diff --git a/libavutil/rational.c b/libavutil/rational.c index 7abf54cd0b..aabe58f684 100644 --- a/libavutil/rational.c +++ b/libavutil/rational.c @@ -115,6 +115,8 @@ AVRational av_d2q(double d, int max) exponent = FFMAX( (int)(log(fabs(d) + 1e-20)/LOG2), 0); den = 1LL << (61 - exponent); av_reduce(&a.num, &a.den, rint(d * den), den, max); + if ((!a.num || !a.den) && d && max>0 && max 23/100 OK '-.23' -> -23/100 ERROR '-0.234' -> -117/500 ERROR -'-0.0000001' -> 0/1 ERROR +'-0.0000001' -> -1/10000000 ERROR ' 21332.2324 ' -> 917286/43 OK ' -21332.2324 ' -> -917286/43 ERROR