mirror of
https://github.com/TriM-Organization/Musicreater.git
synced 2024-11-14 11:27:42 +08:00
88 lines
2.5 KiB
Python
88 lines
2.5 KiB
Python
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"""音创系列的文件读取功能"""
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from nmcsup.log import log
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from nmcsup.const import notes
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#从格式文本文件读入一个音轨并存入一个列表
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def ReadFile(fn : str) -> list:
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from nmcsup.trans import note2list
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log('打开'+fn+"并读取音符")
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try:
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nat = open(fn, 'r', encoding='UTF-8').read().split(" ")
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del fn
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except:
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log("找不到读取目标文件")
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return False
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Notes = []
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log(str(nat)+"已读取")
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for i in range(int(len(nat)/2)):
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Notes.append([nat[i*2], float(nat[i*2+1])])
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Notes = note2list(Notes)
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log('音符数据更新'+str(Notes))
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return [Notes,]
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#从midi读入多个音轨，返回多个音轨列表
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def ReadMidi(midfile : str ) -> list:
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import mido
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from msctspt.threadOpera import NewThread
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Notes = []
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try:
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mid = mido.MidiFile(midfile)
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except:
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log("找不到文件或无法读取文件"+midfile)
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return False
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# 解析
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ks = list(notes.values())
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def loadMidi(track):
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datas = []
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for i in track:
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if i.is_meta:
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log('元信息'+str(i))
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pass # 不处理元信息
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elif 'note_on' in str(i):
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msg = str(i).replace("note=", '').replace("time=", '').split(" ")
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log('音符on消息，处理后：'+str(msg))
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if msg[4] == '0':
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datas.append([ks[int(msg[2])-20][0], 1.0])
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log('延续时间0tick--：添加音符'+str([ks[int(msg[2])-20][0], 1.0]))
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else:
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datas.append([ks[int(msg[2])-20][0], float(msg[4])/480])
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log('延续时间'+msg[4]+'tick--：添加音符' +str([ks[int(msg[2])-20][0], float(msg[4])/480]))
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del msg
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log('音符增加'+str(datas))
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return datas
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for j, track in enumerate(mid.tracks):
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th = NewThread(loadMidi,(track,))
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th.start()
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Notes.append(th.getResult())
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del ks
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return Notes
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def ReadOldProject(fn:str) -> list:
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import json
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from nmcsup.trans import note2list
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log("读取文件："+fn)
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try:
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with open(fn, 'r', encoding='UTF-8') as c:
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dataset = json.load(c)
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except:
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print('找不到文件：'+fn+"，请查看您是否输入正确")
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log("丢失"+fn)
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return False
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for i in range(len(dataset['musics'])):
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dataset['musics'][i]['notes'] = note2list(dataset['musics'][i]['notes'])
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#返回 音轨列表 选择器
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return dataset
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