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refactor: Rewrote effect control handling
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6 changes: 2 additions & 4 deletions
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app/src/main/java/me/timschneeberger/rootlessjamesdsp/model/MutedSessionEntry.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,10 +1,8 @@ | ||
| package me.timschneeberger.rootlessjamesdsp.model | ||
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| import android.media.audiofx.DynamicsProcessing | ||
| import kotlinx.coroutines.CoroutineScope | ||
| import kotlinx.coroutines.Dispatchers | ||
| import android.media.audiofx.AudioEffect | ||
|
|
||
| data class MutedSessionEntry( | ||
| var audioSession: AudioSessionEntry, | ||
| var dynamicsProcessing: DynamicsProcessing? | ||
| var audioMuteEffect: AudioEffect? | ||
| ) |
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app/src/main/java/me/timschneeberger/rootlessjamesdsp/utils/AudioEffectFactory.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,154 @@ | ||
| package me.timschneeberger.rootlessjamesdsp.utils | ||
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| import android.media.audiofx.AudioEffect | ||
| import android.media.audiofx.AudioEffectHidden | ||
| import android.media.audiofx.DynamicsProcessing | ||
| import dev.rikka.tools.refine.Refine | ||
| import me.timschneeberger.rootlessjamesdsp.model.AudioSessionEntry | ||
| import timber.log.Timber | ||
| import java.util.* | ||
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| class AudioEffectFactory { | ||
| var sessionLossListener: ((sid: Int, data: AudioSessionEntry) -> Unit)? = null | ||
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| // TODO allow automatic fallback to other methods on session loss | ||
| fun make(sid: Int, data: AudioSessionEntry): AudioEffect? { | ||
| if(!isDeviceCompatible()) | ||
| return null | ||
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| for ((name, uuid) in supportedTypeUuids) { | ||
| if(!AudioEffectHidden.isEffectTypeAvailable(uuid)) | ||
| continue | ||
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| try { | ||
| return make(name, sid, data) | ||
| } | ||
| catch (ex: Exception) { | ||
| Timber.e("Failed to attach $name effect to session $sid (data: $data; message: ${ex.message})") | ||
| } | ||
| } | ||
| return null | ||
| } | ||
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| fun make(type: MuteEffects, sid: Int, data: AudioSessionEntry): AudioEffect? { | ||
| val name = type.name | ||
| Timber.d("make: Creating $name effect instance") | ||
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| val muteEffect: AudioEffect | ||
| try { | ||
| muteEffect = when (type) { | ||
| MuteEffects.DynamicsProcessing -> { | ||
| with(DynamicsProcessing(Int.MAX_VALUE, sid, null)) { | ||
| setInputGainAllChannelsTo(-200f) | ||
| this | ||
| } | ||
| } | ||
| MuteEffects.Volume -> { | ||
| with(AudioEffectHidden( | ||
| volumeHiddenTypeUuid, | ||
| AudioEffectHidden.EFFECT_TYPE_NULL, | ||
| Int.MAX_VALUE, | ||
| sid) | ||
| ) | ||
| { | ||
| setParameter(VolumeParams.MUTE.ordinal, 1) | ||
| setParameter(VolumeParams.LEVEL.ordinal, -96) | ||
| Refine.unsafeCast(this) | ||
| } | ||
| } | ||
| } | ||
| } | ||
| catch (ex: IllegalArgumentException) { | ||
| Timber.e("make: Effect not supported") | ||
| Timber.i(ex) | ||
| throw ex | ||
| } | ||
| catch (ex: UnsupportedOperationException) { | ||
| Timber.e("make: Effect library not loaded") | ||
| Timber.i(ex) | ||
| throw ex | ||
| } | ||
| catch (ex: RuntimeException) { | ||
| Timber.e("make: Runtime exception") | ||
| Timber.i(ex) | ||
| throw ex | ||
| } | ||
|
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| muteEffect.enabled = true | ||
| muteEffect.setEnableStatusListener { effect, enabled -> | ||
| if (!enabled) { | ||
| try { | ||
| if(effect is DynamicsProcessing) | ||
| effect.setInputGainAllChannelsTo(-200f) | ||
| effect.enabled = true | ||
| Timber.d("$name effect re-enabled (session $sid)") | ||
| } | ||
| catch(ex: Exception) | ||
| { | ||
| /* Triggered if another app takes full control over effect */ | ||
| Timber.w("Failed to re-enable $name effect (session $sid)") | ||
| Timber.w(ex) | ||
| sessionLossListener?.invoke(sid, data) | ||
| } | ||
| } | ||
| } | ||
| muteEffect.setControlStatusListener { effect, controlGranted -> | ||
| if(!controlGranted) | ||
| { | ||
| sessionLossListener?.invoke(sid, data) | ||
| } | ||
| else { | ||
| try { | ||
| if(effect is DynamicsProcessing) | ||
| effect.setInputGainAllChannelsTo(-200f) | ||
| effect.enabled = true | ||
| Timber.d("$name effect regained control (session $sid)") | ||
| } | ||
| catch(ex: Exception) | ||
| { | ||
| Timber.w("Failed to regain control over $name effect (session $sid)") | ||
| Timber.w(ex) | ||
| sessionLossListener?.invoke(sid, data) | ||
| } | ||
| } | ||
| Timber.d( | ||
| "$name effect control %s", | ||
| if (controlGranted) " returned" else "taken (session $sid)" | ||
| ) | ||
| } | ||
|
|
||
| return muteEffect | ||
| } | ||
|
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| companion object { | ||
| enum class MuteEffects { | ||
| DynamicsProcessing, | ||
| Volume | ||
| } | ||
|
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| enum class VolumeParams { | ||
| LEVEL, // type SLmillibel = typedef SLuint16 (set & get) | ||
| MAXLEVEL, // type SLmillibel = typedef SLuint16 (get) | ||
| MUTE, // type SLboolean = typedef SLuint32 (set & get) | ||
| ENABLESTEREOPOSITION, // type SLboolean = typedef SLuint32 (set & get) | ||
| STEREOPOSITION, // type SLpermille = typedef SLuint16 (set & get) | ||
| } | ||
|
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| private val volumeHiddenTypeUuid = UUID.fromString("09e8ede0-ddde-11db-b4f6-0002a5d5c51b") | ||
| private val supportedTypeUuids = mapOf( | ||
| MuteEffects.DynamicsProcessing to AudioEffect.EFFECT_TYPE_DYNAMICS_PROCESSING, | ||
| MuteEffects.Volume to volumeHiddenTypeUuid, | ||
| ) | ||
|
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| fun isDeviceCompatible(): Boolean { | ||
| var isCompatible = false | ||
| supportedTypeUuids.forEach { | ||
| if(AudioEffectHidden.isEffectTypeAvailable(it.value)) { | ||
| isCompatible = true | ||
| Timber.i("isDeviceCompatible: device supports ${it.key}") | ||
| } | ||
| } | ||
| return isCompatible | ||
| } | ||
| } | ||
| } |
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