Add a filter to overlay one video on top of another, picture-in-picture style.

Commited in SoC by Bobby Bingham on 2007-08-13 16:53:19

Originally committed as revision 12003 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavfilter/avfilter.c

@@ -220,6 +220,7 @@ void avfilter_init(void)
     avfilter_register(&vf_crop);
     avfilter_register(&vf_fps);
     avfilter_register(&vf_graph);
+    avfilter_register(&vf_overlay);
     avfilter_register(&vf_passthrough);
     avfilter_register(&vf_rgb2bgr);
     avfilter_register(&vf_slicify);