register soundfonts as sounds too

packages/soundfonts/fontloader.mjs

@@ -1,4 +1,6 @@
 import { toMidi } from '@strudel.cycles/core';
+import { getAudioContext, registerSound } from '@strudel.cycles/webaudio';
+import { instruments } from './list.mjs';
 
 let loadCache = {};
 async function loadFont(name) {
@@ -8,7 +10,6 @@ async function loadFont(name) {
   const load = async () => {
     // TODO: make soundfont source configurable
     const url = `https://felixroos.github.io/webaudiofontdata/sound/${name}.js`;
-    console.log('load font', name, url);
     const preset = await fetch(url).then((res) => res.text());
     let [_, data] = preset.split('={');
     return eval('{' + data);
@@ -114,3 +115,24 @@ async function getBuffer(zone, audioContext) {
     }
   }
 }
+
+export function registerSoundfonts() {
+  instruments.forEach((instrument) => {
+    registerSound(
+      instrument,
+      async (time, value, onended) => {
+        const { note, n } = value;
+        const ctx = getAudioContext();
+        const bufferSource = await getFontBufferSource(instrument, note || n, ctx);
+        bufferSource.start(time);
+        const stop = (time) => bufferSource.stop(time);
+        bufferSource.onended = () => {
+          bufferSource.disconnect();
+          onended();
+        };
+        return { node: bufferSource, stop };
+      },
+      { type: 'soundfont', prebake: true },
+    );
+  });
+}

packages/soundfonts/index.mjs

@@ -1,6 +1,6 @@
-import { getFontBufferSource } from './fontloader.mjs';
+import { getFontBufferSource, registerSoundfonts } from './fontloader.mjs';
 import * as soundfontList from './list.mjs';
 import { startPresetNote } from 'sfumato';
 import { loadSoundfont } from './sfumato.mjs';
 
-export { loadSoundfont, startPresetNote, getFontBufferSource, soundfontList };
+export { loadSoundfont, startPresetNote, getFontBufferSource, soundfontList, registerSoundfonts };

packages/soundfonts/sfumato.mjs

@@ -1,5 +1,5 @@
 import { Pattern, getPlayableNoteValue, toMidi } from '@strudel.cycles/core';
-import { getAudioContext } from '@strudel.cycles/webaudio';
+import { getAudioContext, registerSound } from '@strudel.cycles/webaudio';
 import { loadSoundfont as _loadSoundfont, startPresetNote } from 'sfumato';
 
 Pattern.prototype.soundfont = function (sf, n = 0) {
@@ -21,5 +21,29 @@ export function loadSoundfont(url) {
   }
   const sf = _loadSoundfont(url);
   soundfontCache.set(url, sf);
+  /*sf.then((font) => {
+    font.presets.forEach((preset) => {
+      console.log('preset', preset.header.name);
+      registerSound(
+        preset.header.name.replaceAll(' ', '_'),
+        (time, value, onended) => {
+          const ctx = getAudioContext();
+          let { note } = value; // freq ?
+
+          const p = font.presets.find((p) => p.header.name === preset.header.name);
+
+          if (!p) {
+            throw new Error('preset not found');
+          }
+          const deadline = time; // - ctx.currentTime;
+          const args = [ctx, p, toMidi(note), deadline];
+          const stop = startPresetNote(...args);
+          return { node: undefined, stop };
+        },
+        { type: 'soundfont' },
+      );
+    });
+    //console.log('f', f);
+  });*/
   return sf;
 }