callback.h

来自「著名的 helix realplayer 基于手机 symbian 系统的 播放」· C头文件 代码 · 共 87 行

/* ***** BEGIN LICENSE BLOCK ***** 
 * Version: RCSL 1.0/RPSL 1.0 
 *  
 * Portions Copyright (c) 1995-2002 RealNetworks, Inc. All Rights Reserved. 
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 * The contents of this file, and the files included with this file, are 
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 * Version 1.0 (the "RPSL") available at 
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 * 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 
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 * applicable to this file, the RCSL.  Please see the applicable RPSL or 
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 * 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. 
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 * ***** END LICENSE BLOCK ***** */ 

#ifdef __MWERKS__
#pragma once
#endif

#ifndef _callback
#define	_callback

typedef enum hx_callback
{
	HX_GENERIC_CALLBACK = 0,
	HX_AUDIO_CALLBACK,
	HX_TCP_CALLBACK,
	HX_UDP_CALLBACK,
	HX_SYNC_CALLBACK,
	HX_VIDEO_ONLY_CALLBACK,
	HX_TIMER_CALLBACK,
	HX_VIDEO_FILE_CALLBACK,
	HX_PRE_ENCODE_CALLBACK,
	HX_POST_ENCODE_CALLBACK,
	HX_STATUS_TEXT_CALLBACK,
	HX_SOURCE_CLOSED_CALLBACK,
	HX_WRITE_PACKET_CALLBACK,
	HX_AUDIO_PEAK_CALLBACK,
	HX_VIDEO_CALLBACK,
	HX_AUDIO_ONLY_CALLBACK,
	HX_AUDIO_FILE_CALLBACK,
	HX_AUDIOLEVEL_CHANGED, // for audio level sink	
	HX_ERROR_OCCURRED, // for error sink	
	HX_STREAM_STATS_CHANGED, // for stats sink
	HX_AUDIOSTREAM_STATS_CHANGED, // for stats sink
	HX_VIDEOSTREAM_STATS_CHANGED, // for stats sink
	HX_AUDIO_STATS_CHANGED, // for stats sink
	HX_VIDEO_STATS_CHANGED, // for stats sink
	HX_AUDIO_MULTIPLE_CALLBACK,//HX_AUDIO_ONLY_CALLBACK for live multi (=a/v) sources 
	HX_VIDEO_MULTIPLE_CALLBACK //HX_VIDEO_ONLY_CALLBACK for live multi source 

} HX_CALLBACK;

class callback 
{
public:

/* 	class destructor */	
						callback		(void) {;};
	virtual				~callback		(void) {;};

	virtual void		callback_task( HX_CALLBACK message = HX_GENERIC_CALLBACK, void* params = 0 ) {}
};

#endif // _callback