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Antti Hallapuro authoredAntti Hallapuro authored
SEIwrite.cpp 78.95 KiB
/* 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) 2010-2023, 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.
*/
#include "CommonLib/BitStream.h"
#include "CommonLib/SEI.h"
#include "CommonLib/Slice.h"
#include "CommonLib/Picture.h"
#include "CommonLib/dtrace_next.h"
#include "SEIwrite.h"
//! \ingroup EncoderLib
//! \{
void SEIWriter::xWriteSEIpayloadData(OutputBitstream &bs, const SEI &sei, HRD &hrd, const uint32_t temporalId,
int SEIPrefixIndicationIdx)
{
const SEIBufferingPeriod *bp = nullptr;
switch (sei.payloadType())
{
case SEI::PayloadType::USER_DATA_UNREGISTERED:
xWriteSEIuserDataUnregistered(*static_cast<const SEIuserDataUnregistered*>(&sei));
break;
case SEI::PayloadType::DECODING_UNIT_INFO:
bp = hrd.getBufferingPeriodSEI();
CHECK (bp == nullptr, "Buffering Period need to be initialized in HRD to allow writing of Decoding Unit Information SEI");
xWriteSEIDecodingUnitInfo(*static_cast<const SEIDecodingUnitInfo*>(& sei), *bp, temporalId);
break;
case SEI::PayloadType::SCALABLE_NESTING:
xWriteSEIScalableNesting(bs, *static_cast<const SEIScalableNesting*>(&sei));
break;
case SEI::PayloadType::DECODED_PICTURE_HASH:
xWriteSEIDecodedPictureHash(*static_cast<const SEIDecodedPictureHash*>(&sei));
break;
case SEI::PayloadType::BUFFERING_PERIOD:
xWriteSEIBufferingPeriod(*static_cast<const SEIBufferingPeriod*>(&sei));
hrd.setBufferingPeriodSEI(static_cast<const SEIBufferingPeriod*>(&sei));
break;
case SEI::PayloadType::PICTURE_TIMING:
bp = hrd.getBufferingPeriodSEI();
CHECK(bp == nullptr, "Buffering Period need to be initialized in HRD to allow writing of Picture Timing SEI"); xWriteSEIPictureTiming(*static_cast<const SEIPictureTiming *>(&sei), *bp, temporalId);
break;
case SEI::PayloadType::FRAME_FIELD_INFO:
xWriteSEIFrameFieldInfo(*static_cast<const SEIFrameFieldInfo *>(&sei));
break;
case SEI::PayloadType::DEPENDENT_RAP_INDICATION:
xWriteSEIDependentRAPIndication(*static_cast<const SEIDependentRAPIndication *>(&sei));
break;
case SEI::PayloadType::EXTENDED_DRAP_INDICATION:
xWriteSEIEdrapIndication(*static_cast<const SEIExtendedDrapIndication *>(&sei));
break;
case SEI::PayloadType::FRAME_PACKING:
xWriteSEIFramePacking(*static_cast<const SEIFramePacking *>(&sei), SEIPrefixIndicationIdx);
break;
#if GREEN_METADATA_SEI_ENABLED
case SEI::PayloadType::GREEN_METADATA:
xWriteSEIGreenMetadataInfo(*static_cast<const SEIGreenMetadataInfo *>(&sei));
break;
#endif
case SEI::PayloadType::DISPLAY_ORIENTATION:
xWriteSEIDisplayOrientation(*static_cast<const SEIDisplayOrientation *>(&sei));
break;
case SEI::PayloadType::PARAMETER_SETS_INCLUSION_INDICATION:
xWriteSEIParameterSetsInclusionIndication(*static_cast<const SEIParameterSetsInclusionIndication *>(&sei));
break;
case SEI::PayloadType::MASTERING_DISPLAY_COLOUR_VOLUME:
xWriteSEIMasteringDisplayColourVolume(*static_cast<const SEIMasteringDisplayColourVolume *>(&sei));
break;
case SEI::PayloadType::ALTERNATIVE_TRANSFER_CHARACTERISTICS:
xWriteSEIAlternativeTransferCharacteristics(*static_cast<const SEIAlternativeTransferCharacteristics *>(&sei));
break;
case SEI::PayloadType::EQUIRECTANGULAR_PROJECTION:
xWriteSEIEquirectangularProjection(*static_cast<const SEIEquirectangularProjection *>(&sei),
SEIPrefixIndicationIdx);
break;
case SEI::PayloadType::SPHERE_ROTATION:
xWriteSEISphereRotation(*static_cast<const SEISphereRotation *>(&sei), SEIPrefixIndicationIdx);
break;
case SEI::PayloadType::OMNI_VIEWPORT:
xWriteSEIOmniViewport(*static_cast<const SEIOmniViewport *>(&sei));
break;
case SEI::PayloadType::REGION_WISE_PACKING:
xWriteSEIRegionWisePacking(*static_cast<const SEIRegionWisePacking *>(&sei), SEIPrefixIndicationIdx);
break;
case SEI::PayloadType::GENERALIZED_CUBEMAP_PROJECTION:
xWriteSEIGeneralizedCubemapProjection(*static_cast<const SEIGeneralizedCubemapProjection *>(&sei),
SEIPrefixIndicationIdx);
break;
case SEI::PayloadType::SCALABILITY_DIMENSION_INFO:
xWriteSEIScalabilityDimensionInfo(*static_cast<const SEIScalabilityDimensionInfo *>(&sei));
break;
case SEI::PayloadType::MULTIVIEW_ACQUISITION_INFO:
xWriteSEIMultiviewAcquisitionInfo(*static_cast<const SEIMultiviewAcquisitionInfo *>(&sei));
break;
case SEI::PayloadType::MULTIVIEW_VIEW_POSITION:
xWriteSEIMultiviewViewPosition(*static_cast<const SEIMultiviewViewPosition *>(&sei));
break;
case SEI::PayloadType::ALPHA_CHANNEL_INFO:
xWriteSEIAlphaChannelInfo(*static_cast<const SEIAlphaChannelInfo *>(&sei));
break;
case SEI::PayloadType::DEPTH_REPRESENTATION_INFO:
xWriteSEIDepthRepresentationInfo(*static_cast<const SEIDepthRepresentationInfo *>(&sei));
break;
case SEI::PayloadType::USER_DATA_REGISTERED_ITU_T_T35:
xWriteSEIUserDataRegistered(*static_cast<const SEIUserDataRegistered *>(&sei));
break;
case SEI::PayloadType::FILM_GRAIN_CHARACTERISTICS:
xWriteSEIFilmGrainCharacteristics(*static_cast<const SEIFilmGrainCharacteristics *>(&sei));
break;
case SEI::PayloadType::CONTENT_LIGHT_LEVEL_INFO: xWriteSEIContentLightLevelInfo(*static_cast<const SEIContentLightLevelInfo *>(&sei));
break;
case SEI::PayloadType::AMBIENT_VIEWING_ENVIRONMENT:
xWriteSEIAmbientViewingEnvironment(*static_cast<const SEIAmbientViewingEnvironment *>(&sei));
break;
case SEI::PayloadType::CONTENT_COLOUR_VOLUME:
xWriteSEIContentColourVolume(*static_cast<const SEIContentColourVolume *>(&sei));
break;
case SEI::PayloadType::COLOUR_TRANSFORM_INFO:
xWriteSEIColourTransformInfo(*static_cast<const SEIColourTransformInfo *>(&sei));
break;
case SEI::PayloadType::SUBPICTURE_LEVEL_INFO:
xWriteSEISubpictureLevelInfo(*static_cast<const SEISubpicureLevelInfo *>(&sei));
break;
case SEI::PayloadType::SAMPLE_ASPECT_RATIO_INFO:
xWriteSEISampleAspectRatioInfo(*static_cast<const SEISampleAspectRatioInfo *>(&sei));
break;
case SEI::PayloadType::PHASE_INDICATION:
xWriteSEIPhaseIndication(*static_cast<const SEIPhaseIndication *>(&sei));
break;
case SEI::PayloadType::ANNOTATED_REGIONS:
xWriteSEIAnnotatedRegions(*static_cast<const SEIAnnotatedRegions *>(&sei));
break;
case SEI::PayloadType::SEI_MANIFEST:
CHECK((SEIPrefixIndicationIdx), "wrong SEI prefix indication message");
xWriteSEISEIManifest(*static_cast<const SEIManifest *>(&sei));
break;
case SEI::PayloadType::SEI_PREFIX_INDICATION:
CHECK((SEIPrefixIndicationIdx), "wrong SEI prefix indication message");
xWriteSEISEIPrefixIndication(bs, *static_cast<const SEIPrefixIndication *>(&sei), hrd, temporalId);
break;
case SEI::PayloadType::CONSTRAINED_RASL_ENCODING:
xWriteSEIConstrainedRaslIndication(*static_cast<const SEIConstrainedRaslIndication *>(&sei));
break;
case SEI::PayloadType::SHUTTER_INTERVAL_INFO:
xWriteSEIShutterInterval(*static_cast<const SEIShutterIntervalInfo *>(&sei));
break;
case SEI::PayloadType::NEURAL_NETWORK_POST_FILTER_CHARACTERISTICS:
xWriteSEINeuralNetworkPostFilterCharacteristics(
*static_cast<const SEINeuralNetworkPostFilterCharacteristics *>(&sei));
break;
case SEI::PayloadType::NEURAL_NETWORK_POST_FILTER_ACTIVATION:
xWriteSEINeuralNetworkPostFilterActivation(*static_cast<const SEINeuralNetworkPostFilterActivation *>(&sei));
break;
case SEI::PayloadType::SEI_PROCESSING_ORDER:
xWriteSEIProcessingOrder(*static_cast<const SEIProcessingOrderInfo *>(&sei));
break;
case SEI::PayloadType::POST_FILTER_HINT:
xWriteSEIPostFilterHint(*static_cast<const SEIPostFilterHint *>(&sei));
break;
default:
THROW("Trying to write unhandled SEI message");
break;
}
if (SEIPrefixIndicationIdx)
{
return;
}
xWriteByteAlign();
}
/**
* marshal all SEI messages in provided list into one bitstream bs
*/
void SEIWriter::writeSEImessages(OutputBitstream& bs, const SEIMessages &seiList, HRD &hrd, bool isNested, const uint32_t temporalId)
{
#if ENABLE_TRACING
if (g_HLSTraceEnable)
xTraceSEIHeader();
#endif
OutputBitstream bs_count;
for (SEIMessages::const_iterator sei=seiList.begin(); sei!=seiList.end(); sei++)
{
// calculate how large the payload data is
// TODO: this would be far nicer if it used vectored buffers
bs_count.clear();
setBitstream(&bs_count);
#if ENABLE_TRACING
bool traceEnable = g_HLSTraceEnable;
g_HLSTraceEnable = false;
#endif
xWriteSEIpayloadData(bs_count, **sei, hrd, temporalId);
#if ENABLE_TRACING
g_HLSTraceEnable = traceEnable;
#endif
uint32_t payload_data_num_bits = bs_count.getNumberOfWrittenBits();
CHECK(0 != payload_data_num_bits % 8, "Invalid number of payload data bits");
setBitstream(&bs);
uint32_t payloadType = to_underlying((*sei)->payloadType());
for (; payloadType >= 0xff; payloadType -= 0xff)
{
xWriteCode(0xff, 8, "payload_type");
}
xWriteCode(payloadType, 8, "payload_type");
uint32_t payloadSize = payload_data_num_bits/8;
for (; payloadSize >= 0xff; payloadSize -= 0xff)
{
xWriteCode(0xff, 8, "payload_size");
}
xWriteCode(payloadSize, 8, "payload_size");
/* payloadData */
#if ENABLE_TRACING
if (g_HLSTraceEnable)
{
xTraceSEIMessageType((*sei)->payloadType());
}
#endif
xWriteSEIpayloadData(bs, **sei, hrd, temporalId);
}
if (!isNested)
{
xWriteRbspTrailingBits();
}
}
/**
* marshal a user_data_unregistered SEI message sei, storing the marshalled
* representation in bitstream bs.
*/
void SEIWriter::xWriteSEIuserDataUnregistered(const SEIuserDataUnregistered &sei)
{
for (uint32_t i = 0; i < ISO_IEC_11578_LEN; i++)
{
xWriteCode(sei.uuid_iso_iec_11578[i], 8 , "uuid_iso_iec_11578[i]");
}
for (uint32_t i = 0; i < sei.userDataLength; i++)
{
xWriteCode(sei.userData[i], 8 , "user_data_payload_byte");
}
}
/** * marshal a decoded picture hash SEI message, storing the marshalled
* representation in bitstream bs.
