Which Userland Interface for USB Video Class Driver?

Dieter freebsd at sopwith.solgatos.com
Tue Sep 23 21:48:22 UTC 2008


> > I would write/port a driver for USB video class for FreeBSD's 
> > new USB stack (usb2). OpenBSD and NetBSD both has had their 
> > own implementations for the device class as some people referred 
> > to recently. But which userland interface, bktr(4) or V4L2, should 
> > I use for the driver? 
> 
>   We've only got two choices: 
>   -- bktr is dead, 

Not dead.  We will need bktr support for many years.

>   It only supports analog -- analog is a dead end too.

We will need analog video support for many years.

>   V4L2 has a well defined interface,

Are you saying the penguins got something right?
That would be... unusual.


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