2008/6/5 Laurent Pinchart <[EMAIL PROTECTED]>:
> Hi Lorenzo,
>
> On Friday 30 May 2008, Lorenzo Battistini wrote:
>> 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).
>
> The error logged by the driver is a VIDIOC_S_INPUT failure.
>
> I had a closer look at the USB descriptors. The reports has a selector unit
> and two input terminals, one for the sensor and one for a composite input.
> Does your camera really have a composite input ?
>

It doesn't have any composite input. It has just a microphone, that's
directly connected to audio device and it works.

Regards
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