hah! I've figured out the cause. iTunes doesn't seem to like 32bit color depth. Drop the screen to 16bit and iTunes uses < 10% cpu to display the same video.
On 7/10/07, Jim Davis <[EMAIL PROTECTED]> wrote: > > -----Original Message----- > > From: Zaphod Beeblebrox [mailto:[EMAIL PROTECTED] > > Sent: Tuesday, July 10, 2007 12:31 PM > > To: CF-Community > > Subject: iTunes anomaly > > > > I've started watching video podcasts through iTunes since, sadly, all > > I have is a 4th gen iPod. Interestingly enough, video through iTunes > > shoots the cpu to 100% and the framerate sucks. But if I open the > > same file in quicktime, my cpu stays under 20% and I have a good > > framerate. Very confusing since I thought that iTunes uses quicktime > > to playback everything. > > Well... despite the obvious (iTunes sucks!) do you know if, perhaps, when > the CPU spikes you're actually streaming the video instead of just playing > it? That might account for a difference. > > Probably doesn't apply, but do you have dual monitors by any chance? In > some cases a program that's (even a little bit) crossing across the dual > monitors can send the CPU sky high when playing video... although in my > experience this has only been for video overlay (as from a TV card) and only > with very dated dual monitor cards (where only one of the outputs actually > supported overlay). > > Jim Davis > > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Enterprise web applications, build robust, secure scalable apps today - Try it now ColdFusion Today ColdFusion 8 beta - Build next generation apps Archive: http://www.houseoffusion.com/groups/CF-Community/message.cfm/messageid:239242 Subscription: http://www.houseoffusion.com/groups/CF-Community/subscribe.cfm Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=11502.10531.5
