_vp8_idct_dc_add_<opt>(uint8_t *dst, int16_t block[16], ptrdiff_t stride);
 ;-----------------------------------------------------------------------------
 
 %macro ADD_DC 4
@@ -906,6 +906,7 @@ cglobal put_vp8_pixels16, 5, 5, 2, dst, dststride, src, srcstride, height
     %4 [dst2q+strideq+%3], m5
 %endmacro
 
+%if ARCH_X86_32
 INIT_MMX mmx
 cglobal vp8_idct_dc_add, 3, 3, 0, dst, block, stride
     ; load data
@@ -929,8 +930,9 @@ cglobal vp8_idct_dc_add, 3, 3, 0, dst, block, stride
     lea     dst2q, [dst1q+strideq*2]
     ADD_DC     m0, m1, 0, movh
     RET
+%endif
 
-INIT_XMM sse4
+%macro VP8_IDCT_DC_ADD 0
 cglobal vp8_idct_dc_add, 3, 3, 6, dst, block, stride
     ; load data
     movd       m0, [blockq]
@@ -956,13 +958,28 @@ cglobal vp8_idct_dc_add, 3, 3, 6, dst, block, stride
     paddw      m4, m0
     packuswb   m2, m4
     movd   [dst1q], m2
+%if cpuflag(sse4)
     pextrd [dst1q+strideq], m2, 1
     pextrd [dst2q], m2, 2
     pextrd [dst2q+strideq], m2, 3
+%else
+    psrldq     m2, 4
+    movd [dst1q+strideq], m2
+    psrldq     m2, 4
+    movd [dst2q], m2
+    psrldq     m2, 4
+    movd [dst2q+strideq], m2
+%endif
     RET
+%endmacro
+
+INIT_XMM sse2
+VP8_IDCT_DC_ADD
+INIT_XMM sse4
+VP8_IDCT_DC_ADD
 
 ;-----------------------------------------------------------------------------
-; void ff_vp8_idct_dc_add4y_<opt>(uint8_t *dst, int16_t block[4][16], int stride);
+; void ff_vp8_idct_dc_add4y_<opt>(uint8_t *dst, int16_t block[4][16], ptrdiff_t stride);
 ;-----------------------------------------------------------------------------
 
 %if ARCH_X86_32
@@ -1035,7 +1052,7 @@ cglobal vp8_idct_dc_add4y, 3, 3, 6, dst, block, stride
     RET
 
 ;-----------------------------------------------------------------------------
-; void ff_vp8_idct_dc_add4uv_<opt>(uint8_t *dst, int16_t block[4][16], int stride);
+; void ff_vp8_idct_dc_add4uv_<opt>(uint8_t *dst, int16_t block[4][16], ptrdiff_t stride);
 ;-----------------------------------------------------------------------------
 
 INIT_MMX mmx
@@ -1077,7 +1094,7 @@ cglobal vp8_idct_dc_add4uv, 3, 3, 0, dst, block, stride
     RET
 
 ;-----------------------------------------------------------------------------
-; void ff_vp8_idct_add_<opt>(uint8_t *dst, int16_t block[16], int stride);
+; void ff_vp8_idct_add_<opt>(uint8_t *dst, int16_t block[16], ptrdiff_t stride);
 ;-----------------------------------------------------------------------------
 
 ; calculate %1=mul_35468(%1)-mul_20091(%2); %2=mul_20091(%1)+mul_35468(%2)
diff --git a/media/ffvpx/libavcodec/x86/vp8dsp_init.c b/media/ffvpx/libavcodec/x86/vp8dsp_init.c
index 897d5a0e7..397b2518c 100644
--- a/media/ffvpx/libavcodec/x86/vp8dsp_init.c
+++ b/media/ffvpx/libavcodec/x86/vp8dsp_init.c
@@ -26,7 +26,7 @@
 #include "libavutil/x86/cpu.h"
 #include "libavcodec/vp8dsp.h"
 
-#if HAVE_YASM
+#if HAVE_X86ASM
 
 /*
  * MC functions
@@ -233,6 +233,8 @@ HVBILIN(ssse3, 8, 16, 16)
 
 void ff_vp8_idct_dc_add_mmx(uint8_t *dst, int16_t block[16],
                             ptrdiff_t stride);
+void ff_vp8_idct_dc_add_sse2(uint8_t *dst, int16_t block[16],
+                             ptrdiff_t stride);
 void ff_vp8_idct_dc_add_sse4(uint8_t *dst, int16_t block[16],
                              ptrdiff_t stride);
 void ff_vp8_idct_dc_add4y_mmx(uint8_t *dst, int16_t block[4][16],
@@ -288,7 +290,7 @@ DECLARE_LOOP_FILTER(sse2)
 DECLARE_LOOP_FILTER(ssse3)
 DECLARE_LOOP_FILTER(sse4)
 
-#endif /* HAVE_YASM */
+#endif /* HAVE_X86ASM */
 
 #define VP8_LUMA_MC_FUNC(IDX, SIZE, OPT) \
     c->put_vp8_epel_pixels_tab[IDX][0][2] = ff_put_vp8_epel ## SIZE ## _h6_ ## OPT; \
@@ -316,7 +318,7 @@ DECLARE_LOOP_FILTER(sse4)
 
 av_cold void ff_vp78dsp_init_x86(VP8DSPContext *c)
 {
-#if HAVE_YASM
+#if HAVE_X86ASM
     int cpu_flags = av_get_cpu_flags();
 
     if (EXTERNAL_MMX(cpu_flags)) {
@@ -346,7 +348,7 @@ av_cold void ff_vp78dsp_init_x86(VP8DSPContext *c)
         c->put_vp8_bilinear_pixels_tab[0][0][0] = ff_put_vp8_pixels16_sse;
     }
 
