def test_note2midi_known_values_with_unicode_issues(self, note, midi):
" known values are correctly converted, unless decoding is expected to fail"
try:
self.assertEqual ( note2midi(note), midi )
except UnicodeEncodeError as e:
import sys
strfmt = "len(u'\\U0001D12A') != 1, excpected decoding failure | {:s} | {:s} {:s}"
strres = strfmt.format(e, sys.platform, sys.version)
# happens with: darwin 2.7.10, windows 2.7.12
if len('\U0001D12A') != 1 and sys.version[0] == '2':
self.skipTest(strres + " | upgrade to Python 3 to fix")
else:
raise
def test_note2midi_known_values_with_unicode_issues(self, note, midi):
" difficult values are correctly converted unless expected failure "
try:
assert note2midi(note) == midi
except UnicodeEncodeError as e:
# platforms with decoding failures include:
# - osx: python <= 2.7.10
# - win: python <= 2.7.12
import sys
strmsg = "len(u'\\U0001D12A') != 1, expected decoding failure"
strmsg += " | upgrade to Python 3 to fix"
strmsg += " | {:s} | {:s} {:s}"
if len('\U0001D12A') != 1 and sys.version[0] == '2':
skipTest(strmsg.format(repr(e), sys.platform, sys.version))
else:
raise
def test_note2midi_known_values_with_unicode_issues(self, note, midi):
" difficult values are correctly converted unless expected failure "
try:
assert note2midi(note) == midi
except UnicodeEncodeError as e:
# platforms with decoding failures include:
# - osx: python <= 2.7.10
# - win: python <= 2.7.12
import sys
strmsg = "len(u'\\U0001D12A') != 1, expected decoding failure"
strmsg += " | upgrade to Python 3 to fix"
strmsg += " | {:s} | {:s} {:s}"
if len('\U0001D12A') != 1 and sys.version[0] == '2':
skipTest(strmsg.format(repr(e), sys.platform, sys.version))
else:
raise
def GuessNominalFreqFromFileName(self):
'''tries to guess note frequency from the file name
'''
import aubio
import re
tokens = re.findall('([A-Ga-g][sS#bB+-]*\d+)', self.name)
try:
notename = re.sub('s', '#', tokens[0])
f = aubio.miditofreq(aubio.note2midi(notename))
except (ValueError, IndexError):
f = np.NaN
return f
def test_note2midi_known_values(self, note, midi):
" known values are correctly converted "
assert note2midi(note) == midi
def test_note2midi_known_values(self, note, midi):
" known values are correctly converted "
self.assertEqual ( note2midi(note), midi )
def test_note2midi_known_values(self, note, midi):
" known values are correctly converted "
assert note2midi(note) == midi
def test_note2midi_known_values(self):
" known values are correctly converted "
for note, midi in list_of_known_notes:
self.assertEqual ( note2midi(note), midi )
def test_note2midi_known_values(self):
" known values are correctly converted "
for note, midi in list_of_known_notes:
self.assertEqual(note2midi(note), midi)
# main loop
while True:
try:
# read data from audio input
_, data = recorder.read()
# convert data to aubio float samples
samples = np.fromstring(data, dtype=aubio.float_type)
#plt.plot(samples)
#plt.show()
if len(samples):
# pitch of current frame
freq = pitcher(samples)[0]
try:
note = aubio.freq2note(freq)
midi = aubio.note2midi(note)
volume = np.sum(samples**2) / len(samples)
vel = (volume - VOL_OFFSET) / (1 - VOL_OFFSET) * 112
if volume > VOL_OFFSET:
print("{:3} {}".format(note, volume))
if last_midi != midi:
midiout.send_message([0x90, midi, vel]) # note on
print("midi: " + str(midi))
last_midi = midi
elif volume < .6:
midiout.send_message([CONTROL_CHANGE, ALL_SOUND_OFF, 0])
last_midi = 0
except ValueError:
print("warn: ValueError")
except KeyboardInterrupt:
print("Ctrl+C pressed, exiting")