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];
250 AVBPrint section_pbuf[SECTION_MAX_NB_LEVELS]; ///< generic print buffer dedicated to each section,
251 /// used by various writers
253 unsigned int nb_section_packet; ///< number of the packet section in case we are in "packets_and_frames" section
254 unsigned int nb_section_frame; ///< number of the frame section in case we are in "packets_and_frames" section
255 unsigned int nb_section_packet_frame; ///< nb_section_packet or nb_section_frame according if is_packets_and_frames
258 static const char *writer_get_name(void *p)
260 WriterContext *wctx = p;
261 return wctx->writer->name;
264 static const AVClass writer_class = {
268 LIBAVUTIL_VERSION_INT,
271 static void writer_close(WriterContext **wctx)
278 if ((*wctx)->writer->uninit)
279 (*wctx)->writer->uninit(*wctx);
280 for (i = 0; i < SECTION_MAX_NB_LEVELS; i++)
281 av_bprint_finalize(&(*wctx)->section_pbuf[i], NULL);
282 if ((*wctx)->writer->priv_class)
283 av_opt_free((*wctx)->priv);
284 av_freep(&((*wctx)->priv));
288 static int writer_open(WriterContext **wctx, const Writer *writer, const char *args,
289 const struct section *sections, int nb_sections)
293 if (!(*wctx = av_malloc(sizeof(WriterContext)))) {
294 ret = AVERROR(ENOMEM);
298 if (!((*wctx)->priv = av_mallocz(writer->priv_size))) {
299 ret = AVERROR(ENOMEM);
303 (*wctx)->class = &writer_class;
304 (*wctx)->writer = writer;
306 (*wctx)->sections = sections;
307 (*wctx)->nb_sections = nb_sections;
309 if (writer->priv_class) {
310 void *priv_ctx = (*wctx)->priv;
311 *((const AVClass **)priv_ctx) = writer->priv_class;
312 av_opt_set_defaults(priv_ctx);
315 (ret = av_set_options_string(priv_ctx, args, "=", ":")) < 0)
319 for (i = 0; i < SECTION_MAX_NB_LEVELS; i++)
320 av_bprint_init(&(*wctx)->section_pbuf[i], 1, AV_BPRINT_SIZE_UNLIMITED);
322 if ((*wctx)->writer->init)
323 ret = (*wctx)->writer->init(*wctx);
334 static inline void writer_print_section_header(WriterContext *wctx,
337 int parent_section_id;
339 av_assert0(wctx->level < SECTION_MAX_NB_LEVELS);
340 parent_section_id = wctx->level ?
341 (wctx->section[wctx->level-1])->id : SECTION_ID_NONE;
343 wctx->nb_item[wctx->level] = 0;
344 wctx->section[wctx->level] = &wctx->sections[section_id];
346 if (section_id == SECTION_ID_PACKETS_AND_FRAMES) {
347 wctx->nb_section_packet = wctx->nb_section_frame =
348 wctx->nb_section_packet_frame = 0;
349 } else if (parent_section_id == SECTION_ID_PACKETS_AND_FRAMES) {
350 wctx->nb_section_packet_frame = section_id == SECTION_ID_PACKET ?
351 wctx->nb_section_packet : wctx->nb_section_frame;
354 if (wctx->writer->print_section_header)
355 wctx->writer->print_section_header(wctx);
358 static inline void writer_print_section_footer(WriterContext *wctx)
360 int section_id = wctx->section[wctx->level]->id;
361 int parent_section_id = wctx->level ?
