[mythtv-users] Force mythtv to always use one input for a particular channel

[Mary Strimel]

On Thu, Oct 18, 2012 at 8:32 PM, Joseph Fry <joe at thefrys.com> wrote:
>
>> >>>> Is there a way to make mythtv do this? Should I try to create two
>> >>>> different channel lineups, one of which omits that channel, the other
>> >>>> which only has that channel?  Or is there some easier way?
>> >>>> Thanks in advance,
>> >>>> Mary
>> >>>
>> >>>
>> >>> I think this will work the way you want: Create two channel lineups,
>> >>> one for each tuner.
>> >
>> >
>> > OK, just to get terminology straight...
>> >
>> > Lineup = a list of channels from a specific provider that you specifiy
>> > at
>> > Schedules Direct, and for which you can download listings data
>> >
>> > Video Source = a list of channels and their tuning information in MythTV
>> >
>> > What the OP needs is 2 MythTV Video Sources, which can both use the same
>> > Schedules Direct lineup.
>> >
>> >
>> >>> Make sure the callsigns match so the scheduler
>> >>> knows they are the same content. On the lineup for Tuner1, increase
>> >>> the channel priority of the very strong channel (favor strong channel
>> >>> on Tuner1), but decrease the input priority for Tuner1.
>> >
>> >
>> > No, you shouldn't increase the priority of the channel on the Video
>> > Source
>> > connected to the tuner you want to use that channel.  In so doing, you
>> > would
>> > be saying, "I'd rather record garbage off this channel than record
>> > something
>> > good off any other channel," so you would actually be messing up your
>> > other
>> > recording schedules (even those for shows that never air on this
>> > channel).
>> >
>> > You would /only/ want to decrease the priority of the channel on the
>> > Video
>> > Source connected to the tuner you don't want to record that
>> > channel--which
>> > says, "I'd rather miss a recording on this channel, but if there's no
>> > other
>> > option, a recording from this channel will work."
>> >
>> > (This is exactly why messing with channel and input priorities is almost
>> > always a bad idea--because few understand the results of doing so.  It
>> > all
>> > comes down to the fact that there is only one priority which affects
>> > /what/
>> > you record.  It's never as simple as affecting where you record.)
>> >
>> >
>> >>> Now the
>> >>> scheduler will favor Tuner0 for all but the one strong channel.
>> >>
>> >>
>> >> I'm assuming you're on 0.25 or 0.26...
>> >>
>> >> I would stay away from the priorities. Just use two video sources, one
>> >> per antenna. And configure them to just contain the channels that you
>> >> can receive without error. (it's all digital after all)
>> >> Look at callsign and channel number so it matches if its the same
>> >> channel.
>> >> If you like, configure the input order to be "big antenna first,
>> >> rabbit ears later". See
>> >> http://www.mythtv.org/wiki/Release_Notes_-_0.25#Scheduler
>> >> The scheduler will shuffle stuff around to make room for recordings
>> >> that can only be recorded on one input either way.
>> >
>> >
>> > This is definitely the easiest way--and likely is more what the OP
>> > wants.
>> > By creating a Video Source without the troublesome channel, you would be
>> > making it impossible to record off that channel on the input using that
>> > Video Source.  The other input--which uses the other Video Source, that
>> > contains the channel--would be able to record off that channel.
>> >
>> > Mike
>> >
>> > _______________________________________________
>> > mythtv-users mailing list
>> > mythtv-users at mythtv.org
>> > http://www.mythtv.org/mailman/listinfo/mythtv-users
>>
>> OK, thanks all.  So I think I understand: the simplest way is to edit
>> the two Video Sources to delete any non-working channels for each
>> source.  This should solve the problem for LiveTV as well as
>> recording, right?
>
>
> Yes
>
>>
>> (although I'll have to manually change inputs to get
>> to CBS when watching live TV, which is not that big a problem).
>
>
> Not on 0.25 or higher... it will automatically switch.
>
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>
Oh, cool. I haven't noticed it switching when I'm just surfing
channels up and down, but I guess if i type the channel number
directly in, it will switch?  I'll give it a try.
Thanks again for your help.