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Re: [MPlayer-users] audio filters drain the cpu

To: "MPlayer usage questions, feature requests, bug reports" <mplayer-users@xxxxxxxxxxxx>
Subject: Re: [MPlayer-users] audio filters drain the cpu
From: Rich Felker <dalias@xxxxxxxxxx>
Date: Wed, 14 Dec 2005 22:49:07 -0500
Delivered-to: itdp@localhost
Delivered-to: mplayer-users@mplayerhq.hu
In-reply-to: <43A07F02.1070302@yahoo.se>
References: <43A07F02.1070302@yahoo.se>
User-agent: Mutt/1.3.25i 
On Wed, Dec 14, 2005 at 09:22:26PM +0100, Fredrik Eriksson wrote:
> playing a audiofile like
> 
> mplayer music.mp3
> 
> works just fine, without any notable cpu usage. However, trying to use a 
> audiofilter, like
> 
> mplayer -af sub music.mp3
> 
> or
> 
> mplayer -af surround music.mp3
> 
> the cpu usage goes up to over 90% (amd64 3500+). This happens both with 
> pre7 and the cvs. I'm starting to think this is a alsa problem, but I 

If you think it's an ALSA problem why not try -ao oss and see if the
problem goes away? That would narrow it down a lot.

Rich

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