reader_file.py 文件源码

def parse_audio(self):
    limit = None
    # limit = 10

    songname, extension = os.path.splitext(os.path.basename(self.filename))

    try:
      audiofile = AudioSegment.from_file(self.filename)

      if limit:
        audiofile = audiofile[:limit * 1000]

      data = np.fromstring(audiofile._data, np.int16)

      channels = []
      for chn in xrange(audiofile.channels):
        channels.append(data[chn::audiofile.channels])

      fs = audiofile.frame_rate
    except audioop.error:
      print('audioop.error')
      pass
        # fs, _, audiofile = wavio.readwav(filename)

        # if limit:
        #     audiofile = audiofile[:limit * 1000]

        # audiofile = audiofile.T
        # audiofile = audiofile.astype(np.int16)

        # channels = []
        # for chn in audiofile:
        #     channels.append(chn)

    return {
      "songname": songname,
      "extension": extension,
      "channels": channels,
      "Fs": audiofile.frame_rate,
      "file_hash": self.parse_file_hash()
    }