tick2msec.c

linux下的rtp的实例源代码

/* * 
 *  $Id: tick2msec.c 298 2006-02-28 08:58:07Z shawill $
 *  
 *  This file is part of Fenice
 *
 *  Fenice -- Open Media Server
 *
 *  Copyright (C) 2004 by
 *  	
 *	- Giampaolo Mancini	<[e-mail]>
 *	- Francesco Varano	<[e-mail]>
 *	- Marco Penno		<[e-mail]>
 *	- Federico Ridolfo	<[e-mail]>
 *	- Eugenio Menegatti 	<[e-mail]>
 *	- Stefano Cau
 *	- Giuliano Emma
 *	- Stefano Oldrini
 * 
 *  Fenice is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  Fenice is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with Fenice; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *  
 * */

#include <fenice/utils.h>
#include <fenice/mediainfo.h>

inline double tick2msec(unsigned long rtp_time,media_entry *me)
{
	return (me->description.flags & MED_CLOCK_RATE) ? rtp_time * 1000 /me->description.clock_rate : ERR_GENERIC;
	/*
	if (me->description.flags & MED_CLOCK_RATE)
		return rtp_time * 1000 /me->description.clock_rate;
	else
		return ERR_GENERIC;
	*/
}