P2P media streaming

Hello,
i am trying to implement a small demo P2P application which involved PC and mobile devices. I wanted to split a media into byte chunks and store them on different peer. If a peer wants to watch a file, it will need to fetch each chuck from different peers one after another.
What media format (audio and video) J2ME MMAPI supports? For example my nokia N80 supports mp4 and 3gp formats does the MMAPI supports those also?.
it seems that streaming with RTP/RTSP has been quite tricky if i believed other thread, would it be possible to just send byte to a mobile device and play each chunck separately?
Can i split any kind of media in byte chunck? Or is there some kind of formatting issues?
Any other advises which could help me would be welcome. I will post my streaming code when i get it to work.
thanks a lot
sebastien

Hello,
is there anybody who could give me some hints in my task?
Is media streaming not possible to a midlet then? If i believe other threads it seems so.
regards
sebastien

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Hi, papineaubill!
Welcome to The Canon Forums, and thank you for your inquiry!
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Feel free to discuss Canon products sold outside of the United States, but please be aware that you will not receive support directly from Canon USA.
Thanks for choosing Canon!

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Message was edited by: Hawaiian_Starman

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05/21/2010 07:27:31.552 VoiceStrm|   PITrace: *ERROR* [CRITIAL INFO]: platform install api isDeployedStandalone()= true|<CLID::StandAloneCluster><NID::10.0.1.13><LVL::Error><MASK::0002>
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05/21/2010 07:27:31.553 VoiceStrm|   PITrace: *ERROR* Important info only, Category[Cisco Tomcat]: productid_enable_flag=1, system_enable_flag=1|<CLID::StandAloneCluster><NID::10.0.1.13><LVL::Error><MASK::0002>
05/21/2010 07:27:31.553 VoiceStrm|   PITrace: *ERROR* Important info only, Category[DBMon]: productid_enable_flag=1, system_enable_flag=1|<CLID::StandAloneCluster><NID::10.0.1.13><LVL::Error><MASK::0002>
05/21/2010 07:27:31.553 VoiceStrm|   PITrace: *ERROR* Important info only, Category[CallManager]: productid_enable_flag=1, system_enable_flag=1|<CLID::StandAloneCluster><NID::10.0.1.13><LVL::Error><MASK::0002>
05/21/2010 07:27:31.553 VoiceStrm|   PITrace: *ERROR* Important info only, Category[CmiManager]: productid_enable_flag=1, system_enable_flag=1|<CLID::StandAloneCluster><NID::10.0.1.13><LVL::Error><MASK::0002>
05/21/2010 07:27:31.553 VoiceStrm|   PITrace: *ERROR* Important info only, Category[CtiManager]: productid_enable_flag=1, system_enable_flag=1|<CLID::StandAloneCluster><NID::10.0.1.13><LVL::Error><MASK::0002>
05/21/2010 07:27:31.553 VoiceStrm|   PITrace: *ERROR* Important info only, Category[Cisco TcdSrv]: productid_enable_flag=1, system_enable_flag=1|<CLID::StandAloneCluster><NID::10.0.1.13><LVL::Error><MASK::0002>
05/21/2010 07:27:31.553 VoiceStrm|   PITrace: *ERROR* Important info only, Category[Cisco TFTP]: productid_enable_flag=1, system_enable_flag=1|<CLID::StandAloneCluster><NID::10.0.1.13><LVL::Error><MASK::0002>
05/21/2010 07:27:31.553 VoiceStrm|   PITrace: *ERROR* Important info only, Category[CiscoAXLWebService]: productid_enable_flag=1, system_enable_flag=1|<CLID::StandAloneCluster><NID::10.0.1.13><LVL::Error><MASK::0002>
05/21/2010 07:27:31.553 VoiceStrm|   PITrace: *ERROR* Important info only, Category[Cisco Media Streaming App]: productid_enable_flag=1, system_enable_flag=1|<CLID::StandAloneCluster><NID::10.0.1.13><LVL::Error><MASK::0002>
05/21/2010 07:27:31.553 VoiceStrm|   PITrace: *ERROR* Important info only, Category[CiscoEM]: productid_enable_flag=1, system_enable_flag=1|<CLID::StandAloneCluster><NID::10.0.1.13><LVL::Error><MASK::0002>
05/21/2010 07:27:31.553 VoiceStrm|   PITrace: *ERROR* Important info only, Category[CiscoWebdialer]: productid_enable_flag=1, system_enable_flag=1|<CLID::StandAloneCluster><NID::10.0.1.13><LVL::Error><MASK::0002>
