2014-04-01, 15:05
(2014-04-01, 14:44)DBMandrake Wrote: Can I confirm that these options are also intended for downscaling as well as upscaling ? For example if I play back 1080p content on a 1680x1050 screen.
I can definitely see a difference between them in that situation although I'm not sure which one I prefer yet...
BTW, only 7 of the 9 "kernels" seems to be working, if I adjust sharpness 8 clicks to the right from zero (or any number greater than 8) it seems to switch to scaling with no anti-aliasing. (All options from 8 onwards look the same and very pixellated)
Yes, the kernel is still used for small downscales. I think when the downscale approached a factor of 2 (I think it is 0.55) it switches to a downscaling trapezoidal filter.
I listed the kernels in an earlier post. 0 is the default (still a scaling kernel), up to 8 for nearest neighbour (and that is repeated for higher values).
That is 9 different kernels. I think there's been another 3 posted that you can manually select (with a vcgencmd).