[mythtv-users] FE artwork periodically flashes away

Hika van den Hoven hikavdh at gmail.com
Tue Nov 4 01:07:14 UTC 2014


Hoi Mark,

Tuesday, November 4, 2014, 1:36:52 AM, you wrote:

> Hi, trying to chase down a very minor glitch in a standalone remote Ubuntu
> Frontend.

> Basically every once in a while (say average of 10minutes or so) when idle
> in the Watch Recordings screen (Mythbuntu Theme) I get the fanart / coverart
> flashes away (reverse flashes, ie off-on rather than on-off) a number of
> times (1 - 30 times) before stopping again for a while (5 - 20minutes). I
> have not noticed a pattern in the number of flashes, or the time between
> blocks of flashes.

> I have turned on some additional logging and have found that the pictures
> flashing away coincide with messages like these. For each flash (off-on)
> there is a single repeat of this block of messages and the block might
> repeat 1-30 times over a period of 1-30sec, once for each flash at a rate of
> about 1 flash per second. Note that the file names referenced change
> depending on what program I am idling at in the Watch Recordings Screen:

> 2014-11-04 10:11:43.161964 D  PlaybackBox: Ignoring PREVIEW_SUCCESS, item no
> longer on screen.
> 2014-11-04 10:11:43.162422 I  PlaybackBox: Loading preview
> /home/mythtv/.mythtv/remotecache/1010_20140721121700.mp4.png,
>                         msg On Disk
> 2014-11-04 10:11:43.363774 I  PlaybackBox: Loading preview
> /home/mythtv/.mythtv/remotecache/1010_20140714121700.mp4.png,
>                         msg On Disk
> 2014-11-04 10:11:43.364050 I  PlaybackBox: Loading preview
> /home/mythtv/.mythtv/remotecache/1010_20140707110700.mp4.png,
>                         msg On Disk
> 2014-11-04 10:11:43.364940 I  PlaybackBox: Loading preview
> /home/mythtv/.mythtv/remotecache/1010_20140630111200.mp4.png,
>                         msg On Disk
> 2014-11-04 10:11:43.365837 I  PlaybackBox: Loading preview
> /home/mythtv/.mythtv/remotecache/1010_20140623111200.mp4.png,
>                         msg On Disk
> 2014-11-04 10:11:43.366160 I  PlaybackBox: Loading preview
> /home/mythtv/.mythtv/remotecache/1010_20140616110700.mp4.png,
>                         msg On Disk
> 2014-11-04 10:11:43.367055 I  PlaybackBox: Loading preview
> /home/mythtv/.mythtv/remotecache/1010_20140609110700.mp4.png,
>                         msg On Disk
> 2014-11-04 10:11:43.367313 I  PlaybackBox: Loading preview
> /home/mythtv/.mythtv/remotecache/1010_20140602110700.mp4.png,
>                         msg On Disk
> 2014-11-04 10:11:43.368189 I  PlaybackBox: Loading preview
> /home/mythtv/.mythtv/remotecache/1010_20140526110200.mp4.png,
>                         msg On Disk

> I am assuming that the key is the 'Ignoring PREVIEW_SUCCESS' part and that
> for some reason the FE thinks that the artwork is no longer on the screen
> (when it is on the screen) so it reloads hence the brief flash. But as to
> why I have no idea. Any suggestions on where to go next would be greatly
> appreciated.

> In case it helps, I see nothing unusual in the other menu screens and also
> do not see any flashing during playback. It is only while idle on the Watch
> Recordings screen. Also the flashing only occurs on the artwork and not the
> mythtv generated preview file from the recording, or the text associated
> with the recording. I can try and record the screen while it is happening if
> anyone feels that would be of use.

> Please attach all output as a file in bug reports.
> MythTV Version : v0.27.1-14-g2720f45
> MythTV Branch : fixes/0.27
> Network Protocol : 77
> Library API : 0.27.20140520-1
> QT Version : 4.8.6
> Options compiled in:
>  linux profile use_hidesyms using_alsa using_oss using_pulse
> using_pulseoutput using_backend using_bindings_perl using_bindings_python
> using_bindings_php using_crystalhd using_dvb using_firewire using_frontend
> using_hdhomerun using_ceton using_hdpvr using_ivtv using_joystick_menu
> using_libcrypto using_libdns_sd using_libfftw3 using_libxml2 using_lirc
> using_mheg using_opengl using_opengl_video using_qtwebkit using_qtscript
> using_qtdbus using_taglib using_v4l2 using_x11 using_xrandr using_xv
> using_profiletype using_bindings_perl using_bindings_python
> using_bindings_php using_mythtranscode using_opengl using_vaapi using_vdpau
> using_ffmpeg_threads using_mheg using_libass using_libxml2

Just a thought, have you looked into issues concerning powersave? Also
is the metadata on another physical disk, that for instance spins down.


Tot mails,
  Hika                            mailto:hikavdh at gmail.com

"Zonder hoop kun je niet leven
Zonder leven is er geen hoop
Het eeuwige dilemma
Zeker als je hoop moet vernietigen om te kunnen overleven!"

De lerende Mens



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