source: 3DVCSoftware/branches/HTM-DEV-2.0-dev0/source/Lib/TLibEncoder/TEncSbac.h

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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
3 * and contributor rights, including patent rights, and no such rights are
4 * granted under this license. 
5 *
6 * Copyright (c) 2010-2013, 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     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#if !SEC_DMM2_E0146
124  Void  xCodeDmm2Offset      ( Int iOffset );
125#endif
126  Void  xCodeDmm3WedgeIdx    ( UInt uiIntraIdx, Int iNumBit );
127#endif
128#if H_3D_DIM_RBC
129  Void  xCodeRbcEdge         ( TComDataCU* pcCU, UInt uiAbsPartIdx );
130#endif
131#if H_3D_DIM_SDC
132  Void  xCodeSDCResidualData ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiSegment );
133#endif
134#endif
135 
136  Void  xCopyFrom            ( TEncSbac* pSrc );
137  Void  xCopyContextsFrom    ( TEncSbac* pSrc ); 
138 
139  Void codeDFFlag( UInt /*uiCode*/, const Char* /*pSymbolName*/ )       {printf("Not supported in codeDFFlag()\n"); assert(0); exit(1);};
140  Void codeDFSvlc( Int /*iCode*/, const Char* /*pSymbolName*/ )         {printf("Not supported in codeDFSvlc()\n"); assert(0); exit(1);};
141
142protected:
143  TComBitIf*    m_pcBitIf;
144  TComSlice*    m_pcSlice;
145  TEncBinIf*    m_pcBinIf;
146  //SBAC RD
147  UInt          m_uiCoeffCost;
148
149  //--Adaptive loop filter
150 
151public:
152  Void codeCUTransquantBypassFlag( TComDataCU* pcCU, UInt uiAbsPartIdx );
153  Void codeSkipFlag      ( TComDataCU* pcCU, UInt uiAbsPartIdx );
154  Void codeMergeFlag     ( TComDataCU* pcCU, UInt uiAbsPartIdx );
155  Void codeMergeIndex    ( TComDataCU* pcCU, UInt uiAbsPartIdx );
156#if H_3D_ARP
157  Void codeARPW          ( TComDataCU* pcCU, UInt uiAbsPartIdx );
158#endif
159#if H_3D_IC
160  Void codeICFlag        ( TComDataCU* pcCU, UInt uiAbsPartIdx );
161#endif
162#if LGE_INTER_SDC_E0156
163  Void codeInterSDCFlag  ( TComDataCU* pcCU, UInt uiAbsPartIdx );
164  Void codeInterSDCResidualData  ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiSegment );
165#endif
166  Void codeSplitFlag     ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
167  Void codeMVPIdx        ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList );
168 
169  Void codePartSize      ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
170  Void codePredMode      ( TComDataCU* pcCU, UInt uiAbsPartIdx );
171  Void codeIPCMInfo      ( TComDataCU* pcCU, UInt uiAbsPartIdx );
172  Void codeTransformSubdivFlag ( UInt uiSymbol, UInt uiCtx );
173  Void codeQtCbf               ( TComDataCU* pcCU, UInt uiAbsPartIdx, TextType eType, UInt uiTrDepth );
174  Void codeQtRootCbf           ( TComDataCU* pcCU, UInt uiAbsPartIdx );
175  Void codeQtCbfZero           ( TComDataCU* pcCU, TextType eType, UInt uiTrDepth );
176  Void codeQtRootCbfZero       ( TComDataCU* pcCU );
177  Void codeIntraDirLumaAng     ( TComDataCU* pcCU, UInt absPartIdx, Bool isMultiple);
178 
179  Void codeIntraDirChroma      ( TComDataCU* pcCU, UInt uiAbsPartIdx );
180
181#if H_3D_DIM
182  Void codeIntraDepth          ( TComDataCU* pcCU, UInt absPartIdx );
183  Void codeIntraDepthMode      ( TComDataCU* pcCU, UInt absPartIdx );
184#endif
185
186  Void codeInterDir            ( TComDataCU* pcCU, UInt uiAbsPartIdx );
187  Void codeRefFrmIdx           ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList );
188  Void codeMvd                 ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList );
189 
190  Void codeDeltaQP             ( TComDataCU* pcCU, UInt uiAbsPartIdx );
191 
192  Void codeLastSignificantXY ( UInt uiPosX, UInt uiPosY, Int width, Int height, TextType eTType, UInt uiScanIdx );
193  Void codeCoeffNxN            ( TComDataCU* pcCU, TCoeff* pcCoef, UInt uiAbsPartIdx, UInt uiWidth, UInt uiHeight, UInt uiDepth, TextType eTType );
