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
28 #include "libavformat/avformat.h"
29 #include "libavcodec/avcodec.h"
30 #include "libavutil/avstring.h"
31 #include "libavutil/opt.h"
32 #include "libavutil/pixdesc.h"
33 #include "libavutil/dict.h"
34 #include "libavdevice/avdevice.h"
37 const char program_name[] = "ffprobe";
38 const int program_birth_year = 2007;
40 static int do_show_format = 0;
41 static int do_show_packets = 0;
42 static int do_show_streams = 0;
44 static int show_value_unit = 0;
45 static int use_value_prefix = 0;
46 static int use_byte_value_binary_prefix = 0;
47 static int use_value_sexagesimal_format = 0;
49 static char *print_format;
51 static const OptionDef options[];
54 static const char *input_filename;
55 static AVInputFormat *iformat = NULL;
57 static const char *binary_unit_prefixes [] = { "", "Ki", "Mi", "Gi", "Ti", "Pi" };
58 static const char *decimal_unit_prefixes[] = { "", "K" , "M" , "G" , "T" , "P" };
60 static const char *unit_second_str = "s" ;
61 static const char *unit_hertz_str = "Hz" ;
62 static const char *unit_byte_str = "byte" ;
63 static const char *unit_bit_per_second_str = "bit/s";
65 void av_noreturn exit_program(int ret)
71 union { double d; int i; } val;
75 static char *value_string(char *buf, int buf_size, struct unit_value uv)
80 if (uv.unit == unit_second_str) {
87 if (uv.unit == unit_second_str && use_value_sexagesimal_format) {
91 mins = (int)secs / 60;
92 secs = secs - mins * 60;
95 snprintf(buf, buf_size, "%d:%02d:%09.6f", hours, mins, secs);
96 } else if (use_value_prefix) {
97 const char *prefix_string;
100 if (uv.unit == unit_byte_str && use_byte_value_binary_prefix) {
101 index = (int) (log(vald)/log(2)) / 10;
102 index = av_clip(index, 0, FF_ARRAY_ELEMS(binary_unit_prefixes) -1);
103 vald /= pow(2, index*10);
104 prefix_string = binary_unit_prefixes[index];
106 index = (int) (log10(vald)) / 3;
107 index = av_clip(index, 0, FF_ARRAY_ELEMS(decimal_unit_prefixes) -1);
108 vald /= pow(10, index*3);
109 prefix_string = decimal_unit_prefixes[index];
112 if (show_float || vald != (int)vald) l = snprintf(buf, buf_size, "%.3f", vald);
113 else l = snprintf(buf, buf_size, "%d", (int)vald);
114 snprintf(buf+l, buf_size-l, "%s%s%s", prefix_string || show_value_unit ? " " : "",
115 prefix_string, show_value_unit ? uv.unit : "");
119 if (show_float) l = snprintf(buf, buf_size, "%.3f", vald);
120 else l = snprintf(buf, buf_size, "%d", (int)vald);
121 snprintf(buf+l, buf_size-l, "%s%s", show_value_unit ? " " : "",
122 show_value_unit ? uv.unit : "");
130 typedef struct WriterContext WriterContext;
132 #define WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS 1
134 typedef struct Writer {
135 int priv_size; ///< private size for the writer context
138 int (*init) (WriterContext *wctx, const char *args, void *opaque);
139 void (*uninit)(WriterContext *wctx);
141 void (*print_header)(WriterContext *ctx);
142 void (*print_footer)(WriterContext *ctx);
144 void (*print_chapter_header)(WriterContext *wctx, const char *);
145 void (*print_chapter_footer)(WriterContext *wctx, const char *);
146 void (*print_section_header)(WriterContext *wctx, const char *);
147 void (*print_section_footer)(WriterContext *wctx, const char *);
148 void (*print_integer) (WriterContext *wctx, const char *, long long int);
149 void (*print_string) (WriterContext *wctx, const char *, const char *);
150 void (*show_tags) (WriterContext *wctx, AVDictionary *dict);
151 int flags; ///< a combination or WRITER_FLAG_*
154 struct WriterContext {
155 const AVClass *class; ///< class of the writer
156 const Writer *writer; ///< the Writer of which this is an instance
157 char *name; ///< name of this writer instance
158 void *priv; ///< private data for use by the filter
159 unsigned int nb_item; ///< number of the item printed in the given section, starting at 0
160 unsigned int nb_section; ///< number of the section printed in the given section sequence, starting at 0
161 unsigned int nb_chapter; ///< number of the chapter, starting at 0
164 static const char *writer_get_name(void *p)
166 WriterContext *wctx = p;
167 return wctx->writer->name;
170 static const AVClass writer_class = {
174 LIBAVUTIL_VERSION_INT,
177 static void writer_close(WriterContext **wctx)
179 if (*wctx && (*wctx)->writer->uninit)
180 (*wctx)->writer->uninit(*wctx);
182 av_freep(&((*wctx)->priv));
186 static int writer_open(WriterContext **wctx, const Writer *writer,
187 const char *args, void *opaque)
191 if (!(*wctx = av_malloc(sizeof(WriterContext)))) {
192 ret = AVERROR(ENOMEM);
196 if (!((*wctx)->priv = av_mallocz(writer->priv_size))) {
197 ret = AVERROR(ENOMEM);
201 (*wctx)->class = &writer_class;
202 (*wctx)->writer = writer;
203 if ((*wctx)->writer->init)
204 ret = (*wctx)->writer->init(*wctx, args, opaque);
215 static inline void writer_print_header(WriterContext *wctx)
217 if (wctx->writer->print_header)
218 wctx->writer->print_header(wctx);
219 wctx->nb_chapter = 0;
222 static inline void writer_print_footer(WriterContext *wctx)
224 if (wctx->writer->print_footer)
225 wctx->writer->print_footer(wctx);
228 static inline void writer_print_chapter_header(WriterContext *wctx,
231 if (wctx->writer->print_chapter_header)
232 wctx->writer->print_chapter_header(wctx, header);
233 wctx->nb_section = 0;
236 static inline void writer_print_chapter_footer(WriterContext *wctx,
239 if (wctx->writer->print_chapter_footer)
240 wctx->writer->print_chapter_footer(wctx, footer);
244 static inline void writer_print_section_header(WriterContext *wctx,
247 if (wctx->writer->print_section_header)
248 wctx->writer->print_section_header(wctx, header);
252 static inline void writer_print_section_footer(WriterContext *wctx,
255 if (wctx->writer->print_section_footer)
256 wctx->writer->print_section_footer(wctx, footer);
260 static inline void writer_print_integer(WriterContext *wctx,
261 const char *key, long long int val)
263 wctx->writer->print_integer(wctx, key, val);
267 static inline void writer_print_string(WriterContext *wctx,
268 const char *key, const char *val, int opt)
270 if (opt && !(wctx->writer->flags & WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS))
272 wctx->writer->print_string(wctx, key, val);
276 static void writer_print_time(WriterContext *wctx, const char *key,
277 int64_t ts, const AVRational *time_base)
281 if (ts == AV_NOPTS_VALUE) {
282 writer_print_string(wctx, key, "N/A", 1);
284 double d = ts * av_q2d(*time_base);
285 value_string(buf, sizeof(buf), (struct unit_value){.val.d=d, .unit=unit_second_str});
286 writer_print_string(wctx, key, buf, 0);
290 static void writer_print_ts(WriterContext *wctx, const char *key, int64_t ts)
292 if (ts == AV_NOPTS_VALUE) {
293 writer_print_string(wctx, key, "N/A", 1);
295 writer_print_integer(wctx, key, ts);
299 static inline void writer_show_tags(WriterContext *wctx, AVDictionary *dict)
301 wctx->writer->show_tags(wctx, dict);
304 #define MAX_REGISTERED_WRITERS_NB 64
306 static const Writer *registered_writers[MAX_REGISTERED_WRITERS_NB + 1];
308 static int writer_register(const Writer *writer)
310 static int next_registered_writer_idx = 0;
312 if (next_registered_writer_idx == MAX_REGISTERED_WRITERS_NB)
313 return AVERROR(ENOMEM);
315 registered_writers[next_registered_writer_idx++] = writer;
319 static const Writer *writer_get_by_name(const char *name)
323 for (i = 0; registered_writers[i]; i++)
324 if (!strcmp(registered_writers[i]->name, name))
325 return registered_writers[i];
337 static char *fast_asprintf(struct print_buf *pbuf, const char *fmt, ...)
