shithub: aacdec

ref: 13fb62b6009c89363d1990e09cc3daa33c015b2c
dir: /libfaad/specrec.h/

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/*
** FAAD - Freeware Advanced Audio Decoder
** Copyright (C) 2002 M. Bakker
**  
** 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.
**
** $Id: specrec.h,v 1.12 2003/06/23 15:21:20 menno Exp $
**/

#ifndef __SPECREC_H__
#define __SPECREC_H__

#ifdef __cplusplus
extern "C" {
#endif

#include "syntax.h"

uint8_t window_grouping_info(faacDecHandle hDecoder, ic_stream *ics);
void quant_to_spec(ic_stream *ics, real_t *spec_data, uint16_t frame_len);
void inverse_quantization(real_t *x_invquant, int16_t *x_quant, uint16_t frame_len);
#ifdef FIXED_POINT
void apply_scalefactors(faacDecHandle hDecoder, ic_stream *ics, real_t *x_invquant,
                        uint16_t frame_len);
#else
void build_tables(real_t *pow2_table);
void apply_scalefactors(ic_stream *ics, real_t *x_invquant, real_t *pow2_table,
                        uint16_t frame_len);
#endif

#ifdef __cplusplus
}
#endif
#endif