362 wctx->section[wctx->level-1]->id : SECTION_ID_NONE;
364 if (parent_section_id != SECTION_ID_NONE)
365 wctx->nb_item[wctx->level-1]++;
366 if (parent_section_id == SECTION_ID_PACKETS_AND_FRAMES) {
367 if (section_id == SECTION_ID_PACKET) wctx->nb_section_packet++;
368 else wctx->nb_section_frame++;
370 if (wctx->writer->print_section_footer)
371 wctx->writer->print_section_footer(wctx);
375 static inline void writer_print_integer(WriterContext *wctx,
376 const char *key, long long int val)
378 if ((wctx->section[wctx->level]->id != SECTION_ID_FORMAT
379 && wctx->section[wctx->level]->id != SECTION_ID_FORMAT_TAGS) ||
380 !fmt_entries_to_show || av_dict_get(fmt_entries_to_show, key, NULL, 0)) {
381 wctx->writer->print_integer(wctx, key, val);
382 wctx->nb_item[wctx->level]++;
386 static inline void writer_print_string(WriterContext *wctx,
387 const char *key, const char *val, int opt)
389 if (opt && !(wctx->writer->flags & WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS))
391 if ((wctx->section[wctx->level]->id != SECTION_ID_FORMAT
392 && wctx->section[wctx->level]->id != SECTION_ID_FORMAT_TAGS) ||
393 !fmt_entries_to_show || av_dict_get(fmt_entries_to_show, key, NULL, 0)) {
394 wctx->writer->print_string(wctx, key, val);
395 wctx->nb_item[wctx->level]++;
399 static inline void writer_print_rational(WriterContext *wctx,
400 const char *key, AVRational q, char sep)
403 av_bprint_init(&buf, 0, AV_BPRINT_SIZE_AUTOMATIC);
404 av_bprintf(&buf, "%d%c%d", q.num, sep, q.den);
405 writer_print_string(wctx, key, buf.str, 0);
408 static void writer_print_time(WriterContext *wctx, const char *key,
409 int64_t ts, const AVRational *time_base, int is_duration)
413 if ((!is_duration && ts == AV_NOPTS_VALUE) || (is_duration && ts == 0)) {
414 writer_print_string(wctx, key, "N/A", 1);
416 double d = ts * av_q2d(*time_base);
417 struct unit_value uv;
419 uv.unit = unit_second_str;
420 value_string(buf, sizeof(buf), uv);
421 writer_print_string(wctx, key, buf, 0);
425 static void writer_print_ts(WriterContext *wctx, const char *key, int64_t ts, int is_duration)
427 if ((!is_duration && ts == AV_NOPTS_VALUE) || (is_duration && ts == 0)) {
428 writer_print_string(wctx, key, "N/A", 1);
430 writer_print_integer(wctx, key, ts);
434 static void writer_print_data(WriterContext *wctx, const char *name,
435 uint8_t *data, int size)
438 int offset = 0, l, i;
440 av_bprint_init(&bp, 0, AV_BPRINT_SIZE_UNLIMITED);
441 av_bprintf(&bp, "\n");
443 av_bprintf(&bp, "%08x: ", offset);
445 for (i = 0; i < l; i++) {
446 av_bprintf(&bp, "%02x", data[i]);
448 av_bprintf(&bp, " ");
450 av_bprint_chars(&bp, ' ', 41 - 2 * i - i / 2);
451 for (i = 0; i < l; i++)
452 av_bprint_chars(&bp, data[i] - 32U < 95 ? data[i] : '.', 1);
453 av_bprintf(&bp, "\n");
458 writer_print_string(wctx, name, bp.str, 0);
459 av_bprint_finalize(&bp, NULL);
462 #define MAX_REGISTERED_WRITERS_NB 64
464 static const Writer *registered_writers[MAX_REGISTERED_WRITERS_NB + 1];
466 static int writer_register(const Writer *writer)
468 static int next_registered_writer_idx = 0;
470 if (next_registered_writer_idx == MAX_REGISTERED_WRITERS_NB)
471 return AVERROR(ENOMEM);
473 registered_writers[next_registered_writer_idx++] = writer;
477 static const Writer *writer_get_by_name(const char *name)
481 for (i = 0; registered_writers[i]; i++)
482 if (!strcmp(registered_writers[i]->name, name))
483 return registered_writers[i];
491 #define DEFINE_WRITER_CLASS(name) \
492 static const char *name##_get_name(void *ctx) \
496 static const AVClass name##_class = { \
504 typedef struct DefaultContext {
505 const AVClass *class;
507 int noprint_wrappers;
508 int nested_section[SECTION_MAX_NB_LEVELS];
511 #define OFFSET(x) offsetof(DefaultContext, x)
513 static const AVOption default_options[] = {
514 { "noprint_wrappers", "do not print headers and footers", OFFSET(noprint_wrappers), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
515 { "nw", "do not print headers and footers", OFFSET(noprint_wrappers), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
516 { "nokey", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
517 { "nk", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
521 DEFINE_WRITER_CLASS(default);
523 /* lame uppercasing routine, assumes the string is lower case ASCII */
524 static inline char *upcase_string(char *dst, size_t dst_size, const char *src)
527 for (i = 0; src[i] && i < dst_size-1; i++)
528 dst[i] = av_toupper(src[i]);
533 static void default_print_section_header(WriterContext *wctx)
535 DefaultContext *def = wctx->priv;
537 const struct section *section = wctx->section[wctx->level];
538 const struct section *parent_section = wctx->level ?
