source: SHVCSoftware/trunk/source/Lib/TLibCommon/TComRdCost.h @ 577

Last change on this file since 577 was 540, checked in by seregin, 11 years ago

merge SHM-4.1-dev branch
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[313]1/* The copyright in this software is being made available under the BSD
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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
52#define FIX203 1
53
54class DistParam;
55class TComPattern;
56
57// ====================================================================================================================
58// Type definition
59// ====================================================================================================================
60
61// for function pointer
62typedef UInt (*FpDistFunc) (DistParam*);
63
64// ====================================================================================================================
65// Class definition
66// ====================================================================================================================
67
68/// distortion parameter class
69class DistParam
70{
71public:
72  Pel*  pOrg;
73  Pel*  pCur;
74  Int   iStrideOrg;
75  Int   iStrideCur;
76  Int   iRows;
77  Int   iCols;
78  Int   iStep;
79  FpDistFunc DistFunc;
80  Int   bitDepth;
81
82  Bool            bApplyWeight;     // whether weithed prediction is used or not
83  wpScalingParam  *wpCur;           // weithed prediction scaling parameters for current ref
84  UInt            uiComp;           // uiComp = 0 (luma Y), 1 (chroma U), 2 (chroma V)
85
86  // (vertical) subsampling shift (for reducing complexity)
87  // - 0 = no subsampling, 1 = even rows, 2 = every 4th, etc.
88  Int   iSubShift;
89 
90  DistParam()
91  {
92    pOrg = NULL;
93    pCur = NULL;
94    iStrideOrg = 0;
95    iStrideCur = 0;
96    iRows = 0;
97    iCols = 0;
98    iStep = 1;
99    DistFunc = NULL;
100    iSubShift = 0;
101    bitDepth = 0;
102  }
103};
104
105/// RD cost computation class
106class TComRdCost
107  : public TComRdCostWeightPrediction
108{
109private:
110  // for distortion
111 
112#if AMP_SAD
113  FpDistFunc              m_afpDistortFunc[64]; // [eDFunc]
114#else 
115  FpDistFunc              m_afpDistortFunc[33]; // [eDFunc]
116#endif 
117 
118  Double                  m_cbDistortionWeight; 
119  Double                  m_crDistortionWeight; 
120  Double                  m_dLambda;
121  Double                  m_sqrtLambda;
122  UInt                    m_uiLambdaMotionSAD;
123  UInt                    m_uiLambdaMotionSSE;
124  Double                  m_dFrameLambda;
125 
126  // for motion cost
127#if FIX203
128  TComMv                  m_mvPredictor;
129#else
130  UInt*                   m_puiComponentCostOriginP;
131  UInt*                   m_puiComponentCost;
132  UInt*                   m_puiVerCost;
133  UInt*                   m_puiHorCost;
134#endif
135  UInt                    m_uiCost;
136  Int                     m_iCostScale;
137#if !FIX203
138  Int                     m_iSearchLimit;
139#endif
140 
141public:
142  TComRdCost();
143  virtual ~TComRdCost();
144 
145  Double  calcRdCost  ( UInt   uiBits, UInt   uiDistortion, Bool bFlag = false, DFunc eDFunc = DF_DEFAULT );
146  Double  calcRdCost64( UInt64 uiBits, UInt64 uiDistortion, Bool bFlag = false, DFunc eDFunc = DF_DEFAULT );
147 
148  Void    setCbDistortionWeight      ( Double cbDistortionWeight) { m_cbDistortionWeight = cbDistortionWeight; };
149  Void    setCrDistortionWeight      ( Double crDistortionWeight) { m_crDistortionWeight = crDistortionWeight; };
150  Void    setLambda      ( Double dLambda );
151  Void    setFrameLambda ( Double dLambda ) { m_dFrameLambda = dLambda; }
152 
153  Double  getSqrtLambda ()   { return m_sqrtLambda; }
154
155  Double  getLambda() { return m_dLambda; }
156  Double  getChromaWeight () {return((m_cbDistortionWeight+m_crDistortionWeight)/2.0);}
157 
