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
31 #include "libavformat/avformat.h"
32 #include "libavcodec/avcodec.h"
33 #include "libavutil/avassert.h"
34 #include "libavutil/avstring.h"
35 #include "libavutil/bprint.h"
36 #include "libavutil/opt.h"
37 #include "libavutil/pixdesc.h"
38 #include "libavutil/dict.h"
39 #include "libavutil/libm.h"
40 #include "libavutil/timecode.h"
41 #include "libavdevice/avdevice.h"
42 #include "libswscale/swscale.h"
43 #include "libswresample/swresample.h"
44 #include "libpostproc/postprocess.h"
47 const char program_name[] = "ffprobe";
48 const int program_birth_year = 2007;
50 static int do_bitexact = 0;
51 static int do_count_frames = 0;
52 static int do_count_packets = 0;
53 static int do_read_frames = 0;
54 static int do_read_packets = 0;
55 static int do_show_error = 0;
56 static int do_show_format = 0;
57 static int do_show_frames = 0;
58 static AVDictionary *fmt_entries_to_show = NULL;
59 static int do_show_packets = 0;
60 static int do_show_streams = 0;
61 static int do_show_data = 0;
62 static int do_show_program_version = 0;
63 static int do_show_library_versions = 0;
65 static int show_value_unit = 0;
66 static int use_value_prefix = 0;
67 static int use_byte_value_binary_prefix = 0;
68 static int use_value_sexagesimal_format = 0;
69 static int show_private_data = 1;
71 static char *print_format;
72 static char *stream_specifier;
74 /* section structure definition */
77 int id; ///< unique id indentifying a section
80 #define SECTION_FLAG_IS_WRAPPER 1 ///< the section only contains other sections, but has no data at its own level
81 #define SECTION_FLAG_IS_ARRAY 2 ///< the section contains an array of elements of the same type
82 #define SECTION_FLAG_HAS_VARIABLE_FIELDS 4 ///< the section may contain a variable number of fields with variable keys.
83 /// For these sections the element_name field is mandatory.
85 const char *element_name; ///< name of the contained element, if provided
92 SECTION_ID_FORMAT_TAGS,
95 SECTION_ID_FRAME_TAGS,
96 SECTION_ID_LIBRARY_VERSION,
97 SECTION_ID_LIBRARY_VERSIONS,
100 SECTION_ID_PACKETS_AND_FRAMES,
101 SECTION_ID_PROGRAM_VERSION,
104 SECTION_ID_STREAM_DISPOSITION,
106 SECTION_ID_STREAM_TAGS
109 static const struct section sections[] = {
110 [SECTION_ID_ERROR] = { SECTION_ID_ERROR, "error" },
111 [SECTION_ID_FORMAT] = { SECTION_ID_FORMAT, "format" },
112 [SECTION_ID_FORMAT_TAGS] = { SECTION_ID_FORMAT_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, .element_name = "tag" },
113 [SECTION_ID_FRAME] = { SECTION_ID_FRAME, "frame" },
114 [SECTION_ID_FRAMES] = { SECTION_ID_FRAMES, "frames", SECTION_FLAG_IS_ARRAY },
115 [SECTION_ID_FRAME_TAGS] = { SECTION_ID_FRAME_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, .element_name = "tag" },
116 [SECTION_ID_LIBRARY_VERSION] = { SECTION_ID_LIBRARY_VERSION, "library_version" },
117 [SECTION_ID_LIBRARY_VERSIONS] = { SECTION_ID_LIBRARY_VERSIONS, "library_versions", SECTION_FLAG_IS_ARRAY },
118 [SECTION_ID_PACKET] = { SECTION_ID_PACKET, "packet" },
119 [SECTION_ID_PACKETS] = { SECTION_ID_PACKETS, "packets", SECTION_FLAG_IS_ARRAY },
120 [SECTION_ID_PACKETS_AND_FRAMES] = { SECTION_ID_PACKETS_AND_FRAMES, "packets_and_frames", SECTION_FLAG_IS_ARRAY },
121 [SECTION_ID_PROGRAM_VERSION] = { SECTION_ID_PROGRAM_VERSION, "program_version" },
122 [SECTION_ID_ROOT] = { SECTION_ID_ROOT, "root", SECTION_FLAG_IS_WRAPPER },
123 [SECTION_ID_STREAM] = { SECTION_ID_STREAM, "stream" },
124 [SECTION_ID_STREAM_DISPOSITION] = { SECTION_ID_STREAM_DISPOSITION, "disposition" },
125 [SECTION_ID_STREAMS] = { SECTION_ID_STREAMS, "streams", SECTION_FLAG_IS_ARRAY },
126 [SECTION_ID_STREAM_TAGS] = { SECTION_ID_STREAM_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, .element_name = "tag" },
129 static const OptionDef *options;
131 /* FFprobe context */
132 static const char *input_filename;
133 static AVInputFormat *iformat = NULL;
135 static const char *const binary_unit_prefixes [] = { "", "Ki", "Mi", "Gi", "Ti", "Pi" };
136 static const char *const decimal_unit_prefixes[] = { "", "K" , "M" , "G" , "T" , "P" };
138 static const char unit_second_str[] = "s" ;
139 static const char unit_hertz_str[] = "Hz" ;
140 static const char unit_byte_str[] = "byte" ;
141 static const char unit_bit_per_second_str[] = "bit/s";
143 static uint64_t *nb_streams_packets;
144 static uint64_t *nb_streams_frames;
145 static int *selected_streams;
147 static void exit_program(void)
149 av_dict_free(&fmt_entries_to_show);
153 union { double d; long long int i; } val;
157 static char *value_string(char *buf, int buf_size, struct unit_value uv)
163 if (uv.unit == unit_second_str) {
167 vald = vali = uv.val.i;
170 if (uv.unit == unit_second_str && use_value_sexagesimal_format) {
174 mins = (int)secs / 60;
175 secs = secs - mins * 60;
178 snprintf(buf, buf_size, "%d:%02d:%09.6f", hours, mins, secs);
180 const char *prefix_string = "";
182 if (use_value_prefix && vald > 1) {
185 if (uv.unit == unit_byte_str && use_byte_value_binary_prefix) {
186 index = (long long int) (log2(vald)) / 10;
187 index = av_clip(index, 0, FF_ARRAY_ELEMS(binary_unit_prefixes) - 1);
188 vald /= exp2(index * 10);
189 prefix_string = binary_unit_prefixes[index];
191 index = (long long int) (log10(vald)) / 3;
192 index = av_clip(index, 0, FF_ARRAY_ELEMS(decimal_unit_prefixes) - 1);
193 vald /= pow(10, index * 3);
194 prefix_string = decimal_unit_prefixes[index];
198 if (show_float || (use_value_prefix && vald != (long long int)vald))
199 snprintf(buf, buf_size, "%f", vald);
201 snprintf(buf, buf_size, "%lld", vali);
202 av_strlcatf(buf, buf_size, "%s%s%s", *prefix_string || show_value_unit ? " " : "",
203 prefix_string, show_value_unit ? uv.unit : "");
211 typedef struct WriterContext WriterContext;
213 #define WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS 1
214 #define WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER 2
216 typedef struct Writer {
217 const AVClass *priv_class; ///< private class of the writer, if any
218 int priv_size; ///< private size for the writer context
221 int (*init) (WriterContext *wctx);
222 void (*uninit)(WriterContext *wctx);
224 void (*print_section_header)(WriterContext *wctx);
225 void (*print_section_footer)(WriterContext *wctx);
226 void (*print_integer) (WriterContext *wctx, const char *, long long int);
227 void (*print_rational) (WriterContext *wctx, AVRational *q, char *sep);
228 void (*print_string) (WriterContext *wctx, const char *, const char *);
229 int flags; ///< a combination or WRITER_FLAG_*
232 #define SECTION_MAX_NB_LEVELS 10
234 struct WriterContext {
235 const AVClass *class; ///< class of the writer
236 const Writer *writer; ///< the Writer of which this is an instance
237 char *name; ///< name of this writer instance
238 void *priv; ///< private data for use by the filter
240 const struct section *sections; ///< array containing all sections
241 int nb_sections; ///< number of sections
243 int level; ///< current level, starting from 0
245 /** number of the item printed in the given section, starting from 0 */
246 unsigned int nb_item[SECTION_MAX_NB_LEVELS];
248 /** section per each level */
249 const struct section *section[SECTION_MAX_NB_LEVELS];
251 unsigned int nb_section_packet; ///< number of the packet section in case we are in "packets_and_frames" section
252 unsigned int nb_section_frame; ///< number of the frame section in case we are in "packets_and_frames" section
253 unsigned int nb_section_packet_frame; ///< nb_section_packet or nb_section_frame according if is_packets_and_frames
256 static const char *writer_get_name(void *p)
258 WriterContext *wctx = p;
259 return wctx->writer->name;
262 static const AVClass writer_class = {
266 LIBAVUTIL_VERSION_INT,
269 static void writer_close(WriterContext **wctx)
274 if ((*wctx)->writer->uninit)
275 (*wctx)->writer->uninit(*wctx);
276 if ((*wctx)->writer->priv_class)
277 av_opt_free((*wctx)->priv);
278 av_freep(&((*wctx)->priv));
282 static int writer_open(WriterContext **wctx, const Writer *writer, const char *args,
283 const struct section *sections, int nb_sections)
287 if (!(*wctx = av_malloc(sizeof(WriterContext)))) {
288 ret = AVERROR(ENOMEM);
292 if (!((*wctx)->priv = av_mallocz(writer->priv_size))) {
293 ret = AVERROR(ENOMEM);
297 (*wctx)->class = &writer_class;
298 (*wctx)->writer = writer;
300 (*wctx)->sections = sections;
301 (*wctx)->nb_sections = nb_sections;
303 if (writer->priv_class) {
304 void *priv_ctx = (*wctx)->priv;
305 *((const AVClass **)priv_ctx) = writer->priv_class;
306 av_opt_set_defaults(priv_ctx);
309 (ret = av_set_options_string(priv_ctx, args, "=", ":")) < 0)
312 if ((*wctx)->writer->init)
313 ret = (*wctx)->writer->init(*wctx);
324 static inline void writer_print_section_header(WriterContext *wctx,
327 int parent_section_id;
329 av_assert0(wctx->level < SECTION_MAX_NB_LEVELS);
330 parent_section_id = wctx->level ?
