source: 3DVCSoftware/trunk/source/Lib/TLibEncoder/TEncSbac.h @ 56

Last change on this file since 56 was 56, checked in by hschwarz, 12 years ago

updated trunk (move to HM6.1)

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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) 2010-2012, 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#if CABAC_INIT_FLAG
78  Void  determineCabacInitIdx  ();
79#endif
80  Void  setBitstream           ( TComBitIf* p )  { m_pcBitIf = p; m_pcBinIf->init( p ); }
81  Void  setSlice               ( TComSlice* p )  { m_pcSlice = p;                       }
82 
83  Bool  getAlfCtrl             ()                         { return m_bAlfCtrl;          }
84  UInt  getMaxAlfCtrlDepth     ()                         { return m_uiMaxAlfCtrlDepth; }
85  Void  setAlfCtrl             ( Bool bAlfCtrl          ) { m_bAlfCtrl          = bAlfCtrl;          }
86  Void  setMaxAlfCtrlDepth     ( UInt uiMaxAlfCtrlDepth ) { m_uiMaxAlfCtrlDepth = uiMaxAlfCtrlDepth; }
87 
88  // SBAC RD
89  Void  resetCoeffCost         ()                { m_uiCoeffCost = 0;  }
90  UInt  getCoeffCost           ()                { return  m_uiCoeffCost;  }
91 
92  Void  load                   ( TEncSbac* pScr  );
93  Void  loadIntraDirModeLuma   ( TEncSbac* pScr  );
94  Void  store                  ( TEncSbac* pDest );
95  Void  loadContexts           ( TEncSbac* pScr  );
96  Void  resetBits              ()                { m_pcBinIf->resetBits(); m_pcBitIf->resetBits(); }
97  UInt  getNumberOfWrittenBits ()                { return m_pcBinIf->getNumWrittenBits(); }
98  //--SBAC RD
99
100#if HHI_MPI
101  Void  codeSPS                 ( TComSPS* pcSPS, Bool bIsDepth );
102#else
103  Void  codeSPS                 ( TComSPS* pcSPS     );
104#endif
105  Void  codePPS                 ( TComPPS* pcPPS     );
106  void codeSEI(const SEI&);
107  Void  codeSliceHeader         ( TComSlice* pcSlice );
108  Void codeTileMarkerFlag(TComSlice* pcSlice) {printf("Not supported\n"); assert(0); exit(1);}
109#if TILES_WPP_ENTRY_POINT_SIGNALLING
110  Void  codeTilesWPPEntryPoint( TComSlice* pSlice );
111#else
112  Void  codeSliceHeaderSubstreamTable( TComSlice* pcSlice );
113#endif
114  Void  codeTerminatingBit      ( UInt uilsLast      );
115  Void  codeSliceFinish         ();
116#if OL_FLUSH
117  Void  codeFlush               ();
118  Void  encodeStart             ();
119#endif
120 
121  Void  codeAlfFlag       ( UInt uiCode );
122  Void  codeAlfUvlc       ( UInt uiCode );
123  Void  codeAlfSvlc       ( Int  uiCode );
124  Void  codeAlfCtrlDepth  ();
125#if LCU_SYNTAX_ALF
126  Void codeAPSAlflag(UInt uiCode) {assert (0);  return;}
127  Void codeAlfFixedLengthIdx( UInt idx, UInt maxValue){ assert (0);  return;}
128#endif
129
130  Void codeAlfCtrlFlag       ( UInt uiSymbol );
131  Void  codeApsExtensionFlag () { assert (0); return; };
132  Void  codeSaoFlag       ( UInt uiCode );
133  Void  codeSaoUvlc       ( UInt uiCode );
134  Void  codeSaoSvlc       ( Int  uiCode );
135#if SAO_UNIT_INTERLEAVING
136  Void  codeSaoRun        ( UInt  uiCode, UInt uiMaxValue  ) {;}
137  Void  codeSaoMergeLeft  ( UInt  uiCode, UInt uiCompIdx );
138  Void  codeSaoMergeUp    ( UInt  uiCode);
139  Void  codeSaoTypeIdx    ( UInt  uiCode);
140  Void  codeSaoUflc       ( UInt  uiCode);
141#endif
142  Void  codeScalingList      ( TComScalingList* scalingList     ){ assert (0);  return;};
143
144private:
145  Void  xWriteUnarySymbol    ( UInt uiSymbol, ContextModel* pcSCModel, Int iOffset );
146  Void  xWriteUnaryMaxSymbol ( UInt uiSymbol, ContextModel* pcSCModel, Int iOffset, UInt uiMaxSymbol );
147  Void  xWriteEpExGolomb     ( UInt uiSymbol, UInt uiCount );
148  Void  xWriteGoRiceExGolomb ( UInt uiSymbol, UInt &ruiGoRiceParam );
149  Void  xWriteTerminatingBit ( UInt uiBit );
150 
