def to_midi_wav(melody):
# convert to midi
filename = melody['raw_filename']
k = melody['duration'] * melody['bpm'] / (np.array(melody['lengths']).sum() * 60)
time = 0
track = 0
channel = 0
volume = 100
my_midi = MIDIFile(1)
my_midi.addTempo(track, time, melody['bpm'])
my_midi.addProgramChange(track, channel, time, 0)
for i, pitch in enumerate(melody['midi']):
length = k * melody['lengths'][i]
if pitch != 'P' and 0 <= pitch <= 255 and length >= 1/16:
my_midi.addNote(track, channel, round(pitch), time, length, volume)
time = time + k * melody['lengths'][i]
midi_filename = 'tmp/' + filename.split('.')[0] + '.mid'
with open(midi_filename, "wb") as output_file:
my_midi.writeFile(output_file)
# convert back to wav
filename_processed = 'tmp/'+ filename.split('.')[0] + '_processed' + '.wav'
fs = FluidSynth('static/Drama Piano.sf2')
fs.midi_to_audio(midi_filename, filename_processed)
def convert_to_MIDI(self,
instruments=["Piano"],
start_times=[4],
tempos=[80],
tracks=1,
channel=0,
volume=100):
if not self.verify_track(tracks):
return
#Adjusts instrument, start_times, and tempos to match with number of specified tracks
instr = self.set_instruments(instruments, tracks)
self.set_start_times(start_times, tracks)
self.set_tempos(tempos, tracks)
MIDI_File = MIDIFile(tracks, adjust_origin=False)
print len(self.SOLset)
#for every track of the Midi File
for t in range(tracks):
print('T,instruments,tempos: %s, %s, %s', (t, instr, tempos))
MIDI_File.addTempo(t, 0, tempos[t]) #Adds tempo t
MIDI_File.addProgramChange(t, 0, 0,
instr[t]) #sets instrument for tempo t
prevAccidental = -1 #if the previous sheet object was a sharp or flat
currOctave = 1
time = start_times[
t] #Current time placement of a not in the given track
#For every object in a single sheet object list
for ob in self.SOLset[t]:
#print(ob.clef,ob.duration,ob.run)
#If object is an accidental, set variable and finish current iteration
if ob.accidental != -1:
prevAccidental = ob.accidental
continue
#If the object is a clef, set currOctave and finish current iteration
if ob.clef != -1:
currOctave = ob.clef
continue
#Calculate note id and pitch
note_id = self.note_id(ob.run, currOctave)
pitch = self.note_pitch(note_id, prevAccidental)
#Reset accidental to base value
prevAccidental = -1
if ob.duration > 0 and ob.rest != 1: #If the object has a note duration, add it as a note
MIDI_File.addNote(t, t, pitch, time + ob.duration,
ob.duration, volume)
time = time + ob.duration
elif ob.rest > 0: #If the object has a rest duration, add it as a rest
MIDI_File.addNote(t, t, 0, time + ob.rest, ob.rest, 0)
time = time + ob.rest
self.MIDI = MIDI_File
def write(melodies, rhythms):
global tim
global MyMIDI
tim -= time.process_time()
degrees = [60, 62, 64, 65, 67, 69, 71, 72] # MIDI note number
track = 0
channel = 0
starttime = 0 # In beats
duration = 0.5 # In beats
tempo = 60 # In BPM
volume = 100 # 0-127, as per the MIDI standard
MyMIDI = MIDIFile(
1) # One track, defaults to format 1 (tempo track is created
# automatically)
for i, instrument in enumerate(config.instruments):
MyMIDI.addProgramChange(0, i, 0, instrument)
MyMIDI.addTempo(track, starttime, tempo)
# print len(melodies[0])
# print len(rhythms[0])
for i, pitch in enumerate(melodies[0]):
melodies[0][i] = melodies[0][i] + config.tone0
MyMIDI.addNote(track, channel, melodies[0][i], starttime,
rhythms[0][i], volume)
starttime += rhythms[0][i]
