source: 3DVCSoftware/branches/HTM-6.2-dev0/source/Lib/TLibDecoder/TDecEntropy.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.
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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  virtual Void  decodeFlush()                                                                      = 0;
70
71#if VIDYO_VPS_INTEGRATION|QC_MVHEVC_B0046
72  virtual Void  parseVPS                  ( TComVPS* pcVPS )                       = 0;
73#endif
74#if HHI_MPI || H3D_QTL
75  virtual Void  parseSPS                  ( TComSPS* pcSPS, Bool bIsDepth )                       = 0;
76#else
77  virtual Void  parseSPS                  ( TComSPS* pcSPS )                                      = 0;
78#endif
79  virtual Void  parsePPS                  ( TComPPS* pcPPS, ParameterSetManagerDecoder *parameterSet )                                      = 0;
80  virtual Void  parseAPS                  ( TComAPS* pAPS  )                                      = 0;
81  virtual void parseSEI(SEImessages&) = 0;
82
83#if MTK_DEPTH_MERGE_TEXTURE_CANDIDATE_C0137
84  virtual Void parseSliceHeader          ( TComSlice*& rpcSlice, ParameterSetManagerDecoder *parameterSetManager, AlfCUCtrlInfo &alfCUCtrl, AlfParamSet& alfParamSet, bool isDepth)       = 0;
85#else
86  virtual Void parseSliceHeader          ( TComSlice*& rpcSlice, ParameterSetManagerDecoder *parameterSetManager, AlfCUCtrlInfo &alfCUCtrl, AlfParamSet& alfParamSet)       = 0;
87#endif
88
89  virtual Void  parseTerminatingBit       ( UInt& ruilsLast )                                     = 0;
90 
91#if H3D_IVMP
92  virtual Void parseMVPIdx        ( Int& riMVPIdx, Int iNumAMVPCands ) = 0;
93#else
94  virtual Void parseMVPIdx        ( Int& riMVPIdx ) = 0;
95#endif
96 
97public:
98  virtual Void parseSkipFlag      ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
99#if LGE_ILLUCOMP_B0045
100  virtual Void parseICFlag        ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
101#endif
102  virtual Void parseSplitFlag     ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
103  virtual Void parseMergeFlag     ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiPUIdx ) = 0;
104  virtual Void parseMergeIndex    ( TComDataCU* pcCU, UInt& ruiMergeIndex, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
105#if H3D_IVRP
106  virtual Void parseResPredFlag   ( TComDataCU* pcCU, Bool& rbResPredFlag, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
107#endif
108#if QC_ARP_D0177
109  virtual Void parseARPW         ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
110#endif
111  virtual Void parsePartSize      ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
112  virtual Void parsePredMode      ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
113 
114  virtual Void parseIntraDirLumaAng( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
115 
116  virtual Void parseIntraDirChroma( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
117 
118  virtual Void parseInterDir      ( TComDataCU* pcCU, UInt& ruiInterDir, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
119  virtual Void parseRefFrmIdx     ( TComDataCU* pcCU, Int& riRefFrmIdx, UInt uiAbsPartIdx, UInt uiDepth, RefPicList eRefList ) = 0;
120  virtual Void parseMvd           ( TComDataCU* pcCU, UInt uiAbsPartAddr, UInt uiPartIdx, UInt uiDepth, RefPicList eRefList ) = 0;
121 
122  virtual Void parseTransformSubdivFlag( UInt& ruiSubdivFlag, UInt uiLog2TransformBlockSize ) = 0;
123  virtual Void parseQtCbf         ( TComDataCU* pcCU, UInt uiAbsPartIdx, TextType eType, UInt uiTrDepth, UInt uiDepth ) = 0;
124  virtual Void parseQtRootCbf     ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt& uiQtRootCbf ) = 0;
125 
126  virtual Void parseDeltaQP       ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
127 
128  virtual Void parseIPCMInfo     ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth) = 0;
129
130  virtual Void parseCoeffNxN( TComDataCU* pcCU, TCoeff* pcCoef, UInt uiAbsPartIdx, UInt uiWidth, UInt uiHeight, UInt uiDepth, TextType eTType ) = 0;
131
132  /// set slice granularity
133  virtual Void setSliceGranularity(Int iSliceGranularity) = 0;
134
135  /// get slice granularity
136  virtual Int  getSliceGranularity()                      = 0;
137
138  virtual Void readTileMarker   ( UInt& uiTileIdx, UInt uiBitsUsed ) = 0;
139  virtual Void updateContextTables( SliceType eSliceType, Int iQp ) = 0;
140 
141#if RWTH_SDC_DLT_B0036
142  virtual Void parseSDCFlag    ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
143  virtual Void parseSDCPredMode     ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
144  virtual Void parseSDCResidualData     ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiPart ) = 0;
145#endif
146 
147  virtual ~TDecEntropyIf() {}
148};
149
150/// entropy decoder class
151class TDecEntropy
152{
153private:
154  TDecEntropyIf*  m_pcEntropyDecoderIf;
155  TComPrediction* m_pcPrediction;
156  UInt    m_uiBakAbsPartIdx;
157  UInt    m_uiBakChromaOffset;
158  UInt    m_bakAbsPartIdxCU;
159 
160public:
161  Void init (TComPrediction* p) {m_pcPrediction = p;}
162  Void decodePUWise       ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, TComDataCU* pcSubCU );
