send start with accurate timing

vasilymilovidov · Sep 27, 2023 · 4eb0a7b · 4eb0a7b
1 parent f11462b
commit 4eb0a7b
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/packages/midi/midi.mjs b/packages/midi/midi.mjs
@@ -86,9 +86,8 @@ if (typeof window !== 'undefined') {
     }
     if (e.data === 'strudel-stop') {
       WebMidi.outputs.forEach((output) => output.sendStop());
-    } else if (e.data === 'strudel-start') {
-      WebMidi.outputs.forEach((output) => output.sendStart());
     }
+    // cannot start here, since we have no timing info, see sendStart below
   });
 }
 
@@ -150,6 +149,10 @@ Pattern.prototype.midi = function (output) {
       const scaled = Math.round(ccv * 127);
       device.sendControlChange(ccn, scaled, midichan, { time: timeOffsetString });
     }
+    if (hap.whole.begin + 0 === 0) {
+      // we need to start here because we have the timing info
+      device.sendStart({ time: timeOffsetString });
+    }
     if (['clock', 'midiClock'].includes(midicmd)) {
       device.sendClock({ time: timeOffsetString });
     } else if (['start'].includes(midicmd)) {