# print rhythms[0][i]
tim += time.process_time()
def createFile(self):
MyMIDI = MIDIFile(1)
MyMIDI.addProgramChange(self.track, self.channel, self.time,
self.program)
MyMIDI.addTempo(self.track, self.time, self.tempo)
return MyMIDI
def runMido(self):
mid = mido.MidiFile('./scripts/Magenta/SecondOutput/SecondOutput.mid')
onOff = []
notes = []
time = []
trackTime = 0
program = 0
tempo = 60
MyMIDI = MIDIFile(1)
MyMIDI.addProgramChange(0, 0, 0, self.program)
MyMIDI.addTempo(0, 0, self.tempo)
print("start")
for msg in mid.play():
onOff.append(msg.type)
time.append(msg.time)
test = msg.bytes()
notes.append(test[1])
print("finished")
for i in range(0, len(notes)):
MyMIDI.addNote(0, 0, notes[i], trackTime + time[i], 1, 100)
trackTime += time[i]
with open("static/audio/" + self.name + ".mid", "wb") as output_file:
MyMIDI.writeFile(output_file)
def writeSong(self, ascii_text):
self.reset()
MyMIDI = MIDIFile(16)
MyMIDI.addTempo(0, 0, 120)
MyMIDI.addProgramChange(4, 4, 0, 37)
MyMIDI.addProgramChange(5, 5, 0, 38)
ascii_text = self.getCountIn() + ascii_text
trackCt = 0
for lines in ascii_text.split("\n"):
trackCt = 0
print str(len(lines.split(","))) + ":" + lines + ":Track=" + str(
trackCt) + ":Time=" + str(self.time)
for note in lines.split(","):
if note != "":
if (trackCt < 4):
channel = 9
else:
channel = trackCt
print "adding " + str(trackCt) + " " + str(
channel) + " " + str(note) + " " + str(
self.time) + " 1 127"
MyMIDI.addNote(trackCt, channel,
int(note) - 1, self.time, 0.5, 127)
trackCt = trackCt + 1
if len(lines.split(",")) == 6:
self.time = self.time + 0.25
with open("myfilename.mid", "wb") as output_file:
MyMIDI.writeFile(output_file)
def render_midi(spec_path, o_path="", cycle_instr=False):
with open(spec_path) as data:
spec = json.load(data)
tempo = spec['bpm']
tracks = spec['tracks']
for idx, t in enumerate(tracks):
nts = [(x + 1) + t['note_floor'] for x in t['notes']]
midi_track = MIDIFile(1)
note_dur = 4 / t['note_length']
track_notes = list(nts)
track = 0
channel = idx
time = note_dur
duration = note_dur
volume = 127 if 'midi_volume' not in t.keys() else t['midi_volume']
instrument = 1 if 'midi_instrument' not in t.keys() else t['midi_instrument']
midi_track.addTempo(track, time, tempo)
for i, pitch in enumerate(track_notes):
if cycle_instr:
instrument = int(abs(math.sin((1/(len(track_notes))) * i)) * 127)
midi_track.addProgramChange(track, channel, time * i, instrument)
midi_track.addNote(track, channel, pitch, time * i, duration, volume)
with open(o_path + '_-_Track 0' + str(idx+1)+".mid", "wb") as output_file:
midi_track.writeFile(output_file)
def __init__(self,
program,
tempo,
pitch,
chord,
duration=1,
volume=1,
start_beat=1,
trail_silence=1,
noise_type='none',
noise_volume=0):
self.program = program
self.tempo = tempo
self.pitch = pitch
self.chord = chord
self.duration = duration
self.volume = volume
self.start_beat = start_beat
self.trail_silence = trail_silence
self.noise_type = noise_type
self.noise_volume = noise_volume
self.track = 0
self.channel = 0
my_midi = MIDIFile(1)
my_midi.addTempo(self.track, 0, self.tempo)
for item in self.chord:
my_midi.addNote(self.track, self.channel, self.pitch + item,
self.start_beat, self.duration, self.volume)
my_midi.addProgramChange(self.track, self.channel, 0, self.program)
self.midi_file = my_midi
def writefile(self, filepath):
"""
Writes the current internal musical representation to the file
specified by ``filepath``.
