tsconvrt.h

著名的 helix realplayer 基于手机 symbian 系统的 播放器全套源代码

/* ***** BEGIN LICENSE BLOCK ***** 
 * Version: RCSL 1.0/RPSL 1.0 
 *  
 * Portions Copyright (c) 1995-2002 RealNetworks, Inc. All Rights Reserved. 
 *      
 * The contents of this file, and the files included with this file, are 
 * subject to the current version of the RealNetworks Public Source License 
 * Version 1.0 (the "RPSL") available at 
 * http://www.helixcommunity.org/content/rpsl unless you have licensed 
 * the file under the RealNetworks Community Source License Version 1.0 
 * (the "RCSL") available at http://www.helixcommunity.org/content/rcsl, 
 * in which case the RCSL will apply. You may also obtain the license terms 
 * directly from RealNetworks.  You may not use this file except in 
 * compliance with the RPSL or, if you have a valid RCSL with RealNetworks 
 * applicable to this file, the RCSL.  Please see the applicable RPSL or 
 * RCSL for the rights, obligations and limitations governing use of the 
 * contents of the file.  
 *  
 * This file is part of the Helix DNA Technology. RealNetworks is the 
 * developer of the Original Code and owns the copyrights in the portions 
 * it created. 
 *  
 * This file, and the files included with this file, is distributed and made 
 * available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 
 * EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL SUCH WARRANTIES, 
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS 
 * FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 
 * 
 * Technology Compatibility Kit Test Suite(s) Location: 
 *    http://www.helixcommunity.org/content/tck 
 * 
 * Contributor(s): 
 *  
 * ***** END LICENSE BLOCK ***** */ 

#ifndef _TSCONVRT_H_
#define _TSCONVRT_H_

/****************************************************************************
 *  Defines
 */
#define TSCONVRT_INPUT	FALSE
#define TSCONVRT_OUTPUT	TRUE

/****************************************************************************
 *  Includes
 */
#include "hxtypes.h"
#include "hxresult.h"
#include "tconverter.h"


/****************************************************************************
 *  CTSConverter
 */
class CTSConverter
{
public:
    CTSConverter(ULONG32 ulTicksPerSecondIn = 1000,
		 ULONG32 ulTicksPerSecondOut = 1000)
	: m_Converter(CHXTimestampConverter::FACTORS,
		      ulTicksPerSecondOut,
		      ulTicksPerSecondIn)
    {
	;
    }

    ~CTSConverter()
    {
	;
    }

    void SetBase(ULONG32 ulTicksPerSecondIn, 
		 ULONG32 ulTicksPerSecondOut)
    {
	m_Converter.ReInit(CHXTimestampConverter::FACTORS,
			   ulTicksPerSecondOut, 
			   ulTicksPerSecondIn);
    }

    void SetOffset(ULONG32 ulOffset, BOOL bUseOutScale = TRUE)
    {
	if (bUseOutScale)
	{
	    m_Converter.setHXAnchor(ulOffset);
	}
	else
	{
	    m_Converter.setRTPAnchor(ulOffset);
	}
    }

    ULONG32 GetOffset(BOOL bUseOutScale = TRUE)
    {
	if (bUseOutScale)
	{
	    return m_Converter.GetHXAnchor();
	}

	return m_Converter.GetRTPAnchor();
    }

    void SetAnchor(ULONG32 ulTicksIn, ULONG32 ulTicksOut)
    {
	m_Converter.setAnchor(ulTicksOut, ulTicksIn);
    }

    void Reset(void)
    {
	m_Converter.setAnchor(0, 0);
    }

    ULONG32 Convert(ULONG32 ulInTicks)
    {
	return m_Converter.rtp2hxa(ulInTicks);
    }

    ULONG32 ConvertVector(ULONG32 ulInTicks)
    {
	return m_Converter.rtp2hxa_raw(ulInTicks);
    }
	
private:
    CHXTimestampConverter m_Converter;
};

#endif	// _TSCONVRT_H_