def build_midi(pitches: Dict,
durations,
onsets,
selection=None,
tempo=120) -> MIDIFile:
# create your MIDI object
midi_file = MIDIFile(1) # only 1 track
track = 0 # the only track
time = 0 # start at the beginning
midi_file.addTrackName(track, time, "Sample Track")
midi_file.addTempo(track, time, tempo)
channel = 0
volume = 100
keys = pitches.keys()
min_onset = 0
if selection is not None:
keys = [k for k in keys if k in selection]
min_onset = min([onsets[k] for k in keys if k in onsets])
for objid in keys:
if (objid in onsets) and (objid in durations):
pitch = pitches[objid]
onset = onsets[objid] - min_onset
duration = durations[objid]
midi_file.addNote(track, channel, pitch, onset, duration, volume)
return midi_file
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 turnToMidi(musicls):
midi = MIDIFile(1)
track = 0
time = 0
channel = 0
pitch = 0
duration = 1
volume = 100
midi.addTrackName(track, time, "test")
midi.addTempo(track, time, 60)
music = []
for i, pitch in enumerate(musicls):
if pitch[1] == True:
duration = 1 / 2
midi.addNote(track, channel, pitch[0], time, duration, volume)
time += 1 / 2
music.append([pitch[0], 1 / 2])
else:
duration = 1
midi.addNote(track, channel, pitch[0], time, duration, volume)
time += 1
music.append([pitch[0], 1])
print(music)
midi_file = open("mary.mid", 'wb')
midi.writeFile(midi_file)
midi_file.close()
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 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
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
def writeToMIDI(self, path, tempo=120, duration=1):
# Loop through all notes
Melody = list(zip(self.MIDIvalues, self.notesLoc))
MIDInotes = []
MIDItimes = []
# Creating two lists of the MIDIvalues and corresponding times
for note, cord in Melody:
# MIDInotes will store the track on the first slot and the noteValue on the 2nd slot
if (note == 'S'):
MIDInotes.append([1, 37])
else:
MIDInotes.append([0, note])
# we multiply cord[0] by 16 since there are 16 counts in each row
MIDItimes.append(cord[0] * 16 + cord[1])
# create your MIDI object (fixed values at the moment)
mf = MIDIFile(2) # 2 tracks
# tempo = 120
volume = 100
# duration = 1
time = 0
track = 0
mf.addTrackName(track, time, "Sample Track")
mf.addTempo(track, time, tempo)
# Adding Notes to Channel 0
channel = 0
melody = list(zip(MIDInotes, MIDItimes))
# If track is zero it will store on channel zero (Piano)
# If track is one it will store on channel nine (Drums)
for pitch, time in melody:
# print('Adding to track {}, channel {}, note {}, time {}'.format(pitch[0], pitch[0]*9, pitch[1], time/4))
# Dividing time by 4 seems to get it to work
mf.addNote(pitch[0], pitch[0] * 9, pitch[1], time / 4, duration,
volume)
# MyMIDI.addNote(track, channel, pitch, time, duration, volume)
with open(path, 'wb') as outf:
mf.writeFile(outf)
return mf
def midi_gen(self, track_minutes = 2, tempo = 120, track=0, start_time=0, channel=0):
MyMIDI = MIDIFile(1, adjust_origin=False) # One track, defaults to format 1 (tempo track is created automatically)
MyMIDI.addTempo(track, start_time, self.tempo)
# duration_list = []
elapsed_time = 0
data = zip(self.note_lengths, self.note_spacings, self.mapped_notes, self.note_velocities)
for i, tup in enumerate(data):
note_length, note_spacing, mapped_note, note_velocity = tup
elapsed_time += note_spacing
MyMIDI.addNote(track, channel, mapped_note, start_time + elapsed_time, note_spacing, note_velocity)
MyMIDI.addTrackName(0,0,self.name)
# duration_list += [note_spacing]
if elapsed_time > track_minutes * tempo:
break
with open(self.name, "wb") as output_file:
MyMIDI.writeFile(output_file)
def write_midi_file(self, notes):
now = gmtime()
midi_content = MIDIFile(1)
midi_content.addTrackName(0, 0, strftime("%#m/%d %H:%M:%S", now))
# filtered_notes = {k: notes[k] for k in notes.keys() if any(xk in k for xk in ['g2', 'g3', 'g4'])}
filtered_notes = notes
[[
midi_content.addNote(n.track, n.channel, n.pitch, n.start,
n.duration, n.volume) for n in v
] for v in filtered_notes.values()]