"""
midi = MIDIFile(
sum(1 for v in self.voices if v) + 1, True, True, True, 1)
i = -1
for vindex in range(len(self.voices)):
voice = self.voices[vindex]
if not voice:
continue
i += 1
if i == 9: i += 1
time = 0.0
midi.addTempo(i, 0, self.tempo)
midi.addProgramChange(i, i, 0, self.instruments[vindex])
for note in voice:
if note.pitch >= 0:
midi.addNote(i, i, note.pitch, time, note.duration,
note.volume)
time += note.duration
time = 0.0
midi.addTempo(9, 0, self.tempo)
for note in self.drums:
if note.pitch >= 0:
midi.addNote(9, 9, note.pitch, time, note.duration,
note.volume)
time += note.duration
with open(filepath, "wb") as outputfile:
midi.writeFile(outputfile)
def make_midi(self, data_list):
degrees = []
volume = []
duration = []
# channel = []
track = []
time = []
for i in range(len(data_list)):
data_list[i] = data_list[i].strip('\n')
current = data_list[i].split(",")
degrees.append(int(current[0]))
volume.append(int(current[1]))
duration.append(float(current[2]))
track.append(int(current[3]))
time.append(float(current[4]))
"""
print(degrees)
print(volume)
print(duration)
print(track)
print(time)
"""
# degrees = [38, 42, 57, 38, 57, 42, 38] # MIDI note number
# track = 0
channel = 0
# time = 1 # In beats
# duration = [15, 15, 12, 13, 11, 13, 3] # In beats
tempo = 20 # In BPM
# volume = [110, 25, 100, 80, 40, 70, 120] # 0-127, as per the MIDI standard
program = 10
MyMIDI = MIDIFile(
3, deinterleave=False
) # One track, defaults to format 1 (tempo track is created
# automatically)
MyMIDI.addTempo(0, 1, tempo)
MyMIDI.addTempo(1, 1, tempo)
MyMIDI.addTempo(2, 1, tempo)
MyMIDI.addProgramChange(0, channel, 1, program)
MyMIDI.addProgramChange(1, channel, 1, program)
MyMIDI.addProgramChange(2, channel, 1, program)
for i, pitch in enumerate(degrees):
MyMIDI.addNote(track[i], channel, pitch, time[i], duration[i],
volume[i])
with open("simulacrum.mid", "wb") as output_file:
MyMIDI.writeFile(output_file)
fs = FluidSynth(usesoundfont) # usesoundfont is defined at top of code
fs.midi_to_audio('simulacrum.mid', 'simulacrum.wav')
AudioSegment.from_wav("simulacrum.wav").export("simulacrum.mp3",
format="mp3")
def write_midifile(progression_semitones, filename):
track = 0
channel_lead = 0
channel_bass = 1
channel_drums = 9
time = 0 # In beats
tempo = 60 # In BPM
volume = 100 # 0-127, as per the MIDI standard
MyMIDI = MIDIFile(1) # One track, defaults to format 1 (tempo track automatically created)
MyMIDI.addTempo(track, time, tempo)
MyMIDI.addProgramChange(track, channel_lead, 0, 0) # Piano
MyMIDI.addProgramChange(track, channel_bass, 0, 32) # Acoustic Bass
MyMIDI.addProgramChange(track, channel_drums, 0, 0) # Drums Channel
WITH_DRUMS = False
pitch_bassdrum = 35
pitch_snaredrum = 38
pitch_hihat = 42
duration_drums = 1
p_C1 = 24
p_C2 = 36
p_C3 = 48
start_pitch = p_C3
duration_bass = 4
durations_lead = [1] * (len(progression_semitones) - 1)
durations_lead.append(4)
for i, chord_semitones in enumerate(progression_semitones):
# The chord
for semitone in chord_semitones:
pitch_lead = start_pitch + semitone
MyMIDI.addNote(track, channel_lead, pitch_lead, time, durations_lead[i], volume)
# Bass note
pitch_bass = start_pitch - 12 + chord_semitones[0]
MyMIDI.addNote(track, channel_bass, pitch_bass, time, duration_bass, volume)
if WITH_DRUMS:
if time % 2 == 0:
MyMIDI.addNote(track, channel_drums, pitch_bassdrum, time, duration_drums, volume)
if time % 2 == 1:
MyMIDI.addNote(track, channel_drums, pitch_snaredrum, time, duration_drums, volume)
for i in [1,2,3,4]:
MyMIDI.addNote(track, channel_drums, pitch_hihat, time + (i-1)/4.0, duration_drums, volume)
time = time + 1
with open(filename, "wb") as output_file:
MyMIDI.writeFile(output_file)
def makemidi(img, midi, lo=74, hi=110):
if int(lo) > 0:
lo = 0
if int(hi) < 127:
hi = 127
filename = img
if filename.endswith('.png'):
a = cv2.imread(filename, cv2.IMREAD_UNCHANGED)
trans = a[:, :, 3] == 0
a[trans] = [255, 255, 255, 255]
a = cv2.cvtColor(a, cv2.COLOR_BGRA2BGR)
else:
a = cv2.imread(filename, cv2.IMREAD_UNCHANGED)
h, w = a.shape[:2]
scale = w / h
w = int(127 * scale)
dim = (w, 127)
res = cv2.resize(a, dim, interpolation=cv2.INTER_AREA)
gray = cv2.cvtColor(res, cv2.COLOR_BGR2GRAY)
(tresh, newimg) = cv2.threshold(gray, 127, 225, cv2.THRESH_BINARY)
# cv2.imshow('jjj', newimg)
# cv2.waitKey(0)
# cv2.destroyAllWindows()
color = 0
pixels1 = np.argwhere(newimg == 0)
