gst-libs/gst/interfaces/propertyprobe.h: Remove double "interface" from doc-string.

Original commit message from CVS:
* gst-libs/gst/interfaces/propertyprobe.h:
Remove double "interface" from doc-string.
* gst-libs/gst/interfaces/xoverlay.h:
Document interface.
* gst-libs/gst/riff/riff.c:
Add basic doc blobs.

ChangeLog

@@ -1,3 +1,14 @@
+2008-08-12  Stefan Kost  <ensonic@users.sf.net>
+
+	* gst-libs/gst/interfaces/propertyprobe.h:
+	  Remove double "interface" from doc-string.
+
+	* gst-libs/gst/interfaces/xoverlay.h:
+	  Document interface.
+
+	* gst-libs/gst/riff/riff.c:
+	  Add basic doc blobs.
+
 2008-08-11  Stefan Kost  <ensonic@users.sf.net>
 
 	* gst-libs/gst/audio/Makefile.am:

gst-libs/gst/interfaces/propertyprobe.h

@@ -52,7 +52,7 @@ typedef struct _GstPropertyProbeInterface GstPropertyProbeInterface;
  * @probe_property: virtual method to probe a property
  * @get_values: virtual method to get probe results for a property
  *
- * #GstPropertyProbeInterface interface.
+ * #GstPropertyProbe interface.
  */
 struct _GstPropertyProbeInterface {
   GTypeInterface klass;

gst-libs/gst/interfaces/xoverlay.h

@@ -41,8 +41,22 @@ G_BEGIN_DECLS
 #define GST_X_OVERLAY_GET_CLASS(inst) \
   (G_TYPE_INSTANCE_GET_INTERFACE ((inst), GST_TYPE_X_OVERLAY, GstXOverlayClass))
 
+/**
+ * GstXOverlay:
+ *
+ * Opaque #GstXOverlay data structure.
+ */
 typedef struct _GstXOverlay GstXOverlay;
 
+/**
+ * GstXOverlayClass:
+ * @klass: parent interface type.
+ * @set_xwindow_id: virtual method to configure the XWindow id
+ * @expose: virtual method to handle expose events
+ * @handle_events: virtual method to handle events
+ *
+ * #GstXOverlay interface
+ */
 typedef struct _GstXOverlayClass {
   GTypeInterface klass;
 

gst-libs/gst/riff/riff.c

@@ -1,7 +1,7 @@
 /* GStreamer RIFF I/O
  * Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
  *
- * riff.c: plugin registering
+ * riff.c: library initialisation
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ -18,6 +18,13 @@
  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  * Boston, MA 02111-1307, USA.
  */
+/**
+ * SECTION:gstriff
+ * @short_description: Riff fileformat utillity functions.
+ *
+ * A collection of functions to handle riff base files, such as avi, wav and
+ * asf.
+ */
 
 #ifdef HAVE_CONFIG_H
 #include "config.h"
@@ -27,6 +34,11 @@
 
 GST_DEBUG_CATEGORY (riff_debug);
 
+/**
+ * gst_riff_init:
+ *
+ * Initialize riff library.
+ */
 void
 gst_riff_init (void)
 {