[mythtvnz] CPU Usage on Sony HD demo channels on DVB-T Channels on Linux/Mythtv

Steven Ellis steven at openmedia.co.nz
Sat Feb 9 04:04:45 GMT 2008


On Sat, February 9, 2008 4:45 pm, Craig Whitmore wrote:
> I have an AMD 4800+ CPU with 2G of RAM . Nvidia Graphics Card.
>
> Watching The TV1/TV2.. Sony Demos on DVB-T under Mythtv (Sound but no
> Audio as mythtv 0.21 doesn't know about the LATM transport for sound (I've
> checked the mythtv sources)
>
> Xorg uses near 100% and mythfrontend uses 100% as well (both CPU's)
>
> 25745 root      20   0  115m  94m  38m R   99  5.3  22:34.30 Xorg
> 25753 mythtv    20   0  292m 176m  67m S   89 10.0  22:36.55 mythfrontend
> 26041 mythtv    20   0  240m  36m 9.8m S    3  2.0   0:06.56 mythbackend
>
> And I get it jumping a little at times.. Seems ppl will need a faster CPU
> than the AMD 4800+ to watch the HD stuff without skipping. Testing Under
> Windows as well the machine goes to 100% watching DVB-T with similar
> jumpping.

Have you tried with Mplayer SVN on the same hardware. I'm getting perfect
playback on a single core on my Intel T2400 laptop. I'm just patching one
of myPVR units to  have a try as well.

Steve

--------------------------------------------
Steven Ellis - Technical Director
OpenMedia Limited - The Home of myPVR
email   - steven at openmedia.co.nz
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