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-rw-r--r--libavformat/movenc.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/libavformat/movenc.c b/libavformat/movenc.c
index dc13a4be0e..cebdca9860 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);
}