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c6141f3 added ffplay utility
bellard authored
1 /*
2 * Various utilities for command line tools
3 * Copyright (c) 2000-2003 Fabrice Bellard
4 *
3500415 Change license headers to say 'FFmpeg' instead of 'this program/this …
diego authored
5 * This file is part of FFmpeg.
6 *
7 * FFmpeg is free software; you can redistribute it and/or
c6141f3 added ffplay utility
bellard authored
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
3500415 Change license headers to say 'FFmpeg' instead of 'this program/this …
diego authored
10 * version 2.1 of the License, or (at your option) any later version.
c6141f3 added ffplay utility
bellard authored
11 *
3500415 Change license headers to say 'FFmpeg' instead of 'this program/this …
diego authored
12 * FFmpeg is distributed in the hope that it will be useful,
c6141f3 added ffplay utility
bellard authored
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
3500415 Change license headers to say 'FFmpeg' instead of 'this program/this …
diego authored
18 * License along with FFmpeg; if not, write to the Free Software
5e6273d Update licensing information: The FSF changed postal address.
diego authored
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
c6141f3 added ffplay utility
bellard authored
20 */
ad8ee43 Move HAVE_AV_CONFIG_H definition to the Makefile like in the rest of …
diego authored
21
3b7ac48 to be able to compile without HAVE_AV_CONFIG_H
benoit authored
22 #include <string.h>
23 #include <stdlib.h>
24 #include <errno.h>
bb1d793 Make parse_options() use parse_number_or_die().
benoit authored
25 #include <math.h>
3b7ac48 to be able to compile without HAVE_AV_CONFIG_H
benoit authored
26
d6977b3 Include headers for optional libraries only when enabled.
flameeyes authored
27 /* Include only the enabled headers since some compilers (namely, Sun
28 Studio) will not omit unused inline functions and create undefined
29 references to libraries that are not being built. */
30
ffe55db cosmetics: #include config.h before all other FFmpeg headers.
diego authored
31 #include "config.h"
9c330ee Use full path for #includes from another directory.
diego authored
32 #include "libavformat/avformat.h"
33 #include "libavfilter/avfilter.h"
34 #include "libavdevice/avdevice.h"
519af40 Make show_version()/show_banner() print the libswscale versions if
stefano authored
35 #include "libswscale/swscale.h"
51ba69e Make show_banner()/show_version() print the libpostproc version
stefano authored
36 #include "libpostproc/postprocess.h"
9c330ee Use full path for #includes from another directory.
diego authored
37 #include "libavutil/avstring.h"
cf1250a Extend show_pix_fmts(), make it show input/output support for
stefano authored
38 #include "libavutil/pixdesc.h"
55b5d41 Move opt_default() and set_context_opts() to cmdutils so it can be us…
michael authored
39 #include "libavcodec/opt.h"
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bellard authored
40 #include "cmdutils.h"
65a3a9a Implement common show version and banner.
benoit authored
41 #include "version.h"
b5c8ae8 Revert part of r16593.
ramiro authored
42 #if CONFIG_NETWORK
9c330ee Use full path for #includes from another directory.
diego authored
43 #include "libavformat/network.h"
b5c8ae8 Revert part of r16593.
ramiro authored
44 #endif
1aa041f Add -timelimit option
mru authored
45 #if HAVE_SYS_RESOURCE_H
46 #include <sys/resource.h>
47 #endif
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bellard authored
48
55b5d41 Move opt_default() and set_context_opts() to cmdutils so it can be us…
michael authored
49 const char **opt_names;
50 static int opt_name_count;
ae0b14d Define AVMediaType enum, and use it instead of enum CodecType, which
stefano authored
51 AVCodecContext *avcodec_opts[AVMEDIA_TYPE_NB];
55b5d41 Move opt_default() and set_context_opts() to cmdutils so it can be us…
michael authored
52 AVFormatContext *avformat_opts;
53 struct SwsContext *sws_opts;
6de0637 parse_number_or_die()
michael authored
54
d708d10 Update this_year value.
