From 26e6146c3a3f4f3dc266322f14016bf4b14c369b Mon Sep 17 00:00:00 2001
From: tristanbay <85427980+tristanbay@users.noreply.github.com>
Date: Wed, 19 Jun 2024 16:16:01 -0700
Subject: [PATCH] Correct reference to wrong input array length

Leads to an assertion error when the input audio length is not also a power of 2
---
 src/processing/sound/FFT.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/processing/sound/FFT.java b/src/processing/sound/FFT.java
index beca8ff..0536f3e 100644
--- a/src/processing/sound/FFT.java
+++ b/src/processing/sound/FFT.java
@@ -136,7 +136,7 @@ public static float[] analyzeSample(float[] sample, int numBands) {
 	// the meat of the matter
 	protected static void calculateMagnitudesFromSample(float[] sample, float[] imaginary, float[] target) {
 		if (FFT.checkNumBands(target.length)) {
-			FourierMath.transform(1, sample.length, sample, imaginary);
+			FourierMath.transform(1, target.length, sample, imaginary);
 			FourierMath.calculateMagnitudes(sample, imaginary, target);
 			// there is an argument for multiplying the normalized spectrum amplitude 
 			// values by two, see e.g.: