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import os |
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import argparse |
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import torch |
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import json |
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from glob import glob |
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from pyworld import pyworld |
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from tqdm import tqdm |
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from scipy.io import wavfile |
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import utils |
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from mel_processing import mel_spectrogram_torch |
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import logging |
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logging.getLogger('numba').setLevel(logging.WARNING) |
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import parselmouth |
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import librosa |
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import numpy as np |
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def stft(y): |
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return librosa.stft( |
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y=y, |
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n_fft=1280, |
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hop_length=320, |
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win_length=1280, |
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) |
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def energy(y): |
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S = librosa.magphase(stft(y))[0] |
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e = np.sqrt(np.sum(S ** 2, axis=0)) |
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return e.squeeze() |
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def get_energy(path, p_len=None): |
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wav, sr = librosa.load(path, 48000) |
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e = energy(wav) |
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if p_len is None: |
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p_len = wav.shape[0] // 320 |
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assert e.shape[0] -p_len <2 ,(e.shape[0] ,p_len) |
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e = e[: p_len] |
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return e |
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def get_f0(path,p_len=None, f0_up_key=0): |
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x, _ = librosa.load(path, 48000) |
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if p_len is None: |
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p_len = x.shape[0]//320 |
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else: |
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assert abs(p_len-x.shape[0]//320) < 3, (path, p_len, x.shape) |
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time_step = 320 / 48000 * 1000 |
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f0_min = 50 |
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f0_max = 1100 |
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f0_mel_min = 1127 * np.log(1 + f0_min / 700) |
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f0_mel_max = 1127 * np.log(1 + f0_max / 700) |
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f0 = parselmouth.Sound(x, 48000).to_pitch_ac( |
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time_step=time_step / 1000, voicing_threshold=0.6, |
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pitch_floor=f0_min, pitch_ceiling=f0_max).selected_array['frequency'] |
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pad_size=(p_len - len(f0) + 1) // 2 |
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if(pad_size>0 or p_len - len(f0) - pad_size>0): |
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f0 = np.pad(f0,[[pad_size,p_len - len(f0) - pad_size]], mode='constant') |
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f0bak = f0.copy() |
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f0 *= pow(2, f0_up_key / 12) |
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f0_mel = 1127 * np.log(1 + f0 / 700) |
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f0_mel[f0_mel > 0] = (f0_mel[f0_mel > 0] - f0_mel_min) * 254 / (f0_mel_max - f0_mel_min) + 1 |
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f0_mel[f0_mel <= 1] = 1 |
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f0_mel[f0_mel > 255] = 255 |
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f0_coarse = np.rint(f0_mel).astype(np.int) |
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return f0_coarse, f0bak |
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def resize2d(x, target_len): |
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source = np.array(x) |
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source[source<0.001] = np.nan |
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target = np.interp(np.arange(0, len(source)*target_len, len(source))/ target_len, np.arange(0, len(source)), source) |
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res = np.nan_to_num(target) |
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return res |
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def compute_f0(path, c_len): |
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x, sr = librosa.load(path, sr=48000) |
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f0, t = pyworld.dio( |
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x.astype(np.double), |
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fs=sr, |
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f0_ceil=800, |
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frame_period=1000 * 320 / sr, |
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) |
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f0 = pyworld.stonemask(x.astype(np.double), f0, t, 48000) |
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for index, pitch in enumerate(f0): |
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f0[index] = round(pitch, 1) |
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assert abs(c_len - x.shape[0]//320) < 3, (c_len, f0.shape) |
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return None, resize2d(f0, c_len) |
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def process(filename): |
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print(filename) |
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save_name = filename+".soft.pt" |
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if not os.path.exists(save_name): |
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devive = torch.device("cuda" if torch.cuda.is_available() else "cpu") |
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wav, _ = librosa.load(filename, sr=16000) |
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wav = torch.from_numpy(wav).unsqueeze(0).to(devive) |
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c = utils.get_hubert_content(hmodel, wav) |
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torch.save(c.cpu(), save_name) |
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else: |
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c = torch.load(save_name) |
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f0path = filename+".f0.npy" |
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if not os.path.exists(f0path): |
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cf0, f0 = compute_f0(filename, c.shape[-1] * 3) |
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np.save(f0path, f0) |
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if __name__ == "__main__": |
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parser = argparse.ArgumentParser() |
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parser.add_argument("--in_dir", type=str, default="dataset/48k", help="path to input dir") |
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args = parser.parse_args() |
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print("Loading hubert for content...") |
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hmodel = utils.get_hubert_model(0 if torch.cuda.is_available() else None) |
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print("Loaded hubert.") |
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filenames = glob(f'{args.in_dir}/*/*.wav', recursive=True) |
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for filename in tqdm(filenames): |
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process(filename) |
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