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libavcodec/qdm2_tablegen.c

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00001 /*
00002  * Generate a header file for hardcoded QDM2 tables
00003  *
00004  * Copyright (c) 2010 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 "qdm2_tablegen.h"
00026 #include "tableprint.h"
00027 
00028 int main(void)
00029 {
00030     softclip_table_init();
00031     rnd_table_init();
00032     init_noise_samples();
00033 
00034     write_fileheader();
00035 
00036     printf("static const uint16_t softclip_table[HARDCLIP_THRESHOLD - SOFTCLIP_THRESHOLD + 1] = {\n");
00037     write_uint16_array(softclip_table, HARDCLIP_THRESHOLD - SOFTCLIP_THRESHOLD + 1);
00038     printf("};\n");
00039 
00040     printf("static const float noise_table[4096] = {\n");
00041     write_float_array(noise_table, 4096);
00042     printf("};\n");
00043 
00044     printf("static const uint8_t random_dequant_index[256][5] = {\n");
00045     write_uint8_2d_array(random_dequant_index, 256, 5);
00046     printf("};\n");
00047 
00048     printf("static const uint8_t random_dequant_type24[128][3] = {\n");
00049     write_uint8_2d_array(random_dequant_type24, 128, 3);
00050     printf("};\n");
00051 
00052     printf("static const float noise_samples[128] = {\n");
00053     write_float_array(noise_samples, 128);
00054     printf("};\n");
00055 
00056     return 0;
00057 }

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