FFmpeg: libavcodec/mpegaudio_tablegen.c Source File

00001 /*
00002  * Generate a header file for hardcoded mpegaudiodec tables
00003  *
00004  * Copyright (c) 2009 Reimar Döffinger <Reimar.Doeffinger@gmx.de>
00005  *
00006  * This file is part of FFmpeg.
00007  *
00008  * FFmpeg is free software; you can redistribute it and/or
00009  * modify it under the terms of the GNU Lesser General Public
00010  * License as published by the Free Software Foundation; either
00011  * version 2.1 of the License, or (at your option) any later version.
00012  *
00013  * FFmpeg is distributed in the hope that it will be useful,
00014  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00015  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00016  * Lesser General Public License for more details.
00017  *
00018  * You should have received a copy of the GNU Lesser General Public
00019  * License along with FFmpeg; if not, write to the Free Software
00020  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
00021  */
00022 
00023 #include <stdlib.h>
00024 #define CONFIG_HARDCODED_TABLES 0
00025 #include "mpegaudio_tablegen.h"
00026 #include "tableprint.h"
00027 
00028 int main(void)
00029 {
00030     mpegaudio_tableinit();
00031 
00032     write_fileheader();
00033 
00034     printf("static const int8_t table_4_3_exp[TABLE_4_3_SIZE] = {\n");
00035     write_int8_array(table_4_3_exp, TABLE_4_3_SIZE);
00036     printf("};\n");
00037 
00038     printf("static const uint32_t table_4_3_value[TABLE_4_3_SIZE] = {\n");
00039     write_uint32_array(table_4_3_value, TABLE_4_3_SIZE);
00040     printf("};\n");
00041 
00042     printf("static const uint32_t exp_table[512] = {\n");
00043     write_uint32_array(exp_table, 512);
00044     printf("};\n");
00045 
00046     printf("static const uint32_t expval_table[512][16] = {\n");
00047     write_uint32_2d_array(expval_table, 512, 16);
00048     printf("};\n");
00049 
00050     return 0;
00051 }