Exemple #1
0
Void TDecSlice::decompressSlice(TComBitstream* pcBitstream, TComPic*& rpcPic)
{
  TComDataCU* pcCU;
  UInt        uiIsLast = 0;
#if QC_MDDT//ADAPTIVE_SCAN
    InitScanOrderForSlice(); 
#endif
  // decoder don't need prediction & residual frame buffer
  rpcPic->setPicYuvPred( 0 );
  rpcPic->setPicYuvResi( 0 );

#if HHI_RQT
#if ENC_DEC_TRACE
  g_bJustDoIt = g_bEncDecTraceEnable;
#endif
  DTRACE_CABAC_V( g_nSymbolCounter++ );
  DTRACE_CABAC_T( "\tPOC: " );
  DTRACE_CABAC_V( rpcPic->getPOC() );
  DTRACE_CABAC_T( "\n" );
#if ENC_DEC_TRACE
  g_bJustDoIt = g_bEncDecTraceDisable;
#endif
#endif
  // for all CUs
  for( Int iCUAddr = 0; !uiIsLast; iCUAddr++ )
  {
    pcCU = rpcPic->getCU( iCUAddr );
    pcCU->initCU( rpcPic, iCUAddr );

#if HHI_RQT
#if ENC_DEC_TRACE
    g_bJustDoIt = g_bEncDecTraceEnable;
#endif
#endif
    m_pcCuDecoder->decodeCU     ( pcCU, uiIsLast );
    m_pcCuDecoder->decompressCU ( pcCU );

#if QC_MDDT//ADAPTIVE_SCAN
    updateScanOrder(0);
    normalizeScanStats();
#endif
#if HHI_RQT
#if ENC_DEC_TRACE
    g_bJustDoIt = g_bEncDecTraceDisable;
#endif
#endif
  }
}
Void TDecSlice::decompressSlice(TComInputBitstream* pcBitstream, TComPic*& rpcPic)
{
  TComDataCU* pcCU;
  UInt        uiIsLast = 0;
#if FINE_GRANULARITY_SLICES
  Int   iStartCUAddr = max(rpcPic->getSlice(rpcPic->getCurrSliceIdx())->getSliceCurStartCUAddr()/rpcPic->getNumPartInCU(), rpcPic->getSlice(rpcPic->getCurrSliceIdx())->getEntropySliceCurStartCUAddr()/rpcPic->getNumPartInCU());
#else
  Int   iStartCUAddr = max(rpcPic->getSlice(rpcPic->getCurrSliceIdx())->getSliceCurStartCUAddr(), rpcPic->getSlice(rpcPic->getCurrSliceIdx())->getEntropySliceCurStartCUAddr());
#endif

  // decoder don't need prediction & residual frame buffer
  rpcPic->setPicYuvPred( 0 );
  rpcPic->setPicYuvResi( 0 );
  
#if ENC_DEC_TRACE
  g_bJustDoIt = g_bEncDecTraceEnable;
#endif
  DTRACE_CABAC_VL( g_nSymbolCounter++ );
  DTRACE_CABAC_T( "\tPOC: " );
  DTRACE_CABAC_V( rpcPic->getPOC() );
  DTRACE_CABAC_T( "\n" );

#if ENC_DEC_TRACE
  g_bJustDoIt = g_bEncDecTraceDisable;
#endif

  // for all CUs in slice
  UInt  uiLastCUAddr = iStartCUAddr;
  for( Int iCUAddr = iStartCUAddr; !uiIsLast && iCUAddr < rpcPic->getNumCUsInFrame(); iCUAddr++, uiLastCUAddr++ )
  {
    pcCU = rpcPic->getCU( iCUAddr );
    pcCU->initCU( rpcPic, iCUAddr );

#if ENC_DEC_TRACE
    g_bJustDoIt = g_bEncDecTraceEnable;
#endif
    m_pcCuDecoder->decodeCU     ( pcCU, uiIsLast );
    m_pcCuDecoder->decompressCU ( pcCU );
    
#if ENC_DEC_TRACE
    g_bJustDoIt = g_bEncDecTraceDisable;
#endif
  }

}
Exemple #3
0
Void TEncEntropy::xEncodeTransform( Bool& bCodeDQP, Bool& codeChromaQpAdj, TComTU &rTu )
{
//pcCU, absPartIdxCU, uiAbsPartIdx, uiDepth+1, uiTrIdx+1, quadrant,
  TComDataCU *pcCU=rTu.getCU();
  const UInt uiAbsPartIdx=rTu.GetAbsPartIdxTU();
  const UInt numValidComponent = pcCU->getPic()->getNumberValidComponents();
  const Bool bChroma = isChromaEnabled(pcCU->getPic()->getChromaFormat());
  const UInt uiTrIdx = rTu.GetTransformDepthRel();
  const UInt uiDepth = rTu.GetTransformDepthTotal();
#if ENVIRONMENT_VARIABLE_DEBUG_AND_TEST
  const Bool bDebugRQT=pcCU->getSlice()->getFinalized() && DebugOptionList::DebugRQT.getInt()!=0;
  if (bDebugRQT)
  {
    printf("x..codeTransform: offsetLuma=%d offsetChroma=%d absPartIdx=%d, uiDepth=%d\n width=%d, height=%d, uiTrIdx=%d, uiInnerQuadIdx=%d\n",
           rTu.getCoefficientOffset(COMPONENT_Y), rTu.getCoefficientOffset(COMPONENT_Cb), uiAbsPartIdx, uiDepth, rTu.getRect(COMPONENT_Y).width, rTu.getRect(COMPONENT_Y).height, rTu.GetTransformDepthRel(), rTu.GetSectionNumber());
  }
#endif
  const UInt uiSubdiv = pcCU->getTransformIdx( uiAbsPartIdx ) > uiTrIdx;// + pcCU->getDepth( uiAbsPartIdx ) > uiDepth;
  const UInt uiLog2TrafoSize = rTu.GetLog2LumaTrSize();


