> On Apr 24, 2014, at 5:34 PM, Rick Mann <rm...@latencyzero.com> wrote: > > >> On Apr 24, 2014, at 14:10 , William Squires <wsqui...@satx.rr.com> wrote: >> >> iii) Averages all the pixels to come up with a (rough) gauge of ambient >> light level (as an unsigned byte) - preferably by using the graphics >> coprocessor to unload the task from the main CPU! > > Might be hard; I suspect the camera's auto aperture will affect your > measurements. I don't know if it can be disabled or controlled
Better would be to just read the current aperture setting if there's a way to get it. Since it's already auto-calibrated that should approximate the light level. -Noah _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
