Same image data for multiple images obtained from API, fixes #182

webcam-capture/pom.xml

@@ -27,7 +27,7 @@
 		<dependency>
 			<groupId>com.nativelibs4java</groupId>
 			<artifactId>bridj</artifactId>
-			<version>0.7-SNAPSHOT</version>
+			<version>0.6.3-SNAPSHOT</version>
 			<exclusions>
 			    <exclusion>
 			        <artifactId>dx</artifactId>

webcam-capture/src/example/java/TakePicturesAndPlayExample.java

@@ -0,0 +1,95 @@
+import java.awt.Color;
+import java.awt.Dimension;
+import java.awt.Graphics;
+import java.awt.image.BufferedImage;
+import java.util.Vector;
+
+import javax.swing.JFrame;
+import javax.swing.JPanel;
+
+import com.github.sarxos.webcam.Webcam;
+
+
+public class TakePicturesAndPlayExample {
+
+	private static final class PlayerPanel extends JPanel {
+
+		private static final long serialVersionUID = 1L;
+
+		private final Vector<BufferedImage> images;
+		private final Dimension size;
+		private int offset = 0;
+
+		public PlayerPanel(Vector<BufferedImage> images) {
+			super();
+			this.images = images;
+			this.size = new Dimension(images.get(0).getWidth(), images.get(0).getHeight());
+			setPreferredSize(size);
+		}
+
+		public void play() {
+			Thread t = new Thread() {
+
+				@Override
+				public void run() {
+					do {
+						repaint();
+						try {
+							Thread.sleep(100);
+						} catch (InterruptedException e) {
+							return;
+						}
+					} while (++offset < images.size());
+				}
+			};
+			t.setDaemon(true);
+			t.start();
+		}
+
+		@Override
+		protected void paintComponent(Graphics g) {
+			g.setColor(Color.BLACK);
+			g.fillRect(0, 0, getWidth(), getHeight());
+			g.drawImage(images.get(offset), 0, 0, null);
+		}
+	}
+
+	public static void main(String[] args) {
+
+		Webcam w = Webcam.getDefault();
+		w.open(true);
+
+		Vector<BufferedImage> images = new Vector<BufferedImage>();
+
+		System.out.println("recording, please wait");
+
+		for (int i = 0; i < 100; i++) {
+			images.add(w.getImage());
+			try {
+				Thread.sleep(100);
+			} catch (InterruptedException e) {
+				return;
+			}
+		}
+
+		w.close();
+
+		System.out.println("play");
+
+		PlayerPanel panel = new PlayerPanel(images);
+
+		JFrame f = new JFrame("Take pictures and play example");
+		f.add(panel);
+		f.pack();
+		f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+		f.setVisible(true);
+
+		panel.play();
+
+		try {
+			Thread.sleep(100 * images.size());
+		} catch (InterruptedException e) {
+			return;
+		}
+	}
+}

webcam-capture/src/main/java/com/github/sarxos/webcam/ds/buildin/WebcamDefaultDevice.java

@@ -129,9 +129,6 @@ protected void handle() {
 	private String id = null;
 	private String fullname = null;
 
-	private byte[] bytes = null;
-	private byte[][] data = null;
-
 	private long t1 = -1;
 	private long t2 = -1;
 
@@ -210,6 +207,9 @@ public BufferedImage getImage() {
 			return null;
 		}
 
+		byte[] bytes = new byte[size.width * size.height * 3];
+		byte[][] data = new byte[][] { bytes };
+
 		buffer.get(bytes);
 
 		DataBufferByte dbuf = new DataBufferByte(data, bytes.length, OFFSET);
@@ -296,9 +296,6 @@ public void open() {
 
 		LOG.debug("Webcam device {} is now open", this);
 
-		bytes = new byte[size.width * size.height * 3];
-		data = new byte[][] { bytes };
-
 		open.set(true);
 
 		refresher = new Thread(this, String.format("frames-refresher:%s", id));