/* The copyright in this software is being made available under the BSD
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* and contributor rights, including patent rights, and no such rights are
* granted under this license.
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* Copyright (c) 2010-2018, ITU/ISO/IEC
* All rights reserved.
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* modification, are permitted provided that the following conditions are met:
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* this list of conditions and the following disclaimer.
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* this list of conditions and the following disclaimer in the documentation
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* be used to endorse or promote products derived from this software without
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/** \file Prediction.cpp
\brief prediction class
*/
#include "InterPrediction.h"
#include "Buffer.h"
#include "UnitTools.h"
#include <memory.h>
#include <algorithm>
//! \ingroup CommonLib
//! \{
// ====================================================================================================================
// Constructor / destructor / initialize
// ====================================================================================================================
InterPrediction::InterPrediction()
:
m_currChromaFormat( NUM_CHROMA_FORMAT )
, m_maxCompIDToPred ( MAX_NUM_COMPONENT )
, m_pcRdCost ( nullptr )
#if JVET_L0265_AFF_MINIMUM4X4
, m_storedMv ( nullptr )
#endif
#if JVET_L0256_BIO
, m_gradX0(nullptr)
, m_gradY0(nullptr)
, m_gradX1(nullptr)
, m_gradY1(nullptr)
, m_subPuMC(false)
#endif
{
for( uint32_t ch = 0; ch < MAX_NUM_COMPONENT; ch++ )
{
for( uint32_t refList = 0; refList < NUM_REF_PIC_LIST_01; refList++ )
{
m_acYuvPred[refList][ch] = nullptr;
}
}
for( uint32_t c = 0; c < MAX_NUM_COMPONENT; c++ )
{
for( uint32_t i = 0; i < LUMA_INTERPOLATION_FILTER_SUB_SAMPLE_POSITIONS; i++ )
{
for( uint32_t j = 0; j < LUMA_INTERPOLATION_FILTER_SUB_SAMPLE_POSITIONS; j++ )
{
m_filteredBlock[i][j][c] = nullptr;
}
m_filteredBlockTmp[i][c] = nullptr;
}
}
}
InterPrediction::~InterPrediction()
{
destroy();
}
void InterPrediction::destroy()
{
for( uint32_t i = 0; i < NUM_REF_PIC_LIST_01; i++ )
{
for( uint32_t c = 0; c < MAX_NUM_COMPONENT; c++ )
{
xFree( m_acYuvPred[i][c] );
m_acYuvPred[i][c] = nullptr;
}
}
for( uint32_t c = 0; c < MAX_NUM_COMPONENT; c++ )
{
for( uint32_t i = 0; i < LUMA_INTERPOLATION_FILTER_SUB_SAMPLE_POSITIONS; i++ )
{
for( uint32_t j = 0; j < LUMA_INTERPOLATION_FILTER_SUB_SAMPLE_POSITIONS; j++ )
{
xFree( m_filteredBlock[i][j][c] );
m_filteredBlock[i][j][c] = nullptr;
}
xFree( m_filteredBlockTmp[i][c] );
m_filteredBlockTmp[i][c] = nullptr;
}
}
#if JVET_L0265_AFF_MINIMUM4X4
if (m_storedMv != nullptr)
{
delete[]m_storedMv;
}
#endif
#if JVET_L0256_BIO
xFree(m_gradX0); m_gradX0 = nullptr;
xFree(m_gradY0); m_gradY0 = nullptr;
xFree(m_gradX1); m_gradX1 = nullptr;
xFree(m_gradY1); m_gradY1 = nullptr;
#endif
}
void InterPrediction::init( RdCost* pcRdCost, ChromaFormat chromaFormatIDC )
{
m_pcRdCost = pcRdCost;
// if it has been initialised before, but the chroma format has changed, release the memory and start again.
if( m_acYuvPred[REF_PIC_LIST_0][COMPONENT_Y] != nullptr && m_currChromaFormat != chromaFormatIDC )
{
destroy();
}
m_currChromaFormat = chromaFormatIDC;
if( m_acYuvPred[REF_PIC_LIST_0][COMPONENT_Y] == nullptr ) // check if first is null (in which case, nothing initialised yet)
{
for( uint32_t c = 0; c < MAX_NUM_COMPONENT; c++ )
{
#if JVET_L0256_BIO
int extWidth = MAX_CU_SIZE + (2 * BIO_EXTEND_SIZE + 2) + 16;
int extHeight = MAX_CU_SIZE + (2 * BIO_EXTEND_SIZE + 2) + 1;
#else
int extWidth = MAX_CU_SIZE + 16;
int extHeight = MAX_CU_SIZE + 1;
#endif
for( uint32_t i = 0; i < LUMA_INTERPOLATION_FILTER_SUB_SAMPLE_POSITIONS; i++ )
{
m_filteredBlockTmp[i][c] = ( Pel* ) xMalloc( Pel, ( extWidth + 4 ) * ( extHeight + 7 + 4 ) );
for( uint32_t j = 0; j < LUMA_INTERPOLATION_FILTER_SUB_SAMPLE_POSITIONS; j++ )
{
m_filteredBlock[i][j][c] = ( Pel* ) xMalloc( Pel, extWidth * extHeight );
}
}
// new structure
for( uint32_t i = 0; i < NUM_REF_PIC_LIST_01; i++ )
{