539 wctx->section[wctx->level-1] : NULL;
541 av_bprint_clear(&wctx->section_pbuf[wctx->level]);
542 if (parent_section &&
543 !(parent_section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY))) {
544 def->nested_section[wctx->level] = 1;
545 av_bprintf(&wctx->section_pbuf[wctx->level], "%s%s:",
546 wctx->section_pbuf[wctx->level-1].str,
547 upcase_string(buf, sizeof(buf),
548 av_x_if_null(section->element_name, section->name)));
551 if (def->noprint_wrappers || def->nested_section[wctx->level])
554 if (!(section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY)))
555 printf("[%s]\n", upcase_string(buf, sizeof(buf), section->name));
558 static void default_print_section_footer(WriterContext *wctx)
560 DefaultContext *def = wctx->priv;
561 const struct section *section = wctx->section[wctx->level];
564 if (def->noprint_wrappers || def->nested_section[wctx->level])
567 if (!(section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY)))
568 printf("[/%s]\n", upcase_string(buf, sizeof(buf), section->name));
571 static void default_print_str(WriterContext *wctx, const char *key, const char *value)
573 DefaultContext *def = wctx->priv;
576 printf("%s%s=", wctx->section_pbuf[wctx->level].str, key);
577 printf("%s\n", value);
580 static void default_print_int(WriterContext *wctx, const char *key, long long int value)
582 DefaultContext *def = wctx->priv;
585 printf("%s%s=", wctx->section_pbuf[wctx->level].str, key);
586 printf("%lld\n", value);
589 static const Writer default_writer = {
591 .priv_size = sizeof(DefaultContext),
592 .print_section_header = default_print_section_header,
593 .print_section_footer = default_print_section_footer,
594 .print_integer = default_print_int,
595 .print_string = default_print_str,
596 .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS,
597 .priv_class = &default_class,
603 * Apply C-language-like string escaping.
605 static const char *c_escape_str(AVBPrint *dst, const char *src, const char sep, void *log_ctx)
609 for (p = src; *p; p++) {
611 case '\b': av_bprintf(dst, "%s", "\\b"); break;
612 case '\f': av_bprintf(dst, "%s", "\\f"); break;
613 case '\n': av_bprintf(dst, "%s", "\\n"); break;
614 case '\r': av_bprintf(dst, "%s", "\\r"); break;
615 case '\\': av_bprintf(dst, "%s", "\\\\"); break;
618 av_bprint_chars(dst, '\\', 1);
619 av_bprint_chars(dst, *p, 1);
626 * Quote fields containing special characters, check RFC4180.
628 static const char *csv_escape_str(AVBPrint *dst, const char *src, const char sep, void *log_ctx)
630 char meta_chars[] = { sep, '"', '\n', '\r', '\0' };
631 int needs_quoting = !!src[strcspn(src, meta_chars)];
634 av_bprint_chars(dst, '\"', 1);
636 for (; *src; src++) {
638 av_bprint_chars(dst, '\"', 1);
639 av_bprint_chars(dst, *src, 1);
642 av_bprint_chars(dst, '\"', 1);
646 static const char *none_escape_str(AVBPrint *dst, const char *src, const char sep, void *log_ctx)
651 typedef struct CompactContext {
652 const AVClass *class;
657 char *escape_mode_str;
658 const char * (*escape_str)(AVBPrint *dst, const char *src, const char sep, void *log_ctx);
659 int nested_section[SECTION_MAX_NB_LEVELS];
663 #define OFFSET(x) offsetof(CompactContext, x)
665 static const AVOption compact_options[]= {
666 {"item_sep", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str="|"}, CHAR_MIN, CHAR_MAX },
667 {"s", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str="|"}, CHAR_MIN, CHAR_MAX },
668 {"nokey", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
669 {"nk", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
670 {"escape", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="c"}, CHAR_MIN, CHAR_MAX },
671 {"e", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="c"}, CHAR_MIN, CHAR_MAX },
672 {"print_section", "print section name", OFFSET(print_section), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
673 {"p", "print section name", OFFSET(print_section), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
677 DEFINE_WRITER_CLASS(compact);
679 static av_cold int compact_init(WriterContext *wctx)
681 CompactContext *compact = wctx->priv;
683 if (strlen(compact->item_sep_str) != 1) {
684 av_log(wctx, AV_LOG_ERROR, "Item separator '%s' specified, but must contain a single character\n",
685 compact->item_sep_str);
686 return AVERROR(EINVAL);
688 compact->item_sep = compact->item_sep_str[0];
690 if (!strcmp(compact->escape_mode_str, "none")) compact->escape_str = none_escape_str;
691 else if (!strcmp(compact->escape_mode_str, "c" )) compact->escape_str = c_escape_str;
692 else if (!strcmp(compact->escape_mode_str, "csv" )) compact->escape_str = csv_escape_str;
694 av_log(wctx, AV_LOG_ERROR, "Unknown escape mode '%s'\n", compact->escape_mode_str);
695 return AVERROR(EINVAL);
701 static void compact_print_section_header(WriterContext *wctx)
703 CompactContext *compact = wctx->priv;
704 const struct section *section = wctx->section[wctx->level];
705 const struct section *parent_section = wctx->level ?
