Mercurial > hg > forks > libbpg
diff jctvc/TLibEncoder/TEncCavlc.cpp @ 0:772086c29cc7
Initial import.
| author | Matti Hamalainen <ccr@tnsp.org> |
|---|---|
| date | Wed, 16 Nov 2016 11:16:33 +0200 |
| parents | |
| children |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/jctvc/TLibEncoder/TEncCavlc.cpp Wed Nov 16 11:16:33 2016 +0200 @@ -0,0 +1,1517 @@ +/* The copyright in this software is being made available under the BSD + * License, included below. This software may be subject to other third party + * and contributor rights, including patent rights, and no such rights are + * granted under this license. + * + * Copyright (c) 2010-2014, ITU/ISO/IEC + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * * Neither the name of the ITU/ISO/IEC nor the names of its contributors may + * be used to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF + * THE POSSIBILITY OF SUCH DAMAGE. + */ + +/** \file TEncCavlc.cpp + \brief CAVLC encoder class +*/ + +#include "../TLibCommon/CommonDef.h" +#include "TEncCavlc.h" +#include "SEIwrite.h" + +//! \ingroup TLibEncoder +//! \{ + +#define SRPS_IN_SLICE 1 + +#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; +} + +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 + + const UInt numberValidComponents = getNumberValidComponents(pcPPS->getSPS()->getChromaFormatIdc()); + + WRITE_UVLC( pcPPS->getPPSId(), "pps_pic_parameter_set_id" ); + WRITE_UVLC( pcPPS->getSPSId(), "pps_seq_parameter_set_id" ); + WRITE_FLAG( pcPPS->getDependentSliceSegmentsEnabledFlag() ? 1 : 0, "dependent_slice_segments_enabled_flag" ); + WRITE_FLAG( pcPPS->getOutputFlagPresentFlag() ? 1 : 0, "output_flag_present_flag" ); + WRITE_CODE( pcPPS->getNumExtraSliceHeaderBits(), 3, "num_extra_slice_header_bits"); + WRITE_FLAG( pcPPS->getSignHideFlag(), "sign_data_hiding_flag" ); + WRITE_FLAG( pcPPS->getCabacInitPresentFlag() ? 1 : 0, "cabac_init_present_flag" ); + WRITE_UVLC( pcPPS->getNumRefIdxL0DefaultActive()-1, "num_ref_idx_l0_default_active_minus1"); + WRITE_UVLC( pcPPS->getNumRefIdxL1DefaultActive()-1, "num_ref_idx_l1_default_active_minus1"); + + WRITE_SVLC( pcPPS->getPicInitQPMinus26(), "init_qp_minus26"); + WRITE_FLAG( pcPPS->getConstrainedIntraPred() ? 1 : 0, "constrained_intra_pred_flag" ); + WRITE_FLAG( pcPPS->getUseTransformSkip() ? 1 : 0, "transform_skip_enabled_flag" ); + WRITE_FLAG( pcPPS->getUseDQP() ? 1 : 0, "cu_qp_delta_enabled_flag" ); + if ( pcPPS->getUseDQP() ) + { + WRITE_UVLC( pcPPS->getMaxCuDQPDepth(), "diff_cu_qp_delta_depth" ); + } + + WRITE_SVLC( COMPONENT_Cb<numberValidComponents ? (pcPPS->getQpOffset(COMPONENT_Cb)) : 0, "pps_cb_qp_offset" ); + WRITE_SVLC( COMPONENT_Cr<numberValidComponents ? (pcPPS->getQpOffset(COMPONENT_Cr)) : 0, "pps_cr_qp_offset" ); + + assert(numberValidComponents <= 3); // if more than 3 components (eg 4:4:4:4), then additional offsets will have to go in extension area... + + WRITE_FLAG( pcPPS->getSliceChromaQpFlag() ? 1 : 0, "pps_slice_chroma_qp_offsets_present_flag" ); + + WRITE_FLAG( pcPPS->getUseWP() ? 1 : 0, "weighted_pred_flag" ); // Use of Weighting Prediction (P_SLICE) + WRITE_FLAG( pcPPS->getWPBiPred() ? 1 : 0, "weighted_bipred_flag" ); // Use of Weighting Bi-Prediction (B_SLICE) + WRITE_FLAG( pcPPS->getTransquantBypassEnableFlag() ? 1 : 0, "transquant_bypass_enable_flag" ); + WRITE_FLAG( pcPPS->getTilesEnabledFlag() ? 1 : 0, "tiles_enabled_flag" ); + WRITE_FLAG( pcPPS->getEntropyCodingSyncEnabledFlag() ? 1 : 0, "entropy_coding_sync_enabled_flag" ); + if( pcPPS->getTilesEnabledFlag() ) + { + WRITE_UVLC( pcPPS->getNumTileColumnsMinus1(), "num_tile_columns_minus1" ); + WRITE_UVLC( pcPPS->getNumTileRowsMinus1(), "num_tile_rows_minus1" ); + WRITE_FLAG( pcPPS->getTileUniformSpacingFlag(), "uniform_spacing_flag" ); + if( !pcPPS->getTileUniformSpacingFlag() ) + { + for(UInt i=0; i<pcPPS->getNumTileColumnsMinus1(); i++) + { + WRITE_UVLC( pcPPS->getTileColumnWidth(i)-1, "column_width_minus1" ); + } + for(UInt i=0; i<pcPPS->getNumTileRowsMinus1(); i++) + { + WRITE_UVLC( pcPPS->getTileRowHeight(i)-1, "row_height_minus1" ); + } + } + if(pcPPS->getNumTileColumnsMinus1() !=0 || pcPPS->getNumTileRowsMinus1() !=0) + { + WRITE_FLAG( pcPPS->getLoopFilterAcrossTilesEnabledFlag()?1 : 0, "loop_filter_across_tiles_enabled_flag"); + } + } + WRITE_FLAG( pcPPS->getLoopFilterAcrossSlicesEnabledFlag()?1 : 0, "loop_filter_across_slices_enabled_flag"); + WRITE_FLAG( pcPPS->getDeblockingFilterControlPresentFlag()?1 : 0, "deblocking_filter_control_present_flag"); + if(pcPPS->getDeblockingFilterControlPresentFlag()) + { + WRITE_FLAG( pcPPS->getDeblockingFilterOverrideEnabledFlag() ? 1 : 0, "deblocking_filter_override_enabled_flag" ); + WRITE_FLAG( pcPPS->getPicDisableDeblockingFilterFlag() ? 