https://bugs.kde.org/show_bug.cgi?id=486533
Bug ID: 486533
Summary: QML SoundEffect Plays choppy from plasmoid in panel
when screen is in dpms off.
Classification: Plasma
Product: plasmashell
Version: 6.0.4
Platform: openSUSE
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: plasma-b...@kde.org
Reporter: kdeb...@schells.com
CC: k...@davidedmundson.co.uk
Target Milestone: 1.0
I have a custom plasmoid that plays a sound when an event occurs. It uses QML
SoundEffect's play method to play the sound.
If the screen is in dpms "off" state the sound plays choppy, like a thread is
waking up every half a second (not an exact time just an example) and playing a
snippet then sleeping. I assume it is a power saving mode as it plays fine
when the screen is on. This is a desktop not a laptop anyway, the system
itself is not in a power saving mode.
STEPS TO REPRODUCE
1. Create a plasmoid that plays a sound with QML SoundEffect
2. Let the screen go to power saving mode such as "xset dpms force off"
3. Call the SoundEffect play() method in the plasmoid with a sound long to hear
the effect.
OBSERVED RESULT
Sound plays choppy, like a portion is played, then stop, then next portion,
then stop, etc.
EXPECTED RESULT
Sound plays normally. (Worked fine prior to Plasma/Qt 6.)
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: openSuse Tumbleweed since Plasma 6 was rolled out a couple
months ago
(available in About System)
KDE Plasma Version: Current 6.0.4 but happened since Plasma 6 first released on
Tumbleweed
KDE Frameworks Version: Current 6.1.0
Qt Version: Current 6.7.0
ADDITIONAL INFORMATION
This bug did not happen under Plasma/KDE/Qt 5.
It makes no sense to have a sound effect play in snippets even when in power
saving mode. Delay the start until you wake up and detect the even sure, but
once a sound is playing the thread needs to stay active long enough to play the
sound for a good user experience.
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