lasp/scripts/lasp_record

#!/usr/bin/python3
import argparse



parser = argparse.ArgumentParser(
    description='Acquire data and store a measurement file'
)
parser.add_argument('filename', type=str,
                    help='File name to record to.'
                    ' Extension is automatically added.')
parser.add_argument('--duration', '-d', type=float,
                    help='The recording duration in [s]')

device_help = 'DAQ Device to record from'
parser.add_argument('--input-daq', '-i', help=device_help, type=str,
                    default='Default')

args = parser.parse_args()


from lasp.lasp_avstream import AvStream, AvType
from lasp.lasp_record import Recording
from lasp.device import DAQConfiguration, RtAudio

config = DAQConfiguration.loadConfigs()[args.input_daq]

print(config)
rtaudio = RtAudio()
count = rtaudio.getDeviceCount()
devices = [rtaudio.getDeviceInfo(i) for i in range(count)]

input_devices = {}
for device in devices:
    if device.inputchannels >= 0:
        input_devices[device.name] = device

try:
    input_device = input_devices[config.input_device_name]
except KeyError:
    raise RuntimeError(f'Input device {config.input_device_name} not available')

print(input_device)

stream = AvStream(input_device,
                  AvType.audio_input,
                  config)

rec = Recording(args.filename, stream, args.duration)
with rec:
    pass

print('Stopping stream...')
stream.stop()

print('Stream stopped')
print('Closing stream...')
stream.close()
print('Stream closed')