[FFmpeg-devel] [PATCH] nasm support

Jason Garrett-Glaser darkshikari
Fri Sep 3 19:44:04 CEST 2010


On Fri, Sep 3, 2010 at 10:21 AM, M?ns Rullg?rd <mans at mansr.com> wrote:
> Reimar D?ffinger <Reimar.Doeffinger at gmx.de> writes:
>
>> Hello,
>> this allows compiling FFmpeg asm code with nasm.
>> Advantages:
>> 1) nasm support OS/2 OMF format
>> 2) there's a Cygwin package for nasm
>> Tested on 64 bit Linux, compiles and passes tests.
>> Obviously it would be a good idea for someone to test it
>> on 32 bit...
>
> What was the reason for only supporting yasm in the first place?

We used to support both in x264 as well, but eventually came across a
stupid bug in nasm and we used that as an excuse to drop it.  That bug
doesn't apply to any asm in ffmpeg that I know of, but I'm not 100%
sure (it was a compilation-time error though, so it'd be obvious if it
did).

Dark Shikari



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