本文整理汇总了C++中SliceHeader::isBSlice方法的典型用法代码示例。如果您正苦于以下问题：C++ SliceHeader::isBSlice方法的具体用法？C++ SliceHeader::isBSlice怎么用？C++ SliceHeader::isBSlice使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类SliceHeader的用法示例。
在下文中一共展示了SliceHeader::isBSlice方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: ROF
ErrVal
SliceEncoder::encodeSlice( SliceHeader& rcSliceHeader,
Frame* pcFrame,
MbDataCtrl* pcMbDataCtrl,
RefListStruct& rcRefListStruct,
Bool bMCBlks8x8Disable,
UInt uiMbInRow,
Double dlambda )
{
ROF( pcFrame );
ROF( pcMbDataCtrl );
UInt uiMaxMvPerMb = rcSliceHeader.getSPS().getMaxMVsPer2Mb () >> 1; // hard limit (don't take into account last macroblock)
//===== get co-located picture =====
MbDataCtrl* pcMbDataCtrlL1 = NULL;
RefFrameList& rcList1 = rcRefListStruct.acRefFrameListME[1];
if( rcList1.getActive() && rcList1.getEntry( 0 )->getRecPicBufUnit() )
{
pcMbDataCtrlL1 = rcList1.getEntry( 0 )->getRecPicBufUnit()->getMbDataCtrl();
}
ROT( rcSliceHeader.isBSlice() && ! pcMbDataCtrlL1 );
//===== initialization =====
RNOK( pcMbDataCtrl ->initSlice ( rcSliceHeader, ENCODE_PROCESS, false, pcMbDataCtrlL1 ) );
RNOK( m_pcControlMng->initSliceForCoding( rcSliceHeader ) );
//===== loop over macroblocks =====
for( UInt uiMbAddress = rcSliceHeader.getFirstMbInSlice(); uiMbAddress <= rcSliceHeader.getLastMbInSlice(); uiMbAddress = rcSliceHeader.getFMO()->getNextMBNr( uiMbAddress ) )
{
UInt uiMbY = uiMbAddress / uiMbInRow;
UInt uiMbX = uiMbAddress % uiMbInRow;
MbDataAccess* pcMbDataAccess = 0;
RNOK( pcMbDataCtrl ->initMb ( pcMbDataAccess, uiMbY, uiMbX ) );
RNOK( m_pcControlMng->initMbForCoding ( *pcMbDataAccess, uiMbY, uiMbX, false, false ) );
pcMbDataAccess->setMbDataAccessBase ( NULL );
RNOK( m_pcMbEncoder ->encodeMacroblock( *pcMbDataAccess,
pcFrame,
rcRefListStruct,
uiMaxMvPerMb,
bMCBlks8x8Disable,
m_pcCodingParameter->getBiPred8x8Disable() > 0,
m_pcCodingParameter->getMotionVectorSearchParams().getNumMaxIter(),
m_pcCodingParameter->getMotionVectorSearchParams().getIterSearchRange(),
dlambda ) );
RNOK( m_pcMbCoder ->encode ( *pcMbDataAccess,
NULL,
( uiMbAddress == rcSliceHeader.getLastMbInSlice() )
,true ) );
}
return Err::m_nOK;
}示例2: xSetPredWeights
ErrVal SliceEncoder::xSetPredWeights( SliceHeader& rcSH,
Frame* pOrgFrame,
RefListStruct& rcRefListStruct )
{
ROTRS( rcSH.isIntraSlice(), Err::m_nOK );
RefFrameList& rcRefFrameList0 = rcRefListStruct.acRefFrameListRC[0];
RefFrameList& rcRefFrameList1 = rcRefListStruct.acRefFrameListRC[1];
const SampleWeightingParams& rcSWP = m_pcCodingParameter->getSampleWeightingParams(rcSH.getDependencyId());
{ // determine denoms
const UInt uiLumaDenom = rcSWP.getLumaDenom();
rcSH.setLumaLog2WeightDenom ( ( uiLumaDenom == MSYS_UINT_MAX ) ? gIntRandom(0,7) : uiLumaDenom );
const UInt uiChromaDenom = rcSWP.getChromaDenom();
rcSH.setChromaLog2WeightDenom( ( uiChromaDenom == MSYS_UINT_MAX ) ? gIntRandom(0,7) : uiChromaDenom );