05/21/2010 07:27:31.553 VoiceStrm|   PITrace: *ERROR* Important info only, Category[CiscoIPMA]: productid_enable_flag=1, system_enable_flag=1|<CLID::StandAloneCluster><NID::10.0.1.13><LVL::Error><MASK::0002>
05/21/2010 07:27:31.553 VoiceStrm|   PITrace: *ERROR* Important info only, Category[RISSystemAccess]: productid_enable_flag=1, system_enable_flag=1|<CLID::StandAloneCluster><NID::10.0.1.13><LVL::Error><MASK::0002>
05/21/2010 07:27:31.554 VoiceStrm|   PITrace: *ERROR* [IMPORTANT INFO] AppCrashCheckBase::AppCrashCheckBase() the RW_Process_Mutex is :/dev/shm/Category_CiscoMediaStreamingApp_Mutex_crash_checker
|<CLID::StandAloneCluster><NID::10.0.1.13><LVL::Error><MASK::0002>
05/21/2010 07:27:31.554 VoiceStrm|   PITrace: *ERROR* [IMPORTANT INFO] AppCrashCheckBase::AppCrashCheckBase() acquire lock successed. : errno = 0; strerr = Success|<CLID::StandAloneCluster><NID::10.0.1.13><LVL::Error><MASK::0002>
05/21/2010 07:27:31.554 VoiceStrm|   PITrace: *ERROR* [IMPORTANT INFO]WriterSideCheck() open existing flag_check_mmf left from last run. : errno = 17; strerr = File exists|<CLID::StandAloneCluster><NID::10.0.1.13><LVL::Error><MASK::0002>
05/21/2010 07:27:31.554 VoiceStrm|   PITrace: *ERROR* [IMPORTANT INFO]ExAppCrashCheck::WriterSideCheck() create/open flag_check_mmf successed!!! : errno = 17; strerr = File exists|<CLID::StandAloneCluster><NID::10.0.1.13><LVL::Error><MASK::0002>
05/21/2010 07:27:31.555 VoiceStrm|   PITrace: *ERROR* {Debug infomation}: look from writer side, writer crashed last time : true|<CLID::StandAloneCluster><NID::10.0.1.13><LVL::Error><MASK::0002>
05/21/2010 07:27:31.555 VoiceStrm|   PITrace: *ERROR* CPICategory::loadXmlFile() Category: [Cisco Media Streaming App] xmlfile: [/usr/local/cm/conf/MediaAppPerfmon.xml] |<CLID::StandAloneCluster><NID::10.0.1.13><LVL::Error><MASK::0002>
05/21/2010 07:27:31.558 VoiceStrm|   PITrace: *ERROR* CPIClass::createMMF() MMF file : [/Category_CiscoMediaStreamingApp_PIClass_MEDIAAPP_GLOBAL_OBJECT_MDB] is started.(no error)|<CLID::StandAloneCluster><NID::10.0.1.13><LVL::Error><MASK::0002>
05/21/2010 07:27:31.562 VoiceStrm|   PITrace: *ERROR* ExObjectUpdateTracker::ExObjectUpdateTracker::_synchronizeMAP() m_nIndex :0 m_nRoundCount : 0 m_nTick: 0|<CLID::StandAloneCluster><NID::10.0.1.13><LVL::Error><MASK::0002>
05/21/2010 07:27:31.562 VoiceStrm|   PITrace: *ERROR* [SIGNIFICANT INFO]Category Name: Cisco Media Streaming App file: /usr/local/cm/conf/MediaAppPerfmon.xml enbled_flag: 1|<CLID::StandAloneCluster><NID::10.0.1.13><LVL::Error><MASK::0002>
05/21/2010 07:27:31.562 VoiceStrm|   PITrace: *ERROR* [SIGNIFICANT INFO]Add ITraceObj for Category Name: Cisco Media Streaming App, tid:8971l|<CLID::StandAloneCluster><NID::10.0.1.13><LVL::Error><MASK::0002>
05/21/2010 07:27:31.562 VoiceStrm|   PITrace: *ERROR* [SIGNIFICANT]::statsInit() enable_flag=1|<CLID::StandAloneCluster><NID::10.0.1.13><LVL::Error><MASK::0002>
05/21/2010 07:27:31.563 VoiceStrm|   CIpVMSMgr::Init *ERROR* Failed Open device driver.|<CLID::StandAloneCluster><NID::10.0.1.13><LVL::Error><MASK::0002>
05/21/2010 07:27:31.564 VoiceStrm|kIPVMSDeviceDriverNotFound - Cisco IP voice media streaming driver not found. App ID:Cisco IP Voice Media Streaming App Cluster ID:StandAloneCluster Node ID:cucmpub|<CLID::StandAloneCluster><NID::10.0.1.13><CT::Alarm><LVL::All><MASK::ffff>
05/21/2010 07:27:31.564 VoiceStrm|   CIpVMSMgr::MgrThreadProc *ERROR* Failure in Init, tell ipvmsd to quit|<CLID::StandAloneCluster><NID::10.0.1.13><LVL::Error><MASK::0002>

Rob,
I used those directions and found some other ones that worked better for me and it solved my issue! Here are the steps for the archives:
Download the CentOS 5.x CD
Restart the VM with that CD
At the "boot:" prompt type "linux rescue"
Then after it finishes booting up type "chroot /mnt/sysimage"
That will try to mount the CUCM file system to the root directory.
Then navigate to /lib/modules/cm_ipvms/ and identify directory xyz.i686
Create a new directory called xyz.athlon and copy all contents from xyz.i686 to the new directory xyz.athlon
Do the same for all directories ending .i686, so there is a .athlon equivalent for each i686 folder.
Restart CUCM vmware and boot normally
Then try to start the service.

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