pixels2 = np.argwhere(newimg == 225)
if pixels1.shape > pixels2.shape:
pixels = pixels2
else:
pixels = pixels1
MyMIDI = MIDIFile(
4) # One track, defaults to format 1 (tempo track is created
# automatically)
MyMIDI.addTempo(0, 0, 180 * scale)
MyMIDI.addProgramChange(0, 0, 0, 0)
for note, step in pixels:
MyMIDI.addNote(0, 0, 127 - note + 1, step, 1,
random.randint(int(lo), int(hi)))
with open(midi, "wb") as output_file:
MyMIDI.writeFile(output_file)
exit("write {} successful".format(midi))
def play_chord(notes, sf2, program):
notes = [n + 40 for n in notes]
t = 0 # In beats
duration = 1.5 # In beats
tempo = 60 # In BPM
MyMIDI = MIDIFile(1) # One track, defaults to format 1 (tempo track is created
# automatically)
MyMIDI.addTempo(0, t, tempo)
MyMIDI.addProgramChange(0, 0, 0, program) # Number is soundfount number
for i, pitch in enumerate(notes):
MyMIDI.addNote(0, 0, pitch, t + 0.02*i, duration, np.random.randint(80,120))
with open("chord.mid", "wb") as output_file:
MyMIDI.writeFile(output_file)
time.sleep(0.1)
os.system('fluidsynth --no-shell -a pulseaudio "sf2/%s" chord.mid &>/dev/null &' % (sf2))
print(sf2)
def convert(self, tune: Tune, output_file_path: str):
midi_file = MIDIFile(
numTracks=len(tune.tracks)
)
midi_file.addTempo(0, 0, tune.bpm)
length_of_quarter_seconds = 60 / tune.bpm
for idx, track in enumerate(tune.tracks):
midi_file.addTrackName(idx, 0.0, 'Track ' + str(idx))
midi_file.addProgramChange(idx, idx, 0.0, self._generate_program_number(track.timbre))
for note in track.notes:
start_time_in_quarters = note.start_time_seconds / length_of_quarter_seconds
length_in_quarters = (note.end_time_seconds - note.start_time_seconds) / length_of_quarter_seconds
midi_file.addNote(idx, idx, note.note, start_time_in_quarters, length_in_quarters, round(note.velocity * 127))
with open(output_file_path, "wb") as output_file:
midi_file.writeFile(output_file)
def write_midi(input_data, output_file, mode="pitch"):
midi = MIDIFile(1)
midi.addTrackName(track=0, time=0, trackName="Sample Track")
midi.addTempo(track=0, time=0, tempo=BPM)
for track in range(len(input_data)):
if mode == "both" and track >= len(input_data) // 2:
break
midi.addProgramChange(0, track, 0, program=INSTRUMENTS[track])
track_data = input_data[track]
time_per_note = SONG_LEN / len(track_data)
for i, note in enumerate(track_data):
z = percentile(track_data, note)
if mode == "both":
volume_track = input_data[track + len(input_data) // 2]
index = int(i * len(volume_track) / len(track_data))
volume_z = percentile(volume_track, volume_track[index])
volume = int(volume_z * 100) + 1
assert 127 > volume >= 0
midi.addNote(track=0,
channel=track,
pitch=get_pitch(z * TOTAL_RANGE),
time=time_per_note * i,
duration=time_per_note,
volume=volume)
elif mode == "pitch":
midi.addNote(track=0,
channel=track,
pitch=get_pitch(z * TOTAL_RANGE),
time=time_per_note * i,
duration=time_per_note,
volume=100)
elif mode == "volume":
midi.addNote(track=0,
channel=track,
pitch=60 + 12 * track,
time=time_per_note * i,
duration=time_per_note,
volume=int(z * 100))
with open(output_file, 'wb') as binfile:
midi.writeFile(binfile)
class SaveMIDI:
def __init__(self, tempo, instrument, background, file_path):
self.track = 0
self.channel = 0
self.channel2 = 1
self.time = 0
self.back_time = 0
self.tempo = tempo
self.volume = 100
self.volume2 = 65
self.instrument = instrument
self.background = background
self.file_path = file_path
self.MyMIDI = MIDIFile(1, file_format=0)
self.create_midi()
def create_midi(self):
self.MyMIDI.addTempo(self.track, self.time, self.tempo)
self.MyMIDI.addProgramChange(
self.track, self.channel, self.time,
self.instrument) # ustawienia linii melodycznej
self.MyMIDI.addProgramChange(self.track, self.channel2, self.time,
self.background) # ustawienia podkładu
def save_midi(self):
with open(self.file_path + ".mid", "wb") as output_file:
self.MyMIDI.writeFile(output_file)
def write_midi(self, tacts):
for notes in tacts:
for note in notes:
self.MyMIDI.addNote(self.track, self.channel, note[0],
self.time, note[1], self.volume)
self.time = self.time + note[1]
def write_background(self, tacts):
for notes in tacts:
for note in notes:
self.MyMIDI.addNote(self.track, self.channel2, note,
self.back_time, 2, self.volume2)
self.back_time = self.back_time + 2
def generate_midi(notes, instrument, tempo, file_name):
"""Generate midi file from notes array."""
