[mythtv-users] Video quality on 0.28 worse than it was on 0.21

[Allen Edwards]

On Sat, Aug 25, 2018, 7:29 PM Stephen Worthington <stephen_agent at jsw.gen.nz>
wrote:

> On Sat, 25 Aug 2018 16:54:13 -0700, you wrote:
>
> >>
> >> I would recommend using the Mythbuntu 16.04.1 version from here:
> >>
> >>
> >> Almost there. I installed 16.04.1 as you suggested and now video
> playback
> >is smooth as it ever was.
> >
> >But there is still a problem.  Every time the system starts I am greeted
> by
> >this message.
> >
> >I click Upgrade but the next reboot I get the same message.
> >
> >Not much help from Google. One post suggests doing something I already did
> >to get Mythweb to work.  The other suggests that there is a corrupt
> >database.  But this is a new install and I have not entered any Music, or
> >even programs.
> >
> >But at least I have good video playback.
> >
> >I do need to get rid of this upgrade message though...
> >
> >Allen
>
> The mythmusic plugin is a mythfrontend only one.  The upgrade of the
> schema on its extra database tables should happen by running
> mythfrontend.  What is the history of your database?  Is it a clean
> database, or have you restored your old one?
>
> What should happen is that on the next run of mythfrontend (with the
> mythmusic plugin installed) after seeing that message, mythfrontend
> should do a backup of the entire database (which can take a while if
> it is large), then mythmusic will do the schema upgrade of its tables.
> What happens to some people is that the database backup happening at
> the start of mythfrontend takes so long that they think there is a
> problem and kill mythfrontend and try again, which does not allow the
> backup and upgrade to happen.  And there have been reports of what you
> are seeing - the upgrade does not happen for some other reason.  You
> can see what mythfrontend is doing by running "tail -f
> /var/log/mythtv/mythfrontend.log" from a command prompt while it is
> starting up.  You need to leave it running while the messages there
> show it is still working on the backup and upgrade.
>
> If just running mythfrontend does not do the upgrade, then the way
> around the problem is to uninstall the mythmusic plugin ("apt remove
> mythmusic") - shut down mythbackend first.  This does not affect the
> mythmusic tables in the database.  Then run mythtv-setup (without
> mythbackend running) to ensure that all other schema upgrades have
> happened.  Do not make any changes while in mythtv-setup, just shut it
> down again.  If it has upgrades to do, it may take a while as it will
> do a database backup first.  Restart mythbackend.  Then you run
> mythfrontend without mythmusic, shut it down and reinstall the
> mythmusic plugin ("apt install mythmusic") and run mythfrontend again
> and run tail to watch what it is doing.  That normally is sufficient
> to make the schema upgrade work.
> ________________________________
>

Will try when I get home.  This is a clean install, no data should be
there.  I don't use music so perfectly happy to restart the entire
database.  There is no data there.


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