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

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michael at niedermayer.cc> | Sun Dec 13 02:28:13 2015 +0100| [c62d1780fff8a1997dd1707bbc557efc8fe41e3c] | 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>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=c62d1780fff8a1997dd1707bbc557efc8fe41e3c
---

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

diff --git a/libavformat/hlsenc.c b/libavformat/hlsenc.c
index 3181cc7..adcf7df 100644
--- a/libavformat/hlsenc.c
+++ b/libavformat/hlsenc.c
@@ -571,8 +571,11 @@ static int hls_start(AVFormatContext *s)
         av_opt_set(oc->priv_data, "pat_period", period, 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;
 fail: