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/opt.h"
33 #include "libavutil/pixdesc.h"
34 #include "libavutil/dict.h"
35 #include "libavdevice/avdevice.h"
36 #include "libswscale/swscale.h"
37 #include "libswresample/swresample.h"
38 #include "libpostproc/postprocess.h"
41 const char program_name[] = "ffprobe";
42 const int program_birth_year = 2007;
44 static int do_show_error = 0;
45 static int do_show_format = 0;
46 static int do_show_frames = 0;
47 static int do_show_packets = 0;
48 static int do_show_streams = 0;
49 static int do_show_program_version = 0;
50 static int do_show_library_versions = 0;
52 static int show_value_unit = 0;
53 static int use_value_prefix = 0;
54 static int use_byte_value_binary_prefix = 0;
55 static int use_value_sexagesimal_format = 0;
56 static int show_private_data = 1;
58 static char *print_format;
60 static const OptionDef options[];
63 static const char *input_filename;
64 static AVInputFormat *iformat = NULL;
66 static const char *binary_unit_prefixes [] = { "", "Ki", "Mi", "Gi", "Ti", "Pi" };
67 static const char *decimal_unit_prefixes[] = { "", "K" , "M" , "G" , "T" , "P" };
69 static const char *unit_second_str = "s" ;
70 static const char *unit_hertz_str = "Hz" ;
71 static const char *unit_byte_str = "byte" ;
72 static const char *unit_bit_per_second_str = "bit/s";
74 void av_noreturn exit_program(int ret)
80 union { double d; long long int i; } val;
84 static char *value_string(char *buf, int buf_size, struct unit_value uv)
89 if (uv.unit == unit_second_str) {
96 if (uv.unit == unit_second_str && use_value_sexagesimal_format) {
100 mins = (int)secs / 60;
101 secs = secs - mins * 60;
104 snprintf(buf, buf_size, "%d:%02d:%09.6f", hours, mins, secs);
106 const char *prefix_string = "";
109 if (use_value_prefix && vald > 1) {
112 if (uv.unit == unit_byte_str && use_byte_value_binary_prefix) {
113 index = (long long int) (log(vald)/log(2)) / 10;
114 index = av_clip(index, 0, FF_ARRAY_ELEMS(binary_unit_prefixes) - 1);
115 vald /= pow(2, index * 10);
116 prefix_string = binary_unit_prefixes[index];
118 index = (long long int) (log10(vald)) / 3;
119 index = av_clip(index, 0, FF_ARRAY_ELEMS(decimal_unit_prefixes) - 1);
120 vald /= pow(10, index * 3);
121 prefix_string = decimal_unit_prefixes[index];
125 if (show_float || (use_value_prefix && vald != (long long int)vald))
126 l = snprintf(buf, buf_size, "%f", vald);
128 l = snprintf(buf, buf_size, "%lld", (long long int)vald);
129 snprintf(buf+l, buf_size-l, "%s%s%s", *prefix_string || show_value_unit ? " " : "",
130 prefix_string, show_value_unit ? uv.unit : "");
138 typedef struct WriterContext WriterContext;
140 #define WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS 1
141 #define WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER 2
143 typedef struct Writer {
144 int priv_size; ///< private size for the writer context
147 int (*init) (WriterContext *wctx, const char *args, void *opaque);
148 void (*uninit)(WriterContext *wctx);
150 void (*print_header)(WriterContext *ctx);
151 void (*print_footer)(WriterContext *ctx);
153 void (*print_chapter_header)(WriterContext *wctx, const char *);
154 void (*print_chapter_footer)(WriterContext *wctx, const char *);
155 void (*print_section_header)(WriterContext *wctx, const char *);
156 void (*print_section_footer)(WriterContext *wctx, const char *);
157 void (*print_integer) (WriterContext *wctx, const char *, long long int);
158 void (*print_string) (WriterContext *wctx, const char *, const char *);
159 void (*show_tags) (WriterContext *wctx, AVDictionary *dict);
160 int flags; ///< a combination or WRITER_FLAG_*
163 struct WriterContext {
164 const AVClass *class; ///< class of the writer
165 const Writer *writer; ///< the Writer of which this is an instance
166 char *name; ///< name of this writer instance
167 void *priv; ///< private data for use by the filter
168 unsigned int nb_item; ///< number of the item printed in the given section, starting at 0
169 unsigned int nb_section; ///< number of the section printed in the given section sequence, starting at 0
170 unsigned int nb_chapter; ///< number of the chapter, starting at 0
173 static const char *writer_get_name(void *p)
175 WriterContext *wctx = p;
176 return wctx->writer->name;
179 static const AVClass writer_class = {
183 LIBAVUTIL_VERSION_INT,
186 static void writer_close(WriterContext **wctx)
191 if ((*wctx)->writer->uninit)
192 (*wctx)->writer->uninit(*wctx);
193 av_freep(&((*wctx)->priv));
197 static int writer_open(WriterContext **wctx, const Writer *writer,
198 const char *args, void *opaque)
202 if (!(*wctx = av_malloc(sizeof(WriterContext)))) {
203 ret = AVERROR(ENOMEM);
207 if (!((*wctx)->priv = av_mallocz(writer->priv_size))) {
208 ret = AVERROR(ENOMEM);
212 (*wctx)->class = &writer_class;
213 (*wctx)->writer = writer;
214 if ((*wctx)->writer->init)
215 ret = (*wctx)->writer->init(*wctx, args, opaque);
226 static inline void writer_print_header(WriterContext *wctx)
228 if (wctx->writer->print_header)
229 wctx->writer->print_header(wctx);
230 wctx->nb_chapter = 0;
233 static inline void writer_print_footer(WriterContext *wctx)
235 if (wctx->writer->print_footer)
236 wctx->writer->print_footer(wctx);
239 static inline void writer_print_chapter_header(WriterContext *wctx,
242 if (wctx->writer->print_chapter_header)
243 wctx->writer->print_chapter_header(wctx, chapter);
244 wctx->nb_section = 0;
247 static inline void writer_print_chapter_footer(WriterContext *wctx,
250 if (wctx->writer->print_chapter_footer)
251 wctx->writer->print_chapter_footer(wctx, chapter);
255 static inline void writer_print_section_header(WriterContext *wctx,
258 if (wctx->writer->print_section_header)
259 wctx->writer->print_section_header(wctx, section);
263 static inline void writer_print_section_footer(WriterContext *wctx,
266 if (wctx->writer->print_section_footer)
267 wctx->writer->print_section_footer(wctx, section);
271 static inline void writer_print_integer(WriterContext *wctx,
272 const char *key, long long int val)
274 wctx->writer->print_integer(wctx, key, val);
278 static inline void writer_print_string(WriterContext *wctx,
279 const char *key, const char *val, int opt)
281 if (opt && !(wctx->writer->flags & WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS))
283 wctx->writer->print_string(wctx, key, val);
287 static void writer_print_time(WriterContext *wctx, const char *key,
288 int64_t ts, const AVRational *time_base)
292 if (ts == AV_NOPTS_VALUE) {
293 writer_print_string(wctx, key, "N/A", 1);
295 double d = ts * av_q2d(*time_base);
296 value_string(buf, sizeof(buf), (struct unit_value){.val.d=d, .unit=unit_second_str});
297 writer_print_string(wctx, key, buf, 0);
301 static void writer_print_ts(WriterContext *wctx, const char *key, int64_t ts)
303 if (ts == AV_NOPTS_VALUE) {
304 writer_print_string(wctx, key, "N/A", 1);
306 writer_print_integer(wctx, key, ts);
310 static inline void writer_show_tags(WriterContext *wctx, AVDictionary *dict)
312 wctx->writer->show_tags(wctx, dict);
315 #define MAX_REGISTERED_WRITERS_NB 64
317 static const Writer *registered_writers[MAX_REGISTERED_WRITERS_NB + 1];
319 static int writer_register(const Writer *writer)
321 static int next_registered_writer_idx = 0;
323 if (next_registered_writer_idx == MAX_REGISTERED_WRITERS_NB)
324 return AVERROR(ENOMEM);
326 registered_writers[next_registered_writer_idx++] = writer;
330 static const Writer *writer_get_by_name(const char *name)
334 for (i = 0; registered_writers[i]; i++)
335 if (!strcmp(registered_writers[i]->name, name))
336 return registered_writers[i];
348 static char *fast_asprintf(struct print_buf *pbuf, const char *fmt, ...)
