[engine] [cocos2d-x] [jsb-adapter] 适配引擎 v2.4.12 版本

engine/cocos2d/audio/CCAudio.js

@@ -316,7 +316,6 @@ Audio.State = {
                 }
                 this._state = Audio.State.INITIALZING;
             }
-            return clip;
         },
         enumerable: true,
         configurable: true
@@ -493,7 +492,7 @@ let WebAudioElement = function (buffer, audio) {
             if (this._currentSource)
                 this._currentSource.loop = bool;
 
-            return this._loop = bool;
+            this._loop = bool;
         },
         enumerable: true,
         configurable: true
@@ -549,7 +548,6 @@ let WebAudioElement = function (buffer, audio) {
             } else {
                 this.playedLength = num;
             }
-            return num;
         },
         enumerable: true,
         configurable: true

engine/cocos2d/audio/CCAudioEngine.js

@@ -43,6 +43,9 @@ let recycleAudio = function (audio) {
     audio.off('ended');
     audio.off('stop');
     audio.src = null;
+    if (cc.sys.platform === cc.sys.ALIPAY_GAME) {
+        audio.destroy();
+    } else {
     // In case repeatly recycle audio
     if (!_audioPool.includes(audio)) {
         if (_audioPool.length < audioEngine._maxPoolSize) {
@@ -50,6 +53,7 @@ let recycleAudio = function (audio) {
         }
         else {
             audio.destroy();
+            }
         }
     }
     audio._shouldRecycleOnEnded = false;