stefano authored
55 const int this_year = 2010;
8791f32 Implement a var for containing the current year number rather than
stefano authored
56
6de0637 parse_number_or_die()
michael authored
57 double parse_number_or_die(const char *context, const char *numstr, int type, double min, double max)
58 {
59 char *tail;
60 const char *error;
61 double d = strtod(numstr, &tail);
62 if (*tail)
63 error= "Expected number for %s but found: %s\n";
64 else if (d < min || d > max)
65 error= "The value for %s was %s which is not within %f - %f\n";
66 else if(type == OPT_INT64 && (int64_t)d != d)
67 error= "Expected int64 for %s but found %s\n";
68 else
69 return d;
70 fprintf(stderr, error, context, numstr, min, max);
71 exit(1);
72 }
73
426bf79 Export parse_time_or_die from ffmpeg.c to cmdutils.c
superdump authored
74 int64_t parse_time_or_die(const char *context, const char *timestr, int is_duration)
75 {
76 int64_t us = parse_date(timestr, is_duration);
77 if (us == INT64_MIN) {
78 fprintf(stderr, "Invalid %s specification for %s: %s\n",
79 is_duration ? "duration" : "date", context, timestr);
80 exit(1);
81 }
82 return us;
83 }
84
8c50b14 more sections in help - copyright fixes
bellard authored
85 void show_help_options(const OptionDef *options, const char *msg, int mask, int value)
c6141f3 added ffplay utility
bellard authored
86 {
87 const OptionDef *po;
8c50b14 more sections in help - copyright fixes
bellard authored
88 int first;
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bellard authored
89
8c50b14 more sections in help - copyright fixes
bellard authored
90 first = 1;
91 for(po = options; po->name != NULL; po++) {
92 char buf[64];
93 if ((po->flags & mask) == value) {
94 if (first) {
95 printf("%s", msg);
96 first = 0;
97 }
438ba2f replace the uses of old string functions that Reimar missed
mru authored
98 av_strlcpy(buf, po->name, sizeof(buf));
8c50b14 more sections in help - copyright fixes
bellard authored
99 if (po->flags & HAS_ARG) {
438ba2f replace the uses of old string functions that Reimar missed
mru authored
100 av_strlcat(buf, " ", sizeof(buf));
101 av_strlcat(buf, po->argname, sizeof(buf));
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102 }
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bellard authored
103 printf("-%-17s %s\n", buf, po->help);
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bellard authored
104 }
105 }
106 }
107
d3c394b fix const warning
mru authored
108 static const OptionDef* find_option(const OptionDef *po, const char *name){
0aaffc4 AVOption API improvments
michael authored
109 while (po->name != NULL) {
110 if (!strcmp(name, po->name))
111 break;
112 po++;
113 }
114 return po;
115 }
116
13e5863 Make cmdutils.c:parse_options accept as argument a function to parse
diego authored
117 void parse_options(int argc, char **argv, const OptionDef *options,
118 void (* parse_arg_function)(const char*))
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bellard authored
119 {
120 const char *opt, *arg;
305cefc 10l in r7174 caused all options to be treated as filenames.
lorenm authored
121 int optindex, handleoptions=1;
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bellard authored
122 const OptionDef *po;
123
124 /* parse options */
125 optindex = 1;
126 while (optindex < argc) {
127 opt = argv[optindex++];
0b33aaf COSMETICS: Remove all trailing whitespace.
diego authored
128
6cacebc Add support for files that begin with a dash.
gpoirier authored
129 if (handleoptions && opt[0] == '-' && opt[1] != '\0') {
c3034dd Handle noX for OPT_BOOL X.
benoit authored
130 int bool_val = 1;
7923b38 Fix weird indent.
stefano authored
131 if (opt[1] == '-' && opt[2] == '\0') {
132 handleoptions = 0;
133 continue;
134 }
f3fe4da Factorize opt+1 out in parse_options(), simplify.
stefano authored
135 opt++;
136 po= find_option(options, opt);
137 if (!po->name && opt[0] == 'n' && opt[1] == 'o') {
c3034dd Handle noX for OPT_BOOL X.
benoit authored
138 /* handle 'no' bool option */
f3fe4da Factorize opt+1 out in parse_options(), simplify.
stefano authored
139 po = find_option(options, opt + 2);
c3034dd Handle noX for OPT_BOOL X.
benoit authored
140 if (!(po->name && (po->flags & OPT_BOOL)))
141 goto unknown_opt;
142 bool_val = 0;
143 }
0aaffc4 AVOption API improvments
michael authored
144 if (!po->name)
145 po= find_option(options, "default");
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146 if (!po->name) {
0aaffc4 AVOption API improvments
michael authored
147 unknown_opt:
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148 fprintf(stderr, "%s: unrecognized option '%s'\n", argv[0], opt);
149 exit(1);
150 }
151 arg = NULL;
152 if (po->flags & HAS_ARG) {
153 arg = argv[optindex++];
154 if (!arg) {
155 fprintf(stderr, "%s: missing argument for option '%s'\n", argv[0], opt);
156 exit(1);
157 }
158 }
159 if (po->flags & OPT_STRING) {
160 char *str;
8c50b14 more sections in help - copyright fixes
bellard authored
161 str = av_strdup(arg);
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162 *po->u.str_arg = str;
163 } else if (po->flags & OPT_BOOL) {
c3034dd Handle noX for OPT_BOOL X.
benoit authored
164 *po->u.int_arg = bool_val;
b383eef OPT_INT
michael authored
165 } else if (po->flags & OPT_INT) {
f3fe4da Factorize opt+1 out in parse_options(), simplify.
stefano authored
166 *po->u.int_arg = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
9ee38da add OPT_INT64 option
bcoudurier authored
167 } else if (po->flags & OPT_INT64) {
f3fe4da Factorize opt+1 out in parse_options(), simplify.
stefano authored
168 *po->u.int64_arg = parse_number_or_die(opt, arg, OPT_INT64, INT64_MIN, INT64_MAX);
c99f6dc OPT_FLOAT
michael authored
169 } else if (po->flags & OPT_FLOAT) {
f3fe4da Factorize opt+1 out in parse_options(), simplify.
