1 /********************************************************************
3 * THIS FILE IS PART OF THE Ogg Vorbis SOFTWARE CODEC SOURCE CODE. *
4 * USE, DISTRIBUTION AND REPRODUCTION OF THIS SOURCE IS GOVERNED BY *
5 * THE GNU PUBLIC LICENSE 2, WHICH IS INCLUDED WITH THIS SOURCE. *
6 * PLEASE READ THESE TERMS DISTRIBUTING. *
8 * THE OggSQUISH SOURCE CODE IS (C) COPYRIGHT 1994-1999 *
9 * by 1999 Monty and The XIPHOPHORUS Company *
10 * http://www.xiph.org/ *
12 ********************************************************************
14 function: modified discrete cosine transform prototypes
16 ********************************************************************/
30 extern MDCT_lookup *MDCT_init(int n);
31 extern void MDCT_free(MDCT_lookup *l);
32 extern void MDCT(double *in, double *out, MDCT_lookup *init, double *window);
33 extern void iMDCT(double *in, double *out, MDCT_lookup *init, double *window);