Updates for video capture examples, new keywords.txt

java/libraries/video/examples/Capture/TimeDisplacement/TimeDisplacement.pde

@@ -16,42 +16,47 @@ ArrayList frames = new ArrayList();
 
 void setup() {
   size(640, 480);
-  video = new Capture(this, width, height, 30);
-  video.start();
+  
+  // This the default video input, see the GettingStartedCapture 
+  // example if it creates an error
+  video = new Capture(this, width, height);
+  
+  // Start capturing the images from the camera
+  video.start();  
 }
 
 void captureEvent(Capture camera) {
   camera.read();
   
-  //copy the current video frame into an image, so it can be stored in the buffer
+  // Copy the current video frame into an image, so it can be stored in the buffer
   PImage img = createImage(width, height, RGB);
   video.loadPixels();
   arrayCopy(video.pixels, img.pixels);
   
   frames.add(img);
   
-  //once there are enough frames, remove the oldest one when adding a new one
+  // Once there are enough frames, remove the oldest one when adding a new one
   if (frames.size() > height/4) {
     frames.remove(0);
   }
 }
 
 void draw() {
- //set the image counter to 0
+ // Set the image counter to 0
  int currentImage = 0;
  
  loadPixels();
   
-  //begin a loop for displaying pixel rows of 4 pixels height
+  // Begin a loop for displaying pixel rows of 4 pixels height
   for (int y = 0; y < video.height; y+=4) {
-    //go through the frame buffer and pick an image, starting with the oldest one
+    // Go through the frame buffer and pick an image, starting with the oldest one
     if (currentImage < frames.size()) {
       PImage img = (PImage)frames.get(currentImage);
       
       if (img != null) {
         img.loadPixels();
         
-        //put 4 rows of pixels on the screen
+        // Put 4 rows of pixels on the screen
         for (int x = 0; x < video.width; x++) {
           pixels[x + y * width] = img.pixels[x + y * video.width];
           pixels[x + (y + 1) * width] = img.pixels[x + (y + 1) * video.width];
@@ -60,7 +65,7 @@ void draw() {
         }  
       }
       
-      //increase the image counter
+      // Increase the image counter
       currentImage++;
        
     } else {
@@ -70,7 +75,7 @@ void draw() {
   
   updatePixels();
   
-  //for recording an image sequence
+  // For recording an image sequence
   //saveFrame("frame-####.jpg"); 
 }