331 (wctx->section[wctx->level-1])->id : SECTION_ID_NONE;
333 wctx->nb_item[wctx->level] = 0;
334 wctx->section[wctx->level] = &wctx->sections[section_id];
336 if (section_id == SECTION_ID_PACKETS_AND_FRAMES) {
337 wctx->nb_section_packet = wctx->nb_section_frame =
338 wctx->nb_section_packet_frame = 0;
339 } else if (parent_section_id == SECTION_ID_PACKETS_AND_FRAMES) {
340 wctx->nb_section_packet_frame = section_id == SECTION_ID_PACKET ?
341 wctx->nb_section_packet : wctx->nb_section_frame;
344 if (wctx->writer->print_section_header)
345 wctx->writer->print_section_header(wctx);
348 static inline void writer_print_section_footer(WriterContext *wctx)
350 int section_id = wctx->section[wctx->level]->id;
351 int parent_section_id = wctx->level ?
352 wctx->section[wctx->level-1]->id : SECTION_ID_NONE;
354 if (parent_section_id != SECTION_ID_NONE)
355 wctx->nb_item[wctx->level-1]++;
356 if (parent_section_id == SECTION_ID_PACKETS_AND_FRAMES) {
357 if (section_id == SECTION_ID_PACKET) wctx->nb_section_packet++;
358 else wctx->nb_section_frame++;
360 if (wctx->writer->print_section_footer)
361 wctx->writer->print_section_footer(wctx);
365 static inline void writer_print_integer(WriterContext *wctx,
366 const char *key, long long int val)
368 if ((wctx->section[wctx->level]->id != SECTION_ID_FORMAT
369 && wctx->section[wctx->level]->id != SECTION_ID_FORMAT_TAGS) ||
370 !fmt_entries_to_show || av_dict_get(fmt_entries_to_show, key, NULL, 0)) {
371 wctx->writer->print_integer(wctx, key, val);
372 wctx->nb_item[wctx->level]++;
376 static inline void writer_print_string(WriterContext *wctx,
377 const char *key, const char *val, int opt)
379 if (opt && !(wctx->writer->flags & WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS))
381 if ((wctx->section[wctx->level]->id != SECTION_ID_FORMAT
382 && wctx->section[wctx->level]->id != SECTION_ID_FORMAT_TAGS) ||
383 !fmt_entries_to_show || av_dict_get(fmt_entries_to_show, key, NULL, 0)) {
384 wctx->writer->print_string(wctx, key, val);
385 wctx->nb_item[wctx->level]++;
389 static inline void writer_print_rational(WriterContext *wctx,
390 const char *key, AVRational q, char sep)
393 av_bprint_init(&buf, 0, AV_BPRINT_SIZE_AUTOMATIC);
394 av_bprintf(&buf, "%d%c%d", q.num, sep, q.den);
395 writer_print_string(wctx, key, buf.str, 0);
398 static void writer_print_time(WriterContext *wctx, const char *key,
399 int64_t ts, const AVRational *time_base, int is_duration)
403 if ((!is_duration && ts == AV_NOPTS_VALUE) || (is_duration && ts == 0)) {
404 writer_print_string(wctx, key, "N/A", 1);
406 double d = ts * av_q2d(*time_base);
407 struct unit_value uv;
409 uv.unit = unit_second_str;
410 value_string(buf, sizeof(buf), uv);
411 writer_print_string(wctx, key, buf, 0);
415 static void writer_print_ts(WriterContext *wctx, const char *key, int64_t ts, int is_duration)
417 if ((!is_duration && ts == AV_NOPTS_VALUE) || (is_duration && ts == 0)) {
418 writer_print_string(wctx, key, "N/A", 1);
420 writer_print_integer(wctx, key, ts);
424 static void writer_print_data(WriterContext *wctx, const char *name,
425 uint8_t *data, int size)
428 int offset = 0, l, i;
430 av_bprint_init(&bp, 0, AV_BPRINT_SIZE_UNLIMITED);
431 av_bprintf(&bp, "\n");
433 av_bprintf(&bp, "%08x: ", offset);
435 for (i = 0; i < l; i++) {
436 av_bprintf(&bp, "%02x", data[i]);
438 av_bprintf(&bp, " ");
440 av_bprint_chars(&bp, ' ', 41 - 2 * i - i / 2);
441 for (i = 0; i < l; i++)
442 av_bprint_chars(&bp, data[i] - 32U < 95 ? data[i] : '.', 1);
443 av_bprintf(&bp, "\n");
448 writer_print_string(wctx, name, bp.str, 0);
449 av_bprint_finalize(&bp, NULL);
452 #define MAX_REGISTERED_WRITERS_NB 64
454 static const Writer *registered_writers[MAX_REGISTERED_WRITERS_NB + 1];
456 static int writer_register(const Writer *writer)
458 static int next_registered_writer_idx = 0;
460 if (next_registered_writer_idx == MAX_REGISTERED_WRITERS_NB)
461 return AVERROR(ENOMEM);
463 registered_writers[next_registered_writer_idx++] = writer;
467 static const Writer *writer_get_by_name(const char *name)
471 for (i = 0; registered_writers[i]; i++)
472 if (!strcmp(registered_writers[i]->name, name))
473 return registered_writers[i];
481 #define DEFINE_WRITER_CLASS(name) \
482 static const char *name##_get_name(void *ctx) \
486 static const AVClass name##_class = { \
494 typedef struct DefaultContext {
495 const AVClass *class;
497 int noprint_wrappers;
498 int nested_section[SECTION_MAX_NB_LEVELS];
499 AVBPrint prefix[SECTION_MAX_NB_LEVELS];
502 #define OFFSET(x) offsetof(DefaultContext, x)
504 static const AVOption default_options[] = {
505 { "noprint_wrappers", "do not print headers and footers", OFFSET(noprint_wrappers), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
506 { "nw", "do not print headers and footers", OFFSET(noprint_wrappers), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
507 { "nokey", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
508 { "nk", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
512 DEFINE_WRITER_CLASS(default);
514 /* lame uppercasing routine, assumes the string is lower case ASCII */
515 static inline char *upcase_string(char *dst, size_t dst_size, const char *src)
518 for (i = 0; src[i] && i < dst_size-1; i++)
519 dst[i] = av_toupper(src[i]);
524 static int default_init(WriterContext *wctx)
526 DefaultContext *def = wctx->priv;
529 for (i = 0; i < SECTION_MAX_NB_LEVELS; i++)
530 av_bprint_init(&def->prefix[i], 1, AV_BPRINT_SIZE_UNLIMITED);
534 static void default_uninit(WriterContext *wctx)
536 DefaultContext *def = wctx->priv;
539 for (i = 0; i < SECTION_MAX_NB_LEVELS; i++)
540 av_bprint_finalize(&def->prefix[i], NULL);
543 static void default_print_section_header(WriterContext *wctx)
545 DefaultContext *def = wctx->priv;
547 const struct section *section = wctx->section[wctx->level];
548 const struct section *parent_section = wctx->level ?
549 wctx->section[wctx->level-1] : NULL;
551 av_bprint_clear(&def->prefix[wctx->level]);
552 if (parent_section &&
553 !(parent_section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY))) {
554 def->nested_section[wctx->level] = 1;
555 av_bprintf(&def->prefix[wctx->level], "%s%s:", def->prefix[wctx->level-1].str,
556 upcase_string(buf, sizeof(buf),
557 av_x_if_null(section->element_name, section->name)));
560 if (def->noprint_wrappers || def->nested_section[wctx->level])
563 if (!(section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY)))
564 printf("[%s]\n", upcase_string(buf, sizeof(buf), section->name));
567 static void default_print_section_footer(WriterContext *wctx)
569 DefaultContext *def = wctx->priv;
570 const struct section *section = wctx->section[wctx->level];
573 if (def->noprint_wrappers || def->nested_section[wctx->level])
576 if (!(section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY)))
577 printf("[/%s]\n", upcase_string(buf, sizeof(buf), section->name));
580 static void default_print_str(WriterContext *wctx, const char *key, const char *value)
582 DefaultContext *def = wctx->priv;
585 printf("%s%s=", def->prefix[wctx->level].str, key);
586 printf("%s\n", value);
589 static void default_print_int(WriterContext *wctx, const char *key, long long int value)
591 DefaultContext *def = wctx->priv;
594 printf("%s%s=", def->prefix[wctx->level].str, key);
595 printf("%lld\n", value);
598 static const Writer default_writer = {
600 .priv_size = sizeof(DefaultContext),
601 .init = default_init,
602 .uninit = default_uninit,
603 .print_section_header = default_print_section_header,
604 .print_section_footer = default_print_section_footer,
605 .print_integer = default_print_int,
606 .print_string = default_print_str,
607 .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS,
608 .priv_class = &default_class,
614 * Apply C-language-like string escaping.
