/* 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" #if Q0048_CGS_3D_ASYMLUT #include "../TLibCommon/TCom3DAsymLUT.h" #endif //! \ingroup TLibDecoder //! \{ #if ENC_DEC_TRACE Void xTraceSPSHeader (TComSPS *pSPS) { fprintf( g_hTrace, "=========== Sequence Parameter Set ID: %d ===========\n", pSPS->getSPSId() ); } Void xTracePPSHeader (TComPPS *pPPS) { fprintf( g_hTrace, "=========== Picture Parameter Set ID: %d ===========\n", pPPS->getPPSId() ); } Void xTraceSliceHeader (TComSlice *pSlice) { fprintf( g_hTrace, "=========== Slice ===========\n"); } #endif // ==================================================================================================================== // Constructor / destructor / create / destroy // ==================================================================================================================== TDecCavlc::TDecCavlc() { } TDecCavlc::~TDecCavlc() { } // ==================================================================================================================== // Public member functions // ==================================================================================================================== void TDecCavlc::parseShortTermRefPicSet( TComSPS* sps, TComReferencePictureSet* rps, Int idx ) { UInt code; UInt interRPSPred; if (idx > 0) { READ_FLAG(interRPSPred, "inter_ref_pic_set_prediction_flag"); rps->setInterRPSPrediction(interRPSPred); } else { interRPSPred = false; rps->setInterRPSPrediction(false); } if (interRPSPred) { UInt bit; if(idx == sps->getRPSList()->getNumberOfReferencePictureSets()) { READ_UVLC(code, "delta_idx_minus1" ); // delta index of the Reference Picture Set used for prediction minus 1 } else { code = 0; } assert(code <= idx-1); // delta_idx_minus1 shall not be larger than idx-1, otherwise we will predict from a negative row position that does not exist. When idx equals 0 there is no legal value and interRPSPred must be zero. See J0185-r2 Int rIdx = idx - 1 - code; assert (rIdx <= idx-1 && rIdx >= 0); // Made assert tighter; if rIdx = idx then prediction is done from itself. rIdx must belong to range 0, idx-1, inclusive, see J0185-r2 TComReferencePictureSet* rpsRef = sps->getRPSList()->getReferencePictureSet(rIdx); Int k = 0, k0 = 0, k1 = 0; READ_CODE(1, bit, "delta_rps_sign"); // delta_RPS_sign READ_UVLC(code, "abs_delta_rps_minus1"); // absolute delta RPS minus 1 Int deltaRPS = (1 - 2 * bit) * (code + 1); // delta_RPS for(Int j=0 ; j <= rpsRef->getNumberOfPictures(); j++) { READ_CODE(1, bit, "used_by_curr_pic_flag" ); //first bit is "1" if Idc is 1 Int refIdc = bit; if (refIdc == 0) { READ_CODE(1, bit, "use_delta_flag" ); //second bit is "1" if Idc is 2, "0" otherwise. refIdc = bit<<1; //second bit is "1" if refIdc is 2, "0" if refIdc = 0. } if (refIdc == 1 || refIdc == 2) { Int deltaPOC = deltaRPS + ((j < rpsRef->getNumberOfPictures())? rpsRef->getDeltaPOC(j) : 0); rps->setDeltaPOC(k, deltaPOC); rps->setUsed(k, (refIdc == 1)); if (deltaPOC < 0) { k0++; } else { k1++; } k++; } rps->setRefIdc(j,refIdc); } rps->setNumRefIdc(rpsRef->getNumberOfPictures()+1); rps->setNumberOfPictures(k); rps->setNumberOfNegativePictures(k0); rps->setNumberOfPositivePictures(k1); rps->sortDeltaPOC(); } else { READ_UVLC(code, "num_negative_pics"); rps->setNumberOfNegativePictures(code); READ_UVLC(code, "num_positive_pics"); rps->setNumberOfPositivePictures(code); Int prev = 0; Int poc; for(Int j=0 ; j < rps->getNumberOfNegativePictures(); j++) { READ_UVLC(code, "delta_poc_s0_minus1"); poc = prev-code-1; prev = poc; rps->setDeltaPOC(j,poc); READ_FLAG(code, "used_by_curr_pic_s0_flag"); rps->setUsed(j,code); } prev = 0; for(Int j=rps->getNumberOfNegativePictures(); j < rps->getNumberOfNegativePictures()+rps->getNumberOfPositivePictures(); j++) { READ_UVLC(code, "delta_poc_s1_minus1"); poc = prev+code+1; prev = poc; rps->setDeltaPOC(j,poc); READ_FLAG(code, "used_by_curr_pic_s1_flag"); rps->setUsed(j,code); } rps->setNumberOfPictures(rps->getNumberOfNegativePictures()+rps->getNumberOfPositivePictures()); } #if PRINT_RPS_INFO rps->printDeltaPOC(); #endif } Void TDecCavlc::parsePPS(TComPPS* pcPPS #if Q0048_CGS_3D_ASYMLUT , TCom3DAsymLUT * pc3DAsymLUT , Int nLayerID #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->setNumTileColumnsMinus1( uiCode ); READ_UVLC ( uiCode, "num_tile_rows_minus1" ); pcPPS->setNumTileRowsMinus1( uiCode ); READ_FLAG ( uiCode, "uniform_spacing_flag" ); pcPPS->setTileUniformSpacingFlag( uiCode == 1 ); if( !pcPPS->getTileUniformSpacingFlag()) { std::vector columnWidth(pcPPS->getNumTileColumnsMinus1()); for(UInt i=0; igetNumTileColumnsMinus1(); i++) { READ_UVLC( uiCode, "column_width_minus1" ); columnWidth[i] = uiCode+1; } pcPPS->setTileColumnWidth(columnWidth); std::vector rowHeight (pcPPS->getTileNumRowsMinus1()); for(UInt i=0; igetTileNumRowsMinus1(); i++) { READ_UVLC( uiCode, "row_height_minus1" ); rowHeight[i] = uiCode + 1; } pcPPS->setTileRowHeight(rowHeight); } if(pcPPS->getNumTileColumnsMinus1() !=0 || pcPPS->getTileNumRowsMinus1() !=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 !R0042_PROFILE_INDICATION #if SCALINGLIST_INFERRING if( pcPPS->getLayerId() > 0 ) { READ_FLAG( uiCode, "pps_infer_scaling_list_flag" ); pcPPS->setInferScalingListFlag( uiCode ); } if( pcPPS->getInferScalingListFlag() ) { READ_UVLC( uiCode, "pps_scaling_list_ref_layer_id" ); pcPPS->setScalingListRefLayerId( uiCode ); // The value of pps_scaling_list_ref_layer_id shall be in the range of 0 to 62, inclusive assert( pcPPS->getScalingListRefLayerId() <= 62 ); pcPPS->setScalingListPresentFlag( false ); } else { #endif #endif READ_FLAG( uiCode, "pps_scaling_list_data_present_flag" ); pcPPS->setScalingListPresentFlag( uiCode ? true : false ); if(pcPPS->getScalingListPresentFlag ()) { parseScalingList( pcPPS->getScalingList() ); } #if !R0042_PROFILE_INDICATION #if SCALINGLIST_INFERRING } #endif #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); #if !R0042_PROFILE_INDICATION READ_FLAG( uiCode, "pps_extension_flag"); #else READ_FLAG( uiCode, "pps_extension_present_flag"); #endif #if !R0042_PROFILE_INDICATION #if POC_RESET_INFO_INFERENCE pcPPS->setExtensionFlag( uiCode ? true : false ); if( pcPPS->getExtensionFlag() ) #else if (uiCode) #endif { #if P0166_MODIFIED_PPS_EXTENSION UInt ppsExtensionTypeFlag[8]; for (UInt i = 0; i < 8; i++) { READ_FLAG( ppsExtensionTypeFlag[i], "pps_extension_type_flag" ); } #if !POC_RESET_IDC if (ppsExtensionTypeFlag[1]) { #else if( ppsExtensionTypeFlag[0] ) { READ_FLAG( uiCode, "poc_reset_info_present_flag" ); pcPPS->setPocResetInfoPresentFlag(uiCode ? true : false); #if REF_REGION_OFFSET READ_UVLC( uiCode, "num_scaled_ref_layer_offsets" ); pcPPS->setNumScaledRefLayerOffsets(uiCode); for(Int i = 0; i < pcPPS->getNumScaledRefLayerOffsets(); i++) { READ_CODE( 6, uiCode, "scaled_ref_layer_id" ); pcPPS->setScaledRefLayerId( i, uiCode ); READ_FLAG( uiCode, "scaled_ref_layer_offset_present_flag" ); pcPPS->setScaledRefLayerOffsetPresentFlag( i, uiCode ); if (uiCode) { Window& scaledWindow = pcPPS->getScaledRefLayerWindow(i); READ_SVLC( iCode, "scaled_ref_layer_left_offset" ); scaledWindow.setWindowLeftOffset (iCode << 1); READ_SVLC( iCode, "scaled_ref_layer_top_offset" ); scaledWindow.setWindowTopOffset (iCode << 1); READ_SVLC( iCode, "scaled_ref_layer_right_offset" ); scaledWindow.setWindowRightOffset (iCode << 1); READ_SVLC( iCode, "scaled_ref_layer_bottom_offset" ); scaledWindow.setWindowBottomOffset(iCode << 1); #if P0312_VERT_PHASE_ADJ READ_FLAG( uiCode, "vert_phase_position_enable_flag" ); scaledWindow.setVertPhasePositionEnableFlag(uiCode); pcPPS->setVertPhasePositionEnableFlag( pcPPS->getScaledRefLayerId(i), uiCode); #endif } READ_FLAG( uiCode, "ref_region_offset_present_flag" ); pcPPS->setRefRegionOffsetPresentFlag( i, uiCode ); if (uiCode) { Window& refWindow = pcPPS->getRefLayerWindow(i); READ_SVLC( iCode, "ref_region_left_offset" ); refWindow.setWindowLeftOffset (iCode << 1); READ_SVLC( iCode, "ref_region_top_offset" ); refWindow.setWindowTopOffset (iCode << 1); READ_SVLC( iCode, "ref_region_right_offset" ); refWindow.setWindowRightOffset (iCode << 1); READ_SVLC( iCode, "ref_region_bottom_offset" ); refWindow.setWindowBottomOffset(iCode << 1); } #if R0209_GENERIC_PHASE READ_FLAG( uiCode, "resample_phase_set_present_flag" ); pcPPS->setResamplePhaseSetPresentFlag( i, uiCode ); if (uiCode) { READ_UVLC( uiCode, "phase_hor_luma" ); pcPPS->setPhaseHorLuma ( i, uiCode ); READ_UVLC( uiCode, "phase_ver_luma" ); pcPPS->setPhaseVerLuma ( i, uiCode ); READ_UVLC( uiCode, "phase_hor_chroma_plus8" ); pcPPS->setPhaseHorChroma (i, uiCode - 8); READ_UVLC( uiCode, "phase_ver_chroma_plus8" ); pcPPS->setPhaseVerChroma (i, uiCode - 8); } #endif } #else #if MOVE_SCALED_OFFSET_TO_PPS READ_UVLC( uiCode, "num_scaled_ref_layer_offsets" ); pcPPS->setNumScaledRefLayerOffsets(uiCode); for(Int i = 0; i < pcPPS->getNumScaledRefLayerOffsets(); i++) { Window& scaledWindow = pcPPS->getScaledRefLayerWindow(i); #if O0098_SCALED_REF_LAYER_ID READ_CODE( 6, uiCode, "scaled_ref_layer_id" ); pcPPS->setScaledRefLayerId( i, uiCode ); #endif READ_SVLC( iCode, "scaled_ref_layer_left_offset" ); scaledWindow.setWindowLeftOffset (iCode << 1); READ_SVLC( iCode, "scaled_ref_layer_top_offset" ); scaledWindow.setWindowTopOffset (iCode << 1); READ_SVLC( iCode, "scaled_ref_layer_right_offset" ); scaledWindow.setWindowRightOffset (iCode << 1); READ_SVLC( iCode, "scaled_ref_layer_bottom_offset" ); scaledWindow.setWindowBottomOffset(iCode << 1); #if P0312_VERT_PHASE_ADJ READ_FLAG( uiCode, "vert_phase_position_enable_flag" ); scaledWindow.setVertPhasePositionEnableFlag(uiCode); pcPPS->setVertPhasePositionEnableFlag( pcPPS->getScaledRefLayerId(i), uiCode); #endif } #endif #endif #if Q0048_CGS_3D_ASYMLUT READ_FLAG( uiCode , "colour_mapping_enabled_flag" ); pcPPS->setCGSFlag( uiCode ); if( pcPPS->getCGSFlag() ) { xParse3DAsymLUT( pc3DAsymLUT ); pcPPS->setCGSOutputBitDepthY( pc3DAsymLUT->getOutputBitDepthY() ); pcPPS->setCGSOutputBitDepthC( pc3DAsymLUT->getOutputBitDepthC() ); } #endif #endif } #if POC_RESET_INFO_INFERENCE else // Extension type 0 absent { pcPPS->setPocResetInfoPresentFlag( false ); } #endif if (ppsExtensionTypeFlag[7]) { #endif while ( xMoreRbspData() ) { READ_FLAG( uiCode, "pps_extension_data_flag"); } #if P0166_MODIFIED_PPS_EXTENSION } #endif } #if POC_RESET_INFO_INFERENCE if( !pcPPS->getExtensionFlag() ) { pcPPS->setPocResetInfoPresentFlag( false ); } #endif #else pcPPS->setExtensionFlag( uiCode ? true : false ); if( pcPPS->getExtensionFlag() ) { READ_FLAG( uiCode, "pps_range_extension_flag" ); assert(uiCode == 0); READ_FLAG( uiCode, "pps_multilayer_extension_flag" ); assert(uiCode == 1); READ_CODE(6, uiCode, "pps_extension_6bits"); assert(uiCode == 0); READ_FLAG( uiCode, "poc_reset_info_present_flag" ); pcPPS->setPocResetInfoPresentFlag(uiCode ? true : false); #if SCALINGLIST_INFERRING READ_FLAG( uiCode, "pps_infer_scaling_list_flag" ); pcPPS->setInferScalingListFlag( uiCode ); if( pcPPS->getInferScalingListFlag() ) { READ_UVLC( uiCode, "pps_scaling_list_ref_layer_id" ); pcPPS->setScalingListRefLayerId( uiCode ); // The value of pps_scaling_list_ref_layer_id shall be in the range of 0 to 62, inclusive assert( pcPPS->getScalingListRefLayerId() <= 62 ); pcPPS->setScalingListPresentFlag( false ); } #endif #if REF_REGION_OFFSET READ_UVLC( uiCode, "num_ref_loc_offsets" ); pcPPS->setNumScaledRefLayerOffsets(uiCode); for(Int i = 0; i < pcPPS->getNumScaledRefLayerOffsets(); i++) { READ_CODE( 6, uiCode, "ref_loc_offset_layer_id" ); pcPPS->setScaledRefLayerId( i, uiCode ); READ_FLAG( uiCode, "scaled_ref_layer_offset_present_flag" ); pcPPS->setScaledRefLayerOffsetPresentFlag( i, uiCode ); if (uiCode) { Window& scaledWindow = pcPPS->getScaledRefLayerWindow(i); READ_SVLC( iCode, "scaled_ref_layer_left_offset" ); scaledWindow.setWindowLeftOffset (iCode << 1); READ_SVLC( iCode, "scaled_ref_layer_top_offset" ); scaledWindow.setWindowTopOffset (iCode << 1); READ_SVLC( iCode, "scaled_ref_layer_right_offset" ); scaledWindow.setWindowRightOffset (iCode << 1); READ_SVLC( iCode, "scaled_ref_layer_bottom_offset" ); scaledWindow.setWindowBottomOffset(iCode << 1); #if P0312_VERT_PHASE_ADJ READ_FLAG( uiCode, "vert_phase_position_enable_flag" ); scaledWindow.setVertPhasePositionEnableFlag(uiCode); pcPPS->setVertPhasePositionEnableFlag( pcPPS->getScaledRefLayerId(i), uiCode); #endif } READ_FLAG( uiCode, "ref_region_offset_present_flag" ); pcPPS->setRefRegionOffsetPresentFlag( i, uiCode ); if (uiCode) { Window& refWindow = pcPPS->getRefLayerWindow(i); READ_SVLC( iCode, "ref_region_left_offset" ); refWindow.setWindowLeftOffset (iCode << 1); READ_SVLC( iCode, "ref_region_top_offset" ); refWindow.setWindowTopOffset (iCode << 1); READ_SVLC( iCode, "ref_region_right_offset" ); refWindow.setWindowRightOffset (iCode << 1); READ_SVLC( iCode, "ref_region_bottom_offset" ); refWindow.setWindowBottomOffset(iCode << 1); } #if R0209_GENERIC_PHASE READ_FLAG( uiCode, "resample_phase_set_present_flag" ); pcPPS->setResamplePhaseSetPresentFlag( i, uiCode ); if (uiCode) { READ_UVLC( uiCode, "phase_hor_luma" ); pcPPS->setPhaseHorLuma ( i, uiCode ); READ_UVLC( uiCode, "phase_ver_luma" ); pcPPS->setPhaseVerLuma ( i, uiCode ); READ_UVLC( uiCode, "phase_hor_chroma_plus8" ); pcPPS->setPhaseHorChroma (i, uiCode - 8); READ_UVLC( uiCode, "phase_ver_chroma_plus8" ); pcPPS->setPhaseVerChroma (i, uiCode - 8); } #endif } #else #if MOVE_SCALED_OFFSET_TO_PPS READ_UVLC( uiCode, "num_scaled_ref_layer_offsets" ); pcPPS->setNumScaledRefLayerOffsets(uiCode); for(Int i = 0; i < pcPPS->getNumScaledRefLayerOffsets(); i++) { Window& scaledWindow = pcPPS->getScaledRefLayerWindow(i); #if O0098_SCALED_REF_LAYER_ID READ_CODE( 6, uiCode, "scaled_ref_layer_id" ); pcPPS->setScaledRefLayerId( i, uiCode ); #endif READ_SVLC( iCode, "scaled_ref_layer_left_offset" ); scaledWindow.setWindowLeftOffset (iCode << 1); READ_SVLC( iCode, "scaled_ref_layer_top_offset" ); scaledWindow.setWindowTopOffset (iCode << 1); READ_SVLC( iCode, "scaled_ref_layer_right_offset" ); scaledWindow.setWindowRightOffset (iCode << 1); READ_SVLC( iCode, "scaled_ref_layer_bottom_offset" ); scaledWindow.setWindowBottomOffset(iCode << 1); #if P0312_VERT_PHASE_ADJ READ_FLAG( uiCode, "vert_phase_position_enable_flag" ); scaledWindow.setVertPhasePositionEnableFlag(uiCode); pcPPS->setVertPhasePositionEnableFlag( pcPPS->getScaledRefLayerId(i), uiCode); #endif } #endif #endif #if Q0048_CGS_3D_ASYMLUT READ_FLAG( uiCode , "colour_mapping_enabled_flag" ); pcPPS->setCGSFlag( uiCode ); if( pcPPS->getCGSFlag() ) { xParse3DAsymLUT( pc3DAsymLUT ); pcPPS->setCGSOutputBitDepthY( pc3DAsymLUT->getOutputBitDepthY() ); pcPPS->setCGSOutputBitDepthC( pc3DAsymLUT->getOutputBitDepthC() ); } #endif } #endif } Void TDecCavlc::parseVUI(TComVUI* pcVUI, TComSPS *pcSPS) { #if ENC_DEC_TRACE fprintf( g_hTrace, "----------- vui_parameters -----------\n"); #endif UInt uiCode; READ_FLAG( uiCode, "aspect_ratio_info_present_flag"); pcVUI->setAspectRatioInfoPresentFlag(uiCode); if (pcVUI->getAspectRatioInfoPresentFlag()) { READ_CODE(8, uiCode, "aspect_ratio_idc"); pcVUI->setAspectRatioIdc(uiCode); if (pcVUI->getAspectRatioIdc() == 255) { READ_CODE(16, uiCode, "sar_width"); pcVUI->setSarWidth(uiCode); READ_CODE(16, uiCode, "sar_height"); pcVUI->setSarHeight(uiCode); } } READ_FLAG( uiCode, "overscan_info_present_flag"); pcVUI->setOverscanInfoPresentFlag(uiCode); if (pcVUI->getOverscanInfoPresentFlag()) { READ_FLAG( uiCode, "overscan_appropriate_flag"); pcVUI->setOverscanAppropriateFlag(uiCode); } READ_FLAG( uiCode, "video_signal_type_present_flag"); pcVUI->setVideoSignalTypePresentFlag(uiCode); if (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(); 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()) ); } TimingInfo *timingInfo = pcVUI->getTimingInfo(); READ_FLAG( uiCode, "vui_timing_info_present_flag"); timingInfo->setTimingInfoPresentFlag (uiCode ? true : false); #if SVC_EXTENSION if( pcSPS->getLayerId() > 0 ) { assert( timingInfo->getTimingInfoPresentFlag() == false ); } #endif 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 ); } #if VPS_VUI_BSP_HRD_PARAMS else { hrd->setInitialCpbRemovalDelayLengthMinus1( 23 ); // Add inferred values for other syntax elements here. } #endif } 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 SVC_EXTENSION && !SPS_DPB_PARAMS Void TDecCavlc::parseSPS(TComSPS* pcSPS, ParameterSetManagerDecoder *parameterSetManager) #else Void TDecCavlc::parseSPS(TComSPS* pcSPS) #endif { #if ENC_DEC_TRACE xTraceSPSHeader (pcSPS); #endif #if R0042_PROFILE_INDICATION UInt uiTmp = 0; Bool bMultiLayerExtSpsFlag; #endif UInt uiCode; READ_CODE( 4, uiCode, "sps_video_parameter_set_id"); pcSPS->setVPSId ( uiCode ); #if SVC_EXTENSION if(pcSPS->getLayerId() == 0) { #endif READ_CODE( 3, uiCode, "sps_max_sub_layers_minus1" ); pcSPS->setMaxTLayers ( uiCode+1 ); assert(uiCode <= 6); #if SVC_EXTENSION } #if R0042_PROFILE_INDICATION else { READ_CODE( 3, uiCode, "sps_ext_or_max_sub_layers_minus1" ); uiTmp = uiCode; } #endif #if !SPS_DPB_PARAMS if(pcSPS->getLayerId() != 0) { pcSPS->setMaxTLayers ( parameterSetManager->getPrefetchedVPS(pcSPS->getVPSId())->getMaxTLayers() ); } #endif #endif #if SVC_EXTENSION #if R0042_PROFILE_INDICATION bMultiLayerExtSpsFlag = ( pcSPS->getLayerId() != 0 && uiTmp == 7 ); #endif #endif #if SVC_EXTENSION #if !R0042_PROFILE_INDICATION if(pcSPS->getLayerId() == 0) #else if(!bMultiLayerExtSpsFlag) #endif { #endif READ_FLAG( uiCode, "sps_temporal_id_nesting_flag" ); pcSPS->setTemporalIdNestingFlag ( uiCode > 0 ? true : false ); #if SVC_EXTENSION } #if !SPS_DPB_PARAMS else { pcSPS->setTemporalIdNestingFlag( parameterSetManager->getPrefetchedVPS(pcSPS->getVPSId())->getTemporalNestingFlag() ); } #endif #endif #if !Q0177_SPS_TEMP_NESTING_FIX //This part is not needed anymore as it is already covered by implementation in TDecTop::xActivateParameterSets() if ( pcSPS->getMaxTLayers() == 1 ) { // sps_temporal_id_nesting_flag must be 1 when sps_max_sub_layers_minus1 is 0 #if SVC_EXTENSION #if !SPS_DPB_PARAMS assert( pcSPS->getTemporalIdNestingFlag() == true ); #endif #else assert( uiCode == 1 ); #endif } #endif #ifdef SPS_PTL_FIX #if !R0042_PROFILE_INDICATION if ( pcSPS->getLayerId() == 0) #else if(!bMultiLayerExtSpsFlag) #endif { parsePTL(pcSPS->getPTL(), 1, pcSPS->getMaxTLayers() - 1); } #else parsePTL(pcSPS->getPTL(), 1, pcSPS->getMaxTLayers() - 1); #endif READ_UVLC( uiCode, "sps_seq_parameter_set_id" ); pcSPS->setSPSId( uiCode ); assert(uiCode <= 15); #if REPN_FORMAT_IN_VPS #if !R0042_PROFILE_INDICATION if( pcSPS->getLayerId() > 0 ) #else if( bMultiLayerExtSpsFlag) #endif { READ_FLAG( uiCode, "update_rep_format_flag" ); pcSPS->setUpdateRepFormatFlag( uiCode ? true : false ); #if R0042_PROFILE_INDICATION if( bMultiLayerExtSpsFlag && uiCode) { READ_CODE(8, uiCode, "sps_rep_format_idx"); pcSPS->setUpdateRepFormatIndex(uiCode); } #endif } else { #if REP_FORMAT_FIX pcSPS->setUpdateRepFormatFlag( false ); #else pcSPS->setUpdateRepFormatFlag( true ); #endif } #if R0042_PROFILE_INDICATION if( !bMultiLayerExtSpsFlag ) { #else #if O0096_REP_FORMAT_INDEX if( pcSPS->getLayerId() == 0 ) #else if( pcSPS->getLayerId() == 0 || pcSPS->getUpdateRepFormatFlag() ) #endif #endif { #endif #if AUXILIARY_PICTURES READ_UVLC( uiCode, "chroma_format_idc" ); pcSPS->setChromaFormatIdc( ChromaFormat(uiCode) ); #else READ_UVLC( uiCode, "chroma_format_idc" ); pcSPS->setChromaFormatIdc( uiCode ); #endif 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 REPN_FORMAT_IN_VPS } #if O0096_REP_FORMAT_INDEX #if !R0042_PROFILE_INDICATION else if ( pcSPS->getUpdateRepFormatFlag() ) { READ_CODE(8, uiCode, "update_rep_format_index"); pcSPS->setUpdateRepFormatIndex(uiCode); } #endif #endif #endif #if R0156_CONF_WINDOW_IN_REP_FORMAT #if REPN_FORMAT_IN_VPS #if !R0042_PROFILE_INDICATION #if O0096_REP_FORMAT_INDEX if( pcSPS->getLayerId() == 0 ) #else if( pcSPS->getLayerId() == 0 || pcSPS->getUpdateRepFormatFlag() ) #endif #endif { #endif #endif READ_FLAG( uiCode, "conformance_window_flag"); if (uiCode != 0) { Window &conf = pcSPS->getConformanceWindow(); #if REPN_FORMAT_IN_VPS 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 R0156_CONF_WINDOW_IN_REP_FORMAT #if REPN_FORMAT_IN_VPS } #endif #endif #if REPN_FORMAT_IN_VPS #if !R0042_PROFILE_INDICATION #if O0096_REP_FORMAT_INDEX if( pcSPS->getLayerId() == 0 ) #else if( pcSPS->getLayerId() == 0 || pcSPS->getUpdateRepFormatFlag() ) #endif #endif { #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 REPN_FORMAT_IN_VPS } #endif #if R0042_PROFILE_INDICATION } #endif READ_UVLC( uiCode, "log2_max_pic_order_cnt_lsb_minus4" ); pcSPS->setBitsForPOC( 4 + uiCode ); assert(uiCode <= 12); #if SPS_DPB_PARAMS #if !R0042_PROFILE_INDICATION if( pcSPS->getLayerId() == 0 ) { #else if( !bMultiLayerExtSpsFlag ) { #endif #endif UInt subLayerOrderingInfoPresentFlag; READ_FLAG(subLayerOrderingInfoPresentFlag, "sps_sub_layer_ordering_info_present_flag"); for(UInt i=0; i <= pcSPS->getMaxTLayers()-1; i++) { READ_UVLC ( uiCode, "sps_max_dec_pic_buffering_minus1[i]"); pcSPS->setMaxDecPicBuffering( uiCode + 1, i); READ_UVLC ( uiCode, "sps_num_reorder_pics[i]" ); pcSPS->setNumReorderPics(uiCode, i); READ_UVLC ( uiCode, "sps_max_latency_increase_plus1[i]"); pcSPS->setMaxLatencyIncrease( uiCode, i ); if (!subLayerOrderingInfoPresentFlag) { for (i++; i <= pcSPS->getMaxTLayers()-1; i++) { pcSPS->setMaxDecPicBuffering(pcSPS->getMaxDecPicBuffering(0), i); pcSPS->setNumReorderPics(pcSPS->getNumReorderPics(0), i); pcSPS->setMaxLatencyIncrease(pcSPS->getMaxLatencyIncrease(0), i); } break; } } #if SPS_DPB_PARAMS } #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 SCALINGLIST_INFERRING #if !R0042_PROFILE_INDICATION if( pcSPS->getLayerId() > 0 ) #else if( bMultiLayerExtSpsFlag ) #endif { READ_FLAG( uiCode, "sps_infer_scaling_list_flag" ); pcSPS->setInferScalingListFlag( uiCode ); } if( pcSPS->getInferScalingListFlag() ) { READ_UVLC( uiCode, "sps_scaling_list_ref_layer_id" ); pcSPS->setScalingListRefLayerId( uiCode ); // The value of pps_scaling_list_ref_layer_id shall be in the range of 0 to 62, inclusive assert( pcSPS->getScalingListRefLayerId() <= 62 ); pcSPS->setScalingListPresentFlag( false ); } else { #endif READ_FLAG( uiCode, "sps_scaling_list_data_present_flag" ); pcSPS->setScalingListPresentFlag ( uiCode ); if(pcSPS->getScalingListPresentFlag ()) { parseScalingList( pcSPS->getScalingList() ); } #if SCALINGLIST_INFERRING } #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 SVC_EXTENSION pcSPS->setExtensionFlag( uiCode ? true : false ); if( pcSPS->getExtensionFlag() ) { #if !R0042_PROFILE_INDICATION #if O0142_CONDITIONAL_SPS_EXTENSION UInt spsExtensionTypeFlag[8]; for (UInt i = 0; i < 8; i++) { READ_FLAG( spsExtensionTypeFlag[i], "sps_extension_type_flag" ); } if (spsExtensionTypeFlag[1]) { parseSPSExtension( pcSPS ); } if (spsExtensionTypeFlag[7]) { #else parseSPSExtension( pcSPS ); READ_FLAG( uiCode, "sps_extension2_flag"); if(uiCode) { #endif while ( xMoreRbspData() ) { READ_FLAG( uiCode, "sps_extension_data_flag"); } } } #else READ_FLAG( uiCode, "sps_range_extension_flag" ); assert(uiCode == 0); READ_FLAG( uiCode, "sps_multilayer_extension_flag" ); assert(uiCode == 1); READ_CODE(6, uiCode, "sps_extension_6bits"); assert(uiCode == 0); parseSPSExtension( pcSPS ); } #endif #else if (uiCode) { while ( xMoreRbspData() ) { READ_FLAG( uiCode, "sps_extension_data_flag"); } } #endif } #if SVC_EXTENSION Void TDecCavlc::parseSPSExtension( TComSPS* pcSPS ) { UInt uiCode; // more syntax elements to be parsed here READ_FLAG( uiCode, "inter_view_mv_vert_constraint_flag" ); // Vertical MV component restriction is not used in SHVC CTC assert( uiCode == 0 ); #if !MOVE_SCALED_OFFSET_TO_PPS if( pcSPS->getLayerId() > 0 ) { Int iCode; READ_UVLC( uiCode, "num_scaled_ref_layer_offsets" ); pcSPS->setNumScaledRefLayerOffsets(uiCode); for(Int i = 0; i < pcSPS->getNumScaledRefLayerOffsets(); i++) { Window& scaledWindow = pcSPS->getScaledRefLayerWindow(i); #if O0098_SCALED_REF_LAYER_ID READ_CODE( 6, uiCode, "scaled_ref_layer_id" ); pcSPS->setScaledRefLayerId( i, uiCode ); #endif READ_SVLC( iCode, "scaled_ref_layer_left_offset" ); scaledWindow.setWindowLeftOffset (iCode << 1); READ_SVLC( iCode, "scaled_ref_layer_top_offset" ); scaledWindow.setWindowTopOffset (iCode << 1); READ_SVLC( iCode, "scaled_ref_layer_right_offset" ); scaledWindow.setWindowRightOffset (iCode << 1); READ_SVLC( iCode, "scaled_ref_layer_bottom_offset" ); scaledWindow.setWindowBottomOffset(iCode << 1); #if P0312_VERT_PHASE_ADJ READ_FLAG( uiCode, "vert_phase_position_enable_flag" ); scaledWindow.setVertPhasePositionEnableFlag(uiCode); pcSPS->setVertPhasePositionEnableFlag( pcSPS->getScaledRefLayerId(i), uiCode); #endif } } #endif } #endif Void TDecCavlc::parseVPS(TComVPS* pcVPS) { UInt uiCode; READ_CODE( 4, uiCode, "vps_video_parameter_set_id" ); pcVPS->setVPSId( uiCode ); #if VPS_RESERVED_FLAGS READ_FLAG( uiCode, "vps_base_layer_internal_flag"); pcVPS->setBaseLayerInternalFlag( uiCode ? true : false ); READ_FLAG( uiCode, "vps_base_layer_available_flag"); pcVPS->setBaseLayerAvailableFlag( uiCode ? true : false ); #if VPS_AVC_BL_FLAG_REMOVAL pcVPS->setNonHEVCBaseLayerFlag( (pcVPS->getBaseLayerAvailableFlag() && !pcVPS->getBaseLayerInternalFlag()) ? true : false); #endif #else READ_CODE( 2, uiCode, "vps_reserved_three_2bits" ); assert(uiCode == 3); #endif #if SVC_EXTENSION #if O0137_MAX_LAYERID READ_CODE( 6, uiCode, "vps_max_layers_minus1" ); pcVPS->setMaxLayers( min( 62u, uiCode) + 1 ); #else READ_CODE( 6, uiCode, "vps_max_layers_minus1" ); pcVPS->setMaxLayers( uiCode + 1 ); #endif #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 ); assert(uiCode+1 <= MAX_TLAYER); READ_FLAG( uiCode, "vps_temporal_id_nesting_flag" ); pcVPS->setTemporalNestingFlag( uiCode ? true:false ); assert (pcVPS->getMaxTLayers()>1||pcVPS->getTemporalNestingFlag()); #if !P0125_REVERT_VPS_EXTN_OFFSET_TO_RESERVED #if VPS_EXTN_OFFSET READ_CODE( 16, uiCode, "vps_extension_offset" ); pcVPS->setExtensionOffset( uiCode ); #else READ_CODE( 16, uiCode, "vps_reserved_ffff_16bits" ); assert(uiCode == 0xffff); #endif #else READ_CODE( 16, uiCode, "vps_reserved_ffff_16bits" ); assert(uiCode == 0xffff); #endif 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; } } #if SVC_EXTENSION assert( pcVPS->getNumHrdParameters() < MAX_VPS_LAYER_SETS_PLUS1 ); assert( pcVPS->getMaxLayerId() < MAX_VPS_LAYER_ID_PLUS1 ); READ_CODE( 6, uiCode, "vps_max_layer_id" ); pcVPS->setMaxLayerId( uiCode ); #if Q0078_ADD_LAYER_SETS READ_UVLC(uiCode, "vps_num_layer_sets_minus1"); pcVPS->setVpsNumLayerSetsMinus1(uiCode); pcVPS->setNumLayerSets(pcVPS->getVpsNumLayerSetsMinus1() + 1); for (UInt opsIdx = 1; opsIdx <= pcVPS->getVpsNumLayerSetsMinus1(); opsIdx++) #else READ_UVLC( uiCode, "vps_num_layer_sets_minus1" ); pcVPS->setNumLayerSets( uiCode + 1 ); for( UInt opsIdx = 1; opsIdx <= ( pcVPS->getNumLayerSets() - 1 ); opsIdx ++ ) #endif { // Operation point set for( UInt i = 0; i <= pcVPS->getMaxLayerId(); i ++ ) #else assert( pcVPS->getNumHrdParameters() < MAX_VPS_OP_SETS_PLUS1 ); 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 DERIVE_LAYER_ID_LIST_VARIABLES pcVPS->deriveLayerIdListVariables(); #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 ); } else { pcVPS->setCprmsPresentFlag( true, i ); } parseHrdParameters(pcVPS->getHrdParameters(i), pcVPS->getCprmsPresentFlag( i ), pcVPS->getMaxTLayers() - 1); } } #if SVC_EXTENSION READ_FLAG( uiCode, "vps_extension_flag" ); pcVPS->setVpsExtensionFlag( uiCode ? true : false ); // When MaxLayersMinus1 is greater than 0, vps_extension_flag shall be equal to 1. if( pcVPS->getMaxLayers() > 1 ) { assert( pcVPS->getVpsExtensionFlag() == true ); } if( pcVPS->getVpsExtensionFlag() ) { while ( m_pcBitstream->getNumBitsRead() % 8 != 0 ) { READ_FLAG( uiCode, "vps_extension_alignment_bit_equal_to_one"); assert(uiCode == 1); } parseVPSExtension(pcVPS); READ_FLAG( uiCode, "vps_entension2_flag" ); if(uiCode) { while ( xMoreRbspData() ) { READ_FLAG( uiCode, "vps_extension_data_flag"); } } } else { // set default parameters when syntax elements are not present defaultVPSExtension(pcVPS); } #else READ_FLAG( uiCode, "vps_extension_flag" ); if (uiCode) { while ( xMoreRbspData() ) { READ_FLAG( uiCode, "vps_extension_data_flag"); } } #endif return; } #if SVC_EXTENSION Void TDecCavlc::parseVPSExtension(TComVPS *vps) { UInt uiCode; // ... More syntax elements to be parsed here #if P0300_ALT_OUTPUT_LAYER_FLAG Int NumOutputLayersInOutputLayerSet[MAX_VPS_LAYER_SETS_PLUS1]; Int OlsHighestOutputLayerId[MAX_VPS_LAYER_SETS_PLUS1]; #endif #if LIST_OF_PTL if( vps->getMaxLayers() > 1 && vps->getBaseLayerInternalFlag() ) { vps->setProfilePresentFlag(1, false); vps->getPTLForExtnPtr()->empty(); vps->getPTLForExtnPtr()->resize(2); vps->getPTLForExtn(1)->copyProfileInfo( vps->getPTL() ); parsePTL( vps->getPTLForExtn(1), vps->getProfilePresentFlag(1), vps->getMaxTLayers() - 1 ); } #endif #if VPS_EXTN_MASK_AND_DIM_INFO UInt numScalabilityTypes = 0, i = 0, j = 0; #if !VPS_AVC_BL_FLAG_REMOVAL READ_FLAG( uiCode, "avc_base_layer_flag" ); vps->setAvcBaseLayerFlag(uiCode ? true : false); #endif #if !P0307_REMOVE_VPS_VUI_OFFSET #if O0109_MOVE_VPS_VUI_FLAG READ_FLAG( uiCode, "vps_vui_present_flag"); vps->setVpsVuiPresentFlag(uiCode ? true : false); if ( uiCode ) { #endif #if VPS_VUI_OFFSET READ_CODE( 16, uiCode, "vps_vui_offset" ); vps->setVpsVuiOffset( uiCode ); #endif #if O0109_MOVE_VPS_VUI_FLAG } #endif #endif READ_FLAG( uiCode, "splitting_flag" ); vps->setSplittingFlag(uiCode ? true : false); for(i = 0; i < MAX_VPS_NUM_SCALABILITY_TYPES; i++) { READ_FLAG( uiCode, "scalability_mask[i]" ); vps->setScalabilityMask(i, uiCode ? true : false); numScalabilityTypes += uiCode; } vps->setNumScalabilityTypes(numScalabilityTypes); for(j = 0; j < numScalabilityTypes - vps->getSplittingFlag(); j++) { READ_CODE( 3, uiCode, "dimension_id_len_minus1[j]" ); vps->setDimensionIdLen(j, uiCode + 1); } // The value of dimBitOffset[ NumScalabilityTypes ] is set equal to 6. if(vps->getSplittingFlag()) { UInt numBits = 0; for(j = 0; j < numScalabilityTypes - 1; j++) { numBits += vps->getDimensionIdLen(j); } assert( numBits < 6 ); vps->setDimensionIdLen(numScalabilityTypes-1, 6 - numBits); numBits = 6; } READ_FLAG( uiCode, "vps_nuh_layer_id_present_flag" ); vps->setNuhLayerIdPresentFlag(uiCode ? true : false); vps->setLayerIdInNuh(0, 0); vps->setLayerIdInVps(0, 0); for(i = 1; i < vps->getMaxLayers(); i++) { if( vps->getNuhLayerIdPresentFlag() ) { READ_CODE( 6, uiCode, "layer_id_in_nuh[i]" ); vps->setLayerIdInNuh(i, uiCode); assert( uiCode > vps->getLayerIdInNuh(i-1) ); } else { vps->setLayerIdInNuh(i, i); } vps->setLayerIdInVps(vps->getLayerIdInNuh(i), i); if( !vps->getSplittingFlag() ) { for(j = 0; j < numScalabilityTypes; j++) { READ_CODE( vps->getDimensionIdLen(j), uiCode, "dimension_id[i][j]" ); vps->setDimensionId(i, j, uiCode); #if !AUXILIARY_PICTURES assert( uiCode <= vps->getMaxLayerId() ); #endif } } } #endif #if VIEW_ID_RELATED_SIGNALING // if ( pcVPS->getNumViews() > 1 ) // However, this is a bug in the text since, view_id_len_minus1 is needed to parse view_id_val. { #if O0109_VIEW_ID_LEN READ_CODE( 4, uiCode, "view_id_len" ); vps->setViewIdLen( uiCode ); #else READ_CODE( 4, uiCode, "view_id_len_minus1" ); vps->setViewIdLenMinus1( uiCode ); #endif } #if O0109_VIEW_ID_LEN if ( vps->getViewIdLen() > 0 ) { for( i = 0; i < vps->getNumViews(); i++ ) { READ_CODE( vps->getViewIdLen( ), uiCode, "view_id_val[i]" ); vps->setViewIdVal( i, uiCode ); } } #else for( i = 0; i < vps->getNumViews(); i++ ) { READ_CODE( vps->getViewIdLenMinus1( ) + 1, uiCode, "view_id_val[i]" ); vps->setViewIdVal( i, uiCode ); } #endif #endif // view id related signaling #if VPS_EXTN_DIRECT_REF_LAYERS // For layer 0 vps->setNumDirectRefLayers(0, 0); // For other layers for( Int layerCtr = 1; layerCtr <= vps->getMaxLayers() - 1; layerCtr++) { UInt numDirectRefLayers = 0; for( Int refLayerCtr = 0; refLayerCtr < layerCtr; refLayerCtr++) { READ_FLAG(uiCode, "direct_dependency_flag[i][j]" ); vps->setDirectDependencyFlag(layerCtr, refLayerCtr, uiCode? true : false); if(uiCode) { vps->setRefLayerId(layerCtr, numDirectRefLayers, refLayerCtr); numDirectRefLayers++; } } vps->setNumDirectRefLayers(layerCtr, numDirectRefLayers); } #endif #if Q0078_ADD_LAYER_SETS #if O0092_0094_DEPENDENCY_CONSTRAINT // Moved here vps->setNumRefLayers(); if (vps->getMaxLayers() > MAX_REF_LAYERS) { for (i = 1; i < vps->getMaxLayers(); i++) { assert(vps->getNumRefLayers(vps->getLayerIdInNuh(i)) <= MAX_REF_LAYERS); } } #endif vps->setPredictedLayerIds(); vps->setTreePartitionLayerIdList(); #endif #if MOVE_ADDN_LS_SIGNALLING #if Q0078_ADD_LAYER_SETS if (vps->getNumIndependentLayers() > 1) { READ_UVLC(uiCode, "num_add_layer_sets"); vps->setNumAddLayerSets(uiCode); for (i = 0; i < vps->getNumAddLayerSets(); i++) { for (j = 1; j < vps->getNumIndependentLayers(); j++) { int len = 1; while ((1 << len) < (vps->getNumLayersInTreePartition(j) + 1)) { len++; } READ_CODE(len, uiCode, "highest_layer_idx_plus1[i][j]"); vps->setHighestLayerIdxPlus1(i, j, uiCode); } } vps->setNumLayerSets(vps->getNumLayerSets() + vps->getNumAddLayerSets()); vps->setLayerIdIncludedFlagsForAddLayerSets(); } #endif #endif #if VPS_TSLAYERS READ_FLAG( uiCode, "vps_sub_layers_max_minus1_present_flag"); vps->setMaxTSLayersPresentFlag(uiCode ? true : false); if (vps->getMaxTSLayersPresentFlag()) { for(i = 0; i < vps->getMaxLayers(); i++) { READ_CODE( 3, uiCode, "sub_layers_vps_max_minus1[i]" ); vps->setMaxTSLayersMinus1(i, uiCode); } } else { for( i = 0; i < vps->getMaxLayers(); i++) { vps->setMaxTSLayersMinus1(i, vps->getMaxTLayers()-1); } } #endif READ_FLAG( uiCode, "max_tid_ref_present_flag"); vps->setMaxTidRefPresentFlag(uiCode ? true : false); if (vps->getMaxTidRefPresentFlag()) { for(i = 0; i < vps->getMaxLayers() - 1; i++) { #if O0225_MAX_TID_FOR_REF_LAYERS for( j = i+1; j <= vps->getMaxLayers() - 1; j++) { if(vps->getDirectDependencyFlag(j, i)) { READ_CODE( 3, uiCode, "max_tid_il_ref_pics_plus1[i][j]" ); vps->setMaxTidIlRefPicsPlus1(i, j, uiCode); } } #else READ_CODE( 3, uiCode, "max_tid_il_ref_pics_plus1[i]" ); vps->setMaxTidIlRefPicsPlus1(i, uiCode); assert( uiCode <= vps->getMaxTLayers()); #endif } } else { for(i = 0; i < vps->getMaxLayers() - 1; i++) { #if O0225_MAX_TID_FOR_REF_LAYERS for( j = i+1; j <= vps->getMaxLayers() - 1; j++) { vps->setMaxTidIlRefPicsPlus1(i, j, 7); } #else vps->setMaxTidIlRefPicsPlus1(i, 7); #endif } } READ_FLAG( uiCode, "all_ref_layers_active_flag" ); vps->setIlpSshSignalingEnabledFlag(uiCode ? true : false); #if VPS_EXTN_PROFILE_INFO // Profile-tier-level signalling #if !VPS_EXTN_UEV_CODING READ_CODE( 10, uiCode, "vps_number_layer_sets_minus1" ); assert( uiCode == (vps->getNumLayerSets() - 1) ); READ_CODE( 6, uiCode, "vps_num_profile_tier_level_minus1"); vps->setNumProfileTierLevel( uiCode + 1 ); #else READ_UVLC( uiCode, "vps_num_profile_tier_level_minus1"); vps->setNumProfileTierLevel( uiCode + 1 ); #endif #if PER_LAYER_PTL Int const numBitsForPtlIdx = vps->calculateLenOfSyntaxElement( vps->getNumProfileTierLevel() ); #endif vps->getPTLForExtnPtr()->resize(vps->getNumProfileTierLevel()); #if LIST_OF_PTL for(Int idx = vps->getBaseLayerInternalFlag() ? 2 : 1; idx <= vps->getNumProfileTierLevel() - 1; idx++) #else for(Int idx = 1; idx <= vps->getNumProfileTierLevel() - 1; idx++) #endif { READ_FLAG( uiCode, "vps_profile_present_flag[i]" ); vps->setProfilePresentFlag(idx, uiCode ? true : false); if( !vps->getProfilePresentFlag(idx) ) { #if P0048_REMOVE_PROFILE_REF // Copy profile information from previous one vps->getPTLForExtn(idx)->copyProfileInfo( (idx==1) ? vps->getPTL() : vps->getPTLForExtn( idx - 1 ) ); #else READ_CODE( 6, uiCode, "profile_ref_minus1[i]" ); vps->setProfileLayerSetRef(idx, uiCode + 1); #if O0109_PROF_REF_MINUS1 assert( vps->getProfileLayerSetRef(idx) <= idx ); #else assert( vps->getProfileLayerSetRef(idx) < idx ); #endif // Copy profile information as indicated vps->getPTLForExtn(idx)->copyProfileInfo( vps->getPTLForExtn( vps->getProfileLayerSetRef(idx) ) ); #endif } parsePTL( vps->getPTLForExtn(idx), vps->getProfilePresentFlag(idx), vps->getMaxTLayers() - 1 ); } #endif #if !MOVE_ADDN_LS_SIGNALLING #if Q0078_ADD_LAYER_SETS if (vps->getNumIndependentLayers() > 1) { READ_UVLC(uiCode, "num_add_layer_sets"); vps->setNumAddLayerSets(uiCode); for (i = 0; i < vps->getNumAddLayerSets(); i++) { for (j = 1; j < vps->getNumIndependentLayers(); j++) { int len = 1; while ((1 << len) < (vps->getNumLayersInTreePartition(j) + 1)) { len++; } READ_CODE(len, uiCode, "highest_layer_idx_plus1[i][j]"); vps->setHighestLayerIdxPlus1(i, j, uiCode); } } vps->setNumLayerSets(vps->getNumLayerSets() + vps->getNumAddLayerSets()); vps->setLayerIdIncludedFlagsForAddLayerSets(); } #endif #endif #if !VPS_EXTN_UEV_CODING READ_FLAG( uiCode, "more_output_layer_sets_than_default_flag" ); vps->setMoreOutputLayerSetsThanDefaultFlag( uiCode ? true : false ); Int numOutputLayerSets = 0; if(! vps->getMoreOutputLayerSetsThanDefaultFlag() ) { numOutputLayerSets = vps->getNumLayerSets(); } else { READ_CODE( 10, uiCode, "num_add_output_layer_sets" ); vps->setNumAddOutputLayerSets( uiCode ); numOutputLayerSets = vps->getNumLayerSets() + vps->getNumAddOutputLayerSets(); } #else #if Q0165_NUM_ADD_OUTPUT_LAYER_SETS if( vps->getNumLayerSets() > 1 ) { READ_UVLC( uiCode, "num_add_olss" ); vps->setNumAddOutputLayerSets( uiCode ); READ_CODE( 2, uiCode, "default_output_layer_idc" ); vps->setDefaultTargetOutputLayerIdc( uiCode ); } else { vps->setNumAddOutputLayerSets( 0 ); } #else READ_UVLC( uiCode, "num_add_output_layer_sets" ); vps->setNumAddOutputLayerSets( uiCode ); #endif // The value of num_add_olss shall be in the range of 0 to 1023, inclusive. assert( vps->getNumAddOutputLayerSets() >= 0 && vps->getNumAddOutputLayerSets() < 1024 ); Int numOutputLayerSets = vps->getNumLayerSets() + vps->getNumAddOutputLayerSets(); #endif #if P0295_DEFAULT_OUT_LAYER_IDC #if !Q0165_NUM_ADD_OUTPUT_LAYER_SETS if( numOutputLayerSets > 1 ) { READ_CODE( 2, uiCode, "default_target_output_layer_idc" ); vps->setDefaultTargetOutputLayerIdc( uiCode ); } #endif vps->setNumOutputLayerSets( numOutputLayerSets ); #if NECESSARY_LAYER_FLAG // Default output layer set vps->setOutputLayerSetIdx(0, 0); vps->setOutputLayerFlag(0, 0, true); vps->deriveNecessaryLayerFlag(0); #if PER_LAYER_PTL vps->getProfileLevelTierIdx()->resize(numOutputLayerSets); vps->getProfileLevelTierIdx(0)->push_back( vps->getBaseLayerInternalFlag() && vps->getMaxLayers() > 1 ? 