seekMap:
  isSeekable = true
  duration = 252977
  getPosition(0) = [[timeUs=0, position=0]]
  getPosition(1) = [[timeUs=1, position=0]]
  getPosition(126488) = [[timeUs=126488, position=9099]]
  getPosition(252977) = [[timeUs=252977, position=18386]]
numberOfTracks = 1
track 1900:
  total output bytes = 13281
  sample count = 8
  format 0:
    id = 1/1900
    sampleMimeType = audio/ac3
    channelCount = 6
    sampleRate = 48000
  sample 0:
    time = 32000
    flags = 1
    data = length 1536, hash 7108D5C2
  sample 1:
    time = 64000
    flags = 1
    data = length 1536, hash 80BF3B34
  sample 2:
    time = 96000
    flags = 1
    data = length 1536, hash 5D09685
  sample 3:
    time = 128000
    flags = 1
    data = length 1536, hash A9A24E44
  sample 4:
    time = 160000
    flags = 1
    data = length 1536, hash 6F856273
  sample 5:
    time = 192000
    flags = 1
    data = length 1536, hash B1737D3C
  sample 6:
    time = 224000
    flags = 1
    data = length 1536, hash 98FDEB9D
  sample 7:
    time = 256000
    flags = 1
    data = length 1536, hash 99B9B943
tracksEnded = true