/* 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) 2010-2012, 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() ); } #if !REMOVE_APS Void xTraceAPSHeader (TComAPS *pAPS) { fprintf( g_hTrace, "=========== Adaptation Parameter Set ===========\n"); } #endif Void xTraceSliceHeader (TComSlice *pSlice) { fprintf( g_hTrace, "=========== Slice ===========\n"); } #endif // ==================================================================================================================== // Constructor / destructor / create / destroy // ==================================================================================================================== TEncCavlc::TEncCavlc() { m_pcBitIf = NULL; m_uiCoeffCost = 0; #if !REMOVE_FGS m_iSliceGranularity = 0; #endif } TEncCavlc::~TEncCavlc() { } // ==================================================================================================================== // Public member functions // ==================================================================================================================== Void TEncCavlc::resetEntropy() { } #if !REMOVE_APS Void TEncCavlc::codeAPSInitInfo(TComAPS* pcAPS) { #if ENC_DEC_TRACE xTraceAPSHeader(pcAPS); #endif //APS ID WRITE_UVLC( pcAPS->getAPSID(), "aps_id" ); } #endif Void TEncCavlc::codeDFFlag(UInt uiCode, const Char *pSymbolName) { WRITE_FLAG(uiCode, pSymbolName); } Void TEncCavlc::codeDFSvlc(Int iCode, const Char *pSymbolName) { WRITE_SVLC(iCode, pSymbolName); } #if J0234_INTER_RPS_SIMPL Void TEncCavlc::codeShortTermRefPicSet( TComSPS* pcSPS, TComReferencePictureSet* rps, Bool calledFromSliceHeader) #else Void TEncCavlc::codeShortTermRefPicSet( TComSPS* pcSPS, TComReferencePictureSet* rps ) #endif { #if PRINT_RPS_INFO int lastBits = getNumberOfWrittenBits(); #endif WRITE_FLAG( rps->getInterRPSPrediction(), "inter_ref_pic_set_prediction_flag" ); // inter_RPS_prediction_flag if (rps->getInterRPSPrediction()) { Int deltaRPS = rps->getDeltaRPS(); #if J0234_INTER_RPS_SIMPL if(calledFromSliceHeader) { WRITE_UVLC( rps->getDeltaRIdxMinus1(), "delta_idx_minus1" ); // delta index of the Reference Picture Set used for prediction minus 1 } #else WRITE_UVLC( rps->getDeltaRIdxMinus1(), "delta_idx_minus1" ); // delta index of the Reference Picture Set used for prediction minus 1 #endif 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(), "pic_parameter_set_id" ); WRITE_UVLC( pcPPS->getSPSId(), "seq_parameter_set_id" ); 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(), "pic_init_qp_minus26"); WRITE_FLAG( pcPPS->getConstrainedIntraPred() ? 1 : 0, "constrained_intra_pred_flag" ); #if PPS_TS_FLAG WRITE_FLAG( pcPPS->getUseTransformSkip() ? 1 : 0, "transform_skip_enabled_flag" ); #endif #if !REMOVE_FGS WRITE_CODE( pcPPS->getSliceGranularity(), 2, "slice_granularity"); #endif #if CU_DQP_ENABLE_FLAG WRITE_FLAG( pcPPS->getUseDQP() ? 1 : 0, "cu_qp_delta_enabled_flag" ); if ( pcPPS->getUseDQP() ) { #if REMOVE_FGS WRITE_UVLC( pcPPS->getMaxCuDQPDepth(), "diff_cu_qp_delta_depth" ); #else WRITE_UVLC( pcPPS->getMaxCuDQPDepth() - pcPPS->getSliceGranularity(), "diff_cu_qp_delta_depth" ); #endif } #else #if REMOVE_FGS WRITE_UVLC( pcPPS->getMaxCuDQPDepth() + pcPPS->getUseDQP(), "diff_cu_qp_delta_depth" ); #else WRITE_UVLC( pcPPS->getMaxCuDQPDepth() - pcPPS->getSliceGranularity() + pcPPS->getUseDQP(), "diff_cu_qp_delta_depth" ); #endif #endif WRITE_SVLC( pcPPS->getChromaCbQpOffset(), "cb_qp_offset" ); WRITE_SVLC( pcPPS->getChromaCrQpOffset(), "cr_qp_offset" ); #if CHROMA_QP_EXTENSION WRITE_FLAG( pcPPS->getSliceChromaQpFlag() ? 