Fix RFC3389 Comfort noise packet timestamps

src/otherfilters/msrtp.c

@@ -358,7 +358,7 @@ static void check_stun_sending(MSFilter *f) {
 	}
 }
 
-static void process_cn(MSFilter *f, SenderData *d){
+static void process_cn(MSFilter *f, SenderData *d, uint32_t timestamp){
 	if (d->cng_data.datasize>0){
 		rtp_header_t *rtp;
 		/* get CN payload type number */
@@ -370,7 +370,7 @@ static void process_cn(MSFilter *f, SenderData *d){
 		rtp=(rtp_header_t*)m->b_rptr;
 		rtp->paytype = cn_pt;
 
-		rtp_session_sendm_with_ts(d->session,m,d->last_ts);
+		rtp_session_sendm_with_ts(d->session,m,timestamp);
 		d->cng_data.datasize=0;
 	}
 }
@@ -418,7 +418,7 @@ static void _sender_process(MSFilter * f)
 				rtp_session_sendm_with_ts(s, header, timestamp);
 			} else if (d->mute==TRUE && d->skip == FALSE) {
 				freemsg(im);
-				process_cn(f, d);
+				process_cn(f, d, timestamp);
 
 				//Send STUN packet as RTP keep alive
 				check_stun_sending(f);