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audio filters moved to its own files

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minjaesong
2023-11-28 13:56:15 +09:00
parent ce6f5909a8
commit af48a171eb
22 changed files with 542 additions and 459 deletions
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29
src/net/torvald/terrarum/audio/dsp/XYtoMS.kt Normal file
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package net.torvald.terrarum.audio.dsp
import net.torvald.terrarum.audio.TerrarumAudioMixerTrack
object XYtoMS: TerrarumAudioFilter() {
override fun thru(inbuf: List<FloatArray>, outbuf: List<FloatArray>) {
for (i in 0 until TerrarumAudioMixerTrack.BUFFER_SIZE / 4) {
val X = inbuf[0][i]
val Y = inbuf[1][i]
val M = (X + Y) / 2f
val S = (X - Y) / 2f
outbuf[0][i] = M
outbuf[1][i] = S
}
}
}
object MStoXY: TerrarumAudioFilter() {
override fun thru(inbuf: List<FloatArray>, outbuf: List<FloatArray>) {
for (i in 0 until TerrarumAudioMixerTrack.BUFFER_SIZE / 4) {
val M = inbuf[0][i]
val S = inbuf[1][i]
val X = M + S
val Y = M - S
outbuf[0][i] = X
outbuf[1][i] = Y
}
}
}