173 lines
6.7 KiB
Python
173 lines
6.7 KiB
Python
import argparse
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import logging
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import os
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import random
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from concurrent.futures import ProcessPoolExecutor
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from glob import glob
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from random import shuffle
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import librosa
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import numpy as np
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import torch
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import torch.multiprocessing as mp
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from loguru import logger
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from tqdm import tqdm
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import diffusion.logger.utils as du
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import utils
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from diffusion.vocoder import Vocoder
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from modules.mel_processing import spectrogram_torch
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logging.getLogger("numba").setLevel(logging.WARNING)
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logging.getLogger("matplotlib").setLevel(logging.WARNING)
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hps = utils.get_hparams_from_file("configs/config.json")
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dconfig = du.load_config("configs/diffusion.yaml")
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sampling_rate = hps.data.sampling_rate
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hop_length = hps.data.hop_length
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speech_encoder = hps["model"]["speech_encoder"]
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def process_one(filename, hmodel, f0p, device, diff=False, mel_extractor=None):
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wav, sr = librosa.load(filename, sr=sampling_rate)
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audio_norm = torch.FloatTensor(wav)
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audio_norm = audio_norm.unsqueeze(0)
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soft_path = filename + ".soft.pt"
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if not os.path.exists(soft_path):
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wav16k = librosa.resample(wav, orig_sr=sampling_rate, target_sr=16000)
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wav16k = torch.from_numpy(wav16k).to(device)
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c = hmodel.encoder(wav16k)
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torch.save(c.cpu(), soft_path)
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f0_path = filename + ".f0.npy"
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if not os.path.exists(f0_path):
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f0_predictor = utils.get_f0_predictor(f0p,sampling_rate=sampling_rate, hop_length=hop_length,device=None,threshold=0.05)
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f0,uv = f0_predictor.compute_f0_uv(
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wav
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)
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np.save(f0_path, np.asanyarray((f0,uv),dtype=object))
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spec_path = filename.replace(".wav", ".spec.pt")
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if not os.path.exists(spec_path):
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# Process spectrogram
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# The following code can't be replaced by torch.FloatTensor(wav)
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# because load_wav_to_torch return a tensor that need to be normalized
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if sr != hps.data.sampling_rate:
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raise ValueError(
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"{} SR doesn't match target {} SR".format(
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sr, hps.data.sampling_rate
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)
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)
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#audio_norm = audio / hps.data.max_wav_value
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spec = spectrogram_torch(
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audio_norm,
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hps.data.filter_length,
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hps.data.sampling_rate,
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hps.data.hop_length,
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hps.data.win_length,
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center=False,
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)
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spec = torch.squeeze(spec, 0)
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torch.save(spec, spec_path)
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if diff or hps.model.vol_embedding:
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volume_path = filename + ".vol.npy"
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volume_extractor = utils.Volume_Extractor(hop_length)
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if not os.path.exists(volume_path):
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volume = volume_extractor.extract(audio_norm)
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np.save(volume_path, volume.to('cpu').numpy())
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if diff:
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mel_path = filename + ".mel.npy"
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if not os.path.exists(mel_path) and mel_extractor is not None:
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mel_t = mel_extractor.extract(audio_norm.to(device), sampling_rate)
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mel = mel_t.squeeze().to('cpu').numpy()
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np.save(mel_path, mel)
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aug_mel_path = filename + ".aug_mel.npy"
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aug_vol_path = filename + ".aug_vol.npy"
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max_amp = float(torch.max(torch.abs(audio_norm))) + 1e-5
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max_shift = min(1, np.log10(1/max_amp))
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log10_vol_shift = random.uniform(-1, max_shift)
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keyshift = random.uniform(-5, 5)
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if mel_extractor is not None:
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aug_mel_t = mel_extractor.extract(audio_norm * (10 ** log10_vol_shift), sampling_rate, keyshift = keyshift)
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aug_mel = aug_mel_t.squeeze().to('cpu').numpy()
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aug_vol = volume_extractor.extract(audio_norm * (10 ** log10_vol_shift))
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if not os.path.exists(aug_mel_path):
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np.save(aug_mel_path,np.asanyarray((aug_mel,keyshift),dtype=object))
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if not os.path.exists(aug_vol_path):
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np.save(aug_vol_path,aug_vol.to('cpu').numpy())
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def process_batch(file_chunk, f0p, diff=False, mel_extractor=None, device="cpu"):
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logger.info("Loading speech encoder for content...")
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rank = mp.current_process()._identity
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rank = rank[0] if len(rank) > 0 else 0
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if torch.cuda.is_available():
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gpu_id = rank % torch.cuda.device_count()
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device = torch.device(f"cuda:{gpu_id}")
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logger.info(f"Rank {rank} uses device {device}")
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hmodel = utils.get_speech_encoder(speech_encoder, device=device)
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logger.info(f"Loaded speech encoder for rank {rank}")
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for filename in tqdm(file_chunk, position = rank):
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process_one(filename, hmodel, f0p, device, diff, mel_extractor)
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def parallel_process(filenames, num_processes, f0p, diff, mel_extractor, device):
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with ProcessPoolExecutor(max_workers=num_processes) as executor:
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tasks = []
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for i in range(num_processes):
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start = int(i * len(filenames) / num_processes)
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end = int((i + 1) * len(filenames) / num_processes)
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file_chunk = filenames[start:end]
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tasks.append(executor.submit(process_batch, file_chunk, f0p, diff, mel_extractor, device=device))
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for task in tqdm(tasks, position = 0):
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task.result()
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if __name__ == "__main__":
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parser = argparse.ArgumentParser()
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parser.add_argument('-d', '--device', type=str, default=None)
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parser.add_argument(
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"--in_dir", type=str, default="dataset/44k", help="path to input dir"
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)
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parser.add_argument(
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'--use_diff',action='store_true', help='Whether to use the diffusion model'
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)
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parser.add_argument(
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'--f0_predictor', type=str, default="rmvpe", help='Select F0 predictor, can select crepe,pm,dio,harvest,rmvpe,fcpe|default: pm(note: crepe is original F0 using mean filter)'
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)
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parser.add_argument(
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'--num_processes', type=int, default=1, help='You are advised to set the number of processes to the same as the number of CPU cores'
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)
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args = parser.parse_args()
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f0p = args.f0_predictor
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device = args.device
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if device is None:
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device = torch.device("cuda:0" if torch.cuda.is_available() else "cpu")
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print(speech_encoder)
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logger.info("Using device: " + str(device))
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logger.info("Using SpeechEncoder: " + speech_encoder)
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logger.info("Using extractor: " + f0p)
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logger.info("Using diff Mode: " + str(args.use_diff))
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if args.use_diff:
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print("use_diff")
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print("Loading Mel Extractor...")
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mel_extractor = Vocoder(dconfig.vocoder.type, dconfig.vocoder.ckpt, device=device)
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print("Loaded Mel Extractor.")
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else:
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mel_extractor = None
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filenames = glob(f"{args.in_dir}/*/*.wav", recursive=True) # [:10]
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shuffle(filenames)
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mp.set_start_method("spawn", force=True)
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num_processes = args.num_processes
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if num_processes == 0:
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num_processes = os.cpu_count()
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parallel_process(filenames, num_processes, f0p, args.use_diff, mel_extractor, device)
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