-    if (HAVE_SSE2_EXTERNAL && cpu_flags & (AV_CPU_FLAG_SSE2 | AV_CPU_FLAG_SSE2SLOW)) {
+    if (EXTERNAL_SSE2(cpu_flags) || EXTERNAL_SSE2_SLOW(cpu_flags)) {
         VP8_LUMA_MC_FUNC(0, 16, sse2);
         VP8_MC_FUNC(1, 8, sse2);
         VP8_BILINEAR_MC_FUNC(0, 16, sse2);
@@ -361,18 +363,18 @@ av_cold void ff_vp78dsp_init_x86(VP8DSPContext *c)
         VP8_BILINEAR_MC_FUNC(1, 8, ssse3);
         VP8_BILINEAR_MC_FUNC(2, 4, ssse3);
     }
-#endif /* HAVE_YASM */
+#endif /* HAVE_X86ASM */
 }
 
 av_cold void ff_vp8dsp_init_x86(VP8DSPContext *c)
 {
-#if HAVE_YASM
+#if HAVE_X86ASM
     int cpu_flags = av_get_cpu_flags();
 
     if (EXTERNAL_MMX(cpu_flags)) {
-        c->vp8_idct_dc_add    = ff_vp8_idct_dc_add_mmx;
         c->vp8_idct_dc_add4uv = ff_vp8_idct_dc_add4uv_mmx;
 #if ARCH_X86_32
+        c->vp8_idct_dc_add    = ff_vp8_idct_dc_add_mmx;
         c->vp8_idct_dc_add4y  = ff_vp8_idct_dc_add4y_mmx;
         c->vp8_idct_add       = ff_vp8_idct_add_mmx;
         c->vp8_luma_dc_wht    = ff_vp8_luma_dc_wht_mmx;
@@ -416,7 +418,7 @@ av_cold void ff_vp8dsp_init_x86(VP8DSPContext *c)
         c->vp8_luma_dc_wht                      = ff_vp8_luma_dc_wht_sse;
     }
 
-    if (HAVE_SSE2_EXTERNAL && cpu_flags & (AV_CPU_FLAG_SSE2 | AV_CPU_FLAG_SSE2SLOW)) {
+    if (EXTERNAL_SSE2(cpu_flags) || EXTERNAL_SSE2_SLOW(cpu_flags)) {
         c->vp8_v_loop_filter_simple = ff_vp8_v_loop_filter_simple_sse2;
 
         c->vp8_v_loop_filter16y_inner = ff_vp8_v_loop_filter16y_inner_sse2;
@@ -427,6 +429,7 @@ av_cold void ff_vp8dsp_init_x86(VP8DSPContext *c)
     }
 
     if (EXTERNAL_SSE2(cpu_flags)) {
+        c->vp8_idct_dc_add            = ff_vp8_idct_dc_add_sse2;
         c->vp8_idct_dc_add4y          = ff_vp8_idct_dc_add4y_sse2;
 
         c->vp8_h_loop_filter_simple   = ff_vp8_h_loop_filter_simple_sse2;
@@ -460,5 +463,5 @@ av_cold void ff_vp8dsp_init_x86(VP8DSPContext *c)
         c->vp8_h_loop_filter16y       = ff_vp8_h_loop_filter16y_mbedge_sse4;
         c->vp8_h_loop_filter8uv       = ff_vp8_h_loop_filter8uv_mbedge_sse4;
     }
-#endif /* HAVE_YASM */
+#endif /* HAVE_X86ASM */
 }
diff --git a/media/ffvpx/libavcodec/x86/vp8dsp_loopfilter.asm b/media/ffvpx/libavcodec/x86/vp8dsp_loopfilter.asm
index 98bb6696a..caeb40526 100644
--- a/media/ffvpx/libavcodec/x86/vp8dsp_loopfilter.asm
+++ b/media/ffvpx/libavcodec/x86/vp8dsp_loopfilter.asm
@@ -43,7 +43,7 @@ cextern pb_80
 SECTION .text
 
 ;-----------------------------------------------------------------------------
-; void ff_vp8_h/v_loop_filter_simple_<opt>(uint8_t *dst, int stride, int flim);
+; void ff_vp8_h/v_loop_filter_simple_<opt>(uint8_t *dst, ptrdiff_t stride, int flim);
 ;-----------------------------------------------------------------------------
 
 ; macro called with 7 mm register indexes as argument, and 4 regular registers
@@ -429,7 +429,7 @@ INIT_XMM sse4
 SIMPLE_LOOPFILTER h, 5
 
 ;-----------------------------------------------------------------------------
-; void ff_vp8_h/v_loop_filter<size>_inner_<opt>(uint8_t *dst, [uint8_t *v,] int stride,
+; void ff_vp8_h/v_loop_filter<size>_inner_<opt>(uint8_t *dst, [uint8_t *v,] ptrdiff_t stride,
 ;                                               int flimE, int flimI, int hev_thr);
 ;-----------------------------------------------------------------------------
 
@@ -921,7 +921,7 @@ INNER_LOOPFILTER v,  8
 INNER_LOOPFILTER h,  8
 
 ;-----------------------------------------------------------------------------
-; void ff_vp8_h/v_loop_filter<size>_mbedge_<opt>(uint8_t *dst, [uint8_t *v,] int stride,
+; void ff_vp8_h/v_loop_filter<size>_mbedge_<opt>(uint8_t *dst, [uint8_t *v,] ptrdiff_t stride,
 ;                                                int flimE, int flimI, int hev_thr);
 ;-----------------------------------------------------------------------------
 
diff --git a/media/ffvpx/libavcodec/x86/vp9dsp_init.c b/media/ffvpx/libavcodec/x86/vp9dsp_init.c
index cc781a009..837cce850 100644
--- a/media/ffvpx/libavcodec/x86/vp9dsp_init.c
+++ b/media/ffvpx/libavcodec/x86/vp9dsp_init.c
@@ -27,7 +27,7 @@
 #include "libavcodec/vp9dsp.h"
 #include "libavcodec/x86/vp9dsp_init.h"
 
-#if HAVE_YASM
+#if HAVE_X86ASM
 
 decl_fpel_func(put,  4,   , mmx);
 decl_fpel_func(put,  8,   , mmx);
@@ -114,7 +114,7 @@ itxfm_func(idct, idct, 32, sse2);
 itxfm_func(idct, idct, 32, ssse3);
 itxfm_func(idct, idct, 32, avx);
 itxfm_func(iwht, iwht, 4, mmx);
-itxfm_func(idct, idct, 16, avx2);
+itxfm_funcs(16, avx2);
 itxfm_func(idct, idct, 32, avx2);
 
 #undef itxfm_func
@@ -212,11 +212,11 @@ ipred_func(32, tm, avx2);
 #undef ipred_dir_tm_funcs
 #undef ipred_dc_funcs
 
