From fdbdaa19821ff1ad399b15f19001a60209ed40e9 Mon Sep 17 00:00:00 2001
From: Daniel Hartung <22015466+dhartung@users.noreply.github.com>
Date: Wed, 11 Sep 2019 20:57:12 +0200
Subject: [PATCH] Not all players support xxxSubtitleOffset

---
 src/components/playback/playbackmanager.js | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/src/components/playback/playbackmanager.js b/src/components/playback/playbackmanager.js
index a82078c956..ada0c019fc 100644
--- a/src/components/playback/playbackmanager.js
+++ b/src/components/playback/playbackmanager.js
@@ -1643,7 +1643,9 @@ define(['events', 'datetime', 'appSettings', 'itemHelper', 'pluginManager', 'pla
 
         self.disableShowingSubtitleOffset = function(player) {
             player = player || self._currentPlayer;
-            player.disableShowingSubtitleOffset();
+            if (player.disableShowingSubtitleOffset) {
+                player.disableShowingSubtitleOffset();
+            }            
         }
 
         self.isShowingSubtitleOffsetEnabled = function(player) {
@@ -1658,12 +1660,16 @@ define(['events', 'datetime', 'appSettings', 'itemHelper', 'pluginManager', 'pla
 
         self.setSubtitleOffset = function (value, player) {
             player = player || self._currentPlayer;
-            player.setSubtitleOffset(value);
+            if (player.setSubtitleOffset) {
+                player.setSubtitleOffset(value);
+            }
         };
 
         self.getPlayerSubtitleOffset = function(player) {
             player = player || self._currentPlayer;
-            return player.getSubtitleOffset();
+            if (player.getPlayerSubtitleOffset) {
+                return player.getSubtitleOffset();
+            }
         }
 
         self.canHandleOffsetOnCurrentSubtitle = function(player) {