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Old 05-08-2009, 12:23 PM   #1 (permalink)
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Default Streaming on Storm via RTSP

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Hi, I want to make a connection to an IP camera via RTSP and display it in a VideoControl with Storm.

The url works fine in the browser of the Storm.

I'm using JDE 4.7.0. Basically the code is:


connectionTest = (StreamConnection)Connector.open(_Url);

InputStream is = connectionTest.openInputStream();
player = javax.microedition.media.Manager.createPlayer(is, "video/mpeg");

player.realize();
videoControl = (VideoControl)player.getControl("VideoControl");

if (videoControl != null) {

_videoField = (Field) videoControl.initDisplayMode (VideoControl.USE_GUI_PRIMITIVE, "net.rim.device.api.ui.Field");
videoControl.setDisplayFullScreen(true);
videoControl.setVisible(true);

}

player.start();


The error is ERROR class java.lang.NullPointerException: null

Thanks
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Old 05-12-2009, 10:16 PM   #2 (permalink)
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Hi there
You can actually use the MediaPlayer

Code:
 try
                    {
                    player = Manager.createPlayer(url);
                    player.realize();
                    videoControl = (VideoControl)player.getControl("VideoControl");
                    //videoControl.initDisplayMode(VideoControl.USE_GUI_PRIMITIVE, "net.rim.device.api.ui.Field");
                    
                   
                    
                    
                    Field videoField = (Field)videoControl.initDisplayMode(VideoControl.USE_GUI_PRIMITIVE, "net.rim.device.api.ui.Field");
                    videoControl.setDisplaySize(XXX , XXX);
                    videoControl.setDisplayLocation(XXX, XXX);
                   
                    videoControl.setVisible(true);
                    
                   player.start();
                    
                    }
Or else you can use a BrowserSession and it will then invoke the Standard Media Player and play the RTSP stream...

I have to mention that you will have to make sure that your firewall is set up properly to allow the RTSP stream through, it took me a while to figure it out and the Blcakberry is a bit fussy about stream playback.
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