SEIEncoder.cpp

    }
  }
}

void SEIEncoder::initSEIMultiviewViewPosition(SEIMultiviewViewPosition *sei)
{
  CHECK(!(m_isInitialized), "Multiview view position SEI already initialized");
  CHECK(!(sei != nullptr), "Need a seiMultiviewViewPosition for initialization (got nullptr)");
  sei->m_mvpNumViewsMinus1 = m_pcCfg->getMvpSEINumViewsMinus1();

  int numViews = sei->m_mvpNumViewsMinus1 + 1;
  sei->m_mvpViewPosition.resize(numViews);
  for (int i = 0; i <= sei->m_mvpNumViewsMinus1; i++)
  {
    sei->m_mvpViewPosition[i] = m_pcCfg->getMvpSEIViewPosition(i);
  }
}

void SEIEncoder::initSEIAlphaChannelInfo(SEIAlphaChannelInfo *sei)
{
  CHECK(!(m_isInitialized), "Alpha channel information SEI already initialized");
  CHECK(!(sei != nullptr), "Need a seiAlphaChannelInfo for initialization (got nullptr)");
  sei->m_aciCancelFlag = m_pcCfg->getAciSEICancelFlag();
  sei->m_aciUseIdc = m_pcCfg->getAciSEIUseIdc();
  sei->m_aciBitDepthMinus8 = m_pcCfg->getAciSEIBitDepthMinus8();
  sei->m_aciTransparentValue = m_pcCfg->getAciSEITransparentValue();
  sei->m_aciOpaqueValue = m_pcCfg->getAciSEIOpaqueValue();
  sei->m_aciIncrFlag = m_pcCfg->getAciSEIIncrFlag();
  sei->m_aciClipFlag = m_pcCfg->getAciSEIClipFlag();
  sei->m_aciClipTypeFlag = m_pcCfg->getAciSEIClipTypeFlag();
}

void SEIEncoder::initSEIDepthRepresentationInfo(SEIDepthRepresentationInfo *sei)
{
  CHECK(!(m_isInitialized), "Depth representation information SEI already initialized");
  CHECK(!(sei != nullptr), "Need a seiDepthRepresentationInfo for initialization (got nullptr)");
  sei->m_driZNearFlag = m_pcCfg->getDriSEIZNearFlag();
  sei->m_driZFarFlag = m_pcCfg->getDriSEIZFarFlag();
  sei->m_driDMinFlag = m_pcCfg->getDriSEIDMinFlag();
  sei->m_driDMaxFlag = m_pcCfg->getDriSEIDMaxFlag();
  sei->m_driZNear = m_pcCfg->getDriSEIZNear();
  sei->m_driZFar = m_pcCfg->getDriSEIZFar();
  sei->m_driDMin = m_pcCfg->getDriSEIDMin();
  sei->m_driDMax = m_pcCfg->getDriSEIDMax();
  sei->m_driDisparityRefViewId = m_pcCfg->getDriSEIDisparityRefViewId();
  sei->m_driDepthRepresentationType = m_pcCfg->getDriSEIDepthRepresentationType();
  sei->m_driDepthNonlinearRepresentationNumMinus1 = m_pcCfg->getDriSEINonlinearNumMinus1();
  sei->m_driDepthNonlinearRepresentationModel.resize(sei->m_driDepthNonlinearRepresentationNumMinus1 + 1);
  for(int i = 0; i < (sei->m_driDepthNonlinearRepresentationNumMinus1 + 1); i++)
  {
    sei->m_driDepthNonlinearRepresentationModel[i] = m_pcCfg->getDriSEINonlinearModel(i);
  }
}

void SEIEncoder::initSEIColourTransformInfo(SEIColourTransformInfo* seiCTI)
{
  CHECK(!(m_isInitialized), "Unspecified error");
  CHECK(!(seiCTI != nullptr), "Unspecified error");

  //  Set SEI message parameters read from command line options
  seiCTI->m_id = m_pcCfg->getCtiSEIId();
  seiCTI->m_signalInfoFlag = m_pcCfg->getCtiSEISignalInfoFlag();
  seiCTI->m_fullRangeFlag = m_pcCfg->getCtiSEIFullRangeFlag();
  seiCTI->m_primaries = m_pcCfg->getCtiSEIPrimaries();
  seiCTI->m_transferFunction = m_pcCfg->getCtiSEITransferFunction();
  seiCTI->m_matrixCoefs = m_pcCfg->getCtiSEIMatrixCoefs();
  seiCTI->m_crossComponentFlag = m_pcCfg->getCtiSEICrossComponentFlag();
  seiCTI->m_crossComponentInferred = m_pcCfg->getCtiSEICrossComponentInferred();
  seiCTI->m_numberChromaLutMinus1 = m_pcCfg->getCtiSEINbChromaLut() - 1;
  seiCTI->m_chromaOffset = m_pcCfg->getCtiSEIChromaOffset();

