mirror of
https://github.com/antebudimir/tempus.git
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feat: Add audio equalizer with UI
This commit is contained in:
Jaime García
parent
c62d2ace4d
commit
7c0d44680f
26 changed files with 762 additions and 31 deletions
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@ -0,0 +1,47 @@
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package com.cappielloantonio.tempo.service
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import android.media.audiofx.Equalizer
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class EqualizerManager {
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private var equalizer: Equalizer? = null
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fun attachToSession(audioSessionId: Int): Boolean {
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release()
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if (audioSessionId != 0 && audioSessionId != -1) {
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try {
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equalizer = Equalizer(0, audioSessionId).apply {
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enabled = true
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}
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return true
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} catch (e: Exception) {
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// Some devices may not support Equalizer or audio session may be invalid
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equalizer = null
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}
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}
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return false
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}
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fun setBandLevel(band: Short, level: Short) {
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equalizer?.setBandLevel(band, level)
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}
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fun getNumberOfBands(): Short = equalizer?.numberOfBands ?: 0
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fun getBandLevelRange(): ShortArray? = equalizer?.bandLevelRange
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fun getCenterFreq(band: Short): Int? =
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equalizer?.getCenterFreq(band)?.div(1000)
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fun getBandLevel(band: Short): Short? =
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equalizer?.getBandLevel(band)
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fun setEnabled(enabled: Boolean) {
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equalizer?.enabled = enabled
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}
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fun release() {
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equalizer?.release()
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equalizer = null
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}
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}
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@ -0,0 +1,225 @@
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package com.cappielloantonio.tempo.ui.fragment
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import android.content.ComponentName
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import android.content.Context
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import android.content.Intent
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import android.content.ServiceConnection
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import android.os.Bundle
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import android.os.IBinder
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import android.view.Gravity
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import android.view.LayoutInflater
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import android.view.View
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import android.view.ViewGroup
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import android.widget.*
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import androidx.annotation.OptIn
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import androidx.fragment.app.Fragment
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import androidx.media3.common.util.UnstableApi
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import com.cappielloantonio.tempo.R
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import com.cappielloantonio.tempo.service.EqualizerManager
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import com.cappielloantonio.tempo.service.MediaService
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import com.cappielloantonio.tempo.util.Preferences
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class EqualizerFragment : Fragment() {
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private var equalizerManager: EqualizerManager? = null
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private lateinit var eqBandsContainer: LinearLayout
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private lateinit var eqSwitch: Switch
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private lateinit var resetButton: Button
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private lateinit var safeSpace: Space
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private val bandSeekBars = mutableListOf<SeekBar>()
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private val connection = object : ServiceConnection {
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@OptIn(UnstableApi::class)
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override fun onServiceConnected(className: ComponentName, service: IBinder) {
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val binder = service as MediaService.LocalBinder
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equalizerManager = binder.getEqualizerManager()
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initUI()
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restoreEqualizerPreferences()
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}
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override fun onServiceDisconnected(arg0: ComponentName) {
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equalizerManager = null
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}
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}
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@OptIn(UnstableApi::class)
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override fun onStart() {
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super.onStart()
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Intent(requireContext(), MediaService::class.java).also { intent ->
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intent.action = MediaService.ACTION_BIND_EQUALIZER
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requireActivity().bindService(intent, connection, Context.BIND_AUTO_CREATE)
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}
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}
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override fun onStop() {
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super.onStop()
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requireActivity().unbindService(connection)
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equalizerManager = null
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}
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override fun onCreateView(
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inflater: LayoutInflater, container: ViewGroup?,
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savedInstanceState: Bundle?
