[mythtv-users] Input Groups - 3 encoders and 2 satellite receivers

David Engel david at istwok.net
Wed Oct 22 16:06:35 UTC 2014


On Wed, Oct 22, 2014 at 08:07:45AM -0700, Karl Newman wrote:
> On Wed, Oct 22, 2014 at 7:53 AM, Hika van den Hoven <hikavdh at gmail.com>
> wrote:
> 
> > Hoi David,
> >
> > Wednesday, October 22, 2014, 4:25:09 PM, you wrote:
> >
> > > On Tue, Oct 21, 2014 at 01:37:30PM -0700, Karl Newman wrote:
> > >> On Tue, Oct 21, 2014 at 12:56 PM, <scott at tbwifi.ca> wrote:
> > >>
> > >> > Is it possible that I'm missing a step here...
> > >> >
> > >> > My two satellite receivers both have the same channels that they can
> > >> > access.  With this, I only set up one 'Video Source'.  Perhaps I need
> > to
> > >> > set up two video sources, one for each satellite receiver?  This seems
> > >> > counter-intuitive since the Schedule's Direct info and channel lineup
> > is
> > >> > identical for each.  If I call one video source Sat_1 and the other
> > Sat_2
> > >> > for example and then connect:
> > >> >
> > >> > /dev/video0 (HD PVR) Component1 to Sat_1
> > >> > /dev/video1 (PVR 350 1) Composite1 to Sat_1
> > >> > /dev/video2 (PVR 350 2) Composite1 to Sat_2
> > >> >
> > >> > Will the scheduler know to only engage one of the first two encoders
> > based
> > >> > on the input preference noted during scheduling?
> > >> >
> > >>
> > >> The video source only tells Myth what channels a particular input can
> > >> receive (and the channels' tuning information, if applicable). So if
> > both
> > >> your receivers can see the same channels, you should use a single video
> > >> source. You then map each input to the applicable video source using the
> > >> Input Connections section in mythtv-setup. I saw your other posts about
> > >> sharing a receiver between your HD PVR and your PVR 350. I think input
> > >> groups are exactly what you're looking for but I haven't used them so I
> > >> can't help you with the usage, sorry. I thought it was pretty
> > >> straightforward, though--just create the group and put both of the
> > "shared"
> > >> inputs in it. The other PVR 350 should not be in an input group.
> >
> > > You got it except for one thing.  There should be 2 videosources.
> > > Both PVR 350s should use one source and the HD-PVR should use another.
> > > Each videosource should contain the subset of channels you want the
> > > corresponding device to be able to record.  For example, the
> > > videosource attached to the PVR 350s should probably consist of all
> > > the SD channels and the one attached to the HD-PVR should probably
> > > consist of all the HD channels.
> >
> > > David
> >
> > I don't follow. How can the two PVR3500's share the same source if
> > they are connected to different satellites, with I presume different
> > channels?
> > They can use different subsets of the same grabber, but that then will
> > be separate sources.
> > I understand from what you say, that you can not share sources between
> > HD and SD. Even when they have the same channels?
> >
> 
> Presumably he's using both boxes on the same dish, pointing at the same
> satellite.

Yes, that was my assumption.

> I guess he wants to set up the HD PVR to only record the HD
> channels, which would require a separate lineup. Conceivably he could use
> up to 3 lineups depending how he wants it configured (Receiver 1, SD-Only;
> Receiver 1, HD-Only; Receiver 2, All channels). But it would probably be
> better to just use 2 at most and hide the channels he doesn't want by
> clearing the "visible" flag.

Yes.

David
-- 
David Engel
david at istwok.net


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