[mythtv-users] Guidance for phase 9
allen.p.edwards at gmail.com
Mon Aug 19 03:53:40 UTC 2019
On Sun, Aug 18, 2019 at 1:11 PM Tom Dexter <digitalaudiorock at gmail.com>
> On 8/18/19, Allen Edwards <allen.p.edwards at gmail.com> wrote:
> > On Fri, Aug 16, 2019 at 1:33 PM Tom Dexter <digitalaudiorock at gmail.com>
> > wrote:
> >> On 8/16/19, Allen Edwards <allen.p.edwards at gmail.com> wrote:
> >> > This may be a dumb question but why can't I edit the XMLTVID, Channum
> >> > and
> >> > Freqid in MythWeb under Channel Info and have that work? That is
> >> > much all the information needed.
> >> >
> >> > Allen
> >> >
> >> What needs to happen is a lot more complex than that, and my script
> >> addresses all of it. But before I get into that, I'm unclear as to why
> >> you'd be doing anything to the xmltvid in the first place. Assuming
> >> that's currently correct for the channel, that has nothing to do with
> >> any of this, as you're only trying the change the frequency of the
> >> existing channel. That aside, here's what you're missing there:
> >> The freqid is the numeric channel number, and my script does in fact
> >> change that based on the frequency. However I don't think that even
> >> serves much purpose when it comes to tuning the channel. That depends
> >> on two things:
> >> 1. The mplexid on the channel table, which must be assigned to the
> >> mplexid of the appropriate transport in the dtv_mulitplex table for
> >> the new frequency. Also note that you may not even have an entry in
> >> that table for the required frequency and my script can create that as
> >> needed.
> >> 2. The serviceid on the channel table needs to be set to the proper
> >> PID (that PROGRAM number in the hdhomerun_config scan) to cause it to
> >> use the correct program in the above transport. I don't think the
> >> channel editor would let you change that either.
> >> In fact, what you're describing probably wouldn't affect the channel's
> >> tuning behavior at all.
> >> So there's a lot involved there, but again, my script does make it
> >> easy.
> >> Tom
> >> @Tom
> > My question was a bit rhetorical. I was not so much saying what fields
> > would need to be changed as saying why can't Myth stations/channels be
> > edited by changing the relevant values in the interface that is already
> > there. We know from comments that when there is a frequency repack that
> > gets tons of questions from MythTV users. Other programs must handle a
> > repack in a more straightforward way.
> > That said, your script and the example you give in your email look like a
> > great step forward in making this a painless process. I look forward to
> > trying it out when the time comes.
> > As a final check, is there anything about what I am running that might
> > me trouble in using your script? Best I can tell from the Ubuntu
> > documentation the perl binding was part of that build. I am, however, not
> > at all sure of that.
> > Mythbuntu 14.04.1 LTS and MythTV fixes/0.28
> > Allen
> I see. Yea, it would be nice to be able to do that in the channel
> editor, however it would need to do a good bit more than just editing
> that table as I'd imagine it does now...for example allowing you to
> select the correct frequency from the existing transports, or to
> create a new one etc...basically what my script is doing. What would
> probably solve all of this would be if the scan could have an option
> (at least for ATSC) to always update existing channels based purely on
> a match of ATSC major and minor numbers.
> As for my script: The database updates that does deal with tables and
> columns that haven't changed in about as long as I've been using
> MythTV, so nothing about your setup should be an issue. I actually
> just looked specifically at the schema updates between 0.28 and even
> 30.0 and nothing involved has changed for sure.
> You can quickly find out if you have those bindings by just
> downloading that script and trying it. You can give it execute
> permissions with:
> chmod a+x mythtv-us-atsc-add-channel
> Then you can try this:
> ./mythtv-us-atsc-add-channel -h
> If you get the help text you're fine...otherwise you'll get this:
> Can't locate MythTV.pm in @INC (you may need to install the MythTV
> module)...etc etc
> If you don't have the bindings let me know...I've actually already
> made a version without that that has the database, user, and password
> directly in the script where you have to edit them in the script.
> If anyone's interested, I've attached another utility that to add a
> new ATSC channel that's worked well for me. Note that it can't add new
> frequencies, however you can do that with my first script using the -c
I get the help file with both ./mythtv-us-atsc-add-channel -h and
./mythtv-us-atsc-freq-check -h so I guess all is good.
Now which one do I use to do the rescan? I thought it was freq-check but
then you sent the add-channel code and told me to use that.
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