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 "libavutil/pixdesc.h"
39 #include "libavcodec/opt.h"
43 #include "libavformat/network.h"
45 #if HAVE_SYS_RESOURCE_H
46 #include <sys/resource.h>
51 const char **opt_names;
52 static int opt_name_count;
53 AVCodecContext *avcodec_opts[CODEC_TYPE_NB];
54 AVFormatContext *avformat_opts;
55 struct SwsContext *sws_opts;
57 const int this_year = 2010;
59 double parse_number_or_die(const char *context, const char *numstr, int type, double min, double max)
63 double d = strtod(numstr, &tail);
65 error= "Expected number for %s but found: %s\n";
66 else if (d < min || d > max)
67 error= "The value for %s was %s which is not within %f - %f\n";
68 else if(type == OPT_INT64 && (int64_t)d != d)
69 error= "Expected int64 for %s but found %s\n";
72 fprintf(stderr, error, context, numstr, min, max);
76 int64_t parse_time_or_die(const char *context, const char *timestr, int is_duration)
78 int64_t us = parse_date(timestr, is_duration);
79 if (us == INT64_MIN) {
80 fprintf(stderr, "Invalid %s specification for %s: %s\n",
81 is_duration ? "duration" : "date", context, timestr);
87 void show_help_options(const OptionDef *options, const char *msg, int mask, int value)
93 for(po = options; po->name != NULL; po++) {
95 if ((po->flags & mask) == value) {
100 av_strlcpy(buf, po->name, sizeof(buf));
101 if (po->flags & HAS_ARG) {
102 av_strlcat(buf, " ", sizeof(buf));
103 av_strlcat(buf, po->argname, sizeof(buf));
105 printf("-%-17s %s\n", buf, po->help);
110 static const OptionDef* find_option(const OptionDef *po, const char *name){
111 while (po->name != NULL) {
112 if (!strcmp(name, po->name))
119 void parse_options(int argc, char **argv, const OptionDef *options,
120 void (* parse_arg_function)(const char*))
122 const char *opt, *arg;
123 int optindex, handleoptions=1;
128 while (optindex < argc) {
129 opt = argv[optindex++];
131 if (handleoptions && opt[0] == '-' && opt[1] != '\0') {
133 if (opt[1] == '-' && opt[2] == '\0') {
138 po= find_option(options, opt);
139 if (!po->name && opt[0] == 'n' && opt[1] == 'o') {
140 /* handle 'no' bool option */
141 po = find_option(options, opt + 2);
142 if (!(po->name && (po->flags & OPT_BOOL)))
147 po= find_option(options, "default");
150 fprintf(stderr, "%s: unrecognized option '%s'\n", argv[0], opt);
154 if (po->flags & HAS_ARG) {
155 arg = argv[optindex++];
157 fprintf(stderr, "%s: missing argument for option '%s'\n", argv[0], opt);
161 if (po->flags & OPT_STRING) {
163 str = av_strdup(arg);
164 *po->u.str_arg = str;
165 } else if (po->flags & OPT_BOOL) {
166 *po->u.int_arg = bool_val;
167 } else if (po->flags & OPT_INT) {
168 *po->u.int_arg = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
169 } else if (po->flags & OPT_INT64) {
170 *po->u.int64_arg = parse_number_or_die(opt, arg, OPT_INT64, INT64_MIN, INT64_MAX);
171 } else if (po->flags & OPT_FLOAT) {
172 *po->u.float_arg = parse_number_or_die(opt, arg, OPT_FLOAT, -1.0/0.0, 1.0/0.0);
173 } else if (po->flags & OPT_FUNC2) {
174 if (po->u.func2_arg(opt, arg) < 0) {
175 fprintf(stderr, "%s: invalid value '%s' for option '%s'\n", argv[0], arg, opt);
181 if(po->flags & OPT_EXIT)
184 if (parse_arg_function)
