[x264-devel] Re: x264 improvement

[Firas Al-Tahan]

I'm certainly willing to try!

Tim - have you been able to get the x264 code into XCode 2.1? I
haven't had much experience with XCode, and the book I bought  ("The
Mac XCode 2 Book" by Michael Cohen & Dennis Cohen) is a pile of crap.

Having read the Apple pages, the Shark tool should help identify areas
needing optimization. Once I get XCode working with the x264 project,
il be happy.

Now, just to finish off the coursework and the exams first....

Firas

On 3/13/06, Tim Greatrex <tim.greatrex at mac.com> wrote:
> I'm guessing the issue may be that he has worked on this in his spare
> time, while he works for a company that develops a different codec
> which it then sells (so x264 is classed as the competition). I
> doesn't sound like there are any legal issues with the code he's
> developed, but maybe moral issues for his position within his day-job.
>
> As a mac user (who is very new to c and at the moment can't make head-
> nor-tail of the x264 code (though it works great!), let alone altivec
> optimisations) it would be great if you could make it available,
> especially with some good annotations describing what does what if
> possible, so that myself and people like Firas can learn from you.
>
>
> Tim Greatrex
>
> On 13 Mar 2006, at 18:20, Firas Al-Tahan wrote:
>
> > Hey,
> >
> > if it means anything David, I think all PPC owners working with x264
> > would really appreicate your efforts.
> >
> > I don't claim to have a full knowledge of the GPL - but as Benjamin
> > Larsson said - I can't see where there'd be a problem - especially if
> > it was coded on a home computer in your own free time.
> >
> > Thanks,
> >
> > Firas
> >
> > On 3/13/06, David Wolstencroft <lordrpi at gmail.com> wrote:
> >> I didn't look at the to field before sending, an incredibly bad
> >> mistake by me.
> >>
> >> This x264 build resides on my home computer only. I mainly fiddled
> >> around with the Altivec to get better with the technology and have
> >> been able to boost performance of the x264 builds on my home
> >> computer. Since then my duties have changed as I have become more
> >> involved with software engineering, so I'm afraid of it being looked
> >> at as competition.
> >>
> >> - David
> >>
> >>
> >> On Mar 13, 2006, at 5:03 AM, Benjamin Larsson wrote:
> >>
> >>> David Wolstencroft wrote:
> >>>
> >>>> Eric,
> >>>>
> >>>> I might have mentioned before that I have some faster altivec code
> >>>> for the G4/G5, yet I'm a bit nervous to incorporate it due to my
> >>>> employer. If you would like to add it "silently", that would be
> >>>> great.
> >>>>
> >>>> - David
> >>>
> >>> Well first if you were coding this under working hours then your
> >>> employer owns the code, which means that if this is added
> >>> silently the
> >>> code isn't really free just added without the knowledge of the
> >>> owner.
> >>> But then we have the GPL aspect, if the code is distributed to
> >>> someone,
> >>> they have a right to get the source under the GPL and they can
> >>> redistribute it as they see fit.  On the other hand if you did
> >>> this in
> >>> your freetime and just don't want you employer to know that you
> >>> contributed some code I guess it is up to the maintainer if your
> >>> contribution is accepted. I wouldn't object in such a case.
> >>>
> >>> MvH
> >>> Benjamin Larsson
> >>>
> >>> --
> >>> "incorrect information" is an oxymoron. Information is, by
> >>> definition, factual, correct.
> >>>
> >>> --
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> >>>
> >>
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> >>
> >
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