354 len = vsnprintf(NULL, 0, fmt, va);
359 if (pbuf->len < len) {
360 char *p = av_realloc(pbuf->s, len + 1);
368 len = vsnprintf(pbuf->s, len + 1, fmt, va);
380 #define ESCAPE_INIT_BUF_SIZE 256
382 #define ESCAPE_CHECK_SIZE(src, size, max_size) \
383 if (size > max_size) { \
385 snprintf(buf, sizeof(buf), "%s", src); \
386 av_log(log_ctx, AV_LOG_WARNING, \
387 "String '%s...' with is too big\n", buf); \
388 return "FFPROBE_TOO_BIG_STRING"; \
391 #define ESCAPE_REALLOC_BUF(dst_size_p, dst_p, src, size) \
392 if (*dst_size_p < size) { \
393 char *q = av_realloc(*dst_p, size); \
396 snprintf(buf, sizeof(buf), "%s", src); \
397 av_log(log_ctx, AV_LOG_WARNING, \
398 "String '%s...' could not be escaped\n", buf); \
399 return "FFPROBE_THIS_STRING_COULD_NOT_BE_ESCAPED"; \
401 *dst_size_p = size; \
409 static void default_print_footer(WriterContext *wctx)
414 static void default_print_chapter_header(WriterContext *wctx, const char *chapter)
416 if (wctx->nb_chapter)
420 /* lame uppercasing routine, assumes the string is lower case ASCII */
421 static inline char *upcase_string(char *dst, size_t dst_size, const char *src)
424 for (i = 0; src[i] && i < dst_size-1; i++)
425 dst[i] = av_toupper(src[i]);
430 static void default_print_section_header(WriterContext *wctx, const char *section)
434 if (wctx->nb_section)
436 printf("[%s]\n", upcase_string(buf, sizeof(buf), section));
439 static void default_print_section_footer(WriterContext *wctx, const char *section)
443 printf("[/%s]", upcase_string(buf, sizeof(buf), section));
446 static void default_print_str(WriterContext *wctx, const char *key, const char *value)
448 printf("%s=%s\n", key, value);
451 static void default_print_int(WriterContext *wctx, const char *key, long long int value)
453 printf("%s=%lld\n", key, value);
456 static void default_show_tags(WriterContext *wctx, AVDictionary *dict)
458 AVDictionaryEntry *tag = NULL;
459 while ((tag = av_dict_get(dict, "", tag, AV_DICT_IGNORE_SUFFIX))) {
461 writer_print_string(wctx, tag->key, tag->value, 0);
465 static const Writer default_writer = {
467 .print_footer = default_print_footer,
468 .print_chapter_header = default_print_chapter_header,
469 .print_section_header = default_print_section_header,
470 .print_section_footer = default_print_section_footer,
471 .print_integer = default_print_int,
472 .print_string = default_print_str,
473 .show_tags = default_show_tags,
474 .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS,
480 * Escape \n, \r, \\ and sep characters contained in s, and print the
483 static const char *c_escape_str(char **dst, size_t *dst_size,
484 const char *src, const char sep, void *log_ctx)
490 /* precompute size */
491 for (p = src; *p; p++, size++) {
492 ESCAPE_CHECK_SIZE(src, size, SIZE_MAX-2);
493 if (*p == '\n' || *p == '\r' || *p == '\\')
497 ESCAPE_REALLOC_BUF(dst_size, dst, src, size);
500 for (p = src; *p; p++) {
502 case '\n': *q++ = '\\'; *q++ = 'n'; break;
503 case '\r': *q++ = '\\'; *q++ = 'r'; break;
504 case '\\': *q++ = '\\'; *q++ = '\\'; break;
516 * Quote fields containing special characters, check RFC4180.
