1 files changed, 695 insertions, 0 deletions
diff --git a/gstreamer-properties/gstreamer-properties.c b/gstreamer-properties/gstreamer-properties.c
new file mode 100644
index 0000000..4e9f0c9
--- /dev/null
+++ b/gstreamer-properties/gstreamer-properties.c
@@ -0,0 +1,695 @@
+/* -*- mode: c; style: linux -*- */
+/* -*- c-basic-offset: 2 -*- */
+
+/* gstreamer-properties.c
+ * Copyright (C) 2002 Jan Schmidt
+ * Copyright (C) 2005 Tim-Philipp Müller <tim centricular net>
+ *
+ * Written by: Jan Schmidt <[email protected]>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; 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 <locale.h>
+#include <string.h>
+
+#include <glib.h>
+#include <glib/gi18n.h>
+#include <gtk/gtk.h>
+#include <mateconf/mateconf-client.h>
+#include <gst/gst.h>
+#include <gst/interfaces/propertyprobe.h>
+#include "gstreamer-properties-structs.h"
+#include "pipeline-tests.h"
+
+#define WID(s) gtk_builder_get_object (builder, s)
+static GtkBuilder *builder;
+static GtkDialog *main_window;
+static MateConfClient *mateconf_client; /* NULL */
+
+static gchar pipeline_editor_property[] = "gstp-editor";
+
+static gchar *
+gst_properties_mateconf_get_full_key (const gchar * key)
+{
+ return g_strdup_printf ("/system/gstreamer/%d.%d/%s",
+ GST_VERSION_MAJOR, GST_VERSION_MINOR, key);
+}
+
+gchar *
+gst_properties_mateconf_get_string (const gchar * key)
+{
+ GError *error = NULL;
+ gchar *value = NULL;
+ gchar *full_key;
+
+ full_key = gst_properties_mateconf_get_full_key (key);
+
+ value = mateconf_client_get_string (mateconf_client, full_key, &error);
+ g_free (full_key);
+
+ if (error) {
+ g_warning ("%s() error: %s", G_STRFUNC, error->message);
+ g_error_free (error);
+ return NULL;
+ }
+
+ return value;
+}
+
+void
+gst_properties_mateconf_set_string (const gchar * key, const gchar * value)
+{
+ GError *error = NULL;
+ gchar *full_key;
+
+ full_key = gst_properties_mateconf_get_full_key (key);
+
+ mateconf_client_set_string (mateconf_client, full_key, value, &error);
+ g_free (full_key);
+
+ if (error) {
+ g_warning ("%s() error: %s", G_STRFUNC, error->message);
+ g_error_free (error);
+ }
+}
+
+static void
+dialog_response (GtkDialog * widget, gint response_id, GtkBuilder * dialog)
+{
+ GError *error = NULL;
+
+ if (response_id == GTK_RESPONSE_HELP)
+ gtk_show_uri (gtk_widget_get_screen (GTK_WIDGET (dialog)),
+ "ghelp:gstreamer-properties",
+ gtk_get_current_event_time (),
+ &error);
+ else
+ gtk_main_quit ();
+
+ if (error) {
+ g_warning ("%s() error: %s", G_STRFUNC, error->message);
+ g_error_free (error);
+ }
+}
+
+static void
+test_button_clicked (GtkButton * button, gpointer user_data)
+{
+ GSTPPipelineEditor *editor = (GSTPPipelineEditor *) (user_data);
+ GSTPPipelineDescription *pipeline_desc =
+ editor->pipeline_desc + editor->cur_pipeline_index;
+ if (pipeline_desc->is_custom) {
+ GtkEntry *entry = editor->entry;
+
+ pipeline_desc->pipeline = g_strdup (gtk_entry_get_text (GTK_ENTRY (entry)));
+ }
+
+ user_test_pipeline (builder, GTK_WINDOW (main_window), pipeline_desc);
+
+ if (pipeline_desc->is_custom) {
+ g_free (pipeline_desc->pipeline);
+ pipeline_desc->pipeline = NULL;
+ }
+}
+
+static void
+pipeline_devicemenu_changed (GtkComboBox *devicemenu, gpointer user_data)
+{
+ GSTPPipelineEditor *editor = (GSTPPipelineEditor *) (user_data);
