source: 3DVCSoftware/trunk/source/Lib/TLibDecoder/TDecEntropy.h @ 210

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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.
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18 *    be used to endorse or promote products derived from this software without
19 *    specific prior written permission.
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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
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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     TDecEntropy.h
35    \brief    entropy decoder class (header)
36*/
37
38#ifndef __TDECENTROPY__
39#define __TDECENTROPY__
40
41#include "../TLibCommon/CommonDef.h"
42#include "../TLibCommon/TComBitStream.h"
43#include "../TLibCommon/TComSlice.h"
44#include "../TLibCommon/TComPic.h"
45#include "../TLibCommon/TComPrediction.h"
46#include "../TLibCommon/TComAdaptiveLoopFilter.h"
47#include "../TLibCommon/TComSampleAdaptiveOffset.h"
48
49class TDecSbac;
50class TDecCavlc;
51class SEImessages;
52class ParameterSetManagerDecoder;
53
54//! \ingroup TLibDecoder
55//! \{
56
57// ====================================================================================================================
58// Class definition
59// ====================================================================================================================
60
61/// entropy decoder pure class
62class TDecEntropyIf
63{
64public:
65  //  Virtual list for SBAC/CAVLC
66  virtual Void  resetEntropy          ( TComSlice* pcSlice )     = 0;
67  virtual Void  setBitstream          ( TComInputBitstream* p )  = 0;
68
69#if OL_FLUSH
70  virtual Void  decodeFlush()                                                                      = 0;
71#endif
72
73#if VIDYO_VPS_INTEGRATION|QC_MVHEVC_B0046
74  virtual Void  parseVPS                  ( TComVPS* pcVPS )                       = 0;
75#endif
76#if HHI_MPI
77  virtual Void  parseSPS                  ( TComSPS* pcSPS, Bool bIsDepth )                       = 0;
78#else
79  virtual Void  parseSPS                  ( TComSPS* pcSPS )                                      = 0;
80#endif
81#if TILES_OR_ENTROPY_SYNC_IDC 
82  virtual Void  parsePPS                  ( TComPPS* pcPPS, ParameterSetManagerDecoder *parameterSet )                                      = 0;
83#else
84  virtual Void  parsePPS                  ( TComPPS* pcPPS )                                      = 0;
85#endif
86  virtual Void  parseAPS                  ( TComAPS* pAPS  )                                      = 0;
87  virtual void parseSEI(SEImessages&) = 0;
88
89#if LCU_SYNTAX_ALF
90  virtual Void parseSliceHeader          ( TComSlice*& rpcSlice, ParameterSetManagerDecoder *parameterSetManager, AlfCUCtrlInfo &alfCUCtrl, AlfParamSet& alfParamSet)       = 0;
91#else
92  virtual Void parseSliceHeader          ( TComSlice*& rpcSlice, ParameterSetManagerDecoder *parameterSetManager, AlfCUCtrlInfo &alfCUCtrl )                                = 0;
93#endif
94
95  virtual Void  parseTerminatingBit       ( UInt& ruilsLast )                                     = 0;
96 
97#if HHI_INTER_VIEW_MOTION_PRED
98  virtual Void parseMVPIdx        ( Int& riMVPIdx, Int iNumAMVPCands ) = 0;
99#else
100  virtual Void parseMVPIdx        ( Int& riMVPIdx ) = 0;
101#endif
102 
103public:
104  virtual Void parseSkipFlag      ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
105#if LGE_ILLUCOMP_B0045
106  virtual Void parseICFlag        ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
107#endif
108  virtual Void parseSplitFlag     ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
109  virtual Void parseMergeFlag     ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiPUIdx ) = 0;
110  virtual Void parseMergeIndex    ( TComDataCU* pcCU, UInt& ruiMergeIndex, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
111#if HHI_INTER_VIEW_RESIDUAL_PRED
112  virtual Void parseResPredFlag   ( TComDataCU* pcCU, Bool& rbResPredFlag, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
113#endif
114  virtual Void parsePartSize      ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
115  virtual Void parsePredMode      ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
116 
117  virtual Void parseIntraDirLumaAng( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
118 
