1ret: 0 st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos: -1 size: 4096 2ret:-1 st:-1 flags:0 ts:-1.000000 3ret:-1 st:-1 flags:1 ts: 1.894167 4ret:-1 st: 0 flags:0 ts: 0.788345 5ret:-1 st: 0 flags:1 ts:-0.317506 6ret:-1 st:-1 flags:0 ts: 2.576668 7ret:-1 st:-1 flags:1 ts: 1.470835 8ret:-1 st: 0 flags:0 ts: 0.365011 9ret:-1 st: 0 flags:1 ts:-0.740839 10ret:-1 st:-1 flags:0 ts: 2.153336 11ret:-1 st:-1 flags:1 ts: 1.047503 12ret:-1 st: 0 flags:0 ts:-0.058322 13ret:-1 st: 0 flags:1 ts: 2.835828 14ret:-1 st:-1 flags:0 ts: 1.730004 15ret:-1 st:-1 flags:1 ts: 0.624171 16ret:-1 st: 0 flags:0 ts:-0.481655 17ret:-1 st: 0 flags:1 ts: 2.412494 18ret:-1 st:-1 flags:0 ts: 1.306672 19ret:-1 st:-1 flags:1 ts: 0.200839 20ret:-1 st: 0 flags:0 ts:-0.904989 21ret:-1 st: 0 flags:1 ts: 1.989184 22ret:-1 st:-1 flags:0 ts: 0.883340 23ret:-1 st:-1 flags:1 ts:-0.222493 24ret:-1 st: 0 flags:0 ts: 2.671678 25ret:-1 st: 0 flags:1 ts: 1.565850 26ret:-1 st:-1 flags:0 ts: 0.460008 27ret:-1 st:-1 flags:1 ts:-0.645825 28