mirror of
https://github.com/RGBCube/serenity
synced 2025-07-28 10:27:36 +00:00
LibGfx/LibVideo: Check for overreads only at end of a VPX range decode
Errors are now deferred until `finish_decode()` is finished, meaning branches to return errors only need to occur at the end of a ranged decode. If VPX_DEBUG is enabled, a debug message will be printed immediately when an overread occurs. Average decoding times for `Tests/LibGfx/test-inputs/4.webp` improve by about 4.7% with this change, absolute decode times changing from 27.4ms±1.1ms down to 26.1ms±1.0ms.
This commit is contained in:
parent
873b0e9470
commit
24ae35086d
8 changed files with 353 additions and 366 deletions
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@ -65,7 +65,7 @@ public:
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// 9.2.1: The Boolean decoding process specified in section 9.2.2 is invoked to read a marker syntax element from the
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// bitstream. It is a requirement of bitstream conformance that the value read is equal to 0.
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auto decoder = DECODER_TRY(DecoderErrorCategory::Corrupted, BooleanDecoder::initialize(compressed_header_data));
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if (DECODER_TRY(DecoderErrorCategory::Corrupted, decoder.read_bool(128)))
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if (decoder.read_bool(128))
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return DecoderError::corrupted("Range decoder marker was non-zero"sv);
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DECODER_TRY(DecoderErrorCategory::Corrupted, bit_stream.discard(size));
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@ -595,79 +595,78 @@ DecoderErrorOr<void> Parser::compressed_header(FrameContext& frame_context)
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{
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auto decoder = TRY(frame_context.create_range_decoder(frame_context.header_size_in_bytes));
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frame_context.transform_mode = TRY(read_tx_mode(decoder, frame_context));
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frame_context.transform_mode = read_tx_mode(decoder, frame_context);
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if (frame_context.transform_mode == TransformMode::Select)
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TRY(tx_mode_probs(decoder));
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TRY(read_coef_probs(decoder, frame_context.transform_mode));
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TRY(read_skip_prob(decoder));
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tx_mode_probs(decoder);
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read_coef_probs(decoder, frame_context.transform_mode);
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read_skip_prob(decoder);
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if (frame_context.is_inter_predicted()) {
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TRY(read_inter_mode_probs(decoder));
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read_inter_mode_probs(decoder);
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if (frame_context.interpolation_filter == Switchable)
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TRY(read_interp_filter_probs(decoder));
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TRY(read_is_inter_probs(decoder));
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TRY(frame_reference_mode(frame_context, decoder));
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TRY(frame_reference_mode_probs(decoder, frame_context));
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TRY(read_y_mode_probs(decoder));
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TRY(read_partition_probs(decoder));
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TRY(mv_probs(decoder, frame_context));
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read_interp_filter_probs(decoder);
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read_is_inter_probs(decoder);
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frame_reference_mode(frame_context, decoder);
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frame_reference_mode_probs(decoder, frame_context);
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read_y_mode_probs(decoder);
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read_partition_probs(decoder);
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mv_probs(decoder, frame_context);
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}
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TRY_READ(decoder.finish_decode());
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return {};
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}
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DecoderErrorOr<TransformMode> Parser::read_tx_mode(BooleanDecoder& decoder, FrameContext const& frame_context)
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TransformMode Parser::read_tx_mode(BooleanDecoder& decoder, FrameContext const& frame_context)
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{
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if (frame_context.lossless) {
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return TransformMode::Only_4x4;
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}
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auto tx_mode = TRY_READ(decoder.read_literal(2));
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auto tx_mode = decoder.read_literal(2);
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if (tx_mode == to_underlying(TransformMode::Allow_32x32))
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tx_mode += TRY_READ(decoder.read_literal(1));
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tx_mode += decoder.read_literal(1);
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return static_cast<TransformMode>(tx_mode);
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}
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DecoderErrorOr<void> Parser::tx_mode_probs(BooleanDecoder& decoder)
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void Parser::tx_mode_probs(BooleanDecoder& decoder)
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{
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auto& tx_probs = m_probability_tables->tx_probs();
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for (auto i = 0; i < TX_SIZE_CONTEXTS; i++) {
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for (auto j = 0; j < TX_SIZES - 3; j++)
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tx_probs[Transform_8x8][i][j] = TRY(diff_update_prob(decoder, tx_probs[Transform_8x8][i][j]));
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tx_probs[Transform_8x8][i][j] = diff_update_prob(decoder, tx_probs[Transform_8x8][i][j]);
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}
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for (auto i = 0; i < TX_SIZE_CONTEXTS; i++) {
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for (auto j = 0; j < TX_SIZES - 2; j++)
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tx_probs[Transform_16x16][i][j] = TRY(diff_update_prob(decoder, tx_probs[Transform_16x16][i][j]));
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tx_probs[Transform_16x16][i][j] = diff_update_prob(decoder, tx_probs[Transform_16x16][i][j]);
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}
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for (auto i = 0; i < TX_SIZE_CONTEXTS; i++) {
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for (auto j = 0; j < TX_SIZES - 1; j++)
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tx_probs[Transform_32x32][i][j] = TRY(diff_update_prob(decoder, tx_probs[Transform_32x32][i][j]));
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tx_probs[Transform_32x32][i][j] = diff_update_prob(decoder, tx_probs[Transform_32x32][i][j]);
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}
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return {};
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}
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DecoderErrorOr<u8> Parser::diff_update_prob(BooleanDecoder& decoder, u8 prob)
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u8 Parser::diff_update_prob(BooleanDecoder& decoder, u8 prob)
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{
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auto update_prob = TRY_READ(decoder.read_bool(252));
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auto update_prob = decoder.read_bool(252);
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if (update_prob) {
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auto delta_prob = TRY(decode_term_subexp(decoder));
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auto delta_prob = decode_term_subexp(decoder);
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prob = inv_remap_prob(delta_prob, prob);
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}
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return prob;
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}
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DecoderErrorOr<u8> Parser::decode_term_subexp(BooleanDecoder& decoder)
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u8 Parser::decode_term_subexp(BooleanDecoder& decoder)
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{
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if (TRY_READ(decoder.read_literal(1)) == 0)
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return TRY_READ(decoder.read_literal(4));
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if (TRY_READ(decoder.read_literal(1)) == 0)
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return TRY_READ(decoder.read_literal(4)) + 16;
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if (TRY_READ(decoder.read_literal(1)) == 0)
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return TRY_READ(decoder.read_literal(5)) + 32;
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if (decoder.read_literal(1) == 0)
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return decoder.read_literal(4);
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if (decoder.read_literal(1) == 0)
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return decoder.read_literal(4) + 16;
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if (decoder.read_literal(1) == 0)
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return decoder.read_literal(5) + 32;
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auto v = TRY_READ(decoder.read_literal(7));
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auto v = decoder.read_literal(7);
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if (v < 65)
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return v + 64;
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return (v << 1u) - 1 + TRY_READ(decoder.read_literal(1));
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return (v << 1u) - 1 + decoder.read_literal(1);
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}
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u8 Parser::inv_remap_prob(u8 delta_prob, u8 prob)
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@ -688,11 +687,11 @@ u8 Parser::inv_recenter_nonneg(u8 v, u8 m)
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return m + (v >> 1u);
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}
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DecoderErrorOr<void> Parser::read_coef_probs(BooleanDecoder& decoder, TransformMode transform_mode)
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void Parser::read_coef_probs(BooleanDecoder& decoder, TransformMode transform_mode)
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{
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auto max_tx_size = tx_mode_to_biggest_tx_size[to_underlying(transform_mode)];
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for (u8 transform_size = 0; transform_size <= max_tx_size; transform_size++) {
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auto update_probs = TRY_READ(decoder.read_literal(1));
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auto update_probs = decoder.read_literal(1);
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if (update_probs == 1) {
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for (auto i = 0; i < 2; i++) {
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for (auto j = 0; j < 2; j++) {
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@ -701,7 +700,7 @@ DecoderErrorOr<void> Parser::read_coef_probs(BooleanDecoder& decoder, TransformM
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for (auto l = 0; l < max_l; l++) {
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for (auto m = 0; m < 3; m++) {
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auto& prob = m_probability_tables->coef_probs()[transform_size][i][j][k][l][m];
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prob = TRY(diff_update_prob(decoder, prob));
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prob = diff_update_prob(decoder, prob);
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}
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}
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}
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@ -709,39 +708,34 @@ DecoderErrorOr<void> Parser::read_coef_probs(BooleanDecoder& decoder, TransformM
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}
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}
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}
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return {};
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}
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DecoderErrorOr<void> Parser::read_skip_prob(BooleanDecoder& decoder)
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void Parser::read_skip_prob(BooleanDecoder& decoder)
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{
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for (auto i = 0; i < SKIP_CONTEXTS; i++)
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m_probability_tables->skip_prob()[i] = TRY(diff_update_prob(decoder, m_probability_tables->skip_prob()[i]));
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return {};
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m_probability_tables->skip_prob()[i] = diff_update_prob(decoder, m_probability_tables->skip_prob()[i]);
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}
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DecoderErrorOr<void> Parser::read_inter_mode_probs(BooleanDecoder& decoder)
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void Parser::read_inter_mode_probs(BooleanDecoder& decoder)
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{
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for (auto i = 0; i < INTER_MODE_CONTEXTS; i++) {
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for (auto j = 0; j < INTER_MODES - 1; j++)
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m_probability_tables->inter_mode_probs()[i][j] = TRY(diff_update_prob(decoder, m_probability_tables->inter_mode_probs()[i][j]));
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m_probability_tables->inter_mode_probs()[i][j] = diff_update_prob(decoder, m_probability_tables->inter_mode_probs()[i][j]);
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}
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return {};
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}
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DecoderErrorOr<void> Parser::read_interp_filter_probs(BooleanDecoder& decoder)
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void Parser::read_interp_filter_probs(BooleanDecoder& decoder)
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{
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for (auto i = 0; i < INTERP_FILTER_CONTEXTS; i++) {
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for (auto j = 0; j < SWITCHABLE_FILTERS - 1; j++)
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m_probability_tables->interp_filter_probs()[i][j] = TRY(diff_update_prob(decoder, m_probability_tables->interp_filter_probs()[i][j]));
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m_probability_tables->interp_filter_probs()[i][j] = diff_update_prob(decoder, m_probability_tables->interp_filter_probs()[i][j]);
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}
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return {};
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}
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DecoderErrorOr<void> Parser::read_is_inter_probs(BooleanDecoder& decoder)
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void Parser::read_is_inter_probs(BooleanDecoder& decoder)
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{
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for (auto i = 0; i < IS_INTER_CONTEXTS; i++)
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m_probability_tables->is_inter_prob()[i] = TRY(diff_update_prob(decoder, m_probability_tables->is_inter_prob()[i]));
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return {};
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m_probability_tables->is_inter_prob()[i] = diff_update_prob(decoder, m_probability_tables->is_inter_prob()[i]);
