chxphook.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 _CHXPHOOK_H_
#define _CHXPHOOK_H_

#include "hxphook.h"

typedef _INTERFACE  IHXPlayer			    IHXPlayer;
typedef _INTERFACE  IHXPacket			    IHXPacket;
typedef _INTERFACE  IHXPacketHook		    IHXPacketHook;
typedef _INTERFACE  IHXPacketHookManager	    IHXPacketHookManager;
typedef _INTERFACE  IHXPacketHookHelperResponse    IHXPacketHookHelperResponse;

class PacketHookManager : public IHXPacketHookManager
{
protected:

    virtual ~PacketHookManager();

    PRIVATE_DESTRUCTORS_ARE_NOT_A_CRIME

    LONG32		m_lRefCount;
    
    ULONG32		m_ulTotalStreams;
    ULONG32		m_ulRecordableStreams;

    IHXPlayer*		m_pPlayer;
    IHXPacketHook*	m_pPacketHook;

public:

    PacketHookManager(IHXPlayer* pPlayer);

    // helper functions
    STDMETHOD(OnPacket)		(THIS_
				IHXPacket* pPacket);

    STDMETHOD(OnEndOfPackets)	(THIS_
				ULONG32	ulStreamID);

    /*
     *	IUnknown methods
     */
    STDMETHOD(QueryInterface)	(THIS_
				REFIID riid,
				void** ppvObj);

    STDMETHOD_(ULONG32,AddRef)	(THIS);

    STDMETHOD_(ULONG32,Release)	(THIS);

    
    /*
     * IHXPacketHookManager methods
     */

    /************************************************************************
     *	Method:
     *	    IHXPacketHookManager::InitHook
     *	Purpose:
     *	    called by the top level client to pass the IHXPacketHook object
     */
    STDMETHOD(InitHook)		(THIS_
				IHXPacketHook* pPacketHook);

    /************************************************************************
     *	Method:
     *	    IHXPacketHookManager::CloseHook
     *	Purpose:
     *	    called by the top level client to close the hook connection
     */
    STDMETHOD(CloseHook)	(THIS);

    /************************************************************************
     *	Method:
     *	    IHXPacketHookManager::StartHook
     *	Purpose:
     *	    called by the top level client to start recording
     */
    STDMETHOD(StartHook)	(THIS);

    /************************************************************************
     *	Method:
     *	    IHXPacketHookManager::StopHook
     *	Purpose:
     *	    called by the top level client to stop recording
     */
    STDMETHOD(StopHook)		(THIS);
};

class PacketHookHelperResponse : public IHXPacketHookHelperResponse
{
protected:

    virtual ~PacketHookHelperResponse();

    PRIVATE_DESTRUCTORS_ARE_NOT_A_CRIME

    LONG32		    m_lRefCount;

    ULONG32		    m_ulStreamID;
    PacketHookManager*	    m_pPacketHookManager;

public:

    PacketHookHelperResponse(PacketHookManager* pPacketHookManager,
			    ULONG32		    ulStreamID);

    /*
     *	IUnknown methods
     */
    STDMETHOD(QueryInterface)	(THIS_
				REFIID riid,
				void** ppvObj);

    STDMETHOD_(ULONG32,AddRef)	(THIS);

    STDMETHOD_(ULONG32,Release)	(THIS);

    /*
     * IHXPacketHookHelperResponse methods
     */

    /************************************************************************
     *	Method:
     *	    IHXPacketHookHelperResponse::OnPacket
     *	Purpose:
     *	    called by the renderer to pass the packet for recording
     */
    STDMETHOD(OnPacket)		(THIS_
				IHXPacket* pPacket);

    /************************************************************************
     *	Method:
     *	    IHXPacketHookManager::OnEndOfPackets
     *	Purpose:
     *	    called by the renderer to notify the end of this stream
     */
    STDMETHOD(OnEndOfPackets)	(THIS);
};

#endif // _CHXPHOOK_H_