Fix performance issues with seeking while audio is playing (katspaugh…

…#2045) * fix seekTo performance issues while playing audio
sandiz · Sep 1, 2021 · 8cb7863 · 8cb7863
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diff --git 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)

diff --git a/src/wavesurfer.js b/src/wavesurfer.js
@@ -917,20 +917,12 @@ 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);
     }