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/* 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) 2010-2018, 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 VLCWriter.cpp
* \brief Writer for high level syntax
*/
#include "VLCWriter.h"
#include "SEIwrite.h"
#include "CommonLib/CommonDef.h"
#include "CommonLib/Unit.h"
#include "CommonLib/Picture.h" // th remove this
#include "CommonLib/dtrace_next.h"
#include "EncAdaptiveLoopFilter.h"
#include "CommonLib/AdaptiveLoopFilter.h"
//! \ingroup EncoderLib
//! \{
#if ENABLE_TRACING
void VLCWriter::xWriteCodeTr (uint32_t value, uint32_t length, const char *pSymbolName)
{
xWriteCode (value,length);
if( g_HLSTraceEnable )
{
if( length < 10 )
{
DTRACE( g_trace_ctx, D_HEADER, "%-50s u(%d) : %d\n", pSymbolName, length, value );
}
else
{
DTRACE( g_trace_ctx, D_HEADER, "%-50s u(%d) : %d\n", pSymbolName, length, value );
}
}
}
void VLCWriter::xWriteUvlcTr (uint32_t value, const char *pSymbolName)
{
xWriteUvlc (value);
if( g_HLSTraceEnable )
{
DTRACE( g_trace_ctx, D_HEADER, "%-50s ue(v) : %d\n", pSymbolName, value );
}
}
void VLCWriter::xWriteSvlcTr (int value, const char *pSymbolName)
{
xWriteSvlc(value);
if( g_HLSTraceEnable )
{
DTRACE( g_trace_ctx, D_HEADER, "%-50s se(v) : %d\n", pSymbolName, value );
}
}
void VLCWriter::xWriteFlagTr(uint32_t value, const char *pSymbolName)
{
xWriteFlag(value);
if( g_HLSTraceEnable )
{
DTRACE( g_trace_ctx, D_HEADER, "%-50s u(1) : %d\n", pSymbolName, value );
}
}
bool g_HLSTraceEnable = true;
#endif
void VLCWriter::xWriteCode ( uint32_t uiCode, uint32_t uiLength )
{
CHECK( uiLength == 0, "Code of lenght '0' not supported" );
m_pcBitIf->write( uiCode, uiLength );
}
void VLCWriter::xWriteUvlc ( uint32_t uiCode )
{
uint32_t uiLength = 1;
uint32_t uiTemp = ++uiCode;
CHECK( !uiTemp, "Integer overflow" );
while( 1 != uiTemp )
{
uiTemp >>= 1;
uiLength += 2;
}
// Take care of cases where uiLength > 32
m_pcBitIf->write( 0, uiLength >> 1);
m_pcBitIf->write( uiCode, (uiLength+1) >> 1);
}
void VLCWriter::xWriteSvlc ( int iCode )
{
uint32_t uiCode = uint32_t( iCode <= 0 ? (-iCode)<<1 : (iCode<<1)-1);
xWriteUvlc( uiCode );
}
void VLCWriter::xWriteFlag( uint32_t uiCode )
{
m_pcBitIf->write( uiCode, 1 );
}
void VLCWriter::xWriteRbspTrailingBits()
{
WRITE_FLAG( 1, "rbsp_stop_one_bit");
int cnt = 0;
while (m_pcBitIf->getNumBitsUntilByteAligned())
{
WRITE_FLAG( 0, "rbsp_alignment_zero_bit");
cnt++;
}
CHECK(cnt>=8, "More than '8' alignment bytes read");
}
void AUDWriter::codeAUD(OutputBitstream& bs, const int pictureType)
{
#if ENABLE_TRACING
xTraceAccessUnitDelimiter();
#endif
CHECK(pictureType >= 3, "Invalid picture type");
setBitstream(&bs);
WRITE_CODE(pictureType, 3, "pic_type");
xWriteRbspTrailingBits();
}
void HLSWriter::xCodeShortTermRefPicSet( const ReferencePictureSet* rps, bool calledFromSliceHeader, int idx)
{
//int lastBits = getNumberOfWrittenBits();
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" );
}
}
//DTRACE( g_trace_ctx, D_RPSINFO, "irps=%d (%2d bits) ", rps->getInterRPSPrediction(), getNumberOfWrittenBits() - lastBits );
rps->printDeltaPOC();
}
void HLSWriter::codePPS( const PPS* pcPPS )
{
#if ENABLE_TRACING
xTracePPSHeader ();
#endif
WRITE_UVLC( pcPPS->getPPSId(), "pps_pic_parameter_set_id" );
WRITE_UVLC( pcPPS->getSPSId(), "pps_seq_parameter_set_id" );
#if HEVC_DEPENDENT_SLICES
WRITE_FLAG( pcPPS->getDependentSliceSegmentsEnabledFlag() ? 1 : 0, "dependent_slice_segments_enabled_flag" );
#endif
WRITE_FLAG( pcPPS->getOutputFlagPresentFlag() ? 1 : 0, "output_flag_present_flag" );
WRITE_CODE( pcPPS->getNumExtraSliceHeaderBits(), 3, "num_extra_slice_header_bits");
WRITE_FLAG( pcPPS->getCabacInitPresentFlag() ? 1 : 0, "cabac_init_present_flag" );
WRITE_UVLC( pcPPS->getNumRefIdxL0DefaultActive()-1, "num_ref_idx_l0_default_active_minus1");
WRITE_UVLC( pcPPS->getNumRefIdxL1DefaultActive()-1, "num_ref_idx_l1_default_active_minus1");
WRITE_SVLC( pcPPS->getPicInitQPMinus26(), "init_qp_minus26");
WRITE_FLAG( pcPPS->getConstrainedIntraPred() ? 1 : 0, "constrained_intra_pred_flag" );
WRITE_FLAG( pcPPS->getUseTransformSkip() ? 1 : 0, "transform_skip_enabled_flag" );
WRITE_FLAG( pcPPS->getUseDQP() ? 1 : 0, "cu_qp_delta_enabled_flag" );
if ( pcPPS->getUseDQP() )
{
WRITE_UVLC( pcPPS->getMaxCuDQPDepth(), "diff_cu_qp_delta_depth" );
}
WRITE_SVLC( pcPPS->getQpOffset(COMPONENT_Cb), "pps_cb_qp_offset" );
WRITE_SVLC( pcPPS->getQpOffset(COMPONENT_Cr), "pps_cr_qp_offset" );
WRITE_FLAG( pcPPS->getSliceChromaQpFlag() ? 1 : 0, "pps_slice_chroma_qp_offsets_present_flag" );
WRITE_FLAG( pcPPS->getUseWP() ? 1 : 0, "weighted_pred_flag" ); // Use of Weighting Prediction (P_SLICE)
WRITE_FLAG( pcPPS->getWPBiPred() ? 1 : 0, "weighted_bipred_flag" ); // Use of Weighting Bi-Prediction (B_SLICE)
