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import os |
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import argparse |
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import librosa |
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from multiprocessing import Pool, cpu_count |
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import soundfile |
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from tqdm import tqdm |
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def process(item): |
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spkdir, wav_name, args = item |
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speaker = spkdir.replace("\\", "/").split("/")[-1] |
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wav_path = os.path.join(args.in_dir, speaker, wav_name) |
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if os.path.exists(wav_path) and ".wav" in wav_path: |
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os.makedirs(os.path.join(args.out_dir, speaker), exist_ok=True) |
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wav, sr = librosa.load(wav_path, sr=args.sr) |
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soundfile.write(os.path.join(args.out_dir, speaker, wav_name), wav, sr) |
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if __name__ == "__main__": |
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parser = argparse.ArgumentParser() |
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parser.add_argument("--sr", type=int, default=44100, help="sampling rate") |
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parser.add_argument( |
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"--in_dir", type=str, default="./raw", help="path to source dir" |
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) |
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parser.add_argument( |
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"--out_dir", type=str, default="./dataset", help="path to target dir" |
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) |
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args = parser.parse_args() |
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processes = cpu_count() - 2 if cpu_count() > 4 else 1 |
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pool = Pool(processes=processes) |
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for speaker in os.listdir(args.in_dir): |
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spk_dir = os.path.join(args.in_dir, speaker) |
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if os.path.isdir(spk_dir): |
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print(spk_dir) |
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for _ in tqdm( |
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pool.imap_unordered( |
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process, |
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[ |
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(spk_dir, i, args) |
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for i in os.listdir(spk_dir) |
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if i.endswith("wav") |
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], |
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) |
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): |
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pass |
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