EncLib.cpp

  sps.setUseLFNST                            ( m_LFNST );
  sps.setSBTMVPEnabledFlag                  ( m_SubPuMvpMode );
  sps.setAMVREnabledFlag                ( m_ImvMode != IMV_OFF );
  sps.setBDOFEnabledFlag                    ( m_BIO );
  sps.setUseAffine             ( m_Affine );
  sps.setUseAffineType         ( m_AffineType );
  sps.setUsePROF               ( m_PROF );
  sps.setUseLMChroma           ( m_LMChroma ? true : false );
  sps.setCclmCollocatedChromaFlag( m_cclmCollocatedChromaFlag );
  sps.setUseMTS                ( m_IntraMTS || m_InterMTS || m_ImplicitMTS );
  sps.setUseIntraMTS           ( m_IntraMTS );
  sps.setUseInterMTS           ( m_InterMTS );
  sps.setUseSBT                             ( m_SBT );
  if( sps.getUseSBT() )
  {
    sps.setMaxSbtSize                       ( std::min((int)(1 << m_log2MaxTbSize), m_iSourceWidth >= 1920 ? 64 : 32) );
  }
  sps.setUseSMVD                ( m_SMVD );
  sps.setUseGBi                ( m_GBi );
#if LUMA_ADAPTIVE_DEBLOCKING_FILTER_QP_OFFSET
  sps.setLadfEnabled           ( m_LadfEnabled );
  if ( m_LadfEnabled )
  {
    sps.setLadfNumIntervals    ( m_LadfNumIntervals );
    for ( int k = 0; k < m_LadfNumIntervals; k++ )
    {
      sps.setLadfQpOffset( m_LadfQpOffset[k], k );
      sps.setLadfIntervalLowerBound( m_LadfIntervalLowerBound[k], k );
    }
    CHECK( m_LadfIntervalLowerBound[0] != 0, "abnormal value set to LadfIntervalLowerBound[0]" );
  }
#endif

  sps.setUseMHIntra            ( m_MHIntra );
  sps.setUseTriangle           ( m_Triangle );
  sps.setUseMMVD               ( m_MMVD );
  sps.setFpelMmvdEnabledFlag   (( m_MMVD ) ? m_allowDisFracMMVD : false);
  sps.setBdofDmvrSlicePresentFlag(m_DMVR || m_BIO);
  sps.setAffineAmvrEnabledFlag              ( m_AffineAmvr );
  sps.setUseDMVR                            ( m_DMVR );
  sps.setPLTMode                            ( m_PLTMode);
  sps.setIBCFlag                            ( m_IBCMode);
  sps.setWrapAroundEnabledFlag                      ( m_wrapAround );
  sps.setWrapAroundOffset                   ( m_wrapAroundOffset );
  // ADD_NEW_TOOL : (encoder lib) set tool enabling flags and associated parameters here
  sps.setUseISP                             ( m_ISP );
  sps.setUseReshaper                        ( m_lumaReshapeEnable );
  sps.setUseMIP                ( m_MIP );
  int minCUSize =  sps.getMaxCUWidth() >> sps.getLog2DiffMaxMinCodingBlockSize();
  int log2MinCUSize = 0;
  while(minCUSize > 1)
  {
    minCUSize >>= 1;
    log2MinCUSize++;
  }

  sps.setLog2MinCodingBlockSize(log2MinCUSize);


  sps.setTransformSkipEnabledFlag(m_useTransformSkip);
  sps.setBDPCMEnabledFlag(m_useBDPCM);

  sps.setSPSTemporalMVPEnabledFlag((getTMVPModeId() == 2 || getTMVPModeId() == 1));

  sps.setLog2MaxTbSize   ( m_log2MaxTbSize );

  for (uint32_t channelType = 0; channelType < MAX_NUM_CHANNEL_TYPE; channelType++)
  {
    sps.setBitDepth      (ChannelType(channelType), m_bitDepth[channelType] );
    sps.setQpBDOffset  (ChannelType(channelType), (6 * (m_bitDepth[channelType] - 8)));
    sps.setMinQpPrimeTsMinus4(ChannelType(channelType), (6 * (m_bitDepth[channelType] - m_inputBitDepth[channelType])));
  }

  sps.setUseWP( m_useWeightedPred );
  sps.setUseWPBiPred( m_useWeightedBiPred );

  sps.setSAOEnabledFlag( m_bUseSAO );
  sps.setJointCbCrEnabledFlag( m_JointCbCrMode );
  sps.setMaxTLayers( m_maxTempLayer );
  sps.setTemporalIdNestingFlag( ( m_maxTempLayer == 1 ) ? true : false );

  for (int i = 0; i < std::min(sps.getMaxTLayers(), (uint32_t) MAX_TLAYER); i++ )
  {
    sps.setMaxDecPicBuffering(m_maxDecPicBuffering[i], i);
    sps.setNumReorderPics(m_numReorderPics[i], i);
  }

  sps.setScalingListFlag ( (m_useScalingListId == SCALING_LIST_OFF) ? 0 : 1 );
  sps.setALFEnabledFlag( m_alf );
  sps.setVuiParametersPresentFlag(getVuiParametersPresentFlag());

