swtching streams within webrtcbin

[Matthew Waters]

Hi!

Two options:

1. Send all the media all the time and switch client side.
2. Selectively send the required stream based on notifications from the
client.

The ideal choice depends on the bandwidth and switching latency
requirements you need with 1 using more bandwidth and switching is
~instantaneous. 2 uses less bandwidth but switching requires at least a
roundtrip through the signaling.

2 requires adding some extra signaling for notifying about stream
switches but that is relatively to easy add into the existing webrtc
signaling channel.  The current snag is that webrtcbin still has a very
much work-in-progress renegotiation handling which means that 1 is
really the easiest option at the moment.  I would very much like to get
2 working with webrtcbin though.

Cheers
-Matt

On 27/03/18 19:23, Alexander Yanin wrote:
> Hi! 
> I was glad to know that gstreamer now has its own webrtc implementation.
>
> My purpose is to use webrtcbin for live media streaming to multiple
> clients (browsers) without receiving any media from them. The streamed
> media consists of one video stream and several audio streams. My
> purpose is to have a possibility for a client to switch from one audio
> track to another. For simplicity, other clients will also receive the
> same selected audio track. 
>
> How this can be achieved? What is the most correct way to do that? 
>
> Cheers,
> Alex
>
>
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> gstreamer-devel at lists.freedesktop.org
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