518 static const char *csv_escape_str(char **dst, size_t *dst_size,
519 const char *src, const char sep, void *log_ctx)
526 /* precompute size */
527 for (p = src; *p; p++, size++) {
528 ESCAPE_CHECK_SIZE(src, size, SIZE_MAX-4);
529 if (*p == '"' || *p == sep || *p == '\n' || *p == '\r')
538 ESCAPE_REALLOC_BUF(dst_size, dst, src, size);
556 static const char *none_escape_str(char **dst, size_t *dst_size,
557 const char *src, const char sep, void *log_ctx)
562 typedef struct CompactContext {
563 const AVClass *class;
569 char *escape_mode_str;
570 const char * (*escape_str)(char **dst, size_t *dst_size,
571 const char *src, const char sep, void *log_ctx);
574 #define OFFSET(x) offsetof(CompactContext, x)
576 static const AVOption compact_options[]= {
577 {"item_sep", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str="|"}, CHAR_MIN, CHAR_MAX },
578 {"s", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str="|"}, CHAR_MIN, CHAR_MAX },
579 {"nokey", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.dbl=0}, 0, 1 },
580 {"nk", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.dbl=0}, 0, 1 },
581 {"escape", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="c"}, CHAR_MIN, CHAR_MAX },
582 {"e", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="c"}, CHAR_MIN, CHAR_MAX },
586 static const char *compact_get_name(void *ctx)
591 static const AVClass compact_class = {
597 static av_cold int compact_init(WriterContext *wctx, const char *args, void *opaque)
599 CompactContext *compact = wctx->priv;
602 compact->class = &compact_class;
603 av_opt_set_defaults(compact);
606 (err = (av_set_options_string(compact, args, "=", ":"))) < 0) {
607 av_log(wctx, AV_LOG_ERROR, "Error parsing options string: '%s'\n", args);
610 if (strlen(compact->item_sep_str) != 1) {
611 av_log(wctx, AV_LOG_ERROR, "Item separator '%s' specified, but must contain a single character\n",
612 compact->item_sep_str);
613 return AVERROR(EINVAL);
615 compact->item_sep = compact->item_sep_str[0];
617 compact->buf_size = ESCAPE_INIT_BUF_SIZE;
618 if (!(compact->buf = av_malloc(compact->buf_size)))
619 return AVERROR(ENOMEM);
621 if (!strcmp(compact->escape_mode_str, "none")) compact->escape_str = none_escape_str;
622 else if (!strcmp(compact->escape_mode_str, "c" )) compact->escape_str = c_escape_str;
623 else if (!strcmp(compact->escape_mode_str, "csv" )) compact->escape_str = csv_escape_str;
625 av_log(wctx, AV_LOG_ERROR, "Unknown escape mode '%s'\n", compact->escape_mode_str);
626 return AVERROR(EINVAL);
632 static av_cold void compact_uninit(WriterContext *wctx)
634 CompactContext *compact = wctx->priv;
636 av_freep(&compact->item_sep_str);
637 av_freep(&compact->buf);
638 av_freep(&compact->escape_mode_str);
641 static void compact_print_section_header(WriterContext *wctx, const char *section)
643 CompactContext *compact = wctx->priv;
645 printf("%s%c", section, compact->item_sep);
648 static void compact_print_section_footer(WriterContext *wctx, const char *section)
653 static void compact_print_str(WriterContext *wctx, const char *key, const char *value)
655 CompactContext *compact = wctx->priv;
657 if (wctx->nb_item) printf("%c", compact->item_sep);
660 printf("%s", compact->escape_str(&compact->buf, &compact->buf_size,
661 value, compact->item_sep, wctx));
664 static void compact_print_int(WriterContext *wctx, const char *key, long long int value)
666 CompactContext *compact = wctx->priv;
668 if (wctx->nb_item) printf("%c", compact->item_sep);
671 printf("%lld", value);
674 static void compact_show_tags(WriterContext *wctx, AVDictionary *dict)
676 CompactContext *compact = wctx->priv;
677 AVDictionaryEntry *tag = NULL;
679 while ((tag = av_dict_get(dict, "", tag, AV_DICT_IGNORE_SUFFIX))) {
680 if (wctx->nb_item) printf("%c", compact->item_sep);
682 printf("tag:%s=", compact->escape_str(&compact->buf, &compact->buf_size,
683 tag->key, compact->item_sep, wctx));
684 printf("%s", compact->escape_str(&compact->buf, &compact->buf_size,
685 tag->value, compact->item_sep, wctx));
689 static const Writer compact_writer = {
691 .priv_size = sizeof(CompactContext),
692 .init = compact_init,
693 .uninit = compact_uninit,
694 .print_section_header = compact_print_section_header,
695 .print_section_footer = compact_print_section_footer,
696 .print_integer = compact_print_int,
697 .print_string = compact_print_str,
698 .show_tags = compact_show_tags,
699 .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS,
704 static av_cold int csv_init(WriterContext *wctx, const char *args, void *opaque)
706 return compact_init(wctx, "item_sep=,:nokey=1:escape=csv", opaque);
709 static const Writer csv_writer = {
711 .priv_size = sizeof(CompactContext),
713 .uninit = compact_uninit,
714 .print_section_header = compact_print_section_header,
715 .print_section_footer = compact_print_section_footer,
716 .print_integer = compact_print_int,
717 .print_string = compact_print_str,
718 .show_tags = compact_show_tags,
719 .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS,
725 const AVClass *class;
726 int multiple_entries; ///< tells if the given chapter requires multiple entries
729 int print_packets_and_frames;
732 const char *item_sep, *item_start_end;
736 #define OFFSET(x) offsetof(JSONContext, x)
738 static const AVOption json_options[]= {
739 { "compact", "enable compact output", OFFSET(compact), AV_OPT_TYPE_INT, {.dbl=0}, 0, 1 },
740 { "c", "enable compact output", OFFSET(compact), AV_OPT_TYPE_INT, {.dbl=0}, 0, 1 },
744 static const char *json_get_name(void *ctx)
749 static const AVClass json_class = {
755 static av_cold int json_init(WriterContext *wctx, const char *args, void *opaque)
757 JSONContext *json = wctx->priv;
760 json->class = &json_class;
761 av_opt_set_defaults(json);
764 (err = (av_set_options_string(json, args, "=", ":"))) < 0) {
765 av_log(wctx, AV_LOG_ERROR, "Error parsing options string: '%s'\n", args);
769 json->item_sep = json->compact ? ", " : ",\n";
770 json->item_start_end = json->compact ? " " : "\n";
