source: 3DVCSoftware/branches/HTM-3.0-LG/source/Lib/TAppCommon/TAppComCamPara.h @ 141

Last change on this file since 141 was 56, checked in by hschwarz, 13 years ago

updated trunk (move to HM6.1)
File size: 14.5 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) 2010-2011, ISO/IEC
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13 *    this list of conditions and the following disclaimer.
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15 *    this list of conditions and the following disclaimer in the documentation
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33
34
35
36#ifndef __TAPPCOMCAMPARA__
37#define __TAPPCOMCAMPARA__
38
39// Include files
40#include "../../Lib/TLibCommon/CommonDef.h"
41#include <vector>
42
43
44#define LOG10_VIEW_NUM_PREC         5  // Precision of view numbering
45#define VIEW_NUM_PREC               pow( 10.0, (Int)LOG10_VIEW_NUM_PREC )
46
47// ====================================================================================================================
48// Class definition
49// ====================================================================================================================
50
51class TAppComCamPara
52{
53private:
54  // camera parameter data
55  std::vector< std::vector<Double> >  m_aadCameraParameters;  ///< buffer for double values from file
56
57  // miscellaneous variables
58  Double              m_dViewNumPrec;                         ///< factor for camera number to create integer representation
59  Int                 m_iLog2Precision;                       ///< shift precision in LUT
60  UInt                m_uiInputBitDepth;                      ///< bit depth of input depth maps
61  UInt                m_uiBitDepthForLUT;                     ///< bit depth used for table look-up
62  UInt                m_uiFirstFrameId;                       ///< first frame id
63  UInt                m_uiLastFrameId;                        ///< last frame id
64  UInt                m_iCurrentFrameId;                      ///< currently set frame id
65
66  Bool                m_bSetupFromCoded;                      ///< setup from coded parameter file
67  Bool                m_bCamParsCodedPrecSet;                 ///< Coded Cam Para precision set for current frame;
68
69  // view lists
70  std::vector<Int>    m_aiViewsInCfgFile;                     ///< views for which parameters are specified in cfg file (from left to right)
71  std::vector<Int>    m_aiSynthViews;                           ///< View numbers of External ViewReferences
72  std::vector<Int>    m_aiRelSynthViewsNum;                   ///< Relative view numbers of External ViewReferences
73  std::vector<Int>    m_aiBaseViews;                          ///< View numbers of Base View References (in coding order)
74  std::vector<Int>    m_aiSortedBaseViews;                    ///< View numbers of Base View References (from left to right)
75  std::vector<Int>    m_aiBaseId2SortedId;                    ///< mapping from coding order to left-right order for base views
76  std::vector<Int>    m_aiBaseSortedId2Id;                    ///< mapping from left-right order to coding order for base views
77  Int                 m_iNumberOfBaseViews;                   ///< number of base views
78  Int                 m_iNumberOfSynthViews;                  ///< number of synthesized views
79
80  // SPS and slice header related variables
81  std::vector<Int>    m_aiViewOrderIndex;                     ///< list of view order indices
82  UInt                m_uiCamParsCodedPrecision;              ///< precision for coding of camera parameters (x: max error in disparity is 2^(-x) luma samples)
83  Bool                m_bCamParsVaryOverTime;                 ///< flag specifying whether camera parameters vary for given frame numbers
84  Int**               m_aaiCodedScale;                        ///< array of coded scaling parameters [RefView][TargetView]
85  Int**               m_aaiCodedOffset;                       ///< array of coded offset  parameters [RefView][TargetView]
86  Int**               m_aaiScaleAndOffsetSet;                 ///< array indicating whether scale and offset have been set
87
88  // parameters for virtual depth map generation
89  Int                 m_iPdmPrecision;                        ///< additional precision for disparity - virtual depth conversion
90  Int**               m_aaiPdmScaleNomDelta;                  ///< [TargetView][RefView] delta for nominator of scale factor
91  Int**               m_aaiPdmOffset;                         ///< [TargetView][RefView] offset parameter
92
93  // scale and offset parameters
94  Double***           m_adBaseViewShiftParameter;                                                       ///< ShiftParameters between BaseViews e.g. [2][1][0] shift scale from view 2 to view 1; [2][1][1] shift offset from view 2 to view 1
95  Int64 ***           m_aiBaseViewShiftParameter;                                       ///< ShiftParameters between BaseViews e.g. [2][1][0] shift scale from view 2 to view 1; [2][1][1] shift offset from view 2 to view 1           /* do we need 64 bit? */
96  Double***           m_adSynthViewShiftParameter;                                        ///< ShiftParameters between BaseViews and ERViews e.g. [2][1][0] shift scale from base view 2 to er view 1;
97  Int64 ***           m_aiSynthViewShiftParameter;                              ///< ShiftParameters between BaseViews and ERViews e.g. [2][1][0] shift scale from base view 2 to er view 1;            /* do we need 64 bit? */
98
99  // look-up tables
100  Double****          m_adBaseViewShiftLUT;                                                                             ///< Disparity LUT
101  Int****             m_aiBaseViewShiftLUT;                                                                       ///< Disparity LUT
102  Double****          m_adSynthViewShiftLUT;                                                                    ///< Disparity LUT
103  Int****             m_aiSynthViewShiftLUT;                                                                    ///< Disparity LUT
104
105
106protected:
107  // create and delete arrays
108  Void                    xCreateLUTs   ( UInt uiNumberSourceViews, UInt uiNumberTargetViews, Double****& radLUT, Int****& raiLUT, Double***& radShiftParams, Int64***& raiShiftParams );
109  Void                    xCreate2dArray( UInt uiNum1Ids, UInt uiNum2Ids, Int**& raaiArray );
110  Void                    xInit2dArray  ( UInt uiNum1Ids, UInt uiNum2Ids, Int**& raaiArray, Int iValue );
111  template<class T> Void  xDeleteArray  ( T*& rpt, UInt uiSize1, UInt uiSize2, UInt uiSize3 );
112  template<class T> Void  xDeleteArray  ( T*& rpt, UInt uiSize1, UInt uiSize2 );
113  template<class T> Void  xDeleteArray  ( T*& rpt, UInt uiSize );
114
115  // functions for reading, initialization, sorting, getting data, etc.