stefano authored
170 *po->u.float_arg = parse_number_or_die(opt, arg, OPT_FLOAT, -1.0/0.0, 1.0/0.0);
0aaffc4 AVOption API improvments
michael authored
171 } else if (po->flags & OPT_FUNC2) {
0991925 Make parse_options() explicitely handle the case where an opt_func2
stefano authored
172 if (po->u.func2_arg(opt, arg) < 0) {
9b6b707 Issue a more general message when the function which sets an option
stefano authored
173 fprintf(stderr, "%s: failed to set value '%s' for option '%s'\n", argv[0], arg, opt);
0991925 Make parse_options() explicitely handle the case where an opt_func2
stefano authored
174 exit(1);
175 }
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bellard authored
176 } else {
1d9cb94 COSMETICS: tabs --> spaces, some prettyprinting
diego authored
177 po->u.func_arg(arg);
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178 }
e78c048 OPT_EXIT
michael authored
179 if(po->flags & OPT_EXIT)
180 exit(0);
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bellard authored
181 } else {
13e5863 Make cmdutils.c:parse_options accept as argument a function to parse
diego authored
182 if (parse_arg_function)
183 parse_arg_function(opt);
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bellard authored
184 }
185 }
186 }
187
55b5d41 Move opt_default() and set_context_opts() to cmdutils so it can be us…
michael authored
188 int opt_default(const char *opt, const char *arg){
189 int type;
df46f64 Fix opt_default(), making it exit immediately in case of an invalid
stefano authored
190 int ret= 0;
55b5d41 Move opt_default() and set_context_opts() to cmdutils so it can be us…
michael authored
191 const AVOption *o= NULL;
192 int opt_types[]={AV_OPT_FLAG_VIDEO_PARAM, AV_OPT_FLAG_AUDIO_PARAM, 0, AV_OPT_FLAG_SUBTITLE_PARAM, 0};
193
ae0b14d Define AVMediaType enum, and use it instead of enum CodecType, which
stefano authored
194 for(type=0; type<AVMEDIA_TYPE_NB && ret>= 0; type++){
8e03bae Rename avctx_opts to avcodec_opts.
stefano authored
195 const AVOption *o2 = av_find_opt(avcodec_opts[0], opt, NULL, opt_types[type], opt_types[type]);
55b5d41 Move opt_default() and set_context_opts() to cmdutils so it can be us…
michael authored
196 if(o2)
8e03bae Rename avctx_opts to avcodec_opts.
stefano authored
197 ret = av_set_string3(avcodec_opts[type], opt, arg, 1, &o);
55b5d41 Move opt_default() and set_context_opts() to cmdutils so it can be us…
michael authored
198 }
199 if(!o)
df46f64 Fix opt_default(), making it exit immediately in case of an invalid
stefano authored
200 ret = av_set_string3(avformat_opts, opt, arg, 1, &o);
a71c069 Make opt_default() look for options in sws_opts only if sws_opts is
stefano authored
201 if(!o && sws_opts)
df46f64 Fix opt_default(), making it exit immediately in case of an invalid
stefano authored
202 ret = av_set_string3(sws_opts, opt, arg, 1, &o);
55b5d41 Move opt_default() and set_context_opts() to cmdutils so it can be us…
michael authored
203 if(!o){
204 if(opt[0] == 'a')
ae0b14d Define AVMediaType enum, and use it instead of enum CodecType, which
stefano authored
205 ret = av_set_string3(avcodec_opts[AVMEDIA_TYPE_AUDIO], opt+1, arg, 1, &o);
55b5d41 Move opt_default() and set_context_opts() to cmdutils so it can be us…
michael authored
206 else if(opt[0] == 'v')
ae0b14d Define AVMediaType enum, and use it instead of enum CodecType, which
stefano authored
207 ret = av_set_string3(avcodec_opts[AVMEDIA_TYPE_VIDEO], opt+1, arg, 1, &o);
55b5d41 Move opt_default() and set_context_opts() to cmdutils so it can be us…
michael authored
208 else if(opt[0] == 's')
ae0b14d Define AVMediaType enum, and use it instead of enum CodecType, which
stefano authored
209 ret = av_set_string3(avcodec_opts[AVMEDIA_TYPE_SUBTITLE], opt+1, arg, 1, &o);
df46f64 Fix opt_default(), making it exit immediately in case of an invalid
stefano authored
210 }
211 if (o && ret < 0) {
212 fprintf(stderr, "Invalid value '%s' for option '%s'\n", arg, opt);
213 exit(1);
55b5d41 Move opt_default() and set_context_opts() to cmdutils so it can be us…
michael authored
214 }
e6e5f78 Make opt_default() print an error message and exit if the option
stefano authored
215 if (!o) {
216 fprintf(stderr, "Unrecognized option '%s'\n", opt);
217 exit(1);
218 }
55b5d41 Move opt_default() and set_context_opts() to cmdutils so it can be us…
michael authored
219
8e03bae Rename avctx_opts to avcodec_opts.
stefano authored
220 // av_log(NULL, AV_LOG_ERROR, "%s:%s: %f 0x%0X\n", opt, arg, av_get_double(avcodec_opts, opt, NULL), (int)av_get_int(avcodec_opts, opt, NULL));
55b5d41 Move opt_default() and set_context_opts() to cmdutils so it can be us…
michael authored
221
8e03bae Rename avctx_opts to avcodec_opts.
