78 lines
1.9 KiB
Python
78 lines
1.9 KiB
Python
from pyo import *
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def list_output_devices():
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pa_list_devices()
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class Track:
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def __init__(self, audio):
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self.audio = audio
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self.playing = False
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def play(self):
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self.audio.out()
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self.playing = True
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def stop(self):
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self.audio.stop()
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self.playing = False
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def set_volume(self, volume):
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self.audio.setMul(volume)
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def set_frequency(self, frequency):
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self.audio.setFreq(frequency)
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class SoundProcessor:
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def __init__(self, backend='portaudio', output=None, channels=2, discrete=False):
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self.backend = backend
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self.discrete = discrete
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self.server = Server(audio=self.backend, jackname='theremin', winhost='theremin', nchnls=channels)
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self.audio_output = output or pa_get_default_output()
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self.server.setOutputDevice(self.audio_output)
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self.tracks = []
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def start(self):
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self.server.boot()
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self.server.start()
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def shutdown(self):
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self.stop()
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self.server.stop()
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self.server.shutdown()
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def add_track(self, audio):
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self.tracks.append(Track(audio))
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return len(self.tracks) - 1
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def remove_track(self, i):
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assert 0 <= i < len(self.tracks)
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return self.tracks.pop(i)
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def play(self, i):
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assert 0 <= i < len(self.tracks)
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self.tracks[i].play()
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def stop(self, i=None):
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if i is not None:
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assert 0 <= i < len(self.tracks)
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self.tracks[i].stop()
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else:
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for track in self.tracks:
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track.stop()
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def is_playing(self, i):
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assert 0 <= i < len(self.tracks)
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return self.tracks[i].playing
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def set_volume(self, i, volume):
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assert 0 <= i < len(self.tracks)
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self.tracks[i].set_volume(volume)
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def set_frequency(self, i, frequency):
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assert 0 <= i < len(self.tracks)
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self.tracks[i].set_frequency(frequency)
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