source: 3DVCSoftware/branches/HTM-3.0-LG/source/Lib/TLibDecoder/TDecEntropy.h @ 141

Last change on this file since 141 was 56, checked in by hschwarz, 13 years ago

updated trunk (move to HM6.1)
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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
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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     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 HHI_MPI
74  virtual Void  parseSPS                  ( TComSPS* pcSPS, Bool bIsDepth )                       = 0;
75#else
76  virtual Void  parseSPS                  ( TComSPS* pcSPS )                                      = 0;
77#endif
78#if TILES_OR_ENTROPY_SYNC_IDC 
79  virtual Void  parsePPS                  ( TComPPS* pcPPS, ParameterSetManagerDecoder *parameterSet )                                      = 0;
80#else
81  virtual Void  parsePPS                  ( TComPPS* pcPPS )                                      = 0;
82#endif
83  virtual Void  parseAPS                  ( TComAPS* pAPS  )                                      = 0;
84  virtual void parseSEI(SEImessages&) = 0;
85
86#if LCU_SYNTAX_ALF
87  virtual Void parseSliceHeader          ( TComSlice*& rpcSlice, ParameterSetManagerDecoder *parameterSetManager, AlfCUCtrlInfo &alfCUCtrl, AlfParamSet& alfParamSet)       = 0;
88#else
89  virtual Void parseSliceHeader          ( TComSlice*& rpcSlice, ParameterSetManagerDecoder *parameterSetManager, AlfCUCtrlInfo &alfCUCtrl )                                = 0;
90#endif
91
92  virtual Void  parseTerminatingBit       ( UInt& ruilsLast )                                     = 0;
93 
94#if HHI_INTER_VIEW_MOTION_PRED
95  virtual Void parseMVPIdx        ( Int& riMVPIdx, Int iNumAMVPCands ) = 0;
96#else
97  virtual Void parseMVPIdx        ( Int& riMVPIdx ) = 0;
98#endif
99 
100public:
101  virtual Void parseSkipFlag      ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
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 HHI_INTER_VIEW_RESIDUAL_PRED
106  virtual Void parseResPredFlag   ( TComDataCU* pcCU, Bool& rbResPredFlag, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
107#endif
108  virtual Void parsePartSize      ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
109  virtual Void parsePredMode      ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
110 
111  virtual Void parseIntraDirLumaAng( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
112 
113  virtual Void parseIntraDirChroma( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
114 
115  virtual Void parseInterDir      ( TComDataCU* pcCU, UInt& ruiInterDir, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
116  virtual Void parseRefFrmIdx     ( TComDataCU* pcCU, Int& riRefFrmIdx, UInt uiAbsPartIdx, UInt uiDepth, RefPicList eRefList ) = 0;
117  virtual Void parseMvd           ( TComDataCU* pcCU, UInt uiAbsPartAddr, UInt uiPartIdx, UInt uiDepth, RefPicList eRefList ) = 0;
118 
119  virtual Void parseTransformSubdivFlag( UInt& ruiSubdivFlag, UInt uiLog2TransformBlockSize ) = 0;
120  virtual Void parseQtCbf         ( TComDataCU* pcCU, UInt uiAbsPartIdx, TextType eType, UInt uiTrDepth, UInt uiDepth ) = 0;
121  virtual Void parseQtRootCbf     ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt& uiQtRootCbf ) = 0;
122 
123  virtual Void parseDeltaQP       ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
124 
125  virtual Void parseIPCMInfo     ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth) = 0;
126
127  virtual Void parseCoeffNxN( TComDataCU* pcCU, TCoeff* pcCoef, UInt uiAbsPartIdx, UInt uiWidth, UInt uiHeight, UInt uiDepth, TextType eTType ) = 0;
128
129  /// set slice granularity
130  virtual Void setSliceGranularity(Int iSliceGranularity) = 0;
131
132  /// get slice granularity
133  virtual Int  getSliceGranularity()                      = 0;
134
135  virtual Void readTileMarker   ( UInt& uiTileIdx, UInt uiBitsUsed ) = 0;
136  virtual Void updateContextTables( SliceType eSliceType, Int iQp ) = 0;
137 
138  virtual ~TDecEntropyIf() {}
139};
140
141/// entropy decoder class
142class TDecEntropy
143{
144private:
145  TDecEntropyIf*  m_pcEntropyDecoderIf;
146  TComPrediction* m_pcPrediction;
147  UInt    m_uiBakAbsPartIdx;
148  UInt    m_uiBakChromaOffset;
149#if UNIFIED_TRANSFORM_TREE
150  UInt    m_bakAbsPartIdxCU;
151#endif
152 
153public:
154  Void init (TComPrediction* p) {m_pcPrediction = p;}
155  Void decodePUWise       ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, TComDataCU* pcSubCU );
156  Void decodeInterDirPU   ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiPartIdx );
157  Void decodeRefFrmIdxPU  ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiPartIdx, RefPicList eRefList );
158  Void decodeMvdPU        ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiPartIdx, RefPicList eRefList );
159  Void decodeMVPIdxPU     ( TComDataCU* pcSubCU, UInt uiPartAddr, UInt uiDepth, UInt uiPartIdx, RefPicList eRefList );
160 
161  Void    setEntropyDecoder           ( TDecEntropyIf* p );
