2 * Copyright (c) 2007-2010 Stefano Sabatini
4 * This file is part of FFmpeg.
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23 * simple media prober based on the FFmpeg libraries
29 #include "libavformat/avformat.h"
30 #include "libavcodec/avcodec.h"
31 #include "libavutil/avstring.h"
32 #include "libavutil/bprint.h"
33 #include "libavutil/opt.h"
34 #include "libavutil/pixdesc.h"
35 #include "libavutil/dict.h"
36 #include "libavutil/timecode.h"
37 #include "libavdevice/avdevice.h"
38 #include "libswscale/swscale.h"
39 #include "libswresample/swresample.h"
40 #include "libpostproc/postprocess.h"
43 const char program_name[] = "ffprobe";
44 const int program_birth_year = 2007;
46 static int do_count_frames = 0;
47 static int do_count_packets = 0;
48 static int do_read_frames = 0;
49 static int do_read_packets = 0;
50 static int do_show_error = 0;
51 static int do_show_format = 0;
52 static int do_show_frames = 0;
53 static int do_show_packets = 0;
54 static int do_show_streams = 0;
55 static int do_show_program_version = 0;
56 static int do_show_library_versions = 0;
58 static int show_value_unit = 0;
59 static int use_value_prefix = 0;
60 static int use_byte_value_binary_prefix = 0;
61 static int use_value_sexagesimal_format = 0;
62 static int show_private_data = 1;
64 static char *print_format;
66 static const OptionDef options[];
69 static const char *input_filename;
70 static AVInputFormat *iformat = NULL;
72 static const char *const binary_unit_prefixes [] = { "", "Ki", "Mi", "Gi", "Ti", "Pi" };
73 static const char *const decimal_unit_prefixes[] = { "", "K" , "M" , "G" , "T" , "P" };
75 static const char unit_second_str[] = "s" ;
76 static const char unit_hertz_str[] = "Hz" ;
77 static const char unit_byte_str[] = "byte" ;
78 static const char unit_bit_per_second_str[] = "bit/s";
79 static uint64_t *nb_streams_packets;
80 static uint64_t *nb_streams_frames;
82 void av_noreturn exit_program(int ret)
88 union { double d; long long int i; } val;
92 static char *value_string(char *buf, int buf_size, struct unit_value uv)
97 if (uv.unit == unit_second_str) {
104 if (uv.unit == unit_second_str && use_value_sexagesimal_format) {
108 mins = (int)secs / 60;
109 secs = secs - mins * 60;
112 snprintf(buf, buf_size, "%d:%02d:%09.6f", hours, mins, secs);
114 const char *prefix_string = "";
117 if (use_value_prefix && vald > 1) {
120 if (uv.unit == unit_byte_str && use_byte_value_binary_prefix) {
121 index = (long long int) (log(vald)/log(2)) / 10;
122 index = av_clip(index, 0, FF_ARRAY_ELEMS(binary_unit_prefixes) - 1);
123 vald /= pow(2, index * 10);
124 prefix_string = binary_unit_prefixes[index];
126 index = (long long int) (log10(vald)) / 3;
127 index = av_clip(index, 0, FF_ARRAY_ELEMS(decimal_unit_prefixes) - 1);
128 vald /= pow(10, index * 3);
129 prefix_string = decimal_unit_prefixes[index];
133 if (show_float || (use_value_prefix && vald != (long long int)vald))
134 l = snprintf(buf, buf_size, "%f", vald);
136 l = snprintf(buf, buf_size, "%lld", (long long int)vald);
137 snprintf(buf+l, buf_size-l, "%s%s%s", *prefix_string || show_value_unit ? " " : "",
138 prefix_string, show_value_unit ? uv.unit : "");
146 typedef struct WriterContext WriterContext;
148 #define WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS 1
149 #define WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER 2
151 typedef struct Writer {
152 int priv_size; ///< private size for the writer context
155 int (*init) (WriterContext *wctx, const char *args, void *opaque);
156 void (*uninit)(WriterContext *wctx);
158 void (*print_header)(WriterContext *ctx);
159 void (*print_footer)(WriterContext *ctx);
161 void (*print_chapter_header)(WriterContext *wctx, const char *);
162 void (*print_chapter_footer)(WriterContext *wctx, const char *);
163 void (*print_section_header)(WriterContext *wctx, const char *);
164 void (*print_section_footer)(WriterContext *wctx, const char *);
165 void (*print_integer) (WriterContext *wctx, const char *, long long int);
166 void (*print_string) (WriterContext *wctx, const char *, const char *);
167 void (*show_tags) (WriterContext *wctx, AVDictionary *dict);
168 int flags; ///< a combination or WRITER_FLAG_*
171 struct WriterContext {
172 const AVClass *class; ///< class of the writer
173 const Writer *writer; ///< the Writer of which this is an instance
174 char *name; ///< name of this writer instance
175 void *priv; ///< private data for use by the filter
176 unsigned int nb_item; ///< number of the item printed in the given section, starting at 0
177 unsigned int nb_section; ///< number of the section printed in the given section sequence, starting at 0
178 unsigned int nb_chapter; ///< number of the chapter, starting at 0
181 static const char *writer_get_name(void *p)
183 WriterContext *wctx = p;
184 return wctx->writer->name;
187 static const AVClass writer_class = {
191 LIBAVUTIL_VERSION_INT,
194 static void writer_close(WriterContext **wctx)
199 if ((*wctx)->writer->uninit)
200 (*wctx)->writer->uninit(*wctx);
201 av_freep(&((*wctx)->priv));
205 static int writer_open(WriterContext **wctx, const Writer *writer,
206 const char *args, void *opaque)
210 if (!(*wctx = av_malloc(sizeof(WriterContext)))) {
211 ret = AVERROR(ENOMEM);
215 if (!((*wctx)->priv = av_mallocz(writer->priv_size))) {
216 ret = AVERROR(ENOMEM);
220 (*wctx)->class = &writer_class;
221 (*wctx)->writer = writer;
222 if ((*wctx)->writer->init)
223 ret = (*wctx)->writer->init(*wctx, args, opaque);
234 static inline void writer_print_header(WriterContext *wctx)
236 if (wctx->writer->print_header)
237 wctx->writer->print_header(wctx);
238 wctx->nb_chapter = 0;
241 static inline void writer_print_footer(WriterContext *wctx)
243 if (wctx->writer->print_footer)
244 wctx->writer->print_footer(wctx);
247 static inline void writer_print_chapter_header(WriterContext *wctx,
250 if (wctx->writer->print_chapter_header)