track = 0
channel = 0
time = 0
MyMIDI = MIDIFile(1)
MyMIDI.addTempo(track, time, tempo)
MyMIDI.addProgramChange(track, channel, 0, instrument)
duration_counter = 0
for pitch, duration, volume in notes:
MyMIDI.addNote(track, channel, pitch, time + duration_counter,
duration, volume)
duration_counter = duration_counter + duration
with open(file_name + ".mid", "wb") as output_file:
MyMIDI.writeFile(output_file)
def midiGenerator(self,a):
MyMIDI = MIDIFile(1)
MyMIDI.addProgramChange(self.track, self.channel, self.time,1)
MyMIDI.addTempo(self.track, self.time, self.tempo)
time=0
for i in range(len(a[0])):
for j in range(len(a)):
duration = self.duration
if a[j][i]!='-':
if a[j][i+1]=='-':
duration = self.duration+1
MyMIDI.addNote(self.track,self.channel,int(a[j][i]),time,duration,self.volume)
time+=self.time
with open("output.mid", "wb") as output_file:
MyMIDI.writeFile(output_file)
class Transcriber:
# https://soundprogramming.net/file-formats/general-midi-instrument-list/
# 1 track, each index is a channel
def __init__(self, file_name):
self.file_name = file_name
def compile(self, song_generator):
self.generator = MIDIFile(1)
for i in song_generator.song:
self.generator.addProgramChange(0, song_generator.song[i]["channel"], 0, song_generator.song[i]["program"])
for note in song_generator.song[i]["note_series"]:
self.generator.addNote(0, song_generator.song[i]["channel"], note["pitch"], note["time"], note["duration"], note["volume"])
for i in song_generator.events:
if i["type"] == "tempo":
self.generator.addTempo(0, i["time"], i["value"])
self.write_to_file()
def write_to_file(self):
with open(self.file_name, "wb") as output_file:
self.generator.writeFile(output_file)
def convert_to_midi(seq_note, file, repertory="output/"):
track = 0
channel = 9
tempo = 120 # In BPM
volume = 100 # 0-127, as per the MIDI standard
my_midi = MIDIFile(
1
) # One track, defaults to format 1 (tempo track is created automatically)
my_midi.addTempo(track, 0, tempo)
my_midi.addProgramChange(0, 10, 0, 0)
my_midi.tracks[0].addChannelPressure(0, 4, 0)
for note in seq_note:
#print(note)
my_midi.addNote(track, channel, note.pitch, note.timestamp,
note.duration, volume)
with open(repertory + file, "wb") as output_file:
my_midi.writeFile(output_file)
class MelodyCreator:
def __init__(self, path='melody.mid', tempo=200):
self._path = path
self._melody = MIDIFile(1, True, True, True)
self._track = 0
self._tempo = tempo
self._melody.addTempo(self._track, 0, tempo)
self._free_channels = [x for x in range(16, -1, -1) if x != 9]
self._current_channel = 0
self._beat_instrument = 0
self._beat_drum = 0
def add_instrument(self, instrument_number):
self._current_channel = self._free_channels.pop()
self._melody.addProgramChange(self._track, self._current_channel, 0,
instrument_number)
self._beat_instrument = 0
def add_instrument_pattern(self, pattern):
self._beat_instrument = self._add_pattern(self._current_channel,
self._beat_instrument,
pattern)
def add_drum_pattern(self, pattern):
self._beat_drum = self._add_pattern(9, self._beat_drum, pattern)
def _add_pattern(self, channel, start_beat, pattern):
for bar in pattern.bars:
for notes in bar.beats:
for note in notes:
self._add_note(channel, start_beat, note)
start_beat += 1
return start_beat
def _add_note(self, channel, beat, note):
self._melody.addNote(self._track, channel, note.pitch, beat,
note.duration, note.volume)
def save_melody(self):
with open(self._path, "wb") as output_file:
self._melody.writeFile(output_file)
def export_midi_score(self):
my_midi = MIDIFile(1, eventtime_is_ticks=True)
print(f"Tempo: {self.tempo}")
my_midi.addTempo(0, 0, self.tempo)
my_midi.addProgramChange(0, 0, 0, 73)
for current_phrase in self.phrases:
for current_measure in current_phrase.measures:
for current_obj in current_measure.notes:
offset_in_ticks = int(current_obj.absolute_offset * 960)
duration_in_ticks = int(current_obj.duration * 960)
if isinstance(current_obj, Note):
my_midi.addNote(
0, 0, current_obj.midi_num, offset_in_ticks,
duration_in_ticks, 100
)
try:
with open("theme.mid", "wb") as midi_output:
my_midi.writeFile(midi_output)
except PermissionError:
print("You must close the previous midi file to overwrite it.")
