def savefile(self):
"""Construct MIDI file and save"""
global pad_records, instrument, pitch
MyMIDI = MIDIFile(1)
MyMIDI.addTempo(0, 0, 600)
for i in range(0, total_pads):
print len(pad_records["pad{0}".format(i+1)])
MyMIDI.addProgramChange(0, i, 0, instrument[i]) # set channel instrument
print instrument[i]
for j in range(0, len(pad_records["pad{0}".format(i+1)])):
# print pad_records["pad{0}".format(i+1)][j]/8
if j == 0:
MyMIDI.addNote(0, i, pitch[i], 0, len(pad_records["pad{0}".format(i+1)]), pad_records["pad{0}".format(i+1)][j]/8)
print "ch" + str(i) + " pitch: " + str(pitch[i]) + " vol:" + str(pad_records["pad{0}".format(i+1)][j]/8)
else:
MyMIDI.addControllerEvent(0, i, j, 0x07, pad_records["pad{0}".format(i+1)][j]/8)
print " vol:" + str(pad_records["pad{0}".format(i+1)][j]/8)
filename = self.browse_filepath.get() + "/" + self.saveFileName.get()
# try:
binfile = open(filename, 'wb')
MyMIDI.writeFile(binfile)
binfile.close()
print "saved"
class PatternWriterMIDI: def __init__(self, numtracks = 1): self.score = MIDIFile(numtracks) self.track = 0 self.channel = 0 self.volume = 64 def addTrack(self, pattern, tracknumber = 0, trackname = "track", dur = 1.0): time = 0 # naive approach: assume every duration is 1 # TODO: accept dicts or PDicts try: for note in pattern: vdur = Pattern.value(dur) if note is not None and vdur is not None: self.score.addNote(tracknumber, self.channel, note, time, vdur, self.volume) time += vdur else: time += vdur except StopIteration: # a StopIteration exception means that an input pattern has been exhausted. # catch it and treat the track as completed. pass def addTimeline(self, timeline): # TODO: translate entire timeline into MIDI # difficulties: need to handle degree/transpose params # need to handle channels properly, and reset numtracks pass def writeFile(self, filename = "score.mid"): fd = open(filename, 'wb') self.score.writeFile(fd) fd.close()
def convert_to_song(file_name):
mf = MIDIFile(1)
track = 0
time = 0
mf.addTempo(track, time, 240)
channel = 0
volume = 100
file_loc = os.path.join(os.getcwd(), file_name+'.csv')
with open(file_loc, "rb") as csvfile:
reader = csv.reader(csvfile)
reader = list(reader)
"""
row_count = sum(1 for row in reader)
for i in range(1, row_count):
print reader[i]
"""
i = 1
while i < len(reader):
#for i in range(1, len(reader)):
close = reader[i][4]
pitch = get_pitch(float(close))
time += 1
duration = 1
mf.addNote(track, channel, pitch, time, duration, volume)
i += 20
#print i
with open('static/' + file_name + '.mid', 'wb') as outf:
mf.writeFile(outf)
outf.close()
def play(request):
global outputId
json = simplejson.loads(request.POST.get('notes'))
midiFile = MIDIFile(1)
track = 0
time = 0
midiFile.addTrackName(track, time, "Sample Track")
midiFile.addTempo(track, time, 120)
channel = 0
volume = 100
string = ""
for note in json['notes']:
pitch = strToMidiPitch(note['pitch'])
duration = note['duration']
start = note['start']
midiFile.addNote(track, channel, pitch, start, duration, volume)
string += "added note " + note['pitch'] + ": " + str(pitch) + ", "
binfile = open("/tmp/output.mid", 'wb')
midiFile.writeFile(binfile)
binfile.close()
call(['fluidsynth', '-l', '-F', '/tmp/output_'+str(outputId)+'.wav', '/usr/share/sounds/sf2/FluidR3_GM.sf2', '/tmp/output.mid'])
call(['lame', '--preset', 'standard',
'/tmp/output_'+str(outputId)+'.wav',
'/tmp/output_'+str(outputId)+'.mp3'])
outputId += 1
return HttpResponse(outputId-1)
def matrix_to_midi(notes, filename = 'matrix.mid', tempo = 60):
""" Simplify midi generation
note format: PITCH|START|DURATION|VOLUME """
# Midi file with one track
mf = MIDIFile(1)
track = 0
time = 0
mf.addTrackName(track, time, filename[7:-4])
# Default
# FIXME tempo -- time relation is not well defined
mf.addTempo(track, time, tempo)
channel = 0
time_per_tick = 2**-5
for note in notes:
pitch = note[0]
start = note[1] * time_per_tick
stop = note[2] * time_per_tick
vol = note[3]
mf.addNote(track, channel, pitch, start, stop, vol)
# Save as file
with open(filename, 'wb') as fout:
mf.writeFile(fout)
def MidiFileCreator(melody,song):
bpm = melody['bpm']
pitches = melody['pitches']
parts = [t.split('.') for t in melody['times']]
times = [4*int(l)+int(r)-1 for l,r in parts]
durations = melody['durations']
chord_pitches = song['chord_pitches']
chord_times = song['chord_times']
chord_center = song['chord_center']
ListOfRelativeChordVoicings = song['chord_pitches']
token = melody['token']
MyMIDI = MIDIFile(1)
track = 0
channel = 0
time = 0
duration = 4
volume = 100
MyMIDI.addTrackName(track,time,"Herp derp")
MyMIDI.addTempo(track,time,bpm)
#Sends Chords to MIDI
root = int(chord_center)
for chord in ListOfRelativeChordVoicings:
for note in chord:
Intnote = int(note + root)
MyMIDI.addNote(track,channel,Intnote,time,duration,volume)
time = time + 4
for note,time in zip(pitches,times):
MyMIDI.addNote(track,channel,int(note),int(time),1,volume)
binfile = open(base + "static/songs/" + token + ".mid", 'wb')
MyMIDI.writeFile(binfile)
binfile.close()
return "blah"
class FileOutput(Output):
url_example = "file://foo.mid"
def __init__(self, url):
Output.__init__(self)
outfile = url.netloc + url.path
if not outfile:
print "file:// output needs a filename"
raise ValueError("File output needs a filename")
log.info("Opening File output: %s", outfile)
self.midi = MIDIFile(1)
self.midi.addTrackName(0, 0, "Mic2Mid Track 0")
self.midi.addTempo(0, 0, 60)
self.midi.addProgramChange(0, 0, 0, 27)
self.start = time.time()
self.filename = outfile
def close(self):
Output.close(self)
log.info("Closing File output: %s", self.filename)
fp = open(self.filename, "wb")
self.midi.writeFile(fp)
fp.close()
def note_on(self, note):
self.midi.addNote(0, 0, self.note_to_midi(note), time.time() - self.start, 1, 100)
class Generator:
def __init__(self, tempo = 120):
self.midi_file = MIDIFile(1)
self.midi_file.addTrackName(0, 0, "track")
self.midi_file.addTempo(0, 0, tempo)
self.current_time = 1
def add_pause(self, length = 1):
self.current_time = self.current_time + length
def add_chord(self, base, notes, length = 1):
for note in notes:
self.midi_file.addNote(0, 0, base + note, self.current_time, length, VOLUME_TABLE[len(notes)])
self.add_pause(length)
def add_pattern(self, base, pattern):
for item in pattern:
length = item[len(item) - 1]
self.add_chord(base, item[0 : len(item) - 1], length)
def write(self, filename):
output_file = open(filename, 'wb')
self.midi_file.writeFile(output_file)
output_file.close()
def saveMIDI(filename, noteOnsets, melody, tempo, Fs, hopSize):
barOnsets = (noteOnsets*hopSize/float(Fs))*(tempo/60) #Onsets dado en barra
notes = quantizeNote(melody)
track = 0
time = 0
MIDI = MIDIFile(1)
