[mythtv-users] Using mythlink.pl in a system event.

[Zarthan South]

I have used mythlink as a cronjob and like you ran it once a night. I
started adding it to the tail end of my job when I started plugging my
converted recordings back into the database. It seemed like the thing to do
;) Since I play the recordings from the link name I was concerned that it
might case playback issues if a generic mythlink run happened during
playback. My conversion from mpeg2 to mp4 only takes 5 or 6  minutes for a
half hour program so a recording is ready very quickly and we often want to
watch them. Turns out a mythlink run doesn't have any effect at least so
far and I just created a cronjob to run every 10 minutes.

It doesn't seem to have any effect.

On Tue, Feb 7, 2012 at 12:05 PM, Michael T. Dean <mtdean at thirdcontact.com>wrote:

> On 02/07/2012 12:41 PM, Jeremy Jones wrote:
> > On Tue, Feb 7, 2012 at 10:18 AM, Zarthan South wrote:
> >> Thanks
> >> The only reason I had for wanting to delete the individual links was
> >> thinking that recreating the links might disturb an in progress video
> >> playing. I will add mythlink to a system event and see what happens.
> > FWIW, I am (and some others here as well)  running mythlink as a cron job
> > instead of a system event.  Mine is set to run nightly, and I've never
> > noticed a link that didn't work, but it is possible I guess.
> >
> > Still, I am not sure if the deletion of a symlink would affect in
> progress
> > video playback.  Would you mind posting back after you have tried it? Or
> if
> > anyone else already knows?  Or is it different depending on the player
> > reading the file?
>
> I think he's concerned about overloading the backend--either I/O wait
> due to database access or filesystem access caused by deleting all the
> links, then re-creating them--causing problems with the backend's
> ability to write the recording and/or seek table and/or stream the
> recording to a frontend...
>
> I think mythlink.pl is still low-resource enough that it shouldn't be an
> issue, though.  (It seemed to be even on my old Athlon XP 1700+
> backend.  I haven't had a problem since we removed the code from the
> bindings that "played" every recording with mplayer to get video
> information.)  Please let us know if that's not the case on your system.
>
> Mike
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