https://bugs.kde.org/show_bug.cgi?id=452191

            Bug ID: 452191
           Summary: juk resets volume to -2,147,483,648% for every song
                    played
           Product: juk
           Version: 21.12.3
          Platform: Neon Packages
                OS: Linux
            Status: REPORTED
          Severity: critical
          Priority: NOR
         Component: general
          Assignee: whee...@kde.org
          Reporter: lulosals...@gmail.com
                CC: mp...@kde.org
  Target Milestone: ---

SUMMARY

juk is somehow getting "nan" values from Phonon::AudioOutput and interpreting
it as -2 million% volume. This gets reset every time a new track is played.


STEPS TO REPRODUCE
1. Open juk
2. Pick and song, in our case an mp3, double-click to play, or if already
playing a song, click the forward track button

OBSERVED RESULT

Notice there's no audio sound. 
Click the juk volume speaker icon in the upper-right corner of the window and
notice that the volume is set to -2,147,483,648% (what the heck?)
Click on the volume slider to make the percentage to be higher, like 100%, to
confirm that the audio can be heard now.
Click Next track button.
Same issue, audio volume gets reset to -2 millon% (lol).

Looking in the ~/.config/jukrc configuration file, there is this value:

[Phonon::AudioOutput]
JuK_Volume=nan

"nan" means "not a number", right? If this is manually changed to a value like
100, and juk is restarted, then the entry gets reset to nan again.


EXPECTED RESULT

Audio volume should remember its last value.

SOFTWARE/OS VERSIONS

Operating System: KDE neon 5.24
KDE Plasma Version: 5.24.4
KDE Frameworks Version: 5.92.0
Qt Version: 5.15.3
Kernel Version: 5.13.0-39-generic (64-bit)
Graphics Platform: Wayland
Processors: 8 × Intel® Core™ i5-8250U CPU @ 1.60GHz
Memory: 7.6 GiB of RAM
Graphics Processor: Mesa Intel® UHD Graphics 620

ADDITIONAL INFORMATION

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