[ATrpms-users] mythTV died after upgrade.
brendan at zen.org
Mon Apr 10 03:16:42 CEST 2006
> After another reboot (and a smart fix) my live recordings are back again.
> Black image with live TV still is a problem. I'll ask on the mythTV list.
We had this problem moving to 0.19 and below was the cause, if it's of
I did an |apt-get update && apt-get dist-upgrade -u| on our MythTV box
to update it to the latest and greatest. After doing the upgrade,
though, we were no longer able to watch live TV. I read through the
<http://www.mythtv.org/wiki/index.php/Release_Notes_-_0.19> and found
the LiveTV part had changed drastically. (Hmm, is it about here you’re
wondering why I upgraded everything before reading what was changing?)
The LiveTV change makes it possible to watch something for a while, hit
record, and have it save everything you’ve seen so far.
The fix to let us again watch live TV through our MythTV box was to run
|mythtvsetup| and look under |Capture cards| and modify the single
|/dev/video0| entry that’s in there to have a Default Input value of
When I first set up <http://www.zen.org/?p=29> the box, I’d set up two
inputs, one from the “regular” cable (|Tuner 0|) and one from the NTL
Digital Cable box (|S-Video 0|). The intent was to make the MythTV
record shows off the regular cable so we could watch whatever we wanted
from the digital cable (no channels changing out from under us). I found
the quality of what was being recorded for regular cable wasn’t the
greatest, so I finally ditched the idea and stuck to just recording
programs off digital cable. (Hmm, perhaps I should give |Tuner 0| a try
with the new version?) I deleted the |Tuner 0| input connection, leaving
just |S-Video 0|.
So it appears the new way of capturing live TV in a style that can be
retroactively recorded has closed the part of MythTV that would iterate
through input connections if the default doesn’t work. Instead, it will
throw you right back at the initial screen for the UI. (Actually, this
change is more of a workaround; still need to look at the diffs and
figure out the real fix to the code to make it stop throwing us back out.)
Having changed it from the old |Tuner 0| to |S-Video 0|, I restarted
|mythtvbackend|, then |mythtvfrontend|. Voila, we can again watch live
TV and pause it when the phone rings or someone comes to the door. Or to
avoid commercials by pausing til we know they’re done (commercials are
considerably less frequent in Ireland/UK television than in the US, but
they’re still there). Thanks, MythTV!
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