Richard John Boulton richard-gst@tartarus.org Erik Walthinsen omega@temple-baptist.com Steve Baker stevebaker_org@yahoo.co.uk Leif Johnson leif@ambient.2y.net This material may be distributed only subject to the terms and conditions set forth in the Open Publication License, v1.0 or later (the latest version is presently available at http://www.opencontent.org/openpub/). &GStreamer; Plugin Writer's Guide