[FFmpeg-soc] [soc]: r4407 - libavfilter/vf_scale.c

[stefano]

Author: stefano
Date: Thu Jun 11 00:17:37 2009
New Revision: 4407

Log:
Prevent division by zero when gcd in start_frame() is 0.

Modified:
   libavfilter/vf_scale.c

Modified: libavfilter/vf_scale.c
==============================================================================
--- libavfilter/vf_scale.c	Wed Jun 10 20:39:40 2009	(r4406)
+++ libavfilter/vf_scale.c	Thu Jun 11 00:17:37 2009	(r4407)
@@ -137,8 +137,10 @@ static void start_frame(AVFilterLink *li
     out->outpic->pixel_aspect.den = picref->pixel_aspect.den * out->w * link->h;
 
     gcd = av_gcd(out->outpic->pixel_aspect.num, out->outpic->pixel_aspect.den);
+    if (gcd > 1) {
     out->outpic->pixel_aspect.num /= gcd;
     out->outpic->pixel_aspect.den /= gcd;
+    }
 
     avfilter_start_frame(out, avfilter_ref_pic(out->outpic, ~0));