chxeven.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 _MSDOS
#ifndef _UNIX
#pragma once
#endif 
#endif

#ifndef _CHXEVENT_H_
#define _CHXEVENT_H_

#include "hxtypes.h"

struct IHXPacket;
struct RendererInfo;

class CHXEvent 
{
protected:
    UINT32		m_ulTimeStartPos;
    UINT32		m_ulSequenceNum;
    IHXPacket*		m_pPacket;
    BOOL		m_bIsPreSeek;

public:
    // used by HXPlayer to associate packet with the renderer..
    RendererInfo*	m_pRendererInfo;
    LONG32		m_lOffset; 

public: 

    CHXEvent(IHXPacket*   packetArg,
	     UINT32	    timeStartPosArg = 0,
	     BOOL	    bIsPreSeek = FALSE,
	     UINT32	    sequenceNumArg = 0)
	     :	m_pPacket(packetArg),
		m_ulTimeStartPos(timeStartPosArg),
		m_bIsPreSeek(bIsPreSeek),
		m_ulSequenceNum(sequenceNumArg),
		m_pRendererInfo(NULL),
		m_lOffset(0)
     { 
	if (m_pPacket)
	{
	    m_pPacket->AddRef();
	}
     };

    ~CHXEvent(void)
    {
	if (m_pPacket)
	{
	    m_pPacket->Release();
	    m_pPacket = 0;
	}
    };

    inline  IHXPacket* GetPacket(void) 
			    {return m_pPacket;};
    
    inline  UINT32	GetTimeStartPos(void) 
			    {return m_ulTimeStartPos;};

    inline  void	SetTimeStartPos(UINT32 ulTimeStartPos) 
			    {m_ulTimeStartPos = ulTimeStartPos;};

    inline  UINT32	GetSequence(void) 
			    {return m_ulSequenceNum;};

    inline  int		Due(UINT32 timePosArg) 
			    {return (timePosArg >= m_ulTimeStartPos);};
		
    inline  void	SetTimeOffset(LONG32 lOffset) 
			    {m_lOffset = lOffset;};

    inline  LONG32	GetTimeOffset(void) 
			    {return m_lOffset;};

    inline  void	SetPreSeekEvent(BOOL bIsPreSeek = TRUE) 
			    {m_bIsPreSeek = bIsPreSeek;};

    inline  BOOL	IsPreSeekEvent(void) 
			    {return m_bIsPreSeek;};
};

#endif // _CHXEVENT_H_