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aacps_tablegen_template.c 3.38 KiB
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  • /*
     * Generate a header file for hardcoded Parametric Stereo tables
     *
     * Copyright (c) 2010 Alex Converse <alex.converse@gmail.com>
     *
     * 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
    #include "aac_defines.h"
    
    #if USE_FIXED
    #define TYPE_NAME "int32_t"
    
    #define ARRAY_RENAME(x) write_int32_t_ ## x
    #define ARRAY_URENAME(x) write_uint32_t_ ## x
    #include "aacps_fixed_tablegen.h"
    #else
    #define TYPE_NAME "float"
    
    #define ARRAY_RENAME(x) write_float_ ## x
    #define ARRAY_URENAME(x) write_float_ ## x
    #include "aacps_tablegen.h"
    #endif /* USE_FIXED */
    #include "tableprint.h"
    
    void ARRAY_RENAME(3d_array) (const void *p, int b, int c, int d)
    {
        int i;
        const INT32FLOAT *f = p;
        for (i = 0; i < b; i++) {
            printf("{\n");
            ARRAY_URENAME(2d_array)(f, c, d);
            printf("},\n");
            f += c * d;
        }
    }
    
    void ARRAY_RENAME(4d_array) (const void *p, int a, int b, int c, int d)
    {
        int i;
        const INT32FLOAT *f = p;
        for (i = 0; i < a; i++) {
            printf("{\n");
            ARRAY_RENAME(3d_array)(f, b, c, d);
            printf("},\n");
            f += b * c * d;
        }
    }
    
    int main(void)
    {
        ps_tableinit();
    
        write_fileheader();
    
        printf("static const %s pd_re_smooth[8*8*8] = {\n", TYPE_NAME);
        ARRAY_RENAME(array)(pd_re_smooth, 8*8*8);
        printf("};\n");
        printf("static const %s pd_im_smooth[8*8*8] = {\n", TYPE_NAME);
        ARRAY_RENAME(array)(pd_im_smooth, 8*8*8);
        printf("};\n");
    
        printf("static const %s HA[46][8][4] = {\n", TYPE_NAME);
        ARRAY_RENAME(3d_array)(HA, 46, 8, 4);
        printf("};\n");
        printf("static const %s HB[46][8][4] = {\n", TYPE_NAME);
        ARRAY_RENAME(3d_array)(HB, 46, 8, 4);
        printf("};\n");
    
        printf("static const DECLARE_ALIGNED(16, %s, f20_0_8)[8][8][2] = {\n", TYPE_NAME);
        ARRAY_RENAME(3d_array)(f20_0_8, 8, 8, 2);
        printf("};\n");
        printf("static const DECLARE_ALIGNED(16, %s, f34_0_12)[12][8][2] = {\n", TYPE_NAME);
        ARRAY_RENAME(3d_array)(f34_0_12, 12, 8, 2);
        printf("};\n");
        printf("static const DECLARE_ALIGNED(16, %s, f34_1_8)[8][8][2] = {\n", TYPE_NAME);
        ARRAY_RENAME(3d_array)(f34_1_8, 8, 8, 2);
        printf("};\n");
        printf("static const DECLARE_ALIGNED(16, %s, f34_2_4)[4][8][2] = {\n", TYPE_NAME);
        ARRAY_RENAME(3d_array)(f34_2_4, 4, 8, 2);
        printf("};\n");
    
        printf("static const DECLARE_ALIGNED(16, %s, Q_fract_allpass)[2][50][3][2] = {\n", TYPE_NAME);
        ARRAY_RENAME(4d_array)(Q_fract_allpass, 2, 50, 3, 2);
        printf("};\n");
        printf("static const DECLARE_ALIGNED(16, %s, phi_fract)[2][50][2] = {\n", TYPE_NAME);
        ARRAY_RENAME(3d_array)(phi_fract, 2, 50, 2);
        printf("};\n");
    
        return 0;
    }