[vlc] Color Management in VLC Player?
mail at felixdames.de
mail at felixdames.de
Sat Jul 25 05:10:10 CEST 2009
Hi,
my name is Felix Dames.
I just want to inform you about the lack of media players supporting colormanagement!
Even Windows Media Player and Quicktime are still not yet colormanaged applications shortly saying there is no single media player out there supporting it including VLC.
But with the upcoming wide gamut displays which colorspace is a lot more than sRGB, videos looks a lot over saturated.
At the moment the situation is really bad and a lot of people all over the world complain about the problem with inaccurate colors in color aware applications.
The problem is that even windows 7 has no fix for these applications and espacially the media players don't support it.
At the moment the only solution to view the right colors of a video file (on a wide gamut display) is to use Adobe After Effects which is colormanaged. Even Adobe Premiere is not colormanaged!
These wide gamut displays have a colorspace similar to AdobeRGB which is much bigger than the standard sRGB colorspace.
The way it works in Adobe applications like Photoshop or AfterEffects is that the application request from the OS which colorspace / .icc profile the display is using (on a wide gamut display it's mostly AdobeRGB)
and because of nearly every video or movie file is in sRGB colorspace the application can then perform a conversion from sRGB to AdobeRGB.
Then the application just send as normal the RGB values to the graphic card but these RGB values correspond now to the bigger wide gamut colorspace and thats why the colors are showen correctly on the display.
I don't know on what features you are coding at the moment but I think colormanagement is one of the very importend one.
So I would love to see a colormanaged VLC Player in the near future because you would be the first who have implemented it!
So please think about it!
A good movie but with wrong colors is maby no good movie ;)
I'm not a coder but I read something about an API from Micosoft for colormanagement so maby it is not that hard to implement it.
If you are unshure about how importend this feature is then please took the time and google a bit about this problem and you will find tons of forums with users complaining about it.
Thank for reading up to here ;)
best regards
____________________
Felix Dames
Digital Postproduction
Eberswalder Str. 16
10437 Berlin
mail at felixdames.de
http://www.felixdames.de
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