source: 3DVCSoftware/branches/HTM-4.1-dev1-Qualcomm/source/Lib/TAppCommon/TAppComCamPara.h @ 361

Last change on this file since 361 was 102, checked in by tech, 12 years ago

SAIT_VSO_EST_A0033 code improvement
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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
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4 * granted under this license.
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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#if SAIT_VSO_EST_A0033
70  Double              m_dDispCoeff;
71#endif
72
73  // view lists
74  std::vector<Int>    m_aiViewsInCfgFile;                     ///< views for which parameters are specified in cfg file (from left to right)
75  std::vector<Int>    m_aiSynthViews;                         ///< View numbers of External ViewReferences
76  std::vector<Int>    m_aiRelSynthViewsNum;                   ///< Relative view numbers of External ViewReferences
77  std::vector<Int>    m_aiBaseViews;                          ///< View numbers of Base View References (in coding order)
78  std::vector<Int>    m_aiSortedBaseViews;                    ///< View numbers of Base View References (from left to right)
79  std::vector<Int>    m_aiBaseId2SortedId;                    ///< mapping from coding order to left-right order for base views
80  std::vector<Int>    m_aiBaseSortedId2Id;                    ///< mapping from left-right order to coding order for base views
81  Int                 m_iNumberOfBaseViews;                   ///< number of base views
82  Int                 m_iNumberOfSynthViews;                  ///< number of synthesized views
83
84  // SPS and slice header related variables
85  std::vector<Int>    m_aiViewOrderIndex;                     ///< list of view order indices
86  UInt                m_uiCamParsCodedPrecision;              ///< precision for coding of camera parameters (x: max error in disparity is 2^(-x) luma samples)
87  Bool                m_bCamParsVaryOverTime;                 ///< flag specifying whether camera parameters vary for given frame numbers
88  Int**               m_aaiCodedScale;                        ///< array of coded scaling parameters [RefView][TargetView]
89  Int**               m_aaiCodedOffset;                       ///< array of coded offset  parameters [RefView][TargetView]
90  Int**               m_aaiScaleAndOffsetSet;                 ///< array indicating whether scale and offset have been set
91
92  // parameters for virtual depth map generation
93  Int                 m_iPdmPrecision;                        ///< additional precision for disparity - virtual depth conversion
94  Int**               m_aaiPdmScaleNomDelta;                  ///< [TargetView][RefView] delta for nominator of scale factor
95  Int**               m_aaiPdmOffset;                         ///< [TargetView][RefView] offset parameter
96
97  // scale and offset parameters
98  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
99  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? */
100  Double***           m_adSynthViewShiftParameter;            ///< ShiftParameters between BaseViews and ERViews e.g. [2][1][0] shift scale from base view 2 to er view 1;
101  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? */
102
103  // look-up tables
104  Double****          m_adBaseViewShiftLUT;                    ///< Disparity LUT
105  Int****             m_aiBaseViewShiftLUT;                    ///< Disparity LUT
106  Double****          m_adSynthViewShiftLUT;                   ///< Disparity LUT
107  Int****             m_aiSynthViewShiftLUT;                   ///< Disparity LUT
108
109
110protected:
111  // create and delete arrays
112  Void                    xCreateLUTs   ( UInt uiNumberSourceViews, UInt uiNumberTargetViews, Double****& radLUT, Int****& raiLUT, Double***& radShiftParams, Int64***& raiShiftParams );
113  Void                    xCreate2dArray( UInt uiNum1Ids, UInt uiNum2Ids, Int**& raaiArray );
114  Void                    xInit2dArray  ( UInt uiNum1Ids, UInt uiNum2Ids, Int**& raaiArray, Int iValue );
115  template<class T> Void  xDeleteArray  ( T*& rpt, UInt uiSize1, UInt uiSize2, UInt uiSize3 );
116  template<class T> Void  xDeleteArray  ( T*& rpt, UInt uiSize1, UInt uiSize2 );
117  template<class T> Void  xDeleteArray  ( T*& rpt, UInt uiSize );
118
119  // functions for reading, initialization, sorting, getting data, etc.