with open('c:/temp/' + strftime("%Y%m%d %H%M%S", now) + '.mid',
"wb+") as _:
midi_content.writeFile(_)
_.close()
def music_generation(matrix, index):
FILE = MIDIFile(1)
TRACK = 0
TIME = 0
FILE.addTrackName(TRACK, TIME, "Sample Track")
FILE.addTempo(TRACK, TIME, 120)
CHANNEL = 0
VOLUME = 100
for beat in range(16):
for i in range(36):
if matrix[beat][i] == 1:
note = range(36)[i] + 45
FILE.addNote(TRACK, CHANNEL, note, beat, NEGRA, VOLUME)
with open("output" + str(index) + ".mid", 'wb') as outf:
FILE.writeFile(outf)
def create_track(midi_instance: MIDIFile,
track: int,
channel: int,
tempo: int,
track_name: str = ''):
"""
:param midi_instance:
:param track:
:param channel:
:param tempo:
:param track_name
:return: Track
"""
# assume a static tempo
midi_instance.addTempo(track=track, time=0, tempo=tempo)
midi_instance.addTrackName(track=track, time=0, trackName=track_name)
return Track(midi_instance, track, channel, tempo, track_name)
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)
def simulate_drum_track(pattern: List[int]):
"""Stitches together a series of drum patterns into a MIDI file for use elsewhere."""
drum_track_idxs, drum_groups = read_drum_groups(READ_PATH)
num_tracks = max(drum_track_idxs) + 1
# Generate the core measures to work with
measures = list()
# Note, there must be a worksheet defined for each unique measure generated. The suffix of the worksheet name
# must match the identifier in the pattern list.
num_unique_measures = max(pattern) + 1
for i in range(num_unique_measures):
worksheet_name = HITS_SHEET + '_' + str(i)
drum_hits = read_drum_hits(READ_PATH, worksheet_name)
measure = generate_measure(num_tracks, drum_groups, drum_hits)
measures.append(measure)
# Setup final MIDI container for the file that will be written to disk
midi_file = MIDIFile(num_tracks)
for idx in drum_track_idxs:
# Pull the details of the track name from the name of the drum group and augment with date time info
track_name = ', '.join([dg.name for dg in drum_groups if dg.track == idx] + [strftime("%m%d %H%M", now)])
midi_file.addTrackName(idx, 0, track_name)
# Assemble the final set from the individual patterns
# Each 'p' in the pattern reflects the measure identifier to use in the pattern
for i, p in enumerate(pattern):
mx = measures[p]
measure_tick = mx.ticks_per_quarternote * beats_measure * i
# Transfer the NoteOn events from measure container to the final container as defined by the measure pattern.
# Adjust the timing to account for the measure. Effectively an in place operation.
# for idx in range(1, len(mx.tracks)):
for idx, track in enumerate(mx.tracks):
for evt in filter(lambda e: e.evtname == 'NoteOn', track.eventList):
midi_file.addNote(track=idx,
channel=0,
pitch=evt.pitch,
time=mx.tick_to_quarter(measure_tick + evt.tick),
duration=mx.tick_to_quarter(evt.duration),
volume=evt.volume)
with open('c:/temp/' + strftime("%Y%m%d %H%M%S", now) + '.mid', "wb+") as f:
midi_file.writeFile(f)
f.close()
def make_midi_file(tempo, list):
# list een lijst met sequences voor elk spoor (stapjes zijn 16e noten)
midi_seq = MIDIFile(1) # maakt een track
track = 0 # eertse track
midi_time = 0 # begin aan het begin (is de tijd in 16e noten)
midi_seq.addTrackName(track, midi_time, 'Euclidean Sequence') # geef naam
midi_seq.addTempo(track, midi_time, tempo) # geef tempo
channel = 9 # zet alles op midi channel 10
volume = 100 # alle vel. waardes op 100
pitch = 36 # starting pitch op 36
for i in list: # pak een sequence uit de lijst
midi_time = 0 # reset time
for j in i: # ga elk stapje in de sequence af
midi_seq.addNote(track, channel, pitch, midi_time / 4, j / 4,
volume) # voeg noot toe (per 16e ipv kwart)
midi_time = midi_time + j # update tijd voor de midifile door er de stapgrootte bij op te tellen
pitch = pitch + 1 # laat nieuwe sequence op de pitch value boven de vorige sequence beginnen
with open('Euclidean Sequence.mid', 'wb') as output:
midi_seq.writeFile(output) # maak de MIDI-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:
onset = note[0] * (tempo / 60.)
duration = note[1] * (tempo / 60.)
