def test_score_book_example(self):
score = Score()
catalogue = InstrumentCatalog.instance()
score.add_instrument_voice(
InstrumentVoice(catalogue.get_instrument("violin")))
score.tempo_sequence.add(TempoEvent(Tempo(60), Position(0)))
score.time_signature_sequence.add(
TimeSignatureEvent(TimeSignature(4, Duration(1, 4)), Position(0)))
violin_voice = score.get_instrument_voice("violin")[0]
note_1 = Note(DiatonicPitch(4, 'A'), Duration(1, 4))
note_2 = Note(DiatonicPitch(5, 'C'), Duration(1, 8))
note_3 = Note(DiatonicPitch(5, 'B'), Duration(1, 8))
note_4 = Note(DiatonicPitch(5, 'D'), Duration(1, 4))
note_5 = Note(DiatonicPitch(5, 'E'), Duration(1, 8))
note_6 = Note(DiatonicPitch(5, 'D'), Duration(1, 8))
note_7 = Note(DiatonicPitch(4, 'G'), Duration(1, 4))
note_8 = Note(DiatonicPitch(4, 'C'), Duration(1, 4))
line = Line(
[note_1, note_2, note_3, note_4, note_5, note_6, note_7, note_8])
violin_voice.voice(0).pin(line)
smc = ScoreToMidiConverter(score)
smc.create('book_example_midi_file.mid', True)
ScoreToMidiConverter.convert_line(line,
'line_example_midi_file.mid',
Tempo(90, Duration(1, 8)),
instrument_name='violin')
def test_book_example(self):
score = Score()
# set up 3 instrument voices: 2 violins, 1 trumpet, 1 clarinet
catalogue = InstrumentCatalog.instance()
score.add_instrument_voice(
InstrumentVoice(catalogue.get_instrument("violin"), 2))
score.add_instrument_voice(
InstrumentVoice(catalogue.get_instrument("trumpet")))
score.add_instrument_voice(
InstrumentVoice(catalogue.get_instrument("clarinet")))
# 1 beat == 1 sec, 3/4 TS + 60 beats per minute,
score.tempo_sequence.add(TempoEvent(Tempo(60), Position(0)))
score.time_signature_sequence.add(
TimeSignatureEvent(TimeSignature(3, Duration(1, 4)), Position(0)))
# set up some notes in the two violins
violin_voice = score.get_instrument_voice("violin")[0]
violin_voice.voice(0).pin(
Line([Note(DiatonicPitch(4, y), Duration(1, 8))
for y in 'afdecd']))
violin_voice.voice(0).pin(
Line([Note(DiatonicPitch(4, y), Duration(1, 4)) for y in 'cdc']))
def test_add_notes_to_line(self):
c = InstrumentCatalog.instance()
violin = c.get_instrument("violin")
note0 = Note(DiatonicPitch(4, 'a'), Duration(1, 8))
note1 = Note(DiatonicPitch(4, 'b'), Duration(1, 8))
note2 = Note(DiatonicPitch(4, 'c'), Duration(1, 8))
note3 = Note(DiatonicPitch(4, 'd'), Duration(1, 8))
line = Line()
line.pin(note0, Offset(1, 4))
line.pin(note1, Offset(3, 8))
line.pin(note2, Offset(1, 2))
line.pin(note3, Offset(5, 8))
voice = Voice(violin)
voice.pin(line, Offset(0))
notee0 = Note(DiatonicPitch(5, 'a'), Duration(1, 8))
notee1 = Note(DiatonicPitch(5, 'b'), Duration(1, 8))
line.pin([notee0, notee1], Offset(3, 4))
notes = voice.get_notes_starting_in_interval(
Interval(Position(5, 8), Position(2, 1)))
assert len(notes) == 3
assert TestVoice.has_pitch(notes, DiatonicPitch.parse('D:4'))
assert TestVoice.has_pitch(notes, DiatonicPitch.parse('A:5'))
assert TestVoice.has_pitch(notes, DiatonicPitch.parse('B:5'))
def test_adding_notes(self):
score = Score()
# set up 3 instrument voices: 2 violins, 1 trumpet, 1 clarinet
catalogue = InstrumentCatalog.instance()
score.add_instrument_voice(
InstrumentVoice(catalogue.get_instrument("violin"), 2))
# 1 beat == 1 sec, 3/4 TS + 60 beats per minute,
score.tempo_sequence.add(TempoEvent(Tempo(60), Position(0)))
score.time_signature_sequence.add(
TimeSignatureEvent(TimeSignature(3, Duration(1, 4)), Position(0)))
violin_voice = score.get_instrument_voice("violin")[0]
line = Line([Note(DiatonicPitch(4, y), Duration(1, 8)) for y in 'afd'])
violin_voice.voice(0).pin(line)
notes = violin_voice.get_all_notes()
for n in notes:
print(n)
line.append(Note(DiatonicPitch(4, 'g'), Duration(1, 8)))
notes = violin_voice.get_all_notes()
for n in notes:
print(n)
def test_basic_setup(self):
c = InstrumentCatalog.instance()
score = Score()
violin = c.get_instrument("violin")
violin_instrument_voice = InstrumentVoice(violin, 5)
score.add_instrument_voice(violin_instrument_voice)
trumpet = c.get_instrument("trumpet")
trumpet_instrument_voice = InstrumentVoice(trumpet)
score.add_instrument_voice(trumpet_instrument_voice)
clarinet = c.get_instrument("clarinet")
