Microphone stopped working in Frefox and Chrome

[Matthias Apitz]

El día sábado, enero 23, 2021 a las 01:54:57a. m. +0100, Tomasz CEDRO escribió:

> On 1/21/21 3:49 PM, Tomasz CEDRO wrote:
> > Microphone stopped working in Frefox and Chrome. It works fine with
> > Audacity. I am unable to attend videocalls anymore from a FreeBSD box
> > where is worked fine recently.. no matter if google chat or zoom :-(
> > 
> > Did anyone observe such problem?
> 
> It seems something got broken on PulseAudio or Firefox / Chrome. I am
> working on recent 12.2-RELEASE AMD64. Microphone works in other applications
> (i.e. Audacity).
> 
> Quick fix is to use OSS backend in OSS over about:config in Firefox:
> media.cubeb.backend                             oss
> media.cubeb.input_voice_routing                 true
> media.cubeb.output_voice_routing                true

Tomasz,

I'm on:

FreeBSD c720-r368166 13.0-CURRENT FreeBSD 13.0-CURRENT #23 r368166M: Thu Dec 17 13:12:37 CET 2020     guru at c720-r368166:/usr/obj/usr/src/amd64.amd64/sys/GENERIC  amd64

and FF works with 'pulseaudio --start'. I do not say 'works fine'
because I have to restart pulseaudio and FF after plug-in an USB headset
to get it recognized as /dev/dsp2. After plugin I have:

$ cat /dev/sndstat
Installed devices:
pcm0: <Intel Haswell (HDMI/DP 8ch)> (play)
pcm1: <Realtek ALC283 (Analog 2.0+HP/2.0)> (play/rec)
pcm2: <USB audio> (play/rec) default
No devices installed from userspace.

$ ls -C1 /dev/dsp*
/dev/dsp0.1
/dev/dsp1.0
/dev/dsp1.1
/dev/dsp1.2
/dev/dsp1.3
/dev/dsp1.4
/dev/dsp2.0   <**** USB headset

Do you know if the above problem (restart of ....) could be solved?
Do you have any special 'about:config' for FF with pulseaudio?

I found this echo test page https://janus.conf.meetecho.com/echotest.html 
extremely useful when trying to solve sound (and video) problems in FF.

HIH

	matthias


-- 
Matthias Apitz, ✉ guru at unixarea.de, http://www.unixarea.de/ +49-176-38902045
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