-#endif /* HAVE_YASM */
+#endif /* HAVE_X86ASM */
 
 av_cold void ff_vp9dsp_init_x86(VP9DSPContext *dsp, int bpp, int bitexact)
 {
-#if HAVE_YASM
+#if HAVE_X86ASM
     int cpu_flags;
 
     if (bpp == 10) {
@@ -391,6 +391,12 @@ av_cold void ff_vp9dsp_init_x86(VP9DSPContext *dsp, int bpp, int bitexact)
         if (ARCH_X86_64) {
 #if ARCH_X86_64 && HAVE_AVX2_EXTERNAL
             dsp->itxfm_add[TX_16X16][DCT_DCT] = ff_vp9_idct_idct_16x16_add_avx2;
+            dsp->itxfm_add[TX_16X16][ADST_DCT]  = ff_vp9_idct_iadst_16x16_add_avx2;
+            dsp->itxfm_add[TX_16X16][DCT_ADST]  = ff_vp9_iadst_idct_16x16_add_avx2;
+            dsp->itxfm_add[TX_16X16][ADST_ADST] = ff_vp9_iadst_iadst_16x16_add_avx2;
+            dsp->itxfm_add[TX_32X32][ADST_ADST] =
+            dsp->itxfm_add[TX_32X32][ADST_DCT] =
+            dsp->itxfm_add[TX_32X32][DCT_ADST] =
             dsp->itxfm_add[TX_32X32][DCT_DCT] = ff_vp9_idct_idct_32x32_add_avx2;
             init_subpel3_32_64(0, put, 8, avx2);
             init_subpel3_32_64(1, avg, 8, avx2);
@@ -406,5 +412,5 @@ av_cold void ff_vp9dsp_init_x86(VP9DSPContext *dsp, int bpp, int bitexact)
 #undef init_subpel2
 #undef init_subpel3
 
-#endif /* HAVE_YASM */
+#endif /* HAVE_X86ASM */
 }
diff --git a/media/ffvpx/libavcodec/x86/vp9dsp_init_16bpp.c b/media/ffvpx/libavcodec/x86/vp9dsp_init_16bpp.c
index eb67499c9..60d10a12a 100644
--- a/media/ffvpx/libavcodec/x86/vp9dsp_init_16bpp.c
+++ b/media/ffvpx/libavcodec/x86/vp9dsp_init_16bpp.c
@@ -27,7 +27,7 @@
 #include "libavcodec/vp9dsp.h"
 #include "libavcodec/x86/vp9dsp_init.h"
 
-#if HAVE_YASM
+#if HAVE_X86ASM
 
 decl_fpel_func(put,   8,    , mmx);
 decl_fpel_func(avg,   8, _16, mmxext);
@@ -51,6 +51,10 @@ decl_ipred_fns(h,       16, mmxext, sse2);
 decl_ipred_fns(dc,      16, mmxext, sse2);
 decl_ipred_fns(dc_top,  16, mmxext, sse2);
 decl_ipred_fns(dc_left, 16, mmxext, sse2);
+decl_ipred_fn(dl,       16,     16, avx2);
+decl_ipred_fn(dl,       32,     16, avx2);
+decl_ipred_fn(dr,       16,     16, avx2);
+decl_ipred_fn(dr,       32,     16, avx2);
 
 #define decl_ipred_dir_funcs(type) \
 decl_ipred_fns(type, 16, sse2,  sse2); \
@@ -63,11 +67,11 @@ decl_ipred_dir_funcs(vl);
 decl_ipred_dir_funcs(vr);
 decl_ipred_dir_funcs(hu);
 decl_ipred_dir_funcs(hd);
-#endif /* HAVE_YASM */
+#endif /* HAVE_X86ASM */
 
 av_cold void ff_vp9dsp_init_16bpp_x86(VP9DSPContext *dsp)
 {
-#if HAVE_YASM
+#if HAVE_X86ASM
     int cpu_flags = av_get_cpu_flags();
 
     if (EXTERNAL_MMX(cpu_flags)) {
@@ -133,7 +137,13 @@ av_cold void ff_vp9dsp_init_16bpp_x86(VP9DSPContext *dsp)
         init_fpel_func(2, 1,  32, avg, _16, avx2);
         init_fpel_func(1, 1,  64, avg, _16, avx2);
         init_fpel_func(0, 1, 128, avg, _16, avx2);
+        init_ipred_func(dl, DIAG_DOWN_LEFT, 16, 16, avx2);
+        init_ipred_func(dl, DIAG_DOWN_LEFT, 32, 16, avx2);
+        init_ipred_func(dr, DIAG_DOWN_RIGHT, 16, 16, avx2);
+#if ARCH_X86_64
+        init_ipred_func(dr, DIAG_DOWN_RIGHT, 32, 16, avx2);
+#endif
     }
 
-#endif /* HAVE_YASM */
+#endif /* HAVE_X86ASM */
 }
diff --git a/media/ffvpx/libavcodec/x86/vp9dsp_init_16bpp_template.c b/media/ffvpx/libavcodec/x86/vp9dsp_init_16bpp_template.c
index 4840b2844..b56afc7f5 100644
--- a/media/ffvpx/libavcodec/x86/vp9dsp_init_16bpp_template.c
+++ b/media/ffvpx/libavcodec/x86/vp9dsp_init_16bpp_template.c
@@ -27,7 +27,7 @@
 #include "libavcodec/vp9dsp.h"
 #include "libavcodec/x86/vp9dsp_init.h"
 
-#if HAVE_YASM
+#if HAVE_X86ASM
 
 extern const int16_t ff_filters_16bpp[3][15][4][16];
 
@@ -137,11 +137,11 @@ decl_itxfm_func(iadst, iadst, 4, BPC, sse2);
 decl_itxfm_funcs(8, BPC, sse2);
 decl_itxfm_funcs(16, BPC, sse2);
 decl_itxfm_func(idct,  idct, 32, BPC, sse2);
-#endif /* HAVE_YASM */
+#endif /* HAVE_X86ASM */
 
 av_cold void INIT_FUNC(VP9DSPContext *dsp, int bitexact)
 {
-#if HAVE_YASM
+#if HAVE_X86ASM
     int cpu_flags = av_get_cpu_flags();
 
 #define init_lpf_8_func(idx1, idx2, dir, wd, bpp, opt) \
@@ -234,7 +234,7 @@ av_cold void INIT_FUNC(VP9DSPContext *dsp, int bitexact)
 #endif
     }
 
