/* 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) 2010-2014, 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" //! \ingroup TLibDecoder //! \{ #if ENC_DEC_TRACE Void xTraceSPSHeader (TComSPS *pSPS) { #if H_MV_ENC_DEC_TRAC if ( g_disableHLSTrace ) { return; } // To avoid mismatches fprintf( g_hTrace, "=========== Sequence Parameter Set ===========\n" ); #else fprintf( g_hTrace, "=========== Sequence Parameter Set ID: %d ===========\n", pSPS->getSPSId() ); #endif } Void xTracePPSHeader (TComPPS *pPPS) { #if H_MV_ENC_DEC_TRAC if ( g_disableHLSTrace ) { return; } fprintf( g_hTrace, "=========== Picture Parameter Set ===========\n" ); #else fprintf( g_hTrace, "=========== Picture Parameter Set ID: %d ===========\n", pPPS->getPPSId() ); #endif } Void xTraceSliceHeader (TComSlice *pSlice) { #if H_MV_ENC_DEC_TRAC if ( g_disableHLSTrace ) { return; } #endif fprintf( g_hTrace, "=========== Slice ===========\n"); } #endif // ==================================================================================================================== // Constructor / destructor / create / destroy // ==================================================================================================================== TDecCavlc::TDecCavlc() { #if H_3D m_aaiTempScale = new Int* [ MAX_NUM_LAYERS ]; m_aaiTempOffset = new Int* [ MAX_NUM_LAYERS ]; for( UInt uiVId = 0; uiVId < MAX_NUM_LAYERS; uiVId++ ) { m_aaiTempScale [ uiVId ] = new Int [ MAX_NUM_LAYERS ]; m_aaiTempOffset [ uiVId ] = new Int [ MAX_NUM_LAYERS ]; } #endif } TDecCavlc::~TDecCavlc() { #if H_3D for( UInt uiVId = 0; uiVId < MAX_NUM_LAYERS; uiVId++ ) { delete [] m_aaiTempScale [ uiVId ]; delete [] m_aaiTempOffset [ uiVId ]; } delete [] m_aaiTempScale; delete [] m_aaiTempOffset; #endif } // ==================================================================================================================== // 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 } #if H_3D Void TDecCavlc::parsePPS(TComPPS* pcPPS, TComVPS* pcVPS ) #else Void TDecCavlc::parsePPS(TComPPS* pcPPS) #endif { #if ENC_DEC_TRACE xTracePPSHeader (pcPPS); #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->setChromaCbQpOffset(iCode); assert( pcPPS->getChromaCbQpOffset() >= -12 ); assert( pcPPS->getChromaCbQpOffset() <= 12 ); READ_SVLC( iCode, "pps_cr_qp_offset"); pcPPS->setChromaCrQpOffset(iCode); assert( pcPPS->getChromaCrQpOffset() >= -12 ); assert( pcPPS->getChromaCrQpOffset() <= 12 ); 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->setNumColumnsMinus1( uiCode ); READ_UVLC ( uiCode, "num_tile_rows_minus1" ); pcPPS->setNumRowsMinus1( uiCode ); READ_FLAG ( uiCode, "uniform_spacing_flag" ); pcPPS->setUniformSpacingFlag( uiCode ); if( !pcPPS->getUniformSpacingFlag()) { UInt* columnWidth = (UInt*)malloc(pcPPS->getNumColumnsMinus1()*sizeof(UInt)); for(UInt i=0; igetNumColumnsMinus1(); i++) { READ_UVLC( uiCode, "column_width_minus1" ); columnWidth[i] = uiCode+1; } pcPPS->setColumnWidth(columnWidth); free(columnWidth); UInt* rowHeight = (UInt*)malloc(pcPPS->getNumRowsMinus1()*sizeof(UInt)); for(UInt i=0; igetNumRowsMinus1(); i++) { READ_UVLC( uiCode, "row_height_minus1" ); rowHeight[i] = uiCode + 1; } pcPPS->setRowHeight(rowHeight); free(rowHeight); } if(pcPPS->getNumColumnsMinus1() !=0 || pcPPS->getNumRowsMinus1() !=0) { READ_FLAG ( uiCode, "loop_filter_across_tiles_enabled_flag" ); pcPPS->setLoopFilterAcrossTilesEnabledFlag( uiCode ? true : false ); } } READ_FLAG( uiCode, "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 ); } } #if H_MV if ( pcPPS->getLayerId() > 0 ) { 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 ); } else { #endif READ_FLAG( uiCode, "pps_scaling_list_data_present_flag" ); pcPPS->setScalingListPresentFlag( uiCode ? true : false ); if(pcPPS->getScalingListPresentFlag ()) { parseScalingList( pcPPS->getScalingList() ); } #if H_MV } #endif 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_flag"); if (uiCode) { #if H_MV for ( Int i = 0; i < PPS_EX_T_MAX_NUM; i++ ) { READ_FLAG( uiCode, "pps_extension_type_flag" ); pcPPS->setPpsExtensionTypeFlag( i, uiCode == 1 ); #if H_3D assert( !pcPPS->getPpsExtensionTypeFlag( i ) || i == PPS_EX_T_MV || i == PPS_EX_T_3D || i == PPS_EX_T_ESC ); #else assert( !pcPPS->getPpsExtensionTypeFlag( i ) || i == PPS_EX_T_MV || i == PPS_EX_T_ESC ); #endif } if( pcPPS->getPpsExtensionTypeFlag( PPS_EX_T_MV ) ) { READ_FLAG( uiCode, "poc_reset_info_present_flag" ); pcPPS->setPocResetInfoPresentFlag( uiCode == 1 ); } #if H_3D if( pcPPS->getPpsExtensionTypeFlag( PPS_EX_T_3D ) ) // This probably needs to be aligned with Rext and SHVC { parsePPSExtension( pcPPS, pcVPS ); } #endif if( pcPPS->getPpsExtensionTypeFlag( PPS_EX_T_ESC ) ) { #endif while ( xMoreRbspData() ) { READ_FLAG( uiCode, "pps_extension_data_flag"); } #if H_MV } #endif } } #if H_3D Void TDecCavlc::parsePPSExtension( TComPPS* pcPPS, TComVPS* pcVPS ) { //Ed.(GT): pcVPS should not be used here. Needs to be fixed. UInt uiCode = 0; TComDLT* pcDLT = new 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) ); 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 ]"); 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 #if !H_3D_DELTA_DLT if ( pcDLT->getInterViewDltPredEnableFlag( i ) == false ) // Single-view DLT Diff Coding #endif { // 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); } #else // store final DLT pcDLT->setDepthLUTs(i, aiIdx2DepthValue, uiNumDepthValues); #endif } } } } } pcPPS->setDLT( pcDLT ); } #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 H_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_coefficients"); 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 H_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, "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_mincu_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_cpb_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_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 ); } } } } } #if H_3D Void TDecCavlc::parseSPS(TComSPS* pcSPS, Int viewIndex, Bool depthFlag ) #else Void TDecCavlc::parseSPS(TComSPS* pcSPS) #endif { #if ENC_DEC_TRACE xTraceSPSHeader (pcSPS); #endif UInt uiCode; READ_CODE( 4, uiCode, "sps_video_parameter_set_id"); pcSPS->setVPSId ( uiCode ); #if H_MV if ( pcSPS->getLayerId() == 0 ) { #endif READ_CODE( 3, uiCode, "sps_max_sub_layers_minus1" ); pcSPS->setMaxTLayers ( uiCode+1 ); assert(uiCode <= 6); 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 H_MV } #endif READ_UVLC( uiCode, "sps_seq_parameter_set_id" ); pcSPS->setSPSId( uiCode ); assert(uiCode <= 15); #if H_MV if ( pcSPS->getLayerId() > 0 ) { 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( uiCode ); assert(uiCode <= 3); // in the first version we only support chroma_format_idc equal to 1 (4:2:0), so separate_colour_plane_flag cannot appear in the bitstream assert (uiCode == 1); if( uiCode == 3 ) { 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 ); #if H_MV } #endif READ_FLAG( uiCode, "conformance_window_flag"); if (uiCode != 0) { Window &conf = pcSPS->getConformanceWindow(); #if