116  Void  xReadCameraParameterFile  ( Char* pchCfgFileName );
117  Bool  xGetCameraDataRow         ( Int iView, UInt uiFrame, UInt& ruiFoundLine );
118
119  Void  xGetSortedViewList        ( const std::vector<Int>& raiViews, std::vector<Int>& raiSortedViews, std::vector<Int>& raiId2SortedId, std::vector<Int>& raiSortedId2Id );
120  Void  xGetViewOrderIndices      ( const std::vector<Int>& raiId2SortedId, std::vector<Int>& raiVOIdx );
121  Bool  xGetCamParsChangeFlag     ();
122  Int   xGetBaseViewId            ( Int iBaseView );
123  Int   xGetViewId                 ( std::vector<Int> aiViewList, Int iBaseView );
124
125  Bool  xGetLeftRightView         ( Int iView, std::vector<Int> aiSortedViews, Int& riLeftView, Int& riRightView, Int& riLeftSortedViewIdx, Int& riRightSortedViewIdx );
126  Void  xGetPrevAndNextBaseView   ( Int iSourceViewNum, Int iTargetViewNum, Int& riPrevBaseViewNum, Int& riNextBaseViewNum );
127  Void  xGetZNearZFar             ( Int iView, UInt uiFrame, Double& rdZNear, Double& rdZFar );
128  Void  xGetGeometryData          ( Int dView, UInt uiFrame, Double& rdFocalLength, Double& rdPosition, Double& rdCameraShift, Bool& rbInterpolated );
129  Void  xSetupBaseViewsFromCoded  ();
130  Void  xSetupBaseViews           ( Char* pchBaseViewNumbers, UInt uiNumBaseViews );
131
132  // functions for getting and setting scales and offsets
133  Bool  xGetShiftParameterReal    ( UInt uiSourceView, UInt uiTargetView, UInt uiFrame, Bool bExternal, Bool bByIdx, Double& rdScale, Double& rdOffset );
134  Void  xGetShiftParameterCoded   ( UInt uiSourceView, UInt uiTargetView, UInt uiFrame,                 Bool bByIdx, Int&    riScale, Int&    riOffset );
135  Void  xGetShiftParameterInt     ( UInt uiSourceView, UInt uiTargetView, UInt uiFrame, Bool bExternal, Bool bByIdx, Int64&  riScale, Int64&  riOffset );
136  Void  xGetCodedCameraData       ( UInt uiSourceView, UInt uiTargetView, Bool bByIdx,  UInt uiFrame, Int& riScale, Int& riOffset, Int& riPrecision );
137
138  Void  xSetCodedScaleOffset      ( UInt uiFrame );
139  Void  xSetShiftParametersAndLUT ( UInt uiNumViewDim1, UInt uiNumViewDim2, UInt uiFrame, Bool bExternalReference, Double****& radLUT, Int****& raiLUT, Double***& radShiftParams, Int64***& raiShiftParams );
140  Void  xSetShiftParametersAndLUT ( UInt uiFrame );
141
142
143  // getting conversion parameters for disparity to virtual depth conversion
144  Void  xGetCameraShifts          ( UInt uiSourceView, UInt uiTargetView, UInt uiFrame, Double& rdCamPosShift, Double& rdPicPosShift );
145  Void  xSetPdmConversionParams   ();
146
147public:
148  // constructor and destructor
149  TAppComCamPara();
150  ~TAppComCamPara();
151
152  // initialization, check, and and update
153  Void init   ( UInt    uiNumBaseViews,
154                UInt    uiInputBitDepth,
155                UInt    uiCodedCamParsPrecision,
156                UInt    uiStartFrameId,
157                UInt    uiNumFrames,
158                Char*   pchCfgFileName,
159                Char*   pchBaseViewNumbers,
160                Char*   pchSynthViewNumbers,
161                std::vector<Int>* paiSynthViewNumbers,
162                Int     iLog2Precision );
163
164  Void init   ( UInt    uiInputBitDepth,
165                UInt    uiStartFrameId,
166                UInt    uiNumFrames,
167                Char*   pchCfgFileName,
168                Char*   pchSynthViewNumbers,
169                std::vector<Int>* paiSynthViewNumbers,
170                Int     iLog2Precision
171              );
172
173
174
175  Void check  ( Bool    bCheckViewRange,
176                Bool    bCheckFrameRange );
177  Void update ( UInt    uiFrameId );
178
179  // miscellaneous functions
180
181  Int                 synthRelNum2Idx           ( Int iRelNum );
