[mythtv-users] mythfrontend vs mplayer cpu usage

Al McIntosh al at allanmcintosh.com
Tue Nov 11 01:30:52 UTC 2008


On Mon, Nov 10, 2008 at 8:22 PM, Johnny Russ <jruss at mit.edu> wrote:

> On Mon, Nov 10, 2008 at 8:12 PM, Michael T. Dean <mtdean at thirdcontact.com>wrote:
>
>> On 11/10/2008 08:03 PM, Al McIntosh wrote:
>> > The card does not support XVMC, so we can rule that out.
>> >
>> > I have the following in my frontend output:
>> >
>> > 2008-11-10 19:15:58.470 TV: Changing from None to WatchingPreRecorded
>> > Initialize Yadif Deinterlacer. In-Pixformat = 1 Out-Pixformat=1
>> > yadifdeint: size changed from 0 x 0 -> 720 x 480
>>
>> Yadif = chew up CPU
>>
>> Set your playback profile group to the default configuration of Slim and
>> you'll get a more realistic comparison (although chances are MPlayer is
>> not doing any deinterlacing at all, so really to compare, you'd have to
>> enable a similar-quality deinterlacer).
>>
>>
> I totally agree if you are only interested in making a comparison with
> mplayer. However, since your CPU can handle it (you indicated 50%
> utilization), you may find it is worth the extra CPU cycles to use one of
> the better deinterlacers. Whether it is worth it or not would depend on your
> setup and your personal preferences.
>


I was really just curious as to what the difference was. Deinterlacing did
not cross my mind to be the culprit.

Thanks this has been helpful.
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