[mythtv-users] Fwd: Sempron 3100 lag when viewing HD from 6200 STB

Steve Adeff adeffs at gmail.com
Mon Jan 9 22:22:15 UTC 2006


On Monday 09 January 2006 16:55, Adam Propeck wrote:
> On 1/9/06, Steve Adeff <adeffs at gmail.com> wrote:
> > On Monday 09 January 2006 16:35, Kevin Kuphal wrote:
> > > Adam Propeck wrote:
> > > > Here is some more detail. ( Xrog.conf and some hdparm info) I'm
> > > > wondering if livetv isn't playing well because of the specific
> > > > firewire port/driver? I'm using the single port that comes with the
> > > > audigy 2 PCI card I'm using. Also, I guess I was wondering if I need
> > > > to do anything specific with the fact that I'm using an Nforce 3
> > > > motherboard. Any tweaks that are recommended? Thanks, -Adam
> > >
> > > I think the problem is that fundamentally, the ATI driver does not
> > > provide hardware accelerated MPEG-2 playback and your Sempron cannot
> > > handle the software decoding without choking.  If you had an Nvidia
> > > card that supported XvMC you could enable that which would activate the
> > > hardware decoding and probably give you the performance you expect.
> > >
> > > Kevin
> >
> > I'm going to have to agree, unless someone else is running a Sempron 3100
> > and
> > able to do live HDTV I'm going to have to think this is the case. I know
> > my
> > Athlon64 3200+ has no room to spare playing live HD, I can easily imagine
> > a
> > Sempron of lower clock speed having more trouble.
> > LiveTV requires a bit more resources from mythbackend and mythfrontend
> > from
> > what I've noticed.
> >
>
> Ok, so does anyone have an Nvidia card they'd like to trade for an ATI Fire
> GL X1 - 128MB? hehe. I can hope.
>

AGP? DVI? does it have the pinkbar issue at 1080i?
I'm serious, I don't use XvMC, nvidia doesn't do interlaced on DVI and it 
looks like you are using 1280x720p.

email me off list

-- 
Steve


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