third_party_ffmpeg/libavcodec/mdct_tablegen.c
Reimar Döffinger 14b8607065 Add support for hard-coded MDCT-related ff_sine_windows tables.
Originally committed as revision 21108 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-01-09 13:28:04 +00:00

62 lines
1.7 KiB
C

/*
* Generate a header file for hardcoded MDCT tables
*
* Copyright (c) 2009 Reimar Döffinger <Reimar.Doeffinger@gmx.de>
*
* This file is part of FFmpeg.
*
* FFmpeg 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.
*
* FFmpeg 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 FFmpeg; 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 av_cold
#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 "mdct_tablegen.h"
#include "tableprint.h"
void tableinit(void)
{
int i;
for (i = 5; i <= 12; i++)
ff_init_ff_sine_windows(i);
}
#define SINE_TABLE_DEF(size) \
{ \
"SINETABLE("#size")", \
write_float_array, \
ff_sine_##size, \
size \
},
const struct tabledef tables[] = {
SINE_TABLE_DEF( 32)
SINE_TABLE_DEF( 64)
SINE_TABLE_DEF( 128)
SINE_TABLE_DEF( 256)
SINE_TABLE_DEF( 512)
SINE_TABLE_DEF(1024)
SINE_TABLE_DEF(2048)
SINE_TABLE_DEF(4096)
{ NULL }
};