1 : 0, "pps_disable_deblocking_filter_flag" ); + if(!pcPPS->getPicDisableDeblockingFilterFlag()) + { + WRITE_SVLC( pcPPS->getDeblockingFilterBetaOffsetDiv2(), "pps_beta_offset_div2" ); + WRITE_SVLC( pcPPS->getDeblockingFilterTcOffsetDiv2(), "pps_tc_offset_div2" ); + } + } + WRITE_FLAG( pcPPS->getScalingListPresentFlag() ? 1 : 0, "pps_scaling_list_data_present_flag" ); + if( pcPPS->getScalingListPresentFlag() ) + { + codeScalingList( m_pcSlice->getScalingList() ); + } + WRITE_FLAG( pcPPS->getListsModificationPresentFlag(), "lists_modification_present_flag"); + WRITE_UVLC( pcPPS->getLog2ParallelMergeLevelMinus2(), "log2_parallel_merge_level_minus2"); + WRITE_FLAG( pcPPS->getSliceHeaderExtensionPresentFlag() ? 1 : 0, "slice_segment_header_extension_present_flag"); + + Bool pps_extension_present_flag=false; + Bool pps_extension_flags[NUM_PPS_EXTENSION_FLAGS]={false}; + + pps_extension_flags[PPS_EXT__REXT] = ( + ( pcPPS->getUseTransformSkip() && (pcPPS->getTransformSkipLog2MaxSize() != 2)) + || pcPPS->getUseCrossComponentPrediction() + || ( pcPPS->getChromaQpAdjTableSize() > 0 ) + || ( pcPPS->getSaoOffsetBitShift(CHANNEL_TYPE_LUMA) !=0 ) || ( pcPPS->getSaoOffsetBitShift(CHANNEL_TYPE_CHROMA) !=0 ) + ) + ; + + // Other PPS extension flags checked here. + + for(Int i=0; i<NUM_PPS_EXTENSION_FLAGS; i++) + { + pps_extension_present_flag|=pps_extension_flags[i]; + } + + WRITE_FLAG( (pps_extension_present_flag?1:0), "pps_extension_present_flag" ); + + if (pps_extension_present_flag) + { + for(Int i=0; i<NUM_PPS_EXTENSION_FLAGS; i++) + { + WRITE_FLAG( pps_extension_flags[i]?1:0, "pps_extension_flag[]" ); + } + + for(Int i=0; i<NUM_PPS_EXTENSION_FLAGS; i++) // loop used so that the order is determined by the enum. + { + if (pps_extension_flags[i]) + { + switch (PPSExtensionFlagIndex(i)) + { + case PPS_EXT__REXT: + + if (pcPPS->getUseTransformSkip()) + { + WRITE_UVLC( pcPPS->getTransformSkipLog2MaxSize()-2, "log2_transform_skip_max_size_minus2"); + } + + WRITE_FLAG((pcPPS->getUseCrossComponentPrediction() ? 1 : 0), "cross_component_prediction_flag" ); + + WRITE_FLAG(UInt(pcPPS->getChromaQpAdjTableSize() > 0), "chroma_qp_adjustment_enabled_flag" ); + if (pcPPS->getChromaQpAdjTableSize() > 0) + { + WRITE_UVLC(pcPPS->getMaxCuChromaQpAdjDepth(), "diff_cu_chroma_qp_adjustment_depth"); + WRITE_UVLC(pcPPS->getChromaQpAdjTableSize() - 1, "chroma_qp_adjustment_table_size_minus1"); + /* skip zero index */ + for (Int chromaQpAdjustmentIndex = 1; chromaQpAdjustmentIndex <= pcPPS->getChromaQpAdjTableSize(); chromaQpAdjustmentIndex++) + { + WRITE_SVLC(pcPPS->getChromaQpAdjTableAt(chromaQpAdjustmentIndex).u.comp.CbOffset, "cb_qp_adjustnemt[i]"); + WRITE_SVLC(pcPPS->getChromaQpAdjTableAt(chromaQpAdjustmentIndex).u.comp.CrOffset, "cr_qp_adjustnemt[i]"); + } + } + + WRITE_UVLC( pcPPS->getSaoOffsetBitShift(CHANNEL_TYPE_LUMA), "sao_luma_bit_shift" ); + WRITE_UVLC( pcPPS->getSaoOffsetBitShift(CHANNEL_TYPE_CHROMA), "sao_chroma_bit_shift" ); + break; + default: + assert(pps_extension_flags[i]==false); // Should never get here with an active PPS extension flag. + break; + } // switch + } // if flag present + } // loop over PPS flags + } // pps_extension_present_flag is non-zero +} + +Void TEncCavlc::codeVUI( 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() / TComSPS::getWinUnitX(pcSPS->getChromaFormatIdc()), "def_disp_win_left_offset"); + WRITE_UVLC(defaultDisplayWindow.getWindowRightOffset() / TComSPS::getWinUnitX(pcSPS->getChromaFormatIdc()), "def_disp_win_right_offset"); + WRITE_UVLC(defaultDisplayWindow.getWindowTopOffset() / TComSPS::getWinUnitY(pcSPS->getChromaFormatIdc()), "def_disp_win_top_offset"); + WRITE_UVLC(defaultDisplayWindow.getWindowBottomOffset()/ TComSPS::getWinUnitY(pcSPS->getChromaFormatIdc()), "def_disp_win_bottom_offset"); + } + TimingInfo *timingInfo = pcVUI->getTimingInfo(); + WRITE_FLAG(timingInfo->getTimingInfoPresentFlag(), "vui_timing_info_present_flag"); + if(timingInfo->getTimingInfoPresentFlag()) + { + WRITE_CODE(timingInfo->getNumUnitsInTick(), 32, "vui_num_units_in_tick"); + WRITE_CODE(timingInfo->getTimeScale(), 32, "vui_time_scale"); + WRITE_FLAG(timingInfo->getPocProportionalToTimingFlag(), "vui_poc_proportional_to_timing_flag"); + if(timingInfo->getPocProportionalToTimingFlag()) + { + WRITE_UVLC(timingInfo->getNumTicksPocDiffOneMinus1(), "vui_num_ticks_poc_diff_one_minus1"); + } + WRITE_FLAG(pcVUI->getHrdParametersPresentFlag(), "hrd_parameters_present_flag"); + if( pcVUI->getHrdParametersPresentFlag() ) + { + codeHrdParameters(pcVUI->getHrdParameters(), 1, pcSPS->getMaxTLayers() - 1 ); + } + } + + WRITE_FLAG(pcVUI->getBitstreamRestrictionFlag(), "bitstream_restriction_flag"); + if (pcVUI->getBitstreamRestrictionFlag()) + { + WRITE_FLAG(pcVUI->getTilesFixedStructureFlag(), "tiles_fixed_structure_flag"); + WRITE_FLAG(pcVUI->getMotionVectorsOverPicBoundariesFlag(), "motion_vectors_over_pic_boundaries_flag"); + WRITE_FLAG(pcVUI->getRestrictedRefPicListsFlag(), "restricted_ref_pic_lists_flag"); + WRITE_UVLC(pcVUI->getMinSpatialSegmentationIdc(), "min_spatial_segmentation_idc"); + WRITE_UVLC(pcVUI->getMaxBytesPerPicDenom(), "max_bytes_per_pic_denom"); + WRITE_UVLC(pcVUI->getMaxBitsPerMinCuDenom(), "max_bits_per_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 ) + { + 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" ); + WRITE_CODE( hrd->getDpbOutputDelayDuLengthMinus1(), 5, "dpb_output_delay_du_length_minus1" ); + } + WRITE_CODE( hrd->getBitRateScale(), 4, "bit_rate_scale" ); + WRITE_CODE( hrd->getCpbSizeScale(), 4, "cpb_size_scale" ); + if( hrd->getSubPicCpbParamsPresentFlag() ) + { + WRITE_CODE( hrd->getDuCpbSizeScale(), 4, "du_cpb_size_scale" ); + } + WRITE_CODE( hrd->getInitialCpbRemovalDelayLengthMinus1(), 5, "initial_cpb_removal_delay_length_minus1" ); + WRITE_CODE( hrd->getCpbRemovalDelayLengthMinus1(), 5, "au_cpb_removal_delay_length_minus1" ); + WRITE_CODE( hrd->getDpbOutputDelayLengthMinus1(), 5, "dpb_output_delay_length_minus1" ); + } + } + Int i, j, nalOrVcl; + for( i = 0; i <= maxNumSubLayersMinus1; i ++ ) + { + WRITE_FLAG( hrd->getFixedPicRateFlag( i ) ? 1 : 0, "fixed_pic_rate_general_flag"); + 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"); + } + else + { + WRITE_FLAG( hrd->getLowDelayHrdFlag( i ) ? 1 : 0, "low_delay_hrd_flag"); + } + if (!hrd->getLowDelayHrdFlag( i )) + { + WRITE_UVLC( hrd->getCpbCntMinus1( i ), "cpb_cnt_minus1"); + } + + for( nalOrVcl = 0; nalOrVcl < 2; nalOrVcl ++ ) + { + if( ( ( nalOrVcl == 0 ) && ( hrd->getNalHrdParametersPresentFlag() ) ) || + ( ( nalOrVcl == 1 ) && ( hrd->getVclHrdParametersPresentFlag() ) ) ) + { + for( j = 0; j <= ( hrd->getCpbCntMinus1( i ) ); j ++ ) + { + WRITE_UVLC( hrd->getBitRateValueMinus1( i, j, nalOrVcl ), "bit_rate_value_minus1"); + WRITE_UVLC( hrd->getCpbSizeValueMinus1( i, j, nalOrVcl ), "cpb_size_value_minus1"); + if( hrd->getSubPicCpbParamsPresentFlag() ) + { + WRITE_UVLC( hrd->getDuCpbSizeValueMinus1( i, j, nalOrVcl ), "cpb_size_du_value_minus1"); + WRITE_UVLC( hrd->getDuBitRateValueMinus1( i, j, nalOrVcl ), "bit_rate_du_value_minus1"); + } + WRITE_FLAG( hrd->getCbrFlag( i, j, nalOrVcl ) ? 1 : 0, "cbr_flag"); + } + } + } + } +} + +Void TEncCavlc::codeSPS( TComSPS* pcSPS ) +{ + + const ChromaFormat format = pcSPS->getChromaFormatIdc(); + const Bool chromaEnabled = isChromaEnabled(format); + +#if ENC_DEC_TRACE + xTraceSPSHeader (pcSPS); +#endif + WRITE_CODE( pcSPS->getVPSId (), 4, "sps_video_parameter_set_id" ); + 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( Int(pcSPS->getChromaFormatIdc ()), "chroma_format_idc" ); + if( format == CHROMA_444 ) + { + WRITE_FLAG( 0, "separate_colour_plane_flag"); + } + + WRITE_UVLC( pcSPS->getPicWidthInLumaSamples (), "pic_width_in_luma_samples" ); + WRITE_UVLC( pcSPS->getPicHeightInLumaSamples(), "pic_height_in_luma_samples" ); + Window conf = pcSPS->getConformanceWindow(); + + WRITE_FLAG( conf.getWindowEnabledFlag(), "conformance_window_flag" ); + if (conf.getWindowEnabledFlag()) + { + 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->getBitDepth(CHANNEL_TYPE_LUMA) - 8, "bit_depth_luma_minus8" ); + + WRITE_UVLC( chromaEnabled ? (pcSPS->getBitDepth(CHANNEL_TYPE_CHROMA) - 8):0, "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++) + { + WRITE_UVLC( pcSPS->getMaxDecPicBuffering(i) - 1, "sps_max_dec_pic_buffering_minus1[i]" ); + WRITE_UVLC( pcSPS->getNumReorderPics(i), "sps_num_reorder_pics[i]" ); + WRITE_UVLC( pcSPS->getMaxLatencyIncrease(i), "sps_max_latency_increase_plus1[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()) + { + 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->getPCMBitDepth(CHANNEL_TYPE_LUMA) - 1, 4, "pcm_sample_bit_depth_luma_minus1" ); + WRITE_CODE( chromaEnabled ? (pcSPS->getPCMBitDepth(CHANNEL_TYPE_CHROMA) - 1) : 0, 4, "pcm_sample_bit_depth_chroma_minus1" ); + WRITE_UVLC( pcSPS->getPCMLog2MinSize() - 3, "log2_min_pcm_luma_coding_block_size_minus3" ); + WRITE_UVLC( pcSPS->getPCMLog2MaxSize() - pcSPS->getPCMLog2MinSize(), "log2_diff_max_min_pcm_luma_coding_block_size" ); + WRITE_FLAG( pcSPS->getPCMFilterDisableFlag()?1 : 0, "pcm_loop_filter_disable_flag"); + } + + assert( pcSPS->getMaxTLayers() > 0 ); + + TComRPSList* rpsList = pcSPS->getRPSList(); + TComReferencePictureSet* rps; + +#if SRPS_IN_SLICE + WRITE_UVLC(0, "num_short_term_ref_pic_sets" ); +#else + 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); + } +#endif + 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); + } + + Bool sps_extension_present_flag=false; + Bool sps_extension_flags[NUM_SPS_EXTENSION_FLAGS]={false}; + + sps_extension_flags[SPS_EXT__REXT] = ( + pcSPS->getUseResidualRotation() + || pcSPS->getUseSingleSignificanceMapContext() + || pcSPS->getUseResidualDPCM(RDPCM_SIGNAL_IMPLICIT) + || pcSPS->getUseResidualDPCM(RDPCM_SIGNAL_EXPLICIT) + || pcSPS->getUseExtendedPrecision() + || pcSPS->getDisableIntraReferenceSmoothing() + || pcSPS->getUseHighPrecisionPredictionWeighting() + || pcSPS->getUseGolombRiceParameterAdaptation() + || pcSPS->getAlignCABACBeforeBypass() + ); + + // Other