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; 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);
105 } else if (use_value_prefix) {
106 const char *prefix_string;
109 if (uv.unit == unit_byte_str && use_byte_value_binary_prefix) {
110 index = (int) (log(vald)/log(2)) / 10;
111 index = av_clip(index, 0, FF_ARRAY_ELEMS(binary_unit_prefixes) -1);
112 vald /= pow(2, index*10);
113 prefix_string = binary_unit_prefixes[index];
115 index = (int) (log10(vald)) / 3;
116 index = av_clip(index, 0, FF_ARRAY_ELEMS(decimal_unit_prefixes) -1);
117 vald /= pow(10, index*3);
118 prefix_string = decimal_unit_prefixes[index];
121 if (show_float || vald != (int)vald) l = snprintf(buf, buf_size, "%.3f", vald);
122 else l = snprintf(buf, buf_size, "%d", (int)vald);
123 snprintf(buf+l, buf_size-l, "%s%s%s", prefix_string || show_value_unit ? " " : "",
124 prefix_string, show_value_unit ? uv.unit : "");
128 if (show_float) l = snprintf(buf, buf_size, "%.3f", vald);
129 else l = snprintf(buf, buf_size, "%d", (int)vald);
130 snprintf(buf+l, buf_size-l, "%s%s", show_value_unit ? " " : "",
131 show_value_unit ? uv.unit : "");
139 typedef struct WriterContext WriterContext;
141 #define WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS 1
142 #define WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER 2
144 typedef struct Writer {
145 int priv_size; ///< private size for the writer context
148 int (*init) (WriterContext *wctx, const char *args, void *opaque);
149 void (*uninit)(WriterContext *wctx);
151 void (*print_header)(WriterContext *ctx);
152 void (*print_footer)(WriterContext *ctx);
154 void (*print_chapter_header)(WriterContext *wctx, const char *);
155 void (*print_chapter_footer)(WriterContext *wctx, const char *);
156 void (*print_section_header)(WriterContext *wctx, const char *);
157 void (*print_section_footer)(WriterContext *wctx, const char *);
158 void (*print_integer) (WriterContext *wctx, const char *, long long int);
159 void (*print_string) (WriterContext *wctx, const char *, const char *);
160 void (*show_tags) (WriterContext *wctx, AVDictionary *dict);
161 int flags; ///< a combination or WRITER_FLAG_*
164 struct WriterContext {
165 const AVClass *class; ///< class of the writer
166 const Writer *writer; ///< the Writer of which this is an instance
167 char *name; ///< name of this writer instance
168 void *priv; ///< private data for use by the filter
169 unsigned int nb_item; ///< number of the item printed in the given section, starting at 0
170 unsigned int nb_section; ///< number of the section printed in the given section sequence, starting at 0
171 unsigned int nb_chapter; ///< number of the chapter, starting at 0
174 static const char *writer_get_name(void *p)
176 WriterContext *wctx = p;
177 return wctx->writer->name;
180 static const AVClass writer_class = {
184 LIBAVUTIL_VERSION_INT,
187 static void writer_close(WriterContext **wctx)
192 if ((*wctx)->writer->uninit)
193 (*wctx)->writer->uninit(*wctx);
194 av_freep(&((*wctx)->priv));
198 static int writer_open(WriterContext **wctx, const Writer *writer,
199 const char *args, void *opaque)
203 if (!(*wctx = av_malloc(sizeof(WriterContext)))) {
204 ret = AVERROR(ENOMEM);
208 if (!((*wctx)->priv = av_mallocz(writer->priv_size))) {
209 ret = AVERROR(ENOMEM);
213 (*wctx)->class = &writer_class;
214 (*wctx)->writer = writer;
215 if ((*wctx)->writer->init)
216 ret = (*wctx)->writer->init(*wctx, args, opaque);
227 static inline void writer_print_header(WriterContext *wctx)
229 if (wctx->writer->print_header)
230 wctx->writer->print_header(wctx);
231 wctx->nb_chapter = 0;
234 static inline void writer_print_footer(WriterContext *wctx)
236 if (wctx->writer->print_footer)
237 wctx->writer->print_footer(wctx);
240 static inline void writer_print_chapter_header(WriterContext *wctx,
243 if (wctx->writer->print_chapter_header)
244 wctx->writer->print_chapter_header(wctx, chapter);
245 wctx->nb_section = 0;
248 static inline void writer_print_chapter_footer(WriterContext *wctx,
251 if (wctx->writer->print_chapter_footer)
252 wctx->writer->print_chapter_footer(wctx, chapter);
256 static inline void writer_print_section_header(WriterContext *wctx,
259 if (wctx->writer->print_section_header)
260 wctx->writer->print_section_header(wctx, section);
264 static inline void writer_print_section_footer(WriterContext *wctx,
267 if (wctx->writer->print_section_footer)
268 wctx->writer->print_section_footer(wctx, section);
272 static inline void writer_print_integer(WriterContext *wctx,
273 const char *key, long long int val)
275 wctx->writer->print_integer(wctx, key, val);
279 static inline void writer_print_string(WriterContext *wctx,
280 const char *key, const char *val, int opt)
282 if (opt && !(wctx->writer->flags & WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS))
284 wctx->writer->print_string(wctx, key, val);
288 static void writer_print_time(WriterContext *wctx, const char *key,
289 int64_t ts, const AVRational *time_base)
293 if (ts == AV_NOPTS_VALUE) {
294 writer_print_string(wctx, key, "N/A", 1);
296 double d = ts * av_q2d(*time_base);
297 value_string(buf, sizeof(buf), (struct unit_value){.val.d=d, .unit=unit_second_str});
298 writer_print_string(wctx, key, buf, 0);
302 static void writer_print_ts(WriterContext *wctx, const char *key, int64_t ts)
304 if (ts == AV_NOPTS_VALUE) {
305 writer_print_string(wctx, key, "N/A", 1);
307 writer_print_integer(wctx, key, ts);
311 static inline void writer_show_tags(WriterContext *wctx, AVDictionary *dict)
313 wctx->writer->show_tags(wctx, dict);
316 #define MAX_REGISTERED_WRITERS_NB 64
318 static const Writer *registered_writers[MAX_REGISTERED_WRITERS_NB + 1];
320 static int writer_register(const Writer *writer)
322 static int next_registered_writer_idx = 0;
324 if (next_registered_writer_idx == MAX_REGISTERED_WRITERS_NB)
325 return AVERROR(ENOMEM);
327 registered_writers[next_registered_writer_idx++] = writer;
331 static const Writer *writer_get_by_name(const char *name)
335 for (i = 0; registered_writers[i]; i++)
336 if (!strcmp(registered_writers[i]->name, name))
337 return registered_writers[i];
349 static char *fast_asprintf(struct print_buf *pbuf, const char *fmt, ...)