119  virtual Void parseIntraDirChroma( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
120 
121  virtual Void parseInterDir      ( TComDataCU* pcCU, UInt& ruiInterDir, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
122  virtual Void parseRefFrmIdx     ( TComDataCU* pcCU, Int& riRefFrmIdx, UInt uiAbsPartIdx, UInt uiDepth, RefPicList eRefList ) = 0;
123  virtual Void parseMvd           ( TComDataCU* pcCU, UInt uiAbsPartAddr, UInt uiPartIdx, UInt uiDepth, RefPicList eRefList ) = 0;
124 
125  virtual Void parseTransformSubdivFlag( UInt& ruiSubdivFlag, UInt uiLog2TransformBlockSize ) = 0;
126  virtual Void parseQtCbf         ( TComDataCU* pcCU, UInt uiAbsPartIdx, TextType eType, UInt uiTrDepth, UInt uiDepth ) = 0;
127  virtual Void parseQtRootCbf     ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt& uiQtRootCbf ) = 0;
128 
129  virtual Void parseDeltaQP       ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
130 
131  virtual Void parseIPCMInfo     ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth) = 0;
132
133  virtual Void parseCoeffNxN( TComDataCU* pcCU, TCoeff* pcCoef, UInt uiAbsPartIdx, UInt uiWidth, UInt uiHeight, UInt uiDepth, TextType eTType ) = 0;
134
135  /// set slice granularity
136  virtual Void setSliceGranularity(Int iSliceGranularity) = 0;
137
138  /// get slice granularity
139  virtual Int  getSliceGranularity()                      = 0;
140
141  virtual Void readTileMarker   ( UInt& uiTileIdx, UInt uiBitsUsed ) = 0;
142  virtual Void updateContextTables( SliceType eSliceType, Int iQp ) = 0;
143 
144#if RWTH_SDC_DLT_B0036
145  virtual Void parseSDCFlag    ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
146  virtual Void parseSDCPredMode     ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
147  virtual Void parseSDCResidualData     ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiPart ) = 0;
148#endif
149 
150  virtual ~TDecEntropyIf() {}
151};
152
153/// entropy decoder class
154class TDecEntropy
155{
156private:
157  TDecEntropyIf*  m_pcEntropyDecoderIf;
158  TComPrediction* m_pcPrediction;
159  UInt    m_uiBakAbsPartIdx;
160  UInt    m_uiBakChromaOffset;
161#if UNIFIED_TRANSFORM_TREE
162  UInt    m_bakAbsPartIdxCU;
163#endif
164 
165public:
166  Void init (TComPrediction* p) {m_pcPrediction = p;}
167  Void decodePUWise       ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, TComDataCU* pcSubCU );
168  Void decodeInterDirPU   ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiPartIdx );
169  Void decodeRefFrmIdxPU  ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiPartIdx, RefPicList eRefList );
170  Void decodeMvdPU        ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiPartIdx, RefPicList eRefList );
171  Void decodeMVPIdxPU     ( TComDataCU* pcSubCU, UInt uiPartAddr, UInt uiDepth, UInt uiPartIdx, RefPicList eRefList );
172 
173  Void    setEntropyDecoder           ( TDecEntropyIf* p );
174  Void    setBitstream                ( TComInputBitstream* p ) { m_pcEntropyDecoderIf->setBitstream(p);                    }
175  Void    resetEntropy                ( TComSlice* p)           { m_pcEntropyDecoderIf->resetEntropy(p);                    }
176
177#if VIDYO_VPS_INTEGRATION|QC_MVHEVC_B0046
178  Void    decodeVPS                   ( TComVPS* pcVPS ) { m_pcEntropyDecoderIf->parseVPS(pcVPS); }
179#endif
180 
181#if HHI_MPI
182  Void    decodeSPS                   ( TComSPS* pcSPS, Bool bIsDepth ) { m_pcEntropyDecoderIf->parseSPS(pcSPS, bIsDepth); }
183#else
184  Void    decodeSPS                   ( TComSPS* pcSPS     )    { m_pcEntropyDecoderIf->parseSPS(pcSPS);                    }
185#endif
186#if TILES_OR_ENTROPY_SYNC_IDC
187  Void    decodePPS                   ( TComPPS* pcPPS, ParameterSetManagerDecoder *parameterSet    )    { m_pcEntropyDecoderIf->parsePPS(pcPPS, parameterSet);                    }
188#else
189  Void    decodePPS                   ( TComPPS* pcPPS     )    { m_pcEntropyDecoderIf->parsePPS(pcPPS);                    }
190#endif
191  Void    decodeAPS                   ( TComAPS* pAPS      )    { m_pcEntropyDecoderIf->parseAPS(pAPS);}
192  void decodeSEI(SEImessages& seis) { m_pcEntropyDecoderIf->parseSEI(seis); }
193
194#if LCU_SYNTAX_ALF
195  Void    decodeSliceHeader           ( TComSlice*& rpcSlice, ParameterSetManagerDecoder *parameterSetManager, AlfCUCtrlInfo &alfCUCtrl, AlfParamSet& alfParamSet)  { m_pcEntropyDecoderIf->parseSliceHeader(rpcSlice, parameterSetManager, alfCUCtrl, alfParamSet);         }
