diff --git a/src/wp-includes/js/mediaelement/flashmediaelement.swf b/src/wp-includes/js/mediaelement/flashmediaelement.swf
index 528cc791d0..5998d67699 100644
Binary files a/src/wp-includes/js/mediaelement/flashmediaelement.swf and b/src/wp-includes/js/mediaelement/flashmediaelement.swf differ
diff --git a/src/wp-includes/js/mediaelement/mediaelement-and-player.min.js b/src/wp-includes/js/mediaelement/mediaelement-and-player.min.js
index 5916bfd14a..2b5cf6089d 100644
--- a/src/wp-includes/js/mediaelement/mediaelement-and-player.min.js
+++ b/src/wp-includes/js/mediaelement/mediaelement-and-player.min.js
@@ -10,7 +10,7 @@
* Copyright 2010-2014, John Dyer (http://j.hn)
* License: MIT
*
-*/var mejs=mejs||{};mejs.version="2.15.0";mejs.meIndex=0;
+*/var mejs=mejs||{};mejs.version="2.15.1";mejs.meIndex=0;
mejs.plugins={silverlight:[{version:[3,0],types:["video/mp4","video/m4v","video/mov","video/wmv","audio/wma","audio/m4a","audio/mp3","audio/wav","audio/mpeg"]}],flash:[{version:[9,0,124],types:["video/mp4","video/m4v","video/mov","video/flv","video/rtmp","video/x-flv","audio/flv","audio/x-flv","audio/mp3","audio/m4a","audio/mpeg","video/youtube","video/x-youtube","application/x-mpegURL"]}],youtube:[{version:null,types:["video/youtube","video/x-youtube","audio/youtube","audio/x-youtube"]}],vimeo:[{version:null,
types:["video/vimeo","video/x-vimeo"]}]};
mejs.Utility={encodeUrl:function(a){return encodeURIComponent(a)},escapeHTML:function(a){return a.toString().split("&").join("&").split("<").join("<").split('"').join(""")},absolutizeUrl:function(a){var b=document.createElement("div");b.innerHTML='x';return b.firstChild.href},getScriptPath:function(a){for(var b=0,c,d="",e="",g,f,i=document.getElementsByTagName("script"),k=i.length,h=a.length;b-1){f=g.substring(c+
@@ -101,21 +101,20 @@ c.hideControls(false);d&&!c.options.alwaysShowControls&&c.hideControls();c.optio
c.options.pauseOtherPlayers&&!m.paused&&!m.ended&&m.pause();m.hasFocus=false}c.hasFocus=true},false);c.media.addEventListener("ended",function(){if(c.options.autoRewind)try{c.media.setCurrentTime(0)}catch(j){}c.media.pause();c.setProgressRail&&c.setProgressRail();c.setCurrentRail&&c.setCurrentRail();if(c.options.loop)c.play();else!c.options.alwaysShowControls&&c.controlsEnabled&&c.showControls()},false);c.media.addEventListener("loadedmetadata",function(){c.updateDuration&&c.updateDuration();c.updateCurrent&&
c.updateCurrent();if(!c.isFullScreen){c.setPlayerSize(c.width,c.height);c.setControlsSize()}},false);setTimeout(function(){c.setPlayerSize(c.width,c.height);c.setControlsSize()},50);c.globalBind("resize",function(){c.isFullScreen||mejs.MediaFeatures.hasTrueNativeFullScreen&&document.webkitIsFullScreen||c.setPlayerSize(c.width,c.height);c.setControlsSize()});c.media.pluginType=="youtube"&&c.options.autoplay&&c.container.find(".mejs-overlay-play").hide()}d&&a.pluginType=="native"&&c.play();if(c.options.success)typeof c.options.success==
"string"?window[c.options.success](c.media,c.domNode,c):c.options.success(c.media,c.domNode,c)}},handleError:function(a){this.controls.hide();this.options.error&&this.options.error(a)},setPlayerSize:function(a,b){if(!this.options.setDimensions)return false;if(typeof a!="undefined")this.width=a;if(typeof b!="undefined")this.height=b;if(this.height.toString().indexOf("%")>0||this.$node.css("max-width")==="100%"||this.$node[0].currentStyle&&this.$node[0].currentStyle.maxWidth==="100%"){var c=this.isVideo?
