fix: VP9 svc screenshare. (#386)

livekit · Oct 13, 2023 · a30c272 · a30c272
1 parent 93c1758
commit a30c272
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/lib/src/participant/local.dart b/lib/src/participant/local.dart
@@ -153,6 +153,14 @@ class LocalParticipant extends Participant<LocalTrackPublication> {
           scalabilityMode: 'L3T3_KEY',
         );
       }
+
+      // vp9 svc with screenshare has problem to encode, always use L1T3 here
+      if (track.source == TrackSource.screenShareVideo &&
+          publishOptions.videoCodec.toLowerCase() == 'vp9') {
+        publishOptions = publishOptions.copyWith(
+          scalabilityMode: 'L1T3',
+        );
+      }
     }
 
     // use constraints passed to getUserMedia by default