251 wctx->writer->print_chapter_header(wctx, chapter);
252 wctx->nb_section = 0;
255 static inline void writer_print_chapter_footer(WriterContext *wctx,
258 if (wctx->writer->print_chapter_footer)
259 wctx->writer->print_chapter_footer(wctx, chapter);
263 static inline void writer_print_section_header(WriterContext *wctx,
266 if (wctx->writer->print_section_header)
267 wctx->writer->print_section_header(wctx, section);
271 static inline void writer_print_section_footer(WriterContext *wctx,
274 if (wctx->writer->print_section_footer)
275 wctx->writer->print_section_footer(wctx, section);
279 static inline void writer_print_integer(WriterContext *wctx,
280 const char *key, long long int val)
282 wctx->writer->print_integer(wctx, key, val);
286 static inline void writer_print_string(WriterContext *wctx,
287 const char *key, const char *val, int opt)
289 if (opt && !(wctx->writer->flags & WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS))
291 wctx->writer->print_string(wctx, key, val);
295 static void writer_print_time(WriterContext *wctx, const char *key,
296 int64_t ts, const AVRational *time_base)
300 if (ts == AV_NOPTS_VALUE) {
301 writer_print_string(wctx, key, "N/A", 1);
303 double d = ts * av_q2d(*time_base);
304 value_string(buf, sizeof(buf), (struct unit_value){.val.d=d, .unit=unit_second_str});
305 writer_print_string(wctx, key, buf, 0);
309 static void writer_print_ts(WriterContext *wctx, const char *key, int64_t ts)
311 if (ts == AV_NOPTS_VALUE) {
312 writer_print_string(wctx, key, "N/A", 1);
314 writer_print_integer(wctx, key, ts);
318 static inline void writer_show_tags(WriterContext *wctx, AVDictionary *dict)
320 wctx->writer->show_tags(wctx, dict);
323 #define MAX_REGISTERED_WRITERS_NB 64
325 static const Writer *registered_writers[MAX_REGISTERED_WRITERS_NB + 1];
327 static int writer_register(const Writer *writer)
329 static int next_registered_writer_idx = 0;
331 if (next_registered_writer_idx == MAX_REGISTERED_WRITERS_NB)
332 return AVERROR(ENOMEM);
334 registered_writers[next_registered_writer_idx++] = writer;
338 static const Writer *writer_get_by_name(const char *name)
342 for (i = 0; registered_writers[i]; i++)
343 if (!strcmp(registered_writers[i]->name, name))
344 return registered_writers[i];
356 static char *fast_asprintf(struct print_buf *pbuf, const char *fmt, ...)
362 len = vsnprintf(NULL, 0, fmt, va);
367 if (pbuf->len < len) {
368 char *p = av_realloc(pbuf->s, len + 1);
376 len = vsnprintf(pbuf->s, len + 1, fmt, va);
392 static void default_print_footer(WriterContext *wctx)
397 static void default_print_chapter_header(WriterContext *wctx, const char *chapter)
399 if (wctx->nb_chapter)
403 /* lame uppercasing routine, assumes the string is lower case ASCII */
404 static inline char *upcase_string(char *dst, size_t dst_size, const char *src)
407 for (i = 0; src[i] && i < dst_size-1; i++)
408 dst[i] = av_toupper(src[i]);
413 static void default_print_section_header(WriterContext *wctx, const char *section)
417 if (wctx->nb_section)
419 printf("[%s]\n", upcase_string(buf, sizeof(buf), section));
422 static void default_print_section_footer(WriterContext *wctx, const char *section)
426 printf("[/%s]", upcase_string(buf, sizeof(buf), section));
429 static void default_print_str(WriterContext *wctx, const char *key, const char *value)
431 printf("%s=%s\n", key, value);
434 static void default_print_int(WriterContext *wctx, const char *key, long long int value)
436 printf("%s=%lld\n", key, value);
439 static void default_show_tags(WriterContext *wctx, AVDictionary *dict)
441 AVDictionaryEntry *tag = NULL;
442 while ((tag = av_dict_get(dict, "", tag, AV_DICT_IGNORE_SUFFIX))) {
444 writer_print_string(wctx, tag->key, tag->value, 0);
448 static const Writer default_writer = {
450 .print_footer = default_print_footer,
451 .print_chapter_header = default_print_chapter_header,
452 .print_section_header = default_print_section_header,
453 .print_section_footer = default_print_section_footer,
454 .print_integer = default_print_int,
455 .print_string = default_print_str,
456 .show_tags = default_show_tags,
457 .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS,
463 * Escape \n, \r, \\ and sep characters contained in s, and print the
466 static const char *c_escape_str(AVBPrint *dst, const char *src, const char sep, void *log_ctx)
470 for (p = src; *p; p++) {
472 case '\n': av_bprintf(dst, "%s", "\\n"); break;
473 case '\r': av_bprintf(dst, "%s", "\\r"); break;
474 case '\\': av_bprintf(dst, "%s", "\\\\"); break;
477 av_bprint_chars(dst, '\\', 1);
478 av_bprint_chars(dst, *p, 1);
485 * Quote fields containing special characters, check RFC4180.
487 static const char *csv_escape_str(AVBPrint *dst, const char *src, const char sep, void *log_ctx)
492 /* check if input needs quoting */
493 for (p = src; *p; p++)
494 if (*p == '"' || *p == sep || *p == '\n' || *p == '\r')
498 av_bprint_chars(dst, '\"', 1);
500 for (p = src; *p; p++) {
502 av_bprint_chars(dst, '\"', 1);
503 av_bprint_chars(dst, *p, 1);
506 av_bprint_chars(dst, '\"', 1);
510 static const char *none_escape_str(AVBPrint *dst, const char *src, const char sep, void *log_ctx)
515 typedef struct CompactContext {
516 const AVClass *class;
520 char *escape_mode_str;
521 const char * (*escape_str)(AVBPrint *dst, const char *src, const char sep, void *log_ctx);
524 #define OFFSET(x) offsetof(CompactContext, x)
526 static const AVOption compact_options[]= {
527 {"item_sep", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str="|"}, CHAR_MIN, CHAR_MAX },
528 {"s", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str="|"}, CHAR_MIN, CHAR_MAX },
529 {"nokey", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.dbl=0}, 0, 1 },
530 {"nk", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.dbl=0}, 0, 1 },
531 {"escape", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="c"}, CHAR_MIN, CHAR_MAX },
