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"