source: SHVCSoftware/branches/SHM-1.1-dev/source/Lib/TLibCommon/TComRdCost.h @ 47

Last change on this file since 47 was 2, checked in by seregin, 12 years ago

Initial import by Vadim Seregin <vseregin@…>
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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
81  Bool            bApplyWeight;     // whether weithed prediction is used or not
82  wpScalingParam  *wpCur;           // weithed prediction scaling parameters for current ref
83  UInt            uiComp;           // uiComp = 0 (luma Y), 1 (chroma U), 2 (chroma V)
84
85#if NS_HAD
86  Bool            bUseNSHAD;
87#endif
88
89  // (vertical) subsampling shift (for reducing complexity)
90  // - 0 = no subsampling, 1 = even rows, 2 = every 4th, etc.
91  Int   iSubShift;
92 
93  DistParam()
94  {
95    pOrg = NULL;
96    pCur = NULL;
97    iStrideOrg = 0;
98    iStrideCur = 0;
99    iRows = 0;
100    iCols = 0;
101    iStep = 1;
102    DistFunc = NULL;
103    iSubShift = 0;
104#if NS_HAD
105    bUseNSHAD = false;
106#endif
107  }
108};
109
110/// RD cost computation class
111class TComRdCost
112  : public TComRdCostWeightPrediction
113{
114private:
115  // for distortion
116  Int                     m_iBlkWidth;
117  Int                     m_iBlkHeight;
118 
119#if AMP_SAD
120  FpDistFunc              m_afpDistortFunc[64]; // [eDFunc]
121#else 
122  FpDistFunc              m_afpDistortFunc[33]; // [eDFunc]
123#endif 
124 
125#if WEIGHTED_CHROMA_DISTORTION
126  Double                  m_chromaDistortionWeight;   
127#endif
128  Double                  m_dLambda;
129  Double                  m_sqrtLambda;
130  UInt                    m_uiLambdaMotionSAD;
131  UInt                    m_uiLambdaMotionSSE;
132  Double                  m_dFrameLambda;
133 
134  // for motion cost
135#if FIX203
136  TComMv                  m_mvPredictor;
137#else
138  UInt*                   m_puiComponentCostOriginP;
139  UInt*                   m_puiComponentCost;
140  UInt*                   m_puiVerCost;
141  UInt*                   m_puiHorCost;
142#endif
143  UInt                    m_uiCost;
144  Int                     m_iCostScale;
145#if !FIX203
146  Int                     m_iSearchLimit;
147#endif
148 
149public:
150  TComRdCost();
151  virtual ~TComRdCost();
152 
153  Double  calcRdCost  ( UInt   uiBits, UInt   uiDistortion, Bool bFlag = false, DFunc eDFunc = DF_DEFAULT );
154  Double  calcRdCost64( UInt64 uiBits, UInt64 uiDistortion, Bool bFlag = false, DFunc eDFunc = DF_DEFAULT );
155 
156#if WEIGHTED_CHROMA_DISTORTION
157  Void    setChromaDistortionWeight      ( Double chromaDistortionWeight) { m_chromaDistortionWeight = chromaDistortionWeight; };
158#endif
159  Void    setLambda      ( Double dLambda );
160  Void    setFrameLambda ( Double dLambda ) { m_dFrameLambda = dLambda; }
161 
162  Double  getSqrtLambda ()   { return m_sqrtLambda; }
163 
164  // Distortion Functions
165  Void    init();
166 
167  Void    setDistParam( UInt uiBlkWidth, UInt uiBlkHeight, DFunc eDFunc, DistParam& rcDistParam );
168  Void    setDistParam( TComPattern* pcPatternKey, Pel* piRefY, Int iRefStride,            DistParam& rcDistParam );
169#if NS_HAD
170  Void    setDistParam( TComPattern* pcPatternKey, Pel* piRefY, Int iRefStride, Int iStep, DistParam& rcDistParam, Bool bHADME=false, Bool bUseNSHAD=false );
171  Void    setDistParam( DistParam& rcDP, Pel* p1, Int iStride1, Pel* p2, Int iStride2, Int iWidth, Int iHeight, Bool bHadamard = false, Bool bUseNSHAD=false );
172#else
173  Void    setDistParam( TComPattern* pcPatternKey, Pel* piRefY, Int iRefStride, Int iStep, DistParam& rcDistParam, Bool bHADME=false );
174  Void    setDistParam( DistParam& rcDP, Pel* p1, Int iStride1, Pel* p2, Int iStride2, Int iWidth, Int iHeight, Bool bHadamard = false );
