def recursive_dilate(self, strct, new_to_old_map):
if isinstance(strct, Note):
d = strct.base_duration.duration / strct.contextual_reduction_factor
n = Note(strct.diatonic_pitch, Duration(d * self.dilation_factor),
strct.num_dots)
new_to_old_map[n] = strct
return n
else:
collect = list()
for s in strct.sub_notes:
collect.append(self.recursive_dilate(s, new_to_old_map))
if isinstance(strct, Beam):
b = Beam(collect)
new_to_old_map[b] = strct
return b
elif isinstance(strct, Tuplet):
t = Tuplet(strct.unit_duration * self.dilation_factor,
strct.unit_duration_factor, collect)
new_to_old_map[t] = strct
return t
elif isinstance(strct, Line):
line = Line()
new_to_old_map[line] = strct
for s in collect:
line.pin(
s, new_to_old_map[s].relative_position *
self.dilation_factor)
return line
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_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_line_structures(self):
print('----- test line structures -----')
source_instance_expression = '{<C-Major:I> iC:4 D E F G A B C:5 D E F G} }'
lge = LineGrammarExecutor()
source_instance_line, source_instance_hct = lge.parse(source_instance_expression)
notes = source_instance_line.get_all_notes()
line = Line()
line.pin(notes[0], Offset(Fraction(1, 2)))
line.pin(notes[1], Offset(Fraction(3, 4)))
line1 = Line()
line1.pin(notes[3], Offset(Fraction(1, 4)))
line1.pin(notes[4], Offset(Fraction(1, 2)))
line.pin(line1, Offset(Fraction(2)))
lite_score = TestTDilation.create_score_1(line, source_instance_hct, 'piano', (4, 4, 'swww'))
trans = TDilation(lite_score)
new_score = trans.apply(Fraction(2), False, True)
all_notes = new_score.line.get_all_notes()
assert all_notes[2].get_absolute_position().position == Fraction(9, 2)
print(line)
print(new_score.line)
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 _build_target_line(self):
target_line = Line()
initial_pitch = DiatonicPitch.parse('C:4')
source_notes = self.substitution_pattern.target_pattern_line.get_all_notes(
)
for note in source_notes:
t_note = note.clone()
t_note.diatonic_pitch = initial_pitch
target_line.append(t_note)
return target_line
def _build_target_line(self):
# Build a target line, all notes C:4 with onsets/durations of original line.
target_line = Line()
initial_pitch = DiatonicPitch.parse('C:4')
source_notes = self.source_line.get_all_notes()
for note in source_notes:
t_note = note.clone()
t_note.diatonic_pitch = initial_pitch
target_line.append(t_note)
return target_line
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_compute_with_minor_key(self):
print('-- test_compute_with_minor_key ---')
line = Line()
f = GenericUnivariatePitchFunction(
TestFitPitchToFunctionConstraint.sinasoidal, Position(0),
Position(2))
v_notes = [
Note(DiatonicPitch.parse('A:4'), Duration(1, 16))
for _ in range(0, 33)
]
for i in range(0, 33):
line.pin(v_notes[i], Offset(i, 16))
constraint, lower_policy_context = \
TestFitPitchToFunctionConstraint.build_simple_constraint(v_notes[0], f, ModalityType.NaturalMinor,
'C', 'tV')
constraints = list()
constraints.append(constraint)
for i in range(1, 33):
c, _ = \
TestFitPitchToFunctionConstraint.build_simple_constraint(v_notes[i], f, ModalityType.NaturalMinor,
'C', 'tV')
constraints.append(c)
p_map = PMap()
p_map[v_notes[0]] = ContextualNote(lower_policy_context)
results = constraint.values(p_map, v_notes[0])
assert results is not None
assert len(results) == 1
print(next(iter(results)).diatonic_pitch)
assert 'C:4' == str(next(iter(results)).diatonic_pitch)
result_pitches = []
for i in range(0, 33):
p_map = PMap()
p_map[v_notes[i]] = ContextualNote(lower_policy_context)
results = constraints[i].values(p_map, v_notes[i])
result_pitches.append(next(iter(results)).diatonic_pitch)
assert len(result_pitches) == 33
for i in range(0, 33):
print('[{0}] {1}'.format(i, str(result_pitches[i])))
checks = [
'C:4', 'G:4', 'D:5', 'F:5', 'G:5', 'F:5', 'D:5', 'G:4', 'C:4'
]
for i in range(0, len(checks)):
assert checks[i] == str(result_pitches[i])