# Add track name and tempo.
MIDI.addTrackName(track,time,"MIDI TRACK")
MIDI.addTempo(track,time,tempo)
channel = 0
volume = 100
for i in range(np.size(barOnsets)):
pitch = notes[noteOnsets[i]+1] #leer el pitch en el siguiente frame al onset
if pitch > 0:
time = barOnsets[i]
if i == np.size(barOnsets)-1:
duration = 1
else:
duration = barOnsets[i+1]-barOnsets[i]
MIDI.addNote(track,channel,pitch,time,duration,volume)
# And write it to disk.
binfile = open(filename, 'wb')
MIDI.writeFile(binfile)
binfile.close()
def render(self, doc, output_file='output.mid'):
''' Produces actual output.
Assumptions: separate channel for each DataObject'''
# Note - I fixed a bug in MidiFile.py that was causing crashes (part of the midiutil lib).
# Author confirms this is a bug, and will eventually fix and patch, but for now there's a
# modified version of midiutil bundled with the project.
# Create the MIDIFile Object with 1 track
MyMIDI = MIDIFile(1)
# Tracks are numbered from zero. Times are measured in beats.
track = 0
time = 0
# Add track name and tempo.
MyMIDI.addTrackName(track, time, "Sample Track")
MyMIDI.addTempo(track, time, self.tempo)
for channel, do in enumerate(doc):
for cc_number, time_series in do.items():
for i, val in enumerate(time_series):
time = float(i) / time_series.sample_rate
logging.debug(str(time) + ' ' + str(val))
MyMIDI.addControllerEvent(track, channel, time, cc_number, int(val))
# And write it to disk.
with open(output_file, 'wb') as binfile:
MyMIDI.writeFile(binfile)
return MyMIDI
def make_song_file(mood, key, syllables):
# create the MIDIFile object with 1 track
MyMIDI = MIDIFile(1)
if mood == "mood1":
mood = pass1
elif mood == "mood2":
mood = happy1
elif mood == "mood3":
mood = cool1
# tracks are numbered from zero. times are measured in beats.
track = 0
time = 0
# add track name and tempo.
MyMIDI.addTrackName(track, time, "Sample Track")
MyMIDI.addTempo(track, time, 100)
key = key % 12
MyMIDI = add_chords(MyMIDI, mood, key)
MyMIDI = add_notes(MyMIDI, syllables, key, mood)
# and write it to disk.
binfile = open("song.mid", "wb")
MyMIDI.writeFile(binfile)
binfile.close()
def midFile(melody):
MyMIDI = MIDIFile(1)
track = 0
time = 0
MyMIDI.addTrackName(track, time, "Vireo")
MyMIDI.addTempo(track, time, 340)
track = 0
channel = 0
time = 0
volume = 100
for i in melody:
data = i.split()
MyMIDI.addNote(track, channel, int(data[0].strip()), time, int(data[1].strip()), volume)
time = time + int(data[1].strip())
midi = ""
binfile = open("./static/test.mid", "wb")
MyMIDI.writeFile(binfile)
binfile.close()
binfile = open("./static/test.mid", "rb")
midi = binfile.read()
binfile.close()
return midi
def write_midi_file(self, file_object):
"""Writes midi generated from this tab to the given file object."""
# Throw an exception if there are note names for which we can't
# determine the proper note numbers.
unmappable_note_names = self.note_types.difference(
self.note_name_to_number_map.keys())
if unmappable_note_names:
raise UnmappableNoteNamesException(unmappable_note_names)
midifile = MIDIFile(1)
track = 0
channel = 9
duration = round(4.0 / self.divisions_in_bar, 10)
