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# Copyright (c) 2023 Amphion. | |
# | |
# This source code is licensed under the MIT license found in the | |
# LICENSE file in the root directory of this source tree. | |
import json | |
from tqdm import tqdm | |
import os | |
import librosa | |
from utils.util import has_existed | |
def get_lines(file): | |
with open(file, "r") as f: | |
lines = f.readlines() | |
lines = [l.strip() for l in lines] | |
return lines | |
def get_uid2utt(opencpop_path, dataset, dataset_type): | |
index_count = 0 | |
total_duration = 0 | |
file = os.path.join(opencpop_path, "segments", "{}.txt".format(dataset_type)) | |
lines = get_lines(file) | |
uid2utt = [] | |
for l in tqdm(lines): | |
items = l.split("|") | |
uid = items[0] | |
res = { | |
"Dataset": dataset, | |
"index": index_count, | |
"Singer": "female1", | |
"Uid": uid, | |
} | |
# Duration in wav files | |
audio_file = os.path.join(opencpop_path, "segments/wavs/{}.wav".format(uid)) | |
res["Path"] = audio_file | |
duration = librosa.get_duration(filename=res["Path"]) | |
res["Duration"] = duration | |
uid2utt.append(res) | |
index_count = index_count + 1 | |
total_duration += duration | |
return uid2utt, total_duration / 3600 | |
def main(dataset, output_path, dataset_path): | |
print("-" * 10) | |
print("Dataset splits for {}...\n".format(dataset)) | |
save_dir = os.path.join(output_path, dataset) | |
opencpop_path = dataset_path | |
for dataset_type in ["train", "test"]: | |
output_file = os.path.join(save_dir, "{}.json".format(dataset_type)) | |
if has_existed(output_file): | |
continue | |
res, hours = get_uid2utt(opencpop_path, dataset, dataset_type) | |
# Save | |
os.makedirs(save_dir, exist_ok=True) | |
with open(output_file, "w") as f: | |
json.dump(res, f, indent=4, ensure_ascii=False) | |
print("{}_{}_hours= {}".format(dataset, dataset_type, hours)) | |