1 : 0, "slicelevel_chroma_qp_flag" ); #endif 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->getOutputFlagPresentFlag() ? 1 : 0, "output_flag_present_flag" ); #if !TILES_WPP_ENTROPYSLICES_FLAGS #if DEPENDENT_SLICES WRITE_FLAG( pcPPS->getDependentSliceEnabledFlag() ? 1 : 0, "dependent_slices_enabled_flag" ); #endif #endif WRITE_FLAG( pcPPS->getTransquantBypassEnableFlag() ? 1 : 0, "transquant_bypass_enable_flag" ); #if TILES_WPP_ENTROPYSLICES_FLAGS #if DEPENDENT_SLICES WRITE_FLAG( pcPPS->getDependentSliceEnabledFlag() ? 1 : 0, "dependent_slice_enabled_flag" ); #endif WRITE_FLAG( pcPPS->getTilesEnabledFlag() ? 1 : 0, "tiles_enabled_flag" ); WRITE_FLAG( pcPPS->getEntropyCodingSyncEnabledFlag() ? 1 : 0, "entropy_coding_sync_enabled_flag" ); WRITE_FLAG( pcPPS->getEntropySliceEnabledFlag() ? 1 : 0, "entropy_slice_enabled_flag" ); if( pcPPS->getTilesEnabledFlag() ) #else Int tilesOrEntropyCodingSyncIdc = 0; if ( pcPPS->getNumColumnsMinus1() > 0 || pcPPS->getNumRowsMinus1() > 0) { tilesOrEntropyCodingSyncIdc = 1; } else if ( pcPPS->getNumSubstreams() > 1 ) { tilesOrEntropyCodingSyncIdc = 2; } #if DEPENDENT_SLICES else if( pcPPS->getDependentSliceEnabledFlag() ) { if(pcPPS->getTilesOrEntropyCodingSyncIdc() != 2) { tilesOrEntropyCodingSyncIdc = 3; } else { tilesOrEntropyCodingSyncIdc = 2; } } #endif pcPPS->setTilesOrEntropyCodingSyncIdc( tilesOrEntropyCodingSyncIdc ); WRITE_CODE(tilesOrEntropyCodingSyncIdc, 2, "tiles_or_entropy_coding_sync_idc"); if(pcPPS->getTilesOrEntropyCodingSyncIdc()==1) #endif { 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"); } } #if !TILES_WPP_ENTROPYSLICES_FLAGS #if DEPENDENT_SLICES else if( pcPPS->getTilesOrEntropyCodingSyncIdc()==3 ) { WRITE_FLAG( pcPPS->getCabacIndependentFlag()? 1 : 0, "cabac_independent_flag" ); } #endif #endif #if MOVE_LOOP_FILTER_SLICES_FLAG WRITE_FLAG( pcPPS->getLoopFilterAcrossSlicesEnabledFlag()?1 : 0, "loop_filter_across_slices_enabled_flag"); #endif 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(), "pic_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_UVLC( pcPPS->getLog2ParallelMergeLevelMinus2(), "log2_parallel_merge_level_minus2"); #if SLICE_HEADER_EXTENSION WRITE_FLAG( pcPPS->getSliceHeaderExtensionPresentFlag(), "slice_header_extension_present_flag"); #endif WRITE_FLAG( 0, "pps_extension_flag" ); } #if SUPPORT_FOR_VUI 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"); assert(pcVUI->getFieldSeqFlag() == 0); // not currently supported WRITE_FLAG(pcVUI->getHrdParametersPresentFlag(), "hrd_parameters_present_flag"); #if !BUFFERING_PERIOD_AND_TIMING_SEI assert(pcVUI->getHrdParametersPresentFlag() == 0); // not currently supported #else if( pcVUI->getHrdParametersPresentFlag() ) { WRITE_FLAG(pcVUI->getTimingInfoPresentFlag(), "timing_info_present_flag"); if( pcVUI->getTimingInfoPresentFlag() ) { WRITE_CODE(pcVUI->getNumUnitsInTick(), 32, "num_units_in_tick"); WRITE_CODE(pcVUI->getTimeScale(), 32, "time_scale"); } WRITE_FLAG(pcVUI->getNalHrdParametersPresentFlag(), "nal_hrd_parameters_present_flag"); WRITE_FLAG(pcVUI->getVclHrdParametersPresentFlag(), "vcl_hrd_parameters_present_flag"); if( pcVUI->getNalHrdParametersPresentFlag() || pcVUI->getVclHrdParametersPresentFlag() ) { WRITE_FLAG(pcVUI->getSubPicCpbParamsPresentFlag(), "sub_pic_cpb_params_present_flag"); if( pcVUI->getSubPicCpbParamsPresentFlag() ) { WRITE_CODE(pcVUI->getTickDivisorMinus2(), 8, "tick_divisor_minus2"); WRITE_CODE(pcVUI->getDuCpbRemovalDelayLengthMinus1(), 5, "du_cpb_removal_delay_length_minus1"); } WRITE_CODE(pcVUI->getBitRateScale(), 4, "bit_rate_scale"); WRITE_CODE(pcVUI->getCpbSizeScale(), 4, "cpb_size_scale"); WRITE_CODE(pcVUI->getInitialCpbRemovalDelayLengthMinus1(), 