343 len = vsnprintf(NULL, 0, fmt, va);
348 if (pbuf->len < len) {
349 char *p = av_realloc(pbuf->s, len + 1);
357 len = vsnprintf(pbuf->s, len + 1, fmt, va);
369 #define ESCAPE_INIT_BUF_SIZE 256
371 #define ESCAPE_CHECK_SIZE(src, size, max_size) \
372 if (size > max_size) { \
374 snprintf(buf, sizeof(buf), "%s", src); \
375 av_log(log_ctx, AV_LOG_WARNING, \
376 "String '%s...' with is too big\n", buf); \
377 return "FFPROBE_TOO_BIG_STRING"; \
380 #define ESCAPE_REALLOC_BUF(dst_size_p, dst_p, src, size) \
381 if (*dst_size_p < size) { \
382 char *q = av_realloc(*dst_p, size); \
385 snprintf(buf, sizeof(buf), "%s", src); \
386 av_log(log_ctx, AV_LOG_WARNING, \
387 "String '%s...' could not be escaped\n", buf); \
388 return "FFPROBE_THIS_STRING_COULD_NOT_BE_ESCAPED"; \
390 *dst_size_p = size; \
398 static void default_print_footer(WriterContext *wctx)
403 static void default_print_chapter_header(WriterContext *wctx, const char *chapter)
405 if (wctx->nb_chapter)
409 /* lame uppercasing routine, assumes the string is lower case ASCII */
410 static inline char *upcase_string(char *dst, size_t dst_size, const char *src)
413 for (i = 0; src[i] && i < dst_size-1; i++)
419 static void default_print_section_header(WriterContext *wctx, const char *section)
423 if (wctx->nb_section)
425 printf("[%s]\n", upcase_string(buf, sizeof(buf), section));
428 static void default_print_section_footer(WriterContext *wctx, const char *section)
432 printf("[/%s]", upcase_string(buf, sizeof(buf), section));
435 static void default_print_str(WriterContext *wctx, const char *key, const char *value)
437 printf("%s=%s\n", key, value);
440 static void default_print_int(WriterContext *wctx, const char *key, long long int value)
442 printf("%s=%lld\n", key, value);
445 static void default_show_tags(WriterContext *wctx, AVDictionary *dict)
447 AVDictionaryEntry *tag = NULL;
448 while ((tag = av_dict_get(dict, "", tag, AV_DICT_IGNORE_SUFFIX))) {
450 writer_print_string(wctx, tag->key, tag->value, 0);
454 static const Writer default_writer = {
456 .print_footer = default_print_footer,
457 .print_chapter_header = default_print_chapter_header,
458 .print_section_header = default_print_section_header,
459 .print_section_footer = default_print_section_footer,
460 .print_integer = default_print_int,
461 .print_string = default_print_str,
462 .show_tags = default_show_tags,
463 .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS,
469 * Escape \n, \r, \\ and sep characters contained in s, and print the
472 static const char *c_escape_str(char **dst, size_t *dst_size,
473 const char *src, const char sep, void *log_ctx)
479 /* precompute size */
480 for (p = src; *p; p++, size++) {
481 ESCAPE_CHECK_SIZE(src, size, SIZE_MAX-2);
482 if (*p == '\n' || *p == '\r' || *p == '\\')
486 ESCAPE_REALLOC_BUF(dst_size, dst, src, size);
489 for (p = src; *p; p++) {
491 case '\n': *q++ = '\\'; *q++ = 'n'; break;
492 case '\r': *q++ = '\\'; *q++ = 'r'; break;
493 case '\\': *q++ = '\\'; *q++ = '\\'; break;
505 * Quote fields containing special characters, check RFC4180.
507 static const char *csv_escape_str(char **dst, size_t *dst_size,
508 const char *src, const char sep, void *log_ctx)
515 /* precompute size */
516 for (p = src; *p; p++, size++) {
517 ESCAPE_CHECK_SIZE(src, size, SIZE_MAX-4);
518 if (*p == '"' || *p == sep || *p == '\n' || *p == '\r')
527 ESCAPE_REALLOC_BUF(dst_size, dst, src, size);
545 static const char *none_escape_str(char **dst, size_t *dst_size,
546 const char *src, const char sep, void *log_ctx)
551 typedef struct CompactContext {
552 const AVClass *class;
558 char *escape_mode_str;
559 const char * (*escape_str)(char **dst, size_t *dst_size,
560 const char *src, const char sep, void *log_ctx);
563 #define OFFSET(x) offsetof(CompactContext, x)
565 static const AVOption compact_options[]= {
566 {"item_sep", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str="|"}, CHAR_MIN, CHAR_MAX },