+ GSTPPipelineDescription *pipeline_desc = NULL;
+ GtkTreeIter iter;
+ GtkTreeModel *model = gtk_combo_box_get_model (devicemenu);
+ gchar *devicename = NULL;
+ gboolean active;
+
+ /* Determine which option changed, retrieve the pipeline desc,
+ * and call update_from_option */
+
+ if (model == NULL)
+ return;
+
+ active = gtk_combo_box_get_active_iter (devicemenu, &iter);
+
+ if (!active)
+ return;
+
+ gtk_tree_model_get (model, &iter, 1, &pipeline_desc, 2, &devicename, -1);
+
+ if (pipeline_desc == NULL)
+ return;
+
+ pipeline_desc->device = devicename;
+
+ if (pipeline_desc->is_custom == FALSE) {
+ gchar *pipeline = gst_pipeline_string_from_desc (pipeline_desc);
+
+ if (pipeline)
+ gtk_entry_set_text (editor->entry, pipeline);
+ gtk_widget_set_sensitive (GTK_WIDGET (editor->entry), FALSE);
+
+ /* Update MateConf */
+ gst_properties_mateconf_set_string (editor->mateconf_key, pipeline);
+ } else {
+ gtk_widget_set_sensitive (GTK_WIDGET (editor->entry), TRUE);
+ }
+}
+
+static void
+update_device_menu (GSTPPipelineEditor * editor,
+ GSTPPipelineDescription * pipeline_desc)
+{
+ /* Lots of gstreamer stuff */
+ GstElementFactory *factory;
+ GstElement *element;
+ GstPropertyProbe *probe;
+ const GParamSpec *pspec;
+ GObjectClass *klass;
+ const gchar *longname;
+
+ if (editor->devicemenu == NULL) {
+ GtkCellRenderer *cellrenderer = gtk_cell_renderer_text_new ();
+
+ editor->devicemenu = GTK_COMBO_BOX (WID (editor->devicemenu_name));
+
+ gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (editor->devicemenu),
+ cellrenderer, TRUE);
+ gtk_cell_layout_add_attribute (GTK_CELL_LAYOUT (editor->devicemenu),
+ cellrenderer, "text", 0);
+
+ g_object_set_data (G_OBJECT (editor->devicemenu), pipeline_editor_property,
+ (gpointer) (editor));
+ g_signal_connect (G_OBJECT (editor->devicemenu), "changed",
+ (GCallback) pipeline_devicemenu_changed, (gpointer) (editor));
+ }
+
+ if (editor->devicemenu) {
+ gchar *insensitive_label = g_strdup(_("None"));
+ gboolean devices_added = FALSE;
+ gboolean preselect = FALSE;
+ GtkTreeIter preselection;
+ /* Use a pointer for the devicename (col 3), the capplet seems to avoid
+ * string allocation/deallocation this way */
+ GtkListStore *store = gtk_list_store_new (3, G_TYPE_STRING,
+ G_TYPE_POINTER, G_TYPE_POINTER);
+
+ gtk_widget_set_sensitive (GTK_WIDGET (editor->devicemenu), FALSE);
+
+ gtk_combo_box_set_model (editor->devicemenu, NULL);
+
+ if (pipeline_desc->is_custom == FALSE) {
+
+ /* first see if we can actually create a device here */
+ factory = gst_element_factory_find (pipeline_desc->pipeline);
+ if (!factory) {
+ GST_WARNING ("Failed to find factory for pipeline '%s'",
+ pipeline_desc->pipeline);
+ // return;
+ }
+ else {
+ element = gst_element_factory_create (factory, "test");
+ longname = gst_element_factory_get_longname (factory);
+ if (!element) {
+ GST_WARNING ("Failed to create instance of factory '%s' (%s)",
+ longname, GST_PLUGIN_FEATURE (factory)->name);
+ //return;
+ }
+ else {
+ klass = G_OBJECT_GET_CLASS (element);
+
+ /* do we have a "device" property? */
+ if (!g_object_class_find_property (klass, "device") ||
+ !GST_IS_PROPERTY_PROBE (element) ||
+ !(probe = GST_PROPERTY_PROBE (element)) ||
+ !(pspec = gst_property_probe_get_property (probe, "device"))) {
