diff options
Diffstat (limited to 'libavcodec/mdct_tablegen.c')
-rw-r--r-- | libavcodec/mdct_tablegen.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/libavcodec/mdct_tablegen.c b/libavcodec/mdct_tablegen.c new file mode 100644 index 0000000000..f04502f181 --- /dev/null +++ b/libavcodec/mdct_tablegen.c @@ -0,0 +1,61 @@ +/* + * 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 } +}; |