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avcodec/cbs_av1: infer loop filter delta parameters from reference frames

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Partially implements setup_past_independence() and load_previous().
These ensures they are always set, even if the values were not coded
in the input bitstream and will not be coded in the output bitstream.

Reviewed-by: Mark Thompson <sw@jkqxz.net>
Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer
2020-10-20 17:48:31 -03:00
parent 744b7f2e91
commit 5d1238f77f
2 changed files with 47 additions and 12 deletions
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3
libavcodec/cbs_av1.h
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@@ -413,6 +413,9 @@ typedef struct AV1ReferenceFrameState {
int subsampling_y; // RefSubsamplingY
int bit_depth; // RefBitDepth
int order_hint; // RefOrderHint
int8_t loop_filter_ref_deltas[AV1_TOTAL_REFS_PER_FRAME];
int8_t loop_filter_mode_deltas[2];
} AV1ReferenceFrameState;
typedef struct CodedBitstreamAV1Context {