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-rw-r--r--media/libvpx/vp8/decoder/onyxd_if.c505
1 files changed, 505 insertions, 0 deletions
diff --git a/media/libvpx/vp8/decoder/onyxd_if.c b/media/libvpx/vp8/decoder/onyxd_if.c
new file mode 100644
index 000000000..9015fcbb4
--- /dev/null
+++ b/media/libvpx/vp8/decoder/onyxd_if.c
@@ -0,0 +1,505 @@
+/*
+ * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+
+#include "vp8/common/onyxc_int.h"
+#if CONFIG_POSTPROC
+#include "vp8/common/postproc.h"
+#endif
+#include "vp8/common/onyxd.h"
+#include "onyxd_int.h"
+#include "vpx_mem/vpx_mem.h"
+#include "vp8/common/alloccommon.h"
+#include "vp8/common/loopfilter.h"
+#include "vp8/common/swapyv12buffer.h"
+#include "vp8/common/threading.h"
+#include "decoderthreading.h"
+#include <stdio.h>
+#include <assert.h>
+
+#include "vp8/common/quant_common.h"
+#include "./vpx_scale_rtcd.h"
+#include "vpx_scale/vpx_scale.h"
+#include "vp8/common/systemdependent.h"
+#include "vpx_ports/vpx_timer.h"
+#include "detokenize.h"
+#if CONFIG_ERROR_CONCEALMENT
+#include "error_concealment.h"
+#endif
+#if ARCH_ARM
+#include "vpx_ports/arm.h"
+#endif
+
+extern void vp8_init_loop_filter(VP8_COMMON *cm);
+extern void vp8cx_init_de_quantizer(VP8D_COMP *pbi);
+static int get_free_fb (VP8_COMMON *cm);
+static void ref_cnt_fb (int *buf, int *idx, int new_idx);
+
+static void remove_decompressor(VP8D_COMP *pbi)
+{
+#if CONFIG_ERROR_CONCEALMENT
+ vp8_de_alloc_overlap_lists(pbi);
+#endif
+ vp8_remove_common(&pbi->common);
+ vpx_free(pbi);
+}
+
+static struct VP8D_COMP * create_decompressor(VP8D_CONFIG *oxcf)
+{
+ VP8D_COMP *pbi = vpx_memalign(32, sizeof(VP8D_COMP));
+
+ if (!pbi)
+ return NULL;
+
+ memset(pbi, 0, sizeof(VP8D_COMP));
+
+ if (setjmp(pbi->common.error.jmp))
+ {
+ pbi->common.error.setjmp = 0;
+ remove_decompressor(pbi);
+ return 0;
+ }
+
+ pbi->common.error.setjmp = 1;
+
+ vp8_create_common(&pbi->common);
+
+ pbi->common.current_video_frame = 0;
+ pbi->ready_for_new_data = 1;
+
+ /* vp8cx_init_de_quantizer() is first called here. Add check in frame_init_dequantizer() to avoid
+ * unnecessary calling of vp8cx_init_de_quantizer() for every frame.
+ */
+ vp8cx_init_de_quantizer(pbi);
+
+ vp8_loop_filter_init(&pbi->common);
+
+ pbi->common.error.setjmp = 0;
+
+#if CONFIG_ERROR_CONCEALMENT
+ pbi->ec_enabled = oxcf->error_concealment;
+ pbi->overlaps = NULL;
+#else
+ (void)oxcf;
+ pbi->ec_enabled = 0;
+#endif
+ /* Error concealment is activated after a key frame has been
+ * decoded without errors when error concealment is enabled.
+ */
+ pbi->ec_active = 0;
+
+ pbi->decoded_key_frame = 0;
+
+ /* Independent partitions is activated when a frame updates the
+ * token probability table to have equal probabilities over the
+ * PREV_COEF context.
+ */
+ pbi->independent_partitions = 0;
+
+ vp8_setup_block_dptrs(&pbi->mb);
+
+ return pbi;
+}
+
+vpx_codec_err_t vp8dx_get_reference(VP8D_COMP *pbi, enum vpx_ref_frame_type ref_frame_flag, YV12_BUFFER_CONFIG *sd)
+{
+ VP8_COMMON *cm = &pbi->common;
+ int ref_fb_idx;
+
+ if (ref_frame_flag == VP8_LAST_FRAME)
+ ref_fb_idx = cm->lst_fb_idx;
+ else if (ref_frame_flag == VP8_GOLD_FRAME)
+ ref_fb_idx = cm->gld_fb_idx;
+ else if (ref_frame_flag == VP8_ALTR_FRAME)
+ ref_fb_idx = cm->alt_fb_idx;
+ else{
+ vpx_internal_error(&pbi->common.error, VPX_CODEC_ERROR,
+ "Invalid reference frame");
+ return pbi->common.error.error_code;
+ }
+
+ if(cm->yv12_fb[ref_fb_idx].y_height != sd->y_height ||
+ cm->yv12_fb[ref_fb_idx].y_width != sd->y_width ||
+ cm->yv12_fb[ref_fb_idx].uv_height != sd->uv_height ||
+ cm->yv12_fb[ref_fb_idx].uv_width != sd->uv_width){
+ vpx_internal_error(&pbi->common.error, VPX_CODEC_ERROR,
+ "Incorrect buffer dimensions");
+ }
+ else
+ vp8_yv12_copy_frame(&cm->yv12_fb[ref_fb_idx], sd);
+
+ return pbi->common.error.error_code;
+}
+
+
+vpx_codec_err_t vp8dx_set_reference(VP8D_COMP *pbi, enum vpx_ref_frame_type ref_frame_flag, YV12_BUFFER_CONFIG *sd)
+{
+ VP8_COMMON *cm = &pbi->common;
+ int *ref_fb_ptr = NULL;
+ int free_fb;
+
+ if (ref_frame_flag == VP8_LAST_FRAME)
+ ref_fb_ptr = &cm->lst_fb_idx;
+ else if (ref_frame_flag == VP8_GOLD_FRAME)
+ ref_fb_ptr = &cm->gld_fb_idx;
+ else if (ref_frame_flag == VP8_ALTR_FRAME)
+ ref_fb_ptr = &cm->alt_fb_idx;
+ else{
+ vpx_internal_error(&pbi->common.error, VPX_CODEC_ERROR,
+ "Invalid reference frame");
+ return pbi->common.error.error_code;
+ }
+
+ if(cm->yv12_fb[*ref_fb_ptr].y_height != sd->y_height ||
+ cm->yv12_fb[*ref_fb_ptr].y_width != sd->y_width ||
+ cm->yv12_fb[*ref_fb_ptr].uv_height != sd->uv_height ||
+ cm->yv12_fb[*ref_fb_ptr].uv_width != sd->uv_width){
+ vpx_internal_error(&pbi->common.error, VPX_CODEC_ERROR,
+ "Incorrect buffer dimensions");
+ }
+ else{
+ /* Find an empty frame buffer. */
+ free_fb = get_free_fb(cm);
+ /* Decrease fb_idx_ref_cnt since it will be increased again in
+ * ref_cnt_fb() below. */
+ cm->fb_idx_ref_cnt[free_fb]--;
+
+ /* Manage the reference counters and copy image. */
+ ref_cnt_fb (cm->fb_idx_ref_cnt, ref_fb_ptr, free_fb);
+ vp8_yv12_copy_frame(sd, &cm->yv12_fb[*ref_fb_ptr]);
+ }
+
+ return pbi->common.error.error_code;
+}
+
+static int get_free_fb (VP8_COMMON *cm)
+{
+ int i;
+ for (i = 0; i < NUM_YV12_BUFFERS; i++)
+ if (cm->fb_idx_ref_cnt[i] == 0)
+ break;
+
+ assert(i < NUM_YV12_BUFFERS);
+ cm->fb_idx_ref_cnt[i] = 1;
+ return i;
+}
+
+static void ref_cnt_fb (int *buf, int *idx, int new_idx)
+{
+ if (buf[*idx] > 0)
+ buf[*idx]--;
+
+ *idx = new_idx;
+
+ buf[new_idx]++;
+}
+
+/* If any buffer copy / swapping is signalled it should be done here. */
+static int swap_frame_buffers (VP8_COMMON *cm)
+{
+ int err = 0;
+
+ /* The alternate reference frame or golden frame can be updated
+ * using the new, last, or golden/alt ref frame. If it
+ * is updated using the newly decoded frame it is a refresh.
+ * An update using the last or golden/alt ref frame is a copy.
