[webkit-changes] [WebKit/WebKit] 72fe39: [GStreamer][WebRTC] Tighten EndPoint pipeline with...

[Philippe Normand]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 72fe39782f23fb1202e50c928b344351dc6cad7d
      https://github.com/WebKit/WebKit/commit/72fe39782f23fb1202e50c928b344351dc6cad7d
  Author: Philippe Normand <philn at igalia.com>
  Date:   2023-04-28 (Fri, 28 Apr 2023)

  Changed paths:
    M Source/WebCore/platform/graphics/gstreamer/MediaPlayerPrivateGStreamer.cpp
    M Source/WebCore/platform/graphics/gstreamer/MediaPlayerPrivateGStreamer.h
    M Source/WebCore/platform/mediastream/gstreamer/GStreamerMediaStreamSource.cpp
    M Source/WebCore/platform/mediastream/gstreamer/RealtimeIncomingSourceGStreamer.cpp
    M Source/WebCore/platform/mediastream/gstreamer/RealtimeIncomingSourceGStreamer.h

  Log Message:
  -----------
  [GStreamer][WebRTC] Tighten EndPoint pipeline with playback pipeline
https://bugs.webkit.org/show_bug.cgi?id=256041

Reviewed by Xabier Rodriguez-Calvar.

The RTP depayloaders and parsers are now wrapped by the RealtimeIncomingSourceGStreamer sub-classes,
using parsebin. The relationship between the incoming source appsink and the mediastreamsrc appsrc
elements is also stronger, latency is now properly propagated and queries are relayed. This all
helps improving lip-sync of incoming WebRTC tracks.

* Source/WebCore/platform/graphics/gstreamer/MediaPlayerPrivateGStreamer.cpp:
(WebCore::MediaPlayerPrivateGStreamer::configureElement):
(WebCore::MediaPlayerPrivateGStreamer::configureDepayloader): Deleted.
* Source/WebCore/platform/graphics/gstreamer/MediaPlayerPrivateGStreamer.h:
* Source/WebCore/platform/mediastream/gstreamer/GStreamerMediaStreamSource.cpp:
(webkitMediaStreamSrcAddTrack):
* Source/WebCore/platform/mediastream/gstreamer/RealtimeIncomingSourceGStreamer.cpp:
(WebCore::RealtimeIncomingSourceGStreamer::RealtimeIncomingSourceGStreamer):
(WebCore::RealtimeIncomingSourceGStreamer::registerClient):
(WebCore::RealtimeIncomingSourceGStreamer::unregisterClient):
(WebCore::RealtimeIncomingSourceGStreamer::handleUpstreamEvent):
(WebCore::RealtimeIncomingSourceGStreamer::handleUpstreamQuery):
* Source/WebCore/platform/mediastream/gstreamer/RealtimeIncomingSourceGStreamer.h:
(WebCore::RealtimeIncomingSourceGStreamer::bin):

Canonical link: https://commits.webkit.org/263499@main