Adds config to auto turn on captions when recording is started.

config.js

     // subtitles and buttons can be configured)
     // transcribingEnabled: false,
 
+    // Enables automatic turning on captions when recording is started
+    // autoCaptionOnRecord: false,
+
     // Misc
 
     // Default value for the channel "last N" attribute. -1 for unlimited.

package-lock.json

       }
     },
     "lib-jitsi-meet": {
-      "version": "github:jitsi/lib-jitsi-meet#4010d2a301fa847374f2744d6f826d3decebe76a",
-      "from": "github:jitsi/lib-jitsi-meet#4010d2a301fa847374f2744d6f826d3decebe76a",
+      "version": "github:jitsi/lib-jitsi-meet#1c3b3c18e1a3a8c5c9c11cc93e61a4b3c720cfd9",
+      "from": "github:jitsi/lib-jitsi-meet#1c3b3c18e1a3a8c5c9c11cc93e61a4b3c720cfd9",
       "requires": {
         "@jitsi/sdp-interop": "0.1.14",
         "@jitsi/sdp-simulcast": "0.2.1",

package.json

     "js-utils": "github:jitsi/js-utils#192b1c996e8c05530eb1f19e82a31069c3021e31",
     "jsrsasign": "8.0.12",
     "jwt-decode": "2.2.0",
-    "lib-jitsi-meet": "github:jitsi/lib-jitsi-meet#4010d2a301fa847374f2744d6f826d3decebe76a",
+    "lib-jitsi-meet": "github:jitsi/lib-jitsi-meet#1c3b3c18e1a3a8c5c9c11cc93e61a4b3c720cfd9",
     "libflacjs": "github:mmig/libflac.js#93d37e7f811f01cf7d8b6a603e38bd3c3810907d",
     "lodash": "4.17.13",
     "moment": "2.19.4",

react/features/recording/components/Recording/AbstractStartRecordingDialog.js

     isEnabled as isDropboxEnabled
 } from '../../../dropbox';
 import { RECORDING_TYPES } from '../../constants';
+import { toggleRequestingSubtitles } from '../../../subtitles';
 
 type Props = {
 
+    /**
+     * Requests subtitles when recording is turned on.
+     */
+    _autoCaptionOnRecord: boolean,
+
     /**
      * The {@code JitsiConference} for the current conference.
      */
      * @returns {boolean} - True (to note that the modal should be closed).
      */
     _onSubmit() {
-        const { _conference, _isDropboxEnabled, _token } = this.props;
+        const { _autoCaptionOnRecord, _conference, _isDropboxEnabled, _token, dispatch } = this.props;
         let appData;
         const attributes = {};
 
             appData
         });
 
+        if (_autoCaptionOnRecord) {
+            dispatch(toggleRequestingSubtitles());
+        }
+
         return true;
     }
 
  * @private
  * @returns {{
  *     _appKey: string,
+ *     _autoCaptionOnRecord: boolean,
  *     _conference: JitsiConference,
  *     _fileRecordingsServiceEnabled: boolean,
  *     _fileRecordingsServiceSharingEnabled: boolean,
  */
 export function mapStateToProps(state: Object) {
     const {
+        autoCaptionOnRecord = false,
         fileRecordingsServiceEnabled = false,
         fileRecordingsServiceSharingEnabled = false,
         dropbox = {}
 
     return {
         _appKey: dropbox.appKey,
+        _autoCaptionOnRecord: autoCaptionOnRecord,
         _conference: state['features/base/conference'].conference,
         _fileRecordingsServiceEnabled: fileRecordingsServiceEnabled,
         _fileRecordingsServiceSharingEnabled: fileRecordingsServiceSharingEnabled,