[vlc-devel] [vlc-commits] contrib: qt 5.3.0

Rafaël Carré funman at videolan.org
Tue Jun 10 16:58:19 CEST 2014

On 06/10/14 10:53, Jean-Baptiste Kempf wrote:
> On 10 Jun, Rafaël Carré wrote :
>> vlc | branch: master | Rafaël Carré <funman at videolan.org> | Tue Jun 10 10:32:49 2014 -0400| [50c3fae8cf2de1de28632a7767f6cf6b44b762d1] | committer: Rafaël Carré
>> contrib: qt 5.3.0
> This enables SSE2 on Windows by default.
> If we disable it, as there is no autodetection anymore (why?), it will
> be slower than Qt5.2.1 on all processors.

Let's see if we can roll-back a handful patches, did anyone look at
qt.git history?

> If we enable it, it will break in older processors, including Athlon XP
> and some Pentium-M.

I think all Pentium-M support SSE2.

> Seeing that people complained when 2.1.0 broke those processors, and the
> bugreports we had, I think it is a bad idea to do this now.

Are we gonna use Qt5 without support for video embedded in the GUI anyway?

> I suggest we postpone this change for 3.0.0, once we have a good way for
> updates.

Please develop what you mean by "a good way for updates"

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