/src/vvenc/source/Lib/EncoderLib/SEIEncoder.cpp

Source
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#include "SEIEncoder.h"

#include "vvenc/vvencCfg.h"
#include "CommonLib/CommonDef.h"
#include "CommonLib/SEI.h"
#include "CommonLib/PicYuvMD5.h"
#include "CommonLib/HRD.h"
#include "CommonLib/Slice.h"
#include "EncHRD.h"
#include "GOPCfg.h"

//! \ingroup EncoderLib
//! \{

namespace vvenc {

void SEIEncoder::init( const VVEncCfg& encCfg, const GOPCfg* gopCfg, EncHRD& encHRD)
{
  m_pcEncCfg      = &encCfg;
  m_gopCfg        = gopCfg;
  m_pcEncHRD      = &encHRD;
  m_isInitialized = true;
  ::memset(m_lastBPSEI,  0, sizeof(m_lastBPSEI));
  ::memset(m_totalCoded, 0, sizeof(m_totalCoded));
}

void SEIEncoder::initBufferingPeriodSEI( SEIBufferingPeriod& bpSei, bool noLeadingPictures)
{
  CHECK(!(m_isInitialized), "bufferingPeriodSEI already initialized");

  uint32_t uiInitialCpbRemovalDelay = (90000/2);                      // 0.5 sec
  bpSei.bpNalCpbParamsPresent = true;
  bpSei.bpVclCpbParamsPresent = true;
  bpSei.bpMaxSubLayers        = m_pcEncCfg->m_maxTLayer + 1;
  bpSei.bpCpbCnt              = 1;
  for(int i=0; i < bpSei.bpMaxSubLayers; i++)
  {
    for(int j=0; j < bpSei.bpCpbCnt; j++)
    {
      bpSei.initialCpbRemovalDelay[j][i][0] = uiInitialCpbRemovalDelay;
      bpSei.initialCpbRemovalDelay[j][i][1] = uiInitialCpbRemovalDelay;
      bpSei.initialCpbRemovalOffset[j][i][0] = uiInitialCpbRemovalDelay;
      bpSei.initialCpbRemovalOffset[j][i][1] = uiInitialCpbRemovalDelay;
    }
  }
  // We don't set concatenation_flag here. max_initial_removal_delay_for_concatenation depends on the usage scenario.
  // The parameters could be added to config file, but as long as the initialisation of generic buffering parameters is
  // not controllable, it does not seem to make sense to provide settings for these.
  bpSei.concatenationFlag = false;
  bpSei.maxInitialRemovalDelayForConcatenation = uiInitialCpbRemovalDelay;
  bpSei.bpDecodingUnitHrdParamsPresent = false;//m_pcEncCfg->m_noPicPartitionFlag == false;
  bpSei.decodingUnitCpbParamsInPicTimingSeiFlag = !m_pcEncCfg->m_decodingUnitInfoSEIEnabled;
  bpSei.initialCpbRemovalDelayLength = 16;                  // assuming 0.5 sec, log2( 90,000 * 0.5 ) = 16-bit
  // Note: The following parameters require some knowledge about the GOP structure.
  //       Using getIntraPeriod() should be avoided though, because it assumes certain GOP
  //       properties, which are only valid in CTC.
  //       Still copying this setting from HM for consistency, improvements welcome
  bool isRandomAccess  = m_pcEncCfg->m_picReordering;
  if( isRandomAccess && m_pcEncCfg->m_IntraPeriod < 256)
  {
    bpSei.cpbRemovalDelayLength =                                                           // 6  // 32 = 2^5 (plus 1)
    bpSei.dpbOutputDelayLength  =  ceilLog2( m_pcEncCfg->m_IntraPeriod)+1;                      // 6  // 32 + 3 = 2^6
  }
  else
  {
    bpSei.cpbRemovalDelayLength = 9;                        // max. 2^10
    bpSei.dpbOutputDelayLength =  9;                        // max. 2^10
  }
  bpSei.duCpbRemovalDelayIncrementLength = 7;               // ceil( log2( tick_divisor_minus2 + 2 ) )
  bpSei.dpbOutputDelayDuLength = bpSei.dpbOutputDelayLength + bpSei.duCpbRemovalDelayIncrementLength;
