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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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26 changed files with 762 additions and 31 deletions
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40
app/src/notquitemy/java/com/cappielloantonio/tempo/service/MediaService.kt
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@ -5,7 +5,9 @@ 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.Bundle
import android.os.IBinder
import androidx.media3.common.*
import androidx.media3.common.util.UnstableApi
import androidx.media3.exoplayer.DefaultLoadControl
@ -34,9 +36,18 @@ class MediaService : MediaLibraryService() {
private lateinit var mediaLibrarySession: MediaLibrarySession
private lateinit var shuffleCommands: List<CommandButton>
private lateinit var repeatCommands: List<CommandButton>
lateinit var equalizerManager: EqualizerManager
private var customLayout = ImmutableList.of<CommandButton>()
inner class LocalBinder : Binder() {
fun getEqualizerManager(): EqualizerManager {
return this@MediaService.equalizerManager
}
}
private val binder = LocalBinder()
companion object {
private const val CUSTOM_COMMAND_TOGGLE_SHUFFLE_MODE_ON =
"android.media3.session.demo.SHUFFLE_ON"
@ -48,6 +59,7 @@ class MediaService : MediaLibraryService() {
"android.media3.session.demo.REPEAT_ONE"
private const val CUSTOM_COMMAND_TOGGLE_REPEAT_MODE_ALL =
"android.media3.session.demo.REPEAT_ALL"
const val ACTION_BIND_EQUALIZER = "com.cappielloantonio.tempo.service.BIND_EQUALIZER"
}
override fun onCreate() {
@ -57,6 +69,7 @@ class MediaService : MediaLibraryService() {
initializePlayer()
initializeMediaLibrarySession()
initializePlayerListener()
initializeEqualizerManager()
setPlayer(player)
}
@ -66,10 +79,20 @@ class MediaService : MediaLibraryService() {
}
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 inner class CustomMediaLibrarySessionCallback : MediaLibrarySession.Callback {
override fun onConnect(
@ -197,6 +220,23 @@ class MediaService : MediaLibraryService() {
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 initializeMediaLibrarySession() {
val sessionActivityPendingIntent =
TaskStackBuilder.create(this).run {