EncLib.cpp

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 * granted under this license.
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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

//! \ingroup EncoderLib
//! \{

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



EncLib::EncLib()
  : m_spsMap( MAX_NUM_SPS )
  , m_ppsMap( MAX_NUM_PPS )
  , m_apsMap(MAX_NUM_APS * MAX_NUM_APS_TYPE)
  , m_AUWriterIf( nullptr )
#if JVET_J0090_MEMORY_BANDWITH_MEASURE
  , m_cacheModel()
#endif
  , m_lmcsAPS(nullptr)
#if JVET_O0299_APS_SCALINGLIST
  , m_scalinglistAPS( nullptr )
#endif
#if JVET_O0119_BASE_PALETTE_444
  , m_doPlt( true )
#endif
{
  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));
}

EncLib::~EncLib()
{
}

void EncLib::create ()
{
  // initialize global variables
  initROM();
  TComHash::initBlockSizeToIndex();
  m_iPOCLast = m_compositeRefEnabled ? -2 : -1;
  // create processing unit classes
  m_cGOPEncoder.        create( );
#if !JVET_O1164_PS
  m_cSliceEncoder.      create( getSourceWidth(), getSourceHeight(), m_chromaFormatIDC, m_maxCUWidth, m_maxCUHeight, m_maxTotalCUDepth );
#endif
#if ENABLE_SPLIT_PARALLELISM || ENABLE_WPP_PARALLELISM
#if ENABLE_SPLIT_PARALLELISM
  m_numCuEncStacks  = m_numSplitThreads == 1 ? 1 : NUM_RESERVERD_SPLIT_JOBS;
#else
  m_numCuEncStacks  = 1;
#endif
#if ENABLE_WPP_PARALLELISM
  m_numCuEncStacks *= ( m_numWppThreads + m_numWppExtraLines );
#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

#if JVET_O1164_PS
  m_cLoopFilter.create( m_maxTotalCUDepth );
#else
  const uint32_t widthInCtus   = (getSourceWidth()  + m_maxCUWidth  - 1)  / m_maxCUWidth;
  const uint32_t heightInCtus  = (getSourceHeight() + m_maxCUHeight - 1) / m_maxCUHeight;
  const uint32_t numCtuInFrame = widthInCtus * heightInCtus;

  if (m_bUseSAO)
  {
    m_cEncSAO.create( getSourceWidth(), getSourceHeight(), m_chromaFormatIDC, m_maxCUWidth, m_maxCUHeight, m_maxTotalCUDepth, m_log2SaoOffsetScale[CHANNEL_TYPE_LUMA], m_log2SaoOffsetScale[CHANNEL_TYPE_CHROMA] );
    m_cEncSAO.createEncData(getSaoCtuBoundary(), numCtuInFrame);
  }

  m_cLoopFilter.create( m_maxTotalCUDepth );
  if ( !m_bLoopFilterDisable )
  {
    m_cLoopFilter.initEncPicYuvBuffer( m_chromaFormatIDC, getSourceWidth(), getSourceHeight() );
  }
  if( m_alf )
  {
    m_cEncALF.create( this, getSourceWidth(), getSourceHeight(), m_chromaFormatIDC, m_maxCUWidth, m_maxCUHeight, m_maxTotalCUDepth, m_bitDepth, m_inputBitDepth );
  }
#endif

#if ENABLE_SPLIT_PARALLELISM || ENABLE_WPP_PARALLELISM
  m_cReshaper = new EncReshape[m_numCuEncStacks];
#endif
  if (m_lumaReshapeEnable)
  {
#if ENABLE_SPLIT_PARALLELISM || ENABLE_WPP_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 || ENABLE_WPP_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 || ENABLE_WPP_PARALLELISM
  for (int jId = 0; jId < m_numCuEncStacks; jId++)
  {
    m_cReshaper[jId].   destroy();
  }
#else
  m_cReshaper.          destroy();
#endif
#if ENABLE_SPLIT_PARALLELISM || ENABLE_WPP_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 || ENABLE_WPP_PARALLELISM
  delete[] m_cCuEncoder;
  delete[] m_cInterSearch;
  delete[] m_cIntraSearch;
  delete[] m_cTrQuant;
  delete[] m_CABACEncoder;
  delete[] m_cRdCost;
  delete[] m_CtxCache;
#endif