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}
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static void setup_compound_reference_mode(FrameContext& frame_context)
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@ -762,7 +756,7 @@ static void setup_compound_reference_mode(FrameContext& frame_context)
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frame_context.variable_reference_types = variable_references;
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}
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DecoderErrorOr<void> Parser::frame_reference_mode(FrameContext& frame_context, BooleanDecoder& decoder)
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void Parser::frame_reference_mode(FrameContext& frame_context, BooleanDecoder& decoder)
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{
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auto compound_reference_allowed = false;
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for (size_t i = 2; i <= REFS_PER_FRAME; i++) {
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@ -771,11 +765,11 @@ DecoderErrorOr<void> Parser::frame_reference_mode(FrameContext& frame_context, B
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}
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ReferenceMode reference_mode;
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if (compound_reference_allowed) {
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auto non_single_reference = TRY_READ(decoder.read_literal(1));
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auto non_single_reference = decoder.read_literal(1);
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if (non_single_reference == 0) {
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reference_mode = SingleReference;
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} else {
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auto reference_select = TRY_READ(decoder.read_literal(1));
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auto reference_select = decoder.read_literal(1);
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if (reference_select == 0)
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reference_mode = CompoundReference;
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else
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@ -787,74 +781,70 @@ DecoderErrorOr<void> Parser::frame_reference_mode(FrameContext& frame_context, B
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frame_context.reference_mode = reference_mode;
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if (reference_mode != SingleReference)
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setup_compound_reference_mode(frame_context);
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return {};
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}
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DecoderErrorOr<void> Parser::frame_reference_mode_probs(BooleanDecoder& decoder, FrameContext const& frame_context)
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void Parser::frame_reference_mode_probs(BooleanDecoder& decoder, FrameContext const& frame_context)
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{
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if (frame_context.reference_mode == ReferenceModeSelect) {
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for (auto i = 0; i < COMP_MODE_CONTEXTS; i++) {
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auto& comp_mode_prob = m_probability_tables->comp_mode_prob();
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comp_mode_prob[i] = TRY(diff_update_prob(decoder, comp_mode_prob[i]));
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comp_mode_prob[i] = diff_update_prob(decoder, comp_mode_prob[i]);
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}
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}
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if (frame_context.reference_mode != CompoundReference) {
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for (auto i = 0; i < REF_CONTEXTS; i++) {
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auto& single_ref_prob = m_probability_tables->single_ref_prob();
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single_ref_prob[i][0] = TRY(diff_update_prob(decoder, single_ref_prob[i][0]));
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single_ref_prob[i][1] = TRY(diff_update_prob(decoder, single_ref_prob[i][1]));
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single_ref_prob[i][0] = diff_update_prob(decoder, single_ref_prob[i][0]);
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single_ref_prob[i][1] = diff_update_prob(decoder, single_ref_prob[i][1]);
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}
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}
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if (frame_context.reference_mode != SingleReference) {
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for (auto i = 0; i < REF_CONTEXTS; i++) {
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auto& comp_ref_prob = m_probability_tables->comp_ref_prob();
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comp_ref_prob[i] = TRY(diff_update_prob(decoder, comp_ref_prob[i]));
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comp_ref_prob[i] = diff_update_prob(decoder, comp_ref_prob[i]);
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}
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}
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return {};
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}
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DecoderErrorOr<void> Parser::read_y_mode_probs(BooleanDecoder& decoder)
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void Parser::read_y_mode_probs(BooleanDecoder& decoder)
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{
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for (auto i = 0; i < BLOCK_SIZE_GROUPS; i++) {
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for (auto j = 0; j < INTRA_MODES - 1; j++) {
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auto& y_mode_probs = m_probability_tables->y_mode_probs();
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y_mode_probs[i][j] = TRY(diff_update_prob(decoder, y_mode_probs[i][j]));
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y_mode_probs[i][j] = diff_update_prob(decoder, y_mode_probs[i][j]);
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}
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}
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return {};
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}
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DecoderErrorOr<void> Parser::read_partition_probs(BooleanDecoder& decoder)
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void Parser::read_partition_probs(BooleanDecoder& decoder)
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{
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for (auto i = 0; i < PARTITION_CONTEXTS; i++) {
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for (auto j = 0; j < PARTITION_TYPES - 1; j++) {
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auto& partition_probs = m_probability_tables->partition_probs();
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partition_probs[i][j] = TRY(diff_update_prob(decoder, partition_probs[i][j]));
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partition_probs[i][j] = diff_update_prob(decoder, partition_probs[i][j]);
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}
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}
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return {};
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}
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DecoderErrorOr<void> Parser::mv_probs(BooleanDecoder& decoder, FrameContext const& frame_context)
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void Parser::mv_probs(BooleanDecoder& decoder, FrameContext const& frame_context)
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{
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for (auto j = 0; j < MV_JOINTS - 1; j++) {
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auto& mv_joint_probs = m_probability_tables->mv_joint_probs();
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mv_joint_probs[j] = TRY(update_mv_prob(decoder, mv_joint_probs[j]));
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mv_joint_probs[j] = update_mv_prob(decoder, mv_joint_probs[j]);
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}
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for (auto i = 0; i < 2; i++) {
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auto& mv_sign_prob = m_probability_tables->mv_sign_prob();
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mv_sign_prob[i] = TRY(update_mv_prob(decoder, mv_sign_prob[i]));
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mv_sign_prob[i] = update_mv_prob(decoder, mv_sign_prob[i]);
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for (auto j = 0; j < MV_CLASSES - 1; j++) {
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auto& mv_class_probs = m_probability_tables->mv_class_probs();
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mv_class_probs[i][j] = TRY(update_mv_prob(decoder, mv_class_probs[i][j]));
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mv_class_probs[i][j] = update_mv_prob(decoder, mv_class_probs[i][j]);
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}
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auto& mv_class0_bit_prob = m_probability_tables->mv_class0_bit_prob();
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mv_class0_bit_prob[i] = TRY(update_mv_prob(decoder, mv_class0_bit_prob[i]));
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mv_class0_bit_prob[i] = update_mv_prob(decoder, mv_class0_bit_prob[i]);
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for (auto j = 0; j < MV_OFFSET_BITS; j++) {
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auto& mv_bits_prob = m_probability_tables->mv_bits_prob();
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mv_bits_prob[i][j] = TRY(update_mv_prob(decoder, mv_bits_prob[i][j]));
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mv_bits_prob[i][j] = update_mv_prob(decoder, mv_bits_prob[i][j]);
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}
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}
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@ -862,12 +852,12 @@ DecoderErrorOr<void> Parser::mv_probs(BooleanDecoder& decoder, FrameContext cons
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for (auto j = 0; j < CLASS0_SIZE; j++) {
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for (auto k = 0; k < MV_FR_SIZE - 1; k++) {
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auto& mv_class0_fr_probs = m_probability_tables->mv_class0_fr_probs();
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mv_class0_fr_probs[i][j][k] = TRY(update_mv_prob(decoder, mv_class0_fr_probs[i][j][k]));
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mv_class0_fr_probs[i][j][k] = update_mv_prob(decoder, mv_class0_fr_probs[i][j][k]);
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}
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}
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for (auto k = 0; k < MV_FR_SIZE - 1; k++) {
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auto& mv_fr_probs = m_probability_tables->mv_fr_probs();
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mv_fr_probs[i][k] = TRY(update_mv_prob(decoder, mv_fr_probs[i][k]));
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mv_fr_probs[i][k] = update_mv_prob(decoder, mv_fr_probs[i][k]);
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}
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}
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@ -875,18 +865,16 @@ DecoderErrorOr<void> Parser::mv_probs(BooleanDecoder& decoder, FrameContext cons
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for (auto i = 0; i < 2; i++) {
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auto& mv_class0_hp_prob = m_probability_tables->mv_class0_hp_prob();
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auto& mv_hp_prob = m_probability_tables->mv_hp_prob();
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mv_class0_hp_prob[i] = TRY(update_mv_prob(decoder, mv_class0_hp_prob[i]));
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mv_hp_prob[i] = TRY(update_mv_prob(decoder, mv_hp_prob[i]));
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mv_class0_hp_prob[i] = update_mv_prob(decoder, mv_class0_hp_prob[i]);
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mv_hp_prob[i] = update_mv_prob(decoder, mv_hp_prob[i]);
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}
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}
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return {};
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}
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DecoderErrorOr<u8> Parser::update_mv_prob(BooleanDecoder& decoder, u8 prob)
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u8 Parser::update_mv_prob(BooleanDecoder& decoder, u8 prob)
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{
|
||||
if (TRY_READ(decoder.read_bool(252))) {
|
||||
return (TRY_READ(decoder.read_literal(7)) << 1u) | 1u;
|
||||
if (decoder.read_bool(252)) {
|
||||
return (decoder.read_literal(7) << 1u) | 1u;
|
||||
}
|
||||
return prob;
|
||||
}
|
||||
|
@ -1024,7 +1012,7 @@ DecoderErrorOr<void> Parser::decode_partition(TileContext& tile_context, u32 row
|
|||
bool has_cols = (column + half_block_8x8) < tile_context.frame_context.columns();
|
||||
u32 row_in_tile = row - tile_context.rows_start;
|
||||
u32 column_in_tile = column - tile_context.columns_start;
|
||||
auto partition = TRY_READ(TreeParser::parse_partition(tile_context.decoder, *m_probability_tables, *tile_context.counter, has_rows, has_cols, subsize, num_8x8, tile_context.above_partition_context, tile_context.left_partition_context.span(), row_in_tile, column_in_tile, !tile_context.frame_context.is_inter_predicted()));
|
||||
auto partition = TreeParser::parse_partition(tile_context.decoder, *m_probability_tables, *tile_context.counter, has_rows, has_cols, subsize, num_8x8, tile_context.above_partition_context, tile_context.left_partition_context.span(), row_in_tile, column_in_tile, !tile_context.frame_context.is_inter_predicted());
|
||||
|
||||
auto child_subsize = subsize_lookup[partition][subsize];
|
||||
if (child_subsize < Block_8x8 || partition == PartitionNone) {
|
||||
|
@ -1066,7 +1054,7 @@ DecoderErrorOr<void> Parser::decode_block(TileContext& tile_context, u32 row, u3
|
|||
auto left_context = column > tile_context.columns_start ? tile_context.frame_block_contexts().at(row, column - 1) : FrameBlockContext();
|
||||
auto block_context = BlockContext::create(tile_context, row, column, subsize);
|
||||
|
||||
TRY(mode_info(block_context, above_context, left_context));
|
||||
mode_info(block_context, above_context, left_context);
|
||||
auto had_residual_tokens = TRY(residual(block_context, above_context.is_available, left_context.is_available));
|
||||
if (block_context.is_inter_predicted() && subsize >= Block_8x8 && !had_residual_tokens)
|
||||
block_context.should_skip_residuals = true;
|
||||
|
@ -1081,33 +1069,32 @@ DecoderErrorOr<void> Parser::decode_block(TileContext& tile_context, u32 row, u3
|
|||
return {};
|
||||
}
|
||||
|
||||
DecoderErrorOr<void> Parser::mode_info(BlockContext& block_context, FrameBlockContext above_context, FrameBlockContext left_context)
|
||||
void Parser::mode_info(BlockContext& block_context, FrameBlockContext above_context, FrameBlockContext left_context)
|
||||
{
|
||||
if (block_context.frame_context.is_inter_predicted())
|
||||
TRY(inter_frame_mode_info(block_context, above_context, left_context));
|
||||
inter_frame_mode_info(block_context, above_context, left_context);
|
||||
else
|
||||
TRY(intra_frame_mode_info(block_context, above_context, left_context));
|
||||
return {};
|
||||
intra_frame_mode_info(block_context, above_context, left_context);
|
||||
}
|
||||
|
||||
DecoderErrorOr<void> Parser::intra_frame_mode_info(BlockContext& block_context, FrameBlockContext above_context, FrameBlockContext left_context)
|
||||
void Parser::intra_frame_mode_info(BlockContext& block_context, FrameBlockContext above_context, FrameBlockContext left_context)
|
||||
{
|
||||
block_context.reference_frame_types = { ReferenceFrameType::None, ReferenceFrameType::None };
|
||||
VERIFY(!block_context.is_inter_predicted());
|
||||
TRY(set_intra_segment_id(block_context));
|
||||
block_context.should_skip_residuals = TRY(read_should_skip_residuals(block_context, above_context, left_context));
|
||||
block_context.transform_size = TRY(read_tx_size(block_context, above_context, left_context, true));
|
||||
set_intra_segment_id(block_context);
|
||||
block_context.should_skip_residuals = read_should_skip_residuals(block_context, above_context, left_context);
|
||||
block_context.transform_size = read_tx_size(block_context, above_context, left_context, true);
|
||||
// FIXME: This if statement is also present in parse_default_intra_mode. The selection of parameters for
|
||||
// the probability table lookup should be inlined here.