*/
void SEIWriter::xWriteSEIDecodedPictureHash(const SEIDecodedPictureHash& sei)
{
const char *traceString="\0";
switch (sei.method)
{
case HashType::MD5:
traceString = "picture_md5";
break;
case HashType::CRC:
traceString = "picture_crc";
break;
case HashType::CHECKSUM:
traceString = "picture_checksum";
break;
default:
THROW("Unknown hash type");
break;
}
if (traceString != 0) //use of this variable is needed to avoid a compiler error with G++ 4.6.1
{
xWriteCode(to_underlying(sei.method), 8, "dph_sei_hash_type");
xWriteCode(sei.singleCompFlag, 1, "dph_sei_single_component_flag");
xWriteCode(0, 7, "dph_sei_reserved_zero_7bits");
for(uint32_t i=0; i<uint32_t(sei.m_pictureHash.hash.size()); i++)
{
xWriteCode(sei.m_pictureHash.hash[i], 8, traceString);
}
}
}
void SEIWriter::xWriteSEIDecodingUnitInfo(const SEIDecodingUnitInfo& sei, const SEIBufferingPeriod& bp, const uint32_t temporalId)
{
xWriteUvlc(sei.m_decodingUnitIdx, "decoding_unit_idx");
if( !bp.m_decodingUnitCpbParamsInPicTimingSeiFlag )
{
for (int i = temporalId; i <= bp.m_bpMaxSubLayers - 1; i++)
{
if (i < bp.m_bpMaxSubLayers - 1)
{
xWriteFlag(sei.m_duiSubLayerDelaysPresentFlag[i], "dui_sub_layer_delays_present_flag[i]");
}
if( sei.m_duiSubLayerDelaysPresentFlag[i] )
{
xWriteCode( sei.m_duSptCpbRemovalDelayIncrement[i], bp.getDuCpbRemovalDelayIncrementLength(), "du_spt_cpb_removal_delay_increment[i]");
}
}
}
if (!bp.m_decodingUnitDpbDuParamsInPicTimingSeiFlag)
{
xWriteFlag(sei.m_dpbOutputDuDelayPresentFlag, "dpb_output_du_delay_present_flag");
}
if(sei.m_dpbOutputDuDelayPresentFlag)
{
xWriteCode(sei.m_picSptDpbOutputDuDelay, bp.getDpbOutputDelayDuLength(), "pic_spt_dpb_output_du_delay");
}
}
void SEIWriter::xWriteSEIBufferingPeriod(const SEIBufferingPeriod& sei)
{
xWriteFlag( sei.m_bpNalCpbParamsPresentFlag, "bp_nal_hrd_parameters_present_flag");
xWriteFlag( sei.m_bpVclCpbParamsPresentFlag, "bp_vcl_hrd_parameters_present_flag");
CHECK(!sei.m_bpNalCpbParamsPresentFlag && !sei.m_bpVclCpbParamsPresentFlag, "bp_nal_hrd_parameters_present_flag and/or bp_vcl_hrd_parameters_present_flag must be true");
CHECK (sei.m_initialCpbRemovalDelayLength < 1, "sei.m_initialCpbRemovalDelayLength must be > 0");
xWriteCode( sei.m_initialCpbRemovalDelayLength - 1, 5, "initial_cpb_removal_delay_length_minus1" ); CHECK (sei.m_cpbRemovalDelayLength < 1, "sei.m_cpbRemovalDelayLength must be > 0");
xWriteCode( sei.m_cpbRemovalDelayLength - 1, 5, "cpb_removal_delay_length_minus1" );
CHECK (sei.m_dpbOutputDelayLength < 1, "sei.m_dpbOutputDelayLength must be > 0");
xWriteCode( sei.m_dpbOutputDelayLength - 1, 5, "dpb_output_delay_length_minus1" );
xWriteFlag( sei.m_bpDecodingUnitHrdParamsPresentFlag, "bp_decoding_unit_hrd_params_present_flag" );
if( sei.m_bpDecodingUnitHrdParamsPresentFlag )
{
CHECK (sei.m_duCpbRemovalDelayIncrementLength < 1, "sei.m_duCpbRemovalDelayIncrementLength must be > 0");
xWriteCode( sei.m_duCpbRemovalDelayIncrementLength - 1, 5, "du_cpb_removal_delay_increment_length_minus1" );
CHECK (sei.m_dpbOutputDelayDuLength < 1, "sei.m_dpbOutputDelayDuLength must be > 0");
xWriteCode( sei.m_dpbOutputDelayDuLength - 1, 5, "dpb_output_delay_du_length_minus1" );
xWriteFlag( sei.m_decodingUnitCpbParamsInPicTimingSeiFlag, "decoding_unit_cpb_params_in_pic_timing_sei_flag" );
xWriteFlag(sei.m_decodingUnitDpbDuParamsInPicTimingSeiFlag, "decoding_unit_dpb_du_params_in_pic_timing_sei_flag");
}
xWriteFlag( sei.m_concatenationFlag, "concatenation_flag");
xWriteFlag( sei.m_additionalConcatenationInfoPresentFlag, "additional_concatenation_info_present_flag");
if (sei.m_additionalConcatenationInfoPresentFlag)
{
xWriteCode( sei.m_maxInitialRemovalDelayForConcatenation, sei.m_initialCpbRemovalDelayLength, "max_initial_removal_delay_for_concatenation" );
}
CHECK (sei.m_auCpbRemovalDelayDelta < 1, "sei.m_auCpbRemovalDelayDelta must be > 0");
xWriteCode( sei.m_auCpbRemovalDelayDelta - 1, sei.m_cpbRemovalDelayLength, "au_cpb_removal_delay_delta_minus1" );
CHECK(sei.m_bpMaxSubLayers < 1, "bp_max_sub_layers_minus1 must be > 0");
xWriteCode(sei.m_bpMaxSubLayers - 1, 3, "bp_max_sub_layers_minus1");
if (sei.m_bpMaxSubLayers - 1 > 0)
{
xWriteFlag(sei.m_cpbRemovalDelayDeltasPresentFlag, "cpb_removal_delay_deltas_present_flag");
}
if (sei.m_cpbRemovalDelayDeltasPresentFlag)
{
CHECK (sei.m_numCpbRemovalDelayDeltas < 1, "m_numCpbRemovalDelayDeltas must be > 0");
xWriteUvlc( sei.m_numCpbRemovalDelayDeltas - 1, "num_cpb_removal_delay_deltas_minus1" );
for( int i = 0; i < sei.m_numCpbRemovalDelayDeltas; i ++ )
{
xWriteCode( sei.m_cpbRemovalDelayDelta[i], sei.m_cpbRemovalDelayLength, "cpb_removal_delay_delta[i]" );
}
}
CHECK (sei.m_bpCpbCnt < 1, "sei.m_bpCpbCnt must be > 0");
xWriteUvlc( sei.m_bpCpbCnt - 1, "bp_cpb_cnt_minus1");
if (sei.m_bpMaxSubLayers - 1 > 0)
{
xWriteFlag(sei.m_sublayerInitialCpbRemovalDelayPresentFlag, "bp_sublayer_initial_cpb_removal_delay_present_flag");
}
for (int i = (sei.m_sublayerInitialCpbRemovalDelayPresentFlag ? 0 : sei.m_bpMaxSubLayers - 1); i < sei.m_bpMaxSubLayers; i++)
{
for( int nalOrVcl = 0; nalOrVcl < 2; nalOrVcl ++ )
{
if( ( ( nalOrVcl == 0 ) && ( sei.m_bpNalCpbParamsPresentFlag ) ) ||
( ( nalOrVcl == 1 ) && ( sei.m_bpVclCpbParamsPresentFlag ) ) )
{
for( int j = 0; j < sei.m_bpCpbCnt; j ++ )
{
xWriteCode( sei.m_initialCpbRemovalDelay[i][j][nalOrVcl], sei.m_initialCpbRemovalDelayLength, "initial_cpb_removal_delay[i][j][nalOrVcl]" );
xWriteCode( sei.m_initialCpbRemovalOffset[i][j][nalOrVcl], sei.m_initialCpbRemovalDelayLength, "initial_cpb_removal_delay_offset[i][j][nalOrVcl]" );
}
}
}
}
if (sei.m_bpMaxSubLayers-1 > 0)
{
xWriteFlag(sei.m_sublayerDpbOutputOffsetsPresentFlag, "bp_sublayer_dpb_output_offsets_present_flag");
}
if(sei.m_sublayerDpbOutputOffsetsPresentFlag)
{
for(int i = 0; i < sei.m_bpMaxSubLayers - 1; i++) {
xWriteUvlc( sei.m_dpbOutputTidOffset[i], "dpb_output_tid_offset[i]" );
}
}
xWriteFlag(sei.m_altCpbParamsPresentFlag, "bp_alt_cpb_params_present_flag");
if (sei.m_altCpbParamsPresentFlag)
{
xWriteFlag(sei.m_useAltCpbParamsFlag, "use_alt_cpb_params_flag");
}
}
void SEIWriter::xWriteSEIPictureTiming(const SEIPictureTiming& sei, const SEIBufferingPeriod &bp, const uint32_t temporalId)
{
xWriteCode( sei.m_auCpbRemovalDelay[bp.m_bpMaxSubLayers - 1] - 1, bp.m_cpbRemovalDelayLength, "pt_cpb_removal_delay_minus1[bp_max_sub_layers_minus1]" );
for (int i = temporalId; i < bp.m_bpMaxSubLayers - 1; i++)
{
xWriteFlag(sei.m_ptSubLayerDelaysPresentFlag[i], "pt_sublayer_delays_present_flag[i]");
if (sei.m_ptSubLayerDelaysPresentFlag[i])
{
if (bp.m_cpbRemovalDelayDeltasPresentFlag)
{
xWriteFlag(sei.m_cpbRemovalDelayDeltaEnabledFlag[i], "pt_cpb_removal_delay_delta_enabled_flag[i]");
}
if (sei.m_cpbRemovalDelayDeltaEnabledFlag[i])
{
if ((bp.m_numCpbRemovalDelayDeltas - 1) > 0)
{
xWriteCode(sei.m_cpbRemovalDelayDeltaIdx[i], ceilLog2(bp.m_numCpbRemovalDelayDeltas), "pt_cpb_removal_delay_delta_idx[i]");
}
}
else
{
xWriteCode(sei.m_auCpbRemovalDelay[i] - 1, bp.m_cpbRemovalDelayLength, "pt_cpb_removal_delay_minus1[i]");
}
}
}
xWriteCode(sei.m_picDpbOutputDelay, bp.m_dpbOutputDelayLength, "pt_dpb_output_delay");
if( bp.m_altCpbParamsPresentFlag )
{
xWriteFlag( sei.m_cpbAltTimingInfoPresentFlag, "cpb_alt_timing_info_present_flag" );
if( sei.m_cpbAltTimingInfoPresentFlag )
{
if (bp.m_bpNalCpbParamsPresentFlag)
{
for (int i = (bp.m_sublayerInitialCpbRemovalDelayPresentFlag ? 0 : bp.m_bpMaxSubLayers - 1); i <= bp.m_bpMaxSubLayers - 1; ++i)
{
for (int j = 0; j < bp.m_bpCpbCnt; j++)
{
xWriteCode(sei.m_nalCpbAltInitialRemovalDelayDelta[i][j], bp.m_initialCpbRemovalDelayLength,
"nal_cpb_alt_initial_cpb_removal_delay_delta[ i ][ j ]");
xWriteCode(sei.m_nalCpbAltInitialRemovalOffsetDelta[i][j], bp.m_initialCpbRemovalDelayLength,
"nal_cpb_alt_initial_cpb_removal_offset_delta[ i ][ j ]");
}
xWriteCode(sei.m_nalCpbDelayOffset[i], bp.m_cpbRemovalDelayLength, "nal_cpb_delay_offset[ i ]");
xWriteCode(sei.m_nalDpbDelayOffset[i], bp.m_dpbOutputDelayLength, "nal_dpb_delay_offset[ i ]");
}
}
if (bp.m_bpVclCpbParamsPresentFlag)
{
for (int i = (bp.m_sublayerInitialCpbRemovalDelayPresentFlag ? 0 : bp.m_bpMaxSubLayers - 1);
i <= bp.m_bpMaxSubLayers - 1; ++i)
{
for (int j = 0; j < bp.m_bpCpbCnt; j++)
{
xWriteCode(sei.m_vclCpbAltInitialRemovalDelayDelta[i][j], bp.m_initialCpbRemovalDelayLength,
"vcl_cpb_alt_initial_cpb_removal_delay_delta[ i ][ j ]");
xWriteCode(sei.m_vclCpbAltInitialRemovalOffsetDelta[i][j], bp.m_initialCpbRemovalDelayLength, "vcl_cpb_alt_initial_cpb_removal_offset_delta[ i ][ j ]");