  // destroy ROM
  destroyROM();
  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(0));
#if JVET_O0299_APS_SCALINGLIST
  APS &aps0 = *( m_apsMap.allocatePS( SCALING_LIST_APS ) );
  aps0.setAPSId( 0 );
  aps0.setAPSType( SCALING_LIST_APS );
#endif

  // initialize SPS
  xInitSPS(sps0);
  xInitVPS(m_cVPS);

  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())
  {
    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 || ENABLE_WPP_PARALLELISM
  for( int jId = 0; jId < m_numCuEncStacks; jId++ )
  {
    m_cRdCost[jId].setCostMode ( m_costMode );
  }
#else
  m_cRdCost.setCostMode ( m_costMode );
#endif

  // initialize PPS
#if JVET_O1164_PS
  pps0.setPicWidthInLumaSamples( m_iSourceWidth );
  pps0.setPicHeightInLumaSamples( m_iSourceHeight );
  pps0.setConformanceWindow( m_conformanceWindow );
#endif
  xInitPPS(pps0, sps0);
  // initialize APS
  xInitRPL(sps0, isFieldCoding);

#if JVET_O1164_RPR
  if( m_rprEnabled )
  {
    PPS &pps = *( m_ppsMap.allocatePS( ENC_PPS_ID_RPR ) );
#if RPR_CONF_WINDOW
    Window& inputConfWindow = pps0.getConformanceWindow();
    int scaledWidth = int((pps0.getPicWidthInLumaSamples() - (inputConfWindow.getWindowLeftOffset() + inputConfWindow.getWindowRightOffset()) * SPS::getWinUnitX(sps0.getChromaFormatIdc())) / m_scalingRatioHor);
#else
    int scaledWidth = int(pps0.getPicWidthInLumaSamples() / m_scalingRatioHor);
#endif
    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;

#if RPR_CONF_WINDOW
    int scaledHeight = int((pps0.getPicHeightInLumaSamples() - (inputConfWindow.getWindowTopOffset() + inputConfWindow.getWindowBottomOffset()) * SPS::getWinUnitY(sps0.getChromaFormatIdc())) / m_scalingRatioVer);
#else
    int scaledHeight = int(pps0.getPicHeightInLumaSamples() / m_scalingRatioVer);
#endif
    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 );

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

#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);
  }

  // initialize processing unit classes
  m_cGOPEncoder.  init( this );
  m_cSliceEncoder.init( this, sps0 );
#if ENABLE_SPLIT_PARALLELISM || ENABLE_WPP_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(),
#if MAX_TB_SIZE_SIGNALLING
                          1 << m_log2MaxTbSize,

#else
                          MAX_TB_SIZEY,
#endif
                          m_useRDOQ,
                          m_useRDOQTS,
#if T0196_SELECTIVE_RDOQ
                          m_useSelectiveRDOQ,
#endif
                          true,
                          m_useTransformSkipFast
    );

    // 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]
    );
    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,
#if MAX_TB_SIZE_SIGNALLING
                   1 << m_log2MaxTbSize,
#else
                   MAX_TB_SIZEY,
#endif
                   m_useRDOQ,
                   m_useRDOQTS,
#if T0196_SELECTIVE_RDOQ
                   m_useSelectiveRDOQ,
#endif
                   true,
                   m_useTransformSkipFast
  );

