Are there any apps that do this under Linux?
I was hoping the latest mplayer / mencoder package would do it? Maybe it does, my command line isn't that strong.
H.264 is a new method of encoding video with basically gives you a much higher image quality at teh same bitrate.
you can see ultimate salesman Steve Jobs talking a bit about here:
http://www.apple.com/macosx/tiger/quicktime.html