May 22, 2010
I've been having a fit with Ubuntu (even tried updating to the new version). I have a USB camera (1.3mp- 1024x768 ) that I need to observe and capture images with (microphotography). I've downloaded and installed multiple packages, but have not found any way to change the default resolutions for V4l2. The resolution closest to what I need is 1024x816, but the video is torn and unusable. One program, Kamoso, worked fine in 640x480 mode, but as soon as I upgraded to Ubuntu 10, it went to the higher resolution (1024x816) which doesn't work right.
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Is there some way to force v4l2 into a 1024x768 mode? The camera is a Tucsen 1.3mp microscope camera. I've emailed the company for more information and to see if they would email me the software/drivers (I lost the driver disk in a fire), but nothing so far from them.
The programs I've installed and tried: Camorama, Kamoso, Xsane, Cheese, VLC media player, v4l2ctrl, v4l2ucp, v4lctl, v4l-info. Camorama doesn't work, Kamoso- you couldn't change resolutions (ditto for Xsane), Cheese - I can change resolutions, but they have these crazy values that don't work, VLC media I cannot change either. I'm supposed to be able to use v4l2ucp to change settings, but I don't get the screen that the preview for the program (in Ubuntu Software) showed.