/* 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) 2010-2013, 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 (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 // ==================================================================================================================== TEncCavlc::TEncCavlc() { m_pcBitIf = NULL; m_uiCoeffCost = 0; } TEncCavlc::~TEncCavlc() { } // ==================================================================================================================== // Public member functions // ==================================================================================================================== Void TEncCavlc::resetEntropy() { } Void TEncCavlc::codeDFFlag(UInt uiCode, const Char *pSymbolName) { WRITE_FLAG(uiCode, pSymbolName); } Void TEncCavlc::codeDFSvlc(Int iCode, const Char *pSymbolName) { WRITE_SVLC(iCode, pSymbolName); } Void TEncCavlc::codeShortTermRefPicSet( TComSPS* pcSPS, 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 } Void TEncCavlc::codePPS( TComPPS* pcPPS ) { #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" ); #if L0255_MOVE_PPS_FLAGS WRITE_FLAG( pcPPS->getOutputFlagPresentFlag() ? 1 : 0, "output_flag_present_flag" ); WRITE_CODE( pcPPS->getNumExtraSliceHeaderBits(), 3, "num_extra_slice_header_bits"); #endif 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->getChromaCbQpOffset(), "pps_cb_qp_offset" ); WRITE_SVLC( pcPPS->getChromaCrQpOffset(), "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) #if !L0255_MOVE_PPS_FLAGS WRITE_FLAG( pcPPS->getOutputFlagPresentFlag() ? 1 : 0, "output_flag_present_flag" ); #endif 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->getNumColumnsMinus1(), "num_tile_columns_minus1" ); WRITE_UVLC( pcPPS->getNumRowsMinus1(), "num_tile_rows_minus1" ); WRITE_FLAG( pcPPS->getUniformSpacingFlag(), "uniform_spacing_flag" ); if( pcPPS->getUniformSpacingFlag() == 0 ) { for(UInt i=0; igetNumColumnsMinus1(); i++) { WRITE_UVLC( pcPPS->getColumnWidth(i)-1, "column_width_minus1" ); } for(UInt i=0; igetNumRowsMinus1(); i++) { WRITE_UVLC( pcPPS->getRowHeight(i)-1, "row_height_minus1" ); } } if(pcPPS->getNumColumnsMinus1() !=0 || pcPPS->getNumRowsMinus1() !=0) { WRITE_FLAG( pcPPS->getLoopFilterAcrossTilesEnabledFlag()?1 : 0, "loop_filter_across_tiles_enabled_flag"); } } WRITE_FLAG( pcPPS->getLoopFilterAcrossSlicesEnabledFlag()?1 : 0, "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() ) { #if SCALING_LIST_OUTPUT_RESULT printf("PPS\n"); #endif codeScalingList( m_pcSlice->getScalingList() ); } WRITE_FLAG( pcPPS->getListsModificationPresentFlag(), "lists_modification_present_flag"); WRITE_UVLC( pcPPS->getLog2ParallelMergeLevelMinus2(), "log2_parallel_merge_level_minus2"); #if !L0255_MOVE_PPS_FLAGS WRITE_CODE( pcPPS->getNumExtraSliceHeaderBits(), 3, "num_extra_slice_header_bits"); #endif WRITE_FLAG( pcPPS->getSliceHeaderExtensionPresentFlag() ? 1 : 0, "slice_segment_header_extension_present_flag"); WRITE_FLAG( 0, "pps_extension_flag" ); } Void TEncCavlc::codeVUI( TComVUI *pcVUI, 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_coefficients"); } } 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(), "def_disp_win_left_offset"); WRITE_UVLC(defaultDisplayWindow.getWindowRightOffset(), "def_disp_win_right_offset"); WRITE_UVLC(defaultDisplayWindow.getWindowTopOffset(), "def_disp_win_top_offset"); WRITE_UVLC(defaultDisplayWindow.getWindowBottomOffset(), "def_disp_win_bottom_offset"); } #if L0043_TIMING_INFO 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"); } #endif WRITE_FLAG(pcVUI->getHrdParametersPresentFlag(), "hrd_parameters_present_flag"); if( pcVUI->getHrdParametersPresentFlag() ) { codeHrdParameters(pcVUI->getHrdParameters(), 1, pcSPS->getMaxTLayers() - 1 ); } #if L0043_TIMING_INFO } #endif #if !L0043_TIMING_INFO WRITE_FLAG( pcVUI->getPocProportionalToTimingFlag(), "poc_proportional_to_timing_flag" ); if( pcVUI->getPocProportionalToTimingFlag() && pcVUI->getHrdParameters()->getTimingInfoPresentFlag() ) { WRITE_UVLC( pcVUI->getNumTicksPocDiffOneMinus1(), "num_ticks_poc_diff_one_minus1" ); } #endif WRITE_FLAG(pcVUI->getBitstreamRestrictionFlag(), "bitstream_restriction_flag"); if (pcVUI->getBitstreamRestrictionFlag()) { WRITE_FLAG(pcVUI->getTilesFixedStructureFlag(), "tiles_fixed_structure_flag"); #if H_MV if ( pcSPS->getLayerId() > 0 ) { WRITE_FLAG( pcVUI->getTileBoundariesAlignedFlag( ) ? 