-#endif /* HAVE_YASM */
+#endif /* HAVE_X86ASM */
 
     ff_vp9dsp_init_16bpp_x86(dsp);
 }
diff --git a/media/ffvpx/libavcodec/x86/vp9intrapred_16bpp.asm b/media/ffvpx/libavcodec/x86/vp9intrapred_16bpp.asm
index c0ac16d3e..32b698243 100644
--- a/media/ffvpx/libavcodec/x86/vp9intrapred_16bpp.asm
+++ b/media/ffvpx/libavcodec/x86/vp9intrapred_16bpp.asm
@@ -847,6 +847,108 @@ DL_FUNCS
 INIT_XMM avx
 DL_FUNCS
 
+%if HAVE_AVX2_EXTERNAL
+INIT_YMM avx2
+cglobal vp9_ipred_dl_16x16_16, 2, 4, 5, dst, stride, l, a
+    movifnidn               aq, amp
+    mova                    m0, [aq]                   ; abcdefghijklmnop
+    vpbroadcastw           xm1, [aq+30]                ; pppppppp
+    vperm2i128              m2, m0, m1, q0201          ; ijklmnoppppppppp
+    vpalignr                m3, m2, m0, 2              ; bcdefghijklmnopp
+    vpalignr                m4, m2, m0, 4              ; cdefghijklmnoppp
+    LOWPASS                  0,  3,  4                 ; BCDEFGHIJKLMNOPp
+    vperm2i128              m2, m0, m1, q0201          ; JKLMNOPppppppppp
+    DEFINE_ARGS dst, stride, stride3, cnt
+    mov                   cntd, 2
+    lea               stride3q, [strideq*3]
+
+.loop:
+    mova      [dstq+strideq*0], m0
+    vpalignr                m3, m2, m0, 2
+    vpalignr                m4, m2, m0, 4
+    mova      [dstq+strideq*1], m3
+    mova      [dstq+strideq*2], m4
+    vpalignr                m3, m2, m0, 6
+    vpalignr                m4, m2, m0, 8
+    mova      [dstq+stride3q ], m3
+    lea                   dstq, [dstq+strideq*4]
+    mova      [dstq+strideq*0], m4
+    vpalignr                m3, m2, m0, 10
+    vpalignr                m4, m2, m0, 12
+    mova      [dstq+strideq*1], m3
+    mova      [dstq+strideq*2], m4
+    vpalignr                m3, m2, m0, 14
+    mova      [dstq+stride3q ], m3
+    lea                   dstq, [dstq+strideq*4]
+    mova                    m0, m2
+    vperm2i128              m2, m2, m2, q0101          ; pppppppppppppppp
+    dec                   cntd
+    jg .loop
+    RET
+
+cglobal vp9_ipred_dl_32x32_16, 2, 6, 7, dst, stride, l, a
+    movifnidn               aq, amp
+    mova                    m0, [aq+mmsize*0+ 0]       ; abcdefghijklmnop
+    mova                    m1, [aq+mmsize*1+ 0]       ; qrstuvwxyz012345
+    vpbroadcastw           xm4, [aq+mmsize*1+30]       ; 55555555
+    vperm2i128              m5, m0, m1, q0201          ; ijklmnopqrstuvwx
+    vpalignr                m2, m5, m0, 2              ; bcdefghijklmnopq
+    vpalignr                m3, m5, m0, 4              ; cdefghijklmnopqr
+    LOWPASS                  0,  2,  3                 ; BCDEFGHIJKLMNOPQ
+    vperm2i128              m5, m1, m4, q0201          ; yz01234555555555
+    vpalignr                m2, m5, m1, 2              ; rstuvwxyz0123455
+    vpalignr                m3, m5, m1, 4              ; stuvwxyz01234555
+    LOWPASS                  1,  2,  3                 ; RSTUVWXYZ......5
+    vperm2i128              m2, m1, m4, q0201          ; Z......555555555
+    vperm2i128              m5, m0, m1, q0201          ; JKLMNOPQRSTUVWXY
+    DEFINE_ARGS dst, stride, stride3, cnt
+    lea               stride3q, [strideq*3]
+    mov                   cntd, 4
+
+.loop:
+    mova   [dstq+strideq*0 + 0], m0
+    mova   [dstq+strideq*0 +32], m1
+    vpalignr                 m3, m5, m0, 2
+    vpalignr                 m4, m2, m1, 2
+    mova   [dstq+strideq*1 + 0], m3
+    mova   [dstq+strideq*1 +32], m4
+    vpalignr                 m3, m5, m0, 4
+    vpalignr                 m4, m2, m1, 4
+    mova   [dstq+strideq*2 + 0], m3
+    mova   [dstq+strideq*2 +32], m4
+    vpalignr                 m3, m5, m0, 6
+    vpalignr                 m4, m2, m1, 6
+    mova   [dstq+stride3q*1+ 0], m3
+    mova   [dstq+stride3q*1+32], m4
+    lea                    dstq, [dstq+strideq*4]
+    vpalignr                 m3, m5, m0, 8
+    vpalignr                 m4, m2, m1, 8
+    mova   [dstq+strideq*0 + 0], m3
+    mova   [dstq+strideq*0 +32], m4
+    vpalignr                 m3, m5, m0, 10
+    vpalignr                 m4, m2, m1, 10
+    mova   [dstq+strideq*1 + 0], m3
+    mova   [dstq+strideq*1 +32], m4
+    vpalignr                 m3, m5, m0, 12
+    vpalignr                 m4, m2, m1, 12
+    mova   [dstq+strideq*2+ 0], m3
+    mova   [dstq+strideq*2+32], m4
+    vpalignr                 m3, m5, m0, 14
+    vpalignr                 m4, m2, m1, 14
+    mova   [dstq+stride3q+  0], m3
+    mova   [dstq+stride3q+ 32], m4
+    vpalignr                 m3, m5, m0, 16
+    vpalignr                 m4, m2, m1, 16
+    vperm2i128               m5, m3, m4, q0201
+    vperm2i128               m2, m4, m4, q0101
+    mova                     m0, m3
+    mova                     m1, m4
+    lea                    dstq, [dstq+strideq*4]
+    dec                    cntd
+    jg .loop
+    RET
+%endif
+
 %macro DR_FUNCS 1 ; stack_mem_for_32x32_32bit_function
 cglobal vp9_ipred_dr_4x4_16, 4, 4, 3, dst, stride, l, a
     movh                    m0, [lq]                ; wxyz....
@@ -1068,6 +1170,161 @@ DR_FUNCS 2
 INIT_XMM avx
 DR_FUNCS 2
 
