[Ffmpeg-devel] [PATCH] from DivX, Part 7: MSVC fixes

Rich Felker dalias
Sat Dec 17 05:21:54 CET 2005

On Fri, Dec 16, 2005 at 04:18:02PM -1000, Steve Lhomme wrote:
> Rich Felker wrote:
> >On Fri, Dec 16, 2005 at 01:49:16PM -1000, Steve Lhomme wrote:
> >
> >>These are only the "soft" part of the MSVC fixes. That means I didn't 
> >>include parts I know wouldn't make it, like the named fields in 
> >>structures.
> >
> >
> >>-    DCTELEM __align8 block[6][64];
> >>+    __align8(DCTELEM, block[6][64]);
> >
> >
> >And this is supposed to be readable how?? It doesn't even look like a
> >declaration anymore!
> Tell me in the standard C __align8 is defined. As ffmpeg is supposed to 

_align8 is #defined on gcc to gcc-specific stuff, and defined as empty
on other compilers. This is perfectly fine since it's only needed for
the asm, which is only supported on gcc.

> be compiled with any _standard_ C compiler.

Yes, with inline asm disabled. If you enable inline asm it's gcc-only
(or compatible compilers).


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