[mythtv-users] VIDIOCSYNC0: Input/output error

[Scott Elliott]

I had the same problems with the AverTV Stereo card.  I gave up on it
and got a couple of Hauppauge WinTV dbx stereo cards, which work with
btaudio.  Haven't had that problem since.

On Tue, 2003-05-06 at 12:42, Dan Brown wrote:
> This is the
> output I get from the backend when I start up myth and
> try to watch tv:
> 
> Starting up as the master server.
> Probed: /dev/video0 - Television
> Probed: /dev/video0 - Composite1
> Probed: /dev/video0 - S-Video
> adding: localhost.localdomain as a player 1
> adding: localhost.localdomain as a player 0
> adding: localhost.localdomain as a player 0
> adding: localhost.localdomain as a remote ringbuffer
> Changing from None to WatchingLiveTV
> audio volume set to '32768'
> strange error flushing buffer ...
> VIDIOCSYNC0: Input/output error
> VIDIOCSYNC1: Input/output error
> VIDIOCSYNC0: Invalid argument
> VIDIOCSYNC1: Invalid argument
> VIDIOCSYNC0: Invalid argument
> VIDIOCSYNC1: Invalid argument
> 
> ... and these last two lines repeat endlessly in the
> console while the MythTV window is black, and without
> sound. THis problem happens only after I watch some
> recorded program - that is, I can have the box record
> shows just fine, but then if I watch one of them, I
> can no longer watch tv. and if I try to record another
> program after having watched one, then it seems to
> work (according to the console messages), but the
> files it produces are tiny (and keep growing slowly
> even after the actual show is over -- long after it
> finishes even), and when I go to play these small
> video files, it gives me repeating errors in the
> mythfrontend window like this:
> 
> Audio buffer overflow, audio data lost!
> Audio buffer overflow, audio data lost!
> Audio buffer overflow, audio data lost!
> 
> ... and so on, with only a black screen as above.

> I'm running myth 0.8 (0.7 had the same problem) and
> using a p4 2.4ghz dell with an avertv stereo tuner
> card, onboard intel i810 sound, and a nvidia geforce4
> with s-video out card. I've tried to install the
> latest bttv drivers - 0.7.106 and 0.9.10, but neither
> seem to take care of it. i haven't been able to get
> xawtv to say it will use v4l2 - instead it is using
> v4l - is that an issue?
> 
> What should I try next? A different tuner card??
> 

-- 
Scott Elliott <selliott at insight.rr.com>