  UInt cbf[MAX_NUM_COMPONENT] = {0,0,0};
  Bool bHaveACodedBlock       = false;
  Bool bHaveACodedChromaBlock = false;

  for(UInt ch=0; ch<numValidComponent; ch++)
  {
    const ComponentID compID = ComponentID(ch);

    cbf[compID] = pcCU->getCbf( uiAbsPartIdx, compID , uiTrIdx );
    
    if (cbf[ch] != 0)
    {
      bHaveACodedBlock = true;
      if (isChroma(compID))
      {
        bHaveACodedChromaBlock = true;
      }
    }
  }

  if( pcCU->isIntra(uiAbsPartIdx) && pcCU->getPartitionSize(uiAbsPartIdx) == SIZE_NxN && uiDepth == pcCU->getDepth(uiAbsPartIdx) )
  {
    assert( uiSubdiv );
  }
  else if( pcCU->isInter(uiAbsPartIdx) && (pcCU->getPartitionSize(uiAbsPartIdx) != SIZE_2Nx2N) && uiDepth == pcCU->getDepth(uiAbsPartIdx) &&  (pcCU->getSlice()->getSPS()->getQuadtreeTUMaxDepthInter() == 1) )
  {
    if ( uiLog2TrafoSize > pcCU->getQuadtreeTULog2MinSizeInCU(uiAbsPartIdx) )
    {
      assert( uiSubdiv );
    }
    else
    {
      assert(!uiSubdiv );
    }
  }
  else if( uiLog2TrafoSize > pcCU->getSlice()->getSPS()->getQuadtreeTULog2MaxSize() )
  {
    assert( uiSubdiv );
  }
  else if( uiLog2TrafoSize == pcCU->getSlice()->getSPS()->getQuadtreeTULog2MinSize() )
  {
    assert( !uiSubdiv );
  }
  else if( uiLog2TrafoSize == pcCU->getQuadtreeTULog2MinSizeInCU(uiAbsPartIdx) )
  {
    assert( !uiSubdiv );
  }
  else
  {
    assert( uiLog2TrafoSize > pcCU->getQuadtreeTULog2MinSizeInCU(uiAbsPartIdx) );
    m_pcEntropyCoderIf->codeTransformSubdivFlag( uiSubdiv, 5 - uiLog2TrafoSize );
  }

  const UInt uiTrDepthCurr = uiDepth - pcCU->getDepth( uiAbsPartIdx );
  const Bool bFirstCbfOfCU = uiTrDepthCurr == 0;

  for(UInt ch=COMPONENT_Cb; ch<numValidComponent; ch++)
  {
    const ComponentID compID=ComponentID(ch);
    if( bFirstCbfOfCU || rTu.ProcessingAllQuadrants(compID) )
    {
      if( bFirstCbfOfCU || pcCU->getCbf( uiAbsPartIdx, compID, uiTrDepthCurr - 1 ) )
      {
        m_pcEntropyCoderIf->codeQtCbf( rTu, compID, (uiSubdiv == 0) );
      }
    }
    else
    {
      assert( pcCU->getCbf( uiAbsPartIdx, compID, uiTrDepthCurr ) == pcCU->getCbf( uiAbsPartIdx, compID, uiTrDepthCurr - 1 ) );
    }
  }

  if( uiSubdiv )
  {
    TComTURecurse tuRecurseChild(rTu, true);
    do
    {
      xEncodeTransform( bCodeDQP, codeChromaQpAdj, tuRecurseChild );
    } while (tuRecurseChild.nextSection(rTu));
  }
  else
  {
    {
      DTRACE_CABAC_VL( g_nSymbolCounter++ );
      DTRACE_CABAC_T( "\tTrIdx: abspart=" );
      DTRACE_CABAC_V( uiAbsPartIdx );
      DTRACE_CABAC_T( "\tdepth=" );
      DTRACE_CABAC_V( uiDepth );
      DTRACE_CABAC_T( "\ttrdepth=" );
      DTRACE_CABAC_V( pcCU->getTransformIdx( uiAbsPartIdx ) );
      DTRACE_CABAC_T( "\n" );
    }

    if( !pcCU->isIntra(uiAbsPartIdx) && uiDepth == pcCU->getDepth( uiAbsPartIdx ) && (!bChroma || (!pcCU->getCbf( uiAbsPartIdx, COMPONENT_Cb, 0 ) && !pcCU->getCbf( uiAbsPartIdx, COMPONENT_Cr, 0 ) ) ) )
    {
      assert( pcCU->getCbf( uiAbsPartIdx, COMPONENT_Y, 0 ) );
      //      printf( "saved one bin! " );
    }
    else
    {
      m_pcEntropyCoderIf->codeQtCbf( rTu, COMPONENT_Y, true ); //luma CBF is always at the lowest level
    }

    if ( bHaveACodedBlock )
    {
      // dQP: only for CTU once
      if ( pcCU->getSlice()->getPPS()->getUseDQP() )
      {
        if ( bCodeDQP )
        {
          encodeQP( pcCU, rTu.GetAbsPartIdxCU() );
          bCodeDQP = false;
        }
      }

      if ( pcCU->getSlice()->getUseChromaQpAdj() )
      {
        if ( bHaveACodedChromaBlock && codeChromaQpAdj && !pcCU->getCUTransquantBypass(rTu.GetAbsPartIdxCU()) )
        {
          encodeChromaQpAdjustment( pcCU, rTu.GetAbsPartIdxCU() );
          codeChromaQpAdj = false;
        }
      }

      const UInt numValidComp=pcCU->getPic()->getNumberValidComponents();

      for(UInt ch=COMPONENT_Y; ch<numValidComp; ch++)
      {
        const ComponentID compID=ComponentID(ch);

        if (rTu.ProcessComponentSection(compID))
        {
#if ENVIRONMENT_VARIABLE_DEBUG_AND_TEST
          if (bDebugRQT)
          {
            printf("Call NxN for chan %d width=%d height=%d cbf=%d\n", compID, rTu.getRect(compID).width, rTu.getRect(compID).height, 1);
          }
#endif

          if (rTu.getRect(compID).width != rTu.getRect(compID).height)
          {
            //code two sub-TUs
            TComTURecurse subTUIterator(rTu, false, TComTU::VERTICAL_SPLIT, true, compID);

            do
            {
              const UChar subTUCBF = pcCU->getCbf(subTUIterator.GetAbsPartIdxTU(compID), compID, (uiTrIdx + 1));

              if (subTUCBF != 0)
              {
#if ENVIRONMENT_VARIABLE_DEBUG_AND_TEST
                if (bDebugRQT)
                {
                  printf("Call NxN for chan %d width=%d height=%d cbf=%d\n", compID, subTUIterator.getRect(compID).width, subTUIterator.getRect(compID).height, 1);
                }
#endif
                m_pcEntropyCoderIf->codeCoeffNxN( subTUIterator, (pcCU->getCoeff(compID) + subTUIterator.getCoefficientOffset(compID)), compID );
              }
            }
            while (subTUIterator.nextSection(rTu));
          }
          else
          {
            if (isChroma(compID) && (cbf[COMPONENT_Y] != 0))
            {
              m_pcEntropyCoderIf->codeCrossComponentPrediction( rTu, compID );
            }

