webcamd rc.d devd and instances

[Hans Petter Selasky]

On 06/08/17 12:28, Da Rock wrote:
> I have a laptop with a manufacture error in the webcam where the image 
> is upside down. I can call webcamd manually and use -m to rotate the 
> image, but how do I get it to do this in rc.d/devd so that it does it 
> automatically?
> 
> I've tried using instances, but I'm not sure that the rc script is 
> actually reading it - in fact it seems to even hang.
> 
> In my rc.conf I have webcamd_0_flags="-m 'v4l2-dev.v4l_hflip=1 
> v4l2-dev.v4l-vflip=1'".
> 
> In the rc script file it says that devd will automatically add devices, 
> if no devd then instances will have to be used; but it doesn't say if 
> both can be used together. From the code, it seems it may be a 
> possibility, but I'm looking for confirmation or a better solution to 
> the dilemma.
> 

Hi,

The webcamd RC is executed before devd is started. Static entries will 
not conflict with dynamic ones.

To avoid static webcamd entries attaching to the wrong device, add -N 
and -S options as given by "webcamd -l" to the flags.

--HPS