Re: DVB-T2 PCIe vs DVB-S2

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There are indeed a few DVB-T2 PCIe cards that are supported (DVBSky
T9580, T980C, T982C, TechnoTrend CT2-4500 CI, Hauppauge HVR-2205,
Hauppauge HVR-5525 at least come to my mind). PCTV 290e is a USB
device, not PCIe. In the wiki there's currently some issue with the
filtering when it comes to the tables - that's why every PCIe device
is printed instead of just the DVB-T2 supporting ones.

As Jemma points out, the application should be clever enough to tell
the driver that DVB-T2 delivery system is wanted. For the cxd2820r
driver (PCTV 290e) Antti made the "fudge", but has decided not to
implement it in the Si2168 driver (reasoning, to which I
wholeheartedly agree, is here:
http://blog.palosaari.fi/2014/09/linux-dvb-t2-tuning-problems.html ).

When it comes to PVR backends, at least tvheadend supports DVBv5 fully
- I don't have a clear picture of other backends.

Cheers,
-olli

On 26 May 2015 at 17:44, Jemma Denson <jdenson@xxxxxxxxx> wrote:
> On 26/05/15 08:53, Ian Campbell wrote:
>>
>> Hello,
>>
>> I'm looking to get a DVB-T2 tuner card to add UK Freeview HD to my
>> mythtv box.
>>
>> Looking at http://linuxtv.org/wiki/index.php/DVB-T2_PCIe_Cards is seems
>> that many (the majority even) of the cards there are actually DVB-S2.
>>
>> Is this a mistake or is there something I don't know (like maybe S2 is
>> compatible with T2)?
>>
>> Thanks,
>> Ian.
>
>
> That's a mistake - I don't recall that table looking like that when I was
> looking for one, and S2 is quite definitely not compatible with T2!
>
> I can confirm that the 290e works out of the box with myth with very few
> problems, however it's well out of production now and you might not be after
> a USB device. I'm not sure anything else would work without some hacking
> because last I heard myth doesn't do T2 the proper way using DVBv5 yet, and
> afaik only the 290e driver has a fudge to allow T2 on v3.
> (http://lists.mythtv.org/pipermail/mythtv-users/2014-November/374441.html
> and https://code.mythtv.org/trac/ticket/12342)
>
>
> Jemma.
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