WRITE_FLAG( pcPPS->getTransquantBypassEnabledFlag() ? 1 : 0, "transquant_bypass_enabled_flag" );
#if HEVC_TILES_WPP
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(uint32_t i=0; i<pcPPS->getNumTileColumnsMinus1(); i++)
{
WRITE_UVLC( pcPPS->getTileColumnWidth(i)-1, "column_width_minus1" );
}
for(uint32_t i=0; i<pcPPS->getNumTileRowsMinus1(); i++)
{
WRITE_UVLC( pcPPS->getTileRowHeight(i)-1, "row_height_minus1" );
}
}
CHECK ((pcPPS->getNumTileColumnsMinus1() + pcPPS->getNumTileRowsMinus1()) == 0, "Invalid tile parameters read");
WRITE_FLAG( pcPPS->getLoopFilterAcrossTilesEnabledFlag()?1 : 0, "loop_filter_across_tiles_enabled_flag");
}
#endif
WRITE_FLAG( pcPPS->getLoopFilterAcrossSlicesEnabledFlag()?1 : 0, "pps_loop_filter_across_slices_enabled_flag");
WRITE_FLAG( pcPPS->getDeblockingFilterControlPresentFlag()?1 : 0, "deblocking_filter_control_present_flag");
if(pcPPS->getDeblockingFilterControlPresentFlag())
{
WRITE_FLAG( pcPPS->getDeblockingFilterOverrideEnabledFlag() ? 1 : 0, "deblocking_filter_override_enabled_flag" );
WRITE_FLAG( pcPPS->getPPSDeblockingFilterDisabledFlag() ? 1 : 0, "pps_deblocking_filter_disabled_flag" );
if(!pcPPS->getPPSDeblockingFilterDisabledFlag())
{
WRITE_SVLC( pcPPS->getDeblockingFilterBetaOffsetDiv2(), "pps_beta_offset_div2" );
WRITE_SVLC( pcPPS->getDeblockingFilterTcOffsetDiv2(), "pps_tc_offset_div2" );
}
}
#if HEVC_USE_SCALING_LISTS
WRITE_FLAG( pcPPS->getScalingListPresentFlag() ? 1 : 0, "pps_scaling_list_data_present_flag" );
if( pcPPS->getScalingListPresentFlag() )
{
codeScalingList( pcPPS->getScalingList() );
}
#endif
WRITE_FLAG( pcPPS->getListsModificationPresentFlag(), "lists_modification_present_flag");
WRITE_UVLC( pcPPS->getLog2ParallelMergeLevelMinus2(), "log2_parallel_merge_level_minus2");
WRITE_FLAG( pcPPS->getSliceHeaderExtensionPresentFlag() ? 1 : 0, "slice_segment_header_extension_present_flag");
bool pps_extension_present_flag=false;
bool pps_extension_flags[NUM_PPS_EXTENSION_FLAGS]={false};
pps_extension_flags[PPS_EXT__REXT] = pcPPS->getPpsRangeExtension().settingsDifferFromDefaults(pcPPS->getUseTransformSkip());
// Other PPS extension flags checked here.
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)
{
#if ENABLE_TRACING /*|| RExt__DECODER_DEBUG_BIT_STATISTICS*/
static const char *syntaxStrings[]={ "pps_range_extension_flag",
"pps_multilayer_extension_flag",
"pps_extension_6bits[0]",
"pps_extension_6bits[1]",
"pps_extension_6bits[2]",
"pps_extension_6bits[3]",
"pps_extension_6bits[4]",
"pps_extension_6bits[5]" };
#endif
for(int i=0; i<NUM_PPS_EXTENSION_FLAGS; i++)
{
WRITE_FLAG( pps_extension_flags[i]?1:0, syntaxStrings[i] );
}
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:
{
const PPSRExt &ppsRangeExtension = pcPPS->getPpsRangeExtension();
if (pcPPS->getUseTransformSkip())
{
WRITE_UVLC( ppsRangeExtension.getLog2MaxTransformSkipBlockSize()-2, "log2_max_transform_skip_block_size_minus2");
}
WRITE_FLAG((ppsRangeExtension.getCrossComponentPredictionEnabledFlag() ? 1 : 0), "cross_component_prediction_enabled_flag" );
WRITE_FLAG(uint32_t(ppsRangeExtension.getChromaQpOffsetListEnabledFlag()), "chroma_qp_offset_list_enabled_flag" );
if (ppsRangeExtension.getChromaQpOffsetListEnabledFlag())
{
WRITE_UVLC(ppsRangeExtension.getDiffCuChromaQpOffsetDepth(), "diff_cu_chroma_qp_offset_depth");
WRITE_UVLC(ppsRangeExtension.getChromaQpOffsetListLen() - 1, "chroma_qp_offset_list_len_minus1");
/* skip zero index */
for (int cuChromaQpOffsetIdx = 0; cuChromaQpOffsetIdx < ppsRangeExtension.getChromaQpOffsetListLen(); cuChromaQpOffsetIdx++)
{
WRITE_SVLC(ppsRangeExtension.getChromaQpOffsetListEntry(cuChromaQpOffsetIdx+1).u.comp.CbOffset, "cb_qp_offset_list[i]");
WRITE_SVLC(ppsRangeExtension.getChromaQpOffsetListEntry(cuChromaQpOffsetIdx+1).u.comp.CrOffset, "cr_qp_offset_list[i]");
}
}
WRITE_UVLC( ppsRangeExtension.getLog2SaoOffsetScale(CHANNEL_TYPE_LUMA), "log2_sao_offset_scale_luma" );
WRITE_UVLC( ppsRangeExtension.getLog2SaoOffsetScale(CHANNEL_TYPE_CHROMA), "log2_sao_offset_scale_chroma" );
}
break;
default:
CHECK(pps_extension_flags[i]==false, "Unknown PPS extension signalled"); // 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
xWriteRbspTrailingBits();
}
void HLSWriter::codeVUI( const VUI *pcVUI, const SPS* pcSPS )
{
#if ENABLE_TRACING
DTRACE( g_trace_ctx, D_HEADER, "----------- vui_parameters -----------\n");
#endif
WRITE_FLAG(pcVUI->getAspectRatioInfoPresentFlag(), "aspect_ratio_info_present_flag");
if (pcVUI->getAspectRatioInfoPresentFlag())
{
WRITE_CODE(pcVUI->getAspectRatioIdc(), 8, "aspect_ratio_idc" );
if (pcVUI->getAspectRatioIdc() == 255)
{
WRITE_CODE(pcVUI->getSarWidth(), 16, "sar_width");
WRITE_CODE(pcVUI->getSarHeight(), 16, "sar_height");
}
}
WRITE_FLAG(pcVUI->getOverscanInfoPresentFlag(), "overscan_info_present_flag");
