EncLib.cpp

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/** \file     EncLib.cpp
    \brief    encoder class
*/
#include "EncLib.h"

#include "EncModeCtrl.h"
#include "AQp.h"
#include "EncCu.h"

#include "CommonLib/Picture.h"
#include "CommonLib/CommonDef.h"
#include "CommonLib/ChromaFormat.h"
#if ENABLE_SPLIT_PARALLELISM
#include <omp.h>
#endif
#include "EncLibCommon.h"

//! \ingroup EncoderLib
//! \{

// ====================================================================================================================
// Constructor / destructor / create / destroy
// ====================================================================================================================

EncLib::EncLib( EncLibCommon* encLibCommon )
  : m_cListPic( encLibCommon->getPictureBuffer() )
  , m_cEncALF( encLibCommon->getApsIdStart() )
  , m_spsMap( encLibCommon->getSpsMap() )
  , m_ppsMap( encLibCommon->getPpsMap() )
  , m_apsMap( encLibCommon->getApsMap() )
  , m_AUWriterIf( nullptr )
#if JVET_J0090_MEMORY_BANDWITH_MEASURE
  , m_cacheModel()
#endif
  , m_lmcsAPS(nullptr)
  , m_scalinglistAPS( nullptr )
  , m_doPlt( true )
{
  m_iPOCLast          = -1;
  m_iNumPicRcvd       =  0;
  m_uiNumAllPicCoded  =  0;

  m_iMaxRefPicNum     = 0;

#if ENABLE_SIMD_OPT_BUFFER
  g_pelBufOP.initPelBufOpsX86();
#endif

#if JVET_O0756_CALCULATE_HDRMETRICS
  m_metricTime = std::chrono::milliseconds(0);
#endif

  memset(m_apss, 0, sizeof(m_apss));

  m_layerId = NOT_VALID;
  m_picIdInGOP = NOT_VALID;
}

EncLib::~EncLib()
{
}

void EncLib::create( const int layerId )
{
  m_layerId = layerId;
  m_iPOCLast = m_compositeRefEnabled ? -2 : -1;
  // create processing unit classes
  m_cGOPEncoder.        create( );
#if ENABLE_SPLIT_PARALLELISM
#if ENABLE_SPLIT_PARALLELISM
  m_numCuEncStacks  = m_numSplitThreads == 1 ? 1 : NUM_RESERVERD_SPLIT_JOBS;
#else
  m_numCuEncStacks  = 1;
#endif

  m_cCuEncoder      = new EncCu              [m_numCuEncStacks];
  m_cInterSearch    = new InterSearch        [m_numCuEncStacks];
  m_cIntraSearch    = new IntraSearch        [m_numCuEncStacks];
  m_cTrQuant        = new TrQuant            [m_numCuEncStacks];
  m_CABACEncoder    = new CABACEncoder       [m_numCuEncStacks];
  m_cRdCost         = new RdCost             [m_numCuEncStacks];
  m_CtxCache        = new CtxCache           [m_numCuEncStacks];

  for( int jId = 0; jId < m_numCuEncStacks; jId++ )
  {
    m_cCuEncoder[jId].         create( this );
  }
#else
  m_cCuEncoder.         create( this );
#endif
#if JVET_J0090_MEMORY_BANDWITH_MEASURE
  m_cInterSearch.cacheAssign( &m_cacheModel );
#endif

  m_cLoopFilter.create( m_maxTotalCUDepth );

#if ENABLE_SPLIT_PARALLELISM
  m_cReshaper = new EncReshape[m_numCuEncStacks];
#endif
  if (m_lmcsEnabled)
  {
#if ENABLE_SPLIT_PARALLELISM
    for (int jId = 0; jId < m_numCuEncStacks; jId++)
    {
      m_cReshaper[jId].createEnc(getSourceWidth(), getSourceHeight(), m_maxCUWidth, m_maxCUHeight, m_bitDepth[COMPONENT_Y]);
    }
#else
    m_cReshaper.createEnc( getSourceWidth(), getSourceHeight(), m_maxCUWidth, m_maxCUHeight, m_bitDepth[COMPONENT_Y]);
#endif
  }
  if ( m_RCEnableRateControl )
  {
    m_cRateCtrl.init(m_framesToBeEncoded, m_RCTargetBitrate, (int)((double)m_iFrameRate / m_temporalSubsampleRatio + 0.5), m_iGOPSize, m_iSourceWidth, m_iSourceHeight,
      m_maxCUWidth, m_maxCUHeight, getBitDepth(CHANNEL_TYPE_LUMA), m_RCKeepHierarchicalBit, m_RCUseLCUSeparateModel, m_GOPList);
  }

}

void EncLib::destroy ()
{
  // destroy processing unit classes
  m_cGOPEncoder.        destroy();
  m_cSliceEncoder.      destroy();
#if ENABLE_SPLIT_PARALLELISM
  for( int jId = 0; jId < m_numCuEncStacks; jId++ )
  {
    m_cCuEncoder[jId].destroy();
  }
#else
  m_cCuEncoder.         destroy();
#endif
  if( m_alf )
  {
    m_cEncALF.destroy();
  }
  m_cEncSAO.            destroyEncData();
  m_cEncSAO.            destroy();
  m_cLoopFilter.        destroy();
  m_cRateCtrl.          destroy();
#if ENABLE_SPLIT_PARALLELISM
  for (int jId = 0; jId < m_numCuEncStacks; jId++)
  {
    m_cReshaper[jId].   destroy();
  }
#else
  m_cReshaper.          destroy();
#endif
#if ENABLE_SPLIT_PARALLELISM
  for( int jId = 0; jId < m_numCuEncStacks; jId++ )
  {
    m_cInterSearch[jId].   destroy();
    m_cIntraSearch[jId].   destroy();
  }
#else
  m_cInterSearch.       destroy();
  m_cIntraSearch.       destroy();
#endif

#if ENABLE_SPLIT_PARALLELISM
  delete[] m_cCuEncoder;
  delete[] m_cInterSearch;
  delete[] m_cIntraSearch;
  delete[] m_cTrQuant;
  delete[] m_CABACEncoder;
  delete[] m_cRdCost;
  delete[] m_CtxCache;
#endif

  return;
}

void EncLib::init( bool isFieldCoding, AUWriterIf* auWriterIf )
{
  m_AUWriterIf = auWriterIf;

  SPS &sps0=*(m_spsMap.allocatePS(0)); // NOTE: implementations that use more than 1 SPS need to be aware of activation issues.
  PPS &pps0 = *( m_ppsMap.allocatePS( m_layerId ) );
  APS &aps0 = *( m_apsMap.allocatePS( SCALING_LIST_APS ) );
  aps0.setAPSId( 0 );
  aps0.setAPSType( SCALING_LIST_APS );

  // initialize SPS
  xInitSPS( sps0, m_cVPS );
#if JVET_P0185
  xInitVPS(m_cVPS, sps0);
#else
  xInitVPS(m_cVPS);
#endif

  int dpsId = getDecodingParameterSetEnabled() ? 1 : 0;
  xInitDPS(m_dps, sps0, dpsId);
  sps0.setDecodingParameterSetId(m_dps.getDecodingParameterSetId());

#if ENABLE_SPLIT_PARALLELISM
  if( omp_get_dynamic() )
  {
    omp_set_dynamic( false );
  }
  omp_set_nested( true );
#endif

  if (getUseCompositeRef() || getDependentRAPIndicationSEIEnabled())
  {
    sps0.setLongTermRefsPresent(true);
  }

#if U0132_TARGET_BITS_SATURATION
  if (m_RCCpbSaturationEnabled)
  {
    m_cRateCtrl.initHrdParam(sps0.getHrdParameters(), m_iFrameRate, m_RCInitialCpbFullness);
  }
#endif
#if ENABLE_SPLIT_PARALLELISM
  for( int jId = 0; jId < m_numCuEncStacks; jId++ )
  {
    m_cRdCost[jId].setCostMode ( m_costMode );
  }
#else
  m_cRdCost.setCostMode ( m_costMode );
#endif

