source: 3DVCSoftware/trunk/source/Lib/TLibEncoder/TEncSbac.h @ 1405

Last change on this file since 1405 was 1405, checked in by tech, 8 years ago

Merged HTM-16.1-dev@1404.

  • 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) 2010-2016, 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     TEncSbac.h
35    \brief    Context-adaptive entropy encoder class (header)
36*/
37
38#ifndef __TENCSBAC__
39#define __TENCSBAC__
40
41#if _MSC_VER > 1000
42#pragma once
43#endif // _MSC_VER > 1000
44
45#include "TLibCommon/TComBitStream.h"
46#include "TLibCommon/ContextTables.h"
47#include "TLibCommon/ContextModel.h"
48#include "TLibCommon/ContextModel3DBuffer.h"
49#include "TEncEntropy.h"
50#include "TEncBinCoder.h"
51#include "TEncBinCoderCABAC.h"
52#if FAST_BIT_EST
53#include "TEncBinCoderCABACCounter.h"
54#endif
55
56class TEncTop;
57
58//! \ingroup TLibEncoder
59//! \{
60
61// ====================================================================================================================
62// Class definition
63// ====================================================================================================================
64
65/// SBAC encoder class
66class TEncSbac : public TEncEntropyIf
67{
68public:
69  TEncSbac();
70  virtual ~TEncSbac();
71
72  Void  init                   ( TEncBinIf* p )  { m_pcBinIf = p; }
73  Void  uninit                 ()                { m_pcBinIf = 0; }
74
75  //  Virtual list
76  Void  resetEntropy           (const TComSlice *pSlice);
77  SliceType determineCabacInitIdx  (const TComSlice *pSlice);
78  Void  setBitstream           ( TComBitIf* p )  { m_pcBitIf = p; m_pcBinIf->init( p ); }
79
80  Void  load                   ( const TEncSbac* pSrc  );
81  Void  loadIntraDirMode       ( const TEncSbac* pScr, const ChannelType chType  );
82#if NH_3D_DMM
83  Void  loadIntraDepthDmm      ( const TEncSbac* pSrc );
84#endif
85  Void  store                  ( TEncSbac* pDest ) const;
86  Void  loadContexts           ( const TEncSbac* pSrc  );
87  Void  resetBits              ()                { m_pcBinIf->resetBits(); m_pcBitIf->resetBits(); }
88  UInt  getNumberOfWrittenBits ()                { return m_pcBinIf->getNumWrittenBits(); }
89  //--SBAC RD
90
91  Void  codeVPS                ( const TComVPS* pcVPS );
92  Void  codeSPS                ( const TComSPS* pcSPS     );
93  Void  codePPS                ( const TComPPS* pcPPS     );
94  Void  codeSliceHeader        ( TComSlice* pcSlice );
95  Void  codeTilesWPPEntryPoint ( TComSlice* pSlice );
96  Void  codeTerminatingBit     ( UInt uilsLast      );
97  Void  codeSliceFinish        ();
98  Void  codeSaoMaxUvlc       ( UInt code, UInt maxSymbol );
99  Void  codeSaoMerge         ( UInt  uiCode );
100  Void  codeSaoTypeIdx       ( UInt  uiCode);
101  Void  codeSaoUflc          ( UInt uiLength, UInt  uiCode );
102  Void  codeSAOSign          ( UInt  uiCode);  //<! code SAO offset sign
103
104  Void codeSAOOffsetParam(ComponentID compIdx, SAOOffset& ctbParam, Bool sliceEnabled, const Int channelBitDepth);
105  Void codeSAOBlkParam(SAOBlkParam& saoBlkParam, const BitDepths &bitDepths
106                    , Bool* sliceEnabled
107                    , Bool leftMergeAvail
108                    , Bool aboveMergeAvail
109                    , Bool onlyEstMergeInfo = false
110                    );
111
112private:
113  Void  xWriteUnarySymbol    ( UInt uiSymbol, ContextModel* pcSCModel, Int iOffset );
114  Void  xWriteUnaryMaxSymbol ( UInt uiSymbol, ContextModel* pcSCModel, Int iOffset, UInt uiMaxSymbol );
115  Void  xWriteEpExGolomb     ( UInt uiSymbol, UInt uiCount );
