1#extradata 0:        2, 0x0030001c
2#tb 0: 1/1000
3#media_type 0: audio
4#codec_id 0: aac
5#sample_rate 0: 16000
6#channel_layout_name 0: mono
70,          0,          0,       64,      156, 0x867d4f3a
80,         64,         64,       64,      201, 0x62745ff9
90,        128,        128,       64,      137, 0x90c639e0
10