532 {"e", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="c"}, CHAR_MIN, CHAR_MAX },
536 static const char *compact_get_name(void *ctx)
541 static const AVClass compact_class = {
547 static av_cold int compact_init(WriterContext *wctx, const char *args, void *opaque)
549 CompactContext *compact = wctx->priv;
552 compact->class = &compact_class;
553 av_opt_set_defaults(compact);
556 (err = (av_set_options_string(compact, args, "=", ":"))) < 0) {
557 av_log(wctx, AV_LOG_ERROR, "Error parsing options string: '%s'\n", args);
560 if (strlen(compact->item_sep_str) != 1) {
561 av_log(wctx, AV_LOG_ERROR, "Item separator '%s' specified, but must contain a single character\n",
562 compact->item_sep_str);
563 return AVERROR(EINVAL);
565 compact->item_sep = compact->item_sep_str[0];
567 if (!strcmp(compact->escape_mode_str, "none")) compact->escape_str = none_escape_str;
568 else if (!strcmp(compact->escape_mode_str, "c" )) compact->escape_str = c_escape_str;
569 else if (!strcmp(compact->escape_mode_str, "csv" )) compact->escape_str = csv_escape_str;
571 av_log(wctx, AV_LOG_ERROR, "Unknown escape mode '%s'\n", compact->escape_mode_str);
572 return AVERROR(EINVAL);
578 static av_cold void compact_uninit(WriterContext *wctx)
580 CompactContext *compact = wctx->priv;
582 av_freep(&compact->item_sep_str);
583 av_freep(&compact->escape_mode_str);
586 static void compact_print_section_header(WriterContext *wctx, const char *section)
588 CompactContext *compact = wctx->priv;
590 printf("%s%c", section, compact->item_sep);
593 static void compact_print_section_footer(WriterContext *wctx, const char *section)
598 static void compact_print_str(WriterContext *wctx, const char *key, const char *value)
600 CompactContext *compact = wctx->priv;
603 if (wctx->nb_item) printf("%c", compact->item_sep);
606 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
607 printf("%s", compact->escape_str(&buf, value, compact->item_sep, wctx));
608 av_bprint_finalize(&buf, NULL);
611 static void compact_print_int(WriterContext *wctx, const char *key, long long int value)
613 CompactContext *compact = wctx->priv;
615 if (wctx->nb_item) printf("%c", compact->item_sep);
618 printf("%lld", value);
621 static void compact_show_tags(WriterContext *wctx, AVDictionary *dict)
623 CompactContext *compact = wctx->priv;
624 AVDictionaryEntry *tag = NULL;
627 while ((tag = av_dict_get(dict, "", tag, AV_DICT_IGNORE_SUFFIX))) {
628 if (wctx->nb_item) printf("%c", compact->item_sep);
630 if (!compact->nokey) {
631 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
632 printf("tag:%s=", compact->escape_str(&buf, tag->key, compact->item_sep, wctx));
633 av_bprint_finalize(&buf, NULL);
636 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
637 printf("%s", compact->escape_str(&buf, tag->value, compact->item_sep, wctx));
638 av_bprint_finalize(&buf, NULL);
642 static const Writer compact_writer = {
644 .priv_size = sizeof(CompactContext),
645 .init = compact_init,
646 .uninit = compact_uninit,
647 .print_section_header = compact_print_section_header,
648 .print_section_footer = compact_print_section_footer,
649 .print_integer = compact_print_int,
650 .print_string = compact_print_str,
651 .show_tags = compact_show_tags,
652 .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS,
657 static av_cold int csv_init(WriterContext *wctx, const char *args, void *opaque)
659 return compact_init(wctx, "item_sep=,:nokey=1:escape=csv", opaque);
662 static const Writer csv_writer = {
664 .priv_size = sizeof(CompactContext),
666 .uninit = compact_uninit,
667 .print_section_header = compact_print_section_header,
668 .print_section_footer = compact_print_section_footer,
669 .print_integer = compact_print_int,
670 .print_string = compact_print_str,
671 .show_tags = compact_show_tags,
672 .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS,
678 const AVClass *class;
679 int multiple_entries; ///< tells if the given chapter requires multiple entries
680 int print_packets_and_frames;
683 const char *item_sep, *item_start_end;
687 #define OFFSET(x) offsetof(JSONContext, x)
689 static const AVOption json_options[]= {
690 { "compact", "enable compact output", OFFSET(compact), AV_OPT_TYPE_INT, {.dbl=0}, 0, 1 },
691 { "c", "enable compact output", OFFSET(compact), AV_OPT_TYPE_INT, {.dbl=0}, 0, 1 },
695 static const char *json_get_name(void *ctx)
700 static const AVClass json_class = {
706 static av_cold int json_init(WriterContext *wctx, const char *args, void *opaque)
708 JSONContext *json = wctx->priv;
711 json->class = &json_class;
712 av_opt_set_defaults(json);
715 (err = (av_set_options_string(json, args, "=", ":"))) < 0) {
716 av_log(wctx, AV_LOG_ERROR, "Error parsing options string: '%s'\n", args);
720 json->item_sep = json->compact ? ", " : ",\n";
721 json->item_start_end = json->compact ? " " : "\n";
726 static const char *json_escape_str(AVBPrint *dst, const char *src, void *log_ctx)
728 static const char json_escape[] = {'"', '\\', '\b', '\f', '\n', '\r', '\t', 0};
729 static const char json_subst[] = {'"', '\\', 'b', 'f', 'n', 'r', 't', 0};
732 for (p = src; *p; p++) {
733 char *s = strchr(json_escape, *p);
735 av_bprint_chars(dst, '\\', 1);
736 av_bprint_chars(dst, json_subst[s - json_escape], 1);
737 } else if ((unsigned char)*p < 32) {
738 av_bprintf(dst, "\\u00%02x", *p & 0xff);
740 av_bprint_chars(dst, *p, 1);
746 static void json_print_header(WriterContext *wctx)
748 JSONContext *json = wctx->priv;
750 json->indent_level++;
753 static void json_print_footer(WriterContext *wctx)
755 JSONContext *json = wctx->priv;
756 json->indent_level--;
760 #define JSON_INDENT() printf("%*c", json->indent_level * 4, ' ')
762 static void json_print_chapter_header(WriterContext *wctx, const char *chapter)
764 JSONContext *json = wctx->priv;
767 if (wctx->nb_chapter)
770 json->multiple_entries = !strcmp(chapter, "packets") || !strcmp(chapter, "frames" ) ||
