From 5da8c8d5de75f1adc85faa26be9f627e3194bf14 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Robin=20Lind=C3=A9n?= <dev@robinlinden.eu>
Date: Mon, 5 Mar 2018 22:51:06 +0100
Subject: [PATCH] Don't throw away rtp packets from old Toxcore

---
 toxav/rtp.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/toxav/rtp.c b/toxav/rtp.c
index 575b1502..72b59354 100644
--- a/toxav/rtp.c
+++ b/toxav/rtp.c
@@ -467,7 +467,8 @@ static int handle_rtp_packet(Messenger *m, uint32_t friendnumber, const uint8_t
         return -1;
     }
 
-    if (header.offset_full >= header.data_length_full) {
+    if (header.offset_full >= header.data_length_full
+            && (header.offset_full != 0 || header.data_length_full != 0)) {
         LOGGER_ERROR(m->log, "Invalid video packet: frame offset (%u) >= full frame length (%u)",
                      (unsigned)header.offset_full, (unsigned)header.data_length_full);
         return -1;