source: 3DVCSoftware/branches/HTM-15.1-MV-draft-4/source/Lib/TLibEncoder/TEncTop.cpp @ 1389

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/** \file     TEncTop.cpp
    \brief    encoder class
*/

#include "TLibCommon/CommonDef.h"
#include "TEncTop.h"
#include "TEncPic.h"
#include "TLibCommon/TComChromaFormat.h"
#if FAST_BIT_EST
#include "TLibCommon/ContextModel.h"
#endif
#if NH_MV
#include "../../App/TAppEncoder/TAppEncTop.h"
#endif

//! \ingroup TLibEncoder
//! \{

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

TEncTop::TEncTop()
{
  m_iPOCLast          = -1;
  m_iNumPicRcvd       =  0;
  m_uiNumAllPicCoded  =  0;
  m_pppcRDSbacCoder   =  NULL;
  m_pppcBinCoderCABAC =  NULL;
  m_cRDGoOnSbacCoder.init( &m_cRDGoOnBinCoderCABAC );
#if ENC_DEC_TRACE
  if (g_hTrace == NULL)
  {
    g_hTrace = fopen( "TraceEnc.txt", "wb" );
  }
  g_bJustDoIt = g_bEncDecTraceDisable;
  g_nSymbolCounter = 0;
#endif

  m_iMaxRefPicNum     = 0;

#if FAST_BIT_EST
  ContextModel::buildNextStateTable();
#endif
#if NH_MV
  m_ivPicLists = NULL;
#endif
#if NH_MV
  m_cCavlcCoder.setEncTop(this); 
#endif

}

TEncTop::~TEncTop()
{
#if ENC_DEC_TRACE
  if (g_hTrace != stdout)
  {
    fclose( g_hTrace );
  }
#endif
}

Void TEncTop::create ()
{
#if !NH_MV
  // initialize global variables
  initROM();
#endif

  // create processing unit classes
  m_cGOPEncoder.        create( );
  m_cSliceEncoder.      create( getSourceWidth(), getSourceHeight(), m_chromaFormatIDC, m_maxCUWidth, m_maxCUHeight, m_maxTotalCUDepth );
  m_cCuEncoder.         create( m_maxTotalCUDepth, m_maxCUWidth, m_maxCUHeight, m_chromaFormatIDC );
  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());
  }
#if ADAPTIVE_QP_SELECTION
  if (m_bUseAdaptQpSelect)
  {
    m_cTrQuant.initSliceQpDelta();
  }
#endif

  m_cLoopFilter.create( m_maxTotalCUDepth );

  if ( m_RCEnableRateControl )
  {
    m_cRateCtrl.init( m_framesToBeEncoded, m_RCTargetBitrate, m_iFrameRate, m_iGOPSize, m_iSourceWidth, m_iSourceHeight,
        m_maxCUWidth, m_maxCUHeight, m_RCKeepHierarchicalBit, m_RCUseLCUSeparateModel, m_GOPList );
  }

  m_pppcRDSbacCoder = new TEncSbac** [m_maxTotalCUDepth+1];
#if FAST_BIT_EST
  m_pppcBinCoderCABAC = new TEncBinCABACCounter** [m_maxTotalCUDepth+1];
#else
  m_pppcBinCoderCABAC = new TEncBinCABAC** [m_maxTotalCUDepth+1];
#endif

  for ( Int iDepth = 0; iDepth < m_maxTotalCUDepth+1; iDepth++ )
  {
    m_pppcRDSbacCoder[iDepth] = new TEncSbac* [CI_NUM];
#if FAST_BIT_EST
    m_pppcBinCoderCABAC[iDepth] = new TEncBinCABACCounter* [CI_NUM];
#else
    m_pppcBinCoderCABAC[iDepth] = new TEncBinCABAC* [CI_NUM];
#endif

    for (Int iCIIdx = 0; iCIIdx < CI_NUM; iCIIdx ++ )
    {
      m_pppcRDSbacCoder[iDepth][iCIIdx] = new TEncSbac;
#if FAST_BIT_EST
      m_pppcBinCoderCABAC [iDepth][iCIIdx] = new TEncBinCABACCounter;
#else
      m_pppcBinCoderCABAC [iDepth][iCIIdx] = new TEncBinCABAC;
#endif
      m_pppcRDSbacCoder   [iDepth][iCIIdx]->init( m_pppcBinCoderCABAC [iDepth][iCIIdx] );
    }
  }
}

Void TEncTop::destroy ()
{
  // destroy processing unit classes
  m_cGOPEncoder.        destroy();
  m_cSliceEncoder.      destroy();
  m_cCuEncoder.         destroy();
  m_cEncSAO.            destroyEncData();
  m_cEncSAO.            destroy();
  m_cLoopFilter.        destroy();
  m_cRateCtrl.          destroy();
  m_cSearch.            destroy();
  Int iDepth;
  for ( iDepth = 0; iDepth < m_maxTotalCUDepth+1; iDepth++ )
  {
    for (Int iCIIdx = 0; iCIIdx < CI_NUM; iCIIdx ++ )
    {
      delete m_pppcRDSbacCoder[iDepth][iCIIdx];
      delete m_pppcBinCoderCABAC[iDepth][iCIIdx];
    }
  }

  for ( iDepth = 0; iDepth < m_maxTotalCUDepth+1; iDepth++ )
  {
    delete [] m_pppcRDSbacCoder[iDepth];
    delete [] m_pppcBinCoderCABAC[iDepth];
  }

  delete [] m_pppcRDSbacCoder;
  delete [] m_pppcBinCoderCABAC;

#if !NH_MV
  // destroy ROM
  destroyROM();
#endif

  return;
}

Void TEncTop::init(Bool isFieldCoding)
{
  // initialize SPS
  xInitSPS();
  xInitVPS();

  m_cRdCost.setCostMode(m_costMode);

#if NH_MV
  // This seems to be incorrect, but irrelevant for the MV-HEVC
  *(m_cVPS->getPTL()) = *m_cSPS.getPTL();
  m_cVPS->getTimingInfo()->setTimingInfoPresentFlag       ( false );
#endif
  // initialize PPS
  xInitPPS();
  xInitRPS(isFieldCoding);

  xInitPPSforTiles();

  // initialize processing unit classes
  m_cGOPEncoder.  init( this );
  m_cSliceEncoder.init( this );
  m_cCuEncoder.   init( this );

  // initialize transform & quantization class
  m_pcCavlcCoder = getCavlcCoder();

  m_cTrQuant.init( 1 << m_uiQuadtreeTULog2MaxSize,
                   m_useRDOQ,
                   m_useRDOQTS,
#if T0196_SELECTIVE_RDOQ
                   m_useSelectiveRDOQ,
#endif
                   true
                  ,m_useTransformSkipFast
#if ADAPTIVE_QP_SELECTION
                  ,m_bUseAdaptQpSelect
#endif
                  );