616 static const char *c_escape_str(AVBPrint *dst, const char *src, const char sep, void *log_ctx)
620 for (p = src; *p; p++) {
622 case '\b': av_bprintf(dst, "%s", "\\b"); break;
623 case '\f': av_bprintf(dst, "%s", "\\f"); break;
624 case '\n': av_bprintf(dst, "%s", "\\n"); break;
625 case '\r': av_bprintf(dst, "%s", "\\r"); break;
626 case '\\': av_bprintf(dst, "%s", "\\\\"); break;
629 av_bprint_chars(dst, '\\', 1);
630 av_bprint_chars(dst, *p, 1);
637 * Quote fields containing special characters, check RFC4180.
639 static const char *csv_escape_str(AVBPrint *dst, const char *src, const char sep, void *log_ctx)
641 char meta_chars[] = { sep, '"', '\n', '\r', '\0' };
642 int needs_quoting = !!src[strcspn(src, meta_chars)];
645 av_bprint_chars(dst, '\"', 1);
647 for (; *src; src++) {
649 av_bprint_chars(dst, '\"', 1);
650 av_bprint_chars(dst, *src, 1);
653 av_bprint_chars(dst, '\"', 1);
657 static const char *none_escape_str(AVBPrint *dst, const char *src, const char sep, void *log_ctx)
662 typedef struct CompactContext {
663 const AVClass *class;
668 char *escape_mode_str;
669 const char * (*escape_str)(AVBPrint *dst, const char *src, const char sep, void *log_ctx);
670 int nested_section[SECTION_MAX_NB_LEVELS];
671 AVBPrint prefix[SECTION_MAX_NB_LEVELS];
675 #define OFFSET(x) offsetof(CompactContext, x)
677 static const AVOption compact_options[]= {
678 {"item_sep", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str="|"}, CHAR_MIN, CHAR_MAX },
679 {"s", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str="|"}, CHAR_MIN, CHAR_MAX },
680 {"nokey", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
681 {"nk", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
682 {"escape", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="c"}, CHAR_MIN, CHAR_MAX },
683 {"e", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="c"}, CHAR_MIN, CHAR_MAX },
684 {"print_section", "print section name", OFFSET(print_section), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
685 {"p", "print section name", OFFSET(print_section), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
689 DEFINE_WRITER_CLASS(compact);
691 static av_cold int compact_init(WriterContext *wctx)
693 CompactContext *compact = wctx->priv;
696 if (strlen(compact->item_sep_str) != 1) {
697 av_log(wctx, AV_LOG_ERROR, "Item separator '%s' specified, but must contain a single character\n",
698 compact->item_sep_str);
699 return AVERROR(EINVAL);
701 compact->item_sep = compact->item_sep_str[0];
703 if (!strcmp(compact->escape_mode_str, "none")) compact->escape_str = none_escape_str;
704 else if (!strcmp(compact->escape_mode_str, "c" )) compact->escape_str = c_escape_str;
705 else if (!strcmp(compact->escape_mode_str, "csv" )) compact->escape_str = csv_escape_str;
707 av_log(wctx, AV_LOG_ERROR, "Unknown escape mode '%s'\n", compact->escape_mode_str);
708 return AVERROR(EINVAL);
711 for (i = 0; i < SECTION_MAX_NB_LEVELS; i++)
712 av_bprint_init(&compact->prefix[i], 1, AV_BPRINT_SIZE_UNLIMITED);
716 static void compact_uninit(WriterContext *wctx)
718 CompactContext *compact = wctx->priv;
721 for (i = 0; i < SECTION_MAX_NB_LEVELS; i++)
722 av_bprint_finalize(&compact->prefix[i], NULL);
725 static void compact_print_section_header(WriterContext *wctx)
727 CompactContext *compact = wctx->priv;
728 const struct section *section = wctx->section[wctx->level];
729 const struct section *parent_section = wctx->level ?
730 wctx->section[wctx->level-1] : NULL;
732 av_bprint_clear(&compact->prefix[wctx->level]);
733 if (parent_section &&
734 !(parent_section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY))) {
735 compact->nested_section[wctx->level] = 1;
736 av_bprintf(&compact->prefix[wctx->level], "%s%s:",
737 compact->prefix[wctx->level-1].str,
738 (char *)av_x_if_null(section->element_name, section->name));
739 wctx->nb_item[wctx->level] = wctx->nb_item[wctx->level-1];
740 } else if (compact->print_section &&
741 !(section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY)))
742 printf("%s%c", section->name, compact->item_sep);
745 static void compact_print_section_footer(WriterContext *wctx)
747 CompactContext *compact = wctx->priv;
749 if (!compact->nested_section[wctx->level] &&
750 !(wctx->section[wctx->level]->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY)))
754 static void compact_print_str(WriterContext *wctx, const char *key, const char *value)
756 CompactContext *compact = wctx->priv;
759 if (wctx->nb_item[wctx->level]) printf("%c", compact->item_sep);
761 printf("%s%s=", compact->prefix[wctx->level].str, key);
762 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
763 printf("%s", compact->escape_str(&buf, value, compact->item_sep, wctx));
764 av_bprint_finalize(&buf, NULL);
767 static void compact_print_int(WriterContext *wctx, const char *key, long long int value)
769 CompactContext *compact = wctx->priv;
771 if (wctx->nb_item[wctx->level]) printf("%c", compact->item_sep);
773 printf("%s%s=", compact->prefix[wctx->level].str, key);
774 printf("%lld", value);
777 static const Writer compact_writer = {
779 .priv_size = sizeof(CompactContext),
780 .init = compact_init,
781 .uninit = compact_uninit,
782 .print_section_header = compact_print_section_header,
783 .print_section_footer = compact_print_section_footer,
784 .print_integer = compact_print_int,
785 .print_string = compact_print_str,
786 .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS,
787 .priv_class = &compact_class,
793 #define OFFSET(x) offsetof(CompactContext, x)
795 static const AVOption csv_options[] = {
796 {"item_sep", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str=","}, CHAR_MIN, CHAR_MAX },
797 {"s", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str=","}, CHAR_MIN, CHAR_MAX },
798 {"nokey", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
799 {"nk", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
800 {"escape", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="csv"}, CHAR_MIN, CHAR_MAX },
801 {"e", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="csv"}, CHAR_MIN, CHAR_MAX },
802 {"print_section", "print section name", OFFSET(print_section), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
803 {"p", "print section name", OFFSET(print_section), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
807 DEFINE_WRITER_CLASS(csv);
809 static const Writer csv_writer = {
811 .priv_size = sizeof(CompactContext),
812 .init = compact_init,
813 .print_section_header = compact_print_section_header,
814 .print_section_footer = compact_print_section_footer,
815 .print_integer = compact_print_int,
816 .print_string = compact_print_str,
817 .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS,
818 .priv_class = &csv_class,
823 typedef struct FlatContext {
824 const AVClass *class;
825 AVBPrint section_header[SECTION_MAX_NB_LEVELS];
832 #define OFFSET(x) offsetof(FlatContext, x)
834 static const AVOption flat_options[]= {
835 {"sep_char", "set separator", OFFSET(sep_str), AV_OPT_TYPE_STRING, {.str="."}, CHAR_MIN, CHAR_MAX },
836 {"s", "set separator", OFFSET(sep_str), AV_OPT_TYPE_STRING, {.str="."}, CHAR_MIN, CHAR_MAX },
837 {"hierarchical", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
838 {"h", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
842 DEFINE_WRITER_CLASS(flat);
844 static av_cold int flat_init(WriterContext *wctx)
846 FlatContext *flat = wctx->priv;
849 if (strlen(flat->sep_str) != 1) {
850 av_log(wctx, AV_LOG_ERROR, "Item separator '%s' specified, but must contain a single character\n",
852 return AVERROR(EINVAL);
854 flat->sep = flat->sep_str[0];
856 for (i = 0; i < SECTION_MAX_NB_LEVELS; i++)
857 av_bprint_init(&flat->section_header[i], 1, AV_BPRINT_SIZE_UNLIMITED);
861 static void flat_uninit(WriterContext *wctx)
863 FlatContext *flat = wctx->priv;
866 for (i = 0; i < SECTION_MAX_NB_LEVELS; i++)
867 av_bprint_finalize(&flat->section_header[i], NULL);
870 static const char *flat_escape_key_str(AVBPrint *dst, const char *src, const char sep)
874 for (p = src; *p; p++) {
875 if (!((*p >= '0' && *p <= '9') ||
876 (*p >= 'a' && *p <= 'z') ||
877 (*p >= 'A' && *p <= 'Z')))
878 av_bprint_chars(dst, '_', 1);
880 av_bprint_chars(dst, *p, 1);
885 static const char *flat_escape_value_str(AVBPrint *dst, const char *src)
889 for (p = src; *p; p++) {
891 case '\n': av_bprintf(dst, "%s", "\\n"); break;
892 case '\r': av_bprintf(dst, "%s", "\\r"); break;
893 case '\\': av_bprintf(dst, "%s", "\\\\"); break;
894 case '"': av_bprintf(dst, "%s", "\\\""); break;
895 case '`': av_bprintf(dst, "%s", "\\`"); break;
896 case '$': av_bprintf(dst, "%s", "\\$"); break;
897 default: av_bprint_chars(dst, *p, 1); break;
903 static void flat_print_section_header(WriterContext *wctx)
905 FlatContext *flat = wctx->priv;
906 AVBPrint *buf = &flat->section_header[wctx->level];
907 const struct section *section = wctx->section[wctx->level];
908 const struct section *parent_section = wctx->level ?
