59 lines
1.5 KiB
Python
Executable File
59 lines
1.5 KiB
Python
Executable File
#!/usr/bin/python3
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import argparse
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parser = argparse.ArgumentParser(
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description='Acquire data and store a measurement file'
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)
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parser.add_argument('filename', type=str,
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help='File name to record to.'
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' Extension is automatically added.')
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parser.add_argument('--duration', '-d', type=float,
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help='The recording duration in [s]')
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device_help = 'DAQ Device to record from'
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parser.add_argument('--input-daq', '-i', help=device_help, type=str,
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default='Default')
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args = parser.parse_args()
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from lasp.lasp_avstream import AvStream, AvType
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from lasp.lasp_record import Recording
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from lasp.device import DAQConfiguration, RtAudio
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config = DAQConfiguration.loadConfigs()[args.input_daq]
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print(config)
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rtaudio = RtAudio()
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count = rtaudio.getDeviceCount()
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devices = [rtaudio.getDeviceInfo(i) for i in range(count)]
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input_devices = {}
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for device in devices:
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if device.inputchannels >= 0:
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input_devices[device.name] = device
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try:
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input_device = input_devices[config.input_device_name]
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except KeyError:
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raise RuntimeError(f'Input device {config.input_device_name} not available')
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print(input_device)
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stream = AvStream(input_device,
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AvType.audio_input,
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config)
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rec = Recording(args.filename, stream, args.duration)
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rec.start()
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print('Stopping stream...')
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stream.stop()
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print('Stream stopped')
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print('Closing stream...')
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stream.close()
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print('Stream closed')
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