libfaad2/ssr_fb.h

   1 /*
   2 ** FAAD - Freeware Advanced Audio Decoder
   3 ** Copyright (C) 2002 M. Bakker
   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 ** $Id: ssr_fb.h,v 1.13 2004/09/04 14:56:29 menno Exp $
  20 **/
  21
  22 #ifndef __SSR_FB_H__
  23 #define __SSR_FB_H__
  24
  25 #ifdef __cplusplus
  26 extern "C" {
  27 #endif
  28
  29 fb_info *ssr_filter_bank_init(uint16_t frame_len);
  30 void ssr_filter_bank_end(fb_info *fb);
  31
  32 /*non overlapping inverse filterbank */
  33 void ssr_ifilter_bank(fb_info *fb,
  34                       uint8_t window_sequence,
  35                       uint8_t window_shape,
  36                       uint8_t window_shape_prev,
  37                       real_t *freq_in,
  38                       real_t *time_out,
  39                       uint16_t frame_len);
  40
  41 #ifdef __cplusplus
  42 }
  43 #endif
  44 #endif