source: 3DVCSoftware/branches/HTM-6.2-dev1-Samsung/Lib/TLibEncoder/TEncBinCoderCABAC.h @ 347

Last change on this file since 347 was 347, checked in by samsung-htm, 11 years ago

D0122 Integration

File size: 3.9 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) 2010-2012, 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     TEncBinCoderCABAC.h
35    \brief    binary entropy encoder of CABAC
36*/
37
38#ifndef __TENC_BIN_CODER_CABAC__
39#define __TENC_BIN_CODER_CABAC__
40
41#include "TLibCommon/TComCABACTables.h"
42#include "TEncBinCoder.h"
43
44//! \ingroup TLibEncoder
45//! \{
46
47class TEncBinCABAC : public TEncBinIf
48{
49public:
50  TEncBinCABAC ();
51  virtual ~TEncBinCABAC();
52 
53  Void  init              ( TComBitIf* pcTComBitIf );
54  Void  uninit            ();
55 
56  Void  start             ();
57  Void  finish            ();
58  Void  copyState         ( TEncBinIf* pcTEncBinIf );
59  Void  flush            ();
60
61  Void  resetBac          ();
62  Void  encodeNumSubseqIPCM( Int numSubseqIPCM );
63  Void  encodePCMAlignBits();
64  Void  xWritePCMCode     ( UInt uiCode, UInt uiLength );
65 
66  Void encodeFlush(Bool bEnd);  //!< flush bits when CABAC termination
67
68  Void  resetBits         ();
69  UInt  getNumWrittenBits ();
70 
71  Void  encodeBin         ( UInt  binValue,  ContextModel& rcCtxModel );
72  Void  encodeBinEP       ( UInt  binValue                            );
73  Void  encodeBinsEP      ( UInt  binValues, Int numBins              );
74  Void  encodeBinTrm      ( UInt  binValue                            );
75 
76  TEncBinCABAC* getTEncBinCABAC()  { return this; }
77 
78  Void  setBinsCoded              ( UInt uiVal )  { m_uiBinsCoded = uiVal;               }
79  UInt  getBinsCoded              ()              { return m_uiBinsCoded;                }
80  Void  setBinCountingEnableFlag  ( Bool bFlag )  { m_binCountIncrement = bFlag ? 1 : 0; }
81  Bool  getBinCountingEnableFlag  ()              { return m_binCountIncrement != 0;     }
82 
83#if FAST_BIT_EST
84protected:
85#else
86private:
87#endif
88  Void testAndWriteOut();
89  Void writeOut();
90 
91  TComBitIf*          m_pcTComBitIf;
92  UInt                m_uiLow;
93  UInt                m_uiRange;
94  UInt                m_bufferedByte;
95  Int                 m_numBufferedBytes;
96  Int                 m_bitsLeft;
97  UInt                m_uiBinsCoded;
98  Int                 m_binCountIncrement;
99#if FAST_BIT_EST
100  UInt64 m_fracBits;
101#endif
102};
103
104//! \}
105
106#endif
107
Note: See TracBrowser for help on using the repository browser.