clarinet_instrument_voice = InstrumentVoice(clarinet)
score.add_instrument_voice(clarinet_instrument_voice)
voices = score.instrument_voices
assert len(voices) == 3
classes = score.instrument_classes
assert len(classes) == 3
assert TestScore.has_class(classes, 'strings')
assert TestScore.has_class(classes, 'woodwinds')
assert TestScore.has_class(classes, 'brass')
score.remove_instrument_voice(trumpet_instrument_voice)
classes = score.instrument_classes
assert len(classes) == 2
assert TestScore.has_class(classes, 'strings')
assert TestScore.has_class(classes, 'woodwinds')
def convert_line(line,
tempo=Tempo(60, Duration(1, 4)),
time_signature=TimeSignature(4, Duration(1, 4)),
channel_assignments=None,
fps=42100):
"""
Static method to convert a Line to a midi file
Args:
:param line: Class Line object
:param tempo: Tempo for playback, default is 60 BPM tempo beat = quarter note
:param time_signature: TimeSiganture on playback, default is 4 quarter notes
:param channel_assignments:
:param fps: frames per second setting
"""
score = Score()
tempo_sequence = score.tempo_sequence
tempo_sequence.add(TempoEvent(tempo, Position(0)))
ts_sequence = score.time_signature_sequence
ts_sequence.add(TimeSignatureEvent(time_signature, Position(0)))
c = InstrumentCatalog.instance()
piano = c.get_instrument("piano")
piano_instrument_voice = InstrumentVoice(piano, 1)
piano_voice = piano_instrument_voice.voice(0)
piano_voice.pin(line, Offset(0))
score.add_instrument_voice(piano_instrument_voice)
return ScoreToVstMidiConverter.convert_score(score,
channel_assignments, fps)
def test_overlap_vs_start(self):
c = InstrumentCatalog.instance()
violin = c.get_instrument("violin")
note0 = Note(DiatonicPitch(4, 'a'), Duration(1, 8))
note1 = Note(DiatonicPitch(4, 'b'), Duration(1, 8))
note2 = Note(DiatonicPitch(4, 'c'), Duration(1, 8))
note3 = Note(DiatonicPitch(4, 'd'), Duration(1, 8))
line = Line()
line.pin(note0, Offset(1, 4))
line.pin(note1, Offset(3, 8))
line.pin(note2, Offset(1, 2))
line.pin(note3, Offset(5, 8))
voice = Voice(violin)
voice.pin(line, Offset(0))
interval = Interval(Position(5, 16), Position(5, 8))
notes = voice.get_notes_by_interval(interval)
assert len(notes) == 3
assert TestVoice.has_pitch(notes, DiatonicPitch.parse('A:4'))
assert TestVoice.has_pitch(notes, DiatonicPitch.parse('B:4'))
assert TestVoice.has_pitch(notes, DiatonicPitch.parse('C:4'))
notes = voice.get_notes_starting_in_interval(interval)
assert len(notes) == 2
assert TestVoice.has_pitch(notes, DiatonicPitch.parse('B:4'))
assert TestVoice.has_pitch(notes, DiatonicPitch.parse('C:4'))
notee0 = Note(DiatonicPitch(5, 'a'), Duration(1, 2))
notee1 = Note(DiatonicPitch(5, 'b'), Duration(1, 2))
line1 = Line()
line1.pin([notee0, notee1], Offset(0))
voice.pin(line1, Offset(1, 4))
notes = voice.get_notes_by_interval(interval)
assert len(notes) == 4
assert TestVoice.has_pitch(notes, DiatonicPitch.parse('A:4'))
assert TestVoice.has_pitch(notes, DiatonicPitch.parse('B:4'))
assert TestVoice.has_pitch(notes, DiatonicPitch.parse('C:4'))
assert TestVoice.has_pitch(notes, DiatonicPitch.parse('A:5'))
notes = voice.get_notes_by_interval(interval, line1)
assert len(notes) == 1
assert TestVoice.has_pitch(notes, DiatonicPitch.parse('A:5'))
notes = voice.get_notes_starting_in_interval(interval)
assert len(notes) == 2
assert TestVoice.has_pitch(notes, DiatonicPitch.parse('B:4'))
assert TestVoice.has_pitch(notes, DiatonicPitch.parse('C:4'))
notes = voice.get_notes_starting_in_interval(
Interval(Position(1, 8), Position(3, 8)), line1)
assert len(notes) == 1
assert TestVoice.has_pitch(notes, DiatonicPitch.parse('A:5'))
def test_using_syntax(self):
line, hct = LineGrammarExecutor().parse(
'{<C-Major:I> C:4 [E:5 F [G:4 A B A] B]}')
lite_score = LiteScore(
line, hct,
InstrumentCatalog.instance().get_instrument("violin"))
print(lite_score.line)
def test_articulations(self):
c = InstrumentCatalog.instance()
inst = c.get_instrument("vIOlin")
articulations = inst.get_articulations()
for artic in articulations:
print(artic.name)
assert 'Arco' in [a.name for a in articulations]
assert 'Legato' in [a.name for a in articulations]
def create_score_1(line, hct, instrument, ts):
