Add myself as a maintainer for the RTP muxer and for the SDP generator
[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
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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
ffdf9a1f 39#define OPT_INT64 0x0800
ae27975d 40 union {
8bbf6db9 41 void (*func_arg)(const char *); //FIXME passing error code as int return would be nicer then exit() in the func
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42 int *int_arg;
43 char **str_arg;
1f631450 44 float *float_arg;
8bbf6db9 45 int (*func2_arg)(const char *, const char *);
ffdf9a1f 46 int64_t *int64_arg;
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47 } u;
48 const char *help;
49 const char *argname;
50} OptionDef;
51
02d504a7 52void show_help_options(const OptionDef *options, const char *msg, int mask, int value);
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53
54/**
55 * Parses the command line arguments.
56 * @param options Array with the definitions required to interpret every
57 * option of the form: -<option_name> [<argument>]
58 * @param parse_arg_function Name of the function called to process every
59 * argument without a leading option name flag. NULL if such arguments do
60 * not have to be processed.
61 */
62void parse_options(int argc, char **argv, const OptionDef *options,
63 void (* parse_arg_function)(const char*));
64
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65void print_error(const char *filename, int err);
66
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67/**
68 * Prints on stdout the license of the program, which depends on the license of
69 * the compiled libav* libraries.
70 */
71void show_license(void);
72
57b499c7 73#endif /* CMD_UTILS_H */