public static void main(String args[]) {
try {
QTSession.open();
GroupDrawing frame = new GroupDrawing("QT in Java");
frame.pack();
frame.show();
frame.toFront();
} catch (Exception e) {
e.printStackTrace();
QTSession.close();
}
}
private void initSequenceGrabber() throws QTException {
if (sequenceGrabberInitialized) return;
QTSession.open();
sg = new SequenceGrabber();
vc = new SGVideoChannel(sg);
// cameraImageSize = new QDRect(320, 240);
if (overrideVideoFormat != null)
cameraImageSize = new QDRect(overrideVideoFormat.getWidth(), overrideVideoFormat.getHeight());
else {
cameraImageSize = vc.getSrcVideoBounds();
logger.info(
"Camera image size reported as: "
+ cameraImageSize.getWidth()
+ "x"
+ cameraImageSize.getHeight());
// this is a workaround found at
// http://rsb.info.nih.gov/ij/plugins/download/QuickTime_Capture.java
// and other places for the isight, which gives the wrong resolution.
// TODO: find a better way of identifying the isight.
Dimension screen = Toolkit.getDefaultToolkit().getScreenSize();
if (cameraImageSize.getHeight() > screen.height - 40) // iSight camera claims to 1600x1200!
{
logger.warning(
"Camera image size reported as: "
+ cameraImageSize.getWidth()
+ "x"
+ cameraImageSize.getHeight()
+ "; resizing to 640x480");
cameraImageSize.resize(640, 480);
}
}
// On PPC (big endian) we use: k32ARGBPixelFormat
// On Intel we use: k32ABGRPixelFormat
// fails on PPC with DepthErrInvalid: k32ABGRPixelFormat, k32BGRAPixelFormat, k32RGBAPixelFormat
gWorld =
new QDGraphics(
bigEndian ? QDConstants.k32ARGBPixelFormat : QDConstants.k32ABGRPixelFormat,
cameraImageSize); // set a specific pixel format so we can predictably convert to
// buffered image below.
sg.setGWorld(gWorld, null);
vc.setBounds(cameraImageSize);
vc.setUsage(quicktime.std.StdQTConstants.seqGrabRecord);
vc.setFrameRate(0);
myCodec = quicktime.std.StdQTConstants.kComponentVideoCodecType;
vc.setCompressorType(myCodec);
sequenceGrabberInitialized = true;
}
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());
}
}
/**
* Create a movie with the specified width, height, filename, frame rate, codec type and quality,
* and key frame rate.
*/
public MovieMaker(
PApplet p,
int _w,
int _h,
String _filename,
int _rate,
int _codecType,
int _codecQuality,
int _keyFrameRate) {
parent = p;
width = _w;
height = _h;
rate = _rate;
try {
QTSession.open();
} catch (QTException e1) {
e1.printStackTrace();
}
try {
ImageDescription imgD = null;
if (quicktime.util.EndianOrder.isNativeLittleEndian()) {
imgD = new ImageDescription(QDConstants.k32BGRAPixelFormat);
} else {
imgD = new ImageDescription(QDGraphics.kDefaultPixelFormat);
}
imgD.setWidth(width);
imgD.setHeight(height);
gw = new QDGraphics(imgD, 0);
} catch (QTException e) {
e.printStackTrace();
}
codecType = _codecType;
codecQuality = _codecQuality;
keyFrameRate = _keyFrameRate;
initMovie(_filename);
parent.registerDispose(this);
}
public void run() {
try {
QTSession.open();
while (!isClosing()) {
Thread.sleep(taskingDelay);
sg.idleMore();
sg.update(null);
}
} catch (InterruptedException ex) {
} catch (Exception ex) {
if (observer != null && !isClosing())
observer.onError(QTCaptureStream.this, new CaptureException(ex));
} finally {
QTSession.close();
setClosed();
}
}