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<pre class="sourcecodebox">/*
File: ImportExport.java
Abstract: Programmatically exports a movie with user-customized settings.
Version: 1.2
© Copyright 2006 Apple Computer, Inc. All rights reserved.
IMPORTANT: This Apple software is supplied to
you by Apple Computer, Inc. ("Apple") in
consideration of your agreement to the following
terms, and your use, installation, modification
or redistribution of this Apple software
constitutes acceptance of these terms. If you do
not agree with these terms, please do not use,
install, modify or redistribute this Apple
software.
In consideration of your agreement to abide by
the following terms, and subject to these terms,
Apple grants you a personal, non-exclusive
license, under Apple's copyrights in this
original Apple software (the "Apple Software"),
to use, reproduce, modify and redistribute the
Apple Software, with or without modifications, in
source and/or binary forms; provided that if you
redistribute the Apple Software in its entirety
and without modifications, you must retain this
notice and the following text and disclaimers in
all such redistributions of the Apple Software.
Neither the name, trademarks, service marks or
logos of Apple Computer, Inc. may be used to
endorse or promote products derived from the
Apple Software without specific prior written
permission from Apple. Except as expressly
stated in this notice, no other rights or
licenses, express or implied, are granted by
Apple herein, including but not limited to any
patent rights that may be infringed by your
derivative works or by other works in which the
Apple Software may be incorporated.
The Apple Software is provided by Apple on an "AS
IS" basis. APPLE MAKES NO WARRANTIES, EXPRESS OR
IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED
WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY
AND FITNESS FOR A PARTICULAR PURPOSE, REGARDING
THE APPLE SOFTWARE OR ITS USE AND OPERATION ALONE
OR IN COMBINATION WITH YOUR PRODUCTS.
IN NO EVENT SHALL APPLE BE LIABLE FOR ANY
SPECIAL, INDIRECT, INCIDENTAL OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO,
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) ARISING IN ANY WAY OUT OF THE USE,
REPRODUCTION, MODIFICATION AND/OR DISTRIBUTION OF
THE APPLE SOFTWARE, HOWEVER CAUSED AND WHETHER
UNDER THEORY OF CONTRACT, TORT (INCLUDING
NEGLIGENCE), STRICT LIABILITY OR OTHERWISE, EVEN
IF APPLE HAS BEEN ADVISED OF THE POSSIBILITY OF
SUCH DAMAGE.
*/
import java.awt.*;
import java.awt.event.*;
import java.applet.*;
import java.io.IOException;
import quicktime.*;
import quicktime.io.*;
import quicktime.qd.*;
import quicktime.std.*;
import quicktime.std.clocks.*;
import quicktime.std.StdQTConstants;
import quicktime.std.image.*;
import quicktime.std.movies.*;
import quicktime.std.movies.media.*;
import quicktime.std.qtcomponents.*;
import quicktime.util.*;
import quicktime.app.view.*;
public class ImportExport extends Frame implements StdQTConstants, IOConstants, Errors {
public static void main (String args[]) {
try {
QTSession.open();
ImportExport ie = new ImportExport("Import Export");
ie.pack();
ie.show();
ie.toFront();
} catch (Exception e) {
e.printStackTrace();
QTSession.close();
}
}
ImportExport (String title) throws Exception {
super (title);
Button importBtn = new Button ("Import Media");
importBtn.addActionListener (new ActionListener () {
public void actionPerformed (ActionEvent ae) {
importMedia();
}
});
add (importBtn, "North");
Button refMovieButton = new Button ("Reference Movie");
refMovieButton.addActionListener (new ActionListener () {
public void actionPerformed (ActionEvent ae) {
makeReferenceMovie();
}
});
add (refMovieButton, "Center");
Button exportButton = new Button ("Export Movie");
exportButton.addActionListener (new ActionListener () {
public void actionPerformed (ActionEvent ae) {
exportMovie();
}
});
add (exportButton, "South");
addWindowListener(new WindowAdapter () {
public void windowClosing (WindowEvent e) {
QTSession.close();
dispose();
}
public void windowClosed (WindowEvent e) {
System.exit(0);
}
});
}
QTComponent component;
void importMedia () {
QTFile importFile = null;
try {
FileDialog importFileDialog = new FileDialog (this, "Choose Movie to Import...", FileDialog.LOAD);
importFileDialog.show();
if (importFileDialog.getFile() == null)
return;
importFile = new QTFile (importFileDialog.getDirectory() + importFileDialog.getFile());
// Import ANY media into QuickTime
// Media files are first opened by QuickTime using OpenMovieFile.asRead. A new Movie is created
// using Movie.fromFile which imports the media from the file. A MovieController
// is then created using the Movie, and a new QTComponent is created using QTFactory.makeQTComponent.
