sunvideoplusmanual.java

jmf的示例程序,学习jmf入门示例,很好很强大,什么功能都有

/*
 * @(#)SunVideoPlusManual.java	1.3 01/03/13
 *
 * Copyright (c) 1999-2001 Sun Microsystems, Inc. All Rights Reserved.
 *
 * Sun grants you ("Licensee") a non-exclusive, royalty free, license to use,
 * modify and redistribute this software in source and binary code form,
 * provided that i) this copyright notice and license appear on all copies of
 * the software; and ii) Licensee does not utilize the software in a manner
 * which is disparaging to Sun.
 *
 * This software is provided "AS IS," without a warranty of any kind. ALL
 * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING ANY
 * IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR
 * NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN AND ITS LICENSORS SHALL NOT BE
 * LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING
 * OR DISTRIBUTING THE SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR ITS
 * LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT,
 * INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER
 * CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF
 * OR INABILITY TO USE SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGES.
 *
 * This software is not designed or intended for use in on-line control of
 * aircraft, air traffic, aircraft navigation or aircraft communications; or in
 * the design, construction, operation or maintenance of any nuclear
 * facility. Licensee represents and warrants that it will not use or
 * redistribute the Software for such purposes.
 */

import javax.media.*;
import javax.media.format.VideoFormat;
import javax.media.format.RGBFormat;
import javax.media.format.YUVFormat;
import javax.media.format.AudioFormat;
import java.util.*;
import java.awt.*;
import java.awt.event.*;
import java.io.File;
import com.sun.media.protocol.sunvideoplus.*;

public class SunVideoPlusManual extends Frame {

    private static String DEVICE_PREFIX = "/dev/o1k";
    CaptureDeviceInfo [] devices = null;
    int currentID = -1;
    
    public SunVideoPlusManual() {
	super("SunVideoPlus");

	Font lblFont = new Font("Dialog", Font.BOLD + Font.ITALIC, 12);
	setLayout(new BorderLayout());
	BorderPanel bp = new BorderPanel();
	bp.setLayout(new BorderLayout(0, 0));

	Panel p = new Panel();
	p.setLayout(new FlowLayout(FlowLayout.LEFT));
	Label lbl = new Label("Configure Capture Devices");
	lbl.setFont(lblFont);
	p.add(lbl);
	bp.add(BorderLayout.NORTH, p);

	p = new Panel();
	p.setLayout(new FlowLayout());

	int nDevices = 0;
	for (int i = 0; i < 10; i++) {
	    File fl = new File(DEVICE_PREFIX + i);
	    if (fl.exists()) {
		Button device = new Button(DEVICE_PREFIX + i);
		p.add(device);
		device.addActionListener( new DBListener(i) );
		nDevices++;
	    }
	}
	bp.add(BorderLayout.CENTER, p);
	add(BorderLayout.NORTH, bp);

	devices = new CaptureDeviceInfo[nDevices];

	p = new Panel();
	p.setLayout(new FlowLayout());
	Button bDone = new Button("Done");
	bDone.addActionListener( new ActionListener() {
	    public void actionPerformed(ActionEvent ae) {
		if (currentID != -1) {
		    System.err.println("Need to close other window first");
		    return;
		}
		dispose();
		System.exit(0);
	    }
	} );
	p.add(bDone);
	add(BorderLayout.SOUTH, p);

	pack();
	addWindowListener( new WindowAdapter() {
	    public void windowClosing(WindowEvent we) {
		if (currentID != -1) {
		    System.err.println("Need to close other window first");
		    return;
		}
		dispose();
		System.exit(0);
	    }
	} );
    }

    public void createDialog(int id) {
	if (currentID == id)
	    return;
	currentID = id;
	Thread t = new Thread( new Runnable() {
	    public void run() {
		FormatsDialog fd = new FormatsDialog(currentID);
		fd.setVisible(true);
		Vector cdiv = fd.getDeviceInfo();
		if (cdiv != null && cdiv.size() > 0) {
		    for (int i = 0; i < cdiv.size(); i++) {
			CaptureDeviceInfo cdi = 
					(CaptureDeviceInfo) cdiv.elementAt(i);
			// At the moment, the name and locator are identical
			System.err.println("CaptureDeviceInfo = "
						+ cdi.getName());
//			System.err.println("CaptureDeviceInfo = "
//						+ cdi.getName() + " "
//						+ cdi.getLocator());
		    }
		}
		
		currentID = -1;
	    }
	} );
	t.start();
	// Create a CaptureDeviceInfo....
    }

    class FormatsDialog extends Frame {

	int id;

	Button bFormat, bCancel;
	CheckboxGroup cAnalogGroup;
	Checkbox cNTSC, cPAL;
	CheckboxGroup cPortGroup;
	Checkbox cPort1, cPort2, cSvhs;
	Checkbox cH261, cH263, cJpeg, cRGB, cYUV;
	Checkbox cFull, cCif, cQuarter;

	boolean fullVideo = false;
	boolean anyVideo = true;

	String sAnalog, sPort, sVideoFormat, sSize;

	Hashtable videoFormats = new Hashtable();

	OPICapture opiVidCap = null;