771 !strcmp(chapter, "packets_and_frames") ||
772 !strcmp(chapter, "streams") || !strcmp(chapter, "library_versions");
773 if (json->multiple_entries) {
775 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
776 printf("\"%s\": [\n", json_escape_str(&buf, chapter, wctx));
777 av_bprint_finalize(&buf, NULL);
778 json->print_packets_and_frames = !strcmp(chapter, "packets_and_frames");
779 json->indent_level++;
783 static void json_print_chapter_footer(WriterContext *wctx, const char *chapter)
785 JSONContext *json = wctx->priv;
787 if (json->multiple_entries) {
789 json->indent_level--;
795 static void json_print_section_header(WriterContext *wctx, const char *section)
797 JSONContext *json = wctx->priv;
799 if (wctx->nb_section)
802 if (!json->multiple_entries)
803 printf("\"%s\": ", section);
804 printf("{%s", json->item_start_end);
805 json->indent_level++;
806 /* this is required so the parser can distinguish between packets and frames */
807 if (json->print_packets_and_frames) {
810 printf("\"type\": \"%s\"%s", section, json->item_sep);
814 static void json_print_section_footer(WriterContext *wctx, const char *section)
816 JSONContext *json = wctx->priv;
818 printf("%s", json->item_start_end);
819 json->indent_level--;
825 static inline void json_print_item_str(WriterContext *wctx,
826 const char *key, const char *value)
830 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
831 printf("\"%s\":", json_escape_str(&buf, key, wctx));
832 av_bprint_finalize(&buf, NULL);
834 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
835 printf(" \"%s\"", json_escape_str(&buf, value, wctx));
836 av_bprint_finalize(&buf, NULL);
839 static void json_print_str(WriterContext *wctx, const char *key, const char *value)
841 JSONContext *json = wctx->priv;
843 if (wctx->nb_item) printf("%s", json->item_sep);
846 json_print_item_str(wctx, key, value);
849 static void json_print_int(WriterContext *wctx, const char *key, long long int value)
851 JSONContext *json = wctx->priv;
854 if (wctx->nb_item) printf("%s", json->item_sep);
858 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
859 printf("\"%s\": %lld", json_escape_str(&buf, key, wctx), value);
860 av_bprint_finalize(&buf, NULL);
863 static void json_show_tags(WriterContext *wctx, AVDictionary *dict)
865 JSONContext *json = wctx->priv;
866 AVDictionaryEntry *tag = NULL;
870 printf("%s", json->item_sep);
873 printf("\"tags\": {%s", json->item_start_end);
874 json->indent_level++;
875 while ((tag = av_dict_get(dict, "", tag, AV_DICT_IGNORE_SUFFIX))) {
876 if (is_first) is_first = 0;
877 else printf("%s", json->item_sep);
880 json_print_item_str(wctx, tag->key, tag->value);
882 json->indent_level--;
883 printf("%s", json->item_start_end);
889 static const Writer json_writer = {
891 .priv_size = sizeof(JSONContext),
893 .print_header = json_print_header,
894 .print_footer = json_print_footer,
895 .print_chapter_header = json_print_chapter_header,
896 .print_chapter_footer = json_print_chapter_footer,
897 .print_section_header = json_print_section_header,
898 .print_section_footer = json_print_section_footer,
899 .print_integer = json_print_int,
900 .print_string = json_print_str,
901 .show_tags = json_show_tags,
902 .flags = WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,
908 const AVClass *class;
910 int multiple_entries; ///< tells if the given chapter requires multiple entries
917 #define OFFSET(x) offsetof(XMLContext, x)
919 static const AVOption xml_options[] = {
920 {"fully_qualified", "specify if the output should be fully qualified", OFFSET(fully_qualified), AV_OPT_TYPE_INT, {.dbl=0}, 0, 1 },
921 {"q", "specify if the output should be fully qualified", OFFSET(fully_qualified), AV_OPT_TYPE_INT, {.dbl=0}, 0, 1 },
922 {"xsd_strict", "ensure that the output is XSD compliant", OFFSET(xsd_strict), AV_OPT_TYPE_INT, {.dbl=0}, 0, 1 },
923 {"x", "ensure that the output is XSD compliant", OFFSET(xsd_strict), AV_OPT_TYPE_INT, {.dbl=0}, 0, 1 },
927 static const char *xml_get_name(void *ctx)
932 static const AVClass xml_class = {
938 static av_cold int xml_init(WriterContext *wctx, const char *args, void *opaque)
940 XMLContext *xml = wctx->priv;
943 xml->class = &xml_class;
944 av_opt_set_defaults(xml);
947 (err = (av_set_options_string(xml, args, "=", ":"))) < 0) {
948 av_log(wctx, AV_LOG_ERROR, "Error parsing options string: '%s'\n", args);
952 if (xml->xsd_strict) {
953 xml->fully_qualified = 1;
954 #define CHECK_COMPLIANCE(opt, opt_name) \
956 av_log(wctx, AV_LOG_ERROR, \
957 "XSD-compliant output selected but option '%s' was selected, XML output may be non-compliant.\n" \
958 "You need to disable such option with '-no%s'\n", opt_name, opt_name); \
959 return AVERROR(EINVAL); \
961 CHECK_COMPLIANCE(show_private_data, "private");
962 CHECK_COMPLIANCE(show_value_unit, "unit");
963 CHECK_COMPLIANCE(use_value_prefix, "prefix");
965 if (do_show_frames && do_show_packets) {
966 av_log(wctx, AV_LOG_ERROR,
967 "Interleaved frames and packets are not allowed in XSD. "
968 "Select only one between the -show_frames and the -show_packets options.\n");
969 return AVERROR(EINVAL);
976 static const char *xml_escape_str(AVBPrint *dst, const char *src, void *log_ctx)
980 for (p = src; *p; p++) {
982 case '&' : av_bprintf(dst, "%s", "&"); break;
983 case '<' : av_bprintf(dst, "%s", "<"); break;
984 case '>' : av_bprintf(dst, "%s", ">"); break;
985 case '\"': av_bprintf(dst, "%s", """); break;
986 case '\'': av_bprintf(dst, "%s", "'"); break;
987 default: av_bprint_chars(dst, *p, 1);
994 static void xml_print_header(WriterContext *wctx)
996 XMLContext *xml = wctx->priv;
997 const char *qual = " xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' "
998 "xmlns:ffprobe='http://www.ffmpeg.org/schema/ffprobe' "
999 "xsi:schemaLocation='http://www.ffmpeg.org/schema/ffprobe ffprobe.xsd'";