|
||||
if (block_context.size >= Block_8x8) {
|
||||
auto mode = TRY_READ(TreeParser::parse_default_intra_mode(block_context.decoder, *m_probability_tables, block_context.size, above_context, left_context, block_context.sub_block_prediction_modes, 0, 0));
|
||||
auto mode = TreeParser::parse_default_intra_mode(block_context.decoder, *m_probability_tables, block_context.size, above_context, left_context, block_context.sub_block_prediction_modes, 0, 0);
|
||||
for (auto& block_sub_mode : block_context.sub_block_prediction_modes)
|
||||
block_sub_mode = mode;
|
||||
} else {
|
||||
auto size_in_sub_blocks = block_context.get_size_in_sub_blocks();
|
||||
for (auto idy = 0; idy < 2; idy += size_in_sub_blocks.height()) {
|
||||
for (auto idx = 0; idx < 2; idx += size_in_sub_blocks.width()) {
|
||||
auto sub_mode = TRY_READ(TreeParser::parse_default_intra_mode(block_context.decoder, *m_probability_tables, block_context.size, above_context, left_context, block_context.sub_block_prediction_modes, idx, idy));
|
||||
auto sub_mode = TreeParser::parse_default_intra_mode(block_context.decoder, *m_probability_tables, block_context.size, above_context, left_context, block_context.sub_block_prediction_modes, idx, idy);
|
||||
|
||||
for (auto y = 0; y < size_in_sub_blocks.height(); y++) {
|
||||
for (auto x = 0; x < size_in_sub_blocks.width(); x++) {
|
||||
|
@ -1118,71 +1105,68 @@ DecoderErrorOr<void> Parser::intra_frame_mode_info(BlockContext& block_context,
|
|||
}
|
||||
}
|
||||
}
|
||||
block_context.uv_prediction_mode = TRY_READ(TreeParser::parse_default_uv_mode(block_context.decoder, *m_probability_tables, block_context.y_prediction_mode()));
|
||||
return {};
|
||||
block_context.uv_prediction_mode = TreeParser::parse_default_uv_mode(block_context.decoder, *m_probability_tables, block_context.y_prediction_mode());
|
||||
}
|
||||
|
||||
DecoderErrorOr<void> Parser::set_intra_segment_id(BlockContext& block_context)
|
||||
void Parser::set_intra_segment_id(BlockContext& block_context)
|
||||
{
|
||||
if (block_context.frame_context.segmentation_enabled && block_context.frame_context.use_full_segment_id_tree)
|
||||
block_context.segment_id = TRY_READ(TreeParser::parse_segment_id(block_context.decoder, block_context.frame_context.full_segment_id_tree_probabilities));
|
||||
block_context.segment_id = TreeParser::parse_segment_id(block_context.decoder, block_context.frame_context.full_segment_id_tree_probabilities);
|
||||
else
|
||||
block_context.segment_id = 0;
|
||||
return {};
|
||||
}
|
||||
|
||||
DecoderErrorOr<bool> Parser::read_should_skip_residuals(BlockContext& block_context, FrameBlockContext above_context, FrameBlockContext left_context)
|
||||
bool Parser::read_should_skip_residuals(BlockContext& block_context, FrameBlockContext above_context, FrameBlockContext left_context)
|
||||
{
|
||||
if (block_context.get_segment_feature(SegmentFeature::SkipResidualsOverride).enabled)
|
||||
return true;
|
||||
return TRY_READ(TreeParser::parse_skip(block_context.decoder, *m_probability_tables, block_context.counter, above_context, left_context));
|
||||
return TreeParser::parse_skip(block_context.decoder, *m_probability_tables, block_context.counter, above_context, left_context);
|
||||
}
|
||||
|
||||
DecoderErrorOr<TransformSize> Parser::read_tx_size(BlockContext& block_context, FrameBlockContext above_context, FrameBlockContext left_context, bool allow_select)
|
||||
TransformSize Parser::read_tx_size(BlockContext& block_context, FrameBlockContext above_context, FrameBlockContext left_context, bool allow_select)
|
||||
{
|
||||
auto max_tx_size = max_txsize_lookup[block_context.size];
|
||||
if (allow_select && block_context.frame_context.transform_mode == TransformMode::Select && block_context.size >= Block_8x8)
|
||||
return (TRY_READ(TreeParser::parse_tx_size(block_context.decoder, *m_probability_tables, block_context.counter, max_tx_size, above_context, left_context)));
|
||||
return (TreeParser::parse_tx_size(block_context.decoder, *m_probability_tables, block_context.counter, max_tx_size, above_context, left_context));
|
||||
return min(max_tx_size, tx_mode_to_biggest_tx_size[to_underlying(block_context.frame_context.transform_mode)]);
|
||||
}
|
||||
|
||||
DecoderErrorOr<void> Parser::inter_frame_mode_info(BlockContext& block_context, FrameBlockContext above_context, FrameBlockContext left_context)
|
||||
void Parser::inter_frame_mode_info(BlockContext& block_context, FrameBlockContext above_context, FrameBlockContext left_context)
|
||||
{
|
||||
TRY(set_inter_segment_id(block_context));
|
||||
block_context.should_skip_residuals = TRY(read_should_skip_residuals(block_context, above_context, left_context));
|
||||
auto is_inter = TRY(read_is_inter(block_context, above_context, left_context));
|
||||
block_context.transform_size = TRY(read_tx_size(block_context, above_context, left_context, !block_context.should_skip_residuals || !is_inter));
|
||||
set_inter_segment_id(block_context);
|
||||
block_context.should_skip_residuals = read_should_skip_residuals(block_context, above_context, left_context);
|
||||
auto is_inter = read_is_inter(block_context, above_context, left_context);
|
||||
block_context.transform_size = read_tx_size(block_context, above_context, left_context, !block_context.should_skip_residuals || !is_inter);
|
||||
if (is_inter) {
|
||||
TRY(inter_block_mode_info(block_context, above_context, left_context));
|
||||
inter_block_mode_info(block_context, above_context, left_context);
|
||||
} else {
|
||||
TRY(intra_block_mode_info(block_context));
|
||||
intra_block_mode_info(block_context);
|
||||
}
|
||||
return {};
|
||||
}
|
||||
|
||||
DecoderErrorOr<void> Parser::set_inter_segment_id(BlockContext& block_context)
|
||||
void Parser::set_inter_segment_id(BlockContext& block_context)
|
||||
{
|
||||
if (!block_context.frame_context.segmentation_enabled) {
|
||||
block_context.segment_id = 0;
|
||||
return {};
|
||||
return;
|
||||
}
|
||||
auto predicted_segment_id = get_segment_id(block_context);
|
||||
if (!block_context.frame_context.use_full_segment_id_tree) {
|
||||
block_context.segment_id = predicted_segment_id;
|
||||
return {};
|
||||
return;
|
||||
}
|
||||
if (!block_context.frame_context.use_predicted_segment_id_tree) {
|
||||
block_context.segment_id = TRY_READ(TreeParser::parse_segment_id(block_context.decoder, block_context.frame_context.full_segment_id_tree_probabilities));
|
||||
return {};
|
||||
block_context.segment_id = TreeParser::parse_segment_id(block_context.decoder, block_context.frame_context.full_segment_id_tree_probabilities);
|
||||
return;
|
||||
}
|
||||
|
||||
auto above_segmentation_id = block_context.tile_context.above_segmentation_ids[block_context.row - block_context.tile_context.rows_start];
|
||||
auto left_segmentation_id = block_context.tile_context.left_segmentation_ids[block_context.column - block_context.tile_context.columns_start];
|
||||
auto seg_id_predicted = TRY_READ(TreeParser::parse_segment_id_predicted(block_context.decoder, block_context.frame_context.predicted_segment_id_tree_probabilities, above_segmentation_id, left_segmentation_id));
|
||||
auto seg_id_predicted = TreeParser::parse_segment_id_predicted(block_context.decoder, block_context.frame_context.predicted_segment_id_tree_probabilities, above_segmentation_id, left_segmentation_id);
|
||||
if (seg_id_predicted)
|
||||
block_context.segment_id = predicted_segment_id;
|
||||
else
|
||||
block_context.segment_id = TRY_READ(TreeParser::parse_segment_id(block_context.decoder, block_context.frame_context.full_segment_id_tree_probabilities));
|
||||
block_context.segment_id = TreeParser::parse_segment_id(block_context.decoder, block_context.frame_context.full_segment_id_tree_probabilities);
|
||||
|
||||
// (7.4.1) AboveSegPredContext[ i ] only needs to be set to 0 for i = 0..MiCols-1.
|
||||
// This is taken care of by the slicing in BlockContext.
|
||||
|
@ -1190,7 +1174,6 @@ DecoderErrorOr<void> Parser::set_inter_segment_id(BlockContext& block_context)
|
|||
// (7.4.1) LeftSegPredContext[ i ] only needs to be set to 0 for i = 0..MiRows-1.
|
||||
// This is taken care of by the slicing in BlockContext.
|
||||
block_context.left_segmentation_ids.fill(seg_id_predicted);
|
||||
return {};
|
||||
}
|
||||
|
||||
u8 Parser::get_segment_id(BlockContext const& block_context)
|
||||
|
@ -1208,28 +1191,28 @@ u8 Parser::get_segment_id(BlockContext const& block_context)
|
|||
return segment;
|
||||
}
|
||||
|
||||
DecoderErrorOr<bool> Parser::read_is_inter(BlockContext& block_context, FrameBlockContext above_context, FrameBlockContext left_context)
|
||||
bool Parser::read_is_inter(BlockContext& block_context, FrameBlockContext above_context, FrameBlockContext left_context)
|
||||
{
|
||||
auto reference_frame_override_feature = block_context.get_segment_feature(SegmentFeature::ReferenceFrameOverride);
|
||||
if (reference_frame_override_feature.enabled)
|
||||
return reference_frame_override_feature.value != ReferenceFrameType::None;
|
||||
return TRY_READ(TreeParser::parse_block_is_inter_predicted(block_context.decoder, *m_probability_tables, block_context.counter, above_context, left_context));
|
||||
return TreeParser::parse_block_is_inter_predicted(block_context.decoder, *m_probability_tables, block_context.counter, above_context, left_context);
|
||||
}
|
||||
|
||||
DecoderErrorOr<void> Parser::intra_block_mode_info(BlockContext& block_context)
|
||||
void Parser::intra_block_mode_info(BlockContext& block_context)
|
||||
{
|
||||
block_context.reference_frame_types = { ReferenceFrameType::None, ReferenceFrameType::None };
|
||||
VERIFY(!block_context.is_inter_predicted());
|
||||
auto& sub_modes = block_context.sub_block_prediction_modes;
|
||||
if (block_context.size >= Block_8x8) {
|
||||
auto mode = TRY_READ(TreeParser::parse_intra_mode(block_context.decoder, *m_probability_tables, block_context.counter, block_context.size));
|
||||
auto mode = TreeParser::parse_intra_mode(block_context.decoder, *m_probability_tables, block_context.counter, block_context.size);
|
||||
for (auto& block_sub_mode : sub_modes)
|
||||
block_sub_mode = mode;
|
||||
} else {
|
||||
auto size_in_sub_blocks = block_context.get_size_in_sub_blocks();
|
||||
for (auto idy = 0; idy < 2; idy += size_in_sub_blocks.height()) {
|
||||
for (auto idx = 0; idx < 2; idx += size_in_sub_blocks.width()) {
|
||||
auto sub_intra_mode = TRY_READ(TreeParser::parse_sub_intra_mode(block_context.decoder, *m_probability_tables, block_context.counter));
|
||||
auto sub_intra_mode = TreeParser::parse_sub_intra_mode(block_context.decoder, *m_probability_tables, block_context.counter);
|
||||
for (auto y = 0; y < size_in_sub_blocks.height(); y++) {
|
||||
for (auto x = 0; x < size_in_sub_blocks.width(); x++)
|
||||
sub_modes[(idy + y) * 2 + idx + x] = sub_intra_mode;
|
||||
|
@ -1237,15 +1220,14 @@ DecoderErrorOr<void> Parser::intra_block_mode_info(BlockContext& block_context)
|
|||
}
|
||||
}
|
||||
}
|
||||
block_context.uv_prediction_mode = TRY_READ(TreeParser::parse_uv_mode(block_context.decoder, *m_probability_tables, block_context.counter, block_context.y_prediction_mode()));
|
||||
return {};
|
||||
block_context.uv_prediction_mode = TreeParser::parse_uv_mode(block_context.decoder, *m_probability_tables, block_context.counter, block_context.y_prediction_mode());
|
||||
}
|
||||
|
||||
static void select_best_reference_motion_vectors(BlockContext& block_context, MotionVectorPair reference_motion_vectors, BlockMotionVectorCandidates& candidates, ReferenceIndex);
|
||||
|
||||
DecoderErrorOr<void> Parser::inter_block_mode_info(BlockContext& block_context, FrameBlockContext above_context, FrameBlockContext left_context)
|
||||
void Parser::inter_block_mode_info(BlockContext& block_context, FrameBlockContext above_context, FrameBlockContext left_context)
|
||||
{
|
||||
TRY(read_ref_frames(block_context, above_context, left_context));
|
||||
read_ref_frames(block_context, above_context, left_context);
|
||||
VERIFY(block_context.is_inter_predicted());
|
||||
|
||||
BlockMotionVectorCandidates motion_vector_candidates;
|
||||
|
@ -1259,23 +1241,23 @@ DecoderErrorOr<void> Parser::inter_block_mode_info(BlockContext& block_context,
|
|||
if (block_context.get_segment_feature(SegmentFeature::SkipResidualsOverride).enabled) {
|
||||
block_context.y_prediction_mode() = PredictionMode::ZeroMv;
