[mythtv-users] Transcoding Error
John Pilkington
johnpilk222 at gmail.com
Thu Jul 21 10:33:45 UTC 2022
On 20/07/2022 23:23, Roland Ernst wrote:
>
>
> On Thu, Jul 21, 2022 at 12:06 AM Jay Foster <jayf0ster at roadrunner.com
> <mailto:jayf0ster at roadrunner.com>> wrote:
>
> On 7/20/22 12:29 PM, Jay Foster wrote:
> > On 7/20/22 12:04 PM, Jay Harbeston wrote:
> >>
> >>> On Jul 20, 2022, at 2:26 PM, Jay Foster
> <jayf0ster at roadrunner.com <mailto:jayf0ster at roadrunner.com>>
> >>> wrote:
> >>>
> >>> On 7/20/22 10:52 AM, Jay Harbeston wrote:
> >>>>> On Jul 20, 2022, at 1:26 PM, Jay Foster
> <jayf0ster at roadrunner.com <mailto:jayf0ster at roadrunner.com>>
> >>>>> wrote:
> >>>>>
> >>>>> I created a cut list for a recording and ran a transcode job to
> >>>>> cut the commercials out. I do this all the time, but this time,
> >>>>> the transcode job failed. Mythweb backend status reports
> Status:
> >>>>> Errored, Comments: Unrecoverable error. What does that
> mean? How
> >>>>> do I fix it?
> >>>>>
> >>>>> I looked in /var/log/mythtv for logs, but, although there are
> log
> >>>>> files there, they contain nothing recent. They are
> months/years old.
> >>>> The log file will be named mythtranscode.log . In ubuntu it is
> >>>> indeed in /var/log/mythtv. Maybe find or locate will assist
> you in
> >>>> finding it.
> >>>>
> >>>> You need the info that would be in it.
> >>>>
> >>>> Regards
> >>>> _______________________________________________
> >>>> mythtv-users mailing list
> >>>> mythtv-users at mythtv.org <mailto:mythtv-users at mythtv.org>
> >>>> http://lists.mythtv.org/mailman/listinfo/mythtv-users
> <http://lists.mythtv.org/mailman/listinfo/mythtv-users>
> >>>> http://wiki.mythtv.org/Mailing_List_etiquette
> <http://wiki.mythtv.org/Mailing_List_etiquette>
> >>>> MythTV Forums: https://forum.mythtv.org <https://forum.mythtv.org>
> >>> Yes, I found that file, but it contains no recent entries.
> >>>
> >> <SNIP>
> > _______________________________________________
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> > mythtv-users at mythtv.org <mailto:mythtv-users at mythtv.org>
> > http://lists.mythtv.org/mailman/listinfo/mythtv-users
> <http://lists.mythtv.org/mailman/listinfo/mythtv-users>
> > http://wiki.mythtv.org/Mailing_List_etiquette
> <http://wiki.mythtv.org/Mailing_List_etiquette>
> > MythTV Forums: https://forum.mythtv.org <https://forum.mythtv.org>
>
> Is there a way to use handbrake or ffmpeg and the cutlist generated
> from
> mythfrontend to do the lossless (i.e., copy) MPEG2 editing offline?
>
> Jay
>
>
> A view mythtv users use Project-X (1) together with a script named
> mythcutprojectx (2).
> But this is even more ancient (around 2010).
> At least, Project-X tries to repair a bad mpeg2 recording.
> I would check all the cables and the antenna itself and do a
> signal/noise measurement,
> and see if this error raise again.
>
> (1) https://github.com/knowledgejunkie/Project-X
> <https://github.com/knowledgejunkie/Project-X>
> (2) https://www.mythtv.org/wiki/Mythcutprojectx
> <https://www.mythtv.org/wiki/Mythcutprojectx>
>
> Roland
>
I'm still using Project-X for almost of my recordings from DVB-T in the
UK, but one multiplex produces files that it doesn't properly handle, at
least in its default configuration. And I've just looked again at a CBS
clip from a thread last December, where it drops some but not all GOPs.
I think Issue #548 has just revealed the underlying cause.
The main change I have from the wiki script above is in the remuxing,
where I now use ffmpeg -fflags +genpts to .ts instead of mpegts to .mpg.
ISTR that that fixed playback with leanfront on the firestick.
John P
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