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

Signed-off-by: Martin Storsjö <martin@martin.st>
12 years ago · 3559fb97c4
parent 4d122b01e4
commit 3559fb97c4
1 changed files with 2 additions and 1 deletions
--- 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);
    }