Unified plan support in webrtcbin

[Matthew Waters]

Unified plan SDP's are mostly supported where the interface makes sense.

a=msid is currently a browser-specific thing and GStreamer doesn't 
really have a concept of grouping separate tracks per-se.  Maybe 
GstStream could be useful here for that but that would need to be 
investigated and implemented.

Unfortunately I'm not quite sure exactly how the browsers expect 
multiple streams of the same type to work SDP-wise.

Cheers
-Matt

On 17/10/20 1:35 pm, Faraz Khan wrote:
> Is unified plan sdp semantics supported? I'm trying to negotiate a 
> peer connection with 5 streams and though the sdp seems mostly correct 
> it's missing a=msid lines (which I could add myself maybe)
>
> If I try to receive this in chrome the peer connection.ontrack method 
> gets fired the correct number of times (as many video streams I add) 
> but they are all pointing to the first stream.
>
> Is there some way I can munge the sdp manually to make this work?
>
> Thanks!
>
>
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