def create_track_map(midi_instance: MIDIFile, tempo: int = 90):
track_map = {}
i = 0
for k, v in channel_map.items():
track = Track.create_track(midi_instance=midi_instance,
track=i,
channel=v,
tempo=tempo,
track_name=k)
print('track = %d, channel = %d' % (i, v))
if v != 9:
midi_instance.addProgramChange(i, i, 0,
get_channel_program_int(v))
track_map[reversed_channel_map[v]] = track
midi_instance.addControllerEvent(
track=i,
channel=v,
time=0,
controller_number=Track.PAN_CONTROLLER_NUMBER,
parameter=channel_panning_map[k])
i += 1
return track_map
def write_midi_from_counterpoint(self, lines: list[list[RhythmicValue]], filename: str, speed_up: float = 1.0 ) -> None:
if lines is None: return
tempo = 672 * speed_up
channel = 0
start_time = 0
CounterpointMIDI = MIDIFile(len(lines), deinterleave=False, removeDuplicates=False)
for i, line in enumerate(lines):
#75 is the "recorder" instrument in General MIDI
instrument = 75 if i == 0 else 70
volume_level = 100 if i == 0 else 95
CounterpointMIDI.addProgramChange(i, i, 0, instrument)
track = i
channel = i
CounterpointMIDI.addTempo(track, start_time, tempo)
time_index = start_time
for entity in line + [Rest(8)]:
duration = entity.get_duration()
pitch = entity.get_pitch_value() if isinstance(entity, Pitch) else 0
volume = volume_level if isinstance(entity, Pitch) else 0
CounterpointMIDI.addNote(track, channel, pitch, time_index, duration, volume)
time_index += duration
with open(filename, "wb") as output_file:
CounterpointMIDI.writeFile(output_file)
def create_midi_file(self, file_name=None):
track = 0
channel = 9
tempo = 120 # In BPM
volume = 100 # 0-127, as per the MIDI standard
my_midi = MIDIFile(
1
) # One track, defaults to format 1 (tempo track is created automatically)
my_midi.addTempo(track, 0, tempo)
my_midi.addProgramChange(0, 10, 0, 0)
my_midi.tracks[0].addChannelPressure(0, 4, 0)
repertory = "output/"
if file_name is not None:
file = file_name + ".mid"
else:
file = str(self.ind) + ".mid"
for note in self.sequence:
my_midi.addNote(track, channel, note.bit.pitch, note.bit.timestamp,
note.bit.duration, volume)
with open(repertory + file, "wb") as output_file:
my_midi.writeFile(output_file)
def run(instrument, notes):
o = instrument
if instrument == "Piano":
instrument = 2
elif instrument == "Guitar":
instrument = 26
elif instrument == "Bass":
instrument = 34
midi = MIDIFile(1)
midi.addProgramChange(0, 0, 0, instrument)
k = len(notes)
if instrument == 2:
s = 51
elif instrument == 26:
s = 40
else:
s = 30
for i in range(k):
for j in range(6):
if notes[i][j] == 1:
midi.addNote(0, 0, s + i, j, 1, 100)
with open("Samples/%s.mid" % (o), "wb") as output_file:
midi.writeFile(output_file)
def build_midi_file(self) -> MIDIFile:
# Compress runs of the same note
reduces_song_map: typing.List[typing.Tuple[str, int]]
reduced_song_map = [(self.song_map[0], 1)] # [(note, duration), ...]
