From a3dcc3f9179cc4420b0c16c3e669a26bc2858353 Mon Sep 17 00:00:00 2001
From: cnderrauber <zengjie9004@gmail.com>
Date: Fri, 1 Mar 2024 15:29:28 +0800
Subject: [PATCH] Include XR.SenderSSRC in its DestinationSSRC

Include XR.SenderSSRC in its DestinationSSRC
---
 extended_report.go      |  3 ++-
 extended_report_test.go | 10 ++++++++++
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/extended_report.go b/extended_report.go
index db7ca41..0f9ee2c 100644
--- a/extended_report.go
+++ b/extended_report.go
@@ -646,7 +646,8 @@ func (x *ExtendedReport) Unmarshal(b []byte) error {
 
 // DestinationSSRC returns an array of SSRC values that this packet refers to.
 func (x *ExtendedReport) DestinationSSRC() []uint32 {
-	ssrc := make([]uint32, 0)
+	ssrc := make([]uint32, 0, len(x.Reports)+1)
+	ssrc = append(ssrc, x.SenderSSRC)
 	for _, p := range x.Reports {
 		ssrc = append(ssrc, p.DestinationSSRC()...)
 	}
diff --git a/extended_report_test.go b/extended_report_test.go
index df77184..1004a21 100644
--- a/extended_report_test.go
+++ b/extended_report_test.go
@@ -272,4 +272,14 @@ func TestDecode(t *testing.T) {
 	if p.String() != pktStringer.String() {
 		t.Errorf("(string compare) Decoded packet does not match expected packet")
 	}
+
+	var includeSenderSSRC bool
+	for _, ssrc := range p.DestinationSSRC() {
+		if ssrc == p.SenderSSRC {
+			includeSenderSSRC = true
+		}
+	}
+	if !includeSenderSSRC {
+		t.Errorf("DestinationSSRC does not include the SenderSSRC")
+	}
 }