39 lines
1.3 KiB
Python
39 lines
1.3 KiB
Python
# Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from paddle.io import Dataset
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import os
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import librosa
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__all__ = ["AudioFolderDataset"]
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class AudioFolderDataset(Dataset):
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def __init__(self, path, sample_rate, extension="wav"):
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self.root = os.path.expanduser(path)
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self.sample_rate = sample_rate
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self.extension = extension
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self.file_names = [
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os.path.join(self.root, x) for x in os.listdir(self.root) \
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if os.path.splitext(x)[-1] == self.extension]
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self.length = len(self.file_names)
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def __len__(self):
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return self.length
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def __getitem__(self, i):
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file_name = self.file_names[i]
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y, _ = librosa.load(file_name, sr=self.sample_rate) # pylint: disable=unused-variable
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return y
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