/* 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) 2010-2015, 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 TDecCAVLC.cpp \brief CAVLC decoder class */ #include "TDecCAVLC.h" #include "SEIread.h" #include "TDecSlice.h" #include "TLibCommon/TComChromaFormat.h" #if RExt__DECODER_DEBUG_BIT_STATISTICS #include "TLibCommon/TComCodingStatistics.h" #endif #if NH_MV #include "TDecTop.h" #endif //! \ingroup TLibDecoder //! \{ #if ENC_DEC_TRACE #if !H_MV_ENC_DEC_TRAC Void xTraceVPSHeader () { fprintf( g_hTrace, "=========== Video Parameter Set ===========\n" ); } Void xTraceSPSHeader () { fprintf( g_hTrace, "=========== Sequence Parameter Set ===========\n" ); } Void xTracePPSHeader () { fprintf( g_hTrace, "=========== Picture Parameter Set ===========\n"); } #endif #endif // ==================================================================================================================== // Constructor / destructor / create / destroy // ==================================================================================================================== TDecCavlc::TDecCavlc() { } TDecCavlc::~TDecCavlc() { } // ==================================================================================================================== // Public member functions // ==================================================================================================================== Void TDecCavlc::parseShortTermRefPicSet( TComSPS* sps, TComReferencePictureSet* rps, Int idx ) { UInt code; UInt interRPSPred; if (idx > 0) { READ_FLAG(interRPSPred, "inter_ref_pic_set_prediction_flag"); rps->setInterRPSPrediction(interRPSPred); } else { interRPSPred = false; rps->setInterRPSPrediction(false); } if (interRPSPred) { UInt bit; if(idx == sps->getRPSList()->getNumberOfReferencePictureSets()) { READ_UVLC(code, "delta_idx_minus1" ); // delta index of the Reference Picture Set used for prediction minus 1 } else { code = 0; } assert(code <= idx-1); // delta_idx_minus1 shall not be larger than idx-1, otherwise we will predict from a negative row position that does not exist. When idx equals 0 there is no legal value and interRPSPred must be zero. See J0185-r2 Int rIdx = idx - 1 - code; assert (rIdx <= idx-1 && rIdx >= 0); // Made assert tighter; if rIdx = idx then prediction is done from itself. rIdx must belong to range 0, idx-1, inclusive, see J0185-r2 TComReferencePictureSet* rpsRef = sps->getRPSList()->getReferencePictureSet(rIdx); Int k = 0, k0 = 0, k1 = 0; READ_CODE(1, bit, "delta_rps_sign"); // delta_RPS_sign READ_UVLC(code, "abs_delta_rps_minus1"); // absolute delta RPS minus 1 Int deltaRPS = (1 - 2 * bit) * (code + 1); // delta_RPS for(Int j=0 ; j <= rpsRef->getNumberOfPictures(); j++) { READ_CODE(1, bit, "used_by_curr_pic_flag" ); //first bit is "1" if Idc is 1 Int refIdc = bit; if (refIdc == 0) { READ_CODE(1, bit, "use_delta_flag" ); //second bit is "1" if Idc is 2, "0" otherwise. refIdc = bit<<1; //second bit is "1" if refIdc is 2, "0" if refIdc = 0. } if (refIdc == 1 || refIdc == 2) { Int deltaPOC = deltaRPS + ((j < rpsRef->getNumberOfPictures())? rpsRef->getDeltaPOC(j) : 0); rps->setDeltaPOC(k, deltaPOC); rps->setUsed(k, (refIdc == 1)); if (deltaPOC < 0) { k0++; } else { k1++; } k++; } rps->setRefIdc(j,refIdc); } rps->setNumRefIdc(rpsRef->getNumberOfPictures()+1); rps->setNumberOfPictures(k); rps->setNumberOfNegativePictures(k0); rps->setNumberOfPositivePictures(k1); rps->sortDeltaPOC(); } else { READ_UVLC(code, "num_negative_pics"); rps->setNumberOfNegativePictures(code); READ_UVLC(code, "num_positive_pics"); rps->setNumberOfPositivePictures(code); Int prev = 0; Int poc; for(Int j=0 ; j < rps->getNumberOfNegativePictures(); j++) { READ_UVLC(code, "delta_poc_s0_minus1"); poc = prev-code-1; prev = poc; rps->setDeltaPOC(j,poc); READ_FLAG(code, "used_by_curr_pic_s0_flag"); rps->setUsed(j,code); } prev = 0; for(Int j=rps->getNumberOfNegativePictures(); j < rps->getNumberOfNegativePictures()+rps->getNumberOfPositivePictures(); j++) { READ_UVLC(code, "delta_poc_s1_minus1"); poc = prev+code+1; prev = poc; rps->setDeltaPOC(j,poc); READ_FLAG(code, "used_by_curr_pic_s1_flag"); rps->setUsed(j,code); } rps->setNumberOfPictures(rps->getNumberOfNegativePictures()+rps->getNumberOfPositivePictures()); } #if PRINT_RPS_INFO rps->printDeltaPOC(); #endif } Void TDecCavlc::parsePPS(TComPPS* pcPPS) { #if ENC_DEC_TRACE #if H_MV_ENC_DEC_TRAC tracePSHeader( "PPS", pcPPS->getLayerId() ); #else xTracePPSHeader (); #endif #endif UInt uiCode; Int iCode; READ_UVLC( uiCode, "pps_pic_parameter_set_id"); assert(uiCode <= 63); pcPPS->setPPSId (uiCode); READ_UVLC( uiCode, "pps_seq_parameter_set_id"); assert(uiCode <= 15); pcPPS->setSPSId (uiCode); READ_FLAG( uiCode, "dependent_slice_segments_enabled_flag" ); pcPPS->setDependentSliceSegmentsEnabledFlag ( uiCode == 1 ); READ_FLAG( uiCode, "output_flag_present_flag" ); pcPPS->setOutputFlagPresentFlag( uiCode==1 ); READ_CODE(3, uiCode, "num_extra_slice_header_bits"); pcPPS->setNumExtraSliceHeaderBits(uiCode); READ_FLAG ( uiCode, "sign_data_hiding_flag" ); pcPPS->setSignHideFlag( uiCode ); READ_FLAG( uiCode, "cabac_init_present_flag" ); pcPPS->setCabacInitPresentFlag( uiCode ? true : false ); READ_UVLC(uiCode, "num_ref_idx_l0_default_active_minus1"); assert(uiCode <= 14); pcPPS->setNumRefIdxL0DefaultActive(uiCode+1); READ_UVLC(uiCode, "num_ref_idx_l1_default_active_minus1"); assert(uiCode <= 14); pcPPS->setNumRefIdxL1DefaultActive(uiCode+1); READ_SVLC(iCode, "init_qp_minus26" ); pcPPS->setPicInitQPMinus26(iCode); READ_FLAG( uiCode, "constrained_intra_pred_flag" ); pcPPS->setConstrainedIntraPred( uiCode ? true : false ); READ_FLAG( uiCode, "transform_skip_enabled_flag" ); pcPPS->setUseTransformSkip ( uiCode ? true : false ); READ_FLAG( uiCode, "cu_qp_delta_enabled_flag" ); pcPPS->setUseDQP( uiCode ? true : false ); if( pcPPS->getUseDQP() ) { READ_UVLC( uiCode, "diff_cu_qp_delta_depth" ); pcPPS->setMaxCuDQPDepth( uiCode ); } else { pcPPS->setMaxCuDQPDepth( 0 ); } READ_SVLC( iCode, "pps_cb_qp_offset"); pcPPS->setQpOffset(COMPONENT_Cb, iCode); assert( pcPPS->getQpOffset(COMPONENT_Cb) >= -12 ); assert( pcPPS->getQpOffset(COMPONENT_Cb) <= 12 ); READ_SVLC( iCode, "pps_cr_qp_offset"); pcPPS->setQpOffset(COMPONENT_Cr, iCode); assert( pcPPS->getQpOffset(COMPONENT_Cr) >= -12 ); assert( pcPPS->getQpOffset(COMPONENT_Cr) <= 12 ); assert(MAX_NUM_COMPONENT<=3); READ_FLAG( uiCode, "pps_slice_chroma_qp_offsets_present_flag" ); pcPPS->setSliceChromaQpFlag( uiCode ? true : false ); READ_FLAG( uiCode, "weighted_pred_flag" ); // Use of Weighting Prediction (P_SLICE) pcPPS->setUseWP( uiCode==1 ); READ_FLAG( uiCode, "weighted_bipred_flag" ); // Use of Bi-Directional Weighting Prediction (B_SLICE) pcPPS->setWPBiPred( uiCode==1 ); READ_FLAG( uiCode, "transquant_bypass_enable_flag"); pcPPS->setTransquantBypassEnableFlag(uiCode ? true : false); READ_FLAG( uiCode, "tiles_enabled_flag" ); pcPPS->setTilesEnabledFlag ( uiCode == 1 ); READ_FLAG( uiCode, "entropy_coding_sync_enabled_flag" ); pcPPS->setEntropyCodingSyncEnabledFlag( uiCode == 1 ); if( pcPPS->getTilesEnabledFlag() ) { READ_UVLC ( uiCode, "num_tile_columns_minus1" ); pcPPS->setNumTileColumnsMinus1( uiCode ); READ_UVLC ( uiCode, "num_tile_rows_minus1" ); pcPPS->setNumTileRowsMinus1( uiCode ); READ_FLAG ( uiCode, "uniform_spacing_flag" ); pcPPS->setTileUniformSpacingFlag( uiCode == 1 ); const UInt tileColumnsMinus1 = pcPPS->getNumTileColumnsMinus1(); const UInt tileRowsMinus1 = pcPPS->getNumTileRowsMinus1(); if ( !pcPPS->getTileUniformSpacingFlag()) { if (tileColumnsMinus1 > 0) { std::vector columnWidth(tileColumnsMinus1); for(UInt i = 0; i < tileColumnsMinus1; i++) { READ_UVLC( uiCode, "column_width_minus1" ); columnWidth[i] = uiCode+1; } pcPPS->setTileColumnWidth(columnWidth); } if (tileRowsMinus1 > 0) { std::vector rowHeight (tileRowsMinus1); for(UInt i = 0; i < tileRowsMinus1; i++) { READ_UVLC( uiCode, "row_height_minus1" ); rowHeight[i] = uiCode + 1; } pcPPS->setTileRowHeight(rowHeight); } } if ((tileColumnsMinus1 + tileRowsMinus1) != 0) { READ_FLAG ( uiCode, "loop_filter_across_tiles_enabled_flag" ); pcPPS->setLoopFilterAcrossTilesEnabledFlag( uiCode ? true : false ); } } READ_FLAG( uiCode, "pps_loop_filter_across_slices_enabled_flag" ); pcPPS->setLoopFilterAcrossSlicesEnabledFlag( uiCode ? true : false ); READ_FLAG( uiCode, "deblocking_filter_control_present_flag" ); pcPPS->setDeblockingFilterControlPresentFlag( uiCode ? true : false ); if(pcPPS->getDeblockingFilterControlPresentFlag()) { READ_FLAG( uiCode, "deblocking_filter_override_enabled_flag" ); pcPPS->setDeblockingFilterOverrideEnabledFlag( uiCode ? true : false ); READ_FLAG( uiCode, "pps_disable_deblocking_filter_flag" ); pcPPS->setPicDisableDeblockingFilterFlag(uiCode ? true : false ); if(!pcPPS->getPicDisableDeblockingFilterFlag()) { READ_SVLC ( iCode, "pps_beta_offset_div2" ); pcPPS->setDeblockingFilterBetaOffsetDiv2( iCode ); READ_SVLC ( iCode, "pps_tc_offset_div2" ); pcPPS->setDeblockingFilterTcOffsetDiv2( iCode ); } } READ_FLAG( uiCode, "pps_scaling_list_data_present_flag" ); pcPPS->setScalingListPresentFlag( uiCode ? true : false ); if(pcPPS->getScalingListPresentFlag ()) { parseScalingList( &(pcPPS->getScalingList()) ); } READ_FLAG( uiCode, "lists_modification_present_flag"); pcPPS->setListsModificationPresentFlag(uiCode); READ_UVLC( uiCode, "log2_parallel_merge_level_minus2"); pcPPS->setLog2ParallelMergeLevelMinus2 (uiCode); READ_FLAG( uiCode, "slice_segment_header_extension_present_flag"); pcPPS->setSliceHeaderExtensionPresentFlag(uiCode); READ_FLAG( uiCode, "pps_extension_present_flag"); if (uiCode) { #if NH_MV READ_FLAG( uiCode, "pps_range_extensions_flag" ); pcPPS->setPpsRangeExtensionsFlag( uiCode == 1 ); READ_FLAG( uiCode, "pps_multilayer_extension_flag" ); pcPPS->setPpsMultilayerExtensionFlag( uiCode == 1 ); READ_FLAG( uiCode, "pps_3d_extension_flag" ); pcPPS->setPps3dExtensionFlag( uiCode == 1 ); READ_CODE( 5, uiCode, "pps_extension_5bits" ); pcPPS->setPpsExtension5bits( uiCode ); if ( pcPPS->getPpsRangeExtensionsFlag() ) { TComPPSRExt &ppsRangeExtension = pcPPS->getPpsRangeExtension(); if (pcPPS->getUseTransformSkip()) { READ_UVLC( uiCode, "log2_max_transform_skip_block_size_minus2"); ppsRangeExtension.setLog2MaxTransformSkipBlockSize(uiCode+2); } READ_FLAG( uiCode, "cross_component_prediction_enabled_flag"); ppsRangeExtension.setCrossComponentPredictionEnabledFlag(uiCode != 0); READ_FLAG( uiCode, "chroma_qp_offset_list_enabled_flag"); if (uiCode == 0) { ppsRangeExtension.clearChromaQpOffsetList(); ppsRangeExtension.setDiffCuChromaQpOffsetDepth(0); } else { READ_UVLC(uiCode, "diff_cu_chroma_qp_offset_depth"); ppsRangeExtension.setDiffCuChromaQpOffsetDepth(uiCode); UInt tableSizeMinus1 = 0; READ_UVLC(tableSizeMinus1, "chroma_qp_offset_list_len_minus1"); assert(tableSizeMinus1 < MAX_QP_OFFSET_LIST_SIZE); for (Int cuChromaQpOffsetIdx = 0; cuChromaQpOffsetIdx <= (tableSizeMinus1); cuChromaQpOffsetIdx++) { Int cbOffset; Int crOffset; READ_SVLC(cbOffset, "cb_qp_offset_list[i]"); assert(cbOffset >= -12 && cbOffset <= 12); READ_SVLC(crOffset, "cr_qp_offset_list[i]"); assert(crOffset >= -12 && crOffset <= 12); // table uses +1 for index (see comment inside the function) ppsRangeExtension.setChromaQpOffsetListEntry(cuChromaQpOffsetIdx+1, cbOffset, crOffset); } assert(ppsRangeExtension.getChromaQpOffsetListLen() == tableSizeMinus1 + 1); } READ_UVLC( uiCode, "log2_sao_offset_scale_luma"); ppsRangeExtension.setLog2SaoOffsetScale(CHANNEL_TYPE_LUMA, uiCode); READ_UVLC( uiCode, "log2_sao_offset_scale_chroma"); ppsRangeExtension.setLog2SaoOffsetScale(CHANNEL_TYPE_CHROMA, uiCode); } if ( pcPPS->getPpsMultilayerExtensionFlag() ) { parsePpsMultilayerExtension( pcPPS ); } if ( pcPPS->getPps3dExtensionFlag() ) { #if NH_3D parsePps3dExtension( pcPPS ); #endif } #if NH_3D if ( pcPPS->getPpsExtension5bits() ) #else if ( pcPPS->getPpsExtension5bits() || pcPPS->getPps3dExtensionFlag() ) #endif { while ( xMoreRbspData() ) { READ_FLAG( uiCode, "pps_extension_data_flag"); } } #else #if ENC_DEC_TRACE || RExt__DECODER_DEBUG_BIT_STATISTICS static const char *syntaxStrings[]={ "pps_range_extension_flag", "pps_multilayer_extension_flag", "pps_extension_6bits[0]", "pps_extension_6bits[1]", "pps_extension_6bits[2]", "pps_extension_6bits[3]", "pps_extension_6bits[4]", "pps_extension_6bits[5]" }; #endif Bool pps_extension_flags[NUM_PPS_EXTENSION_FLAGS]; for(Int i=0; igetPpsRangeExtension(); assert(!bSkipTrailingExtensionBits); if (pcPPS->getUseTransformSkip()) { READ_UVLC( uiCode, "log2_max_transform_skip_block_size_minus2"); ppsRangeExtension.setLog2MaxTransformSkipBlockSize(uiCode+2); } READ_FLAG( uiCode, "cross_component_prediction_enabled_flag"); ppsRangeExtension.setCrossComponentPredictionEnabledFlag(uiCode != 0); READ_FLAG( uiCode, "chroma_qp_offset_list_enabled_flag"); if (uiCode == 0) { ppsRangeExtension.clearChromaQpOffsetList(); ppsRangeExtension.setDiffCuChromaQpOffsetDepth(0); } else { READ_UVLC(uiCode, "diff_cu_chroma_qp_offset_depth"); ppsRangeExtension.setDiffCuChromaQpOffsetDepth(uiCode); UInt tableSizeMinus1 = 0; READ_UVLC(tableSizeMinus1, "chroma_qp_offset_list_len_minus1"); assert(tableSizeMinus1 < MAX_QP_OFFSET_LIST_SIZE); for (Int cuChromaQpOffsetIdx = 0; cuChromaQpOffsetIdx <= (tableSizeMinus1); cuChromaQpOffsetIdx++) { Int cbOffset; Int crOffset; READ_SVLC(cbOffset, "cb_qp_offset_list[i]"); assert(cbOffset >= -12 && cbOffset <= 12); READ_SVLC(crOffset, "cr_qp_offset_list[i]"); assert(crOffset >= -12 && crOffset <= 12); // table uses +1 for index (see comment inside the function) ppsRangeExtension.setChromaQpOffsetListEntry(cuChromaQpOffsetIdx+1, cbOffset, crOffset); } assert(ppsRangeExtension.getChromaQpOffsetListLen() == tableSizeMinus1 + 1); } READ_UVLC( uiCode, "log2_sao_offset_scale_luma"); ppsRangeExtension.setLog2SaoOffsetScale(CHANNEL_TYPE_LUMA, uiCode); READ_UVLC( uiCode, "log2_sao_offset_scale_chroma"); ppsRangeExtension.setLog2SaoOffsetScale(CHANNEL_TYPE_CHROMA, uiCode); } break; default: bSkipTrailingExtensionBits=true; break; } } } if (bSkipTrailingExtensionBits) { while ( xMoreRbspData() ) { READ_FLAG( uiCode, "pps_extension_data_flag"); } } #endif } xReadRbspTrailingBits(); } #if NH_3D Void TDecCavlc::parsePps3dExtension( TComPPS* pcPPS ) { #if H_3D UInt uiCode = 0; // TComDLT* pcDLT = new TComDLT; //Ed.(GT): PPSs are copied in HM16.4. This would cause that the only the DLT pointer is copied. Therefore, a deep copy of the DLT needs to be implemented. Another option would be to use a vectors for the DLT arrays in TComDLT. READ_FLAG(uiCode, "dlt_present_flag"); pcDLT->setDltPresentFlag( (uiCode == 1) ? true : false ); if ( pcDLT->getDltPresentFlag() ) { READ_CODE(6, uiCode, "pps_depth_layers_minus1"); pcDLT->setNumDepthViews( uiCode ); READ_CODE(4, uiCode, "pps_bit_depth_for_depth_views_minus8"); pcDLT->setDepthViewBitDepth( (uiCode+8) ); //Ed.(GT): Please remove parsing dependency from VPS here ! for( Int i = 0; i <= pcVPS->getMaxLayersMinus1(); i++ ) { if ( i != 0 ) { if( pcVPS->getDepthId( i ) == 1 ) { READ_FLAG(uiCode, "dlt_flag[i]"); pcDLT->setUseDLTFlag(i, (uiCode == 1) ? true : false); if ( pcDLT->getUseDLTFlag( i ) ) { Bool bDltBitMapRepFlag = false; UInt uiMaxDiff = 0xffffffff; UInt uiMinDiff = 0; UInt uiCodeLength = 0; READ_FLAG(uiCode, "inter_view_dlt_pred_enable_flag[ i ]"); if( uiCode ) { assert( pcDLT->getUseDLTFlag( 1 )); } pcDLT->setInterViewDltPredEnableFlag( i, (uiCode == 1) ? true : false ); if ( pcDLT->getInterViewDltPredEnableFlag( i ) == false ) { READ_FLAG(uiCode, "dlt_bit_map_rep_flag[ layerId ]"); bDltBitMapRepFlag = (uiCode == 1) ? true : false; } else { bDltBitMapRepFlag = false; } UInt uiNumDepthValues = 0; Int aiIdx2DepthValue[256]; // Bit map if ( bDltBitMapRepFlag ) { for (UInt d=0; d<256; d++) { READ_FLAG(uiCode, "dlt_bit_map_flag[ layerId ][ j ]"); if (uiCode == 1) { aiIdx2DepthValue[uiNumDepthValues] = d; uiNumDepthValues++; } } } // Diff Coding else { READ_CODE(8, uiNumDepthValues, "num_depth_values_in_dlt[i]"); // num_entry { // The condition if( pcVPS->getNumDepthValues(i) > 0 ) is always true since for Single-view Diff Coding, there is at least one depth value in depth component. if (uiNumDepthValues > 1) { READ_CODE(8, uiCode, "max_diff[ layerId ]"); uiMaxDiff = uiCode; } else { uiMaxDiff = 0; // when there is only one value in DLT } if (uiNumDepthValues > 2) { uiCodeLength = (UInt) ceil(Log2(uiMaxDiff + 1)); READ_CODE(uiCodeLength, uiCode, "min_diff_minus1[ layerId ]"); uiMinDiff = uiCode + 1; } else { uiMinDiff = uiMaxDiff; // when there are only one or two values in DLT } READ_CODE(8, uiCode, "dlt_depth_value0[layerId]"); // entry0 aiIdx2DepthValue[0] = uiCode; if (uiMaxDiff == uiMinDiff) { for (UInt d=1; dgetInterViewDltPredEnableFlag( i ) ) { // interpret decoded values as delta DLT AOF( pcVPS->getDepthId( 1 ) == 1 ); AOF( i > 1 ); // assumes ref layer id to be 1 Int* piRefDLT = pcDLT->idx2DepthValue( 1 ); UInt uiRefNum = pcDLT->getNumDepthValues( 1 ); pcDLT->setDeltaDLT(i, piRefDLT, uiRefNum, aiIdx2DepthValue, uiNumDepthValues); } else { // store final DLT pcDLT->setDepthLUTs(i, aiIdx2DepthValue, uiNumDepthValues); } } } } } } pcPPS->setDLT( pcDLT ); #endif } #endif Void TDecCavlc::parseVUI(TComVUI* pcVUI, TComSPS *pcSPS) { #if ENC_DEC_TRACE fprintf( g_hTrace, "----------- vui_parameters -----------\n"); #endif UInt uiCode; READ_FLAG( uiCode, "aspect_ratio_info_present_flag"); pcVUI->setAspectRatioInfoPresentFlag(uiCode); if (pcVUI->getAspectRatioInfoPresentFlag()) { READ_CODE(8, uiCode, "aspect_ratio_idc"); pcVUI->setAspectRatioIdc(uiCode); if (pcVUI->getAspectRatioIdc() == 255) { READ_CODE(16, uiCode, "sar_width"); pcVUI->setSarWidth(uiCode); READ_CODE(16, uiCode, "sar_height"); pcVUI->setSarHeight(uiCode); } } READ_FLAG( uiCode, "overscan_info_present_flag"); pcVUI->setOverscanInfoPresentFlag(uiCode); if (pcVUI->getOverscanInfoPresentFlag()) { READ_FLAG( uiCode, "overscan_appropriate_flag"); pcVUI->setOverscanAppropriateFlag(uiCode); } READ_FLAG( uiCode, "video_signal_type_present_flag"); pcVUI->setVideoSignalTypePresentFlag(uiCode); #if NH_MV assert( pcSPS->getLayerId() == 0 || !pcVUI->getVideoSignalTypePresentFlag() ); #endif if (pcVUI->getVideoSignalTypePresentFlag()) { READ_CODE(3, uiCode, "video_format"); pcVUI->setVideoFormat(uiCode); READ_FLAG( uiCode, "video_full_range_flag"); pcVUI->setVideoFullRangeFlag(uiCode); READ_FLAG( uiCode, "colour_description_present_flag"); pcVUI->setColourDescriptionPresentFlag(uiCode); if (pcVUI->getColourDescriptionPresentFlag()) { READ_CODE(8, uiCode, "colour_primaries"); pcVUI->setColourPrimaries(uiCode); READ_CODE(8, uiCode, "transfer_characteristics"); pcVUI->setTransferCharacteristics(uiCode); READ_CODE(8, uiCode, "matrix_coeffs"); pcVUI->setMatrixCoefficients(uiCode); } } READ_FLAG( uiCode, "chroma_loc_info_present_flag"); pcVUI->setChromaLocInfoPresentFlag(uiCode); if (pcVUI->getChromaLocInfoPresentFlag()) { READ_UVLC( uiCode, "chroma_sample_loc_type_top_field" ); pcVUI->setChromaSampleLocTypeTopField(uiCode); READ_UVLC( uiCode, "chroma_sample_loc_type_bottom_field" ); pcVUI->setChromaSampleLocTypeBottomField(uiCode); } READ_FLAG( uiCode, "neutral_chroma_indication_flag"); pcVUI->setNeutralChromaIndicationFlag(uiCode); READ_FLAG( uiCode, "field_seq_flag"); pcVUI->setFieldSeqFlag(uiCode); READ_FLAG(uiCode, "frame_field_info_present_flag"); pcVUI->setFrameFieldInfoPresentFlag(uiCode); READ_FLAG( uiCode, "default_display_window_flag"); if (uiCode != 0) { Window &defDisp = pcVUI->getDefaultDisplayWindow(); #if NH_MV defDisp.setScaledFlag( false ); READ_UVLC( uiCode, "def_disp_win_left_offset" ); defDisp.setWindowLeftOffset ( uiCode ); READ_UVLC( uiCode, "def_disp_win_right_offset" ); defDisp.setWindowRightOffset ( uiCode ); READ_UVLC( uiCode, "def_disp_win_top_offset" ); defDisp.setWindowTopOffset ( uiCode ); READ_UVLC( uiCode, "def_disp_win_bottom_offset" ); defDisp.setWindowBottomOffset( uiCode ); #else READ_UVLC( uiCode, "def_disp_win_left_offset" ); defDisp.setWindowLeftOffset ( uiCode * TComSPS::getWinUnitX( pcSPS->getChromaFormatIdc()) ); READ_UVLC( uiCode, "def_disp_win_right_offset" ); defDisp.setWindowRightOffset ( uiCode * TComSPS::getWinUnitX( pcSPS->getChromaFormatIdc()) ); READ_UVLC( uiCode, "def_disp_win_top_offset" ); defDisp.setWindowTopOffset ( uiCode * TComSPS::getWinUnitY( pcSPS->getChromaFormatIdc()) ); READ_UVLC( uiCode, "def_disp_win_bottom_offset" ); defDisp.setWindowBottomOffset( uiCode * TComSPS::getWinUnitY( pcSPS->getChromaFormatIdc()) ); #endif } TimingInfo *timingInfo = pcVUI->getTimingInfo(); READ_FLAG( uiCode, "vui_timing_info_present_flag"); timingInfo->setTimingInfoPresentFlag (uiCode ? true : false); if(timingInfo->getTimingInfoPresentFlag()) { READ_CODE( 32, uiCode, "vui_num_units_in_tick"); timingInfo->setNumUnitsInTick (uiCode); READ_CODE( 32, uiCode, "vui_time_scale"); timingInfo->setTimeScale (uiCode); READ_FLAG( uiCode, "vui_poc_proportional_to_timing_flag"); timingInfo->setPocProportionalToTimingFlag(uiCode ? true : false); if(timingInfo->getPocProportionalToTimingFlag()) { READ_UVLC( uiCode, "vui_num_ticks_poc_diff_one_minus1"); timingInfo->setNumTicksPocDiffOneMinus1 (uiCode); } READ_FLAG( uiCode, "vui_hrd_parameters_present_flag"); pcVUI->setHrdParametersPresentFlag(uiCode); if( pcVUI->getHrdParametersPresentFlag() ) { parseHrdParameters( pcVUI->getHrdParameters(), 1, pcSPS->getMaxTLayers() - 1 ); } } READ_FLAG( uiCode, "bitstream_restriction_flag"); pcVUI->setBitstreamRestrictionFlag(uiCode); if (pcVUI->getBitstreamRestrictionFlag()) { READ_FLAG( uiCode, "tiles_fixed_structure_flag"); pcVUI->setTilesFixedStructureFlag(uiCode); READ_FLAG( uiCode, "motion_vectors_over_pic_boundaries_flag"); pcVUI->setMotionVectorsOverPicBoundariesFlag(uiCode); READ_FLAG( uiCode, "restricted_ref_pic_lists_flag"); pcVUI->setRestrictedRefPicListsFlag(uiCode); READ_UVLC( uiCode, "min_spatial_segmentation_idc"); pcVUI->setMinSpatialSegmentationIdc(uiCode); assert(uiCode < 4096); READ_UVLC( uiCode, "max_bytes_per_pic_denom" ); pcVUI->setMaxBytesPerPicDenom(uiCode); READ_UVLC( uiCode, "max_bits_per_min_cu_denom" ); pcVUI->setMaxBitsPerMinCuDenom(uiCode); READ_UVLC( uiCode, "log2_max_mv_length_horizontal" ); pcVUI->setLog2MaxMvLengthHorizontal(uiCode); READ_UVLC( uiCode, "log2_max_mv_length_vertical" ); pcVUI->setLog2MaxMvLengthVertical(uiCode); } } Void TDecCavlc::parseHrdParameters(TComHRD *hrd, Bool commonInfPresentFlag, UInt maxNumSubLayersMinus1) { UInt uiCode; if( commonInfPresentFlag ) { READ_FLAG( uiCode, "nal_hrd_parameters_present_flag" ); hrd->setNalHrdParametersPresentFlag( uiCode == 1 ? true : false ); READ_FLAG( uiCode, "vcl_hrd_parameters_present_flag" ); hrd->setVclHrdParametersPresentFlag( uiCode == 1 ? true : false ); if( hrd->getNalHrdParametersPresentFlag() || hrd->getVclHrdParametersPresentFlag() ) { READ_FLAG( uiCode, "sub_pic_hrd_params_present_flag" ); hrd->setSubPicCpbParamsPresentFlag( uiCode == 1 ? true : false ); if( hrd->getSubPicCpbParamsPresentFlag() ) { READ_CODE( 8, uiCode, "tick_divisor_minus2" ); hrd->setTickDivisorMinus2( uiCode ); READ_CODE( 5, uiCode, "du_cpb_removal_delay_increment_length_minus1" ); hrd->setDuCpbRemovalDelayLengthMinus1( uiCode ); READ_FLAG( uiCode, "sub_pic_cpb_params_in_pic_timing_sei_flag" ); hrd->setSubPicCpbParamsInPicTimingSEIFlag( uiCode == 1 ? true : false ); READ_CODE( 5, uiCode, "dpb_output_delay_du_length_minus1" ); hrd->setDpbOutputDelayDuLengthMinus1( uiCode ); } READ_CODE( 4, uiCode, "bit_rate_scale" ); hrd->setBitRateScale( uiCode ); READ_CODE( 4, uiCode, "cpb_size_scale" ); hrd->setCpbSizeScale( uiCode ); if( hrd->getSubPicCpbParamsPresentFlag() ) { READ_CODE( 4, uiCode, "cpb_size_du_scale" ); hrd->setDuCpbSizeScale( uiCode ); } READ_CODE( 5, uiCode, "initial_cpb_removal_delay_length_minus1" ); hrd->setInitialCpbRemovalDelayLengthMinus1( uiCode ); READ_CODE( 5, uiCode, "au_cpb_removal_delay_length_minus1" ); hrd->setCpbRemovalDelayLengthMinus1( uiCode ); READ_CODE( 5, uiCode, "dpb_output_delay_length_minus1" ); hrd->setDpbOutputDelayLengthMinus1( uiCode ); } } Int i, j, nalOrVcl; for( i = 0; i <= maxNumSubLayersMinus1; i ++ ) { READ_FLAG( uiCode, "fixed_pic_rate_general_flag" ); hrd->setFixedPicRateFlag( i, uiCode == 1 ? true : false ); if( !hrd->getFixedPicRateFlag( i ) ) { READ_FLAG( uiCode, "fixed_pic_rate_within_cvs_flag" ); hrd->setFixedPicRateWithinCvsFlag( i, uiCode == 1 ? true : false ); } else { hrd->setFixedPicRateWithinCvsFlag( i, true ); } hrd->setLowDelayHrdFlag( i, 0 ); // Infered to be 0 when not present hrd->setCpbCntMinus1 ( i, 0 ); // Infered to be 0 when not present if( hrd->getFixedPicRateWithinCvsFlag( i ) ) { READ_UVLC( uiCode, "elemental_duration_in_tc_minus1" ); hrd->setPicDurationInTcMinus1( i, uiCode ); } else { READ_FLAG( uiCode, "low_delay_hrd_flag" ); hrd->setLowDelayHrdFlag( i, uiCode == 1 ? true : false ); } if (!hrd->getLowDelayHrdFlag( i )) { READ_UVLC( uiCode, "cpb_cnt_minus1" ); hrd->setCpbCntMinus1( i, uiCode ); } for( nalOrVcl = 0; nalOrVcl < 2; nalOrVcl ++ ) { if( ( ( nalOrVcl == 0 ) && ( hrd->getNalHrdParametersPresentFlag() ) ) || ( ( nalOrVcl == 1 ) && ( hrd->getVclHrdParametersPresentFlag() ) ) ) { for( j = 0; j <= ( hrd->getCpbCntMinus1( i ) ); j ++ ) { READ_UVLC( uiCode, "bit_rate_value_minus1" ); hrd->setBitRateValueMinus1( i, j, nalOrVcl, uiCode ); READ_UVLC( uiCode, "cpb_size_value_minus1" ); hrd->setCpbSizeValueMinus1( i, j, nalOrVcl, uiCode ); if( hrd->getSubPicCpbParamsPresentFlag() ) { READ_UVLC( uiCode, "cpb_size_du_value_minus1" ); hrd->setDuCpbSizeValueMinus1( i, j, nalOrVcl, uiCode ); READ_UVLC( uiCode, "bit_rate_du_value_minus1" ); hrd->setDuBitRateValueMinus1( i, j, nalOrVcl, uiCode ); } READ_FLAG( uiCode, "cbr_flag" ); hrd->setCbrFlag( i, j, nalOrVcl, uiCode == 1 ? true : false ); } } } } } Void TDecCavlc::parseSPS(TComSPS* pcSPS) { #if ENC_DEC_TRACE #if H_MV_ENC_DEC_TRAC tracePSHeader( "SPS", pcSPS->getLayerId() ); #else xTraceSPSHeader (); #endif #endif UInt uiCode; READ_CODE( 4, uiCode, "sps_video_parameter_set_id"); pcSPS->setVPSId ( uiCode ); #if NH_MV if ( pcSPS->getLayerId() == 0 ) { #endif READ_CODE( 3, uiCode, "sps_max_sub_layers_minus1" ); pcSPS->setMaxTLayers ( uiCode+1 ); assert(uiCode <= 6); #if NH_MV } else { READ_CODE( 3, uiCode, "sps_ext_or_max_sub_layers_minus1" ); pcSPS->setSpsExtOrMaxSubLayersMinus1( uiCode ); pcSPS->inferSpsMaxSubLayersMinus1( false, NULL ); } if ( !pcSPS->getMultiLayerExtSpsFlag() ) { #endif READ_FLAG( uiCode, "sps_temporal_id_nesting_flag" ); pcSPS->setTemporalIdNestingFlag ( uiCode > 0 ? true : false ); if ( pcSPS->getMaxTLayers() == 1 ) { // sps_temporal_id_nesting_flag must be 1 when sps_max_sub_layers_minus1 is 0 assert( uiCode == 1 ); } parsePTL(pcSPS->getPTL(), 1, pcSPS->getMaxTLayers() - 1); #if NH_MV pcSPS->getPTL()->inferGeneralValues ( true, 0, NULL ); pcSPS->getPTL()->inferSubLayerValues( pcSPS->getMaxTLayers() - 1, 0, NULL ); } #endif READ_UVLC( uiCode, "sps_seq_parameter_set_id" ); pcSPS->setSPSId( uiCode ); assert(uiCode <= 15); #if NH_MV if ( pcSPS->getMultiLayerExtSpsFlag() ) { READ_FLAG( uiCode, "update_rep_format_flag" ); pcSPS->setUpdateRepFormatFlag( uiCode == 1 ); if ( pcSPS->getUpdateRepFormatFlag() ) { READ_CODE( 8, uiCode, "sps_rep_format_idx" ); pcSPS->setSpsRepFormatIdx( uiCode ); } } else { #endif READ_UVLC( uiCode, "chroma_format_idc" ); pcSPS->setChromaFormatIdc( ChromaFormat(uiCode) ); assert(uiCode <= 3); if( pcSPS->getChromaFormatIdc() == CHROMA_444 ) { READ_FLAG( uiCode, "separate_colour_plane_flag"); assert(uiCode == 0); } READ_UVLC ( uiCode, "pic_width_in_luma_samples" ); pcSPS->setPicWidthInLumaSamples ( uiCode ); READ_UVLC ( uiCode, "pic_height_in_luma_samples" ); pcSPS->setPicHeightInLumaSamples( uiCode ); READ_FLAG( uiCode, "conformance_window_flag"); if (uiCode != 0) { Window &conf = pcSPS->getConformanceWindow(); #if NH_MV // Needs to be scaled later, when ChromaFormatIdc is known. conf.setScaledFlag( false ); READ_UVLC( uiCode, "conf_win_left_offset" ); conf.setWindowLeftOffset ( uiCode ); READ_UVLC( uiCode, "conf_win_right_offset" ); conf.setWindowRightOffset ( uiCode ); READ_UVLC( uiCode, "conf_win_top_offset" ); conf.setWindowTopOffset ( uiCode ); READ_UVLC( uiCode, "conf_win_bottom_offset" ); conf.setWindowBottomOffset( uiCode ); } #else READ_UVLC( uiCode, "conf_win_left_offset" ); conf.setWindowLeftOffset ( uiCode * TComSPS::getWinUnitX( pcSPS->getChromaFormatIdc() ) ); READ_UVLC( uiCode, "conf_win_right_offset" ); conf.setWindowRightOffset ( uiCode * TComSPS::getWinUnitX( pcSPS->getChromaFormatIdc() ) ); READ_UVLC( uiCode, "conf_win_top_offset" ); conf.setWindowTopOffset ( uiCode * TComSPS::getWinUnitY( pcSPS->getChromaFormatIdc() ) ); READ_UVLC( uiCode, "conf_win_bottom_offset" ); conf.setWindowBottomOffset( uiCode * TComSPS::getWinUnitY( pcSPS->getChromaFormatIdc() ) ); #endif } #if NH_MV if ( !pcSPS->getMultiLayerExtSpsFlag() ) { #endif