1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
|
/* The copyright in this software is being made available under the BSD
* License, included below. This software may be subject to other third party
* and contributor rights, including patent rights, and no such rights are
* granted under this license.
*
* Copyright (c) 2010-2022, ITU/ISO/IEC
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* * Neither the name of the ITU/ISO/IEC nor the names of its contributors may
* be used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
/** \file TEncSbac.h
\brief Context-adaptive entropy encoder class (header)
*/
#ifndef __TENCSBAC__
#define __TENCSBAC__
#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
#include "TLibCommon/TComBitStream.h"
#include "TLibCommon/ContextTables.h"
#include "TLibCommon/ContextModel.h"
#include "TLibCommon/ContextModel3DBuffer.h"
#include "TEncEntropy.h"
#include "TEncBinCoder.h"
#include "TEncBinCoderCABAC.h"
#if FAST_BIT_EST
#include "TEncBinCoderCABACCounter.h"
#endif
class TEncTop;
//! \ingroup TLibEncoder
//! \{
// ====================================================================================================================
// Class definition
// ====================================================================================================================
/// SBAC encoder class
class TEncSbac : public TEncEntropyIf
{
public:
TEncSbac();
virtual ~TEncSbac();
Void init ( TEncBinIf* p ) { m_pcBinIf = p; }
Void uninit () { m_pcBinIf = 0; }
// Virtual list
Void resetEntropy (const TComSlice *pSlice);
SliceType determineCabacInitIdx (const TComSlice *pSlice);
Void setBitstream ( TComBitIf* p ) { m_pcBitIf = p; m_pcBinIf->init( p ); }
Void load ( const TEncSbac* pSrc );
Void loadIntraDirMode ( const TEncSbac* pScr, const ChannelType chType );
Void store ( TEncSbac* pDest ) const;
Void loadContexts ( const TEncSbac* pSrc );
Void resetBits () { m_pcBinIf->resetBits(); m_pcBitIf->resetBits(); }
UInt getNumberOfWrittenBits () { return m_pcBinIf->getNumWrittenBits(); }
//--SBAC RD
Void codeVPS ( const TComVPS* pcVPS );
Void codeSPS ( const TComSPS* pcSPS );
Void codePPS ( const TComPPS* pcPPS );
Void codeSliceHeader ( TComSlice* pcSlice );
Void codeTilesWPPEntryPoint ( TComSlice* pSlice );
Void codeTerminatingBit ( UInt uilsLast );
Void codeSliceFinish ();
Void codeSaoMaxUvlc ( UInt code, UInt maxSymbol );
Void codeSaoMerge ( UInt uiCode );
Void codeSaoTypeIdx ( UInt uiCode);
Void codeSaoUflc ( UInt uiLength, UInt uiCode );
Void codeSAOSign ( UInt uiCode); //<! code SAO offset sign
Void codeSAOOffsetParam(ComponentID compIdx, SAOOffset& ctbParam, Bool sliceEnabled, const Int channelBitDepth);
Void codeSAOBlkParam(SAOBlkParam& saoBlkParam, const BitDepths &bitDepths
, Bool* sliceEnabled
, Bool leftMergeAvail
, Bool aboveMergeAvail
, Bool onlyEstMergeInfo = false
);
private:
Void xWriteUnarySymbol ( UInt uiSymbol, ContextModel* pcSCModel, Int iOffset );
Void xWriteUnaryMaxSymbol ( UInt uiSymbol, ContextModel* pcSCModel, Int iOffset, UInt uiMaxSymbol );
Void xWriteEpExGolomb ( UInt uiSymbol, UInt uiCount );
Void xWriteCoefRemainExGolomb ( UInt symbol, UInt &rParam, const Bool useLimitedPrefixLength, const Int maxLog2TrDynamicRange );
Void xCopyFrom ( const TEncSbac* pSrc );
Void xCopyContextsFrom ( const TEncSbac* pSrc );
protected:
TComBitIf* m_pcBitIf;
TEncBinIf* m_pcBinIf;
//--Adaptive loop filter
public:
Void codeCUTransquantBypassFlag( TComDataCU* pcCU, UInt uiAbsPartIdx );
Void codeSkipFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx );
Void codeMergeFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx );
Void codeMergeIndex ( TComDataCU* pcCU, UInt uiAbsPartIdx );
Void codeSplitFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
Void codeMVPIdx ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList );
