[Webkit-unassigned] [Bug 210113] [EME][GStreamer] onencrypted should be dispatched iff readyState >= HAVE_METADATA

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=210113

--- Comment #1 from Charlie Turner <cturner at igalia.com> ---
Created attachment 395683

  --> https://bugs.webkit.org/attachment.cgi?id=395683&action=review

Event diagram showing race condition.

The append splits into two varied operations, one to append the audio, one the video. If onencrypted happens as (1), then the readyState can be closed before both updates have ended, breaking the test. If it happens as (2), the test passes. This is a classic race conditioning, most likely resulting from the onencrypted event being dispatched too soon.

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