![]() I've also tried different codes (h.264, jpeg, mpeg-4, etc) but nothing appears to drop the CPU usage. I tried halving the movie resolution again, down to a very pixelated 384 x 240, but it still uses too much CPU. ![]() Running a screensaver containing static images uses significantly less CPU (anywhere between 12 - 30%). However the same movie running full screen it Quicktime only uses 12 - 15% CPU resource. I've noticed, that running a screensaver built with iScreensaver, containing nothing more than a 6mb h.264 quicktime movie uses upto (and over) 100% CPU. Unfortunately they have also rejected the lower res version on the same grounds (excessive CPU usage) so have been trying a few things here on my mac. There's a big loss in quality but it would be acceptable. The screen saver I originally created was at 1600 x 1000 pixels 24fps.ĭeciding that it was possibly too large I've been experimenting and reduced the size to 768 x 480 with the video set to crop. However their IT dept has rejected the screen saver on the grounds that it's too resource heavy. Purchased iScreensaver Pro a couple of days ago as my client required a short 30sec movie to be turned into a screen saver for both their mac and PCs.
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