120  Void  xReadCameraParameterFile  ( Char* pchCfgFileName );
121  Bool  xGetCameraDataRow         ( Int iView, UInt uiFrame, UInt& ruiFoundLine );
122
123  Void  xGetSortedViewList        ( const std::vector<Int>& raiViews, std::vector<Int>& raiSortedViews, std::vector<Int>& raiId2SortedId, std::vector<Int>& raiSortedId2Id );
124  Void  xGetViewOrderIndices      ( const std::vector<Int>& raiId2SortedId, std::vector<Int>& raiVOIdx );
125  Bool  xGetCamParsChangeFlag     ();
126  Int   xGetBaseViewId            ( Int iBaseView );
127  Int   xGetViewId                 ( std::vector<Int> aiViewList, Int iBaseView );
128
129  Bool  xGetLeftRightView         ( Int iView, std::vector<Int> aiSortedViews, Int& riLeftView, Int& riRightView, Int& riLeftSortedViewIdx, Int& riRightSortedViewIdx );
130  Void  xGetPrevAndNextBaseView   ( Int iSourceViewNum, Int iTargetViewNum, Int& riPrevBaseViewNum, Int& riNextBaseViewNum );
131  Void  xGetZNearZFar             ( Int iView, UInt uiFrame, Double& rdZNear, Double& rdZFar );
132  Void  xGetGeometryData          ( Int dView, UInt uiFrame, Double& rdFocalLength, Double& rdPosition, Double& rdCameraShift, Bool& rbInterpolated );
133  Void  xSetupBaseViewsFromCoded  ();
134  Void  xSetupBaseViews           ( Char* pchBaseViewNumbers, UInt uiNumBaseViews );
135
136  // functions for getting and setting scales and offsets
137  Bool  xGetShiftParameterReal    ( UInt uiSourceView, UInt uiTargetView, UInt uiFrame, Bool bExternal, Bool bByIdx, Double& rdScale, Double& rdOffset );
138  Void  xGetShiftParameterCoded   ( UInt uiSourceView, UInt uiTargetView, UInt uiFrame,                 Bool bByIdx, Int&    riScale, Int&    riOffset );
139  Void  xGetShiftParameterInt     ( UInt uiSourceView, UInt uiTargetView, UInt uiFrame, Bool bExternal, Bool bByIdx, Int64&  riScale, Int64&  riOffset );
140  Void  xGetCodedCameraData       ( UInt uiSourceView, UInt uiTargetView, Bool bByIdx,  UInt uiFrame, Int& riScale, Int& riOffset, Int& riPrecision );
141
142  Void  xSetCodedScaleOffset      ( UInt uiFrame );
143  Void  xSetShiftParametersAndLUT ( UInt uiNumViewDim1, UInt uiNumViewDim2, UInt uiFrame, Bool bExternalReference, Double****& radLUT, Int****& raiLUT, Double***& radShiftParams, Int64***& raiShiftParams );
144  Void  xSetShiftParametersAndLUT ( UInt uiFrame );
145
146
147  // getting conversion parameters for disparity to virtual depth conversion
148  Void  xGetCameraShifts          ( UInt uiSourceView, UInt uiTargetView, UInt uiFrame, Double& rdCamPosShift, Double& rdPicPosShift );
149  Void  xSetPdmConversionParams   ();
150
151public:
152  // constructor and destructor
153  TAppComCamPara();
154  ~TAppComCamPara();
155
156  // initialization, check, and and update
157  Void init   ( UInt    uiNumBaseViews,
158                UInt    uiInputBitDepth,
159                UInt    uiCodedCamParsPrecision,
160                UInt    uiStartFrameId,
161                UInt    uiNumFrames,
162                Char*   pchCfgFileName,
163                Char*   pchBaseViewNumbers,
164                Char*   pchSynthViewNumbers,
165                std::vector<Int>* paiSynthViewNumbers,
166                Int     iLog2Precision );
167
168  Void init   ( UInt    uiInputBitDepth,
169                UInt    uiStartFrameId,
170                UInt    uiNumFrames,
171                Char*   pchCfgFileName,
172                Char*   pchSynthViewNumbers,
173                std::vector<Int>* paiSynthViewNumbers,
174                Int     iLog2Precision
175              );
176
177
178
179  Void check  ( Bool    bCheckViewRange,
180                Bool    bCheckFrameRange );
181  Void update ( UInt    uiFrameId );
182
183  // miscellaneous functions
184
185  Int                 synthRelNum2Idx           ( Int iRelNum );