tempo_seq = TempoEventSequence()
ts_seq = EventSequence()
tempo_seq.add(TempoEvent(Tempo(60, Duration(1, 4)), Position(0)))
ts_seq.add(TimeSignatureEvent(TimeSignature(ts[0], Duration(1, ts[1]), ts[2]), Position(0)))
c = InstrumentCatalog.instance()
instrument = c.get_instrument(instrument)
return LiteScore(line, hct, instrument, tempo_seq, ts_seq)
def test_tempo_change(self):
c = InstrumentCatalog.instance()
score = Score()
score.time_signature_sequence.add(
TimeSignatureEvent(TimeSignature(3, Duration(1, 4)), Position(0)))
score.tempo_sequence.add(
TempoEvent(Tempo(120, Duration(1, 4)), Position(0)))
score.tempo_sequence.add(
TempoEvent(Tempo(60, Duration(1, 4)), Position(1)))
score.tempo_sequence.add(
TempoEvent(Tempo(30, Duration(1, 4)), Position(2)))
violin = c.get_instrument("violin")
violin_instrument_voice = InstrumentVoice(violin, 1)
violin_voice_0 = violin_instrument_voice.voice(0)
assert violin_voice_0
score.add_instrument_voice(violin_instrument_voice)
violin_voice_0.dynamics_sequence.add(
DynamicsEvent(Dynamics(Dynamics.F), Position(0)))
# Add notes to the score
vnote0 = Note(DiatonicPitch(4, 'a'), Duration(1, 4))
vnote1 = Note(DiatonicPitch(4, 'b'), Duration(1, 4))
vnote2 = Note(DiatonicPitch(5, 'c'), Duration(1, 4))
vnote3 = Note(DiatonicPitch(5, 'd'), Duration(1, 4))
vnote4 = Note(DiatonicPitch(4, 'a'), Duration(1, 4))
vnote5 = Note(DiatonicPitch(4, 'b'), Duration(1, 4))
vnote6 = Note(DiatonicPitch(5, 'c'), Duration(1, 4))
vnote7 = Note(DiatonicPitch(5, 'd'), Duration(1, 4))
vnote8 = Note(DiatonicPitch(4, 'a'), Duration(1, 4))
vnote9 = Note(DiatonicPitch(4, 'b'), Duration(1, 4))
vnote10 = Note(DiatonicPitch(5, 'c'), Duration(1, 4))
vnote11 = Note(DiatonicPitch(5, 'd'), Duration(1, 4))
# Set up a violin voice with 6 8th notes
vline_0 = Line([
vnote0, vnote1, vnote2, vnote3, vnote4, vnote5, vnote6, vnote7,
vnote8, vnote9, vnote10, vnote11
])
violin_voice_0.pin(vline_0)
# Set up a violin voice with 6 8th notes
vline_1 = Line([vnote0, vnote1, vnote2, vnote3])
violin_voice_0.pin(vline_1)
smc = ScoreToMidiConverter(score)
smc.create('score_tempo_change_file.mid')
TestScoreToMidiConverter.read_midi_file('score_tempo_change_file.mid')
def test_basic_setup(self):
c = InstrumentCatalog.instance()
violin = c.get_instrument("violin")
# Add notes to the score
vnote0 = Note(DiatonicPitch(4, 'a'), Duration(1, 8))
vnote1 = Note(DiatonicPitch(4, 'b'), Duration(1, 8))
vnote2 = Note(DiatonicPitch(4, 'c'), Duration(1, 8))
vnote3 = Note(DiatonicPitch(4, 'd'), Duration(1, 8))
vnote4 = Note(DiatonicPitch(4, 'e'), Duration(1, 8))
vnote5 = Note(DiatonicPitch(4, 'f'), Duration(1, 8))
# Set up a violin voice with 6 8th notes
vline = Line([vnote0, vnote1, vnote2, vnote3, vnote4, vnote5])
tempo_seq = TempoEventSequence()
ts_seq = EventSequence()
tempo_seq.add(TempoEvent(Tempo(60), Position(0)))
ts_seq.add(
TimeSignatureEvent(TimeSignature(3, Duration(1, 4), 'sww'),
Position(0)))
hc_track = HarmonicContextTrack()
diatonic_tonality = Tonality.create(ModalityType.Major,
DiatonicTone("C"))
chord_t = TertianChordTemplate.parse('tIV')
chord = chord_t.create_chord(diatonic_tonality)
hc_track.append(HarmonicContext(diatonic_tonality, chord, Duration(2)))
score = LiteScore(vline, hc_track, violin, tempo_seq, ts_seq)
bp = score.beat_position(Position(0))
print(bp)
assert bp.beat_number == 0
bp = score.beat_position(Position(5, 8))
print(bp)
assert bp.measure_number == 0
assert bp.beat_number == Fraction(5, 2)
assert int(bp.beat_number) == 2
assert bp.beat_number - bp.beat == Fraction(1, 2)
tse = score.time_signature_sequence.floor_event(Position(5, 8))
assert tse is not None
print(tse.object.beat_type(bp.beat))
assert tse.object.beat_type(bp.beat) == BeatType.Weak
assert bp.beat_fraction == Fraction(1, 2)
bp = score.beat_position(Position(1, 16))
print(bp)
tse = score.time_signature_sequence.floor_event(Position(1, 16))
print(tse.object.beat_type(bp.beat))
assert tse.object.beat_type(bp.beat) == BeatType.Strong
def test_transpose(self):
c = InstrumentCatalog.instance()
instf = c.get_instruments("Clarinet")
bflatclarinet = None
for inst in instf:
if inst.key == 'Bb':