1 : 0); #endif #endif for(i = 1; i < numOutputLayerSets; i++) { if( i > (vps->getNumLayerSets() - 1) ) { Int numBits = 1; while ((1 << numBits) < (vps->getNumLayerSets() - 1)) { numBits++; } READ_CODE( numBits, uiCode, "layer_set_idx_for_ols_minus1"); vps->setOutputLayerSetIdx( i, uiCode + 1); } else { vps->setOutputLayerSetIdx( i, i ); } Int layerSetIdxForOutputLayerSet = vps->getOutputLayerSetIdx(i); #if Q0078_ADD_LAYER_SETS if ( i > vps->getVpsNumLayerSetsMinus1() || vps->getDefaultTargetOutputLayerIdc() >= 2 ) #else if ( i > (vps->getNumLayerSets() - 1) || vps->getDefaultTargetOutputLayerIdc() >= 2 ) #endif { #if NUM_OL_FLAGS for(j = 0; j < vps->getNumLayersInIdList(layerSetIdxForOutputLayerSet); j++) #else for(j = 0; j < vps->getNumLayersInIdList(lsIdx) - 1; j++) #endif { READ_FLAG( uiCode, "output_layer_flag[i][j]"); vps->setOutputLayerFlag(i, j, uiCode); } } else { // i <= (vps->getNumLayerSets() - 1) // Assign OutputLayerFlag depending on default_one_target_output_layer_flag if( vps->getDefaultTargetOutputLayerIdc() == 1 ) { for(j = 0; j < vps->getNumLayersInIdList(layerSetIdxForOutputLayerSet); j++) { #if DEF_OPT_LAYER_IDC vps->setOutputLayerFlag(i, j, (j == (vps->getNumLayersInIdList(layerSetIdxForOutputLayerSet)-1)) ); #else vps->setOutputLayerFlag(i, j, (j == (vps->getNumLayersInIdList(layerSetIdxForOutputLayerSet)-1)) && (vps->getDimensionId(j,1) == 0) ); #endif } } else if ( vps->getDefaultTargetOutputLayerIdc() == 0 ) { for(j = 0; j < vps->getNumLayersInIdList(layerSetIdxForOutputLayerSet); j++) { vps->setOutputLayerFlag(i, j, 1); } } } #if NECESSARY_LAYER_FLAG vps->deriveNecessaryLayerFlag(i); #endif #if PER_LAYER_PTL vps->getProfileLevelTierIdx(i)->assign(vps->getNumLayersInIdList(layerSetIdxForOutputLayerSet), -1); for(j = 0; j < vps->getNumLayersInIdList(layerSetIdxForOutputLayerSet) ; j++) { if( vps->getNecessaryLayerFlag(i, j) ) { READ_CODE( numBitsForPtlIdx, uiCode, "profile_level_tier_idx[i]" ); vps->setProfileLevelTierIdx(i, j, uiCode ); } } #else Int numBits = 1; while ((1 << numBits) < (vps->getNumProfileTierLevel())) { numBits++; } READ_CODE( numBits, uiCode, "profile_level_tier_idx[i]" ); vps->setProfileLevelTierIdx(i, uiCode); #endif #if P0300_ALT_OUTPUT_LAYER_FLAG NumOutputLayersInOutputLayerSet[i] = 0; for (j = 0; j < vps->getNumLayersInIdList(layerSetIdxForOutputLayerSet); j++) { NumOutputLayersInOutputLayerSet[i] += vps->getOutputLayerFlag(i, j); if (vps->getOutputLayerFlag(i, j)) { OlsHighestOutputLayerId[i] = vps->getLayerSetLayerIdList(layerSetIdxForOutputLayerSet, j); } } if (NumOutputLayersInOutputLayerSet[i] == 1 && vps->getNumDirectRefLayers(OlsHighestOutputLayerId[i]) > 0) { READ_FLAG(uiCode, "alt_output_layer_flag[i]"); vps->setAltOuputLayerFlag(i, uiCode ? true : false); } #if ALT_OPT_LAYER_FLAG else { uiCode=0; vps->setAltOuputLayerFlag(i, uiCode ? true : false); } #endif #if Q0165_OUTPUT_LAYER_SET assert( NumOutputLayersInOutputLayerSet[i]>0 ); #endif #endif } #if NECESSARY_LAYER_FLAG vps->checkNecessaryLayerFlagCondition(); #endif #else if( numOutputLayerSets > 1 ) { #if O0109_DEFAULT_ONE_OUT_LAYER_IDC READ_CODE( 2, uiCode, "default_one_target_output_layer_idc" ); vps->setDefaultOneTargetOutputLayerIdc( uiCode ); #else READ_FLAG( uiCode, "default_one_target_output_layer_flag" ); vps->setDefaultOneTargetOutputLayerFlag( uiCode ? true : false ); #endif } vps->setNumOutputLayerSets( numOutputLayerSets ); for(i = 1; i < numOutputLayerSets; i++) { if( i > (vps->getNumLayerSets() - 1) ) { Int numBits = 1; while ((1 << numBits) < (vps->getNumLayerSets() - 1)) { numBits++; } READ_CODE( numBits, uiCode, "output_layer_set_idx_minus1"); vps->setOutputLayerSetIdx( i, uiCode + 1); Int lsIdx = vps->getOutputLayerSetIdx(i); #if NUM_OL_FLAGS for(j = 0; j < vps->getNumLayersInIdList(lsIdx) ; j++) #else for(j = 0; j < vps->getNumLayersInIdList(lsIdx) - 1; j++) #endif { READ_FLAG( uiCode, "output_layer_flag[i][j]"); vps->setOutputLayerFlag(i, j, uiCode); } } else { #if VPS_DPB_SIZE_TABLE vps->setOutputLayerSetIdx( i, i ); #endif // i <= (vps->getNumLayerSets() - 1) // Assign OutputLayerFlag depending on default_one_target_output_layer_flag Int lsIdx = i; #if O0109_DEFAULT_ONE_OUT_LAYER_IDC if( vps->getDefaultOneTargetOutputLayerIdc() == 1 ) { for(j = 0; j < vps->getNumLayersInIdList(lsIdx); j++) { #if O0135_DEFAULT_ONE_OUT_SEMANTIC #if DEF_OPT_LAYER_IDC vps->setOutputLayerFlag(i, j, (j == (vps->getNumLayersInIdList(lsIdx)-1)) ); #else vps->setOutputLayerFlag(i, j, (j == (vps->getNumLayersInIdList(lsIdx)-1)) && (vps->getDimensionId(j,1)==0) ); #endif #else vps->setOutputLayerFlag(i, j, (j == (vps->getNumLayersInIdList(lsIdx)-1))); #endif } } else if ( vps->getDefaultOneTargetOutputLayerIdc() == 0 ) { for(j = 0; j < vps->getNumLayersInIdList(lsIdx); j++) { vps->setOutputLayerFlag(i, j, 1); } } else { // Other values of default_one_target_output_layer_idc than 0 and 1 are reserved for future use. } #else if( vps->getDefaultOneTargetOutputLayerFlag() ) { for(j = 0; j < vps->getNumLayersInIdList(lsIdx); j++) { vps->setOutputLayerFlag(i, j, (j == (vps->getNumLayersInIdList(lsIdx)-1))); } } else { for(j = 0; j < vps->getNumLayersInIdList(lsIdx); j++) { vps->setOutputLayerFlag(i, j, 1); } } #endif } Int numBits = 1; while ((1 << numBits) < (vps->getNumProfileTierLevel())) { numBits++; } READ_CODE( numBits, uiCode, "profile_level_tier_idx[i]" ); vps->setProfileLevelTierIdx(i, uiCode); } #endif #if !P0300_ALT_OUTPUT_LAYER_FLAG #if O0153_ALT_OUTPUT_LAYER_FLAG if( vps->getMaxLayers() > 1 ) { READ_FLAG( uiCode, "alt_output_layer_flag"); vps->setAltOuputLayerFlag( uiCode ? true : false ); } #endif #endif #if REPN_FORMAT_IN_VPS #if Q0195_REP_FORMAT_CLEANUP READ_UVLC( uiCode, "vps_num_rep_formats_minus1" ); vps->setVpsNumRepFormats( uiCode + 1 ); // The value of vps_num_rep_formats_minus1 shall be in the range of 0 to 255, inclusive. assert( vps->getVpsNumRepFormats() > 0 && vps->getVpsNumRepFormats() <= 256 ); for(i = 0; i < vps->getVpsNumRepFormats(); i++) { // Read rep_format_structures parseRepFormat( vps->getVpsRepFormat(i), i > 0 ? vps->getVpsRepFormat(i-1) : 0 ); } // Default assignment for layer 0 vps->setVpsRepFormatIdx( 0, 0 ); if( vps->getVpsNumRepFormats() > 1 ) { READ_FLAG( uiCode, "rep_format_idx_present_flag"); vps->setRepFormatIdxPresentFlag( uiCode ? true : false ); } else { // When not present, the value of rep_format_idx_present_flag is inferred to be equal to 0 vps->setRepFormatIdxPresentFlag( false ); } if( vps->getRepFormatIdxPresentFlag() ) { for(i = 1; i < vps->getMaxLayers(); i++) { Int numBits = 1; while ((1 << numBits) < (vps->getVpsNumRepFormats())) { numBits++; } READ_CODE( numBits, uiCode, "vps_rep_format_idx[i]" ); vps->setVpsRepFormatIdx( i, uiCode ); } } else { // When not present, the value of vps_rep_format_idx[ i ] is inferred to be equal to Min (i, vps_num_rep_formats_minus1) for(i = 1; i < vps->getMaxLayers(); i++) { vps->setVpsRepFormatIdx( i, min( (Int)i, vps->getVpsNumRepFormats()-1 ) ); } } #else READ_FLAG( uiCode, "rep_format_idx_present_flag"); vps->setRepFormatIdxPresentFlag( uiCode ? true : false ); if( vps->getRepFormatIdxPresentFlag() ) { #if O0096_REP_FORMAT_INDEX #if !VPS_EXTN_UEV_CODING READ_CODE( 8, uiCode, "vps_num_rep_formats_minus1" ); #else READ_UVLC( uiCode, "vps_num_rep_formats_minus1" ); #endif #else READ_CODE( 4, uiCode, "vps_num_rep_formats_minus1" ); #endif vps->setVpsNumRepFormats( uiCode + 1 ); } else { // default assignment assert (vps->getMaxLayers() <= 16); // If max_layers_is more than 15, num_rep_formats has to be signaled vps->setVpsNumRepFormats( vps->getMaxLayers() ); } // The value of vps_num_rep_formats_minus1 shall be in the range of 0 to 255, inclusive. assert( vps->getVpsNumRepFormats() > 0 && vps->getVpsNumRepFormats() <= 256 ); for(i = 0; i < vps->getVpsNumRepFormats(); i++) { // Read rep_format_structures parseRepFormat( vps->getVpsRepFormat(i), i > 0 ? vps->getVpsRepFormat(i-1) : 0 ); } // Default assignment for layer 0 vps->setVpsRepFormatIdx( 0, 0 ); if( vps->getRepFormatIdxPresentFlag() ) { for(i = 1; i < vps->getMaxLayers(); i++) { if( vps->getVpsNumRepFormats() > 1 ) { #if O0096_REP_FORMAT_INDEX #if !VPS_EXTN_UEV_CODING READ_CODE( 8, uiCode, "vps_rep_format_idx[i]" ); #else Int numBits = 1; while ((1 << numBits) < (vps->getVpsNumRepFormats())) { numBits++; } READ_CODE( numBits, uiCode, "vps_rep_format_idx[i]" ); #endif #else READ_CODE( 4, uiCode, "vps_rep_format_idx[i]" ); #endif vps->setVpsRepFormatIdx( i, uiCode ); } else { // default assignment - only one rep_format() structure vps->setVpsRepFormatIdx( i, 0 ); } } } else { // default assignment - each layer assigned each rep_format() structure in the order signaled for(i = 1; i < vps->getMaxLayers(); i++) { vps->setVpsRepFormatIdx( i, i ); } } #endif #endif #if RESOLUTION_BASED_DPB vps->assignSubDpbIndices(); #endif READ_FLAG(uiCode, "max_one_active_ref_layer_flag" ); vps->setMaxOneActiveRefLayerFlag(uiCode); #if P0297_VPS_POC_LSB_ALIGNED_FLAG READ_FLAG(uiCode, "vps_poc_lsb_aligned_flag"); vps->setVpsPocLsbAlignedFlag(uiCode); #endif #if O0062_POC_LSB_NOT_PRESENT_FLAG for(i = 1; i< vps->getMaxLayers(); i++) { if( vps->getNumDirectRefLayers( vps->getLayerIdInNuh(i) ) == 0 ) { READ_FLAG(uiCode, "poc_lsb_not_present_flag[i]"); vps->setPocLsbNotPresentFlag(i, uiCode); } } #endif #if O0215_PHASE_ALIGNMENT READ_FLAG( uiCode, "cross_layer_phase_alignment_flag"); vps->setPhaseAlignFlag( uiCode == 1 ? true : false ); #endif #if !IRAP_ALIGN_FLAG_IN_VPS_VUI READ_FLAG(uiCode, "cross_layer_irap_aligned_flag" ); vps->setCrossLayerIrapAlignFlag(uiCode); #endif #if VPS_DPB_SIZE_TABLE parseVpsDpbSizeTable(vps); #endif #if VPS_EXTN_DIRECT_REF_LAYERS READ_UVLC( uiCode, "direct_dep_type_len_minus2"); vps->setDirectDepTypeLen(uiCode+2); #if O0096_DEFAULT_DEPENDENCY_TYPE READ_FLAG(uiCode, "default_direct_dependency_type_flag"); vps->setDefaultDirectDependecyTypeFlag(uiCode == 1? true : false); if (vps->getDefaultDirectDependencyTypeFlag()) { READ_CODE( vps->getDirectDepTypeLen(), uiCode, "default_direct_dependency_type" ); vps->setDefaultDirectDependecyType(uiCode); } #endif for(i = 1; i < vps->getMaxLayers(); i++) { for(j = 0; j < i; j++) { if (vps->getDirectDependencyFlag(i, j)) { #if O0096_DEFAULT_DEPENDENCY_TYPE if (vps->getDefaultDirectDependencyTypeFlag()) { vps->setDirectDependencyType(i, j, vps->getDefaultDirectDependencyType()); } else { READ_CODE( vps->getDirectDepTypeLen(), uiCode, "direct_dependency_type[i][j]" ); vps->setDirectDependencyType(i, j, uiCode); } #else READ_CODE( vps->getDirectDepTypeLen(), uiCode, "direct_dependency_type[i][j]" ); vps->setDirectDependencyType(i, j, uiCode); #endif } } } #endif #if !Q0078_ADD_LAYER_SETS #if O0092_0094_DEPENDENCY_CONSTRAINT // Moved up vps->setNumRefLayers(); if(vps->getMaxLayers() > MAX_REF_LAYERS) { for(i = 1;i < vps->getMaxLayers(); i++) { assert( vps->getNumRefLayers(vps->getLayerIdInNuh(i)) <= MAX_REF_LAYERS); } } #endif #endif #if P0307_VPS_NON_VUI_EXTENSION READ_UVLC( uiCode, "vps_non_vui_extension_length"); vps->setVpsNonVuiExtLength((Int)uiCode); // The value of vps_non_vui_extension_length shall be in the range of 0 to 4096, inclusive. assert( vps->getVpsNonVuiExtLength() >= 0 && vps->getVpsNonVuiExtLength() <= 4096 ); #if P0307_VPS_NON_VUI_EXT_UPDATE Int nonVuiExtByte = uiCode; for (i = 1; i <= nonVuiExtByte; i++) { READ_CODE( 8, uiCode, "vps_non_vui_extension_data_byte" ); //just parse and discard for now. } #else if ( vps->getVpsNonVuiExtLength() > 0 ) { printf("\n\nUp to the current spec, the value of vps_non_vui_extension_length is supposed to be 0\n"); } #endif #endif #if !O0109_O0199_FLAGS_TO_VUI #if M0040_ADAPTIVE_RESOLUTION_CHANGE READ_FLAG(uiCode, "single_layer_for_non_irap_flag" ); vps->setSingleLayerForNonIrapFlag(uiCode == 1 ? true : false); #endif #if HIGHER_LAYER_IRAP_SKIP_FLAG READ_FLAG(uiCode, "higher_layer_irap_skip_flag" ); vps->setHigherLayerIrapSkipFlag(uiCode == 1 ? true : false); #endif #endif #if P0307_REMOVE_VPS_VUI_OFFSET READ_FLAG( uiCode, "vps_vui_present_flag"); vps->setVpsVuiPresentFlag(uiCode ? true : false); #endif #if O0109_MOVE_VPS_VUI_FLAG if ( vps->getVpsVuiPresentFlag() ) #else READ_FLAG( uiCode, "vps_vui_present_flag" ); if (uiCode) #endif { while ( m_pcBitstream->getNumBitsRead() % 8 != 0 ) { READ_FLAG( uiCode, "vps_vui_alignment_bit_equal_to_one"); assert(uiCode == 1); } parseVPSVUI(vps); } else { // set default values for VPS VUI defaultVPSVUI( vps ); } } Void TDecCavlc::defaultVPSExtension( TComVPS* vps ) { // set default parameters when they are not present Int i, j; // When layer_id_in_nuh[ i ] is not present, the value is inferred to be equal to i. for(i = 0; i < vps->getMaxLayers(); i++) { vps->setLayerIdInNuh(i, i); vps->setLayerIdInVps(vps->getLayerIdInNuh(i), i); } // When not present, sub_layers_vps_max_minus1[ i ] is inferred to be equal to vps_max_sub_layers_minus1. for( i = 0; i < vps->getMaxLayers(); i++) { vps->setMaxTSLayersMinus1(i, vps->getMaxTLayers()-1); } // When not present, max_tid_il_ref_pics_plus1[ i ][ j ] is inferred to be equal to 7. for( i = 0; i < vps->getMaxLayers() - 1; i++ ) { #if O0225_MAX_TID_FOR_REF_LAYERS for( j = i + 1; j < vps->getMaxLayers(); j++ ) { vps->setMaxTidIlRefPicsPlus1(i, j, 7); } #else vps->setMaxTidIlRefPicsPlus1(i, 7); #endif } // When not present, the value of num_add_olss is inferred to be equal to 0. // NumOutputLayerSets = num_add_olss + NumLayerSets vps->setNumOutputLayerSets( vps->getNumLayerSets() ); // For i in the range of 0 to NumOutputLayerSets-1, inclusive, the variable LayerSetIdxForOutputLayerSet[ i ] is derived as specified in the following: // LayerSetIdxForOutputLayerSet[ i ] = ( i <= vps_number_layer_sets_minus1 ) ? i : layer_set_idx_for_ols_minus1[ i ] + 1 for( i = 1; i < vps->getNumOutputLayerSets(); i++ ) { vps->setOutputLayerSetIdx( i, i ); Int lsIdx = vps->getOutputLayerSetIdx(i); for( j = 0; j < vps->getNumLayersInIdList(lsIdx); j++ ) { vps->setOutputLayerFlag(i, j, 1); } } // The value of sub_layer_dpb_info_present_flag[ i ][ 0 ] for any possible value of i is inferred to be equal to 1 // When not present, the value of sub_layer_dpb_info_present_flag[ i ][ j ] for j greater than 0 and any possible value of i, is inferred to be equal to be equal to 0. for( i = 1; i < vps->getNumOutputLayerSets(); i++ ) { vps->setSubLayerDpbInfoPresentFlag( i, 0, true ); } // When not present, the