[webkit-changes] [WebKit/WebKit] ddfc6c: [GStreamer][MediaStream] Stream collection fixes

[Philippe Normand]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: ddfc6ce0fa86827863d420bf7b603dd710f71e3b
      https://github.com/WebKit/WebKit/commit/ddfc6ce0fa86827863d420bf7b603dd710f71e3b
  Author: Philippe Normand <philn at igalia.com>
  Date:   2024-05-31 (Fri, 31 May 2024)

  Changed paths:
    M Source/WebCore/platform/mediarecorder/MediaRecorderPrivateGStreamer.cpp
    M Source/WebCore/platform/mediastream/gstreamer/GStreamerMediaStreamSource.cpp
    M Source/WebCore/platform/mediastream/gstreamer/GStreamerMediaStreamSource.h
    M Source/WebCore/platform/mediastream/gstreamer/RealtimeOutgoingMediaSourceGStreamer.cpp

  Log Message:
  -----------
  [GStreamer][MediaStream] Stream collection fixes
https://bugs.webkit.org/show_bug.cgi?id=274825

Reviewed by Xabier Rodriguez-Calvar.

Our MediaStream source element answers to GST_QUERY_SELECTABLE queries but until this patch it
wasn't sending collection events on its pad(s). It still worked by luck in GStreamer versions older
than 1.25/1.26, decodebin3 would still create a parsebin internally.

* Source/WebCore/platform/mediastream/gstreamer/GStreamerMediaStreamSource.cpp:
(webkitMediaStreamSrcEnsureStreamCollection):
(webkitMediaStreamSrcPostStreamCollection):
(webkitMediaStreamSrcAddPad):
(webkitMediaStreamSrcPadProbeCb):
(webkitMediaStreamSrcAddTrack):
(ProbeData::ProbeData): Deleted.

Canonical link: https://commits.webkit.org/279570@main



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