source: 3DVCSoftware/trunk/source/Lib/TLibDecoder/TDecEntropy.h @ 1396

Last change on this file since 1396 was 1321, checked in by tech, 9 years ago

Merged 15.0-dev0@1320.
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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) 2010-2015, 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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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#include "TLibCommon/CommonDef.h"
41#include "TLibCommon/TComBitStream.h"
42#include "TLibCommon/TComSlice.h"
43#include "TLibCommon/TComPic.h"
44#include "TLibCommon/TComSampleAdaptiveOffset.h"
45#include "TLibCommon/TComRectangle.h"
46class TDecSbac;
47class TDecCavlc;
48class ParameterSetManagerDecoder;
49class TComPrediction;
50
51//! \ingroup TLibDecoder
52//! \{
53
54// ====================================================================================================================
55// Class definition
56// ====================================================================================================================
57
58/// entropy decoder pure class
59class TDecEntropyIf
60{
61public:
62  //  Virtual list for SBAC/CAVLC
63  virtual Void  resetEntropy          ( TComSlice* pcSlice )     = 0;
64  virtual Void  setBitstream          ( TComInputBitstream* p )  = 0;
65
66  virtual Void  parseVPS                  ( TComVPS* pcVPS )     = 0;
67  virtual Void  parseSPS                  ( TComSPS* pcSPS )     = 0;
68  virtual Void  parsePPS                  ( TComPPS* pcPPS )     = 0;
69#if NH_MV
70  virtual Void  parseFirstSliceSegmentInPicFlag( TComSlice* pcSlice ) = 0;
71  virtual Void  parseSliceHeader          ( TComSlice* pcSlice, ParameterSetManager *parameterSetManager )       = 0;
72#else
73  virtual Void  parseSliceHeader          ( TComSlice* pcSlice, ParameterSetManager *parameterSetManager, const Int prevTid0POC)       = 0;
74#endif
75
76  virtual Void parseTerminatingBit       ( UInt& ruilsLast )                                     = 0;
77  virtual Void parseRemainingBytes( Bool noTrailingBytesExpected ) = 0;
78
79  virtual Void parseMVPIdx        ( Int& riMVPIdx ) = 0;
80
81public:
82  virtual Void parseSkipFlag      ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
83#if NH_3D_DIS
84  virtual Void parseDIS           ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
85#endif
86  virtual Void parseCUTransquantBypassFlag( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
87  virtual Void parseSplitFlag     ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
88  virtual Void parseMergeFlag     ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiPUIdx ) = 0;
89  virtual Void parseMergeIndex    ( TComDataCU* pcCU, UInt& ruiMergeIndex ) = 0;
90#if NH_3D_ARP
91  virtual Void parseARPW          ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
92#endif
93#if NH_3D_IC
94  virtual Void parseICFlag        ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
95#endif
96#if NH_3D_DMM || NH_3D_SDC_INTRA || NH_3D_SDC_INTER
97  virtual Void  parseDeltaDC      ( TComDataCU* pcCU, UInt absPartIdx, UInt depth ) = 0;
98#endif
99#if NH_3D_SDC_INTRA || NH_3D_SDC_INTER
100  virtual Void parseSDCFlag       ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
101#endif
102#if NH_3D_DBBP
103  virtual Void parseDBBPFlag      ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
104#endif
105  virtual Void parsePartSize      ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
106  virtual Void parsePredMode      ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
107
108  virtual Void parseIntraDirLumaAng( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
109  virtual Void parseIntraDirChroma( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
110
111  virtual Void parseInterDir      ( TComDataCU* pcCU, UInt& ruiInterDir, UInt uiAbsPartIdx ) = 0;
112  virtual Void parseRefFrmIdx     ( TComDataCU* pcCU, Int& riRefFrmIdx, RefPicList eRefList ) = 0;
113  virtual Void parseMvd           ( TComDataCU* pcCU, UInt uiAbsPartAddr, UInt uiPartIdx, UInt uiDepth, RefPicList eRefList ) = 0;
114
115  virtual Void parseCrossComponentPrediction ( class TComTU &rTu, ComponentID compID ) = 0;
116
117  virtual Void parseTransformSubdivFlag( UInt& ruiSubdivFlag, UInt uiLog2TransformBlockSize ) = 0;
118  virtual Void parseQtCbf         ( TComTU &rTu, const ComponentID compID, const Bool lowestLevel ) = 0;
119  virtual Void parseQtRootCbf     ( UInt uiAbsPartIdx, UInt& uiQtRootCbf ) = 0;
120
121  virtual Void parseDeltaQP       ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
122  virtual Void parseChromaQpAdjustment( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
123
124  virtual Void parseIPCMInfo     ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth) = 0;
125
126  virtual Void parseCoeffNxN( class TComTU &rTu, ComponentID compID  ) = 0;
127
128  virtual Void parseTransformSkipFlags ( class TComTU &rTu, ComponentID component ) = 0;
129
