pygst.require('0.10')
import gst
import util
+import dbus
log = logging.getLogger(__name__)
+class _Player(object):
+ """Defines the internal player interface"""
+ def __init__(self):
+ pass
+ def play_url(self, filetype, uri):
+ raise NotImplemented
+ def playing(self):
+ raise NotImplemented
+ def play_pause_toggle(self):
+ self.pause() if self.playing() else self.play()
+ def play(self):
+ raise NotImplemented
+ def pause(self):
+ raise NotImplemented
+ def stop(self):
+ raise NotImplemented
+ def set_eos_callback(self, cb):
+ raise NotImplemented
-class GStreamer(object):
+class GStreamer(_Player):
"""Wraps GStreamer"""
STATES = { gst.STATE_NULL : 'stopped',
gst.STATE_PAUSED : 'paused',
gst.STATE_PLAYING : 'playing' }
def __init__(self):
+ _Player.__init__(self)
self.time_format = gst.Format(gst.FORMAT_TIME)
self.player = None
self.filesrc = None
self.volume_property = None
self.eos_callback = lambda: self.stop()
- def setup(self, filetype, uri):
+ def play_url(self, filetype, uri):
if None in (filetype, uri):
self.player = None
return False
# 1. Weird volume bugs in playbin when playing ogg or wma files
# 2. When seeking the DSPs sometimes lie about the real position info
if util.platform == 'maemo':
- if True or not self._maemo_setup_hardware_player(filetype):
+ if not self._maemo_setup_hardware_player(filetype):
self._maemo_setup_software_player()
log.debug( 'Using software decoding (maemo)' )
else:
bus.connect('message', self._on_message)
self._set_volume_level( 1 )
+
+ self.play()
return True
def get_state(self):
if self.player:
self.player.set_state(gst.STATE_PAUSED)
- def play_pause_toggle(self):
- self.pause() if self.playing() else self.play()
-
def stop(self):
if self.player:
self.player.set_state(gst.STATE_NULL)
def set_eos_callback(self, cb):
self.eos_callback = cb
+if util.platform == 'maemo':
+ class OssoPlayer(_Player):
+ """
+ A player which uses osso-media-player for playback (Maemo-specific)
+ """
+
+ SERVICE_NAME = "com.nokia.osso_media_server"
+ OBJECT_PATH = "/com/nokia/osso_media_server"
+ AUDIO_INTERFACE_NAME = "com.nokia.osso_media_server.music"
+
+ def __init__(self):
+ self._on_eos = lambda: self.stop()
+ self._state = 'none'
+ self._audio = self._init_dbus()
+ self._init_signals()
+
+ def play_url(self, filetype, uri):
+ self._audio.play_media(uri)
+
+ def playing(self):
+ return self._state == 'playing'
+
+ def play_pause_toggle(self):
+ self.pause() if self.playing() else self.play()
+
+ def play(self):
+ self._audio.play()
+
+ def pause(self):
+ if self.playing():
+ self._audio.pause()
+
+ def stop(self):
+ self._audio.stop()
+
+ def set_eos_callback(self, cb):
+ self._on_eos = cb
+
+
+ def _init_dbus(self):
+ session_bus = dbus.SessionBus()
+ oms_object = session_bus.get_object(self.SERVICE_NAME,
+ self.OBJECT_PATH,
+ introspect = False,
+ follow_name_owner_changes = True)
+ return dbus.Interface(oms_object, self.AUDIO_INTERFACE_NAME)
+
+ def _init_signals(self):
+ error_signals = {
+ "no_media_selected": "No media selected",
+ "file_not_found": "File not found",
+ "type_not_found": "Type not found",
+ "unsupported_type": "Unsupported type",
+ "gstreamer": "GStreamer Error",
+ "dsp": "DSP Error",
+ "device_unavailable": "Device Unavailable",
+ "corrupted_file": "Corrupted File",
+ "out_of_memory": "Out of Memory",
+ "audio_codec_not_supported": "Audio codec not supported"
+ }
+
+ # Connect status signals
+ self.audio_proxy.connect_to_signal( "state_changed",
+ self._on_state_changed )
+ self.audio_proxy.connect_to_signal( "end_of_stream",
+ lambda x: self._call_eos() )
+
+ # Connect error signals
+ for error, msg in error_signals.iteritems():
+ self.audio_proxy.connect_to_signal(error, lambda *x: self._error(msg))
+
+ def _error(self, msg):
+ log.error(msg)
+
+ def _call_eos(self):
+ self._on_eos()
+
+ def _on_state_changed(self, state):
+ states = ("playing", "paused", "stopped")
+ self.__state = state if state in states else 'none'
+
+ PlayerBackend = OssoPlayer
+else:
+ PlayerBackend = GStreamer
+
class Playlist(object):
class Entry(object):
def __init__(self, data):
class Player(Playlist):
def __init__(self):
- self.gstreamer = GStreamer()
- self.gstreamer.set_eos_callback(self._on_eos)
+ self.backend = PlayerBackend()
+ self.backend.set_eos_callback(self._on_eos)
self.playlist = None
def play(self, playlist = None):
if self.playlist.has_next():
entry = self.playlist.next()
log.debug("playing %s", entry)
- self.gstreamer.setup(entry.type, entry.url)
- self.gstreamer.play()
+ self.backend.play_url(entry.type, entry.url)
def pause(self):
- self.gstreamer.pause()
+ self.backend.pause()
def stop(self):
- self.gstreamer.stop()
+ self.backend.stop()
def playing(self):
- return self.gstreamer.playing()
+ return self.backend.playing()
def next(self):
if self.playlist.has_next():
projects / jamaendo / blobdiff