Have you tried switching using a hradio, like in the help file?

I didn't notice the attached patch until now. Much more compact and elegant than the metro solution I tried (although that may have the benefit of messing with frame rates). It works deliciously. Thanks!

Thanks, I'll try that.

Rather than starting a new thread, I'll post this here.
It would appear that on pd-extended for Debian Squeeze as well as Ubuntu Lucid, Gem won't loop videos. After playing once, a white square appears, just like the OP mentioned.

It doesn't really matter what type of video- mjpeg avi or mov, mp1, 2 or 4, dv, big, small, whatever, nothing will loop. The weird thing is that it used to work on the same hardware on older versions of the OSses.

Here's the patch. It's the bog standard pix_film patch.

The vj-mixer won't work at all, by the way. It dies the moment the fader is moved.

http://www.pdpatchrepo.info/hurleur/gembasic.pd