From 6e9574a1bdbb41c6d80fd406ea286252077d156d Mon Sep 17 00:00:00 2001
From: Alexey Khit <alexey.khit@gmail.com>
Date: Sun, 23 Jul 2023 17:08:03 +0300
Subject: [PATCH] Fix receive SRTP with empty sessions

---
 pkg/srtp/server.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkg/srtp/server.go b/pkg/srtp/server.go
index 2800ca0e..ac206765 100644
--- a/pkg/srtp/server.go
+++ b/pkg/srtp/server.go
@@ -43,6 +43,10 @@ func (s *Server) Serve(conn net.PacketConn) error {
 			return err
 		}
 
+		if s.sessions == nil {
+			continue
+		}
+
 		// Multiplexing RTP Data and Control Packets on a Single Port
 		// https://datatracker.ietf.org/doc/html/rfc5761