/* The copyright in this software is being made available under the BSD * License, included below. This software may be subject to other third party * and contributor rights, including patent rights, and no such rights are * granted under this license. * * Copyright (c) 2010-2015, ITU/ISO/IEC * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * Neither the name of the ITU/ISO/IEC nor the names of its contributors may * be used to endorse or promote products derived from this software without * specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF * THE POSSIBILITY OF SUCH DAMAGE. */ /** \file TEncCavlc.cpp \brief CAVLC encoder class */ #include "../TLibCommon/CommonDef.h" #include "TEncCavlc.h" #include "SEIwrite.h" //! \ingroup TLibEncoder //! \{ #if ENC_DEC_TRACE Void xTraceSPSHeader (const TComSPS *pSPS) { fprintf( g_hTrace, "=========== Sequence Parameter Set ID: %d ===========\n", pSPS->getSPSId() ); } Void xTracePPSHeader (const TComPPS *pPPS) { fprintf( g_hTrace, "=========== Picture Parameter Set ID: %d ===========\n", pPPS->getPPSId() ); } Void xTraceSliceHeader (const TComSlice *pSlice) { fprintf( g_hTrace, "=========== Slice ===========\n"); } #endif // ==================================================================================================================== // Constructor / destructor / create / destroy // ==================================================================================================================== TEncCavlc::TEncCavlc() { m_pcBitIf = NULL; } TEncCavlc::~TEncCavlc() { } // ==================================================================================================================== // Public member functions // ==================================================================================================================== Void TEncCavlc::resetEntropy(const TComSlice* /*pSlice*/) { } Void TEncCavlc::codeShortTermRefPicSet( const TComReferencePictureSet* rps, Bool calledFromSliceHeader, Int idx) { #if PRINT_RPS_INFO Int lastBits = getNumberOfWrittenBits(); #endif if (idx > 0) { WRITE_FLAG( rps->getInterRPSPrediction(), "inter_ref_pic_set_prediction_flag" ); // inter_RPS_prediction_flag } if (rps->getInterRPSPrediction()) { Int deltaRPS = rps->getDeltaRPS(); if(calledFromSliceHeader) { WRITE_UVLC( rps->getDeltaRIdxMinus1(), "delta_idx_minus1" ); // delta index of the Reference Picture Set used for prediction minus 1 } WRITE_CODE( (deltaRPS >=0 ? 0: 1), 1, "delta_rps_sign" ); //delta_rps_sign WRITE_UVLC( abs(deltaRPS) - 1, "abs_delta_rps_minus1"); // absolute delta RPS minus 1 for(Int j=0; j < rps->getNumRefIdc(); j++) { Int refIdc = rps->getRefIdc(j); WRITE_CODE( (refIdc==1? 1: 0), 1, "used_by_curr_pic_flag" ); //first bit is "1" if Idc is 1 if (refIdc != 1) { WRITE_CODE( refIdc>>1, 1, "use_delta_flag" ); //second bit is "1" if Idc is 2, "0" otherwise. } } } else { WRITE_UVLC( rps->getNumberOfNegativePictures(), "num_negative_pics" ); WRITE_UVLC( rps->getNumberOfPositivePictures(), "num_positive_pics" ); Int prev = 0; for(Int j=0 ; j < rps->getNumberOfNegativePictures(); j++) { WRITE_UVLC( prev-rps->getDeltaPOC(j)-1, "delta_poc_s0_minus1" ); prev = rps->getDeltaPOC(j); WRITE_FLAG( rps->getUsed(j), "used_by_curr_pic_s0_flag"); } prev = 0; for(Int j=rps->getNumberOfNegativePictures(); j < rps->getNumberOfNegativePictures()+rps->getNumberOfPositivePictures(); j++) { WRITE_UVLC( rps->getDeltaPOC(j)-prev-1, "delta_poc_s1_minus1" ); prev = rps->getDeltaPOC(j); WRITE_FLAG( rps->getUsed(j), "used_by_curr_pic_s1_flag" ); } } #if PRINT_RPS_INFO printf("irps=%d (%2d bits) ", rps->getInterRPSPrediction(), getNumberOfWrittenBits() - lastBits); rps->printDeltaPOC(); #endif } #if CGS_3D_ASYMLUT Void TEncCavlc::codePPS( const TComPPS* pcPPS, TEnc3DAsymLUT * pc3DAsymLUT ) #else Void TEncCavlc::codePPS( const TComPPS* pcPPS ) #endif { #if ENC_DEC_TRACE xTracePPSHeader (pcPPS); #endif WRITE_UVLC( pcPPS->getPPSId(), "pps_pic_parameter_set_id" ); WRITE_UVLC( pcPPS->getSPSId(), "pps_seq_parameter_set_id" ); WRITE_FLAG( pcPPS->getDependentSliceSegmentsEnabledFlag() ? 1 : 0, "dependent_slice_segments_enabled_flag" ); WRITE_FLAG( pcPPS->getOutputFlagPresentFlag() ? 1 : 0, "output_flag_present_flag" ); WRITE_CODE( pcPPS->getNumExtraSliceHeaderBits(), 3, "num_extra_slice_header_bits"); WRITE_FLAG( pcPPS->getSignHideFlag(), "sign_data_hiding_flag" ); WRITE_FLAG( pcPPS->getCabacInitPresentFlag() ? 1 : 0, "cabac_init_present_flag" ); WRITE_UVLC( pcPPS->getNumRefIdxL0DefaultActive()-1, "num_ref_idx_l0_default_active_minus1"); WRITE_UVLC( pcPPS->getNumRefIdxL1DefaultActive()-1, "num_ref_idx_l1_default_active_minus1"); WRITE_SVLC( pcPPS->getPicInitQPMinus26(), "init_qp_minus26"); WRITE_FLAG( pcPPS->getConstrainedIntraPred() ? 1 : 0, "constrained_intra_pred_flag" ); WRITE_FLAG( pcPPS->getUseTransformSkip() ? 1 : 0, "transform_skip_enabled_flag" ); WRITE_FLAG( pcPPS->getUseDQP() ? 1 : 0, "cu_qp_delta_enabled_flag" ); if ( pcPPS->getUseDQP() ) { WRITE_UVLC( pcPPS->getMaxCuDQPDepth(), "diff_cu_qp_delta_depth" ); } WRITE_SVLC( pcPPS->getQpOffset(COMPONENT_Cb), "pps_cb_qp_offset" ); WRITE_SVLC( pcPPS->getQpOffset(COMPONENT_Cr), "pps_cr_qp_offset" ); WRITE_FLAG( pcPPS->getSliceChromaQpFlag() ? 1 : 0, "pps_slice_chroma_qp_offsets_present_flag" ); WRITE_FLAG( pcPPS->getUseWP() ? 1 : 0, "weighted_pred_flag" ); // Use of Weighting Prediction (P_SLICE) WRITE_FLAG( pcPPS->getWPBiPred() ? 1 : 0, "weighted_bipred_flag" ); // Use of Weighting Bi-Prediction (B_SLICE) WRITE_FLAG( pcPPS->getTransquantBypassEnableFlag() ? 1 : 0, "transquant_bypass_enable_flag" ); WRITE_FLAG( pcPPS->getTilesEnabledFlag() ? 1 : 0, "tiles_enabled_flag" ); WRITE_FLAG( pcPPS->getEntropyCodingSyncEnabledFlag() ? 1 : 0, "entropy_coding_sync_enabled_flag" ); if( pcPPS->getTilesEnabledFlag() ) { WRITE_UVLC( pcPPS->getNumTileColumnsMinus1(), "num_tile_columns_minus1" ); WRITE_UVLC( pcPPS->getNumTileRowsMinus1(), "num_tile_rows_minus1" ); WRITE_FLAG( pcPPS->getTileUniformSpacingFlag(), "uniform_spacing_flag" ); if( !pcPPS->getTileUniformSpacingFlag() ) { for(UInt i=0; igetNumTileColumnsMinus1(); i++) { WRITE_UVLC( pcPPS->getTileColumnWidth(i)-1, "column_width_minus1" ); } for(UInt i=0; igetNumTileRowsMinus1(); i++) { WRITE_UVLC( pcPPS->getTileRowHeight(i)-1, "row_height_minus1" ); } } if(pcPPS->getNumTileColumnsMinus1() !=0 || pcPPS->getNumTileRowsMinus1() !=0) { WRITE_FLAG( pcPPS->getLoopFilterAcrossTilesEnabledFlag()?1 : 0, "loop_filter_across_tiles_enabled_flag"); } } WRITE_FLAG( pcPPS->getLoopFilterAcrossSlicesEnabledFlag()?1 : 0, "pps_loop_filter_across_slices_enabled_flag"); WRITE_FLAG( pcPPS->getDeblockingFilterControlPresentFlag()?1 : 0, "deblocking_filter_control_present_flag"); if(pcPPS->getDeblockingFilterControlPresentFlag()) { WRITE_FLAG( pcPPS->getDeblockingFilterOverrideEnabledFlag() ? 1 : 0, "deblocking_filter_override_enabled_flag" ); WRITE_FLAG( pcPPS->getPicDisableDeblockingFilterFlag() ? 1 : 0, "pps_disable_deblocking_filter_flag" ); if(!pcPPS->getPicDisableDeblockingFilterFlag()) { WRITE_SVLC( pcPPS->getDeblockingFilterBetaOffsetDiv2(), "pps_beta_offset_div2" ); WRITE_SVLC( pcPPS->getDeblockingFilterTcOffsetDiv2(), "pps_tc_offset_div2" ); } } WRITE_FLAG( pcPPS->getScalingListPresentFlag() ? 1 : 0, "pps_scaling_list_data_present_flag" ); if( pcPPS->getScalingListPresentFlag() ) { codeScalingList( pcPPS->getScalingList() ); } WRITE_FLAG( pcPPS->getListsModificationPresentFlag(), "lists_modification_present_flag"); WRITE_UVLC( pcPPS->getLog2ParallelMergeLevelMinus2(), "log2_parallel_merge_level_minus2"); WRITE_FLAG( pcPPS->getSliceHeaderExtensionPresentFlag() ? 1 : 0, "slice_segment_header_extension_present_flag"); Bool pps_extension_present_flag=false; Bool pps_extension_flags[NUM_PPS_EXTENSION_FLAGS]={false}; pps_extension_flags[PPS_EXT__REXT] = pcPPS->getPpsRangeExtension().settingsDifferFromDefaults(pcPPS->getUseTransformSkip()); // Other PPS extension flags checked here. #if SVC_EXTENSION pps_extension_flags[PPS_EXT__MLAYER] = pcPPS->getExtensionFlag() ? 1 : 0; #if CGS_3D_ASYMLUT UInt bits = 0; #endif #endif for(Int i=0; igetPpsRangeExtension(); if (pcPPS->getUseTransformSkip()) { WRITE_UVLC( ppsRangeExtension.getLog2MaxTransformSkipBlockSize()-2, "log2_max_transform_skip_block_size_minus2"); } WRITE_FLAG((ppsRangeExtension.getCrossComponentPredictionEnabledFlag() ? 1 : 0), "cross_component_prediction_enabled_flag" ); WRITE_FLAG(UInt(ppsRangeExtension.getChromaQpOffsetListEnabledFlag()), "chroma_qp_offset_list_enabled_flag" ); if (ppsRangeExtension.getChromaQpOffsetListEnabledFlag()) { WRITE_UVLC(ppsRangeExtension.getDiffCuChromaQpOffsetDepth(), "diff_cu_chroma_qp_offset_depth"); WRITE_UVLC(ppsRangeExtension.getChromaQpOffsetListLen() - 1, "chroma_qp_offset_list_len_minus1"); /* skip zero index */ for (Int cuChromaQpOffsetIdx = 0; cuChromaQpOffsetIdx < ppsRangeExtension.getChromaQpOffsetListLen(); cuChromaQpOffsetIdx++) { WRITE_SVLC(ppsRangeExtension.getChromaQpOffsetListEntry(cuChromaQpOffsetIdx+1).u.comp.CbOffset, "cb_qp_offset_list[i]"); WRITE_SVLC(ppsRangeExtension.getChromaQpOffsetListEntry(cuChromaQpOffsetIdx+1).u.comp.CrOffset, "cr_qp_offset_list[i]"); } } WRITE_UVLC( ppsRangeExtension.getLog2SaoOffsetScale(CHANNEL_TYPE_LUMA), "log2_sao_offset_scale_luma" ); WRITE_UVLC( ppsRangeExtension.getLog2SaoOffsetScale(CHANNEL_TYPE_CHROMA), "log2_sao_offset_scale_chroma" ); } break; #if SVC_EXTENSION case PPS_EXT__MLAYER: WRITE_FLAG( pcPPS->getPocResetInfoPresentFlag() ? 1 : 0, "poc_reset_info_present_flag" ); WRITE_FLAG( pcPPS->getInferScalingListFlag() ? 1 : 0, "pps_infer_scaling_list_flag" ); if( pcPPS->getInferScalingListFlag() ) { // The value of pps_scaling_list_ref_layer_id shall be in the range of 0 to 62, inclusive assert( pcPPS->getScalingListRefLayerId() <= 62 ); WRITE_CODE( pcPPS->getScalingListRefLayerId(), 6, "pps_scaling_list_ref_layer_id" ); } WRITE_UVLC( pcPPS->getNumRefLayerLocationOffsets(), "num_ref_loc_offsets" ); for(Int k = 0; k < pcPPS->getNumRefLayerLocationOffsets(); k++) { WRITE_CODE( pcPPS->getRefLocationOffsetLayerId(k), 6, "ref_loc_offset_layer_id" ); WRITE_FLAG( pcPPS->getScaledRefLayerOffsetPresentFlag(k) ? 1 : 0, "scaled_ref_layer_offset_prsent_flag" ); if( pcPPS->getScaledRefLayerOffsetPresentFlag(k) ) { Window scaledWindow = pcPPS->getScaledRefLayerWindow(k); WRITE_SVLC( scaledWindow.getWindowLeftOffset() >> 1, "scaled_ref_layer_left_offset" ); WRITE_SVLC( scaledWindow.getWindowTopOffset() >> 1, "scaled_ref_layer_top_offset" ); WRITE_SVLC( scaledWindow.getWindowRightOffset() >> 1, "scaled_ref_layer_right_offset" ); WRITE_SVLC( scaledWindow.getWindowBottomOffset() >> 1, "scaled_ref_layer_bottom_offset" ); } WRITE_FLAG( pcPPS->getRefRegionOffsetPresentFlag(k) ? 