enabled led feedback during sound synthesis

webapp/index.html

@@ -158,6 +158,7 @@ var instruments = [
 // Instrument that we play
 var instrument = 4;
 
+var relaySocket; // TODO: refactor
 
 RefreshFrame = function () {
   var speed = (PI2 * nbrPoints) / cycleLength;
@@ -171,6 +172,8 @@ RefreshFrame = function () {
       velocity = 127;
       note = MIDI.pianoKeyOffset + i;
 
+      sendLightData(relaySocket, "red", note*2.5);
+
       MIDI.noteOn(instrument, note, velocity, delay);
 
       lastSound[i] = ms;
@@ -217,9 +220,9 @@ RefreshFrame = function () {
 window.onload = function () {
 
   // Connect to relay server via web socket.
-  // var relaySocket = new WebSocket(AUDIO_SOCKET_SERVER);
-  // relaySocket.binaryType = "arraybuffer";
-  // relaySocket.onopen = function(e) {
+  relaySocket = new WebSocket(AUDIO_SOCKET_SERVER);
+  relaySocket.binaryType = "arraybuffer";
+  relaySocket.onopen = function(e) {
 
     MIDI.loadPlugin({
       soundfontUrl: "./soundfont/",
@@ -233,12 +236,12 @@ window.onload = function () {
 
         setInterval(RefreshFrame, 200);
       },
-      // callbackPCM: function (pcmBuffer) {
-        // sendAudioData(relaySocket, pcmBuffer);
-      // },
-      // silent: false // Debug: remove to hear audio on system speaker
-    });
-  // };
+      callbackPCM: function (pcmBuffer) {
+        sendAudioData(relaySocket, pcmBuffer);
+      },
+      silent: true // Debug: remove to hear audio on system speaker
+    });    
+  };
 
 };
 </script>