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feat: migrate SpessaSynth → FluidSynth WASM (SF3 native, loop Gen 54 fix)

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Replace SpessaSynth JS/AudioWorklet with FluidSynth C++ WASM
(@enikey87/fluidsynth-emscripten@0.1.1). CDN for dev, self-host
for prod. Fixes stuck Tremolo/Saxophone notes via compliant
Gen 44 loop mode processing. 100% audio parity with server
pyfluidsynth render (same C++ core).

- soundfontPlayer.js: FluidSynth WASM engine, preserve SonicSF API
- fluidsynthLoader.js: auto-select CDN (dev) vs self-host (prod)
- fluidsynth-bridge.js: PCM bridge AudioWorklet processor
- index.html: remove SpessaSynth importmap + module, add loader
- vendor/: libfluidsynth-2.3.0-sf3.js + .wasm (1.8MB self-host)
This commit is contained in:
3dtours
2026-07-27 12:48:30 +07:00
parent 81dc9a0354
commit ef1238b87d
7 changed files with 341 additions and 181 deletions
Download Patch File Download Diff File Expand all files Collapse all files
app/templates/index.html
+3 -15
View File
@@ -10,27 +10,15 @@
<script src="https://unpkg.com/lucide@latest"></script>
<script src="https://unpkg.com/react@18.3.1/umd/react.production.min.js"></script>
<script src="https://unpkg.com/react-dom@18.3.1/umd/react-dom.production.min.js"></script>
<script type="importmap">
{
"imports": {
"spessasynth_core": "https://cdn.jsdelivr.net/npm/spessasynth_core@latest/dist/index.js"
}
}
</script>
<script type="module">
import { WorkletSynthesizer } from 'https://cdn.jsdelivr.net/npm/spessasynth_lib@4.3.1/dist/index.js';
window.SpessaSynthClass = WorkletSynthesizer;
window.__SpessaSynthCDN = 'https://cdn.jsdelivr.net/npm/spessasynth_lib@4.3.1/dist/';
console.log('[SonicSF] SpessaSynth library loaded from CDN.');
</script>
<script src="/static/js/services/fluidsynthLoader.js?v=202607271245"></script>
<script src="/static/js/services/api.js?v=202607271016"></script>
<script src="/static/js/services/audioEngine.js?v=202607271016"></script>
<script src="/static/js/services/storage.js?v=202607271016"></script>
<script src="/static/js/services/soundfontStorage.js?v=202607271016"></script>
<script src="/static/js/services/soundfontPlayer.js?v=202607271215"></script>
<script src="/static/js/services/soundfontPlayer.js?v=202607271245"></script>
<script src="/static/js/services/aiGateway.js?v=202607271016"></script>
<script src="/static/js/services/dawCommandDispatcher.js?v=202607271016"></script>
<script src="/static/js/app.precompiled.js?v=202607271016" defer></script>
<script src="/static/js/app.precompiled.js?v=202607271245" defer></script>
<link rel="stylesheet" href="/static/css/styles.css?v=202607271016">
<style>
:root {