1 : 0, "ref_region_offset_prsent_flag" ); if( pcPPS->getRefRegionOffsetPresentFlag(k) ) { const Window refWindow = pcPPS->getRefLayerWindow(k); WRITE_SVLC( refWindow.getWindowLeftOffset() >> 1, "ref_region_left_offset" ); WRITE_SVLC( refWindow.getWindowTopOffset() >> 1, "ref_region_top_offset" ); WRITE_SVLC( refWindow.getWindowRightOffset() >> 1, "ref_region_right_offset" ); WRITE_SVLC( refWindow.getWindowBottomOffset() >> 1, "ref_region_bottom_offset" ); } WRITE_FLAG( pcPPS->getResamplePhaseSetPresentFlag(k) ? 1 : 0, "resample_phase_set_present_flag" ); if( pcPPS->getResamplePhaseSetPresentFlag(k) ) { WRITE_UVLC( pcPPS->getPhaseHorLuma(k), "phase_hor_luma" ); WRITE_UVLC( pcPPS->getPhaseVerLuma(k), "phase_ver_luma" ); WRITE_UVLC( pcPPS->getPhaseHorChroma(k) + 8, "phase_hor_chroma_plus8" ); WRITE_UVLC( pcPPS->getPhaseVerChroma(k) + 8, "phase_ver_chroma_plus8" ); } } #if CGS_3D_ASYMLUT bits = getNumberOfWrittenBits(); WRITE_FLAG( pcPPS->getCGSFlag() , "colour_mapping_enabled_flag" ); if( pcPPS->getCGSFlag() ) { assert( pc3DAsymLUT != NULL ); xCode3DAsymLUT( pc3DAsymLUT ); } pc3DAsymLUT->setPPSBit( getNumberOfWrittenBits() - bits ); #endif break; #endif default: assert(pps_extension_flags[i]==false); // Should never get here with an active PPS extension flag. break; } // switch } // if flag present } // loop over PPS flags } // pps_extension_present_flag is non-zero } Void TEncCavlc::codeVUI( const TComVUI *pcVUI, const TComSPS* pcSPS ) { #if ENC_DEC_TRACE fprintf( g_hTrace, "----------- vui_parameters -----------\n"); #endif WRITE_FLAG(pcVUI->getAspectRatioInfoPresentFlag(), "aspect_ratio_info_present_flag"); if (pcVUI->getAspectRatioInfoPresentFlag()) { WRITE_CODE(pcVUI->getAspectRatioIdc(), 8, "aspect_ratio_idc" ); if (pcVUI->getAspectRatioIdc() == 255) { WRITE_CODE(pcVUI->getSarWidth(), 16, "sar_width"); WRITE_CODE(pcVUI->getSarHeight(), 16, "sar_height"); } } WRITE_FLAG(pcVUI->getOverscanInfoPresentFlag(), "overscan_info_present_flag"); if (pcVUI->getOverscanInfoPresentFlag()) { WRITE_FLAG(pcVUI->getOverscanAppropriateFlag(), "overscan_appropriate_flag"); } WRITE_FLAG(pcVUI->getVideoSignalTypePresentFlag(), "video_signal_type_present_flag"); if (pcVUI->getVideoSignalTypePresentFlag()) { WRITE_CODE(pcVUI->getVideoFormat(), 3, "video_format"); WRITE_FLAG(pcVUI->getVideoFullRangeFlag(), "video_full_range_flag"); WRITE_FLAG(pcVUI->getColourDescriptionPresentFlag(), "colour_description_present_flag"); if (pcVUI->getColourDescriptionPresentFlag()) { WRITE_CODE(pcVUI->getColourPrimaries(), 8, "colour_primaries"); WRITE_CODE(pcVUI->getTransferCharacteristics(), 8, "transfer_characteristics"); WRITE_CODE(pcVUI->getMatrixCoefficients(), 8, "matrix_coeffs"); } } WRITE_FLAG(pcVUI->getChromaLocInfoPresentFlag(), "chroma_loc_info_present_flag"); if (pcVUI->getChromaLocInfoPresentFlag()) { WRITE_UVLC(pcVUI->getChromaSampleLocTypeTopField(), "chroma_sample_loc_type_top_field"); WRITE_UVLC(pcVUI->getChromaSampleLocTypeBottomField(), "chroma_sample_loc_type_bottom_field"); } WRITE_FLAG(pcVUI->getNeutralChromaIndicationFlag(), "neutral_chroma_indication_flag"); WRITE_FLAG(pcVUI->getFieldSeqFlag(), "field_seq_flag"); WRITE_FLAG(pcVUI->getFrameFieldInfoPresentFlag(), "frame_field_info_present_flag"); Window defaultDisplayWindow = pcVUI->getDefaultDisplayWindow(); WRITE_FLAG(defaultDisplayWindow.getWindowEnabledFlag(), "default_display_window_flag"); if( defaultDisplayWindow.getWindowEnabledFlag() ) { WRITE_UVLC(defaultDisplayWindow.getWindowLeftOffset() / TComSPS::getWinUnitX(pcSPS->getChromaFormatIdc()), "def_disp_win_left_offset"); WRITE_UVLC(defaultDisplayWindow.getWindowRightOffset() / TComSPS::getWinUnitX(pcSPS->getChromaFormatIdc()), "def_disp_win_right_offset"); WRITE_UVLC(defaultDisplayWindow.getWindowTopOffset() / TComSPS::getWinUnitY(pcSPS->getChromaFormatIdc()), "def_disp_win_top_offset"); WRITE_UVLC(defaultDisplayWindow.getWindowBottomOffset()/ TComSPS::getWinUnitY(pcSPS->getChromaFormatIdc()), "def_disp_win_bottom_offset"); } const TimingInfo *timingInfo = pcVUI->getTimingInfo(); WRITE_FLAG(timingInfo->getTimingInfoPresentFlag(), "vui_timing_info_present_flag"); if(timingInfo->getTimingInfoPresentFlag()) { WRITE_CODE(timingInfo->getNumUnitsInTick(), 32, "vui_num_units_in_tick"); WRITE_CODE(timingInfo->getTimeScale(), 32, "vui_time_scale"); WRITE_FLAG(timingInfo->getPocProportionalToTimingFlag(), "vui_poc_proportional_to_timing_flag"); if(timingInfo->getPocProportionalToTimingFlag()) { WRITE_UVLC(timingInfo->getNumTicksPocDiffOneMinus1(), "vui_num_ticks_poc_diff_one_minus1"); } WRITE_FLAG(pcVUI->getHrdParametersPresentFlag(), "vui_hrd_parameters_present_flag"); if( pcVUI->getHrdParametersPresentFlag() ) { codeHrdParameters(pcVUI->getHrdParameters(), 1, pcSPS->getMaxTLayers() - 1 ); } } WRITE_FLAG(pcVUI->getBitstreamRestrictionFlag(), "bitstream_restriction_flag"); if (pcVUI->getBitstreamRestrictionFlag()) { WRITE_FLAG(pcVUI->getTilesFixedStructureFlag(), "tiles_fixed_structure_flag"); WRITE_FLAG(pcVUI->getMotionVectorsOverPicBoundariesFlag(), "motion_vectors_over_pic_boundaries_flag"); WRITE_FLAG(pcVUI->getRestrictedRefPicListsFlag(), "restricted_ref_pic_lists_flag"); WRITE_UVLC(pcVUI->getMinSpatialSegmentationIdc(), "min_spatial_segmentation_idc"); WRITE_UVLC(pcVUI->getMaxBytesPerPicDenom(), "max_bytes_per_pic_denom"); WRITE_UVLC(pcVUI->getMaxBitsPerMinCuDenom(), "max_bits_per_min_cu_denom"); WRITE_UVLC(pcVUI->getLog2MaxMvLengthHorizontal(), "log2_max_mv_length_horizontal"); WRITE_UVLC(pcVUI->getLog2MaxMvLengthVertical(), "log2_max_mv_length_vertical"); } } Void TEncCavlc::codeHrdParameters( const TComHRD *hrd, Bool commonInfPresentFlag, UInt maxNumSubLayersMinus1 ) { if( commonInfPresentFlag ) { WRITE_FLAG( hrd->getNalHrdParametersPresentFlag() ? 1 : 0 , "nal_hrd_parameters_present_flag" ); WRITE_FLAG( hrd->getVclHrdParametersPresentFlag() ? 1 : 0 , "vcl_hrd_parameters_present_flag" ); if( hrd->getNalHrdParametersPresentFlag() || hrd->getVclHrdParametersPresentFlag() ) { WRITE_FLAG( hrd->getSubPicCpbParamsPresentFlag() ? 1 : 0, "sub_pic_hrd_params_present_flag" ); if( hrd->getSubPicCpbParamsPresentFlag() ) { WRITE_CODE( hrd->getTickDivisorMinus2(), 8, "tick_divisor_minus2" ); WRITE_CODE( hrd->getDuCpbRemovalDelayLengthMinus1(), 5, "du_cpb_removal_delay_increment_length_minus1" ); WRITE_FLAG( hrd->getSubPicCpbParamsInPicTimingSEIFlag() ? 1 : 0, "sub_pic_cpb_params_in_pic_timing_sei_flag" ); WRITE_CODE( hrd->getDpbOutputDelayDuLengthMinus1(), 5, "dpb_output_delay_du_length_minus1" ); } WRITE_CODE( hrd->getBitRateScale(), 4, "bit_rate_scale" ); WRITE_CODE( hrd->getCpbSizeScale(), 4, "cpb_size_scale" ); if( hrd->getSubPicCpbParamsPresentFlag() ) { WRITE_CODE( hrd->getDuCpbSizeScale(), 4, "du_cpb_size_scale" ); } WRITE_CODE( hrd->getInitialCpbRemovalDelayLengthMinus1(), 5, "initial_cpb_removal_delay_length_minus1" ); WRITE_CODE( hrd->getCpbRemovalDelayLengthMinus1(), 5, "au_cpb_removal_delay_length_minus1" ); WRITE_CODE( hrd->getDpbOutputDelayLengthMinus1(), 5, "dpb_output_delay_length_minus1" ); } } Int i, j, nalOrVcl; for( i = 0; i <= maxNumSubLayersMinus1; i ++ ) { WRITE_FLAG( hrd->getFixedPicRateFlag( i ) ? 1 : 0, "fixed_pic_rate_general_flag"); Bool fixedPixRateWithinCvsFlag = true; if( !hrd->getFixedPicRateFlag( i ) ) { fixedPixRateWithinCvsFlag = hrd->getFixedPicRateWithinCvsFlag( i ); WRITE_FLAG( hrd->getFixedPicRateWithinCvsFlag( i ) ? 1 : 0, "fixed_pic_rate_within_cvs_flag"); } if( fixedPixRateWithinCvsFlag ) { WRITE_UVLC( hrd->getPicDurationInTcMinus1( i ), "elemental_duration_in_tc_minus1"); } else { WRITE_FLAG( hrd->getLowDelayHrdFlag( i ) ? 1 : 0, "low_delay_hrd_flag"); } if (!hrd->getLowDelayHrdFlag( i )) { WRITE_UVLC( hrd->getCpbCntMinus1( i ), "cpb_cnt_minus1"); } for( nalOrVcl = 0; nalOrVcl < 2; nalOrVcl ++ ) { if( ( ( nalOrVcl == 0 ) && ( hrd->getNalHrdParametersPresentFlag() ) ) || ( ( nalOrVcl == 1 ) && ( hrd->getVclHrdParametersPresentFlag() ) ) ) { for( j = 0; j <= ( hrd->getCpbCntMinus1( i ) ); j ++ ) { WRITE_UVLC( hrd->getBitRateValueMinus1( i, j, nalOrVcl ), "bit_rate_value_minus1"); WRITE_UVLC( hrd->getCpbSizeValueMinus1( i, j, nalOrVcl ), "cpb_size_value_minus1"); if( hrd->getSubPicCpbParamsPresentFlag() ) { WRITE_UVLC( hrd->getDuCpbSizeValueMinus1( i, j, nalOrVcl ), "cpb_size_du_value_minus1"); WRITE_UVLC( hrd->getDuBitRateValueMinus1( i, j, nalOrVcl ), "bit_rate_du_value_minus1"); } WRITE_FLAG( hrd->getCbrFlag( i, j, nalOrVcl ) ? 1 : 0, "cbr_flag"); } } } } } Void TEncCavlc::codeSPS( const TComSPS* pcSPS ) { #if SVC_EXTENSION Bool V1CompatibleSPSFlag = !(pcSPS->getLayerId() != 0 && pcSPS->getNumDirectRefLayers() != 0); #endif const ChromaFormat format = pcSPS->getChromaFormatIdc(); const Bool chromaEnabled = isChromaEnabled(format); #if ENC_DEC_TRACE xTraceSPSHeader (pcSPS); #endif WRITE_CODE( pcSPS->getVPSId (), 4, "sps_video_parameter_set_id" ); #if SVC_EXTENSION if(pcSPS->getLayerId() == 0) { #endif WRITE_CODE( pcSPS->getMaxTLayers() - 1, 3, "sps_max_sub_layers_minus1" ); #if SVC_EXTENSION } else { WRITE_CODE( V1CompatibleSPSFlag ? (pcSPS->getMaxTLayers() - 1) : 7, 3, "sps_ext_or_max_sub_layers_minus1" ); } if( V1CompatibleSPSFlag ) { #endif WRITE_FLAG( pcSPS->getTemporalIdNestingFlag() ? 