1 : 0 , "tile_boundaries_aligned_flag" ); } #endif WRITE_FLAG(pcVUI->getMotionVectorsOverPicBoundariesFlag(), "motion_vectors_over_pic_boundaries_flag"); WRITE_FLAG(pcVUI->getRestrictedRefPicListsFlag(), "restricted_ref_pic_lists_flag"); #if L0043_MSS_IDC WRITE_UVLC(pcVUI->getMinSpatialSegmentationIdc(), "min_spatial_segmentation_idc"); #else WRITE_CODE(pcVUI->getMinSpatialSegmentationIdc(), 8, "min_spatial_segmentation_idc"); #endif WRITE_UVLC(pcVUI->getMaxBytesPerPicDenom(), "max_bytes_per_pic_denom"); WRITE_UVLC(pcVUI->getMaxBitsPerMinCuDenom(), "max_bits_per_mincu_denom"); WRITE_UVLC(pcVUI->getLog2MaxMvLengthHorizontal(), "log2_max_mv_length_horizontal"); WRITE_UVLC(pcVUI->getLog2MaxMvLengthVertical(), "log2_max_mv_length_vertical"); } } Void TEncCavlc::codeHrdParameters( TComHRD *hrd, Bool commonInfPresentFlag, UInt maxNumSubLayersMinus1 ) { if( commonInfPresentFlag ) { #if !L0043_TIMING_INFO WRITE_FLAG( hrd->getTimingInfoPresentFlag() ? 1 : 0, "timing_info_present_flag" ); if( hrd->getTimingInfoPresentFlag() ) { WRITE_CODE( hrd->getNumUnitsInTick(), 32, "num_units_in_tick" ); WRITE_CODE( hrd->getTimeScale(), 32, "time_scale" ); } #endif 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_cpb_params_present_flag" ); if( hrd->getSubPicCpbParamsPresentFlag() ) { WRITE_CODE( hrd->getTickDivisorMinus2(), 8, "tick_divisor_minus2" ); WRITE_CODE( hrd->getDuCpbRemovalDelayLengthMinus1(), 5, "du_cpb_removal_delay_length_minus1" ); WRITE_FLAG( hrd->getSubPicCpbParamsInPicTimingSEIFlag() ? 1 : 0, "sub_pic_cpb_params_in_pic_timing_sei_flag" ); #if L0044_DU_DPB_OUTPUT_DELAY_HRD WRITE_CODE( hrd->getDpbOutputDelayDuLengthMinus1(), 5, "dpb_output_delay_du_length_minus1" ); #endif } 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"); if( !hrd->getFixedPicRateFlag( i ) ) { WRITE_FLAG( hrd->getFixedPicRateWithinCvsFlag( i ) ? 1 : 0, "fixed_pic_rate_within_cvs_flag"); } else { hrd->setFixedPicRateWithinCvsFlag( i, true ); } if( hrd->getFixedPicRateWithinCvsFlag( i ) ) { WRITE_UVLC( hrd->getPicDurationInTcMinus1( i ), "elemental_duration_in_tc_minus1"); } #if L0372 else { WRITE_FLAG( hrd->getLowDelayHrdFlag( i ) ? 1 : 0, "low_delay_hrd_flag"); } if (!hrd->getLowDelayHrdFlag( i )) { WRITE_UVLC( hrd->getCpbCntMinus1( i ), "cpb_cnt_minus1"); } #else WRITE_FLAG( hrd->getLowDelayHrdFlag( i ) ? 1 : 0, "low_delay_hrd_flag"); WRITE_UVLC( hrd->getCpbCntMinus1( i ), "cpb_cnt_minus1"); #endif 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() ) { #if L0363_DU_BIT_RATE WRITE_UVLC( hrd->getDuBitRateValueMinus1( i, j, nalOrVcl ), "bit_rate_du_value_minus1"); #endif WRITE_UVLC( hrd->getDuCpbSizeValueMinus1( i, j, nalOrVcl ), "cpb_size_du_value_minus1"); } WRITE_FLAG( hrd->getCbrFlag( i, j, nalOrVcl ) ? 1 : 0, "cbr_flag"); } } } } } #if H_3D Void TEncCavlc::codeSPS( TComSPS* pcSPS, Int viewIndex, Bool depthFlag ) #else Void TEncCavlc::codeSPS( TComSPS* pcSPS ) #endif { #if ENC_DEC_TRACE xTraceSPSHeader (pcSPS); #endif WRITE_CODE( pcSPS->getVPSId (), 4, "sps_video_parameter_set_id" ); WRITE_CODE( pcSPS->getMaxTLayers() - 1, 3, "sps_max_sub_layers_minus1" ); WRITE_FLAG( pcSPS->getTemporalIdNestingFlag() ? 1 : 0, "sps_temporal_id_nesting_flag" ); codePTL(pcSPS->getPTL(), 1, pcSPS->getMaxTLayers() - 1); WRITE_UVLC( pcSPS->getSPSId (), "sps_seq_parameter_set_id" ); WRITE_UVLC( pcSPS->getChromaFormatIdc (), "chroma_format_idc" ); assert(pcSPS->getChromaFormatIdc () == 1); // in the first version chroma_format_idc can only be equal to 1 (4:2:0) if( pcSPS->getChromaFormatIdc () == 3 ) { 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()) { 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" ); } WRITE_UVLC( pcSPS->getBitDepthY() - 8, "bit_depth_luma_minus8" ); WRITE_UVLC( pcSPS->getBitDepthC() - 8, "bit_depth_chroma_minus8" ); WRITE_UVLC( pcSPS->getBitsForPOC()-4, "log2_max_pic_order_cnt_lsb_minus4" ); const Bool subLayerOrderingInfoPresentFlag = 1; WRITE_FLAG(subLayerOrderingInfoPresentFlag, "sps_sub_layer_ordering_info_present_flag"); for(UInt i=0; i <= pcSPS->getMaxTLayers()-1; i++) { #if L0323_DPB WRITE_UVLC( pcSPS->getMaxDecPicBuffering(i) - 1, "sps_max_dec_pic_buffering_minus1[i]" ); #else WRITE_UVLC( pcSPS->getMaxDecPicBuffering(i), "sps_max_dec_pic_buffering[i]" ); #endif WRITE_UVLC( pcSPS->getNumReorderPics(i), "sps_num_reorder_pics[i]" ); WRITE_UVLC( pcSPS->getMaxLatencyIncrease(i), "sps_max_latency_increase[i]" ); if (!subLayerOrderingInfoPresentFlag) { break; } } assert( pcSPS->getMaxCUWidth() == pcSPS->getMaxCUHeight() ); WRITE_UVLC( pcSPS->getLog2MinCodingBlockSize() - 3, "log2_min_coding_block_size_minus3" ); WRITE_UVLC( pcSPS->getLog2DiffMaxMinCodingBlockSize(), "log2_diff_max_min_coding_block_size" ); WRITE_UVLC( pcSPS->getQuadtreeTULog2MinSize() - 2, "log2_min_transform_block_size_minus2" ); WRITE_UVLC( pcSPS->getQuadtreeTULog2MaxSize() - pcSPS->getQuadtreeTULog2MinSize(), "log2_diff_max_min_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()) { WRITE_FLAG( pcSPS->getScalingListPresentFlag() ? 