source: SHVCSoftware/branches/SHM-dev/source/Lib/TLibDecoder/TDecCAVLC.h @ 1510

Last change on this file since 1510 was 1491, checked in by seregin, 9 years ago

remove VPS dependency in SPS parsing introduced in SCALABLE_REXT
  • Property svn:eol-style set to native
File size: 6.7 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) 2010-2015, 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
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     TDecCAVLC.h
35    \brief    CAVLC decoder class (header)
36*/
37
38#ifndef __TDECCAVLC__
39#define __TDECCAVLC__
40
41#if _MSC_VER > 1000
42#pragma once
43#endif // _MSC_VER > 1000
44
45#include "TDecEntropy.h"
46#include "SyntaxElementParser.h"
47
48#if CGS_3D_ASYMLUT
49class TCom3DAsymLUT;
50#endif
51//! \ingroup TLibDecoder
52//! \{
53
54// ====================================================================================================================
55// Class definition
56// ====================================================================================================================
57
58/// CAVLC decoder class
59class TDecCavlc : public SyntaxElementParser, public TDecEntropyIf
60{
61public:
62  TDecCavlc();
63  virtual ~TDecCavlc();
64
65protected:
66
67  Void  parseShortTermRefPicSet            (TComSPS* pcSPS, TComReferencePictureSet* pcRPS, Int idx);
68
69public:
70
71  /// rest entropy coder by intial QP and IDC in CABAC
72  Void  resetEntropy        ( TComSlice* /*pcSlice*/  )     { assert(0); };
73  Void  setBitstream        ( TComInputBitstream* p )   { m_pcBitstream = p; }
74  Void  parseTransformSubdivFlag( UInt& ruiSubdivFlag, UInt uiLog2TransformBlockSize );
75  Void  parseQtCbf          ( class TComTU &rTu, const ComponentID compID, const Bool lowestLevel );
76  Void  parseQtRootCbf      ( UInt uiAbsPartIdx, UInt& uiQtRootCbf );
77  Void  parseVPS            ( TComVPS* pcVPS );
78  Void  parseSPS            ( TComSPS* pcSPS );
79#if !SVC_EXTENSION
80  Void  parsePPS            ( TComPPS* pcPPS );
81#endif
82  Void  parseVUI            ( TComVUI* pcVUI, TComSPS* pcSPS );
83  Void  parseSEI            ( SEIMessages& );
84  Void  parsePTL            ( TComPTL *rpcPTL, Bool profilePresentFlag, Int maxNumSubLayersMinus1 );
85  Void  parseProfileTier    (ProfileTierLevel *ptl, const Bool bIsSubLayer);
86  Void  parseHrdParameters  (TComHRD *hrd, Bool cprms_present_flag, UInt tempLevelHigh);
87  Void  parseSliceHeader    ( TComSlice* pcSlice, ParameterSetManager *parameterSetManager, const Int prevTid0POC);
88  Void  parseTerminatingBit ( UInt& ruiBit );
89  Void  parseRemainingBytes ( Bool noTrailingBytesExpected );
90
91  Void parseMVPIdx          ( Int& riMVPIdx );
92
93  Void parseSkipFlag        ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
94  Void parseCUTransquantBypassFlag( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
95  Void parseMergeFlag       ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiPUIdx );
96  Void parseMergeIndex      ( TComDataCU* pcCU, UInt& ruiMergeIndex );
97  Void parseSplitFlag       ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
98  Void parsePartSize        ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
99  Void parsePredMode        ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
100
101  Void parseIntraDirLumaAng ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
102  Void parseIntraDirChroma  ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
103
104  Void parseInterDir        ( TComDataCU* pcCU, UInt& ruiInterDir, UInt uiAbsPartIdx );
105  Void parseRefFrmIdx       ( TComDataCU* pcCU, Int& riRefFrmIdx, RefPicList eRefList );
106  Void parseMvd             ( TComDataCU* pcCU, UInt uiAbsPartAddr,UInt uiPartIdx,    UInt uiDepth, RefPicList eRefList );
107
108  Void parseCrossComponentPrediction( class TComTU &rTu, ComponentID compID );
109
110  Void parseDeltaQP         ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
111  Void parseChromaQpAdjustment( TComDataCU* cu, UInt absPartIdx, UInt depth);
112
113  Void parseCoeffNxN        ( class TComTU &rTu, ComponentID compID );
114
115  Void parseTransformSkipFlags ( class TComTU &rTu, ComponentID component );
116
117  Void parseIPCMInfo        ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth);
118
119  Void xParsePredWeightTable ( TComSlice* pcSlice, const TComSPS *sps );
120  Void  parseScalingList     ( TComScalingList* scalingList );
121  Void xDecodeScalingList    ( TComScalingList *scalingList, UInt sizeId, UInt listId);
122
123  Void  parseExplicitRdpcmMode( TComTU &rTu, ComponentID compID );
124
125protected:
126  Bool  xMoreRbspData();
127
128#if SVC_EXTENSION
129public:
130  Void  parseVPSExtension   ( TComVPS* pcVPS );
131  Void  defaultVPSExtension ( TComVPS* pcVPS );
132  Void  parseVPSVUI         ( TComVPS* pcVPS );
133  Void  defaultVPSVUI       ( TComVPS* pcVPS );
134  Void  parseRepFormat      ( RepFormat *repFormat, RepFormat *repFormatPrev );
135  Void  parseVpsDpbSizeTable( TComVPS *vps );
136  Void  parseVpsVuiBspHrdParams( TComVPS *vps );
137  Void  parseSPSExtension    ( TComSPS* pcSPS );
138#if CGS_3D_ASYMLUT
139  Void  parsePPS            ( TComPPS* pcPPS, TCom3DAsymLUT * pc3DAsymLUT , Int nLayerID );
140#else
141  Void  parsePPS            ( TComPPS* pcPPS );
142#endif
143
144protected:
145#if CGS_3D_ASYMLUT
146  Void xParse3DAsymLUT( TCom3DAsymLUT * pc3DAsymLUT );
147  Void xParse3DAsymLUTOctant( TCom3DAsymLUT * pc3DAsymLUT , Int nDepth , Int yIdx , Int uIdx , Int vIdx , Int nLength );
148  Void xReadParam( Int& param, Int flc_bits );
149#endif
150#endif //SVC_EXTENSION
151
152};
153
154//! \}
155
156#endif // !defined(AFX_TDECCAVLC_H__9732DD64_59B0_4A41_B29E_1A5B18821EAD__INCLUDED_)
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