151  Void  xCopyFrom            ( TEncSbac* pSrc );
152  Void  xCopyContextsFrom    ( TEncSbac* pSrc ); 
153 
154  Void codeAPSInitInfo(TComAPS* pcAPS) {printf("Not supported in codeAPSInitInfo()\n"); assert(0); exit(1);}
155  Void codeFinish     (Bool bEnd)      { m_pcBinIf->encodeFlush(bEnd); }  //<! flush bits when CABAC termination
156  Void codeDFFlag( UInt uiCode, const Char *pSymbolName )       {printf("Not supported in codeDFFlag()\n"); assert(0); exit(1);};
157  Void codeDFSvlc( Int iCode, const Char *pSymbolName )         {printf("Not supported in codeDFSvlc()\n"); assert(0); exit(1);};
158
159#if HHI_DMM_WEDGE_INTRA || HHI_DMM_PRED_TEX
160  Void  xWriteExGolombLevel  ( UInt uiSymbol, ContextModel& rcSCModel  );
161#endif
162#if HHI_DMM_WEDGE_INTRA
163  Void  xCodeWedgeFullInfo          ( TComDataCU* pcCU, UInt uiAbsPartIdx );
164  Void  xCodeWedgeFullDeltaInfo     ( TComDataCU* pcCU, UInt uiAbsPartIdx );
165
166  Void  xCodeWedgePredDirInfo       ( TComDataCU* pcCU, UInt uiAbsPartIdx );
167  Void  xCodeWedgePredDirDeltaInfo  ( TComDataCU* pcCU, UInt uiAbsPartIdx );
168#endif
169#if HHI_DMM_PRED_TEX
170  Void  xCodeWedgePredTexDeltaInfo  ( TComDataCU* pcCU, UInt uiAbsPartIdx );
171  Void  xCodeContourPredTexDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx );
172#endif
173
174protected:
175  TComBitIf*    m_pcBitIf;
176  TComSlice*    m_pcSlice;
177  TEncBinIf*    m_pcBinIf;
178  Bool          m_bAlfCtrl;
179 
180  //SBAC RD
181  UInt          m_uiCoeffCost;
182 
183  // Adaptive loop filter
184  UInt          m_uiMaxAlfCtrlDepth;
185  Int           m_iSliceGranularity; //!< slice granularity
186  //--Adaptive loop filter
187 
188public:
189
190  /// set slice granularity
191  Void setSliceGranularity(Int iSliceGranularity)  {m_iSliceGranularity = iSliceGranularity;}
192
193  /// get slice granularity
194  Int  getSliceGranularity()                       {return m_iSliceGranularity;             }
195  Void codeAlfCtrlFlag   ( TComDataCU* pcCU, UInt uiAbsPartIdx );
196  Void codeSkipFlag      ( TComDataCU* pcCU, UInt uiAbsPartIdx );
197  Void codeMergeFlag     ( TComDataCU* pcCU, UInt uiAbsPartIdx );
198  Void codeMergeIndex    ( TComDataCU* pcCU, UInt uiAbsPartIdx );
199#if HHI_INTER_VIEW_RESIDUAL_PRED
200  Void codeResPredFlag   ( TComDataCU* pcCU, UInt uiAbsPartIdx );
201#endif
202  Void codeSplitFlag     ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
203#if HHI_INTER_VIEW_MOTION_PRED
204  Void codeMVPIdx        ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList, Int iNum );
205#else
206  Void codeMVPIdx        ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList );
207#endif
208 
209  Void codePartSize      ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
210  Void codePredMode      ( TComDataCU* pcCU, UInt uiAbsPartIdx );
211#if BURST_IPCM
212  Void codeIPCMInfo      ( TComDataCU* pcCU, UInt uiAbsPartIdx, Int numIPCM, Bool firstIPCMFlag);
213#else
214  Void codeIPCMInfo      ( TComDataCU* pcCU, UInt uiAbsPartIdx );
215#endif
216  Void codeTransformSubdivFlag ( UInt uiSymbol, UInt uiCtx );
217  Void codeQtCbf               ( TComDataCU* pcCU, UInt uiAbsPartIdx, TextType eType, UInt uiTrDepth );
218  Void codeQtRootCbf           ( TComDataCU* pcCU, UInt uiAbsPartIdx );
219 
220  Void codeIntraDirLumaAng     ( TComDataCU* pcCU, UInt uiAbsPartIdx );
221 
222  Void codeIntraDirChroma      ( TComDataCU* pcCU, UInt uiAbsPartIdx );
223  Void codeInterDir            ( TComDataCU* pcCU, UInt uiAbsPartIdx );
224  Void codeRefFrmIdx           ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList );
225  Void codeMvd                 ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList );
226 
227  Void codeDeltaQP             ( TComDataCU* pcCU, UInt uiAbsPartIdx );
228 
