source: 3DVCSoftware/branches/HTM-DEV-0.3-dev1/source/Lib/TLibEncoder/TEncSbac.h @ 459

Last change on this file since 459 was 459, checked in by hhi, 11 years ago

Integation of depth intra methods in macro H_3D_DIM, including:

  • DMM coding modes in H_3D_DIM_DMM.
  • RBC coding mode in H_3D_DIM_RBC.
  • Property svn:eol-style set to native
File size: 10.7 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
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4 * granted under this license. 
5 *
6 * Copyright (c) 2010-2013, ITU/ISO/IEC
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33
34/** \file     TEncSbac.h
35    \brief    Context-adaptive entropy encoder class (header)
36*/
37
38#ifndef __TENCSBAC__
39#define __TENCSBAC__
40
41#if _MSC_VER > 1000
42#pragma once
43#endif // _MSC_VER > 1000
44
45#include "TLibCommon/TComBitStream.h"
46#include "TLibCommon/ContextTables.h"
47#include "TLibCommon/ContextModel.h"
48#include "TLibCommon/ContextModel3DBuffer.h"
49#include "TEncEntropy.h"
50#include "TEncBinCoder.h"
51#include "TEncBinCoderCABAC.h"
52#if FAST_BIT_EST
53#include "TEncBinCoderCABACCounter.h"
54#endif
55
56class TEncTop;
57
58//! \ingroup TLibEncoder
59//! \{
60
61// ====================================================================================================================
62// Class definition
63// ====================================================================================================================
64
65/// SBAC encoder class
66class TEncSbac : public TEncEntropyIf
67{
68public:
69  TEncSbac();
70  virtual ~TEncSbac();
71 
72  Void  init                   ( TEncBinIf* p )  { m_pcBinIf = p; }
73  Void  uninit                 ()                { m_pcBinIf = 0; }
74
75  //  Virtual list
76  Void  resetEntropy           ();
77  Void  determineCabacInitIdx  ();
78  Void  setBitstream           ( TComBitIf* p )  { m_pcBitIf = p; m_pcBinIf->init( p ); }
79  Void  setSlice               ( TComSlice* p )  { m_pcSlice = p;                       }
80  // SBAC RD
81  Void  resetCoeffCost         ()                { m_uiCoeffCost = 0;  }
82  UInt  getCoeffCost           ()                { return  m_uiCoeffCost;  }
83 
84  Void  load                   ( TEncSbac* pScr  );
85  Void  loadIntraDirModeLuma   ( TEncSbac* pScr  );
86#if H_3D_DIM
87  Void  loadIntraDepthMode     ( TEncSbac* pScr  );
88#endif
89  Void  store                  ( TEncSbac* pDest );
90  Void  loadContexts           ( TEncSbac* pScr  );
91  Void  resetBits              ()                { m_pcBinIf->resetBits(); m_pcBitIf->resetBits(); }
92  UInt  getNumberOfWrittenBits ()                { return m_pcBinIf->getNumWrittenBits(); }
93  //--SBAC RD
94
95  Void  codeVPS                 ( TComVPS* pcVPS );
96#if !H_3D
97  Void  codeSPS                 ( TComSPS* pcSPS     );
98#else
99  Void  codeSPS                 ( TComSPS* pcSPS, Int viewIndex, Bool depthFlag );
100#endif
101  Void  codePPS                 ( TComPPS* pcPPS     );
102  Void  codeSliceHeader         ( TComSlice* pcSlice );
103  Void  codeTilesWPPEntryPoint( TComSlice* pSlice );
104  Void  codeTerminatingBit      ( UInt uilsLast      );
105  Void  codeSliceFinish         ();
106  Void  codeSaoMaxUvlc    ( UInt code, UInt maxSymbol );
107  Void  codeSaoMerge  ( UInt  uiCode );
108  Void  codeSaoTypeIdx    ( UInt  uiCode);
109  Void  codeSaoUflc       ( UInt uiLength, UInt  uiCode );
