On Thu, Mar 11, 2021 at 9:14 PM Ed Greshko <ed.greshko(a)greshko.com> 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