forked from mirror/libbpg
98 lines
3.7 KiB
C
98 lines
3.7 KiB
C
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/* The copyright in this software is being made available under the BSD
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* License, included below. This software may be subject to other third party
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* and contributor rights, including patent rights, and no such rights are
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* granted under this license.
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*
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* Copyright (c) 2010-2014, ITU/ISO/IEC
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* * Neither the name of the ITU/ISO/IEC nor the names of its contributors may
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* be used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/** \file SyntaxElementWriter.h
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\brief CAVLC encoder class (header)
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*/
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#ifndef __SYNTAXELEMENTWRITER__
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#define __SYNTAXELEMENTWRITER__
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#if _MSC_VER > 1000
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#pragma once
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#endif // _MSC_VER > 1000
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#include "TLibCommon/CommonDef.h"
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#include "TLibCommon/TComBitStream.h"
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#include "TLibCommon/TComRom.h"
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//! \ingroup TLibEncoder
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//! \{
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#if ENC_DEC_TRACE
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#define WRITE_CODE( value, length, name) xWriteCodeTr ( value, length, name )
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#define WRITE_UVLC( value, name) xWriteUvlcTr ( value, name )
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#define WRITE_SVLC( value, name) xWriteSvlcTr ( value, name )
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#define WRITE_FLAG( value, name) xWriteFlagTr ( value, name )
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#else
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#define WRITE_CODE( value, length, name) xWriteCode ( value, length )
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#define WRITE_UVLC( value, name) xWriteUvlc ( value )
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#define WRITE_SVLC( value, name) xWriteSvlc ( value )
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#define WRITE_FLAG( value, name) xWriteFlag ( value )
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#endif
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class SyntaxElementWriter
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{
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protected:
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TComBitIf* m_pcBitIf;
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SyntaxElementWriter()
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:m_pcBitIf(NULL)
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{};
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virtual ~SyntaxElementWriter() {};
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Void setBitstream ( TComBitIf* p ) { m_pcBitIf = p; }
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Void xWriteCode ( UInt uiCode, UInt uiLength );
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Void xWriteUvlc ( UInt uiCode );
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Void xWriteSvlc ( Int iCode );
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Void xWriteFlag ( UInt uiCode );
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#if ENC_DEC_TRACE
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Void xWriteCodeTr ( UInt value, UInt length, const Char *pSymbolName);
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Void xWriteUvlcTr ( UInt value, const Char *pSymbolName);
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Void xWriteSvlcTr ( Int value, const Char *pSymbolName);
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Void xWriteFlagTr ( UInt value, const Char *pSymbolName);
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#endif
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UInt xConvertToUInt ( Int iValue ) { return ( iValue <= 0) ? -iValue<<1 : (iValue<<1)-1; }
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};
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//! \}
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#endif // !defined(__SYNTAXELEMENTWRITER__)
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