seekMap:
  isSeekable = false
  duration = 1000
  getPosition(0) = [[timeUs=0, position=0]]
numberOfTracks = 1
track 1:
  format:
    bitrate = -1
    id = 1
    containerMimeType = null
    sampleMimeType = video/x-vnd.on2.vp9
    maxInputSize = -1
    width = 360
    height = 240
    frameRate = -1.0
    rotationDegrees = 0
    pixelWidthHeightRatio = 1.0
    channelCount = -1
    sampleRate = -1
    pcmEncoding = -1
    encoderDelay = 0
    encoderPadding = 0
    subsampleOffsetUs = 9223372036854775807
    selectionFlags = 0
    language = null
    drmInitData = 1305012705
    initializationData:
  total output bytes = 39
  sample count = 1
  sample 0:
    time = 0
    flags = 1073741824
    data = length 39, hash B7FE77F4
    crypto mode = 1
    encryption key = length 16, hash 4CE944CF
tracksEnded = true
