baasic csound output

packages/csound/csound.mjs

@@ -0,0 +1,32 @@
+import { Pattern } from '@strudel.cycles/core';
+import { Csound } from '@csound/browser'; // TODO: use dynamic import for code splitting..
+import csd from './sounds.csd?raw';
+import { getAudioContext } from '@strudel.cycles/webaudio';
+
+let csoundLoader;
+
+Pattern.prototype.csound = async function () {
+  if (!csoundLoader) {
+    csoundLoader = (async () => {
+      const csound = await Csound({ audioContext: getAudioContext() });
+      await csound.setOption('-m0');
+      await csound.compileCsdText(csd);
+      await csound.setControlChannel('main.note.amp', -12);
+      await csound.start();
+      return csound;
+    })();
+  }
+  const csound = await csoundLoader;
+  return this.onTrigger((time, hap, currentTime) => {
+    const { gain = 0.8 } = hap.value;
+    const deadline = time - currentTime;
+    const midi = toMidi(getPlayableNoteValue(hap));
+    // TODO: find out how to send a precise ctx based time
+    const ctime = `next_time(.000001)+${deadline.toFixed(6)}`;
+    // const ctime = `${deadline.toFixed(6)}`;
+    const cmidi = `cpsmidinn(${midi})`;
+    const cgain = gain ? `ampdbfs(-32 + 32*${gain})` : `0`;
+    const code = `schedule(1, ${ctime}, .125, ${cmidi}, ${cgain})`;
+    csound.evalCode(code);
+  });
+};

packages/csound/package.json

@@ -2,7 +2,7 @@
   "name": "@strudel.cycles/csound",
   "version": "0.3.0",
   "description": "csound bindings for strudel",
-  "main": "index.mjs",
+  "main": "csound.mjs",
   "scripts": {
     "test": "echo \"No tests present.\" && exit 0"
   },

repl/src/App.jsx

@@ -42,6 +42,7 @@ const modules = [
   import('@strudel.cycles/osc'),
   import('@strudel.cycles/serial'),
   import('@strudel.cycles/soundfonts'),
+  import('@strudel.cycles/csound'),
 ];
 
 evalScope(