162  Void    setBitstream                ( TComInputBitstream* p ) { m_pcEntropyDecoderIf->setBitstream(p);                    }
163  Void    resetEntropy                ( TComSlice* p)           { m_pcEntropyDecoderIf->resetEntropy(p);                    }
164
165#if HHI_MPI
166  Void    decodeSPS                   ( TComSPS* pcSPS, Bool bIsDepth ) { m_pcEntropyDecoderIf->parseSPS(pcSPS, bIsDepth); }
167#else
168  Void    decodeSPS                   ( TComSPS* pcSPS     )    { m_pcEntropyDecoderIf->parseSPS(pcSPS);                    }
169#endif
170#if TILES_OR_ENTROPY_SYNC_IDC
171  Void    decodePPS                   ( TComPPS* pcPPS, ParameterSetManagerDecoder *parameterSet    )    { m_pcEntropyDecoderIf->parsePPS(pcPPS, parameterSet);                    }
172#else
173  Void    decodePPS                   ( TComPPS* pcPPS     )    { m_pcEntropyDecoderIf->parsePPS(pcPPS);                    }
174#endif
175  Void    decodeAPS                   ( TComAPS* pAPS      )    { m_pcEntropyDecoderIf->parseAPS(pAPS);}
176  void decodeSEI(SEImessages& seis) { m_pcEntropyDecoderIf->parseSEI(seis); }
177
178#if LCU_SYNTAX_ALF
179  Void    decodeSliceHeader           ( TComSlice*& rpcSlice, ParameterSetManagerDecoder *parameterSetManager, AlfCUCtrlInfo &alfCUCtrl, AlfParamSet& alfParamSet)  { m_pcEntropyDecoderIf->parseSliceHeader(rpcSlice, parameterSetManager, alfCUCtrl, alfParamSet);         }
180#else
181  Void    decodeSliceHeader           ( TComSlice*& rpcSlice, ParameterSetManagerDecoder *parameterSetManager, AlfCUCtrlInfo &alfCUCtrl )  { m_pcEntropyDecoderIf->parseSliceHeader(rpcSlice, parameterSetManager, alfCUCtrl);         }
182#endif
183
184  Void    decodeTerminatingBit        ( UInt& ruiIsLast )       { m_pcEntropyDecoderIf->parseTerminatingBit(ruiIsLast);     }
185 
186  TDecEntropyIf* getEntropyDecoder() { return m_pcEntropyDecoderIf; }
187 
188public:
189  Void decodeSplitFlag         ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
190  Void decodeSkipFlag          ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
191  Void decodeMergeFlag         ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiPUIdx );
192  Void decodeMergeIndex        ( TComDataCU* pcSubCU, UInt uiPartIdx, UInt uiPartAddr, PartSize eCUMode, UChar* puhInterDirNeighbours, TComMvField* pcMvFieldNeighbours, UInt uiDepth );
193#if HHI_INTER_VIEW_RESIDUAL_PRED
194  Void decodeResPredFlag       ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, TComDataCU* pcSubCU, UInt uiPUIdx );
195#endif
196  Void decodePredMode          ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
197  Void decodePartSize          ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
198 
199  Void decodeIPCMInfo          ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
200
201  Void decodePredInfo          ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, TComDataCU* pcSubCU );
202 
203  Void decodeIntraDirModeLuma  ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
204  Void decodeIntraDirModeChroma( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
205 
206#if !UNIFIED_TRANSFORM_TREE
207  Void decodeTransformIdx      ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
208#endif
209#if UNIFIED_TRANSFORM_TREE
210  Void decodeQP                ( TComDataCU* pcCU, UInt uiAbsPartIdx );
211#else
212  Void decodeQP                ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
213#endif
214 
215  Void readTileMarker         ( UInt& uiTileIdx, UInt uiBitsUsed )  {  m_pcEntropyDecoderIf->readTileMarker( uiTileIdx, uiBitsUsed ); }
216  Void updateContextTables    ( SliceType eSliceType, Int iQp ) { m_pcEntropyDecoderIf->updateContextTables( eSliceType, iQp ); }
217 
218 
219private:
220#if UNIFIED_TRANSFORM_TREE
221  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 );
222#else
223  Void xDecodeTransformSubdiv  ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt absTUPartIdx, UInt uiDepth, UInt uiInnerQuadIdx, UInt& uiYCbfFront3, UInt& uiUCbfFront3, UInt& uiVCbfFront3 );
224 
225  Void xDecodeCoeff            ( TComDataCU* pcCU, UInt uiLumaOffset, UInt uiChromaOffset, UInt uiAbsPartIdx, UInt uiDepth, UInt uiWidth, UInt uiHeight, UInt uiTrIdx, UInt uiCurrTrIdx, Bool& bCodeDQP );
226#endif //UNIFIED_TRANSFORM_TREE
227
228public:
229  Void decodeCoeff             ( TComDataCU* pcCU                 , UInt uiAbsPartIdx, UInt uiDepth, UInt uiWidth, UInt uiHeight, Bool& bCodeDQP );
230 
231  // ALF-related
232
233  /// set slice granularity
234  Void setSliceGranularity (Int iSliceGranularity) {m_pcEntropyDecoderIf->setSliceGranularity(iSliceGranularity);}
235
236#if SAO_UNIT_INTERLEAVING
237  Void decodeSaoParam         (SAOParam* saoParam);
238  void decodeSaoLcu(Int rx, Int ry, Int compIdx, SAOParam* saoParam, Bool &repeatedRow );
239  Void decodeSaoOneLcu(SaoLcuParam* saoLcuParam);
240#endif
241
242#if OL_FLUSH
243  Void decodeFlush() { m_pcEntropyDecoderIf->decodeFlush(); }
244#endif
245
246};// END CLASS DEFINITION TDecEntropy
247
248//! \}
249
250#endif // __TDECENTROPY__
251
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