1 : 0, "sps_temporal_id_nesting_flag" ); codePTL(pcSPS->getPTL(), 1, pcSPS->getMaxTLayers() - 1); #if SVC_EXTENSION } #endif WRITE_UVLC( pcSPS->getSPSId (), "sps_seq_parameter_set_id" ); #if SVC_EXTENSION if( !V1CompatibleSPSFlag ) { WRITE_FLAG( pcSPS->getUpdateRepFormatFlag(), "update_rep_format_flag" ); if( pcSPS->getUpdateRepFormatFlag()) { WRITE_CODE( pcSPS->getUpdateRepFormatIndex(), 8, "sps_rep_format_idx"); } } else { #endif WRITE_UVLC( Int(pcSPS->getChromaFormatIdc ()), "chroma_format_idc" ); if( format == CHROMA_444 ) { WRITE_FLAG( 0, "separate_colour_plane_flag"); } WRITE_UVLC( pcSPS->getPicWidthInLumaSamples (), "pic_width_in_luma_samples" ); WRITE_UVLC( pcSPS->getPicHeightInLumaSamples(), "pic_height_in_luma_samples" ); Window conf = pcSPS->getConformanceWindow(); WRITE_FLAG( conf.getWindowEnabledFlag(), "conformance_window_flag" ); if (conf.getWindowEnabledFlag()) { #if SVC_EXTENSION WRITE_UVLC( conf.getWindowLeftOffset(), "conf_win_left_offset" ); WRITE_UVLC( conf.getWindowRightOffset(), "conf_win_right_offset" ); WRITE_UVLC( conf.getWindowTopOffset(), "conf_win_top_offset" ); WRITE_UVLC( conf.getWindowBottomOffset(), "conf_win_bottom_offset" ); #else WRITE_UVLC( conf.getWindowLeftOffset() / TComSPS::getWinUnitX(pcSPS->getChromaFormatIdc() ), "conf_win_left_offset" ); WRITE_UVLC( conf.getWindowRightOffset() / TComSPS::getWinUnitX(pcSPS->getChromaFormatIdc() ), "conf_win_right_offset" ); WRITE_UVLC( conf.getWindowTopOffset() / TComSPS::getWinUnitY(pcSPS->getChromaFormatIdc() ), "conf_win_top_offset" ); WRITE_UVLC( conf.getWindowBottomOffset() / TComSPS::getWinUnitY(pcSPS->getChromaFormatIdc() ), "conf_win_bottom_offset" ); #endif } #if SVC_EXTENSION } if( V1CompatibleSPSFlag ) { #endif WRITE_UVLC( pcSPS->getBitDepth(CHANNEL_TYPE_LUMA) - 8, "bit_depth_luma_minus8" ); WRITE_UVLC( chromaEnabled ? (pcSPS->getBitDepth(CHANNEL_TYPE_CHROMA) - 8):0, "bit_depth_chroma_minus8" ); #if SVC_EXTENSION } #endif WRITE_UVLC( pcSPS->getBitsForPOC()-4, "log2_max_pic_order_cnt_lsb_minus4" ); #if SVC_EXTENSION if( V1CompatibleSPSFlag ) { #endif const Bool subLayerOrderingInfoPresentFlag = 1; WRITE_FLAG(subLayerOrderingInfoPresentFlag, "sps_sub_layer_ordering_info_present_flag"); for(UInt i=0; i <= pcSPS->getMaxTLayers()-1; i++) { WRITE_UVLC( pcSPS->getMaxDecPicBuffering(i) - 1, "sps_max_dec_pic_buffering_minus1[i]" ); WRITE_UVLC( pcSPS->getNumReorderPics(i), "sps_max_num_reorder_pics[i]" ); WRITE_UVLC( pcSPS->getMaxLatencyIncrease(i), "sps_max_latency_increase_plus1[i]" ); if (!subLayerOrderingInfoPresentFlag) { break; } } #if SVC_EXTENSION } #endif assert( pcSPS->getMaxCUWidth() == pcSPS->getMaxCUHeight() ); WRITE_UVLC( pcSPS->getLog2MinCodingBlockSize() - 3, "log2_min_luma_coding_block_size_minus3" ); WRITE_UVLC( pcSPS->getLog2DiffMaxMinCodingBlockSize(), "log2_diff_max_min_luma_coding_block_size" ); WRITE_UVLC( pcSPS->getQuadtreeTULog2MinSize() - 2, "log2_min_luma_transform_block_size_minus2" ); WRITE_UVLC( pcSPS->getQuadtreeTULog2MaxSize() - pcSPS->getQuadtreeTULog2MinSize(), "log2_diff_max_min_luma_transform_block_size" ); WRITE_UVLC( pcSPS->getQuadtreeTUMaxDepthInter() - 1, "max_transform_hierarchy_depth_inter" ); WRITE_UVLC( pcSPS->getQuadtreeTUMaxDepthIntra() - 1, "max_transform_hierarchy_depth_intra" ); WRITE_FLAG( pcSPS->getScalingListFlag() ? 1 : 0, "scaling_list_enabled_flag" ); if(pcSPS->getScalingListFlag()) { #if SVC_EXTENSION if( !V1CompatibleSPSFlag ) { WRITE_FLAG( pcSPS->getInferScalingListFlag() ? 1 : 0, "sps_infer_scaling_list_flag" ); } if( pcSPS->getInferScalingListFlag() ) { // The value of pps_scaling_list_ref_layer_id shall be in the range of 0 to 62, inclusive assert( pcSPS->getScalingListRefLayerId() <= 62 ); WRITE_CODE( pcSPS->getScalingListRefLayerId(), 6, "sps_scaling_list_ref_layer_id" ); } else { #endif WRITE_FLAG( pcSPS->getScalingListPresentFlag() ? 1 : 0, "sps_scaling_list_data_present_flag" ); if(pcSPS->getScalingListPresentFlag()) { codeScalingList( pcSPS->getScalingList() ); } #if SVC_EXTENSION } #endif } WRITE_FLAG( pcSPS->getUseAMP() ? 1 : 0, "amp_enabled_flag" ); WRITE_FLAG( pcSPS->getUseSAO() ? 1 : 0, "sample_adaptive_offset_enabled_flag"); WRITE_FLAG( pcSPS->getUsePCM() ? 1 : 0, "pcm_enabled_flag"); if( pcSPS->getUsePCM() ) { WRITE_CODE( pcSPS->getPCMBitDepth(CHANNEL_TYPE_LUMA) - 1, 4, "pcm_sample_bit_depth_luma_minus1" ); WRITE_CODE( chromaEnabled ? (pcSPS->getPCMBitDepth(CHANNEL_TYPE_CHROMA) - 1) : 0, 4, "pcm_sample_bit_depth_chroma_minus1" ); WRITE_UVLC( pcSPS->getPCMLog2MinSize() - 3, "log2_min_pcm_luma_coding_block_size_minus3" ); WRITE_UVLC( pcSPS->getPCMLog2MaxSize() - pcSPS->getPCMLog2MinSize(), "log2_diff_max_min_pcm_luma_coding_block_size" ); WRITE_FLAG( pcSPS->getPCMFilterDisableFlag()?1 : 0, "pcm_loop_filter_disable_flag"); } assert( pcSPS->getMaxTLayers() > 0 ); const TComRPSList* rpsList = pcSPS->getRPSList(); WRITE_UVLC(rpsList->getNumberOfReferencePictureSets(), "num_short_term_ref_pic_sets" ); for(Int i=0; i < rpsList->getNumberOfReferencePictureSets(); i++) { const TComReferencePictureSet*rps = rpsList->getReferencePictureSet(i); codeShortTermRefPicSet( rps,false, i); } WRITE_FLAG( pcSPS->getLongTermRefsPresent() ? 1 : 0, "long_term_ref_pics_present_flag" ); if (pcSPS->getLongTermRefsPresent()) { WRITE_UVLC(pcSPS->getNumLongTermRefPicSPS(), "num_long_term_ref_pics_sps" ); for (UInt k = 0; k < pcSPS->getNumLongTermRefPicSPS(); k++) { WRITE_CODE( pcSPS->getLtRefPicPocLsbSps(k), pcSPS->getBitsForPOC(), "lt_ref_pic_poc_lsb_sps"); WRITE_FLAG( pcSPS->getUsedByCurrPicLtSPSFlag(k), "used_by_curr_pic_lt_sps_flag[i]"); } } WRITE_FLAG( pcSPS->getTMVPFlagsPresent() ? 1 : 0, "sps_temporal_mvp_enable_flag" ); WRITE_FLAG( pcSPS->getUseStrongIntraSmoothing(), "sps_strong_intra_smoothing_enable_flag" ); WRITE_FLAG( pcSPS->getVuiParametersPresentFlag(), "vui_parameters_present_flag" ); if (pcSPS->getVuiParametersPresentFlag()) { codeVUI(pcSPS->getVuiParameters(), pcSPS); } Bool sps_extension_present_flag=false; Bool sps_extension_flags[NUM_SPS_EXTENSION_FLAGS]={false}; sps_extension_flags[SPS_EXT__REXT] = pcSPS->getSpsRangeExtension().settingsDifferFromDefaults(); // Other SPS extension flags checked here. #if SVC_EXTENSION sps_extension_flags[SPS_EXT__MLAYER] = pcSPS->getExtensionFlag() ? 1 : 0; #endif for(Int i=0; igetSpsRangeExtension(); WRITE_FLAG( (spsRangeExtension.getTransformSkipRotationEnabledFlag() ? 1 : 0), "transform_skip_rotation_enabled_flag"); WRITE_FLAG( (spsRangeExtension.getTransformSkipContextEnabledFlag() ? 1 : 0), "transform_skip_context_enabled_flag"); WRITE_FLAG( (spsRangeExtension.getRdpcmEnabledFlag(RDPCM_SIGNAL_IMPLICIT) ? 1 : 0), "implicit_rdpcm_enabled_flag" ); WRITE_FLAG( (spsRangeExtension.getRdpcmEnabledFlag(RDPCM_SIGNAL_EXPLICIT) ? 1 : 0), "explicit_rdpcm_enabled_flag" ); WRITE_FLAG( (spsRangeExtension.getExtendedPrecisionProcessingFlag() ? 1 : 0), "extended_precision_processing_flag" ); WRITE_FLAG( (spsRangeExtension.getIntraSmoothingDisabledFlag() ? 1 : 0), "intra_smoothing_disabled_flag" ); WRITE_FLAG( (spsRangeExtension.getHighPrecisionOffsetsEnabledFlag() ? 1 : 0), "high_precision_offsets_enabled_flag" ); WRITE_FLAG( (spsRangeExtension.getPersistentRiceAdaptationEnabledFlag() ? 1 : 0), "persistent_rice_adaptation_enabled_flag" ); WRITE_FLAG( (spsRangeExtension.getCabacBypassAlignmentEnabledFlag() ? 1 : 0), "cabac_bypass_alignment_enabled_flag" ); break; } #if SVC_EXTENSION case SPS_EXT__MLAYER: codeSPSExtension( pcSPS ); //it is sps_multilayer_extension break; #endif default: assert(sps_extension_flags[i]==false); // Should never get here with an active SPS extension flag. break; } } } } } Void TEncCavlc::codeVPS( const TComVPS* pcVPS ) { WRITE_CODE( pcVPS->getVPSId(), 4, "vps_video_parameter_set_id" ); #if SVC_EXTENSION WRITE_FLAG( pcVPS->getBaseLayerInternalFlag(), "vps_base_layer_internal_flag"); WRITE_FLAG( pcVPS->getBaseLayerAvailableFlag(), "vps_base_layer_available_flag"); WRITE_CODE( pcVPS->getMaxLayers() - 1, 6, "vps_max_layers_minus1" ); assert( pcVPS->getBaseLayerInternalFlag() || pcVPS->getMaxLayers() > 1 ); #else WRITE_FLAG( 1, "vps_base_layer_internal_flag" ); WRITE_FLAG( 1, "vps_base_layer_available_flag" ); WRITE_CODE( 0, 6, "vps_max_layers_minus1" ); #endif WRITE_CODE( pcVPS->getMaxTLayers() - 1, 3, "vps_max_sub_layers_minus1" ); WRITE_FLAG( pcVPS->getTemporalNestingFlag(), "vps_temporal_id_nesting_flag" ); assert (pcVPS->getMaxTLayers()>1||pcVPS->getTemporalNestingFlag()); WRITE_CODE( 0xffff, 16, "vps_reserved_0xffff_16bits" ); codePTL( pcVPS->getPTL(), true, pcVPS->getMaxTLayers() - 1 ); const Bool subLayerOrderingInfoPresentFlag = 1; WRITE_FLAG(subLayerOrderingInfoPresentFlag, "vps_sub_layer_ordering_info_present_flag"); for(UInt i=0; i <= pcVPS->getMaxTLayers()-1; i++) { WRITE_UVLC( pcVPS->getMaxDecPicBuffering(i) - 1, "vps_max_dec_pic_buffering_minus1[i]" ); WRITE_UVLC( pcVPS->getNumReorderPics(i), "vps_max_num_reorder_pics[i]" ); WRITE_UVLC( pcVPS->getMaxLatencyIncrease(i), "vps_max_latency_increase_plus1[i]" ); if (!subLayerOrderingInfoPresentFlag) { break; } } #if SVC_EXTENSION assert( pcVPS->getNumHrdParameters() <= MAX_VPS_LAYER_SETS_PLUS1 ); assert( pcVPS->getMaxLayerId() < MAX_VPS_LAYER_IDX_PLUS1 ); WRITE_CODE( pcVPS->getMaxLayerId(), 6, "vps_max_layer_id" ); WRITE_UVLC(pcVPS->getVpsNumLayerSetsMinus1(), "vps_num_layer_sets_minus1"); for( UInt opsIdx = 1; opsIdx <= pcVPS->getVpsNumLayerSetsMinus1(); opsIdx++ ) { // Operation point set for( UInt i = 0; i <= pcVPS->getMaxLayerId(); i ++ ) { #else assert( pcVPS->getNumHrdParameters() <= MAX_VPS_NUM_HRD_PARAMETERS ); assert( pcVPS->getMaxNuhReservedZeroLayerId() < MAX_VPS_NUH_RESERVED_ZERO_LAYER_ID_PLUS1 ); WRITE_CODE( pcVPS->getMaxNuhReservedZeroLayerId(), 6, "vps_max_layer_id" ); WRITE_UVLC( pcVPS->getMaxOpSets() - 1, "vps_num_layer_sets_minus1" ); for( UInt opsIdx = 1; opsIdx <= ( pcVPS->getMaxOpSets() - 1 ); opsIdx ++ ) { // Operation point set for( UInt i = 0; i <= pcVPS->getMaxNuhReservedZeroLayerId(); i ++ ) { // Only applicable for version 1 // pcVPS->setLayerIdIncludedFlag( true, opsIdx, i ); #endif WRITE_FLAG( pcVPS->getLayerIdIncludedFlag( opsIdx, i ) ? 1 : 0, "layer_id_included_flag[opsIdx][i]" ); } } const TimingInfo *timingInfo = pcVPS->getTimingInfo(); WRITE_FLAG(timingInfo->getTimingInfoPresentFlag(), "vps_timing_info_present_flag"); if(timingInfo->getTimingInfoPresentFlag()) { WRITE_CODE(timingInfo->getNumUnitsInTick(), 32, "vps_num_units_in_tick"); WRITE_CODE(timingInfo->getTimeScale(), 32, "vps_time_scale"); WRITE_FLAG(timingInfo->getPocProportionalToTimingFlag(), "vps_poc_proportional_to_timing_flag"); if(timingInfo->getPocProportionalToTimingFlag()) { WRITE_UVLC(timingInfo->getNumTicksPocDiffOneMinus1(), "vps_num_ticks_poc_diff_one_minus1"); } WRITE_UVLC( pcVPS->getNumHrdParameters(), "vps_num_hrd_parameters" ); if( pcVPS->getNumHrdParameters() > 0 ) { for( UInt i = 0; i < pcVPS->getNumHrdParameters(); i ++ ) { // Only applicable for version 1 WRITE_UVLC( pcVPS->getHrdOpSetIdx( i ), "hrd_layer_set_idx" ); if( i > 0 ) { WRITE_FLAG( pcVPS->getCprmsPresentFlag( i ) ? 1 : 0, "cprms_present_flag[i]" ); } codeHrdParameters(pcVPS->getHrdParameters(i), pcVPS->getCprmsPresentFlag( i ), pcVPS->getMaxTLayers() - 1); } } } #if SVC_EXTENSION // When MaxLayersMinus1 is greater than 0, vps_extension_flag shall be equal to 1. if( pcVPS->getMaxLayers() > 1 ) { assert( pcVPS->getVpsExtensionFlag() == true ); } WRITE_FLAG( pcVPS->getVpsExtensionFlag() ? 