/* 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) 2010-2022, 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" #include "CommonLib/ProfileLevelTier.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 ); } } #ifdef JVET_AA0054_SPECIFY_NN_POST_FILTER_DATA void VLCWriter::xWriteStringTr(std::string value, const char* pSymbolName) { xWriteString(value); if (g_HLSTraceEnable) { DTRACE(g_trace_ctx, D_HEADER, "%-50s st(v) : %s\n", pSymbolName, value); } } #endif 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 length) { CHECK(length == 0, "Code of length '0' not supported"); m_pcBitIf->write(uiCode, length); } void VLCWriter::xWriteUvlc ( uint32_t uiCode ) { uint32_t length = 1; uint32_t temp = ++uiCode; CHECK(!temp, "Integer overflow"); while (1 != temp) { temp >>= 1; length += 2; } // Take care of cases where length > 32 m_pcBitIf->write(0, length >> 1); m_pcBitIf->write(uiCode, (length + 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 ); } #ifdef JVET_AA0054_SPECIFY_NN_POST_FILTER_DATA void VLCWriter::xWriteString(std::string code) { for (int i = 0; i < code.length(); ++i) { m_pcBitIf->write(code[i], 8); } m_pcBitIf->write('\0', 8); } #endif 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 bool audIrapOrGdrAuFlag, const int pictureType) { #if ENABLE_TRACING xTraceAccessUnitDelimiter(); #endif CHECK(pictureType >= 3, "Invalid picture type"); setBitstream(&bs); WRITE_FLAG(audIrapOrGdrAuFlag, "aud_irap_or_gdr_au_flag"); WRITE_CODE(pictureType, 3, "pic_type"); xWriteRbspTrailingBits(); } void FDWriter::codeFD(OutputBitstream& bs, uint32_t &fdSize) { #if ENABLE_TRACING xTraceFillerData(); #endif setBitstream(&bs); uint32_t ffByte = 0xff; while( fdSize ) { WRITE_CODE (ffByte, 8, "ff_byte"); fdSize--; } xWriteRbspTrailingBits(); } void HLSWriter::xCodeRefPicList( const ReferencePictureList* rpl, bool isLongTermPresent, uint32_t ltLsbBitsCount, const bool isForbiddenZeroDeltaPoc, int rplIdx) { uint32_t numRefPic = rpl->getNumberOfShorttermPictures() + rpl->getNumberOfLongtermPictures() + rpl->getNumberOfInterLayerPictures(); WRITE_UVLC( numRefPic, "num_ref_entries[ listIdx ][ rplsIdx ]" ); if (isLongTermPresent && numRefPic > 0 && rplIdx != -1) { 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 || ii == 0) { CHECK(!absDeltaValue, "Zero delta POC is not used without WP or is the 0-th entry"); 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 ? 1 : 0, "strp_entry_sign_flag[ listIdx ][ rplsIdx ][ i ]"); } } else if (!rpl->getLtrpInSliceHeaderFlag()) { WRITE_CODE(rpl->getRefPicIdentifier(ii), ltLsbBitsCount, "poc_lsb_lt[listIdx][rplsIdx][i]"); } } } } void HLSWriter::codePPS( const PPS* pcPPS ) { #if ENABLE_TRACING xTracePPSHeader (); #endif WRITE_CODE( pcPPS->getPPSId(), 6, "pps_pic_parameter_set_id" ); WRITE_CODE( pcPPS->getSPSId(), 4, "pps_seq_parameter_set_id" ); WRITE_FLAG( pcPPS->getMixedNaluTypesInPicFlag() ? 1 : 0, "pps_mixed_nalu_types_in_pic_flag" ); WRITE_UVLC( pcPPS->getPicWidthInLumaSamples(), "pps_pic_width_in_luma_samples" ); WRITE_UVLC( pcPPS->getPicHeightInLumaSamples(), "pps_pic_height_in_luma_samples" ); Window conf = pcPPS->getConformanceWindow(); WRITE_FLAG(pcPPS->getConformanceWindowFlag(), "pps_conformance_window_flag"); if (pcPPS->getConformanceWindowFlag()) { WRITE_UVLC(conf.getWindowLeftOffset(), "pps_conf_win_left_offset"); WRITE_UVLC(conf.getWindowRightOffset(), "pps_conf_win_right_offset"); WRITE_UVLC(conf.getWindowTopOffset(), "pps_conf_win_top_offset"); WRITE_UVLC(conf.getWindowBottomOffset(), "pps_conf_win_bottom_offset"); } Window scalingWindow = pcPPS->getScalingWindow(); WRITE_FLAG( pcPPS->getExplicitScalingWindowFlag(), "pps_scaling_window_explicit_signalling_flag"); if ( pcPPS->getExplicitScalingWindowFlag() ) { WRITE_SVLC( scalingWindow.getWindowLeftOffset(), "pps_scaling_win_left_offset" ); WRITE_SVLC( scalingWindow.getWindowRightOffset(), "pps_scaling_win_right_offset" ); WRITE_SVLC( scalingWindow.getWindowTopOffset(), "pps_scaling_win_top_offset" ); WRITE_SVLC( scalingWindow.getWindowBottomOffset(), "pps_scaling_win_bottom_offset" ); } WRITE_FLAG( pcPPS->getOutputFlagPresentFlag() ? 1 : 0, "pps_output_flag_present_flag" ); WRITE_FLAG( pcPPS->getNoPicPartitionFlag() ? 1 : 0, "pps_no_pic_partition_flag" ); WRITE_FLAG( pcPPS->getSubPicIdMappingInPpsFlag() ? 1 : 0, "pps_subpic_id_mapping_present_flag" ); if( pcPPS->getSubPicIdMappingInPpsFlag() ) { CHECK(pcPPS->getNumSubPics() < 1, "PPS: NumSubPics cannot be less than 1"); if( !pcPPS->getNoPicPartitionFlag() ) { WRITE_UVLC(pcPPS->getNumSubPics() - 1, "pps_num_subpics_minus1"); } CHECK(pcPPS->getSubPicIdLen() < 1, "PPS: SubPicIdLen cannot be less than 1"); WRITE_UVLC( pcPPS->getSubPicIdLen() - 1, "pps_subpic_id_len_minus1" ); CHECK((1 << pcPPS->getSubPicIdLen()) < pcPPS->getNumSubPics(), "pps_subpic_id_len exceeds valid range"); for( int picIdx = 0; picIdx < pcPPS->getNumSubPics( ); picIdx++ ) { WRITE_CODE( pcPPS->getSubPicId(picIdx), pcPPS->getSubPicIdLen( ), "pps_subpic_id[i]" ); } } 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, "pps_num_exp_tile_columns_minus1" ); WRITE_UVLC( pcPPS->getNumExpTileRows() - 1, "pps_num_exp_tile_rows_minus1" ); // tile sizes for( colIdx = 0; colIdx < pcPPS->getNumExpTileColumns(); colIdx++ ) { WRITE_UVLC( pcPPS->getTileColumnWidth( colIdx ) - 1, "pps_tile_column_width_minus1[i]" ); } for( rowIdx = 0; rowIdx < pcPPS->getNumExpTileRows(); rowIdx++ ) { WRITE_UVLC( pcPPS->getTileRowHeight( rowIdx ) - 1, "pps_tile_row_height_minus1[i]" ); } // rectangular slice signalling if (pcPPS->getNumTiles() > 1) { WRITE_FLAG(pcPPS->getLoopFilterAcrossTilesEnabledFlag(), "pps_loop_filter_across_tiles_enabled_flag"); WRITE_FLAG(pcPPS->getRectSliceFlag() ? 1 : 0, "pps_rect_slice_flag"); } if (pcPPS->getRectSliceFlag()) { WRITE_FLAG(pcPPS->getSingleSlicePerSubPicFlag( ) ? 1 : 0, "pps_single_slice_per_subpic_flag"); } if (pcPPS->getRectSliceFlag() & !(pcPPS->getSingleSlicePerSubPicFlag())) { WRITE_UVLC( pcPPS->getNumSlicesInPic( ) - 1, "pps_num_slices_in_pic_minus1" ); if ((pcPPS->getNumSlicesInPic() - 1) > 1) { WRITE_FLAG(pcPPS->getTileIdxDeltaPresentFlag() ? 1 : 0, "pps_tile_idx_delta_present_flag"); } // write rectangular slice parameters for( int i = 0; i < pcPPS->getNumSlicesInPic()-1; i++ ) { // complete tiles within a single slice if( ( pcPPS->getSliceTileIdx( i ) % pcPPS->getNumTileColumns() ) != pcPPS->getNumTileColumns() - 1 ) { WRITE_UVLC( pcPPS->getSliceWidthInTiles( i ) - 1, "pps_slice_width_in_tiles_minus1[i]" ); } if( pcPPS->getSliceTileIdx( i ) / pcPPS->getNumTileColumns() != pcPPS->getNumTileRows() - 1 && ( pcPPS->getTileIdxDeltaPresentFlag() || pcPPS->getSliceTileIdx( i ) % pcPPS->getNumTileColumns() == 0 ) ) { WRITE_UVLC( pcPPS->getSliceHeightInTiles( i ) - 1, "pps_slice_height_in_tiles_minus1[i]" ); } // multiple slices within a single tile special case if( pcPPS->getSliceWidthInTiles(i) == 1 && pcPPS->getSliceHeightInTiles(i) == 1 && pcPPS->getTileRowHeight(pcPPS->getSliceTileIdx(i) / pcPPS->getNumTileColumns()) > 1 ) { uint32_t numExpSliceInTile = (pcPPS->getNumSlicesInTile(i) == 1) ? 0 : pcPPS->getNumSlicesInTile(i); if (numExpSliceInTile > 1 && pcPPS->getSliceHeightInCtu(i + numExpSliceInTile - 2) >= pcPPS->getSliceHeightInCtu(i + numExpSliceInTile - 1)) { numExpSliceInTile--; while (numExpSliceInTile > 1 && pcPPS->getSliceHeightInCtu(i + numExpSliceInTile - 2) == pcPPS->getSliceHeightInCtu(i + numExpSliceInTile - 1)) { numExpSliceInTile--; } } uint32_t expSliceHeightSum = 0; WRITE_UVLC(numExpSliceInTile, "pps_num_exp_slices_in_tile[i]"); for( int j = 0; j < numExpSliceInTile; j++ ) { WRITE_UVLC(pcPPS->getSliceHeightInCtu(i + j) - 1, "pps_exp_slice_height_in_ctus_minus1[i]"); expSliceHeightSum += pcPPS->getSliceHeightInCtu(i + j); } CHECK( expSliceHeightSum > pcPPS->getTileRowHeight(pcPPS->getSliceTileIdx(i) / pcPPS->getNumTileColumns()), "The sum of expressed slice heights is larger than the height of the tile containing the slices."); i += (pcPPS->getNumSlicesInTile(i) - 1); } // 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, "pps_tile_idx_delta[i]" ); } } } } if (pcPPS->getRectSliceFlag() == 0 || pcPPS->getSingleSlicePerSubPicFlag() || pcPPS->getNumSlicesInPic() > 1) { WRITE_FLAG( pcPPS->getLoopFilterAcrossSlicesEnabledFlag(), "pps_loop_filter_across_slices_enabled_flag"); } } WRITE_FLAG( pcPPS->getCabacInitPresentFlag() ? 1 : 0, "pps_cabac_init_present_flag" ); WRITE_UVLC( pcPPS->getNumRefIdxL0DefaultActive()-1, "pps_num_ref_idx_default_active_minus1[0]"); WRITE_UVLC( pcPPS->getNumRefIdxL1DefaultActive()-1, "pps_num_ref_idx_default_active_minus1[1]"); WRITE_FLAG( pcPPS->getRpl1IdxPresentFlag() ? 1 : 0, "pps_rpl1_idx_present_flag"); WRITE_FLAG( pcPPS->getUseWP() ? 1 : 0, "pps_weighted_pred_flag" ); // Use of Weighting Prediction (P_SLICE) WRITE_FLAG( pcPPS->getWPBiPred() ? 1 : 0, "pps_weighted_bipred_flag" ); // Use of Weighting Bi-Prediction (B_SLICE) WRITE_FLAG( pcPPS->getWrapAroundEnabledFlag() ? 1 : 0, "pps_ref_wraparound_enabled_flag" ); if( pcPPS->getWrapAroundEnabledFlag() ) { WRITE_UVLC(pcPPS->getPicWidthMinusWrapAroundOffset(), "pps_pic_width_minus_wraparound_offset"); } WRITE_SVLC( pcPPS->getPicInitQPMinus26(), "pps_init_qp_minus26"); WRITE_FLAG( pcPPS->getUseDQP() ? 1 : 0, "pps_cu_qp_delta_enabled_flag" ); WRITE_FLAG(pcPPS->getPPSChromaToolFlag() ? 1 : 0, "pps_chroma_tool_offsets_present_flag"); if (pcPPS->getPPSChromaToolFlag()) { WRITE_SVLC( pcPPS->getQpOffset(COMPONENT_Cb), "pps_cb_qp_offset" ); WRITE_SVLC( pcPPS->getQpOffset(COMPONENT_Cr), "pps_cr_qp_offset" ); 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->getCuChromaQpOffsetListEnabledFlag()), "pps_cu_chroma_qp_offset_list_enabled_flag" ); if (pcPPS->getCuChromaQpOffsetListEnabledFlag()) { WRITE_UVLC(pcPPS->getChromaQpOffsetListLen() - 1, "pps_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, "pps_cb_qp_offset_list[i]"); WRITE_SVLC(pcPPS->getChromaQpOffsetListEntry(cuChromaQpOffsetIdx+1).u.comp.CrOffset, "pps_cr_qp_offset_list[i]"); if (pcPPS->getJointCbCrQpOffsetPresentFlag()) { WRITE_SVLC(pcPPS->getChromaQpOffsetListEntry(cuChromaQpOffsetIdx + 1).u.comp.JointCbCrOffset, "pps_joint_cbcr_qp_offset_list[i]"); } } } } WRITE_FLAG( pcPPS->getDeblockingFilterControlPresentFlag()?1 : 0, "pps_deblocking_filter_control_present_flag"); if(pcPPS->getDeblockingFilterControlPresentFlag()) { WRITE_FLAG( pcPPS->getDeblockingFilterOverrideEnabledFlag() ? 1 : 0, "pps_deblocking_filter_override_enabled_flag" ); WRITE_FLAG( pcPPS->getPPSDeblockingFilterDisabledFlag() ? 1 : 0, "pps_deblocking_filter_disabled_flag" ); if (!pcPPS->getNoPicPartitionFlag() && pcPPS->getDeblockingFilterOverrideEnabledFlag()) { WRITE_FLAG(pcPPS->getDbfInfoInPhFlag() ? 1 : 0, "pps_dbf_info_in_ph_flag"); } if(!pcPPS->getPPSDeblockingFilterDisabledFlag()) { WRITE_SVLC( pcPPS->getDeblockingFilterBetaOffsetDiv2(), "pps_beta_offset_div2" ); WRITE_SVLC( pcPPS->getDeblockingFilterTcOffsetDiv2(), "pps_tc_offset_div2" ); if( pcPPS->getPPSChromaToolFlag() ) { 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" ); } } } if (!pcPPS->getNoPicPartitionFlag()) { WRITE_FLAG(pcPPS->getRplInfoInPhFlag() ? 1 : 0, "pps_rpl_info_in_ph_flag"); WRITE_FLAG(pcPPS->getSaoInfoInPhFlag() ? 1 : 0, "pps_sao_info_in_ph_flag"); WRITE_FLAG(pcPPS->getAlfInfoInPhFlag() ? 