# 4.0 is because midiutil's unit of time is the quarter note.
midifile.addTrackName(track, 0, "")
midifile.addTempo(track, 0, self._bpm)
for note in self.walk_notes():
strike_type = note['strike_type']
volume = self._volume_for_strke_type(strike_type)
if strike_type == 'r':
pitch = GM_SPEC_NOTE_NAME_TO_NUMBER_MAP['Sticks']
else:
pitch = self.note_name_to_number_map[note['note_type']]
midifile.addNote(track, channel, pitch, note['time'], duration,
volume)
midifile.writeFile(file_object)
def playMIDI(x,counter,counter2, O):
from midiutil.MidiFile import MIDIFile
MyMIDI=MIDIFile(1, removeDuplicates=False, deinterleave=False)
track=0
time=0
MyMIDI.addTrackName(track,time,"Sample")
MyMIDI.addTempo(track,time,60)
track=0
channel=0
a=North[x]
b=East[x]
c=West[x]
averagex=round(((a+b+c)/3),0)
pitchcalc=pitchnum(averagex)
pitch=pitchcalc
timecalc,O=deltatime(counter, O)
time=2
duration=timecalc
if counter2==0:
volume=10*(int(round(math.pow(North[x],1.0/3))))
elif counter2==1:
volume=10*(int(round(math.pow(East[x],1.0/3))))
elif counter2==2:
volume=10*(int(round(math.pow(West[x],1.0/3))))
else:
print("numcount error", counter2)
volume=127
MyMIDI.addNote(track,channel,pitch,time,duration,volume)
outcount=str(counter)
numcount=str(counter2)
binfile=open(outpath+"/output "+outcount+" "+numcount+".mid",'wb')
MyMIDI.writeFile(binfile)
print(counter,"\n",track,channel,pitch,time,duration,volume)
binfile.close()
return O
class PatternWriterMIDI: def __init__(self, numtracks = 1): self.score = MIDIFile(numtracks) self.track = 0 self.channel = 0 self.volume = 64 def addTrack(self, pattern, tracknumber = 0, trackname = "track", dur = 1.0): time = 0 # naive approach: assume every duration is 1 # TODO: accept dicts or PDicts for note in pattern: if note is not None: self.score.addNote(tracknumber, self.channel, note, time, dur, self.volume) time += dur else: time += dur def addTimeline(self, timeline): # TODO: translate entire timeline into MIDI # difficulties: need to handle degree/transpose params # need to handle channels properly, and reset numtracks pass def writeFile(self, filename = "score.mid"): fd = open(filename, 'wb') self.score.writeFile(fd) fd.close()
class MidiFileOut: def __init__(self, numtracks = 16): self.score = MIDIFile(numtracks) self.track = 0 self.channel = 0 self.volume = 64 self.time = 0 def tick(self, ticklen): self.time += ticklen def noteOn(self, note = 60, velocity = 64, channel = 0, duration = 1): #------------------------------------------------------------------------ # avoid rounding errors #------------------------------------------------------------------------ time = round(self.time, 5) self.score.addNote(channel, channel, note, time, duration, velocity) def noteOff(self, note = 60, channel = 0): pass def writeFile(self, filename = "score.mid"): fd = open(filename, 'wb') self.score.writeFile(fd) fd.close()
class MidiFileOut:
""" Write events to a MIDI file.
Requires the MIDIUtil package:
https://code.google.com/p/midiutil/ """
def __init__(self, filename = "score.mid", num_tracks = 16):
from midiutil.MidiFile import MIDIFile
self.filename = filename
self.score = MIDIFile(num_tracks)
self.time = 0
def tick(self, tick_length):
self.time += tick_length
def note_on(self, note = 60, velocity = 64, channel = 0, duration = 1):
#------------------------------------------------------------------------
# avoid rounding errors
#------------------------------------------------------------------------
time = round(self.time, 5)
self.score.addNote(channel, channel, note, time, duration, velocity)
def note_off(self, note = 60, channel = 0):
time = round(self.time, 5)
self.score.addNote(channel, channel, note, time, 0, 0)
def write(self):
fd = open(self.filename, 'wb')
self.score.writeFile(fd)
fd.close()
class Midi:
"""Musique midi"""
def __init__(self, partition, titre, tempo):
# Définition des paramètres MIDI.
piste = 0
temps = 0
self.tempo = tempo / 2
self.sortiemidi = MIDIFile(1, file_format=1)
# Nom de la piste.
self.sortiemidi.addTrackName(piste, temps, sansaccents(titre))
# Tempo.
self.sortiemidi.addTempo(piste, temps, self.tempo)
# Instrument (74 : flûte).
self.sortiemidi.addProgramChange(piste, 0, temps, 74)
self.traiter_partition(partition, piste, temps)
def traiter_partition(self, partition, piste, temps):
"""Création des évènements MIDI"""
transposition = partition.transposition
channel = 0
volume = 127
for mot in partition:
for i, syllabe in enumerate(mot):
syl = str(syllabe)
if i + 1 < len(mot):
syl = syl + '-'
for j, note in enumerate(
notes for notes in syllabe.musique
if isinstance(notes, Note)
):
pitch = note.hauteur + transposition
duree = int(note.duree)
self.sortiemidi.addTempo(
piste, temps, (self.tempo * duree / note.duree)
)
self.sortiemidi.addNote(
piste,
channel,
pitch,
temps,
duree / 2,
volume
)
if j == 0:
self.sortiemidi.addText(
piste,
temps,
syl
)
temps += duree / 2
def ecrire(self, chemin):
"""Écriture effective du fichier MIDI"""
with (
open(sys.stdout.fileno(), 'wb')
if chemin == '-'
else open(chemin, 'wb')
) as sortie:
self.sortiemidi.writeFile(sortie)
class midiFile:
"""
Allows MIDI files to be gradually built up.
On creation, a MIDI file track is created, and notes are added through calls
to addNote.
The file can be saved through a call to writeFile.
More information on the library being used at:
http://www.emergentmusics.org/mididutil-class-reference
"""
def __init__(self, trackName, maxPackageDepth, bpm):
self.state = MIDIFile(1) #Number of tracks.
self.time = 0
self.track = 0
self.state.addTempo(self.track,self.time,bpm)
self.maxPackageDepth = maxPackageDepth
self.minPitch = 0
self.maxPitch = 127
def setPitchRange(self, min, max):
""" Set the range (somewhere between 0-127) that will be used in assigning pitch to notes,
which is based on package depth.
"""
self.minPitch = min
self.maxPitch = max
def addNote(self, depth, instrument, duration):
""" Adds a new note to the MIDI file.
Increments the time by 1 on addition of every note.
depth: Package structure depth. Used to determine the pitch of the note.
instrument: Number from 0-127 (see: http://en.wikipedia.org/wiki/General_MIDI#Program_change_events)
duration: Number of beats note should be played over.
"""
channel = 0
pitch = getPitch(depth, self.maxPackageDepth, self.minPitch, self.maxPitch)
volume = 127
logging.info("Adding note, with instrument {0}, pitch {1}, duration {2}".format(instrument, pitch, duration))
self.state.addProgramChange(self.track,channel, self.time, instrument)
self.state.addNote(0,channel,pitch,self.time,duration,volume)
self.time+=1
def writeFile(self, savePath):
""" Write the current state of the MIDI file to disk.
savePath: Name+Path of the MIDI file to be saved.