            if (cbf[compID] != 0)
            {
              m_pcEntropyCoderIf->codeCoeffNxN( rTu, (pcCU->getCoeff(compID) + rTu.getCoefficientOffset(compID)), compID );
            }
          }
        }
      }
    }
  }
}
Void TDecSlice::decompressSlice(TComInputBitstream** ppcSubstreams, TComPic* pcPic, TDecSbac* pcSbacDecoder)
{
  TComSlice* pcSlice                 = pcPic->getSlice(pcPic->getCurrSliceIdx());

  const Int  startCtuTsAddr          = pcSlice->getSliceSegmentCurStartCtuTsAddr();
  const Int  startCtuRsAddr          = pcPic->getPicSym()->getCtuTsToRsAddrMap(startCtuTsAddr);
  const UInt numCtusInFrame          = pcPic->getNumberOfCtusInFrame();

  const UInt frameWidthInCtus        = pcPic->getPicSym()->getFrameWidthInCtus();
  const Bool depSliceSegmentsEnabled = pcSlice->getPPS()->getDependentSliceSegmentsEnabledFlag();
  const Bool wavefrontsEnabled       = pcSlice->getPPS()->getEntropyCodingSyncEnabledFlag();

  m_pcEntropyDecoder->setEntropyDecoder ( pcSbacDecoder  );
  m_pcEntropyDecoder->setBitstream      ( ppcSubstreams[0] );
  m_pcEntropyDecoder->resetEntropy      (pcSlice);

  // decoder doesn't need prediction & residual frame buffer
  pcPic->setPicYuvPred( 0 );
  pcPic->setPicYuvResi( 0 );

#if ENC_DEC_TRACE
  g_bJustDoIt = g_bEncDecTraceEnable;
#endif
  DTRACE_CABAC_VL( g_nSymbolCounter++ );
  DTRACE_CABAC_T( "\tPOC: " );
  DTRACE_CABAC_V( pcPic->getPOC() );
  DTRACE_CABAC_T( "\n" );

#if ENC_DEC_TRACE
  g_bJustDoIt = g_bEncDecTraceDisable;
#endif

  // The first CTU of the slice is the first coded substream, but the global substream number, as calculated by getSubstreamForCtuAddr may be higher.
  // This calculates the common offset for all substreams in this slice.
  const UInt subStreamOffset=pcPic->getSubstreamForCtuAddr(startCtuRsAddr, true, pcSlice);


  if (depSliceSegmentsEnabled)
  {
    // modify initial contexts with previous slice segment if this is a dependent slice.
    const UInt startTileIdx=pcPic->getPicSym()->getTileIdxMap(startCtuRsAddr);
    const TComTile *pCurrentTile=pcPic->getPicSym()->getTComTile(startTileIdx);
    const UInt firstCtuRsAddrOfTile = pCurrentTile->getFirstCtuRsAddr();

    if( pcSlice->getDependentSliceSegmentFlag() && startCtuRsAddr != firstCtuRsAddrOfTile)
    {
      if ( pCurrentTile->getTileWidthInCtus() >= 2 || !wavefrontsEnabled)
      {
        pcSbacDecoder->loadContexts(&m_lastSliceSegmentEndContextState);
      }
    }
  }

  // for every CTU in the slice segment...

  Bool isLastCtuOfSliceSegment = false;
  for( UInt ctuTsAddr = startCtuTsAddr; !isLastCtuOfSliceSegment && ctuTsAddr < numCtusInFrame; ctuTsAddr++)
  {
    const UInt ctuRsAddr = pcPic->getPicSym()->getCtuTsToRsAddrMap(ctuTsAddr);
    const TComTile &currentTile = *(pcPic->getPicSym()->getTComTile(pcPic->getPicSym()->getTileIdxMap(ctuRsAddr)));
    const UInt firstCtuRsAddrOfTile = currentTile.getFirstCtuRsAddr();
    const UInt tileXPosInCtus = firstCtuRsAddrOfTile % frameWidthInCtus;
    const UInt tileYPosInCtus = firstCtuRsAddrOfTile / frameWidthInCtus;
    const UInt ctuXPosInCtus  = ctuRsAddr % frameWidthInCtus;
    const UInt ctuYPosInCtus  = ctuRsAddr / frameWidthInCtus;
    const UInt uiSubStrm=pcPic->getSubstreamForCtuAddr(ctuRsAddr, true, pcSlice)-subStreamOffset;
    TComDataCU* pCtu = pcPic->getCtu( ctuRsAddr );
    pCtu->initCtu( pcPic, ctuRsAddr );

    m_pcEntropyDecoder->setBitstream( ppcSubstreams[uiSubStrm] );

    // set up CABAC contexts' state for this CTU
    if (ctuRsAddr == firstCtuRsAddrOfTile)
    {
      if (ctuTsAddr != startCtuTsAddr) // if it is the first CTU, then the entropy coder has already been reset
      {
        m_pcEntropyDecoder->resetEntropy(pcSlice);
      }
    }
    else if (ctuXPosInCtus == tileXPosInCtus && wavefrontsEnabled)
    {
      // Synchronize cabac probabilities with upper-right CTU if it's available and at the start of a line.
      if (ctuTsAddr != startCtuTsAddr) // if it is the first CTU, then the entropy coder has already been reset
      {
        m_pcEntropyDecoder->resetEntropy(pcSlice);
      }
      TComDataCU *pCtuUp = pCtu->getCtuAbove();
      if ( pCtuUp && ((ctuRsAddr%frameWidthInCtus+1) < frameWidthInCtus)  )
      {
        TComDataCU *pCtuTR = pcPic->getCtu( ctuRsAddr - frameWidthInCtus + 1 );
        if ( pCtu->CUIsFromSameSliceAndTile(pCtuTR) )
        {
          // Top-right is available, so use it.
          pcSbacDecoder->loadContexts( &m_entropyCodingSyncContextState );
        }
      }
    }