116  Void  xWriteCoefRemainExGolomb ( UInt symbol, UInt &rParam, const Bool useLimitedPrefixLength, const Int maxLog2TrDynamicRange );
117#if NH_3D_DMM || NH_3D_SDC_INTRA || NH_3D_SDC_INTER
118  Void  xWriteExGolombLevelDdc( UInt uiSymbol );
119  Void  xCodeDeltaDC         ( Pel valDeltaDC, UInt uiNumSeg );
120#endif
121#if NH_3D_DMM
122  Void  xCodeIntraDepthMode  ( TComDataCU* pcCU, UInt absPartIdx );
123  Void  xCodeDmmData         ( TComDataCU* pcCU, UInt absPartIdx );
124  Void  xCodeDmm1WedgeIdx    ( UInt uiTabIdx, Int iNumBit );
125#endif
126
127
128  Void  xCopyFrom            ( const TEncSbac* pSrc );
129  Void  xCopyContextsFrom    ( const TEncSbac* pSrc );
130
131protected:
132  TComBitIf*    m_pcBitIf;
133  TEncBinIf*    m_pcBinIf;
134
135  //--Adaptive loop filter
136
137public:
138  Void codeCUTransquantBypassFlag( TComDataCU* pcCU, UInt uiAbsPartIdx );
139  Void codeSkipFlag      ( TComDataCU* pcCU, UInt uiAbsPartIdx );
140#if NH_3D_DIS
141  Void codeDIS           ( TComDataCU* pcCU, UInt uiAbsPartIdx );
142#endif
143  Void codeMergeFlag     ( TComDataCU* pcCU, UInt uiAbsPartIdx );
144  Void codeMergeIndex    ( TComDataCU* pcCU, UInt uiAbsPartIdx );
145#if NH_3D_ARP
146  Void codeARPW          ( TComDataCU* pcCU, UInt uiAbsPartIdx );
147#endif
148#if NH_3D_IC
149  Void codeICFlag        ( TComDataCU* pcCU, UInt uiAbsPartIdx );
150#endif
151#if NH_3D_DMM || NH_3D_SDC_INTRA || NH_3D_SDC_INTER
152  Void  codeDeltaDC      ( TComDataCU* pcCU, UInt absPartIdx );
153#endif
154#if NH_3D_SDC_INTRA || NH_3D_SDC_INTER
155  Void codeSDCFlag       ( TComDataCU* pcCU, UInt uiAbsPartIdx );
156#endif
157#if NH_3D_DBBP
158  Void codeDBBPFlag      ( TComDataCU* pcCU, UInt uiAbsPartIdx );
159#endif
160  Void codeSplitFlag     ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
161  Void codeMVPIdx        ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList );
162
163  Void codePartSize      ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
164  Void codePredMode      ( TComDataCU* pcCU, UInt uiAbsPartIdx );
165  Void codeIPCMInfo      ( TComDataCU* pcCU, UInt uiAbsPartIdx );
166  Void codeTransformSubdivFlag ( UInt uiSymbol, UInt uiCtx );
167  Void codeQtCbf               ( TComTU & rTu, const ComponentID compID, const Bool lowestLevel );
168  Void codeQtRootCbf           ( TComDataCU* pcCU, UInt uiAbsPartIdx );
169  Void codeQtCbfZero           ( TComTU &rTu, const ChannelType chType );
170  Void codeQtRootCbfZero       ( );
171  Void codeIntraDirLumaAng     ( TComDataCU* pcCU, UInt absPartIdx, Bool isMultiple);
172  Void codeIntraDirChroma      ( TComDataCU* pcCU, UInt uiAbsPartIdx );
173  Void codeInterDir            ( TComDataCU* pcCU, UInt uiAbsPartIdx );
174  Void codeRefFrmIdx           ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList );
175  Void codeMvd                 ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList );
176
177  Void codeCrossComponentPrediction( TComTU &rTu, ComponentID compID );
178
179  Void codeDeltaQP             ( TComDataCU* pcCU, UInt uiAbsPartIdx );
180  Void codeChromaQpAdjustment  ( TComDataCU* cu, UInt absPartIdx );
181
182  Void codeLastSignificantXY ( UInt uiPosX, UInt uiPosY, Int width, Int height, ComponentID component, UInt uiScanIdx );
183  Void codeCoeffNxN            ( TComTU &rTu, TCoeff* pcCoef, const ComponentID compID );
184  Void codeTransformSkipFlags ( TComTU &rTu, ComponentID component );
185
186  // -------------------------------------------------------------------------------------------------------------------
187  // for RD-optimizatioon
