/* 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)
{
const SEIBufferingPeriod *bp = NULL;
switch (sei.payloadType())
{
case SEI::USER_DATA_UNREGISTERED:
xWriteSEIuserDataUnregistered(*static_cast<const SEIuserDataUnregistered*>(&sei));
break;
case SEI::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::SCALABLE_NESTING:
xWriteSEIScalableNesting(bs, *static_cast<const SEIScalableNesting*>(&sei));
break;
case SEI::DECODED_PICTURE_HASH:
xWriteSEIDecodedPictureHash(*static_cast<const SEIDecodedPictureHash*>(&sei));
break;
case SEI::BUFFERING_PERIOD:
xWriteSEIBufferingPeriod(*static_cast<const SEIBufferingPeriod*>(&sei));
hrd.setBufferingPeriodSEI(static_cast<const SEIBufferingPeriod*>(&sei));
break;
case SEI::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::FRAME_FIELD_INFO:
xWriteSEIFrameFieldInfo(*static_cast<const SEIFrameFieldInfo*>(&sei));
break;
case SEI::DEPENDENT_RAP_INDICATION:
xWriteSEIDependentRAPIndication(*static_cast<const SEIDependentRAPIndication*>(&sei));
break;
case SEI::FRAME_PACKING:
xWriteSEIFramePacking(*static_cast<const SEIFramePacking*>(&sei));
break;
case SEI::PARAMETER_SETS_INCLUSION_INDICATION:
xWriteSEIParameterSetsInclusionIndication(*static_cast<const SEIParameterSetsInclusionIndication*>(&sei));
break;
case SEI::MASTERING_DISPLAY_COLOUR_VOLUME:
xWriteSEIMasteringDisplayColourVolume(*static_cast<const SEIMasteringDisplayColourVolume*>(&sei));
break;
#if U0033_ALTERNATIVE_TRANSFER_CHARACTERISTICS_SEI
case SEI::ALTERNATIVE_TRANSFER_CHARACTERISTICS:
xWriteSEIAlternativeTransferCharacteristics(*static_cast<const SEIAlternativeTransferCharacteristics*>(&sei));
break;
#endif
case SEI::EQUIRECTANGULAR_PROJECTION:
xWriteSEIEquirectangularProjection(*static_cast<const SEIEquirectangularProjection*>(&sei));
break;
case SEI::SPHERE_ROTATION:
xWriteSEISphereRotation(*static_cast<const SEISphereRotation*>(&sei));
break;
case SEI::OMNI_VIEWPORT:
xWriteSEIOmniViewport(*static_cast<const SEIOmniViewport*>(&sei));
break;
case SEI::REGION_WISE_PACKING:
xWriteSEIRegionWisePacking(*static_cast<const SEIRegionWisePacking*>(&sei));
break;
case SEI::GENERALIZED_CUBEMAP_PROJECTION:
xWriteSEIGeneralizedCubemapProjection(*static_cast<const SEIGeneralizedCubemapProjection*>(&sei));
break;
case SEI::USER_DATA_REGISTERED_ITU_T_T35:
xWriteSEIUserDataRegistered(*static_cast<const SEIUserDataRegistered*>(&sei));
break;
case SEI::FILM_GRAIN_CHARACTERISTICS:
xWriteSEIFilmGrainCharacteristics(*static_cast<const SEIFilmGrainCharacteristics*>(&sei));
break;
case SEI::CONTENT_LIGHT_LEVEL_INFO:
xWriteSEIContentLightLevelInfo(*static_cast<const SEIContentLightLevelInfo*>(&sei));
break;
case SEI::AMBIENT_VIEWING_ENVIRONMENT:
xWriteSEIAmbientViewingEnvironment(*static_cast<const SEIAmbientViewingEnvironment*>(&sei));
break;
case SEI::CONTENT_COLOUR_VOLUME:
xWriteSEIContentColourVolume(*static_cast<const SEIContentColourVolume*>(&sei));
break;
case SEI::SUBPICTURE_LEVEL_INFO:
xWriteSEISubpictureLevelInfo(*static_cast<const SEISubpicureLevelInfo*>(&sei));
break;
case SEI::SAMPLE_ASPECT_RATIO_INFO:
xWriteSEISampleAspectRatioInfo(*static_cast<const SEISampleAspectRatioInfo*>(&sei));
break;
default:
THROW("Trying to write unhandled SEI message");
break;
}
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 = (*sei)->payloadType();
for (; payloadType >= 0xff; payloadType -= 0xff)
{
WRITE_CODE(0xff, 8, "payload_type");
}
WRITE_CODE(payloadType, 8, "payload_type");
uint32_t payloadSize = payload_data_num_bits/8;
for (; payloadSize >= 0xff; payloadSize -= 0xff)
{
WRITE_CODE(0xff, 8, "payload_size");
}