if (pcVUI->getOverscanInfoPresentFlag())
{
WRITE_FLAG(pcVUI->getOverscanAppropriateFlag(), "overscan_appropriate_flag");
}
WRITE_FLAG(pcVUI->getVideoSignalTypePresentFlag(), "video_signal_type_present_flag");
if (pcVUI->getVideoSignalTypePresentFlag())
{
WRITE_CODE(pcVUI->getVideoFormat(), 3, "video_format");
WRITE_FLAG(pcVUI->getVideoFullRangeFlag(), "video_full_range_flag");
WRITE_FLAG(pcVUI->getColourDescriptionPresentFlag(), "colour_description_present_flag");
if (pcVUI->getColourDescriptionPresentFlag())
{
WRITE_CODE(pcVUI->getColourPrimaries(), 8, "colour_primaries");
WRITE_CODE(pcVUI->getTransferCharacteristics(), 8, "transfer_characteristics");
WRITE_CODE(pcVUI->getMatrixCoefficients(), 8, "matrix_coeffs");
}
}
WRITE_FLAG(pcVUI->getChromaLocInfoPresentFlag(), "chroma_loc_info_present_flag");
if (pcVUI->getChromaLocInfoPresentFlag())
{
WRITE_UVLC(pcVUI->getChromaSampleLocTypeTopField(), "chroma_sample_loc_type_top_field");
WRITE_UVLC(pcVUI->getChromaSampleLocTypeBottomField(), "chroma_sample_loc_type_bottom_field");
}
WRITE_FLAG(pcVUI->getNeutralChromaIndicationFlag(), "neutral_chroma_indication_flag");
WRITE_FLAG(pcVUI->getFieldSeqFlag(), "field_seq_flag");
WRITE_FLAG(pcVUI->getFrameFieldInfoPresentFlag(), "frame_field_info_present_flag");
Window defaultDisplayWindow = pcVUI->getDefaultDisplayWindow();
WRITE_FLAG(defaultDisplayWindow.getWindowEnabledFlag(), "default_display_window_flag");
if( defaultDisplayWindow.getWindowEnabledFlag() )
{
WRITE_UVLC(defaultDisplayWindow.getWindowLeftOffset() / SPS::getWinUnitX(pcSPS->getChromaFormatIdc()), "def_disp_win_left_offset");
WRITE_UVLC(defaultDisplayWindow.getWindowRightOffset() / SPS::getWinUnitX(pcSPS->getChromaFormatIdc()), "def_disp_win_right_offset");
WRITE_UVLC(defaultDisplayWindow.getWindowTopOffset() / SPS::getWinUnitY(pcSPS->getChromaFormatIdc()), "def_disp_win_top_offset");
WRITE_UVLC(defaultDisplayWindow.getWindowBottomOffset()/ SPS::getWinUnitY(pcSPS->getChromaFormatIdc()), "def_disp_win_bottom_offset");
}
const TimingInfo *timingInfo = pcVUI->getTimingInfo();
WRITE_FLAG(timingInfo->getTimingInfoPresentFlag(), "vui_timing_info_present_flag");
if(timingInfo->getTimingInfoPresentFlag())
{
WRITE_CODE(timingInfo->getNumUnitsInTick(), 32, "vui_num_units_in_tick");
WRITE_CODE(timingInfo->getTimeScale(), 32, "vui_time_scale");
WRITE_FLAG(timingInfo->getPocProportionalToTimingFlag(), "vui_poc_proportional_to_timing_flag");
if(timingInfo->getPocProportionalToTimingFlag())
{
WRITE_UVLC(timingInfo->getNumTicksPocDiffOneMinus1(), "vui_num_ticks_poc_diff_one_minus1");
}
WRITE_FLAG(pcVUI->getHrdParametersPresentFlag(), "vui_hrd_parameters_present_flag");
if( pcVUI->getHrdParametersPresentFlag() )
{
codeHrdParameters(pcVUI->getHrdParameters(), 1, pcSPS->getMaxTLayers() - 1 );
}
}
WRITE_FLAG(pcVUI->getBitstreamRestrictionFlag(), "bitstream_restriction_flag");
if (pcVUI->getBitstreamRestrictionFlag())
{
#if HEVC_TILES_WPP
WRITE_FLAG(pcVUI->getTilesFixedStructureFlag(), "tiles_fixed_structure_flag");
#endif
WRITE_FLAG(pcVUI->getMotionVectorsOverPicBoundariesFlag(), "motion_vectors_over_pic_boundaries_flag");
WRITE_FLAG(pcVUI->getRestrictedRefPicListsFlag(), "restricted_ref_pic_lists_flag");
WRITE_UVLC(pcVUI->getMinSpatialSegmentationIdc(), "min_spatial_segmentation_idc");
WRITE_UVLC(pcVUI->getMaxBytesPerPicDenom(), "max_bytes_per_pic_denom");
WRITE_UVLC(pcVUI->getMaxBitsPerMinCuDenom(), "max_bits_per_min_cu_denom");
WRITE_UVLC(pcVUI->getLog2MaxMvLengthHorizontal(), "log2_max_mv_length_horizontal");
WRITE_UVLC(pcVUI->getLog2MaxMvLengthVertical(), "log2_max_mv_length_vertical");
}
}
void HLSWriter::codeHrdParameters( const HRD *hrd, bool commonInfPresentFlag, uint32_t maxNumSubLayersMinus1 )
{
if( commonInfPresentFlag )
{
WRITE_FLAG( hrd->getNalHrdParametersPresentFlag() ? 1 : 0 , "nal_hrd_parameters_present_flag" );
WRITE_FLAG( hrd->getVclHrdParametersPresentFlag() ? 1 : 0 , "vcl_hrd_parameters_present_flag" );
if( hrd->getNalHrdParametersPresentFlag() || hrd->getVclHrdParametersPresentFlag() )
{
WRITE_FLAG( hrd->getSubPicCpbParamsPresentFlag() ? 1 : 0, "sub_pic_hrd_params_present_flag" );
if( hrd->getSubPicCpbParamsPresentFlag() )
{
WRITE_CODE( hrd->getTickDivisorMinus2(), 8, "tick_divisor_minus2" );
WRITE_CODE( hrd->getDuCpbRemovalDelayLengthMinus1(), 5, "du_cpb_removal_delay_increment_length_minus1" );
WRITE_FLAG( hrd->getSubPicCpbParamsInPicTimingSEIFlag() ? 1 : 0, "sub_pic_cpb_params_in_pic_timing_sei_flag" );
WRITE_CODE( hrd->getDpbOutputDelayDuLengthMinus1(), 5, "dpb_output_delay_du_length_minus1" );
}
WRITE_CODE( hrd->getBitRateScale(), 4, "bit_rate_scale" );
WRITE_CODE( hrd->getCpbSizeScale(), 4, "cpb_size_scale" );
if( hrd->getSubPicCpbParamsPresentFlag() )
{
WRITE_CODE( hrd->getDuCpbSizeScale(), 4, "du_cpb_size_scale" );