"""
binfile = open(savePath, 'wb')
self.state.writeFile(binfile)
binfile.close()
def run(self):
inputObj = self.get_input("input") #obiekt interfejsu wejściowego
outputGraph = self.get_output("outputGraph") #obiekt interfejsu wyjściowego
outputPitch = self.get_output("outputPitch") #obiekt interfejsu wyjściowego
prev_note = 0
#init midi
track = 0
time = 0
MyMIDI = MIDIFile(1)
MyMIDI.addTrackName(track,time,"Sample Track")
MyMIDI.addTempo(track,time,120)
try:
while self.running():
data_input = inputObj.read()
N = data_input["N"]
audioData = base64.b64decode(data_input["data"])
MAX_y = data_input["MAX_y"]
y = np.array(struct.unpack("%dh" % (N * CHANNELS), audioData)) / MAX_y
y_L = y[::2]
y_R = y[1::2]
Y_L = np.fft.fft(y_L, nFFT)
Y_R = np.fft.fft(y_R, nFFT)
# Łączenie kanałów FFT, DC - prawy kanał
Y = abs(np.hstack((Y_L[-nFFT/2:-1], Y_R[:nFFT/2])))
samples = np.fromstring(audioData, dtype=np.int16)
#wyliczenie dzwieku
rawnote = analyse.musical_detect_pitch(samples)
if rawnote is not None:
note = np.rint(rawnote)
#wyślij nutę na wyjście
outputPitch.send(note)
if note != prev_note:
#MyMIDI.addNote(track,channel,pitch,time,duration,volume)
MyMIDI.addNote(0,0,note,time,1,100)
time+=1
prev_note = note
output = {"db_table": list(Y)}
outputGraph.send(output)
#save midi on exit
except:
binfile = open("output.mid", 'wb')
MyMIDI.writeFile(binfile)
binfile.close()
def write(predicted, min_pitch):
from midiutil.MidiFile import MIDIFile
m = MIDIFile(1)
m.addTempo(0, 0, 70)
for t, pitches in enumerate(predicted.T):
for i, on in enumerate(pitches):
note = i + min_pitch
if on:
m.addNote(0, 0, note, t / 8.0, 1 / 8.0, 100)
with open('out.mid', 'wb') as f:
m.writeFile(f)
def main():
if len(sys.argv) is 1:
return
song_descriptor_path = sys.argv[1]
with open(song_descriptor_path, 'r') as f:
read_data = f.read()
song_descriptor = json.loads(read_data)
midi_file = MIDIFile(len(song_descriptor['tracks']))
for track in song_descriptor['tracks']:
make_midi(midi_file, track)
with open("test.mid", 'wb') as outf:
midi_file.writeFile(outf)
def convertToMIDI(piece):
mfile = MIDIFile(1)
track = 0
time = 0
tempo = 160
mfile.addTrackName(track, time, "test")
mfile.addTempo(track, time, tempo)
channel = 0
volume = 100
# Actual magic happens here
i = 0
while i < len(piece)-1:
# Get the corresponding pitch for the note
pitch = mapping[piece[i][0]]
diff = int(piece[i][-1]) - 4
pitch += diff * 12
# If we're dealing with a continued note
if piece[i] == piece[i+1]:
n = i
duration = 0
# Keep increasing the duration by 2 for
# every consecutive matching note
while piece[n] == piece[n+1]:
#print n
duration += 2
if n+1 == len(piece):
break
# Single note duration is 2
n += 1
mfile.addNote(track, channel, pitch, i*2, duration, volume)
i = n
# If we're dealing with a single note, add it
else:
mfile.addNote(track, channel, pitch, i*2, 2, volume)
# If we're on the penultimate note,
# add the last note too
if i == len(piece) - 1:
pitch = mapping[piece[i+1]]
mfile.addNote(track, channel, pitch, i*2, 2, volume)
i += 1
bfile = open("output.mid", "wb")
mfile.writeFile(bfile)
bfile.close()
def WriteMidi(notes, tempo, file):
MyMIDI = MIDIFile(1)
MyMIDI.addTrackName(0,0,"Sample Track")
MyMIDI.addTempo(0,0,tempo)
time= 0
for (name, d, length) in notes:
MyMIDI.addNote(0,0,60,time,length*4,100)
time+= length*4
binfile = open(file, 'wb')
MyMIDI.writeFile(binfile)
binfile.close()
def main(argv=None):
if argv is None:
argv = sys.argv
txtFileName = argv[1]
txtFile = open(txtFileName, 'r')
charsForNotes = txtFile.read()
txtFile.close()
#Setup default values
rootNote = 0;
track = 0
time = 0
tempo = 120
channel = 0
duration = 1
volume = 100
midiFile = MIDIFile(12)
midiFile.addTrackName(0, time, "1")
midiFile.addTrackName(1, time, "2")
midiFile.addTrackName(2, time, "3")
midiFile.addTrackName(3, time, "4")
midiFile.addTrackName(4, time, "5")
midiFile.addTempo(track, time, tempo)
i = 0
while(i < len(charsForNotes)):
j = 0
#double every 4th beat
durationMult = (i%4 == 0) + 1
while(j < 5):
pitch = pickPitch(charsForNotes[i], rootNote+(12*j))
if charsForNotes[i] is ' ':
midiFile.addNote(j, channel, pitch, time, duration*durationMult, 0)
else:
midiFile.addNote(j, channel, pitch, time, duration*durationMult, volume)
j += 1
time += 1
i += 1
mFile = open("mozart.mid", 'wb')
midiFile.writeFile(mFile)
mFile.close()
def write_midi(filename, sequence):
filename = "music/"+filename
midi = MIDIFile(1)
track = 0
start_time = 0
midi.addTrackName(track, start_time, filename[:-4])
tempo = random.randrange(120, 480)
midi.addTempo(track, start_time, tempo)
for seq in range(len(sequence)):
for note in sequence[seq]:
midi.addNote(track, 9, note.pitch, note.time, note.duration, note.volume)
# midi.addProgramChange(0, seq, 0, instrList[seq])
f = open(filename, 'w')
midi.writeFile(f)
f.close()
def createWav(word_lengths):
note_lengths = map(wordlen_to_notelen, word_lengths)
print note_lengths
note_library = notes('c', 'major')
print note_library
MyMIDI = MIDIFile(1)
MyMIDI.addTempo(0,0,120)
total = 0.0
for d in note_lengths:
MyMIDI.addNote(0,0,int(note_library[random.randint(0,7)]),total,d,100)
total += d
binfile = open("output.mid", 'wb')
MyMIDI.writeFile(binfile)
binfile.close()
def write_midi(filename, sequence):
filename = "markov/"+filename
midi = MIDIFile(1)
track = 0
start_time = 0
midi.addTrackName(track, start_time, filename[:-4])
tempo = random.randrange(360, 480)
midi.addTempo(track, start_time, tempo)
midi.addProgramChange(0, 0, 0, 1)
for i in range(len(sequence)):
note = sequence[i]
midi.addNote(track, 0, note.pitch, note.time, note.duration, note.volume)
f = open(filename, 'w')
midi.writeFile(f)
f.close()
def write_song(song, dest, tempo=240):
num_channels = len(song)
midi_scratch_file = MIDIFile(num_channels)
for i in range(0, num_channels):
midi_scratch_file.addTrackName(i, 0, "Pop Flute {0}".format(i))
midi_scratch_file.addTempo(i, 0, tempo)
time = 0
for x in range(0, song_length(song)):
duration = 0.5
pitch = song[i][x]
midi_scratch_file.addNote(i, i, pitch, time, duration, 100)
time += duration
bin_file = open(dest, 'w')
midi_scratch_file.writeFile(bin_file)
bin_file.close()
def export_midi(self, file_path):
"""Export a MIDI file."""