WRITE_CODE(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++)
{
WRITE_CODE(sei.uuid_iso_iec_11578[i], 8 , "sei.uuid_iso_iec_11578[i]");
}
for (uint32_t i = 0; i < sei.userDataLength; i++)
{
WRITE_CODE(sei.userData[i], 8 , "user_data");
}
}
/**
* 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
{
WRITE_CODE(sei.method, 8, "hash_type");
for(uint32_t i=0; i<uint32_t(sei.m_pictureHash.hash.size()); i++)
{
WRITE_CODE(sei.m_pictureHash.hash[i], 8, traceString);
}
}
}
void SEIWriter::xWriteSEIDecodingUnitInfo(const SEIDecodingUnitInfo& sei, const SEIBufferingPeriod& bp, const uint32_t temporalId)
{
WRITE_UVLC(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)
{
WRITE_FLAG(sei.m_duiSubLayerDelaysPresentFlag[i], "dui_sub_layer_delays_present_flag[i]");
}
if( sei.m_duiSubLayerDelaysPresentFlag[i] )
WRITE_CODE( sei.m_duSptCpbRemovalDelayIncrement[i], bp.getDuCpbRemovalDelayIncrementLength(), "du_spt_cpb_removal_delay_increment[i]");
}
}
if (bp.m_decodingUnitDpbDuParamsInPicTimingSeiFlag)
{
WRITE_FLAG(sei.m_dpbOutputDuDelayPresentFlag, "dpb_output_du_delay_present_flag");
}
if(sei.m_dpbOutputDuDelayPresentFlag)
{
WRITE_CODE(sei.m_picSptDpbOutputDuDelay, bp.getDpbOutputDelayDuLength(), "pic_spt_dpb_output_du_delay");
}
}
void SEIWriter::xWriteSEIBufferingPeriod(const SEIBufferingPeriod& sei)
{
WRITE_FLAG( sei.m_bpNalCpbParamsPresentFlag, "bp_nal_hrd_parameters_present_flag");
WRITE_FLAG( 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");
WRITE_CODE( sei.m_initialCpbRemovalDelayLength - 1, 5, "initial_cpb_removal_delay_length_minus1" );
CHECK (sei.m_cpbRemovalDelayLength < 1, "sei.m_cpbRemovalDelayLength must be > 0");
WRITE_CODE( sei.m_cpbRemovalDelayLength - 1, 5, "cpb_removal_delay_length_minus1" );
CHECK (sei.m_dpbOutputDelayLength < 1, "sei.m_dpbOutputDelayLength must be > 0");
WRITE_CODE( sei.m_dpbOutputDelayLength - 1, 5, "dpb_output_delay_length_minus1" );
#if !JVET_S0185_PROPOSAL2_SEI_CLEANUP
WRITE_FLAG(sei.m_altCpbParamsPresentFlag, "alt_cpb_params_present_flag");
#endif
WRITE_FLAG( 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");
WRITE_CODE( sei.m_duCpbRemovalDelayIncrementLength - 1, 5, "du_cpb_removal_delay_increment_length_minus1" );
CHECK (sei.m_dpbOutputDelayDuLength < 1, "sei.m_dpbOutputDelayDuLength must be > 0");
WRITE_CODE( sei.m_dpbOutputDelayDuLength - 1, 5, "dpb_output_delay_du_length_minus1" );
WRITE_FLAG( sei.m_decodingUnitCpbParamsInPicTimingSeiFlag, "decoding_unit_cpb_params_in_pic_timing_sei_flag" );
WRITE_FLAG(sei.m_decodingUnitDpbDuParamsInPicTimingSeiFlag, "decoding_unit_dpb_du_params_in_pic_timing_sei_flag");
}
WRITE_FLAG( sei.m_concatenationFlag, "concatenation_flag");
WRITE_FLAG( sei.m_additionalConcatenationInfoPresentFlag, "additional_concatenation_info_present_flag");
if (sei.m_additionalConcatenationInfoPresentFlag)
{
WRITE_CODE( sei.m_maxInitialRemovalDelayForConcatenation, sei.m_initialCpbRemovalDelayLength, "max_initial_removal_delay_for_concatenation" );
}
CHECK (sei.m_auCpbRemovalDelayDelta < 1, "sei.m_auCpbRemovalDelayDelta must be > 0");
WRITE_CODE( sei.m_auCpbRemovalDelayDelta - 1, sei.m_cpbRemovalDelayLength, "au_cpb_removal_delay_delta_minus1" );
#if JVET_S0181_PROPOSAL2_BUFFERING_PERIOD_CLEANUP
CHECK(sei.m_bpMaxSubLayers < 1, "bp_max_sub_layers_minus1 must be > 0");
WRITE_CODE(sei.m_bpMaxSubLayers - 1, 3, "bp_max_sub_layers_minus1");
if (sei.m_bpMaxSubLayers - 1 > 0)
{
WRITE_FLAG(sei.m_cpbRemovalDelayDeltasPresentFlag, "cpb_removal_delay_deltas_present_flag");
}
#else
WRITE_FLAG(sei.m_cpbRemovalDelayDeltasPresentFlag, "cpb_removal_delay_deltas_present_flag");
