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-rw-r--r--libavformat/movenc.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/libavformat/movenc.c b/libavformat/movenc.c
index 20768cd45f..2006fcee4b 100644
--- a/libavformat/movenc.c
+++ b/libavformat/movenc.c
@@ -6254,6 +6254,9 @@ static void mov_free(AVFormatContext *s)
MOVMuxContext *mov = s->priv_data;
int i;
+ if (!mov->tracks)
+ return;
+
if (mov->chapter_track) {
if (mov->tracks[mov->chapter_track].par)
av_freep(&mov->tracks[mov->chapter_track].par->extradata);