5, "initial_cpb_removal_delay_length_minus1"); WRITE_CODE(pcVUI->getCpbRemovalDelayLengthMinus1(), 5, "cpb_removal_delay_length_minus1"); WRITE_CODE(pcVUI->getDpbOutputDelayLengthMinus1(), 5, "dpb_output_delay_length_minus1"); } Int i, j, nalOrVcl; for( i = 0; i <= pcSPS->getMaxTLayers(); i ++ ) { WRITE_FLAG(pcVUI->getFixedPicRateFlag(i), "fixed_pic_rate_flag"); if( pcVUI->getFixedPicRateFlag( i ) ) { WRITE_UVLC(pcVUI->getPicDurationInTcMinus1(i), "pic_duration_in_tc_minus1"); } WRITE_FLAG(pcVUI->getLowDelayHrdFlag(i), "low_delay_hrd_flag"); WRITE_UVLC(pcVUI->getCpbCntMinus1(i), "cpb_cnt_minus1"); for( nalOrVcl = 0; nalOrVcl < 2; nalOrVcl ++ ) { if( ( ( nalOrVcl == 0 ) && ( pcVUI->getNalHrdParametersPresentFlag() ) ) || ( ( nalOrVcl == 1 ) && ( pcVUI->getVclHrdParametersPresentFlag() ) ) ) { for( j = 0; j < ( pcVUI->getCpbCntMinus1( i ) + 1 ); j ++ ) { WRITE_UVLC(pcVUI->getBitRateValueMinus1(i, j, nalOrVcl), "bit_size_value_minus1"); WRITE_UVLC(pcVUI->getCpbSizeValueMinus1(i, j, nalOrVcl), "cpb_size_value_minus1"); WRITE_FLAG(pcVUI->getCbrFlag(i, j, nalOrVcl), "cbr_flag"); } } } } } #endif 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_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"); } } #endif Void TEncCavlc::codeSPS( TComSPS* pcSPS ) { #if ENC_DEC_TRACE xTraceSPSHeader (pcSPS); #endif #if SPS_SYNTAX_CHANGES WRITE_CODE( pcSPS->getVPSId (), 4, "video_parameter_set_id" ); WRITE_CODE( pcSPS->getMaxTLayers() - 1, 3, "sps_max_sub_layers_minus1" ); WRITE_FLAG( 0, "sps_reserved_zero_bit"); codePTL(pcSPS->getPTL(), 1, pcSPS->getMaxTLayers() - 1); WRITE_UVLC( pcSPS->getSPSId (), "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"); } #else WRITE_CODE( pcSPS->getProfileSpace (), 3, "profile_space" ); WRITE_CODE( pcSPS->getProfileIdc (), 5, "profile_idc" ); WRITE_CODE( pcSPS->getRsvdIndFlags(), 16, "reserved_indicator_flags" ); WRITE_CODE( pcSPS->getLevelIdc (), 8, "level_idc" ); WRITE_CODE( pcSPS->getProfileCompat (), 32, "profile_compatibility" ); WRITE_UVLC( pcSPS->getSPSId (), "seq_parameter_set_id" ); WRITE_UVLC( pcSPS->getVPSId (), "video_parameter_set_id" ); WRITE_UVLC( pcSPS->getChromaFormatIdc (), "chroma_format_idc" ); WRITE_CODE( pcSPS->getMaxTLayers() - 1, 3, "max_temporal_layers_minus1" ); #endif WRITE_UVLC( pcSPS->getPicWidthInLumaSamples (), "pic_width_in_luma_samples" ); WRITE_UVLC( pcSPS->getPicHeightInLumaSamples(), "pic_height_in_luma_samples" ); WRITE_FLAG( pcSPS->getPicCroppingFlag(), "pic_cropping_flag" ); if (pcSPS->getPicCroppingFlag()) { WRITE_UVLC( pcSPS->getPicCropLeftOffset() / TComSPS::getCropUnitX(pcSPS->getChromaFormatIdc() ), "pic_crop_left_offset" ); WRITE_UVLC( pcSPS->getPicCropRightOffset() / TComSPS::getCropUnitX(pcSPS->getChromaFormatIdc() ), "pic_crop_right_offset" ); WRITE_UVLC( pcSPS->getPicCropTopOffset() / TComSPS::getCropUnitY(pcSPS->getChromaFormatIdc() ), "pic_crop_top_offset" ); WRITE_UVLC( pcSPS->getPicCropBottomOffset() / TComSPS::getCropUnitY(pcSPS->getChromaFormatIdc() ), "pic_crop_bottom_offset" ); } #if FULL_NBIT WRITE_UVLC( pcSPS->getBitDepth() - 8, "bit_depth_luma_minus8" ); #else WRITE_UVLC( pcSPS->getBitIncrement(), "bit_depth_luma_minus8" ); #endif #if FULL_NBIT WRITE_UVLC( pcSPS->getBitDepth() - 8, "bit_depth_chroma_minus8" ); #else WRITE_UVLC( pcSPS->getBitIncrement(), "bit_depth_chroma_minus8" ); #endif WRITE_FLAG( pcSPS->getUsePCM() ? 