-this.media.videoWidth&&this.media.videoWidth>0?this.media.videoWidth:this.media.getAttribute("width")!==null?this.media.getAttribute("width"):this.options.defaultVideoWidth:this.options.defaultAudioHeight,e=this.isVideo?this.media.videoHeight&&this.media.videoHeight>0?this.media.videoHeight:this.media.getAttribute("height")!==null?this.media.getAttribute("height"):this.options.defaultVideoHeight:this.options.defaultAudioHeight,d=this.container.parent().closest(":visible").width();c=this.isVideo||
-!this.options.autosizeProgress?parseInt(d*e/c,10)>this.container.parent().closest(":visible").height()?this.container.parent().closest(":visible").height():parseInt(d*e/c,10):e;if(isNaN(c))c=this.container.parent().closest(":visible").height();if(this.container.parent()[0].tagName.toLowerCase()==="body"){d=f(window).width();c=f(window).height()}if(c!=0&&d!=0){this.container.width(d).height(c);this.$media.add(this.container.find(".mejs-shim")).width("100%").height("100%");this.isVideo&&this.media.setVideoSize&&
-this.media.setVideoSize(d,c);this.layers.children(".mejs-layer").width("100%").height("100%")}}else{this.container.width(this.width).height(this.height);this.layers.children(".mejs-layer").width(this.width).height(this.height)}d=this.layers.find(".mejs-overlay-play");c=d.find(".mejs-overlay-button");d.height(this.container.height()-this.controls.height());c.css("margin-top","-"+(c.height()/2-this.controls.height()/2).toString()+"px")},setControlsSize:function(){var a=0,b=0,c=this.controls.find(".mejs-time-rail"),
-e=this.controls.find(".mejs-time-total");this.controls.find(".mejs-time-current");this.controls.find(".mejs-time-loaded");var d=c.siblings(),g=d.last(),k=null;if(!(!this.container.is(":visible")||!c.length||!c.is(":visible"))){if(this.options&&!this.options.autosizeProgress)b=parseInt(c.css("width"));if(b===0||!b){d.each(function(){var j=f(this);if(j.css("position")!="absolute"&&j.is(":visible"))a+=f(this).outerWidth(true)});b=this.controls.width()-a-(c.outerWidth(true)-c.width())}do{c.width(b);e.width(b-
-(e.outerWidth(true)-e.width()));if(g.css("position")!="absolute"){k=g.position();b--}}while(k!=null&&k.top>0&&b>0);this.setProgressRail&&this.setProgressRail();this.setCurrentRail&&this.setCurrentRail()}},buildposter:function(a,b,c,e){var d=f('').appendTo(c);b=a.$media.attr("poster");if(a.options.poster!=="")b=a.options.poster;b!==""&&b!=null?this.setPoster(b):d.hide();e.addEventListener("play",function(){d.hide()},false);a.options.showPosterWhenEnded&&a.options.autoRewind&&
-e.addEventListener("ended",function(){d.show()},false)},setPoster:function(a){var b=this.container.find(".mejs-poster"),c=b.find("img");if(c.length==0)c=f('
').appendTo(b);c.attr("src",a);b.css({"background-image":"url("+a+")"})},buildoverlays:function(a,b,c,e){var d=this;if(a.isVideo){var g=f('').hide().appendTo(c),k=f('').hide().appendTo(c),
-j=f('').appendTo(c).bind("click",function(){d.options.clickToPlayPause&&e.paused&&e.play()});e.addEventListener("play",function(){j.hide();g.hide();b.find(".mejs-time-buffering").hide();k.hide()},false);e.addEventListener("playing",function(){j.hide();g.hide();b.find(".mejs-time-buffering").hide();k.hide()},false);e.addEventListener("seeking",function(){g.show();b.find(".mejs-time-buffering").show()},
-false);e.addEventListener("seeked",function(){g.hide();b.find(".mejs-time-buffering").hide()},false);e.addEventListener("pause",function(){mejs.MediaFeatures.isiPhone||j.show()},false);e.addEventListener("waiting",function(){g.show();b.find(".mejs-time-buffering").show()},false);e.addEventListener("loadeddata",function(){g.show();b.find(".mejs-time-buffering").show()},false);e.addEventListener("canplay",function(){g.hide();b.find(".mejs-time-buffering").hide()},false);e.addEventListener("error",function(){g.hide();
