> Originally I was running this command:- > > Code: ffmpeg -i full.mp4 -ss 3 -t 2 -vcodec copy -acodec copy cut.mp4 $ ffmpeg -i sintel.mpg -ss 3 -t 2 -vcodec copy -acodec copy cut.mp4 works for me here. When you do $ ffprobe -show_packets full.mp4 what is an example output? -r