Custom backgrounds in Teams V2 - disable custom

app/config/README.md

@@ -112,7 +112,7 @@ We added a feature to load custom background images during a video call. This is
 2. 3 new command-line parameters `customBGServiceBaseUrl`, `customBGServiceIgnoreMSDefaults` and `customBGServiceConfigFetchInterval` are introduced. See above for details.
 3. Custom images are always loaded with `<customBGServiceBaseUrl>/<image-path>`. So, you have to make sure the web server is running and `<customBGServiceBaseUrl>` responds to the request.
 4. You can choose any web server of your choice but make sure `Access-Control-Allow-Origin` is set to `*` in response headers from web server.
-5. In Teams version 2, this will replace Microsoft's default images.
+5. In Teams version 2, this will replace Microsoft's default images. To use standard Microsoft images, you must activate the flag --isCustomBackgroundEnabled=false
 
 For apache2, `/etc/apache2/apache2.conf` may need to have an entry like this.
 ```xml

app/mainAppWindow/index.js

@@ -253,7 +253,7 @@ function onBeforeRequestHandler(details, callback) {
 		callback({ redirectURL: imgUrl });
 	}
 	// Custom background replace for teams v2
-	else if (details.url.startsWith('https://statics.teams.cdn.office.net/evergreen-assets/backgroundimages/')) {
+	else if (details.url.startsWith('https://statics.teams.cdn.office.net/evergreen-assets/backgroundimages/' && config.isCustomBackgroundEnabled)) {
 		const reqUrl = details.url.replace('https://statics.teams.cdn.office.net/evergreen-assets/backgroundimages/', '');
 		const imgUrl = getBGRedirectUrl(reqUrl);
 		logger.debug(`Forwarding '${details.url}' to '${imgUrl}'`);