/* The copyright in this software is being made available under the BSD * License, included below. This software may be subject to other third party * and contributor rights, including patent rights, and no such rights are * granted under this license. * * Copyright (c) 2010-2020, ITU/ISO/IEC * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * Neither the name of the ITU/ISO/IEC nor the names of its contributors may * be used to endorse or promote products derived from this software without * specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF * THE POSSIBILITY OF SUCH DAMAGE. */ /** \file VLCWriter.cpp * \brief Writer for high level syntax */ #include "VLCWriter.h" #include "SEIwrite.h" #include "CommonLib/CommonDef.h" #include "CommonLib/Unit.h" #include "CommonLib/Picture.h" // th remove this #include "CommonLib/dtrace_next.h" #include "EncAdaptiveLoopFilter.h" #include "CommonLib/AdaptiveLoopFilter.h" //! \ingroup EncoderLib //! \{ #if ENABLE_TRACING void VLCWriter::xWriteSCodeTr (int value, uint32_t length, const char *pSymbolName) { xWriteSCode (value,length); if( g_HLSTraceEnable ) { if( length<10 ) { DTRACE( g_trace_ctx, D_HEADER, "%-50s u(%d) : %d\n", pSymbolName, length, value ); } else { DTRACE( g_trace_ctx, D_HEADER, "%-50s u(%d) : %d\n", pSymbolName, length, value ); } } } void VLCWriter::xWriteCodeTr (uint32_t value, uint32_t length, const char *pSymbolName) { xWriteCode (value,length); if( g_HLSTraceEnable ) { if( length < 10 ) { DTRACE( g_trace_ctx, D_HEADER, "%-50s u(%d) : %d\n", pSymbolName, length, value ); } else { DTRACE( g_trace_ctx, D_HEADER, "%-50s u(%d) : %d\n", pSymbolName, length, value ); } } } void VLCWriter::xWriteUvlcTr (uint32_t value, const char *pSymbolName) { xWriteUvlc (value); if( g_HLSTraceEnable ) { DTRACE( g_trace_ctx, D_HEADER, "%-50s ue(v) : %d\n", pSymbolName, value ); } } void VLCWriter::xWriteSvlcTr (int value, const char *pSymbolName) { xWriteSvlc(value); if( g_HLSTraceEnable ) { DTRACE( g_trace_ctx, D_HEADER, "%-50s se(v) : %d\n", pSymbolName, value ); } } void VLCWriter::xWriteFlagTr(uint32_t value, const char *pSymbolName) { xWriteFlag(value); if( g_HLSTraceEnable ) { DTRACE( g_trace_ctx, D_HEADER, "%-50s u(1) : %d\n", pSymbolName, value ); } } bool g_HLSTraceEnable = true; #endif void VLCWriter::xWriteSCode ( int code, uint32_t length ) { assert ( length > 0 && length<=32 ); assert( length==32 || (code>=-(1<<(length-1)) && code<(1<<(length-1))) ); m_pcBitIf->write( length==32 ? uint32_t(code) : ( uint32_t(code)&((1<<length)-1) ), length ); } void VLCWriter::xWriteCode ( uint32_t uiCode, uint32_t uiLength ) { CHECK( uiLength == 0, "Code of length '0' not supported" ); m_pcBitIf->write( uiCode, uiLength ); } void VLCWriter::xWriteUvlc ( uint32_t uiCode ) { uint32_t uiLength = 1; uint32_t uiTemp = ++uiCode; CHECK( !uiTemp, "Integer overflow" ); while( 1 != uiTemp ) { uiTemp >>= 1; uiLength += 2; } // Take care of cases where uiLength > 32 m_pcBitIf->write( 0, uiLength >> 1); m_pcBitIf->write( uiCode, (uiLength+1) >> 1); } void VLCWriter::xWriteSvlc ( int iCode ) { uint32_t uiCode = uint32_t( iCode <= 0 ? (-iCode)<<1 : (iCode<<1)-1); xWriteUvlc( uiCode ); } void VLCWriter::xWriteFlag( uint32_t uiCode ) { m_pcBitIf->write( uiCode, 1 ); } void VLCWriter::xWriteRbspTrailingBits() { WRITE_FLAG( 1, "rbsp_stop_one_bit"); int cnt = 0; while (m_pcBitIf->getNumBitsUntilByteAligned()) { WRITE_FLAG( 0, "rbsp_alignment_zero_bit"); cnt++; } CHECK(cnt>=8, "More than '8' alignment bytes read"); } void AUDWriter::codeAUD(OutputBitstream& bs, const int pictureType) { #if ENABLE_TRACING xTraceAccessUnitDelimiter(); #endif CHECK(pictureType >= 3, "Invalid picture type"); setBitstream(&bs); WRITE_CODE(pictureType, 3, "pic_type"); xWriteRbspTrailingBits(); } void HLSWriter::xCodeRefPicList( const ReferencePictureList* rpl, bool isLongTermPresent, uint32_t ltLsbBitsCount, const bool isForbiddenZeroDeltaPoc ) { uint32_t numRefPic = rpl->getNumberOfShorttermPictures() + rpl->getNumberOfLongtermPictures() + rpl->getNumberOfInterLayerPictures(); WRITE_UVLC( numRefPic, "num_ref_entries[ listIdx ][ rplsIdx ]" ); if (isLongTermPresent) { WRITE_FLAG(rpl->getLtrpInSliceHeaderFlag(), "ltrp_in_slice_header_flag[ listIdx ][ rplsIdx ]"); } int prevDelta = MAX_INT; int deltaValue = 0; bool firstSTRP = true; for (int ii = 0; ii < numRefPic; ii++) { if( rpl->getInterLayerPresentFlag() ) { WRITE_FLAG( rpl->isInterLayerRefPic( ii ), "inter_layer_ref_pic_flag[ listIdx ][ rplsIdx ][ i ]" ); if( rpl->isInterLayerRefPic( ii ) ) { CHECK( rpl->getInterLayerRefPicIdx( ii ) < 0, "Wrong inter-layer reference index" ); WRITE_UVLC( rpl->getInterLayerRefPicIdx( ii ), "ilrp_idx[ listIdx ][ rplsIdx ][ i ]" ); } } if( !rpl->isInterLayerRefPic( ii ) ) { if( isLongTermPresent ) { WRITE_FLAG( !rpl->isRefPicLongterm( ii ), "st_ref_pic_flag[ listIdx ][ rplsIdx ][ i ]" ); } if (!rpl->isRefPicLongterm(ii)) { if (firstSTRP) { firstSTRP = false; deltaValue = prevDelta = rpl->getRefPicIdentifier(ii); } else { deltaValue = rpl->getRefPicIdentifier(ii) - prevDelta; prevDelta = rpl->getRefPicIdentifier(ii); } unsigned int absDeltaValue = (deltaValue < 0) ? 0 - deltaValue : deltaValue; if( isForbiddenZeroDeltaPoc ) { CHECK( !absDeltaValue, "Zero delta POC is not used without WP" ); WRITE_UVLC( absDeltaValue - 1, "abs_delta_poc_st[ listIdx ][ rplsIdx ][ i ]" ); } else WRITE_UVLC(absDeltaValue, "abs_delta_poc_st[ listIdx ][ rplsIdx ][ i ]"); if (absDeltaValue > 0) WRITE_FLAG((deltaValue < 0) ? 0 : 1, "strp_entry_sign_flag[ listIdx ][ rplsIdx ][ i ]"); //0 means negative delta POC : 1 means positive } else if (!rpl->getLtrpInSliceHeaderFlag()) { WRITE_CODE(rpl->getRefPicIdentifier(ii), ltLsbBitsCount, "poc_lsb_lt[listIdx][rplsIdx][i]"); } } } } void HLSWriter::codePPS( const PPS* pcPPS, const SPS* pcSPS ) { #if ENABLE_TRACING xTracePPSHeader (); #endif WRITE_UVLC( pcPPS->getPPSId(), "pps_pic_parameter_set_id" ); WRITE_CODE( pcPPS->getSPSId(), 4, "pps_seq_parameter_set_id" ); #if SPS_ID_CHECK WRITE_FLAG( pcPPS->getMixedNaluTypesInPicFlag() ? 1 : 0, "mixed_nalu_types_in_pic_flag" ); #endif WRITE_UVLC( pcPPS->getPicWidthInLumaSamples(), "pic_width_in_luma_samples" ); WRITE_UVLC( pcPPS->getPicHeightInLumaSamples(), "pic_height_in_luma_samples" ); Window conf = pcPPS->getConformanceWindow(); WRITE_FLAG( conf.getWindowEnabledFlag(), "conformance_window_flag" ); if( conf.getWindowEnabledFlag() ) { WRITE_UVLC( conf.getWindowLeftOffset(), "conf_win_left_offset" ); WRITE_UVLC( conf.getWindowRightOffset(), "conf_win_right_offset" ); WRITE_UVLC( conf.getWindowTopOffset(), "conf_win_top_offset" ); WRITE_UVLC( conf.getWindowBottomOffset(), "conf_win_bottom_offset" ); } Window scalingWindow = pcPPS->getScalingWindow(); WRITE_FLAG( scalingWindow.getWindowEnabledFlag(), "scaling_window_flag" ); if( scalingWindow.getWindowEnabledFlag() ) { WRITE_UVLC( scalingWindow.getWindowLeftOffset(), "scaling_win_left_offset" ); WRITE_UVLC( scalingWindow.getWindowRightOffset(), "scaling_win_right_offset" ); WRITE_UVLC( scalingWindow.getWindowTopOffset(), "scaling_win_top_offset" ); WRITE_UVLC( scalingWindow.getWindowBottomOffset(), "scaling_win_bottom_offset" ); } WRITE_FLAG( pcPPS->getOutputFlagPresentFlag() ? 1 : 0, "output_flag_present_flag" ); #if JVET_Q0119_CLEANUPS WRITE_FLAG( pcPPS->getSubPicIdMappingInPpsFlag() ? 1 : 0, "subpic_id_mapping_in_pps_flag" ); if( pcPPS->getSubPicIdMappingInPpsFlag() ) #else WRITE_FLAG(pcPPS->getSubPicIdSignallingPresentFlag(), "pps_subpic_id_signalling_present_flag"); if( pcPPS->getSubPicIdSignallingPresentFlag() ) #endif { WRITE_UVLC( pcPPS->getNumSubPics() - 1, "pps_num_subpics_minus1" ); WRITE_UVLC( pcPPS->getSubPicIdLen() - 1, "pps_subpic_id_len_minus1" ); #if JVET_Q0169_SUBPIC_LEN_CONFORM CHECK((1 << pcPPS->getSubPicIdLen()) < pcPPS->getNumSubPics(), "pps_subpic_id_len exceeds valid range"); #endif for( int picIdx = 0; picIdx < pcPPS->getNumSubPics( ); picIdx++ ) { WRITE_CODE( pcPPS->getSubPicId(picIdx), pcPPS->getSubPicIdLen( ), "pps_subpic_id[i]" ); } } WRITE_FLAG( pcPPS->getNoPicPartitionFlag( ) ? 1 : 0, "no_pic_partition_flag" ); if( !pcPPS->getNoPicPartitionFlag() ) { int colIdx, rowIdx; // CTU size - required to match size in SPS WRITE_CODE( pcPPS->getLog2CtuSize() - 5, 2, "pps_log2_ctu_size_minus5" ); // number of explicit tile columns/rows WRITE_UVLC( pcPPS->getNumExpTileColumns() - 1, "num_exp_tile_columns_minus1" ); WRITE_UVLC( pcPPS->getNumExpTileRows() - 1, "num_exp_tile_rows_minus1" ); // tile sizes for( colIdx = 0; colIdx < pcPPS->getNumExpTileColumns(); colIdx++ ) { WRITE_UVLC( pcPPS->getTileColumnWidth( colIdx ) - 1, "tile_column_width_minus1[i]" ); } for( rowIdx = 0; rowIdx < pcPPS->getNumExpTileRows(); rowIdx++ ) { WRITE_UVLC( pcPPS->getTileRowHeight( rowIdx ) - 1, "tile_row_height_minus1[i]" ); } // rectangular slice signalling WRITE_FLAG( pcPPS->getRectSliceFlag( ) ? 1 : 0, "rect_slice_flag"); if (pcPPS->getRectSliceFlag()) { WRITE_FLAG(pcPPS->getSingleSlicePerSubPicFlag( ) ? 1 : 0, "single_slice_per_subpic_flag"); } if (pcPPS->getRectSliceFlag() & !(pcPPS->getSingleSlicePerSubPicFlag())) { WRITE_UVLC( pcPPS->getNumSlicesInPic( ) - 1, "num_slices_in_pic_minus1" ); WRITE_FLAG( pcPPS->getTileIdxDeltaPresentFlag( ) ? 1 : 0, "tile_idx_delta_present_flag"); // write rectangular slice parameters for( int i = 0; i < pcPPS->getNumSlicesInPic()-1; i++ ) { // complete tiles within a single slice WRITE_UVLC( pcPPS->getSliceWidthInTiles( i ) - 1, "slice_width_in_tiles_minus1[i]" ); #if JVET_Q0480_RASTER_RECT_SLICES if( pcPPS->getTileIdxDeltaPresentFlag() || ( (pcPPS->getSliceTileIdx( i ) % pcPPS->getNumTileColumns()) == 0 ) ) { WRITE_UVLC( pcPPS->getSliceHeightInTiles( i ) - 1, "slice_height_in_tiles_minus1[i]" ); } #else WRITE_UVLC( pcPPS->getSliceHeightInTiles( i ) - 1, "slice_height_in_tiles_minus1[i]" ); #endif // multiple slices within a single tile special case if( pcPPS->getSliceWidthInTiles( i ) == 1 && pcPPS->getSliceHeightInTiles( i ) == 1 ) { WRITE_UVLC( pcPPS->getNumSlicesInTile( i ) - 1, "num_slices_in_tile_minus1[i]" ); uint32_t numSlicesInTile = pcPPS->getNumSlicesInTile( i ); for( int j = 0; j < numSlicesInTile-1; j++ ) { WRITE_UVLC( pcPPS->getSliceHeightInCtu( i ) - 1, "slice_height_in_ctu_minus1[i]" ); i++; } } // tile index offset to start of next slice if( i < pcPPS->getNumSlicesInPic()-1 ) { if( pcPPS->getTileIdxDeltaPresentFlag() ) { int32_t tileIdxDelta = pcPPS->getSliceTileIdx( i + 1 ) - pcPPS->getSliceTileIdx( i ); WRITE_SVLC( tileIdxDelta, "tile_idx_delta[i]" ); } } } } // loop filtering across slice/tile controls WRITE_FLAG( pcPPS->getLoopFilterAcrossTilesEnabledFlag(), "loop_filter_across_tiles_enabled_flag"); WRITE_FLAG( pcPPS->getLoopFilterAcrossSlicesEnabledFlag(), "loop_filter_across_slices_enabled_flag"); } WRITE_FLAG( pcPPS->getEntropyCodingSyncEnabledFlag() ? 1 : 0, "entropy_coding_sync_enabled_flag" ); WRITE_FLAG( pcPPS->getCabacInitPresentFlag() ? 1 : 0, "cabac_init_present_flag" ); WRITE_UVLC( pcPPS->getNumRefIdxL0DefaultActive()-1, "num_ref_idx_l0_default_active_minus1"); WRITE_UVLC( pcPPS->getNumRefIdxL1DefaultActive()-1, "num_ref_idx_l1_default_active_minus1"); WRITE_FLAG(pcPPS->getRpl1IdxPresentFlag() ? 1 : 0, "rpl1IdxPresentFlag"); WRITE_SVLC( pcPPS->getPicInitQPMinus26(), "init_qp_minus26"); #if !JVET_Q0183_SPS_TRANSFORM_SKIP_MODE_CONTROL WRITE_UVLC( pcPPS->getLog2MaxTransformSkipBlockSize() - 2, "log2_transform_skip_max_size_minus2"); #endif WRITE_FLAG( pcPPS->getUseDQP() ? 1 : 0, "cu_qp_delta_enabled_flag" ); #if JVET_Q0420_PPS_CHROMA_TOOL_FLAG WRITE_FLAG(pcPPS->getPPSChromaToolFlag() ? 1 : 0, "pps_chroma_tool_offsets_present_flag"); if (pcPPS->getPPSChromaToolFlag()) { #endif WRITE_SVLC( pcPPS->getQpOffset(COMPONENT_Cb), "pps_cb_qp_offset" ); WRITE_SVLC( pcPPS->getQpOffset(COMPONENT_Cr), "pps_cr_qp_offset" ); if (pcSPS->getJointCbCrEnabledFlag() == false || pcSPS->getChromaFormatIdc() == CHROMA_400) { CHECK(pcPPS->getJointCbCrQpOffsetPresentFlag(), "pps_jcbcr_qp_offset_present_flag should be false"); } WRITE_FLAG(pcPPS->getJointCbCrQpOffsetPresentFlag() ? 1 : 0, "pps_joint_cbcr_qp_offset_present_flag"); if (pcPPS->getJointCbCrQpOffsetPresentFlag()) { WRITE_SVLC(pcPPS->getQpOffset(JOINT_CbCr), "pps_joint_cbcr_qp_offset_value"); } WRITE_FLAG( pcPPS->getSliceChromaQpFlag() ? 1 : 0, "pps_slice_chroma_qp_offsets_present_flag" ); WRITE_FLAG(uint32_t(pcPPS->getCuChromaQpOffsetEnabledFlag()), "cu_chroma_qp_offset_enabled_flag" ); if (pcPPS->getCuChromaQpOffsetEnabledFlag()) { WRITE_UVLC(pcPPS->getChromaQpOffsetListLen() - 1, "chroma_qp_offset_list_len_minus1"); /* skip zero index */ for (int cuChromaQpOffsetIdx = 0; cuChromaQpOffsetIdx < pcPPS->getChromaQpOffsetListLen(); cuChromaQpOffsetIdx++) { WRITE_SVLC(pcPPS->getChromaQpOffsetListEntry(cuChromaQpOffsetIdx+1).u.comp.CbOffset, "cb_qp_offset_list[i]"); WRITE_SVLC(pcPPS->getChromaQpOffsetListEntry(cuChromaQpOffsetIdx+1).u.comp.CrOffset, "cr_qp_offset_list[i]"); if (pcPPS->getJointCbCrQpOffsetPresentFlag()) { WRITE_SVLC(pcPPS->getChromaQpOffsetListEntry(cuChromaQpOffsetIdx + 1).u.comp.JointCbCrOffset, "joint_cbcr_qp_offset_list[i]"); } } } #if JVET_Q0420_PPS_CHROMA_TOOL_FLAG } #endif WRITE_FLAG( pcPPS->getUseWP() ? 1 : 0, "weighted_pred_flag" ); // Use of Weighting Prediction (P_SLICE) WRITE_FLAG( pcPPS->getWPBiPred() ? 1 : 0, "weighted_bipred_flag" ); // Use of Weighting Bi-Prediction (B_SLICE) WRITE_FLAG( pcPPS->getDeblockingFilterControlPresentFlag()?1 : 0, "deblocking_filter_control_present_flag"); if(pcPPS->getDeblockingFilterControlPresentFlag()) { WRITE_FLAG( pcPPS->getDeblockingFilterOverrideEnabledFlag() ? 1 : 0, "deblocking_filter_override_enabled_flag" ); WRITE_FLAG( pcPPS->getPPSDeblockingFilterDisabledFlag() ? 