video screensaver - white is displayed as light grey

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video screensaver - white is displayed as light grey

Postby sebastian_g » Wed May 19, 2010 1:28 pm

Hello,
I have a strange problem with a video as screensaver, maybe some could help me ...
I have set a movie (wmv) with much white in the background as a screensaver.
When the scrennsaver starts a strange thing happens:
The movie is too dark. White is displayed as light grey (235 instead of 255).
How is this possible? I also tested a mpeg file - same result.
Has anyone experienced the same? Any suggestions or even solutions?
I would really appreciate your help. My client needs to have the screensaver in white.
Sebastian
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Re: video screensaver - white is displayed as light grey

Postby Karlis » Sun May 23, 2010 10:58 pm

Hm. Sounds strange. I have never experienced anything like this. Can you test this on some other computer too? I suspect there is some problem with that particular computer.
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Re: video screensaver - white is displayed as light grey

Postby sebastian_g » Fri May 28, 2010 2:30 pm

hi karlis,
I tested on several computers and systems:
windows xp on a mac pro with parallels, the system i work on -> no problem (white is white)
windows xp on an imac with bootcamp -> no problem (white is white)
pc with win xp or vista, my clients system (tested on a few pcs) -> problem (white is grey)
more strange: a friend testet a softwear-demo of another company and had the same problem.
so perhaps it's sothing with the settings of the grafic-card or so but why this effect?
would it help if i send you some files to test an recreate the problem on your own?
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Re: video screensaver - white is displayed as light grey

Postby Karlis » Wed Jun 23, 2010 12:54 am

We can try this, but frankly this is something very rare and specific because we have not had any similar reports from other users, so it is not a very common problem.

The video playback is provided by Windows built-in playback means so we have not even programmed the player, it uses system settings and drivers.
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