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): View? {
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return inflater.inflate(R.layout.fragment_equalizer, container, false)
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}
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override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
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super.onViewCreated(view, savedInstanceState)
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eqBandsContainer = view.findViewById(R.id.eq_bands_container)
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eqSwitch = view.findViewById(R.id.equalizer_switch)
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resetButton = view.findViewById(R.id.equalizer_reset_button)
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safeSpace = view.findViewById(R.id.equalizer_bottom_space)
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}
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private fun initUI() {
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val manager = equalizerManager
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val notSupportedView = view?.findViewById<LinearLayout>(R.id.equalizer_not_supported_container)
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val switchRow = view?.findViewById<View>(R.id.equalizer_switch_row)
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if (manager == null || manager.getNumberOfBands().toInt() == 0) {
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switchRow?.visibility = View.GONE
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resetButton.visibility = View.GONE
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eqBandsContainer.visibility = View.GONE
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safeSpace.visibility = View.GONE
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notSupportedView?.visibility = View.VISIBLE
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return
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}
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notSupportedView?.visibility = View.GONE
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switchRow?.visibility = View.VISIBLE
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resetButton.visibility = View.VISIBLE
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eqBandsContainer.visibility = View.VISIBLE
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safeSpace.visibility = View.VISIBLE
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eqSwitch.setOnCheckedChangeListener(null)
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eqSwitch.isChecked = Preferences.isEqualizerEnabled()
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updateUiEnabledState(eqSwitch.isChecked)
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eqSwitch.setOnCheckedChangeListener { _, isChecked ->
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manager.setEnabled(isChecked)
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Preferences.setEqualizerEnabled(isChecked)
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updateUiEnabledState(isChecked)
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}
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createBandSliders()
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resetButton.setOnClickListener {
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resetEqualizer()
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saveBandLevelsToPreferences()
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}
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}
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private fun updateUiEnabledState(isEnabled: Boolean) {
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resetButton.isEnabled = isEnabled
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bandSeekBars.forEach { it.isEnabled = isEnabled }
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}
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private fun createBandSliders() {
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val manager = equalizerManager ?: return
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eqBandsContainer.removeAllViews()
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bandSeekBars.clear()
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val bands = manager.getNumberOfBands()
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val bandLevelRange = manager.getBandLevelRange() ?: shortArrayOf(-1500, 1500)
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val minLevel = bandLevelRange[0].toInt()
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val maxLevel = bandLevelRange[1].toInt()
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val savedLevels = Preferences.getEqualizerBandLevels(bands)
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for (i in 0 until bands) {
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val band = i.toShort()
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val freq = manager.getCenterFreq(band) ?: 0
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val row = LinearLayout(requireContext()).apply {
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orientation = LinearLayout.HORIZONTAL
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layoutParams = LinearLayout.LayoutParams(
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LinearLayout.LayoutParams.MATCH_PARENT,
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LinearLayout.LayoutParams.WRAP_CONTENT
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).apply {
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topMargin = 24
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bottomMargin = 24
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}
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setPadding(0, 8, 0, 8)
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}
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val freqLabel = TextView(requireContext(), null, 0, R.style.LabelSmall).apply {
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text = if (freq >= 1000) {
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if (freq % 1000 == 0) {
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"${freq / 1000} kHz"
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} else {
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String.format("%.1f kHz", freq / 1000f)
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}
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} else {
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"$freq Hz"
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}
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width = 120
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}
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row.addView(freqLabel)
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val initialLevel = savedLevels.getOrNull(i) ?: (manager.getBandLevel(band)?.toInt() ?: 0)
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val dbLabel = TextView(requireContext(), null, 0, R.style.LabelSmall).apply {
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text = "${(initialLevel.toInt() / 100)} dB"
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setPadding(12, 0, 0, 0)
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width = 120
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gravity = Gravity.END
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}
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val seekBar = SeekBar(requireContext()).apply {
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max = maxLevel - minLevel
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progress = initialLevel.toInt() - minLevel
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layoutParams = LinearLayout.LayoutParams(0, LinearLayout.LayoutParams.WRAP_CONTENT, 1f)
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setOnSeekBarChangeListener(object : SeekBar.OnSeekBarChangeListener {
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override fun onProgressChanged(seekBar: SeekBar, progress: Int, fromUser: Boolean) {
