[pulseaudio-discuss] inserting filter module into PA-ofono-bluez system

Arun Raghavan arun at arunraghavan.net
Sat Jul 7 04:11:48 UTC 2018

On Thu, 5 Jul 2018, at 12:39 PM, dev at rivaretica.com wrote:
> We have a relatively stable working setup behaving like a Bluetooth 
> headset (PA 11.1 + ofono 1.21 + bluez).
> When we try to insert a filter module (for example the original 
> module-virtual-sink.c) by simply loading the module, after few seconds 
> the module changes from "state: RUNNING" to "state: CORKED". Server log 
> output at level 4 is not saying much. The effect on the audio stream 
> during the few seconds of working varies from nothing (if using the 
> original module-virtual-sink.c) to clicking noise (if copy from src to 
> dst is omitted.)
> Is there anything special with this setup that prevents sample virtual 
> sink module from stable running ?

The default configuration that PulseAudio ships with loads module-suspend-on-idle which suspends all sinks if there is no stream connected (not counting filter sink connections).


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