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
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. */
32 #include "libavformat/avformat.h"
33 #include "libavfilter/avfilter.h"
34 #include "libavdevice/avdevice.h"
35 #include "libswscale/swscale.h"
36 #include "libpostproc/postprocess.h"
37 #include "libavutil/avstring.h"
38 #include "libavcodec/opt.h"
42 #include "libavformat/network.h"
44 #if HAVE_SYS_RESOURCE_H
45 #include <sys/resource.h>
50 const char **opt_names;
51 static int opt_name_count;
52 AVCodecContext *avcodec_opts[CODEC_TYPE_NB];
53 AVFormatContext *avformat_opts;
54 struct SwsContext *sws_opts;
56 const int this_year = 2010;
58 double parse_number_or_die(const char *context, const char *numstr, int type, double min, double max)
62 double d = strtod(numstr, &tail);
64 error= "Expected number for %s but found: %s\n";
65 else if (d < min || d > max)
66 error= "The value for %s was %s which is not within %f - %f\n";
67 else if(type == OPT_INT64 && (int64_t)d != d)
68 error= "Expected int64 for %s but found %s\n";
71 fprintf(stderr, error, context, numstr, min, max);
75 int64_t parse_time_or_die(const char *context, const char *timestr, int is_duration)
77 int64_t us = parse_date(timestr, is_duration);
78 if (us == INT64_MIN) {
79 fprintf(stderr, "Invalid %s specification for %s: %s\n",
80 is_duration ? "duration" : "date", context, timestr);
86 void show_help_options(const OptionDef *options, const char *msg, int mask, int value)
92 for(po = options; po->name != NULL; po++) {
94 if ((po->flags & mask) == value) {
99 av_strlcpy(buf, po->name, sizeof(buf));
100 if (po->flags & HAS_ARG) {
101 av_strlcat(buf, " ", sizeof(buf));
102 av_strlcat(buf, po->argname, sizeof(buf));
104 printf("-%-17s %s\n", buf, po->help);
109 static const OptionDef* find_option(const OptionDef *po, const char *name){
110 while (po->name != NULL) {
111 if (!strcmp(name, po->name))
118 void parse_options(int argc, char **argv, const OptionDef *options,
119 void (* parse_arg_function)(const char*))
121 const char *opt, *arg;
122 int optindex, handleoptions=1;
127 while (optindex < argc) {
128 opt = argv[optindex++];
130 if (handleoptions && opt[0] == '-' && opt[1] != '\0') {
132 if (opt[1] == '-' && opt[2] == '\0') {
137 po= find_option(options, opt);
138 if (!po->name && opt[0] == 'n' && opt[1] == 'o') {
139 /* handle 'no' bool option */
140 po = find_option(options, opt + 2);
141 if (!(po->name && (po->flags & OPT_BOOL)))
146 po= find_option(options, "default");
149 fprintf(stderr, "%s: unrecognized option '%s'\n", argv[0], opt);
153 if (po->flags & HAS_ARG) {
154 arg = argv[optindex++];
156 fprintf(stderr, "%s: missing argument for option '%s'\n", argv[0], opt);
160 if (po->flags & OPT_STRING) {
162 str = av_strdup(arg);
163 *po->u.str_arg = str;
164 } else if (po->flags & OPT_BOOL) {
165 *po->u.int_arg = bool_val;
166 } else if (po->flags & OPT_INT) {
167 *po->u.int_arg = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
168 } else if (po->flags & OPT_INT64) {
169 *po->u.int64_arg = parse_number_or_die(opt, arg, OPT_INT64, INT64_MIN, INT64_MAX);
170 } else if (po->flags & OPT_FLOAT) {
171 *po->u.float_arg = parse_number_or_die(opt, arg, OPT_FLOAT, -1.0/0.0, 1.0/0.0);
172 } else if (po->flags & OPT_FUNC2) {
173 if(po->u.func2_arg(opt, arg)<0)
178 if(po->flags & OPT_EXIT)
181 if (parse_arg_function)
182 parse_arg_function(opt);
187 int opt_default(const char *opt, const char *arg){
190 const AVOption *o= NULL;
191 int opt_types[]={AV_OPT_FLAG_VIDEO_PARAM, AV_OPT_FLAG_AUDIO_PARAM, 0, AV_OPT_FLAG_SUBTITLE_PARAM, 0};
193 for(type=0; type<CODEC_TYPE_NB && ret>= 0; type++){
194 const AVOption *o2 = av_find_opt(avcodec_opts[0], opt, NULL, opt_types[type], opt_types[type]);
196 ret = av_set_string3(avcodec_opts[type], opt, arg, 1, &o);
199 ret = av_set_string3(avformat_opts, opt, arg, 1, &o);
201 ret = av_set_string3(sws_opts, opt, arg, 1, &o);
204 ret = av_set_string3(avcodec_opts[CODEC_TYPE_AUDIO], opt+1, arg, 1, &o);
205 else if(opt[0] == 'v')
206 ret = av_set_string3(avcodec_opts[CODEC_TYPE_VIDEO], opt+1, arg, 1, &o);
207 else if(opt[0] == 's')
208 ret = av_set_string3(avcodec_opts[CODEC_TYPE_SUBTITLE], opt+1, arg, 1, &o);
211 fprintf(stderr, "Invalid value '%s' for option '%s'\n", arg, opt);
217 // 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));
219 //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
220 opt_names= av_realloc(opt_names, sizeof(void*)*(opt_name_count+1));
221 opt_names[opt_name_count++]= o->name;
223 if(avcodec_opts[0]->debug || avformat_opts->debug)
224 av_log_set_level(AV_LOG_DEBUG);
228 int opt_loglevel(const char *opt, const char *arg)
230 const struct { const char *name; int level; } log_levels[] = {
231 { "quiet" , AV_LOG_QUIET },
232 { "panic" , AV_LOG_PANIC },
233 { "fatal" , AV_LOG_FATAL },
234 { "error" , AV_LOG_ERROR },
235 { "warning", AV_LOG_WARNING },
236 { "info" , AV_LOG_INFO },
237 { "verbose", AV_LOG_VERBOSE },
238 { "debug" , AV_LOG_DEBUG },
244 for (i = 0; i < FF_ARRAY_ELEMS(log_levels); i++) {
245 if (!strcmp(log_levels[i].name, arg)) {
246 av_log_set_level(log_levels[i].level);
251 level = strtol(arg, &tail, 10);
253 fprintf(stderr, "Invalid loglevel \"%s\". "
254 "Possible levels are numbers or:\n", arg);
255 for (i = 0; i < FF_ARRAY_ELEMS(log_levels); i++)
256 fprintf(stderr, "\"%s\"\n", log_levels[i].name);
259 av_log_set_level(level);
263 int opt_timelimit(const char *opt, const char *arg)
265 #if HAVE_SYS_RESOURCE_H
266 int lim = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
267 struct rlimit rl = { lim, lim + 1 };
268 if (setrlimit(RLIMIT_CPU, &rl))
271 fprintf(stderr, "Warning: -%s not implemented on this OS\n", opt);
276 void set_context_opts(void *ctx, void *opts_ctx, int flags)
279 for(i=0; i<opt_name_count; i++){
282 const char *str= av_get_string(opts_ctx, opt_names[i], &opt, buf, sizeof(buf));
283 /* if an option with name opt_names[i] is present in opts_ctx then str is non-NULL */
284 if(str && ((opt->flags & flags) == flags))
285 av_set_string3(ctx, opt_names[i], str, 1, NULL);
289 void print_error(const char *filename, int err)
292 case AVERROR_NUMEXPECTED:
293 fprintf(stderr, "%s: Incorrect image filename syntax.\n"
294 "Use '%%d' to specify the image number:\n"
295 " for img1.jpg, img2.jpg, ..., use 'img%%d.jpg';\n"
296 " for img001.jpg, img002.jpg, ..., use 'img%%03d.jpg'.\n",
299 case AVERROR_INVALIDDATA:
300 fprintf(stderr, "%s: Error while parsing header\n", filename);
303 fprintf(stderr, "%s: Unknown format\n", filename);
306 fprintf(stderr, "%s: I/O error occurred\n"
307 "Usually that means that input file is truncated and/or corrupted.\n",
310 case AVERROR(ENOMEM):
311 fprintf(stderr, "%s: memory allocation error occurred\n", filename);
313 case AVERROR(ENOENT):
314 fprintf(stderr, "%s: no such file or directory\n", filename);
317 case AVERROR(FF_NETERROR(EPROTONOSUPPORT)):
318 fprintf(stderr, "%s: Unsupported network protocol\n", filename);
322 fprintf(stderr, "%s: Error while opening file\n", filename);
327 #define PRINT_LIB_VERSION(outstream,libname,LIBNAME,indent) \
328 version= libname##_version(); \
329 fprintf(outstream, "%slib%-10s %2d.%2d.%2d / %2d.%2d.%2d\n", indent? " " : "", #libname, \
330 LIB##LIBNAME##_VERSION_MAJOR, LIB##LIBNAME##_VERSION_MINOR, LIB##LIBNAME##_VERSION_MICRO, \
331 version >> 16, version >> 8 & 0xff, version & 0xff);
333 static void print_all_lib_versions(FILE* outstream, int indent)
335 unsigned int version;
336 PRINT_LIB_VERSION(outstream, avutil, AVUTIL, indent);
337 PRINT_LIB_VERSION(outstream, avcodec, AVCODEC, indent);
338 PRINT_LIB_VERSION(outstream, avformat, AVFORMAT, indent);
339 PRINT_LIB_VERSION(outstream, avdevice, AVDEVICE, indent);
341 PRINT_LIB_VERSION(outstream, avfilter, AVFILTER, indent);
343 PRINT_LIB_VERSION(outstream, swscale, SWSCALE, indent);
345 PRINT_LIB_VERSION(outstream, postproc, POSTPROC, indent);
349 void show_banner(void)
351 fprintf(stderr, "%s version " FFMPEG_VERSION ", Copyright (c) %d-%d Fabrice Bellard, et al.\n",
