def play():
class Play(Program):
def __init__(self, commands: List[Command]):
super().__init__(commands)
self.sounds = []
def snd(self, x):
self.sounds.append(res := super().snd(x))
return res
p = Play(parse_data())
p.run()
print(p.sounds)
import simpleaudio as sa
from tones import SAWTOOTH_WAVE, SINE_WAVE, SQUARE_WAVE, TRIANGLE_WAVE
from tones.mixer import Mixer
mixer = Mixer(amplitude=.3)
name = 'track'
mixer.create_track(name, SAWTOOTH_WAVE, vibrato_frequency=None, vibrato_variance=3)
for s in p.sounds:
mixer.add_tone(name, s / 3, duration=.1)
bio = BytesIO()
mixer.write_wav(bio)
bio.seek(0)
wo = sa.WaveObject.from_wave_file(bio)
wo.play().wait_done()
def _generate_sample_data(parsed, amplitude, wavetype):
if wavetype not in [tones.SINE_WAVE, tones.SQUARE_WAVE]:
raise ValueError("Invalid wave type '%s'" % wavetype)
mixer = Mixer(SAMPLE_RATE, amplitude)
numchannels = 0
for i in range(len(parsed)):
mixer.create_track(i, wavetype=wavetype, attack=0.01, decay=0.01)
for i in range(len(parsed)):
for pitch, time in parsed[i]:
if pitch <= 0.0:
mixer.add_silence(i, duration=time)
else:
mixer.add_tone(i, frequency=pitch, duration=time)
return mixer.sample_data()