stefano authored
222 //FIXME we should always use avcodec_opts, ... for storing options so there will not be any need to keep track of what i set over this
55b5d41 Move opt_default() and set_context_opts() to cmdutils so it can be us…
michael authored
223 opt_names= av_realloc(opt_names, sizeof(void*)*(opt_name_count+1));
224 opt_names[opt_name_count++]= o->name;
225
8e03bae Rename avctx_opts to avcodec_opts.
stefano authored
226 if(avcodec_opts[0]->debug || avformat_opts->debug)
55b5d41 Move opt_default() and set_context_opts() to cmdutils so it can be us…
michael authored
227 av_log_set_level(AV_LOG_DEBUG);
228 return 0;
229 }
230
10703c7 Move opt_loglevel() from ffmpeg.c to cmdutils.c.
stefano authored
231 int opt_loglevel(const char *opt, const char *arg)
232 {
c309bd0 Remove superfluous const.
cehoyos authored
233 const struct { const char *name; int level; } log_levels[] = {
10703c7 Move opt_loglevel() from ffmpeg.c to cmdutils.c.
stefano authored
234 { "quiet" , AV_LOG_QUIET },
235 { "panic" , AV_LOG_PANIC },
236 { "fatal" , AV_LOG_FATAL },
237 { "error" , AV_LOG_ERROR },
238 { "warning", AV_LOG_WARNING },
239 { "info" , AV_LOG_INFO },
240 { "verbose", AV_LOG_VERBOSE },
241 { "debug" , AV_LOG_DEBUG },
242 };
243 char *tail;
244 int level;
245 int i;
246
247 for (i = 0; i < FF_ARRAY_ELEMS(log_levels); i++) {
248 if (!strcmp(log_levels[i].name, arg)) {
249 av_log_set_level(log_levels[i].level);
250 return 0;
251 }
252 }
253
254 level = strtol(arg, &tail, 10);
255 if (*tail) {
256 fprintf(stderr, "Invalid loglevel \"%s\". "
257 "Possible levels are numbers or:\n", arg);
258 for (i = 0; i < FF_ARRAY_ELEMS(log_levels); i++)
259 fprintf(stderr, "\"%s\"\n", log_levels[i].name);
260 exit(1);
261 }
262 av_log_set_level(level);
263 return 0;
264 }
265
1aa041f Add -timelimit option
mru authored
266 int opt_timelimit(const char *opt, const char *arg)
267 {
6d445a7 Check for setrlimit()
mru authored
268 #if HAVE_SETRLIMIT
1aa041f Add -timelimit option
mru authored
269 int lim = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
270 struct rlimit rl = { lim, lim + 1 };
271 if (setrlimit(RLIMIT_CPU, &rl))
272 perror("setrlimit");
273 #else
274 fprintf(stderr, "Warning: -%s not implemented on this OS\n", opt);
275 #endif
276 return 0;
277 }
278
55b5d41 Move opt_default() and set_context_opts() to cmdutils so it can be us…
michael authored
279 void set_context_opts(void *ctx, void *opts_ctx, int flags)
280 {
281 int i;
282 for(i=0; i<opt_name_count; i++){
283 char buf[256];
284 const AVOption *opt;
285 const char *str= av_get_string(opts_ctx, opt_names[i], &opt, buf, sizeof(buf));
286 /* if an option with name opt_names[i] is present in opts_ctx then str is non-NULL */
287 if(str && ((opt->flags & flags) == flags))
ba3758d Remove calls to deprecated av_set_string2() with calls to
stefano authored
288 av_set_string3(ctx, opt_names[i], str, 1, NULL);
55b5d41 Move opt_default() and set_context_opts() to cmdutils so it can be us…
michael authored
289 }
290 }
291
c6141f3 added ffplay utility
bellard authored
292 void print_error(const char *filename, int err)
293 {
a175a04 Use av_strerror() in print_error().
stefano authored
294 char errbuf[128];
7e0242c Make print_error() use strerror() in case av_strerror() fails.
stefano authored
295 const char *errbuf_ptr = errbuf;
a175a04 Use av_strerror() in print_error().
stefano authored
296
c4ccb0a Reindent after the last commit.
stefano authored
297 if (av_strerror(err, errbuf, sizeof(errbuf)) < 0)
298 errbuf_ptr = strerror(AVUNERROR(err));
299 fprintf(stderr, "%s: %s\n", filename, errbuf_ptr);
c6141f3 added ffplay utility
bellard authored
300 }
af99c1a Implement the cmdutils.c show_license function.
