source: SHVCSoftware/trunk/source/Lib/TLibEncoder/TEncTop.cpp @ 125

/* The copyright in this software is being made available under the BSD
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 * and contributor rights, including patent rights, and no such rights are
 * granted under this license.  
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 * Copyright (c) 2010-2013, ITU/ISO/IEC
 * All rights reserved.
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 * modification, are permitted provided that the following conditions are met:
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 *    this list of conditions and the following disclaimer.
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 *    be used to endorse or promote products derived from this software without
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 */

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

#include "TLibCommon/CommonDef.h"
#include "TEncTop.h"
#include "TEncPic.h"
#if FAST_BIT_EST
#include "TLibCommon/ContextModel.h"
#endif

//! \ingroup TLibEncoder
//! \{
#if SVC_EXTENSION  
Int TEncTop::m_iSPSIdCnt = 0;
Int TEncTop::m_iPPSIdCnt = 0;
TComVPS TEncCfg::m_cVPS;
#endif

// ====================================================================================================================
// 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
  g_hTrace = fopen( "TraceEnc.txt", "wb" );
  g_bJustDoIt = g_bEncDecTraceDisable;
  g_nSymbolCounter = 0;
#endif

  m_iMaxRefPicNum     = 0;

#if FAST_BIT_EST
  ContextModel::buildNextStateTable();
#endif

  m_pcSbacCoders           = NULL;
  m_pcBinCoderCABACs       = NULL;
  m_ppppcRDSbacCoders      = NULL;
  m_ppppcBinCodersCABAC    = NULL;
  m_pcRDGoOnSbacCoders     = NULL;
  m_pcRDGoOnBinCodersCABAC = NULL;
  m_pcBitCounters          = NULL;
  m_pcRdCosts              = NULL;
#if REF_IDX_FRAMEWORK
  memset(m_cIlpPic, 0, sizeof(m_cIlpPic));
#endif
#if REF_IDX_MFM
  m_bMFMEnabledFlag = false;
#endif
}

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

Void TEncTop::create ()
{
#if !SVC_EXTENSION
  // initialize global variables
  initROM();
#endif
  
  // create processing unit classes
#if SVC_EXTENSION
  m_cGOPEncoder.        create( m_layerId );
#else
  m_cGOPEncoder.        create();
#endif
  m_cSliceEncoder.      create( getSourceWidth(), getSourceHeight(), g_uiMaxCUWidth, g_uiMaxCUHeight, g_uiMaxCUDepth );
  m_cCuEncoder.         create( g_uiMaxCUDepth, g_uiMaxCUWidth, g_uiMaxCUHeight );
  if (m_bUseSAO)
  {
    m_cEncSAO.setSaoLcuBoundary(getSaoLcuBoundary());
    m_cEncSAO.setSaoLcuBasedOptimization(getSaoLcuBasedOptimization());
    m_cEncSAO.setMaxNumOffsetsPerPic(getMaxNumOffsetsPerPic());
    m_cEncSAO.create( getSourceWidth(), getSourceHeight(), g_uiMaxCUWidth, g_uiMaxCUHeight );
    m_cEncSAO.createEncBuffer();
  }
#if ADAPTIVE_QP_SELECTION
  if (m_bUseAdaptQpSelect)
  {
    m_cTrQuant.initSliceQpDelta();
  }
#endif
  m_cLoopFilter.        create( g_uiMaxCUDepth );
  
#if RATE_CONTROL_LAMBDA_DOMAIN
  if ( m_RCEnableRateControl )
  {
    m_cRateCtrl.init( m_framesToBeEncoded, m_RCTargetBitrate, m_iFrameRate, m_iGOPSize, m_iSourceWidth, m_iSourceHeight,
                      g_uiMaxCUWidth, g_uiMaxCUHeight, m_RCKeepHierarchicalBit, m_RCUseLCUSeparateModel, m_GOPList );
  }
#else
  m_cRateCtrl.create(getIntraPeriod(), getGOPSize(), getFrameRate(), getTargetBitrate(), getQP(), getNumLCUInUnit(), getSourceWidth(), getSourceHeight(), g_uiMaxCUWidth, g_uiMaxCUHeight);
#endif
  // if SBAC-based RD optimization is used
  if( m_bUseSBACRD )
  {
    m_pppcRDSbacCoder = new TEncSbac** [g_uiMaxCUDepth+1];
#if FAST_BIT_EST
    m_pppcBinCoderCABAC = new TEncBinCABACCounter** [g_uiMaxCUDepth+1];
#else
    m_pppcBinCoderCABAC = new TEncBinCABAC** [g_uiMaxCUDepth+1];
#endif
    
    for ( Int iDepth = 0; iDepth < g_uiMaxCUDepth+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] );
      }
    }
  }
}

