import processing.video.*;

Movie mov;
void setup()
{
  size(640, 360);
  noStroke();
  mov = new Movie(this, "sample.mp4");
  mov.loop();
  mov.play();
}
void draw()
{

  noFill();
  if ( mov.available() == true ) {
    background(0);  
    mov.read();
    mov.loadPixels();
    for ( int i = 0; i < mov.height; i=i+5 ) {
      beginShape();
      for ( int j = 0; j < mov.width; j++ ) {
        color c1 = mov.get(j, i);
        stroke(255);
        strokeWeight(1);
        vertex(j, i-(red(c1)+green(c1)+blue(c1))/9);
      }
      endShape();
    }
  }
}