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avcodec/cbs_av1: fix handling reference frames on show_existing_frame frames

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Implement Section 7.21 "Reference frame loading process" and Section 7.20
"Reference frame update process" for show_existing_frame frames, as required by
the definition in Section 7.4 "Decode frame wrapup process".

Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2020-08-24 13:04:23 -03:00
parent afbe9ebac7
commit e76b4b2a6b
1 changed files with 24 additions and 18 deletions
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42
libavcodec/cbs_av1_syntax_template.c
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@ -1295,9 +1295,19 @@ static int FUNC(uncompressed_header)(CodedBitstreamContext *ctx, RWContext *rw,
fb(id_len, display_frame_id);
infer(frame_type, frame->frame_type);
if (current->frame_type == AV1_FRAME_KEY)
if (current->frame_type == AV1_FRAME_KEY) {
infer(refresh_frame_flags, all_frames);
else
// Section 7.21
infer(current_frame_id, frame->frame_id);
priv->upscaled_width = frame->upscaled_width;
priv->frame_width = frame->frame_width;
priv->frame_height = frame->frame_height;
priv->render_width = frame->render_width;
priv->render_height = frame->render_height;
priv->bit_depth = frame->bit_depth;
priv->order_hint = frame->order_hint;
} else
infer(refresh_frame_flags, 0);
infer(frame_width_minus_1, frame->upscaled_width - 1);
@ -1305,13 +1315,8 @@ static int FUNC(uncompressed_header)(CodedBitstreamContext *ctx, RWContext *rw,
infer(render_width_minus_1, frame->render_width - 1);
infer(render_height_minus_1, frame->render_height - 1);
priv->upscaled_width = frame->upscaled_width;
priv->frame_width = frame->frame_width;
priv->frame_height = frame->frame_height;
priv->render_width = frame->render_width;
priv->render_height = frame->render_height;
return 0;
// Section 7.20
goto update_refs;
}
fb(2, frame_type);
@ -1573,6 +1578,16 @@ static int FUNC(uncompressed_header)(CodedBitstreamContext *ctx, RWContext *rw,
CHECK(FUNC(film_grain_params)(ctx, rw, current));
av_log(ctx->log_ctx, AV_LOG_DEBUG, "Frame %d: size %dx%d "
"upscaled %d render %dx%d subsample %dx%d "
"bitdepth %d tiles %dx%d.\n", priv->order_hint,
priv->frame_width, priv->frame_height, priv->upscaled_width,
priv->render_width, priv->render_height,
seq->color_config.subsampling_x + 1,
seq->color_config.subsampling_y + 1, priv->bit_depth,
priv->tile_rows, priv->tile_cols);
update_refs:
for (i = 0; i < AV1_NUM_REF_FRAMES; i++) {
if (current->refresh_frame_flags & (1 << i)) {
priv->ref[i] = (AV1ReferenceFrameState) {
@ -1592,15 +1607,6 @@ static int FUNC(uncompressed_header)(CodedBitstreamContext *ctx, RWContext *rw,
}
}
av_log(ctx->log_ctx, AV_LOG_DEBUG, "Frame %d: size %dx%d "
"upscaled %d render %dx%d subsample %dx%d "
"bitdepth %d tiles %dx%d.\n", priv->order_hint,
priv->frame_width, priv->frame_height, priv->upscaled_width,
priv->render_width, priv->render_height,
seq->color_config.subsampling_x + 1,
seq->color_config.subsampling_y + 1, priv->bit_depth,
priv->tile_rows, priv->tile_cols);
return 0;
}