/**
 - Allocate coders required for wavefront for the nominated number of substreams.
 .
 \param iNumSubstreams Determines how much information to allocate.
 */
Void TEncTop::createWPPCoders(Int iNumSubstreams)
{
  if (m_pcSbacCoders != NULL)
  {
    return; // already generated.
  }

  m_iNumSubstreams         = iNumSubstreams;
  m_pcSbacCoders           = new TEncSbac       [iNumSubstreams];
  m_pcBinCoderCABACs       = new TEncBinCABAC   [iNumSubstreams];
  m_pcRDGoOnSbacCoders     = new TEncSbac       [iNumSubstreams];
  m_pcRDGoOnBinCodersCABAC = new TEncBinCABAC   [iNumSubstreams];
  m_pcBitCounters          = new TComBitCounter [iNumSubstreams];
  m_pcRdCosts              = new TComRdCost     [iNumSubstreams];

  for ( UInt ui = 0 ; ui < iNumSubstreams; ui++ )
  {
    m_pcRDGoOnSbacCoders[ui].init( &m_pcRDGoOnBinCodersCABAC[ui] );
    m_pcSbacCoders[ui].init( &m_pcBinCoderCABACs[ui] );
  }
  if( m_bUseSBACRD )
  {
    m_ppppcRDSbacCoders      = new TEncSbac***    [iNumSubstreams];
    m_ppppcBinCodersCABAC    = new TEncBinCABAC***[iNumSubstreams];
    for ( UInt ui = 0 ; ui < iNumSubstreams ; ui++ )
    {
      m_ppppcRDSbacCoders[ui]  = new TEncSbac** [g_uiMaxCUDepth+1];
      m_ppppcBinCodersCABAC[ui]= new TEncBinCABAC** [g_uiMaxCUDepth+1];
      
      for ( Int iDepth = 0; iDepth < g_uiMaxCUDepth+1; iDepth++ )
      {
        m_ppppcRDSbacCoders[ui][iDepth]  = new TEncSbac*     [CI_NUM];
        m_ppppcBinCodersCABAC[ui][iDepth]= new TEncBinCABAC* [CI_NUM];

        for (Int iCIIdx = 0; iCIIdx < CI_NUM; iCIIdx ++ )
        {
          m_ppppcRDSbacCoders  [ui][iDepth][iCIIdx] = new TEncSbac;
          m_ppppcBinCodersCABAC[ui][iDepth][iCIIdx] = new TEncBinCABAC;
          m_ppppcRDSbacCoders  [ui][iDepth][iCIIdx]->init( m_ppppcBinCodersCABAC[ui][iDepth][iCIIdx] );
        }
      }
    }
  }
}

Void TEncTop::destroy ()
{
  // destroy processing unit classes
  m_cGOPEncoder.        destroy();
  m_cSliceEncoder.      destroy();
  m_cCuEncoder.         destroy();
  if (m_cSPS.getUseSAO())
  {
    m_cEncSAO.destroy();
    m_cEncSAO.destroyEncBuffer();
  }
  m_cLoopFilter.        destroy();
  m_cRateCtrl.          destroy();
  // SBAC RD
  if( m_bUseSBACRD )
  {
    Int iDepth;
    for ( iDepth = 0; iDepth < g_uiMaxCUDepth+1; iDepth++ )
    {
      for (Int iCIIdx = 0; iCIIdx < CI_NUM; iCIIdx ++ )
      {
        delete m_pppcRDSbacCoder[iDepth][iCIIdx];
        delete m_pppcBinCoderCABAC[iDepth][iCIIdx];
      }
    }
    
    for ( iDepth = 0; iDepth < g_uiMaxCUDepth+1; iDepth++ )
    {
      delete [] m_pppcRDSbacCoder[iDepth];
      delete [] m_pppcBinCoderCABAC[iDepth];
    }
    
    delete [] m_pppcRDSbacCoder;
    delete [] m_pppcBinCoderCABAC;

