[FFmpeg-cvslog] r23283 - in branches/0.6: . libavutil/rational.c
diego
subversion
Mon May 24 04:27:43 CEST 2010
Author: diego
Date: Mon May 24 04:27:43 2010
New Revision: 23283
Log:
Convert NaN to 0/0 in av_d2q
This fixes aspect ratio calculation for encoding from files with 0/0 stored,
common with ogg/theora
backport r23280 by conrad
Modified:
branches/0.6/ (props changed)
branches/0.6/libavutil/rational.c
Modified: branches/0.6/libavutil/rational.c
==============================================================================
--- branches/0.6/libavutil/rational.c Mon May 24 04:09:36 2010 (r23282)
+++ branches/0.6/libavutil/rational.c Mon May 24 04:27:43 2010 (r23283)
@@ -98,6 +98,8 @@ AVRational av_d2q(double d, int max){
#define LOG2 0.69314718055994530941723212145817656807550013436025
int exponent= FFMAX( (int)(log(fabs(d) + 1e-20)/LOG2), 0);
int64_t den= 1LL << (61 - exponent);
+ if (isnan(d))
+ return (AVRational){0,0};
av_reduce(&a.num, &a.den, (int64_t)(d * den + 0.5), den, max);
return a;
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