READ_UVLC( uiCode, "bit_depth_luma_minus8" ); #if O0043_BEST_EFFORT_DECODING pcSPS->setStreamBitDepth(CHANNEL_TYPE_LUMA, 8 + uiCode); const UInt forceDecodeBitDepth = pcSPS->getForceDecodeBitDepth(); if (forceDecodeBitDepth != 0) { uiCode = forceDecodeBitDepth - 8; } #endif assert(uiCode <= 8); pcSPS->setBitDepth(CHANNEL_TYPE_LUMA, 8 + uiCode); #if O0043_BEST_EFFORT_DECODING pcSPS->setQpBDOffset(CHANNEL_TYPE_LUMA, (Int) (6*(pcSPS->getStreamBitDepth(CHANNEL_TYPE_LUMA)-8)) ); #else pcSPS->setQpBDOffset(CHANNEL_TYPE_LUMA, (Int) (6*uiCode) ); #endif READ_UVLC( uiCode, "bit_depth_chroma_minus8" ); #if O0043_BEST_EFFORT_DECODING pcSPS->setStreamBitDepth(CHANNEL_TYPE_CHROMA, 8 + uiCode); if (forceDecodeBitDepth != 0) { uiCode = forceDecodeBitDepth - 8; } #endif assert(uiCode <= 8); pcSPS->setBitDepth(CHANNEL_TYPE_CHROMA, 8 + uiCode); #if O0043_BEST_EFFORT_DECODING pcSPS->setQpBDOffset(CHANNEL_TYPE_CHROMA, (Int) (6*(pcSPS->getStreamBitDepth(CHANNEL_TYPE_CHROMA)-8)) ); #else pcSPS->setQpBDOffset(CHANNEL_TYPE_CHROMA, (Int) (6*uiCode) ); #endif #if NH_MV } #endif READ_UVLC( uiCode, "log2_max_pic_order_cnt_lsb_minus4" ); pcSPS->setBitsForPOC( 4 + uiCode ); assert(uiCode <= 12); #if NH_MV if ( !pcSPS->getMultiLayerExtSpsFlag()) { #endif UInt subLayerOrderingInfoPresentFlag; READ_FLAG(subLayerOrderingInfoPresentFlag, "sps_sub_layer_ordering_info_present_flag"); for(UInt i=0; i <= pcSPS->getMaxTLayers()-1; i++) { READ_UVLC ( uiCode, "sps_max_dec_pic_buffering_minus1[i]"); pcSPS->setMaxDecPicBuffering( uiCode + 1, i); READ_UVLC ( uiCode, "sps_max_num_reorder_pics[i]" ); pcSPS->setNumReorderPics(uiCode, i); READ_UVLC ( uiCode, "sps_max_latency_increase_plus1[i]"); pcSPS->setMaxLatencyIncrease( uiCode, i ); if (!subLayerOrderingInfoPresentFlag) { for (i++; i <= pcSPS->getMaxTLayers()-1; i++) { pcSPS->setMaxDecPicBuffering(pcSPS->getMaxDecPicBuffering(0), i); pcSPS->setNumReorderPics(pcSPS->getNumReorderPics(0), i); pcSPS->setMaxLatencyIncrease(pcSPS->getMaxLatencyIncrease(0), i); } break; } } #if NH_MV } #endif READ_UVLC( uiCode, "log2_min_luma_coding_block_size_minus3" ); Int log2MinCUSize = uiCode + 3; pcSPS->setLog2MinCodingBlockSize(log2MinCUSize); READ_UVLC( uiCode, "log2_diff_max_min_luma_coding_block_size" ); pcSPS->setLog2DiffMaxMinCodingBlockSize(uiCode); if (pcSPS->getPTL()->getGeneralPTL()->getLevelIdc() >= Level::LEVEL5) { assert(log2MinCUSize + pcSPS->getLog2DiffMaxMinCodingBlockSize() >= 5); } Int maxCUDepthDelta = uiCode; pcSPS->setMaxCUWidth ( 1<<(log2MinCUSize + maxCUDepthDelta) ); pcSPS->setMaxCUHeight ( 1<<(log2MinCUSize + maxCUDepthDelta) ); READ_UVLC( uiCode, "log2_min_luma_transform_block_size_minus2" ); pcSPS->setQuadtreeTULog2MinSize( uiCode + 2 ); READ_UVLC( uiCode, "log2_diff_max_min_luma_transform_block_size" ); pcSPS->setQuadtreeTULog2MaxSize( uiCode + pcSPS->getQuadtreeTULog2MinSize() ); pcSPS->setMaxTrSize( 1<<(uiCode + pcSPS->getQuadtreeTULog2MinSize()) ); READ_UVLC( uiCode, "max_transform_hierarchy_depth_inter" ); pcSPS->setQuadtreeTUMaxDepthInter( uiCode+1 ); READ_UVLC( uiCode, "max_transform_hierarchy_depth_intra" ); pcSPS->setQuadtreeTUMaxDepthIntra( uiCode+1 ); Int addCuDepth = max (0, log2MinCUSize - (Int)pcSPS->getQuadtreeTULog2MinSize() ); pcSPS->setMaxTotalCUDepth( maxCUDepthDelta + addCuDepth + getMaxCUDepthOffset(pcSPS->getChromaFormatIdc(), pcSPS->getQuadtreeTULog2MinSize()) ); READ_FLAG( uiCode, "scaling_list_enabled_flag" ); pcSPS->setScalingListFlag ( uiCode ); if(pcSPS->getScalingListFlag()) { #if NH_MV if ( pcSPS->getMultiLayerExtSpsFlag() ) { READ_FLAG( uiCode, "sps_infer_scaling_list_flag" ); pcSPS->setSpsInferScalingListFlag( uiCode == 1 ); } if ( pcSPS->getSpsInferScalingListFlag() ) { READ_CODE( 6, uiCode, "sps_scaling_list_ref_layer_id" ); pcSPS->setSpsScalingListRefLayerId( uiCode ); } else { #endif READ_FLAG( uiCode, "sps_scaling_list_data_present_flag" ); pcSPS->setScalingListPresentFlag ( uiCode ); if(pcSPS->getScalingListPresentFlag ()) { parseScalingList( &(pcSPS->getScalingList()) ); } #if NH_MV } #endif } READ_FLAG( uiCode, "amp_enabled_flag" ); pcSPS->setUseAMP( uiCode ); READ_FLAG( uiCode, "sample_adaptive_offset_enabled_flag" ); pcSPS->setUseSAO ( uiCode ? true : false ); READ_FLAG( uiCode, "pcm_enabled_flag" ); pcSPS->setUsePCM( uiCode ? true : false ); if( pcSPS->getUsePCM() ) { READ_CODE( 4, uiCode, "pcm_sample_bit_depth_luma_minus1" ); pcSPS->setPCMBitDepth ( CHANNEL_TYPE_LUMA, 1 + uiCode ); READ_CODE( 4, uiCode, "pcm_sample_bit_depth_chroma_minus1" ); pcSPS->setPCMBitDepth ( CHANNEL_TYPE_CHROMA, 1 + uiCode ); READ_UVLC( uiCode, "log2_min_pcm_luma_coding_block_size_minus3" ); pcSPS->setPCMLog2MinSize (uiCode+3); READ_UVLC( uiCode, "log2_diff_max_min_pcm_luma_coding_block_size" ); pcSPS->setPCMLog2MaxSize ( uiCode+pcSPS->getPCMLog2MinSize() ); READ_FLAG( uiCode, "pcm_loop_filter_disable_flag" ); pcSPS->setPCMFilterDisableFlag ( uiCode ? true : false ); } READ_UVLC( uiCode, "num_short_term_ref_pic_sets" ); assert(uiCode <= 64); pcSPS->createRPSList(uiCode); TComRPSList* rpsList = pcSPS->getRPSList(); TComReferencePictureSet* rps; for(UInt i=0; i< rpsList->getNumberOfReferencePictureSets(); i++) { rps = rpsList->getReferencePictureSet(i); parseShortTermRefPicSet(pcSPS,rps,i); } READ_FLAG( uiCode, "long_term_ref_pics_present_flag" ); pcSPS->setLongTermRefsPresent(uiCode); if (pcSPS->getLongTermRefsPresent()) { READ_UVLC( uiCode, "num_long_term_ref_pics_sps" ); pcSPS->setNumLongTermRefPicSPS(uiCode); for (UInt k = 0; k < pcSPS->getNumLongTermRefPicSPS(); k++) { READ_CODE( pcSPS->getBitsForPOC(), uiCode, "lt_ref_pic_poc_lsb_sps" ); pcSPS->setLtRefPicPocLsbSps(k, uiCode); READ_FLAG( uiCode, "used_by_curr_pic_lt_sps_flag[i]"); pcSPS->setUsedByCurrPicLtSPSFlag(k, uiCode?1:0); } } READ_FLAG( uiCode, "sps_temporal_mvp_enable_flag" ); pcSPS->setTMVPFlagsPresent(uiCode); READ_FLAG( uiCode, "sps_strong_intra_smoothing_enable_flag" ); pcSPS->setUseStrongIntraSmoothing(uiCode); READ_FLAG( uiCode, "vui_parameters_present_flag" ); pcSPS->setVuiParametersPresentFlag(uiCode); if (pcSPS->getVuiParametersPresentFlag()) { parseVUI(pcSPS->getVuiParameters(), pcSPS); } READ_FLAG( uiCode, "sps_extension_present_flag"); #if NH_MV pcSPS->setSpsExtensionPresentFlag( uiCode ); if (pcSPS->getSpsExtensionPresentFlag( ) ) { READ_FLAG( uiCode, "sps_range_extensions_flag" ); pcSPS->setSpsRangeExtensionsFlag( uiCode == 1 ); READ_FLAG( uiCode, "sps_multilayer_extension_flag" ); pcSPS->setSpsMultilayerExtensionFlag( uiCode == 1 ); READ_FLAG( uiCode , "sps_3d_extension_flag" ); pcSPS->setSps3dExtensionFlag( uiCode == 1 ); READ_CODE( 5, uiCode, "sps_extension_5bits" ) ; pcSPS->setSpsExtension5bits( uiCode ); if ( pcSPS->getSpsRangeExtensionsFlag() ) { TComSPSRExt &spsRangeExtension = pcSPS->getSpsRangeExtension(); READ_FLAG( uiCode, "transform_skip_rotation_enabled_flag"); spsRangeExtension.setTransformSkipRotationEnabledFlag(uiCode != 0); READ_FLAG( uiCode, "transform_skip_context_enabled_flag"); spsRangeExtension.setTransformSkipContextEnabledFlag (uiCode != 0); READ_FLAG( uiCode, "implicit_rdpcm_enabled_flag"); spsRangeExtension.setRdpcmEnabledFlag(RDPCM_SIGNAL_IMPLICIT, (uiCode != 0)); READ_FLAG( uiCode, "explicit_rdpcm_enabled_flag"); spsRangeExtension.setRdpcmEnabledFlag(RDPCM_SIGNAL_EXPLICIT, (uiCode != 0)); READ_FLAG( uiCode, "extended_precision_processing_flag"); spsRangeExtension.setExtendedPrecisionProcessingFlag (uiCode != 0); READ_FLAG( uiCode, "intra_smoothing_disabled_flag"); spsRangeExtension.setIntraSmoothingDisabledFlag (uiCode != 0); READ_FLAG( uiCode, "high_precision_offsets_enabled_flag"); spsRangeExtension.setHighPrecisionOffsetsEnabledFlag (uiCode != 0); READ_FLAG( uiCode, "persistent_rice_adaptation_enabled_flag"); spsRangeExtension.setPersistentRiceAdaptationEnabledFlag (uiCode != 0); READ_FLAG( uiCode, "cabac_bypass_alignment_enabled_flag"); spsRangeExtension.setCabacBypassAlignmentEnabledFlag (uiCode != 0); } if ( pcSPS->getSpsMultilayerExtensionFlag() ) { parseSpsMultilayerExtension( pcSPS ); } if ( pcSPS->getSps3dExtensionFlag() ) { #if NH_3D parseSps3dExtension( pcSPS ); #endif } #if NH_3D if ( pcSPS->getSpsExtension5bits() ) #else if ( pcSPS->getSpsExtension5bits() || pcSPS->getSps3dExtensionFlag() ) #endif { while ( xMoreRbspData() ) { READ_FLAG( uiCode, "sps_extension_data_flag"); } } } #else if (uiCode) { #if ENC_DEC_TRACE || RExt__DECODER_DEBUG_BIT_STATISTICS static const char *syntaxStrings[]={ "sps_range_extension_flag", "sps_multilayer_extension_flag", "sps_extension_6bits[0]", "sps_extension_6bits[1]", "sps_extension_6bits[2]", "sps_extension_6bits[3]", "sps_extension_6bits[4]", "sps_extension_6bits[5]" }; #endif Bool sps_extension_flags[NUM_SPS_EXTENSION_FLAGS]; for(Int i=0; igetSpsRangeExtension(); READ_FLAG( uiCode, "transform_skip_rotation_enabled_flag"); spsRangeExtension.setTransformSkipRotationEnabledFlag(uiCode != 0); READ_FLAG( uiCode, "transform_skip_context_enabled_flag"); spsRangeExtension.setTransformSkipContextEnabledFlag (uiCode != 0); READ_FLAG( uiCode, "implicit_rdpcm_enabled_flag"); spsRangeExtension.setRdpcmEnabledFlag(RDPCM_SIGNAL_IMPLICIT, (uiCode != 0)); READ_FLAG( uiCode, "explicit_rdpcm_enabled_flag"); spsRangeExtension.setRdpcmEnabledFlag(RDPCM_SIGNAL_EXPLICIT, (uiCode != 0)); READ_FLAG( uiCode, "extended_precision_processing_flag"); spsRangeExtension.setExtendedPrecisionProcessingFlag (uiCode != 0); READ_FLAG( uiCode, "intra_smoothing_disabled_flag"); spsRangeExtension.setIntraSmoothingDisabledFlag (uiCode != 0); READ_FLAG( uiCode, "high_precision_offsets_enabled_flag"); spsRangeExtension.setHighPrecisionOffsetsEnabledFlag (uiCode != 0); READ_FLAG( uiCode, "persistent_rice_adaptation_enabled_flag"); spsRangeExtension.setPersistentRiceAdaptationEnabledFlag (uiCode != 0); READ_FLAG( uiCode, "cabac_bypass_alignment_enabled_flag"); spsRangeExtension.setCabacBypassAlignmentEnabledFlag (uiCode != 0); } break; default: bSkipTrailingExtensionBits=true; break; } } } if (bSkipTrailingExtensionBits) { while ( xMoreRbspData() ) { READ_FLAG( uiCode, "sps_extension_data_flag"); } } } #endif xReadRbspTrailingBits(); } #if NH_MV Void TDecCavlc::parseSpsMultilayerExtension( TComSPS* pcSPS ) { UInt uiCode; READ_FLAG( uiCode, "inter_view_mv_vert_constraint_flag" ); pcSPS->setInterViewMvVertConstraintFlag(uiCode == 1 ? true : false); } #if NH_3D Void TDecCavlc::parseSps3dExtension( TComSPS* pcSPS ) { TComSps3dExtension sps3dExt; UInt uiCode; for( Int d = 0; d <= 1; d++ ) { READ_FLAG( uiCode, "iv_mv_pred_flag" ); sps3dExt.setIvMvPredFlag( d, uiCode == 1 ); READ_FLAG( uiCode, "iv_mv_scaling_flag" ); sps3dExt.setIvMvScalingFlag( d, uiCode == 1 ); if( d == 0 ) { READ_UVLC( uiCode, "log2_sub_pb_size_minus3" ); sps3dExt.setLog2SubPbSizeMinus3( d, uiCode ); READ_FLAG( uiCode, "iv_res_pred_flag" ); sps3dExt.setIvResPredFlag( d, uiCode == 1 ); READ_FLAG( uiCode, "depth_refinement_flag" ); sps3dExt.setDepthRefinementFlag( d, uiCode == 1 ); READ_FLAG( uiCode, "view_synthesis_pred_flag" ); sps3dExt.setViewSynthesisPredFlag( d, uiCode == 1 ); READ_FLAG( uiCode, "depth_based_blk_part_flag" ); sps3dExt.setDepthBasedBlkPartFlag( d, uiCode == 1 ); } else { READ_FLAG( uiCode, "mpi_flag" ); sps3dExt.setMpiFlag( d, uiCode == 1 ); READ_UVLC( uiCode, "log2_mpi_sub_pb_size_minus3" ); sps3dExt.setLog2MpiSubPbSizeMinus3( d, uiCode ); READ_FLAG( uiCode, "intra_contour_flag" ); sps3dExt.setIntraContourFlag( d, uiCode == 1 ); READ_FLAG( uiCode, "intra_sdc_wedge_flag" ); sps3dExt.setIntraSdcWedgeFlag( d, uiCode == 1 ); READ_FLAG( uiCode, "qt_pred_flag" ); sps3dExt.setQtPredFlag( d, uiCode == 1 ); READ_FLAG( uiCode, "inter_sdc_flag" ); sps3dExt.setInterSdcFlag( d, uiCode == 1 ); READ_FLAG( uiCode, "intra_skip_flag" ); sps3dExt.setDepthIntraSkipFlag( d, uiCode == 1 ); } } pcSPS->setSps3dExtension( sps3dExt ); } #endif Void TDecCavlc::parsePpsMultilayerExtension(TComPPS* pcPPS) { UInt uiCode = 0; READ_FLAG( uiCode, "poc_reset_info_present_flag" ); pcPPS->setPocResetInfoPresentFlag( uiCode == 1 ); READ_FLAG( uiCode, "pps_infer_scaling_list_flag" ); pcPPS->setPpsInferScalingListFlag( uiCode == 1 ); if (pcPPS->getPpsInferScalingListFlag()) { READ_CODE( 6, uiCode, "pps_scaling_list_ref_layer_id" ); pcPPS->setPpsScalingListRefLayerId( uiCode ); } UInt numRefLocOffsets;; READ_UVLC( numRefLocOffsets, "num_ref_loc_offsets" ); // All of the following stuff is not needed, but allowed to be present. for (Int i = 0; i < numRefLocOffsets; i++ ) { Int iCode = 0; READ_CODE( 6, uiCode, "ref_loc_offset_layer_id" ); READ_FLAG( uiCode, "scaled_ref_layer_offset_present_flag" ); if (uiCode) { READ_SVLC( iCode, "scaled_ref_layer_left_offset" ); READ_SVLC( iCode, "scaled_ref_layer_top_offset" ); READ_SVLC( iCode, "scaled_ref_layer_right_offset" ); READ_SVLC( iCode, "scaled_ref_layer_bottom_offset" ); } READ_FLAG( uiCode, "ref_region_offset_present_flag" ); if (uiCode) { READ_SVLC( iCode, "ref_region_left_offset" ); READ_SVLC( iCode, "ref_region_top_offset" ); READ_SVLC( iCode, "ref_region_right_offset" ); READ_SVLC( iCode, "ref_region_bottom_offset" ); } READ_FLAG( uiCode, "resample_phase_set_present_flag" ); if (uiCode) { READ_UVLC( uiCode, "phase_hor_luma" ); READ_UVLC( uiCode, "phase_ver_luma" ); READ_UVLC( uiCode, "phase_hor_chroma_plus8" ); READ_UVLC( uiCode, "phase_ver_chroma_plus8" ); } } READ_FLAG( uiCode, "colour_mapping_enabled_flag" ); // This is required to equal to 0 for Multiview Main profile. assert( uiCode == 0 ); } #endif Void TDecCavlc::parseVPS(TComVPS* pcVPS) { #if ENC_DEC_TRACE #if H_MV_ENC_DEC_TRAC tracePSHeader( "VPS", getDecTop()->getLayerId() ); #else xTraceVPSHeader (); #endif #endif UInt uiCode; READ_CODE( 4, uiCode, "vps_video_parameter_set_id" ); pcVPS->setVPSId( uiCode ); #if NH_MV READ_FLAG( uiCode, "vps_base_layer_internal_flag" ); pcVPS->setVpsBaseLayerInternalFlag( uiCode == 1 ); READ_FLAG( uiCode, "vps_base_layer_available_flag" ); pcVPS->setVpsBaseLayerAvailableFlag( uiCode == 1 ); #else READ_FLAG( uiCode, "vps_base_layer_internal_flag" ); assert(uiCode == 1); READ_FLAG( uiCode, "vps_base_layer_available_flag" ); assert(uiCode == 1); #endif #if NH_MV READ_CODE( 6, uiCode, "vps_max_layers_minus1" ); pcVPS->setMaxLayersMinus1( std::min( uiCode, (UInt) ( MAX_NUM_LAYER_IDS-1) ) ); #else READ_CODE( 6, uiCode, "vps_max_layers_minus1" ); #endif READ_CODE( 3, uiCode, "vps_max_sub_layers_minus1" ); pcVPS->setMaxTLayers( uiCode + 1 ); assert(uiCode+1 <= MAX_TLAYER); READ_FLAG( uiCode, "vps_temporal_id_nesting_flag" ); pcVPS->setTemporalNestingFlag( uiCode ? true:false ); assert (pcVPS->getMaxTLayers()>1||pcVPS->getTemporalNestingFlag()); READ_CODE( 16, uiCode, "vps_reserved_0xffff_16bits" ); assert(uiCode == 0xffff); parsePTL ( pcVPS->getPTL(), true, pcVPS->getMaxTLayers()-1); #if NH_MV pcVPS->getPTL()->inferGeneralValues ( true, 0, NULL ); pcVPS->getPTL()->inferSubLayerValues( pcVPS->getMaxTLayers() - 1, 0, NULL ); #endif UInt subLayerOrderingInfoPresentFlag; READ_FLAG(subLayerOrderingInfoPresentFlag, "vps_sub_layer_ordering_info_present_flag"); for(UInt i = 0; i <= pcVPS->getMaxTLayers()-1; i++) { READ_UVLC( uiCode, "vps_max_dec_pic_buffering_minus1[i]" ); pcVPS->setMaxDecPicBuffering( uiCode + 1, i ); READ_UVLC( uiCode, "vps_max_num_reorder_pics[i]" ); pcVPS->setNumReorderPics( uiCode, i ); READ_UVLC( uiCode, "vps_max_latency_increase_plus1[i]" ); pcVPS->setMaxLatencyIncrease( uiCode, i ); if (!subLayerOrderingInfoPresentFlag) { for (i++; i <= pcVPS->getMaxTLayers()-1; i++) { pcVPS->setMaxDecPicBuffering(pcVPS->getMaxDecPicBuffering(0), i); pcVPS->setNumReorderPics(pcVPS->getNumReorderPics(0), i); pcVPS->setMaxLatencyIncrease(pcVPS->getMaxLatencyIncrease(0), i); } break; } } assert( pcVPS->getNumHrdParameters() < MAX_VPS_OP_SETS_PLUS1 ); #if NH_MV assert( pcVPS->getVpsMaxLayerId() < MAX_VPS_NUH_LAYER_ID_PLUS1 ); READ_CODE( 6, uiCode, "vps_max_layer_id" ); pcVPS->setVpsMaxLayerId( uiCode ); READ_UVLC( uiCode, "vps_num_layer_sets_minus1" ); pcVPS->setVpsNumLayerSetsMinus1( uiCode ); for( UInt opsIdx = 1; opsIdx <= pcVPS->getVpsNumLayerSetsMinus1(); opsIdx ++ ) { for( UInt i = 0; i <= pcVPS->getVpsMaxLayerId(); i ++ ) #else assert( pcVPS->getMaxNuhReservedZeroLayerId() < MAX_VPS_NUH_RESERVED_ZERO_LAYER_ID_PLUS1 ); READ_CODE( 6, uiCode, "vps_max_layer_id" ); pcVPS->setMaxNuhReservedZeroLayerId( uiCode ); READ_UVLC( uiCode, "vps_num_layer_sets_minus1" ); pcVPS->setMaxOpSets( uiCode + 1 ); for( UInt opsIdx = 1; opsIdx <= ( pcVPS->getMaxOpSets() - 1 ); opsIdx ++ ) { // Operation point set for( UInt i = 0; i <= pcVPS->getMaxNuhReservedZeroLayerId(); i ++ ) #endif { READ_FLAG( uiCode, "layer_id_included_flag[opsIdx][i]" ); pcVPS->setLayerIdIncludedFlag( uiCode == 1 ? true : false, opsIdx, i ); } } #if NH_MV pcVPS->deriveLayerSetLayerIdList(); #endif TimingInfo *timingInfo = pcVPS->getTimingInfo(); READ_FLAG( uiCode, "vps_timing_info_present_flag"); timingInfo->setTimingInfoPresentFlag (uiCode ? true : false); if(timingInfo->getTimingInfoPresentFlag()) { READ_CODE( 32, uiCode, "vps_num_units_in_tick"); timingInfo->setNumUnitsInTick (uiCode); READ_CODE( 32, uiCode, "vps_time_scale"); timingInfo->setTimeScale (uiCode); READ_FLAG( uiCode, "vps_poc_proportional_to_timing_flag"); timingInfo->setPocProportionalToTimingFlag(uiCode ? true : false); if(timingInfo->getPocProportionalToTimingFlag()) { READ_UVLC( uiCode, "vps_num_ticks_poc_diff_one_minus1"); timingInfo->setNumTicksPocDiffOneMinus1 (uiCode); } READ_UVLC( uiCode, "vps_num_hrd_parameters" ); pcVPS->setNumHrdParameters( uiCode ); if( pcVPS->getNumHrdParameters() > 0 ) { pcVPS->createHrdParamBuffer(); } for( UInt i = 0; i < pcVPS->getNumHrdParameters(); i ++ ) { READ_UVLC( uiCode, "hrd_layer_set_idx[i]" ); pcVPS->setHrdOpSetIdx( uiCode, i ); if( i > 0 ) { READ_FLAG( uiCode, "cprms_present_flag[i]" ); pcVPS->setCprmsPresentFlag( uiCode == 1 ? true : false, i ); } else { pcVPS->setCprmsPresentFlag( true, i ); } parseHrdParameters(pcVPS->getHrdParameters(i), pcVPS->getCprmsPresentFlag( i ), pcVPS->getMaxTLayers() - 1); } } #if NH_MV READ_FLAG( uiCode, "vps_extension_flag" ); pcVPS->setVpsExtensionFlag( uiCode == 1 ? true : false ); if ( pcVPS->getVpsExtensionFlag() ) #else READ_FLAG( uiCode, "vps_extension_flag" ); if (uiCode) #endif { #if NH_MV m_pcBitstream->readOutTrailingBits(); parseVPSExtension( pcVPS ); READ_FLAG( uiCode, "vps_extension2_flag" ); if (uiCode) { #if NH_3D READ_FLAG( uiCode, "vps_3d_extension_flag" ); if ( uiCode ) { m_pcBitstream->readOutTrailingBits(); pcVPS->createCamPars(pcVPS->getNumViews()); parseVps3dExtension( pcVPS ); } READ_FLAG( uiCode, "vps_extension3_flag" ); if (uiCode) { #endif #endif while ( xMoreRbspData() ) { READ_FLAG( uiCode, "vps_extension_data_flag"); } #if NH_MV #if NH_3D } #endif } #endif } xReadRbspTrailingBits(); } #if NH_MV Void TDecCavlc::parseVPSExtension( TComVPS* pcVPS ) { UInt uiCode; if( pcVPS->getMaxLayersMinus1() > 0 && pcVPS->getVpsBaseLayerInternalFlag() ) { parsePTL( pcVPS->getPTL( 1 ),0, pcVPS->getMaxSubLayersMinus1() ); pcVPS->getPTL( 1 )->inferGeneralValues ( false, 1, pcVPS->getPTL( 0 ) ); pcVPS->getPTL( 1 )->inferSubLayerValues( pcVPS->getMaxSubLayersMinus1(), 1, pcVPS->getPTL( 0 ) ); } READ_FLAG( uiCode, "splitting_flag" ); pcVPS->setSplittingFlag( uiCode == 1 ? true : false ); for( Int sIdx = 0; sIdx < MAX_NUM_SCALABILITY_TYPES; sIdx++ ) { READ_FLAG( uiCode, "scalability_mask_flag[i]" ); pcVPS->setScalabilityMaskFlag( sIdx, uiCode == 1 ? true : false ); } for( Int sIdx = 0; sIdx < pcVPS->getNumScalabilityTypes( ) - ( pcVPS->getSplittingFlag() ? 1 : 0 ); sIdx++ ) { READ_CODE( 3, uiCode, "dimension_id_len_minus1[j]" ); pcVPS->setDimensionIdLen( sIdx, uiCode + 1 ); } if ( pcVPS->getSplittingFlag() ) { pcVPS->setDimensionIdLen( pcVPS->getNumScalabilityTypes( ) - 1, pcVPS->inferLastDimsionIdLenMinus1() ); } READ_FLAG( uiCode, "vps_nuh_layer_id_present_flag" ); pcVPS->setVpsNuhLayerIdPresentFlag( uiCode == 1 ? true : false ); for( Int i = 1; i <= pcVPS->getMaxLayersMinus1(); i++ ) { if ( pcVPS->getVpsNuhLayerIdPresentFlag() ) { READ_CODE( 6, uiCode, "layer_id_in_nuh[i]" ); pcVPS->setLayerIdInNuh( i, uiCode ); } else { pcVPS->setLayerIdInNuh( i, i );; } pcVPS->setLayerIdInVps( pcVPS->getLayerIdInNuh( i ), i ); for( Int j = 0; j < pcVPS->getNumScalabilityTypes() ; j++ ) { if ( !pcVPS->getSplittingFlag() ) { READ_CODE( pcVPS->getDimensionIdLen( j ), uiCode, "dimension_id[i][j]" ); pcVPS->setDimensionId( i, j, uiCode ); } else { pcVPS->setDimensionId( i, j, pcVPS->inferDimensionId( i, j) ); } } } pcVPS->initNumViews(); READ_CODE( 4, uiCode, "view_id_len" ); pcVPS->setViewIdLen( uiCode ); if ( pcVPS->getViewIdLen( ) > 0 ) { for( Int i = 0; i < pcVPS->getNumViews(); i++ ) { READ_CODE( pcVPS->getViewIdLen( ), uiCode, "view_id_val[i]" ); pcVPS->setViewIdVal( i, uiCode ); } } else { for( Int i = 0; i < pcVPS->getNumViews(); i++ ) { pcVPS->setViewIdVal( i, 0 ); } } #if NH_3D pcVPS->initViewCompLayer( ); #endif for( Int i = 1; i <= pcVPS->getMaxLayersMinus1(); i++ ) { for( Int j = 0; j < i; j++ ) { READ_FLAG( uiCode, "direct_dependency_flag[i][j]" ); pcVPS->setDirectDependencyFlag( i, j, uiCode ); } } pcVPS->setRefLayers(); if ( pcVPS->getNumIndependentLayers() > 1 ) { READ_UVLC( uiCode, "num_add_layer_sets" ); pcVPS->setNumAddLayerSets( uiCode ); } for (Int i = 0; i < pcVPS->getNumAddLayerSets(); i++) { for (Int j = 1; j < pcVPS->getNumIndependentLayers(); j++) { READ_CODE( pcVPS->getHighestLayerIdxPlus1Len( j ) , uiCode, "highest_layer_idx_plus1" ); pcVPS->setHighestLayerIdxPlus1( i, j, uiCode ); } pcVPS->deriveAddLayerSetLayerIdList( i ); } READ_FLAG( uiCode, "vps_sub_layers_max_minus1_present_flag" ); pcVPS->setVpsSubLayersMaxMinus1PresentFlag( uiCode == 1 ); if ( pcVPS->getVpsSubLayersMaxMinus1PresentFlag() ) { for (Int i = 0; i <= pcVPS->getMaxLayersMinus1(); i++ ) { READ_CODE( 3, uiCode, "sub_layers_vps_max_minus1" ); pcVPS->setSubLayersVpsMaxMinus1( i, uiCode ); pcVPS->checkSubLayersVpsMaxMinus1( i ); } } else { for (Int i = 0; i <= pcVPS->getMaxLayersMinus1(); i++ ) { pcVPS->setSubLayersVpsMaxMinus1( i, pcVPS->getMaxTLayers( ) - 1); } } READ_FLAG( uiCode, "max_tid_ref_present_flag" ); pcVPS->setMaxTidRefPresentFlag( uiCode == 1 ); if ( pcVPS->getMaxTidRefPresentFlag() ) { for( Int i = 0; i < pcVPS->getMaxLayersMinus1(); i++ ) { for( Int j = i + 1; j <= pcVPS->getMaxLayersMinus1(); j++ ) { if ( pcVPS->getDirectDependencyFlag(j,i) ) { READ_CODE( 3, uiCode, "max_tid_il_ref_pics_plus1" ); pcVPS->setMaxTidIlRefPicsPlus1( i, j, uiCode ); } } } } READ_FLAG( uiCode, "all_ref_layers_active_flag" ); pcVPS->setAllRefLayersActiveFlag( uiCode == 1 ); READ_UVLC( uiCode, "vps_num_profile_tier_level_minus1" ); pcVPS->setVpsNumProfileTierLevelMinus1( uiCode ); Int offsetVal = ( pcVPS->getMaxLayersMinus1() > 0 && pcVPS->getVpsBaseLayerInternalFlag() ) ? 2 : 1; for( Int i = pcVPS->getVpsBaseLayerInternalFlag() ? 2 : 1; i <= pcVPS->getVpsNumProfileTierLevelMinus1(); i++ ) { READ_FLAG( uiCode, "vps_profile_present_flag[i]" ); pcVPS->setVpsProfilePresentFlag( i, uiCode == 1 ); parsePTL ( pcVPS->getPTL( offsetVal ), pcVPS->getVpsProfilePresentFlag( i ), pcVPS->getMaxTLayers()-1); pcVPS->getPTL( offsetVal )->inferGeneralValues ( pcVPS->getVpsProfilePresentFlag( i ), offsetVal, pcVPS->getPTL( offsetVal - 1 ) ); pcVPS->getPTL( offsetVal )->inferSubLayerValues( pcVPS->getMaxSubLayersMinus1() , offsetVal, pcVPS->getPTL( offsetVal - 1 ) ); offsetVal++; } if (pcVPS->getNumLayerSets() > 1) { READ_UVLC( uiCode, "num_add_olss" ); pcVPS->setNumAddOlss( uiCode ); READ_CODE( 2, uiCode, "default_output_layer_idc" ); pcVPS->setDefaultOutputLayerIdc( std::min( uiCode, (UInt) 2 ) ); } pcVPS->initTargetLayerIdLists( ); pcVPS->setOutputLayerFlag(0, 0, pcVPS->inferOutputLayerFlag( 0, 0 )); pcVPS->setLayerSetIdxForOlsMinus1(0, -1); pcVPS->deriveNecessaryLayerFlags( 0 ); pcVPS->deriveTargetLayerIdList( 0 ); if (pcVPS->getVpsBaseLayerInternalFlag() ) { pcVPS->setProfileTierLevelIdx(0,0, pcVPS->inferProfileTierLevelIdx(0,0) ); } for( Int i = 1; i < pcVPS->getNumOutputLayerSets( ); i++ ) { if( pcVPS->getNumLayerSets() > 2 && i >= pcVPS->getNumLayerSets( ) ) { READ_CODE( pcVPS->getLayerSetIdxForOlsMinus1Len( i ), uiCode, "layer_set_idx_for_ols_minus1[i]" ); pcVPS->setLayerSetIdxForOlsMinus1( i, uiCode ); } if ( i > pcVPS->getVpsNumLayerSetsMinus1() || pcVPS->getDefaultOutputLayerIdc() == 2 ) { for( Int j = 0; j < pcVPS->getNumLayersInIdList( pcVPS->olsIdxToLsIdx( i ) ); j++ ) { READ_FLAG( uiCode, "output_layer_flag" ); pcVPS->setOutputLayerFlag( i, j, uiCode == 1 ); } } else { for( Int j = 0; j < pcVPS->getNumLayersInIdList( pcVPS->olsIdxToLsIdx( i ) ); j++ ) { pcVPS->setOutputLayerFlag(i,j, pcVPS->inferOutputLayerFlag( i, j )); } } pcVPS->deriveNecessaryLayerFlags( i ); pcVPS->deriveTargetLayerIdList( i ); for ( Int j = 0; j < pcVPS->getNumLayersInIdList( pcVPS->olsIdxToLsIdx(i)); j++ ) { if (pcVPS->getNecessaryLayerFlag( i, j ) && pcVPS->getVpsNumProfileTierLevelMinus1() > 0 ) { READ_CODE( pcVPS->getProfileTierLevelIdxLen(), uiCode,"profile_tier_level_idx[ i ][ j ]" ); pcVPS->setProfileTierLevelIdx( i, j, uiCode ); } if (pcVPS->getNecessaryLayerFlag( i, j ) && pcVPS->getVpsNumProfileTierLevelMinus1() == 0 ) { pcVPS->setProfileTierLevelIdx( i , j, pcVPS->inferProfileTierLevelIdx( i, j) ); } } if( pcVPS->getNumOutputLayersInOutputLayerSet( i ) == 1 && pcVPS->getNumDirectRefLayers( pcVPS->getOlsHighestOutputLayerId( i ) ) > 0 ) { READ_FLAG( uiCode, "alt_output_layer_flag[ i ]" ); pcVPS->setAltOutputLayerFlag( i, uiCode == 1 ); } } READ_UVLC( uiCode, "vps_num_rep_formats_minus1" ); pcVPS->setVpsNumRepFormatsMinus1( uiCode ); std::vector repFormats; repFormats.resize( pcVPS->getVpsNumRepFormatsMinus1() + 1 ); for (Int i = 0; i <= pcVPS->getVpsNumRepFormatsMinus1(); i++ ) { TComRepFormat* curRepFormat = &repFormats[i]; TComRepFormat* prevRepFormat = i > 0 ? &repFormats[ i - 1] : NULL; parseRepFormat( i, curRepFormat , prevRepFormat); } pcVPS->setRepFormat( repFormats ); if ( pcVPS->getVpsNumRepFormatsMinus1() > 0 ) { READ_FLAG( uiCode, "rep_format_idx_present_flag" ); pcVPS->setRepFormatIdxPresentFlag( uiCode == 1 ); } if( pcVPS->getRepFormatIdxPresentFlag() ) { for( Int i = pcVPS->getVpsBaseLayerInternalFlag() ? 1 : 0; i <= pcVPS->getMaxLayersMinus1(); i++ ) { READ_CODE( pcVPS->getVpsRepFormatIdxLen(), uiCode, "vps_rep_format_idx[i]" ); pcVPS->setVpsRepFormatIdx( i, uiCode ); } } else { for( Int i = pcVPS->getVpsBaseLayerInternalFlag() ? 1 : 0; i <= pcVPS->getMaxLayersMinus1(); i++ ) { pcVPS->setVpsRepFormatIdx( i, pcVPS->inferVpsRepFormatIdx( i ) ); } } READ_FLAG( uiCode, "max_one_active_ref_layer_flag" ); pcVPS->setMaxOneActiveRefLayerFlag ( uiCode == 1 ); READ_FLAG( uiCode, "vps_poc_lsb_aligned_flag" ); pcVPS->setVpsPocLsbAlignedFlag( uiCode == 1 ); for( Int i = 1; i <= pcVPS->getMaxLayersMinus1(); i++ ) { if( pcVPS->getNumDirectRefLayers( pcVPS->getLayerIdInNuh( i ) ) == 0 ) { READ_FLAG( uiCode, "poc_lsb_not_present_flag" ); pcVPS->setPocLsbNotPresentFlag( i, uiCode == 1 ); } } parseDpbSize( pcVPS ); READ_UVLC( uiCode, "direct_dep_type_len_minus2") ; pcVPS->setDirectDepTypeLenMinus2 ( uiCode ); READ_FLAG( uiCode, "default_direct_dependency_flag" ); pcVPS->setDefaultDirectDependencyFlag( uiCode == 1 ); if ( pcVPS->getDefaultDirectDependencyFlag( ) ) { READ_CODE( pcVPS->getDirectDepTypeLenMinus2( ) + 2, uiCode, "default_direct_dependency_type" ); pcVPS->setDefaultDirectDependencyType( uiCode ); } for( Int i = pcVPS->getVpsBaseLayerInternalFlag() ? 1 : 2; i <= pcVPS->getMaxLayersMinus1(); i++ ) { for( Int j = pcVPS->getVpsBaseLayerInternalFlag() ? 