772 json->buf_size = ESCAPE_INIT_BUF_SIZE;
773 if (!(json->buf = av_malloc(json->buf_size)))
774 return AVERROR(ENOMEM);
779 static av_cold void json_uninit(WriterContext *wctx)
781 JSONContext *json = wctx->priv;
782 av_freep(&json->buf);
785 static const char *json_escape_str(char **dst, size_t *dst_size, const char *src,
788 static const char json_escape[] = {'"', '\\', '\b', '\f', '\n', '\r', '\t', 0};
789 static const char json_subst[] = {'"', '\\', 'b', 'f', 'n', 'r', 't', 0};
794 // compute the length of the escaped string
795 for (p = src; *p; p++) {
796 ESCAPE_CHECK_SIZE(src, size, SIZE_MAX-6);
797 if (strchr(json_escape, *p)) size += 2; // simple escape
798 else if ((unsigned char)*p < 32) size += 6; // handle non-printable chars
799 else size += 1; // char copy
801 ESCAPE_REALLOC_BUF(dst_size, dst, src, size);
804 for (p = src; *p; p++) {
805 char *s = strchr(json_escape, *p);
808 *q++ = json_subst[s - json_escape];
809 } else if ((unsigned char)*p < 32) {
810 snprintf(q, 7, "\\u00%02x", *p & 0xff);
820 static void json_print_header(WriterContext *wctx)
822 JSONContext *json = wctx->priv;
824 json->indent_level++;
827 static void json_print_footer(WriterContext *wctx)
829 JSONContext *json = wctx->priv;
830 json->indent_level--;
834 #define JSON_INDENT() printf("%*c", json->indent_level * 4, ' ')
836 static void json_print_chapter_header(WriterContext *wctx, const char *chapter)
838 JSONContext *json = wctx->priv;
840 if (wctx->nb_chapter)
843 json->multiple_entries = !strcmp(chapter, "packets") || !strcmp(chapter, "frames" ) ||
844 !strcmp(chapter, "packets_and_frames") ||
845 !strcmp(chapter, "streams") || !strcmp(chapter, "library_versions");
846 if (json->multiple_entries) {
848 printf("\"%s\": [\n", json_escape_str(&json->buf, &json->buf_size, chapter, wctx));
849 json->print_packets_and_frames = !strcmp(chapter, "packets_and_frames");
850 json->indent_level++;
854 static void json_print_chapter_footer(WriterContext *wctx, const char *chapter)
856 JSONContext *json = wctx->priv;
858 if (json->multiple_entries) {
860 json->indent_level--;
866 static void json_print_section_header(WriterContext *wctx, const char *section)
868 JSONContext *json = wctx->priv;
870 if (wctx->nb_section)
873 if (!json->multiple_entries)
874 printf("\"%s\": ", section);
875 printf("{%s", json->item_start_end);
876 json->indent_level++;
877 /* this is required so the parser can distinguish between packets and frames */
878 if (json->print_packets_and_frames) {
881 printf("\"type\": \"%s\"%s", section, json->item_sep);
885 static void json_print_section_footer(WriterContext *wctx, const char *section)
887 JSONContext *json = wctx->priv;
889 printf("%s", json->item_start_end);
890 json->indent_level--;
896 static inline void json_print_item_str(WriterContext *wctx,
897 const char *key, const char *value)
899 JSONContext *json = wctx->priv;
901 printf("\"%s\":", json_escape_str(&json->buf, &json->buf_size, key, wctx));
902 printf(" \"%s\"", json_escape_str(&json->buf, &json->buf_size, value, wctx));
905 static void json_print_str(WriterContext *wctx, const char *key, const char *value)
907 JSONContext *json = wctx->priv;
909 if (wctx->nb_item) printf("%s", json->item_sep);
912 json_print_item_str(wctx, key, value);
915 static void json_print_int(WriterContext *wctx, const char *key, long long int value)
917 JSONContext *json = wctx->priv;
919 if (wctx->nb_item) printf("%s", json->item_sep);
922 printf("\"%s\": %lld",
923 json_escape_str(&json->buf, &json->buf_size, key, wctx), value);
926 static void json_show_tags(WriterContext *wctx, AVDictionary *dict)
928 JSONContext *json = wctx->priv;
929 AVDictionaryEntry *tag = NULL;
933 printf("%s", json->item_sep);
936 printf("\"tags\": {%s", json->item_start_end);
937 json->indent_level++;
938 while ((tag = av_dict_get(dict, "", tag, AV_DICT_IGNORE_SUFFIX))) {
939 if (is_first) is_first = 0;
940 else printf("%s", json->item_sep);
943 json_print_item_str(wctx, tag->key, tag->value);
945 json->indent_level--;
946 printf("%s", json->item_start_end);
952 static const Writer json_writer = {
954 .priv_size = sizeof(JSONContext),
956 .uninit = json_uninit,
957 .print_header = json_print_header,
958 .print_footer = json_print_footer,
959 .print_chapter_header = json_print_chapter_header,
960 .print_chapter_footer = json_print_chapter_footer,
961 .print_section_header = json_print_section_header,
962 .print_section_footer = json_print_section_footer,
963 .print_integer = json_print_int,
964 .print_string = json_print_str,
965 .show_tags = json_show_tags,
966 .flags = WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,
972 const AVClass *class;
974 int multiple_entries; ///< tells if the given chapter requires multiple entries
983 #define OFFSET(x) offsetof(XMLContext, x)
985 static const AVOption xml_options[] = {
986 {"fully_qualified", "specify if the output should be fully qualified", OFFSET(fully_qualified), AV_OPT_TYPE_INT, {.dbl=0}, 0, 1 },
987 {"q", "specify if the output should be fully qualified", OFFSET(fully_qualified), AV_OPT_TYPE_INT, {.dbl=0}, 0, 1 },
988 {"xsd_strict", "ensure that the output is XSD compliant", OFFSET(xsd_strict), AV_OPT_TYPE_INT, {.dbl=0}, 0, 1 },
989 {"x", "ensure that the output is XSD compliant", OFFSET(xsd_strict), AV_OPT_TYPE_INT, {.dbl=0}, 0, 1 },
993 static const char *xml_get_name(void *ctx)
998 static const AVClass xml_class = {
1004 static av_cold int xml_init(WriterContext *wctx, const char *args, void *opaque)
1006 XMLContext *xml = wctx->priv;
1009 xml->class = &xml_class;
1010 av_opt_set_defaults(xml);
1013 (err = (av_set_options_string(xml, args, "=", ":"))) < 0) {
1014 av_log(wctx, AV_LOG_ERROR, "Error parsing options string: '%s'\n", args);
1018 if (xml->xsd_strict) {
1019 xml->fully_qualified = 1;
1020 #define CHECK_COMPLIANCE(opt, opt_name) \
1022 av_log(wctx, AV_LOG_ERROR, \
1023 "XSD-compliant output selected but option '%s' was selected, XML output may be non-compliant.\n" \
