UVC webcam utility

[Michael Cronenworth]

psmith wrote:
> nice little app michael, one problem popped up when changing the
> exposure control from auto mode to shutter priority mode
>
> [phil at anubis ~]$ uvcdynctrl-gtk
> libwebcam set_control failure: A Video4Linux2 API call returned an
> unexpected error
>
> though maybe the camera doesn't support shutter priority exposure
> settings? i think they are worthy of inclusion for those who don't want
> to install qt*

Yeah, my app only displays what controls libwebcam says are available -- 
but it can lie.

Thanks for the feedback.