552 lines
14 KiB
Text
552 lines
14 KiB
Text
/*
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The contents of this file are subject to the THDL Open Community License
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Version 1.0 (the "License"); you may not use this file except in compliance
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with the License. You may obtain a copy of the License on the THDL web site
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(http://www.thdl.org/).
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Software distributed under the License is distributed on an "AS IS" basis,
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WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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License for the specific terms governing rights and limitations under the
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License.
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The Initial Developer of this software is the Tibetan and Himalayan Digital
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Library (THDL). Portions created by the THDL are Copyright 2001 THDL.
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All Rights Reserved.
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Contributor(s): ______________________________________.
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*/
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package org.thdl.media;
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import java.awt.*;
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import java.net.*;
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import quicktime.*;
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import quicktime.app.*;
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import quicktime.app.display.*;
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import quicktime.app.players.*;
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import quicktime.app.image.*; //required for the QT4JAVA test
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import quicktime.std.*;
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import quicktime.std.movies.*;
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import quicktime.std.movies.media.DataRef;
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import quicktime.io.*;
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import quicktime.app.time.*;
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import quicktime.std.clocks.*;
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public class SmartQT4JPlayer extends SmartMoviePanel
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{
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//attributes
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private QTCanvas canvas; //this hands over screen real estate to
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//native graphics that quicktime can control
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private QTPlayer player; //this is the the client for the canvas
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//In my app it will get set to a
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// quicktime.app.player object
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private Movie movie; //this is the content used in
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//QTDrawable player's quicktime.app.player constructor
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private MovieController controller;
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private TimeBaseRateCallBack theMoviesRateCallback;
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private TimeBaseExtremesCallBack theMoviesExtremeCallback;
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private TimeBaseTimeJumpCallBack theMoviesTimeJumpCallback;
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private TimeBaseTimeCallBack theMoviesTimeCallback;
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private TimeBaseTimeCallBackStopper theStopper;
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//accessors
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public static String getName() {
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return "Quicktime for Java";
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}
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public void setPlayer(QTPlayer player)
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{
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this.player = player;
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}
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public QTPlayer getPlayer()
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{
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return player;
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}
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public void setMovie(Movie movie)
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{
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this.movie = movie;
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}
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public void setMovie(URL movieURL)
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{
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try
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{
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DataRef movieDataRef = new DataRef( "file://" + movieURL.getFile() );
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Movie m = new Movie();
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m = m.fromDataRef( movieDataRef, StdQTConstants.newMovieActive );
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setMovie(m);
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getMovie().setTimeScale(1000);
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}
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catch(QTException qte)
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{
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qte.printStackTrace();
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System.out.println( movieURL.toString() );
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}
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}
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public Movie getMovie()
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{
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return movie;
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}
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public void setController(MovieController controller)
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{
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this.controller = controller;
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}
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public MovieController getController()
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{
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return controller;
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}
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public void setCanvas(QTCanvas canvas)
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{
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this.canvas = canvas;
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}
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public QTCanvas getCanvas()
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{
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return canvas;
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}
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//contract methods - initialize
