[Webkit-unassigned] [Bug 279820] New: [GStreamer][MSE] Playbin3's "element-setup" isn't called for uridecodebin3

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=279820

            Bug ID: 279820
           Summary: [GStreamer][MSE] Playbin3's "element-setup" isn't
                    called for uridecodebin3
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Platform
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: cadubentzen at igalia.com

Since 1.22, playbin3 creates uridecodebin3 in its _init() function. This is before the "element-setup" signal can be configured.

Commit in GStreamer: https://gitlab.freedesktop.org/gstreamer/gstreamer/-/commit/6bffbe283ad6a662753fc8164fd8efd9d80d106e

Not getting the signal for uridecodebin3 means we don't set the "buffer-size" and we don't call the platform quirks for uridecodebin3 with gst >= 1.22.

Patch coming up soon.

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