[GRLUG] pulseaudio using a TON of memory

Adam Tauno Williams awilliam at whitemice.org
Thu Jun 2 12:38:27 EDT 2011


On Thu, 2011-06-02 at 09:06 -0400, Steve Romanow wrote:
> iirc, pulse uses a lot of alsa functionality "proxied" so it is not
> always apparent where the problem is.  good troubleshooting John

More or less, but not quite.  Pulse audio can use ALSA devices as both a
source and a sink.  Modern applications stream their audio to Pulse
which multiplexes it to a sink [your sound card, possibly an ALSA
device, but not necessarily]. Many applications accomplish this by
streaming audio to a virtual ALSA device that feeds into Pulse; then
Pulse streams to the actual ALSA device.  There is also some krufty
helper for applications that still use the [ancient] OSS sink.  


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