  if (sps.getVuiParametersPresentFlag())
  {
    VUI* pcVUI = sps.getVuiParameters();
    pcVUI->setAspectRatioInfoPresentFlag(getAspectRatioInfoPresentFlag());
    pcVUI->setAspectRatioIdc(getAspectRatioIdc());
    pcVUI->setSarWidth(getSarWidth());
    pcVUI->setSarHeight(getSarHeight());
    pcVUI->setColourDescriptionPresentFlag(getColourDescriptionPresentFlag());
    pcVUI->setColourPrimaries(getColourPrimaries());
    pcVUI->setTransferCharacteristics(getTransferCharacteristics());
    pcVUI->setMatrixCoefficients(getMatrixCoefficients());
    pcVUI->setFieldSeqFlag(false);
    pcVUI->setChromaLocInfoPresentFlag(getChromaLocInfoPresentFlag());
    pcVUI->setChromaSampleLocTypeTopField(getChromaSampleLocTypeTopField());
    pcVUI->setChromaSampleLocTypeBottomField(getChromaSampleLocTypeBottomField());
    pcVUI->setChromaSampleLocType(getChromaSampleLocType());
    pcVUI->setOverscanInfoPresentFlag(getOverscanInfoPresentFlag());
    pcVUI->setOverscanAppropriateFlag(getOverscanAppropriateFlag());
    pcVUI->setVideoSignalTypePresentFlag(getVideoSignalTypePresentFlag());
    pcVUI->setVideoFullRangeFlag(getVideoFullRangeFlag());
  }

  sps.setNumLongTermRefPicSPS(NUM_LONG_TERM_REF_PIC_SPS);
  CHECK(!(NUM_LONG_TERM_REF_PIC_SPS <= MAX_NUM_LONG_TERM_REF_PICS), "Unspecified error");
  for (int k = 0; k < NUM_LONG_TERM_REF_PIC_SPS; k++)
  {
    sps.setLtRefPicPocLsbSps(k, 0);
    sps.setUsedByCurrPicLtSPSFlag(k, 0);
  }
  sps.setChromaQpMappingTableFromParams(m_chromaQpMappingTableParams, sps.getQpBDOffset(CHANNEL_TYPE_CHROMA));
  sps.derivedChromaQPMappingTables();

#if U0132_TARGET_BITS_SATURATION
  if( getPictureTimingSEIEnabled() || getDecodingUnitInfoSEIEnabled() || getCpbSaturationEnabled() )
#else
  if( getPictureTimingSEIEnabled() || getDecodingUnitInfoSEIEnabled() )
#endif
  {
    xInitHrdParameters(sps);
  }
  if( getBufferingPeriodSEIEnabled() || getPictureTimingSEIEnabled() || getDecodingUnitInfoSEIEnabled() )
  {
    sps.setHrdParametersPresentFlag( true );
  }

  // Set up SPS range extension settings
  sps.getSpsRangeExtension().setTransformSkipRotationEnabledFlag(m_transformSkipRotationEnabledFlag);
  sps.getSpsRangeExtension().setTransformSkipContextEnabledFlag(m_transformSkipContextEnabledFlag);
  for (uint32_t signallingModeIndex = 0; signallingModeIndex < NUMBER_OF_RDPCM_SIGNALLING_MODES; signallingModeIndex++)
  {
    sps.getSpsRangeExtension().setRdpcmEnabledFlag(RDPCMSignallingMode(signallingModeIndex), m_rdpcmEnabledFlag[signallingModeIndex]);
  }
  sps.getSpsRangeExtension().setExtendedPrecisionProcessingFlag(m_extendedPrecisionProcessingFlag);
  sps.getSpsRangeExtension().setIntraSmoothingDisabledFlag( m_intraSmoothingDisabledFlag );
  sps.getSpsRangeExtension().setHighPrecisionOffsetsEnabledFlag(m_highPrecisionOffsetsEnabledFlag);
  sps.getSpsRangeExtension().setPersistentRiceAdaptationEnabledFlag(m_persistentRiceAdaptationEnabledFlag);
  sps.getSpsRangeExtension().setCabacBypassAlignmentEnabledFlag(m_cabacBypassAlignmentEnabledFlag);

  if (m_uiIntraPeriod < 0)
    sps.setRPL1CopyFromRPL0Flag(true);
}

void EncLib::xInitHrdParameters(SPS &sps)
{
  m_encHRD.initHRDParameters((EncCfg*) this);

  HRDParameters *hrdParams = sps.getHrdParameters();
  *hrdParams = m_encHRD.getHRDParameters();

  TimingInfo *timingInfo = sps.getTimingInfo();
  *timingInfo = m_encHRD.getTimingInfo();
}

void EncLib::xInitPPS(PPS &pps, const SPS &sps)
{
  // pps ID already initialised.
  pps.setSPSId(sps.getSPSId());

  pps.setConstantSliceHeaderParamsEnabledFlag(getConstantSliceHeaderParamsEnabledFlag());
  pps.setPPSDepQuantEnabledIdc(getPPSDepQuantEnabledIdc());
  pps.setPPSRefPicListSPSIdc0(getPPSRefPicListSPSIdc0());
  pps.setPPSRefPicListSPSIdc1(getPPSRefPicListSPSIdc1());
  pps.setPPSTemporalMVPEnabledIdc(getPPSTemporalMVPEnabledIdc());
  pps.setPPSMvdL1ZeroIdc(getPPSMvdL1ZeroIdc());
  pps.setPPSCollocatedFromL0Idc(getPPSCollocatedFromL0Idc());
  pps.setPPSSixMinusMaxNumMergeCandPlus1(getPPSSixMinusMaxNumMergeCandPlus1());
  pps.setPPSFiveMinusMaxNumSubblockMergeCandPlus1(getPPSFiveMinusMaxNumSubblockMergeCandPlus1());
  pps.setPPSMaxNumMergeCandMinusMaxNumTriangleCandPlus1(getPPSMaxNumMergeCandMinusMaxNumTriangleCandPlus1());

