--- /dev/null
+/* GStreamer base utils library missing plugins support
+ * Copyright (C) 2006 Tim-Philipp Müller <tim centricular 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.
+ */
+
+#ifndef __GST_PB_UTILS_MISSING_PLUGINS_H__
+#define __GST_PB_UTILS_MISSING_PLUGINS_H__
+
+#include <gst/gstmessage.h>
+#include <gst/gstcaps.h>
+
+G_BEGIN_DECLS
+
+/*
+ * functions to create missing-plugin messages, for use by plugins primarily
+ */
+
+GstMessage * gst_missing_uri_source_message_new (GstElement * element,
+ const gchar * protocol);
+
+GstMessage * gst_missing_uri_sink_message_new (GstElement * element,
+ const gchar * protocol);
+
+GstMessage * gst_missing_element_message_new (GstElement * element,
+ const gchar * factory_name);
+
+GstMessage * gst_missing_decoder_message_new (GstElement * element,
+ const GstCaps * decode_caps);
+
+GstMessage * gst_missing_encoder_message_new (GstElement * element,
+ const GstCaps * encode_caps);
+
+/*
+ * functions for use by applications when dealing with missing-plugin messages
+ */
+
+gchar * gst_missing_plugin_message_get_installer_detail (GstMessage * msg);
+
+gchar * gst_missing_plugin_message_get_description (GstMessage * msg);
+
+gboolean gst_is_missing_plugin_message (GstMessage * msg);
+
+
+/*
+ * functions for use by applications that know exactly what plugins they are
+ * missing and want to request them directly rather than just react to
+ * missing-plugin messages posted by elements such as playbin or decodebin
+ */
+
+gchar * gst_missing_uri_source_installer_detail_new (const gchar * protocol);
+
+gchar * gst_missing_uri_sink_installer_detail_new (const gchar * protocol);
+
+gchar * gst_missing_element_installer_detail_new (const gchar * factory_name);
+
+gchar * gst_missing_decoder_installer_detail_new (const GstCaps * decode_caps);
+
+gchar * gst_missing_encoder_installer_detail_new (const GstCaps * encode_caps);
+
+G_END_DECLS
+
+#endif /* __GST_PB_UTILS_MISSING_PLUGINS_H__ */
+