Files
storyteller-ml/voice_conversion/softvc-48khz/acoustic-model/generate.py
T
Paul Sajna f86b44d8fc 48khz softvc (#16)
* 48KHz softvc

* add some notes

* almost forgot the inference script

* fix readme link

* requirements.txt
2023-05-24 21:43:03 -07:00

76 lines
2.4 KiB
Python

import argparse
from pathlib import Path
import numpy as np
from tqdm import tqdm
import torch
from acoustic.model import AcousticModel
from torch.nn.modules.utils import consume_prefix_in_state_dict_if_present
def repeat_expand_2d(content: torch.Tensor, target_len: int) -> torch.Tensor:
# content : [h, t]
src_len = content.shape[-1]
if target_len < src_len:
return content[:, :target_len]
else:
return torch.nn.functional.interpolate(
content.unsqueeze(0), size=target_len, mode="nearest"
).squeeze(0)
def generate(args):
print("Loading acoustic model checkpoint")
#acoustic = torch.hub.load("bshall/acoustic-model:main", f"hubert_{args.model}").cuda()
acoustic = AcousticModel().cuda().eval()
checkpoint = torch.load("exp/rue/model-2000.pt", map_location="cuda")["acoustic-model"]
consume_prefix_in_state_dict_if_present(checkpoint, "module.")
acoustic.load_state_dict(checkpoint)
print(f"Generating from {args.in_dir} -> {args.out_dir}")
for path in tqdm(list(args.in_dir.rglob("*.npy"))):
units = np.load(path)
units_dtype = torch.long if args.model == "discrete" else torch.float
units = torch.tensor(units, dtype=units_dtype).cuda()
units = units.T
print(units.shape)
target_len = units.shape[1]*3
units = units.squeeze(0)
units = repeat_expand_2d(units, target_len).T.unsqueeze(0)
with torch.inference_mode():
mel_ = acoustic.generate(units)
mel_ = mel_.transpose(1, 2)
out_path = args.out_dir / path.relative_to(args.in_dir)
out_path.parent.mkdir(exist_ok=True, parents=True)
np.save(out_path.with_suffix(".npy"), mel_.squeeze().cpu().numpy())
if __name__ == "__main__":
parser = argparse.ArgumentParser(
description="Generate spectrograms from input speech units (discrete or soft)."
)
parser.add_argument(
"model",
help="available models (HuBERT-Soft or HuBERT-Discrete)",
choices=["soft", "discrete"],
)
parser.add_argument(
"in_dir",
metavar="in-dir",
help="path to the dataset directory.",
type=Path,
)
parser.add_argument(
"out_dir",
metavar="out-dir",
help="path to the output directory.",
type=Path,
)
args = parser.parse_args()
generate(args)