1 : 0, "vps_extension_flag" ); if( pcVPS->getVpsExtensionFlag() ) { while ( m_pcBitIf->getNumberOfWrittenBits() % 8 != 0 ) { WRITE_FLAG(1, "vps_extension_alignment_bit_equal_to_one"); } codeVPSExtension(pcVPS); WRITE_FLAG( 0, "vps_extension2_flag" ); // Flag value of 1 reserved } #else WRITE_FLAG( 0, "vps_extension_flag" ); #endif //future extensions here.. return; } Void TEncCavlc::codeSliceHeader ( TComSlice* pcSlice ) { #if ENC_DEC_TRACE xTraceSliceHeader (pcSlice); #endif const ChromaFormat format = pcSlice->getSPS()->getChromaFormatIdc(); const UInt numberValidComponents = getNumberValidComponents(format); const Bool chromaEnabled = isChromaEnabled(format); //calculate number of bits required for slice address Int maxSliceSegmentAddress = pcSlice->getPic()->getNumberOfCtusInFrame(); Int bitsSliceSegmentAddress = 0; while(maxSliceSegmentAddress>(1<getSliceSegmentCurStartCtuTsAddr(); //write slice address const Int sliceSegmentRsAddress = pcSlice->getPic()->getPicSym()->getCtuTsToRsAddrMap(ctuTsAddress); WRITE_FLAG( sliceSegmentRsAddress==0, "first_slice_segment_in_pic_flag" ); if ( pcSlice->getRapPicFlag() ) { WRITE_FLAG( pcSlice->getNoOutputPriorPicsFlag() ? 1 : 0, "no_output_of_prior_pics_flag" ); } WRITE_UVLC( pcSlice->getPPS()->getPPSId(), "slice_pic_parameter_set_id" ); if ( pcSlice->getPPS()->getDependentSliceSegmentsEnabledFlag() && (sliceSegmentRsAddress!=0) ) { WRITE_FLAG( pcSlice->getDependentSliceSegmentFlag() ? 1 : 0, "dependent_slice_segment_flag" ); } if(sliceSegmentRsAddress>0) { WRITE_CODE( sliceSegmentRsAddress, bitsSliceSegmentAddress, "slice_segment_address" ); } if ( !pcSlice->getDependentSliceSegmentFlag() ) { #if SVC_EXTENSION Int iBits = 0; if(pcSlice->getPPS()->getNumExtraSliceHeaderBits() > iBits) { assert(!!"discardable_flag"); if (pcSlice->getDiscardableFlag()) { assert(pcSlice->getNalUnitType() != NAL_UNIT_CODED_SLICE_TRAIL_R && pcSlice->getNalUnitType() != NAL_UNIT_CODED_SLICE_TSA_R && pcSlice->getNalUnitType() != NAL_UNIT_CODED_SLICE_STSA_R && pcSlice->getNalUnitType() != NAL_UNIT_CODED_SLICE_RADL_R && pcSlice->getNalUnitType() != NAL_UNIT_CODED_SLICE_RASL_R); } WRITE_FLAG(pcSlice->getDiscardableFlag(), "discardable_flag"); iBits++; } if( pcSlice->getPPS()->getNumExtraSliceHeaderBits() > iBits ) { assert(!!"cross_layer_bla_flag"); WRITE_FLAG(pcSlice->getCrossLayerBLAFlag(), "cross_layer_bla_flag"); iBits++; } for (; iBits < pcSlice->getPPS()->getNumExtraSliceHeaderBits(); iBits++) { assert(!!"slice_reserved_undetermined_flag[]"); WRITE_FLAG(0, "slice_reserved_undetermined_flag[]"); } #else //SVC_EXTENSION for (Int i = 0; i < pcSlice->getPPS()->getNumExtraSliceHeaderBits(); i++) { WRITE_FLAG(0, "slice_reserved_flag[]"); } #endif //SVC_EXTENSION WRITE_UVLC( pcSlice->getSliceType(), "slice_type" ); if( pcSlice->getPPS()->getOutputFlagPresentFlag() ) { WRITE_FLAG( pcSlice->getPicOutputFlag() ? 1 : 0, "pic_output_flag" ); } #if SVC_EXTENSION if( (pcSlice->getLayerId() > 0 && !pcSlice->getVPS()->getPocLsbNotPresentFlag( pcSlice->getVPS()->getLayerIdxInVps(pcSlice->getLayerId())) ) || !pcSlice->getIdrPicFlag()) #else if( !pcSlice->getIdrPicFlag() ) #endif { #if SVC_POC Int picOrderCntLSB; if( pcSlice->getPocResetIdc() == 2 ) // i.e. the LSB is reset { picOrderCntLSB = pcSlice->getPicOrderCntLsb(); // This will be the LSB value w.r.t to the previous POC reset period. } else { picOrderCntLSB = (pcSlice->getPOC() + (1<getSPS()->getBitsForPOC())) & ((1<getSPS()->getBitsForPOC())-1); } #else Int picOrderCntLSB = (pcSlice->getPOC()-pcSlice->getLastIDR()+(1<getSPS()->getBitsForPOC())) & ((1<getSPS()->getBitsForPOC())-1); #endif WRITE_CODE( picOrderCntLSB, pcSlice->getSPS()->getBitsForPOC(), "slice_pic_order_cnt_lsb"); #if SVC_EXTENSION } if( !pcSlice->getIdrPicFlag() ) { #endif const TComReferencePictureSet* rps = pcSlice->getRPS(); // check for bitstream restriction stating that: // If the current picture is a BLA or CRA picture, the value of NumPocTotalCurr shall be equal to 0. // Ideally this process should not be repeated for each slice in a picture #if SVC_EXTENSION if( pcSlice->getLayerId() == 0 ) #endif if (pcSlice->isIRAP()) { for (Int picIdx = 0; picIdx < rps->getNumberOfPictures(); picIdx++) { assert (!rps->getUsed(picIdx)); } } if(pcSlice->getRPSidx() < 0) { WRITE_FLAG( 0, "short_term_ref_pic_set_sps_flag"); codeShortTermRefPicSet( rps, true, pcSlice->getSPS()->getRPSList()->getNumberOfReferencePictureSets()); } else { WRITE_FLAG( 1, "short_term_ref_pic_set_sps_flag"); Int numBits = 0; while ((1 << numBits) < pcSlice->getSPS()->getRPSList()->getNumberOfReferencePictureSets()) { numBits++; } if (numBits > 0) { WRITE_CODE( pcSlice->getRPSidx(), numBits, "short_term_ref_pic_set_idx" ); } } if(pcSlice->getSPS()->getLongTermRefsPresent()) { Int numLtrpInSH = rps->getNumberOfLongtermPictures(); Int ltrpInSPS[MAX_NUM_REF_PICS]; Int numLtrpInSPS = 0; UInt ltrpIndex; Int counter = 0; // WARNING: The following code only works only if a matching long-term RPS is // found in the SPS for ALL long-term pictures // The problem is that the SPS coded long-term pictures are moved to the // beginning of the list which causes a mismatch when no reference picture // list reordering is used // NB: Long-term coding is currently not supported in general by the HM encoder for(Int k = rps->getNumberOfPictures()-1; k > rps->getNumberOfPictures()-rps->getNumberOfLongtermPictures()-1; k--) { if (findMatchingLTRP(pcSlice, <rpIndex, rps->getPOC(k), rps->getUsed(k))) { ltrpInSPS[numLtrpInSPS] = ltrpIndex; numLtrpInSPS++; } else { counter++; } } numLtrpInSH -= numLtrpInSPS; // check that either all long-term pictures are coded in SPS or in slice header (no mixing) assert (numLtrpInSH==0 || numLtrpInSPS==0); Int bitsForLtrpInSPS = 0; while (pcSlice->getSPS()->getNumLongTermRefPicSPS() > (1 << bitsForLtrpInSPS)) { bitsForLtrpInSPS++; } if (pcSlice->getSPS()->getNumLongTermRefPicSPS() > 0) { WRITE_UVLC( numLtrpInSPS, "num_long_term_sps"); } WRITE_UVLC( numLtrpInSH, "num_long_term_pics"); // Note that the LSBs of the LT ref. pic. POCs must be sorted before. // Not sorted here because LT ref indices will be used in setRefPicList() Int prevDeltaMSB = 0, prevLSB = 0; Int offset = rps->getNumberOfNegativePictures() + rps->getNumberOfPositivePictures(); counter = 0; // Warning: If some pictures are moved to ltrpInSPS, i is referring to a wrong index // (mapping would be required) for(Int i=rps->getNumberOfPictures()-1 ; i > offset-1; i--, counter++) { if (counter < numLtrpInSPS) { if (bitsForLtrpInSPS > 0) { WRITE_CODE( ltrpInSPS[counter], bitsForLtrpInSPS, "lt_idx_sps[i]"); } } else { WRITE_CODE( rps->getPocLSBLT(i), pcSlice->getSPS()->getBitsForPOC(), "poc_lsb_lt"); WRITE_FLAG( rps->getUsed(i), "used_by_curr_pic_lt_flag"); } WRITE_FLAG( rps->getDeltaPocMSBPresentFlag(i), "delta_poc_msb_present_flag"); if(rps->getDeltaPocMSBPresentFlag(i)) { Bool deltaFlag = false; // First LTRP from SPS || First LTRP from SH || curr LSB != prev LSB if( (i == rps->getNumberOfPictures()-1) || (i == rps->getNumberOfPictures()-1-numLtrpInSPS) || (rps->getPocLSBLT(i) != prevLSB) ) { deltaFlag = true; } if(deltaFlag) { WRITE_UVLC( rps->getDeltaPocMSBCycleLT(i), "delta_poc_msb_cycle_lt[i]" ); } else { Int differenceInDeltaMSB = rps->getDeltaPocMSBCycleLT(i) - prevDeltaMSB; assert(differenceInDeltaMSB >= 0); WRITE_UVLC( differenceInDeltaMSB, "delta_poc_msb_cycle_lt[i]" ); } prevLSB = rps->getPocLSBLT(i); prevDeltaMSB = rps->getDeltaPocMSBCycleLT(i); } } } if (pcSlice->getSPS()->getTMVPFlagsPresent()) { WRITE_FLAG( pcSlice->getEnableTMVPFlag() ? 1 : 0, "slice_temporal_mvp_enabled_flag" ); } } #if SVC_EXTENSION if((pcSlice->getLayerId() > 0) && !(pcSlice->getVPS()->getIlpSshSignalingEnabledFlag()) && (pcSlice->getNumILRRefIdx() > 0) ) { WRITE_FLAG(pcSlice->getInterLayerPredEnabledFlag(),"inter_layer_pred_enabled_flag"); if( pcSlice->getInterLayerPredEnabledFlag()) { if(pcSlice->getNumILRRefIdx() > 1) { Int numBits = 1; while ((1 << numBits) < pcSlice->getNumILRRefIdx()) { numBits++; } if( !pcSlice->getVPS()->getMaxOneActiveRefLayerFlag()) { WRITE_CODE(pcSlice->getActiveNumILRRefIdx() - 1, numBits,"num_inter_layer_ref_pics_minus1"); } if( pcSlice->getNumILRRefIdx() != pcSlice->getActiveNumILRRefIdx() ) { for(Int i = 0; i < pcSlice->getActiveNumILRRefIdx(); i++ ) { WRITE_CODE(pcSlice->getInterLayerPredLayerIdc(i),numBits,"inter_layer_pred_layer_idc[i]"); } } } } } #endif //SVC_EXTENSION if(pcSlice->getSPS()->getUseSAO()) { WRITE_FLAG( pcSlice->getSaoEnabledFlag(CHANNEL_TYPE_LUMA), "slice_sao_luma_flag" ); if (chromaEnabled) { WRITE_FLAG( pcSlice->getSaoEnabledFlag(CHANNEL_TYPE_CHROMA), "slice_sao_chroma_flag" ); } } //check if numrefidxes match the defaults. If not, override if (!pcSlice->isIntra()) { Bool overrideFlag = (pcSlice->getNumRefIdx( REF_PIC_LIST_0 )!=pcSlice->getPPS()->getNumRefIdxL0DefaultActive()||(pcSlice->isInterB()&&pcSlice->getNumRefIdx( REF_PIC_LIST_1 )!=pcSlice->getPPS()->getNumRefIdxL1DefaultActive())); WRITE_FLAG( overrideFlag ? 1 : 0, "num_ref_idx_active_override_flag"); if (overrideFlag) { WRITE_UVLC( pcSlice->getNumRefIdx( REF_PIC_LIST_0 ) - 1, "num_ref_idx_l0_active_minus1" ); if (pcSlice->isInterB()) { WRITE_UVLC( pcSlice->getNumRefIdx( REF_PIC_LIST_1 ) - 1, "num_ref_idx_l1_active_minus1" ); } else { pcSlice->setNumRefIdx(REF_PIC_LIST_1, 0); } } } else { pcSlice->setNumRefIdx(REF_PIC_LIST_0, 0); pcSlice->setNumRefIdx(REF_PIC_LIST_1, 0); } if( pcSlice->getPPS()->getListsModificationPresentFlag() && pcSlice->getNumRpsCurrTempList() > 1) { TComRefPicListModification* refPicListModification = pcSlice->getRefPicListModification(); if(!pcSlice->isIntra()) { WRITE_FLAG(pcSlice->getRefPicListModification()->getRefPicListModificationFlagL0() ? 1 : 0, "ref_pic_list_modification_flag_l0" ); if (pcSlice->getRefPicListModification()->getRefPicListModificationFlagL0()) { Int numRpsCurrTempList0 = pcSlice->getNumRpsCurrTempList(); if (numRpsCurrTempList0 > 1) { Int length = 1; numRpsCurrTempList0 --; while ( numRpsCurrTempList0 >>= 1) { length ++; } for(Int i = 0; i < pcSlice->getNumRefIdx( REF_PIC_LIST_0 ); i++) { WRITE_CODE( refPicListModification->getRefPicSetIdxL0(i), length, "list_entry_l0"); } } } } if(pcSlice->isInterB()) { WRITE_FLAG(pcSlice->getRefPicListModification()->getRefPicListModificationFlagL1() ? 1 : 0, "ref_pic_list_modification_flag_l1" ); if (pcSlice->getRefPicListModification()->getRefPicListModificationFlagL1()) { Int numRpsCurrTempList1 = pcSlice->getNumRpsCurrTempList(); if ( numRpsCurrTempList1 > 1 ) { Int length = 1; numRpsCurrTempList1 --; while ( numRpsCurrTempList1 >>= 1) { length ++; } for(Int i = 0; i < pcSlice->getNumRefIdx( REF_PIC_LIST_1 ); i++) { WRITE_CODE( refPicListModification->getRefPicSetIdxL1(i), length, "list_entry_l1"); } } } } } if (pcSlice->isInterB()) { WRITE_FLAG( pcSlice->getMvdL1ZeroFlag() ? 