m_acYuvPred[i][c] = ( Pel* ) xMalloc( Pel, MAX_CU_SIZE * MAX_CU_SIZE );
}
}
m_iRefListIdx = -1;
#if JVET_L0256_BIO
m_gradX0 = (Pel*)xMalloc(Pel, BIO_TEMP_BUFFER_SIZE);
m_gradY0 = (Pel*)xMalloc(Pel, BIO_TEMP_BUFFER_SIZE);
m_gradX1 = (Pel*)xMalloc(Pel, BIO_TEMP_BUFFER_SIZE);
m_gradY1 = (Pel*)xMalloc(Pel, BIO_TEMP_BUFFER_SIZE);
#endif
}
#if !JVET_J0090_MEMORY_BANDWITH_MEASURE
m_if.initInterpolationFilter( true );
#endif
#if JVET_L0265_AFF_MINIMUM4X4
const int MVBUFFER_SIZE = MAX_CU_SIZE / MIN_PU_SIZE;
m_storedMv = new Mv [MVBUFFER_SIZE*MVBUFFER_SIZE];
#endif
}
bool checkIdenticalMotion( const PredictionUnit &pu, bool checkAffine )
{
const Slice &slice = *pu.cs->slice;
if( slice.isInterB() && !pu.cs->pps->getWPBiPred() )
{
if( pu.refIdx[0] >= 0 && pu.refIdx[1] >= 0 )
{
int RefPOCL0 = slice.getRefPic( REF_PIC_LIST_0, pu.refIdx[0] )->getPOC();
int RefPOCL1 = slice.getRefPic( REF_PIC_LIST_1, pu.refIdx[1] )->getPOC();
if( RefPOCL0 == RefPOCL1 )
{
if( !pu.cu->affine )
{
if( pu.mv[0] == pu.mv[1] )
{
return true;
}
}
else
{
CHECK( !checkAffine, "In this case, checkAffine should be on." );
const CMotionBuf &mb = pu.getMotionBuf();
if ( (pu.cu->affineType == AFFINEMODEL_4PARAM && (mb.at( 0, 0 ).mv[0] == mb.at( 0, 0 ).mv[1]) && (mb.at( mb.width - 1, 0 ).mv[0] == mb.at( mb.width - 1, 0 ).mv[1]))
|| (pu.cu->affineType == AFFINEMODEL_6PARAM && (mb.at( 0, 0 ).mv[0] == mb.at( 0, 0 ).mv[1]) && (mb.at( mb.width - 1, 0 ).mv[0] == mb.at( mb.width - 1, 0 ).mv[1]) && (mb.at( 0, mb.height - 1 ).mv[0] == mb.at( 0, mb.height - 1 ).mv[1])) )
{
return true;
}
}
}
}
}
return false;
}
// ====================================================================================================================
// Public member functions
// ====================================================================================================================
bool InterPrediction::xCheckIdenticalMotion( const PredictionUnit &pu )
{
const Slice &slice = *pu.cs->slice;
if( slice.isInterB() && !pu.cs->pps->getWPBiPred() )
{
if( pu.refIdx[0] >= 0 && pu.refIdx[1] >= 0 )
{
int RefPOCL0 = slice.getRefPic( REF_PIC_LIST_0, pu.refIdx[0] )->getPOC();
int RefPOCL1 = slice.getRefPic( REF_PIC_LIST_1, pu.refIdx[1] )->getPOC();
if( RefPOCL0 == RefPOCL1 )
{
if( !pu.cu->affine )
{
if( pu.mv[0] == pu.mv[1] )
{
return true;
}
}
else
{
const CMotionBuf &mb = pu.getMotionBuf();
if ( (pu.cu->affineType == AFFINEMODEL_4PARAM && (mb.at( 0, 0 ).mv[0] == mb.at( 0, 0 ).mv[1]) && (mb.at( mb.width - 1, 0 ).mv[0] == mb.at( mb.width - 1, 0 ).mv[1]))
|| (pu.cu->affineType == AFFINEMODEL_6PARAM && (mb.at( 0, 0 ).mv[0] == mb.at( 0, 0 ).mv[1]) && (mb.at( mb.width - 1, 0 ).mv[0] == mb.at( mb.width - 1, 0 ).mv[1]) && (mb.at( 0, mb.height - 1 ).mv[0] == mb.at( 0, mb.height - 1 ).mv[1])) )
{
return true;
}
}
}
}
}
return false;
}
void InterPrediction::xSubPuMC( PredictionUnit& pu, PelUnitBuf& predBuf, const RefPicList &eRefPicList /*= REF_PIC_LIST_X*/ )
{
// compute the location of the current PU
Position puPos = pu.lumaPos();
Size puSize = pu.lumaSize();
int numPartLine, numPartCol, puHeight, puWidth;
{
const Slice& slice = *pu.cs->slice;
numPartLine = std::max(puSize.width >> slice.getSubPuMvpSubblkLog2Size(), 1u);
numPartCol = std::max(puSize.height >> slice.getSubPuMvpSubblkLog2Size(), 1u);
puHeight = numPartCol == 1 ? puSize.height : 1 << slice.getSubPuMvpSubblkLog2Size();
puWidth = numPartLine == 1 ? puSize.width : 1 << slice.getSubPuMvpSubblkLog2Size();
}
PredictionUnit subPu;
subPu.cs = pu.cs;
subPu.cu = pu.cu;
subPu.mergeType = MRG_TYPE_DEFAULT_N;
#if JVET_L0369_SUBBLOCK_MERGE
bool isAffine = pu.cu->affine;
subPu.cu->affine = false;
#endif
// join sub-pus containing the same motion
bool verMC = puSize.height > puSize.width;
int fstStart = (!verMC ? puPos.y : puPos.x);
int secStart = (!verMC ? puPos.x : puPos.y);
int fstEnd = (!verMC ? puPos.y + puSize.height : puPos.x + puSize.width);
int secEnd = (!verMC ? puPos.x + puSize.width : puPos.y + puSize.height);
int fstStep = (!verMC ? puHeight : puWidth);
int secStep = (!verMC ? puWidth : puHeight);
#if JVET_L0256_BIO
m_subPuMC = true;
#endif
for (int fstDim = fstStart; fstDim < fstEnd; fstDim += fstStep)
{
for (int secDim = secStart; secDim < secEnd; secDim += secStep)
{
int x = !verMC ? secDim : fstDim;
int y = !verMC ? fstDim : secDim;
