source: 3DVCSoftware/branches/HTM-8.2-dev3-Qualcomm/source/Lib/TLibDecoder/TDecSbac.h @ 667

Last change on this file since 667 was 667, checked in by zhang, 11 years ago

JCT3V-F0132; JCT3V-F0171

  • Property svn:eol-style set to native
File size: 9.8 KB
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[5]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
[56]4 * granted under this license. 
[5]5 *
[608]6 * Copyright (c) 2010-2013, ITU/ISO/IEC
[5]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.
[56]17 *  * Neither the name of the ITU/ISO/IEC nor the names of its contributors may
[5]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 */
[2]33
34/** \file     TDecSbac.h
35    \brief    SBAC decoder class (header)
36*/
37
38#ifndef __TDECSBAC__
39#define __TDECSBAC__
40
41
42#if _MSC_VER > 1000
43#pragma once
44#endif // _MSC_VER > 1000
45
46
47#include "TDecEntropy.h"
48#include "TDecBinCoder.h"
[56]49#include "TLibCommon/ContextTables.h"
50#include "TLibCommon/ContextModel.h"
51#include "TLibCommon/ContextModel3DBuffer.h"
[2]52
[56]53//! \ingroup TLibDecoder
54//! \{
55
[2]56// ====================================================================================================================
57// Class definition
58// ====================================================================================================================
59
60/// SBAC decoder class
61class TDecSbac : public TDecEntropyIf
62{
63public:
64  TDecSbac();
65  virtual ~TDecSbac();
66 
67  Void  init                      ( TDecBinIf* p )    { m_pcTDecBinIf = p; }
68  Void  uninit                    (              )    { m_pcTDecBinIf = 0; }
69 
[56]70  Void load                          ( TDecSbac* pScr );
71  Void loadContexts                  ( TDecSbac* pScr );
72  Void xCopyFrom           ( TDecSbac* pSrc );
73  Void xCopyContextsFrom       ( TDecSbac* pSrc );
74
75  Void  resetEntropy (TComSlice* pSlice );
76  Void  setBitstream              ( TComInputBitstream* p  ) { m_pcBitstream = p; m_pcTDecBinIf->init( p ); }
[608]77  Void  parseVPS                  ( TComVPS* /*pcVPS*/ ) {}
78#if H_3D
79  Void  parseSPS                  ( TComSPS* /*pcSPS*/ , Int /*viewIndex*/, Bool /*depthFlag*/ ) {}
[56]80#else
[608]81  Void  parseSPS                  ( TComSPS* /*pcSPS*/ ) {}
[56]82#endif
[608]83  Void  parsePPS                  ( TComPPS* /*pcPPS*/ ) {}
[56]84
[608]85  Void  parseSliceHeader          ( TComSlice*& /*rpcSlice*/, ParameterSetManagerDecoder* /*parameterSetManager*/) {}
[2]86  Void  parseTerminatingBit       ( UInt& ruiBit );
[56]87  Void  parseMVPIdx               ( Int& riMVPIdx          );
[443]88  Void  parseSaoMaxUvlc           ( UInt& val, UInt maxSymbol );
[608]89  Void  parseSaoMerge         ( UInt&  ruiVal   );
[443]90  Void  parseSaoTypeIdx           ( UInt&  ruiVal  );
91  Void  parseSaoUflc              ( UInt uiLength, UInt& ruiVal     );
92  Void  parseSaoOneLcuInterleaving(Int rx, Int ry, SAOParam* pSaoParam, TComDataCU* pcCU, Int iCUAddrInSlice, Int iCUAddrUpInSlice, Int allowMergeLeft, Int allowMergeUp);
93  Void  parseSaoOffset            (SaoLcuParam* psSaoLcuParam, UInt compIdx);
[2]94private:
95  Void  xReadUnarySymbol    ( UInt& ruiSymbol, ContextModel* pcSCModel, Int iOffset );
96  Void  xReadUnaryMaxSymbol ( UInt& ruiSymbol, ContextModel* pcSCModel, Int iOffset, UInt uiMaxSymbol );
97  Void  xReadEpExGolomb     ( UInt& ruiSymbol, UInt uiCount );
[608]98  Void  xReadCoefRemainExGolomb ( UInt &rSymbol, UInt &rParam );
99#if H_3D_DIM
100  Void  xReadExGolombLevel   ( UInt& ruiSymbol, ContextModel& rcSCModel  );
[667]101#if QC_DIM_DELTADC_UNIFY_F0132
102  Void  xParseDimDeltaDC     ( Pel& rValDeltaDC, UInt uiNumSeg );
103#else
[608]104  Void  xParseDimDeltaDC     ( Pel& rValDeltaDC, UInt dimType );
[667]105#endif
[608]106#if H_3D_DIM_DMM
107  Void  xParseDmm1WedgeIdx   ( UInt& ruiTabIdx, Int iNumBit );
108  Void  xParseDmm3WedgeIdx   ( UInt& ruiIntraIdx, Int iNumBit );
[5]109#endif
[608]110#if H_3D_DIM_RBC
111  Void  xParseRbcEdge        ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
[296]112#endif
[608]113#if H_3D_DIM_SDC
114  Void  xParseSDCResidualData     ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiPart );
[2]115#endif
[100]116#endif
[655]117#if H_3D_INTER_SDC
[608]118  Void  parseInterSDCFlag    ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
119  Void  parseInterSDCResidualData ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiPart );
120#endif
[2]121private:
[56]122  TComInputBitstream* m_pcBitstream;
[2]123  TDecBinIf*        m_pcTDecBinIf;
[608]124 
125public:
[2]126 
127  Void parseSkipFlag      ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
[608]128  Void parseCUTransquantBypassFlag( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
[2]129  Void parseSplitFlag     ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
130  Void parseMergeFlag     ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiPUIdx );
[608]131  Void parseMergeIndex    ( TComDataCU* pcCU, UInt& ruiMergeIndex );
132#if H_3D_ARP
[443]133  Void parseARPW          ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
134#endif
[608]135#if H_3D_IC
136  Void parseICFlag        ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
137#endif
[2]138  Void parsePartSize      ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
139  Void parsePredMode      ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
[608]140 
[2]141  Void parseIntraDirLumaAng( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
142 
143  Void parseIntraDirChroma( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
144 
[608]145#if H_3D_DIM
146  Void parseIntraDepth     ( TComDataCU* pcCU, UInt absPartIdx, UInt depth );
147  Void parseIntraDepthMode ( TComDataCU* pcCU, UInt absPartIdx, UInt depth );
148#endif
149
150  Void parseInterDir      ( TComDataCU* pcCU, UInt& ruiInterDir, UInt uiAbsPartIdx );
151  Void parseRefFrmIdx     ( TComDataCU* pcCU, Int& riRefFrmIdx, RefPicList eRefList );
[2]152  Void parseMvd           ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiPartIdx, UInt uiDepth, RefPicList eRefList );
153 
154  Void parseTransformSubdivFlag( UInt& ruiSubdivFlag, UInt uiLog2TransformBlockSize );
155  Void parseQtCbf         ( TComDataCU* pcCU, UInt uiAbsPartIdx, TextType eType, UInt uiTrDepth, UInt uiDepth );
[608]156  Void parseQtRootCbf     ( UInt uiAbsPartIdx, UInt& uiQtRootCbf );
[2]157 
158  Void parseDeltaQP       ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
159 
