seekMap:
  isSeekable = true
  duration = 66733
  getPosition(0) = [[timeUs=0, position=0]]
  getPosition(1) = [[timeUs=1, position=0]]
  getPosition(33366) = [[timeUs=33366, position=6420]]
  getPosition(66733) = [[timeUs=66733, position=13028]]
numberOfTracks = 1
track 256:
  total output bytes = 12451
  sample count = 4
  format 0:
    id = 1/256
    sampleMimeType = video/avc
    codecs = avc1.64001E
    width = 640
    height = 426
    initializationData:
      data = length 29, hash 4C2CAE9C
      data = length 9, hash D971CD89
  sample 0:
    time = 88977
    flags = 0
    data = length 734, hash AF0D9485
  sample 1:
    time = 88977
    flags = 1
    data = length 10938, hash 68420875
  sample 2:
    time = 155710
    flags = 0
    data = length 6, hash 34E6CF79
  sample 3:
    time = 155710
    flags = 0
    data = length 518, hash 546C177
tracksEnded = true
