Jmf streaming from ip camera using rtsp

hello everybody
i'm trying to create a player that reads rtsp video from an ip camera using jmf , and i'm facing problems doing this.
- Using a processor i have this erreor:
Received event javax.media.TransitionEvent[source=com.sun.media.processor.rtsp.Handler@f47396,previous=Unrealized,current=Configuring,target=Configured]
Exception in thread "JMF thread: com.sun.media.processor.rtsp.Handler@f47396[ com.sun.media.processor.rtsp.Handler@f47396 ] ( configureThread)" java.lang.NullPointerException
     at com.sun.media.processor.rtsp.Handler.closeSessions(Handler.java:266)
     at com.sun.media.processor.rtsp.Handler.doFailedConfigure(Handler.java:259)
     at com.sun.media.ConfigureWorkThread.failed(BasicController.java:1382)
     at com.sun.media.StateTransitionWorkThread.run(BasicController.java:1346)
- And Using a Player without medialocator:
javax.media.ResourceUnavailableEvent[source=com.sun.media.content.rtsp.Handler@1a116c9,message=Failed to realize: Message from RTSP Server - Not found]
- And Using a Player with medialocator:
Received event javax.media.TransitionEvent[source=com.sun.media.content.rtsp.Handler@1e2ca7,previous=Unrealized,current=Realizing,target=Started]
bandwidth info: AS:0
bandwidth info: AS:13
Exception in thread "JMF thread: com.sun.media.content.rtsp.Handler@1e2ca7[ com.sun.media.content.rtsp.Handler@1e2ca7 ] ( realizeThread)" java.lang.NumberFormatException: empty String
     at sun.misc.FloatingDecimal.readJavaFormatString(Unknown Source)
     at java.lang.Double.valueOf(Unknown Source)
     at java.lang.Double.<init>(Unknown Source)
     at com.sun.media.content.rtsp.RtspUtil.setDuration(RtspUtil.java:521)
     at com.sun.media.content.rtsp.RtspUtil.rtspSetup(RtspUtil.java:168)
     at com.sun.media.content.rtsp.Handler.initRtspSession(Handler.java:117)
     at com.sun.media.content.rtsp.Handler.doRealize(Handler.java:84)
     at com.sun.media.RealizeWorkThread.process(BasicController.java:1400)
     at com.sun.media.StateTransitionWorkThread.run(BasicController.java:1339)
Please help,
Edited by: 865261 on 11 juin 2011 10:15

865261 wrote:
but for rtsp i really have no idea how to do it. so please if you have a link or a first step to do it.I don't have any clue how you'd go about doing that. I'd recommend you read my response on the other thread before you worry about it, and I'd also recommend not posting 2 threads about the same issue in the future.

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