Re: what is best way to test uvideo?

[bch%methodlogic.net@localhost]

On Fri, Jul 09, 2010 at 03:14:37PM -0500, Jeremy C. Reed wrote:
> I have on NetBSD/i386 5.99.36:
> 
> uvideo0 at uhub4 port 4 configuration 1 interface 0: Chicony Electronics 
> Co., Ltd. Webcam, rev 2.00/78.58, addr 3
> video0 at uvideo0: Chicony Electronics Co., Ltd. Webcam, rev 2.00/78.58, addr 
> 3
> 
> I ran:
> 
>   mplayer tv:// -tv driver=v4l2:device=/dev/video0 -fps 30  
> 
> A green screen popped up. It didn't crash and the counters showed it 
> running.
> 
> It gives me output like:
> 
>   v4l2: ioctl set format failed: Invalid argument
>   tv.c: norm_from_string(pal): Bogus norm parameter, setting default.
>   Selected input hasn't got a tuner!
>   v4l2: Cannot get fps
>   v4l2: ioctl set mute failed: Invalid argument
>   v4l2: ioctl query control failed: Invalid argument
>   v412: ioctl streamon failed: Invalid argument
> 
> Permissions on /dev/video0 are fine.
> 
> What is best way to test uvideo?

Hey Jeremy.

I've occasionally got the same thing you did (green screen). Try
again. Maybe require a reboot? I haven't bothered to chase down conditions
when it occurs to me (on a Thinkpad t410).


-- 
Brad Harder
Method Logic Digital Consulting
http://methodlogic.net
http://twitter.com/bcharder