source: 3DVCSoftware/branches/HTM-5.1-dev3-LG/source/Lib/TLibDecoder/TDecSbac.h @ 1417

Last change on this file since 1417 was 210, checked in by tech, 12 years ago

Reintegrated /branches/HTM-5.0-dev0 rev. 207.
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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     TDecSbac.h
35    \brief    SBAC decoder class (header)
36*/
37
38#ifndef __TDECSBAC__
39#define __TDECSBAC__
40
41
42#if _MSC_VER > 1000
43#pragma once
44#endif // _MSC_VER > 1000
45
46
47#include "TDecEntropy.h"
48#include "TDecBinCoder.h"
49#include "TLibCommon/ContextTables.h"
50#include "TLibCommon/ContextModel.h"
51#include "TLibCommon/ContextModel3DBuffer.h"
52
53//! \ingroup TLibDecoder
54//! \{
55
56// ====================================================================================================================
57// Class definition
58// ====================================================================================================================
59
60class SEImessages;
61
62/// SBAC decoder class
63class TDecSbac : public TDecEntropyIf
64{
65public:
66  TDecSbac();
67  virtual ~TDecSbac();
68 
69  Void  init                      ( TDecBinIf* p )    { m_pcTDecBinIf = p; }
70  Void  uninit                    (              )    { m_pcTDecBinIf = 0; }
71 
72  Void load                          ( TDecSbac* pScr );
73  Void loadContexts                  ( TDecSbac* pScr );
74  Void xCopyFrom           ( TDecSbac* pSrc );
75  Void xCopyContextsFrom       ( TDecSbac* pSrc );
76#if OL_FLUSH
77  Void decodeFlush();
78#endif
79
80#if CABAC_INIT_FLAG
81  Void  resetEntropy (TComSlice* pSlice );
82#else
83  Void  resetEntropywithQPandInitIDC ( Int  iQp, Int iID);
84  Void  resetEntropy                 ( Int  iQp, Int iID      ) { resetEntropywithQPandInitIDC(iQp, iID);                                      }
85  Void  resetEntropy                 ( TComSlice* pcSlice     ) { resetEntropywithQPandInitIDC(pcSlice->getSliceQp(), pcSlice->getCABACinitIDC());}
86#endif
87  Void  setBitstream              ( TComInputBitstream* p  ) { m_pcBitstream = p; m_pcTDecBinIf->init( p ); }
88 
89#if VIDYO_VPS_INTEGRATION|QC_MVHEVC_B0046
90  Void  parseVPS                  ( TComVPS* pcVPS )  {}
91#endif
92#if HHI_MPI
93  Void  parseSPS                  ( TComSPS* pcSPS, Bool bIsDepth ) {}
94#else
95  Void  parseSPS                  ( TComSPS* pcSPS         ) {}
96#endif
97#if TILES_OR_ENTROPY_SYNC_IDC 
98  Void  parsePPS                  ( TComPPS* pcPPS, ParameterSetManagerDecoder *parameterSet         ) {}
99#else
100  Void  parsePPS                  ( TComPPS* pcPPS         ) {}
101#endif
102  Void  parseAPS                  ( TComAPS* pAPS          ) {}
103  void parseSEI(SEImessages&) {}
104
105#if LCU_SYNTAX_ALF
106  Void  parseSliceHeader          ( TComSlice*& rpcSlice, ParameterSetManagerDecoder *parameterSetManager, AlfCUCtrlInfo &alfCUCtrl, AlfParamSet& alfParamSet) {}
107#else
108  Void  parseSliceHeader          ( TComSlice*& rpcSlice, ParameterSetManagerDecoder *parameterSetManager, AlfCUCtrlInfo &alfCUCtrl ) {}
109#endif
110
111  Void  parseTerminatingBit       ( UInt& ruiBit );
112#if HHI_INTER_VIEW_MOTION_PRED
113  Void  parseMVPIdx               ( Int& riMVPIdx, Int iNumAMVPCands );
114#else
115  Void  parseMVPIdx               ( Int& riMVPIdx          );
116#endif
117 
118#if SAO_UNIT_INTERLEAVING
119  Void  parseSaoUvlc              ( UInt& ruiVal           );
120  Void  parseSaoSvlc              ( Int&  riVal            );
121  Void  parseSaoMergeLeft         ( UInt&  ruiVal, UInt uiCompIdx   );
122  Void  parseSaoMergeUp           ( UInt&  ruiVal  );
123  Void  parseSaoTypeIdx           ( UInt&  ruiVal  );
124  Void  parseSaoUflc              ( UInt& ruiVal           );
