The Great Pulseaudio Mixer Debate: a modest (productive) proposal
Basil Mohamed Gohar
abu_hurayrah at hidayahonline.org
Wed Apr 29 13:12:53 UTC 2009
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On 04/29/2009 08:21 AM, Callum Lerwick wrote:
> 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 at gmail.com>
>>> To: fedora-devel-list at 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.
>
Not sure if this is the right place to post this, but I also have a huge
CPU hit on my 4+ year old laptop, and I am sure that it handles
different sampling rates without much difficulty.
So, my question is, what logs can I check to find out if this is
happening (if I understood the message correctly)?
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