# duration = 1
pitch = int(note[2])
midifile.addNote(track, channel, pitch, onset, duration, volume)
with open(outfile, 'wb') as file:
midifile.writeFile(file)
def turnToMidi(musicls, connected):
midi = MIDIFile(1)
track = 0
time = 0
channel = 0
pitch = 0
duration = 1
volume = 100
midi.addTrackName(track, time, "test")
midi.addTempo(track, time, 60)
music = []
for i, pitch in enumerate(musicls):
if i in connected2 and pitch != musicls[i - 1]:
duration = 1 / 4
midi.addNote(track, channel, pitch, time, duration, volume)
time += 1 / 4
music.append([pitch, 1 / 4])
elif i in connected and i + 1 in connected2 and pitch != musicls[i +
1]:
duration = 3 / 4
midi.addNote(track, channel, pitch, time, duration, volume)
time += 3 / 4
music.append([pitch, 3 / 4])
elif i in connected or i - 1 in connected:
duration = 1 / 2
midi.addNote(track, channel, pitch, time, duration, volume)
time += 1 / 2
music.append([pitch, 1 / 2])
else:
duration = 1
midi.addNote(track, channel, pitch, time, duration, volume)
time += 1
music.append([pitch, 1])
print(music)
midi_file = open("mary.mid", 'wb')
midi.writeFile(midi_file)
midi_file.close()
while going:
for event in pygame.event.get():
if event.type == pygame.QUIT:
pygame.quit()
quit()
if event.type == pygame.MOUSEBUTTONUP:
pos = pygame.mouse.get_pos()
x, y = pos
#If record button is pressed, make a new midi file to record the notes in,
#set the current time as start time to keep track of note timings,
#change the button to recording, and toggle recording and going variables so
#the program enters the recording loop
if 125 > x > 75 and 145 > y > 95:
mf = MIDIFile(1)
starttime = time.time()
mf.addTrackName(track, 0, "Track")
mf.addTempo(track, 0, 60)
pygame.draw.rect(screen, bright_red, (60, 80, 80, 80))
text_surface = my_font.render("RECORDING", True, WHITE)
rect = text_surface.get_rect(center=(100, 120))
screen.blit(text_surface, rect)
RECORDING = True
going = False
#If play button is pressed
if 225 > x > 175 and 145 > y > 95:
#If it was playing, stop playing the recorded file and change the button
#to play. Set playing to False so the music would not play again.
if playing:
pygame.mixer.music.stop()
playing = False
pygame.draw.rect(screen, green, (160, 80, 80, 80))
#
# Demo program for asking user for some note(s), then write them to
# a MIDI file using midiutil
# https://pypi.org/project/MIDIUtil
#
from midiutil import MIDIFile
note = int(input("Enter a note: "))
velocity = int(input("Velocity: "))
mf = MIDIFile(1)
track = 0
time = 0
mf.addTrackName(track, time, "Beat Sample Track")
mf.addTempo(track, time, 120)
#
# Format:
# mf.addNote(track, channel, pitch, time, duration, velocity)
#
mf.addNote(0, 0, note, 2, 1, velocity)
with open("symphony.midi", 'wb') as outf:
mf.writeFile(outf)
r.draw(img, (0, 0, 255), 2)
cv2.imwrite("res.png", img)
open_file("res.png")
for note_group in note_groups:
print([note.note + " " + note.sym for note in note_group])
midi = MIDIFile(1)
track = 0
time = 0
channel = 0
volume = 100
midi.addTrackName(track, time, "Track")
midi.addTempo(track, time, 140)
for note_group in note_groups:
duration = None
for note in note_group:
note_type = note.sym
if note_type == "1":
duration = 4
elif note_type == "2":
duration = 2
elif note_type == "4,8":
duration = 1 if len(note_group) == 1 else 0.5
pitch = note.pitch
midi.addNote(track, channel, pitch, time, duration, volume)
