jmstudio.java

视频编码的一个实例程序

/*
 * @(#)JMStudio.java	1.29 00/05/19
 *
 * Copyright (c) 1999 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 java.util.*;
import java.net.*;
import java.lang.reflect.Method;
import java.awt.*;
import java.awt.event.*;
import java.io.*;

import javax.media.*;
import javax.media.util.*;
import javax.media.format.*;
import javax.media.control.*;
import javax.media.protocol.*;
import javax.media.bean.playerbean.*;
import javax.media.rtp.*;
import javax.media.rtp.event.*;

import com.sun.media.util.JMFI18N;

import jmapps.ui.*;
import jmapps.util.*;
import jmapps.rtp.*;
import jmapps.jmstudio.*;


public class JMStudio extends PlayerFrame implements ItemListener,
                                    ReceiveStreamListener {

    private Menu                    menuRecentUrl;
    private MenuItem                menuFileClose;
    private MenuItem                menuFileExport;
    private MenuItem                menuCapture;
    private CheckboxMenuItem        menuAutoPlay;
    private CheckboxMenuItem        menuAutoLoop;
    private CheckboxMenuItem        menuKeepAspect;
    private MenuItem                menuFullScreen;
    private MenuItem                menuSnapShot;
    private MenuItem                menuPlugins;
    private MenuItem                menuCaptureControl;
    private MenuItem                menuRtpSessionControl;
    private MenuItem                menuTransmissionStats;

    private Dimension               dimFrameSizeBeforeFullScreen = null;
    private Window                  windowFullScreen = null;
    private MouseListener           listenerMouseFullScreen;

    private Control                 controlPlugins = null;
    private Component               componentPlugins = null;
    private FrameGrabbingControl    controlGrabber = null;

    private FileDialog              dlgOpenFile = null;
    private JMFRegistry             jmfRegistry = null;

    private Vector                  vectorRtpFrames = null;
    private SnapFrame               frameSnap = null;
    private TransmissionStatsDialog dlgTransmissionStats = null;
    private SessionControlDialog    dlgSessionControl = null;

    private String                  strOptionalTitle = "";
    private DataSource              dataSourceCurrent = null;
    private String                  nameCaptureDeviceAudio = null;
    private String                  nameCaptureDeviceVideo = null;
    private CaptureControlsDialog   dlgCaptureControls = null;

    private SessionManager          mngrSessionRtp = null;
    private Vector                  vectorMngrSessions = null;
    private Vector                  vectorStreams = null;
    private Vector                  vectorStreamLabels = null;

    public static final String APPNAME = JMFI18N.getResource ( "jmstudio.appname" );

    private static final String MENU_FILE                   = JMFI18N.getResource ( "jmstudio.menu.file" );
    private static final String MENU_FILE_NEWWINDOW         = JMFI18N.getResource ( "jmstudio.menu.file.newwindow" );
    private static final String MENU_FILE_OPENFILE          = JMFI18N.getResource ( "jmstudio.menu.file.openfile" );
    private static final String MENU_FILE_OPENURL           = JMFI18N.getResource ( "jmstudio.menu.file.openurl" );
    private static final String MENU_FILE_OPENRTP           = JMFI18N.getResource ( "jmstudio.menu.file.openrtp" );
    private static final String MENU_FILE_CAPTURE           = JMFI18N.getResource ( "jmstudio.menu.file.capture" );
    private static final String MENU_FILE_RECENTURL         = JMFI18N.getResource ( "jmstudio.menu.file.recent" );
    private static final String MENU_FILE_CLOSE             = JMFI18N.getResource ( "jmstudio.menu.file.close" );
    private static final String MENU_FILE_EXPORT            = JMFI18N.getResource ( "jmstudio.menu.file.export" );
    private static final String MENU_FILE_TRANSMIT          = JMFI18N.getResource ( "jmstudio.menu.file.transmit" );
    private static final String MENU_FILE_PREFERENCES       = JMFI18N.getResource ( "jmstudio.menu.file.preferences" );
    private static final String MENU_FILE_EXIT              = JMFI18N.getResource ( "jmstudio.menu.file.exit" );