909 wctx->section[wctx->level-1] : NULL;
911 /* build section header */
912 av_bprint_clear(buf);
915 av_bprintf(buf, "%s", flat->section_header[wctx->level-1].str);
917 if (flat->hierarchical ||
918 !(section->flags & (SECTION_FLAG_IS_ARRAY|SECTION_FLAG_IS_WRAPPER))) {
919 av_bprintf(buf, "%s%s", wctx->section[wctx->level]->name, flat->sep_str);
921 if (parent_section->flags & SECTION_FLAG_IS_ARRAY) {
922 int n = parent_section->id == SECTION_ID_PACKETS_AND_FRAMES ?
923 wctx->nb_section_packet_frame : wctx->nb_item[wctx->level-1];
924 av_bprintf(buf, "%d%s", n, flat->sep_str);
929 static void flat_print_int(WriterContext *wctx, const char *key, long long int value)
931 FlatContext *flat = wctx->priv;
932 printf("%s%s=%lld\n", flat->section_header[wctx->level].str, key, value);
935 static void flat_print_str(WriterContext *wctx, const char *key, const char *value)
937 FlatContext *flat = wctx->priv;
940 printf("%s", flat->section_header[wctx->level].str);
941 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
942 printf("%s=", flat_escape_key_str(&buf, key, flat->sep));
943 av_bprint_clear(&buf);
944 printf("\"%s\"\n", flat_escape_value_str(&buf, value));
945 av_bprint_finalize(&buf, NULL);
948 static const Writer flat_writer = {
950 .priv_size = sizeof(FlatContext),
952 .uninit = flat_uninit,
953 .print_section_header = flat_print_section_header,
954 .print_integer = flat_print_int,
955 .print_string = flat_print_str,
956 .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS|WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,
957 .priv_class = &flat_class,
960 /* INI format output */
963 const AVClass *class;
965 AVBPrint section_header[SECTION_MAX_NB_LEVELS];
969 #define OFFSET(x) offsetof(INIContext, x)
971 static const AVOption ini_options[] = {
972 {"hierarchical", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
973 {"h", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
977 DEFINE_WRITER_CLASS(ini);
979 static int ini_init(WriterContext *wctx)
981 INIContext *ini = wctx->priv;
984 for (i = 0; i < SECTION_MAX_NB_LEVELS; i++)
985 av_bprint_init(&ini->section_header[i], 1, AV_BPRINT_SIZE_UNLIMITED);
989 static void ini_uninit(WriterContext *wctx)
991 INIContext *ini = wctx->priv;
994 for (i = 0; i < SECTION_MAX_NB_LEVELS; i++)
995 av_bprint_finalize(&ini->section_header[i], NULL);
998 static char *ini_escape_str(AVBPrint *dst, const char *src)
1003 while (c = src[i++]) {
1005 case '\b': av_bprintf(dst, "%s", "\\b"); break;
1006 case '\f': av_bprintf(dst, "%s", "\\f"); break;
1007 case '\n': av_bprintf(dst, "%s", "\\n"); break;
1008 case '\r': av_bprintf(dst, "%s", "\\r"); break;
1009 case '\t': av_bprintf(dst, "%s", "\\t"); break;
1013 case ':' : av_bprint_chars(dst, '\\', 1);
1015 if ((unsigned char)c < 32)
1016 av_bprintf(dst, "\\x00%02x", c & 0xff);
1018 av_bprint_chars(dst, c, 1);
1025 static void ini_print_section_header(WriterContext *wctx)
1027 INIContext *ini = wctx->priv;
1028 AVBPrint *buf = &ini->section_header[wctx->level];
1029 const struct section *section = wctx->section[wctx->level];
1030 const struct section *parent_section = wctx->level ?
1031 wctx->section[wctx->level-1] : NULL;
1033 av_bprint_clear(buf);
1034 if (!parent_section) {
1035 printf("# ffprobe output\n\n");
1039 if (wctx->nb_item[wctx->level-1])
1042 av_bprintf(buf, "%s", ini->section_header[wctx->level-1].str);
1043 if (ini->hierarchical ||
1044 !(section->flags & (SECTION_FLAG_IS_ARRAY|SECTION_FLAG_IS_WRAPPER))) {
1045 av_bprintf(buf, "%s%s", buf->str[0] ? "." : "", wctx->section[wctx->level]->name);
1047 if (parent_section->flags & SECTION_FLAG_IS_ARRAY) {
1048 int n = parent_section->id == SECTION_ID_PACKETS_AND_FRAMES ?
1049 wctx->nb_section_packet_frame : wctx->nb_item[wctx->level-1];
1050 av_bprintf(buf, ".%d", n);
1054 if (!(section->flags & (SECTION_FLAG_IS_ARRAY|SECTION_FLAG_IS_WRAPPER)))
1055 printf("[%s]\n", buf->str);
1058 static void ini_print_str(WriterContext *wctx, const char *key, const char *value)
1062 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1063 printf("%s=", ini_escape_str(&buf, key));
1064 av_bprint_clear(&buf);
1065 printf("%s\n", ini_escape_str(&buf, value));
1066 av_bprint_finalize(&buf, NULL);
1069 static void ini_print_int(WriterContext *wctx, const char *key, long long int value)
1071 printf("%s=%lld\n", key, value);
1074 static const Writer ini_writer = {
1076 .priv_size = sizeof(INIContext),
1078 .uninit = ini_uninit,
1079 .print_section_header = ini_print_section_header,
1080 .print_integer = ini_print_int,
1081 .print_string = ini_print_str,
1082 .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS|WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,
1083 .priv_class = &ini_class,
1089 const AVClass *class;
1092 const char *item_sep, *item_start_end;
1096 #define OFFSET(x) offsetof(JSONContext, x)
1098 static const AVOption json_options[]= {
1099 { "compact", "enable compact output", OFFSET(compact), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
1100 { "c", "enable compact output", OFFSET(compact), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
1104 DEFINE_WRITER_CLASS(json);
1106 static av_cold int json_init(WriterContext *wctx)
1108 JSONContext *json = wctx->priv;
1110 json->item_sep = json->compact ? ", " : ",\n";
1111 json->item_start_end = json->compact ? " " : "\n";
1116 static const char *json_escape_str(AVBPrint *dst, const char *src, void *log_ctx)
1118 static const char json_escape[] = {'"', '\\', '\b', '\f', '\n', '\r', '\t', 0};
1119 static const char json_subst[] = {'"', '\\', 'b', 'f', 'n', 'r', 't', 0};
1122 for (p = src; *p; p++) {
1123 char *s = strchr(json_escape, *p);
1125 av_bprint_chars(dst, '\\', 1);
1126 av_bprint_chars(dst, json_subst[s - json_escape], 1);
1127 } else if ((unsigned char)*p < 32) {
1128 av_bprintf(dst, "\\u00%02x", *p & 0xff);
1130 av_bprint_chars(dst, *p, 1);
1136 #define JSON_INDENT() printf("%*c", json->indent_level * 4, ' ')
1138 static void json_print_section_header(WriterContext *wctx)
1140 JSONContext *json = wctx->priv;
1142 const struct section *section = wctx->section[wctx->level];
1143 const struct section *parent_section = wctx->level ?
