[mythtv-users] Mythtv .19 live watching

Gavin Haslett gavin at nodecaf.net
Fri Jul 14 18:59:06 UTC 2006


On Wed, 2006-07-12 at 09:23 +0200, Yves De Muyter wrote:
> Hello,
> 
> I have an issue now since that the ringbuffer has gone:
> 
> I left the system in live-tv mode last night. It recorded everything until
> the disk is full (the livetv recording options is very high quality that
> means it eats a lot of diskspace). It also expired any other recording that
> was flagged as autoexpire.
> 
> Is this the expected behaviour?
> 
> -Yves

It sounds to me like you've been bitten by a bug or a failure of
scheduling data, not a failure of MythtTV.

The way Live TV works in 0.19 is that it records everything as a new
recording, just live TV exists in a different group. When one show ends
and another begins, it creates yet another new recording. These Live TV
recordings are prioritized to be deleted first, before any "archived"
recordings. As such, you shouldn't lose a thing. If you have only a
small amount of disk space left, it should act for all intents and
purposes like a ring buffer.

However, I have noted that if there's not enough space for a single full
recording of average length, it will expire out some of your archived
recordings... that's per design.

I configured the setting to retain 4Gb of disk space regardless, and
haven't had that problem since two days after implementing 0.19.

I like the way 0.19 does Live TV... it works extremely well. The only
problem I have is "deprogramming" my wife who learned with 0.17 and 0.18
to watch available disk space and delete recordings when space gets
low... now she has a tendency to delete recordings when there's actually
12Gb of Live TV recorded... a minor inconvenience, but keeps my Myth Box
clean :)

Now, another bug with this method is if the scheduling information for
the show is not detailed or incomplete (like PPV channels which just
show "Pay Per View" all day with no detail), it will record
indefinitely. If your recording information contains no end-time, this
will happen and it will cause exactly what you saw. Thankfully, PPV
purchases in my household are almost nil since we subscribed to Netflix,
so I never see this problem, either.

Oh, I have had that last situation occur with a database corruption
issue, but these tend to be my own fault :)

Gavin




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