def midi_to_mp3(midifile, output, tempdir):
tempfile = os.path.join(tempdir, "synthAudio.wav")
fs = FluidSynth()
fs.midi_to_audio(midifile, tempfile)
wav = AudioSegment.from_file(tempfile, format="wav")
wav.export(output, format="mp3")
MyMIDI.addProgramChange(track, channel, time, program)
length = 5 #number of notes to produce
midiNotes = [random.randint(55, 83)
for i in range(0, length)] # MIDI note number
noteTimes = [1.0, 2.0, 4.0, 8.0] # in eighth notes
noteLengths = [random.choice(noteTimes) for i in range(0, len(midiNotes))]
durationList = list(zip(midiNotes, noteLengths))
rests = 2
restList = [(-np.inf, random.choice(noteTimes)) for i in range(0, rests)]
durationList += restList
random.shuffle(durationList)
time = 0
for pitch, duration in durationList:
if (pitch != -np.inf):
MyMIDI.addNote(track, channel, pitch, time, duration / 2, volume)
time += duration / 2
with open("major-scale.mid", "wb") as output_file:
MyMIDI.writeFile(output_file)
fs = FluidSynth('./040_Florestan_String_Quartet.sf2')
fs.midi_to_audio('major-scale.mid', 'output.wav')
ground_truth = [(pitch - 20, time) for (pitch, time) in durationList]
print(ground_truth)
def generate(dna):
DNA = Seq(dna, IUPAC.unambiguous_dna)
seq = DNA.translate()
seq = str(seq)
durat_list = rco(dna)
print(durat_list)
# Generation
easyMIDI = EasyMIDI(numTracks=3)
track1 = Track('acoustic grand piano')
#track2 = Track('FX 5 (brightness)')
track2 = Track('Whistle')
track3 = Track('String Ensemble 1')
key_input = 'C'
c2 = Note('C', octave=2, duration=1 / 8, volume=100)
d2 = Note('D', 2, 1 / 8)
e2 = Note('E', 2, 1 / 8)
eflat2 = Note('Eb', 2, 1 / 8)
f2 = Note('F', 2, 1 / 8)
fsharp2 = Note('F#', 2, 1 / 8)
g2 = Note('G', 2, 1 / 8)
a2 = Note('A', 2, 1 / 8)
b2 = Note('B', 2, 1 / 8)
bflat2 = Note('Bb', 2, 1 / 8)
#3rd Octave
c = Note('C', octave=3, duration=1 / 8, volume=100)
d = Note('D', 3, 1 / 8)
e = Note('E', 3, 1 / 8)
eflat = Note('Eb', 3, 1 / 8)
f = Note('F', 3, 1 / 8)
fsharp = Note('F#', 3, 1 / 8)
g = Note('G', 3, 1 / 8)
a = Note('A', 3, 1 / 8)
b = Note('B', 3, 1 / 8)
bflat = Note('Bb', 3, 1 / 8)
#duration=3/8, 3rd Octave
d_38 = Note('D', 3, 3 / 8)
fsharp_38 = Note('F#', 3, 3 / 8)
a_38 = Note('A', 3, 3 / 8)
c4_38 = Note('C', 3, 3 / 8)
#duration=1/4, 3rd Octave
d_14 = Note('D', 3, 1 / 4)
fsharp_14 = Note('F#', 3, 1 / 4)
a_14 = Note('A', 3, 1 / 4)
c4_14 = Note('C', 3, 1 / 4)
#4th Octave
c4 = Note('C', octave=4, duration=1 / 8, volume=100)
d4 = Note('D', 4, 1 / 8)
e4 = Note('E', 4, 1 / 8)
eflat4 = Note('Eb', 4, 1 / 8)
f4 = Note('F', 4, 1 / 8)
fsharp4 = Note('F#', 4, 1 / 8)
g4 = Note('G', 4, 1 / 8)
a4 = Note('A', 4, 1 / 8)
b4 = Note('B', 4, 1 / 8)
bflat4 = Note('Bb', 4, 1 / 8)
#5th Octave
c5 = Note('C', 5, 1 / 8)
d5 = Note('D', 5, 1 / 8)
e5 = Note('E', 5, 1 / 8)
eflat5 = Note('Eb', 5, 1 / 8)
f5 = Note('F', 5, 1 / 8)
fsharp5 = Note('F#', 5, 1 / 8)
g5 = Note('G', 5, 1 / 8)
a5 = Note('A', 5, 1 / 8)
b5 = Note('B', 5, 1 / 8)
bflat5 = Note('Bb', 5, 1 / 8)
#6th Octave
c6 = Note('C', 6, 1 / 8)
d6 = Note('D', 6, 1 / 8)
e6 = Note('E', 6, 1 / 8)
