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LibVideo/VP9: Remove m_mi_row and col fields from the parser

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These are now passed as parameters to each function that uses them.
These will later be moved to a struct to further reduce the amount of
parameters that get passed around.

Above and left per-frame block contexts are now also parameters passed
to the functions that use them instead of being retrieved when needed
from a field. This will allow them to be more easily moved to a tile-
specific context later.
This commit is contained in:
Zaggy1024 2022-11-20 17:25:51 -06:00 • committed by Andreas Kling
parent 4a4aa697d9
commit 10d207959d
4 changed files with 94 additions and 120 deletions
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6
Userland/Libraries/LibVideo/VP9/Decoder.h
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@ -61,15 +61,15 @@ private:
DecoderErrorOr<void> predict_intra(u8 plane, u32 x, u32 y, bool have_left, bool have_above, bool not_on_right, TXSize tx_size, u32 block_index);
// (8.5.1) Inter prediction process
DecoderErrorOr<void> predict_inter(u8 plane, u32 x, u32 y, u32 width, u32 height, u32 block_index);
DecoderErrorOr<void> predict_inter(u8 plane, u32 block_row, u32 block_column, u32 x, u32 y, u32 width, u32 height, u32 block_index);
// (8.5.2.1) Motion vector selection process
MotionVector select_motion_vector(u8 plane, u8 ref_list, u32 block_index);
// (8.5.2.2) Motion vector clamping process
MotionVector clamp_motion_vector(u8 plane, MotionVector vector);
MotionVector clamp_motion_vector(u8 plane, u32 block_row, u32 block_column, MotionVector vector);
// (8.5.2.3) Motion vector scaling process
DecoderErrorOr<MotionVector> scale_motion_vector(u8 plane, u8 ref_list, u32 x, u32 y, MotionVector vector);
// From (8.5.1) Inter prediction process, steps 2-5
DecoderErrorOr<void> predict_inter_block(u8 plane, u8 ref_list, u32 x, u32 y, u32 width, u32 height, u32 block_index, Span<u16> block_buffer);
DecoderErrorOr<void> predict_inter_block(u8 plane, u8 ref_list, u32 block_row, u32 block_column, u32 x, u32 y, u32 width, u32 height, u32 block_index, Span<u16> block_buffer);
/* (8.6) Reconstruction and Dequantization */