bflatclarinet = inst
break
assert bflatclarinet is not None
interval = Interval.create_interval(bflatclarinet.sounding_high,
bflatclarinet.written_high)
assert interval.interval_type == IntervalType.Major
assert interval.diatonic_distance == 1
def create_score(line_expression, instrument, ts):
lge = LineGrammarExecutor()
source_instance_line, source_instance_hct = lge.parse(line_expression)
tempo_seq = TempoEventSequence()
ts_seq = EventSequence()
tempo_seq.add(TempoEvent(Tempo(60, Duration(1, 4)), Position(0)))
ts_seq.add(TimeSignatureEvent(TimeSignature(ts[0], Duration(1, ts[1]), ts[2]), Position(0)))
c = InstrumentCatalog.instance()
instrument = c.get_instrument(instrument)
return LiteScore(source_instance_line, source_instance_hct, instrument, tempo_seq, ts_seq)
def test_multi_track(self):
c = InstrumentCatalog.instance()
score = Score()
score.time_signature_sequence.add(
TimeSignatureEvent(TimeSignature(3, Duration(1, 4)), Position(0)))
score.tempo_sequence.add(
TempoEvent(Tempo(60, Duration(1, 4)), Position(0)))
violin = c.get_instrument("violin")
piano = c.get_instrument("piano")
note0 = Note(DiatonicPitch(4, 'a'), Duration(1, 4))
note1 = Note(DiatonicPitch(4, 'b'), Duration(1, 4))
note2 = Note(DiatonicPitch(4, 'c'), Duration(1, 4))
note3 = Note(DiatonicPitch(4, 'd'), Duration(1, 4))
note4 = Note(DiatonicPitch(5, 'g'), Duration(1, 4))
note5 = Note(DiatonicPitch(5, 'f'), Duration(1, 4))
note6 = Note(DiatonicPitch(5, 'e'), Duration(1, 4))
note7 = Note(DiatonicPitch(5, 'd'), Duration(1, 4))
violin_instrument_voice = InstrumentVoice(violin, 1)
violin_voice = violin_instrument_voice.voice(0)
assert violin_voice
vline = Line([note0, note1, note2, note3])
violin_voice.pin(vline)
score.add_instrument_voice(violin_instrument_voice)
piano_instrument_voice = InstrumentVoice(piano, 1)
piano_voice = piano_instrument_voice.voice(0)
assert piano_voice
pline = Line([note4, note5, note6, note7])
piano_voice.pin(pline, Offset(1, 8))
score.add_instrument_voice(piano_instrument_voice)
violin_voice.dynamics_sequence.add(
DynamicsEvent(Dynamics(Dynamics.F), Position(0)))
piano_voice.dynamics_sequence.add(
DynamicsEvent(Dynamics(Dynamics.P), Position(0)))
smc = ScoreToMidiConverter(score)
smc.create('score_multi_trackoutput_file.mid')
TestScoreToMidiConverter.read_midi_file(
'score_multi_trackoutput_file.mid')
def create_score(s_notes, modality, key_tone, chords, instrument, ts):
diatonic_tonality = Tonality.create(modality, DiatonicToneCache.get_tone(key_tone))
hc_track = TestTReshape.create_track(chords, diatonic_tonality)
tempo_seq = TempoEventSequence()
ts_seq = EventSequence()
tempo_seq.add(TempoEvent(Tempo(60, Duration(1, 4)), Position(0)))
ts_seq.add(TimeSignatureEvent(TimeSignature(ts[0], Duration(1, ts[1]), ts[2]), Position(0)))
c = InstrumentCatalog.instance()
violin = c.get_instrument(instrument)
return LiteScore(TestTReshape.create_line(s_notes), hc_track, violin, tempo_seq, ts_seq)
def create_score(grammar_str, instrument, ts):
lge = LineGrammarExecutor()
target_line, target_hct = lge.parse(grammar_str)
tempo_seq = TempoEventSequence()
ts_seq = EventSequence()
tempo_seq.add(TempoEvent(Tempo(60, Duration(1, 4)), Position(0)))
ts_seq.add(
TimeSignatureEvent(TimeSignature(ts[0], Duration(1, ts[1]), ts[2]),
Position(0)))
c = InstrumentCatalog.instance()
violin = c.get_instrument(instrument)
return LiteScore(target_line, target_hct, violin, tempo_seq, ts_seq)
def test_two_voices(self):
print('test two voices')
c = InstrumentCatalog.instance()
violin = c.get_instrument("violin")
note0 = Note(DiatonicPitch(4, 'a'), Duration(1, 8))
note1 = Note(DiatonicPitch(4, 'b'), Duration(1, 8))
note2 = Note(DiatonicPitch(4, 'c'), Duration(1, 8))
tuplet = Tuplet(Duration(1, 8), 2, [note0, note1, note2])
note3 = Note(DiatonicPitch(4, 'd'), Duration(1, 8))
note4 = Note(DiatonicPitch(4, 'e'), Duration(1, 8))
subbeam = Beam([note3, note4])
beam = Beam(subbeam)
line1 = Line([tuplet, beam])
print(line1)
notee0 = Note(DiatonicPitch(5, 'a'), Duration(1, 8))
notee1 = Note(DiatonicPitch(5, 'b'), Duration(1, 8), 1)
notee2 = Note(DiatonicPitch(5, 'c'), Duration(1, 8))
notee3 = Note(DiatonicPitch(5, 'd'), Duration(1, 16))
