1/* 2 * Generate a file for hardcoded tables 3 * 4 * Copyright (c) 2009 Reimar D��ffinger <Reimar.Doeffinger@gmx.de> 5 * 6 * This file is part of FFmpeg. 7 * 8 * FFmpeg is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU Lesser General Public 10 * License as published by the Free Software Foundation; either 11 * version 2.1 of the License, or (at your option) any later version. 12 * 13 * FFmpeg is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16 * Lesser General Public License for more details. 17 * 18 * You should have received a copy of the GNU Lesser General Public 19 * License along with FFmpeg; if not, write to the Free Software 20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 21 */ 22 23#ifndef AVCODEC_TABLEPRINT_H 24#define AVCODEC_TABLEPRINT_H 25 26#include <inttypes.h> 27#include <stdio.h> 28 29#include "libavutil/common.h" 30 31#define WRITE_1D_FUNC_ARGV(type, linebrk, fmtstr, ...)\ 32void write_##type##_array(const type *data, int len)\ 33{\ 34 int i;\ 35 printf(" ");\ 36 for (i = 0; i < len - 1; i++) {\ 37 printf(" "fmtstr",", __VA_ARGS__);\ 38 if ((i & linebrk) == linebrk) printf("\n ");\ 39 }\ 40 printf(" "fmtstr"\n", __VA_ARGS__);\ 41} 42 43#define WRITE_1D_FUNC(type, fmtstr, linebrk)\ 44 WRITE_1D_FUNC_ARGV(type, linebrk, fmtstr, data[i]) 45 46#define WRITE_2D_FUNC(type)\ 47void write_##type##_2d_array(const void *arg, int len, int len2)\ 48{\ 49 const type *data = arg;\ 50 int i;\ 51 printf(" {\n");\ 52 for (i = 0; i < len; i++) {\ 53 write_##type##_array(data + i * len2, len2);\ 54 printf(i == len - 1 ? " }\n" : " }, {\n");\ 55 }\ 56} 57 58/** 59 * @name Predefined functions for printing tables 60 * 61 * @{ 62 */ 63void write_int8_t_array (const int8_t *, int); 64void write_uint8_t_array (const uint8_t *, int); 65void write_uint16_t_array (const uint16_t *, int); 66void write_uint32_t_array (const uint32_t *, int); 67void write_float_array (const float *, int); 68void write_int8_t_2d_array (const void *, int, int); 69void write_uint8_t_2d_array (const void *, int, int); 70void write_uint32_t_2d_array(const void *, int, int); 71void write_float_2d_array (const void *, int, int); 72/** @} */ // end of printfuncs group 73 74/* 75 * MSVC doesn't have %zu, since it was introduced in C99, 76 * but has its own %Iu for printing size_t values. 77 */ 78#if defined(_MSC_VER) 79#define FMT "Iu" 80#else 81#define FMT "zu" 82#endif 83 84#define WRITE_ARRAY(prefix, type, name) \ 85 do { \ 86 const size_t array_size = FF_ARRAY_ELEMS(name); \ 87 printf(prefix" "#type" "#name"[%"FMT"] = {\n", \ 88 array_size); \ 89 write_##type##_array(name, array_size); \ 90 printf("};\n"); \ 91 } while(0) 92 93#define WRITE_2D_ARRAY(prefix, type, name) \ 94 do { \ 95 const size_t array_size1 = FF_ARRAY_ELEMS(name); \ 96 const size_t array_size2 = FF_ARRAY_ELEMS(name[0]); \ 97 printf(prefix" "#type" "#name"[%"FMT"][%"FMT"] = {\n", \ 98 array_size1, array_size2 ); \ 99 write_##type##_2d_array(name, array_size1, array_size2); \ 100 printf("};\n"); \ 101 } while(0) 102 103 104WRITE_1D_FUNC(int8_t, "%3"PRIi8, 15) 105WRITE_1D_FUNC(uint8_t, "0x%02"PRIx8, 15) 106WRITE_1D_FUNC(uint16_t, "0x%08"PRIx16, 7) 107WRITE_1D_FUNC(uint32_t, "0x%08"PRIx32, 7) 108WRITE_1D_FUNC(float, "%.18e", 3) 109 110WRITE_2D_FUNC(int8_t) 111WRITE_2D_FUNC(uint8_t) 112WRITE_2D_FUNC(uint32_t) 113WRITE_2D_FUNC(float) 114 115static inline void write_fileheader(void) 116{ 117 printf("/* This file was automatically generated. */\n"); 118 printf("#include <stdint.h>\n"); 119} 120 121#endif /* AVCODEC_TABLEPRINT_H */ 122