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filmstripdec: avoid integer overflow 

CC: libav-stable@libav.org
Bug-Id: CID 732246
This commit is contained in:
Vittorio Giovara 2014-10-24 13:15:39 +01:00
parent 090c67d586
commit b46b233baf
1 changed files with 1 additions and 1 deletions
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2
libavformat/filmstripdec.c
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@ -84,7 +84,7 @@ static int read_packet(AVFormatContext *s,
return AVERROR(EIO); 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 * (st->codec->height + film->leading) * 4);
pkt->size = av_get_packet(s->pb, pkt, st->codec->width * st->codec->height * 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) if (pkt->size < 0)
return pkt->size; return pkt->size;
pkt->flags |= AV_PKT_FLAG_KEY; pkt->flags |= AV_PKT_FLAG_KEY;