  // initialize encoder search class
  m_cSearch.init( this, &m_cTrQuant, m_iSearchRange, m_bipredSearchRange, m_iFastSearch, m_maxCUWidth, m_maxCUHeight, m_maxTotalCUDepth, &m_cEntropyCoder, &m_cRdCost, getRDSbacCoder(), getRDGoOnSbacCoder() );

  m_iMaxRefPicNum = 0;

  xInitScalingLists();
}

Void TEncTop::xInitScalingLists()
{
  // 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] =
  {
      m_cSPS.getMaxLog2TrDynamicRange(CHANNEL_TYPE_LUMA),
      m_cSPS.getMaxLog2TrDynamicRange(CHANNEL_TYPE_CHROMA)
  };
  if(getUseScalingListId() == SCALING_LIST_OFF)
  {
    getTrQuant()->setFlatScalingList(maxLog2TrDynamicRange, m_cSPS.getBitDepths());
    getTrQuant()->setUseScalingList(false);
    m_cSPS.setScalingListPresentFlag(false);
    m_cPPS.setScalingListPresentFlag(false);
  }
  else if(getUseScalingListId() == SCALING_LIST_DEFAULT)
  {
    m_cSPS.getScalingList().setDefaultScalingList ();
    m_cSPS.setScalingListPresentFlag(false);
    m_cPPS.setScalingListPresentFlag(false);

    getTrQuant()->setScalingList(&(m_cSPS.getScalingList()), maxLog2TrDynamicRange, m_cSPS.getBitDepths());
    getTrQuant()->setUseScalingList(true);
  }
  else if(getUseScalingListId() == SCALING_LIST_FILE_READ)
  {
    m_cSPS.getScalingList().setDefaultScalingList ();
    if(m_cSPS.getScalingList().xParseScalingList(getScalingListFile()))
    {
      Bool bParsedScalingList=false; // Use of boolean so that assertion outputs useful string
      assert(bParsedScalingList);
      exit(1);
    }
    m_cSPS.getScalingList().checkDcOfMatrix();
    m_cSPS.setScalingListPresentFlag(m_cSPS.getScalingList().checkDefaultScalingList());
    m_cPPS.setScalingListPresentFlag(false);
    getTrQuant()->setScalingList(&(m_cSPS.getScalingList()), maxLog2TrDynamicRange, m_cSPS.getBitDepths());
    getTrQuant()->setUseScalingList(true);
  }
  else
  {
    printf("error : ScalingList == %d not supported\n",getUseScalingListId());
    assert(0);
  }

  if (getUseScalingListId() != SCALING_LIST_OFF)
  {  
    // Prepare delta's:
  for(UInt sizeId = 0; sizeId < SCALING_LIST_SIZE_NUM; sizeId++)
  {
    const Int predListStep = (sizeId == SCALING_LIST_32x32? (SCALING_LIST_NUM/NUMBER_OF_PREDICTION_MODES) : 1); // if 32x32, skip over chroma entries.

    for(UInt listId = 0; listId < SCALING_LIST_NUM; listId+=predListStep)
    {
      m_cSPS.getScalingList().checkPredMode( sizeId, listId );
    }
  }
  }
}

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

#if NH_MV
Void TEncTop::initNewPic( TComPicYuv* pcPicYuvOrg )
{
  TComPic* pcPicCurr = NULL;

  // get original YUV
  xGetNewPicBuffer( pcPicCurr );
  pcPicYuvOrg->copyToPic( pcPicCurr->getPicYuvOrg() );

  // compute image characteristics
  if ( getUseAdaptiveQP() )
  {
    m_cPreanalyzer.xPreanalyze( dynamic_cast<TEncPic*>( pcPicCurr ) );
  }
  pcPicCurr->setLayerId( getLayerId()); 
}
#endif

Void TEncTop::deletePicBuffer()
{

#if !NH_MV
  TComList<TComPic*>::iterator iterPic = m_cListPic.begin();
  Int iSize = Int( m_cListPic.size() );
  for ( Int i = 0; i < iSize; i++ )
  {
    TComPic* pcPic = *(iterPic++);

    pcPic->destroy();
    delete pcPic;
    pcPic = NULL;
  }
#endif
}

/**
 - 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
 */
#if NH_MV
Void TEncTop::encode( Bool flush, TComPicYuv* pcPicYuvOrg, TComPicYuv* pcPicYuvTrueOrg, const InputColourSpaceConversion snrCSC, TComList<TComPicYuv*>& rcListPicYuvRecOut, std::list<AccessUnit>& accessUnitsOut, Int& iNumEncoded, Int gopId )
{
#else
Void TEncTop::encode( Bool flush, TComPicYuv* pcPicYuvOrg, TComPicYuv* pcPicYuvTrueOrg, const InputColourSpaceConversion snrCSC, TComList<TComPicYuv*>& rcListPicYuvRecOut, std::list<AccessUnit>& accessUnitsOut, Int& iNumEncoded )
{
#endif
#if NH_MV
  if( gopId == 0)
  {
    m_cGOPEncoder.initGOP(m_iPOCLast, m_iNumPicRcvd, *(m_ivPicLists->getSubDpb( getLayerId(), false )), rcListPicYuvRecOut, accessUnitsOut);  
#else
  if (pcPicYuvOrg != NULL)
  {
    // get original YUV
    TComPic* pcPicCurr = NULL;

    xGetNewPicBuffer( pcPicCurr );
    pcPicYuvOrg->copyToPic( pcPicCurr->getPicYuvOrg() );
    pcPicYuvTrueOrg->copyToPic( pcPicCurr->getPicYuvTrueOrg() );

    // compute image characteristics
    if ( getUseAdaptiveQP() )
    {
      m_cPreanalyzer.xPreanalyze( dynamic_cast<TEncPic*>( pcPicCurr ) );
    }
  }

  if ((m_iNumPicRcvd == 0) || (!flush && (m_iPOCLast != 0) && (m_iNumPicRcvd != m_iGOPSize) && (m_iGOPSize != 0)))
  {
    iNumEncoded = 0;
    return;
  }
#endif
  if ( m_RCEnableRateControl )
  {
    m_cRateCtrl.initRCGOP( m_iNumPicRcvd );
  }
#if NH_MV
  }
  m_cGOPEncoder.compressPicInGOP(m_iPOCLast, m_iNumPicRcvd, *(m_ivPicLists->getSubDpb(getLayerId(), false) ), rcListPicYuvRecOut, accessUnitsOut, false, false, snrCSC, m_printFrameMSE, gopId);

  if( gopId + 1 == m_cGOPEncoder.getGOPSize() )
  {
#else
  // compress GOP
  m_cGOPEncoder.compressGOP(m_iPOCLast, m_iNumPicRcvd, m_cListPic, rcListPicYuvRecOut, accessUnitsOut, false, false, snrCSC, m_printFrameMSE);
#endif
  if ( m_RCEnableRateControl )
  {
    m_cRateCtrl.destroyRCGOP();
  }

  iNumEncoded         = m_iNumPicRcvd;
  m_iNumPicRcvd       = 0;
  m_uiNumAllPicCoded += iNumEncoded;
#if NH_MV
}
#endif
}

