[linux-dvb] Re: Linux HDTV

[Brian Foddy <bfoddy@visi.com>]

way cool, thanks for the tip.

On Sunday 23 February 2003 01:20 pm, Daniel Schmelzer wrote:
> Hi Guys--
>
> This subject comes up about every half year or so.  The difference this
> time is that options are quickly becoming available.
>
> A couple of Korean startups are putting out 8VSB/ATSC reception cards for
> the Korean market that rely on software MPEG-2 decoding.  Korea uses the
> same standard as the United States and Canada for HDTV, so it's mainly just
> a matter of translating for the North American market.  The nice thing
> about these cards is that we have a ton of open source code for the chipset
> that they are using--the Conexant Fusion 878A.  Please see the following
> AVS Forum thread for more details...
>
> http://www.avsforum.com/avs-vb/showthread.php?s=&threadid=209915
>
> The thread discussion revolves around Windows, but there is code available
> for Linux as well.  Mainly just take what has been pieced together in the
> GNU Radio project for software MPEG-2 decoding plus the Fusion 878A DVB-S
> bridge code in this project (done for the Pinnacle TV-Sat that also uses
> the Fusion 878A--haven't checked on the status of this for a while).  I'm
> sure that there are overlaps and perhaps not all of the gaps have been
> filled in, but I think that things are looking up, finally.
>
> Regarding the GNU Radio project and HDTV, they are doing some wild stuff
> (in a good way), which I have followed and contributed some data to over
> the last year.  Very interesting, especially for those of us who live in
> concrete canyons with multipath problems.
>
> Good luck and it's nice to bring good news for HDTV w/Linux for a change.
> ;-)
>
> Regards--
>
> Dan
>
> From: Brian Foddy <bfoddy@visi.com>
>
> >To: Mark Lehrer <mark@knm.org>
> >CC: linux-dvb@convergence.de
> >Subject: [linux-dvb] Re: Linux HDTV
> >Date: Sun, 23 Feb 2003 12:46:38 -0600
> >
> >$30k, ouch.  And if the card makers are bound by the same NDA,
> >that may be a major reason why they don't release specs.
> >
> >I saw the Slashdot article also, it looks interesting.  However
> >as I understand it, there would be a couple problems.
> >1.  The card they use to do the A-D conversion is $1300.
> >     That takes it well out of even the expensive hobby range.
> >     But far cheaper than $30,000.
> >2.  I'd be concerned if the process running completely in software
> >    could be fast enough with todays processors to be real-time
> >    so as to create a time shifting system.
> >I'll definately keep an eye on the project, I subscribed to their mailing
> >list.  And its very possible I'm not understanding their project well
> >enough
> >to make a judgement.
> >
> >As for doing my own reverse engineering of a card, that is quite
> >a jump from my current skills also.  I've never tried to r-e anything
> >like that, but I'll never say never.  To get a true timeshifting HDTV
> >box would really be great.
> >
> >Thanks for the info.
> >Brian
> >
> >On Sunday 23 February 2003 12:46 am, Mark Lehrer wrote:
> > > I have been looking into this myself for awhile.  It looks like all
> > > of the affordable HDTV cards use the same chipset, Teralogic, which
> > > will not release the programming information necessary without a
> > > significant fee ($30k plus NDA when I called them)
> > >
> > > I am not quite skilled enough to reverse engineer a driver like
> > > that.
> > >
> > > There was a story on Slashdot recently about a GNU project to do
> > > this, check it out.
> > >
> > > Mark
> >
> >--
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