1024 "You need to disable such option with '-no%s'\n", opt_name, opt_name); \
1025 return AVERROR(EINVAL); \
1027 CHECK_COMPLIANCE(show_private_data, "private");
1028 CHECK_COMPLIANCE(show_value_unit, "unit");
1029 CHECK_COMPLIANCE(use_value_prefix, "prefix");
1031 if (do_show_frames && do_show_packets) {
1032 av_log(wctx, AV_LOG_ERROR,
1033 "Interleaved frames and packets are not allowed in XSD. "
1034 "Select only one between the -show_frames and the -show_packets options.\n");
1035 return AVERROR(EINVAL);
1039 xml->buf_size = ESCAPE_INIT_BUF_SIZE;
1040 if (!(xml->buf = av_malloc(xml->buf_size)))
1041 return AVERROR(ENOMEM);
1045 static av_cold void xml_uninit(WriterContext *wctx)
1047 XMLContext *xml = wctx->priv;
1048 av_freep(&xml->buf);
1051 static const char *xml_escape_str(char **dst, size_t *dst_size, const char *src,
1058 /* precompute size */
1059 for (p = src; *p; p++, size++) {
1060 ESCAPE_CHECK_SIZE(src, size, SIZE_MAX-10);
1062 case '&' : size += strlen("&"); break;
1063 case '<' : size += strlen("<"); break;
1064 case '>' : size += strlen(">"); break;
1065 case '\"': size += strlen("""); break;
1066 case '\'': size += strlen("'"); break;
1070 ESCAPE_REALLOC_BUF(dst_size, dst, src, size);
1072 #define COPY_STR(str) { \
1073 const char *s = str; \
1082 case '&' : COPY_STR("&"); break;
1083 case '<' : COPY_STR("<"); break;
1084 case '>' : COPY_STR(">"); break;
1085 case '\"': COPY_STR("""); break;
1086 case '\'': COPY_STR("'"); break;
1096 static void xml_print_header(WriterContext *wctx)
1098 XMLContext *xml = wctx->priv;
1099 const char *qual = " xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' "
1100 "xmlns:ffprobe='http://www.ffmpeg.org/schema/ffprobe' "
1101 "xsi:schemaLocation='http://www.ffmpeg.org/schema/ffprobe ffprobe.xsd'";
1103 printf("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");
1104 printf("<%sffprobe%s>\n",
1105 xml->fully_qualified ? "ffprobe:" : "",
1106 xml->fully_qualified ? qual : "");
1108 xml->indent_level++;
1111 static void xml_print_footer(WriterContext *wctx)
1113 XMLContext *xml = wctx->priv;
1115 xml->indent_level--;
1116 printf("</%sffprobe>\n", xml->fully_qualified ? "ffprobe:" : "");
1119 #define XML_INDENT() printf("%*c", xml->indent_level * 4, ' ')
1121 static void xml_print_chapter_header(WriterContext *wctx, const char *chapter)
1123 XMLContext *xml = wctx->priv;
1125 if (wctx->nb_chapter)
1127 xml->multiple_entries = !strcmp(chapter, "packets") || !strcmp(chapter, "frames") ||
1128 !strcmp(chapter, "packets_and_frames") ||
1129 !strcmp(chapter, "streams") || !strcmp(chapter, "library_versions");
1131 if (xml->multiple_entries) {
1132 XML_INDENT(); printf("<%s>\n", chapter);
1133 xml->indent_level++;
1137 static void xml_print_chapter_footer(WriterContext *wctx, const char *chapter)
1139 XMLContext *xml = wctx->priv;
1141 if (xml->multiple_entries) {
1142 xml->indent_level--;
1143 XML_INDENT(); printf("</%s>\n", chapter);
1147 static void xml_print_section_header(WriterContext *wctx, const char *section)
1149 XMLContext *xml = wctx->priv;
1151 XML_INDENT(); printf("<%s ", section);
1152 xml->within_tag = 1;
1155 static void xml_print_section_footer(WriterContext *wctx, const char *section)
1157 XMLContext *xml = wctx->priv;
1159 if (xml->within_tag)
1162 XML_INDENT(); printf("</%s>\n", section);
1166 static void xml_print_str(WriterContext *wctx, const char *key, const char *value)
1168 XMLContext *xml = wctx->priv;
1172 printf("%s=\"%s\"", key, xml_escape_str(&xml->buf, &xml->buf_size, value, wctx));
1175 static void xml_print_int(WriterContext *wctx, const char *key, long long int value)
1179 printf("%s=\"%lld\"", key, value);
1182 static void xml_show_tags(WriterContext *wctx, AVDictionary *dict)
1184 XMLContext *xml = wctx->priv;
1185 AVDictionaryEntry *tag = NULL;
1188 xml->indent_level++;
1189 while ((tag = av_dict_get(dict, "", tag, AV_DICT_IGNORE_SUFFIX))) {
1191 /* close section tag */
1193 xml->within_tag = 0;
1197 printf("<tag key=\"%s\"",
1198 xml_escape_str(&xml->buf, &xml->buf_size, tag->key, wctx));
1199 printf(" value=\"%s\"/>\n",
1200 xml_escape_str(&xml->buf, &xml->buf_size, tag->value, wctx));
1202 xml->indent_level--;
1205 static Writer xml_writer = {
1207 .priv_size = sizeof(XMLContext),
1209 .uninit = xml_uninit,
1210 .print_header = xml_print_header,
1211 .print_footer = xml_print_footer,
1212 .print_chapter_header = xml_print_chapter_header,
1213 .print_chapter_footer = xml_print_chapter_footer,
1214 .print_section_header = xml_print_section_header,
1215 .print_section_footer = xml_print_section_footer,
1216 .print_integer = xml_print_int,
1217 .print_string = xml_print_str,
1218 .show_tags = xml_show_tags,
1219 .flags = WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,
1222 static void writer_register_all(void)
1224 static int initialized;
1230 writer_register(&default_writer);
1231 writer_register(&compact_writer);
1232 writer_register(&csv_writer);
1233 writer_register(&json_writer);
1234 writer_register(&xml_writer);
1237 #define print_fmt(k, f, ...) do { \
1238 if (fast_asprintf(&pbuf, f, __VA_ARGS__)) \
1239 writer_print_string(w, k, pbuf.s, 0); \
1242 #define print_fmt_opt(k, f, ...) do { \
1243 if (fast_asprintf(&pbuf, f, __VA_ARGS__)) \
1244 writer_print_string(w, k, pbuf.s, 1); \
1247 #define print_int(k, v) writer_print_integer(w, k, v)
1248 #define print_str(k, v) writer_print_string(w, k, v, 0)
1249 #define print_str_opt(k, v) writer_print_string(w, k, v, 1)
1250 #define print_time(k, v, tb) writer_print_time(w, k, v, tb)
1251 #define print_ts(k, v) writer_print_ts(w, k, v)
1252 #define print_val(k, v, u) writer_print_string(w, k, \
1253 value_string(val_str, sizeof(val_str), (struct unit_value){.val.i = v, .unit=u}), 0)
1254 #define print_section_header(s) writer_print_section_header(w, s)
1255 #define print_section_footer(s) writer_print_section_footer(w, s)
1256 #define show_tags(metadata) writer_show_tags(w, metadata)
1258 static void show_packet(WriterContext *w, AVFormatContext *fmt_ctx, AVPacket *pkt, int packet_idx)