  seiCTI->m_bitdepth = m_pcCfg->getBitDepth(CHANNEL_TYPE_LUMA);

  for (int i = 0; i < MAX_NUM_COMPONENT; i++) {
    seiCTI->m_lut[i] = m_pcCfg->getCtiSEILut(i);
  }
  seiCTI->m_log2NumberOfPointsPerLut = floorLog2(seiCTI->m_lut[0].numLutValues - 1);
}

void SEIEncoder::initSEISubpictureLevelInfo(SEISubpicureLevelInfo *sei, const SPS *sps)
{
  const EncCfgParam::CfgSEISubpictureLevel &cfgSubPicLevel = m_pcCfg->getSubpicureLevelInfoSEICfg();

  sei->m_sliSublayerInfoPresentFlag = cfgSubPicLevel.m_sliSublayerInfoPresentFlag;
  sei->m_sliMaxSublayers = cfgSubPicLevel.m_sliMaxSublayers;
  sei->m_numRefLevels = cfgSubPicLevel.m_sliSublayerInfoPresentFlag ? (int)cfgSubPicLevel.m_refLevels.size() / cfgSubPicLevel.m_sliMaxSublayers : (int)cfgSubPicLevel.m_refLevels.size();
  sei->m_numSubpics = cfgSubPicLevel.m_numSubpictures;
  sei->m_explicitFractionPresentFlag = cfgSubPicLevel.m_explicitFraction;

  // sei parameters initialization
  sei->m_nonSubpicLayersFraction.resize(sei->m_numRefLevels);
  sei->m_refLevelIdc.resize(sei->m_numRefLevels);
  for (int level = 0; level < sei->m_numRefLevels; level++)
  {
    sei->m_nonSubpicLayersFraction[level].resize(sei->m_sliMaxSublayers);
    sei->m_refLevelIdc[level].resize(sei->m_sliMaxSublayers);
    for (int sublayer = 0; sublayer < sei->m_sliMaxSublayers; sublayer++)
    {
      sei->m_refLevelIdc[level][sublayer] = Level::LEVEL15_5;
    }
  }
  if (sei->m_explicitFractionPresentFlag)
  {
    sei->m_refLevelFraction.resize(sei->m_numRefLevels);
    for (int level = 0; level < sei->m_numRefLevels; level++)
    {
      sei->m_refLevelFraction[level].resize(sei->m_numSubpics);
      for (int subpic = 0; subpic < sei->m_numSubpics; subpic++)
      {
        sei->m_refLevelFraction[level][subpic].resize(sei->m_sliMaxSublayers);
        for (int sublayer = 0; sublayer < sei->m_sliMaxSublayers; sublayer++)
        {
          sei->m_refLevelFraction[level][subpic][sublayer] = 0;
        }
      }
    }
  }

  // set sei parameters according to the configured values
  for (int sublayer = sei->m_sliSublayerInfoPresentFlag ? 0 : sei->m_sliMaxSublayers - 1, cnta = 0, cntb = 0; sublayer < sei->m_sliMaxSublayers; sublayer++)
  {
    for (int level = 0; level < sei->m_numRefLevels; level++)
    {
      sei->m_nonSubpicLayersFraction[level][sublayer] = cfgSubPicLevel.m_nonSubpicLayersFraction[cnta];
      sei->m_refLevelIdc[level][sublayer] = cfgSubPicLevel.m_refLevels[cnta++];
      if (sei->m_explicitFractionPresentFlag)
      {
        for (int subpic = 0; subpic < sei->m_numSubpics; subpic++)
        {
          sei->m_refLevelFraction[level][subpic][sublayer] = cfgSubPicLevel.m_fractions[cntb++];
        }
      }
    }
  }

  // update the inference of m_refLevelIdc[][] and m_refLevelFraction[][][]
  if (!sei->m_sliSublayerInfoPresentFlag)
  {
    for (int sublayer = sei->m_sliMaxSublayers - 2; sublayer >= 0; sublayer--)
    {
      for (int level = 0; level < sei->m_numRefLevels; level++)
      {
        sei->m_nonSubpicLayersFraction[level][sublayer] = sei->m_nonSubpicLayersFraction[level][sei->m_sliMaxSublayers - 1];
        sei->m_refLevelIdc[level][sublayer] = sei->m_refLevelIdc[level][sei->m_sliMaxSublayers - 1];
        if (sei->m_explicitFractionPresentFlag)
        {
          for (int subpic = 0; subpic < sei->m_numSubpics; subpic++)
          {
            sei->m_refLevelFraction[level][subpic][sublayer] = sei->m_refLevelFraction[level][subpic][sei->m_sliMaxSublayers - 1];
          }
        }
      }
    }
  }
}


//! \}