1144 wctx->section[wctx->level-1] : NULL;
1146 if (wctx->level && wctx->nb_item[wctx->level-1])
1149 if (section->flags & SECTION_FLAG_IS_WRAPPER) {
1151 json->indent_level++;
1153 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1154 json_escape_str(&buf, section->name, wctx);
1157 json->indent_level++;
1158 if (section->flags & SECTION_FLAG_IS_ARRAY) {
1159 printf("\"%s\": [\n", buf.str);
1160 } else if (!(parent_section->flags & SECTION_FLAG_IS_ARRAY)) {
1161 printf("\"%s\": {%s", buf.str, json->item_start_end);
1163 printf("{%s", json->item_start_end);
1165 /* this is required so the parser can distinguish between packets and frames */
1166 if (parent_section->id == SECTION_ID_PACKETS_AND_FRAMES) {
1169 printf("\"type\": \"%s\"%s", section->name, json->item_sep);
1172 av_bprint_finalize(&buf, NULL);
1176 static void json_print_section_footer(WriterContext *wctx)
1178 JSONContext *json = wctx->priv;
1179 const struct section *section = wctx->section[wctx->level];
1181 if (wctx->level == 0) {
1182 json->indent_level--;
1184 } else if (section->flags & SECTION_FLAG_IS_ARRAY) {
1186 json->indent_level--;
1190 printf("%s", json->item_start_end);
1191 json->indent_level--;
1198 static inline void json_print_item_str(WriterContext *wctx,
1199 const char *key, const char *value)
1203 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1204 printf("\"%s\":", json_escape_str(&buf, key, wctx));
1205 av_bprint_clear(&buf);
1206 printf(" \"%s\"", json_escape_str(&buf, value, wctx));
1207 av_bprint_finalize(&buf, NULL);
1210 static void json_print_str(WriterContext *wctx, const char *key, const char *value)
1212 JSONContext *json = wctx->priv;
1214 if (wctx->nb_item[wctx->level])
1215 printf("%s", json->item_sep);
1218 json_print_item_str(wctx, key, value);
1221 static void json_print_int(WriterContext *wctx, const char *key, long long int value)
1223 JSONContext *json = wctx->priv;
1226 if (wctx->nb_item[wctx->level])
1227 printf("%s", json->item_sep);
1231 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1232 printf("\"%s\": %lld", json_escape_str(&buf, key, wctx), value);
1233 av_bprint_finalize(&buf, NULL);
1236 static const Writer json_writer = {
1238 .priv_size = sizeof(JSONContext),
1240 .print_section_header = json_print_section_header,
1241 .print_section_footer = json_print_section_footer,
1242 .print_integer = json_print_int,
1243 .print_string = json_print_str,
1244 .flags = WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,
1245 .priv_class = &json_class,
1251 const AVClass *class;
1254 int fully_qualified;
1259 #define OFFSET(x) offsetof(XMLContext, x)
1261 static const AVOption xml_options[] = {
1262 {"fully_qualified", "specify if the output should be fully qualified", OFFSET(fully_qualified), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
1263 {"q", "specify if the output should be fully qualified", OFFSET(fully_qualified), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
1264 {"xsd_strict", "ensure that the output is XSD compliant", OFFSET(xsd_strict), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
1265 {"x", "ensure that the output is XSD compliant", OFFSET(xsd_strict), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
1269 DEFINE_WRITER_CLASS(xml);
1271 static av_cold int xml_init(WriterContext *wctx)
1273 XMLContext *xml = wctx->priv;
1275 if (xml->xsd_strict) {
1276 xml->fully_qualified = 1;
1277 #define CHECK_COMPLIANCE(opt, opt_name) \
1279 av_log(wctx, AV_LOG_ERROR, \
1280 "XSD-compliant output selected but option '%s' was selected, XML output may be non-compliant.\n" \
1281 "You need to disable such option with '-no%s'\n", opt_name, opt_name); \
1282 return AVERROR(EINVAL); \
1284 CHECK_COMPLIANCE(show_private_data, "private");
1285 CHECK_COMPLIANCE(show_value_unit, "unit");
1286 CHECK_COMPLIANCE(use_value_prefix, "prefix");
1288 if (do_show_frames && do_show_packets) {
1289 av_log(wctx, AV_LOG_ERROR,
1290 "Interleaved frames and packets are not allowed in XSD. "
1291 "Select only one between the -show_frames and the -show_packets options.\n");
1292 return AVERROR(EINVAL);
1299 static const char *xml_escape_str(AVBPrint *dst, const char *src, void *log_ctx)
1303 for (p = src; *p; p++) {
1305 case '&' : av_bprintf(dst, "%s", "&"); break;
1306 case '<' : av_bprintf(dst, "%s", "<"); break;
1307 case '>' : av_bprintf(dst, "%s", ">"); break;
1308 case '\"': av_bprintf(dst, "%s", """); break;
1309 case '\'': av_bprintf(dst, "%s", "'"); break;
1310 default: av_bprint_chars(dst, *p, 1);
1317 #define XML_INDENT() printf("%*c", xml->indent_level * 4, ' ')
1319 static void xml_print_section_header(WriterContext *wctx)
1321 XMLContext *xml = wctx->priv;
1322 const struct section *section = wctx->section[wctx->level];
1323 const struct section *parent_section = wctx->level ?
1324 wctx->section[wctx->level-1] : NULL;
1326 if (wctx->level == 0) {
1327 const char *qual = " xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' "
1328 "xmlns:ffprobe='http://www.ffmpeg.org/schema/ffprobe' "
1329 "xsi:schemaLocation='http://www.ffmpeg.org/schema/ffprobe ffprobe.xsd'";
1331 printf("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");
1332 printf("<%sffprobe%s>\n",
1333 xml->fully_qualified ? "ffprobe:" : "",
1334 xml->fully_qualified ? qual : "");
1338 if (xml->within_tag) {
1339 xml->within_tag = 0;
1342 if (section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS) {
1343 xml->indent_level++;
1345 if (parent_section && (parent_section->flags & SECTION_FLAG_IS_WRAPPER) &&
1346 wctx->level && wctx->nb_item[wctx->level-1])
1348 xml->indent_level++;
1350 if (section->flags & SECTION_FLAG_IS_ARRAY) {
1351 XML_INDENT(); printf("<%s>\n", section->name);
1353 XML_INDENT(); printf("<%s ", section->name);
1354 xml->within_tag = 1;
1359 static void xml_print_section_footer(WriterContext *wctx)
1361 XMLContext *xml = wctx->priv;
1362 const struct section *section = wctx->section[wctx->level];
1364 if (wctx->level == 0) {
1365 printf("</%sffprobe>\n", xml->fully_qualified ? "ffprobe:" : "");
1366 } else if (xml->within_tag) {
1367 xml->within_tag = 0;
1369 xml->indent_level--;
1370 } else if (section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS) {
1371 xml->indent_level--;
1373 XML_INDENT(); printf("</%s>\n", section->name);
1374 xml->indent_level--;
1378 static void xml_print_str(WriterContext *wctx, const char *key, const char *value)
1381 XMLContext *xml = wctx->priv;
1382 const struct section *section = wctx->section[wctx->level];
1384 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1386 if (section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS) {
1388 printf("<%s key=\"%s\"",
1389 section->element_name, xml_escape_str(&buf, key, wctx));
1390 av_bprint_clear(&buf);
1391 printf(" value=\"%s\"/>\n", xml_escape_str(&buf, value, wctx));
1393 if (wctx->nb_item[wctx->level])
1395 printf("%s=\"%s\"", key, xml_escape_str(&buf, value, wctx));
1398 av_bprint_finalize(&buf, NULL);
1401 static void xml_print_int(WriterContext *wctx, const char *key, long long int value)
1403 if (wctx->nb_item[wctx->level])
1405 printf("%s=\"%lld\"", key, value);
1408 static Writer xml_writer = {
1410 .priv_size = sizeof(XMLContext),
1412 .print_section_header = xml_print_section_header,
1413 .print_section_footer = xml_print_section_footer,
1414 .print_integer = xml_print_int,
1415 .print_string = xml_print_str,
1416 .flags = WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,
1417 .priv_class = &xml_class,
1420 static void writer_register_all(void)
1422 static int initialized;
1428 writer_register(&default_writer);
1429 writer_register(&compact_writer);
1430 writer_register(&csv_writer);
1431 writer_register(&flat_writer);
1432 writer_register(&ini_writer);
1433 writer_register(&json_writer);
1434 writer_register(&xml_writer);
1437 #define print_fmt(k, f, ...) do { \
1438 av_bprint_clear(&pbuf); \
1439 av_bprintf(&pbuf, f, __VA_ARGS__); \
1440 writer_print_string(w, k, pbuf.str, 0); \
1443 #define print_int(k, v) writer_print_integer(w, k, v)
