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ffmpeg / libavcodec / mdct_tablegen.c @ 2912e87a

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/*
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 * Generate a header file for hardcoded MDCT tables
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 *
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 * Copyright (c) 2009 Reimar Döffinger <Reimar.Doeffinger@gmx.de>
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 *
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 * This file is part of Libav.
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 *
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 * Libav is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU Lesser General Public
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 * License as published by the Free Software Foundation; either
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 * version 2.1 of the License, or (at your option) any later version.
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 *
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 * Libav is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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 * Lesser General Public License for more details.
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 *
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 * You should have received a copy of the GNU Lesser General Public
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 * License along with Libav; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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 */
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#include <stdlib.h>
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#define CONFIG_HARDCODED_TABLES 0
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#define SINETABLE_CONST
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#define SINETABLE(size) \
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    float ff_sine_##size[size]
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#define FF_ARRAY_ELEMS(a) (sizeof(a) / sizeof((a)[0]))
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#ifndef M_PI
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#define M_PI 3.14159265358979323846
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#endif
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#include "mdct_tablegen.h"
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#include "tableprint.h"
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int main(void)
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{
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    int i;
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    write_fileheader();
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    for (i = 5; i <= 12; i++) {
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        ff_init_ff_sine_windows(i);
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        printf("SINETABLE(%4i) = {\n", 1 << i);
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        write_float_array(ff_sine_windows[i], 1 << i);
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        printf("};\n");
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    }
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    return 0;
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}