+ GST_DEBUG ("Found source '%s' (%s) - no device",
+ longname, GST_PLUGIN_FEATURE (factory)->name);
+ g_free (insensitive_label);
+ /* Element does not support setting devices */
+ insensitive_label = g_strdup(_("Unsupported"));
+ } else {
+ gint n;
+ gchar *name;
+ GValueArray *array;
+
+ /* Set autoprobe[-fps] to FALSE to avoid delays when probing. */
+ if (g_object_class_find_property (klass, "autoprobe")) {
+ g_object_set (G_OBJECT (element), "autoprobe", FALSE, NULL);
+ if (g_object_class_find_property (klass, "autoprobe-fps")) {
+ g_object_set (G_OBJECT (element), "autoprobe-fps", FALSE, NULL);
+ }
+ }
+
+ array = gst_property_probe_probe_and_get_values (probe, pspec);
+ if (array != NULL) {
+ GtkTreeIter iter;
+
+ /* default device item, so we can let the element handle it */
+ if (array->n_values > 0) {
+ gtk_list_store_append (store, &iter);
+ gtk_list_store_set (store, &iter,
+ 0, _("Default"),
+ 1, (gpointer) pipeline_desc,
+ 2, NULL, -1);
+
+ devices_added = TRUE;
+
+ // Preselect this to simulate GtkOptionMenu behavior
+ preselect = TRUE;
+ preselection = iter;
+
+ gtk_widget_set_sensitive (GTK_WIDGET (editor->devicemenu), TRUE);
+ }
+
+ for (n = 0; n < array->n_values; n++) {
+ GValue *device;
+ // GstCaps *caps;
+
+ device = g_value_array_get_nth (array, n);
+ g_object_set_property (G_OBJECT (element), "device", device);
+
+ if (gst_element_set_state (element, GST_STATE_READY) !=
+ GST_STATE_CHANGE_SUCCESS) {
+ GST_WARNING
+ ("Found source '%s' (%s) - device %s failed to open", longname,
+ GST_PLUGIN_FEATURE (factory)->name,
+ g_value_get_string (device));
+ continue;
+ }
+
+ g_object_get (G_OBJECT (element), "device-name", &name, NULL);
+ // caps = gst_pad_get_caps (gst_element_get_pad (element, "src"));
+
+ if (name == NULL)
+ name = _("Unknown");
+
+ GST_DEBUG ("Found source '%s' (%s) - device %s '%s'",
+ longname, GST_PLUGIN_FEATURE (factory)->name,
+ g_value_get_string (device), name);
+
+ gst_element_set_state (element, GST_STATE_NULL);
+
+ /* Add device to devicemenu */
+ gtk_list_store_append (store, &iter);
+ gtk_list_store_set (store, &iter,
+ 0, name,
+ 1, (gpointer) pipeline_desc,
+ 2, (gpointer) g_value_get_string (device),
+ -1);
+
+ devices_added = TRUE;
+ if (pipeline_desc->device != NULL &&
+ !strcmp (pipeline_desc->device, g_value_get_string(device)))
+ {
+ preselect = TRUE;
+ preselection = iter;
+ }
+ }
+ }
+ }
+ gst_object_unref (GST_OBJECT (element));
+ }
+ gst_object_unref (GST_OBJECT (factory));
+ }
+ }
+
+ /* No devices to choose -> "None" */
+ if (!devices_added) {
+ GtkTreeIter iter;
+
+ gtk_list_store_append (store, &iter);
+ gtk_list_store_set (store, &iter,
+ 0, insensitive_label,
+ 1, (gpointer) pipeline_desc,
+ 2, NULL, -1);
+ preselect = TRUE;
+ preselection = iter;
+ }
+
+ gtk_combo_box_set_model (editor->devicemenu, GTK_TREE_MODEL (store));
+
+ if (preselect) {
+ gtk_combo_box_set_active_iter (editor->devicemenu, &preselection);
+ }
+
+ g_free (insensitive_label);
+ }
+}
+
+static void
+update_from_option (GSTPPipelineEditor * editor,
+ GSTPPipelineDescription * pipeline_desc)
+{
+ /* optionmenu changed, update the edit box, 
+ * and the appropriate MateConf key */
+ /* FIXME g_return_if_fail(editor); */
+ /* g_return_if_fail(pipeline_desc); */
+
+ editor->cur_pipeline_index = pipeline_desc->index;
