[x264-devel] Re: Where can i get the newest pure c version of x264

[Marc Schulz]

ycigcom wrote:
> Hi experts!
>     Very Thank Your Help!
>     Could you tell me where can i get x264 codes which has pure C code for all parts?
>     Excuse me,I didn't find it in website ,Could you mail me a newest copy?
>
>     Thanks!
> Best regards
> lmh
>
> ----- Original Message ----- 
> From: "Mauricio Briceno" <mauricio.briceno at gmail.com>
> To: <x264-devel at videolan.org>
> Sent: Thursday, February 23, 2006 5:53 PM
> Subject: [x264-devel] Re: Has anybody could tell me the best steps to port x264 to ti's dsp?
>
>
>   
>> I successfully ported x264 to another 32bit platform some months ago.
>> What I did is:
>>
>> 1 - Get to run x264 without any assembly code at all as it was stated
>> before. Check the results doing a diff for example with an encoded
>> sample from a x86.
>> 2 - Use oprofile/gprof or whatever tool to check what you may optimize
>> in assembly. DON'T try to translate x86 assembly into your TI's
>> assembly, you'll probably have a harder time than taking the C algo
>> and rewriting it in TI assembly by yourself.
>> 3 - Test your assembly code again with diffs.
>>
>> At least it worked for me. Hope it helps.
>>
>> On 2/23/06, Tuukka Toivonen <tuukkat at ee.oulu.fi> wrote:
>>     
>>> On Thu, 23 Feb 2006, ycigcom wrote:
>>>
>>>       
>>>> I want to port a h.264＊s encoder to TI＊s dsp according to the codes of
>>>> x264.  But I really don＊t know how to do it and which is the best steps,
>>>> so I had a bad idea:
>>>>         
>>> Well, I would first recommend _not_ using any assembly. x264 has
>>> pure C code for all parts, and initially you should try to just get
>>> that to compile and run on TI's compilers and hardware.
>>> In principle, it should be simple, in practice, you need to be
>>> careful not overflow the stack or memory.
>>>
>>> After that works, you can do asm optimization, based on profiler data.
>>>
>>> --
>>> This is the x264-devel mailing-list
>>> To unsubscribe, go to: http://developers.videolan.org/lists.html
>>>
>>>
>>>       
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Get it off the svn.

# svn co svn://svn.videolan.org/x264/trunk x264


Marc

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