  // initialize PPS
  pps0.setPicWidthInLumaSamples( m_iSourceWidth );
  pps0.setPicHeightInLumaSamples( m_iSourceHeight );
  pps0.setConformanceWindow( m_conformanceWindow );
  xInitPPS(pps0, sps0);
  // initialize APS
  xInitRPL(sps0, isFieldCoding);

  if( m_rprEnabled )
  {
    PPS &pps = *( m_ppsMap.allocatePS( ENC_PPS_ID_RPR ) );
    Window& inputScalingWindow = pps0.getScalingWindow();
    int scaledWidth = int( ( pps0.getPicWidthInLumaSamples() - inputScalingWindow.getWindowLeftOffset() - inputScalingWindow.getWindowRightOffset() ) / m_scalingRatioHor );
    int minSizeUnit = std::max(8, (int)(sps0.getMaxCUHeight() >> (sps0.getMaxCodingDepth() - 1)));
    int temp = scaledWidth / minSizeUnit;
    int width = ( scaledWidth - ( temp * minSizeUnit) > 0 ? temp + 1 : temp ) * minSizeUnit;

    int scaledHeight = int( ( pps0.getPicHeightInLumaSamples() - inputScalingWindow.getWindowTopOffset() - inputScalingWindow.getWindowBottomOffset() ) / m_scalingRatioVer );
    temp = scaledHeight / minSizeUnit;
    int height = ( scaledHeight - ( temp * minSizeUnit) > 0 ? temp + 1 : temp ) * minSizeUnit;

    pps.setPicWidthInLumaSamples( width );
    pps.setPicHeightInLumaSamples( height );

    Window conformanceWindow;
    conformanceWindow.setWindow( 0, ( width - scaledWidth ) / SPS::getWinUnitX( sps0.getChromaFormatIdc() ), 0, ( height - scaledHeight ) / SPS::getWinUnitY( sps0.getChromaFormatIdc() ) );
    pps.setConformanceWindow( conformanceWindow );

    Window scalingWindow;
    scalingWindow.setWindow( 0, width - scaledWidth, 0, height - scaledHeight );
    pps.setScalingWindow( scalingWindow );

    // disable picture partitioning for scaled RPR pictures (slice/tile config only provided for the original resolution)
    m_noPicPartitionFlag = true;

    xInitPPS( pps, sps0 ); // will allocate memory for and initialize pps.pcv inside
  }

#if ER_CHROMA_QP_WCG_PPS
  if (m_wcgChromaQpControl.isEnabled())
  {
    PPS &pps1=*(m_ppsMap.allocatePS(1));
    xInitPPS(pps1, sps0);
  }
#endif
  if (getUseCompositeRef())
  {
    PPS &pps2 = *(m_ppsMap.allocatePS(2));
    xInitPPS(pps2, sps0);
    xInitPPSforLT(pps2);
  }
  xInitPicHeader(m_picHeader, sps0, pps0);

  // initialize processing unit classes
  m_cGOPEncoder.  init( this );
  m_cSliceEncoder.init( this, sps0 );
#if ENABLE_SPLIT_PARALLELISM
  for( int jId = 0; jId < m_numCuEncStacks; jId++ )
  {
    // precache a few objects
    for( int i = 0; i < 10; i++ )
    {
      auto x = m_CtxCache[jId].get();
      m_CtxCache[jId].cache( x );
    }

    m_cCuEncoder[jId].init( this, sps0, jId );

    // initialize transform & quantization class
    m_cTrQuant[jId].init( jId == 0 ? nullptr : m_cTrQuant[0].getQuant(),
                          1 << m_log2MaxTbSize,

                          m_useRDOQ,
                          m_useRDOQTS,
#if T0196_SELECTIVE_RDOQ
                          m_useSelectiveRDOQ,
#endif
                          true
    );

    // initialize encoder search class
    CABACWriter* cabacEstimator = m_CABACEncoder[jId].getCABACEstimator( &sps0 );
    m_cIntraSearch[jId].init( this,
                              &m_cTrQuant[jId],
                              &m_cRdCost[jId],
                              cabacEstimator,
                              getCtxCache( jId ), m_maxCUWidth, m_maxCUHeight, m_maxTotalCUDepth
                            , &m_cReshaper[jId]
                            , sps0.getBitDepth(CHANNEL_TYPE_LUMA)
    );
    m_cInterSearch[jId].init( this,
                              &m_cTrQuant[jId],
                              m_iSearchRange,
                              m_bipredSearchRange,
                              m_motionEstimationSearchMethod,
                              getUseCompositeRef(),
                              m_maxCUWidth, m_maxCUHeight, m_maxTotalCUDepth, &m_cRdCost[jId], cabacEstimator, getCtxCache( jId )
                           , &m_cReshaper[jId]
    );

    // link temporary buffets from intra search with inter search to avoid unnecessary memory overhead
    m_cInterSearch[jId].setTempBuffers( m_cIntraSearch[jId].getSplitCSBuf(), m_cIntraSearch[jId].getFullCSBuf(), m_cIntraSearch[jId].getSaveCSBuf() );
  }
#else  // ENABLE_SPLIT_PARALLELISM || ENABLE_WPP_PARALLELISM
  m_cCuEncoder.   init( this, sps0 );

  // initialize transform & quantization class
  m_cTrQuant.init( nullptr,
                   1 << m_log2MaxTbSize,
                   m_useRDOQ,
                   m_useRDOQTS,
#if T0196_SELECTIVE_RDOQ
                   m_useSelectiveRDOQ,
#endif
                   true
  );

  // initialize encoder search class
  CABACWriter* cabacEstimator = m_CABACEncoder.getCABACEstimator(&sps0);
  m_cIntraSearch.init( this,
                       &m_cTrQuant,
                       &m_cRdCost,
                       cabacEstimator,
                       getCtxCache(), m_maxCUWidth, m_maxCUHeight, m_maxTotalCUDepth
                     , &m_cReshaper
                     , sps0.getBitDepth(CHANNEL_TYPE_LUMA)
  );
  m_cInterSearch.init( this,
                       &m_cTrQuant,
                       m_iSearchRange,
                       m_bipredSearchRange,
                       m_motionEstimationSearchMethod,
                       getUseCompositeRef(),
    m_maxCUWidth, m_maxCUHeight, m_maxTotalCUDepth, &m_cRdCost, cabacEstimator, getCtxCache()
                     , &m_cReshaper
  );

  // link temporary buffets from intra search with inter search to avoid unneccessary memory overhead
  m_cInterSearch.setTempBuffers( m_cIntraSearch.getSplitCSBuf(), m_cIntraSearch.getFullCSBuf(), m_cIntraSearch.getSaveCSBuf() );
#endif // ENABLE_SPLIT_PARALLELISM || ENABLE_WPP_PARALLELISM

  m_iMaxRefPicNum = 0;

#if ER_CHROMA_QP_WCG_PPS
  if( m_wcgChromaQpControl.isEnabled() )
  {
    xInitScalingLists( sps0, *m_apsMap.getPS( 1 ) );
    xInitScalingLists( sps0, aps0 );
  }
  else
#endif
  {
    xInitScalingLists( sps0, aps0 );
  }
  if( m_rprEnabled )
  {
    xInitScalingLists( sps0, *m_apsMap.getPS( ENC_PPS_ID_RPR ) );
  }
  if (getUseCompositeRef())
  {
    Picture *picBg = new Picture;
    picBg->create( sps0.getChromaFormatIdc(), Size( pps0.getPicWidthInLumaSamples(), pps0.getPicHeightInLumaSamples() ), sps0.getMaxCUWidth(), sps0.getMaxCUWidth() + 16, false, m_layerId );
    picBg->getRecoBuf().fill(0);
    picBg->finalInit( &m_cVPS, sps0, pps0, &m_picHeader, m_apss, m_lmcsAPS, m_scalinglistAPS );
    picBg->allocateNewSlice();
    picBg->createSpliceIdx(pps0.pcv->sizeInCtus);
    m_cGOPEncoder.setPicBg(picBg);
    Picture *picOrig = new Picture;
    picOrig->create( sps0.getChromaFormatIdc(), Size( pps0.getPicWidthInLumaSamples(), pps0.getPicHeightInLumaSamples() ), sps0.getMaxCUWidth(), sps0.getMaxCUWidth() + 16, false, m_layerId );
    picOrig->getOrigBuf().fill(0);
    m_cGOPEncoder.setPicOrig(picOrig);
  }
}

void EncLib::xInitScalingLists( SPS &sps, APS &aps )
{
  // Initialise scaling lists
  // The encoder will only use the SPS scaling lists. The PPS will never be marked present.
  const int maxLog2TrDynamicRange[MAX_NUM_CHANNEL_TYPE] =
  {
    sps.getMaxLog2TrDynamicRange(CHANNEL_TYPE_LUMA),
    sps.getMaxLog2TrDynamicRange(CHANNEL_TYPE_CHROMA)
  };