567 {"s", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str="|"}, CHAR_MIN, CHAR_MAX },
568 {"nokey", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.dbl=0}, 0, 1 },
569 {"nk", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.dbl=0}, 0, 1 },
570 {"escape", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="c"}, CHAR_MIN, CHAR_MAX },
571 {"e", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="c"}, CHAR_MIN, CHAR_MAX },
575 static const char *compact_get_name(void *ctx)
580 static const AVClass compact_class = {
586 static av_cold int compact_init(WriterContext *wctx, const char *args, void *opaque)
588 CompactContext *compact = wctx->priv;
591 compact->class = &compact_class;
592 av_opt_set_defaults(compact);
595 (err = (av_set_options_string(compact, args, "=", ":"))) < 0) {
596 av_log(wctx, AV_LOG_ERROR, "Error parsing options string: '%s'\n", args);
599 if (strlen(compact->item_sep_str) != 1) {
600 av_log(wctx, AV_LOG_ERROR, "Item separator '%s' specified, but must contain a single character\n",
601 compact->item_sep_str);
602 return AVERROR(EINVAL);
604 compact->item_sep = compact->item_sep_str[0];
606 compact->buf_size = ESCAPE_INIT_BUF_SIZE;
607 if (!(compact->buf = av_malloc(compact->buf_size)))
608 return AVERROR(ENOMEM);
610 if (!strcmp(compact->escape_mode_str, "none")) compact->escape_str = none_escape_str;
611 else if (!strcmp(compact->escape_mode_str, "c" )) compact->escape_str = c_escape_str;
612 else if (!strcmp(compact->escape_mode_str, "csv" )) compact->escape_str = csv_escape_str;
614 av_log(wctx, AV_LOG_ERROR, "Unknown escape mode '%s'\n", compact->escape_mode_str);
615 return AVERROR(EINVAL);
621 static av_cold void compact_uninit(WriterContext *wctx)
623 CompactContext *compact = wctx->priv;
625 av_freep(&compact->item_sep_str);
626 av_freep(&compact->buf);
627 av_freep(&compact->escape_mode_str);
630 static void compact_print_section_header(WriterContext *wctx, const char *section)
632 CompactContext *compact = wctx->priv;
634 printf("%s%c", section, compact->item_sep);
637 static void compact_print_section_footer(WriterContext *wctx, const char *section)
642 static void compact_print_str(WriterContext *wctx, const char *key, const char *value)
644 CompactContext *compact = wctx->priv;
646 if (wctx->nb_item) printf("%c", compact->item_sep);
649 printf("%s", compact->escape_str(&compact->buf, &compact->buf_size,
650 value, compact->item_sep, wctx));
653 static void compact_print_int(WriterContext *wctx, const char *key, long long int value)
655 CompactContext *compact = wctx->priv;
657 if (wctx->nb_item) printf("%c", compact->item_sep);
660 printf("%lld", value);
663 static void compact_show_tags(WriterContext *wctx, AVDictionary *dict)
665 CompactContext *compact = wctx->priv;
666 AVDictionaryEntry *tag = NULL;
668 while ((tag = av_dict_get(dict, "", tag, AV_DICT_IGNORE_SUFFIX))) {
669 if (wctx->nb_item) printf("%c", compact->item_sep);
671 printf("tag:%s=", compact->escape_str(&compact->buf, &compact->buf_size,
672 tag->key, compact->item_sep, wctx));
673 printf("%s", compact->escape_str(&compact->buf, &compact->buf_size,
674 tag->value, compact->item_sep, wctx));
678 static const Writer compact_writer = {
680 .priv_size = sizeof(CompactContext),
681 .init = compact_init,
682 .uninit = compact_uninit,
683 .print_section_header = compact_print_section_header,
684 .print_section_footer = compact_print_section_footer,
685 .print_integer = compact_print_int,
686 .print_string = compact_print_str,
687 .show_tags = compact_show_tags,
688 .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS,
693 static av_cold int csv_init(WriterContext *wctx, const char *args, void *opaque)
695 return compact_init(wctx, "item_sep=,:nokey=1:escape=csv", opaque);
698 static const Writer csv_writer = {
700 .priv_size = sizeof(CompactContext),
702 .uninit = compact_uninit,
703 .print_section_header = compact_print_section_header,
704 .print_section_footer = compact_print_section_footer,
705 .print_integer = compact_print_int,
706 .print_string = compact_print_str,
707 .show_tags = compact_show_tags,
708 .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS,
714 int multiple_entries; ///< tells if the given chapter requires multiple entries
719 static av_cold int json_init(WriterContext *wctx, const char *args, void *opaque)
721 JSONContext *json = wctx->priv;
723 json->buf_size = ESCAPE_INIT_BUF_SIZE;
724 if (!(json->buf = av_malloc(json->buf_size)))
725 return AVERROR(ENOMEM);
730 static av_cold void json_uninit(WriterContext *wctx)
732 JSONContext *json = wctx->priv;
733 av_freep(&json->buf);
736 static const char *json_escape_str(char **dst, size_t *dst_size, const char *src,
739 static const char json_escape[] = {'"', '\\', '\b', '\f', '\n', '\r', '\t', 0};
740 static const char json_subst[] = {'"', '\\', 'b', 'f', 'n', 'r', 't', 0};
745 // compute the length of the escaped string
746 for (p = src; *p; p++) {
747 ESCAPE_CHECK_SIZE(src, size, SIZE_MAX-6);
748 if (strchr(json_escape, *p)) size += 2; // simple escape
749 else if ((unsigned char)*p < 32) size += 6; // handle non-printable chars
750 else size += 1; // char copy
752 ESCAPE_REALLOC_BUF(dst_size, dst, src, size);
755 for (p = src; *p; p++) {
756 char *s = strchr(json_escape, *p);
759 *q++ = json_subst[s - json_escape];
760 } else if ((unsigned char)*p < 32) {
761 snprintf(q, 7, "\\u00%02x", *p & 0xff);
771 static void json_print_header(WriterContext *wctx)
776 static void json_print_footer(WriterContext *wctx)
781 static void json_print_chapter_header(WriterContext *wctx, const char *chapter)
783 JSONContext *json = wctx->priv;
785 if (wctx->nb_chapter)
787 json->multiple_entries = !strcmp(chapter, "packets") || !strcmp(chapter, "streams");
788 printf("\n \"%s\":%s", json_escape_str(&json->buf, &json->buf_size, chapter, wctx),
789 json->multiple_entries ? " [" : " ");
792 static void json_print_chapter_footer(WriterContext *wctx, const char *chapter)
794 JSONContext *json = wctx->priv;
796 if (json->multiple_entries)
800 static void json_print_section_header(WriterContext *wctx, const char *section)
802 if (wctx->nb_section) printf(",");
806 static void json_print_section_footer(WriterContext *wctx, const char *section)
811 static inline void json_print_item_str(WriterContext *wctx,
812 const char *key, const char *value,
815 JSONContext *json = wctx->priv;
817 printf("%s\"%s\":", indent, json_escape_str(&json->buf, &json->buf_size, key, wctx));
818 printf(" \"%s\"", json_escape_str(&json->buf, &json->buf_size, value, wctx));
823 static void json_print_str(WriterContext *wctx, const char *key, const char *value)
825 if (wctx->nb_item) printf(",\n");
826 json_print_item_str(wctx, key, value, INDENT);
829 static void json_print_int(WriterContext *wctx, const char *key, long long int value)
831 JSONContext *json = wctx->priv;
833 if (wctx->nb_item) printf(",\n");
834 printf(INDENT "\"%s\": %lld",
835 json_escape_str(&json->buf, &json->buf_size, key, wctx), value);
838 static void json_show_tags(WriterContext *wctx, AVDictionary *dict)
840 AVDictionaryEntry *tag = NULL;
844 printf(",\n" INDENT "\"tags\": {\n");
845 while ((tag = av_dict_get(dict, "", tag, AV_DICT_IGNORE_SUFFIX))) {
846 if (is_first) is_first = 0;
848 json_print_item_str(wctx, tag->key, tag->value, INDENT INDENT);
853 static const Writer json_writer = {
855 .priv_size = sizeof(JSONContext),
857 .uninit = json_uninit,
858 .print_header = json_print_header,
859 .print_footer = json_print_footer,
860 .print_chapter_header = json_print_chapter_header,
861 .print_chapter_footer = json_print_chapter_footer,
862 .print_section_header = json_print_section_header,
863 .print_section_footer = json_print_section_footer,
864 .print_integer = json_print_int,
865 .print_string = json_print_str,
866 .show_tags = json_show_tags,
869 static void writer_register_all(void)
871 static int initialized;
877 writer_register(&default_writer);
878 writer_register(&compact_writer);
