Player blocks when USB Headset disconnected during playback

Question

I am playing a Wav file in my application & using a USB Headset to listen to the playback.
I'm observing the following behavior while doing this:
Scenario-USB headset is connected when the application starts up.
a) Am able to hear the voice on the USB headset when I play the wav file. Also, I get the visual Control Panel component for the player and add it to my application UI.
Code Segment 1:
//create player
//start playback
//player.start();
Code Segment 2:
//In controllerUpdate(ControllerEvent ce)
//for RealizeCompleteEvent
if (event instanceof RealizeCompleteEvent) {
//get the Control Panel Component for player
Component comp = player.getControlPanelComponent()
//add the component to the UI
b) javax.media.StartEvent is fired when the playback begins.
c) I then disconnect the USB Headset while playback is in progress. The saddle on the Control Panel Component slider bar pauses at it's position as soon as the headset is disconnected. Also, when this happens, no event is fired.
d) At this stage, if I try to stop the player using a Stop button on my UI, my application hangs. The stop() method called on pressing the Stop button has the following code:
Code Segment 3:
//in stop()
//stop player, close it & deallocate resources
player.stop();
player.close();
player.deallocate();
In the above steps, no exception is ever thrown nor any event fired signalling the disconnection of the device in use(headset).
I need to detect the disconnection of my USB headset & prevent the player from blocking, so that I can stop the player & release the resources in a clean way.
Any suggestions in this regard would be appreciated.
Thanks!
~thebadgrover

Answer 1

Hi, did you resolve your problem? I have similar problem to detect when a capture device is disconnected.