lazy setup glib main loop

avs/player/gstreamer_player.py

@@ -10,7 +10,7 @@
 from gi.repository import Gst, GLib, GObject
 
 
-def setup():
+def setup_message_handler():
  GObject.threads_init()
  Gst.init(None)
  loop = GLib.MainLoop()
@@ -19,15 +19,18 @@ def setup():
  t.daemon = True
  t.start()
 
-setup()
+ return t
 
 
 class Player(object):
+ message_handler = None
+
  def __init__(self):
- self.callbacks = {}
+ if Player.message_handler is None:
+ Player.message_handler = setup_message_handler()
 
+ self.callbacks = {}
  self.player = Gst.ElementFactory.make("playbin", "player")
-
  bus = self.player.get_bus()
  bus.add_signal_watch()
  bus.connect('message', self.on_message)