text: seekMap:
    isSeekable = false
    duration = UNSET TIME
    getPosition(0) = [[timeUs=0, position=0]]
  numberOfTracks = 2
  track 256:
    total output bytes = 45026
    sample count = 2
    format 0:
      id = 1/256
      sampleMimeType = video/mpeg2
      width = 640
      height = 426
      initializationData:
        data = length 22, hash CE183139
    sample 0:
      time = 33366
      flags = 1
      data = length 20711, hash 34341E8
    sample 1:
      time = 66733
      flags = 0
      data = length 18112, hash EC44B35B
  track 257:
    total output bytes = 5015
    sample count = 4
    format 0:
      id = 1/257
      sampleMimeType = audio/mpeg-L2
      maxInputSize = 4096
      channelCount = 1
      sampleRate = 44100
      language = und
    sample 0:
      time = 22455
      flags = 1
      data = length 1253, hash 727FD1C6
    sample 1:
      time = 48577
      flags = 1
      data = length 1254, hash 73FB07B8
    sample 2:
      time = 74700
      flags = 1
      data = length 1254, hash 73FB07B8
    sample 3:
      time = 100822
      flags = 1
      data = length 1254, hash 73FB07B8
  tracksEnded = true
  