[56]160  Void parseIPCMInfo      ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth);
[2]161
[56]162  Void parseLastSignificantXY( UInt& uiPosLastX, UInt& uiPosLastY, Int width, Int height, TextType eTType, UInt uiScanIdx );
[2]163  Void parseCoeffNxN      ( TComDataCU* pcCU, TCoeff* pcCoef, UInt uiAbsPartIdx, UInt uiWidth, UInt uiHeight, UInt uiDepth, TextType eTType );
[608]164  Void parseTransformSkipFlags ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt width, UInt height, UInt uiDepth, TextType eTType);
165
[56]166  Void updateContextTables( SliceType eSliceType, Int iQp );
167
[608]168  Void  parseScalingList ( TComScalingList* /*scalingList*/ ) {}
[56]169
[2]170private:
171  UInt m_uiLastDQpNonZero;
172  UInt m_uiLastQp;
173 
[56]174  ContextModel         m_contextModels[MAX_NUM_CTX_MOD];
175  Int                  m_numContextModels;
176  ContextModel3DBuffer m_cCUSplitFlagSCModel;
[2]177  ContextModel3DBuffer m_cCUSkipFlagSCModel;
178  ContextModel3DBuffer m_cCUMergeFlagExtSCModel;
179  ContextModel3DBuffer m_cCUMergeIdxExtSCModel;
[608]180#if H_3D_ARP
181  ContextModel3DBuffer m_cCUPUARPWSCModel;
[56]182#endif
[608]183#if H_3D_IC
184  ContextModel3DBuffer m_cCUICFlagSCModel;
[443]185#endif
[2]186  ContextModel3DBuffer m_cCUPartSizeSCModel;
187  ContextModel3DBuffer m_cCUPredModeSCModel;
188  ContextModel3DBuffer m_cCUIntraPredSCModel;
189  ContextModel3DBuffer m_cCUChromaPredSCModel;
[56]190  ContextModel3DBuffer m_cCUDeltaQpSCModel;
[2]191  ContextModel3DBuffer m_cCUInterDirSCModel;
192  ContextModel3DBuffer m_cCURefPicSCModel;
193  ContextModel3DBuffer m_cCUMvdSCModel;
[56]194  ContextModel3DBuffer m_cCUQtCbfSCModel;
[2]195  ContextModel3DBuffer m_cCUTransSubdivFlagSCModel;
196  ContextModel3DBuffer m_cCUQtRootCbfSCModel;
197 
[56]198  ContextModel3DBuffer m_cCUSigCoeffGroupSCModel;
[2]199  ContextModel3DBuffer m_cCUSigSCModel;
200  ContextModel3DBuffer m_cCuCtxLastX;
201  ContextModel3DBuffer m_cCuCtxLastY;
202  ContextModel3DBuffer m_cCUOneSCModel;
203  ContextModel3DBuffer m_cCUAbsSCModel;
204 
205  ContextModel3DBuffer m_cMVPIdxSCModel;
206 
[56]207  ContextModel3DBuffer m_cCUAMPSCModel;
[443]208  ContextModel3DBuffer m_cSaoMergeSCModel;
209  ContextModel3DBuffer m_cSaoTypeIdxSCModel;
[608]210  ContextModel3DBuffer m_cTransformSkipSCModel;
211  ContextModel3DBuffer m_CUTransquantBypassFlagSCModel;
[56]212
[608]213#if H_3D_DIM
214  ContextModel3DBuffer m_cDepthIntraModeSCModel;
215  ContextModel3DBuffer m_cDdcFlagSCModel;
216  ContextModel3DBuffer m_cDdcDataSCModel;
217#if H_3D_DIM_DMM
218  ContextModel3DBuffer m_cDmm1DataSCModel;
219  ContextModel3DBuffer m_cDmm3DataSCModel;
[2]220#endif
[608]221#if H_3D_DIM_RBC
222  ContextModel3DBuffer m_cRbcDataSCModel;
[100]223#endif
[608]224#if H_3D_DIM_SDC 
225  ContextModel3DBuffer m_cSDCResidualFlagSCModel;
226  ContextModel3DBuffer m_cSDCResidualSCModel;
[100]227#endif
[443]228#endif
[655]229#if H_3D_INTER_SDC
[608]230  ContextModel3DBuffer m_cInterSDCFlagSCModel;
231  ContextModel3DBuffer m_cInterSDCResidualSCModel;
232  ContextModel3DBuffer m_cInterSDCResidualSignFlagSCModel;
[443]233#endif
[2]234};
235
[56]236//! \}
237
[2]238#endif // !defined(AFX_TDECSBAC_H__CFCAAA19_8110_47F4_9A16_810C4B5499D5__INCLUDED_)
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