#if ENC_DEC_TRACE
    g_bJustDoIt = g_bEncDecTraceEnable;
#endif

    if ( pcSlice->getSPS()->getUseSAO() )
    {
      SAOBlkParam& saoblkParam = (pcPic->getPicSym()->getSAOBlkParam())[ctuRsAddr];
      Bool bIsSAOSliceEnabled = false;
      Bool sliceEnabled[MAX_NUM_COMPONENT];
      for(Int comp=0; comp < MAX_NUM_COMPONENT; comp++)
      {
        ComponentID compId=ComponentID(comp);
        sliceEnabled[compId] = pcSlice->getSaoEnabledFlag(toChannelType(compId)) && (comp < pcPic->getNumberValidComponents());
        if (sliceEnabled[compId]) bIsSAOSliceEnabled=true;
        saoblkParam[compId].modeIdc = SAO_MODE_OFF;
      }
      if (bIsSAOSliceEnabled)
      {
        Bool leftMergeAvail = false;
        Bool aboveMergeAvail= false;

        //merge left condition
        Int rx = (ctuRsAddr % frameWidthInCtus);
        if(rx > 0)
        {
          leftMergeAvail = pcPic->getSAOMergeAvailability(ctuRsAddr, ctuRsAddr-1);
        }
        //merge up condition
        Int ry = (ctuRsAddr / frameWidthInCtus);
        if(ry > 0)
        {
          aboveMergeAvail = pcPic->getSAOMergeAvailability(ctuRsAddr, ctuRsAddr-frameWidthInCtus);
        }
#if SVC_EXTENSION
        pcSbacDecoder->parseSAOBlkParam( saoblkParam, m_saoMaxOffsetQVal, sliceEnabled, leftMergeAvail, aboveMergeAvail);
#else
        pcSbacDecoder->parseSAOBlkParam( saoblkParam, sliceEnabled, leftMergeAvail, aboveMergeAvail);
#endif      
      }
    }

    m_pcCuDecoder->decodeCtu     ( pCtu, isLastCtuOfSliceSegment );
    m_pcCuDecoder->decompressCtu ( pCtu );

#if ENC_DEC_TRACE
    g_bJustDoIt = g_bEncDecTraceDisable;
#endif

    //Store probabilities of second CTU in line into buffer
    if ( ctuXPosInCtus == tileXPosInCtus+1 && wavefrontsEnabled)
    {
      m_entropyCodingSyncContextState.loadContexts( pcSbacDecoder );
    }

    // Should the sub-stream/stream be terminated after this CTU?
    // (end of slice-segment, end of tile, end of wavefront-CTU-row)
    if (isLastCtuOfSliceSegment ||
         (  ctuXPosInCtus + 1 == tileXPosInCtus + currentTile.getTileWidthInCtus() &&
          ( ctuYPosInCtus + 1 == tileYPosInCtus + currentTile.getTileHeightInCtus() || wavefrontsEnabled)
         )
       )
    {
      UInt binVal;
      pcSbacDecoder->parseTerminatingBit( binVal );
      assert( binVal );
#if DECODER_CHECK_SUBSTREAM_AND_SLICE_TRAILING_BYTES
      pcSbacDecoder->parseRemainingBytes(!isLastCtuOfSliceSegment);
#endif

      if (isLastCtuOfSliceSegment)
      {
        if(!pcSlice->getDependentSliceSegmentFlag())
        {
          pcSlice->setSliceCurEndCtuTsAddr( ctuTsAddr+1 );
        }
        pcSlice->setSliceSegmentCurEndCtuTsAddr( ctuTsAddr+1 );
        break;
      }
    }
  }

  assert(isLastCtuOfSliceSegment == true);


  if( depSliceSegmentsEnabled )
  {
    m_lastSliceSegmentEndContextState.loadContexts( pcSbacDecoder );//ctx end of dep.slice
  }

}
Void TDecSlice::decompressSlice(TComInputBitstream** ppcSubstreams, TComPic*& rpcPic, TDecSbac* pcSbacDecoder, TDecSbac* pcSbacDecoders)
{
  TComDataCU* pcCU;
  UInt        uiIsLast = 0;
  Int   iStartCUEncOrder = max(rpcPic->getSlice(rpcPic->getCurrSliceIdx())->getSliceCurStartCUAddr()/rpcPic->getNumPartInCU(), rpcPic->getSlice(rpcPic->getCurrSliceIdx())->getSliceSegmentCurStartCUAddr()/rpcPic->getNumPartInCU());
  Int   iStartCUAddr = rpcPic->getPicSym()->getCUOrderMap(iStartCUEncOrder);


  // decoder don't need prediction & residual frame buffer
#if ENABLE_ANAYSIS_OUTPUT

#else
  rpcPic->setPicYuvPred( 0 );
  rpcPic->setPicYuvResi( 0 );
#endif

#if ENC_DEC_TRACE
  g_bJustDoIt = g_bEncDecTraceEnable;
#endif
  DTRACE_CABAC_VL( g_nSymbolCounter++ );
  DTRACE_CABAC_T( "\tPOC: " );
  DTRACE_CABAC_V( rpcPic->getPOC() );
  DTRACE_CABAC_T( "\n" );

#if ENC_DEC_TRACE
  g_bJustDoIt = g_bEncDecTraceDisable;
#endif

  UInt uiTilesAcross   = rpcPic->getPicSym()->getNumColumnsMinus1()+1;
  TComSlice*  pcSlice = rpcPic->getSlice(rpcPic->getCurrSliceIdx());
  Int  iNumSubstreams = pcSlice->getPPS()->getNumSubstreams();

  // delete decoders if already allocated in previous slice
  if (m_pcBufferSbacDecoders)
  {
    delete [] m_pcBufferSbacDecoders;
  }
  if (m_pcBufferBinCABACs) 
  {
    delete [] m_pcBufferBinCABACs;
  }
  // allocate new decoders based on tile numbaer
  m_pcBufferSbacDecoders = new TDecSbac    [uiTilesAcross];  
  m_pcBufferBinCABACs    = new TDecBinCABAC[uiTilesAcross];
  for (UInt ui = 0; ui < uiTilesAcross; ui++)
  {
    m_pcBufferSbacDecoders[ui].init(&m_pcBufferBinCABACs[ui]);
  }
  //save init. state
  for (UInt ui = 0; ui < uiTilesAcross; ui++)
  {
    m_pcBufferSbacDecoders[ui].load(pcSbacDecoder);
  }

  // free memory if already allocated in previous call
  if (m_pcBufferLowLatSbacDecoders)
  {
    delete [] m_pcBufferLowLatSbacDecoders;
  }
  if (m_pcBufferLowLatBinCABACs)
  {
    delete [] m_pcBufferLowLatBinCABACs;
  }
  m_pcBufferLowLatSbacDecoders = new TDecSbac    [uiTilesAcross];  
  m_pcBufferLowLatBinCABACs    = new TDecBinCABAC[uiTilesAcross];
  for (UInt ui = 0; ui < uiTilesAcross; ui++)
  {
    m_pcBufferLowLatSbacDecoders[ui].init(&m_pcBufferLowLatBinCABACs[ui]);
  }
  //save init. state
  for (UInt ui = 0; ui < uiTilesAcross; ui++)
  {
    m_pcBufferLowLatSbacDecoders[ui].load(pcSbacDecoder);
  }

  UInt uiWidthInLCUs  = rpcPic->getPicSym()->getFrameWidthInCU();
  //UInt uiHeightInLCUs = rpcPic->getPicSym()->getFrameHeightInCU();
  UInt uiCol=0, uiLin=0, uiSubStrm=0;

  UInt uiTileCol;
  UInt uiTileStartLCU;
  UInt uiTileLCUX;
  Int iNumSubstreamsPerTile = 1; // if independent.
  Bool depSliceSegmentsEnabled = rpcPic->getSlice(rpcPic->getCurrSliceIdx())->getPPS()->getDependentSliceSegmentsEnabledFlag();
  uiTileStartLCU = rpcPic->getPicSym()->getTComTile(rpcPic->getPicSym()->getTileIdxMap(iStartCUAddr))->getFirstCUAddr();
  if( depSliceSegmentsEnabled )
  {
    if( (!rpcPic->getSlice(rpcPic->getCurrSliceIdx())->isNextSlice()) &&
       iStartCUAddr != rpcPic->getPicSym()->getTComTile(rpcPic->getPicSym()->getTileIdxMap(iStartCUAddr))->getFirstCUAddr())
    {
      if(pcSlice->getPPS()->getEntropyCodingSyncEnabledFlag())
      {
        uiTileCol = rpcPic->getPicSym()->getTileIdxMap(iStartCUAddr) % (rpcPic->getPicSym()->getNumColumnsMinus1()+1);
        m_pcBufferSbacDecoders[uiTileCol].loadContexts( CTXMem[1]  );//2.LCU
        if ( (iStartCUAddr%uiWidthInLCUs+1) >= uiWidthInLCUs  )
        {
          uiTileLCUX = uiTileStartLCU % uiWidthInLCUs;
          uiCol     = iStartCUAddr % uiWidthInLCUs;
          if(uiCol==uiTileLCUX)
          {
            CTXMem[0]->loadContexts(pcSbacDecoder);
          }
        }
      }
      pcSbacDecoder->loadContexts(CTXMem[0] ); //end of depSlice-1
      pcSbacDecoders[uiSubStrm].loadContexts(pcSbacDecoder);
    }
    else
    {
      if(pcSlice->getPPS()->getEntropyCodingSyncEnabledFlag())
      {
        CTXMem[1]->loadContexts(pcSbacDecoder);
      }
      CTXMem[0]->loadContexts(pcSbacDecoder);
    }
  }
  for( Int iCUAddr = iStartCUAddr; !uiIsLast && iCUAddr < rpcPic->getNumCUsInFrame(); iCUAddr = rpcPic->getPicSym()->xCalculateNxtCUAddr(iCUAddr) )
  {
    pcCU = rpcPic->getCU( iCUAddr );
    pcCU->initCU( rpcPic, iCUAddr );
    uiTileCol = rpcPic->getPicSym()->getTileIdxMap(iCUAddr) % (rpcPic->getPicSym()->getNumColumnsMinus1()+1); // what column of tiles are we in?
    uiTileStartLCU = rpcPic->getPicSym()->getTComTile(rpcPic->getPicSym()->getTileIdxMap(iCUAddr))->getFirstCUAddr();
    uiTileLCUX = uiTileStartLCU % uiWidthInLCUs;
    uiCol     = iCUAddr % uiWidthInLCUs;
    // The 'line' is now relative to the 1st line in the slice, not the 1st line in the picture.
    uiLin     = (iCUAddr/uiWidthInLCUs)-(iStartCUAddr/uiWidthInLCUs);
    // inherit from TR if necessary, select substream to use.
    if( (pcSlice->getPPS()->getNumSubstreams() > 1) || ( depSliceSegmentsEnabled  && (uiCol == uiTileLCUX)&&(pcSlice->getPPS()->getEntropyCodingSyncEnabledFlag()) ))
    {
      // independent tiles => substreams are "per tile".  iNumSubstreams has already been multiplied.
      iNumSubstreamsPerTile = iNumSubstreams/rpcPic->getPicSym()->getNumTiles();
      uiSubStrm = rpcPic->getPicSym()->getTileIdxMap(iCUAddr)*iNumSubstreamsPerTile
                  + uiLin%iNumSubstreamsPerTile;
      m_pcEntropyDecoder->setBitstream( ppcSubstreams[uiSubStrm] );
      // Synchronize cabac probabilities with upper-right LCU if it's available and we're at the start of a line.
      if (((pcSlice->getPPS()->getNumSubstreams() > 1) || depSliceSegmentsEnabled ) && (uiCol == uiTileLCUX)&&(pcSlice->getPPS()->getEntropyCodingSyncEnabledFlag()))
      {
        // We'll sync if the TR is available.
        TComDataCU *pcCUUp = pcCU->getCUAbove();
        UInt uiWidthInCU = rpcPic->getFrameWidthInCU();
        TComDataCU *pcCUTR = NULL;
        if ( pcCUUp && ((iCUAddr%uiWidthInCU+1) < uiWidthInCU)  )
        {
          pcCUTR = rpcPic->getCU( iCUAddr - uiWidthInCU + 1 );
        }
        UInt uiMaxParts = 1<<(pcSlice->getSPS()->getMaxCUDepth()<<1);

        if ( (true/*bEnforceSliceRestriction*/ &&
             ((pcCUTR==NULL) || (pcCUTR->getSlice()==NULL) || 
             ((pcCUTR->getSCUAddr()+uiMaxParts-1) < pcSlice->getSliceCurStartCUAddr()) ||
             ((rpcPic->getPicSym()->getTileIdxMap( pcCUTR->getAddr() ) != rpcPic->getPicSym()->getTileIdxMap(iCUAddr)))
             ))
           )
        {
          // TR not available.
        }
        else
        {
          // TR is available, we use it.
          pcSbacDecoders[uiSubStrm].loadContexts( &m_pcBufferSbacDecoders[uiTileCol] );
        }
      }
      pcSbacDecoder->load(&pcSbacDecoders[uiSubStrm]);  //this load is used to simplify the code (avoid to change all the call to pcSbacDecoders)
    }
    else if ( pcSlice->getPPS()->getNumSubstreams() <= 1 )
    {
      // Set variables to appropriate values to avoid later code change.
      iNumSubstreamsPerTile = 1;
    }

