From 0800c6082f033ee34bb1d60c681fcf6bbebaac5f Mon Sep 17 00:00:00 2001
From: todoroff <stoyansky@gmail.com>
Date: Thu, 20 Aug 2020 15:53:49 +0100
Subject: [PATCH 1/2] fix seeking performance issues and console errors

---
 src/wavesurfer.js | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/src/wavesurfer.js b/src/wavesurfer.js
index 818325156..d8ad7f017 100755
--- a/src/wavesurfer.js
+++ b/src/wavesurfer.js
@@ -900,20 +900,12 @@ export default class WaveSurfer extends util.Observer {
         }
         this.fireEvent('interaction', () => this.seekTo(progress));
 
-        const paused = this.backend.isPaused();
-        // avoid draw wrong position while playing backward seeking
-        if (!paused) {
-            this.backend.pause();
-        }
         // avoid small scrolls while paused seeking
         const oldScrollParent = this.params.scrollParent;
         this.params.scrollParent = false;
         this.backend.seekTo(progress * this.getDuration());
         this.drawer.progress(progress);
 
-        if (!paused) {
-            this.backend.play();
-        }
         this.params.scrollParent = oldScrollParent;
         this.fireEvent('seek', progress);
     }

From 04dbec6167cd9c1518093f73c9e0c878b8d92b11 Mon Sep 17 00:00:00 2001
From: todoroff <stoyansky@gmail.com>
Date: Fri, 25 Sep 2020 16:27:48 +0100
Subject: [PATCH 2/2] fix seekTo performance issues while playing audio

---
 CHANGES.md | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/CHANGES.md b/CHANGES.md
index 69a6e15e5..0269c2af5 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,6 +1,11 @@
 wavesurfer.js changelog
 =======================
 
+Next (unreleased)
+-----------------
+
+- Fix performance issues with `seekTo` while audio is playing (#2045)
+
 4.1.1 (24.09.2020)
 ------------------
 - Revert Code cleanup for Observer class (#2069)