#extradata 0:        2, 0x0030001c
#tb 0: 1/1000
#media_type 0: audio
#codec_id 0: aac
#sample_rate 0: 16000
#channel_layout 0: 4
#channel_layout_name 0: mono
0,          0,          0,       64,      156, 0x867d4f3a
0,         64,         64,       64,      201, 0x62745ff9
0,        128,        128,       64,      137, 0x90c639e0