source: 3DVCSoftware/tags/HTM-DEV-0.1/source/Lib/TLibDecoder/TDecCAVLC.h @ 324

Last change on this file since 324 was 324, checked in by tech, 11 years ago

Initial development version for update to latest HM version.
Includes MV-HEVC and basic extensions for 3D-HEVC.

  • Property svn:eol-style set to native
File size: 6.0 KB
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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) 2010-2013, 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//! \ingroup TLibDecoder
49//! \{
50
51// ====================================================================================================================
52// Class definition
53// ====================================================================================================================
54
55/// CAVLC decoder class
56class TDecCavlc : public SyntaxElementParser, public TDecEntropyIf
57{
58public:
59  TDecCavlc();
60  virtual ~TDecCavlc();
61 
62protected:
63  Void  xReadEpExGolomb       ( UInt& ruiSymbol, UInt uiCount );
64  Void  xReadExGolombLevel    ( UInt& ruiSymbol );
65  Void  xReadUnaryMaxSymbol   ( UInt& ruiSymbol, UInt uiMaxSymbol );
66 
67  Void  xReadPCMAlignZero     ();
68
69  UInt  xGetBit             ();
70 
71  void  parseShortTermRefPicSet            (TComSPS* pcSPS, TComReferencePictureSet* pcRPS, Int idx);
72private:
73 
74public:
75
76  /// rest entropy coder by intial QP and IDC in CABAC
77  Void  resetEntropy        ( TComSlice* /*pcSlice*/  )     { assert(0); };
78  Void  setBitstream        ( TComInputBitstream* p )   { m_pcBitstream = p; }
79  Void  parseTransformSubdivFlag( UInt& ruiSubdivFlag, UInt uiLog2TransformBlockSize );
80  Void  parseQtCbf          ( TComDataCU* pcCU, UInt uiAbsPartIdx, TextType eType, UInt uiTrDepth, UInt uiDepth );
81  Void  parseQtRootCbf      ( UInt uiAbsPartIdx, UInt& uiQtRootCbf );
82  Void  parseVPS            ( TComVPS* pcVPS );
83  Void  parseSPS            ( TComSPS* pcSPS );
84  Void  parsePPS            ( TComPPS* pcPPS);
85  Void  parseVUI            ( TComVUI* pcVUI, TComSPS* pcSPS );
86  Void  parseSEI            ( SEIMessages& );
87  Void  parsePTL            ( TComPTL *rpcPTL, Bool profilePresentFlag, Int maxNumSubLayersMinus1 );
88  Void  parseProfileTier    (ProfileTierLevel *ptl);
89#if SIGNAL_BITRATE_PICRATE_IN_VPS
90  Void  parseBitratePicRateInfo(TComBitRatePicRateInfo *info, Int tempLevelLow, Int tempLevelHigh);
91#endif
92  Void  parseHrdParameters  (TComHRD *hrd, Bool cprms_present_flag, UInt tempLevelHigh);
93  Void  parseSliceHeader    ( TComSlice*& rpcSlice, ParameterSetManagerDecoder *parameterSetManager);
94  Void  parseTerminatingBit ( UInt& ruiBit );
95 
96  Void  parseMVPIdx         ( Int& riMVPIdx );
97 
98  Void  parseSkipFlag       ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
99  Void  parseCUTransquantBypassFlag( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
100  Void parseMergeFlag       ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiPUIdx );
101  Void parseMergeIndex      ( TComDataCU* pcCU, UInt& ruiMergeIndex );
102  Void parseSplitFlag       ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
103  Void parsePartSize        ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
104  Void parsePredMode        ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
105 
106  Void parseIntraDirLumaAng ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
107 
108  Void parseIntraDirChroma  ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
109 
110  Void parseInterDir        ( TComDataCU* pcCU, UInt& ruiInterDir, UInt uiAbsPartIdx );
111  Void parseRefFrmIdx       ( TComDataCU* pcCU, Int& riRefFrmIdx,  RefPicList eRefList );
112  Void parseMvd             ( TComDataCU* pcCU, UInt uiAbsPartAddr,UInt uiPartIdx,    UInt uiDepth, RefPicList eRefList );
113 
114  Void parseDeltaQP         ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth );
115  Void parseCoeffNxN        ( TComDataCU* pcCU, TCoeff* pcCoef, UInt uiAbsPartIdx, UInt uiWidth, UInt uiHeight, UInt uiDepth, TextType eTType );
116  Void parseTransformSkipFlags ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt width, UInt height, UInt uiDepth, TextType eTType);
117
118  Void parseIPCMInfo        ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth);
119
120  Void updateContextTables  ( SliceType /*eSliceType*/, Int /*iQp*/ ) { return; }
121
122  Void xParsePredWeightTable ( TComSlice* pcSlice );
123  Void  parseScalingList               ( TComScalingList* scalingList );
124  Void xDecodeScalingList    ( TComScalingList *scalingList, UInt sizeId, UInt listId);
125protected:
126  Bool  xMoreRbspData();
127};
128
129//! \}
130
131#endif // !defined(AFX_TDECCAVLC_H__9732DD64_59B0_4A41_B29E_1A5B18821EAD__INCLUDED_)
132
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