source: 3DVCSoftware/branches/HTM-6.2-dev0/source/Lib/TLibEncoder/TEncSbac.h @ 427

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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 VIDYO_VPS_INTEGRATION|QC_MVHEVC_B0046
101  Void  codeVPS                 ( TComVPS* pcVPS );
102#endif
103 
104#if HHI_MPI || H3D_QTL
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  Void  codeTilesWPPEntryPoint( TComSlice* pSlice );
114  Void  codeTerminatingBit      ( UInt uilsLast      );
115  Void  codeSliceFinish         ();
116  Void  codeFlush               ();
117  Void  encodeStart             ();
118 
119  Void  codeAlfFlag       ( UInt uiCode );
120  Void  codeAlfUvlc       ( UInt uiCode );
121  Void  codeAlfSvlc       ( Int  uiCode );
122  Void  codeAlfCtrlDepth  ();
123  Void codeAPSAlflag(UInt uiCode) {assert (0);  return;}
124  Void codeAlfFixedLengthIdx( UInt idx, UInt maxValue){ assert (0);  return;}
125
126  Void codeAlfCtrlFlag       ( UInt uiSymbol );
127  Void  codeApsExtensionFlag () { assert (0); return; };
128#if LGE_SAO_MIGRATION_D0091
129  Void  codeSaoMaxUvlc    ( UInt code, UInt maxSymbol );
130  Void  codeSaoMerge      ( UInt  uiCode );
131  Void  codeSaoTypeIdx    ( UInt  uiCode);
132  Void  codeSaoUflc       ( UInt uiLength, UInt  uiCode );
133  Void  codeSAOSign       ( UInt  uiCode);  //<! code SAO offset sign
134#else
135  Void  codeSaoFlag       ( UInt uiCode );
136  Void  codeSaoUvlc       ( UInt uiCode );
137  Void  codeSaoSvlc       ( Int  uiCode );
138  Void  codeSaoRun        ( UInt  uiCode, UInt uiMaxValue  ) {;}
139  Void  codeSaoMergeLeft  ( UInt  uiCode, UInt uiCompIdx );
140  Void  codeSaoMergeUp    ( UInt  uiCode);
141  Void  codeSaoTypeIdx    ( UInt  uiCode);
142  Void  codeSaoUflc       ( UInt  uiCode);
143#endif
144  Void  codeScalingList      ( TComScalingList* scalingList     ){ assert (0);  return;};
145 
146#if RWTH_SDC_DLT_B0036
147  Void codeSDCFlag          ( TComDataCU* pcCU, UInt uiAbsPartIdx );
148  Void codeSDCResidualData  ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiSegment );
149  Void codeSDCPredMode      ( TComDataCU* pcCU, UInt uiAbsPartIdx );
150#endif
151
152private:
153  Void  xWriteUnarySymbol    ( UInt uiSymbol, ContextModel* pcSCModel, Int iOffset );
154  Void  xWriteUnaryMaxSymbol ( UInt uiSymbol, ContextModel* pcSCModel, Int iOffset, UInt uiMaxSymbol );
155  Void  xWriteEpExGolomb     ( UInt uiSymbol, UInt uiCount );
156  Void  xWriteGoRiceExGolomb ( UInt uiSymbol, UInt &ruiGoRiceParam );
157  Void  xWriteTerminatingBit ( UInt uiBit );
158 
159  Void  xCopyFrom            ( TEncSbac* pSrc );
160  Void  xCopyContextsFrom    ( TEncSbac* pSrc ); 
161 
162  Void codeAPSInitInfo(TComAPS* pcAPS) {printf("Not supported in codeAPSInitInfo()\n"); assert(0); exit(1);}
163  Void codeFinish     (Bool bEnd)      { m_pcBinIf->encodeFlush(bEnd); }  //<! flush bits when CABAC termination
164  Void codeDFFlag( UInt uiCode, const Char *pSymbolName )       {printf("Not supported in codeDFFlag()\n"); assert(0); exit(1);};
165  Void codeDFSvlc( Int iCode, const Char *pSymbolName )         {printf("Not supported in codeDFSvlc()\n"); assert(0); exit(1);};
166
167#if HHI_DMM_WEDGE_INTRA || HHI_DMM_PRED_TEX
168  Void  xWriteExGolombLevel  ( UInt uiSymbol, ContextModel& rcSCModel  );
169#endif
170#if HHI_DMM_WEDGE_INTRA
171  Void  xCodeWedgeFullInfo          ( TComDataCU* pcCU, UInt uiAbsPartIdx );
172  Void  xCodeWedgeFullDeltaInfo     ( TComDataCU* pcCU, UInt uiAbsPartIdx );
173
174  Void  xCodeWedgePredDirInfo       ( TComDataCU* pcCU, UInt uiAbsPartIdx );
175  Void  xCodeWedgePredDirDeltaInfo  ( TComDataCU* pcCU, UInt uiAbsPartIdx );
176#endif
177#if HHI_DMM_PRED_TEX
