seekMap:
  isSeekable = true
  duration = 288000
  getPosition(0) = [[timeUs=0, position=636]]
  getPosition(1) = [[timeUs=0, position=636]]
  getPosition(144000) = [[timeUs=0, position=636]]
  getPosition(288000) = [[timeUs=0, position=636]]
numberOfTracks = 1
track 0:
  total output bytes = 1536
  sample count = 1
  format 0:
    id = 1
    sampleMimeType = audio/ac3
    channelCount = 6
    sampleRate = 48000
    language = und
  sample 0:
    time = 256000
    flags = 1
    data = length 1536, hash AAD9FCD2
tracksEnded = true