def test_conversions(self):
""" of frequencies to midi note numbers and ansi note names.
"""
from pygame.midi import (frequency_to_midi, midi_to_frequency,
midi_to_ansi_note)
self.assertEqual(frequency_to_midi(27.5), 21)
self.assertEqual(frequency_to_midi(36.7), 26)
self.assertEqual(frequency_to_midi(4186.0), 108)
self.assertEqual(midi_to_frequency(21), 27.5)
self.assertEqual(midi_to_frequency(26), 36.7)
self.assertEqual(midi_to_frequency(108), 4186.0)
self.assertEqual(midi_to_ansi_note(21), 'A0')
self.assertEqual(midi_to_ansi_note(102), 'F#7')
self.assertEqual(midi_to_ansi_note(108), 'C8')
def test_conversions(self):
"""of frequencies to midi note numbers and ansi note names."""
from pygame.midi import frequency_to_midi, midi_to_frequency, midi_to_ansi_note
self.assertEqual(frequency_to_midi(27.5), 21)
self.assertEqual(frequency_to_midi(36.7), 26)
self.assertEqual(frequency_to_midi(4186.0), 108)
self.assertEqual(midi_to_frequency(21), 27.5)
self.assertEqual(midi_to_frequency(26), 36.7)
self.assertEqual(midi_to_frequency(108), 4186.0)
self.assertEqual(midi_to_ansi_note(21), "A0")
self.assertEqual(midi_to_ansi_note(71), "B4")
self.assertEqual(midi_to_ansi_note(82), "A#5")
self.assertEqual(midi_to_ansi_note(83), "B5")
self.assertEqual(midi_to_ansi_note(93), "A6")
self.assertEqual(midi_to_ansi_note(94), "A#6")
self.assertEqual(midi_to_ansi_note(95), "B6")
self.assertEqual(midi_to_ansi_note(96), "C7")
self.assertEqual(midi_to_ansi_note(102), "F#7")
self.assertEqual(midi_to_ansi_note(108), "C8")
def update(self):
""" To be called in a pygame event loop.
"""
audios = []
while not self.audio_queue.empty():
# print('-----audio from queue')
# print(time.time() - time_start)
audio = self.audio_queue.get()
audios.append(audio)
if audios:
pg.event.post(pg.event.Event(AUDIOS, audios=audios))
onsets = []
while not self.oneset_queue.empty():
onsets.append(self.oneset_queue.get())
if onsets:
pg.event.post(pg.event.Event(ONSETS, onsets=onsets))
pitches = []
notes = []
frequencies = []
while not self.pitch_queue.empty():
# print("pitch, confidence", pitch, confidence, midi_to_ansi_note(pitch))
pitch = self.pitch_queue.get()
pitches.append(pitch)
notes.append(midi_to_ansi_note(pitch))
frequencies.append(midi_to_frequency(pitch))
if pitches:
pg.event.post(
pg.event.Event(PITCHES,
pitches=pitches,
notes=notes,
frequencies=frequencies))