  //for the concatenation, it can be set to one during splicing.
  bpSei.concatenationFlag = 0;
  //since the temporal layer HRDParameters is not ready, we assumed it is fixed
  bpSei.auCpbRemovalDelayDelta = 1;
  CHECK( m_pcEncCfg->m_IntraPeriod % m_pcEncCfg->m_GOPSize != 0, "broken for aip" );
  bool bpDeltasGOPStructure = m_pcEncCfg->m_GOPSize == 8 || m_pcEncCfg->m_GOPSize == 16; //assume GOPs specified as in CTC
  bpSei.cpbRemovalDelayDeltasPresent = bpDeltasGOPStructure;
  if (bpSei.cpbRemovalDelayDeltasPresent)
  {
    switch (m_pcEncCfg->m_GOPSize)
    {
      case 8:
      {
        if (noLeadingPictures)
        {
          bpSei.numCpbRemovalDelayDeltas         = 5;
          bpSei.cpbRemovalDelayDelta[0]          = 1;
          bpSei.cpbRemovalDelayDelta[1]          = 2;
          bpSei.cpbRemovalDelayDelta[2]          = 3;
          bpSei.cpbRemovalDelayDelta[3]          = 6;
          bpSei.cpbRemovalDelayDelta[4]          = 7;
        }
        else
        {
          bpSei.numCpbRemovalDelayDeltas         = 3;
          bpSei.cpbRemovalDelayDelta[0]          = 1;
          bpSei.cpbRemovalDelayDelta[1]          = 2;
          bpSei.cpbRemovalDelayDelta[2]          = 3;
        }
      }
        break;
      case 16:
      {
        if (noLeadingPictures)
        {
          bpSei.numCpbRemovalDelayDeltas         = 9;
          bpSei.cpbRemovalDelayDelta[0]          = 1;
          bpSei.cpbRemovalDelayDelta[1]          = 2;
          bpSei.cpbRemovalDelayDelta[2]          = 3;
          bpSei.cpbRemovalDelayDelta[3]          = 4;
          bpSei.cpbRemovalDelayDelta[4]          = 6;
          bpSei.cpbRemovalDelayDelta[5]          = 7;
          bpSei.cpbRemovalDelayDelta[6]          = 9;
          bpSei.cpbRemovalDelayDelta[7]          = 14;
          bpSei.cpbRemovalDelayDelta[8]          = 15;
        }
        else
        {
          bpSei.numCpbRemovalDelayDeltas         = 5;
          bpSei.cpbRemovalDelayDelta[0]          = 1;
          bpSei.cpbRemovalDelayDelta[1]          = 2;
          bpSei.cpbRemovalDelayDelta[2]          = 3;
          bpSei.cpbRemovalDelayDelta[3]          = 6;
          bpSei.cpbRemovalDelayDelta[4]          = 7;
        }
      }
        break;
      default:
      {
        THROW("m_cpbRemovalDelayDelta not applicable for the GOP size");
      }
      break;
    }
  }
  bpSei.sublayerDpbOutputOffsetsPresent = true;
  const std::vector<int>& numReorderPics = m_gopCfg->getNumReorderPics();
  for(int i = 0; i < bpSei.bpMaxSubLayers; i++)
  {
    bpSei.dpbOutputTidOffset[i] = numReorderPics[i] * (1<<(bpSei.bpMaxSubLayers-1-i));
    if(bpSei.dpbOutputTidOffset[i] >= numReorderPics[bpSei.bpMaxSubLayers-1])
    {
      bpSei.dpbOutputTidOffset[i] -= numReorderPics[bpSei.bpMaxSubLayers-1];
    }
    else
    {
      bpSei.dpbOutputTidOffset[i] = 0;
    }
  }
  // A commercial encoder should track the buffer state for all layers and sub-layers
  // to ensure CPB conformance. Such tracking is required for calculating alternative
  // CPB parameters.
  // Unfortunately VTM does not have such tracking. Thus we cannot encode alternative
  // CPB parameters here.
  bpSei.altCpbParamsPresent = false;
  bpSei.useAltCpbParamsFlag = false;
}

