[SCM] libav/experimental: fixing aspect (hopefully, i couldnt reproduce the bug)

[siretart at users.alioth.debian.org]

The following commit has been merged in the experimental branch:
commit 706fc4dea67a0d54eb26ce5024b603cf9bf5afa1
Author: Michael Niedermayer <michaelni at gmx.at>
Date:   Fri Dec 6 15:01:48 2002 +0000

    fixing aspect (hopefully, i couldnt reproduce the bug)
    
    Originally committed as revision 1317 to svn://svn.ffmpeg.org/ffmpeg/trunk

diff --git a/libavcodec/mjpeg.c b/libavcodec/mjpeg.c
index eed155c..2e6dd8f 100644
--- a/libavcodec/mjpeg.c
+++ b/libavcodec/mjpeg.c
@@ -1184,7 +1184,10 @@ static int mjpeg_decode_app(MJpegDecodeContext *s)
 	    int y_density = get_bits(&s->gb, 16);
 
             //MN: needs to be checked
-            s->avctx->aspect_ratio= s->width*y_density/((float)s->height*x_density);
+            if(x_density)
+                s->avctx->aspect_ratio= s->width*y_density/((float)s->height*x_density);
+            else
+                s->avctx->aspect_ratio= 0.0;
 	}
 	else
 	{

-- 
Libav/FFmpeg packaging