source: 3DVCSoftware/trunk/source/Lib/TLibEncoder/TEncSbac.h @ 81

Last change on this file since 81 was 77, checked in by tech, 12 years ago

Merged with branch/HTM-3.0Samsung REV74 including:

  • restricted residual prediction m24766
  • Inter-view residual prediction m24938
  • VPS concept m24714,m24878, m24945,m24896, m2491
  • reference list modification, restriction on IDR m24876, m24874
  • depth based motion parameter prediction m24829

Fixed bugs:

  • interview prediction
  • VSO

Added:

  • xcode project
  • Property svn:eol-style set to native
File size: 13.1 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
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 VIDYO_VPS_INTEGRATION
101  Void  codeVPS                 ( TComVPS* pcVPS );
102#endif
103       
104#if HHI_MPI
105  Void  codeSPS                 ( TComSPS* pcSPS, Bool bIsDepth );
106#else
107  Void  codeSPS                 ( TComSPS* pcSPS     );
108#endif
109  Void  codePPS                 ( TComPPS* pcPPS     );
110  void codeSEI(const SEI&);
111  Void  codeSliceHeader         ( TComSlice* pcSlice );
112  Void codeTileMarkerFlag(TComSlice* pcSlice) {printf("Not supported\n"); assert(0); exit(1);}
113#if TILES_WPP_ENTRY_POINT_SIGNALLING
114  Void  codeTilesWPPEntryPoint( TComSlice* pSlice );
115#else
116  Void  codeSliceHeaderSubstreamTable( TComSlice* pcSlice );
117#endif
118  Void  codeTerminatingBit      ( UInt uilsLast      );
119  Void  codeSliceFinish         ();
120#if OL_FLUSH
121  Void  codeFlush               ();
122  Void  encodeStart             ();
123#endif
124 
125  Void  codeAlfFlag       ( UInt uiCode );
126  Void  codeAlfUvlc       ( UInt uiCode );
127  Void  codeAlfSvlc       ( Int  uiCode );
128  Void  codeAlfCtrlDepth  ();
129#if LCU_SYNTAX_ALF
130  Void codeAPSAlflag(UInt uiCode) {assert (0);  return;}
131  Void codeAlfFixedLengthIdx( UInt idx, UInt maxValue){ assert (0);  return;}
132#endif
133
134  Void codeAlfCtrlFlag       ( UInt uiSymbol );
135  Void  codeApsExtensionFlag () { assert (0); return; };
136  Void  codeSaoFlag       ( UInt uiCode );
137  Void  codeSaoUvlc       ( UInt uiCode );
138  Void  codeSaoSvlc       ( Int  uiCode );
139#if SAO_UNIT_INTERLEAVING
140  Void  codeSaoRun        ( UInt  uiCode, UInt uiMaxValue  ) {;}
141  Void  codeSaoMergeLeft  ( UInt  uiCode, UInt uiCompIdx );
142  Void  codeSaoMergeUp    ( UInt  uiCode);
143  Void  codeSaoTypeIdx    ( UInt  uiCode);
144  Void  codeSaoUflc       ( UInt  uiCode);
145#endif
146  Void  codeScalingList      ( TComScalingList* scalingList     ){ assert (0);  return;};
147
148private:
149  Void  xWriteUnarySymbol    ( UInt uiSymbol, ContextModel* pcSCModel, Int iOffset );
150  Void  xWriteUnaryMaxSymbol ( UInt uiSymbol, ContextModel* pcSCModel, Int iOffset, UInt uiMaxSymbol );
151  Void  xWriteEpExGolomb     ( UInt uiSymbol, UInt uiCount );
152  Void  xWriteGoRiceExGolomb ( UInt uiSymbol, UInt &ruiGoRiceParam );
153  Void  xWriteTerminatingBit ( UInt uiBit );
154 
155  Void  xCopyFrom            ( TEncSbac* pSrc );
156  Void  xCopyContextsFrom    ( TEncSbac* pSrc ); 
157 
158  Void codeAPSInitInfo(TComAPS* pcAPS) {printf("Not supported in codeAPSInitInfo()\n"); assert(0); exit(1);}
159  Void codeFinish     (Bool bEnd)      { m_pcBinIf->encodeFlush(bEnd); }  //<! flush bits when CABAC termination
160  Void codeDFFlag( UInt uiCode, const Char *pSymbolName )       {printf("Not supported in codeDFFlag()\n"); assert(0); exit(1);};
161  Void codeDFSvlc( Int iCode, const Char *pSymbolName )         {printf("Not supported in codeDFSvlc()\n"); assert(0); exit(1);};