  // 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
  );
  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() )
  {
#if JVET_O0299_APS_SCALINGLIST  
    xInitScalingLists( sps0, *m_apsMap.getPS( 1 ) );
    xInitScalingLists( sps0, aps0 );
#else
    xInitScalingLists( sps0, *m_ppsMap.getPS(1) );
    xInitScalingLists( sps0, pps0 );
#endif
  }
  else
#endif
  {
#if JVET_O0299_APS_SCALINGLIST
    xInitScalingLists( sps0, aps0 );
#else
    xInitScalingLists( sps0, pps0 );
#endif
  }
#if JVET_O1164_RPR
  if( m_rprEnabled )
  {
#if JVET_O0299_APS_SCALINGLIST
    xInitScalingLists( sps0, *m_apsMap.getPS( ENC_PPS_ID_RPR ) );
#else
    xInitScalingLists( sps0, *m_ppsMap.getPS( ENC_PPS_ID_RPR ) );
#endif
  }
#endif
#if ENABLE_WPP_PARALLELISM
  m_entropyCodingSyncContextStateVec.resize( pps0.pcv->heightInCtus );
#endif
  if (getUseCompositeRef())
  {
    Picture *picBg = new Picture;
#if JVET_O1164_PS
    picBg->create( sps0.getChromaFormatIdc(), Size( pps0.getPicWidthInLumaSamples(), pps0.getPicHeightInLumaSamples() ), sps0.getMaxCUWidth(), sps0.getMaxCUWidth() + 16, false );
#else
    picBg->create(sps0.getChromaFormatIdc(), Size(sps0.getPicWidthInLumaSamples(), sps0.getPicHeightInLumaSamples()), sps0.getMaxCUWidth(), sps0.getMaxCUWidth() + 16, false);
#endif
    picBg->getRecoBuf().fill(0);
#if JVET_O0299_APS_SCALINGLIST
    picBg->finalInit( sps0, pps0, m_apss, *m_lmcsAPS, *m_scalinglistAPS );
#else
    picBg->finalInit(sps0, pps0, m_apss, *m_lmcsAPS);
#endif
    pps0.setNumBricksInPic((int)picBg->brickMap->bricks.size());
    picBg->allocateNewSlice();
    picBg->createSpliceIdx(pps0.pcv->sizeInCtus);
    m_cGOPEncoder.setPicBg(picBg);
    Picture *picOrig = new Picture;
#if JVET_O1164_PS
    picOrig->create( sps0.getChromaFormatIdc(), Size( pps0.getPicWidthInLumaSamples(), pps0.getPicHeightInLumaSamples() ), sps0.getMaxCUWidth(), sps0.getMaxCUWidth() + 16, false );
#else
    picOrig->create(sps0.getChromaFormatIdc(), Size(sps0.getPicWidthInLumaSamples(), sps0.getPicHeightInLumaSamples()), sps0.getMaxCUWidth(), sps0.getMaxCUWidth() + 16, false);
#endif
    picOrig->getOrigBuf().fill(0);
    m_cGOPEncoder.setPicOrig(picOrig);
  }
}

#if JVET_O0299_APS_SCALINGLIST
void EncLib::xInitScalingLists( SPS &sps, APS &aps )
#else
void EncLib::xInitScalingLists(SPS &sps, PPS &pps)
#endif
{
  // 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 || ENABLE_WPP_PARALLELISM
    for( int jId = 1; jId < m_numCuEncStacks; jId++ )
    {
      getTrQuant( jId )->getQuant()->setFlatScalingList( maxLog2TrDynamicRange, sps.getBitDepths() );
      getTrQuant( jId )->getQuant()->setUseScalingList( false );
    }
#endif
#if !JVET_O0299_APS_SCALINGLIST
    sps.setScalingListPresentFlag(false);
    pps.setScalingListPresentFlag(false);
#endif
  }
  else if(getUseScalingListId() == SCALING_LIST_DEFAULT)
  {
#if JVET_O0299_APS_SCALINGLIST
    aps.getScalingList().setDefaultScalingList ();
    quant->setScalingList( &( aps.getScalingList() ), maxLog2TrDynamicRange, sps.getBitDepths() );
#else
    sps.getScalingList().setDefaultScalingList ();
    sps.setScalingListPresentFlag(false);
    pps.setScalingListPresentFlag(false);

