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LibVideo/VP9: Implement token parsing (6.4.24-6.4.26)

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Note that this now requires a couple new syntax types to be parsed
in the TreeParser, so a follow-up commit will implement that behavior.
This commit is contained in:
FalseHonesty 2021-06-27 10:58:16 -04:00 • committed by Andreas Kling
parent d79c9c262f
commit aa27ca1b16
5 changed files with 171 additions and 4 deletions
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7
Userland/Libraries/LibVideo/VP9/Parser.h
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@ -116,7 +116,9 @@ private:
bool residual();
TXSize get_uv_tx_size();
BlockSubsize get_plane_block_size(u32 subsize, u8 plane);
bool tokens(size_t plane, u32 x, u32 y, TXSize size, u32 index);
bool tokens(size_t plane, u32 x, u32 y, TXSize tx_size, u32 block_index);
u32 const* get_scan(size_t plane, TXSize tx_size, u32 block_index);
u32 read_coef(Token token);
/* (6.5) Motion Vector Prediction */
bool find_mv_refs(ReferenceFrame, int block);
@ -220,6 +222,9 @@ private:
u32 m_ref_frame_width[NUM_REF_FRAMES];
u32 m_ref_frame_height[NUM_REF_FRAMES];
u32 m_eob_total { 0 };
u8 m_tx_type { 0 };
u8 m_token_cache[1024];
i32 m_tokens[1024];
bool m_use_hp { false };