+%if HAVE_AVX2_EXTERNAL
+INIT_YMM avx2
+cglobal vp9_ipred_dr_16x16_16, 4, 5, 6, dst, stride, l, a
+    mova                    m0, [lq]                   ; klmnopqrstuvwxyz
+    movu                    m1, [aq-2]                 ; *abcdefghijklmno
+    mova                    m2, [aq]                   ; abcdefghijklmnop
+    vperm2i128              m4, m2, m2, q2001          ; ijklmnop........
+    vpalignr                m5, m4, m2, 2              ; bcdefghijklmnop.
+    vperm2i128              m3, m0, m1, q0201          ; stuvwxyz*abcdefg
+    LOWPASS                  1,  2,  5                 ; ABCDEFGHIJKLMNO.
+    vpalignr                m4, m3, m0, 2              ; lmnopqrstuvwxyz*
+    vpalignr                m5, m3, m0, 4              ; mnopqrstuvwxyz*a
+    LOWPASS                  0,  4,  5                 ; LMNOPQRSTUVWXYZ#
+    vperm2i128              m5, m0, m1, q0201          ; TUVWXYZ#ABCDEFGH
+    DEFINE_ARGS dst, stride, stride3, stride5, dst3
+    lea                  dst3q, [dstq+strideq*4]
+    lea               stride3q, [strideq*3]
+    lea               stride5q, [stride3q+strideq*2]
+
+    vpalignr                m3, m5, m0, 2
+    vpalignr                m4, m1, m5, 2
+    mova    [dst3q+stride5q*2], m3                     ; 14
+    mova    [ dstq+stride3q*2], m4                     ; 6
+    vpalignr                m3, m5, m0, 4
+    vpalignr                m4, m1, m5, 4
+    sub                  dst3q, strideq
+    mova    [dst3q+stride5q*2], m3                     ; 13
+    mova    [dst3q+strideq*2 ], m4                     ; 5
+    mova    [dst3q+stride3q*4], m0                     ; 15
+    vpalignr                m3, m5, m0, 6
+    vpalignr                m4, m1, m5, 6
+    mova     [dstq+stride3q*4], m3                     ; 12
+    mova     [dst3q+strideq*1], m4                     ; 4
+    vpalignr                m3, m5, m0, 8
+    vpalignr                m4, m1, m5, 8
+    mova     [dst3q+strideq*8], m3                     ; 11
+    mova     [dst3q+strideq*0], m4                     ; 3
+    vpalignr                m3, m5, m0, 10
+    vpalignr                m4, m1, m5, 10
+    mova     [dstq+stride5q*2], m3                     ; 10
+    mova     [dstq+strideq*2 ], m4                     ; 2
+    vpalignr                m3, m5, m0, 12
+    vpalignr                m4, m1, m5, 12
+    mova    [dst3q+stride3q*2], m3                     ; 9
+    mova     [dstq+strideq*1 ], m4                     ; 1
+    vpalignr                m3, m5, m0, 14
+    vpalignr                m4, m1, m5, 14
+    mova      [dstq+strideq*8], m3                     ; 8
+    mova      [dstq+strideq*0], m4                     ; 0
+    mova     [dst3q+strideq*4], m5                     ; 7
+    RET
+
+%if ARCH_X86_64
+cglobal vp9_ipred_dr_32x32_16, 4, 7, 10, dst, stride, l, a
+    mova                    m0, [lq+mmsize*0+0]        ; l[0-15]
+    mova                    m1, [lq+mmsize*1+0]        ; l[16-31]
+    movu                    m2, [aq+mmsize*0-2]        ; *abcdefghijklmno
+    mova                    m3, [aq+mmsize*0+0]        ; abcdefghijklmnop
+    mova                    m4, [aq+mmsize*1+0]        ; qrstuvwxyz012345
+    vperm2i128              m5, m0, m1, q0201          ; lmnopqrstuvwxyz0
+    vpalignr                m6, m5, m0, 2              ; mnopqrstuvwxyz01
+    vpalignr                m7, m5, m0, 4              ; nopqrstuvwxyz012
+    LOWPASS                  0,  6,  7                 ; L[0-15]
+    vperm2i128              m7, m1, m2, q0201          ; stuvwxyz*abcdefg
+    vpalignr                m5, m7, m1, 2              ; lmnopqrstuvwxyz*
+    vpalignr                m6, m7, m1, 4              ; mnopqrstuvwxyz*a
+    LOWPASS                  1,  5,  6                 ; L[16-31]#
+    vperm2i128              m5, m3, m4, q0201          ; ijklmnopqrstuvwx
+    vpalignr                m6, m5, m3, 2              ; bcdefghijklmnopq
+    LOWPASS                  2,  3,  6                 ; A[0-15]
+    movu                    m3, [aq+mmsize*1-2]        ; pqrstuvwxyz01234
+    vperm2i128              m6, m4, m4, q2001          ; yz012345........
+    vpalignr                m7, m6, m4, 2              ; rstuvwxyz012345.
+    LOWPASS                  3,  4,  7                 ; A[16-31].
+    vperm2i128              m4, m1, m2, q0201          ; TUVWXYZ#ABCDEFGH
+    vperm2i128              m5, m0, m1, q0201          ; L[7-15]L[16-23]
+    vperm2i128              m8, m2, m3, q0201          ; IJKLMNOPQRSTUVWX
+    DEFINE_ARGS dst8, stride, stride3, stride7, stride5, dst24, cnt
+    lea               stride3q, [strideq*3]
+    lea               stride5q, [stride3q+strideq*2]
+    lea               stride7q, [strideq*4+stride3q]
+    lea                 dst24q, [dst8q+stride3q*8]
+    lea                  dst8q, [dst8q+strideq*8]
+    mov                   cntd, 2
+
+.loop:
+    mova  [dst24q+stride7q+0 ], m0                     ; 31 23 15 7
+    mova  [dst24q+stride7q+32], m1
+    mova    [dst8q+stride7q+0], m1
+    mova   [dst8q+stride7q+32], m2
+    vpalignr                m6, m4, m1, 2
+    vpalignr                m7, m5, m0, 2
+    vpalignr                m9, m8, m2, 2
+    mova [dst24q+stride3q*2+0], m7                     ; 30 22 14 6
+    mova [dst24q+stride3q*2+32], m6
+    mova  [dst8q+stride3q*2+0], m6
+    mova [dst8q+stride3q*2+32], m9
+    vpalignr                m6, m4, m1, 4
+    vpalignr                m7, m5, m0, 4
+    vpalignr                m9, m8, m2, 4
+    mova   [dst24q+stride5q+0], m7                     ; 29 21 13 5
+    mova  [dst24q+stride5q+32], m6
+    mova    [dst8q+stride5q+0], m6
+    mova   [dst8q+stride5q+32], m9
+    vpalignr                m6, m4, m1, 6
+    vpalignr                m7, m5, m0, 6
+    vpalignr                m9, m8, m2, 6
+    mova [dst24q+strideq*4+0 ], m7                     ; 28 20 12 4
+    mova [dst24q+strideq*4+32], m6
+    mova   [dst8q+strideq*4+0], m6
+    mova  [dst8q+strideq*4+32], m9
+    vpalignr                m6, m4, m1, 8
+    vpalignr                m7, m5, m0, 8
+    vpalignr                m9, m8, m2, 8
+    mova  [dst24q+stride3q+0 ], m7                     ; 27 19 11 3
+    mova  [dst24q+stride3q+32], m6
+    mova    [dst8q+stride3q+0], m6
+    mova   [dst8q+stride3q+32], m9
+    vpalignr                m6, m4, m1, 10
+    vpalignr                m7, m5, m0, 10
+    vpalignr                m9, m8, m2, 10
+    mova [dst24q+strideq*2+0 ], m7                     ; 26 18 10 2
+    mova [dst24q+strideq*2+32], m6
+    mova   [dst8q+strideq*2+0], m6
+    mova  [dst8q+strideq*2+32], m9
+    vpalignr                m6, m4, m1, 12
+    vpalignr                m7, m5, m0, 12
+    vpalignr                m9, m8, m2, 12
+    mova   [dst24q+strideq+0 ], m7                     ; 25 17 9 1
+    mova   [dst24q+strideq+32], m6
+    mova     [dst8q+strideq+0], m6
+    mova    [dst8q+strideq+32], m9
+    vpalignr                m6, m4, m1, 14
+    vpalignr                m7, m5, m0, 14
+    vpalignr                m9, m8, m2, 14
+    mova [dst24q+strideq*0+0 ], m7                     ; 24 16 8 0
+    mova [dst24q+strideq*0+32], m6
+    mova   [dst8q+strideq*0+0], m6
+    mova  [dst8q+strideq*0+32], m9
+    mova                    m0, m5
+    mova                    m5, m1
+    mova                    m1, m4
+    mova                    m4, m2
+    mova                    m2, m8
+    mova                    m8, m3
+    sub                 dst24q, stride7q
+    sub                 dst24q, strideq
+    sub                  dst8q, stride7q
+    sub                  dst8q, strideq
+    dec                   cntd
+    jg .loop
+    RET
+%endif
+%endif
+
 %macro VL_FUNCS 1 ; stack_mem_for_32x32_32bit_function
 cglobal vp9_ipred_vl_4x4_16, 2, 4, 3, dst, stride, l, a
     movifnidn               aq, amp
diff --git a/media/ffvpx/libavcodec/x86/vp9itxfm.asm b/media/ffvpx/libavcodec/x86/vp9itxfm.asm
index 57d6d353b..2c63fe514 100644
--- a/media/ffvpx/libavcodec/x86/vp9itxfm.asm
+++ b/media/ffvpx/libavcodec/x86/vp9itxfm.asm
@@ -1581,33 +1581,30 @@ cglobal vp9_idct_idct_16x16_add, 4, 4, 16, dst, stride, block, eob
     VP9_IDCT16_YMM_1D
 
