source: SHVCSoftware/branches/SHM-dev/source/Lib/TLibCommon/TComRdCost.h @ 1348

Last change on this file since 1348 was 1341, checked in by seregin, 9 years ago

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1/* The copyright in this software is being made available under the BSD
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32 */
33
34/** \file     TComRdCost.h
35    \brief    RD cost computation classes (header)
36*/
37
38#ifndef __TCOMRDCOST__
39#define __TCOMRDCOST__
40
41
42#include "CommonDef.h"
43#include "TComPattern.h"
44#include "TComMv.h"
45
46#include "TComSlice.h"
47#include "TComRdCostWeightPrediction.h"
48
49//! \ingroup TLibCommon
50//! \{
51
52class DistParam;
53class TComPattern;
54
55// ====================================================================================================================
56// Type definition
57// ====================================================================================================================
58
59// for function pointer
60typedef Distortion (*FpDistFunc) (DistParam*); // TODO: can this pointer be replaced with a reference? - there are no NULL checks on pointer.
61
62// ====================================================================================================================
63// Class definition
64// ====================================================================================================================
65
66/// distortion parameter class
67class DistParam
68{
69public:
70  Pel*  pOrg;
71  Pel*  pCur;
72  Int   iStrideOrg;
73  Int   iStrideCur;
74  Int   iRows;
75  Int   iCols;
76  Int   iStep;
77  FpDistFunc DistFunc;
78  Int   bitDepth;
79
80  Bool            bApplyWeight;     // whether weighted prediction is used or not
81  WPScalingParam  *wpCur;           // weighted prediction scaling parameters for current ref
82  ComponentID     compIdx;
83
84  // (vertical) subsampling shift (for reducing complexity)
85  // - 0 = no subsampling, 1 = even rows, 2 = every 4th, etc.
86  Int   iSubShift;
87
88  DistParam()
89  {
90    pOrg = NULL;
91    pCur = NULL;
92    iStrideOrg = 0;
93    iStrideCur = 0;
94    iRows = 0;
95    iCols = 0;
96    iStep = 1;
97    DistFunc = NULL;
98    iSubShift = 0;
99    bitDepth = 0;
100  }
101};
102
103/// RD cost computation class
104class TComRdCost
105{
106private:
107  // for distortion
108
109  FpDistFunc              m_afpDistortFunc[DF_TOTAL_FUNCTIONS]; // [eDFunc]
110  CostMode                m_costMode;
111  Double                  m_distortionWeight[MAX_NUM_COMPONENT]; // only chroma values are used.
112  Double                  m_dLambda;
113  Double                  m_sqrtLambda;
114#if RExt__HIGH_BIT_DEPTH_SUPPORT
115  Double                  m_dLambdaMotionSAD[2 /* 0=standard, 1=for transquant bypass when mixed-lossless cost evaluation enabled*/];
116  Double                  m_dLambdaMotionSSE[2 /* 0=standard, 1=for transquant bypass when mixed-lossless cost evaluation enabled*/];
117#else
118  UInt                    m_uiLambdaMotionSAD[2 /* 0=standard, 1=for transquant bypass when mixed-lossless cost evaluation enabled*/];
119  UInt                    m_uiLambdaMotionSSE[2 /* 0=standard, 1=for transquant bypass when mixed-lossless cost evaluation enabled*/];
120#endif
121  Double                  m_dFrameLambda;
122
123  // for motion cost
124  TComMv                  m_mvPredictor;
125#if RExt__HIGH_BIT_DEPTH_SUPPORT
126  Double                  m_dCost;
127#else
128  UInt                    m_uiCost;
129#endif
130  Int                     m_iCostScale;
131
132public:
133  TComRdCost();
134  virtual ~TComRdCost();
135
136  Double  calcRdCost  ( UInt   uiBits, Distortion uiDistortion, Bool bFlag = false, DFunc eDFunc = DF_DEFAULT );
137  Double  calcRdCost64( UInt64 uiBits, UInt64 uiDistortion, Bool bFlag = false, DFunc eDFunc = DF_DEFAULT );
138
139  Void    setDistortionWeight  ( const ComponentID compID, const Double distortionWeight ) { m_distortionWeight[compID] = distortionWeight; }
140  Void    setLambda      ( Double dLambda, const BitDepths &bitDepths );