H_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 H_MV if ( pcSPS->getLayerId() == 0 ) { #endif READ_UVLC( uiCode, "bit_depth_luma_minus8" ); assert(uiCode <= 6); pcSPS->setBitDepthY( uiCode + 8 ); pcSPS->setQpBDOffsetY( (Int) (6*uiCode) ); READ_UVLC( uiCode, "bit_depth_chroma_minus8" ); assert(uiCode <= 6); pcSPS->setBitDepthC( uiCode + 8 ); pcSPS->setQpBDOffsetC( (Int) (6*uiCode) ); #if H_MV } #endif READ_UVLC( uiCode, "log2_max_pic_order_cnt_lsb_minus4" ); pcSPS->setBitsForPOC( 4 + uiCode ); assert(uiCode <= 12); #if H_MV if ( pcSPS->getLayerId() == 0 ) { #endif UInt subLayerOrderingInfoPresentFlag; READ_FLAG(subLayerOrderingInfoPresentFlag, "sps_sub_layer_ordering_info_present_flag"); for(UInt i=0; i <= pcSPS->getMaxTLayers()-1; i++) { #if H_MV READ_UVLC ( uiCode, "sps_max_dec_pic_buffering_minus1[i]"); #else READ_UVLC ( uiCode, "sps_max_dec_pic_buffering_minus1"); #endif pcSPS->setMaxDecPicBuffering( uiCode + 1, i); #if H_MV READ_UVLC ( uiCode, "sps_num_reorder_pics[i]" ); #else READ_UVLC ( uiCode, "sps_num_reorder_pics" ); #endif pcSPS->setNumReorderPics(uiCode, i); #if H_MV READ_UVLC ( uiCode, "sps_max_latency_increase_plus1[i]"); #else READ_UVLC ( uiCode, "sps_max_latency_increase_plus1"); #endif 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 H_MV } #endif READ_UVLC( uiCode, "log2_min_coding_block_size_minus3" ); Int log2MinCUSize = uiCode + 3; pcSPS->setLog2MinCodingBlockSize(log2MinCUSize); READ_UVLC( uiCode, "log2_diff_max_min_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_transform_block_size_minus2" ); pcSPS->setQuadtreeTULog2MinSize( uiCode + 2 ); READ_UVLC( uiCode, "log2_diff_max_min_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->setMaxCUDepth( maxCUDepthDelta + addCuDepth ); READ_FLAG( uiCode, "scaling_list_enabled_flag" ); pcSPS->setScalingListFlag ( uiCode ); if(pcSPS->getScalingListFlag()) { #if H_MV if ( pcSPS->getLayerId() > 0 ) { 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 H_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->setPCMBitDepthLuma ( 1 + uiCode ); READ_CODE( 4, uiCode, "pcm_sample_bit_depth_chroma_minus1" ); pcSPS->setPCMBitDepthChroma ( 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_pic_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_flag"); #if H_MV pcSPS->setSpsExtensionFlag( uiCode ); if (pcSPS->getSpsExtensionFlag( ) ) #else if (uiCode) #endif { #if H_MV for (Int i = 0; i < PS_EX_T_MAX_NUM; i++) { READ_FLAG( uiCode, "sps_extension_type_flag" ); pcSPS->setSpsExtensionTypeFlag( i, uiCode ); #if H_3D assert( !pcSPS->getSpsExtensionTypeFlag( i ) || i == PS_EX_T_MV || i == PS_EX_T_3D || i == PS_EX_T_ESC ); #else assert( !pcSPS->getSpsExtensionTypeFlag( i ) || i == PS_EX_T_MV || i == PS_EX_T_ESC ); #endif } if( pcSPS->getSpsExtensionTypeFlag( PS_EX_T_MV )) { parseSPSExtension( pcSPS ); } #if H_3D if( pcSPS->getSpsExtensionTypeFlag( PS_EX_T_3D )) { parseSPSExtension2( pcSPS, viewIndex, depthFlag ); } #endif if ( pcSPS->getSpsExtensionTypeFlag( PS_EX_T_ESC )) { #endif while ( xMoreRbspData() ) { READ_FLAG( uiCode, "sps_extension_data_flag"); } #if H_MV } #endif } } #if H_MV Void TDecCavlc::parseSPSExtension( TComSPS* pcSPS ) { UInt uiCode; READ_FLAG( uiCode, "inter_view_mv_vert_constraint_flag" ); pcSPS->setInterViewMvVertConstraintFlag(uiCode == 1 ? true : false); READ_UVLC( uiCode, "num_scaled_ref_layer_offsets" ); pcSPS->setNumScaledRefLayerOffsets( uiCode ); for( Int i = 0; i < pcSPS->getNumScaledRefLayerOffsets( ); i++) { READ_CODE( 6, uiCode, "scaled_ref_layer_id" ); pcSPS->setScaledRefLayerId( i, uiCode ); Int j = pcSPS->getScaledRefLayerId( i ); Int iCode; READ_SVLC( iCode, "scaled_ref_layer_left_offset" ); pcSPS->setScaledRefLayerLeftOffset( j, iCode ); READ_SVLC( iCode, "scaled_ref_layer_top_offset" ); pcSPS->setScaledRefLayerTopOffset( j, iCode ); READ_SVLC( iCode, "scaled_ref_layer_right_offset" ); pcSPS->setScaledRefLayerRightOffset( j, iCode ); READ_SVLC( iCode, "scaled_ref_layer_bottom_offset" ); pcSPS->setScaledRefLayerBottomOffset( j, iCode ); READ_FLAG( uiCode, "sps_multilayer_ext_reserved_zero_flag[ i ]" ); } } #if H_3D Void TDecCavlc::parseSPSExtension2( TComSPS* pcSPS, Int viewIndex, Bool depthFlag ) { UInt uiCode; #if H_3D_QTLPC //GT: This has to go to VPS if( depthFlag ) { READ_FLAG( uiCode, "use_qtl_flag" ); pcSPS->setUseQTL( uiCode ); READ_FLAG( uiCode, "use_pc_flag" ); pcSPS->setUsePC( uiCode ); } #endif } #endif #endif Void TDecCavlc::parseVPS(TComVPS* pcVPS) { UInt uiCode; READ_CODE( 4, uiCode, "vps_video_parameter_set_id" ); pcVPS->setVPSId( uiCode ); READ_CODE( 2, uiCode, "vps_reserved_three_2bits" ); assert(uiCode == 3); #if H_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_reserved_zero_6bits" ); assert(uiCode == 0); #endif READ_CODE( 3, uiCode, "vps_max_sub_layers_minus1" ); pcVPS->setMaxTLayers( uiCode + 1 ); 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_ffff_16bits" ); assert(uiCode == 0xffff); parsePTL ( pcVPS->getPTL(), true, pcVPS->getMaxTLayers()-1); 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_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 H_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_max_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_nuh_reserved_zero_layer_id" ); pcVPS->setMaxNuhReservedZeroLayerId( uiCode ); READ_UVLC( uiCode, "vps_max_op_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 H_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_op_set_idx" ); pcVPS->setHrdOpSetIdx( uiCode, i ); if( i > 0 ) { READ_FLAG( uiCode, "cprms_present_flag[i]" ); pcVPS->setCprmsPresentFlag( uiCode == 1 ? true : false, i ); } parseHrdParameters(pcVPS->getHrdParameters(i), pcVPS->getCprmsPresentFlag( i ), pcVPS->getMaxTLayers() - 1); } } READ_FLAG( uiCode, "vps_extension_flag" ); if (uiCode) { #if H_MV m_pcBitstream->readOutTrailingBits(); parseVPSExtension( pcVPS ); READ_FLAG( uiCode, "vps_extension2_flag" ); if (uiCode) { #if H_3D m_pcBitstream->readOutTrailingBits(); pcVPS->createCamPars(pcVPS->getNumViews()); parseVPSExtension2( pcVPS ); READ_FLAG( uiCode, "vps_extension3_flag" ); if (uiCode) { #endif #endif while ( xMoreRbspData() ) { READ_FLAG( uiCode, "vps_extension_data_flag"); } #if H_MV #if H_3D } #endif } #endif } return; } #if H_MV Void TDecCavlc::parseVPSExtension( TComVPS* pcVPS ) { UInt uiCode; READ_FLAG( uiCode, "avc_base_layer_flag" ); pcVPS->setAvcBaseLayerFlag( uiCode == 1 ? true : false ); 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) ); } } } 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 ); } } 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(); 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 ); for( Int i = 1; i <= pcVPS->getVpsNumProfileTierLevelMinus1(); i++ ) { READ_FLAG( uiCode, "vps_profile_present_flag[i]" ); pcVPS->setVpsProfilePresentFlag( i, uiCode == 1 ); parsePTL ( pcVPS->getPTL( i ), pcVPS->getVpsProfilePresentFlag( i ), pcVPS->getMaxTLayers()-1); if( !pcVPS->getVpsProfilePresentFlag( i ) ) { TComPTL temp = *pcVPS->getPTL( i ); *pcVPS->getPTL( i ) = *pcVPS->getPTL( i - 1 ); pcVPS->getPTL( i )->copyLevelFrom( &temp ); } } READ_UVLC( uiCode, "num_add_output_layer_sets" ); pcVPS->setNumAddOutputLayerSets( uiCode ); pcVPS->initTargetLayerIdLists( ); if( pcVPS->getNumOutputLayerSets() > 1) { READ_CODE( 2, uiCode, "default_target_output_layer_idc" ); pcVPS->setDefaultTargetOutputLayerIdc( std::min( uiCode, (UInt) 2 ) ); } pcVPS->setOutputLayerFlag(0, 0, pcVPS->inferOutputLayerFlag( 0, 0 )); pcVPS->setOutputLayerSetIdxMinus1(0, -1); pcVPS->deriveTargetLayerIdList( 0 ); for( Int i = 1; i < pcVPS->getNumOutputLayerSets( ); i++ ) { if( i > pcVPS->getVpsNumLayerSetsMinus1( ) ) { READ_UVLC( uiCode, "output_layer_set_idx_minus1[i]" ); pcVPS->setOutputLayerSetIdxMinus1( i, uiCode ); } if ( i > pcVPS->getVpsNumLayerSetsMinus1() || pcVPS->getDefaultTargetOutputLayerIdc() == 2 ) { for( Int j = 0; j < pcVPS->getNumLayersInIdList( pcVPS->getLayerSetIdxForOutputLayerSet( i ) ); j++ ) { READ_FLAG( uiCode, "output_layer_flag" ); pcVPS->setOutputLayerFlag( i, j, uiCode == 1 ); } } else { for( Int j = 0; j < pcVPS->getNumLayersInIdList( pcVPS->getLayerSetIdxForOutputLayerSet( i ) ); j++ ) { pcVPS->setOutputLayerFlag(i,j, pcVPS->inferOutputLayerFlag( i, j )); } } pcVPS->deriveTargetLayerIdList( i ); if ( pcVPS->getProfileLevelTierIdxLen() > 0 ) { READ_CODE( pcVPS->getProfileLevelTierIdxLen(), uiCode,"profile_level_tier_idx[ i ]" ); pcVPS->setProfileLevelTierIdx( i , uiCode ); } 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_FLAG( uiCode, "rep_format_idx_present_flag" ); pcVPS->setRepFormatIdxPresentFlag( uiCode == 1 ); if ( pcVPS->getRepFormatIdxPresentFlag() ) { READ_UVLC( uiCode, "vps_num_rep_formats_minus1" ); pcVPS->setVpsNumRepFormatsMinus1( uiCode ); } for (Int i = 0; i <= pcVPS->getVpsNumRepFormatsMinus1(); i++ ) { assert( pcVPS->getRepFormat(i) == NULL ); TComRepFormat* curRepFormat = new TComRepFormat(); TComRepFormat* prevRepFormat = i > 0 ? pcVPS->getRepFormat( i - 1) : NULL; parseRepFormat( i, curRepFormat , prevRepFormat); pcVPS->setRepFormat(i, curRepFormat ); } if( pcVPS->getRepFormatIdxPresentFlag() ) { for( Int i = 1; i <= pcVPS->getMaxLayersMinus1(); i++ ) { if( pcVPS->getVpsNumRepFormatsMinus1() > 0 ) { READ_CODE( pcVPS->getVpsRepFormatIdxLen(), uiCode, "vps_rep_format_idx[i]" ); pcVPS->setVpsRepFormatIdx( i, uiCode ); } } } READ_FLAG( uiCode, "max_one_active_ref_layer_flag" ); pcVPS->setMaxOneActiveRefLayerFlag ( uiCode == 1 ); #if H_MV_HLS7_GEN READ_FLAG( uiCode, "vps_poc_lsb_aligned_flag" ); pcVPS->setVpsPocLsbAlignedFlag( uiCode == 1 ); #endif 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 ); } } READ_FLAG( uiCode, "vps_reserved_zero_flag" ); 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 = 1; i <= pcVPS->getMaxLayersMinus1(); i++ ) { for( Int j = 0; 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 ); if( pcVPS->getVpsVuiPresentFlag() ) { m_pcBitstream->readOutTrailingBits(); // vps_vui_alignment_bit_equal_to_one parseVPSVUI( pcVPS ); } { TComVPSVUI* pcVPSVUI = pcVPS->getVPSVUI( ); assert( pcVPSVUI ); pcVPSVUI->inferVpsVui( false ); } pcVPS->checkVPSExtensionSyntax(); } Void TDecCavlc::parseRepFormat( Int i, TComRepFormat* pcRepFormat, 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, false ); } } Void TDecCavlc::parseVPSVUI( TComVPS* pcVPS ) { assert( pcVPS ); TComVPSVUI* pcVPSVUI = pcVPS->getVPSVUI( ); assert( pcVPSVUI ); UInt uiCode; READ_FLAG( uiCode, "cross_layer_pic_type_aligned_flag" ); pcVPSVUI->setCrossLayerPicTypeAlignedFlag( uiCode == 1 ); if ( !pcVPSVUI->getCrossLayerPicTypeAlignedFlag() ) { READ_FLAG( uiCode, "cross_layer_irap_aligned_flag" ); pcVPSVUI->setCrossLayerIrapAlignedFlag( uiCode == 1 ); } if( pcVPSVUI->getCrossLayerIrapAlignedFlag( ) ) { READ_FLAG( uiCode, "all_layers_idr_aligned_flag" ); pcVPSVUI->setAllLayersIdrAlignedFlag( uiCode == 1 ); } READ_FLAG( uiCode, "bit_rate_present_vps_flag" ); pcVPSVUI->setBitRatePresentVpsFlag( uiCode == 1 ); READ_FLAG( uiCode, "pic_rate_present_vps_flag" ); pcVPSVUI->setPicRatePresentVpsFlag( uiCode == 1 ); if( pcVPSVUI->getBitRatePresentVpsFlag( ) || pcVPSVUI->getPicRatePresentVpsFlag( ) ) { for( Int i = 0; i <= pcVPS->getVpsNumLayerSetsMinus1(); i++ ) { for( Int j = 0; j <= pcVPS->getMaxTLayers(); j++ ) { if( pcVPSVUI->getBitRatePresentVpsFlag( ) ) { READ_FLAG( uiCode, "bit_rate_present_flag" ); pcVPSVUI->setBitRatePresentFlag( i, j, uiCode == 1 ); } if( pcVPSVUI->getPicRatePresentVpsFlag( ) ) { READ_FLAG( uiCode, "pic_rate_present_flag" ); pcVPSVUI->setPicRatePresentFlag( i, j, uiCode == 1 ); } if( pcVPSVUI->getBitRatePresentFlag( i, j ) ) { READ_CODE( 16, uiCode, "avg_bit_rate" ); pcVPSVUI->setAvgBitRate( i, j, uiCode ); READ_CODE( 16, uiCode, "max_bit_rate" ); pcVPSVUI->setMaxBitRate( i, j, uiCode ); } if( pcVPSVUI->getPicRatePresentFlag( i, j ) ) { READ_CODE( 2, uiCode, "constant_pic_rate_idc" ); pcVPSVUI->setConstantPicRateIdc( i, j, uiCode ); READ_CODE( 16, uiCode, "avg_pic_rate" ); pcVPSVUI->setAvgPicRate( i, j, uiCode ); } } } } READ_FLAG( uiCode, "video_signal_info_idx_present_flag" ); pcVPSVUI->setVideoSignalInfoIdxPresentFlag( uiCode == 1 ); if( pcVPSVUI->getVideoSignalInfoIdxPresentFlag() ) { READ_CODE( 4, uiCode, "vps_num_video_signal_info_minus1" ); pcVPSVUI->setVpsNumVideoSignalInfoMinus1( uiCode ); } else { pcVPSVUI->setVpsNumVideoSignalInfoMinus1( pcVPS->getMaxLayersMinus1() ); } for( Int i = 0; i <= pcVPSVUI->getVpsNumVideoSignalInfoMinus1(); i++ ) { assert( pcVPSVUI->getVideoSignalInfo( i ) == NULL ); TComVideoSignalInfo* curVideoSignalInfo = new TComVideoSignalInfo(); parseVideoSignalInfo( curVideoSignalInfo ); pcVPSVUI->setVideoSignalInfo(i, curVideoSignalInfo ); } if( pcVPSVUI->getVideoSignalInfoIdxPresentFlag() && pcVPSVUI->getVpsNumVideoSignalInfoMinus1() > 0 ) { for( Int i = 1; i <= pcVPS->getMaxLayersMinus1(); i++ ) { READ_CODE( 4, uiCode, "vps_video_signal_info_idx" ); pcVPSVUI->setVpsVideoSignalInfoIdx( i, uiCode ); assert( pcVPSVUI->getVpsVideoSignalInfoIdx( i ) >= 0 && pcVPSVUI->getVpsVideoSignalInfoIdx( i ) <= pcVPSVUI->getVpsNumVideoSignalInfoMinus1() ); } } else { for( Int i = 1; i <= pcVPS->getMaxLayersMinus1(); i++ ) { pcVPSVUI->setVpsVideoSignalInfoIdx( i, pcVPSVUI->getVideoSignalInfoIdxPresentFlag() ? 