From 422369f29888c8bcaeb2b9e9dcd7326db9056239 Mon Sep 17 00:00:00 2001
From: Alexander Zinchuk <alx.zinchuk@gmail.com>
Date: Thu, 20 Jul 2023 15:58:51 +0200
Subject: [PATCH] Media Viewer: Fix video preview errors in Firefox (#3602)

---
 src/lib/video-preview/polyfill/rendering.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/lib/video-preview/polyfill/rendering.ts b/src/lib/video-preview/polyfill/rendering.ts
index 1ed6c7a45..c2df73abf 100644
--- a/src/lib/video-preview/polyfill/rendering.ts
+++ b/src/lib/video-preview/polyfill/rendering.ts
@@ -178,7 +178,7 @@ export function createImageBitmap(
     for (let i = 0; i < frame.data.length; i++) {
       const plane = frame.data[i];
       for (let y = 0; y < plane.length; y++) {
-        const row = plane[y];
+        const row = plane[y].subarray(0, image.codedWidth * 4);
         frameData.data.set(row, idx);
         idx += row.length;
       }