diff -r 000000000000 -r 0e761a78d257 gst_plugins_base/gst-libs/gst/interfaces/mixeroptions.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gst_plugins_base/gst-libs/gst/interfaces/mixeroptions.c	Thu Dec 17 08:53:32 2009 +0200
@@ -0,0 +1,144 @@
+/* GStreamer Mixer
+ * Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
+ *
+ * mixeroptions.c: mixer track options object design
+ *
+ * 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.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "mixeroptions.h"
+
+#if 0
+enum
+{
+  /* FILL ME */
+  SIGNAL_OPTION_CHANGED,
+  LAST_SIGNAL
+};
+static guint signals[LAST_SIGNAL] = { 0 };
+#endif
+
+static void gst_mixer_options_class_init (GstMixerOptionsClass * klass);
+static void gst_mixer_options_init (GstMixerOptions * mixer);
+static void gst_mixer_options_dispose (GObject * object);
+
+static GObjectClass *parent_class = NULL;
+#ifdef __SYMBIAN32__
+EXPORT_C
+#endif
+
+
+GType
+gst_mixer_options_get_type (void)
+{
+  static GType gst_mixer_options_type = 0;
+
+  if (!gst_mixer_options_type) {
+    static const GTypeInfo mixer_options_info = {
+      sizeof (GstMixerOptionsClass),
+      NULL,
+      NULL,
+      (GClassInitFunc) gst_mixer_options_class_init,
+      NULL,
+      NULL,
+      sizeof (GstMixerOptions),
+      0,
+      (GInstanceInitFunc) gst_mixer_options_init,
+      NULL
+    };
+
+    gst_mixer_options_type =
+        g_type_register_static (GST_TYPE_MIXER_TRACK,
+        "GstMixerOptions", &mixer_options_info, 0);
+  }
+
+  return gst_mixer_options_type;
+}
+
+static void
+gst_mixer_options_class_init (GstMixerOptionsClass * klass)
+{
+  GObjectClass *object_klass = (GObjectClass *) klass;
+
+  parent_class = g_type_class_peek_parent (klass);
+#if 0
+  signals[SIGNAL_OPTION_CHANGED] =
+      g_signal_new ("option_changed", G_TYPE_FROM_CLASS (klass),
+      G_SIGNAL_RUN_LAST,
+      G_STRUCT_OFFSET (GstMixerOptionsClass, option_changed),
+      NULL, NULL, g_cclosure_marshal_VOID__STRING,
+      G_TYPE_NONE, 1, G_TYPE_STRING);
+#endif
+
+  object_klass->dispose = gst_mixer_options_dispose;
+}
+
+static void
+gst_mixer_options_init (GstMixerOptions * mixer_options)
+{
+  mixer_options->values = NULL;
+}
+
+/**
+ * gst_mixer_options_get_values:
+ * @mixer_options: The #GstMixerOptions item that owns the values.
+ *
+ * Get the values for the mixer option.
+ *
+ * Returns: A list of strings with all the possible values for the mixer
+ *     option. You must not free or modify the list or its contents, it belongs
+ *     to the @mixer_options object.
+ */
+#ifdef __SYMBIAN32__
+EXPORT_C
+#endif
+
+GList *
+gst_mixer_options_get_values (GstMixerOptions * mixer_options)
+{
+  GstMixerOptionsClass *klass;
+  GList *ret = NULL;
+
+  g_return_val_if_fail (GST_IS_MIXER_OPTIONS (mixer_options), NULL);
+
+  klass = GST_MIXER_OPTIONS_GET_CLASS (mixer_options);
+
+  if (klass->get_values != NULL) {
+    ret = klass->get_values (mixer_options);
+  } else {
+    ret = mixer_options->values;
+  }
+
+  return ret;
+}
+
+
+static void
+gst_mixer_options_dispose (GObject * object)
+{
+  GstMixerOptions *opts = GST_MIXER_OPTIONS (object);
+
+  g_list_foreach (opts->values, (GFunc) g_free, NULL);
+  g_list_free (opts->values);
+  opts->values = NULL;
+
+  if (parent_class->dispose)
+    parent_class->dispose (object);
+}