#endif
if (sei.m_cpbRemovalDelayDeltasPresentFlag)
{
CHECK (sei.m_numCpbRemovalDelayDeltas < 1, "m_numCpbRemovalDelayDeltas must be > 0");
WRITE_UVLC( sei.m_numCpbRemovalDelayDeltas - 1, "num_cpb_removal_delay_deltas_minus1" );
for( int i = 0; i < sei.m_numCpbRemovalDelayDeltas; i ++ )
{
WRITE_CODE( sei.m_cpbRemovalDelayDelta[i], sei.m_cpbRemovalDelayLength, "cpb_removal_delay_delta[i]" );
}
#if !JVET_S0181_PROPOSAL2_BUFFERING_PERIOD_CLEANUP
CHECK (sei.m_bpMaxSubLayers < 1, "bp_max_sub_layers_minus1 must be > 0");
WRITE_CODE( sei.m_bpMaxSubLayers - 1, 3, "bp_max_sub_layers_minus1" );
#endif
}
CHECK (sei.m_bpCpbCnt < 1, "sei.m_bpCpbCnt must be > 0");
WRITE_UVLC( sei.m_bpCpbCnt - 1, "bp_cpb_cnt_minus1");
#if JVET_S0181_PROPOSAL1
if (sei.m_bpMaxSubLayers - 1 > 0)
{
WRITE_FLAG(sei.m_sublayerInitialCpbRemovalDelayPresentFlag, "bp_sublayer_initial_cpb_removal_delay_present_flag");
}
#else
WRITE_FLAG(sei.m_sublayerInitialCpbRemovalDelayPresentFlag, "sublayer_initial_cpb_removal_delay_present_flag");
#endif
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 ++ )
{
WRITE_CODE( sei.m_initialCpbRemovalDelay[j][i][nalOrVcl], sei.m_initialCpbRemovalDelayLength, "initial_cpb_removal_delay[j][i][nalOrVcl]" );
WRITE_CODE( sei.m_initialCpbRemovalOffset[j][i][nalOrVcl], sei.m_initialCpbRemovalDelayLength, "initial_cpb_removal_delay_offset[j][i][nalOrVcl]" );
}
}
}
}
#if JVET_S0064_SEI_BUFFERING_PERIOD_CLEANUP
if (sei.m_bpMaxSubLayers-1 > 0)
{
WRITE_FLAG(sei.m_sublayerDpbOutputOffsetsPresentFlag, "bp_sublayer_dpb_output_offsets_present_flag");
}
#else
WRITE_FLAG(sei.m_sublayerDpbOutputOffsetsPresentFlag, "sublayer_dpb_output_offsets_present_flag");
#endif
if(sei.m_sublayerDpbOutputOffsetsPresentFlag)
{
for(int i = 0; i < sei.m_bpMaxSubLayers - 1; i++)
{
WRITE_UVLC( sei.m_dpbOutputTidOffset[i], "dpb_output_tid_offset[i]" );
}
}
#if JVET_S0185_PROPOSAL2_SEI_CLEANUP
WRITE_FLAG(sei.m_altCpbParamsPresentFlag, "bp_alt_cpb_params_present_flag");
#endif
if (sei.m_altCpbParamsPresentFlag)
{
WRITE_FLAG(sei.m_useAltCpbParamsFlag, "use_alt_cpb_params_flag");
}
}
void SEIWriter::xWriteSEIPictureTiming(const SEIPictureTiming& sei, const SEIBufferingPeriod &bp, const uint32_t temporalId)
{
#if JVET_S0185_PROPOSAl1_PICTURE_TIMING_CLEANUP
WRITE_CODE( 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++)
{
WRITE_FLAG(sei.m_ptSubLayerDelaysPresentFlag[i], "pt_sub_layer_delays_present_flag[i]");
if (sei.m_ptSubLayerDelaysPresentFlag[i])
{
if (bp.m_cpbRemovalDelayDeltasPresentFlag)
{
WRITE_FLAG(sei.m_cpbRemovalDelayDeltaEnabledFlag[i], "pt_cpb_removal_delay_delta_enabled_flag[i]");
}
if (sei.m_cpbRemovalDelayDeltaEnabledFlag[i])
{
if ((bp.m_numCpbRemovalDelayDeltas - 1) > 0)
{
WRITE_CODE(sei.m_cpbRemovalDelayDeltaIdx[i], ceilLog2(bp.m_numCpbRemovalDelayDeltas), "pt_cpb_removal_delay_delta_idx[i]");
}
}
else
{
WRITE_CODE(sei.m_auCpbRemovalDelay[i] - 1, bp.m_cpbRemovalDelayLength, "pt_cpb_removal_delay_minus1[i]");
}
}
}
WRITE_CODE(sei.m_picDpbOutputDelay, bp.m_dpbOutputDelayLength, "pt_dpb_output_delay");
#else
WRITE_CODE( sei.m_auCpbRemovalDelay[bp.m_bpMaxSubLayers - 1] - 1, bp.m_cpbRemovalDelayLength, "cpb_removal_delay_minus1[bp_max_sub_layers_minus1]" );
#endif
if( bp.m_altCpbParamsPresentFlag )
{
WRITE_FLAG( 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++)
{
WRITE_CODE(sei.m_nalCpbAltInitialRemovalDelayDelta[i][j], bp.m_initialCpbRemovalDelayLength,
"nal_cpb_alt_initial_cpb_removal_delay_delta[ i ][ j ]");
WRITE_CODE(sei.m_nalCpbAltInitialRemovalOffsetDelta[i][j], bp.m_initialCpbRemovalDelayLength,