//! calculate hashes for entire reconstructed picture
void SEIEncoder::initDecodedPictureHashSEI( SEIDecodedPictureHash& dphSei, const CPelUnitBuf& pic, std::string &rHashString, const BitDepths &bitDepths)
{
  CHECK(!(m_isInitialized), "Unspecified error");

  dphSei.method         = m_pcEncCfg->m_decodedPictureHashSEIType;
  dphSei.singleCompFlag = m_pcEncCfg->m_internChromaFormat == 0;

  switch (m_pcEncCfg->m_decodedPictureHashSEIType)
  {
    case VVENC_HASHTYPE_MD5:
    case VVENC_HASHTYPE_MD5_LOG:
      {
        uint32_t numChar=calcMD5(pic, dphSei.pictureHash, bitDepths);
        rHashString = hashToString(dphSei.pictureHash, numChar);
      }
      break;
    case VVENC_HASHTYPE_CRC:
    case VVENC_HASHTYPE_CRC_LOG:
      {
        uint32_t numChar=calcCRC(pic, dphSei.pictureHash, bitDepths);
        rHashString = hashToString(dphSei.pictureHash, numChar);
      }
      break;
    case VVENC_HASHTYPE_CHECKSUM:
    case VVENC_HASHTYPE_CHECKSUM_LOG:
    default:
      {
        uint32_t numChar=calcChecksum(pic, dphSei.pictureHash, bitDepths);
        rHashString = hashToString(dphSei.pictureHash, numChar);
      }
      break;
  }
}

void SEIEncoder::initPictureTimingSEI( SEIMessages& seiMessages, SEIMessages& nestedSeiMessages, SEIMessages& duInfoSeiMessages, const Slice *slice, const uint32_t numDU, const bool bpPresentInAU)
{
  // Picture timing depends on buffering period. When either of those is not disabled,
  // initialization would fail. Needs more cleanup after DU timing is integrated.
  if (!(m_pcEncCfg->m_pictureTimingSEIEnabled && m_pcEncCfg->m_bufferingPeriodSEIEnabled))
  {
    return;
  }

  const GeneralHrdParams *hrd = &slice->sps->generalHrdParams;

  // update decoding unit parameters
  if ((m_pcEncCfg->m_pictureTimingSEIEnabled || m_pcEncCfg->m_bufferingPeriodSEIEnabled) && slice->nuhLayerId == slice->vps->layerId[0])
  {
    int picSptDpbOutputDuDelay = 0;
    SEIPictureTiming *ptSei = new SEIPictureTiming();
    const uint32_t maxNumSubLayers = slice->sps->maxTLayers;