midi = MIDIFile(1)
midi.addTrackName(0, 0, self.metadata.get('OTL'))
midi.addTempo(0, 0, 80)
for i, part in enumerate(self.parts):
non_rests = [ d for d in part['data'] if d['pitch'] != 'r' ]
for note in non_rests:
midi.addNote(track=0, channel=i,
pitch=note['midinote'],
time=note['beat'],
duration=note['duration'],
volume=80)
with open(file_path, 'wb') as binfile:
midi.writeFile(binfile)
def pixels_to_midi(pix, img_string):
mf = MIDIFile(1)
track = 0
time = 0
channel = 0
volume = 100
mf.addTrackName(track, time, "Sample")
mf.addTempo(track, time, 1000)
for i in pix:
p2 = rgb_to_midi(i[1])
p3 = rgb_to_midi(i[2])
duration = 1
if time % 4 == 0:
mf.addNote(track, channel, p2, time, 4, volume)
mf.addNote(track, channel, p3, time, 4, volume)
else:
mf.addNote(track, channel, p3, time, duration, volume)
time += 1
with open(img_string, 'wb') as outf:
mf.writeFile(outf)
def writeMidi():
#print(population)
channel = 0
track = 0
time = 0
for i in population:
mf = MIDIFile(numTracks = 1, adjust_origin=True)
mf.addTrackName(track, time, 'main')
mf.addTempo(track, time, 240)
#print(i)
for note in population[i]:
pitch = population[i][note]['pitch']
time = population[i][note]['start']
duration = population[i][note]['duration'] / 10
velocity = int((population[i][note]['velocity'])*100)
mf.addNote(channel, track, pitch, time, duration, velocity)
with open("./midiOut/output" + str(i) + ".mid", "wb") as outf:
mf.writeFile(outf)
def main_out():
MyMIDI = MIDIFile(1)
track = 0
time = 0
MyMIDI.addTrackName(track, time, "Sample Track")
MyMIDI.addTempo(track, time, 120)
# Add a note. addNote expects the following information:
channel = 0
pitch = 60
duration = 1
volume = 100
# Now add the note.
MyMIDI.addNote(track, channel, pitch, time, duration, volume)
binfile = open("output.mid", 'wb')
MyMIDI.writeFile(binfile)
binfile.close()
class MidiParser:
def __init__(self, numberOfTracks, tempo, volume=100, channel=0):
self.numberOfTracks = numberOfTracks
self.tempo = tempo
self.volume = volume
self.channel = channel
self.midiFile = MIDIFile(numberOfTracks)
for i in range(self.numberOfTracks - 1):
self.midiFile.addTrackName(i, 0, "Track " + str(i + 1))
self.midiFile.addTempo(i, 0, self.tempo)
def addNote(self, track, pitch, time, duration):
self.midiFile.addNote(track, self.channel, pitch, time, duration,
self.volume)
def exportFile(self, filename):
with open(filename, 'wb') as exportFile:
self.midiFile.writeFile(exportFile)
def midiMaker (tempHome):
# 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")
mf.addTempo(track, time, 120)
# add some notes
channel = 0
volume = 100
pitch = 60 # C4 (middle C)
time = 0 # start on beat 0
duration = 0.5 # 1 beat long
mf.addNote(track, channel, pitch, time, duration, volume)
pitch = 64 # E4
time = 2 # start on beat 2
duration = 1 # 1 beat long
mf.addNote(track, channel, pitch, time, duration, volume)
pitch = 67 # G4
time = 4 # start on beat 4
duration = 1 # 1 beat long
mf.addNote(track, channel, pitch, time, duration, volume)
pitch = 67 # G4
time = 5 # start on beat 5
duration = 1 # 1 beat long
mf.addNote(track, channel, pitch, time, duration, volume)
# write it to disk
funcRawName =input("Give a name for the file: ")
funcFileName = funcRawName + ".mid"
outFile = tempHome +"/"+funcFileName
with open(outFile, 'wb') as outf:
mf.writeFile(outf)
return funcRawName
def convert_midi(song, file_name):
mf = MIDIFile(1)
track = 0
time = 0
mf.addTrackName(track, time, "Music")
mf.addTempo(track, time, 60)
channel = 0
volume = 120
for elem in song:
if elem.dlit == "note-half":
duration = 0.5
else:
duration = 0.25
pitch = key[elem.name]
mf.addNote(track, channel, pitch, time, duration, volume)
time = time + duration
with open(file_name + '.mid', 'wb') as outf:
mf.writeFile(outf)
def write_to_midi(self, midi_time_frames, tempo=60):
mf = MIDIFile(1)
track = 0
time = 0
tempo_multiplier = 60/tempo
mf.addTrackName(track, time, 'Marimba')
mf.addTempo(track, time, tempo)
channel = 0
volume = 100
beat = 1
for tf in midi_time_frames:
if tf['note'] > 0:
# breakpoint()
print(f"Adding note {tf['note']} starting at {beat} lasting for {1} beat")
mf.addNote(track, channel, tf['note'], beat, 1, volume)
beat += 1
with open('output.mid', 'wb') as outf:
mf.writeFile(outf)
def MIDI_VV():
mf = MIDIFile(3) #3 tracks
startTime = 0 #begint bij het begin
track = 0
mf.addTrackName(track, startTime, "5/4 Beat")
mf.addTempo(track, startTime, BPM)
if len(noteLengths1_VV) == 0:
print("Kick Done")
#write to disk
with open("output.mid", 'wb') as outf:
mf.writeFile(outf)
else:
track = 0 #eerste track
channel = 10 #percussie
volume = 100
pitch = 35 #kick
time = 0 #startpunt noot
duration = noteLengths1_VV.pop(0) #1e nootlengte uit de lijst
mf.addNote(track, channel, pitch, time, duration, volume)
print(mf)
return MIDI_VV()
def save_midi(outfile, notes, tempo):
track = 0
time = 0
midifile = MIDIFile(1)
midifile.addTrackName(track, time, "MIDI TRACK")
midifile.addTempo(track, time, tempo)
channel = 0
volume = 100
for note in notes:
onset = note[0] * (tempo / 60.)
duration = note[1] * (tempo / 60.)
