/* 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) 2010-2013, 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"
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 */

/** \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__)

