Hi, Thanks for your reply. Let me try it next week and get back to you.
On Tue, Aug 3, 2010 at 11:58 PM, Laurent Pinchart <[email protected]> wrote: > 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
