FFmpeg
mpegaudio_tablegen.c
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1 /*
2  * Generate a header file for hardcoded mpegaudiodec tables
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 #define CONFIG_HARDCODED_TABLES 0
25 #include "libavutil/tablegen.h"
26 #include "mpegaudio_tablegen.h"
27 #include "tableprint.h"
28 
29 int main(void)
30 {
32 
34 
35  WRITE_ARRAY("static const", int8_t, table_4_3_exp);
36  WRITE_ARRAY("static const", uint32_t, table_4_3_value);
37  WRITE_ARRAY("static const", uint32_t, exp_table_fixed);
38  WRITE_ARRAY("static const", float, exp_table_float);
39  WRITE_2D_ARRAY("static const", uint32_t, expval_table_fixed);
40  WRITE_2D_ARRAY("static const", float, expval_table_float);
41 
42  return 0;
43 }
static uint32_t table_4_3_value[TABLE_4_3_SIZE]
Compatibility libm for table generation files.
static int8_t table_4_3_exp[TABLE_4_3_SIZE]
static float exp_table_float[512]
static av_cold void mpegaudio_tableinit(void)
WRITE_ARRAY("static const", uint8_t, my_array)
int main(void)
static uint32_t expval_table_fixed[512][16]
write_fileheader() adds some minor things like a"this is a generated file"comment and some standard includes.tablegen.h defines some write functions for one-and two-dimensional arrays for standard types-they print only the"core"parts so they are easier to reuse for multi-dimensional arrays so the outermost
Definition: tablegen.txt:39
#define WRITE_2D_ARRAY(prefix, type, name)
Definition: tableprint.h:104
static float expval_table_float[512][16]
static uint32_t exp_table_fixed[512]