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av_d2q: fix rounding for negative values 

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-05-25 15:38:07 +02:00
parent de7d290631
commit 64eacb839e
1 changed files with 1 additions and 1 deletions
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2
libavutil/rational.c
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@ -114,7 +114,7 @@ AVRational av_d2q(double d, int max)
return (AVRational) { d < 0 ? -1 : 1, 0 };
exponent = FFMAX( (int)(log(fabs(d) + 1e-20)/LOG2), 0);
den = 1LL << (61 - exponent);
av_reduce(&a.num, &a.den, (int64_t)(d * den + 0.5), den, max);
av_reduce(&a.num, &a.den, llrint(d * den), den, max);
return a;
}