fix(quality-control) Configure encodings for all sources on media session creation.

When multi-stream-support is enabled, configure the encodings on all the local video sources.

modules/qualitycontrol/SendVideoController.js

@@ -6,6 +6,7 @@ import FeatureFlags from '../flags/FeatureFlags';
 import MediaSessionEvents from '../xmpp/MediaSessionEvents';
 
 const logger = getLogger(__filename);
+const MAX_LOCAL_RESOLUTION = 2160;
 
 /**
  * The class manages send video constraints across media sessions({@link JingleSessionPC}) which belong to
@@ -24,6 +25,7 @@ export default class SendVideoController {
      */
     constructor(conference, rtc) {
         this._conference = conference;
+        this._preferredSendMaxFrameHeight = MAX_LOCAL_RESOLUTION;
         this._rtc = rtc;
 
         /**
@@ -37,12 +39,30 @@ export default class SendVideoController {
             session => this._onMediaSessionStarted(session));
         this._conference.on(
             JitsiConferenceEvents._MEDIA_SESSION_ACTIVE_CHANGED,
-            () => this._propagateSendMaxFrameHeight());
+            () => this._configureConstraintsForLocalSources());
         this._rtc.on(
             RTCEvents.SENDER_VIDEO_CONSTRAINTS_CHANGED,
             videoConstraints => this._onSenderConstraintsReceived(videoConstraints));
     }
 
+    /**
+     * Configures the video encodings on the local sources when a media connection is established or becomes active.
+     *
+     * @returns {Promise<void[]>}
+     * @private
+     */
+    _configureConstraintsForLocalSources() {
+        if (FeatureFlags.isSourceNameSignalingEnabled()) {
+            for (const track of this._rtc.getLocalVideoTracks()) {
+                const sourceName = track.getSourceName();
+
+                sourceName && this._propagateSendMaxFrameHeight(sourceName);
+            }
+        } else {
+            this._propagateSendMaxFrameHeight();
+        }
+    }
+
     /**
      * Handles the {@link JitsiConferenceEvents.MEDIA_SESSION_STARTED}, that is when the conference creates new media
      * session. It doesn't mean it's already active though. For example the JVB connection may be created after
@@ -56,7 +76,7 @@ export default class SendVideoController {
             MediaSessionEvents.REMOTE_VIDEO_CONSTRAINTS_CHANGED,
             session => {
                 if (session === this._conference.getActiveMediaSession()) {
-                    this._propagateSendMaxFrameHeight();
+                    this._configureConstraintsForLocalSources();
                 }
             });
     }
@@ -65,6 +85,8 @@ export default class SendVideoController {
      * Propagates the video constraints if they have changed.
      *
      * @param {Object} videoConstraints - The sender video constraints received from the bridge.
+     * @returns {Promise<void[]>}
+     * @private
      */
     _onSenderConstraintsReceived(videoConstraints) {
         if (FeatureFlags.isSourceNameSignalingEnabled()) {
@@ -88,7 +110,7 @@ export default class SendVideoController {
     }
 
     /**
-     * Figures out the send video constraint as specified by {@link selectSendMaxFrameHeight} and sets it on all media
+     * Figures out the send video constraint as specified by {@link _selectSendMaxFrameHeight} and sets it on all media
      * sessions for the reasons mentioned in this class description.
      *
      * @param {string} sourceName - The source for which sender constraints have changed.
@@ -99,7 +121,7 @@ export default class SendVideoController {
         if (FeatureFlags.isSourceNameSignalingEnabled() && !sourceName) {
             throw new Error('sourceName missing for calculating the sendMaxHeight for video tracks');
         }
-        const sendMaxFrameHeight = this.selectSendMaxFrameHeight(sourceName);
+        const sendMaxFrameHeight = this._selectSendMaxFrameHeight(sourceName);
         const promises = [];
 
         if (sendMaxFrameHeight >= 0) {
@@ -117,8 +139,9 @@ export default class SendVideoController {
      *
      * @param {string} sourceName - The source for which sender constraints have changed.
      * @returns {number|undefined}
+     * @private
      */
-    selectSendMaxFrameHeight(sourceName = null) {
+    _selectSendMaxFrameHeight(sourceName = null) {
         if (FeatureFlags.isSourceNameSignalingEnabled() && !sourceName) {
             throw new Error('sourceName missing for calculating the sendMaxHeight for video tracks');
         }

types/auto/modules/qualitycontrol/SendVideoController.d.ts

@@ -15,12 +15,20 @@ export default class SendVideoController {
      */
     constructor(conference: any, rtc: any);
     _conference: any;
+    _preferredSendMaxFrameHeight: number;
     _rtc: any;
     /**
      * Source name based sender constraints.
      * @type {Map<string, number>};
      */
     _sourceSenderConstraints: Map<string, number>;
+    /**
+     * Configures the video encodings on the local sources when a media connection is established or becomes active.
+     *
+     * @returns {Promise<void[]>}
+     * @private
+     */
+    private _configureConstraintsForLocalSources;
     /**
      * Handles the {@link JitsiConferenceEvents.MEDIA_SESSION_STARTED}, that is when the conference creates new media
      * session. It doesn't mean it's already active though. For example the JVB connection may be created after
@@ -34,11 +42,13 @@ export default class SendVideoController {
      * Propagates the video constraints if they have changed.
      *
      * @param {Object} videoConstraints - The sender video constraints received from the bridge.
+     * @returns {Promise<void[]>}
+     * @private
      */
-    _onSenderConstraintsReceived(videoConstraints: any): void;
+    private _onSenderConstraintsReceived;
     _senderVideoConstraints: any;
     /**
-     * Figures out the send video constraint as specified by {@link selectSendMaxFrameHeight} and sets it on all media
+     * Figures out the send video constraint as specified by {@link _selectSendMaxFrameHeight} and sets it on all media
      * sessions for the reasons mentioned in this class description.
      *
      * @param {string} sourceName - The source for which sender constraints have changed.
@@ -52,8 +62,9 @@ export default class SendVideoController {
      *
      * @param {string} sourceName - The source for which sender constraints have changed.
      * @returns {number|undefined}
+     * @private
      */
-    selectSendMaxFrameHeight(sourceName?: string): number | undefined;
+    private _selectSendMaxFrameHeight;
     /**
      * Sets local preference for max send video frame height.
      *
@@ -61,5 +72,4 @@ export default class SendVideoController {
      * @returns {Promise<void[]>} - resolved when the operation is complete.
      */
     setPreferredSendMaxFrameHeight(maxFrameHeight: number): Promise<void[]>;
-    _preferredSendMaxFrameHeight: number;
 }