https://bugs.kde.org/show_bug.cgi?id=362476

Ralph Moenchmeyer <r...@anracon.de> changed:

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--- Comment #5 from Ralph Moenchmeyer <r...@anracon.de> ---
I do have exactly the same problem and confirm the basic findings of mathojojo. 

I am using Opensuse Leap 42.1 - fully updated. I have deactivated Pulseaudio
(because it still is a mess for many multichannel cards). 

I use various .asoundrc-files for different purposes - they contain definitions
of virtual PCM devices - which by the "hint"-directive should be displayed
aside the hardware devices in KDE's  phonon overview/setup dialog:  

Using KDE's "systemsettings -> multimedia" you should get a full overview over
all available sound devices - which in my case are quite many. But I just get
one lonely entry: "Default" (with a small icon indicating an Alsa device). 

Actually, with KDE 4 all my devices were/are fully displayed. The most
confusing thing is: 

Both the present VLC and Amarok versions under Opensuse Leap do deliver a
complete list of all available Alsa sound devices (real and virtual)! See the
attachment for Amarok. There is a ALSA  device ALSADEF listed which was defined
as a plug-device in the .asoundrc.  

However, KDE's systemsettings leads to the almost empty list => So KDE 5 (at
least in Opensuse Leap) in fact obstructs the opportunity for the user to
select and test both defined HW sound devices and virtual Alsa PCM plug
devices. Just, as mathojojo has described it ... 

In may opinion this is a major bug - KDE's Phonon GUI interface should support
and display all Alsa devices. With Pulseaudio (PA) active or not ! 
With Pulseaudio (PA) activated  I - in complete agreement with mathojojo  - at
least see most of the HW devices - but not with PA deactivated. 

So, there is something wrong - and our findings somehow indicate that the
present KDE/systemsettings/Phonon GUI-interface relies on some parts of PA
being active.

As I find the bug for a different distribution than  mathojojo I think that
this bug is distribution independent. 

And it leads to a major problem for users which want to work with pure Alsa. 

Dear KDE developers: Please be aware of the fact that there are still users
which for good reasons do not use Pulseaudio. 

I want to kindly ask you to investigate this problem a bit deeper. Believe me :
This bug has been around for almost a year now. From my side I shall deliver
all data required to find the origin of this strange behavior of KDE's  user
interface to Phonon - when PA is deactivated. 

Please tell us, what information you need.

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