1 : 0, "pcm_enabled_flag"); if( pcSPS->getUsePCM() ) { WRITE_CODE( pcSPS->getPCMBitDepthLuma() - 1, 4, "pcm_bit_depth_luma_minus1" ); WRITE_CODE( pcSPS->getPCMBitDepthChroma() - 1, 4, "pcm_bit_depth_chroma_minus1" ); } WRITE_UVLC( pcSPS->getBitsForPOC()-4, "log2_max_pic_order_cnt_lsb_minus4" ); for(UInt i=0; i <= pcSPS->getMaxTLayers()-1; i++) { WRITE_UVLC( pcSPS->getMaxDecPicBuffering(i), "max_dec_pic_buffering[i]" ); WRITE_UVLC( pcSPS->getNumReorderPics(i), "num_reorder_pics[i]" ); WRITE_UVLC( pcSPS->getMaxLatencyIncrease(i), "max_latency_increase[i]" ); } assert( pcSPS->getMaxCUWidth() == pcSPS->getMaxCUHeight() ); UInt MinCUSize = pcSPS->getMaxCUWidth() >> ( pcSPS->getMaxCUDepth()-g_uiAddCUDepth ); UInt log2MinCUSize = 0; while(MinCUSize > 1) { MinCUSize >>= 1; log2MinCUSize++; } WRITE_FLAG( pcSPS->getRestrictedRefPicListsFlag(), "restricted_ref_pic_lists_flag" ); if( pcSPS->getRestrictedRefPicListsFlag() ) { WRITE_FLAG( pcSPS->getListsModificationPresentFlag(), "lists_modification_present_flag" ); } WRITE_UVLC( log2MinCUSize - 3, "log2_min_coding_block_size_minus3" ); WRITE_UVLC( pcSPS->getMaxCUDepth()-g_uiAddCUDepth, "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" ); if( pcSPS->getUsePCM() ) { WRITE_UVLC( pcSPS->getPCMLog2MinSize() - 3, "log2_min_pcm_coding_block_size_minus3" ); WRITE_UVLC( pcSPS->getPCMLog2MaxSize() - pcSPS->getPCMLog2MinSize(), "log2_diff_max_min_pcm_coding_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() ); } } #if !REMOVE_LMCHROMA WRITE_FLAG( pcSPS->getUseLMChroma () ? 1 : 0, "chroma_pred_from_luma_enabled_flag" ); #endif #if !PPS_TS_FLAG WRITE_FLAG( pcSPS->getUseTransformSkip () ? 1 : 0, "transform_skip_enabled_flag" ); #endif #if !MOVE_LOOP_FILTER_SLICES_FLAG WRITE_FLAG( pcSPS->getLFCrossSliceBoundaryFlag()?1 : 0, "seq_loop_filter_across_slices_enabled_flag"); #endif WRITE_FLAG( pcSPS->getUseAMP(), "asymmetric_motion_partitions_enabled_flag" ); #if !REMOVE_NSQT WRITE_FLAG( pcSPS->getUseNSQT(), "non_square_quadtree_enabled_flag" ); #endif WRITE_FLAG( pcSPS->getUseSAO() ? 1 : 0, "sample_adaptive_offset_enabled_flag"); #if !REMOVE_ALF WRITE_FLAG( pcSPS->getUseALF () ? 1 : 0, "adaptive_loop_filter_enabled_flag"); #endif if( pcSPS->getUsePCM() ) { WRITE_FLAG( pcSPS->getPCMFilterDisableFlag()?1 : 0, "pcm_loop_filter_disable_flag"); } assert( pcSPS->getMaxTLayers() > 0 ); WRITE_FLAG( pcSPS->getTemporalIdNestingFlag() ? 1 : 0, "temporal_id_nesting_flag" ); 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); #if J0234_INTER_RPS_SIMPL codeShortTermRefPicSet(pcSPS,rps,false); #else codeShortTermRefPicSet(pcSPS,rps); #endif } WRITE_FLAG( pcSPS->getLongTermRefsPresent() ? 1 : 0, "long_term_ref_pics_present_flag" ); #if LTRP_IN_SPS 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"); } } #endif WRITE_FLAG( pcSPS->getTMVPFlagsPresent() ? 1 : 0, "sps_temporal_mvp_enable_flag" ); #if SUPPORT_FOR_VUI WRITE_FLAG( pcSPS->getVuiParametersPresentFlag(), "vui_parameters_present_flag" ); if (pcSPS->getVuiParametersPresentFlag()) { codeVUI(pcSPS->getVuiParameters(), pcSPS); } #endif #if !SPS_AMVP_CLEANUP // AMVP mode for each depth for (Int i = 0; i < pcSPS->getMaxCUDepth(); i++) { xWriteFlag( pcSPS->getAMVPMode(i) ? 1 : 0); } #endif WRITE_FLAG( 0, "sps_extension_flag" ); } Void TEncCavlc::codeVPS( TComVPS* pcVPS ) { #if VPS_SYNTAX_CHANGES WRITE_CODE( pcVPS->getVPSId(), 4, "video_parameter_set_id" ); WRITE_FLAG( pcVPS->getTemporalNestingFlag(), "vps_temporal_id_nesting_flag" ); WRITE_CODE( 0, 2, "vps_reserved_zero_2bits" ); WRITE_CODE( 0, 6, "vps_reserved_zero_6bits" ); WRITE_CODE( pcVPS->getMaxTLayers() - 1, 3, "vps_max_sub_layers_minus1" ); codePTL( pcVPS->getPTL(), true, pcVPS->getMaxTLayers() - 1 ); WRITE_CODE( 0, 12, "vps_reserved_zero_12bits" ); #else WRITE_CODE( pcVPS->getMaxTLayers() - 1, 