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ret: 0         st:-1 flags:0  ts:-1.000000
ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     72 size:    68
ret: 0         st:-1 flags:1  ts: 1.894167
ret: 0         st: 0 flags:1 dts: 1.894059 pts: 1.894059 pos:  88812 size:    68
ret: 0         st: 0 flags:0  ts: 0.788345
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ret: 0         st: 0 flags:1  ts:-0.317506
ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     72 size:    68
ret: 0         st:-1 flags:0  ts: 2.576668
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ret: 0         st:-1 flags:1  ts: 1.470835
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ret: 0         st: 0 flags:0  ts: 0.365011
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ret: 0         st: 0 flags:1  ts:-0.740839
ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     72 size:    68
ret: 0         st:-1 flags:0  ts: 2.153336
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ret: 0         st:-1 flags:1  ts: 1.047503
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ret: 0         st: 0 flags:0  ts:-0.058322
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ret: 0         st: 0 flags:1  ts: 2.835828
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ret: 0         st:-1 flags:0  ts: 1.730004
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ret: 0         st:-1 flags:1  ts: 0.624171
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ret: 0         st: 0 flags:0  ts:-0.481655
ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:     72 size:    68
ret: 0         st: 0 flags:1  ts: 2.412494
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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:     72 size:    68
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:     72 size:    68