1 : 0, "mvd_l1_zero_flag"); } if(!pcSlice->isIntra()) { if (!pcSlice->isIntra() && pcSlice->getPPS()->getCabacInitPresentFlag()) { SliceType sliceType = pcSlice->getSliceType(); SliceType encCABACTableIdx = pcSlice->getEncCABACTableIdx(); Bool encCabacInitFlag = (sliceType!=encCABACTableIdx && encCABACTableIdx!=I_SLICE) ? true : false; pcSlice->setCabacInitFlag( encCabacInitFlag ); WRITE_FLAG( encCabacInitFlag?1:0, "cabac_init_flag" ); } } if ( pcSlice->getEnableTMVPFlag() ) { if ( pcSlice->getSliceType() == B_SLICE ) { WRITE_FLAG( pcSlice->getColFromL0Flag(), "collocated_from_l0_flag" ); } if ( pcSlice->getSliceType() != I_SLICE && ((pcSlice->getColFromL0Flag()==1 && pcSlice->getNumRefIdx(REF_PIC_LIST_0)>1)|| (pcSlice->getColFromL0Flag()==0 && pcSlice->getNumRefIdx(REF_PIC_LIST_1)>1))) { WRITE_UVLC( pcSlice->getColRefIdx(), "collocated_ref_idx" ); } } if ( (pcSlice->getPPS()->getUseWP() && pcSlice->getSliceType()==P_SLICE) || (pcSlice->getPPS()->getWPBiPred() && pcSlice->getSliceType()==B_SLICE) ) { xCodePredWeightTable( pcSlice ); } assert(pcSlice->getMaxNumMergeCand()<=MRG_MAX_NUM_CANDS); if (!pcSlice->isIntra()) { WRITE_UVLC(MRG_MAX_NUM_CANDS - pcSlice->getMaxNumMergeCand(), "five_minus_max_num_merge_cand"); } Int iCode = pcSlice->getSliceQp() - ( pcSlice->getPPS()->getPicInitQPMinus26() + 26 ); WRITE_SVLC( iCode, "slice_qp_delta" ); if (pcSlice->getPPS()->getSliceChromaQpFlag()) { if (numberValidComponents > COMPONENT_Cb) { WRITE_SVLC( pcSlice->getSliceChromaQpDelta(COMPONENT_Cb), "slice_cb_qp_offset" ); } if (numberValidComponents > COMPONENT_Cr) { WRITE_SVLC( pcSlice->getSliceChromaQpDelta(COMPONENT_Cr), "slice_cr_qp_offset" ); } assert(numberValidComponents <= COMPONENT_Cr+1); } if (pcSlice->getPPS()->getPpsRangeExtension().getChromaQpOffsetListEnabledFlag()) { WRITE_FLAG(pcSlice->getUseChromaQpAdj(), "cu_chroma_qp_offset_enabled_flag"); } if (pcSlice->getPPS()->getDeblockingFilterControlPresentFlag()) { if (pcSlice->getPPS()->getDeblockingFilterOverrideEnabledFlag() ) { WRITE_FLAG(pcSlice->getDeblockingFilterOverrideFlag(), "deblocking_filter_override_flag"); } if (pcSlice->getDeblockingFilterOverrideFlag()) { WRITE_FLAG(pcSlice->getDeblockingFilterDisable(), "slice_disable_deblocking_filter_flag"); if(!pcSlice->getDeblockingFilterDisable()) { WRITE_SVLC (pcSlice->getDeblockingFilterBetaOffsetDiv2(), "slice_beta_offset_div2"); WRITE_SVLC (pcSlice->getDeblockingFilterTcOffsetDiv2(), "slice_tc_offset_div2"); } } } Bool isSAOEnabled = pcSlice->getSPS()->getUseSAO() && (pcSlice->getSaoEnabledFlag(CHANNEL_TYPE_LUMA) || (chromaEnabled && pcSlice->getSaoEnabledFlag(CHANNEL_TYPE_CHROMA))); Bool isDBFEnabled = (!pcSlice->getDeblockingFilterDisable()); if(pcSlice->getPPS()->getLoopFilterAcrossSlicesEnabledFlag() && ( isSAOEnabled || isDBFEnabled )) { WRITE_FLAG(pcSlice->getLFCrossSliceBoundaryFlag()?1:0, "slice_loop_filter_across_slices_enabled_flag"); } } #if !SVC_EXTENSION if(pcSlice->getPPS()->getSliceHeaderExtensionPresentFlag()) { WRITE_UVLC(0,"slice_segment_header_extension_length"); } #endif } Void TEncCavlc::codePTL( const TComPTL* pcPTL, Bool profilePresentFlag, Int maxNumSubLayersMinus1) { if(profilePresentFlag) { codeProfileTier(pcPTL->getGeneralPTL(), false); // general_... } WRITE_CODE( Int(pcPTL->getGeneralPTL()->getLevelIdc()), 8, "general_level_idc" ); for (Int i = 0; i < maxNumSubLayersMinus1; i++) { WRITE_FLAG( pcPTL->getSubLayerProfilePresentFlag(i), "sub_layer_profile_present_flag[i]" ); WRITE_FLAG( pcPTL->getSubLayerLevelPresentFlag(i), "sub_layer_level_present_flag[i]" ); } if (maxNumSubLayersMinus1 > 0) { for (Int i = maxNumSubLayersMinus1; i < 8; i++) { WRITE_CODE(0, 2, "reserved_zero_2bits"); } } for(Int i = 0; i < maxNumSubLayersMinus1; i++) { if( pcPTL->getSubLayerProfilePresentFlag(i) ) { codeProfileTier(pcPTL->getSubLayerPTL(i), true); // sub_layer_... } if( pcPTL->getSubLayerLevelPresentFlag(i) ) { WRITE_CODE( Int(pcPTL->getSubLayerPTL(i)->getLevelIdc()), 8, "sub_layer_level_idc[i]" ); } } } #if ENC_DEC_TRACE || RExt__DECODER_DEBUG_BIT_STATISTICS Void TEncCavlc::codeProfileTier( const ProfileTierLevel* ptl, const Bool bIsSubLayer ) #define PTL_TRACE_TEXT(txt) bIsSubLayer?("sub_layer_" txt) : ("general_" txt) #else Void TEncCavlc::codeProfileTier( const ProfileTierLevel* ptl, const Bool /*bIsSubLayer*/ ) #define PTL_TRACE_TEXT(txt) txt #endif { WRITE_CODE( ptl->getProfileSpace(), 2 , PTL_TRACE_TEXT("profile_space" )); WRITE_FLAG( ptl->getTierFlag()==Level::HIGH, PTL_TRACE_TEXT("tier_flag" )); #if SVC_EXTENSION WRITE_CODE( (ptl->getProfileIdc() == Profile::SCALABLEMAIN || ptl->getProfileIdc() == Profile::SCALABLEMAIN10) ? 7 : Int(ptl->getProfileIdc()), 5 , PTL_TRACE_TEXT("profile_idc") ); #else WRITE_CODE( Int(ptl->getProfileIdc()), 5 , PTL_TRACE_TEXT("profile_idc" )); #endif for(Int j = 0; j < 32; j++) { WRITE_FLAG( ptl->getProfileCompatibilityFlag(j), PTL_TRACE_TEXT("profile_compatibility_flag[][j]" )); } WRITE_FLAG(ptl->getProgressiveSourceFlag(), PTL_TRACE_TEXT("progressive_source_flag" )); WRITE_FLAG(ptl->getInterlacedSourceFlag(), PTL_TRACE_TEXT("interlaced_source_flag" )); WRITE_FLAG(ptl->getNonPackedConstraintFlag(), PTL_TRACE_TEXT("non_packed_constraint_flag" )); WRITE_FLAG(ptl->getFrameOnlyConstraintFlag(), PTL_TRACE_TEXT("frame_only_constraint_flag" )); if (ptl->getProfileIdc() == Profile::MAINREXT || ptl->getProfileIdc() == Profile::HIGHTHROUGHPUTREXT ) { const UInt bitDepthConstraint=ptl->getBitDepthConstraint(); WRITE_FLAG(bitDepthConstraint<=12, PTL_TRACE_TEXT("max_12bit_constraint_flag" )); WRITE_FLAG(bitDepthConstraint<=10, PTL_TRACE_TEXT("max_10bit_constraint_flag" )); WRITE_FLAG(bitDepthConstraint<= 8, PTL_TRACE_TEXT("max_8bit_constraint_flag" )); const ChromaFormat chromaFmtConstraint=ptl->getChromaFormatConstraint(); WRITE_FLAG(chromaFmtConstraint==CHROMA_422||chromaFmtConstraint==CHROMA_420||chromaFmtConstraint==CHROMA_400, PTL_TRACE_TEXT("max_422chroma_constraint_flag" )); WRITE_FLAG(chromaFmtConstraint==CHROMA_420||chromaFmtConstraint==CHROMA_400, PTL_TRACE_TEXT("max_420chroma_constraint_flag" )); WRITE_FLAG(chromaFmtConstraint==CHROMA_400, PTL_TRACE_TEXT("max_monochrome_constraint_flag")); WRITE_FLAG(ptl->getIntraConstraintFlag(), PTL_TRACE_TEXT("intra_constraint_flag" )); WRITE_FLAG(0, PTL_TRACE_TEXT("one_picture_only_constraint_flag")); WRITE_FLAG(ptl->getLowerBitRateConstraintFlag(), PTL_TRACE_TEXT("lower_bit_rate_constraint_flag" )); #if SVC_EXTENSION WRITE_CODE(0, 32, "general_reserved_zero_34bits"); WRITE_CODE(0, 2, "general_reserved_zero_34bits"); } else if( ptl->getProfileIdc() == Profile::SCALABLEMAIN || ptl->getProfileIdc() == Profile::SCALABLEMAIN10 ) // at encoder side, scalable-main10 profile has a profile idc equal to 8, which is converted to 7 during signalling { WRITE_FLAG(true, "general_max_12bit_constraint_flag"); WRITE_FLAG(true, "general_max_10bit_constraint_flag"); WRITE_FLAG((ptl->getProfileIdc() == Profile::SCALABLEMAIN) ? true : false, "general_max_8bit_constraint_flag"); WRITE_FLAG(true, "general_max_422chroma_constraint_flag"); WRITE_FLAG(true, "general_max_420chroma_constraint_flag"); WRITE_FLAG(false, "general_max_monochrome_constraint_flag"); WRITE_FLAG(false, "general_intra_constraint_flag"); WRITE_FLAG(false, "general_one_picture_only_constraint_flag"); WRITE_FLAG(true, "general_lower_bit_rate_constraint_flag"); WRITE_CODE(0, 32, "general_reserved_zero_34bits"); WRITE_CODE(0, 2, "general_reserved_zero_34bits"); } else { WRITE_CODE(0, 32, "general_reserved_zero_43bits"); WRITE_CODE(0, 11, "general_reserved_zero_43bits"); } #else WRITE_CODE(0 , 16, PTL_TRACE_TEXT("reserved_zero_34bits[0..15]" )); WRITE_CODE(0 , 16, PTL_TRACE_TEXT("reserved_zero_34bits[16..31]" )); WRITE_CODE(0 , 2, PTL_TRACE_TEXT("reserved_zero_34bits[32..33]" )); } else { WRITE_CODE(0x0000 , 16, PTL_TRACE_TEXT("reserved_zero_43bits[0..15]" )); WRITE_CODE(0x0000 , 16, PTL_TRACE_TEXT("reserved_zero_43bits[16..31]" )); WRITE_CODE(0x000 , 11, PTL_TRACE_TEXT("reserved_zero_43bits[32..42]" )); } #endif WRITE_FLAG(false, PTL_TRACE_TEXT("inbld_flag" )); #undef PTL_TRACE_TEXT } /** * Write tiles and wavefront substreams sizes for the slice header (entry points). * * \param pSlice TComSlice structure that contains the substream size information. */ Void TEncCavlc::codeTilesWPPEntryPoint( TComSlice* pSlice ) { if (!pSlice->getPPS()->getTilesEnabledFlag() && !pSlice->getPPS()->getEntropyCodingSyncEnabledFlag()) { return; } UInt maxOffset = 0; for(Int idx=0; idxgetNumberOfSubstreamSizes(); idx++) { UInt offset=pSlice->getSubstreamSize(idx); if ( offset > maxOffset ) { maxOffset = offset; } } // Determine number of bits "offsetLenMinus1+1" required for entry point information UInt offsetLenMinus1 = 0; while (maxOffset >= (1u << (offsetLenMinus1 + 1))) { offsetLenMinus1++; assert(offsetLenMinus1 + 1 < 32); } WRITE_UVLC(pSlice->getNumberOfSubstreamSizes(), "num_entry_point_offsets"); if (pSlice->getNumberOfSubstreamSizes()>0) { WRITE_UVLC(offsetLenMinus1, "offset_len_minus1"); for (UInt idx=0; idxgetNumberOfSubstreamSizes(); idx++) { WRITE_CODE(pSlice->getSubstreamSize(idx)-1, offsetLenMinus1+1, "entry_point_offset_minus1"); } } } Void TEncCavlc::codeTerminatingBit ( UInt /*uilsLast*/ ) { } Void TEncCavlc::codeSliceFinish () { } Void TEncCavlc::codeMVPIdx ( TComDataCU* /*pcCU*/, UInt /*uiAbsPartIdx*/, RefPicList /*eRefList*/ ) { assert(0); } Void TEncCavlc::codePartSize( TComDataCU* /*pcCU*/, UInt /*uiAbsPartIdx*/, UInt /*uiDepth*/ ) { assert(0); } Void TEncCavlc::codePredMode( TComDataCU* /*pcCU*/, UInt /*uiAbsPartIdx*/ ) { assert(0); } Void TEncCavlc::codeMergeFlag ( TComDataCU* /*pcCU*/, UInt /*uiAbsPartIdx*/ ) { assert(0); } Void TEncCavlc::codeMergeIndex ( TComDataCU* /*pcCU*/, UInt /*uiAbsPartIdx*/ ) { assert(0); } Void TEncCavlc::codeInterModeFlag( TComDataCU* /*pcCU*/, UInt /*uiAbsPartIdx*/, UInt /*uiDepth*/, UInt /*uiEncMode*/ ) { assert(0); } Void TEncCavlc::codeCUTransquantBypassFlag( TComDataCU* /*pcCU*/, UInt /*uiAbsPartIdx*/ ) { assert(0); } Void TEncCavlc::codeSkipFlag( TComDataCU* /*pcCU*/, UInt /*uiAbsPartIdx*/ ) { assert(0); } Void TEncCavlc::codeSplitFlag ( TComDataCU* /*pcCU*/, UInt /*uiAbsPartIdx*/, UInt /*uiDepth*/ ) { assert(0); } Void TEncCavlc::codeTransformSubdivFlag( UInt /*uiSymbol*/, UInt /*uiCtx*/ ) { assert(0); } Void