3, "vps_max_temporal_layers_minus1" ); WRITE_CODE( pcVPS->getMaxLayers() - 1, 5, "vps_max_layers_minus1" ); WRITE_UVLC( pcVPS->getVPSId(), "video_parameter_set_id" ); WRITE_FLAG( pcVPS->getTemporalNestingFlag(), "vps_temporal_id_nesting_flag" ); #endif for(UInt i=0; i <= pcVPS->getMaxTLayers()-1; i++) { WRITE_UVLC( pcVPS->getMaxDecPicBuffering(i), "vps_max_dec_pic_buffering[i]" ); WRITE_UVLC( pcVPS->getNumReorderPics(i), "vps_num_reorder_pics[i]" ); WRITE_UVLC( pcVPS->getMaxLatencyIncrease(i), "vps_max_latency_increase[i]" ); } #if VPS_SYNTAX_CHANGES WRITE_UVLC( 0, "vps_num_hrd_parameters" ); // hrd_parameters #endif WRITE_FLAG( 0, "vps_extension_flag" ); //future extensions here.. return; } Void TEncCavlc::codeSliceHeader ( TComSlice* pcSlice ) { #if ENC_DEC_TRACE xTraceSliceHeader (pcSlice); #endif //calculate number of bits required for slice address Int maxAddrOuter = pcSlice->getPic()->getNumCUsInFrame(); Int reqBitsOuter = 0; while(maxAddrOuter>(1<getPic()->getNumPartInCU()>>(2); #if REMOVE_FGS maxAddrInner = 1; #else maxAddrInner = (1<<(pcSlice->getPPS()->getSliceGranularity()<<1)); #endif Int reqBitsInner = 0; while(maxAddrInner>(1<isNextSlice()) { // Calculate slice address lCUAddress = (pcSlice->getSliceCurStartCUAddr()/pcSlice->getPic()->getNumPartInCU()); #if REMOVE_FGS innerAddress = 0; #else innerAddress = (pcSlice->getSliceCurStartCUAddr()%(pcSlice->getPic()->getNumPartInCU()))>>((pcSlice->getSPS()->getMaxCUDepth()-pcSlice->getPPS()->getSliceGranularity())<<1); #endif } else { // Calculate slice address lCUAddress = (pcSlice->getDependentSliceCurStartCUAddr()/pcSlice->getPic()->getNumPartInCU()); #if REMOVE_FGS innerAddress = 0; #else innerAddress = (pcSlice->getDependentSliceCurStartCUAddr()%(pcSlice->getPic()->getNumPartInCU()))>>((pcSlice->getSPS()->getMaxCUDepth()-pcSlice->getPPS()->getSliceGranularity())<<1); #endif } //write slice address Int address = (pcSlice->getPic()->getPicSym()->getCUOrderMap(lCUAddress) << reqBitsInner) + innerAddress; WRITE_FLAG( address==0, "first_slice_in_pic_flag" ); #if SPLICING_FRIENDLY_PARAMS if ( pcSlice->getRapPicFlag() ) { WRITE_FLAG( 0, "no_output_of_prior_pics_flag" ); } #endif WRITE_UVLC( pcSlice->getPPS()->getPPSId(), "pic_parameter_set_id" ); if(address>0) { WRITE_CODE( address, reqBitsOuter+reqBitsInner, "slice_address" ); } #if SLICEHEADER_SYNTAX_FIX pcSlice->setDependentSliceFlag(!pcSlice->isNextSlice()); if ( pcSlice->getPPS()->getDependentSliceEnabledFlag() && (address!=0) ) { WRITE_FLAG( pcSlice->getDependentSliceFlag() ? 1 : 0, "dependent_slice_flag" ); } if ( !pcSlice->getDependentSliceFlag() ) { #endif WRITE_UVLC( pcSlice->getSliceType(), "slice_type" ); #if !SLICEHEADER_SYNTAX_FIX Bool bDependentSlice = (!pcSlice->isNextSlice()); WRITE_FLAG( bDependentSlice ? 1 : 0, "dependent_slice_flag" ); #if DEPENDENT_SLICES if( pcSlice->getPPS()->getDependentSliceEnabledFlag() && bDependentSlice ) return; #endif if (!bDependentSlice) { #endif 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 !SPLICING_FRIENDLY_PARAMS if( pcSlice->getNalUnitType() == NAL_UNIT_CODED_SLICE_IDR #if SUPPORT_FOR_RAP_N_LP || pcSlice->getNalUnitType() == NAL_UNIT_CODED_SLICE_IDR_N_LP || pcSlice->getNalUnitType() == NAL_UNIT_CODED_SLICE_BLA_N_LP #endif || pcSlice->getNalUnitType() == NAL_UNIT_CODED_SLICE_BLANT || pcSlice->getNalUnitType() == NAL_UNIT_CODED_SLICE_BLA #if !NAL_UNIT_TYPES_J1003_D7 || pcSlice->getNalUnitType() == NAL_UNIT_CODED_SLICE_CRANT #endif || pcSlice->getNalUnitType() == NAL_UNIT_CODED_SLICE_CRA ) { WRITE_UVLC( 0, "rap_pic_id" ); WRITE_FLAG( 0, "no_output_of_prior_pics_flag" ); } #endif #if