add try catch to video.foreach and video.pause

src/app/services/chunkService.ts

@@ -0,0 +1,53 @@
+import { Injectable } from '@angular/core';
+
+@Injectable({
+  providedIn: 'root'
+})
+
+export class ChunksService {
+ 
+  chunkSize: number
+  private file: File
+ 
+  constructor() {
+    
+  }
+ 
+  get totalChunks () {
+    return Math.ceil(this.file.size / this.chunkSize);
+  }
+ 
+  // Function to read a chunk of the file
+  readChunk(start: number, end: number): Promise<ArrayBuffer> {
+    const file =  this.file
+ 
+    return new Promise((resolve, reject) => {
+      const reader = new FileReader();
+      reader.onload = () => {
+        if (reader.result instanceof ArrayBuffer) {
+          resolve(reader.result);
+        } else {
+          reject(new Error("Failed to read chunk"));
+        }
+      };
+ 
+      reader.readAsArrayBuffer(file.slice(start, end));
+    });
+  }
+ 
+  setFile(file) {
+    this.file = file
+  }
+ 
+  async getChunks(i: number,chunkSize: number) {
+    i--
+    if(i < this.totalChunks) {
+      const start = i * chunkSize;
+      const end = Math.min(start + chunkSize, this.file.size);
+      const chunk = await this.readChunk(start, end);
+ 
+      return chunk
+    }
+  }
+ 
+}