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feat: Add audio equalizer with UI

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This commit is contained in:
Jaime García 2025-09-08 19:28:34 +02:00
parent c62d2ace4d
commit 7c0d44680f
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GPG key ID: BC4E5F71A71BDA5B
26 changed files with 762 additions and 31 deletions
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43
app/src/play/java/com/cappielloantonio/tempo/service/MediaService.kt
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@ -4,6 +4,8 @@ import android.app.PendingIntent.FLAG_IMMUTABLE
import android.app.PendingIntent.FLAG_UPDATE_CURRENT
import android.app.TaskStackBuilder
import android.content.Intent
import android.os.Binder
import android.os.IBinder
import androidx.media3.cast.CastPlayer
import androidx.media3.cast.SessionAvailabilityListener
import androidx.media3.common.AudioAttributes
@ -34,6 +36,19 @@ class MediaService : MediaLibraryService(), SessionAvailabilityListener {
private lateinit var castPlayer: CastPlayer
private lateinit var mediaLibrarySession: MediaLibrarySession
private lateinit var librarySessionCallback: MediaLibrarySessionCallback
lateinit var equalizerManager: EqualizerManager
inner class LocalBinder : Binder() {
fun getEqualizerManager(): EqualizerManager {
return this@MediaService.equalizerManager
}
}
private val binder = LocalBinder()
companion object {
const val ACTION_BIND_EQUALIZER = "com.cappielloantonio.tempo.service.BIND_EQUALIZER"
}
override fun onCreate() {
super.onCreate()
@ -43,6 +58,7 @@ class MediaService : MediaLibraryService(), SessionAvailabilityListener {
initializeCastPlayer()
initializeMediaLibrarySession()
initializePlayerListener()
initializeEqualizerManager()
setPlayer(
null,
@ -63,10 +79,20 @@ class MediaService : MediaLibraryService(), SessionAvailabilityListener {
}
override fun onDestroy() {
equalizerManager.release()
releasePlayer()
super.onDestroy()
}
override fun onBind(intent: Intent?): IBinder? {
// Check if the intent is for our custom equalizer binder
if (intent?.action == ACTION_BIND_EQUALIZER) {
return binder
}
// Otherwise, handle it as a normal MediaLibraryService connection
return super.onBind(intent)
}
private fun initializeRepository() {
automotiveRepository = AutomotiveRepository()
}
@ -85,6 +111,23 @@ class MediaService : MediaLibraryService(), SessionAvailabilityListener {
player.repeatMode = Preferences.getRepeatMode()
}
private fun initializeEqualizerManager() {
equalizerManager = EqualizerManager()
val audioSessionId = player.audioSessionId
if (equalizerManager.attachToSession(audioSessionId)) {
val enabled = Preferences.isEqualizerEnabled()
equalizerManager.setEnabled(enabled)
val bands = equalizerManager.getNumberOfBands()
val savedLevels = Preferences.getEqualizerBandLevels(bands)
if (savedLevels != null) {
for (i in 0 until bands) {
equalizerManager.setBandLevel(i.toShort(), savedLevels[i])
}
}
}
}
private fun initializeCastPlayer() {
if (GoogleApiAvailability.getInstance()
.isGooglePlayServicesAvailable(this) == ConnectionResult.SUCCESS