line2 = Line([notee0, notee1, notee2])
line2.pin(notee3, Offset(1, 2))
print(line2)
voice = Voice(violin)
voice.pin(line1, Offset(1, 4))
voice.pin(line2, Offset(0, 1))
print(voice)
interval = Interval(Position(1, 2), Position(1))
notes = voice.get_notes_by_interval(interval)
assert len(notes) == 3
assert TestVoice.has_pitch(notes, DiatonicPitch.parse('D:4'))
assert TestVoice.has_pitch(notes, DiatonicPitch.parse('E:4'))
assert TestVoice.has_pitch(notes, DiatonicPitch.parse('D:5'))
interval = Interval(Position(1, 4), Position(7, 16))
notes = voice.get_notes_by_interval(interval)
assert len(notes) == 5
assert TestVoice.has_pitch(notes, DiatonicPitch.parse('A:4'))
assert TestVoice.has_pitch(notes, DiatonicPitch.parse('B:4'))
assert TestVoice.has_pitch(notes, DiatonicPitch.parse('C:4'))
assert TestVoice.has_pitch(notes, DiatonicPitch.parse('B:5'))
assert TestVoice.has_pitch(notes, DiatonicPitch.parse('C:5'))
def test_score_convert(self):
c = InstrumentCatalog.instance()
score = Score()
score.time_signature_sequence.add(
TimeSignatureEvent(TimeSignature(3, Duration(1, 4)), Position(0)))
score.tempo_sequence.add(
TempoEvent(Tempo(60, Duration(1, 4)), Position(0)))
violin = c.get_instrument("violin")
violin_instrument_voice = InstrumentVoice(violin, 2)
violin_voice_0 = violin_instrument_voice.voice(0)
violin_voice_1 = violin_instrument_voice.voice(1)
assert violin_voice_0
assert violin_voice_1
score.add_instrument_voice(violin_instrument_voice)
violin_voice_0.dynamics_sequence.add(
DynamicsEvent(Dynamics(Dynamics.P), Position(0)))
violin_voice_0.dynamics_sequence.add(
DynamicsEvent(Dynamics(Dynamics.FFF), Position(1, 4)))
violin_voice_1.dynamics_sequence.add(
DynamicsEvent(Dynamics(Dynamics.P), Position(0)))
violin_voice_1.dynamics_sequence.add(
DynamicsEvent(Dynamics(Dynamics.FFF), Position(1, 4)))
# Add notes to the score
vnote0 = Note(DiatonicPitch(4, 'a'), Duration(1, 8))
vnote1 = Note(DiatonicPitch(4, 'b'), Duration(1, 8))
vnote2 = Note(DiatonicPitch(5, 'c'), Duration(1, 8))
vnote3 = Note(DiatonicPitch(4, 'd'), Duration(1, 8))
vnote4 = Note(DiatonicPitch(4, 'e'), Duration(1, 8))
vnote5 = Note(DiatonicPitch(4, 'f'), Duration(1, 8))
# Set up a violin voice with 6 8th notes
vline_0 = Line([vnote0, vnote1, vnote2])
violin_voice_0.pin(vline_0)
# Set up a violin voice with 6 8th notes
vline_1 = Line([vnote3, vnote4, vnote5])
violin_voice_1.pin(vline_1)
smc = ScoreToMidiConverter(score)
smc.create('score_output_file.mid')
TestScoreToMidiConverter.read_midi_file('score_output_file.mid')
def test_dynamic_volume(self):
c = InstrumentCatalog.instance()
score = Score()
score.time_signature_sequence.add(
TimeSignatureEvent(TimeSignature(3, Duration(1, 4)), Position(0)))
score.tempo_sequence.add(
TempoEvent(Tempo(60, Duration(1, 4)), Position(0)))
violin = c.get_instrument("violin")
note0 = Note(DiatonicPitch(4, 'a'), Duration(3, 2))
note1 = Note(DiatonicPitch(4, 'b'), Duration(1, 2))
note2 = Note(DiatonicPitch(5, 'c'), Duration(1, 2))
note3 = Note(DiatonicPitch(5, 'd'), Duration(1, 4))
note4 = Note(DiatonicPitch(5, 'g'), Duration(1, 4))
note5 = Note(DiatonicPitch(5, 'f'), Duration(1, 4))
note6 = Note(DiatonicPitch(5, 'e'), Duration(1, 4))
note7 = Note(DiatonicPitch(5, 'd'), Duration(1, 4))
violin_instrument_voice = InstrumentVoice(violin, 1)
violin_voice = violin_instrument_voice.voice(0)
assert violin_voice
vline = Line([note0, note1, note2, note3, note4, note5, note6, note7])
violin_voice.pin(vline)
score.add_instrument_voice(violin_instrument_voice)
# create a crescendo
v_low = Dynamics.PPP.velocity
v_hi = Dynamics.FFFF.velocity
array = [(Position(0), v_low), (Position(3, 2), v_hi)]
f = PiecewiseLinearFunction(array)
event1 = DynamicsFunctionEvent(f, Position(0))
violin_voice.dynamics_sequence.add(event1)
smc = ScoreToMidiConverter(score)
smc.create('score_vary_volume_file.mid')
TestScoreToMidiConverter.read_midi_file('score_vary_volume_file.mid')
def build_vst_midi_list():
"""
:return:
"""
c = InstrumentCatalog.instance()
# Add notes to the score
vnote0 = Note(DiatonicPitch(4, 'a'), Duration(1, 8))
vnote1 = Note(DiatonicPitch(4, 'b'), Duration(1, 8))