eflat6 = Note('Eb', 6, 1 / 8)
f6 = Note('F', 6, 1 / 8)
fsharp6 = Note('F#', 6, 1 / 8)
g6 = Note('G', 6, 1 / 8)
a6 = Note('A', 6, 1 / 8)
b6 = Note('B', 6, 1 / 8)
bflat6 = Note('Bb', 6, 1 / 8)
#chordC = Chord([c,e,g]) #-- a chord of notes C, E and G
# Track3
# abcbcbcb pattern
Idiv = [c, e, g, e, g, e, g, e]
I6div = [e, g, c4, g, c4, g, c4, g]
I64div = [g2, c, e, c, e, c, e, c]
Idom7div = [c, g, bflat, g, bflat, g, bflat, g]
IIdiv = [d, f, a, f, a, f, a, f]
II6div = [f2, a2, d, a2, d, a2, d, a2]
II64div = [a2, d, f, d, f, d, f, d]
IIIdiv = [e, g, b, g, b, g, b, g]
IVdiv = [f, a, c4, a, c4, a, c4, a]
IV6div = [a2, c, f, c, f, c, f, c]
IV64div = [c, f, a, f, a, f, a, f]
IV7div = [f2, c, eflat, c, eflat, c, eflat, c]
Vdiv = [g2, b2, d, b2, d, b2, d, b2]
V6div = [b2, d, g, d, g, d, g, d]
V64div = [c, f, a, f, a, f, a, f]
V7div = [g2, d, f, d, f, d, f, d]
VofVdiv = [d, fsharp, c4, fsharp, c4, fsharp, c4, fsharp]
VIdiv = [a2, c, e, c, e, c, e, c]
VI6div = [c, e, a, e, a, e, a, e]
def set_Duration(chordname, octave, durat):
cd = RomanChord(chordname, octave, durat, key_input, True, 100)
return cd
#regular roman chords
I = RomanChord(numeral='I',
octave=4,
duration=0.25,
key=key_input,
major=True,
volume=100)
II = RomanChord(numeral='II',
octave=3,
duration=0.25,
key=key_input,
major=True,
volume=100)
III = RomanChord(numeral='III',
octave=3,
duration=0.25,
key=key_input,
major=True,
volume=100)
IV = RomanChord(numeral='IV',
octave=3,
duration=0.25,
key=key_input,
major=True,
volume=100)
V = RomanChord(numeral='V',
octave=3,
duration=0.25,
key=key_input,
major=True,
volume=100)
VI = RomanChord(numeral='VI',
octave=3,
duration=0.25,
key=key_input,
major=True,
volume=100)
I6 = RomanChord(numeral='I*',
octave=3,
duration=0.25,
key=key_input,
major=True,
volume=100)
I64 = RomanChord(numeral='I**',
octave=3,
duration=0.25,
key=key_input,
major=True,
volume=100)
Idom7 = RomanChord(numeral='Idom7',
octave=3,
duration=0.25,
key=key_input,
major=True,
volume=100)
II6 = RomanChord(numeral='II*',
octave=3,
duration=0.25,
key=key_input,
major=True,
volume=100)
II64 = RomanChord(numeral='II**',
octave=3,
duration=0.25,
key=key_input,
major=True,
volume=100)
IV6 = RomanChord(numeral='IV*',
octave=3,
duration=0.25,
key=key_input,
major=True,
volume=100)
IV64 = RomanChord(numeral='IV**',
octave=3,
duration=0.25,
key=key_input,
major=True,
volume=100)
IV7 = RomanChord(numeral='IVdom7',
octave=3,
duration=0.25,
key=key_input,
major=True,
volume=100)
V6 = RomanChord(numeral='V*',
octave=3,
duration=0.25,
key=key_input,
major=True,
volume=100)
V64 = RomanChord(numeral='V**',
octave=3,
duration=0.25,
key=key_input,
major=True,
volume=100)
V7 = RomanChord(numeral='V7',
octave=3,
duration=0.25,
key=key_input,
major=True,
volume=100)
# VofV = Chord([d,fsharp,a,c4])
# VofV_38 = Chord([d_38,fsharp_38,a_38,c4_38])
# VofV_14 = Chord([d_14,fsharp_14,a_14,c4_14])
VI6 = RomanChord(numeral='VI*',
octave=3,
duration=0.25,
key=key_input,
major=True,
volume=100)
PAC_cadence = [V6, I]
chordPredict = []
def Starting_Chord(track):
