[MPlayer-users] No video from V4L2 USB camera

[belcampo]

Gary Thomas wrote:
> Whenever I try to run from my V4L2 camera (Linux 2.6.30), I get this error:
> 
> root at arm_target:~ mplayer tv:// -tv driver=v4l2:width=640:height=480
> MPlayer 1.0rc2-4.3.2 (C) 2000-2007 MPlayer Team
> CPU: ARM
At least update your year 2007 of mplayer first.
> 
> Playing tv://.
> TV file format detected.
> Selected driver: v4l2
>  name: Video 4 Linux 2 input
>  author: Martin Olschewski <olschewski at zpr.uni-koeln.de>
>  comment: first try, more to come ;-)
> Selected device: Camera
>  Capabilites:  video capture  read/write  streaming
>  supported norms:
>  inputs: 0 = spca561;
>  Current input: 0
>  Current format: unknown (0x31363553)
> tv.c: norm_from_string(pal): Bogus norm parameter, setting default.
> v4l2: ioctl enum norm failed: Invalid argument
> Error: Cannot set norm!
> Selected input hasn't got a tuner!
> v4l2: ioctl set mute failed: Invalid argument
> v4l2: ioctl query control failed: Invalid argument
> v4l2: ioctl query control failed: Invalid argument
> v4l2: ioctl query control failed: Invalid argument
> v4l2: ioctl query control failed: Invalid argument
> ==========================================================================
> Cannot find codec matching selected -vo and video format 0x31363553.
> 
> 
> I've tried it with 1.1.0 as well - same stuff.
> 
> Any ideas what this means and how to get past it?
> 
> n.b. this was posted via gmane and I'm not on the list, so please CC
> any replies.
> 
> Thanks
> 
> 
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