[mythtv-users] HD PVR: What does "13.5 Mbps" mean?

jedi jedi at mishnet.org
Sun Apr 6 00:29:25 UTC 2008


On Sat, Apr 05, 2008 at 09:47:39AM -0600, Chad wrote:
> > I would also like to know, once we get Linux drivers, how beefy of a CPU is
> > required.  The specs from Hauppauge says a dual core but in Windows can get
> > away with lower CPU as it does video card offload.  What will be a
> > requirement for this?  Are the apple video 1080p trailers comparable?   I'm
> > just hoping my AMD X2 5700 (dual core 2.7ghz) will be able to keep up.
> 
> The apple video trailers are somewhat comparable, but they aren't
> "maximum" so it isn't a good means of testing out the theoretical
> maximum your system can do.

OTOH, it represents a potentially useful transcoding target. If
the HD-PVR is flexible enough (much like a PVR150) can be, perhaps 
it can be configured to avoid this problem.

> 
> > One huge disadvantage of this devices (thanks to nvidia) is our miniumum CPU
> > requirements will go up AGAIN!  Unless Nvidia ever blesses up with h.246
> > offload in XvMC.
> >
> > Mitchell
> 
> This is really why it's so nice (and very important) to keep your eye
> on Intel.  They are working on this type of acceleration with their
> integrated chipsets.  We will have an open-source vendor creating open
> source drivers that work with our new h.264 media; that is better than
> just about anything Nvidia can currently offer me.



More information about the mythtv-users mailing list