}
xWriteCode(sei.m_vclCpbDelayOffset[i], bp.m_cpbRemovalDelayLength, "vcl_cpb_delay_offset[ i ]");
xWriteCode(sei.m_vclDpbDelayOffset[i], bp.m_dpbOutputDelayLength, "vcl_dpb_delay_offset[ i ]");
}
}
}
}
if (bp.m_bpDecodingUnitHrdParamsPresentFlag && bp.m_decodingUnitDpbDuParamsInPicTimingSeiFlag)
{
xWriteCode( sei.m_picDpbOutputDuDelay, bp.m_dpbOutputDelayDuLength, "pic_dpb_output_du_delay" );
}
if( bp.m_bpDecodingUnitHrdParamsPresentFlag && bp.m_decodingUnitCpbParamsInPicTimingSeiFlag )
{
xWriteUvlc( sei.m_numDecodingUnitsMinus1, "num_decoding_units_minus1" );
if (sei.m_numDecodingUnitsMinus1 > 0)
{
xWriteFlag( sei.m_duCommonCpbRemovalDelayFlag, "du_commmon_cpb_removal_delay_flag" );
if( sei.m_duCommonCpbRemovalDelayFlag )
{
for( int i = temporalId; i <= bp.m_bpMaxSubLayers - 1; i ++ )
{
if( sei.m_ptSubLayerDelaysPresentFlag[i] )
{
xWriteCode( sei.m_duCommonCpbRemovalDelayMinus1[i], bp.m_duCpbRemovalDelayIncrementLength, "du_common_cpb_removal_delay_increment_minus1[i]" );
}
}
}
for( int i = 0; i <= sei.m_numDecodingUnitsMinus1; i ++ )
{
xWriteUvlc( sei.m_numNalusInDuMinus1[i], "num_nalus_in_du_minus1[i]" );
if( !sei.m_duCommonCpbRemovalDelayFlag && i < sei.m_numDecodingUnitsMinus1 )
{
for( int j = temporalId; j <= bp.m_bpMaxSubLayers - 1; j ++ )
{
if( sei.m_ptSubLayerDelaysPresentFlag[j] )
{
xWriteCode( sei.m_duCpbRemovalDelayMinus1[i * bp.m_bpMaxSubLayers + j], bp.m_duCpbRemovalDelayIncrementLength, "du_cpb_removal_delay_increment_minus1[i][j]" );
}
}
}
}
}
}
xWriteCode( sei.m_ptDisplayElementalPeriodsMinus1, 8, "pt_display_elemental_periods_minus1" );
}
void SEIWriter::xWriteSEIFrameFieldInfo(const SEIFrameFieldInfo& sei)
{
xWriteFlag( sei.m_fieldPicFlag ? 1 : 0, "ffi_field_pic_flag" );
if (sei.m_fieldPicFlag)
{
xWriteFlag( sei.m_bottomFieldFlag ? 1 : 0, "ffi_bottom_field_flag" );
xWriteFlag( sei.m_pairingIndicatedFlag ? 1 : 0, "ffi_pairing_indicated_flag" );
if (sei.m_pairingIndicatedFlag)
{
xWriteFlag( sei.m_pairedWithNextFieldFlag ? 1 : 0, "ffi_paired_with_next_field_flag" );
}
}
else
{
xWriteFlag( sei.m_displayFieldsFromFrameFlag ? 1 : 0, "ffi_display_fields_from_frame_flag" );
if (sei.m_displayFieldsFromFrameFlag)
{
xWriteFlag( sei.m_topFieldFirstFlag ? 1 : 0, "ffi_top_field_first_flag" );
}
xWriteCode( sei.m_displayElementalPeriodsMinus1, 8, "ffi_display_elemental_periods_minus1" );
}
xWriteCode( sei.m_sourceScanType, 2, "ffi_source_scan_type" ); xWriteFlag( sei.m_duplicateFlag ? 1 : 0, "ffi_duplicate_flag" );
}
void SEIWriter::xWriteSEIDependentRAPIndication(const SEIDependentRAPIndication& /*sei*/)
{
// intentionally empty
}
void SEIWriter::xWriteSEIEdrapIndication(const SEIExtendedDrapIndication& sei)
{
xWriteCode( sei.m_edrapIndicationRapIdMinus1, 16, "edrap_rap_id_minsu1" );
xWriteFlag( sei.m_edrapIndicationLeadingPicturesDecodableFlag ? 1 : 0, "edrap_leading_pictures_decodable_flag" );
xWriteCode( sei.m_edrapIndicationReservedZero12Bits, 12, "edrap_reserved_zero_12bits" );
xWriteCode( sei.m_edrapIndicationNumRefRapPicsMinus1, 3, "edrap_num_ref_rap_pics_minus1" );
for (int i = 0; i <= sei.m_edrapIndicationNumRefRapPicsMinus1; i++)
{
xWriteCode( sei.m_edrapIndicationRefRapId[i], 16, "edrap_ref_rap_id[i]" );
}
}
void SEIWriter::xWriteSEIScalableNesting(OutputBitstream& bs, const SEIScalableNesting& sei)
{
CHECK (sei.m_nestedSEIs.size()<1, "There must be at lease one SEI message nested in the scalable nesting SEI.")
xWriteFlag(sei.m_snOlsFlag, "sn_ols_flag");
xWriteFlag(sei.m_snSubpicFlag, "sn_subpic_flag");
if (sei.m_snOlsFlag)
{
xWriteUvlc(sei.m_snNumOlssMinus1, "sn_num_olss_minus1");
for (uint32_t i = 0; i <= sei.m_snNumOlssMinus1; i++)
{
xWriteUvlc(sei.m_snOlsIdxDeltaMinus1[i], "sn_ols_idx_delta_minus1[i]");
}
}
else
{
xWriteFlag(sei.m_snAllLayersFlag, "sn_all_layers_flag");
if (!sei.m_snAllLayersFlag)
{
xWriteUvlc(sei.m_snNumLayersMinus1, "sn_num_layers");
for (uint32_t i = 1; i <= sei.m_snNumLayersMinus1; i++)
{
xWriteCode(sei.m_snLayerId[i], 6, "sn_layer_id");
}
}
}
if (sei.m_snSubpicFlag)
{
xWriteUvlc( sei.m_snNumSubpics - 1, "sn_num_subpics_minus1");
CHECK(sei.m_snSubpicIdLen < 1, "sn_subpic_id_len_minus1 must be >= 0");
xWriteUvlc( sei.m_snSubpicIdLen - 1, "sn_subpic_id_len_minus1");
for (uint32_t i = 0; i < sei.m_snNumSubpics; i++)
{
xWriteCode(sei.m_snSubpicId[i], sei.m_snSubpicIdLen, "sn_subpic_id[i]");
}
}
xWriteUvlc( (uint32_t)sei.m_nestedSEIs.size() - 1, "sn_num_seis_minus1");
// byte alignment
while (m_pcBitIf->getNumberOfWrittenBits() % 8 != 0)
{
xWriteFlag(0, "sn_zero_bit");
}
SEIMessages bufferingPeriod = getSeisByType(sei.m_nestedSEIs, SEI::PayloadType::BUFFERING_PERIOD);
if (!bufferingPeriod.empty())
{
SEIBufferingPeriod *bp = (SEIBufferingPeriod*)bufferingPeriod.front();
m_nestingHrd.setBufferingPeriodSEI(bp); }
// write nested SEI messages
writeSEImessages(bs, sei.m_nestedSEIs, m_nestingHrd, true, 0);
}
void SEIWriter::xWriteSEIFramePacking(const SEIFramePacking &sei, int SEIPrefixIndicationIdx)
{
if (SEIPrefixIndicationIdx)
{
int numBits = 0;
numBits += 2 * floorLog2(sei.m_arrangementId + 1) + 1;
if (!sei.m_arrangementCancelFlag)
{
numBits += 9;
}
else
{
numBits += 2;
}
xWriteCode(numBits - 1, 16, "num_bits_in_prefix_indication_minus1");
}
xWriteUvlc( sei.m_arrangementId, "fp_arrangement_id" );
xWriteFlag( sei.m_arrangementCancelFlag, "fp_arrangement_cancel_flag" );
if( sei.m_arrangementCancelFlag == 0 )
{
xWriteCode( sei.m_arrangementType, 7, "fp_arrangement_type" );
if (SEIPrefixIndicationIdx)
{
return;
}
xWriteFlag( sei.m_quincunxSamplingFlag, "fp_quincunx_sampling_flag" );
xWriteCode( sei.m_contentInterpretationType, 6, "fp_content_interpretation_type" );
xWriteFlag( sei.m_spatialFlippingFlag, "fp_spatial_flipping_flag" );
xWriteFlag( sei.m_frame0FlippedFlag, "fp_frame0_flipped_flag" );
xWriteFlag( sei.m_fieldViewsFlag, "fp_field_views_flag" );
xWriteFlag( sei.m_currentFrameIsFrame0Flag, "fp_current_frame_is_frame0_flag" );
xWriteFlag( sei.m_frame0SelfContainedFlag, "fp_frame0_self_contained_flag" );
xWriteFlag( sei.m_frame1SelfContainedFlag, "fp_frame1_self_contained_flag" );
if(sei.m_quincunxSamplingFlag == 0 && sei.m_arrangementType != 5)
{
xWriteCode( sei.m_frame0GridPositionX, 4, "fp_frame0_grid_position_x" );
xWriteCode( sei.m_frame0GridPositionY, 4, "fp_frame0_grid_position_y" );
xWriteCode( sei.m_frame1GridPositionX, 4, "fp_frame1_grid_position_x" );
xWriteCode( sei.m_frame1GridPositionY, 4, "fp_frame1_grid_position_y" );
}
xWriteCode( sei.m_arrangementReservedByte, 8, "fp_arrangement_reserved_byte" );
xWriteFlag( sei.m_arrangementPersistenceFlag, "fp_arrangement_persistence_flag" );
}
xWriteFlag( sei.m_upsampledAspectRatio, "fp_upsampled_aspect_ratio_flag" );
}
void SEIWriter::xWriteSEIDisplayOrientation(const SEIDisplayOrientation& sei)
{
xWriteFlag(sei.m_doCancelFlag, "display_orientation_cancel_flag");
if (sei.m_doCancelFlag == 0)
{
xWriteFlag(sei.m_doPersistenceFlag, "display_orientation_persistence_flag");
xWriteCode(sei.m_doTransformType, 3, "display_orientation_transform_type");
xWriteCode(0, 3, "display_orientation_reserved_zero_3bits");
}
}
void SEIWriter::xWriteSEIParameterSetsInclusionIndication(const SEIParameterSetsInclusionIndication& sei)
{
xWriteFlag(sei.m_selfContainedClvsFlag, "psii_self_contained_clvs_flag");
}
void SEIWriter::xWriteSEIMasteringDisplayColourVolume(const SEIMasteringDisplayColourVolume& sei)
{
xWriteCode( sei.values.primaries[0][0], 16, "mdcv_display_primaries_x[0]" );
xWriteCode( sei.values.primaries[0][1], 16, "mdcv_display_primaries_y[0]" );
xWriteCode( sei.values.primaries[1][0], 16, "mdcv_display_primaries_x[1]" );
xWriteCode( sei.values.primaries[1][1], 16, "mdcv_display_primaries_y[1]" );
xWriteCode( sei.values.primaries[2][0], 16, "mdcv_display_primaries_x[2]" );
xWriteCode( sei.values.primaries[2][1], 16, "mdcv_display_primaries_y[2]" );
xWriteCode( sei.values.whitePoint[0], 16, "mdcv_white_point_x" );
xWriteCode( sei.values.whitePoint[1], 16, "mdcv_white_point_y" );
xWriteCode( sei.values.maxLuminance, 32, "mdcv_max_display_mastering_luminance" );
xWriteCode( sei.values.minLuminance, 32, "mdcv_min_display_mastering_luminance" );
}
void SEIWriter::xWriteSEISEIManifest(const SEIManifest &sei)
{
xWriteCode(sei.m_manifestNumSeiMsgTypes, 16, "manifest_num_sei_msg_types");
for (int i = 0; i < sei.m_manifestNumSeiMsgTypes; i++)
{
xWriteCode(to_underlying(sei.m_manifestSeiPayloadType[i]), 16, "manifest_sei_payload_types");