1001 printf("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");
1002 printf("<%sffprobe%s>\n",
1003 xml->fully_qualified ? "ffprobe:" : "",
1004 xml->fully_qualified ? qual : "");
1006 xml->indent_level++;
1009 static void xml_print_footer(WriterContext *wctx)
1011 XMLContext *xml = wctx->priv;
1013 xml->indent_level--;
1014 printf("</%sffprobe>\n", xml->fully_qualified ? "ffprobe:" : "");
1017 #define XML_INDENT() printf("%*c", xml->indent_level * 4, ' ')
1019 static void xml_print_chapter_header(WriterContext *wctx, const char *chapter)
1021 XMLContext *xml = wctx->priv;
1023 if (wctx->nb_chapter)
1025 xml->multiple_entries = !strcmp(chapter, "packets") || !strcmp(chapter, "frames") ||
1026 !strcmp(chapter, "packets_and_frames") ||
1027 !strcmp(chapter, "streams") || !strcmp(chapter, "library_versions");
1029 if (xml->multiple_entries) {
1030 XML_INDENT(); printf("<%s>\n", chapter);
1031 xml->indent_level++;
1035 static void xml_print_chapter_footer(WriterContext *wctx, const char *chapter)
1037 XMLContext *xml = wctx->priv;
1039 if (xml->multiple_entries) {
1040 xml->indent_level--;
1041 XML_INDENT(); printf("</%s>\n", chapter);
1045 static void xml_print_section_header(WriterContext *wctx, const char *section)
1047 XMLContext *xml = wctx->priv;
1049 XML_INDENT(); printf("<%s ", section);
1050 xml->within_tag = 1;
1053 static void xml_print_section_footer(WriterContext *wctx, const char *section)
1055 XMLContext *xml = wctx->priv;
1057 if (xml->within_tag)
1060 XML_INDENT(); printf("</%s>\n", section);
1064 static void xml_print_str(WriterContext *wctx, const char *key, const char *value)
1070 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1071 printf("%s=\"%s\"", key, xml_escape_str(&buf, value, wctx));
1072 av_bprint_finalize(&buf, NULL);
1075 static void xml_print_int(WriterContext *wctx, const char *key, long long int value)
1079 printf("%s=\"%lld\"", key, value);
1082 static void xml_show_tags(WriterContext *wctx, AVDictionary *dict)
1084 XMLContext *xml = wctx->priv;
1085 AVDictionaryEntry *tag = NULL;
1089 xml->indent_level++;
1090 while ((tag = av_dict_get(dict, "", tag, AV_DICT_IGNORE_SUFFIX))) {
1092 /* close section tag */
1094 xml->within_tag = 0;
1099 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1100 printf("<tag key=\"%s\"", xml_escape_str(&buf, tag->key, wctx));
1101 av_bprint_finalize(&buf, NULL);
1103 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1104 printf(" value=\"%s\"/>\n", xml_escape_str(&buf, tag->value, wctx));
1105 av_bprint_finalize(&buf, NULL);
1107 xml->indent_level--;
1110 static Writer xml_writer = {
1112 .priv_size = sizeof(XMLContext),
1114 .print_header = xml_print_header,
1115 .print_footer = xml_print_footer,
1116 .print_chapter_header = xml_print_chapter_header,
1117 .print_chapter_footer = xml_print_chapter_footer,
1118 .print_section_header = xml_print_section_header,
1119 .print_section_footer = xml_print_section_footer,
1120 .print_integer = xml_print_int,
1121 .print_string = xml_print_str,
1122 .show_tags = xml_show_tags,
1123 .flags = WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,
1126 static void writer_register_all(void)
1128 static int initialized;
1134 writer_register(&default_writer);
1135 writer_register(&compact_writer);
1136 writer_register(&csv_writer);
1137 writer_register(&json_writer);
1138 writer_register(&xml_writer);
1141 #define print_fmt(k, f, ...) do { \
1142 if (fast_asprintf(&pbuf, f, __VA_ARGS__)) \
1143 writer_print_string(w, k, pbuf.s, 0); \
1146 #define print_fmt_opt(k, f, ...) do { \
1147 if (fast_asprintf(&pbuf, f, __VA_ARGS__)) \
1148 writer_print_string(w, k, pbuf.s, 1); \
1151 #define print_int(k, v) writer_print_integer(w, k, v)
1152 #define print_str(k, v) writer_print_string(w, k, v, 0)
1153 #define print_str_opt(k, v) writer_print_string(w, k, v, 1)
1154 #define print_time(k, v, tb) writer_print_time(w, k, v, tb)
1155 #define print_ts(k, v) writer_print_ts(w, k, v)
1156 #define print_val(k, v, u) writer_print_string(w, k, \
1157 value_string(val_str, sizeof(val_str), (struct unit_value){.val.i = v, .unit=u}), 0)
1158 #define print_section_header(s) writer_print_section_header(w, s)
1159 #define print_section_footer(s) writer_print_section_footer(w, s)
1160 #define show_tags(metadata) writer_show_tags(w, metadata)
1162 static void show_packet(WriterContext *w, AVFormatContext *fmt_ctx, AVPacket *pkt, int packet_idx)
1165 AVStream *st = fmt_ctx->streams[pkt->stream_index];
1166 struct print_buf pbuf = {.s = NULL};
1169 print_section_header("packet");
1170 s = av_get_media_type_string(st->codec->codec_type);
1171 if (s) print_str ("codec_type", s);
1172 else print_str_opt("codec_type", "unknown");
1173 print_int("stream_index", pkt->stream_index);
1174 print_ts ("pts", pkt->pts);
1175 print_time("pts_time", pkt->pts, &st->time_base);
1176 print_ts ("dts", pkt->dts);
1177 print_time("dts_time", pkt->dts, &st->time_base);
1178 print_ts ("duration", pkt->duration);
1179 print_time("duration_time", pkt->duration, &st->time_base);
1180 print_val("size", pkt->size, unit_byte_str);
1181 if (pkt->pos != -1) print_fmt ("pos", "%"PRId64, pkt->pos);
1182 else print_str_opt("pos", "N/A");
1183 print_fmt("flags", "%c", pkt->flags & AV_PKT_FLAG_KEY ? 'K' : '_');
1184 print_section_footer("packet");
1190 static void show_frame(WriterContext *w, AVFrame *frame, AVStream *stream)
1192 struct print_buf pbuf = {.s = NULL};
1195 print_section_header("frame");
1197 s = av_get_media_type_string(stream->codec->codec_type);
1198 if (s) print_str ("media_type", s);
1199 else print_str_opt("media_type", "unknown");
1200 print_int("key_frame", frame->key_frame);
1201 print_ts ("pkt_pts", frame->pkt_pts);
1202 print_time("pkt_pts_time", frame->pkt_pts, &stream->time_base);
1203 print_ts ("pkt_dts", frame->pkt_dts);
1204 print_time("pkt_dts_time", frame->pkt_dts, &stream->time_base);
