On Thu, Mar 11, 2021 at 9:14 PM Ed Greshko <ed.greshko@xxxxxxxxxxx> wrote:
>
> > To turn off the auto-focus feature of my webcam, I used the following command:
> >
> > v4l2-ctl -c focus_auto=0
> >
> > However, recently, the same command returns the following:
> >
> > # v4l2-ctl -c focus_auto=0
> > unknown control 'focus_auto'
> > #
> >
> > Any ideas?
>
> What does
>
> v4l2-ctl -l
>
> return?
>
> Do you more than one /dev/videoX device?
Thanks, Ed.
---------------------------------------
# v4l2-ctl -l
User Controls
keep_format 0x0098f900 (bool) : default=0 value=0
sustain_framerate 0x0098f901 (bool) : default=0 value=0
timeout 0x0098f902 (int) : min=0 max=100000
step=1 default=0 value=0
timeout_image_io 0x0098f903 (bool) : default=0 value=0
#
---------------------------------------
I have only one webcam. But I am using a virtual camera via OBS Studio.
Paulo
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