[mythtv-users] Shield fronrend and video playback times

[Stephen Worthington]

On Mon, 28 Jan 2019 20:14:26 -0600, you wrote:

>Please bootom post on this mailing list.
>
>On Mon, Jan 28, 2019 at 11:33:17AM -0800, Jon Boehm wrote:
>> On Mon, Jan 28, 2019 at 9:13 AM David Engel <david at istwok.net> wrote:
>> 
>> > On Mon, Jan 28, 2019 at 09:27:29AM -0600, Greg Oliver wrote:
>> > > I see frequent issues with time calculations on some recordings - in
>> > other
>> > > words, while the video is still playing, the progress show it at the end
>> > > already.
>> > >
>> > > I watch Nova (and others) on PBS here and they all show the symptom.  I
>> > am
>> > > unsure exactly when it happens, but I have watched 3 this morning and
>> > they
>> > > all jump to the end.  If I set a bookmark, it actually sets it at the end
>> > > of the video even though there is really 20 minutes left to play.
>> > >
>> > > Recorded from HDHR.  I see it on other local channels as well, but not as
>> > > frequent and I have not analysed video when it happens.
>> > >
>> > > Anyone else experience this?
>> >
>> > I've seen that on KERA recordings too.  The same symptom (I don't know
>> > if its the same problem) occurs very frequently with live TV.
>> 
>> Have you marked the PBS channel as commercial free?  Perhaps its only
>> finding one commercial break near the end and jumping to it immediately.
>
>It is marked as commfree.  This looks to be a classic case of
>mis-counting frames, eiter building the seek table or playing back,
>that crops up every once in a while.
>
>David

In the past when I have had a file like this, running "mythcommflag
--rebuild" on a recording has usually fixed it.  That trick may only
work for older similar problems, but it is worth trying.  I have a
user job set up with this command that makes it easy to do that for a
recording file:

mythcommflag --rebuild -f %FILE%