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- # Copyright (c) 2022 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 os
- import argparse
-
- from pydub import AudioSegment
-
- if __name__ == "__main__":
- parser = argparse.ArgumentParser("Convert other audio formats to wav.")
- parser.add_argument("--audio_file", type=str, required=True, help="Path to source audio.")
- parser.add_argument("--wav_file", type=str, default=None, help="Path to save .wav file.")
- parser.add_argument("--audio_format", type=str, default=None, help="The file extension.")
- args = parser.parse_args()
-
- supported = ["mp3", "m4a", "wav"]
- if args.audio_format is not None:
- if args.audio_format not in supported:
- raise ValueError(".%s format file is not supported!" % args.audio_format)
- supported = [args.audio_format]
- print("All %s format files are converted to .wav format..." % ", ".join(supported))
-
- if os.path.isfile(args.audio_file):
- src_files = [args.audio_file]
- if args.audio_format is not None:
- if args.audio_format != args.audio_file.strip().split(".")[-1]:
- raise ValueError(
- "Ignore audio_format %s! It is not consistent with the format of audio_file %s."
- % (args.audio_format, args.audio_file)
- )
- elif os.path.isdir(args.audio_file):
- src_files = [x for x in os.listdir(args.audio_file) if x.strip().split(".")[-1] in supported]
- src_files = [os.path.join(args.audio_file, x) for x in src_files]
- else:
- raise Exception("%s is neither valid path nor file!" % args.audio_file)
-
- if args.wav_file is None:
- wav_files = [os.path.basename(x)[:-3] + "wav" for x in src_files]
- elif os.path.isfile(args.wav_file):
- if len(src_files) == 1:
- wav_files = [args.wav_file]
- else:
- raise Exception(
- "All audios in %s will overwrite the same file %s! \
- Please check it."
- % (args.audio_file, args.wav_file)
- )
- else:
- if not os.path.exists(args.wav_file):
- os.makedirs(args.wav_file)
- wav_files = [os.path.join(args.wav_file, os.path.basename(x)[:-3] + "wav") for x in src_files]
-
- for src_file, wav_file in zip(src_files, wav_files):
- audio = AudioSegment.from_file(src_file, src_file[-3:])
- wav_audio = audio.export(wav_file, format="wav")
-
- print("%d files converted!" % len(src_files))
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