Unit.cpp 21.54 KiB
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/** \file Unit.cpp
* \brief defines unit as a set of blocks and basic unit types (coding, prediction, transform)
*/
#include "Unit.h"
#include "Buffer.h"
#include "Picture.h"
#include "ChromaFormat.h"
#include "UnitTools.h"
#include "UnitPartitioner.h"
#include "ChromaFormat.h"
// ---------------------------------------------------------------------------
// block method definitions
// ---------------------------------------------------------------------------
void CompArea::xRecalcLumaToChroma()
{
const uint32_t csx = getComponentScaleX(compID, chromaFormat);
const uint32_t csy = getComponentScaleY(compID, chromaFormat);
x >>= csx;
y >>= csy;
width >>= csx;
height >>= csy;
}
Position CompArea::chromaPos() const
{
if (isLuma(compID))
{
uint32_t scaleX = getComponentScaleX(compID, chromaFormat);
uint32_t scaleY = getComponentScaleY(compID, chromaFormat);
return Position(x >> scaleX, y >> scaleY);
}
else
{
return *this;
}
}
Size CompArea::lumaSize() const
{
if( isChroma( compID ) )
{
uint32_t scaleX = getComponentScaleX( compID, chromaFormat );
uint32_t scaleY = getComponentScaleY( compID, chromaFormat );
return Size( width << scaleX, height << scaleY );
}
else
{
return *this;
}
}
Size CompArea::chromaSize() const
{
if( isLuma( compID ) )
{
uint32_t scaleX = getComponentScaleX( compID, chromaFormat );
uint32_t scaleY = getComponentScaleY( compID, chromaFormat );
return Size( width >> scaleX, height >> scaleY );
}
else
{
return *this;
}
}
Position CompArea::lumaPos() const
{
if( isChroma( compID ) )
{
uint32_t scaleX = getComponentScaleX( compID, chromaFormat );
uint32_t scaleY = getComponentScaleY( compID, chromaFormat );
return Position( x << scaleX, y << scaleY );
}
else
{
return *this;
}
}
Position CompArea::compPos( const ComponentID compID ) const
{
return isLuma( compID ) ? lumaPos() : chromaPos();
}
Position CompArea::chanPos( const ChannelType chType ) const
{
return isLuma( chType ) ? lumaPos() : chromaPos();
}
// ---------------------------------------------------------------------------
// unit method definitions
// ---------------------------------------------------------------------------
UnitArea::UnitArea(const ChromaFormat _chromaFormat) : chromaFormat(_chromaFormat) { }
UnitArea::UnitArea(const ChromaFormat _chromaFormat, const Area &_area) : chromaFormat(_chromaFormat), blocks(getNumberValidComponents(_chromaFormat)){
const uint32_t numCh = getNumberValidComponents(chromaFormat);
for (uint32_t i = 0; i < numCh; i++)
{
blocks[i] = CompArea(ComponentID(i), chromaFormat, _area, true);
}
}
UnitArea::UnitArea(const ChromaFormat _chromaFormat, const CompArea &blkY) : chromaFormat(_chromaFormat), blocks { blkY } {}
UnitArea::UnitArea(const ChromaFormat _chromaFormat, CompArea &&blkY) : chromaFormat(_chromaFormat), blocks { std::forward<CompArea>(blkY) } {}
UnitArea::UnitArea(const ChromaFormat _chromaFormat, const CompArea &blkY, const CompArea &blkCb, const CompArea &blkCr) : chromaFormat(_chromaFormat), blocks { blkY, blkCb, blkCr } {}