  Quant* quant = getTrQuant()->getQuant();

  if(getUseScalingListId() == SCALING_LIST_OFF)
  {
    quant->setFlatScalingList(maxLog2TrDynamicRange, sps.getBitDepths());
    quant->setUseScalingList(false);
#if ENABLE_SPLIT_PARALLELISM
    for( int jId = 1; jId < m_numCuEncStacks; jId++ )
    {
      getTrQuant( jId )->getQuant()->setFlatScalingList( maxLog2TrDynamicRange, sps.getBitDepths() );
      getTrQuant( jId )->getQuant()->setUseScalingList( false );
    }
#endif
  }
  else if(getUseScalingListId() == SCALING_LIST_DEFAULT)
  {
    aps.getScalingList().setDefaultScalingList ();
    quant->setScalingList( &( aps.getScalingList() ), maxLog2TrDynamicRange, sps.getBitDepths() );
    quant->setUseScalingList(true);
#if ENABLE_SPLIT_PARALLELISM
    for( int jId = 1; jId < m_numCuEncStacks; jId++ )
    {
      getTrQuant( jId )->getQuant()->setUseScalingList( true );
    }
    aps.getScalingList().setDisableScalingMatrixForLfnstBlks(getDisableScalingMatrixForLfnstBlks());
#endif
  }
  else if(getUseScalingListId() == SCALING_LIST_FILE_READ)
  {
    aps.getScalingList().setDefaultScalingList();
    CHECK( aps.getScalingList().xParseScalingList( getScalingListFileName() ), "Error Parsing Scaling List Input File" );
    aps.getScalingList().checkDcOfMatrix();
    if( aps.getScalingList().isNotDefaultScalingList() == false )
    {
      setUseScalingListId( SCALING_LIST_DEFAULT );
    }
    quant->setScalingList( &( aps.getScalingList() ), maxLog2TrDynamicRange, sps.getBitDepths() );
    quant->setUseScalingList(true);
#if ENABLE_SPLIT_PARALLELISM
    for( int jId = 1; jId < m_numCuEncStacks; jId++ )
    {
      getTrQuant( jId )->getQuant()->setUseScalingList( true );
    }
#endif
    aps.getScalingList().setDisableScalingMatrixForLfnstBlks(getDisableScalingMatrixForLfnstBlks());
  }
  else
  {
    THROW("error : ScalingList == " << getUseScalingListId() << " not supported\n");
  }

  if( getUseScalingListId() == SCALING_LIST_FILE_READ )
  {
    // Prepare delta's:
    for (uint32_t scalingListId = 0; scalingListId < 28; scalingListId++)
    {
        aps.getScalingList().checkPredMode(scalingListId);
    }
  }
}

void EncLib::xInitPPSforLT(PPS& pps)
{
  pps.setOutputFlagPresentFlag(true);
  pps.setDeblockingFilterControlPresentFlag(true);
  pps.setPPSDeblockingFilterDisabledFlag(true);
}

// ====================================================================================================================
// Public member functions
// ====================================================================================================================

void EncLib::deletePicBuffer()
{
  PicList::iterator iterPic = m_cListPic.begin();
  int iSize = int( m_cListPic.size() );

  for ( int i = 0; i < iSize; i++ )
  {
    Picture* pcPic = *(iterPic++);

    pcPic->destroy();

    // get rid of the qpadaption layer
    while( pcPic->aqlayer.size() )
    {
      delete pcPic->aqlayer.back(); pcPic->aqlayer.pop_back();
    }

    delete pcPic;
    pcPic = NULL;
  }

  m_cListPic.clear();
}

bool EncLib::encodePrep( bool flush, PelStorage* pcPicYuvOrg, PelStorage* cPicYuvTrueOrg, const InputColourSpaceConversion snrCSC, std::list<PelUnitBuf*>& rcListPicYuvRecOut, int& iNumEncoded )
{
  if( m_compositeRefEnabled && m_cGOPEncoder.getPicBg()->getSpliceFull() && m_iPOCLast >= 10 && m_iNumPicRcvd == 0 && m_cGOPEncoder.getEncodedLTRef() == false )
  {
    Picture* picCurr = NULL;
    xGetNewPicBuffer( rcListPicYuvRecOut, picCurr, 2 );
    const PPS *pps = m_ppsMap.getPS( 2 );
    const SPS *sps = m_spsMap.getPS( pps->getSPSId() );

    picCurr->M_BUFS( 0, PIC_ORIGINAL ).copyFrom( m_cGOPEncoder.getPicBg()->getRecoBuf() );
    picCurr->finalInit( &m_cVPS, *sps, *pps, &m_picHeader, m_apss, m_lmcsAPS, m_scalinglistAPS );
    picCurr->poc = m_iPOCLast - 1;
    m_iPOCLast -= 2;
    if( getUseAdaptiveQP() )
    {
      AQpPreanalyzer::preanalyze( picCurr );
    }
    if( m_RCEnableRateControl )
    {
      m_cRateCtrl.initRCGOP( m_iNumPicRcvd );
    }

    m_cGOPEncoder.compressGOP( m_iPOCLast, m_iNumPicRcvd, m_cListPic, rcListPicYuvRecOut, false, false, snrCSC, m_printFrameMSE, true, 0 );

#if JVET_O0756_CALCULATE_HDRMETRICS
    m_metricTime = m_cGOPEncoder.getMetricTime();
#endif
    m_cGOPEncoder.setEncodedLTRef( true );
    if( m_RCEnableRateControl )
    {
      m_cRateCtrl.destroyRCGOP();
    }

    iNumEncoded = 0;
    m_iNumPicRcvd = 0;
  }

  //PROF_ACCUM_AND_START_NEW_SET( getProfilerPic(), P_GOP_LEVEL );
  if( pcPicYuvOrg != NULL )
  {
    // get original YUV
    Picture* pcPicCurr = NULL;

    int ppsID = -1; // Use default PPS ID
#if ER_CHROMA_QP_WCG_PPS
    if( getWCGChromaQPControl().isEnabled() )
    {
      ppsID = getdQPs()[m_iPOCLast / ( m_compositeRefEnabled ? 2 : 1 ) + 1];
      ppsID += ( getSwitchPOC() != -1 && ( m_iPOCLast + 1 >= getSwitchPOC() ) ? 1 : 0 );
    }
#endif

    if( m_rprEnabled && m_uiIntraPeriod == -1 )
    {
      const int poc = m_iPOCLast + ( m_compositeRefEnabled ? 2 : 1 );

      if( poc / m_switchPocPeriod % 2 )
      {
        ppsID = ENC_PPS_ID_RPR;
      }
      else
      {
        ppsID = 0;
      }
    }

    if( m_cVPS.getMaxLayers() > 1 )
    {
      ppsID = m_layerId;
    }

    xGetNewPicBuffer( rcListPicYuvRecOut, pcPicCurr, ppsID );

    const PPS *pPPS = ( ppsID < 0 ) ? m_ppsMap.getFirstPS() : m_ppsMap.getPS( ppsID );
    const SPS *pSPS = m_spsMap.getPS( pPPS->getSPSId() );

    if( m_rprEnabled )
    {
      pcPicCurr->M_BUFS( 0, PIC_ORIGINAL_INPUT ).getBuf( COMPONENT_Y ).copyFrom( pcPicYuvOrg->getBuf( COMPONENT_Y ) );
      pcPicCurr->M_BUFS( 0, PIC_ORIGINAL_INPUT ).getBuf( COMPONENT_Cb ).copyFrom( pcPicYuvOrg->getBuf( COMPONENT_Cb ) );
      pcPicCurr->M_BUFS( 0, PIC_ORIGINAL_INPUT ).getBuf( COMPONENT_Cr ).copyFrom( pcPicYuvOrg->getBuf( COMPONENT_Cr ) );