"nal_cpb_alt_initial_cpb_removal_offset_delta[ i ][ j ]");
}
WRITE_CODE(sei.m_nalCpbDelayOffset[i], bp.m_cpbRemovalDelayLength, "nal_cpb_delay_offset[ i ]");
WRITE_CODE(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++)
{
WRITE_CODE(sei.m_vclCpbAltInitialRemovalDelayDelta[i][j], bp.m_initialCpbRemovalDelayLength,
"vcl_cpb_alt_initial_cpb_removal_delay_delta[ i ][ j ]");
WRITE_CODE(sei.m_vclCpbAltInitialRemovalOffsetDelta[i][j], bp.m_initialCpbRemovalDelayLength,
"vcl_cpb_alt_initial_cpb_removal_offset_delta[ i ][ j ]");
}
WRITE_CODE(sei.m_vclCpbDelayOffset[i], bp.m_cpbRemovalDelayLength, "vcl_cpb_delay_offset[ i ]");
WRITE_CODE(sei.m_vclDpbDelayOffset[i], bp.m_dpbOutputDelayLength, "vcl_dpb_delay_offset[ i ]");
}
}
}
}
#if !JVET_S0185_PROPOSAl1_PICTURE_TIMING_CLEANUP
for( int i = temporalId; i < bp.m_bpMaxSubLayers - 1; i ++ )
{
WRITE_FLAG( sei.m_ptSubLayerDelaysPresentFlag[i], "pt_sub_layer_delays_present_flag[i]" );
if( sei.m_ptSubLayerDelaysPresentFlag[i] )
{
if (bp.m_cpbRemovalDelayDeltasPresentFlag)
{
WRITE_FLAG(sei.m_cpbRemovalDelayDeltaEnabledFlag[i], "cpb_removal_delay_delta_enabled_flag[i]");
}
if( sei.m_cpbRemovalDelayDeltaEnabledFlag[i] )
{
if ((bp.m_numCpbRemovalDelayDeltas - 1) > 0)
{
WRITE_CODE(sei.m_cpbRemovalDelayDeltaIdx[i], ceilLog2(bp.m_numCpbRemovalDelayDeltas), "cpb_removal_delay_delta_idx[i]");
}
}
else
{
WRITE_CODE( sei.m_auCpbRemovalDelay[i] - 1, bp.m_cpbRemovalDelayLength, "cpb_removal_delay_minus1[i]" );
}
}
}
WRITE_CODE( sei.m_picDpbOutputDelay, bp.m_dpbOutputDelayLength, "dpb_output_delay" );
#endif
if (bp.m_bpDecodingUnitHrdParamsPresentFlag && bp.m_decodingUnitDpbDuParamsInPicTimingSeiFlag)
{
WRITE_CODE( sei.m_picDpbOutputDuDelay, bp.m_dpbOutputDelayDuLength, "pic_dpb_output_du_delay" );
}
if( bp.m_bpDecodingUnitHrdParamsPresentFlag && bp.m_decodingUnitCpbParamsInPicTimingSeiFlag )
{
WRITE_UVLC( sei.m_numDecodingUnitsMinus1, "num_decoding_units_minus1" );
if (sei.m_numDecodingUnitsMinus1 > 0)
{
WRITE_FLAG( 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] )
WRITE_CODE( sei.m_duCommonCpbRemovalDelayMinus1[i], bp.m_duCpbRemovalDelayIncrementLength, "du_common_cpb_removal_delay_increment_minus1[i]" );
}
}
for( int i = 0; i <= sei.m_numDecodingUnitsMinus1; i ++ )
{
WRITE_UVLC( 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] )
WRITE_CODE( sei.m_duCpbRemovalDelayMinus1[i * bp.m_bpMaxSubLayers + j], bp.m_duCpbRemovalDelayIncrementLength, "du_cpb_removal_delay_increment_minus1[i][j]" );
}
}
}
}
}
WRITE_UVLC( sei.m_ptDisplayElementalPeriodsMinus1, "pt_display_elemental_periods_minus1" );
}
void SEIWriter::xWriteSEIFrameFieldInfo(const SEIFrameFieldInfo& sei)
{
WRITE_FLAG( sei.m_fieldPicFlag ? 1 : 0, "field_pic_flag" );
if (sei.m_fieldPicFlag)
{
WRITE_FLAG( sei.m_bottomFieldFlag ? 1 : 0, "bottom_field_flag" );
WRITE_FLAG( sei.m_pairingIndicatedFlag ? 1 : 0, "pairing_indicated_flag" );
if (sei.m_pairingIndicatedFlag)
{
WRITE_FLAG( sei.m_pairedWithNextFieldFlag ? 1 : 0, "paired_with_next_field_flag" );
}
}
else
{
WRITE_FLAG( sei.m_displayFieldsFromFrameFlag ? 1 : 0, "display_fields_from_frame_flag" );
if (sei.m_displayFieldsFromFrameFlag)
{
WRITE_FLAG( sei.m_topFieldFirstFlag ? 1 : 0, "display_fields_from_frame_flag" );
}
WRITE_UVLC( sei.m_displayElementalPeriodsMinus1, "display_elemental_periods_minus1" );
}
WRITE_CODE( sei.m_sourceScanType, 2, "source_scan_type" );
WRITE_FLAG( sei.m_duplicateFlag ? 1 : 0, "duplicate_flag" );
}
void SEIWriter::xWriteSEIDependentRAPIndication(const SEIDependentRAPIndication& /*sei*/)
{
// intentionally empty
}
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.")
