ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  4096
ret: 0         st:-1 flags:0  ts:-1.000000
ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  4096
ret: 0         st:-1 flags:1  ts: 1.894167
ret: 0         st: 0 flags:1 dts: 1.856009 pts: 1.856009 pos:  29754 size:  4096
ret: 0         st: 0 flags:0  ts: 0.788345
ret: 0         st: 0 flags:1 dts: 0.831995 pts: 0.831995 pos:  13370 size:  4096
ret: 0         st: 0 flags:1  ts:-0.317506
ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  4096
ret: 0         st:-1 flags:0  ts: 2.576668
ret: 0         st: 0 flags:1 dts: 2.623991 pts: 2.623991 pos:  42042 size:  4096
ret: 0         st:-1 flags:1  ts: 1.470835
ret: 0         st: 0 flags:1 dts: 1.408005 pts: 1.408005 pos:  22586 size:  4096
ret: 0         st: 0 flags:0  ts: 0.365011
ret: 0         st: 0 flags:1 dts: 0.383991 pts: 0.383991 pos:   6202 size:  4096
ret: 0         st: 0 flags:1  ts:-0.740839
ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  4096
ret: 0         st:-1 flags:0  ts: 2.153336
ret: 0         st: 0 flags:1 dts: 2.176009 pts: 2.176009 pos:  34874 size:  4096
ret: 0         st:-1 flags:1  ts: 1.047503
ret: 0         st: 0 flags:1 dts: 1.023991 pts: 1.023991 pos:  16442 size:  4096
ret: 0         st: 0 flags:0  ts:-0.058322
ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  4096
ret: 0         st: 0 flags:1  ts: 2.835828
ret: 0         st: 0 flags:1 dts: 2.816009 pts: 2.816009 pos:  45114 size:  4096
ret: 0         st:-1 flags:0  ts: 1.730004
ret: 0         st: 0 flags:1 dts: 1.791995 pts: 1.791995 pos:  28730 size:  4096
ret: 0         st:-1 flags:1  ts: 0.624171
ret: 0         st: 0 flags:1 dts: 0.576009 pts: 0.576009 pos:   9274 size:  4096
ret: 0         st: 0 flags:0  ts:-0.481655
ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  4096
ret: 0         st: 0 flags:1  ts: 2.412494
ret: 0         st: 0 flags:1 dts: 2.368005 pts: 2.368005 pos:  37946 size:  4096
ret: 0         st:-1 flags:0  ts: 1.306672
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ret: 0         st:-1 flags:1  ts: 0.200839
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ret: 0         st: 0 flags:0  ts:-0.904989
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ret: 0         st: 0 flags:1  ts: 1.989184
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ret: 0         st:-1 flags:0  ts: 0.883340
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ret: 0         st:-1 flags:1  ts:-0.222493
ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  4096
ret: 0         st: 0 flags:0  ts: 2.671678
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ret: 0         st: 0 flags:1  ts: 1.565850
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ret: 0         st:-1 flags:0  ts: 0.460008
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ret: 0         st:-1 flags:1  ts:-0.645825
ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     58 size:  4096