    private static final String MENU_PLAYER                 = JMFI18N.getResource ( "jmstudio.menu.player" );
    private static final String MENU_PLAYER_AUTOPLAY        = JMFI18N.getResource ( "jmstudio.menu.player.autoplay" );
    private static final String MENU_PLAYER_AUTOLOOP        = JMFI18N.getResource ( "jmstudio.menu.player.autoloop" );
    private static final String MENU_PLAYER_KEEPASPECT      = JMFI18N.getResource ( "jmstudio.menu.player.keepaspect" );
    private static final String MENU_PLAYER_FULLSCREEN      = JMFI18N.getResource ( "jmstudio.menu.player.fullscreen" );
    private static final String MENU_PLAYER_SNAPSHOT        = JMFI18N.getResource ( "jmstudio.menu.player.snapshot" );
    private static final String MENU_PLAYER_PLUGINS         = JMFI18N.getResource ( "jmstudio.menu.player.plugins" );
    private static final String MENU_PLAYER_CAPTURE         = JMFI18N.getResource ( "jmstudio.menu.player.capturecontrols" );
    private static final String MENU_PLAYER_RTPSESSION      = JMFI18N.getResource ( "jmstudio.menu.player.rtpsession" );
    private static final String MENU_PLAYER_TRANSMISSION    = JMFI18N.getResource ( "jmstudio.menu.player.transmission" );

    private static final String MENU_HELP                   = JMFI18N.getResource ( "jmstudio.menu.help");
    private static final String MENU_HELP_ABOUT             = JMFI18N.getResource ( "jmstudio.menu.help.about");

    private static Vector       vectorFrames = new Vector (); // keeps count of all open JMStudio frames
    private static JMAppsCfg    cfgJMApps = null;
    private static double       dDefaultScale = 1.0;


    public JMStudio () {
        super ( null, APPNAME );
        updateMenu ();
    }

    public void addNotify () {
        super.addNotify ();
    }

    public void pack () {
        super.pack ();
    }

    protected void initFrame () {
        createMenu ();
        super.initFrame ();
    }

    private void createMenu () {
        MenuBar         menu;
        Menu            menuFile;
        Menu            menuPlayer;
        Menu            menuHelp;
        MenuShortcut    shortcut;
        MenuItem        itemMenu;
        Vector          vector;
        boolean         boolValue;


        menu = new MenuBar ();
        this.setMenuBar ( menu );

        // menu File
        menuFile = new Menu ( MENU_FILE );
        menu.add ( menuFile );

        shortcut = new MenuShortcut ( KeyEvent.VK_N );
        itemMenu = new MenuItem ( MENU_FILE_NEWWINDOW, shortcut );
        itemMenu.addActionListener ( this );
        menuFile.add ( itemMenu );

        shortcut = new MenuShortcut ( KeyEvent.VK_O );
        itemMenu = new MenuItem ( MENU_FILE_OPENFILE, shortcut );
        itemMenu.addActionListener ( this );
        menuFile.add ( itemMenu );

        shortcut = new MenuShortcut ( KeyEvent.VK_U );
        itemMenu = new MenuItem ( MENU_FILE_OPENURL, shortcut );
        itemMenu.addActionListener ( this );
        menuFile.add ( itemMenu );

        shortcut = new MenuShortcut ( KeyEvent.VK_R );
        itemMenu = new MenuItem ( MENU_FILE_OPENRTP, shortcut );
        itemMenu.addActionListener ( this );
        menuFile.add ( itemMenu );

        shortcut = new MenuShortcut ( KeyEvent.VK_P );
        menuCapture = new MenuItem ( MENU_FILE_CAPTURE, shortcut );
        menuCapture.addActionListener ( this );
        menuFile.add ( menuCapture );
        vector = CaptureDeviceManager.getDeviceList ( null );
        if ( vector == null  ||  vector.size() < 1 )
            menuCapture.setEnabled ( false );
        else
            menuCapture.setEnabled ( true );

        menuRecentUrl = new Menu ( MENU_FILE_RECENTURL );
        updateRecentUrlMenu ();
        menuFile.add ( menuRecentUrl );

        shortcut = new MenuShortcut ( KeyEvent.VK_W );
        menuFileClose = new MenuItem ( MENU_FILE_CLOSE, shortcut );
        menuFileClose.addActionListener ( this );
        menuFile.add ( menuFileClose );

        menuFile.addSeparator ();

        shortcut = new MenuShortcut ( KeyEvent.VK_E );
        menuFileExport = new MenuItem ( MENU_FILE_EXPORT, shortcut );
        menuFileExport.addActionListener ( this );
        menuFile.add ( menuFileExport );

        shortcut = new MenuShortcut ( KeyEvent.VK_T );
        itemMenu = new MenuItem ( MENU_FILE_TRANSMIT, shortcut );
        itemMenu.addActionListener ( this );
        menuFile.add ( itemMenu );

        menuFile.addSeparator ();

        itemMenu = new MenuItem ( MENU_FILE_PREFERENCES );
        itemMenu.addActionListener ( this );
        menuFile.add ( itemMenu );

        shortcut = new MenuShortcut ( KeyEvent.VK_X );
        itemMenu = new MenuItem ( MENU_FILE_EXIT, shortcut );
        itemMenu.addActionListener ( this );
        menuFile.add ( itemMenu );

