source: 3DVCSoftware/trunk/source/Lib/TLibDecoder/TDecEntropy.h @ 77

Last change on this file since 77 was 77, checked in by tech, 12 years ago

Merged with branch/HTM-3.0Samsung REV74 including:

  • restricted residual prediction m24766
  • Inter-view residual prediction m24938
  • VPS concept m24714,m24878, m24945,m24896, m2491
  • reference list modification, restriction on IDR m24876, m24874
  • depth based motion parameter prediction m24829

Fixed bugs:

  • interview prediction
  • VSO

Added:

  • xcode project
  • Property svn:eol-style set to native
File size: 12.6 KB
Line 
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     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
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  virtual Void parseSplitFlag     ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
106  virtual Void parseMergeFlag     ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiPUIdx ) = 0;
107  virtual Void parseMergeIndex    ( TComDataCU* pcCU, UInt& ruiMergeIndex, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
108#if HHI_INTER_VIEW_RESIDUAL_PRED
109  virtual Void parseResPredFlag   ( TComDataCU* pcCU, Bool& rbResPredFlag, 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  virtual ~TDecEntropyIf() {}
142};
143
144/// entropy decoder class
145class TDecEntropy
146{
147private:
148  TDecEntropyIf*  m_pcEntropyDecoderIf;
149  TComPrediction* m_pcPrediction;
150  UInt    m_uiBakAbsPartIdx;
151  UInt    m_uiBakChromaOffset;
152#if UNIFIED_TRANSFORM_TREE
153  UInt    m_bakAbsPartIdxCU;
154#endif
155 
156public:
157  Void init (TComPrediction* p) {m_pcPrediction = p;}
158  Void decodePUWise       ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, TComDataCU* pcSubCU );
159  Void decodeInterDirPU   ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiPartIdx );
160  Void decodeRefFrmIdxPU  ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiPartIdx, RefPicList eRefList );
161  Void decodeMvdPU        ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiPartIdx, RefPicList eRefList );
162  Void decodeMVPIdxPU     ( TComDataCU* pcSubCU, UInt uiPartAddr, UInt uiDepth, UInt uiPartIdx, RefPicList eRefList );
163 
164  Void    setEntropyDecoder           ( TDecEntropyIf* p );
165  Void    setBitstream                ( TComInputBitstream* p ) { m_pcEntropyDecoderIf->setBitstream(p);                    }
166  Void    resetEntropy                ( TComSlice* p)           { m_pcEntropyDecoderIf->resetEntropy(p);                    }
167
168#if VIDYO_VPS_INTEGRATION
169  Void    decodeVPS                   ( TComVPS* pcVPS ) { m_pcEntropyDecoderIf->parseVPS(pcVPS); }
170#endif
171 
172#if HHI_MPI
173  Void    decodeSPS                   ( TComSPS* pcSPS, Bool bIsDepth ) { m_pcEntropyDecoderIf->parseSPS(pcSPS, bIsDepth); }
174#else
175  Void    decodeSPS                   ( TComSPS* pcSPS     )    { m_pcEntropyDecoderIf->parseSPS(pcSPS);                    }
176#endif
177#if TILES_OR_ENTROPY_SYNC_IDC
178  Void    decodePPS                   ( TComPPS* pcPPS, ParameterSetManagerDecoder *parameterSet    )    { m_pcEntropyDecoderIf->parsePPS(pcPPS, parameterSet);                    }
179#else
180  Void    decodePPS                   ( TComPPS* pcPPS     )    { m_pcEntropyDecoderIf->parsePPS(pcPPS);                    }
181#endif
182  Void    decodeAPS                   ( TComAPS* pAPS      )    { m_pcEntropyDecoderIf->parseAPS(pAPS);}
183  void decodeSEI(SEImessages& seis) { m_pcEntropyDecoderIf->parseSEI(seis); }
184
185#if LCU_SYNTAX_ALF
