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LibVideo/VP9: Implement sections 6.1.2 and 8.4.1-8.4.4

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These section implement the behavior to refresh the probability
tables after parsing a frame.
This commit is contained in:
FalseHonesty 2021-06-26 23:23:22 -04:00 • committed by Andreas Kling
parent cf6b3d0ce9
commit d79c9c262f
8 changed files with 188 additions and 9 deletions
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5
Userland/Libraries/LibVideo/VP9/Parser.h
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@ -46,6 +46,10 @@ private:
void clear_context(Vector<u8>& context, size_t size);
void clear_context(Vector<Vector<u8>>& context, size_t outer_size, size_t inner_size);
/* (6.1) Frame Syntax */
bool trailing_bits();
bool refresh_probs();
/* (6.2) Uncompressed Header Syntax */
bool uncompressed_header();
bool frame_sync_code();
@ -64,7 +68,6 @@ private:
u16 calc_min_log2_tile_cols();
u16 calc_max_log2_tile_cols();
bool setup_past_independence();
bool trailing_bits();
/* (6.3) Compressed Header Syntax */
bool compressed_header();