src/kaka/cakelight/VideoMode.java

   1 package kaka.cakelight;
   2
   3 import java.io.IOException;
   4 import java.util.Optional;
   5 import java.util.function.Consumer;
   6
   7 import static kaka.cakelight.Main.log;
   8 import static kaka.cakelight.Main.timeIt;
   9
  10 public class VideoMode implements Mode {
  11     private Configuration config;
  12     private Thread thread;
  13     private Consumer<Frame> frameConsumer;
  14
  15     @Override
  16     public void enter(Configuration config) {
  17         this.config = config;
  18         startGrabberThread();
  19     }
  20
  21     @Override
  22     public void exit() {
  23         thread.interrupt();
  24     }
  25
  26     private void startGrabberThread() {
  27         assert frameConsumer != null;
  28         thread = new Thread() {
  29             public void run() {
  30                 try (FrameGrabber grabber = FrameGrabber.from(config)) {
  31                     while (!isInterrupted()) {
  32 //                        Optional<Frame> frame = grabber.grabFrame();
  33                         grabber.grabFrame().ifPresent(frameConsumer);
  34 //                        timeIt("frame", grabber::grabFrame);
  35                         // TODO: process frame
  36                         // TODO: save where the LedController can access it
  37                     }
  38                 } catch (IOException e) {
  39                     e.printStackTrace();
  40                 }
  41             }
  42         };
  43         thread.start();
  44     }
  45
  46     public void onFrame(Consumer<Frame> consumer) {
  47         frameConsumer = consumer;
  48     }
  49 }