Void TDecGop::filterPicture(TComPic*& rpcPic)
{
TComSlice* pcSlice = rpcPic->getSlice(rpcPic->getCurrSliceIdx());
//-- For time output for each slice
long iBeforeTime = clock();
// deblocking filter
Bool bLFCrossTileBoundary = pcSlice->getPPS()->getLoopFilterAcrossTilesEnabledFlag();
m_pcLoopFilter->setCfg(bLFCrossTileBoundary);
m_pcLoopFilter->loopFilterPic( rpcPic );
if(pcSlice->getSPS()->getUseSAO())
{
m_sliceStartCUAddress.push_back(rpcPic->getNumCUsInFrame()* rpcPic->getNumPartInCU());
rpcPic->createNonDBFilterInfo(m_sliceStartCUAddress, 0, &m_LFCrossSliceBoundaryFlag, rpcPic->getPicSym()->getNumTiles(), bLFCrossTileBoundary);
}
if( pcSlice->getSPS()->getUseSAO() )
{
{
SAOParam *saoParam = rpcPic->getPicSym()->getSaoParam();
saoParam->bSaoFlag[0] = pcSlice->getSaoEnabledFlag();
saoParam->bSaoFlag[1] = pcSlice->getSaoEnabledFlagChroma();
m_pcSAO->setSaoLcuBasedOptimization(1);
m_pcSAO->createPicSaoInfo(rpcPic);
m_pcSAO->SAOProcess(saoParam);
m_pcSAO->PCMLFDisableProcess(rpcPic);
m_pcSAO->destroyPicSaoInfo();
}
}
if(pcSlice->getSPS()->getUseSAO())
{
rpcPic->destroyNonDBFilterInfo();
}
#if H_3D
rpcPic->compressMotion(2);
#endif
#if !H_3D
rpcPic->compressMotion();
#endif
Char c = (pcSlice->isIntra() ? 'I' : pcSlice->isInterP() ? 'P' : 'B');
if (!pcSlice->isReferenced()) c += 32;
//-- For time output for each slice
#if H_MV
printf("\nLayer %2d POC %4d TId: %1d ( %c-SLICE, QP%3d ) ", pcSlice->getLayerId(),
pcSlice->getPOC(),
pcSlice->getTLayer(),
c,
pcSlice->getSliceQp() );
#else
printf("\nPOC %4d TId: %1d ( %c-SLICE, QP%3d ) ", pcSlice->getPOC(),
pcSlice->getTLayer(),
c,
pcSlice->getSliceQp() );
#endif
m_dDecTime += (Double)(clock()-iBeforeTime) / CLOCKS_PER_SEC;
printf ("[DT %6.3f] ", m_dDecTime );
m_dDecTime = 0;
for (Int iRefList = 0; iRefList < 2; iRefList++)
{
printf ("[L%d ", iRefList);
for (Int iRefIndex = 0; iRefIndex < pcSlice->getNumRefIdx(RefPicList(iRefList)); iRefIndex++)
{
#if H_MV
if( pcSlice->getLayerId() != pcSlice->getRefLayerId( RefPicList(iRefList), iRefIndex ) )
{
printf( "V%d ", pcSlice->getRefLayerId( RefPicList(iRefList), iRefIndex ) );
}
else
{
#endif
printf ("%d ", pcSlice->getRefPOC(RefPicList(iRefList), iRefIndex));
#if H_MV
}
#endif
}
printf ("] ");
}
if (m_decodedPictureHashSEIEnabled)
{
SEIMessages pictureHashes = getSeisByType(rpcPic->getSEIs(), SEI::DECODED_PICTURE_HASH );
const SEIDecodedPictureHash *hash = ( pictureHashes.size() > 0 ) ? (SEIDecodedPictureHash*) *(pictureHashes.begin()) : NULL;
if (pictureHashes.size() > 1)
{
printf ("Warning: Got multiple decoded picture hash SEI messages. Using first.");
}
calcAndPrintHashStatus(*rpcPic->getPicYuvRec(), hash);
}
rpcPic->setOutputMark(true);
rpcPic->setReconMark(true);
m_sliceStartCUAddress.clear();
m_LFCrossSliceBoundaryFlag.clear();
}
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** 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 ¤tTile = *(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* 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] );
}
}
}
}
