From 9ba1adba42d372bcc68fa8dd5f1a76a46269fab0 Mon Sep 17 00:00:00 2001
From: David Werth <werth.david@gmail.com>
Date: Thu, 25 Apr 2024 07:40:24 +0200
Subject: [PATCH] #557 ZxingScannerComponent is not releasing all resources -
 BrowserCodeReader still trying to decode after ngDestroy

---
 .../zxing-scanner/src/lib/zxing-scanner.component.ts | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/projects/zxing-scanner/src/lib/zxing-scanner.component.ts b/projects/zxing-scanner/src/lib/zxing-scanner.component.ts
index df92737..b1b43d5 100644
--- a/projects/zxing-scanner/src/lib/zxing-scanner.component.ts
+++ b/projects/zxing-scanner/src/lib/zxing-scanner.component.ts
@@ -837,6 +837,18 @@ export class ZXingScannerComponent implements OnInit, OnDestroy {
       return;
     }
 
+    this.scanStop();
+    try {
+      const videoElement = this.previewElemRef.nativeElement;
+      BrowserCodeReader.cleanVideoSource(videoElement);
+    } catch (err) {
+    }
+
+    try {
+      BrowserCodeReader.releaseAllStreams();
+    } catch (err) {
+    }
+
     // clearing codeReader first to prevent setOptions error appearing in several Chromium versions
     this._codeReader = undefined;