encode recorded sounds to base64

gui.js

@@ -71,11 +71,11 @@ fontHeight, hex_sha512, sb, CommentMorph, CommandBlockMorph, BooleanSlotMorph,
 BlockLabelPlaceHolderMorph, Audio, SpeechBubbleMorph, ScriptFocusMorph,
 XML_Element, WatcherMorph, BlockRemovalDialogMorph, saveAs, TableMorph,
 isSnapObject, isRetinaEnabled, disableRetinaSupport, enableRetinaSupport,
-isRetinaSupported, SliderMorph, Animation, BoxMorph*/
+isRetinaSupported, SliderMorph, Animation, BoxMorph, MediaRecorder*/
 
 // Global stuff ////////////////////////////////////////////////////////
 
-modules.gui = '2018-January-25';
+modules.gui = '2018-February-01';
 
 // Declarations
 
@@ -2303,7 +2303,10 @@ IDE_Morph.prototype.recordNewSound = function () {
     soundRecorder = new SoundRecorderDialogMorph(
         function (sound) {
             if (sound) {
-                myself.currentSprite.addSound(sound, myself.newSoundName('recording'));
+                myself.currentSprite.addSound(
+                	sound,
+                    myself.newSoundName('recording')
+                );
                 myself.spriteBar.tabBar.tabTo('sounds');
                 myself.hasChangedMedia = true;
             }
@@ -8826,15 +8829,17 @@ SoundRecorderDialogMorph.prototype.buildContents = function () {
                     audioChunks.push(event.data);
                 };
                 myself.mediaRecorder.onstop = function (event) {
-                    myself.audioElement.src =
-                        window.URL.createObjectURL(
-                           new Blob(
-                               audioChunks,
-                               {'type': 'audio/ogg; codecs=opus'}
-                           )
-                        );
-                    myself.audioElement.load();
-                    audioChunks = [];
+					var buffer = new Blob(audioChunks),
+						reader = new window.FileReader();
+					reader.readAsDataURL(buffer);
+					reader.onloadend = function() {
+   						var base64 = reader.result;
+    					base64 = 'data:audio/ogg;base64,' +
+         	               base64.split(',')[1];
+						myself.audioElement.src = base64;
+                    	myself.audioElement.load();
+                    	audioChunks = [];
+					};
                 };
             });
     }

history.txt

@@ -3877,6 +3877,9 @@ Fixes:
 * new Sound Recorder, yay!! Thanks, Bernat!
 * Blocks: fixed a glitch in the error-bubble handling mechanism
 
+180201
+------
+* GUI: encode recorded sounds to base64
 
 
 v4.1.1 New Features: