args = Gst.init("AppSrcTest", args);
final int width = 320, height = 200;
/* setup pipeline */
pipeline = new Pipeline("pipeline");
final AppSrc appsrc = (AppSrc) ElementFactory.make("appsrc", "source");
final Element srcfilter = ElementFactory.make("capsfilter", "srcfilter");
Caps fltcaps = new Caps("video/x-raw-rgb, framerate=2/1"
+ ", width=" + width + ", height=" + height
+ ", bpp=16, depth=16");
srcfilter.setCaps(fltcaps);
final Element videorate = ElementFactory.make("videorate", "videorate");
final Element ratefilter = ElementFactory.make("capsfilter", "RateFilter");
ratefilter.setCaps(Caps.fromString("video/x-raw-rgb, framerate=2/1"));
SwingUtilities.invokeLater(new Runnable() {
public void run() {
JFrame frame = new JFrame("FakeSrcTest");
VideoComponent panel = new VideoComponent();
panel.setPreferredSize(new Dimension(width, height));
frame.add(panel, BorderLayout.CENTER);
Element videosink = panel.getElement();
pipeline.addMany(appsrc, srcfilter, videorate, ratefilter, videosink);
Element.linkMany(appsrc, srcfilter, videorate, ratefilter, videosink);
appsrc.set("emit-signals", true);
appsrc.connect(new AppSrc.NEED_DATA() {
byte color = 0;
byte[] data = new byte[width * height * 2];
public void needData(AppSrc elem, int size) {
System.out.println("NEED_DATA: Element=" + elem.getNativeAddress()
+ " size=" + size);
Arrays.fill(data, color++);
Buffer buffer = new Buffer(data.length);
buffer.getByteBuffer().put(data);
appsrc.pushBuffer(buffer);
}
});
appsrc.connect(new AppSrc.ENOUGH_DATA() {
public void enoughData(AppSrc elem) {
System.out.println("NEED_DATA: Element=" + elem.getNativeAddress());
}
});
frame.setSize(640, 480);