b8753ffdaa
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@14941 a1c6a512-1295-4272-9138-f99709370657
43 lines
1.2 KiB
C
43 lines
1.2 KiB
C
/*
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* WMA compatible decoder
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* Copyright (c) 2002 The FFmpeg Project.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "types.h"
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typedef fixed32 FFTSample;
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typedef struct FFTComplex
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{
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fixed32 re, im;
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}
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FFTComplex;
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typedef struct FFTContext
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{
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int nbits;
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int inverse;
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uint16_t *revtab;
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FFTComplex *exptab;
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FFTComplex *exptab1; /* only used by SSE code */
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int (*fft_calc)(struct FFTContext *s, FFTComplex *z);
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}
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FFTContext;
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int fft_calc_unscaled(FFTContext *s, FFTComplex *z);
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int fft_init_global(void);
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