TEncCavlc::codeQtCbf( TComTU& /*rTu*/, const ComponentID /*compID*/, const Bool /*lowestLevel*/ ) { assert(0); } Void TEncCavlc::codeQtRootCbf( TComDataCU* /*pcCU*/, UInt /*uiAbsPartIdx*/ ) { assert(0); } Void TEncCavlc::codeQtCbfZero( TComTU& /*rTu*/, const ChannelType /*chType*/ ) { assert(0); } Void TEncCavlc::codeQtRootCbfZero( ) { assert(0); } Void TEncCavlc::codeTransformSkipFlags (TComTU& /*rTu*/, ComponentID /*component*/ ) { assert(0); } /** Code I_PCM information. * \param pcCU pointer to CU * \param uiAbsPartIdx CU index * \returns Void */ Void TEncCavlc::codeIPCMInfo( TComDataCU* /*pcCU*/, UInt /*uiAbsPartIdx*/ ) { assert(0); } Void TEncCavlc::codeIntraDirLumaAng( TComDataCU* /*pcCU*/, UInt /*uiAbsPartIdx*/, Bool /*isMultiple*/) { assert(0); } Void TEncCavlc::codeIntraDirChroma( TComDataCU* /*pcCU*/, UInt /*uiAbsPartIdx*/ ) { assert(0); } Void TEncCavlc::codeInterDir( TComDataCU* /*pcCU*/, UInt /*uiAbsPartIdx*/ ) { assert(0); } Void TEncCavlc::codeRefFrmIdx( TComDataCU* /*pcCU*/, UInt /*uiAbsPartIdx*/, RefPicList /*eRefList*/ ) { assert(0); } Void TEncCavlc::codeMvd( TComDataCU* /*pcCU*/, UInt /*uiAbsPartIdx*/, RefPicList /*eRefList*/ ) { assert(0); } Void TEncCavlc::codeCrossComponentPrediction( TComTU& /*rTu*/, ComponentID /*compID*/ ) { assert(0); } Void TEncCavlc::codeDeltaQP( TComDataCU* pcCU, UInt uiAbsPartIdx ) { Int iDQp = pcCU->getQP( uiAbsPartIdx ) - pcCU->getRefQP( uiAbsPartIdx ); #if SVC_EXTENSION Int qpBdOffsetY = pcCU->getSlice()->getQpBDOffset(CHANNEL_TYPE_LUMA); #else Int qpBdOffsetY = pcCU->getSlice()->getSPS()->getQpBDOffset(CHANNEL_TYPE_LUMA); #endif iDQp = (iDQp + 78 + qpBdOffsetY + (qpBdOffsetY/2)) % (52 + qpBdOffsetY) - 26 - (qpBdOffsetY/2); xWriteSvlc( iDQp ); return; } Void TEncCavlc::codeChromaQpAdjustment( TComDataCU* /*pcCU*/, UInt /*uiAbsPartIdx*/ ) { assert(0); } Void TEncCavlc::codeCoeffNxN ( TComTU& /*rTu*/, TCoeff* /*pcCoef*/, const ComponentID /*compID*/ ) { assert(0); } Void TEncCavlc::estBit( estBitsSbacStruct* /*pcEstBitsCabac*/, Int /*width*/, Int /*height*/, ChannelType /*chType*/ ) { // printf("error : no VLC mode support in this version\n"); return; } // ==================================================================================================================== // Protected member functions // ==================================================================================================================== //! Code weighted prediction tables Void TEncCavlc::xCodePredWeightTable( TComSlice* pcSlice ) { WPScalingParam *wp; const ChromaFormat format = pcSlice->getPic()->getChromaFormat(); const UInt numberValidComponents = getNumberValidComponents(format); const Bool bChroma = isChromaEnabled(format); const Int iNbRef = (pcSlice->getSliceType() == B_SLICE ) ? (2) : (1); Bool bDenomCoded = false; UInt uiTotalSignalledWeightFlags = 0; if ( (pcSlice->getSliceType()==P_SLICE && pcSlice->getPPS()->getUseWP()) || (pcSlice->getSliceType()==B_SLICE && pcSlice->getPPS()->getWPBiPred()) ) { for ( Int iNumRef=0 ; iNumRefgetNumRefIdx(eRefPicList) ; iRefIdx++ ) { pcSlice->getWpScaling(eRefPicList, iRefIdx, wp); if ( !bDenomCoded ) { Int iDeltaDenom; WRITE_UVLC( wp[COMPONENT_Y].uiLog2WeightDenom, "luma_log2_weight_denom" ); if( bChroma ) { assert(wp[COMPONENT_Cb].uiLog2WeightDenom == wp[COMPONENT_Cr].uiLog2WeightDenom); // check the channel-type settings are consistent across components. iDeltaDenom = (wp[COMPONENT_Cb].uiLog2WeightDenom - wp[COMPONENT_Y].uiLog2WeightDenom); WRITE_SVLC( iDeltaDenom, "delta_chroma_log2_weight_denom" ); } bDenomCoded = true; } WRITE_FLAG( wp[COMPONENT_Y].bPresentFlag, iNumRef==0?"luma_weight_l0_flag[i]":"luma_weight_l1_flag[i]" ); uiTotalSignalledWeightFlags += wp[COMPONENT_Y].bPresentFlag; } if (bChroma) { for ( Int iRefIdx=0 ; iRefIdxgetNumRefIdx(eRefPicList) ; iRefIdx++ ) { pcSlice->getWpScaling(eRefPicList, iRefIdx, wp); assert(wp[COMPONENT_Cb].bPresentFlag == wp[COMPONENT_Cr].bPresentFlag); // check the channel-type settings are consistent across components. WRITE_FLAG( wp[COMPONENT_Cb].bPresentFlag, iNumRef==0?"chroma_weight_l0_flag[i]":"chroma_weight_l1_flag[i]" ); uiTotalSignalledWeightFlags += 2*wp[COMPONENT_Cb].bPresentFlag; } } for ( Int iRefIdx=0 ; iRefIdxgetNumRefIdx(eRefPicList) ; iRefIdx++ ) { pcSlice->getWpScaling(eRefPicList, iRefIdx, wp); if ( wp[COMPONENT_Y].bPresentFlag ) { Int iDeltaWeight = (wp[COMPONENT_Y].iWeight - (1<getSPS()->getSpsRangeExtension().getHighPrecisionOffsetsEnabledFlag() ? (1<getBitDepth(CHANNEL_TYPE_CHROMA))/2 : 128; #else Int range=pcSlice->getSPS()->getSpsRangeExtension().getHighPrecisionOffsetsEnabledFlag() ? (1<getSPS()->getBitDepth(CHANNEL_TYPE_CHROMA))/2 : 128; #endif Int pred = ( range - ( ( range*wp[j].iWeight)>>(wp[j].uiLog2WeightDenom) ) ); Int iDeltaChroma = (wp[j].iOffset - pred); WRITE_SVLC( iDeltaChroma, iNumRef==0?"delta_chroma_offset_l0[i]":"delta_chroma_offset_l1[i]" ); } } } } } assert(uiTotalSignalledWeightFlags<=24); } } /** code quantization matrix * \param scalingList quantization matrix information */ Void TEncCavlc::codeScalingList( const TComScalingList &scalingList ) { //for each size for(UInt sizeId = 0; sizeId < SCALING_LIST_SIZE_NUM; sizeId++) { const Int predListStep = (sizeId == SCALING_LIST_32x32? (SCALING_LIST_NUM/NUMBER_OF_PREDICTION_MODES) : 1); // if 32x32, skip over chroma entries. for(UInt listId = 0; listId < SCALING_LIST_NUM; listId+=predListStep) { Bool scalingListPredModeFlag = scalingList.getScalingListPredModeFlag(sizeId, listId); WRITE_FLAG( scalingListPredModeFlag, "scaling_list_pred_mode_flag" ); if(!scalingListPredModeFlag)// Copy Mode { if (sizeId == SCALING_LIST_32x32) { // adjust the code, to cope with the missing chroma entries WRITE_UVLC( ((Int)listId - (Int)scalingList.getRefMatrixId (sizeId,listId)) / (SCALING_LIST_NUM/NUMBER_OF_PREDICTION_MODES), "scaling_list_pred_matrix_id_delta"); } else { WRITE_UVLC( (Int)listId - (Int)scalingList.getRefMatrixId (sizeId,listId), "scaling_list_pred_matrix_id_delta"); } } else// DPCM Mode { xCodeScalingList(&scalingList, sizeId, listId); } } } return; } /** code DPCM * \param scalingList quantization matrix information * \param sizeId size index * \param listId list index */ Void TEncCavlc::xCodeScalingList(const TComScalingList* scalingList, UInt sizeId, UInt listId) { Int coefNum = min(MAX_MATRIX_COEF_NUM,(Int)g_scalingListSize[sizeId]); UInt* scan = g_scanOrder[SCAN_UNGROUPED][SCAN_DIAG][sizeId==0 ? 2 : 3][sizeId==0 ? 2 : 3]; Int nextCoef = SCALING_LIST_START_VALUE; Int data; const Int *src = scalingList->getScalingListAddress(sizeId, listId); if( sizeId > SCALING_LIST_8x8 ) { WRITE_SVLC( scalingList->getScalingListDC(sizeId,listId) - 8, "scaling_list_dc_coef_minus8"); nextCoef = scalingList->getScalingListDC(sizeId,listId); } for(Int i=0;i 127) { data = data - 256; } if(data < -128) { data = data + 256; } WRITE_SVLC( data, "scaling_list_delta_coef"); } } Bool TEncCavlc::findMatchingLTRP ( TComSlice* pcSlice, UInt *ltrpsIndex, Int ltrpPOC, Bool usedFlag ) { // Bool state = true, state2 = false; Int lsb = ltrpPOC & ((1<getSPS()->getBitsForPOC())-1); for (Int k = 0; k < pcSlice->getSPS()->getNumLongTermRefPicSPS(); k++) { if ( (lsb == pcSlice->getSPS()->getLtRefPicPocLsbSps(k)) && (usedFlag == pcSlice->getSPS()->getUsedByCurrPicLtSPSFlag(k)) ) { *ltrpsIndex = k; return true; } } return false; } Void TEncCavlc::codeExplicitRdpcmMode( TComTU& /*rTu*/, const ComponentID /*compID*/ ) { assert(0); } #if SVC_EXTENSION Void TEncCavlc::codeSliceHeaderExtn( TComSlice* slice, Int shBitsWrittenTillNow ) { Int tmpBitsBeforeWriting = getNumberOfWrittenBits(); Int maxPocLsb = 1 << slice->getSPS()->getBitsForPOC(); if(slice->getPPS()->getSliceHeaderExtensionPresentFlag()) { // Derive the value of PocMsbValRequiredFlag slice->setPocMsbValRequiredFlag( (slice->getCraPicFlag() || slice->getBlaPicFlag()) && (!slice->getVPS()->getVpsPocLsbAlignedFlag() || (slice->getVPS()->getVpsPocLsbAlignedFlag() && slice->getVPS()->getNumDirectRefLayers(slice->getLayerId()) == 0)) ); // Determine value of SH extension length. Int shExtnLengthInBit = 0; if( slice->getPPS()->getPocResetInfoPresentFlag() ) { shExtnLengthInBit += 2; } if( slice->getPocResetIdc() > 0 ) { shExtnLengthInBit += 6; } if( slice->getPocResetIdc() == 3 ) { shExtnLengthInBit += (slice->getSPS()->getBitsForPOC() + 1); } if( !slice->getPocMsbValRequiredFlag() && slice->getVPS()->getVpsPocLsbAlignedFlag() ) { shExtnLengthInBit++; } else { if( slice->getPocMsbValRequiredFlag() ) { slice->setPocMsbValPresentFlag( true ); } else { slice->setPocMsbValPresentFlag( false ); } } if( slice->getPocMsbNeeded() ) { slice->setPocMsbValPresentFlag(true); } if( slice->getPocMsbValPresentFlag() ) { UInt lengthVal = 1; UInt tempVal = (slice->getPocMsbVal() / maxPocLsb) + 1; assert ( tempVal ); while( 1 != tempVal ) { tempVal >>= 1; lengthVal += 2; } shExtnLengthInBit += lengthVal; } Int shExtnAdditionalBits = 0; if( shExtnLengthInBit % 8 != 0 ) { shExtnAdditionalBits = 8 - (shExtnLengthInBit % 8); } Int shExtnLength = (shExtnLengthInBit + shExtnAdditionalBits) / 8; WRITE_UVLC( shExtnLength, "slice_header_extension_length" ); if( slice->getPPS()->getPocResetInfoPresentFlag() ) { WRITE_CODE( slice->getPocResetIdc(), 2, "poc_reset_idc"); } if( slice->getPocResetIdc() > 0 ) { WRITE_CODE( slice->getPocResetPeriodId(), 6, "poc_reset_period_id"); } if( slice->getPocResetIdc() == 3 ) { WRITE_FLAG( slice->getFullPocResetFlag() ? 