    // DU parameters
    if( hrd->generalDecodingUnitHrdParamsPresent )
    {
      ptSei->numDecodingUnitsMinus1      = numDU - 1;
      ptSei->duCommonCpbRemovalDelayFlag = false;
      ptSei->numNalusInDuMinus1.resize( numDU );
      ptSei->duCpbRemovalDelayMinus1.resize( numDU * maxNumSubLayers );
    }
    const uint32_t cpbRemovalDelayLegth = m_pcEncHRD->bufferingPeriodSEI.cpbRemovalDelayLength;
    ptSei->auCpbRemovalDelay[maxNumSubLayers-1] = std::min<int>(std::max<int>(1, m_totalCoded[maxNumSubLayers-1] - m_lastBPSEI[maxNumSubLayers-1]), (1<<cpbRemovalDelayLegth)); // Syntax element signalled as minus, hence the .
    CHECK( (m_totalCoded[maxNumSubLayers-1] - m_lastBPSEI[maxNumSubLayers-1]) > (1<<cpbRemovalDelayLegth), " cpbRemovalDelayLegth too small for m_auCpbRemovalDelay[pt_max_sub_layers_minus1] at picture timing SEI " );
    const uint32_t temporalId = slice->TLayer;
    for( int i = temporalId ; i < maxNumSubLayers - 1 ; i ++ )
    {
      CHECK( m_pcEncCfg->m_IntraPeriod % m_pcEncCfg->m_GOPSize != 0, "broken for aip" );
      int indexWithinGOP = (m_totalCoded[maxNumSubLayers - 1] - m_lastBPSEI[maxNumSubLayers - 1]) % m_pcEncCfg->m_GOPSize;
      ptSei->ptSubLayerDelaysPresent[i] = true;
      if( ((m_rapWithLeading == true) && (indexWithinGOP == 0)) || (m_totalCoded[maxNumSubLayers - 1] == 0) || bpPresentInAU || (slice->poc + m_pcEncCfg->m_GOPSize) > m_pcEncCfg->m_framesToBeEncoded )
      {
        ptSei->cpbRemovalDelayDeltaEnabledFlag[i] = false;
      }
      else
      {
        ptSei->cpbRemovalDelayDeltaEnabledFlag[i] = m_pcEncHRD->bufferingPeriodSEI.cpbRemovalDelayDeltasPresent;
      }
      if( ptSei->cpbRemovalDelayDeltaEnabledFlag[i] )
      {
        if( m_rapWithLeading == false )
        {
          switch (m_pcEncCfg->m_GOPSize)
          {
            case 8:
            {
              if((indexWithinGOP == 1 && i == 2))
              {
                ptSei->cpbRemovalDelayDeltaIdx[i] = 0;
              }
              else if((indexWithinGOP == 2 && i == 2) || (indexWithinGOP == 6 && i == 2))
              {
                ptSei->cpbRemovalDelayDeltaIdx[i] = 1;
              }
              else if((indexWithinGOP == 1 && i == 1) || (indexWithinGOP == 3 && i == 2))
              {
                ptSei->cpbRemovalDelayDeltaIdx[i] = 2;
              }
              else if(indexWithinGOP == 2 && i == 1)
              {
                ptSei->cpbRemovalDelayDeltaIdx[i] = 3;
              }
              else if(indexWithinGOP == 1 && i == 0)
              {
                ptSei->cpbRemovalDelayDeltaIdx[i] = 4;
              }
              else
              {
                THROW("m_cpbRemovalDelayDeltaIdx not applicable for the sub-layer and GOP size");
              }
            }
              break;
            case 16:
            {
              if((indexWithinGOP == 1 && i == 3))
              {
                ptSei->cpbRemovalDelayDeltaIdx[i] = 0;
              }
              else if((indexWithinGOP == 2 && i == 3) || (indexWithinGOP == 10 && i == 3) || (indexWithinGOP == 14 && i == 3))
              {
                ptSei->cpbRemovalDelayDeltaIdx[i] = 1;
              }
              else if((indexWithinGOP == 1 && i == 2) || (indexWithinGOP == 3 && i == 3) || (indexWithinGOP == 7 && i == 3) || (indexWithinGOP == 11 && i == 3))
              {
                ptSei->cpbRemovalDelayDeltaIdx[i] = 2;
              }
              else if(indexWithinGOP == 4 && i == 3)
              {
                ptSei->cpbRemovalDelayDeltaIdx[i] = 3;
              }
              else if((indexWithinGOP == 2 && i == 2) || (indexWithinGOP == 10 && i == 2))
              {
                ptSei->cpbRemovalDelayDeltaIdx[i] = 4;
              }
              else if(indexWithinGOP == 1 && i == 1)
              {
                ptSei->cpbRemovalDelayDeltaIdx[i] = 5;
              }
              else if(indexWithinGOP == 3 && i == 2)
              {
                ptSei->cpbRemovalDelayDeltaIdx[i] = 6;
              }
              else if(indexWithinGOP == 2 && i == 1)
              {
