import pitaru.sonia_v2_9.*;

PImage img;

Sample output;

float[] data;


void setup() 
{
  size(200,200);
  frameRate(30);
  
  Sonia.start(this);
  
  img = loadImage("02.jpg");
  
  img.loadPixels();
  int numPixels = (img.width*img.height);
  
  data = new float[numPixels]; //creates a new array the length of the sample
  
  for (int i=0; i < numPixels; i++) 
  {     
    float samp = 0;
    color argb = img.pixels[i];
    int a = (argb >> 24) & 0xFF;
    int r = (argb >> 16) & 0xFF;  // Faster way of getting red(argb)
    int g = (argb >> 8) & 0xFF;   // Faster way of getting green(argb)
    int b = argb & 0xFF;          // Faster way of getting blue(argb)
    samp = r+g+b;
    samp /= 3;
    samp /= 255;
    samp *= 2;
    samp -= 1;
    data[i] = samp;
  } 
  
   output = new Sample(numPixels);
   output.write(data); // write the data from the 'data' array into the sample
   output.setRate(44200);
   output.play();
   //output.saveFile("_01");
}

void draw()
{
}