1 : 0, "sps_scaling_list_data_present_flag" ); if(pcSPS->getScalingListPresentFlag()) { #if SCALING_LIST_OUTPUT_RESULT printf("SPS\n"); #endif codeScalingList( m_pcSlice->getScalingList() ); } } 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->getPCMBitDepthLuma() - 1, 4, "pcm_sample_bit_depth_luma_minus1" ); WRITE_CODE( pcSPS->getPCMBitDepthChroma() - 1, 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 ); TComRPSList* rpsList = pcSPS->getRPSList(); TComReferencePictureSet* rps; WRITE_UVLC(rpsList->getNumberOfReferencePictureSets(), "num_short_term_ref_pic_sets" ); for(Int i=0; i < rpsList->getNumberOfReferencePictureSets(); i++) { rps = rpsList->getReferencePictureSet(i); codeShortTermRefPicSet(pcSPS,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_pic_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"); } } 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); } #if H_MV WRITE_FLAG( 1, "sps_extension_flag" ); WRITE_FLAG( pcSPS->getInterViewMvVertConstraintFlag() ? 1 : 0, "inter_view_mv_vert_constraint_flag" ); //// sps_extension_vui_parameters( ) if( pcSPS->getVuiParameters()->getBitstreamRestrictionFlag() ) { WRITE_UVLC( pcSPS->getNumIlpRestrictedRefLayers( ), "num_ilp_restricted_ref_layers" ); for( Int i = 0; i < pcSPS->getNumIlpRestrictedRefLayers( ); i++ ) { WRITE_UVLC( pcSPS->getMinSpatialSegmentOffsetPlus1( i ), "min_spatial_segment_offset_plus1" ); if( pcSPS->getMinSpatialSegmentOffsetPlus1( i ) > 0 ) { WRITE_FLAG( pcSPS->getCtuBasedOffsetEnabledFlag( i ), "ctu_based_offset_enabled_flag[ i ]"); if( pcSPS->getCtuBasedOffsetEnabledFlag( i ) ) { WRITE_UVLC( pcSPS->getMinHorizontalCtuOffsetPlus1( i ), "min_horizontal_ctu_offset_plus1[ i ]"); } } } } //// sps_extension_vui_parameters( ) END WRITE_UVLC( 0, "sps_shvc_reserved_zero_idc" ); #if !H_3D WRITE_FLAG( 0, "sps_extension2_flag" ); #else WRITE_FLAG( 1, "sps_extension2_flag" ); if (!depthFlag ) { WRITE_UVLC( pcSPS->getCamParPrecision(), "cp_precision" ); WRITE_FLAG( pcSPS->hasCamParInSliceHeader() ? 1 : 0, "cp_in_slice_header_flag" ); if( !pcSPS->hasCamParInSliceHeader() ) { for( UInt uiIndex = 0; uiIndex < viewIndex; uiIndex++ ) { WRITE_SVLC( pcSPS->getCodedScale ()[ uiIndex ], "cp_scale" ); WRITE_SVLC( pcSPS->getCodedOffset ()[ uiIndex ], "cp_off" ); WRITE_SVLC( pcSPS->getInvCodedScale ()[ uiIndex ] + pcSPS->getCodedScale ()[ uiIndex ], "cp_inv_scale_plus_scale" ); WRITE_SVLC( pcSPS->getInvCodedOffset()[ uiIndex ] + pcSPS->getCodedOffset()[ uiIndex ], "cp_inv_off_plus_off" ); } } } WRITE_FLAG( 0, "sps_extension3_flag" ); #endif #else WRITE_FLAG( 0, "sps_extension_flag" ); #endif } Void TEncCavlc::codeVPS( TComVPS* pcVPS ) { WRITE_CODE( pcVPS->getVPSId(), 4, "vps_video_parameter_set_id" ); WRITE_CODE( 3, 2, "vps_reserved_three_2bits" ); #if H_MV WRITE_CODE( pcVPS->getMaxLayers() - 1, 6, "vps_max_layers_minus1" ); #else WRITE_CODE( 0, 6, "vps_reserved_zero_6bits" ); #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()); #if H_MV WRITE_CODE( 0xffff, 16, "vps_extension_offset" ); #else WRITE_CODE( 0xffff, 16, "vps_reserved_ffff_16bits" ); #endif codePTL( pcVPS->getPTL(), true, pcVPS->getMaxTLayers() - 1 ); #if SIGNAL_BITRATE_PICRATE_IN_VPS codeBitratePicRateInfo(pcVPS->getBitratePicrateInfo(), 0, pcVPS->getMaxTLayers() - 1); #endif const Bool subLayerOrderingInfoPresentFlag = 1; WRITE_FLAG(subLayerOrderingInfoPresentFlag, "vps_sub_layer_ordering_info_present_flag"); for(UInt i=0; i <= pcVPS->getMaxTLayers()-1; i++) { #if L0323_DPB WRITE_UVLC( pcVPS->getMaxDecPicBuffering(i) - 1, "vps_max_dec_pic_buffering_minus1[i]" ); #else WRITE_UVLC( pcVPS->getMaxDecPicBuffering(i), "vps_max_dec_pic_buffering[i]" ); #endif WRITE_UVLC( pcVPS->getNumReorderPics(i), "vps_num_reorder_pics[i]" ); WRITE_UVLC( pcVPS->getMaxLatencyIncrease(i), "vps_max_latency_increase[i]" ); if (!subLayerOrderingInfoPresentFlag) { break; } } assert( pcVPS->getNumHrdParameters() <= MAX_VPS_NUM_HRD_PARAMETERS ); #if H_MV assert( pcVPS->getVpsMaxLayerId() < MAX_VPS_NUH_LAYER_ID_PLUS1 ); WRITE_CODE( pcVPS->getVpsMaxLayerId(), 6, "vps_max_layer_id" ); #else