355 len = vsnprintf(NULL, 0, fmt, va);
360 if (pbuf->len < len) {
361 char *p = av_realloc(pbuf->s, len + 1);
369 len = vsnprintf(pbuf->s, len + 1, fmt, va);
381 #define ESCAPE_INIT_BUF_SIZE 256
383 #define ESCAPE_CHECK_SIZE(src, size, max_size) \
384 if (size > max_size) { \
386 snprintf(buf, sizeof(buf), "%s", src); \
387 av_log(log_ctx, AV_LOG_WARNING, \
388 "String '%s...' with is too big\n", buf); \
389 return "FFPROBE_TOO_BIG_STRING"; \
392 #define ESCAPE_REALLOC_BUF(dst_size_p, dst_p, src, size) \
393 if (*dst_size_p < size) { \
394 char *q = av_realloc(*dst_p, size); \
397 snprintf(buf, sizeof(buf), "%s", src); \
398 av_log(log_ctx, AV_LOG_WARNING, \
399 "String '%s...' could not be escaped\n", buf); \
400 return "FFPROBE_THIS_STRING_COULD_NOT_BE_ESCAPED"; \
402 *dst_size_p = size; \
410 static void default_print_footer(WriterContext *wctx)
415 static void default_print_chapter_header(WriterContext *wctx, const char *chapter)
417 if (wctx->nb_chapter)
421 /* lame uppercasing routine, assumes the string is lower case ASCII */
422 static inline char *upcase_string(char *dst, size_t dst_size, const char *src)
425 for (i = 0; src[i] && i < dst_size-1; i++)
426 dst[i] = av_toupper(src[i]);
431 static void default_print_section_header(WriterContext *wctx, const char *section)
435 if (wctx->nb_section)
437 printf("[%s]\n", upcase_string(buf, sizeof(buf), section));
440 static void default_print_section_footer(WriterContext *wctx, const char *section)
444 printf("[/%s]", upcase_string(buf, sizeof(buf), section));
447 static void default_print_str(WriterContext *wctx, const char *key, const char *value)
449 printf("%s=%s\n", key, value);
452 static void default_print_int(WriterContext *wctx, const char *key, long long int value)
454 printf("%s=%lld\n", key, value);
457 static void default_show_tags(WriterContext *wctx, AVDictionary *dict)
459 AVDictionaryEntry *tag = NULL;
460 while ((tag = av_dict_get(dict, "", tag, AV_DICT_IGNORE_SUFFIX))) {
462 writer_print_string(wctx, tag->key, tag->value, 0);
466 static const Writer default_writer = {
468 .print_footer = default_print_footer,
469 .print_chapter_header = default_print_chapter_header,
470 .print_section_header = default_print_section_header,
471 .print_section_footer = default_print_section_footer,
472 .print_integer = default_print_int,
473 .print_string = default_print_str,
474 .show_tags = default_show_tags,
475 .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS,
481 * Escape \n, \r, \\ and sep characters contained in s, and print the
484 static const char *c_escape_str(char **dst, size_t *dst_size,
485 const char *src, const char sep, void *log_ctx)
491 /* precompute size */
492 for (p = src; *p; p++, size++) {
493 ESCAPE_CHECK_SIZE(src, size, SIZE_MAX-2);
494 if (*p == '\n' || *p == '\r' || *p == '\\')
498 ESCAPE_REALLOC_BUF(dst_size, dst, src, size);
501 for (p = src; *p; p++) {
503 case '\n': *q++ = '\\'; *q++ = 'n'; break;
504 case '\r': *q++ = '\\'; *q++ = 'r'; break;
505 case '\\': *q++ = '\\'; *q++ = '\\'; break;
517 * Quote fields containing special characters, check RFC4180.
519 static const char *csv_escape_str(char **dst, size_t *dst_size,
520 const char *src, const char sep, void *log_ctx)
527 /* precompute size */
528 for (p = src; *p; p++, size++) {
529 ESCAPE_CHECK_SIZE(src, size, SIZE_MAX-4);
530 if (*p == '"' || *p == sep || *p == '\n' || *p == '\r')
539 ESCAPE_REALLOC_BUF(dst_size, dst, src, size);
557 static const char *none_escape_str(char **dst, size_t *dst_size,
558 const char *src, const char sep, void *log_ctx)
563 typedef struct CompactContext {
564 const AVClass *class;
570 char *escape_mode_str;
571 const char * (*escape_str)(char **dst, size_t *dst_size,
572 const char *src, const char sep, void *log_ctx);
575 #define OFFSET(x) offsetof(CompactContext, x)
577 static const AVOption compact_options[]= {
578 {"item_sep", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str="|"}, CHAR_MIN, CHAR_MAX },
579 {"s", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str="|"}, CHAR_MIN, CHAR_MAX },
580 {"nokey", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.dbl=0}, 0, 1 },
581 {"nk", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.dbl=0}, 0, 1 },
582 {"escape", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="c"}, CHAR_MIN, CHAR_MAX },
583 {"e", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="c"}, CHAR_MIN, CHAR_MAX },
587 static const char *compact_get_name(void *ctx)
592 static const AVClass compact_class = {
598 static av_cold int compact_init(WriterContext *wctx, const char *args, void *opaque)
600 CompactContext *compact = wctx->priv;
603 compact->class = &compact_class;
604 av_opt_set_defaults(compact);
607 (err = (av_set_options_string(compact, args, "=", ":"))) < 0) {
608 av_log(wctx, AV_LOG_ERROR, "Error parsing options string: '%s'\n", args);
611 if (strlen(compact->item_sep_str) != 1) {
612 av_log(wctx, AV_LOG_ERROR, "Item separator '%s' specified, but must contain a single character\n",
613 compact->item_sep_str);
614 return AVERROR(EINVAL);
616 compact->item_sep = compact->item_sep_str[0];
618 compact->buf_size = ESCAPE_INIT_BUF_SIZE;
619 if (!(compact->buf = av_malloc(compact->buf_size)))
620 return AVERROR(ENOMEM);
622 if (!strcmp(compact->escape_mode_str, "none")) compact->escape_str = none_escape_str;
623 else if (!strcmp(compact->escape_mode_str, "c" )) compact->escape_str = c_escape_str;
624 else if (!strcmp(compact->escape_mode_str, "csv" )) compact->escape_str = csv_escape_str;