1 : 0, "pps_alf_info_in_ph_flag"); if ((pcPPS->getUseWP() || pcPPS->getWPBiPred()) && pcPPS->getRplInfoInPhFlag()) { WRITE_FLAG(pcPPS->getWpInfoInPhFlag() ? 1 : 0, "pps_wp_info_in_ph_flag"); } WRITE_FLAG(pcPPS->getQpDeltaInfoInPhFlag() ? 1 : 0, "pps_qp_delta_info_in_ph_flag"); } WRITE_FLAG( pcPPS->getPictureHeaderExtensionPresentFlag() ? 1 : 0, "pps_picture_header_extension_present_flag"); WRITE_FLAG( pcPPS->getSliceHeaderExtensionPresentFlag() ? 1 : 0, "pps_slice_header_extension_present_flag"); WRITE_FLAG(0, "pps_extension_flag"); xWriteRbspTrailingBits(); } void HLSWriter::codeAPS( APS* pcAPS ) { #if ENABLE_TRACING xTraceAPSHeader(); #endif WRITE_CODE((int)pcAPS->getAPSType(), 3, "aps_params_type"); #if JVET_X0143_ALF_APS_ID_OFFSET if (pcAPS->getAPSType() == ALF_APS) { WRITE_CODE((pcAPS->getAPSId() + JVET_X0143_ALF_APS_ID_OFFSET ) % 8, 5, "adaptation_parameter_set_id"); } else #endif WRITE_CODE(pcAPS->getAPSId(), 5, "adaptation_parameter_set_id"); WRITE_FLAG(pcAPS->chromaPresentFlag, "aps_chroma_present_flag"); 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"); if (pcAPS->chromaPresentFlag) { WRITE_FLAG(param.newFilterFlag[CHANNEL_TYPE_CHROMA], "alf_chroma_new_filter"); } CcAlfFilterParam paramCcAlf = pcAPS->getCcAlfAPSParam(); if (pcAPS->chromaPresentFlag) { 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"); } if (param.newFilterFlag[CHANNEL_TYPE_LUMA]) { WRITE_FLAG( param.nonLinearFlag[CHANNEL_TYPE_LUMA], "alf_luma_clip" ); 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]) { WRITE_FLAG(param.nonLinearFlag[CHANNEL_TYPE_CHROMA], "alf_nonlinear_enable_flag_chroma"); 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 ) { alfFilter(param, true, altIdx); } } 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"); } } } } 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 = pcAPS->chromaPresentFlag ? param.chrResScalingOffset : 0; int signCRS = (deltaCRS < 0) ? 1 : 0; int absCRS = (deltaCRS < 0) ? (-deltaCRS) : deltaCRS; if (pcAPS->chromaPresentFlag) { WRITE_CODE(absCRS, 3, "lmcs_delta_abs_crs"); } if (absCRS > 0) { WRITE_FLAG(signCRS, "lmcs_delta_sign_crs_flag"); } } void HLSWriter::codeScalingListAps( APS* pcAPS ) { ScalingList param = pcAPS->getScalingList(); codeScalingList(param, pcAPS->chromaPresentFlag); } void HLSWriter::codeVUI( const VUI *pcVUI, const SPS* pcSPS ) { #if ENABLE_TRACING if( g_HLSTraceEnable ) { DTRACE( g_trace_ctx, D_HEADER, "----------- vui_parameters -----------\n"); } #endif WRITE_FLAG(pcVUI->getProgressiveSourceFlag(), "vui_progressive_source_flag" ); WRITE_FLAG(pcVUI->getInterlacedSourceFlag(), "vui_interlaced_source_flag" ); WRITE_FLAG(pcVUI->getNonPackedFlag(), "vui_non_packed_constraint_flag"); WRITE_FLAG(pcVUI->getNonProjectedFlag(), "vui_non_projected_constraint_flag"); 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_full_range_flag"); } WRITE_FLAG(pcVUI->getChromaLocInfoPresentFlag(), "vui_chroma_loc_info_present_flag"); if (pcVUI->getChromaLocInfoPresentFlag()) { if(pcVUI->getProgressiveSourceFlag() && !pcVUI->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"); } } if(!isByteAligned()) { WRITE_FLAG(1, "vui_payload_bit_equal_to_one"); while(!isByteAligned()) { WRITE_FLAG(0, "vui_payload_bit_equal_to_zero"); } } } void HLSWriter::codeGeneralHrdparameters(const GeneralHrdParams * hrd) { WRITE_CODE(hrd->getNumUnitsInTick(), 32, "num_units_in_tick"); WRITE_CODE(hrd->getTimeScale(), 32, "time_scale"); WRITE_FLAG(hrd->getGeneralNalHrdParametersPresentFlag() ? 1 : 0, "general_nal_hrd_parameters_present_flag"); WRITE_FLAG(hrd->getGeneralVclHrdParametersPresentFlag() ? 1 : 0, "general_vcl_hrd_parameters_present_flag"); if( hrd->getGeneralNalHrdParametersPresentFlag() || hrd->getGeneralVclHrdParametersPresentFlag() ) { WRITE_FLAG(hrd->getGeneralSamePicTimingInAllOlsFlag() ? 1 : 0, "general_same_pic_timing_in_all_ols_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"); } WRITE_UVLC(hrd->getHrdCpbCntMinus1(), "hrd_cpb_cnt_minus1"); } } void HLSWriter::codeOlsHrdParameters(const GeneralHrdParams * generalHrd, const OlsHrdParams *olsHrd, const uint32_t firstSubLayer, const uint32_t maxNumSubLayersMinus1) { for( int i = firstSubLayer; i <= maxNumSubLayersMinus1; i ++ ) { const OlsHrdParams *hrd = &(olsHrd[i]); WRITE_FLAG(hrd->getFixedPicRateGeneralFlag() ? 1 : 0, "fixed_pic_rate_general_flag"); if (!hrd->getFixedPicRateGeneralFlag()) { WRITE_FLAG(hrd->getFixedPicRateWithinCvsFlag() ? 1 : 0, "fixed_pic_rate_within_cvs_flag"); } if (hrd->getFixedPicRateWithinCvsFlag()) { WRITE_UVLC(hrd->getElementDurationInTcMinus1(), "elemental_duration_in_tc_minus1"); } else if ( (generalHrd->getGeneralNalHrdParametersPresentFlag() || generalHrd->getGeneralVclHrdParametersPresentFlag()) && generalHrd->getHrdCpbCntMinus1() == 0) { WRITE_FLAG(hrd->getLowDelayHrdFlag() ? 1 : 0, "low_delay_hrd_flag"); } for( int nalOrVcl = 0; nalOrVcl < 2; nalOrVcl ++ ) { if (((nalOrVcl == 0) && (generalHrd->getGeneralNalHrdParametersPresentFlag())) || ((nalOrVcl == 1) && (generalHrd->getGeneralVclHrdParametersPresentFlag()))) { for (int j = 0; j <= (generalHrd->getHrdCpbCntMinus1()); j++) { WRITE_UVLC(hrd->getBitRateValueMinus1(j, nalOrVcl), "bit_rate_value_minus1"); WRITE_UVLC(hrd->getCpbSizeValueMinus1(j, nalOrVcl), "cpb_size_value_minus1"); if (generalHrd->getGeneralDecodingUnitHrdParamsPresentFlag()) { WRITE_UVLC(hrd->getDuCpbSizeValueMinus1(j, nalOrVcl), "cpb_size_du_value_minus1"); WRITE_UVLC(hrd->getDuBitRateValueMinus1(j, nalOrVcl), "bit_rate_du_value_minus1"); } WRITE_FLAG(hrd->getCbrFlag(j, nalOrVcl) ? 1 : 0, "cbr_flag"); } } } } } void HLSWriter::dpb_parameters(int maxSubLayersMinus1, bool subLayerInfoFlag, const SPS *pcSPS) { for (uint32_t i = (subLayerInfoFlag ? 0 : maxSubLayersMinus1); i <= maxSubLayersMinus1; i++) { CHECK(pcSPS->getMaxDecPicBuffering(i) < 1, "MaxDecPicBuffering must be greater than 0"); WRITE_UVLC(pcSPS->getMaxDecPicBuffering(i) - 1, "dpb_max_dec_pic_buffering_minus1[i]"); WRITE_UVLC(pcSPS->getMaxNumReorderPics(i), "dpb_max_num_reorder_pics[i]"); WRITE_UVLC(pcSPS->getMaxLatencyIncreasePlus1(i), "dpb_max_latency_increase_plus1[i]"); } } void HLSWriter::codeSPS( const SPS* pcSPS ) { #if ENABLE_TRACING xTraceSPSHeader (); #endif WRITE_CODE(pcSPS->getSPSId(), 4, "sps_seq_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(int(pcSPS->getChromaFormatIdc()), 2, "sps_chroma_format_idc"); WRITE_CODE(floorLog2(pcSPS->getCTUSize()) - 5, 2, "sps_log2_ctu_size_minus5"); WRITE_FLAG(pcSPS->getPtlDpbHrdParamsPresentFlag(), "sps_ptl_dpb_hrd_params_present_flag"); if( !pcSPS->getVPSId() ) { CHECK( !pcSPS->getPtlDpbHrdParamsPresentFlag(), "When sps_video_parameter_set_id is equal to 0, the value of sps_ptl_dpb_hrd_params_present_flag shall be equal to 1" ); } if (pcSPS->getPtlDpbHrdParamsPresentFlag()) { codeProfileTierLevel(pcSPS->getProfileTierLevel(), true, pcSPS->getMaxTLayers() - 1); } WRITE_FLAG(pcSPS->getGDREnabledFlag(), "sps_gdr_enabled_flag"); WRITE_FLAG(pcSPS->getRprEnabledFlag(), "sps_ref_pic_resampling_enabled_flag"); if (pcSPS->getRprEnabledFlag()) { WRITE_FLAG(pcSPS->getResChangeInClvsEnabledFlag(), "sps_res_change_in_clvs_allowed_flag"); } CHECK(!pcSPS->getRprEnabledFlag() && pcSPS->getResChangeInClvsEnabledFlag(), "When sps_ref_pic_resampling_enabled_flag is equal to 0, sps_res_change_in_clvs_allowed_flag shall be equal to 0"); WRITE_UVLC( pcSPS->getMaxPicWidthInLumaSamples(), "sps_pic_width_max_in_luma_samples" ); WRITE_UVLC( pcSPS->getMaxPicHeightInLumaSamples(), "sps_pic_height_max_in_luma_samples" ); Window conf = pcSPS->getConformanceWindow(); WRITE_FLAG(conf.getWindowEnabledFlag(), "sps_conformance_window_flag"); if (conf.getWindowEnabledFlag()) { WRITE_UVLC(conf.getWindowLeftOffset(), "sps_conf_win_left_offset"); WRITE_UVLC(conf.getWindowRightOffset(), "sps_conf_win_right_offset"); WRITE_UVLC(conf.getWindowTopOffset(), "sps_conf_win_top_offset"); WRITE_UVLC(conf.getWindowBottomOffset(), "sps_conf_win_bottom_offset"); } WRITE_FLAG(pcSPS->getSubPicInfoPresentFlag(), "sps_subpic_info_present_flag"); if (pcSPS->getSubPicInfoPresentFlag()) { CHECK(pcSPS->getNumSubPics() < 1, "SPS: NumSubPics cannot be less than 1"); WRITE_UVLC(pcSPS->getNumSubPics() - 1, "sps_num_subpics_minus1"); if( pcSPS->getNumSubPics() > 1 ) { WRITE_FLAG(pcSPS->getIndependentSubPicsFlag(), "sps_independent_subpics_flag"); WRITE_FLAG(pcSPS->getSubPicSameSizeFlag(), "sps_subpic_same_size_flag"); uint32_t tmpWidthVal = (pcSPS->getMaxPicWidthInLumaSamples() + pcSPS->getCTUSize() - 1) / pcSPS->getCTUSize(); uint32_t tmpHeightVal = (pcSPS->getMaxPicHeightInLumaSamples() + pcSPS->getCTUSize() - 1) / pcSPS->getCTUSize(); for (int picIdx = 0; picIdx < pcSPS->getNumSubPics(); picIdx++) { if (!pcSPS->getSubPicSameSizeFlag() || picIdx == 0) { if ((picIdx > 0) && (pcSPS->getMaxPicWidthInLumaSamples() > pcSPS->getCTUSize())) { WRITE_CODE(pcSPS->getSubPicCtuTopLeftX(picIdx), ceilLog2(tmpWidthVal), "sps_subpic_ctu_top_left_x[ i ]"); } if ((picIdx > 0) && (pcSPS->getMaxPicHeightInLumaSamples() > pcSPS->getCTUSize())) { WRITE_CODE(pcSPS->getSubPicCtuTopLeftY(picIdx), ceilLog2(tmpHeightVal), "sps_subpic_ctu_top_left_y[ i ]"); } if (picIdx<pcSPS->getNumSubPics() - 1 && pcSPS->getMaxPicWidthInLumaSamples() > pcSPS->getCTUSize()) { WRITE_CODE(pcSPS->getSubPicWidth(picIdx) - 1, ceilLog2(tmpWidthVal), "sps_subpic_width_minus1[ i ]"); } if (picIdx<pcSPS->getNumSubPics() - 1 && pcSPS->getMaxPicHeightInLumaSamples() > pcSPS->getCTUSize()) { WRITE_CODE(pcSPS->getSubPicHeight(picIdx) - 1, ceilLog2(tmpHeightVal), "sps_subpic_height_minus1[ i ]"); } } if (!pcSPS->getIndependentSubPicsFlag()) { WRITE_FLAG(pcSPS->getSubPicTreatedAsPicFlag(picIdx), "sps_subpic_treated_as_pic_flag[ i ]"); WRITE_FLAG(pcSPS->getLoopFilterAcrossSubpicEnabledFlag(picIdx), "sps_loop_filter_across_subpic_enabled_flag[ i ]"); } } } CHECK(pcSPS->getSubPicIdLen() < 1, "SPS: SubPicIdLen cannot be less than 1"); WRITE_UVLC(pcSPS->getSubPicIdLen() - 1, "sps_subpic_id_len_minus1"); WRITE_FLAG(pcSPS->getSubPicIdMappingExplicitlySignalledFlag(), "sps_subpic_id_mapping_explicitly_signalled_flag"); if (pcSPS->getSubPicIdMappingExplicitlySignalledFlag()) { WRITE_FLAG(pcSPS->getSubPicIdMappingPresentFlag(), "sps_subpic_id_mapping_present_flag"); if (pcSPS->getSubPicIdMappingPresentFlag()) { for (int picIdx = 0; picIdx < pcSPS->getNumSubPics(); picIdx++) { WRITE_CODE(pcSPS->getSubPicId(picIdx), pcSPS->getSubPicIdLen(), "sps_subpic_id[i]"); } } } } const Profile::Name profile = pcSPS->getProfileTierLevel()->getProfileIdc(); if (profile != Profile::NONE) { CHECK(pcSPS->getBitDepth(CHANNEL_TYPE_LUMA) > ProfileFeatures::getProfileFeatures(profile)->maxBitDepth, "sps_bitdepth_minus8 exceeds range supported by signalled profile"); } WRITE_UVLC(pcSPS->getBitDepth(CHANNEL_TYPE_LUMA) - 8, "sps_bitdepth_minus8"); WRITE_FLAG( pcSPS->getEntropyCodingSyncEnabledFlag() ? 1 : 0, "sps_entropy_coding_sync_enabled_flag" ); WRITE_FLAG( pcSPS->getEntryPointsPresentFlag() ? 1 : 0, "sps_entry_point_offsets_present_flag" ); WRITE_CODE(pcSPS->getBitsForPOC()-4, 4, "sps_log2_max_pic_order_cnt_lsb_minus4"); WRITE_FLAG(pcSPS->getPocMsbCycleFlag() ? 