public void start() {
try { // if QT was not successfully initialized the QTComponent will be null
if (qtc != null) {
add((Component) qtc, "Center");
mov.setRate(1);
}
} catch (QTException e) {
e.printStackTrace();
}
}
/**
* Creates an empty movie to which frames can be added.
*
* @throws IOException
*/
private void createMovie() throws IOException {
try {
// create the scratch movie
movie =
Movie.createMovieFile(
new QTFile(scratchFile),
kMoviePlayer,
createMovieFileDeleteCurFile | createMovieFileDontCreateResFile);
// create the video track and media
int timeScale = 600;
int noVolume = 0;
videoTrack = movie.newTrack(dim.width, dim.height, noVolume);
videoMedia = new VideoMedia(videoTrack, timeScale);
editing = false;
} catch (QTException ex) {
throw new IOException("caught in createMovie: " + ex.toString()); // $NON-NLS-1$
}
}
/** Close out and finish the movie file. */
public void finish() {
try {
if (readyForFrames) {
// System.out.println("Finishing movie file.");
readyForFrames = false;
videoMedia.endEdits();
videoTrack.insertMedia(0, 0, videoMedia.getDuration(), 1);
OpenMovieFile omf = OpenMovieFile.asWrite(movFile);
movie.addResource(omf, StdQTConstants.movieInDataForkResID, movFile.getName());
}
} catch (StdQTException se) {
se.printStackTrace();
} catch (QTException qe) {
qe.printStackTrace();
}
}
public void init() {
try {
if (QTSession.isInitialized() == false) QTSession.open();
// set up a QTComponent which will disply its content
// at its original size of smaller and centered in the space given
// to the QTComponent when the applet is layed out
setLayout(new BorderLayout());
QTFile qtf = new QTFile(getCodeBase().getFile() + getParameter("file"));
OpenMovieFile fis = OpenMovieFile.asRead(qtf);
mov = Movie.fromFile(fis);
qtc = QTFactory.makeQTComponent(mov);
} catch (QTException qtE) {
throw new RuntimeException(qtE.getMessage());
}
}
/**
* Saves the video to the current scratchFile.
*
* @throws IOException
*/
protected void saveScratch() throws IOException {
if (movie != null && editing)
try {
// end edits and save the scratch
videoMedia.endEdits();
int trackStart = 0;
int mediaTime = 0;
int mediaRate = 1;
videoTrack.insertMedia(trackStart, mediaTime, videoMedia.getDuration(), mediaRate);
editing = false;
OpenMovieFile outStream = OpenMovieFile.asWrite(new QTFile(scratchFile));
movie.addResource(outStream, movieInDataForkResID, scratchFile.getName());
outStream.close();
movie = null;
OSPLog.finest(
"saved " + frameCount + " frames in " + scratchFile); // $NON-NLS-1$ //$NON-NLS-2$
} catch (QTException ex) {
throw new IOException("caught in saveScratch: " + ex.toString()); // $NON-NLS-1$
}
}
private void initMovie(String filename) {
try {
String path = parent.savePath(filename);
movFile = new QTFile(new File(path));
movie =
Movie.createMovieFile(
movFile, StdQTConstants.kMoviePlayer, StdQTConstants.createMovieFileDeleteCurFile);
int timeScale = TIME_SCALE; // 100 units per second
videoTrack = movie.addTrack(width, height, 0);
videoMedia = new VideoMedia(videoTrack, timeScale);
videoMedia.beginEdits();
bounds = new QDRect(0, 0, width, height);
int rawImageSize =
QTImage.getMaxCompressionSize(
gw,
bounds,
gw.getPixMap().getPixelSize(),
codecQuality,
codecType,
CodecComponent.anyCodec);
imageHandle = new QTHandle(rawImageSize, true);
imageHandle.lock();
compressedImage = RawEncodedImage.fromQTHandle(imageHandle);
seq =
new CSequence(
gw,
bounds,
gw.getPixMap().getPixelSize(),
codecType,
CodecComponent.bestFidelityCodec,
codecQuality,
codecQuality,
keyFrameRate,
null,
0);
imgDesc = seq.getDescription();
readyForFrames = true;
} catch (QTException e) {
if (e.errorCode() == Errors.noCodecErr) {
if (imageHandle == null) {
// This means QTImage.getMaxCompressionSize() failed
System.err.println(
"The specified codec is not supported, "
+ "please ensure that the parameters are valid, "
+ "and in the correct order.");
} else {
// If it's a -8961 error, quietly do it the other way
// (this happens when RAW is specified)
temporalSupported = false;
readyForFrames = true;
}
} else if (e.errorCode() == Errors.fBsyErr) {
System.err.println("The movie file already exists. " + "Please delete it first.");
} else {
e.printStackTrace();
}
}
}
// use a file input stream to make dragging faster as the movie is comletetly loaded into memory
// this is not required for any other reason
private static QTPlayer makePlayer(QTFile f) throws IOException, QTException {
QTDrawable d = QTFactory.makeDrawable(new FileInputStream(f), kDataRefFileExtensionTag, "mov");
Movie m = ((QTPlayer) d).getMovieController().getMovie();
m.getTimeBase().setFlags(loopTimeBase);
return (QTPlayer) d;
}