110  Void  codeSAOSign       ( UInt  uiCode);  //<! code SAO offset sign
111  Void  codeScalingList      ( TComScalingList* /*scalingList*/     ){ assert (0);  return;};
112
113private:
114  Void  xWriteUnarySymbol    ( UInt uiSymbol, ContextModel* pcSCModel, Int iOffset );
115  Void  xWriteUnaryMaxSymbol ( UInt uiSymbol, ContextModel* pcSCModel, Int iOffset, UInt uiMaxSymbol );
116  Void  xWriteEpExGolomb     ( UInt uiSymbol, UInt uiCount );
117  Void  xWriteCoefRemainExGolomb ( UInt symbol, UInt &rParam );
118  #if H_3D_DIM
119  Void  xWriteExGolombLevel  ( UInt uiSymbol, ContextModel& rcSCModel  );
120  Void  xCodeDimDeltaDC      ( Pel valDeltaDC, UInt dimType );
121#if H_3D_DIM_DMM
122  Void  xCodeDmm1WedgeIdx    ( UInt uiTabIdx, Int iNumBit );
123  Void  xCodeDmm2Offset      ( Int iOffset );
124  Void  xCodeDmm3WedgeIdx    ( UInt uiIntraIdx, Int iNumBit );
125#endif
126#if H_3D_DIM_RBC
127  Void  xCodeRbcEdge         ( TComDataCU* pcCU, UInt uiAbsPartIdx );
128#endif
129#endif
130 
131  Void  xCopyFrom            ( TEncSbac* pSrc );
132  Void  xCopyContextsFrom    ( TEncSbac* pSrc ); 
133 
134  Void codeDFFlag( UInt /*uiCode*/, const Char* /*pSymbolName*/ )       {printf("Not supported in codeDFFlag()\n"); assert(0); exit(1);};
135  Void codeDFSvlc( Int /*iCode*/, const Char* /*pSymbolName*/ )         {printf("Not supported in codeDFSvlc()\n"); assert(0); exit(1);};
136
137protected:
138  TComBitIf*    m_pcBitIf;
139  TComSlice*    m_pcSlice;
140  TEncBinIf*    m_pcBinIf;
141  //SBAC RD
142  UInt          m_uiCoeffCost;
143
144  //--Adaptive loop filter
145 
146public:
147  Void codeCUTransquantBypassFlag( TComDataCU* pcCU, UInt uiAbsPartIdx );
148  Void codeSkipFlag      ( TComDataCU* pcCU, UInt uiAbsPartIdx );
149  Void codeMergeFlag     ( TComDataCU* pcCU, UInt uiAbsPartIdx );
150  Void codeMergeIndex    ( TComDataCU* pcCU, UInt uiAbsPartIdx );
151  Void codeSplitFlag     ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
152  Void codeMVPIdx        ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList );
153 
154  Void codePartSize      ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
155  Void codePredMode      ( TComDataCU* pcCU, UInt uiAbsPartIdx );
156  Void codeIPCMInfo      ( TComDataCU* pcCU, UInt uiAbsPartIdx );
157  Void codeTransformSubdivFlag ( UInt uiSymbol, UInt uiCtx );
158  Void codeQtCbf               ( TComDataCU* pcCU, UInt uiAbsPartIdx, TextType eType, UInt uiTrDepth );
159  Void codeQtRootCbf           ( TComDataCU* pcCU, UInt uiAbsPartIdx );
160  Void codeQtCbfZero           ( TComDataCU* pcCU, TextType eType, UInt uiTrDepth );
161  Void codeQtRootCbfZero       ( TComDataCU* pcCU );
162  Void codeIntraDirLumaAng     ( TComDataCU* pcCU, UInt absPartIdx, Bool isMultiple);
163 
164  Void codeIntraDirChroma      ( TComDataCU* pcCU, UInt uiAbsPartIdx );
165
166#if H_3D_DIM
167  Void codeIntraDepth          ( TComDataCU* pcCU, UInt absPartIdx, Bool sdcRD = false );
168  Void codeIntraDepthMode      ( TComDataCU* pcCU, UInt absPartIdx );
169#endif
170
171  Void codeInterDir            ( TComDataCU* pcCU, UInt uiAbsPartIdx );
172  Void codeRefFrmIdx           ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList );
173  Void codeMvd                 ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList );
174 
175  Void codeDeltaQP             ( TComDataCU* pcCU, UInt uiAbsPartIdx );
176 
177  Void codeLastSignificantXY ( UInt uiPosX, UInt uiPosY, Int width, Int height, TextType eTType, UInt uiScanIdx );
