Switch spatial layers at the right point.

f4aa86a4 · Juliusz Chroboczek · d96a48f8 · f4aa86a4
Commit f4aa86a4 authored Aug 03, 2021 by Juliusz Chroboczek
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Showing with 7 additions and 5 deletions

rtpconn/rtpconn.go rtpconn/rtpconn.go +7 -5

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--- a/rtpconn/rtpconn.go
+++ b/rtpconn/rtpconn.go
@@ -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) {