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nut: fix int32 overflow 

Fixes CID700574
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-10-16 19:59:01 +02:00
parent 340305646a
commit de6c150444
1 changed files with 1 additions and 1 deletions
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libavformat/nut.c
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@ -155,7 +155,7 @@ void ff_nut_reset_ts(NUTContext *nut, AVRational time_base, int64_t val){
}
int64_t ff_lsb2full(StreamContext *stream, int64_t lsb){
int64_t mask = (1<<stream->msb_pts_shift)-1;
int64_t mask = (1ULL<<stream->msb_pts_shift)-1;
int64_t delta= stream->last_pts - mask/2;
return ((lsb - delta)&mask) + delta;
}