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Code Issues Packages Projects Releases Wiki Activity

softlimiter filter for master

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This commit is contained in:
minjaesong
2023-11-20 22:02:57 +09:00
parent 6fabe555df
commit 1a49921c77
6 changed files with 53 additions and 40 deletions
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37
src/net/torvald/terrarum/audio/AudioMixer.kt
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@@ -5,13 +5,8 @@ import com.badlogic.gdx.backends.lwjgl3.audio.Lwjgl3Audio
import com.badlogic.gdx.utils.Disposable
import com.jme3.math.FastMath
import net.torvald.terrarum.App
import net.torvald.terrarum.audio.MixerTrackProcessor.Companion.BACK_BUF_COUNT
import net.torvald.terrarum.audio.TerrarumAudioMixerTrack.Companion.BUFFER_SIZE
import net.torvald.terrarum.audio.TerrarumAudioMixerTrack.Companion.INDEX_AMB
import net.torvald.terrarum.audio.TerrarumAudioMixerTrack.Companion.INDEX_BGM
import net.torvald.terrarum.audio.TerrarumAudioMixerTrack.Companion.SAMPLING_RATE
import net.torvald.terrarum.audio.TerrarumAudioMixerTrack.Companion.SAMPLING_RATED
import net.torvald.terrarum.audio.TerrarumAudioMixerTrack.Companion.SAMPLING_RATEF
import net.torvald.terrarum.modulebasegame.MusicContainer
import net.torvald.terrarum.tryDispose
import java.lang.Thread.MAX_PRIORITY
@@ -100,7 +95,8 @@ object AudioMixer: Disposable {
init {
masterTrack.filters[0] = Buffer
masterTrack.filters[0] = SoftLim
masterTrack.filters[1] = Buffer
fadeBus.addSidechainInput(musicTrack, 1.0)
fadeBus.addSidechainInput(ambientTrack, 1.0)
@@ -165,10 +161,13 @@ object AudioMixer: Disposable {
if (req.fadeAkku >= req.fadeLength) {
req.fadeoutFired = false
track.volume = req.fadeTarget
track.volume = req.fadeTarget
if (req.fadeTarget == 0.0) {
track.currentTrack = null
// stop streaming if fadeBus is muted
if (req.fadeTarget == 0.0 && track == fadeBus) {
musicTrack.currentTrack = null
musicTrack.streamPlaying = false
ambientTrack.currentTrack = null
ambientTrack.streamPlaying = false
}
}
}
@@ -216,12 +215,17 @@ object AudioMixer: Disposable {
}
if (musicTrack.isPlaying != true && musicTrack.nextTrack != null) {
// printdbg(this, "Playing next music: ${nextMusic!!.name}")
if (!musicTrack.isPlaying && musicTrack.nextTrack != null) {
musicTrack.queueNext(null)
fadeBus.volume = 1.0
musicTrack.play()
}
if (!ambientTrack.isPlaying && ambientTrack.nextTrack != null) {
ambientTrack.queueNext(null)
requestFadeIn(ambientTrack, DEFAULT_FADEOUT_LEN * 4, 1.0, 0.00001)
ambientTrack.play()
}
}
fun startMusic(song: MusicContainer) {
@@ -240,31 +244,32 @@ object AudioMixer: Disposable {
requestFadeOut(musicTrack, DEFAULT_FADEOUT_LEN)
}
ambientTrack.nextTrack = song
// fade will be processed by the update()
}
fun stopAmb() {
requestFadeOut(musicTrack, DEFAULT_FADEOUT_LEN)
requestFadeOut(ambientTrack, DEFAULT_FADEOUT_LEN * 4)
}
fun requestFadeOut(track: TerrarumAudioMixerTrack, length: Double, target: Double = 0.0) {
fun requestFadeOut(track: TerrarumAudioMixerTrack, length: Double, target: Double = 0.0, source: Double? = null) {
val req = fadeReqs[track]!!
if (!req.fadeoutFired) {
req.fadeLength = length.coerceAtLeast(1.0/1024.0)
req.fadeAkku = 0.0
req.fadeoutFired = true
req.fadeTarget = target * track.maxVolume
req.fadeStart = fadeBus.volume
req.fadeStart = source ?: fadeBus.volume
}
}
fun requestFadeIn(track: TerrarumAudioMixerTrack, length: Double, target: Double = 1.0) {
fun requestFadeIn(track: TerrarumAudioMixerTrack, length: Double, target: Double = 1.0, source: Double? = null) {
val req = fadeReqs[track]!!
if (!req.fadeinFired) {
req.fadeLength = length.coerceAtLeast(1.0/1024.0)
req.fadeAkku = 0.0
req.fadeinFired = true
req.fadeTarget = target * track.maxVolume
req.fadeStart = fadeBus.volume
req.fadeStart = source ?: fadeBus.volume
}
}

