[MPlayer-dev-eng] MP3 demuxing is too slow

Arpi arpi at thot.banki.hu
Thu Mar 21 20:39:49 CET 2002


Hi,

> Each sample counts as 0.01 seconds.
>   %   cumulative   self              self     total           
>  time   seconds   seconds    calls  us/call  us/call  name    
>  47.96      0.47     0.47        4 117500.00 117500.00  demux_mpg_fill_buffe
> r

> mplayer is using way to much CPU power just to demux the stream. Anyone
> having an idea why?

**ARGH**

I've already explained when you first complained to demuxer...

your profiling is simply bad.
it counts the code running at detection pass too.
if you at least thinking, you'll see that demux_mpg_fill_buffer is NOT part
of mp3 playback, it's used by mpeg _video_ file demuxer.
it's only called when trying to open the file as mpeg video...

please stop saying that the demuxer is slow. it is not slow.


A'rpi / Astral & ESP-team

--
Developer of MPlayer, the Movie Player for Linux - http://www.MPlayerHQ.hu



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