186  Bool getLeftRightBaseView( Int iSynthViewIdx, Int &riLeftViewIdx, Int &riRightViewIdx, Int &riRelDistToLeft, Bool& rbIsBaseView );
187  Int                 getRelDistLeft            ( Int iSynthViewIdx, Int   iLeftViewIdx, Int iRightViewIdx );
188  UInt                getCurFrameId             ()  { return m_iCurrentFrameId;   }
189  static Void         convertNumberString       ( Char* pchViewNumberString, std::vector<Int>& raiViewNumbers, Double dViewNumPrec );
190
191#if SAIT_VSO_EST_A0033
192  Void xSetDispCoeff( UInt uiStartFrameId, Int iViewIdx );
193  Double getDispCoeff() { return m_dDispCoeff; }
194#endif
195
196  // function for getting parameters and parameter arrays
197  std::vector<Int>&   getBaseViewNumbers        ()  { return m_aiBaseViews;       }
198  std::vector<Int>&   getSortedBaseViewNumbers  ()  { return m_aiSortedBaseViews; }
199  std::vector<Int>&   getSynthViewNumbers       ()  { return m_aiSynthViews;      }
200  std::vector<Int>&   getRelSynthViewNumbers    ()  { return m_aiRelSynthViewsNum;}
201
202  std::vector<Int>&   getBaseId2SortedId        ()   { return m_aiBaseId2SortedId; }
203  std::vector<Int>&   getBaseSortedId2Id        ()   { return m_aiBaseSortedId2Id; }
204
205
206  Double***           getBaseViewShiftParameterD()  { return         m_adBaseViewShiftParameter;  }
207  Int***              getBaseViewShiftParameterI()  { return (Int***)m_aiBaseViewShiftParameter;  }
208
209  Double****          getSynthViewShiftLUTD     ()  { return m_adSynthViewShiftLUT;  }
210  Double****          getBaseViewShiftLUTD      ()  { return m_adBaseViewShiftLUT;   }
211  Int****             getSynthViewShiftLUTI     ()  { return m_aiSynthViewShiftLUT;  }
212  Int****             getBaseViewShiftLUTI      ()  { return m_aiBaseViewShiftLUT;   }
213
214  Bool                getVaryingCameraParameters()  { return m_bCamParsVaryOverTime;    }
215  UInt                getCamParsCodedPrecision  ()  { return m_uiCamParsCodedPrecision; }
216  std::vector<Int>&   getViewOrderIndex         ()  { return m_aiViewOrderIndex;        }
217  Int**               getCodedScale             ()  { return m_aaiCodedScale;           }
218  Int**               getCodedOffset            ()  { return m_aaiCodedOffset;          }
219
220  // parameters for virtual depth map generation
221  Int                 getPdmPrecision           ()  { return m_iPdmPrecision;           }
222  Int**               getPdmScaleNomDelta       ()  { return m_aaiPdmScaleNomDelta;     }
223  Int**               getPdmOffset              ()  { return m_aaiPdmOffset;            }
224};
225
226
227
228
229
230template <class T>
231Void TAppComCamPara::xDeleteArray( T*& rpt, UInt uiSize1, UInt uiSize2, UInt uiSize3 )
232{
233  if( rpt )
234  {
235    for( UInt uiK = 0; uiK < uiSize1; uiK++ )
236    {
237      for( UInt uiL = 0; uiL < uiSize2; uiL++ )
238      {
239        for( UInt uiM = 0; uiM < uiSize3; uiM++ )
240        {
241          delete[] rpt[ uiK ][ uiL ][ uiM ];
242        }
243        delete[] rpt[ uiK ][ uiL ];
244      }
245      delete[] rpt[ uiK ];
246    }
247    delete[] rpt;
248  }
249  rpt = NULL;
250};
251
252
253template <class T>
254Void TAppComCamPara::xDeleteArray( T*& rpt, UInt uiSize1, UInt uiSize2 )
255{
256  if( rpt )
257  {
258    for( UInt uiK = 0; uiK < uiSize1; uiK++ )
259    {
260      for( UInt uiL = 0; uiL < uiSize2; uiL++ )
261      {
262        delete[] rpt[ uiK ][ uiL ];
263      }
264      delete[] rpt[ uiK ];
265    }
266    delete[] rpt;
267  }
268  rpt = NULL;
269};
270
271
272template <class T>
273Void TAppComCamPara::xDeleteArray( T*& rpt, UInt uiSize )
274{
275  if( rpt )
276  {
277    for( UInt uiK = 0; uiK < uiSize; uiK++ )
278    {
279      delete[] rpt[ uiK ];
280    }
281    delete[] rpt;
282  }
283  rpt = NULL;
284};
285
286
287
288#endif // __TAPPCOMCAMPARA__
289
290
291
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