ref: e09adf59442cd36888eaea1d76e66ff3259d16b8
dir: /sys/src/cmd/audio/mp3enc/fft.h/
/* * Fast Fourier Transform include file * * Copyright (c) 2000 Mark Taylor * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. */ #ifndef LAME_FFT_H #define LAME_FFT_H #include "encoder.h" void fft_long(lame_internal_flags* gfc, FLOAT x_real[BLKSIZE], int chn, const sample_t *data[2] ); void fft_short(lame_internal_flags* gfc, FLOAT x_real[3][BLKSIZE_s], int chn, const sample_t *data[2] ); void init_fft(lame_internal_flags* gfc ); #endif /* End of fft.h */