From 1ae16b682cec6d009a493c3c9f7b28cbcd8e4148 Mon Sep 17 00:00:00 2001
From: Simon Eisenmann <simon@struktur.de>
Date: Thu, 18 Feb 2016 11:03:17 +0100
Subject: [PATCH] Restrict VP9 experiment to Chrome >= 48.

---
 static/js/services/constraints.js | 1 +
 static/partials/settings.html     | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/static/js/services/constraints.js b/static/js/services/constraints.js
index eefb8c5a..99dbc27d 100644
--- a/static/js/services/constraints.js
+++ b/static/js/services/constraints.js
@@ -202,6 +202,7 @@
 					hdVideo: isChrome || (isFirefox && version >= 38),
 					// Chrome supports this on Windows only.
 					renderToAssociatedSink: isChrome && $window.navigator.platform.indexOf("Win") === 0,
+					vp9: isChrome && version >= 48,
 					chrome: isChrome,
 					firefox: isFirefox,
 					edge: isEdge
diff --git a/static/partials/settings.html b/static/partials/settings.html
index 38983798..e2588b98 100644
--- a/static/partials/settings.html
+++ b/static/partials/settings.html
@@ -270,7 +270,7 @@
               </div>
             </div>
 
-            <div class="form-group">
+            <div class="form-group" ng-show="supported.constraints.vp9">
               <label class="col-xs-4 control-label">{{_('Prefer VP9 video codec')}}</label>
               <div class="col-xs-8">
                 <div class="checkbox">