def __init__(self, inFilename, outFilename):
MIDIFile.__init__(self, numTracks=MIDIView.voices, deinterleave=False)
self.reset(inFilename, outFilename)
self.setMono()
self.chunkSize = int(self.rate * Isolator.resolution)
self.indexes = range(self.chunkSize,
len(self.mono) + 1, self.chunkSize)
def save_genome_to_midi(filename: str, genome: Genome, num_bars: int,
num_notes: int, num_steps: int, pauses: bool, key: str,
scale: str, root: int, bpm: int):
melody = genome_to_melody(genome, num_bars, num_notes, num_steps, pauses,
key, scale, root)
if len(melody["notes"][0]) != len(melody["beat"]) or len(
melody["notes"][0]) != len(melody["velocity"]):
raise ValueError
mf = MIDIFile(1)
track = 0
channel = 0
time = 0.0
mf.addTrackName(track, time, "Sample Track")
mf.addTempo(track, time, bpm)
for i, vel in enumerate(melody["velocity"]):
if vel > 0:
for step in melody["notes"]:
mf.addNote(track, channel, step[i], time, melody["beat"][i],
vel)
time += melody["beat"][i]
os.makedirs(os.path.dirname(filename), exist_ok=True)
with open(filename, "wb") as f:
mf.writeFile(f)
def getNoteGroupCluster(vsqxPath):
# Encode info into vector
df = None
params = None
noteClusterList = []
path = PurePath(vsqxPath)
vsqx = xml.dom.minidom.parse(str(path))
TEMPO = int(
vsqx.getElementsByTagName('tempo')
[0].childNodes[1].firstChild.data[:-2])
mf = MIDIFile(len(vsqx.getElementsByTagName('vsTrack')),
removeDuplicates=False)
time = 0
for trackNo, track in enumerate(vsqx.getElementsByTagName('vsTrack')):
mf.addTrackName(trackNo, time, "Track {}".format(str(trackNo)))
#print('track: ',trackNo)
#i = 0
timeOffset = 0
prevTime = 0
durTime = 0
for noteCount, note in enumerate(track.getElementsByTagName('note')):
#print(noteCount)
params, noteClusterList = createNoteCluster(
note, params, noteClusterList, track)
#mf.addNote(trackNo, 0, getNoteData(note, 'n'), currTime / 480, getNoteData(note, 'dur') / 480, 64)
#mf.addTempo(trackNo, time, TEMPO)
return (params, noteClusterList)
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 write_midi(melody, id):
old_pitch_list = melody.strip().split(' ')
pitch_list = []
for i in range(len(old_pitch_list)):
if i % 2 == 0:
pitch_list.append(old_pitch_list[i])
# return pitch_list
# create your MIDI object
mf = MIDIFile(1) # only 1 track
track = 0 # the only track
time = 0 # start at the beginning
mf.addTrackName(track, time, "Sample Track" + str(id))
mf.addTempo(track, time, 120)
# add some notes
channel = 0
volume = 100
for note in pitch_list:
pitch = pitch_dict[note]
duration = 1 # 1 beat long
mf.addNote(track, channel, pitch, time, duration, volume)
time += 2
# write it to disk
with open("/home/ubuntu/team15/midi/record/" + str(id) + '.txt',
'w') as outtxt:
for pitch in pitch_list:
outtxt.write("%s\n" % pitch)
midi_name = str(id) + ".mid"
with open("/home/ubuntu/team15/midi/" + midi_name, 'wb') as outf:
mf.writeFile(outf)
return midi_name
def save(Clip, filename='music.mid', tempo=140):
track = 0
time = 0