+
+ /* Update device list */
+ update_device_menu(editor, pipeline_desc);
+
+ if (pipeline_desc->is_custom == FALSE) {
+ gchar *pipeline = gst_pipeline_string_from_desc(pipeline_desc);
+ if (pipeline)
+ gtk_entry_set_text (editor->entry, pipeline);
+ gtk_widget_set_sensitive (GTK_WIDGET (editor->entry), FALSE);
+
+ /* Update MateConf */
+ gst_properties_mateconf_set_string (editor->mateconf_key, pipeline);
+ } else {
+ gtk_widget_set_sensitive (GTK_WIDGET (editor->entry), TRUE);
+ }
+}
+
+static gboolean
+set_menuitem_by_pipeline (GtkTreeModel *model, GtkTreePath *path,
+ GtkTreeIter *iter, gpointer data)
+{
+ GSTPPipelineEditor *editor = (GSTPPipelineEditor *) (data);
+ GSTPPipelineDescription *pipeline_desc;
+
+ gtk_tree_model_get (model, iter, 1, &pipeline_desc, -1);
+ if (pipeline_desc == (editor->pipeline_desc + editor->cur_pipeline_index)) {
+ gtk_combo_box_set_active_iter (editor->optionmenu, iter);
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+static void
+update_from_mateconf (GSTPPipelineEditor * editor, const gchar * pipeline_str)
+{
+ /* Iterate over the pipelines in the editor, and locate the one 
+ matching this pipeline_str. If none, then use 'Custom' entry */
+ int i = 0;
+ gint custom_desc = -1;
+
+ /* g_return_if_fail (editor != NULL); */
+ gchar **pipeline_nodes = g_strsplit (pipeline_str, " ", -1);
+ gchar *pipeline_device = NULL;
+ if (pipeline_nodes == NULL) {
+ pipeline_nodes[0] = (gchar*)pipeline_str;
+ pipeline_device = pipeline_nodes[1];
+ }
+
+ editor->cur_pipeline_index = -1;
+ for (i = 0; i < editor->n_pipeline_desc; i++) {
+ GSTPPipelineDescription *pipeline_desc = editor->pipeline_desc + i;
+
+ if (pipeline_desc->is_custom == TRUE) {
+ custom_desc = i;
+ } else if (!strcmp (gst_pipeline_string_from_desc (pipeline_desc), pipeline_str)) {
+ editor->cur_pipeline_index = i;
+ break;
+ } else if (!strcmp (gst_pipeline_string_from_desc (pipeline_desc), pipeline_nodes[0])) {
+ editor->cur_pipeline_index = i;
+ pipeline_desc->device = gst_pipeline_string_get_property_value(pipeline_str, "device");
+ break;
+ }
+ }
+
+ if (editor->cur_pipeline_index < 0) {
+ editor->cur_pipeline_index = custom_desc;
+ if (custom_desc >= 0) {
+ gtk_entry_set_text (editor->entry, pipeline_str);
+ if (pipeline_str == NULL || *pipeline_str == '\0')
+ gtk_widget_set_sensitive (GTK_WIDGET (editor->test_button), FALSE);
+ }
+ }
+
+ if (editor->cur_pipeline_index >= 0) {
+ GtkTreeModel *model = gtk_combo_box_get_model (editor->optionmenu);
+
+ gtk_tree_model_foreach (model, set_menuitem_by_pipeline, editor);
+ update_from_option (editor,
+ editor->pipeline_desc + editor->cur_pipeline_index);
+ }
+
+ g_strfreev(pipeline_nodes);
+}
+
+static void
+pipeline_option_changed (GtkComboBox *optionmenu, gpointer user_data)
+{
+ GtkTreeIter iter;
+ GtkTreeModel *model = gtk_combo_box_get_model (optionmenu);
+ gboolean active;
+ GSTPPipelineEditor *editor = (GSTPPipelineEditor *) (user_data);
+ GSTPPipelineDescription *pipeline_desc = NULL;
+
+ /* Determine which option changed, retrieve the pipeline desc,
+ * and call update_from_option */
+ active = gtk_combo_box_get_active_iter (optionmenu, &iter);
+ g_return_if_fail (active == TRUE);
+ gtk_tree_model_get (model, &iter, 1, &pipeline_desc, -1);
+
+ update_from_option (editor, pipeline_desc);
