Hi Marcel,

On Thursday 31 July 2008, Marcel van Beurden wrote:
> Laurent Pinchart wrote:
> >> I tried it with aMSN and luvcview. With luvcview (0.2.1) the image will
> >> be black and the controls are not visible, but I can change them (no
> >> effect). Als luvcview will not close until I unplug the cam.
> >
> > Some applications paint the video display window to black before starting
> > video streaming, so a black window could mean that no image is received
> > by the application. This isn't the case here as aiming the camera at
> > light shows motion.
> >
> > I've never encountered a similar issue with Logitech webcams and I can't
> > really think of anything on the driver's side that could cause such
> > problems. The driver would at least spit an error message to the kernel
> > log if it can't read or write a control.
>
> Since you also wrote luvcview,

Nooooooooo :-) I haven't written a single line of luvcview's code (at least 
that I'm aware of). I don't know why Michel Xhaard added my name to the 
copyright statement.

> do you know what is going on there? When I 
> start it I gert a black screen, and I see no controls, but I can use them.
> When I close luvcview, the console shows "Stop asked". Then it hangs.
> Ctrl-C does not work. Only killing the process or unlugging the cam works.
> When I unplug it, it says:
>
> Unable to dequeue buffer (5).
> Error grabbing
>   Clean Up done Quit
>
> Does that give any hits?

I have no knowledge of luvcview's code, sorry.

> > You should post a message to the quickcamteam.net forums. They should
> > have more information about Logitech webcam issues than I got.
>
> I did now and I'm awaiting any answers.

Best regards,

Laurent Pinchart
_______________________________________________
Linux-uvc-devel mailing list
[email protected]
https://lists.berlios.de/mailman/listinfo/linux-uvc-devel

Reply via email to