4538729afe
These windows do not really belong in fft/mdct files and were easily confused with the similarly named tables used by rdft. Signed-off-by: Mans Rullgard <mans@mansr.com>
50 lines
1.4 KiB
C
50 lines
1.4 KiB
C
/*
|
|
* Generate a header file for hardcoded sine windows
|
|
*
|
|
* Copyright (c) 2009 Reimar Döffinger <Reimar.Doeffinger@gmx.de>
|
|
*
|
|
* This file is part of Libav.
|
|
*
|
|
* Libav is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* Libav is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with Libav; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#include <stdlib.h>
|
|
#define CONFIG_HARDCODED_TABLES 0
|
|
#define SINETABLE_CONST
|
|
#define SINETABLE(size) \
|
|
float ff_sine_##size[size]
|
|
#define FF_ARRAY_ELEMS(a) (sizeof(a) / sizeof((a)[0]))
|
|
#ifndef M_PI
|
|
#define M_PI 3.14159265358979323846
|
|
#endif
|
|
#include "sinewin_tablegen.h"
|
|
#include "tableprint.h"
|
|
|
|
int main(void)
|
|
{
|
|
int i;
|
|
|
|
write_fileheader();
|
|
|
|
for (i = 5; i <= 12; i++) {
|
|
ff_init_ff_sine_windows(i);
|
|
printf("SINETABLE(%4i) = {\n", 1 << i);
|
|
write_float_array(ff_sine_windows[i], 1 << i);
|
|
printf("};\n");
|
|
}
|
|
|
|
return 0;
|
|
}
|