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how to install video wallpaper on KDE neon?

ericci
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Hi, I installed KDE neon 5.15.1. Previously I have Kubuntu 18.04.
On Kubuntu Video Wallpaper plugin works very well.
In KDE neon I obtain only a black screen.
I installed all gstreamer plugins.
VLC dilsplay the videos with no problems.
The videos I tested are mp4.
Any suggestions?
I thank very much for all your help!
User avatar Rog131
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Testing with the Neon & VirtualBox

Downloading: neon-useredition-20190221-0531-amd64.iso

Installing with all updates & third party:
Image

About this system:
Image

Downloading a test rabbit: https://peach.blender.org/download/
Image

Installing the Video wallpaper:
Image

Turning the wallpaper type to Video wallpaper and dropping the rabbit to the line:
Image

The preview is working:
Image

...and the wallpaper is working:
Image

Working at here out of box.

General Troubleshooting

- viewtopic.php?f=14&t=38828

Examine if the problem is local

To determinate if a problem is caused by your configuration or is due to a bug/fault in your system (such as an incomplete upgrade), you can try to reproduce it with a clean system. The easiest way is to create a new user...



To get possible error messages

Original: viewtopic.php?f=289&t=131783&start=45#p382975

Earlier - A screen capture with the missing plugins: viewtopic.php?f=67&t=151301#p395486
Terminal/konsole:
Code: Select all
$ kquitapp5 plasmashell
$ plasmashell


Image
Full image: https://i.imgur.com/LMq8szL.png

- If the preview screen is black
- if the video duration is negative
- You get the - Error: "Your GStreamer installation is missing a plug-in."


This is not VLC

The Video wallpaper is using Qt 5 Multimedia QML module and GStreamer multimedia framework.

To test if the GStreamer can play the media: https://gstreamer.freedesktop.org/docum ... aunch.html

An example with the gst-launch-1.0

Konsole:
Code: Select all
gst-launch-1.0 filesrc location="/path/to/media/file.extension" ! decodebin ! autovideosink


Image

...and there is an error message:
Code: Select all
Pipeline is PREROLLING ...
Redistribute latency...
Redistribute latency...
Pipeline is PREROLLED ...
Setting pipeline to PLAYING ...
New clock: GstSystemClock
# no audio
ERROR: from element /GstPipeline:pipeline0/GstDecodeBin:decodebin0/GstDVDemux:dvdemux0: Could not decode stream.
Additional debug info:
gstdvdemux.c(1871): gst_dvdemux_loop (): /GstPipeline:pipeline0/GstDecodeBin:decodebin0/GstDVDemux:dvdemux0:
Error reading buffer
Execution ended after 0:00:02.563459270
Setting pipeline to PAUSED ...
Setting pipeline to READY ...
Setting pipeline to NULL ...
Freeing pipeline ...


=> GStreamer can't play this media file.
ericci
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Hi, a VERY BIG THANK YOU for your very valuable help!!!
I resolved the problem simply with a REBOOT.
Now Video wallpaper plugin works very well.
Again, Thank you so much!!!

 
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