  pps.setConstrainedIntraPred( m_bUseConstrainedIntraPred );
  bool bUseDQP = (getCuQpDeltaSubdiv() > 0)? true : false;

  if((getMaxDeltaQP() != 0 )|| getUseAdaptiveQP())
  {
    bUseDQP = true;
  }

#if SHARP_LUMA_DELTA_QP
  if ( getLumaLevelToDeltaQPMapping().isEnabled() )
  {
    bUseDQP = true;
  }
#endif
#if ENABLE_QPA
  if (getUsePerceptQPA() && !bUseDQP)
  {
    CHECK( m_cuQpDeltaSubdiv != 0, "max. delta-QP subdiv must be zero!" );
    bUseDQP = (getBaseQP() < 38) && (getSourceWidth() > 512 || getSourceHeight() > 320);
  }
#endif

  if (m_costMode==COST_SEQUENCE_LEVEL_LOSSLESS || m_costMode==COST_LOSSLESS_CODING)
  {
    bUseDQP=false;
  }


  if ( m_RCEnableRateControl )
  {
    pps.setUseDQP(true);
    pps.setCuQpDeltaSubdiv( 0 );
  }
  else if(bUseDQP)
  {
    pps.setUseDQP(true);
    pps.setCuQpDeltaSubdiv( m_cuQpDeltaSubdiv );
  }
  else
  {
    pps.setUseDQP(false);
    pps.setCuQpDeltaSubdiv( 0 );
  }

  if ( m_cuChromaQpOffsetSubdiv >= 0 )
  {
    pps.setCuChromaQpOffsetSubdiv(m_cuChromaQpOffsetSubdiv);
    pps.clearChromaQpOffsetList();
    pps.setChromaQpOffsetListEntry(1, 6, 6, 6);
    /* todo, insert table entries from command line (NB, 0 should not be touched) */
  }
  else
  {
    pps.setCuChromaQpOffsetSubdiv(0);
    pps.clearChromaQpOffsetList();
  }
  pps.getPpsRangeExtension().setCrossComponentPredictionEnabledFlag(m_crossComponentPredictionEnabledFlag);
  pps.getPpsRangeExtension().setLog2SaoOffsetScale(CHANNEL_TYPE_LUMA,   m_log2SaoOffsetScale[CHANNEL_TYPE_LUMA  ]);
  pps.getPpsRangeExtension().setLog2SaoOffsetScale(CHANNEL_TYPE_CHROMA, m_log2SaoOffsetScale[CHANNEL_TYPE_CHROMA]);

  {
    int baseQp = 26;
    if( 16 == getGOPSize() )
    {
      baseQp = getBaseQP()-24;
    }
    else
    {
      baseQp = getBaseQP()-26;
    }
    const int maxDQP = 37;
    const int minDQP = -26 + sps.getQpBDOffset(CHANNEL_TYPE_LUMA);

    pps.setPicInitQPMinus26( std::min( maxDQP, std::max( minDQP, baseQp ) ));
  }

#if ER_CHROMA_QP_WCG_PPS
  if (getWCGChromaQPControl().isEnabled())
  {
    const int baseQp=m_iQP+pps.getPPSId();
    const double chromaQp = m_wcgChromaQpControl.chromaQpScale * baseQp + m_wcgChromaQpControl.chromaQpOffset;
    const double dcbQP = m_wcgChromaQpControl.chromaCbQpScale * chromaQp;
    const double dcrQP = m_wcgChromaQpControl.chromaCrQpScale * chromaQp;
    const int cbQP =(int)(dcbQP + ( dcbQP < 0 ? -0.5 : 0.5) );
    const int crQP =(int)(dcrQP + ( dcrQP < 0 ? -0.5 : 0.5) );
    pps.setQpOffset(COMPONENT_Cb, Clip3( -12, 12, min(0, cbQP) + m_chromaCbQpOffset ));
    pps.setQpOffset(COMPONENT_Cr, Clip3( -12, 12, min(0, crQP) + m_chromaCrQpOffset));
    pps.setQpOffset(JOINT_CbCr,   Clip3( -12, 12, ( min(0, cbQP) + min(0, crQP) ) / 2 + m_chromaCbCrQpOffset));
  }
  else
  {
#endif
  pps.setQpOffset(COMPONENT_Cb, m_chromaCbQpOffset );
  pps.setQpOffset(COMPONENT_Cr, m_chromaCrQpOffset );
  pps.setQpOffset(JOINT_CbCr, m_chromaCbCrQpOffset );
#if ER_CHROMA_QP_WCG_PPS
  }
#endif
#if W0038_CQP_ADJ
  bool bChromaDeltaQPEnabled = false;
  {
    bChromaDeltaQPEnabled = ( m_sliceChromaQpOffsetIntraOrPeriodic[0] || m_sliceChromaQpOffsetIntraOrPeriodic[1] );
    if( !bChromaDeltaQPEnabled )
    {
      for( int i=0; i<m_iGOPSize; i++ )
      {
        if( m_GOPList[i].m_CbQPoffset || m_GOPList[i].m_CrQPoffset )
        {
          bChromaDeltaQPEnabled = true;
          break;
        }
      }
    }
  }
 #if ENABLE_QPA
  if ((getUsePerceptQPA() || getSliceChromaOffsetQpPeriodicity() > 0) && (getChromaFormatIdc() != CHROMA_400))
  {
    bChromaDeltaQPEnabled = true;
  }
 #endif
  pps.setSliceChromaQpFlag(bChromaDeltaQPEnabled);
#endif
  if (
    !pps.getSliceChromaQpFlag() && sps.getUseDualITree()
    && (getChromaFormatIdc() != CHROMA_400))
  {
    pps.setSliceChromaQpFlag(m_chromaCbQpOffsetDualTree != 0 || m_chromaCrQpOffsetDualTree != 0 || m_chromaCbCrQpOffsetDualTree != 0);
  }

