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LibVideo/VP9: Remove m_tokens and m_token_cache from Parser

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Only the residual tokens array needs to be kept for the transforms to
use after all the tokens have been parsed. The token cache is able to
be kept in the stack only for the duration of the token parsing loop.
This commit is contained in:
Zaggy1024 2022-11-27 00:41:09 -06:00 • committed by Andreas Kling
parent a4f14f220d
commit 316dad7bf7
6 changed files with 32 additions and 27 deletions
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4
Userland/Libraries/LibVideo/VP9/Parser.h
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@ -122,7 +122,7 @@ private:
DecoderErrorOr<MotionVector> read_motion_vector(BlockContext const&, BlockMotionVectorCandidates const&, ReferenceIndex);
DecoderErrorOr<i32> read_single_motion_vector_component(u8 component);
DecoderErrorOr<bool> residual(BlockContext&, bool has_block_above, bool has_block_left);
DecoderErrorOr<bool> tokens(BlockContext&, size_t plane, u32 x, u32 y, TransformSize, TransformSet);
DecoderErrorOr<bool> tokens(BlockContext&, size_t plane, u32 x, u32 y, TransformSize, TransformSet, Array<u8, 1024> token_cache);
DecoderErrorOr<i32> read_coef(u8 bit_depth, Token token);
/* (6.5) Motion Vector Prediction */
@ -162,8 +162,6 @@ private:
Vector<u16> m_frame_store[NUM_REF_FRAMES][3];
u8 m_token_cache[1024];
i32 m_tokens[1024];
bool m_use_hp { false };
bool m_use_prev_frame_mvs;