[Webkit-unassigned] [Bug 195489] New: [Safari 12.1 Beta] Adding a previously removed MediaStreamTrack does not change direction from "recvonly" to "sendrecv"

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=195489

            Bug ID: 195489
           Summary: [Safari 12.1 Beta] Adding a previously removed
                    MediaStreamTrack does not change direction from
                    "recvonly" to "sendrecv"
           Product: WebKit
           Version: Safari Technology Preview
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Blocker
          Priority: P2
         Component: WebRTC
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: mmalavalli at twilio.com
                CC: youennf at gmail.com

Steps to reproduce:

1. Open this JSFiddle: https://jsfiddle.net/9uk4a8b6/ in a new tab.
2. Observe the browser console.

Expected behavior:

The "video" m= section's direction should be "sendrecv".

Actual behavior:

The "video" m= section's direction is "recvonly".

Effect:

The remote RTCPeerConnection does not emit an RTCTrackEvent for the re-added MediaStreamTrack.

Note:

The same JSFiddle runs correctly in the current stable version of Chrome.

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