|Subject:||[fluid-dev] Ubuntu 20.04: Rosegarden - Fluidsynth version mismatch|
|Date:||Fri, 10 Jul 2020 17:21:49 +0100|
|User-agent:||Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0|
I have a problem with the way that Rosegarden is interacting with Fluidsynth, and I would welcome any help or at least further debugging suggestions.
tldr: Rosegarden appears to be asking, via fluidsynth-dssi, for
an obsolete version of Fluidsynth, and failing to load it as a
For a few years, I've had a stable Rosegarden environment working
happily with Fluidsynth on Ubuntu 16.04:
- rosegarden 15.12.1
- fluidSynth 1.1.6
- fluidSynth-dssi 1.0.0
- libfluidsynth 1.1.6
I'm now building a new machine under Ubuntu 20.04, and have installed latest versions of everything:
dorien@dorien-M4500:~$ dpkg -l | grep "rosegarden"
ii rosegarden 1:19.12-1build1 amd64 music editor and MIDI/audio sequencer
dorien@dorien-M4500:~$ dpkg -l | grep "fluid"
ii fluid-soundfont-gm 3.1-5.1 all Fluid (R3) General MIDI SoundFont (GM)
ii fluidsynth 2.1.1-2 amd64 Real-time MIDI software synthesizer
ii fluidsynth-dssi 1.0.0-7 amd64 DSSI wrapper for the FluidSynth SoundFont-playing synthesizer
ii libfluidsynth2:amd64 2.1.1-2 amd64 Real-time MIDI software synthesizer (runtime library)
ii qsynth 0.6.1-1build1 amd64 fluidsynth MIDI sound synthesiser front-end
When I run Rosegarden from terminal, the messages include:
[JackDriver] initialise() - connecting from " rosegarden:master
out L " to " system:playback_1 "
WARNING: DSSIPluginFactory::discoverPlugin: couldn't dlopen /usr/lib/dssi/fluidsynth-dssi.so - libfluidsynth.so.1: cannot open shared object file: No such file or directory
[JackDriver] initialise() - connecting from " rosegarden:master out R " to " system:playback_2 "
Once in Rosegarden, Fluidsynth doesn't work:
- it's not listed on the list of Plugins on the Synth plugin window
- if I load a .rg file including Fluidsynth instruments from my old environment, there's an error window "The following audio plugins could not be loaded: FluidSynth-DSSI"
/usr/lib/dssi/fluidsynth-dssi.so exists in both
However, the directory /usr/lib/x86_64-linux-gnu on my
old, working environment contains a file libfluidsynth.so.1
which appears to be a link to libfluidsynth.so.1.5.2
The same directory on my new environment contains libfluidsynth.so.2 linking to libfluidsynth.so.2.3.1
So, as far as I can tell, either Rosegarden or fluidsynth-dssi is
expecting to use libfluidsynth.so.1, but this no longer exists.
Views gratefully received on where the problem might lie and how I might fix it.
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