1205 if (frame->pkt_pos != -1) print_fmt ("pkt_pos", "%"PRId64, frame->pkt_pos);
1206 else print_str_opt("pkt_pos", "N/A");
1208 switch (stream->codec->codec_type) {
1209 case AVMEDIA_TYPE_VIDEO:
1210 print_int("width", frame->width);
1211 print_int("height", frame->height);
1212 s = av_get_pix_fmt_name(frame->format);
1213 if (s) print_str ("pix_fmt", s);
1214 else print_str_opt("pix_fmt", "unknown");
1215 if (frame->sample_aspect_ratio.num) {
1216 print_fmt("sample_aspect_ratio", "%d:%d",
1217 frame->sample_aspect_ratio.num,
1218 frame->sample_aspect_ratio.den);
1220 print_str_opt("sample_aspect_ratio", "N/A");
1222 print_fmt("pict_type", "%c", av_get_picture_type_char(frame->pict_type));
1223 print_int("coded_picture_number", frame->coded_picture_number);
1224 print_int("display_picture_number", frame->display_picture_number);
1225 print_int("interlaced_frame", frame->interlaced_frame);
1226 print_int("top_field_first", frame->top_field_first);
1227 print_int("repeat_pict", frame->repeat_pict);
1228 print_int("reference", frame->reference);
1231 case AVMEDIA_TYPE_AUDIO:
1232 s = av_get_sample_fmt_name(frame->format);
1233 if (s) print_str ("sample_fmt", s);
1234 else print_str_opt("sample_fmt", "unknown");
1235 print_int("nb_samples", frame->nb_samples);
1239 print_section_footer("frame");
1245 static av_always_inline int get_decoded_frame(AVFormatContext *fmt_ctx,
1246 AVFrame *frame, int *got_frame,
1249 AVCodecContext *dec_ctx = fmt_ctx->streams[pkt->stream_index]->codec;
1253 switch (dec_ctx->codec_type) {
1254 case AVMEDIA_TYPE_VIDEO:
1255 ret = avcodec_decode_video2(dec_ctx, frame, got_frame, pkt);
1258 case AVMEDIA_TYPE_AUDIO:
1259 ret = avcodec_decode_audio4(dec_ctx, frame, got_frame, pkt);
1266 static void read_packets(WriterContext *w, AVFormatContext *fmt_ctx)
1270 int i = 0, ret, got_frame;
1272 av_init_packet(&pkt);
1274 while (!av_read_frame(fmt_ctx, &pkt)) {
1275 if (do_read_packets) {
1276 if (do_show_packets)
1277 show_packet(w, fmt_ctx, &pkt, i++);
1278 nb_streams_packets[pkt.stream_index]++;
1280 if (do_read_frames) {
1283 avcodec_get_frame_defaults(&frame);
1284 ret = get_decoded_frame(fmt_ctx, &frame, &got_frame, &pkt1);
1285 if (ret < 0 || !got_frame)
1288 show_frame(w, &frame, fmt_ctx->streams[pkt.stream_index]);
1291 nb_streams_frames[pkt.stream_index]++;
1294 av_free_packet(&pkt);
1296 av_init_packet(&pkt);
1299 //Flush remaining frames that are cached in the decoder
1300 for (i = 0; i < fmt_ctx->nb_streams; i++) {
1301 pkt.stream_index = i;
1302 while (get_decoded_frame(fmt_ctx, &frame, &got_frame, &pkt) >= 0 && got_frame) {
1303 if (do_read_frames) {
1305 show_frame(w, &frame, fmt_ctx->streams[pkt.stream_index]);
1306 nb_streams_frames[pkt.stream_index]++;
1312 static void show_stream(WriterContext *w, AVFormatContext *fmt_ctx, int stream_idx)
1314 AVStream *stream = fmt_ctx->streams[stream_idx];
1315 AVCodecContext *dec_ctx;
1319 AVRational display_aspect_ratio;
1320 struct print_buf pbuf = {.s = NULL};
1322 print_section_header("stream");
1324 print_int("index", stream->index);
1326 if ((dec_ctx = stream->codec)) {
1327 if ((dec = dec_ctx->codec)) {
1328 print_str("codec_name", dec->name);
1329 print_str("codec_long_name", dec->long_name);
1331 print_str_opt("codec_name", "unknown");
1332 print_str_opt("codec_long_name", "unknown");
1335 s = av_get_media_type_string(dec_ctx->codec_type);
1336 if (s) print_str ("codec_type", s);
1337 else print_str_opt("codec_type", "unknown");
1338 print_fmt("codec_time_base", "%d/%d", dec_ctx->time_base.num, dec_ctx->time_base.den);
1340 /* print AVI/FourCC tag */
1341 av_get_codec_tag_string(val_str, sizeof(val_str), dec_ctx->codec_tag);
1342 print_str("codec_tag_string", val_str);
1343 print_fmt("codec_tag", "0x%04x", dec_ctx->codec_tag);
1345 switch (dec_ctx->codec_type) {
1346 case AVMEDIA_TYPE_VIDEO:
1347 print_int("width", dec_ctx->width);
1348 print_int("height", dec_ctx->height);
1349 print_int("has_b_frames", dec_ctx->has_b_frames);
1350 if (dec_ctx->sample_aspect_ratio.num) {
1351 print_fmt("sample_aspect_ratio", "%d:%d",
1352 dec_ctx->sample_aspect_ratio.num,
1353 dec_ctx->sample_aspect_ratio.den);
1354 av_reduce(&display_aspect_ratio.num, &display_aspect_ratio.den,
1355 dec_ctx->width * dec_ctx->sample_aspect_ratio.num,
1356 dec_ctx->height * dec_ctx->sample_aspect_ratio.den,
1358 print_fmt("display_aspect_ratio", "%d:%d",
1359 display_aspect_ratio.num,
1360 display_aspect_ratio.den);
1362 print_str_opt("sample_aspect_ratio", "N/A");
1363 print_str_opt("display_aspect_ratio", "N/A");
1365 s = av_get_pix_fmt_name(dec_ctx->pix_fmt);
1366 if (s) print_str ("pix_fmt", s);
1367 else print_str_opt("pix_fmt", "unknown");
1368 print_int("level", dec_ctx->level);
1369 if (dec_ctx->timecode_frame_start >= 0) {
1370 char tcbuf[AV_TIMECODE_STR_SIZE];
1371 av_timecode_make_mpeg_tc_string(tcbuf, dec_ctx->timecode_frame_start);
1372 print_str("timecode", tcbuf);
1374 print_str_opt("timecode", "N/A");
1378 case AVMEDIA_TYPE_AUDIO:
1379 s = av_get_sample_fmt_name(dec_ctx->sample_fmt);
1380 if (s) print_str ("sample_fmt", s);
1381 else print_str_opt("sample_fmt", "unknown");
1382 print_val("sample_rate", dec_ctx->sample_rate, unit_hertz_str);
1383 print_int("channels", dec_ctx->channels);
1384 print_int("bits_per_sample", av_get_bits_per_sample(dec_ctx->codec_id));
1388 print_str_opt("codec_type", "unknown");
1390 if (dec_ctx->codec && dec_ctx->codec->priv_class && show_private_data) {
1391 const AVOption *opt = NULL;
1392 while (opt = av_opt_next(dec_ctx->priv_data,opt)) {
1394 if (opt->flags) continue;
1395 if (av_opt_get(dec_ctx->priv_data, opt->name, 0, &str) >= 0) {
1396 print_str(opt->name, str);
1402 if (fmt_ctx->iformat->flags & AVFMT_SHOW_IDS) print_fmt ("id", "0x%x", stream->id);
1403 else print_str_opt("id", "N/A");
1404 print_fmt("r_frame_rate", "%d/%d", stream->r_frame_rate.num, stream->r_frame_rate.den);
