rtp_recv.c

linux下的rtp的实例源代码

/* * 
 *  $Id: RTP_recv.c 348 2006-05-30 16:41:33Z 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/rtp.h>

#include <sys/types.h>
#include <sys/socket.h>

ssize_t RTP_recv(RTP_session *session, rtp_protos proto)
{
	switch (session->transport.type) {
		case RTP_rtp_avp: {
			socklen_t peer_len=sizeof(session->transport.u.udp.rtcp_in_peer);
			session->rtcp_insize = recvfrom(session->transport.rtcp_fd_in, session->rtcp_inbuffer, sizeof(session->rtcp_inbuffer), 0, \
				&(session->transport.u.udp.rtcp_in_peer), &peer_len);
			break;
		}
		case RTP_rtp_avp_tcp: // usually not used because we receive rtcp pkts through rtsp socket, 
							  // but implemented for completeness.
			session->rtcp_insize = recv(session->transport.rtcp_fd_in, session->rtcp_inbuffer, sizeof(session->rtcp_inbuffer), 0);
			break;
		default:
			break;
	}
	
	
	return session->rtcp_insize;
}