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compute_pkt_fields: fix harmless integer overflow

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-09-10 16:15:07 +02:00
parent 616ef2e8bd
commit b422e2c58a
1 changed files with 1 additions and 1 deletions
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libavformat/utils.c
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@ -1026,7 +1026,7 @@ static void compute_pkt_fields(AVFormatContext *s, AVStream *st,
pc && pc->pict_type != AV_PICTURE_TYPE_B) pc && pc->pict_type != AV_PICTURE_TYPE_B)
presentation_delayed = 1; presentation_delayed = 1;
if(pkt->pts != AV_NOPTS_VALUE && pkt->dts != AV_NOPTS_VALUE && pkt->dts - (1LL<<(st->pts_wrap_bits-1)) > pkt->pts && st->pts_wrap_bits<63){ if(pkt->pts != AV_NOPTS_VALUE && pkt->dts != AV_NOPTS_VALUE && st->pts_wrap_bits<63 && pkt->dts - (1LL<<(st->pts_wrap_bits-1)) > pkt->pts){
if(is_relative(st->cur_dts) || pkt->dts - (1LL<<(st->pts_wrap_bits-1)) > st->cur_dts) { if(is_relative(st->cur_dts) || pkt->dts - (1LL<<(st->pts_wrap_bits-1)) > st->cur_dts) {
pkt->dts -= 1LL<<st->pts_wrap_bits; pkt->dts -= 1LL<<st->pts_wrap_bits;
} else } else