source: 3DVCSoftware/branches/HTM-12.2-dev2-HHI/source/Lib/TLibDecoder/TDecEntropy.h

Last change on this file was 1106, checked in by tech, 10 years ago
  • HHI_TOOL_PARAMETERS_I2_J0107: Tool parameters moved to SPS and combined with dependency flags
  • Related update of cfg files.
  • Property svn:eol-style set to native
File size: 11.4 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) 2010-2014, 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/TComSampleAdaptiveOffset.h"
47
48class TDecSbac;
49class TDecCavlc;
50class ParameterSetManagerDecoder;
51
52//! \ingroup TLibDecoder
53//! \{
54
55// ====================================================================================================================
56// Class definition
57// ====================================================================================================================
58
59/// entropy decoder pure class
60class TDecEntropyIf
61{
62public:
63  //  Virtual list for SBAC/CAVLC
64  virtual Void  resetEntropy          ( TComSlice* pcSlice )     = 0;
65  virtual Void  setBitstream          ( TComInputBitstream* p )  = 0;
66
67  virtual Void  parseVPS                  ( TComVPS* pcVPS )                       = 0;
68#if HHI_TOOL_PARAMETERS_I2_J0107
69  virtual Void  parseSPS                  ( TComSPS* pcSPS )                                      = 0;
70#else
71#if H_3D
72  virtual Void  parseSPS                  ( TComSPS* pcSPS, Int viewIndex, Bool depthFlag  )                    = 0;
73#else
74  virtual Void  parseSPS                  ( TComSPS* pcSPS )                                      = 0;
75#endif
76#endif
77#if H_3D
78  virtual Void  parsePPS                  ( TComPPS* pcPPS, TComVPS* pcVPS )                      = 0;
79#else
80  virtual Void  parsePPS                  ( TComPPS* pcPPS )                                      = 0;
81#endif
82
83#if H_MV
84  virtual Void parseSliceHeader          ( TComSlice*& rpcSlice, ParameterSetManagerDecoder *parameterSetManager, Int targetOlsIdx )       = 0;
85#else
86  virtual Void parseSliceHeader          ( TComSlice*& rpcSlice, ParameterSetManagerDecoder *parameterSetManager)       = 0;
87#endif
88
89  virtual Void  parseTerminatingBit       ( UInt& ruilsLast )                                     = 0;
90 
91  virtual Void parseMVPIdx        ( Int& riMVPIdx ) = 0;
92 
93public:
94  virtual Void parseSkipFlag      ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
95#if H_3D_SINGLE_DEPTH
96  virtual Void parseSingleDepthMode       ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
97#endif
98  virtual Void parseCUTransquantBypassFlag( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
99  virtual Void parseSplitFlag     ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
100  virtual Void parseMergeFlag     ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiPUIdx ) = 0;
101  virtual Void parseMergeIndex    ( TComDataCU* pcCU, UInt& ruiMergeIndex ) = 0;
102#if H_3D_ARP
103  virtual Void parseARPW          ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
104#endif
105#if H_3D_IC
106  virtual Void parseICFlag        ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
107#endif
108#if H_3D_INTER_SDC
109  virtual Void parseDeltaDC       ( TComDataCU* pcCU, UInt absPartIdx, UInt depth ) = 0;
110  virtual Void parseSDCFlag       ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
111#endif
112#if H_3D_DBBP
113  virtual Void parseDBBPFlag      ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
114#endif
115  virtual Void parsePartSize      ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
116  virtual Void parsePredMode      ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
117 
118  virtual Void parseIntraDirLumaAng( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
119 
120  virtual Void parseIntraDirChroma( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
121 
122  virtual Void parseInterDir      ( TComDataCU* pcCU, UInt& ruiInterDir, UInt uiAbsPartIdx ) = 0;
123  virtual Void parseRefFrmIdx     ( TComDataCU* pcCU, Int& riRefFrmIdx, RefPicList eRefList ) = 0;
124  virtual Void parseMvd           ( TComDataCU* pcCU, UInt uiAbsPartAddr, UInt uiPartIdx, UInt uiDepth, RefPicList eRefList ) = 0;
125 
126  virtual Void parseTransformSubdivFlag( UInt& ruiSubdivFlag, UInt uiLog2TransformBlockSize ) = 0;
127  virtual Void parseQtCbf         ( TComDataCU* pcCU, UInt uiAbsPartIdx, TextType eType, UInt uiTrDepth, UInt uiDepth ) = 0;
128  virtual Void parseQtRootCbf     ( UInt uiAbsPartIdx, UInt& uiQtRootCbf ) = 0;
129 
130  virtual Void parseDeltaQP       ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
131 
132  virtual Void parseIPCMInfo     ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth) = 0;
133
134  virtual Void parseCoeffNxN( TComDataCU* pcCU, TCoeff* pcCoef, UInt uiAbsPartIdx, UInt uiWidth, UInt uiHeight, UInt uiDepth, TextType eTType ) = 0;