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val thisLevel = (progress + minLevel).toShort()
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if (fromUser) {
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manager.setBandLevel(band, thisLevel)
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saveBandLevelsToPreferences()
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}
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dbLabel.text = "${((progress + minLevel) / 100)} dB"
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}
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override fun onStartTrackingTouch(seekBar: SeekBar) {}
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override fun onStopTrackingTouch(seekBar: SeekBar) {}
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})
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}
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bandSeekBars.add(seekBar)
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row.addView(seekBar)
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row.addView(dbLabel)
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eqBandsContainer.addView(row)
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}
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}
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private fun resetEqualizer() {
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val manager = equalizerManager ?: return
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val bands = manager.getNumberOfBands()
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val bandLevelRange = manager.getBandLevelRange() ?: shortArrayOf(-1500, 1500)
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val minLevel = bandLevelRange[0].toInt()
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val midLevel = 0
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for (i in 0 until bands) {
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manager.setBandLevel(i.toShort(), midLevel.toShort())
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bandSeekBars.getOrNull(i)?.progress = midLevel - minLevel
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}
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Preferences.setEqualizerBandLevels(ShortArray(bands.toInt()))
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}
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private fun saveBandLevelsToPreferences() {
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val manager = equalizerManager ?: return
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val bands = manager.getNumberOfBands()
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val levels = ShortArray(bands.toInt()) { i -> manager.getBandLevel(i.toShort()) ?: 0 }
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Preferences.setEqualizerBandLevels(levels)
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}
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private fun restoreEqualizerPreferences() {
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val manager = equalizerManager ?: return
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eqSwitch.isChecked = Preferences.isEqualizerEnabled()
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updateUiEnabledState(eqSwitch.isChecked)
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val bands = manager.getNumberOfBands()
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val bandLevelRange = manager.getBandLevelRange() ?: shortArrayOf(-1500, 1500)
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val minLevel = bandLevelRange[0].toInt()
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val savedLevels = Preferences.getEqualizerBandLevels(bands)
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if (savedLevels != null) {
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for (i in 0 until bands) {
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manager.setBandLevel(i.toShort(), savedLevels[i])
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bandSeekBars.getOrNull(i)?.progress = savedLevels[i] - minLevel
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}
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}
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}
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}
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@ -24,6 +24,8 @@ import androidx.media3.common.util.RepeatModeUtil;
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import androidx.media3.common.util.UnstableApi;
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import androidx.media3.session.MediaBrowser;
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import androidx.media3.session.SessionToken;
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import androidx.navigation.NavController;
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import androidx.navigation.NavOptions;
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import androidx.navigation.fragment.NavHostFragment;
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import androidx.viewpager2.widget.ViewPager2;
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@ -68,6 +70,7 @@ public class PlayerControllerFragment extends Fragment {
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private ImageButton playerOpenQueueButton;
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private ImageButton playerTrackInfo;
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private LinearLayout ratingContainer;
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private ImageButton equalizerButton;
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private MainActivity activity;
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private PlayerBottomSheetViewModel playerBottomSheetViewModel;
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@ -89,6 +92,7 @@ public class PlayerControllerFragment extends Fragment {
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initMediaListenable();
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initMediaLabelButton();
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initArtistLabelButton();
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initEqualizerButton();
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return view;
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}
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@ -126,6 +130,7 @@ public class PlayerControllerFragment extends Fragment {
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playerTrackInfo = bind.getRoot().findViewById(R.id.player_info_track);
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songRatingBar = bind.getRoot().findViewById(R.id.song_rating_bar);
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ratingContainer = bind.getRoot().findViewById(R.id.rating_container);
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equalizerButton = bind.getRoot().findViewById(R.id.player_open_equalizer_button);
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checkAndSetRatingContainerVisibility();
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}
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@ -426,6 +431,18 @@ public class PlayerControllerFragment extends Fragment {
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});
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}
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private void initEqualizerButton() {
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equalizerButton.setOnClickListener(v -> {
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NavController navController = NavHostFragment.findNavController(this);
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NavOptions navOptions = new NavOptions.Builder()
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.setLaunchSingleTop(true)
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.setPopUpTo(R.id.equalizerFragment, true)
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.build();
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navController.navigate(R.id.equalizerFragment, null, navOptions);
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if (activity != null) activity.collapseBottomSheetDelayed();