time += duration
capo = parse_data['capo']
# create midi object
number_of_tracks = parse_data['number_of_tracks']
MyMIDI = MIDIFile(
number_of_tracks
) # One track, defaults to format 1 (tempo track is created automatically)
track = 0 # channel can have multiple tracks
# for each stream/track
for stream in list(parse_data['streams'].keys()):
time = 0 # In beats ( quarter notes )
# add track name
MyMIDI.addTrackName(track, time, stream)
# add tempo
MyMIDI.addTempo(track, time, tempo)
# add notes and chords
for note_chord in parse_data['streams'][stream]:
if note_chord[0] == 'note':
string = note_chord[1]
fret = note_chord[2]
pitch = strings[string] + capo + fret
MyMIDI.addNote(track, channel, pitch, time, duration, volume)
elif note_chord[0] == 'chord':
step_size += direction
logging.debug(f'step_size: {step_size}')
else:
logging.info('accepted proposal')
result.append(prop_sp)
prev_interval = prop_interval
break
return result
sm = cg.ScaleManager()
cp_scale = sm.build_scale()
midi_content = MIDIFile(2)
midi_content.addTrackName(0, 0, 'cantus firmus')
midi_content.addTrackName(1, 0, 'counterpoint')
cf_tune = cg.Tune(
cp_scale,
['C1', 'D1', 'F1', 'E1', 'F1', 'G1', 'A1', 'G1', 'E1', 'D1', 'C1'])
cp_tune = cg.Tune(cp_scale, real_cp2(cp_scale, cf_tune))
for i, v in enumerate(cf_tune.mps):
midi_content.addNote(0, 0, v, i, 1, 100)
for i, v in enumerate(cp_tune.mps):
midi_content.addNote(1, 0, v, i + 0.25, 1, 100)
with open('c:/temp/test.mid', "wb+") as f:
midi_content.writeFile(f)
midiTrackCount = args.tracks
if args.tempo:
tempo = args.tempo
if args.volume:
volume = args.volume
if args.output:
outputFileName = args.output
convert = args.convert_to_mp3
# Define the MIDI info
MyMIDI = MIDIFile(midiTrackCount)
MyMIDI.addTempo(0, 0, tempo)
for i in range(0, midiTrackCount):
print("Core #" + str(i + 1))
MyMIDI.addTrackName(i, 0, "Core #" + str(i + 1))
# Define clamp function
def clamp(n, smallest, largest):
return max(smallest, min(n, largest))
def genNote(pitch_core, duration_core, track):
# pitch_core = CPU core to use for note pitch
# duration_core = CPU core to use for note duration
# channel = MIDI channel for note
# track = MIDI track for note
# Set pitch based on CPU core usage
pitch = int(psutil.cpu_percent(interval=0.1, percpu=True)[pitch_core]) + 15
############################################################################
# A sample program to create a single-track MIDI file, add a note,
# and write to disk.
############################################################################
from midiutil import MIDIFile
# import random
# Create the MIDIFile Object
MyMIDI = MIDIFile(1)
# Add track name and tempo. The first argument to addTrackName and
# addTempo is the time to write the event.
track = 0
time = 0
name = input("Enter Name:")
MyMIDI.addTrackName(track, time, name)
MyMIDI.addTempo(track, time, 212)
MyMIDI.addProgramChange(track, 0, 0, 0) # 40 48 50
while True:
time = 0
sequence = input("Enter Sequence, Q To Quit: \n")
if sequence == 'Q':
break
chords_r = sequence.split("\n")
chords = [chord.split(",") for chord in chords_r]
for i in range(len(chords)):
# Add a note. addNote expects the following information:
channel = 0
volume = 100
for note in chords[i]:
length = 1
def create_midi_file(staves, track_name):
# Create the MIDIFile Object
MyMIDI = MIDIFile(1)