const MotionInfo &curMi = pu.getMotionInfo(Position{ x, y });
int length = secStep;
int later = secDim + secStep;
while (later < secEnd)
{
const MotionInfo &laterMi = !verMC ? pu.getMotionInfo(Position{ later, fstDim }) : pu.getMotionInfo(Position{ fstDim, later });
if (laterMi == curMi)
{
length += secStep;
}
else
{
break;
}
later += secStep;
}
int dx = !verMC ? length : puWidth;
int dy = !verMC ? puHeight : length;
subPu.UnitArea::operator=(UnitArea(pu.chromaFormat, Area(x, y, dx, dy)));
subPu = curMi;
PelUnitBuf subPredBuf = predBuf.subBuf(UnitAreaRelative(pu, subPu));
motionCompensation(subPu, subPredBuf, eRefPicList);
secDim = later - secStep;
}
}
#if JVET_L0256_BIO
m_subPuMC = false;
#endif
#if JVET_L0369_SUBBLOCK_MERGE
pu.cu->affine = isAffine;
#endif
}
void InterPrediction::xPredInterUni(const PredictionUnit& pu, const RefPicList& eRefPicList, PelUnitBuf& pcYuvPred, const bool& bi
#if JVET_L0256_BIO
,const bool& bioApplied /*=false*/
#endif
)
{
const SPS &sps = *pu.cs->sps;
int iRefIdx = pu.refIdx[eRefPicList];
Mv mv[3];
if( pu.cu->affine )
{
CHECK( iRefIdx < 0, "iRefIdx incorrect." );
#if JVET_L0694_AFFINE_LINEBUFFER_CLEANUP
mv[0] = pu.mvAffi[eRefPicList][0];
mv[1] = pu.mvAffi[eRefPicList][1];
mv[2] = pu.mvAffi[eRefPicList][2];
#else
const CMotionBuf &mb = pu.getMotionBuf();
mv[0] = mb.at( 0, 0 ).mv[eRefPicList];
mv[1] = mb.at( mb.width - 1, 0 ).mv[eRefPicList];
mv[2] = mb.at( 0, mb.height - 1 ).mv[eRefPicList];
#endif
}
else
{
mv[0] = pu.mv[eRefPicList];
}
if ( !pu.cu->affine )
clipMv(mv[0], pu.cu->lumaPos(), sps);
for( uint32_t comp = COMPONENT_Y; comp < pcYuvPred.bufs.size() && comp <= m_maxCompIDToPred; comp++ )
{
const ComponentID compID = ComponentID( comp );
if ( pu.cu->affine )
{
#if JVET_L0256_BIO
CHECK( bioApplied, "BIO is not allowed with affine" );
#endif
xPredAffineBlk( compID, pu, pu.cu->slice->getRefPic( eRefPicList, iRefIdx ), mv, pcYuvPred, bi, pu.cu->slice->clpRng( compID ) );
}
else
{
xPredInterBlk( compID, pu, pu.cu->slice->getRefPic( eRefPicList, iRefIdx ), mv[0], pcYuvPred, bi, pu.cu->slice->clpRng( compID )
#if JVET_L0256_BIO
,bioApplied
#endif
);
}
}
}
void InterPrediction::xPredInterBi(PredictionUnit& pu, PelUnitBuf &pcYuvPred)
{
const PPS &pps = *pu.cs->pps;
const Slice &slice = *pu.cs->slice;
#if JVET_L0256_BIO
bool bioApplied = false;
if (pu.cs->sps->getSpsNext().getUseBIO())
{
if (pu.cu->affine || m_subPuMC)
{
bioApplied = false;
}
else
{
const bool biocheck0 = !(pps.getWPBiPred() && slice.getSliceType() == B_SLICE);
const bool biocheck1 = !(pps.getUseWP() && slice.getSliceType() == P_SLICE);
if (biocheck0
&& biocheck1
&& PU::isBiPredFromDifferentDir(pu)
&& !(pu.Y().height == 4 || (pu.Y().width == 4 && pu.Y().height == 8))
)
{
bioApplied = true;
}
}
#if JVET_L0646_GBI
if (pu.cu->cs->sps->getSpsNext().getUseGBi() && bioApplied && pu.cu->GBiIdx != GBI_DEFAULT)
{
bioApplied = false;
}
#endif
}
#endif
for (uint32_t refList = 0; refList < NUM_REF_PIC_LIST_01; refList++)
{
if( pu.refIdx[refList] < 0)
{
continue;
}
RefPicList eRefPicList = (refList ? REF_PIC_LIST_1 : REF_PIC_LIST_0);
CHECK( pu.refIdx[refList] >= slice.getNumRefIdx( eRefPicList ), "Invalid reference index" );
m_iRefListIdx = refList;
PelUnitBuf pcMbBuf = ( pu.chromaFormat == CHROMA_400 ?
PelUnitBuf(pu.chromaFormat, PelBuf(m_acYuvPred[refList][0], pcYuvPred.Y())) :
PelUnitBuf(pu.chromaFormat, PelBuf(m_acYuvPred[refList][0], pcYuvPred.Y()), PelBuf(m_acYuvPred[refList][1], pcYuvPred.Cb()), PelBuf(m_acYuvPred[refList][2], pcYuvPred.Cr())) );
if (pu.refIdx[0] >= 0 && pu.refIdx[1] >= 0)
{
xPredInterUni ( pu, eRefPicList, pcMbBuf, true
#if JVET_L0256_BIO
,bioApplied
#endif
);
}
else
{
if( ( (pps.getUseWP() && slice.getSliceType() == P_SLICE) || (pps.getWPBiPred() && slice.getSliceType() == B_SLICE) ) )
{
xPredInterUni ( pu, eRefPicList, pcMbBuf, true );
}
else
{
xPredInterUni ( pu, eRefPicList, pcMbBuf, false );
}
}
}
CPelUnitBuf srcPred0 = ( pu.chromaFormat == CHROMA_400 ?
CPelUnitBuf(pu.chromaFormat, PelBuf(m_acYuvPred[0][0], pcYuvPred.Y())) :
CPelUnitBuf(pu.chromaFormat, PelBuf(m_acYuvPred[0][0], pcYuvPred.Y()), PelBuf(m_acYuvPred[0][1], pcYuvPred.Cb()), PelBuf(m_acYuvPred[0][2], pcYuvPred.Cr())) );
CPelUnitBuf srcPred1 = ( pu.chromaFormat == CHROMA_400 ?