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});
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}
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public void goToControllerPage() {
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playerMediaCoverViewPager.setCurrentItem(0, false);
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}
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@ -18,6 +18,9 @@ import androidx.appcompat.app.AppCompatDelegate;
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import androidx.core.os.LocaleListCompat;
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import androidx.lifecycle.ViewModelProvider;
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import androidx.media3.common.util.UnstableApi;
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import androidx.navigation.NavController;
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import androidx.navigation.NavOptions;
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import androidx.navigation.fragment.NavHostFragment;
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import androidx.preference.ListPreference;
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import androidx.preference.Preference;
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import androidx.preference.PreferenceFragmentCompat;
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@ -86,7 +89,7 @@ public class SettingsFragment extends PreferenceFragmentCompat {
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public void onResume() {
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super.onResume();
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checkEqualizer();
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checkSystemEqualizer();
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checkCacheStorage();
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checkStorage();
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@ -102,6 +105,7 @@ public class SettingsFragment extends PreferenceFragmentCompat {
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actionChangeDownloadStorage();
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actionDeleteDownloadStorage();
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actionKeepScreenOn();
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actionAppEqualizer();
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}
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@Override
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@ -124,8 +128,8 @@ public class SettingsFragment extends PreferenceFragmentCompat {
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}
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}
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private void checkEqualizer() {
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Preference equalizer = findPreference("equalizer");
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private void checkSystemEqualizer() {
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Preference equalizer = findPreference("system_equalizer");
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if (equalizer == null) return;
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@ -353,4 +357,21 @@ public class SettingsFragment extends PreferenceFragmentCompat {
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return true;
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});
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}
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private void actionAppEqualizer() {
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Preference appEqualizer = findPreference("app_equalizer");
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if (appEqualizer != null) {
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appEqualizer.setOnPreferenceClickListener(preference -> {
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NavController navController = NavHostFragment.findNavController(this);
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NavOptions navOptions = new NavOptions.Builder()
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.setLaunchSingleTop(true)
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.setPopUpTo(R.id.equalizerFragment, true)
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.build();
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activity.setBottomNavigationBarVisibility(true);
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activity.setBottomSheetVisibility(true);
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navController.navigate(R.id.equalizerFragment, null, navOptions);
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return true;
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});
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}
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}
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}
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@ -69,7 +69,8 @@ object Preferences {
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private const val NEXT_UPDATE_CHECK = "next_update_check"
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private const val CONTINUOUS_PLAY = "continuous_play"
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private const val LAST_INSTANT_MIX = "last_instant_mix"
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private const val EQUALIZER_ENABLED = "equalizer_enabled"
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private const val EQUALIZER_BAND_LEVELS = "equalizer_band_levels"
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@JvmStatic
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fun getServer(): String? {
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@ -538,4 +539,31 @@ object Preferences {
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LAST_INSTANT_MIX, 0
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) + 5000 < System.currentTimeMillis()
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}
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@JvmStatic
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fun setEqualizerEnabled(enabled: Boolean) {
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App.getInstance().preferences.edit().putBoolean(EQUALIZER_ENABLED, enabled).apply()
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}
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@JvmStatic
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fun isEqualizerEnabled(): Boolean {
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return App.getInstance().preferences.getBoolean(EQUALIZER_ENABLED, false)
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}
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@JvmStatic
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fun setEqualizerBandLevels(bandLevels: ShortArray) {
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val asString = bandLevels.joinToString(",")
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App.getInstance().preferences.edit().putString(EQUALIZER_BAND_LEVELS, asString).apply()
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}
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@JvmStatic
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fun getEqualizerBandLevels(bandCount: Short): ShortArray {
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val str = App.getInstance().preferences.getString(EQUALIZER_BAND_LEVELS, null)
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if (str.isNullOrBlank()) {
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return ShortArray(bandCount.toInt())
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}
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val parts = str.split(",")
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if (parts.size < bandCount) return ShortArray(bandCount.toInt())
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return ShortArray(bandCount.toInt()) { i -> parts[i].toShortOrNull() ?: 0 }
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}
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}
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