      pcPicCurr->M_BUFS( 0, PIC_TRUE_ORIGINAL_INPUT ).getBuf( COMPONENT_Y ).copyFrom( cPicYuvTrueOrg->getBuf( COMPONENT_Y ) );
      pcPicCurr->M_BUFS( 0, PIC_TRUE_ORIGINAL_INPUT ).getBuf( COMPONENT_Cb ).copyFrom( cPicYuvTrueOrg->getBuf( COMPONENT_Cb ) );
      pcPicCurr->M_BUFS( 0, PIC_TRUE_ORIGINAL_INPUT ).getBuf( COMPONENT_Cr ).copyFrom( cPicYuvTrueOrg->getBuf( COMPONENT_Cr ) );

      const ChromaFormat chromaFormatIDC = pSPS->getChromaFormatIdc();

      const PPS *refPPS = m_ppsMap.getPS( 0 );
      const Window& curScalingWindow = pPPS->getScalingWindow();
      int curPicWidth = pPPS->getPicWidthInLumaSamples() - curScalingWindow.getWindowLeftOffset() - curScalingWindow.getWindowRightOffset();
      int curPicHeight = pPPS->getPicHeightInLumaSamples() - curScalingWindow.getWindowTopOffset() - curScalingWindow.getWindowBottomOffset();

      const Window& refScalingWindow = refPPS->getScalingWindow();
      int refPicWidth = refPPS->getPicWidthInLumaSamples() - refScalingWindow.getWindowLeftOffset() - refScalingWindow.getWindowRightOffset();
      int refPicHeight = refPPS->getPicHeightInLumaSamples() - refScalingWindow.getWindowTopOffset() - refScalingWindow.getWindowBottomOffset();

      int xScale = ( ( refPicWidth << SCALE_RATIO_BITS ) + ( curPicWidth >> 1 ) ) / curPicWidth;
      int yScale = ( ( refPicHeight << SCALE_RATIO_BITS ) + ( curPicHeight >> 1 ) ) / curPicHeight;
      std::pair<int, int> scalingRatio = std::pair<int, int>( xScale, yScale );

      Picture::rescalePicture( scalingRatio, *pcPicYuvOrg, refPPS->getScalingWindow(), pcPicCurr->getOrigBuf(), pPPS->getScalingWindow(), chromaFormatIDC, pSPS->getBitDepths(), true, true,
        pSPS->getHorCollocatedChromaFlag(), pSPS->getVerCollocatedChromaFlag() );
      Picture::rescalePicture( scalingRatio, *cPicYuvTrueOrg, refPPS->getScalingWindow(), pcPicCurr->getTrueOrigBuf(), pPPS->getScalingWindow(), chromaFormatIDC, pSPS->getBitDepths(), true, true,
        pSPS->getHorCollocatedChromaFlag(), pSPS->getVerCollocatedChromaFlag() );
    }
    else
    {
      pcPicCurr->M_BUFS( 0, PIC_ORIGINAL ).swap( *pcPicYuvOrg );
      pcPicCurr->M_BUFS( 0, PIC_TRUE_ORIGINAL ).swap( *cPicYuvTrueOrg );
    }
    pcPicCurr->finalInit( &m_cVPS, *pSPS, *pPPS, &m_picHeader, m_apss, m_lmcsAPS, m_scalinglistAPS );

    pcPicCurr->poc = m_iPOCLast;

    // compute image characteristics
    if( getUseAdaptiveQP() )
    {
      AQpPreanalyzer::preanalyze( pcPicCurr );
    }
  }

  if( ( m_iNumPicRcvd == 0 ) || ( !flush && ( m_iPOCLast != 0 ) && ( m_iNumPicRcvd != m_iGOPSize ) && ( m_iGOPSize != 0 ) ) )
  {
    iNumEncoded = 0;
    return true;
  }

  if( m_RCEnableRateControl )
  {
    m_cRateCtrl.initRCGOP( m_iNumPicRcvd );
  }

  m_picIdInGOP = 0;

  return false;
}

/**
 - Application has picture buffer list with size of GOP + 1
 - Picture buffer list acts like as ring buffer
 - End of the list has the latest picture
 .
 \param   flush               cause encoder to encode a partial GOP
 \param   pcPicYuvOrg         original YUV picture
 \param   pcPicYuvTrueOrg
 \param   snrCSC
 \retval  rcListPicYuvRecOut  list of reconstruction YUV pictures
 \retval  accessUnitsOut      list of output access units
 \retval  iNumEncoded         number of encoded pictures
 */

bool EncLib::encode( const InputColourSpaceConversion snrCSC, std::list<PelUnitBuf*>& rcListPicYuvRecOut, int& iNumEncoded )
{ 
  // compress GOP
  m_cGOPEncoder.compressGOP( m_iPOCLast, m_iNumPicRcvd, m_cListPic, rcListPicYuvRecOut,
    false, false, snrCSC, m_printFrameMSE, false, m_picIdInGOP );

  m_picIdInGOP++;

  // go over all pictures in a GOP excluding the first IRAP
  if( m_picIdInGOP != m_iGOPSize && m_iPOCLast )
  {
    return true;
  }

#if JVET_O0756_CALCULATE_HDRMETRICS
  m_metricTime = m_cGOPEncoder.getMetricTime();
#endif

  if( m_RCEnableRateControl )
  {
    m_cRateCtrl.destroyRCGOP();
  }

  iNumEncoded = m_iNumPicRcvd;
  m_iNumPicRcvd = 0;
  m_uiNumAllPicCoded += iNumEncoded;

  return false;
}

/**------------------------------------------------
 Separate interlaced frame into two fields
 -------------------------------------------------**/
void separateFields(Pel* org, Pel* dstField, uint32_t stride, uint32_t width, uint32_t height, bool isTop)
{
  if (!isTop)
  {
    org += stride;
  }
  for (int y = 0; y < height>>1; y++)
  {
    for (int x = 0; x < width; x++)
    {
      dstField[x] = org[x];
    }

    dstField += stride;
    org += stride*2;
  }

}

bool EncLib::encodePrep( bool flush, PelStorage* pcPicYuvOrg, PelStorage* pcPicYuvTrueOrg, const InputColourSpaceConversion snrCSC, std::list<PelUnitBuf*>& rcListPicYuvRecOut,
  int& iNumEncoded, bool isTff )
{
  iNumEncoded = 0;
  bool keepDoing = true;

  for( int fieldNum = 0; fieldNum < 2; fieldNum++ )
  {
    if( pcPicYuvOrg )
    {
      /* -- field initialization -- */
      const bool isTopField = isTff == ( fieldNum == 0 );

      Picture *pcField;
      xGetNewPicBuffer( rcListPicYuvRecOut, pcField, -1 );

      for( uint32_t comp = 0; comp < ::getNumberValidComponents( pcPicYuvOrg->chromaFormat ); comp++ )
      {
        const ComponentID compID = ComponentID( comp );
        {
          PelBuf compBuf = pcPicYuvOrg->get( compID );
          separateFields( compBuf.buf,
            pcField->getOrigBuf().get( compID ).buf,
            compBuf.stride,
            compBuf.width,
            compBuf.height,
            isTopField );
#if FIELD_CODING_FIX
          // to get fields of true original buffer to avoid wrong PSNR calculation in summary
          compBuf = pcPicYuvTrueOrg->get( compID );
          separateFields( compBuf.buf,
            pcField->getTrueOrigBuf().get(compID).buf,
            compBuf.stride,
            compBuf.width,
            compBuf.height,
            isTopField);
#endif
        }
      }

      {
        int ppsID = -1; // Use default PPS ID
        const PPS *pPPS = ( ppsID < 0 ) ? m_ppsMap.getFirstPS() : m_ppsMap.getPS( ppsID );
        const SPS *pSPS = m_spsMap.getPS( pPPS->getSPSId() );
        pcField->finalInit( &m_cVPS, *pSPS, *pPPS, &m_picHeader, m_apss, m_lmcsAPS, m_scalinglistAPS );
      }

      pcField->poc = m_iPOCLast;
      pcField->reconstructed = false;

      pcField->setBorderExtension( false );// where is this normally?

