Jabber: initial version of Jingle support

1 files changed, 164 insertions, 0 deletions

diff --git a/include/gst/gstpluginfeature.h b/include/gst/gstpluginfeature.h
new file mode 100644
index 0000000000..87f3707ea0
--- /dev/null
+++ b/include/gst/gstpluginfeature.h
@@ -0,0 +1,164 @@
+/* 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., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+
+#ifndef __GST_PLUGIN_FEATURE_H__
+#define __GST_PLUGIN_FEATURE_H__
+
+#include <glib-object.h>
+#include <gst/gstobject.h>
+#include <gst/gstplugin.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))
+
+/**
+ * GstPluginFeature:
+ *
+ * Opaque #GstPluginFeature structure.
+ */
+typedef struct _GstPluginFeature GstPluginFeature;
+typedef struct _GstPluginFeatureClass GstPluginFeatureClass;
+
+/**
+ * GstRank:
+ * @GST_RANK_NONE: will be chosen last or not at all
+ * @GST_RANK_MARGINAL: unlikely 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;
+
+/**
+ * gst_plugin_feature_get_name:
+ * @feature: a #GstPluginFeature to get the name of @feature.
+ *
+ * Returns the name of @feature.
+ * For a nameless plugin feature, this returns %NULL.
+ *
+ * Returns: (transfer none) (nullable): the name of @feature. MT safe.
+ *
+ */
+#define                 gst_plugin_feature_get_name(feature)      GST_OBJECT_NAME(feature)
+
+/**
+ * gst_plugin_feature_set_name:
+ * @feature: a #GstPluginFeature to set the name of.
+ * @name: the new name
+ *
+ * Sets the name of the plugin feature, getting rid of the old name if there was one.
+ */
+#define                 gst_plugin_feature_set_name(feature,name) gst_object_set_name(GST_OBJECT_CAST(feature),name)
+
+/**
+ * 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 */
+
+GST_API
+GType           gst_plugin_feature_get_type             (void);
+
+GST_API
+GstPluginFeature *
+                gst_plugin_feature_load                 (GstPluginFeature *feature);
+
+GST_API
+void            gst_plugin_feature_set_rank             (GstPluginFeature *feature, guint rank);
+
+GST_API
+guint           gst_plugin_feature_get_rank             (GstPluginFeature *feature);
+
+GST_API
+GstPlugin     * gst_plugin_feature_get_plugin           (GstPluginFeature *feature);
+
+GST_API
+const gchar   * gst_plugin_feature_get_plugin_name      (GstPluginFeature *feature);
+
+GST_API
+void            gst_plugin_feature_list_free            (GList *list);
+
+GST_API
+GList          *gst_plugin_feature_list_copy            (GList *list) G_GNUC_MALLOC;
+
+GST_API
+void            gst_plugin_feature_list_debug           (GList *list);
+
+/**
+ * GST_PLUGIN_FEATURE_LIST_DEBUG:
+ * @list: (transfer none) (element-type Gst.PluginFeature): a #GList of
+ *     plugin features
+ *
+ * Debug the plugin feature names in @list.
+ */
+#ifndef GST_DISABLE_GST_DEBUG
+#define GST_PLUGIN_FEATURE_LIST_DEBUG(list) gst_plugin_feature_list_debug(list)
+#else
+#define GST_PLUGIN_FEATURE_LIST_DEBUG(list)
+#endif
+
+GST_API
+gboolean        gst_plugin_feature_check_version        (GstPluginFeature *feature,
+                                                         guint             min_major,
+                                                         guint             min_minor,
+                                                         guint             min_micro);
+GST_API
+gint            gst_plugin_feature_rank_compare_func    (gconstpointer p1,
+							 gconstpointer p2);
+
+G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstPluginFeature, gst_object_unref)
+
+G_END_DECLS
+
+
+#endif /* __GST_PLUGIN_FEATURE_H__ */
+