  pps.setEntropyCodingSyncEnabledFlag( m_entropyCodingSyncEnabledFlag );

  pps.setSingleTileInPicFlag((m_iNumColumnsMinus1 == 0 && m_iNumRowsMinus1 == 0));

  pps.setUseWP( m_useWeightedPred );
  pps.setWPBiPred( m_useWeightedBiPred );
  pps.setOutputFlagPresentFlag( false );

  if ( getDeblockingFilterMetric() )
  {
    pps.setDeblockingFilterOverrideEnabledFlag(true);
    pps.setPPSDeblockingFilterDisabledFlag(false);
  }
  else
  {
    pps.setDeblockingFilterOverrideEnabledFlag( !getLoopFilterOffsetInPPS() );
    pps.setPPSDeblockingFilterDisabledFlag( getLoopFilterDisable() );
  }

  if (! pps.getPPSDeblockingFilterDisabledFlag())
  {
    pps.setDeblockingFilterBetaOffsetDiv2( getLoopFilterBetaOffset() );
    pps.setDeblockingFilterTcOffsetDiv2( getLoopFilterTcOffset() );
  }
  else
  {
    pps.setDeblockingFilterBetaOffsetDiv2(0);
    pps.setDeblockingFilterTcOffsetDiv2(0);
  }

  // deblockingFilterControlPresentFlag is true if any of the settings differ from the inferred values:
  const bool deblockingFilterControlPresentFlag = pps.getDeblockingFilterOverrideEnabledFlag() ||
                                                  pps.getPPSDeblockingFilterDisabledFlag()     ||
                                                  pps.getDeblockingFilterBetaOffsetDiv2() != 0 ||
                                                  pps.getDeblockingFilterTcOffsetDiv2() != 0;

  pps.setDeblockingFilterControlPresentFlag(deblockingFilterControlPresentFlag);

  pps.setLog2ParallelMergeLevelMinus2   (m_log2ParallelMergeLevelMinus2 );
  pps.setCabacInitPresentFlag(CABAC_INIT_PRESENT_FLAG);
  pps.setLoopFilterAcrossSlicesEnabledFlag( m_bLFCrossSliceBoundaryFlag );


  int histogram[MAX_NUM_REF + 1];
  for( int i = 0; i <= MAX_NUM_REF; i++ )
  {
    histogram[i]=0;
  }
  for( int i = 0; i < getGOPSize(); i++)
  {
    CHECK(!(getRPLEntry(0, i).m_numRefPicsActive >= 0 && getRPLEntry(0, i).m_numRefPicsActive <= MAX_NUM_REF), "Unspecified error");
    histogram[getRPLEntry(0, i).m_numRefPicsActive]++;
  }

  int maxHist=-1;
  int bestPos=0;
  for( int i = 0; i <= MAX_NUM_REF; i++ )
  {
    if(histogram[i]>maxHist)
    {
      maxHist=histogram[i];
      bestPos=i;
    }
  }
  CHECK(!(bestPos <= 15), "Unspecified error");
    pps.setNumRefIdxL0DefaultActive(bestPos);
  pps.setNumRefIdxL1DefaultActive(bestPos);
  pps.setTransquantBypassEnabledFlag(getTransquantBypassEnabledFlag());
  pps.setLog2MaxTransformSkipBlockSize(m_log2MaxTransformSkipBlockSize);


  xInitPPSforTiles(pps);

  pps.setLoopFilterAcrossVirtualBoundariesDisabledFlag( m_loopFilterAcrossVirtualBoundariesDisabledFlag );
  pps.setNumVerVirtualBoundaries            ( m_numVerVirtualBoundaries );
  pps.setNumHorVirtualBoundaries            ( m_numHorVirtualBoundaries );
  for( unsigned int i = 0; i < m_numVerVirtualBoundaries; i++ )
  {
    pps.setVirtualBoundariesPosX            ( m_virtualBoundariesPosX[i], i );
  }
  for( unsigned int i = 0; i < m_numHorVirtualBoundaries; i++ )
  {
    pps.setVirtualBoundariesPosY            ( m_virtualBoundariesPosY[i], i );
  }

  pps.pcv = new PreCalcValues( sps, pps, true );
  pps.setRpl1IdxPresentFlag(sps.getRPL1IdxPresentFlag());
}

void EncLib::xInitAPS(APS &aps)
{
  //Do nothing now
}

void EncLib::xInitRPL(SPS &sps, bool isFieldCoding)
{
  ReferencePictureList*      rpl;

  int numRPLCandidates = getRPLCandidateSize(0);
  sps.createRPLList0(numRPLCandidates);
  sps.createRPLList1(numRPLCandidates);
  RPLList* rplList = 0;

  for (int i = 0; i < 2; i++)
  {
    rplList = (i == 0) ? sps.getRPLList0() : sps.getRPLList1();
    for (int j = 0; j < numRPLCandidates; j++)
    {
      const RPLEntry &ge = getRPLEntry(i, j);
      rpl = rplList->getReferencePictureList(j);
      rpl->setNumberOfShorttermPictures(ge.m_numRefPics);
      rpl->setNumberOfLongtermPictures(0);   //Hardcoded as 0 for now. need to update this when implementing LTRP
      rpl->setNumberOfActivePictures(ge.m_numRefPicsActive);
      rpl->setLtrpInSliceHeaderFlag(ge.m_ltrp_in_slice_header_flag);

      for (int k = 0; k < ge.m_numRefPics; k++)
      {
        rpl->setRefPicIdentifier(k, ge.m_deltaRefPics[k], 0);
      }
    }
  }

