libbpg/jctvc/TLibCommon/TComRdCost.h
2015-01-16 13:46:18 +01:00

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9.3 KiB
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/* 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.
*
* Copyright (c) 2010-2014, ITU/ISO/IEC
* All rights reserved.
*
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* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
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* and/or other materials provided with the distribution.
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/** \file TComRdCost.h
\brief RD cost computation classes (header)
*/
#ifndef __TCOMRDCOST__
#define __TCOMRDCOST__
#include "CommonDef.h"
#include "TComPattern.h"
#include "TComMv.h"
#include "TComSlice.h"
#include "TComRdCostWeightPrediction.h"
//! \ingroup TLibCommon
//! \{
class DistParam;
class TComPattern;
// ====================================================================================================================
// Type definition
// ====================================================================================================================
// for function pointer
typedef Distortion (*FpDistFunc) (DistParam*); // TODO: can this pointer be replaced with a reference? - there are no NULL checks on pointer.
// ====================================================================================================================
// Class definition
// ====================================================================================================================
/// distortion parameter class
class DistParam
{
public:
Pel* pOrg;
Pel* pCur;
Int iStrideOrg;
Int iStrideCur;
Int iRows;
Int iCols;
Int iStep;
FpDistFunc DistFunc;
Int bitDepth;
Bool bApplyWeight; // whether weighted prediction is used or not
WPScalingParam *wpCur; // weighted prediction scaling parameters for current ref
ComponentID compIdx;
// (vertical) subsampling shift (for reducing complexity)
// - 0 = no subsampling, 1 = even rows, 2 = every 4th, etc.
Int iSubShift;
DistParam()
{
pOrg = NULL;
pCur = NULL;
iStrideOrg = 0;
iStrideCur = 0;
iRows = 0;
iCols = 0;
iStep = 1;
DistFunc = NULL;
iSubShift = 0;
bitDepth = 0;
}
};
/// RD cost computation class
class TComRdCost
{
private:
// for distortion
FpDistFunc m_afpDistortFunc[DF_TOTAL_FUNCTIONS]; // [eDFunc]
CostMode m_costMode;
Double m_distortionWeight[MAX_NUM_COMPONENT]; // only chroma values are used.
Double m_dLambda;
Double m_sqrtLambda;
#if RExt__HIGH_BIT_DEPTH_SUPPORT
Double m_dLambdaMotionSAD[2 /* 0=standard, 1=for transquant bypass when mixed-lossless cost evaluation enabled*/];
Double m_dLambdaMotionSSE[2 /* 0=standard, 1=for transquant bypass when mixed-lossless cost evaluation enabled*/];
#else
UInt m_uiLambdaMotionSAD[2 /* 0=standard, 1=for transquant bypass when mixed-lossless cost evaluation enabled*/];
UInt m_uiLambdaMotionSSE[2 /* 0=standard, 1=for transquant bypass when mixed-lossless cost evaluation enabled*/];
#endif
Double m_dFrameLambda;
// for motion cost
TComMv m_mvPredictor;
#if RExt__HIGH_BIT_DEPTH_SUPPORT
Double m_dCost;
#else
UInt m_uiCost;
#endif
Int m_iCostScale;
public:
TComRdCost();
virtual ~TComRdCost();
Double calcRdCost ( UInt uiBits, Distortion uiDistortion, Bool bFlag = false, DFunc eDFunc = DF_DEFAULT );
Double calcRdCost64( UInt64 uiBits, UInt64 uiDistortion, Bool bFlag = false, DFunc eDFunc = DF_DEFAULT );
Void setDistortionWeight ( const ComponentID compID, const Double distortionWeight ) { m_distortionWeight[compID] = distortionWeight; }
Void setLambda ( Double dLambda );
Void setFrameLambda ( Double dLambda ) { m_dFrameLambda = dLambda; }
Double getSqrtLambda () { return m_sqrtLambda; }
Double getLambda() { return m_dLambda; }