194  void codeTransformSkipFlags ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt width, UInt height, TextType eTType );
195
196  // -------------------------------------------------------------------------------------------------------------------
197  // for RD-optimizatioon
198  // -------------------------------------------------------------------------------------------------------------------
199 
200  Void estBit               (estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, TextType eTType);
201  Void estCBFBit                     ( estBitsSbacStruct* pcEstBitsSbac );
202  Void estSignificantCoeffGroupMapBit( estBitsSbacStruct* pcEstBitsSbac, TextType eTType );
203  Void estSignificantMapBit          ( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, TextType eTType );
204  Void estSignificantCoefficientsBit ( estBitsSbacStruct* pcEstBitsSbac, TextType eTType );
205 
206  Void updateContextTables           ( SliceType eSliceType, Int iQp, Bool bExecuteFinish=true  );
207  Void updateContextTables           ( SliceType eSliceType, Int iQp  ) { this->updateContextTables( eSliceType, iQp, true); };
208 
209  TEncBinIf* getEncBinIf()  { return m_pcBinIf; }
210private:
211  UInt                 m_uiLastQp;
212 
213  ContextModel         m_contextModels[MAX_NUM_CTX_MOD];
214  Int                  m_numContextModels;
215  ContextModel3DBuffer m_cCUSplitFlagSCModel;
216  ContextModel3DBuffer m_cCUSkipFlagSCModel;
217  ContextModel3DBuffer m_cCUMergeFlagExtSCModel;
218  ContextModel3DBuffer m_cCUMergeIdxExtSCModel;
219#if H_3D_ARP
220  ContextModel3DBuffer m_cCUPUARPWSCModel;
221#endif
222#if H_3D_IC
223  ContextModel3DBuffer m_cCUICFlagSCModel;
224#endif
225  ContextModel3DBuffer m_cCUPartSizeSCModel;
226  ContextModel3DBuffer m_cCUPredModeSCModel;
227  ContextModel3DBuffer m_cCUIntraPredSCModel;
228  ContextModel3DBuffer m_cCUChromaPredSCModel;
229  ContextModel3DBuffer m_cCUDeltaQpSCModel;
230  ContextModel3DBuffer m_cCUInterDirSCModel;
231  ContextModel3DBuffer m_cCURefPicSCModel;
232  ContextModel3DBuffer m_cCUMvdSCModel;
233  ContextModel3DBuffer m_cCUQtCbfSCModel;
234  ContextModel3DBuffer m_cCUTransSubdivFlagSCModel;
235  ContextModel3DBuffer m_cCUQtRootCbfSCModel;
236 
237  ContextModel3DBuffer m_cCUSigCoeffGroupSCModel;
238  ContextModel3DBuffer m_cCUSigSCModel;
239  ContextModel3DBuffer m_cCuCtxLastX;
240  ContextModel3DBuffer m_cCuCtxLastY;
241  ContextModel3DBuffer m_cCUOneSCModel;
242  ContextModel3DBuffer m_cCUAbsSCModel;
243 
244  ContextModel3DBuffer m_cMVPIdxSCModel;
245 
246  ContextModel3DBuffer m_cCUAMPSCModel;
247  ContextModel3DBuffer m_cSaoMergeSCModel;
248  ContextModel3DBuffer m_cSaoTypeIdxSCModel;
249  ContextModel3DBuffer m_cTransformSkipSCModel;
250  ContextModel3DBuffer m_CUTransquantBypassFlagSCModel;
251
252#if H_3D_DIM
253  ContextModel3DBuffer m_cDepthIntraModeSCModel;
254  ContextModel3DBuffer m_cDdcFlagSCModel;
255  ContextModel3DBuffer m_cDdcDataSCModel;
256#if H_3D_DIM_DMM
257  ContextModel3DBuffer m_cDmm1DataSCModel;
258#if !SEC_DMM2_E0146
259  ContextModel3DBuffer m_cDmm2DataSCModel;
260#endif
261  ContextModel3DBuffer m_cDmm3DataSCModel;
262#endif
263#if H_3D_DIM_RBC
264  ContextModel3DBuffer m_cRbcDataSCModel;
265#endif
266#if H_3D_DIM_SDC 
267  ContextModel3DBuffer m_cSDCResidualFlagSCModel;
268  ContextModel3DBuffer m_cSDCResidualSCModel;
269#endif
270#endif
271#if LGE_INTER_SDC_E0156
272  ContextModel3DBuffer m_cInterSDCFlagSCModel;
273  ContextModel3DBuffer m_cInterSDCResidualSCModel;
274  ContextModel3DBuffer m_cInterSDCResidualSignFlagSCModel;
275#endif
276};
277
278//! \}
279
280#endif // !defined(AFX_TENCSBAC_H__DDA7CDC4_EDE3_4015_9D32_2156249C82AA__INCLUDED_)
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