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mixer: room for dynamic sources

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This commit is contained in:
minjaesong
2023-12-02 13:51:48 +09:00
parent 8b95c0aa0e
commit 9a3ab64383
6 changed files with 70 additions and 41 deletions
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37
src/net/torvald/terrarum/audio/AudioMixer.kt
View File

@@ -45,17 +45,19 @@ object AudioMixer: Disposable {
val guiVolume: Double
get() = App.getConfigDouble("guivolume")
val dynamicSourceCount: Int
get() = App.getConfigInt("audio_dynamic_source_max")
val tracks = Array(8) { TerrarumAudioMixerTrack(
if (it == 0) "Music"
else if (it == 1) "Ambient"
else if (it == 2) "Player"
else if (it == 3) "GUI"
else if (it == 2) "GUI"
else if (it == 3) "\u00E4SFX"
else if (it == 4) "\u00F0 \u00E4 \u00F0" // summation
else if (it == 5) "\u00D9Open\u00D9" // convolution1
else if (it == 6) "\u00D9Cave\u00D9" // convolution2
else if (it == 7) "\u00F0 \u00DA \u00F0" // fade
else "Trk${it+1}", isBus = (it >= 4), maxVolumeFun = {
else "Trk${it+1}", trackType = if (it >= 3) TrackType.BUS else TrackType.STATIC_SOURCE, maxVolumeFun = {
when (it) {
0 -> { musicVolume }
1 -> { ambientVolume }
@@ -66,15 +68,20 @@ object AudioMixer: Disposable {
}
) }
val masterTrack = TerrarumAudioMixerTrack("\u00DBMASTER", true) { masterVolume }
val dynamicTracks = Array(dynamicSourceCount) { TerrarumAudioMixerTrack(
"DS${(it + 1).toString().padStart(3, '0')}",
TrackType.DYNAMIC_SOURCE
) }
val masterTrack = TerrarumAudioMixerTrack("\u00DBMASTER", TrackType.MASTER) { masterVolume }
val musicTrack: TerrarumAudioMixerTrack
get() = tracks[0]
val ambientTrack: TerrarumAudioMixerTrack
get() = tracks[1]
val sfxMixTrack: TerrarumAudioMixerTrack
get() = tracks[2]
val guiTrack: TerrarumAudioMixerTrack
get() = tracks[2]
val sfxSumTrack: TerrarumAudioMixerTrack
get() = tracks[3]
val sumBus: TerrarumAudioMixerTrack
@@ -145,10 +152,7 @@ object AudioMixer: Disposable {
init {
// initialise audio paths //
// musicTrack.filters[1] = BinoPan(0f)
// musicTrack.filters[2] = Reverb(36f, 0.92f, 1200f)
listOf(musicTrack, ambientTrack, sfxMixTrack, guiTrack).forEach {
listOf(musicTrack, ambientTrack, sfxSumTrack, guiTrack).forEach {
it.filters[0] = Gain(1f)
}
@@ -159,7 +163,7 @@ object AudioMixer: Disposable {
listOf(sumBus, convolveBusOpen, convolveBusCave).forEach {
it.addSidechainInput(musicTrack, 1.0)
it.addSidechainInput(ambientTrack, 1.0)
it.addSidechainInput(sfxMixTrack, 1.0)
it.addSidechainInput(sfxSumTrack, 1.0)
}
convolveBusOpen.filters[1] = Convolv(ModMgr.getFile("basegame", "audio/convolution/EchoThief - PurgatoryChasm.bin"))
@@ -178,9 +182,14 @@ object AudioMixer: Disposable {
masterTrack.addSidechainInput(fadeBus, 1.0)
masterTrack.addSidechainInput(guiTrack, 1.0)
dynamicTracks.forEach {
it.filters[0] = BinoPan(0f)
sfxSumTrack.addSidechainInput(it, 1.0)
}
parallelProcessingSchedule = arrayOf(
arrayOf(musicTrack, ambientTrack, sfxMixTrack, guiTrack),
arrayOf(musicTrack, ambientTrack, guiTrack),
dynamicTracks,
arrayOf(sumBus, convolveBusOpen, convolveBusCave),
arrayOf(fadeBus),
arrayOf(masterTrack)
@@ -204,7 +213,7 @@ object AudioMixer: Disposable {
)
private val fadeReqs = HashMap<TerrarumAudioMixerTrack, FadeRequest>().also { map ->
listOf(musicTrack, ambientTrack, sfxMixTrack, guiTrack, fadeBus).forEach {
listOf(musicTrack, ambientTrack, guiTrack, fadeBus).forEach {
map[it] = FadeRequest()
}
}
@@ -264,7 +273,7 @@ object AudioMixer: Disposable {
masterTrack.volume = masterVolume
musicTrack.getFilter<Gain>().gain = musicVolume.toFloat()
ambientTrack.getFilter<Gain>().gain = ambientVolume.toFloat()
sfxMixTrack.getFilter<Gain>().gain = sfxVolume.toFloat()
sfxSumTrack.getFilter<Gain>().gain = sfxVolume.toFloat()
guiTrack.getFilter<Gain>().gain = guiVolume.toFloat()

