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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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47
app/src/main/java/com/cappielloantonio/tempo/service/EqualizerManager.kt Normal file
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package com.cappielloantonio.tempo.service
import android.media.audiofx.Equalizer
class EqualizerManager {
private var equalizer: Equalizer? = null
fun attachToSession(audioSessionId: Int): Boolean {
release()
if (audioSessionId != 0 && audioSessionId != -1) {
try {
equalizer = Equalizer(0, audioSessionId).apply {
enabled = true
}
return true
} catch (e: Exception) {
// Some devices may not support Equalizer or audio session may be invalid
equalizer = null
}
}
return false
}
fun setBandLevel(band: Short, level: Short) {
equalizer?.setBandLevel(band, level)
}
fun getNumberOfBands(): Short = equalizer?.numberOfBands ?: 0
fun getBandLevelRange(): ShortArray? = equalizer?.bandLevelRange
fun getCenterFreq(band: Short): Int? =
equalizer?.getCenterFreq(band)?.div(1000)
fun getBandLevel(band: Short): Short? =
equalizer?.getBandLevel(band)
fun setEnabled(enabled: Boolean) {
equalizer?.enabled = enabled
}
fun release() {
equalizer?.release()
equalizer = null
}
}