1 : 0, "full_poc_reset_flag"); WRITE_CODE( slice->getPocLsbVal(), slice->getSPS()->getBitsForPOC(), "poc_lsb_val"); } if( !slice->getPocMsbValRequiredFlag() && slice->getVPS()->getVpsPocLsbAlignedFlag() ) { WRITE_FLAG( slice->getPocMsbValPresentFlag(), "poc_msb_cycle_val_present_flag" ); } if( slice->getPocMsbValPresentFlag() ) { assert(slice->getPocMsbVal() % maxPocLsb == 0); WRITE_UVLC(slice->getPocMsbVal() / maxPocLsb, "poc_msb_cycle_val"); } for(Int i = 0; i < shExtnAdditionalBits; i++) { WRITE_FLAG( 1, "slice_segment_header_extension_data_bit"); } } shBitsWrittenTillNow += ( getNumberOfWrittenBits() - tmpBitsBeforeWriting ); // Slice header byte_alignment() included in xAttachSliceDataToNalUnit } Void TEncCavlc::codeVPSExtension( const TComVPS *vps ) { Int NumOutputLayersInOutputLayerSet[MAX_VPS_LAYER_SETS_PLUS1]; Int OlsHighestOutputLayerId[MAX_VPS_LAYER_SETS_PLUS1]; if( vps->getMaxLayers() > 1 && vps->getBaseLayerInternalFlag() ) { codePTL( vps->getPTL(1), false, vps->getMaxTLayers() - 1 ); } UInt i = 0, j = 0; WRITE_FLAG( vps->getSplittingFlag(), "splitting_flag" ); for(i = 0; i < MAX_VPS_NUM_SCALABILITY_TYPES; i++) { WRITE_FLAG( vps->getScalabilityMask(i), "scalability_mask[i]" ); } for(j = 0; j < vps->getNumScalabilityTypes() - vps->getSplittingFlag(); j++) { WRITE_CODE( vps->getDimensionIdLen(j) - 1, 3, "dimension_id_len_minus1[j]" ); } // The value of dimBitOffset[ NumScalabilityTypes ] is set equal to 6. if(vps->getSplittingFlag()) { UInt splDimSum=0; for(j = 0; j < vps->getNumScalabilityTypes(); j++) { splDimSum+=(vps->getDimensionIdLen(j)); } assert(splDimSum<=6); } WRITE_FLAG( vps->getNuhLayerIdPresentFlag(), "vps_nuh_layer_id_present_flag" ); for(i = 1; i < vps->getMaxLayers(); i++) { if( vps->getNuhLayerIdPresentFlag() ) { WRITE_CODE( vps->getLayerIdInNuh(i), 6, "layer_id_in_nuh[i]" ); } if( !vps->getSplittingFlag() ) { for(j = 0; j < vps->getNumScalabilityTypes(); j++) { UInt bits = vps->getDimensionIdLen(j); WRITE_CODE( vps->getDimensionId(i, j), bits, "dimension_id[i][j]" ); } } } WRITE_CODE( vps->getViewIdLen( ), 4, "view_id_len" ); assert ( vps->getNumViews() >= (1<getViewIdLen()) ); if ( vps->getViewIdLen() > 0 ) { for( i = 0; i < vps->getNumViews(); i++ ) { WRITE_CODE( vps->getViewIdVal( i ), vps->getViewIdLen( ), "view_id_val[i]" ); } } for( Int layerCtr = 1; layerCtr < vps->getMaxLayers(); layerCtr++) { for( Int refLayerCtr = 0; refLayerCtr < layerCtr; refLayerCtr++) { WRITE_FLAG(vps->getDirectDependencyFlag(layerCtr, refLayerCtr), "direct_dependency_flag[i][j]" ); } } if( vps->getNumIndependentLayers() > 1 ) { WRITE_UVLC( vps->getNumAddLayerSets(), "num_add_layer_sets" ); 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++; } WRITE_CODE(vps->getHighestLayerIdxPlus1(i, j), len, "highest_layer_idx_plus1[i][j]"); } } } WRITE_FLAG( vps->getMaxTSLayersPresentFlag(), "vps_sub_layers_max_minus1_present_flag"); if( vps->getMaxTSLayersPresentFlag() ) { for( i = 0; i < vps->getMaxLayers(); i++ ) { WRITE_CODE(vps->getMaxTSLayersMinus1(i), 3, "sub_layers_vps_max_minus1[i]" ); } } WRITE_FLAG( vps->getMaxTidRefPresentFlag(), "max_tid_ref_present_flag"); if (vps->getMaxTidRefPresentFlag()) { for( i = 0; i < vps->getMaxLayers() - 1; i++) { for( j = i+1; j <= vps->getMaxLayers() - 1; j++) { if(vps->getDirectDependencyFlag(j, i)) { WRITE_CODE(vps->getMaxTidIlRefPicsPlus1(i,j), 3, "max_tid_il_ref_pics_plus1[i][j]" ); } } } } WRITE_FLAG( vps->getIlpSshSignalingEnabledFlag(), "all_ref_layers_active_flag" ); // Profile-tier-level signalling WRITE_UVLC( vps->getNumProfileTierLevel() - 1, "vps_num_profile_tier_level_minus1"); Int const numBitsForPtlIdx = vps->calculateLenOfSyntaxElement( vps->getNumProfileTierLevel() ); //Do something here to make sure the loop is correct to consider base layer internal stuff for( Int idx = vps->getBaseLayerInternalFlag() ? 2 : 1; idx < vps->getNumProfileTierLevel(); idx++ ) { WRITE_FLAG( vps->getProfilePresentFlag(idx), "vps_profile_present_flag[i]" ); codePTL( vps->getPTL(idx), vps->getProfilePresentFlag(idx), vps->getMaxTLayers() - 1 ); } Int numOutputLayerSets = vps->getNumOutputLayerSets(); Int numAddOutputLayerSets = numOutputLayerSets - (Int)vps->getNumLayerSets(); // The value of num_add_olss shall be in the range of 0 to 1023, inclusive. assert( numAddOutputLayerSets >= 0 && numAddOutputLayerSets < 1024 ); if( vps->getNumLayerSets() > 1 ) { WRITE_UVLC( numAddOutputLayerSets, "num_add_olss" ); WRITE_CODE( vps->getDefaultTargetOutputLayerIdc(), 2, "default_output_layer_idc" ); } for(i = 1; i < numOutputLayerSets; i++) { Int layerSetIdxForOutputLayerSet = vps->getOutputLayerSetIdx(i); if( vps->getNumLayerSets() > 2 && i >= vps->getNumLayerSets() ) { Int numBits = 1; while ((1 << numBits) < (vps->getNumLayerSets() - 1)) { numBits++; } WRITE_CODE( vps->getOutputLayerSetIdx(i) - 1, numBits, "layer_set_idx_for_ols_minus1"); } if( i > vps->getVpsNumLayerSetsMinus1() || vps->getDefaultTargetOutputLayerIdc() >= 2 ) //Instead of == 2, >= 2 is used to follow the agreement that value 3 should be interpreted as 2 { for( j = 0; j < vps->getNumLayersInIdList(layerSetIdxForOutputLayerSet); j++ ) { WRITE_FLAG( vps->getOutputLayerFlag(i,j), "output_layer_flag[i][j]"); } } for( j = 0; j < vps->getNumLayersInIdList(layerSetIdxForOutputLayerSet); j++ ) { if( vps->getNecessaryLayerFlag(i, j) && (vps->getNumProfileTierLevel() - 1) > 0 ) { WRITE_CODE( vps->getProfileLevelTierIdx(i, j), numBitsForPtlIdx, "profile_tier_level_idx[i]" ); } } 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 ) { WRITE_FLAG(vps->getAltOuputLayerFlag(i), "alt_output_layer_flag[i]"); } assert( NumOutputLayersInOutputLayerSet[i] > 0 ); } // 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 ); WRITE_UVLC( vps->getVpsNumRepFormats() - 1, "vps_num_rep_formats_minus1" ); for(i = 0; i < vps->getVpsNumRepFormats(); i++) { // Write rep_format_structures codeRepFormat( vps->getVpsRepFormat(i) ); } if( vps->getVpsNumRepFormats() > 1 ) { WRITE_FLAG( vps->getRepFormatIdxPresentFlag(), "rep_format_idx_present_flag"); } else { // When not present, the value of rep_format_idx_present_flag is inferred to be equal to 0 assert( !vps->getRepFormatIdxPresentFlag() ); } if( vps->getRepFormatIdxPresentFlag() ) { for( i = vps->getBaseLayerInternalFlag() ? 1 : 0; i < vps->getMaxLayers(); i++ ) { Int numBits = 1; while ((1 << numBits) < (vps->getVpsNumRepFormats())) { numBits++; } WRITE_CODE( vps->getVpsRepFormatIdx(i), numBits, "vps_rep_format_idx[i]" ); } } WRITE_FLAG(vps->getMaxOneActiveRefLayerFlag(), "max_one_active_ref_layer_flag"); WRITE_FLAG(vps->getVpsPocLsbAlignedFlag(), "vps_poc_lsb_aligned_flag"); for( i = 1; i< vps->getMaxLayers(); i++ ) { if( vps->getNumDirectRefLayers( vps->getLayerIdInNuh(i) ) == 0 ) { WRITE_FLAG(vps->getPocLsbNotPresentFlag(i), "poc_lsb_not_present_flag[i]"); } } codeVpsDpbSizeTable(vps); WRITE_UVLC( vps->getDirectDepTypeLen()-2, "direct_dep_type_len_minus2"); WRITE_FLAG(vps->getDefaultDirectDependencyTypeFlag(), "direct_dependency_all_layers_flag"); if( vps->getDefaultDirectDependencyTypeFlag() ) { WRITE_CODE( vps->getDefaultDirectDependencyType(), vps->getDirectDepTypeLen(), "direct_dependency_all_layers_type" ); } else { for( i = vps->getBaseLayerInternalFlag() ? 1 : 2; i < vps->getMaxLayers(); i++ ) { for( j = vps->getBaseLayerInternalFlag() ? 0 : 1; j < i; j++ ) { if (vps->getDirectDependencyFlag(i, j)) { WRITE_CODE( vps->getDirectDependencyType(i, j), vps->getDirectDepTypeLen(), "direct_dependency_type[i][j]" ); } } } } // 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 ); WRITE_UVLC( vps->getVpsNonVuiExtLength(), "vps_non_vui_extension_length" ); for( i = 1; i <= vps->getVpsNonVuiExtLength(); i++ ) { WRITE_CODE(1, 8, "vps_non_vui_extension_data_byte"); } WRITE_FLAG( vps->getVpsVuiPresentFlag() ? 1 : 0, "vps_vui_present_flag" ); if(vps->getVpsVuiPresentFlag()) // Should be conditioned on the value of vps_vui_present_flag { while ( m_pcBitIf->getNumberOfWrittenBits() % 8 != 0 ) { WRITE_FLAG(1, "vps_vui_alignment_bit_equal_to_one"); } codeVPSVUI(vps); } } Void TEncCavlc::codeRepFormat( const RepFormat *repFormat ) { WRITE_CODE( repFormat->getPicWidthVpsInLumaSamples (), 16, "pic_width_vps_in_luma_samples" ); WRITE_CODE( repFormat->getPicHeightVpsInLumaSamples(), 16, "pic_height_vps_in_luma_samples" ); WRITE_FLAG( repFormat->getChromaAndBitDepthVpsPresentFlag(), "chroma_and_bit_depth_vps_present_flag" ); if( repFormat->getChromaAndBitDepthVpsPresentFlag() ) { WRITE_CODE( repFormat->getChromaFormatVpsIdc(), 2, "chroma_format_vps_idc" ); if( repFormat->getChromaFormatVpsIdc() == 3 ) { WRITE_FLAG( repFormat->getSeparateColourPlaneVpsFlag(), "separate_colour_plane_vps_flag" ); } assert( repFormat->getBitDepthVpsLuma() >= 8 ); assert( repFormat->getBitDepthVpsChroma() >= 8 ); WRITE_CODE( repFormat->getBitDepthVpsLuma() - 8, 4, "bit_depth_vps_luma_minus8" ); WRITE_CODE( repFormat->getBitDepthVpsChroma() - 8, 4, "bit_depth_vps_chroma_minus8" ); } Window conf = repFormat->getConformanceWindowVps(); WRITE_FLAG( conf.getWindowEnabledFlag(), "conformance_window_vps_flag" ); if (conf.getWindowEnabledFlag()) { WRITE_UVLC( conf.getWindowLeftOffset(), "conf_win_vps_left_offset" ); WRITE_UVLC( conf.getWindowRightOffset(), "conf_win_vps_right_offset" ); WRITE_UVLC( conf.getWindowTopOffset(), "conf_win_vps_top_offset" ); WRITE_UVLC( conf.getWindowBottomOffset(), "conf_win_vps_bottom_offset" ); } } Void TEncCavlc::codeVpsDpbSizeTable( const TComVPS *vps ) { for( Int i = 1; i < vps->getNumOutputLayerSets(); i++ ) { Int layerSetIdxForOutputLayerSet = vps->getOutputLayerSetIdx( i ); WRITE_FLAG( vps->getSubLayerFlagInfoPresentFlag( i ), "sub_layer_flag_info_present_flag[i]"); for(Int j = 0; j <= vps->getMaxSLayersInLayerSetMinus1( layerSetIdxForOutputLayerSet ); j++) { if( j > 0 && vps->getSubLayerFlagInfoPresentFlag(i) ) { WRITE_FLAG( vps->getSubLayerDpbInfoPresentFlag( i, j), "sub_layer_dpb_info_present_flag[i]"); } if( vps->getSubLayerDpbInfoPresentFlag(i, j) ) { for(Int k = 0; k < vps->getNumLayersInIdList( layerSetIdxForOutputLayerSet ); k++) { if( vps->getNecessaryLayerFlag(i, k) && (vps->getBaseLayerInternalFlag() || (vps->getLayerSetLayerIdList(layerSetIdxForOutputLayerSet, k) != 0)) ) { WRITE_UVLC( vps->getMaxVpsDecPicBufferingMinus1( i, k, j ), "max_vps_dec_pic_buffering_minus1[i][k][j]" ); } } WRITE_UVLC( vps->getMaxVpsNumReorderPics( i, j), "max_vps_num_reorder_pics[i][j]" ); WRITE_UVLC( vps->getMaxVpsLatencyIncreasePlus1( i, j), "max_vps_latency_increase_plus1[i][j]" ); } } } } Void TEncCavlc::codeVPSVUI( const TComVPS *vps ) { Int i,j; WRITE_FLAG(vps->getCrossLayerPictureTypeAlignFlag(), "cross_layer_pic_type_aligned_flag"); if( !vps->getCrossLayerPictureTypeAlignFlag() ) { WRITE_FLAG(vps->getCrossLayerIrapAlignFlag(), "cross_layer_irap_aligned_flag"); } else { // When not present, the value of cross_layer_irap_aligned_flag is inferred to be equal to vps_vui_present_flag, assert( vps->getCrossLayerIrapAlignFlag() == true ); } if( vps->getCrossLayerIrapAlignFlag() ) { WRITE_FLAG(vps->getCrossLayerAlignedIdrOnlyFlag(), "all_layers_idr_aligned_flag"); } WRITE_FLAG( vps->getBitRatePresentVpsFlag(), "bit_rate_present_vps_flag" ); WRITE_FLAG( vps->getPicRatePresentVpsFlag(), "pic_rate_present_vps_flag" ); 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() ) { WRITE_FLAG( vps->getBitRatePresentFlag( i, j), "bit_rate_present_flag[i][j]" ); } if( vps->getPicRatePresentVpsFlag() ) { WRITE_FLAG( vps->getPicRatePresentFlag( i, j), "pic_rate_present_flag[i][j]" ); } if( vps->getBitRatePresentFlag(i, j) ) { WRITE_CODE( vps->getAvgBitRate( i, j ), 16, "avg_bit_rate[i][j]" ); WRITE_CODE( vps->getAvgBitRate( i, j ), 16, "max_bit_rate[i][j]" ); } if( vps->getPicRatePresentFlag(i, j) ) { WRITE_CODE( vps->getConstPicRateIdc( i, j), 2 , "constant_pic_rate_idc[i][j]" ); WRITE_CODE( vps->getConstPicRateIdc( i, j), 16, "avg_pic_rate[i][j]" ); } } } } WRITE_FLAG( vps->getVideoSigPresentVpsFlag(), "video_signal_info_idx_present_flag" ); if (vps->getVideoSigPresentVpsFlag()) { WRITE_CODE(vps->getNumVideoSignalInfo()-1, 4, "vps_num_video_signal_info_minus1" ); } for(i = 0; i < vps->getNumVideoSignalInfo(); i++) { WRITE_CODE(vps->getVideoVPSFormat(i), 3, "video_vps_format" ); WRITE_FLAG(vps->getVideoFullRangeVpsFlag(i), "video_full_range_vps_flag" ); WRITE_CODE(vps->getColorPrimaries(i), 8, "color_primaries_vps" ); WRITE_CODE(vps->getTransCharacter(i), 8, "transfer_characteristics_vps" ); WRITE_CODE(vps->getMaxtrixCoeff(i), 8, "matrix_coeffs_vps" ); } if( vps->getVideoSigPresentVpsFlag() && vps->getNumVideoSignalInfo() > 1 ) { for( i = vps->getBaseLayerInternalFlag() ? 