185 parse_arg_function(opt);
190 int opt_default(const char *opt, const char *arg){
193 const AVOption *o= NULL;
194 int opt_types[]={AV_OPT_FLAG_VIDEO_PARAM, AV_OPT_FLAG_AUDIO_PARAM, 0, AV_OPT_FLAG_SUBTITLE_PARAM, 0};
196 for(type=0; type<CODEC_TYPE_NB && ret>= 0; type++){
197 const AVOption *o2 = av_find_opt(avcodec_opts[0], opt, NULL, opt_types[type], opt_types[type]);
199 ret = av_set_string3(avcodec_opts[type], opt, arg, 1, &o);
202 ret = av_set_string3(avformat_opts, opt, arg, 1, &o);
204 ret = av_set_string3(sws_opts, opt, arg, 1, &o);
207 ret = av_set_string3(avcodec_opts[CODEC_TYPE_AUDIO], opt+1, arg, 1, &o);
208 else if(opt[0] == 'v')
209 ret = av_set_string3(avcodec_opts[CODEC_TYPE_VIDEO], opt+1, arg, 1, &o);
210 else if(opt[0] == 's')
211 ret = av_set_string3(avcodec_opts[CODEC_TYPE_SUBTITLE], opt+1, arg, 1, &o);
214 fprintf(stderr, "Invalid value '%s' for option '%s'\n", arg, opt);
218 fprintf(stderr, "Unrecognized option '%s'\n", opt);
222 // 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));
224 //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
225 opt_names= av_realloc(opt_names, sizeof(void*)*(opt_name_count+1));
226 opt_names[opt_name_count++]= o->name;
228 if(avcodec_opts[0]->debug || avformat_opts->debug)
229 av_log_set_level(AV_LOG_DEBUG);
233 int opt_loglevel(const char *opt, const char *arg)
235 const struct { const char *name; int level; } log_levels[] = {
236 { "quiet" , AV_LOG_QUIET },
237 { "panic" , AV_LOG_PANIC },
238 { "fatal" , AV_LOG_FATAL },
239 { "error" , AV_LOG_ERROR },
240 { "warning", AV_LOG_WARNING },
241 { "info" , AV_LOG_INFO },
242 { "verbose", AV_LOG_VERBOSE },
243 { "debug" , AV_LOG_DEBUG },
249 for (i = 0; i < FF_ARRAY_ELEMS(log_levels); i++) {
250 if (!strcmp(log_levels[i].name, arg)) {
251 av_log_set_level(log_levels[i].level);
256 level = strtol(arg, &tail, 10);
258 fprintf(stderr, "Invalid loglevel \"%s\". "
259 "Possible levels are numbers or:\n", arg);
260 for (i = 0; i < FF_ARRAY_ELEMS(log_levels); i++)
261 fprintf(stderr, "\"%s\"\n", log_levels[i].name);
264 av_log_set_level(level);
268 int opt_timelimit(const char *opt, const char *arg)
271 int lim = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
272 struct rlimit rl = { lim, lim + 1 };
273 if (setrlimit(RLIMIT_CPU, &rl))
276 fprintf(stderr, "Warning: -%s not implemented on this OS\n", opt);
281 void set_context_opts(void *ctx, void *opts_ctx, int flags)
284 for(i=0; i<opt_name_count; i++){
287 const char *str= av_get_string(opts_ctx, opt_names[i], &opt, buf, sizeof(buf));
288 /* if an option with name opt_names[i] is present in opts_ctx then str is non-NULL */
289 if(str && ((opt->flags & flags) == flags))
290 av_set_string3(ctx, opt_names[i], str, 1, NULL);
294 void print_error(const char *filename, int err)
297 case AVERROR_NUMEXPECTED:
298 fprintf(stderr, "%s: Incorrect image filename syntax.\n"
299 "Use '%%d' to specify the image number:\n"
300 " for img1.jpg, img2.jpg, ..., use 'img%%d.jpg';\n"
301 " for img001.jpg, img002.jpg, ..., use 'img%%03d.jpg'.\n",
304 case AVERROR_INVALIDDATA:
305 fprintf(stderr, "%s: Error while parsing header\n", filename);
308 fprintf(stderr, "%s: Unknown format\n", filename);