158  // Distortion Functions
159  Void    init();
160 
161  Void    setDistParam( UInt uiBlkWidth, UInt uiBlkHeight, DFunc eDFunc, DistParam& rcDistParam );
162  Void    setDistParam( TComPattern* pcPatternKey, Pel* piRefY, Int iRefStride,            DistParam& rcDistParam );
163  Void    setDistParam( TComPattern* pcPatternKey, Pel* piRefY, Int iRefStride, Int iStep, DistParam& rcDistParam, Bool bHADME=false );
164  Void    setDistParam( DistParam& rcDP, Int bitDepth, Pel* p1, Int iStride1, Pel* p2, Int iStride2, Int iWidth, Int iHeight, Bool bHadamard = false );
165 
166  UInt    calcHAD(Int bitDepth, Pel* pi0, Int iStride0, Pel* pi1, Int iStride1, Int iWidth, Int iHeight );
167 
168  // for motion cost
169#if !FIX203
170  Void    initRateDistortionModel( Int iSubPelSearchLimit );
171  Void    xUninit();
172#endif
173  UInt    xGetComponentBits( Int iVal );
174  Void    getMotionCost( Bool bSad, Int iAdd ) { m_uiCost = (bSad ? m_uiLambdaMotionSAD + iAdd : m_uiLambdaMotionSSE + iAdd); }
175  Void    setPredictor( TComMv& rcMv )
176  {
177#if FIX203
178    m_mvPredictor = rcMv;
179#else
180    m_puiHorCost = m_puiComponentCost - rcMv.getHor();
181    m_puiVerCost = m_puiComponentCost - rcMv.getVer();
182#endif
183  }
184  Void    setCostScale( Int iCostScale )    { m_iCostScale = iCostScale; }
185  __inline UInt getCost( Int x, Int y )
186  {
187#if FIX203
188    return m_uiCost * getBits(x, y) >> 16;
189#else
190    return (( m_uiCost * (m_puiHorCost[ x * (1<<m_iCostScale) ] + m_puiVerCost[ y * (1<<m_iCostScale) ]) ) >> 16);
191#endif
192  }
193  UInt    getCost( UInt b )                 { return ( m_uiCost * b ) >> 16; }
194  UInt    getBits( Int x, Int y )         
195  {
196#if FIX203
197    return xGetComponentBits((x << m_iCostScale) - m_mvPredictor.getHor())
198    +      xGetComponentBits((y << m_iCostScale) - m_mvPredictor.getVer());
199#else
200    return m_puiHorCost[ x * (1<<m_iCostScale)] + m_puiVerCost[ y * (1<<m_iCostScale) ];
201#endif
202  }
203 
204private:
205 
206  static UInt xGetSSE           ( DistParam* pcDtParam );
207  static UInt xGetSSE4          ( DistParam* pcDtParam );
208  static UInt xGetSSE8          ( DistParam* pcDtParam );
209  static UInt xGetSSE16         ( DistParam* pcDtParam );
210  static UInt xGetSSE32         ( DistParam* pcDtParam );
211  static UInt xGetSSE64         ( DistParam* pcDtParam );
212  static UInt xGetSSE16N        ( DistParam* pcDtParam );
213 
214  static UInt xGetSAD           ( DistParam* pcDtParam );
215  static UInt xGetSAD4          ( DistParam* pcDtParam );
216  static UInt xGetSAD8          ( DistParam* pcDtParam );
217  static UInt xGetSAD16         ( DistParam* pcDtParam );
218  static UInt xGetSAD32         ( DistParam* pcDtParam );
219  static UInt xGetSAD64         ( DistParam* pcDtParam );
220  static UInt xGetSAD16N        ( DistParam* pcDtParam );
221 
222#if AMP_SAD
223  static UInt xGetSAD12         ( DistParam* pcDtParam );
224  static UInt xGetSAD24         ( DistParam* pcDtParam );
225  static UInt xGetSAD48         ( DistParam* pcDtParam );
226
227#endif
228
229  static UInt xGetHADs4         ( DistParam* pcDtParam );
230  static UInt xGetHADs8         ( DistParam* pcDtParam );
231  static UInt xGetHADs          ( DistParam* pcDtParam );
232  static UInt xCalcHADs2x2      ( Pel *piOrg, Pel *piCurr, Int iStrideOrg, Int iStrideCur, Int iStep );
233  static UInt xCalcHADs4x4      ( Pel *piOrg, Pel *piCurr, Int iStrideOrg, Int iStrideCur, Int iStep );
234  static UInt xCalcHADs8x8      ( Pel *piOrg, Pel *piCurr, Int iStrideOrg, Int iStrideCur, Int iStep );
235 
236public:
237  UInt   getDistPart(Int bitDepth, Pel* piCur, Int iCurStride,  Pel* piOrg, Int iOrgStride, UInt uiBlkWidth, UInt uiBlkHeight, TextType eText = TEXT_LUMA, DFunc eDFunc = DF_SSE );
238
239};// END CLASS DEFINITION TComRdCost
240
241//! \}
242
243#endif // __TCOMRDCOST__
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