|
||||
} else if (block_context.size >= Block_8x8) {
|
||||
block_context.y_prediction_mode() = TRY_READ(TreeParser::parse_inter_mode(block_context.decoder, *m_probability_tables, block_context.counter, block_context.mode_context[block_context.reference_frame_types.primary]));
|
||||
block_context.y_prediction_mode() = TreeParser::parse_inter_mode(block_context.decoder, *m_probability_tables, block_context.counter, block_context.mode_context[block_context.reference_frame_types.primary]);
|
||||
}
|
||||
if (block_context.frame_context.interpolation_filter == Switchable)
|
||||
block_context.interpolation_filter = TRY_READ(TreeParser::parse_interpolation_filter(block_context.decoder, *m_probability_tables, block_context.counter, above_context, left_context));
|
||||
block_context.interpolation_filter = TreeParser::parse_interpolation_filter(block_context.decoder, *m_probability_tables, block_context.counter, above_context, left_context);
|
||||
else
|
||||
block_context.interpolation_filter = block_context.frame_context.interpolation_filter;
|
||||
if (block_context.size < Block_8x8) {
|
||||
auto size_in_sub_blocks = block_context.get_size_in_sub_blocks();
|
||||
for (auto idy = 0; idy < 2; idy += size_in_sub_blocks.height()) {
|
||||
for (auto idx = 0; idx < 2; idx += size_in_sub_blocks.width()) {
|
||||
block_context.y_prediction_mode() = TRY_READ(TreeParser::parse_inter_mode(block_context.decoder, *m_probability_tables, block_context.counter, block_context.mode_context[block_context.reference_frame_types.primary]));
|
||||
block_context.y_prediction_mode() = TreeParser::parse_inter_mode(block_context.decoder, *m_probability_tables, block_context.counter, block_context.mode_context[block_context.reference_frame_types.primary]);
|
||||
if (block_context.y_prediction_mode() == PredictionMode::NearestMv || block_context.y_prediction_mode() == PredictionMode::NearMv) {
|
||||
select_best_sub_block_reference_motion_vectors(block_context, motion_vector_candidates, idy * 2 + idx, ReferenceIndex::Primary);
|
||||
if (block_context.is_compound())
|
||||
select_best_sub_block_reference_motion_vectors(block_context, motion_vector_candidates, idy * 2 + idx, ReferenceIndex::Secondary);
|
||||
}
|
||||
auto new_motion_vector_pair = TRY(get_motion_vector(block_context, motion_vector_candidates));
|
||||
auto new_motion_vector_pair = get_motion_vector(block_context, motion_vector_candidates);
|
||||
for (auto y = 0; y < size_in_sub_blocks.height(); y++) {
|
||||
for (auto x = 0; x < size_in_sub_blocks.width(); x++) {
|
||||
auto sub_block_index = (idy + y) * 2 + idx + x;
|
||||
|
@ -1284,26 +1266,25 @@ DecoderErrorOr<void> Parser::inter_block_mode_info(BlockContext& block_context,
|
|||
}
|
||||
}
|
||||
}
|
||||
return {};
|
||||
return;
|
||||
}
|
||||
auto new_motion_vector_pair = TRY(get_motion_vector(block_context, motion_vector_candidates));
|
||||
auto new_motion_vector_pair = get_motion_vector(block_context, motion_vector_candidates);
|
||||
for (auto block = 0; block < 4; block++)
|
||||
block_context.sub_block_motion_vectors[block] = new_motion_vector_pair;
|
||||
return {};
|
||||
}
|
||||
|
||||
DecoderErrorOr<void> Parser::read_ref_frames(BlockContext& block_context, FrameBlockContext above_context, FrameBlockContext left_context)
|
||||
void Parser::read_ref_frames(BlockContext& block_context, FrameBlockContext above_context, FrameBlockContext left_context)
|
||||
{
|
||||
auto reference_frame_override_feature = block_context.get_segment_feature(SegmentFeature::ReferenceFrameOverride);
|
||||
if (reference_frame_override_feature.enabled) {
|
||||
block_context.reference_frame_types = { static_cast<ReferenceFrameType>(reference_frame_override_feature.value), ReferenceFrameType::None };
|
||||
return {};
|
||||
return;
|
||||
}
|
||||
|
||||
ReferenceMode compound_mode = block_context.frame_context.reference_mode;
|
||||
auto fixed_reference = block_context.frame_context.fixed_reference_type;
|
||||
if (compound_mode == ReferenceModeSelect)
|
||||
compound_mode = TRY_READ(TreeParser::parse_comp_mode(block_context.decoder, *m_probability_tables, block_context.counter, fixed_reference, above_context, left_context));
|
||||
compound_mode = TreeParser::parse_comp_mode(block_context.decoder, *m_probability_tables, block_context.counter, fixed_reference, above_context, left_context);
|
||||
if (compound_mode == CompoundReference) {
|
||||
auto variable_references = block_context.frame_context.variable_reference_types;
|
||||
|
||||
|
@ -1312,32 +1293,31 @@ DecoderErrorOr<void> Parser::read_ref_frames(BlockContext& block_context, FrameB
|
|||
if (block_context.frame_context.reference_frame_sign_biases[fixed_reference])
|
||||
swap(fixed_reference_index, variable_reference_index);
|
||||
|
||||
auto variable_reference_selection = TRY_READ(TreeParser::parse_comp_ref(block_context.decoder, *m_probability_tables, block_context.counter, fixed_reference, variable_references, variable_reference_index, above_context, left_context));
|
||||
auto variable_reference_selection = TreeParser::parse_comp_ref(block_context.decoder, *m_probability_tables, block_context.counter, fixed_reference, variable_references, variable_reference_index, above_context, left_context);
|
||||
|
||||
block_context.reference_frame_types[fixed_reference_index] = fixed_reference;
|
||||
block_context.reference_frame_types[variable_reference_index] = variable_references[variable_reference_selection];
|
||||
return {};
|
||||
return;
|
||||
}
|
||||
|
||||
// FIXME: Maybe consolidate this into a tree. Context is different between part 1 and 2 but still, it would look nice here.
|
||||
ReferenceFrameType primary_type = ReferenceFrameType::LastFrame;
|
||||
auto single_ref_p1 = TRY_READ(TreeParser::parse_single_ref_part_1(block_context.decoder, *m_probability_tables, block_context.counter, above_context, left_context));
|
||||
auto single_ref_p1 = TreeParser::parse_single_ref_part_1(block_context.decoder, *m_probability_tables, block_context.counter, above_context, left_context);
|
||||
if (single_ref_p1) {
|
||||
auto single_ref_p2 = TRY_READ(TreeParser::parse_single_ref_part_2(block_context.decoder, *m_probability_tables, block_context.counter, above_context, left_context));
|
||||
auto single_ref_p2 = TreeParser::parse_single_ref_part_2(block_context.decoder, *m_probability_tables, block_context.counter, above_context, left_context);
|
||||
primary_type = single_ref_p2 ? ReferenceFrameType::AltRefFrame : ReferenceFrameType::GoldenFrame;
|
||||
}
|
||||
block_context.reference_frame_types = { primary_type, ReferenceFrameType::None };
|
||||
return {};
|
||||
}
|
||||
|
||||
// assign_mv( isCompound ) in the spec.
|
||||
DecoderErrorOr<MotionVectorPair> Parser::get_motion_vector(BlockContext const& block_context, BlockMotionVectorCandidates const& candidates)
|
||||
MotionVectorPair Parser::get_motion_vector(BlockContext const& block_context, BlockMotionVectorCandidates const& candidates)
|
||||
{
|
||||
MotionVectorPair result;
|
||||
auto read_one = [&](ReferenceIndex index) -> DecoderErrorOr<void> {
|
||||
auto read_one = [&](ReferenceIndex index) -> void {
|
||||
switch (block_context.y_prediction_mode()) {
|
||||
case PredictionMode::NewMv:
|
||||
result[index] = TRY(read_motion_vector(block_context, candidates, index));
|
||||
result[index] = read_motion_vector(block_context, candidates, index);
|
||||
break;
|
||||
case PredictionMode::NearestMv:
|
||||
result[index] = candidates[index].nearest_vector;
|
||||
|
@ -1349,11 +1329,11 @@ DecoderErrorOr<MotionVectorPair> Parser::get_motion_vector(BlockContext const& b
|
|||
result[index] = {};
|
||||
break;
|
||||
}
|
||||
return {};
|
||||
return;
|
||||
};
|
||||
TRY(read_one(ReferenceIndex::Primary));
|
||||
read_one(ReferenceIndex::Primary);
|
||||
if (block_context.is_compound())
|
||||
TRY(read_one(ReferenceIndex::Secondary));
|
||||
read_one(ReferenceIndex::Secondary);
|
||||
return result;
|
||||
}
|
||||
|
||||
|
@ -1364,39 +1344,39 @@ static bool should_use_high_precision_motion_vector(MotionVector const& delta_ve
|
|||
}
|
||||
|
||||
// read_mv( ref ) in the spec.
|
||||
DecoderErrorOr<MotionVector> Parser::read_motion_vector(BlockContext const& block_context, BlockMotionVectorCandidates const& candidates, ReferenceIndex reference_index)
|
||||
MotionVector Parser::read_motion_vector(BlockContext const& block_context, BlockMotionVectorCandidates const& candidates, ReferenceIndex reference_index)
|
||||
{
|
||||
auto use_high_precision = block_context.frame_context.high_precision_motion_vectors_allowed && should_use_high_precision_motion_vector(candidates[reference_index].best_vector);
|
||||
MotionVector delta_vector;
|
||||
auto joint = TRY_READ(TreeParser::parse_motion_vector_joint(block_context.decoder, *m_probability_tables, block_context.counter));
|
||||
auto joint = TreeParser::parse_motion_vector_joint(block_context.decoder, *m_probability_tables, block_context.counter);
|
||||
if ((joint & MotionVectorNonZeroRow) != 0)
|
||||
delta_vector.set_row(TRY(read_single_motion_vector_component(block_context.decoder, block_context.counter, 0, use_high_precision)));
|
||||
delta_vector.set_row(read_single_motion_vector_component(block_context.decoder, block_context.counter, 0, use_high_precision));
|
||||
if ((joint & MotionVectorNonZeroColumn) != 0)
|
||||
delta_vector.set_column(TRY(read_single_motion_vector_component(block_context.decoder, block_context.counter, 1, use_high_precision)));
|
||||
delta_vector.set_column(read_single_motion_vector_component(block_context.decoder, block_context.counter, 1, use_high_precision));
|
||||
|
||||
return candidates[reference_index].best_vector + delta_vector;
|
||||
}
|
||||
|
||||
// read_mv_component( comp ) in the spec.
|
||||
DecoderErrorOr<i32> Parser::read_single_motion_vector_component(BooleanDecoder& decoder, SyntaxElementCounter& counter, u8 component, bool use_high_precision)
|
||||
i32 Parser::read_single_motion_vector_component(BooleanDecoder& decoder, SyntaxElementCounter& counter, u8 component, bool use_high_precision)
|
||||
{
|
||||
auto mv_sign = TRY_READ(TreeParser::parse_motion_vector_sign(decoder, *m_probability_tables, counter, component));
|
||||
auto mv_class = TRY_READ(TreeParser::parse_motion_vector_class(decoder, *m_probability_tables, counter, component));
|
||||
auto mv_sign = TreeParser::parse_motion_vector_sign(decoder, *m_probability_tables, counter, component);
|
||||
auto mv_class = TreeParser::parse_motion_vector_class(decoder, *m_probability_tables, counter, component);
|
||||
u32 magnitude;
|
||||
if (mv_class == MvClass0) {
|
||||
auto mv_class0_bit = TRY_READ(TreeParser::parse_motion_vector_class0_bit(decoder, *m_probability_tables, counter, component));
|
||||
auto mv_class0_fr = TRY_READ(TreeParser::parse_motion_vector_class0_fr(decoder, *m_probability_tables, counter, component, mv_class0_bit));
|
||||
auto mv_class0_hp = TRY_READ(TreeParser::parse_motion_vector_class0_hp(decoder, *m_probability_tables, counter, component, use_high_precision));
|
||||
auto mv_class0_bit = TreeParser::parse_motion_vector_class0_bit(decoder, *m_probability_tables, counter, component);
|
||||
auto mv_class0_fr = TreeParser::parse_motion_vector_class0_fr(decoder, *m_probability_tables, counter, component, mv_class0_bit);
|
||||
auto mv_class0_hp = TreeParser::parse_motion_vector_class0_hp(decoder, *m_probability_tables, counter, component, use_high_precision);
|
||||
magnitude = ((mv_class0_bit << 3) | (mv_class0_fr << 1) | mv_class0_hp) + 1;
|
||||
} else {
|
||||
u32 bits = 0;
|
||||
for (u8 i = 0; i < mv_class; i++) {
|
||||
auto mv_bit = TRY_READ(TreeParser::parse_motion_vector_bit(decoder, *m_probability_tables, counter, component, i));
|
||||
auto mv_bit = TreeParser::parse_motion_vector_bit(decoder, *m_probability_tables, counter, component, i);
|
||||
bits |= mv_bit << i;
|
||||
}
|
||||
magnitude = CLASS0_SIZE << (mv_class + 2);
|
||||
auto mv_fr = TRY_READ(TreeParser::parse_motion_vector_fr(decoder, *m_probability_tables, counter, component));
|
||||
auto mv_hp = TRY_READ(TreeParser::parse_motion_vector_hp(decoder, *m_probability_tables, counter, component, use_high_precision));
|
||||
auto mv_fr = TreeParser::parse_motion_vector_fr(decoder, *m_probability_tables, counter, component);
|
||||
