[Webkit-unassigned] [Bug 231785] New: Peerconnection renegotiation taking too long for many senders

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=231785

            Bug ID: 231785
           Summary: Peerconnection renegotiation taking too long for many
                    senders
           Product: WebKit
           Version: Safari Technology Preview
          Hardware: Mac (Intel)
                OS: macOS 11
            Status: NEW
          Severity: Major
          Priority: P2
         Component: WebRTC
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: jaya.allamsetty at gmail.com
                CC: youennf at gmail.com

The peerconnection renegotiation timing has drastically increased in STP Release 133 (Safari 15.4, WebKit 16613.1.2.2) when compared to Safari 15.0 (16612.1.29.41.4, 16612).

Steps to reproduce
1. Go to https://webrtc.github.io/samples/src/content/peerconnection/negotiate-timing/.
2. Click on start->call->renegotiate with the number of video sections set to 100.
3. Compare the log that prints the time taken for negotiating from 1 to 100 video transceivers.

For Safari 15.0, it is around 633ms and on STP 133 it is 57040ms.

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