def _make_receiver(self, mode, state, key): facet = ContextForReceiver(self, key) receiver = Receiver( mode=mode, input_rate=self.input_rate, input_center_freq=self.input_freq, audio_channels=self.__audio_channels, context=facet, ) receiver.state_from_json(state) # until _enabled, ignore any callbacks resulting from the state_from_json initialization facet._enabled = True return receiver
def _make_receiver(self, mode, state, key):
facet = ContextForReceiver(self, key)
receiver = Receiver(
mode=mode,
input_rate=self.input_rate,
input_center_freq=self.input_freq,
audio_channels=self.__audio_channels,
audio_destination=CLIENT_AUDIO_DEVICE, # TODO match others
context=facet,
)
receiver.state_from_json(state)
# until _enabled, ignore any callbacks resulting from the state_from_json initialization
facet._enabled = True
return receiver
def add_receiver(self, mode, key=None, state=None):
if len(self._receivers) >= 100:
# Prevent storage-usage DoS attack
raise Exception('Refusing to create more than 100 receivers')
if key is not None:
assert key not in self._receivers
else:
while True:
key = base26(self.receiver_key_counter)
self.receiver_key_counter += 1
if key not in self._receivers:
break
if len(self._receivers) > 0:
arbitrary = self._receivers.itervalues().next()
defaults = arbitrary.state_to_json()
else:
defaults = self.receiver_default_state
combined_state = defaults.copy()
if 'device_name' in combined_state: del combined_state['device_name'] # should not be overridden
if state is not None: combined_state.update(state)
facet = ContextForReceiver(self, key)
receiver = Receiver(
mode=mode,
audio_channels=self.__audio_manager.get_channels(),
device_name=self.source_name,
audio_destination=self.__audio_manager.get_default_destination(), # TODO match others
context=facet,
)
receiver.state_from_json(combined_state) # TODO: Use unserialize_exported_state
facet._receiver = receiver
self._receivers[key] = receiver
self._receiver_valid[key] = False
self.__needs_reconnect.append(u'added receiver ' + key)
self._do_connect()
# until _enabled, the facet ignores any reconnect/rebuild-triggering callbacks
facet._enabled = True
return (key, receiver)