      pcField->topField = isTopField;                  // interlaced requirement

      // compute image characteristics
      if( getUseAdaptiveQP() )
      {
        AQpPreanalyzer::preanalyze( pcField );
      }
    }

#if !FIELD_CODING_FIX
    if( m_iNumPicRcvd && ( ( flush&&fieldNum == 1 ) || ( m_iPOCLast / 2 ) == 0 || m_iNumPicRcvd == m_iGOPSize ) )
    {
      keepDoing = false;
    }
#endif
  }

#if FIELD_CODING_FIX
  if( m_iNumPicRcvd && ( flush || m_iPOCLast == 1 || m_iNumPicRcvd == m_iGOPSize ) )
  {
    m_picIdInGOP = 0;
    m_iPOCLast -= 2;
    keepDoing = false;
  }
#endif

  return keepDoing;
}

bool EncLib::encode( const InputColourSpaceConversion snrCSC, std::list<PelUnitBuf*>& rcListPicYuvRecOut, int& iNumEncoded, bool isTff )
{
  iNumEncoded = 0;

#if FIELD_CODING_FIX
  for( int fieldNum = 0; fieldNum < 2; fieldNum++ )
  {
    m_iPOCLast = ( m_iNumPicRcvd == m_iGOPSize ) ? m_uiNumAllPicCoded + m_iNumPicRcvd - 1 : m_iPOCLast + 1;

    // compress GOP
    m_cGOPEncoder.compressGOP( m_iPOCLast, m_iPOCLast < 2 ? m_iPOCLast + 1 : m_iNumPicRcvd, m_cListPic, rcListPicYuvRecOut, true, isTff, snrCSC, m_printFrameMSE, false, m_picIdInGOP );
#if JVET_O0756_CALCULATE_HDRMETRICS
    m_metricTime = m_cGOPEncoder.getMetricTime();
#endif

    m_picIdInGOP++;
  }
   
  // go over all pictures in a GOP excluding first top field and first bottom field
  if( m_picIdInGOP != m_iGOPSize && m_iPOCLast > 1 )
  {
    return true;
  }

  iNumEncoded += m_iNumPicRcvd;
  m_uiNumAllPicCoded += m_iNumPicRcvd;
  m_iNumPicRcvd = 0;
  
  return false;
#else
  for( int fieldNum = 0; fieldNum < 2; fieldNum++ )
  {
    // compress GOP
    m_cGOPEncoder.compressGOP( m_iPOCLast, m_iNumPicRcvd, m_cListPic, rcListPicYuvRecOut, true, isTff, snrCSC, m_printFrameMSE, false, m_picIdInGOP );
#if JVET_O0756_CALCULATE_HDRMETRICS
    m_metricTime = m_cGOPEncoder.getMetricTime();
#endif

    m_picIdInGOP++;

    // go over all pictures in a GOP excluding the first IRAP
    if( m_picIdInGOP != m_iGOPSize && m_iPOCLast / 2 )
    {
      return true;
    }

    iNumEncoded += m_iNumPicRcvd;
    m_uiNumAllPicCoded += m_iNumPicRcvd;
    m_iNumPicRcvd = 0;
  }

  return false;
#endif
}

// ====================================================================================================================
// Protected member functions
// ====================================================================================================================

/**
 - Application has picture buffer list with size of GOP + 1
 - Picture buffer list acts like as ring buffer
 - End of the list has the latest picture
 .
 \retval rpcPic obtained picture buffer
 */
void EncLib::xGetNewPicBuffer ( std::list<PelUnitBuf*>& rcListPicYuvRecOut, Picture*& rpcPic, int ppsId )
{
  // rotate the output buffer
  rcListPicYuvRecOut.push_back( rcListPicYuvRecOut.front() ); rcListPicYuvRecOut.pop_front();

  rpcPic=0;

  // At this point, the SPS and PPS can be considered activated - they are copied to the new Pic.
  const PPS *pPPS=(ppsId<0) ? m_ppsMap.getFirstPS() : m_ppsMap.getPS(ppsId);
  CHECK(!(pPPS!=0), "Unspecified error");
  const PPS &pps=*pPPS;

  const SPS *pSPS=m_spsMap.getPS(pps.getSPSId());
  CHECK(!(pSPS!=0), "Unspecified error");
  const SPS &sps=*pSPS;

  Slice::sortPicList(m_cListPic);

  // use an entry in the buffered list if the maximum number that need buffering has been reached:
  if( m_cListPic.size() >= (uint32_t)( m_iGOPSize + getMaxDecPicBuffering( MAX_TLAYER - 1 ) + 2 ) )
  {
    PicList::iterator iterPic = m_cListPic.begin();
    int iSize = int( m_cListPic.size() );
    for( int i = 0; i < iSize; i++ )
    {
      rpcPic = *iterPic;
      if( !rpcPic->referenced && rpcPic->layerId == m_layerId )
      {
        break;
      }
      else
      {
        rpcPic = nullptr;
      }
      iterPic++;
    }

    // If PPS ID is the same, we will assume that it has not changed since it was last used
    // and return the old object.
    if( rpcPic && pps.getPPSId() != rpcPic->cs->pps->getPPSId() )
    {
      // the IDs differ - free up an entry in the list, and then create a new one, as with the case where the max buffering state has not been reached.
      rpcPic->destroy();
      delete rpcPic;
      m_cListPic.erase(iterPic);
      rpcPic=0;
    }
  }

  if (rpcPic==0)
  {
    rpcPic = new Picture;
    rpcPic->create( sps.getChromaFormatIdc(), Size( pps.getPicWidthInLumaSamples(), pps.getPicHeightInLumaSamples() ), sps.getMaxCUWidth(), sps.getMaxCUWidth() + 16, false, m_layerId );
    if( m_rprEnabled )
    {
      rpcPic->M_BUFS( 0, PIC_ORIGINAL_INPUT ).create( sps.getChromaFormatIdc(), Area( Position(), Size( sps.getMaxPicWidthInLumaSamples(), sps.getMaxPicHeightInLumaSamples() ) ) );
      rpcPic->M_BUFS( 0, PIC_TRUE_ORIGINAL_INPUT ).create( sps.getChromaFormatIdc(), Area( Position(), Size( sps.getMaxPicWidthInLumaSamples(), sps.getMaxPicHeightInLumaSamples() ) ) );
    }
    if ( getUseAdaptiveQP() )
    {
      const uint32_t iMaxDQPLayer = m_picHeader.getCuQpDeltaSubdivIntra()/2+1;
      rpcPic->aqlayer.resize( iMaxDQPLayer );
      for (uint32_t d = 0; d < iMaxDQPLayer; d++)
      {
        rpcPic->aqlayer[d] = new AQpLayer( pps.getPicWidthInLumaSamples(), pps.getPicHeightInLumaSamples(), sps.getMaxCUWidth() >> d, sps.getMaxCUHeight() >> d );
      }
    }

    m_cListPic.push_back( rpcPic );
  }

  rpcPic->setBorderExtension( false );
  rpcPic->reconstructed = false;
  rpcPic->referenced = true;
  rpcPic->getHashMap()->clearAll();

  m_iPOCLast += (m_compositeRefEnabled ? 2 : 1);
  m_iNumPicRcvd++;
}

#if JVET_P0185
void EncLib::xInitVPS(VPS& vps, const SPS& sps)
#else
void EncLib::xInitVPS(VPS& vps)
#endif
{
  // The SPS must have already been set up.
  // set the VPS profile information.
#if JVET_P0185
  vps.setMaxSubLayers(sps.getMaxTLayers());
#endif
}

void EncLib::xInitDPS(DPS &dps, const SPS &sps, const int dpsId)
{
  // The SPS must have already been set up.
  // set the DPS profile information.
  dps.setDecodingParameterSetId(dpsId);
  dps.setMaxSubLayersMinus1(sps.getMaxTLayers()-1);
#if JVET_P0478_PTL_DPS
  std::vector<ProfileTierLevel> ptls;
  ptls.resize(1);
  ptls[0] = *sps.getProfileTierLevel();
  dps.setProfileTierLevel(ptls);
#else
  dps.setProfileTierLevel(sps.getProfileTierLevel());
#endif
}

