ref: 3501993184b7b711ab99d442ac651a6fb1310b6f
dir: /libfaad/specrec.h/
/* ** 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 1.1 2002/01/14 19:15:57 menno Exp $ **/ #ifndef __SPECREC_H__ #define __SPECREC_H__ #ifdef __cplusplus extern "C" { #endif #include "syntax.h" #define IQ_TABLE_SIZE 200 #define POW_TABLE_SIZE 200 int window_grouping_info(ic_stream *ics, int fs_index); void quant_to_spec(ic_stream *ics, float *spec_data); void build_tables(float *iq_table, float *pow2_table); void inverse_quantization(float *x_invquant, short *x_quant, float *iq_table); void apply_scalefactors(ic_stream *ics, float *x_invquant, float *pow2_table); #ifdef __cplusplus } #endif #endif