1 : 0, "sps_poc_msb_cycle_flag"); if (pcSPS->getPocMsbCycleFlag()) { WRITE_UVLC(pcSPS->getPocMsbCycleLen() - 1, "sps_poc_msb_cycle_len_minus1"); } // extra bits are for future extensions, so these are currently hard coded to not being sent WRITE_CODE(0, 2, "sps_num_extra_ph_bytes"); // for( i = 0; i < (sps_num_extra_ph_bytes * 8 ); i++ ) // sps_extra_ph_bit_present_flag[ i ] WRITE_CODE(0, 2, "sps_num_extra_sh_bytes"); // for( i = 0; i < (sps_num_extra_sh_bytes * 8 ); i++ ) // sps_extra_sh_bit_present_flag[ i ] if (pcSPS->getPtlDpbHrdParamsPresentFlag()) { if (pcSPS->getMaxTLayers() - 1 > 0) { WRITE_FLAG(pcSPS->getSubLayerDpbParamsFlag(), "sps_sublayer_dpb_params_flag"); } dpb_parameters(pcSPS->getMaxTLayers() - 1, pcSPS->getSubLayerDpbParamsFlag(), pcSPS); } CHECK( pcSPS->getMaxCUWidth() != pcSPS->getMaxCUHeight(), "Rectangular CTUs not supported" ); WRITE_UVLC(pcSPS->getLog2MinCodingBlockSize() - 2, "sps_log2_min_luma_coding_block_size_minus2"); WRITE_FLAG(pcSPS->getSplitConsOverrideEnabledFlag(), "sps_partition_constraints_override_enabled_flag"); WRITE_UVLC(floorLog2(pcSPS->getMinQTSize(I_SLICE)) - pcSPS->getLog2MinCodingBlockSize(), "sps_log2_diff_min_qt_min_cb_intra_slice_luma"); 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( pcSPS->getChromaFormatIdc() != CHROMA_400 ) { WRITE_FLAG(pcSPS->getUseDualITree(), "sps_qtbtt_dual_tree_intra_flag"); } if (pcSPS->getUseDualITree()) { WRITE_UVLC(floorLog2(pcSPS->getMinQTSize(I_SLICE, CHANNEL_TYPE_CHROMA)) - pcSPS->getLog2MinCodingBlockSize(), "sps_log2_diff_min_qt_min_cb_intra_slice_chroma"); 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_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"); 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->getCTUSize() > 32) WRITE_FLAG( (pcSPS->getLog2MaxTbSize() - 5) ? 1 : 0, "sps_max_luma_transform_size_64_flag" ); WRITE_FLAG(pcSPS->getTransformSkipEnabledFlag() ? 1 : 0, "sps_transform_skip_enabled_flag"); if (pcSPS->getTransformSkipEnabledFlag()) { WRITE_UVLC(pcSPS->getLog2MaxTransformSkipBlockSize() - 2, "sps_log2_transform_skip_max_size_minus2"); WRITE_FLAG(pcSPS->getBDPCMEnabledFlag() ? 1 : 0, "sps_bdpcm_enabled_flag"); } else { CHECK(pcSPS->getBDPCMEnabledFlag(), "BDPCM cannot be used when transform skip is disabled"); } WRITE_FLAG(pcSPS->getMtsEnabled() ? 1 : 0, "sps_mts_enabled_flag"); if (pcSPS->getMtsEnabled()) { WRITE_FLAG(pcSPS->getExplicitMtsIntraEnabled() ? 1 : 0, "sps_explicit_mts_intra_enabled_flag"); WRITE_FLAG(pcSPS->getExplicitMtsInterEnabled() ? 1 : 0, "sps_explicit_mts_inter_enabled_flag"); } WRITE_FLAG(pcSPS->getUseLFNST() ? 1 : 0, "sps_lfnst_enabled_flag"); if (pcSPS->getChromaFormatIdc() != CHROMA_400) { WRITE_FLAG(pcSPS->getJointCbCrEnabledFlag(), "sps_joint_cbcr_enabled_flag"); const ChromaQpMappingTable& chromaQpMappingTable = pcSPS->getChromaQpMappingTable(); WRITE_FLAG(chromaQpMappingTable.getSameCQPTableForAllChromaFlag(), "sps_same_qp_table_for_chroma_flag"); 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), "sps_qp_table_starts_minus26"); WRITE_UVLC(chromaQpMappingTable.getNumPtsInCQPTableMinus1(i), "sps_num_points_in_qp_table_minus1"); for (int j = 0; j <= chromaQpMappingTable.getNumPtsInCQPTableMinus1(i); j++) { WRITE_UVLC(chromaQpMappingTable.getDeltaQpInValMinus1(i, j), "sps_delta_qp_in_val_minus1"); WRITE_UVLC(chromaQpMappingTable.getDeltaQpOutVal(i, j) ^ chromaQpMappingTable.getDeltaQpInValMinus1(i, j), "sps_delta_qp_diff_val"); } } } WRITE_FLAG( pcSPS->getSAOEnabledFlag(), "sps_sao_enabled_flag"); WRITE_FLAG( pcSPS->getALFEnabledFlag(), "sps_alf_enabled_flag" ); if (pcSPS->getALFEnabledFlag() && pcSPS->getChromaFormatIdc() != CHROMA_400) { WRITE_FLAG( pcSPS->getCCALFEnabledFlag(), "sps_ccalf_enabled_flag" ); } WRITE_FLAG(pcSPS->getUseLmcs() ? 1 : 0, "sps_lmcs_enable_flag"); 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_FLAG(pcSPS->getLongTermRefsPresent() ? 1 : 0, "sps_long_term_ref_pics_flag"); if( pcSPS->getVPSId() > 0 ) { WRITE_FLAG( pcSPS->getInterLayerPresentFlag() ? 1 : 0, "sps_inter_layer_prediction_enabled_flag" ); } WRITE_FLAG(pcSPS->getIDRRefParamListPresent() ? 1 : 0, "sps_idr_rpl_present_flag" ); WRITE_FLAG(pcSPS->getRPL1CopyFromRPL0Flag() ? 1 : 0, "sps_rpl1_same_as_rpl0_flag"); const RPLList* rplList0 = pcSPS->getRPLList0(); const RPLList* rplList1 = pcSPS->getRPLList1(); //Write candidate for List0 uint32_t numberOfRPL = pcSPS->getNumRPL0(); WRITE_UVLC(numberOfRPL, "sps_num_ref_pic_lists[0]"); for (int ii = 0; ii < numberOfRPL; ii++) { const ReferencePictureList* rpl = rplList0->getReferencePictureList(ii); xCodeRefPicList(rpl, pcSPS->getLongTermRefsPresent(), pcSPS->getBitsForPOC(), !pcSPS->getUseWP() && !pcSPS->getUseWPBiPred(), ii); } //Write candidate for List1 if (!pcSPS->getRPL1CopyFromRPL0Flag()) { numberOfRPL = pcSPS->getNumRPL1(); WRITE_UVLC(numberOfRPL, "sps_num_ref_pic_lists[1]"); for (int ii = 0; ii < numberOfRPL; ii++) { const ReferencePictureList* rpl = rplList1->getReferencePictureList(ii); xCodeRefPicList(rpl, pcSPS->getLongTermRefsPresent(), pcSPS->getBitsForPOC(), !pcSPS->getUseWP() && !pcSPS->getUseWPBiPred(), ii); } } WRITE_FLAG( pcSPS->getWrapAroundEnabledFlag() ? 1 : 0, "sps_ref_wraparound_enabled_flag" ); 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->getBdofControlPresentInPhFlag() ? 1 : 0, "sps_bdof_control_present_in_ph_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->getDmvrControlPresentInPhFlag() ? 1 : 0, "sps_dmvr_control_present_in_ph_flag"); } WRITE_FLAG(pcSPS->getUseMMVD() ? 1 : 0, "sps_mmvd_enabled_flag"); if (pcSPS->getUseMMVD()) { WRITE_FLAG(pcSPS->getFpelMmvdEnabledFlag() ? 1 : 0, "sps_mmvd_fullpel_only_flag"); } WRITE_UVLC(MRG_MAX_NUM_CANDS - pcSPS->getMaxNumMergeCand(), "sps_six_minus_max_num_merge_cand"); WRITE_FLAG( pcSPS->getUseSBT() ? 1 : 0, "sps_sbt_enabled_flag"); WRITE_FLAG( pcSPS->getUseAffine() ? 1 : 0, "sps_affine_enabled_flag" ); if ( pcSPS->getUseAffine() ) { WRITE_UVLC(AFFINE_MRG_MAX_NUM_CANDS - pcSPS->getMaxNumAffineMergeCand(), "sps_five_minus_max_num_subblock_merge_cand"); WRITE_FLAG( pcSPS->getUseAffineType() ? 1 : 0, "sps_affine_type_flag" ); if (pcSPS->getAMVREnabledFlag()) { WRITE_FLAG( pcSPS->getAffineAmvrEnabledFlag() ? 1 : 0, "sps_affine_amvr_enabled_flag" ); } WRITE_FLAG( pcSPS->getUsePROF() ? 1 : 0, "sps_affine_prof_enabled_flag" ); if (pcSPS->getUsePROF()) { WRITE_FLAG(pcSPS->getProfControlPresentInPhFlag() ? 1 : 0, "sps_prof_control_present_in_ph_flag" ); } } WRITE_FLAG(pcSPS->getUseBcw() ? 1 : 0, "sps_bcw_enabled_flag"); WRITE_FLAG( pcSPS->getUseCiip() ? 1 : 0, "sps_ciip_enabled_flag" ); if (pcSPS->getMaxNumMergeCand() >= 2) { WRITE_FLAG(pcSPS->getUseGeo() ? 1 : 0, "sps_gpm_enabled_flag"); if (pcSPS->getUseGeo()) { CHECK(pcSPS->getMaxNumMergeCand() < pcSPS->getMaxNumGeoCand(), "The number of GPM candidates must not be greater than the number of merge candidates"); CHECK(2 > pcSPS->getMaxNumGeoCand(), "The number of GPM candidates must not be smaller than 2"); if (pcSPS->getMaxNumMergeCand() >= 3) { WRITE_UVLC(pcSPS->getMaxNumMergeCand() - pcSPS->getMaxNumGeoCand(), "sps_max_num_merge_cand_minus_max_num_gpm_cand"); } } } WRITE_UVLC(pcSPS->getLog2ParallelMergeLevelMinus2(), "sps_log2_parallel_merge_level_minus2"); 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" ); } else { CHECK(pcSPS->getHorCollocatedChromaFlag() != 1, "Invalid value for horizontal collocated chroma flag"); CHECK(pcSPS->getVerCollocatedChromaFlag() != 1, "Invalid value for vertical collocated chroma flag"); } CHECK(pcSPS->getMaxNumMergeCand() > MRG_MAX_NUM_CANDS, "More merge candidates signalled than supported"); WRITE_FLAG(pcSPS->getPLTMode() ? 1 : 0, "sps_palette_enabled_flag" ); if (pcSPS->getChromaFormatIdc() == CHROMA_444 && pcSPS->getLog2MaxTbSize() != 6) { WRITE_FLAG(pcSPS->getUseColorTrans() ? 1 : 0, "sps_act_enabled_flag"); } if (pcSPS->getTransformSkipEnabledFlag() || pcSPS->getPLTMode()) { WRITE_UVLC(pcSPS->getInternalMinusInputBitDepth(CHANNEL_TYPE_LUMA), "sps_internal_bit_depth_minus_input_bit_depth"); } WRITE_FLAG(pcSPS->getIBCFlag() ? 1 : 0, "sps_ibc_enabled_flag"); if (pcSPS->getIBCFlag()) { CHECK(pcSPS->getMaxNumIBCMergeCand() > IBC_MRG_MAX_NUM_CANDS, "More IBC merge candidates signalled than supported"); WRITE_UVLC(IBC_MRG_MAX_NUM_CANDS - pcSPS->getMaxNumIBCMergeCand(), "sps_six_minus_max_num_ibc_merge_cand"); } #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 // KJS: reference picture sets to be replaced // KJS: remove scaling lists? WRITE_FLAG( pcSPS->getScalingListFlag() ? 1 : 0, "sps_explicit_scaling_list_enabled_flag" ); if (pcSPS->getUseLFNST() && pcSPS->getScalingListFlag()) { WRITE_FLAG(pcSPS->getDisableScalingMatrixForLfnstBlks(), "sps_scaling_matrix_for_lfnst_disabled_flag"); } if (pcSPS->getUseColorTrans() && pcSPS->getScalingListFlag()) { WRITE_FLAG(pcSPS->getScalingMatrixForAlternativeColourSpaceDisabledFlag(), "sps_scaling_matrix_for_alternative_colour_space_disabled_flag"); } if (pcSPS->getScalingMatrixForAlternativeColourSpaceDisabledFlag()) { WRITE_FLAG(pcSPS->getScalingMatrixDesignatedColourSpaceFlag(), "sps_scaling_matrix_designated_colour_space_flag"); } WRITE_FLAG(pcSPS->getDepQuantEnabledFlag(), "sps_dep_quant_enabled_flag"); WRITE_FLAG(pcSPS->getSignDataHidingEnabledFlag(), "sps_sign_data_hiding_enabled_flag"); WRITE_FLAG( pcSPS->getVirtualBoundariesEnabledFlag(), "sps_virtual_boundaries_enabled_flag" ); if( pcSPS->getVirtualBoundariesEnabledFlag() ) { WRITE_FLAG( pcSPS->getVirtualBoundariesPresentFlag(), "sps_loop_filter_across_virtual_boundaries_present_flag" ); if( pcSPS->getVirtualBoundariesPresentFlag() ) { WRITE_UVLC( pcSPS->getNumVerVirtualBoundaries(), "sps_num_ver_virtual_boundaries"); if (pcSPS->getMaxPicWidthInLumaSamples() <= 8) { CHECK(pcSPS->getNumVerVirtualBoundaries() != 0, "SPS: When picture width is less than or equal to 8, the number of vertical virtual boundaries shall be equal to 0"); } else { CHECK(pcSPS->getNumVerVirtualBoundaries() > 3, "SPS: The number of vertical virtual boundaries shall be in the range of 0 to 3"); } for( unsigned i = 0; i < pcSPS->getNumVerVirtualBoundaries(); i++ ) { WRITE_UVLC((pcSPS->getVirtualBoundariesPosX(i)>>3) - 1, "sps_virtual_boundary_pos_x_minus1[i]"); CHECK(((pcSPS->getVirtualBoundariesPosX(i)>>3) - 1) > (((pcSPS->getMaxPicWidthInLumaSamples() + 7) >> 3) - 2), "The value of sps_virtual_boundary_pos_x_minus1[ i ] shall be in the range of 0 to Ceil( sps_pic_width_max_in_luma_samples / 8 ) - 2, inclusive."); } WRITE_UVLC(pcSPS->getNumHorVirtualBoundaries(), "sps_num_hor_virtual_boundaries"); if (pcSPS->getMaxPicHeightInLumaSamples() <= 8) { CHECK(pcSPS->getNumHorVirtualBoundaries() != 0, "SPS: When picture height is less than or equal to 8, the number of horizontal virtual boundaries shall be equal to 0"); } else { CHECK(pcSPS->getNumHorVirtualBoundaries() > 3, "SPS: The number of horizontal virtual boundaries shall be in the range of 0 to 3"); } for( unsigned i = 0; i < pcSPS->getNumHorVirtualBoundaries(); i++ ) { WRITE_UVLC((pcSPS->getVirtualBoundariesPosY(i)>>3) - 1, "sps_virtual_boundary_pos_y_minus1[i]"); CHECK(((pcSPS->getVirtualBoundariesPosY(i)>>3) - 1) > (((pcSPS->getMaxPicHeightInLumaSamples() + 7) >> 3) - 2), "The value of sps_virtual_boundary_pos_y_minus1[ i ] shall be in the range of 0 to Ceil( sps_pic_height_max_in_luma_samples / 8 ) - 2, inclusive."); } } } if (pcSPS->getPtlDpbHrdParamsPresentFlag()) { WRITE_FLAG(pcSPS->getGeneralHrdParametersPresentFlag(), "sps_timing_hrd_params_present_flag"); if (pcSPS->getGeneralHrdParametersPresentFlag()) { codeGeneralHrdparameters(pcSPS->getGeneralHrdParameters()); if ((pcSPS->getMaxTLayers() - 1) > 0) { WRITE_FLAG(pcSPS->getSubLayerParametersPresentFlag(), "sps_sublayer_cpb_params_present_flag"); } uint32_t firstSubLayer = pcSPS->getSubLayerParametersPresentFlag() ? 