ffmpeg/libavcodec/tableprint.c

78 lines
2.3 KiB
C

/*
* Generate a file for hardcoded tables
*
* Copyright (c) 2009 Reimar Döffinger <Reimar.Doeffinger@gmx.de>
*
* This file is part of FFmpeg.
*
* FFmpeg 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.
*
* FFmpeg 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 FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <stdio.h>
#include <inttypes.h>
#include "tableprint.h"
#define WRITE_1D_FUNC(name, type, fmtstr, linebrk)\
void write_##name##_array(const void *arg, int len, int dummy)\
{\
const type *data = arg;\
int i;\
printf(" ");\
for (i = 0; i < len - 1; i++) {\
printf(" "fmtstr",", data[i]);\
if ((i & linebrk) == linebrk) printf("\n ");\
}\
printf(" "fmtstr"\n", data[i]);\
}
WRITE_1D_FUNC(int8, int8_t, "%3"PRIi8, 15)
WRITE_1D_FUNC(uint8, uint8_t, "0x%02"PRIx8, 15)
WRITE_1D_FUNC(uint16, uint16_t, "0x%08"PRIx16, 7)
WRITE_1D_FUNC(uint32, uint32_t, "0x%08"PRIx32, 7)
WRITE_1D_FUNC(float, float, "%.18e", 3)
#define WRITE_2D_FUNC(name, type)\
void write_##name##_2d_array(const void *arg, int len, int len2)\
{\
const type *data = arg;\
int i;\
printf(" {\n");\
for (i = 0; i < len; i++) {\
write_##name##_array(data + i * len2, len2, 0);\
printf(i == len - 1 ? " }\n" : " }, {\n");\
}\
}
WRITE_2D_FUNC(int8, int8_t)
WRITE_2D_FUNC(uint8, uint8_t)
WRITE_2D_FUNC(uint32, uint32_t)
int main(int argc, char *argv[])
{
int i;
printf("/* This file was generated by libavcodec/tableprint */\n");
printf("#include <stdint.h>\n");
tableinit();
for (i = 0; tables[i].declaration; i++) {
puts(tables[i].declaration);
puts(" = {\n");
tables[i].printfunc(tables[i].data, tables[i].size, tables[i].size2);
puts("};\n");
}
return 0;
}