libbpg/jctvc/TLibEncoder/SyntaxElementWriter.h

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2015-01-16 12:46:18 +00:00
/* The copyright in this software is being made available under the BSD
* License, included below. This software may be subject to other third party
* and contributor rights, including patent rights, and no such rights are
* granted under this license.
*
* Copyright (c) 2010-2014, ITU/ISO/IEC
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* * Neither the name of the ITU/ISO/IEC nor the names of its contributors may
* be used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
/** \file SyntaxElementWriter.h
\brief CAVLC encoder class (header)
*/
#ifndef __SYNTAXELEMENTWRITER__
#define __SYNTAXELEMENTWRITER__
#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
#include "TLibCommon/CommonDef.h"
#include "TLibCommon/TComBitStream.h"
#include "TLibCommon/TComRom.h"
//! \ingroup TLibEncoder
//! \{
#if ENC_DEC_TRACE
#define WRITE_CODE( value, length, name) xWriteCodeTr ( value, length, name )
#define WRITE_UVLC( value, name) xWriteUvlcTr ( value, name )
#define WRITE_SVLC( value, name) xWriteSvlcTr ( value, name )
#define WRITE_FLAG( value, name) xWriteFlagTr ( value, name )
#else
#define WRITE_CODE( value, length, name) xWriteCode ( value, length )
#define WRITE_UVLC( value, name) xWriteUvlc ( value )
#define WRITE_SVLC( value, name) xWriteSvlc ( value )
#define WRITE_FLAG( value, name) xWriteFlag ( value )
#endif
class SyntaxElementWriter
{
protected:
TComBitIf* m_pcBitIf;
SyntaxElementWriter()
:m_pcBitIf(NULL)
{};
virtual ~SyntaxElementWriter() {};
Void setBitstream ( TComBitIf* p ) { m_pcBitIf = p; }
Void xWriteCode ( UInt uiCode, UInt uiLength );
Void xWriteUvlc ( UInt uiCode );
Void xWriteSvlc ( Int iCode );
Void xWriteFlag ( UInt uiCode );
#if ENC_DEC_TRACE
Void xWriteCodeTr ( UInt value, UInt length, const Char *pSymbolName);
Void xWriteUvlcTr ( UInt value, const Char *pSymbolName);
Void xWriteSvlcTr ( Int value, const Char *pSymbolName);
Void xWriteFlagTr ( UInt value, const Char *pSymbolName);
#endif
UInt xConvertToUInt ( Int iValue ) { return ( iValue <= 0) ? -iValue<<1 : (iValue<<1)-1; }
};
//! \}
#endif // !defined(__SYNTAXELEMENTWRITER__)