0 : (pcSPS->getMaxTLayers() - 1); codeOlsHrdParameters(pcSPS->getGeneralHrdParameters(), pcSPS->getOlsHrdParameters(), firstSubLayer, pcSPS->getMaxTLayers() - 1); } } WRITE_FLAG(pcSPS->getFieldSeqFlag(), "sps_field_seq_flag"); WRITE_FLAG( pcSPS->getVuiParametersPresentFlag(), "sps_vui_parameters_present_flag" ); if (pcSPS->getVuiParametersPresentFlag()) { OutputBitstream *bs = getBitstream(); OutputBitstream bs_count; setBitstream(&bs_count); #if ENABLE_TRACING bool traceEnable = g_HLSTraceEnable; g_HLSTraceEnable = false; #endif codeVUI(pcSPS->getVuiParameters(), pcSPS); #if ENABLE_TRACING g_HLSTraceEnable = traceEnable; #endif unsigned vui_payload_data_num_bits = bs_count.getNumberOfWrittenBits(); CHECK( vui_payload_data_num_bits % 8 != 0, "Invalid number of VUI payload data bits" ); setBitstream(bs); WRITE_UVLC((vui_payload_data_num_bits >> 3) - 1, "sps_vui_payload_size_minus1"); while (!isByteAligned()) { WRITE_FLAG(0, "sps_vui_alignment_zero_bit"); } 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_extension_7bits[0]", "sps_extension_7bits[1]", "sps_extension_7bits[2]", "sps_extension_7bits[3]", "sps_extension_7bits[4]", "sps_extension_7bits[5]", "sps_extension_7bits[6]" }; #endif if (pcSPS->getBitDepth(CHANNEL_TYPE_LUMA) <= 10) CHECK((sps_extension_flags[SPS_EXT__REXT] == 1), "The value of sps_range_extension_flag shall be 0 when BitDepth is less than or equal to 10."); 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.getExtendedPrecisionProcessingFlag() ? 1 : 0), "extended_precision_processing_flag" ); if (pcSPS->getTransformSkipEnabledFlag()) { WRITE_FLAG( (spsRangeExtension.getTSRCRicePresentFlag() ? 1 : 0), "sps_ts_residual_coding_rice_present_in_sh_flag"); } WRITE_FLAG( (spsRangeExtension.getRrcRiceExtensionEnableFlag() ? 1 : 0), "rrc_rice_extension_flag"); WRITE_FLAG( (spsRangeExtension.getPersistentRiceAdaptationEnabledFlag() ? 1 : 0), "persistent_rice_adaptation_enabled_flag" ); WRITE_FLAG( (spsRangeExtension.getReverseLastSigCoeffEnabledFlag() ? 1 : 0), "reverse_last_sig_coeff_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::codeDCI(const DCI* dci) { #if ENABLE_TRACING xTraceDCIHeader(); #endif WRITE_CODE(0, 4, "dci_reserved_zero_4bits"); uint32_t numPTLs = (uint32_t)dci->getNumPTLs(); CHECK( (numPTLs < 1) || ( numPTLs > 15), "dci_num_plts_minus1 shall be in the range of 0 - 14"); WRITE_CODE(numPTLs - 1, 4, "dci_num_ptls_minus1"); for (int i = 0; i < numPTLs; i++) { ProfileTierLevel ptl = dci->getProfileTierLevel(i); codeProfileTierLevel(&ptl, true, 0); } WRITE_FLAG(0, "dci_extension_flag"); xWriteRbspTrailingBits(); } void HLSWriter::codeOPI(const OPI *opi) { #if ENABLE_TRACING xTraceOPIHeader(); #endif WRITE_FLAG(opi->getOlsInfoPresentFlag(), "opi_ols_info_present_flag"); WRITE_FLAG(opi->getHtidInfoPresentFlag(), "opi_htid_info_present_flag"); if (opi->getOlsInfoPresentFlag()) { WRITE_UVLC(opi->getOpiOlsIdx(), "opi_ols_idx"); } if (opi->getHtidInfoPresentFlag()) { WRITE_CODE(opi->getOpiHtidPlus1(), 3, "opi_htid_plus1"); } WRITE_FLAG(0, "opi_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->getDefaultPtlDpbHrdMaxTidFlag(), "vps_default_ptl_dpb_hrd_max_tid_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)) { bool presentFlag = false; for (int j = 0; j < i; j++) { presentFlag |= ((pcVPS->getMaxTidIlRefPicsPlus1(i, j) != MAX_TLAYER) && pcVPS->getDirectRefLayerFlag(i, j)); } WRITE_FLAG(presentFlag, "max_tid_ref_present_flag[ i ]"); for (int j = 0; j < i; j++) { WRITE_FLAG(pcVPS->getDirectRefLayerFlag(i, j), "vps_direct_ref_layer_flag"); if (presentFlag && pcVPS->getDirectRefLayerFlag(i, j)) { WRITE_CODE(pcVPS->getMaxTidIlRefPicsPlus1(i, j), 3, "max_tid_il_ref_pics_plus1[ i ][ j ]"); } } } } } 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() - 2, 8, "vps_num_output_layer_sets_minus2"); 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"); } } } } CHECK(pcVPS->getNumPtls() - 1 >= pcVPS->getTotalNumOLSs(), "vps_num_ptls_minus1 shall be less than TotalNumOlss"); WRITE_CODE(pcVPS->getNumPtls() - 1, 8, "vps_num_ptls_minus1"); } int totalNumOlss = pcVPS->getTotalNumOLSs(); for (int i = 0; i < pcVPS->getNumPtls(); i++) { if(i > 0) WRITE_FLAG(pcVPS->getPtPresentFlag(i), "vps_pt_present_flag"); if (!pcVPS->getDefaultPtlDpbHrdMaxTidFlag()) { WRITE_CODE(pcVPS->getPtlMaxTemporalId(i), 3, "vps_ptl_max_tid"); } else { CHECK(pcVPS->getPtlMaxTemporalId(i) != pcVPS->getMaxSubLayers() - 1, "When vps_default_ptl_dpb_hrd_max_tid_flag is equal to 1, the value of vps_ptl_max_tid[ i ] is inferred to be equal to vps_max_sublayers_minus1"); } } int cnt = 0; while (m_pcBitIf->getNumBitsUntilByteAligned()) { WRITE_FLAG( 0, "vps_ptl_reserved_zero_bit"); cnt++; } CHECK(cnt>=8, "More than '8' alignment bytes written"); for (int i = 0; i < pcVPS->getNumPtls(); i++) { codeProfileTierLevel(&pcVPS->getProfileTierLevel(i), pcVPS->getPtPresentFlag(i), pcVPS->getPtlMaxTemporalId(i)); } for (int i = 0; i < totalNumOlss; i++) { if (pcVPS->getNumPtls() > 1 && pcVPS->getNumPtls() != pcVPS->getTotalNumOLSs()) WRITE_CODE(pcVPS->getOlsPtlIdx(i), 8, "vps_ols_ptl_idx"); } if( !pcVPS->getEachLayerIsAnOlsFlag() ) { WRITE_UVLC( pcVPS->m_numDpbParams - 1, "vps_num_dpb_params_minus1" ); if( 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->getDefaultPtlDpbHrdMaxTidFlag()) { WRITE_CODE(pcVPS->m_dpbMaxTemporalId[i], 3, "vps_dpb_max_tid[i]"); } else { CHECK(pcVPS->m_dpbMaxTemporalId[i] != pcVPS->getMaxSubLayers() - 1, "When vps_default_ptl_dpb_hrd_max_tid_flag is equal to 1, the value of vps_dpb_max_tid[ i ] is inferred to be equal to vps_max_sublayers_minus1"); } for( int j = ( pcVPS->m_sublayerDpbParamsPresentFlag ? 0 : pcVPS->m_dpbMaxTemporalId[i] ); j <= pcVPS->m_dpbMaxTemporalId[i]; j++ ) { CHECK(pcVPS->m_dpbParameters[i].m_maxDecPicBuffering[j] < 1, "MaxDecPicBuffering must be greater than 0"); WRITE_UVLC(pcVPS->m_dpbParameters[i].m_maxDecPicBuffering[j] - 1, "dpb_max_dec_pic_buffering_minus1[i]"); WRITE_UVLC( pcVPS->m_dpbParameters[i].m_maxNumReorderPics[j], "dpb_max_num_reorder_pics[i]" ); WRITE_UVLC( pcVPS->m_dpbParameters[i].m_maxLatencyIncreasePlus1[j], "dpb_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, "vps_ols_dpb_pic_width[i]" ); WRITE_UVLC( pcVPS->getOlsDpbPicSize( i ).height, "vps_ols_dpb_pic_height[i]" ); WRITE_CODE( pcVPS->m_olsDpbChromaFormatIdc[i], 2, "vps_ols_dpb_chroma_format[i]"); const Profile::Name profile = pcVPS->getProfileTierLevel(pcVPS->getOlsPtlIdx(i)).getProfileIdc(); if (profile != Profile::NONE) { CHECK(pcVPS->m_olsDpbBitDepthMinus8[i] + 8 > ProfileFeatures::getProfileFeatures(profile)->maxBitDepth, "vps_ols_dpb_bitdepth_minus8[ i ] exceeds range supported by signalled profile"); } WRITE_UVLC( pcVPS->m_olsDpbBitDepthMinus8[i], "vps_ols_dpb_bitdepth_minus8[i]"); if( (pcVPS->m_numDpbParams > 1) && (pcVPS->m_numDpbParams != pcVPS->m_numMultiLayeredOlss) ) { WRITE_UVLC( pcVPS->getOlsDpbParamsIdx( i ), "vps_ols_dpb_params_idx[i]" ); } } } } if (!pcVPS->getEachLayerIsAnOlsFlag()) { WRITE_FLAG(pcVPS->getVPSGeneralHrdParamsPresentFlag(), "vps_general_hrd_params_present_flag"); } if (pcVPS->getVPSGeneralHrdParamsPresentFlag()) { codeGeneralHrdparameters(pcVPS->getGeneralHrdParameters()); if ((pcVPS->getMaxSubLayers()-1) > 0) { WRITE_FLAG(pcVPS->getVPSSublayerCpbParamsPresentFlag(), "vps_sublayer_cpb_params_present_flag"); } WRITE_UVLC(pcVPS->getNumOlsTimingHrdParamsMinus1(), "vps_num_ols_timing_hrd_params_minus1"); for (int i = 0; i <= pcVPS->getNumOlsTimingHrdParamsMinus1(); i++) { if (!pcVPS->getDefaultPtlDpbHrdMaxTidFlag()) { WRITE_CODE(pcVPS->getHrdMaxTid(i), 3, "vps_hrd_max_tid[i]"); } else { CHECK(pcVPS->getHrdMaxTid(i) != pcVPS->getMaxSubLayers() - 1, "When vps_default_ptl_dpb_hrd_max_tid_flag is equal to 1, the value of vps_hrd_max_tid[ i ] is inferred to be equal to vps_max_sublayers_minus1"); } uint32_t firstSublayer = pcVPS->getVPSSublayerCpbParamsPresentFlag() ? 0 : pcVPS->getHrdMaxTid(i); codeOlsHrdParameters(pcVPS->getGeneralHrdParameters(), pcVPS->getOlsHrdParameters(i),firstSublayer, pcVPS->getHrdMaxTid(i)); } if ((pcVPS->getNumOlsTimingHrdParamsMinus1() > 0) && ((pcVPS->getNumOlsTimingHrdParamsMinus1() + 1) != pcVPS->m_numMultiLayeredOlss)) { for (int i = 0; i < pcVPS->m_numMultiLayeredOlss; i++) { WRITE_UVLC(pcVPS->getOlsTimingHrdIdx(i), "vps_ols_timing_hrd_idx[i]"); } } } WRITE_FLAG(0, "vps_extension_flag"); //future extensions here.. xWriteRbspTrailingBits(); } void HLSWriter::codePictureHeader( PicHeader* picHeader, bool writeRbspTrailingBits, Slice *slice ) { const PPS *pps = nullptr; const SPS *sps = nullptr; #if ENABLE_TRACING xTracePictureHeader (); #endif if (!slice) { slice = picHeader->getPic()->cs->slice; } WRITE_FLAG(picHeader->getGdrOrIrapPicFlag(), "ph_gdr_or_irap_pic_flag"); WRITE_FLAG(picHeader->getNonReferencePictureFlag(), "ph_non_ref_pic_flag"); if (picHeader->getGdrOrIrapPicFlag()) { WRITE_FLAG(picHeader->getGdrPicFlag(), "ph_gdr_pic_flag"); } // Q0781, two-flags WRITE_FLAG(picHeader->getPicInterSliceAllowedFlag(), "ph_inter_slice_allowed_flag"); if (picHeader->getPicInterSliceAllowedFlag()) { WRITE_FLAG(picHeader->getPicIntraSliceAllowedFlag(), "ph_intra_slice_allowed_flag"); } // parameter sets WRITE_UVLC(picHeader->getPPSId(), "ph_pic_parameter_set_id"); pps = slice->getPPS(); CHECK(pps == 0, "Invalid PPS"); sps = slice->getSPS(); CHECK(sps == 0, "Invalid SPS"); int pocBits = slice->getSPS()->getBitsForPOC(); int pocMask = (1 << pocBits) - 1; WRITE_CODE(slice->getPOC() & pocMask, pocBits, "ph_pic_order_cnt_lsb"); if( picHeader->getGdrPicFlag() ) { WRITE_UVLC(picHeader->getRecoveryPocCnt(), "ph_recovery_poc_cnt"); } else { picHeader->setRecoveryPocCnt( -1 ); } #if GDR_ENC_TRACE printf("-gdr_pic_flag:%d\n", picHeader->getGdrPicFlag()); printf("-recovery_poc_cnt:%d\n", picHeader->getRecoveryPocCnt()); printf("-InGdrInterval:%d\n", picHeader->getInGdrInterval()); #endif // PH extra bits are not written in the reference encoder // as these bits are reserved for future extensions // for( i = 0; i < NumExtraPhBits; i++ ) // ph_extra_bit[ i ] if (sps->getPocMsbCycleFlag()) { WRITE_FLAG(picHeader->getPocMsbPresentFlag(), "ph_poc_msb_present_flag"); if (picHeader->getPocMsbPresentFlag()) { WRITE_CODE(picHeader->getPocMsbVal(), sps->getPocMsbCycleLen(), "ph_poc_msb_cycle_val"); } } // alf enable flags and aps IDs if( sps->getALFEnabledFlag() ) { if (pps->getAlfInfoInPhFlag()) { WRITE_FLAG(picHeader->getAlfEnabledFlag(COMPONENT_Y), "ph_alf_enabled_flag"); if (picHeader->getAlfEnabledFlag(COMPONENT_Y)) { WRITE_CODE(picHeader->getNumAlfApsIdsLuma(), 3, "ph_num_alf_aps_ids_luma"); const std::vector<int>& apsId = picHeader->getAlfApsIdsLuma(); for (int i = 0; i < picHeader->getNumAlfApsIdsLuma(); i++) { WRITE_CODE(apsId[i], 3, "ph_alf_aps_id_luma"); } const int alfChromaIdc = picHeader->getAlfEnabledFlag(COMPONENT_Cb) + picHeader->getAlfEnabledFlag(COMPONENT_Cr) * 2 ; if (sps->getChromaFormatIdc() != CHROMA_400) { WRITE_CODE(picHeader->getAlfEnabledFlag(COMPONENT_Cb), 1, "ph_alf_cb_enabled_flag"); WRITE_CODE(picHeader->getAlfEnabledFlag(COMPONENT_Cr), 1, "ph_alf_cr_enabled_flag"); } if (alfChromaIdc) { WRITE_CODE(picHeader->getAlfApsIdChroma(), 3, "ph_alf_aps_id_chroma"); } 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"); } } } } else { picHeader->setAlfEnabledFlag(COMPONENT_Y, true); picHeader->setAlfEnabledFlag(COMPONENT_Cb, true); picHeader->setAlfEnabledFlag(COMPONENT_Cr, true); picHeader->setCcAlfEnabledFlag(COMPONENT_Cb, sps->getCCALFEnabledFlag()); picHeader->setCcAlfEnabledFlag(COMPONENT_Cr, sps->getCCALFEnabledFlag()); } } else { picHeader->setAlfEnabledFlag(COMPONENT_Y, false); picHeader->setAlfEnabledFlag(COMPONENT_Cb, false); picHeader->setAlfEnabledFlag(COMPONENT_Cr, false); picHeader->setCcAlfEnabledFlag(COMPONENT_Cb, false); picHeader->setCcAlfEnabledFlag(COMPONENT_Cr, false); } // luma mapping / chroma scaling controls if (sps->getUseLmcs()) { WRITE_FLAG(picHeader->getLmcsEnabledFlag(), "ph_lmcs_enabled_flag"); if (picHeader->getLmcsEnabledFlag()) { WRITE_CODE(picHeader->getLmcsAPSId(), 2, "ph_lmcs_aps_id"); if (sps->getChromaFormatIdc() != CHROMA_400) { WRITE_FLAG(picHeader->getLmcsChromaResidualScaleFlag(), "ph_chroma_residual_scale_flag"); } else { picHeader->setLmcsChromaResidualScaleFlag(false); } } } else { picHeader->setLmcsEnabledFlag(false); picHeader->setLmcsChromaResidualScaleFlag(false); } #if GDR_ENC_TRACE printf("-pic_lmcs_enabled_flag:%d\n", picHeader->getLmcsEnabledFlag() ? 1 : 0); printf("-pic_chroma_residual_scale_flag:%d\n", picHeader->getLmcsChromaResidualScaleFlag() ? 1 : 0); #endif // quantization scaling lists if( sps->getScalingListFlag() ) { WRITE_FLAG( picHeader->getExplicitScalingListEnabledFlag(), "ph_scaling_list_present_flag" ); if( picHeader->getExplicitScalingListEnabledFlag() ) { WRITE_CODE( picHeader->getScalingListAPSId(), 3, "ph_scaling_list_aps_id" ); } } else { picHeader->setExplicitScalingListEnabledFlag( false ); } // virtual boundaries if( sps->getVirtualBoundariesEnabledFlag() && !sps->getVirtualBoundariesPresentFlag() ) { WRITE_FLAG( picHeader->getVirtualBoundariesPresentFlag(), "ph_virtual_boundaries_present_flag" ); if( picHeader->getVirtualBoundariesPresentFlag() ) { #if GDR_ENABLED if (sps->getGDREnabledFlag()) { int n = picHeader->getNumVerVirtualBoundaries(); for (unsigned i = 0; i < n; i++) { if (picHeader->getVirtualBoundariesPosX(i) == pps->getPicWidthInLumaSamples()) { n = n - 1; } } WRITE_UVLC(n, "ph_num_ver_virtual_boundaries"); if (pps->getPicWidthInLumaSamples() <= 8) { CHECK(picHeader->getNumVerVirtualBoundaries() != 0, "PH: When picture width is less than or equal to 8, the number of vertical virtual boundaries shall be equal to 0"); } else { CHECK(picHeader->getNumVerVirtualBoundaries() > 3, "PH: The number of vertical virtual boundaries shall be in the range of 0 to 3"); } for (unsigned i = 0; i < picHeader->getNumVerVirtualBoundaries(); i++) { if (picHeader->getVirtualBoundariesPosX(i) != pps->getPicWidthInLumaSamples()) { WRITE_UVLC((picHeader->getVirtualBoundariesPosX(i) >> 3) - 1, "ph_virtual_boundary_pos_x_minus1[i]"); CHECK(((picHeader->getVirtualBoundariesPosX(i) >> 3) - 1) > (((pps->getPicWidthInLumaSamples() + 7) >> 3) - 2), "The value of ph_virtual_boundary_pos_x_minus1[ i ] shall be in the range of 0 to Ceil( pps_pic_width_in_luma_samples / 8 ) - 2, inclusive."); } } } else { WRITE_UVLC(picHeader->getNumVerVirtualBoundaries(), "ph_num_ver_virtual_boundaries"); if (pps->getPicWidthInLumaSamples() <= 8) { CHECK(picHeader->getNumVerVirtualBoundaries() != 0, "PH: When picture width is less than or equal to 8, the number of vertical virtual boundaries shall be equal to 0"); } else { CHECK(picHeader->getNumVerVirtualBoundaries() > 3, "PH: The number of vertical virtual boundaries shall be in the range of 0 to 3"); } for (unsigned i = 0; i < picHeader->getNumVerVirtualBoundaries(); i++) { WRITE_UVLC((picHeader->getVirtualBoundariesPosX(i) >> 3) - 1, "ph_virtual_boundary_pos_x_minus1[i]"); CHECK(((picHeader->getVirtualBoundariesPosX(i) >> 3) - 1) > (((pps->getPicWidthInLumaSamples() + 7) >> 3) - 2), "The value of ph_virtual_boundary_pos_x_minus1[ i ] shall be in the range of 0 to Ceil( pps_pic_width_in_luma_samples / 8 ) - 2, inclusive."); } } #else WRITE_UVLC(picHeader->getNumVerVirtualBoundaries(), "ph_num_ver_virtual_boundaries"); if (pps->getPicWidthInLumaSamples() <= 8) { CHECK(picHeader->getNumVerVirtualBoundaries() != 0, "PH: When picture width is less than or equal to 8, the number of vertical virtual boundaries shall be equal to 0"); } else { CHECK(picHeader->getNumVerVirtualBoundaries() > 3, "PH: The number of vertical virtual boundaries shall be in the range of 0 to 3"); } for( unsigned i = 0; i < picHeader->getNumVerVirtualBoundaries(); i++ ) { WRITE_UVLC((picHeader->getVirtualBoundariesPosX(i) >> 3) - 1, "ph_virtual_boundary_pos_x_minus1[i]"); CHECK(((picHeader->getVirtualBoundariesPosX(i)>>3) - 1) > (((pps->getPicWidthInLumaSamples() + 7) >> 3) - 2), "The value of ph_virtual_boundary_pos_x_minus1[ i ] shall be in the range of 0 to Ceil( pps_pic_width_in_luma_samples / 8 ) - 2, inclusive."); } #endif WRITE_UVLC(picHeader->getNumHorVirtualBoundaries(), "ph_num_hor_virtual_boundaries"); if (pps->getPicHeightInLumaSamples() <= 8) { CHECK(picHeader->getNumHorVirtualBoundaries() != 0, "PH: When picture width is less than or equal to 8, the number of horizontal virtual boundaries shall be equal to 0"); } else { CHECK(picHeader->getNumHorVirtualBoundaries() > 3, "PH: The number of horizontal virtual boundaries shall be in the range of 0 to 3"); } for( unsigned i = 0; i < picHeader->getNumHorVirtualBoundaries(); i++ ) { WRITE_UVLC((picHeader->getVirtualBoundariesPosY(i)>>3) - 1, "ph_virtual_boundary_pos_y_minus1[i]"); CHECK(((picHeader->getVirtualBoundariesPosY(i)>>3) - 1) > (((pps->getPicHeightInLumaSamples() + 7) >> 3) - 2), "The value of ph_virtual_boundary_pos_y_minus1[ i ] shall be in the range of 0 to Ceil( pps_pic_height_in_luma_samples / 8 ) - 2, inclusive."); } } else { picHeader->setVirtualBoundariesPresentFlag( 0 ); picHeader->setNumVerVirtualBoundaries( 0 ); picHeader->setNumHorVirtualBoundaries( 0 ); } } else { picHeader->setVirtualBoundariesPresentFlag( sps->getVirtualBoundariesPresentFlag() ); if( picHeader->getVirtualBoundariesPresentFlag() ) { 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 ); } } } // picture output flag if (pps->getOutputFlagPresentFlag() && !picHeader->getNonReferencePictureFlag()) { WRITE_FLAG( picHeader->getPicOutputFlag(), "ph_pic_output_flag" ); } else { picHeader->setPicOutputFlag(true); } // reference picture lists if (pps->getRplInfoInPhFlag()) { // List0 and List1 for(int listIdx = 0; listIdx < 2; listIdx++) { if(sps->getNumRPL(listIdx) > 0 && (listIdx == 0 || (listIdx == 1 && pps->getRpl1IdxPresentFlag()))) { WRITE_FLAG(picHeader->getRPLIdx(listIdx) != -1 ? 1 : 0, "rpl_sps_flag[i]"); } else if(sps->getNumRPL(listIdx) == 0) { CHECK(picHeader->getRPLIdx(listIdx) != -1, "rpl_sps_flag[1] will be infer to 0 and this is not what was expected"); } else if(listIdx == 1) { auto rplsSpsFlag0 = picHeader->getRPLIdx(0) != -1 ? 1 : 0; auto rplsSpsFlag1 = picHeader->getRPLIdx(1) != -1 ? 1 : 0; CHECK(rplsSpsFlag1 != rplsSpsFlag0, "rpl_sps_flag[1] will be infer to 0 and this is not what was expected"); } if(picHeader->getRPLIdx(listIdx) != -1) { if(sps->getNumRPL(listIdx) > 1 && (listIdx == 0 || (listIdx == 1 && pps->getRpl1IdxPresentFlag()))) { int numBits = ceilLog2(sps->getNumRPL( listIdx )); WRITE_CODE(picHeader->getRPLIdx(listIdx), numBits, "rpl_idx[i]"); } else if(sps->getNumRPL(listIdx) == 1) { CHECK(picHeader->getRPLIdx(listIdx) != 0, "RPL1Idx is not signalled but it is not equal to 0"); } else { CHECK(picHeader->getRPL1idx() != picHeader->getRPL0idx(), "RPL1Idx is not signalled but it is not the same as RPL0Idx"); } } // explicit RPL in picture header else { xCodeRefPicList( picHeader->getRPL(listIdx), sps->getLongTermRefsPresent(), sps->getBitsForPOC(), !sps->getUseWP() && !sps->getUseWPBiPred(), -1); } // POC MSB cycle signalling for LTRP if (picHeader->getRPL(listIdx) && 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(), "poc_lsb_lt[listIdx][rplsIdx][j]"); } WRITE_FLAG(picHeader->getRPL(listIdx)->getDeltaPocMSBPresentFlag(i) ? 1 : 0, "delta_poc_msb_present_flag[i][j]"); if (picHeader->getRPL(listIdx)->getDeltaPocMSBPresentFlag(i)) { WRITE_UVLC(picHeader->getRPL(listIdx)->getDeltaPocMSBCycleLT(i), "delta_poc_msb_cycle_lt[i][j]"); } } } } } } // partitioning constraint overrides if (sps->getSplitConsOverrideEnabledFlag()) { WRITE_FLAG(picHeader->getSplitConsOverrideFlag(), "ph_partition_constraints_override_flag"); } else { picHeader->setSplitConsOverrideFlag(0); } // Q0781, two-flags if (picHeader->getPicIntraSliceAllowedFlag()) { if (picHeader->getSplitConsOverrideFlag()) { WRITE_UVLC(floorLog2(picHeader->getMinQTSize(I_SLICE)) - sps->getLog2MinCodingBlockSize(), "ph_log2_diff_min_qt_min_cb_intra_slice_luma"); WRITE_UVLC(picHeader->getMaxMTTHierarchyDepth(I_SLICE), "ph_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)), "ph_log2_diff_max_bt_min_qt_intra_slice_luma"); WRITE_UVLC(floorLog2(picHeader->getMaxTTSize(I_SLICE)) - floorLog2(picHeader->getMinQTSize(I_SLICE)), "ph_log2_diff_max_tt_min_qt_intra_slice_luma"); } if (sps->getUseDualITree()) { WRITE_UVLC(floorLog2(picHeader->getMinQTSize(I_SLICE, CHANNEL_TYPE_CHROMA)) - sps->getLog2MinCodingBlockSize(), "ph_log2_diff_min_qt_min_cb_intra_slice_chroma"); WRITE_UVLC(picHeader->getMaxMTTHierarchyDepth(I_SLICE, CHANNEL_TYPE_CHROMA), "ph_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)), "ph_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)), "ph_log2_diff_max_tt_min_qt_intra_slice_chroma"); } } } } if (picHeader->getPicIntraSliceAllowedFlag()) { // delta quantization and chrom and chroma offset if (pps->getUseDQP()) { WRITE_UVLC( picHeader->getCuQpDeltaSubdivIntra(), "ph_cu_qp_delta_subdiv_intra_slice" ); } else { picHeader->setCuQpDeltaSubdivIntra( 0 ); } if (pps->getCuChromaQpOffsetListEnabledFlag()) { WRITE_UVLC( picHeader->getCuChromaQpOffsetSubdivIntra(), "ph_cu_chroma_qp_offset_subdiv_intra_slice" ); } } if (picHeader->getPicInterSliceAllowedFlag()) { if (picHeader->getSplitConsOverrideFlag()) { WRITE_UVLC(floorLog2(picHeader->getMinQTSize(P_SLICE)) - sps->getLog2MinCodingBlockSize(), "ph_log2_diff_min_qt_min_cb_inter_slice"); WRITE_UVLC(picHeader->getMaxMTTHierarchyDepth(P_SLICE), "ph_max_mtt_hierarchy_depth_inter_slice"); if (picHeader->getMaxMTTHierarchyDepth(P_SLICE) != 0) { WRITE_UVLC(floorLog2(picHeader->getMaxBTSize(P_SLICE)) - floorLog2(picHeader->getMinQTSize(P_SLICE)), "ph_log2_diff_max_bt_min_qt_inter_slice"); WRITE_UVLC(floorLog2(picHeader->getMaxTTSize(P_SLICE)) - floorLog2(picHeader->getMinQTSize(P_SLICE)), "ph_log2_diff_max_tt_min_qt_inter_slice"); } } // delta quantization and chrom and chroma offset if (pps->getUseDQP()) { WRITE_UVLC(picHeader->getCuQpDeltaSubdivInter(), "ph_cu_qp_delta_subdiv_inter_slice"); } else { picHeader->setCuQpDeltaSubdivInter(0); } if (pps->getCuChromaQpOffsetListEnabledFlag()) { WRITE_UVLC(picHeader->getCuChromaQpOffsetSubdivInter(), "ph_cu_chroma_qp_offset_subdiv_inter_slice"); } // temporal motion vector prediction if (sps->getSPSTemporalMVPEnabledFlag()) { WRITE_FLAG( picHeader->getEnableTMVPFlag(), "ph_temporal_mvp_enabled_flag" ); if (picHeader->getEnableTMVPFlag() && pps->getRplInfoInPhFlag()) { if (picHeader->getRPL(1)->getNumRefEntries() > 0) { WRITE_CODE(picHeader->getPicColFromL0Flag(), 1, "ph_collocated_from_l0_flag"); } if ((picHeader->getPicColFromL0Flag() && picHeader->getRPL(0)->getNumRefEntries() > 1) || (!picHeader->getPicColFromL0Flag() && picHeader->getRPL(1)->getNumRefEntries() > 1)) { WRITE_UVLC(picHeader->getColRefIdx(), "ph_collocated_ref_idx"); } } } else { picHeader->setEnableTMVPFlag(false); } // merge candidate list size // subblock merge candidate list size if ( sps->getUseAffine() ) { picHeader->setMaxNumAffineMergeCand(sps->getMaxNumAffineMergeCand()); } else { picHeader->setMaxNumAffineMergeCand(sps->getSbTMVPEnabledFlag() && picHeader->getEnableTMVPFlag()); } // full-pel MMVD flag if (sps->getFpelMmvdEnabledFlag()) { WRITE_FLAG( picHeader->getDisFracMMVD(), "ph_fpel_mmvd_enabled_flag" ); } else { picHeader->setDisFracMMVD(false); } // mvd L1 zero flag if (!pps->getRplInfoInPhFlag() || picHeader->getRPL(1)->getNumRefEntries() > 0) { WRITE_FLAG(picHeader->getMvdL1ZeroFlag(), "ph_mvd_l1_zero_flag"); } // picture level BDOF disable flags if (sps->getBdofControlPresentInPhFlag() && (!pps->getRplInfoInPhFlag() || picHeader->getRPL(1)->getNumRefEntries() > 0)) { WRITE_FLAG(picHeader->getBdofDisabledFlag(), "ph_bdof_disabled_flag"); } else { picHeader->setBdofDisabledFlag(0); } // picture level DMVR disable flags if (sps->getDmvrControlPresentInPhFlag() && (!pps->getRplInfoInPhFlag() || picHeader->getRPL(1)->getNumRefEntries() > 0)) { WRITE_FLAG(picHeader->getDmvrDisabledFlag(), "ph_dmvr_disabled_flag"); } else { picHeader->setDmvrDisabledFlag(0); } // picture level PROF disable flags if (sps->getProfControlPresentInPhFlag()) { WRITE_FLAG(picHeader->getProfDisabledFlag(), "ph_prof_disabled_flag"); } if ((pps->getUseWP() || pps->getWPBiPred()) && pps->getWpInfoInPhFlag()) { xCodePredWeightTable(picHeader, pps, sps); } } // 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()); } // ibc merge candidate list size if (pps->getQpDeltaInfoInPhFlag()) { WRITE_SVLC(picHeader->getQpDelta(), "ph_qp_delta"); } // joint Cb/Cr sign flag if (sps->getJointCbCrEnabledFlag()) { WRITE_FLAG( picHeader->getJointCbCrSignFlag(), "ph_joint_cbcr_sign_flag" ); } else { picHeader->setJointCbCrSignFlag(false); } // sao enable flags if(sps->getSAOEnabledFlag()) { if (pps->getSaoInfoInPhFlag()) { WRITE_FLAG(picHeader->getSaoEnabledFlag(CHANNEL_TYPE_LUMA), "ph_sao_luma_enabled_flag"); if (sps->getChromaFormatIdc() != CHROMA_400) { WRITE_FLAG(picHeader->getSaoEnabledFlag(CHANNEL_TYPE_CHROMA), "ph_sao_chroma_enabled_flag"); } } 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); } // deblocking filter controls if (pps->getDeblockingFilterControlPresentFlag()) { if ( pps->getDbfInfoInPhFlag() ) { WRITE_FLAG( picHeader->getDeblockingFilterOverrideFlag(), "ph_deblocking_params_present_flag" ); } else { picHeader->setDeblockingFilterOverrideFlag(false); } if(picHeader->getDeblockingFilterOverrideFlag()) { if (!pps->getPPSDeblockingFilterDisabledFlag()) { 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" ); if( pps->getPPSChromaToolFlag() ) { WRITE_SVLC( picHeader->getDeblockingFilterCbBetaOffsetDiv2(), "ph_cb_beta_offset_div2" ); WRITE_SVLC( picHeader->getDeblockingFilterCbTcOffsetDiv2(), "ph_cb_tc_offset_div2" ); WRITE_SVLC( picHeader->getDeblockingFilterCrBetaOffsetDiv2(), "ph_cr_beta_offset_div2" ); WRITE_SVLC( picHeader->getDeblockingFilterCrTcOffsetDiv2(), "ph_cr_tc_offset_div2" ); } } } else { picHeader->setDeblockingFilterDisable ( pps->getPPSDeblockingFilterDisabledFlag() ); picHeader->setDeblockingFilterBetaOffsetDiv2( pps->getDeblockingFilterBetaOffsetDiv2() ); picHeader->setDeblockingFilterTcOffsetDiv2 ( pps->getDeblockingFilterTcOffsetDiv2() ); picHeader->setDeblockingFilterCbBetaOffsetDiv2( pps->getDeblockingFilterCbBetaOffsetDiv2() ); picHeader->setDeblockingFilterCbTcOffsetDiv2 ( pps->getDeblockingFilterCbTcOffsetDiv2() ); picHeader->setDeblockingFilterCrBetaOffsetDiv2( pps->getDeblockingFilterCrBetaOffsetDiv2() ); picHeader->setDeblockingFilterCrTcOffsetDiv2 ( pps->getDeblockingFilterCrTcOffsetDiv2() ); } } else { picHeader->setDeblockingFilterDisable ( false ); picHeader->setDeblockingFilterBetaOffsetDiv2( 0 ); picHeader->setDeblockingFilterTcOffsetDiv2 ( 0 ); picHeader->setDeblockingFilterCbBetaOffsetDiv2( 0 ); picHeader->setDeblockingFilterCbTcOffsetDiv2 ( 0 ); picHeader->setDeblockingFilterCrBetaOffsetDiv2( 0 ); picHeader->setDeblockingFilterCrTcOffsetDiv2 ( 0 ); } // picture header extension if(pps->getPictureHeaderExtensionPresentFlag()) { WRITE_UVLC(0,"ph_extension_length"); } if ( writeRbspTrailingBits ) { xWriteRbspTrailingBits(); } } void HLSWriter::codeSliceHeader ( Slice* pcSlice, PicHeader *picHeader ) { #if ENABLE_TRACING xTraceSliceHeader (); #endif if (!picHeader) { CodingStructure& cs = *pcSlice->getPic()->cs; picHeader = cs.picHeader; } const ChromaFormat format = pcSlice->getSPS()->getChromaFormatIdc(); const uint32_t numberValidComponents = getNumberValidComponents(format); const bool chromaEnabled = isChromaEnabled(format); WRITE_FLAG(pcSlice->getPictureHeaderInSliceHeader() ? 1 : 0, "sh_picture_header_in_slice_header_flag"); if (pcSlice->getPictureHeaderInSliceHeader()) { codePictureHeader(picHeader, false); } if (pcSlice->getSPS()->getSubPicInfoPresentFlag()) { uint32_t bitsSubPicId; bitsSubPicId = pcSlice->getSPS()->getSubPicIdLen(); WRITE_CODE(pcSlice->getSliceSubPicId(), bitsSubPicId, "sh_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, "sh_slice_address"); if ((int)pcSlice->getPPS()->getNumTiles() - (int)pcSlice->getSliceID() > 1) { WRITE_UVLC(pcSlice->getNumTilesInSlice() - 1, "sh_num_tiles_in_slice_minus1"); } } } // rectangular slices else { // slice address is the index of the slice within the current sub-picture uint32_t currSubPicIdx = pcSlice->getPPS()->getSubPicIdxFromSubPicId( pcSlice->getSliceSubPicId() ); SubPic currSubPic = pcSlice->getPPS()->getSubPic(currSubPicIdx); if( currSubPic.getNumSlicesInSubPic() > 1 ) { int numSlicesInPreviousSubPics = 0; for(int sp = 0; sp < currSubPicIdx; sp++) { numSlicesInPreviousSubPics += pcSlice->getPPS()->getSubPic(sp).getNumSlicesInSubPic(); } int bitsSliceAddress = ceilLog2(currSubPic.getNumSlicesInSubPic()); WRITE_CODE( pcSlice->getSliceID() - numSlicesInPreviousSubPics, bitsSliceAddress, "sh_slice_address"); } } if (picHeader->getPicInterSliceAllowedFlag()) { WRITE_UVLC(pcSlice->getSliceType(), "sh_slice_type"); } if (pcSlice->getNalUnitType() == NAL_UNIT_CODED_SLICE_CRA || pcSlice->getNalUnitType() == NAL_UNIT_CODED_SLICE_IDR_N_LP || pcSlice->getNalUnitType() == NAL_UNIT_CODED_SLICE_IDR_W_RADL || pcSlice->getNalUnitType() == NAL_UNIT_CODED_SLICE_GDR) { WRITE_FLAG(pcSlice->getNoOutputOfPriorPicsFlag(), "sh_no_output_of_prior_pics_flag"); } if (!picHeader->getPicIntraSliceAllowedFlag()) { CHECK(pcSlice->getSliceType() == I_SLICE, "when ph_intra_slice_allowed_flag = 0, no I_Slice is allowed"); } if (pcSlice->getSPS()->getALFEnabledFlag() && !pcSlice->getPPS()->getAlfInfoInPhFlag()) { const int alfEnabled = pcSlice->getAlfEnabledFlag(COMPONENT_Y); WRITE_FLAG(alfEnabled, "sh_alf_enabled_flag"); if (alfEnabled) { WRITE_CODE(pcSlice->getNumAlfApsIdsLuma(), 3, "sh_num_alf_aps_ids_luma"); const std::vector<int>& apsId = pcSlice->getAlfApsIdsLuma(); for (int i = 0; i < pcSlice->getNumAlfApsIdsLuma(); i++) { #if JVET_X0143_ALF_APS_ID_OFFSET WRITE_CODE((apsId[i] + JVET_X0143_ALF_APS_ID_OFFSET ) % 8, 3, "sh_alf_aps_id_luma[i]"); #else WRITE_CODE(apsId[i], 3, "sh_alf_aps_id_luma[i]"); #endif } const int alfChromaIdc = pcSlice->getAlfEnabledFlag(COMPONENT_Cb) + pcSlice->getAlfEnabledFlag(COMPONENT_Cr) * 2; if (chromaEnabled) { WRITE_CODE(pcSlice->getAlfEnabledFlag(COMPONENT_Cb), 1, "sh_alf_cb_enabled_flag"); WRITE_CODE(pcSlice->getAlfEnabledFlag(COMPONENT_Cr), 1, "sh_alf_cr_enabled_flag"); } if (alfChromaIdc) { #if JVET_X0143_ALF_APS_ID_OFFSET WRITE_CODE((pcSlice->getAlfApsIdChroma() + JVET_X0143_ALF_APS_ID_OFFSET ) % 8, 3, "sh_alf_aps_id_chroma"); #else WRITE_CODE(pcSlice->getAlfApsIdChroma(), 3, "sh_alf_aps_id_chroma"); #endif } if (pcSlice->getSPS()->getCCALFEnabledFlag()) { CcAlfFilterParam &filterParam = pcSlice->m_ccAlfFilterParam; WRITE_FLAG(filterParam.ccAlfFilterEnabled[COMPONENT_Cb - 1] ? 1 : 0, "sh_alf_cc_cb_enabled_flag"); if (filterParam.ccAlfFilterEnabled[COMPONENT_Cb - 1]) { // write CC ALF Cb APS ID #if JVET_X0143_ALF_APS_ID_OFFSET WRITE_CODE((pcSlice->getCcAlfCbApsId() + JVET_X0143_ALF_APS_ID_OFFSET ) % 8, 3, "sh_alf_cc_cb_aps_id"); #else WRITE_CODE(pcSlice->getCcAlfCbApsId(), 3, "sh_alf_cc_cb_aps_id"); #endif } // Cr WRITE_FLAG(filterParam.ccAlfFilterEnabled[COMPONENT_Cr - 1] ? 1 : 0, "sh_alf_cc_cr_enabled_flag"); if (filterParam.ccAlfFilterEnabled[COMPONENT_Cr - 1]) { // write CC ALF Cr APS ID #if JVET_X0143_ALF_APS_ID_OFFSET WRITE_CODE((pcSlice->getCcAlfCrApsId() + JVET_X0143_ALF_APS_ID_OFFSET ) % 8, 3, "sh_alf_cc_cr_aps_id"); #else WRITE_CODE(pcSlice->getCcAlfCrApsId(), 3, "sh_alf_cc_cr_aps_id"); #endif } } } } if (picHeader->getLmcsEnabledFlag() && !pcSlice->getPictureHeaderInSliceHeader()) { WRITE_FLAG(pcSlice->getLmcsEnabledFlag(), "sh_lmcs_used_flag"); } if (picHeader->getExplicitScalingListEnabledFlag() && !pcSlice->getPictureHeaderInSliceHeader()) { WRITE_FLAG(pcSlice->getExplicitScalingListUsed(), "sh_explicit_scaling_list_used_flag"); } if( !pcSlice->getPPS()->getRplInfoInPhFlag() && (!pcSlice->getIdrPicFlag() || pcSlice->getSPS()->getIDRRefParamListPresent())) { //Write L0 related syntax elements if (pcSlice->getSPS()->getNumRPL0() > 0) { 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(), -1); } //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->getRPL0()->getDeltaPocMSBPresentFlag(i) ? 1 : 0, "delta_poc_msb_present_flag[i][j]"); if (pcSlice->getRPL0()->getDeltaPocMSBPresentFlag(i)) { WRITE_UVLC(pcSlice->getRPL0()->getDeltaPocMSBCycleLT(i), "delta_poc_msb_cycle_lt[i][j]"); } } } } //Write L1 related syntax elements if (pcSlice->getSPS()->getNumRPL1() > 0 && pcSlice->getPPS()->getRpl1IdxPresentFlag()) { WRITE_FLAG(pcSlice->getRPL1idx() != -1 ? 1 : 0, "ref_pic_list_sps_flag[1]"); } else if (pcSlice->getSPS()->getNumRPL1() == 0) { CHECK(pcSlice->getRPL1idx() != -1, "rpl_sps_flag[1] will be infer to 0 and this is not what was expected"); } else { auto rplsSpsFlag0 = pcSlice->getRPL0idx() != -1 ? 1 : 0; auto rplsSpsFlag1 = pcSlice->getRPL1idx() != -1 ? 1 : 0; CHECK(rplsSpsFlag1 != rplsSpsFlag0, "rpl_sps_flag[1] will be infer to 0 and this is not what was expected"); } if (pcSlice->getRPL1idx() != -1) { if (pcSlice->getSPS()->getNumRPL1() > 1 && pcSlice->getPPS()->getRpl1IdxPresentFlag()) { int numBits = 0; while ((1 << numBits) < pcSlice->getSPS()->getNumRPL1()) { numBits++; } WRITE_CODE(pcSlice->getRPL1idx(), numBits, "ref_pic_list_idx[1]"); } else if (pcSlice->getSPS()->getNumRPL1() == 1) { CHECK(pcSlice->getRPL1idx() != 0, "RPL1Idx is not signalled but it is not equal to 0"); } else { CHECK(pcSlice->getRPL1idx() != pcSlice->getRPL0idx(), "RPL1Idx is not signalled but it is not the same as RPL0Idx"); } } else { //write local RPL1 xCodeRefPicList( pcSlice->getRPL1(), pcSlice->getSPS()->getLongTermRefsPresent(), pcSlice->getSPS()->getBitsForPOC(), !pcSlice->getSPS()->getUseWP() && !pcSlice->getSPS()->getUseWPBiPred(), -1); } //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->getRPL1()->getDeltaPocMSBPresentFlag(i) ? 