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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 7b21423afa..75dec37872 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -2713,7 +2713,7 @@ static int mov_read_packet(AVFormatContext *s, AVPacket *pkt)
pkt->stream_index = sc->ffindex;
pkt->dts = sample->timestamp;
- if (sc->ctts_data) {
+ if (sc->ctts_data && sc->ctts_index < sc->ctts_count) {
pkt->pts = pkt->dts + sc->dts_shift + sc->ctts_data[sc->ctts_index].duration;
/* update ctts context */
sc->ctts_sample++;