[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 |
---|
[1200] | 4 | * granted under this license. |
---|
[5] | 5 | * |
---|
[1200] | 6 | * Copyright (c) 2010-2015, 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 |
---|
| 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 | */ |
---|
[2] | 33 | |
---|
| 34 | /** \file TDecBinCoderCABAC.h |
---|
| 35 | \brief binary entropy decoder of CABAC |
---|
| 36 | */ |
---|
| 37 | |
---|
[1200] | 38 | #ifndef __TDECBINCODERCABAC__ |
---|
| 39 | #define __TDECBINCODERCABAC__ |
---|
[2] | 40 | |
---|
[56] | 41 | #include "TLibCommon/TComCABACTables.h" |
---|
[2] | 42 | #include "TDecBinCoder.h" |
---|
| 43 | |
---|
[56] | 44 | //! \ingroup TLibDecoder |
---|
| 45 | //! \{ |
---|
[2] | 46 | |
---|
| 47 | class TDecBinCABAC : public TDecBinIf |
---|
| 48 | { |
---|
| 49 | public: |
---|
| 50 | TDecBinCABAC (); |
---|
| 51 | virtual ~TDecBinCABAC(); |
---|
[1200] | 52 | |
---|
[56] | 53 | Void init ( TComInputBitstream* pcTComBitstream ); |
---|
[2] | 54 | Void uninit (); |
---|
[1200] | 55 | |
---|
[2] | 56 | Void start (); |
---|
| 57 | Void finish (); |
---|
[1200] | 58 | |
---|
| 59 | #if RExt__DECODER_DEBUG_BIT_STATISTICS |
---|
| 60 | Void decodeBin ( UInt& ruiBin, ContextModel& rcCtxModel, const class TComCodingStatisticsClassType &whichStat ); |
---|
| 61 | Void decodeBinEP ( UInt& ruiBin , const class TComCodingStatisticsClassType &whichStat ); |
---|
| 62 | Void decodeBinsEP ( UInt& ruiBin, Int numBins , const class TComCodingStatisticsClassType &whichStat ); |
---|
| 63 | Void decodeAlignedBinsEP( UInt& ruiBins, Int numBins , const class TComCodingStatisticsClassType &whichStat ); |
---|
| 64 | #else |
---|
[2] | 65 | Void decodeBin ( UInt& ruiBin, ContextModel& rcCtxModel ); |
---|
| 66 | Void decodeBinEP ( UInt& ruiBin ); |
---|
[56] | 67 | Void decodeBinsEP ( UInt& ruiBin, Int numBins ); |
---|
[1200] | 68 | Void decodeAlignedBinsEP( UInt& ruiBins, Int numBins ); |
---|
| 69 | #endif |
---|
| 70 | |
---|
| 71 | Void align (); |
---|
| 72 | |
---|
[2] | 73 | Void decodeBinTrm ( UInt& ruiBin ); |
---|
[1200] | 74 | |
---|
[56] | 75 | Void xReadPCMCode ( UInt uiLength, UInt& ruiCode ); |
---|
[2] | 76 | |
---|
[1200] | 77 | Void copyState ( const TDecBinIf* pcTDecBinIf ); |
---|
| 78 | TDecBinCABAC* getTDecBinCABAC() { return this; } |
---|
| 79 | const TDecBinCABAC* getTDecBinCABAC() const { return this; } |
---|
| 80 | |
---|
[2] | 81 | private: |
---|
[56] | 82 | TComInputBitstream* m_pcTComBitstream; |
---|
[2] | 83 | UInt m_uiRange; |
---|
| 84 | UInt m_uiValue; |
---|
[56] | 85 | Int m_bitsNeeded; |
---|
[2] | 86 | }; |
---|
| 87 | |
---|
[56] | 88 | //! \} |
---|
[2] | 89 | |
---|
| 90 | #endif |
---|
| 91 | |
---|