# duration = 1
pitch = int(note[2])
midifile.addNote(track, channel, pitch, onset, duration, volume)
binfile = open(outfile, 'wb')
midifile.writeFile(binfile)
binfile.close()
def output_midi(self) -> None:
midi = MIDIFile(1)
track = 0
time = 0
channel = 0
volume = 100
midi.addTrackName(track, time, "Track")
midi.addTempo(track, time, 240)
for note in self._notes:
duration = note.length.value * 4 # TODO: DRY
midi.addNote(track, channel, note.pitch.value, time, duration,
volume)
time += duration
midi_file = open('output.mid', 'wb')
midi.writeFile(midi_file)
midi_file.close()
open_file('output.mid')
def play(request):
global outputId
json = simplejson.loads(request.POST.get('notes'))
midiFile = MIDIFile(1)
track = 0
time = 0
midiFile.addTrackName(track, time, "Sample Track")
midiFile.addTempo(track, time, 120)
channel = 0
volume = 100
string = ""
for note in json['notes']:
pitch = strToMidiPitch(note['pitch'])
duration = note['duration']
start = note['start']
midiFile.addNote(track, channel, pitch, start, duration, volume)
string += "added note " + note['pitch'] + ": " + str(pitch) + ", "
binfile = open("/tmp/output.mid", 'wb')
midiFile.writeFile(binfile)
binfile.close()
call([
'fluidsynth', '-l', '-F', '/tmp/output_' + str(outputId) + '.wav',
'/usr/share/sounds/sf2/FluidR3_GM.sf2', '/tmp/output.mid'
])
call([
'lame', '--preset', 'standard',
'/tmp/output_' + str(outputId) + '.wav',
'/tmp/output_' + str(outputId) + '.mp3'
])
outputId += 1
return HttpResponse(outputId - 1)
class MidiWriter:
def __init__(self, track_name, filepath, bpm=120):
"""
Wraper around MIDIFile
:param track_name: Track name
:param bpm: Beat per minute, default=120
"""
self.__midi_file = MIDIFile(1, adjust_origin=0) # Single track
self.__track = 0
time = 0
self.__track_name = track_name
self.__midi_file.addTrackName(self.__track, time, self.__track_name)
self.__midi_file.addTempo(self.__track, time, bpm)
self.__channel = 0
self.__filepath = filepath
def write(self, note):
"""
Add a note to the midi file
:param note: note object to be added
:return: None
"""
duration = note.duration_tick
if duration == 0:
duration = 1
for pitch in note.pitch_id:
self.__midi_file.addNote(self.__track, self.__channel, pitch,
note.start_time_tick, duration,
note.volume)
def close(self):
"""
Write out the midi file
:return: None
"""
print(self.__filepath)
with open(self.__filepath, 'wb') as out_file:
self.__midi_file.writeFile(out_file)
class PatternWriterMIDI:
""" Writes a pattern to a MIDI file.
Requires the MIDIUtil package:
https://code.google.com/p/midiutil/ """
def __init__(self, numtracks=1):
from midiutil.MidiFile import MIDIFile
self.score = MIDIFile(numtracks)
self.track = 0
self.channel = 0
self.volume = 64
def addTrack(self, pattern, tracknumber=0, trackname="track", dur=1.0):
time = 0
# naive approach: assume every duration is 1
# TODO: accept dicts or PDicts
try:
for note in pattern:
vdur = Pattern.value(dur)
if note is not None and vdur is not None:
self.score.addNote(tracknumber, self.channel, note, time,
vdur, self.volume)
time += vdur
else:
time += vdur
except StopIteration:
# a StopIteration exception means that an input pattern has been exhausted.
# catch it and treat the track as completed.
pass
def addTimeline(self, timeline):
# TODO: translate entire timeline into MIDI
# difficulties: need to handle degree/transpose params
# need to handle channels properly, and reset numtracks
pass
def writeFile(self, filename="score.mid"):
fd = open(filename, 'wb')
self.score.writeFile(fd)
fd.close()
class Midi(object):
def __init__(self, track_configs):
self.midi_file = MIDIFile(len(track_configs))
self.track_time = []
for i, config in enumerate(track_configs):
self.track_time.append(0)
self.midi_file.addTrackName(i, config.time, config.name)
self.midi_file.addTempo(i, config.time, config.tempo)
def append_note(self, duration, pitches, volume=100, track=0, channel=0):
time = self.track_time[track]
for pitch in pitches:
pitch += constants.C3
self.midi_file.addNote(track, channel, pitch, time, duration,
volume)
self.track_time[track] += duration
return time
def write_file(self, filename):
binfile = open(filename, 'wb')
self.midi_file.writeFile(binfile)
binfile.close()
def contours_to_sounds(all_init_notes, all_contours, keys, moods):
# len of moods must be same as other lists! NOT CHECKED!
# ALSO not checked value!
# mood: 1 - happy, 0 - neutral, -1 - sad, -2 - sudden sad
# right now: 1 == 0 and -1 == -2
l = len(all_init_notes)
duration = 1
tempo = 120
base_volumn = 100
time = 0
track = 0
channel = 0
vol = 100
for i in range(l):
outfile_name = EXP_DIR + str(i) + '.mid'
# generate dir if not exists! TODO
init_note = all_init_notes[i]
contours = all_contours[i]
rel_scale = get_rel_scale(moods[i])
key = keys[i]
notes = get_notes(init_note, contours, rel_scale, key)
MyMIDI = MIDIFile(1, adjust_origin=None)
MyMIDI.addTempo(track, time, tempo)
# MyMIDI.addProgramChange(track=0, channel=0, time=time, program=40)
MyMIDI.addProgramChange(track=0, channel=0, time=time, program=1)
t_inc = 0
for note in notes:
t_inc += 1
MyMIDI.addNote(track, channel, note, time + t_inc, duration, vol)
with open(outfile_name, 'wb') as output_file:
MyMIDI.writeFile(output_file)
def data_to_midi(data, output_name):
"""Generates .mid chord sequences corresponding to the given array.
Writes the ouptut to midi files.
Parameters
----------
data : numpy array
For each time step, a list of the Midi pitches of the corresponding chord.
output_name : str
A name for this chord's file.
