iot-web-ui/src/app/shared/component/camera-dialog/camera-dialog.component.html

  <div style="padding: 10px 20px" fxLayout="row" fxLayoutAlign=" center">
    <div style="text-align: center; font-size: 24px; width: 95%">Camera Stream</div>
    <button mat-icon-button color="warn" (click)="onClose()">
      <mat-icon>close</mat-icon>
    </button>
  </div>
  <div mat-dialog-content>
    <canvas class="video" #videoPlayer></canvas>
  </div>