[mythtv-users] Unreasonably high CPU usage when playing HD content? Suggestions?

[Michael T. Dean]

On 04/06/2008 08:58 AM, Jason Keirstead wrote:
> Hi all. I have recently built from scratch a new system for play myth
> SD and HD content frmo a DVB-S source.
>
> The system is a dual core AMD Athlon64 6400 @ 3.2 ghz, with 2 GB RAM,
> ATI 690G chipset.
>
> The system seems to work great for playing SD content, which it can
> due utilizing around 20% of one CPU.
>
> But to my surprise it can't seem to handle HD content. No matter what
> decoder or deinterlacer I select, I get up to 95%-100% CPU, and the
> system starts choking.

Choose the (unmodified) Slim playback profile for 0.20-like software
decode or the (unmodified) CPU-- playback profile for 0.20-like XvMC
decode.  If you modified them,
http://www.mythtv.org/wiki/index.php/Playback_profiles#Default_profile_groups

Mike