/**
* Appends a frame to the current video.
*
* @param image the image to append
* @return true if image successfully appended
*/
protected boolean append(Image image) {
BufferedImage bi;
if (image instanceof BufferedImage) {
bi = (BufferedImage) image;
} else {
bi = new BufferedImage(dim.width, dim.height, BufferedImage.TYPE_INT_RGB);
Graphics2D g = bi.createGraphics();
g.drawImage(image, 0, 0, null);
}
ByteArrayOutputStream out = new ByteArrayOutputStream();
try {
if (!editing) {
videoMedia.beginEdits();
editing = true;
}
ImageIO.write(bi, "png", out); // $NON-NLS-1$
QTHandle handle = new QTHandle(out.toByteArray());
DataRef dataRef = new DataRef(handle, kDataRefFileExtensionTag, "png"); // $NON-NLS-1$
GraphicsImporter importer = new GraphicsImporter(dataRef);
ImageDescription description = importer.getImageDescription();
int duration = (int) (frameDuration * 0.6);
videoMedia.addSample(
handle,
0, // data offset
handle.getSize(),
duration,
description,
1, // number of samples
0); // key frame??
} catch (Exception ex) {
ex.printStackTrace();
return false;
}
return true;
}
/** 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();
}
}
/**
* 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 compressAndAdd() {
try {
if (temporalSupported) {
CompressedFrameInfo cfInfo =
seq.compressFrame(gw, bounds, StdQTConstants.codecFlagUpdatePrevious, compressedImage);
boolean syncSample =
cfInfo.getSimilarity() == 0; // see developer.apple.com/qa/qtmcc/qtmcc20.html
videoMedia.addSample(
imageHandle,
0,
cfInfo.getDataSize(),
TIME_SCALE / rate,
imgDesc,
1,
syncSample ? 0 : StdQTConstants.mediaSampleNotSync);
} else {
imgDesc =
QTImage.fCompress(
gw,
gw.getBounds(),
32,
codecQuality,
codecType,
CodecComponent.anyCodec,
null,
0,
RawEncodedImage.fromQTHandle(imageHandle));
boolean syncSample = true; // UM, what the hell should this be???
videoMedia.addSample(
imageHandle,
0,
imgDesc.getDataSize(),
TIME_SCALE / rate,
imgDesc,
1,
syncSample ? 0 : StdQTConstants.mediaSampleNotSync);
}
} catch (QTException e) {
e.printStackTrace();
}
}
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();
}
}
}