mirror of https://git.ffmpeg.org/ffmpeg.git
93 lines
3.2 KiB
C
93 lines
3.2 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 <stdint.h>
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#include <stdio.h>
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#define WRITE_1D_FUNC_ARGV(name, type, linebrk, fmtstr, ...)\
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void write_##name##_array(const void *arg, int len, int dummy)\
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{\
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const type *data = arg;\
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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(name, type, fmtstr, linebrk)\
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WRITE_1D_FUNC_ARGV(name, type, linebrk, fmtstr, data[i])
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#define WRITE_2D_FUNC(name, type)\
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void write_##name##_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_##name##_array(data + i * len2, len2, 0);\
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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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* \defgroup printfuncs Predefined functions for printing tables
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*
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* \{
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*/
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void write_int8_array (const void *, int, int);
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void write_uint8_array (const void *, int, int);
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void write_uint16_array (const void *, int, int);
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void write_uint32_array (const void *, int, int);
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void write_float_array (const void *, int, int);
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void write_int8_2d_array (const void *, int, int);
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void write_uint8_2d_array (const void *, int, int);
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void write_uint32_2d_array(const void *, int, int);
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/** \} */ // end of printfuncs group
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struct tabledef {
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/** String that declares the array. Adding " = { ..." after it should
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* make a valid initializer, adding "extern" before and ";" if possible
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* should make a valid extern declaration. */
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const char *declaration;
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/** Function used to print the table data (i.e. the part in {}).
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* Should be one of the predefined write_*_array functions. */
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void (*printfunc)(const void *, int, int);
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/** Pointer passed to the printfunc, usually a pointer to the start
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* of the array to be printed. */
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const void *data;
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int size; ///< size of the first dimension of the array
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int size2; ///< size of the second dimension of the array if any
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};
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/** Initializes all the tables described in the tables array */
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void tableinit(void);
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/** Describes the tables that should be printed */
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extern const struct tabledef tables[];
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#endif /* AVCODEC_TABLEPRINT_H */
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