}
WRITE_CODE( hrd->getInitialCpbRemovalDelayLengthMinus1(), 5, "initial_cpb_removal_delay_length_minus1" );
WRITE_CODE( hrd->getCpbRemovalDelayLengthMinus1(), 5, "au_cpb_removal_delay_length_minus1" );
WRITE_CODE( hrd->getDpbOutputDelayLengthMinus1(), 5, "dpb_output_delay_length_minus1" );
}
}
int i, j, nalOrVcl;
for( i = 0; i <= maxNumSubLayersMinus1; i ++ )
{
WRITE_FLAG( hrd->getFixedPicRateFlag( i ) ? 1 : 0, "fixed_pic_rate_general_flag");
bool fixedPixRateWithinCvsFlag = true;
if( !hrd->getFixedPicRateFlag( i ) )
{
fixedPixRateWithinCvsFlag = hrd->getFixedPicRateWithinCvsFlag( i );
WRITE_FLAG( hrd->getFixedPicRateWithinCvsFlag( i ) ? 1 : 0, "fixed_pic_rate_within_cvs_flag");
}
if( fixedPixRateWithinCvsFlag )
{
WRITE_UVLC( hrd->getPicDurationInTcMinus1( i ), "elemental_duration_in_tc_minus1");
}
else
{
WRITE_FLAG( hrd->getLowDelayHrdFlag( i ) ? 1 : 0, "low_delay_hrd_flag");
}
if (!hrd->getLowDelayHrdFlag( i ))
{
WRITE_UVLC( hrd->getCpbCntMinus1( i ), "cpb_cnt_minus1");
}
for( nalOrVcl = 0; nalOrVcl < 2; nalOrVcl ++ )
{
if( ( ( nalOrVcl == 0 ) && ( hrd->getNalHrdParametersPresentFlag() ) ) ||
( ( nalOrVcl == 1 ) && ( hrd->getVclHrdParametersPresentFlag() ) ) )
{
for( j = 0; j <= ( hrd->getCpbCntMinus1( i ) ); j ++ )
{
WRITE_UVLC( hrd->getBitRateValueMinus1( i, j, nalOrVcl ), "bit_rate_value_minus1");
WRITE_UVLC( hrd->getCpbSizeValueMinus1( i, j, nalOrVcl ), "cpb_size_value_minus1");
if( hrd->getSubPicCpbParamsPresentFlag() )
{
WRITE_UVLC( hrd->getDuCpbSizeValueMinus1( i, j, nalOrVcl ), "cpb_size_du_value_minus1");
WRITE_UVLC( hrd->getDuBitRateValueMinus1( i, j, nalOrVcl ), "bit_rate_du_value_minus1");
}
WRITE_FLAG( hrd->getCbrFlag( i, j, nalOrVcl ) ? 1 : 0, "cbr_flag");
}
}
}
}
}
void HLSWriter::codeSPSNext( const SPSNext& spsNext, const bool usePCM )
{
// tool enabling flags
WRITE_FLAG( spsNext.getUseLargeCTU() ? 1 : 0, "large_ctu_flag" );
WRITE_FLAG(spsNext.getUseSubPuMvp() ? 1 : 0, "subpu_tmvp_flag");
WRITE_FLAG( spsNext.getUseIMV() ? 1 : 0, "imv_enable_flag" );
#if JVET_L0256_BIO
WRITE_FLAG( spsNext.getUseBIO() ? 1 : 0, "bio_enable_flag" );
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#endif
WRITE_FLAG( spsNext.getDisableMotCompress() ? 1 : 0, "disable_motion_compression_flag" );
WRITE_FLAG( spsNext.getUseLMChroma() ? 1 : 0, "lm_chroma_enabled_flag" );
WRITE_FLAG( spsNext.getUseIntraEMT() ? 1 : 0, "emt_intra_enabled_flag" );
WRITE_FLAG( spsNext.getUseInterEMT() ? 1 : 0, "emt_inter_enabled_flag" );
WRITE_FLAG( spsNext.getUseAffine() ? 1 : 0, "affine_flag" );
if ( spsNext.getUseAffine() )
{
WRITE_FLAG( spsNext.getUseAffineType() ? 1 : 0, "affine_type_flag" );
}
#if JVET_L0646_GBI
WRITE_FLAG( spsNext.getUseGBi() ? 1 : 0, "gbi_flag" );
#endif
#if JVET_L0293_CPR
WRITE_FLAG(spsNext.getCPRMode() ? 1 : 0, "cpr_flag" );
#endif
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for( int k = 0; k < SPSNext::NumReservedFlags; k++ )
{
WRITE_FLAG( 0, "reserved_flag" );
}
WRITE_FLAG( spsNext.getMTTEnabled() ? 1 : 0, "mtt_enabled_flag" );
#if JVET_L0100_MULTI_HYPOTHESIS_INTRA
WRITE_FLAG( spsNext.getUseMHIntra() ? 1 : 0, "mhintra_flag" );
#endif
#if JVET_L0124_L0208_TRIANGLE
WRITE_FLAG( spsNext.getUseTriangle() ? 1: 0, "triangle_flag" );
#endif
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#if ENABLE_WPP_PARALLELISM
WRITE_FLAG( spsNext.getUseNextDQP(), "next_dqp_enabled_flag" );
#else
WRITE_FLAG( 0, "reserved_flag" );
#endif
// additional parameters
#if !JVET_L0217_L0678_SPS_CLEANUP
WRITE_FLAG( spsNext.getUseDualITree(), "qtbt_dual_intra_tree" );
WRITE_UVLC( g_aucLog2[spsNext.getCTUSize()] - MIN_CU_LOG2, "log2_CTU_size_minus2" );
#if JVET_L0217_L0678_PARTITION_HIGHLEVEL_CONSTRAINT
WRITE_FLAG (spsNext.getSplitConsOverrideEnabledFlag(), "sps_override_partition_constraints_enable_flag");
WRITE_UVLC( g_aucLog2[spsNext.getMinQTSize(I_SLICE)] - spsNext.getSPS().getLog2MinCodingBlockSize(), "sps_log2_diff_min_qt_min_cb_intra_slice");
WRITE_UVLC( g_aucLog2[spsNext.getMinQTSize(B_SLICE)] - spsNext.getSPS().getLog2MinCodingBlockSize(), "sps_log2_diff_min_qt_min_cb_inter_slice");
WRITE_UVLC( spsNext.getMaxBTDepth(), "sps_max_mtt_hierarchy_depth_inter_slices");
WRITE_UVLC( spsNext.getMaxBTDepthI(), "sps_max_mtt_hierarchy_depth_intra_slices");
if (spsNext.getMaxBTDepthI() != 0)
{
WRITE_UVLC(g_aucLog2[spsNext.getMaxBTSizeI()] - g_aucLog2[spsNext.getMinQTSize(I_SLICE)], "sps_log2_diff_max_bt_min_qt_intra_slice");
WRITE_UVLC(g_aucLog2[spsNext.getMaxTTSizeI()] - g_aucLog2[spsNext.getMinQTSize(I_SLICE)], "sps_log2_diff_max_tt_min_qt_intra_slice");
}
if (spsNext.getMaxBTDepth() != 0)
{
WRITE_UVLC(g_aucLog2[spsNext.getMaxBTSize()] - g_aucLog2[spsNext.getMinQTSize(B_SLICE)], "sps_log2_diff_max_bt_min_qt_inter_slice");
