def __init__(self, messaging, settings):
self._pyaudio = pyaudio.PyAudio()
self.messaging = messaging
self.command_manager = CommandManager(self, messaging)
self._logger = logging.getLogger(__name__)
self._logger.info("Initializing PyAudio. ALSA/Jack error messages " +
"that pop up during this process are normal and " +
"can usually be safely ignored.")
# NOTE: pyaudio SPAMS the terminal, this seperates everything
print('\n')
self._logger.info("Initialization of PyAudio engine finished")
self.devices = {}
self.get_devices()
class PyAudio:
def __init__(self, messaging, settings):
self._pyaudio = pyaudio.PyAudio()
self.messaging = messaging
self.command_manager = CommandManager(self, messaging)
self._logger = logging.getLogger(__name__)
self._logger.info("Initializing PyAudio. ALSA/Jack error messages " +
"that pop up during this process are normal and " +
"can usually be safely ignored.")
# NOTE: pyaudio SPAMS the terminal, this seperates everything
print('\n')
self._logger.info("Initialization of PyAudio engine finished")
self.devices = {}
self.get_devices()
def __del__(self):
self._pyaudio.terminate()
def run(self):
messaging = self.messaging
# TODO: create better type here
startup_frame = create_vex_message('',
'microphone',
'STATUS',
status='recording')
messaging.publish_socket.send_multipart(startup_frame)
while True:
# NOTE: `frame` is a list of byte strings
# Once we recv here, MUST reply in order to loop again!
try:
frame = self.messaging.subscribe_socket.recv_multipart()
except KeyboardInterrupt:
break
msg = decode_vex_message(frame)
if msg.type == 'CMD':
self.command_manager.handle_command(msg)
def get_devices(self, device_type='all'):
num_devices = self._pyaudio.get_device_count()
self._logger.debug('Found %d PyAudio devices', num_devices)
for i in range(num_devices):
info = self._pyaudio.get_device_info_by_index(i)
name = info['name']
if name in self.devices:
continue
else:
self.devices[name] = PyAudioDevice(self, info)
return self.devices
"""
if device_type == plugin.audioengine.DEVICE_TYPE_ALL:
return devs
else:
return [device for device in devs if device_type in device.types]
"""
def invoke_device(self):
pass
def get_default_output_device(self):
info = self._pyaudio.get_default_output_device_info()
return PyAudioDevice(self, info)
def get_default_device(self, type='input'):
try:
info = self._pyaudio.get_default_input_device_info()
except IOError:
devices = self.get_devices(device_type=type)
if len(devices) == 0:
msg = 'No %s devices available!' % direction
self._logger.warning(msg)
raise plugin.audioengine.DeviceNotFound(msg)
try:
device = self.devices['default']
except KeyError:
self._logger.warning('default device not found')
# FIXME
device = None
return device
else:
return PyAudioDevice(self, info)
