[mythtv-users] dual tuner setup

[Another Sillyname]

On 15/03/2011, Another Sillyname <anothersname at googlemail.com> wrote:
> On 14/03/2011, tim draper <veehexx at gmail.com> wrote:
>> @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.
>>> _______________________________________________
>>> mythtv-users mailing list
>>> mythtv-users at mythtv.org
>>> http://www.mythtv.org/mailman/listinfo/mythtv-users
>>>
>>
>
> OK Here's my suggestion.......
>
> shut down the mythbackend
>
> from the 'normal' user account run mythtv-setup
>
> In Capture Cards  -->  delete all the cards in the system
>
> In Video Sources  -->  delete all the video sources
>
> exit from mythtv-setup
>
> start the mythbackend
>
> run mythfilldatabase  wait for it to finish
>
> stop the backend
>
> from the 'normal' user account run mythtv-setup
>
> In Capture Cards -->  New Capture Card -->  Select DVB on the drop
> menu  -->  Select the first card (should be something like
> /dev/dvb/adapter0/frontend0)  --> Recording Options --> Set the
> maximum recordings for 2 --> esc back to previous menu -->  Make sure
> you select LNB as the disecq type (I can't tell you the exact option
> for this as I'm still running .23fixes).  --> Finish
>
> This should give you a card in the list
>
> repeat the process for /dev/dvb/adapter1/frontend0
>
> You now have 2 physical tuners set up to support two recordings per
> tuner so a maximum of 4 recordings (assuming the broadcast is on the
> same mux).
>
> esc back to previous menu and choose Video Sources  -->  New Video
> Source  --> Call it SatSource  -->  Listing grabber EIT Only  -->
> Finish
>
> esc back to the previous menu --> Input Connections  -->  Pick the
> first card on the list  -->  Call it Sat1  -->  Choose SatSource as
> the Video Source  -->  Scan for Channels  -->  Choose the options
> depending on your location and satellite you're looking at - Let the
> scan run  --> When it's finished esc back and choose the second card
> on the list -->  Repeat the process EXCEPT DON'T DO THE SCAN....it'll
> get the channels table from the previous scan via the SatSource Video
> Source you previously specified.
>
> esc back out of menu....
>
> make sure both tuners have SatSource after the name now.
>
> esc out
>
> start the backend
>
> mythfilldatabase
>
> report back here please..
>
> Good luck.
>
>
>
> esc back
>


Sorry make sure you call the second card Sat2 in the input connections
section.....