code: def check_available_aac_encoders():
      
  
      cmd = [
          'ffmpeg',
          '-v', 'error',
          '-codecs'
      ]
  
      output = sp.check_output(cmd)
      aac_codecs = [
          x for x in
          output.splitlines() if "AAC (Advanced Audio Coding)" in str(x)
      ][0]
      hay = aac_codecs.decode('ascii')
      match = re.findall(r'\(encoders: ([^\)]*) \)', hay)
      if match:
          return match[0].split(" ")
      else:
          return None
docs: Returns the available AAC encoders
  
      Returns
      ----------
      codecs : list(str)
          List of available encoder codecs