Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: [email protected]
---
 libavformat/mov.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/libavformat/mov.c b/libavformat/mov.c
index 7b21423..75dec37 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++;
-- 
1.7.7.3

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