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public void displayBorders(boolean borders) throws SmartMoviePanelException
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{
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}
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public void displayController(boolean controller) throws SmartMoviePanelException
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{
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}
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public void loadMovie(URL mediaURL) throws SmartMoviePanelException
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{
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//Initialize a QT session and add a test image
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//These three try/catch blocks come from PlayMovie.java copyright
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// Apple Co. I'm using it to test that QT and QT4Java exist
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try
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{
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if (QTSession.isInitialized() == false) {
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QTSession.open();
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try
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{
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setCanvas( new QTCanvas(QTCanvas.kInitialSize, 0.5F, 0.5F) );
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this.add( getCanvas() );
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getCanvas().setClient(ImageDrawer.getQTLogo(), true);
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}
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catch(QTException qte)
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{
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qte.printStackTrace();
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}
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}
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}
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catch (NoClassDefFoundError er)
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{
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add (new Label ("Can't Find QTJava classes"), "North");
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add (new Label ("Check install and try again"), "South");
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}
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catch (SecurityException se)
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{
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// this is thrown by MRJ trying to find QTSession class
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add (new Label ("Can't Find QTJava classes"), "North");
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add (new Label ("Check install and try again"), "South");
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}
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catch (Exception e)
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{
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// do a dynamic test for QTException
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//so the QTException class is not loaded unless
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// an unknown exception is thrown by the runtime
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if (e instanceof ClassNotFoundException || e instanceof java.io.FileNotFoundException)
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{
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add (new Label ("Can't Find QTJava classes"), "North");
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add (new Label ("Check install and try again"), "South");
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}
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else if (e instanceof QTException)
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{
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add (new Label ("Problem with QuickTime install"), "North");
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if (((QTException)e).errorCode() == -2093)
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add (new Label ("QuickTime must be installed"), "South");
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else
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add (new Label (e.getMessage()), "South");
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}
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}
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setMovie(mediaURL);
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try
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{
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getCanvas().removeClient();
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setController( new MovieController( getMovie() ));
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getController().setKeysEnabled(true);
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setPlayer(new QTPlayer( getController() ));
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getCanvas().setClient( getPlayer(), true );
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this.add( getCanvas() );
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TimeBase theMoviesTimeBase = getMovie().getTimeBase();
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// this callback is triggered when the rate of the movie changes
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theMoviesRateCallback = new TimeBaseRateCallBack(theMoviesTimeBase, 1.0F, StdQTConstants.triggerRateChange);
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// theMoviesRateCallback.callMeWhen();
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// this callback is triggered when the movie ends
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theMoviesExtremeCallback = new TimeBaseExtremesCallBack(theMoviesTimeBase, StdQTConstants.triggerAtStop);
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// theMoviesExtremeCallback.callMeWhen();
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// this callback is triggered when the movie starts
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theMoviesExtremeCallback = new TimeBaseExtremesCallBack(theMoviesTimeBase, StdQTConstants.triggerAtStart);
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// theMoviesExtremeCallback.callMeWhen();
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// this callback is triggered when there is a jump in the timebase
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theMoviesTimeJumpCallback = new TimeBaseTimeJumpCallBack(theMoviesTimeBase);
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// theMoviesTimeJumpCallback.callMeWhen();
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// this schedules the time callback once every 2 seconds
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// this callback is triggered at a specific time interval
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theMoviesTimeCallback = new TimeBaseTimeCallBack(theMoviesTimeBase, 1, 2, StdQTConstants.triggerTimeEither);
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// theMoviesTimeCallback.callMeWhen();
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//Using the Timer class you can get rescheduled properly and get callbacks at the set intervals. It uses the same callback
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//mechanism of internally of the TimeCallback.
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//Its recomended to use this Timer class to do callbacks , which would take care of the time base time changes and
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//recscheduling of the tickle method .
