[mythtv] Very long recordings

[John P Poet]

On Wed, Feb 10, 2021 at 11:31 AM David Hampton via mythtv-dev <
mythtv-dev at mythtv.org> wrote:

> On Wed, 2021-02-10 at 11:05 +0100, Piotr Oniszczuk wrote:
> >
> >
> > > Wiadomość napisana przez Klaas de Waal <klaas.de.waal at gmail.com> w
> > > dniu 08.02.2021, o godz. 19:08:
> > >
> > > Hi,
> > >
> > > Yesterday I updated my backend to the latest master and since then
> > > some recordings are extended way beyond their scheduled end time,
> > > one of them extended to 21 hours (115GB). Guide data looks OK so I
> > > guess it is the recording. Could this be another "std:chrono"
> > > induced bug?
> > >
> > > Klaas.
> > >
> >
> > just want to say „me too”...
> >
> > i updated be to current master and i have totally screwed real
> > recordings durations.
> > EPG, OSD, etc shows as expected, but real recordings are much longer
> > (i.e. rec. which should be recorded 8PM-9PM in reality was recording
> > 8PM-11:30PM).
> > Something is definitely wrong here.... (provably by recent st:chrono
> > changes?)
>
> I agree there is a problem, but I can't replicate it here. I have a
> bunch of recording scheduled on my dev system to see if I can find one
> that records up until the subsequent scheduled recording.
>
> Summarizing to see if there is a pattern. So far we have reports of:
>
> No problem:
>
> DavidH: HDHomeRun (ATSC, CC), Fedora 33, Qt 5.15.2
> Klaas (dev) has DVB-C tuner, Fedora 33, Qt 5.15.2
> John P: unknown tuners, Fedora 32, unknown Qt
> GaryB: external recorded, unknown OS, unknown Qt
>
> Problems:
>
> Klaas (prod): DVB-C and DVB-C HDHomeRun, Fedora 31 Qt 5.13.2
> TomiO: DVB-T2 tuners, unknown OS, unknown Qt
> jppoet: unknown
> Scott Simpson: HDHomeRun Prime, Unknown OS, Unknown Qt
>
> So far nothing jumps out as being common.
>
> Piotr's bad recording didn't cross midnight local time, and I'm
> guessing that it didn't cross midnight UTC.
>
> Has anyone else see a pattern where some recording are correct and some
> overlong, or are the overlong recording on the system overlong?
>
> David
>

Fedora 32
Kernel: 5.9.16
GCC: 10.2.1
Tuners: Hauppauge quadHD (DVB driver) ATSC and mythexternrecorder
(ExternRecorder)

I only had it installed for less than a day. Klass' observation that it
recorded until the next episode on the same input could be correct - In my
case it seems to record double length, but I didn't analyze in any kind of
detail. Once I have my dev machine working again I will see what I can
figure out there.

John
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