SPS extension flags checked here. + + for(Int i=0; i<NUM_SPS_EXTENSION_FLAGS; i++) + { + sps_extension_present_flag|=sps_extension_flags[i]; + } + + WRITE_FLAG( (sps_extension_present_flag?1:0), "sps_extension_present_flag" ); + + if (sps_extension_present_flag) + { + for(Int i=0; i<NUM_SPS_EXTENSION_FLAGS; i++) + { + WRITE_FLAG( sps_extension_flags[i]?1:0, "sps_extension_flag[]" ); + } + + for(Int i=0; i<NUM_SPS_EXTENSION_FLAGS; i++) // loop used so that the order is determined by the enum. + { + if (sps_extension_flags[i]) + { + switch (SPSExtensionFlagIndex(i)) + { + case SPS_EXT__REXT: + + WRITE_FLAG( (pcSPS->getUseResidualRotation() ? 1 : 0), "transform_skip_rotation_enabled_flag"); + WRITE_FLAG( (pcSPS->getUseSingleSignificanceMapContext() ? 1 : 0), "transform_skip_context_enabled_flag"); + WRITE_FLAG( (pcSPS->getUseResidualDPCM(RDPCM_SIGNAL_IMPLICIT) ? 1 : 0), "residual_dpcm_implicit_enabled_flag" ); + WRITE_FLAG( (pcSPS->getUseResidualDPCM(RDPCM_SIGNAL_EXPLICIT) ? 1 : 0), "residual_dpcm_explicit_enabled_flag" ); + WRITE_FLAG( (pcSPS->getUseExtendedPrecision() ? 1 : 0), "extended_precision_processing_flag" ); + WRITE_FLAG( (pcSPS->getDisableIntraReferenceSmoothing() ? 1 : 0), "intra_smoothing_disabled_flag" ); + WRITE_FLAG( (pcSPS->getUseHighPrecisionPredictionWeighting() ? 1 : 0), "high_precision_prediction_weighting_flag" ); + WRITE_FLAG( (pcSPS->getUseGolombRiceParameterAdaptation() ? 1 : 0), "golomb_rice_parameter_adaptation_flag" ); + WRITE_FLAG( (pcSPS->getAlignCABACBeforeBypass() ? 1 : 0), "cabac_bypass_alignment_enabled_flag" ); + break; + default: + assert(sps_extension_flags[i]==false); // Should never get here with an active SPS extension flag. + break; + } + } + } + } +} + +Void TEncCavlc::codeVPS( TComVPS* pcVPS ) +{ + WRITE_CODE( pcVPS->getVPSId(), 4, "vps_video_parameter_set_id" ); + WRITE_CODE( 3, 2, "vps_reserved_three_2bits" ); + WRITE_CODE( 0, 6, "vps_reserved_zero_6bits" ); + WRITE_CODE( pcVPS->getMaxTLayers() - 1, 3, "vps_max_sub_layers_minus1" ); + WRITE_FLAG( pcVPS->getTemporalNestingFlag(), "vps_temporal_id_nesting_flag" ); + assert (pcVPS->getMaxTLayers()>1||pcVPS->getTemporalNestingFlag()); + WRITE_CODE( 0xffff, 16, "vps_reserved_ffff_16bits" ); + codePTL( pcVPS->getPTL(), true, pcVPS->getMaxTLayers() - 1 ); + const Bool subLayerOrderingInfoPresentFlag = 1; + WRITE_FLAG(subLayerOrderingInfoPresentFlag, "vps_sub_layer_ordering_info_present_flag"); + for(UInt i=0; i <= pcVPS->getMaxTLayers()-1; i++) + { + WRITE_UVLC( pcVPS->getMaxDecPicBuffering(i) - 1, "vps_max_dec_pic_buffering_minus1[i]" ); + WRITE_UVLC( pcVPS->getNumReorderPics(i), "vps_num_reorder_pics[i]" ); + WRITE_UVLC( pcVPS->getMaxLatencyIncrease(i), "vps_max_latency_increase_plus1[i]" ); + if (!subLayerOrderingInfoPresentFlag) + { + break; + } + } + + assert( pcVPS->getNumHrdParameters() <= MAX_VPS_NUM_HRD_PARAMETERS ); + assert( pcVPS->getMaxNuhReservedZeroLayerId() < MAX_VPS_NUH_RESERVED_ZERO_LAYER_ID_PLUS1 ); + WRITE_CODE( pcVPS->getMaxNuhReservedZeroLayerId(), 6, "vps_max_nuh_reserved_zero_layer_id" ); + 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 + for( UInt i = 0; i <= pcVPS->getMaxNuhReservedZeroLayerId(); i ++ ) + { + // Only applicable for version 1 + pcVPS->setLayerIdIncludedFlag( true, opsIdx, i ); + WRITE_FLAG( pcVPS->getLayerIdIncludedFlag( opsIdx, i ) ? 1 : 0, "layer_id_included_flag[opsIdx][i]" ); + } + } + 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"); + } + 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); + } + } + WRITE_FLAG( 0, "vps_extension_flag" ); + + //future extensions here.. + + return; +} + +Void TEncCavlc::codeSliceHeader ( TComSlice* pcSlice ) +{ +#if ENC_DEC_TRACE + xTraceSliceHeader (pcSlice); +#endif + + const ChromaFormat format = pcSlice->getSPS()->getChromaFormatIdc(); + const UInt numberValidComponents = getNumberValidComponents(format); + const Bool chromaEnabled = isChromaEnabled(format); + + //calculate number of bits required for slice address + Int maxSliceSegmentAddress = pcSlice->getPic()->getNumberOfCtusInFrame(); + Int bitsSliceSegmentAddress = 0; + while(maxSliceSegmentAddress>(1<<bitsSliceSegmentAddress)) + { + bitsSliceSegmentAddress++; + } + const Int ctuTsAddress = pcSlice->getSliceSegmentCurStartCtuTsAddr(); + + //write slice address + const Int sliceSegmentRsAddress = pcSlice->getPic()->getPicSym()->getCtuTsToRsAddrMap(ctuTsAddress); + + WRITE_FLAG( sliceSegmentRsAddress==0, "first_slice_segment_in_pic_flag" ); + if ( pcSlice->getRapPicFlag() ) + { + WRITE_FLAG( pcSlice->getNoOutputPriorPicsFlag() ? 1 : 0, "no_output_of_prior_pics_flag" ); + } + WRITE_UVLC( pcSlice->getPPS()->getPPSId(), "slice_pic_parameter_set_id" ); + if ( pcSlice->getPPS()->getDependentSliceSegmentsEnabledFlag() && (sliceSegmentRsAddress!