1444 #define print_q(k, v, s) writer_print_rational(w, k, v, s)
1445 #define print_str(k, v) writer_print_string(w, k, v, 0)
1446 #define print_str_opt(k, v) writer_print_string(w, k, v, 1)
1447 #define print_time(k, v, tb) writer_print_time(w, k, v, tb, 0)
1448 #define print_ts(k, v) writer_print_ts(w, k, v, 0)
1449 #define print_duration_time(k, v, tb) writer_print_time(w, k, v, tb, 1)
1450 #define print_duration_ts(k, v) writer_print_ts(w, k, v, 1)
1451 #define print_val(k, v, u) do { \
1452 struct unit_value uv; \
1455 writer_print_string(w, k, value_string(val_str, sizeof(val_str), uv), 0); \
1458 #define print_section_header(s) writer_print_section_header(w, s)
1459 #define print_section_footer(s) writer_print_section_footer(w, s)
1461 static inline void show_tags(WriterContext *wctx, AVDictionary *tags, int section_id)
1463 AVDictionaryEntry *tag = NULL;
1467 writer_print_section_header(wctx, section_id);
1468 while ((tag = av_dict_get(tags, "", tag, AV_DICT_IGNORE_SUFFIX)))
1469 writer_print_string(wctx, tag->key, tag->value, 0);
1470 writer_print_section_footer(wctx);
1473 static void show_packet(WriterContext *w, AVFormatContext *fmt_ctx, AVPacket *pkt, int packet_idx)
1476 AVStream *st = fmt_ctx->streams[pkt->stream_index];
1480 av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
1482 writer_print_section_header(w, SECTION_ID_PACKET);
1484 s = av_get_media_type_string(st->codec->codec_type);
1485 if (s) print_str ("codec_type", s);
1486 else print_str_opt("codec_type", "unknown");
1487 print_int("stream_index", pkt->stream_index);
1488 print_ts ("pts", pkt->pts);
1489 print_time("pts_time", pkt->pts, &st->time_base);
1490 print_ts ("dts", pkt->dts);
1491 print_time("dts_time", pkt->dts, &st->time_base);
1492 print_duration_ts("duration", pkt->duration);
1493 print_duration_time("duration_time", pkt->duration, &st->time_base);
1494 print_duration_ts("convergence_duration", pkt->convergence_duration);
1495 print_duration_time("convergence_duration_time", pkt->convergence_duration, &st->time_base);
1496 print_val("size", pkt->size, unit_byte_str);
1497 if (pkt->pos != -1) print_fmt ("pos", "%"PRId64, pkt->pos);
1498 else print_str_opt("pos", "N/A");
1499 print_fmt("flags", "%c", pkt->flags & AV_PKT_FLAG_KEY ? 'K' : '_');
1501 writer_print_data(w, "data", pkt->data, pkt->size);
1502 writer_print_section_footer(w);
1504 av_bprint_finalize(&pbuf, NULL);
1508 static void show_frame(WriterContext *w, AVFrame *frame, AVStream *stream,
1509 AVFormatContext *fmt_ctx)
1514 av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
1516 writer_print_section_header(w, SECTION_ID_FRAME);
1518 s = av_get_media_type_string(stream->codec->codec_type);
1519 if (s) print_str ("media_type", s);
1520 else print_str_opt("media_type", "unknown");
1521 print_int("key_frame", frame->key_frame);
1522 print_ts ("pkt_pts", frame->pkt_pts);
1523 print_time("pkt_pts_time", frame->pkt_pts, &stream->time_base);
1524 print_ts ("pkt_dts", frame->pkt_dts);
1525 print_time("pkt_dts_time", frame->pkt_dts, &stream->time_base);
1526 print_duration_ts ("pkt_duration", frame->pkt_duration);
1527 print_duration_time("pkt_duration_time", frame->pkt_duration, &stream->time_base);
1528 if (frame->pkt_pos != -1) print_fmt ("pkt_pos", "%"PRId64, frame->pkt_pos);
1529 else print_str_opt("pkt_pos", "N/A");
1531 switch (stream->codec->codec_type) {
1534 case AVMEDIA_TYPE_VIDEO:
1535 print_int("width", frame->width);
1536 print_int("height", frame->height);
1537 s = av_get_pix_fmt_name(frame->format);
1538 if (s) print_str ("pix_fmt", s);
1539 else print_str_opt("pix_fmt", "unknown");
1540 sar = av_guess_sample_aspect_ratio(fmt_ctx, stream, frame);
1542 print_q("sample_aspect_ratio", sar, ':');
1544 print_str_opt("sample_aspect_ratio", "N/A");
1546 print_fmt("pict_type", "%c", av_get_picture_type_char(frame->pict_type));
1547 print_int("coded_picture_number", frame->coded_picture_number);
1548 print_int("display_picture_number", frame->display_picture_number);
1549 print_int("interlaced_frame", frame->interlaced_frame);
1550 print_int("top_field_first", frame->top_field_first);
1551 print_int("repeat_pict", frame->repeat_pict);
1552 print_int("reference", frame->reference);
1555 case AVMEDIA_TYPE_AUDIO:
1556 s = av_get_sample_fmt_name(frame->format);
1557 if (s) print_str ("sample_fmt", s);
1558 else print_str_opt("sample_fmt", "unknown");
1559 print_int("nb_samples", frame->nb_samples);
1560 print_int("channels", av_frame_get_channels(frame));
1561 if (av_frame_get_channel_layout(frame)) {
1562 av_bprint_clear(&pbuf);
1563 av_bprint_channel_layout(&pbuf, av_frame_get_channels(frame),
1564 av_frame_get_channel_layout(frame));
1565 print_str ("channel_layout", pbuf.str);
1567 print_str_opt("channel_layout", "unknown");
1570 show_tags(w, av_frame_get_metadata(frame), SECTION_ID_FRAME_TAGS);
1572 writer_print_section_footer(w);
1574 av_bprint_finalize(&pbuf, NULL);
1578 static av_always_inline int process_frame(WriterContext *w,
1579 AVFormatContext *fmt_ctx,
1580 AVFrame *frame, AVPacket *pkt)
1582 AVCodecContext *dec_ctx = fmt_ctx->streams[pkt->stream_index]->codec;
1583 int ret = 0, got_frame = 0;
1585 avcodec_get_frame_defaults(frame);
1586 if (dec_ctx->codec) {
1587 switch (dec_ctx->codec_type) {
1588 case AVMEDIA_TYPE_VIDEO:
1589 ret = avcodec_decode_video2(dec_ctx, frame, &got_frame, pkt);
1592 case AVMEDIA_TYPE_AUDIO:
1593 ret = avcodec_decode_audio4(dec_ctx, frame, &got_frame, pkt);
1600 ret = FFMIN(ret, pkt->size); /* guard against bogus return values */
1604 nb_streams_frames[pkt->stream_index]++;
1606 show_frame(w, frame, fmt_ctx->streams[pkt->stream_index], fmt_ctx);
1611 static void read_packets(WriterContext *w, AVFormatContext *fmt_ctx)
1617 av_init_packet(&pkt);
1619 while (!av_read_frame(fmt_ctx, &pkt)) {
1620 if (selected_streams[pkt.stream_index]) {
1621 if (do_read_packets) {
1622 if (do_show_packets)
1623 show_packet(w, fmt_ctx, &pkt, i++);
1624 nb_streams_packets[pkt.stream_index]++;
1626 if (do_read_frames) {
1628 while (pkt1.size && process_frame(w, fmt_ctx, &frame, &pkt1) > 0);
1631 av_free_packet(&pkt);
1633 av_init_packet(&pkt);
1636 //Flush remaining frames that are cached in the decoder
1637 for (i = 0; i < fmt_ctx->nb_streams; i++) {
1638 pkt.stream_index = i;
1640 while (process_frame(w, fmt_ctx, &frame, &pkt) > 0);
1644 static void show_stream(WriterContext *w, AVFormatContext *fmt_ctx, int stream_idx)
1646 AVStream *stream = fmt_ctx->streams[stream_idx];
1647 AVCodecContext *dec_ctx;
1651 AVRational sar, dar;
1654 av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
1656 writer_print_section_header(w, SECTION_ID_STREAM);
1658 print_int("index", stream->index);
1660 if ((dec_ctx = stream->codec)) {
1661 const char *profile = NULL;
1662 dec = dec_ctx->codec;
1664 print_str("codec_name", dec->name);
1666 if (dec->long_name) print_str ("codec_long_name", dec->long_name);
1667 else print_str_opt("codec_long_name", "unknown");
1670 print_str_opt("codec_name", "unknown");
1672 print_str_opt("codec_long_name", "unknown");
1676 if (dec && (profile = av_get_profile_name(dec, dec_ctx->profile)))
1677 print_str("profile", profile);
1679 print_str_opt("profile", "unknown");
1681 s = av_get_media_type_string(dec_ctx->codec_type);
1682 if (s) print_str ("codec_type", s);
1683 else print_str_opt("codec_type", "unknown");
1684 print_q("codec_time_base", dec_ctx->time_base, '/');
1686 /* print AVI/FourCC tag */
1687 av_get_codec_tag_string(val_str, sizeof(val_str), dec_ctx->codec_tag);
1688 print_str("codec_tag_string", val_str);
1689 print_fmt("codec_tag", "0x%04x", dec_ctx->codec_tag);
1691 switch (dec_ctx->codec_type) {
1692 case AVMEDIA_TYPE_VIDEO:
1693 print_int("width", dec_ctx->width);
1694 print_int("height", dec_ctx->height);
1695 print_int("has_b_frames", dec_ctx->has_b_frames);
1696 sar = av_guess_sample_aspect_ratio(fmt_ctx, stream, NULL);
1698 print_q("sample_aspect_ratio", sar, ':');
1699 av_reduce(&dar.num, &dar.den,
1700 dec_ctx->width * sar.num,
1701 dec_ctx->height * sar.den,
1703 print_q("display_aspect_ratio", dar, ':');