1261 AVStream *st = fmt_ctx->streams[pkt->stream_index];
1262 struct print_buf pbuf = {.s = NULL};
1265 print_section_header("packet");
1266 s = av_get_media_type_string(st->codec->codec_type);
1267 if (s) print_str ("codec_type", s);
1268 else print_str_opt("codec_type", "unknown");
1269 print_int("stream_index", pkt->stream_index);
1270 print_ts ("pts", pkt->pts);
1271 print_time("pts_time", pkt->pts, &st->time_base);
1272 print_ts ("dts", pkt->dts);
1273 print_time("dts_time", pkt->dts, &st->time_base);
1274 print_ts ("duration", pkt->duration);
1275 print_time("duration_time", pkt->duration, &st->time_base);
1276 print_val("size", pkt->size, unit_byte_str);
1277 if (pkt->pos != -1) print_fmt ("pos", "%"PRId64, pkt->pos);
1278 else print_str_opt("pos", "N/A");
1279 print_fmt("flags", "%c", pkt->flags & AV_PKT_FLAG_KEY ? 'K' : '_');
1280 print_section_footer("packet");
1286 static void show_frame(WriterContext *w, AVFrame *frame, AVStream *stream)
1288 struct print_buf pbuf = {.s = NULL};
1291 print_section_header("frame");
1293 s = av_get_media_type_string(stream->codec->codec_type);
1294 if (s) print_str ("media_type", s);
1295 else print_str_opt("media_type", "unknown");
1296 print_int("key_frame", frame->key_frame);
1297 print_ts ("pkt_pts", frame->pkt_pts);
1298 print_time("pkt_pts_time", frame->pkt_pts, &stream->time_base);
1299 print_ts ("pkt_dts", frame->pkt_dts);
1300 print_time("pkt_dts_time", frame->pkt_dts, &stream->time_base);
1301 if (frame->pkt_pos != -1) print_fmt ("pkt_pos", "%"PRId64, frame->pkt_pos);
1302 else print_str_opt("pkt_pos", "N/A");
1304 switch (stream->codec->codec_type) {
1305 case AVMEDIA_TYPE_VIDEO:
1306 print_int("width", frame->width);
1307 print_int("height", frame->height);
1308 s = av_get_pix_fmt_name(frame->format);
1309 if (s) print_str ("pix_fmt", s);
1310 else print_str_opt("pix_fmt", "unknown");
1311 if (frame->sample_aspect_ratio.num) {
1312 print_fmt("sample_aspect_ratio", "%d:%d",
1313 frame->sample_aspect_ratio.num,
1314 frame->sample_aspect_ratio.den);
1316 print_str_opt("sample_aspect_ratio", "N/A");
1318 print_fmt("pict_type", "%c", av_get_picture_type_char(frame->pict_type));
1319 print_int("coded_picture_number", frame->coded_picture_number);
1320 print_int("display_picture_number", frame->display_picture_number);
1321 print_int("interlaced_frame", frame->interlaced_frame);
1322 print_int("top_field_first", frame->top_field_first);
1323 print_int("repeat_pict", frame->repeat_pict);
1324 print_int("reference", frame->reference);
1327 case AVMEDIA_TYPE_AUDIO:
1328 s = av_get_sample_fmt_name(frame->format);
1329 if (s) print_str ("sample_fmt", s);
1330 else print_str_opt("sample_fmt", "unknown");
1331 print_int("nb_samples", frame->nb_samples);
1335 print_section_footer("frame");
1341 static av_always_inline int get_decoded_frame(AVFormatContext *fmt_ctx,
1342 AVFrame *frame, int *got_frame,
1345 AVCodecContext *dec_ctx = fmt_ctx->streams[pkt->stream_index]->codec;
1349 switch (dec_ctx->codec_type) {
1350 case AVMEDIA_TYPE_VIDEO:
1351 ret = avcodec_decode_video2(dec_ctx, frame, got_frame, pkt);
1354 case AVMEDIA_TYPE_AUDIO:
1355 ret = avcodec_decode_audio4(dec_ctx, frame, got_frame, pkt);
1362 static void show_packets(WriterContext *w, AVFormatContext *fmt_ctx)
1366 int i = 0, ret, got_frame;
1368 av_init_packet(&pkt);
1370 while (!av_read_frame(fmt_ctx, &pkt)) {
1371 if (do_show_packets)
1372 show_packet(w, fmt_ctx, &pkt, i++);
1373 if (do_show_frames) {
1376 avcodec_get_frame_defaults(&frame);
1377 ret = get_decoded_frame(fmt_ctx, &frame, &got_frame, &pkt1);
1378 if (ret < 0 || !got_frame)
1380 show_frame(w, &frame, fmt_ctx->streams[pkt.stream_index]);
1385 av_free_packet(&pkt);
1387 av_init_packet(&pkt);
1390 //Flush remaining frames that are cached in the decoder
1391 for (i = 0; i < fmt_ctx->nb_streams; i++) {
1392 pkt.stream_index = i;
1393 while (get_decoded_frame(fmt_ctx, &frame, &got_frame, &pkt) >= 0 && got_frame)
1394 show_frame(w, &frame, fmt_ctx->streams[pkt.stream_index]);
1398 static void show_stream(WriterContext *w, AVFormatContext *fmt_ctx, int stream_idx)
1400 AVStream *stream = fmt_ctx->streams[stream_idx];
1401 AVCodecContext *dec_ctx;
1405 AVRational display_aspect_ratio;
1406 struct print_buf pbuf = {.s = NULL};
1408 print_section_header("stream");
1410 print_int("index", stream->index);
1412 if ((dec_ctx = stream->codec)) {
1413 if ((dec = dec_ctx->codec)) {
1414 print_str("codec_name", dec->name);
1415 print_str("codec_long_name", dec->long_name);
1417 print_str_opt("codec_name", "unknown");
1418 print_str_opt("codec_long_name", "unknown");
1421 s = av_get_media_type_string(dec_ctx->codec_type);
1422 if (s) print_str ("codec_type", s);
1423 else print_str_opt("codec_type", "unknown");
1424 print_fmt("codec_time_base", "%d/%d", dec_ctx->time_base.num, dec_ctx->time_base.den);
1426 /* print AVI/FourCC tag */
1427 av_get_codec_tag_string(val_str, sizeof(val_str), dec_ctx->codec_tag);
1428 print_str("codec_tag_string", val_str);
1429 print_fmt("codec_tag", "0x%04x", dec_ctx->codec_tag);
1431 switch (dec_ctx->codec_type) {
1432 case AVMEDIA_TYPE_VIDEO:
1433 print_int("width", dec_ctx->width);
1434 print_int("height", dec_ctx->height);
1435 print_int("has_b_frames", dec_ctx->has_b_frames);
1436 if (dec_ctx->sample_aspect_ratio.num) {
1437 print_fmt("sample_aspect_ratio", "%d:%d",
1438 dec_ctx->sample_aspect_ratio.num,
1439 dec_ctx->sample_aspect_ratio.den);
1440 av_reduce(&display_aspect_ratio.num, &display_aspect_ratio.den,
1441 dec_ctx->width * dec_ctx->sample_aspect_ratio.num,
1442 dec_ctx->height * dec_ctx->sample_aspect_ratio.den,
1444 print_fmt("display_aspect_ratio", "%d:%d",
1445 display_aspect_ratio.num,
1446 display_aspect_ratio.den);
1448 print_str_opt("sample_aspect_ratio", "N/A");
1449 print_str_opt("display_aspect_ratio", "N/A");
1451 s = av_get_pix_fmt_name(dec_ctx->pix_fmt);
1452 if (s) print_str ("pix_fmt", s);
1453 else print_str_opt("pix_fmt", "unknown");