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Timer timer = new Timer(1, 2, new Tickler(), getMovie() );
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// timer.setActive(true);
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}
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catch(QTException qte)
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{
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qte.printStackTrace();
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}
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}
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//contract methods - control media
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public void cmd_playOn() throws SmartMoviePanelException
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{
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try
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{
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getPlayer().setRate(1.0F);
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}
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catch(QTException qte)
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{
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qte.printStackTrace();
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}
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}
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public void cmd_playSegment(Integer startTime, Integer stopTime) throws SmartMoviePanelException
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{
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try
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{
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getPlayer().setTime( startTime.intValue() );
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int value;
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if (stopTime == null)
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value=getEndTime();
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else
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value=stopTime.intValue();
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TimeBase theMoviesTimeBase = getPlayer().getTimeBase();
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theStopper = new TimeBaseTimeCallBackStopper(theMoviesTimeBase, 1000, value, StdQTConstants.triggerTimeEither);
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theStopper.callMeWhen();
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cmd_playOn();
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System.out.println("Set start time to " +startTime.intValue() );
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System.out.println("Set stop time " +stopTime.intValue() );
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System.out.println("Current time " +getPlayer().getTime() );
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System.out.println("Time Stopper's stop trigger " +theStopper.getCallTime() );
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System.out.println("Player Scale: " +getPlayer().getScale() );
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System.out.println("Movie Scale: " +getMovie().getTimeScale() );
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}
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catch (SmartMoviePanelException smpe) {}
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catch (StdQTException sqte) {}
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catch (QTException qte) {}
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}
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public void cmd_stop() throws SmartMoviePanelException
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{
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try
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{
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getPlayer().setRate(0.0F);
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}
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catch(QTException qte)
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{
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qte.printStackTrace();
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}
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}
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//contract methods - media status
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public boolean isInitialized()
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{
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return true;
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}
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public boolean isPlaying() {
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return false; //FIXME
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}
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public int getCurrentTime()
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{
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try {
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return getMovie().getTime();
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} catch (StdQTException stqte) {
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stqte.printStackTrace();
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return -1;
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}
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}
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public int getEndTime()
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{
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try {
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return getMovie().getDuration();
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} catch (StdQTException stqte) {
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stqte.printStackTrace();
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return -1;
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}
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}
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//helper methods - QT4J
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/*
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public void startupQTSession()
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{
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//Initialize a QT session and add a test image
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//These three try/catch blocks come from PlayMovie.java copyright
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// Apple Co. I'm using it to test that QT and QT4Java exist
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try
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{
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if (QTSession.isInitialized() == false)
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QTSession.open();
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}
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catch (NoClassDefFoundError er)
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{
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add (new Label ("Can't Find QTJava classes"), "North");
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add (new Label ("Check install and try again"), "South");
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}
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catch (SecurityException se)
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{
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// this is thrown by MRJ trying to find QTSession class
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add (new Label ("Can't Find QTJava classes"), "North");
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add (new Label ("Check install and try again"), "South");
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}
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catch (Exception e)
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{
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// do a dynamic test for QTException
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//so the QTException class is not loaded unless
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// an unknown exception is thrown by the runtime
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if (e instanceof ClassNotFoundException || e instanceof java.io.FileNotFoundException)
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{
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add (new Label ("Can't Find QTJava classes"), "North");
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add (new Label ("Check install and try again"), "South");
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}
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else if (e instanceof QTException)
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{
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add (new Label ("Problem with QuickTime install"), "North");
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if (((QTException)e).errorCode() == -2093)
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add (new Label ("QuickTime must be installed"), "South");
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else
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add (new Label (e.getMessage()), "South");
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}
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}
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try
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{
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setCanvas( new QTCanvas(QTCanvas.kInitialSize, 0.5F, 0.5F) );
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this.add( getCanvas() );
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getCanvas().setClient(ImageDrawer.getQTLogo(), true);
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}
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catch(QTException qte)
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{
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qte.printStackTrace();
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}
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}
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*/
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public void destroy()
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{
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QTSession.close();
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System.out.println("Clean up performed.");
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}
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//constructor
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public SmartQT4JPlayer(Container p) {
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super(new GridLayout());
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// startupQTSession();
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}
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public SmartQT4JPlayer(Container cont, URL mediaURL)
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{
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super( new GridLayout() );
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// startupQTSession();
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try {
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loadMovie(mediaURL);
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} catch (SmartMoviePanelException smpe) {
