[webkit-changes] [WebKit/WebKit] 1df6d7: [GStreamer][WebRTC] Google Congestion Control support

[Philippe Normand]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 1df6d757653191b711e2e1f507eebfd6f80deb91
      https://github.com/WebKit/WebKit/commit/1df6d757653191b711e2e1f507eebfd6f80deb91
  Author: Philippe Normand <philn at igalia.com>
  Date:   2022-12-15 (Thu, 15 Dec 2022)

  Changed paths:
    M Source/WebCore/Modules/mediastream/gstreamer/GStreamerMediaEndpoint.cpp
    M Source/WebCore/Modules/mediastream/gstreamer/GStreamerMediaEndpoint.h
    M Source/WebCore/platform/mediastream/gstreamer/GStreamerVideoEncoder.cpp
    M Source/WebCore/platform/mediastream/gstreamer/RealtimeOutgoingVideoSourceGStreamer.cpp

  Log Message:
  -----------
  [GStreamer][WebRTC] Google Congestion Control support
https://bugs.webkit.org/show_bug.cgi?id=249074

Reviewed by Xabier Rodriguez-Calvar.

Adapt the video encoder bitrate based on the estimated bitrate reported by the GCC bandwidth
estimator.

* Source/WebCore/Modules/mediastream/gstreamer/GStreamerMediaEndpoint.cpp:
(WebCore::GStreamerMediaEndpoint::initializePipeline):
(WebCore::GStreamerMediaEndpoint::requestAuxiliarySender):
(WebCore::GStreamerMediaEndpoint::onEstimatedBitrateChange):
* Source/WebCore/Modules/mediastream/gstreamer/GStreamerMediaEndpoint.h:
* Source/WebCore/platform/mediastream/gstreamer/GStreamerVideoEncoder.cpp:
(setBitrateKbitPerSec):
(setBitrateBitPerSec):
(webrtcVideoEncoderConstructed):
* Source/WebCore/platform/mediastream/gstreamer/RealtimeOutgoingVideoSourceGStreamer.cpp:
(WebCore::RealtimeOutgoingVideoSourceGStreamer::setPayloadType):

Canonical link: https://commits.webkit.org/257936@main