Returns
-------
None.
Writes generated sequence to disk.
"""
# create the MIDI object
mf = MIDIFile(1) # only 1 track
track = 0 # the only track
channel = 0
global_tempo = 60
time = 0 # start at the beginning of the track on beat 0
mf.addTrackName(track, time, "Sample Track")
mf.addTempo(track, time, global_tempo)
for idx, val in enumerate(data):
if val == 1:
# add the note
# 1 is the duration of the note
# 100 is the volume
mf.addNote(track, channel, idx, time, 1, 100)
# finally, write sequence to disk
with open(output_name, 'wb') as outf:
mf.writeFile(outf)
def generate(n, program, suffix, sf = "/usr/share/sounds/sf2/FluidR3_GM.sf2", volume = 100):
MyMIDI = MIDIFile(2)
track = 0
time = 0
MyMIDI.addTrackName(track,time,"Test")
MyMIDI.addTempo(track,time,30)
track = 0
channel = 0
time = 0
duration = 2.0
MyMIDI.addProgramChange(track, channel, 0, program)
MyMIDI.addNote(track,channel, plist[n], 0,duration,volume)
binfile = open("output.mid", 'wb')
MyMIDI.writeFile(binfile)
binfile.close()
os.system("fluidsynth %s output.mid -F output.wav --sample-rate 1000" % sf)
os.system("lame -V 7 output.wav sound%d%s.mp3" % (n, suffix))
# os.system("avconv -i output.wav -acodec sound%d%s.aac" % (n, suffix))
os.system("rm output.mid")
# os.system("mplayer output.wav")
os.system("mv output.wav sound%d%s.wav" % (n, suffix))
def make_midi_file():
midi_file = MIDIFile()
midi_file = populate(midi_file)
# midi_file.addTrackName(track, time, track_name)
# midi_file.addTimeSignature(track, time, numerator, denominator, clocks_per_tick, notes_per_quarter=8)
# midi_file.addTempo(track, time, tempo)
# midi_file.addKeySignature(track, time, accidentals, accidental_type, mode, insertion_order=0)
# midi_file.addCopyright(track, time, notice)
#
# track = 0 # Track numbers are zero-origined
# channel = 0 # MIDI channel number
# pitch = 60 # MIDI note number
# time = 0 # In beats
# duration = 1 # In beats
# volume = 100 # 0-127, 127 being full volume
filename = "basshit.midi"
with open(filename, "wb") as output_file:
midi_file.writeFile(output_file)
def prepare_initial_midi(text, out, tempo):
midi = MIDIFile(1)
midi.addTempo(track=0, time=0, tempo=tempo)
midiText = open(text)
duration = -1
pitch = volume = time = -1
for line in midiText:
line = line.rstrip()
m = LINE_REGEX.search(line)
if m.group("on_off") == "On":
pitch = int(m.group("pitch"))
volume = int(m.group("volume"))
time = int(m.group("time"))
duration = time
else:
time2 = int(m.group("time"))
duration = (float(time2) - float(time))
midi.addNote(0, 0, pitch, time, duration, volume)
# print "Added p: %d t: %d d: %f v: %d" % (pitch,time,duration,volume)
duration = -1
midi.writeFile(open(out, "w"))
return midi
def crf_midi_generator(X, Z, n, m, silence, note_length):
track = 0
channel = 0
volume = 100
MyMIDI = MIDIFile(3)
label_track = 0
prediction_track = 1
time = 0
tempo = 60
MyMIDI.addTempo(track, time, tempo)
print(Z["out"][m])
print(X.shape)
count = 0
total = 0
current_time = 0
for i, item in enumerate(X):
if (i >= len(Z['out'][m])):
continue
duration = float(item[0])
time = current_time
current_time += duration
#time = i
#duration = 1
pitch = int(item[2])
print(pitch)
MyMIDI.addNote(track, channel, pitch, time, duration, volume)
flag = int(Z["out"][m][i])
if (flag == 1):
MyMIDI.addNote(prediction_track, channel, 30, time, duration,
volume)
#print(X[n][i-1][1]-X[n][i-1][0], X[n][i][0]-X[n][i-1][1])
if i > 0 and (X[i - 1][1] - X[i - 1][0]) < note_length and (
X[i][0] - X[i - 1][1]) < silence:
count += 1
path = "/Users/joker/sample" + str(n) + "_" + str(m) + ".mid"
midifile = open(path, "wb")
MyMIDI.writeFile(midifile)
midifile.close()
return count, total
def pixels_to_midi():
pix = get_image_data("green.jpg")
mf = MIDIFile(1)
track = 0
time = 0
channel = 0
volume = 100
mf.addTrackName(track, time, "Sample")
mf.addTempo(track, time, 1000)
for i in pix:
p2 = rgb_to_midi(i[1])
p3 = rgb_to_midi(i[2])
duration = 1
if time % 4 == 0:
mf.addNote(track, channel, p2, time, 4, volume)
mf.addNote(track, channel, p3, time, 4, volume)
else:
mf.addNote(track, channel, p3, time, duration, volume)
time += 1
print "done"
with open("green.mid", 'wb') as outf:
mf.writeFile(outf)
def write_gui_song(song, gui_tempo, name="gui_song.mid"):
MyMIDI = MIDIFile(1) # One track
file = open("gui_notes_data.txt", "w+")
track = 0
channel = 0
time = 0 # time in beats
tempo = gui_tempo # tempo of the song
volume = 120 # volume of the note
MyMIDI.addTempo(track, time, tempo)
for phrase in song:
for measure in phrase:
for note in measure:
# Add the new note into the MIDI object
# Note tuple structure: (note_start_time, note_value, note_length)
MyMIDI.addNote(track, channel, note[1], note[0], note[2], volume)
file.write("%.2f %d %.2f \n" % (note[0], note[1], note[2]))
with open(name, "wb") as output_file:
MyMIDI.writeFile(output_file)
def save_midi(outfile, notes, tempo):
track = 0
time = 0
midifile = MIDIFile(1)
# Add track name and tempo.
midifile.addTrackName(track, time, 'MIDI TRACK')
midifile.addTempo(track, time, tempo)
channel = 0
volume = 100
for note in notes:
print(note)
onset = note[0] * (tempo / 60.)
duration = note[1] * (tempo / 60.)
