fixing aspect (hopefully, i couldnt reproduce the bug)

Originally committed as revision 1317 to svn://svn.ffmpeg.org/ffmpeg/trunk
22 years ago · 706fc4dea6
parent 0d1e924668
commit 706fc4dea6
1 changed files with 4 additions and 1 deletions
--- 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
 	{