From d608e312ebea41a20f461f6c1ecbcbad879a9bc5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Miroslav=20=C5=A0ediv=C3=BD?= <sedivy.miro@gmail.com>
Date: Sun, 23 Oct 2022 11:31:25 +0200
Subject: [PATCH] check if we already listen to requested stream. (#13)

---
 internal/webrtc/track.go | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/internal/webrtc/track.go b/internal/webrtc/track.go
index 6f32282f..b62c4800 100644
--- a/internal/webrtc/track.go
+++ b/internal/webrtc/track.go
@@ -100,6 +100,11 @@ func (t *Track) SetStream(stream types.StreamSinkManager) error {
 	t.streamMu.Lock()
 	defer t.streamMu.Unlock()
 
+	// if we already listen to the stream, do nothing
+	if t.stream == stream {
+		return nil
+	}
+
 	var err error
 	if t.stream != nil {
 		err = t.stream.MoveListenerTo(&t.listener, stream)