Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 376821219197a063e788da5bcae1060049295f60
      
https://github.com/WebKit/WebKit/commit/376821219197a063e788da5bcae1060049295f60
  Author: Youenn Fablet <[email protected]>
  Date:   2026-03-09 (Mon, 09 Mar 2026)

  Changed paths:
    M 
LayoutTests/imported/w3c/web-platform-tests/webrtc/RTCRtpSender-getStats.https-expected.txt
    M Source/WebCore/Modules/mediastream/RTCPeerConnection.cpp
    M Source/WebCore/Modules/mediastream/RTCRtpReceiver.cpp
    M Source/WebCore/Modules/mediastream/RTCRtpReceiver.h
    M Source/WebCore/Modules/mediastream/RTCRtpSender.cpp
    M Source/WebCore/Modules/mediastream/RTCRtpSender.h
    M Source/WebCore/Modules/mediastream/RTCRtpTransceiver.cpp
    M Source/WebCore/Modules/mediastream/RTCRtpTransceiver.h
    M Source/WebCore/Modules/mediastream/RTCRtpTransform.cpp
    M Source/WebCore/Modules/mediastream/gstreamer/GStreamerMediaEndpoint.cpp
    M Source/WebCore/Modules/mediastream/gstreamer/GStreamerMediaEndpoint.h
    M 
Source/WebCore/Modules/mediastream/gstreamer/GStreamerPeerConnectionBackend.cpp
    M 
Source/WebCore/Modules/mediastream/gstreamer/GStreamerPeerConnectionBackend.h
    M 
Source/WebCore/Modules/mediastream/gstreamer/GStreamerRtpTransceiverBackend.cpp
    M 
Source/WebCore/Modules/mediastream/gstreamer/GStreamerRtpTransceiverBackend.h
    M Source/WebCore/Modules/mediastream/libwebrtc/LibWebRTCMediaEndpoint.cpp
    M Source/WebCore/Modules/mediastream/libwebrtc/LibWebRTCMediaEndpoint.h
    M 
Source/WebCore/Modules/mediastream/libwebrtc/LibWebRTCPeerConnectionBackend.cpp
    M 
Source/WebCore/Modules/mediastream/libwebrtc/LibWebRTCPeerConnectionBackend.h
    M 
Source/WebCore/Modules/mediastream/libwebrtc/LibWebRTCRtpTransceiverBackend.cpp
    M 
Source/WebCore/Modules/mediastream/libwebrtc/LibWebRTCRtpTransceiverBackend.h

  Log Message:
  -----------
  RTCRtpTransceiver and friends should have a non-null backend
rdar://171806516
https://bugs.webkit.org/show_bug.cgi?id=309253

Reviewed by Philippe Normand.

To simplify the handling of backends and wrappers, we no longer nullify 
transceiver/sender/receiver backends when stopping them.
Instead we use a boolean isStopped when needed.
This allows to mark the backend as const Ref/UniqueRef.
We can then remove some if checks.

We also remove some no longer needed members and methods in RTCRtpTransceiver 
as a drive-by fix.

getStats is now always passing the sender/receiver, even when they are stopped, 
which allows to fix one WPT test.

Canonical link: https://commits.webkit.org/308898@main



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