From f6161fccf8c5720ceac1ed1df8ba60ff8fed69f5 Mon Sep 17 00:00:00 2001
From: Tristan Matthews <tmatth@videolan.org>
Date: Wed, 29 Nov 2017 14:16:02 -0500
Subject: rtsp: only break on parse_rtsp_message on error

Fix suggested by Luca Barbato.

This was causing spurious EOFs when using -rtsp_transport udp, as
reported in https://bugzilla.libav.org/show_bug.cgi?id=1103

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
---
 libavformat/rtsp.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'libavformat/rtsp.c')

diff --git a/libavformat/rtsp.c b/libavformat/rtsp.c
index 17a25a310e..8bf9d9e3c7 100644
--- a/libavformat/rtsp.c
+++ b/libavformat/rtsp.c
@@ -1998,7 +1998,9 @@ static int udp_read_packet(AVFormatContext *s, RTSPStream **prtsp_st,
             }
 #if CONFIG_RTSP_DEMUXER
             if (rt->rtsp_hd && p[0].revents & POLLIN) {
-                return parse_rtsp_message(s);
+                if ((ret = parse_rtsp_message(s)) < 0) {
+                    return ret;
+                }
             }
 #endif
         } else if (n == 0 && ++timeout_cnt >= MAX_TIMEOUTS) {
-- 
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