229  Void codeLastSignificantXY ( UInt uiPosX, UInt uiPosY, Int width, Int height, TextType eTType, UInt uiScanIdx );
230  Void codeCoeffNxN            ( TComDataCU* pcCU, TCoeff* pcCoef, UInt uiAbsPartIdx, UInt uiWidth, UInt uiHeight, UInt uiDepth, TextType eTType );
231 
232  // -------------------------------------------------------------------------------------------------------------------
233  // for RD-optimizatioon
234  // -------------------------------------------------------------------------------------------------------------------
235 
236  Void estBit               (estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, TextType eTType);
237  Void estCBFBit                     ( estBitsSbacStruct* pcEstBitsSbac, UInt uiCTXIdx, TextType eTType );
238  Void estSignificantCoeffGroupMapBit( estBitsSbacStruct* pcEstBitsSbac, UInt uiCTXIdx, TextType eTType );
239  Void estSignificantMapBit          ( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, TextType eTType );
240  Void estSignificantCoefficientsBit ( estBitsSbacStruct* pcEstBitsSbac, UInt uiCTXIdx, TextType eTType );
241 
242  Void updateContextTables           ( SliceType eSliceType, Int iQp, Bool bExecuteFinish=true  );
243  Void updateContextTables           ( SliceType eSliceType, Int iQp  ) { this->updateContextTables( eSliceType, iQp, true); };
244  Void writeTileMarker               ( UInt uiTileIdx, UInt uiBitsUsed );
245
246 
247  TEncBinIf* getEncBinIf()  { return m_pcBinIf; }
248private:
249  UInt                 m_uiLastQp;
250 
251  ContextModel         m_contextModels[MAX_NUM_CTX_MOD];
252  Int                  m_numContextModels;
253  ContextModel3DBuffer m_cCUSplitFlagSCModel;
254  ContextModel3DBuffer m_cCUSkipFlagSCModel;
255  ContextModel3DBuffer m_cCUMergeFlagExtSCModel;
256  ContextModel3DBuffer m_cCUMergeIdxExtSCModel;
257#if HHI_INTER_VIEW_RESIDUAL_PRED
258  ContextModel3DBuffer m_cResPredFlagSCModel;
259#endif
260  ContextModel3DBuffer m_cCUPartSizeSCModel;
261  ContextModel3DBuffer m_cCUPredModeSCModel;
262  ContextModel3DBuffer m_cCUAlfCtrlFlagSCModel;
263  ContextModel3DBuffer m_cCUIntraPredSCModel;
264  ContextModel3DBuffer m_cCUChromaPredSCModel;
265  ContextModel3DBuffer m_cCUDeltaQpSCModel;
266  ContextModel3DBuffer m_cCUInterDirSCModel;
267  ContextModel3DBuffer m_cCURefPicSCModel;
268  ContextModel3DBuffer m_cCUMvdSCModel;
269  ContextModel3DBuffer m_cCUQtCbfSCModel;
270  ContextModel3DBuffer m_cCUTransSubdivFlagSCModel;
271  ContextModel3DBuffer m_cCUQtRootCbfSCModel;
272 
273  ContextModel3DBuffer m_cCUSigCoeffGroupSCModel;
274  ContextModel3DBuffer m_cCUSigSCModel;
275  ContextModel3DBuffer m_cCuCtxLastX;
276  ContextModel3DBuffer m_cCuCtxLastY;
277  ContextModel3DBuffer m_cCUOneSCModel;
278  ContextModel3DBuffer m_cCUAbsSCModel;
279 
280  ContextModel3DBuffer m_cMVPIdxSCModel;
281 
282  ContextModel3DBuffer m_cALFFlagSCModel;
283  ContextModel3DBuffer m_cALFUvlcSCModel;
284  ContextModel3DBuffer m_cALFSvlcSCModel;
285#if AMP_CTX
286  ContextModel3DBuffer m_cCUAMPSCModel;
287#else
288  ContextModel3DBuffer m_cCUXPosiSCModel;
289  ContextModel3DBuffer m_cCUYPosiSCModel;
290#endif
291  ContextModel3DBuffer m_cSaoFlagSCModel;
292  ContextModel3DBuffer m_cSaoUvlcSCModel;
293  ContextModel3DBuffer m_cSaoSvlcSCModel;
294#if SAO_UNIT_INTERLEAVING
295  ContextModel3DBuffer m_cSaoMergeLeftSCModel;
296  ContextModel3DBuffer m_cSaoMergeUpSCModel;
297  ContextModel3DBuffer m_cSaoTypeIdxSCModel;
298#endif
299
300#if HHI_DMM_WEDGE_INTRA || HHI_DMM_PRED_TEX
301  ContextModel3DBuffer m_cDmmFlagSCModel;
302  ContextModel3DBuffer m_cDmmModeSCModel;
303  ContextModel3DBuffer m_cDmmDataSCModel;
304#endif
305};
306
307//! \}
308
309#endif // !defined(AFX_TENCSBAC_H__DDA7CDC4_EDE3_4015_9D32_2156249C82AA__INCLUDED_)
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