source: 3DVCSoftware/trunk/source/Lib/TLibDecoder/TDecBinCoderCABAC.h @ 724

Last change on this file since 724 was 608, checked in by tech, 11 years ago

Merged DEV-2.0-dev0@604.

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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
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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     TDecBinCoderCABAC.h
35    \brief    binary entropy decoder of CABAC
36*/
37
38#ifndef __TDEC_BIN_CODER_CABAC__
39#define __TDEC_BIN_CODER_CABAC__
40
[56]41#include "TLibCommon/TComCABACTables.h"
[2]42#include "TDecBinCoder.h"
43
[56]44//! \ingroup TLibDecoder
45//! \{
[2]46
47class TDecBinCABAC : public TDecBinIf
48{
49public:
50  TDecBinCABAC ();
51  virtual ~TDecBinCABAC();
[56]52 
53  Void  init              ( TComInputBitstream* pcTComBitstream );
[2]54  Void  uninit            ();
[56]55 
[2]56  Void  start             ();
57  Void  finish            ();
[56]58 
[2]59  Void  decodeBin         ( UInt& ruiBin, ContextModel& rcCtxModel );
60  Void  decodeBinEP       ( UInt& ruiBin                           );
[56]61  Void  decodeBinsEP      ( UInt& ruiBin, Int numBins              );
[2]62  Void  decodeBinTrm      ( UInt& ruiBin                           );
[56]63 
64  Void  xReadPCMCode      ( UInt uiLength, UInt& ruiCode );
65 
66  Void  copyState         ( TDecBinIf* pcTDecBinIf );
67  TDecBinCABAC* getTDecBinCABAC()  { return this; }
[2]68
69private:
[56]70  TComInputBitstream* m_pcTComBitstream;
[2]71  UInt                m_uiRange;
72  UInt                m_uiValue;
[56]73  Int                 m_bitsNeeded;
[2]74};
75
[56]76//! \}
[2]77
78#endif
79
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