[pulseaudio-discuss] Odd app behavior with PULSE_PROP="filter.want=echo-cancel"

[Georg Chini]

On 12.02.2018 20:15, Raman Gupta wrote:
> When I start Zoiper with PULSE_PROP="filter.want=echo-cancel", it
> demonstrates some odd behavior. It ends up creating many Echo-Cancel
> Sink and Source streams, and I am unable to select my USB headset as
> the source of any of them.
>
> I think, based on the discussion around a recent crasher bug I
> reported, Zoiper is trying to be too clever, without being clever
> enough, and is actually trying to open up various streams to all of
> the Pulse Input and Output devices. Is this just a Zoiper issue, or is
> there something I can do on the Pulse side to solve this?
>
> I think one option is load the echo-cancellation module once in
> /etc/pulse/default.pa and then use the volume control to manually hook
> up Zoiper to that module.
>
> Regards,
> Raman
> _______________________________________________
Hi,

can't you tell zoiper which devices to use? And can you provide
a log (beginning when you start zoiper) so that we can see what
actually happens?

Regards
              Georg