From ad8c025393e47454b59a398d7877360b9ed447ff Mon Sep 17 00:00:00 2001
From: seydx <dev@seydx.com>
Date: Sun, 3 Nov 2024 16:33:08 +0100
Subject: [PATCH] Add backchannel support for rtsp server

---
 pkg/rtsp/server.go | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/pkg/rtsp/server.go b/pkg/rtsp/server.go
index df2ebdb5..b7e65dac 100644
--- a/pkg/rtsp/server.go
+++ b/pkg/rtsp/server.go
@@ -139,6 +139,16 @@ func (c *Conn) Accept() error {
 				medias = append(medias, media)
 			}
 
+			for i, track := range c.Receivers {
+				media := &core.Media{
+					Kind:      core.GetKind(track.Codec.Name),
+					Direction: core.DirectionSendonly,
+					Codecs:    []*core.Codec{track.Codec},
+					ID:        "trackID=" + strconv.Itoa(i+len(c.Senders)),
+				}
+				medias = append(medias, media)
+			}
+
 			res.Body, err = core.MarshalSDP(c.SessionName, medias)
 			if err != nil {
 				return err