FFmpeg  4.0
sinewin_tablegen_template.c
Go to the documentation of this file.
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 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 #include <stdlib.h>
24 #include "libavcodec/aac_defines.h"
25 #define CONFIG_HARDCODED_TABLES 0
26 
27 #if USE_FIXED
28 #define WRITE_FUNC write_int32_t_array
29 #else
30 #define WRITE_FUNC write_float_array
31 #endif
32 
33 #define SINETABLE_CONST
34 #define SINETABLE(size) \
35  INTFLOAT AAC_RENAME(ff_sine_##size)[size]
36 #define FF_ARRAY_ELEMS(a) (sizeof(a) / sizeof((a)[0]))
37 #include "sinewin_tablegen.h"
38 #include "tableprint.h"
39 
40 int main(void)
41 {
42  int i;
43 
45 
46  for (i = 5; i <= 13; i++) {
48  printf("SINETABLE(%4i) = {\n", 1 << i);
49  WRITE_FUNC(AAC_RENAME(ff_sine_windows)[i], 1 << i);
50  printf("};\n");
51  }
52 
53  return 0;
54 }
#define WRITE_FUNC
#define AAC_RENAME(x)
Definition: aac_defines.h:84
int main(void)
static void write_fileheader(void)
Definition: tableprint.h:128
void AAC_RENAME() ff_init_ff_sine_windows(int index)
initialize the specified entry of ff_sine_windows