Hi Igor, On Monday 18 October 2010 21:03:02 Igor Demyanov wrote: > Hi Laurent, > Unfortunately it did not help. > > Noticed a strange behavior. > In the light table lamp White Balance temperature varies fps at 1 frame. > fps = 6-7. > If, WBT = 0 bring a sheet of white paper into the frame. FPS rises to 14.5. > Removing paper, FPS remains the same(14.5). > Next, if you close the lens by hand and wait for 1-2 seconds, open the > lens, the FPS again fall to 6 frames and after some time (15 seconds) > again rises to 14.5 frames. It was also observed decrease in fps when > moving in the frame. > A similar behavior of the camera at WBT = 1. > One gets the feeling that the WBT only affects the color.
Manufacturers implement all kind of interesting (or not...) bugs in their devices. I don't think we can do much about it. > Auto-exposure not supported by the camera? The camera doesn't report any auto-exposure control. That means that auto- exposure is either not implemented or always on. > When I run guvcview > Console output: > fps is set to 1/30 > Could not grab image (select timeout): Resource temporarily unavailable > Is this normal? No it isn't. -- Regards, Laurent Pinchart _______________________________________________ Linux-uvc-devel mailing list Linux-uvc-devel@lists.berlios.de https://lists.berlios.de/mailman/listinfo/linux-uvc-devel