     mova      [blockq+224], m7
-    mova      [blockq+480], m15
-    pxor               m15, m15
 
     ; store
-    VP9_IDCT8_WRITEx2    0,  1, 6, 7, 15, [pw_512], 6
+    VP9_IDCT8_WRITEx2    0,  1, 6, 7, unused, [pw_512], 6
     lea               dstq, [dstq+2*strideq]
-    VP9_IDCT8_WRITEx2    2,  3, 6, 7, 15, [pw_512], 6
+    VP9_IDCT8_WRITEx2    2,  3, 6, 7, unused, [pw_512], 6
     lea               dstq, [dstq+2*strideq]
-    VP9_IDCT8_WRITEx2    4,  5, 6, 7, 15, [pw_512], 6
+    VP9_IDCT8_WRITEx2    4,  5, 6, 7, unused, [pw_512], 6
     lea               dstq, [dstq+2*strideq]
     mova                m6, [blockq+192]
     mova                m7, [blockq+224]
-    SWAP                 0, 15
-    mova               m15, [blockq+480]
-    VP9_IDCT8_WRITEx2    6,  7, 1, 2, 0, [pw_512], 6
+    VP9_IDCT8_WRITEx2    6,  7, 1, 2, unused, [pw_512], 6
     lea               dstq, [dstq+2*strideq]
-    VP9_IDCT8_WRITEx2    8,  9, 1, 2, 0, [pw_512], 6
+    VP9_IDCT8_WRITEx2    8,  9, 1, 2, unused, [pw_512], 6
     lea               dstq, [dstq+2*strideq]
-    VP9_IDCT8_WRITEx2   10, 11, 1, 2, 0, [pw_512], 6
+    VP9_IDCT8_WRITEx2   10, 11, 1, 2, unused, [pw_512], 6
     lea               dstq, [dstq+2*strideq]
-    VP9_IDCT8_WRITEx2   12, 13, 1, 2, 0, [pw_512], 6
+    VP9_IDCT8_WRITEx2   12, 13, 1, 2, unused, [pw_512], 6
     lea               dstq, [dstq+2*strideq]
-    VP9_IDCT8_WRITEx2   14, 15, 1, 2, 0, [pw_512], 6
+    VP9_IDCT8_WRITEx2   14, 15, 1, 2, unused, [pw_512], 6
     lea               dstq, [dstq+2*strideq]
 
     ; at the end of the loop, m0 should still be zero
     ; use that to zero out block coefficients
+    pxor                m0, m0
     ZERO_BLOCK      blockq, 32, 16, m0
     RET
 %endif
@@ -1987,6 +1984,173 @@ IADST16_FN idct,  IDCT16,  iadst, IADST16, avx
 IADST16_FN iadst, IADST16, idct,  IDCT16,  avx
 IADST16_FN iadst, IADST16, iadst, IADST16, avx
 