0 : i ); } } READ_FLAG( uiCode, "tiles_not_in_use_flag" ); pcVPSVUI->setTilesNotInUseFlag( uiCode == 1 ); if( !pcVPSVUI->getTilesNotInUseFlag() ) { for( Int i = 0; i <= pcVPS->getMaxLayersMinus1(); i++ ) { READ_FLAG( uiCode, "tiles_in_use_flag[i]" ); pcVPSVUI->setTilesInUseFlag( i, uiCode == 1 ); if( pcVPSVUI->getTilesInUseFlag( i ) ) { READ_FLAG( uiCode, "loop_filter_not_across_tiles_flag[i]" ); pcVPSVUI->setLoopFilterNotAcrossTilesFlag( i, uiCode == 1 ); } } for( Int i = 1; i <= pcVPS->getMaxLayersMinus1(); i++ ) { for( Int j = 0; j < pcVPS->getNumDirectRefLayers( pcVPS->getLayerIdInNuh( i ) ) ; j++ ) { Int layerIdx = pcVPS->getLayerIdInVps(pcVPS->getRefLayerId(pcVPS->getLayerIdInNuh( i ) , j )); if( pcVPSVUI->getTilesInUseFlag( i ) && pcVPSVUI->getTilesInUseFlag( layerIdx ) ) { READ_FLAG( uiCode, "tile_boundaries_aligned_flag[i][j]" ); pcVPSVUI->setTileBoundariesAlignedFlag( i, j, uiCode == 1 ); } } } } READ_FLAG( uiCode, "wpp_not_in_use_flag" ); pcVPSVUI->setWppNotInUseFlag( uiCode == 1 ); if( !pcVPSVUI->getWppNotInUseFlag( )) { for( Int i = 0; i <= pcVPS->getMaxLayersMinus1(); i++ ) { READ_FLAG( uiCode, "wpp_in_use_flag[i]" ); pcVPSVUI->setWppInUseFlag( i, uiCode == 1 ); } } READ_CODE( 3, uiCode, "vps_vui_reserved_zero_3bits" ); READ_FLAG( uiCode, "ilp_restricted_ref_layers_flag" ); pcVPSVUI->setIlpRestrictedRefLayersFlag( uiCode == 1 ); if( pcVPSVUI->getIlpRestrictedRefLayersFlag( ) ) { for( Int i = 1; i <= pcVPS->getMaxLayersMinus1(); i++ ) { for( Int j = 0; j < pcVPS->getNumDirectRefLayers( pcVPS->getLayerIdInNuh( i ) ); j++ ) { READ_UVLC( uiCode, "min_spatial_segment_offset_plus1" ); pcVPSVUI->setMinSpatialSegmentOffsetPlus1( i, j, uiCode ); if( pcVPSVUI->getMinSpatialSegmentOffsetPlus1( i, j ) > 0 ) { READ_FLAG( uiCode, "ctu_based_offset_enabled_flag" ); pcVPSVUI->setCtuBasedOffsetEnabledFlag( i, j, uiCode == 1 ); if( pcVPSVUI->getCtuBasedOffsetEnabledFlag( i, j ) ) { READ_UVLC( uiCode, "min_horizontal_ctu_offset_plus1" ); pcVPSVUI->setMinHorizontalCtuOffsetPlus1( i, j, uiCode ); } } } } } READ_FLAG( uiCode, "vps_vui_bsp_hrd_present_flag" ); pcVPSVUI->setVpsVuiBspHrdPresentFlag( uiCode == 1 ); if ( pcVPSVUI->getVpsVuiBspHrdPresentFlag( ) ) { parseVpsVuiBspHrdParameters( pcVPS ); } for( Int i = 1; i <= pcVPS->getMaxLayersMinus1(); i++ ) { if( pcVPS->getNumDirectRefLayers( pcVPS->getLayerIdInNuh( i )) == 0 ) { READ_FLAG( uiCode, "base_layer_parameter_set_compatibility_flag" ); pcVPSVUI->setBaseLayerParameterSetCompatibilityFlag( i, uiCode == 1 ); } } } Void TDecCavlc::parseVpsVuiBspHrdParameters( TComVPS* pcVPS ) { assert( pcVPS ); TComVPSVUI* pcVPSVUI = pcVPS->getVPSVUI( ); assert( pcVPSVUI ); TComVpsVuiBspHrdParameters* vpsVuiBspHrdP = pcVPSVUI->getVpsVuiBspHrdParameters(); assert ( vpsVuiBspHrdP ); UInt uiCode; READ_UVLC( uiCode, "vps_num_bsp_hrd_parameters_minus1" ); vpsVuiBspHrdP->setVpsNumBspHrdParametersMinus1( uiCode ); for( Int i = 0; i <= vpsVuiBspHrdP->getVpsNumBspHrdParametersMinus1( ); i++ ) { if( i > 0 ) { READ_FLAG( uiCode, "bsp_cprms_present_flag" ); vpsVuiBspHrdP->setBspCprmsPresentFlag( i, uiCode == 1 ); } TComHRD* hrdParameters = vpsVuiBspHrdP->getHrdParametermeters( i ); parseHrdParameters( hrdParameters, vpsVuiBspHrdP->getBspCprmsPresentFlag( i ), pcVPS->getMaxSubLayersMinus1() ); } for( Int h = 1; h <= pcVPS->getVpsNumLayerSetsMinus1(); h++ ) { READ_UVLC( uiCode, "num_bitstream_partitions" ); vpsVuiBspHrdP->setNumBitstreamPartitions( h, uiCode ); for( Int i = 0; i < vpsVuiBspHrdP->getNumBitstreamPartitions( h ); i++ ) { for( Int j = 0; j <= pcVPS->getMaxLayersMinus1(); j++ ) { if( pcVPS->getLayerIdIncludedFlag( h ,j ) ) { READ_FLAG( uiCode, "layer_in_bsp_flag" ); vpsVuiBspHrdP->setLayerInBspFlag( h, i, j, uiCode == 1 ); } else { vpsVuiBspHrdP->setLayerInBspFlag( h, i, j, false ); // This inference seems to be missing in spec } } } vpsVuiBspHrdP->checkLayerInBspFlag( pcVPS, h ); if( vpsVuiBspHrdP->getNumBitstreamPartitions( h ) ) { READ_UVLC( uiCode, "num_bsp_sched_combinations" ); vpsVuiBspHrdP->setNumBspSchedCombinations( h, uiCode ); for( Int i = 0; i < vpsVuiBspHrdP->getNumBspSchedCombinations( h ); i++ ) { for( Int j = 0; j < vpsVuiBspHrdP->getNumBitstreamPartitions( h ); j++ ) { READ_UVLC( uiCode, "bsp_comb_hrd_idx" ); vpsVuiBspHrdP->setBspCombHrdIdx( h, i, j, uiCode ); READ_UVLC( uiCode, "bsp_comb_sched_idx" ); vpsVuiBspHrdP->setBspCombSchedIdx( h, i, j, uiCode ); } } } } } 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 = vps->getDpbSize(); assert ( dpbSize != 0 ); for( Int i = 1; i < vps->getNumOutputLayerSets(); i++ ) { READ_FLAG( uiCode, "sub_layer_flag_info_present_flag" ); dpbSize->setSubLayerFlagInfoPresentFlag( i, uiCode == 1 ); for( Int j = 0; j <= vps->getMaxSubLayersInLayerSetMinus1( i ); 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->getNumSubDpbs( vps->getLayerSetIdxForOutputLayerSet( i )); k++ ) { READ_UVLC( uiCode, "max_vps_dec_pic_buffering_minus1" ); dpbSize->setMaxVpsDecPicBufferingMinus1( i, k, j, uiCode ); } READ_UVLC( uiCode, "max_vps_num_reorder_pics" ); dpbSize->setMaxVpsNumReorderPics( i, j, uiCode ); #if H_MV_HLS7_GEN if( vps->getNumSubDpbs( vps->getLayerSetIdxForOutputLayerSet( i ) ) != vps->getNumLayersInIdList( vps->getLayerSetIdxForOutputLayerSet( i ) ) ) { for( Int k = 0; k < vps->getNumLayersInIdList( vps->getLayerSetIdxForOutputLayerSet( i ) ); k++ ) { READ_UVLC( uiCode, "max_vps_layer_dec_pic_buff_minus1" ); dpbSize->setMaxVpsLayerDecPicBuffMinus1( i, k, j, uiCode ); } } #endif READ_UVLC( uiCode, "max_vps_latency_increase_plus1" ); dpbSize->setMaxVpsLatencyIncreasePlus1( i, j, uiCode ); } else { if ( j > 0 ) { for( Int k = 0; k < vps->getNumSubDpbs( vps->getOutputLayerSetIdxMinus1( i ) + 1 ); 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 ) ); } } } } } #endif #if H_3D Void TDecCavlc::parseVPSExtension2( TComVPS* pcVPS ) { UInt uiCode; for( Int i = 0; i <= pcVPS->getMaxLayersMinus1(); i++ ) { #if H_3D_ARP pcVPS->setUseAdvRP ( i, 0 ); pcVPS->setARPStepNum( i, 1 ); #endif #if H_3D_SPIVMP pcVPS->setSubPULog2Size(i, 0); #endif if ( i != 0 ) { if( !( pcVPS->getDepthId( i ) == 1 ) ) { #if H_3D_IV_MERGE READ_FLAG( uiCode, "iv_mv_pred_flag[i]"); pcVPS->setIvMvPredFlag ( i, uiCode == 1 ? true : false ); #if H_3D_SPIVMP READ_UVLC (uiCode, "log2_sub_PU_size_minus3[i]"); pcVPS->setSubPULog2Size(i, uiCode+3); #endif #endif #if H_3D_ARP READ_FLAG( uiCode, "iv_res_pred_flag[i]" ); pcVPS->setUseAdvRP ( i, uiCode ); pcVPS->setARPStepNum( i, uiCode ? H_3D_ARP_WFNR : 1 ); #endif #if H_3D_NBDV_REF READ_FLAG( uiCode, "depth_refinement_flag[i]"); pcVPS->setDepthRefinementFlag ( i, uiCode == 1 ? true : false ); #endif #if H_3D_VSP READ_FLAG( uiCode, "view_synthesis_pred_flag[i]"); pcVPS->setViewSynthesisPredFlag( i, uiCode == 1 ? true : false ); #endif #if H_3D_DBBP READ_FLAG( uiCode, "use_dbbp_flag[i]" ); pcVPS->setUseDBBP( i, uiCode == 1 ? true : false ); #endif } else { #if H_3D_IV_MERGE if(i!=1) { READ_FLAG( uiCode, "iv_mv_pred_flag[i]"); pcVPS->setIvMvPredFlag ( i, uiCode == 1 ? true : false ); } #endif #if H_3D_SPIVMP if (i!