# Add track name and tempo. The first argument to addTrackName and
# addTempo is the time to write the event.
track = 0
time = 0
MyMIDI.addTrackName(track, time, "Sample Track")
MyMIDI.addTempo(track, time, 120)
for stave in staves:
#create_midi_per_stave(stave.symbols,MyMIDI,track)
# Add a note. addNote expects the following information:
channel = 0
duration = 1
volume = 100
i = 0
"""symbols = [Symbol("G-clef",0),Symbol("quarter-note",6),Symbol("quarter-note",6),Symbol("quarter-note",7),Symbol("quarter-note",8),
Symbol("quarter-note",8),Symbol("quarter-note",7),Symbol("quarter-note",6),Symbol("quarter-note",5),Symbol("quarter-note",4),
Symbol("quarter-note",4),Symbol("quarter-note",5),Symbol("quarter-note",6),Symbol("quarter-note",6),Symbol("quarter-note",5),Symbol("half-note",5)]"""
G_clef = {
1: notes.D4,
2: notes.E4,
3: notes.F4,
4: notes.G4,
5: notes.A4,
6: notes.B4,
7: notes.C5,
8: notes.D5,
9: notes.E5,
10: notes.F5
}
F_clef = {
1: notes.F3,
2: notes.G3,
3: notes.A3,
4: notes.B3,
5: notes.C4,
6: notes.D4,
7: notes.E4,
8: notes.F4,
9: notes.G4,
10: notes.A4
}
clef = G_clef
for symbol in stave.symbols:
if symbol.label == "G_clef":
clef = G_clef
# elif symbol.label == "F_clef":
# clef = F_clef
for i in range(len(stave.symbols)):
print(i)
if stave.symbols[i].position_in_stave == 0:
continue
if stave.symbols[i].label == "sixteenth_note":
duration = 0.25
pitch = clef[stave.symbols[i].position_in_stave].value
MyMIDI.addNote(track, channel, pitch, time, duration, volume)
time = time + duration
if stave.symbols[i].label == "eighth_note":
duration = 0.5
pitch = clef[stave.symbols[i].position_in_stave].value
MyMIDI.addNote(track, channel, pitch, time, duration, volume)
time = time + duration
elif stave.symbols[i].label == "quarter_note":
duration = 1
pitch = clef[stave.symbols[i].position_in_stave].value
MyMIDI.addNote(track, channel, pitch, time, duration, volume)
time = time + duration
elif stave.symbols[i].label == "half_note":
duration = 2
pitch = clef[stave.symbols[i].position_in_stave].value
MyMIDI.addNote(track, channel, pitch, time, duration, volume)
time = time + duration
elif stave.symbols[i].label == "whole_note":
duration = 4
pitch = clef[stave.symbols[i].position_in_stave].value
MyMIDI.addNote(track, channel, pitch, time, duration, volume)
time = time + duration
"""if i != 0 :
if symbols[i-1].label == "sharp":
pitch=stave[symbols[i].position_in_stave ].value+1
elif symbols[i-1].label == "flat":
pitch = stave[symbols[i].position_in_stave ].value-1"""
print("anything")
# And write it to disk.
with open("media\\" + track_name + ".mid", 'wb') as binfile:
MyMIDI.writeFile(binfile)
def handle(self, argv=None):
"""
Main function.
Parses command, load settings and dispatches accordingly.
"""
help_message = "Please supply chord progression!. See --help for more options."
parser = argparse.ArgumentParser(
description=
'chords2midi - Create MIDI files from written chord progressions.\n'
)
parser.add_argument('progression',
metavar='U',
type=str,
nargs='*',
help=help_message)
parser.add_argument('-B',
'--bassline',
action='store_true',
default=False,
help='Throw an extra bassline on the pattern')
parser.add_argument('-b',
'--bpm',
type=int,
default=80,
help='Set the BPM (default 80)')
parser.add_argument('-t',
'--octave',
type=str,
default='4',
help='Set the octave(s) (ex: 3,4) (default 4)')
parser.add_argument('-i',
'--input',
type=str,
default=None,
help='Read from an input file.')
parser.add_argument('-k',
'--key',
type=str,
default='C',
help='Set the key (default C)')
parser.add_argument('-n',
'--notes',
type=int,
default=99,
help='Notes in each chord (default all)')
parser.add_argument('-N',
'--name',
type=str,
default='track',
help='Set a name for the MIDI track')
parser.add_argument('-d',
'--duration',
type=float,
default=1.0,
help='Set the chord duraction (default 1)')
parser.add_argument(
'-D',
'--directory',
action='store_true',
default=False,
help=
'Output the contents to the directory of the input progression.')
parser.add_argument(
'-H',
'--humanize',
type=float,
default=0.0,
help=
'Set the amount to "humanize" (strum) a chord, in ticks - try .11 (default 0.0)'
)
parser.add_argument(
'-o',
'--output',
type=str,
help=
'Set the output file path. Default is the current key and progression in the current location.'
