Win_size Hope_size

.swift

  // You can download file here: https://www.dropbox.com/s/ee5bpj6hvjixuna/example2.aif?dl=0
  let path = Bundle.main.path(forResource: "example2", ofType: "aif")

  if (path != nil) {

      let win_size : uint_t = 2048  // Try it with 2048 and then 1024
      let hop_size : uint_t = win_size/4
      let a = new_fvec(hop_size)
      let b = new_aubio_source(path, 0, hop_size)
      var read: uint_t = 0
      var total_frames : uint_t = 0
      let samplerate = aubio_source_get_samplerate(b)

      let OUT = new_fvec(1)

      let o = new_aubio_tempo("default", win_size, hop_size, samplerate)


      print(samplerate)
      while (true) {

          aubio_source_do(b, a, &read)                
          aubio_tempo_do(o, a, OUT)

          print( aubio_tempo_get_last_ms(o), aubio_tempo_get_last_s(o),
                 aubio_tempo_get_last(o), aubio_tempo_get_bpm(o), aubio_tempo_get_confidence(o))

          total_frames += read

          if (read < hop_size) { break }
      }


      print("read", total_frames, "frames at", aubio_source_get_samplerate(b), "Hz")
      del_aubio_source(b)
      del_fvec(a)
  } else {
      print("could not find file")
  }