  //Check if all delta POC of STRP in each RPL has the same sign
  //Check RPLL0 first
  const RPLList* rplList0 = sps.getRPLList0();
  const RPLList* rplList1 = sps.getRPLList1();
  uint32_t numberOfRPL = sps.getNumRPL0();

  bool isAllEntriesinRPLHasSameSignFlag = true;
  bool isFirstEntry = true;
  bool lastSign = true;        //true = positive ; false = negative
  for (uint32_t ii = 0; isAllEntriesinRPLHasSameSignFlag && ii < numberOfRPL; ii++)
  {
    const ReferencePictureList* rpl = rplList0->getReferencePictureList(ii);
    for (uint32_t jj = 0; isAllEntriesinRPLHasSameSignFlag && jj < rpl->getNumberOfActivePictures(); jj++)
    {
      if (!rpl->isRefPicLongterm(jj) && isFirstEntry)
      {
        lastSign = (rpl->getRefPicIdentifier(jj) >= 0) ? true : false;
        isFirstEntry = false;
      }
      else if (!rpl->isRefPicLongterm(jj) && (((rpl->getRefPicIdentifier(jj) - rpl->getRefPicIdentifier(jj - 1)) >= 0 && lastSign == false) || ((rpl->getRefPicIdentifier(jj) - rpl->getRefPicIdentifier(jj - 1)) < 0 && lastSign == true)))
      {
        isAllEntriesinRPLHasSameSignFlag = false;
      }
    }
  }
  //Check RPLL1. Skip it if it is already found out that this flag is not true for RPL0 or if RPL1 is the same as RPL0
  numberOfRPL = sps.getNumRPL1();
  isFirstEntry = true;
  lastSign = true;
  for (uint32_t ii = 0; isAllEntriesinRPLHasSameSignFlag && !sps.getRPL1CopyFromRPL0Flag() && ii < numberOfRPL; ii++)
  {
    isFirstEntry = true;
    const ReferencePictureList* rpl = rplList1->getReferencePictureList(ii);
    for (uint32_t jj = 0; isAllEntriesinRPLHasSameSignFlag && jj < rpl->getNumberOfActivePictures(); jj++)
    {
      if (!rpl->isRefPicLongterm(jj) && isFirstEntry)
      {
        lastSign = (rpl->getRefPicIdentifier(jj) >= 0) ? true : false;
        isFirstEntry = false;
      }
      else if (!rpl->isRefPicLongterm(jj) && (((rpl->getRefPicIdentifier(jj) - rpl->getRefPicIdentifier(jj - 1)) >= 0 && lastSign == false) || ((rpl->getRefPicIdentifier(jj) - rpl->getRefPicIdentifier(jj - 1)) < 0 && lastSign == true)))
      {
        isAllEntriesinRPLHasSameSignFlag = false;
      }
    }
  }
  sps.setAllActiveRplEntriesHasSameSignFlag(isAllEntriesinRPLHasSameSignFlag);
}

void EncLib::getActiveRefPicListNumForPOC(const SPS *sps, int POCCurr, int GOPid, uint32_t *activeL0, uint32_t *activeL1)
{
  if (m_uiIntraPeriod < 0)  //Only for RA
  {
    *activeL0 = *activeL1 = 0;
    return;
  }
  uint32_t rpl0Idx = GOPid;
  uint32_t rpl1Idx = GOPid;

  int fullListNum = m_iGOPSize;
  int partialListNum = getRPLCandidateSize(0) - m_iGOPSize;
  int extraNum = fullListNum;
  if (m_uiIntraPeriod < 0)
  {
    if (POCCurr < 10)
    {
      rpl0Idx = POCCurr + m_iGOPSize - 1;
      rpl1Idx = POCCurr + m_iGOPSize - 1;
    }
    else
    {
      rpl0Idx = (POCCurr%m_iGOPSize == 0) ? m_iGOPSize - 1 : POCCurr%m_iGOPSize - 1;
      rpl1Idx = (POCCurr%m_iGOPSize == 0) ? m_iGOPSize - 1 : POCCurr%m_iGOPSize - 1;
    }
    extraNum = fullListNum + partialListNum;
  }
  for (; extraNum<fullListNum + partialListNum; extraNum++)
  {
    if (m_uiIntraPeriod > 0 && getDecodingRefreshType() > 0)
    {
      int POCIndex = POCCurr%m_uiIntraPeriod;
      if (POCIndex == 0)
        POCIndex = m_uiIntraPeriod;
      if (POCIndex == m_RPLList0[extraNum].m_POC)
      {
        rpl0Idx = extraNum;
        rpl1Idx = extraNum;
        extraNum++;
      }
    }
  }

  const ReferencePictureList *rpl0 = sps->getRPLList0()->getReferencePictureList(rpl0Idx);
  *activeL0 = rpl0->getNumberOfActivePictures();
  const ReferencePictureList *rpl1 = sps->getRPLList1()->getReferencePictureList(rpl1Idx);
  *activeL1 = rpl1->getNumberOfActivePictures();
}

void EncLib::selectReferencePictureList(Slice* slice, int POCCurr, int GOPid, int ltPoc)
{
  bool isEncodeLtRef = (POCCurr == ltPoc);
  if (m_compositeRefEnabled && isEncodeLtRef)
  {
    POCCurr++;
  }

  slice->setRPL0idx(GOPid);
  slice->setRPL1idx(GOPid);

