commit 8ebf04295c7df2693af50ff33232919ca01abef0
author Tommi <tommi@webrtc.org> Thu Nov 27 12:02:56 2025
committer WebRTC LUCI CQ <webrtc-scoped@luci-project-accounts.iam.gserviceaccount.com> Thu Nov 27 14:35:16 2025
tree 58c2779e5dbc599090c1c096b65f85968c46d1a8
parent 8e4a86ee692703ea5c75057a8a0d7df7aba3381f

Refactor DTLS transport ownership to RtpTransport.

Transfers ownership of the RTP and RTCP DTLS transports from
JsepTransport to the underlying RtpTransport (via DtlsSrtpTransport).
This aligns the ownership model, simplifies JsepTransport, and allows
JsepTransport to treat the API wrapper (scoped_refptr<DtlsTransport>) as
a pure dependency injected by the controller.

Key changes:
- RtpTransport/DtlsSrtpTransport now own the DtlsTransportInternal.
- Construction of the DtlsTransport object has been moved to
  JsepTransportController but JsepTransport continues to call the
  Clear() method when it goes out of scope to ensure alignment across
  objects that may (still) have raw pointers to the transports.
- JsepTransportController handles creation and injection of both the
  internal transport and the API wrapper. This makes construction steps
  a bit clearer and will help with getting closer to RAII.
- Avoid a potential case where enabling RTCP mux could cause
  SRTP resets.

Bug: webrtc:360058654
Change-Id: I18f9b4eb7109a53e9674ae5275ecf707ca7e41eb
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/428621
Commit-Queue: Tomas Gunnarsson <tommi@webrtc.org>
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#46336}