+}
+
+static void
+entry_changed (GtkEditable * editable, gpointer user_data)
+{
+ GSTPPipelineEditor *editor = (GSTPPipelineEditor *) (user_data);
+ const gchar *new_text = gtk_entry_get_text (GTK_ENTRY (editable));
+
+ if (new_text == NULL || *new_text == '\0') {
+ /* disable test button */
+ gtk_widget_set_sensitive (GTK_WIDGET (editor->test_button), FALSE);
+ } else {
+ gtk_widget_set_sensitive (GTK_WIDGET (editor->test_button), TRUE);
+ }
+ /* Update MateConf */
+ gst_properties_mateconf_set_string (editor->mateconf_key, new_text);
+}
+
+static gboolean
+element_available (const gchar * pipeline)
+{
+ gboolean res = FALSE;
+ gchar *p, *first_space;
+
+ if (pipeline == NULL || *pipeline == '\0')
+ return FALSE;
+
+ p = g_strdup (pipeline);
+
+ g_strstrip (p);
+
+ /* skip the check and pretend all is fine if it's something that does
+ * not look like an element name (e.g. parentheses to signify a bin) */
+ if (!g_ascii_isalpha (*p)) {
+ g_free (p);
+ return TRUE;
+ }
+
+ /* just the element name, no arguments */
+ first_space = strchr (p, ' ');
+ if (first_space != NULL)
+ *first_space = '\0';
+
+ /* check if element is available */
+ res = gst_default_registry_check_feature_version (p, GST_VERSION_MAJOR,
+ GST_VERSION_MINOR, 0);
+
+ g_free (p);
+ return res;
+}
+
+static GtkComboBox *
+create_pipeline_menu (GtkBuilder * dialog, GSTPPipelineEditor * editor)
+{
+ GtkComboBox *option = NULL;
+ gint i;
+ GSTPPipelineDescription *pipeline_desc = editor->pipeline_desc;
+
+
+ option = GTK_COMBO_BOX (WID (editor->optionmenu_name));
+ if (option) {
+ GtkListStore *list_store = gtk_list_store_new (2, G_TYPE_STRING,
+ G_TYPE_POINTER);
+ GtkCellRenderer *cellrenderer = gtk_cell_renderer_text_new ();
+
+ gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (option), cellrenderer, TRUE);
+ gtk_cell_layout_add_attribute (GTK_CELL_LAYOUT (option), cellrenderer,
+ "text", 0);
+ for (i = 0; i < editor->n_pipeline_desc; i++) {
+ GtkTreeIter iter;
+
+ if (element_available (pipeline_desc[i].pipeline)) {
+ GstElement *pipeline;
+ GError *error = NULL;
+
+ pipeline = gst_parse_launch (pipeline_desc[i].pipeline, &error);
+ if (pipeline != NULL) {
+ gst_object_unref (pipeline);
+ }
+ if (error != NULL) {
+ g_error_free (error);
+ continue;
+ }
+ } else if (pipeline_desc[i].pipeline != NULL) {
+ /* FIXME: maybe we should show those in the
+ * combo box, but make them insensitive? Or is
+ * that more confusing than helpful for users? */
+ g_message ("Skipping unavailable plugin '%s'",
+ pipeline_desc[i].pipeline);
+ continue;
+ } else {
+ /* This is probably the 'Custom' pipeline */
+ }
+
+ gtk_list_store_append (list_store, &iter);
+ gtk_list_store_set (list_store, &iter,
+ 0, gettext (pipeline_desc[i].name),
+ 1, (gpointer) & pipeline_desc[i], -1);
+ pipeline_desc[i].index = i;
+ }
+
+ gtk_combo_box_set_model (option, GTK_TREE_MODEL (list_store));
+ }
+
+ return option;
+}
+
+static void
+init_pipeline_editor (GtkBuilder * dialog, GSTPPipelineEditor * editor)
+{
+ gchar *mateconf_init_pipe = NULL;
+
+ /* g_return_if_fail(editor != NULL); */
+
+ editor->optionmenu = create_pipeline_menu (dialog, editor);
+ editor->entry = GTK_ENTRY (WID (editor->entry_name));
+ editor->test_button = GTK_BUTTON (WID (editor->test_button_name));
+
