Problems when attempting to play a custom soundfont

[karmaral]

Hello! I generated a custom soundfont using MIDI.js tools, and placed it inside my public folder (I'm using Svelte)
When creating the new instrument, I tried the following:
let inst = Soundfont.instrument(ac, 'http://localhost:8080/soundfonts/acoustic_grand_piano-mp3.js');
let inst = Soundfont.instrument(ac, './soundfonts/acoustic_grand_piano-mp3.js');

And they both throw:

Uncaught TypeError: Cannot perform ArrayBuffer.prototype.slice on a detached ArrayBuffer
    at ArrayBuffer.slice (<anonymous>)
    at AudioContext.<anonymous> (index.js:68:64)

Do you have any idea what it could be?

Here's the generated js file too, just in case
acoustic_grand_piano-mp3.txt

Thank you!

[luisscholl]

Hi, I have the same problem. Some info for reproducing the problematic file.

OS: Windows 10

1. Installed oggenc2, lame, fluidsynth, ruby, Node.js
2. Cloned MIDI.js
3. Installed all npm packages for generator/nodejs/packageWAVs.js
4. gem install midilib
5. Created directories "generator/ruby/soundfont" and "generator/sf2"
6. Placed sf2 file into generator/sf2
7. Edited soundfont_builder.rb such that

OGGENC = "oggenc2"
LAME = "lame"
FLUIDSYNTH = "fluidsynth"

8. Executed ruby soundfont_builder.rb from generator/ruby

Any help would be appreciated!