xWriteCode(sei.m_manifestSeiDescription[i], 8, "manifest_sei_description");
}
}
//SEI prefix indication
void SEIWriter::xWriteSEISEIPrefixIndication(OutputBitstream &bs, const SEIPrefixIndication &sei, HRD &hrd, const uint32_t temporalId)
{
xWriteCode(to_underlying(sei.m_prefixSeiPayloadType), 16, "prefix_sei_payload_type");
int idx = sei.m_numSeiPrefixIndicationsMinus1 + 1;
//If num_sei_prefix_indication cannot be determined during initialization, then determine when writing prefix databits
if (idx <= 1)
{
xWriteCode(sei.m_numSeiPrefixIndicationsMinus1, 8, "num_sei_prefix_indications_minus1");
}
// By writing SEI prefix indication recursively, you only need to pass in SEIPrefixIndicationIdx in the corresponding
// function and add the SEI prefix syntax elements. At present, only part of SEI can be written in SEI prefix
// indication. If it needs to be added later, the corresponding databit should be determined
xWriteSEIpayloadData(bs, *static_cast<const SEI *>(sei.m_payload), hrd, temporalId, idx);
xWriteSEIPrefixIndicationByteAlign();
}
void SEIWriter::xWriteSEIPrefixIndicationByteAlign() {
while (m_pcBitIf->getNumberOfWrittenBits() % 8 != 0)
{
xWriteFlag(1, "byte_alignment_bit_equal_to_one");
}
}
// ~SEI prefix indication
void SEIWriter::xWriteSEIAnnotatedRegions(const SEIAnnotatedRegions &sei)
{
xWriteFlag(sei.m_hdr.m_cancelFlag, "ar_cancel_flag");
if (!sei.m_hdr.m_cancelFlag)
{
xWriteFlag(sei.m_hdr.m_notOptimizedForViewingFlag, "ar_not_optimized_for_viewing_flag");
xWriteFlag(sei.m_hdr.m_trueMotionFlag, "ar_true_motion_flag");
xWriteFlag(sei.m_hdr.m_occludedObjectFlag, "ar_occluded_object_flag");
xWriteFlag(sei.m_hdr.m_partialObjectFlagPresentFlag, "ar_partial_object_flag_present_flag");
xWriteFlag(sei.m_hdr.m_objectLabelPresentFlag, "ar_object_label_present_flag");
xWriteFlag(sei.m_hdr.m_objectConfidenceInfoPresentFlag, "ar_object_confidence_info_present_flag"); if (sei.m_hdr.m_objectConfidenceInfoPresentFlag)
{
assert(sei.m_hdr.m_objectConfidenceLength <= 16 && sei.m_hdr.m_objectConfidenceLength>0);
xWriteCode((sei.m_hdr.m_objectConfidenceLength - 1), 4, "ar_object_confidence_length_minus_1");
}
if (sei.m_hdr.m_objectLabelPresentFlag)
{
xWriteFlag(sei.m_hdr.m_objectLabelLanguagePresentFlag, "ar_object_label_language_present_flag");
if (sei.m_hdr.m_objectLabelLanguagePresentFlag)
{
xWriteByteAlign();
assert(sei.m_hdr.m_annotatedRegionsObjectLabelLang.size()<256);
for (uint32_t j = 0; j < sei.m_hdr.m_annotatedRegionsObjectLabelLang.size(); j++)
{
char ch = sei.m_hdr.m_annotatedRegionsObjectLabelLang[j];
xWriteCode(ch, 8, "ar_object_label_language");
}
xWriteCode('\0', 8, "ar_label_language");
}
xWriteUvlc((uint32_t)sei.m_annotatedLabels.size(), "ar_num_label_updates");
assert(sei.m_annotatedLabels.size()<256);
for(auto it=sei.m_annotatedLabels.begin(); it!=sei.m_annotatedLabels.end(); it++)
{
assert(it->first < 256);
xWriteUvlc(it->first, "ar_label_idx[]");
const SEIAnnotatedRegions::AnnotatedRegionLabel &ar=it->second;
xWriteFlag(!ar.labelValid, "ar_label_cancel_flag");
if (ar.labelValid)
{
xWriteByteAlign();
assert(ar.label.size()<256);
for (uint32_t j = 0; j < ar.label.size(); j++)
{
char ch = ar.label[j];
xWriteCode(ch, 8, "ar_label[]");
}
xWriteCode('\0', 8, "ar_label[]");
}
}
}
xWriteUvlc((uint32_t)sei.m_annotatedRegions.size(), "ar_num_object_updates");
assert(sei.m_annotatedRegions.size()<256);
for (auto it=sei.m_annotatedRegions.begin(); it!=sei.m_annotatedRegions.end(); it++)
{
const SEIAnnotatedRegions::AnnotatedRegionObject &ar = it->second;
xWriteUvlc(it->first, "ar_object_idx");
xWriteFlag(ar.objectCancelFlag, "ar_object_cancel_flag");
if (!ar.objectCancelFlag)
{
if (sei.m_hdr.m_objectLabelPresentFlag)
{
xWriteFlag(ar.objectLabelValid, "ar_object_label_update_flag");
if (ar.objectLabelValid)
{
assert(ar.objLabelIdx<256);
xWriteUvlc(ar.objLabelIdx, "ar_object_label_idx");
}
}
xWriteFlag(ar.boundingBoxValid, "ar_object_bounding_box_update_flag");
if (ar.boundingBoxValid)
{
xWriteFlag(ar.boundingBoxCancelFlag, "ar_bounding_box_cancel_flag");
if (!ar.boundingBoxCancelFlag)
{
xWriteCode(ar.boundingBoxTop, 16, "ar_bounding_box_top");
xWriteCode(ar.boundingBoxLeft, 16, "ar_bounding_box_left");
xWriteCode(ar.boundingBoxWidth, 16, "ar_bounding_box_width");
xWriteCode(ar.boundingBoxHeight,16, "ar_bounding_box_height");
if (sei.m_hdr.m_partialObjectFlagPresentFlag) {
xWriteUvlc(ar.partialObjectFlag, "ar_partial_object_flag");
}
if (sei.m_hdr.m_objectConfidenceInfoPresentFlag)
{
assert(ar.objectConfidence < (1<<sei.m_hdr.m_objectConfidenceLength));
xWriteCode(ar.objectConfidence, sei.m_hdr.m_objectConfidenceLength, "ar_object_confidence");
}
}
}
}
}
}
}
void SEIWriter::xWriteByteAlign()
{
if( m_pcBitIf->getNumberOfWrittenBits() % 8 != 0)
{
xWriteFlag( 1, "payload_bit_equal_to_one" );
while( m_pcBitIf->getNumberOfWrittenBits() % 8 != 0 )
{
xWriteFlag( 0, "payload_bit_equal_to_zero" );
}
}
}
void SEIWriter::xWriteSEIAlternativeTransferCharacteristics(const SEIAlternativeTransferCharacteristics& sei)
{
xWriteCode(sei.m_preferredTransferCharacteristics, 8, "preferred_transfer_characteristics");
}
void SEIWriter::xWriteSEIEquirectangularProjection(const SEIEquirectangularProjection &sei, int SEIPrefixIndicationIdx)
{
if (SEIPrefixIndicationIdx)
{
int numBits = 5;
if (sei.m_erpGuardBandFlag)
{
numBits += 19;
}
xWriteCode(numBits - 1, 16, "num_bits_in_prefix_indication_minus1");
}
xWriteFlag( sei.m_erpCancelFlag, "erp_cancel_flag" );
if( !sei.m_erpCancelFlag )
{
xWriteFlag( sei.m_erpPersistenceFlag, "erp_persistence_flag" );
xWriteFlag( sei.m_erpGuardBandFlag, "erp_guard_band_flag" );
xWriteCode( 0, 2, "erp_reserved_zero_2bits" );
if ( sei.m_erpGuardBandFlag == 1)
{
xWriteCode( sei.m_erpGuardBandType, 3, "erp_guard_band_type" );
xWriteCode( sei.m_erpLeftGuardBandWidth, 8, "erp_left_guard_band_width" );
xWriteCode( sei.m_erpRightGuardBandWidth, 8, "erp_right_guard_band_width" );
}
}
}
void SEIWriter::xWriteSEISphereRotation(const SEISphereRotation &sei, int SEIPrefixIndicationIdx)
{
if (SEIPrefixIndicationIdx)
{
if (sei.m_sphereRotationCancelFlag)
{
xWriteCode(0, 8, "num_sei_prefix_indications_minus1");
}
else
{
xWriteCode(1, 8, "num_sei_prefix_indications_minus1");
} int numBits = 8;
xWriteCode(numBits - 1, 16, "num_bits_in_prefix_indication_minus1");
}
xWriteFlag( sei.m_sphereRotationCancelFlag, "sphere_rotation_cancel_flag" );
if( !sei.m_sphereRotationCancelFlag )
{
xWriteFlag( sei.m_sphereRotationPersistenceFlag, "sphere_rotation_persistence_flag" );
xWriteCode( 0, 6, "sphere_rotation_reserved_zero_6bits" );
if (SEIPrefixIndicationIdx >= 2)
{
xWriteSEIPrefixIndicationByteAlign();
int numBits2 = 8 + 32 + 32 + 32;
xWriteCode(numBits2 - 1, 16, "num_bits_in_prefix_indication_minus1");
xWriteFlag(sei.m_sphereRotationCancelFlag, "sphere_rotation_cancel_flag");
xWriteFlag(sei.m_sphereRotationPersistenceFlag, "sphere_rotation_persistence_flag");
xWriteCode(0, 6, "sphere_rotation_reserved_zero_6bits");
}
xWriteSCode(sei.m_sphereRotationYaw, 32, "sphere_rotation_yaw" );
xWriteSCode(sei.m_sphereRotationPitch, 32, "sphere_rotation_pitch" );
xWriteSCode(sei.m_sphereRotationRoll, 32, "sphere_rotation_roll" );
}
}
void SEIWriter::xWriteSEIOmniViewport(const SEIOmniViewport &sei)
{
xWriteCode( sei.m_omniViewportId, 10, "omni_viewport_id" );
xWriteFlag( sei.m_omniViewportCancelFlag, "omni_viewport_cancel_flag" );
if ( !sei.m_omniViewportCancelFlag )
{
xWriteFlag( sei.m_omniViewportPersistenceFlag, "omni_viewport_persistence_flag" );
const uint32_t numRegions = (uint32_t) sei.m_omniViewportRegions.size();
xWriteCode( numRegions - 1, 4, "omni_viewport_cnt_minus1" );
for(uint32_t region=0; region<numRegions; region++)
{
const SEIOmniViewport::OmniViewport &viewport=sei.m_omniViewportRegions[region];
xWriteSCode( viewport.azimuthCentre, 32, "omni_viewport_azimuth_centre" );
xWriteSCode( viewport.elevationCentre, 32, "omni_viewport_elevation_centre" );
xWriteSCode( viewport.tiltCentre, 32, "omni_viewport_tilt_center" );
xWriteCode( viewport.horRange, 32, "omni_viewport_hor_range[i]" );
xWriteCode( viewport.verRange, 32, "omni_viewport_ver_range[i]" );
}
}
}
void SEIWriter::xWriteSEIRegionWisePacking(const SEIRegionWisePacking &sei, int SEIPrefixIndicationIdx)
{
if (SEIPrefixIndicationIdx)
{
xWriteCode(0, 8, "num_sei_prefix_indications_minus1");
int numBits = 1;
if (!sei.m_rwpCancelFlag)
{
numBits += 111;
}
xWriteCode(numBits - 1, 16, "num_bits_in_prefix_indication_minus1");
}
