From c2b93e74b76bc9b697c1c04c558ad98060e2647a Mon Sep 17 00:00:00 2001
From: Richard Fuchs <rfuchs@sipwise.com>
Date: Mon, 9 Aug 2021 09:33:16 -0400
Subject: [PATCH] TT#89352 ignore format of codecs we don't know

Change-Id: I0731c6c4697f322a9cdea8d2adade50cde9fe446
---
 lib/rtplib.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/rtplib.c b/lib/rtplib.c
index 4c90b4ae9..083c8331f 100644
--- a/lib/rtplib.c
+++ b/lib/rtplib.c
@@ -149,6 +149,8 @@ int rtp_payload_type_cmp(const struct rtp_payload_type *a, const struct rtp_payl
 		if (a->codec_def->format_cmp)
 			return a->codec_def->format_cmp(a, b);
 	}
+	if (!a->codec_def) // ignore format of codecs we don't know
+		return 0;
 	if (str_cmp_str(&a->format_parameters, &b->format_parameters))
 		return 1;
 	return 0;