STEPS TO REPRODUCE 1. Download the following sample WavPack file: https://filesamples.com/samples/audio/wv/sample3.wv 2. Run dolphin from a terminal 3. Select "sample3.wv" and click on the play icon in the preview panel to start the preview OBSERVED RESULT The preview does not work and nothing is printed in the terminal EXPECTED RESULT The audio preview works SOFTWARE/OS VERSIONS - Distro: Gentoo - KDE Plasma Version: 5.25.5 - KDE Frameworks Version: 5.97.0 - Qt Version: 5.15.5 - Dolphin version: 22.08.1 - X11 ADDITIONAL INFORMATION I don't have the issue with other audio codecs (FLAC, MP3, OPUS, WAV) Installed packages and versions: - kde-apps/ffmpegthumbs:22.08.1 - kde-apps/kdesdk-thumbnailers:22.08.1 - kde-apps/thumbnailers:22.08.1 - kde-frameworks/kimageformats:5.97.0 - dev-qt/qtimageformats:5.15.5-r2 - media-libs/phonon-gstreamer:4.10.0 Relevant USE flags: kde-frameworks/kfilemetadata epub ffmpeg
Nevermind, I'm an idiot. I forgot to install media-plugins/gst-plugins-wavpack. Solved.