UnitArea::UnitArea(const ChromaFormat _chromaFormat, CompArea &&blkY, CompArea &&blkCb, CompArea &&blkCr) : chromaFormat(_chromaFormat), blocks { std::forward<CompArea>(blkY), std::forward<CompArea>(blkCb), std::forward<CompArea>(blkCr) } {}
bool UnitArea::contains(const UnitArea& other) const
{
bool ret = true;
bool any = false;
for( const auto &blk : other.blocks )
{
if( blk.valid() && blocks[blk.compID].valid() )
{
ret &= blocks[blk.compID].contains( blk );
any = true;
}
}
return any && ret;
}
bool UnitArea::contains( const UnitArea& other, const ChannelType chType ) const
{
bool ret = true;
bool any = false;
for( const auto &blk : other.blocks )
{
if( toChannelType( blk.compID ) == chType && blk.valid() && blocks[blk.compID].valid() )
{
ret &= blocks[blk.compID].contains( blk );
any = true;
}
}
return any && ret;
}
#if REUSE_CU_RESULTS_WITH_MULTIPLE_TUS
void UnitArea::resizeTo( const UnitArea& unitArea )
{
for( uint32_t i = 0; i < blocks.size(); i++ )
{
blocks[i].resizeTo( unitArea.blocks[i] );
}
}
#endif
void UnitArea::repositionTo(const UnitArea& unitArea)
{
for(uint32_t i = 0; i < blocks.size(); i++)
{
blocks[i].repositionTo(unitArea.blocks[i]);
}
}
const UnitArea UnitArea::singleComp(const ComponentID compID) const{
UnitArea ret(chromaFormat);
for (const auto &blk : blocks)
{
if (blk.compID == compID)
{
ret.blocks.push_back(blk);
}
else
{
ret.blocks.push_back(CompArea());
}
}
return ret;
}
const UnitArea UnitArea::singleChan(const ChannelType chType) const
{
UnitArea ret(chromaFormat);
for (const auto &blk : blocks)
{
if (toChannelType(blk.compID) == chType)
{
ret.blocks.push_back(blk);
}
else
{
ret.blocks.push_back(CompArea());
}
}
return ret;
}
// ---------------------------------------------------------------------------
// coding unit method definitions
// ---------------------------------------------------------------------------
CodingUnit::CodingUnit(const UnitArea &unit) : UnitArea(unit), cs(nullptr), slice(nullptr), chType( CH_L ), next(nullptr), firstPU(nullptr), lastPU(nullptr), firstTU(nullptr), lastTU(nullptr) { initData(); }
CodingUnit::CodingUnit(const ChromaFormat _chromaFormat, const Area &_area) : UnitArea(_chromaFormat, _area), cs(nullptr), slice(nullptr), chType( CH_L ), next(nullptr), firstPU(nullptr), lastPU(nullptr), firstTU(nullptr), lastTU(nullptr) { initData(); }
CodingUnit& CodingUnit::operator=( const CodingUnit& other )
{
slice = other.slice;
predMode = other.predMode;
qtDepth = other.qtDepth;
depth = other.depth;
btDepth = other.btDepth;
mtDepth = other.mtDepth;
splitSeries = other.splitSeries;
skip = other.skip;
mmvdSkip = other.mmvdSkip;
affine = other.affine;
affineType = other.affineType;
triangle = other.triangle;
transQuantBypass = other.transQuantBypass;
ipcm = other.ipcm;
qp = other.qp;
chromaQpAdj = other.chromaQpAdj;
rootCbf = other.rootCbf;
#if JVET_M0140_SBT
sbtInfo = other.sbtInfo;
#endif
#if !JVET_M0464_UNI_MTS
emtFlag = other.emtFlag;
#endif
