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scope view on mixer

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This commit is contained in:
minjaesong
2023-11-20 23:07:14 +09:00
parent 1a49921c77
commit b7f4eca614
3 changed files with 72 additions and 11 deletions
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1
src/net/torvald/terrarum/audio/AudioMixer.kt
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@@ -97,6 +97,7 @@ object AudioMixer: Disposable {
init {
masterTrack.filters[0] = SoftLim
masterTrack.filters[1] = Buffer
masterTrack.filters[2] = Scope
fadeBus.addSidechainInput(musicTrack, 1.0)
fadeBus.addSidechainInput(ambientTrack, 1.0)

35
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 net.torvald.terrarum.audio.TerrarumAudioMixerTrack.Companion.BUFFER_SIZE
import kotlin.math.tanh
abstract class TerrarumAudioFilter {
@@ -37,6 +38,40 @@ object SoftLim : TerrarumAudioFilter() {
}
}
object Scope : TerrarumAudioFilter() {
val backbufL = Array(8) { FloatArray(BUFFER_SIZE / 4) }
val backbufR = Array(8) { FloatArray(BUFFER_SIZE / 4) }
private val sqrt2p = 0.7071067811865476
override fun thru(inbuf0: List<FloatArray>, inbuf1: List<FloatArray>, outbuf0: List<FloatArray>, outbuf1: List<FloatArray>) {
// shift buffer
for (i in backbufL.lastIndex downTo 1) {
backbufL[i] = backbufL[i - 1]
backbufR[i] = backbufR[i - 1]
}
backbufL[0] = FloatArray(BUFFER_SIZE / 4)
backbufR[0] = FloatArray(BUFFER_SIZE / 4)
// plot dots
for (i in 0 until BUFFER_SIZE/4) {
val x0 = inbuf1[0][i] * 0.7
val y0 = inbuf1[1][i] * 0.7
val x = (x0*sqrt2p + y0*sqrt2p) * 1.414
val y = (x0*sqrt2p - y0*sqrt2p) * 1.414
backbufL[0][i] = x.toFloat()
backbufR[0][i] = y.toFloat()
}
// copy samples over
outbuf1.forEachIndexed { index, outTrack ->
System.arraycopy(inbuf1[index], 0, outTrack, 0, outTrack.size)
}
}
}
class Lowpass(cutoff0: Float, val rate: Int): TerrarumAudioFilter() {

47
src/net/torvald/terrarum/ui/BasicDebugInfoWindow.kt
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@@ -374,6 +374,7 @@ class BasicDebugInfoWindow : UICanvas() {
}
private val stripW = 56
private val halfStripW = stripW / 2
private val stripGap = 1
private val stripFilterHeight = 16
private val stripFaderHeight = 200
@@ -391,6 +392,8 @@ class BasicDebugInfoWindow : UICanvas() {
private val COL_METER_TROUGH = Color(0x242527_aa)
private val COL_METER_GRAD = Color(0x1c5075_aa)
private val COL_METER_GRAD2 = Color(0x2ca3f3_aa)
private val COL_SENDS_GRAD = Color(0x50751c_aa)
private val COL_SENDS_GRAD2 = Color(0xa3f32c_aa.toInt())
private val COL_METER_BAR = Color(0x76c9fb_aa)
private val FILTER_NAME_ACTIVE = Color(0xeeeeee_bf.toInt())
@@ -466,9 +469,9 @@ class BasicDebugInfoWindow : UICanvas() {
val mixDb = fullscaleToDecibels(mix)
val perc = ((mixDb + 24.0).coerceAtLeast(0.0) / 24.0).toFloat()
// gauge background
batch.color = COL_METER_GRAD2
batch.color = COL_SENDS_GRAD2
Toolkit.fillArea(batch, x.toFloat(), faderY - (i+1)*16f, stripW * perc, 14f)
batch.color = COL_METER_GRAD
batch.color = COL_SENDS_GRAD
Toolkit.fillArea(batch, x.toFloat(), faderY - (i+1)*16f + 14f, stripW * perc, 2f)
// label
@@ -542,7 +545,20 @@ class BasicDebugInfoWindow : UICanvas() {
private val paramViewHeight = hashMapOf(
"Lowpass" to 16,
"Buffer" to 32,
"Buffer" to 16,
"Scope" to stripW
)
private val scopePlotCol = arrayOf(
Color(0x2ca3f3_aa),
Color(0x2ca3f3_99),
Color(0x2ca3f3_88),
Color(0x2ca3f3_77),
Color(0x2ca3f3_66),
Color(0x2ca3f3_55),
Color(0x2ca3f3_44),
Color(0x2ca3f3_33),
)
private fun drawFilterParam(batch: SpriteBatch, x: Int, y: Int, filter: TerrarumAudioFilter, track: TerrarumAudioMixerTrack) {
@@ -562,15 +578,24 @@ class BasicDebugInfoWindow : UICanvas() {
App.fontSmallNumbers.draw(batch, "F:${filter.cutoff.toInt()}", x+3f, y+1f)
}
is Buffer -> {
val currentQueueSize = track.pcmQueue.size
for (i in 0 until BACK_BUF_COUNT) {
batch.color = if (i < currentQueueSize) ICON_GREEN else ICON_RED
App.fontSmallNumbers.draw(batch, "|", x+3f+26 + 4*i, y+1f)
}
batch.color = FILTER_NAME_ACTIVE
App.fontSmallNumbers.draw(batch, "Buf:", x+3f, y+1f)
App.fontSmallNumbers.draw(batch, "Bs:${BUFFER_SIZE/4}", x+3f, y+17f)
App.fontSmallNumbers.draw(batch, "Bs:${BUFFER_SIZE/4}", x+3f, y+1f)
}
is Scope -> {
val xxs = filter.backbufR
val yys = filter.backbufL
for (t in xxs.lastIndex downTo 0) {
batch.color = scopePlotCol[t]
val xs = xxs[t]
val ys = yys[t]
for (i in xs.indices) {
val px = xs[i] * halfStripW + halfStripW
val py = ys[i] * halfStripW + halfStripW
Toolkit.fillArea(batch, x + px, y + py, 1f, 1f)
}
}
}
}
}