1454 print_int("level", dec_ctx->level);
1455 if (dec_ctx->timecode_frame_start >= 0) {
1456 uint32_t tc = dec_ctx->timecode_frame_start;
1457 print_fmt("timecode", "%02d:%02d:%02d%c%02d",
1458 tc>>19 & 0x1f, // hours
1459 tc>>13 & 0x3f, // minutes
1460 tc>>6 & 0x3f, // seconds
1461 tc & 1<<24 ? ';' : ':', // drop
1462 tc & 0x3f); // frames
1464 print_str_opt("timecode", "N/A");
1468 case AVMEDIA_TYPE_AUDIO:
1469 s = av_get_sample_fmt_name(dec_ctx->sample_fmt);
1470 if (s) print_str ("sample_fmt", s);
1471 else print_str_opt("sample_fmt", "unknown");
1472 print_val("sample_rate", dec_ctx->sample_rate, unit_hertz_str);
1473 print_int("channels", dec_ctx->channels);
1474 print_int("bits_per_sample", av_get_bits_per_sample(dec_ctx->codec_id));
1478 print_str_opt("codec_type", "unknown");
1480 if (dec_ctx->codec && dec_ctx->codec->priv_class && show_private_data) {
1481 const AVOption *opt = NULL;
1482 while (opt = av_opt_next(dec_ctx->priv_data,opt)) {
1484 if (opt->flags) continue;
1485 if (av_opt_get(dec_ctx->priv_data, opt->name, 0, &str) >= 0) {
1486 print_str(opt->name, str);
1492 if (fmt_ctx->iformat->flags & AVFMT_SHOW_IDS) print_fmt ("id", "0x%x", stream->id);
1493 else print_str_opt("id", "N/A");
1494 print_fmt("r_frame_rate", "%d/%d", stream->r_frame_rate.num, stream->r_frame_rate.den);
1495 print_fmt("avg_frame_rate", "%d/%d", stream->avg_frame_rate.num, stream->avg_frame_rate.den);
1496 print_fmt("time_base", "%d/%d", stream->time_base.num, stream->time_base.den);
1497 print_time("start_time", stream->start_time, &stream->time_base);
1498 print_time("duration", stream->duration, &stream->time_base);
1499 if (stream->nb_frames) print_fmt ("nb_frames", "%"PRId64, stream->nb_frames);
1500 else print_str_opt("nb_frames", "N/A");
1501 show_tags(stream->metadata);
1503 print_section_footer("stream");
1508 static void show_streams(WriterContext *w, AVFormatContext *fmt_ctx)
1511 for (i = 0; i < fmt_ctx->nb_streams; i++)
1512 show_stream(w, fmt_ctx, i);
1515 static void show_format(WriterContext *w, AVFormatContext *fmt_ctx)
1518 int64_t size = fmt_ctx->pb ? avio_size(fmt_ctx->pb) : -1;
1520 print_section_header("format");
1521 print_str("filename", fmt_ctx->filename);
1522 print_int("nb_streams", fmt_ctx->nb_streams);
1523 print_str("format_name", fmt_ctx->iformat->name);
1524 print_str("format_long_name", fmt_ctx->iformat->long_name);
1525 print_time("start_time", fmt_ctx->start_time, &AV_TIME_BASE_Q);
1526 print_time("duration", fmt_ctx->duration, &AV_TIME_BASE_Q);
1527 if (size >= 0) print_val ("size", size, unit_byte_str);
1528 else print_str_opt("size", "N/A");
1529 if (fmt_ctx->bit_rate > 0) print_val ("bit_rate", fmt_ctx->bit_rate, unit_bit_per_second_str);
1530 else print_str_opt("bit_rate", "N/A");
1531 show_tags(fmt_ctx->metadata);
1532 print_section_footer("format");
1536 static void show_error(WriterContext *w, int err)
1539 const char *errbuf_ptr = errbuf;
1541 if (av_strerror(err, errbuf, sizeof(errbuf)) < 0)
1542 errbuf_ptr = strerror(AVUNERROR(err));
1544 writer_print_chapter_header(w, "error");
1545 print_section_header("error");
1546 print_int("code", err);
1547 print_str("string", errbuf_ptr);
1548 print_section_footer("error");
1549 writer_print_chapter_footer(w, "error");
1552 static int open_input_file(AVFormatContext **fmt_ctx_ptr, const char *filename)
1555 AVFormatContext *fmt_ctx = NULL;
1556 AVDictionaryEntry *t;
1558 if ((err = avformat_open_input(&fmt_ctx, filename,
1559 iformat, &format_opts)) < 0) {
1560 print_error(filename, err);
1563 if ((t = av_dict_get(format_opts, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
1564 av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
1565 return AVERROR_OPTION_NOT_FOUND;
1569 /* fill the streams in the format context */
1570 if ((err = avformat_find_stream_info(fmt_ctx, NULL)) < 0) {
1571 print_error(filename, err);
1575 av_dump_format(fmt_ctx, 0, filename, 0);
1577 /* bind a decoder to each input stream */
1578 for (i = 0; i < fmt_ctx->nb_streams; i++) {
1579 AVStream *stream = fmt_ctx->streams[i];
1582 if (!(codec = avcodec_find_decoder(stream->codec->codec_id))) {
1583 av_log(NULL, AV_LOG_ERROR,
1584 "Unsupported codec with id %d for input stream %d\n",
1585 stream->codec->codec_id, stream->index);
1586 } else if (avcodec_open2(stream->codec, codec, NULL) < 0) {
1587 av_log(NULL, AV_LOG_ERROR, "Error while opening codec for input stream %d\n",
1592 *fmt_ctx_ptr = fmt_ctx;
1596 #define PRINT_CHAPTER(name) do { \
1597 if (do_show_ ## name) { \
1598 writer_print_chapter_header(wctx, #name); \
1599 show_ ## name (wctx, fmt_ctx); \
1600 writer_print_chapter_footer(wctx, #name); \
1604 static int probe_file(WriterContext *wctx, const char *filename)
1606 AVFormatContext *fmt_ctx;
1609 ret = open_input_file(&fmt_ctx, filename);
1611 if (do_show_packets || do_show_frames) {
1612 const char *chapter;
1613 if (do_show_frames && do_show_packets &&
1614 wctx->writer->flags & WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER)
1615 chapter = "packets_and_frames";
1616 else if (do_show_packets && !do_show_frames)
1617 chapter = "packets";
1618 else // (!do_show_packets && do_show_frames)
1620 writer_print_chapter_header(wctx, chapter);
1621 show_packets(wctx, fmt_ctx);
1622 writer_print_chapter_footer(wctx, chapter);
1624 PRINT_CHAPTER(streams);
1625 PRINT_CHAPTER(format);
1626 for (i = 0; i < fmt_ctx->nb_streams; i++)
1627 if (fmt_ctx->streams[i]->codec->codec_id != CODEC_ID_NONE)
1628 avcodec_close(fmt_ctx->streams[i]->codec);
1629 avformat_close_input(&fmt_ctx);
1635 static void show_usage(void)
1637 av_log(NULL, AV_LOG_INFO, "Simple multimedia streams analyzer\n");
1638 av_log(NULL, AV_LOG_INFO, "usage: %s [OPTIONS] [INPUT_FILE]\n", program_name);
1639 av_log(NULL, AV_LOG_INFO, "\n");
1642 static void ffprobe_show_program_version(WriterContext *w)
1644 struct print_buf pbuf = {.s = NULL};
1646 writer_print_chapter_header(w, "program_version");
1647 print_section_header("program_version");
