Build GStreamer for Apple TV / Bitcode

Nicolas Dufresne nicolas at ndufresne.ca
Sun Feb 19 20:16:53 UTC 2017


Le dimanche 19 février 2017 à 09:46 -0800, jml5qh a écrit :
> Hi all,
> 
> Now that VideoToolbox / AVSampleBufferDisplayLayer is marked as
> available
> for tvOS starting in Xcode 8.3, I'd like to try and get GStreamer
> built with
> Bitcode enabled. I found this tweet from Sebastian:
> https://twitter.com/sdroege_/status/772728435303120896 referencing
> some
> software optimizations that could be hard to get around.
> 
> Does anyone have any suggestions on how to tackle this? Sebastian -
> would
> you be able to provide some information on the different
> optimizations and
> where you think the issues will appear?

Support for that need to be added in cerbero.

https://bugzilla.gnome.org/show_bug.cgi?id=770875

There is special C-Flags and assembly optimization is apparently not
allowed, so no ORC and recipes need to be update to disable bunch of
things. There will likely be more issues. I'd say, start small, and add
more recipes as you go.

> 
> Thanks!
> 
> 
> 
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