626 av_log(wctx, AV_LOG_ERROR, "Unknown escape mode '%s'\n", compact->escape_mode_str);
627 return AVERROR(EINVAL);
633 static av_cold void compact_uninit(WriterContext *wctx)
635 CompactContext *compact = wctx->priv;
637 av_freep(&compact->item_sep_str);
638 av_freep(&compact->buf);
639 av_freep(&compact->escape_mode_str);
642 static void compact_print_section_header(WriterContext *wctx, const char *section)
644 CompactContext *compact = wctx->priv;
646 printf("%s%c", section, compact->item_sep);
649 static void compact_print_section_footer(WriterContext *wctx, const char *section)
654 static void compact_print_str(WriterContext *wctx, const char *key, const char *value)
656 CompactContext *compact = wctx->priv;
658 if (wctx->nb_item) printf("%c", compact->item_sep);
661 printf("%s", compact->escape_str(&compact->buf, &compact->buf_size,
662 value, compact->item_sep, wctx));
665 static void compact_print_int(WriterContext *wctx, const char *key, long long int value)
667 CompactContext *compact = wctx->priv;
669 if (wctx->nb_item) printf("%c", compact->item_sep);
672 printf("%lld", value);
675 static void compact_show_tags(WriterContext *wctx, AVDictionary *dict)
677 CompactContext *compact = wctx->priv;
678 AVDictionaryEntry *tag = NULL;
680 while ((tag = av_dict_get(dict, "", tag, AV_DICT_IGNORE_SUFFIX))) {
681 if (wctx->nb_item) printf("%c", compact->item_sep);
683 printf("tag:%s=", compact->escape_str(&compact->buf, &compact->buf_size,
684 tag->key, compact->item_sep, wctx));
685 printf("%s", compact->escape_str(&compact->buf, &compact->buf_size,
686 tag->value, compact->item_sep, wctx));
690 static const Writer compact_writer = {
692 .priv_size = sizeof(CompactContext),
693 .init = compact_init,
694 .uninit = compact_uninit,
695 .print_section_header = compact_print_section_header,
696 .print_section_footer = compact_print_section_footer,
697 .print_integer = compact_print_int,
698 .print_string = compact_print_str,
699 .show_tags = compact_show_tags,
700 .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS,
705 static av_cold int csv_init(WriterContext *wctx, const char *args, void *opaque)
707 return compact_init(wctx, "item_sep=,:nokey=1:escape=csv", opaque);
710 static const Writer csv_writer = {
712 .priv_size = sizeof(CompactContext),
714 .uninit = compact_uninit,
715 .print_section_header = compact_print_section_header,
716 .print_section_footer = compact_print_section_footer,
717 .print_integer = compact_print_int,
718 .print_string = compact_print_str,
719 .show_tags = compact_show_tags,
720 .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS,
726 const AVClass *class;
727 int multiple_entries; ///< tells if the given chapter requires multiple entries
730 int print_packets_and_frames;
733 const char *item_sep, *item_start_end;
737 #define OFFSET(x) offsetof(JSONContext, x)
739 static const AVOption json_options[]= {
740 { "compact", "enable compact output", OFFSET(compact), AV_OPT_TYPE_INT, {.dbl=0}, 0, 1 },
741 { "c", "enable compact output", OFFSET(compact), AV_OPT_TYPE_INT, {.dbl=0}, 0, 1 },
745 static const char *json_get_name(void *ctx)
750 static const AVClass json_class = {
756 static av_cold int json_init(WriterContext *wctx, const char *args, void *opaque)
758 JSONContext *json = wctx->priv;
761 json->class = &json_class;
762 av_opt_set_defaults(json);
765 (err = (av_set_options_string(json, args, "=", ":"))) < 0) {
766 av_log(wctx, AV_LOG_ERROR, "Error parsing options string: '%s'\n", args);
770 json->item_sep = json->compact ? ", " : ",\n";
771 json->item_start_end = json->compact ? " " : "\n";
773 json->buf_size = ESCAPE_INIT_BUF_SIZE;
774 if (!(json->buf = av_malloc(json->buf_size)))
775 return AVERROR(ENOMEM);
780 static av_cold void json_uninit(WriterContext *wctx)
782 JSONContext *json = wctx->priv;
783 av_freep(&json->buf);
786 static const char *json_escape_str(char **dst, size_t *dst_size, const char *src,
789 static const char json_escape[] = {'"', '\\', '\b', '\f', '\n', '\r', '\t', 0};
790 static const char json_subst[] = {'"', '\\', 'b', 'f', 'n', 'r', 't', 0};
795 // compute the length of the escaped string
796 for (p = src; *p; p++) {
797 ESCAPE_CHECK_SIZE(src, size, SIZE_MAX-6);
798 if (strchr(json_escape, *p)) size += 2; // simple escape
799 else if ((unsigned char)*p < 32) size += 6; // handle non-printable chars
800 else size += 1; // char copy
802 ESCAPE_REALLOC_BUF(dst_size, dst, src, size);
805 for (p = src; *p; p++) {
806 char *s = strchr(json_escape, *p);
809 *q++ = json_subst[s - json_escape];
810 } else if ((unsigned char)*p < 32) {
811 snprintf(q, 7, "\\u00%02x", *p & 0xff);
821 static void json_print_header(WriterContext *wctx)
823 JSONContext *json = wctx->priv;
825 json->indent_level++;
828 static void json_print_footer(WriterContext *wctx)
830 JSONContext *json = wctx->priv;
831 json->indent_level--;
835 #define JSON_INDENT() printf("%*c", json->indent_level * 4, ' ')
837 static void json_print_chapter_header(WriterContext *wctx, const char *chapter)
839 JSONContext *json = wctx->priv;
841 if (wctx->nb_chapter)
844 json->multiple_entries = !strcmp(chapter, "packets") || !strcmp(chapter, "frames" ) ||
845 !strcmp(chapter, "packets_and_frames") ||
846 !strcmp(chapter, "streams") || !strcmp(chapter, "library_versions");
847 if (json->multiple_entries) {
849 printf("\"%s\": [\n", json_escape_str(&json->buf, &json->buf_size, chapter, wctx));
850 json->print_packets_and_frames = !strcmp(chapter, "packets_and_frames");