-b.find(".mejs-time-buffering").hide();k.show();k.find("mejs-overlay-error").html("Error loading this resource")},false);e.addEventListener("keydown",function(m){d.onkeydown(a,e,m)},false)}},buildkeyboard:function(a,b,c,e){var d=this;d.globalBind("keydown",function(g){return d.onkeydown(a,e,g)});d.globalBind("click",function(g){a.hasFocus=f(g.target).closest(".mejs-container").length!=0})},onkeydown:function(a,b,c){if(a.hasFocus&&a.options.enableKeyboard)for(var e=0,d=a.options.keyActions.length;e<
-d;e++)for(var g=a.options.keyActions[e],k=0,j=g.keys.length;k0?this.media.videoWidth:this.media.getAttribute("width")!==null?this.media.getAttribute("width"):this.options.defaultVideoWidth:this.options.defaultAudioWidth,e=this.isVideo?this.media.videoHeight&&this.media.videoHeight>0?this.media.videoHeight:this.media.getAttribute("height")!==null?this.media.getAttribute("height"):this.options.defaultVideoHeight:this.options.defaultAudioHeight,d=this.container.parent().closest(":visible").width(),g=this.container.parent().closest(":visible").height();
+c=this.isVideo||!this.options.autosizeProgress?parseInt(d*e/c,10):e;if(isNaN(c)||g!=0&&c>g)c=g;if(this.container.parent()[0].tagName.toLowerCase()==="body"){d=f(window).width();c=f(window).height()}if(c!=0&&d!=0){this.container.width(d).height(c);this.$media.add(this.container.find(".mejs-shim")).width("100%").height("100%");this.isVideo&&this.media.setVideoSize&&this.media.setVideoSize(d,c);this.layers.children(".mejs-layer").width("100%").height("100%")}}else{this.container.width(this.width).height(this.height);
+this.layers.children(".mejs-layer").width(this.width).height(this.height)}d=this.layers.find(".mejs-overlay-play");g=d.find(".mejs-overlay-button");d.height(this.container.height()-this.controls.height());g.css("margin-top","-"+(g.height()/2-this.controls.height()/2).toString()+"px")},setControlsSize:function(){var a=0,b=0,c=this.controls.find(".mejs-time-rail"),e=this.controls.find(".mejs-time-total");this.controls.find(".mejs-time-current");this.controls.find(".mejs-time-loaded");var d=c.siblings(),
+g=d.last(),k=null;if(!(!this.container.is(":visible")||!c.length||!c.is(":visible"))){if(this.options&&!this.options.autosizeProgress)b=parseInt(c.css("width"));if(b===0||!b){d.each(function(){var j=f(this);if(j.css("position")!="absolute"&&j.is(":visible"))a+=f(this).outerWidth(true)});b=this.controls.width()-a-(c.outerWidth(true)-c.width())}do{c.width(b);e.width(b-(e.outerWidth(true)-e.width()));if(g.css("position")!="absolute"){k=g.position();b--}}while(k!=null&&k.top>0&&b>0);this.setProgressRail&&
+this.setProgressRail();this.setCurrentRail&&this.setCurrentRail()}},buildposter:function(a,b,c,e){var d=f('').appendTo(c);b=a.$media.attr("poster");if(a.options.poster!=="")b=a.options.poster;b!==""&&b!=null?this.setPoster(b):d.hide();e.addEventListener("play",function(){d.hide()},false);a.options.showPosterWhenEnded&&a.options.autoRewind&&e.addEventListener("ended",function(){d.show()},false)},setPoster:function(a){var b=this.container.find(".mejs-poster"),
+c=b.find("img");if(c.length==0)c=f('
').appendTo(b);c.attr("src",a);b.css({"background-image":"url("+a+")"})},buildoverlays:function(a,b,c,e){var d=this;if(a.isVideo){var g=f('').hide().appendTo(c),k=f('').hide().appendTo(c),j=f('').appendTo(c).bind("click",
