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I've noticed an issue with Remote Buddy, but unfortunately this is going to be vague, and not give much guidance as to where the problem lies.
When I watch fullscreen videos with iTunes or EyeTV and call up the Remote Buddy menu, or an Applescript-derived menu, after doing this a few times the computer will be unable to play fullscreen video in a smooth manner. Video in a window is okay, but when scaled to fullscreen it becomes jerky. The computer appears to work very hard to play the video, as the fan comes on. A reboot will cure this problem, but then after using the menu a few times it recurs.
I'm using a Mac Mini G4 1.25 GHz, 512 MB RAM, 32MB Radeon 9200 graphics.
I don't see this on my dual-core Intel iMac... but maybe it's happening and the iMac is just so fast that I don't notice.
Maybe the combination of fullscreen video and the graphically beautiful RB menu, together, are just too much for this computer's meager system resources? (...or for its meager graphics card?) Or maybe, in that it seems to get progressively worse, there's some kind of bug/memory leak? I checked the activity monitor and nothing seems to be using crazy amounts of memory... but then I can't see the activity monitor when the video is in fullscreen.
I haven't tested enough to determine whether there's a difference in using an Applescript RB menu vs. using the normal RB menu... I understand that they are generated in different ways, so maybe there's a difference. Will advise on that next time I get a chance to fiddle with it.