[FFmpeg-devel] Once again: Multithreaded H.264 decoding with ffmpeg?

Michel Lespinasse walken
Sat May 31 03:52:45 CEST 2008

On Fri, May 30, 2008 at 02:26:21PM -0600, Jason Garrett-Glaser wrote:
> Main benefit of yasm:
> * vastly more powerful macro system that makes it far easier to
> generalize a small function to dozens of specific cases
> This allows us to do the following:
> * abstraction between MMX and SSE code; write a single function that does both
> * automatic handling of macros that permute their arguments; see
> x264's DCT functions
> * automatic handling of 32-bit vs 64-bit abstraction

I think the above can also be achived using mmx.h and the C preprocessor.
At least that's what I used in libmpeg2's IDCT code.

I don't know how that compares to yasm but I do find this to be much nicer
than direct use of inline asm.


Michel "Walken" Lespinasse
A program is never fully debugged until the last user dies.

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