X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavutil%2Frational.c;h=cab443818a66c8b43a89cae244dd87b09fbe9c74;hb=33aa8a62219d07f77f11f38dd71c5999e0f8e242;hp=6b3f50a02a4b498b53043ef0b39eded0f5b33a9f;hpb=bb8cc89b2986df6f60831b67cd250da312cce1d0;p=ffmpeg

diff --git a/libavutil/rational.c b/libavutil/rational.c
index 6b3f50a02a4..cab443818a6 100644
--- a/libavutil/rational.c
+++ b/libavutil/rational.c
@@ -115,7 +115,8 @@ AVRational av_d2q(double d, int max)
     frexp(d, &exponent);
     exponent = FFMAX(exponent-1, 0);
     den = 1LL << (61 - exponent);
-    // (int64_t)rint() and llrint() do not work with gcc on ia64 and sparc64
+    // (int64_t)rint() and llrint() do not work with gcc on ia64 and sparc64,
+    // see Ticket2713 for affected gcc/glibc versions
     av_reduce(&a.num, &a.den, floor(d * den + 0.5), den, max);
     if ((!a.num || !a.den) && d && max>0 && max<INT_MAX)
         av_reduce(&a.num, &a.den, floor(d * den + 0.5), den, INT_MAX);