[608] | 1 | /* The copyright in this software is being made available under the BSD |
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| 2 | * License, included below. This software may be subject to other third party |
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| 3 | * and contributor rights, including patent rights, and no such rights are |
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[1313] | 4 | * granted under this license. |
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[608] | 5 | * |
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[1313] | 6 | * Copyright (c) 2010-2015, ITU/ISO/IEC |
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[608] | 7 | * All rights reserved. |
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| 8 | * |
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| 9 | * Redistribution and use in source and binary forms, with or without |
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| 10 | * modification, are permitted provided that the following conditions are met: |
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| 11 | * |
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| 12 | * * Redistributions of source code must retain the above copyright notice, |
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| 13 | * this list of conditions and the following disclaimer. |
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| 14 | * * Redistributions in binary form must reproduce the above copyright notice, |
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| 15 | * this list of conditions and the following disclaimer in the documentation |
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| 16 | * and/or other materials provided with the distribution. |
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| 17 | * * Neither the name of the ITU/ISO/IEC nor the names of its contributors may |
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| 18 | * be used to endorse or promote products derived from this software without |
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| 19 | * specific prior written permission. |
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| 20 | * |
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| 21 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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| 22 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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| 24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS |
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| 25 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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| 26 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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| 27 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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| 28 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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| 29 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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| 30 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
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| 31 | * THE POSSIBILITY OF SUCH DAMAGE. |
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| 32 | */ |
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| 33 | |
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| 34 | /** \file SyntaxElementWriter.h |
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| 35 | \brief CAVLC encoder class (header) |
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| 36 | */ |
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| 37 | |
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| 38 | #ifndef __SYNTAXELEMENTWRITER__ |
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| 39 | #define __SYNTAXELEMENTWRITER__ |
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| 40 | |
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| 41 | #if _MSC_VER > 1000 |
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| 42 | #pragma once |
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| 43 | #endif // _MSC_VER > 1000 |
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| 44 | |
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| 45 | #include "TLibCommon/CommonDef.h" |
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| 46 | #include "TLibCommon/TComBitStream.h" |
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| 47 | #include "TLibCommon/TComRom.h" |
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| 48 | |
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| 49 | //! \ingroup TLibEncoder |
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| 50 | //! \{ |
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| 51 | |
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| 52 | #if ENC_DEC_TRACE |
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| 53 | |
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| 54 | #define WRITE_CODE( value, length, name) xWriteCodeTr ( value, length, name ) |
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| 55 | #define WRITE_UVLC( value, name) xWriteUvlcTr ( value, name ) |
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| 56 | #define WRITE_SVLC( value, name) xWriteSvlcTr ( value, name ) |
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| 57 | #define WRITE_FLAG( value, name) xWriteFlagTr ( value, name ) |
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| 58 | |
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| 59 | #else |
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| 60 | |
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| 61 | #define WRITE_CODE( value, length, name) xWriteCode ( value, length ) |
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| 62 | #define WRITE_UVLC( value, name) xWriteUvlc ( value ) |
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| 63 | #define WRITE_SVLC( value, name) xWriteSvlc ( value ) |
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| 64 | #define WRITE_FLAG( value, name) xWriteFlag ( value ) |
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| 65 | |
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| 66 | #endif |
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| 67 | |
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| 68 | class SyntaxElementWriter |
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| 69 | { |
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| 70 | protected: |
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| 71 | TComBitIf* m_pcBitIf; |
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| 72 | |
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| 73 | SyntaxElementWriter() |
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| 74 | :m_pcBitIf(NULL) |
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| 75 | {}; |
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| 76 | virtual ~SyntaxElementWriter() {}; |
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| 77 | |
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| 78 | Void setBitstream ( TComBitIf* p ) { m_pcBitIf = p; } |
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| 79 | |
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| 80 | Void xWriteCode ( UInt uiCode, UInt uiLength ); |
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| 81 | Void xWriteUvlc ( UInt uiCode ); |
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| 82 | Void xWriteSvlc ( Int iCode ); |
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| 83 | Void xWriteFlag ( UInt uiCode ); |
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| 84 | #if ENC_DEC_TRACE |
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| 85 | Void xWriteCodeTr ( UInt value, UInt length, const Char *pSymbolName); |
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| 86 | Void xWriteUvlcTr ( UInt value, const Char *pSymbolName); |
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| 87 | Void xWriteSvlcTr ( Int value, const Char *pSymbolName); |
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| 88 | Void xWriteFlagTr ( UInt value, const Char *pSymbolName); |
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| 89 | #endif |
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[1313] | 90 | Void xWriteRbspTrailingBits(); |
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[608] | 91 | |
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| 92 | UInt xConvertToUInt ( Int iValue ) { return ( iValue <= 0) ? -iValue<<1 : (iValue<<1)-1; } |
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| 93 | }; |
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| 94 | |
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| 95 | //! \} |
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| 96 | |
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| 97 | #endif // !defined(__SYNTAXELEMENTWRITER__) |
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| 98 | |
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