1seekMap:
2  isSeekable = true
3  duration = 796888
4  getPosition(0) = [[timeUs=0, position=0]]
5  getPosition(1) = [[timeUs=1, position=0]]
6  getPosition(398444) = [[timeUs=398444, position=13385]]
7  getPosition(796888) = [[timeUs=796888, position=26959]]
8numberOfTracks = 1
9track 1900:
10  total output bytes = 0
11  sample count = 0
12  format 0:
13    id = 1/1900
14    sampleMimeType = audio/ac4
15    channelCount = 2
16    sampleRate = 48000
17tracksEnded = true
18