1 /* 2 * TwoLAME: an optimized MPEG Audio Layer Two encoder 3 * 4 * Copyright (C) 2001-2004 Michael Cheng 5 * Copyright (C) 2004-2006 The TwoLAME Project 6 * 7 * This library is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU Lesser General Public 9 * License as published by the Free Software Foundation; either 10 * version 2.1 of the License, or (at your option) any later version. 11 * 12 * This library is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * Lesser General Public License for more details. 16 * 17 * You should have received a copy of the GNU Lesser General Public 18 * License along with this library; if not, write to the Free Software 19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 20 * 21 * $Id$ 22 * 23 */ 24 25 26 #ifndef _FFT_H_ 27 #define _FFT_H_ 28 29 //void fft (FLOAT[BLKSIZE], FLOAT[BLKSIZE], FLOAT[BLKSIZE], FLOAT[BLKSIZE], int); 30 31 void psycho_2_fft(FLOAT * x_real, FLOAT * energy, FLOAT * phi); 32 void psycho_1_fft(FLOAT * x_real, FLOAT * energy, int N); 33 34 35 #endif 36 37 38 // vim:ts=4:sw=4:nowrap: 39