st->codec->width = avio_rb16(pb);
st->codec->height = avio_rb16(pb);
film->leading = avio_rb16(pb);
+
+ if (st->codec->width * 4LL * st->codec->height >= INT_MAX) {
+ av_log(s, AV_LOG_ERROR, "dimensions too large\n");
+ return AVERROR_PATCHWELCOME;
+ }
+
avpriv_set_pts_info(st, 64, 1, avio_rb16(pb));
avio_seek(pb, 0, SEEK_SET);
if (avio_feof(s->pb))
return AVERROR(EIO);
- pkt->dts = avio_tell(s->pb) / (st->codec->width * (st->codec->height + film->leading) * 4);
+ pkt->dts = avio_tell(s->pb) / (st->codec->width * (int64_t)(st->codec->height + film->leading) * 4);
pkt->size = av_get_packet(s->pb, pkt, st->codec->width * st->codec->height * 4);
- avio_skip(s->pb, st->codec->width * film->leading * 4);
+ avio_skip(s->pb, st->codec->width * (int64_t) film->leading * 4);
if (pkt->size < 0)
return pkt->size;
pkt->flags |= AV_PKT_FLAG_KEY;