    for ( UInt ui = 0; ui < m_iNumSubstreams; ui++ )
    {
      for ( iDepth = 0; iDepth < g_uiMaxCUDepth+1; iDepth++ )
      {
        for (Int iCIIdx = 0; iCIIdx < CI_NUM; iCIIdx ++ )
        {
          delete m_ppppcRDSbacCoders  [ui][iDepth][iCIIdx];
          delete m_ppppcBinCodersCABAC[ui][iDepth][iCIIdx];
        }
      }

      for ( iDepth = 0; iDepth < g_uiMaxCUDepth+1; iDepth++ )
      {
        delete [] m_ppppcRDSbacCoders  [ui][iDepth];
        delete [] m_ppppcBinCodersCABAC[ui][iDepth];
      }
      delete[] m_ppppcRDSbacCoders  [ui];
      delete[] m_ppppcBinCodersCABAC[ui];
    }
    delete[] m_ppppcRDSbacCoders;
    delete[] m_ppppcBinCodersCABAC;
  }
  delete[] m_pcSbacCoders;
  delete[] m_pcBinCoderCABACs;
  delete[] m_pcRDGoOnSbacCoders;  
  delete[] m_pcRDGoOnBinCodersCABAC;
  delete[] m_pcBitCounters;
  delete[] m_pcRdCosts;
  
#if !SVC_EXTENSION
  // destroy ROM
  destroyROM();
#endif
#if REF_IDX_FRAMEWORK
  for(Int i=0; i<MAX_NUM_REF; i++)
  {
    if(m_cIlpPic[i])
    {
      //m_cIlpPic[i]->setPicYuvRec(NULL);
      m_cIlpPic[i]->destroy();
      delete m_cIlpPic[i];
      m_cIlpPic[i] = NULL;
    }
  }    
#endif
  return;
}

Void TEncTop::init()
{
  // initialize SPS
  xInitSPS();
  
  /* set the VPS profile information */
  *m_cVPS.getPTL() = *m_cSPS.getPTL();
#if L0043_TIMING_INFO
  m_cVPS.getTimingInfo()->setTimingInfoPresentFlag       ( false );
#endif
  // initialize PPS
  m_cPPS.setSPS(&m_cSPS);
  xInitPPS();
  xInitRPS();

  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,
                  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, 0, &m_cEntropyCoder, &m_cRdCost, getRDSbacCoder(), getRDGoOnSbacCoder() );

  m_iMaxRefPicNum = 0;
#if SVC_EXTENSION
  m_iSPSIdCnt ++;
  m_iPPSIdCnt ++;
#endif
#if REF_IDX_FRAMEWORK
  xInitILRP();
#endif
}

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

Void TEncTop::deletePicBuffer()
{
  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;
  }
}

/**
 - 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
 \retval  rcListPicYuvRecOut  list of reconstruction YUV pictures
 \retval  rcListBitstreamOut  list of output bitstreams
 \retval  iNumEncoded         number of encoded pictures
 */
#if SVC_EXTENSION
Void TEncTop::encode( TComPicYuv* pcPicYuvOrg, TComList<TComPicYuv*>& rcListPicYuvRecOut, std::list<AccessUnit>& accessUnitsOut, Int iPicIdInGOP )
{
  // compress GOP
#if RATE_CONTROL_LAMBDA_DOMAIN
  if ( m_RCEnableRateControl )
  {
    m_cRateCtrl.initRCGOP( m_iNumPicRcvd );
  }
#endif

  // compress GOP
  m_cGOPEncoder.compressGOP(iPicIdInGOP, m_iPOCLast, m_iNumPicRcvd, m_cListPic, rcListPicYuvRecOut, accessUnitsOut);

#if RATE_CONTROL_LAMBDA_DOMAIN
  if ( m_RCEnableRateControl )
  {
    m_cRateCtrl.destroyRCGOP();
  }
#endif
  
  m_uiNumAllPicCoded ++;
}

Void TEncTop::encodePrep( TComPicYuv* pcPicYuvOrg )
{
  if (pcPicYuvOrg) 
  {
    // get original YUV
    TComPic* pcPicCurr = NULL;
    xGetNewPicBuffer( pcPicCurr );
    pcPicYuvOrg->copyToPic( pcPicCurr->getPicYuvOrg() );

