Merge branch 'main' into feature/multi-artist-genre

backend/app.go

@@ -110,8 +110,9 @@ func StartupApp(appName, displayAppName, appVersionTag, configFile, latestReleas
 		_, _ = a.ImageManager.GetCoverThumbnail(coverID)
 	})
 
+	// OS media center integrations
 	a.setupMPRIS(displayAppName)
-	a.setupMPMedia()
+	InitMPMediaHandler(a.Player, a.PlaybackManager, a.ImageManager.GetCoverArtUrl)
 
 	return a, nil
 }
@@ -233,17 +234,6 @@ func (a *App) setupMPRIS(mprisAppName string) {
 	a.MPRISHandler.Start()
 }
 
-func (a *App) setupMPMedia() {
-	a.MPMediaHandler = NewMPMediaHandler(a.Player, a.PlaybackManager)
-	if a.MPMediaHandler != nil {
-		a.MPMediaHandler.ArtURLLookup = func(coverID string) (string, error) {
-			// artwork needs to be in cache before playback, so cover is retrieved in advance.
-			a.ImageManager.GetCoverThumbnail(coverID)
-			return a.ImageManager.GetCoverArtUrl(coverID)
-		}
-	}
-}
-
 func (a *App) LoginToDefaultServer(string) error {
 	serverCfg := a.ServerManager.GetDefaultServer()
 	if serverCfg == nil {

backend/mpmedia.go

@@ -1,12 +0,0 @@
-package backend
-
-import (
-	"github.com/dweymouth/supersonic/player"
-)
-
-// MPMediaHandler is the handler for MacOS media controls and system events.
-type MPMediaHandler struct {
-	player          *player.Player
-	playbackManager *PlaybackManager
-	ArtURLLookup    func(trackID string) (string, error)
-}

backend/mpmedia_mac.go

@@ -49,16 +49,24 @@ func os_remote_command_callback(command C.Command, value C.double) {
 	}
 }
 
+// MPMediaHandler is the handler for MacOS media controls and system events.
+type MPMediaHandler struct {
+	player          *player.Player
+	playbackManager *PlaybackManager
+	artURLLookup    func(string) (string, error)
+}
+
 // global recipient for Object-C callbacks from command center.
 // This is global so that it can be called from 'os_remote_command_callback' to avoid passing Go pointers into C.
 var mpMediaEventRecipient *MPMediaHandler
 
 // NewMPMediaHandler creates a new MPMediaHandler instances and sets it as the current recipient
 // for incoming system events.
-func NewMPMediaHandler(player *player.Player, playbackManager *PlaybackManager) *MPMediaHandler {
+func InitMPMediaHandler(player *player.Player, playbackManager *PlaybackManager, artURLLookup func(trackID string) (string, error)) error {
 	mp := &MPMediaHandler{
 		player:          player,
 		playbackManager: playbackManager,
+		artURLLookup:    artURLLookup,
 	}
 
 	// register remote commands and set callback target
@@ -66,33 +74,31 @@ func NewMPMediaHandler(player *player.Player, playbackManager *PlaybackManager)
 	C.register_os_remote_commands()
 
 	mp.playbackManager.OnSongChange(func(track, _ *mediaprovider.Track) {
+		var title, artist, artURL string
+		var duration int
 		if track != nil && track.ID != "" {
-			var artURL string
-			if mp.ArtURLLookup != nil {
 			var err error
-				if artURL, err = mp.ArtURLLookup(track.CoverArtID); err != nil {
+			if artURL, err = mp.artURLLookup(track.CoverArtID); err != nil {
 				log.Printf("error fetching art url: %s", err.Error())
 			}
-			}
+			title = track.Name
-
-			cTitle := C.CString(track.Name)
-			defer C.free(unsafe.Pointer(cTitle))
-
-			var artist string
-			if len(track.ArtistNames) > 0 {
 			artist = strings.Join(track.ArtistNames, ", ")
+			duration = track.Duration
 		}
 
+		cTitle := C.CString(title)
+		defer C.free(unsafe.Pointer(cTitle))
+
 		cArtist := C.CString(artist)
 		defer C.free(unsafe.Pointer(cArtist))
 
 		cArtURL := C.CString(artURL)
 		defer C.free(unsafe.Pointer(cArtURL))
 
-			cTrackDuration := C.double(track.Duration)
+		cTrackDuration := C.double(duration)
 
 		C.set_os_now_playing_info(cTitle, cArtist, cArtURL, cTrackDuration)
-		}
+
 	})
 
 	mp.player.OnStopped(func() {
@@ -113,7 +119,7 @@ func NewMPMediaHandler(player *player.Player, playbackManager *PlaybackManager)
 		C.update_os_now_playing_info_position(C.double(mp.player.GetStatus().TimePos))
 	})
 
-	return mp
+	return nil
 }
 
 /**

backend/mpmedia_other.go

@@ -2,9 +2,13 @@
 
 package backend
 
-import "github.com/dweymouth/supersonic/player"
+import (
+	"errors"
 
-func NewMPMediaHandler(player *player.Player, playbackManager *PlaybackManager) *MPMediaHandler {
+	"github.com/dweymouth/supersonic/player"
+)
+
+func InitMPMediaHandler(player *player.Player, playbackManager *PlaybackManager, artURLLookup func(trackID string) (string, error)) error {
 	// MPMediaHandler only supports macOS.
-	return nil
+	return errors.New("unsupported platform")
 }

player/player.go

@@ -367,6 +367,10 @@ func (p *Player) PlayFromBeginning() error {
 
 // Start playback from the specified track index in the play queue.
 func (p *Player) PlayTrackAt(idx int) error {
+	// check if we have anything to play
+	if c, err := p.getInt64Property("playlist-count"); err == nil && c <= int64(idx) {
+		return nil
+	}
 	err := p.mpv.Command([]string{"playlist-play-index", strconv.Itoa(idx)})
 	if p.GetStatus().State == Paused {
 		err = p.setPaused(false)