  int fullListNum = m_iGOPSize;
  int partialListNum = getRPLCandidateSize(0) - m_iGOPSize;
  int extraNum = fullListNum;
  if (m_uiIntraPeriod < 0)
  {
    if (POCCurr < 10)
    {
      slice->setRPL0idx(POCCurr + m_iGOPSize - 1);
      slice->setRPL1idx(POCCurr + m_iGOPSize - 1);
    }
    else
    {
      slice->setRPL0idx((POCCurr%m_iGOPSize == 0) ? m_iGOPSize - 1 : POCCurr%m_iGOPSize - 1);
      slice->setRPL1idx((POCCurr%m_iGOPSize == 0) ? m_iGOPSize - 1 : POCCurr%m_iGOPSize - 1);
    }
    extraNum = fullListNum + partialListNum;
  }
  for (; extraNum < fullListNum + partialListNum; extraNum++)
  {
    if (m_uiIntraPeriod > 0 && getDecodingRefreshType() > 0)
    {
      int POCIndex = POCCurr%m_uiIntraPeriod;
      if (POCIndex == 0)
        POCIndex = m_uiIntraPeriod;
      if (POCIndex == m_RPLList0[extraNum].m_POC)
      {
        slice->setRPL0idx(extraNum);
        slice->setRPL1idx(extraNum);
        extraNum++;
      }
    }
  }

  const ReferencePictureList *rpl0 = (slice->getSPS()->getRPLList0()->getReferencePictureList(slice->getRPL0idx()));
  const ReferencePictureList *rpl1 = (slice->getSPS()->getRPLList1()->getReferencePictureList(slice->getRPL1idx()));
  slice->setRPL0(rpl0);
  slice->setRPL1(rpl1);
}

void  EncLib::xInitPPSforTiles(PPS &pps)
{
  if ( (m_iNumColumnsMinus1==0) && (m_iNumRowsMinus1==0) )
  {
    // one, no bricks
    pps.setSingleTileInPicFlag(true);
    pps.setSingleBrickPerSliceFlag(true);
    pps.setRectSliceFlag(true);
  }
  else
  {
    pps.setSingleTileInPicFlag(false);
    pps.setSingleBrickPerSliceFlag( m_sliceMode==SINGLE_BRICK_PER_SLICE );
    pps.setRectSliceFlag( m_sliceMode==SINGLE_BRICK_PER_SLICE );
    if (m_rectSliceFlag)
      pps.setRectSliceFlag(m_rectSliceFlag);
  }
  pps.setUniformTileSpacingFlag( m_tileUniformSpacingFlag );
  pps.setNumTileColumnsMinus1( m_iNumColumnsMinus1 );
  pps.setNumTileRowsMinus1( m_iNumRowsMinus1 );
  if( !m_tileUniformSpacingFlag )
  {
    pps.setTileColumnWidth( m_tileColumnWidth );
    pps.setTileRowHeight( m_tileRowHeight );
  }
  else
  {
    pps.setTileColsWidthMinus1(m_uniformTileColsWidthMinus1);
    pps.setTileRowsHeightMinus1(m_uniformTileRowHeightMinus1);
  }
  pps.setLoopFilterAcrossBricksEnabledFlag( m_loopFilterAcrossBricksEnabledFlag );

  //pps.setRectSliceFlag( m_rectSliceFlag );
  pps.setNumSlicesInPicMinus1( m_numSlicesInPicMinus1 );
  pps.setTopLeftBrickIdx(m_topLeftBrickIdx);
  pps.setBottomRightBrickIdx(m_bottomRightBrickIdx);
  if (m_numSlicesInPicMinus1 > 0)
  {
    std::vector<int> bottomrightdelta(m_numSlicesInPicMinus1 + 1);
    for (int i = 0; i < m_numSlicesInPicMinus1 + 1; i++)
    {
      bottomrightdelta[i] = (i == 0) ? m_bottomRightBrickIdx[i] : m_bottomRightBrickIdx[i] - m_bottomRightBrickIdx[i - 1];
    }
    pps.setBottomRightBrickIdxDelta(bottomrightdelta);
  }

  pps.setLoopFilterAcrossBricksEnabledFlag( m_loopFilterAcrossBricksEnabledFlag );
  pps.setLoopFilterAcrossSlicesEnabledFlag( m_loopFilterAcrossSlicesEnabledFlag );
  pps.setSignalledSliceIdFlag( m_signalledSliceIdFlag );
  pps.setSignalledSliceIdLengthMinus1( m_signalledSliceIdLengthMinus1 );
  pps.setSignalledSliceIdFlag( m_signalledSliceIdFlag );
  pps.setSignalledSliceIdLengthMinus1( m_signalledSliceIdLengthMinus1 );
  pps.setSliceId( m_sliceId );

  int numTiles= (m_iNumColumnsMinus1 + 1) * (m_iNumRowsMinus1 + 1);
  pps.setNumTilesInPic(numTiles);
  std::vector<int> tileHeight(numTiles);

  if (m_brickSplitMap.empty())
  {
    pps.setBrickSplittingPresentFlag(false);
  }
  else
  {
    pps.setBrickSplittingPresentFlag(true);

    std::vector<bool> brickSplitFlag (numTiles, false);
    std::vector<bool> uniformBrickSpacingFlag (numTiles, false);
    std::vector<int>  brickHeightMinus1 (numTiles, 0);
    std::vector<int> numBrickRowsMinus2(numTiles, 0);
    std::vector<std::vector<int>>  brickRowHeightMinus1 (numTiles);

