seekMap:
  isSeekable = true
  duration = 2808000
  getPosition(0) = [[timeUs=0, position=39740]]
  getPosition(1) = [[timeUs=0, position=39740]]
  getPosition(1404000) = [[timeUs=1404000, position=58820]]
  getPosition(2808000) = [[timeUs=2808000, position=77900]]
numberOfTracks = 1
track 0:
  total output bytes = 0
  sample count = 0
  format 0:
    sampleMimeType = audio/mpeg
    maxInputSize = 4096
    channelCount = 2
    sampleRate = 48000
    encoderDelay = 576
    encoderPadding = 576
tracksEnded = true