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

ycigcom lmh at ycig.com
Fri Feb 24 02:08:53 CET 2006


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.
>>
>> --
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>>
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