Question about Stream Player

[cmmx207]

Hi,guys:
Does any body know what cause the Player throw an exception called "Unable to realize".My test phone is Samsung S5620.I want to play a 3gp video using "rtsp protocol".Following is pieces of my code.
try{
if (player == null) {
player = Manager.createPlayer(url);
player.addPlayerListener(this);
}
if (player != null) {
player.realize();
player.prefetch();
Control[] controls = player.getControls();
for (int i = 0; i < controls.length; i++) {
if (controls[i] instanceof VideoControl) {
videoC = (VideoControl) controls[i];
videoC.initDisplayMode(VideoControl.USE_DIRECT_VIDEO,
Display.getInstance().getCanvasImpl());
videoC.setDisplayLocation(videoX, videoY);
videoC.setDisplaySize(videoW, videoH);
videoC.setVisible(false);
}
if (controls[i] instanceof VolumeControl) {
volumeC = (VolumeControl) controls[i];
volumeLevel = volumeC.getLevel();
if (volumeLevel == 0) {
volumeC.setLevel(60);
}
}
}

in_Player_State = PLAYER_STATE_DEVICE_PREPARE;
player.start();
setVisable(true);
in_Player_State = PLAYER_STATE_DEVICE_STARTED;
}catch(Exception e){
//Unable to realize -initial failed
}

[symbianyucca]

Hello, please do observe the different section in this Discussion board. Basically you have posted this under General discussions, and indeed you are having very specific technical question concerning Java development. Thus in the future, please do post your questions under correct technology as well as correct sub category under the selected technology.

Also do note that this is indeed Nokia developer discussion board, if your problems are concerning other manufacturers devices, please use their own discussion board for questions.

[cmmx207]

All right~I am sorry about that~

[wizard_hu_]

The thread is moved to the Java Media board now, the manufacturer concerns still apply.