851 json->indent_level++;
855 static void json_print_chapter_footer(WriterContext *wctx, const char *chapter)
857 JSONContext *json = wctx->priv;
859 if (json->multiple_entries) {
861 json->indent_level--;
867 static void json_print_section_header(WriterContext *wctx, const char *section)
869 JSONContext *json = wctx->priv;
871 if (wctx->nb_section)
874 if (!json->multiple_entries)
875 printf("\"%s\": ", section);
876 printf("{%s", json->item_start_end);
877 json->indent_level++;
878 /* this is required so the parser can distinguish between packets and frames */
879 if (json->print_packets_and_frames) {
882 printf("\"type\": \"%s\"%s", section, json->item_sep);
886 static void json_print_section_footer(WriterContext *wctx, const char *section)
888 JSONContext *json = wctx->priv;
890 printf("%s", json->item_start_end);
891 json->indent_level--;
897 static inline void json_print_item_str(WriterContext *wctx,
898 const char *key, const char *value)
900 JSONContext *json = wctx->priv;
902 printf("\"%s\":", json_escape_str(&json->buf, &json->buf_size, key, wctx));
903 printf(" \"%s\"", json_escape_str(&json->buf, &json->buf_size, value, wctx));
906 static void json_print_str(WriterContext *wctx, const char *key, const char *value)
908 JSONContext *json = wctx->priv;
910 if (wctx->nb_item) printf("%s", json->item_sep);
913 json_print_item_str(wctx, key, value);
916 static void json_print_int(WriterContext *wctx, const char *key, long long int value)
918 JSONContext *json = wctx->priv;
920 if (wctx->nb_item) printf("%s", json->item_sep);
923 printf("\"%s\": %lld",
924 json_escape_str(&json->buf, &json->buf_size, key, wctx), value);
927 static void json_show_tags(WriterContext *wctx, AVDictionary *dict)
929 JSONContext *json = wctx->priv;
930 AVDictionaryEntry *tag = NULL;
934 printf("%s", json->item_sep);
937 printf("\"tags\": {%s", json->item_start_end);
938 json->indent_level++;
939 while ((tag = av_dict_get(dict, "", tag, AV_DICT_IGNORE_SUFFIX))) {
940 if (is_first) is_first = 0;
941 else printf("%s", json->item_sep);
944 json_print_item_str(wctx, tag->key, tag->value);
946 json->indent_level--;
947 printf("%s", json->item_start_end);
953 static const Writer json_writer = {
955 .priv_size = sizeof(JSONContext),
957 .uninit = json_uninit,
958 .print_header = json_print_header,
959 .print_footer = json_print_footer,
960 .print_chapter_header = json_print_chapter_header,
961 .print_chapter_footer = json_print_chapter_footer,
962 .print_section_header = json_print_section_header,
963 .print_section_footer = json_print_section_footer,
964 .print_integer = json_print_int,
965 .print_string = json_print_str,
966 .show_tags = json_show_tags,
967 .flags = WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,
973 const AVClass *class;
975 int multiple_entries; ///< tells if the given chapter requires multiple entries
984 #define OFFSET(x) offsetof(XMLContext, x)
986 static const AVOption xml_options[] = {
987 {"fully_qualified", "specify if the output should be fully qualified", OFFSET(fully_qualified), AV_OPT_TYPE_INT, {.dbl=0}, 0, 1 },
988 {"q", "specify if the output should be fully qualified", OFFSET(fully_qualified), AV_OPT_TYPE_INT, {.dbl=0}, 0, 1 },
989 {"xsd_strict", "ensure that the output is XSD compliant", OFFSET(xsd_strict), AV_OPT_TYPE_INT, {.dbl=0}, 0, 1 },
990 {"x", "ensure that the output is XSD compliant", OFFSET(xsd_strict), AV_OPT_TYPE_INT, {.dbl=0}, 0, 1 },
994 static const char *xml_get_name(void *ctx)
999 static const AVClass xml_class = {
1005 static av_cold int xml_init(WriterContext *wctx, const char *args, void *opaque)
1007 XMLContext *xml = wctx->priv;
1010 xml->class = &xml_class;
1011 av_opt_set_defaults(xml);
1014 (err = (av_set_options_string(xml, args, "=", ":"))) < 0) {
1015 av_log(wctx, AV_LOG_ERROR, "Error parsing options string: '%s'\n", args);
1019 if (xml->xsd_strict) {
1020 xml->fully_qualified = 1;
1021 #define CHECK_COMPLIANCE(opt, opt_name) \
1023 av_log(wctx, AV_LOG_ERROR, \
1024 "XSD-compliant output selected but option '%s' was selected, XML output may be non-compliant.\n" \
1025 "You need to disable such option with '-no%s'\n", opt_name, opt_name); \
1026 return AVERROR(EINVAL); \
1028 CHECK_COMPLIANCE(show_private_data, "private");
1029 CHECK_COMPLIANCE(show_value_unit, "unit");
1030 CHECK_COMPLIANCE(use_value_prefix, "prefix");
1032 if (do_show_frames && do_show_packets) {
1033 av_log(wctx, AV_LOG_ERROR,
1034 "Interleaved frames and packets are not allowed in XSD. "
1035 "Select only one between the -show_frames and the -show_packets options.\n");
1036 return AVERROR(EINVAL);
1040 xml->buf_size = ESCAPE_INIT_BUF_SIZE;
1041 if (!(xml->buf = av_malloc(xml->buf_size)))
1042 return AVERROR(ENOMEM);
1046 static av_cold void xml_uninit(WriterContext *wctx)
1048 XMLContext *xml = wctx->priv;
1049 av_freep(&xml->buf);
1052 static const char *xml_escape_str(char **dst, size_t *dst_size, const char *src,
1059 /* precompute size */
1060 for (p = src; *p; p++, size++) {
1061 ESCAPE_CHECK_SIZE(src, size, SIZE_MAX-10);
1063 case '&' : size += strlen("&"); break;
1064 case '<' : size += strlen("<"); break;
1065 case '>' : size += strlen(">"); break;
1066 case '\"': size += strlen("""); break;
1067 case '\'': size += strlen("'"); break;
1071 ESCAPE_REALLOC_BUF(dst_size, dst, src, size);
1073 #define COPY_STR(str) { \
1074 const char *s = str; \
1083 case '&' : COPY_STR("&"); break;
1084 case '<' : COPY_STR("<"); break;
1085 case '>' : COPY_STR(">"); break;
