Hi, On Thursday 29 July 2010 08:48:55 linux newbie wrote: > Hi, > > I have microsoft life cam connected to Ubuntu running linux 2.6.26. > > Based on the v4l2 documentation, I wrote a simple program, that > captures image(YUV4:2:2) and write it to jpeg. > > I captured two images and there is quiet significiant difference > between the two images. First one is bit greenish and brighter and > second one is darker. I havent set any control values, so I assume it > take default values for brightness/sharpness etc. > > I also tested the same camera in my embedded target. The results are > differetn. First picture is normal, second is very bright. > > Can anyone let me know, what might be the issue and possible solution to > fix it.
That's probably caused by auto-exposure and auto-white balance. Both settings can be manually controlled by disabling the auto-exposure and auto-white balance controls. -- Regards, Laurent Pinchart _______________________________________________ Linux-uvc-devel mailing list [email protected] https://lists.berlios.de/mailman/listinfo/linux-uvc-devel
