[mythtv-users] How to Prevent Freeze When Starting Playback

[Tom Wheeler]

Hi Mark,

The paint engine was set to "QT" -- not sure why, maybe that's the default
in Mythbuntu. Anyway, I changed it to "Auto" and found that while it did
not fix the original problem, it does now display a "Please Wait" message
during the delay. The menus are now also much smoother and some graphics
glitches I'd seen traversing through the menus seem to be gone.

The only disadvantage is that there's now a small "Default Settings"
message displayed in the upper-right corner for a few seconds when playback
begins. I can dismiss it by hitting "Exit" on the remote, though if anyone
knows a way to suppress it from being shown in the first place, I'd be
grateful.

Thanks,

Tom



On Tue, May 12, 2015 at 7:10 PM, Mark Perkins <perkins1724 at hotmail.com>
wrote:

>
>
> On 13 May 2015, at 5:32 am, "Tom Wheeler" <tomwheel at gmail.com> wrote:
>
> This problem still occurs for me. I tried the MySQL tuning advice from the
> Tune_MySQL page on the Wiki, but this had no effect on the delay. The disk
> drives are fine, and power saving is disabled.
>
> To summarize, the issue is that when I hit play on the "Watch Recordings"
> screen, there is almost always significant delay (of varying duration)
> before the program is actually shown. This happens on both the combined
> backend/frontend and the remote frontend that's connected to it via gigabit
> ethernet. Both systems are running Mythbuntu and MythTV 0.27. The delay
> only affects the start of program play, during which the screen appears
> frozen on the "Watch Recordings" screen (there's no "Please Wait" message,
> hourglass cursor, or other visual cue). Once the program begins playing,
> performance is fine.
>
> The problem has gotten worse over the last six months. It happens much
> more frequently and with much longer delays (now averaging about 20 seconds
> and taking even three minutes in some rare cases). It occurs with
> recordings of any resolution, ranging from 1080p HD programs all the way
> down to old 1960s-era black-and-white SD recordings. The delays seem to be
> a little longer for higher resolution programs, but that may be perception
> or coincidence.
>
> Here's the log from a session last night:
>
>    http://pastebin.com/ft9Mkn5F
>
> Here's the log from another session, after I started the frontend using
> the "-v playback" flag:
>
>    http://pastebin.com/D3eVX0HA
>
> Any ideas as to what I could try in order to diagnose or fix it?
>
> Thanks,
>
> Tom
>
> _______________________________________________
>
>
> If you go (in mythfrontend) to Setup, Appearance, on the first page what
> is your Paint Engine set to? If you change it to Auto or OpenGL does the
> behaviour change?
>
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