> On Feb 25, 2021, at 12:14 PM, Hinchcliffe, Mark
> <mark.hinchcli...@scientificgames.com> wrote:
>
> I can run the live555ProxyServer, which if I understand correctly is
> unicast/multicast receiver, and unicast streamer.
>
>
> I’m hoping I might get a few pointers regarding how to set up a proxy server
> which is a multicast streamer.
>
> I aim to receive a single live camera source via unicast, then stream this
> data back out via multicast.
If your live camera source is H.264 video-only (no audio), then the simplest
way to do what you’re asking is to modify the “testH264VideoStreamer” demo
application to read from ’stdin’ (rather than from a file), and then simply
pipe the video output from your RTSP client into (your modified)
“testH264VideoStreamer”.
Specifically:
- Edit line 34 of “testH264VideoStreamer.cpp”, changing "test.264” to
“stdin”. Re-make “testH264VideoStreamer”.
-Run
openRTSP -v URL | your-modified-testH264VideoStreamer
(replace URL with your back-end stream’s “rtsp://“ URL). Note that the
“-v” (lower-case “v”) option to “openRTSP” tells it to output video (only) to
’stdout’.
Alternatively, instead of “openRTSP”, you could use “testRTSPClient”, but
modified to call
FileSink::createNew(env, “stdout”)
instead of
DummySink::createNew(env, … );
and then pipe (your modified) “testRTSPClient” into (your modified)
“testH264VideoStreamer”, as above. (If you use “testRTSPClient” this way,
however, then you’ll only be able to access one back-end RTSP stream at a time.)
If, however, your stream is audio+video, then the possible solutions become
much more complicated.
Ross Finlayson
Live Networks, Inc.
http://www.live555.com/
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