From ef6f205fccccc4a53cf75ff33983a893295bf098 Mon Sep 17 00:00:00 2001
From: Raja Subramanian <raja.gobi@tutanota.com>
Date: Wed, 15 May 2024 11:41:37 +0530
Subject: [PATCH] Pass through timestamp in abs capture time (#2715)

---
 pkg/sfu/buffer/rtpstats_base.go   | 6 ++++++
 pkg/sfu/buffer/rtpstats_sender.go | 2 --
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/pkg/sfu/buffer/rtpstats_base.go b/pkg/sfu/buffer/rtpstats_base.go
index eba2425b9..af8ecfe21 100644
--- a/pkg/sfu/buffer/rtpstats_base.go
+++ b/pkg/sfu/buffer/rtpstats_base.go
@@ -35,6 +35,8 @@ const (
 
 	cFirstPacketTimeAdjustWindow    = 2 * time.Minute
 	cFirstPacketTimeAdjustThreshold = 15 * time.Second
+
+	cPassthroughNTPTimestamp = true
 )
 
 // -------------------------------------------------------
@@ -118,6 +120,10 @@ type RTCPSenderReportData struct {
 }
 
 func (r *RTCPSenderReportData) PropagationDelay() time.Duration {
+	if cPassthroughNTPTimestamp {
+		return 0
+	}
+
 	return r.AtAdjusted.Sub(r.NTPTimestamp.Time())
 }
 
diff --git a/pkg/sfu/buffer/rtpstats_sender.go b/pkg/sfu/buffer/rtpstats_sender.go
index 6f32ac0a7..3074803d0 100644
--- a/pkg/sfu/buffer/rtpstats_sender.go
+++ b/pkg/sfu/buffer/rtpstats_sender.go
@@ -31,8 +31,6 @@ const (
 	cSnInfoMask = cSnInfoSize - 1
 
 	cSenderReportInitialWait = time.Second
-
-	cPassthroughNTPTimestamp = true
 )
 
 // -------------------------------------------------------------------