2 * Various utilities for command line tools
3 * Copyright (c) 2000-2003 Fabrice Bellard
5 * This file is part of FFmpeg.
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.
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.
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
34 void show_help_options(const OptionDef
*options
, const char *msg
, int mask
, int value
)
40 for(po
= options
; po
->name
!= NULL
; po
++) {
42 if ((po
->flags
& mask
) == value
) {
47 av_strlcpy(buf
, po
->name
, sizeof(buf
));
48 if (po
->flags
& HAS_ARG
) {
49 av_strlcat(buf
, " ", sizeof(buf
));
50 av_strlcat(buf
, po
->argname
, sizeof(buf
));
52 printf("-%-17s %s\n", buf
, po
->help
);
57 static const OptionDef
* find_option(const OptionDef
*po
, const char *name
){
58 while (po
->name
!= NULL
) {
59 if (!strcmp(name
, po
->name
))
66 void parse_options(int argc
, char **argv
, const OptionDef
*options
,
67 void (* parse_arg_function
)(const char*))
69 const char *opt
, *arg
;
70 int optindex
, handleoptions
=1;
75 while (optindex
< argc
) {
76 opt
= argv
[optindex
++];
78 if (handleoptions
&& opt
[0] == '-' && opt
[1] != '\0') {
79 if (opt
[1] == '-' && opt
[2] == '\0') {
83 po
= find_option(options
, opt
+ 1);
85 po
= find_option(options
, "default");
88 fprintf(stderr
, "%s: unrecognized option '%s'\n", argv
[0], opt
);
92 if (po
->flags
& HAS_ARG
) {
93 arg
= argv
[optindex
++];
95 fprintf(stderr
, "%s: missing argument for option '%s'\n", argv
[0], opt
);
99 if (po
->flags
& OPT_STRING
) {
101 str
= av_strdup(arg
);
102 *po
->u
.str_arg
= str
;
103 } else if (po
->flags
& OPT_BOOL
) {
105 } else if (po
->flags
& OPT_INT
) {
106 *po
->u
.int_arg
= atoi(arg
);
107 } else if (po
->flags
& OPT_INT64
) {
108 *po
->u
.int64_arg
= strtoll(arg
, (char **)NULL
, 10);
109 } else if (po
->flags
& OPT_FLOAT
) {
110 *po
->u
.float_arg
= atof(arg
);
111 } else if (po
->flags
& OPT_FUNC2
) {
112 if(po
->u
.func2_arg(opt
+1, arg
)<0)
118 if (parse_arg_function
)
119 parse_arg_function(opt
);
124 void print_error(const char *filename
, int err
)
127 case AVERROR_NUMEXPECTED
:
128 fprintf(stderr
, "%s: Incorrect image filename syntax.\n"
129 "Use '%%d' to specify the image number:\n"
130 " for img1.jpg, img2.jpg, ..., use 'img%%d.jpg';\n"
131 " for img001.jpg, img002.jpg, ..., use 'img%%03d.jpg'.\n",
134 case AVERROR_INVALIDDATA
:
135 fprintf(stderr
, "%s: Error while parsing header\n", filename
);
138 fprintf(stderr
, "%s: Unknown format\n", filename
);
141 fprintf(stderr
, "%s: I/O error occured\n"
142 "Usually that means that input file is truncated and/or corrupted.\n",
145 case AVERROR(ENOMEM
):
146 fprintf(stderr
, "%s: memory allocation error occured\n", filename
);
148 case AVERROR(ENOENT
):
149 fprintf(stderr
, "%s: no such file or directory\n", filename
);
152 fprintf(stderr
, "%s: Error while opening file\n", filename
);
157 void show_banner(const char *program_name
, int program_birth_year
)
159 fprintf(stderr
, "%s version " FFMPEG_VERSION
", Copyright (c) %d-2007 Fabrice Bellard, et al.\n",
160 program_name
, program_birth_year
);
161 fprintf(stderr
, " configuration: " FFMPEG_CONFIGURATION
"\n");
162 fprintf(stderr
, " libavutil version: " AV_STRINGIFY(LIBAVUTIL_VERSION
) "\n");
163 fprintf(stderr
, " libavcodec version: " AV_STRINGIFY(LIBAVCODEC_VERSION
) "\n");
164 fprintf(stderr
, " libavformat version: " AV_STRINGIFY(LIBAVFORMAT_VERSION
) "\n");
165 fprintf(stderr
, " built on " __DATE__
" " __TIME__
);
167 fprintf(stderr
, ", gcc: " __VERSION__
"\n");
169 fprintf(stderr
, ", using a non-gcc compiler\n");
173 void show_version(const char *program_name
) {
174 /* TODO: add function interface to avutil and avformat */
175 printf("%s " FFMPEG_VERSION
"\n", program_name
);
176 printf("libavutil %d\n"
179 LIBAVUTIL_BUILD
, avcodec_build(), LIBAVFORMAT_BUILD
);
182 void show_license(void)
186 "FFmpeg is free software; you can redistribute it and/or modify\n"
187 "it under the terms of the GNU General Public License as published by\n"
188 "the Free Software Foundation; either version 2 of the License, or\n"
189 "(at your option) any later version.\n"
191 "FFmpeg is distributed in the hope that it will be useful,\n"
192 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
193 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
194 "GNU General Public License for more details.\n"
196 "You should have received a copy of the GNU General Public License\n"
197 "along with FFmpeg; if not, write to the Free Software\n"
198 "Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\n"
202 "FFmpeg is free software; you can redistribute it and/or\n"
203 "modify it under the terms of the GNU Lesser General Public\n"
204 "License as published by the Free Software Foundation; either\n"
205 "version 2.1 of the License, or (at your option) any later version.\n"
207 "FFmpeg is distributed in the hope that it will be useful,\n"
208 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
209 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n"
210 "Lesser General Public License for more details.\n"
212 "You should have received a copy of the GNU Lesser General Public\n"
213 "License along with FFmpeg; if not, write to the Free Software\n"
214 "Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\n"