Gus Wirth wrote: > James G. Sack (jim) wrote: >> Gus Wirth wrote: >>> .. >>> Is there any particular reason you have to dump the whole movie as jpeg >>> files? You could instead just take snapshots at appropriate points. Run >>> mplayer like this: >>> >>> $ mplayer -vf snapshot -dvd-device /dev/dvd dvd://1 >>> >>> Every time you press the s key you will get a PNG snapshot. From there >>> you can convert the PNG image to whatever you want. >>> >> Gus, maybe you have a suggestion for a side-question I think I remember >> seeing: >> >> Q: How would you dump just 50 frames starting at frame 1234? > > At that point I would probable use either mencoder (part of the mplayer > package) or transcode. I might also try using the above command but use > S instead of s. Pressing S causes mplayer to take a continuous series of > snapshots until you hit it again.
OK, thanks. Maybe these little Q&A would make a nice wiki page? Maybe some will be covered in next week's presentations? Maybe it's ammunition for another presentation? or several mini-Presentations? Regards, ..jim -- [email protected] http://www.kernel-panic.org/cgi-bin/mailman/listinfo/kplug-list
