-#ifndef _CMD_UTILS_H
-#define _CMD_UTILS_H
+/*
+ * Various utilities for command line tools
+ * copyright (c) 2003 Fabrice Bellard
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef FFMPEG_CMDUTILS_H
+#define FFMPEG_CMDUTILS_H
typedef struct {
const char *name;
#define OPT_AUDIO 0x0020
#define OPT_GRAB 0x0040
#define OPT_INT 0x0080
-#define OPT_FLOAT 0x0080
- union {
- void (*func_arg)(const char *);
+#define OPT_FLOAT 0x0100
+#define OPT_SUBTITLE 0x0200
+#define OPT_FUNC2 0x0400
+#define OPT_INT64 0x0800
+ union {
+ void (*func_arg)(const char *); //FIXME passing error code as int return would be nicer then exit() in the func
int *int_arg;
char **str_arg;
float *float_arg;
+ int (*func2_arg)(const char *, const char *);
+ int64_t *int64_arg;
} u;
const char *help;
const char *argname;
} OptionDef;
void show_help_options(const OptionDef *options, const char *msg, int mask, int value);
-void parse_options(int argc, char **argv, const OptionDef *options);
-void parse_arg_file(const char *filename);
+
+/**
+ * Parses the command line arguments.
+ * @param options Array with the definitions required to interpret every
+ * option of the form: -<option_name> [<argument>]
+ * @param parse_arg_function Name of the function called to process every
+ * argument without a leading option name flag. NULL if such arguments do
+ * not have to be processed.
+ */
+void parse_options(int argc, char **argv, const OptionDef *options,
+ void (* parse_arg_function)(const char*));
+
void print_error(const char *filename, int err);
-#endif /* _CMD_UTILS_H */
+/**
+ * Prints the banner of the program on stderr. The banner message
+ * depends on the current versions of the repository and of the libav*
+ * libraries.
+ * @param program_name Name of the program.
+ * @param program_birth_year Year of birth of the program.
+ */
+void show_banner(const char *program_name, int program_birth_year);
+
+/**
+ * Prints the version of the program on stdout. The version message
+ * depends on the current versions of the repository and of the libav*
+ * libraries.
+ * @param program_name Name of the program.
+ */
+void show_version(const char *program_name);
+
+/**
+ * Prints on stdout the license of the program, which depends on the license of
+ * the compiled libav* libraries.
+ */
+void show_license(void);
+
+#endif /* FFMPEG_CMDUTILS_H */