}
const Int iChromaScale = 1<<rcSH.getChromaLog2WeightDenom();
const Int iLumaScale = 1<<rcSH.getLumaLog2WeightDenom();
m_pcControlMng->initSliceForWeighting(rcSH);
if( rcSH.isBSlice() )
{
ROTRS( 1 != rcSH.getPPS().getWeightedBiPredIdc(), Err::m_nOK );
}
else
{
ROTRS( ! rcSH.getPPS().getWeightedPredFlag(), Err::m_nOK );
}
if( rcSH.isBSlice() )
{
RNOK( rcSH.getPredWeightTable(LIST_1).initDefaults( rcSH.getLumaLog2WeightDenom(), rcSH.getChromaLog2WeightDenom() ) );
}
RNOK( rcSH.getPredWeightTable(LIST_0).initDefaults( rcSH.getLumaLog2WeightDenom(), rcSH.getChromaLog2WeightDenom() ) );
Double afFwWeight[MAX_REF_FRAMES][3];
Double afBwWeight[MAX_REF_FRAMES][3];
Double afFwOffsets[MAX_REF_FRAMES][3];
Double afBwOffsets[MAX_REF_FRAMES][3];
/* init arrays with default weights */
for (UInt x = 0; x < MAX_REF_FRAMES; x++)
{
xInitDefaultWeights(afFwWeight[x], rcSH.getLumaLog2WeightDenom(), rcSH.getChromaLog2WeightDenom());
xInitDefaultWeights(afBwWeight[x], rcSH.getLumaLog2WeightDenom(), rcSH.getChromaLog2WeightDenom());
afFwOffsets[x][0] = afFwOffsets[x][1] = afFwOffsets[x][2] = 0;
afBwOffsets[x][0] = afBwOffsets[x][1] = afBwOffsets[x][2] = 0;
}
if( rcSH.isBSlice() )
{
RNOK( m_pcMbEncoder->getPredWeights( rcSH, LIST_1, afBwWeight,
pOrgFrame, rcRefFrameList1 ) );
RNOK( rcSH.getPredWeightTable( LIST_1).setWeights( afBwWeight, iLumaScale, iChromaScale ) );
}
RNOK( m_pcMbEncoder->getPredWeights( rcSH, LIST_0, afFwWeight, pOrgFrame, rcRefFrameList0 ) );
RNOK( rcSH.getPredWeightTable( LIST_0).setWeights( afFwWeight, iLumaScale, iChromaScale ) );
return Err::m_nOK;
}示例3: switch
ErrVal
SampleWeighting::initSlice( const SliceHeader& rcSliceHeader )
{
if( rcSliceHeader.isIntraSlice() )
{
m_bWeightedPredDisableP = true;
m_bWeightedPredDisableB = true;
m_bExplicit = false;
return Err::m_nOK;
}
if( rcSliceHeader.isPSlice() )
{
m_bExplicit = rcSliceHeader.getPPS().getWeightedPredFlag();
m_bWeightedPredDisableP = ! m_bExplicit;
m_bWeightedPredDisableB = true;
if( m_bExplicit )
{
m_uiLumaLogWeightDenom = rcSliceHeader.getLumaLog2WeightDenom();
m_uiChromaLogWeightDenom = rcSliceHeader.getChromaLog2WeightDenom();
}
return Err::m_nOK;
}
if( rcSliceHeader.isBSlice() )
{
switch( rcSliceHeader.getPPS().getWeightedBiPredIdc() )
{
case 0:
{
m_bExplicit = false;
m_bWeightedPredDisableP = true;
m_bWeightedPredDisableB = true;
m_uiLumaLogWeightDenom = 0;
m_uiChromaLogWeightDenom = 0;
}
break;
case 1:
{
m_bExplicit = true;
m_bWeightedPredDisableP = false;
m_bWeightedPredDisableB = false;
m_uiLumaLogWeightDenom = rcSliceHeader.getLumaLog2WeightDenom();
m_uiChromaLogWeightDenom = rcSliceHeader.getChromaLog2WeightDenom();
}
break;
case 2:
{
m_bExplicit = false;
m_bWeightedPredDisableP = true;
m_bWeightedPredDisableB = false;
m_uiLumaLogWeightDenom = 5;
m_uiChromaLogWeightDenom = 5;
}
break;
default:
{
AF();
}
break;
}
}
return Err::m_nOK;
}