overlaycomposition: Use G_DECLARE_FINAL_TYPE

diff --git a/gst/overlaycomposition/gstoverlaycomposition.h b/gst/overlaycomposition/gstoverlaycomposition.h
index 037c29b..6374a0c 100644 (file)
--- a/gst/overlaycomposition/gstoverlaycomposition.h
+++ b/gst/overlaycomposition/gstoverlaycomposition.h
@@ -25,19 +25,9 @@
 
 G_BEGIN_DECLS
 
-#define GST_TYPE_OVERLAY_COMPOSITION \
-  (gst_overlay_composition_get_type())
-#define GST_OVERLAY_COMPOSITION(obj) \
-  (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_OVERLAY_COMPOSITION,GstOverlayComposition))
-#define GST_OVERLAY_COMPOSITION_CLASS(klass) \
-  (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_OVERLAY_COMPOSITION,GstOverlayCompositionClass))
-#define GST_IS_OVERLAY_COMPOSITION(obj) \
-  (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_OVERLAY_COMPOSITION))
-#define GST_IS_OVERLAY_COMPOSITION_CLASS(klass) \
-  (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_OVERLAY_COMPOSITION))
-
-typedef struct _GstOverlayComposition GstOverlayComposition;
-typedef struct _GstOverlayCompositionClass GstOverlayCompositionClass;
+#define GST_TYPE_OVERLAY_COMPOSITION (gst_overlay_composition_get_type())
+G_DECLARE_FINAL_TYPE (GstOverlayComposition, gst_overlay_composition,
+    GST, OVERLAY_COMPOSITION, GstElement)
 
 struct _GstOverlayComposition {
   GstElement parent;
@@ -53,12 +43,6 @@ struct _GstOverlayComposition {
   gboolean attach_compo_to_buffer;
 };
 
-struct _GstOverlayCompositionClass {
-  GstElementClass parent_class;
-};
-
-GType gst_overlay_composition_get_type (void);
-
 G_END_DECLS
 
 #endif /* __GST_OVERLAY_COMPOSITION_H__ */