forked from mirror/libbpg
230 lines
9.3 KiB
C++
230 lines
9.3 KiB
C++
/* The copyright in this software is being made available under the BSD
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* License, included below. This software may be subject to other third party
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* and contributor rights, including patent rights, and no such rights are
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* granted under this license.
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*
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* Copyright (c) 2010-2014, ITU/ISO/IEC
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* * Neither the name of the ITU/ISO/IEC nor the names of its contributors may
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* be used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/** \file TComRdCost.h
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\brief RD cost computation classes (header)
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*/
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#ifndef __TCOMRDCOST__
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#define __TCOMRDCOST__
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#include "CommonDef.h"
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#include "TComPattern.h"
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#include "TComMv.h"
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#include "TComSlice.h"
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#include "TComRdCostWeightPrediction.h"
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//! \ingroup TLibCommon
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//! \{
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class DistParam;
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class TComPattern;
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// ====================================================================================================================
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// Type definition
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// ====================================================================================================================
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// for function pointer
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typedef Distortion (*FpDistFunc) (DistParam*); // TODO: can this pointer be replaced with a reference? - there are no NULL checks on pointer.
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// ====================================================================================================================
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// Class definition
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// ====================================================================================================================
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/// distortion parameter class
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class DistParam
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{
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public:
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Pel* pOrg;
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Pel* pCur;
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Int iStrideOrg;
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Int iStrideCur;
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Int iRows;
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Int iCols;
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Int iStep;
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FpDistFunc DistFunc;
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Int bitDepth;
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Bool bApplyWeight; // whether weighted prediction is used or not
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WPScalingParam *wpCur; // weighted prediction scaling parameters for current ref
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ComponentID compIdx;
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// (vertical) subsampling shift (for reducing complexity)
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// - 0 = no subsampling, 1 = even rows, 2 = every 4th, etc.
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Int iSubShift;
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DistParam()
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{
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pOrg = NULL;
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pCur = NULL;
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iStrideOrg = 0;
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iStrideCur = 0;
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iRows = 0;
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iCols = 0;
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iStep = 1;
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DistFunc = NULL;
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iSubShift = 0;
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bitDepth = 0;
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}
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};
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/// RD cost computation class
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class TComRdCost
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{
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private:
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// for distortion
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FpDistFunc m_afpDistortFunc[DF_TOTAL_FUNCTIONS]; // [eDFunc]
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CostMode m_costMode;
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Double m_distortionWeight[MAX_NUM_COMPONENT]; // only chroma values are used.
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Double m_dLambda;
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Double m_sqrtLambda;
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#if RExt__HIGH_BIT_DEPTH_SUPPORT
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Double m_dLambdaMotionSAD[2 /* 0=standard, 1=for transquant bypass when mixed-lossless cost evaluation enabled*/];
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Double m_dLambdaMotionSSE[2 /* 0=standard, 1=for transquant bypass when mixed-lossless cost evaluation enabled*/];
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#else
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UInt m_uiLambdaMotionSAD[2 /* 0=standard, 1=for transquant bypass when mixed-lossless cost evaluation enabled*/];
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UInt m_uiLambdaMotionSSE[2 /* 0=standard, 1=for transquant bypass when mixed-lossless cost evaluation enabled*/];
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#endif
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Double m_dFrameLambda;
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// for motion cost
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TComMv m_mvPredictor;
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#if RExt__HIGH_BIT_DEPTH_SUPPORT
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Double m_dCost;
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#else
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UInt m_uiCost;
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#endif
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Int m_iCostScale;
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public:
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TComRdCost();
