import processing.opengl.*;

import com.xuggle.xuggler.*;
import com.xuggle.mediatool.*;

import java.awt.image.BufferedImage;
import java.awt.image.ImageObserver;
import java.util.concurrent.TimeUnit;

IMediaWriter imw;
IStreamCoder isc;
BufferedImage bgr;
int vidRate;
long sTime;
long fTime;

void setup() {
  size(1024,768);
  vidRate = 30;
  
  ellipseMode(CENTER);
  
  imw = ToolFactory.makeWriter(sketchPath("output.mp4"));
  imw.addVideoStream(0,0, ICodec.ID.CODEC_ID_MPEG4,
    IRational.make((double)vidRate), width, height);
  isc = imw.getContainer().getStream(0).getStreamCoder();
  
  bgr = new BufferedImage(width, height, 
    BufferedImage.TYPE_3BYTE_BGR);
  sTime = fTime = System.nanoTime();
}

void draw() {
  background(sin(frameCount/25f)*255);
  ellipse(mouseX,mouseY, 100,100);
  loadPixels();
  
  long cTime = System.nanoTime()-fTime;
  if(cTime >= (double)1000/vidRate) {
//    bgr.setRGB(0, 0, width, height, pixels, 0, width);
    bgr.getGraphics().drawImage(g.getImage(), 0, 0, 
      new ImageObserver() { 
        public boolean imageUpdate(Image i, int a, int b, int c, int d, int e){return true;} });
    imw.encodeVideo(0, bgr, System.nanoTime()-sTime, 
      TimeUnit.NANOSECONDS);
    fTime = System.nanoTime();
  }
}

void mouseClicked() {
  imw.close();
  exit();
}