source: SHVCSoftware/branches/SHM-dev/source/Lib/TLibCommon/TComRdCost.h @ 1396

Last change on this file since 1396 was 1395, checked in by seregin, 10 years ago

port rev 4548
  • Property svn:eol-style set to native
File size: 8.6 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  const Pel*            pOrg;
71  const 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  const 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   : pOrg(NULL),
90     pCur(NULL),
91     iStrideOrg(0),
92     iStrideCur(0),
93     iRows(0),
94     iCols(0),
95     iStep(1),
96     DistFunc(NULL),
97     bitDepth(0),
98     bApplyWeight(false),
99     wpCur(NULL),
100     compIdx(MAX_NUM_COMPONENT),
101     iSubShift(0)
102  { }
103};
104
105/// RD cost computation class
106class TComRdCost
107{
108private:
109  // for distortion
110
111  FpDistFunc              m_afpDistortFunc[DF_TOTAL_FUNCTIONS]; // [eDFunc]
112  CostMode                m_costMode;
113  Double                  m_distortionWeight[MAX_NUM_COMPONENT]; // only chroma values are used.
114  Double                  m_dLambda;
115  Double                  m_sqrtLambda;
116  Double                  m_dLambdaMotionSAD[2 /* 0=standard, 1=for transquant bypass when mixed-lossless cost evaluation enabled*/];
117  Double                  m_dLambdaMotionSSE[2 /* 0=standard, 1=for transquant bypass when mixed-lossless cost evaluation enabled*/];
118  Double                  m_dFrameLambda;
119
120  // for motion cost
121  TComMv                  m_mvPredictor;
122  Double                  m_dCost;
123  Int                     m_iCostScale;
124
125public:
126  TComRdCost();
127  virtual ~TComRdCost();
128
129  Double calcRdCost( Double numBits, Double distortion, DFunc eDFunc = DF_DEFAULT );
130
131  Void    setDistortionWeight  ( const ComponentID compID, const Double distortionWeight ) { m_distortionWeight[compID] = distortionWeight; }
132  Void    setLambda      ( Double dLambda, const BitDepths &bitDepths );
133  Void    setFrameLambda ( Double dLambda ) { m_dFrameLambda = dLambda; }
134
135  Double  getSqrtLambda ()   { return m_sqrtLambda; }
136
137  Double  getLambda() { return m_dLambda; }
138  Double  getChromaWeight () { return ((m_distortionWeight[COMPONENT_Cb] + m_distortionWeight[COMPONENT_Cr]) / 2.0); }
139
140  Void    setCostMode(CostMode   m )    { m_costMode = m; }
141
142  // Distortion Functions
143  Void    init();
144
145  Void    setDistParam( UInt uiBlkWidth, UInt uiBlkHeight, DFunc eDFunc, DistParam& rcDistParam );
146  Void    setDistParam( const TComPattern* const pcPatternKey, const Pel* piRefY, Int iRefStride,            DistParam& rcDistParam );
147  Void    setDistParam( const TComPattern* const pcPatternKey, const Pel* piRefY, Int iRefStride, Int iStep, DistParam& rcDistParam, Bool bHADME=false );
148  Void    setDistParam( DistParam& rcDP, Int bitDepth, const Pel* p1, Int iStride1, const Pel* p2, Int iStride2, Int iWidth, Int iHeight, Bool bHadamard = false );
149
150  Distortion calcHAD(Int bitDepth, const Pel* pi0, Int iStride0, const Pel* pi1, Int iStride1, Int iWidth, Int iHeight );
151
152  // for motion cost
153  static UInt    xGetExpGolombNumberOfBits( Int iVal );
154  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); }
155  Void    setPredictor( TComMv& rcMv )
156  {
157    m_mvPredictor = rcMv;
158  }
159  Void    setCostScale( Int iCostScale )    { m_iCostScale = iCostScale; }
160  __inline Distortion getCost( Int x, Int y )
161  {
162    return Distortion((m_dCost * getBits(x, y)) / 65536.0);
163  }
164  Distortion getCost( UInt b )                 { return Distortion(( m_dCost * b ) / 65536.0); }
165  UInt    getBits( Int x, Int y )
166  {
167    return xGetExpGolombNumberOfBits((x << m_iCostScale) - m_mvPredictor.getHor())
168    +      xGetExpGolombNumberOfBits((y << m_iCostScale) - m_mvPredictor.getVer());
169  }
170
171private:
172
173  static Distortion xGetSSE           ( DistParam* pcDtParam );
174  static Distortion xGetSSE4          ( DistParam* pcDtParam );
175  static Distortion xGetSSE8          ( DistParam* pcDtParam );
176  static Distortion xGetSSE16         ( DistParam* pcDtParam );
177  static Distortion xGetSSE32         ( DistParam* pcDtParam );
178  static Distortion xGetSSE64         ( DistParam* pcDtParam );
179  static Distortion xGetSSE16N        ( DistParam* pcDtParam );
180
181  static Distortion xGetSAD           ( DistParam* pcDtParam );
182  static Distortion xGetSAD4          ( DistParam* pcDtParam );
183  static Distortion xGetSAD8          ( DistParam* pcDtParam );
184  static Distortion xGetSAD16         ( DistParam* pcDtParam );
185  static Distortion xGetSAD32         ( DistParam* pcDtParam );
186  static Distortion xGetSAD64         ( DistParam* pcDtParam );
187  static Distortion xGetSAD16N        ( DistParam* pcDtParam );
188
189  static Distortion xGetSAD12         ( DistParam* pcDtParam );
190  static Distortion xGetSAD24         ( DistParam* pcDtParam );
191  static Distortion xGetSAD48         ( DistParam* pcDtParam );
192
193  static Distortion xGetHADs          ( DistParam* pcDtParam );
194  static Distortion xCalcHADs2x2      ( const Pel *piOrg, const Pel *piCurr, Int iStrideOrg, Int iStrideCur, Int iStep );
195  static Distortion xCalcHADs4x4      ( const Pel *piOrg, const Pel *piCurr, Int iStrideOrg, Int iStrideCur, Int iStep );
196  static Distortion xCalcHADs8x8      ( const Pel *piOrg, const Pel *piCurr, Int iStrideOrg, Int iStrideCur, Int iStep );
197
198
199public:
200
201  Distortion   getDistPart(Int bitDepth, const Pel* piCur, Int iCurStride, const Pel* piOrg, Int iOrgStride, UInt uiBlkWidth, UInt uiBlkHeight, const ComponentID compID, DFunc eDFunc = DF_SSE );
202
203};// END CLASS DEFINITION TComRdCost
204
205//! \}
206
207#endif // __TCOMRDCOST__
Note: See TracBrowser for help on using the repository browser.