PWCVIEW(1) say errors

[Tom Evans]

On Tue, Mar 6, 2012 at 3:48 PM, Xavier xfm
<xavierfreebsdmultimedia at gmail.com> wrote:
> Hi,
>
> Why PWCVIEW(1) don't work ?:
>
>> su
> Password:
> casa# pwcview -d /dev/video8
> Webcam set to: 320x240 (sif) at 5 fps
> libv4l2: error queuing buf 0: Invalid argument
> libv4l2: error queuing buf 1: Invalid argument
> libv4l2: error queuing buf 2: Invalid argument
> libv4l2: error queuing buf 3: Invalid argument
> libv4l2: error reading: Device busy
> Error reading from webcam: Device busy
> casa#
>
> Any idea ?
>
> Thanks.

What is /dev/video8? For a simple usb webcam, webcamd and pwcview work
perfectly for me:

> $ pwcview -s vga -d /dev/video0
Webcam set to: 640x480 (vga) at 5 fps

and I can then see my face.

Cheers

Tom