/**
 * Frames. 
 * by Andres Colubri
 * 
 * Moves through the video one frame at the time by using the
 * arrow keys.
 */
 
import codeanticode.gsvideo.*;

GSMovie myMovie;
int newFrame = 0;
PFont font;

void setup() {
  size(320, 240);
  background(0);
  // Load and set the video to play. Setting the video 
  // in play mode is needed so at least one frame is read
  // and we can get duration, size and other information from
  // the video stream. 
//  myMovie = new GSMovie(this, "/Volumes/Reservoir/Assets/Video/abby at computer");
  myMovie = new GSMovie(this, "/Volumes/Reservoir/Assets/Video/reading from script");
  myMovie.play();
  
  font = loadFont("GillSans-24.vlw");
  textFont(font, 24);
}

void movieEvent(GSMovie myMovie) {
  myMovie.read();
}

void draw() {
  if (1 < myMovie.width && 1 < myMovie.height) {
    if (newFrame != myMovie.frame()) {
      // The movie stream must be in play mode in order to jump to another
      // position along the stream. Otherwise it won't work.
      myMovie.play();
      myMovie.jump(newFrame);
      myMovie.pause();
    }
    image(myMovie, 0, 0, width, height);
    fill(240, 20, 30);
    text(myMovie.frame() + " / " + (myMovie.length() - 1), 10, 30);
  }
}

void keyPressed() {
  if (key == CODED) {
    if (keyCode == LEFT) {
      if (0 < newFrame) newFrame--; 
    } else if (keyCode == RIGHT) {
      if (newFrame < myMovie.length() - 1) newFrame++;
    }
  } 
}