You've already forked FFmpeg
							
							
				mirror of
				https://github.com/FFmpeg/FFmpeg.git
				synced 2025-10-30 23:18:11 +02:00 
			
		
		
		
	
		
			
				
	
	
		
			62 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			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 }
 | |
| };
 |