[mythtv-users] Scanning dvb-s Nova-S Plus
Paul
thannet at gmail.com
Wed Jul 2 21:19:16 UTC 2008
Thanks Nick.
You have cleared up quite a lot of miss understanding on my part.
Regards Paul
On Sun, 2008-06-29 at 19:56 +0100, Nick Morrott wrote:
> On 29/06/2008, Paul <thannet at gmail.com> wrote:
> > Hi
> > I'm fighting in the dark here, not found any reference that I could
> > understand to setup these two tuner cards. So far I think I am doing the
> > following properly, but assume I am not by the error message.
> >
> > paul at vs:~$ scan
> > -a3 /usr/share/doc/dvb-utils/examples/scan/dvb-s/Astra-28.2E
> > > .szap/channels.conf
> > scanning /usr/share/doc/dvb-utils/examples/scan/dvb-s/Astra-28.2E
> > using '/dev/dvb/adapter3/frontend0' and '/dev/dvb/adapter3/demux0'
> > initial transponder 10773000 H 22000000 5
> > initial transponder 11778000 V 27500000 2
> > WARNING: frontend type (OFDM) is not compatible with requested tuning
> > type (QPSK)
> > WARNING: frontend type (OFDM) is not compatible with requested tuning
> > type (QPSK)
> > ERROR: initial tuning failed
> > dumping lists (0 services)
> > Done.
>
> Are you sure that /dev/dvb/adapter3/ is your DVB-S card? Do you have 4
> DVB tuners in the system? Numbering starts from zero, and so far you
> have mentioned only the Nova-T 500 and the Nova-S Plus.
>
> When using scandvb from the dvb-apps packages on an old F7 box, I do
> not need to specify any LNB settings on the command-line:
>
> # scandvb -a 0 -x 0 -n /usr/share/dvb-apps/dvb-s/Astra-28.2E
>
> (the DVB-S card is /dev/dvb/adapter0/)
>
> > Also be interested to know if I can assign certain channels to certain
> > tuners ?
>
> In mythtv-setup, you create a videosource containing all the channels
> you want to receive on a particular capture card input. In the case of
> five, you would make sure this is available in your videosource
> attached to your Nova-T 500 inputs. You can have the same channel on
> multiple videosources, and the MythTV scheduler will determine which
> is the best card to use at record time.
>
> Channels are matched on XMLTVID by the scheduler, and it's best to try
> use the same listings source for channels available on multiple
> videosources, to ensure they have the same programming information. I
> use EIT for radio and DVB-S channels (that are not yet carried by the
> RT feed) and use the RT feed for everything else.
>
> > Reason I ask is that I still have my working Nova-T 500 in this
> > backend (working fine, apart from crap freeview signal) And 5 is not on
> > Freesat yet. How would one go about configuring Myth to do that? Also is
>
> When you create your videosource for the DVB-T channels, the channel
> scanner will (or should) find five amongst the list of available
> channels. As long as that channel is assigned to your DVB-T
> videosource, MythTV will be able to record it on your DVB-T inputs
> (i.e. not yet on your DVB-S card)
>
> > the EIT data working with DVB-S ? Or to I have to struggle with the
> > Radio times listings ? If I do, can I use both EIT & RT ?
>
> Latest 0.21-fixes contains Freesat improvements that provide more
> listings data than the previously available now/next DVB-S data for
> Freesat channels. DVB-T EIT is quite stable on MythTV and provides a
> week of rolling listings. The Radio Times feed (I maintain the XMLTV
> uk_rt grabber) provides 14 days of listings for ~ 300 channels in
> total, and is my preferred choice (more detailed information, many
> channel carried etc) but it does require an internet connection. EIT
> obviously works over-the-air, and if you don't have Sky/Virgin, you
> can get away with using the EIT data for most of the popular channels.
>
> The channel scanner in MythTV can handle both DVB-T and DVB-S, but is
> not stable and may crash during scanning. I have found that if this
> happens, re-entering the videosources page and opting to rescan
> existing transports, rather than a full rescan, can pick up any
> channels missed before the crash.
>
> I successfully use both of the cards you have mentioned - so hopefully
> you'll be up and running soon.
>
> Nick
>
> --
> Nick Morrott
>
> MythTV Official wiki:
> http://mythtv.org/wiki/
> MythTV users list archive:
> http://www.gossamer-threads.com/lists/mythtv/users
>
> "An investment in knowledge always pays the best interest." - Benjamin Franklin
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