    // compute image characteristics
    if ( getUseAdaptiveQP() )
    {
      m_cPreanalyzer.xPreanalyze( dynamic_cast<TEncPic*>( pcPicCurr ) );
    }
  }
}
#else
Void TEncTop::encode(Bool flush, TComPicYuv* pcPicYuvOrg, TComList<TComPicYuv*>& rcListPicYuvRecOut, std::list<AccessUnit>& accessUnitsOut, Int& iNumEncoded )
{
  if (pcPicYuvOrg) {
    // get original YUV
    TComPic* pcPicCurr = NULL;
    xGetNewPicBuffer( pcPicCurr );
    pcPicYuvOrg->copyToPic( pcPicCurr->getPicYuvOrg() );

    // compute image characteristics
    if ( getUseAdaptiveQP() )
    {
      m_cPreanalyzer.xPreanalyze( dynamic_cast<TEncPic*>( pcPicCurr ) );
    }
  }
  
  if (!m_iNumPicRcvd || (!flush && m_iPOCLast != 0 && m_iNumPicRcvd != m_iGOPSize && m_iGOPSize))
  {
    iNumEncoded = 0;
    return;
  }
  
#if RATE_CONTROL_LAMBDA_DOMAIN
  if ( m_RCEnableRateControl )
  {
    m_cRateCtrl.initRCGOP( m_iNumPicRcvd );
  }
#endif

  // compress GOP
  m_cGOPEncoder.compressGOP(m_iPOCLast, m_iNumPicRcvd, m_cListPic, rcListPicYuvRecOut, accessUnitsOut);

#if RATE_CONTROL_LAMBDA_DOMAIN
  if ( m_RCEnableRateControl )
  {
    m_cRateCtrl.destroyRCGOP();
  }
#endif
  
  iNumEncoded         = m_iNumPicRcvd;
  m_iNumPicRcvd       = 0;
  m_uiNumAllPicCoded += iNumEncoded;
}
#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 )
{
  TComSlice::sortPicList(m_cListPic);
  
  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() );
    for ( Int i = 0; i < iSize; i++ )
    {
      rpcPic = *(iterPic++);
      if(rpcPic->getSlice(0)->isReferenced() == false)
      {
        break;
      }
    }
  }
  else
  {
    if ( getUseAdaptiveQP() )
    {
      TEncPic* pcEPic = new TEncPic;
#if SVC_EXTENSION //Temporal solution, should be modified
      if(m_layerId > 0)
      {
        TEncTop *pcEncTopBase = (TEncTop *)getLayerEnc( m_layerId-1 );
        if(m_iSourceWidth != pcEncTopBase->getSourceWidth() || m_iSourceHeight != pcEncTopBase->getSourceHeight() )
        {
          pcEPic->setSpatialEnhLayerFlag( true );
        }
      }
#endif

#if SVC_UPSAMPLING
      pcEPic->create( m_iSourceWidth, m_iSourceHeight, g_uiMaxCUWidth, g_uiMaxCUHeight, g_uiMaxCUDepth, m_cPPS.getMaxCuDQPDepth()+1 ,
                      m_conformanceWindow, m_defaultDisplayWindow, m_numReorderPics, &m_cSPS);
#else
      pcEPic->create( m_iSourceWidth, m_iSourceHeight, g_uiMaxCUWidth, g_uiMaxCUHeight, g_uiMaxCUDepth, m_cPPS.getMaxCuDQPDepth()+1 ,
                      m_conformanceWindow, m_defaultDisplayWindow, m_numReorderPics);
#endif
      rpcPic = pcEPic;
    }
    else
    {
      rpcPic = new TComPic;

#if SVC_EXTENSION //Temporal solution, should be modified
      if(m_layerId > 0)
      {
        TEncTop *pcEncTopBase = (TEncTop *)getLayerEnc( m_layerId-1 );
        if(m_iSourceWidth != pcEncTopBase->getSourceWidth() || m_iSourceHeight != pcEncTopBase->getSourceHeight() )
        {
          rpcPic->setSpatialEnhLayerFlag( true );
        }
      }
#endif

