1seekMap:
2  isSeekable = true
3  duration = 3380000
4  getPosition(0) = [[timeUs=0, position=9]]
5  getPosition(1) = [[timeUs=0, position=9], [timeUs=20000, position=33]]
6  getPosition(1690000) = [[timeUs=1680000, position=2025], [timeUs=1700000, position=2049]]
7  getPosition(3380000) = [[timeUs=3360000, position=4041]]
8numberOfTracks = 1
9track 0:
10  total output bytes = 24
11  sample count = 1
12  format 0:
13    sampleMimeType = audio/amr-wb
14    maxInputSize = 61
15    channelCount = 1
16    sampleRate = 16000
17  sample 0:
18    time = 3360000
19    flags = 1
20    data = length 24, hash 772665A0
21tracksEnded = true
22