WRITE_FLAG(sei.m_snOlsFlag, "sn_ols_flag");
WRITE_FLAG(sei.m_snSubpicFlag, "sn_subpic_flag");
if (sei.m_snOlsFlag)
{
WRITE_UVLC(sei.m_snNumOlssMinus1, "sn_num_olss_minus1");
for (uint32_t i = 0; i <= sei.m_snNumOlssMinus1; i++)
{
WRITE_UVLC(sei.m_snOlsIdxDeltaMinus1[i], "sn_ols_idx_delta_minus1[i]");
}
}
else
{
WRITE_FLAG(sei.m_snAllLayersFlag, "sn_all_layers_flag");
if (!sei.m_snAllLayersFlag)
{
WRITE_UVLC(sei.m_snNumLayersMinus1, "sn_num_layers");
for (uint32_t i = 0; i <= sei.m_snNumLayersMinus1; i++)
{
WRITE_CODE(sei.m_snLayerId[i], 6, "sn_layer_id");
}
}
}
if (sei.m_snSubpicFlag)
{
WRITE_UVLC( sei.m_snNumSubpics - 1, "sn_num_subpics_minus1");
CHECK(sei.m_snSubpicIdLen < 1, "sn_subpic_id_len_minus1 must be >= 0");
WRITE_UVLC( sei.m_snSubpicIdLen - 1, "sn_subpic_id_len_minus1");
for (uint32_t i = 0; i < sei.m_snNumSubpics; i++)
{
WRITE_CODE(sei.m_snSubpicId[i], sei.m_snSubpicIdLen, "sn_subpic_id[i]");
}
}
WRITE_UVLC( (uint32_t)sei.m_nestedSEIs.size() - 1, "sn_num_seis_minus1");
// byte alignment
while (m_pcBitIf->getNumberOfWrittenBits() % 8 != 0)
{
WRITE_FLAG(0, "sn_zero_bit");
}
SEIMessages bufferingPeriod = getSeisByType(sei.m_nestedSEIs, SEI::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)
{
WRITE_UVLC( sei.m_arrangementId, "frame_packing_arrangement_id" );
WRITE_FLAG( sei.m_arrangementCancelFlag, "frame_packing_arrangement_cancel_flag" );
if( sei.m_arrangementCancelFlag == 0 )
{
WRITE_CODE( sei.m_arrangementType, 7, "frame_packing_arrangement_type" );
WRITE_FLAG( sei.m_quincunxSamplingFlag, "quincunx_sampling_flag" );
WRITE_CODE( sei.m_contentInterpretationType, 6, "content_interpretation_type" );
WRITE_FLAG( sei.m_spatialFlippingFlag, "spatial_flipping_flag" );
WRITE_FLAG( sei.m_frame0FlippedFlag, "frame0_flipped_flag" );
WRITE_FLAG( sei.m_fieldViewsFlag, "field_views_flag" );
WRITE_FLAG( sei.m_currentFrameIsFrame0Flag, "current_frame_is_frame0_flag" );
WRITE_FLAG( sei.m_frame0SelfContainedFlag, "frame0_self_contained_flag" );
WRITE_FLAG( sei.m_frame1SelfContainedFlag, "frame1_self_contained_flag" );
if(sei.m_quincunxSamplingFlag == 0 && sei.m_arrangementType != 5)
{
WRITE_CODE( sei.m_frame0GridPositionX, 4, "frame0_grid_position_x" );
WRITE_CODE( sei.m_frame0GridPositionY, 4, "frame0_grid_position_y" );
WRITE_CODE( sei.m_frame1GridPositionX, 4, "frame1_grid_position_x" );
WRITE_CODE( sei.m_frame1GridPositionY, 4, "frame1_grid_position_y" );
}
WRITE_CODE( sei.m_arrangementReservedByte, 8, "frame_packing_arrangement_reserved_byte" );
WRITE_FLAG( sei.m_arrangementPersistenceFlag, "frame_packing_arrangement_persistence_flag" );
}
WRITE_FLAG( sei.m_upsampledAspectRatio, "upsampled_aspect_ratio" );
}
void SEIWriter::xWriteSEIParameterSetsInclusionIndication(const SEIParameterSetsInclusionIndication& sei)
{
WRITE_FLAG(sei.m_selfContainedClvsFlag, "self_contained_clvs_flag");
}
void SEIWriter::xWriteSEIMasteringDisplayColourVolume(const SEIMasteringDisplayColourVolume& sei)
{
WRITE_CODE( sei.values.primaries[0][0], 16, "display_primaries_x[0]" );
WRITE_CODE( sei.values.primaries[0][1], 16, "display_primaries_y[0]" );
WRITE_CODE( sei.values.primaries[1][0], 16, "display_primaries_x[1]" );
WRITE_CODE( sei.values.primaries[1][1], 16, "display_primaries_y[1]" );
WRITE_CODE( sei.values.primaries[2][0], 16, "display_primaries_x[2]" );
WRITE_CODE( sei.values.primaries[2][1], 16, "display_primaries_y[2]" );
WRITE_CODE( sei.values.whitePoint[0], 16, "white_point_x" );
WRITE_CODE( sei.values.whitePoint[1], 16, "white_point_y" );
WRITE_CODE( sei.values.maxLuminance, 32, "max_display_mastering_luminance" );
WRITE_CODE( sei.values.minLuminance, 32, "min_display_mastering_luminance" );
}
void SEIWriter::xWriteByteAlign()
{
if( m_pcBitIf->getNumberOfWrittenBits() % 8 != 0)
{
WRITE_FLAG( 1, "payload_bit_equal_to_one" );
while( m_pcBitIf->getNumberOfWrittenBits() % 8 != 0 )
{
WRITE_FLAG( 0, "payload_bit_equal_to_zero" );
}
}
}
#if U0033_ALTERNATIVE_TRANSFER_CHARACTERISTICS_SEI
void SEIWriter::xWriteSEIAlternativeTransferCharacteristics(const SEIAlternativeTransferCharacteristics& sei)