auto mv_hp = TreeParser::parse_motion_vector_hp(decoder, *m_probability_tables, counter, component, use_high_precision);
|
||||
magnitude += ((bits << 3) | (mv_fr << 1) | mv_hp) + 1;
|
||||
}
|
||||
return (mv_sign ? -1 : 1) * static_cast<i32>(magnitude);
|
||||
|
@ -1462,7 +1442,7 @@ DecoderErrorOr<bool> Parser::residual(BlockContext& block_context, bool has_bloc
|
|||
TRY(m_decoder.predict_intra(plane, block_context, transform_x_in_px, transform_y_in_px, has_block_left || x > 0, has_block_above || y > 0, (x + transform_size_in_sub_blocks) < block_size_in_sub_blocks.width(), transform_size, sub_block_index));
|
||||
if (!block_context.should_skip_residuals) {
|
||||
auto transform_set = select_transform_type(block_context, plane, transform_size, sub_block_index);
|
||||
sub_block_had_non_zero_tokens = TRY(tokens(block_context, plane, x, y, transform_size, transform_set, token_cache));
|
||||
sub_block_had_non_zero_tokens = tokens(block_context, plane, x, y, transform_size, transform_set, token_cache);
|
||||
block_had_non_zero_tokens = block_had_non_zero_tokens || sub_block_had_non_zero_tokens;
|
||||
TRY(m_decoder.reconstruct(plane, block_context, transform_x_in_px, transform_y_in_px, transform_size, transform_set));
|
||||
}
|
||||
|
@ -1514,7 +1494,7 @@ static u16 const* get_scan(TransformSize transform_size, TransformSet transform_
|
|||
return default_scan_32x32;
|
||||
}
|
||||
|
||||
DecoderErrorOr<bool> Parser::tokens(BlockContext& block_context, size_t plane, u32 sub_block_column, u32 sub_block_row, TransformSize transform_size, TransformSet transform_set, Array<u8, 1024> token_cache)
|
||||
bool Parser::tokens(BlockContext& block_context, size_t plane, u32 sub_block_column, u32 sub_block_row, TransformSize transform_size, TransformSet transform_set, Array<u8, 1024> token_cache)
|
||||
{
|
||||
block_context.residual_tokens.fill(0);
|
||||
|
||||
|
@ -1532,10 +1512,10 @@ DecoderErrorOr<bool> Parser::tokens(BlockContext& block_context, size_t plane, u
|
|||
else
|
||||
tokens_context = TreeParser::get_context_for_other_tokens(token_cache, transform_size, transform_set, plane, token_position, block_context.is_inter_predicted(), band);
|
||||
|
||||
if (check_for_more_coefficients && !TRY_READ(TreeParser::parse_more_coefficients(block_context.decoder, *m_probability_tables, block_context.counter, tokens_context)))
|
||||
if (check_for_more_coefficients && !TreeParser::parse_more_coefficients(block_context.decoder, *m_probability_tables, block_context.counter, tokens_context))
|
||||
break;
|
||||
|
||||
auto token = TRY_READ(TreeParser::parse_token(block_context.decoder, *m_probability_tables, block_context.counter, tokens_context));
|
||||
auto token = TreeParser::parse_token(block_context.decoder, *m_probability_tables, block_context.counter, tokens_context);
|
||||
token_cache[token_position] = energy_class[token];
|
||||
|
||||
i32 coef;
|
||||
|
@ -1543,7 +1523,7 @@ DecoderErrorOr<bool> Parser::tokens(BlockContext& block_context, size_t plane, u
|
|||
coef = 0;
|
||||
check_for_more_coefficients = false;
|
||||
} else {
|
||||
coef = TRY(read_coef(block_context.decoder, block_context.frame_context.color_config.bit_depth, token));
|
||||
coef = read_coef(block_context.decoder, block_context.frame_context.color_config.bit_depth, token);
|
||||
check_for_more_coefficients = true;
|
||||
}
|
||||
block_context.residual_tokens[token_position] = coef;
|
||||
|
@ -1552,22 +1532,22 @@ DecoderErrorOr<bool> Parser::tokens(BlockContext& block_context, size_t plane, u
|
|||
return coef_index > 0;
|
||||
}
|
||||
|
||||
DecoderErrorOr<i32> Parser::read_coef(BooleanDecoder& decoder, u8 bit_depth, Token token)
|
||||
i32 Parser::read_coef(BooleanDecoder& decoder, u8 bit_depth, Token token)
|
||||
{
|
||||
auto cat = extra_bits[token][0];
|
||||
auto num_extra = extra_bits[token][1];
|
||||
i32 coef = extra_bits[token][2];
|
||||
if (token == DctValCat6) {
|
||||
for (size_t e = 0; e < (u8)(bit_depth - 8); e++) {
|
||||
auto high_bit = TRY_READ(decoder.read_bool(255));
|
||||
auto high_bit = decoder.read_bool(255);
|
||||
coef += high_bit << (5 + bit_depth - e);
|
||||
}
|
||||
}
|
||||
for (size_t e = 0; e < num_extra; e++) {
|
||||
auto coef_bit = TRY_READ(decoder.read_bool(cat_probs[cat][e]));
|
||||
auto coef_bit = decoder.read_bool(cat_probs[cat][e]);
|
||||
coef += coef_bit << (num_extra - 1 - e);
|
||||
}
|
||||
bool sign_bit = TRY_READ(decoder.read_literal(1));
|
||||
bool sign_bit = decoder.read_literal(1);
|
||||
coef = sign_bit ? -coef : coef;
|
||||
return coef;
|
||||
}
|
||||
|
|
|
@ -71,23 +71,23 @@ private:
|
|||
|
||||
/* (6.3) Compressed Header Syntax */
|
||||
DecoderErrorOr<void> compressed_header(FrameContext&);
|
||||
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&);
|
||||
TransformMode read_tx_mode(BooleanDecoder&, FrameContext const&);
|
||||
void tx_mode_probs(BooleanDecoder&);
|
||||
u8 diff_update_prob(BooleanDecoder&, u8 prob);
|
||||
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(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);
|
||||
void read_coef_probs(BooleanDecoder&, TransformMode);
|
||||
void read_skip_prob(BooleanDecoder&);
|
||||
void read_inter_mode_probs(BooleanDecoder&);
|
||||
void read_interp_filter_probs(BooleanDecoder&);
|
||||
void read_is_inter_probs(BooleanDecoder&);
|
||||
void frame_reference_mode(FrameContext&, BooleanDecoder&);
|
||||
void frame_reference_mode_probs(BooleanDecoder&, FrameContext const&);
|
||||
void read_y_mode_probs(BooleanDecoder&);
|
||||
void read_partition_probs(BooleanDecoder&);
|
||||
void mv_probs(BooleanDecoder&, FrameContext const&);
|
||||
u8 update_mv_prob(BooleanDecoder&, u8 prob);
|
||||
|
||||
/* (6.4) Decode Tiles Syntax */
|
||||
DecoderErrorOr<void> decode_tiles(FrameContext&);
|
||||
|
@ -95,24 +95,24 @@ private:
|
|||
void clear_left_context(TileContext&);
|
||||
DecoderErrorOr<void> decode_partition(TileContext&, u32 row, u32 column, BlockSubsize subsize);
|
||||
DecoderErrorOr<void> decode_block(TileContext&, u32 row, u32 column, BlockSubsize subsize);
|
||||
DecoderErrorOr<void> mode_info(BlockContext&, FrameBlockContext above_context, FrameBlockContext left_context);
|
||||
DecoderErrorOr<void> intra_frame_mode_info(BlockContext&, FrameBlockContext above_context, FrameBlockContext left_context);
|
||||
DecoderErrorOr<void> set_intra_segment_id(BlockContext&);
|
||||
DecoderErrorOr<bool> read_should_skip_residuals(BlockContext&, FrameBlockContext above_context, FrameBlockContext left_context);
|
||||
DecoderErrorOr<TransformSize> read_tx_size(BlockContext&, FrameBlockContext above_context, FrameBlockContext left_context, bool allow_select);
|
||||
DecoderErrorOr<void> inter_frame_mode_info(BlockContext&, FrameBlockContext above_context, FrameBlockContext left_context);
|
||||
DecoderErrorOr<void> set_inter_segment_id(BlockContext&);
|
||||
void mode_info(BlockContext&, FrameBlockContext above_context, FrameBlockContext left_context);
|
||||
void intra_frame_mode_info(BlockContext&, FrameBlockContext above_context, FrameBlockContext left_context);
|
||||
void set_intra_segment_id(BlockContext&);
|
||||
bool read_should_skip_residuals(BlockContext&, FrameBlockContext above_context, FrameBlockContext left_context);
|
||||
TransformSize read_tx_size(BlockContext&, FrameBlockContext above_context, FrameBlockContext left_context, bool allow_select);
|
||||
void inter_frame_mode_info(BlockContext&, FrameBlockContext above_context, FrameBlockContext left_context);
|
||||
void set_inter_segment_id(BlockContext&);
|
||||
u8 get_segment_id(BlockContext const&);
|
||||
DecoderErrorOr<bool> read_is_inter(BlockContext&, FrameBlockContext above_context, FrameBlockContext left_context);
|
||||
DecoderErrorOr<void> intra_block_mode_info(BlockContext&);
|
||||
DecoderErrorOr<void> inter_block_mode_info(BlockContext&, FrameBlockContext above_context, FrameBlockContext left_context);
|
||||
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(BooleanDecoder&, SyntaxElementCounter&, u8 component, bool use_high_precision);
|
||||
bool read_is_inter(BlockContext&, FrameBlockContext above_context, FrameBlockContext left_context);
|
||||
void intra_block_mode_info(BlockContext&);
|
||||
void inter_block_mode_info(BlockContext&, FrameBlockContext above_context, FrameBlockContext left_context);
|
||||
void read_ref_frames(BlockContext&, FrameBlockContext above_context, FrameBlockContext left_context);
|
||||
MotionVectorPair get_motion_vector(BlockContext const&, BlockMotionVectorCandidates const&);
|
||||
MotionVector read_motion_vector(BlockContext const&, BlockMotionVectorCandidates const&, ReferenceIndex);
|
||||
i32 read_single_motion_vector_component(BooleanDecoder&, SyntaxElementCounter&, 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(BooleanDecoder&, u8 bit_depth, Token token);
|
||||
bool tokens(BlockContext&, size_t plane, u32 x, u32 y, TransformSize, TransformSet, Array<u8, 1024> token_cache);
|
||||
i32 read_coef(BooleanDecoder&, u8 bit_depth, Token token);
|
||||
|
||||
/* (6.5) Motion Vector Prediction */
|
||||
MotionVectorPair find_reference_motion_vectors(BlockContext&, ReferenceFrameType, i32 block);
|
||||
|
|
|
@ -51,7 +51,7 @@ private:
|
|||
};
|
||||
|
||||
template<typename OutputType>
|
||||
inline ErrorOr<OutputType> parse_tree(BooleanDecoder& decoder, TreeSelection tree_selection, Function<u8(u8)> const& probability_getter)
|
||||
inline OutputType parse_tree(BooleanDecoder& decoder, TreeSelection tree_selection, Function<u8(u8)> const& probability_getter)
|
||||
{
|
||||
// 9.3.3: The tree decoding function.
|
||||
if (tree_selection.is_single_value())
|
||||
|
@ -61,13 +61,13 @@ inline ErrorOr<OutputType> parse_tree(BooleanDecoder& decoder, TreeSelection tre
|
|||
int n = 0;
|
||||
do {
|
||||
u8 node = n >> 1;
|
||||
n = tree[n + TRY(decoder.read_bool(probability_getter(node)))];
|
||||
n = tree[n + decoder.read_bool(probability_getter(node))];
|
||||
} while (n > 0);
|
||||
|
||||
return static_cast<OutputType>(-n);
|
||||
}
|
||||
|
||||
ErrorOr<Partition> TreeParser::parse_partition(BooleanDecoder& decoder, ProbabilityTables const& probability_table, SyntaxElementCounter& counter, bool has_rows, bool has_columns, BlockSubsize block_subsize, u8 num_8x8, PartitionContextView above_partition_context, PartitionContextView left_partition_context, u32 row, u32 column, bool frame_is_intra)
|
||||
Partition TreeParser::parse_partition(BooleanDecoder& decoder, ProbabilityTables const& probability_table, SyntaxElementCounter& counter, bool has_rows, bool has_columns, BlockSubsize block_subsize, u8 num_8x8, PartitionContextView above_partition_context, PartitionContextView left_partition_context, u32 row, u32 column, bool frame_is_intra)
|
||||
{
|
||||
// Tree array
|
||||
TreeSelection tree = { PartitionSplit };
|
||||
|
@ -100,12 +100,12 @@ ErrorOr<Partition> TreeParser::parse_partition(BooleanDecoder& decoder, Probabil
|
|||
return probabilities[2];
|
||||
};
|
||||
|
||||
auto value = TRY(parse_tree<Partition>(decoder, tree, probability_getter));
|
||||
auto value = parse_tree<Partition>(decoder, tree, probability_getter);
|
||||
counter.m_counts_partition[context][value]++;
|
||||
return value;
|
||||
}
|
||||
|
||||
ErrorOr<PredictionMode> TreeParser::parse_default_intra_mode(BooleanDecoder& decoder, ProbabilityTables const& probability_table, BlockSubsize mi_size, FrameBlockContext above, FrameBlockContext left, Array<PredictionMode, 4> const& block_sub_modes, u8 index_x, u8 index_y)
|
||||
PredictionMode TreeParser::parse_default_intra_mode(BooleanDecoder& decoder, ProbabilityTables const& probability_table, BlockSubsize mi_size, FrameBlockContext above, FrameBlockContext left, Array<PredictionMode, 4> const& block_sub_modes, u8 index_x, u8 index_y)
|
||||
{
|
||||
// FIXME: This should use a struct for the above and left contexts.
|
||||
|
||||
|
@ -130,12 +130,12 @@ ErrorOr<PredictionMode> TreeParser::parse_default_intra_mode(BooleanDecoder& dec
|
|||
}
|
||||
u8 const* probabilities = probability_table.kf_y_mode_probs()[to_underlying(above_mode)][to_underlying(left_mode)];
|
||||
|
||||
auto value = TRY(parse_tree<PredictionMode>(decoder, tree, [&](u8 node) { return probabilities[node]; }));
|
||||
auto value = parse_tree<PredictionMode>(decoder, tree, [&](u8 node) { return probabilities[node]; });
|
||||
// Default intra mode is not counted.