vnote2 = Note(DiatonicPitch(4, 'c'), Duration(1, 8))
vnote3 = Note(DiatonicPitch(4, 'd'), Duration(1, 8))
vnote4 = Note(DiatonicPitch(4, 'e'), Duration(1, 8))
vnote5 = Note(DiatonicPitch(4, 'f'), Duration(1, 8))
# Set up a violin voice with 6 8th notes
vline = Line([vnote0, vnote1, vnote2, vnote3, vnote4, vnote5])
tempo_seq = TempoEventSequence()
ts_seq = EventSequence()
tempo_seq.add(TempoEvent(Tempo(60), Position(0)))
ts_seq.add(
TimeSignatureEvent(TimeSignature(3, Duration(1, 4), 'sww'),
Position(0)))
hc_track = HarmonicContextTrack()
diatonic_tonality = Tonality.create(ModalityType.Major, DiatonicTone("C"))
chord_t = TertianChordTemplate.parse('tIV')
chord = chord_t.create_chord(diatonic_tonality)
hc_track.append(HarmonicContext(diatonic_tonality, chord, Duration(2)))
score = Score()
score.tempo_sequence.add(TempoEvent(Tempo(60), Position(0)))
score.time_signature_sequence.add(
TimeSignatureEvent(TimeSignature(3, Duration(1, 4)), Position(0)))
violin = c.get_instrument("violin")
violin_instrument_voice = InstrumentVoice(violin, 1)
score.add_instrument_voice(violin_instrument_voice)
violin_instrument_voice.voice(0).pin(vline)
return ScoreToVstMidiConverter.convert_score(score, {0: 0}), score
def test_inst_maps(self):
c = InstrumentCatalog.instance()
inst = c.get_instrument("vIOlin")
assert inst is not None
assert inst.name.startswith('Violin')
print(inst)
instf = c.get_instruments("vIOLin")
assert instf is not None
assert len(instf) >= 1
assert instf[0].name.startswith('Violin')
print('[{0}]'.format(','.join(str(s) for s in instf)))
instf = c.get_instruments("Clarinet")
assert instf is not None
assert len(instf) > 1
assert instf[0].name.startswith('Clarinet')
print('[{0}]'.format(', '.join(str(inst) for inst in instf)))
def test_variable_tempo_change(self):
c = InstrumentCatalog.instance()
score = Score()
violin = c.get_instrument("violin")
violin_instrument_voice = InstrumentVoice(violin, 1)
violin_voice = violin_instrument_voice.voice(0)
assert violin_voice
score.add_instrument_voice(violin_instrument_voice)
score.time_signature_sequence.add(
TimeSignatureEvent(TimeSignature(3, Duration(1, 4)), Position(0)))
score.tempo_sequence.add(
TempoEvent(Tempo(60, Duration(1, 4)), Position(0)))
t_low = 60
t_hi = 250
array = [(Position(0), t_low), (Position(1), t_hi),
(Position(2), t_hi), (Position(3), t_low)]
f = PiecewiseLinearFunction(array)
event1 = TempoFunctionEvent(f, Position(1))
score.tempo_sequence.add(event1)
score.tempo_sequence.add(
TempoEvent(Tempo(t_low, Duration(1, 4)), Position(4)))
# create notes
notes = []
for _ in range(0, 6):
notes.append(Note(DiatonicPitch(4, 'c'), Duration(1, 4)))
notes.append(Note(DiatonicPitch(4, 'd'), Duration(1, 4)))
notes.append(Note(DiatonicPitch(4, 'e'), Duration(1, 4)))
notes.append(Note(DiatonicPitch(4, 'f'), Duration(1, 4)))
vline = Line(notes)
violin_voice.pin(vline)
smc = ScoreToMidiConverter(score)
smc.create('score_var_tempo_change_file.mid')
TestScoreToMidiConverter.read_midi_file(
'score_var_tempo_change_file.mid')
def test_add_notes_to_tuplet(self):
c = InstrumentCatalog.instance()
violin = c.get_instrument("violin")
note0 = Note(DiatonicPitch(4, 'a'), Duration(1, 8))
note1 = Note(DiatonicPitch(4, 'b'), Duration(1, 8))
note2 = Note(DiatonicPitch(4, 'c'), Duration(1, 8))
note3 = Note(DiatonicPitch(4, 'd'), Duration(1, 8))
beam = Beam([note0, note1])
line = Line()
line.pin(beam, Offset(1, 2))
voice = Voice(violin)
voice.pin(line, Offset(0))
tuplet = Tuplet(Duration(1, 8), 3, [note2, note3])
beam.append(tuplet)
notee0 = Note(DiatonicPitch(5, 'a'), Duration(1, 8))
tuplet.append(notee0)
print(voice)
notes = voice.get_notes_starting_in_interval(
Interval(Position(1, 2), Position(5, 4)))
assert len(notes) == 5
assert TestVoice.has_pitch(notes, DiatonicPitch.parse('A:5'))
beam_prime = beam.clone()
notes = beam_prime.get_all_notes()
AbstractNote.print_structure(beam_prime)
assert notes[0].duration == Duration(1, 8)
assert str(notes[0].diatonic_pitch) == 'A:4'
line_prime = line.clone()
notes = line_prime.get_all_notes()
AbstractNote.print_structure(line_prime)
assert notes[0].duration == Duration(1, 8)
assert str(notes[0].diatonic_pitch) == 'A:4'
