WIP

src/controls.ts

@@ -8,12 +8,22 @@ Please see LICENSE in the repository root for full details.
 import { Subject } from "rxjs";
 
 export interface Controls {
-  canEnterPip: () => boolean;
-  enablePip: () => void;
-  disablePip: () => void;
+  canEnterPip(): boolean;
+  enablePip(): void;
+  disablePip(): void;
+  setOutputDevices(devices: OutputDevice[]): void;
+  onOutputDeviceSelect?: (id: string) => void;
+  setOutputEnabled(enabled: boolean): void;
+}
+
+export interface OutputDevice {
+  id: string;
+  name: string;
 }
 
 export const setPipEnabled$ = new Subject<boolean>();
+export const setOutputDevices = new Subject<OutputDevice[]>();
+export const setOutputEnabled = new Subject<boolean>();
 
 window.controls = {
   canEnterPip(): boolean {
@@ -27,4 +37,14 @@ window.controls = {
     if (!setPipEnabled$.observed) throw new Error("No call is running");
     setPipEnabled$.next(false);
   },
+  setOutputDevices(devices: OutputDevice[]): void {
+    if (!setOutputDevices.observed)
+      throw new Error("Output controls are disabled");
+    setOutputDevices.next(devices);
+  },
+  setOutputEnabled(enabled: boolean): void {
+    if (!setOutputEnabled.observed)
+      throw new Error("Output controls are disabled");
+    setOutputEnabled.next(enabled);
+  },
 };