    if ( (iCUAddr == rpcPic->getPicSym()->getTComTile(rpcPic->getPicSym()->getTileIdxMap(iCUAddr))->getFirstCUAddr()) && // 1st in tile.
         (iCUAddr!=0) && (iCUAddr!=rpcPic->getPicSym()->getPicSCUAddr(rpcPic->getSlice(rpcPic->getCurrSliceIdx())->getSliceCurStartCUAddr())/rpcPic->getNumPartInCU())
         && (iCUAddr!=rpcPic->getPicSym()->getPicSCUAddr(rpcPic->getSlice(rpcPic->getCurrSliceIdx())->getSliceSegmentCurStartCUAddr())/rpcPic->getNumPartInCU())
         ) // !1st in frame && !1st in slice
    {
      if (pcSlice->getPPS()->getNumSubstreams() > 1)
      {
        // We're crossing into another tile, tiles are independent.
        // When tiles are independent, we have "substreams per tile".  Each substream has already been terminated, and we no longer
        // have to perform it here.
        // For TILES_DECODER, there can be a header at the start of the 1st substream in a tile.  These are read when the substreams
        // are extracted, not here.
      }
      else
      {
        SliceType sliceType  = pcSlice->getSliceType();
        if (pcSlice->getCabacInitFlag())
        {
          switch (sliceType)
          {
          case P_SLICE:           // change initialization table to B_SLICE intialization
            sliceType = B_SLICE; 
            break;
          case B_SLICE:           // change initialization table to P_SLICE intialization
            sliceType = P_SLICE; 
            break;
          default     :           // should not occur
            assert(0);
          }
        }
        m_pcEntropyDecoder->updateContextTables( sliceType, pcSlice->getSliceQp() );
      }
      
    }

#if ENC_DEC_TRACE
    g_bJustDoIt = g_bEncDecTraceEnable;
#endif
    if ( pcSlice->getSPS()->getUseSAO() && (pcSlice->getSaoEnabledFlag()||pcSlice->getSaoEnabledFlagChroma()) )
    {
      SAOParam *saoParam = rpcPic->getPicSym()->getSaoParam();
      saoParam->bSaoFlag[0] = pcSlice->getSaoEnabledFlag();
      if (iCUAddr == iStartCUAddr)
      {
        saoParam->bSaoFlag[1] = pcSlice->getSaoEnabledFlagChroma();
      }
      Int numCuInWidth     = saoParam->numCuInWidth;
      Int cuAddrInSlice = iCUAddr - rpcPic->getPicSym()->getCUOrderMap(pcSlice->getSliceCurStartCUAddr()/rpcPic->getNumPartInCU());
      Int cuAddrUpInSlice  = cuAddrInSlice - numCuInWidth;
      Int rx = iCUAddr % numCuInWidth;
      Int ry = iCUAddr / numCuInWidth;
      Int allowMergeLeft = 1;
      Int allowMergeUp   = 1;
      if (rx!=0)
      {
        if (rpcPic->getPicSym()->getTileIdxMap(iCUAddr-1) != rpcPic->getPicSym()->getTileIdxMap(iCUAddr))
        {
          allowMergeLeft = 0;
        }
      }
      if (ry!=0)
      {
        if (rpcPic->getPicSym()->getTileIdxMap(iCUAddr-numCuInWidth) != rpcPic->getPicSym()->getTileIdxMap(iCUAddr))
        {
          allowMergeUp = 0;
        }
      }
      pcSbacDecoder->parseSaoOneLcuInterleaving(rx, ry, saoParam,pcCU, cuAddrInSlice, cuAddrUpInSlice, allowMergeLeft, allowMergeUp);
    }
    else if ( pcSlice->getSPS()->getUseSAO() )
    {
      Int addr = pcCU->getAddr();
      SAOParam *saoParam = rpcPic->getPicSym()->getSaoParam();
      for (Int cIdx=0; cIdx<3; cIdx++)
      {
        SaoLcuParam *saoLcuParam = &(saoParam->saoLcuParam[cIdx][addr]);
        if ( ((cIdx == 0) && !pcSlice->getSaoEnabledFlag()) || ((cIdx == 1 || cIdx == 2) && !pcSlice->getSaoEnabledFlagChroma()))
        {
          saoLcuParam->mergeUpFlag   = 0;
          saoLcuParam->mergeLeftFlag = 0;
          saoLcuParam->subTypeIdx    = 0;
          saoLcuParam->typeIdx       = -1;
          saoLcuParam->offset[0]     = 0;
          saoLcuParam->offset[1]     = 0;
          saoLcuParam->offset[2]     = 0;
          saoLcuParam->offset[3]     = 0;
        }
      }
    }
#if ENABLE_ANAYSIS_OUTPUT
    UInt uiBefore = ppcSubstreams[uiSubStrm]->getByteLocation();
#endif
    m_pcCuDecoder->decodeCU     ( pcCU, uiIsLast );
#if ENABLE_ANAYSIS_OUTPUT
    pcCU->getTotalBits() = ppcSubstreams[uiSubStrm]->getByteLocation() - uiBefore;
#endif
    m_pcCuDecoder->decompressCU ( pcCU );
    
#if ENC_DEC_TRACE
    g_bJustDoIt = g_bEncDecTraceDisable;
#endif
    pcSbacDecoders[uiSubStrm].load(pcSbacDecoder);

    //Store probabilities of second LCU in line into buffer
    if ( (uiCol == uiTileLCUX+1)&& (depSliceSegmentsEnabled || (pcSlice->getPPS()->getNumSubstreams() > 1)) && (pcSlice->getPPS()->getEntropyCodingSyncEnabledFlag()) )
    {
      m_pcBufferSbacDecoders[uiTileCol].loadContexts( &pcSbacDecoders[uiSubStrm] );
    }
    if( uiIsLast && depSliceSegmentsEnabled )
    {
      if (pcSlice->getPPS()->getEntropyCodingSyncEnabledFlag())
       {
         CTXMem[1]->loadContexts( &m_pcBufferSbacDecoders[uiTileCol] );//ctx 2.LCU
       }
      CTXMem[0]->loadContexts( pcSbacDecoder );//ctx end of dep.slice
      return;
    }
  }
}
Void TDecSlice::decompressSlice(TComInputBitstream* pcBitstream, TComInputBitstream** ppcSubstreams, TComPic*& rpcPic, TDecSbac* pcSbacDecoder, TDecSbac* pcSbacDecoders)
{
  TComDataCU* pcCU;
  UInt        uiIsLast = 0;
  Int   iStartCUEncOrder = max(rpcPic->getSlice(rpcPic->getCurrSliceIdx())->getSliceCurStartCUAddr()/rpcPic->getNumPartInCU(), rpcPic->getSlice(rpcPic->getCurrSliceIdx())->getEntropySliceCurStartCUAddr()/rpcPic->getNumPartInCU());
  Int   iStartCUAddr = rpcPic->getPicSym()->getCUOrderMap(iStartCUEncOrder);

