private void createCodec(VideoTrack vt) {
Format fmt = vt.videoFormat;
String enc = fmt.get(EncodingKey);
if (enc.equals(ENCODING_AVI_MJPG) //
|| enc.equals(ENCODING_QUICKTIME_JPEG) //
) {
vt.codec = new JPEGCodec();
} else if (enc.equals(ENCODING_AVI_PNG) //
|| enc.equals(ENCODING_QUICKTIME_PNG) //
) {
vt.codec = new PNGCodec();
}
vt.codec.setInputFormat(
fmt.prepend(
MediaTypeKey,
MediaType.VIDEO,
MimeTypeKey,
MIME_JAVA,
EncodingKey,
ENCODING_BUFFERED_IMAGE,
DataClassKey,
BufferedImage.class));
vt.codec.setOutputFormat(
fmt.prepend(MediaTypeKey, MediaType.VIDEO, EncodingKey, enc, DataClassKey, byte[].class));
// vt.codec.setQuality(vt.videoQuality);
}
private static void testWriting(File file, Format format) throws IOException {
System.out.println("Writing " + file);
// Make the format more specific
format =
format.prepend(
MediaTypeKey,
MediaType.VIDEO, //
FrameRateKey,
new Rational(30, 1), //
WidthKey,
320, //
HeightKey,
160);
// Create a buffered image for this format
BufferedImage img = createImage(format);
Graphics2D g = img.createGraphics();
g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
QuickTimeWriter out = null;
try {
// Create the writer
out = new QuickTimeWriter(file);
// Add a track to the writer
out.addTrack(format);
out.setVideoColorTable(0, img.getColorModel());
// initialize the animation
Random rnd = new Random(0); // use seed 0 to get reproducable output
g.setBackground(Color.WHITE);
g.clearRect(0, 0, img.getWidth(), img.getHeight());
for (int i = 0; i < 100; i++) {
// Create an animation frame
g.setColor(new Color(rnd.nextInt()));
g.fillOval(rnd.nextInt(img.getWidth() - 30), rnd.nextInt(img.getHeight() - 30), 30, 30);
// write it to the writer
out.write(0, img, 1);
}
} finally {
// Close the writer
if (out != null) {
out.close();
}
// Dispose the graphics object
g.dispose();
}
}
public int addTrack(Format format) throws IOException {
if (tracks.size() > 0) throw new UnsupportedOperationException("only 1 track supported");
Format derivedFormat =
format.prepend(
MediaTypeKey,
MediaType.VIDEO,
MimeTypeKey,
MIME_ANIM,
EncodingKey,
ENCODING_ANIM_OP5,
DataClassKey,
byte[].class, //
FixedFrameRateKey,
false);
setCAMG(toCAMG(derivedFormat));
Track tr = new Track();
tr.format = derivedFormat;
tracks.add(tr);
return tracks.size() - 1;
}
