Fix a bug in av_find_opt(). Because some of the AVOption structures have field
[libav.git] / cmdutils.h
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1/*
2 * Various utilities for command line tools
3 * copyright (c) 2003 Fabrice Bellard
4 *
5 * This file is part of FFmpeg.
6 *
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
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22#ifndef _CMD_UTILS_H
23#define _CMD_UTILS_H
24
25typedef struct {
26 const char *name;
27 int flags;
28#define HAS_ARG 0x0001
29#define OPT_BOOL 0x0002
30#define OPT_EXPERT 0x0004
31#define OPT_STRING 0x0008
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32#define OPT_VIDEO 0x0010
33#define OPT_AUDIO 0x0020
34#define OPT_GRAB 0x0040
26d4f26b 35#define OPT_INT 0x0080
394c4d77 36#define OPT_FLOAT 0x0100
ae27975d 37#define OPT_SUBTITLE 0x0200
8bbf6db9 38#define OPT_FUNC2 0x0400
ae27975d 39 union {
8bbf6db9 40 void (*func_arg)(const char *); //FIXME passing error code as int return would be nicer then exit() in the func
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41 int *int_arg;
42 char **str_arg;
1f631450 43 float *float_arg;
8bbf6db9 44 int (*func2_arg)(const char *, const char *);
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45 } u;
46 const char *help;
47 const char *argname;
48} OptionDef;
49
02d504a7 50void show_help_options(const OptionDef *options, const char *msg, int mask, int value);
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51void parse_options(int argc, char **argv, const OptionDef *options);
52void parse_arg_file(const char *filename);
53void print_error(const char *filename, int err);
54
55#endif /* _CMD_UTILS_H */