Even though my system has multiple working devices for each of audio playback and audio recording, as well as a video recording device (all of which can be found by VLC, web apps, etc.), none are listed in the Audio and Video KCM. As a result, I can't select default devices for the apps that will only use the default and am stuck with a nonexistent default for audio recording. Reproducible: Always Steps to Reproduce: 1. Open Audio and Video KCM Actual Results: No devices are listed. Expected Results: I should be able to see my speakers, my headphones, both of my microphones, and my webcam listed in their respective sections. alsa, phonon{-qt4,-qt5}-vlc
This is an issue with the phonon-gstreamer backend actually. setting on debugging export PHONON_DEBUG=5 export PHONON_BACKEND_DEBUG=5 export PHONON_SUBSYSTEM_DEBUG=2 export PHONON_PULSEAUDIO_DEBUG=5 export PHONON_VLC_DEBUG=5 export PHONON_GST_DEBUG=5 and starting the KCM you'll very likely see something like this: PHONON-GST [WARNING] "Warning: You do not seem to have the package gstreamer1.0-plugins-good installed.\n Some video features have been disabled." PHONON-GST [WARNING] "Warning: You do not seem to have the package gstreamer1.0-plugins-good installed.\n Some video features have been disabled." PHONON-GST Using GStreamer 1.6.3 PHONON-GST [WARNING] PulseAudio support failed. Falling back to 'auto' "PulseSupport(2): Enabled Breakdown: mEnabled: No, s_pulseActive Yes" PHONON-GST AudioOutput using alsa audio sink The interesting part is the warning about gstreamer-plugins-good. I've installed them, after that the KCM properly recognized my devices. This certainly shouldn't happen, but I didn't dabble in the code yet to see why this is happening (this warning should not result in misfunction of the device listing). Most distributions ship gstreamer-plugins-good as depend for phonon-qt5-gstreamer, ArchLinux does not (and in my opinion they shouldn't be necessary to detect the devices properly). Though, phonon still plays no sound (invalid media source, still working on getting better info on why that is happening), but you'll see your devices and you'll be able to priorize them (and they'll work with all other sound applications but phonon - funny, isn't it?).
=> arch and phonon is now broken for plasma5 for over a year, wondering why nobody ever tried to track that down :p.
Georg, I noted in my original description that I use the vlc backend. Bugs in the gstreamer backend should have no effect on my setup.
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I can't reproduce it today. Works for me on phonon-qt5 4.11.1 and phonon-qt5-vlc 0.11.3. Unfortunately I genuinely can't remember anything about the issue I was having seven years ago.
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This bug has been in NEEDSINFO status with no change for at least 30 days. The bug is now closed as RESOLVED > WORKSFORME due to lack of needed information. For more information about our bug triaging procedures please read the wiki located here: https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging Thank you for helping us make KDE software even better for everyone!