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-rw-r--r--src/ui/fft.h45
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diff --git a/src/ui/fft.h b/src/ui/fft.h
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--- a/src/ui/fft.h
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-/* fft.h: Header for iterative implementation of a FFT
- * Copyright (C) 1999 Richard Boulton <richard@tartarus.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- */
-
-#ifndef _FFT_H_
-#define _FFT_H_
-
-#define FFT_BUFFER_SIZE_LOG 9
-
-#define FFT_BUFFER_SIZE (1 << FFT_BUFFER_SIZE_LOG)
-
-/* sound sample - should be an signed 16 bit value */
-typedef short int sound_sample;
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/* FFT library */
- typedef struct _struct_fft_state fft_state;
- fft_state *fft_init(void);
- void fft_perform(const sound_sample * input, float *output,
- fft_state * state);
- void fft_close(fft_state * state);
-
-
-
-#ifdef __cplusplus
-}
-#endif
-#endif /* _FFT_H_ */