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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 class DistParam;
53 class TComPattern;
54 
55 // ====================================================================================================================
56 // Type definition
57 // ====================================================================================================================
58 
59 // for function pointer
60 typedef 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
67 class DistParam
68 {
69 public:
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 
DistParam()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
104 class TComRdCost
105 {
106 private:
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 
132 public:
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 
setDistortionWeight(const ComponentID compID,const Double distortionWeight)139   Void    setDistortionWeight  ( const ComponentID compID, const Double distortionWeight ) { m_distortionWeight[compID] = distortionWeight; }
140   Void    setLambda      ( Double dLambda );
setFrameLambda(Double dLambda)141   Void    setFrameLambda ( Double dLambda ) { m_dFrameLambda = dLambda; }
142 
getSqrtLambda()143   Double  getSqrtLambda ()   { return m_sqrtLambda; }
144 
getLambda()145   Double  getLambda() { return m_dLambda; }
getChromaWeight()146   Double  getChromaWeight () { return ((m_distortionWeight[COMPONENT_Cb] + m_distortionWeight[COMPONENT_Cr]) / 2.0); }
147 
setCostMode(CostMode m)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   UInt    xGetComponentBits( Int iVal );
162 #if RExt__HIGH_BIT_DEPTH_SUPPORT
getMotionCost(Bool bSad,Int iAdd,Bool bIsTransquantBypass)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
getMotionCost(Bool bSad,Int iAdd,Bool bIsTransquantBypass)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
setPredictor(TComMv & rcMv)167   Void    setPredictor( TComMv& rcMv )
168   {
169     m_mvPredictor = rcMv;
170   }
setCostScale(Int iCostScale)171   Void    setCostScale( Int iCostScale )    { m_iCostScale = iCostScale; }
getCost(Int x,Int y)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
getCost(UInt b)181   Distortion getCost( UInt b )                 { return Distortion(( m_dCost * b ) / 65536.0); }
182 #else
getCost(UInt b)183   Distortion getCost( UInt b )                 { return ( m_uiCost * b ) >> 16; }
184 #endif
getBits(Int x,Int y)185   UInt    getBits( Int x, Int y )
186   {
187     return xGetComponentBits((x << m_iCostScale) - m_mvPredictor.getHor())
188     +      xGetComponentBits((y << m_iCostScale) - m_mvPredictor.getVer());
189   }
190 
191 private:
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 #if AMP_SAD
210   static Distortion xGetSAD12         ( DistParam* pcDtParam );
211   static Distortion xGetSAD24         ( DistParam* pcDtParam );
212   static Distortion xGetSAD48         ( DistParam* pcDtParam );
213 
214 #endif
215 
216   static Distortion xGetHADs          ( DistParam* pcDtParam );
217   static Distortion xCalcHADs2x2      ( Pel *piOrg, Pel *piCurr, Int iStrideOrg, Int iStrideCur, Int iStep );
218   static Distortion xCalcHADs4x4      ( Pel *piOrg, Pel *piCurr, Int iStrideOrg, Int iStrideCur, Int iStep );
219   static Distortion xCalcHADs8x8      ( Pel *piOrg, Pel *piCurr, Int iStrideOrg, Int iStrideCur, Int iStep );
220 
221 
222 public:
223 
224   Distortion   getDistPart(Int bitDepth, Pel* piCur, Int iCurStride,  Pel* piOrg, Int iOrgStride, UInt uiBlkWidth, UInt uiBlkHeight, const ComponentID compID, DFunc eDFunc = DF_SSE );
225 
226 };// END CLASS DEFINITION TComRdCost
227 
228 //! \}
229 
230 #endif // __TCOMRDCOST__
231