[linux-dvb] Re: osd for nova ?

[Klaus Schmidinger <Klaus.Schmidinger@cadsoft.de>]

Holger Waechtler wrote:
> 
> Hi Klaus,
> 
> Klaus Schmidinger wrote:
> >
> > If the card doesn't have OSD capabilities, there's of course no point in
> > having OSD functions in the driver for such a card. However, the DVB-S card
> > I'm using does have OSD capabilities and A/V out - and I want to be able to
> > use these.
> 
> Well, it's there and you can use it. But you can't expect much
> portability and flexibility.
> 
> >>What do you think about an DirectFB user interface for VDR?
> >
> > That would mean I need an extra graphics card to display the OSD, right?
> > Plus I would have to route the video through the graphics card and connect
> > the tv to the graphics card. Why should I want to do that if my DVB card
> > already has an A/V out plus OSD?
> 
> Because it's portable, you can use more colors, and you can run your
> programs on any card? The DirectFB MPEG2 videoprovider can even do
> software MPEG decoding when necessairy. And there is a DirectFB port for
> the dbox2 too, so you can use a silent 'real' STB in your living room
> and let the Harddisks mounted via network somewhere where the noise does
> not matters.
> 
> > The OSD classes in VDR should be encapsulated enough to allow somebody who
> > really wants to do this to implement an alternative OSD. However, you shouldn't
> > drop OSD support for those DVB cards that actually have OSD capabilites.
> 
> We won't do this too soon, but the current AV7110 based PCI cards might
> stay the only cards ever which implemented this OSD API.

Well, if somebody wants a DirectFB version of VDR, he/she can implement a derived
cDevice class and do everything necessary in there. Should work with the current
VDR developer version - Andreas Schultz for example has done this for the DXR3 cards
(hope I got the card name right).

Klaus
-- 
_______________________________________________________________

Klaus Schmidinger                       Phone: +49-8635-6989-10
CadSoft Computer GmbH                   Fax:   +49-8635-6989-40
Hofmark 2                               Email:   kls@cadsoft.de
D-84568 Pleiskirchen, Germany           URL:     www.cadsoft.de
_______________________________________________________________


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