[mythtv-users] VIDIOCMCAPTURE0: Device or resource busy

Xaero kknull0 at gmail.com
Fri Aug 22 22:20:28 UTC 2008


same problem
see
http://mythtv.org/pipermail/mythtv-users/2008-August/231432.html

which card are you using?


2008/8/22 Chris Picton <chrisp at tangent.co.za>

> Hi all
>
> I have just reinstalled my mythtv server after a hdd failure.  I am
> using ebuild version 0.21_p18116
>
> I have kept my configs as simple as possible, but I am getting the
> following error when trying to watch live tv:
>
> 2008-08-22 20:52:26.096 TVRec(1): Changing from None to WatchingLiveTV
> 2008-08-22 20:52:26.102 TVRec(1): HW Tuner: 1->1
> 2008-08-22 20:52:27.251 AutoExpire: CalcParams(): Max required Free
> Space: 2.0 GB w/freq: 15 min
> VIDIOCMCAPTUREi0: Device or resource busy
> VIDIOCMCAPTUREi1: Device or resource busy
> VIDIOCMCAPTURE0: Device or resource busy
> VIDIOCMCAPTURE1: Device or resource busy
> (last two lines continually repeated)
>
> I am reading from a bttv card, using the 'Television' input.
>
> The screen goes green, but I do get audio playing.
>
> I have tried playing the nuv file with mplayer, using many different vo
> options, but it also only plays me a green screen, so I dont think it is
> an output problem
>
> If I use tvtime on the same device (/dev/v4l/video0) , I get a perfect
> picture, so I assume it is not my capture card malfunctioning.
>
> If I try run tvtime while mythtv is on livetv, tvtime gives an error
> about device busy, so mythtv is locking the right card.
>
> I have just dropped my entire mythconverg database, and rerun
> mythtv-setup, but I get the same problem.
>
> In addition, I removed v4l1, and v4l1 compatibility from the kernel, and
> I did not get any recording (black screen, no sound, not responsive to
> controls).  Should mythtv use v4l1 or v4l2 when talking to analogue cards?
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