/* * @(#)VideoPlayer.java	1.5 04/03/10 * * Copyright (c) 2000-2004 Sun Microsystems, Inc. All rights reserved. * PROPRIETARY/CONFIDENTIAL * Use is subject to license terms */package example.mmademo;import javax.microedition.midlet.*;import javax.microedition.lcdui.*;import javax.microedition.media.*;import javax.microedition.media.control.*;import java.io.*;import com.sun.mmedia.VideoPlayer2;/** * Play Video/Capture in a Form using MMAPI * */public class VideoPlayer extends Form    implements Runnable, CommandListener, PlayerListener {    private static final String TITLE_TEXT = "MMAPI Video Player";    private static Player player = null;    private static boolean isCapturePlayer;    private static Image logo = null;    private int idx = 0;    private Display parentDisplay;    private long duration;    private final Command backCommand = new Command("Back", Command.BACK, 1);    private final Command playCommand = new Command("Play", Command.ITEM, 1);    private final Command snapCommand = new Command("Snapshot", Command.ITEM, 1);    private final Command pauseCommand = new Command("Pause", Command.ITEM, 10);    private Item videoItem;    private StringItem status;    private StringItem audioStatus;    private StringItem time;    private VolumeControl vc;    private RateControl rc;    private Thread th;    private int currentVolume;    private boolean muted;    private int currentRate = 100000;    private VideoControl vidc;    // pause/resume support    private boolean suspended = false;    private boolean restartOnResume = false;    private long restartMediaTime;    public VideoPlayer(Display parentDisplay) {        super(TITLE_TEXT);        this.idx = 0;        this.parentDisplay = parentDisplay;        initialize();                VideoPlayer2 wP = new VideoPlayer2();    }    void initialize() {        addCommand(backCommand);        addCommand(snapCommand);        setCommandListener(this);        try {	    if (logo == null)		logo = Image.createImage("/icons/logo.png");        } catch (Exception ex) {            logo = null;        }        if ( logo == null)            System.out.println("can not load logo.png");    }    /*     * Respond to commands, including back     */    public void commandAction(Command c, Displayable s) {        if (s == this) {            if (c == backCommand) {                close();                parentDisplay.setCurrent(VideoTest.getList());            } else if (videoItem != null && c == snapCommand) {                doSnapshot();            } else if (videoItem == null && c == pauseCommand) {                removeCommand(pauseCommand);                addCommand(playCommand);                pause();            } else if (videoItem == null && c == playCommand) {                start();                removeCommand(playCommand);                addCommand(pauseCommand);            }        }    }    public void run() {        while (player != null) {	    // sleep 200 millis. If suspended, 	    // sleep until MIDlet is restarted	    do {		try {		    Thread.sleep(200);		} catch (InterruptedException ie) {		}	    } while (player != null && suspended);            	    synchronized (this) {                if (player == null)                    return;                if (vc !=  null) {                    if (vc.getLevel() != currentVolume || vc.isMuted() != muted) {                        muted = vc.isMuted();                        currentVolume = vc.getLevel();                        audioStatus.setText("Volume: " + currentVolume + "% " +					    (muted?" (muted)":""));                    }                }                if (rc != null) {                    if (rc.getRate() != currentRate) {                        currentRate = rc.getRate();                        updateStatus();                    }                }                long k = player.getMediaTime();                time.setText("Pos: " + (k / 1000000) + "." + ((k / 10000) % 100));            }        }    }    public void open(String url) {        try {            synchronized (this) {                if ( player == null ) {                    if (url.startsWith("resource:")) {                        InputStream ins = getClass().getResourceAsStream(url.substring(9));			String ct = Utils.guessContentType(url);                        player = Manager.createPlayer(ins, ct);                    } else {                        player = Manager.createPlayer(url);                    }                    player.addPlayerListener(this);		    isCapturePlayer = url.startsWith("capture:");                }            }            player.realize();            if ((vidc = (VideoControl) player.getControl("VideoControl")) != null) {                videoItem = (Item)vidc.initDisplayMode(VideoControl.USE_GUI_PRIMITIVE, null);                //vidc.setDisplaySize(240, 140);            } else if (logo != null) {                append(new ImageItem("", logo, ImageItem.LAYOUT_CENTER,""));            }            Control [] controls = player.getControls();            for (int i = 0; i < controls.length; i++) {                if (controls[i] instanceof GUIControl && controls[i] != vidc) {                    append((Item) controls[i]);                }                if (controls[i] instanceof VolumeControl) {                    vc = (VolumeControl) controls[i];                }                if (controls[i] instanceof RateControl) {                    rc = (RateControl) controls[i];                }            }            status = new StringItem("Status: ","");	    status.setLayout(Item.LAYOUT_NEWLINE_AFTER);            append(status);            if (vc != null) {                audioStatus = new StringItem("", "Volume:");		audioStatus.setLayout(Item.LAYOUT_NEWLINE_AFTER);                append(audioStatus);            }	    time = new StringItem("","");	    time.setLayout(Item.LAYOUT_NEWLINE_AFTER);            append(time);            player.prefetch();            if (videoItem == null)                addCommand(pauseCommand);            else {		Spacer spacer = new Spacer(3, 10);		spacer.setLayout(Item.LAYOUT_NEWLINE_BEFORE);		append(spacer);                append(videoItem);	    }            Thread t = new Thread(this);            t.start();        } catch (Exception me) {	    System.err.println(me);	    close();        }    }    public void start() {        if (player == null)            return;        try {            duration = player.getDuration();            player.start();        } catch (Exception ex) {	    System.err.println(ex);	    close();        }    }    public void close() {        synchronized (this) {            pause();            if (player != null) {                player.close();                player = null;            }        }        VideoTest.getInstance().nullPlayer();    }    public void pause() {        if ( player != null)  {            try {                player.stop();            } catch (MediaException me) {		System.err.println(me);	    }        }    }    private synchronized void updateStatus() {        if (player == null)            return;        status.setText((player.getState() == Player.STARTED ? "Playing, ": "Paused, ") +		       "Rate: " + (currentRate/1000) + "%\n");    }    public void playerUpdate(Player plyr, String evt, Object evtData) {	if ( evt == END_OF_MEDIA ) {	    try {		player.setMediaTime(0);		player.start();	    } catch (MediaException me) {		System.err.println(me);	    }	} else if (evt == STARTED || evt == STOPPED) {	    updateStatus();	}    }    private void doSnapshot() {        new Thread() {            public void run() {                try {                    byte [] snap = vidc.getSnapshot("encoding=jpeg");                    if (snap != null) {			Image im = Image.createImage(snap, 0, snap.length);			ImageItem imi = new ImageItem("", im, 0, "");			append(imi);                    }                } catch (MediaException me) {                    System.err.println(me);                }            }        }.start();    }    public synchronized void stopVideoPlayer() {	player.deallocate();    }    /**     * Deallocate the player and the display thread.     * Some VM's may stop players and threads     * on their own, but for consistent user     * experience, it's a good idea to explicitely     * stop and start resources such as player     * and threads.     */    public synchronized void pauseApp() {	suspended = true;	if (player != null && player.getState() >= Player.STARTED) {	    // player was playing, so stop it and release resources.	    if (!isCapturePlayer) {		restartMediaTime = player.getMediaTime();	    }	    player.deallocate();	    // make sure to restart upon resume	    restartOnResume = true;	} else {	    restartOnResume = false;	}    }	    /**     * If the player was playing when the MIDlet was paused,     * then the player will be restarted here.     */    public synchronized void startApp() {	suspended = false;	if (player != null && restartOnResume) {	    try {		player.prefetch();		if (!isCapturePlayer) {		    try {			player.setMediaTime(restartMediaTime);		    } catch (MediaException me) {			System.err.println(me);		    }		}		player.start();	    } catch (MediaException me) {		System.err.println(me);	    }	}	restartOnResume = false;    }}