                ptSei->cpbRemovalDelayDeltaIdx[i] = 7;
              }
              else if(indexWithinGOP == 1 && i == 0)
              {
                ptSei->cpbRemovalDelayDeltaIdx[i] = 8;
              }
              else
              {
                THROW("m_cpbRemovalDelayDeltaIdx not applicable for the sub-layer and GOP size");
              }
            }
              break;
            default:
            {
              THROW("m_cpbRemovalDelayDeltaIdx not supported for the current GOP size");
            }
              break;
          }
        }
        else
        {
          switch (m_pcEncCfg->m_GOPSize)
          {
            case 8:
            {
              if((indexWithinGOP == 1 && i == 2) || (indexWithinGOP == 5 && i == 2))
              {
                ptSei->cpbRemovalDelayDeltaIdx[i] = 0;
              }
              else if(indexWithinGOP == 2 && i == 2)
              {
                ptSei->cpbRemovalDelayDeltaIdx[i] = 1;
              }
              else if(indexWithinGOP == 1 && i == 1)
              {
                ptSei->cpbRemovalDelayDeltaIdx[i] = 2;
              }
              else
              {
                THROW("m_cpbRemovalDelayDeltaIdx not applicable for the sub-layer and GOP size");
              }
            }
              break;
            case 16:
            {
              if((indexWithinGOP == 1 && i == 3) || (indexWithinGOP == 9 && i == 3) || (indexWithinGOP == 13 && i == 3))
              {
                ptSei->cpbRemovalDelayDeltaIdx[i] = 0;
              }
              else if((indexWithinGOP == 2 && i == 3) || (indexWithinGOP == 6 && i == 3) || (indexWithinGOP == 10 && i == 3))
              {
                ptSei->cpbRemovalDelayDeltaIdx[i] = 1;
              }
              else if((indexWithinGOP == 1 && i == 2) || (indexWithinGOP == 9 && i == 2) || (indexWithinGOP == 3 && i == 3))
              {
                ptSei->cpbRemovalDelayDeltaIdx[i] = 2;
              }
              else if(indexWithinGOP == 2 && i == 2)
              {
                ptSei->cpbRemovalDelayDeltaIdx[i] = 3;
              }
              else if(indexWithinGOP == 1 && i == 1)
              {
                ptSei->cpbRemovalDelayDeltaIdx[i] = 4;
              }
              else
              {
                THROW("m_cpbRemovalDelayDeltaIdx not applicable for the sub-layer and GOP size");
              }
            }
              break;
            default:
            {
              THROW("m_cpbRemovalDelayDeltaIdx not applicable for the sub-layer and GOP size");
            }
              break;
          }
        }
      }
      else
      {
        int scaledDistToBuffPeriod = (m_totalCoded[i] - m_lastBPSEI[i]) * (1<<(maxNumSubLayers - 1 - i));
        ptSei->auCpbRemovalDelay[i] = std::min<int>(std::max<int>(1, scaledDistToBuffPeriod), (1<<cpbRemovalDelayLegth)); // Syntax element signalled as minus, hence the .
        CHECK( scaledDistToBuffPeriod > (1<<cpbRemovalDelayLegth), " cpbRemovalDelayLegth too small for m_auCpbRemovalDelay[i] at picture timing SEI " );
      }
    }
    ptSei->picDpbOutputDelay = slice->sps->numReorderPics[slice->sps->maxTLayers-1] + slice->poc - m_totalCoded[maxNumSubLayers-1];
//    if(m_pcEncCfg->m_efficientFieldIRAPEnabled && IRAPGOPid > 0 && IRAPGOPid < m_iGopSize)
//    {
//      // if pictures have been swapped there is likely one more picture delay on their tid. Very rough approximation
//      ptSei->picDpbOutputDelay ++;
//    }
    int factor = hrd->tickDivisorMinus2 + 2;
    ptSei->picDpbOutputDuDelay = factor * ptSei->picDpbOutputDelay;
    if( m_pcEncCfg->m_decodingUnitInfoSEIEnabled )
    {
      picSptDpbOutputDuDelay = factor * ptSei->picDpbOutputDelay;
    }
    if( bpPresentInAU )
    {
      for( int i = temporalId ; i < maxNumSubLayers ; i ++ )
      {
        m_lastBPSEI[i] = m_totalCoded[i];
      }
      if( (slice->nalUnitType == VVENC_NAL_UNIT_CODED_SLICE_IDR_W_RADL)||(slice->nalUnitType == VVENC_NAL_UNIT_CODED_SLICE_CRA) )
      {
        m_rapWithLeading = true;
      }
    }