|
||||
return value;
|
||||
}
|
||||
|
||||
ErrorOr<PredictionMode> TreeParser::parse_default_uv_mode(BooleanDecoder& decoder, ProbabilityTables const& probability_table, PredictionMode y_mode)
|
||||
PredictionMode TreeParser::parse_default_uv_mode(BooleanDecoder& decoder, ProbabilityTables const& probability_table, PredictionMode y_mode)
|
||||
{
|
||||
// Tree
|
||||
TreeSelection tree = { intra_mode_tree };
|
||||
|
@ -143,12 +143,12 @@ ErrorOr<PredictionMode> TreeParser::parse_default_uv_mode(BooleanDecoder& decode
|
|||
// Probabilities
|
||||
u8 const* probabilities = probability_table.kf_uv_mode_prob()[to_underlying(y_mode)];
|
||||
|
||||
auto value = TRY(parse_tree<PredictionMode>(decoder, tree, [&](u8 node) { return probabilities[node]; }));
|
||||
auto value = parse_tree<PredictionMode>(decoder, tree, [&](u8 node) { return probabilities[node]; });
|
||||
// Default UV mode is not counted.
|
||||
return value;
|
||||
}
|
||||
|
||||
ErrorOr<PredictionMode> TreeParser::parse_intra_mode(BooleanDecoder& decoder, ProbabilityTables const& probability_table, SyntaxElementCounter& counter, BlockSubsize mi_size)
|
||||
PredictionMode TreeParser::parse_intra_mode(BooleanDecoder& decoder, ProbabilityTables const& probability_table, SyntaxElementCounter& counter, BlockSubsize mi_size)
|
||||
{
|
||||
// Tree
|
||||
TreeSelection tree = { intra_mode_tree };
|
||||
|
@ -157,12 +157,12 @@ ErrorOr<PredictionMode> TreeParser::parse_intra_mode(BooleanDecoder& decoder, Pr
|
|||
auto context = size_group_lookup[mi_size];
|
||||
u8 const* probabilities = probability_table.y_mode_probs()[context];
|
||||
|
||||
auto value = TRY(parse_tree<PredictionMode>(decoder, tree, [&](u8 node) { return probabilities[node]; }));
|
||||
auto value = parse_tree<PredictionMode>(decoder, tree, [&](u8 node) { return probabilities[node]; });
|
||||
counter.m_counts_intra_mode[context][to_underlying(value)]++;
|
||||
return value;
|
||||
}
|
||||
|
||||
ErrorOr<PredictionMode> TreeParser::parse_sub_intra_mode(BooleanDecoder& decoder, ProbabilityTables const& probability_table, SyntaxElementCounter& counter)
|
||||
PredictionMode TreeParser::parse_sub_intra_mode(BooleanDecoder& decoder, ProbabilityTables const& probability_table, SyntaxElementCounter& counter)
|
||||
{
|
||||
// Tree
|
||||
TreeSelection tree = { intra_mode_tree };
|
||||
|
@ -170,12 +170,12 @@ ErrorOr<PredictionMode> TreeParser::parse_sub_intra_mode(BooleanDecoder& decoder
|
|||
// Probabilities
|
||||
u8 const* probabilities = probability_table.y_mode_probs()[0];
|
||||
|
||||
auto value = TRY(parse_tree<PredictionMode>(decoder, tree, [&](u8 node) { return probabilities[node]; }));
|
||||
auto value = parse_tree<PredictionMode>(decoder, tree, [&](u8 node) { return probabilities[node]; });
|
||||
counter.m_counts_intra_mode[0][to_underlying(value)]++;
|
||||
return value;
|
||||
}
|
||||
|
||||
ErrorOr<PredictionMode> TreeParser::parse_uv_mode(BooleanDecoder& decoder, ProbabilityTables const& probability_table, SyntaxElementCounter& counter, PredictionMode y_mode)
|
||||
PredictionMode TreeParser::parse_uv_mode(BooleanDecoder& decoder, ProbabilityTables const& probability_table, SyntaxElementCounter& counter, PredictionMode y_mode)
|
||||
{
|
||||
// Tree
|
||||
TreeSelection tree = { intra_mode_tree };
|
||||
|
@ -183,27 +183,27 @@ ErrorOr<PredictionMode> TreeParser::parse_uv_mode(BooleanDecoder& decoder, Proba
|
|||
// Probabilities
|
||||
u8 const* probabilities = probability_table.uv_mode_probs()[to_underlying(y_mode)];
|
||||
|
||||
auto value = TRY(parse_tree<PredictionMode>(decoder, tree, [&](u8 node) { return probabilities[node]; }));
|
||||
auto value = parse_tree<PredictionMode>(decoder, tree, [&](u8 node) { return probabilities[node]; });
|
||||
counter.m_counts_uv_mode[to_underlying(y_mode)][to_underlying(value)]++;
|
||||
return value;
|
||||
}
|
||||
|
||||
ErrorOr<u8> TreeParser::parse_segment_id(BooleanDecoder& decoder, Array<u8, 7> const& probabilities)
|
||||
u8 TreeParser::parse_segment_id(BooleanDecoder& decoder, Array<u8, 7> const& probabilities)
|
||||
{
|
||||
auto value = TRY(parse_tree<u8>(decoder, { segment_tree }, [&](u8 node) { return probabilities[node]; }));
|
||||
auto value = parse_tree<u8>(decoder, { segment_tree }, [&](u8 node) { return probabilities[node]; });
|
||||
// Segment ID is not counted.
|
||||
return value;
|
||||
}
|
||||
|
||||
ErrorOr<bool> TreeParser::parse_segment_id_predicted(BooleanDecoder& decoder, Array<u8, 3> const& probabilities, u8 above_seg_pred_context, u8 left_seg_pred_context)
|
||||
bool TreeParser::parse_segment_id_predicted(BooleanDecoder& decoder, Array<u8, 3> const& probabilities, u8 above_seg_pred_context, u8 left_seg_pred_context)
|
||||
{
|
||||
auto context = left_seg_pred_context + above_seg_pred_context;
|
||||
auto value = TRY(parse_tree<bool>(decoder, { binary_tree }, [&](u8) { return probabilities[context]; }));
|
||||
auto value = parse_tree<bool>(decoder, { binary_tree }, [&](u8) { return probabilities[context]; });
|
||||
// Segment ID prediction is not counted.
|
||||
return value;
|
||||
}
|
||||
|
||||
ErrorOr<PredictionMode> TreeParser::parse_inter_mode(BooleanDecoder& decoder, ProbabilityTables const& probability_table, SyntaxElementCounter& counter, u8 mode_context_for_ref_frame_0)
|
||||
PredictionMode TreeParser::parse_inter_mode(BooleanDecoder& decoder, ProbabilityTables const& probability_table, SyntaxElementCounter& counter, u8 mode_context_for_ref_frame_0)
|
||||
{
|
||||
// Tree
|
||||
TreeSelection tree = { inter_mode_tree };
|
||||
|
@ -211,12 +211,12 @@ ErrorOr<PredictionMode> TreeParser::parse_inter_mode(BooleanDecoder& decoder, Pr
|
|||
// Probabilities
|
||||
u8 const* probabilities = probability_table.inter_mode_probs()[mode_context_for_ref_frame_0];
|
||||
|
||||
auto value = TRY(parse_tree<u8>(decoder, tree, [&](u8 node) { return probabilities[node]; }));
|
||||
auto value = parse_tree<u8>(decoder, tree, [&](u8 node) { return probabilities[node]; });
|
||||
counter.m_counts_inter_mode[mode_context_for_ref_frame_0][value]++;
|
||||
return static_cast<PredictionMode>(value + to_underlying(PredictionMode::NearestMv));
|
||||
}
|
||||
|
||||
ErrorOr<InterpolationFilter> TreeParser::parse_interpolation_filter(BooleanDecoder& decoder, ProbabilityTables const& probability_table, SyntaxElementCounter& counter, FrameBlockContext above, FrameBlockContext left)
|
||||
InterpolationFilter TreeParser::parse_interpolation_filter(BooleanDecoder& decoder, ProbabilityTables const& probability_table, SyntaxElementCounter& counter, FrameBlockContext above, FrameBlockContext left)
|
||||
{
|
||||
// FIXME: Above and left context should be provided by a struct.
|
||||
|
||||
|
@ -236,12 +236,12 @@ ErrorOr<InterpolationFilter> TreeParser::parse_interpolation_filter(BooleanDecod
|
|||
context = above_interp;
|
||||
u8 const* probabilities = probability_table.interp_filter_probs()[context];
|
||||
|
||||
auto value = TRY(parse_tree<InterpolationFilter>(decoder, tree, [&](u8 node) { return probabilities[node]; }));
|
||||
auto value = parse_tree<InterpolationFilter>(decoder, tree, [&](u8 node) { return probabilities[node]; });
|
||||
counter.m_counts_interp_filter[context][to_underlying(value)]++;
|
||||
return value;
|
||||
}
|
||||
|
||||
ErrorOr<bool> TreeParser::parse_skip(BooleanDecoder& decoder, ProbabilityTables const& probability_table, SyntaxElementCounter& counter, FrameBlockContext above, FrameBlockContext left)
|
||||
bool TreeParser::parse_skip(BooleanDecoder& decoder, ProbabilityTables const& probability_table, SyntaxElementCounter& counter, FrameBlockContext above, FrameBlockContext left)
|
||||
{
|
||||
// Probabilities
|
||||
u8 context = 0;
|
||||
|
@ -249,12 +249,12 @@ ErrorOr<bool> TreeParser::parse_skip(BooleanDecoder& decoder, ProbabilityTables
|
|||
context += static_cast<u8>(left.skip_coefficients);
|
||||
u8 probability = probability_table.skip_prob()[context];
|
||||
|
||||
auto value = TRY(parse_tree<bool>(decoder, { binary_tree }, [&](u8) { return probability; }));
|
||||
auto value = parse_tree<bool>(decoder, { binary_tree }, [&](u8) { return probability; });
|
||||
counter.m_counts_skip[context][value]++;
|
||||
return value;
|
||||
}
|
||||
|
||||
ErrorOr<TransformSize> TreeParser::parse_tx_size(BooleanDecoder& decoder, ProbabilityTables const& probability_table, SyntaxElementCounter& counter, TransformSize max_tx_size, FrameBlockContext above, FrameBlockContext left)
|
||||
TransformSize TreeParser::parse_tx_size(BooleanDecoder& decoder, ProbabilityTables const& probability_table, SyntaxElementCounter& counter, TransformSize max_tx_size, FrameBlockContext above, FrameBlockContext left)
|
||||
{
|
||||
// FIXME: Above and left contexts should be in structs.
|
||||
|
||||
|
@ -280,12 +280,12 @@ ErrorOr<TransformSize> TreeParser::parse_tx_size(BooleanDecoder& decoder, Probab
|
|||
|
||||
u8 const* probabilities = probability_table.tx_probs()[max_tx_size][context];
|
||||
|
||||
auto value = TRY(parse_tree<TransformSize>(decoder, tree, [&](u8 node) { return probabilities[node]; }));
|
||||
auto value = parse_tree<TransformSize>(decoder, tree, [&](u8 node) { return probabilities[node]; });
|
||||
counter.m_counts_tx_size[max_tx_size][context][value]++;
|
||||
return value;
|
||||
}
|
||||
|
||||
ErrorOr<bool> TreeParser::parse_block_is_inter_predicted(BooleanDecoder& decoder, ProbabilityTables const& probability_table, SyntaxElementCounter& counter, FrameBlockContext above, FrameBlockContext left)
|
||||
bool TreeParser::parse_block_is_inter_predicted(BooleanDecoder& decoder, ProbabilityTables const& probability_table, SyntaxElementCounter& counter, FrameBlockContext above, FrameBlockContext left)
|
||||
{
|
||||
// FIXME: Above and left contexts should be in structs.
|
||||
|
||||
|
@ -297,12 +297,12 @@ ErrorOr<bool> TreeParser::parse_block_is_inter_predicted(BooleanDecoder& decoder
|
|||
context = 2 * static_cast<u8>(above.is_available ? above.is_intra_predicted() : left.is_intra_predicted());
|
||||
u8 probability = probability_table.is_inter_prob()[context];
|
||||
|
||||
auto value = TRY(parse_tree<bool>(decoder, { binary_tree }, [&](u8) { return probability; }));
|
||||
auto value = parse_tree<bool>(decoder, { binary_tree }, [&](u8) { return probability; });
|
||||
counter.m_counts_is_inter[context][value]++;
|
||||
return value;
|
||||
}
|
||||
|
||||
ErrorOr<ReferenceMode> TreeParser::parse_comp_mode(BooleanDecoder& decoder, ProbabilityTables const& probability_table, SyntaxElementCounter& counter, ReferenceFrameType comp_fixed_ref, FrameBlockContext above, FrameBlockContext left)
|
||||
ReferenceMode TreeParser::parse_comp_mode(BooleanDecoder& decoder, ProbabilityTables const& probability_table, SyntaxElementCounter& counter, ReferenceFrameType comp_fixed_ref, FrameBlockContext above, FrameBlockContext left)
|
||||
{
|
||||
// FIXME: Above and left contexts should be in structs.