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 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_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 build_line(note_spec_list):
note_list = list()
for spec in note_spec_list:
pitch = DiatonicPitch.parse(spec[0])
n = Note(pitch, Duration(spec[1][0], spec[1][1]))
note_list.append(n)
return Line(note_list)
def clone(self):
from structure.beam import Beam
from structure.tuplet import Tuplet
from structure.note import Note
from structure.line import Line
from timemodel.duration import Duration
cpy = None
if isinstance(self, Beam):
cpy = Beam()
for s in self.sub_notes:
s_prime = s.clone()
cpy.append(s_prime)
elif isinstance(self, Tuplet):
cpy = Tuplet(self.unit_duration, self.unit_duration_factor)
for s in self.sub_notes:
s_prime = s.clone()
cpy.append(s_prime)
elif isinstance(self, Note):
d = Duration(self.base_duration.duration / self.contextual_reduction_factor)
cpy = Note(self.diatonic_pitch if self.diatonic_pitch is not None else None, d, self.num_dots)
elif isinstance(self, Line):
cpy = Line(None, self.instrument)
for s in self.sub_notes:
s_prime = s.clone()
cpy.pin(s_prime, s.relative_position)
return cpy
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_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_another_book_example(self):
# Creating a simple line of 2 eighth notes a quarter note and a half note.
vnote0 = Note(DiatonicPitch(4, 'a'), Duration(1, 8))
vnote1 = Note(DiatonicPitch(4, 'b'), Duration(1, 8))
vnote2 = Note(DiatonicPitch(4, 'c'), Duration(1, 4))
vnote3 = Note(DiatonicPitch(4, 'd'), Duration(1, 2))
line = Line([vnote0, vnote1, vnote2, vnote3])
AbstractNote.print_structure(line)
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 get_hough_p_lines(frame, minLineLength=100, maxLineGap=10):
gray = cv2.cvtColor(frame, cv2.COLOR_RGB2GRAY)
canny = cv2.Canny(gray, 100, 200, apertureSize=3)
lines_data = cv2.HoughLinesP(canny, 1, np.pi / 180, 100, minLineLength,
maxLineGap)
lines = []
for line_data in lines_data:
x1, y1, x2, y2 = line_data[0]
line = Line(x1, y1, x2, y2)
lines.append(line)
return lines
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_line_convert(self):
note1 = Note(DiatonicPitch(4, 'c'), Duration(1, 16))
note2 = Note(DiatonicPitch(4, 'd'), Duration(1, 16))
note3 = Note(DiatonicPitch(4, 'e'), Duration(1, 16))
note4 = Note(DiatonicPitch(4, 'f'), Duration(1, 16))
beam = Beam([note1, note2, note3, note4])
line = Line(beam)
ScoreToMidiConverter.convert_line(line, 'line_output_file.mid')
TestScoreToMidiConverter.read_midi_file('line_output_file.mid')
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_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 test_simple_motif(self):
line = Line()
notes = [
Note(DiatonicPitch.parse('C:4'), Duration(1, 4)),
Note(DiatonicPitch.parse('D:4'), Duration(1, 8)),
Note(DiatonicPitch.parse('E:4'), Duration(1, 8)),
Note(DiatonicPitch.parse('F#:4'), Duration(1, 2)),
]
line.pin(notes)
c = [
EqualPitchConstraint([notes[0], notes[2]]),
NotEqualPitchConstraint([notes[1], notes[3]])
]
nm = Phrase(notes, c, 'B')
print(nm)
assert nm.name == 'B'
actors = nm.actors
assert len(actors) == 4
cc = nm.constraints
assert isinstance(cc[0], EqualPitchConstraint)
cc_a = cc[0].actors
assert len(cc_a) == 2
assert cc_a[0] == actors[0]
assert cc_a[1] == actors[2]
assert isinstance(cc[1], NotEqualPitchConstraint)
cc_b = cc[1].actors
assert len(cc_a) == 2
assert cc_b[0] == actors[1]
assert cc_b[1] == actors[3]
assert 'F#:4' == str(actors[3].diatonic_pitch)
# More notes for copy to:
first_note = Note(DiatonicPitch.parse('C:3'), Duration(1, 4))
notes1 = [
first_note,
Note(DiatonicPitch.parse('D:3'), Duration(1, 8)),
Note(DiatonicPitch.parse('E:3'), Duration(1, 8)),
Note(DiatonicPitch.parse('F#:3'), Duration(1, 2)),
]
line.pin(notes1, Offset(2))
nm_clone = nm.copy_to(first_note)
assert isinstance(nm_clone, Phrase)
assert nm_clone.name == 'B'
c_actors = nm_clone.actors
assert len(c_actors) == 4
assert 'F#:3' == str(c_actors[3].diatonic_pitch)
def __init__(self):
"""
Constructor.
