ret: 0         st: 0 flags:1 dts:-0.040000 pts:-0.040000 pos:   2072 size: 24801
ret: 0         st:-1 flags:0  ts:-1.000000
ret: 0         st: 0 flags:1 dts: NOPTS    pts: 0.000000 pos:   2072 size: 24801
ret:-1         st:-1 flags:1  ts: 1.894167
ret: 0         st: 0 flags:0  ts: 0.788334
ret: 0         st: 1 flags:1 dts: 0.766258 pts: 0.766258 pos: 319832 size:   280
ret: 0         st: 0 flags:1  ts:-0.317499
ret: 0         st: 0 flags:1 dts: NOPTS    pts: 0.000000 pos:   2072 size: 24801
ret:-1         st: 1 flags:0  ts: 2.576668
ret:-1         st: 1 flags:1  ts: 1.470835
ret: 0         st:-1 flags:0  ts: 0.365002
ret: 0         st: 1 flags:1 dts: 0.383129 pts: 0.383129 pos: 166792 size:   278
ret: 0         st:-1 flags:1  ts:-0.740831
ret: 0         st: 0 flags:1 dts: NOPTS    pts: 0.000000 pos:   2072 size: 24801
ret:-1         st: 0 flags:0  ts: 2.153336
ret:-1         st: 0 flags:1  ts: 1.047503
ret: 0         st: 1 flags:0  ts:-0.058330
ret: 0         st: 0 flags:1 dts: NOPTS    pts: 0.000000 pos:   2072 size: 24801
ret:-1         st: 1 flags:1  ts: 2.835837
ret:-1         st:-1 flags:0  ts: 1.730004
ret: 0         st:-1 flags:1  ts: 0.624171
ret: 0         st: 1 flags:1 dts: 0.626939 pts: 0.626939 pos: 265648 size:   278
ret: 0         st: 0 flags:0  ts:-0.481662
ret: 0         st: 0 flags:1 dts: NOPTS    pts: 0.000000 pos:   2072 size: 24801
ret:-1         st: 0 flags:1  ts: 2.412505
ret:-1         st: 1 flags:0  ts: 1.306672
ret: 0         st: 1 flags:1  ts: 0.200839
ret: 0         st: 1 flags:1 dts: 0.208980 pts: 0.208980 pos: 112952 size:   278
ret: 0         st:-1 flags:0  ts:-0.904994
ret: 0         st: 0 flags:1 dts: NOPTS    pts: 0.000000 pos:   2072 size: 24801
ret:-1         st:-1 flags:1  ts: 1.989173
ret: 0         st: 0 flags:0  ts: 0.883340
ret: 0         st: 1 flags:1 dts: 0.905578 pts: 0.905578 pos: 356520 size:   280
ret: 0         st: 0 flags:1  ts:-0.222493
ret: 0         st: 0 flags:1 dts: NOPTS    pts: 0.000000 pos:   2072 size: 24801
ret:-1         st: 1 flags:0  ts: 2.671674
ret:-1         st: 1 flags:1  ts: 1.565841
ret: 0         st:-1 flags:0  ts: 0.460008
ret: 0         st: 1 flags:1 dts: 0.452789 pts: 0.452789 pos: 204864 size:   280
ret: 0         st:-1 flags:1  ts:-0.645825
ret: 0         st: 0 flags:1 dts: NOPTS    pts: 0.000000 pos:   2072 size: 24801