source: 3DVCSoftware/branches/HTM-12.2-dev2-Samsung/source/Lib/TLibEncoder/TEncSbac.h @ 1417

Last change on this file since 1417 was 1084, checked in by tech, 10 years ago

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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) 2010-2014, 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
113  Void codeSAOOffsetParam(Int compIdx, SAOOffset& ctbParam, Bool sliceEnabled);
114  Void codeSAOBlkParam(SAOBlkParam& saoBlkParam
115                    , Bool* sliceEnabled
116                    , Bool leftMergeAvail
117                    , Bool aboveMergeAvail
118                    , Bool onlyEstMergeInfo = false
119                    );
120
121private:
122  Void  xWriteUnarySymbol    ( UInt uiSymbol, ContextModel* pcSCModel, Int iOffset );
123  Void  xWriteUnaryMaxSymbol ( UInt uiSymbol, ContextModel* pcSCModel, Int iOffset, UInt uiMaxSymbol );
124  Void  xWriteEpExGolomb     ( UInt uiSymbol, UInt uiCount );
125  Void  xWriteCoefRemainExGolomb ( UInt symbol, UInt &rParam );
126#if H_3D_DIM
127  Void  xWriteExGolombLevel  ( UInt uiSymbol, ContextModel& rcSCModel  );
128  Void  xCodeDimDeltaDC      ( Pel valDeltaDC, UInt uiNumSeg );
129#if H_3D_DIM_DMM
130  Void  xCodeDmm1WedgeIdx    ( UInt uiTabIdx, Int iNumBit );
131#endif
132#endif
133 
134  Void  xCopyFrom            ( TEncSbac* pSrc );
135  Void  xCopyContextsFrom    ( TEncSbac* pSrc ); 
136 
137  Void codeDFFlag( UInt /*uiCode*/, const Char* /*pSymbolName*/ )       {printf("Not supported in codeDFFlag()\n"); assert(0); exit(1);};
138  Void codeDFSvlc( Int /*iCode*/, const Char* /*pSymbolName*/ )         {printf("Not supported in codeDFSvlc()\n"); assert(0); exit(1);};
139
140protected:
141  TComBitIf*    m_pcBitIf;
142  TComSlice*    m_pcSlice;
143  TEncBinIf*    m_pcBinIf;
144  //SBAC RD
145  UInt          m_uiCoeffCost;
146
147  //--Adaptive loop filter
148 
149public:
150  Void codeCUTransquantBypassFlag( TComDataCU* pcCU, UInt uiAbsPartIdx );
151  Void codeSkipFlag      ( TComDataCU* pcCU, UInt uiAbsPartIdx );
152#if H_3D_SINGLE_DEPTH
153  Void codeSingleDepthMode( TComDataCU* pcCU, UInt uiAbsPartIdx );
154#endif
155  Void codeMergeFlag     ( TComDataCU* pcCU, UInt uiAbsPartIdx );
156  Void codeMergeIndex    ( TComDataCU* pcCU, UInt uiAbsPartIdx );
157#if H_3D_ARP
158  Void codeARPW          ( TComDataCU* pcCU, UInt uiAbsPartIdx );
159#endif
160#if H_3D_IC
161  Void codeICFlag        ( TComDataCU* pcCU, UInt uiAbsPartIdx );
162#endif
163#if H_3D_INTER_SDC
164  Void codeDeltaDC       ( TComDataCU* pcCU, UInt absPartIdx );
165  Void codeSDCFlag       ( TComDataCU* pcCU, UInt uiAbsPartIdx );
166#endif
167#if H_3D_DBBP
168  Void codeDBBPFlag      ( TComDataCU* pcCU, UInt uiAbsPartIdx );
169#endif
170  Void codeSplitFlag     ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
171  Void codeMVPIdx        ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList );
172 
173  Void codePartSize      ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
174  Void codePredMode      ( TComDataCU* pcCU, UInt uiAbsPartIdx );
175  Void codeIPCMInfo      ( TComDataCU* pcCU, UInt uiAbsPartIdx );
176  Void codeTransformSubdivFlag ( UInt uiSymbol, UInt uiCtx );
177  Void codeQtCbf               ( TComDataCU* pcCU, UInt uiAbsPartIdx, TextType eType, UInt uiTrDepth );
178  Void codeQtRootCbf           ( TComDataCU* pcCU, UInt uiAbsPartIdx );
179  Void codeQtCbfZero           ( TComDataCU* pcCU, TextType eType, UInt uiTrDepth );
180  Void codeQtRootCbfZero       ( TComDataCU* pcCU );
181  Void codeIntraDirLumaAng     ( TComDataCU* pcCU, UInt absPartIdx, Bool isMultiple);
182 
183  Void codeIntraDirChroma      ( TComDataCU* pcCU, UInt uiAbsPartIdx );
184
185#if H_3D_DIM
186  Void codeIntraDepth          ( TComDataCU* pcCU, UInt absPartIdx );
187  Void codeIntraDepthMode      ( TComDataCU* pcCU, UInt absPartIdx );
188#endif
189
190  Void codeInterDir            ( TComDataCU* pcCU, UInt uiAbsPartIdx );
191  Void codeRefFrmIdx           ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList );
192  Void codeMvd                 ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList );
193 
194  Void codeDeltaQP             ( TComDataCU* pcCU, UInt uiAbsPartIdx );
195 
196  Void codeLastSignificantXY ( UInt uiPosX, UInt uiPosY, Int width, Int height, TextType eTType, UInt uiScanIdx );
197  Void codeCoeffNxN            ( TComDataCU* pcCU, TCoeff* pcCoef, UInt uiAbsPartIdx, UInt uiWidth, UInt uiHeight, UInt uiDepth, TextType eTType );
198  void codeTransformSkipFlags ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt width, UInt height, TextType eTType );
199
200  // -------------------------------------------------------------------------------------------------------------------
201  // for RD-optimizatioon
202  // -------------------------------------------------------------------------------------------------------------------
203 
204  Void estBit               (estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, TextType eTType);
205  Void estCBFBit                     ( estBitsSbacStruct* pcEstBitsSbac );
206  Void estSignificantCoeffGroupMapBit( estBitsSbacStruct* pcEstBitsSbac, TextType eTType );
207  Void estSignificantMapBit          ( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, TextType eTType );
208  Void estSignificantCoefficientsBit ( estBitsSbacStruct* pcEstBitsSbac, TextType eTType );
209 
210  Void updateContextTables           ( SliceType eSliceType, Int iQp, Bool bExecuteFinish=true  );
211  Void updateContextTables           ( SliceType eSliceType, Int iQp  ) { this->updateContextTables( eSliceType, iQp, true); };
212 
213  TEncBinIf* getEncBinIf()  { return m_pcBinIf; }
214private:
215  UInt                 m_uiLastQp;
216 
217  ContextModel         m_contextModels[MAX_NUM_CTX_MOD];
218  Int                  m_numContextModels;
219  ContextModel3DBuffer m_cCUSplitFlagSCModel;
220  ContextModel3DBuffer m_cCUSkipFlagSCModel;
221#if H_3D_SINGLE_DEPTH
222  ContextModel3DBuffer m_cCUSingleDepthFlagSCModel;
223  ContextModel3DBuffer m_cSingleDepthValueSCModel;
224#endif
225  ContextModel3DBuffer m_cCUMergeFlagExtSCModel;
226  ContextModel3DBuffer m_cCUMergeIdxExtSCModel;
227#if H_3D_ARP
228  ContextModel3DBuffer m_cCUPUARPWSCModel;
229#endif
230#if H_3D_IC
231  ContextModel3DBuffer m_cCUICFlagSCModel;
232#endif
233  ContextModel3DBuffer m_cCUPartSizeSCModel;
234  ContextModel3DBuffer m_cCUPredModeSCModel;
235  ContextModel3DBuffer m_cCUIntraPredSCModel;
236  ContextModel3DBuffer m_cCUChromaPredSCModel;
237  ContextModel3DBuffer m_cCUDeltaQpSCModel;
238  ContextModel3DBuffer m_cCUInterDirSCModel;
239  ContextModel3DBuffer m_cCURefPicSCModel;
240  ContextModel3DBuffer m_cCUMvdSCModel;
241  ContextModel3DBuffer m_cCUQtCbfSCModel;
242  ContextModel3DBuffer m_cCUTransSubdivFlagSCModel;
243  ContextModel3DBuffer m_cCUQtRootCbfSCModel;
244 
245  ContextModel3DBuffer m_cCUSigCoeffGroupSCModel;
246  ContextModel3DBuffer m_cCUSigSCModel;
247  ContextModel3DBuffer m_cCuCtxLastX;
248  ContextModel3DBuffer m_cCuCtxLastY;
249  ContextModel3DBuffer m_cCUOneSCModel;
250  ContextModel3DBuffer m_cCUAbsSCModel;
251 
252  ContextModel3DBuffer m_cMVPIdxSCModel;
253 
254  ContextModel3DBuffer m_cSaoMergeSCModel;
255  ContextModel3DBuffer m_cSaoTypeIdxSCModel;
256  ContextModel3DBuffer m_cTransformSkipSCModel;
257  ContextModel3DBuffer m_CUTransquantBypassFlagSCModel;
258
259#if H_3D_DIM
260  ContextModel3DBuffer m_cDepthIntraModeSCModel;
261  ContextModel3DBuffer m_cDdcFlagSCModel;
262  ContextModel3DBuffer m_cDdcDataSCModel;
263  ContextModel3DBuffer m_cAngleFlagSCModel;
264#if H_3D_DIM_SDC 
265  ContextModel3DBuffer m_cSDCResidualFlagSCModel;
266  ContextModel3DBuffer m_cSDCResidualSCModel;
267#endif
268#endif
269#if H_3D_DIM_SDC
270  ContextModel3DBuffer m_cSDCFlagSCModel;
271#endif
272#if H_3D_DBBP
273  ContextModel3DBuffer m_cDBBPFlagSCModel;
274#endif
275};
276
277//! \}
278
279#endif // !defined(AFX_TENCSBAC_H__DDA7CDC4_EDE3_4015_9D32_2156249C82AA__INCLUDED_)
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