https://bugs.kde.org/show_bug.cgi?id=460824
Bug ID: 460824
Summary: Displayed time and progress frequently go out of sync
with the actual audio player
Classification: Plasma
Product: plasmashell
Version: 5.25.5
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: Media Player
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Target Milestone: 1.0
Created attachment 153096
--> https://bugs.kde.org/attachment.cgi?id=153096&action=edit
Screen recording of holding down Ctrl at the 0:05 mark for 5 seconds, leading
to a time desync (left: Clementine, right: Media Player applet popup).
SUMMARY
The Media Player applet's displayed time and track progress will frequently get
out of sync with the actual audio player.
STEPS TO REPRODUCE
1. Have the Media Player applet being visible on the Plasma panel's system icon
area and/or assign a keyboard shortcut to calling it.
2. Open Clementine (or any other MPRIS2-capable player like Audacious) and
start playing back a list of tracks.
3. Occasionally open the Media Player applet by clicking on the player icon in
the system icon area or press the keyboard shortcut assigned to the applet.
OBSERVED RESULT
When the Media Player applet popup is displayed, one of the following cases
happens:
a) the displayed time stays at 0:00 and doesn't move, despite music playing
b) the displayed time is out of sync with the audio player but is progressing
on its own (either directly starting at 0:00 or at a previous timestamp)
c) the displayed time is actually correct and in sync with audio player
If out of sync, the time will not update to the correct value until the track
changes or the position is changed explicitly in the audio player.
Furthermore, holding down a keyboard modifier (e.g. Alt or Ctrl) while the
Media Player applet popup is displayed from the system icon area, time
progression on the applet will freeze while the key is held down and the
displayed progress will get increasingly out of sync as well. See the attached
screen recording.
If adding the Media Player applet to the desktop, it is unaffected by the
modifier key interrupt but may run out of sync on its own.
EXPECTED RESULT
The progress bar and time label on the applet popup and desktop version should
always reflect the current state of the playback correctly.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma:
KDE Plasma Version: 5.25.5
KDE Frameworks Version: 5.98.0
Qt Version: 5.15.2
Debian GNU/Linux 11
ADDITIONAL INFORMATION
Reproduced with the audio players Clementine and Audacious, on both X11 and
Wayland.
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