def create_audio_controller(self):
parser = cp.SafeConfigParser()
parser.read(AUDIO_CONFIG)
sampling_rate = parser.getint('AudioConfig', 'sampling_rate')
chunk_size = parser.getint('AudioConfig', 'chunk_size')
input_device = parser.getint('AudioConfig', 'input_device')
output_device = parser.getint('AudioConfig', 'output_device')
form = parser.get('AudioConfig', 'format')
try:
signal_dir = parser.get('AudioConfig', 'signal_dir')
except cp.NoOptionError:
signal_dir = None
if form == 'float32':
form = 1
elif form == 'int8':
form = 16
elif form == 'int16':
form = 8
elif form == 'int24':
form = 4
elif form == 'int32':
form = 2
else:
raise ValueError('Unknown format in audio.cfg')
self.audio_controller = AudioController(chunk_size=chunk_size,
sampling_rate=sampling_rate,
sample_format=form,
signal_dir=signal_dir)
self.audio_controller.set_input_device(input_device)
self.audio_controller.set_output_device(output_device)
