!pcCULeftBottom->isIntra( uiLeftBottomPartIdx ) ;

if ( isAvailableA0 && ( !isAvailableA1 || !pcCULeft->hasEqualMotion( uiLeftPartIdx, pcCULeftBottom, uiLeftBottomPartIdx ) ) )

#else//!< 如果A1可用，则检查A1和A0的MV是否相同，否则不需要检查

if (pcCULeftBottom)

{

if (!pcCULeftBottom->isDiffMER(xP-1, yP+nPSH, xP, yP))

{

pcCULeftBottom = NULL;

}

}

if ( pcCULeftBottom && !pcCULeftBottom->isIntra( uiLeftBottomPartIdx ) && ( !pcCULeft || pcCULeft->isIntra( uiLeftPartIdx ) || !pcCULeft->hasEqualMotion( uiLeftPartIdx, pcCULeftBottom, uiLeftBottomPartIdx ) ) )

#endif

{

abCandIsInter[iCount] = true;

// get Inter Dir

puhInterDirNeighbours[iCount] = pcCULeftBottom->getInterDir( uiLeftBottomPartIdx );

// get Mv from LeftBottom

pcCULeftBottom->getMvField( pcCULeftBottom, uiLeftBottomPartIdx, REF_PIC_LIST_0, pcMvFieldNeighbours[iCount<<1] );

if ( getSlice()->isInterB() )

{

pcCULeftBottom->getMvField( pcCULeftBottom, uiLeftBottomPartIdx, REF_PIC_LIST_1, pcMvFieldNeighbours[(iCount<<1)+1] );

}

if ( mrgCandIdx == iCount )

{

return;

}

iCount ++;

}

// early termination

if (iCount == getSlice()->getMaxNumMergeCand())

{

return;

}

// above left

if( iCount < 4 )

{

UInt uiAboveLeftPartIdx = 0;

TComDataCU* pcCUAboveLeft = 0;

#if LINEBUF_CLEANUP

pcCUAboveLeft = getPUAboveLeft( uiAboveLeftPartIdx, uiAbsPartAddr, true, false );

#else

pcCUAboveLeft = getPUAboveLeft( uiAboveLeftPartIdx, uiAbsPartAddr, true, false, true );

#endif

#if MERGE_CLEANUP_AND_K0197

Bool isAvailableB2 = pcCUAboveLeft &&

pcCUAboveLeft->isDiffMER(xP-1, yP-1, xP, yP) &&

!pcCUAboveLeft->isIntra( uiAboveLeftPartIdx );

if ( isAvailableB2 && ( !isAvailableA1 || !pcCULeft->hasEqualMotion( uiLeftPartIdx, pcCUAboveLeft, uiAboveLeftPartIdx ) )

&& ( !isAvailableB1 || !pcCUAbove->hasEqualMotion( uiAbovePartIdx, pcCUAboveLeft, uiAboveLeftPartIdx ) ) )

#else//!< 分别将B2与A1、B1的mv进行比较

if (pcCUAboveLeft)

{

if (!pcCUAboveLeft->isDiffMER(xP-1, yP-1, xP, yP))

{

pcCUAboveLeft = NULL;

}

}

if( pcCUAboveLeft && !pcCUAboveLeft->isIntra( uiAboveLeftPartIdx )

&& ( !pcCULeft || pcCULeft->isIntra( uiLeftPartIdx ) || !pcCULeft->hasEqualMotion( uiLeftPartIdx, pcCUAboveLeft, uiAboveLeftPartIdx ) )

&& ( !pcCUAbove || pcCUAbove->isIntra( uiAbovePartIdx ) || !pcCUAbove->hasEqualMotion( uiAbovePartIdx, pcCUAboveLeft, uiAboveLeftPartIdx ) )

)

#endif

{

abCandIsInter[iCount] = true;

// get Inter Dir

puhInterDirNeighbours[iCount] = pcCUAboveLeft->getInterDir( uiAboveLeftPartIdx );

// get Mv from AboveLeft

pcCUAboveLeft->getMvField( pcCUAboveLeft, uiAboveLeftPartIdx, REF_PIC_LIST_0, pcMvFieldNeighbours[iCount<<1] );

if ( getSlice()->isInterB() )

{

pcCUAboveLeft->getMvField( pcCUAboveLeft, uiAboveLeftPartIdx, REF_PIC_LIST_1, pcMvFieldNeighbours[(iCount<<1)+1] );

}

if ( mrgCandIdx == iCount )

{

return;

}

iCount ++;

}

}

// early termination

if (iCount == getSlice()->getMaxNumMergeCand()) //!< 如果可用的merge candidates达到预设的最大值（5），则提前退出

{

return;

}

if ( getSlice()->getEnableTMVPFlag()) //!< default is 1

{