void EncLib::xInitSPS( SPS& sps, VPS& vps )
{
  ProfileTierLevel* profileTierLevel = sps.getProfileTierLevel();
  ConstraintInfo* cinfo = profileTierLevel->getConstraintInfo();
  cinfo->setProgressiveSourceFlag       (m_progressiveSourceFlag);
  cinfo->setInterlacedSourceFlag        (m_interlacedSourceFlag);
  cinfo->setNonPackedConstraintFlag     (m_nonPackedConstraintFlag);
  cinfo->setFrameOnlyConstraintFlag     (m_frameOnlyConstraintFlag);
  cinfo->setIntraOnlyConstraintFlag         (m_intraConstraintFlag);
  cinfo->setMaxBitDepthConstraintIdc    (m_maxBitDepthConstraintIdc);
  cinfo->setMaxChromaFormatConstraintIdc((ChromaFormat)m_maxChromaFormatConstraintIdc);
  cinfo->setNoQtbttDualTreeIntraConstraintFlag(m_bNoQtbttDualTreeIntraConstraintFlag);
  cinfo->setNoPartitionConstraintsOverrideConstraintFlag(m_noPartitionConstraintsOverrideConstraintFlag);
  cinfo->setNoSaoConstraintFlag(m_bNoSaoConstraintFlag);
  cinfo->setNoAlfConstraintFlag(m_bNoAlfConstraintFlag);
  cinfo->setNoRefWraparoundConstraintFlag(m_bNoRefWraparoundConstraintFlag);
  cinfo->setNoTemporalMvpConstraintFlag(m_bNoTemporalMvpConstraintFlag);
  cinfo->setNoSbtmvpConstraintFlag(m_bNoSbtmvpConstraintFlag);
  cinfo->setNoAmvrConstraintFlag(m_bNoAmvrConstraintFlag);
  cinfo->setNoBdofConstraintFlag(m_bNoBdofConstraintFlag);
  cinfo->setNoDmvrConstraintFlag(m_noDmvrConstraintFlag);
  cinfo->setNoCclmConstraintFlag(m_bNoCclmConstraintFlag);
  cinfo->setNoMtsConstraintFlag(m_bNoMtsConstraintFlag);
  cinfo->setNoSbtConstraintFlag(m_noSbtConstraintFlag);
  cinfo->setNoAffineMotionConstraintFlag(m_bNoAffineMotionConstraintFlag);
  cinfo->setNoBcwConstraintFlag(m_bNoBcwConstraintFlag);
  cinfo->setNoIbcConstraintFlag(m_noIbcConstraintFlag);
  cinfo->setNoCiipConstraintFlag(m_bNoCiipConstraintFlag);
  cinfo->setNoFPelMmvdConstraintFlag(m_noFPelMmvdConstraintFlag);
  cinfo->setNoTriangleConstraintFlag(m_bNoTriangleConstraintFlag);
  cinfo->setNoLadfConstraintFlag(m_bNoLadfConstraintFlag);
  cinfo->setNoTransformSkipConstraintFlag(m_noTransformSkipConstraintFlag);
  cinfo->setNoBDPCMConstraintFlag(m_noBDPCMConstraintFlag);
  cinfo->setNoJointCbCrConstraintFlag(m_noJointCbCrConstraintFlag);
  cinfo->setNoQpDeltaConstraintFlag(m_bNoQpDeltaConstraintFlag);
  cinfo->setNoDepQuantConstraintFlag(m_bNoDepQuantConstraintFlag);
  cinfo->setNoSignDataHidingConstraintFlag(m_bNoSignDataHidingConstraintFlag);
  cinfo->setNoTrailConstraintFlag(m_noTrailConstraintFlag);
  cinfo->setNoStsaConstraintFlag(m_noStsaConstraintFlag);
  cinfo->setNoRaslConstraintFlag(m_noRaslConstraintFlag);
  cinfo->setNoRadlConstraintFlag(m_noRadlConstraintFlag);
  cinfo->setNoIdrConstraintFlag(m_noIdrConstraintFlag);
  cinfo->setNoCraConstraintFlag(m_noCraConstraintFlag);
  cinfo->setNoGdrConstraintFlag(m_noGdrConstraintFlag);
  cinfo->setNoApsConstraintFlag(m_noApsConstraintFlag);

  profileTierLevel->setLevelIdc                    (m_level);
  profileTierLevel->setTierFlag                    (m_levelTier);
  profileTierLevel->setProfileIdc                  (m_profile);
  profileTierLevel->setNumSubProfile(m_numSubProfile);
  for (int k = 0; k < m_numSubProfile; k++)
  {
    profileTierLevel->setSubProfileIdc(k, m_subProfile[k]);
  }
  /* XXX: should Main be marked as compatible with still picture? */
  /* XXX: may be a good idea to refactor the above into a function
   * that chooses the actual compatibility based upon options */
  sps.setVPSId(m_cVPS.getVPSId());
  sps.setMaxPicWidthInLumaSamples( m_iSourceWidth );
  sps.setMaxPicHeightInLumaSamples( m_iSourceHeight );
  sps.setMaxCUWidth             ( m_maxCUWidth        );
  sps.setMaxCUHeight            ( m_maxCUHeight       );
  sps.setMaxCodingDepth         ( m_maxTotalCUDepth   );
  sps.setChromaFormatIdc        ( m_chromaFormatIDC   );
  sps.setLog2DiffMaxMinCodingBlockSize(m_log2DiffMaxMinCodingBlockSize);

  sps.setCTUSize                             ( m_CTUSize );
  sps.setSplitConsOverrideEnabledFlag        ( m_useSplitConsOverride );
  sps.setMinQTSizes                          ( m_uiMinQT );
  sps.setMaxMTTHierarchyDepth                ( m_uiMaxMTTHierarchyDepth, m_uiMaxMTTHierarchyDepthI, m_uiMaxMTTHierarchyDepthIChroma );
  unsigned maxBtSize[3], maxTtSize[3];
  memcpy(maxBtSize, m_uiMinQT, sizeof(maxBtSize));
  memcpy(maxTtSize, m_uiMinQT, sizeof(maxTtSize));
  if (m_uiMaxMTTHierarchyDepth)
  {
    maxBtSize[1] = std::min(m_CTUSize, (unsigned)MAX_BT_SIZE_INTER);
    maxTtSize[1] = std::min(m_CTUSize, (unsigned)MAX_TT_SIZE_INTER);
  }
  if (m_uiMaxMTTHierarchyDepthI)
  {
    maxBtSize[0] = std::min(m_CTUSize, (unsigned)MAX_BT_SIZE);
    maxTtSize[0] = std::min(m_CTUSize, (unsigned)MAX_TT_SIZE);
  }
  if (m_uiMaxMTTHierarchyDepthIChroma)
  {
    maxBtSize[2] = std::min(m_CTUSize, (unsigned)MAX_BT_SIZE_C);
    maxTtSize[2] = std::min(m_CTUSize, (unsigned)MAX_TT_SIZE_C);
  }
  sps.setMaxBTSize                           ( maxBtSize[1], maxBtSize[0], maxBtSize[2] );
  sps.setMaxTTSize                           ( maxTtSize[1], maxTtSize[0], maxTtSize[2] );
  sps.setIDRRefParamListPresent              ( m_idrRefParamList );
  sps.setUseDualITree                        ( m_dualITree );
  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.setHorCollocatedChromaFlag( m_horCollocatedChromaFlag );
  sps.setVerCollocatedChromaFlag( m_verCollocatedChromaFlag );
  sps.setUseMTS                ( m_IntraMTS || m_InterMTS || m_ImplicitMTS );
  sps.setUseIntraMTS           ( m_IntraMTS );
  sps.setUseInterMTS           ( m_InterMTS );
  sps.setUseSBT                             ( m_SBT );
  sps.setUseSMVD                ( m_SMVD );
  sps.setUseBcw                ( m_bcw );
#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.setUseCiip            ( m_ciip );
  sps.setUseTriangle           ( m_Triangle );
  sps.setUseMMVD               ( m_MMVD );
  sps.setFpelMmvdEnabledFlag   (( m_MMVD ) ? m_allowDisFracMMVD : false);
  sps.setBdofControlPresentFlag(m_BIO);
  sps.setDmvrControlPresentFlag(m_DMVR);
  sps.setProfControlPresentFlag(m_PROF);
  sps.setAffineAmvrEnabledFlag              ( m_AffineAmvr );
  sps.setUseDMVR                            ( m_DMVR );
  sps.setUseColorTrans(m_useColorTrans);
  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.setUseLmcs                            ( m_lmcsEnabled );
  sps.setUseMRL                ( m_MRL );
  sps.setUseMIP                ( m_MIP );
  int minCUSize =  sps.getMaxCUWidth() >> sps.getLog2DiffMaxMinCodingBlockSize();
  int log2MinCUSize = 0;
  while(minCUSize > 1)
  {
    minCUSize >>= 1;
    log2MinCUSize++;
  }

