Ticket #27389: 27389-timeout.diff

src/wp-includes/js/mce-view.js

@@ -339 +339 @@
          * @mixin
          */
         wp.mce.media = {
+                loaded: false,
                 /**
                  * @global wp.shortcode
                  *
@@ -460 +461 @@
                         media = wp.media.view.MediaDetails.prepareSrc( media.get(0) );
 
                         setTimeout( function() {
+                                wp.mce.media.loaded = true;
                                 self.player = new MediaElementPlayer( media, this.mejsSettings );
-                        }, 75 );
+                        }, wp.mce.media.loaded ? 10 : 500 );
                 },
 
                 /**

src/wp-includes/js/mediaelement/wp-mediaelement.css

@@ -72 +72 @@
         max-width: 100%;
 }
 
-.wp-playlist audio {
+.wp-playlist audio, audio.wp-audio-shortcode {
         display: none;
         max-width: 100%;
         width: 400px;