On Tuesday 10 January 2006 00:22, Curtis Stanford wrote: > On Jan 9, 2006, at 5:04 PM, Steve Adeff wrote: > > On Monday 09 January 2006 17:31, Curtis Stanford wrote: > >> 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. > > > > strange, I don't know. what version nvidia driver? what xorg version? > > maybe its that I'm running Debian64? > > > > any others with Athlon64 3x00+ care to chime in? > > I'm using xorg-6.8.2 and the latest nvidia driver. I'm playing a > 1080i stream right now down converting to 1280x720 and getting 35% > CPU usage. Kernel is 2.6.14.2 on a 2.4G P4. > > Curtis
hrm, I believe I have 6.9.0, I'll try and downgrade see if its Xorg. -- Steve _______________________________________________ mythtv-users mailing list [email protected] http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