    for (auto &brickSplit: m_brickSplitMap)
    {
      int tileIdx = brickSplit.first;
      CHECK ( tileIdx >= numTiles, "Brick split specified for undefined tile");

      brickSplitFlag[tileIdx]           = true;
      uniformBrickSpacingFlag [tileIdx] = brickSplit.second.m_uniformSplit;
      if (uniformBrickSpacingFlag [tileIdx])
      {
        brickHeightMinus1[tileIdx]=brickSplit.second.m_uniformHeight - 1;
      }
      else
      {
        numBrickRowsMinus2[tileIdx] = brickSplit.second.m_numSplits - 1;
        brickRowHeightMinus1[tileIdx].resize(brickSplit.second.m_numSplits);
        for (int i=0; i<brickSplit.second.m_numSplits; i++)
        {
          brickRowHeightMinus1[tileIdx][i]=brickSplit.second.m_brickHeight[i] - 1;
        }
      }
    }
    pps.setBrickSplitFlag(brickSplitFlag);
    pps.setUniformBrickSpacingFlag(uniformBrickSpacingFlag);
    pps.setBrickHeightMinus1(brickHeightMinus1);
    pps.setNumBrickRowsMinus2(numBrickRowsMinus2);
    pps.setBrickRowHeightMinus1(brickRowHeightMinus1);

    // check brick dimensions
    std::vector<uint32_t> tileRowHeight (m_iNumRowsMinus1+1);
    int picHeightInCtus = (getSourceHeight() + m_maxCUHeight - 1) / m_maxCUHeight;

    // calculate all tile row heights
    if( pps.getUniformTileSpacingFlag() )
    {
      //set width and height for each (uniform) tile
      for(int row=0; row < m_iNumRowsMinus1 + 1; row++)
      {
        tileRowHeight[row] = (row+1)*picHeightInCtus/(m_iNumRowsMinus1+1)   - (row*picHeightInCtus)/(m_iNumRowsMinus1 + 1);
      }
    }
    else
    {
      tileRowHeight[ m_iNumRowsMinus1 ] = picHeightInCtus;
      for( int j = 0; j < m_iNumRowsMinus1; j++ )
      {
        tileRowHeight[ j ] = pps.getTileRowHeight( j );
        tileRowHeight[ m_iNumRowsMinus1 ]  =  tileRowHeight[ m_iNumRowsMinus1 ] - pps.getTileRowHeight( j );
      }
    }

    // check brick splits for each tile
    for (int tileIdx=0; tileIdx < numTiles; tileIdx++)
    {
      const int tileY = tileIdx / (m_iNumColumnsMinus1 + 1);

      tileHeight[tileIdx] = tileRowHeight[tileY];

      if (tileHeight[tileIdx] <= 1)
      {
        CHECK(pps.getBrickSplitFlag(tileIdx) != 0, "The value of brick_split_flag[ i ] shall be 0 if tileHeight <= 1");
      }
      if (pps.getBrickSplitFlag(tileIdx))
      {
        if (tileHeight[tileIdx] <= 2)
        {
          CHECK(pps.getUniformBrickSpacingFlag(tileIdx) != 1, "The value of uniform_brick_spacing_flag[ i ] shall be 1 if tileHeight <= 2");
        }
        if (pps.getUniformBrickSpacingFlag(tileIdx))
        {
          CHECK((pps.getBrickHeightMinus1(tileIdx) + 1) >= tileHeight[tileIdx], "Brick height larger than or equal to tile height");
        }
        else
        {
          int cumulativeHeight=0;
          for (int i = 0; i <= pps.getNumBrickRowsMinus2(tileIdx); i++)
          {
            cumulativeHeight += pps.getBrickRowHeightMinus1(tileIdx, i) + 1;
          }
          CHECK(cumulativeHeight >= tileHeight[tileIdx], "Cumulative brick height larger than or equal to tile height");
        }
      }
    }
  }
  pps.setTileHeight(tileHeight);
}

void  EncCfg::xCheckGSParameters()
{
  int   iWidthInCU = ( m_iSourceWidth%m_maxCUWidth ) ? m_iSourceWidth/m_maxCUWidth + 1 : m_iSourceWidth/m_maxCUWidth;
  int   iHeightInCU = ( m_iSourceHeight%m_maxCUHeight ) ? m_iSourceHeight/m_maxCUHeight + 1 : m_iSourceHeight/m_maxCUHeight;
  uint32_t  uiCummulativeColumnWidth = 0;
  uint32_t  uiCummulativeRowHeight = 0;

  if (m_tileUniformSpacingFlag && m_uniformTileColsWidthMinus1 == -1)
  {
    EXIT("Uniform tiles specified with unspecified or invalid UniformTileColsWidthMinus1 value");
  }
  if (m_tileUniformSpacingFlag && m_uniformTileRowHeightMinus1 == -1)
  {
    EXIT("Uniform tiles specified with unspecified or invalid UniformTileRowHeightMinus1 value");
  }
  if (m_tileUniformSpacingFlag && m_uniformTileColsWidthMinus1 >= iWidthInCU)
  {
    EXIT("UniformTileColsWidthMinus1 too large");
  }
  if (m_tileUniformSpacingFlag && m_uniformTileRowHeightMinus1 >= iHeightInCU)
  {
    EXIT("UniformTileRowHeightMinus1 too large");
  }