162
163#if HHI_DMM_WEDGE_INTRA || HHI_DMM_PRED_TEX
164  Void  xWriteExGolombLevel  ( UInt uiSymbol, ContextModel& rcSCModel  );
165#endif
166#if HHI_DMM_WEDGE_INTRA
167  Void  xCodeWedgeFullInfo          ( TComDataCU* pcCU, UInt uiAbsPartIdx );
168  Void  xCodeWedgeFullDeltaInfo     ( TComDataCU* pcCU, UInt uiAbsPartIdx );
169
170  Void  xCodeWedgePredDirInfo       ( TComDataCU* pcCU, UInt uiAbsPartIdx );
171  Void  xCodeWedgePredDirDeltaInfo  ( TComDataCU* pcCU, UInt uiAbsPartIdx );
172#endif
173#if HHI_DMM_PRED_TEX
174  Void  xCodeWedgePredTexDeltaInfo  ( TComDataCU* pcCU, UInt uiAbsPartIdx );
175  Void  xCodeContourPredTexDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx );
176#endif
177
178protected:
179  TComBitIf*    m_pcBitIf;
180  TComSlice*    m_pcSlice;
181  TEncBinIf*    m_pcBinIf;
182  Bool          m_bAlfCtrl;
183 
184  //SBAC RD
185  UInt          m_uiCoeffCost;
186 
187  // Adaptive loop filter
188  UInt          m_uiMaxAlfCtrlDepth;
189  Int           m_iSliceGranularity; //!< slice granularity
190  //--Adaptive loop filter
191 
192public:
193
194  /// set slice granularity
195  Void setSliceGranularity(Int iSliceGranularity)  {m_iSliceGranularity = iSliceGranularity;}
196
197  /// get slice granularity
198  Int  getSliceGranularity()                       {return m_iSliceGranularity;             }
199  Void codeAlfCtrlFlag   ( TComDataCU* pcCU, UInt uiAbsPartIdx );
200  Void codeSkipFlag      ( TComDataCU* pcCU, UInt uiAbsPartIdx );
201  Void codeMergeFlag     ( TComDataCU* pcCU, UInt uiAbsPartIdx );
202  Void codeMergeIndex    ( TComDataCU* pcCU, UInt uiAbsPartIdx );
203#if HHI_INTER_VIEW_RESIDUAL_PRED
204  Void codeResPredFlag   ( TComDataCU* pcCU, UInt uiAbsPartIdx );
205#endif
206  Void codeSplitFlag     ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
207#if HHI_INTER_VIEW_MOTION_PRED
208  Void codeMVPIdx        ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList, Int iNum );
209#else
210  Void codeMVPIdx        ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList );
211#endif
212 
213  Void codePartSize      ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
214  Void codePredMode      ( TComDataCU* pcCU, UInt uiAbsPartIdx );
215#if BURST_IPCM
216  Void codeIPCMInfo      ( TComDataCU* pcCU, UInt uiAbsPartIdx, Int numIPCM, Bool firstIPCMFlag);
217#else
218  Void codeIPCMInfo      ( TComDataCU* pcCU, UInt uiAbsPartIdx );
219#endif
220  Void codeTransformSubdivFlag ( UInt uiSymbol, UInt uiCtx );
221  Void codeQtCbf               ( TComDataCU* pcCU, UInt uiAbsPartIdx, TextType eType, UInt uiTrDepth );
222  Void codeQtRootCbf           ( TComDataCU* pcCU, UInt uiAbsPartIdx );
223 
224  Void codeIntraDirLumaAng     ( TComDataCU* pcCU, UInt uiAbsPartIdx );
225 
226  Void codeIntraDirChroma      ( TComDataCU* pcCU, UInt uiAbsPartIdx );
227  Void codeInterDir            ( TComDataCU* pcCU, UInt uiAbsPartIdx );
228  Void codeRefFrmIdx           ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList );
229  Void codeMvd                 ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList );
230 
231  Void codeDeltaQP             ( TComDataCU* pcCU, UInt uiAbsPartIdx );
232 
233  Void codeLastSignificantXY ( UInt uiPosX, UInt uiPosY, Int width, Int height, TextType eTType, UInt uiScanIdx );
234  Void codeCoeffNxN            ( TComDataCU* pcCU, TCoeff* pcCoef, UInt uiAbsPartIdx, UInt uiWidth, UInt uiHeight, UInt uiDepth, TextType eTType );
235 