  sps.setLog2MinCodingBlockSize(log2MinCUSize);
  CHECK(log2MinCUSize > std::min(6, floorLog2(sps.getMaxCUWidth())), "log2_min_luma_coding_block_size_minus2 shall be in the range of 0 to min (4, log2_ctu_size - 2)");
  CHECK(m_uiMaxMTTHierarchyDepth > 2 * (floorLog2(sps.getCTUSize()) - sps.getLog2MinCodingBlockSize()), "sps_max_mtt_hierarchy_depth_inter_slice shall be in the range 0 to 2*(ctbLog2SizeY - log2MinCUSize)");
  CHECK(m_uiMaxMTTHierarchyDepthI > 2 * (floorLog2(sps.getCTUSize()) - sps.getLog2MinCodingBlockSize()), "sps_max_mtt_hierarchy_depth_intra_slice_luma shall be in the range 0 to 2*(ctbLog2SizeY - log2MinCUSize)");
  CHECK(m_uiMaxMTTHierarchyDepthIChroma > 2 * (floorLog2(sps.getCTUSize()) - sps.getLog2MinCodingBlockSize()), "sps_max_mtt_hierarchy_depth_intra_slice_chroma shall be in the range 0 to 2*(ctbLog2SizeY - log2MinCUSize)");

  sps.setTransformSkipEnabledFlag(m_useTransformSkip);
  sps.setBDPCMEnabled(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->setAspectRatioConstantFlag(!getSampleAspectRatioInfoSEIEnabled());
    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->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);
  }
  int numQpTables = m_chromaQpMappingTableParams.getSameCQPTableForAllChromaFlag() ? 1 : (sps.getJointCbCrEnabledFlag() ? 3 : 2);
  m_chromaQpMappingTableParams.setNumQpTables(numQpTables);
  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 );
  }

#if JVET_P0171_SUBPICTURE_LAYOUT
  sps.setSubPicPresentFlag(m_subPicPresentFlag);
  if (m_subPicPresentFlag) 
  {
    sps.setNumSubPics(m_numSubPics);
    for (int i = 0; i < m_numSubPics; i++) 
    {
      sps.setSubPicCtuTopLeftX(i, m_subPicCtuTopLeftX[i] );
      sps.setSubPicCtuTopLeftY(i, m_subPicCtuTopLeftY[i]);
      sps.setSubPicWidth(i, m_subPicWidth[i]);
      sps.setSubPicHeight(i, m_subPicHeight[i]);
      sps.setSubPicTreatedAsPicFlag(i, m_subPicTreatedAsPicFlag[i]);
      sps.setLoopFilterAcrossSubpicEnabledFlag(i, m_loopFilterAcrossSubpicEnabledFlag[i]);
    }
  }
#endif
  sps.setSubPicIdPresentFlag(m_subPicIdPresentFlag);
  if (m_subPicIdPresentFlag) 
  {
    sps.setSubPicIdSignallingPresentFlag(m_subPicIdSignallingPresentFlag);
    if (m_subPicIdSignallingPresentFlag)
    {
      sps.setSubPicIdLen(m_subPicIdLen);
      for (int i = 0; i < m_numSubPics; i++)
  {
        sps.setSubPicId(i, m_subPicId[i]);
      }
    }
  }

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

  sps.setInterLayerPresentFlag( vps.getMaxLayers() > 1 && !vps.getAllIndependentLayersFlag() );
#if JVET_P0182
  for (unsigned int i = 0; i < vps.getMaxLayers(); ++i)
  {
    CHECK((vps.getIndependentLayerFlag(i) == 1) && (sps.getInterLayerPresentFlag() != 0), " When vps_independent_layer_flag[GeneralLayerIdx[nuh_layer_id ]]  is equal to 1, the value of inter_layer_ref_pics_present_flag shall be equal to 0.");
  }
#endif

  sps.setRprEnabledFlag( m_rprEnabled || sps.getInterLayerPresentFlag() );
}

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.setPPSMvdL1ZeroIdc(getPPSMvdL1ZeroIdc());
  pps.setPPSCollocatedFromL0Idc(getPPSCollocatedFromL0Idc());
  pps.setPPSSixMinusMaxNumMergeCandPlus1(getPPSSixMinusMaxNumMergeCandPlus1());
#if !JVET_P0152_REMOVE_PPS_NUM_SUBBLOCK_MERGE_CAND
  pps.setPPSFiveMinusMaxNumSubblockMergeCandPlus1(getPPSFiveMinusMaxNumSubblockMergeCandPlus1());
#endif
  pps.setPPSMaxNumMergeCandMinusMaxNumTriangleCandPlus1(getPPSMaxNumMergeCandMinusMaxNumTriangleCandPlus1());

  pps.setNumSubPics(sps.getNumSubPics());
  pps.setSubPicIdSignallingPresentFlag(false);
  pps.setSubPicIdLen(sps.getSubPicIdLen());
  for(int picIdx=0; picIdx<pps.getNumSubPics(); picIdx++)
  {
    pps.setSubPicId(picIdx, sps.getSubPicId(picIdx));
  }
  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);
  }
  else if(bUseDQP)
  {
    pps.setUseDQP(true);
  }
  else
  {
    pps.setUseDQP(false);
  }

  if ( m_cuChromaQpOffsetSubdiv >= 0 )
  {
    pps.clearChromaQpOffsetList();
    pps.setChromaQpOffsetListEntry(1, 6, 6, 6);
    /* todo, insert table entries from command line (NB, 0 should not be touched) */
  }
  else
  {
    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 (sps.getJointCbCrEnabledFlag() == false || getChromaFormatIdc() == CHROMA_400)
  {
    pps.setJointCbCrQpOffsetPresentFlag(false);
  }
  else
  {
    pps.setJointCbCrQpOffsetPresentFlag(true);
  }

#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));
    if(pps.getJointCbCrQpOffsetPresentFlag())
      pps.setQpOffset(JOINT_CbCr, Clip3(-12, 12, (min(0, cbQP) + min(0, crQP)) / 2 + m_chromaCbCrQpOffset));
    else
      pps.setQpOffset(JOINT_CbCr, 0);
  }
  else
  {
#endif
  pps.setQpOffset(COMPONENT_Cb, m_chromaCbQpOffset );
  pps.setQpOffset(COMPONENT_Cr, m_chromaCrQpOffset );
  if (pps.getJointCbCrQpOffsetPresentFlag())
    pps.setQpOffset(JOINT_CbCr, m_chromaCbCrQpOffset);
  else
    pps.setQpOffset(JOINT_CbCr, 0);
#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.setNoPicPartitionFlag( m_noPicPartitionFlag );
  if( m_noPicPartitionFlag == false )
  {
    pps.setLog2CtuSize( ceilLog2( sps.getCTUSize()) );
    pps.setNumExpTileColumns( (uint32_t) m_tileColumnWidth.size() );
    pps.setNumExpTileRows( (uint32_t) m_tileRowHeight.size() );
    pps.setTileColumnWidths( m_tileColumnWidth );
    pps.setTileRowHeights( m_tileRowHeight );
    pps.initTiles();
    pps.setRectSliceFlag( m_rectSliceFlag );
    if( m_rectSliceFlag ) 
    {
      pps.setNumSlicesInPic( m_numSlicesInPic );
      pps.setTileIdxDeltaPresentFlag( m_tileIdxDeltaPresentFlag );
      pps.setRectSlices( m_rectSlices );
      pps.initRectSliceMap( );
    }
    else
    {
      pps.initRasterSliceMap( m_rasterSliceSize );
    }
    pps.setLoopFilterAcrossTilesEnabledFlag( m_bLFCrossTileBoundaryFlag );
    pps.setLoopFilterAcrossSlicesEnabledFlag( m_bLFCrossSliceBoundaryFlag );
  }
  else
  {
    pps.setLog2CtuSize( ceilLog2( sps.getCTUSize()) );
    pps.setNumExpTileColumns(1);
    pps.setNumExpTileRows(1);
    pps.addTileColumnWidth( pps.getPicWidthInCtu( ) );
    pps.addTileRowHeight( pps.getPicHeightInCtu( ) );
    pps.initTiles();
    pps.setRectSliceFlag( 1 );
    pps.setNumSlicesInPic( 1 );
    pps.initRectSlices( );
    pps.setTileIdxDeltaPresentFlag( 0 );
    pps.setSliceTileIdx( 0, 0 );
    pps.initRectSliceMap( );
    pps.setLoopFilterAcrossTilesEnabledFlag( true );
    pps.setLoopFilterAcrossSlicesEnabledFlag( true );
  }