879 writer_register(&csv_writer);
880 writer_register(&json_writer);
883 #define print_fmt(k, f, ...) do { \
884 if (fast_asprintf(&pbuf, f, __VA_ARGS__)) \
885 writer_print_string(w, k, pbuf.s, 0); \
888 #define print_fmt_opt(k, f, ...) do { \
889 if (fast_asprintf(&pbuf, f, __VA_ARGS__)) \
890 writer_print_string(w, k, pbuf.s, 1); \
893 #define print_int(k, v) writer_print_integer(w, k, v)
894 #define print_str(k, v) writer_print_string(w, k, v, 0)
895 #define print_str_opt(k, v) writer_print_string(w, k, v, 1)
896 #define print_time(k, v, tb) writer_print_time(w, k, v, tb)
897 #define print_ts(k, v) writer_print_ts(w, k, v)
898 #define print_val(k, v, u) writer_print_string(w, k, \
899 value_string(val_str, sizeof(val_str), (struct unit_value){.val.i = v, .unit=u}), 0)
900 #define print_section_header(s) writer_print_section_header(w, s)
901 #define print_section_footer(s) writer_print_section_footer(w, s)
902 #define show_tags(metadata) writer_show_tags(w, metadata)
904 static void show_packet(WriterContext *w, AVFormatContext *fmt_ctx, AVPacket *pkt, int packet_idx)
907 AVStream *st = fmt_ctx->streams[pkt->stream_index];
908 struct print_buf pbuf = {.s = NULL};
911 print_section_header("packet");
912 s = av_get_media_type_string(st->codec->codec_type);
913 if (s) print_str ("codec_type", s);
914 else print_str_opt("codec_type", "unknown");
915 print_int("stream_index", pkt->stream_index);
916 print_ts ("pts", pkt->pts);
917 print_time("pts_time", pkt->pts, &st->time_base);
918 print_ts ("dts", pkt->dts);
919 print_time("dts_time", pkt->dts, &st->time_base);
920 print_ts ("duration", pkt->duration);
921 print_time("duration_time", pkt->duration, &st->time_base);
922 print_val("size", pkt->size, unit_byte_str);
923 if (pkt->pos != -1) print_fmt ("pos", "%"PRId64, pkt->pos);
924 else print_str_opt("pos", "N/A");
925 print_fmt("flags", "%c", pkt->flags & AV_PKT_FLAG_KEY ? 'K' : '_');
926 print_section_footer("packet");
932 static void show_packets(WriterContext *w, AVFormatContext *fmt_ctx)
937 av_init_packet(&pkt);
939 while (!av_read_frame(fmt_ctx, &pkt))
940 show_packet(w, fmt_ctx, &pkt, i++);
943 static void show_stream(WriterContext *w, AVFormatContext *fmt_ctx, int stream_idx)
945 AVStream *stream = fmt_ctx->streams[stream_idx];
946 AVCodecContext *dec_ctx;
950 AVRational display_aspect_ratio;
951 struct print_buf pbuf = {.s = NULL};
953 print_section_header("stream");
955 print_int("index", stream->index);
957 if ((dec_ctx = stream->codec)) {
958 if ((dec = dec_ctx->codec)) {
959 print_str("codec_name", dec->name);
960 print_str("codec_long_name", dec->long_name);
962 print_str_opt("codec_name", "unknown");
963 print_str_opt("codec_long_name", "unknown");
966 s = av_get_media_type_string(dec_ctx->codec_type);
967 if (s) print_str ("codec_type", s);
968 else print_str_opt("codec_type", "unknown");
969 print_fmt("codec_time_base", "%d/%d", dec_ctx->time_base.num, dec_ctx->time_base.den);
971 /* print AVI/FourCC tag */
972 av_get_codec_tag_string(val_str, sizeof(val_str), dec_ctx->codec_tag);
973 print_str("codec_tag_string", val_str);
974 print_fmt("codec_tag", "0x%04x", dec_ctx->codec_tag);
976 switch (dec_ctx->codec_type) {
977 case AVMEDIA_TYPE_VIDEO:
978 print_int("width", dec_ctx->width);
979 print_int("height", dec_ctx->height);
980 print_int("has_b_frames", dec_ctx->has_b_frames);
981 if (dec_ctx->sample_aspect_ratio.num) {
982 print_fmt("sample_aspect_ratio", "%d:%d",
983 dec_ctx->sample_aspect_ratio.num,
984 dec_ctx->sample_aspect_ratio.den);
985 av_reduce(&display_aspect_ratio.num, &display_aspect_ratio.den,
986 dec_ctx->width * dec_ctx->sample_aspect_ratio.num,
987 dec_ctx->height * dec_ctx->sample_aspect_ratio.den,
989 print_fmt("display_aspect_ratio", "%d:%d",
990 display_aspect_ratio.num,
991 display_aspect_ratio.den);
993 print_str_opt("sample_aspect_ratio", "N/A");
994 print_str_opt("display_aspect_ratio", "N/A");
996 s = av_get_pix_fmt_name(dec_ctx->pix_fmt);
