added stuff idk

src/signal_path.cpp

@@ -0,0 +1,20 @@
+#include <signal_path.h>
+
+SignalPath::SignalPath(cdsp::stream<cdsp::complex_t>* source, float sampleRate, float fftRate, int fftSize, cdsp::complex_t* fftBuffer, void fftHandler(cdsp::complex_t*)) : 
+    dcBiasRemover(source, 64000), 
+    fftBlockDec(&dcBiasRemover.output, (sampleRate / fftRate) - fftSize, fftSize),
+    fftSineSource(sampleRate / 2.0f, sampleRate, fftSize),
+    fftMul(&fftBlockDec.output, &fftSineSource.output, fftSize),
+    fftHandler(&fftMul.output, fftBuffer, fftSize, fftHandler) {
+    this->sampleRate = sampleRate;
+    this->fftRate = fftRate;
+    this->fftSize = fftSize;
+}
+
+void SignalPath::start() {
+    dcBiasRemover.start();
+    fftBlockDec.start();
+    fftSineSource.start();
+    fftMul.start();
+    fftHandler.start();
+}