ret: 0         st: 0 flags:1 dts: 0.000000 pts: NOPTS    pos:   6144 size: 24801
ret: 0         st:-1 flags:0  ts:-1.000000
ret: 0         st: 0 flags:1 dts: 0.000000 pts: NOPTS    pos:   6144 size: 24801
ret: 0         st:-1 flags:1  ts: 1.894167
ret:-1
ret: 0         st: 0 flags:0  ts: 0.800000
ret:-1
ret: 0         st: 0 flags:1  ts:-0.320000
ret: 0         st: 0 flags:1 dts: 0.000000 pts: NOPTS    pos:   6144 size: 24801
ret: 0         st: 1 flags:0  ts: 2.560000
ret:-1
ret: 0         st: 1 flags:1  ts: 1.480000
ret:-1
ret: 0         st:-1 flags:0  ts: 0.365002
ret: 0         st: 0 flags:1 dts: 0.360000 pts: NOPTS    pos:   6144 size: 24801
ret: 0         st:-1 flags:1  ts:-0.740831
ret: 0         st: 0 flags:1 dts: 0.000000 pts: NOPTS    pos:   6144 size: 24801
ret: 0         st: 0 flags:0  ts: 2.160000
ret:-1
ret: 0         st: 0 flags:1  ts: 1.040000
ret:-1
ret: 0         st: 1 flags:0  ts:-0.040000
ret: 0         st: 0 flags:1 dts: 0.000000 pts: NOPTS    pos:   6144 size: 24801
ret: 0         st: 1 flags:1  ts: 2.840000
ret:-1
ret: 0         st:-1 flags:0  ts: 1.730004
ret:-1
ret: 0         st:-1 flags:1  ts: 0.624171
ret:-1
ret: 0         st: 0 flags:0  ts:-0.480000
ret: 0         st: 0 flags:1 dts: 0.000000 pts: NOPTS    pos:   6144 size: 24801
ret: 0         st: 0 flags:1  ts: 2.400000
ret:-1
ret: 0         st: 1 flags:0  ts: 1.320000
ret:-1
ret: 0         st: 1 flags:1  ts: 0.200000
ret: 0         st: 0 flags:1 dts: 0.200000 pts: NOPTS    pos:   6144 size: 24801
ret: 0         st:-1 flags:0  ts:-0.904994
ret: 0         st: 0 flags:1 dts: 0.000000 pts: NOPTS    pos:   6144 size: 24801
ret: 0         st:-1 flags:1  ts: 1.989173
ret:-1
ret: 0         st: 0 flags:0  ts: 0.880000
ret:-1
ret: 0         st: 0 flags:1  ts:-0.240000
ret: 0         st: 0 flags:1 dts: 0.000000 pts: NOPTS    pos:   6144 size: 24801
ret: 0         st: 1 flags:0  ts: 2.680000
ret:-1
ret: 0         st: 1 flags:1  ts: 1.560000
ret:-1
ret: 0         st:-1 flags:0  ts: 0.460008
ret: 0         st: 0 flags:1 dts: 0.480000 pts: NOPTS    pos:   6144 size: 24801
ret: 0         st:-1 flags:1  ts:-0.645825
ret: 0         st: 0 flags:1 dts: 0.000000 pts: NOPTS    pos:   6144 size: 24801