Disable simulcasted screen share for FF (#168)

livekit · Mar 19, 2022 · 082bd30 · 082bd30
1 parent 80407b9
commit 082bd30
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/src/room/participant/LocalParticipant.ts b/src/room/participant/LocalParticipant.ts
@@ -24,6 +24,7 @@ import {
 } from '../track/options';
 import { Track } from '../track/Track';
 import { constraintsForOptions, mergeDefaultOptions } from '../track/utils';
+import { isFireFox } from '../utils';
 import Participant from './Participant';
 import { ParticipantTrackPermission, trackPermissionToProto } from './ParticipantTrackPermission';
 import { computeVideoEncodings, mediaTrackToLocalTrack } from './publishUtils';
@@ -359,6 +360,12 @@ export default class LocalParticipant extends Participant {
       track.stopOnMute = true;
     }
 
+    if (track.source === Track.Source.ScreenShare && isFireFox()) {
+      // Firefox does not work well with simulcasted screen share
+      // we frequently get no data on layer 0 when enabled
+      opts.simulcast = false;
+    }
+
     // handle track actions
     track.on(TrackEvent.Muted, this.onTrackMuted);
     track.on(TrackEvent.Unmuted, this.onTrackUnmuted);