Álvaro Ramírez
Trimming videos with ffmpeg
Via Bernd Verst's Trim Videos Instantly:
Start time + duration
ffmpeg -ss hh:mm:ss.msec -i in.mpeg -c copy -map 0 -t hh:mm:ss.msec out.mpeg
Start time + end time
ffmpeg -ss hh:mm:ss.msec -i in.mpeg -c copy -map 0 -to hh:mm:ss.msec out.mpeg