186  Void    decodeSliceHeader           ( TComSlice*& rpcSlice, ParameterSetManagerDecoder *parameterSetManager, AlfCUCtrlInfo &alfCUCtrl, AlfParamSet& alfParamSet)  { m_pcEntropyDecoderIf->parseSliceHeader(rpcSlice, parameterSetManager, alfCUCtrl, alfParamSet);         }
187#else
188  Void    decodeSliceHeader           ( TComSlice*& rpcSlice, ParameterSetManagerDecoder *parameterSetManager, AlfCUCtrlInfo &alfCUCtrl )  { m_pcEntropyDecoderIf->parseSliceHeader(rpcSlice, parameterSetManager, alfCUCtrl);         }
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  Void decodeMergeFlag         ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiPUIdx );
199  Void decodeMergeIndex        ( TComDataCU* pcSubCU, UInt uiPartIdx, UInt uiPartAddr, PartSize eCUMode, UChar* puhInterDirNeighbours, TComMvField* pcMvFieldNeighbours, UInt uiDepth );
200#if HHI_INTER_VIEW_RESIDUAL_PRED
201  Void decodeResPredFlag       ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, TComDataCU* pcSubCU, UInt uiPUIdx );
202#endif
203  Void decodePredMode          ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
204  Void decodePartSize          ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
205 
206  Void decodeIPCMInfo          ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
207
208  Void decodePredInfo          ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, TComDataCU* pcSubCU );
209 
210  Void decodeIntraDirModeLuma  ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
211  Void decodeIntraDirModeChroma( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
212 
213#if !UNIFIED_TRANSFORM_TREE
214  Void decodeTransformIdx      ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
215#endif
216#if UNIFIED_TRANSFORM_TREE
217  Void decodeQP                ( TComDataCU* pcCU, UInt uiAbsPartIdx );
218#else
219  Void decodeQP                ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
220#endif
221 
222  Void readTileMarker         ( UInt& uiTileIdx, UInt uiBitsUsed )  {  m_pcEntropyDecoderIf->readTileMarker( uiTileIdx, uiBitsUsed ); }
223  Void updateContextTables    ( SliceType eSliceType, Int iQp ) { m_pcEntropyDecoderIf->updateContextTables( eSliceType, iQp ); }
224 
225 
226private:
227#if UNIFIED_TRANSFORM_TREE
228  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 );
229#else
230  Void xDecodeTransformSubdiv  ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt absTUPartIdx, UInt uiDepth, UInt uiInnerQuadIdx, UInt& uiYCbfFront3, UInt& uiUCbfFront3, UInt& uiVCbfFront3 );
231 
232  Void xDecodeCoeff            ( TComDataCU* pcCU, UInt uiLumaOffset, UInt uiChromaOffset, UInt uiAbsPartIdx, UInt uiDepth, UInt uiWidth, UInt uiHeight, UInt uiTrIdx, UInt uiCurrTrIdx, Bool& bCodeDQP );
233#endif //UNIFIED_TRANSFORM_TREE
234
235public:
236  Void decodeCoeff             ( TComDataCU* pcCU                 , UInt uiAbsPartIdx, UInt uiDepth, UInt uiWidth, UInt uiHeight, Bool& bCodeDQP );
237 
238  // ALF-related
239
240  /// set slice granularity
241  Void setSliceGranularity (Int iSliceGranularity) {m_pcEntropyDecoderIf->setSliceGranularity(iSliceGranularity);}
242
243#if SAO_UNIT_INTERLEAVING
244  Void decodeSaoParam         (SAOParam* saoParam);
245  void decodeSaoLcu(Int rx, Int ry, Int compIdx, SAOParam* saoParam, Bool &repeatedRow );
246  Void decodeSaoOneLcu(SaoLcuParam* saoLcuParam);
247#endif
248
249#if OL_FLUSH
250  Void decodeFlush() { m_pcEntropyDecoderIf->decodeFlush(); }
251#endif
252
253};// END CLASS DEFINITION TDecEntropy
254
255//! \}
256
257#endif // __TDECENTROPY__
258
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