source: 3DVCSoftware/trunk/source/Lib/TLibEncoder/TEncEntropy.h @ 1245

Last change on this file since 1245 was 1196, checked in by tech, 10 years ago

Merged 14.0-dev0@1187.
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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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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     TEncEntropy.h
35    \brief    entropy encoder class (header)
36*/
37
38#ifndef __TENCENTROPY__
39#define __TENCENTROPY__
40
41#include "TLibCommon/TComSlice.h"
42#include "TLibCommon/TComDataCU.h"
43#include "TLibCommon/TComBitStream.h"
44#include "TLibCommon/ContextModel.h"
45#include "TLibCommon/TComPic.h"
46#include "TLibCommon/TComTrQuant.h"
47#include "TLibCommon/TComSampleAdaptiveOffset.h"
48
49class TEncSbac;
50class TEncCavlc;
51class SEI;
52
53// ====================================================================================================================
54// Class definition
55// ====================================================================================================================
56
57/// entropy encoder pure class
58class TEncEntropyIf
59{
60public:
61  virtual Void  resetEntropy          ()                = 0;
62  virtual Void  determineCabacInitIdx ()                = 0;
63  virtual Void  setBitstream          ( TComBitIf* p )  = 0;
64  virtual Void  setSlice              ( TComSlice* p )  = 0;
65  virtual Void  resetBits             ()                = 0;
66  virtual Void  resetCoeffCost        ()                = 0;
67  virtual UInt  getNumberOfWrittenBits()                = 0;
68  virtual UInt  getCoeffCost          ()                = 0;
69
70  virtual Void  codeVPS                 ( TComVPS* pcVPS )                                      = 0;
71  virtual Void  codeSPS                 ( TComSPS* pcSPS )                                      = 0;
72  virtual Void  codePPS                 ( TComPPS* pcPPS )                                      = 0;
73  virtual Void  codeSliceHeader         ( TComSlice* pcSlice )                                  = 0;
74
75  virtual Void  codeTilesWPPEntryPoint  ( TComSlice* pSlice )     = 0;
76  virtual Void  codeTerminatingBit      ( UInt uilsLast )                                       = 0;
77  virtual Void  codeSliceFinish         ()                                                      = 0;
78  virtual Void codeMVPIdx ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList ) = 0;
79  virtual Void codeScalingList   ( TComScalingList* scalingList )      = 0;
80 
81public:
82  virtual Void codeCUTransquantBypassFlag( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0;
83  virtual Void codeSkipFlag      ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0;
84#if H_3D
85  virtual Void codeDIS          ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0;
86#endif
87  virtual Void codeMergeFlag     ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0;
88  virtual Void codeMergeIndex    ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0;
89#if H_3D_ARP
90  virtual Void codeARPW          ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0;
91#endif
92#if H_3D_IC
93  virtual Void codeICFlag        ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0;
94#endif
95#if H_3D_INTER_SDC
96  virtual Void codeDeltaDC       ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0;
97  virtual Void codeSDCFlag       ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0;
98#endif
99#if H_3D_DBBP
100  virtual Void codeDBBPFlag      ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0;
101#endif
102  virtual Void codeSplitFlag     ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
103 
104  virtual Void codePartSize      ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0;
105  virtual Void codePredMode      ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0;
106 
107  virtual Void codeIPCMInfo      ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0;
108
109  virtual Void codeTransformSubdivFlag( UInt uiSymbol, UInt uiCtx ) = 0;
