[FFmpeg-devel] [PATCH] Prepare for optimised forward MDCT implementations

Måns Rullgård mans
Fri Sep 11 04:28:20 CEST 2009

Mans Rullgard <mans at mansr.com> writes:

> This adds a function pointer for forward MDCT to FFTContext and
> initialises it with the existing C function.  ff_calc_mdct() is
> changed to an inline function calling the selected version as
> done for other fft/mdct functions.

I took the liberty to commit this.  I also committed a NEON version of
MDCT, 7x faster than C as measured by fft-test.

M?ns Rullg?rd
mans at mansr.com

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