[mythtv-users] libmpeg2 and closed caption

[Dawning Sky]

On 5/17/07, Daniel Kristjansson <danielk at cuymedia.net> wrote:
>
> On Thu, 2007-05-17 at 09:17 -0700, Dawning Sky wrote:
> > I'm using libmpeg2 for TV playing.  But the closed caption on my
> > digital recordings doesn't display.  If I use ffmpeg, the closed
> > caption shows, but mythfrontend crashes from time to time.  Any
> > suggestions?
>
> libmpeg2 doesn't parse out the EIA-708 caption stream for
> MythTV. For the crashing in ffmpeg you might want to check
> connectors and re-aim your antenna to improve the signal.
> Also you can report the bug[s] that cause the crashing. First
> try a recent version of ffmpeg and if it crashes create a
> small sample of the video which causes the crash and send
> the backtrace and a link to the sample to the ffmpeg developer
> mailing list. If the problem is confined to MythTV decoding
> do the same things with MythTV from SVN head, but report it
> in trac (svn.mythtv.org) instead of the developer mailing list.
> Segfaults are often the easiest bugs to fix.

> One more thing, the closed caption is displayed fine for recordings
> > from PVR-500, even with libmpeg2.
> Those are EIA-608 captions...
>
> -- Daniel
>
> Thanks, Daniel.  Now I understand.  Although I'm using cable, I do get
weak signals, because I split the signal 4-way, even though I have an
amplifier before the splitter.  And FusionHDTV Lite does not have a
particularly strong tuner.  Anyways, I'll probably have to live with it for
now.

DS
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