libavcodec/atrac.h

   1 /*
   2  * Atrac common data
   3  * Copyright (c) 2009 Maxim Poliakovski
   4  * Copyright (c) 2009 Benjamin Larsson
   5  *
   6  * This file is part of FFmpeg.
   7  *
   8  * FFmpeg is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * FFmpeg is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with FFmpeg; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  21  */
  22
  23 /**
  24  * @file libavcodec/atrac.h
  25  * Atrac common header
  26  */
  27
  28 #ifndef AVCODEC_ATRAC_H
  29 #define AVCODEC_ATRAC_H
  30
  31
  32 extern float sf_table[64];
  33 extern float qmf_window[48];
  34
  35 void atrac_generate_tables(void);
  36 void atrac_iqmf (float *inlo, float *inhi, unsigned int nIn, float *pOut, float *delayBuf, float *temp);
  37
  38 #endif /* AVCODEC_ATRAC_H */