135  virtual Void parseTransformSkipFlags ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt width, UInt height, UInt uiDepth, TextType eTType) = 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  UInt    m_bakAbsPartIdxCU;
150 
151public:
152  Void init (TComPrediction* p) {m_pcPrediction = p;}
153  Void decodePUWise       ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, TComDataCU* pcSubCU );
154  Void decodeInterDirPU   ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiPartIdx );
155  Void decodeRefFrmIdxPU  ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiPartIdx, RefPicList eRefList );
156  Void decodeMvdPU        ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiPartIdx, RefPicList eRefList );
157  Void decodeMVPIdxPU     ( TComDataCU* pcSubCU, UInt uiPartAddr, UInt uiDepth, UInt uiPartIdx, RefPicList eRefList );
158 
159  Void    setEntropyDecoder           ( TDecEntropyIf* p );
160  Void    setBitstream                ( TComInputBitstream* p ) { m_pcEntropyDecoderIf->setBitstream(p);                    }
161  Void    resetEntropy                ( TComSlice* p)           { m_pcEntropyDecoderIf->resetEntropy(p);                    }
162  Void    decodeVPS                   ( TComVPS* pcVPS ) { m_pcEntropyDecoderIf->parseVPS(pcVPS); }
163#if HHI_TOOL_PARAMETERS_I2_J0107
164  Void    decodeSPS                   ( TComSPS* pcSPS     )    { m_pcEntropyDecoderIf->parseSPS(pcSPS);                    }
165#else
166#if H_3D
167  Void    decodeSPS                   ( TComSPS* pcSPS, Int viewIndex, Bool depthFlag )    { m_pcEntropyDecoderIf->parseSPS(pcSPS, viewIndex, depthFlag );                    }
168#else
169  Void    decodeSPS                   ( TComSPS* pcSPS     )    { m_pcEntropyDecoderIf->parseSPS(pcSPS);                    }
170#endif
171#endif
172#if H_3D
173  Void    decodePPS                   ( TComPPS* pcPPS, TComVPS* pcVPS )    { m_pcEntropyDecoderIf->parsePPS(pcPPS, pcVPS);                    }
174#else
175  Void    decodePPS                   ( TComPPS* pcPPS )    { m_pcEntropyDecoderIf->parsePPS(pcPPS);                    }
176#endif
177#if H_MV
178  Void    decodeSliceHeader           ( TComSlice*& rpcSlice, ParameterSetManagerDecoder *parameterSetManager, Int targetOlsIdx)  { m_pcEntropyDecoderIf->parseSliceHeader(rpcSlice, parameterSetManager, targetOlsIdx );         }
179#else
180  Void    decodeSliceHeader           ( TComSlice*& rpcSlice, ParameterSetManagerDecoder *parameterSetManager)  { m_pcEntropyDecoderIf->parseSliceHeader(rpcSlice, parameterSetManager);         }
181#endif
182  Void    decodeTerminatingBit        ( UInt& ruiIsLast )       { m_pcEntropyDecoderIf->parseTerminatingBit(ruiIsLast);     }
183 
184  TDecEntropyIf* getEntropyDecoder() { return m_pcEntropyDecoderIf; }
185 
186public:
187  Void decodeSplitFlag         ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
188  Void decodeSkipFlag          ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
189#if H_3D_SINGLE_DEPTH
190  Void decodeSingleDepthMode ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) ;
191#endif
192  Void decodeCUTransquantBypassFlag( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
193  Void decodeMergeFlag         ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiPUIdx );
194  Void decodeMergeIndex        ( TComDataCU* pcSubCU, UInt uiPartIdx, UInt uiPartAddr, UInt uiDepth );
195  Void decodePredMode          ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
196  Void decodePartSize          ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
197 
198#if H_3D_ARP
199  Void decodeARPW              ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
200#endif
201#if H_3D_IC
202  Void decodeICFlag            ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
203#endif
204#if H_3D_INTER_SDC
205  Void decodeSDCFlag           ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
206#endif
207#if H_3D_DBBP
208  Void decodeDBBPFlag          ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
209#endif
210  Void decodeIPCMInfo          ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
211
212  Void decodePredInfo          ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, TComDataCU* pcSubCU );
213 
214  Void decodeIntraDirModeLuma  ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
215  Void decodeIntraDirModeChroma( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
216 
217  Void decodeQP                ( TComDataCU* pcCU, UInt uiAbsPartIdx );
218 
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 uiDepth, UInt width, UInt height, UInt uiTrIdx, Bool& bCodeDQP, Int getQuadtreeTULog2MinSizeInCU );
224
225public:
226  Void decodeCoeff             ( TComDataCU* pcCU                 , UInt uiAbsPartIdx, UInt uiDepth, UInt uiWidth, UInt uiHeight, Bool& bCodeDQP );
227 
228};// END CLASS DEFINITION TDecEntropy
229
230//! \}
231
232#endif // __TDECENTROPY__
233
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