    if( m_pcEncCfg->m_pictureTimingSEIEnabled )
    {
      seiMessages.push_back( ptSei );

//      if (m_pcEncCfg->m_scalableNestingSEIEnabled && !m_pcEncCfg->m_samePicTimingInAllOLS)
//      {
//        SEIPictureTiming *pictureTimingSEIcopy = new SEIPictureTiming();
//        *pictureTimingSEIcopy = *pictureTimingSEI;
//        nestedSeiMessages.push_back(pictureTimingSEIcopy);
//      }
    }

    if( m_pcEncCfg->m_decodingUnitInfoSEIEnabled && hrd->generalDecodingUnitHrdParamsPresent )
    {
      for( int i = 0; i < ( ptSei->numDecodingUnitsMinus1 + 1 ); i ++ )
      {
        SEIDecodingUnitInfo *duInfoSEI = new SEIDecodingUnitInfo();
        duInfoSEI->decodingUnitIdx = i;
        for( int j = temporalId; j <= maxNumSubLayers; j++ )
        {
          duInfoSEI->duSptCpbRemovalDelayIncrement[j] = ptSei->duCpbRemovalDelayMinus1[i*maxNumSubLayers+j] + 1;
        }
        duInfoSEI->dpbOutputDuDelayPresent = false;
        duInfoSEI->picSptDpbOutputDuDelay = picSptDpbOutputDuDelay;

        duInfoSeiMessages.push_back(duInfoSEI);
      }
    }

    if( !m_pcEncCfg->m_pictureTimingSEIEnabled && ptSei )
    {
      delete ptSei;
    }
  }

  // not sure if this is the final place
  for( uint32_t i = slice->TLayer; i < slice->sps->maxTLayers; i ++ )
  {
    m_totalCoded[i]++;
  }
}

void SEIEncoder::initSEIAlternativeTransferCharacteristics(SEIAlternativeTransferCharacteristics *seiAltTransCharacteristics)
{
  CHECK(!(m_isInitialized), "Unspecified error");
  CHECK(!(seiAltTransCharacteristics!=NULL), "Unspecified error");
  //  Set SEI message parameters read from command line options
  seiAltTransCharacteristics->preferredTransferCharacteristics = m_pcEncCfg->m_preferredTransferCharacteristics;
}

void SEIEncoder::initSEIMasteringDisplayColourVolume(SEIMasteringDisplayColourVolume *seiMDCV)
{
  CHECK(!(m_isInitialized), "Unspecified error");
  CHECK(!(seiMDCV != NULL), "Unspecified error");

