start_frame,end_frame,start_time,end_time,label,duration
0.0,0.25,17:44:17.000,17:44:17.250,0,0.25
0.25,29.875,17:44:17.250,17:44:46.875,1,29.625
29.875,32.375,17:44:46.875,17:44:49.375,0,2.5
32.375,394.0,17:44:49.375,17:50:51.000,1,361.625