java - JFrame acting strangely. Sporadically displays JLabel -

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its hard explain whipped out phone , video'd problem i'm having:

http://www.youtube.com/watch?v=kdoende8w2q

simply put, image (border @ bottom can see, implemented jlabel) should remain there @ times, instead appears 1 second, disappears , flashes sporadically. 

import java.awt.button; import java.awt.dimension; import java.awt.image.bufferedimage; import java.io.file; import java.io.ioexception;   import javax.imageio.imageio; import javax.swing.imageicon; import javax.swing.jframe; import javax.swing.jlabel;  import org.imgscalr.scalr;  import com.github.sarxos.webcam.webcam; import com.github.sarxos.webcam.webcampanel; import com.github.sarxos.webcam.webcamresolution;  public class webcampanelexample extends jframe {      static webcam webcam;     static jframe window;       public static void main(string[] args) throws ioexception {          window = new jframe("test webcam panel");          dimension[] nonstandardresolutions = new dimension[] {                 webcamresolution.hd720.getsize(),                 };          webcam = webcam.getdefault();         webcam.setcustomviewsizes(nonstandardresolutions);         webcam.setviewsize(webcamresolution.hd720.getsize());          webcampanel panel = new webcampanel(webcam);         panel.setfpslimited(false);          panel.setfillarea(true);          window.add(panel);          ////////////          bufferedimage image2 = imageio.read(new file("f:/data/images/image_area.png"));         jlabel guiborder = new jlabel(new imageicon( image2 ));         guiborder.setsize(new dimension(1280,720));         guiborder.setlocation(0, 0);         window.add( guiborder );          ///////////          button button = new button("do something");         button.setsize(new dimension(200,32));         button.setlocation(540, 670);         window.add(button);          ///////////          window.setcomponentzorder(button, 0);         window.setcomponentzorder(guiborder, 1);         window.setcomponentzorder(panel, 2);          ///////////         window.pack();         window.setdefaultcloseoperation(jframe.exit_on_close);         window.setlayout(null);         window.validate();         window.setsize(1280,720);         window.setresizable(false);         window.setvisible(true);      } }

in addition, if matters:

any ideas on potential causes of problem?

edit (by andrew thompson)

 import javax.swing.joptionpane;  import javax.swing.jfilechooser;  import javax.sound.sampled.*;  import java.net.url;  import java.io.bytearrayoutputstream;  import java.io.bytearrayinputstream;  import java.util.date;  import java.io.file;   class accelerateplayback {       public static void main(string[] args) throws exception {          int playbackspeed = 3;      file soundfile;          if (args.length>0) {              try {                  playbackspeed = integer.parseint(args[0]);              } catch (exception e) {                  e.printstacktrace();                  system.exit(1);              }          }          system.out.println("playback rate: " + playbackspeed);           jfilechooser chooser = new jfilechooser();          chooser.showopendialog(null);          soundfile = chooser.getselectedfile();           system.out.println("file: " + soundfile);          audioinputstream ais = audiosystem.getaudioinputstream(soundfile);          audioformat af = ais.getformat();           int framesize = af.getframesize();           bytearrayoutputstream baos = new bytearrayoutputstream();          byte[] b = new byte[2^16];          int read = 1;          while( read>-1 ) {              read = ais.read(b);              if (read>0) {                  baos.write(b, 0, read);              }          }          system.out.println("end entire: \t" + new date());          //this important bit           byte[] b1 = baos.tobytearray();          byte[] b2 = new byte[b1.length/playbackspeed];          (int ii=0; ii<b2.length/framesize; ii++) {              (int jj=0; jj<framesize; jj++) {                      int b3=0;                (int kk = 0; kk < playbackspeed; kk++){               b3 = b3+(int)b1[(ii*framesize*playbackspeed)+jj+kk];                }              b3 = b3/playbackspeed;              b2[(ii*framesize)+jj] = (byte)b3;              }          }         //ends here           system.out.println("end sub-sample: \t" + new date());           bytearrayinputstream bais = new bytearrayinputstream(b2);          audioinputstream aisaccelerated = new audioinputstream(bais, af, b2.length);          clip clip = audiosystem.getclip();          clip.open(aisaccelerated);          clip.loop(2*playbackspeed);          clip.start();           joptionpane.showmessagedialog(null, "exit?");      } }

swapped using jlayeredpane.

workflow essentially:

  1. create jframe
  2. create jlayeredpane
  3. add jlayeredpane jframe
  4. create jpanels (as needed, have three, 1 webcam background, , 2 foreground layers buttons etc)
  5. add jpanels jlayeredpane. set z-index/order add them.

complete example: http://www.roseindia.net/java/example/java/swing/jlayered-overlap-panel.shtml


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