1086 case '\"': COPY_STR("""); break;
1087 case '\'': COPY_STR("'"); break;
1097 static void xml_print_header(WriterContext *wctx)
1099 XMLContext *xml = wctx->priv;
1100 const char *qual = " xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' "
1101 "xmlns:ffprobe='http://www.ffmpeg.org/schema/ffprobe' "
1102 "xsi:schemaLocation='http://www.ffmpeg.org/schema/ffprobe ffprobe.xsd'";
1104 printf("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");
1105 printf("<%sffprobe%s>\n",
1106 xml->fully_qualified ? "ffprobe:" : "",
1107 xml->fully_qualified ? qual : "");
1109 xml->indent_level++;
1112 static void xml_print_footer(WriterContext *wctx)
1114 XMLContext *xml = wctx->priv;
1116 xml->indent_level--;
1117 printf("</%sffprobe>\n", xml->fully_qualified ? "ffprobe:" : "");
1120 #define XML_INDENT() printf("%*c", xml->indent_level * 4, ' ')
1122 static void xml_print_chapter_header(WriterContext *wctx, const char *chapter)
1124 XMLContext *xml = wctx->priv;
1126 if (wctx->nb_chapter)
1128 xml->multiple_entries = !strcmp(chapter, "packets") || !strcmp(chapter, "frames") ||
1129 !strcmp(chapter, "packets_and_frames") ||
1130 !strcmp(chapter, "streams") || !strcmp(chapter, "library_versions");
1132 if (xml->multiple_entries) {
1133 XML_INDENT(); printf("<%s>\n", chapter);
1134 xml->indent_level++;
1138 static void xml_print_chapter_footer(WriterContext *wctx, const char *chapter)
1140 XMLContext *xml = wctx->priv;
1142 if (xml->multiple_entries) {
1143 xml->indent_level--;
1144 XML_INDENT(); printf("</%s>\n", chapter);
1148 static void xml_print_section_header(WriterContext *wctx, const char *section)
1150 XMLContext *xml = wctx->priv;
1152 XML_INDENT(); printf("<%s ", section);
1153 xml->within_tag = 1;
1156 static void xml_print_section_footer(WriterContext *wctx, const char *section)
1158 XMLContext *xml = wctx->priv;
1160 if (xml->within_tag)
1163 XML_INDENT(); printf("</%s>\n", section);
1167 static void xml_print_str(WriterContext *wctx, const char *key, const char *value)
1169 XMLContext *xml = wctx->priv;
1173 printf("%s=\"%s\"", key, xml_escape_str(&xml->buf, &xml->buf_size, value, wctx));
1176 static void xml_print_int(WriterContext *wctx, const char *key, long long int value)
1180 printf("%s=\"%lld\"", key, value);
1183 static void xml_show_tags(WriterContext *wctx, AVDictionary *dict)
1185 XMLContext *xml = wctx->priv;
1186 AVDictionaryEntry *tag = NULL;
1189 xml->indent_level++;
1190 while ((tag = av_dict_get(dict, "", tag, AV_DICT_IGNORE_SUFFIX))) {
1192 /* close section tag */
1194 xml->within_tag = 0;
1198 printf("<tag key=\"%s\"",
1199 xml_escape_str(&xml->buf, &xml->buf_size, tag->key, wctx));
1200 printf(" value=\"%s\"/>\n",
1201 xml_escape_str(&xml->buf, &xml->buf_size, tag->value, wctx));
1203 xml->indent_level--;
1206 static Writer xml_writer = {
1208 .priv_size = sizeof(XMLContext),
1210 .uninit = xml_uninit,
1211 .print_header = xml_print_header,
1212 .print_footer = xml_print_footer,
1213 .print_chapter_header = xml_print_chapter_header,
1214 .print_chapter_footer = xml_print_chapter_footer,
1215 .print_section_header = xml_print_section_header,
1216 .print_section_footer = xml_print_section_footer,
1217 .print_integer = xml_print_int,
1218 .print_string = xml_print_str,
1219 .show_tags = xml_show_tags,
1220 .flags = WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,
1223 static void writer_register_all(void)
1225 static int initialized;
1231 writer_register(&default_writer);
1232 writer_register(&compact_writer);
1233 writer_register(&csv_writer);
1234 writer_register(&json_writer);
1235 writer_register(&xml_writer);
1238 #define print_fmt(k, f, ...) do { \
1239 if (fast_asprintf(&pbuf, f, __VA_ARGS__)) \
1240 writer_print_string(w, k, pbuf.s, 0); \
1243 #define print_fmt_opt(k, f, ...) do { \
1244 if (fast_asprintf(&pbuf, f, __VA_ARGS__)) \
1245 writer_print_string(w, k, pbuf.s, 1); \
1248 #define print_int(k, v) writer_print_integer(w, k, v)
1249 #define print_str(k, v) writer_print_string(w, k, v, 0)
1250 #define print_str_opt(k, v) writer_print_string(w, k, v, 1)
1251 #define print_time(k, v, tb) writer_print_time(w, k, v, tb)
1252 #define print_ts(k, v) writer_print_ts(w, k, v)
1253 #define print_val(k, v, u) writer_print_string(w, k, \
1254 value_string(val_str, sizeof(val_str), (struct unit_value){.val.i = v, .unit=u}), 0)
1255 #define print_section_header(s) writer_print_section_header(w, s)
1256 #define print_section_footer(s) writer_print_section_footer(w, s)
1257 #define show_tags(metadata) writer_show_tags(w, metadata)
1259 static void show_packet(WriterContext *w, AVFormatContext *fmt_ctx, AVPacket *pkt, int packet_idx)
1262 AVStream *st = fmt_ctx->streams[pkt->stream_index];
1263 struct print_buf pbuf = {.s = NULL};
1266 print_section_header("packet");
1267 s = av_get_media_type_string(st->codec->codec_type);
1268 if (s) print_str ("codec_type", s);
1269 else print_str_opt("codec_type", "unknown");
1270 print_int("stream_index", pkt->stream_index);
1271 print_ts ("pts", pkt->pts);
1272 print_time("pts_time", pkt->pts, &st->time_base);
1273 print_ts ("dts", pkt->dts);
1274 print_time("dts_time", pkt->dts, &st->time_base);
1275 print_ts ("duration", pkt->duration);
1276 print_time("duration_time", pkt->duration, &st->time_base);
1277 print_val("size", pkt->size, unit_byte_str);
1278 if (pkt->pos != -1) print_fmt ("pos", "%"PRId64, pkt->pos);
1279 else print_str_opt("pos", "N/A");
1280 print_fmt("flags", "%c", pkt->flags & AV_PKT_FLAG_KEY ? 'K' : '_');