311 fprintf(stderr, "%s: I/O error occurred\n"
312 "Usually that means that input file is truncated and/or corrupted.\n",
315 case AVERROR(ENOMEM):
316 fprintf(stderr, "%s: memory allocation error occurred\n", filename);
318 case AVERROR(ENOENT):
319 fprintf(stderr, "%s: no such file or directory\n", filename);
322 case AVERROR(FF_NETERROR(EPROTONOSUPPORT)):
323 fprintf(stderr, "%s: Unsupported network protocol\n", filename);
327 fprintf(stderr, "%s: Error while opening file\n", filename);
332 #define PRINT_LIB_VERSION(outstream,libname,LIBNAME,indent) \
333 if (CONFIG_##LIBNAME) { \
334 unsigned int version = libname##_version(); \
335 fprintf(outstream, "%slib%-10s %2d.%2d.%2d / %2d.%2d.%2d\n", \
336 indent? " " : "", #libname, \
337 LIB##LIBNAME##_VERSION_MAJOR, \
338 LIB##LIBNAME##_VERSION_MINOR, \
339 LIB##LIBNAME##_VERSION_MICRO, \
340 version >> 16, version >> 8 & 0xff, version & 0xff); \
343 static void print_all_lib_versions(FILE* outstream, int indent)
345 PRINT_LIB_VERSION(outstream, avutil, AVUTIL, indent);
346 PRINT_LIB_VERSION(outstream, avcodec, AVCODEC, indent);
347 PRINT_LIB_VERSION(outstream, avformat, AVFORMAT, indent);
348 PRINT_LIB_VERSION(outstream, avdevice, AVDEVICE, indent);
349 PRINT_LIB_VERSION(outstream, avfilter, AVFILTER, indent);
350 PRINT_LIB_VERSION(outstream, swscale, SWSCALE, indent);
351 PRINT_LIB_VERSION(outstream, postproc, POSTPROC, indent);
354 static void maybe_print_config(const char *lib, const char *cfg)
356 static int warned_cfg;
358 if (strcmp(FFMPEG_CONFIGURATION, cfg)) {
360 fprintf(stderr, " WARNING: library configuration mismatch\n");
363 fprintf(stderr, " %-11s configuration: %s\n", lib, cfg);
367 #define PRINT_LIB_CONFIG(lib, tag, cfg) do { \
369 maybe_print_config(tag, cfg); \
372 void show_banner(void)
374 fprintf(stderr, "%s version " FFMPEG_VERSION ", Copyright (c) %d-%d the FFmpeg developers\n",
375 program_name, program_birth_year, this_year);
376 fprintf(stderr, " built on %s %s with %s %s\n",
377 __DATE__, __TIME__, CC_TYPE, CC_VERSION);
378 fprintf(stderr, " configuration: " FFMPEG_CONFIGURATION "\n");
379 PRINT_LIB_CONFIG(AVUTIL, "libavutil", avutil_configuration());
380 PRINT_LIB_CONFIG(AVCODEC, "libavcodec", avcodec_configuration());
381 PRINT_LIB_CONFIG(AVFORMAT, "libavformat", avformat_configuration());
382 PRINT_LIB_CONFIG(AVDEVICE, "libavdevice", avdevice_configuration());
383 PRINT_LIB_CONFIG(AVFILTER, "libavfilter", avfilter_configuration());
384 PRINT_LIB_CONFIG(SWSCALE, "libswscale", swscale_configuration());
385 PRINT_LIB_CONFIG(POSTPROC, "libpostproc", postproc_configuration());
386 print_all_lib_versions(stderr, 1);
389 void show_version(void) {
390 printf("%s " FFMPEG_VERSION "\n", program_name);
391 print_all_lib_versions(stdout, 0);
394 void show_license(void)
398 "This version of %s has nonfree parts compiled in.\n"
399 "Therefore it is not legally redistributable.\n",
402 "%s is free software; you can redistribute it and/or modify\n"
403 "it under the terms of the GNU General Public License as published by\n"
404 "the Free Software Foundation; either version 3 of the License, or\n"
405 "(at your option) any later version.\n"
407 "%s is distributed in the hope that it will be useful,\n"
