Rockbox Development > Feature Ideas

Color calibration for screens

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Chesteta:
Hello; I just received my ColorMunki (http://www.colormunki.com/) spectrophotometer which prompted this posting/idea.  The ColorMunki is basically a device that will automatically calibrate the color on a printer/screen/projector etc. so that the screen is as 'true' in its color rendering as possible.

So I was thinking that it would be great if there were a way to change the 'offset' values for the screens in our devices, a gamma, brightness and contrast of each color channel (RGB) would offer complete control I believe.  When turning on Rockbox on my Sansa (e200v2) I notice that the Rockbox logo is substantially more "orange" than the logo on the website (on my calibrated computer display), presumably people watching video or viewing photos (album art) would want a relatively accurate display of content.

I have no experience programming so I am sorta 'throwing this out there' to see what you all think; I figure that the color rendering across a specific type of device (the e200v2 line for example) would be relatively the same, with a small enough variation in manufacturing that for a music player/picture viewer/video player so with a few users measuring their devices we could have 'profiles' that those without calibrators could use.

Please let me know your thoughts :) Thanks for reading.

AlexP:
Personally I think that building the code into Rockbox to allow the changes as requested would be quite a bit of work for something that is pretty much pointless for the vast majority of people.  However, don't let me stop you :)

Chesteta:
You aren't stopping me, my lack of knowledge about coding is :D thanks for your input/response though

Chronon:
I primarily use my Rockbox players to play music (and occasionally games).  I don't really use them for video very much at all.  Honestly, shifted/distorted color output from my player's LCD doesn't concern me very much. 

It's possible that such adjustments could be done pretty efficiently by sending the right commands to the LCD controller (but this is purely conjecture).

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