xWriteFlag( sei.m_rwpCancelFlag, "rwp_cancel_flag" );
if(!sei.m_rwpCancelFlag)
{
xWriteFlag( sei.m_rwpPersistenceFlag, "rwp_persistence_flag" );
xWriteFlag( sei.m_constituentPictureMatchingFlag, "rwp_constituent_picture_matching_flag" );
xWriteCode( 0, 5, "rwp_reserved_zero_5bits" );
xWriteCode( (uint32_t)sei.m_numPackedRegions, 8, "rwp_num_packed_regions" );
xWriteCode( (uint32_t)sei.m_projPictureWidth, 32, "rwp_proj_picture_width" );
xWriteCode( (uint32_t)sei.m_projPictureHeight, 32, "rwp_proj_picture_height" );
xWriteCode( (uint32_t)sei.m_packedPictureWidth, 16, "rwp_packed_picture_width" );
xWriteCode( (uint32_t)sei.m_packedPictureHeight, 16, "rwp_packed_picture_height" );
if (SEIPrefixIndicationIdx)
{
// don't write full message return;
}
for( int i=0; i < sei.m_numPackedRegions; i++ )
{
xWriteCode( 0, 4, "rwp_reserved_zero_4bits" );
xWriteCode( (uint32_t)sei.m_rwpTransformType[i], 3, "rwp_transform_type" );
xWriteFlag( sei.m_rwpGuardBandFlag[i], "rwp_guard_band_flag" );
xWriteCode( (uint32_t)sei.m_projRegionWidth[i], 32, "rwp_proj_region_width" );
xWriteCode( (uint32_t)sei.m_projRegionHeight[i], 32, "rwp_proj_region_height" );
xWriteCode( (uint32_t)sei.m_rwpProjRegionTop[i], 32, "rwp_proj_region_top" );
xWriteCode( (uint32_t)sei.m_projRegionLeft[i], 32, "rwp_proj_region_left" );
xWriteCode( (uint32_t)sei.m_packedRegionWidth[i], 16, "rwp_packed_region_width" );
xWriteCode( (uint32_t)sei.m_packedRegionHeight[i], 16, "rwp_packed_region_height" );
xWriteCode( (uint32_t)sei.m_packedRegionTop[i], 16, "rwp_packed_region_top" );
xWriteCode( (uint32_t)sei.m_packedRegionLeft[i], 16, "rwp_packed_region_left" );
if( sei.m_rwpGuardBandFlag[i] )
{
xWriteCode( (uint32_t)sei.m_rwpLeftGuardBandWidth[i], 8, "rwp_left_guard_band_width");
xWriteCode( (uint32_t)sei.m_rwpRightGuardBandWidth[i], 8, "rwp_right_guard_band_width");
xWriteCode( (uint32_t)sei.m_rwpTopGuardBandHeight[i], 8, "rwp_top_guard_band_height");
xWriteCode( (uint32_t)sei. m_rwpBottomGuardBandHeight[i], 8, "rwp_bottom_guard_band_height");
xWriteFlag( sei.m_rwpGuardBandNotUsedForPredFlag[i], "rwp_guard_band_not_used_for_pred_flag" );
for( int j=0; j < 4; j++ )
{
xWriteCode( (uint32_t)sei.m_rwpGuardBandType[i*4 + j], 3, "rwp_guard_band_type");
}
xWriteCode( 0, 3, "rwp_guard_band_reserved_zero_3bits" );
}
}
}
}
void SEIWriter::xWriteSEIGeneralizedCubemapProjection(const SEIGeneralizedCubemapProjection &sei,
int SEIPrefixIndicationIdx)
{
if (SEIPrefixIndicationIdx)
{
int numBits = 1;
if (!sei.m_gcmpCancelFlag)
{
numBits += 6;
}
xWriteCode(numBits - 1, 16, "num_bits_in_prefix_indication_minus1");
}
xWriteFlag( sei.m_gcmpCancelFlag, "gcmp_cancel_flag" );
if (!sei.m_gcmpCancelFlag)
{
xWriteFlag( sei.m_gcmpPersistenceFlag, "gcmp_persistence_flag" );
xWriteCode( sei.m_gcmpPackingType, 3, "gcmp_packing_type" );
xWriteCode( sei.m_gcmpMappingFunctionType, 2, "gcmp_mapping_function_type" );
if (SEIPrefixIndicationIdx == 1)
{
return;
}
int numFace = sei.m_gcmpPackingType == 4 || sei.m_gcmpPackingType == 5 ? 5 : 6;
for (int i = 0; i < numFace; i++)
{
xWriteCode( sei.m_gcmpFaceIndex[i], 3, "gcmp_face_index" );
xWriteCode( sei.m_gcmpFaceRotation[i], 2, "gcmp_face_rotation" );
if (sei.m_gcmpMappingFunctionType == 2)
{
xWriteCode( sei.m_gcmpFunctionCoeffU[i], 7, "gcmp_function_coeff_u" );
xWriteFlag( sei.m_gcmpFunctionUAffectedByVFlag[i], "gcmp_function_u_affected_by_v_flag" );
xWriteCode( sei.m_gcmpFunctionCoeffV[i], 7, "gcmp_function_coeff_v" );
xWriteFlag( sei.m_gcmpFunctionVAffectedByUFlag[i], "gcmp_function_v_affected_by_u_flag" );
}
}
xWriteFlag( sei.m_gcmpGuardBandFlag, "gcmp_guard_band_flag" );
if (sei.m_gcmpGuardBandFlag) {
xWriteCode( sei.m_gcmpGuardBandType, 3, "gcmp_guard_band_type" );
xWriteFlag( sei.m_gcmpGuardBandBoundaryExteriorFlag, "gcmp_guard_band_boundary_exterior_flag" );
xWriteCode( sei.m_gcmpGuardBandSamplesMinus1, 4, "gcmp_guard_band_samples_minus1" );
}
}
}
void SEIWriter::xWriteSEIScalabilityDimensionInfo(const SEIScalabilityDimensionInfo &sei)
{
xWriteCode(sei.m_sdiMaxLayersMinus1, 6, "sdi_max_layers_minus1");
xWriteFlag(sei.m_sdiMultiviewInfoFlag, "sdi_multiview_info_flag");
xWriteFlag(sei.m_sdiAuxiliaryInfoFlag, "sdi_auxiliary_info_flag");
if (sei.m_sdiMultiviewInfoFlag || sei.m_sdiAuxiliaryInfoFlag)
{
if (sei.m_sdiMultiviewInfoFlag)
{
xWriteCode(sei.m_sdiViewIdLenMinus1, 4, "sdi_view_id_len_minus1");
}
for (int i = 0; i <= sei.m_sdiMaxLayersMinus1; i++)
{
xWriteCode(sei.m_sdiLayerId[i], 6, "sdi_layer_id");
if (sei.m_sdiMultiviewInfoFlag)
{
xWriteCode(sei.m_sdiViewIdVal[i], sei.m_sdiViewIdLenMinus1 + 1, "sdi_view_id_val");
}
if (sei.m_sdiAuxiliaryInfoFlag)
{
xWriteCode(sei.m_sdiAuxId[i], 8, "sdi_aux_id");
if (sei.m_sdiAuxId[i] > 0)
{
xWriteCode(sei.m_sdiNumAssociatedPrimaryLayersMinus1[i], 6, "sdi_num_associated_primary_layers_minus1");
for (int j = 0; j <= sei.m_sdiNumAssociatedPrimaryLayersMinus1[i]; j++)
{
xWriteCode(sei.m_sdiAssociatedPrimaryLayerIdx[i][j], 6, "sdi_associated_primary_layer_idx");
}
}
}
}
}
}
void SEIWriter::xWriteSEIMultiviewAcquisitionInfo(const SEIMultiviewAcquisitionInfo& sei)
{
xWriteFlag( ( sei.m_maiIntrinsicParamFlag ? 1 : 0 ), "intrinsic_param_flag" );
xWriteFlag( ( sei.m_maiExtrinsicParamFlag ? 1 : 0 ), "extrinsic_param_flag" );
xWriteUvlc( sei.m_maiNumViewsMinus1 , "num_views_minus1" );
if( sei.m_maiIntrinsicParamFlag )
{
xWriteFlag( ( sei.m_maiIntrinsicParamsEqualFlag ? 1 : 0 ), "intrinsic_params_equal_flag" );
xWriteUvlc( sei.m_maiPrecFocalLength , "prec_focal_length" );
xWriteUvlc( sei.m_maiPrecPrincipalPoint , "prec_principal_point" );
xWriteUvlc( sei.m_maiPrecSkewFactor , "prec_skew_factor" );
for( int i = 0; i <= ( sei.m_maiIntrinsicParamsEqualFlag ? 0 : sei.m_maiNumViewsMinus1 ); i++ )
{
xWriteFlag( ( sei.m_maiSignFocalLengthX [i] ? 1 : 0 ), "sign_focal_length_x" );
xWriteCode( sei.m_maiExponentFocalLengthX [i] , 6 , "exponent_focal_length_x" );
xWriteCode( sei.m_maiMantissaFocalLengthX [i] , sei.getMantissaFocalLengthXLen( i ), "mantissa_focal_length_x" );
xWriteFlag( ( sei.m_maiSignFocalLengthY [i] ? 1 : 0 ), "sign_focal_length_y" );
xWriteCode( sei.m_maiExponentFocalLengthY [i] , 6 , "exponent_focal_length_y" );
xWriteCode( sei.m_maiMantissaFocalLengthY [i] , sei.getMantissaFocalLengthYLen( i ), "mantissa_focal_length_y" );
xWriteFlag( ( sei.m_maiSignPrincipalPointX [i] ? 1 : 0 ), "sign_principal_point_x" );
xWriteCode( sei.m_maiExponentPrincipalPointX[i] , 6, "exponent_principal_point_x" );
xWriteCode( sei.m_maiMantissaPrincipalPointX[i] , sei.getMantissaPrincipalPointXLen( i ), "mantissa_principal_point_x" );
xWriteFlag( ( sei.m_maiSignPrincipalPointY [i] ? 1 : 0 ), "sign_principal_point_y" );
xWriteCode( sei.m_maiExponentPrincipalPointY[i] , 6, "exponent_principal_point_y" );
xWriteCode( sei.m_maiMantissaPrincipalPointY[i] , sei.getMantissaPrincipalPointYLen( i ), "mantissa_principal_point_y" );
xWriteFlag( ( sei.m_maiSignSkewFactor [i] ? 1 : 0 ), "sign_skew_factor" );
xWriteCode( sei.m_maiExponentSkewFactor [i] , 6, "exponent_skew_factor" ); xWriteCode( sei.m_maiMantissaSkewFactor [i] , sei.getMantissaSkewFactorLen( i ) , "mantissa_skew_factor" );
}
}
if( sei.m_maiExtrinsicParamFlag )
{
xWriteUvlc( sei.m_maiPrecRotationParam , "prec_rotation_param" );
xWriteUvlc( sei.m_maiPrecTranslationParam, "prec_translation_param" );
for( int i = 0; i <= sei.m_maiNumViewsMinus1; i++ )
{
for( int j = 0; j <= 2; j++ ) /* row */
{
for( int k = 0; k <= 2; k++ ) /* column */
{
xWriteFlag( ( sei.m_maiSignR [i][j][k] ? 1 : 0 ), "sign_r" );
xWriteCode( sei.m_maiExponentR[i][j][k] , 6, "exponent_r" );
xWriteCode( sei.m_maiMantissaR[i][j][k] , sei.getMantissaRLen( i,j,k ) , "mantissa_r" );
}
xWriteFlag( ( sei.m_maiSignT [i][j] ? 1 : 0 ), "sign_t" );
xWriteCode( sei.m_maiExponentT[i][j] , 6, "exponent_t" );
xWriteCode( sei.m_maiMantissaT[i][j] , sei.getMantissaTLen( i,j ),"mantissa_t" );
}
}
}
};
void SEIWriter::xWriteSEIMultiviewViewPosition(const SEIMultiviewViewPosition& sei)
{
xWriteUvlc(sei.m_mvpNumViewsMinus1, "num_views_minus1");
for (int i = 0; i <= sei.m_mvpNumViewsMinus1; i++)
{
xWriteUvlc(sei.m_mvpViewPosition[i], "view_position");
}
};
void SEIWriter::xWriteSEIAlphaChannelInfo( const SEIAlphaChannelInfo& sei)
{
xWriteFlag( ( sei.m_aciCancelFlag ? 1 : 0 ), "alpha_channel_cancel_flag" );
if( !sei.m_aciCancelFlag )
{
xWriteCode( sei.m_aciUseIdc, 3, "alpha_channel_use_idc" );
xWriteCode( sei.m_aciBitDepthMinus8, 3, "alpha_channel_bit_depth_minus8" );
