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-rw-r--r--libavformat/mov.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libavformat/mov.c b/libavformat/mov.c
index 1747bd41a2..2036f5134a 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -1605,7 +1605,7 @@ static void mov_build_index(MOVContext *mov, AVStream *st)
if (sc->time_offset < 0)
sc->time_offset = av_rescale(sc->time_offset, sc->time_scale, mov->time_scale);
current_dts = -sc->time_offset;
- if (sc->ctts_data && sc->stts_data &&
+ if (sc->ctts_data && sc->stts_data && sc->stts_data[0].duration &&
sc->ctts_data[0].duration / sc->stts_data[0].duration > 16) {
/* more than 16 frames delay, dts are likely wrong
this happens with files created by iMovie */