[mythtv] unichrome pro update

Jarod Wilson jarod at wilsonet.com
Thu Apr 21 19:04:40 UTC 2005


On Thursday 21 April 2005 00:02, Ivor Hewitt wrote:
> On Thursday 21 Apr 2005 01:56, Jarod Wilson wrote:
> > On Tuesday 19 April 2005 15:01, Ivor Hewitt wrote:
> > > For anyone adventurous... there's a new unichrome driver snapshot
> > > available at:-
> > >
> > > http://myth.ivor.org/unichrome
> > >
> > > Hardware mpeg decoding should now work for Unichrome-pro chipsets.
> > > HDTV decoding should also now be possible on the pro.
> >
> > I recall you saying something about a 1GHz C3 being pretty much pegged
> > for 1080i playback. Is that still the case, or is there a bit more
> > headroom now? I'm lookin' at that fanless 800 EPIA SP board...
>
> Hi Jarod,
>
> I haven't had time to benchmark recently.... and I only have a single 1080
> hdtv sample.. which might not be representative of current broadcast hdtv
> so a pointer to a sample or two would be handy.

There's a 1080i clip on the pcHDTV web site you can grab (roughly 35MB):

http://www.pchdtv.com/downloads/tst.tar

Its actually a .ts file, not a tar file, just rename it rather than try to 
untar. If you need/want more clips, I can just dump a few off my cable box 
right quick and get 'em to ya.

> In theory the load should have come down with some of Thomas's recent
> changes.
>
> The fact that Thomas managed 9% cpu utilisation with the CN400 on a non C3,
> suggests that it isn't a hardware decoding problem but a memory moving
> problem or something like that. So if we can track that down the load
> should drop too.

I think I'll start saving up for one of those puppies...

-- 
Jarod Wilson
jarod at wilsonet.com
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