On Mon, 2009-04-27 at 13:59 -0400, Ben Boeckel wrote:
> Subject: Re: The Great Pulseaudio Mixer Debate: a
modest (productive)
> proposal
> From: Ben Boeckel <MathStuf(a)gmail.com>
> To: fedora-devel-list(a)redhat.com
> Date: 04/27/2009 10:12 AM
>
>> I've had X lock up or temporarily freeze and
kaffeine
>> (playing through PA via xine) still plays. The only
way
>> I've been able to get it to skip is to force
basically
>> everything into swap with programs that take up 3+GB
of
>> RAM (making markov chains from big.txt takes...quite
a
>> bit in duck-typed languages). Maybe it's the dual
core
>> 3.0GHz, but I've found it hard to skip apps using
PA.
>> PA is taking 0% CPU and kaffeine jumps to 1% playing
>> flac files. Also, PA hasn't even jumped towards the
top
>> of usage at all in the past few minutes.
>
>
> That's amazing, because I have a 3ghz dual core and
PA takes ~10% CPU to
> play FLAC from Rhythmbox and can skip if I'm doing a
lot of work - say
> ffmpeg transcoding and moving files. Intel HD audio
(yes, generic)
> Analog Devices chip.
>
Maybe its a difference between xine and gstreamer?
% lspci | grep -i audio
00:1b.0 Audio device: Intel Corporation 82801JI (ICH10
Family) HD Audio Controller
Check your logs. This is quite possibly the difference between "My
hardware does 44.1khz natively" and "My hardware only does 48000khz and
playing anything but a DVD requires resampling". Later Intel chipsets
all seem to be the latter.