1 : 0, "pps_deblocking_filter_disabled_flag" ); if(!pcPPS->getPPSDeblockingFilterDisabledFlag()) { WRITE_SVLC( pcPPS->getDeblockingFilterBetaOffsetDiv2(), "pps_beta_offset_div2" ); WRITE_SVLC( pcPPS->getDeblockingFilterTcOffsetDiv2(), "pps_tc_offset_div2" ); #if JVET_Q0121_DEBLOCKING_CONTROL_PARAMETERS WRITE_SVLC( pcPPS->getDeblockingFilterCbBetaOffsetDiv2(), "pps_cb_beta_offset_div2" ); WRITE_SVLC( pcPPS->getDeblockingFilterCbTcOffsetDiv2(), "pps_cb_tc_offset_div2" ); WRITE_SVLC( pcPPS->getDeblockingFilterCrBetaOffsetDiv2(), "pps_cr_beta_offset_div2" ); WRITE_SVLC( pcPPS->getDeblockingFilterCrTcOffsetDiv2(), "pps_cr_tc_offset_div2" ); #endif } } #if JVET_Q0819_PH_CHANGES WRITE_FLAG(pcPPS->getRplInfoInPhFlag() ? 1 : 0, "rpl_info_in_ph_flag"); if (pcPPS->getDeblockingFilterOverrideEnabledFlag()) { WRITE_FLAG(pcPPS->getDbfInfoInPhFlag() ? 1 : 0, "dbf_info_in_ph_flag"); } WRITE_FLAG(pcPPS->getSaoInfoInPhFlag() ? 1 : 0, "sao_info_in_ph_flag"); WRITE_FLAG(pcPPS->getAlfInfoInPhFlag() ? 1 : 0, "alf_info_in_ph_flag"); if ((pcPPS->getUseWP() || pcPPS->getWPBiPred()) && pcPPS->getRplInfoInPhFlag()) { WRITE_FLAG(pcPPS->getWpInfoInPhFlag() ? 1 : 0, "wp_info_in_ph_flag"); } WRITE_FLAG(pcPPS->getQpDeltaInfoInPhFlag() ? 1 : 0, "qp_delta_info_in_ph_flag"); #endif WRITE_FLAG( pcPPS->getConstantSliceHeaderParamsEnabledFlag(), "constant_slice_header_params_enabled_flag"); if ( pcPPS->getConstantSliceHeaderParamsEnabledFlag() ) { WRITE_CODE( pcPPS->getPPSDepQuantEnabledIdc(), 2, "pps_dep_quant_enabled_idc"); WRITE_CODE( pcPPS->getPPSRefPicListSPSIdc0(), 2, "pps_ref_pic_list_sps_idc[0]"); WRITE_CODE( pcPPS->getPPSRefPicListSPSIdc1(), 2, "pps_ref_pic_list_sps_idc[1]"); WRITE_CODE( pcPPS->getPPSMvdL1ZeroIdc(), 2, "pps_mvd_l1_zero_idc"); WRITE_CODE( pcPPS->getPPSCollocatedFromL0Idc(), 2, "pps_collocated_from_l0_idc"); WRITE_UVLC( pcPPS->getPPSSixMinusMaxNumMergeCandPlus1(), "pps_six_minus_max_num_merge_cand_plus1"); #if !JVET_Q0806 WRITE_UVLC( pcPPS->getPPSMaxNumMergeCandMinusMaxNumTriangleCandPlus1(), "pps_max_num_merge_cand_minus_max_num_triangle_cand_plus1"); #else WRITE_UVLC(pcPPS->getPPSMaxNumMergeCandMinusMaxNumGeoCandPlus1(), "pps_max_num_merge_cand_minus_max_num_gpm_cand_plus1"); #endif } WRITE_FLAG( pcPPS->getPictureHeaderExtensionPresentFlag() ? 1 : 0, "picture_header_extension_present_flag"); WRITE_FLAG( pcPPS->getSliceHeaderExtensionPresentFlag() ? 1 : 0, "slice_header_extension_present_flag"); bool pps_extension_present_flag=false; bool pps_extension_flags[NUM_PPS_EXTENSION_FLAGS]={false}; WRITE_FLAG( (pps_extension_present_flag?1:0), "pps_extension_present_flag" ); if (pps_extension_present_flag) { #if ENABLE_TRACING /*|| RExt__DECODER_DEBUG_BIT_STATISTICS*/ static const char *syntaxStrings[]={ "pps_range_extension_flag", "pps_multilayer_extension_flag", "pps_extension_6bits[0]", "pps_extension_6bits[1]", "pps_extension_6bits[2]", "pps_extension_6bits[3]", "pps_extension_6bits[4]", "pps_extension_6bits[5]" }; #endif for(int i=0; i<NUM_PPS_EXTENSION_FLAGS; i++) { WRITE_FLAG( pps_extension_flags[i]?1:0, syntaxStrings[i] ); } for(int i=0; i<NUM_PPS_EXTENSION_FLAGS; i++) // loop used so that the order is determined by the enum. { if (pps_extension_flags[i]) { switch (PPSExtensionFlagIndex(i)) { case PPS_EXT__REXT: { const PPSRExt &ppsRangeExtension = pcPPS->getPpsRangeExtension(); WRITE_FLAG((ppsRangeExtension.getCrossComponentPredictionEnabledFlag() ? 1 : 0), "cross_component_prediction_enabled_flag" ); WRITE_UVLC( ppsRangeExtension.getLog2SaoOffsetScale(CHANNEL_TYPE_LUMA), "log2_sao_offset_scale_luma" ); WRITE_UVLC( ppsRangeExtension.getLog2SaoOffsetScale(CHANNEL_TYPE_CHROMA), "log2_sao_offset_scale_chroma" ); } break; default: CHECK(pps_extension_flags[i]==false, "Unknown PPS extension signalled"); // Should never get here with an active PPS extension flag. break; } // switch } // if flag present } // loop over PPS flags } // pps_extension_present_flag is non-zero xWriteRbspTrailingBits(); } void HLSWriter::codeAPS( APS* pcAPS ) { #if ENABLE_TRACING xTraceAPSHeader(); #endif WRITE_CODE(pcAPS->getAPSId(), 5, "adaptation_parameter_set_id"); WRITE_CODE( (int)pcAPS->getAPSType(), 3, "aps_params_type" ); if (pcAPS->getAPSType() == ALF_APS) { codeAlfAps(pcAPS); } else if (pcAPS->getAPSType() == LMCS_APS) { codeLmcsAps (pcAPS); } else if( pcAPS->getAPSType() == SCALING_LIST_APS ) { codeScalingListAps( pcAPS ); } WRITE_FLAG(0, "aps_extension_flag"); //Implementation when this flag is equal to 1 should be added when it is needed. Currently in the spec we don't have case when this flag is equal to 1 xWriteRbspTrailingBits(); } void HLSWriter::codeAlfAps( APS* pcAPS ) { AlfParam param = pcAPS->getAlfAPSParam(); WRITE_FLAG(param.newFilterFlag[CHANNEL_TYPE_LUMA], "alf_luma_new_filter"); WRITE_FLAG(param.newFilterFlag[CHANNEL_TYPE_CHROMA], "alf_chroma_new_filter"); #if JVET_Q0795_CCALF CcAlfFilterParam paramCcAlf = pcAPS->getCcAlfAPSParam(); WRITE_FLAG(paramCcAlf.newCcAlfFilter[COMPONENT_Cb - 1], "alf_cc_cb_filter_signal_flag"); WRITE_FLAG(paramCcAlf.newCcAlfFilter[COMPONENT_Cr - 1], "alf_cc_cr_filter_signal_flag"); #endif if (param.newFilterFlag[CHANNEL_TYPE_LUMA]) { #if JVET_Q0249_ALF_CHROMA_CLIPFLAG WRITE_FLAG( param.nonLinearFlag[CHANNEL_TYPE_LUMA], "alf_luma_clip" ); #else WRITE_FLAG( param.nonLinearFlag[CHANNEL_TYPE_LUMA][0], "alf_luma_clip" ); #endif WRITE_UVLC(param.numLumaFilters - 1, "alf_luma_num_filters_signalled_minus1"); if (param.numLumaFilters > 1) { const int length = ceilLog2( param.numLumaFilters); for (int i = 0; i < MAX_NUM_ALF_CLASSES; i++) { WRITE_CODE(param.filterCoeffDeltaIdx[i], length, "alf_luma_coeff_delta_idx" ); } } alfFilter(param, false, 0); } if (param.newFilterFlag[CHANNEL_TYPE_CHROMA]) { #if JVET_Q0249_ALF_CHROMA_CLIPFLAG WRITE_FLAG(param.nonLinearFlag[CHANNEL_TYPE_CHROMA], "alf_nonlinear_enable_flag_chroma"); #endif if( MAX_NUM_ALF_ALTERNATIVES_CHROMA > 1 ) WRITE_UVLC( param.numAlternativesChroma - 1, "alf_chroma_num_alts_minus1" ); for( int altIdx=0; altIdx < param.numAlternativesChroma; ++altIdx ) { #if !JVET_Q0249_ALF_CHROMA_CLIPFLAG WRITE_FLAG( param.nonLinearFlag[CHANNEL_TYPE_CHROMA][altIdx], "alf_nonlinear_enable_flag_chroma" ); #endif alfFilter(param, true, altIdx); } } #if JVET_Q0795_CCALF for (int ccIdx = 0; ccIdx < 2; ccIdx++) { if (paramCcAlf.newCcAlfFilter[ccIdx]) { const int filterCount = paramCcAlf.ccAlfFilterCount[ccIdx]; CHECK(filterCount > MAX_NUM_CC_ALF_FILTERS, "CC ALF Filter count is too large"); CHECK(filterCount == 0, "CC ALF Filter count is too small"); if (MAX_NUM_CC_ALF_FILTERS > 1) { WRITE_UVLC(filterCount - 1, ccIdx == 0 ? "alf_cc_cb_filters_signalled_minus1" : "alf_cc_cr_filters_signalled_minus1"); } for (int filterIdx = 0; filterIdx < filterCount; filterIdx++) { AlfFilterShape alfShape(size_CC_ALF); const short *coeff = paramCcAlf.ccAlfCoeff[ccIdx][filterIdx]; // Filter coefficients for (int i = 0; i < alfShape.numCoeff - 1; i++) { if (coeff[i] == 0) { WRITE_CODE(0, CCALF_BITS_PER_COEFF_LEVEL, ccIdx == 0 ? "alf_cc_cb_mapped_coeff_abs" : "alf_cc_cr_mapped_coeff_abs"); } else { WRITE_CODE(1 + floorLog2(abs(coeff[i])), CCALF_BITS_PER_COEFF_LEVEL, ccIdx == 0 ? "alf_cc_cb_mapped_coeff_abs" : "alf_cc_cr_mapped_coeff_abs"); WRITE_FLAG(coeff[i] < 0 ? 1 : 0, ccIdx == 0 ? "alf_cc_cb_coeff_sign" : "alf_cc_cr_coeff_sign"); } } DTRACE(g_trace_ctx, D_SYNTAX, "%s coeff filterIdx %d: ", ccIdx == 0 ? "Cb" : "Cr", filterIdx); for (int i = 0; i < alfShape.numCoeff; i++) { DTRACE(g_trace_ctx, D_SYNTAX, "%d ", coeff[i]); } DTRACE(g_trace_ctx, D_SYNTAX, "\n"); } } } #endif } void HLSWriter::codeLmcsAps( APS* pcAPS ) { SliceReshapeInfo param = pcAPS->getReshaperAPSInfo(); WRITE_UVLC(param.reshaperModelMinBinIdx, "lmcs_min_bin_idx"); WRITE_UVLC(PIC_CODE_CW_BINS - 1 - param.reshaperModelMaxBinIdx, "lmcs_delta_max_bin_idx"); assert(param.maxNbitsNeededDeltaCW > 0); WRITE_UVLC(param.maxNbitsNeededDeltaCW - 1, "lmcs_delta_cw_prec_minus1"); for (int i = param.reshaperModelMinBinIdx; i <= param.reshaperModelMaxBinIdx; i++) { int deltaCW = param.reshaperModelBinCWDelta[i]; int signCW = (deltaCW < 0) ? 1 : 0; int absCW = (deltaCW < 0) ? (-deltaCW) : deltaCW; WRITE_CODE(absCW, param.maxNbitsNeededDeltaCW, "lmcs_delta_abs_cw[ i ]"); if (absCW > 0) { WRITE_FLAG(signCW, "lmcs_delta_sign_cw_flag[ i ]"); } } int deltaCRS = param.chrResScalingOffset; int signCRS = (deltaCRS < 0) ? 1 : 0; int absCRS = (deltaCRS < 0) ? (-deltaCRS) : deltaCRS; WRITE_CODE(absCRS, 3, "lmcs_delta_crs_val"); if (absCRS > 0) { WRITE_FLAG(signCRS, "lmcs_delta_crs_val_flag"); } } void HLSWriter::codeScalingListAps( APS* pcAPS ) { ScalingList param = pcAPS->getScalingList(); codeScalingList( param ); } #if JVET_Q0042_VUI void HLSWriter::codeVUI( const VUI *pcVUI, const SPS* pcSPS ) { #if ENABLE_TRACING DTRACE( g_trace_ctx, D_HEADER, "----------- vui_parameters -----------\n"); #endif WRITE_FLAG(pcVUI->getAspectRatioInfoPresentFlag(), "vui_aspect_ratio_info_present_flag"); if (pcVUI->getAspectRatioInfoPresentFlag()) { WRITE_FLAG(pcVUI->getAspectRatioConstantFlag(), "vui_aspect_ratio_constant_flag"); WRITE_CODE(pcVUI->getAspectRatioIdc(), 8, "vui_aspect_ratio_idc" ); if (pcVUI->getAspectRatioIdc() == 255) { WRITE_CODE(pcVUI->getSarWidth(), 16, "vui_sar_width"); WRITE_CODE(pcVUI->getSarHeight(), 16, "vui_sar_height"); } } WRITE_FLAG(pcVUI->getOverscanInfoPresentFlag(), "vui_overscan_info_present_flag"); if (pcVUI->getOverscanInfoPresentFlag()) { WRITE_FLAG(pcVUI->getOverscanAppropriateFlag(), "vui_overscan_appropriate_flag"); } WRITE_FLAG(pcVUI->getColourDescriptionPresentFlag(), "vui_colour_description_present_flag"); if (pcVUI->getColourDescriptionPresentFlag()) { WRITE_CODE(pcVUI->getColourPrimaries(), 8, "vui_colour_primaries"); WRITE_CODE(pcVUI->getTransferCharacteristics(), 8, "vui_transfer_characteristics"); WRITE_CODE(pcVUI->getMatrixCoefficients(), 8, "vui_matrix_coeffs"); WRITE_FLAG(pcVUI->getVideoFullRangeFlag(), "vui_video_full_range_flag"); } WRITE_FLAG(pcVUI->getChromaLocInfoPresentFlag(), "vui_chroma_loc_info_present_flag"); if (pcVUI->getChromaLocInfoPresentFlag()) { if(pcSPS->getProfileTierLevel()->getConstraintInfo()->getProgressiveSourceFlag() && !pcSPS->getProfileTierLevel()->getConstraintInfo()->getInterlacedSourceFlag()) { WRITE_UVLC(pcVUI->getChromaSampleLocType(), "vui_chroma_sample_loc_type"); } else { WRITE_UVLC(pcVUI->getChromaSampleLocTypeTopField(), "vui_chroma_sample_loc_type_top_field"); WRITE_UVLC(pcVUI->getChromaSampleLocTypeBottomField(), "vui_chroma_sample_loc_type_bottom_field"); } } } #else void HLSWriter::codeVUI( const VUI *pcVUI, const SPS* pcSPS ) { #if ENABLE_TRACING DTRACE( g_trace_ctx, D_HEADER, "----------- vui_parameters -----------\n"); #endif WRITE_FLAG(pcVUI->getAspectRatioInfoPresentFlag(), "aspect_ratio_info_present_flag"); if (pcVUI->getAspectRatioInfoPresentFlag()) { WRITE_FLAG(pcVUI->getAspectRatioConstantFlag(), "aspect_ratio_constant_flag"); WRITE_CODE(pcVUI->getAspectRatioIdc(), 8, "aspect_ratio_idc" ); if (pcVUI->getAspectRatioIdc() == 255) { WRITE_CODE(pcVUI->getSarWidth(), 16, "sar_width"); WRITE_CODE(pcVUI->getSarHeight(), 16, "sar_height"); } } WRITE_FLAG(pcVUI->getColourDescriptionPresentFlag(), "colour_description_present_flag"); if (pcVUI->getColourDescriptionPresentFlag()) { WRITE_CODE(pcVUI->getColourPrimaries(), 8, "colour_primaries"); WRITE_CODE(pcVUI->getTransferCharacteristics(), 8, "transfer_characteristics"); WRITE_CODE(pcVUI->getMatrixCoefficients(), 8, "matrix_coeffs"); WRITE_FLAG(pcVUI->getVideoFullRangeFlag(), "video_full_range_flag"); } WRITE_FLAG(pcVUI->getFieldSeqFlag(), "field_seq_flag"); WRITE_FLAG(pcVUI->getChromaLocInfoPresentFlag(), "chroma_loc_info_present_flag"); if (pcVUI->getChromaLocInfoPresentFlag()) { if(pcVUI->getFieldSeqFlag()) { WRITE_UVLC(pcVUI->getChromaSampleLocTypeTopField(), "chroma_sample_loc_type_top_field"); WRITE_UVLC(pcVUI->getChromaSampleLocTypeBottomField(), "chroma_sample_loc_type_bottom_field"); } else { WRITE_UVLC(pcVUI->getChromaSampleLocType(), "chroma_sample_loc_type"); } } WRITE_FLAG(pcVUI->getOverscanInfoPresentFlag(), "overscan_info_present_flag"); if (pcVUI->getOverscanInfoPresentFlag()) { WRITE_FLAG(pcVUI->getOverscanAppropriateFlag(), "overscan_appropriate_flag"); } } #endif void HLSWriter::codeHrdParameters( const HRDParameters *hrd, const uint32_t firstSubLayer, const uint32_t maxNumSubLayersMinus1) { WRITE_FLAG( hrd->getNalHrdParametersPresentFlag() ? 1 : 0 , "general_nal_hrd_parameters_present_flag" ); WRITE_FLAG( hrd->getVclHrdParametersPresentFlag() ? 1 : 0 , "general_vcl_hrd_parameters_present_flag" ); WRITE_FLAG( hrd->getGeneralDecodingUnitHrdParamsPresentFlag() ? 1 : 0, "general_decoding_unit_hrd_params_present_flag" ); if( hrd->getGeneralDecodingUnitHrdParamsPresentFlag() ) { WRITE_CODE( hrd->getTickDivisorMinus2(), 8, "tick_divisor_minus2" ); } WRITE_CODE( hrd->getBitRateScale(), 4, "bit_rate_scale" ); WRITE_CODE( hrd->getCpbSizeScale(), 4, "cpb_size_scale" ); if( hrd->getGeneralDecodingUnitHrdParamsPresentFlag() ) { WRITE_CODE( hrd->getCpbSizeDuScale(), 4, "cpb_size_du_scale" ); } for( int i = firstSubLayer; i <= maxNumSubLayersMinus1; i ++ ) { WRITE_FLAG( hrd->getFixedPicRateFlag( i ) ? 1 : 0, "fixed_pic_rate_general_flag"); bool fixedPixRateWithinCvsFlag = true; if( !hrd->getFixedPicRateFlag( i ) ) { fixedPixRateWithinCvsFlag = hrd->getFixedPicRateWithinCvsFlag( i ); WRITE_FLAG( hrd->getFixedPicRateWithinCvsFlag( i ) ? 1 : 0, "fixed_pic_rate_within_cvs_flag"); } if( fixedPixRateWithinCvsFlag ) { WRITE_UVLC( hrd->getPicDurationInTcMinus1( i ), "elemental_duration_in_tc_minus1"); } else { WRITE_FLAG( hrd->getLowDelayHrdFlag( i ) ? 1 : 0, "low_delay_hrd_flag"); } if (!hrd->getLowDelayHrdFlag( i )) { WRITE_UVLC( hrd->getCpbCntMinus1( i ), "cpb_cnt_minus1"); } for( int nalOrVcl = 0; nalOrVcl < 2; nalOrVcl ++ ) { if( ( ( nalOrVcl == 0 ) && ( hrd->getNalHrdParametersPresentFlag() ) ) || ( ( nalOrVcl == 1 ) && ( hrd->getVclHrdParametersPresentFlag() ) ) ) { for( int j = 0; j <= ( hrd->getCpbCntMinus1( i ) ); j ++ ) { WRITE_UVLC( hrd->getBitRateValueMinus1( i, j, nalOrVcl ), "bit_rate_value_minus1"); WRITE_UVLC( hrd->getCpbSizeValueMinus1( i, j, nalOrVcl ), "cpb_size_value_minus1"); WRITE_FLAG( hrd->getCbrFlag( i, j, nalOrVcl ) ? 