hust_rtpcheckcollision.c

来自「实现基于ip2022的MPEG2 TS的IP组播接收」· C语言 代码 · 共 29 行

/*-------------------------------------------------------------------------
 * rtpcheckcollision.c - rtpcheckcollision
 *-------------------------------------------------------------------------
 */


#include "hust_rtp.h"
#include "hust_rtcp.h"
#include "hust_event.h"
///#include "hust_rtplibcommon.h"

/*------------------------------------------------------------------------
 * rtpcheckcollision - check for and resolve SSRC collision
 *------------------------------------------------------------------------
 */
int
rtpcheckcollision(struct session *psn, ssrc_t ssrc)
{

	if(psn->sn_ssrc == ssrc) {
///		rtcpsendbye(psn, "SSRC COLLISSION");
		psn->sn_ssrc = rtpmkssrc(psn);
		rtppostevent(psn, EVENT_COLLISION, ssrc, NULL, 0);
		return TRUE;
	}
	return FALSE;
}
////如果发生碰撞，就改变自己的源标识符，并发出event通知所有的参与者