    quant->setScalingList(&(sps.getScalingList()), maxLog2TrDynamicRange, sps.getBitDepths());
#endif
    quant->setUseScalingList(true);
#if ENABLE_SPLIT_PARALLELISM || ENABLE_WPP_PARALLELISM
    for( int jId = 1; jId < m_numCuEncStacks; jId++ )
    {
      getTrQuant( jId )->getQuant()->setUseScalingList( true );
    }
#endif
  }
  else if(getUseScalingListId() == SCALING_LIST_FILE_READ)
  {
#if JVET_O0299_APS_SCALINGLIST 
    aps.getScalingList().setDefaultScalingList();
    if( aps.getScalingList().xParseScalingList( getScalingListFileName() ) )
    {
      THROW( "parse scaling list" );
    }
    aps.getScalingList().checkDcOfMatrix();
    if( aps.getScalingList().checkDefaultScalingList() == false )
    {
      setUseScalingListId( SCALING_LIST_DEFAULT );
    }
    quant->setScalingList( &( aps.getScalingList() ), maxLog2TrDynamicRange, sps.getBitDepths() );
#else
    sps.getScalingList().setDefaultScalingList ();
    if(sps.getScalingList().xParseScalingList(getScalingListFileName()))
    {
      THROW( "parse scaling list");
    }
    sps.getScalingList().checkDcOfMatrix();
    sps.setScalingListPresentFlag(sps.getScalingList().checkDefaultScalingList());
    pps.setScalingListPresentFlag(false);

    quant->setScalingList(&(sps.getScalingList()), maxLog2TrDynamicRange, sps.getBitDepths());
#endif
    quant->setUseScalingList(true);
#if ENABLE_SPLIT_PARALLELISM || ENABLE_WPP_PARALLELISM
    for( int jId = 1; jId < m_numCuEncStacks; jId++ )
    {
      getTrQuant( jId )->getQuant()->setUseScalingList( true );
    }
#endif
  }
  else
  {
    THROW("error : ScalingList == " << getUseScalingListId() << " not supported\n");
  }

#if JVET_O0299_APS_SCALINGLIST 
  if( getUseScalingListId() == SCALING_LIST_FILE_READ )
#else
  if (getUseScalingListId() == SCALING_LIST_FILE_READ && sps.getScalingListPresentFlag())
#endif
  {
    // Prepare delta's:
    for (uint32_t sizeId = SCALING_LIST_2x2; sizeId <= SCALING_LIST_64x64; sizeId++)
    {
      for (uint32_t listId = 0; listId < SCALING_LIST_NUM; listId++)
      {
        if (((sizeId == SCALING_LIST_64x64) && (listId % (SCALING_LIST_NUM / SCALING_LIST_PRED_MODES) != 0))
         || ((sizeId == SCALING_LIST_2x2) && (listId % (SCALING_LIST_NUM / SCALING_LIST_PRED_MODES) == 0)))
        {
          continue;
        }
#if JVET_O0299_APS_SCALINGLIST 
        aps.getScalingList().checkPredMode( sizeId, listId );
#else
        sps.getScalingList().checkPredMode( sizeId, listId );
#endif
      }
    }
  }
}

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;
  }
}

/**
 - 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
 */
void EncLib::encode( 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());
#if JVET_O0299_APS_SCALINGLIST
    picCurr->finalInit( *sps, *pps, m_apss, *m_lmcsAPS, *m_scalinglistAPS );
#else
    picCurr->finalInit(*sps, *pps, m_apss, *m_lmcsAPS);
#endif
    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);
#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 JVET_O1164_RPR
    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;
      }
    }
#endif
    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 JVET_O1164_RPR
      if( m_rprEnabled )
      {
#if RPR_CTC_PRINT
        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 ) );
#endif

        const ChromaFormat chromaFormatIDC = pSPS->getChromaFormatIdc();