Void codePartSize ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
Void codePredMode ( TComDataCU* pcCU, UInt uiAbsPartIdx );
Void codeIPCMInfo ( TComDataCU* pcCU, UInt uiAbsPartIdx );
Void codeTransformSubdivFlag ( UInt uiSymbol, UInt uiCtx );
Void codeQtCbf ( TComTU & rTu, const ComponentID compID, const Bool lowestLevel );
Void codeQtRootCbf ( TComDataCU* pcCU, UInt uiAbsPartIdx );
Void codeQtCbfZero ( TComTU &rTu, const ChannelType chType );
Void codeQtRootCbfZero ( );
Void codeIntraDirLumaAng ( TComDataCU* pcCU, UInt absPartIdx, Bool isMultiple);
Void codeIntraDirChroma ( TComDataCU* pcCU, UInt uiAbsPartIdx );
Void codeInterDir ( TComDataCU* pcCU, UInt uiAbsPartIdx );
Void codeRefFrmIdx ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList );
Void codeMvd ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList );
Void codeCrossComponentPrediction( TComTU &rTu, ComponentID compID );
Void codeDeltaQP ( TComDataCU* pcCU, UInt uiAbsPartIdx );
Void codeChromaQpAdjustment ( TComDataCU* cu, UInt absPartIdx );
Void codeLastSignificantXY ( UInt uiPosX, UInt uiPosY, Int width, Int height, ComponentID component, UInt uiScanIdx );
Void codeCoeffNxN ( TComTU &rTu, TCoeff* pcCoef, const ComponentID compID );
Void codeTransformSkipFlags ( TComTU &rTu, ComponentID component );
// -------------------------------------------------------------------------------------------------------------------
// for RD-optimizatioon
// -------------------------------------------------------------------------------------------------------------------
Void estBit (estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, ChannelType chType, COEFF_SCAN_TYPE scanType);
Void estCBFBit ( estBitsSbacStruct* pcEstBitsSbac );
Void estSignificantCoeffGroupMapBit( estBitsSbacStruct* pcEstBitsSbac, ChannelType chType );
Void estSignificantMapBit ( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, ChannelType chType );
Void estLastSignificantPositionBit ( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, ChannelType chType, COEFF_SCAN_TYPE scanType );
Void estSignificantCoefficientsBit ( estBitsSbacStruct* pcEstBitsSbac, ChannelType chType );
Void codeExplicitRdpcmMode ( TComTU &rTu, const ComponentID compID );
TEncBinIf* getEncBinIf() { return m_pcBinIf; }
private:
ContextModel m_contextModels[MAX_NUM_CTX_MOD];
Int m_numContextModels;
ContextModel3DBuffer m_cCUSplitFlagSCModel;
ContextModel3DBuffer m_cCUSkipFlagSCModel;
ContextModel3DBuffer m_cCUMergeFlagExtSCModel;
ContextModel3DBuffer m_cCUMergeIdxExtSCModel;
ContextModel3DBuffer m_cCUPartSizeSCModel;
ContextModel3DBuffer m_cCUPredModeSCModel;
ContextModel3DBuffer m_cCUIntraPredSCModel;
ContextModel3DBuffer m_cCUChromaPredSCModel;
ContextModel3DBuffer m_cCUDeltaQpSCModel;
ContextModel3DBuffer m_cCUInterDirSCModel;
ContextModel3DBuffer m_cCURefPicSCModel;
ContextModel3DBuffer m_cCUMvdSCModel;
ContextModel3DBuffer m_cCUQtCbfSCModel;
ContextModel3DBuffer m_cCUTransSubdivFlagSCModel;
ContextModel3DBuffer m_cCUQtRootCbfSCModel;
ContextModel3DBuffer m_cCUSigCoeffGroupSCModel;
ContextModel3DBuffer m_cCUSigSCModel;
ContextModel3DBuffer m_cCuCtxLastX;
ContextModel3DBuffer m_cCuCtxLastY;
ContextModel3DBuffer m_cCUOneSCModel;
ContextModel3DBuffer m_cCUAbsSCModel;
ContextModel3DBuffer m_cMVPIdxSCModel;
ContextModel3DBuffer m_cSaoMergeSCModel;
ContextModel3DBuffer m_cSaoTypeIdxSCModel;
ContextModel3DBuffer m_cTransformSkipSCModel;
ContextModel3DBuffer m_CUTransquantBypassFlagSCModel;
ContextModel3DBuffer m_explicitRdpcmFlagSCModel;
ContextModel3DBuffer m_explicitRdpcmDirSCModel;
ContextModel3DBuffer m_cCrossComponentPredictionSCModel;
ContextModel3DBuffer m_ChromaQpAdjFlagSCModel;
ContextModel3DBuffer m_ChromaQpAdjIdcSCModel;
UInt m_golombRiceAdaptationStatistics[RExt__GOLOMB_RICE_ADAPTATION_STATISTICS_SETS];
};
//! \}
#endif // !defined(AFX_TENCSBAC_H__DDA7CDC4_EDE3_4015_9D32_2156249C82AA__INCLUDED_)
|
