From 1d6075d395992c4731fceb740e06ab71699eb748 Mon Sep 17 00:00:00 2001
From: Ian Gulliver <git@flamingcow.io>
Date: Sun, 25 Jan 2026 11:52:28 -0800
Subject: [PATCH] Add mDNS support for _netaudio-chan service with
 channel@device format

---
 mdns.go | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/mdns.go b/mdns.go
index 915baa6..47c1499 100644
--- a/mdns.go
+++ b/mdns.go
@@ -27,7 +27,7 @@ func extractSkaarhojName(s string) string {
 }
 
 func isNetaudioService(s string) bool {
-	return strings.Contains(s, "_netaudio-cmc._udp") || strings.Contains(s, "_netaudio-arc._udp")
+	return strings.Contains(s, "_netaudio-cmc._udp") || strings.Contains(s, "_netaudio-arc._udp") || strings.Contains(s, "_netaudio-chan._udp")
 }
 
 func extractNetaudioName(s string) string {
@@ -40,6 +40,18 @@ func extractNetaudioName(s string) string {
 	return ""
 }
 
+func extractNetaudioChanDevice(s string) string {
+	idx := strings.Index(s, "._netaudio-chan._udp")
+	if idx <= 0 {
+		return ""
+	}
+	name := strings.ReplaceAll(s[:idx], "\\", "")
+	if atIdx := strings.Index(name, "@"); atIdx >= 0 {
+		return name[atIdx+1:]
+	}
+	return ""
+}
+
 func (t *Tendrils) listenMDNS(ctx context.Context, iface net.Interface) {
 	addr, err := net.ResolveUDPAddr("udp4", mdnsAddr)
 	if err != nil {
@@ -129,6 +141,9 @@ func (t *Tendrils) processMDNSResponse(ifaceName string, srcIP net.IP, msg *dns.
 			}
 			if isNetaudioService(r.Hdr.Name) {
 				name := extractNetaudioName(r.Hdr.Name)
+				if name == "" {
+					name = extractNetaudioChanDevice(r.Hdr.Name)
+				}
 				if name != "" {
 					netaudioNames[name] = true
 					if target != "" {
@@ -195,6 +210,7 @@ var mdnsServices = []string{
 	"_hyperdeck_ctrl._tcp.local.",
 	"_netaudio-cmc._udp.local.",
 	"_netaudio-arc._udp.local.",
+	"_netaudio-chan._udp.local.",
 }
 
 func (t *Tendrils) runMDNSQuerier(ctx context.Context, iface net.Interface, conn *net.UDPConn) {