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matroskaenc: Fix hypothetical integer overflows

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Fixes CID700562-7
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-10-20 18:47:44 +02:00
parent b1f517f503
commit dd84efe3c7
1 changed files with 2 additions and 2 deletions
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4
libavformat/matroskaenc.c
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@ -1015,8 +1015,8 @@ static int ass_get_duration(const uint8_t *p)
if (sscanf(p, "%*[^,],%d:%d:%d%*c%d,%d:%d:%d%*c%d",
&sh, &sm, &ss, &sc, &eh, &em, &es, &ec) != 8)
return 0;
start = 3600000*sh + 60000*sm + 1000*ss + 10*sc;
end = 3600000*eh + 60000*em + 1000*es + 10*ec;
start = 3600000LL*sh + 60000LL*sm + 1000LL*ss + 10LL*sc;
end = 3600000LL*eh + 60000LL*em + 1000LL*es + 10LL*ec;
return end - start;
}