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FFmpeg/libavcodec/tableprint.h
2011-12-07 15:29:14 +01:00

112 lines
3.8 KiB
C

/*
* Generate a file for hardcoded tables
*
* Copyright (c) 2009 Reimar Döffinger <Reimar.Doeffinger@gmx.de>
*
* This file is part of Libav.
*
* Libav 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.
*
* Libav 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 Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVCODEC_TABLEPRINT_H
#define AVCODEC_TABLEPRINT_H
#include <inttypes.h>
#include <stdio.h>
#include "libavutil/common.h"
#define WRITE_1D_FUNC_ARGV(type, linebrk, fmtstr, ...)\
void write_##type##_array(const type *data, int len)\
{\
int i;\
printf(" ");\
for (i = 0; i < len - 1; i++) {\
printf(" "fmtstr",", __VA_ARGS__);\
if ((i & linebrk) == linebrk) printf("\n ");\
}\
printf(" "fmtstr"\n", __VA_ARGS__);\
}
#define WRITE_1D_FUNC(type, fmtstr, linebrk)\
WRITE_1D_FUNC_ARGV(type, linebrk, fmtstr, data[i])
#define WRITE_2D_FUNC(type)\
void write_##type##_2d_array(const void *arg, int len, int len2)\
{\
const type *data = arg;\
int i;\
printf(" {\n");\
for (i = 0; i < len; i++) {\
write_##type##_array(data + i * len2, len2);\
printf(i == len - 1 ? " }\n" : " }, {\n");\
}\
}
/**
* @name Predefined functions for printing tables
*
* @{
*/
void write_int8_t_array (const int8_t *, int);
void write_uint8_t_array (const uint8_t *, int);
void write_uint16_t_array (const uint16_t *, int);
void write_uint32_t_array (const uint32_t *, int);
void write_float_array (const float *, int);
void write_int8_t_2d_array (const void *, int, int);
void write_uint8_t_2d_array (const void *, int, int);
void write_uint32_t_2d_array(const void *, int, int);
void write_float_2d_array (const void *, int, int);
/** @} */ // end of printfuncs group
#define WRITE_ARRAY(prefix, type, name) \
do { \
const size_t array_size = FF_ARRAY_ELEMS(name); \
printf(prefix" "#type" "#name"[%zu] = {\n", \
array_size); \
write_##type##_array(name, array_size); \
printf("};\n"); \
} while(0)
#define WRITE_2D_ARRAY(prefix, type, name) \
do { \
const size_t array_size1 = FF_ARRAY_ELEMS(name); \
const size_t array_size2 = FF_ARRAY_ELEMS(name[0]); \
printf(prefix" "#type" "#name"[%zu][%zu] = {\n", \
array_size1, array_size2 ); \
write_##type##_2d_array(name, array_size1, array_size2); \
printf("};\n"); \
} while(0)
WRITE_1D_FUNC(int8_t, "%3"PRIi8, 15)
WRITE_1D_FUNC(uint8_t, "0x%02"PRIx8, 15)
WRITE_1D_FUNC(uint16_t, "0x%08"PRIx16, 7)
WRITE_1D_FUNC(uint32_t, "0x%08"PRIx32, 7)
WRITE_1D_FUNC(float, "%.18e", 3)
WRITE_2D_FUNC(int8_t)
WRITE_2D_FUNC(uint8_t)
WRITE_2D_FUNC(uint32_t)
WRITE_2D_FUNC(float)
static inline void write_fileheader(void)
{
printf("/* This file was automatically generated. */\n");
printf("#include <stdint.h>\n");
}
#endif /* AVCODEC_TABLEPRINT_H */