C++ TComSlice::getSliceCurStartCUAddr方法代码示例

Void TDecGop::decompressSlice(TComInputBitstream* pcBitstream, TComPic*& rpcPic)
{
  TComSlice*  pcSlice = rpcPic->getSlice(rpcPic->getCurrSliceIdx());
  // Table of extracted substreams.
  // These must be deallocated AND their internal fifos, too.
  TComInputBitstream **ppcSubstreams = NULL;

  //-- For time output for each slice
  long iBeforeTime = clock();
  
  UInt uiStartCUAddr   = pcSlice->getSliceSegmentCurStartCUAddr();

  UInt uiSliceStartCuAddr = pcSlice->getSliceCurStartCUAddr();
  if(uiSliceStartCuAddr == uiStartCUAddr)
  {
    m_sliceStartCUAddress.push_back(uiSliceStartCuAddr);
  }

  m_pcSbacDecoder->init( (TDecBinIf*)m_pcBinCABAC );
  m_pcEntropyDecoder->setEntropyDecoder (m_pcSbacDecoder);

  UInt uiNumSubstreams = pcSlice->getPPS()->getEntropyCodingSyncEnabledFlag() ? pcSlice->getNumEntryPointOffsets()+1 : pcSlice->getPPS()->getNumSubstreams();

  // init each couple {EntropyDecoder, Substream}
  UInt *puiSubstreamSizes = pcSlice->getSubstreamSizes();
  ppcSubstreams    = new TComInputBitstream*[uiNumSubstreams];
  m_pcSbacDecoders = new TDecSbac[uiNumSubstreams];
  m_pcBinCABACs    = new TDecBinCABAC[uiNumSubstreams];
  for ( UInt ui = 0 ; ui < uiNumSubstreams ; ui++ )
  {
    m_pcSbacDecoders[ui].init(&m_pcBinCABACs[ui]);
    ppcSubstreams[ui] = pcBitstream->extractSubstream(ui+1 < uiNumSubstreams ? puiSubstreamSizes[ui] : pcBitstream->getNumBitsLeft());
  }

  for ( UInt ui = 0 ; ui+1 < uiNumSubstreams; ui++ )
  {
    m_pcEntropyDecoder->setEntropyDecoder ( &m_pcSbacDecoders[uiNumSubstreams - 1 - ui] );
    m_pcEntropyDecoder->setBitstream      (  ppcSubstreams   [uiNumSubstreams - 1 - ui] );
    m_pcEntropyDecoder->resetEntropy      (pcSlice);
  }

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

  if(uiSliceStartCuAddr == uiStartCUAddr)
  {
    m_LFCrossSliceBoundaryFlag.push_back( pcSlice->getLFCrossSliceBoundaryFlag());
  }
#if H_3D_NBDV 
  if(pcSlice->getViewIndex() && !pcSlice->getIsDepth()) //Notes from QC: this condition shall be changed once the configuration is completed, e.g. in pcSlice->getSPS()->getMultiviewMvPredMode() || ARP in prev. HTM. Remove this comment once it is done.
  {
    Int iColPoc = pcSlice->getRefPOC(RefPicList(1-pcSlice->getColFromL0Flag()), pcSlice->getColRefIdx());
    rpcPic->setNumDdvCandPics(rpcPic->getDisCandRefPictures(iColPoc));
  }

  if(pcSlice->getViewIndex() && !pcSlice->getIsDepth() && !pcSlice->isIntra()) //Notes from QC: this condition shall be changed once the configuration is completed, e.g. in pcSlice->getSPS()->getMultiviewMvPredMode() || ARP in prev. HTM. Remove this comment once it is done.
  {
    rpcPic->checkTemporalIVRef();
  }

  if(pcSlice->getIsDepth())
  {
    rpcPic->checkTextureRef();
  }
#endif
#if H_3D
  pcSlice->setDepthToDisparityLUTs(); 
#endif
  m_pcSbacDecoders[0].load(m_pcSbacDecoder);
  m_pcSliceDecoder->decompressSlice( ppcSubstreams, rpcPic, m_pcSbacDecoder, m_pcSbacDecoders);
  m_pcEntropyDecoder->setBitstream(  ppcSubstreams[uiNumSubstreams-1] );
  // deallocate all created substreams, including internal buffers.
  for (UInt ui = 0; ui < uiNumSubstreams; ui++)
  {
    ppcSubstreams[ui]->deleteFifo();
    delete ppcSubstreams[ui];
  }
  delete[] ppcSubstreams;
  delete[] m_pcSbacDecoders; m_pcSbacDecoders = NULL;
  delete[] m_pcBinCABACs; m_pcBinCABACs = NULL;

  m_dDecTime += (Double)(clock()-iBeforeTime) / CLOCKS_PER_SEC;
}

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)
          {
//.........这里部分代码省略.........

