ret: 0         st: 0 flags:1 dts:-0.040000 pts:-0.040000 pos:   2144 size: 24801
ret: 0         st:-1 flags:0  ts:-1.000000
ret: 0         st: 0 flags:1 dts: NOPTS    pts: 0.000000 pos:   2144 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: 0.783674 pts: 0.783674 pos: 321176 size:   209
ret: 0         st: 0 flags:1  ts:-0.317499
ret: 0         st: 0 flags:1 dts: NOPTS    pts: 0.000000 pos:   2144 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: 0.365714 pts: 0.365714 pos: 167160 size:   209
ret: 0         st:-1 flags:1  ts:-0.740831
ret: 0         st: 0 flags:1 dts: NOPTS    pts: 0.000000 pos:   2144 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:   2144 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: 0.600816 pts: 0.600816 pos: 266240 size:   209
ret: 0         st: 0 flags:0  ts:-0.481662
ret: 0         st: 0 flags:1 dts: NOPTS    pts: 0.000000 pos:   2144 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: 113304 size:   209
ret: 0         st:-1 flags:0  ts:-0.904994
ret: 0         st: 0 flags:1 dts: NOPTS    pts: 0.000000 pos:   2144 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: 0.888163 pts: 0.888163 pos: 357608 size:   209
ret: 0         st: 0 flags:1  ts:-0.222493
ret: 0         st: 0 flags:1 dts: NOPTS    pts: 0.000000 pos:   2144 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: 0.444082 pts: 0.444082 pos: 205440 size:   209
ret: 0         st:-1 flags:1  ts:-0.645825
ret: 0         st: 0 flags:1 dts: NOPTS    pts: 0.000000 pos:   2144 size: 24801