125  Void  parseSaoOneLcuInterleaving(Int rx, Int ry, SAOParam* pSaoParam, TComDataCU* pcCU, Int iCUAddrInSlice, Int iCUAddrUpInSlice, Bool bLFCrossSliceBoundaryFlag);
126  Void  parseSaoOffset            (SaoLcuParam* psSaoLcuParam);
127#endif
128 
129#if RWTH_SDC_DLT_B0036
130  Void parseSDCFlag    ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
131  Void parseSDCPredMode    ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
132  Void parseSDCResidualData     ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiPart );
133#endif
134private:
135  Void  xReadUnarySymbol    ( UInt& ruiSymbol, ContextModel* pcSCModel, Int iOffset );
136  Void  xReadUnaryMaxSymbol ( UInt& ruiSymbol, ContextModel* pcSCModel, Int iOffset, UInt uiMaxSymbol );
137  Void  xReadEpExGolomb     ( UInt& ruiSymbol, UInt uiCount );
138  Void  xReadGoRiceExGolomb ( UInt &ruiSymbol, UInt &ruiGoRiceParam );
139#if HHI_DMM_WEDGE_INTRA || HHI_DMM_PRED_TEX
140  Void  xReadExGolombLevel  ( UInt& ruiSymbol, ContextModel& rcSCModel  );
141#endif
142#if HHI_DMM_WEDGE_INTRA
143  Void xParseWedgeFullInfo          ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
144  Void xParseWedgeFullDeltaInfo     ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
145
146  Void xParseWedgePredDirInfo       ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
147  Void xParseWedgePredDirDeltaInfo  ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
148#endif
149#if HHI_DMM_PRED_TEX
150  Void xParseWedgePredTexDeltaInfo  ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
151  Void xParseContourPredTexDeltaInfo( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
152#endif
153 
154#if LGE_EDGE_INTRA_A0070
155  Void xParseEdgeIntraInfo ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
156#endif
157 
158private:
159  TComInputBitstream* m_pcBitstream;
160  TDecBinIf*        m_pcTDecBinIf;
161 
162  Int           m_iSliceGranularity; //!< slice granularity
163
164public:
165  Void parseAlfCtrlFlag   ( UInt &ruiAlfCtrlFlag );
166
167  /// set slice granularity
168  Void setSliceGranularity(Int iSliceGranularity)  {m_iSliceGranularity = iSliceGranularity;}
169
170  /// get slice granularity
171  Int  getSliceGranularity()                       {return m_iSliceGranularity;             }
172
173  Void parseSkipFlag      ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
174#if LGE_ILLUCOMP_B0045
175  Void parseICFlag        ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
176#endif
177  Void parseSplitFlag     ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
178  Void parseMergeFlag     ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiPUIdx );
179  Void parseMergeIndex    ( TComDataCU* pcCU, UInt& ruiMergeIndex, UInt uiAbsPartIdx, UInt uiDepth );
180#if HHI_INTER_VIEW_RESIDUAL_PRED
181  Void parseResPredFlag   ( TComDataCU* pcCU, Bool& rbResPredFlag, UInt uiAbsPartIdx, UInt uiDepth );
182#endif
183  Void parsePartSize      ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
184  Void parsePredMode      ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
185 
186  Void parseIntraDirLumaAng( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
187 
188  Void parseIntraDirChroma( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
189 
190  Void parseInterDir      ( TComDataCU* pcCU, UInt& ruiInterDir, UInt uiAbsPartIdx, UInt uiDepth );
191  Void parseRefFrmIdx     ( TComDataCU* pcCU, Int& riRefFrmIdx, UInt uiAbsPartIdx, UInt uiDepth, RefPicList eRefList );
192  Void parseMvd           ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiPartIdx, UInt uiDepth, RefPicList eRefList );
193 
194  Void parseTransformSubdivFlag( UInt& ruiSubdivFlag, UInt uiLog2TransformBlockSize );