value of vps_num_rep_formats_minus1 is inferred to be equal to MaxLayersMinus1. vps->setVpsNumRepFormats( vps->getMaxLayers() ); // When not present, the value of rep_format_idx_present_flag is inferred to be equal to 0 vps->setRepFormatIdxPresentFlag( false ); if( !vps->getRepFormatIdxPresentFlag() ) { // When not present, the value of vps_rep_format_idx[ i ] is inferred to be equal to Min(i, vps_num_rep_formats_minus1). for(i = 1; i < vps->getMaxLayers(); i++) { vps->setVpsRepFormatIdx( i, min( (Int)i, vps->getVpsNumRepFormats() - 1 ) ); } } #if P0297_VPS_POC_LSB_ALIGNED_FLAG vps->setVpsPocLsbAlignedFlag(false); #endif #if O0062_POC_LSB_NOT_PRESENT_FLAG // When not present, poc_lsb_not_present_flag[ i ] is inferred to be equal to 0. for(i = 1; i< vps->getMaxLayers(); i++) { vps->setPocLsbNotPresentFlag(i, 0); } #endif // set default values for VPS VUI defaultVPSVUI( vps ); } Void TDecCavlc::defaultVPSVUI( TComVPS* vps ) { // When not present, the value of all_layers_idr_aligned_flag is inferred to be equal to 0. vps->setCrossLayerIrapAlignFlag( false ); #if M0040_ADAPTIVE_RESOLUTION_CHANGE // When single_layer_for_non_irap_flag is not present, it is inferred to be equal to 0. vps->setSingleLayerForNonIrapFlag( false ); #endif #if HIGHER_LAYER_IRAP_SKIP_FLAG // When higher_layer_irap_skip_flag is not present it is inferred to be equal to 0 vps->setHigherLayerIrapSkipFlag( false ); #endif } #if REPN_FORMAT_IN_VPS Void TDecCavlc::parseRepFormat( RepFormat *repFormat, RepFormat *repFormatPrev ) { UInt uiCode; #if REPN_FORMAT_CONTROL_FLAG READ_CODE( 16, uiCode, "pic_width_vps_in_luma_samples" ); repFormat->setPicWidthVpsInLumaSamples ( uiCode ); READ_CODE( 16, uiCode, "pic_height_vps_in_luma_samples" ); repFormat->setPicHeightVpsInLumaSamples( uiCode ); READ_FLAG( uiCode, "chroma_and_bit_depth_vps_present_flag" ); repFormat->setChromaAndBitDepthVpsPresentFlag( uiCode ? true : false ); if( !repFormatPrev ) { // The value of chroma_and_bit_depth_vps_present_flag of the first rep_format( ) syntax structure in the VPS shall be equal to 1 assert( repFormat->getChromaAndBitDepthVpsPresentFlag() ); } if( repFormat->getChromaAndBitDepthVpsPresentFlag() ) { READ_CODE( 2, uiCode, "chroma_format_vps_idc" ); #if AUXILIARY_PICTURES repFormat->setChromaFormatVpsIdc( ChromaFormat(uiCode) ); #else repFormat->setChromaFormatVpsIdc( uiCode ); #endif if( repFormat->getChromaFormatVpsIdc() == 3 ) { READ_FLAG( uiCode, "separate_colour_plane_vps_flag" ); repFormat->setSeparateColourPlaneVpsFlag( uiCode ? true : false ); } READ_CODE( 4, uiCode, "bit_depth_vps_luma_minus8" ); repFormat->setBitDepthVpsLuma ( uiCode + 8 ); READ_CODE( 4, uiCode, "bit_depth_vps_chroma_minus8" ); repFormat->setBitDepthVpsChroma( uiCode + 8 ); } else if( repFormatPrev ) { // chroma_and_bit_depth_vps_present_flag equal to 0 specifies that the syntax elements, chroma_format_vps_idc, separate_colour_plane_vps_flag, bit_depth_vps_luma_minus8, and // bit_depth_vps_chroma_minus8 are not present and inferred from the previous rep_format( ) syntax structure in the VPS. repFormat->setChromaFormatVpsIdc ( repFormatPrev->getChromaFormatVpsIdc() ); repFormat->setSeparateColourPlaneVpsFlag( repFormatPrev->getSeparateColourPlaneVpsFlag() ); repFormat->setBitDepthVpsLuma ( repFormatPrev->getBitDepthVpsLuma() ); repFormat->setBitDepthVpsChroma ( repFormatPrev->getBitDepthVpsChroma() ); } #else #if AUXILIARY_PICTURES READ_CODE( 2, uiCode, "chroma_format_idc" ); repFormat->setChromaFormatVpsIdc( ChromaFormat(uiCode) ); #else READ_CODE( 2, uiCode, "chroma_format_idc" ); repFormat->setChromaFormatVpsIdc( uiCode ); #endif if( repFormat->getChromaFormatVpsIdc() == 3 ) { READ_FLAG( uiCode, "separate_colour_plane_flag"); repFormat->setSeparateColourPlaneVpsFlag(uiCode ? true : false); } READ_CODE ( 16, uiCode, "pic_width_in_luma_samples" ); repFormat->setPicWidthVpsInLumaSamples ( uiCode ); READ_CODE ( 16, uiCode, "pic_height_in_luma_samples" ); repFormat->setPicHeightVpsInLumaSamples( uiCode ); READ_CODE( 4, uiCode, "bit_depth_luma_minus8" ); repFormat->setBitDepthVpsLuma ( uiCode + 8 ); READ_CODE( 4, uiCode, "bit_depth_chroma_minus8" ); repFormat->setBitDepthVpsChroma( uiCode + 8 ); #endif #if R0156_CONF_WINDOW_IN_REP_FORMAT READ_FLAG( uiCode, "conformance_window_vps_flag" ); if( uiCode != 0) { Window &conf = repFormat->getConformanceWindowVps(); READ_UVLC( uiCode, "conf_win_vps_left_offset" ); conf.setWindowLeftOffset ( uiCode ); READ_UVLC( uiCode, "conf_win_vps_right_offset" ); conf.setWindowRightOffset ( uiCode ); READ_UVLC( uiCode, "conf_win_vps_top_offset" ); conf.setWindowTopOffset ( uiCode ); READ_UVLC( uiCode, "conf_win_vps_bottom_offset" ); conf.setWindowBottomOffset( uiCode ); } #endif } #endif #if VPS_DPB_SIZE_TABLE Void TDecCavlc::parseVpsDpbSizeTable( TComVPS *vps ) { UInt uiCode; #if SUB_LAYERS_IN_LAYER_SET vps->calculateMaxSLInLayerSets(); #else #if DPB_PARAMS_MAXTLAYERS #if BITRATE_PICRATE_SIGNALLING Int * MaxSubLayersInLayerSetMinus1 = new Int[vps->getNumLayerSets()]; for(Int i = 0; i < vps->getNumLayerSets(); i++) #else Int * MaxSubLayersInLayerSetMinus1 = new Int[vps->getNumOutputLayerSets()]; for(Int i = 1; i < vps->getNumOutputLayerSets(); i++) #endif { UInt maxSLMinus1 = 0; #if CHANGE_NUMSUBDPB_IDX Int optLsIdx = vps->getOutputLayerSetIdx( i ); #else Int optLsIdx = i; #endif #if BITRATE_PICRATE_SIGNALLING optLsIdx = i; #endif for(Int k = 0; k < vps->getNumLayersInIdList(optLsIdx); k++ ) { Int lId = vps->getLayerSetLayerIdList(optLsIdx, k); maxSLMinus1 = max(maxSLMinus1, vps->getMaxTSLayersMinus1(vps->getLayerIdInVps(lId))); } MaxSubLayersInLayerSetMinus1[ i ] = maxSLMinus1; #if BITRATE_PICRATE_SIGNALLING vps->setMaxSLayersInLayerSetMinus1(i,MaxSubLayersInLayerSetMinus1[ i ]); #endif } #endif #endif #if !RESOLUTION_BASED_DPB vps->deriveNumberOfSubDpbs(); #endif for(Int i = 1; i < vps->getNumOutputLayerSets(); i++) { #if CHANGE_NUMSUBDPB_IDX Int layerSetIdxForOutputLayerSet = vps->getOutputLayerSetIdx( i ); #endif READ_FLAG( uiCode, "sub_layer_flag_info_present_flag[i]"); vps->setSubLayerFlagInfoPresentFlag( i, uiCode ? true : false ); #if SUB_LAYERS_IN_LAYER_SET for(Int j = 0; j <= vps->getMaxSLayersInLayerSetMinus1( layerSetIdxForOutputLayerSet ); j++) #else #if DPB_PARAMS_MAXTLAYERS #if BITRATE_PICRATE_SIGNALLING for(Int j = 0; j <= MaxSubLayersInLayerSetMinus1[ vps->getOutputLayerSetIdx( i ) ]; j++) #else for(Int j = 0; j <= MaxSubLayersInLayerSetMinus1[ i ]; j++) #endif #else for(Int j = 0; j <= vps->getMaxTLayers(); j++) #endif #endif { if( j > 0 && vps->getSubLayerFlagInfoPresentFlag(i) ) { READ_FLAG( uiCode, "sub_layer_dpb_info_present_flag[i]"); vps->setSubLayerDpbInfoPresentFlag( i, j, uiCode ? true : false); } else { if( j == 0 ) // Always signal for the first sub-layer { vps->setSubLayerDpbInfoPresentFlag( i, j, true ); } else // if (j != 0) && !vps->getSubLayerFlagInfoPresentFlag(i) { vps->setSubLayerDpbInfoPresentFlag( i, j, false ); } } if( vps->getSubLayerDpbInfoPresentFlag(i, j) ) // If sub-layer DPB information is present { #if CHANGE_NUMSUBDPB_IDX for(Int k = 0; k < vps->getNumSubDpbs(layerSetIdxForOutputLayerSet); k++) #else for(Int k = 0; k < vps->getNumSubDpbs(i); k++) #endif { #if DPB_INTERNAL_BL_SIG uiCode=0; if(vps->getBaseLayerInternalFlag() || ( vps->getLayerSetLayerIdList(layerSetIdxForOutputLayerSet, k) != 0 ) ) #endif READ_UVLC( uiCode, "max_vps_dec_pic_buffering_minus1[i][k][j]" ); vps->setMaxVpsDecPicBufferingMinus1( i, k, j, uiCode ); } READ_UVLC( uiCode, "max_vps_num_reorder_pics[i][j]" ); vps->setMaxVpsNumReorderPics( i, j, uiCode); #if RESOLUTION_BASED_DPB if( vps->getNumSubDpbs(layerSetIdxForOutputLayerSet) != vps->getNumLayersInIdList( layerSetIdxForOutputLayerSet ) ) { for(Int k = 0; k < vps->getNumLayersInIdList( layerSetIdxForOutputLayerSet ); k++) { READ_UVLC( uiCode, "max_vps_layer_dec_pic_buff_minus1[i][k][j]" ); vps->setMaxVpsLayerDecPicBuffMinus1( i, k, j, uiCode); } } else // vps->getNumSubDpbs(layerSetIdxForOutputLayerSet) == vps->getNumLayersInIdList( layerSetIdxForOutputLayerSet ) { for(Int k = 0; k < vps->getNumLayersInIdList( layerSetIdxForOutputLayerSet ); k++) { vps->setMaxVpsLayerDecPicBuffMinus1( i, k, j, vps->getMaxVpsDecPicBufferingMinus1( i, k, j)); } } #endif READ_UVLC( uiCode, "max_vps_latency_increase_plus1[i][j]" ); vps->setMaxVpsLatencyIncreasePlus1( i, j, uiCode); } } for(Int j = vps->getMaxTLayers(); j < MAX_TLAYER; j++) { vps->setSubLayerDpbInfoPresentFlag( i, j, false ); } } #if !SUB_LAYERS_IN_LAYER_SET #if BITRATE_PICRATE_SIGNALLING if( MaxSubLayersInLayerSetMinus1 ) { delete [] MaxSubLayersInLayerSetMinus1; } #endif #endif // Infer values when not signalled for(Int i = 1; i < vps->getNumOutputLayerSets(); i++) { Int layerSetIdxForOutputLayerSet = vps->getOutputLayerSetIdx( i ); for(Int j = 0; j < MAX_TLAYER; j++) { if( !vps->getSubLayerDpbInfoPresentFlag(i, j) ) // If sub-layer DPB information is NOT present { #if RESOLUTION_BASED_DPB for(Int k = 0; k < vps->getNumSubDpbs(layerSetIdxForOutputLayerSet); k++) #else for(Int k = 0; k < vps->getNumLayersInIdList( layerSetIdxForOutputLayerSet ); k++) #endif { vps->setMaxVpsDecPicBufferingMinus1( i, k, j, vps->getMaxVpsDecPicBufferingMinus1( i, k, j - 1 ) ); } vps->setMaxVpsNumReorderPics( i, j, vps->getMaxVpsNumReorderPics( i, j - 1) ); #if RESOLUTION_BASED_DPB for(Int k = 0; k < vps->getNumLayersInIdList( layerSetIdxForOutputLayerSet ); k++) { vps->setMaxVpsLayerDecPicBuffMinus1( i, k, j, vps->getMaxVpsLayerDecPicBuffMinus1( i, k, j - 1)); } #endif vps->setMaxVpsLatencyIncreasePlus1( i, j, vps->getMaxVpsLatencyIncreasePlus1( i, j - 1 ) ); } } } } #endif Void TDecCavlc::parseVPSVUI(TComVPS *vps) { UInt i,j; UInt uiCode; #if O0223_PICTURE_TYPES_ALIGN_FLAG READ_FLAG(uiCode, "cross_layer_pic_type_aligned_flag" ); vps->setCrossLayerPictureTypeAlignFlag(uiCode); if (!uiCode) { #endif #if IRAP_ALIGN_FLAG_IN_VPS_VUI READ_FLAG(uiCode, "cross_layer_irap_aligned_flag" ); vps->setCrossLayerIrapAlignFlag(uiCode); #if P0068_CROSS_LAYER_ALIGNED_IDR_ONLY_FOR_IRAP_FLAG if( uiCode ) { READ_FLAG( uiCode, "all_layers_idr_aligned_flag" ); vps->setCrossLayerAlignedIdrOnlyFlag(uiCode); } #endif #endif #if O0223_PICTURE_TYPES_ALIGN_FLAG } else { vps->setCrossLayerIrapAlignFlag(true); } #endif READ_FLAG( uiCode, "bit_rate_present_vps_flag" ); vps->setBitRatePresentVpsFlag( uiCode ? true : false ); READ_FLAG( uiCode, "pic_rate_present_vps_flag" ); vps->setPicRatePresentVpsFlag( uiCode ? true : false ); #if SIGNALLING_BITRATE_PICRATE_FIX if ( vps->getBitRatePresentVpsFlag() || vps->getPicRatePresentVpsFlag() ) { for( i = vps->getBaseLayerInternalFlag() ? 0 : 1; i < vps->getNumLayerSets(); i++ ) { for( j = 0; j <= vps->getMaxSLayersInLayerSetMinus1( i ); j++ ) { if( vps->getBitRatePresentVpsFlag() ) { READ_FLAG( uiCode, "bit_rate_present_flag[i][j]" ); vps->setBitRatePresentFlag( i, j, uiCode ? true : false ); } if( vps->getPicRatePresentVpsFlag( ) ) { READ_FLAG( uiCode, "pic_rate_present_flag[i][j]" ); vps->setPicRatePresentFlag( i, j, uiCode ? true : false ); } if( vps->getBitRatePresentFlag( i, j ) ) { READ_CODE( 16, uiCode, "avg_bit_rate" ); vps->setAvgBitRate( i, j, uiCode ); READ_CODE( 16, uiCode, "max_bit_rate" ); vps->setMaxBitRate( i, j, uiCode ); } else { vps->setAvgBitRate( i, j, 0 ); vps->setMaxBitRate( i, j, 0 ); } if( vps->getPicRatePresentFlag( i, j ) ) { READ_CODE( 2, uiCode, "constant_pic_rate_idc" ); vps->setConstPicRateIdc( i, j, uiCode ); READ_CODE( 16, uiCode, "avg_pic_rate" ); vps->setAvgPicRate( i, j, uiCode ); } else { vps->setConstPicRateIdc( i, j, 0 ); vps->setAvgPicRate( i, j, 0 ); } } } } #else Bool parseFlag = vps->getBitRatePresentVpsFlag() || vps->getPicRatePresentVpsFlag(); #if Q0078_ADD_LAYER_SETS #if R0227_BR_PR_ADD_LAYER_SET for( i = 0; i < vps->getNumLayerSets(); i++ ) #else for( i = 0; i <= vps->getVpsNumLayerSetsMinus1(); i++ ) #endif #else for( i = 0; i < vps->getNumLayerSets(); i++ ) #endif { #if BITRATE_PICRATE_SIGNALLING for( j = 0; j <= vps->getMaxSLayersInLayerSetMinus1(i); j++ ) #else for( j = 0; j < vps->getMaxTLayers(); j++ ) #endif { if( parseFlag && vps->getBitRatePresentVpsFlag() ) { READ_FLAG( uiCode, "bit_rate_present_flag[i][j]" ); vps->setBitRatePresentFlag( i, j, uiCode ? true : false ); } else { vps->setBitRatePresentFlag( i, j, false ); } if( parseFlag && vps->getPicRatePresentVpsFlag() ) { READ_FLAG( uiCode, "pic_rate_present_flag[i][j]" ); vps->setPicRatePresentFlag( i, j, uiCode ? true : false ); } else { vps->setPicRatePresentFlag( i, j, false ); } if( parseFlag && vps->getBitRatePresentFlag(i, j) ) { READ_CODE( 16, uiCode, "avg_bit_rate[i][j]" ); vps->setAvgBitRate( i, j, uiCode ); READ_CODE( 16, uiCode, "max_bit_rate[i][j]" ); vps->setMaxBitRate( i, j, uiCode ); } else { vps->setAvgBitRate( i, j, 0 ); vps->setMaxBitRate( i, j, 0 ); } if( parseFlag && vps->getPicRatePresentFlag(i, j) ) { READ_CODE( 2 , uiCode, "constant_pic_rate_idc[i][j]" ); vps->setConstPicRateIdc( i, j, uiCode ); READ_CODE( 16, uiCode, "avg_pic_rate[i][j]" ); vps->setAvgPicRate( i, j, uiCode ); } else { vps->setConstPicRateIdc( i, j, 0 ); vps->setAvgPicRate ( i, j, 0 ); } } } #endif #if VPS_VUI_VIDEO_SIGNAL_MOVE READ_FLAG( uiCode, "video_signal_info_idx_present_flag" ); vps->setVideoSigPresentVpsFlag( uiCode == 1 ); if (vps->getVideoSigPresentVpsFlag()) { READ_CODE(4, uiCode, "vps_num_video_signal_info_minus1" ); vps->setNumVideoSignalInfo(uiCode + 1); } else { #if VPS_VUI_VST_PARAMS vps->setNumVideoSignalInfo(vps->getMaxLayers() - vps->getBaseLayerInternalFlag() ? 