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/** \file RdCost.h
\brief RD cost computation classes (header)
*/
#ifndef __RDCOST__
#define __RDCOST__
#include "CommonDef.h"
#include "Mv.h"
#include "Unit.h"
#include "Buffer.h"
#include "Slice.h"
#include "RdCostWeightPrediction.h"
#include <math.h>
//! \ingroup CommonLib
//! \{
class DistParam;
class EncCfg;
// ====================================================================================================================
// Type definition
// ====================================================================================================================
// for function pointer
typedef Distortion (*FpDistFunc) (const DistParam&);
// ====================================================================================================================
// Class definition
// ====================================================================================================================
/// distortion parameter class
class DistParam
{
public:
CPelBuf org;
CPelBuf cur;
#if WCG_EXT
CPelBuf orgLuma;
#endif
int step;
FpDistFunc distFunc;
int bitDepth;
bool useMR;
bool applyWeight; // whether weighted prediction is used or not
bool isBiPred;
const WPScalingParam *wpCur; // weighted prediction scaling parameters for current ref
ComponentID compID;
Distortion maximumDistortionForEarlyExit; /// During cost calculations, if distortion exceeds this value, cost calculations may early-terminate.
// (vertical) subsampling shift (for reducing complexity)
// - 0 = no subsampling, 1 = even rows, 2 = every 4th, etc.
int subShift;
DistParam() :
org(), cur(), step( 1 ), bitDepth( 0 ), useMR( false ), applyWeight( false ), isBiPred( false ), wpCur( nullptr ), compID( MAX_NUM_COMPONENT ), maximumDistortionForEarlyExit( std::numeric_limits<Distortion>::max() ), subShift( 0 )
{ }
};
/// RD cost computation class
class RdCost
{
private:
// for distortion
static FpDistFunc m_afpDistortFunc[DF_TOTAL_FUNCTIONS]; // [eDFunc]
CostMode m_costMode;
double m_distortionWeight[MAX_NUM_COMPONENT]; // only chroma values are used.
double m_dLambda;
#if WCG_EXT
double m_dLambda_unadjusted; // TODO: check is necessary
double m_DistScaleUnadjusted;
static std::vector<double> m_reshapeLumaLevelToWeightPLUT;
static std::vector<double> m_lumaLevelToWeightPLUT;
static uint32_t m_signalType;
static double m_chromaWeight;
static int m_lumaBD;
#endif
double m_DistScale;
double m_dLambdaMotionSAD[2 /* 0=standard, 1=for transquant bypass when mixed-lossless cost evaluation enabled*/];
// for motion cost
Mv m_mvPredictor;
Mv m_bvPredictors[2];
double m_motionLambda;
int m_iCostScale;
double m_dCost; // for ibc
public:
RdCost();
virtual ~RdCost();
#if WCG_EXT
double calcRdCost ( uint64_t fracBits, Distortion distortion, bool useUnadjustedLambda = true );
#else
double calcRdCost ( uint64_t fracBits, Distortion distortion );
#endif
void setDistortionWeight ( const ComponentID compID, const double distortionWeight ) { m_distortionWeight[compID] = distortionWeight; }
void setLambda ( double dLambda, const BitDepths &bitDepths );
#if WCG_EXT
double getLambda( bool unadj = false )
{ return unadj ? m_dLambda_unadjusted : m_dLambda; }
#else
double getLambda() { return m_dLambda; }
#endif