assert notes[2].duration == Duration(1, 8)
assert str(notes[2].diatonic_pitch) == 'C:4'
def test_single_voice(self):
print('test single voice')
note0 = Note(DiatonicPitch(4, 'c'), Duration(1, 8))
note1 = Note(DiatonicPitch(4, 'd'), Duration(1, 8), 1)
note2 = Note(DiatonicPitch(4, 'e'), Duration(1, 16))
beam = Beam([note0, note1, note2])
print(beam)
assert beam.cardinality() == 3
line = Line(beam)
assert line.length() == Duration(3, 8)
c = InstrumentCatalog.instance()
violin = c.get_instrument("violin")
voice = Voice(violin)
voice.pin(line, Offset(3, 4))
coverage = voice.coverage()
print('Coverage = {0}'.format(coverage))
assert coverage.lower == Position(3, 4)
assert coverage.upper == Position(9, 8)
assert voice.length() == Duration(9, 8)
interval = Interval(Position(15, 16), Position(9, 8))
notes = voice.get_notes_by_interval(interval)
print(', '.join([str(n) for n in notes]))
for n in notes:
intvl = TestVoice.compute_note_interval(n)
print('{0} intersect {1} = {2}'.format(
intvl, interval, intvl.intersection(interval)))
assert len(notes) == 2
print(notes[0].get_absolute_position(),
notes[1].get_absolute_position())
assert TestVoice.has_pitch(notes, DiatonicPitch.parse('D:4'))
assert TestVoice.has_pitch(notes, DiatonicPitch.parse('E:4'))
def test_add_notes_to_two_level_line(self):
score = Score()
catalogue = InstrumentCatalog.instance()
score.add_instrument_voice(
InstrumentVoice(catalogue.get_instrument("violin")))
# 1 beat == 1 sec, 3/4 TS + 60 beats per minute,
score.tempo_sequence.add(TempoEvent(Tempo(60), Position(0)))
score.time_signature_sequence.add(
TimeSignatureEvent(TimeSignature(3, Duration(1, 4)), Position(0)))
violin_voice = score.get_instrument_voice("violin")[0]
top_line = Line(
[Note(DiatonicPitch(4, y), Duration(1, 8)) for y in 'afdecd'])
violin_voice.voice(0).pin(top_line, Offset(0))
level1_line = Line(
[Note(DiatonicPitch(5, y), Duration(1, 8)) for y in 'af'])
top_line.pin(level1_line, Offset(2))
level2_line = Line(
[Note(DiatonicPitch(6, y), Duration(1, 8)) for y in 'de'])
level1_line.pin(level2_line, Offset(1))
def create_score(line_text, instrument, tmpo, ts):
"""
:param line_text:
:param instrument:
:param tmpo: (bpm, tempo beat duration)
:param ts: (num beats, ts beat duration)
:return:
"""
lge = LineGrammarExecutor()
source_instance_line, source_instance_hct = lge.parse(line_text)
tempo_seq = TempoEventSequence()
ts_seq = EventSequence()
tempo_seq.add(TempoEvent(Tempo(tmpo[0], tmpo[1]), Position(0)))
ts_seq.add(TimeSignatureEvent(TimeSignature(ts[0], ts[1]), Position(0)))
c = InstrumentCatalog.instance()
instrument = c.get_instrument(instrument)
return LiteScore(source_instance_line, source_instance_hct, instrument,
tempo_seq, ts_seq)
def test_remove_notes(self):
c = InstrumentCatalog.instance()
violin = c.get_instrument("violin")
note0 = Note(DiatonicPitch(4, 'a'), Duration(1, 8))
note1 = Note(DiatonicPitch(4, 'b'), Duration(1, 8))
note2 = Note(DiatonicPitch(4, 'c'), Duration(1, 8))
note3 = Note(DiatonicPitch(4, 'd'), Duration(1, 8))
line = Line()
line.pin(note0, Offset(1, 4))
line.pin(note1, Offset(3, 8))
line.pin(note2, Offset(1, 2))
line.pin(note3, Offset(5, 8))
voice = Voice(violin)
voice.pin(line, Offset(0))
line.unpin([note1, note2])
notes = voice.get_all_notes()
assert len(notes) == 2
assert note0 in notes
assert note3 in notes
assert note1 not in notes
assert note2 not in notes
notes = voice.get_notes_starting_in_interval(
Interval(Position(0), Position(2, 1)))
assert len(notes) == 2
line.clear()
notes = voice.get_all_notes()
assert len(notes) == 0
notes = voice.get_notes_starting_in_interval(
Interval(Position(0), Position(2, 1)))
assert len(notes) == 0
def convert_line(line,
filename,
tempo=Tempo(60, Duration(1, 4)),
time_signature=TimeSignature(4, Duration(1, 4)),
instrument_name='piano'):
"""
Static method to convert a Line to a midi file
Args:
line: Class Line object
filename: The name of the midi file, should have filetype .mid
tempo: Tempo for playback, default is 60 BPM tempo beat = quarter note
time_signature: TimeSiganture on playback, default is 4 quarter notes
instrument_name: Name of instrument ot use for playback.