1281 print_section_footer("packet");
1287 static void show_frame(WriterContext *w, AVFrame *frame, AVStream *stream)
1289 struct print_buf pbuf = {.s = NULL};
1292 print_section_header("frame");
1294 s = av_get_media_type_string(stream->codec->codec_type);
1295 if (s) print_str ("media_type", s);
1296 else print_str_opt("media_type", "unknown");
1297 print_int("key_frame", frame->key_frame);
1298 print_ts ("pkt_pts", frame->pkt_pts);
1299 print_time("pkt_pts_time", frame->pkt_pts, &stream->time_base);
1300 print_ts ("pkt_dts", frame->pkt_dts);
1301 print_time("pkt_dts_time", frame->pkt_dts, &stream->time_base);
1302 if (frame->pkt_pos != -1) print_fmt ("pkt_pos", "%"PRId64, frame->pkt_pos);
1303 else print_str_opt("pkt_pos", "N/A");
1305 switch (stream->codec->codec_type) {
1306 case AVMEDIA_TYPE_VIDEO:
1307 print_int("width", frame->width);
1308 print_int("height", frame->height);
1309 s = av_get_pix_fmt_name(frame->format);
1310 if (s) print_str ("pix_fmt", s);
1311 else print_str_opt("pix_fmt", "unknown");
1312 if (frame->sample_aspect_ratio.num) {
1313 print_fmt("sample_aspect_ratio", "%d:%d",
1314 frame->sample_aspect_ratio.num,
1315 frame->sample_aspect_ratio.den);
1317 print_str_opt("sample_aspect_ratio", "N/A");
1319 print_fmt("pict_type", "%c", av_get_picture_type_char(frame->pict_type));
1320 print_int("coded_picture_number", frame->coded_picture_number);
1321 print_int("display_picture_number", frame->display_picture_number);
1322 print_int("interlaced_frame", frame->interlaced_frame);
1323 print_int("top_field_first", frame->top_field_first);
1324 print_int("repeat_pict", frame->repeat_pict);
1325 print_int("reference", frame->reference);
1328 case AVMEDIA_TYPE_AUDIO:
1329 s = av_get_sample_fmt_name(frame->format);
1330 if (s) print_str ("sample_fmt", s);
1331 else print_str_opt("sample_fmt", "unknown");
1332 print_int("nb_samples", frame->nb_samples);
1336 print_section_footer("frame");
1342 static av_always_inline int get_decoded_frame(AVFormatContext *fmt_ctx,
1343 AVFrame *frame, int *got_frame,
1346 AVCodecContext *dec_ctx = fmt_ctx->streams[pkt->stream_index]->codec;
1350 switch (dec_ctx->codec_type) {
1351 case AVMEDIA_TYPE_VIDEO:
1352 ret = avcodec_decode_video2(dec_ctx, frame, got_frame, pkt);
1355 case AVMEDIA_TYPE_AUDIO:
1356 ret = avcodec_decode_audio4(dec_ctx, frame, got_frame, pkt);
1363 static void show_packets(WriterContext *w, AVFormatContext *fmt_ctx)
1367 int i = 0, ret, got_frame;
1369 av_init_packet(&pkt);
1371 while (!av_read_frame(fmt_ctx, &pkt)) {
1372 if (do_show_packets)
1373 show_packet(w, fmt_ctx, &pkt, i++);
1374 if (do_show_frames) {
1377 avcodec_get_frame_defaults(&frame);
1378 ret = get_decoded_frame(fmt_ctx, &frame, &got_frame, &pkt1);
1379 if (ret < 0 || !got_frame)
1381 show_frame(w, &frame, fmt_ctx->streams[pkt.stream_index]);
1386 av_free_packet(&pkt);
1388 av_init_packet(&pkt);
1391 //Flush remaining frames that are cached in the decoder
1392 for (i = 0; i < fmt_ctx->nb_streams; i++) {
1393 pkt.stream_index = i;
1394 while (get_decoded_frame(fmt_ctx, &frame, &got_frame, &pkt) >= 0 && got_frame)
1395 show_frame(w, &frame, fmt_ctx->streams[pkt.stream_index]);
1399 static void show_stream(WriterContext *w, AVFormatContext *fmt_ctx, int stream_idx)
1401 AVStream *stream = fmt_ctx->streams[stream_idx];
1402 AVCodecContext *dec_ctx;
1406 AVRational display_aspect_ratio;
1407 struct print_buf pbuf = {.s = NULL};
1409 print_section_header("stream");
1411 print_int("index", stream->index);
1413 if ((dec_ctx = stream->codec)) {
1414 if ((dec = dec_ctx->codec)) {
1415 print_str("codec_name", dec->name);
1416 print_str("codec_long_name", dec->long_name);
1418 print_str_opt("codec_name", "unknown");
1419 print_str_opt("codec_long_name", "unknown");
1422 s = av_get_media_type_string(dec_ctx->codec_type);
1423 if (s) print_str ("codec_type", s);
1424 else print_str_opt("codec_type", "unknown");
1425 print_fmt("codec_time_base", "%d/%d", dec_ctx->time_base.num, dec_ctx->time_base.den);
1427 /* print AVI/FourCC tag */
1428 av_get_codec_tag_string(val_str, sizeof(val_str), dec_ctx->codec_tag);
1429 print_str("codec_tag_string", val_str);
1430 print_fmt("codec_tag", "0x%04x", dec_ctx->codec_tag);
1432 switch (dec_ctx->codec_type) {
1433 case AVMEDIA_TYPE_VIDEO:
1434 print_int("width", dec_ctx->width);
1435 print_int("height", dec_ctx->height);
1436 print_int("has_b_frames", dec_ctx->has_b_frames);
1437 if (dec_ctx->sample_aspect_ratio.num) {
1438 print_fmt("sample_aspect_ratio", "%d:%d",
1439 dec_ctx->sample_aspect_ratio.num,
1440 dec_ctx->sample_aspect_ratio.den);
1441 av_reduce(&display_aspect_ratio.num, &display_aspect_ratio.den,
1442 dec_ctx->width * dec_ctx->sample_aspect_ratio.num,
1443 dec_ctx->height * dec_ctx->sample_aspect_ratio.den,
1445 print_fmt("display_aspect_ratio", "%d:%d",
1446 display_aspect_ratio.num,
1447 display_aspect_ratio.den);
1449 print_str_opt("sample_aspect_ratio", "N/A");
1450 print_str_opt("display_aspect_ratio", "N/A");
1452 s = av_get_pix_fmt_name(dec_ctx->pix_fmt);
1453 if (s) print_str ("pix_fmt", s);
1454 else print_str_opt("pix_fmt", "unknown");
1455 print_int("level", dec_ctx->level);
1456 if (dec_ctx->timecode_frame_start >= 0) {
1457 uint32_t tc = dec_ctx->timecode_frame_start;
1458 print_fmt("timecode", "%02d:%02d:%02d%c%02d",
1459 tc>>19 & 0x1f, // hours
1460 tc>>13 & 0x3f, // minutes
1461 tc>>6 & 0x3f, // seconds
1462 tc & 1<<24 ? ';' : ':', // drop
1463 tc & 0x3f); // frames