#if HEVC_TILES_WPP tileIdx = other.tileIdx;
#endif
imv = other.imv;
imvNumCand = other.imvNumCand;
GBiIdx = other.GBiIdx;
for (int i = 0; i<2; i++)
refIdxBi[i] = other.refIdxBi[i];
#if JVET_M0170_MRG_SHARELIST
shareParentPos = other.shareParentPos;
shareParentSize = other.shareParentSize;
#endif
#if JVET_M0483_IBC==0
ibc = other.ibc;
#endif
#if JVET_M0444_SMVD
smvdMode = other.smvdMode;
#endif
#if JVET_M0102_INTRA_SUBPARTITIONS
ispMode = other.ispMode;
#endif
return *this;
}
void CodingUnit::initData()
{
predMode = NUMBER_OF_PREDICTION_MODES;
qtDepth = 0;
depth = 0;
btDepth = 0;
mtDepth = 0;
splitSeries = 0;
skip = false;
mmvdSkip = false;
affine = false;
affineType = 0;
triangle = false;
transQuantBypass = false;
ipcm = false;
qp = 0;
chromaQpAdj = 0;
rootCbf = true;
#if JVET_M0140_SBT
sbtInfo = 0;
#endif
#if !JVET_M0464_UNI_MTS
emtFlag = 0;
#endif
#if HEVC_TILES_WPP
tileIdx = 0;
#endif
imv = 0;
imvNumCand = 0;
GBiIdx = GBI_DEFAULT;
for (int i = 0; i < 2; i++)
refIdxBi[i] = -1;
#if JVET_M0170_MRG_SHARELIST
shareParentPos = Position(-1, -1);
shareParentSize.width = -1;
shareParentSize.height = -1;
#endif
#if JVET_M0483_IBC==0
ibc = false;
#endif
#if JVET_M0444_SMVD
smvdMode = 0;
#endif
#if JVET_M0102_INTRA_SUBPARTITIONS
ispMode = 0;
#endif}
#if JVET_M0140_SBT
const uint8_t CodingUnit::checkAllowedSbt() const
{
if( !slice->getSPS()->getUseSBT() )
{
return 0;
}
//check on prediction mode
#if JVET_M0483_IBC
if( predMode == MODE_INTRA || predMode == MODE_IBC ) //intra or IBC
#else
if( predMode == MODE_INTRA || ibc ) //intra or IBC
#endif
{
return 0;
}
if( firstPU->mhIntraFlag )
{
return 0;
}
uint8_t sbtAllowed = 0;
int cuWidth = lwidth();
int cuHeight = lheight();
bool allow_type[NUMBER_SBT_IDX];
memset( allow_type, false, NUMBER_SBT_IDX * sizeof( bool ) );
//parameter
int maxSbtCUSize = cs->sps->getMaxSbtSize();
int minSbtCUSize = 1 << ( MIN_CU_LOG2 + 1 );
//check on size
if( cuWidth > maxSbtCUSize || cuHeight > maxSbtCUSize )
{
return 0;
}
allow_type[SBT_VER_HALF] = cuWidth >= minSbtCUSize;
allow_type[SBT_HOR_HALF] = cuHeight >= minSbtCUSize;
allow_type[SBT_VER_QUAD] = cuWidth >= ( minSbtCUSize << 1 );
allow_type[SBT_HOR_QUAD] = cuHeight >= ( minSbtCUSize << 1 );
for( int i = 0; i < NUMBER_SBT_IDX; i++ )
{
sbtAllowed += (uint8_t)allow_type[i] << i;
}
return sbtAllowed;
}
uint8_t CodingUnit::getSbtTuSplit() const
{
uint8_t sbtTuSplitType = 0;
switch( getSbtIdx() )
{
case SBT_VER_HALF: sbtTuSplitType = ( getSbtPos() == SBT_POS0 ? 0 : 1 ) + SBT_VER_HALF_POS0_SPLIT; break;
case SBT_HOR_HALF: sbtTuSplitType = ( getSbtPos() == SBT_POS0 ? 0 : 1 ) + SBT_HOR_HALF_POS0_SPLIT; break;
case SBT_VER_QUAD: sbtTuSplitType = ( getSbtPos() == SBT_POS0 ? 0 : 1 ) + SBT_VER_QUAD_POS0_SPLIT; break;
case SBT_HOR_QUAD: sbtTuSplitType = ( getSbtPos() == SBT_POS0 ? 0 : 1 ) + SBT_HOR_QUAD_POS0_SPLIT; break;
default: assert( 0 ); break;
}
assert( sbtTuSplitType <= SBT_HOR_QUAD_POS1_SPLIT && sbtTuSplitType >= SBT_VER_HALF_POS0_SPLIT );
return sbtTuSplitType;
}
#endif