/**------------------------------------------------
 Separate interlaced frame into two fields
 -------------------------------------------------**/
Void separateFields(Pel* org, Pel* dstField, UInt stride, UInt width, UInt 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;
  }

}
#if NH_MV
Void TEncTop::encode(Bool flush, TComPicYuv* pcPicYuvOrg, TComPicYuv* pcPicYuvTrueOrg, const InputColourSpaceConversion snrCSC, TComList<TComPicYuv*>& rcListPicYuvRecOut, std::list<AccessUnit>& accessUnitsOut, Int& iNumEncoded, Bool isTff, Int gopId )
{
  assert( 0 ); // Field coding and multiview need to be further harmonized. 
}
#else
Void TEncTop::encode(Bool flush, TComPicYuv* pcPicYuvOrg, TComPicYuv* pcPicYuvTrueOrg, const InputColourSpaceConversion snrCSC, TComList<TComPicYuv*>& rcListPicYuvRecOut, std::list<AccessUnit>& accessUnitsOut, Int& iNumEncoded, Bool isTff)
{
  iNumEncoded = 0;

  for (Int fieldNum=0; fieldNum<2; fieldNum++)
  {
    if (pcPicYuvOrg)
    {

      /* -- field initialization -- */
      const Bool isTopField=isTff==(fieldNum==0);

      TComPic *pcField;
      xGetNewPicBuffer( pcField );
      pcField->setReconMark (false);                     // where is this normally?

      if (fieldNum==1)                                   // where is this normally?
      {
        TComPicYuv* rpcPicYuvRec;

        // org. buffer
        if ( rcListPicYuvRecOut.size() >= (UInt)m_iGOPSize+1 ) // need to maintain field 0 in list of RecOuts while processing field 1. Hence +1 on m_iGOPSize.
        {
          rpcPicYuvRec = rcListPicYuvRecOut.popFront();
        }
        else
        {
          rpcPicYuvRec = new TComPicYuv;
          rpcPicYuvRec->create( m_iSourceWidth, m_iSourceHeight, m_chromaFormatIDC, m_maxCUWidth, m_maxCUHeight, m_maxTotalCUDepth, true);
        }
        rcListPicYuvRecOut.pushBack( rpcPicYuvRec );
      }

      pcField->getSlice(0)->setPOC( m_iPOCLast );        // superfluous?
      pcField->getPicYuvRec()->setBorderExtension(false);// where is this normally?

      pcField->setTopField(isTopField);                  // interlaced requirement

      for (UInt componentIndex = 0; componentIndex < pcPicYuvOrg->getNumberValidComponents(); componentIndex++)
      {
        const ComponentID component = ComponentID(componentIndex);
        const UInt stride = pcPicYuvOrg->getStride(component);

        separateFields((pcPicYuvOrg->getBuf(component) + pcPicYuvOrg->getMarginX(component) + (pcPicYuvOrg->getMarginY(component) * stride)),
                       pcField->getPicYuvOrg()->getAddr(component),
                       pcPicYuvOrg->getStride(component),
                       pcPicYuvOrg->getWidth(component),
                       pcPicYuvOrg->getHeight(component),
                       isTopField);

        separateFields((pcPicYuvTrueOrg->getBuf(component) + pcPicYuvTrueOrg->getMarginX(component) + (pcPicYuvTrueOrg->getMarginY(component) * stride)),
                       pcField->getPicYuvTrueOrg()->getAddr(component),
                       pcPicYuvTrueOrg->getStride(component),
                       pcPicYuvTrueOrg->getWidth(component),
                       pcPicYuvTrueOrg->getHeight(component),
                       isTopField);
      }

      // compute image characteristics
      if ( getUseAdaptiveQP() )
      {
        m_cPreanalyzer.xPreanalyze( dynamic_cast<TEncPic*>( 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, accessUnitsOut, true, isTff, snrCSC, m_printFrameMSE);

      iNumEncoded += m_iNumPicRcvd;
      m_uiNumAllPicCoded += m_iNumPicRcvd;
      m_iNumPicRcvd = 0;
    }
  }
}
#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 TEncTop::xGetNewPicBuffer ( TComPic*& rpcPic )
{
  // At this point, the SPS and PPS can be considered activated - they are copied to the new TComPic.

#if NH_MV
  TComList<TComPic*>& cListPic = *(m_ivPicLists->getSubDpb(getLayerId(), false) );
  TComSlice::sortPicList(cListPic);
#else
  TComSlice::sortPicList(m_cListPic);
#endif


#if NH_MV
  if (cListPic.size() >= (UInt)(m_iGOPSize + getMaxDecPicBuffering(MAX_TLAYER-1) + 2) )
  {
    TComList<TComPic*>::iterator iterPic  = cListPic.begin();
    Int iSize = Int( cListPic.size() );
#else
  if (m_cListPic.size() >= (UInt)(m_iGOPSize + getMaxDecPicBuffering(MAX_TLAYER-1) + 2) )
  {
    TComList<TComPic*>::iterator iterPic  = m_cListPic.begin();
    Int iSize = Int( m_cListPic.size() );
#endif
    for ( Int i = 0; i < iSize; i++ )
    {
      rpcPic = *(iterPic++);
      if(rpcPic->getSlice(0)->isReferenced() == false)
      {
        break;
      }
    }
  }
  else
  {
    if ( getUseAdaptiveQP() )
    {
      TEncPic* pcEPic = new TEncPic;
      pcEPic->create( m_cSPS, m_cPPS, m_cPPS.getMaxCuDQPDepth()+1, false);
      rpcPic = pcEPic;
    }
    else
    {
      rpcPic = new TComPic;
      rpcPic->create( m_cSPS, m_cPPS, false );
    }

#if NH_MV
    cListPic.pushBack( rpcPic );
#else
    m_cListPic.pushBack( rpcPic );
#endif
  }
  rpcPic->setReconMark (false);

  m_iPOCLast++;
  m_iNumPicRcvd++;

  rpcPic->getSlice(0)->setPOC( m_iPOCLast );
  // mark it should be extended
  rpcPic->getPicYuvRec()->setBorderExtension(false);
#if NH_MV
  rpcPic->getPicYuvOrg()->setBorderExtension(false);
#endif