track.addChord(set_Duration('I', 3, 3 / 8))
track.addChord(set_Duration('I', 3, 1 / 8))
track.addChord(set_Duration('I', 3, 1 / 4))
track.addChord(set_Duration('I', 3, 1 / 4))
for letter in seq:
if letter == 'S':
#I
chordPredict.append('I')
track2.addChord(set_Duration('I', 4, 3 / 8))
track2.addChord(set_Duration('I', 4, 1 / 8))
track2.addChord(set_Duration('I', 4, 1 / 4))
track2.addChord(set_Duration('I', 4, 1 / 4))
track3.addNote(Idiv)
elif letter == 'L':
#V
chordPredict.append('V')
track2.addChord(set_Duration('V', 3, 3 / 8))
track2.addChord(set_Duration('V', 3, 1 / 8))
track2.addChord(set_Duration('V', 3, 1 / 4))
track2.addChord(set_Duration('V', 3, 1 / 4))
track3.addNote(Vdiv)
elif letter == 'A':
#IV
chordPredict.append('IV')
track2.addChord(set_Duration('IV', 3, 3 / 8))
track2.addChord(set_Duration('IV', 3, 1 / 8))
track2.addChord(set_Duration('IV', 3, 1 / 4))
track2.addChord(set_Duration('IV', 3, 1 / 4))
track3.addNote(IVdiv)
elif letter == 'G':
#V7
chordPredict.append('V7')
track2.addChord(set_Duration('V7', 3, 3 / 8))
track2.addChord(set_Duration('V7', 3, 1 / 8))
track2.addChord(set_Duration('V7', 3, 1 / 4))
track2.addChord(set_Duration('V7', 3, 1 / 4))
track3.addNote(V7div)
elif letter == 'K':
#VI
chordPredict.append('VI')
track2.addChord(set_Duration('VI', 3, 3 / 8))
track2.addChord(set_Duration('VI', 3, 1 / 8))
track2.addChord(set_Duration('VI', 3, 1 / 4))
track2.addChord(set_Duration('VI', 3, 1 / 4))
track3.addNote(VIdiv)
elif letter == 'T':
#I6
chordPredict.append('I*')
track2.addChord(set_Duration('I*', 3, 3 / 8))
track2.addChord(set_Duration('I*', 3, 1 / 8))
track2.addChord(set_Duration('I*', 3, 1 / 4))
track2.addChord(set_Duration('I*', 3, 1 / 4))
track3.addNote(I6div)
elif letter == 'D':
#V6
chordPredict.append('V*')
track2.addChord(set_Duration('V*', 3, 3 / 8))
track2.addChord(set_Duration('V*', 3, 1 / 8))
track2.addChord(set_Duration('V*', 3, 1 / 4))
track2.addChord(set_Duration('V*', 3, 1 / 4))
track3.addNote(V6div)
elif letter == 'E':
#IV6
chordPredict.append('IV*')
track2.addChord(set_Duration('IV*', 3, 3 / 8))
track2.addChord(set_Duration('IV*', 3, 1 / 8))
track2.addChord(set_Duration('IV*', 3, 1 / 4))
track2.addChord(set_Duration('IV*', 3, 1 / 4))
track3.addNote(IV6div)
elif letter == 'P':
#Idom7
chordPredict.append('Idom7')
track2.addChord(set_Duration('Idom7', 3, 3 / 8))
track2.addChord(set_Duration('Idom7', 3, 1 / 8))
track2.addChord(set_Duration('Idom7', 3, 1 / 4))
track2.addChord(set_Duration('Idom7', 3, 1 / 4))
track3.addNote(Idom7div)
elif letter == 'N':
#VI6
chordPredict.append('VI*')
track2.addChord(set_Duration('VI*', 3, 3 / 8))
track2.addChord(set_Duration('VI*', 3, 1 / 8))
track2.addChord(set_Duration('VI*', 3, 1 / 4))
track2.addChord(set_Duration('VI*', 3, 1 / 4))
track3.addNote(VI6div)
elif letter == 'R':
#II6
chordPredict.append('II*')
track2.addChord(set_Duration('II*', 3, 3 / 8))
track2.addChord(set_Duration('II*', 3, 1 / 8))
track2.addChord(set_Duration('II*', 3, 1 / 4))
track2.addChord(set_Duration('II*', 3, 1 / 4))