// ---------------------------------------------------------------------------
// prediction unit method definitions
// ---------------------------------------------------------------------------
PredictionUnit::PredictionUnit(const UnitArea &unit) : UnitArea(unit) , cu(nullptr), cs(nullptr), chType( CH_L ), next(nullptr) { initData(); }
PredictionUnit::PredictionUnit(const ChromaFormat _chromaFormat, const Area &_area) : UnitArea(_chromaFormat, _area), cu(nullptr), cs(nullptr), chType( CH_L ), next(nullptr) { initData(); }
void PredictionUnit::initData()
{
// intra data - need this default initialization for PCM
intraDir[0] = DC_IDX;
intraDir[1] = PLANAR_IDX;
multiRefIdx = 0;
// inter data
mergeFlag = false;
mergeIdx = MAX_UCHAR;
#if JVET_M0883_TRIANGLE_SIGNALING
triangleSplitDir = MAX_UCHAR;
triangleMergeIdx0 = MAX_UCHAR;
triangleMergeIdx1 = MAX_UCHAR;
#endif
mmvdMergeFlag = false;
mmvdMergeIdx = MAX_UINT;
interDir = MAX_UCHAR;
mergeType = MRG_TYPE_DEFAULT_N;
bv.setZero();
bvd.setZero();
#if JVET_M0147_DMVR
mvRefine = false;
for (uint32_t i = 0; i < MAX_NUM_SUBCU_DMVR; i++)
{
mvdL0SubPu[i].setZero();
}
#endif
for (uint32_t i = 0; i < NUM_REF_PIC_LIST_01; i++)
{
mvpIdx[i] = MAX_UCHAR;
mvpNum[i] = MAX_UCHAR;
refIdx[i] = -1;
mv[i] .setZero();
mvd[i] .setZero();
for( uint32_t j = 0; j < 3; j++ )
{
mvdAffi[i][j].setZero();
}
for ( uint32_t j = 0; j < 3; j++ )
{
mvAffi[i][j].setZero();
}
}
mhIntraFlag = false;
#if JVET_M0170_MRG_SHARELIST
shareParentPos = Position(-1, -1);
shareParentSize.width = -1;
shareParentSize.height = -1;
#endif
#if JVET_M0823_MMVD_ENCOPT
mmvdEncOptMode = 0;
#endif
}
PredictionUnit& PredictionUnit::operator=(const IntraPredictionData& predData)
{
for (uint32_t i = 0; i < MAX_NUM_CHANNEL_TYPE; i++)
{
intraDir[i] = predData.intraDir[i];
}
multiRefIdx = predData.multiRefIdx;
return *this;
}
PredictionUnit& PredictionUnit::operator=(const InterPredictionData& predData)
{
mergeFlag = predData.mergeFlag;
mergeIdx = predData.mergeIdx;
#if JVET_M0883_TRIANGLE_SIGNALING
triangleSplitDir = predData.triangleSplitDir ;
triangleMergeIdx0 = predData.triangleMergeIdx0 ;
triangleMergeIdx1 = predData.triangleMergeIdx1 ;
#endif
mmvdMergeFlag = predData.mmvdMergeFlag;
mmvdMergeIdx = predData.mmvdMergeIdx;
interDir = predData.interDir;
mergeType = predData.mergeType;
bv = predData.bv;
bvd = predData.bvd;
#if JVET_M0147_DMVR
mvRefine = predData.mvRefine;
for (uint32_t i = 0; i < MAX_NUM_SUBCU_DMVR; i++)
{
mvdL0SubPu[i] = predData.mvdL0SubPu[i];
}
#endif
for (uint32_t i = 0; i < NUM_REF_PIC_LIST_01; i++)
{
mvpIdx[i] = predData.mvpIdx[i];
mvpNum[i] = predData.mvpNum[i];
mv[i] = predData.mv[i];
mvd[i] = predData.mvd[i];
refIdx[i] = predData.refIdx[i];
for( uint32_t j = 0; j < 3; j++ )
{
mvdAffi[i][j] = predData.mvdAffi[i][j];
}
for ( uint32_t j = 0; j < 3; j++ )
{
mvAffi[i][j] = predData.mvAffi[i][j];
}
}
mhIntraFlag = predData.mhIntraFlag;
#if JVET_M0170_MRG_SHARELIST
shareParentPos = predData.shareParentPos;
shareParentSize = predData.shareParentSize;
#endif
return *this;
}
