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Added initial code for using javacv (opencv) to capture input from Di…
…rectShow devices!
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90 changes: 90 additions & 0 deletions
90
...A/src/main/java/be/beeles_place/jambiLight/utils/screenCapture/impl/DirectShowCapper.java
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| @@ -0,0 +1,90 @@ | ||
| package be.beeles_place.jambiLight.utils.screenCapture.impl; | ||
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| import be.beeles_place.jambiLight.utils.logger.LOGGER; | ||
| import be.beeles_place.jambiLight.utils.screenCapture.IScreenCapper; | ||
| import org.bytedeco.javacpp.opencv_core; | ||
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| import java.awt.*; | ||
| import java.awt.image.BufferedImage; | ||
| import java.awt.image.DataBufferByte; | ||
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| import static org.bytedeco.javacpp.opencv_highgui.*; | ||
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| public class DirectShowCapper implements IScreenCapper { | ||
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| private final LOGGER logger; | ||
| private Dimension dimensions; | ||
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| private VideoCapture vc; | ||
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| private byte[] data; | ||
| private int[] pixels; | ||
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| private final int width; | ||
| private final int height; | ||
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| private boolean initDone; | ||
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| /** | ||
| * Constructor for DirectShowCapper. | ||
| * Sets and calculates initial values. | ||
| */ | ||
| public DirectShowCapper() { | ||
| logger = LOGGER.getInstance(); | ||
| logger.INFO("SCREENCAPPER => Starting screen capture with through DirectShow device."); | ||
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| width = 720; | ||
| height = 576; | ||
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| pixels = new int[width * height]; | ||
| dimensions = new Dimension(width,height); | ||
| } | ||
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| @Override | ||
| public Dimension getScreenDimensions() { | ||
| return dimensions; | ||
| } | ||
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| private void init() { | ||
| //TODO: Set up the correct device! | ||
| vc = new VideoCapture(0); | ||
| //vc.set(CV_CAP_PROP_FRAME_WIDTH,720); | ||
| //vc.set(CV_CAP_PROP_FRAME_HEIGHT,480); | ||
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| initDone = true; | ||
| } | ||
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| @Override | ||
| public int[] capture() { | ||
| if(initDone == false){ | ||
| init(); | ||
| } | ||
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| opencv_core.Mat m = new opencv_core.Mat(); | ||
| if(vc.read(m)) { | ||
| BufferedImage img = m.getBufferedImage(); | ||
| byte[] temp = ((DataBufferByte) img.getRaster().getDataBuffer()).getData(); | ||
| for (int i = 0 ; i < pixels.length; i++) { | ||
| //Convert from RGB bytes to pixel integer! | ||
| pixels[i] = (( temp[i*3+2] &0x0ff)<<16)|(( temp[i*3+1] &0x0ff)<<8)|( temp[i*3] &0x0ff); | ||
| } | ||
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| img.flush(); | ||
| img = null; | ||
| temp = null; | ||
| return pixels; | ||
| } else { | ||
| //TODO: Error! | ||
| return new int[width * height]; | ||
| } | ||
| } | ||
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| @Override | ||
| public void dispose() { | ||
| if(vc != null && vc.isOpened()) { | ||
| vc.release(); | ||
| } | ||
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| dimensions = null; | ||
| } | ||
| } |
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