182  Bool getLeftRightBaseView( Int iSynthViewIdx, Int &riLeftViewIdx, Int &riRightViewIdx, Int &riRelDistToLeft, Bool& rbIsBaseView );
183  Int                 getRelDistLeft            ( Int iSynthViewIdx, Int   iLeftViewIdx, Int iRightViewIdx );
184  UInt                getCurFrameId             ()  { return m_iCurrentFrameId;   }
185  static Void         convertNumberString       ( Char* pchViewNumberString, std::vector<Int>& raiViewNumbers, Double dViewNumPrec );
186
187  // function for getting parameters and parameter arrays
188  std::vector<Int>&   getBaseViewNumbers        ()  { return m_aiBaseViews;       }
189  std::vector<Int>&   getSortedBaseViewNumbers  ()  { return m_aiSortedBaseViews; }
190  std::vector<Int>&   getSynthViewNumbers       ()  { return m_aiSynthViews;      }
191  std::vector<Int>&   getRelSynthViewNumbers    ()  { return m_aiRelSynthViewsNum;}
192
193  std::vector<Int>&   getBaseId2SortedId        ()   { return m_aiBaseId2SortedId; }
194  std::vector<Int>&   getBaseSortedId2Id        ()   { return m_aiBaseSortedId2Id; }
195
196
197  Double***           getBaseViewShiftParameterD()  { return         m_adBaseViewShiftParameter;  }
198  Int***              getBaseViewShiftParameterI()  { return (Int***)m_aiBaseViewShiftParameter;  }
199
200  Double****          getSynthViewShiftLUTD     ()  { return m_adSynthViewShiftLUT;  }
201  Double****          getBaseViewShiftLUTD      ()  { return m_adBaseViewShiftLUT;   }
202  Int****             getSynthViewShiftLUTI     ()  { return m_aiSynthViewShiftLUT;  }
203  Int****             getBaseViewShiftLUTI      ()  { return m_aiBaseViewShiftLUT;   }
204
205  Bool                getVaryingCameraParameters()  { return m_bCamParsVaryOverTime;    }
206  UInt                getCamParsCodedPrecision  ()  { return m_uiCamParsCodedPrecision; }
207  std::vector<Int>&   getViewOrderIndex         ()  { return m_aiViewOrderIndex;        }
208  Int**               getCodedScale             ()  { return m_aaiCodedScale;           }
209  Int**               getCodedOffset            ()  { return m_aaiCodedOffset;          }
210
211  // parameters for virtual depth map generation
212  Int                 getPdmPrecision           ()  { return m_iPdmPrecision;           }
213  Int**               getPdmScaleNomDelta       ()  { return m_aaiPdmScaleNomDelta;     }
214  Int**               getPdmOffset              ()  { return m_aaiPdmOffset;            }
215};
216
217
218
219
220
221template <class T>
222Void TAppComCamPara::xDeleteArray( T*& rpt, UInt uiSize1, UInt uiSize2, UInt uiSize3 )
223{
224  if( rpt )
225  {
226    for( UInt uiK = 0; uiK < uiSize1; uiK++ )
227    {
228      for( UInt uiL = 0; uiL < uiSize2; uiL++ )
229      {
230        for( UInt uiM = 0; uiM < uiSize3; uiM++ )
231        {
232          delete[] rpt[ uiK ][ uiL ][ uiM ];
233        }
234        delete[] rpt[ uiK ][ uiL ];
235      }
236      delete[] rpt[ uiK ];
237    }
238    delete[] rpt;
239  }
240  rpt = NULL;
241};
242
243
244template <class T>
245Void TAppComCamPara::xDeleteArray( T*& rpt, UInt uiSize1, UInt uiSize2 )
246{
247  if( rpt )
248  {
249    for( UInt uiK = 0; uiK < uiSize1; uiK++ )
250    {
251      for( UInt uiL = 0; uiL < uiSize2; uiL++ )
252      {
253        delete[] rpt[ uiK ][ uiL ];
254      }
255      delete[] rpt[ uiK ];
256    }
257    delete[] rpt;
258  }
259  rpt = NULL;
260};
261
262
263template <class T>
264Void TAppComCamPara::xDeleteArray( T*& rpt, UInt uiSize )
265{
266  if( rpt )
267  {
268    for( UInt uiK = 0; uiK < uiSize; uiK++ )
269    {
270      delete[] rpt[ uiK ];
271    }
272    delete[] rpt;
273  }
274  rpt = NULL;
275};
276
277
278
279#endif // __TAPPCOMCAMPARA__
280
281
282
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