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mixer: clipping detector

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minjaesong
2023-11-19 21:43:29 +09:00
parent 7b7f19e218
commit 6c8c036919
2 changed files with 36 additions and 1 deletions
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14
src/net/torvald/terrarum/audio/MixerTrackProcessor.kt
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@@ -31,6 +31,7 @@ class MixerTrackProcessor(val bufferSize: Int, val rate: Int, val track: Terraru
private var fout1 = listOf(emptyBuf, emptyBuf)
var maxSigLevel = arrayOf(0.0, 0.0); private set
var hasClipping = arrayOf(false, false); private set
private var breakBomb = false
@@ -163,9 +164,22 @@ class MixerTrackProcessor(val bufferSize: Int, val rate: Int, val track: Terraru
fout1.map { it.maxOf { it.absoluteValue } }.forEachIndexed { index, fl ->
maxSigLevel[index] = fl.toDouble()
}
hasClipping.fill(false)
fout1.forEachIndexed { index, floats ->
var lastSample = floats[0]
for (i in 1 until floats.size) {
val currentSample = floats[i]
if (lastSample * currentSample > 0.0 && lastSample.absoluteValue >= 1.0 && currentSample.absoluteValue >= 1.0) {
hasClipping[index] = true
break
}
lastSample = currentSample
}
}
}
else {
maxSigLevel.fill(0.0)
hasClipping.fill(false)
}