[Theora-dev] MMX/mmxext optimisations

Ivan pin at medic.chalmers.se
Tue Aug 24 05:32:35 PDT 2004

On Tue, Aug 24, 2004 at 02:26:16PM +0200, Ivan Popov wrote:
> gcc 3.2.2 and 3.3 produce a twice as fast working encoder but
> a broken decoder (hangs with a green screen)
> gcc 3.4.1 does not like static constants in
> i386/fdct_mmx.c and
> i386/dsp_mmx.c
> then if I comment out "static" it compiles but the encoder
> produces a stream showing wrong-colored squares (with about twice too high
> bitrate), though you can guess the picture, and the decoder is broken as above.

The same results with j at thing.net's patch.

Is the mmx-version of the decoder supposed to work?


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