=1) { READ_UVLC (uiCode, "log2_sub_PU_size_minus3[i]"); pcVPS->setSubPULog2Size(i, uiCode+3); } #endif #if H_3D_IV_MERGE READ_FLAG( uiCode, "mpi_flag[i]" ); pcVPS->setMPIFlag( i, uiCode == 1 ? true : false ); #endif READ_FLAG( uiCode, "vps_depth_modes_flag[i]" ); pcVPS->setVpsDepthModesFlag( i, uiCode == 1 ? true : false ); // READ_FLAG( uiCode, "lim_qt_pred_flag[i]"); pcVPS->setLimQtPreFlag ( i, uiCode == 1 ? true : false ); #if H_3D_INTER_SDC READ_FLAG( uiCode, "depth_inter_SDC_flag" ); pcVPS->setInterSDCFlag( i, uiCode ? true : false ); #endif } } } UInt uiCamParPrecision = 0; Bool bCamParSlice = false; Bool bCamParPresentFlag = false; READ_UVLC( uiCamParPrecision, "cp_precision" ); for (UInt viewIndex=0; viewIndexgetNumViews(); viewIndex++) { pcVPS->setCamParPresent ( viewIndex, false ); pcVPS->setHasCamParInSliceHeader( viewIndex, false ); READ_FLAG( uiCode, "cp_present_flag[i]" ); bCamParPresentFlag = ( uiCode == 1); if ( bCamParPresentFlag ) { READ_FLAG( uiCode, "cp_in_slice_segment_header_flag[i]" ); bCamParSlice = ( uiCode == 1); if ( !bCamParSlice ) { for( UInt uiBaseIndex = 0; uiBaseIndex < viewIndex; uiBaseIndex++ ) { Int iCode; READ_SVLC( iCode, "vps_cp_scale" ); m_aaiTempScale [ uiBaseIndex ][ viewIndex ] = iCode; READ_SVLC( iCode, "vps_cp_off" ); m_aaiTempOffset [ uiBaseIndex ][ viewIndex ] = iCode; READ_SVLC( iCode, "vps_cp_inv_scale_plus_scale" ); m_aaiTempScale [ viewIndex ][ uiBaseIndex ] = iCode - m_aaiTempScale [ uiBaseIndex ][ viewIndex ]; READ_SVLC( iCode, "vps_cp_inv_off_plus_off" ); m_aaiTempOffset [ viewIndex ][ uiBaseIndex ] = iCode - m_aaiTempOffset[ uiBaseIndex ][ viewIndex ]; } } pcVPS->initCamParaVPS( viewIndex, bCamParPresentFlag, uiCamParPrecision, bCamParSlice, m_aaiTempScale, m_aaiTempOffset ); } } READ_UVLC (uiCode, "log2_sub_PU_MPI_size_minus3"); pcVPS->setSubPUMPILog2Size( uiCode + 3 ); READ_FLAG( uiCode, "iv_mv_scaling_flag"); pcVPS->setIvMvScalingFlag( uiCode == 1 ? true : false ); } #endif Void TDecCavlc::parseSliceHeader (TComSlice*& rpcSlice, ParameterSetManagerDecoder *parameterSetManager) { UInt uiCode; Int iCode; #if ENC_DEC_TRACE xTraceSliceHeader(rpcSlice); #endif TComPPS* pps = NULL; TComSPS* sps = NULL; #if H_MV TComVPS* vps = NULL; #endif UInt firstSliceSegmentInPic; READ_FLAG( firstSliceSegmentInPic, "first_slice_segment_in_pic_flag" ); if( rpcSlice->getRapPicFlag()) { READ_FLAG( uiCode, "no_output_of_prior_pics_flag" ); //ignored } READ_UVLC ( uiCode, "slice_pic_parameter_set_id" ); rpcSlice->setPPSId(uiCode); pps = parameterSetManager->getPrefetchedPPS(uiCode); //!KS: need to add error handling code here, if PPS is not available assert(pps!=0); sps = parameterSetManager->getPrefetchedSPS(pps->getSPSId()); //!KS: need to add error handling code here, if SPS is not available assert(sps!=0); #if H_MV vps = parameterSetManager->getPrefetchedVPS(sps->getVPSId()); assert( vps != NULL ); sps->inferRepFormat ( vps , rpcSlice->getLayerId() ); sps->inferScalingList( parameterSetManager->getActiveSPS( sps->getSpsScalingListRefLayerId() ) ); if ( sps->getVuiParametersPresentFlag() ) { sps->getVuiParameters()->inferVideoSignalInfo( vps, rpcSlice->getLayerId() ); } rpcSlice->setVPS(vps); rpcSlice->setViewId ( vps->getViewId ( rpcSlice->getLayerId() ) ); rpcSlice->setViewIndex( vps->getViewIndex( rpcSlice->getLayerId() ) ); #if H_3D rpcSlice->setIsDepth ( vps->getDepthId ( rpcSlice->getLayerId() ) == 1 ); #endif #endif rpcSlice->setSPS(sps); rpcSlice->setPPS(pps); if( pps->getDependentSliceSegmentsEnabledFlag() && ( !firstSliceSegmentInPic )) { READ_FLAG( uiCode, "dependent_slice_segment_flag" ); rpcSlice->setDependentSliceSegmentFlag(uiCode ? true : false); } else { rpcSlice->setDependentSliceSegmentFlag(false); } Int numCTUs = ((sps->getPicWidthInLumaSamples()+sps->getMaxCUWidth()-1)/sps->getMaxCUWidth())*((sps->getPicHeightInLumaSamples()+sps->getMaxCUHeight()-1)/sps->getMaxCUHeight()); Int maxParts = (1<<(sps->getMaxCUDepth()<<1)); UInt sliceSegmentAddress = 0; Int bitsSliceSegmentAddress = 0; while(numCTUs>(1<setSliceSegmentCurStartCUAddr( startCuAddress ); rpcSlice->setSliceSegmentCurEndCUAddr(numCTUs*maxParts); if (rpcSlice->getDependentSliceSegmentFlag()) { rpcSlice->setNextSlice ( false ); rpcSlice->setNextSliceSegment ( true ); } else { rpcSlice->setNextSlice ( true ); rpcSlice->setNextSliceSegment ( false ); rpcSlice->setSliceCurStartCUAddr(startCuAddress); rpcSlice->setSliceCurEndCUAddr(numCTUs*maxParts); } if(!rpcSlice->getDependentSliceSegmentFlag()) { #if H_MV Int esb = 0; //Don't use i, otherwise will shadow something below if ( rpcSlice->getPPS()->getNumExtraSliceHeaderBits() > esb ) { esb++; READ_FLAG( uiCode, "discardable_flag" ); rpcSlice->setDiscardableFlag( uiCode == 1 ); } if ( rpcSlice->getPPS()->getNumExtraSliceHeaderBits() > esb ) { esb++; READ_FLAG( uiCode, "cross_layer_bla_flag" ); rpcSlice->setCrossLayerBlaFlag( uiCode == 1 ); } rpcSlice->checkCrossLayerBlaFlag( ); #if !H_MV_HLS7_GEN if ( rpcSlice->getPPS()->getNumExtraSliceHeaderBits() > esb ) { esb++; READ_FLAG( uiCode, "poc_reset_flag" ); rpcSlice->setPocResetFlag( uiCode == 1 ); } #endif for (; esb < rpcSlice->getPPS()->getNumExtraSliceHeaderBits(); esb++) #else for (Int i = 0; i < rpcSlice->getPPS()->getNumExtraSliceHeaderBits(); i++) #endif { READ_FLAG(uiCode, "slice_reserved_undetermined_flag[]"); // ignored } READ_UVLC ( uiCode, "slice_type" ); rpcSlice->setSliceType((SliceType)uiCode); if( pps->getOutputFlagPresentFlag() ) { READ_FLAG( uiCode, "pic_output_flag" ); rpcSlice->setPicOutputFlag( uiCode ? true : false ); } else { rpcSlice->setPicOutputFlag( true ); } // in the first version chroma_format_idc is equal to one, thus colour_plane_id will not be present assert (sps->getChromaFormatIdc() == 1 ); // if( separate_colour_plane_flag == 1 ) // colour_plane_id u(2) #if H_MV UInt slicePicOrderCntLsb = 0; Int iPOClsb = slicePicOrderCntLsb; // Needed later if ( (rpcSlice->getLayerId() > 0 && !vps->getPocLsbNotPresentFlag( rpcSlice->getLayerIdInVps())) || !rpcSlice->getIdrPicFlag() ) { READ_CODE(sps->getBitsForPOC(), slicePicOrderCntLsb, "slice_pic_order_cnt_lsb"); } Bool picOrderCntMSBZeroFlag = false; // as in HM code. However are all cases for IRAP picture with NoRaslOutputFlag equal to 1 covered?? picOrderCntMSBZeroFlag = picOrderCntMSBZeroFlag || ( rpcSlice->getNalUnitType() == NAL_UNIT_CODED_SLICE_BLA_W_LP ); picOrderCntMSBZeroFlag = picOrderCntMSBZeroFlag || ( rpcSlice->getNalUnitType() == NAL_UNIT_CODED_SLICE_BLA_W_RADL ); picOrderCntMSBZeroFlag = picOrderCntMSBZeroFlag || ( rpcSlice->getNalUnitType() == NAL_UNIT_CODED_SLICE_BLA_N_LP ); picOrderCntMSBZeroFlag = picOrderCntMSBZeroFlag || rpcSlice->getIdrPicFlag(); // TBD picOrderCntMSBZeroFlag = picOrderCntMSBZeroFlag || ( rpcSlice->getLayerId() > 0 && !rpcSlice->getFirstPicInLayerDecodedFlag() ); Int picOrderCntMSB = 0; if ( !picOrderCntMSBZeroFlag ) { Int prevPicOrderCnt = rpcSlice->getPrevTid0POC(); 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; } } rpcSlice->setPOC( picOrderCntMSB + slicePicOrderCntLsb ); if ( rpcSlice->getPocResetFlag() ) { rpcSlice->setPocBeforeReset ( rpcSlice->getPOC() ); rpcSlice->setPOC ( 0 ); } #endif if( rpcSlice->getIdrPicFlag() ) { #if !H_MV rpcSlice->setPOC(0); #endif TComReferencePictureSet* rps = rpcSlice->getLocalRPS(); rps->setNumberOfNegativePictures(0); rps->setNumberOfPositivePictures(0); rps->setNumberOfLongtermPictures(0); rps->setNumberOfPictures(0); rpcSlice->setRPS(rps); #if H_MV rpcSlice->setEnableTMVPFlag(false); #endif } else { #if !H_MV READ_CODE(sps->getBitsForPOC(), uiCode, "pic_order_cnt_lsb"); Int iPOClsb = uiCode; Int iPrevPOC = rpcSlice->getPrevTid0POC(); 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 ( rpcSlice->getNalUnitType() == NAL_UNIT_CODED_SLICE_BLA_W_LP || rpcSlice->getNalUnitType() == NAL_UNIT_CODED_SLICE_BLA_W_RADL || rpcSlice->getNalUnitType() == NAL_UNIT_CODED_SLICE_BLA_N_LP ) { // For BLA picture types, POCmsb is set to 0. iPOCmsb = 0; } rpcSlice->setPOC (iPOCmsb+iPOClsb); #endif TComReferencePictureSet* rps; rps = rpcSlice->getLocalRPS(); rpcSlice->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()); } else // use reference to short-term reference picture set in PPS { Int numBits = 0; while ((1 << numBits) < rpcSlice->getSPS()->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 (rpcSlice->getSPS()->getNumLongTermRefPicSPS() > 0) { READ_UVLC( uiCode, "num_long_term_sps"); numLtrpInSPS = uiCode; numOfLtrp += numLtrpInSPS; rps->setNumberOfLongtermPictures(numOfLtrp); } Int bitsForLtrpInSPS = 0; while (rpcSlice->getSPS()->getNumLongTermRefPicSPS() > (1 << bitsForLtrpInSPS)) { bitsForLtrpInSPS++; } READ_UVLC( uiCode, "num_long_term_pics"); rps->setNumberOfLongtermPictures(uiCode); numOfLtrp += uiCode; rps->setNumberOfLongtermPictures(numOfLtrp); Int maxPicOrderCntLSB = 1 << rpcSlice->getSPS()->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]"); } Int usedByCurrFromSPS=rpcSlice->getSPS()->getUsedByCurrPicLtSPSFlag(uiCode); pocLsbLt = rpcSlice->getSPS()->getLtRefPicPocLsbSps(uiCode); rps->setUsed(j,usedByCurrFromSPS); } else { READ_CODE(rpcSlice->getSPS()->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 = rpcSlice->getPOC() - deltaPocMSBCycleLT * maxPicOrderCntLSB - iPOClsb + pocLsbLt; rps->setPOC (j, pocLTCurr); rps->setDeltaPOC(j, - rpcSlice->getPOC() + pocLTCurr); rps->setCheckLTMSBPresent(j,true); } else { rps->setPOC (j, pocLsbLt); rps->setDeltaPOC(j, - rpcSlice->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 ( rpcSlice->getNalUnitType() == NAL_UNIT_CODED_SLICE_BLA_W_LP || rpcSlice->getNalUnitType() == NAL_UNIT_CODED_SLICE_BLA_W_RADL || rpcSlice->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 = rpcSlice->getLocalRPS(); rps->setNumberOfNegativePictures(0); rps->setNumberOfPositivePictures(0); rps->setNumberOfLongtermPictures(0); rps->setNumberOfPictures(0); rpcSlice->setRPS(rps); } if (rpcSlice->getSPS()->getTMVPFlagsPresent()) { READ_FLAG( uiCode, "slice_temporal_mvp_enable_flag" ); rpcSlice->setEnableTMVPFlag( uiCode == 1 ? true : false ); } else { rpcSlice->setEnableTMVPFlag(false); } } #if H_MV Bool interLayerPredLayerIdcPresentFlag = false; Int layerId = rpcSlice->getLayerId(); if( rpcSlice->getLayerId() > 0 && !vps->getAllRefLayersActiveFlag() && vps->getNumDirectRefLayers( layerId ) > 0 ) { READ_FLAG( uiCode, "inter_layer_pred_enabled_flag" ); rpcSlice->setInterLayerPredEnabledFlag( uiCode == 1 ); if( rpcSlice->getInterLayerPredEnabledFlag() && vps->getNumDirectRefLayers( layerId ) > 1 ) { if( !vps->getMaxOneActiveRefLayerFlag()) { READ_CODE( rpcSlice->getNumInterLayerRefPicsMinus1Len( ), uiCode, "num_inter_layer_ref_pics_minus1" ); rpcSlice->setNumInterLayerRefPicsMinus1( uiCode ); } if ( rpcSlice->getNumActiveRefLayerPics() != vps->getNumDirectRefLayers( layerId ) ) { interLayerPredLayerIdcPresentFlag = true; for( Int idx = 0; idx < rpcSlice->getNumActiveRefLayerPics(); idx++ ) { READ_CODE( rpcSlice->getInterLayerPredLayerIdcLen( ), uiCode, "inter_layer_pred_layer_idc" ); rpcSlice->setInterLayerPredLayerIdc( idx, uiCode ); } } } } if ( !interLayerPredLayerIdcPresentFlag ) { for( Int i = 0; i < rpcSlice->getNumActiveRefLayerPics(); i++ ) { rpcSlice->setInterLayerPredLayerIdc( i, rpcSlice->getRefLayerPicIdc( i ) ); } } #endif if(sps->getUseSAO()) { READ_FLAG(uiCode, "slice_sao_luma_flag"); rpcSlice->setSaoEnabledFlag((Bool)uiCode); READ_FLAG(uiCode, "slice_sao_chroma_flag"); rpcSlice->setSaoEnabledFlagChroma((Bool)uiCode); } if (rpcSlice->getIdrPicFlag()) { rpcSlice->setEnableTMVPFlag(false); } if (!rpcSlice->isIntra()) { READ_FLAG( uiCode, "num_ref_idx_active_override_flag"); if (uiCode) { READ_UVLC (uiCode, "num_ref_idx_l0_active_minus1" ); rpcSlice->setNumRefIdx( REF_PIC_LIST_0, uiCode + 1 ); if (rpcSlice->isInterB()) { READ_UVLC (uiCode, "num_ref_idx_l1_active_minus1" ); rpcSlice->setNumRefIdx( REF_PIC_LIST_1, uiCode + 1 ); } else { rpcSlice->setNumRefIdx(REF_PIC_LIST_1, 0); } } else { rpcSlice->setNumRefIdx(REF_PIC_LIST_0, rpcSlice->getPPS()->getNumRefIdxL0DefaultActive()); if (rpcSlice->isInterB()) { rpcSlice->setNumRefIdx(REF_PIC_LIST_1, rpcSlice->getPPS()->getNumRefIdxL1DefaultActive()); } else { rpcSlice->setNumRefIdx(REF_PIC_LIST_1,0); } } } // } TComRefPicListModification* refPicListModification = rpcSlice->getRefPicListModification(); if(!rpcSlice->isIntra()) { if( !rpcSlice->getPPS()->getListsModificationPresentFlag() || rpcSlice->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 = rpcSlice->getNumRpsCurrTempList(); if ( numRpsCurrTempList0 > 1 ) { Int length = 1; numRpsCurrTempList0 --; while ( numRpsCurrTempList0 >>= 1) { length ++; } for (i = 0; i < rpcSlice->getNumRefIdx(REF_PIC_LIST_0); i ++) { READ_CODE( length, uiCode, "list_entry_l0" ); refPicListModification->setRefPicSetIdxL0(i, uiCode ); } } else { for (i = 0; i < rpcSlice->getNumRefIdx(REF_PIC_LIST_0); i ++) { refPicListModification->setRefPicSetIdxL0(i, 0 ); } } } } else { refPicListModification->setRefPicListModificationFlagL0(0); } if(rpcSlice->isInterB()) { if( !rpcSlice->getPPS()->getListsModificationPresentFlag() || rpcSlice->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 = rpcSlice->getNumRpsCurrTempList(); if ( numRpsCurrTempList1 > 1 ) { Int length = 1; numRpsCurrTempList1 --; while ( numRpsCurrTempList1 >>= 1) { length ++; } for (i = 0; i < rpcSlice->getNumRefIdx(REF_PIC_LIST_1); i ++) { READ_CODE( length, uiCode, "list_entry_l1" ); refPicListModification->setRefPicSetIdxL1(i, uiCode ); } } else { for (i = 0; i < rpcSlice->getNumRefIdx(REF_PIC_LIST_1); i ++) { refPicListModification->setRefPicSetIdxL1(i, 0 ); } } } } else { refPicListModification->setRefPicListModificationFlagL1(0); } if (rpcSlice->isInterB()) { READ_FLAG( uiCode, "mvd_l1_zero_flag" ); rpcSlice->setMvdL1ZeroFlag( (uiCode ? true : false) ); } rpcSlice->setCabacInitFlag( false ); // default if(pps->getCabacInitPresentFlag() && !rpcSlice->isIntra()) { READ_FLAG(uiCode, "cabac_init_flag"); rpcSlice->setCabacInitFlag( uiCode ? true : false ); } if ( rpcSlice->getEnableTMVPFlag() ) { if ( rpcSlice->getSliceType() == B_SLICE ) { READ_FLAG( uiCode, "collocated_from_l0_flag" ); rpcSlice->setColFromL0Flag(uiCode); } else { rpcSlice->setColFromL0Flag( 1 ); } if ( rpcSlice->getSliceType() != I_SLICE && ((rpcSlice->getColFromL0Flag() == 1 && rpcSlice->getNumRefIdx(REF_PIC_LIST_0) > 1)|| (rpcSlice->getColFromL0Flag() == 0 && rpcSlice->getNumRefIdx(REF_PIC_LIST_1) > 1))) { READ_UVLC( uiCode, "collocated_ref_idx" ); rpcSlice->setColRefIdx(uiCode); } else { rpcSlice->setColRefIdx(0); } } if ( (pps->getUseWP() && rpcSlice->getSliceType()==P_SLICE) || (pps->getWPBiPred() && rpcSlice->getSliceType()==B_SLICE) ) { xParsePredWeightTable(rpcSlice); rpcSlice->initWpScaling(); } #if H_3D_IC else if( rpcSlice->getViewIndex() && ( rpcSlice->getSliceType() == P_SLICE || rpcSlice->getSliceType() == B_SLICE ) && !rpcSlice->getIsDepth()) { UInt uiCodeTmp = 0; READ_FLAG ( uiCodeTmp, "slice_ic_enable_flag" ); rpcSlice->setApplyIC( uiCodeTmp ); if ( uiCodeTmp ) { READ_FLAG ( uiCodeTmp, "ic_skip_mergeidx0" ); rpcSlice->setIcSkipParseFlag( uiCodeTmp ); } } #endif if (!rpcSlice->isIntra()) { READ_UVLC( uiCode, "five_minus_max_num_merge_cand"); #if H_3D_IV_MERGE if(rpcSlice->getIsDepth()) { Bool bMPIFlag = rpcSlice->getVPS()->getMPIFlag( rpcSlice->getLayerIdInVps() ) ; Bool ivMvPredFlag = rpcSlice->getVPS()->getIvMvPredFlag( rpcSlice->getLayerIdInVps() ) ; rpcSlice->setMaxNumMergeCand(( ( bMPIFlag || ivMvPredFlag ) ? MRG_MAX_NUM_CANDS_MEM : MRG_MAX_NUM_CANDS) - uiCode); } else { Bool ivMvPredFlag = rpcSlice->getVPS()->getIvMvPredFlag( rpcSlice->getLayerIdInVps() ) ; rpcSlice->setMaxNumMergeCand(( ivMvPredFlag ? MRG_MAX_NUM_CANDS_MEM : MRG_MAX_NUM_CANDS) - uiCode); } #else rpcSlice->setMaxNumMergeCand(MRG_MAX_NUM_CANDS - uiCode); #endif } READ_SVLC( iCode, "slice_qp_delta" ); rpcSlice->setSliceQp (26 + pps->getPicInitQPMinus26() + iCode); assert( rpcSlice->getSliceQp() >= -sps->getQpBDOffsetY() ); assert( rpcSlice->getSliceQp() <= 51 ); if (rpcSlice->getPPS()->getSliceChromaQpFlag()) { READ_SVLC( iCode, "slice_qp_delta_cb" ); rpcSlice->setSliceQpDeltaCb( iCode ); assert( rpcSlice->getSliceQpDeltaCb() >= -12 ); assert( rpcSlice->getSliceQpDeltaCb() <= 12 ); assert( (rpcSlice->getPPS()->getChromaCbQpOffset() + rpcSlice->getSliceQpDeltaCb()) >= -12 ); assert( (rpcSlice->getPPS()->getChromaCbQpOffset() + rpcSlice->getSliceQpDeltaCb()) <= 12 ); READ_SVLC( iCode, "slice_qp_delta_cr" ); rpcSlice->setSliceQpDeltaCr( iCode ); assert( rpcSlice->getSliceQpDeltaCr() >= -12 ); assert( rpcSlice->getSliceQpDeltaCr() <= 12 ); assert( (rpcSlice->getPPS()->getChromaCrQpOffset() + rpcSlice->getSliceQpDeltaCr()) >= -12 ); assert( (rpcSlice->getPPS()->getChromaCrQpOffset() + rpcSlice->getSliceQpDeltaCr()) <= 12 ); } if (rpcSlice->getPPS()->getDeblockingFilterControlPresentFlag()) { if(rpcSlice->getPPS()->getDeblockingFilterOverrideEnabledFlag()) { READ_FLAG ( uiCode, "deblocking_filter_override_flag" ); rpcSlice->setDeblockingFilterOverrideFlag(uiCode ? true : false); } else { rpcSlice->setDeblockingFilterOverrideFlag(0); } if(rpcSlice->getDeblockingFilterOverrideFlag()) { READ_FLAG ( uiCode, "slice_disable_deblocking_filter_flag" ); rpcSlice->setDeblockingFilterDisable(uiCode ? 1 : 0); if(!rpcSlice->getDeblockingFilterDisable()) { READ_SVLC( iCode, "slice_beta_offset_div2" ); rpcSlice->setDeblockingFilterBetaOffsetDiv2(iCode); assert(rpcSlice->getDeblockingFilterBetaOffsetDiv2() >= -6 && rpcSlice->getDeblockingFilterBetaOffsetDiv2() <= 6); READ_SVLC( iCode, "slice_tc_offset_div2" ); rpcSlice->setDeblockingFilterTcOffsetDiv2(iCode); assert(rpcSlice->getDeblockingFilterTcOffsetDiv2() >= -6 && rpcSlice->getDeblockingFilterTcOffsetDiv2() <= 6); } } else { rpcSlice->setDeblockingFilterDisable ( rpcSlice->getPPS()->getPicDisableDeblockingFilterFlag() ); rpcSlice->setDeblockingFilterBetaOffsetDiv2( rpcSlice->getPPS()->getDeblockingFilterBetaOffsetDiv2() ); rpcSlice->setDeblockingFilterTcOffsetDiv2 ( rpcSlice->getPPS()->getDeblockingFilterTcOffsetDiv2() ); } } else { rpcSlice->setDeblockingFilterDisable ( false ); rpcSlice->setDeblockingFilterBetaOffsetDiv2( 0 ); rpcSlice->setDeblockingFilterTcOffsetDiv2 ( 0 ); } Bool isSAOEnabled = (!rpcSlice->getSPS()->getUseSAO())?(false):(rpcSlice->getSaoEnabledFlag()||rpcSlice->getSaoEnabledFlagChroma()); Bool isDBFEnabled = (!rpcSlice->getDeblockingFilterDisable()); if(rpcSlice->getPPS()->getLoopFilterAcrossSlicesEnabledFlag() && ( isSAOEnabled || isDBFEnabled )) { READ_FLAG( uiCode, "slice_loop_filter_across_slices_enabled_flag"); } else { uiCode = rpcSlice->getPPS()->getLoopFilterAcrossSlicesEnabledFlag()?1:0; } rpcSlice->setLFCrossSliceBoundaryFlag( (uiCode==1)?true:false); } UInt *entryPointOffset = NULL; UInt numEntryPointOffsets, offsetLenMinus1; if( pps->getTilesEnabledFlag() || pps->getEntropyCodingSyncEnabledFlag() ) { READ_UVLC(numEntryPointOffsets, "num_entry_point_offsets"); rpcSlice->setNumEntryPointOffsets ( numEntryPointOffsets ); if (numEntryPointOffsets>0) { READ_UVLC(offsetLenMinus1, "offset_len_minus1"); } entryPointOffset = new UInt[numEntryPointOffsets]; for (UInt idx=0; idxsetNumEntryPointOffsets ( 0 ); } #if H_3D if( rpcSlice->getVPS()->hasCamParInSliceHeader( rpcSlice->getViewIndex() ) && !rpcSlice->getIsDepth() ) { UInt uiViewIndex = rpcSlice->getViewIndex(); for( UInt uiBaseIndex = 0; uiBaseIndex < uiViewIndex; uiBaseIndex++ ) { READ_SVLC( iCode, "cp_scale" ); m_aaiTempScale [ uiBaseIndex ][ uiViewIndex ] = iCode; READ_SVLC( iCode, "cp_off" ); m_aaiTempOffset[ uiBaseIndex ][ uiViewIndex ] = iCode; READ_SVLC( iCode, "cp_inv_scale_plus_scale" ); m_aaiTempScale [ uiViewIndex ][ uiBaseIndex ] = iCode - m_aaiTempScale [ uiBaseIndex ][ uiViewIndex ]; READ_SVLC( iCode, "cp_inv_off_plus_off" ); m_aaiTempOffset[ uiViewIndex ][ uiBaseIndex ] = iCode - m_aaiTempOffset[ uiBaseIndex ][ uiViewIndex ]; } rpcSlice->setCamparaSlice( m_aaiTempScale, m_aaiTempOffset ); } #endif if(pps->getSliceHeaderExtensionPresentFlag()) { #if H_MV READ_UVLC( uiCode, "slice_segment_header_extension_length" ); rpcSlice->setSliceSegmentHeaderExtensionLength( uiCode ); UInt posFollSliceSegHeaderExtLen = m_pcBitstream->getNumBitsRead(); if( rpcSlice->getPPS()->getPocResetInfoPresentFlag() ) { READ_CODE( 2, uiCode, "poc_reset_idc" ); rpcSlice->setPocResetIdc( uiCode ); } else { rpcSlice->setPocResetIdc( 0 ); } if( rpcSlice->getPocResetIdc() != 0 ) { READ_CODE( 6, uiCode, "poc_reset_period_id" ); rpcSlice->setPocResetPeriodId( uiCode ); } else { // TODO Copy poc_reset_period from earlier picture rpcSlice->setPocResetPeriodId( 0 ); } if( rpcSlice->getPocResetIdc() == 3 ) { READ_FLAG( uiCode, "full_poc_reset_flag" ); rpcSlice->setFullPocResetFlag( uiCode == 1 ); READ_CODE( rpcSlice->getPocLsbValLen() , uiCode, "poc_lsb_val" ); rpcSlice->setPocLsbVal( uiCode ); } // Derive the value of PocMsbValRequiredFlag rpcSlice->setPocMsbValRequiredFlag( rpcSlice->getCraPicFlag() || rpcSlice->getBlaPicFlag() /* || TODO related to vps_poc_lsb_aligned_flag */ ); if( !rpcSlice->getPocMsbValRequiredFlag() /* TODO && rpcSlice->getVPS()->getVpsPocLsbAlignedFlag() */ ) { READ_FLAG( uiCode, "poc_msb_val_present_flag" ); rpcSlice->setPocMsbValPresentFlag( uiCode == 1 ); } else { if( rpcSlice->getPocMsbValRequiredFlag() ) { rpcSlice->setPocMsbValPresentFlag( true ); } else { rpcSlice->setPocMsbValPresentFlag( false ); } } if( rpcSlice->getPocMsbValPresentFlag() ) { READ_UVLC( uiCode, "poc_msb_val" ); rpcSlice->setPocMsbVal( uiCode ); } while( ( m_pcBitstream->getNumBitsRead() - posFollSliceSegHeaderExtLen ) < rpcSlice->getSliceSegmentHeaderExtensionLength() * 8 ) { READ_FLAG( uiCode, "slice_segment_header_extension_data_bit" ); } assert( ( m_pcBitstream->getNumBitsRead() - posFollSliceSegHeaderExtLen ) == rpcSlice->getSliceSegmentHeaderExtensionLength() * 8 ); #else READ_UVLC( uiCode, "slice_header_extension_length" ); for(Int i=0; ireadByteAlignment(); 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; } if ( pps->getTilesEnabledFlag() ) { rpcSlice->setTileLocationCount( numEntryPointOffsets ); UInt prevPos = 0; for (Int idx=0; idxgetTileLocationCount(); idx++) { rpcSlice->setTileLocation( idx, prevPos + entryPointOffset [ idx ] ); prevPos += entryPointOffset[ idx ]; } } else if ( pps->getEntropyCodingSyncEnabledFlag() ) { Int numSubstreams = rpcSlice->getNumEntryPointOffsets()+1; rpcSlice->allocSubstreamSizes(numSubstreams); UInt *pSubstreamSizes = rpcSlice->getSubstreamSizes(); for (Int idx=0; idxgetGeneralPTL()); } READ_CODE( 8, uiCode, "general_level_idc" ); rpcPTL->getGeneralPTL()->setLevelIdc(uiCode); for (Int i = 0; i < maxNumSubLayersMinus1; i++) { #if !H_MV if(profilePresentFlag) { #endif READ_FLAG( uiCode, "sub_layer_profile_present_flag[i]" ); rpcPTL->setSubLayerProfilePresentFlag(i, uiCode); #if H_MV rpcPTL->setSubLayerProfilePresentFlag( i, profilePresentFlag && rpcPTL->getSubLayerProfilePresentFlag(i) ); #else } #endif READ_FLAG( uiCode, "sub_layer_level_present_flag[i]" ); rpcPTL->setSubLayerLevelPresentFlag (i, uiCode); } 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( profilePresentFlag && rpcPTL->getSubLayerProfilePresentFlag(i) ) { parseProfileTier(rpcPTL->getSubLayerPTL(i)); } if(rpcPTL->getSubLayerLevelPresentFlag(i)) { READ_CODE( 8, uiCode, "sub_layer_level_idc[i]" ); rpcPTL->getSubLayerPTL(i)->setLevelIdc(uiCode); } } } Void TDecCavlc::parseProfileTier(ProfileTierLevel *ptl) { UInt uiCode; READ_CODE(2 , uiCode, "XXX_profile_space[]"); ptl->setProfileSpace(uiCode); READ_FLAG( uiCode, "XXX_tier_flag[]" ); ptl->setTierFlag (uiCode ? 1 : 0); READ_CODE(5 , uiCode, "XXX_profile_idc[]" ); ptl->setProfileIdc (uiCode); for(Int j = 0; j < 32; j++) { READ_FLAG( uiCode, "XXX_profile_compatibility_flag[][j]"); ptl->setProfileCompatibilityFlag(j, uiCode ? 1 : 0); } READ_FLAG(uiCode, "general_progressive_source_flag"); ptl->setProgressiveSourceFlag(uiCode ? true : false); READ_FLAG(uiCode, "general_interlaced_source_flag"); ptl->setInterlacedSourceFlag(uiCode ? true : false); READ_FLAG(uiCode, "general_non_packed_constraint_flag"); ptl->setNonPackedConstraintFlag(uiCode ? true : false); READ_FLAG(uiCode, "general_frame_only_constraint_flag"); ptl->setFrameOnlyConstraintFlag(uiCode ? true : false); READ_CODE(16, uiCode, "XXX_reserved_zero_44bits[0..15]"); READ_CODE(16, uiCode, "XXX_reserved_zero_44bits[16..31]"); READ_CODE(12, uiCode, "XXX_reserved_zero_44bits[32..43]"); } 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::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::parseDeltaQP( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) { Int qp; Int iDQp; xReadSvlc( iDQp ); Int qpBdOffsetY = pcCU->getSlice()->getSPS()->getQpBDOffsetY(); qp = (((Int) pcCU->getRefQP( uiAbsPartIdx ) + iDQp + 52 + 2*qpBdOffsetY )%(52+ qpBdOffsetY)) - qpBdOffsetY; UInt uiAbsQpCUPartIdx = (uiAbsPartIdx>>((g_uiMaxCUDepth - pcCU->getSlice()->getPPS()->getMaxCuDQPDepth())<<1))<<((g_uiMaxCUDepth - pcCU->getSlice()->getPPS()->getMaxCuDQPDepth())<<1) ; UInt uiQpCUDepth = min(uiDepth,pcCU->getSlice()->getPPS()->getMaxCuDQPDepth()) ; pcCU->setQPSubParts( qp, uiAbsQpCUPartIdx, uiQpCUDepth ); } Void TDecCavlc::parseCoeffNxN( TComDataCU* /*pcCU*/, TCoeff* /*pcCoef*/, UInt /*uiAbsPartIdx*/, UInt /*uiWidth*/, UInt /*uiHeight*/, UInt /*uiDepth*/, TextType /*eTType*/ ) { assert(0); } Void TDecCavlc::parseTransformSubdivFlag( UInt& /*ruiSubdivFlag*/, UInt /*uiLog2TransformBlockSize*/ ) { assert(0); } Void TDecCavlc::parseQtCbf( TComDataCU* /*pcCU*/, UInt /*uiAbsPartIdx*/, TextType /*eType*/, UInt /*uiTrDepth*/, UInt /*uiDepth*/ ) { assert(0); } Void TDecCavlc::parseQtRootCbf( UInt /*uiAbsPartIdx*/, UInt& /*uiQtRootCbf*/ ) { assert(0); } Void TDecCavlc::parseTransformSkipFlags (TComDataCU* /*pcCU*/, UInt /*uiAbsPartIdx*/, UInt /*width*/, UInt /*height*/, UInt /*uiDepth*/, TextType /*eTType*/) { 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 H_3D_DBBP Void TDecCavlc::parseDBBPFlag( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) { assert(0); } #endif // ==================================================================================================================== // Protected member functions // ==================================================================================================================== /** parse explicit wp tables * \param TComSlice* pcSlice * \returns Void */ Void TDecCavlc::xParsePredWeightTable( TComSlice* pcSlice ) { wpScalingParam *wp; Bool bChroma = true; // color always present in HEVC ? SliceType eSliceType = pcSlice->getSliceType(); Int iNbRef = (eSliceType == B_SLICE ) ? (2) : (1); UInt uiLog2WeightDenomLuma, uiLog2WeightDenomChroma; UInt uiTotalSignalledWeightFlags = 0; Int iDeltaDenom; // decode delta_luma_log2_weight_denom : READ_UVLC( uiLog2WeightDenomLuma, "luma_log2_weight_denom" ); // ue(v): luma_log2_weight_denom assert( uiLog2WeightDenomLuma <= 7 ); if( bChroma ) { READ_SVLC( iDeltaDenom, "delta_chroma_log2_weight_denom" ); // se(v): 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[0].uiLog2WeightDenom = uiLog2WeightDenomLuma; wp[1].uiLog2WeightDenom = uiLog2WeightDenomChroma; wp[2].uiLog2WeightDenom = uiLog2WeightDenomChroma; UInt uiCode; READ_FLAG( uiCode, "luma_weight_lX_flag" ); // u(1): luma_weight_l0_flag wp[0].bPresentFlag = ( uiCode == 1 ); uiTotalSignalledWeightFlags += wp[0].bPresentFlag; } if ( bChroma ) { UInt uiCode; for ( Int iRefIdx=0 ; iRefIdxgetNumRefIdx(eRefPicList) ; iRefIdx++ ) { pcSlice->getWpScaling(eRefPicList, iRefIdx, wp); READ_FLAG( uiCode, "chroma_weight_lX_flag" ); // u(1): chroma_weight_l0_flag wp[1].bPresentFlag = ( uiCode == 1 ); wp[2].bPresentFlag = ( uiCode == 1 ); uiTotalSignalledWeightFlags += 2*wp[1].bPresentFlag; } } for ( Int iRefIdx=0 ; iRefIdxgetNumRefIdx(eRefPicList) ; iRefIdx++ ) { pcSlice->getWpScaling(eRefPicList, iRefIdx, wp); if ( wp[0].bPresentFlag ) { Int iDeltaWeight; READ_SVLC( iDeltaWeight, "delta_luma_weight_lX" ); // se(v): delta_luma_weight_l0[i] assert( iDeltaWeight >= -128 ); assert( iDeltaWeight <= 127 ); wp[0].iWeight = (iDeltaWeight + (1<= -128 ); assert( wp[0].iOffset <= 127 ); } else { wp[0].iWeight = (1 << wp[0].uiLog2WeightDenom); wp[0].iOffset = 0; } if ( bChroma ) { if ( wp[1].bPresentFlag ) { for ( Int j=1 ; j<3 ; j++ ) { Int iDeltaWeight; READ_SVLC( iDeltaWeight, "delta_chroma_weight_lX" ); // se(v): chroma_weight_l0[i][j] assert( iDeltaWeight >= -128 ); assert( iDeltaWeight <= 127 ); wp[j].iWeight = (iDeltaWeight + (1<= -512 ); assert( iDeltaChroma <= 511 ); Int pred = ( 128 - ( ( 128*wp[j].iWeight)>>(wp[j].uiLog2WeightDenom) ) ); wp[j].iOffset = Clip3(-128, 127, (iDeltaChroma + pred) ); } } else { for ( Int j=1 ; j<3 ; j++ ) { wp[j].iWeight = (1 << wp[j].uiLog2WeightDenom); wp[j].iOffset = 0; } } } } for ( Int iRefIdx=pcSlice->getNumRefIdx(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 < g_scalingListNum[sizeId]; listId++) { READ_FLAG( code, "scaling_list_pred_mode_flag"); scalingListPredModeFlag = (code) ? true : false; if(!scalingListPredModeFlag) //Copy Mode { READ_UVLC( code, "scaling_list_pred_matrix_id_delta"); 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 = (sizeId == 0) ? g_auiSigLastScan [ SCAN_DIAG ] [ 1 ] : g_sigLastScanCG32x32; 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); } //! \}