Add a vertical flip filter

Commited in SoC by Bobby Bingham on 2007-08-08 17:22:54

Originally committed as revision 12000 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavfilter/avfilter.c

@@ -221,6 +221,7 @@ void avfilter_init(void)
     avfilter_register(&vf_passthrough);
     avfilter_register(&vf_rgb2bgr);
     avfilter_register(&vf_slicify);
+    avfilter_register(&vf_vflip);
     avfilter_register(&vo_sdl);
 }