1 : 0, "cbr_flag"); } } } } } void HLSWriter::codeSPS( const SPS* pcSPS ) { #if ENABLE_TRACING xTraceSPSHeader (); #endif WRITE_CODE( pcSPS->getDecodingParameterSetId (), 4, "sps_decoding_parameter_set_id" ); WRITE_CODE( pcSPS->getVPSId(), 4, "sps_video_parameter_set_id" ); CHECK(pcSPS->getMaxTLayers() == 0, "Maximum number of temporal sub-layers is '0'"); WRITE_CODE(pcSPS->getMaxTLayers() - 1, 3, "sps_max_sub_layers_minus1"); WRITE_CODE(0, 5, "sps_reserved_zero_5bits"); codeProfileTierLevel( pcSPS->getProfileTierLevel(), pcSPS->getMaxTLayers() - 1 ); WRITE_FLAG(pcSPS->getGDREnabledFlag(), "gdr_enabled_flag"); WRITE_CODE( pcSPS->getSPSId (), 4, "sps_seq_parameter_set_id" ); WRITE_CODE(int(pcSPS->getChromaFormatIdc ()), 2, "chroma_format_idc"); const ChromaFormat format = pcSPS->getChromaFormatIdc(); #if JVET_Q0265 const uint32_t separate_colour_plane_flag = pcSPS->getSeparateColourPlaneFlag(); if( format == CHROMA_444 ) { CHECK(separate_colour_plane_flag != 0, "separate_colour_plane_flag is not '0'"); WRITE_FLAG( separate_colour_plane_flag, "separate_colour_plane_flag"); } const uint32_t chromaArrayType = separate_colour_plane_flag ? 0 : format; #else if( format == CHROMA_444 ) { WRITE_FLAG( 0, "separate_colour_plane_flag"); } #endif #if JVET_Q0043_RPR_and_Subpics WRITE_FLAG( pcSPS->getRprEnabledFlag(), "res_change_in_clvs_allowed_flag" ); #else WRITE_FLAG( pcSPS->getRprEnabledFlag(), "ref_pic_resampling_enabled_flag" ); #endif WRITE_UVLC( pcSPS->getMaxPicWidthInLumaSamples(), "pic_width_max_in_luma_samples" ); WRITE_UVLC( pcSPS->getMaxPicHeightInLumaSamples(), "pic_height_max_in_luma_samples" ); WRITE_CODE(floorLog2(pcSPS->getCTUSize()) - 5, 2, "sps_log2_ctu_size_minus5"); #if JVET_Q0043_RPR_and_Subpics | JVET_Q0119_CLEANUPS #if JVET_Q0119_CLEANUPS WRITE_FLAG(pcSPS->getSubPicInfoPresentFlag(), "subpic_info_present_flag"); #else WRITE_FLAG(pcSPS->getSubPicPresentFlag(), "subpic_info_present_flag"); #endif #else WRITE_FLAG(pcSPS->getSubPicPresentFlag(), "subpics_present_flag"); #endif #if JVET_Q0119_CLEANUPS if (pcSPS->getSubPicInfoPresentFlag()) #else if(pcSPS->getSubPicPresentFlag()) #endif { #if JVET_Q0119_CLEANUPS WRITE_UVLC(pcSPS->getNumSubPics() - 1, "sps_num_subpics_minus1"); #else WRITE_CODE(pcSPS->getNumSubPics() - 1, 8, "sps_num_subpics_minus1"); #endif #if JVET_Q0816 if( pcSPS->getNumSubPics() > 1 ) { #endif for (int picIdx = 0; picIdx < pcSPS->getNumSubPics(); picIdx++) { #if JVET_Q0787_SUBPIC if (pcSPS->getMaxPicWidthInLumaSamples() > pcSPS->getCTUSize()) { WRITE_CODE( pcSPS->getSubPicCtuTopLeftX(picIdx), ceilLog2(( pcSPS->getMaxPicWidthInLumaSamples() + pcSPS->getCTUSize() - 1) / pcSPS->getCTUSize()), "subpic_ctu_top_left_x[ i ]" ); } if (pcSPS->getMaxPicHeightInLumaSamples() > pcSPS->getCTUSize()) { WRITE_CODE( pcSPS->getSubPicCtuTopLeftY(picIdx), ceilLog2(( pcSPS->getMaxPicHeightInLumaSamples() + pcSPS->getCTUSize() - 1) / pcSPS->getCTUSize()), "subpic_ctu_top_left_y[ i ]" ); } #if JVET_Q0413_SKIP_LAST_SUBPIC_SIG if (picIdx<pcSPS->getNumSubPics()-1 && pcSPS->getMaxPicWidthInLumaSamples() > pcSPS->getCTUSize()) #else if (pcSPS->getMaxPicWidthInLumaSamples() > pcSPS->getCTUSize()) #endif { WRITE_CODE( pcSPS->getSubPicWidth(picIdx) - 1, ceilLog2(( pcSPS->getMaxPicWidthInLumaSamples() + pcSPS->getCTUSize() - 1) / pcSPS->getCTUSize()), "subpic_width_minus1[ i ]" ); } #if JVET_Q0413_SKIP_LAST_SUBPIC_SIG if (picIdx<pcSPS->getNumSubPics() - 1 && pcSPS->getMaxPicHeightInLumaSamples() > pcSPS->getCTUSize()) #else if (pcSPS->getMaxPicHeightInLumaSamples() > pcSPS->getCTUSize()) #endif { WRITE_CODE( pcSPS->getSubPicHeight(picIdx) - 1, ceilLog2(( pcSPS->getMaxPicHeightInLumaSamples() + pcSPS->getCTUSize() - 1) / pcSPS->getCTUSize()), "subpic_height_minus1[ i ]" ); } #else WRITE_CODE( pcSPS->getSubPicCtuTopLeftX(picIdx), std::max(1, ceilLog2((( pcSPS->getMaxPicWidthInLumaSamples() + pcSPS->getCTUSize() - 1) >> floorLog2( pcSPS->getCTUSize())))), "subpic_ctu_top_left_x[ i ]" ); WRITE_CODE( pcSPS->getSubPicCtuTopLeftY(picIdx), std::max(1, ceilLog2((( pcSPS->getMaxPicHeightInLumaSamples() + pcSPS->getCTUSize() - 1) >> floorLog2( pcSPS->getCTUSize())))), "subpic_ctu_top_left_y[ i ]" ); WRITE_CODE( pcSPS->getSubPicWidth(picIdx) - 1, std::max(1, ceilLog2((( pcSPS->getMaxPicWidthInLumaSamples() + pcSPS->getCTUSize() - 1) >> floorLog2( pcSPS->getCTUSize())))), "subpic_width_minus1[ i ]" ); WRITE_CODE( pcSPS->getSubPicHeight(picIdx) - 1, std::max(1, ceilLog2((( pcSPS->getMaxPicHeightInLumaSamples() + pcSPS->getCTUSize() - 1) >> floorLog2( pcSPS->getCTUSize())))), "subpic_height_minus1[ i ]" ); #endif WRITE_FLAG( pcSPS->getSubPicTreatedAsPicFlag(picIdx), "subpic_treated_as_pic_flag[ i ]" ); WRITE_FLAG( pcSPS->getLoopFilterAcrossSubpicEnabledFlag(picIdx), "loop_filter_across_subpic_enabled_flag[ i ]" ); } #if JVET_Q0816 } #endif #if JVET_Q0119_CLEANUPS WRITE_UVLC(pcSPS->getSubPicIdLen() - 1, "sps_subpic_id_len_minus1"); WRITE_FLAG(pcSPS->getSubPicIdMappingExplicitlySignalledFlag(), "subpic_id_mapping_explicitly_signalled_flag"); if (pcSPS->getSubPicIdMappingExplicitlySignalledFlag()) { WRITE_FLAG(pcSPS->getSubPicIdMappingInSpsFlag(), "subpic_id_mapping_in_sps_flag"); if (pcSPS->getSubPicIdMappingInSpsFlag()) { for (int picIdx = 0; picIdx < pcSPS->getNumSubPics(); picIdx++) { WRITE_CODE(pcSPS->getSubPicId(picIdx), pcSPS->getSubPicIdLen(), "sps_subpic_id[i]"); } } } } #else } WRITE_FLAG( pcSPS->getSubPicIdPresentFlag(), "sps_subpic_id_present_flag"); if( pcSPS->getSubPicIdPresentFlag() ) { WRITE_FLAG(pcSPS->getSubPicIdSignallingPresentFlag(), "sps_subpic_id_signalling_present_flag"); if( pcSPS->getSubPicIdSignallingPresentFlag() ) { WRITE_UVLC( pcSPS->getSubPicIdLen( ) - 1, "sps_subpic_id_len_minus1" ); #if JVET_Q0169_SUBPIC_LEN_CONFORM CHECK((1 << pcSPS->getSubPicIdLen()) < pcSPS->getNumSubPics(), "sps_subpic_id_len exceeds valid range"); #endif for( int picIdx = 0; picIdx < pcSPS->getNumSubPics( ); picIdx++ ) { WRITE_CODE( pcSPS->getSubPicId(picIdx), pcSPS->getSubPicIdLen( ), "sps_subpic_id[i]" ); } } } #endif WRITE_UVLC( pcSPS->getBitDepth(CHANNEL_TYPE_LUMA) - 8, "bit_depth_minus8" ); #if !JVET_Q0183_SPS_TRANSFORM_SKIP_MODE_CONTROL WRITE_UVLC( pcSPS->getMinQpPrimeTsMinus4(CHANNEL_TYPE_LUMA), "min_qp_prime_ts_minus4" ); #endif WRITE_FLAG( pcSPS->getUseWP() ? 1 : 0, "sps_weighted_pred_flag" ); // Use of Weighting Prediction (P_SLICE) WRITE_FLAG( pcSPS->getUseWPBiPred() ? 1 : 0, "sps_weighted_bipred_flag" ); // Use of Weighting Bi-Prediction (B_SLICE) WRITE_CODE(pcSPS->getBitsForPOC()-4, 4, "log2_max_pic_order_cnt_lsb_minus4"); // KJS: Marakech decision: sub-layers added back const bool subLayerOrderingInfoPresentFlag = 1; if (pcSPS->getMaxTLayers() > 1) { WRITE_FLAG(subLayerOrderingInfoPresentFlag, "sps_sub_layer_ordering_info_present_flag"); } for(uint32_t i=0; i <= pcSPS->getMaxTLayers()-1; i++) { WRITE_UVLC( pcSPS->getMaxDecPicBuffering(i) - 1, "sps_max_dec_pic_buffering_minus1[i]" ); WRITE_UVLC( pcSPS->getNumReorderPics(i), "sps_max_num_reorder_pics[i]" ); WRITE_UVLC( pcSPS->getMaxLatencyIncreasePlus1(i), "sps_max_latency_increase_plus1[i]" ); if (!subLayerOrderingInfoPresentFlag) { break; } } CHECK( pcSPS->getMaxCUWidth() != pcSPS->getMaxCUHeight(), "Rectangular CTUs not supported" ); WRITE_FLAG(pcSPS->getLongTermRefsPresent() ? 1 : 0, "long_term_ref_pics_flag"); WRITE_FLAG( pcSPS->getInterLayerPresentFlag() ? 1 : 0, "inter_layer_ref_pics_present_flag" ); WRITE_FLAG(pcSPS->getIDRRefParamListPresent() ? 1 : 0, "sps_idr_rpl_present_flag" ); WRITE_FLAG(pcSPS->getRPL1CopyFromRPL0Flag() ? 1 : 0, "rpl1_copy_from_rpl0_flag"); const RPLList* rplList0 = pcSPS->getRPLList0(); const RPLList* rplList1 = pcSPS->getRPLList1(); //Write candidate for List0 uint32_t numberOfRPL = pcSPS->getNumRPL0(); WRITE_UVLC(numberOfRPL, "num_ref_pic_lists_in_sps[0]"); for (int ii = 0; ii < numberOfRPL; ii++) { const ReferencePictureList* rpl = rplList0->getReferencePictureList(ii); xCodeRefPicList( rpl, pcSPS->getLongTermRefsPresent(), pcSPS->getBitsForPOC(), !pcSPS->getUseWP() && !pcSPS->getUseWPBiPred() ); } //Write candidate for List1 if (!pcSPS->getRPL1CopyFromRPL0Flag()) { numberOfRPL = pcSPS->getNumRPL1(); WRITE_UVLC(numberOfRPL, "num_ref_pic_lists_in_sps[1]"); for (int ii = 0; ii < numberOfRPL; ii++) { const ReferencePictureList* rpl = rplList1->getReferencePictureList(ii); xCodeRefPicList( rpl, pcSPS->getLongTermRefsPresent(), pcSPS->getBitsForPOC(), !pcSPS->getUseWP() && !pcSPS->getUseWPBiPred() ); } } if( pcSPS->getChromaFormatIdc() != CHROMA_400 ) { WRITE_FLAG(pcSPS->getUseDualITree(), "qtbtt_dual_tree_intra_flag"); } WRITE_UVLC(pcSPS->getLog2MinCodingBlockSize() - 2, "log2_min_luma_coding_block_size_minus2"); WRITE_FLAG(pcSPS->getSplitConsOverrideEnabledFlag(), "partition_constraints_override_enabled_flag"); WRITE_UVLC(floorLog2(pcSPS->getMinQTSize(I_SLICE)) - pcSPS->getLog2MinCodingBlockSize(), "sps_log2_diff_min_qt_min_cb_intra_slice_luma"); #if !JVET_Q0481_PARTITION_CONSTRAINTS_ORDER WRITE_UVLC(floorLog2(pcSPS->getMinQTSize(B_SLICE)) - pcSPS->getLog2MinCodingBlockSize(), "sps_log2_diff_min_qt_min_cb_inter_slice"); WRITE_UVLC(pcSPS->getMaxMTTHierarchyDepth(), "sps_max_mtt_hierarchy_depth_inter_slice"); #endif WRITE_UVLC(pcSPS->getMaxMTTHierarchyDepthI(), "sps_max_mtt_hierarchy_depth_intra_slice_luma"); if (pcSPS->getMaxMTTHierarchyDepthI() != 0) { WRITE_UVLC(floorLog2(pcSPS->getMaxBTSizeI()) - floorLog2(pcSPS->getMinQTSize(I_SLICE)), "sps_log2_diff_max_bt_min_qt_intra_slice_luma"); WRITE_UVLC(floorLog2(pcSPS->getMaxTTSizeI()) - floorLog2(pcSPS->getMinQTSize(I_SLICE)), "sps_log2_diff_max_tt_min_qt_intra_slice_luma"); } #if JVET_Q0481_PARTITION_CONSTRAINTS_ORDER WRITE_UVLC(floorLog2(pcSPS->getMinQTSize(B_SLICE)) - pcSPS->getLog2MinCodingBlockSize(), "sps_log2_diff_min_qt_min_cb_inter_slice"); WRITE_UVLC(pcSPS->getMaxMTTHierarchyDepth(), "sps_max_mtt_hierarchy_depth_inter_slice"); #endif if (pcSPS->getMaxMTTHierarchyDepth() != 0) { WRITE_UVLC(floorLog2(pcSPS->getMaxBTSize()) - floorLog2(pcSPS->getMinQTSize(B_SLICE)), "sps_log2_diff_max_bt_min_qt_inter_slice"); WRITE_UVLC(floorLog2(pcSPS->getMaxTTSize()) - floorLog2(pcSPS->getMinQTSize(B_SLICE)), "sps_log2_diff_max_tt_min_qt_inter_slice"); } if (pcSPS->getUseDualITree()) { #if JVET_Q0468_Q0469_MIN_LUMA_CB_AND_MIN_QT_FIX // Since in software minQT[2] is in chroma samples, min CB size in luma samples is first converted into chroma samples for the calculation const int minDiff = (int)floorLog2(pcSPS->getMinQTSize(I_SLICE, CHANNEL_TYPE_CHROMA)) - std::max(MIN_CU_LOG2, pcSPS->getLog2MinCodingBlockSize() - (int)getChannelTypeScaleX(CHANNEL_TYPE_CHROMA, pcSPS->getChromaFormatIdc())); CHECK(minDiff < 0, "Wrong min intra QT chroma"); WRITE_UVLC(minDiff, "sps_log2_diff_min_qt_min_cb_intra_slice_chroma"); #else WRITE_UVLC(floorLog2(pcSPS->getMinQTSize(I_SLICE, CHANNEL_TYPE_CHROMA)) - pcSPS->getLog2MinCodingBlockSize(), "sps_log2_diff_min_qt_min_cb_intra_slice_chroma"); #endif WRITE_UVLC(pcSPS->getMaxMTTHierarchyDepthIChroma(), "sps_max_mtt_hierarchy_depth_intra_slice_chroma"); if (pcSPS->getMaxMTTHierarchyDepthIChroma() != 0) { WRITE_UVLC(floorLog2(pcSPS->getMaxBTSizeIChroma()) - floorLog2(pcSPS->getMinQTSize(I_SLICE, CHANNEL_TYPE_CHROMA)), "sps_log2_diff_max_bt_min_qt_intra_slice_chroma"); WRITE_UVLC(floorLog2(pcSPS->getMaxTTSizeIChroma()) - floorLog2(pcSPS->getMinQTSize(I_SLICE, CHANNEL_TYPE_CHROMA)), "sps_log2_diff_max_tt_min_qt_intra_slice_chroma"); } } WRITE_FLAG( (pcSPS->getLog2MaxTbSize() - 5) ? 1 : 0, "sps_max_luma_transform_size_64_flag" ); #if JVET_Q0147_JCCR_SIGNALLING #if JVET_Q0265 if (chromaArrayType != CHROMA_400) #else if (pcSPS->getChromaFormatIdc() != CHROMA_400) #endif { WRITE_FLAG(pcSPS->getJointCbCrEnabledFlag(), "sps_joint_cbcr_enabled_flag"); #else WRITE_FLAG(pcSPS->getJointCbCrEnabledFlag(), "sps_joint_cbcr_enabled_flag"); if (pcSPS->getChromaFormatIdc() != CHROMA_400) { #endif const ChromaQpMappingTable& chromaQpMappingTable = pcSPS->getChromaQpMappingTable(); WRITE_FLAG(chromaQpMappingTable.getSameCQPTableForAllChromaFlag(), "same_qp_table_for_chroma"); int numQpTables = chromaQpMappingTable.getSameCQPTableForAllChromaFlag() ? 1 : (pcSPS->getJointCbCrEnabledFlag() ? 3 : 2); CHECK(numQpTables != chromaQpMappingTable.getNumQpTables(), " numQpTables does not match at encoder side "); for (int i = 0; i < numQpTables; i++) { WRITE_SVLC(chromaQpMappingTable.getQpTableStartMinus26(i), "qp_table_starts_minus26"); WRITE_UVLC(chromaQpMappingTable.getNumPtsInCQPTableMinus1(i), "num_points_in_qp_table_minus1"); for (int j = 0; j <= chromaQpMappingTable.getNumPtsInCQPTableMinus1(i); j++) { WRITE_UVLC(chromaQpMappingTable.getDeltaQpInValMinus1(i,j), "delta_qp_in_val_minus1"); WRITE_UVLC(chromaQpMappingTable.getDeltaQpOutVal(i, j) ^ chromaQpMappingTable.getDeltaQpInValMinus1(i, j), "delta_qp_diff_val"); } } } WRITE_FLAG( pcSPS->getSAOEnabledFlag(), "sps_sao_enabled_flag"); WRITE_FLAG( pcSPS->getALFEnabledFlag(), "sps_alf_enabled_flag" ); #if JVET_Q0795_CCALF if (pcSPS->getALFEnabledFlag() && pcSPS->getChromaFormatIdc() != CHROMA_400) { WRITE_FLAG( pcSPS->getCCALFEnabledFlag(), "sps_ccalf_enabled_flag" ); } #endif WRITE_FLAG(pcSPS->getTransformSkipEnabledFlag() ? 1 : 0, "sps_transform_skip_enabled_flag"); if (pcSPS->getTransformSkipEnabledFlag()) { #if JVET_Q0183_SPS_TRANSFORM_SKIP_MODE_CONTROL WRITE_UVLC(pcSPS->getLog2MaxTransformSkipBlockSize() - 2, "log2_transform_skip_max_size_minus2"); #endif #if JVET_Q0089_SLICE_LOSSLESS_CODING_CHROMA_BDPCM WRITE_FLAG(pcSPS->getBDPCMEnabledFlag() ? 1 : 0, "sps_bdpcm_enabled_flag"); #else WRITE_FLAG(pcSPS->getBDPCMEnabled() ? 1 : 0, "sps_bdpcm_enabled_flag"); #if JVET_Q0110_Q0785_CHROMA_BDPCM_420 if( pcSPS->getBDPCMEnabled() ) #else if (pcSPS->getBDPCMEnabled() && pcSPS->getChromaFormatIdc() == CHROMA_444) #endif { WRITE_FLAG(pcSPS->getBDPCMEnabled() == BDPCM_LUMACHROMA ? 1 : 0, "sps_bdpcm_enabled_chroma_flag"); } #if !JVET_Q0110_Q0785_CHROMA_BDPCM_420 else { CHECK(pcSPS->getBDPCMEnabled() == BDPCM_LUMACHROMA, "BDPCM for chroma can be used for 444 only.") } #endif #endif } else { #if JVET_Q0089_SLICE_LOSSLESS_CODING_CHROMA_BDPCM CHECK(pcSPS->getBDPCMEnabledFlag(), "BDPCM cannot be used when transform skip is disabled"); #else CHECK(pcSPS->getBDPCMEnabled()!=0, "BDPCM cannot be used when transform skip is disabled"); #endif } WRITE_FLAG( pcSPS->getWrapAroundEnabledFlag() ? 1 : 0, "sps_ref_wraparound_enabled_flag" ); if( pcSPS->getWrapAroundEnabledFlag() ) { WRITE_UVLC( (pcSPS->getWrapAroundOffset()/(1 << pcSPS->getLog2MinCodingBlockSize()))-1, "sps_ref_wraparound_offset_minus1" ); } WRITE_FLAG( pcSPS->getSPSTemporalMVPEnabledFlag() ? 1 : 0, "sps_temporal_mvp_enabled_flag" ); if ( pcSPS->getSPSTemporalMVPEnabledFlag() ) { WRITE_FLAG( pcSPS->getSBTMVPEnabledFlag() ? 1 : 0, "sps_sbtmvp_enabled_flag"); } WRITE_FLAG( pcSPS->getAMVREnabledFlag() ? 1 : 0, "sps_amvr_enabled_flag" ); WRITE_FLAG( pcSPS->getBDOFEnabledFlag() ? 1 : 0, "sps_bdof_enabled_flag" ); if (pcSPS->getBDOFEnabledFlag()) { WRITE_FLAG(pcSPS->getBdofControlPresentFlag() ? 1 : 0, "sps_bdof_pic_present_flag"); } WRITE_FLAG( pcSPS->getUseSMVD() ? 1 : 0, "sps_smvd_enabled_flag" ); WRITE_FLAG( pcSPS->getUseDMVR() ? 1 : 0, "sps_dmvr_enabled_flag" ); if (pcSPS->getUseDMVR()) { WRITE_FLAG(pcSPS->getDmvrControlPresentFlag() ? 1 : 0, "sps_dmvr_pic_present_flag"); } WRITE_FLAG(pcSPS->getUseMMVD() ? 1 : 0, "sps_mmvd_enabled_flag"); WRITE_FLAG( pcSPS->getUseISP() ? 1 : 0, "sps_isp_enabled_flag"); WRITE_FLAG( pcSPS->getUseMRL() ? 1 : 0, "sps_mrl_enabled_flag"); WRITE_FLAG( pcSPS->getUseMIP() ? 1 : 0, "sps_mip_enabled_flag"); if( pcSPS->getChromaFormatIdc() != CHROMA_400) { WRITE_FLAG( pcSPS->getUseLMChroma() ? 1 : 0, "sps_cclm_enabled_flag"); } if( pcSPS->getChromaFormatIdc() == CHROMA_420 ) { WRITE_FLAG( pcSPS->getHorCollocatedChromaFlag() ? 1 : 0, "sps_chroma_horizontal_collocated_flag" ); WRITE_FLAG( pcSPS->getVerCollocatedChromaFlag() ? 1 : 0, "sps_chroma_vertical_collocated_flag" ); } WRITE_FLAG( pcSPS->getUseMTS() ? 1 : 0, "sps_mts_enabled_flag" ); if ( pcSPS->getUseMTS() ) { WRITE_FLAG( pcSPS->getUseIntraMTS() ? 1 : 0, "sps_explicit_mts_intra_enabled_flag" ); WRITE_FLAG( pcSPS->getUseInterMTS() ? 1 : 0, "sps_explicit_mts_inter_enabled_flag" ); } WRITE_FLAG( pcSPS->getUseSBT() ? 1 : 0, "sps_sbt_enabled_flag"); WRITE_FLAG( pcSPS->getUseAffine() ? 1 : 0, "sps_affine_enabled_flag" ); if ( pcSPS->getUseAffine() ) { WRITE_FLAG( pcSPS->getUseAffineType() ? 1 : 0, "sps_affine_type_flag" ); #if JVET_Q0444_AMVR_SIGNALLING if (pcSPS->getAMVREnabledFlag()) { #endif WRITE_FLAG( pcSPS->getAffineAmvrEnabledFlag() ? 1 : 0, "sps_affine_amvr_enabled_flag" ); #if JVET_Q0444_AMVR_SIGNALLING } #endif WRITE_FLAG( pcSPS->getUsePROF() ? 1 : 0, "sps_affine_prof_enabled_flag" ); if (pcSPS->getUsePROF()) { WRITE_FLAG(pcSPS->getProfControlPresentFlag() ? 1 : 0, "sps_prof_pic_present_flag" ); } } if (pcSPS->getChromaFormatIdc() == CHROMA_444) { #if JVET_Q0820_ACT if (pcSPS->getLog2MaxTbSize() != 6) { WRITE_FLAG(pcSPS->getUseColorTrans() ? 1 : 0, "sps_act_enabled_flag"); } #else WRITE_FLAG(pcSPS->getUseColorTrans() ? 1 : 0, "sps_act_enabled_flag"); #endif } #if JVET_Q0504_PLT_NON444 WRITE_FLAG(pcSPS->getPLTMode() ? 1 : 0, "sps_palette_enabled_flag" ); #else if (pcSPS->getChromaFormatIdc() == CHROMA_444) { WRITE_FLAG(pcSPS->getPLTMode() ? 1 : 0, "sps_palette_enabled_flag" ); } #endif #if JVET_Q0183_SPS_TRANSFORM_SKIP_MODE_CONTROL if (pcSPS->getTransformSkipEnabledFlag() || pcSPS->getPLTMode()) { WRITE_UVLC(pcSPS->getMinQpPrimeTsMinus4(CHANNEL_TYPE_LUMA), "min_qp_prime_ts_minus4"); } #endif WRITE_FLAG( pcSPS->getUseBcw() ? 1 : 0, "sps_bcw_enabled_flag" ); WRITE_FLAG(pcSPS->getIBCFlag() ? 1 : 0, "sps_ibc_enabled_flag"); // KJS: sps_ciip_enabled_flag WRITE_FLAG( pcSPS->getUseCiip() ? 1 : 0, "sps_ciip_enabled_flag" ); if ( pcSPS->getUseMMVD() ) { WRITE_FLAG( pcSPS->getFpelMmvdEnabledFlag() ? 1 : 0, "sps_fpel_mmvd_enabled_flag" ); } #if !JVET_Q0806 WRITE_FLAG( pcSPS->getUseTriangle() ? 1: 0, "sps_triangle_enabled_flag" ); #else WRITE_FLAG( pcSPS->getUseGeo() ? 1: 0, "sps_gpm_enabled_flag" ); #endif WRITE_FLAG(pcSPS->getUseLmcs() ? 1 : 0, "sps_lmcs_enable_flag"); WRITE_FLAG( pcSPS->getUseLFNST() ? 1 : 0, "sps_lfnst_enabled_flag" ); #if LUMA_ADAPTIVE_DEBLOCKING_FILTER_QP_OFFSET WRITE_FLAG( pcSPS->getLadfEnabled() ? 1 : 0, "sps_ladf_enabled_flag" ); if ( pcSPS->getLadfEnabled() ) { WRITE_CODE( pcSPS->getLadfNumIntervals() - 2, 2, "sps_num_ladf_intervals_minus2" ); WRITE_SVLC( pcSPS->getLadfQpOffset( 0 ), "sps_ladf_lowest_interval_qp_offset"); for ( int k = 1; k< pcSPS->getLadfNumIntervals(); k++ ) { WRITE_SVLC( pcSPS->getLadfQpOffset( k ), "sps_ladf_qp_offset" ); WRITE_UVLC( pcSPS->getLadfIntervalLowerBound( k ) - pcSPS->getLadfIntervalLowerBound( k - 1 ) - 1, "sps_ladf_delta_threshold_minus1" ); } } #endif #if JVET_Q0297_MER WRITE_UVLC(pcSPS->getLog2ParallelMergeLevelMinus2(), "log2_parallel_merge_level_minus2"); #endif // KJS: reference picture sets to be replaced // KJS: remove scaling lists? WRITE_FLAG( pcSPS->getScalingListFlag() ? 1 : 0, "sps_scaling_list_enabled_flag" ); WRITE_FLAG( pcSPS->getLoopFilterAcrossVirtualBoundariesDisabledFlag(), "sps_loop_filter_across_virtual_boundaries_disabled_present_flag" ); if( pcSPS->getLoopFilterAcrossVirtualBoundariesDisabledFlag() ) { WRITE_CODE( pcSPS->getNumVerVirtualBoundaries(), 2, "sps_num_ver_virtual_boundaries"); for( unsigned i = 0; i < pcSPS->getNumVerVirtualBoundaries(); i++ ) { WRITE_CODE((pcSPS->getVirtualBoundariesPosX(i)>>3), 13, "sps_virtual_boundaries_pos_x"); } WRITE_CODE(pcSPS->getNumHorVirtualBoundaries(), 2, "sps_num_hor_virtual_boundaries"); for( unsigned i = 0; i < pcSPS->getNumHorVirtualBoundaries(); i++ ) { WRITE_CODE((pcSPS->getVirtualBoundariesPosY(i)>>3), 13, "sps_virtual_boundaries_pos_y"); } } const TimingInfo *timingInfo = pcSPS->getTimingInfo(); WRITE_FLAG(pcSPS->getHrdParametersPresentFlag(), "general_hrd_parameters_present_flag"); if( pcSPS->getHrdParametersPresentFlag() ) { WRITE_CODE(timingInfo->getNumUnitsInTick(), 32, "num_units_in_tick"); WRITE_CODE(timingInfo->getTimeScale(), 32, "time_scale"); WRITE_FLAG(pcSPS->getSubLayerParametersPresentFlag(), "sub_layer_cpb_parameters_present_flag"); if (pcSPS->getSubLayerParametersPresentFlag()) { codeHrdParameters(pcSPS->getHrdParameters(), 0, pcSPS->getMaxTLayers() - 1); } else { codeHrdParameters(pcSPS->getHrdParameters(), pcSPS->getMaxTLayers() - 1, pcSPS->getMaxTLayers() - 1); } } #if JVET_Q0042_VUI WRITE_FLAG(pcSPS->getFieldSeqFlag(), "field_seq_flag"); #endif WRITE_FLAG( pcSPS->getVuiParametersPresentFlag(), "vui_parameters_present_flag" ); if (pcSPS->getVuiParametersPresentFlag()) { codeVUI(pcSPS->getVuiParameters(), pcSPS); } bool sps_extension_present_flag=false; bool sps_extension_flags[NUM_SPS_EXTENSION_FLAGS]={false}; sps_extension_flags[SPS_EXT__REXT] = pcSPS->getSpsRangeExtension().settingsDifferFromDefaults(); // Other SPS extension flags checked here. for(int i=0; i<NUM_SPS_EXTENSION_FLAGS; i++) { sps_extension_present_flag|=sps_extension_flags[i]; } WRITE_FLAG( (sps_extension_present_flag?1:0), "sps_extension_present_flag" ); if (sps_extension_present_flag) { #if ENABLE_TRACING /*|| RExt__DECODER_DEBUG_BIT_STATISTICS*/ static const char *syntaxStrings[]={ "sps_range_extension_flag", "sps_multilayer_extension_flag", "sps_extension_6bits[0]", "sps_extension_6bits[1]", "sps_extension_6bits[2]", "sps_extension_6bits[3]", "sps_extension_6bits[4]", "sps_extension_6bits[5]" }; #endif for(int i=0; i<NUM_SPS_EXTENSION_FLAGS; i++) { WRITE_FLAG( sps_extension_flags[i]?1:0, syntaxStrings[i] ); } for(int i=0; i<NUM_SPS_EXTENSION_FLAGS; i++) // loop used so that the order is determined by the enum. { if (sps_extension_flags[i]) { switch (SPSExtensionFlagIndex(i)) { case SPS_EXT__REXT: { const SPSRExt &spsRangeExtension=pcSPS->getSpsRangeExtension(); WRITE_FLAG( (spsRangeExtension.getTransformSkipRotationEnabledFlag() ? 1 : 0), "transform_skip_rotation_enabled_flag"); WRITE_FLAG( (spsRangeExtension.getTransformSkipContextEnabledFlag() ? 1 : 0), "transform_skip_context_enabled_flag"); WRITE_FLAG( (spsRangeExtension.getRdpcmEnabledFlag(RDPCM_SIGNAL_IMPLICIT) ? 1 : 0), "implicit_rdpcm_enabled_flag" ); WRITE_FLAG( (spsRangeExtension.getRdpcmEnabledFlag(RDPCM_SIGNAL_EXPLICIT) ? 1 : 0), "explicit_rdpcm_enabled_flag" ); WRITE_FLAG( (spsRangeExtension.getExtendedPrecisionProcessingFlag() ? 1 : 0), "extended_precision_processing_flag" ); WRITE_FLAG( (spsRangeExtension.getIntraSmoothingDisabledFlag() ? 1 : 0), "intra_smoothing_disabled_flag" ); WRITE_FLAG( (spsRangeExtension.getHighPrecisionOffsetsEnabledFlag() ? 1 : 0), "high_precision_offsets_enabled_flag" ); WRITE_FLAG( (spsRangeExtension.getPersistentRiceAdaptationEnabledFlag() ? 1 : 0), "persistent_rice_adaptation_enabled_flag" ); WRITE_FLAG( (spsRangeExtension.getCabacBypassAlignmentEnabledFlag() ? 1 : 0), "cabac_bypass_alignment_enabled_flag" ); break; } default: CHECK(sps_extension_flags[i]!=false, "Unknown PPS extension signalled"); // Should never get here with an active SPS extension flag. break; } } } } xWriteRbspTrailingBits(); } void HLSWriter::codeDPS( const DPS* dps ) { #if ENABLE_TRACING xTraceDPSHeader(); #endif WRITE_CODE( dps->getDecodingParameterSetId(), 4, "dps_decoding_parameter_set_id" ); WRITE_CODE( dps->getMaxSubLayersMinus1(), 3, "dps_max_sub_layers_minus1" ); WRITE_CODE( 0, 5, "dps_reserved_zero_5bits" ); uint32_t numPTLs = (uint32_t) dps->getNumPTLs(); CHECK (numPTLs<1, "At least one PTL must be available in DPS"); WRITE_CODE( numPTLs - 1, 4, "dps_num_ptls_minus1" ); for (int i=0; i< numPTLs; i++) { ProfileTierLevel ptl = dps->getProfileTierLevel(i); codeProfileTierLevel( &ptl, dps->getMaxSubLayersMinus1() ); } WRITE_FLAG( 0, "dps_extension_flag" ); xWriteRbspTrailingBits(); } void HLSWriter::codeVPS(const VPS* pcVPS) { #if ENABLE_TRACING xTraceVPSHeader(); #endif WRITE_CODE(pcVPS->getVPSId(), 4, "vps_video_parameter_set_id"); WRITE_CODE(pcVPS->getMaxLayers() - 1, 6, "vps_max_layers_minus1"); WRITE_CODE(pcVPS->getMaxSubLayers() - 1, 3, "vps_max_sublayers_minus1"); if (pcVPS->getMaxLayers() > 1 && pcVPS->getMaxSubLayers() > 1) { WRITE_FLAG(pcVPS->getAllLayersSameNumSublayersFlag(), "vps_all_layers_same_num_sublayers_flag"); } if (pcVPS->getMaxLayers() > 1) { WRITE_FLAG(pcVPS->getAllIndependentLayersFlag(), "vps_all_independent_layers_flag"); } for (uint32_t i = 0; i < pcVPS->getMaxLayers(); i++) { WRITE_CODE(pcVPS->getLayerId(i), 6, "vps_layer_id"); if (i > 0 && !pcVPS->getAllIndependentLayersFlag()) { WRITE_FLAG(pcVPS->getIndependentLayerFlag(i), "vps_independent_layer_flag"); if (!pcVPS->getIndependentLayerFlag(i)) { for (int j = 0; j < i; j++) { WRITE_FLAG(pcVPS->getDirectRefLayerFlag(i, j), "vps_direct_dependency_flag"); } } } } if( pcVPS->getMaxLayers() > 1 ) { if (pcVPS->getAllIndependentLayersFlag()) { WRITE_FLAG(pcVPS->getEachLayerIsAnOlsFlag(), "vps_each_layer_is_an_ols_flag"); } if (!pcVPS->getEachLayerIsAnOlsFlag()) { if (!pcVPS->getAllIndependentLayersFlag()) { WRITE_CODE(pcVPS->getOlsModeIdc(), 2, "vps_ols_mode_idc"); } if (pcVPS->getOlsModeIdc() == 2) { WRITE_CODE(pcVPS->getNumOutputLayerSets() - 1, 8, "vps_num_output_layer_sets_minus1"); for (uint32_t i = 1; i < pcVPS->getNumOutputLayerSets(); i++) { for (uint32_t j = 0; j < pcVPS->getMaxLayers(); j++) { WRITE_FLAG(pcVPS->getOlsOutputLayerFlag(i, j), "vps_ols_output_layer_flag"); } } } } } #if JVET_Q0814_DPB if( !pcVPS->getAllIndependentLayersFlag() ) { WRITE_UVLC( pcVPS->m_numDpbParams, "vps_num_dpb_params" ); } if( pcVPS->m_numDpbParams > 0 && pcVPS->getMaxSubLayers() > 1 ) { WRITE_FLAG( pcVPS->m_sublayerDpbParamsPresentFlag, "vps_sublayer_dpb_params_present_flag" ); } for( int i = 0; i < pcVPS->m_numDpbParams; i++ ) { if( pcVPS->getMaxSubLayers() == 1 ) { CHECK( pcVPS->m_dpbMaxTemporalId[i] != 0, "When vps_max_sublayers_minus1 is equal to 0, the value of dpb_max_temporal_id[ i ] is inferred to be equal to 0" ); } else { if( pcVPS->getAllLayersSameNumSublayersFlag() ) { CHECK( pcVPS->m_dpbMaxTemporalId[i] != pcVPS->getMaxSubLayers() - 1, "When vps_max_sublayers_minus1 is greater than 0 and vps_all_layers_same_num_sublayers_flag is equal to 1, the value of dpb_max_temporal_id[ i ] is inferred to be equal to vps_max_sublayers_minus1" ); } else { WRITE_CODE( pcVPS->m_dpbMaxTemporalId[i], 3, "dpb_max_temporal_id[i]" ); } } for( int j = ( pcVPS->m_sublayerDpbParamsPresentFlag ? 