tweak implementation of #1376

2016-01-08 14:16:42 +01:00
parent c0ea2cd980 ec119e79a7
commit 3d33d27b86
1 changed files with 14 additions and 2 deletions
--- a/js/reveal.js
+++ b/js/reveal.js
@@ -2728,8 +2728,20 @@
 			// Start video playback
 			var currentVideo = currentBackground.querySelector( 'video' );
 			if( currentVideo ) {
-				if( currentVideo.currentTime > 0 ) currentVideo.currentTime = 0;
-				currentVideo.play();
+
+				var startVideo = function() {
+					currentVideo.currentTime = 0;
+					currentVideo.play();
+					currentVideo.removeEventListener( 'loadeddata', startVideo );
+				};
+
+				if( currentVideo.readyState > 1 ) {
+					startVideo();
+				}
+				else {
+					currentVideo.addEventListener( 'loadeddata', startVideo );
+				}
+
 			}

 			var backgroundImageURL = currentBackground.style.backgroundImage || '';