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avformat/mov: Fix integer overflow in mov_read_packet().

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Fixes https://crbug.com/1499669:
runtime error: signed integer overflow: 9223372036853334272 + 1375731456
cannot be represented in type 'int64_t' (aka 'long')

Signed-off-by: Dale Curtis <dalecurtis@chromium.org>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 2182173a6933c02b0853751034bd5e0bf829b5f7)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Dale Curtis 2023-11-22 22:17:37 +00:00 committed by Michael Niedermayer
parent 6ddd5111f4
commit 207e003758
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1 changed files with 1 additions and 1 deletions
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libavformat/mov.c
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@ -8057,7 +8057,7 @@ static int mov_read_packet(AVFormatContext *s, AVPacket *pkt)
pkt->flags |= AV_PKT_FLAG_DISCARD;
}
if (sc->ctts_data && sc->ctts_index < sc->ctts_count) {
pkt->pts = pkt->dts + sc->dts_shift + sc->ctts_data[sc->ctts_index].duration;
pkt->pts = av_sat_add64(pkt->dts, av_sat_add64(sc->dts_shift, sc->ctts_data[sc->ctts_index].duration));
/* update ctts context */
sc->ctts_sample++;
if (sc->ctts_index < sc->ctts_count &&