benoit authored
301
29aa54f Prettify PRINT_LIB_VERSION macro
mru authored
302 #define PRINT_LIB_VERSION(outstream,libname,LIBNAME,indent) \
303 if (CONFIG_##LIBNAME) { \
2be06fa Declare variable "version" in the PRINT_LIB_VERSION() macro if block,
stefano authored
304 unsigned int version = libname##_version(); \
29aa54f Prettify PRINT_LIB_VERSION macro
mru authored
305 fprintf(outstream, "%slib%-10s %2d.%2d.%2d / %2d.%2d.%2d\n", \
306 indent? " " : "", #libname, \
307 LIB##LIBNAME##_VERSION_MAJOR, \
308 LIB##LIBNAME##_VERSION_MINOR, \
309 LIB##LIBNAME##_VERSION_MICRO, \
310 version >> 16, version >> 8 & 0xff, version & 0xff); \
d22fc7b Get rid of ifdeffery for printing library versions and configurations
mru authored
311 }
a279e4c Make show_banner() and show_version() print both the compile-time and…
stefano authored
312
4a02836 Mark print_all_lib_versions() static in cmdutils.c . Patch by Diego P…
lu_zero authored
313 static void print_all_lib_versions(FILE* outstream, int indent)
a279e4c Make show_banner() and show_version() print both the compile-time and…
stefano authored
314 {
874e1db Cosmetics: vertical align in print_all_lib_versions().
stefano authored
315 PRINT_LIB_VERSION(outstream, avutil, AVUTIL, indent);
316 PRINT_LIB_VERSION(outstream, avcodec, AVCODEC, indent);
a279e4c Make show_banner() and show_version() print both the compile-time and…
stefano authored
317 PRINT_LIB_VERSION(outstream, avformat, AVFORMAT, indent);
318 PRINT_LIB_VERSION(outstream, avdevice, AVDEVICE, indent);
319 PRINT_LIB_VERSION(outstream, avfilter, AVFILTER, indent);
874e1db Cosmetics: vertical align in print_all_lib_versions().
stefano authored
320 PRINT_LIB_VERSION(outstream, swscale, SWSCALE, indent);
51ba69e Make show_banner()/show_version() print the libpostproc version
stefano authored
321 PRINT_LIB_VERSION(outstream, postproc, POSTPROC, indent);
a279e4c Make show_banner() and show_version() print both the compile-time and…
stefano authored
322 }
323
ab369a2 Print config of each lib if different from that of ffmpeg/ffplay/ffse…
mru authored
324 static void maybe_print_config(const char *lib, const char *cfg)
325 {
326 static int warned_cfg;
327
328 if (strcmp(FFMPEG_CONFIGURATION, cfg)) {
329 if (!warned_cfg) {
330 fprintf(stderr, " WARNING: library configuration mismatch\n");
331 warned_cfg = 1;
332 }
333 fprintf(stderr, " %-11s configuration: %s\n", lib, cfg);
334 }
335 }
336
d22fc7b Get rid of ifdeffery for printing library versions and configurations
mru authored
337 #define PRINT_LIB_CONFIG(lib, tag, cfg) do { \
338 if (CONFIG_##lib) \
339 maybe_print_config(tag, cfg); \
340 } while (0)
341
d79977a Simplify show_banner() so that it does not require arguments, similar
diego authored
342 void show_banner(void)
65a3a9a Implement common show version and banner.
benoit authored
343 {
050ecb8 FFmpeg is a collective effort so allowing a single name in a banner is
stefano authored
344 fprintf(stderr, "%s version " FFMPEG_VERSION ", Copyright (c) %d-%d the FFmpeg developers\n",
8791f32 Implement a var for containing the current year number rather than
stefano authored
345 program_name, program_birth_year, this_year);
f941649 Improve compiler information code to print to the console on program …
diego authored
346 fprintf(stderr, " built on %s %s with %s %s\n",
347 __DATE__, __TIME__, CC_TYPE, CC_VERSION);
1ac27b5 Print compiler version and build date before configuration in console…
diego authored
348 fprintf(stderr, " configuration: " FFMPEG_CONFIGURATION "\n");
d22fc7b Get rid of ifdeffery for printing library versions and configurations
mru authored
349 PRINT_LIB_CONFIG(AVUTIL, "libavutil", avutil_configuration());
350 PRINT_LIB_CONFIG(AVCODEC, "libavcodec", avcodec_configuration());
351 PRINT_LIB_CONFIG(AVFORMAT, "libavformat", avformat_configuration());
352 PRINT_LIB_CONFIG(AVDEVICE, "libavdevice", avdevice_configuration());
353 PRINT_LIB_CONFIG(AVFILTER, "libavfilter", avfilter_configuration());
354 PRINT_LIB_CONFIG(SWSCALE, "libswscale", swscale_configuration());
355 PRINT_LIB_CONFIG(POSTPROC, "libpostproc", postproc_configuration());
1ac27b5 Print compiler version and build date before configuration in console…
diego authored
356 print_all_lib_versions(stderr, 1);
65a3a9a Implement common show version and banner.
benoit authored
357 }
358
99bc41e Do not pass program_name as argument to show_version(), this allows some
michael authored
359 void show_version(void) {
65a3a9a Implement common show version and banner.
benoit authored
360 printf("%s " FFMPEG_VERSION "\n", program_name);
a279e4c Make show_banner() and show_version() print both the compile-time and…
stefano authored
361 print_all_lib_versions(stdout, 0);
65a3a9a Implement common show version and banner.
