def checkFMajorScale(self, filename):
"""Verify MusicXML scale file.
Verify that it contains the correct pitches (sounding pitch) and durations.
Args:
filename: file to test.
"""
# Expected QuantizedSequence
# Sequence tuple = (midi_pitch, velocity, start_seconds, end_seconds)
expected_quantized_sequence = sequences_lib.QuantizedSequence()
expected_quantized_sequence.steps_per_quarter = self.steps_per_quarter
expected_quantized_sequence.qpm = 120.0
expected_quantized_sequence.time_signature = (
sequences_lib.QuantizedSequence.TimeSignature(numerator=4,
denominator=4))
testing_lib.add_quantized_track_to_sequence(
expected_quantized_sequence, 0,
[(65, 64, 0, 4), (67, 64, 4, 8), (69, 64, 8, 12), (70, 64, 12, 16),
(72, 64, 16, 20), (74, 64, 20, 24), (76, 64, 24, 28),
(77, 64, 28, 32)])
# Convert MusicXML to QuantizedSequence
source_musicxml = musicxml_parser.MusicXMLDocument(filename)
sequence_proto = musicxml_reader.musicxml_to_sequence_proto(
source_musicxml)
quantized = sequences_lib.QuantizedSequence()
quantized.from_note_sequence(sequence_proto, self.steps_per_quarter)
# Check equality
self.assertEqual(expected_quantized_sequence, quantized)
def checkFMajorScale(self, filename, part_name):
"""Verify MusicXML scale file.
Verify that it contains the correct pitches (sounding pitch) and durations.
Args:
filename: file to test.
part_name: name of the part the sequence is expected to contain.
"""
expected_ns = common_testing_lib.parse_test_proto(
music_pb2.NoteSequence,
"""
ticks_per_quarter: 220
source_info: {
source_type: SCORE_BASED
encoding_type: MUSIC_XML
parser: MAGENTA_MUSIC_XML
}
key_signatures {
key: F
time: 0
}
time_signatures {
numerator: 4
denominator: 4
}
tempos {
qpm: 120.0
}
total_time: 4.0
""")
part_info = expected_ns.part_infos.add()
part_info.name = part_name
expected_pitches = [65, 67, 69, 70, 72, 74, 76, 77]
time = 0
for pitch in expected_pitches:
note = expected_ns.notes.add()
note.part = 0
note.voice = 1
note.pitch = pitch
note.start_time = time
time += .5
note.end_time = time
note.velocity = 64
note.numerator = 1
note.denominator = 4
# Convert MusicXML to NoteSequence
source_musicxml = musicxml_parser.MusicXMLDocument(filename)
sequence_proto = musicxml_reader.musicxml_to_sequence_proto(source_musicxml)
# Check equality
self.assertProtoEquals(expected_ns, sequence_proto)
def emissionModelTrainer(self):
ALL_CHORD_LIST = ['N.C', 'C', 'Cm', 'C#', 'C#m', 'D', 'Dm', 'Eb', 'Ebm', 'E', 'Em', 'F', 'Fm', 'F#', 'F#m', 'G',
'Gm', 'G#', 'G#m', 'A', 'Am', 'A#', 'A#m', 'B', 'Bm']
Same_Chord = {'Db': 'C#', 'Dbm': 'C#m', 'D#': 'Eb', 'D#m': 'Ebm', 'Gb': 'F#', 'Gbm': 'F#m', 'Ab': 'G#',
'Abm': 'G#m', 'Bb': 'A#', 'Bbm': 'A#m'}
ALL_NOTE_LIST = ['C', 'C#', 'D', 'Eb', 'E', 'F', 'F#', 'G', 'G#', 'A', 'A#', 'B']
path = "D:\FAI\Wikifonia"
for file in glob.glob(path):
mxlObject = musicxml_parser.MusicXMLDocument(file)
mxlSequence = musicxml_reader.musicxml_to_sequence_proto(mxlObject)
quantizedNoteSequence = sequences_lib.quantize_note_sequence(mxlSequence, 1)
melodies, stats = melody_pipelines.extract_melodies(quantizedNoteSequence)
chord_prog, stats = chord_pipelines.extract_chords_for_melodies(quantizedNoteSequence, melodies)
if not chord_prog:
continue
for i in range(len(list(chord_prog[0]))):
curChord = list(chord_prog[0])[i]
curMel = list(melodies[0])[i]
while (curMel > 71):
curMel = curMel - 12
while (curMel < 60):
curMel = curMel + 12
curChord = re.sub(r'\d+', '', curChord)
curChord = curChord[:3]
if curChord not in 'N.C.':
if len(curChord) == 3 and curChord[2] not in 'm':
curChord = curChord[:2]
if curChord[1] not in ['#', 'b']:
curChord = curChord[:1]
if curChord in Same_Chord:
curChord = Same_Chord[curChord]
if curChord in 'Cb':
curChord = 'B'
if curChord in 'Fb':
curChord = 'E'
if curChord in 'Cbm':
curChord = 'D'
if curChord in 'Fbm':
curChord = 'Em'
a = ALL_CHORD_LIST.index(re.sub(r'\d+', '', curChord))
b = curMel
self.mo_matrix[a][b - 60] = self.mo_matrix[a][b - 60] + 1
normed_mo_matrix = normalize(self.mo_matrix, axis=1, norm='l1')
self.mo_matrix = normed_mo_matrix
def testcompressedxmltosequence(self):
"""Test the translation from compressed MusicXML to Sequence proto.
Compare a compressed MusicXML file to an identical uncompressed sequence.