WRITE_UVLC(g_aucLog2[spsNext.getMaxTTSize()] - g_aucLog2[spsNext.getMinQTSize(B_SLICE)], "sps_log2_diff_max_tt_min_qt_inter_slice");
}
WRITE_UVLC( g_aucLog2[spsNext.getMinQTSize( I_SLICE ) ] - MIN_CU_LOG2, "log2_minQT_ISlice_minus2" );
WRITE_UVLC( g_aucLog2[spsNext.getMinQTSize( B_SLICE ) ] - MIN_CU_LOG2, "log2_minQT_PBSlice_minus2" );
WRITE_UVLC( spsNext.getMaxBTDepth(), "max_bt_depth" );
WRITE_UVLC( spsNext.getMaxBTDepthI(), "max_bt_depth_i_slice" );
#if JVET_L0217_L0678_PARTITION_HIGHLEVEL_CONSTRAINT
WRITE_UVLC( g_aucLog2[spsNext.getMinQTSize( I_SLICE, CHANNEL_TYPE_CHROMA )] - spsNext.getSPS().getLog2MinCodingBlockSize(), "sps_log2_diff_min_qt_min_cb_intra_slice_chroma");
WRITE_UVLC( spsNext.getMaxBTDepthIChroma(), "sps_max_mtt_hierarchy_depth_intra_slices_chroma");
if (spsNext.getMaxBTDepthIChroma() != 0)
{
WRITE_UVLC(g_aucLog2[spsNext.getMaxBTSizeIChroma()] - g_aucLog2[spsNext.getMinQTSize(I_SLICE, CHANNEL_TYPE_CHROMA)], "sps_log2_diff_max_bt_min_qt_intra_slice_chroma");
WRITE_UVLC(g_aucLog2[spsNext.getMaxTTSizeIChroma()] - g_aucLog2[spsNext.getMinQTSize(I_SLICE, CHANNEL_TYPE_CHROMA)], "sps_log2_diff_max_tt_min_qt_intra_slice_chroma");
}
WRITE_UVLC( g_aucLog2[spsNext.getMinQTSize( I_SLICE, CHANNEL_TYPE_CHROMA )] - MIN_CU_LOG2, "log2_minQT_ISliceChroma_minus2" );
WRITE_UVLC( spsNext.getMaxBTDepthIChroma(), "max_bt_depth_i_slice_chroma" );
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}
#if !JVET_L0198_L0468_L0104_ATMVP_8x8SUB_BLOCK
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if( spsNext.getUseSubPuMvp() )
{
WRITE_CODE( spsNext.getSubPuMvpLog2Size() - MIN_CU_LOG2, 3, "log2_sub_pu_tmvp_size_minus2" );
}
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if( spsNext.getUseIMV() )
{
WRITE_UVLC( spsNext.getImvMode()-1, "imv_mode_minus1" );
}
if( spsNext.getMTTEnabled() )
{
WRITE_UVLC( spsNext.getMTTMode() - 1, "mtt_mode_minus1" );
}
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#if LUMA_ADAPTIVE_DEBLOCKING_FILTER_QP_OFFSET
WRITE_FLAG( spsNext.getLadfEnabled() ? 1 : 0, "sps_ladf_enabled_flag" );
if ( spsNext.getLadfEnabled() )
{
WRITE_CODE( spsNext.getLadfNumIntervals() - 2, 2, "sps_num_ladf_intervals_minus2" );
WRITE_SVLC( spsNext.getLadfQpOffset( 0 ), "sps_ladf_lowest_interval_qp_offset");
for ( int k = 1; k< spsNext.getLadfNumIntervals(); k++ )
{
WRITE_SVLC( spsNext.getLadfQpOffset( k ), "sps_ladf_qp_offset" );
WRITE_UVLC( spsNext.getLadfIntervalLowerBound( k ) - spsNext.getLadfIntervalLowerBound( k - 1 ) - 1, "sps_ladf_delta_threshold_minus1" );
}
}
#endif
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// ADD_NEW_TOOL : (sps extension writer) write tool enabling flags and associated parameters here
}
void HLSWriter::codeSPS( const SPS* pcSPS )
{
const ChromaFormat format = pcSPS->getChromaFormatIdc();
const bool chromaEnabled = isChromaEnabled(format);
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#if JVET_L0696_CONSTRAINT_SYNTAX
WRITE_FLAG(pcSPS->getIntraOnlyConstraintFlag() ? 1 : 0, "intra_only_constraint_flag");
WRITE_CODE(pcSPS->getMaxBitDepthConstraintIdc(), 4, "max_bitdepth_constraint_idc");
WRITE_CODE(pcSPS->getMaxChromaFormatConstraintIdc(), 2, "max_chroma_format_constraint_idc");
WRITE_FLAG(pcSPS->getFrameConstraintFlag() ? 1 : 0, "frame_constraint_flag");
WRITE_FLAG(pcSPS->getNoQtbttDualTreeIntraConstraintFlag() ? 1 : 0, "no_qtbtt_dual_tree_intra constraint_flag");
WRITE_FLAG(pcSPS->getNoCclmConstraintFlag() ? 1 : 0, "no_cclm_constraint_flag");
WRITE_FLAG(pcSPS->getNoSaoConstraintFlag() ? 1 : 0, "no_sao_constraint_flag");
WRITE_FLAG(pcSPS->getNoAlfConstraintFlag() ? 1 : 0, "no_alf_constraint_flag");
WRITE_FLAG(pcSPS->getNoPcmConstraintFlag() ? 1 : 0, "no_pcm_constraint_flag");
WRITE_FLAG(pcSPS->getNoTemporalMvpConstraintFlag() ? 1 : 0, "no_temporal_mvp_constraint_flag");
WRITE_FLAG(pcSPS->getNoSbtmvpConstraintFlag() ? 1 : 0, "no_sbtmvp_constraint_flag");
WRITE_FLAG(pcSPS->getNoAmvrConstraintFlag() ? 1 : 0, "no_amvr_constraint_flag");
WRITE_FLAG(pcSPS->getNoAffineMotionConstraintFlag() ? 1 : 0, "no_affine_motion_constraint_flag");
WRITE_FLAG(pcSPS->getNoMtsConstraintFlag() ? 1 : 0, "no_mts_constraint_flag");
WRITE_FLAG(pcSPS->getNoLadfConstraintFlag() ? 1 : 0, "no_ladf_constraint_flag");
WRITE_FLAG(pcSPS->getNoDepQuantConstraintFlag() ? 1 : 0, "no_dep_quant_constraint_flag");
WRITE_FLAG(pcSPS->getNoSignDataHidingConstraintFlag() ? 1 : 0, "no_sign_data_hiding_constraint_flag");
#endif
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#if ENABLE_TRACING
xTraceSPSHeader ();
#endif
#if HEVC_VPS
WRITE_CODE( pcSPS->getVPSId (), 4, "sps_video_parameter_set_id" );
#endif
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(), true, 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() / SPS::getWinUnitX(pcSPS->getChromaFormatIdc() ), "conf_win_left_offset" );
