send video type to rtcstats (#11426)

react/features/rtcstats/RTCStats.js

@@ -105,6 +105,16 @@ class RTCStats {
         this.trace && this.trace.statsEntry('e2eRtt', null, e2eRttData);
     }
 
+    /**
+     * Send videoType data, the data will be processed by rtcstats-server and saved in the dump file.
+     *
+     * @param {Object} videoTypeData - The object that holds the videoType data.
+     * @returns {void}
+     */
+    sendVideoTypeData(videoTypeData) {
+        this.trace && this.trace.statsEntry('setVideoType', null, videoTypeData);
+    }
+
     /**
      * Send face expression data, the data will be processed by rtcstats-server and saved in the dump file.
      *

react/features/rtcstats/middleware.js

@@ -7,6 +7,7 @@ import { CONFERENCE_UNIQUE_ID_SET, E2E_RTT_CHANGED, getConferenceOptions, getRoo
 import { LIB_WILL_INIT } from '../base/lib-jitsi-meet/actionTypes';
 import { DOMINANT_SPEAKER_CHANGED, getLocalParticipant } from '../base/participants';
 import { MiddlewareRegistry } from '../base/redux';
+import { TRACK_ADDED, TRACK_UPDATED } from '../base/tracks';
 import { ADD_FACE_EXPRESSION } from '../face-landmarks/actionTypes';
 
 import RTCStats from './RTCStats';
@@ -52,6 +53,38 @@ MiddlewareRegistry.register(store => next => action => {
         }
         break;
     }
+    case TRACK_ADDED: {
+        if (canSendRtcstatsData(state)) {
+            const jitsiTrack = action?.track?.jitsiTrack;
+            const { ssrc, videoType } = jitsiTrack || { };
+
+            // Remote tracks store their ssrc in the jitsiTrack object. Local tracks don't. See getSsrcByTrack.
+            if (videoType && ssrc && !jitsiTrack.isLocal()) {
+                RTCStats.sendVideoTypeData({
+                    ssrc,
+                    videoType
+                });
+            }
+        }
+        break;
+    }
+    case TRACK_UPDATED: {
+        if (canSendRtcstatsData(state)) {
+            const { videoType, jitsiTrack } = action?.track || { };
+            const { ssrc } = jitsiTrack || { };
+
+            // if the videoType of the remote track has changed we expect to find it in track.videoType. grep for
+            // trackVideoTypeChanged.
+            if (videoType && ssrc && !jitsiTrack.isLocal()) {
+
+                RTCStats.sendVideoTypeData({
+                    ssrc,
+                    videoType
+                });
+            }
+        }
+        break;
+    }
     case CONFERENCE_UNIQUE_ID_SET: {
         if (canSendRtcstatsData(state)) {