add_meta_data.py
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#!/usr/bin/env python3
# Copyright 2025 Xiaomi Corp. (authors: Fangjun Kuang)
import argparse
import onnx
def get_args():
parser = argparse.ArgumentParser()
parser.add_argument("--in-model", type=str, required=True, help="input onnx model")
parser.add_argument(
"--out-model", type=str, required=True, help="output onnx model"
)
return parser.parse_args()
def main():
args = get_args()
print(args.in_model, args.out_model)
model = onnx.load(args.in_model)
meta_data = {
"model_type": "vocos",
"model_filename": "mel_spec_22khz_univ.onnx",
"sample_rate": 22050,
"version": 1,
"model_author": "BSC-LT",
"maintainer": "k2-fsa",
"n_fft": 1024,
"hop_length": 256,
"win_length": 1024,
"window_type": "hann",
"center": 1,
"pad_mode": "reflect",
"normalized": 0,
"url1": "https://huggingface.co/BSC-LT/vocos-mel-22khz",
"url2": "https://github.com/gemelo-ai/vocos",
}
print(model.metadata_props)
while len(model.metadata_props):
model.metadata_props.pop()
for key, value in meta_data.items():
meta = model.metadata_props.add()
meta.key = key
meta.value = str(value)
print("--------------------")
print(model.metadata_props)
onnx.save(model, args.out_model)
print(f"Saved to {args.out_model}")
if __name__ == "__main__":
main()