Commit 62b9fc15 authored by Michael Niedermayer's avatar Michael Niedermayer
Browse files

fix overflow and remove wrong comment

Originally committed as revision 7187 to svn://svn.ffmpeg.org/ffmpeg/trunk
parent 3db1b8b5
......@@ -46,7 +46,7 @@ int av_reduce(int *dst_nom, int *dst_den, int64_t nom, int64_t den, int64_t max)
}
while(den){
int64_t x = nom / den;
uint64_t x = nom / den;
int64_t next_den= nom - den*x;
int64_t a2n= x*a1.num + a0.num;
int64_t a2d= x*a1.den + a0.den;
......@@ -55,7 +55,6 @@ int av_reduce(int *dst_nom, int *dst_den, int64_t nom, int64_t den, int64_t max)
if(a1.num) x= (max - a0.num) / a1.num;
if(a1.den) x= FFMIN(x, (max - a0.den) / a1.den);
// Won't overflow, sum == original denominator
if (den*(2*x*a1.den + a0.den) > nom*a1.den)
a1 = (AVRational){x*a1.num + a0.num, x*a1.den + a0.den};
break;
......
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment