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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/1999/REC-html401-19991224/loose.dtd">
<html>
<head>
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<a href="http://developer.apple.com/">ADC Home</a> > <a href="../../referencelibrary/index.html">Reference Library</a> > <a href="../../samplecode/index.html">Sample Code</a> > <a href="../../samplecode/Java/index.html">Java</a> > <a href="../../samplecode/Java/idxQuickTime-date.html">QuickTime</a> > <A HREF="javascript:location.replace('index.html');">TimeCode</A> >
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<td><h1><div id="pagehead">TimeCode</div></h1></td>
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<h2>/src/TimeCode.java</h2>
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<p><strong><a href="TimeCode.zip">Download Sample</a></strong> (“TimeCode.zip”, 30.4K)<BR>
<strong><a href="TimeCode.dmg">Download Sample</a></strong> (“TimeCode.dmg”, 88.0K)</p>
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<pre class="sourcecodebox">/*
File: TimeCode.java
Abstract: Demonstrates addition of a TimeCode to an existing QuickTime movie.
Version: 1.2
Disclaimer: 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.
Copyright © 2006 Apple Computer, Inc., All Rights Reserved
*/
import java.awt.*;
import java.awt.event.*;
import quicktime.*;
import quicktime.io.*;
import quicktime.qd.*;
import quicktime.std.*;
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 TimeCode extends Frame {
public static void main (String args[]) {
try {
QTSession.open ();
TimeCode tc = new TimeCode("QT in Java");
// this will lay out and resize the Frame to the size of the Movie
tc.pack();
tc.show();
tc.toFront();
} catch (QTException e) {
// catch a userCanceledErr and just exit the program
if (e.errorCode() != Errors.userCanceledErr)
e.printStackTrace();
else
System.out.println ("UserCanceled : Application needs media file to run. Quitting....");
QTSession.close();
System.exit(1);
}
}
TimeCode (String title) throws QTException {
super (title);
// prompt the user to select a movie file
qtf = QTFile.standardGetFilePreview(QTFile.kStandardQTFileTypes);
// open the selected file and make a Movie from it
OpenMovieFile movieFile = OpenMovieFile.asRead(qtf);
theMovie = Movie.fromFile (movieFile);
// make a MovieController from the resultant Movie
// enabling the keys so the user can interact with the movie with the keyboard
mc = new MovieController (theMovie);
mc.setKeysEnabled (true);
// make a QTComponent so that the MovieController has somewhere to draw
// and add it to the Frame
qtc = QTFactory.makeQTComponent(mc);
add ((Component) qtc);
// add a file menu to add/remove time code to the movie
new FileMenu (this);
// add a Window Listener to this frame
// that will close down the QTSession, dispose of the Frame
// which will close the window - where we exit
addWindowListener(new WindowAdapter () {
public void windowClosing (WindowEvent e) {
QTSession.close();
dispose();
}
public void windowClosed (WindowEvent e) {
System.exit(0);
}
});
}
MovieController mc;
Movie theMovie;
QTComponent qtc;
QTFile qtf;
public void goAway () {
QTSession.close();
dispose();
System.exit(0);
}
public void addTimecodeToMovie () {
try {
Track myTrack = theMovie.getIndTrackType (1, StdQTConstants.timeCodeMediaType,
StdQTConstants.movieTrackMediaType );
//only allow one time code track in movie
if (myTrack != null)
return;
// Get the (first) visual track; this track determines the width of the new timecode track
Track theVisualTrack = theMovie.getIndTrackType (1, StdQTConstants.visualMediaCharacteristic,
StdQTConstants.movieTrackCharacteristic );
QDDimension dim = null;
// Get movie and track attributes
int movieTimeScale = theMovie.getTimeScale();
// Create the timecode track and media
if (theVisualTrack == null) {
QDRect r = mc.getBounds();
dim = new QDDimension (r.getWidth(), r.getHeight());
} else {
Media theVisualTrackMedia = Media.fromTrack (theVisualTrack);
dim = theVisualTrack.getSize();
}
Track theTCTrack = theMovie.newTrack ((float)dim.getWidth(), (float)dim.getHeight(), 0);
TimeCodeMedia theTCMedia = new TimeCodeMedia (theTCTrack, movieTimeScale);
TimeCoder theTimeCoder = theTCMedia.getTimeCodeHandler();
// Set up a TimeCodeDef
TimeCodeDef myTCDef = new TimeCodeDef();
//30 frames a second time code reading
int tcdFlags = StdQTConstants.tc24HourMax;
myTCDef.setFlags (tcdFlags);
myTCDef.setTimeScale (3000);
myTCDef.setFrameDuration (100);
myTCDef.setFramesPerSecond (30);
/*
For drop frame 29.97 fps
tcdFlags |= StdQTConstants.tcDropFrame;
myTCDef.setTimeScale (2997);
*/
// Start the timecode at 0:0:0:0
TimeCodeTime myTCTime = new TimeCodeTime (0, 0, 0, 0);
// Change the text options to Green on Black.
