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enginex-mr_series-sherpa-onnx/scripts/3dspeaker/export-onnx.py
2024-01-10 21:09:45 +08:00

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#!/usr/bin/env python3
# Copyright 2023-2024 Xiaomi Corp. (authors: Fangjun Kuang)
import argparse
import json
import os
import pathlib
import re
from typing import Dict
import onnx
import torch
from infer_sv import supports
from modelscope.hub.snapshot_download import snapshot_download
from speakerlab.utils.builder import dynamic_import
def add_meta_data(filename: str, meta_data: Dict[str, str]):
"""Add meta data to an ONNX model. It is changed in-place.
Args:
filename:
Filename of the ONNX model to be changed.
meta_data:
Key-value pairs.
"""
model = onnx.load(filename)
for key, value in meta_data.items():
meta = model.metadata_props.add()
meta.key = key
meta.value = str(value)
onnx.save(model, filename)
def get_args():
parser = argparse.ArgumentParser()
parser.add_argument(
"--model",
type=str,
required=True,
choices=[
"speech_campplus_sv_en_voxceleb_16k",
"speech_campplus_sv_zh-cn_16k-common",
"speech_eres2net_sv_en_voxceleb_16k",
"speech_eres2net_sv_zh-cn_16k-common",
"speech_eres2net_base_200k_sv_zh-cn_16k-common",
"speech_eres2net_base_sv_zh-cn_3dspeaker_16k",
"speech_eres2net_large_sv_zh-cn_3dspeaker_16k",
],
)
return parser.parse_args()
@torch.no_grad()
def main():
args = get_args()
local_model_dir = "pretrained"
model_id = f"damo/{args.model}"
conf = supports[model_id]
cache_dir = snapshot_download(
model_id,
revision=conf["revision"],
)
cache_dir = pathlib.Path(cache_dir)
save_dir = os.path.join(local_model_dir, model_id.split("/")[1])
save_dir = pathlib.Path(save_dir)
save_dir.mkdir(exist_ok=True, parents=True)
download_files = ["examples", conf["model_pt"]]
for src in cache_dir.glob("*"):
if re.search("|".join(download_files), src.name):
dst = save_dir / src.name
try:
dst.unlink()
except FileNotFoundError:
pass
dst.symlink_to(src)
pretrained_model = save_dir / conf["model_pt"]
pretrained_state = torch.load(pretrained_model, map_location="cpu")
model = conf["model"]
embedding_model = dynamic_import(model["obj"])(**model["args"])
embedding_model.load_state_dict(pretrained_state)
embedding_model.eval()
with open(f"{cache_dir}/configuration.json") as f:
json_config = json.loads(f.read())
print(json_config)
T = 100
C = 80
x = torch.rand(1, T, C)
filename = f"{args.model}.onnx"
torch.onnx.export(
embedding_model,
x,
filename,
opset_version=13,
input_names=["x"],
output_names=["embedding"],
dynamic_axes={
"x": {0: "N", 1: "T"},
"embeddings": {0: "N"},
},
)
# all models from 3d-speaker expect input samples in the range
# [-1, 1]
normalize_samples = 1
# all models from 3d-speaker normalize the features by the global mean
feature_normalize_type = "global-mean"
sample_rate = json_config["model"]["model_config"]["sample_rate"]
feat_dim = conf["model"]["args"]["feat_dim"]
assert feat_dim == 80, feat_dim
output_dim = conf["model"]["args"]["embedding_size"]
if "zh-cn" in args.model:
language = "Chinese"
elif "en" in args.model:
language = "English"
else:
raise ValueError(f"Unsupported language for model {args.model}")
comment = f"This model is from damo/{args.model}"
url = f"https://www.modelscope.cn/models/damo/{args.model}/summary"
meta_data = {
"framework": "3d-speaker",
"language": language,
"url": url,
"comment": comment,
"sample_rate": sample_rate,
"output_dim": output_dim,
"normalize_samples": normalize_samples,
"feature_normalize_type": feature_normalize_type,
}
print(meta_data)
add_meta_data(filename=filename, meta_data=meta_data)
main()