def start(self):
# There is still a race condition here in that the directory can be removed
# before the PJSIP opens the file. There's nothing that can be done about
# it as long as PJSIP doesn't accept an already open file descriptor. -Luci
makedirs(os.path.dirname(self.filename))
self._recording_wave_file = RecordingWaveFile(self.mixer,
self.filename)
self._recording_wave_file.start()
notification_center = NotificationCenter()
notification_center.post_notification(
'AudioPortDidChangeSlots',
sender=self,
data=NotificationData(
consumer_slot_changed=True,
producer_slot_changed=False,
old_consumer_slot=None,
new_consumer_slot=self._recording_wave_file.slot))
