[Webkit-unassigned] [Bug 257803] Terrible video quality when using TransformStream with Simulcast

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Mon Oct 2 09:52:00 PDT 2023


https://bugs.webkit.org/show_bug.cgi?id=257803

--- Comment #7 from pminchev at digitalsamba.com ---
(In reply to youenn fablet from comment #6)
> Thanks for the ping.
> I had a try at https://demos.digitalsamba.com/safari_simulcast.html and was
> able to reproduce the bad quality.
> 
> Via web inspector, I set the transformers to null and it did not change the
> quality overall.
> I saw repeated packet loss though on sending and receiving side, I need to
> retry on a different network with ethernet probably.

Thanks for checking - you can compare to Firefox (quality there is good). For Firefox & Safari we use the same RTCRtpScriptTransform API, but under Safari receiving quality is bad.

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