I just upgraded from ubutnu 9.04 to 9.10, and everything was working fine before the upgrade but now when ever I play a file in a video player everything has a blue/green tint. Its like my video went into Smurf mode! for some reason flash based video is still fine, ex. hulu/youtube both play just fine.
The cause of this issue could be the use of the NVIDIA closed source driver; since this bug hasn't been addressed yet, here's a quick fix for when you use Totem:
Press Alt + F2, and then run this command:
That should open up the "Multimedia System Selector" window.
Click on the "Video" tab and select "Custom" from the "Plugin" drop down menu.
Add the following line inside the "Pipeline" text box and just close it after:
videobalance hue=-1 ! autovideosink
Quit Totem and reopen it for the changes to take effect.