1705 print_str_opt("sample_aspect_ratio", "N/A");
1706 print_str_opt("display_aspect_ratio", "N/A");
1708 s = av_get_pix_fmt_name(dec_ctx->pix_fmt);
1709 if (s) print_str ("pix_fmt", s);
1710 else print_str_opt("pix_fmt", "unknown");
1711 print_int("level", dec_ctx->level);
1712 if (dec_ctx->timecode_frame_start >= 0) {
1713 char tcbuf[AV_TIMECODE_STR_SIZE];
1714 av_timecode_make_mpeg_tc_string(tcbuf, dec_ctx->timecode_frame_start);
1715 print_str("timecode", tcbuf);
1717 print_str_opt("timecode", "N/A");
1721 case AVMEDIA_TYPE_AUDIO:
1722 s = av_get_sample_fmt_name(dec_ctx->sample_fmt);
1723 if (s) print_str ("sample_fmt", s);
1724 else print_str_opt("sample_fmt", "unknown");
1725 print_val("sample_rate", dec_ctx->sample_rate, unit_hertz_str);
1726 print_int("channels", dec_ctx->channels);
1727 print_int("bits_per_sample", av_get_bits_per_sample(dec_ctx->codec_id));
1731 print_str_opt("codec_type", "unknown");
1733 if (dec_ctx->codec && dec_ctx->codec->priv_class && show_private_data) {
1734 const AVOption *opt = NULL;
1735 while (opt = av_opt_next(dec_ctx->priv_data,opt)) {
1737 if (opt->flags) continue;
1738 if (av_opt_get(dec_ctx->priv_data, opt->name, 0, &str) >= 0) {
1739 print_str(opt->name, str);
1745 if (fmt_ctx->iformat->flags & AVFMT_SHOW_IDS) print_fmt ("id", "0x%x", stream->id);
1746 else print_str_opt("id", "N/A");
1747 print_q("r_frame_rate", stream->r_frame_rate, '/');
1748 print_q("avg_frame_rate", stream->avg_frame_rate, '/');
1749 print_q("time_base", stream->time_base, '/');
1750 print_ts ("start_pts", stream->start_time);
1751 print_time("start_time", stream->start_time, &stream->time_base);
1752 print_ts ("duration_ts", stream->duration);
1753 print_time("duration", stream->duration, &stream->time_base);
1754 if (dec_ctx->bit_rate > 0) print_val ("bit_rate", dec_ctx->bit_rate, unit_bit_per_second_str);
1755 else print_str_opt("bit_rate", "N/A");
1756 if (stream->nb_frames) print_fmt ("nb_frames", "%"PRId64, stream->nb_frames);
1757 else print_str_opt("nb_frames", "N/A");
1758 if (nb_streams_frames[stream_idx]) print_fmt ("nb_read_frames", "%"PRIu64, nb_streams_frames[stream_idx]);
1759 else print_str_opt("nb_read_frames", "N/A");
1760 if (nb_streams_packets[stream_idx]) print_fmt ("nb_read_packets", "%"PRIu64, nb_streams_packets[stream_idx]);
1761 else print_str_opt("nb_read_packets", "N/A");
1763 writer_print_data(w, "extradata", dec_ctx->extradata,
1764 dec_ctx->extradata_size);
1766 /* Print disposition information */
1767 #define PRINT_DISPOSITION(flagname, name) do { \
1768 print_int(name, !!(stream->disposition & AV_DISPOSITION_##flagname)); \
1771 writer_print_section_header(w, SECTION_ID_STREAM_DISPOSITION);
1772 PRINT_DISPOSITION(DEFAULT, "default");
1773 PRINT_DISPOSITION(DUB, "dub");
1774 PRINT_DISPOSITION(ORIGINAL, "original");
1775 PRINT_DISPOSITION(COMMENT, "comment");
1776 PRINT_DISPOSITION(LYRICS, "lyrics");
1777 PRINT_DISPOSITION(KARAOKE, "karaoke");
1778 PRINT_DISPOSITION(FORCED, "forced");
1779 PRINT_DISPOSITION(HEARING_IMPAIRED, "hearing_impaired");
1780 PRINT_DISPOSITION(VISUAL_IMPAIRED, "visual_impaired");
1781 PRINT_DISPOSITION(CLEAN_EFFECTS, "clean_effects");
1782 PRINT_DISPOSITION(ATTACHED_PIC, "attached_pic");
1783 writer_print_section_footer(w);
1785 show_tags(w, stream->metadata, SECTION_ID_STREAM_TAGS);
1787 writer_print_section_footer(w);
1788 av_bprint_finalize(&pbuf, NULL);
1792 static void show_streams(WriterContext *w, AVFormatContext *fmt_ctx)
1795 writer_print_section_header(w, SECTION_ID_STREAMS);
1796 for (i = 0; i < fmt_ctx->nb_streams; i++)
1797 if (selected_streams[i])
1798 show_stream(w, fmt_ctx, i);
1799 writer_print_section_footer(w);
1802 static void show_format(WriterContext *w, AVFormatContext *fmt_ctx)
1805 int64_t size = fmt_ctx->pb ? avio_size(fmt_ctx->pb) : -1;
1807 writer_print_section_header(w, SECTION_ID_FORMAT);
1808 print_str("filename", fmt_ctx->filename);
1809 print_int("nb_streams", fmt_ctx->nb_streams);
1810 print_str("format_name", fmt_ctx->iformat->name);
1812 if (fmt_ctx->iformat->long_name) print_str ("format_long_name", fmt_ctx->iformat->long_name);
1813 else print_str_opt("format_long_name", "unknown");
1815 print_time("start_time", fmt_ctx->start_time, &AV_TIME_BASE_Q);
1816 print_time("duration", fmt_ctx->duration, &AV_TIME_BASE_Q);
1817 if (size >= 0) print_val ("size", size, unit_byte_str);
1818 else print_str_opt("size", "N/A");
1819 if (fmt_ctx->bit_rate > 0) print_val ("bit_rate", fmt_ctx->bit_rate, unit_bit_per_second_str);
1820 else print_str_opt("bit_rate", "N/A");
1821 show_tags(w, fmt_ctx->metadata, SECTION_ID_FORMAT_TAGS);
1823 writer_print_section_footer(w);
1827 static void show_error(WriterContext *w, int err)
1830 const char *errbuf_ptr = errbuf;
1832 if (av_strerror(err, errbuf, sizeof(errbuf)) < 0)
1833 errbuf_ptr = strerror(AVUNERROR(err));
1835 writer_print_section_header(w, SECTION_ID_ERROR);
1836 print_int("code", err);
1837 print_str("string", errbuf_ptr);
1838 writer_print_section_footer(w);
1841 static int open_input_file(AVFormatContext **fmt_ctx_ptr, const char *filename)
1844 AVFormatContext *fmt_ctx = NULL;
1845 AVDictionaryEntry *t;
1847 if ((err = avformat_open_input(&fmt_ctx, filename,
1848 iformat, &format_opts)) < 0) {
1849 print_error(filename, err);
1852 if ((t = av_dict_get(format_opts, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
1853 av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
1854 return AVERROR_OPTION_NOT_FOUND;
1858 /* fill the streams in the format context */
1859 if ((err = avformat_find_stream_info(fmt_ctx, NULL)) < 0) {
1860 print_error(filename, err);
1864 av_dump_format(fmt_ctx, 0, filename, 0);
1866 /* bind a decoder to each input stream */
1867 for (i = 0; i < fmt_ctx->nb_streams; i++) {
1868 AVStream *stream = fmt_ctx->streams[i];
1871 if (stream->codec->codec_id == AV_CODEC_ID_PROBE) {
1872 av_log(NULL, AV_LOG_ERROR,
1873 "Failed to probe codec for input stream %d\n",
1875 } else if (!(codec = avcodec_find_decoder(stream->codec->codec_id))) {
1876 av_log(NULL, AV_LOG_ERROR,
1877 "Unsupported codec with id %d for input stream %d\n",
1878 stream->codec->codec_id, stream->index);
1879 } else if (avcodec_open2(stream->codec, codec, NULL) < 0) {
1880 av_log(NULL, AV_LOG_ERROR, "Error while opening codec for input stream %d\n",
1885 *fmt_ctx_ptr = fmt_ctx;
1889 static void close_input_file(AVFormatContext **ctx_ptr)
1892 AVFormatContext *fmt_ctx = *ctx_ptr;
1894 /* close decoder for each stream */
1895 for (i = 0; i < fmt_ctx->nb_streams; i++)
1896 if (fmt_ctx->streams[i]->codec->codec_id != AV_CODEC_ID_NONE)
1897 avcodec_close(fmt_ctx->streams[i]->codec);
1899 avformat_close_input(ctx_ptr);
1902 static int probe_file(WriterContext *wctx, const char *filename)
1904 AVFormatContext *fmt_ctx;
1908 do_read_frames = do_show_frames || do_count_frames;
1909 do_read_packets = do_show_packets || do_count_packets;
1911 ret = open_input_file(&fmt_ctx, filename);
1913 nb_streams_frames = av_calloc(fmt_ctx->nb_streams, sizeof(*nb_streams_frames));
1914 nb_streams_packets = av_calloc(fmt_ctx->nb_streams, sizeof(*nb_streams_packets));
1915 selected_streams = av_calloc(fmt_ctx->nb_streams, sizeof(*selected_streams));
1917 for (i = 0; i < fmt_ctx->nb_streams; i++) {
1918 if (stream_specifier) {
1919 ret = avformat_match_stream_specifier(fmt_ctx,
1920 fmt_ctx->streams[i],
1925 selected_streams[i] = ret;
1927 selected_streams[i] = 1;
1931 if (do_read_frames || do_read_packets) {
1932 if (do_show_frames && do_show_packets &&
1933 wctx->writer->flags & WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER)
1934 section_id = SECTION_ID_PACKETS_AND_FRAMES;
1935 else if (do_show_packets && !do_show_frames)
1936 section_id = SECTION_ID_PACKETS;
1937 else // (!do_show_packets && do_show_frames)
1938 section_id = SECTION_ID_FRAMES;
1939 if (do_show_frames || do_show_packets)
1940 writer_print_section_header(wctx, section_id);
1941 read_packets(wctx, fmt_ctx);
1942 if (do_show_frames || do_show_packets)
1943 writer_print_section_footer(wctx);
1945 if (do_show_streams)
