TV output properties
keithp at keithp.com
Fri Nov 9 22:29:42 PST 2007
On Fri, 2007-11-09 at 12:20 -0800, Jesse Barnes wrote:
> Since bugs.freedesktop.org seems to be down, I'm sending these patches out for
> testing to the list.
> They add hue, saturation, contrast and brightness properties to the TV output
> and set default values that will hopefully work for people. In order to use
> the new properties though, you'll need the attached patch to xrandr to
> properly display and set 8 bit integer values.
> Please test it out and let me know if it works for you.
> How to expose the various properties is still up in the air, right now they're
> just exposed as 8 bit values, since that's what goes into the actual color
> knob register, but they could be exposed in a friendlier way (e.g. hue as
> 0-360 degrees value, saturation and contrast as 2.6 fixed point values),
> though that probably wouldn't make much difference to the user experience.
> Any opinions? Is that best left to fancy GUI applications?
Any reason not to expose these as 32-bit values instead? We support
range limited 32-bit values, and this might reduce compatibility issues
with hardware that needs more bits.
keith.packard at intel.com
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