163  Void decodeInterDirPU   ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiPartIdx );
164  Void decodeRefFrmIdxPU  ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiPartIdx, RefPicList eRefList );
165  Void decodeMvdPU        ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiPartIdx, RefPicList eRefList );
166  Void decodeMVPIdxPU     ( TComDataCU* pcSubCU, UInt uiPartAddr, UInt uiDepth, UInt uiPartIdx, RefPicList eRefList );
167 
168  Void    setEntropyDecoder           ( TDecEntropyIf* p );
169  Void    setBitstream                ( TComInputBitstream* p ) { m_pcEntropyDecoderIf->setBitstream(p);                    }
170  Void    resetEntropy                ( TComSlice* p)           { m_pcEntropyDecoderIf->resetEntropy(p);                    }
171
172#if VIDYO_VPS_INTEGRATION|QC_MVHEVC_B0046
173  Void    decodeVPS                   ( TComVPS* pcVPS ) { m_pcEntropyDecoderIf->parseVPS(pcVPS); }
174#endif
175 
176#if HHI_MPI || H3D_QTL
177  Void    decodeSPS                   ( TComSPS* pcSPS, Bool bIsDepth ) { m_pcEntropyDecoderIf->parseSPS(pcSPS, bIsDepth); }
178#else
179  Void    decodeSPS                   ( TComSPS* pcSPS     )    { m_pcEntropyDecoderIf->parseSPS(pcSPS);                    }
180#endif
181  Void    decodePPS                   ( TComPPS* pcPPS, ParameterSetManagerDecoder *parameterSet    )    { m_pcEntropyDecoderIf->parsePPS(pcPPS, parameterSet);                    }
182  Void    decodeAPS                   ( TComAPS* pAPS      )    { m_pcEntropyDecoderIf->parseAPS(pAPS);}
183  void decodeSEI(SEImessages& seis) { m_pcEntropyDecoderIf->parseSEI(seis); }
184
185#if MTK_DEPTH_MERGE_TEXTURE_CANDIDATE_C0137
186  Void    decodeSliceHeader           ( TComSlice*& rpcSlice, ParameterSetManagerDecoder *parameterSetManager, AlfCUCtrlInfo &alfCUCtrl, AlfParamSet& alfParamSet, bool isDepth)  { m_pcEntropyDecoderIf->parseSliceHeader(rpcSlice, parameterSetManager, alfCUCtrl, alfParamSet, isDepth);         }
187#else
188  Void    decodeSliceHeader           ( TComSlice*& rpcSlice, ParameterSetManagerDecoder *parameterSetManager, AlfCUCtrlInfo &alfCUCtrl, AlfParamSet& alfParamSet)  { m_pcEntropyDecoderIf->parseSliceHeader(rpcSlice, parameterSetManager, alfCUCtrl, alfParamSet);         }
189#endif
190
191  Void    decodeTerminatingBit        ( UInt& ruiIsLast )       { m_pcEntropyDecoderIf->parseTerminatingBit(ruiIsLast);     }
192 
193  TDecEntropyIf* getEntropyDecoder() { return m_pcEntropyDecoderIf; }
194 
195public:
196  Void decodeSplitFlag         ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
197  Void decodeSkipFlag          ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
198#if LGE_ILLUCOMP_B0045
199  Void decodeICFlag            ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
200#endif
201  Void decodeMergeFlag         ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiPUIdx );
202  Void decodeMergeIndex        ( TComDataCU* pcSubCU, UInt uiPartIdx, UInt uiPartAddr, PartSize eCUMode, UChar* puhInterDirNeighbours, TComMvField* pcMvFieldNeighbours, UInt uiDepth );
203#if QC_ARP_D0177
204  Void decodeARPW              ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, TComDataCU* pcSubCU, UInt uiPUIdx );
205#endif
206  Void decodePredMode          ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
207  Void decodePartSize          ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
208 
209  Void decodeIPCMInfo          ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
210
211  Void decodePredInfo          ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, TComDataCU* pcSubCU );
212 
213  Void decodeIntraDirModeLuma  ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
214  Void decodeIntraDirModeChroma( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
215 
216  Void decodeQP                ( TComDataCU* pcCU, UInt uiAbsPartIdx );
217 
218  Void readTileMarker         ( UInt& uiTileIdx, UInt uiBitsUsed )  {  m_pcEntropyDecoderIf->readTileMarker( uiTileIdx, uiBitsUsed ); }
219  Void updateContextTables    ( SliceType eSliceType, Int iQp ) { m_pcEntropyDecoderIf->updateContextTables( eSliceType, iQp ); }
220 
221 
222private:
223  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 );
224
225public:
226  Void decodeCoeff             ( TComDataCU* pcCU                 , UInt uiAbsPartIdx, UInt uiDepth, UInt uiWidth, UInt uiHeight, Bool& bCodeDQP );
227 
228  // ALF-related
229
230  /// set slice granularity
231  Void setSliceGranularity (Int iSliceGranularity) {m_pcEntropyDecoderIf->setSliceGranularity(iSliceGranularity);}
232
233#if !LGE_SAO_MIGRATION_D0091
234  Void decodeSaoParam         (SAOParam* saoParam);
235  void decodeSaoLcu(Int rx, Int ry, Int compIdx, SAOParam* saoParam, Bool &repeatedRow );
236  Void decodeSaoOneLcu(SaoLcuParam* saoLcuParam);
237#endif
238
239  Void decodeFlush() { m_pcEntropyDecoderIf->decodeFlush(); }
240 
241#if RWTH_SDC_DLT_B0036
242  Void decodeSDCPredMode( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
243  Void decodeSDCFlag( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
244  Void decodeSDCResidualData ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
245#endif
246
247};// END CLASS DEFINITION TDecEntropy
248
249//! \}
250
251#endif // __TDECENTROPY__
252
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