997 if (s) print_str ("pix_fmt", s);
998 else print_str_opt("pix_fmt", "unknown");
999 print_int("level", dec_ctx->level);
1000 if (dec_ctx->timecode_frame_start >= 0) {
1001 uint32_t tc = dec_ctx->timecode_frame_start;
1002 print_fmt("timecode", "%02d:%02d:%02d%c%02d",
1003 tc>>19 & 0x1f, // hours
1004 tc>>13 & 0x3f, // minutes
1005 tc>>6 & 0x3f, // seconds
1006 tc & 1<<24 ? ';' : ':', // drop
1007 tc & 0x3f); // frames
1009 print_str_opt("timecode", "N/A");
1013 case AVMEDIA_TYPE_AUDIO:
1014 s = av_get_sample_fmt_name(dec_ctx->sample_fmt);
1015 if (s) print_str ("sample_fmt", s);
1016 else print_str_opt("sample_fmt", "unknown");
1017 print_val("sample_rate", dec_ctx->sample_rate, unit_hertz_str);
1018 print_int("channels", dec_ctx->channels);
1019 print_int("bits_per_sample", av_get_bits_per_sample(dec_ctx->codec_id));
1023 print_str_opt("codec_type", "unknown");
1025 if (dec_ctx->codec && dec_ctx->codec->priv_class) {
1026 const AVOption *opt = NULL;
1027 while (opt = av_opt_next(dec_ctx->priv_data,opt)) {
1029 if (opt->flags) continue;
1030 if (av_opt_get(dec_ctx->priv_data, opt->name, 0, &str) >= 0) {
1031 print_str(opt->name, str);
1037 if (fmt_ctx->iformat->flags & AVFMT_SHOW_IDS) print_fmt ("id", "0x%x", stream->id);
1038 else print_str_opt("id", "N/A");
1039 print_fmt("r_frame_rate", "%d/%d", stream->r_frame_rate.num, stream->r_frame_rate.den);
1040 print_fmt("avg_frame_rate", "%d/%d", stream->avg_frame_rate.num, stream->avg_frame_rate.den);
1041 print_fmt("time_base", "%d/%d", stream->time_base.num, stream->time_base.den);
1042 print_time("start_time", stream->start_time, &stream->time_base);
1043 print_time("duration", stream->duration, &stream->time_base);
1044 if (stream->nb_frames) print_fmt ("nb_frames", "%"PRId64, stream->nb_frames);
1045 else print_str_opt("nb_frames", "N/A");
1046 show_tags(stream->metadata);
1048 print_section_footer("stream");
1053 static void show_streams(WriterContext *w, AVFormatContext *fmt_ctx)
1056 for (i = 0; i < fmt_ctx->nb_streams; i++)
1057 show_stream(w, fmt_ctx, i);
1060 static void show_format(WriterContext *w, AVFormatContext *fmt_ctx)
1063 int64_t size = avio_size(fmt_ctx->pb);
1064 struct print_buf pbuf = {.s = NULL};
1066 print_section_header("format");
1067 print_str("filename", fmt_ctx->filename);
1068 print_int("nb_streams", fmt_ctx->nb_streams);
1069 print_str("format_name", fmt_ctx->iformat->name);
1070 print_str("format_long_name", fmt_ctx->iformat->long_name);
1071 print_time("start_time", fmt_ctx->start_time, &AV_TIME_BASE_Q);
1072 print_time("duration", fmt_ctx->duration, &AV_TIME_BASE_Q);
1073 if (size >= 0) print_val ("size", size, unit_byte_str);
1074 else print_str_opt("size", "N/A");
1075 if (fmt_ctx->bit_rate > 0) print_val ("bit_rate", fmt_ctx->bit_rate, unit_bit_per_second_str);
1076 else print_str_opt("bit_rate", "N/A");
1077 show_tags(fmt_ctx->metadata);
1078 print_section_footer("format");
1083 static int open_input_file(AVFormatContext **fmt_ctx_ptr, const char *filename)
1086 AVFormatContext *fmt_ctx = NULL;
1087 AVDictionaryEntry *t;
1089 if ((err = avformat_open_input(&fmt_ctx, filename, iformat, &format_opts)) < 0) {
1090 print_error(filename, err);
1093 if ((t = av_dict_get(format_opts, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
1094 av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
1095 return AVERROR_OPTION_NOT_FOUND;
1099 /* fill the streams in the format context */
1100 if ((err = avformat_find_stream_info(fmt_ctx, NULL)) < 0) {
1101 print_error(filename, err);
1105 av_dump_format(fmt_ctx, 0, filename, 0);
1107 /* bind a decoder to each input stream */
1108 for (i = 0; i < fmt_ctx->nb_streams; i++) {
1109 AVStream *stream = fmt_ctx->streams[i];
1112 if (!(codec = avcodec_find_decoder(stream->codec->codec_id))) {
1113 fprintf(stderr, "Unsupported codec with id %d for input stream %d\n",
1114 stream->codec->codec_id, stream->index);
1115 } else if (avcodec_open2(stream->codec, codec, NULL) < 0) {