CPelUnitBuf(pu.chromaFormat, PelBuf(m_acYuvPred[1][0], pcYuvPred.Y())) :
CPelUnitBuf(pu.chromaFormat, PelBuf(m_acYuvPred[1][0], pcYuvPred.Y()), PelBuf(m_acYuvPred[1][1], pcYuvPred.Cb()), PelBuf(m_acYuvPred[1][2], pcYuvPred.Cr())) );
if( pps.getWPBiPred() && slice.getSliceType() == B_SLICE )
{
xWeightedPredictionBi( pu, srcPred0, srcPred1, pcYuvPred, m_maxCompIDToPred );
}
else if( pps.getUseWP() && slice.getSliceType() == P_SLICE )
{
xWeightedPredictionUni( pu, srcPred0, REF_PIC_LIST_0, pcYuvPred, -1, m_maxCompIDToPred );
}
else
{
#if JVET_L0256_BIO
xWeightedAverage( pu, srcPred0, srcPred1, pcYuvPred, slice.getSPS()->getBitDepths(), slice.clpRngs(), bioApplied );
#else
xWeightedAverage( pu, srcPred0, srcPred1, pcYuvPred, slice.getSPS()->getBitDepths(), slice.clpRngs() );
#endif
}
}
void InterPrediction::xPredInterBlk ( const ComponentID& compID, const PredictionUnit& pu, const Picture* refPic, const Mv& _mv, PelUnitBuf& dstPic, const bool& bi, const ClpRng& clpRng
#if JVET_L0256_BIO
,const bool& bioApplied /*=false*/
#endif
)
{
JVET_J0090_SET_REF_PICTURE( refPic, compID );
const ChromaFormat chFmt = pu.chromaFormat;
const bool rndRes = !bi;
int iAddPrecShift = 0;
#if !REMOVE_MV_ADAPT_PREC
if (_mv.highPrec)
{
CHECKD(!pu.cs->sps->getSpsNext().getUseHighPrecMv(), "Found a high-precision motion vector, but the high-precision MV extension is disabled!");
#endif
iAddPrecShift = VCEG_AZ07_MV_ADD_PRECISION_BIT_FOR_STORE;
#if !REMOVE_MV_ADAPT_PREC
}
#endif
int shiftHor = 2 + iAddPrecShift + ::getComponentScaleX(compID, chFmt);
int shiftVer = 2 + iAddPrecShift + ::getComponentScaleY(compID, chFmt);
int xFrac = _mv.hor & ((1 << shiftHor) - 1);
int yFrac = _mv.ver & ((1 << shiftVer) - 1);
xFrac <<= VCEG_AZ07_MV_ADD_PRECISION_BIT_FOR_STORE - iAddPrecShift;
yFrac <<= VCEG_AZ07_MV_ADD_PRECISION_BIT_FOR_STORE - iAddPrecShift;
#if !REMOVE_MV_ADAPT_PREC
CHECKD(!pu.cs->sps->getSpsNext().getUseHighPrecMv() && ((xFrac & 3) != 0), "Invalid fraction");
CHECKD(!pu.cs->sps->getSpsNext().getUseHighPrecMv() && ((yFrac & 3) != 0), "Invalid fraction");
#endif
PelBuf &dstBuf = dstPic.bufs[compID];
unsigned width = dstBuf.width;
unsigned height = dstBuf.height;
CPelBuf refBuf;
{
Position offset = pu.blocks[compID].pos().offset( _mv.getHor() >> shiftHor, _mv.getVer() >> shiftVer );
refBuf = refPic->getRecoBuf( CompArea( compID, chFmt, offset, pu.blocks[compID].size() ) );
}
#if JVET_L0256_BIO
// backup data
int backupWidth = width;
int backupHeight = height;
Pel *backupDstBufPtr = dstBuf.buf;
int backupDstBufStride = dstBuf.stride;
if (bioApplied && compID == COMPONENT_Y)
{
width = width + 2 * BIO_EXTEND_SIZE + 2;
height = height + 2 * BIO_EXTEND_SIZE + 2;
// change MC output
dstBuf.stride = width;
dstBuf.buf = m_filteredBlockTmp[2 + m_iRefListIdx][compID] + 2 * dstBuf.stride + 2;
}
#endif
if( yFrac == 0 )
{
#if JVET_L0256_BIO
m_if.filterHor(compID, (Pel*)refBuf.buf, refBuf.stride, dstBuf.buf, dstBuf.stride, backupWidth, backupHeight, xFrac, rndRes, chFmt, clpRng);
#else
m_if.filterHor(compID, (Pel*) refBuf.buf, refBuf.stride, dstBuf.buf, dstBuf.stride, width, height, xFrac, rndRes, chFmt, clpRng);
#endif
}
else if( xFrac == 0 )
{
#if JVET_L0256_BIO
m_if.filterVer(compID, (Pel*)refBuf.buf, refBuf.stride, dstBuf.buf, dstBuf.stride, backupWidth, backupHeight, yFrac, true, rndRes, chFmt, clpRng);
#else
m_if.filterVer(compID, (Pel*) refBuf.buf, refBuf.stride, dstBuf.buf, dstBuf.stride, width, height, yFrac, true, rndRes, chFmt, clpRng);
#endif
}
else
{
PelBuf tmpBuf = PelBuf(m_filteredBlockTmp[0][compID], pu.blocks[compID]);
#if JVET_L0256_BIO
tmpBuf.stride = dstBuf.stride;
#endif
int vFilterSize = isLuma(compID) ? NTAPS_LUMA : NTAPS_CHROMA;
#if JVET_L0256_BIO
m_if.filterHor(compID, (Pel*)refBuf.buf - ((vFilterSize >> 1) - 1) * refBuf.stride, refBuf.stride, tmpBuf.buf, tmpBuf.stride, backupWidth, backupHeight + vFilterSize - 1, xFrac, false, chFmt, clpRng);
#else
m_if.filterHor(compID, (Pel*) refBuf.buf - ((vFilterSize >> 1) - 1) * refBuf.stride, refBuf.stride, tmpBuf.buf, tmpBuf.stride, width, height + vFilterSize - 1, xFrac, false, chFmt, clpRng);
#endif
JVET_J0090_SET_CACHE_ENABLE( false );
#if JVET_L0256_BIO
m_if.filterVer(compID, (Pel*)tmpBuf.buf + ((vFilterSize >> 1) - 1) * tmpBuf.stride, tmpBuf.stride, dstBuf.buf, dstBuf.stride, backupWidth, backupHeight, yFrac, false, rndRes, chFmt, clpRng);
#else
m_if.filterVer(compID, (Pel*) tmpBuf.buf + ((vFilterSize >> 1) - 1) * tmpBuf.stride, tmpBuf.stride, dstBuf.buf, dstBuf.stride, width, height, yFrac, false, rndRes, chFmt, clpRng);
