[FFmpeg-cvslog] avformat/hlsenc: Check the return code of avformat_write_header()

[Michael Niedermayer]

ffmpeg | branch: release/2.8 | Michael Niedermayer <michael at niedermayer.cc> | Sun Dec 13 02:28:13 2015 +0100| [d07f6582018d3388716340b08f1b1461c2f05bda] | committer: Michael Niedermayer

avformat/hlsenc: Check the return code of avformat_write_header()

Fixes: segfault
Fixes: Ticket5067

Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
(cherry picked from commit c62d1780fff8a1997dd1707bbc557efc8fe41e3c)

Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=d07f6582018d3388716340b08f1b1461c2f05bda
---

 libavformat/hlsenc.c |    7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/libavformat/hlsenc.c b/libavformat/hlsenc.c
index 6827b79..ebc5e11 100644
--- a/libavformat/hlsenc.c
+++ b/libavformat/hlsenc.c
@@ -548,8 +548,11 @@ static int hls_start(AVFormatContext *s)
     if (oc->oformat->priv_class && oc->priv_data)
         av_opt_set(oc->priv_data, "mpegts_flags", "resend_headers", 0);
 
-    if (c->vtt_basename)
-        avformat_write_header(vtt_oc,NULL);
+    if (c->vtt_basename) {
+        err = avformat_write_header(vtt_oc,NULL);
+        if (err < 0)
+            return err;
+    }
 
     return 0;
 }