1 ret: 0 st: 0 flags:0 dts: 0.000000 pts: 0.000000 pos: 55 size: 31074
2 ret:-1 st:-1 flags:0 ts:-1.000000
3 ret:-1 st:-1 flags:1 ts: 1.894167
4 ret:-1 st: 0 flags:0 ts: 0.800000
5 ret:-1 st: 0 flags:1 ts:-0.320000
6 ret:-1 st:-1 flags:0 ts: 2.576668
7 ret:-1 st:-1 flags:1 ts: 1.470835
8 ret:-1 st: 0 flags:0 ts: 0.360000
9 ret:-1 st: 0 flags:1 ts:-0.760000
10 ret:-1 st:-1 flags:0 ts: 2.153336
11 ret:-1 st:-1 flags:1 ts: 1.047503
12 ret:-1 st: 0 flags:0 ts:-0.040000
13 ret:-1 st: 0 flags:1 ts: 2.840000
14 ret:-1 st:-1 flags:0 ts: 1.730004
15 ret:-1 st:-1 flags:1 ts: 0.624171
16 ret:-1 st: 0 flags:0 ts:-0.480000
17 ret:-1 st: 0 flags:1 ts: 2.400000
18 ret:-1 st:-1 flags:0 ts: 1.306672
19 ret:-1 st:-1 flags:1 ts: 0.200839
20 ret:-1 st: 0 flags:0 ts:-0.920000
21 ret:-1 st: 0 flags:1 ts: 2.000000
22 ret:-1 st:-1 flags:0 ts: 0.883340
23 ret:-1 st:-1 flags:1 ts:-0.222493
24 ret:-1 st: 0 flags:0 ts: 2.680000
25 ret:-1 st: 0 flags:1 ts: 1.560000
26 ret:-1 st:-1 flags:0 ts: 0.460008
27 ret:-1 st:-1 flags:1 ts:-0.645825