rtp: add RE_RTP_PCAP debug helpers

src/rtp/rtp.c

@@ -17,7 +17,6 @@
 #include <re_atomic.h>
 #include "rtcp.h"
 
-
 #define DEBUG_MODULE "rtp"
 #define DEBUG_LEVEL 5
 #include <re_dbg.h>
@@ -167,6 +166,12 @@ static void rtcp_recv_handler(const struct sa *src, struct mbuf *mb, void *arg)
 	struct rtp_sock *rs = arg;
 	struct rtcp_msg *msg;
 
+#ifdef RE_RTP_PCAP
+	char tid[32];
+	re_snprintf(tid, sizeof(tid), "RTCP ssrc=%u", rs->enc.ssrc);
+	re_text2pcap_trace("RTCP", true, mb);
+#endif
+
 	while (0 == rtcp_decode(&msg, mb)) {
 
 		/* handle internally first */
@@ -202,6 +207,12 @@ static void udp_recv_handler(const struct sa *src, struct mbuf *mb, void *arg)
 		}
 	}
 
+#ifdef RE_RTP_PCAP
+	char tid[32];
+	re_snprintf(tid, sizeof(tid), "RTP ssrc=%u", rs->enc.ssrc);
+	re_text2pcap_trace(tid, true, mb);
+#endif
+
 	err = rtp_decode(rs, mb, &hdr);
 	if (err)
 		return;