Pass through timestamp in abs capture time (#2715)

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())
 }
 

pkg/sfu/buffer/rtpstats_sender.go

@@ -31,8 +31,6 @@ const (
 	cSnInfoMask = cSnInfoSize - 1
 
 	cSenderReportInitialWait = time.Second
-
-	cPassthroughNTPTimestamp = true
 )
 
 // -------------------------------------------------------------------