{
WRITE_CODE(sei.m_preferredTransferCharacteristics, 8, "preferred_transfer_characteristics");
}
#endif
void SEIWriter::xWriteSEIEquirectangularProjection(const SEIEquirectangularProjection &sei)
{
WRITE_FLAG( sei.m_erpCancelFlag, "erp_cancel_flag" );
if( !sei.m_erpCancelFlag )
{
WRITE_FLAG( sei.m_erpPersistenceFlag, "erp_persistence_flag" );
WRITE_FLAG( sei.m_erpGuardBandFlag, "erp_guard_band_flag" );
WRITE_CODE( 0, 2, "erp_reserved_zero_2bits" );
if ( sei.m_erpGuardBandFlag == 1)
{
WRITE_CODE( sei.m_erpGuardBandType, 3, "erp_guard_band_type" );
WRITE_CODE( sei.m_erpLeftGuardBandWidth, 8, "erp_left_guard_band_width" );
WRITE_CODE( sei.m_erpRightGuardBandWidth, 8, "erp_right_guard_band_width" );
}
}
}
void SEIWriter::xWriteSEISphereRotation(const SEISphereRotation &sei)
{
WRITE_FLAG( sei.m_sphereRotationCancelFlag, "sphere_rotation_cancel_flag" );
if( !sei.m_sphereRotationCancelFlag )
{
WRITE_FLAG( sei.m_sphereRotationPersistenceFlag, "sphere_rotation_persistence_flag" );
WRITE_CODE( 0, 6, "sphere_rotation_reserved_zero_6bits" );
WRITE_SCODE(sei.m_sphereRotationYaw, 32, "sphere_rotation_yaw" );
WRITE_SCODE(sei.m_sphereRotationPitch, 32, "sphere_rotation_pitch" );
WRITE_SCODE(sei.m_sphereRotationRoll, 32, "sphere_rotation_roll" );
}
}
void SEIWriter::xWriteSEIOmniViewport(const SEIOmniViewport &sei)
{
WRITE_CODE( sei.m_omniViewportId, 10, "omni_viewport_id" );
WRITE_FLAG( sei.m_omniViewportCancelFlag, "omni_viewport_cancel_flag" );
if ( !sei.m_omniViewportCancelFlag )
{
WRITE_FLAG( sei.m_omniViewportPersistenceFlag, "omni_viewport_persistence_flag" );
const uint32_t numRegions = (uint32_t) sei.m_omniViewportRegions.size();
WRITE_CODE( numRegions - 1, 4, "omni_viewport_cnt_minus1" );
for(uint32_t region=0; region<numRegions; region++)
{
const SEIOmniViewport::OmniViewport &viewport=sei.m_omniViewportRegions[region];
WRITE_SCODE( viewport.azimuthCentre, 32, "omni_viewport_azimuth_centre" );
WRITE_SCODE( viewport.elevationCentre, 32, "omni_viewport_elevation_centre" );
WRITE_SCODE( viewport.tiltCentre, 32, "omni_viewport_tilt_center" );
WRITE_CODE( viewport.horRange, 32, "omni_viewport_hor_range[i]" );
WRITE_CODE( viewport.verRange, 32, "omni_viewport_ver_range[i]" );
}
}
}
void SEIWriter::xWriteSEIRegionWisePacking(const SEIRegionWisePacking &sei)
{
WRITE_FLAG( sei.m_rwpCancelFlag, "rwp_cancel_flag" );
if(!sei.m_rwpCancelFlag)
{
WRITE_FLAG( sei.m_rwpPersistenceFlag, "rwp_persistence_flag" );
WRITE_FLAG( sei.m_constituentPictureMatchingFlag, "constituent_picture_matching_flag" );
WRITE_CODE( 0, 5, "rwp_reserved_zero_5bits" );
WRITE_CODE( (uint32_t)sei.m_numPackedRegions, 8, "num_packed_regions" );
WRITE_CODE( (uint32_t)sei.m_projPictureWidth, 32, "proj_picture_width" );
WRITE_CODE( (uint32_t)sei.m_projPictureHeight, 32, "proj_picture_height" );
WRITE_CODE( (uint32_t)sei.m_packedPictureWidth, 16, "packed_picture_width" );
WRITE_CODE( (uint32_t)sei.m_packedPictureHeight, 16, "packed_picture_height" );
for( int i=0; i < sei.m_numPackedRegions; i++ )
{
WRITE_CODE( 0, 4, "rwp_reserved_zero_4bits" );
WRITE_CODE( (uint32_t)sei.m_rwpTransformType[i], 3, "rwp_tTransform_type" );
WRITE_FLAG( sei.m_rwpGuardBandFlag[i], "rwp_guard_band_flag" );
WRITE_CODE( (uint32_t)sei.m_projRegionWidth[i], 32, "proj_region_width" );
WRITE_CODE( (uint32_t)sei.m_projRegionHeight[i], 32, "proj_region_height" );
WRITE_CODE( (uint32_t)sei.m_rwpProjRegionTop[i], 32, "rwp_proj_regionTop" );
WRITE_CODE( (uint32_t)sei.m_projRegionLeft[i], 32, "proj_region_left" );
WRITE_CODE( (uint32_t)sei.m_packedRegionWidth[i], 16, "packed_region_width" );
WRITE_CODE( (uint32_t)sei.m_packedRegionHeight[i], 16, "packed_region_height" );
WRITE_CODE( (uint32_t)sei.m_packedRegionTop[i], 16, "packed_region_top" );
WRITE_CODE( (uint32_t)sei.m_packedRegionLeft[i], 16, "packed_region_left" );
if( sei.m_rwpGuardBandFlag[i] )
{
WRITE_CODE( (uint32_t)sei.m_rwpLeftGuardBandWidth[i], 8, "rwp_left_guard_band_width");
WRITE_CODE( (uint32_t)sei.m_rwpRightGuardBandWidth[i], 8, "rwp_right_guard_band_width");