0 : 1); #else vps->setNumVideoSignalInfo(vps->getMaxLayers()); #endif } for(i = 0; i < vps->getNumVideoSignalInfo(); i++) { READ_CODE(3, uiCode, "video_vps_format" ); vps->setVideoVPSFormat(i,uiCode); READ_FLAG(uiCode, "video_full_range_vps_flag" ); vps->setVideoFullRangeVpsFlag(i,uiCode); READ_CODE(8, uiCode, "color_primaries_vps" ); vps->setColorPrimaries(i,uiCode); READ_CODE(8, uiCode, "transfer_characteristics_vps" ); vps->setTransCharacter(i,uiCode); READ_CODE(8, uiCode, "matrix_coeffs_vps" );vps->setMaxtrixCoeff(i,uiCode); } #if VPS_VUI_VST_PARAMS if( vps->getVideoSigPresentVpsFlag() && vps->getNumVideoSignalInfo() > 1 ) { for(i = vps->getBaseLayerInternalFlag() ? 0 : 1; i < vps->getMaxLayers(); i++) { READ_CODE(4, uiCode, "vps_video_signal_info_idx" ); vps->setVideoSignalInfoIdx(i, uiCode); } } else if ( !vps->getVideoSigPresentVpsFlag() ) { for(i = vps->getBaseLayerInternalFlag() ? 0 : 1; i < vps->getMaxLayers(); i++) { vps->setVideoSignalInfoIdx( i, i ); } } else // ( vps->getNumVideoSignalInfo() = 0 ) { for(i = vps->getBaseLayerInternalFlag() ? 0 : 1; i < vps->getMaxLayers(); i++) { vps->setVideoSignalInfoIdx( i, 0 ); } } #else if(!vps->getVideoSigPresentVpsFlag()) { for (i=0; i < vps->getMaxLayers(); i++) { vps->setVideoSignalInfoIdx(i,i); } } else { vps->setVideoSignalInfoIdx(0,0); if (vps->getNumVideoSignalInfo() > 1 ) { for (i=1; i < vps->getMaxLayers(); i++) READ_CODE(4, uiCode, "vps_video_signal_info_idx" ); vps->setVideoSignalInfoIdx(i, uiCode); } else { for (i=1; i < vps->getMaxLayers(); i++) { vps->setVideoSignalInfoIdx(i,0); } } } #endif #endif #if VPS_VUI_TILES_NOT_IN_USE__FLAG UInt layerIdx; READ_FLAG( uiCode, "tiles_not_in_use_flag" ); vps->setTilesNotInUseFlag(uiCode == 1); if (!uiCode) { for(i = 0; i < vps->getMaxLayers(); i++) { READ_FLAG( uiCode, "tiles_in_use_flag[ i ]" ); vps->setTilesInUseFlag(i, (uiCode == 1)); if (uiCode) { READ_FLAG( uiCode, "loop_filter_not_across_tiles_flag[ i ]" ); vps->setLoopFilterNotAcrossTilesFlag(i, (uiCode == 1)); } else { vps->setLoopFilterNotAcrossTilesFlag(i, false); } } #endif for(i = 1; i < vps->getMaxLayers(); i++) { for(j = 0; j < vps->getNumDirectRefLayers(vps->getLayerIdInNuh(i)); j++) { #if VPS_VUI_TILES_NOT_IN_USE__FLAG layerIdx = vps->getLayerIdInVps(vps->getRefLayerId(vps->getLayerIdInNuh(i), j)); if (vps->getTilesInUseFlag(i) && vps->getTilesInUseFlag(layerIdx)) { READ_FLAG( uiCode, "tile_boundaries_aligned_flag[i][j]" ); vps->setTileBoundariesAlignedFlag(i,j,(uiCode == 1)); } #else READ_FLAG( uiCode, "tile_boundaries_aligned_flag[i][j]" ); vps->setTileBoundariesAlignedFlag(i,j,(uiCode == 1)); #endif } } #if VPS_VUI_TILES_NOT_IN_USE__FLAG } #endif #if VPS_VUI_WPP_NOT_IN_USE__FLAG READ_FLAG( uiCode, "wpp_not_in_use_flag" ); vps->setWppNotInUseFlag(uiCode == 1); if (!uiCode) { for(i = 0; i < vps->getMaxLayers(); i++) { READ_FLAG( uiCode, "wpp_in_use_flag[ i ]" ); vps->setWppInUseFlag(i, (uiCode == 1)); } } #endif #if O0109_O0199_FLAGS_TO_VUI #if M0040_ADAPTIVE_RESOLUTION_CHANGE READ_FLAG(uiCode, "single_layer_for_non_irap_flag" ); vps->setSingleLayerForNonIrapFlag(uiCode == 1 ? true : false); #endif #if HIGHER_LAYER_IRAP_SKIP_FLAG READ_FLAG(uiCode, "higher_layer_irap_skip_flag" ); vps->setHigherLayerIrapSkipFlag(uiCode == 1 ? true : false); // When single_layer_for_non_irap_flag is equal to 0, higher_layer_irap_skip_flag shall be equal to 0 if( !vps->getSingleLayerForNonIrapFlag() ) { assert( !vps->getHigherLayerIrapSkipFlag() ); } #endif #endif #if P0312_VERT_PHASE_ADJ READ_FLAG( uiCode, "vps_vui_vert_phase_in_use_flag" ); vps->setVpsVuiVertPhaseInUseFlag(uiCode); #endif #if N0160_VUI_EXT_ILP_REF READ_FLAG( uiCode, "ilp_restricted_ref_layers_flag" ); vps->setIlpRestrictedRefLayersFlag( uiCode == 1 ); if( vps->getIlpRestrictedRefLayersFlag()) { for(i = 1; i < vps->getMaxLayers(); i++) { for(j = 0; j < vps->getNumDirectRefLayers(vps->getLayerIdInNuh(i)); j++) { READ_UVLC( uiCode, "min_spatial_segment_offset_plus1[i][j]" ); vps->setMinSpatialSegmentOffsetPlus1( i, j, uiCode ); if( vps->getMinSpatialSegmentOffsetPlus1(i,j ) > 0 ) { READ_FLAG( uiCode, "ctu_based_offset_enabled_flag[i][j]"); vps->setCtuBasedOffsetEnabledFlag(i, j, uiCode == 1 ); if(vps->getCtuBasedOffsetEnabledFlag(i,j)) { READ_UVLC( uiCode, "min_horizontal_ctu_offset_plus1[i][j]"); vps->setMinHorizontalCtuOffsetPlus1( i,j, uiCode ); } } } } } #endif #if VPS_VUI_VIDEO_SIGNAL #if VPS_VUI_VIDEO_SIGNAL_MOVE #else READ_FLAG( uiCode, "video_signal_info_idx_present_flag" ); vps->setVideoSigPresentVpsFlag( uiCode == 1 ); if (vps->getVideoSigPresentVpsFlag()) { READ_CODE(4, uiCode, "vps_num_video_signal_info_minus1" ); vps->setNumVideoSignalInfo(uiCode + 1); } else { vps->setNumVideoSignalInfo(vps->getMaxLayers()); } for(i = 0; i < vps->getNumVideoSignalInfo(); i++) { READ_CODE(3, uiCode, "video_vps_format" ); vps->setVideoVPSFormat(i,uiCode); READ_FLAG(uiCode, "video_full_range_vps_flag" ); vps->setVideoFullRangeVpsFlag(i,uiCode); READ_CODE(8, uiCode, "color_primaries_vps" ); vps->setColorPrimaries(i,uiCode); READ_CODE(8, uiCode, "transfer_characteristics_vps" ); vps->setTransCharacter(i,uiCode); READ_CODE(8, uiCode, "matrix_coeffs_vps" );vps->setMaxtrixCoeff(i,uiCode); } if(!vps->getVideoSigPresentVpsFlag()) { for (i=0; i < vps->getMaxLayers(); i++) { vps->setVideoSignalInfoIdx(i,i); } } else { vps->setVideoSignalInfoIdx(0,0); if (vps->getNumVideoSignalInfo() > 1 ) { for (i=1; i < vps->getMaxLayers(); i++) READ_CODE(4, uiCode, "vps_video_signal_info_idx" ); vps->setVideoSignalInfoIdx(i, uiCode); } else { for (i=1; i < vps->getMaxLayers(); i++) { vps->setVideoSignalInfoIdx(i,0); } } } #endif #endif #if O0164_MULTI_LAYER_HRD READ_FLAG(uiCode, "vps_vui_bsp_hrd_present_flag" ); vps->setVpsVuiBspHrdPresentFlag(uiCode); if (vps->getVpsVuiBspHrdPresentFlag()) { #if VPS_VUI_BSP_HRD_PARAMS parseVpsVuiBspHrdParams(vps); #else #if R0227_VUI_BSP_HRD_FLAG assert (vps->getTimingInfo()->getTimingInfoPresentFlag() == 1); #endif READ_UVLC( uiCode, "vps_num_bsp_hrd_parameters_minus1" ); vps->setVpsNumBspHrdParametersMinus1(uiCode); vps->createBspHrdParamBuffer(vps->getVpsNumBspHrdParametersMinus1() + 1); for( i = 0; i <= vps->getVpsNumBspHrdParametersMinus1(); i++ ) { if( i > 0 ) { READ_FLAG( uiCode, "bsp_cprms_present_flag[i]" ); vps->setBspCprmsPresentFlag(i, uiCode); } parseHrdParameters(vps->getBspHrd(i), i==0 ? 1 : vps->getBspCprmsPresentFlag(i), vps->getMaxTLayers()-1); } #if Q0078_ADD_LAYER_SETS for (UInt h = 1; h <= vps->getVpsNumLayerSetsMinus1(); h++) #else for( UInt h = 1; h <= (vps->getNumLayerSets()-1); h++ ) #endif { READ_UVLC( uiCode, "num_bitstream_partitions[i]"); vps->setNumBitstreamPartitions(h, uiCode); #if HRD_BPB Int chkPart=0; #endif for( i = 0; i < vps->getNumBitstreamPartitions(h); i++ ) { for( j = 0; j <= (vps->getMaxLayers()-1); j++ ) { if( vps->getLayerIdIncludedFlag(h, j) ) { READ_FLAG( uiCode, "layer_in_bsp_flag[h][i][j]" ); vps->setLayerInBspFlag(h, i, j, uiCode); } } #if HRD_BPB chkPart+=vps->getLayerInBspFlag(h, i, j); #endif } #if HRD_BPB assert(chkPart<=1); #endif #if HRD_BPB if(vps->getNumBitstreamPartitions(h)==1) { Int chkPartition1=0; Int chkPartition2=0; for( j = 0; j <= (vps->getMaxLayers()-1); j++ ) { if( vps->getLayerIdIncludedFlag(h, j) ) { chkPartition1+=vps->getLayerInBspFlag(h, 0, j); chkPartition2++; } } assert(chkPartition1!=chkPartition2); } #endif if (vps->getNumBitstreamPartitions(h)) { #if Q0182_MULTI_LAYER_HRD_UPDATE READ_UVLC( uiCode, "num_bsp_sched_combinations_minus1[h]"); vps->setNumBspSchedCombinations(h, uiCode + 1); #else READ_UVLC( uiCode, "num_bsp_sched_combinations[h]"); vps->setNumBspSchedCombinations(h, uiCode); #endif for( i = 0; i < vps->getNumBspSchedCombinations(h); i++ ) { for( j = 0; j < vps->getNumBitstreamPartitions(h); j++ ) { READ_UVLC( uiCode, "bsp_comb_hrd_idx[h][i][j]"); vps->setBspCombHrdIdx(h, i, j, uiCode); #if HRD_BPB assert(uiCode <= vps->getVpsNumBspHrdParametersMinus1()); #endif READ_UVLC( uiCode, "bsp_comb_sched_idx[h][i][j]"); vps->setBspCombSchedIdx(h, i, j, uiCode); #if HRD_BPB assert(uiCode <= vps->getBspHrdParamBufferCpbCntMinus1(uiCode,vps->getMaxTLayers()-1)); #endif } } } } #endif } #endif #if P0182_VPS_VUI_PS_FLAG for(i = 1; i < vps->getMaxLayers(); i++) { if (vps->getNumRefLayers(vps->getLayerIdInNuh(i)) == 0) { READ_FLAG( uiCode, "base_layer_parameter_set_compatibility_flag" ); vps->setBaseLayerPSCompatibilityFlag( i, uiCode ); } else { vps->setBaseLayerPSCompatibilityFlag( i, 0 ); } } #endif } #endif //SVC_EXTENSION Void TDecCavlc::parseSliceHeader (TComSlice*& rpcSlice, ParameterSetManagerDecoder *parameterSetManager) { UInt uiCode; Int iCode; #if ENC_DEC_TRACE xTraceSliceHeader(rpcSlice); #endif TComPPS* pps = NULL; TComSPS* sps = NULL; UInt firstSliceSegmentInPic; READ_FLAG( firstSliceSegmentInPic, "first_slice_segment_in_pic_flag" ); if( rpcSlice->getRapPicFlag()) { READ_FLAG( uiCode, "no_output_of_prior_pics_flag" ); //ignored -- updated already #if SETTING_NO_OUT_PIC_PRIOR rpcSlice->setNoOutputPriorPicsFlag(uiCode ? true : false); #else rpcSlice->setNoOutputPicPrior( false ); #endif } 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); rpcSlice->setSPS(sps); rpcSlice->setPPS(pps); #if R0227_REP_FORMAT_CONSTRAINT //Conformance checking for rep format -- rep format of current picture of current layer shall never be greater rep format defined in VPS for the current layer TComVPS* vps = NULL; vps = parameterSetManager->getPrefetchedVPS(sps->getVPSId()); #if R0279_REP_FORMAT_INBL if ( vps->getVpsExtensionFlag() == 1 && (rpcSlice->getLayerId() == 0 || sps->getV1CompatibleSPSFlag() == 1) ) { assert( sps->getPicWidthInLumaSamples() <= vps->getVpsRepFormat( vps->getVpsRepFormatIdx(rpcSlice->getLayerId()) )->getPicWidthVpsInLumaSamples() ); assert( sps->getPicHeightInLumaSamples() <= vps->getVpsRepFormat( vps->getVpsRepFormatIdx(rpcSlice->getLayerId()) )->getPicHeightVpsInLumaSamples() ); assert( sps->getChromaFormatIdc() <= vps->getVpsRepFormat( vps->getVpsRepFormatIdx(rpcSlice->getLayerId()) )->getChromaFormatVpsIdc() ); assert( sps->getBitDepthY() <= vps->getVpsRepFormat( vps->getVpsRepFormatIdx(rpcSlice->getLayerId()) )->getBitDepthVpsLuma() ); assert( sps->getBitDepthC() <= vps->getVpsRepFormat( vps->getVpsRepFormatIdx(rpcSlice->getLayerId()) )->getBitDepthVpsChroma() ); #else if ( rpcSlice->getLayerId() == 0 && vps->getVpsExtensionFlag() == 1 ) { assert( sps->getPicWidthInLumaSamples() <= vps->getVpsRepFormat( vps->getVpsRepFormatIdx(0) )->getPicWidthVpsInLumaSamples() ); assert( sps->getPicHeightInLumaSamples() <= vps->getVpsRepFormat( vps->getVpsRepFormatIdx(0) )->getPicHeightVpsInLumaSamples() ); assert( sps->getChromaFormatIdc() <= vps->getVpsRepFormat( vps->getVpsRepFormatIdx(0) )->getChromaFormatVpsIdc() ); assert( sps->getBitDepthY() <= vps->getVpsRepFormat( vps->getVpsRepFormatIdx(0) )->getBitDepthVpsLuma() ); assert( sps->getBitDepthC() <= vps->getVpsRepFormat( vps->getVpsRepFormatIdx(0) )->getBitDepthVpsChroma() ); #endif } else if ( vps->getVpsExtensionFlag() == 1 ) { assert(vps->getVpsRepFormat( vps->getVpsRepFormatIdx(sps->getUpdateRepFormatFlag() ? sps->getUpdateRepFormatIndex() : rpcSlice->getLayerId()))->getPicWidthVpsInLumaSamples() <= vps->getVpsRepFormat( vps->getVpsRepFormatIdx(rpcSlice->getLayerId()))->getPicWidthVpsInLumaSamples()); assert(vps->getVpsRepFormat( vps->getVpsRepFormatIdx(sps->getUpdateRepFormatFlag() ? sps->getUpdateRepFormatIndex() : rpcSlice->getLayerId()))->getPicHeightVpsInLumaSamples() <= vps->getVpsRepFormat( vps->getVpsRepFormatIdx(rpcSlice->getLayerId()))->getPicHeightVpsInLumaSamples()); assert(vps->getVpsRepFormat( vps->getVpsRepFormatIdx(sps->getUpdateRepFormatFlag() ? sps->getUpdateRepFormatIndex() : rpcSlice->getLayerId()))->getChromaFormatVpsIdc() <= vps->getVpsRepFormat( vps->getVpsRepFormatIdx(rpcSlice->getLayerId()))->getChromaFormatVpsIdc()); assert(vps->getVpsRepFormat( vps->getVpsRepFormatIdx(sps->getUpdateRepFormatFlag() ? sps->getUpdateRepFormatIndex() : rpcSlice->getLayerId()))->getBitDepthVpsLuma() <= vps->getVpsRepFormat( vps->getVpsRepFormatIdx(rpcSlice->getLayerId()))->getBitDepthVpsLuma()); assert(vps->getVpsRepFormat( vps->getVpsRepFormatIdx(sps->getUpdateRepFormatFlag() ? sps->getUpdateRepFormatIndex() : rpcSlice->getLayerId()))->getBitDepthVpsChroma() <= vps->getVpsRepFormat( vps->getVpsRepFormatIdx(rpcSlice->getLayerId()))->getBitDepthVpsChroma()); } #endif if( pps->getDependentSliceSegmentsEnabledFlag() && ( !firstSliceSegmentInPic )) { READ_FLAG( uiCode, "dependent_slice_segment_flag" ); rpcSlice->setDependentSliceSegmentFlag(uiCode ? true : false); } else { rpcSlice->setDependentSliceSegmentFlag(false); } #if REPN_FORMAT_IN_VPS Int numCTUs = ((rpcSlice->getPicWidthInLumaSamples()+sps->getMaxCUWidth()-1)/sps->getMaxCUWidth())*((rpcSlice->getPicHeightInLumaSamples()+sps->getMaxCUHeight()-1)/sps->getMaxCUHeight()); #else Int numCTUs = ((sps->getPicWidthInLumaSamples()+sps->getMaxCUWidth()-1)/sps->getMaxCUWidth())*((sps->getPicHeightInLumaSamples()+sps->getMaxCUHeight()-1)/sps->getMaxCUHeight()); #endif 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 Q0142_POC_LSB_NOT_PRESENT #if SHM_FIX7 Int iPOClsb = 0; #endif #endif if(!rpcSlice->getDependentSliceSegmentFlag()) { #if SVC_EXTENSION #if POC_RESET_FLAG Int iBits = 0; if(rpcSlice->getPPS()->getNumExtraSliceHeaderBits() > iBits) { READ_FLAG(uiCode, "poc_reset_flag"); rpcSlice->setPocResetFlag( uiCode ? true : false ); iBits++; } if(rpcSlice->getPPS()->getNumExtraSliceHeaderBits() > iBits) { #if DISCARDABLE_PIC_RPS READ_FLAG(uiCode, "discardable_flag"); rpcSlice->setDiscardableFlag( uiCode ? true : false ); #else READ_FLAG(uiCode, "discardable_flag"); // ignored #endif iBits++; } #if O0149_CROSS_LAYER_BLA_FLAG if(rpcSlice->getPPS()->getNumExtraSliceHeaderBits() > iBits) { READ_FLAG(uiCode, "cross_layer_bla_flag"); rpcSlice->setCrossLayerBLAFlag( uiCode ? true : false ); iBits++; } #endif for (; iBits < rpcSlice->getPPS()->getNumExtraSliceHeaderBits(); iBits++) { READ_FLAG(uiCode, "slice_reserved_undetermined_flag[]"); // ignored } #else #if CROSS_LAYER_BLA_FLAG_FIX Int iBits = 0; if(rpcSlice->getPPS()->getNumExtraSliceHeaderBits() > iBits) #else if(rpcSlice->getPPS()->getNumExtraSliceHeaderBits()>0) #endif { READ_FLAG(uiCode, "discardable_flag"); // ignored #if NON_REF_NAL_TYPE_DISCARDABLE rpcSlice->setDiscardableFlag( uiCode ? true : false ); if (uiCode) { assert(rpcSlice->getNalUnitType() != NAL_UNIT_CODED_SLICE_TRAIL_R && rpcSlice->getNalUnitType() != NAL_UNIT_CODED_SLICE_TSA_R && rpcSlice->getNalUnitType() != NAL_UNIT_CODED_SLICE_STSA_R && rpcSlice->getNalUnitType() != NAL_UNIT_CODED_SLICE_RADL_R && rpcSlice->getNalUnitType() != NAL_UNIT_CODED_SLICE_RASL_R); } #endif #if CROSS_LAYER_BLA_FLAG_FIX iBits++; #endif } #if CROSS_LAYER_BLA_FLAG_FIX if(rpcSlice->getPPS()->getNumExtraSliceHeaderBits() > iBits) { READ_FLAG(uiCode, "cross_layer_bla_flag"); rpcSlice->setCrossLayerBLAFlag( uiCode ? true : false ); iBits++; } for ( ; iBits < rpcSlice->getPPS()->getNumExtraSliceHeaderBits(); iBits++) #else for (Int i = 1; i < rpcSlice->getPPS()->getNumExtraSliceHeaderBits(); i++) #endif { READ_FLAG(uiCode, "slice_reserved_undetermined_flag[]"); // ignored } #endif #else //SVC_EXTENSION for (Int i = 0; i < rpcSlice->getPPS()->getNumExtraSliceHeaderBits(); i++) { READ_FLAG(uiCode, "slice_reserved_undetermined_flag[]"); // ignored } #endif //SVC_EXTENSION 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( rpcSlice->getIdrPicFlag() ) { rpcSlice->setPOC(0); TComReferencePictureSet* rps = rpcSlice->getLocalRPS(); rps->setNumberOfNegativePictures(0); rps->setNumberOfPositivePictures(0); rps->setNumberOfLongtermPictures(0); rps->setNumberOfPictures(0); rpcSlice->setRPS(rps); } #if N0065_LAYER_POC_ALIGNMENT #if !Q0142_POC_LSB_NOT_PRESENT #if SHM_FIX7 Int iPOClsb = 0; #endif #endif #if O0062_POC_LSB_NOT_PRESENT_FLAG if( ( rpcSlice->getLayerId() > 0 && !rpcSlice->getVPS()->getPocLsbNotPresentFlag( rpcSlice->getVPS()->getLayerIdInVps(rpcSlice->getLayerId())) ) || !rpcSlice->getIdrPicFlag()) #else if( rpcSlice->getLayerId() > 0 || !rpcSlice->getIdrPicFlag() ) #endif #else else #endif { READ_CODE(sps->getBitsForPOC(), uiCode, "pic_order_cnt_lsb"); #if POC_RESET_IDC_DECODER rpcSlice->setPicOrderCntLsb( uiCode ); #endif #if SHM_FIX7 iPOClsb = uiCode; #else Int iPOClsb = uiCode; #endif 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); #if N0065_LAYER_POC_ALIGNMENT #if SHM_FIX7 } #endif #if POC_RESET_IDC_DECODER else { rpcSlice->setPicOrderCntLsb( 0 ); } #endif if( !rpcSlice->getIdrPicFlag() ) { #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 DPB_CONSTRAINTS if(rpcSlice->getVPS()->getVpsExtensionFlag()==1) { #if Q0078_ADD_LAYER_SETS for (Int ii = 1; ii < (rpcSlice->getVPS()->getVpsNumLayerSetsMinus1() + 1); ii++) // prevent assert error when num_add_layer_sets > 0 #else for (Int ii=1; ii< rpcSlice->getVPS()->getNumOutputLayerSets(); ii++ ) #endif { Int layerSetIdxForOutputLayerSet = rpcSlice->getVPS()->getOutputLayerSetIdx( ii ); Int chkAssert=0; for(Int kk = 0; kk < rpcSlice->getVPS()->getNumLayersInIdList(layerSetIdxForOutputLayerSet); kk++) { if(rpcSlice->getLayerId()==rpcSlice->getVPS()->getLayerSetLayerIdList(layerSetIdxForOutputLayerSet, kk)) { chkAssert=1; } } if(chkAssert) { // There may be something wrong here (layer id assumed to be layer idx?) assert(rps->getNumberOfNegativePictures() <= rpcSlice->getVPS()->getMaxVpsDecPicBufferingMinus1(ii , rpcSlice->getLayerId() , rpcSlice->getVPS()->getMaxSLayersInLayerSetMinus1(ii))); assert(rps->getNumberOfPositivePictures() <= rpcSlice->getVPS()->getMaxVpsDecPicBufferingMinus1(ii , rpcSlice->getLayerId() , rpcSlice->getVPS()->getMaxSLayersInLayerSetMinus1(ii)) - rps->getNumberOfNegativePictures()); assert((rps->getNumberOfPositivePictures() + rps->getNumberOfNegativePictures() + rps->getNumberOfLongtermPictures()) <= rpcSlice->getVPS()->getMaxVpsDecPicBufferingMinus1(ii , rpcSlice->getLayerId() , rpcSlice->getVPS()->getMaxSLayersInLayerSetMinus1(ii))); } } } if(rpcSlice->getLayerId() == 0) { assert(rps->getNumberOfNegativePictures() <= rpcSlice->getSPS()->getMaxDecPicBuffering(rpcSlice->getSPS()->getMaxTLayers()-1) ); assert(rps->getNumberOfPositivePictures() <= rpcSlice->getSPS()->getMaxDecPicBuffering(rpcSlice->getSPS()->getMaxTLayers()-1) -rps->getNumberOfNegativePictures()); assert((rps->getNumberOfPositivePictures() + rps->getNumberOfNegativePictures() + rps->getNumberOfLongtermPictures()) <= rpcSlice->getSPS()->getMaxDecPicBuffering(rpcSlice->getSPS()->getMaxTLayers()-1)); } #endif 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()) { #if R0226_SLICE_TMVP READ_FLAG( uiCode, "slice_temporal_mvp_enabled_flag" ); #else READ_FLAG( uiCode, "slice_temporal_mvp_enable_flag" ); #endif rpcSlice->setEnableTMVPFlag( uiCode == 1 ? true : false ); } else { rpcSlice->setEnableTMVPFlag(false); } #if N0065_LAYER_POC_ALIGNMENT && !SHM_FIX7 } #endif } #if SVC_EXTENSION rpcSlice->setActiveNumILRRefIdx(0); if((rpcSlice->getLayerId() > 0) && !(rpcSlice->getVPS()->getIlpSshSignalingEnabledFlag()) && (rpcSlice->getNumILRRefIdx() > 0) ) { READ_FLAG(uiCode,"inter_layer_pred_enabled_flag"); rpcSlice->setInterLayerPredEnabledFlag(uiCode); if( rpcSlice->getInterLayerPredEnabledFlag()) { if(rpcSlice->getNumILRRefIdx() > 1) { Int numBits = 1; while ((1 << numBits) < rpcSlice->getNumILRRefIdx()) { numBits++; } if( !rpcSlice->getVPS()->getMaxOneActiveRefLayerFlag()) { READ_CODE( numBits, uiCode,"num_inter_layer_ref_pics_minus1" ); rpcSlice->setActiveNumILRRefIdx(uiCode + 1); } else { #if P0079_DERIVE_NUMACTIVE_REF_PICS for( Int i = 0; i < rpcSlice->getNumILRRefIdx(); i++ ) { #if Q0060_MAX_TID_REF_EQUAL_TO_ZERO if((rpcSlice->getVPS()->getMaxTidIlRefPicsPlus1(rpcSlice->getVPS()->getLayerIdInVps(i),rpcSlice->getLayerId()) > rpcSlice->getTLayer() || rpcSlice->getTLayer()==0) && (rpcSlice->getVPS()->getMaxTSLayersMinus1(rpcSlice->getVPS()->getLayerIdInVps(i)) >= rpcSlice->getTLayer()) ) #else if(rpcSlice->getVPS()->getMaxTidIlRefPicsPlus1(rpcSlice->getVPS()->getLayerIdInVps(i),rpcSlice->getLayerId()) > rpcSlice->getTLayer() && (rpcSlice->getVPS()->getMaxTSLayersMinus1(rpcSlice->getVPS()->getLayerIdInVps(i)) >= rpcSlice->getTLayer()) ) #endif { rpcSlice->setActiveNumILRRefIdx(1); break; } } #else rpcSlice->setActiveNumILRRefIdx(1); #endif } if( rpcSlice->getActiveNumILRRefIdx() == rpcSlice->getNumILRRefIdx() ) { for( Int i = 0; i < rpcSlice->getActiveNumILRRefIdx(); i++ ) { rpcSlice->setInterLayerPredLayerIdc(i,i); } } else { for(Int i = 0; i < rpcSlice->getActiveNumILRRefIdx(); i++ ) { READ_CODE( numBits,uiCode,"inter_layer_pred_layer_idc[i]" ); rpcSlice->setInterLayerPredLayerIdc(uiCode,i); } } } else { #if O0225_TID_BASED_IL_RPS_DERIV && TSLAYERS_IL_RPS #if Q0060_MAX_TID_REF_EQUAL_TO_ZERO if((rpcSlice->getVPS()->getMaxTidIlRefPicsPlus1(0,rpcSlice->getLayerId()) > rpcSlice->getTLayer() || rpcSlice->getTLayer()==0) && (rpcSlice->getVPS()->getMaxTSLayersMinus1(0) >= rpcSlice->getTLayer()) ) #else if( (rpcSlice->getVPS()->getMaxTidIlRefPicsPlus1(0,rpcSlice->getLayerId()) > rpcSlice->getTLayer()) && (rpcSlice->getVPS()->getMaxTSLayersMinus1(0) >= rpcSlice->getTLayer()) ) #endif { #endif rpcSlice->setActiveNumILRRefIdx(1); rpcSlice->setInterLayerPredLayerIdc(0,0); #if O0225_TID_BASED_IL_RPS_DERIV && TSLAYERS_IL_RPS } #endif } } } else if( rpcSlice->getVPS()->getIlpSshSignalingEnabledFlag() == true && (rpcSlice->getLayerId() > 0 )) { rpcSlice->setInterLayerPredEnabledFlag(true); #if O0225_TID_BASED_IL_RPS_DERIV && TSLAYERS_IL_RPS Int numRefLayerPics = 0; Int i = 0; Int refLayerPicIdc [MAX_VPS_LAYER_ID_PLUS1]; for(i = 0, numRefLayerPics = 0; i < rpcSlice->getNumILRRefIdx(); i++ ) { #if Q0060_MAX_TID_REF_EQUAL_TO_ZERO if((rpcSlice->getVPS()->getMaxTidIlRefPicsPlus1(rpcSlice->getVPS()->getLayerIdInVps(i),rpcSlice->getLayerId()) > rpcSlice->getTLayer() || rpcSlice->getTLayer()==0) && (rpcSlice->getVPS()->getMaxTSLayersMinus1(rpcSlice->getVPS()->getLayerIdInVps(i)) >= rpcSlice->getTLayer()) ) #else if(rpcSlice->getVPS()->getMaxTidIlRefPicsPlus1(rpcSlice->getVPS()->getLayerIdInVps(i),rpcSlice->getLayerId()) > rpcSlice->getTLayer() && (rpcSlice->getVPS()->getMaxTSLayersMinus1(rpcSlice->getVPS()->getLayerIdInVps(i)) >= rpcSlice->getTLayer()) ) #endif { refLayerPicIdc[ numRefLayerPics++ ] = i; } } rpcSlice->setActiveNumILRRefIdx(numRefLayerPics); for( i = 0; i < rpcSlice->getActiveNumILRRefIdx(); i++ ) { rpcSlice->setInterLayerPredLayerIdc(refLayerPicIdc[i],i); } #else rpcSlice->setActiveNumILRRefIdx(rpcSlice->getNumILRRefIdx()); for( Int i = 0; i < rpcSlice->getActiveNumILRRefIdx(); i++ ) { rpcSlice->setInterLayerPredLayerIdc(i,i); } #endif } #if P0312_VERT_PHASE_ADJ for(Int i = 0; i < rpcSlice->getActiveNumILRRefIdx(); i++ ) { UInt refLayerIdc = rpcSlice->getInterLayerPredLayerIdc(i); #if !MOVE_SCALED_OFFSET_TO_PPS if( rpcSlice->getSPS()->getVertPhasePositionEnableFlag(refLayerIdc) ) #else if( rpcSlice->getPPS()->getVertPhasePositionEnableFlag(refLayerIdc) ) #endif { READ_FLAG( uiCode, "vert_phase_position_flag" ); rpcSlice->setVertPhasePositionFlag( uiCode? true : false, refLayerIdc ); } } #endif #endif //SVC_EXTENSION if(sps->getUseSAO()) { READ_FLAG(uiCode, "slice_sao_luma_flag"); rpcSlice->setSaoEnabledFlag((Bool)uiCode); #if AUXILIARY_PICTURES ChromaFormat format; #if REPN_FORMAT_IN_VPS #if O0096_REP_FORMAT_INDEX if( sps->getLayerId() == 0 ) { format = sps->getChromaFormatIdc(); } else { format = rpcSlice->getVPS()->getVpsRepFormat( sps->getUpdateRepFormatFlag() ? sps->getUpdateRepFormatIndex() : rpcSlice->getVPS()->getVpsRepFormatIdx(sps->getLayerId()) )->getChromaFormatVpsIdc(); #if Q0195_REP_FORMAT_CLEANUP assert( (sps->getUpdateRepFormatFlag()==false && rpcSlice->getVPS()->getVpsNumRepFormats()==1) || rpcSlice->getVPS()->getVpsNumRepFormats() > 1 ); //conformance check #endif } #else if( ( sps->getLayerId() == 0 ) || sps->getUpdateRepFormatFlag() ) { format = sps->getChromaFormatIdc(); } else { format = rpcSlice->getVPS()->getVpsRepFormat( rpcSlice->getVPS()->getVpsRepFormatIdx(sps->getLayerId()) )->getChromaFormatVpsIdc(); } #endif #else format = sps->getChromaFormatIdc(); #endif if (format != CHROMA_400) { #endif READ_FLAG(uiCode, "slice_sao_chroma_flag"); rpcSlice->setSaoEnabledFlagChroma((Bool)uiCode); #if AUXILIARY_PICTURES } else { rpcSlice->setSaoEnabledFlagChroma(false); } #endif } 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 SVC_EXTENSION && REF_IDX_MFM // set motion mapping flag rpcSlice->setMFMEnabledFlag( ( rpcSlice->getNumMotionPredRefLayers() > 0 && rpcSlice->getActiveNumILRRefIdx() && !rpcSlice->isIntra() ) ? true : false ); #endif 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 (!rpcSlice->isIntra()) { READ_UVLC( uiCode, "five_minus_max_num_merge_cand"); rpcSlice->setMaxNumMergeCand(MRG_MAX_NUM_CANDS - uiCode); } READ_SVLC( iCode, "slice_qp_delta" ); rpcSlice->setSliceQp (26 + pps->getPicInitQPMinus26() + iCode); #if REPN_FORMAT_IN_VPS #if O0194_DIFFERENT_BITDEPTH_EL_BL g_bitDepthYLayer[rpcSlice->getLayerId()] = rpcSlice->getBitDepthY(); g_bitDepthCLayer[rpcSlice->getLayerId()] = rpcSlice->getBitDepthC(); #endif assert( rpcSlice->getSliceQp() >= -rpcSlice->getQpBDOffsetY() ); #else assert( rpcSlice->getSliceQp() >= -sps->getQpBDOffsetY() ); #endif 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 POC_RESET_IDC_SIGNALLING Int sliceHeaderExtensionLength = 0; if(pps->getSliceHeaderExtensionPresentFlag()) { READ_UVLC( uiCode, "slice_header_extension_length"); sliceHeaderExtensionLength = uiCode; } else { sliceHeaderExtensionLength = 0; #if INFERENCE_POC_MSB_VAL_PRESENT rpcSlice->setPocMsbValPresentFlag( false ); #endif } UInt startBits = m_pcBitstream->getNumBitsRead(); // Start counter of # SH Extn bits if( sliceHeaderExtensionLength > 0 ) { if( rpcSlice->getPPS()->getPocResetInfoPresentFlag() ) { READ_CODE( 2, uiCode, "poc_reset_idc"); rpcSlice->setPocResetIdc(uiCode); #if POC_RESET_RESTRICTIONS /* The value of poc_reset_idc shall not be equal to 1 or 2 for a RASL picture, a RADL picture, a sub-layer non-reference picture, or a picture that has TemporalId greater than 0, or a picture that has discardable_flag equal to 1. */ if( rpcSlice->getPocResetIdc() == 