  // decoder don't need prediction & residual frame buffer
  rpcPic->setPicYuvPred( 0 );
  rpcPic->setPicYuvResi( 0 );
  
#if ENC_DEC_TRACE
  g_bJustDoIt = g_bEncDecTraceEnable;
#endif
  DTRACE_CABAC_VL( g_nSymbolCounter++ );
  DTRACE_CABAC_T( "\tPOC: " );
  DTRACE_CABAC_V( rpcPic->getPOC() );
  DTRACE_CABAC_T( "\n" );

#if ENC_DEC_TRACE
  g_bJustDoIt = g_bEncDecTraceDisable;
#endif

  UInt uiTilesAcross   = rpcPic->getPicSym()->getNumColumnsMinus1()+1;
  TComSlice*  pcSlice = rpcPic->getSlice(rpcPic->getCurrSliceIdx());
  UInt iSymbolMode    = pcSlice->getPPS()->getEntropyCodingMode();
  Int  iNumSubstreams = pcSlice->getPPS()->getNumSubstreams();

  if( iSymbolMode )
  {
    m_pcBufferSbacDecoders = new TDecSbac    [uiTilesAcross];  
    m_pcBufferBinCABACs    = new TDecBinCABAC[uiTilesAcross];
    for (UInt ui = 0; ui < uiTilesAcross; ui++)
    {
      m_pcBufferSbacDecoders[ui].init(&m_pcBufferBinCABACs[ui]);
    }
    //save init. state
    for (UInt ui = 0; ui < uiTilesAcross; ui++)
    {
      m_pcBufferSbacDecoders[ui].load(pcSbacDecoder);
    }
  }  
  if( iSymbolMode )
  {
    m_pcBufferLowLatSbacDecoders = new TDecSbac    [uiTilesAcross];  
    m_pcBufferLowLatBinCABACs    = new TDecBinCABAC[uiTilesAcross];
    for (UInt ui = 0; ui < uiTilesAcross; ui++)
      m_pcBufferLowLatSbacDecoders[ui].init(&m_pcBufferLowLatBinCABACs[ui]);
    //save init. state
    for (UInt ui = 0; ui < uiTilesAcross; ui++)
      m_pcBufferLowLatSbacDecoders[ui].load(pcSbacDecoder);
  }

  UInt uiWidthInLCUs  = rpcPic->getPicSym()->getFrameWidthInCU();
  //UInt uiHeightInLCUs = rpcPic->getPicSym()->getFrameHeightInCU();
  UInt uiCol=0, uiLin=0, uiSubStrm=0;

  UInt uiTileCol;
  UInt uiTileStartLCU;
  UInt uiTileLCUX;
  UInt uiTileLCUY;
  UInt uiTileWidth;
  UInt uiTileHeight;
  Int iNumSubstreamsPerTile = 1; // if independent.

  for( Int iCUAddr = iStartCUAddr; !uiIsLast && iCUAddr < rpcPic->getNumCUsInFrame(); iCUAddr = rpcPic->getPicSym()->xCalculateNxtCUAddr(iCUAddr) )
  {
    pcCU = rpcPic->getCU( iCUAddr );
    pcCU->initCU( rpcPic, iCUAddr );
    uiTileCol = rpcPic->getPicSym()->getTileIdxMap(iCUAddr) % (rpcPic->getPicSym()->getNumColumnsMinus1()+1); // what column of tiles are we in?
    uiTileStartLCU = rpcPic->getPicSym()->getTComTile(rpcPic->getPicSym()->getTileIdxMap(iCUAddr))->getFirstCUAddr();
    uiTileLCUX = uiTileStartLCU % uiWidthInLCUs;
    uiTileLCUY = uiTileStartLCU / uiWidthInLCUs;
    uiTileWidth = rpcPic->getPicSym()->getTComTile(rpcPic->getPicSym()->getTileIdxMap(iCUAddr))->getTileWidth();
    uiTileHeight = rpcPic->getPicSym()->getTComTile(rpcPic->getPicSym()->getTileIdxMap(iCUAddr))->getTileHeight();
    uiCol     = iCUAddr % uiWidthInLCUs;
    uiLin     = iCUAddr / uiWidthInLCUs;
    // inherit from TR if necessary, select substream to use.
    if( iSymbolMode && pcSlice->getPPS()->getNumSubstreams() > 1 )
    {
      if (pcSlice->getPPS()->getNumSubstreams() > 1)
      {
        // independent tiles => substreams are "per tile".  iNumSubstreams has already been multiplied.
        iNumSubstreamsPerTile = iNumSubstreams/rpcPic->getPicSym()->getNumTiles();
        uiSubStrm = rpcPic->getPicSym()->getTileIdxMap(iCUAddr)*iNumSubstreamsPerTile
                      + uiLin%iNumSubstreamsPerTile;
      }
      else
      {
        // dependent tiles => substreams are "per frame".
        uiSubStrm = uiLin % iNumSubstreams;
      }
      m_pcEntropyDecoder->setBitstream( ppcSubstreams[uiSubStrm] );
      // Synchronize cabac probabilities with upper-right LCU if it's available and we're at the start of a line.
      if (pcSlice->getPPS()->getNumSubstreams() > 1 && uiCol == uiTileLCUX)
      {
        // We'll sync if the TR is available.
        TComDataCU *pcCUUp = pcCU->getCUAbove();
        UInt uiWidthInCU = rpcPic->getFrameWidthInCU();
        TComDataCU *pcCUTR = NULL;
        if ( pcCUUp && ((iCUAddr%uiWidthInCU+1) < uiWidthInCU)  )
        {
          pcCUTR = rpcPic->getCU( iCUAddr - uiWidthInCU + 1 );
        }
        UInt uiMaxParts = 1<<(pcSlice->getSPS()->getMaxCUDepth()<<1);

