--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gstreamer_core/gst/gstindexfactory.c	Thu Dec 17 08:53:32 2009 +0200
@@ -0,0 +1,241 @@
+/* GStreamer
+ * Copyright (C) 2001 RidgeRun (http://www.ridgerun.com/)
+ * Written by Erik Walthinsen <omega@ridgerun.com>
+ *
+ * gstindexfactory.c: Index for mappings and other data
+ *
+ * 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.
+ */
+
+/**
+ * SECTION:gstindexfactory
+ * @short_description: Create GstIndexes from a factory
+ * @see_also: #GstIndex
+ *
+ * GstIndexFactory is used to dynamically create GstIndex implementations.
+ */
+
+
+#include "gst_private.h"
+
+#include "gstinfo.h"
+#include "gstindex.h"
+#include "gstindexfactory.h"
+#include "gstmarshal.h"
+#include "gstregistry.h"
+
+static void gst_index_factory_class_init (GstIndexFactoryClass * klass);
+static void gst_index_factory_finalize (GObject * object);
+
+static GstPluginFeatureClass *factory_parent_class = NULL;
+
+/* static guint gst_index_factory_signals[LAST_SIGNAL] = { 0 }; */
+#ifdef __SYMBIAN32__
+EXPORT_C
+#endif
+
+
+GType
+gst_index_factory_get_type (void)
+{
+  static GType indexfactory_type = 0;
+
+  if (G_UNLIKELY (indexfactory_type == 0)) {
+    static const GTypeInfo indexfactory_info = {
+      sizeof (GstIndexFactoryClass),
+      NULL,
+      NULL,
+      (GClassInitFunc) gst_index_factory_class_init,
+      NULL,
+      NULL,
+      sizeof (GstIndexFactory),
+      0,
+      NULL,
+      NULL
+    };
+
+    indexfactory_type = g_type_register_static (GST_TYPE_PLUGIN_FEATURE,
+        "GstIndexFactory", &indexfactory_info, 0);
+  }
+  return indexfactory_type;
+}
+
+static void
+gst_index_factory_class_init (GstIndexFactoryClass * klass)
+{
+  GObjectClass *gobject_class;
+  GstObjectClass *gstobject_class;
+  GstPluginFeatureClass *gstpluginfeature_class;
+
+  gobject_class = (GObjectClass *) klass;
+  gstobject_class = (GstObjectClass *) klass;
+  gstpluginfeature_class = (GstPluginFeatureClass *) klass;
+
+  factory_parent_class = g_type_class_peek_parent (klass);
+
+  gobject_class->finalize = GST_DEBUG_FUNCPTR (gst_index_factory_finalize);
+}
+
+static void
+gst_index_factory_finalize (GObject * object)
+{
+  GstIndexFactory *factory = GST_INDEX_FACTORY (object);
+
+  g_free (factory->longdesc);
+
+  G_OBJECT_CLASS (factory_parent_class)->finalize (object);
+
+}
+
+/**
+ * gst_index_factory_new:
+ * @name: name of indexfactory to create
+ * @longdesc: long description of indexfactory to create
+ * @type: the GType of the GstIndex element of this factory
+ *
+ * Create a new indexfactory with the given parameters
+ *
+ * Returns: a new #GstIndexFactory.
+ */
+#ifdef __SYMBIAN32__
+EXPORT_C
+#endif
+
+GstIndexFactory *
+gst_index_factory_new (const gchar * name, const gchar * longdesc, GType type)
+{
+  GstIndexFactory *factory;
+
+  g_return_val_if_fail (name != NULL, NULL);
+  factory = GST_INDEX_FACTORY (g_object_new (GST_TYPE_INDEX_FACTORY, NULL));
+
+  GST_PLUGIN_FEATURE_NAME (factory) = g_strdup (name);
+  if (factory->longdesc)
+    g_free (factory->longdesc);
+  factory->longdesc = g_strdup (longdesc);
+  factory->type = type;
+
+  return factory;
+}
+
+/**
+ * gst_index_factory_destroy:
+ * @factory: factory to destroy
+ *
+ * Removes the index from the global list.
+ */
+#ifdef __SYMBIAN32__
+EXPORT_C
+#endif
+
+void
+gst_index_factory_destroy (GstIndexFactory * factory)
+{
+  g_return_if_fail (factory != NULL);
+
+  /* we don't free the struct bacause someone might  have a handle to it.. */
+}
+
+/**
+ * gst_index_factory_find:
+ * @name: name of indexfactory to find
+ *
+ * Search for an indexfactory of the given name.
+ *
+ * Returns: #GstIndexFactory if found, NULL otherwise
+ */
+#ifdef __SYMBIAN32__
+EXPORT_C
+#endif
+
+GstIndexFactory *
+gst_index_factory_find (const gchar * name)
+{
+  GstPluginFeature *feature;
+
+  g_return_val_if_fail (name != NULL, NULL);
+
+  GST_DEBUG ("gstindex: find \"%s\"", name);
+
+  feature = gst_registry_find_feature (gst_registry_get_default (), name,
+      GST_TYPE_INDEX_FACTORY);
+  if (feature)
+    return GST_INDEX_FACTORY (feature);
+
+  return NULL;
+}
+
+/**
+ * gst_index_factory_create:
+ * @factory: the factory used to create the instance
+ *
+ * Create a new #GstIndex instance from the
+ * given indexfactory.
+ *
+ * Returns: A new #GstIndex instance.
+ */
+#ifdef __SYMBIAN32__
+EXPORT_C
+#endif
+
+GstIndex *
+gst_index_factory_create (GstIndexFactory * factory)
+{
+  GstIndexFactory *newfactory;
+  GstIndex *new = NULL;
+
+  g_return_val_if_fail (factory != NULL, NULL);
+
+  newfactory =
+      GST_INDEX_FACTORY (gst_plugin_feature_load (GST_PLUGIN_FEATURE
+          (factory)));
+  if (newfactory == NULL)
+    return NULL;
+
+  new = GST_INDEX (g_object_new (newfactory->type, NULL));
+
+  gst_object_unref (newfactory);
+
+  return new;
+}
+
+/**
+ * gst_index_factory_make:
+ * @name: the name of the factory used to create the instance
+ *
+ * Create a new #GstIndex instance from the
+ * indexfactory with the given name.
+ *
+ * Returns: A new #GstIndex instance.
+ */
+#ifdef __SYMBIAN32__
+EXPORT_C
+#endif
+
+GstIndex *
+gst_index_factory_make (const gchar * name)
+{
+  GstIndexFactory *factory;
+
+  g_return_val_if_fail (name != NULL, NULL);
+
+  factory = gst_index_factory_find (name);
+
+  if (factory == NULL)
+    return NULL;
+
+  return gst_index_factory_create (factory);
+}