def compose():
try:
user_id = session['user_id']
title = request.form['title']
data = json.loads(request.form['data'])
if not isinstance(data, list):
return 'Error'
with mido.MidiFile(ticks_per_beat=48, charset='utf-8') as midi:
for tune in data:
pass
ts = Rhythm.TimeSignature(int(tune['nn']), int(tune['dd']))
chord_id = tune['chord_id']
chords_db = Chords.query.filter_by(id=chord_id).first()
if not chords_db:
return ('Chords DB Error', 500)
prog = Chord.ChordProg.from_dict(json.loads(chords_db.data))
rhythm_id = tune['rhythm_id']
rhythms_db = Rhythms.query.filter_by(id=rhythm_id).first()
if not rhythms_db:
return ('Rhythms DB Error', 500)
rhythm_tree = Rhythm.RhythmTree.from_dict(json.loads(rhythms_db.data))
note_range = range(int(tune['min_note']), int(tune['max_note']))
skip_prob = float(tune['skip_prob'])
bpm = int(tune['bpm'])
bars = Lyrics.divide(tune['phoneme'], rhythm_tree)
beats = Lyrics.pair(bars, rhythm_tree)
composer = Melody.Composer(ts, beats, prog, note_range, skip_prob, bpm)
midi = Melody.concat_midi(midi, composer.compose())
savepath = Util.random_string(16)
midi.save(app.config['MEDIA_FOLDER'] + '/' + savepath + '.mid')
os.system('timidity %s.mid -Ow -o - | lame - -b 64 %s.mp3' % (app.config['MEDIA_FOLDER'] + '/' + savepath, app.config['MEDIA_FOLDER'] + '/' + savepath))
music = Musics(title, savepath, request.form['data'], user_id)
db.session.add(music)
db.session.commit()
except ValueError as e:
return ('Error: %s' % e, 500)
except KeyError as e:
return ('Error: %s' % e, 500)
return (jsonify({'music_id': music.id}), 200)
[0, 6, 12, 18, 24, 36],
[0, 6, 12, 18, 24, 30, 36],
[0, 6, 12, 18, 24, 30, 36, 42]
]
rhythm_tree = Rhythm.RhythmTree(12, 1, Rhythm.TimeSignature(4, 2), rhythms)
lyric = u'ア^イウ/ア^イウエ/ア^イウエ_オ/ /カキク/ / /'
bars = Lyrics.divide(lyric, rhythm_tree)
bars.should.be.equal([[u'ア^イウ', u'ア^イウエ'], [u'ア^イウエ_オ'], [u'カキク'], []])
pairs = [
(u'ア^', 0.0),
(u'イ', 0.125),
(u'ウ', 0.25),
(u'ア^', 0.375),
(u'イ', 0.5),
(u'ウ', 0.625),
(u'エ', 0.75),
(u'ア^', 1.0),
(u'イ', 1.125),
(u'ウ', 1.25),
(u'エ_', 1.5),
(u'オ', 1.75),
(u'カ', 2.25),
(u'キ', 2.5),
(u'ク', 2.75),
]
beats = Lyrics.pair(bars, rhythm_tree)
beats.division.should.be.equal(rhythm_tree.division)
beats.time.should.be.equal(4)
beats.pairs.should.be.equal(pairs)
from datetime import datetime as dt
import mido
import sure
import melete.lyrics as Lyrics
import melete.rhythm as Rhythm
import melete.chord as Chord
import melete.melody as Melody
ts = Rhythm.TimeSignature(4, 2)
rhythms = [[0], [0, 96], [48, 96, 144], [0, 48, 96, 144]]
tree = Rhythm.RhythmTree(48, 1, ts, rhythms)
text = u'ぽよぽよぽよぽよぽよぽよぽよぽよ===あるう ひ もりのな か くまさん に であっ た あるう ひ もりのな か くまさん に であっ た'
lyrics = Lyrics.analyze(text)
lyrics = map(lambda l: Lyrics.divide(l['phoneme'], tree), lyrics)
beats = map(lambda l: Lyrics.pair(l, tree), lyrics)
c = Chord.Chord.from_name('C')
f = Chord.Chord.from_name('F')
f.inversion(1)
gsus4 = Chord.Chord.from_name('Gsus4')
gsus4.inversion(1)
prog = Chord.ChordProg(48, 4, [(c, 0), (f, 192), (gsus4, 384), (c, 576)])
note_range = range(Chord.Scale.from_name('C4').note, Chord.Scale.from_name('A5').note)
with mido.MidiFile(ticks_per_beat=48, charset='utf-8') as midi:
for beat in beats:
composer = Melody.Composer(ts, beat, prog, note_range, 0.5, 180)
midi = Melody.concat_midi(midi, composer.compose())
savepath = ''.join([random.choice(string.ascii_letters + string.digits) for i in range(16)]) + '.mid'
import os, string, random
import sure
import melete.lyrics as Lyrics
import melete.rhythm as Rhythm
import melete.chord as Chord
import melete.melody as Melody
ts = Rhythm.TimeSignature(4, 2)
rhythms = [[0], [0, 96], [48, 96, 144], [0, 48, 96, 144]]
tree = Rhythm.RhythmTree(48, 1, ts, rhythms)
text = u'ぽよぽよぽよぽよぽよぽよぽよぽよ===あるう ひ もりのな か くまさん に であっ た あるう ひ もりのな か くまさん に であっ た'
lyrics = Lyrics.analyze(text)
lyrics = map(lambda l: Lyrics.divide(l['phoneme'], tree), lyrics)
beats = map(lambda l: Lyrics.pair(l, tree), lyrics)
c = Chord.Chord.from_name('C')
f = Chord.Chord.from_name('F')
f.inversion(1)
gsus4 = Chord.Chord.from_name('Gsus4')
gsus4.inversion(1)
prog = Chord.ChordProg(48, 4, [(c, 0), (f, 192), (gsus4, 384), (c, 576)])
note_range = Chord.note_range('C4', 'A5')
patterns = [{
0.125: {'length': 0.125, 'notes': [0]},
0.25: {'length': 0.25, 'notes': [1, 2]},
0.5: {'length': 0.25, 'notes': [2]},
0.75: {'length': 0.25, 'notes': [0, 100]},
[0, 6, 12, 18, 24, 36],
[0, 6, 12, 18, 24, 30, 36],
[0, 6, 12, 18, 24, 30, 36, 42]
]
rhythm_tree = Rhythm.RhythmTree(12, 1, Rhythm.TimeSignature(4, 2), rhythms)
lyric = u'ア^イウ/ア^イウエ/ア^イウエ_オ/ /カキク/ / /'
bars = Lyrics.divide(lyric, rhythm_tree)
bars.should.be.equal([[u'ア^イウ', u'ア^イウエ'], [u'ア^イウエ_オ'], [u'カキク'], []])
pairs = [
(u'ア^', 0.0),
(u'イ', 0.125),
(u'ウ', 0.25),
(u'ア^', 0.375),
(u'イ', 0.5),
(u'ウ', 0.625),
(u'エ', 0.75),
(u'ア^', 1.0),
(u'イ', 1.125),
(u'ウ', 1.25),
(u'エ_', 1.5),
(u'オ', 1.75),
(u'カ', 2.25),
(u'キ', 2.5),
(u'ク', 2.75),
]
beats = Lyrics.pair(bars, rhythm_tree)
beats.division.should.be.equal(rhythm_tree.division)
beats.time.should.be.equal(4)
beats.pairs.should.be.equal(pairs)