  //  Set SEI message parameters read from command line options
  seiMDCV->values.primaries[0][0] = m_pcEncCfg->m_masteringDisplay[0];
  seiMDCV->values.primaries[0][1] = m_pcEncCfg->m_masteringDisplay[1];

  seiMDCV->values.primaries[1][0] = m_pcEncCfg->m_masteringDisplay[2];
  seiMDCV->values.primaries[1][1] = m_pcEncCfg->m_masteringDisplay[3];

  seiMDCV->values.primaries[2][0] = m_pcEncCfg->m_masteringDisplay[4];
  seiMDCV->values.primaries[2][1] = m_pcEncCfg->m_masteringDisplay[5];

  seiMDCV->values.whitePoint[0]   = m_pcEncCfg->m_masteringDisplay[6];
  seiMDCV->values.whitePoint[1]   = m_pcEncCfg->m_masteringDisplay[7];

  seiMDCV->values.maxLuminance    = m_pcEncCfg->m_masteringDisplay[8];
  seiMDCV->values.minLuminance    = m_pcEncCfg->m_masteringDisplay[9];
}

void SEIEncoder::initSEIContentLightLevel(SEIContentLightLevelInfo *seiCLL)
{
  CHECK(!(m_isInitialized), "Unspecified error");
  CHECK(!(seiCLL != NULL), "Unspecified error");

  //  Set SEI message parameters read from command line options
  seiCLL->maxContentLightLevel    = m_pcEncCfg->m_contentLightLevel[0];
  seiCLL->maxPicAverageLightLevel = m_pcEncCfg->m_contentLightLevel[1];
}

void SEIEncoder::initSeiFgc(SeiFgc* seiFilmGrain)
{
  CHECK(!(m_isInitialized), "Unspecified error");
  CHECK(!(seiFilmGrain != nullptr), "Unspecified error");
  // Set SEI message parameters read from command line options
  seiFilmGrain->fgcCancelFlag = m_pcEncCfg->m_fg.m_fgcSEICancelFlag;
  seiFilmGrain->fgcPersistenceFlag = m_pcEncCfg->m_fg.m_fgcSEIPersistenceFlag;
  seiFilmGrain->filmGrainModelId = m_pcEncCfg->m_fg.m_fgcSEIModelID;
  seiFilmGrain->separateColourDescriptionPresent = m_pcEncCfg->m_fg.m_fgcSEISepColourDescPresentFlag;
  seiFilmGrain->blendingModeId = m_pcEncCfg->m_fg.m_fgcSEIBlendingModeID;
  seiFilmGrain->log2ScaleFactor = m_pcEncCfg->m_fg.m_fgcSEILog2ScaleFactor;
  for (int i = 0; i < MAX_NUM_COMP; i++)
  {
    seiFilmGrain->compModel[i].presentFlag = m_pcEncCfg->m_fg.m_fgcSEICompModelPresent[i];
    if (seiFilmGrain->compModel[i].presentFlag)
    {
      seiFilmGrain->compModel[i].numModelValues = 1 + m_pcEncCfg->m_fg.m_fgcSEINumModelValuesMinus1[i];
      seiFilmGrain->compModel[i].numIntensityIntervals = 1 + m_pcEncCfg->m_fg.m_fgcSEINumIntensityIntervalMinus1[i];
      seiFilmGrain->compModel[i].intensityValues.resize(seiFilmGrain->compModel[i].numIntensityIntervals);
      for (int j = 0; j < seiFilmGrain->compModel[i].numIntensityIntervals; j++)
      {
        seiFilmGrain->compModel[i].intensityValues[j].intensityIntervalLowerBound = m_pcEncCfg->m_fg.m_fgcSEIIntensityIntervalLowerBound[i][j];
        seiFilmGrain->compModel[i].intensityValues[j].intensityIntervalUpperBound = m_pcEncCfg->m_fg.m_fgcSEIIntensityIntervalUpperBound[i][j];
        seiFilmGrain->compModel[i].intensityValues[j].compModelValue.resize(seiFilmGrain->compModel[i].numModelValues);
        for (int k = 0; k < seiFilmGrain->compModel[i].numModelValues; k++)
        {
          seiFilmGrain->compModel[i].intensityValues[j].compModelValue[k] = m_pcEncCfg->m_fg.m_fgcSEICompModelValue[i][j][k];
        }
      }
    }
  }
}

} // namespace vvenc

//! \}


Coverage Report

Created: 2026-04-01 07:49