+ */
+ if (cm->copy_buffer_to_arf)
+ {
+ int new_fb = 0;
+
+ if (cm->copy_buffer_to_arf == 1)
+ new_fb = cm->lst_fb_idx;
+ else if (cm->copy_buffer_to_arf == 2)
+ new_fb = cm->gld_fb_idx;
+ else
+ err = -1;
+
+ ref_cnt_fb (cm->fb_idx_ref_cnt, &cm->alt_fb_idx, new_fb);
+ }
+
+ if (cm->copy_buffer_to_gf)
+ {
+ int new_fb = 0;
+
+ if (cm->copy_buffer_to_gf == 1)
+ new_fb = cm->lst_fb_idx;
+ else if (cm->copy_buffer_to_gf == 2)
+ new_fb = cm->alt_fb_idx;
+ else
+ err = -1;
+
+ ref_cnt_fb (cm->fb_idx_ref_cnt, &cm->gld_fb_idx, new_fb);
+ }
+
+ if (cm->refresh_golden_frame)
+ ref_cnt_fb (cm->fb_idx_ref_cnt, &cm->gld_fb_idx, cm->new_fb_idx);
+
+ if (cm->refresh_alt_ref_frame)
+ ref_cnt_fb (cm->fb_idx_ref_cnt, &cm->alt_fb_idx, cm->new_fb_idx);
+
+ if (cm->refresh_last_frame)
+ {
+ ref_cnt_fb (cm->fb_idx_ref_cnt, &cm->lst_fb_idx, cm->new_fb_idx);
+
+ cm->frame_to_show = &cm->yv12_fb[cm->lst_fb_idx];
+ }
+ else
+ cm->frame_to_show = &cm->yv12_fb[cm->new_fb_idx];
+
+ cm->fb_idx_ref_cnt[cm->new_fb_idx]--;
+
+ return err;
+}
+
+static int check_fragments_for_errors(VP8D_COMP *pbi)
+{
+ if (!pbi->ec_active &&
+ pbi->fragments.count <= 1 && pbi->fragments.sizes[0] == 0)
+ {
+ VP8_COMMON *cm = &pbi->common;
+
+ /* If error concealment is disabled we won't signal missing frames
+ * to the decoder.
+ */
+ if (cm->fb_idx_ref_cnt[cm->lst_fb_idx] > 1)
+ {
+ /* The last reference shares buffer with another reference
+ * buffer. Move it to its own buffer before setting it as
+ * corrupt, otherwise we will make multiple buffers corrupt.
+ */
+ const int prev_idx = cm->lst_fb_idx;
+ cm->fb_idx_ref_cnt[prev_idx]--;
+ cm->lst_fb_idx = get_free_fb(cm);
+ vp8_yv12_copy_frame(&cm->yv12_fb[prev_idx],
+ &cm->yv12_fb[cm->lst_fb_idx]);
+ }
+ /* This is used to signal that we are missing frames.
+ * We do not know if the missing frame(s) was supposed to update
+ * any of the reference buffers, but we act conservative and
+ * mark only the last buffer as corrupted.
+ */
+ cm->yv12_fb[cm->lst_fb_idx].corrupted = 1;
+
+ /* Signal that we have no frame to show. */
+ cm->show_frame = 0;
+
+ /* Nothing more to do. */
+ return 0;
+ }
+
+ return 1;
+}
+
+int vp8dx_receive_compressed_data(VP8D_COMP *pbi, size_t size,
+ const uint8_t *source,
+ int64_t time_stamp)
+{
+ VP8_COMMON *cm = &pbi->common;
+ int retcode = -1;
+ (void)size;
+ (void)source;
+
+ pbi->common.error.error_code = VPX_CODEC_OK;
+
+ retcode = check_fragments_for_errors(pbi);
+ if(retcode <= 0)
+ return retcode;
+
+ cm->new_fb_idx = get_free_fb (cm);
+
+ /* setup reference frames for vp8_decode_frame */
+ pbi->dec_fb_ref[INTRA_FRAME] = &cm->yv12_fb[cm->new_fb_idx];
+ pbi->dec_fb_ref[LAST_FRAME] = &cm->yv12_fb[cm->lst_fb_idx];
+ pbi->dec_fb_ref[GOLDEN_FRAME] = &cm->yv12_fb[cm->gld_fb_idx];
+ pbi->dec_fb_ref[ALTREF_FRAME] = &cm->yv12_fb[cm->alt_fb_idx];
+
+ if (setjmp(pbi->common.error.jmp))
+ {
+ /* We do not know if the missing frame(s) was supposed to update
+ * any of the reference buffers, but we act conservative and
+ * mark only the last buffer as corrupted.
