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73 lines
2.4 KiB
73 lines
2.4 KiB
/* |
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* Various utilities for command line tools |
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* copyright (c) 2003 Fabrice Bellard |
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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 _CMD_UTILS_H |
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#define _CMD_UTILS_H |
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typedef struct { |
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const char *name; |
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int flags; |
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#define HAS_ARG 0x0001 |
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#define OPT_BOOL 0x0002 |
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#define OPT_EXPERT 0x0004 |
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#define OPT_STRING 0x0008 |
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#define OPT_VIDEO 0x0010 |
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#define OPT_AUDIO 0x0020 |
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#define OPT_GRAB 0x0040 |
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#define OPT_INT 0x0080 |
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#define OPT_FLOAT 0x0100 |
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#define OPT_SUBTITLE 0x0200 |
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#define OPT_FUNC2 0x0400 |
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#define OPT_INT64 0x0800 |
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union { |
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void (*func_arg)(const char *); //FIXME passing error code as int return would be nicer then exit() in the func |
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int *int_arg; |
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char **str_arg; |
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float *float_arg; |
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int (*func2_arg)(const char *, const char *); |
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int64_t *int64_arg; |
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} u; |
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const char *help; |
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const char *argname; |
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} OptionDef; |
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void show_help_options(const OptionDef *options, const char *msg, int mask, int value); |
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/** |
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* Parses the command line arguments. |
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* @param options Array with the definitions required to interpret every |
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* option of the form: -<option_name> [<argument>] |
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* @param parse_arg_function Name of the function called to process every |
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* argument without a leading option name flag. NULL if such arguments do |
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* not have to be processed. |
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*/ |
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void parse_options(int argc, char **argv, const OptionDef *options, |
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void (* parse_arg_function)(const char*)); |
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void print_error(const char *filename, int err); |
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/** |
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* Prints on stdout the license of the program, which depends on the license of |
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* the compiled libav* libraries. |
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*/ |
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void show_license(void); |
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#endif /* _CMD_UTILS_H */
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