1405 print_fmt("avg_frame_rate", "%d/%d", stream->avg_frame_rate.num, stream->avg_frame_rate.den);
1406 print_fmt("time_base", "%d/%d", stream->time_base.num, stream->time_base.den);
1407 print_time("start_time", stream->start_time, &stream->time_base);
1408 print_time("duration", stream->duration, &stream->time_base);
1409 if (dec_ctx->bit_rate > 0) print_val ("bit_rate", dec_ctx->bit_rate, unit_bit_per_second_str);
1410 else print_str_opt("bit_rate", "N/A");
1411 if (stream->nb_frames) print_fmt ("nb_frames", "%"PRId64, stream->nb_frames);
1412 else print_str_opt("nb_frames", "N/A");
1413 if (nb_streams_frames[stream_idx]) print_fmt ("nb_read_frames", "%"PRIu64, nb_streams_frames[stream_idx]);
1414 else print_str_opt("nb_read_frames", "N/A");
1415 if (nb_streams_packets[stream_idx]) print_fmt ("nb_read_packets", "%"PRIu64, nb_streams_packets[stream_idx]);
1416 else print_str_opt("nb_read_packets", "N/A");
1417 show_tags(stream->metadata);
1419 print_section_footer("stream");
1424 static void show_streams(WriterContext *w, AVFormatContext *fmt_ctx)
1427 for (i = 0; i < fmt_ctx->nb_streams; i++)
1428 show_stream(w, fmt_ctx, i);
1431 static void show_format(WriterContext *w, AVFormatContext *fmt_ctx)
1434 int64_t size = fmt_ctx->pb ? avio_size(fmt_ctx->pb) : -1;
1436 print_section_header("format");
1437 print_str("filename", fmt_ctx->filename);
1438 print_int("nb_streams", fmt_ctx->nb_streams);
1439 print_str("format_name", fmt_ctx->iformat->name);
1440 print_str("format_long_name", fmt_ctx->iformat->long_name);
1441 print_time("start_time", fmt_ctx->start_time, &AV_TIME_BASE_Q);
1442 print_time("duration", fmt_ctx->duration, &AV_TIME_BASE_Q);
1443 if (size >= 0) print_val ("size", size, unit_byte_str);
1444 else print_str_opt("size", "N/A");
1445 if (fmt_ctx->bit_rate > 0) print_val ("bit_rate", fmt_ctx->bit_rate, unit_bit_per_second_str);
1446 else print_str_opt("bit_rate", "N/A");
1447 show_tags(fmt_ctx->metadata);
1448 print_section_footer("format");
1452 static void show_error(WriterContext *w, int err)
1455 const char *errbuf_ptr = errbuf;
1457 if (av_strerror(err, errbuf, sizeof(errbuf)) < 0)
1458 errbuf_ptr = strerror(AVUNERROR(err));
1460 writer_print_chapter_header(w, "error");
1461 print_section_header("error");
1462 print_int("code", err);
1463 print_str("string", errbuf_ptr);
1464 print_section_footer("error");
1465 writer_print_chapter_footer(w, "error");
1468 static int open_input_file(AVFormatContext **fmt_ctx_ptr, const char *filename)
1471 AVFormatContext *fmt_ctx = NULL;
1472 AVDictionaryEntry *t;
1474 if ((err = avformat_open_input(&fmt_ctx, filename,
1475 iformat, &format_opts)) < 0) {
1476 print_error(filename, err);
1479 if ((t = av_dict_get(format_opts, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
1480 av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
1481 return AVERROR_OPTION_NOT_FOUND;
1485 /* fill the streams in the format context */
1486 if ((err = avformat_find_stream_info(fmt_ctx, NULL)) < 0) {
1487 print_error(filename, err);
1491 av_dump_format(fmt_ctx, 0, filename, 0);
1493 /* bind a decoder to each input stream */
1494 for (i = 0; i < fmt_ctx->nb_streams; i++) {
1495 AVStream *stream = fmt_ctx->streams[i];
1498 if (!(codec = avcodec_find_decoder(stream->codec->codec_id))) {
1499 av_log(NULL, AV_LOG_ERROR,
1500 "Unsupported codec with id %d for input stream %d\n",
1501 stream->codec->codec_id, stream->index);
1502 } else if (avcodec_open2(stream->codec, codec, NULL) < 0) {
1503 av_log(NULL, AV_LOG_ERROR, "Error while opening codec for input stream %d\n",
1508 *fmt_ctx_ptr = fmt_ctx;
1512 #define PRINT_CHAPTER(name) do { \
1513 if (do_show_ ## name) { \
1514 writer_print_chapter_header(wctx, #name); \
1515 show_ ## name (wctx, fmt_ctx); \
1516 writer_print_chapter_footer(wctx, #name); \
1520 static int probe_file(WriterContext *wctx, const char *filename)
1522 AVFormatContext *fmt_ctx;
1525 do_read_frames = do_show_frames || do_count_frames;
1526 do_read_packets = do_show_packets || do_count_packets;
1528 ret = open_input_file(&fmt_ctx, filename);
1530 nb_streams_frames = av_calloc(fmt_ctx->nb_streams, sizeof(*nb_streams_frames));
1531 nb_streams_packets = av_calloc(fmt_ctx->nb_streams, sizeof(*nb_streams_packets));
1532 if (do_read_frames || do_read_packets) {
1533 const char *chapter;
1534 if (do_show_frames && do_show_packets &&
1535 wctx->writer->flags & WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER)
1536 chapter = "packets_and_frames";
1537 else if (do_show_packets && !do_show_frames)
1538 chapter = "packets";
1539 else // (!do_show_packets && do_show_frames)
1541 if (do_show_frames || do_show_packets)
1542 writer_print_chapter_header(wctx, chapter);
1543 read_packets(wctx, fmt_ctx);
1544 if (do_show_frames || do_show_packets)
1545 writer_print_chapter_footer(wctx, chapter);
1547 PRINT_CHAPTER(streams);
1548 PRINT_CHAPTER(format);
1549 for (i = 0; i < fmt_ctx->nb_streams; i++)
1550 if (fmt_ctx->streams[i]->codec->codec_id != CODEC_ID_NONE)
1551 avcodec_close(fmt_ctx->streams[i]->codec);
1552 avformat_close_input(&fmt_ctx);
1553 av_freep(&nb_streams_frames);
1554 av_freep(&nb_streams_packets);
1559 static void show_usage(void)
1561 av_log(NULL, AV_LOG_INFO, "Simple multimedia streams analyzer\n");
1562 av_log(NULL, AV_LOG_INFO, "usage: %s [OPTIONS] [INPUT_FILE]\n", program_name);
1563 av_log(NULL, AV_LOG_INFO, "\n");
1566 static void ffprobe_show_program_version(WriterContext *w)
1568 struct print_buf pbuf = {.s = NULL};
1570 writer_print_chapter_header(w, "program_version");
1571 print_section_header("program_version");
1572 print_str("version", FFMPEG_VERSION);
1573 print_fmt("copyright", "Copyright (c) %d-%d the FFmpeg developers",
1574 program_birth_year, this_year);
1575 print_str("build_date", __DATE__);
1576 print_str("build_time", __TIME__);
1577 print_str("compiler_type", CC_TYPE);
1578 print_str("compiler_version", CC_VERSION);
