--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gstreamer_core/gst/gstpluginfeature.h	Thu Dec 17 08:53:32 2009 +0200
@@ -0,0 +1,186 @@
+/* GStreamer
+ * Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
+ *                    2000 Wim Taymans <wtay@chello.be>
+ *
+ * gstpluginfeature.h: Header for base GstPluginFeature
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+
+#ifndef __GST_PLUGIN_FEATURE_H__
+#define __GST_PLUGIN_FEATURE_H__
+
+#include <glib-object.h>
+#include <gst/gstobject.h>
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_PLUGIN_FEATURE 		(gst_plugin_feature_get_type())
+#define GST_PLUGIN_FEATURE(obj) 		(G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_PLUGIN_FEATURE, GstPluginFeature))
+#define GST_IS_PLUGIN_FEATURE(obj) 		(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_PLUGIN_FEATURE))
+#define GST_PLUGIN_FEATURE_CLASS(klass) 	(G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_PLUGIN_FEATURE, GstPluginFeatureClass))
+#define GST_IS_PLUGIN_FEATURE_CLASS(klass) 	(G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_PLUGIN_FEATURE))
+#define GST_PLUGIN_FEATURE_GET_CLASS(obj) 	(G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_PLUGIN_FEATURE, GstPluginFeatureClass))
+#define GST_PLUGIN_FEATURE_CAST(obj) 		((GstPluginFeature*)(obj))
+
+/**
+ * GST_PLUGIN_FEATURE_NAME:
+ * @feature: The feature to query
+ *
+ * Get the name of the feature
+ */
+#define GST_PLUGIN_FEATURE_NAME(feature)  (GST_PLUGIN_FEATURE (feature)->name)
+
+typedef struct _GstPluginFeature GstPluginFeature;
+typedef struct _GstPluginFeatureClass GstPluginFeatureClass;
+
+/**
+ * GstRank:
+ * @GST_RANK_NONE: will be chosen last or not at all
+ * @GST_RANK_MARGINAL: unlikly to be chosen
+ * @GST_RANK_SECONDARY: likely to be chosen
+ * @GST_RANK_PRIMARY: will be chosen first
+ *
+ * Element priority ranks. Defines the order in which the autoplugger (or
+ * similar rank-picking mechanisms, such as e.g. gst_element_make_from_uri())
+ * will choose this element over an alternative one with the same function.
+ *
+ * These constants serve as a rough guidance for defining the rank of a
+ * #GstPluginFeature. Any value is valid, including values bigger than
+ * @GST_RANK_PRIMARY.
+ */
+typedef enum {
+  GST_RANK_NONE                 = 0,
+  GST_RANK_MARGINAL             = 64,
+  GST_RANK_SECONDARY            = 128,
+  GST_RANK_PRIMARY              = 256
+} GstRank;
+
+/**
+ * GstPluginFeature:
+ *
+ * Opaque #GstPluginFeature structure.
+ */
+struct _GstPluginFeature {
+  GstObject      object;
+
+  /*< private >*/
+  gboolean       loaded;
+  gchar         *name;
+  guint          rank;
+
+  const gchar   *plugin_name;
+
+  /*< private >*/
+  gpointer _gst_reserved[GST_PADDING];
+};
+
+struct _GstPluginFeatureClass {
+  GstObjectClass	parent_class;
+
+  /*< private >*/
+  gpointer _gst_reserved[GST_PADDING];
+};
+
+/**
+ * GstTypeNameData:
+ * @name: a name
+ * @type: a GType
+ *
+ * Structure used for filtering based on @name and @type.
+ */
+typedef struct {
+  const gchar 	*name;
+  GType		 type;
+} GstTypeNameData;
+
+/**
+ * GstPluginFeatureFilter:
+ * @feature: the pluginfeature to check
+ * @user_data: the user_data that has been passed on e.g.
+ *  gst_registry_feature_filter()
+ *
+ * A function that can be used with e.g. gst_registry_feature_filter()
+ * to get a list of pluginfeature that match certain criteria.
+ *
+ * Returns: %TRUE for a positive match, %FALSE otherwise
+ */
+typedef gboolean        (*GstPluginFeatureFilter)       (GstPluginFeature *feature,
+                                                         gpointer user_data);
+
+/* normal GObject stuff */
+#ifdef __SYMBIAN32__
+IMPORT_C
+#endif
+
+GType		gst_plugin_feature_get_type		(void);
+#ifdef __SYMBIAN32__
+IMPORT_C
+#endif
+
+
+GstPluginFeature *
+                gst_plugin_feature_load         	(GstPluginFeature *feature);
+#ifdef __SYMBIAN32__
+IMPORT_C
+#endif
+
+
+gboolean	gst_plugin_feature_type_name_filter	(GstPluginFeature *feature,
+							 GstTypeNameData *data);
+#ifdef __SYMBIAN32__
+IMPORT_C
+#endif
+
+
+void		gst_plugin_feature_set_rank		(GstPluginFeature *feature, guint rank);
+#ifdef __SYMBIAN32__
+IMPORT_C
+#endif
+
+void		gst_plugin_feature_set_name		(GstPluginFeature *feature, const gchar *name);
+#ifdef __SYMBIAN32__
+IMPORT_C
+#endif
+
+guint		gst_plugin_feature_get_rank		(GstPluginFeature *feature);
+#ifdef __SYMBIAN32__
+IMPORT_C
+#endif
+
+G_CONST_RETURN gchar *gst_plugin_feature_get_name	(GstPluginFeature *feature);
+#ifdef __SYMBIAN32__
+IMPORT_C
+#endif
+
+
+void            gst_plugin_feature_list_free            (GList *list);
+#ifdef __SYMBIAN32__
+IMPORT_C
+#endif
+
+
+gboolean        gst_plugin_feature_check_version        (GstPluginFeature *feature,
+                                                         guint             min_major,
+                                                         guint             min_minor,
+                                                         guint             min_micro);
+
+G_END_DECLS
+
+
+#endif /* __GST_PLUGIN_FEATURE_H__ */
+