}

Void TEncTop::xInitVPS()
{
  // The SPS must have already been set up.
  // set the VPS profile information.
#if NH_MV
  // Do initialization in TAppEncTop
#else
  *m_cVPS.getPTL() = *m_cSPS.getPTL();
  m_cVPS.setMaxOpSets(1);
  m_cVPS.getTimingInfo()->setTimingInfoPresentFlag       ( false );
  m_cVPS.setNumHrdParameters( 0 );

  m_cVPS.createHrdParamBuffer();
  for( UInt i = 0; i < m_cVPS.getNumHrdParameters(); i ++ )
  {
    m_cVPS.setHrdOpSetIdx( 0, i );
    m_cVPS.setCprmsPresentFlag( false, i );
    // Set up HrdParameters here.
  }
#endif
}

Void TEncTop::xInitSPS()
{
#if NH_MV
  m_cSPS.setSPSId( getLayerIdInVps() );
  m_cSPS.setLayerId( getLayerId() );
 // Code below needs to be moved to VPS
#endif
  ProfileTierLevel& profileTierLevel = *m_cSPS.getPTL()->getGeneralPTL();
  profileTierLevel.setLevelIdc(m_level);
  profileTierLevel.setTierFlag(m_levelTier);
  profileTierLevel.setProfileIdc(m_profile);
  profileTierLevel.setProfileCompatibilityFlag(m_profile, 1);
  profileTierLevel.setProgressiveSourceFlag(m_progressiveSourceFlag);
  profileTierLevel.setInterlacedSourceFlag(m_interlacedSourceFlag);
  profileTierLevel.setNonPackedConstraintFlag(m_nonPackedConstraintFlag);
  profileTierLevel.setFrameOnlyConstraintFlag(m_frameOnlyConstraintFlag);
  profileTierLevel.setBitDepthConstraint(m_bitDepthConstraintValue);
  profileTierLevel.setChromaFormatConstraint(m_chromaFormatConstraintValue);
  profileTierLevel.setIntraConstraintFlag(m_intraConstraintFlag);
  profileTierLevel.setOnePictureOnlyConstraintFlag(m_onePictureOnlyConstraintFlag);
  profileTierLevel.setLowerBitRateConstraintFlag(m_lowerBitRateConstraintFlag);

  if ((m_profile == Profile::MAIN10) && (m_bitDepth[CHANNEL_TYPE_LUMA] == 8) && (m_bitDepth[CHANNEL_TYPE_CHROMA] == 8))
  {
    /* The above constraint is equal to Profile::MAIN */
    profileTierLevel.setProfileCompatibilityFlag(Profile::MAIN, 1);
  }
  if (m_profile == Profile::MAIN)
  {
    /* A Profile::MAIN10 decoder can always decode Profile::MAIN */
    profileTierLevel.setProfileCompatibilityFlag(Profile::MAIN10, 1);
  }
  /* 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 */
#if NH_MV  
  m_cSPS.setUpdateRepFormatFlag           ( false );    
  Bool multiLayerExtensionFlag  = ( getLayerId() > 0 ) && ( m_cVPS->getNumRefLayers( getLayerId() ) > 0 ); 
  
  m_cSPS.setSpsExtOrMaxSubLayersMinus1( multiLayerExtensionFlag ? 7 : m_maxTempLayer - 1 );
  if ( multiLayerExtensionFlag )
  {
    m_cSPS.setSpsInferScalingListFlag   ( true ); 
    m_cSPS.setSpsScalingListRefLayerId( m_cVPS->getIdRefLayer( getLayerId(), 0 ) ); 
#if NH_MV
    if ( m_bUseDisparitySearchRangeRestriction )
    {
      m_cSPS.setInterViewMvVertConstraintFlag ( true ) ;
    }
#endif
  }  
  m_cSPS.setSpsExtensionPresentFlag       ( true ); 
  m_cSPS.setSpsMultilayerExtensionFlag    ( true ); 
#endif

  m_cSPS.setPicWidthInLumaSamples  ( m_iSourceWidth      );
  m_cSPS.setPicHeightInLumaSamples ( m_iSourceHeight     );
  m_cSPS.setConformanceWindow      ( m_conformanceWindow );
  m_cSPS.setMaxCUWidth             ( m_maxCUWidth        );
  m_cSPS.setMaxCUHeight            ( m_maxCUHeight       );
  m_cSPS.setMaxTotalCUDepth        ( m_maxTotalCUDepth   );
  m_cSPS.setChromaFormatIdc( m_chromaFormatIDC);
  m_cSPS.setLog2DiffMaxMinCodingBlockSize(m_log2DiffMaxMinCodingBlockSize);

  Int minCUSize = m_cSPS.getMaxCUWidth() >> ( m_cSPS.getLog2DiffMaxMinCodingBlockSize() );
  Int log2MinCUSize = 0;
  while(minCUSize > 1)
  {
    minCUSize >>= 1;
    log2MinCUSize++;
  }

  m_cSPS.setLog2MinCodingBlockSize(log2MinCUSize);

  m_cSPS.setPCMLog2MinSize (m_uiPCMLog2MinSize);
  m_cSPS.setUsePCM        ( m_usePCM           );
  m_cSPS.setPCMLog2MaxSize( m_pcmLog2MaxSize  );

  m_cSPS.setQuadtreeTULog2MaxSize( m_uiQuadtreeTULog2MaxSize );
  m_cSPS.setQuadtreeTULog2MinSize( m_uiQuadtreeTULog2MinSize );
  m_cSPS.setQuadtreeTUMaxDepthInter( m_uiQuadtreeTUMaxDepthInter    );
  m_cSPS.setQuadtreeTUMaxDepthIntra( m_uiQuadtreeTUMaxDepthIntra    );

  m_cSPS.setTMVPFlagsPresent((getTMVPModeId() == 2 || getTMVPModeId() == 1));

  m_cSPS.setMaxTrSize   ( 1 << m_uiQuadtreeTULog2MaxSize );

  m_cSPS.setUseAMP ( m_useAMP );

  for (UInt channelType = 0; channelType < MAX_NUM_CHANNEL_TYPE; channelType++)
  {
    m_cSPS.setBitDepth      (ChannelType(channelType), m_bitDepth[channelType] );
#if O0043_BEST_EFFORT_DECODING
    m_cSPS.setStreamBitDepth(ChannelType(channelType), m_bitDepth[channelType] );
#endif
    m_cSPS.setQpBDOffset  (ChannelType(channelType), (6 * (m_bitDepth[channelType] - 8)));
    m_cSPS.setPCMBitDepth (ChannelType(channelType), m_PCMBitDepth[channelType]         );
  }
#if NH_MV
  m_cSPS.inferRepFormat( m_cVPS, getLayerId(), true ); 
#endif
m_cSPS.setUseSAO( m_bUseSAO );

  m_cSPS.setMaxTLayers( m_maxTempLayer );
  m_cSPS.setTemporalIdNestingFlag( ( m_maxTempLayer == 1 ) ? true : false );

