ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:      0 size: 81501
ret: 0         st:-1 flags:0  ts:-1.000000
ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:      0 size: 81501
ret: 0         st:-1 flags:1  ts: 1.894167
ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:      0 size: 81501
ret:-1         st: 0 flags:0  ts: 0.790000
ret:-1         st: 0 flags:1  ts:-0.320000
ret:-1         st:-1 flags:0  ts: 2.576668
ret: 0         st:-1 flags:1  ts: 1.470835
ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:      0 size: 81501
ret:-1         st: 0 flags:0  ts: 0.370000
ret:-1         st: 0 flags:1  ts:-0.740000
ret:-1         st:-1 flags:0  ts: 2.153336
ret: 0         st:-1 flags:1  ts: 1.047503
ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:      0 size: 81501
ret: 0         st: 0 flags:0  ts:-0.060000
ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:      0 size: 81501
ret: 0         st: 0 flags:1  ts: 2.840000
ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:      0 size: 81501
ret:-1         st:-1 flags:0  ts: 1.730004
ret: 0         st:-1 flags:1  ts: 0.624171
ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:      0 size: 81501
ret: 0         st: 0 flags:0  ts:-0.480000
ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:      0 size: 81501
ret: 0         st: 0 flags:1  ts: 2.410000
ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:      0 size: 81501
ret:-1         st:-1 flags:0  ts: 1.306672
ret: 0         st:-1 flags:1  ts: 0.200839
ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:      0 size: 81501
ret: 0         st: 0 flags:0  ts:-0.900000
ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:      0 size: 81501
ret: 0         st: 0 flags:1  ts: 1.990000
ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:      0 size: 81501
ret:-1         st:-1 flags:0  ts: 0.883340
ret:-1         st:-1 flags:1  ts:-0.222493
ret:-1         st: 0 flags:0  ts: 2.670000
ret: 0         st: 0 flags:1  ts: 1.570000
ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:      0 size: 81501
ret:-1         st:-1 flags:0  ts: 0.460008
ret:-1         st:-1 flags:1  ts:-0.645825