virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2025-08-15 14:13:16 +02:00
Code Issues Releases Activity

av_d2q: Fix infinity check

Browse Source 
The old check would fail on huge but not infinite values
and the later code could then fail to handle them correctly in
some cases.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer
2013-05-25 15:22:19 +02:00
parent 8caf2da320
commit de7d290631
1 changed files with 1 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
libavutil/rational.c
View File

@@ -110,7 +110,7 @@ AVRational av_d2q(double d, int max)
int64_t den;
if (isnan(d))
return (AVRational) { 0,0 };
if (isinf(d))
if (fabs(d) > INT_MAX + 3LL)
return (AVRational) { d < 0 ? -1 : 1, 0 };
exponent = FFMAX( (int)(log(fabs(d) + 1e-20)/LOG2), 0);
den = 1LL << (61 - exponent);