From fcb05e97c5a31812ecf0ca6f7efa57c485cea9fb Mon Sep 17 00:00:00 2001
From: Raja Subramanian <raja.gobi@tutanota.com>
Date: Wed, 26 Feb 2025 09:48:54 +0530
Subject: [PATCH] Properly initialise DD layer selector. (#3467)

---
 pkg/sfu/videolayerselector/base.go                 | 4 ++++
 pkg/sfu/videolayerselector/dependencydescriptor.go | 6 +++++-
 pkg/sfu/videolayerselector/videolayerselector.go   | 3 +++
 3 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/pkg/sfu/videolayerselector/base.go b/pkg/sfu/videolayerselector/base.go
index 186ef47c8..181e5d3fb 100644
--- a/pkg/sfu/videolayerselector/base.go
+++ b/pkg/sfu/videolayerselector/base.go
@@ -54,6 +54,10 @@ func (b *Base) getBase() *Base {
 	return b
 }
 
+func (b *Base) getLogger() logger.Logger {
+	return b.logger
+}
+
 func (b *Base) IsOvershootOkay() bool {
 	return false
 }
diff --git a/pkg/sfu/videolayerselector/dependencydescriptor.go b/pkg/sfu/videolayerselector/dependencydescriptor.go
index 2f652c14b..7d93417e2 100644
--- a/pkg/sfu/videolayerselector/dependencydescriptor.go
+++ b/pkg/sfu/videolayerselector/dependencydescriptor.go
@@ -51,7 +51,11 @@ func NewDependencyDescriptor(logger logger.Logger) *DependencyDescriptor {
 }
 
 func NewDependencyDescriptorFromOther(vls VideoLayerSelector) *DependencyDescriptor {
-	return &DependencyDescriptor{Base: vls.getBase()}
+	return &DependencyDescriptor{
+		Base:      vls.getBase(),
+		decisions: NewSelectorDecisionCache(256, 80),
+		fnWrapper: FrameNumberWrapper{logger: vls.getLogger()},
+	}
 }
 
 func (d *DependencyDescriptor) IsOvershootOkay() bool {
diff --git a/pkg/sfu/videolayerselector/videolayerselector.go b/pkg/sfu/videolayerselector/videolayerselector.go
index 5a20c36fa..883e46aea 100644
--- a/pkg/sfu/videolayerselector/videolayerselector.go
+++ b/pkg/sfu/videolayerselector/videolayerselector.go
@@ -17,6 +17,7 @@ package videolayerselector
 import (
 	"github.com/livekit/livekit-server/pkg/sfu/buffer"
 	"github.com/livekit/livekit-server/pkg/sfu/videolayerselector/temporallayerselector"
+	"github.com/livekit/protocol/logger"
 )
 
 type VideoLayerSelectorResult struct {
@@ -31,6 +32,8 @@ type VideoLayerSelectorResult struct {
 type VideoLayerSelector interface {
 	getBase() *Base
 
+	getLogger() logger.Logger
+
 	IsOvershootOkay() bool
 
 	SetTemporalLayerSelector(tls temporallayerselector.TemporalLayerSelector)