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I'm using mplayer to view videos. When I try to change the brightness, I get a message: Video attribute 'brightness' is not supported by selected vo & vd. 0 0%
I have a Riva TNT2 Nvidia graphics card
This happened after I upgraded to slackware 10. I have edited the xorg.conf file to use "nv" driver.
When I use xgamma to change the brightness, it works. I have also downloaded the Nvidia drivers from their website. But when I use that driver, I can only change the brightness of the desktop, the video remains unaffected.
So, my question is:
How can I change the brightness in mplayer itself (not using xgamma but using the "3 & 4" keys)
I believe this is a feature of particular video-output drivers from within mplayer. If you go to Preferences, Video, within mplayer (from gmplayer, right-click on the video window) and choose a different video-out driver, it should work. I use "XV" with no problems.
Yes, Megaman X, I can use xgamma. But that becomes really inconvenient at times. If I want to change the brightness when I'm watching a movie, then I have to pause it, and open a terminal, and then use xgamma. I want to set brightness using mplayer itself. I could do this earlier, in Slack 9.1.