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-rw-r--r--libavformat/mov.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/libavformat/mov.c b/libavformat/mov.c
index 66c1886112..785d284b86 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -805,7 +805,8 @@ static int mov_read_mvhd(MOVContext *c, AVIOContext *pb, MOVAtom atom)
c->duration = (version == 1) ? avio_rb64(pb) : avio_rb32(pb); /* duration */
// set the AVCodecContext duration because the duration of individual tracks
// may be inaccurate
- c->fc->duration = av_rescale(c->duration, AV_TIME_BASE, c->time_scale);
+ if (c->time_scale > 0)
+ c->fc->duration = av_rescale(c->duration, AV_TIME_BASE, c->time_scale);
avio_rb32(pb); /* preferred scale */
avio_rb16(pb); /* preferred volume */