xWriteCode( sei.m_aciTransparentValue, sei.m_aciBitDepthMinus8+9, "alpha_transparent_value" );
xWriteCode( sei.m_aciOpaqueValue, sei.m_aciBitDepthMinus8+9, "alpha_opaque_value" );
xWriteFlag( ( sei.m_aciIncrFlag ? 1 : 0 ), "alpha_channel_incr_flag" );
xWriteFlag( ( sei.m_aciClipFlag ? 1 : 0 ), "alpha_channel_clip_flag" );
if( sei.m_aciClipFlag )
{
xWriteFlag( ( sei.m_aciClipTypeFlag ? 1 : 0 ), "alpha_channel_clip_type_flag" );
}
}
};
void SEIWriter::xWriteSEIDepthRepresentationInfo( const SEIDepthRepresentationInfo& sei)
{
xWriteFlag( ( sei.m_driZNearFlag ? 1 : 0 ), "z_near_flag" );
xWriteFlag( ( sei.m_driZFarFlag ? 1 : 0 ), "z_far_flag" );
xWriteFlag( ( sei.m_driDMinFlag ? 1 : 0 ), "d_min_flag" );
xWriteFlag( ( sei.m_driDMaxFlag ? 1 : 0 ), "d_max_flag" );
xWriteUvlc( sei.m_driDepthRepresentationType, "depth_representation_type" );
if( sei.m_driDMinFlag || sei.m_driDMaxFlag )
{
xWriteUvlc( sei.m_driDisparityRefViewId, "disparity_ref_view_id" );
}
if( sei.m_driZNearFlag )
{
xWriteSEIDepthRepInfoElement(sei.m_driZNear);
}
if( sei.m_driZFarFlag )
{
xWriteSEIDepthRepInfoElement(sei.m_driZFar); }
if( sei.m_driDMinFlag )
{
xWriteSEIDepthRepInfoElement(sei.m_driDMin);
}
if( sei.m_driDMaxFlag )
{
xWriteSEIDepthRepInfoElement(sei.m_driDMax);
}
if (sei.m_driDepthRepresentationType == 3)
{
xWriteUvlc( sei.m_driDepthNonlinearRepresentationNumMinus1, "depth_nonlinear_representation_num_minus1" );
for( int i = 1; i <= sei.m_driDepthNonlinearRepresentationNumMinus1 + 1; i++ )
{
xWriteUvlc(sei.m_driDepthNonlinearRepresentationModel.at(i - 1),"depth_nonlinear_representation_model[ i ]");
}
}
}
void SEIWriter::xWriteSEIDepthRepInfoElement( double f )
{
uint32_t x_sign, x_exp, x_mantissa,x_mantissa_len;
if (f < 0)
{
f = f * (-1);
x_sign = 1;
}
else
{
x_sign = 0;
}
int exponent=0;
if(f >= 1)
{
while(f>=2)
{
exponent++;
f = f/2;
}
}
else
{
while (f<1)
{
exponent++;
f = f*2;
}
exponent=-exponent;
}
int i;
f = f -1;
double s = 1;
char s_mantissa[32];
double thr=1.0/(4.0*(1<<30));
if (f>=thr)
{
for(i=0;i<32;i++)
{
s /= 2;
if(f>=s)
{
f = f-s;
s_mantissa[i]=1;
if (f<thr)
break;
} else
{
s_mantissa[i]=0;
}
}
if (i<32)
x_mantissa_len=i+1;
else
x_mantissa_len=32;
x_mantissa=0;
for(i=0;i<x_mantissa_len;i++)
{
if (s_mantissa[i]==1)
x_mantissa += (1u)<<(x_mantissa_len-1-i) ;
}
}
else
{
x_mantissa=0;
x_mantissa_len=1;
}
assert(exponent>=-31 && exponent<= (1<<7)-32);
x_exp=exponent+31;
xWriteFlag( x_sign, "da_sign_flag" );
xWriteCode( x_exp, 7 , "da_exponent" );
xWriteCode( x_mantissa_len-1, 5 , "da_mantissa_len_minus1" );
xWriteCode( x_mantissa, x_mantissa_len , "da_mantissa" );
};
void SEIWriter::xWriteSEISubpictureLevelInfo(const SEISubpicureLevelInfo &sei)
{
CHECK(sei.m_numRefLevels < 1, "SEISubpicureLevelInfo: numRefLevels must be greater than zero");
CHECK(sei.m_numRefLevels != (int)sei.m_refLevelIdc.size(), "SEISubpicureLevelInfo: numRefLevels must be equal to the number of levels");
if (sei.m_explicitFractionPresentFlag)
{
CHECK(sei.m_numRefLevels != (int)sei.m_refLevelFraction.size(), "SEISubpicureLevelInfo: numRefLevels must be equal to the number of fractions");
}
xWriteCode( (uint32_t)sei.m_numRefLevels - 1, 3, "sli_num_ref_levels_minus1");
xWriteFlag( sei.m_cbrConstraintFlag, "sli_cbr_constraint_flag");
xWriteFlag( sei.m_explicitFractionPresentFlag, "sli_explicit_fraction_present_flag");
if (sei.m_explicitFractionPresentFlag)
{
xWriteUvlc( sei.m_numSubpics -1 , "sli_num_subpics_minus1");
xWriteCode( (uint32_t)sei.m_sliMaxSublayers - 1, 3, "sli_max_sublayers_minus1");
xWriteFlag( sei.m_sliSublayerInfoPresentFlag, "sli_sublayer_info_present_flag");
while (!isByteAligned())
{
xWriteFlag( 0, "sli_alignment_zero_bit");
}
}
for (int k = sei.m_sliSublayerInfoPresentFlag ? 0 : sei.m_sliMaxSublayers - 1; k < sei.m_sliMaxSublayers; k++)
{
for (int i = 0; i < sei.m_numRefLevels; i++)
{
xWriteCode((uint32_t)sei.m_nonSubpicLayersFraction[i][k], 8, "sli_non_subpic_layers_fraction[i][k]");
xWriteCode((uint32_t)sei.m_refLevelIdc[i][k], 8, "sli_ref_level_idc[i][k]");
if (sei.m_explicitFractionPresentFlag)
{
CHECK(sei.m_numSubpics != (int)sei.m_refLevelFraction[i].size(), "SEISubpicureLevelInfo: number of fractions differs from number of subpictures");
for (int j = 0; j < sei.m_numSubpics; j++)
{
xWriteCode((uint32_t)sei.m_refLevelFraction[i][j][k], 8, "sli_ref_level_fraction_minus1[i][j][k]");
} }
}
}
}
void SEIWriter::xWriteSEISampleAspectRatioInfo(const SEISampleAspectRatioInfo &sei)
{
xWriteFlag( sei.m_sariCancelFlag, "sari_cancel_flag" );
if(!sei.m_sariCancelFlag)
{
xWriteFlag( sei.m_sariPersistenceFlag, "sari_persistence_flag" );
xWriteCode( (uint32_t)sei.m_sariAspectRatioIdc, 8, "sari_aspect_ratio_idc");
if (sei.m_sariAspectRatioIdc == 255)
{
xWriteCode( (uint32_t)sei.m_sariSarWidth, 16, "sari_sar_width");
xWriteCode( (uint32_t)sei.m_sariSarHeight, 16, "sari_sar_height");
}
}
}
void SEIWriter::xWriteSEIPhaseIndication(const SEIPhaseIndication& sei)
{
xWriteCode((uint32_t)sei.m_horPhaseNum, 8, "hor_phase_num");
xWriteCode((uint32_t)sei.m_horPhaseDenMinus1, 8, "hor_phase_den_minus1");
xWriteCode((uint32_t)sei.m_verPhaseNum, 8, "ver_phase_num");
xWriteCode((uint32_t)sei.m_verPhaseDenMinus1, 8, "ver_phase_den_minus1");
}
void SEIWriter::xWriteSEIUserDataRegistered(const SEIUserDataRegistered &sei)
{
xWriteCode((sei.m_ituCountryCode>255) ? 0xff : sei.m_ituCountryCode, 8, "itu_t_t35_country_code");
if (sei.m_ituCountryCode >= 255)
{
assert(sei.m_ituCountryCode < 255 + 256);
xWriteCode(sei.m_ituCountryCode - 255, 8, "itu_t_t35_country_code_extension_byte");
}
for (uint32_t i = 0; i<sei.m_userData.size(); i++)
{
xWriteCode(sei.m_userData[i], 8, "itu_t_t35_payload_byte");
}
}
void SEIWriter::xWriteSEIFilmGrainCharacteristics(const SEIFilmGrainCharacteristics &sei)
{
xWriteFlag(sei.m_filmGrainCharacteristicsCancelFlag, "fg_characteristics_cancel_flag");
if (!sei.m_filmGrainCharacteristicsCancelFlag)
{
xWriteCode(sei.m_filmGrainModelId, 2, "fg_model_id");
xWriteFlag(sei.m_separateColourDescriptionPresentFlag, "fg_separate_colour_description_present_flag");
if (sei.m_separateColourDescriptionPresentFlag)
{
xWriteCode(sei.m_filmGrainBitDepthLumaMinus8, 3, "fg_bit_depth_luma_minus8");
xWriteCode(sei.m_filmGrainBitDepthChromaMinus8, 3, "fg_bit_depth_chroma_minus8");
xWriteFlag(sei.m_filmGrainFullRangeFlag, "fg_full_range_flag");
xWriteCode(sei.m_filmGrainColourPrimaries, 8, "fg_colour_primaries");
xWriteCode(sei.m_filmGrainTransferCharacteristics, 8, "fg_transfer_characteristics");
xWriteCode(sei.m_filmGrainMatrixCoeffs, 8, "fg_matrix_coeffs");
}
xWriteCode(sei.m_blendingModeId, 2, "fg_blending_mode_id");
xWriteCode(sei.m_log2ScaleFactor, 4, "fg_log2_scale_factor");
for (int c = 0; c<3; c++)
{
const SEIFilmGrainCharacteristics::CompModel &cm = sei.m_compModel[c];
const uint32_t numIntensityIntervals = (uint32_t) cm.numIntensityIntervals;
const uint32_t numModelValues = cm.numModelValues;
xWriteFlag(sei.m_compModel[c].presentFlag && numIntensityIntervals>0 && numModelValues>0, "fg_comp_model_present_flag[c]");
}
for (uint32_t c = 0; c<3; c++)
{
const SEIFilmGrainCharacteristics::CompModel &cm = sei.m_compModel[c]; const uint32_t numIntensityIntervals = (uint32_t) cm.numIntensityIntervals;
const uint32_t numModelValues = cm.numModelValues;
if (cm.presentFlag && numIntensityIntervals>0 && numModelValues>0)
{
assert(numIntensityIntervals <= 256);
assert(numModelValues <= 256);
xWriteCode(numIntensityIntervals - 1, 8, "fg_num_intensity_intervals_minus1[c]");
xWriteCode(numModelValues - 1, 3, "fg_num_model_values_minus1[c]");
for (uint32_t interval = 0; interval<numIntensityIntervals; interval++)
{
const SEIFilmGrainCharacteristics::CompModelIntensityValues &cmiv = cm.intensityValues[interval];
xWriteCode(cmiv.intensityIntervalLowerBound, 8, "fg_intensity_interval_lower_bound[c][i]");
xWriteCode(cmiv.intensityIntervalUpperBound, 8, "fg_intensity_interval_upper_bound[c][i]");
for (uint32_t j = 0; j<cm.numModelValues; j++)
{
xWriteSvlc(cmiv.compModelValue[j], "fg_comp_model_value[c][i]");
}
}
}
} // for c
xWriteFlag(sei.m_filmGrainCharacteristicsPersistenceFlag, "fg_characteristics_persistence_flag");
} // cancel flag
}
void SEIWriter::xWriteSEIContentLightLevelInfo(const SEIContentLightLevelInfo& sei)
{
xWriteCode( sei.m_maxContentLightLevel, 16, "clli_max_content_light_level" );
xWriteCode( sei.m_maxPicAverageLightLevel, 16, "clli_max_pic_average_light_level" );
}
void SEIWriter::xWriteSEIAmbientViewingEnvironment(const SEIAmbientViewingEnvironment& sei)
{