+function(){d.options.clickToPlayPause&&e.paused&&e.play()});e.addEventListener("play",function(){j.hide();g.hide();b.find(".mejs-time-buffering").hide();k.hide()},false);e.addEventListener("playing",function(){j.hide();g.hide();b.find(".mejs-time-buffering").hide();k.hide()},false);e.addEventListener("seeking",function(){g.show();b.find(".mejs-time-buffering").show()},false);e.addEventListener("seeked",function(){g.hide();b.find(".mejs-time-buffering").hide()},false);e.addEventListener("pause",function(){mejs.MediaFeatures.isiPhone||
+j.show()},false);e.addEventListener("waiting",function(){g.show();b.find(".mejs-time-buffering").show()},false);e.addEventListener("loadeddata",function(){g.show();b.find(".mejs-time-buffering").show()},false);e.addEventListener("canplay",function(){g.hide();b.find(".mejs-time-buffering").hide()},false);e.addEventListener("error",function(){g.hide();b.find(".mejs-time-buffering").hide();k.show();k.find("mejs-overlay-error").html("Error loading this resource")},false);e.addEventListener("keydown",
+function(m){d.onkeydown(a,e,m)},false)}},buildkeyboard:function(a,b,c,e){var d=this;d.globalBind("keydown",function(g){return d.onkeydown(a,e,g)});d.globalBind("click",function(g){a.hasFocus=f(g.target).closest(".mejs-container").length!=0})},onkeydown:function(a,b,c){if(a.hasFocus&&a.options.enableKeyboard)for(var e=0,d=a.options.keyActions.length;e').appendTo(b).click(function(g){g.preventDefault();e.paused?e.play():e.pause();return false});e.addEventListener("play",function(){d.removeClass("mejs-play").addClass("mejs-pause")},
false);e.addEventListener("playing",function(){d.removeClass("mejs-play").addClass("mejs-pause")},false);e.addEventListener("pause",function(){d.removeClass("mejs-pause").addClass("mejs-play")},false);e.addEventListener("paused",function(){d.removeClass("mejs-pause").addClass("mejs-play")},false)}})})(mejs.$);
(function(f){f.extend(mejs.MepDefaults,{stopText:"Stop"});f.extend(MediaElementPlayer.prototype,{buildstop:function(a,b,c,e){f('').appendTo(b).click(function(){e.paused||e.pause();if(e.currentTime>0){e.setCurrentTime(0);e.pause();b.find(".mejs-time-current").width("0px");b.find(".mejs-time-handle").css("left",
@@ -149,7 +148,7 @@ setTimeout(c,500)}},500)}else if(mejs.MediaFeatures.hasSemiNativeFullScreen){a.m
a.fullscreenBtn&&a.fullscreenBtn.removeClass("mejs-fullscreen").addClass("mejs-unfullscreen");a.setControlsSize();a.isFullScreen=true;a.container.find(".mejs-captions-text").css("font-size",screen.width/a.width*1*100+"%");a.container.find(".mejs-captions-position").css("bottom","45px")}},exitFullScreen:function(){clearTimeout(this.containerSizeTimeout);if(this.media.pluginType!=="native"&&mejs.MediaFeatures.isFirefox)this.media.setFullscreen(false);else{if(mejs.MediaFeatures.hasTrueNativeFullScreen&&
(mejs.MediaFeatures.isFullScreen()||this.isFullScreen))mejs.MediaFeatures.cancelFullScreen();f(document.documentElement).removeClass("mejs-fullscreen");this.container.removeClass("mejs-container-fullscreen").width(normalWidth).height(normalHeight);if(this.media.pluginType==="native")this.$media.width(normalWidth).height(normalHeight);else{this.container.find(".mejs-shim").width(normalWidth).height(normalHeight);this.media.setVideoSize(normalWidth,normalHeight)}this.layers.children("div").width(normalWidth).height(normalHeight);
this.fullscreenBtn.removeClass("mejs-unfullscreen").addClass("mejs-fullscreen");this.setControlsSize();this.isFullScreen=false;this.container.find(".mejs-captions-text").css("font-size","");this.container.find(".mejs-captions-position").css("bottom","")}}})})(mejs.$);
-(function(f){f.extend(mejs.MepDefaults,{speeds:["1.50","1.25","1.00","0.75"],defaultSpeed:"1.00"});f.extend(MediaElementPlayer.prototype,{buildspeed:function(a,b,c,e){if(a.isVideo)if(this.media.pluginType=="native"){c='