assert( pcVPS->getMaxNuhReservedZeroLayerId() < MAX_VPS_NUH_RESERVED_ZERO_LAYER_ID_PLUS1 ); WRITE_CODE( pcVPS->getMaxNuhReservedZeroLayerId(), 6, "vps_max_nuh_reserved_zero_layer_id" ); #endif pcVPS->setMaxOpSets(1); WRITE_UVLC( pcVPS->getMaxOpSets() - 1, "vps_max_op_sets_minus1" ); for( UInt opsIdx = 1; opsIdx <= ( pcVPS->getMaxOpSets() - 1 ); opsIdx ++ ) { // Operation point set #if H_MV for( UInt i = 0; i <= pcVPS->getVpsMaxLayerId(); i ++ ) #else for( UInt i = 0; i <= pcVPS->getMaxNuhReservedZeroLayerId(); i ++ ) #endif { // Only applicable for version 1 pcVPS->setLayerIdIncludedFlag( true, opsIdx, i ); WRITE_FLAG( pcVPS->getLayerIdIncludedFlag( opsIdx, i ) ? 1 : 0, "layer_id_included_flag[opsIdx][i]" ); } } #if L0043_TIMING_INFO 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"); } #endif pcVPS->setNumHrdParameters( 0 ); WRITE_UVLC( pcVPS->getNumHrdParameters(), "vps_num_hrd_parameters" ); if( pcVPS->getNumHrdParameters() > 0 ) { pcVPS->createHrdParamBuffer(); } for( UInt i = 0; i < pcVPS->getNumHrdParameters(); i ++ ) { // Only applicable for version 1 pcVPS->setHrdOpSetIdx( 0, i ); WRITE_UVLC( pcVPS->getHrdOpSetIdx( i ), "hrd_op_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 L0043_TIMING_INFO } #endif #if H_MV WRITE_FLAG( 1, "vps_extension_flag" ); m_pcBitIf->writeAlignOne(); WRITE_FLAG( pcVPS->getAvcBaseLayerFlag() ? 1 : 0, "avc_base_layer_flag" ); WRITE_FLAG( pcVPS->getSplittingFlag() ? 1 : 0, "splitting_flag" ); for( Int type = 0; type < MAX_NUM_SCALABILITY_TYPES; type++ ) { WRITE_FLAG( pcVPS->getScalabilityMask( type ) ? 1 : 0, "scalability_mask[i]" ); } for( Int sIdx = 0; sIdx < pcVPS->getNumScalabilityTypes( ) - ( pcVPS->getSplittingFlag() ? 1 : 0 ); sIdx++ ) { WRITE_CODE( pcVPS->getDimensionIdLen( sIdx ) - 1 , 3, "dimension_id_len_minus1[j]"); } WRITE_FLAG( pcVPS->getVpsNuhLayerIdPresentFlag() ? 1 : 0, "vps_nuh_layer_id_present_flag"); for( Int i = 0; i <= pcVPS->getMaxLayers() - 1; i++ ) { if ( pcVPS->getVpsNuhLayerIdPresentFlag() && ( i > 0 ) ) { WRITE_CODE( pcVPS->getLayerIdInNuh( i ), 6, "layer_id_in_nuh[i]"); } else { assert( pcVPS->getLayerIdInNuh( i ) == i ); } assert( pcVPS->getLayerIdInVps( pcVPS->getLayerIdInNuh( i ) ) == i ); if ( !pcVPS->getSplittingFlag() ) { for( Int j = 0; j < pcVPS->getNumScalabilityTypes() ; j++ ) { WRITE_CODE( pcVPS->getDimensionId( i, j ), pcVPS->getDimensionIdLen( j ), "dimension_id[i][j]"); } } } for( Int i = 1; i <= pcVPS->getMaxLayers() - 1; i++ ) { for( Int j = 0; j < i; j++ ) { WRITE_FLAG( pcVPS->getDirectDependencyFlag( i, j ), "direct_dependency_flag[i][j]" ); } } for( Int i = 0; i < pcVPS->getMaxLayers() - 1; i++ ) { WRITE_CODE( pcVPS->getMaxTidIlRefPicPlus1( i ), 3, "max_tid_il_ref_pics_plus1[i]" ); } WRITE_CODE( pcVPS->getVpsNumberLayerSetsMinus1( ) , 10, "vps_number_layer_sets_minus1" ); WRITE_CODE( pcVPS->getVpsNumProfileTierLevelMinus1( ), 6, "vps_num_profile_tier_level_minus1" ); for( Int i = 1; i <= pcVPS->getVpsNumProfileTierLevelMinus1(); i++ ) { WRITE_FLAG( pcVPS->getVpsProfilePresentFlag( i ) ? 1 : 0, "vps_profile_present_flag[i]" ); if( !pcVPS->getVpsProfilePresentFlag( i ) ) { WRITE_CODE( pcVPS->getProfileRefMinus1( i ), 6, "profile_ref_minus1[i]" ); } codePTL( pcVPS->getPTL( i ), pcVPS->getVpsProfilePresentFlag( i ), pcVPS->getMaxTLayers() - 1 ); } Int numOutputLayerSets = pcVPS->getVpsNumberLayerSetsMinus1( ) + 1; WRITE_FLAG( pcVPS->getMoreOutputLayerSetsThanDefaultFlag( ) ? 1 : 0, "more_output_layer_sets_than_default_flag" ); if ( pcVPS->getMoreOutputLayerSetsThanDefaultFlag( ) ) { WRITE_CODE( pcVPS->getNumAddOutputLayerSetsMinus1( ) , 10, "num_add_output_layer_sets_minus1" ); numOutputLayerSets += pcVPS->getNumAddOutputLayerSetsMinus1( ); } if( numOutputLayerSets > 1) { WRITE_FLAG( pcVPS->getDefaultOneTargetOutputLayerFlag( ) ? 1 : 0, "default_one_target_output_layer_flag" ); } for( Int i = 1; i < numOutputLayerSets; i++ ) { if( i > pcVPS->getVpsNumberLayerSetsMinus1( ) ) { WRITE_UVLC( pcVPS->getOutputLayerSetIdxMinus1( i ), "output_layer_set_idx_minus1[i]" ); for( Int j = 0; j <= pcVPS->getNumLayersInIdList( j ); j++ ) { WRITE_FLAG( pcVPS->getOutputLayerFlag( i, j) ? 1 : 0, "output_layer_flag" ); } WRITE_CODE( pcVPS->getProfileLevelTierIdx( i ), pcVPS->getProfileLevelTierIdxLen() ,"profile_level_tier_idx[ i ]" ); } } WRITE_FLAG( pcVPS->getMaxOneActiveRefLayerFlag( ) ? 