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FaceDetector.java
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/
FaceDetector.java
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package com.github.gitleon.opencvdemo.facedetector;
import com.github.gitleon.opencvdemo.utils.FrameGrabberWrapper;
import com.github.gitleon.opencvdemo.utils.FrameRecorderWrapper;
import org.bytedeco.javacpp.opencv_objdetect;
import org.bytedeco.javacv.*;
/**
* @author leon
*/
public class FaceDetector implements FaceDetectorInterface {
private final FaceClassifier classifier;
private final FrameGrabberWrapper grabber;
private final FrameRecorderWrapper recorder;
private final OpenCVFrameConverter.ToMat converter;
private final CanvasFrame canvas;
FaceDetector(opencv_objdetect.CascadeClassifier classifier, FrameGrabber grabber, FrameRecorder recorder, CanvasFrame canvas) {
this.classifier = new FaceClassifier(classifier);
this.grabber = new FrameGrabberWrapper(grabber);
this.recorder = new FrameRecorderWrapper(recorder);
this.converter = new OpenCVFrameConverter.ToMat();
this.canvas = canvas;
}
@Override
public void start() {
grabber.start();
recorder.start();
}
@Override
public void detect() {
if(canvas.isVisible()) {
Frame frame = getFrameFromCamera();
canvas.showImage(frame);
recorder.record(frame);
}
}
@Override
public void stop() {
canvas.dispose();
recorder.stop();
grabber.stop();
}
private Frame getFrameFromCamera() {
return converter.convert(classifier.classify(converter.convert(grabber.grab())));
}
}