Rockbox open source high quality audio player as a Music Player Daemon
mpris
rockbox
mpd
libadwaita
audio
rust
zig
deno
Boot embedded daemon from RockboxRpcModule.OnCreate, not on first play
NowPlayingService.onCreate only fires after JS calls RockboxNowPlaying.update(), which only happens once playback starts. RockboxRpcModule.OnCreate runs the moment the Expo module loads (app start) — much earlier and unconditional. Daemon now boots even if the user just opens the app and looks at the discovery list.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
+33
+3
expo/modules/rockbox-now-playing/android/src/main/java/expo/modules/rockboxnowplaying/NowPlayingService.kt
+3
expo/modules/rockbox-now-playing/android/src/main/java/expo/modules/rockboxnowplaying/NowPlayingService.kt
···
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override fun onCreate() {
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super.onCreate()
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ensureNotificationChannel()
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/* Daemon now boots from RockboxRpcModule.OnCreate (app start) instead
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* of here (first-playback). Keep bootEmbeddedDaemon() as a no-op-ish
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* fallback that just logs the daemon state — useful for debugging. */
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bootEmbeddedDaemon()
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mediaSession = MediaSessionCompat(this, "RockboxNowPlaying").apply {
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expo/modules/rockbox-rpc/android/src/main/java/expo/modules/rockboxrpc/RockboxRpcModule.kt
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expo/modules/rockbox-rpc/android/src/main/java/expo/modules/rockboxrpc/RockboxRpcModule.kt
···
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"rockbox.error",
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)
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// Boot the in-process rockbox daemon when the module loads (app start).
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// Calls rb_daemon_start (firmware boot + gRPC/HTTP/GraphQL/MPD servers
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// on 6061/6063/6062/6600) on a background thread so the Expo runtime
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// isn't blocked. The native call returns -38 (ENOSYS) on builds without
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// the embedded-daemon cargo feature — those keep the remote-only path.
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OnCreate {
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val ctx = appContext.reactContext ?: return@OnCreate
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scope.launch {
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try {
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val configDir = ctx.applicationContext.filesDir.absolutePath
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val musicDir = android.os.Environment
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.getExternalStoragePublicDirectory(android.os.Environment.DIRECTORY_MUSIC)
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.absolutePath
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val deviceName = android.os.Build.MODEL ?: "rockbox-android"
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android.util.Log.i("RockboxRpc",
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"OnCreate: starting embedded daemon (config=$configDir music=$musicDir)")
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val rc = rb_daemon_start(configDir, musicDir, deviceName)
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when {
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rc > 0 -> android.util.Log.i("RockboxRpc", "embedded daemon started, gRPC :$rc")
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rc == -38 -> android.util.Log.i("RockboxRpc", "embedded daemon not built into this .so (remote-only mode)")
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rc == -114 -> android.util.Log.i("RockboxRpc", "embedded daemon already running")
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else -> android.util.Log.w("RockboxRpc", "embedded daemon start failed rc=$rc")
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}
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} catch (t: Throwable) {
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android.util.Log.e("RockboxRpc",
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"embedded daemon threw: ${t.javaClass.simpleName}: ${t.message}", t)
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}
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}
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}
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Function("rockboxServiceName") {
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rb_rockbox_service_name() ?: "_rockbox._tcp.local."
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}