0 : pcVPS->m_dpbMaxTemporalId[i] ); j <= pcVPS->m_dpbMaxTemporalId[i]; j++ ) { WRITE_UVLC( pcVPS->m_dpbParameters[i].m_maxDecPicBuffering[j], "max_dec_pic_buffering_minus1[i]" ); WRITE_UVLC( pcVPS->m_dpbParameters[i].m_numReorderPics[j], "max_num_reorder_pics[i]" ); WRITE_UVLC( pcVPS->m_dpbParameters[i].m_maxLatencyIncreasePlus1[j], "max_latency_increase_plus1[i]" ); } } for( int i = 0; i < pcVPS->getTotalNumOLSs(); i++ ) { if( pcVPS->m_numLayersInOls[i] > 1 ) { WRITE_UVLC( pcVPS->getOlsDpbPicSize( i ).width, "ols_dpb_pic_width[i]" ); WRITE_UVLC( pcVPS->getOlsDpbPicSize( i ).height, "ols_dpb_pic_height[i]" ); if( pcVPS->m_numDpbParams > 1 ) { WRITE_UVLC( pcVPS->getOlsDpbParamsIdx( i ), "ols_dpb_params_idx[i]" ); } } } #endif WRITE_FLAG(0, "vps_extension_flag"); //future extensions here.. xWriteRbspTrailingBits(); } #if JVET_Q0775_PH_IN_SH void HLSWriter::codePictureHeader( PicHeader* picHeader, bool writeRbspTrailingBits ) #else void HLSWriter::codePictureHeader( PicHeader* picHeader ) #endif { const PPS* pps = NULL; const SPS* sps = NULL; #if ENABLE_TRACING xTracePictureHeader (); #endif CodingStructure& cs = *picHeader->getPic()->cs; #if JVET_Q0819_PH_CHANGES // Q0781, two-flags WRITE_FLAG(picHeader->getPicInterSliceAllowedFlag(), "pic_inter_slice_allowed_flag"); if (picHeader->getPicInterSliceAllowedFlag()) { WRITE_FLAG(picHeader->getPicIntraSliceAllowedFlag(), "pic_intra_slice_allowed_flag"); } #endif WRITE_FLAG(picHeader->getNonReferencePictureFlag(), "non_reference_picture_flag"); WRITE_FLAG(picHeader->getGdrPicFlag(), "gdr_pic_flag"); WRITE_FLAG(picHeader->getNoOutputOfPriorPicsFlag(), "no_output_of_prior_pics_flag"); if( picHeader->getGdrPicFlag() ) { WRITE_UVLC(picHeader->getRecoveryPocCnt(), "recovery_poc_cnt"); } else { picHeader->setRecoveryPocCnt( 0 ); } // parameter sets WRITE_UVLC(picHeader->getPPSId(), "ph_pic_parameter_set_id"); pps = cs.slice->getPPS(); CHECK(pps==0, "Invalid PPS"); sps = cs.slice->getSPS(); CHECK(sps==0, "Invalid SPS"); #if JVET_Q0819_PH_CHANGES int pocBits = cs.slice->getSPS()->getBitsForPOC(); int pocMask = (1 << pocBits) - 1; WRITE_CODE(cs.slice->getPOC() & pocMask, pocBits, "ph_pic_order_cnt_lsb"); #endif #if !JVET_Q0119_CLEANUPS // sub-picture IDs if( sps->getSubPicIdPresentFlag() ) { if( sps->getSubPicIdSignallingPresentFlag() ) { for( int picIdx = 0; picIdx < sps->getNumSubPics( ); picIdx++ ) { picHeader->setSubPicId( picIdx, sps->getSubPicId( picIdx ) ); } } else { WRITE_FLAG(picHeader->getSubPicIdSignallingPresentFlag(), "ph_subpic_id_signalling_present_flag"); if( picHeader->getSubPicIdSignallingPresentFlag() ) { WRITE_UVLC( picHeader->getSubPicIdLen() - 1, "ph_subpic_id_len_minus1" ); #if JVET_Q0169_SUBPIC_LEN_CONFORM CHECK((1 << picHeader->getSubPicIdLen()) < sps->getNumSubPics(), "ph_subpic_id_len exceeds valid range"); #endif for( int picIdx = 0; picIdx < sps->getNumSubPics( ); picIdx++ ) { WRITE_CODE(picHeader->getSubPicId(picIdx), picHeader->getSubPicIdLen( ), "ph_subpic_id[i]" ); } } else { for( int picIdx = 0; picIdx < pps->getNumSubPics( ); picIdx++ ) { picHeader->setSubPicId( picIdx, pps->getSubPicId( picIdx ) ); } } } } else { for( int picIdx = 0; picIdx < sps->getNumSubPics( ); picIdx++ ) { picHeader->setSubPicId( picIdx, picIdx ); } } #endif // virtual boundaries if( !sps->getLoopFilterAcrossVirtualBoundariesDisabledFlag() ) { WRITE_FLAG( picHeader->getLoopFilterAcrossVirtualBoundariesDisabledFlag(), "ph_loop_filter_across_virtual_boundaries_disabled_present_flag" ); if( picHeader->getLoopFilterAcrossVirtualBoundariesDisabledFlag() ) { WRITE_CODE(picHeader->getNumVerVirtualBoundaries(), 2, "ph_num_ver_virtual_boundaries"); for( unsigned i = 0; i < picHeader->getNumVerVirtualBoundaries(); i++ ) { WRITE_CODE(picHeader->getVirtualBoundariesPosX(i) >> 3, 13, "ph_virtual_boundaries_pos_x"); } WRITE_CODE(picHeader->getNumHorVirtualBoundaries(), 2, "ph_num_hor_virtual_boundaries"); for( unsigned i = 0; i < picHeader->getNumHorVirtualBoundaries(); i++ ) { WRITE_CODE(picHeader->getVirtualBoundariesPosY(i)>>3, 13, "ph_virtual_boundaries_pos_y"); } } else { picHeader->setLoopFilterAcrossVirtualBoundariesDisabledFlag( 0 ); picHeader->setNumVerVirtualBoundaries( 0 ); picHeader->setNumHorVirtualBoundaries( 0 ); } } else { picHeader->setLoopFilterAcrossVirtualBoundariesDisabledFlag( sps->getLoopFilterAcrossVirtualBoundariesDisabledFlag() ); picHeader->setNumVerVirtualBoundaries( sps->getNumVerVirtualBoundaries() ); picHeader->setNumHorVirtualBoundaries( sps->getNumHorVirtualBoundaries() ); for( unsigned i = 0; i < 3; i++ ) { picHeader->setVirtualBoundariesPosX( sps->getVirtualBoundariesPosX(i), i ); picHeader->setVirtualBoundariesPosY( sps->getVirtualBoundariesPosY(i), i ); } } #if !JVET_Q0155_COLOUR_ID // 4:4:4 colour plane ID if( sps->getSeparateColourPlaneFlag() ) { WRITE_CODE( picHeader->getColourPlaneId(), 2, "colour_plane_id" ); } else { picHeader->setColourPlaneId( 0 ); } #endif // picture output flag if( pps->getOutputFlagPresentFlag() ) { WRITE_FLAG( picHeader->getPicOutputFlag(), "pic_output_flag" ); } else { picHeader->setPicOutputFlag(true); } // reference picture lists #if JVET_Q0819_PH_CHANGES if (pps->getRplInfoInPhFlag()) #else WRITE_FLAG(picHeader->getPicRplPresentFlag(), "pic_rpl_present_flag"); if( picHeader->getPicRplPresentFlag() ) #endif { // List0 and List1 for(int listIdx = 0; listIdx < 2; listIdx++) { // copy L1 index from L0 index if (listIdx == 1 && !pps->getRpl1IdxPresentFlag()) { picHeader->setRPL1idx(picHeader->getRPL0idx()); } // RPL in picture header or SPS else if (sps->getNumRPL(listIdx) > 0) { if (!pps->getPPSRefPicListSPSIdc(listIdx)) { WRITE_FLAG(picHeader->getRPLIdx(listIdx) != -1 ? 1 : 0, "pic_rpl_sps_flag[i]"); } else if (pps->getPPSRefPicListSPSIdc( listIdx ) == 1) { picHeader->setRPLIdx( listIdx, -1); } } else { picHeader->setRPLIdx( listIdx, -1 ); } // use list from SPS if (picHeader->getRPLIdx(listIdx) != -1) { if (listIdx == 1 && !pps->getRpl1IdxPresentFlag()) { } else if (sps->getNumRPL( listIdx ) > 1) { int numBits = ceilLog2(sps->getNumRPL( listIdx )); WRITE_CODE(picHeader->getRPLIdx(listIdx), numBits, "pic_rpl_idx[i]"); } else { picHeader->setRPLIdx( listIdx, 0 ); } picHeader->setRPL( listIdx, sps->getRPLList( listIdx )->getReferencePictureList(picHeader->getRPLIdx(listIdx))); } // explicit RPL in picture header else { xCodeRefPicList( picHeader->getRPL(listIdx), sps->getLongTermRefsPresent(), sps->getBitsForPOC(), !sps->getUseWP() && !sps->getUseWPBiPred() ); } // POC MSB cycle signalling for LTRP if (picHeader->getRPL(listIdx)->getNumberOfLongtermPictures()) { for (int i = 0; i < picHeader->getRPL(listIdx)->getNumberOfLongtermPictures() + picHeader->getRPL(listIdx)->getNumberOfShorttermPictures(); i++) { if (picHeader->getRPL(listIdx)->isRefPicLongterm(i)) { if (picHeader->getRPL(listIdx)->getLtrpInSliceHeaderFlag()) { WRITE_CODE(picHeader->getRPL(listIdx)->getRefPicIdentifier(i), sps->getBitsForPOC(), "pic_poc_lsb_lt[listIdx][rplsIdx][j]"); } WRITE_FLAG(picHeader->getLocalRPL(listIdx)->getDeltaPocMSBPresentFlag(i) ? 1 : 0, "pic_delta_poc_msb_present_flag[i][j]"); if (picHeader->getLocalRPL(listIdx)->getDeltaPocMSBPresentFlag(i)) { WRITE_UVLC(picHeader->getLocalRPL(listIdx)->getDeltaPocMSBCycleLT(i), "pic_delta_poc_msb_cycle_lt[i][j]"); } } } } } } // partitioning constraint overrides if (sps->getSplitConsOverrideEnabledFlag()) { WRITE_FLAG(picHeader->getSplitConsOverrideFlag(), "partition_constraints_override_flag"); #if JVET_Q0819_PH_CHANGES } else { picHeader->setSplitConsOverrideFlag(0); } // Q0781, two-flags if (picHeader->getPicIntraSliceAllowedFlag()) { #endif if (picHeader->getSplitConsOverrideFlag()) { WRITE_UVLC(floorLog2(picHeader->getMinQTSize(I_SLICE)) - sps->getLog2MinCodingBlockSize(), "pic_log2_diff_min_qt_min_cb_intra_slice_luma"); #if !JVET_Q0819_PH_CHANGES WRITE_UVLC(floorLog2(picHeader->getMinQTSize(P_SLICE)) - sps->getLog2MinCodingBlockSize(), "pic_log2_diff_min_qt_min_cb_inter_slice"); WRITE_UVLC(picHeader->getMaxMTTHierarchyDepth(P_SLICE), "pic_max_mtt_hierarchy_depth_inter_slice"); #endif WRITE_UVLC(picHeader->getMaxMTTHierarchyDepth(I_SLICE), "pic_max_mtt_hierarchy_depth_intra_slice_luma"); if (picHeader->getMaxMTTHierarchyDepth(I_SLICE) != 0) { WRITE_UVLC(floorLog2(picHeader->getMaxBTSize(I_SLICE)) - floorLog2(picHeader->getMinQTSize(I_SLICE)), "pic_log2_diff_max_bt_min_qt_intra_slice_luma"); WRITE_UVLC(floorLog2(picHeader->getMaxTTSize(I_SLICE)) - floorLog2(picHeader->getMinQTSize(I_SLICE)), "pic_log2_diff_max_tt_min_qt_intra_slice_luma"); } #if !JVET_Q0819_PH_CHANGES if (picHeader->getMaxMTTHierarchyDepth(P_SLICE) != 0) { WRITE_UVLC(floorLog2(picHeader->getMaxBTSize(P_SLICE)) - floorLog2(picHeader->getMinQTSize(P_SLICE)), "pic_log2_diff_max_bt_min_qt_inter_slice"); WRITE_UVLC(floorLog2(picHeader->getMaxTTSize(P_SLICE)) - floorLog2(picHeader->getMinQTSize(P_SLICE)), "pic_log2_diff_max_tt_min_qt_inter_slice"); } #endif if (sps->getUseDualITree()) { #if JVET_Q0468_Q0469_MIN_LUMA_CB_AND_MIN_QT_FIX // Since in software minQT[2] is in chroma samples, min CB size in luma samples is first converted into chroma samples for the calculation const int minDiff = (int)floorLog2(picHeader->getMinQTSize(I_SLICE, CHANNEL_TYPE_CHROMA)) - std::max(MIN_CU_LOG2, sps->getLog2MinCodingBlockSize() - (int)getChannelTypeScaleX(CHANNEL_TYPE_CHROMA, sps->getChromaFormatIdc())); CHECK(minDiff < 0, "Wrong min intra QT chroma"); WRITE_UVLC(minDiff, "pic_log2_diff_min_qt_min_cb_intra_slice_chroma"); #else WRITE_UVLC(floorLog2(picHeader->getMinQTSize(I_SLICE, CHANNEL_TYPE_CHROMA)) - sps->getLog2MinCodingBlockSize(), "pic_log2_diff_min_qt_min_cb_intra_slice_chroma"); #endif WRITE_UVLC(picHeader->getMaxMTTHierarchyDepth(I_SLICE, CHANNEL_TYPE_CHROMA), "pic_max_mtt_hierarchy_depth_intra_slice_chroma"); if (picHeader->getMaxMTTHierarchyDepth(I_SLICE, CHANNEL_TYPE_CHROMA) != 0) { WRITE_UVLC(floorLog2(picHeader->getMaxBTSize(I_SLICE, CHANNEL_TYPE_CHROMA)) - floorLog2(picHeader->getMinQTSize(I_SLICE, CHANNEL_TYPE_CHROMA)), "pic_log2_diff_max_bt_min_qt_intra_slice_chroma"); WRITE_UVLC(floorLog2(picHeader->getMaxTTSize(I_SLICE, CHANNEL_TYPE_CHROMA)) - floorLog2(picHeader->getMinQTSize(I_SLICE, CHANNEL_TYPE_CHROMA)), "pic_log2_diff_max_tt_min_qt_intra_slice_chroma"); } } } } #if !JVET_Q0819_PH_CHANGES else { picHeader->setSplitConsOverrideFlag(0); } // inherit constraint values from SPS if (!sps->getSplitConsOverrideEnabledFlag() || !picHeader->getSplitConsOverrideFlag()) { picHeader->setMinQTSizes(sps->getMinQTSizes()); picHeader->setMaxMTTHierarchyDepths(sps->getMaxMTTHierarchyDepths()); picHeader->setMaxBTSizes(sps->getMaxBTSizes()); picHeader->setMaxTTSizes(sps->getMaxTTSizes()); } #endif #if JVET_Q0819_PH_CHANGES if (picHeader->getPicIntraSliceAllowedFlag()) { #endif // delta quantization and chrom and chroma offset if (pps->getUseDQP()) { WRITE_UVLC( picHeader->getCuQpDeltaSubdivIntra(), "pic_cu_qp_delta_subdiv_intra_slice" ); #if !JVET_Q0819_PH_CHANGES WRITE_UVLC( picHeader->getCuQpDeltaSubdivInter(), "pic_cu_qp_delta_subdiv_inter_slice" ); #endif } else { picHeader->setCuQpDeltaSubdivIntra( 0 ); #if !JVET_Q0819_PH_CHANGES picHeader->setCuQpDeltaSubdivInter( 0 ); #endif } if (pps->getCuChromaQpOffsetEnabledFlag()) { WRITE_UVLC( picHeader->getCuChromaQpOffsetSubdivIntra(), "pic_cu_chroma_qp_offset_subdiv_intra_slice" ); #if !JVET_Q0819_PH_CHANGES WRITE_UVLC( picHeader->getCuChromaQpOffsetSubdivInter(), "pic_cu_chroma_qp_offset_subdiv_inter_slice" ); #endif } else { picHeader->setCuChromaQpOffsetSubdivIntra( 0 ); #if !JVET_Q0819_PH_CHANGES picHeader->setCuChromaQpOffsetSubdivInter( 0 ); #endif } #if JVET_Q0819_PH_CHANGES } if (picHeader->getPicInterSliceAllowedFlag()) { if (picHeader->getSplitConsOverrideFlag()) { WRITE_UVLC(floorLog2(picHeader->getMinQTSize(P_SLICE)) - sps->getLog2MinCodingBlockSize(), "pic_log2_diff_min_qt_min_cb_inter_slice"); WRITE_UVLC(picHeader->getMaxMTTHierarchyDepth(P_SLICE), "pic_max_mtt_hierarchy_depth_inter_slice"); if (picHeader->getMaxMTTHierarchyDepth(P_SLICE) != 0) { WRITE_UVLC(floorLog2(picHeader->getMaxBTSize(P_SLICE)) - floorLog2(picHeader->getMinQTSize(P_SLICE)), "pic_log2_diff_max_bt_min_qt_inter_slice"); WRITE_UVLC(floorLog2(picHeader->getMaxTTSize(P_SLICE)) - floorLog2(picHeader->getMinQTSize(P_SLICE)), "pic_log2_diff_max_tt_min_qt_inter_slice"); } } // delta quantization and chrom and chroma offset if (pps->getUseDQP()) { WRITE_UVLC(picHeader->getCuQpDeltaSubdivInter(), "pic_cu_qp_delta_subdiv_inter_slice"); } else { picHeader->setCuQpDeltaSubdivInter(0); } if (pps->getCuChromaQpOffsetEnabledFlag()) { WRITE_UVLC(picHeader->getCuChromaQpOffsetSubdivInter(), "pic_cu_chroma_qp_offset_subdiv_inter_slice"); } else { picHeader->setCuChromaQpOffsetSubdivInter(0); } #endif // temporal motion vector prediction if (sps->getSPSTemporalMVPEnabledFlag()) { WRITE_FLAG( picHeader->getEnableTMVPFlag(), "pic_temporal_mvp_enabled_flag" ); } else { picHeader->setEnableTMVPFlag(false); } // mvd L1 zero flag if (!pps->getPPSMvdL1ZeroIdc()) { WRITE_FLAG(picHeader->getMvdL1ZeroFlag(), "pic_mvd_l1_zero_flag"); } else { picHeader->setMvdL1ZeroFlag( pps->getPPSMvdL1ZeroIdc() - 1 ); } // merge candidate list size if (!pps->getPPSSixMinusMaxNumMergeCandPlus1()) { CHECK(picHeader->getMaxNumMergeCand() > MRG_MAX_NUM_CANDS, "More merge candidates signalled than supported"); WRITE_UVLC(MRG_MAX_NUM_CANDS - picHeader->getMaxNumMergeCand(), "pic_six_minus_max_num_merge_cand"); } else { picHeader->setMaxNumMergeCand(MRG_MAX_NUM_CANDS - (pps->getPPSSixMinusMaxNumMergeCandPlus1() - 1)); } // subblock merge candidate list size if ( sps->getUseAffine() ) { CHECK( picHeader->getMaxNumAffineMergeCand() > AFFINE_MRG_MAX_NUM_CANDS, "More affine merge candidates signalled than supported" ); WRITE_UVLC(AFFINE_MRG_MAX_NUM_CANDS - picHeader->getMaxNumAffineMergeCand(), "pic_five_minus_max_num_subblock_merge_cand"); } else { picHeader->setMaxNumAffineMergeCand( sps->getSBTMVPEnabledFlag() && picHeader->getEnableTMVPFlag() ); } // full-pel MMVD flag if (sps->getFpelMmvdEnabledFlag()) { WRITE_FLAG( picHeader->getDisFracMMVD(), "pic_fpel_mmvd_enabled_flag" ); } else { picHeader->setDisFracMMVD(false); } // picture level BDOF disable flags if (sps->getBdofControlPresentFlag()) { WRITE_FLAG(picHeader->getDisBdofFlag(), "pic_disable_bdof_flag"); } else { picHeader->setDisBdofFlag(0); } // picture level DMVR disable flags if (sps->getDmvrControlPresentFlag()) { WRITE_FLAG(picHeader->getDisDmvrFlag(), "pic_disable_dmvr_flag"); } else { picHeader->setDisDmvrFlag(0); } // picture level PROF disable flags if (sps->getProfControlPresentFlag()) { WRITE_FLAG(picHeader->getDisProfFlag(), "pic_disable_prof_flag"); } else { picHeader->setDisProfFlag(0); } #if !JVET_Q0806 // triangle merge candidate list size if (sps->getUseTriangle() && picHeader->getMaxNumMergeCand() >= 2) { if (!pps->getPPSMaxNumMergeCandMinusMaxNumTriangleCandPlus1()) { CHECK(picHeader->getMaxNumMergeCand() < picHeader->getMaxNumTriangleCand(), "Incorrrect max number of triangle candidates!"); WRITE_UVLC(picHeader->getMaxNumMergeCand() - picHeader->getMaxNumTriangleCand(), "pic_max_num_merge_cand_minus_max_num_triangle_cand"); } else { picHeader->setMaxNumTriangleCand((uint32_t)(picHeader->getMaxNumMergeCand() - (pps->getPPSMaxNumMergeCandMinusMaxNumTriangleCandPlus1() - 1))); } } #else // geometric merge candidate list size if (sps->getUseGeo() && picHeader->getMaxNumMergeCand() >= 2) { if (!pps->getPPSMaxNumMergeCandMinusMaxNumGeoCandPlus1()) { CHECK(picHeader->getMaxNumMergeCand() < picHeader->getMaxNumGeoCand(), "Incorrrect max number of gpm candidates!"); WRITE_UVLC(picHeader->getMaxNumMergeCand() - picHeader->getMaxNumGeoCand(), "pic_max_num_merge_cand_minus_max_num_gpm_cand"); } else { picHeader->setMaxNumGeoCand((uint32_t)(picHeader->getMaxNumMergeCand() - (pps->getPPSMaxNumMergeCandMinusMaxNumGeoCandPlus1() - 1))); } } #endif #if JVET_Q0819_PH_CHANGES } // inherit constraint values from SPS if (!sps->getSplitConsOverrideEnabledFlag() || !picHeader->getSplitConsOverrideFlag()) { picHeader->setMinQTSizes(sps->getMinQTSizes()); picHeader->setMaxMTTHierarchyDepths(sps->getMaxMTTHierarchyDepths()); picHeader->setMaxBTSizes(sps->getMaxBTSizes()); picHeader->setMaxTTSizes(sps->getMaxTTSizes()); } #endif // ibc merge candidate list size if (sps->getIBCFlag()) { CHECK( picHeader->getMaxNumIBCMergeCand() > IBC_MRG_MAX_NUM_CANDS, "More IBC merge candidates signalled than supported" ); WRITE_UVLC(IBC_MRG_MAX_NUM_CANDS - picHeader->getMaxNumIBCMergeCand(), "pic_six_minus_max_num_ibc_merge_cand"); } #if JVET_Q0819_PH_CHANGES if ((pps->getUseWP() || pps->getWPBiPred()) && pps->getWpInfoInPhFlag()) { xCodePredWeightTable(picHeader, sps); } #endif #if JVET_Q0819_PH_CHANGES if (pps->getQpDeltaInfoInPhFlag()) { WRITE_SVLC(picHeader->getQpDelta(), "ph_qp_delta"); } #endif // joint Cb/Cr sign flag if (sps->getJointCbCrEnabledFlag()) { WRITE_FLAG( picHeader->getJointCbCrSignFlag(), "pic_joint_cbcr_sign_flag" ); } else { picHeader->setJointCbCrSignFlag(false); } // sao enable flags if(sps->getSAOEnabledFlag()) { #if JVET_Q0819_PH_CHANGES if (pps->getSaoInfoInPhFlag()) #else WRITE_FLAG(picHeader->getSaoEnabledPresentFlag(), "pic_sao_enabled_present_flag"); if (picHeader->getSaoEnabledPresentFlag()) #endif { #if JVET_Q0819_PH_CHANGES WRITE_FLAG(picHeader->getSaoEnabledFlag(CHANNEL_TYPE_LUMA), "ph_sao_luma_enabled_flag"); #else WRITE_FLAG(picHeader->getSaoEnabledFlag(CHANNEL_TYPE_LUMA), "slice_sao_luma_flag"); #endif if (sps->getChromaFormatIdc() != CHROMA_400) { #if JVET_Q0819_PH_CHANGES WRITE_FLAG(picHeader->getSaoEnabledFlag(CHANNEL_TYPE_CHROMA), "ph_sao_chroma_enabled_flag"); #else WRITE_FLAG(picHeader->getSaoEnabledFlag(CHANNEL_TYPE_CHROMA), "slice_sao_chroma_flag"); #endif } } else { picHeader->setSaoEnabledFlag(CHANNEL_TYPE_LUMA, true); picHeader->setSaoEnabledFlag(CHANNEL_TYPE_CHROMA, true); } } else { picHeader->setSaoEnabledFlag(CHANNEL_TYPE_LUMA, false); picHeader->setSaoEnabledFlag(CHANNEL_TYPE_CHROMA, false); } // alf enable flags and aps IDs if( sps->getALFEnabledFlag() ) { #if JVET_Q0819_PH_CHANGES if (pps->getAlfInfoInPhFlag()) #else WRITE_FLAG(picHeader->getAlfEnabledPresentFlag(), "pic_alf_enabled_present_flag"); if (picHeader->getAlfEnabledPresentFlag()) #endif { WRITE_FLAG(picHeader->getAlfEnabledFlag(COMPONENT_Y), "pic_alf_enabled_flag"); if (picHeader->getAlfEnabledFlag(COMPONENT_Y)) { WRITE_CODE(picHeader->getNumAlfAps(), 3, "pic_num_alf_aps_ids_luma"); const std::vector<int>& apsId = picHeader->getAlfAPSs(); for (int i = 0; i < picHeader->getNumAlfAps(); i++) { WRITE_CODE(apsId[i], 3, "pic_alf_aps_id_luma"); } const int alfChromaIdc = picHeader->getAlfEnabledFlag(COMPONENT_Cb) + picHeader->getAlfEnabledFlag(COMPONENT_Cr) * 2 ; if (sps->getChromaFormatIdc() != CHROMA_400) { WRITE_CODE(alfChromaIdc, 2, "pic_alf_chroma_idc"); } if (alfChromaIdc) { WRITE_CODE(picHeader->getAlfApsIdChroma(), 3, "pic_alf_aps_id_chroma"); } #if JVET_Q0795_CCALF if (sps->getCCALFEnabledFlag()) { WRITE_FLAG(picHeader->getCcAlfEnabledFlag(COMPONENT_Cb), "ph_cc_alf_cb_enabled_flag"); if (picHeader->getCcAlfEnabledFlag(COMPONENT_Cb)) { WRITE_CODE(picHeader->getCcAlfCbApsId(), 3, "ph_cc_alf_cb_aps_id"); } WRITE_FLAG(picHeader->getCcAlfEnabledFlag(COMPONENT_Cr), "ph_cc_alf_cr_enabled_flag"); if (picHeader->getCcAlfEnabledFlag(COMPONENT_Cr)) { WRITE_CODE(picHeader->getCcAlfCrApsId(), 3, "ph_cc_alf_cr_aps_id"); } } #endif } } else { picHeader->setAlfEnabledFlag(COMPONENT_Y, true); picHeader->setAlfEnabledFlag(COMPONENT_Cb, true); picHeader->setAlfEnabledFlag(COMPONENT_Cr, true); #if JVET_Q0795_CCALF picHeader->setCcAlfEnabledFlag(COMPONENT_Cb, sps->getCCALFEnabledFlag()); picHeader->setCcAlfEnabledFlag(COMPONENT_Cr, sps->getCCALFEnabledFlag()); #endif } } else { picHeader->setAlfEnabledFlag(COMPONENT_Y, false); picHeader->setAlfEnabledFlag(COMPONENT_Cb, false); picHeader->setAlfEnabledFlag(COMPONENT_Cr, false); #if JVET_Q0795_CCALF picHeader->setCcAlfEnabledFlag(COMPONENT_Cb, false); picHeader->setCcAlfEnabledFlag(COMPONENT_Cr, false); #endif } // dependent quantization if (!pps->getPPSDepQuantEnabledIdc()) { WRITE_FLAG(picHeader->getDepQuantEnabledFlag(), "pic_dep_quant_enabled_flag"); } else { picHeader->setDepQuantEnabledFlag( pps->getPPSDepQuantEnabledIdc() - 1 ); } // sign data hiding if( !picHeader->getDepQuantEnabledFlag() ) { WRITE_FLAG( picHeader->getSignDataHidingEnabledFlag(), "pic_sign_data_hiding_enabled_flag" ); } else { picHeader->setSignDataHidingEnabledFlag(false); } // deblocking filter controls if (pps->getDeblockingFilterControlPresentFlag()) { if(pps->getDeblockingFilterOverrideEnabledFlag()) { #if JVET_Q0819_PH_CHANGES if (pps->getDbfInfoInPhFlag()) #else WRITE_FLAG(picHeader->getDeblockingFilterOverridePresentFlag(), "pic_deblocking_filter_override_present_flag"); if( picHeader->getDeblockingFilterOverridePresentFlag() ) #endif { WRITE_FLAG ( picHeader->getDeblockingFilterOverrideFlag(), "pic_deblocking_filter_override_flag" ); } else { picHeader->setDeblockingFilterOverrideFlag(false); } } else { #if !JVET_Q0819_PH_CHANGES picHeader->setDeblockingFilterOverridePresentFlag(false); #endif picHeader->setDeblockingFilterOverrideFlag(false); } if(picHeader->getDeblockingFilterOverrideFlag()) { #if JVET_Q0121_DEBLOCKING_CONTROL_PARAMETERS WRITE_FLAG( picHeader->getDeblockingFilterDisable(), "ph_deblocking_filter_disabled_flag" ); if( !picHeader->getDeblockingFilterDisable() ) { WRITE_SVLC( picHeader->getDeblockingFilterBetaOffsetDiv2(), "ph_beta_offset_div2" ); WRITE_SVLC( picHeader->getDeblockingFilterTcOffsetDiv2(), "ph_tc_offset_div2" ); WRITE_SVLC( picHeader->getDeblockingFilterBetaOffsetDiv2(), "ph_cb_beta_offset_div2" ); WRITE_SVLC( picHeader->getDeblockingFilterTcOffsetDiv2(), "ph_cb_tc_offset_div2" ); WRITE_SVLC( picHeader->getDeblockingFilterBetaOffsetDiv2(), "ph_cr_beta_offset_div2" ); WRITE_SVLC( picHeader->getDeblockingFilterTcOffsetDiv2(), "ph_cr_tc_offset_div2" ); } #else WRITE_FLAG ( picHeader->getDeblockingFilterDisable(), "pic_deblocking_filter_disabled_flag" ); if(!picHeader->getDeblockingFilterDisable()) { WRITE_SVLC( picHeader->getDeblockingFilterBetaOffsetDiv2(), "pic_beta_offset_div2" ); WRITE_SVLC( picHeader->getDeblockingFilterTcOffsetDiv2(), "pic_tc_offset_div2" ); } #endif } else { picHeader->setDeblockingFilterDisable ( pps->getPPSDeblockingFilterDisabledFlag() ); picHeader->setDeblockingFilterBetaOffsetDiv2( pps->getDeblockingFilterBetaOffsetDiv2() ); picHeader->setDeblockingFilterTcOffsetDiv2 ( pps->getDeblockingFilterTcOffsetDiv2() ); #if JVET_Q0121_DEBLOCKING_CONTROL_PARAMETERS picHeader->setDeblockingFilterCbBetaOffsetDiv2( pps->getDeblockingFilterCbBetaOffsetDiv2() ); picHeader->setDeblockingFilterCbTcOffsetDiv2 ( pps->getDeblockingFilterCbTcOffsetDiv2() ); picHeader->setDeblockingFilterCrBetaOffsetDiv2( pps->getDeblockingFilterCrBetaOffsetDiv2() ); picHeader->setDeblockingFilterCrTcOffsetDiv2 ( pps->getDeblockingFilterCrTcOffsetDiv2() ); #endif } } else { picHeader->setDeblockingFilterDisable ( false ); picHeader->setDeblockingFilterBetaOffsetDiv2( 0 ); picHeader->setDeblockingFilterTcOffsetDiv2 ( 0 ); #if JVET_Q0121_DEBLOCKING_CONTROL_PARAMETERS picHeader->setDeblockingFilterCbBetaOffsetDiv2( 0 ); picHeader->setDeblockingFilterCbTcOffsetDiv2 ( 0 ); picHeader->setDeblockingFilterCrBetaOffsetDiv2( 0 ); picHeader->setDeblockingFilterCrTcOffsetDiv2 ( 0 ); #endif } // luma mapping / chroma scaling controls if (sps->getUseLmcs()) { WRITE_FLAG(picHeader->getLmcsEnabledFlag(), "pic_lmcs_enabled_flag"); if (picHeader->getLmcsEnabledFlag()) { WRITE_CODE(picHeader->getLmcsAPSId(), 2, "pic_lmcs_aps_id"); if (sps->getChromaFormatIdc() != CHROMA_400) { WRITE_FLAG(picHeader->getLmcsChromaResidualScaleFlag(), "pic_chroma_residual_scale_flag"); } else { picHeader->setLmcsChromaResidualScaleFlag(false); } } } else { picHeader->setLmcsEnabledFlag(false); picHeader->setLmcsChromaResidualScaleFlag(false); } // quantization scaling lists if( sps->getScalingListFlag() ) { WRITE_FLAG( picHeader->getScalingListPresentFlag(), "pic_scaling_list_present_flag" ); if( picHeader->getScalingListPresentFlag() ) { WRITE_CODE( picHeader->getScalingListAPSId(), 3, "pic_scaling_list_aps_id" ); } } else { picHeader->setScalingListPresentFlag( false ); } // picture header extension if(pps->getPictureHeaderExtensionPresentFlag()) { WRITE_UVLC(0,"pic_segment_header_extension_length"); } #if JVET_Q0775_PH_IN_SH if ( writeRbspTrailingBits ) { xWriteRbspTrailingBits(); } #else xWriteRbspTrailingBits(); #endif } void HLSWriter::codeSliceHeader ( Slice* pcSlice ) { #if ENABLE_TRACING xTraceSliceHeader (); #endif CodingStructure& cs = *pcSlice->getPic()->cs; #if JVET_Q0775_PH_IN_SH PicHeader *picHeader = cs.picHeader; #else const PicHeader *picHeader = cs.picHeader; #endif const ChromaFormat format = pcSlice->getSPS()->getChromaFormatIdc(); const uint32_t numberValidComponents = getNumberValidComponents(format); const bool chromaEnabled = isChromaEnabled(format); #if JVET_Q0775_PH_IN_SH WRITE_FLAG(pcSlice->getPictureHeaderInSliceHeader() ? 1 : 0, "picture_header_in_slice_header_flag"); if (pcSlice->getPictureHeaderInSliceHeader()) { codePictureHeader(picHeader, false); } #endif #if !JVET_Q0819_PH_CHANGES int pocBits = pcSlice->getSPS()->getBitsForPOC(); int pocMask = (1 << pocBits) - 1; WRITE_CODE(pcSlice->getPOC() & pocMask, pocBits, "slice_pic_order_cnt_lsb"); #endif #if JVET_Q0119_CLEANUPS if (pcSlice->getSPS()->getSubPicInfoPresentFlag()) #else if (pcSlice->getSPS()->getSubPicPresentFlag()) #endif { uint32_t bitsSubPicId; #if JVET_Q0119_CLEANUPS if (pcSlice->getSPS()->getSubPicIdMappingExplicitlySignalledFlag()) #else if (pcSlice->getSPS()->getSubPicIdSignallingPresentFlag()) #endif { bitsSubPicId = pcSlice->getSPS()->getSubPicIdLen(); } #if !JVET_Q0119_CLEANUPS else if (picHeader->getSubPicIdSignallingPresentFlag()) { bitsSubPicId = picHeader->getSubPicIdLen(); } #endif #if JVET_Q0119_CLEANUPS else if (pcSlice->getPPS()->getSubPicIdMappingInPpsFlag()) #else else if (pcSlice->getPPS()->getSubPicIdSignallingPresentFlag()) #endif { bitsSubPicId = pcSlice->getPPS()->getSubPicIdLen(); } else { bitsSubPicId = ceilLog2(pcSlice->getSPS()->getNumSubPics()); } WRITE_CODE(pcSlice->getSliceSubPicId(), bitsSubPicId, "slice_subpic_id"); } // raster scan slices if( pcSlice->getPPS()->getRectSliceFlag() == 0 ) { // slice address is the raster scan tile index of first tile in slice if( pcSlice->getPPS()->getNumTiles() > 1 ) { int bitsSliceAddress = ceilLog2(pcSlice->getPPS()->getNumTiles()); WRITE_CODE( pcSlice->getSliceID(), bitsSliceAddress, "slice_address"); WRITE_UVLC( pcSlice->getNumTilesInSlice() - 1, "num_tiles_in_slice_minus1"); } } // rectangular slices else { // slice address is the index of the slice within the current sub-picture if( pcSlice->getPPS()->getNumSlicesInPic() > 1 ) { int bitsSliceAddress = ceilLog2(pcSlice->getPPS()->getNumSlicesInPic()); // change to NumSlicesInSubPic when available WRITE_CODE( pcSlice->getSliceID(), bitsSliceAddress, "slice_address"); } } #if JVET_Q0819_PH_CHANGES if (picHeader->getPicInterSliceAllowedFlag()) { #endif WRITE_UVLC(pcSlice->getSliceType(), "slice_type"); #if JVET_Q0819_PH_CHANGES } if (!picHeader->getPicIntraSliceAllowedFlag()) { CHECK(pcSlice->getSliceType() == I_SLICE, "when pic_intra_slice_allowed_flag = 0, no I_Slice is allowed"); } #endif #if JVET_Q0155_COLOUR_ID // 4:4:4 colour plane ID if( pcSlice->getSPS()->getSeparateColourPlaneFlag() ) { WRITE_CODE( pcSlice->getColourPlaneId(), 2, "colour_plane_id" ); } #endif #if JVET_Q0819_PH_CHANGES if( !pcSlice->getPPS()->getRplInfoInPhFlag() && (!pcSlice->getIdrPicFlag() || pcSlice->getSPS()->getIDRRefParamListPresent())) #else if( !picHeader->getPicRplPresentFlag() && (!pcSlice->getIdrPicFlag() || pcSlice->getSPS()->getIDRRefParamListPresent()) ) #endif { //Write L0 related syntax elements if (pcSlice->getSPS()->getNumRPL0() > 0) { if (!pcSlice->getPPS()->getPPSRefPicListSPSIdc0()) { WRITE_FLAG(pcSlice->getRPL0idx() != -1 ? 1 : 0, "ref_pic_list_sps_flag[0]"); } } if (pcSlice->getRPL0idx() != -1) { if (pcSlice->getSPS()->getNumRPL0() > 1) { int numBits = 0; while ((1 << numBits) < pcSlice->getSPS()->getNumRPL0()) { numBits++; } WRITE_CODE(pcSlice->getRPL0idx(), numBits, "ref_pic_list_idx[0]"); } } else { //write local RPL0 xCodeRefPicList( pcSlice->getRPL0(), pcSlice->getSPS()->getLongTermRefsPresent(), pcSlice->getSPS()->getBitsForPOC(), !pcSlice->getSPS()->getUseWP() && !pcSlice->getSPS()->getUseWPBiPred() ); } //Deal POC Msb cycle signalling for LTRP if (pcSlice->getRPL0()->getNumberOfLongtermPictures()) { for (int i = 0; i < pcSlice->getRPL0()->getNumberOfLongtermPictures() + pcSlice->getRPL0()->getNumberOfShorttermPictures(); i++) { if (pcSlice->getRPL0()->isRefPicLongterm(i)) { if (pcSlice->getRPL0()->getLtrpInSliceHeaderFlag()) { WRITE_CODE(pcSlice->getRPL0()->getRefPicIdentifier(i), pcSlice->getSPS()->getBitsForPOC(), "slice_poc_lsb_lt[listIdx][rplsIdx][j]"); } WRITE_FLAG(pcSlice->getLocalRPL0()->getDeltaPocMSBPresentFlag(i) ? 1 : 0, "delta_poc_msb_present_flag[i][j]"); if (pcSlice->getLocalRPL0()->getDeltaPocMSBPresentFlag(i)) { WRITE_UVLC(pcSlice->getLocalRPL0()->getDeltaPocMSBCycleLT(i), "delta_poc_msb_cycle_lt[i][j]"); } } } } //Write L1 related syntax elements if (!pcSlice->getPPS()->getRpl1IdxPresentFlag()) { CHECK(pcSlice->getRPL1idx() != pcSlice->getRPL0idx(), "RPL1Idx is not signalled but it is not the same as RPL0Idx"); if (pcSlice->getRPL1idx() == -1) { //write local RPL1 xCodeRefPicList( pcSlice->getRPL1(), pcSlice->getSPS()->getLongTermRefsPresent(), pcSlice->getSPS()->getBitsForPOC(), !pcSlice->getSPS()->getUseWP() && !pcSlice->getSPS()->getUseWPBiPred() ); } } else { if (pcSlice->getSPS()->getNumRPL1() > 0) { if (!pcSlice->getPPS()->getPPSRefPicListSPSIdc1()) { WRITE_FLAG(pcSlice->getRPL1idx() != -1 ? 1 : 0, "ref_pic_list_sps_flag[1]"); } } if (pcSlice->getRPL1idx() != -1) { if (pcSlice->getSPS()->getNumRPL1() > 1) { int numBits = 0; while ((1 << numBits) < pcSlice->getSPS()->getNumRPL1()) { numBits++; } WRITE_CODE(pcSlice->getRPL1idx(), numBits, "ref_pic_list_idx[1]"); } } else { //write local RPL1 xCodeRefPicList( pcSlice->getRPL1(), pcSlice->getSPS()->getLongTermRefsPresent(), pcSlice->getSPS()->getBitsForPOC(), !pcSlice->getSPS()->getUseWP() && !pcSlice->getSPS()->getUseWPBiPred() ); } } //Deal POC Msb cycle signalling for LTRP if (pcSlice->getRPL1()->getNumberOfLongtermPictures()) { for (int i = 0; i < pcSlice->getRPL1()->getNumberOfLongtermPictures() + pcSlice->getRPL1()->getNumberOfShorttermPictures(); i++) { if (pcSlice->getRPL1()->isRefPicLongterm(i)) { if (pcSlice->getRPL1()->getLtrpInSliceHeaderFlag()) { WRITE_CODE(pcSlice->getRPL1()->getRefPicIdentifier(i), pcSlice->getSPS()->getBitsForPOC(), "slice_poc_lsb_lt[listIdx][rplsIdx][j]"); } WRITE_FLAG(pcSlice->getLocalRPL1()->getDeltaPocMSBPresentFlag(i) ? 1 : 0, "delta_poc_msb_present_flag[i][j]"); if (pcSlice->getLocalRPL1()->getDeltaPocMSBPresentFlag(i)) { WRITE_UVLC(pcSlice->getLocalRPL1()->getDeltaPocMSBCycleLT(i), "delta_poc_msb_cycle_lt[i][j]"); } } } } } #if JVET_Q0819_PH_CHANGES if( pcSlice->getPPS()->getRplInfoInPhFlag() || !pcSlice->getIdrPicFlag()|| pcSlice->getSPS()->getIDRRefParamListPresent() ) #else if( picHeader->getPicRplPresentFlag() || !pcSlice->getIdrPicFlag() || pcSlice->getSPS()->getIDRRefParamListPresent() ) #endif { //check if numrefidxes match the defaults. If not, override if ((!pcSlice->isIntra() && pcSlice->getRPL0()->getNumRefEntries() > 1) || (pcSlice->isInterB() && pcSlice->getRPL1()->getNumRefEntries() > 1) ) { int defaultL0 = std::min<int>(pcSlice->getRPL0()->getNumRefEntries(), pcSlice->getPPS()->getNumRefIdxL0DefaultActive()); int defaultL1 = pcSlice->isInterB() ? std::min<int>(pcSlice->getRPL1()->getNumRefEntries(), pcSlice->getPPS()->getNumRefIdxL1DefaultActive()) : 0; bool overrideFlag = ( pcSlice->getNumRefIdx( REF_PIC_LIST_0 ) != defaultL0 || ( pcSlice->isInterB() && pcSlice->getNumRefIdx( REF_PIC_LIST_1 ) != defaultL1 ) ); WRITE_FLAG( overrideFlag ? 1 : 0, "num_ref_idx_active_override_flag" ); if( overrideFlag ) { if(pcSlice->getRPL0()->getNumRefEntries() > 1) { WRITE_UVLC( pcSlice->getNumRefIdx( REF_PIC_LIST_0 ) - 1, "num_ref_idx_l0_active_minus1" ); } else { pcSlice->setNumRefIdx( REF_PIC_LIST_0, 1); } if( pcSlice->isInterB() && pcSlice->getRPL1()->getNumRefEntries() > 1) { WRITE_UVLC( pcSlice->getNumRefIdx( REF_PIC_LIST_1 ) - 1, "num_ref_idx_l1_active_minus1" ); } else { pcSlice->setNumRefIdx( REF_PIC_LIST_1, pcSlice->isInterB() ? 1 : 0); } } else { pcSlice->setNumRefIdx( REF_PIC_LIST_0, defaultL0 ); pcSlice->setNumRefIdx( REF_PIC_LIST_1, defaultL1 ); } } else { pcSlice->setNumRefIdx( REF_PIC_LIST_0, pcSlice->isIntra() ? 0 : 1 ); pcSlice->setNumRefIdx( REF_PIC_LIST_1, pcSlice->isInterB() ? 1 : 0 ); } } if( !pcSlice->isIntra() ) { if( !pcSlice->isIntra() && pcSlice->getPPS()->getCabacInitPresentFlag() ) { SliceType sliceType = pcSlice->getSliceType(); SliceType encCABACTableIdx = pcSlice->getEncCABACTableIdx(); bool encCabacInitFlag = ( sliceType != encCABACTableIdx && encCABACTableIdx != I_SLICE ) ? true : false; pcSlice->setCabacInitFlag( encCabacInitFlag ); WRITE_FLAG( encCabacInitFlag ? 1 : 0, "cabac_init_flag" ); } } if( pcSlice->getPicHeader()->getEnableTMVPFlag() ) { if( pcSlice->getSliceType() == B_SLICE ) { if (!pcSlice->getPPS()->getPPSCollocatedFromL0Idc()) { WRITE_FLAG( pcSlice->getColFromL0Flag(), "collocated_from_l0_flag" ); } } if( pcSlice->getSliceType() != I_SLICE && ( ( pcSlice->getColFromL0Flag() == 1 && pcSlice->getNumRefIdx( REF_PIC_LIST_0 ) > 1 ) || ( pcSlice->getColFromL0Flag() == 0 && pcSlice->getNumRefIdx( REF_PIC_LIST_1 ) > 1 ) ) ) { WRITE_UVLC( pcSlice->getColRefIdx(), "collocated_ref_idx" ); } } if( ( pcSlice->getPPS()->getUseWP() && pcSlice->getSliceType() == P_SLICE ) || ( pcSlice->getPPS()->getWPBiPred() && pcSlice->getSliceType() == B_SLICE ) ) { #if JVET_Q0819_PH_CHANGES if( !pcSlice->getPPS()->getWpInfoInPhFlag() ) { xCodePredWeightTable(pcSlice); } #else xCodePredWeightTable(pcSlice); #endif } #if JVET_Q0819_PH_CHANGES if (!pcSlice->getPPS()->getQpDeltaInfoInPhFlag()) { WRITE_SVLC(pcSlice->getSliceQp() - (pcSlice->getPPS()->getPicInitQPMinus26() + 26), "slice_qp_delta"); } #else int iCode = pcSlice->getSliceQp() - (pcSlice->getPPS()->getPicInitQPMinus26() + 26); WRITE_SVLC( iCode, "slice_qp_delta" ); #endif if (pcSlice->getPPS()->getSliceChromaQpFlag()) { if (numberValidComponents > COMPONENT_Cb) { WRITE_SVLC( pcSlice->getSliceChromaQpDelta(COMPONENT_Cb), "slice_cb_qp_offset" ); } if (numberValidComponents > COMPONENT_Cr) { WRITE_SVLC( pcSlice->getSliceChromaQpDelta(COMPONENT_Cr), "slice_cr_qp_offset" ); if (pcSlice->getSPS()->getJointCbCrEnabledFlag()) { WRITE_SVLC( pcSlice->getSliceChromaQpDelta(JOINT_CbCr), "slice_joint_cbcr_qp_offset"); } } CHECK(numberValidComponents < COMPONENT_Cr+1, "Too many valid components"); } if (pcSlice->getPPS()->getCuChromaQpOffsetEnabledFlag()) { WRITE_FLAG(pcSlice->getUseChromaQpAdj(), "cu_chroma_qp_offset_enabled_flag"); } #if JVET_Q0819_PH_CHANGES if (pcSlice->getSPS()->getSAOEnabledFlag() && !pcSlice->getPPS()->getSaoInfoInPhFlag()) #else if (pcSlice->getSPS()->getSAOEnabledFlag() && !picHeader->getSaoEnabledPresentFlag()) #endif { WRITE_FLAG( pcSlice->getSaoEnabledFlag( CHANNEL_TYPE_LUMA ), "slice_sao_luma_flag" ); if( chromaEnabled ) { WRITE_FLAG( pcSlice->getSaoEnabledFlag( CHANNEL_TYPE_CHROMA ), "slice_sao_chroma_flag" ); } } #if JVET_Q0819_PH_CHANGES if (pcSlice->getSPS()->getALFEnabledFlag() && !pcSlice->getPPS()->getAlfInfoInPhFlag()) #else if (pcSlice->getSPS()->getALFEnabledFlag() && !picHeader->getAlfEnabledPresentFlag()) #endif { const int alfEnabled = pcSlice->getTileGroupAlfEnabledFlag(COMPONENT_Y); WRITE_FLAG(alfEnabled, "slice_alf_enabled_flag"); if (alfEnabled) { WRITE_CODE(pcSlice->getTileGroupNumAps(), 3, "slice_num_alf_aps_ids_luma"); const std::vector<int>& apsId = pcSlice->getTileGroupApsIdLuma(); for (int i = 0; i < pcSlice->getTileGroupNumAps(); i++) { WRITE_CODE(apsId[i], 3, "slice_alf_aps_id_luma"); } const int alfChromaIdc = pcSlice->getTileGroupAlfEnabledFlag(COMPONENT_Cb) + pcSlice->getTileGroupAlfEnabledFlag(COMPONENT_Cr) * 2 ; if (chromaEnabled) { WRITE_CODE(alfChromaIdc, 2, "slice_alf_chroma_idc"); } if (alfChromaIdc) { WRITE_CODE(pcSlice->getTileGroupApsIdChroma(), 3, "slice_alf_aps_id_chroma"); } #if JVET_Q0795_CCALF if (pcSlice->getSPS()->getCCALFEnabledFlag()) { CcAlfFilterParam &filterParam = pcSlice->m_ccAlfFilterParam; WRITE_FLAG(filterParam.ccAlfFilterEnabled[COMPONENT_Cb - 1] ? 1 : 0, "slice_cc_alf_cb_enabled_flag"); if (filterParam.ccAlfFilterEnabled[COMPONENT_Cb - 1]) { // write CC ALF Cb APS ID WRITE_CODE(pcSlice->getTileGroupCcAlfCbApsId(), 3, "slice_cc_alf_cb_aps_id"); } // Cr WRITE_FLAG(filterParam.ccAlfFilterEnabled[COMPONENT_Cr - 1] ? 1 : 0, "slice_cc_alf_cr_enabled_flag"); if (filterParam.ccAlfFilterEnabled[COMPONENT_Cr - 1]) { // write CC ALF Cr APS ID WRITE_CODE(pcSlice->getTileGroupCcAlfCrApsId(), 3, "slice_cc_alf_cr_aps_id"); } } #endif } } if (pcSlice->getPPS()->getDeblockingFilterControlPresentFlag()) { #if JVET_Q0819_PH_CHANGES if( pcSlice->getPPS()->getDeblockingFilterOverrideEnabledFlag() && !pcSlice->getPPS()->getDbfInfoInPhFlag() ) { WRITE_FLAG(pcSlice->getDeblockingFilterOverrideFlag(), "slice_deblocking_filter_override_flag"); #else if (pcSlice->getPPS()->getDeblockingFilterOverrideEnabledFlag() && !picHeader->getDeblockingFilterOverridePresentFlag()) { WRITE_FLAG(pcSlice->getDeblockingFilterOverrideFlag(), "deblocking_filter_override_flag"); #endif } else { pcSlice->setDeblockingFilterOverrideFlag(0); } if (pcSlice->getDeblockingFilterOverrideFlag()) { WRITE_FLAG(pcSlice->getDeblockingFilterDisable(), "slice_deblocking_filter_disabled_flag"); if(!pcSlice->getDeblockingFilterDisable()) { WRITE_SVLC (pcSlice->getDeblockingFilterBetaOffsetDiv2(), "slice_beta_offset_div2"); WRITE_SVLC (pcSlice->getDeblockingFilterTcOffsetDiv2(), "slice_tc_offset_div2"); #if JVET_Q0121_DEBLOCKING_CONTROL_PARAMETERS WRITE_SVLC (pcSlice->getDeblockingFilterCbBetaOffsetDiv2(), "slice_cb_beta_offset_div2"); WRITE_SVLC (pcSlice->getDeblockingFilterCbTcOffsetDiv2(), "slice_cb_tc_offset_div2"); WRITE_SVLC (pcSlice->getDeblockingFilterCrBetaOffsetDiv2(), "slice_cr_beta_offset_div2"); WRITE_SVLC (pcSlice->getDeblockingFilterCrTcOffsetDiv2(), "slice_cr_tc_offset_div2"); #endif } } else { pcSlice->setDeblockingFilterDisable ( picHeader->getDeblockingFilterDisable() ); pcSlice->setDeblockingFilterBetaOffsetDiv2( picHeader->getDeblockingFilterBetaOffsetDiv2() ); pcSlice->setDeblockingFilterTcOffsetDiv2 ( picHeader->getDeblockingFilterTcOffsetDiv2() ); #if JVET_Q0121_DEBLOCKING_CONTROL_PARAMETERS pcSlice->setDeblockingFilterCbBetaOffsetDiv2( picHeader->getDeblockingFilterCbBetaOffsetDiv2() ); pcSlice->setDeblockingFilterCbTcOffsetDiv2 ( picHeader->getDeblockingFilterCbTcOffsetDiv2() ); pcSlice->setDeblockingFilterCrBetaOffsetDiv2( picHeader->getDeblockingFilterCrBetaOffsetDiv2() ); pcSlice->setDeblockingFilterCrTcOffsetDiv2 ( picHeader->getDeblockingFilterCrTcOffsetDiv2() ); #endif } } else { pcSlice->setDeblockingFilterDisable ( false ); pcSlice->setDeblockingFilterBetaOffsetDiv2( 0 ); pcSlice->setDeblockingFilterTcOffsetDiv2 ( 0 ); #if JVET_Q0121_DEBLOCKING_CONTROL_PARAMETERS pcSlice->setDeblockingFilterCbBetaOffsetDiv2( 0 ); pcSlice->setDeblockingFilterCbTcOffsetDiv2 ( 0 ); pcSlice->setDeblockingFilterCrBetaOffsetDiv2( 0 ); pcSlice->setDeblockingFilterCrTcOffsetDiv2 ( 0 ); #endif } #if JVET_Q0089_SLICE_LOSSLESS_CODING_CHROMA_BDPCM WRITE_FLAG(pcSlice->getTSResidualCodingDisabledFlag() ? 1 : 0, "slice_ts_residual_coding_disabled_flag"); #endif if(pcSlice->getPPS()->getSliceHeaderExtensionPresentFlag()) { WRITE_UVLC(0,"slice_segment_header_extension_length"); } } void HLSWriter::codeConstraintInfo ( const ConstraintInfo* cinfo ) { WRITE_FLAG(cinfo->getProgressiveSourceFlag(), "general_progressive_source_flag" ); WRITE_FLAG(cinfo->getInterlacedSourceFlag(), "general_interlaced_source_flag" ); WRITE_FLAG(cinfo->getNonPackedConstraintFlag(), "general_non_packed_constraint_flag" ); WRITE_FLAG(cinfo->getFrameOnlyConstraintFlag(), "general_frame_only_constraint_flag" ); #if JVET_Q0114_CONSTRAINT_FLAGS WRITE_FLAG(cinfo->getNonProjectedConstraintFlag(), "general_non_projected_constraint_flag"); #endif WRITE_FLAG(cinfo->getIntraOnlyConstraintFlag(), "intra_only_constraint_flag" ); WRITE_CODE(cinfo->getMaxBitDepthConstraintIdc(), 4, "max_bitdepth_constraint_idc" ); WRITE_CODE(cinfo->getMaxChromaFormatConstraintIdc(), 2, "max_chroma_format_constraint_idc" ); #if JVET_Q0114_CONSTRAINT_FLAGS WRITE_FLAG(cinfo->getNoResChangeInClvsConstraintFlag(), "no_res_change_in_clvs_constraint_flag"); WRITE_FLAG(cinfo->getOneTilePerPicConstraintFlag(), "one_tile_per_pic_constraint_flag"); WRITE_FLAG(cinfo->getOneSlicePerPicConstraintFlag(), "one_slice_per_pic_constraint_flag"); WRITE_FLAG(cinfo->getOneSubpicPerPicConstraintFlag(), "one_subpic_per_pic_constraint_flag"); #endif WRITE_FLAG(cinfo->getNoQtbttDualTreeIntraConstraintFlag() ? 1 : 0, "no_qtbtt_dual_tree_intra_constraint_flag"); WRITE_FLAG(cinfo->getNoPartitionConstraintsOverrideConstraintFlag() ? 1 : 0, "no_partition_constraints_override_constraint_flag"); WRITE_FLAG(cinfo->getNoSaoConstraintFlag() ? 1 : 0, "no_sao_constraint_flag"); WRITE_FLAG(cinfo->getNoAlfConstraintFlag() ? 1 : 0, "no_alf_constraint_flag"); #if JVET_Q0795_CCALF WRITE_FLAG(cinfo->getNoCCAlfConstraintFlag() ? 1 : 0, "no_ccalf_constraint_flag"); #endif WRITE_FLAG(cinfo->getNoJointCbCrConstraintFlag() ? 1 : 0, "no_joint_cbcr_constraint_flag"); WRITE_FLAG(cinfo->getNoRefWraparoundConstraintFlag() ? 1 : 0, "no_ref_wraparound_constraint_flag"); WRITE_FLAG(cinfo->getNoTemporalMvpConstraintFlag() ? 1 : 0, "no_temporal_mvp_constraint_flag"); WRITE_FLAG(cinfo->getNoSbtmvpConstraintFlag() ? 1 : 0, "no_sbtmvp_constraint_flag"); WRITE_FLAG(cinfo->getNoAmvrConstraintFlag() ? 1 : 0, "no_amvr_constraint_flag"); WRITE_FLAG(cinfo->getNoBdofConstraintFlag() ? 1 : 0, "no_bdof_constraint_flag"); WRITE_FLAG(cinfo->getNoDmvrConstraintFlag() ? 1 : 0, "no_dmvr_constraint_flag"); WRITE_FLAG(cinfo->getNoCclmConstraintFlag() ? 1 : 0, "no_cclm_constraint_flag"); WRITE_FLAG(cinfo->getNoMtsConstraintFlag() ? 1 : 0, "no_mts_constraint_flag"); WRITE_FLAG(cinfo->getNoSbtConstraintFlag() ? 1 : 0, "no_sbt_constraint_flag"); WRITE_FLAG(cinfo->getNoAffineMotionConstraintFlag() ? 1 : 0, "no_affine_motion_constraint_flag"); WRITE_FLAG(cinfo->getNoBcwConstraintFlag() ? 1 : 0, "no_bcw_constraint_flag"); WRITE_FLAG(cinfo->getNoIbcConstraintFlag() ? 1 : 0, "no_ibc_constraint_flag"); WRITE_FLAG(cinfo->getNoCiipConstraintFlag() ? 1 : 0, "no_ciip_constraint_flag"); WRITE_FLAG(cinfo->getNoFPelMmvdConstraintFlag() ? 1 : 0, "no_fpel_mmvd_constraint_flag"); #if !JVET_Q0806 WRITE_FLAG(cinfo->getNoTriangleConstraintFlag() ? 1 : 0, "no_triangle_constraint_flag"); #else WRITE_FLAG(cinfo->getNoGeoConstraintFlag() ? 1 : 0, "no_gpm_constraint_flag"); #endif WRITE_FLAG(cinfo->getNoLadfConstraintFlag() ? 1 : 0, "no_ladf_constraint_flag"); WRITE_FLAG(cinfo->getNoTransformSkipConstraintFlag() ? 1 : 0, "no_transform_skip_constraint_flag"); WRITE_FLAG(cinfo->getNoBDPCMConstraintFlag() ? 1 : 0, "no_bdpcm_constraint_flag"); WRITE_FLAG(cinfo->getNoQpDeltaConstraintFlag() ? 1 : 0, "no_qp_delta_constraint_flag"); WRITE_FLAG(cinfo->getNoDepQuantConstraintFlag() ? 1 : 0, "no_dep_quant_constraint_flag"); WRITE_FLAG(cinfo->getNoSignDataHidingConstraintFlag() ? 1 : 0, "no_sign_data_hiding_constraint_flag"); WRITE_FLAG(cinfo->getNoTrailConstraintFlag() ? 1 : 0, "no_trail_constraint_flag"); WRITE_FLAG(cinfo->getNoStsaConstraintFlag() ? 1 : 0, "no_stsa_constraint_flag"); WRITE_FLAG(cinfo->getNoRaslConstraintFlag() ? 1 : 0, "no_rasl_constraint_flag"); WRITE_FLAG(cinfo->getNoRadlConstraintFlag() ? 1 : 0, "no_radl_constraint_flag"); WRITE_FLAG(cinfo->getNoIdrConstraintFlag() ? 1 : 0, "no_idr_constraint_flag"); WRITE_FLAG(cinfo->getNoCraConstraintFlag() ? 