1465 print_str_opt("timecode", "N/A");
1469 case AVMEDIA_TYPE_AUDIO:
1470 s = av_get_sample_fmt_name(dec_ctx->sample_fmt);
1471 if (s) print_str ("sample_fmt", s);
1472 else print_str_opt("sample_fmt", "unknown");
1473 print_val("sample_rate", dec_ctx->sample_rate, unit_hertz_str);
1474 print_int("channels", dec_ctx->channels);
1475 print_int("bits_per_sample", av_get_bits_per_sample(dec_ctx->codec_id));
1479 print_str_opt("codec_type", "unknown");
1481 if (dec_ctx->codec && dec_ctx->codec->priv_class && show_private_data) {
1482 const AVOption *opt = NULL;
1483 while (opt = av_opt_next(dec_ctx->priv_data,opt)) {
1485 if (opt->flags) continue;
1486 if (av_opt_get(dec_ctx->priv_data, opt->name, 0, &str) >= 0) {
1487 print_str(opt->name, str);
1493 if (fmt_ctx->iformat->flags & AVFMT_SHOW_IDS) print_fmt ("id", "0x%x", stream->id);
1494 else print_str_opt("id", "N/A");
1495 print_fmt("r_frame_rate", "%d/%d", stream->r_frame_rate.num, stream->r_frame_rate.den);
1496 print_fmt("avg_frame_rate", "%d/%d", stream->avg_frame_rate.num, stream->avg_frame_rate.den);
1497 print_fmt("time_base", "%d/%d", stream->time_base.num, stream->time_base.den);
1498 print_time("start_time", stream->start_time, &stream->time_base);
1499 print_time("duration", stream->duration, &stream->time_base);
1500 if (stream->nb_frames) print_fmt ("nb_frames", "%"PRId64, stream->nb_frames);
1501 else print_str_opt("nb_frames", "N/A");
1502 show_tags(stream->metadata);
1504 print_section_footer("stream");
1509 static void show_streams(WriterContext *w, AVFormatContext *fmt_ctx)
1512 for (i = 0; i < fmt_ctx->nb_streams; i++)
1513 show_stream(w, fmt_ctx, i);
1516 static void show_format(WriterContext *w, AVFormatContext *fmt_ctx)
1519 int64_t size = fmt_ctx->pb ? avio_size(fmt_ctx->pb) : -1;
1521 print_section_header("format");
1522 print_str("filename", fmt_ctx->filename);
1523 print_int("nb_streams", fmt_ctx->nb_streams);
1524 print_str("format_name", fmt_ctx->iformat->name);
1525 print_str("format_long_name", fmt_ctx->iformat->long_name);
1526 print_time("start_time", fmt_ctx->start_time, &AV_TIME_BASE_Q);
1527 print_time("duration", fmt_ctx->duration, &AV_TIME_BASE_Q);
1528 if (size >= 0) print_val ("size", size, unit_byte_str);
1529 else print_str_opt("size", "N/A");
1530 if (fmt_ctx->bit_rate > 0) print_val ("bit_rate", fmt_ctx->bit_rate, unit_bit_per_second_str);
1531 else print_str_opt("bit_rate", "N/A");
1532 show_tags(fmt_ctx->metadata);
1533 print_section_footer("format");
1537 static void show_error(WriterContext *w, int err)
1540 const char *errbuf_ptr = errbuf;
1542 if (av_strerror(err, errbuf, sizeof(errbuf)) < 0)
1543 errbuf_ptr = strerror(AVUNERROR(err));
1545 writer_print_chapter_header(w, "error");
1546 print_section_header("error");
1547 print_int("code", err);
1548 print_str("string", errbuf_ptr);
1549 print_section_footer("error");
1550 writer_print_chapter_footer(w, "error");
1553 static int open_input_file(AVFormatContext **fmt_ctx_ptr, const char *filename)
1556 AVFormatContext *fmt_ctx = NULL;
1557 AVDictionaryEntry *t;
1559 if ((err = avformat_open_input(&fmt_ctx, filename, 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, "Unsupported codec with id %d for input stream %d\n",
1584 stream->codec->codec_id, stream->index);
1585 } else if (avcodec_open2(stream->codec, codec, NULL) < 0) {
1586 av_log(NULL, AV_LOG_ERROR, "Error while opening codec for input stream %d\n",
1591 *fmt_ctx_ptr = fmt_ctx;
1595 #define PRINT_CHAPTER(name) do { \
1596 if (do_show_ ## name) { \
1597 writer_print_chapter_header(wctx, #name); \
1598 show_ ## name (wctx, fmt_ctx); \
1599 writer_print_chapter_footer(wctx, #name); \
1603 static int probe_file(WriterContext *wctx, const char *filename)
1605 AVFormatContext *fmt_ctx;
1608 ret = open_input_file(&fmt_ctx, filename);
1610 if (do_show_packets || do_show_frames) {
1611 const char *chapter;
1612 if (do_show_frames && do_show_packets &&
1613 wctx->writer->flags & WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER)
1614 chapter = "packets_and_frames";
1615 else if (do_show_packets && !do_show_frames)
1616 chapter = "packets";
1617 else // (!do_show_packets && do_show_frames)
1619 writer_print_chapter_header(wctx, chapter);
1620 show_packets(wctx, fmt_ctx);
1621 writer_print_chapter_footer(wctx, chapter);
1623 PRINT_CHAPTER(streams);
1624 PRINT_CHAPTER(format);
1625 for (i = 0; i < fmt_ctx->nb_streams; i++)
1626 if (fmt_ctx->streams[i]->codec->codec_id != CODEC_ID_NONE)
1627 avcodec_close(fmt_ctx->streams[i]->codec);
1628 avformat_close_input(&fmt_ctx);
1634 static void show_usage(void)
1636 av_log(NULL, AV_LOG_INFO, "Simple multimedia streams analyzer\n");
1637 av_log(NULL, AV_LOG_INFO, "usage: %s [OPTIONS] [INPUT_FILE]\n", program_name);
1638 av_log(NULL, AV_LOG_INFO, "\n");
1641 static void ffprobe_show_program_version(WriterContext *w)
1643 struct print_buf pbuf = {.s = NULL};
1645 writer_print_chapter_header(w, "program_version");
1646 print_section_header("program_version");
1647 print_str("version", FFMPEG_VERSION);
1648 print_fmt("copyright", "Copyright (c) %d-%d the FFmpeg developers",
1649 program_birth_year, this_year);
1650 print_str("build_date", __DATE__);
1651 print_str("build_time", __TIME__);
1652 print_str("compiler_type", CC_TYPE);
1653 print_str("compiler_version", CC_VERSION);
1654 print_str("configuration", FFMPEG_CONFIGURATION);
1655 print_section_footer("program_version");
1656 writer_print_chapter_footer(w, "program_version");
1661 #define SHOW_LIB_VERSION(libname, LIBNAME) \