)
parser.add_argument(
'-O',
'--offset',
type=float,
default=0.0,
help='Set the amount to offset each chord, in ticks. (default 0.0)'
)
parser.add_argument('-p',
'--pattern',
type=str,
default=None,
help='Set the pattern. Available patterns: ' +
(', '.join(patterns.keys())))
parser.add_argument(
'-r',
'--reverse',
action='store_true',
default=False,
help='Reverse a progression from C-D-E format into I-II-III format'
)
parser.add_argument('-v',
'--version',
action='store_true',
default=False,
help='Display the current version of chords2midi')
args = parser.parse_args(argv)
self.vargs = vars(args)
if self.vargs['version']:
version = pkg_resources.require("chords2midi")[0].version
print(version)
return
# Support `c2m I III V and `c2m I,III,V` formats.
if not self.vargs['input']:
if len(self.vargs['progression']) < 1:
print("You need to supply a progression! (ex I V vi IV)")
return
if len(self.vargs['progression']) < 2:
progression = self.vargs['progression'][0].split(',')
else:
progression = self.vargs['progression']
else:
with open(self.vargs['input']) as fn:
content = ''.join(fn.readlines()).strip()
content = content.replace('\n', ' ').replace(',', ' ')
progression = content.split(' ')
og_progression = progression
# If we're reversing, we don't need any of the MIDI stuff.
if self.vargs['reverse']:
result = ""
key = self.vargs['key']
for item in progression:
comps = pychord.Chord(item).components()
position = determine(comps, key, True)[0]
if 'M' in position:
position = position.upper()
position = position.replace('M', '')
if 'm' in position:
position = position.lower()
position = position.replace('m', '')
if 'B' in position:
position = position + "b"
position = position.replace('B', '')
result = result + position + " "
print(result)
return
track = 0
channel = 0
ttime = 0
duration = self.vargs['duration'] # In beats
tempo = self.vargs['bpm'] # In BPM
volume = 100 # 0-127, as per the MIDI standard
bar = 0
humanize_interval = self.vargs['humanize']
directory = self.vargs['directory']
num_notes = self.vargs['notes']
offset = self.vargs['offset']
key = self.vargs['key']
octaves = self.vargs['octave'].split(',')
root_lowest = self.vargs.get('root_lowest', False)
bassline = self.vargs['bassline']
pattern = self.vargs['pattern']
# Could be interesting to do multiple parts at once.
midi = MIDIFile(1)
midi.addTempo(track, ttime, tempo)
midi.addTrackName(0, 0, self.vargs["name"])
##
# Main generator
##
has_number = False
progression_chords = []
# Apply patterns
if pattern:
if pattern not in patterns.keys():
print("Invalid pattern! Must be one of: " +
(', '.join(patterns.keys())))
return
new_progression = []
input_progression = progression[:] # 2.7 copy
pattern_mask = patterns[pattern]
pattern_mask_index = 0
current_chord = None
while True:
pattern_instruction = pattern_mask[pattern_mask_index]
if pattern_instruction == "N":
if len(input_progression) == 0:
break
current_chord = input_progression.pop(0)
new_progression.append(current_chord)
elif pattern_instruction == "S":
new_progression.append(current_chord)
elif pattern_instruction == "X":
new_progression.append("X")
if pattern_mask_index == len(pattern_mask) - 1:
pattern_mask_index = 0
else:
pattern_mask_index = pattern_mask_index + 1
progression = new_progression
# We do this to allow blank spaces
for chord in progression:
# This is for # 'I', 'VI', etc
progression_chord = to_chords(chord, key)
if progression_chord != []:
has_number = True
# This is for 'C', 'Am', etc.
if progression_chord == []:
try:
progression_chord = [pychord.Chord(chord).components()]
except Exception:
# This is an 'X' input
progression_chord = [None]
chord_info = {}
chord_info['notes'] = progression_chord[0]
if has_number:
chord_info['number'] = chord
else:
chord_info['name'] = chord
if progression_chord[0]:
chord_info['root'] = progression_chord[0][0]
else:
chord_info['root'] = None
progression_chords.append(chord_info)
# For each input..
previous_pitches = []
for chord_index, chord_info in enumerate(progression_chords):
# Unpack object
chord = chord_info['notes']
# NO_OP
if chord == None:
bar = bar + 1
continue
root = chord_info['root']
root_pitch = pychord.utils.note_to_val(
notes.int_to_note(notes.note_to_int(root)))
# Reset internals
humanize_amount = humanize_interval
pitches = []
all_new_pitches = []
# Turns out this algorithm was already written in the 1800s!
# https://en.wikipedia.org/wiki/Voice_leading#Common-practice_conventions_and_pedagogy
# a) When a chord contains one or more notes that will be reused in the chords immediately following, then these notes should remain, that is retained in the respective parts.
