[vdr] Digital Devices (Linux 4 Media) 4 port (8 tuner) octopus/Duoflex experiences

Oliver Schinagl oliver+list at schinagl.nl
Tue Nov 27 12:34:00 CET 2012


On 27-11-12 10:51, Ralph Metzler wrote:
> Oliver Schinagl writes:
>   > On 27-11-12 10:33, Ralph Metzler wrote:
>   > > Oliver Schinagl writes:
>   > >   > > I'm interested for such information. (I'm looking also for good well supported DVB-S2 device to target multiple satellite)
>   > >   > >
>   > >   > > I've a question for you Olivier. I don't know that brand. Why going to 1 dualtuner board and the octopus. In the same brand you can also use the Cine S2 that could eventually be expended with a dualtuner board for example. What are the limitation?
>   > >   >  From what I know, is that the hardware is nearly identical on both setups.
>   > >   >
>   > >   > The Cine S2 is an octopus with only 2 connectors (which allows 4 extra
>   > >   > tuners) and has 2 onboard tuners, so 6 tuners maximum.
>   > >   >
>   > >   > The Octopus is ONLY the bridge chip (in FPGA form strangly in the latest
>   > >   > revisions, was the nGene before, driver is the same so maybe they got
>   > >   > some IP from micronas to put in the FPGA due to performance/scaling
>   > >   > issues?) but has 4 connectors for expansion cards. So you can connect 8
>   > >
>   > > Micronas has nothing to do with the new bridge. nGene is no longer in production
>   > > and it also lacked inputs and outputs to support more tuners/CIs.\
>   > Well the new FPGA based design uses the nGene driver, so it at the very
>
> No it does not. It uses the ddbridge driver.
>
>
>   > least is compatible on an API front. It would sound somewhat reasonable
>   > that either they re-implemented part of the chip or got some secret IP
>   > from micronas ;)
>
> No, it has nothing to do with Micronas.
>
>
>   >
>   > In any case, there is an FPGA on the board that behaves 'like' the nGene :)
>
> No, it does not.
>
> I do not know how you get this idea!?!?!
I have this strange idea, that I saw the ddbridge reference in the nGene 
driver. Now that you make me look again, I can't find said reference :)

So I stand very much corrected! The conclusion still holds, the ddbridge 
+ duoflex dvb-s2 should be very well supported!
>
> ddbridge is a completely different driver.
>
>
> Regards,
> Ralph
>
> _______________________________________________
> vdr mailing list
> vdr at linuxtv.org
> http://www.linuxtv.org/cgi-bin/mailman/listinfo/vdr




More information about the vdr mailing list