196#else
197  Void    decodeSliceHeader           ( TComSlice*& rpcSlice, ParameterSetManagerDecoder *parameterSetManager, AlfCUCtrlInfo &alfCUCtrl )  { m_pcEntropyDecoderIf->parseSliceHeader(rpcSlice, parameterSetManager, alfCUCtrl);         }
198#endif
199
200  Void    decodeTerminatingBit        ( UInt& ruiIsLast )       { m_pcEntropyDecoderIf->parseTerminatingBit(ruiIsLast);     }
201 
202  TDecEntropyIf* getEntropyDecoder() { return m_pcEntropyDecoderIf; }
203 
204public:
205  Void decodeSplitFlag         ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
206  Void decodeSkipFlag          ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
207#if LGE_ILLUCOMP_B0045
208  Void decodeICFlag            ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
209#endif
210  Void decodeMergeFlag         ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiPUIdx );
211  Void decodeMergeIndex        ( TComDataCU* pcSubCU, UInt uiPartIdx, UInt uiPartAddr, PartSize eCUMode, UChar* puhInterDirNeighbours, TComMvField* pcMvFieldNeighbours, UInt uiDepth );
212#if HHI_INTER_VIEW_RESIDUAL_PRED
213  Void decodeResPredFlag       ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, TComDataCU* pcSubCU, UInt uiPUIdx );
214#endif
215  Void decodePredMode          ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
216  Void decodePartSize          ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
217 
218  Void decodeIPCMInfo          ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
219
220  Void decodePredInfo          ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, TComDataCU* pcSubCU );
221 
222  Void decodeIntraDirModeLuma  ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
223  Void decodeIntraDirModeChroma( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
224 
225#if !UNIFIED_TRANSFORM_TREE
226  Void decodeTransformIdx      ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
227#endif
228#if UNIFIED_TRANSFORM_TREE
229  Void decodeQP                ( TComDataCU* pcCU, UInt uiAbsPartIdx );
230#else
231  Void decodeQP                ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
232#endif
233 
234  Void readTileMarker         ( UInt& uiTileIdx, UInt uiBitsUsed )  {  m_pcEntropyDecoderIf->readTileMarker( uiTileIdx, uiBitsUsed ); }
235  Void updateContextTables    ( SliceType eSliceType, Int iQp ) { m_pcEntropyDecoderIf->updateContextTables( eSliceType, iQp ); }
236 
237 
238private:
239#if UNIFIED_TRANSFORM_TREE
240  Void xDecodeTransform        ( TComDataCU* pcCU, UInt offsetLuma, UInt offsetChroma, UInt uiAbsPartIdx, UInt absTUPartIdx, UInt uiDepth, UInt width, UInt height, UInt uiTrIdx, UInt uiInnerQuadIdx, UInt& uiYCbfFront3, UInt& uiUCbfFront3, UInt& uiVCbfFront3, Bool& bCodeDQP );
241#else
242  Void xDecodeTransformSubdiv  ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt absTUPartIdx, UInt uiDepth, UInt uiInnerQuadIdx, UInt& uiYCbfFront3, UInt& uiUCbfFront3, UInt& uiVCbfFront3 );
243 
244  Void xDecodeCoeff            ( TComDataCU* pcCU, UInt uiLumaOffset, UInt uiChromaOffset, UInt uiAbsPartIdx, UInt uiDepth, UInt uiWidth, UInt uiHeight, UInt uiTrIdx, UInt uiCurrTrIdx, Bool& bCodeDQP );
245#endif //UNIFIED_TRANSFORM_TREE
246
247public:
248  Void decodeCoeff             ( TComDataCU* pcCU                 , UInt uiAbsPartIdx, UInt uiDepth, UInt uiWidth, UInt uiHeight, Bool& bCodeDQP );
249 
250  // ALF-related
251
252  /// set slice granularity
253  Void setSliceGranularity (Int iSliceGranularity) {m_pcEntropyDecoderIf->setSliceGranularity(iSliceGranularity);}
254
255#if SAO_UNIT_INTERLEAVING
256  Void decodeSaoParam         (SAOParam* saoParam);
257  void decodeSaoLcu(Int rx, Int ry, Int compIdx, SAOParam* saoParam, Bool &repeatedRow );
258  Void decodeSaoOneLcu(SaoLcuParam* saoLcuParam);
259#endif
260
261#if OL_FLUSH
262  Void decodeFlush() { m_pcEntropyDecoderIf->decodeFlush(); }
263#endif
264 
265#if RWTH_SDC_DLT_B0036
266  Void decodeSDCPredMode( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
267  Void decodeSDCFlag( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
268  Void decodeSDCResidualData ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
269#endif
270
271};// END CLASS DEFINITION TDecEntropy
272
273//! \}
274
275#endif // __TDECENTROPY__
276
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