Hi Chris,

On Tuesday 29 January 2008, Chris Rankin wrote:
> Hi,
>
> I have a Logitech Quickcam Deluxe webcam (0x046d:0x0992) but have
> discovered that it has some "quirks" under the uvcvideo (SVN #173, probably
> other versions too) driver:
>
> a) Sometimes, there is no picture at all when I start ekiga
> (video-conferencing) up. In order to restore the picture I either need to
> replug the device into the hub or reload the uvcvideo module - I'm not sure
> exactly what it is that starts the webcam working again. The microphone
> still works, though.

Could you check the kernel log (using the dmesg command) to see if the driver 
reports errors when you get no picture in Ekiga ?

> b) Despite being a USB 2.0 device, the picture is blurry when it moves.
> This does not compare at all well with the picture from my Logitech
> 0x46d:0x09c1 device (also UVC), which has "movie camera" quality on the
> same machine.

When auto exposure is enabled (which is the default), the exposure time is 
greater in low light conditions. This can result in blurry images.

Best regards,

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

Reply via email to