Player: Plexamp Desktop 4.50.6 x86_64 AppImage
OS: CachyOS / Arch Linux
PMS: 1.43.3.10896
Plexamp can connect to the server, browse the music library, and create play queues, but every FLAC track immediately fails and is skipped.
At startup Plexamp reports six BASS plugin load failures:
BASS: Error [plugin = BASS_PluginLoad(file, flags)] - 2
BASS: Error [plugin = BASS_PluginLoad(file, flags)] - 2
BASS: Error [plugin = BASS_PluginLoad(file, flags)] - 2
BASS: Loaded OPUS plug-in version 1.0.0.0
BASS: Error [plugin = BASS_PluginLoad(file, flags)] - 2
BASS: Error [plugin = BASS_PluginLoad(file, flags)] - 2
BASS: Error [plugin = BASS_PluginLoad(file, flags)] - 2
Starting Plexamp 4.50.6 - linux Rolling Release
I traced a fresh AppImage launch with strace. Plexamp attempts to open the codec plugins from:
$APPDIR/usr/lib/libbass_aac.so
$APPDIR/usr/lib/libbassalac.so
$APPDIR/usr/lib/libbassflac.so
$APPDIR/usr/lib/libbassape.so
$APPDIR/usr/lib/libbass_mpc.so
$APPDIR/usr/lib/libbassdsd.so
All return ENOENT.
However, the 4.50.6 AppImage actually packages those files under:
$APPDIR/usr/lib/plexamp/libbass_aac.so
$APPDIR/usr/lib/plexamp/libbassalac.so
$APPDIR/usr/lib/plexamp/libbassflac.so
$APPDIR/usr/lib/plexamp/libbassape.so
$APPDIR/usr/lib/plexamp/libbass_mpc.so
$APPDIR/usr/lib/plexamp/libbassdsd.so
As a test, I extracted the AppImage and added symlinks in usr/lib pointing to the copies in usr/lib/plexamp.
With only those symlinks added, startup changes to:
BASS: Loaded AAC plug-in version 2.4.7.0
BASS: Loaded ALAC plug-in version 2.4.1.0
BASS: Loaded FLAC plug-in version 2.4.5.5
BASS: Loaded OPUS plug-in version 1.0.0.0
BASS: Loaded APE plug-in version 2.4.0.1
BASS: Loaded MPC plug-in version 2.4.1.2
BASS: Loaded DSD plug-in version 2.4.1.3
FLAC playback then works normally:
BASS: Opening stream ...
Cache: Using RAM buffer ... container flac ...
Audio: State changed from stopped to playing.
So this appears reproducible as an AppImage resource/plugin-path issue: the codec libraries are present in the package, but BASS is looking one directory above where they are packaged.
I also tested adding usr/lib/plexamp to LD_LIBRARY_PATH; that did not fix it, consistent with Plexamp/BASS explicitly trying the usr/lib/... paths rather than this being normal dynamic-loader dependency resolution.
