source: SHVCSoftware/branches/SHM-dev/source/Lib/TLibCommon/TComRdCost.h @ 1393

Last change on this file since 1393 was 1389, checked in by seregin, 10 years ago

port rev 4525
  • Property svn:eol-style set to native
File size: 8.3 KB
Line 
1/* The copyright in this software is being made available under the BSD
2 * License, included below. This software may be subject to other third party
3 * and contributor rights, including patent rights, and no such rights are
4 * granted under this license.
5 *
6 * Copyright (c) 2010-2015, ITU/ISO/IEC
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions are met:
11 *
12 *  * Redistributions of source code must retain the above copyright notice,
13 *    this list of conditions and the following disclaimer.
14 *  * Redistributions in binary form must reproduce the above copyright notice,
15 *    this list of conditions and the following disclaimer in the documentation
16 *    and/or other materials provided with the distribution.
17 *  * Neither the name of the ITU/ISO/IEC nor the names of its contributors may
18 *    be used to endorse or promote products derived from this software without
19 *    specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
22 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS
25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
31 * THE POSSIBILITY OF SUCH DAMAGE.
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  Double                  m_dLambdaMotionSAD[2 /* 0=standard, 1=for transquant bypass when mixed-lossless cost evaluation enabled*/];
115  Double                  m_dLambdaMotionSSE[2 /* 0=standard, 1=for transquant bypass when mixed-lossless cost evaluation enabled*/];
116  Double                  m_dFrameLambda;
117
118  // for motion cost
119  TComMv                  m_mvPredictor;
120  Double                  m_dCost;
121  Int                     m_iCostScale;
122
123public:
124  TComRdCost();
125  virtual ~TComRdCost();
126
127  Double calcRdCost( Double numBits, Double distortion, DFunc eDFunc = DF_DEFAULT );
128
129  Void    setDistortionWeight  ( const ComponentID compID, const Double distortionWeight ) { m_distortionWeight[compID] = distortionWeight; }
130  Void    setLambda      ( Double dLambda, const BitDepths &bitDepths );
131  Void    setFrameLambda ( Double dLambda ) { m_dFrameLambda = dLambda; }
132
133  Double  getSqrtLambda ()   { return m_sqrtLambda; }
134
135  Double  getLambda() { return m_dLambda; }
136  Double  getChromaWeight () { return ((m_distortionWeight[COMPONENT_Cb] + m_distortionWeight[COMPONENT_Cr]) / 2.0); }
137
138  Void    setCostMode(CostMode   m )    { m_costMode = m; }
139
140  // Distortion Functions
141  Void    init();
142
143  Void    setDistParam( UInt uiBlkWidth, UInt uiBlkHeight, DFunc eDFunc, DistParam& rcDistParam );
144  Void    setDistParam( TComPattern* pcPatternKey, Pel* piRefY, Int iRefStride,            DistParam& rcDistParam );
145  Void    setDistParam( TComPattern* pcPatternKey, Pel* piRefY, Int iRefStride, Int iStep, DistParam& rcDistParam, Bool bHADME=false );
146  Void    setDistParam( DistParam& rcDP, Int bitDepth, Pel* p1, Int iStride1, Pel* p2, Int iStride2, Int iWidth, Int iHeight, Bool bHadamard = false );
147
148  Distortion calcHAD(Int bitDepth, Pel* pi0, Int iStride0, Pel* pi1, Int iStride1, Int iWidth, Int iHeight );
149
150  // for motion cost
151  static UInt    xGetExpGolombNumberOfBits( Int iVal );
152  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); }
153  Void    setPredictor( TComMv& rcMv )
154  {
155    m_mvPredictor = rcMv;
156  }
157  Void    setCostScale( Int iCostScale )    { m_iCostScale = iCostScale; }
158  __inline Distortion getCost( Int x, Int y )
159  {
160    return Distortion((m_dCost * getBits(x, y)) / 65536.0);
161  }
162  Distortion getCost( UInt b )                 { return Distortion(( m_dCost * b ) / 65536.0); }
163  UInt    getBits( Int x, Int y )
164  {
165    return xGetExpGolombNumberOfBits((x << m_iCostScale) - m_mvPredictor.getHor())
166    +      xGetExpGolombNumberOfBits((y << m_iCostScale) - m_mvPredictor.getVer());
167  }
168
169private:
170
171  static Distortion xGetSSE           ( DistParam* pcDtParam );
172  static Distortion xGetSSE4          ( DistParam* pcDtParam );
173  static Distortion xGetSSE8          ( DistParam* pcDtParam );
174  static Distortion xGetSSE16         ( DistParam* pcDtParam );
175  static Distortion xGetSSE32         ( DistParam* pcDtParam );
176  static Distortion xGetSSE64         ( DistParam* pcDtParam );
177  static Distortion xGetSSE16N        ( DistParam* pcDtParam );
178
179  static Distortion xGetSAD           ( DistParam* pcDtParam );
180  static Distortion xGetSAD4          ( DistParam* pcDtParam );
181  static Distortion xGetSAD8          ( DistParam* pcDtParam );
182  static Distortion xGetSAD16         ( DistParam* pcDtParam );
183  static Distortion xGetSAD32         ( DistParam* pcDtParam );
184  static Distortion xGetSAD64         ( DistParam* pcDtParam );
185  static Distortion xGetSAD16N        ( DistParam* pcDtParam );
186
187  static Distortion xGetSAD12         ( DistParam* pcDtParam );
188  static Distortion xGetSAD24         ( DistParam* pcDtParam );
189  static Distortion xGetSAD48         ( DistParam* pcDtParam );
190
191  static Distortion xGetHADs          ( DistParam* pcDtParam );
192  static Distortion xCalcHADs2x2      ( Pel *piOrg, Pel *piCurr, Int iStrideOrg, Int iStrideCur, Int iStep );
193  static Distortion xCalcHADs4x4      ( Pel *piOrg, Pel *piCurr, Int iStrideOrg, Int iStrideCur, Int iStep );
194  static Distortion xCalcHADs8x8      ( Pel *piOrg, Pel *piCurr, Int iStrideOrg, Int iStrideCur, Int iStep );
195
196
197public:
198
199  Distortion   getDistPart(Int bitDepth, Pel* piCur, Int iCurStride,  Pel* piOrg, Int iOrgStride, UInt uiBlkWidth, UInt uiBlkHeight, const ComponentID compID, DFunc eDFunc = DF_SSE );
200
201};// END CLASS DEFINITION TComRdCost
202
203//! \}
204
205#endif // __TCOMRDCOST__
Note: See TracBrowser for help on using the repository browser.