[linux-dvb] Re: US HDTV cards

[Holger Waechtler <holger@convergence.de>]

dvb01@weaselworkz.com wrote:
> Hi All,
>
> Some HDTV tuner cards are now available in the US, which appear to be
> similar to DVB cards, so I am wondering if anyone here has some
> thoughts on using the DVB drivers with HD cards.
>
> The card I have, the FusionHDTV, is based on the bt878 chip, with a
> Philips NTSC/ATSC tuner, and an Oren demodulator.  (
> http://www.dvico.com/products_mul_hd.html )
>
> I have used the bttv driver, and it recognizes the bt878, but
> doesn\'t display anything.
So you probably only have to write the frontend driver. Don't know if 
any documentation for your demodulator chip is available, you'll 
probably have to do some reverse engineering of the Windows driver and 
maybe some protocol sniffing on the communicatio bus between PCI bridge 
and demodulator. Maybe they use i2c, maybe just a microcontroller bus 
protocol.


> Are any DVB cards based on similar hardware?  Any chance of saving an
> ATSC stream to disk with this card using DVB drivers?
When you wrote the frontend driver everything should work fine.

Holger



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