that is a good starting point, thanks.
We are using SIP.js, and actually our client is just a modified version of
What happens is that video stream sent from a Chrome user, when received on
Firefox, behave in an inconsistent way. Very rarely, they work. Most of the
times, we get either:
- No video at all
- A few frames at the start, then freeze
- Working video with very bad quality
My colleague is preparing a more thorough examination this morning.
On Tue, Mar 6, 2018 at 7:13 PM, Joshua Colp <jc...@digium.com> wrote:
> On Fri, Mar 2, 2018, at 12:59 PM, Luca Pradovera wrote:
> > Hello,
> > we are seeing some unexpected behavior when a SFU conference contains
> > a Chrome and a Firefox user. It looks like the SDP is not being generated
> > or translated correctly.
> > SDP Chrome - Chrome
> > https://gist.github.com/edolix/75850d5cef44beae01d6f5076d6722c3
> > SDP Chrome - Firefox
> > https://gist.github.com/edolix/9bdfaa007272d8be275b4f2940fa11d5
> > SDP Firefox - Firefox
> > https://gist.github.com/edolix/a5ee0db0d7e1620d3de5b72bc4e3475e
> > We have been trying to track down the source of this for a while. Any
> > pointers on where to start?
> I'd suggest using the latest release candidate of Asterisk. It includes a
> fix for Firefox that caused streams to not appear as expected.
> As for what's going on - you'll need to clarify further on what exactly
> "unexpected behavior" means. What is the scenario? What are you doing? What
> are you expecting to happen versus what happens? What are you using for
> At a high level, though, Asterisk doesn't translate the SDP - it generates
> independent SDP for everyone in the unified plan format. In the case of
> Chrome this has to be translated to/from plan B to work.
> about at all?
> Joshua Colp
> Digium, Inc. | Senior Software Developer
> 445 Jan Davis Drive NW - Huntsville, AL 35806 - US
> Check us out at: www.digium.com & www.asterisk.org
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