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| import os | |
| head_list = ["C", "C#", "D", "D#", "E", "F", "F#", "G", "G#", "A", "A#", "B"] | |
| def trans_f0_seq(feature_pit, transform): | |
| feature_pit = feature_pit * 2 ** (transform / 12) | |
| return round(feature_pit, 1) | |
| def move_key(raw_data, mv_key): | |
| head = raw_data[:-1] | |
| body = int(raw_data[-1]) | |
| new_head_index = head_list.index(head) + mv_key | |
| while new_head_index < 0: | |
| body -= 1 | |
| new_head_index += 12 | |
| while new_head_index > 11: | |
| body += 1 | |
| new_head_index -= 12 | |
| result_data = head_list[new_head_index] + str(body) | |
| return result_data | |
| def trans_key(raw_data, key): | |
| for i in raw_data: | |
| note_seq_list = i["note_seq"].split(" ") | |
| new_note_seq_list = [] | |
| for note_seq in note_seq_list: | |
| if note_seq != "rest": | |
| new_note_seq = move_key(note_seq, key) | |
| new_note_seq_list.append(new_note_seq) | |
| else: | |
| new_note_seq_list.append(note_seq) | |
| i["note_seq"] = " ".join(new_note_seq_list) | |
| f0_seq_list = i["f0_seq"].split(" ") | |
| f0_seq_list = [float(x) for x in f0_seq_list] | |
| new_f0_seq_list = [] | |
| for f0_seq in f0_seq_list: | |
| new_f0_seq = trans_f0_seq(f0_seq, key) | |
| new_f0_seq_list.append(str(new_f0_seq)) | |
| i["f0_seq"] = " ".join(new_f0_seq_list) | |
| return raw_data | |
| def trans_opencpop(raw_txt, res_txt, key): | |
| if os.path.exists(raw_txt): | |
| f_w = open(res_txt, "w", encoding='utf-8') | |
| with open(raw_txt, "r", encoding='utf-8') as f: | |
| raw_data = f.readlines() | |
| for raw in raw_data: | |
| raw_list = raw.split("|") | |
| new_note_seq_list = [] | |
| for note_seq in raw_list[3].split(" "): | |
| if note_seq != "rest": | |
| note_seq = note_seq.split("/")[0] if "/" in note_seq else note_seq | |
| new_note_seq = move_key(note_seq, key) | |
| new_note_seq_list.append(new_note_seq) | |
| else: | |
| new_note_seq_list.append(note_seq) | |
| raw_list[3] = " ".join(new_note_seq_list) | |
| f_w.write("|".join(raw_list)) | |
| f_w.close() | |
| print("opencpop标注文件转换完毕") | |
| else: | |
| print("未发现opencpop标注文件，请检查路径") | |