Fix Memory Leak (pt 2)

Author: FuroYT

src/funkin/vis/dsp/SpectralAnalyzer.hx

@@ -205,31 +205,33 @@ class SpectralAnalyzer
         startFrame -= startFrame % numOctets;
         var segment = audioSource.buffer.data.subarray(startFrame, min(startFrame + wantedLength, audioSource.buffer.data.length));
 
-		var signal = getSignal(segment, audioSource.buffer.bitsPerSample);
+		getSignal(segment, audioSource.buffer.bitsPerSample); // Sets _buffer
 
 		if (audioSource.buffer.channels > 1) {
-			_mixedCache.resize(Std.int(signal.length / audioSource.buffer.channels));
+            var wantedArrayLength = Std.int(_buffer.length / audioSource.buffer.channels);
+            if (_mixedCache.length != wantedArrayLength)
+			    _mixedCache.resize(wantedArrayLength);
+
 			for (i in 0..._mixedCache.length) {
 				_mixedCache[i] = 0.0;
 				for (c in 0...audioSource.buffer.channels) {
-					_mixedCache[i] += 0.7 * signal[i*audioSource.buffer.channels+c];
+					_mixedCache[i] += 0.7 * _buffer[i*audioSource.buffer.channels+c];
 				}
                 _mixedCache[i] *= blackmanWindow[i];
 			}
-			signal = _mixedCache;
+			//_buffer = _mixedCache;
 		}
 
 		var range = 16;
-        var freqs = fft.calcFreq(signal);
+        var freqs = fft.calcFreq(_mixedCache);
 
 		_logGraphCache = vis.makeLogGraph(freqs, barCount + 1, Math.floor(maxDb - minDb), range, _logGraphCache);
 
-        if (_logGraphCache.length - 1 > barHistories.length) {
+        /*if (_logGraphCache.length - 1 > barHistories.length) {
             barHistories.resize(_logGraphCache.length - 1);
-        }
-
+        }*/
+        // levels.resize(_logGraphCache.length-1);
 
-        levels.resize(_logGraphCache.length-1);
         for (i in 0..._logGraphCache.length-1) {
 
             if (barHistories[i] == null) barHistories[i] = new RecentPeakFinder();