1 : 0, "delta_poc_msb_present_flag[i][j]"); if (pcSlice->getRPL1()->getDeltaPocMSBPresentFlag(i)) { WRITE_UVLC(pcSlice->getRPL1()->getDeltaPocMSBCycleLT(i), "delta_poc_msb_cycle_lt[i][j]"); } } } } } //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, "sh_num_ref_idx_active_override_flag" ); if( overrideFlag ) { if(pcSlice->getRPL0()->getNumRefEntries() > 1) { WRITE_UVLC( pcSlice->getNumRefIdx( REF_PIC_LIST_0 ) - 1, "sh_num_ref_idx_active_minus1[0]" ); } else { pcSlice->setNumRefIdx( REF_PIC_LIST_0, 1); } if( pcSlice->isInterB() && pcSlice->getRPL1()->getNumRefEntries() > 1) { WRITE_UVLC( pcSlice->getNumRefIdx( REF_PIC_LIST_1 ) - 1, "sh_num_ref_idx_active_minus1[1]" ); } 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, "sh_cabac_init_flag" ); } } if (pcSlice->getPicHeader()->getEnableTMVPFlag() && !pcSlice->getPPS()->getRplInfoInPhFlag()) { if(!pcSlice->getPPS()->getRplInfoInPhFlag()) { if (pcSlice->getSliceType() == B_SLICE) { WRITE_FLAG(pcSlice->getColFromL0Flag(), "sh_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(), "sh_collocated_ref_idx" ); } } if( ( pcSlice->getPPS()->getUseWP() && pcSlice->getSliceType() == P_SLICE ) || ( pcSlice->getPPS()->getWPBiPred() && pcSlice->getSliceType() == B_SLICE ) ) { if( !pcSlice->getPPS()->getWpInfoInPhFlag() ) { xCodePredWeightTable(pcSlice); } } if (!pcSlice->getPPS()->getQpDeltaInfoInPhFlag()) { WRITE_SVLC(pcSlice->getSliceQp() - (pcSlice->getPPS()->getPicInitQPMinus26() + 26), "sh_qp_delta"); } if (pcSlice->getPPS()->getSliceChromaQpFlag()) { if (numberValidComponents > COMPONENT_Cb) { WRITE_SVLC( pcSlice->getSliceChromaQpDelta(COMPONENT_Cb), "sh_cb_qp_offset" ); } if (numberValidComponents > COMPONENT_Cr) { WRITE_SVLC( pcSlice->getSliceChromaQpDelta(COMPONENT_Cr), "sh_cr_qp_offset" ); if (pcSlice->getSPS()->getJointCbCrEnabledFlag()) { WRITE_SVLC( pcSlice->getSliceChromaQpDelta(JOINT_CbCr), "sh_joint_cbcr_qp_offset"); } } CHECK(numberValidComponents < COMPONENT_Cr+1, "Too many valid components"); } if (pcSlice->getPPS()->getCuChromaQpOffsetListEnabledFlag()) { WRITE_FLAG(pcSlice->getUseChromaQpAdj(), "sh_cu_chroma_qp_offset_enabled_flag"); } if (pcSlice->getSPS()->getSAOEnabledFlag() && !pcSlice->getPPS()->getSaoInfoInPhFlag()) { WRITE_FLAG( pcSlice->getSaoEnabledFlag( CHANNEL_TYPE_LUMA ), "sh_sao_luma_used_flag" ); if( chromaEnabled ) { WRITE_FLAG( pcSlice->getSaoEnabledFlag( CHANNEL_TYPE_CHROMA ), "sh_sao_chroma_used_flag" ); } } if (pcSlice->getPPS()->getDeblockingFilterControlPresentFlag()) { if( pcSlice->getPPS()->getDeblockingFilterOverrideEnabledFlag() && !pcSlice->getPPS()->getDbfInfoInPhFlag() ) { WRITE_FLAG(pcSlice->getDeblockingFilterOverrideFlag(), "sh_deblocking_params_present_flag"); } else { pcSlice->setDeblockingFilterOverrideFlag(0); } if (pcSlice->getDeblockingFilterOverrideFlag()) { if (!pcSlice->getPPS()->getPPSDeblockingFilterDisabledFlag()) { WRITE_FLAG(pcSlice->getDeblockingFilterDisable(), "sh_deblocking_filter_disabled_flag"); } if(!pcSlice->getDeblockingFilterDisable()) { WRITE_SVLC (pcSlice->getDeblockingFilterBetaOffsetDiv2(), "sh_luma_beta_offset_div2"); WRITE_SVLC (pcSlice->getDeblockingFilterTcOffsetDiv2(), "sh_luma_tc_offset_div2"); if( pcSlice->getPPS()->getPPSChromaToolFlag() ) { WRITE_SVLC (pcSlice->getDeblockingFilterCbBetaOffsetDiv2(), "sh_cb_beta_offset_div2"); WRITE_SVLC (pcSlice->getDeblockingFilterCbTcOffsetDiv2(), "sh_cb_tc_offset_div2"); WRITE_SVLC (pcSlice->getDeblockingFilterCrBetaOffsetDiv2(), "sh_cr_beta_offset_div2"); WRITE_SVLC (pcSlice->getDeblockingFilterCrTcOffsetDiv2(), "sh_cr_tc_offset_div2"); } } } else { pcSlice->setDeblockingFilterDisable ( picHeader->getDeblockingFilterDisable() ); pcSlice->setDeblockingFilterBetaOffsetDiv2( picHeader->getDeblockingFilterBetaOffsetDiv2() ); pcSlice->setDeblockingFilterTcOffsetDiv2 ( picHeader->getDeblockingFilterTcOffsetDiv2() ); pcSlice->setDeblockingFilterCbBetaOffsetDiv2( picHeader->getDeblockingFilterCbBetaOffsetDiv2() ); pcSlice->setDeblockingFilterCbTcOffsetDiv2 ( picHeader->getDeblockingFilterCbTcOffsetDiv2() ); pcSlice->setDeblockingFilterCrBetaOffsetDiv2( picHeader->getDeblockingFilterCrBetaOffsetDiv2() ); pcSlice->setDeblockingFilterCrTcOffsetDiv2 ( picHeader->getDeblockingFilterCrTcOffsetDiv2() ); } } else { pcSlice->setDeblockingFilterDisable ( false ); pcSlice->setDeblockingFilterBetaOffsetDiv2( 0 ); pcSlice->setDeblockingFilterTcOffsetDiv2 ( 0 ); pcSlice->setDeblockingFilterCbBetaOffsetDiv2( 0 ); pcSlice->setDeblockingFilterCbTcOffsetDiv2 ( 0 ); pcSlice->setDeblockingFilterCrBetaOffsetDiv2( 0 ); pcSlice->setDeblockingFilterCrTcOffsetDiv2 ( 0 ); } // dependent quantization if( pcSlice->getSPS()->getDepQuantEnabledFlag() ) { WRITE_FLAG(pcSlice->getDepQuantEnabledFlag(), "sh_dep_quant_used_flag"); } else { pcSlice->setDepQuantEnabledFlag(false); } // sign data hiding if( pcSlice->getSPS()->getSignDataHidingEnabledFlag() && !pcSlice->getDepQuantEnabledFlag() ) { WRITE_FLAG(pcSlice->getSignDataHidingEnabledFlag(), "sh_sign_data_hiding_used_flag" ); } else { pcSlice->setSignDataHidingEnabledFlag(false); } // signal TS residual coding disabled flag if (pcSlice->getSPS()->getTransformSkipEnabledFlag() && !pcSlice->getDepQuantEnabledFlag() && !pcSlice->getSignDataHidingEnabledFlag()) { WRITE_FLAG(pcSlice->getTSResidualCodingDisabledFlag() ? 1 : 0, "sh_ts_residual_coding_disabled_flag"); } if ((!pcSlice->getTSResidualCodingDisabledFlag()) && (pcSlice->getSPS()->getSpsRangeExtension().getTSRCRicePresentFlag())) { WRITE_CODE(pcSlice->get_tsrc_index(), 3, "sh_ts_residual_coding_rice_idx_minus1"); } if (pcSlice->getSPS()->getSpsRangeExtension().getReverseLastSigCoeffEnabledFlag()) { WRITE_FLAG(pcSlice->getReverseLastSigCoeffFlag(), "sh_reverse_last_sig_coeff_flag"); } if(pcSlice->getPPS()->getSliceHeaderExtensionPresentFlag()) { WRITE_UVLC(0,"sh_slice_header_extension_length"); } } void HLSWriter::codeConstraintInfo ( const ConstraintInfo* cinfo, const ProfileTierLevel* ptl ) { WRITE_FLAG(cinfo->getGciPresentFlag(), "gci_present_flag"); if (cinfo->getGciPresentFlag()) { /* general */ WRITE_FLAG(cinfo->getIntraOnlyConstraintFlag() ? 1 : 0, "gci_intra_only_constraint_flag"); WRITE_FLAG(cinfo->getAllLayersIndependentConstraintFlag() ? 1 : 0, "gci_all_layers_independent_constraint_flag"); WRITE_FLAG(cinfo->getOnePictureOnlyConstraintFlag() ? 1 : 0, "gci_one_au_only_constraint_flag"); /* picture format */ WRITE_CODE(16 - cinfo->getMaxBitDepthConstraintIdc(), 4, "gci_sixteen_minus_max_bitdepth_constraint_idc"); WRITE_CODE(3 - cinfo->getMaxChromaFormatConstraintIdc(), 2, "gci_three_minus_max_chroma_format_constraint_idc"); /* NAL unit type related */ WRITE_FLAG(cinfo->getNoMixedNaluTypesInPicConstraintFlag() ? 1 : 0, "gci_no_mixed_nalu_types_in_pic_constraint_flag"); WRITE_FLAG(cinfo->getNoTrailConstraintFlag() ? 1 : 0, "gci_no_trail_constraint_flag"); WRITE_FLAG(cinfo->getNoStsaConstraintFlag() ? 1 : 0, "gci_no_stsa_constraint_flag"); WRITE_FLAG(cinfo->getNoRaslConstraintFlag() ? 1 : 0, "gci_no_rasl_constraint_flag"); WRITE_FLAG(cinfo->getNoRadlConstraintFlag() ? 1 : 0, "gci_no_radl_constraint_flag"); WRITE_FLAG(cinfo->getNoIdrConstraintFlag() ? 1 : 0, "gci_no_idr_constraint_flag"); WRITE_FLAG(cinfo->getNoCraConstraintFlag() ? 1 : 0, "gci_no_cra_constraint_flag"); WRITE_FLAG(cinfo->getNoGdrConstraintFlag() ? 1 : 0, "gci_no_gdr_constraint_flag"); WRITE_FLAG(cinfo->getNoApsConstraintFlag() ? 1 : 0, "gci_no_aps_constraint_flag"); WRITE_FLAG(cinfo->getNoIdrRplConstraintFlag() ? 1: 0, "gci_no_idr_rpl_constraint_flag"); /* tile, slice, subpicture partitioning */ WRITE_FLAG(cinfo->getOneTilePerPicConstraintFlag() ? 1 : 0, "gci_one_tile_per_pic_constraint_flag"); WRITE_FLAG(cinfo->getPicHeaderInSliceHeaderConstraintFlag() ? 1 : 0, "gci_pic_header_in_slice_header_constraint_flag"); WRITE_FLAG(cinfo->getOneSlicePerPicConstraintFlag() ? 1 : 0, "gci_one_slice_per_pic_constraint_flag"); WRITE_FLAG(cinfo->getNoRectSliceConstraintFlag() ? 1 : 0, "gci_no_rectangular_slice_constraint_flag"); WRITE_FLAG(cinfo->getOneSlicePerSubpicConstraintFlag() ? 1 : 0, "gci_one_slice_per_subpic_constraint_flag"); WRITE_FLAG(cinfo->getNoSubpicInfoConstraintFlag() ? 1 : 0, "gci_no_subpic_info_constraint_flag"); /* CTU and block partitioning */ WRITE_CODE(3 - (cinfo->getMaxLog2CtuSizeConstraintIdc() - 5), 2, "gci_three_minus_max_log2_ctu_size_constraint_idc"); WRITE_FLAG(cinfo->getNoPartitionConstraintsOverrideConstraintFlag() ? 1 : 0, "gci_no_partition_constraints_override_constraint_flag"); WRITE_FLAG(cinfo->getNoMttConstraintFlag() ? 1 : 0, "gci_no_mtt_constraint_flag"); WRITE_FLAG(cinfo->getNoQtbttDualTreeIntraConstraintFlag() ? 1 : 0, "gci_no_qtbtt_dual_tree_intra_constraint_flag"); /* intra */ WRITE_FLAG(cinfo->getNoPaletteConstraintFlag() ? 1 : 0, "gci_no_palette_constraint_flag"); WRITE_FLAG(cinfo->getNoIbcConstraintFlag() ? 1 : 0, "gci_no_ibc_constraint_flag"); WRITE_FLAG(cinfo->getNoIspConstraintFlag() ? 1 : 0, "gci_no_isp_constraint_flag"); WRITE_FLAG(cinfo->getNoMrlConstraintFlag() ? 1 : 0, "gci_no_mrl_constraint_flag"); WRITE_FLAG(cinfo->getNoMipConstraintFlag() ? 1 : 0, "gci_no_mip_constraint_flag"); WRITE_FLAG(cinfo->getNoCclmConstraintFlag() ? 1 : 0, "gci_no_cclm_constraint_flag"); /* inter */ WRITE_FLAG(cinfo->getNoRprConstraintFlag() ? 1 : 0, "gci_no_ref_pic_resampling_constraint_flag"); WRITE_FLAG(cinfo->getNoResChangeInClvsConstraintFlag() ? 1 : 0, "gci_no_res_change_in_clvs_constraint_flag"); WRITE_FLAG(cinfo->getNoWeightedPredictionConstraintFlag() ? 1 : 0, "gci_no_weighted_prediction_constraint_flag"); WRITE_FLAG(cinfo->getNoRefWraparoundConstraintFlag() ? 1 : 0, "gci_no_ref_wraparound_constraint_flag"); WRITE_FLAG(cinfo->getNoTemporalMvpConstraintFlag() ? 1 : 0, "gci_no_temporal_mvp_constraint_flag"); WRITE_FLAG(cinfo->getNoSbtmvpConstraintFlag() ? 1 : 0, "gci_no_sbtmvp_constraint_flag"); WRITE_FLAG(cinfo->getNoAmvrConstraintFlag() ? 1 : 0, "gci_no_amvr_constraint_flag"); WRITE_FLAG(cinfo->getNoBdofConstraintFlag() ? 1 : 0, "gci_no_bdof_constraint_flag"); WRITE_FLAG(cinfo->getNoSmvdConstraintFlag() ? 1 : 0, "gci_no_smvd_constraint_flag"); WRITE_FLAG(cinfo->getNoDmvrConstraintFlag() ? 1 : 0, "gci_no_dmvr_constraint_flag"); WRITE_FLAG(cinfo->getNoMmvdConstraintFlag() ? 1 : 0, "gci_no_mmvd_constraint_flag"); WRITE_FLAG(cinfo->getNoAffineMotionConstraintFlag() ? 1 : 0, "gci_no_affine_motion_constraint_flag"); WRITE_FLAG(cinfo->getNoProfConstraintFlag() ? 1 : 0, "gci_no_prof_constraint_flag"); WRITE_FLAG(cinfo->getNoBcwConstraintFlag() ? 1 : 0, "gci_no_bcw_constraint_flag"); WRITE_FLAG(cinfo->getNoCiipConstraintFlag() ? 1 : 0, "gci_no_ciip_constraint_flag"); WRITE_FLAG(cinfo->getNoGeoConstraintFlag() ? 1 : 0, "gci_no_gpm_constraint_flag"); /* transform, quantization, residual */ WRITE_FLAG(cinfo->getNoLumaTransformSize64ConstraintFlag() ? 