1116 fprintf(stderr, "Error while opening codec for input stream %d\n",
1121 *fmt_ctx_ptr = fmt_ctx;
1125 #define PRINT_CHAPTER(name) do { \
1126 if (do_show_ ## name) { \
1127 writer_print_chapter_header(wctx, #name); \
1128 show_ ## name (wctx, fmt_ctx); \
1129 writer_print_chapter_footer(wctx, #name); \
1133 static int probe_file(const char *filename)
1135 AVFormatContext *fmt_ctx;
1139 char *w_name = NULL, *w_args = NULL;
1140 WriterContext *wctx;
1142 writer_register_all();
1145 print_format = av_strdup("default");
1146 w_name = av_strtok(print_format, "=", &buf);
1149 w = writer_get_by_name(w_name);
1151 av_log(NULL, AV_LOG_ERROR, "Unknown output format with name '%s'\n", w_name);
1152 ret = AVERROR(EINVAL);
1156 if ((ret = writer_open(&wctx, w, w_args, NULL)) < 0)
1158 if ((ret = open_input_file(&fmt_ctx, filename)))
1161 writer_print_header(wctx);
1162 PRINT_CHAPTER(packets);
1163 PRINT_CHAPTER(streams);
1164 PRINT_CHAPTER(format);
1165 writer_print_footer(wctx);
1167 avformat_close_input(&fmt_ctx);
1168 writer_close(&wctx);
1171 av_freep(&print_format);
1176 static void show_usage(void)
1178 printf("Simple multimedia streams analyzer\n");
1179 printf("usage: %s [OPTIONS] [INPUT_FILE]\n", program_name);
1183 static int opt_format(const char *opt, const char *arg)
1185 iformat = av_find_input_format(arg);
1187 fprintf(stderr, "Unknown input format: %s\n", arg);
1188 return AVERROR(EINVAL);
1193 static void opt_input_file(void *optctx, const char *arg)
1195 if (input_filename) {
1196 fprintf(stderr, "Argument '%s' provided as input filename, but '%s' was already specified.\n",
1197 arg, input_filename);
1200 if (!strcmp(arg, "-"))
1202 input_filename = arg;
1205 static int opt_help(const char *opt, const char *arg)
1207 av_log_set_callback(log_callback_help);
1209 show_help_options(options, "Main options:\n", 0, 0);
1212 show_help_children(avformat_get_class(), AV_OPT_FLAG_DECODING_PARAM);
1217 static int opt_pretty(const char *opt, const char *arg)
1219 show_value_unit = 1;
1220 use_value_prefix = 1;
1221 use_byte_value_binary_prefix = 1;
1222 use_value_sexagesimal_format = 1;
1226 static const OptionDef options[] = {
1227 #include "cmdutils_common_opts.h"
1228 { "f", HAS_ARG, {(void*)opt_format}, "force format", "format" },
1229 { "unit", OPT_BOOL, {(void*)&show_value_unit}, "show unit of the displayed values" },
1230 { "prefix", OPT_BOOL, {(void*)&use_value_prefix}, "use SI prefixes for the displayed values" },
1231 { "byte_binary_prefix", OPT_BOOL, {(void*)&use_byte_value_binary_prefix},
1232 "use binary prefixes for byte units" },
1233 { "sexagesimal", OPT_BOOL, {(void*)&use_value_sexagesimal_format},
1234 "use sexagesimal format HOURS:MM:SS.MICROSECONDS for time units" },
1235 { "pretty", 0, {(void*)&opt_pretty},
1236 "prettify the format of displayed values, make it more human readable" },
1237 { "print_format", OPT_STRING | HAS_ARG, {(void*)&print_format},
1238 "set the output printing format (available formats are: default, compact, csv, json)", "format" },
1239 { "show_format", OPT_BOOL, {(void*)&do_show_format} , "show format/container info" },
1240 { "show_packets", OPT_BOOL, {(void*)&do_show_packets}, "show packets info" },
1241 { "show_streams", OPT_BOOL, {(void*)&do_show_streams}, "show streams info" },
1242 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
1243 { "i", HAS_ARG, {(void *)opt_input_file}, "read specified file", "input_file"},
1247 int main(int argc, char **argv)
1251 parse_loglevel(argc, argv, options);
1253 avformat_network_init();
1256 avdevice_register_all();
1259 show_banner(argc, argv, options);
1260 parse_options(NULL, argc, argv, options, opt_input_file);
1262 if (!input_filename) {
1264 fprintf(stderr, "You have to specify one input file.\n");
1265 fprintf(stderr, "Use -h to get full help or, even better, run 'man %s'.\n", program_name);
1269 ret = probe_file(input_filename);
1271 avformat_network_deinit();