SUPPORT_FOR_RAP_N_LP if( !pcSlice->getIdrPicFlag() ) #else if( pcSlice->getNalUnitType() != NAL_UNIT_CODED_SLICE_IDR ) #endif { Int picOrderCntLSB = (pcSlice->getPOC()-pcSlice->getLastIDR()+(1<getSPS()->getBitsForPOC()))%(1<getSPS()->getBitsForPOC()); WRITE_CODE( picOrderCntLSB, pcSlice->getSPS()->getBitsForPOC(), "pic_order_cnt_lsb"); TComReferencePictureSet* rps = pcSlice->getRPS(); if(pcSlice->getRPSidx() < 0) { WRITE_FLAG( 0, "short_term_ref_pic_set_sps_flag"); #if J0234_INTER_RPS_SIMPL codeShortTermRefPicSet(pcSlice->getSPS(), rps, true); #else codeShortTermRefPicSet(pcSlice->getSPS(), rps); #endif } else { WRITE_FLAG( 1, "short_term_ref_pic_set_sps_flag"); WRITE_UVLC( pcSlice->getRPSidx(), "short_term_ref_pic_set_idx" ); } if(pcSlice->getSPS()->getLongTermRefsPresent()) { #if LTRP_IN_SPS 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 = 1; 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"); #else WRITE_UVLC( rps->getNumberOfLongtermPictures(), "num_long_term_pics"); #endif // 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 LTRP_IN_SPS if (counter < numLtrpInSPS) { 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"); } #else WRITE_CODE( rps->getPocLSBLT(i), pcSlice->getSPS()->getBitsForPOC(), "poc_lsb_lt"); #endif WRITE_FLAG( rps->getDeltaPocMSBPresentFlag(i), "delta_poc_msb_present_flag"); if(rps->getDeltaPocMSBPresentFlag(i)) { Bool deltaFlag = false; #if LTRP_IN_SPS // 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) ) #else // First LTRP || curr LSB != prev LSB if( (i == rps->getNumberOfPictures()-1) || (rps->getPocLSBLT(i) != prevLSB) ) #endif { 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 !LTRP_IN_SPS WRITE_FLAG( rps->getUsed(i), "used_by_curr_pic_lt_flag"); #endif } } } #if REMOVE_ALF if(pcSlice->getSPS()->getUseSAO()) #else if(pcSlice->getSPS()->getUseSAO() || pcSlice->getSPS()->getUseALF()) #endif { if (pcSlice->getSPS()->getUseSAO()) { WRITE_FLAG( pcSlice->getSaoEnabledFlag(), "slice_sao_luma_flag" ); #if !SAO_LUM_CHROMA_ONOFF_FLAGS if (pcSlice->getSaoEnabledFlag() ) #endif { #if REMOVE_APS SAOParam *saoParam = pcSlice->getPic()->getPicSym()->getSaoParam(); #else SAOParam *saoParam = pcSlice->getAPS()->getSaoParam(); #endif #if SAO_TYPE_SHARING WRITE_FLAG( saoParam->bSaoFlag[1], "slice_sao_chroma_flag" ); #else WRITE_FLAG( saoParam->bSaoFlag[1], "SAO on/off flag for Cb in slice header" ); WRITE_FLAG( saoParam->bSaoFlag[2], "SAO on/off flag for Cr in slice header" ); #endif } } #if !REMOVE_APS WRITE_UVLC( pcSlice->getAPS()->getAPSID(), "aps_id"); #endif } //check if numrefidxes match the defaults. If not, override if (!pcSlice->isIntra()) { if (pcSlice->getSPS()->getTMVPFlagsPresent()) { WRITE_FLAG( pcSlice->getEnableTMVPFlag(), "enable_temporal_mvp_flag" ); } 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->getSPS()->getListsModificationPresentFlag() ) { 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 !SLICEHEADER_SYNTAX_FIX } #endif 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 !SLICEHEADER_SYNTAX_FIX // if( !lightweight_slice_flag ) { if (!bDependentSlice) { #else 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); WRITE_UVLC(MRG_MAX_NUM_CANDS - pcSlice->getMaxNumMergeCand(), "five_minus_max_num_merge_cand"); #endif Int iCode = pcSlice->getSliceQp() - ( pcSlice->getPPS()->getPicInitQPMinus26() + 26 ); WRITE_SVLC( iCode, "slice_qp_delta" ); #if CHROMA_QP_EXTENSION if (pcSlice->getPPS()->getSliceChromaQpFlag()) { iCode = pcSlice->getSliceQpDeltaCb(); WRITE_SVLC( iCode, "slice_qp_delta_cb" ); iCode = pcSlice->getSliceQpDeltaCr(); WRITE_SVLC( iCode, "slice_qp_delta_cr" ); } #endif 