-endpos is mencoder-only.

ah, that explains what I was doing wrong. I've uploaded samurix_detc.avi (and samurix_detc.txt) to mphq. The command line I used is: mencoder -vop detc -ss 10 -endpos 10 -ovc copy -nosound \ -dvd 1 -o samurix_detc.avi I think that 10s segment captures some good examples.

Rich

-- robh