for note in self.song_map[1:]:
if note == "-":
last = reduced_song_map[-1]
reduced_song_map[-1] = (last[0], last[1] + 1)
else:
reduced_song_map.append((note, 1))
midi = MIDIFile()
midi.addTempo(0, 0, self.bpm)
midi.addProgramChange(0, 0, 0, 7)
offset = 0
for note, count in reduced_song_map:
if note not in (".", "—"):
pitch = self.midi_notes[note]
duration = count - 0.5
midi.addNote(0, 0, pitch, offset, duration, 127)
offset += count
return midi
Drums[(xNote, yNote)] = Percussion
Percussion += 1
track = 0 # Midi allows for multiple tracks to be written. 0 is one track, 1 is an additional track, and so on.
count = 0 # This declares where the note will be placed based on beats.
duration = 1 # How long a note will last (in beats).
tempo = 144 # Beats Per Minute (BPM)
volume = 127 # 0-127, as per the MIDI standard
midi = MIDIFile(1) #Calling of the midiutil module
midi.addTempo(track, count, tempo)
midi.addTrackName(
track, count, "Langton's Launch Jams."
) #Title of the midi file (can only be viewed in notation software)
midi.addProgramChange(track, 0, count, 107)
def writeMidi(ant): #Function to write the chords in the midi file
x, y = (ant.curpos['x'] / 64), (
ant.curpos['y'] / 64
) #Takes the ant's current x and y position and divides both values by 64,
#this is so because the ant's position increments 64 pixels at a time.
chord = Notes[int(x)][int(
y)] #finds the chord in Notes based on the x and y value of the ant
for i in chord:
midi.addNote(track, 0, i, ant.turns, 2,
volume) #Function to add the note to the midi file.
#midi.addnote(track, channel, pitch, time, duration, volume)
if ant.turns == 5000: #Outputs the midi file after 5000 turns. This number can be changed to anything, beware that a bigger number
def create_midi(path_midi, protein, midi_keys, tempo, instrus, aa_phy_chi,
logger, debug=False):
'''
Creates the MIDI file from the protein data.
:param str path_midi: the path to the MIDI file.
:param dict protein: the dictionary descri the protein.
:param dict midi_keys: the dictionary of the keys
:param list initial_keys: the list of the initial keys
:param int tempo: the tempo in BPM
:param list instrus: the list of the MIDI instrument numbers
:param dict aa_phy_chi: dictionary of the physico-chemical attributes of the amino acids
:param logger logger: the logger
:param boolean debug: the enable debug mode
:return: the list of keys durations
:rtype: list of floats
'''
# octaves DO, RE, MI, FA, SOL, LA, SI. 2 octaves and 1 more SOL,
# the remaining 7 keys are altérations (#)
KEYS_OCTAVE_ALTERATIONS = [48, 50, 52, 53, 55, 57, 59, 60, 62, 64, 65, 67,
69, 71, 72, 54, 66, 49, 61, 56, 68, 51]
KEYS_OCTAVE_ONLY = KEYS_OCTAVE_ALTERATIONS[:15]
with open(path_midi, 'wb') as midiFile:
track = 0
time = 0 # In beats
# a channel is defined by an instrument nbr and
# a volume (0-127, as per the MIDI standard,
# see: http://www.pjb.com.au/muscript/gm.html)
# channel 9 is for percussions
# (see https://pjb.com.au/muscript/gm.html#perc)
channels = {0: {'instrument': instrus[0], 'vol': 100},
1: {'instrument': instrus[1], 'vol': 40},
2: {'instrument': instrus[2], 'vol': 60}}
if debug:
logger.info('Instrument number by channel, see: http://www.pjb.com.au/muscript/gm.html for instruments number correspondance:')
for channel_nb in channels:
logger.info('\tchannel {}: instrument {}'.format(channel_nb,
channels[channel_nb]['instrument']))
MyMIDI = MIDIFile(numTracks=1, adjust_origin=False) # One track, defaults to format 1 (tempo track automatically created)
MyMIDI.addTempo(track, time, tempo)
# add the channels (1 per instrument)
for channel_nbr in channels:
MyMIDI.addProgramChange(track, channel=channel_nbr,
time=time,
program=channels[channel_nbr]['instrument'])
sequence_length = len(protein['seq'])
durations_list = []
