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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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40
Userland/Libraries/LibVideo/VP9/Parser.h
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@ -84,8 +84,6 @@ private:
u8 inv_remap_prob(u8 delta_prob, u8 prob);
u8 inv_recenter_nonneg(u8 v, u8 m);
DecoderErrorOr<void> read_coef_probs();
FrameBlockContext get_above_context() const;
FrameBlockContext get_left_context() const;
DecoderErrorOr<void> read_skip_prob();
DecoderErrorOr<void> read_inter_mode_probs();
DecoderErrorOr<void> read_interp_filter_probs();
@ -105,24 +103,24 @@ private:
DecoderErrorOr<void> decode_tile();
void clear_left_context();
DecoderErrorOr<void> decode_partition(u32 row, u32 column, BlockSubsize subsize);
DecoderErrorOr<void> decode_block(u32 row, u32 col, BlockSubsize subsize);
DecoderErrorOr<void> mode_info();
DecoderErrorOr<void> intra_frame_mode_info();
DecoderErrorOr<void> decode_block(u32 row, u32 column, BlockSubsize subsize);
DecoderErrorOr<void> mode_info(u32 row, u32 column, FrameBlockContext above_context, FrameBlockContext left_context);
DecoderErrorOr<void> intra_frame_mode_info(FrameBlockContext above_context, FrameBlockContext left_context);
DecoderErrorOr<void> intra_segment_id();
DecoderErrorOr<void> read_skip();
DecoderErrorOr<void> read_skip(FrameBlockContext above_context, FrameBlockContext left_context);
bool seg_feature_active(u8 feature);
DecoderErrorOr<void> read_tx_size(bool allow_select);
DecoderErrorOr<void> inter_frame_mode_info();
DecoderErrorOr<void> inter_segment_id();
u8 get_segment_id();
DecoderErrorOr<void> read_is_inter();
DecoderErrorOr<void> read_tx_size(FrameBlockContext above_context, FrameBlockContext left_context, bool allow_select);
DecoderErrorOr<void> inter_frame_mode_info(u32 row, u32 column, FrameBlockContext above_context, FrameBlockContext left_context);
DecoderErrorOr<void> inter_segment_id(u32 row, u32 column);
u8 get_segment_id(u32 row, u32 column);
DecoderErrorOr<void> read_is_inter(FrameBlockContext above_context, FrameBlockContext left_context);
DecoderErrorOr<void> intra_block_mode_info();
DecoderErrorOr<void> inter_block_mode_info();
DecoderErrorOr<void> read_ref_frames();
DecoderErrorOr<void> inter_block_mode_info(u32 row, u32 column, FrameBlockContext above_context, FrameBlockContext left_context);
DecoderErrorOr<void> read_ref_frames(FrameBlockContext above_context, FrameBlockContext left_context);
DecoderErrorOr<void> assign_mv(bool is_compound);
DecoderErrorOr<void> read_mv(u8 ref);
DecoderErrorOr<i32> read_mv_component(u8 component);
DecoderErrorOr<void> residual();
DecoderErrorOr<void> residual(u32 row, u32 column, bool has_block_above, bool has_block_left);
TXSize get_uv_tx_size();
BlockSubsize get_plane_block_size(u32 subsize, u8 plane);
DecoderErrorOr<bool> tokens(size_t plane, u32 x, u32 y, TXSize tx_size, u32 block_index);
@ -130,13 +128,13 @@ private:
DecoderErrorOr<i32> read_coef(Token token);
/* (6.5) Motion Vector Prediction */
void find_mv_refs(ReferenceFrameType, i32 block);
void find_best_ref_mvs(u8 ref_list);
void find_mv_refs(u32 row, u32 column, ReferenceFrameType, i32 block);
void find_best_ref_mvs(u32 row, u32 column, u8 ref_list);
bool use_mv_hp(MotionVector const& delta_mv);
void append_sub8x8_mvs(i32 block, u8 ref_list);
void append_sub8x8_mvs(u32 row, u32 column, i32 block, u8 ref_list);
bool is_inside(i32 row, i32 column);
void clamp_mv_ref(u8 i);
MotionVector clamp_mv(MotionVector mvec, i32 border);
void clamp_mv_ref(u32 row, u32 column, u8 i);
MotionVector clamp_mv(u32 row, u32 column, MotionVector mvec, i32 border);
size_t get_image_index(u32 row, u32 column) const;
void get_block_mv(u32 candidate_row, u32 candidate_column, u8 ref_list, bool use_prev);
void if_same_ref_frame_add_mv(u32 candidate_row, u32 candidate_column, ReferenceFrameType ref_frame, bool use_prev);
@ -212,11 +210,7 @@ private:
u32 m_mi_row_end { 0 };
u32 m_mi_col_start { 0 };
u32 m_mi_col_end { 0 };
u32 m_mi_row { 0 };
u32 m_mi_col { 0 };
BlockSubsize m_mi_size { 0 };
bool m_available_u { false };
bool m_available_l { false };
u8 m_segment_id { 0 };
// FIXME: Should this be an enum?
// skip equal to 0 indicates that there may be some transform coefficients to read for this block; skip equal to 1