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working track volume

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This commit is contained in:
minjaesong
2023-11-17 20:22:07 +09:00
parent eb5483ae37
commit 452e20488c
4 changed files with 30 additions and 19 deletions
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8
src/net/torvald/terrarum/audio/AudioProcessBuf.kt
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@@ -34,9 +34,9 @@ class AudioProcessBuf(val size: Int) {
updateFloats()
}
fun getL0() = FloatArray(size / 4) { fbuf0[2*it] }
fun getR0() = FloatArray(size / 4) { fbuf0[2*it+1] }
fun getL1() = FloatArray(size / 4) { fbuf1[2*it] }
fun getR1() = FloatArray(size / 4) { fbuf1[2*it+1] }
fun getL0(volume: Double) = FloatArray(size / 4) { (volume * fbuf0[2*it]).toFloat() }
fun getR0(volume: Double) = FloatArray(size / 4) { (volume * fbuf0[2*it+1]).toFloat() }
fun getL1(volume: Double) = FloatArray(size / 4) { (volume * fbuf1[2*it]).toFloat() }
fun getR1(volume: Double) = FloatArray(size / 4) { (volume * fbuf1[2*it+1]).toFloat() }
}

22
src/net/torvald/terrarum/audio/MixerTrackProcessor.kt
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@@ -82,27 +82,29 @@ class MixerTrackProcessor(val bufferSize: Int, val track: TerrarumAudioMixerTrac
var samplesR1: FloatArray
if (track.isMaster) {
val streamBuf = track.sidechainInputs[0]!!.first.processor.streamBuf
samplesL0 = streamBuf.getL0()
samplesR0 = streamBuf.getR0()
samplesL1 = streamBuf.getL1()
samplesR1 = streamBuf.getR1()
// TEST CODE must combine all the inputs
samplesL0 = track.sidechainInputs[0]!!.first.processor.fout0[0]
samplesR0 = track.sidechainInputs[0]!!.first.processor.fout0[1]
samplesL1 = track.sidechainInputs[0]!!.first.processor.fout1[0]
samplesR1 = track.sidechainInputs[0]!!.first.processor.fout1[1]
}
else {
samplesL0 = streamBuf.getL0()
samplesR0 = streamBuf.getR0()
samplesL1 = streamBuf.getL1()
samplesR1 = streamBuf.getR1()
samplesL0 = streamBuf.getL0(track.volume)
samplesR0 = streamBuf.getR0(track.volume)
samplesL1 = streamBuf.getL1(track.volume)
samplesR1 = streamBuf.getR1(track.volume)
}
// run the input through the stack of filters
val filterStack = track.filters.filter { !it.bypass }
val fin0 = listOf(samplesL0, samplesR0)
val fin1 = listOf(samplesL1, samplesR1)
fout0 = fout1
fout1 = listOf(FloatArray(bufferSize / 4), FloatArray(bufferSize / 4))
val filter = if (track.isMaster) testFilter else NullFilter
filter.thru(fin0, fin1, fout0, fout1)
filter(fin0, fin1, fout0, fout1)
// final writeout

17
src/net/torvald/terrarum/audio/TerrarumAudioFilter.kt
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@@ -2,11 +2,20 @@ package net.torvald.terrarum.audio
import com.jme3.math.FastMath
interface TerrarumAudioFilter {
fun thru(inbuf0: List<FloatArray>, inbuf1: List<FloatArray>, outbuf0: List<FloatArray>, outbuf1: List<FloatArray>)
abstract class TerrarumAudioFilter {
var bypass = false
protected abstract fun thru(inbuf0: List<FloatArray>, inbuf1: List<FloatArray>, outbuf0: List<FloatArray>, outbuf1: List<FloatArray>)
operator fun invoke(inbuf0: List<FloatArray>, inbuf1: List<FloatArray>, outbuf0: List<FloatArray>, outbuf1: List<FloatArray>) {
if (bypass) {
outbuf1.forEachIndexed { index, outTrack ->
System.arraycopy(inbuf1[index], 0, outTrack, 0, outTrack.size)
}
}
else thru(inbuf0, inbuf1, outbuf0, outbuf1)
}
}
object NullFilter: TerrarumAudioFilter {
object NullFilter: TerrarumAudioFilter() {
override fun thru(inbuf0: List<FloatArray>, inbuf1: List<FloatArray>, outbuf0: List<FloatArray>, outbuf1: List<FloatArray>) {
outbuf1.forEachIndexed { index, outTrack ->
System.arraycopy(inbuf1[index], 0, outTrack, 0, outTrack.size)
@@ -15,7 +24,7 @@ object NullFilter: TerrarumAudioFilter {
}
class Lowpass(cutoff: Int, rate: Int): TerrarumAudioFilter {
class Lowpass(cutoff: Int, rate: Int): TerrarumAudioFilter() {
val alpha: Float
init {

2
src/net/torvald/terrarum/audio/TerrarumAudioMixerTrack.kt
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@@ -114,7 +114,7 @@ class TerrarumAudioMixerTrack(val name: String, val isMaster: Boolean = false):
// 1st ring of the hell: the THREADING HELL //
internal var processor = MixerTrackProcessor(32768, this)
internal var processor = MixerTrackProcessor(4096, this)
private val processorThread = Thread(processor).also {
it.start()
}