#if SVC_UPSAMPLING
      rpcPic->create( m_iSourceWidth, m_iSourceHeight, g_uiMaxCUWidth, g_uiMaxCUHeight, g_uiMaxCUDepth, 
                      m_conformanceWindow, m_defaultDisplayWindow, m_numReorderPics, &m_cSPS);
#else
      rpcPic->create( m_iSourceWidth, m_iSourceHeight, g_uiMaxCUWidth, g_uiMaxCUHeight, g_uiMaxCUDepth, 
                      m_conformanceWindow, m_defaultDisplayWindow, m_numReorderPics);
#endif
    }
    if (getUseSAO())
    {
      rpcPic->getPicSym()->allocSaoParam(&m_cEncSAO);
    }
    m_cListPic.pushBack( rpcPic );
  }
  rpcPic->setReconMark (false);
  
  m_iPOCLast++;
  m_iNumPicRcvd++;
  
  rpcPic->getSlice(0)->setPOC( m_iPOCLast );
  // mark it should be extended
  rpcPic->getPicYuvRec()->setBorderExtension(false);
}

Void TEncTop::xInitSPS()
{
#if SVC_EXTENSION
  m_cSPS.setLayerId(m_layerId);
#endif
#if REF_IDX_MFM
  m_cSPS.setMFMEnabledFlag(m_bMFMEnabledFlag);
#endif
  ProfileTierLevel& profileTierLevel = *m_cSPS.getPTL()->getGeneralPTL();
  profileTierLevel.setLevelIdc(m_level);
  profileTierLevel.setTierFlag(m_levelTier);
  profileTierLevel.setProfileIdc(m_profile);
  profileTierLevel.setProfileCompatibilityFlag(m_profile, 1);
#if L0046_CONSTRAINT_FLAGS
  profileTierLevel.setProgressiveSourceFlag(m_progressiveSourceFlag);
  profileTierLevel.setInterlacedSourceFlag(m_interlacedSourceFlag);
  profileTierLevel.setNonPackedConstraintFlag(m_nonPackedConstraintFlag);
  profileTierLevel.setFrameOnlyConstraintFlag(m_frameOnlyConstraintFlag);
#endif
  
  if (m_profile == Profile::MAIN10 && g_bitDepthY == 8 && g_bitDepthC == 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 */

  m_cSPS.setPicWidthInLumaSamples         ( m_iSourceWidth      );
  m_cSPS.setPicHeightInLumaSamples        ( m_iSourceHeight     );
  m_cSPS.setConformanceWindow             ( m_conformanceWindow );
  m_cSPS.setMaxCUWidth    ( g_uiMaxCUWidth      );
  m_cSPS.setMaxCUHeight   ( g_uiMaxCUHeight     );
  m_cSPS.setMaxCUDepth    ( g_uiMaxCUDepth      );
  m_cSPS.setMinTrDepth    ( 0                   );
  m_cSPS.setMaxTrDepth    ( 1                   );
#if SVC_EXTENSION
  m_cSPS.setSPSId         ( m_iSPSIdCnt       );
#endif
  
  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(false);
  m_cSPS.setUseLossless   ( m_useLossless  );

  m_cSPS.setMaxTrSize   ( 1 << m_uiQuadtreeTULog2MaxSize );
  
  m_cSPS.setUseLComb    ( m_bUseLComb           );
  
  Int i;
  
  for (i = 0; i < g_uiMaxCUDepth-g_uiAddCUDepth; i++ )
  {
    m_cSPS.setAMPAcc( i, m_useAMP );
    //m_cSPS.setAMPAcc( i, 1 );
  }

  m_cSPS.setUseAMP ( m_useAMP );

  for (i = g_uiMaxCUDepth-g_uiAddCUDepth; i < g_uiMaxCUDepth; i++ )
  {
    m_cSPS.setAMPAcc(i, 0);
  }

  m_cSPS.setBitDepthY( g_bitDepthY );
  m_cSPS.setBitDepthC( g_bitDepthC );

  m_cSPS.setQpBDOffsetY ( 6*(g_bitDepthY - 8) );
  m_cSPS.setQpBDOffsetC ( 6*(g_bitDepthC - 8) );

  m_cSPS.setUseSAO( m_bUseSAO );