0 : 1; j < i; j++ ) { if (pcVPS->getDirectDependencyFlag( i, j) ) { if ( pcVPS->getDefaultDirectDependencyFlag( ) ) { pcVPS->setDirectDependencyType( i, j , pcVPS->getDefaultDirectDependencyType( ) ); } else { READ_CODE( pcVPS->getDirectDepTypeLenMinus2( ) + 2, uiCode, "direct_dependency_type[i][j]" ); pcVPS->setDirectDependencyType( i, j , uiCode); } } } } READ_UVLC( uiCode, "vps_non_vui_extension_length" ); pcVPS->setVpsNonVuiExtensionLength( uiCode ); for ( Int i = 1; i <= pcVPS->getVpsNonVuiExtensionLength(); i++ ) { READ_CODE( 8, uiCode, "vps_non_vui_extension_data_byte" ); } READ_FLAG( uiCode, "vps_vui_present_flag" ); pcVPS->setVpsVuiPresentFlag( uiCode == 1 ); TComVPSVUI vpsVui; if( pcVPS->getVpsVuiPresentFlag() ) { m_pcBitstream->readOutTrailingBits(); // vps_vui_alignment_bit_equal_to_one parseVPSVUI( pcVPS, &vpsVui ); } else { // inference of syntax elements that differ from default inference (as done in constructor), when VPS VUI is not present vpsVui.setCrossLayerIrapAlignedFlag( false ); } pcVPS->setVPSVUI( vpsVui ); pcVPS->checkVPSExtensionSyntax(); } Void TDecCavlc::parseRepFormat( Int i, TComRepFormat* pcRepFormat, const TComRepFormat* pcPrevRepFormat ) { assert( pcRepFormat ); UInt uiCode; READ_CODE( 16, uiCode, "pic_width_vps_in_luma_samples" ); pcRepFormat->setPicWidthVpsInLumaSamples ( uiCode ); READ_CODE( 16, uiCode, "pic_height_vps_in_luma_samples" ); pcRepFormat->setPicHeightVpsInLumaSamples( uiCode ); READ_FLAG( uiCode, "chroma_and_bit_depth_vps_present_flag" ); pcRepFormat->setChromaAndBitDepthVpsPresentFlag( uiCode == 1 ); pcRepFormat->checkChromaAndBitDepthVpsPresentFlag( i ); if ( pcRepFormat->getChromaAndBitDepthVpsPresentFlag() ) { READ_CODE( 2, uiCode, "chroma_format_vps_idc" ); pcRepFormat->setChromaFormatVpsIdc ( uiCode ); if ( pcRepFormat->getChromaFormatVpsIdc() == 3 ) { READ_FLAG( uiCode, "separate_colour_plane_vps_flag" ); pcRepFormat->setSeparateColourPlaneVpsFlag( uiCode == 1 ); } READ_CODE( 4, uiCode, "bit_depth_vps_luma_minus8" ); pcRepFormat->setBitDepthVpsLumaMinus8 ( uiCode ); READ_CODE( 4, uiCode, "bit_depth_vps_chroma_minus8" ); pcRepFormat->setBitDepthVpsChromaMinus8 ( uiCode ); } else { pcRepFormat->inferChromaAndBitDepth(pcPrevRepFormat ); } READ_FLAG( uiCode, "conformance_window_vps_flag" ); pcRepFormat->setConformanceWindowVpsFlag( uiCode == 1 ); if ( pcRepFormat->getConformanceWindowVpsFlag() ) { READ_UVLC( uiCode, "conf_win_vps_left_offset" ); pcRepFormat->setConfWinVpsLeftOffset( uiCode ); READ_UVLC( uiCode, "conf_win_vps_right_offset" ); pcRepFormat->setConfWinVpsRightOffset( uiCode ); READ_UVLC( uiCode, "conf_win_vps_top_offset" ); pcRepFormat->setConfWinVpsTopOffset( uiCode ); READ_UVLC( uiCode, "conf_win_vps_bottom_offset" ); pcRepFormat->setConfWinVpsBottomOffset( uiCode ); } } Void TDecCavlc::parseVPSVUI( const TComVPS* pcVPS, TComVPSVUI* vpsVui ) { assert( pcVPS ); assert( vpsVui ); vpsVui->init(pcVPS->getNumAddLayerSets(),pcVPS->getMaxSubLayersMinus1() + 1, pcVPS->getMaxLayersMinus1() + 1 ); UInt uiCode; READ_FLAG( uiCode, "cross_layer_pic_type_aligned_flag" ); vpsVui->setCrossLayerPicTypeAlignedFlag( uiCode == 1 ); if ( !vpsVui->getCrossLayerPicTypeAlignedFlag() ) { READ_FLAG( uiCode, "cross_layer_irap_aligned_flag" ); vpsVui->setCrossLayerIrapAlignedFlag( uiCode == 1 ); } if( vpsVui->getCrossLayerIrapAlignedFlag( ) ) { READ_FLAG( uiCode, "all_layers_idr_aligned_flag" ); vpsVui->setAllLayersIdrAlignedFlag( uiCode == 1 ); } READ_FLAG( uiCode, "bit_rate_present_vps_flag" ); vpsVui->setBitRatePresentVpsFlag( uiCode == 1 ); READ_FLAG( uiCode, "pic_rate_present_vps_flag" ); vpsVui->setPicRatePresentVpsFlag( uiCode == 1 ); if( vpsVui->getBitRatePresentVpsFlag( ) || vpsVui->getPicRatePresentVpsFlag( ) ) { for( Int i = pcVPS->getVpsBaseLayerInternalFlag() ? 0 : 1; i < pcVPS->getNumLayerSets(); i++ ) { for( Int j = 0; j <= pcVPS->getMaxSubLayersInLayerSetMinus1( i ); j++ ) { if( vpsVui->getBitRatePresentVpsFlag( ) ) { READ_FLAG( uiCode, "bit_rate_present_flag" ); vpsVui->setBitRatePresentFlag( i, j, uiCode == 1 ); } if( vpsVui->getPicRatePresentVpsFlag( ) ) { READ_FLAG( uiCode, "pic_rate_present_flag" ); vpsVui->setPicRatePresentFlag( i, j, uiCode == 1 ); } if( vpsVui->getBitRatePresentFlag( i, j ) ) { READ_CODE( 16, uiCode, "avg_bit_rate" ); vpsVui->setAvgBitRate( i, j, uiCode ); READ_CODE( 16, uiCode, "max_bit_rate" ); vpsVui->setMaxBitRate( i, j, uiCode ); } if( vpsVui->getPicRatePresentFlag( i, j ) ) { READ_CODE( 2, uiCode, "constant_pic_rate_idc" ); vpsVui->setConstantPicRateIdc( i, j, uiCode ); READ_CODE( 16, uiCode, "avg_pic_rate" ); vpsVui->setAvgPicRate( i, j, uiCode ); } } } } READ_FLAG( uiCode, "video_signal_info_idx_present_flag" ); vpsVui->setVideoSignalInfoIdxPresentFlag( uiCode == 1 ); if( vpsVui->getVideoSignalInfoIdxPresentFlag() ) { READ_CODE( 4, uiCode, "vps_num_video_signal_info_minus1" ); vpsVui->setVpsNumVideoSignalInfoMinus1( uiCode ); } else { vpsVui->setVpsNumVideoSignalInfoMinus1( (pcVPS->getMaxLayersMinus1() - pcVPS->getVpsBaseLayerInternalFlag()) ? 0 : 1 ); } std::vector videoSignalInfos; videoSignalInfos.resize(vpsVui->getVpsNumVideoSignalInfoMinus1() + 1 ); for( Int i = 0; i <= vpsVui->getVpsNumVideoSignalInfoMinus1(); i++ ) { parseVideoSignalInfo( &videoSignalInfos[i] ); } vpsVui->setVideoSignalInfo( videoSignalInfos ); if( vpsVui->getVideoSignalInfoIdxPresentFlag() && vpsVui->getVpsNumVideoSignalInfoMinus1() > 0 ) { for( Int i = pcVPS->getVpsBaseLayerInternalFlag() ? 0 : 1; i <= pcVPS->getMaxLayersMinus1(); i++ ) { READ_CODE( 4, uiCode, "vps_video_signal_info_idx" ); vpsVui->setVpsVideoSignalInfoIdx( i, uiCode ); } } else if ( !vpsVui->getVideoSignalInfoIdxPresentFlag() ) { for( Int i = pcVPS->getVpsBaseLayerInternalFlag() ? 0 : 1; i <= pcVPS->getMaxLayersMinus1(); i++ ) { vpsVui->setVpsVideoSignalInfoIdx( i, i ); } } else { for( Int i = pcVPS->getVpsBaseLayerInternalFlag() ? 0 : 1; i <= pcVPS->getMaxLayersMinus1(); i++ ) { vpsVui->setVpsVideoSignalInfoIdx( i, 0 ); } } READ_FLAG( uiCode, "tiles_not_in_use_flag" ); vpsVui->setTilesNotInUseFlag( uiCode == 1 ); if( !vpsVui->getTilesNotInUseFlag() ) { for( Int i = pcVPS->getVpsBaseLayerInternalFlag() ? 0 : 1; i <= pcVPS->getMaxLayersMinus1(); i++ ) { READ_FLAG( uiCode, "tiles_in_use_flag[i]" ); vpsVui->setTilesInUseFlag( i, uiCode == 1 ); if( vpsVui->getTilesInUseFlag( i ) ) { READ_FLAG( uiCode, "loop_filter_not_across_tiles_flag[i]" ); vpsVui->setLoopFilterNotAcrossTilesFlag( i, uiCode == 1 ); } } for( Int i = pcVPS->getVpsBaseLayerInternalFlag() ? 1 : 2; i <= pcVPS->getMaxLayersMinus1(); i++ ) { for( Int j = 0; j < pcVPS->getNumDirectRefLayers( pcVPS->getLayerIdInNuh( i ) ) ; j++ ) { Int layerIdx = pcVPS->getLayerIdInVps(pcVPS->getIdDirectRefLayer(pcVPS->getLayerIdInNuh( i ) , j )); if( vpsVui->getTilesInUseFlag( i ) && vpsVui->getTilesInUseFlag( layerIdx ) ) { READ_FLAG( uiCode, "tile_boundaries_aligned_flag[i][j]" ); vpsVui->setTileBoundariesAlignedFlag( i, j, uiCode == 1 ); } } } } READ_FLAG( uiCode, "wpp_not_in_use_flag" ); vpsVui->setWppNotInUseFlag( uiCode == 1 ); if( !vpsVui->getWppNotInUseFlag( )) { for( Int i = 0; i <= pcVPS->getMaxLayersMinus1(); i++ ) { READ_FLAG( uiCode, "wpp_in_use_flag[i]" ); vpsVui->setWppInUseFlag( i, uiCode == 1 ); } } READ_FLAG( uiCode, "single_layer_for_non_irap_flag" ); vpsVui->setSingleLayerForNonIrapFlag( uiCode == 1 ); READ_FLAG( uiCode, "higher_layer_irap_skip_flag" ); vpsVui->setHigherLayerIrapSkipFlag( uiCode == 1 ); READ_FLAG( uiCode, "ilp_restricted_ref_layers_flag" ); vpsVui->setIlpRestrictedRefLayersFlag( uiCode == 1 ); if( vpsVui->getIlpRestrictedRefLayersFlag( ) ) { for( Int i = 1; i <= pcVPS->getMaxLayersMinus1(); i++ ) { for( Int j = 0; j < pcVPS->getNumDirectRefLayers( pcVPS->getLayerIdInNuh( i ) ); j++ ) { if( pcVPS->getVpsBaseLayerInternalFlag() || pcVPS->getIdDirectRefLayer( pcVPS->getLayerIdInNuh( i ), j ) > 0 ) { READ_UVLC( uiCode, "min_spatial_segment_offset_plus1" ); vpsVui->setMinSpatialSegmentOffsetPlus1( i, j, uiCode ); if( vpsVui->getMinSpatialSegmentOffsetPlus1( i, j ) > 0 ) { READ_FLAG( uiCode, "ctu_based_offset_enabled_flag" ); vpsVui->setCtuBasedOffsetEnabledFlag( i, j, uiCode == 1 ); if( vpsVui->getCtuBasedOffsetEnabledFlag( i, j ) ) { READ_UVLC( uiCode, "min_horizontal_ctu_offset_plus1" ); vpsVui->setMinHorizontalCtuOffsetPlus1( i, j, uiCode ); } } } } } } READ_FLAG( uiCode, "vps_vui_bsp_hrd_present_flag" ); vpsVui->setVpsVuiBspHrdPresentFlag( uiCode == 1 ); if ( vpsVui->getVpsVuiBspHrdPresentFlag( ) ) { assert(pcVPS->getTimingInfo()->getTimingInfoPresentFlag() == 1); parseVpsVuiBspHrdParameters( pcVPS, vpsVui ); } for( Int i = 1; i <= pcVPS->getMaxLayersMinus1(); i++ ) { if( pcVPS->getNumDirectRefLayers( pcVPS->getLayerIdInNuh( i )) == 0 ) { READ_FLAG( uiCode, "base_layer_parameter_set_compatibility_flag" ); vpsVui->setBaseLayerParameterSetCompatibilityFlag( i, uiCode == 1 ); } } } Void TDecCavlc::parseVpsVuiBspHrdParameters( const TComVPS* pcVPS, TComVPSVUI* vpsVui ) { assert( pcVPS ); assert( vpsVui ); TComVpsVuiBspHrdParameters vpsVuiBspHrdP; UInt uiCode; READ_UVLC( uiCode, "vps_num_add_hrd_params" ); vpsVuiBspHrdP.setVpsNumAddHrdParams( uiCode ); vpsVuiBspHrdP.createAfterVpsNumAddHrdParams( pcVPS ); for( Int i = pcVPS->getNumHrdParameters(); i < pcVPS->getNumHrdParameters() + vpsVuiBspHrdP.getVpsNumAddHrdParams(); i++ ) { if( i > 0 ) { READ_FLAG( uiCode, "cprms_add_present_flag" ); vpsVuiBspHrdP.setCprmsAddPresentFlag( i, uiCode == 1 ); } else { vpsVuiBspHrdP.setCprmsAddPresentFlag( i, true ); } READ_UVLC( uiCode, "num_sub_layer_hrd_minus1" ); vpsVuiBspHrdP.setNumSubLayerHrdMinus1( i, uiCode ); TComHRD hrdParameters; parseHrdParameters( &hrdParameters, vpsVuiBspHrdP.getCprmsAddPresentFlag( i ), vpsVuiBspHrdP.getNumSubLayerHrdMinus1( i ) ); vpsVuiBspHrdP.setHrdParametermeters( i, hrdParameters ); } vpsVuiBspHrdP.setNumPartitionsInSchemeMinus1( 0, 0, 0); vpsVuiBspHrdP.createAfterNumPartitionsInSchemeMinus1( pcVPS, 0, 0 ); for( Int h = 0; h < pcVPS->getNumOutputLayerSets(); h++ ) { if ( h == 0) { vpsVuiBspHrdP.setNumSignalledPartitioningSchemes( h, 0 ); } else { READ_UVLC( uiCode, "num_signalled_partitioning_schemes" ); vpsVuiBspHrdP.setNumSignalledPartitioningSchemes( h, uiCode ); } vpsVuiBspHrdP.createAfterNumSignalledPartitioningSchemes( pcVPS, h ); for( Int j = 0; j < vpsVuiBspHrdP.getNumSignalledPartitioningSchemes( h ) + 1; j++ ) { if ( j == 0 && h == 0 ) { vpsVuiBspHrdP.setNumPartitionsInSchemeMinus1( h, j, uiCode ); } else if( j == 0 ) { vpsVuiBspHrdP.setNumPartitionsInSchemeMinus1( h, j, pcVPS->getNumLayersInIdList( h ) - 1 ); } else { READ_UVLC( uiCode, "num_partitions_in_scheme_minus1" ); vpsVuiBspHrdP.setNumPartitionsInSchemeMinus1( h, j, uiCode ); } vpsVuiBspHrdP.createAfterNumPartitionsInSchemeMinus1(pcVPS, h, j ); for( Int k = 0; k <= vpsVuiBspHrdP.getNumPartitionsInSchemeMinus1( h, j ); k++ ) { for( Int r = 0; r < pcVPS->getNumLayersInIdList(pcVPS->olsIdxToLsIdx( h ) ) ; r++ ) { if( h == 0 && j == 0 && k == 0 && r == 0 ) { vpsVuiBspHrdP.setLayerIncludedInPartitionFlag( h, j, k, r, true ); } else if ( h > 0 && j == 0 ) { vpsVuiBspHrdP.setLayerIncludedInPartitionFlag( h, j, k, r, (k == r) ); } else { READ_FLAG( uiCode, "layer_included_in_partition_flag" ); vpsVuiBspHrdP.setLayerIncludedInPartitionFlag( h, j, k, r, uiCode == 1 ); } } } } if ( h > 0 ) { for( Int i = 0; i < vpsVuiBspHrdP.getNumSignalledPartitioningSchemes( h ) + 1; i++ ) { for( Int t = 0; t <= pcVPS->getMaxSubLayersInLayerSetMinus1( pcVPS->olsIdxToLsIdx( i ) ); t++ ) { READ_UVLC( uiCode, "num_bsp_schedules_minus1" ); vpsVuiBspHrdP.setNumBspSchedulesMinus1( h, i, t, uiCode ); vpsVuiBspHrdP.createAfterNumBspSchedulesMinus1(pcVPS, h, i, t ); for( Int j = 0; j <= vpsVuiBspHrdP.getNumBspSchedulesMinus1( h, i, t ); j++ ) { for( Int k = 0; k <= vpsVuiBspHrdP.getNumPartitionsInSchemeMinus1( h, j ); k++ ) { READ_CODE( vpsVuiBspHrdP.getBspHrdIdxLen( pcVPS ), uiCode, "bsp_hrd_idx" ); vpsVuiBspHrdP.setBspHrdIdx( h, i, t, j, k, uiCode ); READ_UVLC( uiCode, "bsp_sched_idx" ); vpsVuiBspHrdP.setBspSchedIdx( h, i, t, j, k, uiCode ); } } } } } } vpsVui->setVpsVuiBspHrdParameters( vpsVuiBspHrdP ); } Void TDecCavlc::parseVideoSignalInfo( TComVideoSignalInfo* pcVideoSignalInfo ) { UInt uiCode; READ_CODE( 3, uiCode, "video_vps_format" ); pcVideoSignalInfo->setVideoVpsFormat( uiCode ); READ_FLAG( uiCode, "video_full_range_vps_flag" ); pcVideoSignalInfo->setVideoFullRangeVpsFlag( uiCode == 1 ); READ_CODE( 8, uiCode, "colour_primaries_vps" ); pcVideoSignalInfo->setColourPrimariesVps( uiCode ); READ_CODE( 8, uiCode, "transfer_characteristics_vps" ); pcVideoSignalInfo->setTransferCharacteristicsVps( uiCode ); READ_CODE( 8, uiCode, "matrix_coeffs_vps" ); pcVideoSignalInfo->setMatrixCoeffsVps( uiCode ); } Void TDecCavlc::parseDpbSize( TComVPS* vps ) { UInt uiCode; TComDpbSize dpbSize; dpbSize.init( vps->getNumOutputLayerSets(), vps->getVpsMaxLayerId() + 1, vps->getMaxSubLayersMinus1() + 1 ) ; for( Int i = 1; i < vps->getNumOutputLayerSets(); i++ ) { Int currLsIdx = vps->olsIdxToLsIdx( i ); READ_FLAG( uiCode, "sub_layer_flag_info_present_flag" ); dpbSize.setSubLayerFlagInfoPresentFlag( i, uiCode == 1 ); for( Int j = 0; j <= vps->getMaxSubLayersInLayerSetMinus1( currLsIdx ); j++ ) { if( j > 0 && dpbSize.getSubLayerDpbInfoPresentFlag( i, j ) ) { READ_FLAG( uiCode, "sub_layer_dpb_info_present_flag" ); dpbSize.setSubLayerDpbInfoPresentFlag( i, j, uiCode == 1 ); } if( dpbSize.getSubLayerDpbInfoPresentFlag( i, j ) ) { for( Int k = 0; k < vps->getNumLayersInIdList( currLsIdx ); k++ ) { if ( vps->getNecessaryLayerFlag( i, k ) && ( vps->getVpsBaseLayerInternalFlag() || ( vps->getLayerSetLayerIdList(vps->olsIdxToLsIdx(i),k) != 0 ) )) { READ_UVLC( uiCode, "max_vps_dec_pic_buffering_minus1" ); dpbSize.setMaxVpsDecPicBufferingMinus1( i, k, j, uiCode ); } else { if ( vps->getNecessaryLayerFlag( i, k ) && ( j == 0 ) && ( k == 0 )) { dpbSize.setMaxVpsDecPicBufferingMinus1(i ,k, j, 0 ); } } } READ_UVLC( uiCode, "max_vps_num_reorder_pics" ); dpbSize.setMaxVpsNumReorderPics( i, j, uiCode ); READ_UVLC( uiCode, "max_vps_latency_increase_plus1" ); dpbSize.setMaxVpsLatencyIncreasePlus1( i, j, uiCode ); } else { if ( j > 0 ) { for( Int k = 0; k < vps->getNumLayersInIdList( vps->olsIdxToLsIdx( i ) ); k++ ) { if ( vps->getNecessaryLayerFlag(i, k ) ) { dpbSize.setMaxVpsDecPicBufferingMinus1( i, k, j, dpbSize.getMaxVpsDecPicBufferingMinus1( i,k, j - 1 ) ); } } dpbSize.setMaxVpsNumReorderPics ( i, j, dpbSize.getMaxVpsNumReorderPics ( i, j - 1 ) ); dpbSize.setMaxVpsLatencyIncreasePlus1( i, j, dpbSize.getMaxVpsLatencyIncreasePlus1( i, j - 1 ) ); } } } } vps->setDpbSize( dpbSize ); } #if NH_3D Void TDecCavlc::parseVps3dExtension( TComVPS* pcVPS ) { UInt uiCode; READ_UVLC( uiCode, "cp_precision"); pcVPS->setCpPrecision( uiCode ) ; for (Int n = 1; n < pcVPS->getNumViews(); n++) { Int i = pcVPS->getViewOIdxList( n ); Int iInVps = pcVPS->getVoiInVps( i ); READ_CODE( 6, uiCode, "num_cp" ); pcVPS->setNumCp( iInVps, uiCode ); if( pcVPS->getNumCp( iInVps ) > 0 ) { READ_FLAG( uiCode, "cp_in_slice_segment_header_flag" ); pcVPS->setCpInSliceSegmentHeaderFlag( iInVps, uiCode == 1 ); for( Int m = 0; m < pcVPS->getNumCp( iInVps ); m++ ) { READ_UVLC( uiCode, "cp_ref_voi" ); pcVPS->setCpRefVoi( iInVps, m, uiCode ); if( !pcVPS->getCpInSliceSegmentHeaderFlag( iInVps ) ) { Int j = pcVPS->getCpRefVoi( iInVps, m ); Int jInVps = pcVPS->getVoiInVps( j ); Int iCode; READ_SVLC( iCode, "vps_cp_scale" ); pcVPS->setVpsCpScale ( iInVps, jInVps, iCode ); READ_SVLC( iCode, "vps_cp_off" ); pcVPS->setVpsCpOff ( iInVps, jInVps, iCode ); READ_SVLC( iCode, "vps_cp_inv_scale_plus_scale" ); pcVPS->setVpsCpInvScale( iInVps, jInVps, iCode - pcVPS->getVpsCpScale( iInVps, jInVps ) ); READ_SVLC( iCode, "vps_cp_inv_off_plus_off" ); pcVPS->setVpsCpInvOff ( iInVps, jInVps, iCode - pcVPS->getVpsCpOff ( iInVps, jInVps ) ); } } } } pcVPS->deriveCpPresentFlag(); } #endif #endif Void TDecCavlc::parseSliceHeader (TComSlice* pcSlice, ParameterSetManager *parameterSetManager, const Int prevTid0POC) { UInt uiCode; Int iCode; #if ENC_DEC_TRACE #if NH_MV tracePSHeader( "Slice", pcSlice->getLayerId() ); #else xTraceSliceHeader(); #endif #endif TComPPS* pps = NULL; TComSPS* sps = NULL; #if NH_MV TComVPS* vps = NULL; #endif UInt firstSliceSegmentInPic; READ_FLAG( firstSliceSegmentInPic, "first_slice_segment_in_pic_flag" ); if( pcSlice->getRapPicFlag()) { READ_FLAG( uiCode, "no_output_of_prior_pics_flag" ); //ignored -- updated already pcSlice->setNoOutputPriorPicsFlag(uiCode ? true : false); } READ_UVLC ( uiCode, "slice_pic_parameter_set_id" ); pcSlice->setPPSId(uiCode); pps = parameterSetManager->getPPS(uiCode); //!KS: need to add error handling code here, if PPS is not available assert(pps!