[MPlayer-dev-eng] [PATCH] fix for -srate bug

D Richard Felker III dalias at aerifal.cx
Tue Oct 19 21:29:42 CEST 2004


On Tue, Oct 19, 2004 at 04:07:19PM +0100, Ed Wildgoose wrote:
> Do you have any benchmarks of the performance of the highest quality 
> encoder in mplayer on your 500Mhz machine?  It would be interesting to 
> compare.  On my P2.8 it takes around 45% CPU (well, something of that 
> order), to do 6 channel conversion using mplayer (from 48Khz to 44Khz) 
> on highest quality.

can you explain what you mean by "on highest quality"? i just tried
and got the following results:

-af resample=44100:0:2 (exact freq float resample): produces white noise
-af resample=44100:0:1 (exact freq integer resample): 10.1%
-af resample=44100:1:1 (inexact freq integer resample): 10.1%
-af resample=44100:0:0 (linint): 7.2%

these percentages are the audio percentage from mplayer statusline.
they should be approximately accurate with low system load and as long
as the system is fast enough to play the movie.

rich




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