188  // -------------------------------------------------------------------------------------------------------------------
189
190  Void estBit               (estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, ChannelType chType);
191  Void estCBFBit                     ( estBitsSbacStruct* pcEstBitsSbac );
192  Void estSignificantCoeffGroupMapBit( estBitsSbacStruct* pcEstBitsSbac, ChannelType chType );
193  Void estSignificantMapBit          ( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, ChannelType chType );
194  Void estLastSignificantPositionBit ( estBitsSbacStruct* pcEstBitsSbac, Int width, Int height, ChannelType chType );
195  Void estSignificantCoefficientsBit ( estBitsSbacStruct* pcEstBitsSbac, ChannelType chType );
196
197  Void codeExplicitRdpcmMode            ( TComTU &rTu, const ComponentID compID );
198
199
200  TEncBinIf* getEncBinIf()  { return m_pcBinIf; }
201private:
202  ContextModel         m_contextModels[MAX_NUM_CTX_MOD];
203  Int                  m_numContextModels;
204  ContextModel3DBuffer m_cCUSplitFlagSCModel;
205  ContextModel3DBuffer m_cCUSkipFlagSCModel;
206#if NH_3D_DIS
207  ContextModel3DBuffer m_cCUDISFlagSCModel;
208  ContextModel3DBuffer m_cCUDISTypeSCModel;
209#endif
210  ContextModel3DBuffer m_cCUMergeFlagExtSCModel;
211  ContextModel3DBuffer m_cCUMergeIdxExtSCModel;
212#if NH_3D_ARP
213  ContextModel3DBuffer m_cCUPUARPWSCModel;
214#endif
215#if NH_3D_IC
216  ContextModel3DBuffer m_cCUICFlagSCModel;
217#endif
218  ContextModel3DBuffer m_cCUPartSizeSCModel;
219  ContextModel3DBuffer m_cCUPredModeSCModel;
220  ContextModel3DBuffer m_cCUIntraPredSCModel;
221  ContextModel3DBuffer m_cCUChromaPredSCModel;
222  ContextModel3DBuffer m_cCUDeltaQpSCModel;
223  ContextModel3DBuffer m_cCUInterDirSCModel;
224  ContextModel3DBuffer m_cCURefPicSCModel;
225  ContextModel3DBuffer m_cCUMvdSCModel;
226  ContextModel3DBuffer m_cCUQtCbfSCModel;
227  ContextModel3DBuffer m_cCUTransSubdivFlagSCModel;
228  ContextModel3DBuffer m_cCUQtRootCbfSCModel;
229
230  ContextModel3DBuffer m_cCUSigCoeffGroupSCModel;
231  ContextModel3DBuffer m_cCUSigSCModel;
232  ContextModel3DBuffer m_cCuCtxLastX;
233  ContextModel3DBuffer m_cCuCtxLastY;
234  ContextModel3DBuffer m_cCUOneSCModel;
235  ContextModel3DBuffer m_cCUAbsSCModel;
236
237  ContextModel3DBuffer m_cMVPIdxSCModel;
238
239  ContextModel3DBuffer m_cSaoMergeSCModel;
240  ContextModel3DBuffer m_cSaoTypeIdxSCModel;
241  ContextModel3DBuffer m_cTransformSkipSCModel;
242  ContextModel3DBuffer m_CUTransquantBypassFlagSCModel;
243  ContextModel3DBuffer m_explicitRdpcmFlagSCModel;
244  ContextModel3DBuffer m_explicitRdpcmDirSCModel;
245  ContextModel3DBuffer m_cCrossComponentPredictionSCModel;
246
247  ContextModel3DBuffer m_ChromaQpAdjFlagSCModel;
248  ContextModel3DBuffer m_ChromaQpAdjIdcSCModel;
249
250#if NH_3D_DMM
251  ContextModel3DBuffer m_cNotDmmFlagSCModel;
252  ContextModel3DBuffer m_cDmmModeSCModel;
253#endif
254#if NH_3D_DMM || NH_3D_SDC_INTRA || NH_3D_SDC_INTER
255  ContextModel3DBuffer m_cDdcDataSCModel;
256  ContextModel3DBuffer m_cSDCFlagSCModel;
257#endif
258#if NH_3D_SDC_INTRA 
259  ContextModel3DBuffer m_cSDCResidualFlagSCModel;
260  ContextModel3DBuffer m_cSDCResidualSCModel;
261  ContextModel3DBuffer m_cDdcFlagSCModel;
262#endif
263#if NH_3D_DBBP
264  ContextModel3DBuffer m_cDBBPFlagSCModel;
265#endif
266
267  UInt m_golombRiceAdaptationStatistics[RExt__GOLOMB_RICE_ADAPTATION_STATISTICS_SETS];
268};
269
270//! \}
271
272#endif // !defined(AFX_TENCSBAC_H__DDA7CDC4_EDE3_4015_9D32_2156249C82AA__INCLUDED_)
Note: See TracBrowser for help on using the repository browser.