accept lists and lists of lists as inputs to all sound playing primitives

HISTORY.md

@@ -18,6 +18,7 @@
     * new sound + music stereo "panning" feature + blocks
     * new sound attribute getter reporter
     * new "play sound at sample rate" command
+    * accept lists and lists of lists as inputs to all sound playing primitives
     * new "play frequency" commands in the Sounds category
     * added "neg" selector to monadic function reporter in "Operators" category
     * added "log2" selector to monadic function reporter in "Operators" category
@@ -65,6 +66,7 @@
 * Blocks, Objects, Threads: new "play sound at sample rate" command primitive
 * Objects: added relabelling information for the new "play sound at sample rate" block
 * Objects, Threads: accept a number as input for a sound - interpret as index
+* Objects, Threads: accept lists and lists of lists as inputs to all sound playing primitives
 
 ### 2019-04-05
 * Objects: eliminated "clicks" when playing music notes

src/objects.js

@@ -3321,7 +3321,7 @@ SpriteMorph.prototype.addSound = function (audio, name) {
     this.sounds.add(new Sound(audio, name));
 };
 
-SpriteMorph.prototype.playSound = function (name) {
+SpriteMorph.prototype.doPlaySound = function (name) {
     var stage = this.parentThatIsA(StageMorph),
         sound = name instanceof Sound ? name
             : (typeof name === 'number' ? this.sounds.at(name)

src/threads.js

@@ -2221,10 +2221,17 @@ Process.prototype.blockReceiver = function () {
 
 // Process sound primitives (interpolated)
 
+Process.prototype.playSound = function (name) {
+    if (name instanceof List) {
+        return this.doPlaySoundAtRate(name, 44100);
+    }
+    return this.blockReceiver().doPlaySound(name);
+};
+
 Process.prototype.doPlaySoundUntilDone = function (name) {
     var sprite = this.blockReceiver();
     if (this.context.activeAudio === null) {
-        this.context.activeAudio = sprite.playSound(name);
+        this.context.activeAudio = this.playSound(name);
     }
     if (name === null || this.context.activeAudio.ended
             || this.context.activeAudio.terminated) {
@@ -2312,9 +2319,12 @@ Process.prototype.doPlaySoundAtRate = function (name, rate) {
     } else {
         gain.connect(ctx.destination);
     }
-    source.start();
     source.pause = source.stop;
+    source.ended = false;
+    source.onended = function () {this.ended = true; }
+    source.start();
     rcvr.parentThatIsA(StageMorph).activeSounds.push(source);
+    return source;
 };
 
 Process.prototype.reportGetSoundAttribute = function (choice, soundName) {