/* * 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 */