tconverter.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 _TCONVERTER_H_
#define _TCONVERTER_H_

#ifdef HELIX_FEATURE_FLP_T_CONVERTER
#include "../tconverter/flpoint/tconverter_flp.h"
#define CHXTimestampConverter_IMPLEMENTER_CLASS CHXTimestampConverterFLP
#else	// TCONVERTER_FIXEDPOINT
#include "../tconverter/fxpoint/tconverter_fxp.h"
#define CHXTimestampConverter_IMPLEMENTER_CLASS CHXTimestampConverterFXP
#endif	// TCONVERTER_FIXEDPOINT


class CHXTimestampConverter
{
public:
    /* will use only one of conversion types */
    typedef enum
    {
	FACTORS = CHXTimestampConverter_IMPLEMENTER_CLASS::FACTORS,
	SAMPLES = CHXTimestampConverter_IMPLEMENTER_CLASS::SAMPLES
    } ConversionType;

    typedef CHXTimestampConverter_IMPLEMENTER_CLASS::ConversionFactors
	    ConversionFactors;

    /*
     * if CvtType == FACTORS, ulVal1 is HXA Factor, ulVal2 is RTP Factor
     * if CvtType == SAMPLES, ulVal1 is Sample Rate
     */
    void ReInit(ConversionType cvtType,
		UINT32 ulVal1,
		UINT32 ulVal2 = 0)
    {
	m_Impl.ReInit((CHXTimestampConverter_IMPLEMENTER_CLASS::ConversionType) cvtType, 
		      ulVal1, 
		      ulVal2);
    }

    void ReInit(ConversionFactors cvtFactors)
    {
	m_Impl.ReInit(cvtFactors);
    }

    /* default constructor */
    CHXTimestampConverter()
    {
	;  // nothing to do
    }
    
    /*
     * if CvtType == FACTORS, ulVal1 is RMA Factor, ulVal2 is RTP Factor
     * if CvtType == SAMPLES, ulVal1 is Sample Rate
     */
    CHXTimestampConverter(ConversionType cvtType,
			  UINT32 ulVal1, 
			  UINT32 ulVal2 = 0)
	: m_Impl((CHXTimestampConverter_IMPLEMENTER_CLASS::ConversionType) cvtType, 
		 ulVal1, 
		 ulVal2)
    {
	;
    }

    CHXTimestampConverter(ConversionFactors cvtFactors)
	: m_Impl(cvtFactors)
    {
	;
    }

    /*
     * assignment
     */
    CHXTimestampConverter& operator=(const CHXTimestampConverter& lhs)
    {
	m_Impl = lhs.m_Impl;
	return *this;
    }
    
    /*
     * conversions
     */
    UINT32 hxa2rtp(UINT32 ulHxaTS)
    {
	return m_Impl.hxa2rtp(ulHxaTS);
    }

    UINT32 rtp2hxa(UINT32 ulRtpTS)
    {
	return m_Impl.rtp2hxa(ulRtpTS);
    }

    UINT32 hxa2rtp_raw(UINT32 ulHxaTS)
    {
	return m_Impl.hxa2rtp_raw(ulHxaTS);
    }

    UINT32 rtp2hxa_raw(UINT32 ulRtpTS)
    {
	return m_Impl.rtp2hxa_raw(ulRtpTS);
    }
    
    /*
     * anchors
     */
    void setHXAnchor(UINT32 ulHXAnchor)
    {
	m_Impl.setHXAnchor(ulHXAnchor);
    }

    void setRTPAnchor(UINT32 ulRTPAnchor)
    {
	m_Impl.setRTPAnchor(ulRTPAnchor);
    }

    void setAnchor(UINT32 ulHXAnchor, UINT32 ulRTPAnchor)
    {
	m_Impl.setAnchor(ulHXAnchor, ulRTPAnchor);
    }

    ULONG32 GetRTPAnchor(void)
    {
	return m_Impl.GetRTPAnchor();
    }

    ULONG32 GetHXAnchor(void)
    {
	return m_Impl.GetHXAnchor();
    }

    /*
     * factors
     */
    ConversionFactors GetConversionFactors(void)
    {
	return m_Impl.GetConversionFactors();
    }

private:

    CHXTimestampConverter_IMPLEMENTER_CLASS m_Impl;
};

#endif /* _TCONVERTER_H_ */