I want to use one of these on a video:
I can't even find linear adjustments in the video editor that is included with Ubuntu.
This should be trivial. What have I missed?
openmovieeditor supports color curve features. It is available in the Software Center.
References:
1) http://www.brighthub.com/computing/linux/articles/36844.aspx
2) http://www.openmovieeditor.org/
ffmpeg
provides a colour curve filter. Depending on your distribution version, this could beffmpeg
oravconv
.