Double getChromaWeight () { return ((m_distortionWeight[COMPONENT_Cb] + m_distortionWeight[COMPONENT_Cr]) / 2.0); }
Void setCostMode(CostMode m ) { m_costMode = m; }
// Distortion Functions
Void init();
Void setDistParam( UInt uiBlkWidth, UInt uiBlkHeight, DFunc eDFunc, DistParam& rcDistParam );
Void setDistParam( TComPattern* pcPatternKey, Pel* piRefY, Int iRefStride, DistParam& rcDistParam );
Void setDistParam( TComPattern* pcPatternKey, Pel* piRefY, Int iRefStride, Int iStep, DistParam& rcDistParam, Bool bHADME=false );
Void setDistParam( DistParam& rcDP, Int bitDepth, Pel* p1, Int iStride1, Pel* p2, Int iStride2, Int iWidth, Int iHeight, Bool bHadamard = false );
Distortion calcHAD(Int bitDepth, Pel* pi0, Int iStride0, Pel* pi1, Int iStride1, Int iWidth, Int iHeight );
// for motion cost
UInt xGetComponentBits( Int iVal );
#if RExt__HIGH_BIT_DEPTH_SUPPORT
Void getMotionCost( Bool bSad, Int iAdd, Bool bIsTransquantBypass ) { m_dCost = (bSad ? m_dLambdaMotionSAD[(bIsTransquantBypass && m_costMode==COST_MIXED_LOSSLESS_LOSSY_CODING) ?1:0] + iAdd : m_dLambdaMotionSSE[(bIsTransquantBypass && m_costMode==COST_MIXED_LOSSLESS_LOSSY_CODING)?1:0] + iAdd); }
#else
Void getMotionCost( Bool bSad, Int iAdd, Bool bIsTransquantBypass ) { m_uiCost = (bSad ? m_uiLambdaMotionSAD[(bIsTransquantBypass && m_costMode==COST_MIXED_LOSSLESS_LOSSY_CODING) ?1:0] + iAdd : m_uiLambdaMotionSSE[(bIsTransquantBypass && m_costMode==COST_MIXED_LOSSLESS_LOSSY_CODING)?1:0] + iAdd); }
#endif
Void setPredictor( TComMv& rcMv )
{
m_mvPredictor = rcMv;
}
Void setCostScale( Int iCostScale ) { m_iCostScale = iCostScale; }
__inline Distortion getCost( Int x, Int y )
{
#if RExt__HIGH_BIT_DEPTH_SUPPORT
return Distortion((m_dCost * getBits(x, y)) / 65536.0);
#else
return m_uiCost * getBits(x, y) >> 16;
#endif
}
#if RExt__HIGH_BIT_DEPTH_SUPPORT
Distortion getCost( UInt b ) { return Distortion(( m_dCost * b ) / 65536.0); }
#else
Distortion getCost( UInt b ) { return ( m_uiCost * b ) >> 16; }
#endif
UInt getBits( Int x, Int y )
{
return xGetComponentBits((x << m_iCostScale) - m_mvPredictor.getHor())
+ xGetComponentBits((y << m_iCostScale) - m_mvPredictor.getVer());
}
private:
static Distortion xGetSSE ( DistParam* pcDtParam );
static Distortion xGetSSE4 ( DistParam* pcDtParam );
static Distortion xGetSSE8 ( DistParam* pcDtParam );
static Distortion xGetSSE16 ( DistParam* pcDtParam );
static Distortion xGetSSE32 ( DistParam* pcDtParam );
static Distortion xGetSSE64 ( DistParam* pcDtParam );
static Distortion xGetSSE16N ( DistParam* pcDtParam );
static Distortion xGetSAD ( DistParam* pcDtParam );
static Distortion xGetSAD4 ( DistParam* pcDtParam );
static Distortion xGetSAD8 ( DistParam* pcDtParam );
static Distortion xGetSAD16 ( DistParam* pcDtParam );
static Distortion xGetSAD32 ( DistParam* pcDtParam );
static Distortion xGetSAD64 ( DistParam* pcDtParam );
static Distortion xGetSAD16N ( DistParam* pcDtParam );
#if AMP_SAD
static Distortion xGetSAD12 ( DistParam* pcDtParam );
static Distortion xGetSAD24 ( DistParam* pcDtParam );
static Distortion xGetSAD48 ( DistParam* pcDtParam );
#endif
static Distortion xGetHADs ( DistParam* pcDtParam );
static Distortion xCalcHADs2x2 ( Pel *piOrg, Pel *piCurr, Int iStrideOrg, Int iStrideCur, Int iStep );
static Distortion xCalcHADs4x4 ( Pel *piOrg, Pel *piCurr, Int iStrideOrg, Int iStrideCur, Int iStep );
static Distortion xCalcHADs8x8 ( Pel *piOrg, Pel *piCurr, Int iStrideOrg, Int iStrideCur, Int iStep );
public:
Distortion getDistPart(Int bitDepth, Pel* piCur, Int iCurStride, Pel* piOrg, Int iOrgStride, UInt uiBlkWidth, UInt uiBlkHeight, const ComponentID compID, DFunc eDFunc = DF_SSE );
};// END CLASS DEFINITION TComRdCost
//! \}
#endif // __TCOMRDCOST__