1663 if (CONFIG_##LIBNAME) { \
1664 unsigned int version = libname##_version(); \
1665 print_section_header("library_version"); \
1666 print_str("name", "lib" #libname); \
1667 print_int("major", LIB##LIBNAME##_VERSION_MAJOR); \
1668 print_int("minor", LIB##LIBNAME##_VERSION_MINOR); \
1669 print_int("micro", LIB##LIBNAME##_VERSION_MICRO); \
1670 print_int("version", version); \
1671 print_section_footer("library_version"); \
1675 static void ffprobe_show_library_versions(WriterContext *w)
1677 writer_print_chapter_header(w, "library_versions");
1678 SHOW_LIB_VERSION(avutil, AVUTIL);
1679 SHOW_LIB_VERSION(avcodec, AVCODEC);
1680 SHOW_LIB_VERSION(avformat, AVFORMAT);
1681 SHOW_LIB_VERSION(avdevice, AVDEVICE);
1682 SHOW_LIB_VERSION(avfilter, AVFILTER);
1683 SHOW_LIB_VERSION(swscale, SWSCALE);
1684 SHOW_LIB_VERSION(swresample, SWRESAMPLE);
1685 SHOW_LIB_VERSION(postproc, POSTPROC);
1686 writer_print_chapter_footer(w, "library_versions");
1689 static int opt_format(const char *opt, const char *arg)
1691 iformat = av_find_input_format(arg);
1693 av_log(NULL, AV_LOG_ERROR, "Unknown input format: %s\n", arg);
1694 return AVERROR(EINVAL);
1699 static void opt_input_file(void *optctx, const char *arg)
1701 if (input_filename) {
1702 av_log(NULL, AV_LOG_ERROR, "Argument '%s' provided as input filename, but '%s' was already specified.\n",
1703 arg, input_filename);
1706 if (!strcmp(arg, "-"))
1708 input_filename = arg;
1711 static int opt_help(const char *opt, const char *arg)
1713 av_log_set_callback(log_callback_help);
1715 show_help_options(options, "Main options:\n", 0, 0);
1718 show_help_children(avformat_get_class(), AV_OPT_FLAG_DECODING_PARAM);
1723 static int opt_pretty(const char *opt, const char *arg)
1725 show_value_unit = 1;
1726 use_value_prefix = 1;
1727 use_byte_value_binary_prefix = 1;
1728 use_value_sexagesimal_format = 1;
1732 static int opt_show_versions(const char *opt, const char *arg)
1734 do_show_program_version = 1;
1735 do_show_library_versions = 1;
1739 static const OptionDef options[] = {
1740 #include "cmdutils_common_opts.h"
1741 { "f", HAS_ARG, {(void*)opt_format}, "force format", "format" },
1742 { "unit", OPT_BOOL, {(void*)&show_value_unit}, "show unit of the displayed values" },
1743 { "prefix", OPT_BOOL, {(void*)&use_value_prefix}, "use SI prefixes for the displayed values" },
1744 { "byte_binary_prefix", OPT_BOOL, {(void*)&use_byte_value_binary_prefix},
1745 "use binary prefixes for byte units" },
1746 { "sexagesimal", OPT_BOOL, {(void*)&use_value_sexagesimal_format},
1747 "use sexagesimal format HOURS:MM:SS.MICROSECONDS for time units" },
1748 { "pretty", 0, {(void*)&opt_pretty},
1749 "prettify the format of displayed values, make it more human readable" },
1750 { "print_format", OPT_STRING | HAS_ARG, {(void*)&print_format},
1751 "set the output printing format (available formats are: default, compact, csv, json, xml)", "format" },
1752 { "show_error", OPT_BOOL, {(void*)&do_show_error} , "show probing error" },
1753 { "show_format", OPT_BOOL, {(void*)&do_show_format} , "show format/container info" },
1754 { "show_frames", OPT_BOOL, {(void*)&do_show_frames} , "show frames info" },
1755 { "show_packets", OPT_BOOL, {(void*)&do_show_packets}, "show packets info" },
1756 { "show_streams", OPT_BOOL, {(void*)&do_show_streams}, "show streams info" },
1757 { "show_program_version", OPT_BOOL, {(void*)&do_show_program_version}, "show ffprobe version" },
1758 { "show_library_versions", OPT_BOOL, {(void*)&do_show_library_versions}, "show library versions" },
1759 { "show_versions", 0, {(void*)&opt_show_versions}, "show program and library versions" },
1760 { "show_private_data", OPT_BOOL, {(void*)&show_private_data}, "show private data" },
1761 { "private", OPT_BOOL, {(void*)&show_private_data}, "same as show_private_data" },
1762 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
1763 { "i", HAS_ARG, {(void *)opt_input_file}, "read specified file", "input_file"},
1767 int main(int argc, char **argv)
1770 WriterContext *wctx;
1772 char *w_name = NULL, *w_args = NULL;
1775 av_log_set_flags(AV_LOG_SKIP_REPEATED);
1776 parse_loglevel(argc, argv, options);
1778 avformat_network_init();
1781 avdevice_register_all();
1784 show_banner(argc, argv, options);
1785 parse_options(NULL, argc, argv, options, opt_input_file);
1787 writer_register_all();
1790 print_format = av_strdup("default");
1791 w_name = av_strtok(print_format, "=", &buf);
1794 w = writer_get_by_name(w_name);
1796 av_log(NULL, AV_LOG_ERROR, "Unknown output format with name '%s'\n", w_name);
1797 ret = AVERROR(EINVAL);
1801 if ((ret = writer_open(&wctx, w, w_args, NULL)) >= 0) {
1802 writer_print_header(wctx);
1804 if (do_show_program_version)
1805 ffprobe_show_program_version(wctx);
1806 if (do_show_library_versions)
1807 ffprobe_show_library_versions(wctx);
1809 if (!input_filename &&
1810 ((do_show_format || do_show_streams || do_show_packets || do_show_error) ||
1811 (!do_show_program_version && !do_show_library_versions))) {
1813 av_log(NULL, AV_LOG_ERROR, "You have to specify one input file.\n");
1814 av_log(NULL, AV_LOG_ERROR, "Use -h to get full help or, even better, run 'man %s'.\n", program_name);
1815 ret = AVERROR(EINVAL);
1816 } else if (input_filename) {
1817 ret = probe_file(wctx, input_filename);
1818 if (ret < 0 && do_show_error)
1819 show_error(wctx, ret);
1822 writer_print_footer(wctx);
1823 writer_close(&wctx);
1827 av_freep(&print_format);
1828 avformat_network_deinit();