#endif
JVET_J0090_SET_CACHE_ENABLE( true );
}
#if JVET_L0256_BIO
if (bioApplied && compID == COMPONENT_Y)
{
refBuf.buf = refBuf.buf - refBuf.stride - 1;
dstBuf.buf = m_filteredBlockTmp[2 + m_iRefListIdx][compID] + dstBuf.stride + 1;
bioSampleExtendBilinearFilter(refBuf.buf, refBuf.stride, dstBuf.buf, dstBuf.stride, width - 2, height - 2, 1, xFrac, yFrac, rndRes, chFmt, clpRng);
// restore data
width = backupWidth;
height = backupHeight;
dstBuf.buf = backupDstBufPtr;
dstBuf.stride = backupDstBufStride;
}
#endif
}
void InterPrediction::xPredAffineBlk( const ComponentID& compID, const PredictionUnit& pu, const Picture* refPic, const Mv* _mv, PelUnitBuf& dstPic, const bool& bi, const ClpRng& clpRng )
{
if ( (pu.cu->affineType == AFFINEMODEL_6PARAM && _mv[0] == _mv[1] && _mv[0] == _mv[2])
|| (pu.cu->affineType == AFFINEMODEL_4PARAM && _mv[0] == _mv[1])
)
{
Mv mvTemp = _mv[0];
clipMv( mvTemp, pu.cu->lumaPos(), *pu.cs->sps );
xPredInterBlk( compID, pu, refPic, mvTemp, dstPic, bi, clpRng );
return;
}
JVET_J0090_SET_REF_PICTURE( refPic, compID );
const ChromaFormat chFmt = pu.chromaFormat;
int iScaleX = ::getComponentScaleX( compID, chFmt );
int iScaleY = ::getComponentScaleY( compID, chFmt );
Mv mvLT =_mv[0];
Mv mvRT =_mv[1];
Mv mvLB =_mv[2];
#if !REMOVE_MV_ADAPT_PREC
mvLT.setHighPrec();
mvRT.setHighPrec();
mvLB.setHighPrec();
#endif
// get affine sub-block width and height
const int width = pu.Y().width;
const int height = pu.Y().height;
int blockWidth = AFFINE_MIN_BLOCK_SIZE;
int blockHeight = AFFINE_MIN_BLOCK_SIZE;
blockWidth >>= iScaleX;
blockHeight >>= iScaleY;
#if JVET_L0265_AFF_MINIMUM4X4
blockWidth = std::max(blockWidth, AFFINE_MIN_BLOCK_SIZE);
blockHeight = std::max(blockHeight, AFFINE_MIN_BLOCK_SIZE);
CHECK(blockWidth > (width >> iScaleX ), "Sub Block width > Block width");
CHECK(blockHeight > (height >> iScaleX), "Sub Block height > Block height");
const int MVBUFFER_SIZE = MAX_CU_SIZE / MIN_PU_SIZE;
#endif
const int cxWidth = width >> iScaleX;
const int cxHeight = height >> iScaleY;
const int iHalfBW = blockWidth >> 1;
const int iHalfBH = blockHeight >> 1;
const int iBit = MAX_CU_DEPTH;
int iDMvHorX, iDMvHorY, iDMvVerX, iDMvVerY;
iDMvHorX = (mvRT - mvLT).getHor() << (iBit - g_aucLog2[cxWidth]);
iDMvHorY = (mvRT - mvLT).getVer() << (iBit - g_aucLog2[cxWidth]);
if ( pu.cu->affineType == AFFINEMODEL_6PARAM )
{
iDMvVerX = (mvLB - mvLT).getHor() << (iBit - g_aucLog2[cxHeight]);
iDMvVerY = (mvLB - mvLT).getVer() << (iBit - g_aucLog2[cxHeight]);
}
else
{
iDMvVerX = -iDMvHorY;
iDMvVerY = iDMvHorX;
}
int iMvScaleHor = mvLT.getHor() << iBit;
int iMvScaleVer = mvLT.getVer() << iBit;
const SPS &sps = *pu.cs->sps;
const int iMvShift = 4;
const int iOffset = 8;
const int iHorMax = ( sps.getPicWidthInLumaSamples() + iOffset - pu.Y().x - 1 ) << iMvShift;
const int iHorMin = ( -(int)pu.cs->pcv->maxCUWidth - iOffset - (int)pu.Y().x + 1 ) << iMvShift;
const int iVerMax = ( sps.getPicHeightInLumaSamples() + iOffset - pu.Y().y - 1 ) << iMvShift;
const int iVerMin = ( -(int)pu.cs->pcv->maxCUHeight - iOffset - (int)pu.Y().y + 1 ) << iMvShift;
PelBuf tmpBuf = PelBuf(m_filteredBlockTmp[0][compID], pu.blocks[compID]);
const int vFilterSize = isLuma(compID) ? NTAPS_LUMA : NTAPS_CHROMA;
const int shift = iBit - 4 + VCEG_AZ07_MV_ADD_PRECISION_BIT_FOR_STORE + 2;
// get prediction block by block
for ( int h = 0; h < cxHeight; h += blockHeight )
{
for ( int w = 0; w < cxWidth; w += blockWidth )
{
#if JVET_L0265_AFF_MINIMUM4X4
int iMvScaleTmpHor, iMvScaleTmpVer;
if(compID == COMPONENT_Y)
{
iMvScaleTmpHor = iMvScaleHor + iDMvHorX * (iHalfBW + w) + iDMvVerX * (iHalfBH + h);
iMvScaleTmpVer = iMvScaleVer + iDMvHorY * (iHalfBW + w) + iDMvVerY * (iHalfBH + h);
roundAffineMv(iMvScaleTmpHor, iMvScaleTmpVer, shift);
// clip and scale
iMvScaleTmpHor = std::min<int>(iHorMax, std::max<int>(iHorMin, iMvScaleTmpHor));
iMvScaleTmpVer = std::min<int>(iVerMax, std::max<int>(iVerMin, iMvScaleTmpVer));
m_storedMv[h / AFFINE_MIN_BLOCK_SIZE * MVBUFFER_SIZE + w / AFFINE_MIN_BLOCK_SIZE].set(iMvScaleTmpHor, iMvScaleTmpVer);
}
else
{
Mv curMv = (m_storedMv[((h << iScaleY) / AFFINE_MIN_BLOCK_SIZE) * MVBUFFER_SIZE + ((w << iScaleX) / AFFINE_MIN_BLOCK_SIZE)] +
m_storedMv[((h << iScaleY) / AFFINE_MIN_BLOCK_SIZE + 1)* MVBUFFER_SIZE + ((w << iScaleX) / AFFINE_MIN_BLOCK_SIZE)] +
m_storedMv[((h << iScaleY) / AFFINE_MIN_BLOCK_SIZE)* MVBUFFER_SIZE + ((w << iScaleX) / AFFINE_MIN_BLOCK_SIZE + 1)] +