178#if LGE_DMM3_SIMP_C0044
179  Void  xCodeWedgePredTexInfo       ( TComDataCU* pcCU, UInt uiAbsPartIdx );
180#endif
181  Void  xCodeWedgePredTexDeltaInfo  ( TComDataCU* pcCU, UInt uiAbsPartIdx );
182  Void  xCodeContourPredTexDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx );
183#endif
184#if LGE_EDGE_INTRA_A0070
185  Void  xCodeEdgeIntraInfo( TComDataCU* pcCU, UInt uiPartIdx );
186#endif
187
188protected:
189  TComBitIf*    m_pcBitIf;
190  TComSlice*    m_pcSlice;
191  TEncBinIf*    m_pcBinIf;
192  Bool          m_bAlfCtrl;
193 
194  //SBAC RD
195  UInt          m_uiCoeffCost;
196 
197  // Adaptive loop filter
198  UInt          m_uiMaxAlfCtrlDepth;
199  Int           m_iSliceGranularity; //!< slice granularity
200  //--Adaptive loop filter
201 
202public:
203
204  /// set slice granularity
205  Void setSliceGranularity(Int iSliceGranularity)  {m_iSliceGranularity = iSliceGranularity;}
206
207  /// get slice granularity
208  Int  getSliceGranularity()                       {return m_iSliceGranularity;             }
209  Void codeAlfCtrlFlag   ( TComDataCU* pcCU, UInt uiAbsPartIdx );
210  Void codeSkipFlag      ( TComDataCU* pcCU, UInt uiAbsPartIdx );
211#if LGE_ILLUCOMP_B0045
212  Void codeICFlag        ( TComDataCU* pcCU, UInt uiAbsPartIdx );
213#endif
214  Void codeMergeFlag     ( TComDataCU* pcCU, UInt uiAbsPartIdx );
215  Void codeMergeIndex    ( TComDataCU* pcCU, UInt uiAbsPartIdx );
216#if H3D_IVRP
217  Void codeResPredFlag   ( TComDataCU* pcCU, UInt uiAbsPartIdx );
218#endif
219#if QC_ARP_D0177
220  virtual Void codeARPW ( TComDataCU* pcCU, UInt uiAbsPartIdx );
221#endif
222  Void codeSplitFlag     ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
223#if H3D_IVMP
224  Void codeMVPIdx        ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList, Int iNum );
225#else
226  Void codeMVPIdx        ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList );
227#endif
228 
229  Void codePartSize      ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
230  Void codePredMode      ( TComDataCU* pcCU, UInt uiAbsPartIdx );
231  Void codeIPCMInfo      ( TComDataCU* pcCU, UInt uiAbsPartIdx, Int numIPCM, Bool firstIPCMFlag);
232  Void codeTransformSubdivFlag ( UInt uiSymbol, UInt uiCtx );
233  Void codeQtCbf               ( TComDataCU* pcCU, UInt uiAbsPartIdx, TextType eType, UInt uiTrDepth );
234  Void codeQtRootCbf           ( TComDataCU* pcCU, UInt uiAbsPartIdx );
235 
236  Void codeIntraDirLumaAng     ( TComDataCU* pcCU, UInt uiAbsPartIdx );
237 
238  Void codeIntraDirChroma      ( TComDataCU* pcCU, UInt uiAbsPartIdx );
239  Void codeInterDir            ( TComDataCU* pcCU, UInt uiAbsPartIdx );
240  Void codeRefFrmIdx           ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList );
241  Void codeMvd                 ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList );
242 
243  Void codeDeltaQP             ( TComDataCU* pcCU, UInt uiAbsPartIdx );
244 
245  Void codeLastSignificantXY ( UInt uiPosX, UInt uiPosY, Int width, Int height, TextType eTType, UInt uiScanIdx );
246  Void codeCoeffNxN            ( TComDataCU* pcCU, TCoeff* pcCoef, UInt uiAbsPartIdx, UInt uiWidth, UInt uiHeight, UInt uiDepth, TextType eTType );
247 
248  // -------------------------------------------------------------------------------------------------------------------
249  // for RD-optimizatioon
250  // -------------------------------------------------------------------------------------------------------------------
251 
252  Void estBit               (estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, TextType eTType);
253  Void estCBFBit                     ( estBitsSbacStruct* pcEstBitsSbac, UInt uiCTXIdx, TextType eTType );
