62 lines
1.8 KiB
Python
62 lines
1.8 KiB
Python
#!/usr/bin/env python3
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# Copyright 2019 Mycroft AI Inc.
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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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import atexit
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import numpy as np
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import os
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from os import makedirs
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from os.path import isdir, join
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from shutil import rmtree
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from tempfile import mkdtemp
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from precise.params import pr
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from precise.util import save_audio
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class DummyAudioFolder:
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def __init__(self, count=10):
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self.count = count
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self.root = mkdtemp()
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atexit.register(self.cleanup)
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def rand(self, min, max):
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return min + (max - min) * np.random.random() * pr.buffer_t
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def generate_samples(self, folder, name, value, duration):
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"""Generate sample file.
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The file is generated in the specified folder, with the specified name,
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dummy value and duration.
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"""
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for i in range(self.count):
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save_audio(join(folder, name.format(i)),
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np.array([value] * int(duration * pr.sample_rate)))
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def subdir(self, *parts):
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folder = self.path(*parts)
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if not isdir(folder):
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makedirs(folder)
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return folder
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def path(self, *path):
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return join(self.root, *path)
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def count_files(self, folder):
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return sum([len(files) for r, d, files in os.walk(folder)])
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def cleanup(self):
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if isdir(self.root):
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rmtree(self.root)
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