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LibVideo/VP9: Convert the Parser to use AK/BitStream.h

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This doesn't appear to have had a measurable impact on performance,
and behavior is the same.

With the tiles using independent BooleanDecoders with their own
backing BitStreams, we're even one step closer to threaded tiles!
This commit is contained in:
Zaggy1024 2023-02-11 19:35:26 -06:00 • committed by Linus Groh
parent 6f39c44160
commit fb0c226da3
10 changed files with 499 additions and 581 deletions
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56
Userland/Libraries/LibVideo/VP9/Parser.h
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@ -14,7 +14,6 @@
#include <LibVideo/Color/CodingIndependentCodePoints.h>
#include <LibVideo/DecoderError.h>
#include "BitStream.h"
#include "ContextStorage.h"
#include "LookupTables.h"
#include "MotionVector.h"
@ -45,48 +44,48 @@ private:
* See also section 5.26. */
Vector<size_t> parse_superframe_sizes(ReadonlyBytes);
DecoderErrorOr<VideoFullRangeFlag> read_video_full_range_flag();
DecoderErrorOr<VideoFullRangeFlag> read_video_full_range_flag(BigEndianInputBitStream&);
/* (6.1) Frame Syntax */
bool trailing_bits();
DecoderErrorOr<void> refresh_probs(FrameContext const&);
/* (6.2) Uncompressed Header Syntax */
DecoderErrorOr<FrameContext> uncompressed_header();
DecoderErrorOr<void> frame_sync_code();
DecoderErrorOr<ColorConfig> parse_color_config(FrameContext const&);
DecoderErrorOr<Gfx::Size<u32>> parse_frame_size();
DecoderErrorOr<Gfx::Size<u32>> parse_frame_size_with_refs(Array<u8, 3> const& reference_indices);
DecoderErrorOr<Gfx::Size<u32>> parse_render_size(Gfx::Size<u32> frame_size);
DecoderErrorOr<void> uncompressed_header(FrameContext& frame_context);
DecoderErrorOr<void> frame_sync_code(BigEndianInputBitStream&);
DecoderErrorOr<ColorConfig> parse_color_config(BigEndianInputBitStream&, u8 profile);
DecoderErrorOr<Gfx::Size<u32>> parse_frame_size(BigEndianInputBitStream&);
DecoderErrorOr<Gfx::Size<u32>> parse_frame_size_with_refs(BigEndianInputBitStream&, Array<u8, 3> const& reference_indices);
DecoderErrorOr<Gfx::Size<u32>> parse_render_size(BigEndianInputBitStream&, Gfx::Size<u32> frame_size);
DecoderErrorOr<void> compute_image_size(FrameContext&);
DecoderErrorOr<InterpolationFilter> read_interpolation_filter();
DecoderErrorOr<InterpolationFilter> read_interpolation_filter(BigEndianInputBitStream&);
DecoderErrorOr<void> loop_filter_params(FrameContext&);
DecoderErrorOr<void> quantization_params(FrameContext&);
DecoderErrorOr<i8> read_delta_q();
DecoderErrorOr<i8> read_delta_q(BigEndianInputBitStream&);
DecoderErrorOr<void> segmentation_params(FrameContext&);
DecoderErrorOr<u8> read_prob();
DecoderErrorOr<u8> read_prob(BigEndianInputBitStream&);
DecoderErrorOr<void> parse_tile_counts(FrameContext&);
void setup_past_independence();
/* (6.3) Compressed Header Syntax */
DecoderErrorOr<void> compressed_header(FrameContext&);
DecoderErrorOr<TransformMode> read_tx_mode(FrameContext const&);
DecoderErrorOr<void> tx_mode_probs();
DecoderErrorOr<u8> diff_update_prob(u8 prob);
DecoderErrorOr<u8> decode_term_subexp();
DecoderErrorOr<TransformMode> read_tx_mode(BooleanDecoder&, FrameContext const&);
DecoderErrorOr<void> tx_mode_probs(BooleanDecoder&);
DecoderErrorOr<u8> diff_update_prob(BooleanDecoder&, u8 prob);
DecoderErrorOr<u8> decode_term_subexp(BooleanDecoder&);
u8 inv_remap_prob(u8 delta_prob, u8 prob);
u8 inv_recenter_nonneg(u8 v, u8 m);
DecoderErrorOr<void> read_coef_probs(TransformMode);
DecoderErrorOr<void> read_skip_prob();
DecoderErrorOr<void> read_inter_mode_probs();
DecoderErrorOr<void> read_interp_filter_probs();
DecoderErrorOr<void> read_is_inter_probs();
DecoderErrorOr<void> frame_reference_mode(FrameContext&);
DecoderErrorOr<void> frame_reference_mode_probs(FrameContext const&);
DecoderErrorOr<void> read_y_mode_probs();
DecoderErrorOr<void> read_partition_probs();
DecoderErrorOr<void> mv_probs(FrameContext const&);
DecoderErrorOr<u8> update_mv_prob(u8 prob);
DecoderErrorOr<void> read_coef_probs(BooleanDecoder&, TransformMode);
DecoderErrorOr<void> read_skip_prob(BooleanDecoder&);
DecoderErrorOr<void> read_inter_mode_probs(BooleanDecoder&);
DecoderErrorOr<void> read_interp_filter_probs(BooleanDecoder&);
DecoderErrorOr<void> read_is_inter_probs(BooleanDecoder&);
DecoderErrorOr<void> frame_reference_mode(FrameContext&, BooleanDecoder&);
DecoderErrorOr<void> frame_reference_mode_probs(BooleanDecoder&, FrameContext const&);
DecoderErrorOr<void> read_y_mode_probs(BooleanDecoder&);
DecoderErrorOr<void> read_partition_probs(BooleanDecoder&);
DecoderErrorOr<void> mv_probs(BooleanDecoder&, FrameContext const&);
DecoderErrorOr<u8> update_mv_prob(BooleanDecoder&, u8 prob);
/* (6.4) Decode Tiles Syntax */
DecoderErrorOr<void> decode_tiles(FrameContext&);
@ -109,10 +108,10 @@ private:
DecoderErrorOr<void> read_ref_frames(BlockContext&, FrameBlockContext above_context, FrameBlockContext left_context);
DecoderErrorOr<MotionVectorPair> get_motion_vector(BlockContext const&, BlockMotionVectorCandidates const&);
DecoderErrorOr<MotionVector> read_motion_vector(BlockContext const&, BlockMotionVectorCandidates const&, ReferenceIndex);
DecoderErrorOr<i32> read_single_motion_vector_component(u8 component, bool use_high_precision);
DecoderErrorOr<i32> read_single_motion_vector_component(BooleanDecoder&, u8 component, bool use_high_precision);
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, Array<u8, 1024> token_cache);
DecoderErrorOr<i32> read_coef(u8 bit_depth, Token token);
DecoderErrorOr<i32> read_coef(BooleanDecoder&, u8 bit_depth, Token token);
/* (6.5) Motion Vector Prediction */
MotionVectorPair find_reference_motion_vectors(BlockContext&, ReferenceFrameType, i32 block);
@ -140,7 +139,6 @@ private:
Vector2D<FrameBlockContext> m_reusable_frame_block_contexts;
Vector2D<PersistentBlockContext> m_previous_block_contexts;
OwnPtr<BitStream> m_bit_stream;
OwnPtr<ProbabilityTables> m_probability_tables;
OwnPtr<SyntaxElementCounter> m_syntax_element_counter;
Decoder& m_decoder;