feat(external-api) support assumed bandwidth bps command + ljm update (#13275)

modules/API/API.js

@@ -115,7 +115,11 @@ import { muteAllParticipants } from '../../react/features/video-menu/actions';
 import { setVideoQuality } from '../../react/features/video-quality/actions';
 import { getJitsiMeetTransport } from '../transport';
 
-import { API_ID, ENDPOINT_TEXT_MESSAGE_NAME } from './constants';
+import {
+    API_ID,
+    ASSUMED_BANDWIDTH_BPS,
+    ENDPOINT_TEXT_MESSAGE_NAME
+} from './constants';
 
 const logger = Logger.getLogger(__filename);
 
@@ -310,6 +314,23 @@ function initCommands() {
 
             APP.store.dispatch(sendTones(tones, duration, pause));
         },
+        'set-assumed-bandwidth-bps': value => {
+            logger.debug('Set assumed bandwidth bps command received', value);
+
+            if (typeof value !== 'number' || isNaN(value)) {
+                logger.error('Assumed bandwidth bps must be a number.');
+
+                return;
+            }
+
+            const { conference } = APP.store.getState()['features/base/conference'];
+
+            if (conference) {
+                conference.setAssumedBandwidthBps(value < ASSUMED_BANDWIDTH_BPS
+                    ? ASSUMED_BANDWIDTH_BPS
+                    : value);
+            }
+        },
         'set-follow-me': value => {
             logger.debug('Set follow me command received');
 

modules/API/constants.js

@@ -15,3 +15,10 @@ export const API_ID = parseURLParams(window.location).jitsi_meet_external_api_id
  * The payload name for the datachannel/endpoint text message event.
  */
 export const ENDPOINT_TEXT_MESSAGE_NAME = 'endpoint-text-message';
+
+/**
+ * The min value that can be set for the assumed bandwidth.
+ * Setting it to this value means not assuming any bandwidth,
+ * but rather allowing the estimations to take place.
+ */
+export const ASSUMED_BANDWIDTH_BPS = -1;

modules/API/external/external_api.js

@@ -59,6 +59,7 @@ const commands = {
     sendEndpointTextMessage: 'send-endpoint-text-message',
     sendParticipantToRoom: 'send-participant-to-room',
     sendTones: 'send-tones',
+    setAssumedBandwidthBps: 'set-assumed-bandwidth-bps',
     setFollowMe: 'set-follow-me',
     setLargeVideoParticipant: 'set-large-video-participant',
     setMediaEncryptionKey: 'set-media-encryption-key',