On Jan 9, 2006, at 3:21 PM, Steve Adeff wrote: > 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
Yes, my TV only does 720p. _______________________________________________ mythtv-users mailing list [email protected] http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