1 : 0, "max_one_active_ref_layer_flag" ); WRITE_UVLC( pcVPS->getDirectDepTypeLenMinus2 ( ), "direct_dep_type_len_minus2"); for( Int i = 1; i <= pcVPS->getMaxLayers() - 1; i++ ) { for( Int j = 0; j < i; j++ ) { WRITE_CODE( pcVPS->getDirectDependencyType( i, j ),pcVPS->getDirectDepTypeLenMinus2( ) + 2, "direct_dependency_type[i][j]" ); } } WRITE_FLAG ( 0, "vps_shvc_reserved_zero_flag" ); #if H_3D WRITE_FLAG( 0, "vps_extension2_flag" ); #endif #else WRITE_FLAG( 0, "vps_extension_flag" ); #endif //future extensions here.. return; } Void TEncCavlc::codeSliceHeader ( TComSlice* pcSlice ) { #if H_MV TComVPS* vps = pcSlice->getVPS(); #endif #if ENC_DEC_TRACE xTraceSliceHeader (pcSlice); #endif //calculate number of bits required for slice address Int maxSliceSegmentAddress = pcSlice->getPic()->getNumCUsInFrame(); Int bitsSliceSegmentAddress = 0; while(maxSliceSegmentAddress>(1<isNextSlice()) { // Calculate slice address ctuAddress = (pcSlice->getSliceCurStartCUAddr()/pcSlice->getPic()->getNumPartInCU()); } else { // Calculate slice address ctuAddress = (pcSlice->getSliceSegmentCurStartCUAddr()/pcSlice->getPic()->getNumPartInCU()); } //write slice address Int sliceSegmentAddress = pcSlice->getPic()->getPicSym()->getCUOrderMap(ctuAddress); WRITE_FLAG( sliceSegmentAddress==0, "first_slice_segment_in_pic_flag" ); if ( pcSlice->getRapPicFlag() ) { WRITE_FLAG( 0, "no_output_of_prior_pics_flag" ); } WRITE_UVLC( pcSlice->getPPS()->getPPSId(), "slice_pic_parameter_set_id" ); pcSlice->setDependentSliceSegmentFlag(!pcSlice->isNextSlice()); if ( pcSlice->getPPS()->getDependentSliceSegmentsEnabledFlag() && (sliceSegmentAddress!=0) ) { WRITE_FLAG( pcSlice->getDependentSliceSegmentFlag() ? 1 : 0, "dependent_slice_segment_flag" ); } if(sliceSegmentAddress>0) { WRITE_CODE( sliceSegmentAddress, bitsSliceSegmentAddress, "slice_segment_address" ); } if ( !pcSlice->getDependentSliceSegmentFlag() ) { #if H_MV if ( pcSlice->getPPS()->getNumExtraSliceHeaderBits() > 0 ) { WRITE_FLAG( pcSlice->getDiscardableFlag( ) ? 1 : 0 , "discardable_flag" ); } for (Int i = 1; i < pcSlice->getPPS()->getNumExtraSliceHeaderBits(); i++) #else for (Int i = 0; i < pcSlice->getPPS()->getNumExtraSliceHeaderBits(); i++) #endif { assert(!!"slice_reserved_undetermined_flag[]"); WRITE_FLAG(0, "slice_reserved_undetermined_flag[]"); } WRITE_UVLC( pcSlice->getSliceType(), "slice_type" ); if( pcSlice->getPPS()->getOutputFlagPresentFlag() ) { WRITE_FLAG( pcSlice->getPicOutputFlag() ? 1 : 0, "pic_output_flag" ); } // in the first version chroma_format_idc is equal to one, thus colour_plane_id will not be present assert (pcSlice->getSPS()->getChromaFormatIdc() == 1 ); // if( separate_colour_plane_flag == 1 ) // colour_plane_id u(2) #if H_MV // Temporary fix for FIX1071 should be removed later TComReferencePictureSet* rps = pcSlice->getRPS(); #endif if( !pcSlice->getIdrPicFlag() ) { Int picOrderCntLSB = (pcSlice->getPOC()-pcSlice->getLastIDR()+(1<getSPS()->getBitsForPOC()))%(1<getSPS()->getBitsForPOC()); WRITE_CODE( picOrderCntLSB, pcSlice->getSPS()->getBitsForPOC(), "pic_order_cnt_lsb"); #if !H_MV // Temporary fix for FIX1071 should be removed later TComReferencePictureSet* rps = pcSlice->getRPS(); #endif #if FIX1071 // Deal with 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 TComReferencePictureSet altRps; Bool useAltRps = false; if (pcSlice->getRapPicFlag()) { for (Int picIdx = 0; !useAltRps && picIdx < rps->getNumberOfPictures(); picIdx++) { useAltRps = rps->getUsed(picIdx); } if (useAltRps) { memcpy(&altRps, rps, sizeof(TComReferencePictureSet)); rps = &altRps; for (Int picIdx = 0; picIdx < rps->getNumberOfPictures(); picIdx++) { rps->setUsed(picIdx, false); } } } if(pcSlice->getRPSidx() < 0 || useAltRps) #else if(pcSlice->getRPSidx() < 0) #endif { WRITE_FLAG( 0, "short_term_ref_pic_set_sps_flag"); codeShortTermRefPicSet(pcSlice->getSPS(), 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; 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; 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(); for(Int i=rps->getNumberOfPictures()-1 ; i > offset-1; i--) { 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_enable_flag" ); } } #if H_MV Int layerIdInVps = pcSlice->getLayerIdInVps(); if( pcSlice->getLayerId() > 0 && vps->getNumDirectRefLayers( layerIdInVps ) > 0 ) { WRITE_FLAG( pcSlice->getInterLayerPredEnabledFlag( ) ? 