double getChromaWeight() { return ((m_distortionWeight[COMPONENT_Cb] + m_distortionWeight[COMPONENT_Cr]) / 2.0); }
void setCostMode(CostMode m) { m_costMode = m; }
// Distortion Functions
void init();
#ifdef TARGET_SIMD_X86
void initRdCostX86();
template <X86_VEXT vext>
void _initRdCostX86();
#endif
void setDistParam( DistParam &rcDP, const CPelBuf &org, const Pel* piRefY , int iRefStride, int bitDepth, ComponentID compID, int subShiftMode = 0, int step = 1, bool useHadamard = false );
void setDistParam( DistParam &rcDP, const CPelBuf &org, const CPelBuf &cur, int bitDepth, ComponentID compID, bool useHadamard = false );
void setDistParam( DistParam &rcDP, const Pel* pOrg, const Pel* piRefY, int iOrgStride, int iRefStride, int bitDepth, ComponentID compID, int width, int height, int subShiftMode = 0, int step = 1, bool useHadamard = false, bool bioApplied = false );
double getMotionLambda ( bool bIsTransquantBypass ) { return m_dLambdaMotionSAD[(bIsTransquantBypass && m_costMode==COST_MIXED_LOSSLESS_LOSSY_CODING)?1:0]; }
void selectMotionLambda ( bool bIsTransquantBypass ) { m_motionLambda = getMotionLambda( bIsTransquantBypass ); }
void setPredictor ( const Mv& rcMv )
{
m_mvPredictor = rcMv;
}
void setCostScale ( int iCostScale ) { m_iCostScale = iCostScale; }
Distortion getCost ( uint32_t b ) { return Distortion( m_motionLambda * b ); }
// for ibc
void getMotionCost(int add, bool isTransquantBypass) { m_dCost = m_dLambdaMotionSAD[(isTransquantBypass && m_costMode == COST_MIXED_LOSSLESS_LOSSY_CODING) ? 1 : 0] + add; }
void setPredictors(Mv* pcMv)
{
for (int i = 0; i<2; i++)
{
m_bvPredictors[i] = pcMv[i];
}
}
inline Distortion getBvCostMultiplePreds(int x, int y, bool useIMV)
{
return Distortion((m_dCost * getBitsMultiplePreds(x, y, useIMV)) / 65536.0);
}
unsigned int getBitsMultiplePreds(int x, int y, bool useIMV)
{
int rmvH[2];
int rmvV[2];
rmvH[0] = x - m_bvPredictors[0].getHor();
rmvH[1] = x - m_bvPredictors[1].getHor();
rmvV[0] = y - m_bvPredictors[0].getVer();
rmvV[1] = y - m_bvPredictors[1].getVer();
int absCand[2];
absCand[0] = abs(rmvH[0]) + abs(rmvV[0]);
absCand[1] = abs(rmvH[1]) + abs(rmvV[1]);
int rmvHQP[2];
int rmvVQP[2];
if (x % 4 == 0 && y % 4 == 0 && useIMV)
{
int imvShift = 2;
int offset = 1 << (imvShift - 1);
rmvHQP[0] = (x >> 2) - ((m_bvPredictors[0].getHor() + offset) >> 2);
rmvHQP[1] = (x >> 2) - ((m_bvPredictors[1].getHor() + offset) >> 2);
rmvVQP[0] = (y >> 2) - ((m_bvPredictors[0].getVer() + offset) >> 2);
rmvVQP[1] = (y >> 2) - ((m_bvPredictors[1].getVer() + offset) >> 2);
int absCandQP[2];
absCandQP[0] = abs(rmvHQP[0]) + abs(rmvVQP[0]);
absCandQP[1] = abs(rmvHQP[1]) + abs(rmvVQP[1]);
unsigned int candBits0QP, candBits1QP;
if (absCand[0] < absCand[1])
{
unsigned int candBits0 = getIComponentBits(rmvH[0]) + getIComponentBits(rmvV[0]);
if (absCandQP[0] < absCandQP[1])
{
candBits0QP = getIComponentBits(rmvHQP[0]) + getIComponentBits(rmvVQP[0]);
return candBits0QP <candBits0 ? candBits0QP : candBits0;
}
else
{
candBits1QP = getIComponentBits(rmvHQP[1]) + getIComponentBits(rmvVQP[1]);
return candBits1QP < candBits0 ? candBits1QP : candBits0;
}
}
else
{
unsigned int candBits1 = getIComponentBits(rmvH[1]) + getIComponentBits(rmvV[1]);
if (absCandQP[0] < absCandQP[1])
{
candBits0QP = getIComponentBits(rmvHQP[0]) + getIComponentBits(rmvVQP[0]);