        if ( (true/*bEnforceSliceRestriction*/ &&
             ((pcCUTR==NULL) || (pcCUTR->getSlice()==NULL) || 
             ((pcCUTR->getSCUAddr()+uiMaxParts-1) < pcSlice->getSliceCurStartCUAddr()) ||
             ((rpcPic->getPicSym()->getTileIdxMap( pcCUTR->getAddr() ) != rpcPic->getPicSym()->getTileIdxMap(iCUAddr)))
             ))||
             (true/*bEnforceEntropySliceRestriction*/ &&
             ((pcCUTR==NULL) || (pcCUTR->getSlice()==NULL) || 
             ((pcCUTR->getSCUAddr()+uiMaxParts-1) < pcSlice->getEntropySliceCurStartCUAddr()) ||
             ((rpcPic->getPicSym()->getTileIdxMap( pcCUTR->getAddr() ) != rpcPic->getPicSym()->getTileIdxMap(iCUAddr)))
             ))
           )
        {
          // TR not available.
        }
        else
        {
          // TR is available, we use it.
            pcSbacDecoders[uiSubStrm].loadContexts( &m_pcBufferSbacDecoders[uiTileCol] );
        }
      }
      pcSbacDecoder->load(&pcSbacDecoders[uiSubStrm]);  //this load is used to simplify the code (avoid to change all the call to pcSbacDecoders)
    }
    else if ( iSymbolMode && pcSlice->getPPS()->getNumSubstreams() <= 1 )
    {
      // Set variables to appropriate values to avoid later code change.
      iNumSubstreamsPerTile = 1;
    }

    if ( (iCUAddr == rpcPic->getPicSym()->getTComTile(rpcPic->getPicSym()->getTileIdxMap(iCUAddr))->getFirstCUAddr()) && // 1st in tile.
         (iCUAddr!=0) && (iCUAddr!=rpcPic->getPicSym()->getPicSCUAddr(rpcPic->getSlice(rpcPic->getCurrSliceIdx())->getSliceCurStartCUAddr())/rpcPic->getNumPartInCU())) // !1st in frame && !1st in slice
    {
      if (pcSlice->getPPS()->getNumSubstreams() > 1)
      {
        // We're crossing into another tile, tiles are independent.
        // When tiles are independent, we have "substreams per tile".  Each substream has already been terminated, and we no longer
        // have to perform it here.
        // For TILES_DECODER, there can be a header at the start of the 1st substream in a tile.  These are read when the substreams
        // are extracted, not here.
      }
      else
      {
#if CABAC_INIT_FLAG
        SliceType sliceType  = pcSlice->getSliceType();
        if (pcSlice->getCabacInitFlag())
        {
          switch (sliceType)
          {
          case P_SLICE:           // change initialization table to B_SLICE intialization
            sliceType = B_SLICE; 
            break;
          case B_SLICE:           // change initialization table to P_SLICE intialization
            sliceType = P_SLICE; 
            break;
          default     :           // should not occur
            assert(0);
          }
        }
        m_pcEntropyDecoder->updateContextTables( sliceType, pcSlice->getSliceQp() );
#else
        m_pcEntropyDecoder->updateContextTables( pcSlice->getSliceType(), pcSlice->getSliceQp() );
#endif
      }
      
      Bool bTileMarkerFoundFlag = false;
      TComInputBitstream *pcTmpPtr;
      pcTmpPtr = ppcSubstreams[uiSubStrm]; // for CABAC

      for (UInt uiIdx=0; uiIdx<pcTmpPtr->getTileMarkerLocationCount(); uiIdx++)
      {
        if ( pcTmpPtr->getByteLocation() == (pcTmpPtr->getTileMarkerLocation( uiIdx )+2) )
        {
          bTileMarkerFoundFlag = true;
          break;
        }
      }

      if (bTileMarkerFoundFlag)
      {
        UInt uiTileIdx;
        // Read tile index
        m_pcEntropyDecoder->readTileMarker( uiTileIdx, rpcPic->getPicSym()->getBitsUsedByTileIdx() );
      }
    }



#if ENC_DEC_TRACE
    g_bJustDoIt = g_bEncDecTraceEnable;
#endif
    if ( pcSlice->getSPS()->getUseSAO() && pcSlice->getSaoInterleavingFlag() && pcSlice->getSaoEnabledFlag() )
    {
      pcSlice->getAPS()->getSaoParam()->bSaoFlag[0] = pcSlice->getSaoEnabledFlag();
      if (iCUAddr == iStartCUAddr)
      {
        pcSlice->getAPS()->getSaoParam()->bSaoFlag[1] = pcSlice->getSaoEnabledFlagCb();
        pcSlice->getAPS()->getSaoParam()->bSaoFlag[2] = pcSlice->getSaoEnabledFlagCr();
      }
      Int numCuInWidth     = pcSlice->getAPS()->getSaoParam()->numCuInWidth;
      Int cuAddrInSlice = iCUAddr - pcSlice->getSliceCurStartCUAddr()/rpcPic->getNumPartInCU();
      Int cuAddrUpInSlice  = cuAddrInSlice - numCuInWidth;
      Int rx = iCUAddr % numCuInWidth;
      Int ry = iCUAddr / numCuInWidth;
      pcSbacDecoder->parseSaoOneLcuInterleaving(rx, ry, pcSlice->getAPS()->getSaoParam(),pcCU, cuAddrInSlice, cuAddrUpInSlice, pcSlice->getSPS()->getLFCrossSliceBoundaryFlag() );
    }

    m_pcCuDecoder->decodeCU     ( pcCU, uiIsLast );
    m_pcCuDecoder->decompressCU ( pcCU );
    
#if ENC_DEC_TRACE
    g_bJustDoIt = g_bEncDecTraceDisable;
#endif
    if( iSymbolMode )
    {
      /*If at the end of a LCU line but not at the end of a substream, perform CABAC flush*/
      if (!uiIsLast && pcSlice->getPPS()->getNumSubstreams() > 1)
      {
        if ((uiCol == uiTileLCUX+uiTileWidth-1) && (uiLin+iNumSubstreamsPerTile < uiTileLCUY+uiTileHeight))
        {
          m_pcEntropyDecoder->decodeFlush();
        }
      }
      pcSbacDecoders[uiSubStrm].load(pcSbacDecoder);

      //Store probabilities of second LCU in line into buffer
      if (pcSlice->getPPS()->getNumSubstreams() > 1 && (uiCol == uiTileLCUX+1))
      {
        m_pcBufferSbacDecoders[uiTileCol].loadContexts( &pcSbacDecoders[uiSubStrm] );
      }

    }
  }

}