"""
uncompressed_musicxml = musicxml_parser.MusicXMLDocument(
self.flute_scale_filename)
compressed_musicxml = musicxml_parser.MusicXMLDocument(
self.compressed_filename)
uncompressed_proto = musicxml_reader.musicxml_to_sequence_proto(
uncompressed_musicxml)
self.checkmusicxmlandsequence(compressed_musicxml, uncompressed_proto)
self.checkFMajorScale(self.flute_scale_filename, 'Flute')
def testtransposedxmltosequence(self):
"""Test the translation from transposed MusicXML to Sequence proto.
Compare a transposed MusicXML file (clarinet) to an identical untransposed
sequence (flute).
"""
untransposed_musicxml = musicxml_parser.MusicXMLDocument(
self.flute_scale_filename)
transposed_musicxml = musicxml_parser.MusicXMLDocument(
self.clarinet_scale_filename)
untransposed_proto = musicxml_reader.musicxml_to_sequence_proto(
untransposed_musicxml)
self.checkmusicxmlandsequence(transposed_musicxml, untransposed_proto)
self.checkFMajorScale(self.clarinet_scale_filename, 'Clarinet in Bb')
def testmultiplecompressedxmltosequence(self):
"""Test the translation from compressed MusicXML with multiple rootfiles.
The example MXL file contains a MusicXML file of the Flute F Major scale,
as well as the PNG rendering of the score contained within the single MXL
file.
"""
uncompressed_musicxml = musicxml_parser.MusicXMLDocument(
self.flute_scale_filename)
compressed_musicxml = musicxml_parser.MusicXMLDocument(
self.multiple_rootfile_compressed_filename)
uncompressed_proto = musicxml_reader.musicxml_to_sequence_proto(
uncompressed_musicxml)
self.checkmusicxmlandsequence(compressed_musicxml, uncompressed_proto)
self.checkFMajorScale(self.flute_scale_filename, 'Flute')
def cleanDataset(self):
path = "D:\FAI\Wikifonia"
count = 0
for file in glob.glob(path):
try:
mxlObject = musicxml_parser.MusicXMLDocument(file)
mxlSequence = musicxml_reader.musicxml_to_sequence_proto(mxlObject)
quantizedNoteSequence = sequences_lib.quantize_note_sequence(mxlSequence, 1)
chord_prog, stats = chord_pipelines.extract_chords(quantizedNoteSequence)
melodies, stats = melody_pipelines.extract_melodies(quantizedNoteSequence)
ac, stats = chord_pipelines.extract_chords_for_melodies(quantizedNoteSequence, melodies)
except:
os.remove(file)
print(file)
count = count + 1
def checkmusicxmltosequence(self, filename): """Test the translation from MusicXML to Sequence proto.""" source_musicxml = musicxml_parser.MusicXMLDocument(filename) sequence_proto = musicxml_reader.musicxml_to_sequence_proto(source_musicxml) self.checkmusicxmlandsequence(source_musicxml, sequence_proto)
def observationModelTrainer(self):
ALL_CHORD_LIST = [
'N.C', 'C', 'Cm', 'C#', 'C#m', 'D', 'Dm', 'Eb', 'Ebm', 'E', 'Em',
'F', 'Fm', 'F#', 'F#m', 'G', 'Gm', 'G#', 'G#m', 'A', 'Am', 'A#',
'A#m', 'B', 'Bm'
]
Same_Chord = {
'Db': 'C#',
'Dbm': 'C#m',
'D#': 'Eb',
'D#m': 'Ebm',
'Gb': 'F#',
'Gbm': 'F#m',
'Ab': 'G#',
'Abm': 'G#m',
'Bb': 'A#',
'Bbm': 'A#m'
}
path = "Wikifonia"
for file in glob.glob(path):
mxlObject = musicxml_parser.MusicXMLDocument(file)
mxlSequence = musicxml_reader.musicxml_to_sequence_proto(mxlObject)
quantizedNoteSequence = sequences_lib.quantize_note_sequence(
mxlSequence, 1)
chord_prog, stats = chord_pipelines.extract_chords(
quantizedNoteSequence)
previous = None
for chord in list(chord_prog[0]):
if previous is None:
previous = chord
continue
curChord = re.sub(r'\d+', '', chord)
prevChord = re.sub(r'\d+', '', previous)
curChord = curChord[:3]
prevChord = prevChord[:3]
if curChord != 'N.C':
if len(curChord) == 3 and curChord[2] != 'm':
curChord = curChord[:2]
if curChord[1] not in ['#', 'b']:
curChord = curChord[:1]
if prevChord != 'N.C':
if len(prevChord) == 3 and prevChord[2] != 'm':
prevChord = prevChord[:2]
if prevChord[1] not in ['#', 'b']:
prevChord = prevChord[:1]
if curChord in Same_Chord:
curChord = Same_Chord[curChord]
if prevChord in Same_Chord:
prevChord = Same_Chord[prevChord]
if curChord == 'Cb':
curChord = 'B'
if prevChord == 'Cb':
prevChord = 'B'
if curChord == 'Fb':
curChord = 'E'
if prevChord == 'Fb':
prevChord = 'E'
if curChord == 'Cbm':
curChord = 'D'
if prevChord == 'Cbm':
prevChord = 'D'
if curChord == 'Fbm':
curChord = 'Em'
if prevChord == 'Fbm':
prevChord = 'Em'
if prevChord != curChord:
a = ALL_CHORD_LIST.index(prevChord)
b = ALL_CHORD_LIST.index(curChord)
self.ct_matrix[a][b] = self.ct_matrix[a][b] + 1
previous = curChord
normed_ct_matrix = normalize(self.ct_matrix, axis=1, norm='l1')
self.ct_matrix = normed_ct_matrix
