audiolines.pde

import ddf.minim.*;

Minim minim;
AudioInput in;
int counter;

void setup()
{
  size(1024, 768, P2D);

  minim = new Minim(this);
  
  // get a line in from Minim, default bit depth is 16
  in = minim.getLineIn(Minim.STEREO, 1024);
  background(0);
  counter = 0;
}

void draw()
{
  stroke(0);
  noFill();
  stroke(255,50);
  
  // draw the waveforms
  beginShape();
  
  for(int i = 0; i < in.bufferSize() - 1; i++)
  {
    curveVertex(i, (counter*2) + in.left.get(i)*100);
  }
  
  endShape();
  
  counter++;
}

void keyPressed() {
  // clear the screen and reset the frame count when the user presses the b key.
  if (key == 'b' || key == 'B') {
    background(0);
    counter = 0; 
  }
}


void stop()
{
  in.close();
  minim.stop();
  
  super.stop();
}