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

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>
This commit is contained in:
Dale Curtis 2023-11-22 22:17:37 +00:00 committed by Michael Niedermayer
parent db7b838237
commit 2182173a69
No known key found for this signature in database
GPG Key ID: B18E8928B3948D64

View File

@ -9006,7 +9006,7 @@ 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 &&