178  Void codeCoeffNxN            ( TComDataCU* pcCU, TCoeff* pcCoef, UInt uiAbsPartIdx, UInt uiWidth, UInt uiHeight, UInt uiDepth, TextType eTType );
179  void codeTransformSkipFlags ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt width, UInt height, TextType eTType );
180
181  // -------------------------------------------------------------------------------------------------------------------
182  // for RD-optimizatioon
183  // -------------------------------------------------------------------------------------------------------------------
184 
185  Void estBit               (estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, TextType eTType);
186  Void estCBFBit                     ( estBitsSbacStruct* pcEstBitsSbac );
187  Void estSignificantCoeffGroupMapBit( estBitsSbacStruct* pcEstBitsSbac, TextType eTType );
188  Void estSignificantMapBit          ( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, TextType eTType );
189  Void estSignificantCoefficientsBit ( estBitsSbacStruct* pcEstBitsSbac, TextType eTType );
190 
191  Void updateContextTables           ( SliceType eSliceType, Int iQp, Bool bExecuteFinish=true  );
192  Void updateContextTables           ( SliceType eSliceType, Int iQp  ) { this->updateContextTables( eSliceType, iQp, true); };
193 
194  TEncBinIf* getEncBinIf()  { return m_pcBinIf; }
195private:
196  UInt                 m_uiLastQp;
197 
198  ContextModel         m_contextModels[MAX_NUM_CTX_MOD];
199  Int                  m_numContextModels;
200  ContextModel3DBuffer m_cCUSplitFlagSCModel;
201  ContextModel3DBuffer m_cCUSkipFlagSCModel;
202  ContextModel3DBuffer m_cCUMergeFlagExtSCModel;
203  ContextModel3DBuffer m_cCUMergeIdxExtSCModel;
204  ContextModel3DBuffer m_cCUPartSizeSCModel;
205  ContextModel3DBuffer m_cCUPredModeSCModel;
206  ContextModel3DBuffer m_cCUIntraPredSCModel;
207  ContextModel3DBuffer m_cCUChromaPredSCModel;
208  ContextModel3DBuffer m_cCUDeltaQpSCModel;
209  ContextModel3DBuffer m_cCUInterDirSCModel;
210  ContextModel3DBuffer m_cCURefPicSCModel;
211  ContextModel3DBuffer m_cCUMvdSCModel;
212  ContextModel3DBuffer m_cCUQtCbfSCModel;
213  ContextModel3DBuffer m_cCUTransSubdivFlagSCModel;
214  ContextModel3DBuffer m_cCUQtRootCbfSCModel;
215 
216  ContextModel3DBuffer m_cCUSigCoeffGroupSCModel;
217  ContextModel3DBuffer m_cCUSigSCModel;
218  ContextModel3DBuffer m_cCuCtxLastX;
219  ContextModel3DBuffer m_cCuCtxLastY;
220  ContextModel3DBuffer m_cCUOneSCModel;
221  ContextModel3DBuffer m_cCUAbsSCModel;
222 
223  ContextModel3DBuffer m_cMVPIdxSCModel;
224 
225  ContextModel3DBuffer m_cCUAMPSCModel;
226  ContextModel3DBuffer m_cSaoMergeSCModel;
227  ContextModel3DBuffer m_cSaoTypeIdxSCModel;
228  ContextModel3DBuffer m_cTransformSkipSCModel;
229  ContextModel3DBuffer m_CUTransquantBypassFlagSCModel;
230
231#if H_3D_DIM
232  ContextModel3DBuffer m_cDepthIntraModeSCModel;
233  ContextModel3DBuffer m_cDdcFlagSCModel;
234  ContextModel3DBuffer m_cDdcDataSCModel;
235#if H_3D_DIM_DMM
236  ContextModel3DBuffer m_cDmm1DataSCModel;
237  ContextModel3DBuffer m_cDmm2DataSCModel;
238  ContextModel3DBuffer m_cDmm3DataSCModel;
239#endif
240#if H_3D_DIM_RBC
241  ContextModel3DBuffer m_cRbcDataSCModel;
242#endif
243#endif
244};
245
246//! \}
247
248#endif // !defined(AFX_TENCSBAC_H__DDA7CDC4_EDE3_4015_9D32_2156249C82AA__INCLUDED_)
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