+; in: data in m[0-15] except m0/m4, which are in [blockq+0] and [blockq+128]
+; out: m[0-15] except m6, which is in [blockq+192]
+; uses blockq as scratch space
+%macro VP9_IADST16_YMM_1D 0
+    mova          [blockq+ 32], m3
+    mova          [blockq+ 64], m7
+    mova          [blockq+ 96], m8
+
+    ; first half of round 1
+    VP9_UNPACK_MULSUB_2D_4X  9,  6,  0,  3, 13160,  9760    ; m9/x=t7[d], m6/x=t6[d]
+    VP9_UNPACK_MULSUB_2D_4X  1, 14,  4,  7,  2404, 16207    ; m1/x=t15[d], m14/x=t14[d]
+    VP9_RND_SH_SUMSUB_BA    14,  6,  7,  3,  8, [pd_8192]   ; m14=t6[w], m6=t14[w]
+    VP9_RND_SH_SUMSUB_BA     1,  9,  4,  0,  8, [pd_8192]   ; m1=t7[w], m9=t15[w]
+
+    VP9_UNPACK_MULSUB_2D_4X 13,  2,  4,  7, 15893,  3981    ; m13/x=t3[d], m2/x=t2[d]
+    VP9_UNPACK_MULSUB_2D_4X  5, 10,  0,  3,  8423, 14053    ; m5/x=t11[d], m10/x=t10[d]
+    VP9_RND_SH_SUMSUB_BA    10,  2,  3,  7,  8, [pd_8192]   ; m10=t2[w], m2=t10[w]
+    VP9_RND_SH_SUMSUB_BA     5, 13,  0,  4,  8, [pd_8192]   ; m5=t3[w], m13=t11[w]
+
+    ; half of round 2 t8-15
+    VP9_UNPACK_MULSUB_2D_4X  2, 13,  4,  7,  9102, 13623    ; m2/x=t11[d], m13/x=t10[d]
+    VP9_UNPACK_MULSUB_2D_4X  9,  6,  3,  0, 13623,  9102    ; m9/x=t14[d], m6/x=t15[d]
+    VP9_RND_SH_SUMSUB_BA     9, 13,  3,  7,  8, [pd_8192]   ; m9=t10[w], m13=t14[w]
+    VP9_RND_SH_SUMSUB_BA     6,  2,  0,  4,  8, [pd_8192]   ; m6=t11[w], m2=t15[w]
+
+    SUMSUB_BA            w, 14, 10,  8                      ; m14=t2, m10=t6
+    SUMSUB_BA            w,  1,  5,  8                      ; m1=t3, m5=t7
+
+    mova                    m0, [blockq+  0]
+    mova                    m4, [blockq+128]
+    mova                    m3, [blockq+ 32]
+    mova                    m7, [blockq+ 64]
+    mova                    m8, [blockq+ 96]
+    mova          [blockq+  0], m1
+    mova          [blockq+128], m14
+    mova          [blockq+ 32], m6
+    mova          [blockq+ 64], m9
+    mova          [blockq+ 96], m10
+
+    ; second half of round 1
+    VP9_UNPACK_MULSUB_2D_4X 15,  0,  1,  9, 16364,   804    ; m15/x=t1[d], m0/x=t0[d]
+    VP9_UNPACK_MULSUB_2D_4X  7,  8, 10,  6, 11003, 12140    ; m7/x=t9[d], m8/x=t8[d]
+    VP9_RND_SH_SUMSUB_BA     8,  0,  6,  9, 14, [pd_8192]   ; m8=t0[w], m0=t8[w]
+    VP9_RND_SH_SUMSUB_BA     7, 15, 10,  1, 14, [pd_8192]   ; m7=t1[w], m15=t9[w]
+
+    VP9_UNPACK_MULSUB_2D_4X 11,  4, 10,  6, 14811,  7005    ; m11/x=t5[d], m4/x=t4[d]
+    VP9_UNPACK_MULSUB_2D_4X  3, 12,  1,  9,  5520, 15426    ; m3/x=t13[d], m12/x=t12[d]
+    VP9_RND_SH_SUMSUB_BA    12,  4,  9,  6, 14, [pd_8192]   ; m12=t4[w], m4=t12[w]
+    VP9_RND_SH_SUMSUB_BA     3, 11,  1, 10, 14, [pd_8192]   ; m3=t5[w], m11=t13[w]
+
+    ; second half of round 2 t8-15
+    VP9_UNPACK_MULSUB_2D_4X  0, 15,  6, 10, 16069,  3196    ; m15/x=t8[d], m0/x=t9[d]
+    VP9_UNPACK_MULSUB_2D_4X 11,  4,  9,  1,  3196, 16069    ; m11/x=t12[d], m4/x=t13[d]
+    VP9_RND_SH_SUMSUB_BA    11, 15,  9, 10, 14, [pd_8192]   ; m11=t8[w], m15=t12[w]
+    VP9_RND_SH_SUMSUB_BA     4,  0,  1,  6, 14, [pd_8192]   ; m4=t9[w], m0=t13[w]
+
+    SUMSUB_BA            w, 12,  8, 14                      ; m12=t0, m8=t4
+    SUMSUB_BA            w,  3,  7, 14                      ; m3=t1, m7=t5
+
+    mova                   m10, [blockq+ 96]
+    mova          [blockq+ 96], m12
+
+    ; round 3
+    VP9_UNPACK_MULSUB_2D_4X 15,  0,  9, 12, 15137,  6270    ; m15/x=t13[d], m0/x=t12[d]
+    VP9_UNPACK_MULSUB_2D_4X  2, 13,  1,  6,  6270, 15137    ; m2/x=t14[d], m13/x=t15[d]
+    VP9_RND_SH_SUMSUB_BA     2,  0,  1, 12, 14, [pd_8192]   ; m2=out2[w], m0=t14a[w]
+    VP9_RND_SH_SUMSUB_BA    13, 15,  6,  9, 14, [pd_8192]
+    PSIGNW                 m13, [pw_m1]                     ; m13=out13[w], m15=t15a[w]
+
+    VP9_UNPACK_MULSUB_2D_4X  8,  7, 12,  9, 15137,  6270    ; m8/x=t5[d], m7/x=t4[d]
+    VP9_UNPACK_MULSUB_2D_4X  5, 10,  1,  6,  6270, 15137    ; m5/x=t6[d], m10/x=t7[d]
+    VP9_RND_SH_SUMSUB_BA     5,  7,  1,  9, 14, [pd_8192]
+    PSIGNW                  m5, [pw_m1]                     ; m5=out3[w], m7=t6[w]
+    VP9_RND_SH_SUMSUB_BA    10,  8,  6, 12, 14, [pd_8192]   ; m10=out12[w], m8=t7[w]
+
+    mova                    m1, [blockq+  0]
+    mova                   m14, [blockq+128]
+    mova                    m6, [blockq+ 32]
+    mova                    m9, [blockq+ 64]
+    mova                   m12, [blockq+ 96]
+    mova          [blockq+  0], m10
+    mova          [blockq+128], m5
+
+    SUMSUB_BA            w, 14, 12,  5                      ; m14=out0, m12=t2a
+    SUMSUB_BA            w,  1,  3,  5
