seekMap:
  isSeekable = true
  duration = 66733
  getPosition(0) = [[timeUs=0, position=0]]
  getPosition(1) = [[timeUs=1, position=0]]
  getPosition(33366) = [[timeUs=33366, position=25887]]
  getPosition(66733) = [[timeUs=66733, position=51963]]
numberOfTracks = 3
track 256:
  total output bytes = 0
  sample count = 0
  format 0:
    id = 1/256
    sampleMimeType = video/mpeg2
    width = 640
    height = 426
    initializationData:
      data = length 22, hash CE183139
track 257:
  total output bytes = 2508
  sample count = 2
  format 0:
    id = 1/257
    sampleMimeType = audio/mpeg-L2
    maxInputSize = 4096
    channelCount = 1
    sampleRate = 44100
    language = und
  sample 0:
    time = 74700
    flags = 1
    data = length 1254, hash 73FB07B8
  sample 1:
    time = 100822
    flags = 1
    data = length 1254, hash 73FB07B8
track 600:
  total output bytes = 0
  sample count = 0
  format 0:
    sampleMimeType = application/x-scte35
    subsampleOffsetUs = -1400000
tracksEnded = true