254  Void estSignificantCoeffGroupMapBit( estBitsSbacStruct* pcEstBitsSbac, UInt uiCTXIdx, TextType eTType );
255  Void estSignificantMapBit          ( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, TextType eTType );
256  Void estSignificantCoefficientsBit ( estBitsSbacStruct* pcEstBitsSbac, UInt uiCTXIdx, TextType eTType );
257 
258  Void updateContextTables           ( SliceType eSliceType, Int iQp, Bool bExecuteFinish=true  );
259  Void updateContextTables           ( SliceType eSliceType, Int iQp  ) { this->updateContextTables( eSliceType, iQp, true); };
260  Void writeTileMarker               ( UInt uiTileIdx, UInt uiBitsUsed );
261
262 
263  TEncBinIf* getEncBinIf()  { return m_pcBinIf; }
264private:
265  UInt                 m_uiLastQp;
266 
267  ContextModel         m_contextModels[MAX_NUM_CTX_MOD];
268  Int                  m_numContextModels;
269  ContextModel3DBuffer m_cCUSplitFlagSCModel;
270  ContextModel3DBuffer m_cCUSkipFlagSCModel;
271#if LGE_ILLUCOMP_B0045
272  ContextModel3DBuffer m_cCUICFlagSCModel;
273#endif
274  ContextModel3DBuffer m_cCUMergeFlagExtSCModel;
275  ContextModel3DBuffer m_cCUMergeIdxExtSCModel;
276#if H3D_IVRP
277  ContextModel3DBuffer m_cResPredFlagSCModel;
278#endif
279#if QC_ARP_D0177
280  ContextModel3DBuffer m_cCUPUARPW;
281#endif
282  ContextModel3DBuffer m_cCUPartSizeSCModel;
283  ContextModel3DBuffer m_cCUPredModeSCModel;
284  ContextModel3DBuffer m_cCUAlfCtrlFlagSCModel;
285  ContextModel3DBuffer m_cCUIntraPredSCModel;
286  ContextModel3DBuffer m_cCUChromaPredSCModel;
287  ContextModel3DBuffer m_cCUDeltaQpSCModel;
288  ContextModel3DBuffer m_cCUInterDirSCModel;
289  ContextModel3DBuffer m_cCURefPicSCModel;
290  ContextModel3DBuffer m_cCUMvdSCModel;
291  ContextModel3DBuffer m_cCUQtCbfSCModel;
292  ContextModel3DBuffer m_cCUTransSubdivFlagSCModel;
293  ContextModel3DBuffer m_cCUQtRootCbfSCModel;
294 
295  ContextModel3DBuffer m_cCUSigCoeffGroupSCModel;
296  ContextModel3DBuffer m_cCUSigSCModel;
297  ContextModel3DBuffer m_cCuCtxLastX;
298  ContextModel3DBuffer m_cCuCtxLastY;
299  ContextModel3DBuffer m_cCUOneSCModel;
300  ContextModel3DBuffer m_cCUAbsSCModel;
301 
302  ContextModel3DBuffer m_cMVPIdxSCModel;
303 
304  ContextModel3DBuffer m_cALFFlagSCModel;
305  ContextModel3DBuffer m_cALFUvlcSCModel;
306  ContextModel3DBuffer m_cALFSvlcSCModel;
307  ContextModel3DBuffer m_cCUAMPSCModel;
308#if LGE_SAO_MIGRATION_D0091
309  ContextModel3DBuffer m_cSaoMergeSCModel;
310  ContextModel3DBuffer m_cSaoTypeIdxSCModel;
311#else
312  ContextModel3DBuffer m_cSaoFlagSCModel;
313  ContextModel3DBuffer m_cSaoUvlcSCModel;
314  ContextModel3DBuffer m_cSaoSvlcSCModel;
315  ContextModel3DBuffer m_cSaoMergeLeftSCModel;
316  ContextModel3DBuffer m_cSaoMergeUpSCModel;
317  ContextModel3DBuffer m_cSaoTypeIdxSCModel;
318#endif
319
320#if HHI_DMM_WEDGE_INTRA || HHI_DMM_PRED_TEX
321  ContextModel3DBuffer m_cDmmFlagSCModel;
322  ContextModel3DBuffer m_cDmmModeSCModel;
323  ContextModel3DBuffer m_cDmmDataSCModel;
324#endif
325#if LGE_EDGE_INTRA_A0070
326  ContextModel3DBuffer m_cEdgeIntraSCModel;
327#if LGE_EDGE_INTRA_DELTA_DC
328  ContextModel3DBuffer m_cEdgeIntraDeltaDCSCModel;
329#endif
330#endif
331 
332#if RWTH_SDC_DLT_B0036
333  ContextModel3DBuffer m_cSDCFlagSCModel;
334 
335  ContextModel3DBuffer m_cSDCResidualFlagSCModel;
336  ContextModel3DBuffer m_cSDCResidualSignFlagSCModel;
337  ContextModel3DBuffer m_cSDCResidualSCModel;
338 
339  ContextModel3DBuffer m_cSDCPredModeSCModel;
340#endif
341};
342
343//! \}
344
345#endif // !defined(AFX_TENCSBAC_H__DDA7CDC4_EDE3_4015_9D32_2156249C82AA__INCLUDED_)
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