408 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
409 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
410 "GNU General Public License for more details.\n"
412 "You should have received a copy of the GNU General Public License\n"
413 "along with %s. If not, see <http://www.gnu.org/licenses/>.\n",
414 program_name, program_name, program_name
416 "%s is free software; you can redistribute it and/or modify\n"
417 "it under the terms of the GNU General Public License as published by\n"
418 "the Free Software Foundation; either version 2 of the License, or\n"
419 "(at your option) any later version.\n"
421 "%s is distributed in the hope that it will be useful,\n"
422 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
423 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
424 "GNU General Public License for more details.\n"
426 "You should have received a copy of the GNU General Public License\n"
427 "along with %s; if not, write to the Free Software\n"
428 "Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\n",
429 program_name, program_name, program_name
431 "%s is free software; you can redistribute it and/or modify\n"
432 "it under the terms of the GNU Lesser General Public License as published by\n"
433 "the Free Software Foundation; either version 3 of the License, or\n"
434 "(at your option) any later version.\n"
436 "%s is distributed in the hope that it will be useful,\n"
437 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
438 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
439 "GNU Lesser General Public License for more details.\n"
441 "You should have received a copy of the GNU Lesser General Public License\n"
442 "along with %s. If not, see <http://www.gnu.org/licenses/>.\n",
443 program_name, program_name, program_name
445 "%s is free software; you can redistribute it and/or\n"
446 "modify it under the terms of the GNU Lesser General Public\n"
447 "License as published by the Free Software Foundation; either\n"
448 "version 2.1 of the License, or (at your option) any later version.\n"
450 "%s is distributed in the hope that it will be useful,\n"
451 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
452 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n"
453 "Lesser General Public License for more details.\n"
455 "You should have received a copy of the GNU Lesser General Public\n"
456 "License along with %s; if not, write to the Free Software\n"
457 "Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\n",
458 program_name, program_name, program_name
463 void list_fmts(void (*get_fmt_string)(char *buf, int buf_size, int fmt), int nb_fmts)
467 for (i=-1; i < nb_fmts; i++) {
468 get_fmt_string (fmt_str, sizeof(fmt_str), i);
469 fprintf(stdout, "%s\n", fmt_str);
473 void show_formats(void)
475 AVInputFormat *ifmt=NULL;
476 AVOutputFormat *ofmt=NULL;
477 const char *last_name;
481 " D. = Demuxing supported\n"
482 " .E = Muxing supported\n"
488 const char *name=NULL;
489 const char *long_name=NULL;
491 while((ofmt= av_oformat_next(ofmt))) {
492 if((name == NULL || strcmp(ofmt->name, name)<0) &&
493 strcmp(ofmt->name, last_name)>0){
495 long_name= ofmt->long_name;
499 while((ifmt= av_iformat_next(ifmt))) {