WRITE_UVLC( conf.getWindowRightOffset() / SPS::getWinUnitX(pcSPS->getChromaFormatIdc() ), "conf_win_right_offset" );
WRITE_UVLC( conf.getWindowTopOffset() / SPS::getWinUnitY(pcSPS->getChromaFormatIdc() ), "conf_win_top_offset" );
WRITE_UVLC( conf.getWindowBottomOffset() / SPS::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(uint32_t i=0; i <= pcSPS->getMaxTLayers()-1; i++)
{
WRITE_UVLC( pcSPS->getMaxDecPicBuffering(i) - 1, "sps_max_dec_pic_buffering_minus1[i]" );
WRITE_UVLC( pcSPS->getNumReorderPics(i), "sps_max_num_reorder_pics[i]" );
WRITE_UVLC( pcSPS->getMaxLatencyIncreasePlus1(i), "sps_max_latency_increase_plus1[i]" );
if (!subLayerOrderingInfoPresentFlag)
{
break;
}
}
CHECK( pcSPS->getMaxCUWidth() != pcSPS->getMaxCUHeight(), "Rectangular CTUs not supported" );
#if !JVET_L0217_L0678_SPS_CLEANUP
#if JVET_L0217_L0678_PARTITION_HIGHLEVEL_CONSTRAINT
WRITE_UVLC( pcSPS->getLog2MinCodingBlockSize() - 2, "log2_min_luma_coding_block_size_minus2");
#else
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WRITE_UVLC( pcSPS->getLog2MinCodingBlockSize() - 3, "log2_min_luma_coding_block_size_minus3" );
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WRITE_UVLC( pcSPS->getLog2DiffMaxMinCodingBlockSize(), "log2_diff_max_min_luma_coding_block_size" );
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#endif
#if JVET_L0217_L0678_SPS_CLEANUP
WRITE_FLAG(pcSPS->getUseDualITree(), "qtbt_dual_intra_tree");
WRITE_UVLC(g_aucLog2[pcSPS->getCTUSize()] - MIN_CU_LOG2, "log2_CTU_size_minus2");
#if JVET_L0217_L0678_PARTITION_HIGHLEVEL_CONSTRAINT
WRITE_UVLC(pcSPS->getLog2MinCodingBlockSize() - 2, "log2_min_luma_coding_block_size_minus2");
#else
WRITE_UVLC(pcSPS->getLog2MinCodingBlockSize() - 3, "log2_min_luma_coding_block_size_minus3");
#endif
#if JVET_L0217_L0678_PARTITION_HIGHLEVEL_CONSTRAINT
WRITE_FLAG(pcSPS->getSplitConsOverrideEnabledFlag(), "sps_override_partition_constraints_enable_flag");
WRITE_UVLC(g_aucLog2[pcSPS->getMinQTSize(I_SLICE)] - pcSPS->getLog2MinCodingBlockSize(), "sps_log2_diff_min_qt_min_cb_intra_slice");
WRITE_UVLC(g_aucLog2[pcSPS->getMinQTSize(B_SLICE)] - pcSPS->getLog2MinCodingBlockSize(), "sps_log2_diff_min_qt_min_cb_inter_slice");
WRITE_UVLC(pcSPS->getMaxBTDepth(), "sps_max_mtt_hierarchy_depth_inter_slices");
WRITE_UVLC(pcSPS->getMaxBTDepthI(), "sps_max_mtt_hierarchy_depth_intra_slices");
if (pcSPS->getMaxBTDepthI() != 0)
{
WRITE_UVLC(g_aucLog2[pcSPS->getMaxBTSizeI()] - g_aucLog2[pcSPS->getMinQTSize(I_SLICE)], "sps_log2_diff_max_bt_min_qt_intra_slice");
WRITE_UVLC(g_aucLog2[pcSPS->getMaxTTSizeI()] - g_aucLog2[pcSPS->getMinQTSize(I_SLICE)], "sps_log2_diff_max_tt_min_qt_intra_slice");
}
if (pcSPS->getMaxBTDepth() != 0)
{
WRITE_UVLC(g_aucLog2[pcSPS->getMaxBTSize()] - g_aucLog2[pcSPS->getMinQTSize(B_SLICE)], "sps_log2_diff_max_bt_min_qt_inter_slice");
WRITE_UVLC(g_aucLog2[pcSPS->getMaxTTSize()] - g_aucLog2[pcSPS->getMinQTSize(B_SLICE)], "sps_log2_diff_max_tt_min_qt_inter_slice");
}
#else
WRITE_UVLC(g_aucLog2[pcSPS->getMinQTSize(I_SLICE)] - MIN_CU_LOG2, "log2_minQT_ISlice_minus2");
WRITE_UVLC(g_aucLog2[pcSPS->getMinQTSize(B_SLICE)] - MIN_CU_LOG2, "log2_minQT_PBSlice_minus2");
WRITE_UVLC(pcSPS->getMaxBTDepth(), "max_bt_depth");
WRITE_UVLC(pcSPS->getMaxBTDepthI(), "max_bt_depth_i_slice");
#endif
if (pcSPS->getUseDualITree())
{
#if JVET_L0217_L0678_PARTITION_HIGHLEVEL_CONSTRAINT
WRITE_UVLC(g_aucLog2[pcSPS->getMinQTSize(I_SLICE, CHANNEL_TYPE_CHROMA)] - pcSPS->getLog2MinCodingBlockSize(), "sps_log2_diff_min_qt_min_cb_intra_slice_chroma");
WRITE_UVLC(pcSPS->getMaxBTDepthIChroma(), "sps_max_mtt_hierarchy_depth_intra_slices_chroma");
if (pcSPS->getMaxBTDepthIChroma() != 0)
{
WRITE_UVLC(g_aucLog2[pcSPS->getMaxBTSizeIChroma()] - g_aucLog2[pcSPS->getMinQTSize(I_SLICE, CHANNEL_TYPE_CHROMA)], "sps_log2_diff_max_bt_min_qt_intra_slice_chroma");
WRITE_UVLC(g_aucLog2[pcSPS->getMaxTTSizeIChroma()] - g_aucLog2[pcSPS->getMinQTSize(I_SLICE, CHANNEL_TYPE_CHROMA)], "sps_log2_diff_max_tt_min_qt_intra_slice_chroma");
}
#else
WRITE_UVLC(g_aucLog2[pcSPS->getMinQTSize(I_SLICE, CHANNEL_TYPE_CHROMA)] - MIN_CU_LOG2, "log2_minQT_ISliceChroma_minus2");
WRITE_UVLC(pcSPS->getMaxBTDepthIChroma(), "max_bt_depth_i_slice_chroma");
#endif
}
#endif
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WRITE_UVLC( pcSPS->getQuadtreeTULog2MinSize() - 2, "log2_min_luma_transform_block_size_minus2" );
WRITE_UVLC( pcSPS->getQuadtreeTULog2MaxSize() - pcSPS->getQuadtreeTULog2MinSize(), "log2_diff_max_min_luma_transform_block_size" );
#if !JVET_L0217_L0678_SPS_CLEANUP
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WRITE_UVLC( pcSPS->getQuadtreeTUMaxDepthInter() - 1, "max_transform_hierarchy_depth_inter" );
WRITE_UVLC( pcSPS->getQuadtreeTUMaxDepthIntra() - 1, "max_transform_hierarchy_depth_intra" );
