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Code Issues Packages Projects Releases Activity

feat(audio): add 10-band equalizer and audio presets

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Michatec
2026-04-06 13:27:53 +02:00
parent 0d0980a1ef
commit 0d35770375
11 changed files with 949 additions and 214 deletions
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app/src/main/java/com/michatec/radio/PlayerService.kt
+49 -8
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@@ -286,20 +286,61 @@ class PlayerService : MediaLibraryService(), SharedPreferences.OnSharedPreferenc
/* Applies audio effects based on preferences */
private fun applyAudioEffects() {
nativeAudioProcessor.enableBassBoost(PreferencesHelper.loadBassBoost())
nativeAudioProcessor.setReverb(PreferencesHelper.loadReverb())
nativeAudioProcessor.enableDrc(PreferencesHelper.loadDrcEnabled())
nativeAudioProcessor.setEq(0, PreferencesHelper.loadEqLow())
nativeAudioProcessor.setEq(1, PreferencesHelper.loadEqMid())
nativeAudioProcessor.setEq(2, PreferencesHelper.loadEqHigh())
val selectedPreset = PreferencesHelper.loadSelectedPreset()
if (selectedPreset.isNotEmpty()) {
applyPreset(selectedPreset)
} else {
// Apply manual settings
nativeAudioProcessor.enableBassBoost(PreferencesHelper.loadBassBoost())
nativeAudioProcessor.setReverb(PreferencesHelper.loadReverb())
nativeAudioProcessor.enableDrc(PreferencesHelper.loadDrcEnabled())
nativeAudioProcessor.setWidth(1f)
// Apply all 10 EQ bands
val eqGains = FloatArray(10)
for (i in 0 until 10) {
eqGains[i] = PreferencesHelper.loadEqBand(i).toFloat()
}
nativeAudioProcessor.setEqAll(eqGains)
}
}
/* Applies a saved preset */
private fun applyPreset(presetName: String) {
when (presetName) {
getString(R.string.pref_preset_rock) -> nativeAudioProcessor.setPresetRock()
getString(R.string.pref_preset_pop) -> nativeAudioProcessor.setPresetPop()
getString(R.string.pref_preset_jazz) -> nativeAudioProcessor.setPresetJazz()
getString(R.string.pref_preset_flat) -> nativeAudioProcessor.setPresetFlat()
else -> {
// Custom preset - load from preferences
nativeAudioProcessor.enableDrc(PreferencesHelper.loadPresetDrc())
nativeAudioProcessor.setReverb(PreferencesHelper.loadPresetReverb())
nativeAudioProcessor.setWidth(PreferencesHelper.loadPresetStereoWidth())
nativeAudioProcessor.enableBassBoost(PreferencesHelper.loadPresetBassBoost())
val eqGains = FloatArray(10)
for (i in 0 until 10) {
eqGains[i] = PreferencesHelper.loadPresetEqBand(i).toFloat()
}
nativeAudioProcessor.setEqAll(eqGains)
}
}
}
/* Overrides onSharedPreferenceChanged from SharedPreferences.OnSharedPreferenceChangeListener */
override fun onSharedPreferenceChanged(sharedPreferences: SharedPreferences?, key: String?) {
when (key) {
Keys.PREF_BASS_BOOST, Keys.PREF_REVERB, Keys.PREF_DRC,
Keys.PREF_EQ_LOW, Keys.PREF_EQ_MID, Keys.PREF_EQ_HIGH -> {
Keys.PREF_BASS_BOOST, Keys.PREF_REVERB, Keys.PREF_DRC,
Keys.PREF_EQ_LOW, Keys.PREF_EQ_MID, Keys.PREF_EQ_HIGH,
Keys.PREF_EQ_BAND_1, Keys.PREF_EQ_BAND_2, Keys.PREF_EQ_BAND_3,
Keys.PREF_EQ_BAND_4, Keys.PREF_EQ_BAND_5, Keys.PREF_EQ_BAND_6,
Keys.PREF_EQ_BAND_7, Keys.PREF_EQ_BAND_8,
Keys.PREF_PRESET_SELECTED,
Keys.PREF_PRESET_EQ_BAND_0, Keys.PREF_PRESET_EQ_BAND_1, Keys.PREF_PRESET_EQ_BAND_2,
Keys.PREF_PRESET_EQ_BAND_3, Keys.PREF_PRESET_EQ_BAND_4, Keys.PREF_PRESET_EQ_BAND_5,
Keys.PREF_PRESET_EQ_BAND_6, Keys.PREF_PRESET_EQ_BAND_7, Keys.PREF_PRESET_EQ_BAND_8,
Keys.PREF_PRESET_EQ_BAND_9,
Keys.PREF_PRESET_BASS_BOOST, Keys.PREF_PRESET_REVERB,
Keys.PREF_PRESET_DRC, Keys.PREF_PRESET_STEREO_WIDTH -> {
applyAudioEffects()
}
}