Changeset 29880 for main/trunk/model-sites-dev/respooled/collect/popup-video-respooled/js/in-the-groove.js

Timestamp:

2015-05-14T15:52:35+12:00 (9 years ago)

Author:

davidb

Message:

Audio scriptProcessed made a global variable. Possible on Chrome that this was being garbage collected when a local variable, leading to the audio processing not working when video play pressed

File:

• main/trunk/model-sites-dev/respooled/collect/popup-video-respooled/js/in-the-groove.js (modified) (6 diffs)

main/trunk/model-sites-dev/respooled/collect/popup-video-respooled/js/in-the-groove.js

@@ +1 @@
+"use strict";
 
 // https://developer.mozilla.org/en-US/docs/Web/API/AudioContext/createScriptProcessor
@@ -4 +5 @@
 var audioCtx = new (window.AudioContext || window.webkitAudioContext)();
 
+//var InTheGroove = true;
 var InTheGroove = false;
 var MissingTheGroovePending = false;
@@ -16 +18 @@
 var prev_input = [0,0];
 
+var tinnyEffectNode = null;
+
 $(document).ready(function() {
     $('#video').on('loadedmetadata', function() {
 
-    displayDuration(this.duration); 
+    //displayDuration(this.duration);   
 
     // Create a MediaElementAudioSourceNode
     // Feed the HTMLMediaElement into it
     var source = audioCtx.createMediaElementSource(this);
-    
+    console.log("**** video source = " + source);
+
     // connect the AudioBufferSourceNode to the tinnyEffectNode
     // and the tinnyEffectNode to the destination, so we can play the
@@ -30 +35 @@
     // pressed
 
-    var tinnyEffectNode = audioCtx.createScriptProcessor(bufferSize, 2, 2);
+    tinnyEffectNode = audioCtx.createScriptProcessor(bufferSize, 2, 2);
     tinnyEffectNode.onaudioprocess = function(e) {
 
@@ -40 +45 @@
         for (var i = 0; i < bufferSize; i++) {
             if (InTheGroove) {
-            if (c==0) {
-                output[i] = input[i];
-            }
-            else {
-                output[i] = 0;
-            }
+            output[i] = input[i];
             }
             else {
@@ -51 +51 @@
             output[i] = input[i] - prev_input[c];
             }
+            //if (i==128) {
+            //  console.log("*** input[128] = " + input[i]);
+            //}
+
             prev_input[c] = input[i];
         }