vx32

Local 9vx git repository for patches.
git clone git://r-36.net/vx32
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smallft.h (1279B)

      1 /********************************************************************
      2  *                                                                  *
      3  * THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE.   *
      4  * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS     *
      5  * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
      6  * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING.       *
      7  *                                                                  *
      8  * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2002             *
      9  * by the XIPHOPHORUS Company http://www.xiph.org/                  *
     10  *                                                                  *
     11  ********************************************************************
     12 
     13  function: fft transform
     14  last mod: $Id: smallft.h 1919 2005-07-24 14:18:04Z baford $
     15 
     16  ********************************************************************/
     17 
     18 #ifndef _V_SMFT_H_
     19 #define _V_SMFT_H_
     20 
     21 #include "vorbis/codec.h"
     22 
     23 typedef struct {
     24   int n;
     25   float *trigcache;
     26   int *splitcache;
     27 } drft_lookup;
     28 
     29 extern void drft_forward(drft_lookup *l,float *data);
     30 extern void drft_backward(drft_lookup *l,float *data);
     31 extern void drft_init(drft_lookup *l,int n);
     32 extern void drft_clear(drft_lookup *l);
     33 
     34 #endif