[mythtv-users] Subtitles losing sync

[Frans Grotepass]

On Tue, 1 Feb 2011 20:09:43 +0100
Kenni Lund <kenni at kelu.dk> wrote:

> 2011/2/1 Frans Grotepass <fmgrotepass at yahoo.co.uk>:
> > On Tue, 01 Feb 2011 12:58:25 -0500
> > Raymond Wagner <raymond at wagnerrp.com> wrote:
> >
> >> On 2/1/2011 12:53, Frans Grotepass wrote:
> >> > Hi,
> >> >
> >> > Playing back mkv files with embedded subtitles seem to lose the
> >> > subtitle sync. Playing back the files on my MythTV box with a
> >> > decent processor produces a subtitle sync loss. Playing the
> >> > files back on my Netbook with N270 Atom does cause the
> >> > occasional skip (with mplayer stating that the processor is too
> >> > slow), but the subtitles remain in sync. How can I fix this?
> >>
> >> Is this mplayer or Myth's internal player having subtitle problems?
> >
> > The internal MythVideo player.
> 
> Is it constantly out of sync with a few seconds? If so, perhaps you
> have increased vdpaubuffersize in the MythTV frontend? That will cause
> your subtitles to become ~1-2 seconds out of sync, enough to make it
> unwatchable.

Well, I use an ATI, so I assume vdpau is not relevant... It seems to
start in sync and then slowly drifts off... Let me have a quick look.

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