ref: 46d58fc082a8537f9de79342cd7d7d24974c984d
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 1.5 2002/06/13 11:03:28 menno Exp $ **/ #ifndef __SPECREC_H__ #define __SPECREC_H__ #ifdef __cplusplus extern "C" { #endif #include "syntax.h" /* !!!DON'T CHANGE IQ_TABLE_SIZE!!! */ #define IQ_TABLE_SIZE 1026 #define POW_TABLE_SIZE 200 uint8_t window_grouping_info(ic_stream *ics, uint8_t fs_index, uint8_t object_type, uint16_t frame_len); void quant_to_spec(ic_stream *ics, real_t *spec_data, uint16_t frame_len); void build_tables(real_t *iq_table, real_t *pow2_table); void inverse_quantization(real_t *x_invquant, int16_t *x_quant, real_t *iq_table, uint16_t frame_len); void apply_scalefactors(ic_stream *ics, real_t *x_invquant, real_t *pow2_table, uint16_t frame_len); #ifdef __cplusplus } #endif #endif