[mythtv-users] DVB-T tuners recording multiple shows

[John Pilkington]

On 25/10/12 16:07, Mark Greenwood wrote:
>
> On 25 Oct 2012, at 15:48, Martin Moores wrote:
>
>> On 25 October 2012 15:17, Mark Greenwood <fatgerman at gmail.com
>> <mailto:fatgerman at gmail.com>> wrote:
>>
>>
>>     On 25 Oct 2012, at 12:04, Mark Greenwood wrote:
>>
>>     > Hi again,
>>     >
>>     > I recently upgraded from 0.24 to 0.26 (fresh install). I recall
>>     that under 0.24 I could set 'Max Recordings' for a DVB tuner to
>>     '2', and mythtv would understand that it could record 2 channels
>>     simultaneously on that tuner provided they were on the same
>>     multiplex. This always worked fine.
>>     >
>>     > In 0.26, however, I just programmed 2 shows to record at the
>>     same time. They're on different multiplexes but in mythweb I can
>>     see that they are both set to be recorded on the same tuner.
>>     Surely this won't work. What have I done wrong?
>>     >
>>     > I have 2 USB DVB-T sticks connected, they're indentical. I was
>>     expecting the second show to be scheduled to be recorded on the
>>     second stick. Is this something to do with input groups? - this is
>>     something I have failed to get my head around and just allowed
>>     mythtv-setup to specify it in its own mysterious way :)
>>
>>     Whoops, just answered my own question… I'd given both tuners the
>>     same name in the backend setup :) PEBKAC.
>>
>>     On this subject though, I'm still a little confused about input
>>     groups. The backend setup, under Input Connections, has two input
>>     groups for each tuner. For each tuner the first input group is set
>>     to something like /dvb/adapterN/frontend0 and the second is set to
>>     'Generic'. But as I understand it, to permit 4 simultaneous
>>     recordings (assuming appropriate choices of channles/multiplexes)
>>     the second one should also be unique. Is this wrong?
>>
>>     Thanks,
>>
>>     Mark
>>
>> You only get an entry in input connections for each physical tuner,
>> enabling multi rec does not increase the number of input connections.
>>
>> For example, I have 2 dual tuners, so have 4 entries
>>
>> Not sure what the "generic" is though, mine all have a full
>> "/dvb/adapter1/frontend0" name.
>
> OK so I have two entries in input connections, one for each physical
> tuner. But under each entry there are settings for 'Input Group1' and
> 'Input Group 2'. I'm confused as to what the second input group is for.
>
> Is there anything to enabling multi rec other than setting 'Max
> recordings' to 2 under 'Recording Settings' for the card in the backend
> setup? (2 appears to be the default).
>
> Thanks,
>
> Mark
>
>>
>> Cheers
>>
>> Martin
>>
I find 5 for each physical tuner is sometimes not enough; usually around 
8 pm, with radio and a little pre- and post-roll.  Of course I rarely 
have time to watch :-)