#if RPR_CONF_WINDOW
        const PPS *refPPS = m_ppsMap.getPS(0);
        Picture::rescalePicture( *pcPicYuvOrg, refPPS->getConformanceWindow(), pcPicCurr->getOrigBuf(), pPPS->getConformanceWindow(), chromaFormatIDC, pSPS->getBitDepths(), true, true );
        Picture::rescalePicture( *cPicYuvTrueOrg, refPPS->getConformanceWindow(), pcPicCurr->getTrueOrigBuf(), pPPS->getConformanceWindow(), chromaFormatIDC, pSPS->getBitDepths(), true, true );
#else
        Picture::rescalePicture(*pcPicYuvOrg, pcPicCurr->getOrigBuf(), chromaFormatIDC, pSPS->getBitDepths(), true, true);
        Picture::rescalePicture(*cPicYuvTrueOrg, pcPicCurr->getTrueOrigBuf(), chromaFormatIDC, pSPS->getBitDepths(), true, true);
#endif
      }
      else
      {
        pcPicCurr->M_BUFS( 0, PIC_ORIGINAL ).swap( *pcPicYuvOrg );
        pcPicCurr->M_BUFS( 0, PIC_TRUE_ORIGINAL ).swap( *cPicYuvTrueOrg );
      }
#else
      pcPicCurr->M_BUFS( 0, PIC_ORIGINAL ).swap( *pcPicYuvOrg );
      pcPicCurr->M_BUFS( 0, PIC_TRUE_ORIGINAL ).swap(*cPicYuvTrueOrg );
#endif

#if JVET_O0299_APS_SCALINGLIST
      pcPicCurr->finalInit( *pSPS, *pPPS, m_apss, *m_lmcsAPS, *m_scalinglistAPS );
#else
      pcPicCurr->finalInit(*pSPS, *pPPS, m_apss, *m_lmcsAPS);
#endif
      PPS *ptrPPS = (ppsID<0) ? m_ppsMap.getFirstPS() : m_ppsMap.getPS(ppsID);
      ptrPPS->setNumBricksInPic((int)pcPicCurr->brickMap->bricks.size());
    }

    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;
  }

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

  // compress GOP
  m_cGOPEncoder.compressGOP(m_iPOCLast, m_iNumPicRcvd, m_cListPic, rcListPicYuvRecOut,
                            false, false, snrCSC, m_printFrameMSE
    , false
  );
#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;
}

/**------------------------------------------------
 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;
  }

}

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

  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);
        }
      }

      {
        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());
#if JVET_O0299_APS_SCALINGLIST
        pcField->finalInit( *pSPS, *pPPS, m_apss, *m_lmcsAPS, *m_scalinglistAPS );
#else
        pcField->finalInit(*pSPS, *pPPS, m_apss, *m_lmcsAPS);
#endif
      }

      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 ( m_iNumPicRcvd && ((flush&&fieldNum==1) || (m_iPOCLast/2)==0 || m_iNumPicRcvd==m_iGOPSize ) )
    {
      // compress GOP
      m_cGOPEncoder.compressGOP(m_iPOCLast, m_iNumPicRcvd, m_cListPic, rcListPicYuvRecOut, true, isTff, snrCSC, m_printFrameMSE
                              , false
      );
#if JVET_O0756_CALCULATE_HDRMETRICS
      m_metricTime = m_cGOPEncoder.getMetricTime();
#endif

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


// ====================================================================================================================
// 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 he 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 )
      {
        break;
      }
      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 (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;
#if JVET_O1164_PS
    rpcPic->create( sps.getChromaFormatIdc(), Size( pps.getPicWidthInLumaSamples(), pps.getPicHeightInLumaSamples() ), sps.getMaxCUWidth(), sps.getMaxCUWidth() + 16, false );
#if RPR_CTC_PRINT
    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() ) ) );
    }
#endif
#else
    rpcPic->create( sps.getChromaFormatIdc(), Size( sps.getPicWidthInLumaSamples(), sps.getPicHeightInLumaSamples()), sps.getMaxCUWidth(), sps.getMaxCUWidth()+16, false );
#endif
    if ( getUseAdaptiveQP() )
    {
      const uint32_t iMaxDQPLayer = pps.getCuQpDeltaSubdiv()/2+1;
      rpcPic->aqlayer.resize( iMaxDQPLayer );
      for (uint32_t d = 0; d < iMaxDQPLayer; d++)
      {