xWriteCode(sei.m_ambientIlluminance, 32, "ambient_illuminance" );
xWriteCode(sei.m_ambientLightX, 16, "ambient_light_x" );
xWriteCode(sei.m_ambientLightY, 16, "ambient_light_y" );
}
void SEIWriter::xWriteSEIContentColourVolume(const SEIContentColourVolume &sei)
{
xWriteFlag(sei.m_ccvCancelFlag, "ccv_cancel_flag");
if (!sei.m_ccvCancelFlag)
{
xWriteFlag(sei.m_ccvPersistenceFlag, "ccv_persistence_flag");
xWriteFlag(sei.m_ccvPrimariesPresentFlag, "ccv_primaries_present_flag");
xWriteFlag(sei.m_ccvMinLuminanceValuePresentFlag, "ccv_min_luminance_value_present_flag");
xWriteFlag(sei.m_ccvMaxLuminanceValuePresentFlag, "ccv_max_luminance_value_present_flag");
xWriteFlag(sei.m_ccvAvgLuminanceValuePresentFlag, "ccv_avg_luminance_value_present_flag");
if (sei.m_ccvPrimariesPresentFlag == true)
{
for (int i = 0; i < MAX_NUM_COMPONENT; i++)
{
xWriteSCode((int32_t)sei.m_ccvPrimariesX[i], 32, "ccv_primaries_x[i]");
xWriteSCode((int32_t)sei.m_ccvPrimariesY[i], 32, "ccv_primaries_y[i]");
}
}
if (sei.m_ccvMinLuminanceValuePresentFlag == true)
{
xWriteCode((uint32_t)sei.m_ccvMinLuminanceValue, 32, "ccv_min_luminance_value");
}
if (sei.m_ccvMaxLuminanceValuePresentFlag == true)
{
xWriteCode((uint32_t)sei.m_ccvMaxLuminanceValue, 32, "ccv_max_luminance_value");
}
if (sei.m_ccvAvgLuminanceValuePresentFlag == true)
{
xWriteCode((uint32_t)sei.m_ccvAvgLuminanceValue, 32, "ccv_avg_luminance_value");
}
}}
void SEIWriter::xWriteSEIColourTransformInfo(const SEIColourTransformInfo& sei)
{
bool colourTransformCancelFlag = 0;
bool colourTransformPersistenceFlag = 0;
xWriteUvlc(sei.m_id, "colour_transform_id");
xWriteFlag(colourTransformCancelFlag, "colour_transform_cancel_flag");
if (colourTransformCancelFlag == 0)
{
xWriteFlag(colourTransformPersistenceFlag, "colour_transform_persistence_flag");
xWriteFlag(sei.m_signalInfoFlag, "colour_transform_video_signal_info_present_flag");
if (sei.m_signalInfoFlag)
{
xWriteFlag(sei.m_fullRangeFlag, "colour_transform_full_range_flag");
xWriteCode(sei.m_primaries, 8, "colour_transform_primaries");
xWriteCode(sei.m_transferFunction, 8, "colour_transform_transfer_function");
xWriteCode(sei.m_matrixCoefs, 8, "colour_transform_matrix_coefficients");
}
xWriteCode(sei.m_bitdepth - 8, 4, "colour_transform_bit_depth_minus8");
xWriteCode(sei.m_log2NumberOfPointsPerLut - 1, 3, "colour_transform_log2_number_of_points_per_lut_minus1");
xWriteFlag(sei.m_crossComponentFlag, "colour_transform_cross_comp_flag");
if (sei.m_crossComponentFlag)
{
xWriteFlag(sei.m_crossComponentInferred, "colour_transform_cross_comp_inferred");
}
uint16_t lutCodingLength = 2 + sei.m_bitdepth - sei.m_log2NumberOfPointsPerLut;
for (uint32_t j = 0; j < sei.m_lut[0].numLutValues; j++)
{
xWriteCode(sei.m_lut[0].lutValues[j], lutCodingLength, "colour_transform_lut[0][i]");
}
if (sei.m_crossComponentFlag == 0 || sei.m_crossComponentInferred == 0)
{
xWriteFlag(sei.m_numberChromaLutMinus1, "colour_transform_number_chroma_lut_minus1");
for (uint32_t j = 0; j < sei.m_lut[1].numLutValues; j++)
{
xWriteCode(sei.m_lut[1].lutValues[j], lutCodingLength, "colour_transform_lut[1][i]");
}
if (sei.m_numberChromaLutMinus1 == 1)
{
for (uint32_t j = 0; j < sei.m_lut[2].numLutValues; j++)
{
xWriteCode(sei.m_lut[2].lutValues[j], lutCodingLength, "colour_transform_lut[2][i]");
}
}
}
else
{
xWriteCode(sei.m_chromaOffset, lutCodingLength, "colour_transform_chroma_offset");
}
}
}
void SEIWriter::xWriteSEIShutterInterval(const SEIShutterIntervalInfo &sei)
{
xWriteCode(sei.m_siiTimeScale, 32, "sii_time_scale");
xWriteFlag(sei.m_siiFixedSIwithinCLVS, "fixed_shutter_interval_within_clvs_flag");
if (sei.m_siiFixedSIwithinCLVS)
{
xWriteCode(sei.m_siiNumUnitsInShutterInterval, 32, "sii_num_units_in_shutter_interval");
}
else
{
xWriteCode(sei.m_siiMaxSubLayersMinus1, 3, "sii_max_sub_layers_minus1");
for (unsigned i = 0; i <= sei.m_siiMaxSubLayersMinus1; i++)
{ xWriteCode(sei.m_siiSubLayerNumUnitsInSI[i], 32, "sub_layer_num_units_in_shutter_interval[ i ]");
}
}
}
void SEIWriter::xWriteSEIProcessingOrder(const SEIProcessingOrderInfo &sei)
{
CHECK(sei.m_posPayloadType.size() < 2, "An SEI processing order SEI message shall contain at least two pairs sei_payloadType[i] and sei_processingOrder[i]");
for (uint32_t i = 0; i < sei.m_posPayloadType.size(); i++)
{
xWriteCode(sei.m_posPayloadType[i], 16, "po_sei_payload_type[i]");
if (sei.m_posPayloadType[i] == (uint16_t) SEI::PayloadType::USER_DATA_REGISTERED_ITU_T_T35)
{
xWriteCode((uint32_t)sei.m_posPrefixByte[i].size(), 8, "po_num_t35_byte[i]");
for (uint32_t j = 0; j < sei.m_posPrefixByte[i].size(); j++)
{
xWriteCode(sei.m_posPrefixByte[i][j], 8, "po_t35_byte[i][j]");
}
xWriteCode(sei.m_posProcessingOrder[i], 16, "po_sei_processing_order[i]");
}
}
}
void SEIWriter::xWriteSEIConstrainedRaslIndication(const SEIConstrainedRaslIndication& /*sei*/)
{
// intentionally empty
}
#if GREEN_METADATA_SEI_ENABLED
void SEIWriter::xWriteSEIGreenMetadataInfo(const SEIGreenMetadataInfo& sei)
{
xWriteCode(sei.m_greenMetadataType, 8, "green_metadata_type");
switch (sei.m_greenMetadataType)
{
case 0:
xWriteCode(sei.m_periodType,4, "period_type");
xWriteCode(sei.m_greenMetadataGranularityType,3, "granularity_type");
xWriteCode(sei.m_greenMetadataExtendedRepresentation,1, "extended_representation_flag");
if (sei.m_periodType == 2)
{
xWriteCode(sei.m_numSeconds, 16, "num_seconds");
}
else if (sei.m_periodType == 3)
{
xWriteCode(sei.m_numPictures, 16, "num_pictures");
}
if (sei.m_greenMetadataGranularityType == 0)
{
xWriteCode(sei.m_greenComplexityMetrics.portionNonZeroBlocksArea, 8, "portion_non_zero_blocks_area");
xWriteCode(sei.m_greenComplexityMetrics.portionNonZeroTransformCoefficientsArea, 8, "portion_non_zero_transform_coefficients_area");
xWriteCode(sei.m_greenComplexityMetrics.portionIntraPredictedBlocksArea, 8, "portion_intra_predicted_blocks_area");
xWriteCode(sei.m_greenComplexityMetrics.portionDeblockingInstances, 8, "portion_deblocking_instances");
xWriteCode(sei.m_greenComplexityMetrics.portionAlfInstances, 8, "portion_alf_instances");
if(sei.m_greenMetadataExtendedRepresentation == 1)
{
if(sei.m_greenComplexityMetrics.portionNonZeroBlocksArea != 0)
{
xWriteCode(sei.m_greenComplexityMetrics.portionNonZero_4_8_16BlocksArea, 8, "portion_non_zero_4_8_16_blocks_area");
xWriteCode(sei.m_greenComplexityMetrics.portionNonZero_32_64_128BlocksArea, 8, "portion_non_zero_32_64_128_blocks_area");
xWriteCode(sei.m_greenComplexityMetrics.portionNonZero_256_512_1024BlocksArea, 8, "portion_non_zero_256_512_1024_blocks_area");
xWriteCode(sei.m_greenComplexityMetrics.portionNonZero_2048_4096BlocksArea, 8, "portion_non_zero_2048_4096_blocks_area");
}
if(sei.m_greenComplexityMetrics.portionIntraPredictedBlocksArea < 255)
{ xWriteCode(sei.m_greenComplexityMetrics.portionBiAndGpmPredictedBlocksArea, 8,"portion_bi_and_gpm_predicted_blocks_area");
xWriteCode(sei.m_greenComplexityMetrics.portionBdofBlocksArea, 8,"portion_bdof_blocks_area");
}
xWriteCode(sei.m_greenComplexityMetrics.portionSaoInstances, 8, "portion_sao_instances");
}
}
break;
case 1:
int xsdSubpicNumberMinus1 = 0;
xWriteCode(xsdSubpicNumberMinus1, 16, "xsd_subpic_number_minus1");
for (int i = 0; i <= xsdSubpicNumberMinus1; i++)
{
int xsdMetricNumberMinus1 = -1;
xWriteCode(sei.m_xsdSubPicIdc, 16, "xsd_subpic_idc[i]");
std::vector <int> xsdMetricArray;
if (sei.m_xsdMetricTypePSNR)
{
xsdMetricNumberMinus1++;
xsdMetricArray.push_back(0);
}
if (sei.m_xsdMetricTypeSSIM)
{
xsdMetricNumberMinus1++;
xsdMetricArray.push_back(1);
}
if (sei.m_xsdMetricTypeWPSNR)
{
xsdMetricNumberMinus1++;
xsdMetricArray.push_back(2);
}
if (sei.m_xsdMetricTypeWSPSNR)
{
xsdMetricNumberMinus1++;
xsdMetricArray.push_back(3);
}
xWriteCode(xsdMetricNumberMinus1, 8, "xsd_metric_number_minus1[i]");
for (int j = 0; j <= xsdMetricNumberMinus1; j++)
{
if (xsdMetricArray[j] == 0)
{
xWriteCode(0, 8, "xsd_metric_type");
xWriteCode(sei.m_xsdMetricValuePSNR, 16, "xsd_metric_type[i][j]");
}
else if (xsdMetricArray[j] == 1)
{
xWriteCode(1, 8, "xsd_metric_type");
xWriteCode(sei.m_xsdMetricValueSSIM, 16, "xsd_metric_type[i][j]");
}
else if (xsdMetricArray[j] == 2)
{
xWriteCode(3, 8, "xsd_metric_type");
xWriteCode(sei.m_xsdMetricValueWPSNR, 16, "xsd_metric_type[i][j]");
}
else if (xsdMetricArray[j] == 3)
{
xWriteCode(4, 8, "xsd_metric_type");
xWriteCode(sei.m_xsdMetricValueWSPSNR, 16, "xsd_metric_type[i][j]");
}
}
}
break;
}
}
#endif
void SEIWriter::xWriteSEINeuralNetworkPostFilterCharacteristics(const SEINeuralNetworkPostFilterCharacteristics &sei)