  for (Int i = 0; i < min(m_cSPS.getMaxTLayers(),(UInt) MAX_TLAYER); i++ )
  {
    m_cSPS.setMaxDecPicBuffering(m_maxDecPicBuffering[i], i);
    m_cSPS.setNumReorderPics(m_numReorderPics[i], i);
  }
#if NH_MV
  for ( Int ols = 0; ols < m_cVPS->getNumOutputLayerSets(); ols++)
  {
    // Check MaxDecPicBuffering
    const std::vector<Int>& targetDecLayerIdList = m_cVPS->getTargetDecLayerIdList( m_cVPS->olsIdxToLsIdx( ols )); 
    for( Int is = 0; is < targetDecLayerIdList.size(); is++  )
    {
      if ( m_cVPS->getNecessaryLayerFlag( ols, is ) )
      {      
        m_cSPS.inferSpsMaxDecPicBufferingMinus1( m_cVPS, ols, targetDecLayerIdList[is], true );       
      }
    }
  }
#endif


  m_cSPS.setPCMFilterDisableFlag  ( m_bPCMFilterDisableFlag );
  m_cSPS.setScalingListFlag ( (m_useScalingListId == SCALING_LIST_OFF) ? 0 : 1 );
  m_cSPS.setUseStrongIntraSmoothing( m_useStrongIntraSmoothing );
  m_cSPS.setVuiParametersPresentFlag(getVuiParametersPresentFlag());

  if (m_cSPS.getVuiParametersPresentFlag())
  {
    TComVUI* pcVUI = m_cSPS.getVuiParameters();
    pcVUI->setAspectRatioInfoPresentFlag(getAspectRatioInfoPresentFlag());
    pcVUI->setAspectRatioIdc(getAspectRatioIdc());
    pcVUI->setSarWidth(getSarWidth());
    pcVUI->setSarHeight(getSarHeight());
    pcVUI->setOverscanInfoPresentFlag(getOverscanInfoPresentFlag());
    pcVUI->setOverscanAppropriateFlag(getOverscanAppropriateFlag());
#if NH_MV
    pcVUI->setVideoSignalTypePresentFlag(getVideoSignalTypePresentFlag() && getLayerId() == 0 );
#else
    pcVUI->setVideoSignalTypePresentFlag(getVideoSignalTypePresentFlag());
#endif
    pcVUI->setVideoFormat(getVideoFormat());
    pcVUI->setVideoFullRangeFlag(getVideoFullRangeFlag());
    pcVUI->setColourDescriptionPresentFlag(getColourDescriptionPresentFlag());
    pcVUI->setColourPrimaries(getColourPrimaries());
    pcVUI->setTransferCharacteristics(getTransferCharacteristics());
    pcVUI->setMatrixCoefficients(getMatrixCoefficients());
    pcVUI->setChromaLocInfoPresentFlag(getChromaLocInfoPresentFlag());
    pcVUI->setChromaSampleLocTypeTopField(getChromaSampleLocTypeTopField());
    pcVUI->setChromaSampleLocTypeBottomField(getChromaSampleLocTypeBottomField());
    pcVUI->setNeutralChromaIndicationFlag(getNeutralChromaIndicationFlag());
    pcVUI->setDefaultDisplayWindow(getDefaultDisplayWindow());
    pcVUI->setFrameFieldInfoPresentFlag(getFrameFieldInfoPresentFlag());
    pcVUI->setFieldSeqFlag(false);
    pcVUI->setHrdParametersPresentFlag(false);
    pcVUI->getTimingInfo()->setPocProportionalToTimingFlag(getPocProportionalToTimingFlag());
    pcVUI->getTimingInfo()->setNumTicksPocDiffOneMinus1   (getNumTicksPocDiffOneMinus1()   );
    pcVUI->setBitstreamRestrictionFlag(getBitstreamRestrictionFlag());
    pcVUI->setTilesFixedStructureFlag(getTilesFixedStructureFlag());
    pcVUI->setMotionVectorsOverPicBoundariesFlag(getMotionVectorsOverPicBoundariesFlag());
    pcVUI->setMinSpatialSegmentationIdc(getMinSpatialSegmentationIdc());
    pcVUI->setMaxBytesPerPicDenom(getMaxBytesPerPicDenom());
    pcVUI->setMaxBitsPerMinCuDenom(getMaxBitsPerMinCuDenom());
    pcVUI->setLog2MaxMvLengthHorizontal(getLog2MaxMvLengthHorizontal());
    pcVUI->setLog2MaxMvLengthVertical(getLog2MaxMvLengthVertical());
  }
  m_cSPS.setNumLongTermRefPicSPS(NUM_LONG_TERM_REF_PIC_SPS);
  assert (NUM_LONG_TERM_REF_PIC_SPS <= MAX_NUM_LONG_TERM_REF_PICS);
  for (Int k = 0; k < NUM_LONG_TERM_REF_PIC_SPS; k++)
  {
    m_cSPS.setLtRefPicPocLsbSps(k, 0);
    m_cSPS.setUsedByCurrPicLtSPSFlag(k, 0);
  }
  if( getPictureTimingSEIEnabled() || getDecodingUnitInfoSEIEnabled() )
  {
    xInitHrdParameters();
  }
  if( getBufferingPeriodSEIEnabled() || getPictureTimingSEIEnabled() || getDecodingUnitInfoSEIEnabled() )
  {
    m_cSPS.getVuiParameters()->setHrdParametersPresentFlag( true );
  }

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

}

Void TEncTop::xInitHrdParameters()
{
  Bool useSubCpbParams = (getSliceMode() > 0) || (getSliceSegmentMode() > 0);
  Int  bitRate         = getTargetBitrate();
  Bool isRandomAccess  = getIntraPeriod() > 0;

  if( !getVuiParametersPresentFlag() )
  {
    return;
  }

  TComVUI *vui = m_cSPS.getVuiParameters();
  TComHRD *hrd = vui->getHrdParameters();

  TimingInfo *timingInfo = vui->getTimingInfo();
  timingInfo->setTimingInfoPresentFlag( true );
  switch( getFrameRate() )
  {
  case 24:
    timingInfo->setNumUnitsInTick( 1125000 );    timingInfo->setTimeScale    ( 27000000 );
    break;
  case 25:
    timingInfo->setNumUnitsInTick( 1080000 );    timingInfo->setTimeScale    ( 27000000 );
    break;
  case 30:
    timingInfo->setNumUnitsInTick( 900900 );     timingInfo->setTimeScale    ( 27000000 );
    break;
  case 50:
    timingInfo->setNumUnitsInTick( 540000 );     timingInfo->setTimeScale    ( 27000000 );
    break;
  case 60:
    timingInfo->setNumUnitsInTick( 450450 );     timingInfo->setTimeScale    ( 27000000 );
    break;
  default:
    timingInfo->setNumUnitsInTick( 1001 );       timingInfo->setTimeScale    ( 60000 );
    break;
  }