1 || rpcSlice->getPocResetIdc() == 2 ) { assert( !rpcSlice->isRASL() ); assert( !rpcSlice->isRADL() ); assert( !rpcSlice->isSLNR() ); assert( rpcSlice->getTLayer() == 0 ); assert( rpcSlice->getDiscardableFlag() == 0 ); } // The value of poc_reset_idc of a CRA or BLA picture shall be less than 3. if( rpcSlice->getPocResetIdc() == 3) { assert( ! ( rpcSlice->isCRA() || rpcSlice->isBLA() ) ); } #endif } else { rpcSlice->setPocResetIdc( 0 ); } #if Q0142_POC_LSB_NOT_PRESENT if ( rpcSlice->getVPS()->getPocLsbNotPresentFlag(rpcSlice->getLayerId()) && iPOClsb > 0 ) { assert( rpcSlice->getPocResetIdc() != 2 ); } #endif if( rpcSlice->getPocResetIdc() > 0 ) { READ_CODE(6, uiCode, "poc_reset_period_id"); rpcSlice->setPocResetPeriodId(uiCode); } else { rpcSlice->setPocResetPeriodId( 0 ); } if (rpcSlice->getPocResetIdc() == 3) { READ_FLAG( uiCode, "full_poc_reset_flag"); rpcSlice->setFullPocResetFlag((uiCode == 1) ? true : false); READ_CODE(rpcSlice->getSPS()->getBitsForPOC(), uiCode,"poc_lsb_val"); rpcSlice->setPocLsbVal(uiCode); #if Q0142_POC_LSB_NOT_PRESENT if ( rpcSlice->getVPS()->getPocLsbNotPresentFlag(rpcSlice->getLayerId()) && rpcSlice->getFullPocResetFlag() ) { assert( rpcSlice->getPocLsbVal() == 0 ); } #endif } // Derive the value of PocMsbValRequiredFlag #if P0297_VPS_POC_LSB_ALIGNED_FLAG rpcSlice->setPocMsbValRequiredFlag( (rpcSlice->getCraPicFlag() || rpcSlice->getBlaPicFlag()) && (!rpcSlice->getVPS()->getVpsPocLsbAlignedFlag() || (rpcSlice->getVPS()->getVpsPocLsbAlignedFlag() && rpcSlice->getVPS()->getNumDirectRefLayers(rpcSlice->getLayerId()) == 0)) ); #else rpcSlice->setPocMsbValRequiredFlag( rpcSlice->getCraPicFlag() || rpcSlice->getBlaPicFlag() ); #endif #if P0297_VPS_POC_LSB_ALIGNED_FLAG if (!rpcSlice->getPocMsbValRequiredFlag() && rpcSlice->getVPS()->getVpsPocLsbAlignedFlag()) #else if (!rpcSlice->getPocMsbValRequiredFlag() /* vps_poc_lsb_aligned_flag */) #endif { #if P0297_VPS_POC_LSB_ALIGNED_FLAG READ_FLAG(uiCode, "poc_msb_cycle_val_present_flag"); rpcSlice->setPocMsbValPresentFlag(uiCode ? true : false); #else READ_FLAG(uiCode, "poc_msb_val_present_flag"); rpcSlice->setPocMsbValPresentFlag(uiCode ? true : false); #endif } else { #if POC_MSB_VAL_PRESENT_FLAG_SEM if( sliceHeaderExtensionLength == 0 ) { rpcSlice->setPocMsbValPresentFlag( false ); } else if( rpcSlice->getPocMsbValRequiredFlag() ) #else if( rpcSlice->getPocMsbValRequiredFlag() ) #endif { rpcSlice->setPocMsbValPresentFlag( true ); } else { rpcSlice->setPocMsbValPresentFlag( false ); } } #if !POC_RESET_IDC_DECODER Int maxPocLsb = 1 << rpcSlice->getSPS()->getBitsForPOC(); #endif if( rpcSlice->getPocMsbValPresentFlag() ) { #if P0297_VPS_POC_LSB_ALIGNED_FLAG READ_UVLC( uiCode, "poc_msb_cycle_val"); rpcSlice->setPocMsbVal( uiCode ); #else READ_UVLC( uiCode, "poc_msb_val"); rpcSlice->setPocMsbVal( uiCode ); #endif #if !POC_RESET_IDC_DECODER // Update POC of the slice based on this MSB val Int pocLsb = rpcSlice->getPOC() % maxPocLsb; rpcSlice->setPOC((rpcSlice->getPocMsbVal() * maxPocLsb) + pocLsb); } else { rpcSlice->setPocMsbVal( rpcSlice->getPOC() / maxPocLsb ); #endif } // Read remaining bits in the slice header extension. UInt endBits = m_pcBitstream->getNumBitsRead(); Int counter = (endBits - startBits) % 8; if( counter ) { counter = 8 - counter; } while( counter ) { #if Q0146_SSH_EXT_DATA_BIT READ_FLAG( uiCode, "slice_segment_header_extension_data_bit" ); #else READ_FLAG( uiCode, "slice_segment_header_extension_reserved_bit" ); assert( uiCode == 1 ); #endif counter--; } } #else if(pps->getSliceHeaderExtensionPresentFlag()) { 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(profilePresentFlag) { READ_FLAG( uiCode, "sub_layer_profile_present_flag[i]" ); rpcPTL->setSubLayerProfilePresentFlag(i, uiCode); } READ_FLAG( uiCode, "sub_layer_level_present_flag[i]" ); rpcPTL->setSubLayerLevelPresentFlag (i, uiCode); } if (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 ); #if REPN_FORMAT_IN_VPS Int qpBdOffsetY = pcCU->getSlice()->getQpBDOffsetY(); #else Int qpBdOffsetY = pcCU->getSlice()->getSPS()->getQpBDOffsetY(); #endif 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); } // ==================================================================================================================== // 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); #if SVC_EXTENSION UInt uiLog2WeightDenomLuma = 0, uiLog2WeightDenomChroma = 0; #else UInt uiLog2WeightDenomLuma, uiLog2WeightDenomChroma; #endif UInt uiTotalSignalledWeightFlags = 0; Int iDeltaDenom; #if AUXILIARY_PICTURES if (pcSlice->getChromaFormatIdc() == CHROMA_400) { bChroma = false; } #endif // 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; #if AUXILIARY_PICTURES if (!bChroma) { wp[1].uiLog2WeightDenom = 0; wp[2].uiLog2WeightDenom = 0; } else { #endif wp[1].uiLog2WeightDenom = uiLog2WeightDenomChroma; wp[2].uiLog2WeightDenom = uiLog2WeightDenomChroma; #if AUXILIARY_PICTURES } #endif 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); } #if Q0048_CGS_3D_ASYMLUT Void TDecCavlc::xParse3DAsymLUT( TCom3DAsymLUT * pc3DAsymLUT ) { #if R0150_CGS_SIGNAL_CONSTRAINTS UInt uiNumRefLayersM1; READ_UVLC( uiNumRefLayersM1 , "num_cm_ref_layers_minus1" ); assert( uiNumRefLayersM1 <= 61 ); for( UInt i = 0 ; i <= uiNumRefLayersM1 ; i++ ) { UInt uiRefLayerId; READ_CODE( 6 , uiRefLayerId , "cm_ref_layer_id" ); pc3DAsymLUT->addRefLayerId( uiRefLayerId ); } #endif UInt uiCurOctantDepth , uiCurPartNumLog2 , uiInputBitDepthM8 , uiOutputBitDepthM8 , uiResQaunBit; #if R0300_CGS_RES_COEFF_CODING UInt uiDeltaBits; #endif READ_CODE( 2 , uiCurOctantDepth , "cm_octant_depth" ); READ_CODE( 2 , uiCurPartNumLog2 , "cm_y_part_num_log2" ); #if R0150_CGS_SIGNAL_CONSTRAINTS UInt uiChromaInputBitDepthM8 , uiChromaOutputBitDepthM8; READ_UVLC( uiInputBitDepthM8 , "cm_input_luma_bit_depth_minus8" ); READ_UVLC( uiChromaInputBitDepthM8 , "cm_input_chroma_bit_depth_minus8" ); READ_UVLC( uiOutputBitDepthM8 , "cm_output_luma_bit_depth_minus8" ); READ_UVLC( uiChromaOutputBitDepthM8 , "cm_output_chroma_bit_depth_minus8" ); #else READ_CODE( 3 , uiInputBitDepthM8 , "cm_input_bit_depth_minus8" ); Int iInputBitDepthCDelta; READ_SVLC(iInputBitDepthCDelta, "cm_input_bit_depth_chroma delta"); READ_CODE( 3 , uiOutputBitDepthM8 , "cm_output_bit_depth_minus8" ); Int iOutputBitDepthCDelta; READ_SVLC(iOutputBitDepthCDelta, "cm_output_bit_depth_chroma_delta"); #endif READ_CODE( 2 , uiResQaunBit , "cm_res_quant_bit" ); #if R0300_CGS_RES_COEFF_CODING READ_CODE( 2 , uiDeltaBits , "cm_flc_bits" ); pc3DAsymLUT->setDeltaBits(uiDeltaBits + 1); #endif #if R0151_CGS_3D_ASYMLUT_IMPROVE #if R0150_CGS_SIGNAL_CONSTRAINTS Int nAdaptCThresholdU = 1 << ( uiChromaInputBitDepthM8 + 8 - 1 ); Int nAdaptCThresholdV = 1 << ( uiChromaInputBitDepthM8 + 8 - 1 ); #else Int nAdaptCThresholdU = 1 << ( uiInputBitDepthM8 + 8 + iInputBitDepthCDelta - 1 ); Int nAdaptCThresholdV = 1 << ( uiInputBitDepthM8 + 8 + iInputBitDepthCDelta - 1 ); #endif if( uiCurOctantDepth == 1 ) { Int delta = 0; READ_SVLC( delta , "cm_adapt_threshold_u_delta" ); nAdaptCThresholdU += delta; READ_SVLC( delta , "cm_adapt_threshold_v_delta" ); nAdaptCThresholdV += delta; } #endif pc3DAsymLUT->destroy(); pc3DAsymLUT->create( uiCurOctantDepth , uiInputBitDepthM8 + 8 , #if R0150_CGS_SIGNAL_CONSTRAINTS uiChromaInputBitDepthM8 + 8 , #else uiInputBitDepthM8 + 8 + iInputBitDepthCDelta, #endif uiOutputBitDepthM8 + 8 , #if R0150_CGS_SIGNAL_CONSTRAINTS uiChromaOutputBitDepthM8 + 8 , #else uiOutputBitDepthM8 + 8 + iOutputBitDepthCDelta , #endif uiCurPartNumLog2 #if R0151_CGS_3D_ASYMLUT_IMPROVE , nAdaptCThresholdU , nAdaptCThresholdV #endif ); pc3DAsymLUT->setResQuantBit( uiResQaunBit ); #if R0164_CGS_LUT_BUGFIX_CHECK pc3DAsymLUT->xInitCuboids(); #endif xParse3DAsymLUTOctant( pc3DAsymLUT , 0 , 0 , 0 , 0 , 1 << pc3DAsymLUT->getCurOctantDepth() ); #if R0164_CGS_LUT_BUGFIX #if R0164_CGS_LUT_BUGFIX_CHECK printf("============= Before 'xCuboidsFilledCheck()': ================\n"); pc3DAsymLUT->display(); pc3DAsymLUT->xCuboidsFilledCheck( false ); printf("============= After 'xCuboidsFilledCheck()': =================\n"); pc3DAsymLUT->display(); #endif #endif } Void TDecCavlc::xParse3DAsymLUTOctant( TCom3DAsymLUT * pc3DAsymLUT , Int nDepth , Int yIdx , Int uIdx , Int vIdx , Int nLength ) { UInt uiOctantSplit = nDepth < pc3DAsymLUT->getCurOctantDepth(); if( nDepth < pc3DAsymLUT->getCurOctantDepth() ) READ_FLAG( uiOctantSplit , "split_octant_flag" ); Int nYPartNum = 1 << pc3DAsymLUT->getCurYPartNumLog2(); if( uiOctantSplit ) { Int nHalfLength = nLength >> 1; for( Int l = 0 ; l < 2 ; l++ ) { for( Int m = 0 ; m < 2 ; m++ ) { for( Int n = 0 ; n < 2 ; n++ ) { xParse3DAsymLUTOctant( pc3DAsymLUT , nDepth + 1 , yIdx + l * nHalfLength * nYPartNum , uIdx + m * nHalfLength , vIdx + n * nHalfLength , nHalfLength ); } } } } else { #if R0300_CGS_RES_COEFF_CODING Int nFLCbits = pc3DAsymLUT->getMappingShift()-pc3DAsymLUT->getResQuantBit()-pc3DAsymLUT->getDeltaBits() ; nFLCbits = nFLCbits >= 0 ? nFLCbits:0; #endif for( Int l = 0 ; l < nYPartNum ; l++ ) { #if R0164_CGS_LUT_BUGFIX Int shift = pc3DAsymLUT->getCurOctantDepth() - nDepth ; #endif for( Int nVertexIdx = 0 ; nVertexIdx < 4 ; nVertexIdx++ ) { UInt uiCodeVertex = 0; Int deltaY = 0 , deltaU = 0 , deltaV = 0; READ_FLAG( uiCodeVertex , "coded_vertex_flag" ); if( uiCodeVertex ) { #if R0151_CGS_3D_ASYMLUT_IMPROVE #if R0300_CGS_RES_COEFF_CODING xReadParam( deltaY, nFLCbits ); xReadParam( deltaU, nFLCbits ); xReadParam( deltaV, nFLCbits ); #else xReadParam( deltaY ); xReadParam( deltaU ); xReadParam( deltaV ); #endif #else READ_SVLC( deltaY , "resY" ); READ_SVLC( deltaU , "resU" ); READ_SVLC( deltaV , "resV" ); #endif } #if R0164_CGS_LUT_BUGFIX pc3DAsymLUT->setCuboidVertexResTree( yIdx + (l<setCuboidVertexResTree( yIdx + (l<xSetFilled( yIdx + (l<setCuboidVertexResTree( yIdx + l , uIdx , vIdx , nVertexIdx , deltaY , deltaU , deltaV ); #endif } #if R0164_CGS_LUT_BUGFIX_CHECK pc3DAsymLUT->xSetExplicit( yIdx + (l<setCuboidVertexResTree( yIdx + y , uIdx + u , vIdx + v , nVertexIdx , 0 , 0 , 0 ); #if R0164_CGS_LUT_BUGFIX_CHECK pc3DAsymLUT->xSetFilled( yIdx + y , uIdx + u , vIdx + v ); #endif } } } } } #endif } } #if R0151_CGS_3D_ASYMLUT_IMPROVE #if R0300_CGS_RES_COEFF_CODING Void TDecCavlc::xReadParam( Int& param, Int rParam ) #else Void TDecCavlc::xReadParam( Int& param ) #endif { #if !R0300_CGS_RES_COEFF_CODING const UInt rParam = 7; #endif UInt prefix; UInt codeWord ; UInt rSymbol; UInt sign; READ_UVLC( prefix, "quotient") ; READ_CODE (rParam, codeWord, "remainder"); rSymbol = (prefix<getTimingInfo()->getTimingInfoPresentFlag() == 1); READ_UVLC( uiCode, "vps_num_add_hrd_params" ); vps->setVpsNumAddHrdParams(uiCode); vps->createBspHrdParamBuffer(vps->getVpsNumAddHrdParams()); // Also allocates m_cprmsAddPresentFlag and m_numSubLayerHrdMinus for( Int i = vps->getNumHrdParameters(), j = 0; i < vps->getNumHrdParameters() + vps->getVpsNumAddHrdParams(); i++, j++ ) // j = i - vps->getNumHrdParameters() { if( i > 0 ) { READ_FLAG( uiCode, "cprms_add_present_flag[i]" ); vps->setCprmsAddPresentFlag(j, uiCode ? true : false); } else { // i == 0 if( vps->getNumHrdParameters() == 0 ) { vps->setCprmsAddPresentFlag(0, true); } } READ_UVLC( uiCode, "num_sub_layer_hrd_minus1[i]" ); vps->setNumSubLayerHrdMinus1(j, uiCode ); assert( uiCode <= vps->getMaxTLayers() - 1 ); parseHrdParameters( vps->getBspHrd(j), vps->getCprmsAddPresentFlag(j), vps->getNumSubLayerHrdMinus1(j) ); if( i > 0 && !vps->getCprmsAddPresentFlag(i) ) { // Copy common information parameters if( i == vps->getNumHrdParameters() ) { vps->getBspHrd(j)->copyCommonInformation( vps->getHrdParameters( vps->getNumHrdParameters() - 1 ) ); } else { vps->getBspHrd(j)->copyCommonInformation( vps->getBspHrd( j - 1 ) ); } } } for (Int h = 1; h < vps->getNumOutputLayerSets(); h++) { Int lsIdx = vps->getOutputLayerSetIdx( h ); READ_UVLC( uiCode, "num_signalled_partitioning_schemes[h]"); vps->setNumSignalledPartitioningSchemes(h, uiCode); for( Int j = 0; j < vps->getNumSignalledPartitioningSchemes(h); j++ ) { READ_UVLC( uiCode, "num_partitions_in_scheme_minus1[h][j]" ); vps->setNumPartitionsInSchemeMinus1(h, j, uiCode); for( Int k = 0; k <= vps->getNumPartitionsInSchemeMinus1(h, j); k++ ) { for( Int r = 0; r < vps->getNumLayersInIdList( lsIdx ); r++ ) { READ_FLAG( uiCode, "layer_included_in_partition_flag[h][j][k][r]" ); vps->setLayerIncludedInPartitionFlag(h, j, k, r, uiCode ? true : false); } } } for( Int i = 0; i < vps->getNumSignalledPartitioningSchemes(h) + 1; i++ ) { for( Int t = 0; t <= vps->getMaxSLayersInLayerSetMinus1(lsIdx); t++ ) { READ_UVLC( uiCode, "num_bsp_schedules_minus1[h][i][t]"); vps->setNumBspSchedulesMinus1(h, i, t, uiCode); for( Int j = 0; j <= vps->getNumBspSchedulesMinus1(h, i, t); j++ ) { for( Int k = 0; k < vps->getNumPartitionsInSchemeMinus1(h, i); k++ ) { READ_UVLC( uiCode, "bsp_comb_hrd_idx[h][i][t][j][k]"); vps->setBspHrdIdx(h, i, t, j, k, uiCode); READ_UVLC( uiCode, "bsp_comb_sched_idx[h][i][t][j][k]"); vps->setBspSchedIdx(h, i, t, j, k, uiCode); } } } } // To be done: Check each layer included in not more than one BSP in every partitioning scheme, // and other related checks associated with layers in bitstream partitions. } } #endif #endif //! \}