=0) ) + { + WRITE_FLAG( pcSlice->getDependentSliceSegmentFlag() ? 1 : 0, "dependent_slice_segment_flag" ); + } + if(sliceSegmentRsAddress>0) + { + WRITE_CODE( sliceSegmentRsAddress, bitsSliceSegmentAddress, "slice_segment_address" ); + } + if ( !pcSlice->getDependentSliceSegmentFlag() ) + { + for (Int i = 0; i < pcSlice->getPPS()->getNumExtraSliceHeaderBits(); i++) + { + 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" ); + } + + if( !pcSlice->getIdrPicFlag() ) + { + Int picOrderCntLSB = (pcSlice->getPOC()-pcSlice->getLastIDR()+(1<<pcSlice->getSPS()->getBitsForPOC())) & ((1<<pcSlice->getSPS()->getBitsForPOC())-1); + WRITE_CODE( picOrderCntLSB, pcSlice->getSPS()->getBitsForPOC(), "pic_order_cnt_lsb"); + TComReferencePictureSet* rps = pcSlice->getRPS(); + + // check for bitstream restriction stating that: + // If the current picture is a BLA or CRA picture, the value of NumPocTotalCurr shall be equal to 0. + // Ideally this process should not be repeated for each slice in a picture + if (pcSlice->isIRAP()) + { + for (Int picIdx = 0; picIdx < rps->getNumberOfPictures(); picIdx++) + { + assert (!rps->getUsed(picIdx)); + } + } + +#if SRPS_IN_SLICE + { + WRITE_FLAG( 0, "short_term_ref_pic_set_sps_flag"); + codeShortTermRefPicSet(pcSlice->getSPS(), rps, true, 0); + } +#else + if(pcSlice->getRPSidx() < 0) + { + 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" ); + } + } +#endif + 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(pcSlice->getSPS()->getUseSAO()) + { + WRITE_FLAG( pcSlice->getSaoEnabledFlag(CHANNEL_TYPE_LUMA), "slice_sao_luma_flag" ); + if (chromaEnabled) WRITE_FLAG( pcSlice->getSaoEnabledFlag(CHANNEL_TYPE_CHROMA), "slice_sao_chroma_flag" ); + } + + //check if numrefidxes match the defaults. If not, override + + if (!pcSlice->isIntra()) + { + Bool overrideFlag = (pcSlice->getNumRefIdx( REF_PIC_LIST_0 )!=pcSlice->getPPS()->getNumRefIdxL0DefaultActive()||(pcSlice->isInterB()&&pcSlice->getNumRefIdx( REF_PIC_LIST_1 )!=pcSlice->getPPS()->getNumRefIdxL1DefaultActive())); + WRITE_FLAG( overrideFlag ? 1 : 0, "num_ref_idx_active_override_flag"); + if (overrideFlag) + { + WRITE_UVLC( pcSlice->getNumRefIdx( REF_PIC_LIST_0 ) - 1, "num_ref_idx_l0_active_minus1" ); + if (pcSlice->isInterB()) + { + WRITE_UVLC( pcSlice->getNumRefIdx( REF_PIC_LIST_1 ) - 1, "num_ref_idx_l1_active_minus1" ); + } + else + { + pcSlice->setNumRefIdx(REF_PIC_LIST_1, 0); + } + } + } + else + { + pcSlice->setNumRefIdx(REF_PIC_LIST_0, 0); + pcSlice->setNumRefIdx(REF_PIC_LIST_1, 0); + } + + if( pcSlice->getPPS()->getListsModificationPresentFlag() && pcSlice->getNumRpsCurrTempList() > 1) + { + TComRefPicListModification* refPicListModification = pcSlice->getRefPicListModification(); + if(!pcSlice->isIntra()) + { + WRITE_FLAG(pcSlice->getRefPicListModification()->getRefPicListModificationFlagL0() ? 1 : 0, "ref_pic_list_modification_flag_l0" ); + if (pcSlice->getRefPicListModification()->getRefPicListModificationFlagL0()) + { + Int numRpsCurrTempList0 = pcSlice->getNumRpsCurrTempList(); + if (numRpsCurrTempList0 > 1) + { + Int length = 1; + numRpsCurrTempList0 --; + while ( numRpsCurrTempList0 >>= 1) + { + length ++; + } + for(Int i = 0; i < pcSlice->getNumRefIdx( REF_PIC_LIST_0 ); i++) + { + WRITE_CODE( refPicListModification->getRefPicSetIdxL0(i), length, "list_entry_l0"); + } + } + } + } + if(pcSlice->isInterB()) + { + WRITE_FLAG(pcSlice->getRefPicListModification()->getRefPicListModificationFlagL1() ? 1 : 0, "ref_pic_list_modification_flag_l1" ); + if (pcSlice->getRefPicListModification()->getRefPicListModificationFlagL1()) + { + Int numRpsCurrTempList1 = pcSlice->getNumRpsCurrTempList(); + if ( numRpsCurrTempList1 > 1 ) + { + Int length = 1; + numRpsCurrTempList1 --; + while ( numRpsCurrTempList1 >>= 1) + { + length ++; + } + for(Int i = 0; i < pcSlice->getNumRefIdx( REF_PIC_LIST_1 ); i++) + { + WRITE_CODE( refPicListModification->getRefPicSetIdxL1(i), length, "list_entry_l1"); + } + } + } + } + } + + if (pcSlice->isInterB()) + { + WRITE_FLAG( pcSlice->getMvdL1ZeroFlag() ? 1 : 0, "mvd_l1_zero_flag"); + } + + if(!pcSlice->isIntra()) + { + if (!pcSlice->isIntra() && pcSlice->getPPS()->getCabacInitPresentFlag()) + { + SliceType sliceType = pcSlice->getSliceType(); + 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 ( pcSlice->getSliceType() == B_SLICE ) + { + WRITE_FLAG( pcSlice->getColFromL0Flag(), "collocated_from_l0_flag" ); + } + + if ( pcSlice->getSliceType() != I_SLICE && + ((pcSlice->getColFromL0Flag()==1 && pcSlice->getNumRefIdx(REF_PIC_LIST_0)>1)|| + (pcSlice->getColFromL0Flag()==0 && pcSlice->getNumRefIdx(REF_PIC_LIST_1)>1))) + { + WRITE_UVLC( pcSlice->getColRefIdx(), "collocated_ref_idx" ); + } + } + if ( (pcSlice->getPPS()->getUseWP() && pcSlice->getSliceType()==P_SLICE) || (pcSlice->getPPS()->getWPBiPred() && pcSlice->getSliceType()==B_SLICE) ) + { + xCodePredWeightTable( pcSlice ); + } + assert(pcSlice->getMaxNumMergeCand()<=MRG_MAX_NUM_CANDS); + if (!pcSlice->isIntra()) + { + WRITE_UVLC(MRG_MAX_NUM_CANDS - pcSlice->getMaxNumMergeCand(), "five_minus_max_num_merge_cand"); + } + Int iCode = pcSlice->getSliceQp() - ( pcSlice->getPPS()->getPicInitQPMinus26() + 26 ); + WRITE_SVLC( iCode, "slice_qp_delta" ); + if (pcSlice->getPPS()->getSliceChromaQpFlag()) + { + if (numberValidComponents > COMPONENT_Cb) { WRITE_SVLC( pcSlice->getSliceChromaQpDelta(COMPONENT_Cb), "slice_qp_delta_cb" ); } + if (numberValidComponents > COMPONENT_Cr) { WRITE_SVLC( pcSlice->getSliceChromaQpDelta(COMPONENT_Cr), "slice_qp_delta_cr" ); } + assert(numberValidComponents <= COMPONENT_Cr+1); + } + + if (pcSlice->getPPS()->getChromaQpAdjTableSize() > 0) + { + WRITE_FLAG(pcSlice->getUseChromaQpAdj(), "slice_chroma_qp_adjustment_enabled_flag"); + } + + if (pcSlice->getPPS()->getDeblockingFilterControlPresentFlag()) + { + if (pcSlice->getPPS()->getDeblockingFilterOverrideEnabledFlag() ) + { + WRITE_FLAG(pcSlice->getDeblockingFilterOverrideFlag(), "deblocking_filter_override_flag"); + } + if (pcSlice->getDeblockingFilterOverrideFlag()) + { + WRITE_FLAG(pcSlice->getDeblockingFilterDisable(), "slice_disable_deblocking_filter_flag"); + if(!pcSlice->getDeblockingFilterDisable()) + { + WRITE_SVLC (pcSlice->getDeblockingFilterBetaOffsetDiv2(), "slice_beta_offset_div2"); + WRITE_SVLC (pcSlice->getDeblockingFilterTcOffsetDiv2(), "slice_tc_offset_div2"); + } + } + } + + Bool isSAOEnabled = pcSlice->getSPS()->getUseSAO() && (pcSlice->getSaoEnabledFlag(CHANNEL_TYPE_LUMA) || (chromaEnabled && pcSlice->getSaoEnabledFlag(CHANNEL_TYPE_CHROMA))); + Bool isDBFEnabled = (!pcSlice->getDeblockingFilterDisable()); + + if(pcSlice->getPPS()->getLoopFilterAcrossSlicesEnabledFlag() && ( isSAOEnabled || isDBFEnabled )) + { + WRITE_FLAG(pcSlice->getLFCrossSliceBoundaryFlag()?1:0, "slice_loop_filter_across_slices_enabled_flag"); + } + } + if(pcSlice->getPPS()->getSliceHeaderExtensionPresentFlag()) + { + WRITE_UVLC(0,"slice_header_extension_length"); + } +} + +Void TEncCavlc::codePTL( TComPTL* pcPTL, Bool profilePresentFlag, Int maxNumSubLayersMinus1) +{ + if(profilePresentFlag) + { + codeProfileTier(pcPTL->getGeneralPTL()); // general_... + } + WRITE_CODE( Int(pcPTL->getGeneralPTL()->getLevelIdc()), 8, "general_level_idc" ); + + for (Int i = 0; i < maxNumSubLayersMinus1; i++) + { + if(profilePresentFlag) + { + WRITE_FLAG( pcPTL->getSubLayerProfilePresentFlag(i), "sub_layer_profile_present_flag[i]" ); + } + + WRITE_FLAG( pcPTL->getSubLayerLevelPresentFlag(i), "sub_layer_level_present_flag[i]" ); + } + + if (maxNumSubLayersMinus1 > 0) + { + for (Int i = maxNumSubLayersMinus1; i < 8; i++) + { + WRITE_CODE(0, 2, "reserved_zero_2bits"); + } + } + + for(Int i = 0; i < maxNumSubLayersMinus1; i++) + { + if( profilePresentFlag && pcPTL->getSubLayerProfilePresentFlag(i) ) + { + codeProfileTier(pcPTL->getSubLayerPTL(i)); // sub_layer_... + } + if( pcPTL->getSubLayerLevelPresentFlag(i) ) + { + WRITE_CODE( Int(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()==Level::HIGH, "XXX_tier_flag[]" ); + WRITE_CODE( Int(ptl->getProfileIdc()), 5 , "XXX_profile_idc[]" ); + for(Int j = 0; j < 32; j++) + { + WRITE_FLAG( ptl->getProfileCompatibilityFlag(j), "XXX_profile_compatibility_flag[][j]"); + } + + 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"); + + if (ptl->getProfileIdc() == Profile::MAINREXT || ptl->getProfileIdc() == Profile::HIGHTHROUGHPUTREXT ) + { + const UInt bitDepthConstraint=ptl->getBitDepthConstraint(); + WRITE_FLAG(bitDepthConstraint<=12, "general_max_12bit_constraint_flag"); + WRITE_FLAG(bitDepthConstraint<=10, "general_max_10bit_constraint_flag"); + WRITE_FLAG(bitDepthConstraint<= 8, "general_max_8bit_constraint_flag"); + const ChromaFormat chromaFmtConstraint=ptl->getChromaFormatConstraint(); + WRITE_FLAG(chromaFmtConstraint==CHROMA_422||chromaFmtConstraint==CHROMA_420||chromaFmtConstraint==CHROMA_400, "general_max_422chroma_constraint_flag"); + WRITE_FLAG(chromaFmtConstraint==CHROMA_420||chromaFmtConstraint==CHROMA_400, "general_max_420chroma_constraint_flag"); + WRITE_FLAG(chromaFmtConstraint==CHROMA_400, "general_max_monochrome_constraint_flag"); + WRITE_FLAG(ptl->getIntraConstraintFlag(), "general_intra_constraint_flag"); + WRITE_FLAG(0, "general_one_picture_only_constraint_flag"); + WRITE_FLAG(ptl->getLowerBitRateConstraintFlag(), "general_lower_bit_rate_constraint_flag"); + WRITE_CODE(0 , 16, "XXX_reserved_zero_35bits[0..15]"); + WRITE_CODE(0 , 16, "XXX_reserved_zero_35bits[16..31]"); + WRITE_CODE(0 , 3, "XXX_reserved_zero_35bits[32..34]"); + } + else + { + WRITE_CODE(0x0000 , 16, "XXX_reserved_zero_44bits[0..15]"); + WRITE_CODE(0x0000 , 16, "XXX_reserved_zero_44bits[16..31]"); + WRITE_CODE(0x000 , 12, "XXX_reserved_zero_44bits[32..43]"); + } +} + +/** + - write tiles and 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 maxOffset = 0; + for(Int idx=0; idx<pSlice->getNumberOfSubstreamSizes(); idx++) + { + UInt offset=pSlice->getSubstreamSize(idx); + if ( offset > maxOffset ) + { + maxOffset = offset; + } + } + + // Determine number of bits "offsetLenMinus1+1" required for entry point information + UInt offsetLenMinus1 = 0; + while (maxOffset >= (1u << (offsetLenMinus1 + 1))) + { + offsetLenMinus1++; + assert(offsetLenMinus1 + 1 < 32); + } + + WRITE_UVLC(pSlice->getNumberOfSubstreamSizes(), "num_entry_point_offsets"); + if (pSlice->getNumberOfSubstreamSizes()>0) + { + WRITE_UVLC(offsetLenMinus1, "offset_len_minus1"); + + for (UInt idx=0; idx<pSlice->getNumberOfSubstreamSizes(); idx++) + { + WRITE_CODE(pSlice->getSubstreamSize(idx)-1, offsetLenMinus1+1, "entry_point_offset_minus1"); + } + } +} + +Void TEncCavlc::codeTerminatingBit ( UInt uilsLast ) +{ +} + +Void TEncCavlc::codeSliceFinish () +{ +} + +Void TEncCavlc::codeMVPIdx ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList ) +{ + assert(0); +} + +Void TEncCavlc::codePartSize( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) +{ + assert(0); +} + +Void TEncCavlc::codePredMode( TComDataCU* pcCU, UInt uiAbsPartIdx ) +{ + assert(0); +} + +Void TEncCavlc::codeMergeFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx ) +{ + assert(0); +} + +Void TEncCavlc::codeMergeIndex ( TComDataCU* pcCU, UInt uiAbsPartIdx ) +{ + assert(0); +} + +Void TEncCavlc::codeInterModeFlag( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiEncMode ) +{ + assert(0); +} + +Void TEncCavlc::codeCUTransquantBypassFlag( TComDataCU* pcCU, UInt uiAbsPartIdx ) +{ + assert(0); +} + +Void TEncCavlc::codeSkipFlag( TComDataCU* pcCU, UInt uiAbsPartIdx ) +{ + assert(0); +} + +Void TEncCavlc::codeSplitFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) +{ + assert(0); +} + +Void TEncCavlc::codeTransformSubdivFlag( UInt uiSymbol, UInt uiCtx ) +{ + assert(0); +} + +Void TEncCavlc::codeQtCbf( TComTU &rTu, const ComponentID compID, const Bool lowestLevel ) +{ + assert(0); +} + +Void TEncCavlc::codeQtRootCbf( TComDataCU* pcCU, UInt uiAbsPartIdx ) +{ + assert(0); +} + +Void TEncCavlc::codeQtCbfZero( TComTU &rTu, const ChannelType chType ) +{ + assert(0); +} +Void TEncCavlc::codeQtRootCbfZero( TComDataCU* pcCU ) +{ + assert(0); +} + +Void TEncCavlc::codeTransformSkipFlags (TComTU &rTu, ComponentID component ) +{ + assert(0); +} + +/** Code I_PCM information. + * \param pcCU pointer to CU + * \param uiAbsPartIdx CU index + * \returns Void + */ +Void TEncCavlc::codeIPCMInfo( TComDataCU* pcCU, UInt uiAbsPartIdx ) +{ + assert(0); +} + +Void TEncCavlc::codeIntraDirLumaAng( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool isMultiple) +{ + assert(0); +} + +Void TEncCavlc::codeIntraDirChroma( TComDataCU* pcCU, UInt uiAbsPartIdx ) +{ + assert(0); +} + +Void TEncCavlc::codeInterDir( TComDataCU* pcCU, UInt uiAbsPartIdx ) +{ + assert(0); +} + +Void TEncCavlc::codeRefFrmIdx( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList ) +{ + assert(0); +} + +Void TEncCavlc::codeMvd( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList ) +{ + assert(0); +} + +Void TEncCavlc::codeCrossComponentPrediction( TComTU& /*rTu*/, ComponentID /*compID*/ ) +{ + assert(0); +} + +Void TEncCavlc::codeDeltaQP( TComDataCU* pcCU, UInt uiAbsPartIdx ) +{ + Int iDQp = pcCU->getQP( uiAbsPartIdx ) - pcCU->getRefQP( uiAbsPartIdx ); + + Int qpBdOffsetY = pcCU->getSlice()->getSPS()->getQpBDOffset(CHANNEL_TYPE_LUMA); + iDQp = (iDQp + 78 + qpBdOffsetY + (qpBdOffsetY/2)) % (52 + qpBdOffsetY) - 26 - (qpBdOffsetY/2); + + xWriteSvlc( iDQp ); + + return; +} + +Void TEncCavlc::codeChromaQpAdjustment( TComDataCU* pcCU, UInt uiAbsPartIdx ) +{ + assert(0); +} + +Void TEncCavlc::codeCoeffNxN ( TComTU &rTu, TCoeff* pcCoef, const ComponentID compID ) +{ + assert(0); +} + +Void TEncCavlc::estBit( estBitsSbacStruct* pcEstBitsCabac, Int width, Int height, ChannelType chType ) +{ + // printf("error : no VLC mode support in this version\n"); + return; +} + +// ==================================================================================================================== +// Protected member functions +// ==================================================================================================================== + +/** code explicit wp tables + * \param TComSlice* pcSlice + * \returns Void + */ +Void TEncCavlc::xCodePredWeightTable( TComSlice* pcSlice ) +{ + WPScalingParam *wp; + const ChromaFormat format = pcSlice->getPic()->getChromaFormat(); + const UInt numberValidComponents = getNumberValidComponents(format); + const Bool bChroma = isChromaEnabled(format); + const Int iNbRef = (pcSlice->getSliceType() == B_SLICE ) ? (2) : (1); + Bool bDenomCoded = false; + UInt 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 ; iNumRef<iNbRef ; iNumRef++ ) + { + RefPicList eRefPicList = ( iNumRef ? REF_PIC_LIST_1 : REF_PIC_LIST_0 ); + + // NOTE: wp[].uiLog2WeightDenom and wp[].bPresentFlag are actually per-channel-type settings. + + for ( Int iRefIdx=0 ; iRefIdx<pcSlice->getNumRefIdx(eRefPicList) ; iRefIdx++ ) + { + pcSlice->getWpScaling(eRefPicList, iRefIdx, wp); + if ( !bDenomCoded ) + { + Int iDeltaDenom; + WRITE_UVLC( wp[COMPONENT_Y].uiLog2WeightDenom, "luma_log2_weight_denom" ); // ue(v): luma_log2_weight_denom + + if( bChroma ) + { + assert(wp[COMPONENT_Cb].uiLog2WeightDenom == wp[COMPONENT_Cr].uiLog2WeightDenom); // check the channel-type settings are consistent across components. + iDeltaDenom = (wp[COMPONENT_Cb].uiLog2WeightDenom - wp[COMPONENT_Y].uiLog2WeightDenom); + WRITE_SVLC( iDeltaDenom, "delta_chroma_log2_weight_denom" ); // se(v): delta_chroma_log2_weight_denom + } + bDenomCoded = true; + } + WRITE_FLAG( wp[COMPONENT_Y].bPresentFlag, "luma_weight_lX_flag" ); // u(1): luma_weight_lX_flag + uiTotalSignalledWeightFlags += wp[COMPONENT_Y].bPresentFlag; + } + if (bChroma) + { + for ( Int iRefIdx=0 ; iRefIdx<pcSlice->getNumRefIdx(eRefPicList) ; iRefIdx++ ) + { + pcSlice->getWpScaling(eRefPicList, iRefIdx, wp); + assert(wp[COMPONENT_Cb].bPresentFlag == wp[COMPONENT_Cr].bPresentFlag); // check the channel-type settings are consistent across components. + WRITE_FLAG( wp[COMPONENT_Cb].bPresentFlag, "chroma_weight_lX_flag" ); // u(1): chroma_weight_lX_flag + uiTotalSignalledWeightFlags += 2*wp[COMPONENT_Cb].bPresentFlag; + } + } + + for ( Int iRefIdx=0 ; iRefIdx<pcSlice->getNumRefIdx(eRefPicList) ; iRefIdx++ ) + { + pcSlice->getWpScaling(eRefPicList, iRefIdx, wp); + if ( wp[COMPONENT_Y].bPresentFlag ) + { + Int iDeltaWeight = (wp[COMPONENT_Y].iWeight - (1<<wp[COMPONENT_Y].uiLog2WeightDenom)); + WRITE_SVLC( iDeltaWeight, "delta_luma_weight_lX" ); // se(v): delta_luma_weight_lX + WRITE_SVLC( wp[COMPONENT_Y].iOffset, "luma_offset_lX" ); // se(v): luma_offset_lX + } + + if ( bChroma ) + { + if ( wp[COMPONENT_Cb].bPresentFlag ) + { + for ( Int j = COMPONENT_Cb ; j < numberValidComponents ; j++ ) + { + assert(wp[COMPONENT_Cb].uiLog2WeightDenom == wp[COMPONENT_Cr].uiLog2WeightDenom); + Int iDeltaWeight = (wp[j].iWeight - (1<<wp[COMPONENT_Cb].uiLog2WeightDenom)); + WRITE_SVLC( iDeltaWeight, "delta_chroma_weight_lX" ); // se(v): delta_chroma_weight_lX + + Int range=pcSlice->getSPS()->getUseHighPrecisionPredictionWeighting() ? (1<<g_bitDepth[CHANNEL_TYPE_CHROMA])/2 : 128; + Int pred = ( range - ( ( range*wp[j].iWeight)>>(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; + + //for each size + for(sizeId = 0; sizeId < SCALING_LIST_SIZE_NUM; sizeId++) + { + Int predListStep = (sizeId == SCALING_LIST_32x32? (SCALING_LIST_NUM/NUMBER_OF_PREDICTION_MODES) : 1); // if 32x32, skip over chroma entries. + + for(listId = 0; listId < SCALING_LIST_NUM; listId+=predListStep) + { + scalingListPredModeFlag = scalingList->checkPredMode( sizeId, listId ); + WRITE_FLAG( scalingListPredModeFlag, "scaling_list_pred_mode_flag" ); + if(!scalingListPredModeFlag)// Copy Mode + { + if (sizeId == SCALING_LIST_32x32) + { + // adjust the code, to cope with the missing chroma entries + WRITE_UVLC( ((Int)listId - (Int)scalingList->getRefMatrixId (sizeId,listId)) / (SCALING_LIST_NUM/NUMBER_OF_PREDICTION_MODES), "scaling_list_pred_matrix_id_delta"); + } + else + { + WRITE_UVLC( (Int)listId - (Int)scalingList->getRefMatrixId (sizeId,listId), "scaling_list_pred_matrix_id_delta"); + } + } + else// DPCM Mode + { + xCodeScalingList(scalingList, sizeId, listId); + } + } + } + return; +} +/** code DPCM + * \param scalingList quantization matrix information + * \param 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 = g_scanOrder[SCAN_UNGROUPED][SCAN_DIAG][sizeId==0 ? 2 : 3][sizeId==0 ? 2 : 3]; + 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<coefNum;i++) + { + data = src[scan[i]] - nextCoef; + nextCoef = src[scan[i]]; + if(data > 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<<pcSlice->getSPS()->getBitsForPOC())-1); + for (Int k = 0; k < pcSlice->getSPS()->getNumLongTermRefPicSPS(); k++) + { + if ( (lsb == pcSlice->getSPS()->getLtRefPicPocLsbSps(k)) && (usedFlag == pcSlice->getSPS()->getUsedByCurrPicLtSPSFlag(k)) ) + { + *ltrpsIndex = k; + return true; + } + } + return false; +} +Bool TComScalingList::checkPredMode(UInt sizeId, UInt listId) +{ + Int predListStep = (sizeId == SCALING_LIST_32x32? (SCALING_LIST_NUM/NUMBER_OF_PREDICTION_MODES) : 1); // if 32x32, skip over chroma entries. + + for(Int predListIdx = (Int)listId ; predListIdx >= 0; predListIdx-=predListStep) + { + 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; +} + +Void TEncCavlc::codeExplicitRdpcmMode( TComTU &rTu, const ComponentID compID ) + { + assert(0); + } + +//! \}