1ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     -1 size:317075
2ret:-EINVAL    st:-1 flags:0  ts:-1.000000
3ret:-EINVAL    st:-1 flags:1  ts: 1.894167
4ret:-EINVAL    st: 0 flags:0  ts: 0.800000
5ret:-EINVAL    st: 0 flags:1  ts:-0.320000
6ret:-EINVAL    st:-1 flags:0  ts: 2.576668
7ret:-EINVAL    st:-1 flags:1  ts: 1.470835
8ret:-EINVAL    st: 0 flags:0  ts: 0.360000
9ret:-EINVAL    st: 0 flags:1  ts:-0.760000
10ret:-EINVAL    st:-1 flags:0  ts: 2.153336
11ret:-EINVAL    st:-1 flags:1  ts: 1.047503
12ret:-EINVAL    st: 0 flags:0  ts:-0.040000
13ret:-EINVAL    st: 0 flags:1  ts: 2.840000
14ret:-EINVAL    st:-1 flags:0  ts: 1.730004
15ret:-EINVAL    st:-1 flags:1  ts: 0.624171
16ret:-EINVAL    st: 0 flags:0  ts:-0.480000
17ret:-EINVAL    st: 0 flags:1  ts: 2.400000
18ret:-EINVAL    st:-1 flags:0  ts: 1.306672
19ret:-EINVAL    st:-1 flags:1  ts: 0.200839
20ret:-EINVAL    st: 0 flags:0  ts:-0.920000
21ret:-EINVAL    st: 0 flags:1  ts: 2.000000
22ret:-EINVAL    st:-1 flags:0  ts: 0.883340
23ret:-EINVAL    st:-1 flags:1  ts:-0.222493
24ret:-EINVAL    st: 0 flags:0  ts: 2.680000
25ret:-EINVAL    st: 0 flags:1  ts: 1.560000
26ret:-EINVAL    st:-1 flags:0  ts: 0.460008
27ret:-EINVAL    st:-1 flags:1  ts:-0.645825
28