class MonophonicScaleSynth(Instrument):
def __init__(self, samplerate, buffer_size, scale):
Instrument.__init__(self)
self.scale = scale
self.oscillator = Oscilator(samplerate, buffer_size)
self.oscillator.start()
self._callback = self.oscillator.callback
def set_scale(self, scale):
self.scale = scale
def on(self, tone, time=0):
frequency = self.scale.get_frequency(tone)
self.oscillator.setFreq(frequency)
Instrument.on(self, tone, time=time)
def __str__(self):
return "MonophonicScaleSynth %s" % str(self.scale)
def __init__(self, samplerate, bufferSize):
Instrument.__init__(self)
Oscilator.__init__(self, samplerate, bufferSize)
Oscilator.start(self)
def _callback(self, in_data, frame_count, time_info, status):
output_buffer = Oscilator.callback(self, in_data, frame_count, time_info, status)
if not self.enabled:
output_buffer *= 0
return output_buffer
def __init__(self, samplerate, buffer_size, scale):
Instrument.__init__(self)
self.scale = scale
self.oscillator = Oscilator(samplerate, buffer_size)
self.oscillator.start()
self._callback = self.oscillator.callback