=0); sps = parameterSetManager->getSPS(pps->getSPSId()); //!KS: need to add error handling code here, if SPS is not available assert(sps!=0); #if NH_MV vps = parameterSetManager->getVPS(sps->getVPSId()); assert( vps != NULL ); m_decTop->initFromActiveVps( vps ); Int targetOlsIdx = m_decTop->getTargetOlsIdx(); // Do inference sps->inferRepFormat ( vps , pcSlice->getLayerId(), false ); sps->inferScalingList( parameterSetManager->getActiveSPS( sps->getSpsScalingListRefLayerId() ) ); sps->inferSpsMaxDecPicBufferingMinus1( vps, targetOlsIdx, pcSlice->getLayerId(), false ); if( sps->getMultiLayerExtSpsFlag() ) { sps->setTemporalIdNestingFlag( (sps->getMaxTLayers() > 1) ? vps->getTemporalNestingFlag() : true ); } if ( sps->getVuiParametersPresentFlag() ) { sps->getVuiParameters()->inferVideoSignalInfo( vps, pcSlice->getLayerId() ); } pcSlice->setVPS(vps); pcSlice->setSPS(sps); pcSlice->setPPS(pps); pcSlice->setViewId ( vps->getViewId ( pcSlice->getLayerId() ) ); pcSlice->setViewIndex( vps->getViewIndex( pcSlice->getLayerId() ) ); #if NH_3D pcSlice->setIsDepth ( vps->getDepthId ( pcSlice->getLayerId() ) == 1 ); #endif #endif const ChromaFormat chFmt = sps->getChromaFormatIdc(); const UInt numValidComp=getNumberValidComponents(chFmt); const Bool bChroma=(chFmt!=CHROMA_400); if( pps->getDependentSliceSegmentsEnabledFlag() && ( !firstSliceSegmentInPic )) { READ_FLAG( uiCode, "dependent_slice_segment_flag" ); pcSlice->setDependentSliceSegmentFlag(uiCode ? true : false); } else { pcSlice->setDependentSliceSegmentFlag(false); } Int numCTUs = ((sps->getPicWidthInLumaSamples()+sps->getMaxCUWidth()-1)/sps->getMaxCUWidth())*((sps->getPicHeightInLumaSamples()+sps->getMaxCUHeight()-1)/sps->getMaxCUHeight()); UInt sliceSegmentAddress = 0; Int bitsSliceSegmentAddress = 0; while(numCTUs>(1<setSliceSegmentCurStartCtuTsAddr( sliceSegmentAddress );// this is actually a Raster-Scan (RS) address, but we do not have the RS->TS conversion table defined yet. pcSlice->setSliceSegmentCurEndCtuTsAddr(numCTUs); // Set end as the last CTU of the picture. #if NH_MV UInt slicePicOrderCntLsb = 0; #endif if (!pcSlice->getDependentSliceSegmentFlag()) { pcSlice->setSliceCurStartCtuTsAddr(sliceSegmentAddress); // this is actually a Raster-Scan (RS) address, but we do not have the RS->TS conversion table defined yet. pcSlice->setSliceCurEndCtuTsAddr(numCTUs); } if(!pcSlice->getDependentSliceSegmentFlag()) { #if NH_MV Int esb = 0; //Don't use i, otherwise will shadow something below if ( pps->getNumExtraSliceHeaderBits() > esb ) { esb++; READ_FLAG( uiCode, "discardable_flag" ); pcSlice->setDiscardableFlag( uiCode == 1 ); if ( uiCode == 1 ) { assert(pcSlice->getNalUnitType() != NAL_UNIT_CODED_SLICE_TRAIL_R && pcSlice->getNalUnitType() != NAL_UNIT_CODED_SLICE_TSA_R && pcSlice->getNalUnitType() != NAL_UNIT_CODED_SLICE_STSA_R && pcSlice->getNalUnitType() != NAL_UNIT_CODED_SLICE_RADL_R && pcSlice->getNalUnitType() != NAL_UNIT_CODED_SLICE_RASL_R); } } if ( pps->getNumExtraSliceHeaderBits() > esb ) { esb++; READ_FLAG( uiCode, "cross_layer_bla_flag" ); pcSlice->setCrossLayerBlaFlag( uiCode == 1 ); } pcSlice->checkCrossLayerBlaFlag( ); for (; esb < pps->getNumExtraSliceHeaderBits(); esb++) #else for (Int i = 0; i < pps->getNumExtraSliceHeaderBits(); i++) #endif { READ_FLAG(uiCode, "slice_reserved_flag[]"); // ignored } READ_UVLC ( uiCode, "slice_type" ); pcSlice->setSliceType((SliceType)uiCode); if( pps->getOutputFlagPresentFlag() ) { READ_FLAG( uiCode, "pic_output_flag" ); pcSlice->setPicOutputFlag( uiCode ? true : false ); } else { pcSlice->setPicOutputFlag( true ); } // if (separate_colour_plane_flag == 1) // read colour_plane_id // (separate_colour_plane_flag == 1) is not supported in this version of the standard. #if NH_MV Int iPOClsb = slicePicOrderCntLsb; // Needed later if ( (pcSlice->getLayerId() > 0 && !vps->getPocLsbNotPresentFlag( pcSlice->getLayerIdInVps())) || !pcSlice->getIdrPicFlag() ) { READ_CODE(sps->getBitsForPOC(), slicePicOrderCntLsb, "slice_pic_order_cnt_lsb"); } pcSlice->setSlicePicOrderCntLsb( slicePicOrderCntLsb ); Bool picOrderCntMSBZeroFlag = false; // as in HM code. However are all cases for IRAP picture with NoRaslOutputFlag equal to 1 covered?? picOrderCntMSBZeroFlag = picOrderCntMSBZeroFlag || ( pcSlice->getNalUnitType() == NAL_UNIT_CODED_SLICE_BLA_W_LP ); picOrderCntMSBZeroFlag = picOrderCntMSBZeroFlag || ( pcSlice->getNalUnitType() == NAL_UNIT_CODED_SLICE_BLA_W_RADL ); picOrderCntMSBZeroFlag = picOrderCntMSBZeroFlag || ( pcSlice->getNalUnitType() == NAL_UNIT_CODED_SLICE_BLA_N_LP ); picOrderCntMSBZeroFlag = picOrderCntMSBZeroFlag || pcSlice->getIdrPicFlag(); // TBD picOrderCntMSBZeroFlag = picOrderCntMSBZeroFlag || ( rpcSlice->getLayerId() > 0 && !rpcSlice->getFirstPicInLayerDecodedFlag() ); Int picOrderCntMSB = 0; if ( !picOrderCntMSBZeroFlag ) { Int prevPicOrderCnt = prevTid0POC; Int maxPicOrderCntLsb = 1 << sps->getBitsForPOC(); Int prevPicOrderCntLsb = prevPicOrderCnt & (maxPicOrderCntLsb - 1); Int prevPicOrderCntMsb = prevPicOrderCnt - prevPicOrderCntLsb; if( ( slicePicOrderCntLsb < prevPicOrderCntLsb ) && ( ( prevPicOrderCntLsb - slicePicOrderCntLsb ) >= ( maxPicOrderCntLsb / 2 ) ) ) { picOrderCntMSB = prevPicOrderCntMsb + maxPicOrderCntLsb; } else if( (slicePicOrderCntLsb > prevPicOrderCntLsb ) && ( (slicePicOrderCntLsb - prevPicOrderCntLsb ) > ( maxPicOrderCntLsb / 2 ) ) ) { picOrderCntMSB = prevPicOrderCntMsb - maxPicOrderCntLsb; } else { picOrderCntMSB = prevPicOrderCntMsb; } } pcSlice->setPOC( picOrderCntMSB + slicePicOrderCntLsb ); if ( pcSlice->getPocResetFlag() ) { pcSlice->setPocBeforeReset ( pcSlice->getPOC() ); pcSlice->setPOC ( 0 ); } #endif if( pcSlice->getIdrPicFlag() ) { #if !NH_MV pcSlice->setPOC(0); #endif TComReferencePictureSet* rps = pcSlice->getLocalRPS(); rps->setNumberOfNegativePictures(0); rps->setNumberOfPositivePictures(0); rps->setNumberOfLongtermPictures(0); rps->setNumberOfPictures(0); pcSlice->setRPS(rps); #if NH_MV pcSlice->setEnableTMVPFlag(false); #endif } else { #if !NH_MV READ_CODE(sps->getBitsForPOC(), uiCode, "slice_pic_order_cnt_lsb"); Int iPOClsb = uiCode; Int iPrevPOC = prevTid0POC; Int iMaxPOClsb = 1<< sps->getBitsForPOC(); Int iPrevPOClsb = iPrevPOC & (iMaxPOClsb - 1); Int iPrevPOCmsb = iPrevPOC-iPrevPOClsb; Int iPOCmsb; if( ( iPOClsb < iPrevPOClsb ) && ( ( iPrevPOClsb - iPOClsb ) >= ( iMaxPOClsb / 2 ) ) ) { iPOCmsb = iPrevPOCmsb + iMaxPOClsb; } else if( (iPOClsb > iPrevPOClsb ) && ( (iPOClsb - iPrevPOClsb ) > ( iMaxPOClsb / 2 ) ) ) { iPOCmsb = iPrevPOCmsb - iMaxPOClsb; } else { iPOCmsb = iPrevPOCmsb; } if ( pcSlice->getNalUnitType() == NAL_UNIT_CODED_SLICE_BLA_W_LP || pcSlice->getNalUnitType() == NAL_UNIT_CODED_SLICE_BLA_W_RADL || pcSlice->getNalUnitType() == NAL_UNIT_CODED_SLICE_BLA_N_LP ) { // For BLA picture types, POCmsb is set to 0. iPOCmsb = 0; } pcSlice->setPOC (iPOCmsb+iPOClsb); #endif TComReferencePictureSet* rps; rps = pcSlice->getLocalRPS(); pcSlice->setRPS(rps); READ_FLAG( uiCode, "short_term_ref_pic_set_sps_flag" ); if(uiCode == 0) // use short-term reference picture set explicitly signalled in slice header { parseShortTermRefPicSet(sps,rps, sps->getRPSList()->getNumberOfReferencePictureSets()); #if NH_MV if ( !rps->getInterRPSPrediction( ) ) { // check sum of num_positive_pics and num_negative_pics rps->checkMaxNumPics( vps->getVpsExtensionFlag(), MAX_INT, // To be replaced by MaxDbpSize pcSlice->getLayerId(), sps->getMaxDecPicBuffering( sps->getSpsMaxSubLayersMinus1() ) - 1 ); } #endif } else // use reference to short-term reference picture set in PPS { Int numBits = 0; while ((1 << numBits) < sps->getRPSList()->getNumberOfReferencePictureSets()) { numBits++; } if (numBits > 0) { READ_CODE( numBits, uiCode, "short_term_ref_pic_set_idx"); } else { uiCode = 0; } *rps = *(sps->getRPSList()->getReferencePictureSet(uiCode)); } if(sps->getLongTermRefsPresent()) { Int offset = rps->getNumberOfNegativePictures()+rps->getNumberOfPositivePictures(); UInt numOfLtrp = 0; UInt numLtrpInSPS = 0; if (sps->getNumLongTermRefPicSPS() > 0) { READ_UVLC( uiCode, "num_long_term_sps"); numLtrpInSPS = uiCode; numOfLtrp += numLtrpInSPS; rps->setNumberOfLongtermPictures(numOfLtrp); } Int bitsForLtrpInSPS = 0; while (sps->getNumLongTermRefPicSPS() > (1 << bitsForLtrpInSPS)) { bitsForLtrpInSPS++; } READ_UVLC( uiCode, "num_long_term_pics"); rps->setNumberOfLongtermPictures(uiCode); numOfLtrp += uiCode; rps->setNumberOfLongtermPictures(numOfLtrp); Int maxPicOrderCntLSB = 1 << sps->getBitsForPOC(); Int prevDeltaMSB = 0, deltaPocMSBCycleLT = 0; for(Int j=offset+rps->getNumberOfLongtermPictures()-1, k = 0; k < numOfLtrp; j--, k++) { Int pocLsbLt; if (k < numLtrpInSPS) { uiCode = 0; if (bitsForLtrpInSPS > 0) { READ_CODE(bitsForLtrpInSPS, uiCode, "lt_idx_sps[i]"); } Bool usedByCurrFromSPS=sps->getUsedByCurrPicLtSPSFlag(uiCode); pocLsbLt = sps->getLtRefPicPocLsbSps(uiCode); rps->setUsed(j,usedByCurrFromSPS); } else { READ_CODE(sps->getBitsForPOC(), uiCode, "poc_lsb_lt"); pocLsbLt= uiCode; READ_FLAG( uiCode, "used_by_curr_pic_lt_flag"); rps->setUsed(j,uiCode); } READ_FLAG(uiCode,"delta_poc_msb_present_flag"); Bool mSBPresentFlag = uiCode ? true : false; if(mSBPresentFlag) { READ_UVLC( uiCode, "delta_poc_msb_cycle_lt[i]" ); Bool deltaFlag = false; // First LTRP || First LTRP from SH if( (j == offset+rps->getNumberOfLongtermPictures()-1) || (j == offset+(numOfLtrp-numLtrpInSPS)-1) ) { deltaFlag = true; } if(deltaFlag) { deltaPocMSBCycleLT = uiCode; } else { deltaPocMSBCycleLT = uiCode + prevDeltaMSB; } Int pocLTCurr = pcSlice->getPOC() - deltaPocMSBCycleLT * maxPicOrderCntLSB - iPOClsb + pocLsbLt; rps->setPOC (j, pocLTCurr); rps->setDeltaPOC(j, - pcSlice->getPOC() + pocLTCurr); rps->setCheckLTMSBPresent(j,true); } else { rps->setPOC (j, pocLsbLt); rps->setDeltaPOC(j, - pcSlice->getPOC() + pocLsbLt); rps->setCheckLTMSBPresent(j,false); // reset deltaPocMSBCycleLT for first LTRP from slice header if MSB not present if( j == offset+(numOfLtrp-numLtrpInSPS)-1 ) { deltaPocMSBCycleLT = 0; } } prevDeltaMSB = deltaPocMSBCycleLT; } offset += rps->getNumberOfLongtermPictures(); rps->setNumberOfPictures(offset); } #if NH_MV if ( !rps->getInterRPSPrediction( ) ) { // check sum of NumPositivePics, NumNegativePics, num_long_term_sps and num_long_term_pics rps->checkMaxNumPics( vps->getVpsExtensionFlag(), MAX_INT, // To be replaced by MaxDbpsize pcSlice->getLayerId(), sps->getMaxDecPicBuffering( sps->getSpsMaxSubLayersMinus1() ) - 1 ); } #endif if ( pcSlice->getNalUnitType() == NAL_UNIT_CODED_SLICE_BLA_W_LP || pcSlice->getNalUnitType() == NAL_UNIT_CODED_SLICE_BLA_W_RADL || pcSlice->getNalUnitType() == NAL_UNIT_CODED_SLICE_BLA_N_LP ) { // In the case of BLA picture types, rps data is read from slice header but ignored rps = pcSlice->getLocalRPS(); rps->setNumberOfNegativePictures(0); rps->setNumberOfPositivePictures(0); rps->setNumberOfLongtermPictures(0); rps->setNumberOfPictures(0); pcSlice->setRPS(rps); } if (sps->getTMVPFlagsPresent()) { #if NH_MV READ_FLAG( uiCode, "slice_temporal_mvp_enabled_flag" ); #else READ_FLAG( uiCode, "slice_temporal_mvp_enabled_flag" ); #endif pcSlice->setEnableTMVPFlag( uiCode == 1 ? true : false ); } else { pcSlice->setEnableTMVPFlag(false); } } #if NH_MV Bool interLayerPredLayerIdcPresentFlag = false; Int layerId = pcSlice->getLayerId(); #if NH_3D if( pcSlice->getLayerId() > 0 && !vps->getAllRefLayersActiveFlag() && vps->getNumRefListLayers( layerId ) > 0 ) #else if( pcSlice->getLayerId() > 0 && !vps->getAllRefLayersActiveFlag() && vps->getNumDirectRefLayers( layerId ) > 0 ) #endif { READ_FLAG( uiCode, "inter_layer_pred_enabled_flag" ); pcSlice->setInterLayerPredEnabledFlag( uiCode == 1 ); #if NH_3D if( pcSlice->getInterLayerPredEnabledFlag() && vps->getNumRefListLayers( layerId ) > 1 ) #else if( pcSlice->getInterLayerPredEnabledFlag() && vps->getNumDirectRefLayers( layerId ) > 1 ) #endif { if( !vps->getMaxOneActiveRefLayerFlag()) { READ_CODE( pcSlice->getNumInterLayerRefPicsMinus1Len( ), uiCode, "num_inter_layer_ref_pics_minus1" ); pcSlice->setNumInterLayerRefPicsMinus1( uiCode ); } #if NH_3D if ( pcSlice->getNumActiveRefLayerPics() != vps->getNumRefListLayers( layerId ) ) #else if ( pcSlice->getNumActiveRefLayerPics() != vps->getNumDirectRefLayers( layerId ) ) #endif { interLayerPredLayerIdcPresentFlag = true; for( Int idx = 0; idx < pcSlice->getNumActiveRefLayerPics(); idx++ ) { READ_CODE( pcSlice->getInterLayerPredLayerIdcLen( ), uiCode, "inter_layer_pred_layer_idc" ); pcSlice->setInterLayerPredLayerIdc( idx, uiCode ); } } } } if ( !interLayerPredLayerIdcPresentFlag ) { for( Int i = 0; i < pcSlice->getNumActiveRefLayerPics(); i++ ) { pcSlice->setInterLayerPredLayerIdc( i, pcSlice->getRefLayerPicIdc( i ) ); } } #if NH_3D if ( getDecTop()->decProcAnnexI() ) { pcSlice->deriveInCmpPredAndCpAvailFlag( ); if ( pcSlice->getInCmpPredAvailFlag() ) { READ_FLAG(uiCode, "in_comp_pred_flag"); pcSlice->setInCompPredFlag((Bool)uiCode); } pcSlice->init3dToolParameters(); } #endif #endif if(sps->getUseSAO()) { READ_FLAG(uiCode, "slice_sao_luma_flag"); pcSlice->setSaoEnabledFlag(CHANNEL_TYPE_LUMA, (Bool)uiCode); if (bChroma) { READ_FLAG(uiCode, "slice_sao_chroma_flag"); pcSlice->setSaoEnabledFlag(CHANNEL_TYPE_CHROMA, (Bool)uiCode); } } if (pcSlice->getIdrPicFlag()) { pcSlice->setEnableTMVPFlag(false); } if (!pcSlice->isIntra()) { READ_FLAG( uiCode, "num_ref_idx_active_override_flag"); if (uiCode) { READ_UVLC (uiCode, "num_ref_idx_l0_active_minus1" ); pcSlice->setNumRefIdx( REF_PIC_LIST_0, uiCode + 1 ); if (pcSlice->isInterB()) { READ_UVLC (uiCode, "num_ref_idx_l1_active_minus1" ); pcSlice->setNumRefIdx( REF_PIC_LIST_1, uiCode + 1 ); } else { pcSlice->setNumRefIdx(REF_PIC_LIST_1, 0); } } else { pcSlice->setNumRefIdx(REF_PIC_LIST_0, pps->getNumRefIdxL0DefaultActive()); if (pcSlice->isInterB()) { pcSlice->setNumRefIdx(REF_PIC_LIST_1, pps->getNumRefIdxL1DefaultActive()); } else { pcSlice->setNumRefIdx(REF_PIC_LIST_1,0); } } } // } TComRefPicListModification* refPicListModification = pcSlice->getRefPicListModification(); if(!pcSlice->isIntra()) { if( !pps->getListsModificationPresentFlag() || pcSlice->getNumRpsCurrTempList() <= 1 ) { refPicListModification->setRefPicListModificationFlagL0( 0 ); } else { READ_FLAG( uiCode, "ref_pic_list_modification_flag_l0" ); refPicListModification->setRefPicListModificationFlagL0( uiCode ? 