[x264-devel] [OSX] Re: x264 improvement

[Tim Greatrex]

I have had a quick go but no luck yet (as i said i am fairly new to  
all this!) Will try out davids tips later on. As for books, i just  
tend to look up stuff on tinternet. Apple pages seem fairly helpful  
as a start point.

BTW there's XCode 2.2.1 now (see apple developer site).

Tim
(Dual G4 PM / G4 ibook)


On 13 Mar 2006, at 23:06, Firas Al-Tahan wrote:

> 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.
>>>>>
>>>>> --
>>>>> This is the x264-devel mailing-list
>>>>> To unsubscribe, go to: http://developers.videolan.org/lists.html
>>>>>
>>>>
>>>> --
>>>> This is the x264-devel mailing-list
>>>> To unsubscribe, go to: http://developers.videolan.org/lists.html
>>>>
>>>>
>>>
>>> --
>>> This is the x264-devel mailing-list
>>> To unsubscribe, go to: http://developers.videolan.org/lists.html
>>>
>>
>> --
>> This is the x264-devel mailing-list
>> To unsubscribe, go to: http://developers.videolan.org/lists.html
>>
>>
>
> --
> This is the x264-devel mailing-list
> To unsubscribe, go to: http://developers.videolan.org/lists.html
>

-- 
This is the x264-devel mailing-list
To unsubscribe, go to: http://developers.videolan.org/lists.html