  m_cSPS.setMaxTLayers( m_maxTempLayer );
  m_cSPS.setTemporalIdNestingFlag( ( m_maxTempLayer == 1 ) ? true : false );
  for ( i = 0; i < m_cSPS.getMaxTLayers(); i++ )
  {
    m_cSPS.setMaxDecPicBuffering(m_maxDecPicBuffering[i], i);
    m_cSPS.setNumReorderPics(m_numReorderPics[i], i);
  }
  m_cSPS.setPCMBitDepthLuma (g_uiPCMBitDepthLuma);
  m_cSPS.setPCMBitDepthChroma (g_uiPCMBitDepthChroma);
  m_cSPS.setPCMFilterDisableFlag  ( m_bPCMFilterDisableFlag );

  m_cSPS.setScalingListFlag ( (m_useScalingListId == 0) ? 0 : 1 );

  m_cSPS.setUseStrongIntraSmoothing( m_useStrongIntraSmoothing );

  m_cSPS.setVuiParametersPresentFlag(getVuiParametersPresentFlag());
  if (m_cSPS.getVuiParametersPresentFlag())
  {
    TComVUI* pcVUI = m_cSPS.getVuiParameters();
    pcVUI->setAspectRatioInfoPresentFlag(getAspectRatioIdc() != -1);
    pcVUI->setAspectRatioIdc(getAspectRatioIdc());
    pcVUI->setSarWidth(getSarWidth());
    pcVUI->setSarHeight(getSarHeight());
    pcVUI->setOverscanInfoPresentFlag(getOverscanInfoPresentFlag());
    pcVUI->setOverscanAppropriateFlag(getOverscanAppropriateFlag());
    pcVUI->setVideoSignalTypePresentFlag(getVideoSignalTypePresentFlag());
    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);
#if L0043_TIMING_INFO
    pcVUI->getTimingInfo()->setPocProportionalToTimingFlag(getPocProportionalToTimingFlag());
    pcVUI->getTimingInfo()->setNumTicksPocDiffOneMinus1   (getNumTicksPocDiffOneMinus1()   );
#else
    pcVUI->setPocProportionalToTimingFlag(getPocProportionalToTimingFlag());
    pcVUI->setNumTicksPocDiffOneMinus1   (getNumTicksPocDiffOneMinus1()   );
#endif
    pcVUI->setBitstreamRestrictionFlag(getBitstreamRestrictionFlag());
    pcVUI->setTilesFixedStructureFlag(getTilesFixedStructureFlag());
    pcVUI->setMotionVectorsOverPicBoundariesFlag(getMotionVectorsOverPicBoundariesFlag());
    pcVUI->setMinSpatialSegmentationIdc(getMinSpatialSegmentationIdc());
    pcVUI->setMaxBytesPerPicDenom(getMaxBytesPerPicDenom());
    pcVUI->setMaxBitsPerMinCuDenom(getMaxBitsPerMinCuDenom());
    pcVUI->setLog2MaxMvLengthHorizontal(getLog2MaxMvLengthHorizontal());
    pcVUI->setLog2MaxMvLengthVertical(getLog2MaxMvLengthVertical());
  }
}

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

  Int lowestQP = - m_cSPS.getQpBDOffsetY();

  if(getUseLossless())
  {
    if ((getMaxCuDQPDepth() == 0) && (getMaxDeltaQP() == 0 ) && (getQP() == lowestQP) )
    {
      bUseDQP = false;
    }
    else
    {
      bUseDQP = true;
    }
  }
  else
  {
    if(bUseDQP == false)
    {
      if((getMaxDeltaQP() != 0 )|| getUseAdaptiveQP())
      {
        bUseDQP = true;
      }
    }
  }

  if(bUseDQP)
  {
    m_cPPS.setUseDQP(true);
    m_cPPS.setMaxCuDQPDepth( m_iMaxCuDQPDepth );
    m_cPPS.setMinCuDQPSize( m_cPPS.getSPS()->getMaxCUWidth() >> ( m_cPPS.getMaxCuDQPDepth()) );
  }
  else
  {
    m_cPPS.setUseDQP(false);
    m_cPPS.setMaxCuDQPDepth( 0 );
    m_cPPS.setMinCuDQPSize( m_cPPS.getSPS()->getMaxCUWidth() >> ( m_cPPS.getMaxCuDQPDepth()) );
  }

