forked from KolibriOS/kolibrios
122 lines
3.9 KiB
C
122 lines
3.9 KiB
C
/*
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* Generate a file for hardcoded 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 FFmpeg.
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*
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* FFmpeg 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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* FFmpeg 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 FFmpeg; 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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#ifndef AVCODEC_TABLEPRINT_H
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#define AVCODEC_TABLEPRINT_H
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#include <inttypes.h>
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#include <stdio.h>
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#include "libavutil/common.h"
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#define WRITE_1D_FUNC_ARGV(type, linebrk, fmtstr, ...)\
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void write_##type##_array(const type *data, int len)\
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{\
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int i;\
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printf(" ");\
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for (i = 0; i < len - 1; i++) {\
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printf(" "fmtstr",", __VA_ARGS__);\
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if ((i & linebrk) == linebrk) printf("\n ");\
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}\
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printf(" "fmtstr"\n", __VA_ARGS__);\
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}
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#define WRITE_1D_FUNC(type, fmtstr, linebrk)\
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WRITE_1D_FUNC_ARGV(type, linebrk, fmtstr, data[i])
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#define WRITE_2D_FUNC(type)\
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void write_##type##_2d_array(const void *arg, int len, int len2)\
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{\
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const type *data = arg;\
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int i;\
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printf(" {\n");\
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for (i = 0; i < len; i++) {\
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write_##type##_array(data + i * len2, len2);\
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printf(i == len - 1 ? " }\n" : " }, {\n");\
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}\
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}
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/**
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* @name Predefined functions for printing tables
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*
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* @{
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*/
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void write_int8_t_array (const int8_t *, int);
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void write_uint8_t_array (const uint8_t *, int);
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void write_uint16_t_array (const uint16_t *, int);
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void write_uint32_t_array (const uint32_t *, int);
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void write_float_array (const float *, int);
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void write_int8_t_2d_array (const void *, int, int);
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void write_uint8_t_2d_array (const void *, int, int);
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void write_uint32_t_2d_array(const void *, int, int);
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void write_float_2d_array (const void *, int, int);
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/** @} */ // end of printfuncs group
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/*
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* MSVC doesn't have %zu, since it was introduced in C99,
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* but has its own %Iu for printing size_t values.
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*/
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#if defined(_MSC_VER)
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#define FMT "Iu"
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#else
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#define FMT "zu"
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#endif
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#define WRITE_ARRAY(prefix, type, name) \
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do { \
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const size_t array_size = FF_ARRAY_ELEMS(name); \
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printf(prefix" "#type" "#name"[%"FMT"] = {\n", \
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array_size); \
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write_##type##_array(name, array_size); \
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printf("};\n"); \
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} while(0)
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#define WRITE_2D_ARRAY(prefix, type, name) \
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do { \
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const size_t array_size1 = FF_ARRAY_ELEMS(name); \
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const size_t array_size2 = FF_ARRAY_ELEMS(name[0]); \
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printf(prefix" "#type" "#name"[%"FMT"][%"FMT"] = {\n", \
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array_size1, array_size2 ); \
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write_##type##_2d_array(name, array_size1, array_size2); \
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printf("};\n"); \
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} while(0)
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WRITE_1D_FUNC(int8_t, "%3"PRIi8, 15)
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WRITE_1D_FUNC(uint8_t, "0x%02"PRIx8, 15)
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WRITE_1D_FUNC(uint16_t, "0x%08"PRIx16, 7)
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WRITE_1D_FUNC(uint32_t, "0x%08"PRIx32, 7)
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WRITE_1D_FUNC(float, "%.18e", 3)
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WRITE_2D_FUNC(int8_t)
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WRITE_2D_FUNC(uint8_t)
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WRITE_2D_FUNC(uint32_t)
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WRITE_2D_FUNC(float)
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static inline void write_fileheader(void)
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{
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printf("/* This file was automatically generated. */\n");
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printf("#include <stdint.h>\n");
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}
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#endif /* AVCODEC_TABLEPRINT_H */
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