seekMap:
  isSeekable = true
  duration = 796888
  getPosition(0) = [[timeUs=0, position=0]]
  getPosition(1) = [[timeUs=1, position=0]]
  getPosition(398444) = [[timeUs=398444, position=13385]]
  getPosition(796888) = [[timeUs=796888, position=26959]]
numberOfTracks = 1
track 1900:
  total output bytes = 2555
  sample count = 6
  format 0:
    id = 1/1900
    sampleMimeType = audio/ac4
    channelCount = 2
    sampleRate = 48000
  sample 0:
    time = 520000
    flags = 1
    data = length 598, hash 8169EE2
  sample 1:
    time = 560000
    flags = 1
    data = length 435, hash 28C21246
  sample 2:
    time = 600000
    flags = 1
    data = length 365, hash FF14716D
  sample 3:
    time = 640000
    flags = 1
    data = length 392, hash 4CC96B29
  sample 4:
    time = 680000
    flags = 1
    data = length 373, hash D7AC6D4E
  sample 5:
    time = 720000
    flags = 1
    data = length 392, hash 99F2511F
tracksEnded = true