110  virtual Void codeQtCbf         ( TComDataCU* pcCU, UInt uiAbsPartIdx, TextType eType, UInt uiTrDepth ) = 0;
111  virtual Void codeQtRootCbf     ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0;
112  virtual Void codeQtCbfZero     ( TComDataCU* pcCU, TextType eType, UInt uiTrDepth ) = 0;
113  virtual Void codeQtRootCbfZero ( TComDataCU* pcCU ) = 0;
114  virtual Void codeIntraDirLumaAng( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool isMultiplePU ) = 0;
115 
116  virtual Void codeIntraDirChroma( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0;
117  virtual Void codeInterDir      ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0;
118  virtual Void codeRefFrmIdx     ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )      = 0;
119  virtual Void codeMvd           ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )      = 0;
120  virtual Void codeDeltaQP       ( TComDataCU* pcCU, UInt uiAbsPartIdx ) = 0;
121  virtual Void codeCoeffNxN      ( TComDataCU* pcCU, TCoeff* pcCoef, UInt uiAbsPartIdx, UInt uiWidth, UInt uiHeight, UInt uiDepth, TextType eTType ) = 0;
122  virtual Void codeTransformSkipFlags ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt width, UInt height, TextType eTType ) = 0;
123  virtual Void codeSAOBlkParam(SAOBlkParam& saoBlkParam, Bool* sliceEnabled, Bool leftMergeAvail, Bool aboveMergeAvail, Bool onlyEstMergeInfo = false)    =0;
124  virtual Void estBit               (estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, TextType eTType) = 0;
125 
126  virtual Void updateContextTables ( SliceType eSliceType, Int iQp, Bool bExecuteFinish )   = 0;
127  virtual Void updateContextTables ( SliceType eSliceType, Int iQp )   = 0;
128
129  virtual Void codeDFFlag (UInt uiCode, const Char *pSymbolName) = 0;
130  virtual Void codeDFSvlc (Int iCode, const Char *pSymbolName)   = 0;
131
132  virtual ~TEncEntropyIf() {}
133
134};
135
136/// entropy encoder class
137class TEncEntropy
138{
139private:
140  UInt    m_uiBakAbsPartIdx;
141  UInt    m_uiBakChromaOffset;
142  UInt    m_bakAbsPartIdxCU;
143
144public:
145  Void    setEntropyCoder           ( TEncEntropyIf* e, TComSlice* pcSlice );
146  Void    setBitstream              ( TComBitIf* p )          { m_pcEntropyCoderIf->setBitstream(p);  }
147  Void    resetBits                 ()                        { m_pcEntropyCoderIf->resetBits();      }
148  Void    resetCoeffCost            ()                        { m_pcEntropyCoderIf->resetCoeffCost(); }
149  UInt    getNumberOfWrittenBits    ()
150  {
151#if ENC_DEC_TRACE && H_MV_ENC_DEC_TRAC
152    Bool oldJustDoIt = g_bJustDoIt;
153    g_bJustDoIt = true; 
154    writeToTraceFile( "NumberOfWrittenBits", m_pcEntropyCoderIf->getNumberOfWrittenBits(), g_encNumberOfWrittenBits );
155    g_bJustDoIt = oldJustDoIt; 
156#endif
157    return m_pcEntropyCoderIf->getNumberOfWrittenBits(); 
158  }
159  UInt    getCoeffCost              ()                        { return  m_pcEntropyCoderIf->getCoeffCost(); }
160  Void    resetEntropy              ()                        { m_pcEntropyCoderIf->resetEntropy();  }
161  Void    determineCabacInitIdx     ()                        { m_pcEntropyCoderIf->determineCabacInitIdx(); }
162 
163  Void    encodeSliceHeader         ( TComSlice* pcSlice );
164  Void    encodeTilesWPPEntryPoint( TComSlice* pSlice );
165  Void    encodeTerminatingBit      ( UInt uiIsLast );
166  Void    encodeSliceFinish         ();
167  TEncEntropyIf*      m_pcEntropyCoderIf;
168 
169public:
170  Void encodeVPS               ( TComVPS* pcVPS);
171  // SPS
172  Void encodeSPS               ( TComSPS* pcSPS );
173  Void encodePPS               ( TComPPS* pcPPS );
174  Void encodeSplitFlag         ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, Bool bRD = false );
175  Void encodeCUTransquantBypassFlag( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD = false );
176  Void encodeSkipFlag          ( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD = false );
177#if H_3D
178  Void encodeDIS               ( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD=false );
179#endif
180  Void encodePUWise       ( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD = false );