1579 print_str("configuration", FFMPEG_CONFIGURATION);
1580 print_section_footer("program_version");
1581 writer_print_chapter_footer(w, "program_version");
1586 #define SHOW_LIB_VERSION(libname, LIBNAME) \
1588 if (CONFIG_##LIBNAME) { \
1589 unsigned int version = libname##_version(); \
1590 print_section_header("library_version"); \
1591 print_str("name", "lib" #libname); \
1592 print_int("major", LIB##LIBNAME##_VERSION_MAJOR); \
1593 print_int("minor", LIB##LIBNAME##_VERSION_MINOR); \
1594 print_int("micro", LIB##LIBNAME##_VERSION_MICRO); \
1595 print_int("version", version); \
1596 print_section_footer("library_version"); \
1600 static void ffprobe_show_library_versions(WriterContext *w)
1602 writer_print_chapter_header(w, "library_versions");
1603 SHOW_LIB_VERSION(avutil, AVUTIL);
1604 SHOW_LIB_VERSION(avcodec, AVCODEC);
1605 SHOW_LIB_VERSION(avformat, AVFORMAT);
1606 SHOW_LIB_VERSION(avdevice, AVDEVICE);
1607 SHOW_LIB_VERSION(avfilter, AVFILTER);
1608 SHOW_LIB_VERSION(swscale, SWSCALE);
1609 SHOW_LIB_VERSION(swresample, SWRESAMPLE);
1610 SHOW_LIB_VERSION(postproc, POSTPROC);
1611 writer_print_chapter_footer(w, "library_versions");
1614 static int opt_format(const char *opt, const char *arg)
1616 iformat = av_find_input_format(arg);
1618 av_log(NULL, AV_LOG_ERROR, "Unknown input format: %s\n", arg);
1619 return AVERROR(EINVAL);
1624 static void opt_input_file(void *optctx, const char *arg)
1626 if (input_filename) {
1627 av_log(NULL, AV_LOG_ERROR,
1628 "Argument '%s' provided as input filename, but '%s' was already specified.\n",
1629 arg, input_filename);
1632 if (!strcmp(arg, "-"))
1634 input_filename = arg;
1637 static int opt_help(const char *opt, const char *arg)
1639 av_log_set_callback(log_callback_help);
1641 show_help_options(options, "Main options:\n", 0, 0);
1644 show_help_children(avformat_get_class(), AV_OPT_FLAG_DECODING_PARAM);
1649 static int opt_pretty(const char *opt, const char *arg)
1651 show_value_unit = 1;
1652 use_value_prefix = 1;
1653 use_byte_value_binary_prefix = 1;
1654 use_value_sexagesimal_format = 1;
1658 static int opt_show_versions(const char *opt, const char *arg)
1660 do_show_program_version = 1;
1661 do_show_library_versions = 1;
1665 static const OptionDef options[] = {
1666 #include "cmdutils_common_opts.h"
1667 { "f", HAS_ARG, {(void*)opt_format}, "force format", "format" },
1668 { "unit", OPT_BOOL, {(void*)&show_value_unit}, "show unit of the displayed values" },
1669 { "prefix", OPT_BOOL, {(void*)&use_value_prefix}, "use SI prefixes for the displayed values" },
1670 { "byte_binary_prefix", OPT_BOOL, {(void*)&use_byte_value_binary_prefix},
1671 "use binary prefixes for byte units" },
1672 { "sexagesimal", OPT_BOOL, {(void*)&use_value_sexagesimal_format},
1673 "use sexagesimal format HOURS:MM:SS.MICROSECONDS for time units" },
1674 { "pretty", 0, {(void*)&opt_pretty},
1675 "prettify the format of displayed values, make it more human readable" },
1676 { "print_format", OPT_STRING | HAS_ARG, {(void*)&print_format},
1677 "set the output printing format (available formats are: default, compact, csv, json, xml)", "format" },
1678 { "show_error", OPT_BOOL, {(void*)&do_show_error} , "show probing error" },
1679 { "show_format", OPT_BOOL, {(void*)&do_show_format} , "show format/container info" },
1680 { "show_frames", OPT_BOOL, {(void*)&do_show_frames} , "show frames info" },
1681 { "show_packets", OPT_BOOL, {(void*)&do_show_packets}, "show packets info" },
1682 { "show_streams", OPT_BOOL, {(void*)&do_show_streams}, "show streams info" },
1683 { "count_frames", OPT_BOOL, {(void*)&do_count_frames}, "count the number of frames per stream" },
1684 { "count_packets", OPT_BOOL, {(void*)&do_count_packets}, "count the number of packets per stream" },
1685 { "show_program_version", OPT_BOOL, {(void*)&do_show_program_version}, "show ffprobe version" },
1686 { "show_library_versions", OPT_BOOL, {(void*)&do_show_library_versions}, "show library versions" },
1687 { "show_versions", 0, {(void*)&opt_show_versions}, "show program and library versions" },
1688 { "show_private_data", OPT_BOOL, {(void*)&show_private_data}, "show private data" },
1689 { "private", OPT_BOOL, {(void*)&show_private_data}, "same as show_private_data" },
1690 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
1691 { "i", HAS_ARG, {(void *)opt_input_file}, "read specified file", "input_file"},
1695 int main(int argc, char **argv)
1698 WriterContext *wctx;
1700 char *w_name = NULL, *w_args = NULL;
1703 av_log_set_flags(AV_LOG_SKIP_REPEATED);
1704 parse_loglevel(argc, argv, options);
1706 avformat_network_init();
1709 avdevice_register_all();
1712 show_banner(argc, argv, options);
1713 parse_options(NULL, argc, argv, options, opt_input_file);
1715 writer_register_all();
1718 print_format = av_strdup("default");
1719 w_name = av_strtok(print_format, "=", &buf);
1722 w = writer_get_by_name(w_name);
1724 av_log(NULL, AV_LOG_ERROR, "Unknown output format with name '%s'\n", w_name);
1725 ret = AVERROR(EINVAL);
1729 if ((ret = writer_open(&wctx, w, w_args, NULL)) >= 0) {
1730 writer_print_header(wctx);
1732 if (do_show_program_version)
1733 ffprobe_show_program_version(wctx);
1734 if (do_show_library_versions)
1735 ffprobe_show_library_versions(wctx);
1737 if (!input_filename &&
1738 ((do_show_format || do_show_streams || do_show_packets || do_show_error) ||
1739 (!do_show_program_version && !do_show_library_versions))) {
1741 av_log(NULL, AV_LOG_ERROR, "You have to specify one input file.\n");
1742 av_log(NULL, AV_LOG_ERROR, "Use -h to get full help or, even better, run 'man %s'.\n", program_name);
1743 ret = AVERROR(EINVAL);
1744 } else if (input_filename) {
1745 ret = probe_file(wctx, input_filename);
1746 if (ret < 0 && do_show_error)
1747 show_error(wctx, ret);
1750 writer_print_footer(wctx);
1751 writer_close(&wctx);
1755 av_freep(&print_format);
1756 avformat_network_deinit();