[FFmpeg-cvslog] movenc: Check that tracks->enc exists before trying to free extradata

[Martin Storsjö]

ffmpeg | branch: master | Martin Storsjö <martin at martin.st> | Mon Aug 26 10:56:17 2013 +0300| [3559fb97c459c88b4f1d0eef80d55933d3b7fabe] | committer: Martin Storsjö

movenc: Check that tracks->enc exists before trying to free extradata

Signed-off-by: Martin Storsjö <martin at martin.st>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=3559fb97c459c88b4f1d0eef80d55933d3b7fabe
---

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

diff --git a/libavformat/movenc.c b/libavformat/movenc.c
index dc13a4b..cebdca9 100644
--- a/libavformat/movenc.c
+++ b/libavformat/movenc.c
@@ -3470,7 +3470,8 @@ static int mov_write_trailer(AVFormatContext *s)
     }
 
     if (mov->chapter_track) {
-        av_free(mov->tracks[mov->chapter_track].enc->extradata);
+        if (mov->tracks[mov->chapter_track].enc)
+            av_free(mov->tracks[mov->chapter_track].enc->extradata);
         av_freep(&mov->tracks[mov->chapter_track].enc);
     }