channel = 0
duration = 0
MIDI = MIDIFile(1)
MIDI.addTempo(track, time, tempo)
durations_index = 0
for i, pitch in enumerate(Clip.midi_notes):
if type(pitch) is int:
if pitch != -1:
MIDI.addNote(track, channel, pitch, time + i,
Clip.durations[durations_index],
Clip.accent_map[i])
else:
for pitch2 in Clip.midi_notes[i]:
MIDI.addNote(track, channel, pitch2, time + i,
Clip.durations[durations_index],
Clip.accent_map[i])
if pitch != -1: durations_index += 1
with open(filename, "wb") as output_file:
MIDI.writeFile(output_file)
def write_midi(self,name):
"""writes midi file for the piece"""
time = 0
MyMIDI = MIDIFile(1)
MyMIDI.addTempo(track, time, tempo)
for idea in self.ideas:
for note in idea.melody:
for pitch in note.pitch:
MyMIDI.addNote(track, channel, pitch, time, note.duration, volume)
time += note.duration
# adding bass
time = 0
for idea in self.ideas:
for note in idea.bass:
for pitch in note.pitch:
MyMIDI.addNote(track, channel+1, pitch, time, note.duration, volume)
time += note.duration
with open(f"{name}.mid", "wb") as output_file:
MyMIDI.writeFile(output_file)
print(f'Done! Midi file saved as "{name}.mid"')
def createMIDI(tempo):
midiFile = MIDIFile(1)
midiFile.addTempo(0, 0, tempo)
return midiFile
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 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 save_melody_to_midi(melody, filename: str):
if len(melody["notes"][0]) != len(melody["beat"]) or len(
melody["notes"][0]) != len(melody["velocity"]):
raise ValueError
mf = MIDIFile(1)
track = 0
channel = 0
time = 0.0
mf.addTrackName(track, time, "Sample Track")
mf.addTempo(track, time, bpm)
for i, vel in enumerate(melody["velocity"]):
if vel > 0:
for step in melody["notes"]:
mf.addNote(track, channel, step[i], time, melody["beat"][i],
vel)
time += melody["beat"][i]
os.makedirs(os.path.dirname(filename), exist_ok=True)
with open(filename, "wb") as f:
mf.writeFile(f)
def __init__(self, tempo=120):
self.tempo = tempo # In BPM
self.track = 0
self.time = 0
self.channel = 0
self.MyMIDI = MIDIFile(1) # One track, defaults to format 1
self.MyMIDI.addTempo(self.track, self.time, self.tempo)
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 play_midi_file(
midi: MIDIFile,
tmp_dir="temp",
soundfont='mung2midi/UprightPianoKW-small-SF2-20190703/UprightPianoKW-small-20190703.sf2',
cleanup=False):
"""Plays (or attempts to play) the given MIDIFile object.
:param midi: A ``midiutils.MidiFile.MIDIFile`` object
containing the data that you wish to play.
:param tmp_dir: A writeable directory where the MIDI will be
exported into a temporary file.
:param soundfont: A *.sf2 soundfont for FluidSynth to load.
"""
tmp_midi_path = os.path.join(tmp_dir,
'play_' + str(uuid.uuid4())[:8] + '.mid')
with open(tmp_midi_path, 'wb') as hdl:
midi.writeFile(hdl)
if not os.path.isfile(tmp_midi_path):
logging.warning('Could not write MIDI data to temp file {0}!'.format(
tmp_midi_path))
return
play_midi_file_from_disk(tmp_midi_path, soundfont)
