seekMap:
  isSeekable = true
  duration = 4360000
  getPosition(0) = [[timeUs=0, position=6]]
numberOfTracks = 1
track 0:
  format:
    bitrate = -1
    id = null
    containerMimeType = null
    sampleMimeType = audio/3gpp
    maxInputSize = 61
    width = -1
    height = -1
    frameRate = -1.0
    rotationDegrees = 0
    pixelWidthHeightRatio = 1.0
    channelCount = 1
    sampleRate = 8000
    pcmEncoding = -1
    encoderDelay = 0
    encoderPadding = 0
    subsampleOffsetUs = 9223372036854775807
    selectionFlags = 0
    language = null
    drmInitData = -
    initializationData:
  total output bytes = 13
  sample count = 1
  sample 0:
    time = 4340000
    flags = 1
    data = length 13, hash AC59BA7C
tracksEnded = true
