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-rw-r--r--apps/codecs/libwma/fft.h43
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diff --git a/apps/codecs/libwma/fft.h b/apps/codecs/libwma/fft.h
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1/*
2 * WMA compatible decoder
3 * Copyright (c) 2002 The FFmpeg Project.
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
14 *
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 */
19
20#include "types.h"
21
22typedef fixed32 FFTSample;
23
24typedef struct FFTComplex
25{
26 fixed32 re, im;
27}
28FFTComplex;
29
30typedef struct FFTContext
31{
32 int nbits;
33 int inverse;
34 uint16_t *revtab;
35 FFTComplex *exptab;
36 FFTComplex *exptab1; /* only used by SSE code */
37 int (*fft_calc)(struct FFTContext *s, FFTComplex *z);
38}
39FFTContext;
40
41int fft_calc_unscaled(FFTContext *s, FFTComplex *z);
42int fft_init_global(void);
43