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LibVideo/VP9: Move more block fields into the BlockContext struct

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This includes the segment IDs, transform block sizes, prediction modes,
sub-block counts, interpolation filters and sub-block motion vectors.
This commit is contained in:
Zaggy1024 2022-11-23 16:41:11 -06:00 • committed by Andreas Kling
parent f4e835635f
commit 6533c5f6a8
4 changed files with 174 additions and 188 deletions
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27
Userland/Libraries/LibVideo/VP9/Context.h
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@ -203,7 +203,7 @@ struct TokensContext {
struct FrameBlockContext {
bool is_intra_predicted() const { return ref_frames[0] == ReferenceFrameType::None; }
bool is_single_reference() const { return ref_frames[1] == ReferenceFrameType::None; }
MotionVectorPair primary_motion_vector_pair() const { return { sub_block_motion_vectors[0][3], sub_block_motion_vectors[1][3] }; }
MotionVectorPair primary_motion_vector_pair() const { return sub_block_motion_vectors[3]; }
bool is_available { false };
bool skip_coefficients { false };
@ -212,7 +212,7 @@ struct FrameBlockContext {
Array<PredictionMode, 4> sub_modes { PredictionMode::DcPred, PredictionMode::DcPred, PredictionMode::DcPred, PredictionMode::DcPred };
InterpolationFilter interpolation_filter { InterpolationFilter::EightTap };
ReferenceFramePair ref_frames { ReferenceFrameType::None, ReferenceFrameType::None };
Array<Array<MotionVector, 4>, 2> sub_block_motion_vectors {};
Array<MotionVectorPair, 4> sub_block_motion_vectors;
u8 segment_id { 0 };
};
@ -382,8 +382,31 @@ struct BlockContext {
u32 row { 0 };
u32 column { 0 };
BlockSubsize size;
Gfx::Size<u8> get_size_in_4x4_blocks() const
{
auto width = num_4x4_blocks_wide_lookup[size];
auto height = num_4x4_blocks_high_lookup[size];
return Gfx::Size<u8>(width, height);
}
Vector2DView<FrameBlockContext> contexts_view;
u8 segment_id { 0 };
bool should_skip_residuals { false };
TXSize tx_size { TXSize::TX_4x4 };
ReferenceFramePair reference_frame_types;
bool is_inter_predicted() const { return reference_frame_types[0] > ReferenceFrameType::None; }
bool is_compound() const { return reference_frame_types[1] > ReferenceFrameType::None; }
Array<PredictionMode, 4> sub_block_prediction_modes;
PredictionMode y_prediction_mode() const { return sub_block_prediction_modes.last(); }
PredictionMode& y_prediction_mode() { return sub_block_prediction_modes.last(); }
PredictionMode uv_prediction_mode { 0 };
InterpolationFilter interpolation_filter { EightTap };
Array<MotionVectorPair, 4> sub_block_motion_vectors;
};
}