Hi, Am Mittwoch, den 28.07.2021, 18:33 +0200 schrieb Giovanni Biscuolo: > > > So it seems that also fluidsynth is not able to load that > > > SoundFont > > > [1] > > Ah, yes, I recall not being able to load that font with FluidSynth > > as > > well. Back then I thought it was an error in FluidSynth, but it > > does > > appear to be an issue with the SoundFont then if not even MuseScore > > loads it. > > Please are you reproducing the same error? > > I tried installing musescore3 (v. 3.2.3) from Debian stable and AFAIU > that SoundFont is loaded (with a lot of warnings): > > --8<---------------cut here---------------start------------->8--- > > Loading soundfont: /usr/share/mscore3- > 3.2/sound/sf3/MuseScore_General.sf3 > Loading soundfont: /home/giovanni/MuseScore3/SoundFonts/GeneralUser > GS v1.471.sf2 > SoundFont(/home/giovanni/MuseScore3/SoundFonts/GeneralUser GS > v1.471.sf2) Sample(Grand Piano-D1) start(0) startloop(35640) > endloop(70786) end(70787) smaller than SoundFont 2.04 spec chapter > 7.10 recommendation > [...] > Loading soundfont: /usr/share/mscore3- > 3.2/sound/sf3/MuseScore_General.sf3 > SoundFont(/usr/share/mscore3-3.2/sound/sf3/MuseScore_General.sf3) > Sample(Flute F#5) start(0) startloop(19435) endloop(29952) end(29955) > smaller than SoundFont 2.04 spec chapter 7.10 recommendation > [...] > > --8<---------------cut here---------------end--------------->8--- > > musescore installed from Debian plays sounds using > MuseScore_General.sf3 Ah, but that's Debian's MuseScore_General.sf3. Those two could be different for all we know. Did you binary diff them or did you try using the SoundFont from the Guix installation with Debian's MuseScore?
> [...] > > > > Could it be a bug in some library? > > If so, then it's two different libraries, > > AFAIU the error > > --8<---------------cut here---------------start------------->8--- > > Sample::decompressOggVorbis: open failed: Not a valid SNDFILE* > pointer. > > --8<---------------cut here---------------end--------------->8--- > > /seems/ to come from libsndfile [1], an input for both fluidsynth and > musescore Good point, it might be that libsndfile was compiled without Vorbis support. However, there is also a nonzero chance that Fluidsynth or Musescore use libsndfile incorrectly, for instance w.r.t. Vorbis support [1]. Aside from the broken file hypothesis, that is... > > as MuseScore doesn't use FluidSynth for MIDI synthesis – it's more > > likely that the font is simply broken. > > AFAIU this is not the case How so? > > It would be nice to investigate when that font first broke or if it > > ever worked. > > I'll try to do it in the coming days > > [...] > > Happy hacking! Gio' Don't stress too much about it and happy hacking :) [1] https://github.com/FluidSynth/fluidsynth/pull/888