schedule_start.c

linuxUNIX下跑的一套服务端程序

/* * 
 *  $Id: schedule_start.c 121 2005-04-11 14:17:18Z federico $
 *  
 *  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 <time.h>
#include <sys/time.h>

#include <fenice/types.h>
#include <fenice/utils.h>
#include <fenice/schedule.h>
#include <fenice/rtp.h>

extern schedule_list sched[ONE_FORK_MAX_CONNECTION];

int32 schedule_start(int id,play_args *args)
{
	struct timeval now;
	double mnow;	
	gettimeofday(&now,NULL);
	mnow=(double)now.tv_sec*1000+(double)now.tv_usec/1000;
	if ((sched[id].rtp_session->cons = OMSbuff_ref(sched[id].rtp_session->current_media->pkt_buffer)) == NULL)
			return ERR_ALLOC;

	if (sched[id].rtp_session->current_media->pkt_buffer->refs==1) {	
	/*If and only if this session is the first session related to this media_entry, then it runs here*/	
		if (!args->playback_time_valid) {	
			sched[id].rtp_session->current_media->mstart=mnow;
		}
		else {
			sched[id].rtp_session->current_media->mstart=mktime(&(args->playback_time));
		}
	
		sched[id].rtp_session->current_media->mtime = mnow /*- sched[id].rtp_session->current_media->description.pkt_len*/;
		sched[id].rtp_session->current_media->mstart_offset = args->start_time*1000;
		sched[id].rtp_session->current_media->play_offset=args->start_time*1000;/*TODO:chicco. For Random Access*/
		//sched[id].rtp_session->current_media->data_chunk = 0;
	}
	sched[id].rtp_session->mprev_tx_time = mnow /*- sched[id].rtp_session->current_media->description.pkt_len*/;
	sched[id].rtp_session->pause=0;
	sched[id].rtp_session->started=1;
	sched[id].rtp_session->MinimumReached=0;
	sched[id].rtp_session->MaximumReached=0;
	sched[id].rtp_session->PreviousCount=0;
	sched[id].rtp_session->rtcp_stats[i_client].RR_received=0;
	sched[id].rtp_session->rtcp_stats[i_client].SR_received=0;
	return ERR_NOERROR;
}