500 if((name == NULL || strcmp(ifmt->name, name)<0) &&
501 strcmp(ifmt->name, last_name)>0){
503 long_name= ifmt->long_name;
506 if(name && strcmp(ifmt->name, name)==0)
518 long_name ? long_name:" ");
522 void show_codecs(void)
524 AVCodec *p=NULL, *p2;
525 const char *last_name;
528 " D..... = Decoding supported\n"
529 " .E.... = Encoding supported\n"
530 " ..V... = Video codec\n"
531 " ..A... = Audio codec\n"
532 " ..S... = Subtitle codec\n"
533 " ...S.. = Supports draw_horiz_band\n"
534 " ....D. = Supports direct rendering method 1\n"
535 " .....T = Supports weird frame truncation\n"
542 const char *type_str;
545 while((p= av_codec_next(p))) {
546 if((p2==NULL || strcmp(p->name, p2->name)<0) &&
547 strcmp(p->name, last_name)>0){
549 decode= encode= cap=0;
551 if(p2 && strcmp(p->name, p2->name)==0){
552 if(p->decode) decode=1;
553 if(p->encode) encode=1;
554 cap |= p->capabilities;
562 case CODEC_TYPE_VIDEO:
565 case CODEC_TYPE_AUDIO:
568 case CODEC_TYPE_SUBTITLE:
576 " %s%s%s%s%s%s %-15s %s",
577 decode ? "D": (/*p2->decoder ? "d":*/" "),
580 cap & CODEC_CAP_DRAW_HORIZ_BAND ? "S":" ",
581 cap & CODEC_CAP_DR1 ? "D":" ",
582 cap & CODEC_CAP_TRUNCATED ? "T":" ",
584 p2->long_name ? p2->long_name : "");
585 /* if(p2->decoder && decode==0)
586 printf(" use %s for decoding", p2->decoder->name);*/
591 "Note, the names of encoders and decoders do not always match, so there are\n"
592 "several cases where the above table shows encoder only or decoder only entries\n"
593 "even though both encoding and decoding are supported. For example, the h263\n"
594 "decoder corresponds to the h263 and h263p encoders, for file formats it is even\n"
600 AVBitStreamFilter *bsf=NULL;
602 printf("Bitstream filters:\n");
603 while((bsf = av_bitstream_filter_next(bsf)))
604 printf("%s\n", bsf->name);
608 void show_protocols(void)
610 URLProtocol *up=NULL;
612 printf("Supported file protocols:\n");
613 while((up = av_protocol_next(up)))
614 printf("%s\n", up->name);
617 printf("Frame size, frame rate abbreviations:\n ntsc pal qntsc qpal sntsc spal film ntsc-film sqcif qcif cif 4cif\n");
620 void show_filters(void)
622 AVFilter av_unused(**filter) = NULL;
624 printf("Filters:\n");
626 while ((filter = av_filter_next(filter)) && *filter)
627 printf("%-16s %s\n", (*filter)->name, (*filter)->description);
631 void show_pix_fmts(void)
633 enum PixelFormat pix_fmt;
637 "I.... = Supported Input format for conversion\n"
638 ".O... = Supported Output format for conversion\n"
639 "..H.. = Hardware accelerated format\n"
640 "...P. = Paletted format\n"
641 "....B = Bitstream format\n"
642 "FLAGS NAME NB_COMPONENTS BITS_PER_PIXEL\n"
645 for (pix_fmt = 0; pix_fmt < PIX_FMT_NB; pix_fmt++) {
646 const AVPixFmtDescriptor *pix_desc = &av_pix_fmt_descriptors[pix_fmt];
647 printf("%c%c%c%c%c %-16s %d %2d\n",
648 sws_isSupportedInput (pix_fmt) ? 'I' : '.',
649 sws_isSupportedOutput(pix_fmt) ? 'O' : '.',
650 pix_desc->flags & PIX_FMT_HWACCEL ? 'H' : '.',
651 pix_desc->flags & PIX_FMT_PAL ? 'P' : '.',
652 pix_desc->flags & PIX_FMT_BITSTREAM ? 'B' : '.',
654 pix_desc->nb_components,
655 av_get_bits_per_pixel(pix_desc));
662 int yesno = (toupper(c) == 'Y');
664 while (c != '\n' && c != EOF)