|
||||
|
||||
|
@ -337,12 +337,12 @@ ErrorOr<ReferenceMode> TreeParser::parse_comp_mode(BooleanDecoder& decoder, Prob
|
|||
}
|
||||
u8 probability = probability_table.comp_mode_prob()[context];
|
||||
|
||||
auto value = TRY(parse_tree<ReferenceMode>(decoder, { binary_tree }, [&](u8) { return probability; }));
|
||||
auto value = parse_tree<ReferenceMode>(decoder, { binary_tree }, [&](u8) { return probability; });
|
||||
counter.m_counts_comp_mode[context][value]++;
|
||||
return value;
|
||||
}
|
||||
|
||||
ErrorOr<ReferenceIndex> TreeParser::parse_comp_ref(BooleanDecoder& decoder, ProbabilityTables const& probability_table, SyntaxElementCounter& counter, ReferenceFrameType comp_fixed_ref, ReferenceFramePair comp_var_ref, ReferenceIndex variable_reference_index, FrameBlockContext above, FrameBlockContext left)
|
||||
ReferenceIndex TreeParser::parse_comp_ref(BooleanDecoder& decoder, ProbabilityTables const& probability_table, SyntaxElementCounter& counter, ReferenceFrameType comp_fixed_ref, ReferenceFramePair comp_var_ref, ReferenceIndex variable_reference_index, FrameBlockContext above, FrameBlockContext left)
|
||||
{
|
||||
// FIXME: Above and left contexts should be in structs.
|
||||
|
||||
|
@ -420,12 +420,12 @@ ErrorOr<ReferenceIndex> TreeParser::parse_comp_ref(BooleanDecoder& decoder, Prob
|
|||
|
||||
u8 probability = probability_table.comp_ref_prob()[context];
|
||||
|
||||
auto value = TRY(parse_tree<ReferenceIndex>(decoder, { binary_tree }, [&](u8) { return probability; }));
|
||||
auto value = parse_tree<ReferenceIndex>(decoder, { binary_tree }, [&](u8) { return probability; });
|
||||
counter.m_counts_comp_ref[context][to_underlying(value)]++;
|
||||
return value;
|
||||
}
|
||||
|
||||
ErrorOr<bool> TreeParser::parse_single_ref_part_1(BooleanDecoder& decoder, ProbabilityTables const& probability_table, SyntaxElementCounter& counter, FrameBlockContext above, FrameBlockContext left)
|
||||
bool TreeParser::parse_single_ref_part_1(BooleanDecoder& decoder, ProbabilityTables const& probability_table, SyntaxElementCounter& counter, FrameBlockContext above, FrameBlockContext left)
|
||||
{
|
||||
// FIXME: Above and left contexts should be in structs.
|
||||
|
||||
|
@ -487,12 +487,12 @@ ErrorOr<bool> TreeParser::parse_single_ref_part_1(BooleanDecoder& decoder, Proba
|
|||
}
|
||||
u8 probability = probability_table.single_ref_prob()[context][0];
|
||||
|
||||
auto value = TRY(parse_tree<bool>(decoder, { binary_tree }, [&](u8) { return probability; }));
|
||||
auto value = parse_tree<bool>(decoder, { binary_tree }, [&](u8) { return probability; });
|
||||
counter.m_counts_single_ref[context][0][value]++;
|
||||
return value;
|
||||
}
|
||||
|
||||
ErrorOr<bool> TreeParser::parse_single_ref_part_2(BooleanDecoder& decoder, ProbabilityTables const& probability_table, SyntaxElementCounter& counter, FrameBlockContext above, FrameBlockContext left)
|
||||
bool TreeParser::parse_single_ref_part_2(BooleanDecoder& decoder, ProbabilityTables const& probability_table, SyntaxElementCounter& counter, FrameBlockContext above, FrameBlockContext left)
|
||||
{
|
||||
// FIXME: Above and left contexts should be in structs.
|
||||
|
||||
|
@ -573,78 +573,78 @@ ErrorOr<bool> TreeParser::parse_single_ref_part_2(BooleanDecoder& decoder, Proba
|
|||
}
|
||||
u8 probability = probability_table.single_ref_prob()[context][1];
|
||||
|
||||
auto value = TRY(parse_tree<bool>(decoder, { binary_tree }, [&](u8) { return probability; }));
|
||||
auto value = parse_tree<bool>(decoder, { binary_tree }, [&](u8) { return probability; });
|
||||
counter.m_counts_single_ref[context][1][value]++;
|
||||
return value;
|
||||
}
|
||||
|
||||
ErrorOr<MvJoint> TreeParser::parse_motion_vector_joint(BooleanDecoder& decoder, ProbabilityTables const& probability_table, SyntaxElementCounter& counter)
|
||||
MvJoint TreeParser::parse_motion_vector_joint(BooleanDecoder& decoder, ProbabilityTables const& probability_table, SyntaxElementCounter& counter)
|
||||
{
|
||||
auto value = TRY(parse_tree<MvJoint>(decoder, { mv_joint_tree }, [&](u8 node) { return probability_table.mv_joint_probs()[node]; }));
|
||||
auto value = parse_tree<MvJoint>(decoder, { mv_joint_tree }, [&](u8 node) { return probability_table.mv_joint_probs()[node]; });
|
||||
counter.m_counts_mv_joint[value]++;
|
||||
return value;
|
||||
}
|
||||
|
||||
ErrorOr<bool> TreeParser::parse_motion_vector_sign(BooleanDecoder& decoder, ProbabilityTables const& probability_table, SyntaxElementCounter& counter, u8 component)
|
||||
bool TreeParser::parse_motion_vector_sign(BooleanDecoder& decoder, ProbabilityTables const& probability_table, SyntaxElementCounter& counter, u8 component)
|
||||
{
|
||||
auto value = TRY(parse_tree<bool>(decoder, { binary_tree }, [&](u8) { return probability_table.mv_sign_prob()[component]; }));
|
||||
auto value = parse_tree<bool>(decoder, { binary_tree }, [&](u8) { return probability_table.mv_sign_prob()[component]; });
|
||||
counter.m_counts_mv_sign[component][value]++;
|
||||
return value;
|
||||
}
|
||||
|
||||
ErrorOr<MvClass> TreeParser::parse_motion_vector_class(BooleanDecoder& decoder, ProbabilityTables const& probability_table, SyntaxElementCounter& counter, u8 component)
|
||||
MvClass TreeParser::parse_motion_vector_class(BooleanDecoder& decoder, ProbabilityTables const& probability_table, SyntaxElementCounter& counter, u8 component)
|
||||
{
|
||||
// Spec doesn't mention node, but the probabilities table has an extra dimension
|
||||
// so we will use node for that.
|
||||
auto value = TRY(parse_tree<MvClass>(decoder, { mv_class_tree }, [&](u8 node) { return probability_table.mv_class_probs()[component][node]; }));
|
||||
auto value = parse_tree<MvClass>(decoder, { mv_class_tree }, [&](u8 node) { return probability_table.mv_class_probs()[component][node]; });
|
||||
counter.m_counts_mv_class[component][value]++;
|
||||
return value;
|
||||
}
|
||||
|
||||
ErrorOr<bool> TreeParser::parse_motion_vector_class0_bit(BooleanDecoder& decoder, ProbabilityTables const& probability_table, SyntaxElementCounter& counter, u8 component)
|
||||
bool TreeParser::parse_motion_vector_class0_bit(BooleanDecoder& decoder, ProbabilityTables const& probability_table, SyntaxElementCounter& counter, u8 component)
|
||||
{
|
||||
auto value = TRY(parse_tree<bool>(decoder, { binary_tree }, [&](u8) { return probability_table.mv_class0_bit_prob()[component]; }));
|
||||
auto value = parse_tree<bool>(decoder, { binary_tree }, [&](u8) { return probability_table.mv_class0_bit_prob()[component]; });
|
||||
counter.m_counts_mv_class0_bit[component][value]++;
|
||||
return value;
|
||||
}
|
||||
|
||||
ErrorOr<u8> TreeParser::parse_motion_vector_class0_fr(BooleanDecoder& decoder, ProbabilityTables const& probability_table, SyntaxElementCounter& counter, u8 component, bool class_0_bit)
|
||||
u8 TreeParser::parse_motion_vector_class0_fr(BooleanDecoder& decoder, ProbabilityTables const& probability_table, SyntaxElementCounter& counter, u8 component, bool class_0_bit)
|
||||
{
|
||||
auto value = TRY(parse_tree<u8>(decoder, { mv_fr_tree }, [&](u8 node) { return probability_table.mv_class0_fr_probs()[component][class_0_bit][node]; }));
|
||||
auto value = parse_tree<u8>(decoder, { mv_fr_tree }, [&](u8 node) { return probability_table.mv_class0_fr_probs()[component][class_0_bit][node]; });
|
||||
counter.m_counts_mv_class0_fr[component][class_0_bit][value]++;
|
||||
return value;
|
||||
}
|
||||
|
||||
ErrorOr<bool> TreeParser::parse_motion_vector_class0_hp(BooleanDecoder& decoder, ProbabilityTables const& probability_table, SyntaxElementCounter& counter, u8 component, bool use_hp)
|
||||
bool TreeParser::parse_motion_vector_class0_hp(BooleanDecoder& decoder, ProbabilityTables const& probability_table, SyntaxElementCounter& counter, u8 component, bool use_hp)
|
||||
{
|
||||
TreeSelection tree { 1 };
|
||||
if (use_hp)
|
||||
tree = { binary_tree };
|
||||
auto value = TRY(parse_tree<bool>(decoder, tree, [&](u8) { return probability_table.mv_class0_hp_prob()[component]; }));
|
||||
auto value = parse_tree<bool>(decoder, tree, [&](u8) { return probability_table.mv_class0_hp_prob()[component]; });
|
||||
counter.m_counts_mv_class0_hp[component][value]++;
|
||||
return value;
|
||||
}
|
||||
|
||||
ErrorOr<bool> TreeParser::parse_motion_vector_bit(BooleanDecoder& decoder, ProbabilityTables const& probability_table, SyntaxElementCounter& counter, u8 component, u8 bit_index)
|
||||
bool TreeParser::parse_motion_vector_bit(BooleanDecoder& decoder, ProbabilityTables const& probability_table, SyntaxElementCounter& counter, u8 component, u8 bit_index)
|
||||
{
|
||||
auto value = TRY(parse_tree<bool>(decoder, { binary_tree }, [&](u8) { return probability_table.mv_bits_prob()[component][bit_index]; }));
|
||||
auto value = parse_tree<bool>(decoder, { binary_tree }, [&](u8) { return probability_table.mv_bits_prob()[component][bit_index]; });
|
||||
counter.m_counts_mv_bits[component][bit_index][value]++;
|
||||
return value;
|
||||
}
|
||||
|
||||
ErrorOr<u8> TreeParser::parse_motion_vector_fr(BooleanDecoder& decoder, ProbabilityTables const& probability_table, SyntaxElementCounter& counter, u8 component)
|
||||
u8 TreeParser::parse_motion_vector_fr(BooleanDecoder& decoder, ProbabilityTables const& probability_table, SyntaxElementCounter& counter, u8 component)
|
||||
{
|
||||
auto value = TRY(parse_tree<u8>(decoder, { mv_fr_tree }, [&](u8 node) { return probability_table.mv_fr_probs()[component][node]; }));
|
||||
auto value = parse_tree<u8>(decoder, { mv_fr_tree }, [&](u8 node) { return probability_table.mv_fr_probs()[component][node]; });
|
||||
counter.m_counts_mv_fr[component][value]++;
|
||||
return value;
|
||||
}
|
||||
|
||||
ErrorOr<bool> TreeParser::parse_motion_vector_hp(BooleanDecoder& decoder, ProbabilityTables const& probability_table, SyntaxElementCounter& counter, u8 component, bool use_hp)
|
||||
bool TreeParser::parse_motion_vector_hp(BooleanDecoder& decoder, ProbabilityTables const& probability_table, SyntaxElementCounter& counter, u8 component, bool use_hp)
|
||||
{
|
||||
TreeSelection tree { 1 };
|
||||
if (use_hp)
|
||||
tree = { binary_tree };
|
||||
auto value = TRY(parse_tree<u8>(decoder, tree, [&](u8) { return probability_table.mv_hp_prob()[component]; }));
|
||||
auto value = parse_tree<u8>(decoder, tree, [&](u8) { return probability_table.mv_hp_prob()[component]; });
|
||||
counter.m_counts_mv_hp[component][value]++;
|
||||
return value;
|
||||
}
|
||||
|
@ -704,15 +704,15 @@ TokensContext TreeParser::get_context_for_other_tokens(Array<u8, 1024> token_cac
|
|||
return TokensContext { transform_size, plane > 0, is_inter, band, context };
|
||||
}
|
||||
|
||||
ErrorOr<bool> TreeParser::parse_more_coefficients(BooleanDecoder& decoder, ProbabilityTables const& probability_table, SyntaxElementCounter& counter, TokensContext const& context)
|
||||
bool TreeParser::parse_more_coefficients(BooleanDecoder& decoder, ProbabilityTables const& probability_table, SyntaxElementCounter& counter, TokensContext const& context)
|
||||
{
|
||||
auto probability = probability_table.coef_probs()[context.m_tx_size][context.m_is_uv_plane][context.m_is_inter][context.m_band][context.m_context_index][0];