Void TDecGop::decompressSlice(TComInputBitstream* pcBitstream, TComPic*& rpcPic)
{
  TComSlice*  pcSlice = rpcPic->getSlice(rpcPic->getCurrSliceIdx());
  // Table of extracted substreams.
  // These must be deallocated AND their internal fifos, too.
  TComInputBitstream **ppcSubstreams = NULL;

  //-- For time output for each slice
  long iBeforeTime = clock();
  
  UInt uiStartCUAddr   = pcSlice->getSliceSegmentCurStartCUAddr();

  UInt uiSliceStartCuAddr = pcSlice->getSliceCurStartCUAddr();
  if(uiSliceStartCuAddr == uiStartCUAddr)
  {
    m_sliceStartCUAddress.push_back(uiSliceStartCuAddr);
  }

  m_pcSbacDecoder->init( (TDecBinIf*)m_pcBinCABAC );
  m_pcEntropyDecoder->setEntropyDecoder (m_pcSbacDecoder);

  UInt uiNumSubstreams = pcSlice->getPPS()->getEntropyCodingSyncEnabledFlag() ? pcSlice->getNumEntryPointOffsets()+1 : pcSlice->getPPS()->getNumSubstreams();

  // init each couple {EntropyDecoder, Substream}
  UInt *puiSubstreamSizes = pcSlice->getSubstreamSizes();
  ppcSubstreams    = new TComInputBitstream*[uiNumSubstreams];
  m_pcSbacDecoders = new TDecSbac[uiNumSubstreams];
  m_pcBinCABACs    = new TDecBinCABAC[uiNumSubstreams];
  for ( UInt ui = 0 ; ui < uiNumSubstreams ; ui++ )
  {
    m_pcSbacDecoders[ui].init(&m_pcBinCABACs[ui]);
    ppcSubstreams[ui] = pcBitstream->extractSubstream(ui+1 < uiNumSubstreams ? puiSubstreamSizes[ui] : pcBitstream->getNumBitsLeft());
  }

  for ( UInt ui = 0 ; ui+1 < uiNumSubstreams; ui++ )
  {
    m_pcEntropyDecoder->setEntropyDecoder ( &m_pcSbacDecoders[uiNumSubstreams - 1 - ui] );
    m_pcEntropyDecoder->setBitstream      (  ppcSubstreams   [uiNumSubstreams - 1 - ui] );
    m_pcEntropyDecoder->resetEntropy      (pcSlice);
  }

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

  if(uiSliceStartCuAddr == uiStartCUAddr)
  {
    m_LFCrossSliceBoundaryFlag.push_back( pcSlice->getLFCrossSliceBoundaryFlag());
  }
  m_pcSbacDecoders[0].load(m_pcSbacDecoder);
  m_pcSliceDecoder->decompressSlice( ppcSubstreams, rpcPic, m_pcSbacDecoder, m_pcSbacDecoders);
  m_pcEntropyDecoder->setBitstream(  ppcSubstreams[uiNumSubstreams-1] );
  // deallocate all created substreams, including internal buffers.
  for (UInt ui = 0; ui < uiNumSubstreams; ui++)
  {
    ppcSubstreams[ui]->deleteFifo();
    delete ppcSubstreams[ui];
  }
  delete[] ppcSubstreams;
  delete[] m_pcSbacDecoders; m_pcSbacDecoders = NULL;
  delete[] m_pcBinCABACs; m_pcBinCABACs = NULL;

  m_dDecTime += (Double)(clock()-iBeforeTime) / CLOCKS_PER_SEC;
}

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;
//.........这里部分代码省略.........