6da85d4662
* [wekws] add online noise and rir argumentation * format * format * update copyright Co-authored-by: menglong.xu <menglong.xu>
60 lines
1.8 KiB
Python
60 lines
1.8 KiB
Python
# Copyright (c) 2022 Binbin Zhang(binbzha@qq.com)
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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 argparse
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import math
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import pickle
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import lmdb
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from tqdm import tqdm
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def get_args():
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parser = argparse.ArgumentParser(description='')
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parser.add_argument('in_scp_file', help='input scp file')
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parser.add_argument('out_lmdb', help='output lmdb')
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args = parser.parse_args()
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return args
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def main():
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args = get_args()
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db = lmdb.open(args.out_lmdb, map_size=int(math.pow(1024, 4))) # 1TB
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# txn is for Transaciton
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txn = db.begin(write=True)
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keys = []
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with open(args.in_scp_file, 'r', encoding='utf8') as fin:
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lines = fin.readlines()
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for i, line in enumerate(tqdm(lines)):
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arr = line.strip().split()
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assert len(arr) == 2
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key, wav = arr[0], arr[1]
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keys.append(key)
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with open(wav, 'rb') as fin:
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data = fin.read()
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txn.put(key.encode(), data)
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# Write flush to disk
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if i % 100 == 0:
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txn.commit()
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txn = db.begin(write=True)
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txn.commit()
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with db.begin(write=True) as txn:
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txn.put(b'__keys__', pickle.dumps(keys))
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db.sync()
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db.close()
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if __name__ == '__main__':
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main()
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