// The returned QTComponent can be added to a Java AWT frame.
if (component != null) {
component.setMovieController(new MovieController(Movie.fromFile (OpenMovieFile.asRead (importFile))));
}else {
displayMovie(Movie.fromFile (OpenMovieFile.asRead (importFile)));
}
//resizes the frame to the size of the new QTCanvas and buttons.
// the QTCanvas' size will be the size of the media
pack();
} catch (QTException err) {
if (err.errorCode() == userCanceledErr) return;
err.printStackTrace();
}
}
void displayMovie (Movie m) throws QTException {
component = QTFactory.makeQTComponent (new MovieController (m));
add ((Component)component, "East");
pack();
show();
}
void makeReferenceMovie () {
try{
FileDialog openFileDialog = new FileDialog (this, "Choose Movie to Reference...", FileDialog.LOAD);
openFileDialog.show();
if (openFileDialog.getFile() == null)
return;
QTFile movieFile = new QTFile (openFileDialog.getDirectory() + openFileDialog.getFile());
FileDialog saveFileDialog = new FileDialog (this, "New Movie to create...", FileDialog.SAVE);
saveFileDialog.show();
if (saveFileDialog.getFile() == null) {
return;
}
makeReferenceMovie (movieFile, saveFileDialog.getDirectory() + saveFileDialog.getFile());
} catch (QTException err) {
if (err.errorCode() == userCanceledErr) return;
err.printStackTrace();
}
}
//makes a new movie that reference the data in an existing movie
void makeReferenceMovie (QTFile movieFile, String outputPath) throws QTException {
// Create the movie object from the original movie
Movie theMovie = Movie.fromFile (OpenMovieFile.asRead (movieFile));
if (component != null) {
component.setMovieController(new MovieController(theMovie));
} else {
displayMovie (theMovie);
}
QTFile outputMovie = new QTFile (outputPath);
boolean creatingReferenceMovie = true;
// this leaves data in existing movieFile
if (creatingReferenceMovie) {
//shortcut movies are movies that just contain a reference
//to another movie. They are only available in QT 4 or above
boolean createShortCutMovie = false;
if (createShortCutMovie && QTSession.getQTMajorVersion() > 3) {
//make a Data ref out of a URL that references the movie
DataRef targetDataRef = new DataRef ("file://" + movieFile.getPath());
//make the very small short cut movie
outputMovie.createShortcutMovieFile (kMoviePlayer, smSystemScript, createMovieFileDeleteCurFile, targetDataRef);
} else {
// this create's a "medium" cut movie - same principle as the shortcut movie
// it is a movie that gets its media data from another movie
// create the new movie file, deleting existing file if there
outputMovie.createMovieFile (kMoviePlayer, createMovieFileDeleteCurFile);
// add a reference to all of the media in the existing media file
// The outputMovie file now contains a reference and dependency on the existing media file
OpenMovieFile outStream = OpenMovieFile.asWrite (outputMovie);
theMovie.addResource (outStream, movieInDataForkResID, outputMovie.getName());
outStream.close();
}
} else {
// this will copy data to the new file
//if the application wanted to remove this dependency it could flatten the existing movie
// to the new movie file instead of the addResource calls that were made above
// the createMovieFile call would not be required in this case
int movieFlattenFlags = 0; //see docs to specify options here
theMovie.flatten (movieFlattenFlags,
outputMovie,
kMoviePlayer,
smSystemScript,
createMovieFileDeleteCurFile,
movieInDataForkResID,
outputMovie.getName());
}
}