141  Void    setFrameLambda ( Double dLambda ) { m_dFrameLambda = dLambda; }
142
143  Double  getSqrtLambda ()   { return m_sqrtLambda; }
144
145  Double  getLambda() { return m_dLambda; }
146  Double  getChromaWeight () { return ((m_distortionWeight[COMPONENT_Cb] + m_distortionWeight[COMPONENT_Cr]) / 2.0); }
147
148  Void    setCostMode(CostMode   m )    { m_costMode = m; }
149
150  // Distortion Functions
151  Void    init();
152
153  Void    setDistParam( UInt uiBlkWidth, UInt uiBlkHeight, DFunc eDFunc, DistParam& rcDistParam );
154  Void    setDistParam( TComPattern* pcPatternKey, Pel* piRefY, Int iRefStride,            DistParam& rcDistParam );
155  Void    setDistParam( TComPattern* pcPatternKey, Pel* piRefY, Int iRefStride, Int iStep, DistParam& rcDistParam, Bool bHADME=false );
156  Void    setDistParam( DistParam& rcDP, Int bitDepth, Pel* p1, Int iStride1, Pel* p2, Int iStride2, Int iWidth, Int iHeight, Bool bHadamard = false );
157
158  Distortion calcHAD(Int bitDepth, Pel* pi0, Int iStride0, Pel* pi1, Int iStride1, Int iWidth, Int iHeight );
159
160  // for motion cost
161  static UInt    xGetExpGolombNumberOfBits( Int iVal );
162#if RExt__HIGH_BIT_DEPTH_SUPPORT
163  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); }
164#else
165  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); }
166#endif
167  Void    setPredictor( TComMv& rcMv )
168  {
169    m_mvPredictor = rcMv;
170  }
171  Void    setCostScale( Int iCostScale )    { m_iCostScale = iCostScale; }
172  __inline Distortion getCost( Int x, Int y )
173  {
174#if RExt__HIGH_BIT_DEPTH_SUPPORT
175    return Distortion((m_dCost * getBits(x, y)) / 65536.0);
176#else
177    return m_uiCost * getBits(x, y) >> 16;
178#endif
179  }
180#if RExt__HIGH_BIT_DEPTH_SUPPORT
181  Distortion getCost( UInt b )                 { return Distortion(( m_dCost * b ) / 65536.0); }
182#else
183  Distortion getCost( UInt b )                 { return ( m_uiCost * b ) >> 16; }
184#endif
185  UInt    getBits( Int x, Int y )
186  {
187    return xGetExpGolombNumberOfBits((x << m_iCostScale) - m_mvPredictor.getHor())
188    +      xGetExpGolombNumberOfBits((y << m_iCostScale) - m_mvPredictor.getVer());
189  }
190
191private:
192
193  static Distortion xGetSSE           ( DistParam* pcDtParam );
194  static Distortion xGetSSE4          ( DistParam* pcDtParam );
195  static Distortion xGetSSE8          ( DistParam* pcDtParam );
196  static Distortion xGetSSE16         ( DistParam* pcDtParam );
197  static Distortion xGetSSE32         ( DistParam* pcDtParam );
198  static Distortion xGetSSE64         ( DistParam* pcDtParam );
199  static Distortion xGetSSE16N        ( DistParam* pcDtParam );
200
201  static Distortion xGetSAD           ( DistParam* pcDtParam );
202  static Distortion xGetSAD4          ( DistParam* pcDtParam );
203  static Distortion xGetSAD8          ( DistParam* pcDtParam );
204  static Distortion xGetSAD16         ( DistParam* pcDtParam );
205  static Distortion xGetSAD32         ( DistParam* pcDtParam );
206  static Distortion xGetSAD64         ( DistParam* pcDtParam );
207  static Distortion xGetSAD16N        ( DistParam* pcDtParam );
208
209  static Distortion xGetSAD12         ( DistParam* pcDtParam );
210  static Distortion xGetSAD24         ( DistParam* pcDtParam );
211  static Distortion xGetSAD48         ( DistParam* pcDtParam );
212
213  static Distortion xGetHADs          ( DistParam* pcDtParam );
214  static Distortion xCalcHADs2x2      ( Pel *piOrg, Pel *piCurr, Int iStrideOrg, Int iStrideCur, Int iStep );
215  static Distortion xCalcHADs4x4      ( Pel *piOrg, Pel *piCurr, Int iStrideOrg, Int iStrideCur, Int iStep );
216  static Distortion xCalcHADs8x8      ( Pel *piOrg, Pel *piCurr, Int iStrideOrg, Int iStrideCur, Int iStep );
217
218
219public:
220
221  Distortion   getDistPart(Int bitDepth, Pel* piCur, Int iCurStride,  Pel* piOrg, Int iOrgStride, UInt uiBlkWidth, UInt uiBlkHeight, const ComponentID compID, DFunc eDFunc = DF_SSE );
222
223};// END CLASS DEFINITION TComRdCost
224
225//! \}
226
227#endif // __TCOMRDCOST__
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