for i in range(0, sequence_length):
AA = protein['seq'][i]
pitch_list = [midi_keys[AA]]
if i == 0:
prev_AA = protein['seq'][sequence_length - 1]
next_AA = protein['seq'][i + 1]
elif i == sequence_length - 1:
prev_AA = protein['seq'][i - 1]
next_AA = protein['seq'][0]
else:
prev_AA = protein['seq'][i - 1]
next_AA = protein['seq'][i + 1]
# set the duration of the key (current AA) depending on the number
# of shared properties with the next AA
if AA == 'X' or next_AA == 'X': # non determined AA
shared_properties_current_next = 0
else:
shared_properties_current_next = len(set.intersection(aa_phy_chi[AA],
aa_phy_chi[next_AA]))
if shared_properties_current_next == 0:
duration = 1
elif shared_properties_current_next == 1:
duration = 1.5
elif shared_properties_current_next == 2:
duration = 2
else:
duration = 4
# add each duration adjusted with the tempo
durations_list.append(float(duration) * (60 / tempo))
# set the chords depending on number of shared properties between
# current AA and the previous AA
if AA == 'X' or prev_AA == 'X': # non determined AA
shared_properties_current_previous = 0
else:
shared_properties_current_previous = len(set.intersection(aa_phy_chi[AA],
aa_phy_chi[prev_AA]))
if shared_properties_current_previous == 2:
# 2 keys chord
keys_in_chord = 2
idx_key = KEYS_OCTAVE_ALTERATIONS.index(midi_keys[AA])
pitch_list = create_chord(pitch_list, keys_in_chord, idx_key,
KEYS_OCTAVE_ONLY)
elif shared_properties_current_previous == 3:
# 3 keys chord
keys_in_chord = 3
idx_key = KEYS_OCTAVE_ALTERATIONS.index(midi_keys[AA])
pitch_list = create_chord(pitch_list, keys_in_chord, idx_key,
KEYS_OCTAVE_ONLY)
elif shared_properties_current_previous >= 4:
# 4 keys chord
keys_in_chord = 4
idx_key = KEYS_OCTAVE_ALTERATIONS.index(midi_keys[AA])
pitch_list = create_chord(pitch_list, keys_in_chord, idx_key,
KEYS_OCTAVE_ONLY)
# change the volume of each instrument depending on the structure
if 'structure' in protein.keys():
if i in protein['structure'].keys():
logger.debug('{}: {}'.format(protein['structure'][i], i))
if protein['structure'][i] == 'HELIX':
channels[0]['vol'] = 40
channels[1]['vol'] = 100
channels[2]['vol'] = 60
elif protein['structure'][i] == 'STRAND':
channels[0]['vol'] = 60
channels[1]['vol'] = 40
channels[2]['vol'] = 100
elif protein['structure'][i] == 'TURN':
channels[0]['vol'] = 100
channels[1]['vol'] = 40
channels[2]['vol'] = 60
else:
channels[0]['vol'] = 100
channels[1]['vol'] = 60
channels[2]['vol'] = 40
if debug:
logger.debug('position: {}'.format(i))
logger.debug('AA: {}'.format(AA))
logger.debug('pitch: {}'.format(pitch_list))
logger.debug('time: {}'.format(time))
logger.debug('duration: {}'.format(duration))
for channel_nbr in channels:
for pitch in pitch_list:
MyMIDI.addNote(track,
channel=channel_nbr,
pitch=pitch,
time=time,
duration=duration,
volume=channels[channel_nbr]['vol'])
time = time + duration
MyMIDI.writeFile(midiFile)
return durations_list
range(88, 95)) + list(range(112, 119))
main_track_instruments = list(range(7)) + list(range(16, 31)) + list(
range(40, 79)) + list(range(104, 111))
# Choosing the instruments randomly from the list
beat_track_instr = beat_track_instruments[random.randint(
0,
len(beat_track_instruments) - 1)]
main_track_instr = main_track_instruments[random.randint(
0,
len(main_track_instruments) - 1)]
# Changing Beat Track to Beat Track Instrument
MyMIDI.addProgramChange(beat_track, beat_channel, beat_time, beat_track_instr)
# Add Beat Track to MIDIFile Object
t = 0
for i, pitch in enumerate(beat_degrees):
duration = durations[i % len(durations)]
MyMIDI.addNote(beat_track, beat_channel, pitch, beat_time + t,
durations[i], beat_volume)
t = t + durations[i]
# Changing Main Track to Main Track Instrument
MyMIDI.addProgramChange(music_track, music_channel, music_time,
main_track_instr)
