source: 3DVCSoftware/branches/HTM-14.1-update-dev2-Orange/source/Lib/TLibDecoder/TDecEntropy.h

Last change on this file was 1225, checked in by sharpjp-htm, 10 years ago

Migration of illumination compensation(NH_3D_IC) and small fix(H_MV_ENC_DEC_TRAC_FIX)
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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
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/TComSampleAdaptiveOffset.h"
46#include "TLibCommon/TComRectangle.h"
47
48class TDecSbac;
49class TDecCavlc;
50class ParameterSetManagerDecoder;
51class TComPrediction;
52
53//! \ingroup TLibDecoder
54//! \{
55
56// ====================================================================================================================
57// Class definition
58// ====================================================================================================================
59
60/// entropy decoder pure class
61class TDecEntropyIf
62{
63public:
64  //  Virtual list for SBAC/CAVLC
65  virtual Void  resetEntropy          ( TComSlice* pcSlice )     = 0;
66  virtual Void  setBitstream          ( TComInputBitstream* p )  = 0;
67
68  virtual Void  parseVPS                  ( TComVPS* pcVPS )     = 0;
69  virtual Void  parseSPS                  ( TComSPS* pcSPS )     = 0;
70  virtual Void  parsePPS                  ( TComPPS* pcPPS )     = 0;
71  virtual Void parseSliceHeader          ( TComSlice* pcSlice, ParameterSetManager *parameterSetManager, const Int prevTid0POC)       = 0;
72
73  virtual Void parseTerminatingBit       ( UInt& ruilsLast )                                     = 0;
74  virtual Void parseRemainingBytes( Bool noTrailingBytesExpected ) = 0;
75
76  virtual Void parseMVPIdx        ( Int& riMVPIdx ) = 0;
77
78public:
79  virtual Void parseSkipFlag      ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
80#if H_3D
81  virtual Void parseDIS           ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
82#endif
83  virtual Void parseCUTransquantBypassFlag( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
84  virtual Void parseSplitFlag     ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
85  virtual Void parseMergeFlag     ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiPUIdx ) = 0;
86  virtual Void parseMergeIndex    ( TComDataCU* pcCU, UInt& ruiMergeIndex ) = 0;
87#if H_3D_ARP
88  virtual Void parseARPW          ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
89#endif
90#if NH_3D_IC
91  virtual Void parseICFlag        ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
92#endif
93#if H_3D_INTER_SDC
94  virtual Void parseDeltaDC       ( TComDataCU* pcCU, UInt absPartIdx, UInt depth ) = 0;
95  virtual Void parseSDCFlag       ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
96#endif
97#if H_3D_DBBP
98  virtual Void parseDBBPFlag      ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
99#endif
100  virtual Void parsePartSize      ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
101  virtual Void parsePredMode      ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
102
103  virtual Void parseIntraDirLumaAng( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
104  virtual Void parseIntraDirChroma( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
105
106  virtual Void parseInterDir      ( TComDataCU* pcCU, UInt& ruiInterDir, UInt uiAbsPartIdx ) = 0;
107  virtual Void parseRefFrmIdx     ( TComDataCU* pcCU, Int& riRefFrmIdx, RefPicList eRefList ) = 0;
108  virtual Void parseMvd           ( TComDataCU* pcCU, UInt uiAbsPartAddr, UInt uiPartIdx, UInt uiDepth, RefPicList eRefList ) = 0;
109
110  virtual Void parseCrossComponentPrediction ( class TComTU &rTu, ComponentID compID ) = 0;
111
112  virtual Void parseTransformSubdivFlag( UInt& ruiSubdivFlag, UInt uiLog2TransformBlockSize ) = 0;
113  virtual Void parseQtCbf         ( TComTU &rTu, const ComponentID compID, const Bool lowestLevel ) = 0;
114  virtual Void parseQtRootCbf     ( UInt uiAbsPartIdx, UInt& uiQtRootCbf ) = 0;
115
116  virtual Void parseDeltaQP       ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
117  virtual Void parseChromaQpAdjustment( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
118
119  virtual Void parseIPCMInfo     ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth) = 0;
120
121  virtual Void parseCoeffNxN( class TComTU &rTu, ComponentID compID  ) = 0;
122
123  virtual Void parseTransformSkipFlags ( class TComTU &rTu, ComponentID component ) = 0;
124
125  virtual Void parseExplicitRdpcmMode ( TComTU &rTu, ComponentID compID ) = 0;