1 : 0 ); } if(refPicListModification->getRefPicListModificationFlagL0()) { uiCode = 0; Int i = 0; Int numRpsCurrTempList0 = pcSlice->getNumRpsCurrTempList(); if ( numRpsCurrTempList0 > 1 ) { Int length = 1; numRpsCurrTempList0 --; while ( numRpsCurrTempList0 >>= 1) { length ++; } for (i = 0; i < pcSlice->getNumRefIdx(REF_PIC_LIST_0); i ++) { READ_CODE( length, uiCode, "list_entry_l0" ); refPicListModification->setRefPicSetIdxL0(i, uiCode ); } } else { for (i = 0; i < pcSlice->getNumRefIdx(REF_PIC_LIST_0); i ++) { refPicListModification->setRefPicSetIdxL0(i, 0 ); } } } } else { refPicListModification->setRefPicListModificationFlagL0(0); } if(pcSlice->isInterB()) { if( !pps->getListsModificationPresentFlag() || pcSlice->getNumRpsCurrTempList() <= 1 ) { refPicListModification->setRefPicListModificationFlagL1( 0 ); } else { READ_FLAG( uiCode, "ref_pic_list_modification_flag_l1" ); refPicListModification->setRefPicListModificationFlagL1( uiCode ? 1 : 0 ); } if(refPicListModification->getRefPicListModificationFlagL1()) { uiCode = 0; Int i = 0; Int numRpsCurrTempList1 = pcSlice->getNumRpsCurrTempList(); if ( numRpsCurrTempList1 > 1 ) { Int length = 1; numRpsCurrTempList1 --; while ( numRpsCurrTempList1 >>= 1) { length ++; } for (i = 0; i < pcSlice->getNumRefIdx(REF_PIC_LIST_1); i ++) { READ_CODE( length, uiCode, "list_entry_l1" ); refPicListModification->setRefPicSetIdxL1(i, uiCode ); } } else { for (i = 0; i < pcSlice->getNumRefIdx(REF_PIC_LIST_1); i ++) { refPicListModification->setRefPicSetIdxL1(i, 0 ); } } } } else { refPicListModification->setRefPicListModificationFlagL1(0); } if (pcSlice->isInterB()) { READ_FLAG( uiCode, "mvd_l1_zero_flag" ); pcSlice->setMvdL1ZeroFlag( (uiCode ? true : false) ); } pcSlice->setCabacInitFlag( false ); // default if(pps->getCabacInitPresentFlag() && !pcSlice->isIntra()) { READ_FLAG(uiCode, "cabac_init_flag"); pcSlice->setCabacInitFlag( uiCode ? true : false ); } if ( pcSlice->getEnableTMVPFlag() ) { if ( pcSlice->getSliceType() == B_SLICE ) { READ_FLAG( uiCode, "collocated_from_l0_flag" ); pcSlice->setColFromL0Flag(uiCode); } else { pcSlice->setColFromL0Flag( 1 ); } 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))) { READ_UVLC( uiCode, "collocated_ref_idx" ); pcSlice->setColRefIdx(uiCode); } else { pcSlice->setColRefIdx(0); } } if ( (pps->getUseWP() && pcSlice->getSliceType()==P_SLICE) || (pps->getWPBiPred() && pcSlice->getSliceType()==B_SLICE) ) { xParsePredWeightTable(pcSlice, sps); pcSlice->initWpScaling(sps); } #if H_3D_IC else if( pcSlice->getViewIndex() && ( pcSlice->getSliceType() == P_SLICE || pcSlice->getSliceType() == B_SLICE ) && !pcSlice->getIsDepth() && vps->getNumRefListLayers( layerId ) > 0 && getDecTop()->decProcAnnexI() ) { UInt uiCodeTmp = 0; READ_FLAG ( uiCodeTmp, "slice_ic_enable_flag" ); pcSlice->setApplyIC( uiCodeTmp ); if ( uiCodeTmp ) { READ_FLAG ( uiCodeTmp, "ic_skip_mergeidx0" ); pcSlice->setIcSkipParseFlag( uiCodeTmp ); } } #endif if (!pcSlice->isIntra()) { READ_UVLC( uiCode, "five_minus_max_num_merge_cand"); #if H_3D_IV_MERGE pcSlice->setMaxNumMergeCand(( ( pcSlice->getMpiFlag() || pcSlice->getIvMvPredFlag() || pcSlice->getViewSynthesisPredFlag() ) ? MRG_MAX_NUM_CANDS_MEM : MRG_MAX_NUM_CANDS) - uiCode); #else pcSlice->setMaxNumMergeCand(MRG_MAX_NUM_CANDS - uiCode); #endif } READ_SVLC( iCode, "slice_qp_delta" ); pcSlice->setSliceQp (26 + pps->getPicInitQPMinus26() + iCode); assert( pcSlice->getSliceQp() >= -sps->getQpBDOffset(CHANNEL_TYPE_LUMA) ); assert( pcSlice->getSliceQp() <= 51 ); if (pps->getSliceChromaQpFlag()) { if (numValidComp>COMPONENT_Cb) { READ_SVLC( iCode, "slice_cb_qp_offset" ); pcSlice->setSliceChromaQpDelta(COMPONENT_Cb, iCode ); assert( pcSlice->getSliceChromaQpDelta(COMPONENT_Cb) >= -12 ); assert( pcSlice->getSliceChromaQpDelta(COMPONENT_Cb) <= 12 ); assert( (pps->getQpOffset(COMPONENT_Cb) + pcSlice->getSliceChromaQpDelta(COMPONENT_Cb)) >= -12 ); assert( (pps->getQpOffset(COMPONENT_Cb) + pcSlice->getSliceChromaQpDelta(COMPONENT_Cb)) <= 12 ); } if (numValidComp>COMPONENT_Cr) { READ_SVLC( iCode, "slice_cr_qp_offset" ); pcSlice->setSliceChromaQpDelta(COMPONENT_Cr, iCode ); assert( pcSlice->getSliceChromaQpDelta(COMPONENT_Cr) >= -12 ); assert( pcSlice->getSliceChromaQpDelta(COMPONENT_Cr) <= 12 ); assert( (pps->getQpOffset(COMPONENT_Cr) + pcSlice->getSliceChromaQpDelta(COMPONENT_Cr)) >= -12 ); assert( (pps->getQpOffset(COMPONENT_Cr) + pcSlice->getSliceChromaQpDelta(COMPONENT_Cr)) <= 12 ); } } if (pps->getPpsRangeExtension().getChromaQpOffsetListEnabledFlag()) { READ_FLAG(uiCode, "cu_chroma_qp_offset_enabled_flag"); pcSlice->setUseChromaQpAdj(uiCode != 0); } else { pcSlice->setUseChromaQpAdj(false); } if (pps->getDeblockingFilterControlPresentFlag()) { if(pps->getDeblockingFilterOverrideEnabledFlag()) { READ_FLAG ( uiCode, "deblocking_filter_override_flag" ); pcSlice->setDeblockingFilterOverrideFlag(uiCode ? true : false); } else { pcSlice->setDeblockingFilterOverrideFlag(0); } if(pcSlice->getDeblockingFilterOverrideFlag()) { READ_FLAG ( uiCode, "slice_disable_deblocking_filter_flag" ); pcSlice->setDeblockingFilterDisable(uiCode ? 1 : 0); if(!pcSlice->getDeblockingFilterDisable()) { READ_SVLC( iCode, "slice_beta_offset_div2" ); pcSlice->setDeblockingFilterBetaOffsetDiv2(iCode); assert(pcSlice->getDeblockingFilterBetaOffsetDiv2() >= -6 && pcSlice->getDeblockingFilterBetaOffsetDiv2() <= 6); READ_SVLC( iCode, "slice_tc_offset_div2" ); pcSlice->setDeblockingFilterTcOffsetDiv2(iCode); assert(pcSlice->getDeblockingFilterTcOffsetDiv2() >= -6 && pcSlice->getDeblockingFilterTcOffsetDiv2() <= 6); } } else { pcSlice->setDeblockingFilterDisable ( pps->getPicDisableDeblockingFilterFlag() ); pcSlice->setDeblockingFilterBetaOffsetDiv2( pps->getDeblockingFilterBetaOffsetDiv2() ); pcSlice->setDeblockingFilterTcOffsetDiv2 ( pps->getDeblockingFilterTcOffsetDiv2() ); } } else { pcSlice->setDeblockingFilterDisable ( false ); pcSlice->setDeblockingFilterBetaOffsetDiv2( 0 ); pcSlice->setDeblockingFilterTcOffsetDiv2 ( 0 ); } Bool isSAOEnabled = sps->getUseSAO() && (pcSlice->getSaoEnabledFlag(CHANNEL_TYPE_LUMA) || (bChroma && pcSlice->getSaoEnabledFlag(CHANNEL_TYPE_CHROMA))); Bool isDBFEnabled = (!pcSlice->getDeblockingFilterDisable()); if(pps->getLoopFilterAcrossSlicesEnabledFlag() && ( isSAOEnabled || isDBFEnabled )) { READ_FLAG( uiCode, "slice_loop_filter_across_slices_enabled_flag"); } else { uiCode = pps->getLoopFilterAcrossSlicesEnabledFlag()?1:0; } pcSlice->setLFCrossSliceBoundaryFlag( (uiCode==1)?true:false); #if NH_3D if ( getDecTop()->decProcAnnexI() ) { Int voiInVps = vps->getVoiInVps( pcSlice->getViewIndex() ); if( vps->getCpInSliceSegmentHeaderFlag( voiInVps ) && !pcSlice->getIsDepth() ) { for( Int m = 0; m < vps->getNumCp( voiInVps ); m++ ) { Int jInVps = vps->getVoiInVps( vps->getCpRefVoi( voiInVps, m )); READ_SVLC( iCode, "cp_scale" ); pcSlice->setCpScale ( jInVps, iCode ); READ_SVLC( iCode, "cp_off" ); pcSlice->setCpOff ( jInVps, iCode ); READ_SVLC( iCode, "cp_inv_scale_plus_scale" ); pcSlice->setCpInvScale( jInVps, iCode - pcSlice->getCpScale ( jInVps )); READ_SVLC( iCode, "cp_inv_off_plus_off" ); pcSlice->setCpInvOff ( jInVps, iCode - pcSlice->getCpOff ( jInVps )); } } } #endif } std::vector entryPointOffset; if( pps->getTilesEnabledFlag() || pps->getEntropyCodingSyncEnabledFlag() ) { UInt numEntryPointOffsets; UInt offsetLenMinus1; READ_UVLC(numEntryPointOffsets, "num_entry_point_offsets"); if (numEntryPointOffsets>0) { READ_UVLC(offsetLenMinus1, "offset_len_minus1"); entryPointOffset.resize(numEntryPointOffsets); for (UInt idx=0; idxgetSliceHeaderExtensionPresentFlag()) { #if NH_MV READ_UVLC( uiCode, "slice_segment_header_extension_length" ); pcSlice->setSliceSegmentHeaderExtensionLength( uiCode ); UInt posFollSliceSegHeaderExtLen = m_pcBitstream->getNumBitsRead(); if( pps->getPocResetInfoPresentFlag() ) { READ_CODE( 2, uiCode, "poc_reset_idc" ); pcSlice->setPocResetIdc( uiCode ); } else { pcSlice->setPocResetIdc( 0 ); } pcSlice->checkPocResetIdc(); if ( pcSlice->getVPS()->getPocLsbNotPresentFlag(pcSlice->getLayerId()) && slicePicOrderCntLsb > 0 ) { assert( pcSlice->getPocResetIdc() != 2 ); } if( pcSlice->getPocResetIdc() != 0 ) { READ_CODE( 6, uiCode, "poc_reset_period_id" ); pcSlice->setPocResetPeriodId( uiCode ); } else { // TODO Copy poc_reset_period from earlier picture pcSlice->setPocResetPeriodId( 0 ); } if( pcSlice->getPocResetIdc() == 3 ) { READ_FLAG( uiCode, "full_poc_reset_flag" ); pcSlice->setFullPocResetFlag( uiCode == 1 ); READ_CODE( pcSlice->getPocLsbValLen() , uiCode, "poc_lsb_val" ); pcSlice->setPocLsbVal( uiCode ); } pcSlice->checkPocLsbVal(); // Derive the value of PocMs8bValRequiredFlag if( !pcSlice->getPocMsbValRequiredFlag() && pcSlice->getVPS()->getVpsPocLsbAlignedFlag() ) { READ_FLAG( uiCode, "poc_msb_val_present_flag" ); pcSlice->setPocMsbValPresentFlag( uiCode == 1 ); } else { pcSlice->setPocMsbValPresentFlag( pcSlice->inferPocMsbValPresentFlag( ) ); } if( pcSlice->getPocMsbValPresentFlag() ) { READ_UVLC( uiCode, "poc_msb_val" ); pcSlice->setPocMsbVal( uiCode ); } while( ( m_pcBitstream->getNumBitsRead() - posFollSliceSegHeaderExtLen ) < pcSlice->getSliceSegmentHeaderExtensionLength() * 8 ) { READ_FLAG( uiCode, "slice_segment_header_extension_data_bit" ); } assert( ( m_pcBitstream->getNumBitsRead() - posFollSliceSegHeaderExtLen ) == pcSlice->getSliceSegmentHeaderExtensionLength() * 8 ); } #else READ_UVLC(uiCode,"slice_segment_header_extension_length"); for(Int i=0; ireadByteAlignment(),0); #else m_pcBitstream->readByteAlignment(); #endif pcSlice->clearSubstreamSizes(); if( pps->getTilesEnabledFlag() || pps->getEntropyCodingSyncEnabledFlag() ) { Int endOfSliceHeaderLocation = m_pcBitstream->getByteLocation(); // Adjust endOfSliceHeaderLocation to account for emulation prevention bytes in the slice segment header for ( UInt curByteIdx = 0; curByteIdxnumEmulationPreventionBytesRead(); curByteIdx++ ) { if ( m_pcBitstream->getEmulationPreventionByteLocation( curByteIdx ) < endOfSliceHeaderLocation ) { endOfSliceHeaderLocation++; } } Int curEntryPointOffset = 0; Int prevEntryPointOffset = 0; for (UInt idx=0; idxnumEmulationPreventionBytesRead(); curByteIdx++ ) { if ( m_pcBitstream->getEmulationPreventionByteLocation( curByteIdx ) >= ( prevEntryPointOffset + endOfSliceHeaderLocation ) && m_pcBitstream->getEmulationPreventionByteLocation( curByteIdx ) < ( curEntryPointOffset + endOfSliceHeaderLocation ) ) { emulationPreventionByteCount++; } } entryPointOffset[ idx ] -= emulationPreventionByteCount; prevEntryPointOffset = curEntryPointOffset; pcSlice->addSubstreamSize(entryPointOffset [ idx ] ); } } return; } Void TDecCavlc::parsePTL( TComPTL *rpcPTL, Bool profilePresentFlag, Int maxNumSubLayersMinus1 ) { UInt uiCode; if(profilePresentFlag) { parseProfileTier(rpcPTL->getGeneralPTL(), false); } READ_CODE( 8, uiCode, "general_level_idc" ); rpcPTL->getGeneralPTL()->setLevelIdc(Level::Name(uiCode)); for (Int i = 0; i < maxNumSubLayersMinus1; i++) { READ_FLAG( uiCode, "sub_layer_profile_present_flag[i]" ); rpcPTL->setSubLayerProfilePresentFlag(i, uiCode); READ_FLAG( uiCode, "sub_layer_level_present_flag[i]" ); rpcPTL->setSubLayerLevelPresentFlag (i, uiCode); #if NH_MV // When profilePresentFlag is equal to 0, sub_layer_profile_present_flag[ i ] shall be equal to 0. assert( profilePresentFlag || !rpcPTL->getSubLayerProfilePresentFlag(i) ); #endif } if (maxNumSubLayersMinus1 > 0) { for (Int i = maxNumSubLayersMinus1; i < 8; i++) { READ_CODE(2, uiCode, "reserved_zero_2bits"); assert(uiCode == 0); } } for(Int i = 0; i < maxNumSubLayersMinus1; i++) { if( rpcPTL->getSubLayerProfilePresentFlag(i) ) { parseProfileTier(rpcPTL->getSubLayerPTL(i), true); } if(rpcPTL->getSubLayerLevelPresentFlag(i)) { READ_CODE( 8, uiCode, "sub_layer_level_idc[i]" ); rpcPTL->getSubLayerPTL(i)->setLevelIdc(Level::Name(uiCode)); } } } #if ENC_DEC_TRACE || RExt__DECODER_DEBUG_BIT_STATISTICS Void TDecCavlc::parseProfileTier(ProfileTierLevel *ptl, const Bool bIsSubLayer) #define PTL_TRACE_TEXT(txt) bIsSubLayer?("sub_layer_" txt) : ("general_" txt) #else Void TDecCavlc::parseProfileTier(ProfileTierLevel *ptl, const Bool /*bIsSubLayer*/) #define PTL_TRACE_TEXT(txt) txt #endif { UInt uiCode; READ_CODE(2 , uiCode, PTL_TRACE_TEXT("profile_space" )); ptl->setProfileSpace(uiCode); READ_FLAG( uiCode, PTL_TRACE_TEXT("tier_flag" )); ptl->setTierFlag (uiCode ? Level::HIGH : Level::MAIN); READ_CODE(5 , uiCode, PTL_TRACE_TEXT("profile_idc" )); ptl->setProfileIdc (Profile::Name(uiCode)); for(Int j = 0; j < 32; j++) { READ_FLAG( uiCode, PTL_TRACE_TEXT("profile_compatibility_flag[][j]" )); ptl->setProfileCompatibilityFlag(j, uiCode ? 