130  virtual Void parseExplicitRdpcmMode ( TComTU &rTu, ComponentID compID ) = 0;
131
132  virtual ~TDecEntropyIf() {}
133};
134
135/// entropy decoder class
136class TDecEntropy
137{
138private:
139  TDecEntropyIf*  m_pcEntropyDecoderIf;
140  TComPrediction* m_pcPrediction;
141  //UInt    m_uiBakAbsPartIdx;
142  //UInt    m_uiBakChromaOffset;
143  //UInt    m_bakAbsPartIdxCU;
144
145public:
146  Void init (TComPrediction* p) {m_pcPrediction = p;}
147  Void decodePUWise       ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, TComDataCU* pcSubCU );
148  Void decodeInterDirPU   ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiPartIdx );
149  Void decodeRefFrmIdxPU  ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiPartIdx, RefPicList eRefList );
150  Void decodeMvdPU        ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiPartIdx, RefPicList eRefList );
151  Void decodeMVPIdxPU     ( TComDataCU* pcSubCU, UInt uiPartAddr, UInt uiDepth, UInt uiPartIdx, RefPicList eRefList );
152#if NH_3D
153  Void decodeMvsAMVP      ( TComDataCU* pcSubCU, UInt uiPartAddr, UInt uiDepth, UInt uiPartIdx, 
154RefPicList eRefList );
155#endif
156  Void    setEntropyDecoder           ( TDecEntropyIf* p );
157  Void    setBitstream                ( TComInputBitstream* p ) { m_pcEntropyDecoderIf->setBitstream(p);                    }
158  Void    resetEntropy                ( TComSlice* p)           { m_pcEntropyDecoderIf->resetEntropy(p);                    }
159
160  Void    decodeVPS                   ( TComVPS* pcVPS ) { m_pcEntropyDecoderIf->parseVPS(pcVPS); }
161  Void    decodeSPS                   ( TComSPS* pcSPS ) { m_pcEntropyDecoderIf->parseSPS(pcSPS); }
162  Void    decodePPS                   ( TComPPS* pcPPS ) { m_pcEntropyDecoderIf->parsePPS(pcPPS); }
163#if NH_MV
164  Void    decodeFirstSliceSegmentInPicFlag ( TComSlice* pcSlice )  { m_pcEntropyDecoderIf->parseFirstSliceSegmentInPicFlag( pcSlice );         }
165#endif
166#if NH_MV
167  Void    decodeSliceHeader           ( TComSlice* pcSlice, ParameterSetManager *parameterSetManager )  { m_pcEntropyDecoderIf->parseSliceHeader(pcSlice, parameterSetManager);         }
168#else
169  Void    decodeSliceHeader           ( TComSlice* pcSlice, ParameterSetManager *parameterSetManager, const Int prevTid0POC)  { m_pcEntropyDecoderIf->parseSliceHeader(pcSlice, parameterSetManager, prevTid0POC);         }
170#endif
171  Void    decodeTerminatingBit        ( UInt& ruiIsLast )       { m_pcEntropyDecoderIf->parseTerminatingBit(ruiIsLast);     }
172  Void    decodeRemainingBytes( Bool noTrailingBytesExpected ) { m_pcEntropyDecoderIf->parseRemainingBytes(noTrailingBytesExpected); }
173
174  TDecEntropyIf* getEntropyDecoder() { return m_pcEntropyDecoderIf; }
175
176public:
177  Void decodeSplitFlag         ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
178  Void decodeSkipFlag          ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
179#if NH_3D_DIS
180  Void decodeDIS               ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) ;
181#endif
182  Void decodeCUTransquantBypassFlag( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
183  Void decodeMergeFlag         ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiPUIdx );
184  Void decodeMergeIndex        ( TComDataCU* pcSubCU, UInt uiPartIdx, UInt uiPartAddr, UInt uiDepth );
185  Void decodePredMode          ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
186  Void decodePartSize          ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
187
188#if NH_3D_ARP
189  Void decodeARPW              ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
190#endif
191#if NH_3D_IC
192  Void decodeICFlag            ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
193#endif
194
195#if NH_3D_SDC_INTRA || NH_3D_SDC_INTER
196  Void decodeSDCFlag           ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
197#endif
198#if NH_3D_DBBP
199  Void decodeDBBPFlag          ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
200#endif
201  Void decodeIPCMInfo          ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
202
203  Void decodePredInfo          ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, TComDataCU* pcSubCU );
204
205  Void decodeIntraDirModeLuma  ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
206  Void decodeIntraDirModeChroma( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
207
208  Void decodeQP                ( TComDataCU* pcCU, UInt uiAbsPartIdx );
209  Void decodeChromaQpAdjustment( TComDataCU* pcCU, UInt uiAbsPartIdx );
210
211private:
212
213  Void xDecodeTransform        ( Bool& bCodeDQP, Bool& isChromaQpAdjCoded, TComTU &rTu, const Int quadtreeTULog2MinSizeInCU );
214
215public:
216
217  Void decodeCoeff             ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, Bool& bCodeDQP, Bool& isChromaQpAdjCoded );
218
219};// END CLASS DEFINITION TDecEntropy
220
221//! \}
222
223#endif // __TDECENTROPY__
224
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