        // menu Player
        menuPlayer = new Menu ( MENU_PLAYER );
        menu.add ( menuPlayer );
        // It's a funny thing that we have to make this kind of a call at all,
        // less in this particular place. But if we don't do that here,
        // Windows will screw up the frame insets and therefore the layout.
        this.addNotify ();

        if ( cfgJMApps != null )
            boolValue = cfgJMApps.getAutoPlay ();
        else
            boolValue = false;
        menuAutoPlay = new CheckboxMenuItem ( MENU_PLAYER_AUTOPLAY, boolValue );
        menuAutoPlay.addItemListener ( this );
        menuPlayer.add ( menuAutoPlay );

        if ( cfgJMApps != null )
            boolValue = cfgJMApps.getAutoLoop ();
        else
            boolValue = true;
        menuAutoLoop = new CheckboxMenuItem ( MENU_PLAYER_AUTOLOOP, boolValue );
        menuAutoLoop.addItemListener ( this );
        menuPlayer.add ( menuAutoLoop );

        if ( cfgJMApps != null )
            boolValue = cfgJMApps.getKeepAspectRatio ();
        else
            boolValue = false;
        menuKeepAspect = new CheckboxMenuItem ( MENU_PLAYER_KEEPASPECT, boolValue );
        menuKeepAspect.addItemListener ( this );
        menuPlayer.add ( menuKeepAspect );

        menuPlayer.addSeparator ();

        shortcut = new MenuShortcut ( KeyEvent.VK_F );
        menuFullScreen = new MenuItem ( MENU_PLAYER_FULLSCREEN, shortcut );
        menuFullScreen.addActionListener ( this );
        menuPlayer.add ( menuFullScreen );

        shortcut = new MenuShortcut ( KeyEvent.VK_S );
        menuSnapShot = new MenuItem ( MENU_PLAYER_SNAPSHOT, shortcut );
        menuSnapShot.addActionListener ( this );
        menuPlayer.add ( menuSnapShot );

        menuPlayer.addSeparator ();

//        shortcut = new MenuShortcut ( KeyEvent.VK_V );
        menuPlugins = new MenuItem ( MENU_PLAYER_PLUGINS /*, shortcut*/ );
        menuPlugins.addActionListener ( this );
        menuPlayer.add ( menuPlugins );

//        shortcut = new MenuShortcut ( KeyEvent.VK_A );
        menuCaptureControl = new MenuItem ( MENU_PLAYER_CAPTURE /*, shortcut*/ );
        menuCaptureControl.addActionListener ( this );
        menuPlayer.add ( menuCaptureControl );

//        shortcut = new MenuShortcut ( KeyEvent.VK_I );
        menuRtpSessionControl = new MenuItem ( MENU_PLAYER_RTPSESSION /*, shortcut*/ );
        menuRtpSessionControl.addActionListener ( this );
        menuPlayer.add ( menuRtpSessionControl );

//        shortcut = new MenuShortcut ( KeyEvent.VK_M );
        menuTransmissionStats = new MenuItem ( MENU_PLAYER_TRANSMISSION /*, shortcut*/ );
        menuTransmissionStats.addActionListener ( this );
        menuPlayer.add ( menuTransmissionStats );

        // menu Help
        menuHelp = new Menu ( MENU_HELP );
        menu.add ( menuHelp );

        shortcut = new MenuShortcut ( KeyEvent.VK_H );
        itemMenu = new MenuItem ( MENU_HELP_ABOUT, shortcut );
        itemMenu.addActionListener ( this );
        menuHelp.add ( itemMenu );
    }

    public void actionPerformed ( ActionEvent event ) {
        String      strCmd;
        Object      objSource;
        String      nameUrl;
        Frame       frame;
        Component   component;


        strCmd = event.getActionCommand ();
        objSource = event.getSource ();
        if ( strCmd == null  &&  objSource instanceof MenuItem )
            strCmd = ((MenuItem)objSource).getActionCommand ();

        if ( strCmd == null )
            return;

        if ( strCmd.equals(MENU_FILE_NEWWINDOW) ) {
            createNewFrame ();
        }
        else if ( strCmd.equals(MENU_FILE_OPENFILE) ) {