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PaddleSpeech/paddleaudio/examples/sound_classification/export_model.py

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1.6 KiB

# Copyright (c) 2021 PaddlePaddle Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import argparse
import os
import paddle
from model import SoundClassifier
from paddleaudio.datasets import ESC50
from paddleaudio.models.panns import cnn14
# yapf: disable
parser = argparse.ArgumentParser(__doc__)
parser.add_argument("--checkpoint", type=str, required=True, help="Checkpoint of model.")
parser.add_argument("--output_dir", type=str, default='./export', help="Path to save static model and its parameters.")
args = parser.parse_args()
# yapf: enable
if __name__ == '__main__':
model = SoundClassifier(
backbone=cnn14(pretrained=False, extract_embedding=True),
num_class=len(ESC50.label_list))
model.set_state_dict(paddle.load(args.checkpoint))
model.eval()
model = paddle.jit.to_static(
model,
input_spec=[
paddle.static.InputSpec(
shape=[None, None, 64], dtype=paddle.float32)
])
# Save in static graph model.
paddle.jit.save(model, os.path.join(args.output_dir, "inference"))