pitch = note[2]
midifile.addNote(track, channel, int(pitch), onset, duration, volume)
# And write it to disk.
binfile = open(outfile, 'wb')
midifile.writeFile(binfile)
binfile.close()
class Midi_lib_interface:
def __init__(self, numberTracks, track, bpm, time):
self.mf = MIDIFile(numberTracks)
self.mf.addTrackName(track, time, str(track))
self.mf.addTempo(track, time, bpm)
# Adiciona uma trilha de som
def addTrack(self, track, time, tempo):
self.mf.addTempo(track, time, tempo)
self.mf.addTrackName(track, time, str(track))
def addNote(self, track, channel, pitch, time, duration, volume):
self.mf.addNote(track, channel, pitch, time, duration, volume)
def addTempo(self, track, time, bpm):
self.mf.addTempo(track, time, bpm)
def changeInstrument(self, track, channel, time, instrument):
self.mf.addProgramChange(track, channel, time, instrument)
def save(self, musicName):
with open("./musicas/" + musicName + ".mid", 'wb') as outf:
self.mf.writeFile(outf)
def TXT_to_MIDI(txtfile):
sensors = 7 #number of instruments, assume organized by columns
file = open (txtfile, 'r')
data = []
for line in file:
data.append([float(x) for x in line.split()])
size=len(data)
mf = MIDIFile(sensors) #can make two channels, but starting with 1
volume = 100
duration = 1 #can make variable, right now 1 beat
channel = 0 #1-16 MIDI channels, keeping all on one for now
tempo = 60 #BPM
for inst in range(sensors):
track = inst
mf.addTempo(track, time, tempo)
for i in range(len(data[inst])):
currentData = data[inst][i]
pitch = data_to_pitch(currentData, duration, volume)
mf.addNote(track, channel, pitch, i, duration, volume) #i==time
with open('output8.mid', 'wb') as output_file:
mf.writeFile(output_file)
def convert_to_MIDI(self, title):
mf = MIDIFile(1, adjust_origin=False)
track = 0
time = 0
mf.addTrackName(track, time, title)
mf.addTempo(track, time, 120)
for pos in range(self.num_notes):
for pitch in range(self.note_range):
if self.grid[pos][pitch]:
duration = 1
next_cell = None
if pos + duration < self.num_notes:
next_cell = self.grid[pos + duration][pitch]
while next_cell is not None and not next_cell:
duration += 1
if pos + duration < self.num_notes:
next_cell = self.grid[pos + duration][pitch]
else:
next_cell = None
mf.addNote(0, 0, pitch + self.lowest_note, pos, duration,
60)
with open(title, 'wb') as outf:
mf.writeFile(outf)
def writeToMidi(title, tempo, notes):
# open up the media file.
mf = MIDIFile(1, adjust_origin=1)
track = 0
time = 0.0
temptime = 0
channel = 0
volume = 100
# initialize the first track.
mf.addTrackName(track, time, title)
mf.addTempo(track, time, tempo * 16)
# notes should be a list of lists, with notes in the
# sub lists occuring at the same time.
for chord in notes:
for sound in chord:
# save the time interval for the notes.
# they should all be the same within the chord.
# vprint(sound)
# temptime = sound["time"]
# add the note to the midi track if its not a rest
if (sound['note'] != 'R'):
mf.addNote(track, channel, MIDIpitch(sound['note'], sound['octave']), \
sound['time'], sound['length'], sound['volume'])
# increase the time counter
# time += temptime
with open(title, 'wb') as outf:
mf.writeFile(outf)
def _createRawMIDI(filename, clips):
channel = 0
track = 0
tempo = 60
volume = 100
time = 0
outfile = MIDIFile(1)
outfile.addTempo(track, time, tempo)
for clip in clips:
channel = (channel + 1) % 16
for note in clip.notes:
print(note.time)
print(note.duration)
print(note.pitch)
print(clip.startTime)
time = int(note.time) + int(clip.startTime)
print("Oh")
duration = note.duration
pitch = note.pitch
print("About to out")
print(track)
print(channel)
print(pitch)
print(time)
print(duration)
print(volume)
outfile.addNote(int(track), int(channel), int(pitch), int(time),
int(duration), int(volume))
print("Outing")
print("Still unwritten")
with open(filename, "wb") as written_file:
print(type(filename))
print(type(outfile))
print(type(written_file))
outfile.writeFile(written_file)
print("Almost Written")
print("Not unwritten")
def generate_midi(audiofile):
# Create the MIDIFile Object with 1 track
MyMIDI = MIDIFile(1)
# Tracks are numbered from zero. Times are measured in beats.
track = 0
time = 0
print "Tempo:", audiofile.analysis.tempo
# Add track name and tempo.
MyMIDI.addTrackName(track, time, "Sample Track")
MyMIDI.addTempo(track, time, audiofile.analysis.tempo["value"])
durations = numpy.array([p.duration for p in audiofile.analysis.segments])
segment_end_times = numpy.cumsum(durations)
segment_start_times = segment_end_times - durations
normalized_loudness = normalize_loudness(audiofile)
track = 0
channel = 0
for i in range(len(audiofile.analysis.segments)):
for j in range(12):
pitch = j + 60
time = segment_start_times[i]
duration = durations[i]
volume = int(normalized_loudness[i] *
audiofile.analysis.segments[i].pitches[j] * 100)
# Now add the note.
MyMIDI.addNote(track, channel, pitch, time, duration, volume)
# And write it to disk.
binfile = open("output.mid", 'wb')
MyMIDI.writeFile(binfile)
binfile.close()
def midisaver():
print(
"s = Save n = New Sequence q = Quit p=Pause/Play"
)
while True:
choice = input("> ")
if choice == 's':
oldvoices = list(voices)
mf = MIDIFile(5, deinterleave=False)
time = 0
for i in range(4):
mf.addTrackName(i, 0, tracknames[i])
mf.addTempo(i, 0, bpm)
channel = 0
for x in range(len(oldvoices[i])):
if isinstance(oldvoices[i][x][1], int):
oldvoices[i][x][1] = [oldvoices[i][x][1]]
for pitch in oldvoices[i][x][1]:
if pitch != 0:
volume = oldvoices[i][x][2]
time = oldvoices[i][x][
0] / 4 #convert from beats to sixteenths
if time + 1 < 8:
duration = oldvoices[i][x][3] / 4
else:
duration = 0.1
mf.addNote(i, channel, pitch, time, duration,
volume)
filename = (input('Save As:') + ".mid")
with open(filename, 'wb') as outf:
mf.writeFile(outf)
if choice == 'q':
thread.interrupt_main()
sys.exit()
if choice == 'n':
measureCount = 0
compose()