PredictionUnit& PredictionUnit::operator=( const PredictionUnit& other )
{
for( uint32_t i = 0; i < MAX_NUM_CHANNEL_TYPE; i++ )
{
intraDir[ i ] = other.intraDir[ i ];
}
multiRefIdx = other.multiRefIdx;
mergeFlag = other.mergeFlag;
mergeIdx = other.mergeIdx;
#if JVET_M0883_TRIANGLE_SIGNALING
triangleSplitDir = other.triangleSplitDir ;
triangleMergeIdx0 = other.triangleMergeIdx0 ;
triangleMergeIdx1 = other.triangleMergeIdx1 ;
#endif
mmvdMergeFlag = other.mmvdMergeFlag;
mmvdMergeIdx = other.mmvdMergeIdx;
interDir = other.interDir;
mergeType = other.mergeType;
bv = other.bv; bvd = other.bvd;
#if JVET_M0147_DMVR
mvRefine = other.mvRefine;
for (uint32_t i = 0; i < MAX_NUM_SUBCU_DMVR; i++)
{
mvdL0SubPu[i] = other.mvdL0SubPu[i];
}
#endif
for (uint32_t i = 0; i < NUM_REF_PIC_LIST_01; i++)
{
mvpIdx[i] = other.mvpIdx[i];
mvpNum[i] = other.mvpNum[i];
mv[i] = other.mv[i];
mvd[i] = other.mvd[i];
refIdx[i] = other.refIdx[i];
for( uint32_t j = 0; j < 3; j++ )
{
mvdAffi[i][j] = other.mvdAffi[i][j];
}
for ( uint32_t j = 0; j < 3; j++ )
{
mvAffi[i][j] = other.mvAffi[i][j];
}
}
mhIntraFlag = other.mhIntraFlag;
#if JVET_M0170_MRG_SHARELIST
shareParentPos = other.shareParentPos;
shareParentSize = other.shareParentSize;
#endif
return *this;
}
PredictionUnit& PredictionUnit::operator=( const MotionInfo& mi )
{
interDir = mi.interDir;
for( uint32_t i = 0; i < NUM_REF_PIC_LIST_01; i++ )
{
refIdx[i] = mi.refIdx[i];
mv [i] = mi.mv[i];
}
return *this;
}
const MotionInfo& PredictionUnit::getMotionInfo() const
{
return cs->getMotionInfo( lumaPos() );
}
const MotionInfo& PredictionUnit::getMotionInfo( const Position& pos ) const
{
CHECKD( !Y().contains( pos ), "Trying to access motion info outsied of PU" );
return cs->getMotionInfo( pos );
}
MotionBuf PredictionUnit::getMotionBuf()
{
return cs->getMotionBuf( *this );
}
CMotionBuf PredictionUnit::getMotionBuf() const
{
return cs->getMotionBuf( *this );
}
// ---------------------------------------------------------------------------
// transform unit method definitions
// ---------------------------------------------------------------------------
TransformUnit::TransformUnit(const UnitArea& unit) : UnitArea(unit), cu(nullptr), cs(nullptr), chType( CH_L ), next( nullptr )
{
for( unsigned i = 0; i < MAX_NUM_TBLOCKS; i++ )
{
m_coeffs[i] = nullptr;
m_pcmbuf[i] = nullptr;
}
initData();
}
TransformUnit::TransformUnit(const ChromaFormat _chromaFormat, const Area &_area) : UnitArea(_chromaFormat, _area), cu(nullptr), cs(nullptr), chType( CH_L ), next( nullptr )
{
for( unsigned i = 0; i < MAX_NUM_TBLOCKS; i++ )
{
m_coeffs[i] = nullptr;
m_pcmbuf[i] = nullptr;
}
initData();
}
void TransformUnit::initData()
{
for( unsigned i = 0; i < MAX_NUM_TBLOCKS; i++ )
{
cbf[i] = 0;
rdpcm[i] = NUMBER_OF_RDPCM_MODES;
#if !JVET_M0464_UNI_MTS
transformSkip[i] = false;
#endif
compAlpha[i] = 0;
}
depth = 0;
#if JVET_M0464_UNI_MTS
mtsIdx = 0;
#else
emtIdx = 0;
#endif
#if JVET_M0140_SBT
noResidual = false;
#endif
#if JVET_M0427_INLOOP_RESHAPER
m_chromaResScaleInv = 0;
#endif
}
