source: SHVCSoftware/branches/SHM-1.0-dev/source/Lib/TLibDecoder/TDecSlice.h @ 1164

Last change on this file since 1164 was 2, checked in by seregin, 12 years ago

Initial import by Vadim Seregin <vseregin@…>

File size: 5.0 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) 2010-2012, 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     TDecSlice.h
35    \brief    slice decoder class (header)
36*/
37
38#ifndef __TDECSLICE__
39#define __TDECSLICE__
40
41#if _MSC_VER > 1000
42#pragma once
43#endif // _MSC_VER > 1000
44
45#include "TLibCommon/CommonDef.h"
46#include "TLibCommon/TComBitStream.h"
47#include "TLibCommon/TComPic.h"
48#include "TDecEntropy.h"
49#include "TDecCu.h"
50#include "TDecSbac.h"
51#include "TDecBinCoderCABAC.h"
52
53//! \ingroup TLibDecoder
54//! \{
55
56// ====================================================================================================================
57// Class definition
58// ====================================================================================================================
59
60/// slice decoder class
61class TDecSlice
62{
63private:
64  // access channel
65  TDecEntropy*    m_pcEntropyDecoder;
66  TDecCu*         m_pcCuDecoder;
67  UInt            m_uiCurrSliceIdx;
68
69  TDecSbac*       m_pcBufferSbacDecoders;   ///< line to store temporary contexts, one per column of tiles.
70  TDecBinCABAC*   m_pcBufferBinCABACs;
71  TDecSbac*       m_pcBufferLowLatSbacDecoders;   ///< dependent tiles: line to store temporary contexts, one per column of tiles.
72  TDecBinCABAC*   m_pcBufferLowLatBinCABACs;
73#if DEPENDENT_SLICES
74  std::vector<TDecSbac*> CTXMem;
75#endif
76
77#if SVC_EXTENSION
78  TDecTop**       m_ppcTDecTop;
79#endif 
80 
81public:
82  TDecSlice();
83  virtual ~TDecSlice();
84 
85#if SVC_EXTENSION 
86  Void  init              ( TDecTop** ppcDecTop, TDecEntropy* pcEntropyDecoder, TDecCu* pcMbDecoder );
87#else
88  Void  init              ( TDecEntropy* pcEntropyDecoder, TDecCu* pcMbDecoder );
89#endif
90  Void  create            ( TComSlice* pcSlice, Int iWidth, Int iHeight, UInt uiMaxWidth, UInt uiMaxHeight, UInt uiMaxDepth );
91  Void  destroy           ();
92 
93  Void  decompressSlice   ( TComInputBitstream* pcBitstream, TComInputBitstream** ppcSubstreams,   TComPic*& rpcPic, TDecSbac* pcSbacDecoder, TDecSbac* pcSbacDecoders );
94#if DEPENDENT_SLICES
95  Void      initCtxMem(  UInt i );
96  Void      setCtxMem( TDecSbac* sb, int b )   { CTXMem[b] = sb; }
97#endif
98
99#if SVC_EXTENSION
100  TDecTop*  getLayerDec   ( UInt LayerId )  { return m_ppcTDecTop[LayerId]; } 
101#endif
102};
103
104
105class ParameterSetManagerDecoder:public ParameterSetManager
106{
107public:
108  ParameterSetManagerDecoder();
109  virtual ~ParameterSetManagerDecoder();
110  Void     storePrefetchedVPS(TComVPS *vps)  { m_vpsBuffer.storePS( vps->getVPSId(), vps); };
111  TComVPS* getPrefetchedVPS  (Int vpsId);
112  Void     storePrefetchedSPS(TComSPS *sps)  { m_spsBuffer.storePS( sps->getSPSId(), sps); };
113  TComSPS* getPrefetchedSPS  (Int spsId);
114  Void     storePrefetchedPPS(TComPPS *pps)  { m_ppsBuffer.storePS( pps->getPPSId(), pps); };
115  TComPPS* getPrefetchedPPS  (Int ppsId);
116#if !REMOVE_APS
117  Void     storePrefetchedAPS(TComAPS *aps)  { m_apsBuffer.storePS( aps->getAPSID(), aps); };
118  TComAPS* getPrefetchedAPS  (Int apsId);
119#endif
120  Void     applyPrefetchedPS();
121
122private:
123  ParameterSetMap<TComVPS> m_vpsBuffer;
124  ParameterSetMap<TComSPS> m_spsBuffer; 
125  ParameterSetMap<TComPPS> m_ppsBuffer;
126#if !REMOVE_APS
127  ParameterSetMap<TComAPS> m_apsBuffer;
128#endif
129};
130
131
132//! \}
133
134#endif
135
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