From 962c6c133b0860b5ad4d99d9fb36eca625de5b7a Mon Sep 17 00:00:00 2001
From: Markku Roponen <markku.roponen@valve.fi>
Date: Tue, 13 Dec 2016 16:02:26 +0200
Subject: [PATCH] #1770, set 'data-paused-by-reveal' attribute only for the
 media elements, which are not already in paused state.

---
 js/reveal.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/js/reveal.js b/js/reveal.js
index c8ce5a2e..6781639c 100644
--- a/js/reveal.js
+++ b/js/reveal.js
@@ -3071,7 +3071,7 @@
 		if( slide && slide.parentNode ) {
 			// HTML5 media elements
 			toArray( slide.querySelectorAll( 'video, audio' ) ).forEach( function( el ) {
-				if( !el.hasAttribute( 'data-ignore' ) && typeof el.pause === 'function' ) {
+				if( !el.hasAttribute( 'data-ignore' ) && typeof el.pause === 'function' && el.paused === false ) {
 					el.setAttribute('data-paused-by-reveal', '');
 					el.pause();
 				}