void TransformUnit::init(TCoeff **coeffs, Pel **pcmbuf)
{
uint32_t numBlocks = getNumberValidTBlocks(*cs->pcv);
for (uint32_t i = 0; i < numBlocks; i++)
{
m_coeffs[i] = coeffs[i];
m_pcmbuf[i] = pcmbuf[i];
}
}
TransformUnit& TransformUnit::operator=(const TransformUnit& other)
{
CHECK( chromaFormat != other.chromaFormat, "Incompatible formats" );
unsigned numBlocks = ::getNumberValidTBlocks(*cs->pcv);
for( unsigned i = 0; i < numBlocks; i++ )
{
CHECKD( blocks[i].area() != other.blocks[i].area(), "Transformation units cover different areas" );
uint32_t area = blocks[i].area();
if (m_coeffs[i] && other.m_coeffs[i] && m_coeffs[i] != other.m_coeffs[i]) memcpy(m_coeffs[i], other.m_coeffs[i], sizeof(TCoeff) * area);
if (m_pcmbuf[i] && other.m_pcmbuf[i] && m_pcmbuf[i] != other.m_pcmbuf[i]) memcpy(m_pcmbuf[i], other.m_pcmbuf[i], sizeof(Pel ) * area);
cbf[i] = other.cbf[i];
rdpcm[i] = other.rdpcm[i];
#if !JVET_M0464_UNI_MTS
transformSkip[i] = other.transformSkip[i];
#endif
compAlpha[i] = other.compAlpha[i];
}
depth = other.depth;
#if JVET_M0464_UNI_MTS
mtsIdx = other.mtsIdx;
#else
emtIdx = other.emtIdx;
#endif
#if JVET_M0140_SBT
noResidual = other.noResidual;
#endif
return *this;
}
void TransformUnit::copyComponentFrom(const TransformUnit& other, const ComponentID i)
{
CHECK( chromaFormat != other.chromaFormat, "Incompatible formats" );
CHECKD( blocks[i].area() != other.blocks[i].area(), "Transformation units cover different areas" );
uint32_t area = blocks[i].area();
if (m_coeffs[i] && other.m_coeffs[i] && m_coeffs[i] != other.m_coeffs[i]) memcpy(m_coeffs[i], other.m_coeffs[i], sizeof(TCoeff) * area);
if (m_pcmbuf[i] && other.m_pcmbuf[i] && m_pcmbuf[i] != other.m_pcmbuf[i]) memcpy(m_pcmbuf[i], other.m_pcmbuf[i], sizeof(Pel ) * area);
cbf[i] = other.cbf[i];
rdpcm[i] = other.rdpcm[i];
#if !JVET_M0464_UNI_MTS
transformSkip[i] = other.transformSkip[i];
#endif
compAlpha[i] = other.compAlpha[i];
depth = other.depth;
#if JVET_M0464_UNI_MTS
mtsIdx = isLuma( i ) ? other.mtsIdx : mtsIdx;
#else
if( isLuma( i ) )
{
emtIdx = other.emtIdx;
}
#endif
#if JVET_M0140_SBT
noResidual = other.noResidual;
#endif
}
CoeffBuf TransformUnit::getCoeffs(const ComponentID id) { return CoeffBuf(m_coeffs[id], blocks[id]); }
const CCoeffBuf TransformUnit::getCoeffs(const ComponentID id) const { return CCoeffBuf(m_coeffs[id], blocks[id]); }
PelBuf TransformUnit::getPcmbuf(const ComponentID id) { return PelBuf (m_pcmbuf[id], blocks[id]); }
const CPelBuf TransformUnit::getPcmbuf(const ComponentID id) const { return CPelBuf (m_pcmbuf[id], blocks[id]); }
#if JVET_M0140_SBT
void TransformUnit::checkTuNoResidual( unsigned idx )
{
if( CU::getSbtIdx( cu->sbtInfo ) == SBT_OFF_DCT )
{
return;
}
if( ( CU::getSbtPos( cu->sbtInfo ) == SBT_POS0 && idx == 1 ) || ( CU::getSbtPos( cu->sbtInfo ) == SBT_POS1 && idx == 0 ) )
{ noResidual = true;
}
}
#endif
#if JVET_M0427_INLOOP_RESHAPER
int TransformUnit::getChromaAdj() const { return m_chromaResScaleInv; }
void TransformUnit::setChromaAdj(int i) { m_chromaResScaleInv = i; }
#endif