/* GStreamer * Copyright (C) <1999> Erik Walthinsen * * 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 #define UPDATE_INTERVAL 500 static gboolean update_scale (GstElement * element) { guint64 duration; guint64 position; GstFormat format = GST_FORMAT_TIME; gst_element_query (element, GST_QUERY_TOTAL, &format, &duration); gst_element_query (element, GST_QUERY_POSITION, &format, &position); g_print ("%lld %lld\n", duration, position); return TRUE; } gint main (gint argc, gchar * argv[]) { GstElement *player; GstElementStateReturn res; gst_init (&argc, &argv); player = gst_element_factory_make ("playbin", "player"); g_assert (player); g_object_set (G_OBJECT (player), "uri", argv[1], NULL); res = gst_element_set_state (player, GST_STATE_PLAYING); if (res != GST_STATE_SUCCESS) { g_print ("could not play\n"); return -1; } g_timeout_add (UPDATE_INTERVAL, (GSourceFunc) update_scale, player); gst_main (); return 0; }