1 package kaka.cakelight;
4 import java.io.IOException;
5 import java.util.Optional;
6 import java.util.function.Consumer;
8 public class VideoMode implements Mode, Consumer<Optional<File>> {
9 private Configuration config;
10 private Thread thread;
11 private Consumer<Frame> frameConsumer;
12 private VideoDeviceListener deviceListener;
15 deviceListener = new VideoDeviceListener();
16 deviceListener.onVideoDeviceChange(this);
20 public void enter(Configuration config) {
22 deviceListener.startListening();
28 deviceListener.stopListening();
31 private void startGrabberThread(File videoDevice) {
32 assert frameConsumer != null;
33 thread = new Thread() {
35 try (FrameGrabber grabber = FrameGrabber.from(videoDevice, config)) {
36 while (!isInterrupted()) {
37 // Optional<Frame> frame = grabber.grabFrame();
38 grabber.grabFrame().ifPresent(frameConsumer);
39 // timeIt("frame", grabber::grabFrame);
40 // TODO: process frame
41 // TODO: save where the LedController can access it
43 } catch (IOException e) {
51 public void onFrame(Consumer<Frame> consumer) {
52 frameConsumer = consumer;
56 public void accept(Optional<File> videoDevice) {
57 // Should only happen when this mode is active!
61 videoDevice.ifPresent(this::startGrabberThread);