# b) The parts which do not remain, follow the law of the shortest way (Gesetze des nachsten Weges), that is that each such part names the note of the following chord closest to itself if no forbidden succession XXX GOOD NAME FOR A BAND XXX arises from this.
# c) If no note at all is present in a chord which can be reused in the chord immediately following, one must apply contrary motion according to the law of the shortest way, that is, if the root progresses upwards, the accompanying parts must move downwards, or inversely, if the root progresses downwards, the other parts move upwards and, in both cases, to the note of the following chord closest to them.
root = None
for i, note in enumerate(chord):
# Sanitize notes
sanitized_notes = notes.int_to_note(notes.note_to_int(note))
pitch = pychord.utils.note_to_val(sanitized_notes)
if i == 0:
root = pitch
if root:
if root_lowest and pitch < root: # or chord_index is 0:
pitch = pitch + 12 # Start with the root lowest
all_new_pitches.append(pitch)
# Reuse notes
if pitch in previous_pitches:
pitches.append(pitch)
no_melodic_fluency = False # XXX: vargify
if previous_pitches == [] or all_new_pitches == [] or pitches == [] or no_melodic_fluency:
pitches = all_new_pitches
else:
# Detect the root direction
root_upwards = None
if pitches[0] >= all_new_pitches[0]:
root_upwards = True
else:
root_upwards = False
# Move the shortest distance
if pitches != []:
new_remaining_pitches = list(all_new_pitches)
old_remaining_pitches = list(previous_pitches)
for i, new_pitch in enumerate(all_new_pitches):
# We're already there
if new_pitch in pitches:
new_remaining_pitches.remove(new_pitch)
old_remaining_pitches.remove(new_pitch)
continue
# Okay, so need to find the overall shortest distance from the remaining pitches - including their permutations!
while len(new_remaining_pitches) > 0:
nearest_distance = 9999
previous_index = None
new_index = None
pitch_to_add = None
for i, pitch in enumerate(new_remaining_pitches):
# XXX: DRY
# The Pitch
pitch_to_test = pitch
nearest = min(old_remaining_pitches,
key=lambda x: abs(x - pitch_to_test))
old_nearest_index = old_remaining_pitches.index(
nearest)
if nearest < nearest_distance:
nearest_distance = nearest
previous_index = old_nearest_index
new_index = i
pitch_to_add = pitch_to_test
# +12
pitch_to_test = pitch + 12
nearest = min(old_remaining_pitches,
key=lambda x: abs(x - pitch_to_test))
old_nearest_index = old_remaining_pitches.index(
nearest)
if nearest < nearest_distance:
nearest_distance = nearest
previous_index = old_nearest_index
new_index = i
pitch_to_add = pitch_to_test
# -12
pitch_to_test = pitch - 12
nearest = min(old_remaining_pitches,
key=lambda x: abs(x - pitch_to_test))
old_nearest_index = old_remaining_pitches.index(
nearest)
if nearest < nearest_distance:
nearest_distance = nearest
previous_index = old_nearest_index
new_index = i
pitch_to_add = pitch_to_test
# Before we add it - just make sure that there isn't a better place for it.
pitches.append(pitch_to_add)
del old_remaining_pitches[previous_index]
del new_remaining_pitches[new_index]
# This is for the C E7 type scenario
if len(old_remaining_pitches) == 0:
for x, extra_pitch in enumerate(
new_remaining_pitches):
pitches.append(extra_pitch)
del new_remaining_pitches[x]