void exportMovie () {
try{
FileDialog efd = new FileDialog (this, "Choose Movie to Export...", FileDialog.LOAD);
efd.show();
if (efd.getFile() == null)
return;
QTFile movieFile = new QTFile (efd.getDirectory() + efd.getFile());
exportMovie (movieFile);
} catch (QTException err) {
err.printStackTrace();
}
}
//export (to a movie) the incoming movie
//user dialog allows user to customise media formats and tracks that are exported
void exportMovie (QTFile movieFile) throws QTException {
// Create the movie object from the original movie
Movie theMovie = Movie.fromFile (OpenMovieFile.asRead (movieFile));
if (component != null) {
component.setMovieController(new MovieController(theMovie));
} else {
displayMovie (theMovie);
}
//we do this in a different thread because exporting can take some time
// and the event thread should not be blocked for so long
new Thread (new Runner (theMovie)).start();
}
static class Runner implements Runnable {
Runner (Movie mov) {
theInputMovie = mov;
}
Movie theInputMovie;
public void run () {
try {
//this determines both the exporter type, the resulting file type.
// thus one could specify this to be AIFF and the resulting file will be an AIFF file
// - in this case the result will be a movie.
int exportType = kQTFileTypeMovie;
//an application can alternatively configure exporter through setting
// up the exporter in code to conform to the format appropriate
boolean useMovieConvertFile = true;
if (useMovieConvertFile) {
//set the progress proc of the movie so that it gives the user feedback
theInputMovie.setProgressProc();
//do the export of the movie - all tracks as specified by user in dialog
// with the showUser... flag QT itself will display a dialog to the user
// to save the exported file. The Name of the file in that dialog is the name we specify
// in this case "Export Movie"
theInputMovie.convertToFile (new QTFile ("Export Movie"), exportType, kMoviePlayer, IOConstants.smSystemScript, showUserSettingsDialog);
} else {
FileDialog exportFileDialog = new FileDialog (new Frame(), "Export Movie to...", FileDialog.SAVE);
exportFileDialog.show();
if (exportFileDialog.getFile() == null)
return;
QTFile outFile = new QTFile (exportFileDialog.getDirectory() + exportFileDialog.getFile());
// Create a movie exporter so we can customise its settings
// this could also be used in the convertToFile version, but
// if we don't have custom settings then we allow the convertToFile
// to create the exporter for us - based on the exportType we pass to it.
MovieExporter theMovieExp = new MovieExporter (exportType);
// Set export settings from the user.
theMovieExp.doUserDialog (theInputMovie, null, 0, theInputMovie.getDuration());
//this returns a dupFNErr on windows and is also more work for the application
// create the output file but don't open it
outFile.createMovieFile (kMoviePlayer, createMovieFileDeleteCurFile);
//set a progress proc - we just print out to System.out
theMovieExp.setProgressProc (new MovieProgress () {
public int execute (Movie mov, int message, int whatOperation, float percentDone) {
System.out.println (mov + ",message=" + Integer.toHexString(message) + "," + ",what=" + Integer.toHexString(whatOperation) + ",%=" + percentDone);
return 0;
}
});
// do the export of the movie
theMovieExp.toFile (outFile, theInputMovie, null, 0, theInputMovie.getDuration());
}
} catch (QTException e) {
e.printStackTrace();
}
}
}
}</pre>
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