Void TDecEntropy::decodePredInfo ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, TComDataCU* pcSubCU )
{
PartSize eMode = pcCU->getPartitionSize( uiAbsPartIdx );
if( pcCU->isIntra( uiAbsPartIdx ) ) // If it is Intra mode, encode intra prediction mode.
{
if( eMode == SIZE_NxN ) // if it is NxN size, encode 4 intra directions.
{
UInt uiPartOffset = ( pcCU->getPic()->getNumPartInCU() >> ( pcCU->getDepth(uiAbsPartIdx) << 1 ) ) >> 2;
// if it is NxN size, this size might be the smallest partition size. // if it is NxN size, this size might be the smallest partition size.
decodeIntraDirModeLuma( pcCU, uiAbsPartIdx, uiDepth+1 );
decodeIntraDirModeLuma( pcCU, uiAbsPartIdx + uiPartOffset, uiDepth+1 );
decodeIntraDirModeLuma( pcCU, uiAbsPartIdx + uiPartOffset*2, uiDepth+1 );
decodeIntraDirModeLuma( pcCU, uiAbsPartIdx + uiPartOffset*3, uiDepth+1 );
decodeIntraDirModeChroma( pcCU, uiAbsPartIdx, uiDepth );
}
else // if it is not NxN size, encode 1 intra directions
{
Void TDecEntropy::decodePredInfo ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, TComDataCU* pcSubCU )
{
if( pcCU->isIntra( uiAbsPartIdx ) ) // If it is Intra mode, encode intra prediction mode.
{
decodeIntraDirModeLuma ( pcCU, uiAbsPartIdx, uiDepth );
decodeIntraDirModeChroma( pcCU, uiAbsPartIdx, uiDepth );
}
else // if it is Inter mode, encode motion vector and reference index
{
decodePUWise( pcCU, uiAbsPartIdx, uiDepth, pcSubCU );
}
}
Void TDecEntropy::decodePredInfo ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, TComDataCU* pcSubCU )
{
if( pcCU->isIntra( uiAbsPartIdx ) ) // If it is Intra mode, encode intra prediction mode.
{
decodeIntraDirModeLuma ( pcCU, uiAbsPartIdx, uiDepth );
if (pcCU->getPic()->getChromaFormat()!=CHROMA_400)
{
decodeIntraDirModeChroma( pcCU, uiAbsPartIdx, uiDepth );
if (enable4ChromaPUsInIntraNxNCU(pcCU->getPic()->getChromaFormat()) && pcCU->getPartitionSize( uiAbsPartIdx )==SIZE_NxN)
{
UInt uiPartOffset = ( pcCU->getPic()->getNumPartitionsInCtu() >> ( pcCU->getDepth(uiAbsPartIdx) << 1 ) ) >> 2;
decodeIntraDirModeChroma( pcCU, uiAbsPartIdx + uiPartOffset, uiDepth+1 );
decodeIntraDirModeChroma( pcCU, uiAbsPartIdx + uiPartOffset*2, uiDepth+1 );
decodeIntraDirModeChroma( pcCU, uiAbsPartIdx + uiPartOffset*3, uiDepth+1 );
}