15
src/net/torvald/terrarum/audio/MixerTrackProcessor.kt
View File

@@ -2,7 +2,6 @@ package net.torvald.terrarum.audio
import com.badlogic.gdx.utils.Queue
import net.torvald.reflection.forceInvoke
import org.apache.commons.math3.special.Erf.erf
import kotlin.math.absoluteValue
import kotlin.math.tanh
@@ -105,20 +104,6 @@ class MixerTrackProcessor(val bufferSize: Int, val rate: Int, val track: Terraru
samplesR1!![i] += side.processor.fout1[1][i] * (mix * track.volume).toFloat()
}
}
// de-clip using sigmoid function
for (i in samplesL0.indices) {
samplesL0[i] = erf(samplesL0[i].toDouble()).toFloat()
samplesR0[i] = erf(samplesR0[i].toDouble()).toFloat()
samplesL1[i] = erf(samplesL1[i].toDouble()).toFloat()
samplesR1[i] = erf(samplesR1[i].toDouble()).toFloat()
}
/*track.sidechainInputs[TerrarumAudioMixerTrack.INDEX_BGM]?.let { (side, mix) ->
samplesL0 = side.processor.fout0[0].applyVolume((mix * track.volume).toFloat()) // must not applyVolumeInline
samplesR0 = side.processor.fout0[1].applyVolume((mix * track.volume).toFloat())
samplesL1 = side.processor.fout1[0].applyVolume((mix * track.volume).toFloat())
samplesR1 = side.processor.fout1[1].applyVolume((mix * track.volume).toFloat())
}*/
}
// source channel: skip processing if there's no active input
// else if (track.getSidechains().any { it != null && !it.isBus && !it.isMaster && !it.streamPlaying } && !track.streamPlaying) {

14
src/net/torvald/terrarum/audio/TerrarumAudioFilter.kt
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@@ -1,6 +1,7 @@
package net.torvald.terrarum.audio
import com.jme3.math.FastMath
import kotlin.math.tanh
abstract class TerrarumAudioFilter {
var bypass = false
@@ -23,6 +24,19 @@ object NullFilter : TerrarumAudioFilter() {
}
}
object SoftLim : TerrarumAudioFilter() {
override fun thru(inbuf0: List<FloatArray>, inbuf1: List<FloatArray>, outbuf0: List<FloatArray>, outbuf1: List<FloatArray>) {
for (ch in inbuf1.indices) {
val inn = inbuf1[ch]
val out = outbuf1[ch]
for (i in inn.indices) {
out[i] = tanh(inn[i])
}
}
}
}
class Lowpass(cutoff0: Float, val rate: Int): TerrarumAudioFilter() {

4
src/net/torvald/terrarum/audio/TerrarumAudioMixerTrack.kt
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@@ -115,8 +115,8 @@ class TerrarumAudioMixerTrack(val name: String, val isMaster: Boolean = false, v
// currentTrack?.gdxMusic?.play()
}
val isPlaying: Boolean?
get() = currentTrack?.gdxMusic?.isPlaying
val isPlaying: Boolean
get() = streamPlaying//currentTrack?.gdxMusic?.isPlaying
override fun dispose() {
/*if (isMaster) { // uncomment to multithread