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smpe.printStackTrace();
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}
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}
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public SmartQT4JPlayer()
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{
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super( new GridLayout() );
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// startupQTSession();
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}
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// inner classes
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/**
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* This class extends the RateCallBack class and provides an execute routine
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* that is invoked by the callback when the rate of the movie changes
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*
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*@author travis
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*@created September 3, 2002
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*/
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public class TimeBaseRateCallBack extends RateCallBack
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{
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public TimeBaseRateCallBack(TimeBase tb, float rate, int flag) throws QTException
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{
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super(tb, rate, flag);
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}
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public void execute()
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{
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try
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{
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System.out.println("--- RateCallBack@ratechange---");
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cancel();
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//reschedule
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callMeWhen();
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} catch (StdQTException e)
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{}
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}
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}
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/**
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* This class implements a method that is called when the movie stops
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*
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*@author travis
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*@created September 3, 2002
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*/
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class TimeBaseExtremesCallBack extends quicktime.std.clocks.ExtremesCallBack
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{
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public TimeBaseExtremesCallBack(TimeBase tb, int flag) throws QTException
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{
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super(tb, flag);
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}
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public void execute()
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{
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try
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{
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System.out.println("--- ExtremesCallBack@stop---");
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//cancel
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cancel();
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//reschedule
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callMeWhen();
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}
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catch (StdQTException e)
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{}
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}
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}
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/**
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* This class extends the TimeJumpCallBack class to provide a method that is
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* called when the timebase of the movie changes (IE, if the user clicks in
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* the movie controller)
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*
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*@author travis
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*@created September 3, 2002
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*/
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class TimeBaseTimeJumpCallBack extends quicktime.std.clocks.TimeJumpCallBack
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{
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public TimeBaseTimeJumpCallBack(TimeBase tb) throws QTException
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{
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super(tb);
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}
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public void execute()
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{
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try
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{
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System.out.println("--- TimeJumpCallBack---");
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cancel();
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//reschedule
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callMeWhen();
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}
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catch (StdQTException e)
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{}
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}
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}
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class TimeBaseTimeCallBack extends quicktime.std.clocks.TimeCallBack
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{
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private int callTime;
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private TimeBase theTimeBase;
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public void setCallTime(int time)
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{
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callTime=time;
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value=callTime;
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}
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public int getCallTime()
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{
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return callTime;
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}
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public void execute()
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{
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try
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{
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System.out.println("--- TimeCallBack@triggerTimeEither--- called at:" + timeWhenCalledMsecs + "msecs");
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cancel();
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//reschedule
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callMeWhen();
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}
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catch (StdQTException e)
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{}
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}
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public TimeBaseTimeCallBack(TimeBase tb, int scale, int value, int flags) throws QTException
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{
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super(tb, scale, value, flags);
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// setCallTime(value/1000);
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setCallTime(value);
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theTimeBase = tb;
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}
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}
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class TimeBaseTimeCallBackStopper extends TimeBaseTimeCallBack
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{
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public void execute()
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{
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try
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{
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System.out.println("---TimeCallBackStopper--- called at:" + timeWhenCalledMsecs + "msecs");
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System.out.println("---TimeCallBackStopper--- callTime is: " + getCallTime() + " msecs");
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cmd_stop();
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System.out.println("---TimeCallBackStopper--- Player time is: " + getPlayer().getTime() + " msecs");
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System.out.println("---TimeCallBackStopper--- Movie time is: " + getMovie().getTime() + " msecs");
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cancelAndCleanup();
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//reschedule
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//callMeWhen();
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}
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catch (StdQTException e) {}
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catch (SmartMoviePanelException smpe) {}
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}
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public TimeBaseTimeCallBackStopper(TimeBase tb, int scale, int value, int flags) throws QTException
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{
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super(tb, scale, value, flags);
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}
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}
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public class Tickler implements Ticklish
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{
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public void timeChanged(int newTime) throws QTException
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{
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System.out.println("* * * * Timer Class * * * timeChanged at:" + newTime);
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}
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public boolean tickle(float er, int time) throws QTException
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{
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System.out.println("* * * * Timer Class * * * tickle at:" + time);
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return true;
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}
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}
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}
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