[chbot] V4L2 tutorial

[Charles Manning]

On Thu, Oct 27, 2011 at 1:37 PM, Mark Atherton <markaren1 at xtra.co.nz> wrote:
> Hi All,
>
> I have a PCI video capture card (with on board MPEG-2 video encoder)
> plugged into an x86 loaded with Ubuntu Studio 11.04.
>
> I believe that with a little cunning, it is possible to configure one
> of the dev/video devices to become a block file video source (so you
> could open it, and copy the data to a file for example, or pipe it
> through a filter etc).

Won't this be a char driver and not a block driver? My Linux laptop says

charles at charles-laptop:~$ ls -ial /dev/video0
7241 crw-rw----+ 1 root video 81, 0 2011-10-27 08:23 /dev/video0
charles at charles-laptop:~$

Anyway  a quick Googling reveals:

http://forums-web2.gentoo.org/viewtopic-p-6357237.html?sid=00d8eb8061497f4e3f203fc9a90fcf6a





>
> Anyone know of any good tutorials on the subject ?
>
> Many thanks,
>
> Mark
>
>
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