using Gst;


Element pipeline;


 // callback function for events on the pipeline
 // quits on error, stops playback on end of file

bool on_bus_callback (Bus bus, Message message)
{
  if (message.type == MessageType.ERROR)
  {
    print ("Error...\n");
    GLib.Process.exit (1);
  }
  else if (message.type == MessageType.EOS)
  {
    print ("End of file...\n");
    pipeline.set_state (State.NULL);
  }

  return true;
}


void main (string[] args)
{
   // testing args
  if (args.length == 2)
  {
    print ("Now playing: " + args[1]);
  }
  else
  {
    print ("Usage : gstreamer-test file:///C:/path/file.mp3 \n");
    GLib.Process.exit (0);
  }

   // initializing GStreamer
  Gst.init (ref args);

   // creating elements
  pipeline  = ElementFactory.make ("playbin", "player");
  pipeline.set ("uri", args[1]);

   // adding a callback for pipeline events
  var bus = pipeline.get_bus ();
  bus.add_watch (GLib.Priority.DEFAULT, on_bus_callback);

   // set pipeline state to PLAYING
  pipeline.set_state (State.PLAYING);

   // running main loop
  print ("\nRunning...\n");
  new MainLoop ().run ();
}