On Monday 09 January 2006 16:58, Curtis Stanford wrote: > On Jan 9, 2006, at 2:49 PM, Steve Adeff 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. > > > > -- > > Steve > > That seems like a lot of power! I'm decoding HD (live and recorded) > on an old 2.4G Pentium4. Using the nvidia driver without XVMC I'm > seeing about 50% CPU usage. An Athlon64 3200+ should kick my butt. Or > is it an ATI problem?? > > Curtis
weird, I've got an nvidia card. I'm using top and showing that mythfrontend+Xorg ~70-98% cpu usage for live and recorded 1080i playback, it could be that my output is 1280x720 since nvidia can't do interlaced output over DVI. Its much lower for 720p playback. I bet thats it, resizing... -- Steve _______________________________________________ mythtv-users mailing list [email protected] http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