1648 print_str("version", FFMPEG_VERSION);
1649 print_fmt("copyright", "Copyright (c) %d-%d the FFmpeg developers",
1650 program_birth_year, this_year);
1651 print_str("build_date", __DATE__);
1652 print_str("build_time", __TIME__);
1653 print_str("compiler_type", CC_TYPE);
1654 print_str("compiler_version", CC_VERSION);
1655 print_str("configuration", FFMPEG_CONFIGURATION);
1656 print_section_footer("program_version");
1657 writer_print_chapter_footer(w, "program_version");
1662 #define SHOW_LIB_VERSION(libname, LIBNAME) \
1664 if (CONFIG_##LIBNAME) { \
1665 unsigned int version = libname##_version(); \
1666 print_section_header("library_version"); \
1667 print_str("name", "lib" #libname); \
1668 print_int("major", LIB##LIBNAME##_VERSION_MAJOR); \
1669 print_int("minor", LIB##LIBNAME##_VERSION_MINOR); \
1670 print_int("micro", LIB##LIBNAME##_VERSION_MICRO); \
1671 print_int("version", version); \
1672 print_section_footer("library_version"); \
1676 static void ffprobe_show_library_versions(WriterContext *w)
1678 writer_print_chapter_header(w, "library_versions");
1679 SHOW_LIB_VERSION(avutil, AVUTIL);
1680 SHOW_LIB_VERSION(avcodec, AVCODEC);
1681 SHOW_LIB_VERSION(avformat, AVFORMAT);
1682 SHOW_LIB_VERSION(avdevice, AVDEVICE);
1683 SHOW_LIB_VERSION(avfilter, AVFILTER);
1684 SHOW_LIB_VERSION(swscale, SWSCALE);
1685 SHOW_LIB_VERSION(swresample, SWRESAMPLE);
1686 SHOW_LIB_VERSION(postproc, POSTPROC);
1687 writer_print_chapter_footer(w, "library_versions");
1690 static int opt_format(const char *opt, const char *arg)
1692 iformat = av_find_input_format(arg);
1694 av_log(NULL, AV_LOG_ERROR, "Unknown input format: %s\n", arg);
1695 return AVERROR(EINVAL);
1700 static void opt_input_file(void *optctx, const char *arg)
1702 if (input_filename) {
1703 av_log(NULL, AV_LOG_ERROR,
1704 "Argument '%s' provided as input filename, but '%s' was already specified.\n",
1705 arg, input_filename);
1708 if (!strcmp(arg, "-"))
1710 input_filename = arg;
1713 static int opt_help(const char *opt, const char *arg)
1715 av_log_set_callback(log_callback_help);
1717 show_help_options(options, "Main options:\n", 0, 0);
1720 show_help_children(avformat_get_class(), AV_OPT_FLAG_DECODING_PARAM);
1725 static int opt_pretty(const char *opt, const char *arg)
1727 show_value_unit = 1;
1728 use_value_prefix = 1;
1729 use_byte_value_binary_prefix = 1;
1730 use_value_sexagesimal_format = 1;
1734 static int opt_show_versions(const char *opt, const char *arg)
1736 do_show_program_version = 1;
1737 do_show_library_versions = 1;
1741 static const OptionDef options[] = {
1742 #include "cmdutils_common_opts.h"
1743 { "f", HAS_ARG, {(void*)opt_format}, "force format", "format" },
1744 { "unit", OPT_BOOL, {(void*)&show_value_unit}, "show unit of the displayed values" },
1745 { "prefix", OPT_BOOL, {(void*)&use_value_prefix}, "use SI prefixes for the displayed values" },
1746 { "byte_binary_prefix", OPT_BOOL, {(void*)&use_byte_value_binary_prefix},
1747 "use binary prefixes for byte units" },
1748 { "sexagesimal", OPT_BOOL, {(void*)&use_value_sexagesimal_format},
1749 "use sexagesimal format HOURS:MM:SS.MICROSECONDS for time units" },
1750 { "pretty", 0, {(void*)&opt_pretty},
1751 "prettify the format of displayed values, make it more human readable" },
1752 { "print_format", OPT_STRING | HAS_ARG, {(void*)&print_format},
1753 "set the output printing format (available formats are: default, compact, csv, json, xml)", "format" },
1754 { "show_error", OPT_BOOL, {(void*)&do_show_error} , "show probing error" },
1755 { "show_format", OPT_BOOL, {(void*)&do_show_format} , "show format/container info" },
1756 { "show_frames", OPT_BOOL, {(void*)&do_show_frames} , "show frames info" },
1757 { "show_packets", OPT_BOOL, {(void*)&do_show_packets}, "show packets info" },
1758 { "show_streams", OPT_BOOL, {(void*)&do_show_streams}, "show streams info" },
1759 { "show_program_version", OPT_BOOL, {(void*)&do_show_program_version}, "show ffprobe version" },
1760 { "show_library_versions", OPT_BOOL, {(void*)&do_show_library_versions}, "show library versions" },
1761 { "show_versions", 0, {(void*)&opt_show_versions}, "show program and library versions" },
1762 { "show_private_data", OPT_BOOL, {(void*)&show_private_data}, "show private data" },
1763 { "private", OPT_BOOL, {(void*)&show_private_data}, "same as show_private_data" },
1764 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
1765 { "i", HAS_ARG, {(void *)opt_input_file}, "read specified file", "input_file"},
1769 int main(int argc, char **argv)
1772 WriterContext *wctx;
1774 char *w_name = NULL, *w_args = NULL;
1777 av_log_set_flags(AV_LOG_SKIP_REPEATED);
1778 parse_loglevel(argc, argv, options);
1780 avformat_network_init();
1783 avdevice_register_all();
1786 show_banner(argc, argv, options);
1787 parse_options(NULL, argc, argv, options, opt_input_file);
1789 writer_register_all();
1792 print_format = av_strdup("default");
1793 w_name = av_strtok(print_format, "=", &buf);
1796 w = writer_get_by_name(w_name);
1798 av_log(NULL, AV_LOG_ERROR, "Unknown output format with name '%s'\n", w_name);
1799 ret = AVERROR(EINVAL);
1803 if ((ret = writer_open(&wctx, w, w_args, NULL)) >= 0) {
1804 writer_print_header(wctx);
1806 if (do_show_program_version)
1807 ffprobe_show_program_version(wctx);
1808 if (do_show_library_versions)
1809 ffprobe_show_library_versions(wctx);
1811 if (!input_filename &&
1812 ((do_show_format || do_show_streams || do_show_packets || do_show_error) ||
1813 (!do_show_program_version && !do_show_library_versions))) {
1815 av_log(NULL, AV_LOG_ERROR, "You have to specify one input file.\n");
1816 av_log(NULL, AV_LOG_ERROR, "Use -h to get full help or, even better, run 'man %s'.\n", program_name);
1817 ret = AVERROR(EINVAL);
1818 } else if (input_filename) {
1819 ret = probe_file(wctx, input_filename);
1820 if (ret < 0 && do_show_error)
1821 show_error(wctx, ret);
1824 writer_print_footer(wctx);
1825 writer_close(&wctx);
1829 av_freep(&print_format);
1830 avformat_network_deinit();