Hello, mpv! 🎉

Shared/Player/Controls/ToggleBackendButton.swift

@@ -0,0 +1,23 @@
+import SwiftUI
+
+struct ToggleBackendButton: View {
+    @EnvironmentObject<PlayerControlsModel> private var controls
+    @EnvironmentObject<PlayerModel> private var player
+
+    var body: some View {
+        Button {
+            player.saveTime {
+                player.changeActiveBackend(from: player.activeBackend, to: player.activeBackend.next())
+                controls.resetTimer()
+            }
+        } label: {
+            Text(player.activeBackend.label)
+        }
+    }
+}
+
+struct ToggleBackendButton_Previews: PreviewProvider {
+    static var previews: some View {
+        ToggleBackendButton()
+    }
+}