diff --git a/src/audioDecoder.cc b/src/audioDecoder.cc
index ce547c7..2b84f59 100644
--- a/src/audioDecoder.cc
+++ b/src/audioDecoder.cc
@@ -1,10 +1,12 @@
 #include "audioDecoder.h"
 
+#include <iostream>
 #include <SDL2/SDL_audio.h>
 #include <SDL2/SDL_stdinc.h>
 
 extern "C" {
 #include "libswresample/swresample.h"
+#include "fftw3.h"
 }
 
 int RequestAudioFrame(AudioParam& param, uint8_t* audioBuffer, int bufSize)
@@ -37,6 +39,25 @@ int RequestAudioFrame(AudioParam& param, uint8_t* audioBuffer, int bufSize)
 	if (frame->ch_layout.nb_channels > 0) {
 		av_channel_layout_default(&frame->ch_layout, frame->ch_layout.nb_channels);
 	}
+	int nbSamples = frame->nb_samples;
+	uint8_t* audioData = frame->data[0];
+	fftw_complex* fftwInput = static_cast<fftw_complex*>(fftw_malloc(sizeof(fftw_complex) * frame->nb_samples));
+	fftw_complex* fftwOutput = static_cast<fftw_complex*>(fftw_malloc(sizeof(fftw_complex) * frame->nb_samples));
+
+	for (int i = 0; i < nbSamples; i++)
+	{
+		fftwInput[i][0] = audioData[i];
+		fftwInput[i][1] = .0f;
+	}
+	fftw_plan fftwPlan = fftw_plan_dft_1d(nbSamples, fftwInput, fftwOutput, FFTW_FORWARD, FFTW_ESTIMATE);
+	fftw_execute(fftwPlan);
+
+	for (int i = 0; i < nbSamples; i++)
+	{
+		double magnitude = sqrt(fftwOutput[i][0] * fftwOutput[i][0] + fftwOutput[i][1] * fftwOutput[i][1]);
+		double phase = atan2(fftwOutput[i][1], fftwOutput[i][0]);
+		std::cout << "mag: " << magnitude << "\n phase: " << phase << "\n";
+	}
 
 	constexpr AVSampleFormat dstFormat = AV_SAMPLE_FMT_S16;
 	swr_alloc_set_opts2(&swrCtx, &frame->ch_layout, dstFormat, frame->sample_rate, &frame->ch_layout, static_cast<AVSampleFormat>(frame->format), frame->sample_rate, 0, nullptr);