return candBits0QP < candBits1 ? candBits0QP : candBits1;
}
else
{
candBits1QP = getIComponentBits(rmvHQP[1]) + getIComponentBits(rmvVQP[1]);
return candBits1QP < candBits1 ? candBits1QP : candBits1;
}
}
}
else
{
if (absCand[0] < absCand[1])
{
return getIComponentBits(rmvH[0]) + getIComponentBits(rmvV[0]);
}
else
{
return getIComponentBits(rmvH[1]) + getIComponentBits(rmvV[1]);
}
}
}
unsigned int getIComponentBits(int val)
{
if (!val) return 1;
unsigned int length = 1;
unsigned int temp = (val <= 0) ? (-val << 1) + 1 : (val << 1);
while (1 != temp)
{
temp >>= 1;
length += 2;
}
return length;
}
#if ENABLE_SPLIT_PARALLELISM
void copyState( const RdCost& other );
#endif
// for motion cost
static uint32_t xGetExpGolombNumberOfBits( int iVal )
{
CHECKD( iVal == std::numeric_limits<int>::min(), "Wrong value" );
unsigned uiLength2 = 1, uiTemp2 = ( iVal <= 0 ) ? ( unsigned( -iVal ) << 1 ) + 1 : unsigned( iVal << 1 );
while( uiTemp2 > MAX_CU_SIZE )
{
uiLength2 += ( MAX_CU_DEPTH << 1 );
uiTemp2 >>= MAX_CU_DEPTH;
}
return uiLength2 + ( g_aucPrevLog2[uiTemp2] << 1 );
}
Distortion getCostOfVectorWithPredictor( const int x, const int y, const unsigned imvShift ) { return Distortion( m_motionLambda * getBitsOfVectorWithPredictor(x, y, imvShift )); }
uint32_t getBitsOfVectorWithPredictor( const int x, const int y, const unsigned imvShift ) { return xGetExpGolombNumberOfBits(((x << m_iCostScale) - m_mvPredictor.getHor())>>imvShift) + xGetExpGolombNumberOfBits(((y << m_iCostScale) - m_mvPredictor.getVer())>>imvShift); }
#if WCG_EXT
void saveUnadjustedLambda ();
void initLumaLevelToWeightTable ();
inline double getWPSNRLumaLevelWeight (int val) { return m_lumaLevelToWeightPLUT[val]; }
void initLumaLevelToWeightTableReshape();
void updateReshapeLumaLevelToWeightTableChromaMD (std::vector<Pel>& ILUT);
void restoreReshapeLumaLevelToWeightTable ();
inline double getWPSNRReshapeLumaLevelWeight (int val) { return m_reshapeLumaLevelToWeightPLUT[val]; }
void setReshapeInfo (uint32_t type, int lumaBD) { m_signalType = type; m_lumaBD = lumaBD; }
void updateReshapeLumaLevelToWeightTable (SliceReshapeInfo &sliceReshape, Pel *wtTable, double cwt);
inline std::vector<double>& getLumaLevelWeightTable () { return m_lumaLevelToWeightPLUT; }
#endif
private:
static Distortion xGetSSE ( const DistParam& pcDtParam );
static Distortion xGetSSE4 ( const DistParam& pcDtParam );
static Distortion xGetSSE8 ( const DistParam& pcDtParam );
static Distortion xGetSSE16 ( const DistParam& pcDtParam );
static Distortion xGetSSE32 ( const DistParam& pcDtParam );
static Distortion xGetSSE64 ( const DistParam& pcDtParam );
static Distortion xGetSSE16N ( const DistParam& pcDtParam );
#if WCG_EXT
static Distortion getWeightedMSE (int compIdx, const Pel org, const Pel cur, const uint32_t uiShift, const Pel orgLuma);
static Distortion xGetSSE_WTD ( const DistParam& pcDtParam );
static Distortion xGetSSE2_WTD ( const DistParam& pcDtParam );
static Distortion xGetSSE4_WTD ( const DistParam& pcDtParam );
static Distortion xGetSSE8_WTD ( const DistParam& pcDtParam );
static Distortion xGetSSE16_WTD ( const DistParam& pcDtParam );
static Distortion xGetSSE32_WTD ( const DistParam& pcDtParam );
static Distortion xGetSSE64_WTD ( const DistParam& pcDtParam );
static Distortion xGetSSE16N_WTD ( const DistParam& pcDtParam );
#endif
static Distortion xGetSAD ( const DistParam& pcDtParam );
static Distortion xGetSAD4 ( const DistParam& pcDtParam );
static Distortion xGetSAD8 ( const DistParam& pcDtParam );
static Distortion xGetSAD16 ( const DistParam& pcDtParam );
static Distortion xGetSAD32 ( const DistParam& pcDtParam );
static Distortion xGetSAD64 ( const DistParam& pcDtParam );
static Distortion xGetSAD16N ( const DistParam& pcDtParam );
static Distortion xGetSAD12 ( const DistParam& pcDtParam );
static Distortion xGetSAD24 ( const DistParam& pcDtParam );
static Distortion xGetSAD48 ( const DistParam& pcDtParam );
static Distortion xGetSAD_full ( const DistParam& pcDtParam );
static Distortion xGetMRSAD ( const DistParam& pcDtParam );
static Distortion xGetMRSAD4 ( const DistParam& pcDtParam );
static Distortion xGetMRSAD8 ( const DistParam& pcDtParam );
static Distortion xGetMRSAD16 ( const DistParam& pcDtParam );
static Distortion xGetMRSAD32 ( const DistParam& pcDtParam );
static Distortion xGetMRSAD64 ( const DistParam& pcDtParam );
static Distortion xGetMRSAD16N ( const DistParam& pcDtParam );
static Distortion xGetMRSAD12 ( const DistParam& pcDtParam );
static Distortion xGetMRSAD24 ( const DistParam& pcDtParam );
static Distortion xGetMRSAD48 ( const DistParam& pcDtParam );
static Distortion xGetMRHADs ( const DistParam& pcDtParam );
static Distortion xGetHADs ( const DistParam& pcDtParam );
static Distortion xCalcHADs2x2 ( const Pel *piOrg, const Pel *piCurr, int iStrideOrg, int iStrideCur, int iStep );
static Distortion xCalcHADs4x4 ( const Pel *piOrg, const Pel *piCurr, int iStrideOrg, int iStrideCur, int iStep );
static Distortion xCalcHADs8x8 ( const Pel *piOrg, const Pel *piCurr, int iStrideOrg, int iStrideCur, int iStep );
static Distortion xCalcHADs16x8 ( const Pel *piOrg, const Pel *piCur, int iStrideOrg, int iStrideCur );
static Distortion xCalcHADs8x16 ( const Pel *piOrg, const Pel *piCur, int iStrideOrg, int iStrideCur );
static Distortion xCalcHADs4x8 ( const Pel *piOrg, const Pel *piCur, int iStrideOrg, int iStrideCur );
static Distortion xCalcHADs8x4 ( const Pel *piOrg, const Pel *piCur, int iStrideOrg, int iStrideCur );
#ifdef TARGET_SIMD_X86
template< typename Torg, typename Tcur, X86_VEXT vext >
static Distortion xGetSSE_SIMD ( const DistParam& pcDtParam );
template< typename Torg, typename Tcur, int iWidth, X86_VEXT vext >
static Distortion xGetSSE_NxN_SIMD( const DistParam& pcDtParam );
template< X86_VEXT vext >
static Distortion xGetSAD_SIMD ( const DistParam& pcDtParam );
template< int iWidth, X86_VEXT vext >
static Distortion xGetSAD_NxN_SIMD( const DistParam& pcDtParam );
template< X86_VEXT vext >
static Distortion xGetSAD_IBD_SIMD(const DistParam& pcDtParam);
template< typename Torg, typename Tcur, X86_VEXT vext >
static Distortion xGetHADs_SIMD ( const DistParam& pcDtParam );
#endif
public:
#if WCG_EXT
Distortion getDistPart( const CPelBuf &org, const CPelBuf &cur, int bitDepth, const ComponentID compID, DFunc eDFunc, const CPelBuf *orgLuma = NULL );
#else
Distortion getDistPart( const CPelBuf &org, const CPelBuf &cur, int bitDepth, const ComponentID compID, DFunc eDFunc );
#endif
};// END CLASS DEFINITION RdCost
//! \}
#endif // __RDCOST__