V4l2 input does not work with OBS virtual camera

[wkozyra95]

If it is something low effort we should fix it, if not feel free to close it.

It connects, frames are flowing, but there is no output

[wkozyra95]

It appears that obs sends extra 2048 bytes, when I disabled check for size it started working

[wkozyra95]

I cant reproduce that on current master, not sure why

Nevermind, I reproduced that by changin resolution, but I had turn of OBS after change