docs: remove reference to OGI and rephrase sections docs

The OGI links are dead, so remove them. Also remove the paragraph that pointed
to OGI and DS. Only mentioning DS there made it a but pointless. Add a generic
paragraph instead that tells a bit about the usecases gstreamer covers.

diff --git a/gst/gst.c b/gst/gst.c
index b0433f1..a2eb80e 100644 (file)
--- a/gst/gst.c
+++ b/gst/gst.c
@@ -24,8 +24,6 @@
  * SECTION:gst
  * @short_description: Media library supporting arbitrary formats and filter
  *                     graphs.
- * @see_also: Check out both <ulink url="http://www.cse.ogi.edu/sysl/">OGI's
- *            pipeline</ulink> and Microsoft's DirectShow for some background.
  *
  * GStreamer is a framework for constructing graphs of various filters
  * (termed elements here) that will handle streaming media.  Any discreet
@@ -34,11 +32,8 @@
  * a powerful negotiation framework.  Plugins are heavily used to provide for
  * all elements, allowing one to construct plugins outside of the GST
  * library, even released binary-only if license require (please don't).
- *
- * GStreamer borrows heavily from both the <ulink
- * url="http://www.cse.ogi.edu/sysl/">OGI media pipeline</ulink> and
- * Microsoft's DirectShow, hopefully taking the best of both and leaving the
- * cruft behind. Its interface is slowly getting stable.
+ * GStreamer covers a wide range of use cases including: playback, recording,
+ * editing, serving streams, voice over ip and video calls.
  *
  * The <application>GStreamer</application> library should be initialized with
  * gst_init() before it can be used. You should pass pointers to the main argc