Broadcast stream with SDP

[alb84]

Hi,
Sorry if this is not the right place to ask this, anyway I am not particurlarly fond in SDP and in broadcast streaming, so I am asking here to have some advice.
I have a closed source simulator producing a video stream that can be viewed by other third party applications like VLC.
The specification of the stream produced by the closed source simulator are in a SDP file like this

Code: Select all

a=tool:testMPEG4VideoStreamer a=type:broadcast c=IN IP4 236.1.1.2/127 m=video 7800 RTP/AVP 96 a=rtpmap:96 MP4V-ES/90000

If I open the SDP file with VLC on the same machine where the simulator is running, then I can see the video. Yet if I open the SDP file with VLC on another machine it does not work.
Is there a way to forward the stream on a local subnet? It would be better to act on network functions to broadcast the stream on the subnet, avoiding the use of a VLC instance as a dummy hub, because the stream produced by the simulator has some information with RTP and timestamp which must be used by other closed source applications and I am afraid that VLC is not able to forward the raw stream as it is.
I know this is more a network question rather than VLC question, but I hope you can help me or direct me to some other site that can explain me how I have to edit the SDP file and how do I have to act on the stream to broadcast it on a whole local subnet.

[Rémi Denis-Courmont]

This stream is multicast so it should work on the LAN out of the box. You need to fix your network or firewall configuration.