[vlc-devel] [PATCH 1/2] Adds Intel QuickSync Video Encoder

Jean-Baptiste Kempf jb at videolan.org
Thu May 16 17:04:14 CEST 2013


On 16 May, Rafaël Carré wrote :
> Le 16/05/2013 16:57, Jean-Baptiste Kempf a écrit :
> > On 16 May, Rafaël Carré wrote :
> >> Le 16/05/2013 16:40, Jean-Baptiste Kempf a écrit :
> >>> On 16 May, Rafaël Carré wrote :
> >>>> Le 16/05/2013 16:35, Jean-Baptiste Kempf a écrit :
> >>>>> On 16 May, Rafaël Carré wrote :
> >>>>>> Le 16/05/2013 14:06, Julien 'Lta' BALLET a écrit :
> >>>>>>> This second patch adds a simple i420 -> nv12 chroma filter, as
> >>>>>>> initally suggested by jb.
> >>>>>>
> >>>>>> Is it faster than swscale ?
> >>>>>
> >>>>> Now, no, because it is plain C. But it allows us to do SIMD, like we do for
> >>>>> i420->RGB, YUY2->I422 or NV12->RGB. So this is the first step.
> >>>>
> >>>> We should wait until it has a proper fast implementation before
> >>>> committing something slow IMO.
> >>>
> >>> Why? swscale has a higher priority, already.
> >>
> >> Because it's useless?
> > 
> > It won't be useless. And then why don't you remove all modules that have
> > a lower priority than another one?
> 
> Because they supposedly have some advantage, that one is just slow.

I would argue that not depending on swscale is an advantage though...
But ok.


-- 
Jean-Baptiste Kempf
http://www.jbkempf.com/ - +33 672 704 734
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