Calibrate works?

lib/video/examples/Movie/Frames/Frames.pde

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+/**
+ * Frames 
+ * by Andres Colubri. 
+ * 
+ * Moves through the video one frame at the time by using the
+ * arrow keys. It estimates the frame counts using the framerate
+ * of the movie file, so it might not be exact in some cases.
+ */
+ 
+import processing.video.*;
+
+Movie mov;
+int newFrame = 0;
+
+void setup() {
+  size(640, 360);
+  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. 
+  mov = new Movie(this, "transit.mov");  
+  
+  // Pausing the video at the first frame. 
+  mov.play();
+  mov.jump(0);
+  mov.pause();
+}
+
+void movieEvent(Movie m) {
+  m.read();
+}
+
+void draw() {
+  background(0);
+  image(mov, 0, 0, width, height);
+  fill(255);
+  text(getFrame() + " / " + (getLength() - 1), 10, 30);
+}
+
+void keyPressed() {
+  if (key == CODED) {
+    if (keyCode == LEFT) {
+      if (0 < newFrame) newFrame--; 
+    } else if (keyCode == RIGHT) {
+      if (newFrame < getLength() - 1) newFrame++;
+    }
+  } 
+  setFrame(newFrame);  
+}
+  
+int getFrame() {    
+  return ceil(mov.time() * 30) - 1;
+}
+
+void setFrame(int n) {
+  mov.play();
+    
+  // The duration of a single frame:
+  float frameDuration = 1.0 / mov.frameRate;
+    
+  // We move to the middle of the frame by adding 0.5:
+  float where = (n + 0.5) * frameDuration; 
+    
+  // Taking into account border effects:
+  float diff = mov.duration() - where;
+  if (diff < 0) {
+    where += diff - 0.25 * frameDuration;
+  }
+    
+  mov.jump(where);
+  mov.pause();  
+}  
+
+int getLength() {
+  return int(mov.duration() * mov.frameRate);
+}