# Here's hoping it's a blocking call. Otherwise, just leave the MIDI;
# MUSCIMarker cleans its tmp dir whenever it exits.
if cleanup:
os.unlink(tmp_midi_path)
def __init__(self): self.mid = MIDIFile(1) # Where prospective midi files are stored self.track = 0 self.channel = 0 self.time = 0 self.tempo = 140 # in BPM self.volume = 100
def generate_measure(num_tracks: int, drum_groups: List[DrumGroup], drum_hits: pd.DataFrame) -> MIDIFile:
"""
Core function that generates a measure of drum hits. Places contents in what is effectively a
temporary container
"""
midi_measure = MIDIFile(numTracks=num_tracks)
for row in drum_hits.itertuples():
time = row.Index
for i, drum_group in enumerate(drum_groups):
# Slice the drum group out of the set of groups
# Offset of 1 to adjust for presence of pandas Index column
l_bound = i * len(DrumChance._fields) + 1
drum_chance = DrumChance(*row[l_bound:l_bound + len(DrumChance._fields)])
# Core random check which drives the drum hit
if random.random() <= drum_chance.prob_hit:
nudge = random.randrange(-1 * drum_group.nudge, drum_group.nudge) * 0.01
# Choose which drum from set of drum groups based on stated probabilities
pitch_pos = np.random.choice(np.arange(0, len(drum_group.prob_pitch)), p=drum_group.prob_pitch)
midi_measure.addNote(track=drum_group.track - 1,
channel=0,
pitch=drum_group.midi_pitch_set[pitch_pos],
time=max(0, time + nudge),
duration=(drum_chance.duration / pulses_beat) - nudge,
volume=random.randint(drum_chance.min_vol, drum_chance.max_vol))
return midi_measure
def __init__(self, tempo=120, volume=100):
self.tempo = tempo # In BPM
self.track = 0
self.time = 0
self.volume = volume # 0-127, as per the MIDI standard
self.channel = 0
self.MyMIDI = MIDIFile(1) # One track, defaults to format 1
self.MyMIDI.addTempo(self.track, self.time, self.tempo)
def __init__(self, tempo):
self.track = 0
self.channel = 10 # channel (drum standard)
self.volume = 100 # volume
self.__MyMIDI = MIDIFile(
1
) # one track, defaults to format 1 (tempo track is created automatically)
self.__MyMIDI.addTempo(self.track, 0, tempo) # add tempo (bpm) to file
def createSong(self):
self.MyMIDI = MIDIFile(1, removeDuplicates=True,
adjust_origin=True) # One track
self.MyMIDI.addTempo(self.track, self.time, self.tempo)
self.createDictionaries()
self.createLists()
self.implementSong(self.entryText)
self.saveSong()
def __init__(self, tempo):
self.track = 0
self.channel = 10
self.volume = 100 # 0-127, as per the MIDI standard
self.__MyMIDI = MIDIFile(
1
) # One track, defaults to format 1 (tempo track is created automatically)
self.__MyMIDI.addTempo(self.track, 0, tempo)
def __init__(self, generator):
self.midiExportFile = MIDIFile(2)
# (track, time, tempo)
self.midiExportFile.addTempo(1000, 0, bpm)
numerator = generator.beatPerMeasure
denominator = int(math.log(generator.beatUnit, 2))
clocksPerTick = int(24 * (4 / generator.beatUnit))
self.midiExportFile.addTimeSignature(1000, 0, numerator, denominator,
clocksPerTick)
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 __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 convert_to_MIDI(self, degrees, track=0, channel=0, time=1, tempo=100, volume=100): MIDI_File = MIDIFile(1) MIDI_File.addTempo(track,time,tempo) degrees = self.calculate_degress(SOL) for time_inc, pitch in enumerate(degrees): MIDI_File.addNote(track, channel, pitch, time + time_inc, duration volume) return MIDI_File
class MIDISetup:
def __init__(self, outputFileName):
self.outputFileName = outputFileName
def __enter__(self):
self.midi = MIDIFile(
3) # One track, defaults to format 1 (tempo track is created
return self.midi
def __exit__(self, type, value, traceback):
with open("{}.mid".format(self.outputFileName), "wb") as output_file:
self.midi.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 createAnnotation(yPred, frameduration, audiopath, audiofilename, noteMin):
track = 0
channel = 0
time = 0
tempo = 60
MyMIDI = MIDIFile(1)
MyMIDI.addTempo(track, time, tempo)
lengthAudioFrames = len(yPred)
times = np.arange(0.00, lengthAudioFrames, frameduration)
times = ["%.2f" % (round(t, 2)) for t in times]
offset = (preprocessing.getMIDIfromNote(noteMin)) - 1
notesPred = preprocessing.getNotesfromF0Labels(yPred, offset)
startTimesList = []
endTimesList = []
notesList = []
for index, note in enumerate(notesPred):
if(note == 'None'):
continue
else:
if(note == notesPred[index-1] and note == notesPred[index+1]):
continue
else:
if(note != notesPred[index-1] and note != notesPred[index+1]):
startTimesList.append(times[index])
notesList.append(note)
endTimesList.append(times[index])
MIDIpitch = preprocessing.getMIDIfromNote(note)
MIDItime = float(times[index])
MIDIduration = 0.01
MyMIDI.addNote(track, channel, MIDIpitch, MIDItime, MIDIduration, volume=100)
elif(note != notesPred[index-1] and note == notesPred[index+1]):
startTimesList.append(times[index])
notesList.append(note)
elif(note == notesPred[index-1] and note != notesPred[index+1]):
endTimesList.append(times[index])
MIDIpitch = preprocessing.getMIDIfromNote(note)
MIDItime = float(startTimesList[-1])
MIDIduration = float(times[index]) - MIDItime + 0.01
MyMIDI.addNote(track, channel, MIDIpitch, MIDItime, MIDIduration, volume=100)
startTimes = pd.DataFrame(startTimesList)
endTimes = pd.DataFrame(endTimesList)
notes = pd.DataFrame(notesList)
groundTruthClean = pd.concat([startTimes, endTimes, notes], axis=1)
groundTruthClean.columns = ["Start Time (s)", "End Time (s)", "Note"]
fileIsol = preprocessing.extractFileName(audiofilename)
groundTruthClean.to_csv(audiopath+'/'+fileIsol+'.csv', sep=',')
with open(audiopath+'/'+fileIsol+".mid", "wb") as outputFile:
MyMIDI.writeFile(outputFile)
print("Created groundtruth .csv and MIDI under filename in project filepath")
def write_to_midi(song, filename, *tempo):
track = 0
channel = 0
time = 0 # In beats
if not tempo:
tempo = 160 # In BPM
else:
tempo = tempo[0]
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)
for i in range(len(song)):
if song[i][0] < 60:
volume = 92
elif song[i][0] < 50:
volume = 86
elif song[i][0] < 45:
volume = 83
else:
volume = 100
MyMIDI.addNote(track, channel, song[i][0], song[i][2],
Space_Values[song[i][1]], volume)
with open(filename + ".mid", "wb") as output_file:
MyMIDI.writeFile(output_file)
def generate_melody(length, root):
#seed the randome number generator
seed()
base = int(root)
len = int(length)
#prepare a major scale array based off the root, C4 is 60
notes = [base+0, base+2, base+4, base+5, base+7, base+9, base+11, base+12]
degrees = []
#generate a sequence of the length
for i in range(0, len):
degrees.append(notes[randint(0,7)])
track = 0
channel = 0
time = 0 #in beats
duration = randint(1,4,len) #in beats
tempo = 100 #in BPM
volume = 100 #0-127, as per the MIDI standard
MyMIDI = MIDIFile(1) #one track, defaults to format 1(tempo track created auto)
MyMIDI.addTempo(track,time,tempo)
current = 0
for i, pitch in enumerate(degrees):
MyMIDI.addNote(track, channel, pitch, current, duration[i], volume)
current = current + duration[i]
with open("generated.mid", "wb") as output_file:
MyMIDI.writeFile(output_file)
async def make_midi(self, tempo: int, data: str) -> MIDIFile:
midi_file = MIDIFile(1)
midi_file.addTrackName(0, 0, 'beep boop')
midi_file.addTempo(0, 0, tempo)
channel_datas = data.split('|')
log.debug(f'creating MIDI out of "{data}"')
for channel_index, channel_data in enumerate(channel_datas):
await self.add_channel(midi_file, channel_index, channel_data)
log.info('successfully created MIDI')
return midi_file