181  Void encodeInterDirPU   ( TComDataCU* pcSubCU, UInt uiAbsPartIdx  );
182  Void encodeRefFrmIdxPU  ( TComDataCU* pcSubCU, UInt uiAbsPartIdx, RefPicList eRefList );
183  Void encodeMvdPU        ( TComDataCU* pcSubCU, UInt uiAbsPartIdx, RefPicList eRefList );
184  Void encodeMVPIdxPU     ( TComDataCU* pcSubCU, UInt uiAbsPartIdx, RefPicList eRefList );
185  Void encodeMergeFlag    ( TComDataCU* pcCU, UInt uiAbsPartIdx );
186  Void encodeMergeIndex   ( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD = false );
187#if H_3D_ARP
188  Void encodeARPW         ( TComDataCU* pcCU, UInt uiAbspartIdx );
189#endif
190#if H_3D_IC
191  Void encodeICFlag       ( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD = false );
192#endif
193#if H_3D_INTER_SDC
194  Void encodeDeltaDC      ( TComDataCU* pcCU, UInt absPartIdx );
195  Void encodeSDCFlag      ( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD = false );
196#endif
197#if H_3D_DBBP
198  Void encodeDBBPFlag     ( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD = false );
199#endif
200  Void encodePredMode          ( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD = false );
201  Void encodePartSize          ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, Bool bRD = false );
202  Void encodeIPCMInfo          ( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD = false );
203  Void encodePredInfo          ( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD = false );
204  Void encodeIntraDirModeLuma  ( TComDataCU* pcCU, UInt absPartIdx, Bool isMultiplePU = false );
205 
206  Void encodeIntraDirModeChroma( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD = false );
207 
208  Void encodeTransformSubdivFlag( UInt uiSymbol, UInt uiCtx );
209  Void encodeQtCbf             ( TComDataCU* pcCU, UInt uiAbsPartIdx, TextType eType, UInt uiTrDepth );
210  Void encodeQtCbfZero         ( TComDataCU* pcCU, TextType eType, UInt uiTrDepth );
211  Void encodeQtRootCbfZero     ( TComDataCU* pcCU );
212  Void encodeQtRootCbf         ( TComDataCU* pcCU, UInt uiAbsPartIdx );
213  Void encodeQP                ( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool bRD = false );
214  Void updateContextTables     ( SliceType eSliceType, Int iQp, Bool bExecuteFinish )   { m_pcEntropyCoderIf->updateContextTables( eSliceType, iQp, bExecuteFinish );     }
215  Void updateContextTables     ( SliceType eSliceType, Int iQp )                        { m_pcEntropyCoderIf->updateContextTables( eSliceType, iQp, true );               }
216
217  Void encodeScalingList       ( TComScalingList* scalingList );
218
219private:
220#if H_3D_DISABLE_CHROMA
221  Void xEncodeTransform        ( TComDataCU* pcCU,UInt offsetLumaOffset, UInt offsetChroma, UInt uiAbsPartIdx, UInt uiDepth, UInt width, UInt height, UInt uiTrIdx, Bool& bCodeDQP, Bool rd );
222public:
223  Void encodeCoeff             ( TComDataCU* pcCU,                 UInt uiAbsPartIdx, UInt uiDepth, UInt uiWidth, UInt uiHeight, Bool& bCodeDQP, Bool rd );
224#else
225  Void xEncodeTransform        ( TComDataCU* pcCU,UInt offsetLumaOffset, UInt offsetChroma, UInt uiAbsPartIdx, UInt uiDepth, UInt width, UInt height, UInt uiTrIdx, Bool& bCodeDQP );
226public:
227  Void encodeCoeff             ( TComDataCU* pcCU,                 UInt uiAbsPartIdx, UInt uiDepth, UInt uiWidth, UInt uiHeight, Bool& bCodeDQP );
228#endif
229 
230  Void encodeCoeffNxN         ( TComDataCU* pcCU, TCoeff* pcCoeff, UInt uiAbsPartIdx, UInt uiTrWidth, UInt uiTrHeight, UInt uiDepth, TextType eType );
231 
232  Void estimateBit             ( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, TextType eTType);
233  Void encodeSAOBlkParam(SAOBlkParam& saoBlkParam, Bool* sliceEnabled, Bool leftMergeAvail, Bool aboveMergeAvail){m_pcEntropyCoderIf->codeSAOBlkParam(saoBlkParam, sliceEnabled, leftMergeAvail, aboveMergeAvail, false);}
234  static Int countNonZeroCoeffs( TCoeff* pcCoef, UInt uiSize );
235
236};// END CLASS DEFINITION TEncEntropy
237
238//! \}
239
240#endif // __TENCENTROPY__
241
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