[FFmpeg-devel] Interested in applying SoC @ ffmpeg

Janez Urevc janez
Fri Mar 20 20:39:06 CET 2009

2009/3/20 M?ns Rullg?rd <mans at mansr.com>

> Robert Swain <robert.swain at gmail.com> writes:
> > On 20/3/09 17:16, Michael Niedermayer wrote:
> >> On Fri, Mar 20, 2009 at 05:51:36PM +0100, Janez Urevc wrote:
> >>>> I added your name, but note that a simple patch for pngdec.c that does
> the
> >>>> rgb48->rtb32 conversion is
> >>>> 1. unlikely to reach svn
> >>>> 2. not enough as a qualification task.
> >>>>
> >>>> I can't say anything about adding rgb48 support to libswscale, though.
> >>>
> >>> How much will this one take?
> >>
> >> rgb48 input shouldnt be too hard if you can make sense of the swscale
> >> code, parts of it are in need of a cleanup ...
> >
> > The swscale code is quite complex anyway, before considering that it is
> > rather difficult to read in many places because of macros giving
> > indirections. Or as M?ns put it, the code makes his eyes bleed.
> >
> > I just wanted to note that diving into this code won't be the easiest
> > thing but don't give up, persevere and one should get there. As Michael
> > says, submit your code early and persist with it and you'll get much
> > more out of it and learn much more about our standards and how we
> operate.
> IMO, before anyone touches libswscale again, it should be thoroughly
> cleaned up.  I will NOT do this because it is riddled with x86
> assembler which I don't understand, nor do I understand how it is
> supposed to work.  If someone does clean it up, chances are I'll add
> some ARM optimisations, but not before.

So is this apropriate qualification task or not? I can start to work on it
if you think it is ok to to do that or I can also take something else if it
is better so.


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