benoit authored
362 }
363
af99c1a Implement the cmdutils.c show_license function.
benoit authored
364 void show_license(void)
365 {
2761d1d Do not print an (L)GPL license statement when nonfree parts have been…
diego authored
366 printf(
feaafaa Factorize initial "printf(" and ");" in show_license().
stefano authored
367 #if CONFIG_NONFREE
b44a5b1 Print the program_name rather than always "FFmpeg" when showing the
stefano authored
368 "This version of %s has nonfree parts compiled in.\n"
369 "Therefore it is not legally redistributable.\n",
370 program_name
d66630d Add configure option to upgrade (L)GPL to version 3.
diego authored
371 #elif CONFIG_GPLV3
372 "%s is free software; you can redistribute it and/or modify\n"
373 "it under the terms of the GNU General Public License as published by\n"
374 "the Free Software Foundation; either version 3 of the License, or\n"
375 "(at your option) any later version.\n"
376 "\n"
377 "%s is distributed in the hope that it will be useful,\n"
378 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
379 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
380 "GNU General Public License for more details.\n"
381 "\n"
382 "You should have received a copy of the GNU General Public License\n"
383 "along with %s. If not, see <http://www.gnu.org/licenses/>.\n",
384 program_name, program_name, program_name
2761d1d Do not print an (L)GPL license statement when nonfree parts have been…
diego authored
385 #elif CONFIG_GPL
b44a5b1 Print the program_name rather than always "FFmpeg" when showing the
stefano authored
386 "%s is free software; you can redistribute it and/or modify\n"
af99c1a Implement the cmdutils.c show_license function.
benoit authored
387 "it under the terms of the GNU General Public License as published by\n"
388 "the Free Software Foundation; either version 2 of the License, or\n"
389 "(at your option) any later version.\n"
390 "\n"
b44a5b1 Print the program_name rather than always "FFmpeg" when showing the
stefano authored
391 "%s is distributed in the hope that it will be useful,\n"
af99c1a Implement the cmdutils.c show_license function.
benoit authored
392 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
393 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
394 "GNU General Public License for more details.\n"
395 "\n"
396 "You should have received a copy of the GNU General Public License\n"
b44a5b1 Print the program_name rather than always "FFmpeg" when showing the
stefano authored
397 "along with %s; if not, write to the Free Software\n"
398 "Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\n",
399 program_name, program_name, program_name
d66630d Add configure option to upgrade (L)GPL to version 3.
diego authored
400 #elif CONFIG_LGPLV3
401 "%s is free software; you can redistribute it and/or modify\n"
402 "it under the terms of the GNU Lesser General Public License as published by\n"
403 "the Free Software Foundation; either version 3 of the License, or\n"
404 "(at your option) any later version.\n"
405 "\n"
406 "%s is distributed in the hope that it will be useful,\n"
407 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
408 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
409 "GNU Lesser General Public License for more details.\n"
410 "\n"
411 "You should have received a copy of the GNU Lesser General Public License\n"
412 "along with %s. If not, see <http://www.gnu.org/licenses/>.\n",
413 program_name, program_name, program_name
af99c1a Implement the cmdutils.c show_license function.
benoit authored
414 #else
b44a5b1 Print the program_name rather than always "FFmpeg" when showing the
stefano authored
415 "%s is free software; you can redistribute it and/or\n"
af99c1a Implement the cmdutils.c show_license function.
benoit authored
416 "modify it under the terms of the GNU Lesser General Public\n"
417 "License as published by the Free Software Foundation; either\n"
418 "version 2.1 of the License, or (at your option) any later version.\n"
419 "\n"
b44a5b1 Print the program_name rather than always "FFmpeg" when showing the
stefano authored
420 "%s is distributed in the hope that it will be useful,\n"
af99c1a Implement the cmdutils.c show_license function.
benoit authored
421 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
422 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n"
423 "Lesser General Public License for more details.\n"
424 "\n"
425 "You should have received a copy of the GNU Lesser General Public\n"
b44a5b1 Print the program_name rather than always "FFmpeg" when showing the
stefano authored
426 "License along with %s; if not, write to the Free Software\n"
427 "Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\n",
428 program_name, program_name, program_name
af99c1a Implement the cmdutils.c show_license function.
benoit authored
429 #endif
feaafaa Factorize initial "printf(" and ");" in show_license().
stefano authored
430 );
af99c1a Implement the cmdutils.c show_license function.
benoit authored
431 }
f82e840 Move show_formats() to cmdutils.c.
takis authored
432
fbb0de7 Move list_fmts() from ffmpeg.c to cmdutils.{h,c}, so that it can be
stefano authored
433 void list_fmts(void (*get_fmt_string)(char *buf, int buf_size, int fmt), int nb_fmts)
434 {
435 int i;
436 char fmt_str[128];
437 for (i=-1; i < nb_fmts; i++) {
438 get_fmt_string (fmt_str, sizeof(fmt_str), i);
439 fprintf(stdout, "%s\n", fmt_str);
440 }
441 }
442
f82e840 Move show_formats() to cmdutils.c.
