[mythtv-users] subtitles size

[faginbagin]

On 8/27/2016 1:28 PM, faginbagin wrote:
> On 8/26/2016 1:30 PM, Marius Schrecker wrote:
>> Hi,
>>
>>  After upgrading to 0.28 I have lost my subtitle settings.
>>
>> Editing osd_subtitle.xml for the current theme makes no difference. I
>> also tried changing the zoom level in the playback menu up to about 150%
>> with no noticable difference.
>>  Most of my subs are muxed from .srt's into matroska files, together
>> with the video/audio tracks and Mythtv playback picks them up fine and
>> displays them. The only problem is the size, which is too small.
>>
>> I also had some box shading setings in my osd_subtitle.xml files, which
>> are also not being respected.
>>
>> I'm running mythfrontend with -v gui and get the followimng output when
>> operating the onscreen playback menu and selecting the subtitle:
>>
>> 6-08-26 18:37:06.173113 W  ALSA: Try to manually increase audio buffer
>> with: echo 128 | sudo tee /proc/asound/card1/pcm7p/sub0/prealloc
>> 2016-08-26 18:37:06.416390 E  ALSA: no playback control PCM found on
>> mixer device default
>> 2016-08-26 18:37:06.416401 E  ALSA: Unable to open audio mixer. Volume
>> control disabled
>> 2016-08-26 18:37:07.029918 I  Clearing OpenGL painter cache.
>> 2016-08-26 18:37:07.033219 I  Using 1920x1080 50.000 Hz
>> 2016-08-26 18:37:07.091901 I  VDPAU: Created 2 output surfaces.
>> 2016-08-26 18:37:07.091922 I  VDPAU: Created VDPAU render device
>> 1920x1080
>> 2016-08-26 18:37:07.095605 I  MythPainter cache sizes: Hardware 64 MB,
>> Software 48 MB
>> 2016-08-26 18:37:07.102502 N  Player(0): Forcing decode extra audio
>> option on (Video method requires it).
>> 2016-08-26 18:37:07.104215 I  XMLParseBase: Loading window osd_message
>> from /usr/share/mythtv/themes/MythCenter-wide/osd.xml
>> 2016-08-26 18:37:07.108702 I  XMLParseBase: Loading window osd_input
>> from /usr/share/mythtv/themes/MythCenter-wide/osd.xml
>> 2016-08-26 18:37:07.111698 I  XMLParseBase: Loading window program_info
>> from /usr/share/mythtv/themes/MythCenter-wide/osd.xml
>> 2016-08-26 18:37:07.145715 I  XMLParseBase: Loading window browse_info
>> from /usr/share/mythtv/themes/MythCenter-wide/osd.xml
>> 2016-08-26 18:37:07.154049 I  XMLParseBase: Loading window osd_status
>> from /usr/share/mythtv/themes/MythCenter-wide/osd.xml
>> 2016-08-26 18:37:07.156922 I  XMLParseBase: Loading window
>> osd_program_editor from /usr/share/mythtv/themes/MythCenter-wide/osd.xml
>> 2016-08-26 18:37:07.159730 I  XMLParseBase: Loading window osd_debug
>> from /usr/share/mythtv/themes/MythCenter-wide/osd.xml
>> 2016-08-26 18:37:07.161560 I  XMLParseBase: Loading window osd_debug
>> from /usr/share/mythtv/themes/default-wide/osd.xml
>> 2016-08-26 18:37:07.182559 E  Player(0): Video sync method can't support
>> double framerate (refresh rate too low for 2x deint)
>> 2016-08-26 18:37:07.183949 I  Player(0): Video timing method: USleep
>> with busy wait
>> 2016-08-26 18:37:07.184414 I  TV::StartPlayer(): Created player.
>> 2016-08-26 18:37:07.184457 I  TV::HandleStateChange(): Changing from
>> None to WatchingVideo
>> 2016-08-26 18:37:07.187009 I  TV::HandleStateChange(): Main UI disabled.
>> 2016-08-26 18:37:07.187150 I  TV::StartTV(): Entering main playback loop.
>> 2016-08-26 18:37:07.188055 I  ScreenSaverDBus: Successfully inhibited
>> screensaver via org.freedesktop.ScreenSaver. cookie 1. nom nom
>> 2016-08-26 18:37:07.210190 I  VDPAU: Added 2 output surfaces (total 4,
>> max 4)
>> 2016-08-26 18:37:12.457726 I  XMLParseBase: Loading window MythPopupBox
>> from /usr/share/mythtv/themes/MythCenter-wide/osd.xml
>> 2016-08-26 18:37:12.461936 N  Container '' is missing child 'title' at
>> 2016-08-26 18:38:23.034526 I  XMLParseBase: Loading window MythPopupBox
>> from /usr/share/mythtv/themes/MythCenter-wide/osd.xml
>> 2016-08-26 18:38:23.039257 N  Container '' is missing child 'title' at
>> 2016-08-26 18:38:44.195159 I  XMLParseBase: Loading window MythPopupBox
>> from /usr/share/mythtv/themes/MythCenter-wide/osd.xml
>> 2016-08-26 18:38:44.199427 N  Container '' is missing child 'title' at
>> 2016-08-26 18:39:08.699294 I  XMLParseBase: Loading window MythPopupBox
>> from /usr/share/mythtv/themes/MythCenter-wide/osd.xml
>> 2016-08-26 18:39:08.703598 N  Container '' is missing child 'title' at
>>
>> Has something changed in 0.28 or am I missing something?
>>
>>  BR.
>>
>> --Marius--
>
> I think it is tied to this ticket:
> https://code.mythtv.org/trac/ticket/9294
> It looks like the changes went into 0.25, although they depend on
> whether an external library of the appropriate version was installed
> when the mythtv binaries were built.
>
> What version did you upgrade from?
>
> I can tell you that when I play matroska files with muxed in srt
> subtitles in 0.27, that external library IS rendering the subtitles. But
> I've also got some matroska files with external srt files. When I play
> those, mythtv code is doing the rendering. In this case, both
> osd_subtitle.xml and subtitle zooming work as expected. I'm 90% sure if
> you extract the muxed in subtitles into an external .srt file, your
> osd_subtitle.xml file will be used and subtitle zooming will work.
>
> Regards,
> Helen

Forgot to mention you should see evidence that the external library, 
libass, is being used if you log with -v playback.