#C4音对象
n = Note('C')
#变为C5
n.set_note('C', 5)
#音对象属性
n.name #十二音名
n.octave #第几八度
n.dynamics #其它属性
#音对象方法
int(n) #音对象的数值
c = Note()
c.from_int(12) #使用数值创建音对象
c.octave_up() #升八度
c.octave_down() #降八度
c.change_octave(2) #升n八度
c.transpose('3', up=True) #向上升三度
c.augment() #升半音
c.diminish() #降半音
c.remove_redundant_accidentals() #清理多余升降号(只能成对清理，烂)
#谱容器
from mingus.containers import NoteContainer
#创建谱容器对象（继承列表，完全可以按列表操作，不用看下面的）
n = NoteContainer(['A-3', 'C-5', 'B-4'])
n.add_note('F-1') # 0位加音
n.remove_note('B', 4) #删音
n.empty() #清空
#乐器音色
from mingus.containers.instrument import Instrument, Piano, Guitar
#创建乐器对象
def play_Music(filename):
f = open(filename, 'rb')
data = json.loads(f.read(), encoding='utf8')
f.close()
n = data['音符']
h = data['音高']
r = data['节拍']
l = data['组成']
k = data['调性']
t = Track()
b = Bar('C', (4, 4))
b.place_rest(1)
t.add_bar(b)
name = 'CDEFGAB'
symbol = '!@#$%^&'
def tran(x):
if x >= 'a':
return ord(x) - 87
elif x == '0':
return 0.5
else:
return float(x)
f = open(filename, 'rb')
data = json.loads(f.read(), encoding='utf8')
f.close()
n = data['音符']
h = data['音高']
r = data['节拍']
l = data['组成']
k = data['调性']
t = Track()
b = Bar('C', (4, 4))
b.place_rest(1)
t.add_bar(b)
name = 'CDEFGAB'
symbol = '!@#$%^&'
for i in range(len(l)):
rn = list(map(tran, r[l[i]]))
b = Bar('C', (4 * sum(rn)/8, 4))
for j in range(len(n[l[i]])):
if n[l[i]][j] == '0':
b.place_rest(8 / rn[j])
else:
x = symbol.find(n[l[i]][j])
if x == -1:
x = int(n[l[i]][j]) - 1
y = name[x]
else:
y = name[x] + '#'
print(y)
note = Note(y, int(h[l[i]][j]))
note.transpose(k[i])
b.place_notes(note, 8 / rn[j])
t.add_bar(b)
t2 = Track()
b = Bar('C', (4, 4))
b.place_rest(1)
t2.add_bar(b)
for i in range(int(sum(map(sum, map(lambda x: map(tran, r[x]), l)))) // 8):
b = Bar('C', (4, 4))
b.place_notes('C-3', 4)
b.place_notes('C-7', 4)
b.place_notes('C-5', 4)
b.place_notes('C-7', 4)
t2.add_bar(b)
m = MidiFile()
mt = MidiTrack(150)
mt2 = MidiTrack(150)
mt3 = MidiTrack(150)
m.tracks = [mt,mt2,mt3]
mt.set_instrument(1, 25)
mt.play_Track(t)
# for _, _, i in t2.get_notes():
# if i is not None:
# i[0].set_channel(2)
# mt2.set_instrument(2, 115)
# mt2.play_Track(t2)
# for _, _, i in t.get_notes():
# if i is not None:
# i[0].set_channel(3)
# mt3.set_instrument(3, 100)
# mt3.track_data += mt3.controller_event(3, 7, 30)
# mt3.play_Track(t)
# m.write_file('D:/test.midi', False)
# for i in range(len(l)):
# rn = list(map(tran, r[l[i]]))
# b = Bar('C', (4 * sum(rn) / 8, 4))
# for j in range(len(n[l[i]])):
# # if i==0 and j==0:
# # b.place_notes('D-4', 3)
# # el
# if n[l[i]][j] == '0':
# b.place_rest(1 / rn[j])
# else:
# x = symbol.find(n[l[i]][j])
# if x == -1:
# x = int(n[l[i]][j]) - 1
# y = name[x]
# else:
# y = name[x] + '#'
# print(y)
#
# note = Note(y, int(h[l[i]][j]))
# note.transpose(k[i])
# #print(note)
# print(rn[j])
# #print(b)
# b.place_notes(note, 1 / rn[j])
# t.add_bar(b)
# print(b)
fluidsynth.init("D:\MyCode\MyPython\AiMusicCoach\GeneralUserSoftSynth\GeneralUserSoftSynth.sf2")
fluidsynth.set_instrument(1, 1) #24=Nylon Guitar
# 25=Steel Guitar
# 26=Jazz Guitar
# 27=Clean Guitar
# 28=Muted Guitar
# 29=Overdrive Guitar
# 30=Distortion Guitar
m.write_file('D:\MyCode\MyPython\AiMusicCoach\Backend\music_file\mysong.midi', False)
os.system("d: && cd D:\\MyCode\\MyPython\\AiMusicCoach\\fluidsynth-x64\\bin && fluidsynth -F mysong.wav D:/MyCode/MyPython/AiMusicCoach/GeneralUserSoftSynth/GeneralUserSoftSynth.sf2 D:\MyCode\MyPython\AiMusicCoach\Backend\music_file\mysong.midi")
fluidsynth.play_Track(t, channel=1, bpm=150)