  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.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.setLog2MaxTransformSkipBlockSize(m_log2MaxTransformSkipBlockSize);
  pps.setPictureHeaderExtensionPresentFlag(false);

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

void EncLib::xInitPicHeader(PicHeader &picHeader, const SPS &sps, const PPS &pps)
{
  int i;
  picHeader.initPicHeader();

  // parameter sets
  picHeader.setSPSId( sps.getSPSId() );
  picHeader.setPPSId( pps.getPPSId() );  
  
  // merge list sizes
  picHeader.setMaxNumMergeCand      ( getMaxNumMergeCand()       );
  picHeader.setMaxNumAffineMergeCand( getMaxNumAffineMergeCand() );
  picHeader.setMaxNumTriangleCand   ( getMaxNumTriangleCand()    );
  picHeader.setMaxNumIBCMergeCand   ( getMaxNumIBCMergeCand()    );
  
  // copy partitioning constraints from SPS
  picHeader.setSplitConsOverrideFlag(false);
  picHeader.setMinQTSizes( sps.getMinQTSizes() );
  picHeader.setMaxMTTHierarchyDepths( sps.getMaxMTTHierarchyDepths() );
  picHeader.setMaxBTSizes( sps.getMaxBTSizes() );
  picHeader.setMaxTTSizes( sps.getMaxTTSizes() );

  // quantization
  picHeader.setDepQuantEnabledFlag( getDepQuantEnabledFlag() );
  picHeader.setSignDataHidingEnabledFlag( getSignDataHidingEnabledFlag() );
  
  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 )
  {
    picHeader.setCuQpDeltaSubdivIntra( 0 );
    picHeader.setCuQpDeltaSubdivInter( 0 );
  }
  else if( bUseDQP )
  {
    picHeader.setCuQpDeltaSubdivIntra( m_cuQpDeltaSubdiv );
    picHeader.setCuQpDeltaSubdivInter( m_cuQpDeltaSubdiv );
  }
  else
  {
    picHeader.setCuQpDeltaSubdivIntra( 0 );
    picHeader.setCuQpDeltaSubdivInter( 0 );
  }

  if( m_cuChromaQpOffsetSubdiv >= 0 )
  {
    picHeader.setCuChromaQpOffsetSubdivIntra(m_cuChromaQpOffsetSubdiv);
    picHeader.setCuChromaQpOffsetSubdivInter(m_cuChromaQpOffsetSubdiv);
  }
  else
  {
    picHeader.setCuChromaQpOffsetSubdivIntra(0);
    picHeader.setCuChromaQpOffsetSubdivInter(0);
  }
  
  // sub-pictures
  picHeader.setSubPicIdSignallingPresentFlag(sps.getSubPicIdSignallingPresentFlag());
  picHeader.setSubPicIdLen(sps.getSubPicIdLen());
  for(i=0; i<sps.getNumSubPics(); i++) {
    picHeader.setSubPicId(i, sps.getSubPicId(i));
  }

  // virtual boundaries
  picHeader.setLoopFilterAcrossVirtualBoundariesDisabledFlag(sps.getLoopFilterAcrossVirtualBoundariesDisabledFlag());
  picHeader.setNumVerVirtualBoundaries(sps.getNumVerVirtualBoundaries());
  picHeader.setNumHorVirtualBoundaries(sps.getNumHorVirtualBoundaries());
  for(i=0; i<3; i++) {
    picHeader.setVirtualBoundariesPosX(sps.getVirtualBoundariesPosX(i), i);
    picHeader.setVirtualBoundariesPosY(sps.getVirtualBoundariesPosY(i), i);
  }

  // gradual decoder refresh flag
  picHeader.setGdrPicFlag(false);
  
  // BDOF / DMVR / PROF
  picHeader.setDisBdofFlag(false);
  picHeader.setDisDmvrFlag(false);
  picHeader.setDisProfFlag(false);
}

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

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

  int numRPLCandidates = getRPLCandidateSize(0);
#if FIELD_CODING_FIX
  // To allocate one additional memory for RPL of POC1 (first bottom field) which is not specified in cfg file
  sps.createRPLList0(numRPLCandidates + (isFieldCoding ? 1 : 0));
  sps.createRPLList1(numRPLCandidates + (isFieldCoding ? 1 : 0));
#else
  sps.createRPLList0(numRPLCandidates);
  sps.createRPLList1(numRPLCandidates);
#endif
  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);
      rpl->setInterLayerPresentFlag( sps.getInterLayerPresentFlag() );
      // inter-layer reference picture is not signaled in SPS RPL, SPS is shared currently
      rpl->setNumberOfInterLayerPictures( 0 );

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

#if FIELD_CODING_FIX
  if (isFieldCoding)
  {
    // To set RPL of POC1 (first bottom field) which is not specified in cfg file
    for (int i = 0; i < 2; i++)
    {
      rplList = (i == 0) ? sps.getRPLList0() : sps.getRPLList1();
      rpl = rplList->getReferencePictureList(numRPLCandidates);
      rpl->setNumberOfShorttermPictures(1);
      rpl->setNumberOfLongtermPictures(0);
      rpl->setNumberOfActivePictures(1);
      rpl->setLtrpInSliceHeaderFlag(0);
      rpl->setRefPicIdentifier(0, 1, 0, false, 0);
      rpl->setPOC(0, 0);
    }
  }
#endif

  //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 < (2 * m_iGOPSize + 2))
    {
      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 < (2 * m_iGOPSize + 2))
    {
      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++;
      }
    }
  }

#if FIELD_CODING_FIX
  if (slice->getPic()->fieldPic)
  {
    // To set RPL index of POC1 (first bottom field)
    if (POCCurr == 1)
    {
      slice->setRPL0idx(getRPLCandidateSize(0));
      slice->setRPL1idx(getRPLCandidateSize(0));
    }
    else if (m_uiIntraPeriod < 0)
    {
      // To set RPL indexes for LD
      int numRPLCandidates = getRPLCandidateSize(0);
      if (POCCurr < numRPLCandidates - m_iGOPSize + 2)
      {
        slice->setRPL0idx(POCCurr + m_iGOPSize - 2);
        slice->setRPL1idx(POCCurr + m_iGOPSize - 2);
      }
      else
      {
        if (POCCurr%m_iGOPSize == 0)
        {
          slice->setRPL0idx(m_iGOPSize - 2);
          slice->setRPL1idx(m_iGOPSize - 2);
        }
        else if (POCCurr%m_iGOPSize == 1)
        {
          slice->setRPL0idx(m_iGOPSize - 1);
          slice->setRPL1idx(m_iGOPSize - 1);
        }
        else
        {
          slice->setRPL0idx(POCCurr % m_iGOPSize - 2);
          slice->setRPL1idx(POCCurr % m_iGOPSize - 2);
        }
      }
    }
  }
#endif

  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::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)
  {
#if JVET_AHG14_LOSSLESS
    qp = LOSSLESS_AND_MIXED_LOSSLESS_RD_COST_TEST_QP - ( ( pSlice->getSPS()->getBitDepth( CHANNEL_TYPE_LUMA ) - 8 ) * 6 );
#else
    qp=LOSSLESS_AND_MIXED_LOSSLESS_RD_COST_TEST_QP;
#endif
  }
  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
    {
        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


//! \}