WRITE_CODE( (uint32_t)sei.m_rwpTopGuardBandHeight[i], 8, "rwp_top_guard_band_height");
WRITE_CODE( (uint32_t)sei. m_rwpBottomGuardBandHeight[i], 8, "rwp_bottom_guard_band_height");
WRITE_FLAG( sei.m_rwpGuardBandNotUsedForPredFlag[i], "rwp_guard_band_not_used_forPred_flag" );
for( int j=0; j < 4; j++ )
{
WRITE_CODE( (uint32_t)sei.m_rwpGuardBandType[i*4 + j], 3, "rwp_guard_band_type");
}
WRITE_CODE( 0, 3, "rwp_guard_band_reserved_zero_3bits" );
}
}
}
}
void SEIWriter::xWriteSEIGeneralizedCubemapProjection(const SEIGeneralizedCubemapProjection &sei)
{
WRITE_FLAG( sei.m_gcmpCancelFlag, "gcmp_cancel_flag" );
if (!sei.m_gcmpCancelFlag)
{
WRITE_FLAG( sei.m_gcmpPersistenceFlag, "gcmp_persistence_flag" );
WRITE_CODE( sei.m_gcmpPackingType, 3, "gcmp_packing_type" );
WRITE_CODE( sei.m_gcmpMappingFunctionType, 2, "gcmp_mapping_function_type" );
int numFace = sei.m_gcmpPackingType == 4 || sei.m_gcmpPackingType == 5 ? 5 : 6;
for (int i = 0; i < numFace; i++)
{
WRITE_CODE( sei.m_gcmpFaceIndex[i], 3, "gcmp_face_index" );
WRITE_CODE( sei.m_gcmpFaceRotation[i], 2, "gcmp_face_rotation" );
if (sei.m_gcmpMappingFunctionType == 2)
{
WRITE_CODE( sei.m_gcmpFunctionCoeffU[i], 7, "gcmp_function_coeff_u" );
WRITE_FLAG( sei.m_gcmpFunctionUAffectedByVFlag[i], "gcmp_function_u_affected_by_v_flag" );
WRITE_CODE( sei.m_gcmpFunctionCoeffV[i], 7, "gcmp_function_coeff_v" );
WRITE_FLAG( sei.m_gcmpFunctionVAffectedByUFlag[i], "gcmp_function_v_affected_by_u_flag" );
}
}
WRITE_FLAG( sei.m_gcmpGuardBandFlag, "gcmp_guard_band_flag" );
if (sei.m_gcmpGuardBandFlag)
{
WRITE_CODE( sei.m_gcmpGuardBandType, 3, "gcmp_guard_band_type" );
WRITE_FLAG( sei.m_gcmpGuardBandBoundaryExteriorFlag, "gcmp_guard_band_boundary_exterior_flag" );
WRITE_CODE( sei.m_gcmpGuardBandSamplesMinus1, 4, "gcmp_guard_band_samples_minus1" );
}
}
}
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");
}
WRITE_CODE( (uint32_t)sei.m_numRefLevels - 1, 3, "sli_num_ref_levels_minus1");
WRITE_FLAG( sei.m_cbrConstraintFlag, "sli_cbr_constraint_flag");
WRITE_FLAG( sei.m_explicitFractionPresentFlag, "sli_explicit_fraction_present_flag");
if (sei.m_explicitFractionPresentFlag)
{
WRITE_UVLC( sei.m_numSubpics -1 , "sli_num_subpics_minus1");
#if JVET_S0176_SLI_SEI
WRITE_CODE( (uint32_t)sei.m_sliMaxSublayers - 1, 3, "sli_max_sublayers_minus1");
WRITE_FLAG( sei.m_sliSublayerInfoPresentFlag, "sli_sublayer_info_present_flag");
#endif
while (!isByteAligned())
{
WRITE_FLAG( 0, "sli_alignment_zero_bit");
}
}
#if JVET_S0176_SLI_SEI
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++)
{
#if JVET_S0098_SLI_FRACTION
WRITE_CODE((uint32_t)sei.m_nonSubpicLayersFraction[i][k], 8, "sli_non_subpic_layers_fraction[i][k]");
#endif
WRITE_CODE((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++)
{
WRITE_CODE((uint32_t)sei.m_refLevelFraction[i][j][k], 8, "sli_ref_level_fraction_minus1[i][j][k]");
}
}
}
}
#else
for (int i = 0; i < sei.m_numRefLevels; i++)
{
WRITE_CODE( (uint32_t)sei.m_refLevelIdc[i], 8, "sli_ref_level_idc[i]");
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++)
{
WRITE_CODE( (uint32_t)sei.m_refLevelFraction[i][j], 8, "sli_ref_level_fraction_minus1[i][j]");
}
}
}
#endif
}
void SEIWriter::xWriteSEISampleAspectRatioInfo(const SEISampleAspectRatioInfo &sei)
{
WRITE_FLAG( sei.m_sariCancelFlag, "sari_cancel_flag" );
if(!sei.m_sariCancelFlag)
{
WRITE_FLAG( sei.m_sariPersistenceFlag, "sari_persistence_flag" );
WRITE_CODE( (uint32_t)sei.m_sariAspectRatioIdc, 8, "sari_aspect_ratio_idc");
if (sei.m_sariAspectRatioIdc == 255)
{
WRITE_CODE( (uint32_t)sei.m_sariSarWidth, 16, "sari_sar_width");
WRITE_CODE( (uint32_t)sei.m_sariSarHeight, 16, "sari_sar_height");
}
}
}
void SEIWriter::xWriteSEIUserDataRegistered(const SEIUserDataRegistered &sei)
{
WRITE_CODE((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);
WRITE_CODE(sei.m_ituCountryCode - 255, 8, "itu_t_t35_country_code_extension_byte");
}
for (uint32_t i = 0; i<sei.m_userData.size(); i++)
{
WRITE_CODE(sei.m_userData[i], 8, "itu_t_t35_payload_byte");
}
}
