/*
 * call-seq:
 *   new( stream, x=0, y=0, w=stream.video_width, h=stream.video_height ) -> object
 *
 * Creates an osd drawable to draw into. If only 
 * particular optional parameters should be given, use a hash 
 * (e.g. "w" => 640, "h" => 480). By default, the new osd
 * starts at 0,0 and has the size of the video.
 */

static VALUE osd_new(int argc, VALUE *argv, VALUE class) {