Hi Lorenzo,

On Monday 26 May 2008, Lorenzo Battistini wrote:
> Hi Laurent
>
> 2008/5/23 Laurent Pinchart <[EMAIL PROTECTED]>:
> > Hi Lorenzo,
> >
> > On Wednesday 21 May 2008, Lorenzo Battistini wrote:
> >> Thanks Laurent,
> >> tha patch permits to view video stream through luvcview.
> >
> > Thanks for the report.
> >
> >> But, for now, it's the only software that I was able to use.
> >> For example, gqcam gives "Error reading image..." and a green screen;
> >
> > gqcam is old an unmaintained. It doesn't support V4L2.
> >
> >> skype gives
> >>
> >> Skype V4L2: Could not find a suitable capture format
> >> Skype V4L2: Could not find a suitable capture format
> >> Skype V4L2: Could not find a suitable capture format
> >> Skype V4L2: Could not find a suitable capture format
> >> Starting the process...
> >> Skype Xv: Xv ports available: 1
> >> Skype XShm: XShm support enabled
> >> Skype Xv: Using Xv port 73
> >> Skype Xv: No suitable overlay format found
> >
> > Your camera supports MJPEG only. Maybe Skype doesn't implement MJPEG
> > decoding ?
> >
> >> and a black screen.
> >>
> >> Loading the patched driver, kernel says:
> >>
> >> uvcvideo: Found UVC 1.00 device USB Web Camera (1c4f:3000)
> >> uvcvideo: Failed to query (135) UVC control 1 (unit 0) : -32 (exp. 26).
> >> input: USB Web Camera as
> >> /devices/pci0000:00/0000:00:02.0/usb1/1-2/1-2:1.0/input/input7
> >> usbcore: registered new interface driver uvcvideo
> >> USB Video Class driver (SVN r209)
> >
> > If you're looking for a video conferencing application try Ekiga. It
> > should work with the Linux UVC driver.
>
> But ekiga gives "Error while opening video device USB Web" (I didn't
> find details).

Could you please check the kernel log after Ekiga's failure and report any 
message printed by the driver ?

> Testing through gstreamer-properties:
>
> gstreamer-properties-Message: Error running pipeline 'Video for Linux
> 2 (v4l2)': Failed getting controls attributes on device '/dev/video0.'
> [v4l2_calls.c(243): gst_v4l2_fill_lists (): /pipeline0/v4l2src4:
> Failed querying control 9963788 on device '/dev/video0'. (5 -
> Input/output error)]

Best regards,

Laurent Pinchart
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