[FFmpeg-devel] [PATCH] MMX for Win64

matthieu castet castet.matthieu
Sat May 3 10:43:13 CEST 2008

Jean-Baptiste Kempf wrote:
> Hello *,
> Here is a patch to help compilation of libavcodec for Windows 64.
> Compiler used is mingw64.
> "The point here is that the code does a pop %0 - for %0 being a 32-bit word -
> Assembler tries to make a pushl value, which is for x86_64 forbidden.
> Long is 32bit on Win64
> (http://technet.microsoft.com/en-us/library/bb496995.aspx).
> ssize_t, however, is portable between both archs."
Yes but ffmpeg don't run only on win32 and win64. What make you think it 
will work under _all_ arch ?

Aren't mingw64 an option to get Linux long behaviour ?


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