  Bool rateCnt = ( bitRate > 0 );
  hrd->setNalHrdParametersPresentFlag( rateCnt );
  hrd->setVclHrdParametersPresentFlag( rateCnt );

  hrd->setSubPicCpbParamsPresentFlag( useSubCpbParams );

  if( hrd->getSubPicCpbParamsPresentFlag() )
  {
    hrd->setTickDivisorMinus2( 100 - 2 );                          //
    hrd->setDuCpbRemovalDelayLengthMinus1( 7 );                    // 8-bit precision ( plus 1 for last DU in AU )
    hrd->setSubPicCpbParamsInPicTimingSEIFlag( true );
    hrd->setDpbOutputDelayDuLengthMinus1( 5 + 7 );                 // With sub-clock tick factor of 100, at least 7 bits to have the same value as AU dpb delay
  }
  else
  {
    hrd->setSubPicCpbParamsInPicTimingSEIFlag( false );
  }

  hrd->setBitRateScale( 4 );                                       // in units of 2^( 6 + 4 ) = 1,024 bps
  hrd->setCpbSizeScale( 6 );                                       // in units of 2^( 4 + 6 ) = 1,024 bit
  hrd->setDuCpbSizeScale( 6 );                                     // in units of 2^( 4 + 6 ) = 1,024 bit

  hrd->setInitialCpbRemovalDelayLengthMinus1(15);                  // assuming 0.5 sec, log2( 90,000 * 0.5 ) = 16-bit
  if( isRandomAccess )
  {
    hrd->setCpbRemovalDelayLengthMinus1(5);                        // 32 = 2^5 (plus 1)
    hrd->setDpbOutputDelayLengthMinus1 (5);                        // 32 + 3 = 2^6
  }
  else
  {
    hrd->setCpbRemovalDelayLengthMinus1(9);                        // max. 2^10
    hrd->setDpbOutputDelayLengthMinus1 (9);                        // max. 2^10
  }

  // Note: parameters for all temporal layers are initialized with the same values
  Int i, j;
  UInt bitrateValue, cpbSizeValue;
  UInt duCpbSizeValue;
  UInt duBitRateValue = 0;

  for( i = 0; i < MAX_TLAYER; i ++ )
  {
    hrd->setFixedPicRateFlag( i, 1 );
    hrd->setPicDurationInTcMinus1( i, 0 );
    hrd->setLowDelayHrdFlag( i, 0 );
    hrd->setCpbCntMinus1( i, 0 );

    //! \todo check for possible PTL violations
    // BitRate[ i ] = ( bit_rate_value_minus1[ i ] + 1 ) * 2^( 6 + bit_rate_scale )
    bitrateValue = bitRate / (1 << (6 + hrd->getBitRateScale()) );      // bitRate is in bits, so it needs to be scaled down
    // CpbSize[ i ] = ( cpb_size_value_minus1[ i ] + 1 ) * 2^( 4 + cpb_size_scale )
    cpbSizeValue = bitRate / (1 << (4 + hrd->getCpbSizeScale()) );      // using bitRate results in 1 second CPB size

    // DU CPB size could be smaller (i.e. bitrateValue / number of DUs), but we don't know 
    // in how many DUs the slice segment settings will result 
    duCpbSizeValue = bitrateValue;
    duBitRateValue = cpbSizeValue;

    for( j = 0; j < ( hrd->getCpbCntMinus1( i ) + 1 ); j ++ )
    {
      hrd->setBitRateValueMinus1( i, j, 0, ( bitrateValue - 1 ) );
      hrd->setCpbSizeValueMinus1( i, j, 0, ( cpbSizeValue - 1 ) );
      hrd->setDuCpbSizeValueMinus1( i, j, 0, ( duCpbSizeValue - 1 ) );
      hrd->setDuBitRateValueMinus1( i, j, 0, ( duBitRateValue - 1 ) );
      hrd->setCbrFlag( i, j, 0, false );

      hrd->setBitRateValueMinus1( i, j, 1, ( bitrateValue - 1) );
      hrd->setCpbSizeValueMinus1( i, j, 1, ( cpbSizeValue - 1 ) );
      hrd->setDuCpbSizeValueMinus1( i, j, 1, ( duCpbSizeValue - 1 ) );
      hrd->setDuBitRateValueMinus1( i, j, 1, ( duBitRateValue - 1 ) );
      hrd->setCbrFlag( i, j, 1, false );
    }
  }
}


Void TEncTop::xInitPPS()
{
#if NH_MV
  m_cPPS.setLayerId( getLayerId() );
  if( getVPS()->getNumDirectRefLayers( getLayerId() ) > 0 )
  {
    m_cPPS.setListsModificationPresentFlag( true );
  }
  m_cPPS.setPPSId( getLayerIdInVps() );
  m_cPPS.setSPSId( getLayerIdInVps() );
  m_cPPS.setPpsMultilayerExtensionFlag    ( true ); 
#endif


  m_cPPS.setConstrainedIntraPred( m_bUseConstrainedIntraPred );
  Bool bUseDQP = (getMaxCuDQPDepth() > 0)? true : false;

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

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


  if ( m_RCEnableRateControl )
  {
    m_cPPS.setUseDQP(true);
    m_cPPS.setMaxCuDQPDepth( 0 );
  }
  else if(bUseDQP)
  {
    m_cPPS.setUseDQP(true);
    m_cPPS.setMaxCuDQPDepth( m_iMaxCuDQPDepth );
  }
  else
  {
    m_cPPS.setUseDQP(false);
    m_cPPS.setMaxCuDQPDepth( 0 );
  }

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

  m_cPPS.setQpOffset(COMPONENT_Cb, m_chromaCbQpOffset );
  m_cPPS.setQpOffset(COMPONENT_Cr, m_chromaCrQpOffset );

  m_cPPS.setEntropyCodingSyncEnabledFlag( m_iWaveFrontSynchro > 0 );
  m_cPPS.setTilesEnabledFlag( (m_iNumColumnsMinus1 > 0 || m_iNumRowsMinus1 > 0) );
  m_cPPS.setUseWP( m_useWeightedPred );
  m_cPPS.setWPBiPred( m_useWeightedBiPred );
  m_cPPS.setOutputFlagPresentFlag( false );
#if NH_MV
  m_cPPS.setNumExtraSliceHeaderBits( 2 ); 
#endif
  m_cPPS.setSignHideFlag(getSignHideFlag());
  if ( getDeblockingFilterMetric() )
  {
    m_cPPS.setDeblockingFilterOverrideEnabledFlag(true);
    m_cPPS.setPicDisableDeblockingFilterFlag(false);
  }
  else
  {
      m_cPPS.setDeblockingFilterOverrideEnabledFlag( !getLoopFilterOffsetInPPS() );
      m_cPPS.setPicDisableDeblockingFilterFlag( getLoopFilterDisable() );
    }

  if (! m_cPPS.getPicDisableDeblockingFilterFlag())
  {
    m_cPPS.setDeblockingFilterBetaOffsetDiv2( getLoopFilterBetaOffset() );
    m_cPPS.setDeblockingFilterTcOffsetDiv2( getLoopFilterTcOffset() );
  }
  else
  {
    m_cPPS.setDeblockingFilterBetaOffsetDiv2(0);
    m_cPPS.setDeblockingFilterTcOffsetDiv2(0);
  }