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WRITE_FLAG( pcSPS->getUseALF(), "sps_alf_enable_flag" );
#if HEVC_USE_SCALING_LISTS
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( pcSPS->getScalingList() );
}
}
#endif
WRITE_FLAG( pcSPS->getUseAMP() ? 1 : 0, "amp_enabled_flag" );
WRITE_FLAG( pcSPS->getUseSAO() ? 1 : 0, "sample_adaptive_offset_enabled_flag");
WRITE_FLAG( pcSPS->getUsePCM() ? 1 : 0, "pcm_enabled_flag");
if( pcSPS->getUsePCM() )
{
WRITE_CODE( pcSPS->getPCMBitDepth(CHANNEL_TYPE_LUMA) - 1, 4, "pcm_sample_bit_depth_luma_minus1" );
WRITE_CODE( chromaEnabled ? (pcSPS->getPCMBitDepth(CHANNEL_TYPE_CHROMA) - 1) : 0, 4, "pcm_sample_bit_depth_chroma_minus1" );
WRITE_UVLC( pcSPS->getPCMLog2MinSize() - 3, "log2_min_pcm_luma_coding_block_size_minus3" );
WRITE_UVLC( pcSPS->getPCMLog2MaxSize() - pcSPS->getPCMLog2MinSize(), "log2_diff_max_min_pcm_luma_coding_block_size" );
WRITE_FLAG( pcSPS->getPCMFilterDisableFlag()?1 : 0, "pcm_loop_filter_disable_flag");
}
#if JVET_L0231_WRAPAROUND
WRITE_FLAG( pcSPS->getUseWrapAround() ? 1 : 0, "ref_wraparound_enabled_flag" );
if( pcSPS->getUseWrapAround() )
{
WRITE_UVLC( pcSPS->getWrapAroundOffset(), "ref_wraparound_offset" );
}
#endif
Karsten Suehring
committed
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CHECK( pcSPS->getMaxTLayers() == 0, "Maximum number of T-layers is '0'" );
const RPSList* rpsList = pcSPS->getRPSList();
WRITE_UVLC(rpsList->getNumberOfReferencePictureSets(), "num_short_term_ref_pic_sets" );
for(int i=0; i < rpsList->getNumberOfReferencePictureSets(); i++)
{
const ReferencePictureSet*rps = rpsList->getReferencePictureSet(i);
xCodeShortTermRefPicSet( rps,false, i);
}
WRITE_FLAG( pcSPS->getLongTermRefsPresent() ? 1 : 0, "long_term_ref_pics_present_flag" );
if (pcSPS->getLongTermRefsPresent())
{
WRITE_UVLC(pcSPS->getNumLongTermRefPicSPS(), "num_long_term_ref_pics_sps" );
for (uint32_t k = 0; k < pcSPS->getNumLongTermRefPicSPS(); k++)
{
WRITE_CODE( pcSPS->getLtRefPicPocLsbSps(k), pcSPS->getBitsForPOC(), "lt_ref_pic_poc_lsb_sps");
WRITE_FLAG( pcSPS->getUsedByCurrPicLtSPSFlag(k), "used_by_curr_pic_lt_sps_flag[i]");
}
}
WRITE_FLAG( pcSPS->getSPSTemporalMVPEnabledFlag() ? 1 : 0, "sps_temporal_mvp_enabled_flag" );
#if HEVC_USE_INTRA_SMOOTHING_T32 || HEVC_USE_INTRA_SMOOTHING_T64
WRITE_FLAG( pcSPS->getUseStrongIntraSmoothing(), "strong_intra_smoothing_enable_flag" );
#endif
WRITE_FLAG( pcSPS->getVuiParametersPresentFlag(), "vui_parameters_present_flag" );
if (pcSPS->getVuiParametersPresentFlag())
{
codeVUI(pcSPS->getVuiParameters(), pcSPS);
}
// KTA tools
bool sps_extension_present_flag=false;
bool sps_extension_flags[NUM_SPS_EXTENSION_FLAGS]={false};
sps_extension_flags[SPS_EXT__REXT] = pcSPS->getSpsRangeExtension().settingsDifferFromDefaults();
sps_extension_flags[SPS_EXT__NEXT] = pcSPS->getSpsNext().nextToolsEnabled();
// 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)
{
#if ENABLE_TRACING /*|| RExt__DECODER_DEBUG_BIT_STATISTICS*/
static const char *syntaxStrings[]={ "sps_range_extension_flag",
"sps_multilayer_extension_flag",
"sps_extension_6bits[0]",
"sps_extension_6bits[1]",
"sps_extension_6bits[2]",
"sps_extension_6bits[3]",
"sps_extension_6bits[4]",
"sps_extension_6bits[5]" };
#endif
for(int i=0; i<NUM_SPS_EXTENSION_FLAGS; i++)
{
WRITE_FLAG( sps_extension_flags[i]?1:0, syntaxStrings[i] );
}
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:
{
const SPSRExt &spsRangeExtension=pcSPS->getSpsRangeExtension();
WRITE_FLAG( (spsRangeExtension.getTransformSkipRotationEnabledFlag() ? 1 : 0), "transform_skip_rotation_enabled_flag");
WRITE_FLAG( (spsRangeExtension.getTransformSkipContextEnabledFlag() ? 1 : 0), "transform_skip_context_enabled_flag");
WRITE_FLAG( (spsRangeExtension.getRdpcmEnabledFlag(RDPCM_SIGNAL_IMPLICIT) ? 1 : 0), "implicit_rdpcm_enabled_flag" );
WRITE_FLAG( (spsRangeExtension.getRdpcmEnabledFlag(RDPCM_SIGNAL_EXPLICIT) ? 1 : 0), "explicit_rdpcm_enabled_flag" );
WRITE_FLAG( (spsRangeExtension.getExtendedPrecisionProcessingFlag() ? 1 : 0), "extended_precision_processing_flag" );
WRITE_FLAG( (spsRangeExtension.getIntraSmoothingDisabledFlag() ? 1 : 0), "intra_smoothing_disabled_flag" );
WRITE_FLAG( (spsRangeExtension.getHighPrecisionOffsetsEnabledFlag() ? 1 : 0), "high_precision_offsets_enabled_flag" );
WRITE_FLAG( (spsRangeExtension.getPersistentRiceAdaptationEnabledFlag() ? 1 : 0), "persistent_rice_adaptation_enabled_flag" );
WRITE_FLAG( (spsRangeExtension.getCabacBypassAlignmentEnabledFlag() ? 1 : 0), "cabac_bypass_alignment_enabled_flag" );
break;
}
case SPS_EXT__NEXT:
{
codeSPSNext( pcSPS->getSpsNext(), pcSPS->getUsePCM() );
break;
}
default:
CHECK(sps_extension_flags[i]!=false, "Unknown PPS extension signalled"); // Should never get here with an active SPS extension flag.
