Commit | Line | Data |
---|---|---|
2ba45a60 DM |
1 | /* |
2 | * Generate a file for hardcoded tables | |
3 | * | |
4 | * Copyright (c) 2009 Reimar Döffinger <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, ...)\ | |
32 | void 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)\ | |
47 | void 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 | */ | |
63 | void write_int8_t_array (const int8_t *, int); | |
64 | void write_uint8_t_array (const uint8_t *, int); | |
65 | void write_uint16_t_array (const uint16_t *, int); | |
66 | void write_uint32_t_array (const uint32_t *, int); | |
67 | void write_float_array (const float *, int); | |
68 | void write_int8_t_2d_array (const void *, int, int); | |
69 | void write_uint8_t_2d_array (const void *, int, int); | |
70 | void write_uint32_t_2d_array(const void *, int, int); | |
71 | void 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_ALIGNED(prefix, align, type, name) \ | |
85 | do { \ | |
86 | const size_t array_size = FF_ARRAY_ELEMS(name); \ | |
87 | printf(prefix" DECLARE_ALIGNED("#align", " \ | |
88 | #type", "#name")[%"FMT"] = {\n", \ | |
89 | array_size); \ | |
90 | write_##type##_array(name, array_size); \ | |
91 | printf("};\n"); \ | |
92 | } while(0) | |
93 | ||
94 | #define WRITE_ARRAY(prefix, type, name) \ | |
95 | do { \ | |
96 | const size_t array_size = FF_ARRAY_ELEMS(name); \ | |
97 | printf(prefix" "#type" "#name"[%"FMT"] = {\n", \ | |
98 | array_size); \ | |
99 | write_##type##_array(name, array_size); \ | |
100 | printf("};\n"); \ | |
101 | } while(0) | |
102 | ||
103 | #define WRITE_2D_ARRAY(prefix, type, name) \ | |
104 | do { \ | |
105 | const size_t array_size1 = FF_ARRAY_ELEMS(name); \ | |
106 | const size_t array_size2 = FF_ARRAY_ELEMS(name[0]); \ | |
107 | printf(prefix" "#type" "#name"[%"FMT"][%"FMT"] = {\n", \ | |
108 | array_size1, array_size2 ); \ | |
109 | write_##type##_2d_array(name, array_size1, array_size2); \ | |
110 | printf("};\n"); \ | |
111 | } while(0) | |
112 | ||
113 | ||
114 | WRITE_1D_FUNC(int8_t, "%3"PRIi8, 15) | |
115 | WRITE_1D_FUNC(uint8_t, "0x%02"PRIx8, 15) | |
116 | WRITE_1D_FUNC(uint16_t, "0x%08"PRIx16, 7) | |
117 | WRITE_1D_FUNC(uint32_t, "0x%08"PRIx32, 7) | |
118 | WRITE_1D_FUNC(float, "%.18e", 3) | |
119 | ||
120 | WRITE_2D_FUNC(int8_t) | |
121 | WRITE_2D_FUNC(uint8_t) | |
122 | WRITE_2D_FUNC(uint32_t) | |
123 | WRITE_2D_FUNC(float) | |
124 | ||
125 | static inline void write_fileheader(void) | |
126 | { | |
127 | printf("/* This file was automatically generated. */\n"); | |
128 | printf("#include <stdint.h>\n"); | |
129 | } | |
130 | ||
131 | #endif /* AVCODEC_TABLEPRINT_H */ |