74 lines
3.9 KiB
Python
Executable File
74 lines
3.9 KiB
Python
Executable File
import argparse
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import sys
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from .leap import list_leap_motions
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from .sound import list_output_devices
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from .sound.utils import midi_str_to_midi, midi_to_freq
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from .theremin import theremin
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def parse_args(args):
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parser = argparse.ArgumentParser(
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description='Theremin emulator through a Leap Motion device.\n\n' +
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'Make sure that your Leap Motion device is plugged in and\n' +
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'the leapd daemon is running before running it.\n\n' +
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'Fabio "BlackLight" Manganiello <blacklight86{a}gmail{d}com>\n',
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formatter_class=argparse.RawTextHelpFormatter)
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parser.add_argument('--list-audio-outputs', '-l', dest='list_audio_outputs', required=False,
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action='store_true', help='List the available audio output devices')
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parser.add_argument('--list-leap-motions', '-L', dest='list_leap_motions', required=False,
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action='store_true', help='List the available Leap Motion devices')
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parser.add_argument('--audio-output', '-o', dest='audio_output', required=False,
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type=int, help='Select an output audio device by index (see -l)')
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parser.add_argument('--audio-backend', '-b', dest='audio_backend', required=False, default='portaudio',
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help='Select the audio backend (default: portaudio). Supported: ' +
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'{"portaudio", "jack", "coreaudio"}')
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parser.add_argument('--channels', '-c', dest='channels', required=False, type=int, default=2,
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help='Number of audio channels (default: 2)')
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parser.add_argument('--discrete', '-d', dest='discrete', required=False, action='store_true',
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help='If set then discrete notes will be generated instead of samples over a continuous ' +
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'frequency space (default: false)')
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parser.add_argument('--left-handed', dest='left_handed', required=False, action='store_true',
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help='If set then the pitch control will be on the left hand and the volume control on the' +
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'right hand. Otherwise, the controls are inverted (default: false)')
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parser.add_argument('--generator', '-g', dest='generator', required=False,
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default='SineLoop', help='Wave generator to be used. See ' +
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'http://ajaxsoundstudio.com/pyodoc/api/classes/generators.html. ' +
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'Default: SineLoop')
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parser.add_argument('--min-frequency', dest='min_frequency', required=False, type=int, default=55,
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help='Minimum audio frequency (default: 55 Hz)')
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parser.add_argument('--max-frequency', dest='max_frequency', required=False, type=int, default=10000,
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help='Maximum audio frequency (default: 10 kHz)')
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parser.add_argument('--min-note', dest='min_note', required=False, type=str, default=None,
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help='Minimum MIDI note, as a string (e.g. A4)')
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parser.add_argument('--max-note', dest='max_note', required=False, type=str, default=None,
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help='Maximum MIDI note, as a string (e.g. A4)')
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opts, args = parser.parse_known_args(args)
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return opts, args
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def main(args=None):
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if not args:
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args = sys.argv[1:]
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opts, args = parse_args(args)
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if opts.list_audio_outputs:
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list_output_devices()
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return
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if opts.list_leap_motions:
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list_leap_motions()
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return
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if opts.min_note:
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opts.min_frequency = midi_to_freq(midi_str_to_midi(opts.min_note))
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if opts.max_note:
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opts.max_frequency = midi_to_freq(midi_str_to_midi(opts.max_note))
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theremin(wave=opts.generator, audio_backend=opts.audio_backend, discrete=opts.discrete,
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min_frequency=opts.min_frequency, max_frequency=opts.max_frequency, left_handed=opts.left_handed,
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audio_output=opts.audio_output, channels=opts.channels)
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