+    PSIGNW                  m1, [pw_m1]                     ; m1=out15, m3=t3a
+
+    SUMSUB_BA            w,  9, 11,  5
+    PSIGNW                  m9, [pw_m1]                     ; m9=out1, m11=t10
+    SUMSUB_BA            w,  6,  4,  5                      ; m6=out14, m4=t11
+
+    VP9_UNPACK_MULSUB_2W_4X  4, 11, 11585, 11585, [pd_8192],  5, 10 ; m4=out9, m11=out6
+    mova                    m5, [blockq+128]
+    mova          [blockq+192], m11
+    PSIGNW                 m15, [pw_m1]
+    VP9_UNPACK_MULSUB_2W_4X 15,  0, 11585, 11585, [pd_8192], 10, 11 ; m15=out5, m0=out10
+
+    PSIGNW                  m3, [pw_m1]
+    VP9_UNPACK_MULSUB_2W_4X  3, 12, 11585, 11585, [pd_8192], 10, 11 ; m3=out7,m12=out8
+    VP9_UNPACK_MULSUB_2W_4X  8,  7, 11585, 11585, [pd_8192], 10, 11 ; m8=out11,m7=out4
+
+    mova                   m10, [blockq+  0]
+
+    SWAP                     0, 14,  6, 11,  8, 12, 10
+    SWAP                     1,  9, 15,  4,  7,  3,  5
+    SWAP                     5,  9, 15
+%endmacro
+
+%if ARCH_X86_64 && HAVE_AVX2_EXTERNAL
+%macro IADST16_YMM_FN 4
+INIT_YMM avx2
+cglobal vp9_%1_%3_16x16_add, 4, 4, 16, dst, stride, block, eob
+    mova                m1, [blockq+ 32]
+    mova                m2, [blockq+ 64]
+    mova                m3, [blockq+ 96]
+    mova                m5, [blockq+160]
+    mova                m6, [blockq+192]
+    mova                m7, [blockq+224]
+    mova                m8, [blockq+256]
+    mova                m9, [blockq+288]
+    mova               m10, [blockq+320]
+    mova               m11, [blockq+352]
+    mova               m12, [blockq+384]
+    mova               m13, [blockq+416]
+    mova               m14, [blockq+448]
+    mova               m15, [blockq+480]
+
+    VP9_%2_YMM_1D
+    TRANSPOSE16x16W      0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, \
+                         [blockq+192], [blockq+128], 1
+    mova      [blockq+  0], m0
+    VP9_%4_YMM_1D
+
+    mova      [blockq+224], m7
+
+    ; store
+    VP9_IDCT8_WRITEx2    0,  1, 6, 7, unused, [pw_512], 6
+    lea               dstq, [dstq+2*strideq]
+    VP9_IDCT8_WRITEx2    2,  3, 6, 7, unused, [pw_512], 6
+    lea               dstq, [dstq+2*strideq]
+    VP9_IDCT8_WRITEx2    4,  5, 6, 7, unused, [pw_512], 6
+    lea               dstq, [dstq+2*strideq]
+    mova                m6, [blockq+192]
+    mova                m7, [blockq+224]
+    VP9_IDCT8_WRITEx2    6,  7, 1, 2, unused, [pw_512], 6
+    lea               dstq, [dstq+2*strideq]
+    VP9_IDCT8_WRITEx2    8,  9, 1, 2, unused, [pw_512], 6
+    lea               dstq, [dstq+2*strideq]
+    VP9_IDCT8_WRITEx2   10, 11, 1, 2, unused, [pw_512], 6
+    lea               dstq, [dstq+2*strideq]
+    VP9_IDCT8_WRITEx2   12, 13, 1, 2, unused, [pw_512], 6
+    lea               dstq, [dstq+2*strideq]
+    VP9_IDCT8_WRITEx2   14, 15, 1, 2, unused, [pw_512], 6
+    lea               dstq, [dstq+2*strideq]
+
+    ; at the end of the loop, m0 should still be zero
+    ; use that to zero out block coefficients
+    pxor                m0, m0
+    ZERO_BLOCK      blockq, 32, 16, m0
+    RET
+%endmacro
+
+IADST16_YMM_FN idct,  IDCT16,  iadst, IADST16
+IADST16_YMM_FN iadst, IADST16, idct,  IDCT16
+IADST16_YMM_FN iadst, IADST16, iadst, IADST16
+%endif
+
 ;---------------------------------------------------------------------------------------------
 ; void vp9_idct_idct_32x32_add_<opt>(uint8_t *dst, ptrdiff_t stride, int16_t *block, int eob);
 ;---------------------------------------------------------------------------------------------
diff --git a/media/ffvpx/libavcodec/x86/vp9mc.asm b/media/ffvpx/libavcodec/x86/vp9mc.asm
index 9152ba541..f64161b2c 100644
--- a/media/ffvpx/libavcodec/x86/vp9mc.asm
+++ b/media/ffvpx/libavcodec/x86/vp9mc.asm
@@ -1,5 +1,5 @@
 ;******************************************************************************
-;* VP9 MC SIMD optimizations
+;* VP9 motion compensation SIMD optimizations
 ;*
 ;* Copyright (c) 2013 Ronald S. Bultje <rsbultje gmail com>
 ;*
@@ -440,9 +440,8 @@ cglobal vp9_%1_8tap_1d_v_ %+ %%px %+ _8, 4, 7, 11, dst, dstride, src, sstride, f
     mova       m10, [filteryq+96]
 %endif
 .loop:
-    ; FIXME maybe reuse loads from previous rows, or just
-    ; more generally unroll this to prevent multiple loads of
-    ; the same data?
+    ; FIXME maybe reuse loads from previous rows, or just more generally
+    ; unroll this to prevent multiple loads of the same data?
     movh        m0, [srcq]
     movh        m1, [srcq+sstrideq]
     movh        m2, [srcq+sstrideq*2]