m_storedMv[((h << iScaleY) / AFFINE_MIN_BLOCK_SIZE + 1)* MVBUFFER_SIZE + ((w << iScaleX) / AFFINE_MIN_BLOCK_SIZE + 1)] +
Mv(2, 2));
curMv.set(curMv.getHor() >> 2, curMv.getVer() >> 2);
iMvScaleTmpHor = curMv.hor;
iMvScaleTmpVer = curMv.ver;
}
#else
int iMvScaleTmpHor = iMvScaleHor + iDMvHorX * (iHalfBW + w) + iDMvVerX * (iHalfBH + h);
int iMvScaleTmpVer = iMvScaleVer + iDMvHorY * (iHalfBW + w) + iDMvVerY * (iHalfBH + h);
roundAffineMv( iMvScaleTmpHor, iMvScaleTmpVer, shift );
// clip and scale
iMvScaleTmpHor = std::min<int>( iHorMax, std::max<int>( iHorMin, iMvScaleTmpHor ) );
iMvScaleTmpVer = std::min<int>( iVerMax, std::max<int>( iVerMin, iMvScaleTmpVer ) );
#endif
// get the MV in high precision
int xFrac, yFrac, xInt, yInt;
if (!iScaleX)
{
xInt = iMvScaleTmpHor >> 4;
xFrac = iMvScaleTmpHor & 15;
}
else
{
xInt = iMvScaleTmpHor >> 5;
xFrac = iMvScaleTmpHor & 31;
}
if (!iScaleY)
{
yInt = iMvScaleTmpVer >> 4;
yFrac = iMvScaleTmpVer & 15;
}
else
{
yInt = iMvScaleTmpVer >> 5;
yFrac = iMvScaleTmpVer & 31;
}
const CPelBuf refBuf = refPic->getRecoBuf( CompArea( compID, chFmt, pu.blocks[compID].offset(xInt + w, yInt + h), pu.blocks[compID] ) );
PelBuf &dstBuf = dstPic.bufs[compID];
if ( yFrac == 0 )
{
m_if.filterHor( compID, (Pel*) refBuf.buf, refBuf.stride, dstBuf.buf + w + h * dstBuf.stride, dstBuf.stride, blockWidth, blockHeight, xFrac, !bi, chFmt, clpRng );
}
else if ( xFrac == 0 )
{
m_if.filterVer( compID, (Pel*) refBuf.buf, refBuf.stride, dstBuf.buf + w + h * dstBuf.stride, dstBuf.stride, blockWidth, blockHeight, yFrac, true, !bi, chFmt, clpRng );
}
else
{
m_if.filterHor( compID, (Pel*) refBuf.buf - ((vFilterSize>>1) -1)*refBuf.stride, refBuf.stride, tmpBuf.buf, tmpBuf.stride, blockWidth, blockHeight+vFilterSize-1, xFrac, false, chFmt, clpRng);
JVET_J0090_SET_CACHE_ENABLE( false );
m_if.filterVer( compID, tmpBuf.buf + ((vFilterSize>>1) -1)*tmpBuf.stride, tmpBuf.stride, dstBuf.buf + w + h * dstBuf.stride, dstBuf.stride, blockWidth, blockHeight, yFrac, false, !bi, chFmt, clpRng);
JVET_J0090_SET_CACHE_ENABLE( true );
}
}
}
}
int getMSB( unsigned x )
{
int msb = 0, bits = ( sizeof(int) << 3 ), y = 1;
while( x > 1u )
{
bits >>= 1;
y = x >> bits;
if( y )
{
x = y;
msb += bits;
}
}
msb += y;
return msb;
}
#if JVET_L0256_BIO
void InterPrediction::applyBiOptFlow(const PredictionUnit &pu, const CPelUnitBuf &yuvSrc0, const CPelUnitBuf &yuvSrc1, const int &refIdx0, const int &refIdx1, PelUnitBuf &yuvDst, const BitDepths &clipBitDepths)
{
const int height = yuvDst.Y().height;
const int width = yuvDst.Y().width;
int heightG = height + 2 * BIO_EXTEND_SIZE;
int widthG = width + 2 * BIO_EXTEND_SIZE;
int offsetPos = widthG*BIO_EXTEND_SIZE + BIO_EXTEND_SIZE;
Pel* gradX0 = m_gradX0;
Pel* gradX1 = m_gradX1;
Pel* gradY0 = m_gradY0;
Pel* gradY1 = m_gradY1;
int stridePredMC = widthG + 2;
const Pel* srcY0 = m_filteredBlockTmp[2][COMPONENT_Y] + stridePredMC + 1;
const Pel* srcY1 = m_filteredBlockTmp[3][COMPONENT_Y] + stridePredMC + 1;
const int src0Stride = stridePredMC;
const int src1Stride = stridePredMC;
Pel* dstY = yuvDst.Y().buf;
const int dstStride = yuvDst.Y().stride;
const Pel* srcY0Temp = srcY0;
const Pel* srcY1Temp = srcY1;
for (int refList = 0; refList < NUM_REF_PIC_LIST_01; refList++)
{
Pel* dstTempPtr = m_filteredBlockTmp[2 + refList][COMPONENT_Y] + stridePredMC + 1;
Pel* gradY = (refList == 0) ? m_gradY0 : m_gradY1;
Pel* gradX = (refList == 0) ? m_gradX0 : m_gradX1;
g_pelBufOP.bioGradFilter(dstTempPtr, stridePredMC, widthG, heightG, widthG, gradX, gradY);
Pel* padStr = m_filteredBlockTmp[2 + refList][COMPONENT_Y] + 2 * stridePredMC + 2;
for (int y = 0; y< height; y++)
{
padStr[-1] = padStr[0];
padStr[width] = padStr[width - 1];
padStr += stridePredMC;
}
padStr = m_filteredBlockTmp[2 + refList][COMPONENT_Y] + 2 * stridePredMC + 1;
::memcpy(padStr - stridePredMC, padStr, sizeof(Pel)*(widthG));
::memcpy(padStr + height*stridePredMC, padStr + (height - 1)*stridePredMC, sizeof(Pel)*(widthG));
}
const ClpRng& clpRng = pu.cu->cs->slice->clpRng(COMPONENT_Y);
const int bitDepth = clipBitDepths.recon[toChannelType(COMPONENT_Y)];
const int shiftNum = IF_INTERNAL_PREC + 1 - bitDepth;
const int offset = (1 << (shiftNum - 1)) + 2 * IF_INTERNAL_OFFS;
const int limit = ((int)1 << (4 + IF_INTERNAL_PREC - bitDepth - 5));
int* dotProductTemp1 = m_dotProduct1;
int* dotProductTemp2 = m_dotProduct2;
int* dotProductTemp3 = m_dotProduct3;
int* dotProductTemp5 = m_dotProduct5;
int* dotProductTemp6 = m_dotProduct6;
