[Ffmpeg-devel] Re: Compilation poblem and fix on 2007-03-06 trunk =?windows-1252?q?(?=Tatu Kilappa)
Fri Mar 9 09:51:18 CET 2007
> "larry.sdk" <larry.sdk at gmail.com> writes:
> > As the MS VC do not support declaration array with varible size,
> > all
> > of the source code must be modified with _alloc(). And below is and
> > example in the dsputils.c:
> > DECLARE_ALIGNED_8 (uint64_t, aligned_bak[stride]);
> > replaced it by:
> > uint64_t *aligned_bak = (uint64_t *)_alloca(sizeof(uint64_t)*
> > stride);
> MSVC lacks support for quite a few other C features used by FFmpeg.
> The code must be compiled with a (mostly) C99 compliant compiler,
> as gcc. Most of the assembler optimizations are also available only
> when gcc is used.
However, defining an DECLARE_ALIGN_8_ARRAY(type,name,sz) macro could
provide a one-line workaround for that incomplete compiler...
> The compiled libraries can be used with any compiler. The public
> header files do not use any special language constructs. All that is
> required is a sane stdint.h header file.
I have the feeling this skud has been launched towards me... but maybe
I'm just getting paranoid.
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