libfaad2/drc.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 ** Initially modified for use with MPlayer by Arpad Gereöffy on 2003/08/30
  26 ** $Id: drc.h,v 1.2 2004/06/02 22:59:02 diego Exp $
  27 ** detailed CVS changelog at http://www.mplayerhq.hu/cgi-bin/cvsweb.cgi/main/
  28 **/
  29
  30 #ifndef __DRC_H__
  31 #define __DRC_H__
  32
  33 #ifdef __cplusplus
  34 extern "C" {
  35 #endif
  36
  37 #define DRC_REF_LEVEL 20*4 /* -20 dB */
  38
  39
  40 drc_info *drc_init(real_t cut, real_t boost);
  41 void drc_end(drc_info *drc);
  42 void drc_decode(drc_info *drc, real_t *spec);
  43
  44
  45 #ifdef __cplusplus
  46 }
  47 #endif
  48 #endif