#if RATE_CONTROL_LAMBDA_DOMAIN
  if ( m_RCEnableRateControl )
  {
    m_cPPS.setUseDQP(true);
    m_cPPS.setMaxCuDQPDepth( 0 );
    m_cPPS.setMinCuDQPSize( m_cPPS.getSPS()->getMaxCUWidth() >> ( m_cPPS.getMaxCuDQPDepth()) );
  } 
#endif

  m_cPPS.setChromaCbQpOffset( m_chromaCbQpOffset );
  m_cPPS.setChromaCrQpOffset( m_chromaCrQpOffset );

  m_cPPS.setNumSubstreams(m_iWaveFrontSubstreams);
  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 );
  m_cPPS.setSignHideFlag(getSignHideFlag());
  m_cPPS.setDeblockingFilterControlPresentFlag (m_DeblockingFilterControlPresent );
  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;
    }
  }
#if L0323_LIMIT_DEFAULT_LIST_SIZE
  assert(bestPos <= 15);
#endif
  m_cPPS.setNumRefIdxL0DefaultActive(bestPos);
  m_cPPS.setNumRefIdxL1DefaultActive(bestPos);
  m_cPPS.setTransquantBypassEnableFlag(getTransquantBypassEnableFlag());
  m_cPPS.setUseTransformSkip( m_useTransformSkip );
  if (m_sliceSegmentMode)
  {
    m_cPPS.setDependentSliceSegmentsEnabledFlag( true );
  }
  if( m_cPPS.getDependentSliceSegmentsEnabledFlag() )
  {
    Int NumCtx = m_cPPS.getEntropyCodingSyncEnabledFlag()?2:1;
    m_cSliceEncoder.initCtxMem( NumCtx );
    for ( UInt st = 0; st < NumCtx; st++ )
    {
      TEncSbac* ctx = NULL;
      ctx = new TEncSbac;
      ctx->init( &m_cBinCoderCABAC );
      m_cSliceEncoder.setCtxMem( ctx, st );
    }
  }
#if REF_LIST_BUGFIX
  if (!m_layerId)
  {
    m_cPPS.setListsModificationPresentFlag(false);
  }
  else
  {
    m_cPPS.setListsModificationPresentFlag(true);
  }
#endif
#if SVC_EXTENSION
  m_cPPS.setPPSId         ( m_iPPSIdCnt         );
  m_cPPS.setSPSId         ( m_iSPSIdCnt         );
#endif
}

//Function for initializing m_RPSList, a list of TComReferencePictureSet, based on the GOPEntry objects read from the config file.
Void TEncTop::xInitRPS()
{
  TComReferencePictureSet*      rps;
  
  m_cSPS.createRPSList(getGOPSize()+m_extraRPSs);
  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.
#if AUTO_INTER_RPS
    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 = rpsList->getReferencePictureSet(i-1);  // get the reference RPS

    if (ge.m_interRPSPrediction == 2)  // Automatic generation of the inter RPS idc based on the RIdx provided.
    {
      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.
    {
      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]);
      }
#if WRITE_BACK
      // the folowing 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->setNumberOfPositivePictures(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->setNumberOfPositivePictures(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));
        }
      }
#endif
    }
#else
    rps->setInterRPSPrediction(ge.m_interRPSPrediction);
    if (ge.m_interRPSPrediction)
    {
      rps->setDeltaRIdxMinus1(0);
      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]);
      }
#if WRITE_BACK
      // the folowing code overwrite the deltaPOC and Used by current values read from the config file with the ones
      // computed from the RefIdc.  This is not necessary if both are identical. Currently there is no check to see if they are identical.
      numNeg = 0;
      numPos = 0;
      TComReferencePictureSet*     RPSRef = m_RPSList.getReferencePictureSet(i-1);

      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);
          rps->setDeltaPOC((numNeg+numPos),deltaPOC);
          rps->setUsed((numNeg+numPos),ge.m_refIdc[j]==1?1:0);
          if (deltaPOC<0)
          {
            numNeg++;
          }
          else
          {
            numPos++;
          }
        }
      }
      rps->setNumberOfNegativePictures(numNeg);
      rps->setNumberOfPositivePictures(numPos);
      rps->sortDeltaPOC();
#endif
    }
#endif //INTER_RPS_AUTO
  }
  
}

   // 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 )
{
  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);
      }
    }
  }

  slice->setRPS(getSPS()->getRPSList()->getReferencePictureSet(slice->getRPSidx()));
  slice->getRPS()->setNumberOfPictures(slice->getRPS()->getNumberOfNegativePictures()+slice->getRPS()->getNumberOfPositivePictures());

