[mythtv-users] dual tuner setup

[tim draper]

@another sillyname - no, just this card. (1 card, dual tuner) & mythtv 0.24
(mythbuntu 10.10 x86)

@raymond - maybe this is where im going wrong. i dont have the details
infront of me, but each tuner has it's own video source and own channel scan
data. so mythtv isnt intelligent enough to see that tuner1 is inuse, so it
will default to tuner2; i have to manually switch? to me that seems an big
flaw in an media center enviroment.
i'll re-do my tuning setup tonight so i have 1 video source (this is
something i'd expect to see in the documentation/wiki.. maybe i'll edit the
wiki to cover this once i work it out for myself. there seemed to be a bit
of info about different content on tuners or single tuner setups, but i
skipped through both as neither applied to me.

thanks for the info - being new to mythtv it highly likely i've not set it
up correctly.
Tim


On 14 March 2011 00:08, Raymond Wagner <raymond at wagnerrp.com> wrote:

> On 3/13/2011 18:29, tim draper wrote:
> > the card is a TBS6981 dual DVB-S2 card, and receives the same channels
> > from both inputs. both inputs are setup and detect channels. channel
> > editor/mythweb shows everything twice so things appear to be working ok.
>
> If that is the case, then you screwed up.  If both inputs receive the
> same list of channels, they should be sharing a single Video Source, and
> you should have only scanned for channels once.
>
> > so i set a recording going, and it sucessfully records. however, while
> > this recording is inprogress i can only switch between recording on
> > the same multiplex.
> > i obviously havent set something up right, but i cant find any
> > documentation on how to set this up.
>
> No, this is expected behavior.  MythTV allows simultaneous recording on
> a single tuner through the use of 'virtual tuners'.  By default, MythTV
> will set up two per digital tuner.  If your LiveTV session grabbed a
> virtual tuner already in use by a scheduled recording, that virtual
> tuner will not be able to force the physical tuner off that multiplex,
> as it would disrupt the existing recording.  You will have to switch
> tuner cards, either through the 'm' menu, or though the key binding.
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