Beispiel #1
0
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)
Beispiel #2
0
l[1]['phoneme'].should.be.equal(u'ホ^シゾラ/リ_ン/')

rhythms = [
    [],
    [0],
    [0, 12],
    [12, 24, 36],
    [0, 12, 24, 36],
    [0, 6, 12, 24, 36],
    [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),
Beispiel #3
0
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())
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]},
l[1]['phoneme'].should.be.equal(u'ホ^シゾラ/リ_ン/')

rhythms = [
    [],
    [0],
    [0, 12],
    [12, 24, 36],
    [0, 12, 24, 36],
    [0, 6, 12, 24, 36],
    [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),