[Live-devel] ProxyServerMediaSession for Transcoding

[support]

Ross,

Thanks for your support. Proxy behind proxy really works. Appreciate if
this can be solved at your convenience.

Regards,
Support Team

On Sun, Oct 16, 2016 at 12:15 PM, Ross Finlayson <finlayson at live555.com>
wrote:

> > Based on your earlier post I was able to understand how to use filter
> for transcoding.and I'am able to transcode the video stream.
> >
> > However I have one problem in it. I cannot use 1 stream coming from the
> camera to be transcoded to multiple transcoded images.
>
> When you say “1 stream from the camera […] transcoded to multiple
> transcoded images” do you mean:
>         1) the ability for multiple 'front-end' clients to access the
> proxy stream concurrently, with each of these front-end clients getting an
> (identical) copy of the transcoded stream, or
>         2) allowing the proxy server to serve two (or more) different
> named streams that come from a single input ‘back-end’ stream, with each of
> the proxied streams being transcoded into a different codec and/or a
> different resolution?
>
> If you’re asking for 1), then this already happens automatically.  If
> multiple ‘front-end’ clients access the proxy server, then they will each
> automatically get a copy of the transcoded stream (yet the transcoding will
> be done only once).
>
> However, if you’re asking for 2), then this is not possible with the
> current proxy server.  What you *can* do, however, is have two (or more)
> separate “ProxyServerMediaSession” objects, each using the same ‘back-end’
> “rtsp://“ URL, but transcoded differently.  This will cause multiple copies
> of the ‘back-end’ stream to come from the camera to the proxy server.  (You
> could avoid this, however, by putting *another* proxy server between the
> proxy server and the ‘back-end’ camera stream.)
>
>
> Ross Finlayson
> Live Networks, Inc.
> http://www.live555.com/
>
>
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> live-devel at lists.live555.com
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>
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