vcs.maemo.org Git - zukebox/blob - zukebox_render/src/zb_renderer.py

   1
   2 from brisa.core.reactors import GLib2Reactor
   3 reactor = GLib2Reactor()
   4
   5 import brisa
   6 brisa.__enable_offline_mode__ = True
   7
   8 import os
   9 import dbus.mainloop.glib
  10 import dbus.service
  11
  12 from brisa.core import config
  13 from brisa.upnp.device import Device
  14 from brisa.upnp.services.connmgr import ConnectionManagerRenderer
  15
  16 from zukebox_renderer.services.avtransport import AVTransport
  17 from zukebox_renderer.services.render_control import RenderingControl
  18
  19 dbus.mainloop.glib.DBusGMainLoop(set_as_default=True)
  20
  21 class ZukeBoxRenderer(dbus.service.Object):
  22     """ZukeBox Audio Renderer
  23     ZukeBox Renderer allow "play" a stream of audio, that come from a
  24     ControlPoint or ZukeBox Audio Server.
  25
  26     ZukeBox Audio Renderer has a DBus interface where there are the
  27     following methods:
  28         halt() - Halts the ZukeBox renderer
  29         ...
  30     """
  31     DBUS_SERVICE_NAME = "br.org.zagaia"
  32     DBUS_OBJ_PATH = "/br/org/zagaia/zukebox/ZukeBoxRenderer"
  33     DBUS_IFACE = "br.org.zagaia.zukebox.ZukeBoxRenderer"
  34
  35     def __init__(self, srv_name, listen_url=""):
  36         """Constructor
  37         @param srv_name:  the server name
  38         @param listen_url: the url to be listen requests
  39
  40         @type srv_name: string
  41         @type listen_url: string
  42         """
  43         bus = dbus.SessionBus()
  44         busname = dbus.service.BusName(self.DBUS_IFACE, bus=bus)
  45         dbus.service.Object.__init__(self, busname, self.DBUS_OBJ_PATH)
  46
  47         self.server_name = srv_name
  48         self.listen_url = listen_url
  49
  50         self.device = None
  51
  52     def _create_device(self):
  53         model_name = "ZukeBox Renderer version 0.1"
  54         project_page = 'http://portal.fucapi.br/nepcomp/zagaia'
  55         serial_no = "0000010"
  56         self.device = Device('urn:schemas-upnp-org:device:ZukeBoxRenderer:1',
  57                              self.server_name,
  58                              force_listen_url=self.listen_url,
  59                              manufacturer='ZukeBox Team. Zagaia Laboratory'
  60                              manufacturer_url=project_page,
  61                              model_description='A Renderer fo audio types',
  62                              model_name=model_name,
  63                              model_number=serial_no,
  64                              model_url=project_page,
  65                              serial_number=serial_no)
  66
  67     def _create_services(self):
  68         mod_path = config.get_parameter("zukebox_render", "home")
  69         x_path = os.path.join(mod_path, "xml_descriptions")
  70
  71         avt = AVTransport(x_path)
  72         rc = RenderingControl(x_path, avt.get_player())
  73         cm = ConnectionManagerRenderer()
  74
  75         self.device.add_service(cm)
  76         self.device.add_service(avt)
  77         self.device.add_service(rc)
  78
  79     def start(self):
  80         self._create_device()
  81         self._create_services()
  82         self.device.start()
  83         reactor.add_after_stop_func(self.device.stop)
  84         reactor.main()
  85
  86     @dbus.service.method(DBUS_IFACE)
  87     def halt(self):
  88         reactor.main_quit()
  89