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(), "beta_offset_div2"); WRITE_SVLC (pcSlice->getDeblockingFilterTcOffsetDiv2(), "tc_offset_div2"); } } } #if !SLICEHEADER_SYNTAX_FIX 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); WRITE_UVLC(MRG_MAX_NUM_CANDS - pcSlice->getMaxNumMergeCand(), "five_minus_max_num_merge_cand"); #endif #if !REMOVE_ALF if (!bDependentSlice) { if (pcSlice->getSPS()->getUseALF()) { char syntaxString[50]; for(Int compIdx=0; compIdx< 3; compIdx++) { sprintf(syntaxString, "alf_slice_filter_flag[%d]", compIdx); WRITE_FLAG( pcSlice->getAlfEnabledFlag(compIdx)?1:0, syntaxString ); } } } #endif #if !SLICEHEADER_SYNTAX_FIX if(!bDependentSlice) { #endif #if !REMOVE_ALF Bool isAlfEnabled = (!pcSlice->getSPS()->getUseALF())?(false):(pcSlice->getAlfEnabledFlag(0)||pcSlice->getAlfEnabledFlag(1)||pcSlice->getAlfEnabledFlag(2)); #endif #if !SAO_LUM_CHROMA_ONOFF_FLAGS Bool isSAOEnabled = (!pcSlice->getSPS()->getUseSAO())?(false):(pcSlice->getSaoEnabledFlag()); #else Bool isSAOEnabled = (!pcSlice->getSPS()->getUseSAO())?(false):(pcSlice->getSaoEnabledFlag()||pcSlice->getSaoEnabledFlagChroma()); #endif Bool isDBFEnabled = (!pcSlice->getDeblockingFilterDisable()); #if REMOVE_ALF #if MOVE_LOOP_FILTER_SLICES_FLAG if(pcSlice->getPPS()->getLoopFilterAcrossSlicesEnabledFlag() && ( isSAOEnabled || isDBFEnabled )) #else if(pcSlice->getSPS()->getLFCrossSliceBoundaryFlag() && ( isSAOEnabled || isDBFEnabled )) #endif #else if(pcSlice->getSPS()->getLFCrossSliceBoundaryFlag() && ( isAlfEnabled || isSAOEnabled || isDBFEnabled )) #endif { WRITE_FLAG(pcSlice->getLFCrossSliceBoundaryFlag()?1:0, "slice_loop_filter_across_slices_enabled_flag"); } } #if SLICE_HEADER_EXTENSION if(pcSlice->getPPS()->getSliceHeaderExtensionPresentFlag()) { WRITE_UVLC(0,"slice_header_extension_length"); } #endif } #if PROFILE_TIER_LEVEL_SYNTAX Void TEncCavlc::codePTL( TComPTL* pcPTL, Bool profilePresentFlag, Int maxNumSubLayersMinus1) { if(profilePresentFlag) { codeProfileTier(pcPTL->getGeneralPTL()); // general_... } WRITE_CODE( 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( 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]"); } WRITE_CODE(0 , 16, "XXX_reserved_zero_16bits[]"); } #endif /** - write wavefront substreams sizes for the slice header. . \param pcSlice Where we find the substream size information. */ Void TEncCavlc::codeTilesWPPEntryPoint( TComSlice* pSlice ) { #if TILES_WPP_ENTROPYSLICES_FLAGS if (!pSlice->getPPS()->getTilesEnabledFlag() && !pSlice->getPPS()->getEntropyCodingSyncEnabledFlag()) #else Int tilesOrEntropyCodingSyncIdc = pSlice->getPPS()->getTilesOrEntropyCodingSyncIdc(); if ( tilesOrEntropyCodingSyncIdc == 0 ) #endif { return; } UInt numEntryPointOffsets = 0, offsetLenMinus1 = 0, maxOffset = 0; Int numZeroSubstreamsAtStartOfSlice = 0; UInt *entryPointOffset = NULL; #if TILES_WPP_ENTROPYSLICES_FLAGS if ( pSlice->getPPS()->getTilesEnabledFlag() ) #else if (tilesOrEntropyCodingSyncIdc == 1) // tiles #endif { 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 ]; } } } #if TILES_WPP_ENTROPYSLICES_FLAGS else if ( pSlice->getPPS()->getEntropyCodingSyncEnabledFlag() ) #else else if (tilesOrEntropyCodingSyncIdc == 2) // wavefront #endif { UInt* pSubstreamSizes = pSlice->getSubstreamSizes(); Int maxNumParts = pSlice->getPic()->getNumPartInCU(); #if DEPENDENT_SLICES numZeroSubstreamsAtStartOfSlice = pSlice->getDependentSliceCurStartCUAddr()/maxNumParts/pSlice->getPic()->getFrameWidthInCU(); Int numZeroSubstreamsAtEndOfSlice = pSlice->getPic()->getFrameHeightInCU()-1 - ((pSlice->getDependentSliceCurEndCUAddr()-1)/maxNumParts/pSlice->getPic()->getFrameWidthInCU()); #else numZeroSubstreamsAtStartOfSlice = pSlice->getSliceCurStartCUAddr()/maxNumParts/pSlice->getPic()->getFrameWidthInCU(); Int numZeroSubstreamsAtEndOfSlice = pSlice->getPic()->getFrameHeightInCU()-1 - ((pSlice->getSliceCurEndCUAddr()-1)/maxNumParts/pSlice->getPic()->getFrameWidthInCU()); #endif 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::xGolombEncode(Int coeff, Int k) { xWriteEpExGolomb((UInt)abs(coeff), k); if(coeff != 0) { Int sign = (coeff > 0)? 