[FFmpeg-devel] Fixpoint FFT optimization, with MDCT and IMDCT wrappers for audio optimization

Diego Biurrun diego
Mon Jul 30 10:41:00 CEST 2007


On Sun, Jul 29, 2007 at 08:13:38PM -0400, Marc Hoffman wrote:
> 
> Ok guys, I removed myself from the have list...  And correct the
> makefile like you asked before.  Much simpiler.  Again sorry about the
> mime attachment....
> 
> --- libavcodec/fft_fixedpoint.c	(revision 0)
> +++ libavcodec/fft_fixedpoint.c	(revision 0)
> @@ -0,0 +1,385 @@
> +
> +/**
> + * @file fft_fixedpoint.c
> + * FFT/IFFT transforms.
> + * This module defines several fixedpoint spectrum analysis tools.
> + *
> + */

nit: useless empty line

> +/*
> +  This is a fixpoint inplace 16bit FFT which accepts 3 arguments:

fixEDpoint

Diego




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