break;
}
}
}
}
xWriteRbspTrailingBits();
}
#if HEVC_VPS
void HLSWriter::codeVPS( const VPS* pcVPS )
{
#if ENABLE_TRACING
xTraceVPSHeader();
#endif
WRITE_CODE( pcVPS->getVPSId(), 4, "vps_video_parameter_set_id" );
WRITE_FLAG( 1, "vps_base_layer_internal_flag" );
WRITE_FLAG( 1, "vps_base_layer_available_flag" );
WRITE_CODE( 0, 6, "vps_max_layers_minus1" );
WRITE_CODE( pcVPS->getMaxTLayers() - 1, 3, "vps_max_sub_layers_minus1" );
WRITE_FLAG( pcVPS->getTemporalNestingFlag(), "vps_temporal_id_nesting_flag" );
CHECK(pcVPS->getMaxTLayers()<=1&&!pcVPS->getTemporalNestingFlag(), "Invalud parameters");
WRITE_CODE( 0xffff, 16, "vps_reserved_0xffff_16bits" );
codePTL( pcVPS->getPTL(), true, pcVPS->getMaxTLayers() - 1 );
const bool subLayerOrderingInfoPresentFlag = 1;
WRITE_FLAG(subLayerOrderingInfoPresentFlag, "vps_sub_layer_ordering_info_present_flag");
for(uint32_t i=0; i <= pcVPS->getMaxTLayers()-1; i++)
{
WRITE_UVLC( pcVPS->getMaxDecPicBuffering(i) - 1, "vps_max_dec_pic_buffering_minus1[i]" );
WRITE_UVLC( pcVPS->getNumReorderPics(i), "vps_max_num_reorder_pics[i]" );
WRITE_UVLC( pcVPS->getMaxLatencyIncrease(i), "vps_max_latency_increase_plus1[i]" );
if (!subLayerOrderingInfoPresentFlag)
{
break;
}
}
CHECK( pcVPS->getNumHrdParameters() > MAX_VPS_NUM_HRD_PARAMETERS, "Too many HRD parameters" );
CHECK( pcVPS->getMaxNuhReservedZeroLayerId() >= MAX_VPS_NUH_RESERVED_ZERO_LAYER_ID_PLUS1, "Invalid parameters read" );
WRITE_CODE( pcVPS->getMaxNuhReservedZeroLayerId(), 6, "vps_max_layer_id" );
WRITE_UVLC( pcVPS->getMaxOpSets() - 1, "vps_num_layer_sets_minus1" );
for( uint32_t opsIdx = 1; opsIdx <= ( pcVPS->getMaxOpSets() - 1 ); opsIdx ++ )
{
// Operation point set
for( uint32_t 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]" );
}
}
const TimingInfo *timingInfo = pcVPS->getTimingInfo();
WRITE_FLAG(timingInfo->getTimingInfoPresentFlag(), "vps_timing_info_present_flag");
if(timingInfo->getTimingInfoPresentFlag())
{
WRITE_CODE(timingInfo->getNumUnitsInTick(), 32, "vps_num_units_in_tick");
WRITE_CODE(timingInfo->getTimeScale(), 32, "vps_time_scale");
WRITE_FLAG(timingInfo->getPocProportionalToTimingFlag(), "vps_poc_proportional_to_timing_flag");
if(timingInfo->getPocProportionalToTimingFlag())
{
WRITE_UVLC(timingInfo->getNumTicksPocDiffOneMinus1(), "vps_num_ticks_poc_diff_one_minus1");
}
WRITE_UVLC( pcVPS->getNumHrdParameters(), "vps_num_hrd_parameters" );
if( pcVPS->getNumHrdParameters() > 0 )
{
for( uint32_t i = 0; i < pcVPS->getNumHrdParameters(); i ++ )
{
// Only applicable for version 1
WRITE_UVLC( pcVPS->getHrdOpSetIdx( i ), "hrd_layer_set_idx" );
if( i > 0 )
{
WRITE_FLAG( pcVPS->getCprmsPresentFlag( i ) ? 1 : 0, "cprms_present_flag[i]" );
}
codeHrdParameters(pcVPS->getHrdParameters(i), pcVPS->getCprmsPresentFlag( i ), pcVPS->getMaxTLayers() - 1);
}
}
}
WRITE_FLAG( 0, "vps_extension_flag" );
//future extensions here..
xWriteRbspTrailingBits();
}
#endif
void HLSWriter::codeSliceHeader ( Slice* pcSlice )
{
#if ENABLE_TRACING
xTraceSliceHeader ();
#endif
CodingStructure& cs = *pcSlice->getPic()->cs;
const ChromaFormat format = pcSlice->getSPS()->getChromaFormatIdc();
const uint32_t numberValidComponents = getNumberValidComponents(format);
const bool chromaEnabled = isChromaEnabled(format);
//calculate number of bits required for slice address
int maxSliceSegmentAddress = cs.pcv->sizeInCtus;