--- a/src/widgets/AdaptivePlayer.js	Fri Jul 03 17:01:35 2015 +0200
+++ b/src/widgets/AdaptivePlayer.js	Thu Aug 20 13:24:11 2015 +0200
@@ -5,7 +5,7 @@
 IriSP.Widgets.AdaptivePlayer.prototype = new IriSP.Widgets.Widget();
 
 IriSP.Widgets.AdaptivePlayer.prototype.defaults = {
-    mime_type: "video/mp4",
+    mime_type: 'video/mp4; codecs="avc1.42E01E"',
     normal_player: "HtmlPlayer",
     fallback_player: "JwpPlayer"
 };
@@ -20,7 +20,7 @@
         _opts = {},
         _canPlayType = document.createElement('video').canPlayType(this.mime_type);
     
-    _opts.type = (_canPlayType == "maybe" || _canPlayType == "probably") ? this.normal_player : this.fallback_player;
+    _opts.type = (_canPlayType !== "no") ? this.normal_player : this.fallback_player;
     
     for (var i = 0; i < _props.length; i++) {
         if (typeof this[_props[i]] !== "undefined") {

--- a/src/widgets/AutoPlayer.js	Fri Jul 03 17:01:35 2015 +0200
+++ b/src/widgets/AutoPlayer.js	Thu Aug 20 13:24:11 2015 +0200
@@ -56,8 +56,8 @@
     }
     
     if (_opts.type === "AdaptivePlayer") {
-        var _canPlayType = document.createElement('video').canPlayType("video/mp4");
-        _opts.type = (_canPlayType == "maybe" || _canPlayType == "probably") ? "HtmlPlayer" : "JwpPlayer";
+        var _canPlayType = document.createElement('video').canPlayType('video/mp4; codecs="avc1.42E01E"');
+        _opts.type = (_canPlayType !== "no") ? "HtmlPlayer" : "JwpPlayer";
     }
     
     if (_rtmprgx.test(this.video)) {