1 : 0, "gci_no_luma_transform_size_64_constraint_flag"); WRITE_FLAG(cinfo->getNoTransformSkipConstraintFlag() ? 1 : 0, "gci_no_transform_skip_constraint_flag"); WRITE_FLAG(cinfo->getNoBDPCMConstraintFlag() ? 1 : 0, "gci_no_bdpcm_constraint_flag"); WRITE_FLAG(cinfo->getNoMtsConstraintFlag() ? 1 : 0, "gci_no_mts_constraint_flag"); WRITE_FLAG(cinfo->getNoLfnstConstraintFlag() ? 1 : 0, "gci_no_lfnst_constraint_flag"); WRITE_FLAG(cinfo->getNoJointCbCrConstraintFlag() ? 1 : 0, "gci_no_joint_cbcr_constraint_flag"); WRITE_FLAG(cinfo->getNoSbtConstraintFlag() ? 1 : 0, "gci_no_sbt_constraint_flag"); WRITE_FLAG(cinfo->getNoActConstraintFlag() ? 1 : 0, "gci_no_act_constraint_flag"); WRITE_FLAG(cinfo->getNoExplicitScaleListConstraintFlag() ? 1 : 0, "gci_no_explicit_scaling_list_constraint_flag"); WRITE_FLAG(cinfo->getNoDepQuantConstraintFlag() ? 1 : 0, "gci_no_dep_quant_constraint_flag"); WRITE_FLAG(cinfo->getNoSignDataHidingConstraintFlag() ? 1 : 0, "gci_no_sign_data_hiding_constraint_flag"); WRITE_FLAG(cinfo->getNoCuQpDeltaConstraintFlag() ? 1 : 0, "gci_no_cu_qp_delta_constraint_flag"); WRITE_FLAG(cinfo->getNoChromaQpOffsetConstraintFlag() ? 1 : 0, "gci_no_chroma_qp_offset_constraint_flag"); /* loop filter */ WRITE_FLAG(cinfo->getNoSaoConstraintFlag() ? 1 : 0, "gci_no_sao_constraint_flag"); WRITE_FLAG(cinfo->getNoAlfConstraintFlag() ? 1 : 0, "gci_no_alf_constraint_flag"); WRITE_FLAG(cinfo->getNoCCAlfConstraintFlag() ? 1 : 0, "gci_no_ccalf_constraint_flag"); WRITE_FLAG(cinfo->getNoLmcsConstraintFlag() ? 1 : 0, "gci_no_lmcs_constraint_flag"); WRITE_FLAG(cinfo->getNoLadfConstraintFlag() ? 1 : 0, "gci_no_ladf_constraint_flag"); WRITE_FLAG(cinfo->getNoVirtualBoundaryConstraintFlag() ? 1 : 0, "gci_no_virtual_boundaries_constraint_flag"); Profile::Name profile = ptl->getProfileIdc(); if (profile == Profile::MAIN_12 || profile == Profile::MAIN_12_INTRA || profile == Profile::MAIN_12_STILL_PICTURE || profile == Profile::MAIN_12_444 || profile == Profile::MAIN_12_444_INTRA || profile == Profile::MAIN_12_444_STILL_PICTURE || profile == Profile::MAIN_16_444 || profile == Profile::MAIN_16_444_INTRA || profile == Profile::MAIN_16_444_STILL_PICTURE) { int numAdditionalBits = 6; WRITE_CODE(numAdditionalBits, 8, "gci_num_additional_bits"); WRITE_FLAG(cinfo->getAllRapPicturesFlag() ? 1 : 0, "gci_all_rap_pictures_flag"); WRITE_FLAG(cinfo->getNoExtendedPrecisionProcessingConstraintFlag() ? 1 : 0, "gci_no_extended_precision_processing_constraint_flag"); WRITE_FLAG(cinfo->getNoTsResidualCodingRiceConstraintFlag() ? 1 : 0, "gci_no_ts_residual_coding_rice_constraint_flag"); WRITE_FLAG(cinfo->getNoRrcRiceExtensionConstraintFlag() ? 1 : 0, "gci_no_rrc_rice_extension_constraint_flag"); WRITE_FLAG(cinfo->getNoPersistentRiceAdaptationConstraintFlag() ? 1 : 0, "gci_no_persistent_rice_adaptation_constraint_flag"); WRITE_FLAG(cinfo->getNoReverseLastSigCoeffConstraintFlag() ? 1 : 0, "gci_no_reverse_last_sig_coeff_constraint_flag"); } else { WRITE_CODE(0, 8, "gci_num_additional_bits"); } } while (!isByteAligned()) { WRITE_FLAG(0, "gci_alignment_zero_bit"); } } void HLSWriter::codeProfileTierLevel ( const ProfileTierLevel* ptl, bool profileTierPresentFlag, int maxNumSubLayersMinus1 ) { if(profileTierPresentFlag) { WRITE_CODE( int(ptl->getProfileIdc()), 7 , "general_profile_idc" ); WRITE_FLAG( ptl->getTierFlag()==Level::HIGH, "general_tier_flag" ); } WRITE_CODE( int( ptl->getLevelIdc() ), 8, "general_level_idc" ); WRITE_FLAG( ptl->getFrameOnlyConstraintFlag(), "ptl_frame_only_constraint_flag" ); WRITE_FLAG( ptl->getMultiLayerEnabledFlag(), "ptl_multilayer_enabled_flag" ); if(profileTierPresentFlag) { codeConstraintInfo(ptl->getConstraintInfo(), ptl); } for (int i = maxNumSubLayersMinus1 - 1; i >= 0; i--) { WRITE_FLAG( ptl->getSubLayerLevelPresentFlag(i), "sub_layer_level_present_flag[i]" ); } while (!isByteAligned()) { WRITE_FLAG(0, "ptl_reserved_zero_bit"); } for (int i = maxNumSubLayersMinus1 - 1; i >= 0; i--) { if( ptl->getSubLayerLevelPresentFlag(i) ) { WRITE_CODE( int(ptl->getSubLayerLevelIdc(i)), 8, "sub_layer_level_idc[i]" ); } } if (profileTierPresentFlag) { WRITE_CODE(ptl->getNumSubProfile(), 8, "ptl_num_sub_profiles"); for (int i = 0; i < ptl->getNumSubProfile(); i++) { WRITE_CODE(ptl->getSubProfileIdc(i), 32, "general_sub_profile_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->getSPS(), 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, "sh_entry_offset_len_minus1"); for (uint32_t idx=0; idx<pSlice->getNumberOfSubstreamSizes(); idx++) { WRITE_CODE(pSlice->getSubstreamSize(idx)-1, offsetLenMinus1+1, "sh_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 hasChroma = isChromaEnabled(format); const int numLists = (pcSlice->getSliceType() == B_SLICE) ? 2 : 1; bool denomCoded = false; uint32_t totalSignalledWeightFlags = 0; if ( (pcSlice->getSliceType()==P_SLICE && pcSlice->getPPS()->getUseWP()) || (pcSlice->getSliceType()==B_SLICE && pcSlice->getPPS()->getWPBiPred()) ) { for (int listIdx = 0; listIdx < numLists; listIdx++) // loop over l0 and l1 syntax elements { RefPicList eRefPicList = listIdx ? REF_PIC_LIST_1 : REF_PIC_LIST_0; // NOTE: wp[].log2WeightDenom and wp[].presentFlag are actually per-channel-type settings. for (int refIdx = 0; refIdx < pcSlice->getNumRefIdx(eRefPicList); refIdx++) { wp = pcSlice->getWpScaling(eRefPicList, refIdx); if (!denomCoded) { int deltaDenom; WRITE_UVLC(wp[COMPONENT_Y].log2WeightDenom, "luma_log2_weight_denom"); if (hasChroma) { CHECK(wp[COMPONENT_Cb].log2WeightDenom != wp[COMPONENT_Cr].log2WeightDenom, "Chroma blocks of different size not supported"); deltaDenom = (wp[COMPONENT_Cb].log2WeightDenom - wp[COMPONENT_Y].log2WeightDenom); WRITE_SVLC(deltaDenom, "delta_chroma_log2_weight_denom"); } denomCoded = true; } WRITE_FLAG(wp[COMPONENT_Y].presentFlag, listIdx == 0 ? "luma_weight_l0_flag[i]" : "luma_weight_l1_flag[i]"); totalSignalledWeightFlags += wp[COMPONENT_Y].presentFlag; } if (hasChroma) { for (int refIdx = 0; refIdx < pcSlice->getNumRefIdx(eRefPicList); refIdx++) { wp = pcSlice->getWpScaling(eRefPicList, refIdx); CHECK(wp[COMPONENT_Cb].presentFlag != wp[COMPONENT_Cr].presentFlag, "Inconsistent settings for chroma channels"); WRITE_FLAG(wp[COMPONENT_Cb].presentFlag, listIdx == 0 ? "chroma_weight_l0_flag[i]" : "chroma_weight_l1_flag[i]"); totalSignalledWeightFlags += 2 * wp[COMPONENT_Cb].presentFlag; } } for (int refIdx = 0; refIdx < pcSlice->getNumRefIdx(eRefPicList); refIdx++) { wp = pcSlice->getWpScaling(eRefPicList, refIdx); if (wp[COMPONENT_Y].presentFlag) { int deltaWeight = (wp[COMPONENT_Y].codedWeight - (1 << wp[COMPONENT_Y].log2WeightDenom)); WRITE_SVLC(deltaWeight, listIdx == 0 ? "delta_luma_weight_l0[i]" : "delta_luma_weight_l1[i]"); WRITE_SVLC(wp[COMPONENT_Y].codedOffset, listIdx == 0 ? "luma_offset_l0[i]" : "luma_offset_l1[i]"); } if (hasChroma) { if (wp[COMPONENT_Cb].presentFlag) { for ( int j = COMPONENT_Cb ; j < numberValidComponents ; j++ ) { CHECK(wp[COMPONENT_Cb].log2WeightDenom != wp[COMPONENT_Cr].log2WeightDenom, "Chroma blocks of different size not supported"); int deltaWeight = (wp[j].codedWeight - (1 << wp[COMPONENT_Cb].log2WeightDenom)); WRITE_SVLC(deltaWeight, listIdx == 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].codedWeight) >> (wp[j].log2WeightDenom))); int deltaChroma = (wp[j].codedOffset - pred); WRITE_SVLC(deltaChroma, listIdx == 0 ? "delta_chroma_offset_l0[i]" : "delta_chroma_offset_l1[i]"); } } } } } CHECK(totalSignalledWeightFlags > 24, "Too many signalled weight flags"); } } void HLSWriter::xCodePredWeightTable(PicHeader *picHeader, const PPS *pps, 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[].log2WeightDenom and wp[].presentFlag are actually per-channel-type settings. for (int refIdx = 0; refIdx < numLxWeights; refIdx++) { wp = picHeader->getWpScaling(refPicList, refIdx); if (!denomCoded) { int deltaDenom; WRITE_UVLC(wp[COMPONENT_Y].log2WeightDenom, "luma_log2_weight_denom"); if (chroma) { CHECK(wp[COMPONENT_Cb].log2WeightDenom != wp[COMPONENT_Cr].log2WeightDenom, "Chroma blocks of different size not supported"); deltaDenom = (wp[COMPONENT_Cb].log2WeightDenom - wp[COMPONENT_Y].log2WeightDenom); WRITE_SVLC(deltaDenom, "delta_chroma_log2_weight_denom"); } denomCoded = true; } WRITE_FLAG(wp[COMPONENT_Y].presentFlag, numRef == 0 ? "luma_weight_l0_flag[i]" : "luma_weight_l1_flag[i]"); totalSignalledWeightFlags += wp[COMPONENT_Y].presentFlag; } if (chroma) { for (int refIdx = 0; refIdx < numLxWeights; refIdx++) { wp = picHeader->getWpScaling(refPicList, refIdx); CHECK(wp[COMPONENT_Cb].presentFlag != wp[COMPONENT_Cr].presentFlag, "Inconsistent settings for chroma channels"); WRITE_FLAG(wp[COMPONENT_Cb].presentFlag, numRef == 0 ? "chroma_weight_l0_flag[i]" : "chroma_weight_l1_flag[i]"); totalSignalledWeightFlags += 2 * wp[COMPONENT_Cb].presentFlag; } } for (int refIdx = 0; refIdx < numLxWeights; refIdx++) { wp = picHeader->getWpScaling(refPicList, refIdx); if (wp[COMPONENT_Y].presentFlag) { int deltaWeight = (wp[COMPONENT_Y].codedWeight - (1 << wp[COMPONENT_Y].log2WeightDenom)); WRITE_SVLC(deltaWeight, numRef == 0 ? "delta_luma_weight_l0[i]" : "delta_luma_weight_l1[i]"); WRITE_SVLC(wp[COMPONENT_Y].codedOffset, numRef == 0 ? "luma_offset_l0[i]" : "luma_offset_l1[i]"); } if (chroma) { if (wp[COMPONENT_Cb].presentFlag) { for (int j = COMPONENT_Cb; j < numberValidComponents; j++) { CHECK(wp[COMPONENT_Cb].log2WeightDenom != wp[COMPONENT_Cr].log2WeightDenom, "Chroma blocks of different size not supported"); int deltaWeight = (wp[j].codedWeight - (1 << wp[COMPONENT_Cb].log2WeightDenom)); 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].codedWeight) >> (wp[j].log2WeightDenom))); int deltaChroma = (wp[j].codedOffset - pred); WRITE_SVLC(deltaChroma, numRef == 0 ? "delta_chroma_offset_l0[i]" : "delta_chroma_offset_l1[i]"); } } } } if (numRef == 0) { numLxWeights = picHeader->getNumL1Weights(); if (pps->getWPBiPred() == 0) { numLxWeights = 0; } else if (picHeader->getRPL(1)->getNumRefEntries() > 0) { WRITE_UVLC(numLxWeights, "num_l1_weights"); } moreSyntaxToBeParsed = (numLxWeights == 0) ? false : true; } } CHECK(totalSignalledWeightFlags > 24, "Too many signalled weight flags"); } /** code quantization matrix * \param scalingList quantization matrix information */ void HLSWriter::codeScalingList( const ScalingList &scalingList, bool aps_chromaPresentFlag ) { //for each size for (uint32_t scalingListId = 0; scalingListId < 28; scalingListId++) { if (aps_chromaPresentFlag || scalingList.isLumaScalingList(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)) : nullptr; 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::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 Pel* 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++ ) { WRITE_UVLC( abs(coeff[ ind* MAX_NUM_ALF_LUMA_COEFF + i ]), isChroma ? "alf_chroma_coeff_abs" : "alf_luma_coeff_abs" ); //alf_coeff_chroma[i], alf_coeff_luma_delta[i][j] if( abs( coeff[ ind* MAX_NUM_ALF_LUMA_COEFF + i ] ) != 0 ) { WRITE_FLAG( ( coeff[ ind* MAX_NUM_ALF_LUMA_COEFF + i ] < 0 ) ? 1 : 0, isChroma ? "alf_chroma_coeff_sign" : "alf_luma_coeff_sign" ); } } } // Clipping values coding if( alfParam.nonLinearFlag[isChroma] ) { 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, isChroma ? "alf_chroma_clip_idx" : "alf_luma_clip_idx"); } } } } //! \}