0 : 1; i < vps->getMaxLayers(); i++ ) { WRITE_CODE( vps->getVideoSignalInfoIdx(i), 4, "vps_video_signal_info_idx" ); } } WRITE_FLAG( vps->getTilesNotInUseFlag() ? 1 : 0 , "tiles_not_in_use_flag" ); if( !vps->getTilesNotInUseFlag() ) { for( i = vps->getBaseLayerInternalFlag() ? 0 : 1; i < vps->getMaxLayers(); i++ ) { WRITE_FLAG( vps->getTilesInUseFlag(i) ? 1 : 0 , "tiles_in_use_flag[ i ]" ); if( vps->getTilesInUseFlag(i) ) { WRITE_FLAG( vps->getLoopFilterNotAcrossTilesFlag(i) ? 1 : 0 , "loop_filter_not_across_tiles_flag[ i ]" ); } } for( i = vps->getBaseLayerInternalFlag() ? 1 : 2; i < vps->getMaxLayers(); i++ ) { for(j = 0; j < vps->getNumDirectRefLayers(vps->getLayerIdInNuh(i)); j++) { UInt layerIdx = vps->getLayerIdxInVps(vps->getRefLayerId(vps->getLayerIdInNuh(i), j)); if( vps->getTilesInUseFlag(i) && vps->getTilesInUseFlag(layerIdx) ) { WRITE_FLAG( vps->getTileBoundariesAlignedFlag(i,j) ? 1 : 0 , "tile_boundaries_aligned_flag[i][j]" ); } } } } WRITE_FLAG( vps->getWppNotInUseFlag() ? 1 : 0 , "wpp_not_in_use_flag" ); if( !vps->getWppNotInUseFlag() ) { for( i = vps->getBaseLayerInternalFlag() ? 0 : 1; i < vps->getMaxLayers(); i++ ) { WRITE_FLAG( vps->getWppInUseFlag(i) ? 1 : 0 , "wpp_in_use_flag[ i ]" ); } } WRITE_FLAG(vps->getSingleLayerForNonIrapFlag(), "single_layer_for_non_irap_flag" ); // 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() ); } WRITE_FLAG(vps->getHigherLayerIrapSkipFlag(), "higher_layer_irap_skip_flag" ); WRITE_FLAG( vps->getIlpRestrictedRefLayersFlag() ? 1 : 0 , "ilp_restricted_ref_layers_flag" ); if( vps->getIlpRestrictedRefLayersFlag()) { for(i = 1; i < vps->getMaxLayers(); i++) { for(j = 0; j < vps->getNumDirectRefLayers(vps->getLayerIdInNuh(i)); j++) { if (vps->getBaseLayerInternalFlag() || vps->getRefLayerId(vps->getLayerIdInNuh(i), j)) { WRITE_UVLC(vps->getMinSpatialSegmentOffsetPlus1( i, j), "min_spatial_segment_offset_plus1[i][j]"); if( vps->getMinSpatialSegmentOffsetPlus1(i,j ) > 0 ) { WRITE_FLAG( vps->getCtuBasedOffsetEnabledFlag( i, j) ? 1 : 0 , "ctu_based_offset_enabled_flag[i][j]" ); if(vps->getCtuBasedOffsetEnabledFlag(i,j)) { WRITE_UVLC(vps->getMinHorizontalCtuOffsetPlus1( i, j), "min_horizontal_ctu_offset_plus1[i][j]"); } } } } } } #if O0164_MULTI_LAYER_HRD WRITE_FLAG(vps->getVpsVuiBspHrdPresentFlag(), "vps_vui_bsp_hrd_present_flag" ); if( vps->getVpsVuiBspHrdPresentFlag() ) { codeVpsVuiBspHrdParams(vps); } #endif for( i = 1; i < vps->getMaxLayers(); i++ ) { if( vps->getNumRefLayers(vps->getLayerIdInNuh(i)) == 0 ) { WRITE_FLAG(vps->getBaseLayerPSCompatibilityFlag(i), "base_layer_parameter_set_compatibility_flag" ); } } } Void TEncCavlc::codeSPSExtension( const TComSPS* pcSPS ) { // more syntax elements to be written here // Vertical MV component restriction is not used in SHVC CTC WRITE_FLAG( 0, "inter_view_mv_vert_constraint_flag" ); } Void TEncCavlc::codeVpsVuiBspHrdParams( const TComVPS* vps ) { WRITE_UVLC( vps->getVpsNumAddHrdParams(), "vps_num_add_hrd_params" ); for( Int i = vps->getNumHrdParameters(), j = 0; i < vps->getNumHrdParameters() + vps->getVpsNumAddHrdParams(); i++, j++ ) // j = i - vps->getNumHrdParameters() { if( i > 0 ) { WRITE_FLAG( vps->getCprmsAddPresentFlag(j), "cprms_add_present_flag[i]" ); } WRITE_UVLC( vps->getNumSubLayerHrdMinus1(j), "num_sub_layer_hrd_minus1[i]" ); codeHrdParameters(vps->getBspHrd(j), i == 0 ? true : vps->getCprmsAddPresentFlag(j), vps->getNumSubLayerHrdMinus1(j)); } if( vps->getNumHrdParameters() + vps->getVpsNumAddHrdParams() > 0 ) { for( Int h = 1; h < vps->getNumOutputLayerSets(); h++ ) { Int lsIdx = vps->getOutputLayerSetIdx( h ); WRITE_UVLC( vps->getNumSignalledPartitioningSchemes(h), "num_signalled_partitioning_schemes[h]"); for( Int j = 1; j < vps->getNumSignalledPartitioningSchemes(h) + 1; j++ ) { WRITE_UVLC( vps->getNumPartitionsInSchemeMinus1(h, j), "num_partitions_in_scheme_minus1[h][j]" ); for( Int k = 0; k <= vps->getNumPartitionsInSchemeMinus1(h, j); k++ ) { for( Int r = 0; r < vps->getNumLayersInIdList( lsIdx ); r++ ) { WRITE_FLAG( vps->getLayerIncludedInPartitionFlag(h, j, k, r), "layer_included_in_partition_flag[h][j][k][r]" ); } } } for( Int i = 0; i < vps->getNumSignalledPartitioningSchemes(h) + 1; i++ ) { for( Int t = 0; t <= vps->getMaxSLayersInLayerSetMinus1(lsIdx); t++ ) { WRITE_UVLC(vps->getNumBspSchedulesMinus1(h, i, t), "num_bsp_schedules_minus1[h][i][t]"); for( Int j = 0; j <= vps->getNumBspSchedulesMinus1(h, i, t); j++ ) { for( Int k = 0; k <= vps->getNumPartitionsInSchemeMinus1(h, i); k++ ) { if( vps->getNumHrdParameters() + vps->getVpsNumAddHrdParams() > 1 ) { Int numBits = 1; while ((1 << numBits) < (vps->getNumHrdParameters() + vps->getVpsNumAddHrdParams())) { numBits++; } WRITE_CODE(vps->getBspHrdIdx(h, i, t, j, k), numBits, "bsp_hrd_idx[h][i][t][j][k]"); } WRITE_UVLC( vps->getBspSchedIdx(h, i, t, j, k), "bsp_sched_idx[h][i][t][j][k]"); } } } } } } } #if CGS_3D_ASYMLUT Void TEncCavlc::xCode3DAsymLUT( TCom3DAsymLUT * pc3DAsymLUT ) { UInt uiNumRefLayers = ( UInt )pc3DAsymLUT->getRefLayerNum(); WRITE_UVLC( uiNumRefLayers - 1 , "num_cm_ref_layers_minus1" ); for( UInt i = 0 ; i < uiNumRefLayers ; i++ ) { WRITE_CODE( pc3DAsymLUT->getRefLayerId( i ) , 6 , "cm_ref_layer_id" ); } assert( pc3DAsymLUT->getCurOctantDepth() < 4 ); WRITE_CODE( pc3DAsymLUT->getCurOctantDepth() , 2 , "cm_octant_depth" ); assert( pc3DAsymLUT->getCurYPartNumLog2() < 4 ); WRITE_CODE( pc3DAsymLUT->getCurYPartNumLog2() , 2 , "cm_y_part_num_log2" ); assert( pc3DAsymLUT->getInputBitDepthY() < 16 ); WRITE_UVLC( pc3DAsymLUT->getInputBitDepthY() - 8 , "cm_input_luma_bit_depth_minus8" ); WRITE_UVLC( pc3DAsymLUT->getInputBitDepthC() - 8 , "cm_input_chroma_bit_depth_minus8" ); WRITE_UVLC( pc3DAsymLUT->getOutputBitDepthY() - 8 , "cm_output_luma_bit_depth_minus8" ); WRITE_UVLC( pc3DAsymLUT->getOutputBitDepthC() - 8 , "cm_output_chroma_bit_depth_minus8" ); assert( pc3DAsymLUT->getResQuantBit() < 4 ); WRITE_CODE( pc3DAsymLUT->getResQuantBit() , 2 , "cm_res_quant_bit" ); xFindDeltaBits( pc3DAsymLUT ); assert(pc3DAsymLUT->getDeltaBits() >=1 && pc3DAsymLUT->getDeltaBits() <= 4); WRITE_CODE( pc3DAsymLUT->getDeltaBits()-1 , 2 , "cm_delta_bit" ); if( pc3DAsymLUT->getCurOctantDepth() == 1 ) { WRITE_SVLC( pc3DAsymLUT->getAdaptChromaThresholdU() - ( 1 << ( pc3DAsymLUT->getInputBitDepthC() - 1 ) ) , "cm_adapt_threshold_u_delta" ); WRITE_SVLC( pc3DAsymLUT->getAdaptChromaThresholdV() - ( 1 << ( pc3DAsymLUT->getInputBitDepthC() - 1 ) ) , "cm_adapt_threshold_v_delta" ); } #if R0164_CGS_LUT_BUGFIX_CHECK pc3DAsymLUT->xInitCuboids(); #endif xCode3DAsymLUTOctant( pc3DAsymLUT , 0 , 0 , 0 , 0 , 1 << pc3DAsymLUT->getCurOctantDepth() ); #if R0164_CGS_LUT_BUGFIX_CHECK xCuboidsFilledCheck( false ); pc3DAsymLUT->display( false ); #endif } Void TEncCavlc::xCode3DAsymLUTOctant( TCom3DAsymLUT * pc3DAsymLUT , Int nDepth , Int yIdx , Int uIdx , Int vIdx , Int nLength ) { UInt uiOctantSplit = nDepth < pc3DAsymLUT->getCurOctantDepth(); if( nDepth < pc3DAsymLUT->getCurOctantDepth() ) WRITE_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++ ) { xCode3DAsymLUTOctant( pc3DAsymLUT , nDepth + 1 , yIdx + l * nHalfLength * nYPartNum , uIdx + m * nHalfLength , vIdx + n * nHalfLength , nHalfLength ); } } } } else { Int nFLCbits = pc3DAsymLUT->getMappingShift()-pc3DAsymLUT->getResQuantBit()-pc3DAsymLUT->getDeltaBits() ; nFLCbits = nFLCbits >= 0 ? nFLCbits : 0; for( Int l = 0 ; l < nYPartNum ; l++ ) { Int shift = pc3DAsymLUT->getCurOctantDepth() - nDepth ; for( Int nVertexIdx = 0 ; nVertexIdx < 4 ; nVertexIdx++ ) { SYUVP sRes = pc3DAsymLUT->getCuboidVertexResTree( yIdx + (l<xSetExplicit( yIdx + (l<getCurOctantDepth(), nDeltaBits, nCurBits ); //printf("%d, %d, %d\n", nDeltaBits, nCurBits, nBestBits); if(nCurBits < nBestBits) { nBestDeltaBits = nDeltaBits; nBestBits = nCurBits; } } assert(nBestDeltaBits >=1 && nBestDeltaBits < 5); pc3DAsymLUT->setDeltaBits(nBestDeltaBits); } Void TEncCavlc::xTally3DAsymLUTOctantBits( TCom3DAsymLUT * pc3DAsymLUT , Int nDepth , Int yIdx , Int uIdx , Int vIdx , Int nLength, Int nDeltaBits, Int& nCurBits ) { UInt uiOctantSplit = nDepth < pc3DAsymLUT->getCurOctantDepth(); if( nDepth < pc3DAsymLUT->getCurOctantDepth() ) nCurBits ++; 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++ ) { xTally3DAsymLUTOctantBits( pc3DAsymLUT , nDepth + 1 , yIdx + l * nHalfLength * nYPartNum , uIdx + m * nHalfLength , vIdx + n * nHalfLength , nHalfLength, nDeltaBits, nCurBits ); } } } } else { Int nFLCbits = pc3DAsymLUT->getMappingShift()-pc3DAsymLUT->getResQuantBit()-nDeltaBits ; nFLCbits = nFLCbits >= 0 ? nFLCbits:0; //printf("nFLCbits = %d\n", nFLCbits); for( Int l = 0 ; l < nYPartNum ; l++ ) { for( Int nVertexIdx = 0 ; nVertexIdx < 4 ; nVertexIdx++ ) { SYUVP sRes = pc3DAsymLUT->getCuboidVertexResTree( yIdx + l , uIdx , vIdx , nVertexIdx ); UInt uiCodeVertex = sRes.Y != 0 || sRes.U != 0 || sRes.V != 0; nCurBits++; if( uiCodeVertex ) { xCheckParamBits( sRes.Y, nFLCbits, nCurBits ); xCheckParamBits( sRes.U, nFLCbits, nCurBits ); xCheckParamBits( sRes.V, nFLCbits, nCurBits ); } } } } } Void TEncCavlc::xCheckParamBits( Int param, Int rParam, Int &nBits) { Int codeNumber = abs(param); Int codeQuotient = codeNumber >> rParam; Int qLen; UInt uiLength = 1; UInt uiTemp = ++codeQuotient; while( 1 != uiTemp ) { uiTemp >>= 1; uiLength += 2; } qLen = (uiLength >> 1); qLen += ((uiLength+1) >> 1); nBits += qLen; nBits += rParam; if (abs(param)) nBits++; } #endif //CGS_3D_ASYMLUT #endif //SVC_EXTENSION //! \}