"""
score = Score()
tempo_sequence = score.tempo_sequence
tempo_sequence.add(TempoEvent(tempo, Position(0)))
ts_sequence = score.time_signature_sequence
ts_sequence.add(TimeSignatureEvent(time_signature, Position(0)))
c = InstrumentCatalog.instance()
instrument = c.get_instrument(instrument_name)
if instrument is None:
print('Error: instrument {0} cannnot be found'.format(
instrument_name))
return
instrument_voice = InstrumentVoice(instrument, 1)
piano_voice = instrument_voice.voice(0)
piano_voice.pin(line, Offset(0))
score.add_instrument_voice(instrument_voice)
ScoreToMidiConverter.convert_score(score, filename)
def test_acquire_notes(self):
c = InstrumentCatalog.instance()
score = Score()
violin = c.get_instrument("violin")
violin_instrument_voice = InstrumentVoice(violin)
violin_voice = violin_instrument_voice.voice(0)
assert violin_voice
score.add_instrument_voice(violin_instrument_voice)
clarinet = c.get_instrument("clarinet")
clarinet_instrument_voice = InstrumentVoice(clarinet)
clarinet_voice = clarinet_instrument_voice.voice(0)
assert clarinet_voice
score.add_instrument_voice(clarinet_instrument_voice)
# Add notes to the score
note_list = [
Note(DiatonicPitch(4, y), Duration(1, 8)) for y in 'abcdef'
]
# Set up a violin voice with 6 8th notes
vline = Line(note_list)
violin_voice.pin(vline)
cnote0 = Note(DiatonicPitch(5, 'a'), Duration(1, 4))
cnote1 = Note(DiatonicPitch(5, 'b'), Duration(1, 4))
cnote2 = Note(DiatonicPitch(5, 'c'), Duration(1, 4))
cnote3 = Note(DiatonicPitch(5, 'd'), Duration(1, 4))
# set up a clarinet line with 4 1`/4 notes
cline = Line([cnote0, cnote1, cnote2, cnote3])
clarinet_voice.pin(cline)
# search for notes sounding in [1/4, 3/4)
voice_note_map = score.get_notes_by_wnt_interval(
Interval(Position(1, 4), Position(3, 4)))
assert voice_note_map
for (k, v) in voice_note_map.items():
print('InstrumentVoice {0}:'.format(k))
for (k1, v1) in v.items():
print(' {0} --> [{1}]'.format(
k1.instrument, ', '.join(str(n) for n in v1)))
cvoice_map = voice_note_map.get(clarinet_instrument_voice)
cvoices = list(cvoice_map.keys())
assert cvoice_map
assert cvoices[0] in cvoice_map
cnotes = cvoice_map[cvoices[0]]
assert len(cnotes) == 2
assert TestScore.has_pitch(cnotes, DiatonicPitch.parse('B:5'))
assert TestScore.has_pitch(cnotes, DiatonicPitch.parse('C:5'))
vvoice_map = voice_note_map.get(violin_instrument_voice)
vvoices = list(vvoice_map.keys())
assert vvoice_map
assert vvoices[0] in vvoice_map
vnotes = vvoice_map[vvoices[0]]
assert len(vnotes) == 4
assert TestScore.has_pitch(vnotes, DiatonicPitch.parse('C:4'))
assert TestScore.has_pitch(vnotes, DiatonicPitch.parse('F:4'))
# search for notes starting in [3/8, 3/4)
voice_note_map = score.get_notes_starting_in_wnt_interval(
Interval(Position(3, 8), Position(3, 4)))
assert voice_note_map
for (k, v) in voice_note_map.items():
print('InstrumentVoice {0}:'.format(k))
for (k1, v1) in v.items():
print(' {0} --> [{1}]'.format(k1.instrument,
', '.join(str(n)
for n in v1)))
cvoice_map = voice_note_map.get(clarinet_instrument_voice)
cvoices = list(cvoice_map.keys())
assert cvoice_map
assert cvoices[0] in cvoice_map
cnotes = cvoice_map[cvoices[0]]
assert len(cnotes) == 1
assert TestScore.has_pitch(cnotes, DiatonicPitch.parse('C:5'))
vvoice_map = voice_note_map.get(violin_instrument_voice)
vvoices = list(vvoice_map.keys())
assert vvoice_map
assert vvoices[0] in vvoice_map
vnotes = vvoice_map[vvoices[0]]
assert len(vnotes) == 3
assert TestScore.has_pitch(vnotes, DiatonicPitch.parse('D:4'))
assert TestScore.has_pitch(vnotes, DiatonicPitch.parse('E:4'))
assert TestScore.has_pitch(vnotes, DiatonicPitch.parse('F:4'))
duration = score.duration
print('full wnt duration = {0}'.format(duration))
assert duration == Duration(1, 1)
with self.assertRaises(Exception):
bd = score.beat_duration
print(bd)
# 3/4 TS + 60 beats per minute, 1 beat == 1 sec
score.tempo_sequence.add(TempoEvent(Tempo(60), Position(0)))
score.time_signature_sequence.add(
TimeSignatureEvent(TimeSignature(3, Duration(1, 4)), Position(0)))
bp_duration = score.beat_duration
print('full beat duration = {0}'.format(bp_duration))
assert bp_duration == BeatPosition(1, 1)
real_duration = score.real_duration
print('real duration = {0}'.format(real_duration))
assert real_duration == 4000