takis authored
443 void show_formats(void)
444 {
445 AVInputFormat *ifmt=NULL;
446 AVOutputFormat *ofmt=NULL;
447 const char *last_name;
448
04afd71 Document the output of ffmpeg -formats.
cehoyos authored
449 printf(
450 "File formats:\n"
451 " D. = Demuxing supported\n"
452 " .E = Muxing supported\n"
453 " --\n");
f82e840 Move show_formats() to cmdutils.c.
takis authored
454 last_name= "000";
455 for(;;){
456 int decode=0;
457 int encode=0;
458 const char *name=NULL;
459 const char *long_name=NULL;
460
461 while((ofmt= av_oformat_next(ofmt))) {
462 if((name == NULL || strcmp(ofmt->name, name)<0) &&
463 strcmp(ofmt->name, last_name)>0){
464 name= ofmt->name;
465 long_name= ofmt->long_name;
466 encode=1;
467 }
468 }
469 while((ifmt= av_iformat_next(ifmt))) {
470 if((name == NULL || strcmp(ifmt->name, name)<0) &&
471 strcmp(ifmt->name, last_name)>0){
472 name= ifmt->name;
473 long_name= ifmt->long_name;
474 encode=0;
475 }
476 if(name && strcmp(ifmt->name, name)==0)
477 decode=1;
478 }
479 if(name==NULL)
480 break;
481 last_name= name;
482
483 printf(
484 " %s%s %-15s %s\n",
485 decode ? "D":" ",
486 encode ? "E":" ",
487 name,
488 long_name ? long_name:" ");
489 }
38ba66e Split show_formats().
michael authored
490 }
f82e840 Move show_formats() to cmdutils.c.
takis authored
491
38ba66e Split show_formats().
michael authored
492 void show_codecs(void)
493 {
494 AVCodec *p=NULL, *p2;
495 const char *last_name;
04afd71 Document the output of ffmpeg -formats.
cehoyos authored
496 printf(
497 "Codecs:\n"
498 " D..... = Decoding supported\n"
499 " .E.... = Encoding supported\n"
500 " ..V... = Video codec\n"
501 " ..A... = Audio codec\n"
502 " ..S... = Subtitle codec\n"
503 " ...S.. = Supports draw_horiz_band\n"
504 " ....D. = Supports direct rendering method 1\n"
505 " .....T = Supports weird frame truncation\n"
506 " ------\n");
f82e840 Move show_formats() to cmdutils.c.
takis authored
507 last_name= "000";
508 for(;;){
509 int decode=0;
510 int encode=0;
511 int cap=0;
512 const char *type_str;
513
514 p2=NULL;
515 while((p= av_codec_next(p))) {
516 if((p2==NULL || strcmp(p->name, p2->name)<0) &&
517 strcmp(p->name, last_name)>0){
518 p2= p;
519 decode= encode= cap=0;
520 }
521 if(p2 && strcmp(p->name, p2->name)==0){
522 if(p->decode) decode=1;
523 if(p->encode) encode=1;
524 cap |= p->capabilities;
525 }
526 }
527 if(p2==NULL)
528 break;
529 last_name= p2->name;
530
531 switch(p2->type) {
ae0b14d Define AVMediaType enum, and use it instead of enum CodecType, which
stefano authored
532 case AVMEDIA_TYPE_VIDEO:
f82e840 Move show_formats() to cmdutils.c.
takis authored
533 type_str = "V";
534 break;
ae0b14d Define AVMediaType enum, and use it instead of enum CodecType, which
stefano authored
535 case AVMEDIA_TYPE_AUDIO:
f82e840 Move show_formats() to cmdutils.c.
takis authored
536 type_str = "A";
537 break;
ae0b14d Define AVMediaType enum, and use it instead of enum CodecType, which
stefano authored
538 case AVMEDIA_TYPE_SUBTITLE:
f82e840 Move show_formats() to cmdutils.c.
takis authored
539 type_str = "S";
540 break;
541 default:
542 type_str = "?";
543 break;
544 }
545 printf(
546 " %s%s%s%s%s%s %-15s %s",
547 decode ? "D": (/*p2->decoder ? "d":*/" "),
548 encode ? "E":" ",
549 type_str,
550 cap & CODEC_CAP_DRAW_HORIZ_BAND ? "S":" ",
551 cap & CODEC_CAP_DR1 ? "D":" ",
552 cap & CODEC_CAP_TRUNCATED ? "T":" ",
553 p2->name,
554 p2->long_name ? p2->long_name : "");
555 /* if(p2->decoder && decode==0)
556 printf(" use %s for decoding", p2->decoder->name);*/
557 printf("\n");
558 }
559 printf("\n");
38ba66e Split show_formats().
michael authored
560 printf(
561 "Note, the names of encoders and decoders do not always match, so there are\n"
562 "several cases where the above table shows encoder only or decoder only entries\n"
563 "even though both encoding and decoding are supported. For example, the h263\n"
564 "decoder corresponds to the h263 and h263p encoders, for file formats it is even\n"
565 "worse.\n");
566 }
567
568 void show_bsfs(void)
569 {
570 AVBitStreamFilter *bsf=NULL;
f82e840 Move show_formats() to cmdutils.c.
