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#!/usr/bin/python3
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# Copyright (c) 2021 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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"""
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Make VoxCeleb1 trial of kaldi format
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this script creat the test trial from kaldi trial voxceleb1_test_v2.txt or official trial veri_test2.txt
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to kaldi trial format
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"""
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import argparse
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import codecs
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import os
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parser = argparse.ArgumentParser(description=__doc__)
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parser.add_argument("--voxceleb_trial",
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default="voxceleb1_test_v2",
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type=str,
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help="VoxCeleb trial file. Default we use the kaldi trial voxceleb1_test_v2.txt")
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parser.add_argument("--trial",
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default="data/test/trial",
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type=str,
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help="Kaldi format trial file")
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args = parser.parse_args()
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def main(voxceleb_trial, trial):
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"""
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VoxCeleb provide several trial file, which format is different with kaldi format.
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VoxCeleb format's meaning is as following:
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--------------------------------
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target_or_nontarget path1 path2
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--------------------------------
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target_or_nontarget is an integer: 1 target path1 is equal to path2
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0 nontarget path1 is unequal to path2
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path1: spkr_id/rec_id/name
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path2: spkr_id/rec_id/name
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Kaldi format's meaning is as following:
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---------------------------------------
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utt_id1 utt_id2 target_or_nontarget
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---------------------------------------
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utt_id1: utterance identification or speaker identification
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utt_id2: utterance identification or speaker identification
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target_or_nontarget is an string: 'target' utt_id1 is equal to utt_id2
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'nontarget' utt_id2 is unequal to utt_id2
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"""
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print("Start convert the voxceleb trial to kaldi format")
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if not os.path.exists(voxceleb_trial):
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raise RuntimeError("{} does not exist. Pleas input the correct file path".format(voxceleb_trial))
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trial_dirname = os.path.dirname(trial)
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if not os.path.exists(trial_dirname):
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os.mkdir(trial_dirname)
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with codecs.open(voxceleb_trial, 'r', encoding='utf-8') as f, \
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codecs.open(trial, 'w', encoding='utf-8') as w:
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for line in f:
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target_or_nontarget, path1, path2 = line.strip().split()
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utt_id1 = "-".join(path1.split("/"))
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utt_id2 = "-".join(path2.split("/"))
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target = "nontarget"
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if int(target_or_nontarget):
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target = "target"
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w.write("{} {} {}\n".format(utt_id1, utt_id2, target))
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print("Convert the voxceleb trial to kaldi format successfully")
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if __name__ == "__main__":
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main(args.voxceleb_trial, args.trial)
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