[mythtv-commits] Ticket #12256: Playback of MKVs with embedded-font subtitles irregular and jerky

MythTV noreply at mythtv.org
Thu Aug 28 22:32:45 UTC 2014


#12256: Playback of MKVs with embedded-font subtitles irregular and jerky
-----------------------------------------+---------------------------
     Reporter:  hardmann@…               |      Owner:  jyavenard
         Type:  Bug Report - General     |     Status:  new
     Priority:  minor                    |  Milestone:  unknown
    Component:  MythTV - Video Playback  |    Version:  0.27.3
     Severity:  medium                   |   Keywords:  subtitles mkv
Ticket locked:  0                        |
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 Playback of MKVs with "fansub" embedded SRT subtitles is jerky.  The main
 problem is pauses in playback, and/or subtitles displaying only for a
 split-second.

 After a bit of testing, it looks like it's something to do with the
 loading of the font or the rendering of the font for the subtitle.  The
 fonts were embedded into the MKV  - however I extracted the fonts too,
 installing them normally.  This did not seem to help at all.

 Example videos exhibiting this problem:
     https://kickass.to/vivid-mushishi-zoku-
 shou-01-8902b060-mkv-t8961335.html

 Where the first few seconds of the musical-score subtitles cause
 jerkyness.

 These files play fine in VLC.

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Ticket URL: <https://code.mythtv.org/trac/ticket/12256>
MythTV <http://www.mythtv.org>
MythTV Media Center


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