[pulseaudio-discuss] Unload echo-cancel devices

Arun Raghavan arun.raghavan at collabora.co.uk
Thu Apr 11 22:02:49 PDT 2013

On Wed, 2013-04-10 at 23:34 -0700, Lazar Doru wrote:
> Hi there!
> I have a question. I'm developing a conference application, and
> therefore I am using
> the PulseAudio echo-cancellation. Every time I'm creating an
> echo-cancelled stream,
> PulseAudio will create a new source/sink for the stream, but when I
> disconnect/remove
> the stream, PulseAudio does not unload the source/sink created for it
> right away.
> My question is: Is there a way to manually unload the source/sink or I
> shouldn't worry
> about them?

You should just be setting the filter.want property to 'echo-cancel' and
let PulseAudio manage loading the canceller where appropriate.


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