Fix #614: Update go-upnpcast for device discovery fix

backend/playbackengine.go

@@ -102,7 +102,6 @@ type playbackEngine struct {
 	onPaused           []func()
 	onStopped          []func()
 	onPlaying          []func()
-	onPlayerChange     []func()
 	onQueueChange      []func()
 }
 
@@ -171,10 +170,6 @@ func (p *playbackEngine) unregisterPlayerCallbacks(pl player.BasePlayer) {
 }
 
 func (p *playbackEngine) SetPlayer(pl player.BasePlayer) error {
-	// even if we don't successfully change players,
-	// make sure UI updates if needed (eg enabling cast button)
-	defer p.invokeNoArgCallbacks(p.onPlayerChange)
-
 	needToUnpause := false
 
 	stat := p.CurrentPlayer().GetStatus()
@@ -209,7 +204,6 @@ func (p *playbackEngine) SetPlayer(pl player.BasePlayer) error {
 		p.playTrackAt(p.nowPlayingIdx, p.pendingPlayerChangeStatus.TimePos)
 		p.pendingPlayerChange = false
 	}
-	p.invokeNoArgCallbacks(p.onPlayerChange)
 	vol := pl.GetVolume()
 	if oldVol != vol {
 		for _, cb := range p.onVolumeChange {

backend/playbackmanager.go

@@ -37,6 +37,7 @@ type PlaybackManager struct {
 	currentRemotePlayer *RemotePlaybackDevice
 
 	onWaveformImgUpdate []func(*WaveformImage)
+	onPlayerChange      []func()
 
 	lastPlayTime         float64
 	lastPlayingID        string
@@ -252,6 +253,14 @@ func (p *PlaybackManager) CurrentRemotePlayer() *RemotePlaybackDevice {
 }
 
 func (p *PlaybackManager) SetRemotePlayer(rp *RemotePlaybackDevice) error {
+	// Even in case of failure, call onPlayerChange callbacks to update UI
+	// (such as enabling/disabling cast button)
+	defer func() {
+		for _, cb := range p.onPlayerChange {
+			cb()
+		}
+	}()
+
 	p.cmdQueue.Clear()
 	if rp == nil {
 		if err := p.engine.SetPlayer(p.localPlayer); err != nil {
@@ -278,7 +287,7 @@ func (p *PlaybackManager) CurrentPlayer() player.BasePlayer {
 }
 
 func (p *PlaybackManager) OnPlayerChange(cb func()) {
-	p.engine.onPlayerChange = append(p.engine.onPlayerChange, cb)
+	p.onPlayerChange = append(p.onPlayerChange, cb)
 }
 
 func (p *PlaybackManager) OnWaveformImgUpdate(cb func(*WaveformImage)) {

go.mod

@@ -23,7 +23,7 @@ require (
 	github.com/supersonic-app/fyne-lyrics v0.0.0-20250614151306-b1880a70a410
 	github.com/supersonic-app/go-mpv v0.1.1-0.20250822102843-7a8cde5f5449
 	github.com/supersonic-app/go-subsonic v0.0.0-20260125165421-1efaa048a150
-	github.com/supersonic-app/go-upnpcast v0.0.0-20251031171049-45a308877fe8
+	github.com/supersonic-app/go-upnpcast v0.1.0
 	github.com/zalando/go-keyring v0.2.6
 	golang.org/x/net v0.49.0
 	golang.org/x/sys v0.40.0

go.sum

@@ -129,8 +129,8 @@ github.com/supersonic-app/go-mpv v0.1.1-0.20250822102843-7a8cde5f5449 h1:UHIPI43
 github.com/supersonic-app/go-mpv v0.1.1-0.20250822102843-7a8cde5f5449/go.mod h1:1bQz6kBQumJopXEbkiqoLxIXLy7F7yWFBvknvpAtIC0=
 github.com/supersonic-app/go-subsonic v0.0.0-20260125165421-1efaa048a150 h1:Wh3EUdJI8bSr2nYtnkmG+bGNzEtGGSW3Rcg4eDM1a0M=
 github.com/supersonic-app/go-subsonic v0.0.0-20260125165421-1efaa048a150/go.mod h1:ClhAgC2qobwH19D6kdwULLYSHlOmldDGkdu2G2Z0Ijo=
-github.com/supersonic-app/go-upnpcast v0.0.0-20251031171049-45a308877fe8 h1:OcFDKpjAwnMHAThS25h1D7sRzKfTVwBhMb+7F9Bsh3E=
+github.com/supersonic-app/go-upnpcast v0.1.0 h1:SL0WVgnqvAVaLT9MSRhSeVwF9pcUw1cgBITKVoWXN3g=
-github.com/supersonic-app/go-upnpcast v0.0.0-20251031171049-45a308877fe8/go.mod h1:2yVB6GhgemDgqOaF80MT15eZaS+l4sscZRn/ArGQ5Bo=
+github.com/supersonic-app/go-upnpcast v0.1.0/go.mod h1:o/QGDTK3qdaS3h9Bt8aH5ywgbWbrPVzPCHlZYFs0IHY=
 github.com/yuin/goldmark v1.7.16 h1:n+CJdUxaFMiDUNnWC3dMWCIQJSkxH4uz3ZwQBkAlVNE=
 github.com/yuin/goldmark v1.7.16/go.mod h1:ip/1k0VRfGynBgxOz0yCqHrbZXhcjxyuS66Brc7iBKg=
 github.com/zalando/go-keyring v0.2.6 h1:r7Yc3+H+Ux0+M72zacZoItR3UDxeWfKTcabvkI8ua9s=