+ /* g_return_if_fail (editor->entry && editor->optionmenu && editor->test_button); */
+ if (!(editor->entry && editor->optionmenu && editor->test_button))
+ return;
+
+ g_object_set_data (G_OBJECT (editor->optionmenu), pipeline_editor_property,
+ (gpointer) (editor));
+ g_signal_connect (G_OBJECT (editor->optionmenu), "changed",
+ (GCallback) pipeline_option_changed, (gpointer) (editor));
+ g_object_set_data (G_OBJECT (editor->entry), pipeline_editor_property,
+ (gpointer) (editor));
+ g_signal_connect (G_OBJECT (editor->entry), "changed",
+ (GCallback) entry_changed, (gpointer) (editor));
+ g_object_set_data (G_OBJECT (editor->test_button), pipeline_editor_property,
+ (gpointer) (editor));
+ g_signal_connect (G_OBJECT (editor->test_button), "clicked",
+ (GCallback) test_button_clicked, (gpointer) (editor));
+
+ mateconf_init_pipe = gst_properties_mateconf_get_string (editor->mateconf_key);
+
+ if (mateconf_init_pipe) {
+ update_from_mateconf (editor, mateconf_init_pipe);
+ g_free (mateconf_init_pipe);
+ }
+}
+
+static void
+create_dialog (void)
+{
+ int i = 0;
+
+ for (i = 0; i < pipeline_editors_count; i++) {
+ init_pipeline_editor (builder, pipeline_editors + i);
+ }
+
+ main_window = GTK_DIALOG (WID ("gst_properties_dialog"));
+ if (!main_window) {
+ /* Fatal error */
+ GtkWidget *dialog;
+ dialog = gtk_message_dialog_new (NULL, GTK_DIALOG_DESTROY_WITH_PARENT,
+ GTK_MESSAGE_ERROR, GTK_BUTTONS_OK,
+ _("Failure instantiating main window"));
+ gtk_dialog_run (GTK_DIALOG (dialog));
+ gtk_widget_destroy (dialog);
+ return;
+ }
+
+ g_signal_connect (G_OBJECT (main_window),
+ "response", (GCallback) dialog_response, builder);
+ gtk_window_set_icon_name (GTK_WINDOW (main_window), "gstreamer-properties");
+ gtk_widget_show (GTK_WIDGET (main_window));
+}
+
+int
+main (int argc, char **argv)
+{
+ GOptionContext *ctx;
+ GError *error = NULL;
+
+ g_thread_init (NULL);
+
+ bindtextdomain (GETTEXT_PACKAGE, MATELOCALEDIR);
+ bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
+ textdomain (GETTEXT_PACKAGE);
+
+ ctx = g_option_context_new ("gstreamer-properties");
+ g_option_context_add_group (ctx, gtk_get_option_group (TRUE));
+ g_option_context_add_group (ctx, gst_init_get_option_group ());
+
+ if (! g_option_context_parse (ctx, &argc, &argv, &error)) {
+ g_printerr ("option parsing failed: %s\n", error->message);
+ g_error_free (error);
+ return EXIT_FAILURE;
+ }
+
+ builder = gtk_builder_new ();
+
+ /* FIXME: hardcode uninstalled path here */
+ if (g_file_test ("gstreamer-properties.ui", G_FILE_TEST_EXISTS) == TRUE) {
+ gtk_builder_add_from_file (builder, "gstreamer-properties.ui", &error);
+ } else if (g_file_test (GSTPROPS_UIDIR "/gstreamer-properties.ui",
+ G_FILE_TEST_EXISTS) == TRUE) {
+ gtk_builder_add_from_file (builder, GSTPROPS_UIDIR "/gstreamer-properties.ui", &error);
+ }
+
+ mateconf_client = mateconf_client_get_default ();
+
+ if (error) {
+ GtkWidget *dialog;
+
+ dialog = gtk_message_dialog_new (NULL,
+ 0,
+ GTK_MESSAGE_ERROR,
+ GTK_BUTTONS_CLOSE,
+ _("Failed to load UI file; please check your installation."));
+
+ gtk_dialog_run (GTK_DIALOG (dialog));
+ gtk_widget_destroy (dialog);
+ g_clear_error (&error);
+
+ exit (1);
+ }
+
+ create_dialog ();
+
+ if (main_window)
+ gtk_main ();
+
+ g_object_unref (mateconf_client);
+
+ return 0;
+}