1 : 0, "no_cra_constraint_flag"); WRITE_FLAG(cinfo->getNoGdrConstraintFlag() ? 1 : 0, "no_gdr_constraint_flag"); WRITE_FLAG(cinfo->getNoApsConstraintFlag() ? 1 : 0, "no_aps_constraint_flag"); } void HLSWriter::codeProfileTierLevel ( const ProfileTierLevel* ptl, int maxNumSubLayersMinus1 ) { WRITE_CODE( int(ptl->getProfileIdc()), 7 , "general_profile_idc" ); WRITE_FLAG( ptl->getTierFlag()==Level::HIGH, "general_tier_flag" ); codeConstraintInfo( ptl->getConstraintInfo() ); WRITE_CODE( int( ptl->getLevelIdc() ), 8, "general_level_idc" ); WRITE_CODE(ptl->getNumSubProfile(), 8, "num_sub_profiles"); for (int i = 0; i < ptl->getNumSubProfile(); i++) { WRITE_CODE(ptl->getSubProfileIdc(i) , 32, "general_sub_profile_idc[i]"); } for (int i = 0; i < maxNumSubLayersMinus1; i++) { WRITE_FLAG( ptl->getSubLayerLevelPresentFlag(i), "sub_layer_level_present_flag[i]" ); } while (!isByteAligned()) { WRITE_FLAG(0, "ptl_alignment_zero_bit"); } for(int i = 0; i < maxNumSubLayersMinus1; i++) { if( ptl->getSubLayerLevelPresentFlag(i) ) { WRITE_CODE( int(ptl->getSubLayerLevelIdc(i)), 8, "sub_layer_level_idc[i]" ); } } } /** * Write tiles and wavefront substreams sizes for the slice header (entry points). * * \param pSlice Slice structure that contains the substream size information. */ void HLSWriter::codeTilesWPPEntryPoint( Slice* pSlice ) { pSlice->setNumEntryPoints( pSlice->getPPS() ); if( pSlice->getNumEntryPoints() == 0 ) { return; } uint32_t maxOffset = 0; for(int idx=0; idx<pSlice->getNumberOfSubstreamSizes(); idx++) { uint32_t offset=pSlice->getSubstreamSize(idx); if ( offset > maxOffset ) { maxOffset = offset; } } // Determine number of bits "offsetLenMinus1+1" required for entry point information uint32_t offsetLenMinus1 = 0; while (maxOffset >= (1u << (offsetLenMinus1 + 1))) { offsetLenMinus1++; CHECK(offsetLenMinus1 + 1 >= 32, "Invalid offset length minus 1"); } if (pSlice->getNumberOfSubstreamSizes()>0) { WRITE_UVLC(offsetLenMinus1, "offset_len_minus1"); for (uint32_t idx=0; idx<pSlice->getNumberOfSubstreamSizes(); idx++) { WRITE_CODE(pSlice->getSubstreamSize(idx)-1, offsetLenMinus1+1, "entry_point_offset_minus1"); } } } // ==================================================================================================================== // Protected member functions // ==================================================================================================================== //! Code weighted prediction tables void HLSWriter::xCodePredWeightTable( Slice* pcSlice ) { WPScalingParam *wp; const ChromaFormat format = pcSlice->getSPS()->getChromaFormatIdc(); const uint32_t numberValidComponents = getNumberValidComponents(format); const bool bChroma = isChromaEnabled(format); const int iNbRef = (pcSlice->getSliceType() == B_SLICE ) ? (2) : (1); bool bDenomCoded = false; uint32_t uiTotalSignalledWeightFlags = 0; if ( (pcSlice->getSliceType()==P_SLICE && pcSlice->getPPS()->getUseWP()) || (pcSlice->getSliceType()==B_SLICE && pcSlice->getPPS()->getWPBiPred()) ) { for ( int iNumRef=0 ; iNumRef<iNbRef ; iNumRef++ ) // loop over l0 and l1 syntax elements { RefPicList eRefPicList = ( iNumRef ? REF_PIC_LIST_1 : REF_PIC_LIST_0 ); // NOTE: wp[].uiLog2WeightDenom and wp[].bPresentFlag are actually per-channel-type settings. for ( int iRefIdx=0 ; iRefIdx<pcSlice->getNumRefIdx(eRefPicList) ; iRefIdx++ ) { pcSlice->getWpScaling(eRefPicList, iRefIdx, wp); if ( !bDenomCoded ) { int iDeltaDenom; WRITE_UVLC( wp[COMPONENT_Y].uiLog2WeightDenom, "luma_log2_weight_denom" ); if( bChroma ) { CHECK( wp[COMPONENT_Cb].uiLog2WeightDenom != wp[COMPONENT_Cr].uiLog2WeightDenom, "Chroma blocks of different size not supported" ); iDeltaDenom = (wp[COMPONENT_Cb].uiLog2WeightDenom - wp[COMPONENT_Y].uiLog2WeightDenom); WRITE_SVLC( iDeltaDenom, "delta_chroma_log2_weight_denom" ); } bDenomCoded = true; } WRITE_FLAG( wp[COMPONENT_Y].bPresentFlag, iNumRef==0?"luma_weight_l0_flag[i]":"luma_weight_l1_flag[i]" ); uiTotalSignalledWeightFlags += wp[COMPONENT_Y].bPresentFlag; } if (bChroma) { for ( int iRefIdx=0 ; iRefIdx<pcSlice->getNumRefIdx(eRefPicList) ; iRefIdx++ ) { pcSlice->getWpScaling( eRefPicList, iRefIdx, wp ); CHECK( wp[COMPONENT_Cb].bPresentFlag != wp[COMPONENT_Cr].bPresentFlag, "Inconsistent settings for chroma channels" ); WRITE_FLAG( wp[COMPONENT_Cb].bPresentFlag, iNumRef==0?"chroma_weight_l0_flag[i]":"chroma_weight_l1_flag[i]" ); uiTotalSignalledWeightFlags += 2*wp[COMPONENT_Cb].bPresentFlag; } } for ( int iRefIdx=0 ; iRefIdx<pcSlice->getNumRefIdx(eRefPicList) ; iRefIdx++ ) { pcSlice->getWpScaling(eRefPicList, iRefIdx, wp); if ( wp[COMPONENT_Y].bPresentFlag ) { int iDeltaWeight = (wp[COMPONENT_Y].iWeight - (1<<wp[COMPONENT_Y].uiLog2WeightDenom)); WRITE_SVLC( iDeltaWeight, iNumRef==0?"delta_luma_weight_l0[i]":"delta_luma_weight_l1[i]" ); WRITE_SVLC( wp[COMPONENT_Y].iOffset, iNumRef==0?"luma_offset_l0[i]":"luma_offset_l1[i]" ); } if ( bChroma ) { if ( wp[COMPONENT_Cb].bPresentFlag ) { for ( int j = COMPONENT_Cb ; j < numberValidComponents ; j++ ) { CHECK(wp[COMPONENT_Cb].uiLog2WeightDenom != wp[COMPONENT_Cr].uiLog2WeightDenom, "Chroma blocks of different size not supported"); int iDeltaWeight = (wp[j].iWeight - (1<<wp[COMPONENT_Cb].uiLog2WeightDenom)); WRITE_SVLC( iDeltaWeight, iNumRef==0?"delta_chroma_weight_l0[i]":"delta_chroma_weight_l1[i]" ); int range=pcSlice->getSPS()->getSpsRangeExtension().getHighPrecisionOffsetsEnabledFlag() ? (1<<pcSlice->getSPS()->getBitDepth(CHANNEL_TYPE_CHROMA))/2 : 128; int pred = ( range - ( ( range*wp[j].iWeight)>>(wp[j].uiLog2WeightDenom) ) ); int iDeltaChroma = (wp[j].iOffset - pred); WRITE_SVLC( iDeltaChroma, iNumRef==0?"delta_chroma_offset_l0[i]":"delta_chroma_offset_l1[i]" ); } } } } } CHECK(uiTotalSignalledWeightFlags>24, "Too many signalled weight flags"); } } #if JVET_Q0819_PH_CHANGES void HLSWriter::xCodePredWeightTable(PicHeader *picHeader, const SPS *sps) { WPScalingParam * wp; const ChromaFormat format = sps->getChromaFormatIdc(); const uint32_t numberValidComponents = getNumberValidComponents(format); const bool chroma = isChromaEnabled(format); bool denomCoded = false; uint32_t totalSignalledWeightFlags = 0; uint32_t numLxWeights = picHeader->getNumL0Weights(); bool moreSyntaxToBeParsed = true; for (int numRef = 0; numRef < NUM_REF_PIC_LIST_01 && moreSyntaxToBeParsed; numRef++) // loop over l0 and l1 syntax elements { RefPicList refPicList = (numRef ? REF_PIC_LIST_1 : REF_PIC_LIST_0); // NOTE: wp[].uiLog2WeightDenom and wp[].bPresentFlag are actually per-channel-type settings. for (int refIdx = 0; refIdx < numLxWeights; refIdx++) { picHeader->getWpScaling(refPicList, refIdx, wp); if (!denomCoded) { int deltaDenom; WRITE_UVLC(wp[COMPONENT_Y].uiLog2WeightDenom, "luma_log2_weight_denom"); if (chroma) { CHECK(wp[COMPONENT_Cb].uiLog2WeightDenom != wp[COMPONENT_Cr].uiLog2WeightDenom, "Chroma blocks of different size not supported"); deltaDenom = (wp[COMPONENT_Cb].uiLog2WeightDenom - wp[COMPONENT_Y].uiLog2WeightDenom); WRITE_SVLC(deltaDenom, "delta_chroma_log2_weight_denom"); } denomCoded = true; } WRITE_FLAG(wp[COMPONENT_Y].bPresentFlag, numRef == 0 ? "luma_weight_l0_flag[i]" : "luma_weight_l1_flag[i]"); totalSignalledWeightFlags += wp[COMPONENT_Y].bPresentFlag; } if (chroma) { for (int refIdx = 0; refIdx < numLxWeights; refIdx++) { picHeader->getWpScaling(refPicList, refIdx, wp); CHECK(wp[COMPONENT_Cb].bPresentFlag != wp[COMPONENT_Cr].bPresentFlag, "Inconsistent settings for chroma channels"); WRITE_FLAG(wp[COMPONENT_Cb].bPresentFlag, numRef == 0 ? "chroma_weight_l0_flag[i]" : "chroma_weight_l1_flag[i]"); totalSignalledWeightFlags += 2 * wp[COMPONENT_Cb].bPresentFlag; } } for (int refIdx = 0; refIdx < numLxWeights; refIdx++) { picHeader->getWpScaling(refPicList, refIdx, wp); if (wp[COMPONENT_Y].bPresentFlag) { int deltaWeight = (wp[COMPONENT_Y].iWeight - (1 << wp[COMPONENT_Y].uiLog2WeightDenom)); WRITE_SVLC(deltaWeight, numRef == 0 ? "delta_luma_weight_l0[i]" : "delta_luma_weight_l1[i]"); WRITE_SVLC(wp[COMPONENT_Y].iOffset, numRef == 0 ? "luma_offset_l0[i]" : "luma_offset_l1[i]"); } if (chroma) { if (wp[COMPONENT_Cb].bPresentFlag) { for (int j = COMPONENT_Cb; j < numberValidComponents; j++) { CHECK(wp[COMPONENT_Cb].uiLog2WeightDenom != wp[COMPONENT_Cr].uiLog2WeightDenom, "Chroma blocks of different size not supported"); int deltaWeight = (wp[j].iWeight - (1 << wp[COMPONENT_Cb].uiLog2WeightDenom)); WRITE_SVLC(deltaWeight, numRef == 0 ? "delta_chroma_weight_l0[i]" : "delta_chroma_weight_l1[i]"); int range = sps->getSpsRangeExtension().getHighPrecisionOffsetsEnabledFlag() ? (1 << sps->getBitDepth(CHANNEL_TYPE_CHROMA)) / 2 : 128; int pred = (range - ((range * wp[j].iWeight) >> (wp[j].uiLog2WeightDenom))); int deltaChroma = (wp[j].iOffset - pred); WRITE_SVLC(deltaChroma, numRef == 0 ? "delta_chroma_offset_l0[i]" : "delta_chroma_offset_l1[i]"); } } } } if (numRef == 0) { numLxWeights = picHeader->getNumL1Weights(); moreSyntaxToBeParsed = (numLxWeights == 0) ? false : true; } } CHECK(totalSignalledWeightFlags > 24, "Too many signalled weight flags"); } #endif /** code quantization matrix * \param scalingList quantization matrix information */ void HLSWriter::codeScalingList( const ScalingList &scalingList ) { //for each size WRITE_FLAG(scalingList.getDisableScalingMatrixForLfnstBlks(), "scaling_matrix_for_lfnst_disabled_flag"); for (uint32_t scalingListId = 0; scalingListId < 28; scalingListId++) { bool scalingListCopyModeFlag = scalingList.getScalingListCopyModeFlag(scalingListId); WRITE_FLAG(scalingListCopyModeFlag, "scaling_list_copy_mode_flag"); //copy mode if (!scalingListCopyModeFlag)// Copy Mode { WRITE_FLAG(scalingList.getScalingListPreditorModeFlag(scalingListId), "scaling_list_predictor_mode_flag"); } if ((scalingListCopyModeFlag || scalingList.getScalingListPreditorModeFlag(scalingListId)) && scalingListId!= SCALING_LIST_1D_START_2x2 && scalingListId != SCALING_LIST_1D_START_4x4 && scalingListId != SCALING_LIST_1D_START_8x8) { WRITE_UVLC((int)scalingListId - (int)scalingList.getRefMatrixId(scalingListId), "scaling_list_pred_matrix_id_delta"); } if (!scalingListCopyModeFlag) { //DPCM xCodeScalingList(&scalingList, scalingListId, scalingList.getScalingListPreditorModeFlag(scalingListId)); } } return; } /** code DPCM * \param scalingList quantization matrix information * \param sizeId size index * \param listId list index */ void HLSWriter::xCodeScalingList(const ScalingList* scalingList, uint32_t scalingListId, bool isPredictor) { int matrixSize = (scalingListId < SCALING_LIST_1D_START_4x4) ? 2 : ((scalingListId < SCALING_LIST_1D_START_8x8) ? 4 : 8); int coefNum = matrixSize * matrixSize; ScanElement *scan = g_scanOrder[SCAN_UNGROUPED][SCAN_DIAG][gp_sizeIdxInfo->idxFrom(matrixSize)][gp_sizeIdxInfo->idxFrom(matrixSize)]; int nextCoef = (isPredictor) ? 0 : SCALING_LIST_START_VALUE; int data; const int *src = scalingList->getScalingListAddress(scalingListId); int PredListId = scalingList->getRefMatrixId(scalingListId); const int *srcPred = (isPredictor) ? ((scalingListId==PredListId) ? scalingList->getScalingListDefaultAddress(scalingListId) : scalingList->getScalingListAddress(PredListId)) : NULL; int deltasrc[65] = { 0 }; if (isPredictor) { if (scalingListId >= SCALING_LIST_1D_START_16x16) { deltasrc[64] = scalingList->getScalingListDC(scalingListId) - ((PredListId >= SCALING_LIST_1D_START_16x16) ? ((scalingListId == PredListId) ? 16 : scalingList->getScalingListDC(PredListId)) : srcPred[scan[0].idx]); } for (int i = 0; i < coefNum; i++) { deltasrc[i] = (src[scan[i].idx] - srcPred[scan[i].idx]); } } if (scalingListId >= SCALING_LIST_1D_START_16x16) { if (isPredictor) { data = deltasrc[64]; nextCoef = deltasrc[64]; } else { data = scalingList->getScalingListDC(scalingListId) - nextCoef; nextCoef = scalingList->getScalingListDC(scalingListId); } data = ((data + 128) & 255) - 128; WRITE_SVLC((int8_t)data, "scaling_list_dc_coef"); } for(int i=0;i<coefNum;i++) { if (scalingListId >= SCALING_LIST_1D_START_64x64 && scan[i].x >= 4 && scan[i].y >= 4) continue; data = (isPredictor) ? (deltasrc[i] - nextCoef) : (src[scan[i].idx] - nextCoef); nextCoef = (isPredictor) ? deltasrc[i] : src[scan[i].idx]; data = ((data + 128) & 255) - 128; WRITE_SVLC((int8_t)data, "scaling_list_delta_coef"); } } bool HLSWriter::xFindMatchingLTRP(Slice* pcSlice, uint32_t *ltrpsIndex, int ltrpPOC, bool usedFlag) { // bool state = true, state2 = false; int lsb = ltrpPOC & ((1<<pcSlice->getSPS()->getBitsForPOC())-1); for (int k = 0; k < pcSlice->getSPS()->getNumLongTermRefPicSPS(); k++) { if ( (lsb == pcSlice->getSPS()->getLtRefPicPocLsbSps(k)) && (usedFlag == pcSlice->getSPS()->getUsedByCurrPicLtSPSFlag(k)) ) { *ltrpsIndex = k; return true; } } return false; } void HLSWriter::alfGolombEncode( int coeff, int k, const bool signed_coeff ) { unsigned int symbol = abs( coeff ); while ( symbol >= (unsigned int)( 1 << k ) ) { symbol -= 1 << k; k++; WRITE_FLAG( 0, "alf_coeff_abs_prefix" ); } WRITE_FLAG( 1, "alf_coeff_abs_prefix" ); if ( k > 0 ) { WRITE_CODE( symbol, k, "alf_coeff_abs_suffix" ); } if ( signed_coeff && coeff != 0 ) { WRITE_FLAG( (coeff < 0) ? 1 : 0, "alf_coeff_sign" ); } } void HLSWriter::alfFilter( const AlfParam& alfParam, const bool isChroma, const int altIdx ) { AlfFilterShape alfShape(isChroma ? 5 : 7); const short* coeff = isChroma ? alfParam.chromaCoeff[altIdx] : alfParam.lumaCoeff; const short* clipp = isChroma ? alfParam.chromaClipp[altIdx] : alfParam.lumaClipp; const int numFilters = isChroma ? 1 : alfParam.numLumaFilters; // vlc for all // Filter coefficients for( int ind = 0; ind < numFilters; ++ind ) { for( int i = 0; i < alfShape.numCoeff - 1; i++ ) { alfGolombEncode( coeff[ind* MAX_NUM_ALF_LUMA_COEFF + i], 3 ); // alf_coeff_chroma[i], alf_coeff_luma_delta[i][j] } } // Clipping values coding #if JVET_Q0249_ALF_CHROMA_CLIPFLAG if( alfParam.nonLinearFlag[isChroma] ) #else if( alfParam.nonLinearFlag[isChroma][altIdx] ) #endif { for (int ind = 0; ind < numFilters; ++ind) { for (int i = 0; i < alfShape.numCoeff - 1; i++) { WRITE_CODE(clipp[ind* MAX_NUM_ALF_LUMA_COEFF + i], 2, "alf_clipping_index"); } } } } //! \}