For RTCPMUX streams we need to filter out RTCP packets selectively from the stream. Original implementation just stops processing packets in JitterBuffer when the first RTCP packet is received in RTCPMUX stream

daemon/jitter_buffer.c

@@ -4,6 +4,7 @@
 #include "call.h"
 #include "codec.h"
 #include "main.h"
+#include "rtcplib.h"
 #include <math.h>
 #include <errno.h>
 
@@ -233,7 +234,7 @@ int buffer_packet(struct media_packet *mp, const str *s) {
 	rwlock_lock_r(&call->master_lock);
 
 	struct jitter_buffer *jb = mp->stream->jb;
-	if (!jb || jb->disabled)
+	if (!jb || jb->disabled || !PS_ISSET(mp->sfd->stream, RTP))
 		goto end;
 
 	if(jb->initial_pkts < INITIAL_PACKETS) { //Ignore initial Payload Type 126 if any
@@ -245,10 +246,10 @@ int buffer_packet(struct media_packet *mp, const str *s) {
 	if (!p)
 		goto end;
 
-	if ((p->mp.rtp->m_pt & 0x7f) >=72 && (p->mp.rtp->m_pt & 0x7f) <= 76){
-        	ilog(LOG_DEBUG, "Discard from JB. This is RTCP packet. SSRC %u Payload %d", ntohl(p->mp.rtp->ssrc), (p->mp.rtp->m_pt & 0x7f));
-        	goto end;
-    	}
+        if (PS_ISSET(mp->sfd->stream, RTCP) && rtcp_demux_is_rtcp((void *) &p->mp.raw)){
+            ilog(LOG_DEBUG, "Discarding from JB. This is RTCP packet. SSRC %u Payload %d", ntohl(p->mp.rtp->ssrc), (p->mp.rtp->m_pt & 0x7f));
+            goto end;
+        }
 	
 	ilog(LOG_DEBUG, "Handling JB packet on: %s:%d (RTP SSRC %u Payload: %d)", sockaddr_print_buf(&mp->stream->endpoint.address),
             mp->stream->endpoint.port, ntohl(p->mp.rtp->ssrc), (p->mp.rtp->m_pt & 0x7f));