# Final check - can the highest and lowest be safely folded inside?
max_pitch = max(pitches)
min_pitch = min(pitches)
index_max = pitches.index(max_pitch)
folded_max = max_pitch - 12
if (folded_max > min_pitch) and (folded_max
not in pitches):
pitches[index_max] = folded_max
max_pitch = max(pitches)
min_pitch = min(pitches)
index_min = pitches.index(min_pitch)
folded_min = min_pitch + 12
if (folded_min < max_pitch) and (folded_min
not in pitches):
pitches[index_min] = folded_min
# Make sure the average can't be improved
# XXX: DRY
if len(previous_pitches) != 0:
previous_average = sum(previous_pitches) / len(
previous_pitches)
# Max
max_pitch = max(pitches)
min_pitch = min(pitches)
index_max = pitches.index(max_pitch)
folded_max = max_pitch - 12
current_average = sum(pitches) / len(pitches)
hypothetical_pitches = list(pitches)
hypothetical_pitches[index_max] = folded_max
hypothetical_average = sum(hypothetical_pitches) / len(
hypothetical_pitches)
if abs(previous_average -
hypothetical_average) <= abs(previous_average -
current_average):
pitches[index_max] = folded_max
# Min
max_pitch = max(pitches)
min_pitch = min(pitches)
index_min = pitches.index(min_pitch)
folded_min = min_pitch + 12
current_average = sum(pitches) / len(pitches)
hypothetical_pitches = list(pitches)
hypothetical_pitches[index_min] = folded_min
hypothetical_average = sum(hypothetical_pitches) / len(
hypothetical_pitches)
if abs(previous_average -
hypothetical_average) <= abs(previous_average -
current_average):
pitches[index_min] = folded_min
# Apply contrary motion
else:
print("Applying contrary motion!")
for i, new_pitch in enumerate(all_new_pitches):
if i == 0:
pitches.append(new_pitch)
continue
# Root upwards, the rest move down.
if root_upwards:
if new_pitch < previous_pitches[i]:
pitches.append(new_pitch)
else:
pitches.append(new_pitch - 12)
else:
if new_pitch > previous_pitches[i]:
pitches.append(new_pitch)
else:
pitches.append(new_pitch + 12)
# Bassline
if bassline:
pitches.append(root_pitch - 24)
# Melody
# Octave is a simple MIDI offset counter
for octave in octaves:
for note in pitches:
pitch = int(note) + (int(octave.strip()) * 12)
# Don't humanize bassline note
if bassline and (pitches.index(note) == len(pitches) - 1):
midi_time = offset + bar
else:
midi_time = offset + bar + humanize_amount
# Write the note
midi.addNote(track=track,
channel=channel,
pitch=pitch,
time=midi_time,
duration=duration,
volume=volume)
humanize_amount = humanize_amount + humanize_interval
if i + 1 >= num_notes:
break
bar = bar + 1
previous_pitches = pitches
##
# Output
##
if self.vargs['output']:
filename = self.vargs['output']
elif self.vargs['input']:
filename = self.vargs['input'].replace('.txt', '.mid')
else:
if has_number:
key_prefix = key + '-'
else:
key_prefix = ''
filename = key_prefix + '-'.join(og_progression) + '-' + str(tempo)
if bassline:
filename = filename + "-bassline"
if pattern:
filename = filename + "-" + pattern
if os.path.exists(filename):
filename = key_prefix + '-'.join(og_progression) + '-' + str(
tempo) + '-' + str(int(time.time()))
filename = filename + '.mid'
if directory:
directory_to_create = '-'.join(og_progression)
try:
os.makedirs(directory_to_create)
except OSError as exc: # Python >2.5
if exc.errno == errno.EEXIST and os.path.isdir(
directory_to_create):
pass
else:
raise
filename = directory_to_create + '/' + filename
with open(filename, "wb") as output_file:
midi.writeFile(output_file)
if Percussion == 82:
Percussion = 35
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.
playEvent(event)
#turn off the while loop to go to the next step
running = False
else:
ti.sleep(0.001)
#___________MIDISETUP____________
BPM = askUserBPM()
midiFile = MIDIFile(1)
track = 0
time = 0
channel = 0
duration = 1
volume = 100
midiFile.addTrackName(track, time, "eindopdracht")
midiFile.addTempo(track, time, BPM)
def retrievePitch(event):
return event['midiNote']
def retrieveTime(event, sixteenthStep):
return (int(event['timestamp'] / sixteenthStep) / 4)
def addMidiNote(pitch, time):
midiFile.addNote(track, channel, pitch, time, duration, volume)
############################################################################
# A sample program to create a single-track MIDI file, add a note,
# and write to disk.
############################################################################
# Import the library
from midiutil import MIDIFile
# Create the MIDIFile Object
MyMIDI = MIDIFile(1)
# Add track name and tempo. The first argument to addTrackName and
# addTempo is the time to write the event.
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)
# And write it to disk.
with open("output.mid", 'wb') as binfile:
MyMIDI.writeFile(binfile)
