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[libav.git] / libavcodec / tableprint.h
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1/*
2 * Generate a file for hardcoded tables
3 *
4 * Copyright (c) 2009 Reimar Döffinger <Reimar.Doeffinger@gmx.de>
5 *
2912e87a 6 * This file is part of Libav.
eadaa00c 7 *
2912e87a 8 * Libav is free software; you can redistribute it and/or
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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 *
2912e87a 13 * Libav is distributed in the hope that it will be useful,
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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
2912e87a 19 * License along with Libav; if not, write to the Free Software
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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
9f240566 26#include <inttypes.h>
8de0859b 27#include <stdio.h>
9f240566 28
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29#include "libavutil/common.h"
30
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31#define WRITE_1D_FUNC_ARGV(type, linebrk, fmtstr, ...)\
32void write_##type##_array(const type *data, int len)\
8de0859b 33{\
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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
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43#define WRITE_1D_FUNC(type, fmtstr, linebrk)\
44 WRITE_1D_FUNC_ARGV(type, linebrk, fmtstr, data[i])
8de0859b 45
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46#define WRITE_2D_FUNC(type)\
47void write_##type##_2d_array(const void *arg, int len, int len2)\
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48{\
49 const type *data = arg;\
50 int i;\
51 printf(" {\n");\
52 for (i = 0; i < len; i++) {\
ac014798 53 write_##type##_array(data + i * len2, len2);\
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54 printf(i == len - 1 ? " }\n" : " }, {\n");\
55 }\
56}
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57
58/**
21a19b79 59 * @name Predefined functions for printing tables
eadaa00c 60 *
ff159e78 61 * @{
eadaa00c 62 */
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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);
ff159e78 72/** @} */ // end of printfuncs group
eadaa00c 73
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74#define WRITE_ARRAY(prefix, type, name) \
75 do { \
76 const size_t array_size = FF_ARRAY_ELEMS(name); \
77 printf(prefix" "#type" "#name"[%zu] = {\n", \
78 array_size); \
79 write_##type##_array(name, array_size); \
80 printf("};\n"); \
81 } while(0)
82
83#define WRITE_2D_ARRAY(prefix, type, name) \
84 do { \
85 const size_t array_size1 = FF_ARRAY_ELEMS(name); \
86 const size_t array_size2 = FF_ARRAY_ELEMS(name[0]); \
87 printf(prefix" "#type" "#name"[%zu][%zu] = {\n", \
88 array_size1, array_size2 ); \
89 write_##type##_2d_array(name, array_size1, array_size2); \
90 printf("};\n"); \
91 } while(0)
92
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93
94WRITE_1D_FUNC(int8_t, "%3"PRIi8, 15)
95WRITE_1D_FUNC(uint8_t, "0x%02"PRIx8, 15)
96WRITE_1D_FUNC(uint16_t, "0x%08"PRIx16, 7)
97WRITE_1D_FUNC(uint32_t, "0x%08"PRIx32, 7)
98WRITE_1D_FUNC(float, "%.18e", 3)
99
100WRITE_2D_FUNC(int8_t)
101WRITE_2D_FUNC(uint8_t)
102WRITE_2D_FUNC(uint32_t)
103WRITE_2D_FUNC(float)
104
105static inline void write_fileheader(void)
106{
107 printf("/* This file was automatically generated. */\n");
108 printf("#include <stdint.h>\n");
109}
110
eadaa00c 111#endif /* AVCODEC_TABLEPRINT_H */