--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gst_plugins_base/gst/playback/test3.c	Thu Dec 17 08:53:32 2009 +0200
@@ -0,0 +1,128 @@
+/* GStreamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * 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.
+ */
+#include <gst/gst.h>
+
+#define UPDATE_INTERVAL 500
+
+static gboolean
+update_scale (GstElement * element)
+{
+  gint64 duration = -1;
+  gint64 position = -1;
+  GstFormat format = GST_FORMAT_TIME;
+  gchar dur_str[32], pos_str[32];
+
+  if (gst_element_query_position (element, &format, &position) &&
+      position != -1) {
+    g_snprintf (pos_str, 32, "%" GST_TIME_FORMAT, GST_TIME_ARGS (position));
+  } else {
+    g_snprintf (pos_str, 32, "-:--:--.---------");
+  }
+
+  if (gst_element_query_duration (element, &format, &duration) &&
+      duration != -1) {
+    g_snprintf (dur_str, 32, "%" GST_TIME_FORMAT, GST_TIME_ARGS (duration));
+  } else {
+    g_snprintf (dur_str, 32, "-:--:--.---------");
+  }
+
+  g_print ("%s / %s\n", pos_str, dur_str);
+
+  return TRUE;
+}
+
+static void
+warning_cb (GstBus * bus, GstMessage * msg, gpointer foo)
+{
+  GError *err = NULL;
+  gchar *dbg = NULL;
+
+  gst_message_parse_warning (msg, &err, &dbg);
+
+  g_printerr ("WARNING: %s (%s)\n", err->message, (dbg) ? dbg : "no details");
+
+  g_error_free (err);
+  g_free (dbg);
+}
+
+static void
+error_cb (GstBus * bus, GstMessage * msg, GMainLoop * main_loop)
+{
+  GError *err = NULL;
+  gchar *dbg = NULL;
+
+  gst_message_parse_error (msg, &err, &dbg);
+
+  g_printerr ("ERROR: %s (%s)\n", err->message, (dbg) ? dbg : "no details");
+
+  g_main_loop_quit (main_loop);
+
+  g_error_free (err);
+  g_free (dbg);
+}
+
+static void
+eos_cb (GstBus * bus, GstMessage * msg, GMainLoop * main_loop)
+{
+  g_print ("EOS\n");
+  g_main_loop_quit (main_loop);
+}
+
+
+gint
+main (gint argc, gchar * argv[])
+{
+  GstStateChangeReturn res;
+  GstElement *player;
+  GMainLoop *loop;
+  GstBus *bus;
+
+  gst_init (&argc, &argv);
+
+  loop = g_main_loop_new (NULL, TRUE);
+
+  player = gst_element_factory_make ("playbin", "player");
+  g_assert (player);
+
+  bus = gst_pipeline_get_bus (GST_PIPELINE (player));
+  gst_bus_add_signal_watch (bus);
+
+  g_signal_connect (bus, "message::eos", G_CALLBACK (eos_cb), loop);
+  g_signal_connect (bus, "message::error", G_CALLBACK (error_cb), loop);
+  g_signal_connect (bus, "message::warning", G_CALLBACK (warning_cb), NULL);
+
+  g_object_set (G_OBJECT (player), "uri", argv[1], NULL);
+
+  res = gst_element_set_state (player, GST_STATE_PLAYING);
+  if (res == GST_STATE_CHANGE_FAILURE) {
+    g_print ("could not play\n");
+    return -1;
+  }
+
+  g_timeout_add (UPDATE_INTERVAL, (GSourceFunc) update_scale, player);
+
+  g_main_loop_run (loop);
+
+  /* tidy up */
+  gst_element_set_state (player, GST_STATE_NULL);
+  gst_object_unref (player);
+  gst_object_unref (bus);
+
+  return 0;
+}