126
127  virtual ~TDecEntropyIf() {}
128};
129
130/// entropy decoder class
131class TDecEntropy
132{
133private:
134  TDecEntropyIf*  m_pcEntropyDecoderIf;
135  TComPrediction* m_pcPrediction;
136  //UInt    m_uiBakAbsPartIdx;
137  //UInt    m_uiBakChromaOffset;
138  //UInt    m_bakAbsPartIdxCU;
139
140public:
141  Void init (TComPrediction* p) {m_pcPrediction = p;}
142  Void decodePUWise       ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, TComDataCU* pcSubCU );
143  Void decodeInterDirPU   ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiPartIdx );
144  Void decodeRefFrmIdxPU  ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiPartIdx, RefPicList eRefList );
145  Void decodeMvdPU        ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiPartIdx, RefPicList eRefList );
146  Void decodeMVPIdxPU     ( TComDataCU* pcSubCU, UInt uiPartAddr, UInt uiDepth, UInt uiPartIdx, RefPicList eRefList );
147#if H_3D
148  Void decodeMvsAMVP      ( TComDataCU* pcSubCU, UInt uiPartAddr, UInt uiDepth, UInt uiPartIdx, 
149RefPicList eRefList );
150#endif
151  Void    setEntropyDecoder           ( TDecEntropyIf* p );
152  Void    setBitstream                ( TComInputBitstream* p ) { m_pcEntropyDecoderIf->setBitstream(p);                    }
153  Void    resetEntropy                ( TComSlice* p)           { m_pcEntropyDecoderIf->resetEntropy(p);                    }
154
155  Void    decodeVPS                   ( TComVPS* pcVPS ) { m_pcEntropyDecoderIf->parseVPS(pcVPS); }
156  Void    decodeSPS                   ( TComSPS* pcSPS ) { m_pcEntropyDecoderIf->parseSPS(pcSPS); }
157  Void    decodePPS                   ( TComPPS* pcPPS ) { m_pcEntropyDecoderIf->parsePPS(pcPPS); }
158  Void    decodeSliceHeader           ( TComSlice* pcSlice, ParameterSetManager *parameterSetManager, const Int prevTid0POC)  { m_pcEntropyDecoderIf->parseSliceHeader(pcSlice, parameterSetManager, prevTid0POC);         }
159  Void    decodeTerminatingBit        ( UInt& ruiIsLast )       { m_pcEntropyDecoderIf->parseTerminatingBit(ruiIsLast);     }
160  Void    decodeRemainingBytes( Bool noTrailingBytesExpected ) { m_pcEntropyDecoderIf->parseRemainingBytes(noTrailingBytesExpected); }
161
162  TDecEntropyIf* getEntropyDecoder() { return m_pcEntropyDecoderIf; }
163
164public:
165  Void decodeSplitFlag         ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
166  Void decodeSkipFlag          ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
167#if H_3D
168  Void decodeDIS               ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) ;
169#endif
170  Void decodeCUTransquantBypassFlag( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
171  Void decodeMergeFlag         ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiPUIdx );
172  Void decodeMergeIndex        ( TComDataCU* pcSubCU, UInt uiPartIdx, UInt uiPartAddr, UInt uiDepth );
173  Void decodePredMode          ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
174  Void decodePartSize          ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
175
176#if H_3D_ARP
177  Void decodeARPW              ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
178#endif
179#if NH_3D_IC
180  Void decodeICFlag            ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
181#endif
182#if H_3D_INTER_SDC
183  Void decodeSDCFlag           ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
184#endif
185#if H_3D_DBBP
186  Void decodeDBBPFlag          ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
187#endif
188  Void decodeIPCMInfo          ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
189
190  Void decodePredInfo          ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, TComDataCU* pcSubCU );
191
192  Void decodeIntraDirModeLuma  ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
193  Void decodeIntraDirModeChroma( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
194
195  Void decodeQP                ( TComDataCU* pcCU, UInt uiAbsPartIdx );
196  Void decodeChromaQpAdjustment( TComDataCU* pcCU, UInt uiAbsPartIdx );
197
198private:
199
200  Void xDecodeTransform        ( Bool& bCodeDQP, Bool& isChromaQpAdjCoded, TComTU &rTu, const Int quadtreeTULog2MinSizeInCU );
201
202public:
203
204  Void decodeCoeff             ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, Bool& bCodeDQP, Bool& isChromaQpAdjCoded );
205
206};// END CLASS DEFINITION TDecEntropy
207
208//! \}
209
210#endif // __TDECENTROPY__
211
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