1 /* 2 ** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding 3 ** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com 4 ** 5 ** This program is free software; you can redistribute it and/or modify 6 ** it under the terms of the GNU General Public License as published by 7 ** the Free Software Foundation; either version 2 of the License, or 8 ** (at your option) any later version. 9 ** 10 ** This program is distributed in the hope that it will be useful, 11 ** but WITHOUT ANY WARRANTY; without even the implied warranty of 12 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 ** GNU General Public License for more details. 14 ** 15 ** You should have received a copy of the GNU General Public License 16 ** along with this program; if not, write to the Free Software 17 ** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 18 ** 19 ** Any non-GPL usage of this software or parts of this software is strictly 20 ** forbidden. 21 ** 22 ** The "appropriate copyright message" mentioned in section 2c of the GPLv2 23 ** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" 24 ** 25 ** Commercial non-GPL licensing of this software is possible. 26 ** For more info contact Nero AG through Mpeg4AAClicense@nero.com. 27 ** 28 ** $Id: sbr_fbt.h,v 1.18 2007/11/01 12:33:35 menno Exp $ 29 **/ 30 31 #ifndef __SBR_FBT_H__ 32 #define __SBR_FBT_H__ 33 34 #ifdef __cplusplus 35 extern "C" { 36 #endif 37 38 uint8_t qmf_start_channel(uint8_t bs_start_freq, uint8_t bs_samplerate_mode, 39 uint32_t sample_rate); 40 uint8_t qmf_stop_channel(uint8_t bs_stop_freq, uint32_t sample_rate, 41 uint8_t k0); 42 uint8_t master_frequency_table_fs0(sbr_info *sbr, uint8_t k0, uint8_t k2, 43 uint8_t bs_alter_scale); 44 uint8_t master_frequency_table(sbr_info *sbr, uint8_t k0, uint8_t k2, 45 uint8_t bs_freq_scale, uint8_t bs_alter_scale); 46 uint8_t derived_frequency_table(sbr_info *sbr, uint8_t bs_xover_band, 47 uint8_t k2); 48 void limiter_frequency_table(sbr_info *sbr); 49 50 51 #ifdef __cplusplus 52 } 53 #endif 54 #endif 55 56