|
||||
auto value = TRY(parse_tree<u8>(decoder, { binary_tree }, [&](u8) { return probability; }));
|
||||
auto value = parse_tree<u8>(decoder, { binary_tree }, [&](u8) { return probability; });
|
||||
counter.m_counts_more_coefs[context.m_tx_size][context.m_is_uv_plane][context.m_is_inter][context.m_band][context.m_context_index][value]++;
|
||||
return value;
|
||||
}
|
||||
|
||||
ErrorOr<Token> TreeParser::parse_token(BooleanDecoder& decoder, ProbabilityTables const& probability_table, SyntaxElementCounter& counter, TokensContext const& context)
|
||||
Token TreeParser::parse_token(BooleanDecoder& decoder, ProbabilityTables const& probability_table, SyntaxElementCounter& counter, TokensContext const& context)
|
||||
{
|
||||
Function<u8(u8)> probability_getter = [&](u8 node) -> u8 {
|
||||
auto prob = probability_table.coef_probs()[context.m_tx_size][context.m_is_uv_plane][context.m_is_inter][context.m_band][context.m_context_index][min(2, 1 + node)];
|
||||
|
@ -725,7 +725,7 @@ ErrorOr<Token> TreeParser::parse_token(BooleanDecoder& decoder, ProbabilityTable
|
|||
return (pareto_table[x][node - 2] + pareto_table[x + 1][node - 2]) >> 1;
|
||||
};
|
||||
|
||||
auto value = TRY(parse_tree<Token>(decoder, { token_tree }, probability_getter));
|
||||
auto value = parse_tree<Token>(decoder, { token_tree }, probability_getter);
|
||||
counter.m_counts_token[context.m_tx_size][context.m_is_uv_plane][context.m_is_inter][context.m_band][context.m_context_index][min(2, value)]++;
|
||||
return value;
|
||||
}
|
||||
|
|
|
@ -30,38 +30,38 @@ struct TokensContext {
|
|||
|
||||
class TreeParser {
|
||||
public:
|
||||
static ErrorOr<Partition> parse_partition(BooleanDecoder&, ProbabilityTables const&, SyntaxElementCounter&, bool has_rows, bool has_columns, BlockSubsize block_subsize, u8 num_8x8, PartitionContextView above_partition_context, PartitionContextView left_partition_context, u32 row, u32 column, bool frame_is_intra);
|
||||
static ErrorOr<PredictionMode> parse_default_intra_mode(BooleanDecoder&, ProbabilityTables const&, BlockSubsize mi_size, FrameBlockContext above, FrameBlockContext left, Array<PredictionMode, 4> const& block_sub_modes, u8 index_x, u8 index_y);
|
||||
static ErrorOr<PredictionMode> parse_default_uv_mode(BooleanDecoder&, ProbabilityTables const&, PredictionMode y_mode);
|
||||
static ErrorOr<PredictionMode> parse_intra_mode(BooleanDecoder&, ProbabilityTables const&, SyntaxElementCounter&, BlockSubsize mi_size);
|
||||
static ErrorOr<PredictionMode> parse_sub_intra_mode(BooleanDecoder&, ProbabilityTables const&, SyntaxElementCounter&);
|
||||
static ErrorOr<PredictionMode> parse_uv_mode(BooleanDecoder&, ProbabilityTables const&, SyntaxElementCounter&, PredictionMode y_mode);
|
||||
static ErrorOr<u8> parse_segment_id(BooleanDecoder&, Array<u8, 7> const& probabilities);
|
||||
static ErrorOr<bool> parse_segment_id_predicted(BooleanDecoder&, Array<u8, 3> const& probabilities, u8 above_seg_pred_context, u8 left_seg_pred_context);
|
||||
static ErrorOr<PredictionMode> parse_inter_mode(BooleanDecoder&, ProbabilityTables const&, SyntaxElementCounter&, u8 mode_context_for_ref_frame_0);
|
||||
static ErrorOr<InterpolationFilter> parse_interpolation_filter(BooleanDecoder&, ProbabilityTables const&, SyntaxElementCounter&, FrameBlockContext above, FrameBlockContext left);
|
||||
static ErrorOr<bool> parse_skip(BooleanDecoder&, ProbabilityTables const&, SyntaxElementCounter&, FrameBlockContext above, FrameBlockContext left);
|
||||
static ErrorOr<TransformSize> parse_tx_size(BooleanDecoder&, ProbabilityTables const&, SyntaxElementCounter&, TransformSize max_tx_size, FrameBlockContext above, FrameBlockContext left);
|
||||
static ErrorOr<bool> parse_block_is_inter_predicted(BooleanDecoder&, ProbabilityTables const&, SyntaxElementCounter&, FrameBlockContext above, FrameBlockContext left);
|
||||
static ErrorOr<ReferenceMode> parse_comp_mode(BooleanDecoder&, ProbabilityTables const&, SyntaxElementCounter&, ReferenceFrameType comp_fixed_ref, FrameBlockContext above, FrameBlockContext left);
|
||||
static ErrorOr<ReferenceIndex> parse_comp_ref(BooleanDecoder&, ProbabilityTables const&, SyntaxElementCounter&, ReferenceFrameType comp_fixed_ref, ReferenceFramePair comp_var_ref, ReferenceIndex variable_reference_index, FrameBlockContext above, FrameBlockContext left);
|
||||
static ErrorOr<bool> parse_single_ref_part_1(BooleanDecoder&, ProbabilityTables const&, SyntaxElementCounter&, FrameBlockContext above, FrameBlockContext left);
|
||||
static ErrorOr<bool> parse_single_ref_part_2(BooleanDecoder&, ProbabilityTables const&, SyntaxElementCounter&, FrameBlockContext above, FrameBlockContext left);
|
||||
static Partition parse_partition(BooleanDecoder&, ProbabilityTables const&, SyntaxElementCounter&, bool has_rows, bool has_columns, BlockSubsize block_subsize, u8 num_8x8, PartitionContextView above_partition_context, PartitionContextView left_partition_context, u32 row, u32 column, bool frame_is_intra);
|
||||
static PredictionMode parse_default_intra_mode(BooleanDecoder&, ProbabilityTables const&, BlockSubsize mi_size, FrameBlockContext above, FrameBlockContext left, Array<PredictionMode, 4> const& block_sub_modes, u8 index_x, u8 index_y);
|
||||
static PredictionMode parse_default_uv_mode(BooleanDecoder&, ProbabilityTables const&, PredictionMode y_mode);
|
||||
static PredictionMode parse_intra_mode(BooleanDecoder&, ProbabilityTables const&, SyntaxElementCounter&, BlockSubsize mi_size);
|
||||
static PredictionMode parse_sub_intra_mode(BooleanDecoder&, ProbabilityTables const&, SyntaxElementCounter&);
|
||||
static PredictionMode parse_uv_mode(BooleanDecoder&, ProbabilityTables const&, SyntaxElementCounter&, PredictionMode y_mode);
|
||||
static u8 parse_segment_id(BooleanDecoder&, Array<u8, 7> const& probabilities);
|
||||
static bool parse_segment_id_predicted(BooleanDecoder&, Array<u8, 3> const& probabilities, u8 above_seg_pred_context, u8 left_seg_pred_context);
|
||||
static PredictionMode parse_inter_mode(BooleanDecoder&, ProbabilityTables const&, SyntaxElementCounter&, u8 mode_context_for_ref_frame_0);
|
||||
static InterpolationFilter parse_interpolation_filter(BooleanDecoder&, ProbabilityTables const&, SyntaxElementCounter&, FrameBlockContext above, FrameBlockContext left);
|
||||
static bool parse_skip(BooleanDecoder&, ProbabilityTables const&, SyntaxElementCounter&, FrameBlockContext above, FrameBlockContext left);
|
||||
static TransformSize parse_tx_size(BooleanDecoder&, ProbabilityTables const&, SyntaxElementCounter&, TransformSize max_tx_size, FrameBlockContext above, FrameBlockContext left);
|
||||
static bool parse_block_is_inter_predicted(BooleanDecoder&, ProbabilityTables const&, SyntaxElementCounter&, FrameBlockContext above, FrameBlockContext left);
|
||||
static ReferenceMode parse_comp_mode(BooleanDecoder&, ProbabilityTables const&, SyntaxElementCounter&, ReferenceFrameType comp_fixed_ref, FrameBlockContext above, FrameBlockContext left);
|
||||
static ReferenceIndex parse_comp_ref(BooleanDecoder&, ProbabilityTables const&, SyntaxElementCounter&, ReferenceFrameType comp_fixed_ref, ReferenceFramePair comp_var_ref, ReferenceIndex variable_reference_index, FrameBlockContext above, FrameBlockContext left);
|
||||
static bool parse_single_ref_part_1(BooleanDecoder&, ProbabilityTables const&, SyntaxElementCounter&, FrameBlockContext above, FrameBlockContext left);
|
||||
static bool parse_single_ref_part_2(BooleanDecoder&, ProbabilityTables const&, SyntaxElementCounter&, FrameBlockContext above, FrameBlockContext left);
|
||||
|
||||
static ErrorOr<MvJoint> parse_motion_vector_joint(BooleanDecoder&, ProbabilityTables const&, SyntaxElementCounter&);
|
||||
static ErrorOr<bool> parse_motion_vector_sign(BooleanDecoder&, ProbabilityTables const&, SyntaxElementCounter&, u8 component);
|
||||
static ErrorOr<MvClass> parse_motion_vector_class(BooleanDecoder&, ProbabilityTables const&, SyntaxElementCounter&, u8 component);
|
||||
static ErrorOr<bool> parse_motion_vector_class0_bit(BooleanDecoder&, ProbabilityTables const&, SyntaxElementCounter&, u8 component);
|
||||
static ErrorOr<u8> parse_motion_vector_class0_fr(BooleanDecoder&, ProbabilityTables const&, SyntaxElementCounter&, u8 component, bool class_0_bit);
|
||||
static ErrorOr<bool> parse_motion_vector_class0_hp(BooleanDecoder&, ProbabilityTables const&, SyntaxElementCounter&, u8 component, bool use_hp);
|
||||
static ErrorOr<bool> parse_motion_vector_bit(BooleanDecoder&, ProbabilityTables const&, SyntaxElementCounter&, u8 component, u8 bit_index);
|
||||
static ErrorOr<u8> parse_motion_vector_fr(BooleanDecoder&, ProbabilityTables const&, SyntaxElementCounter&, u8 component);
|
||||
static ErrorOr<bool> parse_motion_vector_hp(BooleanDecoder&, ProbabilityTables const&, SyntaxElementCounter&, u8 component, bool use_hp);
|
||||
static MvJoint parse_motion_vector_joint(BooleanDecoder&, ProbabilityTables const&, SyntaxElementCounter&);
|
||||
static bool parse_motion_vector_sign(BooleanDecoder&, ProbabilityTables const&, SyntaxElementCounter&, u8 component);
|
||||
static MvClass parse_motion_vector_class(BooleanDecoder&, ProbabilityTables const&, SyntaxElementCounter&, u8 component);
|
||||
static bool parse_motion_vector_class0_bit(BooleanDecoder&, ProbabilityTables const&, SyntaxElementCounter&, u8 component);
|
||||
static u8 parse_motion_vector_class0_fr(BooleanDecoder&, ProbabilityTables const&, SyntaxElementCounter&, u8 component, bool class_0_bit);
|
||||
static bool parse_motion_vector_class0_hp(BooleanDecoder&, ProbabilityTables const&, SyntaxElementCounter&, u8 component, bool use_hp);
|
||||
static bool parse_motion_vector_bit(BooleanDecoder&, ProbabilityTables const&, SyntaxElementCounter&, u8 component, u8 bit_index);
|
||||
static u8 parse_motion_vector_fr(BooleanDecoder&, ProbabilityTables const&, SyntaxElementCounter&, u8 component);
|
||||
static bool parse_motion_vector_hp(BooleanDecoder&, ProbabilityTables const&, SyntaxElementCounter&, u8 component, bool use_hp);
|
||||
|
||||
static TokensContext get_context_for_first_token(NonZeroTokensView above_non_zero_tokens, NonZeroTokensView left_non_zero_tokens, TransformSize transform_size, u8 plane, u32 sub_block_column, u32 sub_block_row, bool is_inter, u8 band);
|
||||
static TokensContext get_context_for_other_tokens(Array<u8, 1024> token_cache, TransformSize transform_size, TransformSet transform_set, u8 plane, u16 token_position, bool is_inter, u8 band);
|
||||
static ErrorOr<bool> parse_more_coefficients(BooleanDecoder&, ProbabilityTables const&, SyntaxElementCounter&, TokensContext const& context);
|
||||
static ErrorOr<Token> parse_token(BooleanDecoder&, ProbabilityTables const&, SyntaxElementCounter&, TokensContext const& context);
|
||||
static bool parse_more_coefficients(BooleanDecoder&, ProbabilityTables const&, SyntaxElementCounter&, TokensContext const& context);
|
||||
static Token parse_token(BooleanDecoder&, ProbabilityTables const&, SyntaxElementCounter&, TokensContext const& context);
|
||||
};
|
||||
|
||||
struct PartitionTreeContext {
|
||||
|
|
Loading…
Add table
Add a link
Reference in a new issue