[Live-devel] RSTP a Live Stream to an AMINO A125

[Liam Carter]

Sorry for the error

the correct address is rtsp://xxx.xxx.xxx.xxx:xxxx/mpeg2TransportStreamTest

Regards

Liam

On 01/20/2012 03:35 PM, Liam Carter wrote:
> Good Afternoon.
>
> I have been given the task of getting LIVE555 to work with our current 
> system.
>
> You have communicated with my colleague Ben Wheway (See Below).
>
> I have read the email below and I am quite confused.
>
> Could I have a few more pointers please.
>
> We have managed to get a test.ts file to stream to an Amino A125 using 
> ./testOnDemandRTSPServer and the file is contained in the same directory.
>
> We point the amino (using a customer html page) to 
> http://xxx.xxx.xxx.xxx:xxxx/mpeg2TransportStreamTest
>
> I am stuck on the ingest. I have tried to find an example of the 
> "createNewStreamSource()" function so I can copy and re-write it. I 
> have however not found an example.
>
> Could you advise further please.
>
> Thanks for any help in advance.
>
> Many Regards
>
> Liam
>
> *From:*live-devel-bounces at ns.live555.com 
> [mailto:live-devel-bounces at ns.live555.com] *On Behalf Of *Ross Finlayson
> *Sent:* 16 December 2011 02:57
> *To:* LIVE555 Streaming Media - development & use
> *Subject:* Re: [Live-devel] Multicast to rtsp with Amino A125
>
>     We have many Amino A125 STB´s. The server we currently use to rtsp
>     to them is outdated and we need a new system to stream to them.
>     Your software appears to be able to do this but im struggling to
>     find guides to achieve this. Here is a background of what we have
>     as in streams etc:
>
>     We multicast from our encoders to our current streaming server.
>     This server then RTSP´s out to the Amino STB. The multicast input
>     stream is MPEG4/h264 TS UDP. We then RTSP over UDP unicast out to
>     the STB.
>
>     So we need to input UDP multicast to live555 server and then RTSP
>     UDP unicast to the Amino STB.
>
> Yes, you should be able do this fairly easily.  I suggest using the 
> "testOnDemandRTSPServer" demo application as a model; note, in 
> particular, the code for streaming Transport Stream data (lines 215 
> through 218 of "testProgs/testOnDemandRTSPServer.cpp").
>
> The one change that you'll need to make to this code is that rather 
> than adding a "MPEG2TransportFileServerMediaSubsession" to the 
> "ServerMediaSession" object, you'll be adding an object of a different 
> "OnDemandServerMediaSubsession" - one that you will write yourself. 
>  In fact, I suggest that you subclass 
> "MPEG2TransportFileServerMediaSubsession".  If you do that, then you 
> will need only to redefine the "createNewStreamSource()" virtual 
> function.  In your subclass's constructor, when it calls the parent 
> class ("MPEG2TransportFileServerMediaSubsession")'s constructor, you 
> should set the "fileName" and "indexFile" parameters to NULL, and set 
> "reuseFirstSource" to True.  (This tells the server to use the same 
> input source object, even if more than one client is streaming from 
> the server concurrently.)
>
> Your subclass's "createNewStreamSource()" virtual function can be 
> quite simple - basically just creating a "groupsock" for your IP 
> multicast address, and then creating a "BasicUDPSource" using that 
> "groupsock" object.  I suggest looking at the "testRelay" demo 
> application code for a hint about how to do this.
>
> (Because your input is Transport Stream data packed into UDP packets, 
> I don't think that you'll need a separate 'framer' object in front of 
> the "BasicUDPSource" object.  Instead, you'll probably be able to 
> transfer the contents of each incoming UDP multicast packet directly 
> into output UDP unicast packets.  The method that I've outlined above 
> should do that.)
>
> Ross Finlayson
> Live Networks, Inc.
> http://www.live555.com/ 
> <http://email.europa-network.com/wf/click?upn=YGGtx2l5w5fj7ARohIklPtxNO8bQPEXLndyYW6RQ1QM-3D_c7yYin3mKuhF3bD6rb8C8DbLVxBS56n0-2Bmjw86GE2Tz8Kc2CUakVXH3HS4P4fwBCFy-2F3oBiQ1QDPSfy8K9B8yqWNS9todRfEx4jL5GtZ4JvpeVBi1R9ykFDKC6Zgux0C4yOz1oUZ0Hb9Xv7l8UcX6Cwfu1-2BN73i5coM-2BWwyNSlY-3D> 
>
>
>
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