snapshot of https://github.com/jitsi/jitsi-meet.git @ fd1749dd28f4138aa80234fc7f311b19aaffa0e7 (2026-09-15)

react/features/rtcstats/middleware.ts

@@ -0,0 +1,92 @@
+import { AnyAction } from 'redux';
+
+import { IStore } from '../app/types';
+import {
+    CONFERENCE_JOINED,
+    E2E_RTT_CHANGED
+} from '../base/conference/actionTypes';
+import MiddlewareRegistry from '../base/redux/MiddlewareRegistry';
+import { TRACK_UPDATED } from '../base/tracks/actionTypes';
+import { ADD_FACE_LANDMARKS } from '../face-landmarks/actionTypes';
+import { FaceLandmarks } from '../face-landmarks/types';
+import { sendGetCustomerIdRequest } from '../jaas/functions';
+
+import RTCStats from './RTCStats';
+import {
+    canSendFaceLandmarksRTCStatsData,
+    isRTCStatsEnabled
+} from './functions';
+import logger from './logger';
+
+/**
+ * Middleware which intercepts lib-jitsi-meet initialization and conference join in order init the
+ * rtcstats-client.
+ *
+ * @param {Store} store - The redux store.
+ * @returns {Function}
+ */
+MiddlewareRegistry.register((store: IStore) => (next: Function) => (action: AnyAction) => {
+    const { getState } = store;
+    const state = getState();
+
+    switch (action.type) {
+    case CONFERENCE_JOINED: {
+        if (isRTCStatsEnabled(state)) {
+            RTCStats.init();
+
+            sendGetCustomerIdRequest(action?.conference, state)
+                .then(customerData => {
+                    const { customerId } = customerData ?? {};
+
+                    customerId && RTCStats.sendIdentityData({ customerId });
+                })
+                .catch(error => {
+                    logger.error('Error while getting customer id:', error);
+                });
+        }
+        break;
+    }
+    case TRACK_UPDATED: {
+        if (isRTCStatsEnabled(state)) {
+            const { jitsiTrack, muted } = action?.track || { };
+            const { isLocal, videoType: trackVideoType, conference } = jitsiTrack || { };
+
+            if (trackVideoType === 'camera' && conference && isLocal()) {
+                RTCStats.sendFaceLandmarksData({
+                    duration: 0,
+                    faceLandmarks: muted ? 'camera-off' : 'camera-on',
+                    timestamp: Date.now()
+                });
+            }
+        }
+        break;
+    }
+    case E2E_RTT_CHANGED: {
+        if (isRTCStatsEnabled(state)) {
+            const { participant, rtt } = action.e2eRtt;
+
+            RTCStats.sendE2ERTTData({
+                remoteEndpointId: participant.getId(),
+                rtt,
+                remoteRegion: participant.getProperty('region')
+            });
+        }
+        break;
+    }
+    case ADD_FACE_LANDMARKS: {
+        if (canSendFaceLandmarksRTCStatsData(state)) {
+            const { duration, faceExpression, timestamp } = action.faceLandmarks as FaceLandmarks;
+            const durationSeconds = Math.round(duration / 1000);
+
+            RTCStats.sendFaceLandmarksData({
+                duration: durationSeconds,
+                faceLandmarks: faceExpression,
+                timestamp
+            });
+        }
+        break;
+    }
+    }
+
+    return next(action);
+});