1946 show_streams(wctx, fmt_ctx);
1948 show_format(wctx, fmt_ctx);
1951 close_input_file(&fmt_ctx);
1952 av_freep(&nb_streams_frames);
1953 av_freep(&nb_streams_packets);
1954 av_freep(&selected_streams);
1959 static void show_usage(void)
1961 av_log(NULL, AV_LOG_INFO, "Simple multimedia streams analyzer\n");
1962 av_log(NULL, AV_LOG_INFO, "usage: %s [OPTIONS] [INPUT_FILE]\n", program_name);
1963 av_log(NULL, AV_LOG_INFO, "\n");
1966 static void ffprobe_show_program_version(WriterContext *w)
1969 av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
1971 writer_print_section_header(w, SECTION_ID_PROGRAM_VERSION);
1972 print_str("version", FFMPEG_VERSION);
1973 print_fmt("copyright", "Copyright (c) %d-%d the FFmpeg developers",
1974 program_birth_year, this_year);
1975 print_str("build_date", __DATE__);
1976 print_str("build_time", __TIME__);
1977 print_str("compiler_ident", CC_IDENT);
1978 print_str("configuration", FFMPEG_CONFIGURATION);
1979 writer_print_section_footer(w);
1981 av_bprint_finalize(&pbuf, NULL);
1984 #define SHOW_LIB_VERSION(libname, LIBNAME) \
1986 if (CONFIG_##LIBNAME) { \
1987 unsigned int version = libname##_version(); \
1988 writer_print_section_header(w, SECTION_ID_LIBRARY_VERSION); \
1989 print_str("name", "lib" #libname); \
1990 print_int("major", LIB##LIBNAME##_VERSION_MAJOR); \
1991 print_int("minor", LIB##LIBNAME##_VERSION_MINOR); \
1992 print_int("micro", LIB##LIBNAME##_VERSION_MICRO); \
1993 print_int("version", version); \
1994 print_str("ident", LIB##LIBNAME##_IDENT); \
1995 writer_print_section_footer(w); \
1999 static void ffprobe_show_library_versions(WriterContext *w)
2001 writer_print_section_header(w, SECTION_ID_LIBRARY_VERSIONS);
2002 SHOW_LIB_VERSION(avutil, AVUTIL);
2003 SHOW_LIB_VERSION(avcodec, AVCODEC);
2004 SHOW_LIB_VERSION(avformat, AVFORMAT);
2005 SHOW_LIB_VERSION(avdevice, AVDEVICE);
2006 SHOW_LIB_VERSION(avfilter, AVFILTER);
2007 SHOW_LIB_VERSION(swscale, SWSCALE);
2008 SHOW_LIB_VERSION(swresample, SWRESAMPLE);
2009 SHOW_LIB_VERSION(postproc, POSTPROC);
2010 writer_print_section_footer(w);
2013 static int opt_format(void *optctx, const char *opt, const char *arg)
2015 iformat = av_find_input_format(arg);
2017 av_log(NULL, AV_LOG_ERROR, "Unknown input format: %s\n", arg);
2018 return AVERROR(EINVAL);
2023 static int opt_show_format_entry(void *optctx, const char *opt, const char *arg)
2026 av_dict_set(&fmt_entries_to_show, arg, "", 0);
2030 static void opt_input_file(void *optctx, const char *arg)
2032 if (input_filename) {
2033 av_log(NULL, AV_LOG_ERROR,
2034 "Argument '%s' provided as input filename, but '%s' was already specified.\n",
2035 arg, input_filename);
2038 if (!strcmp(arg, "-"))
2040 input_filename = arg;
2043 static int opt_input_file_i(void *optctx, const char *opt, const char *arg)
2045 opt_input_file(optctx, arg);
2049 void show_help_default(const char *opt, const char *arg)
2051 av_log_set_callback(log_callback_help);
2053 show_help_options(options, "Main options:", 0, 0, 0);
2056 show_help_children(avformat_get_class(), AV_OPT_FLAG_DECODING_PARAM);
2059 static int opt_pretty(void *optctx, const char *opt, const char *arg)
2061 show_value_unit = 1;
2062 use_value_prefix = 1;
2063 use_byte_value_binary_prefix = 1;
2064 use_value_sexagesimal_format = 1;
2068 static int opt_show_versions(const char *opt, const char *arg)
2070 do_show_program_version = 1;
2071 do_show_library_versions = 1;
2075 static const OptionDef real_options[] = {
2076 #include "cmdutils_common_opts.h"
2077 { "f", HAS_ARG, {.func_arg = opt_format}, "force format", "format" },
2078 { "unit", OPT_BOOL, {&show_value_unit}, "show unit of the displayed values" },
2079 { "prefix", OPT_BOOL, {&use_value_prefix}, "use SI prefixes for the displayed values" },
2080 { "byte_binary_prefix", OPT_BOOL, {&use_byte_value_binary_prefix},
2081 "use binary prefixes for byte units" },
2082 { "sexagesimal", OPT_BOOL, {&use_value_sexagesimal_format},
2083 "use sexagesimal format HOURS:MM:SS.MICROSECONDS for time units" },
2084 { "pretty", 0, {.func_arg = opt_pretty},
2085 "prettify the format of displayed values, make it more human readable" },
2086 { "print_format", OPT_STRING | HAS_ARG, {(void*)&print_format},
2087 "set the output printing format (available formats are: default, compact, csv, flat, ini, json, xml)", "format" },
2088 { "of", OPT_STRING | HAS_ARG, {(void*)&print_format}, "alias for -print_format", "format" },
2089 { "select_streams", OPT_STRING | HAS_ARG, {(void*)&stream_specifier}, "select the specified streams", "stream_specifier" },
2090 { "show_data", OPT_BOOL, {(void*)&do_show_data}, "show packets data" },
2091 { "show_error", OPT_BOOL, {(void*)&do_show_error} , "show probing error" },
2092 { "show_format", OPT_BOOL, {&do_show_format} , "show format/container info" },
2093 { "show_frames", OPT_BOOL, {(void*)&do_show_frames} , "show frames info" },
2094 { "show_format_entry", HAS_ARG, {.func_arg = opt_show_format_entry},
2095 "show a particular entry from the format/container info", "entry" },
2096 { "show_packets", OPT_BOOL, {&do_show_packets}, "show packets info" },
2097 { "show_streams", OPT_BOOL, {&do_show_streams}, "show streams info" },
2098 { "count_frames", OPT_BOOL, {(void*)&do_count_frames}, "count the number of frames per stream" },
2099 { "count_packets", OPT_BOOL, {(void*)&do_count_packets}, "count the number of packets per stream" },
2100 { "show_program_version", OPT_BOOL, {(void*)&do_show_program_version}, "show ffprobe version" },
2101 { "show_library_versions", OPT_BOOL, {(void*)&do_show_library_versions}, "show library versions" },
2102 { "show_versions", 0, {(void*)&opt_show_versions}, "show program and library versions" },
2103 { "show_private_data", OPT_BOOL, {(void*)&show_private_data}, "show private data" },
2104 { "private", OPT_BOOL, {(void*)&show_private_data}, "same as show_private_data" },
2105 { "bitexact", OPT_BOOL, {&do_bitexact}, "force bitexact output" },
2106 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {.func_arg = opt_default}, "generic catch all option", "" },
2107 { "i", HAS_ARG, {.func_arg = opt_input_file_i}, "read specified file", "input_file"},
2111 int main(int argc, char **argv)
2114 WriterContext *wctx;
2116 char *w_name = NULL, *w_args = NULL;
2119 av_log_set_flags(AV_LOG_SKIP_REPEATED);
2120 atexit(exit_program);
2122 options = real_options;
2123 parse_loglevel(argc, argv, options);
2125 avformat_network_init();
2128 avdevice_register_all();
2131 show_banner(argc, argv, options);
2132 parse_options(NULL, argc, argv, options, opt_input_file);
2134 if (do_bitexact && (do_show_program_version || do_show_library_versions)) {
2135 av_log(NULL, AV_LOG_ERROR,
2136 "-bitexact and -show_program_version or -show_library_versions "
2137 "options are incompatible\n");
2138 ret = AVERROR(EINVAL);
2142 writer_register_all();
2145 print_format = av_strdup("default");
2146 w_name = av_strtok(print_format, "=", &buf);
2149 w = writer_get_by_name(w_name);
2151 av_log(NULL, AV_LOG_ERROR, "Unknown output format with name '%s'\n", w_name);
2152 ret = AVERROR(EINVAL);
2156 if ((ret = writer_open(&wctx, w, w_args,
2157 sections, FF_ARRAY_ELEMS(sections))) >= 0) {
2158 writer_print_section_header(wctx, SECTION_ID_ROOT);
2160 if (do_show_program_version)
2161 ffprobe_show_program_version(wctx);
2162 if (do_show_library_versions)
2163 ffprobe_show_library_versions(wctx);
2165 if (!input_filename &&
2166 ((do_show_format || do_show_streams || do_show_packets || do_show_error) ||
2167 (!do_show_program_version && !do_show_library_versions))) {
2169 av_log(NULL, AV_LOG_ERROR, "You have to specify one input file.\n");
2170 av_log(NULL, AV_LOG_ERROR, "Use -h to get full help or, even better, run 'man %s'.\n", program_name);
2171 ret = AVERROR(EINVAL);
2172 } else if (input_filename) {
2173 ret = probe_file(wctx, input_filename);
2174 if (ret < 0 && do_show_error)
2175 show_error(wctx, ret);
2178 writer_print_section_footer(wctx);
2179 writer_close(&wctx);
2183 av_freep(&print_format);
2186 av_dict_free(&fmt_entries_to_show);
2188 avformat_network_deinit();