Hi Laurent,

2008/5/29 Laurent Pinchart <[EMAIL PROTECTED]>:
> 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 ?

Sure. I didn't think of it.

uvcvideo: Failed to query (1) UVC control 1 (unit 4) : -110 (exp. 1).

>
>> 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,

Lorenzo Battistini
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