[MPlayer-dev-eng] Re: Make -nortc the default?
Corey Hickey
bugfood-ml at fatooh.org
Sat Sep 9 01:19:16 CEST 2006
Uoti Urpala wrote:
> On Fri, 2006-09-08 at 18:12 +0000, Carl Eugen Hoyos wrote:
>> - -nortc typically saves 10% CPU time on playback.
>> That often makes the difference when trying to play HD content (or just H264).
>> (That's on an AMD 2600+ running SuSE 10.0, 2.6.13)
>
> MPlayer becoming that much faster when running alone sounds surprising.
> Can anyone else confirm this?
I cannot detect any difference between -rtc and -nortc. My test
methodology is to:
1. Use this file:
http://images.apple.com/movies/us/hd_gallery/gl1800/1080p/bbc-japan_1080p.mov
2. mplayer bbc-japan_1080p.mov -rtc
(observe that mplayer says my system is too slow at "A: 28.1")
3. mplayer bbc-japan_1080p.mov -nortc
(observe exactly the same result)
I also tried with -v to make sure mplayer was using the requested timing
sources. It was indeed.
Is there a better way to test this?
Athlon64 3400+ (a bit overclocked)
Debian (amd64)
2.6.17-beyond1 (ck patchset + misc other stuff)
kernel CONFIG_HZ=1000
-Corey
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