Switch spatial layers at the right point.

2021-08-03 23:21:44 +02:00
parent d96a48f805
commit f4aa86a491
1 changed files with 7 additions and 5 deletions
@@ -271,7 +271,8 @@ func (down *rtpDownTrack) Write(buf []byte) (int, error) {
 			if flags.Keyframe {
 				layer.sid = layer.wantedSid
 				down.setLayerInfo(layer)
-			} else if flags.SidUpSync {
+			} else if flags.Sid == layer.sid + 1 {
+				if flags.SidUpSync {
 					layer.sid = layer.sid + 1
 					down.setLayerInfo(layer)
 				} else {
@@ -279,6 +280,7 @@ func (down *rtpDownTrack) Write(buf []byte) (int, error) {
 				}
 			}
 		}
+	}

 	if flags.Tid > layer.tid || flags.Sid > layer.sid ||
 		(flags.Sid < layer.sid && flags.SidNonReference) {