Multiplatform playing first steps

Mac/Player.swift

@@ -0,0 +1,14 @@
+import SwiftUI
+
+struct Player: NSViewControllerRepresentable {
+    var video: Video!
+
+    func makeNSViewController(context _: Context) -> PlayerViewController {
+        let controller = PlayerViewController()
+        controller.video = video
+
+        return controller
+    }
+
+    func updateNSViewController(_: PlayerViewController, context _: Context) {}
+}