On Tue 04 Feb 2025 at 18:38:34 (+0100), Ben Engbers wrote:
> It showed that fluid-soundfont-gm and fluid-soundfont-common were
> already installed. I only had to add fluid-soundfont-gs.
> 
> I also found this page:
> https://discussion.fedoraproject.org/t/how-to-midi-audio-on-fedora-with-fluidsynth/103401
> 
> It tells me that the command "fluidsynth -is" is used to verify if it
> is up and runing.
> This command returns:
> Copyright (C) 2000-2024 Peter Hanappe and others.
> Distributed under the LGPL license.
> SoundFont(R) is a registered trademark of Creative Technology Ltd.
> 
> fluidsynth: error: Failed to bind server socket: 98
> Failed to create the server.
> Continuing without it.
> fluidsynth: warning: Failed to set thread to high priority
> fluidsynth: warning: Failed to set thread to high priority
> 
> After googling this warning, I found this page:
> https://jackaudio.org/faq/linux_rt_config.html
> 
> I created the file audio.conf with this content:
> @audio   -  rtprio     95
> @audio   -  memlock    unlimited
> 
> and added my userid to the (existing) group "audio"
> 
> I'll have to reboot to verify if this helps.

I've just played the same MIDI file with audacious
(which has a MIDI plug in) and I see that it accessed
/usr/share/sounds/sf2/FluidR3_GS.sf2. I've also just played
a MIDI file with timidity and I see that it accessed
/usr/share/sounds/sf2/FluidR3_GM.sf2.

Both methods also access the file
/usr/share/fluidr3mono-gm-soundfont/FluidR3Mono_GM.sf3,
but only one via the symlink pointing to it,
/usr/share/sounds/sf3/FluidR3Mono_GM.sf3.

AFAICT, these files stick around in memory, as stat doesn't
show them being reaccessed on subsequent playings by
either method.

OTOH, /usr/bin/fluidsynth was last accessed in Dec 2023.
It looks as though its principal use is to play sounds from
a MIDI device, of which I have none.

When the system (Debian) is idle, neither timidity nor
fluidsynth is running. I vaguely recall some people in
the past having problems with running timidity themselves,
and the fix was killing their timidity daemon. I've never
encountered that problem, never having seen such a daemon.
I don't remember reports of what might have started it.

Cheers,
David.

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