"""
self.tie_list = list()
self.__line = Line()
self.current_level = Level(self.__line, LineConstructor.DEFAULT_LINE_DURATION)
self.level_stack = list()
self.current_tonality = LineConstructor.DEFAULT_TONALITY
self.harmonic_tag_list = list()
self.current_harmonic_tag = None
# Set up a default harmonic tag. In cases where a tag is immediately specified, this is discarded
self.construct_harmonic_tag(LineConstructor.DEFAULT_TONALITY,
ChordTemplate.generic_chord_template_parse('ti'))
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 test_line_convert(self):
print("test line convert")
note1 = Note(DiatonicPitch(4, 'c'), Duration(1, 16))
note2 = Note(DiatonicPitch(4, 'd'), Duration(1, 16))
note3 = Note(DiatonicPitch(4, 'e'), Duration(1, 16))
note4 = Note(DiatonicPitch(4, 'f'), Duration(1, 16))
beam = Beam([note1, note2, note3, note4])
line = Line(beam)
meta_track, tracks = ScoreToVstMidiConverter.convert_line(line)
assert meta_track is not None
assert tracks is not None
assert len(tracks) == 1
assert len(tracks[0]) == 8
for i in range(0, len(tracks[0])):
print("{0}: {1}".format(i, tracks[0][i]))
assert isinstance(tracks[0][0], NoteMessage)
assert tracks[0][0].msg_type == 144
assert tracks[0][0].note_value == 60 # C
assert tracks[0][0].abs_frame_time == 0
assert tracks[0][0].rel_frame_time == 0
assert isinstance(tracks[0][2], NoteMessage)
assert tracks[0][2].msg_type == 144
assert tracks[0][2].note_value == 62 # D
assert tracks[0][2].abs_frame_time == 10525
assert tracks[0][2].rel_frame_time == 0
assert isinstance(tracks[0][4], NoteMessage)
assert tracks[0][4].msg_type == 144
assert tracks[0][4].note_value == 64 # E
assert tracks[0][4].abs_frame_time == 21050
assert tracks[0][4].rel_frame_time == 0
assert isinstance(tracks[0][6], NoteMessage)
assert tracks[0][6].msg_type == 144
assert tracks[0][6].note_value == 65 # F
assert tracks[0][6].abs_frame_time == 31575
assert tracks[0][6].rel_frame_time == 0
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 test_pin(self):
print('----- test_pin -----')
l1_notes = [Note(DiatonicPitch(4, y), Duration(1, 8)) for y in 'abcd']
l2_notes = [Note(DiatonicPitch(4, y), Duration(1, 8)) for y in 'efgab']
line = Line()
line.pin(Line(l1_notes), Offset(1, 8))
line.pin(Line(l2_notes), Offset(1, 4))
all_notes = line.get_all_notes()
print('... pinned notes ...')
for n in all_notes:
print('({0}) : {1}'.format(n.get_absolute_position(),
n.diatonic_pitch))
print('... end pinned notes ...')
print('End test_pin')
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
