From 48b2ea11c100a81652410e24e205d8ccbe238163 Mon Sep 17 00:00:00 2001
From: Raja Subramanian <raja.gobi@tutanota.com>
Date: Sat, 8 Apr 2023 13:41:17 +0530
Subject: [PATCH] Forgot to transfer ddBytes (#1592)

---
 pkg/sfu/downtrack.go | 2 +-
 pkg/sfu/forwarder.go | 1 +
 pkg/sfu/receiver.go  | 2 +-
 3 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/pkg/sfu/downtrack.go b/pkg/sfu/downtrack.go
index 4043ccd19..ccd68e5ca 100644
--- a/pkg/sfu/downtrack.go
+++ b/pkg/sfu/downtrack.go
@@ -492,7 +492,7 @@ func (d *DownTrack) maybeStartKeyFrameRequester() {
 	//
 	d.stopKeyFrameRequester()
 
-	// TODO : for svc, don't need pli/lrr when layer comes down
+	// SVC-TODO : don't need pli/lrr when layer comes down
 	locked, layer := d.forwarder.CheckSync()
 	if !locked {
 		go d.keyFrameRequester(d.keyFrameRequestGeneration.Load(), layer)
diff --git a/pkg/sfu/forwarder.go b/pkg/sfu/forwarder.go
index de689e8dd..8d75db2f9 100644
--- a/pkg/sfu/forwarder.go
+++ b/pkg/sfu/forwarder.go
@@ -1490,6 +1490,7 @@ func (f *Forwarder) getTranslationParamsVideo(extPkt *buffer.ExtPacket, layer in
 	tp.isSwitchingToMaxLayer = result.IsSwitchingToMaxSpatial
 	tp.isResuming = result.IsResuming
 	tp.marker = result.RTPMarker
+	tp.ddBytes = result.DependencyDescriptorExtension
 
 	if FlagPauseOnDowngrade && f.isDeficientLocked() && f.vls.GetTarget().Spatial < f.vls.GetCurrent().Spatial {
 		//
diff --git a/pkg/sfu/receiver.go b/pkg/sfu/receiver.go
index 3d2cc9c31..0868a574e 100644
--- a/pkg/sfu/receiver.go
+++ b/pkg/sfu/receiver.go
@@ -484,7 +484,7 @@ func (w *WebRTCReceiver) sendRTCP(packets []rtcp.Packet) {
 }
 
 func (w *WebRTCReceiver) SendPLI(layer int32, force bool) {
-	// TODO :  should send LRR (Layer Refresh Request) instead of PLI
+	// SVC-TODO :  should send LRR (Layer Refresh Request) instead of PLI
 	buff := w.getBuffer(layer)
 	if buff == nil {
 		return