[Libreoffice-bugs] [Bug 113622] Impress can't play MP4 videos

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=113622

--- Comment #22 from Jan-Marek Glogowski <glogow at fbihome.de> ---
My guess would be a4e81b7c313e5cb0e0f23a8605502b4b0b7f599e (Aug 4 2016).

Library_avmediaQuickTime is preferred over the Library_avmediaMacAVF.

Did we update the build bots to newer Apple SDKs around Jul 30 2017, or even a
newer OS?

I had a glance at the MacAVF plugin. All this AVPlayer based stuff is supposed
to be handled async. My guess is the caching is simply not yet ready, when we
try to take a screenshot for the preview image.

Actually I don't see any real handling of the async "playable" or other status.
Don't have really time to fix this, but a lot should be handled async, and
there is just a minimal observer, when playback stops - as I understand the
code.

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