void SEIWriter::xWriteSEIFilmGrainCharacteristics(const SEIFilmGrainCharacteristics &sei)
{
WRITE_FLAG(sei.m_filmGrainCharacteristicsCancelFlag, "film_grain_characteristics_cancel_flag");
if (!sei.m_filmGrainCharacteristicsCancelFlag)
{
WRITE_CODE(sei.m_filmGrainModelId, 2, "film_grain_model_id");
WRITE_FLAG(sei.m_separateColourDescriptionPresentFlag, "separate_colour_description_present_flag");
if (sei.m_separateColourDescriptionPresentFlag)
{
WRITE_CODE(sei.m_filmGrainBitDepthLumaMinus8, 3, "film_grain_bit_depth_luma_minus8");
WRITE_CODE(sei.m_filmGrainBitDepthChromaMinus8, 3, "film_grain_bit_depth_chroma_minus8");
WRITE_FLAG(sei.m_filmGrainFullRangeFlag, "film_grain_full_range_flag");
WRITE_CODE(sei.m_filmGrainColourPrimaries, 8, "film_grain_colour_primaries");
WRITE_CODE(sei.m_filmGrainTransferCharacteristics, 8, "film_grain_transfer_characteristics");
WRITE_CODE(sei.m_filmGrainMatrixCoeffs, 8, "film_grain_matrix_coeffs");
}
WRITE_CODE(sei.m_blendingModeId, 2, "blending_mode_id");
WRITE_CODE(sei.m_log2ScaleFactor, 4, "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.intensityValues.size();
const uint32_t numModelValues = cm.numModelValues;
WRITE_FLAG(sei.m_compModel[c].presentFlag && numIntensityIntervals>0 && numModelValues>0, "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.intensityValues.size();
const uint32_t numModelValues = cm.numModelValues;
if (cm.presentFlag && numIntensityIntervals>0 && numModelValues>0)
{
assert(numIntensityIntervals <= 256);
assert(numModelValues <= 256);
WRITE_CODE(numIntensityIntervals - 1, 8, "num_intensity_intervals_minus1[c]");
WRITE_CODE(numModelValues - 1, 3, "num_model_values_minus1[c]");
for (uint32_t interval = 0; interval<numIntensityIntervals; interval++)
{
const SEIFilmGrainCharacteristics::CompModelIntensityValues &cmiv = cm.intensityValues[interval];
WRITE_CODE(cmiv.intensityIntervalLowerBound, 8, "intensity_interval_lower_bound[c][i]");
WRITE_CODE(cmiv.intensityIntervalUpperBound, 8, "intensity_interval_upper_bound[c][i]");
assert(cmiv.compModelValue.size() == numModelValues);
for (uint32_t j = 0; j<cm.numModelValues; j++)
{
WRITE_SVLC(cmiv.compModelValue[j], "comp_model_value[c][i]");
}
}
}
} // for c
WRITE_FLAG(sei.m_filmGrainCharacteristicsPersistenceFlag, "film_grain_characteristics_persistence_flag");
} // cancel flag
}
void SEIWriter::xWriteSEIContentLightLevelInfo(const SEIContentLightLevelInfo& sei)
{
WRITE_CODE( sei.m_maxContentLightLevel, 16, "max_content_light_level" );
WRITE_CODE( sei.m_maxPicAverageLightLevel, 16, "max_pic_average_light_level" );
}
void SEIWriter::xWriteSEIAmbientViewingEnvironment(const SEIAmbientViewingEnvironment& sei)
{
WRITE_CODE(sei.m_ambientIlluminance, 32, "ambient_illuminance" );
WRITE_CODE(sei.m_ambientLightX, 16, "ambient_light_x" );
WRITE_CODE(sei.m_ambientLightY, 16, "ambient_light_y" );
}
void SEIWriter::xWriteSEIContentColourVolume(const SEIContentColourVolume &sei)
{
WRITE_FLAG(sei.m_ccvCancelFlag, "ccv_cancel_flag");
if (!sei.m_ccvCancelFlag)
{
WRITE_FLAG(sei.m_ccvPersistenceFlag, "ccv_persistence_flag");
WRITE_FLAG(sei.m_ccvPrimariesPresentFlag, "ccv_primaries_present_flag");
WRITE_FLAG(sei.m_ccvMinLuminanceValuePresentFlag, "ccv_min_luminance_value_present_flag");
WRITE_FLAG(sei.m_ccvMaxLuminanceValuePresentFlag, "ccv_max_luminance_value_present_flag");
WRITE_FLAG(sei.m_ccvAvgLuminanceValuePresentFlag, "ccv_avg_luminance_value_present_flag");
if (sei.m_ccvPrimariesPresentFlag == true)
{
for (int i = 0; i < MAX_NUM_COMPONENT; i++)
{
WRITE_SCODE((int32_t)sei.m_ccvPrimariesX[i], 32, "ccv_primaries_x[i]");
WRITE_SCODE((int32_t)sei.m_ccvPrimariesY[i], 32, "ccv_primaries_y[i]");
}
}
if (sei.m_ccvMinLuminanceValuePresentFlag == true)
{
WRITE_CODE((uint32_t)sei.m_ccvMinLuminanceValue, 32, "ccv_min_luminance_value");
}
if (sei.m_ccvMinLuminanceValuePresentFlag == true)
{
WRITE_CODE((uint32_t)sei.m_ccvMaxLuminanceValue, 32, "ccv_max_luminance_value");
}
if (sei.m_ccvMinLuminanceValuePresentFlag == true)
{
WRITE_CODE((uint32_t)sei.m_ccvAvgLuminanceValue, 32, "ccv_avg_luminance_value");
}
}
}
//! \}