g_pelBufOP.calcBIOPar(srcY0Temp, srcY1Temp, gradX0, gradX1, gradY0, gradY1, dotProductTemp1, dotProductTemp2, dotProductTemp3, dotProductTemp5, dotProductTemp6, src0Stride, src1Stride, widthG, widthG, heightG);
int xUnit = (width >> 2);
int yUnit = (height >> 2);
Pel *dstY0 = dstY;
gradX0 = m_gradX0; gradX1 = m_gradX1;
gradY0 = m_gradY0; gradY1 = m_gradY1;
for (int yu = 0; yu < yUnit; yu++)
{
for (int xu = 0; xu < xUnit; xu++)
{
if (m_bioPredSubBlkDist[yu*xUnit + xu] < m_bioSubBlkDistThres)
{
srcY0Temp = srcY0 + (stridePredMC + 1) + ((yu*src0Stride + xu) << 2);
srcY1Temp = srcY1 + (stridePredMC + 1) + ((yu*src1Stride + xu) << 2);
dstY0 = dstY + ((yu*dstStride + xu) << 2);
g_pelBufOP.addAvg4(srcY0Temp, src0Stride, srcY1Temp, src1Stride, dstY0, dstStride, (1 << 2), (1 << 2), shiftNum, offset, clpRng);
continue;
}
int sGxdI = 0, sGydI = 0, sGxGy = 0, sGx2 = 0, sGy2 = 0;
int tmpx = 0, tmpy = 0;
dotProductTemp1 = m_dotProduct1 + offsetPos + ((yu*widthG + xu) << 2);
dotProductTemp2 = m_dotProduct2 + offsetPos + ((yu*widthG + xu) << 2);
dotProductTemp3 = m_dotProduct3 + offsetPos + ((yu*widthG + xu) << 2);
dotProductTemp5 = m_dotProduct5 + offsetPos + ((yu*widthG + xu) << 2);
dotProductTemp6 = m_dotProduct6 + offsetPos + ((yu*widthG + xu) << 2);
g_pelBufOP.calcBlkGradient(xu << 2, yu << 2, dotProductTemp1, dotProductTemp2, dotProductTemp3, dotProductTemp5, dotProductTemp6, sGx2, sGy2, sGxGy, sGxdI, sGydI, widthG, heightG, (1 << 2));
if (sGx2 > 0)
{
tmpx = rightShiftMSB(sGxdI << 3, sGx2);
tmpx = Clip3(-limit, limit, tmpx);
}
if (sGy2 > 0)
{
int mainsGxGy = sGxGy >> 12;
int secsGxGy = sGxGy & ((1 << 12) - 1);
int tmpData = tmpx * mainsGxGy;
tmpData = ((tmpData << 12) + tmpx*secsGxGy) >> 1;
tmpy = rightShiftMSB(((sGydI << 3) - tmpData), sGy2);
tmpy = Clip3(-limit, limit, tmpy);
}
srcY0Temp = srcY0 + (stridePredMC + 1) + ((yu*src0Stride + xu) << 2);
srcY1Temp = srcY1 + (stridePredMC + 1) + ((yu*src0Stride + xu) << 2);
gradX0 = m_gradX0 + offsetPos + ((yu*widthG + xu) << 2);
gradX1 = m_gradX1 + offsetPos + ((yu*widthG + xu) << 2);
gradY0 = m_gradY0 + offsetPos + ((yu*widthG + xu) << 2);
gradY1 = m_gradY1 + offsetPos + ((yu*widthG + xu) << 2);
dstY0 = dstY + ((yu*dstStride + xu) << 2);
g_pelBufOP.addBIOAvg4(srcY0Temp, src0Stride, srcY1Temp, src1Stride, dstY0, dstStride, gradX0, gradX1, gradY0, gradY1, widthG, (1 << 2), (1 << 2), (int)tmpx, (int)tmpy, shiftNum, offset, clpRng);
} // xu
} // yu
}
void InterPrediction::bioSampleExtendBilinearFilter(Pel const* src, int srcStride, Pel *dst, int dstStride, int width, int height, int dim, int fracX, int fracY, bool isLast, const ChromaFormat fmt, const ClpRng& clpRng)
{
Pel const* pSrc = NULL;
Pel* pDst = NULL;
int vFilterSize = NTAPS_LUMA;
int widthTmp = 0;
int heightTmp = 0;
for (int cand = 0; cand < 4; cand++) // top, left, bottom and right
{
if (cand == 0) // top
{
pSrc = src;
pDst = dst;
widthTmp = width;
heightTmp = dim;
}
else if (cand == 1) // left
{
pSrc = src + dim*srcStride;
pDst = dst + dim*dstStride;
widthTmp = dim;
heightTmp = height - 2 * dim;
}
else if (cand == 2) // bottom
{
pSrc = src + (height - dim)*srcStride;
pDst = dst + (height - dim)*dstStride;
widthTmp = width;
heightTmp = dim;
}
else if (cand == 3) // right
{
pSrc = src + dim*srcStride + width - dim;
pDst = dst + dim*dstStride + width - dim;
widthTmp = dim;
heightTmp = height - 2 * dim;
}
if (fracY == 0)
{
m_if.filterHor(COMPONENT_Y, pSrc, srcStride, pDst, dstStride, widthTmp, heightTmp, fracX, isLast, fmt, clpRng, 1);
}
else if (fracX == 0)
{
m_if.filterVer(COMPONENT_Y, pSrc, srcStride, pDst, dstStride, widthTmp, heightTmp, fracY, true, isLast, fmt, clpRng, 1);
}
else
{
PelBuf tmpBuf = PelBuf(m_filteredBlockTmp[0][COMPONENT_Y], Size(width, height));
tmpBuf.stride = width;
m_if.filterHor(COMPONENT_Y, pSrc - ((vFilterSize >> 1) - 1) * srcStride, srcStride, tmpBuf.buf, tmpBuf.stride, widthTmp, heightTmp + vFilterSize - 1, fracX, false, fmt, clpRng, 1);
m_if.filterVer(COMPONENT_Y, tmpBuf.buf + ((vFilterSize >> 1) - 1) * tmpBuf.stride, tmpBuf.stride, pDst, dstStride, widthTmp, heightTmp, fracY, false, isLast, fmt, clpRng, 1);
}
}
}
bool InterPrediction::xCalcBiPredSubBlkDist(const PredictionUnit &pu, const Pel* pYuvSrc0, const int src0Stride, const Pel* pYuvSrc1, const int src1Stride, const BitDepths &clipBitDepths)
{
const int width = pu.lwidth();
const int height = pu.lheight();
const int clipbd = clipBitDepths.recon[toChannelType(COMPONENT_Y)];
const uint32_t distortionShift = DISTORTION_PRECISION_ADJUSTMENT(clipbd);
