Add config options for starting with audio and video enabled

src/config/Config.ts

@@ -5,6 +5,8 @@ SPDX-License-Identifier: AGPL-3.0-only
 Please see LICENSE in the repository root for full details.
 */
 
+import { merge } from "lodash";
+
 import { getUrlParams } from "../UrlParams";
 import {
   DEFAULT_CONFIG,
@@ -15,7 +17,7 @@ import {
 export class Config {
   private static internalInstance: Config | undefined;
 
-  public static get(): ConfigOptions {
+  public static get(): ResolvedConfigOptions {
     if (!this.internalInstance?.config)
       throw new Error("Config instance read before config got initialized");
     return this.internalInstance.config;
@@ -29,7 +31,7 @@ export class Config {
       Config.internalInstance.initPromise = downloadConfig(
         "../config.json",
       ).then((config) => {
-        internalInstance.config = { ...DEFAULT_CONFIG, ...config };
+        internalInstance.config = merge({}, DEFAULT_CONFIG, config);
       });
     }
     return Config.internalInstance.initPromise;

src/config/ConfigOptions.ts

@@ -77,6 +77,17 @@ export interface ConfigOptions {
    * A link to the end-user license agreement (EULA)
    */
   eula: string;
+
+  media_devices?: {
+    /**
+     * Defines whether participants should start with audio enabled by default.
+     */
+    enable_audio?: boolean;
+    /**
+     * Defines whether participants should start with video enabled by default.
+     */
+    enable_video?: boolean;
+  };
 }
 
 // Overrides members from ConfigOptions that are always provided by the
@@ -88,6 +99,10 @@ export interface ResolvedConfigOptions extends ConfigOptions {
       server_name: string;
     };
   };
+  media_devices: {
+    enable_audio: boolean;
+    enable_video: boolean;
+  };
 }
 
 export const DEFAULT_CONFIG: ResolvedConfigOptions = {
@@ -98,4 +113,8 @@ export const DEFAULT_CONFIG: ResolvedConfigOptions = {
     },
   },
   eula: "https://static.element.io/legal/online-EULA.pdf",
+  media_devices: {
+    enable_audio: true,
+    enable_video: true,
+  },
 };