preprocess.py

import os
from data import ljspeech, blizzard2013
import hparams as hp

def write_metadata(train, val, out_dir):
    with open(os.path.join(out_dir, 'train.txt'), 'w', encoding='utf-8') as f:
        for m in train:
            f.write(m + '\n')
    with open(os.path.join(out_dir, 'val.txt'), 'w', encoding='utf-8') as f:
        for m in val:
            f.write(m + '\n')

def main():
    in_dir = hp.data_path
    out_dir = hp.preprocessed_path
    mel_out_dir = os.path.join(out_dir, "mel")
    if not os.path.exists(mel_out_dir):
        os.makedirs(mel_out_dir, exist_ok=True)
    ali_out_dir = os.path.join(out_dir, "alignment")
    if not os.path.exists(ali_out_dir):
        os.makedirs(ali_out_dir, exist_ok=True)
    f0_out_dir = os.path.join(out_dir, "f0")
    if not os.path.exists(f0_out_dir):
        os.makedirs(f0_out_dir, exist_ok=True)
    energy_out_dir = os.path.join(out_dir, "energy")
    if not os.path.exists(energy_out_dir):
        os.makedirs(energy_out_dir, exist_ok=True)

    if hp.dataset == "LJSpeech":
        train, val = ljspeech.build_from_path(in_dir, out_dir)
    if hp.dataset == "Blizzard2013":
        train, val = blizzard2013.build_from_path(in_dir, out_dir)
    write_metadata(train, val, out_dir)
    
if __name__ == "__main__":
    main()