1 : 0 , "inter_layer_pred_enabled_flag" ); if( pcSlice->getInterLayerPredEnabledFlag() && vps->getNumDirectRefLayers( layerIdInVps ) > 1 ) { if( !vps->getMaxOneActiveRefLayerFlag()) { WRITE_CODE( pcSlice->getNumInterLayerRefPicsMinus1( ), pcSlice->getNumInterLayerRefPicsMinus1Len( ), "num_inter_layer_ref_pics_minus1" ); } for( Int i = 0; i < pcSlice->getNumActiveRefLayerPics(); i++ ) { WRITE_CODE( pcSlice->getInterLayerPredLayerIdc( i ), pcSlice->getInterLayerPredLayerIdcLen( ), "inter_layer_pred_layer_idc" ); } } } pcSlice->setActiveMotionPredRefLayers( ); if( vps->getNumSamplePredRefLayers( layerIdInVps ) > 0 && pcSlice->getNumActiveRefLayerPics() > 0 ) { WRITE_FLAG( pcSlice->getInterLayerSamplePredOnlyFlag( ) ? 1 : 0 , "inter_layer_sample_pred_only_flag" ); } #endif if(pcSlice->getSPS()->getUseSAO()) { if (pcSlice->getSPS()->getUseSAO()) { WRITE_FLAG( pcSlice->getSaoEnabledFlag(), "slice_sao_luma_flag" ); { SAOParam *saoParam = pcSlice->getPic()->getPicSym()->getSaoParam(); WRITE_FLAG( saoParam->bSaoFlag[1], "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 H_MV // Temporary fix for FIX1071 should be removed later if( pcSlice->getPPS()->getListsModificationPresentFlag() && pcSlice->getNumRpsCurrTempList( rps ) > 1) #else if( pcSlice->getPPS()->getListsModificationPresentFlag() && pcSlice->getNumRpsCurrTempList() > 1) #endif { 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(); Int encCABACTableIdx = pcSlice->getPPS()->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 H_MV if( pcSlice->getLayerId() > 0 && pcSlice->getNumActiveMotionPredRefLayers() > 0 ) { WRITE_FLAG( pcSlice->getAltCollocatedIndicationFlag( ) ? 1 : 0 , "alt_collocated_indication_flag" ); if( pcSlice->getAltCollocatedIndicationFlag() && pcSlice->getNumActiveMotionPredRefLayers() > 1 ) { WRITE_UVLC( pcSlice->getCollocatedRefLayerIdx( ), "collocated_ref_layer_idx" ); } } else { #endif 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 H_MV } #endif 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()) { iCode = pcSlice->getSliceQpDeltaCb(); WRITE_SVLC( iCode, "slice_qp_delta_cb" ); iCode = pcSlice->getSliceQpDeltaCr(); WRITE_SVLC( iCode, "slice_qp_delta_cr" ); } 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())?(false):(pcSlice->getSaoEnabledFlag()||pcSlice->getSaoEnabledFlagChroma()); Bool isDBFEnabled = (!pcSlice->getDeblockingFilterDisable()); if(pcSlice->getPPS()->getLoopFilterAcrossSlicesEnabledFlag() && ( isSAOEnabled || isDBFEnabled )) { WRITE_FLAG(pcSlice->getLFCrossSliceBoundaryFlag()?1:0, "slice_loop_filter_across_slices_enabled_flag"); } } if(pcSlice->getPPS()->getSliceHeaderExtensionPresentFlag()) { #if !H_3D WRITE_UVLC(0,"slice_header_extension_length"); #else WRITE_UVLC(0,"slice_header_extension_length"); //<- this element needs to be set to the correct value!! if( pcSlice->getSPS()->hasCamParInSliceHeader() ) { for( UInt uiId = 0; uiId < pcSlice->getViewIndex(); uiId++ ) { WRITE_SVLC( pcSlice->getCodedScale ()[ uiId ], "cp_scale" ); WRITE_SVLC( pcSlice->getCodedOffset ()[ uiId ], "cp_off" ); WRITE_SVLC( pcSlice->getInvCodedScale ()[ uiId ] + pcSlice->getCodedScale ()[ uiId ], "cp_inv_scale_plus_scale" ); WRITE_SVLC( pcSlice->getInvCodedOffset()[ uiId ] + pcSlice->getCodedOffset()[ uiId ], "cp_inv_off_plus_off" ); } } Bool sliceSegmentHeaderExtension2Flag = false; WRITE_FLAG( sliceSegmentHeaderExtension2Flag ? 1 : 0 , "slice_segment_header_extension2_flag" ); if ( sliceSegmentHeaderExtension2Flag ) { WRITE_UVLC(0,"slice_header_extension2_length"); } #endif } } Void TEncCavlc::codePTL( TComPTL* pcPTL, Bool profilePresentFlag, Int maxNumSubLayersMinus1) { if(profilePresentFlag) { codeProfileTier(pcPTL->getGeneralPTL()); // general_... } WRITE_CODE( pcPTL->getGeneralPTL()->getLevelIdc(), 8, "general_level_idc" ); #if L0363_BYTE_ALIGN for (Int i = 0; i < maxNumSubLayersMinus1; i++) { #if !H_MV if(profilePresentFlag) { #endif WRITE_FLAG( pcPTL->getSubLayerProfilePresentFlag(i), "sub_layer_profile_present_flag[i]" ); #if !H_MV } #endif 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"); } } #endif for(Int i = 0; i < maxNumSubLayersMinus1; i++) { #if !L0363_BYTE_ALIGN if(profilePresentFlag) { WRITE_FLAG( pcPTL->getSubLayerProfilePresentFlag(i), "sub_layer_profile_present_flag[i]" ); } WRITE_FLAG( pcPTL->getSubLayerLevelPresentFlag(i), "sub_layer_level_present_flag[i]" ); #endif if( profilePresentFlag && pcPTL->getSubLayerProfilePresentFlag(i) ) { codeProfileTier(pcPTL->getSubLayerPTL(i)); // sub_layer_... } if( pcPTL->getSubLayerLevelPresentFlag(i) ) { WRITE_CODE( pcPTL->getSubLayerPTL(i)->getLevelIdc(), 8, "sub_layer_level_idc[i]" ); } } } Void TEncCavlc::codeProfileTier( ProfileTierLevel* ptl ) { WRITE_CODE( ptl->getProfileSpace(), 2 , "XXX_profile_space[]"); WRITE_FLAG( ptl->getTierFlag (), "XXX_tier_flag[]" ); WRITE_CODE( ptl->getProfileIdc (), 5 , "XXX_profile_idc[]" ); for(Int j = 0; j < 32; j++) { WRITE_FLAG( ptl->getProfileCompatibilityFlag(j), "XXX_profile_compatibility_flag[][j]"); } #if L0046_CONSTRAINT_FLAGS WRITE_FLAG(ptl->getProgressiveSourceFlag(), "general_progressive_source_flag"); WRITE_FLAG(ptl->getInterlacedSourceFlag(), "general_interlaced_source_flag"); WRITE_FLAG(ptl->getNonPackedConstraintFlag(), "general_non_packed_constraint_flag"); WRITE_FLAG(ptl->getFrameOnlyConstraintFlag(), "general_frame_only_constraint_flag"); WRITE_CODE(0 , 16, "XXX_reserved_zero_44bits[0..15]"); WRITE_CODE(0 , 16, "XXX_reserved_zero_44bits[16..31]"); WRITE_CODE(0 , 12, "XXX_reserved_zero_44bits[32..43]"); #elif L0363_MORE_BITS WRITE_CODE(0 , 16, "XXX_reserved_zero_48bits[0..15]"); WRITE_CODE(0 , 16, "XXX_reserved_zero_48bits[16..31]"); WRITE_CODE(0 , 16, "XXX_reserved_zero_48bits[32..47]"); #else WRITE_CODE(0 , 16, "XXX_reserved_zero_16bits[]"); #endif } #if SIGNAL_BITRATE_PICRATE_IN_VPS Void TEncCavlc::codeBitratePicRateInfo(TComBitRatePicRateInfo *info, Int tempLevelLow, Int tempLevelHigh) { for(Int i = tempLevelLow; i <= tempLevelHigh; i++) { WRITE_FLAG( info->getBitRateInfoPresentFlag(i), "bit_rate_info_present_flag[i]" ); WRITE_FLAG( info->getPicRateInfoPresentFlag(i), "pic_rate_info_present_flag[i]" ); if(info->getBitRateInfoPresentFlag(i)) { WRITE_CODE( info->getAvgBitRate(i), 16, "avg_bit_rate[i]" ); WRITE_CODE( info->getMaxBitRate(i), 16, "max_bit_rate[i]" ); } if(info->getPicRateInfoPresentFlag(i)) { WRITE_CODE( info->getConstantPicRateIdc(i), 2, "constant_pic_rate_idc[i]" ); WRITE_CODE( info->getAvgPicRate(i), 16, "avg_pic_rate[i]" ); } } } #endif /** - write wavefront substreams sizes for the slice header. . \param pcSlice Where we find the substream size information. */ Void TEncCavlc::codeTilesWPPEntryPoint( TComSlice* pSlice ) { if (!pSlice->getPPS()->getTilesEnabledFlag() && !pSlice->getPPS()->getEntropyCodingSyncEnabledFlag()) { return; } UInt numEntryPointOffsets = 0, offsetLenMinus1 = 0, maxOffset = 0; Int numZeroSubstreamsAtStartOfSlice = 0; UInt *entryPointOffset = NULL; if ( pSlice->getPPS()->getTilesEnabledFlag() ) { numEntryPointOffsets = pSlice->getTileLocationCount(); entryPointOffset = new UInt[numEntryPointOffsets]; for (Int idx=0; idxgetTileLocationCount(); idx++) { if ( idx == 0 ) { entryPointOffset [ idx ] = pSlice->getTileLocation( 0 ); } else { entryPointOffset [ idx ] = pSlice->getTileLocation( idx ) - pSlice->getTileLocation( idx-1 ); } if ( entryPointOffset[ idx ] > maxOffset ) { maxOffset = entryPointOffset[ idx ]; } } } else if ( pSlice->getPPS()->getEntropyCodingSyncEnabledFlag() ) { UInt* pSubstreamSizes = pSlice->getSubstreamSizes(); Int maxNumParts = pSlice->getPic()->getNumPartInCU(); numZeroSubstreamsAtStartOfSlice = pSlice->getSliceSegmentCurStartCUAddr()/maxNumParts/pSlice->getPic()->getFrameWidthInCU(); Int numZeroSubstreamsAtEndOfSlice = pSlice->getPic()->getFrameHeightInCU()-1 - ((pSlice->getSliceSegmentCurEndCUAddr()-1)/maxNumParts/pSlice->getPic()->getFrameWidthInCU()); numEntryPointOffsets = pSlice->getPPS()->getNumSubstreams() - numZeroSubstreamsAtStartOfSlice - numZeroSubstreamsAtEndOfSlice - 1; pSlice->setNumEntryPointOffsets(numEntryPointOffsets); entryPointOffset = new UInt[numEntryPointOffsets]; for (Int idx=0; idx> 3 ) ; if ( entryPointOffset[ idx ] > maxOffset ) { maxOffset = entryPointOffset[ idx ]; } } } // Determine number of bits "offsetLenMinus1+1" required for entry point information offsetLenMinus1 = 0; while (maxOffset >= (1u << (offsetLenMinus1 + 1))) { offsetLenMinus1++; assert(offsetLenMinus1 + 1 < 32); } WRITE_UVLC(numEntryPointOffsets, "num_entry_point_offsets"); if (numEntryPointOffsets>0) { WRITE_UVLC(offsetLenMinus1, "offset_len_minus1"); } for (UInt idx=0; idxgetQP( uiAbsPartIdx ) - pcCU->getRefQP( uiAbsPartIdx ); Int qpBdOffsetY = pcCU->getSlice()->getSPS()->getQpBDOffsetY(); iDQp = (iDQp + 78 + qpBdOffsetY + (qpBdOffsetY/2)) % (52 + qpBdOffsetY) - 26 - (qpBdOffsetY/2); xWriteSvlc( iDQp ); return; } Void TEncCavlc::codeCoeffNxN ( TComDataCU* pcCU, TCoeff* pcCoef, UInt uiAbsPartIdx, UInt uiWidth, UInt uiHeight, UInt uiDepth, TextType eTType ) { assert(0); } Void TEncCavlc::estBit( estBitsSbacStruct* pcEstBitsCabac, Int width, Int height, TextType eTType ) { // printf("error : no VLC mode support in this