libavcodec/sinewin_tablegen.c

   1 /*
   2  * Generate a header file for hardcoded sine windows
   3  *
   4  * Copyright (c) 2009 Reimar Döffinger <Reimar.Doeffinger@gmx.de>
   5  *
   6  * This file is part of Libav.
   7  *
   8  * Libav 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  * Libav 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 Libav; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  21  */
  22
  23 #include <stdlib.h>
  24 #define CONFIG_HARDCODED_TABLES 0
  25 #define SINETABLE_CONST
  26 #define SINETABLE(size) \
  27     float ff_sine_##size[size]
  28 #define FF_ARRAY_ELEMS(a) (sizeof(a) / sizeof((a)[0]))
  29 #include "sinewin_tablegen.h"
  30 #include "tableprint.h"
  31
  32 int main(void)
  33 {
  34     int i;
  35
  36     write_fileheader();
  37
  38     for (i = 5; i <= 13; i++) {
  39         ff_init_ff_sine_windows(i);
  40         printf("SINETABLE(%4i) = {\n", 1 << i);
  41         write_float_array(ff_sine_windows[i], 1 << i);
  42         printf("};\n");
  43     }
  44
  45     return 0;
  46 }