https://bugs.kde.org/show_bug.cgi?id=481979
Bug ID: 481979
Summary: No audio and video play in information panel (After
upgrade to qt6 and plasma6)
Classification: Applications
Product: dolphin
Version: 24.02.0
Platform: Neon
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: panels: information
Assignee: dolphin-bugs-n...@kde.org
Reporter: someanonymousema...@mail.ru
CC: kfm-de...@kde.org
Target Milestone: ---
SUMMARY
After yesterday big update to plasma6 there is no more audio and video play
preview at information panel.
STEPS TO REPRODUCE
1. Update to latest kde neon
2. Choose mp3 or mp4 file in Dolphin and try to click play button at info
side-panel
3. Nothing happens, and timeline control in preview area are grayed (like
«function inaccessible for now»)
EXPECTED RESULT
Play of audio/video file in small preview area in info panel.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Neon Latest
KDE Plasma Version: 6
KDE Frameworks Version: 6
Qt Version: 6
ADDITIONAL INFORMATION
When start Dolphin from Konsole, I've got many lines of warnings like this:
```
kf.kio.core: An error occurred during write. The worker terminates now.
WARNING: bool Phonon::FactoryPrivate::createBackend() phonon backend plugin
could not be loaded
WARNING: bool Phonon::FactoryPrivate::createBackend() phonon backend plugin
could not be loaded
WARNING: Phonon::createPath: Cannot connect Phonon::MediaObject ( no
objectName ) to EmbeddedVideoPlayer ( no objectName ).
WARNING: bool Phonon::FactoryPrivate::createBackend() phonon backend plugin
could not be loaded
WARNING: bool Phonon::FactoryPrivate::createBackend() phonon backend plugin
could not be loaded
WARNING: bool Phonon::FactoryPrivate::createBackend() phonon backend plugin
could not be loaded
WARNING: bool Phonon::FactoryPrivate::createBackend() phonon backend plugin
could not be loaded
WARNING: Phonon::createPath: Cannot connect Phonon::MediaObject ( no
objectName ) to Phonon::AudioOutput ( no objectName ).
```
Those messages generated when I've clicked on audio or video files in
directory.
Before yesterday big update all worked fine. Maybe, during update, when
Discover audo-deleted 2-3 dozens of packages — it didn't install package or
plugin for this function of media-preview? Maybe I need to install something
else? I've installed manually `pkcon install phonon-backend-gstreamer` but
nothing changed, it didn't help.
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