track3.addNote(II6div)
elif letter == 'F':
#VofV
#VofV = Chord([d,fsharp,a,c4])
# chordPredict.append('V/V')
# track2.addChord(VofV_38)
# track2.addChord(VofV)
# track2.addChord(VofV_14)
# track2.addChord(VofV_14)
# track3.addNote(VofVdiv)
#V
chordPredict.append('V')
track2.addChord(set_Duration('V', 3, 3 / 8))
track2.addChord(set_Duration('V', 3, 1 / 8))
track2.addChord(set_Duration('V', 3, 1 / 4))
track2.addChord(set_Duration('V', 3, 1 / 4))
track3.addNote(Vdiv)
elif letter == 'I':
#I64
chordPredict.append('I**')
track2.addChord(set_Duration('I**', 3, 3 / 8))
track2.addChord(set_Duration('I**', 3, 1 / 8))
track2.addChord(set_Duration('I**', 3, 1 / 4))
track2.addChord(set_Duration('I**', 3, 1 / 4))
track3.addNote(I64div)
elif letter == 'Q':
#V64
chordPredict.append('V**')
track2.addChord(set_Duration('V**', 3, 3 / 8))
track2.addChord(set_Duration('V**', 3, 1 / 8))
track2.addChord(set_Duration('V**', 3, 1 / 4))
track2.addChord(set_Duration('V**', 3, 1 / 4))
track3.addNote(V64div)
#I
chordPredict.append('I')
track2.addChord(set_Duration('I', 4, 3 / 8))
track2.addChord(set_Duration('I', 4, 1 / 8))
track2.addChord(set_Duration('I', 4, 1 / 4))
track2.addChord(set_Duration('I', 4, 1 / 4))
track3.addNote(Idiv)
elif letter == 'C':
#IV7
chordPredict.append('IVdom7')
track2.addChord(set_Duration('IVdom7', 3, 3 / 8))
track2.addChord(set_Duration('IVdom7', 3, 1 / 8))
track2.addChord(set_Duration('IVdom7', 3, 1 / 4))
track2.addChord(set_Duration('IVdom7', 3, 1 / 4))
track3.addNote(IV7div)
elif letter == 'Y':
#IV64
chordPredict.append('IV**')
track2.addChord(set_Duration('IV**', 3, 3 / 8))
track2.addChord(set_Duration('IV**', 3, 1 / 8))
track2.addChord(set_Duration('IV**', 3, 1 / 4))
track2.addChord(set_Duration('IV**', 3, 1 / 4))
track3.addNote(IV64div)
elif letter == 'H':
#I
chordPredict.append('I')
track2.addChord(set_Duration('I', 4, 3 / 8))
track2.addChord(set_Duration('I', 4, 1 / 8))
track2.addChord(set_Duration('I', 4, 1 / 4))
track2.addChord(set_Duration('I', 4, 1 / 4))
track3.addNote(Idiv)
#V6
chordPredict.append('V*')
track2.addChord(set_Duration('V*', 3, 3 / 8))
track2.addChord(set_Duration('V*', 3, 1 / 8))
track2.addChord(set_Duration('V*', 3, 1 / 4))
track2.addChord(set_Duration('V*', 3, 1 / 4))
track3.addNote(V6div)
#VI
chordPredict.append('VI')
track2.addChord(set_Duration('VI', 3, 3 / 8))
track2.addChord(set_Duration('VI', 3, 1 / 8))
track2.addChord(set_Duration('VI', 3, 1 / 4))
track2.addChord(set_Duration('VI', 3, 1 / 4))
track3.addNote(VIdiv)
#IV6
chordPredict.append('IV*')
track2.addChord(set_Duration('IV*', 3, 3 / 8))
track2.addChord(set_Duration('IV*', 3, 1 / 8))
track2.addChord(set_Duration('IV*', 3, 1 / 4))
track2.addChord(set_Duration('IV*', 3, 1 / 4))
track3.addNote(IV6div)
#I
chordPredict.append('I')
track2.addChord(set_Duration('I', 4, 3 / 8))
track2.addChord(set_Duration('I', 4, 1 / 8))
track2.addChord(set_Duration('I', 4, 1 / 4))
track2.addChord(set_Duration('I', 4, 1 / 4))
track3.addNote(Idiv)
elif letter == 'M':
#II64
chordPredict.append('II**')
track2.addChord(set_Duration('II**', 3, 3 / 8))
track2.addChord(set_Duration('II**', 3, 1 / 8))
track2.addChord(set_Duration('II**', 3, 1 / 4))
track2.addChord(set_Duration('II**', 3, 1 / 4))
track3.addNote(II64div)
elif letter == 'W':
#II6
chordPredict.append('II*')
track2.addChord(set_Duration('II*', 3, 3 / 8))
track2.addChord(set_Duration('II*', 3, 1 / 8))
track2.addChord(set_Duration('II*', 3, 1 / 4))
track2.addChord(set_Duration('II*', 3, 1 / 4))
track3.addNote(II6div)
#V
chordPredict.append('V')
track2.addChord(set_Duration('V', 3, 3 / 8))
track2.addChord(set_Duration('V', 3, 1 / 8))
track2.addChord(set_Duration('V', 3, 1 / 4))
track2.addChord(set_Duration('V', 3, 1 / 4))
track3.addNote(Vdiv)
#I
chordPredict.append('I')
track2.addChord(set_Duration('I', 4, 3 / 8))
track2.addChord(set_Duration('I', 4, 1 / 8))
track2.addChord(set_Duration('I', 4, 1 / 4))
track2.addChord(set_Duration('I', 4, 1 / 4))
track3.addNote(Idiv)
elif letter == '*':
continue
getNamedNote = lambda note: note.name + str(note.octave)
getManyNamedNotes = lambda notes: list(map(getNamedNote, notes))
# print(chordPredict[0])
# print(getManyNamedNotes(RomanChord(chordPredict[0]).getNotes()))
def planB(track, chordPredict, durat_list):
for i, val in enumerate(chordPredict):
if i >= len(durat_list):
break
N = getManyNamedNotes(RomanChord(val).getNotes())
for k, val2 in enumerate(durat_list[i]):
if val2 == 0:
break
m = Note(N[0][:-1],
octave=int(N[0][-1]),
duration=val2,
volume=100)
p = Note(N[1][:-1],
octave=int(N[1][-1]),
duration=val2,
volume=100)
q = Note(N[2][:-1],
octave=int(N[2][-1]),
duration=val2,
volume=100)
mQ = Chord([m, q])
if dna[i * 3 + k] == 'A':
track.addNote(m)
elif dna[i * 3 + k] == 'T':
track.addNote(p)
elif dna[i * 3 + k] == 'C':
track.addNote(q)
elif dna[i * 3 + k] == 'G':
track.addChord(mQ)
# Starting_Chord(track1)
# Starting_Chord(track2)
# Starting_Chord(track3)
track2.addChord(PAC_cadence)
planB(track1, chordPredict, durat_list)
track3.addChord(PAC_cadence)
track1.addChord(PAC_cadence)
easyMIDI.addTrack(track1)
easyMIDI.addTrack(track2)
easyMIDI.addTrack(track3)
easyMIDI.writeMIDI('output.mid')
fs = FluidSynth(sound_font='SGM.sf2', sample_rate=22050)
fs.midi_to_audio('output.mid', 'static/output.wav')
state = torch.load(sess_path, map_location='cpu')
model = Model_RNN(**state['model_config']).to(device)
model.load_state_dict(state['model_state'])
model.eval()
print('=' * 80)
init = torch.randn(batch_size, model.init_dim).to(device)
outputs = model.gen_samples(init, max_len, controls=controls)
outputs = outputs.cpu().numpy().T # [batch, steps]
os.makedirs(output_dir, exist_ok=True)
files = []
for i, output in enumerate(outputs):
if (i != 0) or (i != batch_size - 1):
name = f'{i}.mid'
path = os.path.join(output_dir, name)
files.append(name)
n_notes = event_indec2midi_file(output, path)
if len(font):
from midi2audio import FluidSynth
for i, sample in enumerate(files):
if (i == 0) or (i == batch_size - 1):
continue
fs = FluidSynth(font)
fs.midi_to_audio(output_dir + sample,
os.path.join(output_dir, f'{i}.wav'))