takis authored
571
572 printf("Bitstream filters:\n");
573 while((bsf = av_bitstream_filter_next(bsf)))
2c36331 Make show_formats() print each bitstream filter on a separate line.
stefano authored
574 printf("%s\n", bsf->name);
f82e840 Move show_formats() to cmdutils.c.
takis authored
575 printf("\n");
38ba66e Split show_formats().
michael authored
576 }
577
578 void show_protocols(void)
579 {
580 URLProtocol *up=NULL;
f82e840 Move show_formats() to cmdutils.c.
takis authored
581
582 printf("Supported file protocols:\n");
583 while((up = av_protocol_next(up)))
2d436e4 Make show_protocols() print one protocol per line.
stefano authored
584 printf("%s\n", up->name);
f82e840 Move show_formats() to cmdutils.c.
takis authored
585 }
ba515dd Implement read_yesno().
stefano authored
586
1fdf08f Implement a -filters option, listing all the available libavfilter
stefano authored
587 void show_filters(void)
588 {
af8ae3d Mark conditionally used variable as av_unused, fixes the warning:
diego authored
589 AVFilter av_unused(**filter) = NULL;
1fdf08f Implement a -filters option, listing all the available libavfilter
stefano authored
590
591 printf("Filters:\n");
797b164 Only list libavfilter filter if libavfilter has been enabled during
stefano authored
592 #if CONFIG_AVFILTER
1fdf08f Implement a -filters option, listing all the available libavfilter
stefano authored
593 while ((filter = av_filter_next(filter)) && *filter)
594 printf("%-16s %s\n", (*filter)->name, (*filter)->description);
797b164 Only list libavfilter filter if libavfilter has been enabled during
stefano authored
595 #endif
1fdf08f Implement a -filters option, listing all the available libavfilter
stefano authored
596 }
597
78111c2 Implement a -pix_fmts foption or listing all the supported pixel
stefano authored
598 void show_pix_fmts(void)
599 {
cf1250a Extend show_pix_fmts(), make it show input/output support for
stefano authored
600 enum PixelFormat pix_fmt;
601
602 printf(
603 "Pixel formats:\n"
604 "I.... = Supported Input format for conversion\n"
605 ".O... = Supported Output format for conversion\n"
606 "..H.. = Hardware accelerated format\n"
607 "...P. = Paletted format\n"
608 "....B = Bitstream format\n"
609 "FLAGS NAME NB_COMPONENTS BITS_PER_PIXEL\n"
610 "-----\n");
611
ec0893d Fix build with swscale disabled
mru authored
612 #if !CONFIG_SWSCALE
613 # define sws_isSupportedInput(x) 0
614 # define sws_isSupportedOutput(x) 0
615 #endif
616
cf1250a Extend show_pix_fmts(), make it show input/output support for
stefano authored
617 for (pix_fmt = 0; pix_fmt < PIX_FMT_NB; pix_fmt++) {
618 const AVPixFmtDescriptor *pix_desc = &av_pix_fmt_descriptors[pix_fmt];
619 printf("%c%c%c%c%c %-16s %d %2d\n",
620 sws_isSupportedInput (pix_fmt) ? 'I' : '.',
621 sws_isSupportedOutput(pix_fmt) ? 'O' : '.',
622 pix_desc->flags & PIX_FMT_HWACCEL ? 'H' : '.',
623 pix_desc->flags & PIX_FMT_PAL ? 'P' : '.',
624 pix_desc->flags & PIX_FMT_BITSTREAM ? 'B' : '.',
625 pix_desc->name,
626 pix_desc->nb_components,
627 av_get_bits_per_pixel(pix_desc));
628 }
78111c2 Implement a -pix_fmts foption or listing all the supported pixel
stefano authored
629 }
630
ba515dd Implement read_yesno().
stefano authored
631 int read_yesno(void)
632 {
633 int c = getchar();
634 int yesno = (toupper(c) == 'Y');
635
636 while (c != '\n' && c != EOF)
637 c = getchar();
638
639 return yesno;
640 }
42a2ed8 Implement cmdutils.c:read_file(), and use it in ffmpeg.c for reading
stefano authored
641
642 int read_file(const char *filename, char **bufptr, size_t *size)
643 {
c26fb4b Open 2-pass logfile in binary mode for both reading and writing.
ramiro authored
644 FILE *f = fopen(filename, "rb");
42a2ed8 Implement cmdutils.c:read_file(), and use it in ffmpeg.c for reading
stefano authored
645
646 if (!f) {
647 fprintf(stderr, "Cannot read file '%s': %s\n", filename, strerror(errno));
648 return AVERROR(errno);
649 }
650 fseek(f, 0, SEEK_END);
651 *size = ftell(f);
652 fseek(f, 0, SEEK_SET);
653 *bufptr = av_malloc(*size + 1);
654 if (!*bufptr) {
655 fprintf(stderr, "Could not allocate file buffer\n");
656 fclose(f);
657 return AVERROR(ENOMEM);
658 }
659 fread(*bufptr, 1, *size, f);
660 (*bufptr)[*size++] = '\0';
661
662 fclose(f);
663 return 0;
664 }
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