[x264-devel] Re: [patch] optimized quant_XxX functions

Loren Merritt lorenm at u.washington.edu
Wed Sep 14 19:24:11 CEST 2005


On Sun, 4 Sep 2005, Christian Heine wrote:

> Hi,
> attached is a patch based on x264 rev. 291 that includes a faster C
> implementation as well as MMXEXT optimized versions of quant_8x8,
> quant_4x4, quant_4x4_dc, quant_2x2_dc on the x86 architecture.

Applied.
I only kept the quant_XxX_core function ptrs, as theyre faster than the 
quant_XxX.
And I didn't apply the SSE2 part (I haven't tested it either).

--Loren Merritt

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