From 105331d50f8526f11dcf9b0f7332d7ca74227de7 Mon Sep 17 00:00:00 2001
From: Alexey Khit <alexey.khit@gmail.com>
Date: Fri, 16 Sep 2022 17:22:48 +0300
Subject: [PATCH] Fix track async access

---
 pkg/streamer/track.go | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/pkg/streamer/track.go b/pkg/streamer/track.go
index 2c2944c6..d3359d5a 100644
--- a/pkg/streamer/track.go
+++ b/pkg/streamer/track.go
@@ -32,6 +32,8 @@ func (t *Track) WriteRTP(p *rtp.Packet) error {
 }
 
 func (t *Track) Bind(w WriterFunc) *Track {
+	t.mx.Lock()
+
 	if t.Sink == nil {
 		t.Sink = map[*Track]WriterFunc{}
 	}
@@ -39,9 +41,10 @@ func (t *Track) Bind(w WriterFunc) *Track {
 	clone := &Track{
 		Codec: t.Codec, Direction: t.Direction, Sink: t.Sink,
 	}
-	t.mx.Lock()
 	t.Sink[clone] = w
+
 	t.mx.Unlock()
+
 	return clone
 }