  //check the column relative parameters
  if( m_iNumColumnsMinus1 >= (1<<(LOG2_MAX_NUM_COLUMNS_MINUS1+1)) )
  {
    EXIT( "The number of columns is larger than the maximum allowed number of columns." );
  }

  if( m_iNumColumnsMinus1 >= iWidthInCU )
  {
    EXIT( "The current picture can not have so many columns." );
  }

  if( m_iNumColumnsMinus1 && !m_tileUniformSpacingFlag )
  {
    for(int i=0; i<m_iNumColumnsMinus1; i++)
    {
      uiCummulativeColumnWidth += m_tileColumnWidth[i];
    }

    if( uiCummulativeColumnWidth >= iWidthInCU )
    {
      EXIT( "The width of the column is too large." );
    }
  }

  //check the row relative parameters
  if( m_iNumRowsMinus1 >= (1<<(LOG2_MAX_NUM_ROWS_MINUS1+1)) )
  {
    EXIT( "The number of rows is larger than the maximum allowed number of rows." );
  }

  if( m_iNumRowsMinus1 >= iHeightInCU )
  {
    EXIT( "The current picture can not have so many rows." );
  }

  if( m_iNumRowsMinus1 && !m_tileUniformSpacingFlag )
  {
    for(int i=0; i<m_iNumRowsMinus1; i++)
    {
      uiCummulativeRowHeight += m_tileRowHeight[i];
    }

    if( uiCummulativeRowHeight >= iHeightInCU )
    {
      EXIT( "The height of the row is too large." );
    }
  }
}

void EncLib::setParamSetChanged(int spsId, int ppsId)
{
  m_ppsMap.setChangedFlag(ppsId);
  m_spsMap.setChangedFlag(spsId);
}
bool EncLib::APSNeedsWriting(int apsId)
{
  bool isChanged = m_apsMap.getChangedFlag(apsId);
  m_apsMap.clearChangedFlag(apsId);
  return isChanged;
}

bool EncLib::PPSNeedsWriting(int ppsId)
{
  bool bChanged=m_ppsMap.getChangedFlag(ppsId);
  m_ppsMap.clearChangedFlag(ppsId);
  return bChanged;
}

bool EncLib::SPSNeedsWriting(int spsId)
{
  bool bChanged=m_spsMap.getChangedFlag(spsId);
  m_spsMap.clearChangedFlag(spsId);
  return bChanged;
}

void EncLib::checkPltStats( Picture* pic )
{
  int totalArea = 0;
  int pltArea = 0;
  for (auto apu : pic->cs->pus)
  {
    for (int i = 0; i < MAX_NUM_TBLOCKS; ++i)
    {
      int puArea = apu->blocks[i].width * apu->blocks[i].height;
      if (apu->blocks[i].width > 0 && apu->blocks[i].height > 0)
      {
        totalArea += puArea;
        if (CU::isPLT(*apu->cu) || CU::isIBC(*apu->cu))
        {
          pltArea += puArea;
        }
        break;
      }

    }
  }
  if (pltArea * PLT_FAST_RATIO < totalArea)
  {
    m_doPlt = false;
  }
  else
  {
    m_doPlt = true;
  }
}

#if X0038_LAMBDA_FROM_QP_CAPABILITY
int EncCfg::getQPForPicture(const uint32_t gopIndex, const Slice *pSlice) const
{
  const int lumaQpBDOffset = pSlice->getSPS()->getQpBDOffset(CHANNEL_TYPE_LUMA);
  int qp;

  if (getCostMode()==COST_LOSSLESS_CODING)
  {
    qp=LOSSLESS_AND_MIXED_LOSSLESS_RD_COST_TEST_QP;
  }
  else
  {
    const SliceType sliceType=pSlice->getSliceType();

    qp = getBaseQP();

    // switch at specific qp and keep this qp offset
    static int appliedSwitchDQQ = 0; /* TODO: MT */
    if( pSlice->getPOC() == getSwitchPOC() )
    {
      appliedSwitchDQQ = getSwitchDQP();
    }
    qp += appliedSwitchDQQ;

#if QP_SWITCHING_FOR_PARALLEL
    const int* pdQPs = getdQPs();
    if ( pdQPs )
    {
      qp += pdQPs[pSlice->getPOC() / (m_compositeRefEnabled ? 2 : 1)];
    }
#endif

    if(sliceType==I_SLICE)
    {
      qp += getIntraQPOffset();
    }
    else
    {
#if SHARP_LUMA_DELTA_QP
      // Only adjust QP when not lossless
      if (!(( getMaxDeltaQP() == 0 ) && (!getLumaLevelToDeltaQPMapping().isEnabled()) && (qp == -lumaQpBDOffset ) && (pSlice->getPPS()->getTransquantBypassEnabledFlag())))
#else
      if (!(( getMaxDeltaQP() == 0 ) && (qp == -lumaQpBDOffset ) && (pSlice->getPPS()->getTransquantBypassEnabledFlag())))
#endif

      {
        const GOPEntry &gopEntry=getGOPEntry(gopIndex);
        // adjust QP according to the QP offset for the GOP entry.
        qp +=gopEntry.m_QPOffset;

        // adjust QP according to QPOffsetModel for the GOP entry.
        double dqpOffset=qp*gopEntry.m_QPOffsetModelScale+gopEntry.m_QPOffsetModelOffset+0.5;
        int qpOffset = (int)floor(Clip3<double>(0.0, 3.0, dqpOffset));
        qp += qpOffset ;
      }
    }

#if !QP_SWITCHING_FOR_PARALLEL
    // modify QP if a fractional QP was originally specified, cause dQPs to be 0 or 1.
    const int* pdQPs = getdQPs();
    if ( pdQPs )
    {
      qp += pdQPs[ pSlice->getPOC() ];
    }
#endif
  }
  qp = Clip3( -lumaQpBDOffset, MAX_QP, qp );
  return qp;
}
#endif


//! \}