[mythtv-users] LiveTV gives an MPEGRec error, Recording works fine.

Michael T. Dean mtdean at thirdcontact.com
Sun Apr 15 17:15:32 UTC 2007


On 04/15/2007 12:06 PM, Geert Smolders wrote:
> I have a very strange problem that - according to google - is very uncommon:
> When i want to watch live tv with Myth i get a black screen and after a
> minute or so it returns to the main screen.
> But when i set something up for recording it will record just fine and i
> can watch as it records, so that's almost live...
> Though this has saved me from missing the Champions League i would
> rather just be able to zap along channels live.
>
> My system is fairly basic; a 1200MHz AMD cpu, 256 megs of RAM, a
> Geforce2 Mx400 for svideo-out and a PVR-150 with ivtv drivers.
> I run archlinux, by the way.
>
> tail /var/log/mythbackend.log gives me:
> 2007-04-14 15:08:19.045 TVRec(1): Changing from None to WatchingLiveTV
> 2007-04-14 15:08:19.094 TVRec(1): HW Tuner: 1->1
> 2007-04-14 15:08:21.134 MPEGRec(/dev/video0) Warning: MPEG Layer1 does
> not work properly with ivtv driver.
>                         Using MPEG layer 2 audio instead.
> 2007-04-14 15:08:21.144 MPEGRec(/dev/video0) Error: Could not set MPEG
> controls 2 through 0.
>                         eno: Numerical result out of range (34)
>
> Clearly, something is very wrong here. I must mention at this point that
> liveTV has worked for me, but i can't really remember when it stopped
> working. Perhaps when i upgraded my kernel (just a 2.6.20-1 to -2), or
> something. Recompiling ivtv has done me no good, though.
>
> I am very curious as to what these messages actually mean. Perhaps that
> will bring me a step closer to the solution.

Fix the audio in your recording profiles (all 4) in mythfrontend to be 
MPEG Layer 2...  (And, fix any other profile errors.)

Mike


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