50 lines
1.5 KiB
C
50 lines
1.5 KiB
C
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/*
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** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding
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** Copyright (C) 2003-2004 M. Bakker, Ahead Software AG, http://www.nero.com
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**
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** This program is free software; you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation; either version 2 of the License, or
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** (at your option) any later version.
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**
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** This program 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
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with this program; 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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** Any non-GPL usage of this software or parts of this software is strictly
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** forbidden.
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**
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** Commercial non-GPL licensing of this software is possible.
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** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
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**
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** $Id$
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**/
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#ifndef __SBR_DCT_H__
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#define __SBR_DCT_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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void dct4_kernel(real_t * in_real, real_t * in_imag, real_t * out_real, real_t * out_imag);
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void DCT3_32_unscaled(real_t *y, real_t *x);
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void DCT4_32(real_t *y, real_t *x);
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void DST4_32(real_t *y, real_t *x);
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void DCT2_32_unscaled(real_t *y, real_t *x);
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void DCT4_16(real_t *y, real_t *x);
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void DCT2_16_unscaled(real_t *y, real_t *x);
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#ifdef __cplusplus
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}
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#endif
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#endif
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