KMix and more than one sound device

[Tobias C. Berner]

Hi Matthias

Sorry for the long delay. I will look into this as soon as I have some time.


mfg Tobias

On 19 June 2017 at 15:01, Matthias Apitz <guru at unixarea.de> wrote:
> El día lunes, junio 19, 2017 a las 01:02:58p. m. +0200, Matthias Apitz escribió:
>
>>
>> Hello,
>>
>> I have configured in KDE 4.14.x for sound control:
>>
>> System Settings --> Shortcuts and Gestures --> Global Keyboard Shortcuts --> KMix
>>
>> Alt + f8   --> Mute
>> Alt + f9   --> Decrease Volume
>> Alt + f10  --> Increase Volume
>>
>> This works fine with the default (internal) sound device. But when I
>> plug-in an USB audio headset, the default device is switched correctly
>> to the USB audio which works fine to and the 'mixer' command line works to:
>>
>> $ cat /dev/sndstat
>> Installed devices:
>> pcm0: <Intel Haswell (HDMI/DP 8ch)> (play)
>> pcm1: <Realtek (0x0283) (Analog 2.0+HP/4ch)> (play/rec)
>> pcm2: <USB audio> (play/rec) default
>>
>> # tail /etc/sysctl.conf
>> ...
>> #
>> # last attached snd device gets 'default'
>> # see man sound(4)
>> hw.snd.default_auto=2
>>
>> # mixer
>> Mixer vol      is currently set to  75:75
>> Mixer pcm      is currently set to  75:75
>> Mixer mic      is currently set to   0:0
>>
>>
>> What is not working, is controlling the mixer with the Alt+F.. keys. It
>> seems that KMix does not see the switch to the new device.
>>
>
> KMix sees all sound devices which are present on KDE startup. A later
> plug-in needs a restart of KDE. Then all is fine.
>
> Si the questions is more: why it does no see new pluged-in devices?
>
>         matthias
> --
> Matthias Apitz, ✉ guru at unixarea.de, ⌂ http://www.unixarea.de/  ☎ +49-176-38902045
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