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

  m_cPPS.setDeblockingFilterControlPresentFlag(deblockingFilterControlPresentFlag);

  m_cPPS.setLog2ParallelMergeLevelMinus2   (m_log2ParallelMergeLevelMinus2 );
  m_cPPS.setCabacInitPresentFlag(CABAC_INIT_PRESENT_FLAG);
  m_cPPS.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++)
  {
    assert(getGOPEntry(i).m_numRefPicsActive >= 0 && getGOPEntry(i).m_numRefPicsActive <= MAX_NUM_REF);
    histogram[getGOPEntry(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;
    }
  }
  assert(bestPos <= 15);
  m_cPPS.setNumRefIdxL0DefaultActive(bestPos);
  m_cPPS.setNumRefIdxL1DefaultActive(bestPos);
  m_cPPS.setTransquantBypassEnableFlag(getTransquantBypassEnableFlag());
  m_cPPS.setUseTransformSkip( m_useTransformSkip );
  m_cPPS.getPpsRangeExtension().setLog2MaxTransformSkipBlockSize( m_log2MaxTransformSkipBlockSize  );

  if (m_sliceSegmentMode != NO_SLICES)
  {
    m_cPPS.setDependentSliceSegmentsEnabledFlag( true );
  }
}

//Function for initializing m_RPSList, a list of TComReferencePictureSet, based on the GOPEntry objects read from the config file.
Void TEncTop::xInitRPS(Bool isFieldCoding)
{
  TComReferencePictureSet*      rps;

  m_cSPS.createRPSList(getGOPSize() + m_extraRPSs + 1);
  TComRPSList* rpsList = m_cSPS.getRPSList();

  for( Int i = 0; i < getGOPSize()+m_extraRPSs; i++)
  {
    GOPEntry ge = getGOPEntry(i);
    rps = rpsList->getReferencePictureSet(i);
    rps->setNumberOfPictures(ge.m_numRefPics);
    rps->setNumRefIdc(ge.m_numRefIdc);
    Int numNeg = 0;
    Int numPos = 0;
    for( Int j = 0; j < ge.m_numRefPics; j++)
    {
      rps->setDeltaPOC(j,ge.m_referencePics[j]);
      rps->setUsed(j,ge.m_usedByCurrPic[j]);
      if(ge.m_referencePics[j]>0)
      {
        numPos++;
      }
      else
      {
        numNeg++;
      }
    }
    rps->setNumberOfNegativePictures(numNeg);
    rps->setNumberOfPositivePictures(numPos);

    // handle inter RPS intialization from the config file.
    rps->setInterRPSPrediction(ge.m_interRPSPrediction > 0);  // not very clean, converting anything > 0 to true.
    rps->setDeltaRIdxMinus1(0);                               // index to the Reference RPS is always the previous one.
    TComReferencePictureSet*     RPSRef = i>0 ? rpsList->getReferencePictureSet(i-1): NULL;  // get the reference RPS

    if (ge.m_interRPSPrediction == 2)  // Automatic generation of the inter RPS idc based on the RIdx provided.
    {
      assert (RPSRef!=NULL);
      Int deltaRPS = getGOPEntry(i-1).m_POC - ge.m_POC;  // the ref POC - current POC
      Int numRefDeltaPOC = RPSRef->getNumberOfPictures();

      rps->setDeltaRPS(deltaRPS);           // set delta RPS
      rps->setNumRefIdc(numRefDeltaPOC+1);  // set the numRefIdc to the number of pictures in the reference RPS + 1.
      Int count=0;
      for (Int j = 0; j <= numRefDeltaPOC; j++ ) // cycle through pics in reference RPS.
      {
        Int RefDeltaPOC = (j<numRefDeltaPOC)? RPSRef->getDeltaPOC(j): 0;  // if it is the last decoded picture, set RefDeltaPOC = 0
        rps->setRefIdc(j, 0);
        for (Int k = 0; k < rps->getNumberOfPictures(); k++ )  // cycle through pics in current RPS.
        {
          if (rps->getDeltaPOC(k) == ( RefDeltaPOC + deltaRPS))  // if the current RPS has a same picture as the reference RPS.
          {
              rps->setRefIdc(j, (rps->getUsed(k)?1:2));
              count++;
              break;
          }
        }
      }
      if (count != rps->getNumberOfPictures())
      {
        printf("Warning: Unable fully predict all delta POCs using the reference RPS index given in the config file.  Setting Inter RPS to false for this RPS.\n");
        rps->setInterRPSPrediction(0);
      }
    }
    else if (ge.m_interRPSPrediction == 1)  // inter RPS idc based on the RefIdc values provided in config file.
    {
      assert (RPSRef!=NULL);
      rps->setDeltaRPS(ge.m_deltaRPS);
      rps->setNumRefIdc(ge.m_numRefIdc);
      for (Int j = 0; j < ge.m_numRefIdc; j++ )
      {
        rps->setRefIdc(j, ge.m_refIdc[j]);
      }
      // the following code overwrite the deltaPOC and Used by current values read from the config file with the ones
      // computed from the RefIdc.  A warning is printed if they are not identical.
      numNeg = 0;
      numPos = 0;
      TComReferencePictureSet      RPSTemp;  // temporary variable

