Re: [gentoo-user] Oss/Alsa/Pulseaudio: never-ending wars (VBox)

[Mick]

On Wednesday, 19 February 2020 22:08:28 GMT n952162 wrote:
> On 2020-02-19 22:58, n952162 wrote:
> > On 2020-02-19 22:43, Mick wrote:
> >> On Wednesday, 19 February 2020 19:31:08 GMT n952162 wrote:
> >>> Perhaps coincidentally, that's almost identical to what I have on the
host:
> >>>      01~>cat .asoundrc
> >>>      defaults.pcm.!card 1
> >>>      defaults.pcm.!device 0
> >>>      defaults.pcm.!ctl 1
> >>
> >> Isn't the exclamation mark "!" negating what follows it?
> >>
> >> If you are disabling all of them, you'll end up with the default setting,
> >> I
> >> think.
> >
> > Do you have a reference for that?  I haven't been able to work out the
> > logic of what that might mean.
> >
> > That "defaults.pcm.!card 1" might "*disable*" card 1 doesn't seem
> > plausible to me.  If the default is 0, how is that improved by
> > "/disabling/" card 1?  And, how do you assign card 1 to defaults, in
> > that case?
>
> *$ cat /etc/alsa/conf.d/99-pulseaudio-default.conf.example *
> # Default to PulseAudio
>
> pcm.!default {
>      type pulse
>      hint {
>          show on
>          description "Default ALSA Output (currently PulseAudio Sound
> Server)"
>      }
> }
>
> ctl.!default {
>      type pulse
> }
>
> What would the bangs here mean?

I understand the exclation mark in the above statements to mean "change the 
default" to "type pulse", but it has been years since I hacked asoundrc.  Have 
a look here:

https://alsa.opensrc.org/Asoundrc

-- 
Regards,

Mick