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virtual ~TComRdCost();
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Double calcRdCost ( UInt uiBits, Distortion uiDistortion, Bool bFlag = false, DFunc eDFunc = DF_DEFAULT );
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Double calcRdCost64( UInt64 uiBits, UInt64 uiDistortion, Bool bFlag = false, DFunc eDFunc = DF_DEFAULT );
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Void setDistortionWeight ( const ComponentID compID, const Double distortionWeight ) { m_distortionWeight[compID] = distortionWeight; }
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Void setLambda ( Double dLambda );
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Void setFrameLambda ( Double dLambda ) { m_dFrameLambda = dLambda; }
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Double getSqrtLambda () { return m_sqrtLambda; }
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Double getLambda() { return m_dLambda; }
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Double getChromaWeight () { return ((m_distortionWeight[COMPONENT_Cb] + m_distortionWeight[COMPONENT_Cr]) / 2.0); }
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Void setCostMode(CostMode m ) { m_costMode = m; }
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// Distortion Functions
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Void init();
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Void setDistParam( UInt uiBlkWidth, UInt uiBlkHeight, DFunc eDFunc, DistParam& rcDistParam );
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Void setDistParam( TComPattern* pcPatternKey, Pel* piRefY, Int iRefStride, DistParam& rcDistParam );
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Void setDistParam( TComPattern* pcPatternKey, Pel* piRefY, Int iRefStride, Int iStep, DistParam& rcDistParam, Bool bHADME=false );
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Void setDistParam( DistParam& rcDP, Int bitDepth, Pel* p1, Int iStride1, Pel* p2, Int iStride2, Int iWidth, Int iHeight, Bool bHadamard = false );
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Distortion calcHAD(Int bitDepth, Pel* pi0, Int iStride0, Pel* pi1, Int iStride1, Int iWidth, Int iHeight );
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// for motion cost
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UInt xGetComponentBits( Int iVal );
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#if RExt__HIGH_BIT_DEPTH_SUPPORT
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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); }
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#else
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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); }
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#endif
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Void setPredictor( TComMv& rcMv )
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{
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m_mvPredictor = rcMv;
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}
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Void setCostScale( Int iCostScale ) { m_iCostScale = iCostScale; }
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__inline Distortion getCost( Int x, Int y )
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{
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#if RExt__HIGH_BIT_DEPTH_SUPPORT
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return Distortion((m_dCost * getBits(x, y)) / 65536.0);
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#else
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return m_uiCost * getBits(x, y) >> 16;
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#endif
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}
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#if RExt__HIGH_BIT_DEPTH_SUPPORT
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Distortion getCost( UInt b ) { return Distortion(( m_dCost * b ) / 65536.0); }
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#else
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Distortion getCost( UInt b ) { return ( m_uiCost * b ) >> 16; }
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#endif
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UInt getBits( Int x, Int y )
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{
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return xGetComponentBits((x << m_iCostScale) - m_mvPredictor.getHor())
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+ xGetComponentBits((y << m_iCostScale) - m_mvPredictor.getVer());
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}
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private:
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static Distortion xGetSSE ( DistParam* pcDtParam );
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static Distortion xGetSSE4 ( DistParam* pcDtParam );
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static Distortion xGetSSE8 ( DistParam* pcDtParam );
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static Distortion xGetSSE16 ( DistParam* pcDtParam );
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static Distortion xGetSSE32 ( DistParam* pcDtParam );
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static Distortion xGetSSE64 ( DistParam* pcDtParam );
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static Distortion xGetSSE16N ( DistParam* pcDtParam );
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static Distortion xGetSAD ( DistParam* pcDtParam );
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static Distortion xGetSAD4 ( DistParam* pcDtParam );
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static Distortion xGetSAD8 ( DistParam* pcDtParam );
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static Distortion xGetSAD16 ( DistParam* pcDtParam );
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static Distortion xGetSAD32 ( DistParam* pcDtParam );
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static Distortion xGetSAD64 ( DistParam* pcDtParam );
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static Distortion xGetSAD16N ( DistParam* pcDtParam );
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#if AMP_SAD
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static Distortion xGetSAD12 ( DistParam* pcDtParam );
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static Distortion xGetSAD24 ( DistParam* pcDtParam );
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static Distortion xGetSAD48 ( DistParam* pcDtParam );
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#endif
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static Distortion xGetHADs ( DistParam* pcDtParam );
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static Distortion xCalcHADs2x2 ( Pel *piOrg, Pel *piCurr, Int iStrideOrg, Int iStrideCur, Int iStep );
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static Distortion xCalcHADs4x4 ( Pel *piOrg, Pel *piCurr, Int iStrideOrg, Int iStrideCur, Int iStep );
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static Distortion xCalcHADs8x8 ( Pel *piOrg, Pel *piCurr, Int iStrideOrg, Int iStrideCur, Int iStep );
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public:
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Distortion getDistPart(Int bitDepth, Pel* piCur, Int iCurStride, Pel* piOrg, Int iOrgStride, UInt uiBlkWidth, UInt uiBlkHeight, const ComponentID compID, DFunc eDFunc = DF_SSE );
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};// END CLASS DEFINITION TComRdCost
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//! \}
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#endif // __TCOMRDCOST__
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