String myTCString = theTimeCoder.timeCodeToString (myTCDef, myTCTime);
TCTextOptions myTCTextOptions = theTimeCoder.getDisplayOptions();
int textSize = myTCTextOptions.getTXSize();
myTCTextOptions.setForeColor (QDColor.green);
myTCTextOptions.setBackColor (QDColor.black);
theTimeCoder.setDisplayOptions (myTCTextOptions);
// Figure out the timecode track geometry
QDDimension tcDim = theTCTrack.getSize();
tcDim.setHeight( textSize + 2 );
theTCTrack.setSize (tcDim);
if (dim.getHeight() > 0) {
Matrix TCMatrix = theTCTrack.getMatrix();
TCMatrix.translate (0, dim.getHeight());
theTCTrack.setMatrix (TCMatrix);
}
// add a sample to the timecode track
//
// each sample in a timecode track provides timecode information for a span of movie time;
// here, we add a single sample that spans the entire movie duration
// the sample data contains a frame number that identifies one or more content frames
// that use the timecode; this value (a long integer) identifies the first frame that
// uses the timecode. For our purposes this will probably always be zero, but it can't
// hurt to go the full 9.
int frameNumber = theTimeCoder.toFrameNumber (myTCTime, myTCDef);
int[] frameNumberAr = { frameNumber };
QTHandle myFrameNumHandle = new QTHandle (4, false);
myFrameNumHandle.copyFromArray (0, frameNumberAr, 0, 1);
// create and configure a new timecode description
TimeCodeDescription myTCDescription = new TimeCodeDescription ();
myTCDescription.setTimeCodeDef (myTCDef);
// edit the track media
theTCMedia.beginEdits();
// since we created the track with the same timescale as the movie,
// we don't need to convert the duration
theTCMedia.addSample (myFrameNumHandle,
0,
myFrameNumHandle.getSize(),
theMovie.getDuration(),
myTCDescription,
1,
0);
theTCMedia.endEdits();
theTCTrack.insertMedia (0, 0, theMovie.getDuration(), 1.0F);
// this code saves the TimeCode to the movie
/*
OpenMovieFile outStream = OpenMovieFile.asWrite (qtf);
theMovie.addResource (outStream, movieInDataForkResID, qtf.getName());
outStream.close();
*/
// Make the timecode visible
int tcFlags = theTimeCoder.getFlags();
tcFlags |= StdQTConstants.tcdfShowTimeCode;
theTimeCoder.setFlags (tcFlags, StdQTConstants.tcdfShowTimeCode);
changedMovie ();
} catch (QTException err) {
err.printStackTrace();
}
}
public void deleteTimeCodeTracks () {
try {
Track myTrack = null;
do {
myTrack = theMovie.getIndTrackType (1, StdQTConstants.timeCodeMediaType,
StdQTConstants.movieTrackMediaType );
if (myTrack != null)
theMovie.removeTrack( myTrack );
} while (myTrack != null);
// if you previous saved the time code to the movie
// removing the time code track you also need to update the movie file
/*
OpenMovieFile outStream = OpenMovieFile.asWrite (qtf);
theMovie.addResource (outStream, movieInDataForkResID, qtf.getName());
outStream.close();
*/
changedMovie();
} catch (QTException err) {
err.printStackTrace();
}
}
private void changedMovie () throws QTException {
// tell the controller that we have changed the movie
mc.movieChanged();
repaint();
// this will resize the frame to the current (new) size of the movie
// the QTCanvas will be resized as a result of this call
pack();
}
}
</pre>
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<div style="margin-bottom: 8px"><a href="http://developer.apple.com/feedback/?v=1&url=/samplecode/TimeCode/listing3.html%3Fid%3DDTS10001002-2.0&media=dvd" target=_new>Yes</a>: Tell us what works for you.</div>
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