1: 0; xWriteFlag(sign); } #if ENC_DEC_TRACE fprintf( g_hTrace, "%8lld ", g_nSymbolCounter++ ); fprintf( g_hTrace, "%-40s se(v) : %d\n", "alf_filt_coeff", coeff ); #endif } #if !REMOVE_ALF Void TEncCavlc::codeAlfParam(ALFParam* alfParam) { char syntaxString[50]; sprintf(syntaxString, "alf_aps_filter_flag[%d]", alfParam->componentID); WRITE_FLAG(alfParam->alf_flag, syntaxString); if(alfParam->alf_flag == 0) { return; } const Int numCoeff = (Int)ALF_MAX_NUM_COEF; switch(alfParam->componentID) { case ALF_Cb: case ALF_Cr: { for(Int pos=0; pos< numCoeff; pos++) { WRITE_SVLC(alfParam->coeffmulti[0][pos], "alf_filt_coeff"); } } break; case ALF_Y: { Int noFilters = min(alfParam->filters_per_group-1, 2); WRITE_UVLC(noFilters, "alf_no_filters_minus1"); if(noFilters == 1) { WRITE_UVLC(alfParam->startSecondFilter, "alf_start_second_filter"); } else if (noFilters == 2) { Int numMergeFlags = 16; for (Int i=1; ifilterPattern[i], "alf_filter_pattern"); } } for(Int f=0; f< alfParam->filters_per_group; f++) { for(Int pos=0; pos< numCoeff; pos++) { xGolombEncode(alfParam->coeffmulti[f][pos], kTableTabShapes[ALF_CROSS9x7_SQUARE3x3][pos]); } } } break; default: { printf("Not a legal component ID\n"); assert(0); exit(-1); } } } #endif 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 // ==================================================================================================================== /** Write PCM alignment bits. * \returns Void */ Void TEncCavlc::xWritePCMAlignZero () { m_pcBitIf->writeAlignZero(); } Void TEncCavlc::xWriteUnaryMaxSymbol( UInt uiSymbol, UInt uiMaxSymbol ) { if (uiMaxSymbol == 0) { return; } xWriteFlag( uiSymbol ? 1 : 0 ); if ( uiSymbol == 0 ) { return; } Bool bCodeLast = ( uiMaxSymbol > uiSymbol ); while( --uiSymbol ) { xWriteFlag( 1 ); } if( bCodeLast ) { xWriteFlag( 0 ); } return; } Void TEncCavlc::xWriteExGolombLevel( UInt uiSymbol ) { if( uiSymbol ) { xWriteFlag( 1 ); UInt uiCount = 0; Bool bNoExGo = (uiSymbol < 13); while( --uiSymbol && ++uiCount < 13 ) { xWriteFlag( 1 ); } if( bNoExGo ) { xWriteFlag( 0 ); } else { xWriteEpExGolomb( uiSymbol, 0 ); } } else { xWriteFlag( 0 ); } return; } Void TEncCavlc::xWriteEpExGolomb( UInt uiSymbol, UInt uiCount ) { while( uiSymbol >= (UInt)(1<>uiCount) & 1 ); } return; } /** 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; #if NUM_WP_LIMIT UInt uiTotalSignalledWeightFlags = 0; #endif 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 #if NUM_WP_LIMIT 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); #endif 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 } } } } } #if NUM_WP_LIMIT assert(uiTotalSignalledWeightFlags<=24); #endif } } /** 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]); #if REMOVE_ZIGZAG_SCAN UInt* scan = (sizeId == 0) ? g_auiSigLastScan [ SCAN_DIAG ] [ 1 ] : g_sigLastScanCG32x32; #else UInt* scan = g_auiFrameScanXY [ (sizeId == 0)? 1 : 2]; #endif 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"); } } #if LTRP_IN_SPS 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; } #endif 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; } //! \}