OpenELEC Testbuilds for RaspberryPi Part 2
(2014-03-31, 16:40)ajp2k14 Wrote: Is something like lanczos/spline/catmull-rom possible or are they completely different algorithms?
I think for catmull-rom you want something like:
Code:
vcgencmd scaling_kernel    0 -4 -8 -14 -18,-19,-16 -8  9 39 77 122 166 206 237 255
255 237 206 166 122  77  39   9  -8 -16 -19 -18 -14  -8  -4   0
But it's probably got too much overshoot. These kernels are operating on the [4:2:0] output of the codecs, which is encoded with gamma. So the effect is exaggerated in linear light on the monitor.
Kernels with nice mathematical or signal-processing properties don't always look best.


Messages In This Thread
RE: OpenELEC Testbuilds for RaspberryPi Part 2 - by MonsterCross - 2014-03-31, 18:56
AW: RE: - by DieterLumpen - 2013-07-29, 20:50
include guires switch? - by hpbaxxter - 2013-08-01, 21:46
RE: dual audio?? - by pootler - 2013-08-03, 17:13
Help, watch 3D Film on Non 3D TV - by unix72 - 2013-08-09, 12:39
Remote Controllers - by tfft - 2013-08-14, 09:11
rbej repeatable crash - by RichG - 2013-08-19, 12:43
New Tester - by theneverstill - 2013-10-03, 17:16