version\n"); return; } // ==================================================================================================================== // Protected member functions // ==================================================================================================================== /** code explicit wp tables * \param TComSlice* pcSlice * \returns Void */ Void TEncCavlc::xCodePredWeightTable( TComSlice* pcSlice ) { wpScalingParam *wp; Bool bChroma = true; // color always present in HEVC ? Int iNbRef = (pcSlice->getSliceType() == B_SLICE ) ? (2) : (1); Bool bDenomCoded = false; UInt uiMode = 0; UInt uiTotalSignalledWeightFlags = 0; if ( (pcSlice->getSliceType()==P_SLICE && pcSlice->getPPS()->getUseWP()) || (pcSlice->getSliceType()==B_SLICE && pcSlice->getPPS()->getWPBiPred()) ) { uiMode = 1; // explicit } if(uiMode == 1) { for ( Int iNumRef=0 ; iNumRefgetNumRefIdx(eRefPicList) ; iRefIdx++ ) { pcSlice->getWpScaling(eRefPicList, iRefIdx, wp); if ( !bDenomCoded ) { Int iDeltaDenom; WRITE_UVLC( wp[0].uiLog2WeightDenom, "luma_log2_weight_denom" ); // ue(v): luma_log2_weight_denom if( bChroma ) { iDeltaDenom = (wp[1].uiLog2WeightDenom - wp[0].uiLog2WeightDenom); WRITE_SVLC( iDeltaDenom, "delta_chroma_log2_weight_denom" ); // se(v): delta_chroma_log2_weight_denom } bDenomCoded = true; } WRITE_FLAG( wp[0].bPresentFlag, "luma_weight_lX_flag" ); // u(1): luma_weight_lX_flag uiTotalSignalledWeightFlags += wp[0].bPresentFlag; } if (bChroma) { for ( Int iRefIdx=0 ; iRefIdxgetNumRefIdx(eRefPicList) ; iRefIdx++ ) { pcSlice->getWpScaling(eRefPicList, iRefIdx, wp); WRITE_FLAG( wp[1].bPresentFlag, "chroma_weight_lX_flag" ); // u(1): chroma_weight_lX_flag uiTotalSignalledWeightFlags += 2*wp[1].bPresentFlag; } } for ( Int iRefIdx=0 ; iRefIdxgetNumRefIdx(eRefPicList) ; iRefIdx++ ) { pcSlice->getWpScaling(eRefPicList, iRefIdx, wp); if ( wp[0].bPresentFlag ) { Int iDeltaWeight = (wp[0].iWeight - (1<>(wp[j].uiLog2WeightDenom) ) ); Int iDeltaChroma = (wp[j].iOffset - pred); WRITE_SVLC( iDeltaChroma, "delta_chroma_offset_lX" ); // se(v): delta_chroma_offset_lX } } } } } assert(uiTotalSignalledWeightFlags<=24); } } /** code quantization matrix * \param scalingList quantization matrix information */ Void TEncCavlc::codeScalingList( TComScalingList* scalingList ) { UInt listId,sizeId; Bool scalingListPredModeFlag; #if SCALING_LIST_OUTPUT_RESULT Int startBit; Int startTotalBit; startBit = m_pcBitIf->getNumberOfWrittenBits(); startTotalBit = m_pcBitIf->getNumberOfWrittenBits(); #endif //for each size for(sizeId = 0; sizeId < SCALING_LIST_SIZE_NUM; sizeId++) { for(listId = 0; listId < g_scalingListNum[sizeId]; listId++) { #if SCALING_LIST_OUTPUT_RESULT startBit = m_pcBitIf->getNumberOfWrittenBits(); #endif scalingListPredModeFlag = scalingList->checkPredMode( sizeId, listId ); WRITE_FLAG( scalingListPredModeFlag, "scaling_list_pred_mode_flag" ); if(!scalingListPredModeFlag)// Copy Mode { WRITE_UVLC( (Int)listId - (Int)scalingList->getRefMatrixId (sizeId,listId), "scaling_list_pred_matrix_id_delta"); } else// DPCM Mode { xCodeScalingList(scalingList, sizeId, listId); } #if SCALING_LIST_OUTPUT_RESULT printf("Matrix [%d][%d] Bit %d\n",sizeId,listId,m_pcBitIf->getNumberOfWrittenBits() - startBit); #endif } } #if SCALING_LIST_OUTPUT_RESULT printf("Total Bit %d\n",m_pcBitIf->getNumberOfWrittenBits()-startTotalBit); #endif return; } /** code DPCM * \param scalingList quantization matrix information * \param sizeIdc size index * \param listIdc list index */ Void TEncCavlc::xCodeScalingList(TComScalingList* scalingList, UInt sizeId, UInt listId) { Int coefNum = min(MAX_MATRIX_COEF_NUM,(Int)g_scalingListSize[sizeId]); UInt* scan = (sizeId == 0) ? g_auiSigLastScan [ SCAN_DIAG ] [ 1 ] : g_sigLastScanCG32x32; Int nextCoef = SCALING_LIST_START_VALUE; Int data; 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()); 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; } Bool TComScalingList::checkPredMode(UInt sizeId, UInt listId) { for(Int predListIdx = (Int)listId ; predListIdx >= 0; predListIdx--) { if( !memcmp(getScalingListAddress(sizeId,listId),((listId == predListIdx) ? getScalingListDefaultAddress(sizeId, predListIdx): getScalingListAddress(sizeId, predListIdx)),sizeof(Int)*min(MAX_MATRIX_COEF_NUM,(Int)g_scalingListSize[sizeId])) // check value of matrix && ((sizeId < SCALING_LIST_16x16) || (getScalingListDC(sizeId,listId) == getScalingListDC(sizeId,predListIdx)))) // check DC value { setRefMatrixId(sizeId, listId, predListIdx); return false; } } return true; } //! \}