processing/java/libraries/sound/src/processing/sound/FFT.java at master · h2oop/processing · GitHub

Repository navigation

package processing.sound;

import processing.core.*;

public class FFT {

PApplet parent;

private Engine m_engine;

private long ptr;

public FFT(PApplet theParent) {

this.parent = theParent;

parent.registerMethod("dispose", this);

m_engine.setPreferences(theParent, 512, 44100);

m_engine.start();

}

public void input(SoundObject input, int fftSize){

ptr = m_engine.fft(input.returnId(), fftSize);

}

public void analyze(float[] value){

float[] m_value = m_engine.poll_fft(ptr);

int num_samples = Math.min(value.length, m_value.length);

for(int i=0; i<num_samples; i++){

value[i] = m_value[i];

}

public void stop(){

m_engine.synthStop(m_nodeId);

}

public int returnId(){

return m_nodeId;

}

public void dispose() {

m_engine.destroy_fft(ptr);

//m_engine.synthStop(m_nodeId);

}