{
xWriteCode(sei.m_purpose, 16, "nnpfc_purpose");
xWriteUvlc(sei.m_id, "nnpfc_id");
#if JVET_AD0056_MOVE_NNPFC_BASE_FLAG
xWriteFlag(sei.m_baseFlag, "nnpfc_base_flag");
#endif
xWriteUvlc(sei.m_modeIdc, "nnpfc_mode_idc");
if (sei.m_modeIdc == POST_FILTER_MODE::URI)
{
while (!isByteAligned())
{
xWriteFlag(0, "nnpfc_reserved_zero_bit");
}
xWriteString(sei.m_uriTag, "nnpfc_uri_tag");
xWriteString(sei.m_uri, "nnpfc_uri");
}
xWriteFlag(sei.m_propertyPresentFlag, "nnpfc_property_present_flag");
if (sei.m_propertyPresentFlag)
{
#if !JVET_AD0056_MOVE_NNPFC_BASE_FLAG
xWriteFlag(sei.m_baseFlag, "nnpfc_base_flag");
#endif
xWriteUvlc(sei.m_numberInputDecodedPicturesMinus1, "nnpfc_number_of_input_pictures_minus1");
#if JVET_AD0056_NNPFC_INPUT_PIC_OUTPUT_FLAG
if (sei.m_numberInputDecodedPicturesMinus1 > 0)
{
for (int i = 0; i <= sei.m_numberInputDecodedPicturesMinus1; ++i)
{
xWriteFlag(sei.m_inputPicOutputFlag[i], "nnpfc_input_pic_output_flag");
}
#if JVET_AD0054_NNPFC_ABSENT_INPUT_PIC_ZERO_FLAG
xWriteFlag(sei.m_absentInputPicZeroFlag, "nnpfc_absent_input_pic_zero_flag");
#endif
}
#endif
if((sei.m_purpose & NNPC_PurposeType::CHROMA_UPSAMPLING) != 0)
{
xWriteFlag(sei.m_outSubCFlag, "nnpfc_out_sub_c_flag");
}
if((sei.m_purpose & NNPC_PurposeType::COLOURIZATION) != 0)
{
xWriteCode(uint32_t(sei.m_outColourFormatIdc), 2, "nnpfc_out_colour_format_idc");
}
if((sei.m_purpose & NNPC_PurposeType::RESOLUTION_UPSAMPLING) != 0)
{
#if JVET_AD0383_SCALING_RATIO_OUTPUT_SIZE
xWriteUvlc(sei.m_picWidthNumeratorMinus1, "nnpfc_pic_width_num_minus1");
xWriteUvlc(sei.m_picWidthDenominatorMinus1, "nnpfc_pic_width_denom_minus1");
xWriteUvlc(sei.m_picHeightNumeratorMinus1, "nnpfc_pic_height_num_minus1");
xWriteUvlc(sei.m_picHeightDenominatorMinus1, "nnpfc_pic_height_denom_minus1");
#else
xWriteUvlc(sei.m_picWidthInLumaSamples, "nnpfc_pic_width_in_luma_samples");
xWriteUvlc(sei.m_picHeightInLumaSamples, "nnpfc_pic_height_in_luma_samples");
#endif
}
if((sei.m_purpose & NNPC_PurposeType::FRAME_RATE_UPSAMPLING) != 0)
{
for (int i = 0; i < sei.m_numberInputDecodedPicturesMinus1; ++i)
{
xWriteUvlc(sei.m_numberInterpolatedPictures[i], "nnpfc_interpolated_pictures");
}
#if !JVET_AD0056_NNPFC_INPUT_PIC_OUTPUT_FLAG
for (int i = 0; i <= sei.m_numberInputDecodedPicturesMinus1; ++i)
{
xWriteFlag(sei.m_inputPicOutputFlag[i], "nnpfc_input_pic_output_flag"); }
#endif
}
xWriteFlag(sei.m_componentLastFlag, "nnpfc_component_last_flag");
xWriteUvlc(sei.m_inpFormatIdc, "nnpfc_inp_format_idc");
#if JVET_AD0056_MOVE_NNPFC_INP_AND_OUT_ORDER_IDC
xWriteUvlc(sei.m_auxInpIdc, "nnpfc_auxiliary_inp_idc");
xWriteUvlc(sei.m_inpOrderIdc, "nnpfc_inp_order_idc");
#endif
if (sei.m_inpFormatIdc == 1)
{
#if JVET_AD0056_MOVE_NNPFC_INP_AND_OUT_ORDER_IDC
if (sei.m_inpOrderIdc != 1)
{
xWriteUvlc(sei.m_inpTensorBitDepthLumaMinus8, "nnpfc_inp_tensor_luma_bitdepth_minus8");
}
if (sei.m_inpOrderIdc != 0)
{
xWriteUvlc(sei.m_inpTensorBitDepthChromaMinus8, "nnpfc_inp_tensor_chroma_bitdepth_minus8");
}
#else
xWriteUvlc(sei.m_inpTensorBitDepthLumaMinus8, "nnpfc_inp_tensor_bitdepth_luma_minus8");
xWriteUvlc(sei.m_inpTensorBitDepthChromaMinus8, "nnpfc_inp_tensor_bitdepth_chroma_minus8");
#endif
}
#if !JVET_AD0056_MOVE_NNPFC_INP_AND_OUT_ORDER_IDC
#if JVET_AD0067_SWAP_SYNTAX
xWriteUvlc(sei.m_auxInpIdc, "nnpfc_aux_inp_idc");
xWriteUvlc(sei.m_inpOrderIdc, "nnpfc_inp_order_idc");
#else
xWriteUvlc(sei.m_inpOrderIdc, "nnpfc_inp_order_idc");
xWriteUvlc(sei.m_auxInpIdc, "nnpfc_aux_inp_idc");
#endif
#endif
#if !JVET_AD0056_MOVE_COLOUR_DESC_FLAG
xWriteFlag(sei.m_sepColDescriptionFlag, "nnpfc_sep_col_desc_flag");
if (sei.m_sepColDescriptionFlag)
{
xWriteCode(sei.m_colPrimaries, 8, "nnpfc_col_primaries");
xWriteCode(sei.m_transCharacteristics, 8, "nnpfc_trans_characteristics");
xWriteCode(sei.m_matrixCoeffs, 8, "nnpfc_matrix_coeffs");
}
#endif
xWriteUvlc(sei.m_outFormatIdc, "nnpfc_out_format_idc");
#if JVET_AD0056_MOVE_NNPFC_INP_AND_OUT_ORDER_IDC
xWriteUvlc(sei.m_outOrderIdc, "nnpfc_out_order_idc");
#endif
if (sei.m_outFormatIdc == 1)
{
#if JVET_AD0056_MOVE_NNPFC_INP_AND_OUT_ORDER_IDC
if (sei.m_outOrderIdc != 1)
{
xWriteUvlc(sei.m_outTensorBitDepthLumaMinus8, "nnpfc_out_tensor_luma_bitdepth_minus8");
}
if (sei.m_outOrderIdc != 0)
{
xWriteUvlc(sei.m_outTensorBitDepthChromaMinus8, "nnpfc_out_tensor_chroma_bitdepth_minus8");
}
#else
xWriteUvlc(sei.m_outTensorBitDepthLumaMinus8, "nnpfc_out_tensor_bitdepth_luma_minus8");
xWriteUvlc(sei.m_outTensorBitDepthChromaMinus8, "nnpfc_out_tensor_bitdepth_chroma_minus8");
#endif
}
#if JVET_AD0056_MOVE_COLOUR_DESC_FLAG
xWriteFlag(sei.m_sepColDescriptionFlag, "nnpfc_sep_col_desc_flag");
if (sei.m_sepColDescriptionFlag) {
xWriteCode(sei.m_colPrimaries, 8, "nnpfc_col_primaries");
xWriteCode(sei.m_transCharacteristics, 8, "nnpfc_trans_characteristics");
if (sei.m_outFormatIdc == 1)
{
xWriteCode(sei.m_matrixCoeffs, 8, "nnpfc_matrix_coeffs");
}
}
#endif
#if JVET_AD0067_INCLUDE_SYNTAX
if (sei.m_sepColDescriptionFlag && (sei.m_outFormatIdc == 1))
{
xWriteFlag(sei.m_fullRangeFlag, "nnpfc_full_range_flag");
}
#endif
#if !JVET_AD0056_MOVE_NNPFC_INP_AND_OUT_ORDER_IDC
xWriteUvlc(sei.m_outOrderIdc, "nnpfc_out_order_idc");
#endif
xWriteUvlc(sei.m_overlap, "nnpfc_overlap");
xWriteFlag(sei.m_constantPatchSizeFlag, "nnpfc_constant_patch_size_flag");
if (sei.m_constantPatchSizeFlag)
{
xWriteUvlc(sei.m_patchWidthMinus1, "nnpfc_patch_width_minus1");
xWriteUvlc(sei.m_patchHeightMinus1, "nnpfc_patch_height_minus1");
}
else
{
xWriteUvlc(sei.m_extendedPatchWidthCdDeltaMinus1, "extended_nnpfc_patch_width_cd_delta_minus1");
xWriteUvlc(sei.m_extendedPatchHeightCdDeltaMinus1, "extended_nnpfc_patch_height_cd_delta_minus1");
}
xWriteUvlc(sei.m_paddingType, "nnpfc_padding_type");
if (sei.m_paddingType == NNPC_PaddingType::FIXED_PADDING)
{
#if JVET_AD0056_NNPFC_PADDING_SYNTAX_CONDITION
if (sei.m_inpOrderIdc != 1)
{
xWriteUvlc(sei.m_lumaPadding, "nnpfc_luma_padding_val");
}
if (sei.m_inpOrderIdc != 0)
{
xWriteUvlc(sei.m_cbPadding, "nnpfc_cb_padding_val");
xWriteUvlc(sei.m_crPadding, "nnpfc_cr_padding_val");
}
#else
xWriteUvlc(sei.m_lumaPadding, "nnpfc_luma_padding_val");
xWriteUvlc(sei.m_cbPadding, "nnpfc_cb_padding_val");
xWriteUvlc(sei.m_crPadding, "nnpfc_cr_padding_val");
#endif
}
xWriteFlag(sei.m_complexityInfoPresentFlag, "nnpfc_complexity_info_present_flag");
if (sei.m_complexityInfoPresentFlag)
{
xWriteCode(sei.m_parameterTypeIdc, 2, "nnpfc_parameter_type_idc");
if (sei.m_parameterTypeIdc != 2)
{
xWriteCode(sei.m_log2ParameterBitLengthMinus3, 2, "nnpfc_log2_parameter_bit_length_minus3");
}
xWriteCode(sei.m_numParametersIdc, 6, "nnpfc_num_parameters_idc");
xWriteUvlc(sei.m_numKmacOperationsIdc, "nnpfc_num_kmac_operations_idc");
xWriteUvlc(sei.m_totalKilobyteSize, "nnpfc_total_kilobyte_size");
}
#if JVET_AD0056_NNPFC_METADATA_EXTENSION
xWriteUvlc(0, "nnpfc_metadata_extension_num_bits"); // nnpfc_metadata_extension_num_bits shall be equal to 0 in the current edition
#endif
}
if (sei.m_modeIdc == POST_FILTER_MODE::ISO_IEC_15938_17)
{ while (!isByteAligned())
{
xWriteFlag(0, "nnpfc_reserved_zero_bit");
}
for (long i = 0; i < sei.m_payloadLength; i++)
{
xWriteSCode(sei.m_payloadByte[i], 8, "nnpfc_payload_byte[i]");
}
}
}
void SEIWriter::xWriteSEINeuralNetworkPostFilterActivation(const SEINeuralNetworkPostFilterActivation &sei)
{
xWriteUvlc(sei.m_targetId, "nnpfa_target_id");
xWriteFlag(sei.m_cancelFlag, "nnpfa_cancel_flag");
if(!sei.m_cancelFlag)
{
xWriteFlag(sei.m_persistenceFlag, "nnpfa_persistence_flag");
}
}
void SEIWriter::xWriteSEIPostFilterHint(const SEIPostFilterHint &sei)
{
xWriteFlag(sei.m_filterHintCancelFlag, "filter_hint_cancel_flag");
if (sei.m_filterHintCancelFlag == false)
{
xWriteFlag(sei.m_filterHintPersistenceFlag, "filter_hint_persistence_flag");
xWriteUvlc(sei.m_filterHintSizeY, "filter_hint_size_y");
xWriteUvlc(sei.m_filterHintSizeX, "filter_hint_size_x");
xWriteCode(sei.m_filterHintType, 2, "filter_hint_type");
xWriteFlag(sei.m_filterHintChromaCoeffPresentFlag, "filter_hint_chroma_coeff_present_flag");
CHECK(!(sei.m_filterHintValues.size() == ((sei.m_filterHintChromaCoeffPresentFlag ? 3 : 1) * sei.m_filterHintSizeX * sei.m_filterHintSizeY)), "The number of filter coefficient shall match the matrix size and considering whether filters for chroma is present of not");
for (uint32_t i = 0; i < sei.m_filterHintValues.size(); i++)
{
xWriteSvlc(sei.m_filterHintValues[i], "filter_hint_value[][][]");
}
}
}
//! \}