      for (Int j = 0; j < ge.m_numRefIdc; j++ )
      {
        if (ge.m_refIdc[j])
        {
          Int deltaPOC = ge.m_deltaRPS + ((j < RPSRef->getNumberOfPictures())? RPSRef->getDeltaPOC(j) : 0);
          RPSTemp.setDeltaPOC((numNeg+numPos),deltaPOC);
          RPSTemp.setUsed((numNeg+numPos),ge.m_refIdc[j]==1?1:0);
          if (deltaPOC<0)
          {
            numNeg++;
          }
          else
          {
            numPos++;
          }
        }
      }
      if (numNeg != rps->getNumberOfNegativePictures())
      {
        printf("Warning: number of negative pictures in RPS is different between intra and inter RPS specified in the config file.\n");
        rps->setNumberOfNegativePictures(numNeg);
        rps->setNumberOfPictures(numNeg+numPos);
      }
      if (numPos != rps->getNumberOfPositivePictures())
      {
        printf("Warning: number of positive pictures in RPS is different between intra and inter RPS specified in the config file.\n");
        rps->setNumberOfPositivePictures(numPos);
        rps->setNumberOfPictures(numNeg+numPos);
      }
      RPSTemp.setNumberOfPictures(numNeg+numPos);
      RPSTemp.setNumberOfNegativePictures(numNeg);
      RPSTemp.sortDeltaPOC();     // sort the created delta POC before comparing
      // check if Delta POC and Used are the same
      // print warning if they are not.
      for (Int j = 0; j < ge.m_numRefIdc; j++ )
      {
        if (RPSTemp.getDeltaPOC(j) != rps->getDeltaPOC(j))
        {
          printf("Warning: delta POC is different between intra RPS and inter RPS specified in the config file.\n");
          rps->setDeltaPOC(j,RPSTemp.getDeltaPOC(j));
        }
        if (RPSTemp.getUsed(j) != rps->getUsed(j))
        {
          printf("Warning: Used by Current in RPS is different between intra and inter RPS specified in the config file.\n");
          rps->setUsed(j,RPSTemp.getUsed(j));
        }
      }
    }
  }
  //In case of field coding, we need to set special parameters for the first bottom field of the sequence, since it is not specified in the cfg file.
  //The position = GOPSize + extraRPSs which is (a priori) unused is reserved for this field in the RPS.
  if (isFieldCoding)
  {
    rps = rpsList->getReferencePictureSet(getGOPSize()+m_extraRPSs);
    rps->setNumberOfPictures(1);
    rps->setNumberOfNegativePictures(1);
    rps->setNumberOfPositivePictures(0);
    rps->setNumberOfLongtermPictures(0);
    rps->setDeltaPOC(0,-1);
    rps->setPOC(0,0);
    rps->setUsed(0,true);
    rps->setInterRPSPrediction(false);
    rps->setDeltaRIdxMinus1(0);
    rps->setDeltaRPS(0);
    rps->setNumRefIdc(0);
  }
}

   // This is a function that
   // determines what Reference Picture Set to use
   // for a specific slice (with POC = POCCurr)
Void TEncTop::selectReferencePictureSet(TComSlice* slice, Int POCCurr, Int GOPid )
{
#if NH_MV
  if( slice->getRapPicFlag() == true && getLayerId() > 0 && POCCurr == 0 )
  {
    TComReferencePictureSet* rps = slice->getLocalRPS();
    rps->setNumberOfNegativePictures(0);
    rps->setNumberOfPositivePictures(0);
    rps->setNumberOfLongtermPictures(0);
    rps->setNumberOfPictures(0);
    slice->setRPS(rps);
  }
  else
  {
#endif
  slice->setRPSidx(GOPid);

  for(Int extraNum=m_iGOPSize; extraNum<m_extraRPSs+m_iGOPSize; extraNum++)
  {
    if(m_uiIntraPeriod > 0 && getDecodingRefreshType() > 0)
    {
      Int POCIndex = POCCurr%m_uiIntraPeriod;
      if(POCIndex == 0)
      {
        POCIndex = m_uiIntraPeriod;
      }
      if(POCIndex == m_GOPList[extraNum].m_POC)
      {
        slice->setRPSidx(extraNum);
      }
    }
    else
    {
      if(POCCurr==m_GOPList[extraNum].m_POC)
      {
        slice->setRPSidx(extraNum);
      }
    }
  }

  if(POCCurr == 1 && slice->getPic()->isField())
  {
    slice->setRPSidx(m_iGOPSize+m_extraRPSs);
  }

  const TComReferencePictureSet *rps = (slice->getSPS()->getRPSList()->getReferencePictureSet(slice->getRPSidx()));
  slice->setRPS(rps);
#if NH_MV
  }
#endif

}

Int TEncTop::getReferencePictureSetIdxForSOP(Int POCCurr, Int GOPid )
{
  Int rpsIdx = GOPid;

  for(Int extraNum=m_iGOPSize; extraNum<m_extraRPSs+m_iGOPSize; extraNum++)
  {
    if(m_uiIntraPeriod > 0 && getDecodingRefreshType() > 0)
    {
      Int POCIndex = POCCurr%m_uiIntraPeriod;
      if(POCIndex == 0)
      {
        POCIndex = m_uiIntraPeriod;
      }
      if(POCIndex == m_GOPList[extraNum].m_POC)
      {
        rpsIdx = extraNum;
      }
    }
    else
    {
      if(POCCurr==m_GOPList[extraNum].m_POC)
      {
        rpsIdx = extraNum;
      }
    }
  }

  return rpsIdx;
}

Void  TEncTop::xInitPPSforTiles()
{
  m_cPPS.setTileUniformSpacingFlag( m_tileUniformSpacingFlag );
  m_cPPS.setNumTileColumnsMinus1( m_iNumColumnsMinus1 );
  m_cPPS.setNumTileRowsMinus1( m_iNumRowsMinus1 );
  if( !m_tileUniformSpacingFlag )
  {
    m_cPPS.setTileColumnWidth( m_tileColumnWidth );
    m_cPPS.setTileRowHeight( m_tileRowHeight );
  }
  m_cPPS.setLoopFilterAcrossTilesEnabledFlag( m_loopFilterAcrossTilesEnabledFlag );

  // # substreams is "per tile" when tiles are independent.
}

Void  TEncCfg::xCheckGSParameters()
{
  Int   iWidthInCU = ( m_iSourceWidth%m_maxCUWidth ) ? m_iSourceWidth/m_maxCUWidth + 1 : m_iSourceWidth/m_maxCUWidth;
  Int   iHeightInCU = ( m_iSourceHeight%m_maxCUHeight ) ? m_iSourceHeight/m_maxCUHeight + 1 : m_iSourceHeight/m_maxCUHeight;
  UInt  uiCummulativeColumnWidth = 0;
  UInt  uiCummulativeRowHeight = 0;

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

  if( m_iNumColumnsMinus1 >= iWidthInCU )
  {
    printf( "The current picture can not have so many columns.\n" );
    exit( EXIT_FAILURE );
  }

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

    if( uiCummulativeColumnWidth >= iWidthInCU )
    {
      printf( "The width of the column is too large.\n" );
      exit( EXIT_FAILURE );
    }
  }

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

  if( m_iNumRowsMinus1 >= iHeightInCU )
  {
    printf( "The current picture can not have so many rows.\n" );
    exit( EXIT_FAILURE );
  }

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

    if( uiCummulativeRowHeight >= iHeightInCU )
    {
      printf( "The height of the row is too large.\n" );
      exit( EXIT_FAILURE );
    }
  }
}

#if NH_MV
Int TEncTop::getFrameId(Int iGOPid)  
{
  if(m_iPOCLast == 0)
  {
    return(0 );
  }
  else
  {
    return m_iPOCLast -m_iNumPicRcvd+ getGOPEntry(iGOPid).m_POC ;
  }
}

TComPic* TEncTop::getPic( Int poc )
{
  TComList<TComPic*>* listPic = getListPic();
  TComPic* pcPic = NULL;
  for(TComList<TComPic*>::iterator it=listPic->begin(); it!=listPic->end(); it++)
  {
    if( (*it)->getPOC() == poc )
    {
      pcPic = *it ;
      break ;
    }
  }
  return pcPic;
}

#endif


//! \}