1 : 0); } READ_FLAG(uiCode, PTL_TRACE_TEXT("progressive_source_flag" )); ptl->setProgressiveSourceFlag(uiCode ? true : false); READ_FLAG(uiCode, PTL_TRACE_TEXT("interlaced_source_flag" )); ptl->setInterlacedSourceFlag(uiCode ? true : false); READ_FLAG(uiCode, PTL_TRACE_TEXT("non_packed_constraint_flag" )); ptl->setNonPackedConstraintFlag(uiCode ? true : false); READ_FLAG(uiCode, PTL_TRACE_TEXT("frame_only_constraint_flag" )); ptl->setFrameOnlyConstraintFlag(uiCode ? true : false); #if NH_MV if( ptl->getV2ConstraintsPresentFlag() ) { READ_FLAG( uiCode, "max_12bit_constraint_flag" ); ptl->setMax12bitConstraintFlag ( uiCode == 1 ); READ_FLAG( uiCode, "max_10bit_constraint_flag" ); ptl->setMax10bitConstraintFlag ( uiCode == 1 ); READ_FLAG( uiCode, "max_8bit_constraint_flag" ); ptl->setMax8bitConstraintFlag ( uiCode == 1 ); READ_FLAG( uiCode, "max_422chroma_constraint_flag" ); ptl->setMax422chromaConstraintFlag ( uiCode == 1 ); READ_FLAG( uiCode, "max_420chroma_constraint_flag" ); ptl->setMax420chromaConstraintFlag ( uiCode == 1 ); READ_FLAG( uiCode, "max_monochrome_constraint_flag" ); ptl->setMaxMonochromeConstraintFlag ( uiCode == 1 ); READ_FLAG( uiCode, "intra_constraint_flag" ); ptl->setIntraConstraintFlag ( uiCode == 1 ); READ_FLAG( uiCode, "one_picture_only_constraint_flag" ); ptl->setOnePictureOnlyConstraintFlag( uiCode == 1 ); READ_FLAG( uiCode, "lower_bit_rate_constraint_flag" ); ptl->setLowerBitRateConstraintFlag ( uiCode == 1 ); READ_CODE(16, uiCode, "XXX_reserved_zero_34bits[0..15]"); READ_CODE(16, uiCode, "XXX_reserved_zero_34bits[16..31]"); READ_CODE(2 , uiCode, "XXX_reserved_zero_34bits[32..33]"); } else { READ_CODE(16, uiCode, "XXX_reserved_zero_43bits[0..15]"); READ_CODE(16, uiCode, "XXX_reserved_zero_43bits[16..31]"); READ_CODE(11, uiCode, "XXX_reserved_zero_43bits[32..42]"); } if( ptl->getInbldPresentFlag() ) { READ_FLAG( uiCode, "inbld_flag" ); ptl->setInbldFlag( uiCode == 1 ); } else { READ_FLAG(uiCode, "reserved_zero_bit"); } #else if (ptl->getProfileIdc() == Profile::MAINREXT || ptl->getProfileCompatibilityFlag(Profile::MAINREXT) || ptl->getProfileIdc() == Profile::HIGHTHROUGHPUTREXT || ptl->getProfileCompatibilityFlag(Profile::HIGHTHROUGHPUTREXT)) { UInt maxBitDepth=16; READ_FLAG( uiCode, PTL_TRACE_TEXT("max_12bit_constraint_flag" )); if (uiCode) maxBitDepth=12; READ_FLAG( uiCode, PTL_TRACE_TEXT("max_10bit_constraint_flag" )); if (uiCode) maxBitDepth=10; READ_FLAG( uiCode, PTL_TRACE_TEXT("max_8bit_constraint_flag" )); if (uiCode) maxBitDepth=8; ptl->setBitDepthConstraint(maxBitDepth); ChromaFormat chromaFmtConstraint=CHROMA_444; READ_FLAG( uiCode, PTL_TRACE_TEXT("max_422chroma_constraint_flag" )); if (uiCode) chromaFmtConstraint=CHROMA_422; READ_FLAG( uiCode, PTL_TRACE_TEXT("max_420chroma_constraint_flag" )); if (uiCode) chromaFmtConstraint=CHROMA_420; READ_FLAG( uiCode, PTL_TRACE_TEXT("max_monochrome_constraint_flag" )); if (uiCode) chromaFmtConstraint=CHROMA_400; ptl->setChromaFormatConstraint(chromaFmtConstraint); READ_FLAG( uiCode, PTL_TRACE_TEXT("intra_constraint_flag" )); ptl->setIntraConstraintFlag(uiCode != 0); READ_FLAG( uiCode, PTL_TRACE_TEXT("one_picture_only_constraint_flag")); ptl->setOnePictureOnlyConstraintFlag(uiCode != 0); READ_FLAG( uiCode, PTL_TRACE_TEXT("lower_bit_rate_constraint_flag" )); ptl->setLowerBitRateConstraintFlag(uiCode != 0); READ_CODE(16, uiCode, PTL_TRACE_TEXT("reserved_zero_34bits[0..15]" )); READ_CODE(16, uiCode, PTL_TRACE_TEXT("reserved_zero_34bits[16..31]" )); READ_CODE(2, uiCode, PTL_TRACE_TEXT("reserved_zero_34bits[32..33]" )); } else { ptl->setBitDepthConstraint((ptl->getProfileIdc() == Profile::MAIN10)?10:8); ptl->setChromaFormatConstraint(CHROMA_420); ptl->setIntraConstraintFlag(false); ptl->setLowerBitRateConstraintFlag(true); READ_CODE(16, uiCode, PTL_TRACE_TEXT("reserved_zero_43bits[0..15]" )); READ_CODE(16, uiCode, PTL_TRACE_TEXT("reserved_zero_43bits[16..31]" )); READ_CODE(11, uiCode, PTL_TRACE_TEXT("reserved_zero_43bits[32..42]" )); } if ((ptl->getProfileIdc() >= Profile::MAIN && ptl->getProfileIdc() <= Profile::HIGHTHROUGHPUTREXT) || ptl->getProfileCompatibilityFlag(Profile::MAIN) || ptl->getProfileCompatibilityFlag(Profile::MAIN10) || ptl->getProfileCompatibilityFlag(Profile::MAINSTILLPICTURE) || ptl->getProfileCompatibilityFlag(Profile::MAINREXT) || ptl->getProfileCompatibilityFlag(Profile::HIGHTHROUGHPUTREXT) ) { READ_FLAG( uiCode, PTL_TRACE_TEXT("inbld_flag" )); assert(uiCode == 0); } else { READ_FLAG( uiCode, PTL_TRACE_TEXT("reserved_zero_bit" )); } #undef PTL_TRACE_TEXT #endif } Void TDecCavlc::parseTerminatingBit( UInt& ruiBit ) { ruiBit = false; Int iBitsLeft = m_pcBitstream->getNumBitsLeft(); if(iBitsLeft <= 8) { UInt uiPeekValue = m_pcBitstream->peekBits(iBitsLeft); if (uiPeekValue == (1<<(iBitsLeft-1))) { ruiBit = true; } } } Void TDecCavlc::parseRemainingBytes( Bool noTrailingBytesExpected ) { if (noTrailingBytesExpected) { const UInt numberOfRemainingSubstreamBytes=m_pcBitstream->getNumBitsLeft(); assert (numberOfRemainingSubstreamBytes == 0); } else { while (m_pcBitstream->getNumBitsLeft()) { UInt trailingNullByte=m_pcBitstream->readByte(); if (trailingNullByte!=0) { printf("Trailing byte should be 0, but has value %02x\n", trailingNullByte); assert(trailingNullByte==0); } } } } #if H_3D Void TDecCavlc::parseDIS( TComDataCU* /*pcCU*/, UInt /*uiAbsPartIdx*/, UInt /*uiDepth*/ ) { assert(0); } #endif Void TDecCavlc::parseSkipFlag( TComDataCU* /*pcCU*/, UInt /*uiAbsPartIdx*/, UInt /*uiDepth*/ ) { assert(0); } Void TDecCavlc::parseCUTransquantBypassFlag( TComDataCU* /*pcCU*/, UInt /*uiAbsPartIdx*/, UInt /*uiDepth*/ ) { assert(0); } Void TDecCavlc::parseMVPIdx( Int& /*riMVPIdx*/ ) { assert(0); } Void TDecCavlc::parseSplitFlag ( TComDataCU* /*pcCU*/, UInt /*uiAbsPartIdx*/, UInt /*uiDepth*/ ) { assert(0); } Void TDecCavlc::parsePartSize( TComDataCU* /*pcCU*/, UInt /*uiAbsPartIdx*/, UInt /*uiDepth*/ ) { assert(0); } Void TDecCavlc::parsePredMode( TComDataCU* /*pcCU*/, UInt /*uiAbsPartIdx*/, UInt /*uiDepth*/ ) { assert(0); } /** Parse I_PCM information. * \param pcCU pointer to CU * \param uiAbsPartIdx CU index * \param uiDepth CU depth * \returns Void * * If I_PCM flag indicates that the CU is I_PCM, parse its PCM alignment bits and codes. */ Void TDecCavlc::parseIPCMInfo( TComDataCU* /*pcCU*/, UInt /*uiAbsPartIdx*/, UInt /*uiDepth*/ ) { assert(0); } Void TDecCavlc::parseIntraDirLumaAng ( TComDataCU* /*pcCU*/, UInt /*uiAbsPartIdx*/, UInt /*uiDepth*/ ) { assert(0); } Void TDecCavlc::parseIntraDirChroma( TComDataCU* /*pcCU*/, UInt /*uiAbsPartIdx*/, UInt /*uiDepth*/ ) { assert(0); } Void TDecCavlc::parseInterDir( TComDataCU* /*pcCU*/, UInt& /*ruiInterDir*/, UInt /*uiAbsPartIdx*/ ) { assert(0); } Void TDecCavlc::parseRefFrmIdx( TComDataCU* /*pcCU*/, Int& /*riRefFrmIdx*/, RefPicList /*eRefList*/ ) { assert(0); } Void TDecCavlc::parseMvd( TComDataCU* /*pcCU*/, UInt /*uiAbsPartIdx*/, UInt /*uiPartIdx*/, UInt /*uiDepth*/, RefPicList /*eRefList*/ ) { assert(0); } Void TDecCavlc::parseCrossComponentPrediction( class TComTU& /*rTu*/, ComponentID /*compID*/ ) { assert(0); } Void TDecCavlc::parseDeltaQP( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) { Int iDQp; #if RExt__DECODER_DEBUG_BIT_STATISTICS READ_SVLC(iDQp, "delta_qp"); #else xReadSvlc( iDQp ); #endif Int qpBdOffsetY = pcCU->getSlice()->getSPS()->getQpBDOffset(CHANNEL_TYPE_LUMA); const Int qp = (((Int) pcCU->getRefQP( uiAbsPartIdx ) + iDQp + 52 + 2*qpBdOffsetY )%(52+ qpBdOffsetY)) - qpBdOffsetY; const UInt maxCUDepth = pcCU->getSlice()->getSPS()->getMaxTotalCUDepth(); const UInt maxCuDQPDepth = pcCU->getSlice()->getPPS()->getMaxCuDQPDepth(); const UInt doubleDepthDifference = ((maxCUDepth - maxCuDQPDepth)<<1); const UInt uiAbsQpCUPartIdx = (uiAbsPartIdx>>doubleDepthDifference)<getSlice()->getPPS()->getMaxCuDQPDepth()) ; pcCU->setQPSubParts( qp, uiAbsQpCUPartIdx, uiQpCUDepth ); } Void TDecCavlc::parseChromaQpAdjustment( TComDataCU* /*pcCU*/, UInt /*uiAbsPartIdx*/, UInt /*uiDepth*/ ) { assert(0); } Void TDecCavlc::parseCoeffNxN( TComTU &/*rTu*/, ComponentID /*compID*/ ) { assert(0); } Void TDecCavlc::parseTransformSubdivFlag( UInt& /*ruiSubdivFlag*/, UInt /*uiLog2TransformBlockSize*/ ) { assert(0); } Void TDecCavlc::parseQtCbf( TComTU &/*rTu*/, const ComponentID /*compID*/, const Bool /*lowestLevel*/ ) { assert(0); } Void TDecCavlc::parseQtRootCbf( UInt /*uiAbsPartIdx*/, UInt& /*uiQtRootCbf*/ ) { assert(0); } Void TDecCavlc::parseTransformSkipFlags (TComTU &/*rTu*/, ComponentID /*component*/) { assert(0); } Void TDecCavlc::parseMergeFlag ( TComDataCU* /*pcCU*/, UInt /*uiAbsPartIdx*/, UInt /*uiDepth*/, UInt /*uiPUIdx*/ ) { assert(0); } Void TDecCavlc::parseMergeIndex ( TComDataCU* /*pcCU*/, UInt& /*ruiMergeIndex*/ ) { assert(0); } #if H_3D_ARP Void TDecCavlc::parseARPW( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) { assert(0); } #endif #if H_3D_IC Void TDecCavlc::parseICFlag( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) { assert(0); } #endif #if H_3D_INTER_SDC Void TDecCavlc::parseDeltaDC( TComDataCU* /*pcCU*/, UInt /*uiAbsPartIdx*/, UInt /*uiDepth*/ ) { assert(0); } Void TDecCavlc::parseSDCFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) { assert(0); } #endif #if NH_3D_DBBP Void TDecCavlc::parseDBBPFlag( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) { assert(0); } #endif // ==================================================================================================================== // Protected member functions // ==================================================================================================================== //! parse explicit wp tables Void TDecCavlc::xParsePredWeightTable( TComSlice* pcSlice, const TComSPS *sps ) { WPScalingParam *wp; const ChromaFormat chFmt = sps->getChromaFormatIdc(); const Int numValidComp = Int(getNumberValidComponents(chFmt)); const Bool bChroma = (chFmt!=CHROMA_400); const SliceType eSliceType = pcSlice->getSliceType(); const Int iNbRef = (eSliceType == B_SLICE ) ? (2) : (1); UInt uiLog2WeightDenomLuma=0, uiLog2WeightDenomChroma=0; UInt uiTotalSignalledWeightFlags = 0; Int iDeltaDenom; // decode delta_luma_log2_weight_denom : READ_UVLC( uiLog2WeightDenomLuma, "luma_log2_weight_denom" ); assert( uiLog2WeightDenomLuma <= 7 ); if( bChroma ) { READ_SVLC( iDeltaDenom, "delta_chroma_log2_weight_denom" ); assert((iDeltaDenom + (Int)uiLog2WeightDenomLuma)>=0); assert((iDeltaDenom + (Int)uiLog2WeightDenomLuma)<=7); uiLog2WeightDenomChroma = (UInt)(iDeltaDenom + uiLog2WeightDenomLuma); } for ( Int iNumRef=0 ; iNumRefgetNumRefIdx(eRefPicList) ; iRefIdx++ ) { pcSlice->getWpScaling(eRefPicList, iRefIdx, wp); wp[COMPONENT_Y].uiLog2WeightDenom = uiLog2WeightDenomLuma; for(Int j=1; jgetNumRefIdx(eRefPicList) ; iRefIdx++ ) { pcSlice->getWpScaling(eRefPicList, iRefIdx, wp); READ_FLAG( uiCode, iNumRef==0?"chroma_weight_l0_flag[i]":"chroma_weight_l1_flag[i]" ); for(Int j=1; jgetNumRefIdx(eRefPicList) ; iRefIdx++ ) { pcSlice->getWpScaling(eRefPicList, iRefIdx, wp); if ( wp[COMPONENT_Y].bPresentFlag ) { Int iDeltaWeight; READ_SVLC( iDeltaWeight, iNumRef==0?"delta_luma_weight_l0[i]":"delta_luma_weight_l1[i]" ); assert( iDeltaWeight >= -128 ); assert( iDeltaWeight <= 127 ); wp[COMPONENT_Y].iWeight = (iDeltaWeight + (1<getSpsRangeExtension().getHighPrecisionOffsetsEnabledFlag() ? (1<getBitDepth(CHANNEL_TYPE_LUMA))/2 : 128; assert( wp[0].iOffset >= -range ); assert( wp[0].iOffset < range ); } else { wp[COMPONENT_Y].iWeight = (1 << wp[COMPONENT_Y].uiLog2WeightDenom); wp[COMPONENT_Y].iOffset = 0; } if ( bChroma ) { if ( wp[COMPONENT_Cb].bPresentFlag ) { Int range=sps->getSpsRangeExtension().getHighPrecisionOffsetsEnabledFlag() ? (1<getBitDepth(CHANNEL_TYPE_CHROMA))/2 : 128; for ( Int j=1 ; j= -128 ); assert( iDeltaWeight <= 127 ); wp[j].iWeight = (iDeltaWeight + (1<= -4*range); assert( iDeltaChroma < 4*range); Int pred = ( range - ( ( range*wp[j].iWeight)>>(wp[j].uiLog2WeightDenom) ) ); wp[j].iOffset = Clip3(-range, range-1, (iDeltaChroma + pred) ); } } else { for ( Int j=1 ; jgetNumRefIdx(eRefPicList) ; iRefIdxgetWpScaling(eRefPicList, iRefIdx, wp); wp[0].bPresentFlag = false; wp[1].bPresentFlag = false; wp[2].bPresentFlag = false; } } assert(uiTotalSignalledWeightFlags<=24); } /** decode quantization matrix * \param scalingList quantization matrix information */ Void TDecCavlc::parseScalingList(TComScalingList* scalingList) { UInt code, sizeId, listId; Bool scalingListPredModeFlag; //for each size for(sizeId = 0; sizeId < SCALING_LIST_SIZE_NUM; sizeId++) { for(listId = 0; listId < SCALING_LIST_NUM; listId++) { if ((sizeId==SCALING_LIST_32x32) && (listId%(SCALING_LIST_NUM/NUMBER_OF_PREDICTION_MODES) != 0)) { Int *src = scalingList->getScalingListAddress(sizeId, listId); const Int size = min(MAX_MATRIX_COEF_NUM,(Int)g_scalingListSize[sizeId]); const Int *srcNextSmallerSize = scalingList->getScalingListAddress(sizeId-1, listId); for(Int i=0; isetScalingListDC(sizeId,listId,(sizeId > SCALING_LIST_8x8) ? scalingList->getScalingListDC(sizeId-1, listId) : src[0]); } else { READ_FLAG( code, "scaling_list_pred_mode_flag"); scalingListPredModeFlag = (code) ? true : false; scalingList->setScalingListPredModeFlag(sizeId, listId, scalingListPredModeFlag); if(!scalingListPredModeFlag) //Copy Mode { READ_UVLC( code, "scaling_list_pred_matrix_id_delta"); if (sizeId==SCALING_LIST_32x32) { code*=(SCALING_LIST_NUM/NUMBER_OF_PREDICTION_MODES); // Adjust the decoded code for this size, to cope with the missing 32x32 chroma entries. } scalingList->setRefMatrixId (sizeId,listId,(UInt)((Int)(listId)-(code))); if( sizeId > SCALING_LIST_8x8 ) { scalingList->setScalingListDC(sizeId,listId,((listId == scalingList->getRefMatrixId (sizeId,listId))? 16 :scalingList->getScalingListDC(sizeId, scalingList->getRefMatrixId (sizeId,listId)))); } scalingList->processRefMatrix( sizeId, listId, scalingList->getRefMatrixId (sizeId,listId)); } else //DPCM Mode { xDecodeScalingList(scalingList, sizeId, listId); } } } } return; } /** decode DPCM * \param scalingList quantization matrix information * \param sizeId size index * \param listId list index */ Void TDecCavlc::xDecodeScalingList(TComScalingList *scalingList, UInt sizeId, UInt listId) { Int i,coefNum = min(MAX_MATRIX_COEF_NUM,(Int)g_scalingListSize[sizeId]); Int data; Int scalingListDcCoefMinus8 = 0; Int nextCoef = SCALING_LIST_START_VALUE; UInt* scan = g_scanOrder[SCAN_UNGROUPED][SCAN_DIAG][sizeId==0 ? 2 : 3][sizeId==0 ? 2 : 3]; Int *dst = scalingList->getScalingListAddress(sizeId, listId); if( sizeId > SCALING_LIST_8x8 ) { READ_SVLC( scalingListDcCoefMinus8, "scaling_list_dc_coef_minus8"); scalingList->setScalingListDC(sizeId,listId,scalingListDcCoefMinus8 + 8); nextCoef = scalingList->getScalingListDC(sizeId,listId); } for(i = 0; i < coefNum; i++) { READ_SVLC( data, "scaling_list_delta_coef"); nextCoef = (nextCoef + data + 256 ) % 256; dst[scan[i]] = nextCoef; } } Bool TDecCavlc::xMoreRbspData() { Int bitsLeft = m_pcBitstream->getNumBitsLeft(); // if there are more than 8 bits, it cannot be rbsp_trailing_bits if (bitsLeft > 8) { return true; } UChar lastByte = m_pcBitstream->peekBits(bitsLeft); Int cnt = bitsLeft; // remove trailing bits equal to zero while ((cnt>0) && ((lastByte & 1) == 0)) { lastByte >>= 1; cnt--; } // remove bit equal to one cnt--; // we should not have a negative number of bits assert (cnt>=0); // we have more data, if cnt is not zero return (cnt>0); } Void TDecCavlc::parseExplicitRdpcmMode( TComTU& /*rTu*/, ComponentID /*compID*/ ) { assert(0); } //! \}