cmdutils.h

   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
  22 #ifndef _CMD_UTILS_H
  23 #define _CMD_UTILS_H
  24
  25 typedef 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
  32 #define OPT_VIDEO  0x0010
  33 #define OPT_AUDIO  0x0020
  34 #define OPT_GRAB   0x0040
  35 #define OPT_INT    0x0080
  36 #define OPT_FLOAT  0x0100
  37 #define OPT_SUBTITLE 0x0200
  38 #define OPT_FUNC2  0x0400
  39 #define OPT_INT64  0x0800
  40      union {
  41         void (*func_arg)(const char *); //FIXME passing error code as int return would be nicer then exit() in the func
  42         int *int_arg;
  43         char **str_arg;
  44         float *float_arg;
  45         int (*func2_arg)(const char *, const char *);
  46         int64_t *int64_arg;
  47     } u;
  48     const char *help;
  49     const char *argname;
  50 } OptionDef;
  51
  52 void show_help_options(const OptionDef *options, const char *msg, int mask, int value);
  53 void parse_options(int argc, char **argv, const OptionDef *options);
  54 void parse_arg_file(const char *filename);
  55 void print_error(const char *filename, int err);
  56
  57 #endif /* _CMD_UTILS_H */