diff -r 4c282e7dd6d3 -r 5505e8908944 gst_plugins_base/ext/alsa/gstalsamixeroptions.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gst_plugins_base/ext/alsa/gstalsamixeroptions.c	Fri Jan 22 09:59:59 2010 +0200
@@ -0,0 +1,105 @@
+/* ALSA mixer object implementation.
+ * Copyright (C) 2003 Leif Johnson <leif@ambient.2y.net>
+ *
+ * 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 "gstalsamixeroptions.h"
+
+static void gst_alsa_mixer_options_init (GstAlsaMixerOptions * alsa_opts);
+static void gst_alsa_mixer_options_class_init (gpointer g_class,
+    gpointer class_data);
+
+static GstMixerOptionsClass *parent_class = NULL;
+
+GType
+gst_alsa_mixer_options_get_type (void)
+{
+  static GType opts_type = 0;
+
+  if (!opts_type) {
+    static const GTypeInfo opts_info = {
+      sizeof (GstAlsaMixerOptionsClass),
+      NULL,
+      NULL,
+      gst_alsa_mixer_options_class_init,
+      NULL,
+      NULL,
+      sizeof (GstAlsaMixerOptions),
+      0,
+      (GInstanceInitFunc) gst_alsa_mixer_options_init,
+    };
+
+    opts_type =
+        g_type_register_static (GST_TYPE_MIXER_OPTIONS, "GstAlsaMixerOptions",
+        &opts_info, 0);
+  }
+
+  return opts_type;
+}
+
+static void
+gst_alsa_mixer_options_class_init (gpointer g_class, gpointer class_data)
+{
+  parent_class = g_type_class_peek_parent (g_class);
+}
+
+static void
+gst_alsa_mixer_options_init (GstAlsaMixerOptions * alsa_opts)
+{
+}
+
+GstMixerOptions *
+gst_alsa_mixer_options_new (snd_mixer_elem_t * element, gint track_num)
+{
+  GstMixerOptions *opts;
+  GstAlsaMixerOptions *alsa_opts;
+  GstMixerTrack *track;
+  const gchar *label;
+  gint num, i;
+  gchar str[256];
+
+  label = snd_mixer_selem_get_name (element);
+
+  opts = g_object_new (GST_ALSA_MIXER_OPTIONS_TYPE,
+      "untranslated-label", label, NULL);
+  alsa_opts = (GstAlsaMixerOptions *) opts;
+  track = (GstMixerTrack *) opts;
+
+  /* set basic information */
+  track->label = g_strdup (label);      /* FIXME: translate this? */
+  track->num_channels = 0;
+  track->flags = 0;
+  alsa_opts->element = element;
+  alsa_opts->track_num = track_num;
+
+  /* get enumerations for switch/options object */
+  num = snd_mixer_selem_get_enum_items (element);
+  for (i = 0; i < num; i++) {
+    if (snd_mixer_selem_get_enum_item_name (element, i, 255, str) < 0) {
+      g_object_unref (G_OBJECT (alsa_opts));
+      return NULL;
+    }
+
+    opts->values = g_list_append (opts->values, g_strdup (str));
+  }
+
+  return opts;
+}