195  Void parseQtCbf         ( TComDataCU* pcCU, UInt uiAbsPartIdx, TextType eType, UInt uiTrDepth, UInt uiDepth );
196  Void parseQtRootCbf     ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt& uiQtRootCbf );
197 
198  Void parseDeltaQP       ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
199 
200  Void parseIPCMInfo      ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth);
201
202  Void parseLastSignificantXY( UInt& uiPosLastX, UInt& uiPosLastY, Int width, Int height, TextType eTType, UInt uiScanIdx );
203  Void parseCoeffNxN      ( TComDataCU* pcCU, TCoeff* pcCoef, UInt uiAbsPartIdx, UInt uiWidth, UInt uiHeight, UInt uiDepth, TextType eTType );
204 
205  Void readTileMarker   ( UInt& uiTileIdx, UInt uiBitsUsed );
206  Void updateContextTables( SliceType eSliceType, Int iQp );
207
208  Void  parseScalingList ( TComScalingList* scalingList ) {}
209
210private:
211  UInt m_uiLastDQpNonZero;
212  UInt m_uiLastQp;
213 
214  ContextModel         m_contextModels[MAX_NUM_CTX_MOD];
215  Int                  m_numContextModels;
216  ContextModel3DBuffer m_cCUSplitFlagSCModel;
217  ContextModel3DBuffer m_cCUSkipFlagSCModel;
218#if LGE_ILLUCOMP_B0045
219  ContextModel3DBuffer m_cCUICFlagSCModel;
220#endif
221  ContextModel3DBuffer m_cCUMergeFlagExtSCModel;
222  ContextModel3DBuffer m_cCUMergeIdxExtSCModel;
223#if HHI_INTER_VIEW_RESIDUAL_PRED
224  ContextModel3DBuffer m_cResPredFlagSCModel;
225#endif
226  ContextModel3DBuffer m_cCUPartSizeSCModel;
227  ContextModel3DBuffer m_cCUPredModeSCModel;
228  ContextModel3DBuffer m_cCUAlfCtrlFlagSCModel;
229  ContextModel3DBuffer m_cCUIntraPredSCModel;
230  ContextModel3DBuffer m_cCUChromaPredSCModel;
231  ContextModel3DBuffer m_cCUDeltaQpSCModel;
232  ContextModel3DBuffer m_cCUInterDirSCModel;
233  ContextModel3DBuffer m_cCURefPicSCModel;
234  ContextModel3DBuffer m_cCUMvdSCModel;
235  ContextModel3DBuffer m_cCUQtCbfSCModel;
236  ContextModel3DBuffer m_cCUTransSubdivFlagSCModel;
237  ContextModel3DBuffer m_cCUQtRootCbfSCModel;
238 
239  ContextModel3DBuffer m_cCUSigCoeffGroupSCModel;
240  ContextModel3DBuffer m_cCUSigSCModel;
241  ContextModel3DBuffer m_cCuCtxLastX;
242  ContextModel3DBuffer m_cCuCtxLastY;
243  ContextModel3DBuffer m_cCUOneSCModel;
244  ContextModel3DBuffer m_cCUAbsSCModel;
245 
246  ContextModel3DBuffer m_cMVPIdxSCModel;
247 
248  ContextModel3DBuffer m_cALFFlagSCModel;
249  ContextModel3DBuffer m_cALFUvlcSCModel;
250  ContextModel3DBuffer m_cALFSvlcSCModel;
251#if AMP_CTX
252  ContextModel3DBuffer m_cCUAMPSCModel;
253#else
254  ContextModel3DBuffer m_cCUXPosiSCModel;
255  ContextModel3DBuffer m_cCUYPosiSCModel;
256#endif
257  ContextModel3DBuffer m_cSaoFlagSCModel;
258  ContextModel3DBuffer m_cSaoUvlcSCModel;
259  ContextModel3DBuffer m_cSaoSvlcSCModel;
260#if SAO_UNIT_INTERLEAVING
261  ContextModel3DBuffer m_cSaoMergeLeftSCModel;
262  ContextModel3DBuffer m_cSaoMergeUpSCModel;
263  ContextModel3DBuffer m_cSaoTypeIdxSCModel;
264#endif
265
266#if HHI_DMM_WEDGE_INTRA || HHI_DMM_PRED_TEX
267  ContextModel3DBuffer m_cDmmFlagSCModel;
268  ContextModel3DBuffer m_cDmmModeSCModel;
269  ContextModel3DBuffer m_cDmmDataSCModel;
270#endif
271#if LGE_EDGE_INTRA_A0070
272  ContextModel3DBuffer m_cEdgeIntraSCModel;
273#if LGE_EDGE_INTRA_DELTA_DC
274  ContextModel3DBuffer m_cEdgeIntraDeltaDCSCModel;
275#endif
276#endif
277 
278#if RWTH_SDC_DLT_B0036
279  ContextModel3DBuffer m_cSDCFlagSCModel;
280 
281  ContextModel3DBuffer m_cSDCResidualFlagSCModel;
282  ContextModel3DBuffer m_cSDCResidualSignFlagSCModel;
283  ContextModel3DBuffer m_cSDCResidualSCModel;
284 
285  ContextModel3DBuffer m_cSDCPredModeSCModel;
286#endif
287};
288
289//! \}
290
291#endif // !defined(AFX_TDECSBAC_H__CFCAAA19_8110_47F4_9A16_810C4B5499D5__INCLUDED_)
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