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)