From bc1512d9fb9736eb9edb253a585ac0e3442f9992 Mon Sep 17 00:00:00 2001
From: Florian Diesner <fd@nettrek.de>
Date: Sat, 26 Sep 2020 18:08:24 +0200
Subject: [PATCH] Only restart interval if we have a current track
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… otherwise it is done inside the onSubtitleTrackSwitch and/or onSubtitleTrackLoaded event.
#3053
---
 src/controller/subtitle-stream-controller.js | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/src/controller/subtitle-stream-controller.js b/src/controller/subtitle-stream-controller.js
index 2851fb6992e..b60967d0488 100644
--- a/src/controller/subtitle-stream-controller.js
+++ b/src/controller/subtitle-stream-controller.js
@@ -42,10 +42,14 @@ export class SubtitleStreamController extends BaseStreamController {
 
   startLoad () {
     this.stopLoad();
-    this.setInterval(TICK_INTERVAL);
-
     this.state = State.IDLE;
-    this.tick();
+
+    // Check if we already have a track with necessary details to load fragments
+    const currentTrack = this.tracks[this.currentTrackId];
+    if (currentTrack && currentTrack.details) {
+      this.setInterval(TICK_INTERVAL);
+      this.tick();
+    }
   }
 
   onSubtitleFragProcessed (data) {