}

Void  TEncTop::xInitPPSforTiles()
{
  m_cPPS.setUniformSpacingFlag( m_iUniformSpacingIdr );
  m_cPPS.setNumColumnsMinus1( m_iNumColumnsMinus1 );
  m_cPPS.setNumRowsMinus1( m_iNumRowsMinus1 );
  if( m_iUniformSpacingIdr == 0 )
  {
    m_cPPS.setColumnWidth( m_puiColumnWidth );
    m_cPPS.setRowHeight( m_puiRowHeight );
  }
  m_cPPS.setLoopFilterAcrossTilesEnabledFlag( m_loopFilterAcrossTilesEnabledFlag );

  // # substreams is "per tile" when tiles are independent.
  if (m_iWaveFrontSynchro
    )
  {
    m_cPPS.setNumSubstreams(m_iWaveFrontSubstreams * (m_iNumColumnsMinus1+1));
  }
}

Void  TEncCfg::xCheckGSParameters()
{
  Int   iWidthInCU = ( m_iSourceWidth%g_uiMaxCUWidth ) ? m_iSourceWidth/g_uiMaxCUWidth + 1 : m_iSourceWidth/g_uiMaxCUWidth;
  Int   iHeightInCU = ( m_iSourceHeight%g_uiMaxCUHeight ) ? m_iSourceHeight/g_uiMaxCUHeight + 1 : m_iSourceHeight/g_uiMaxCUHeight;
  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_iUniformSpacingIdr==0 )
  {
    for(Int i=0; i<m_iNumColumnsMinus1; i++)
    {
      uiCummulativeColumnWidth += m_puiColumnWidth[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_iUniformSpacingIdr==0 )
  {
    for(Int i=0; i<m_iNumRowsMinus1; i++)
    {
      uiCummulativeRowHeight += m_puiRowHeight[i];
    }

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

#if REF_IDX_FRAMEWORK
Void TEncTop::xInitILRP()
{
  if(m_layerId>0)
  {
    Int  numReorderPics[MAX_TLAYER];
    Window &conformanceWindow = m_cSPS.getConformanceWindow();
    Window defaultDisplayWindow = m_cSPS.getVuiParametersPresentFlag() ? m_cSPS.getVuiParameters()->getDefaultDisplayWindow() : Window();

    if (m_cIlpPic[0] == NULL)
    {
      for (Int j=0; j<1/*MAX_NUM_REF*/; j++)
      {
        m_cIlpPic[j] = new  TComPic;
        //m_cIlpPic[j]->createWithOutYuv(m_iSourceWidth, m_iSourceHeight, g_uiMaxCUWidth, g_uiMaxCUHeight, g_uiMaxCUDepth, &m_cSPS, true);
#if SVC_UPSAMPLING
        m_cIlpPic[j]->create(m_iSourceWidth, m_iSourceHeight, g_uiMaxCUWidth, g_uiMaxCUHeight, g_uiMaxCUDepth, conformanceWindow, defaultDisplayWindow, numReorderPics, &m_cSPS, true);
#else
        m_cIlpPic[j]->create(m_iSourceWidth, m_iSourceHeight, g_uiMaxCUWidth, g_uiMaxCUHeight, g_uiMaxCUDepth, conformanceWindow, defaultDisplayWindow, numReorderPics, true);
#endif
        for (Int i=0; i<m_cIlpPic[j]->getPicSym()->getNumberOfCUsInFrame(); i++)
        {
          m_cIlpPic[j]->getPicSym()->getCU(i)->initCU(m_cIlpPic[j], i);
        }
      }
    }
  }
}

Void TEncTop::setILRPic(TComPic *pcPic)
{
  if(m_cIlpPic[0])
  {
    //m_cIlpPic[0]->setPicYuvRec(pcPic->getFullPelBaseRec());
    m_cIlpPic[0]->copyUpsampledPictureYuv(pcPic->getFullPelBaseRec(), m_cIlpPic[0]->getPicYuvRec());
    m_cIlpPic[0]->getSlice(0)->setPOC(pcPic->getPOC());
    m_cIlpPic[0]->setLayerId(0); //set reference layerId
    m_cIlpPic[0]->getPicYuvRec()->setBorderExtension(false);
    m_cIlpPic[0]->getPicYuvRec()->extendPicBorder();
  }
}
#endif
//! \}