libfaad2/sbr_fbt.h

   1 /*
   2 ** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding
   3 ** Copyright (C) 2003-2004 M. Bakker, Ahead Software 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 ** Commercial non-GPL licensing of this software is possible.
  23 ** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
  24 **
  25 ** $Id: sbr_fbt.h,v 1.14 2004/09/04 14:56:28 menno Exp $
  26 **/
  27
  28 #ifndef __SBR_FBT_H__
  29 #define __SBR_FBT_H__
  30
  31 #ifdef __cplusplus
  32 extern "C" {
  33 #endif
  34
  35 uint8_t qmf_start_channel(uint8_t bs_start_freq, uint8_t bs_samplerate_mode,
  36                            uint32_t sample_rate);
  37 uint8_t qmf_stop_channel(uint8_t bs_stop_freq, uint32_t sample_rate,
  38                           uint8_t k0);
  39 uint8_t master_frequency_table_fs0(sbr_info *sbr, uint8_t k0, uint8_t k2,
  40                                    uint8_t bs_alter_scale);
  41 uint8_t master_frequency_table(sbr_info *sbr, uint8_t k0, uint8_t k2,
  42                                uint8_t bs_freq_scale, uint8_t bs_alter_scale);
  43 uint8_t derived_frequency_table(sbr_info *sbr, uint8_t bs_xover_band,
  44                                 uint8_t k2);
  45 void limiter_frequency_table(sbr_info *sbr);
  46
  47
  48 #ifdef __cplusplus
  49 }
  50 #endif
  51 #endif
  52