8
src/net/torvald/terrarum/audio/MixerTrackProcessor.kt
View File

@@ -68,7 +68,7 @@ class MixerTrackProcessor(val bufferSize: Int, val rate: Int, val track: Terraru
// Your code here
// fetch deviceBufferSize amount of sample from the disk
if (!track.isMaster && !track.isBus && track.streamPlaying) {
if (track.trackType != TrackType.MASTER && track.trackType != TrackType.BUS && track.streamPlaying) {
streamBuf.fetchBytes {
val bytesRead = track.currentTrack?.gdxMusic?.forceInvoke<Int>("read", arrayOf(it))
if (bytesRead == null || bytesRead <= 0) { // some class (namely Mp3) may return 0 instead of negative value
@@ -87,7 +87,7 @@ class MixerTrackProcessor(val bufferSize: Int, val rate: Int, val track: Terraru
var bufEmpty = false
// get samples and apply the fader
if (track.isMaster || track.isBus) {
if (track.trackType == TrackType.MASTER || track.trackType == TrackType.BUS) {
// combine all the inputs
samplesL1 = FloatArray(bufferSize / 4)
samplesR1 = FloatArray(bufferSize / 4)
@@ -164,7 +164,7 @@ class MixerTrackProcessor(val bufferSize: Int, val rate: Int, val track: Terraru
// by this time, the output buffer is filled with processed results, pause the execution
if (!track.isMaster) {
if (track.trackType != TrackType.MASTER) {
this.pause()
}
else {
@@ -246,7 +246,7 @@ private fun <T> Queue<T>.removeFirstOrElse(function: () -> T): T {
class FeedSamplesToAdev(val bufferSize: Int, val rate: Int, val track: TerrarumAudioMixerTrack) : Runnable {
init {
if (!track.isMaster) throw IllegalArgumentException("Track is not master")
if (track.trackType != TrackType.MASTER) throw IllegalArgumentException("Track is not master")
}
val sleepTime = (1000000000.0 * ((bufferSize / 4.0) / TerrarumAudioMixerTrack.SAMPLING_RATED)).toLong()

23
src/net/torvald/terrarum/audio/TerrarumAudioMixerTrack.kt
View File

@@ -15,13 +15,17 @@ import kotlin.math.pow
typealias TrackVolume = Double
class TerrarumAudioMixerTrack(val name: String, val isMaster: Boolean = false, val isBus: Boolean = false, private val maxVolumeFun: () -> Double): Disposable {
enum class TrackType {
STATIC_SOURCE, DYNAMIC_SOURCE, BUS, MASTER
}
class TerrarumAudioMixerTrack(val name: String, val trackType: TrackType, private val maxVolumeFun: () -> Double = {1.0}): Disposable {
companion object {
const val SAMPLING_RATE = 48000
const val SAMPLING_RATEF = 48000f
const val SAMPLING_RATED = 48000.0
val BUFFER_SIZE = 4 * App.getConfigInt("audiobuffersize") // n ms -> 384 * n
val BUFFER_SIZE = 4 * App.getConfigInt("audio_buffer_size") // n ms -> 384 * n
}
val hash = getHashStr()
@@ -52,10 +56,10 @@ class TerrarumAudioMixerTrack(val name: String, val isMaster: Boolean = false, v
inline fun <reified T> getFilter() = filters.filterIsInstance<T>().first()!!
internal val sidechainInputs = Array<Pair<TerrarumAudioMixerTrack, TrackVolume>?>(16) { null }
internal val sidechainInputs = ArrayList<Pair<TerrarumAudioMixerTrack, TrackVolume>?>()
internal fun getSidechains(): List<TerrarumAudioMixerTrack?> = sidechainInputs.map { it?.first }
fun addSidechainInput(input: TerrarumAudioMixerTrack, inputVolume: TrackVolume) {
if (input.isMaster)
if (input.trackType == TrackType.MASTER)
throw IllegalArgumentException("Cannot add master track as a sidechain")
if (sidechainInputs.map { it?.first }.any { it?.hash == input.hash })
@@ -67,13 +71,8 @@ class TerrarumAudioMixerTrack(val name: String, val isMaster: Boolean = false, v
})
throw IllegalArgumentException("The track '${input.hash}' contains current track (${this.hash}) as its sidechain")
val emptySpot = sidechainInputs.indexOf(null)
if (emptySpot != -1) {
sidechainInputs[emptySpot] = (input to inputVolume)
}
else {
throw IllegalStateException("Sidechain is full (${sidechainInputs.size})!")
}
sidechainInputs.add(input to inputVolume)
}
@@ -87,7 +86,7 @@ class TerrarumAudioMixerTrack(val name: String, val isMaster: Boolean = false, v
it.get(Gdx.audio) as Int
}
internal val adev: OpenALBufferedAudioDevice? =
if (isMaster) {
if (trackType == TrackType.MASTER) {
OpenALBufferedAudioDevice(
Gdx.audio as OpenALLwjgl3Audio,
SAMPLING_RATE,