+ */
+ cm->yv12_fb[cm->lst_fb_idx].corrupted = 1;
+
+ if (cm->fb_idx_ref_cnt[cm->new_fb_idx] > 0)
+ cm->fb_idx_ref_cnt[cm->new_fb_idx]--;
+
+ goto decode_exit;
+ }
+
+ pbi->common.error.setjmp = 1;
+
+ retcode = vp8_decode_frame(pbi);
+
+ if (retcode < 0)
+ {
+ if (cm->fb_idx_ref_cnt[cm->new_fb_idx] > 0)
+ cm->fb_idx_ref_cnt[cm->new_fb_idx]--;
+
+ pbi->common.error.error_code = VPX_CODEC_ERROR;
+ goto decode_exit;
+ }
+
+ if (swap_frame_buffers (cm))
+ {
+ pbi->common.error.error_code = VPX_CODEC_ERROR;
+ goto decode_exit;
+ }
+
+ vp8_clear_system_state();
+
+ if (cm->show_frame)
+ {
+ cm->current_video_frame++;
+ cm->show_frame_mi = cm->mi;
+ }
+
+ #if CONFIG_ERROR_CONCEALMENT
+ /* swap the mode infos to storage for future error concealment */
+ if (pbi->ec_enabled && pbi->common.prev_mi)
+ {
+ MODE_INFO* tmp = pbi->common.prev_mi;
+ int row, col;
+ pbi->common.prev_mi = pbi->common.mi;
+ pbi->common.mi = tmp;
+
+ /* Propagate the segment_ids to the next frame */
+ for (row = 0; row < pbi->common.mb_rows; ++row)
+ {
+ for (col = 0; col < pbi->common.mb_cols; ++col)
+ {
+ const int i = row*pbi->common.mode_info_stride + col;
+ pbi->common.mi[i].mbmi.segment_id =
+ pbi->common.prev_mi[i].mbmi.segment_id;
+ }
+ }
+ }
+#endif
+
+ pbi->ready_for_new_data = 0;
+ pbi->last_time_stamp = time_stamp;
+
+decode_exit:
+ pbi->common.error.setjmp = 0;
+ vp8_clear_system_state();
+ return retcode;
+}
+int vp8dx_get_raw_frame(VP8D_COMP *pbi, YV12_BUFFER_CONFIG *sd, int64_t *time_stamp, int64_t *time_end_stamp, vp8_ppflags_t *flags)
+{
+ int ret = -1;
+
+ if (pbi->ready_for_new_data == 1)
+ return ret;
+
+ /* ie no raw frame to show!!! */
+ if (pbi->common.show_frame == 0)
+ return ret;
+
+ pbi->ready_for_new_data = 1;
+ *time_stamp = pbi->last_time_stamp;
+ *time_end_stamp = 0;
+
+#if CONFIG_POSTPROC
+ ret = vp8_post_proc_frame(&pbi->common, sd, flags);
+#else
+ (void)flags;
+
+ if (pbi->common.frame_to_show)
+ {
+ *sd = *pbi->common.frame_to_show;
+ sd->y_width = pbi->common.Width;
+ sd->y_height = pbi->common.Height;
+ sd->uv_height = pbi->common.Height / 2;
+ ret = 0;
+ }
+ else
+ {
+ ret = -1;
+ }
+
+#endif /*!CONFIG_POSTPROC*/
+ vp8_clear_system_state();
+ return ret;
+}
+
+
+/* This function as written isn't decoder specific, but the encoder has
+ * much faster ways of computing this, so it's ok for it to live in a
+ * decode specific file.
+ */
+int vp8dx_references_buffer( VP8_COMMON *oci, int ref_frame )
+{
+ const MODE_INFO *mi = oci->mi;
+ int mb_row, mb_col;
+
+ for (mb_row = 0; mb_row < oci->mb_rows; mb_row++)
+ {
+ for (mb_col = 0; mb_col < oci->mb_cols; mb_col++,mi++)
+ {
+ if( mi->mbmi.ref_frame == ref_frame)
+ return 1;
+ }
+ mi++;
+ }
+ return 0;
+
+}
+
+int vp8_create_decoder_instances(struct frame_buffers *fb, VP8D_CONFIG *oxcf)
+{
+ if(!fb->use_frame_threads)
+ {
+ /* decoder instance for single thread mode */
+ fb->pbi[0] = create_decompressor(oxcf);
+ if(!fb->pbi[0])
+ return VPX_CODEC_ERROR;
+
+#if CONFIG_MULTITHREAD
+ /* enable row-based threading only when use_frame_threads
+ * is disabled */
+ fb->pbi[0]->max_threads = oxcf->max_threads;
+ vp8_decoder_create_threads(fb->pbi[0]);
+#endif
+ }
+ else
+ {
+ /* TODO : create frame threads and decoder instances for each
+ * thread here */
+ }
+
+ return VPX_CODEC_OK;
+}
+
+int vp8_remove_decoder_instances(struct frame_buffers *fb)
+{
+ if(!fb->use_frame_threads)
+ {
+ VP8D_COMP *pbi = fb->pbi[0];
+
+ if (!pbi)
+ return VPX_CODEC_ERROR;
+#if CONFIG_MULTITHREAD
+ if (pbi->b_multithreaded_rd)
+ vp8mt_de_alloc_temp_buffers(pbi, pbi->common.mb_rows);
+ vp8_decoder_remove_threads(pbi);
+#endif
+
+ /* decoder instance for single thread mode */
+ remove_decompressor(pbi);
+ }
+ else
+ {
+ /* TODO : remove frame threads and decoder instances for each
+ * thread here */
+ }
+
+ return VPX_CODEC_OK;
+}
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