	Integer lock = new Integer(1);
	boolean finished = false;
	boolean needFormat = false;
	
	public FormatsDialog(int id) {
	    super("sunvideoplus:" + DEVICE_PREFIX + id);
	    this.id = id;
	    setLayout(new BorderLayout());
	    cAnalogGroup = new CheckboxGroup();
	    cNTSC = new Checkbox("NTSC", true, cAnalogGroup);
	    cPAL = new Checkbox("PAL", false, cAnalogGroup);
	    cPortGroup = new CheckboxGroup();
	    cPort1 = new Checkbox("1", true, cPortGroup);
	    cPort2 = new Checkbox("2", false, cPortGroup);
	    cSvhs = new Checkbox("S-VHS", false, cPortGroup);

	    ItemListener videoListener = new ItemListener() {
		public void itemStateChanged(ItemEvent e) {
		    fullVideo = (cRGB.getState() | cYUV.getState());
		    anyVideo = (cH261.getState() | cH263.getState()
				| cJpeg.getState() | fullVideo);
		    cFull.setEnabled(fullVideo);
		    cCif.setEnabled(anyVideo);
		    cQuarter.setEnabled(anyVideo);
		}
	    };

	    cH261 = new Checkbox("h.261", false);
	    cH261.addItemListener(videoListener);
	    cH263 = new Checkbox("h.263", false);
	    cH263.addItemListener(videoListener);
	    cJpeg = new Checkbox("Jpeg", true);
	    cJpeg.addItemListener(videoListener);
	    cRGB = new Checkbox("RGB", false);
	    cRGB.addItemListener(videoListener);
	    cYUV = new Checkbox("YUV", false);
	    cYUV.addItemListener(videoListener);
	    cFull = new Checkbox("full cif", false);
	    cFull.setEnabled(false);
	    cCif = new Checkbox("cif", true);
	    cQuarter = new Checkbox("quarter cif", false);


	    bFormat = new Button("Add Formats");
	    bCancel = new Button("Cancel");
	    
	    opiVidCap = new OPICapture(null);
	    if (!opiVidCap.connect(id)) {
		throw new Error("Unable to connect to device");
	    }

	    Font lblFont = new Font("Dialog", Font.BOLD + Font.ITALIC, 12);

	    BorderPanel bp = new BorderPanel();
	    bp.setLayout(new BorderLayout(0, 0));

	    Panel p = new Panel();
	    p.setLayout(new FlowLayout(FlowLayout.LEFT));
	    Label lbl = new Label("Video Input Formats");
	    lbl.setFont(lblFont);
	    p.add(lbl);
	    bp.add(BorderLayout.NORTH, p);

	    Panel cp = new Panel();
	    cp.setLayout(new BorderLayout());

	    p = new Panel();
	    p.setLayout(new FlowLayout());
	    p.add(new Label("Analog"));
	    p.add(cNTSC);
	    p.add(cPAL);
	    cp.add(BorderLayout.NORTH, p);

	    p = new Panel();
	    p.setLayout(new FlowLayout());
	    p.add(new Label("Port"));
	    p.add(cPort1);
	    p.add(cPort2);
	    p.add(cSvhs);
	    cp.add(BorderLayout.SOUTH, p);
	    bp.add(BorderLayout.CENTER, cp);
	    
	    cp = new Panel();
	    cp.setLayout(new BorderLayout());

	    p = new Panel();
	    p.setLayout(new FlowLayout());
	    p.add(new Label("Formats"));
	    p.add(cH261);
	    p.add(cH263);
	    p.add(cJpeg);
	    p.add(cRGB);
	    p.add(cYUV);
	    cp.add(BorderLayout.CENTER, p);

	    p = new Panel();
	    p.setLayout(new FlowLayout());
	    p.add(new Label("Sizes"));
	    p.add(cFull);
	    p.add(cCif);
	    p.add(cQuarter);
	    cp.add(BorderLayout.SOUTH, p);
	    bp.add(BorderLayout.SOUTH, cp);
	    add(BorderLayout.NORTH, bp);

	    p = new Panel();
	    p.setLayout(new FlowLayout());
	    p.add(bFormat);
	    p.add(bCancel);
	    add(BorderLayout.SOUTH, p);
	    pack();

	    addWindowListener( new WindowAdapter() {
		public void windowClosing(WindowEvent we) {
		    synchronized (lock) {
			finished = true;
			lock.notify();
		    }
		}
	    } );

	    bCancel.addActionListener( new ActionListener() {
		public void actionPerformed(ActionEvent ae) {
		    synchronized (lock) {
			finished = true;
			lock.notify();
		    }
		}
	    } );

	    bFormat.addActionListener( new ActionListener() {
		public void actionPerformed(ActionEvent ae) {
		    needFormat = true;
		    synchronized (lock) {
			lock.notify();
		    }
		}
	    } );
	}

	private void addVideoFormat(Format fin) {
	    String sVideo = sPort + "/" + sVideoFormat + "/"
					+ sSize + "/"
					+ sAnalog;
	    System.err.println("New format " + sVideo + " = " + fin);
	    videoFormats.put(sVideo, fin);
	}

	public void mydispose() {
	    opiVidCap.disconnect();
	    dispose();
	    System.err.println("Disconnected driver");
	}
	
	public void doFormat() {
	    if (!checkVideoFormats())
		return;

	    if (anyVideo) {
		doVideoFormats();
	    }
	    finished = true;
	}

	public boolean checkVideoFormats() {
	    if (!anyVideo)
		return true;
	    if (cCif.getState() | cQuarter.getState() |
				    (cFull.getState() && cFull.isEnabled()))
		return true;