const int shift = std::max<int>(2, (IF_INTERNAL_PREC - clipbd));
const int xUnit = (width >> 2);
const int yUnit = (height >> 2);
m_bioDistThres = (shift <= 5) ? (((32 << (clipbd - 8))*width*height) >> (5 - shift)) : (((32 << (clipbd - 8))*width*height) << (shift - 5));
m_bioSubBlkDistThres = (shift <= 5) ? (((64 << (clipbd - 8)) << 4) >> (5 - shift)) : (((64 << (clipbd - 8)) << 4) << (shift - 5));
m_bioDistThres >>= distortionShift;
m_bioSubBlkDistThres >>= distortionShift;
DistParam cDistParam;
Distortion dist = 0;
for (int yu = 0, blkIdx = 0; yu < yUnit; yu++)
{
for (int xu = 0; xu < xUnit; xu++, blkIdx++)
{
const Pel* pPred0 = pYuvSrc0 + ((yu*src0Stride + xu) << 2);
const Pel* pPred1 = pYuvSrc1 + ((yu*src1Stride + xu) << 2);
m_pcRdCost->setDistParam(cDistParam, pPred0, pPred1, src0Stride, src1Stride, clipbd, COMPONENT_Y, (1 << 2), (1 << 2), 0, 1, false, true);
m_bioPredSubBlkDist[blkIdx] = cDistParam.distFunc(cDistParam);
dist += m_bioPredSubBlkDist[blkIdx];
}
}
return (dist >= m_bioDistThres);
}
#endif
#if JVET_L0256_BIO
void InterPrediction::xWeightedAverage(const PredictionUnit& pu, const CPelUnitBuf& pcYuvSrc0, const CPelUnitBuf& pcYuvSrc1, PelUnitBuf& pcYuvDst, const BitDepths& clipBitDepths, const ClpRngs& clpRngs, const bool& bioApplied )
#else
void InterPrediction::xWeightedAverage( const PredictionUnit& pu, const CPelUnitBuf& pcYuvSrc0, const CPelUnitBuf& pcYuvSrc1, PelUnitBuf& pcYuvDst, const BitDepths& clipBitDepths, const ClpRngs& clpRngs )
#endif
{
const int iRefIdx0 = pu.refIdx[0];
const int iRefIdx1 = pu.refIdx[1];
if( iRefIdx0 >= 0 && iRefIdx1 >= 0 )
{
#if JVET_L0646_GBI
if( pu.cu->GBiIdx != GBI_DEFAULT )
{
#if JVET_L0256_BIO
CHECK(bioApplied, "GBi is disallowed with BIO");
#endif
pcYuvDst.addWeightedAvg(pcYuvSrc0, pcYuvSrc1, clpRngs, pu.cu->GBiIdx);
return;
}
#endif
#if JVET_L0256_BIO
if (bioApplied)
{
const int src0Stride = pu.lwidth() + 2 * BIO_EXTEND_SIZE + 2;
const int src1Stride = pu.lwidth() + 2 * BIO_EXTEND_SIZE + 2;
const Pel* pSrcY0 = m_filteredBlockTmp[2][COMPONENT_Y] + 2 * src0Stride + 2;
const Pel* pSrcY1 = m_filteredBlockTmp[3][COMPONENT_Y] + 2 * src1Stride + 2;
bool bioEnabled = xCalcBiPredSubBlkDist(pu, pSrcY0, src0Stride, pSrcY1, src1Stride, clipBitDepths);
if (bioEnabled)
{
applyBiOptFlow(pu, pcYuvSrc0, pcYuvSrc1, iRefIdx0, iRefIdx1, pcYuvDst, clipBitDepths);
}
else
{
pcYuvDst.bufs[0].addAvg(CPelBuf(pSrcY0, src0Stride, pu.lumaSize()), CPelBuf(pSrcY1, src1Stride, pu.lumaSize()), clpRngs.comp[0]);
}
}
pcYuvDst.addAvg(pcYuvSrc0, pcYuvSrc1, clpRngs, bioApplied);
#else
pcYuvDst.addAvg( pcYuvSrc0, pcYuvSrc1, clpRngs );
#endif
}
else if( iRefIdx0 >= 0 && iRefIdx1 < 0 )
{
pcYuvDst.copyClip( pcYuvSrc0, clpRngs );
}
else if( iRefIdx0 < 0 && iRefIdx1 >= 0 )
{
pcYuvDst.copyClip( pcYuvSrc1, clpRngs );
}
}
void InterPrediction::motionCompensation( PredictionUnit &pu, PelUnitBuf &predBuf, const RefPicList &eRefPicList
)
{
CodingStructure &cs = *pu.cs;
const PPS &pps = *cs.pps;
const SliceType sliceType = cs.slice->getSliceType();
if( eRefPicList != REF_PIC_LIST_X )
{
if( ( ( sliceType == P_SLICE && pps.getUseWP() ) || ( sliceType == B_SLICE && pps.getWPBiPred() ) ) )
{
xPredInterUni ( pu, eRefPicList, predBuf, true );
xWeightedPredictionUni( pu, predBuf, eRefPicList, predBuf, -1, m_maxCompIDToPred );
}
else
{
xPredInterUni( pu, eRefPicList, predBuf, false );
}
}
else
{
if( pu.mergeType != MRG_TYPE_DEFAULT_N )
{
xSubPuMC( pu, predBuf, eRefPicList );
}
else if( xCheckIdenticalMotion( pu ) )
{
xPredInterUni( pu, REF_PIC_LIST_0, predBuf, false );
}
else
{
xPredInterBi( pu, predBuf );
}
}
return;
}
void InterPrediction::motionCompensation( CodingUnit &cu, const RefPicList &eRefPicList
)
{
for( auto &pu : CU::traversePUs( cu ) )
{
PelUnitBuf predBuf = cu.cs->getPredBuf( pu );
motionCompensation( pu, predBuf, eRefPicList );
}
}
void InterPrediction::motionCompensation( PredictionUnit &pu, const RefPicList &eRefPicList /*= REF_PIC_LIST_X*/
)
{
PelUnitBuf predBuf = pu.cs->getPredBuf( pu );
motionCompensation( pu, predBuf, eRefPicList
);
}
#if JVET_L0256_BIO
int InterPrediction::rightShiftMSB(int numer, int denom)
{
int d;
int msbIdx = 0;
for (msbIdx = 0; msbIdx<32; msbIdx++)
{
if (denom < ((int)1 << msbIdx))
{
break;
}
}
int shiftIdx = msbIdx - 1;
d = (numer >> shiftIdx);
return d;
}
#endif
#if JVET_J0090_MEMORY_BANDWITH_MEASURE
void InterPrediction::cacheAssign( CacheModel *cache )
{
m_cacheModel = cache;
m_if.cacheAssign( cache );
m_if.initInterpolationFilter( !cache->isCacheEnable() );
}
#endif
//! \}