236  // -------------------------------------------------------------------------------------------------------------------
237  // for RD-optimizatioon
238  // -------------------------------------------------------------------------------------------------------------------
239 
240  Void estBit               (estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, TextType eTType);
241  Void estCBFBit                     ( estBitsSbacStruct* pcEstBitsSbac, UInt uiCTXIdx, TextType eTType );
242  Void estSignificantCoeffGroupMapBit( estBitsSbacStruct* pcEstBitsSbac, UInt uiCTXIdx, TextType eTType );
243  Void estSignificantMapBit          ( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, TextType eTType );
244  Void estSignificantCoefficientsBit ( estBitsSbacStruct* pcEstBitsSbac, UInt uiCTXIdx, TextType eTType );
245 
246  Void updateContextTables           ( SliceType eSliceType, Int iQp, Bool bExecuteFinish=true  );
247  Void updateContextTables           ( SliceType eSliceType, Int iQp  ) { this->updateContextTables( eSliceType, iQp, true); };
248  Void writeTileMarker               ( UInt uiTileIdx, UInt uiBitsUsed );
249
250 
251  TEncBinIf* getEncBinIf()  { return m_pcBinIf; }
252private:
253  UInt                 m_uiLastQp;
254 
255  ContextModel         m_contextModels[MAX_NUM_CTX_MOD];
256  Int                  m_numContextModels;
257  ContextModel3DBuffer m_cCUSplitFlagSCModel;
258  ContextModel3DBuffer m_cCUSkipFlagSCModel;
259  ContextModel3DBuffer m_cCUMergeFlagExtSCModel;
260  ContextModel3DBuffer m_cCUMergeIdxExtSCModel;
261#if HHI_INTER_VIEW_RESIDUAL_PRED
262  ContextModel3DBuffer m_cResPredFlagSCModel;
263#endif
264  ContextModel3DBuffer m_cCUPartSizeSCModel;
265  ContextModel3DBuffer m_cCUPredModeSCModel;
266  ContextModel3DBuffer m_cCUAlfCtrlFlagSCModel;
267  ContextModel3DBuffer m_cCUIntraPredSCModel;
268  ContextModel3DBuffer m_cCUChromaPredSCModel;
269  ContextModel3DBuffer m_cCUDeltaQpSCModel;
270  ContextModel3DBuffer m_cCUInterDirSCModel;
271  ContextModel3DBuffer m_cCURefPicSCModel;
272  ContextModel3DBuffer m_cCUMvdSCModel;
273  ContextModel3DBuffer m_cCUQtCbfSCModel;
274  ContextModel3DBuffer m_cCUTransSubdivFlagSCModel;
275  ContextModel3DBuffer m_cCUQtRootCbfSCModel;
276 
277  ContextModel3DBuffer m_cCUSigCoeffGroupSCModel;
278  ContextModel3DBuffer m_cCUSigSCModel;
279  ContextModel3DBuffer m_cCuCtxLastX;
280  ContextModel3DBuffer m_cCuCtxLastY;
281  ContextModel3DBuffer m_cCUOneSCModel;
282  ContextModel3DBuffer m_cCUAbsSCModel;
283 
284  ContextModel3DBuffer m_cMVPIdxSCModel;
285 
286  ContextModel3DBuffer m_cALFFlagSCModel;
287  ContextModel3DBuffer m_cALFUvlcSCModel;
288  ContextModel3DBuffer m_cALFSvlcSCModel;
289#if AMP_CTX
290  ContextModel3DBuffer m_cCUAMPSCModel;
291#else
292  ContextModel3DBuffer m_cCUXPosiSCModel;
293  ContextModel3DBuffer m_cCUYPosiSCModel;
294#endif
295  ContextModel3DBuffer m_cSaoFlagSCModel;
296  ContextModel3DBuffer m_cSaoUvlcSCModel;
297  ContextModel3DBuffer m_cSaoSvlcSCModel;
298#if SAO_UNIT_INTERLEAVING
299  ContextModel3DBuffer m_cSaoMergeLeftSCModel;
300  ContextModel3DBuffer m_cSaoMergeUpSCModel;
301  ContextModel3DBuffer m_cSaoTypeIdxSCModel;
302#endif
303
304#if HHI_DMM_WEDGE_INTRA || HHI_DMM_PRED_TEX
305  ContextModel3DBuffer m_cDmmFlagSCModel;
306  ContextModel3DBuffer m_cDmmModeSCModel;
307  ContextModel3DBuffer m_cDmmDataSCModel;
308#endif
309};
310
311//! \}
312
313#endif // !defined(AFX_TENCSBAC_H__DDA7CDC4_EDE3_4015_9D32_2156249C82AA__INCLUDED_)
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