/**
* 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;
}
/**
* 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()); // $NON-NLS-1$
}
}