175#endif
176 
177  UInt    calcHAD         ( Pel* pi0, Int iStride0, Pel* pi1, Int iStride1, Int iWidth, Int iHeight );
178 
179  // for motion cost
180#if !FIX203
181  Void    initRateDistortionModel( Int iSubPelSearchLimit );
182  Void    xUninit();
183#endif
184  UInt    xGetComponentBits( Int iVal );
185  Void    getMotionCost( Bool bSad, Int iAdd ) { m_uiCost = (bSad ? m_uiLambdaMotionSAD + iAdd : m_uiLambdaMotionSSE + iAdd); }
186  Void    setPredictor( TComMv& rcMv )
187  {
188#if FIX203
189    m_mvPredictor = rcMv;
190#else
191    m_puiHorCost = m_puiComponentCost - rcMv.getHor();
192    m_puiVerCost = m_puiComponentCost - rcMv.getVer();
193#endif
194  }
195  Void    setCostScale( Int iCostScale )    { m_iCostScale = iCostScale; }
196  __inline UInt getCost( Int x, Int y )
197  {
198#if FIX203
199    return m_uiCost * getBits(x, y) >> 16;
200#else
201    return (( m_uiCost * (m_puiHorCost[ x * (1<<m_iCostScale) ] + m_puiVerCost[ y * (1<<m_iCostScale) ]) ) >> 16);
202#endif
203  }
204  UInt    getCost( UInt b )                 { return ( m_uiCost * b ) >> 16; }
205  UInt    getBits( Int x, Int y )         
206  {
207#if FIX203
208    return xGetComponentBits((x << m_iCostScale) - m_mvPredictor.getHor())
209    +      xGetComponentBits((y << m_iCostScale) - m_mvPredictor.getVer());
210#else
211    return m_puiHorCost[ x * (1<<m_iCostScale)] + m_puiVerCost[ y * (1<<m_iCostScale) ];
212#endif
213  }
214 
215private:
216 
217  static UInt xGetSSE           ( DistParam* pcDtParam );
218  static UInt xGetSSE4          ( DistParam* pcDtParam );
219  static UInt xGetSSE8          ( DistParam* pcDtParam );
220  static UInt xGetSSE16         ( DistParam* pcDtParam );
221  static UInt xGetSSE32         ( DistParam* pcDtParam );
222  static UInt xGetSSE64         ( DistParam* pcDtParam );
223  static UInt xGetSSE16N        ( DistParam* pcDtParam );
224 
225  static UInt xGetSAD           ( DistParam* pcDtParam );
226  static UInt xGetSAD4          ( DistParam* pcDtParam );
227  static UInt xGetSAD8          ( DistParam* pcDtParam );
228  static UInt xGetSAD16         ( DistParam* pcDtParam );
229  static UInt xGetSAD32         ( DistParam* pcDtParam );
230  static UInt xGetSAD64         ( DistParam* pcDtParam );
231  static UInt xGetSAD16N        ( DistParam* pcDtParam );
232 
233#if AMP_SAD
234  static UInt xGetSAD12         ( DistParam* pcDtParam );
235  static UInt xGetSAD24         ( DistParam* pcDtParam );
236  static UInt xGetSAD48         ( DistParam* pcDtParam );
237
238#endif
239
240  static UInt xGetHADs4         ( DistParam* pcDtParam );
241  static UInt xGetHADs8         ( DistParam* pcDtParam );
242  static UInt xGetHADs          ( DistParam* pcDtParam );
243  static UInt xCalcHADs2x2      ( Pel *piOrg, Pel *piCurr, Int iStrideOrg, Int iStrideCur, Int iStep );
244  static UInt xCalcHADs4x4      ( Pel *piOrg, Pel *piCurr, Int iStrideOrg, Int iStrideCur, Int iStep );
245  static UInt xCalcHADs8x8      ( Pel *piOrg, Pel *piCurr, Int iStrideOrg, Int iStrideCur, Int iStep );
246#if NS_HAD
247  static UInt xCalcHADs16x4     ( Pel *piOrg, Pel *piCurr, Int iStrideOrg, Int iStrideCur, Int iStep );
248  static UInt xCalcHADs4x16     ( Pel *piOrg, Pel *piCurr, Int iStrideOrg, Int iStrideCur, Int iStep );
249#endif
250 
251public:
252#if WEIGHTED_CHROMA_DISTORTION
253  UInt   getDistPart( Pel* piCur, Int iCurStride,  Pel* piOrg, Int iOrgStride, UInt uiBlkWidth, UInt uiBlkHeight, Bool bWeighted = false, DFunc eDFunc = DF_SSE );
254#else
255  UInt   getDistPart( Pel* piCur, Int iCurStride,  Pel* piOrg, Int iOrgStride, UInt uiBlkWidth, UInt uiBlkHeight, DFunc eDFunc = DF_SSE );
256#endif
257 
258};// END CLASS DEFINITION TComRdCost
259
260//! \}
261
262#endif // __TCOMRDCOST__
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