ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:    271 size:   556
ret: 0         st:-1 flags:0  ts:-1.000000
ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:    271 size:   556
ret:-1         st:-1 flags:1  ts: 1.894167
ret:-1         st: 0 flags:0  ts: 0.788000
ret: 0         st: 0 flags:1  ts:-0.317000
ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:    271 size:   556
ret: 0         st:-1 flags:0  ts: 2.576668
ret: 0         st: 0 flags:1 dts: 2.577000 pts: 2.577000 pos:  42397 size:   558
ret:-1         st:-1 flags:1  ts: 1.470835
ret:-1         st: 0 flags:0  ts: 0.365000
ret: 0         st: 0 flags:1  ts:-0.741000
ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:    271 size:   556
ret: 0         st:-1 flags:0  ts: 2.153336
ret: 0         st: 0 flags:1 dts: 2.159000 pts: 2.159000 pos:  35567 size:   556
ret:-1         st:-1 flags:1  ts: 1.047503
ret: 0         st: 0 flags:0  ts:-0.058000
ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:    271 size:   556
ret:-1         st: 0 flags:1  ts: 2.836000
ret:-1         st:-1 flags:0  ts: 1.730004
ret:-1         st:-1 flags:1  ts: 0.624171
ret: 0         st: 0 flags:0  ts:-0.482000
ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:    271 size:   556
ret: 0         st: 0 flags:1  ts: 2.413000
ret: 0         st: 0 flags:1 dts: 2.368000 pts: 2.368000 pos:  38981 size:   558
ret:-1         st:-1 flags:0  ts: 1.306672
ret:-1         st:-1 flags:1  ts: 0.200839
ret: 0         st: 0 flags:0  ts:-0.905000
ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:    271 size:   556
ret:-1         st: 0 flags:1  ts: 1.989000
ret:-1         st:-1 flags:0  ts: 0.883340
ret: 0         st:-1 flags:1  ts:-0.222493
ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:    271 size:   556
ret: 0         st: 0 flags:0  ts: 2.672000
ret: 0         st: 0 flags:1 dts: 2.821000 pts: 2.821000 pos:  46383 size:   556
ret:-1         st: 0 flags:1  ts: 1.566000
ret:-1         st:-1 flags:0  ts: 0.460008
ret: 0         st:-1 flags:1  ts:-0.645825
ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:    271 size:   556