352 program_name, program_birth_year, this_year);
353 fprintf(stderr, " built on %s %s with %s %s\n",
354 __DATE__, __TIME__, CC_TYPE, CC_VERSION);
355 fprintf(stderr, " configuration: " FFMPEG_CONFIGURATION "\n");
356 print_all_lib_versions(stderr, 1);
359 void show_version(void) {
360 printf("%s " FFMPEG_VERSION "\n", program_name);
361 print_all_lib_versions(stdout, 0);
364 void show_license(void)
368 "This version of %s has nonfree parts compiled in.\n"
369 "Therefore it is not legally redistributable.\n",
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"
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"
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
386 "%s is free software; you can redistribute it and/or modify\n"
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"
391 "%s is distributed in the hope that it will be useful,\n"
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"
396 "You should have received a copy of the GNU General Public License\n"
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
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"
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"
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
415 "%s is free software; you can redistribute it and/or\n"
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"
420 "%s is distributed in the hope that it will be useful,\n"
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"
425 "You should have received a copy of the GNU Lesser General Public\n"
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
433 void list_fmts(void (*get_fmt_string)(char *buf, int buf_size, int fmt), int nb_fmts)
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);
443 void show_formats(void)
445 AVInputFormat *ifmt=NULL;
446 AVOutputFormat *ofmt=NULL;
447 const char *last_name;
451 " D. = Demuxing supported\n"
452 " .E = Muxing supported\n"
458 const char *name=NULL;
459 const char *long_name=NULL;
461 while((ofmt= av_oformat_next(ofmt))) {
462 if((name == NULL || strcmp(ofmt->name, name)<0) &&
463 strcmp(ofmt->name, last_name)>0){
465 long_name= ofmt->long_name;
469 while((ifmt= av_iformat_next(ifmt))) {
470 if((name == NULL || strcmp(ifmt->name, name)<0) &&
471 strcmp(ifmt->name, last_name)>0){
473 long_name= ifmt->long_name;
476 if(name && strcmp(ifmt->name, name)==0)
488 long_name ? long_name:" ");
492 void show_codecs(void)
494 AVCodec *p=NULL, *p2;
495 const char *last_name;
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"
512 const char *type_str;
515 while((p= av_codec_next(p))) {
516 if((p2==NULL || strcmp(p->name, p2->name)<0) &&
517 strcmp(p->name, last_name)>0){
519 decode= encode= cap=0;
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;
532 case CODEC_TYPE_VIDEO:
535 case CODEC_TYPE_AUDIO:
538 case CODEC_TYPE_SUBTITLE:
546 " %s%s%s%s%s%s %-15s %s",
547 decode ? "D": (/*p2->decoder ? "d":*/" "),
550 cap & CODEC_CAP_DRAW_HORIZ_BAND ? "S":" ",
551 cap & CODEC_CAP_DR1 ? "D":" ",
552 cap & CODEC_CAP_TRUNCATED ? "T":" ",
554 p2->long_name ? p2->long_name : "");
555 /* if(p2->decoder && decode==0)
556 printf(" use %s for decoding", p2->decoder->name);*/
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"
570 AVBitStreamFilter *bsf=NULL;
572 printf("Bitstream filters:\n");
573 while((bsf = av_bitstream_filter_next(bsf)))
574 printf("%s\n", bsf->name);
578 void show_protocols(void)
580 URLProtocol *up=NULL;
582 printf("Supported file protocols:\n");
583 while((up = av_protocol_next(up)))
584 printf("%s\n", up->name);
587 printf("Frame size, frame rate abbreviations:\n ntsc pal qntsc qpal sntsc spal film ntsc-film sqcif qcif cif 4cif\n");
590 void show_filters(void)
592 AVFilter av_unused(**filter) = NULL;
594 printf("Filters:\n");
596 while ((filter = av_filter_next(filter)) && *filter)
597 printf("%-16s %s\n", (*filter)->name, (*filter)->description);
601 void show_pix_fmts(void)
603 list_fmts(avcodec_pix_fmt_string, PIX_FMT_NB);
609 int yesno = (toupper(c) == 'Y');
611 while (c != '\n' && c != EOF)