706 wctx->section[wctx->level-1] : NULL;
708 av_bprint_clear(&wctx->section_pbuf[wctx->level]);
709 if (parent_section &&
710 !(parent_section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY))) {
711 compact->nested_section[wctx->level] = 1;
712 av_bprintf(&wctx->section_pbuf[wctx->level], "%s%s:",
713 wctx->section_pbuf[wctx->level-1].str,
714 (char *)av_x_if_null(section->element_name, section->name));
715 wctx->nb_item[wctx->level] = wctx->nb_item[wctx->level-1];
716 } else if (compact->print_section &&
717 !(section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY)))
718 printf("%s%c", section->name, compact->item_sep);
721 static void compact_print_section_footer(WriterContext *wctx)
723 CompactContext *compact = wctx->priv;
725 if (!compact->nested_section[wctx->level] &&
726 !(wctx->section[wctx->level]->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY)))
730 static void compact_print_str(WriterContext *wctx, const char *key, const char *value)
732 CompactContext *compact = wctx->priv;
735 if (wctx->nb_item[wctx->level]) printf("%c", compact->item_sep);
737 printf("%s%s=", wctx->section_pbuf[wctx->level].str, key);
738 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
739 printf("%s", compact->escape_str(&buf, value, compact->item_sep, wctx));
740 av_bprint_finalize(&buf, NULL);
743 static void compact_print_int(WriterContext *wctx, const char *key, long long int value)
745 CompactContext *compact = wctx->priv;
747 if (wctx->nb_item[wctx->level]) printf("%c", compact->item_sep);
749 printf("%s%s=", wctx->section_pbuf[wctx->level].str, key);
750 printf("%lld", value);
753 static const Writer compact_writer = {
755 .priv_size = sizeof(CompactContext),
756 .init = compact_init,
757 .print_section_header = compact_print_section_header,
758 .print_section_footer = compact_print_section_footer,
759 .print_integer = compact_print_int,
760 .print_string = compact_print_str,
761 .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS,
762 .priv_class = &compact_class,
768 #define OFFSET(x) offsetof(CompactContext, x)
770 static const AVOption csv_options[] = {
771 {"item_sep", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str=","}, CHAR_MIN, CHAR_MAX },
772 {"s", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str=","}, CHAR_MIN, CHAR_MAX },
773 {"nokey", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
774 {"nk", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
775 {"escape", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="csv"}, CHAR_MIN, CHAR_MAX },
776 {"e", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="csv"}, CHAR_MIN, CHAR_MAX },
777 {"print_section", "print section name", OFFSET(print_section), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
778 {"p", "print section name", OFFSET(print_section), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
782 DEFINE_WRITER_CLASS(csv);
784 static const Writer csv_writer = {
786 .priv_size = sizeof(CompactContext),
787 .init = compact_init,
788 .print_section_header = compact_print_section_header,
789 .print_section_footer = compact_print_section_footer,
790 .print_integer = compact_print_int,
791 .print_string = compact_print_str,
792 .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS,
793 .priv_class = &csv_class,
798 typedef struct FlatContext {
799 const AVClass *class;
806 #define OFFSET(x) offsetof(FlatContext, x)
808 static const AVOption flat_options[]= {
809 {"sep_char", "set separator", OFFSET(sep_str), AV_OPT_TYPE_STRING, {.str="."}, CHAR_MIN, CHAR_MAX },
810 {"s", "set separator", OFFSET(sep_str), AV_OPT_TYPE_STRING, {.str="."}, CHAR_MIN, CHAR_MAX },
811 {"hierarchical", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
812 {"h", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
816 DEFINE_WRITER_CLASS(flat);
818 static av_cold int flat_init(WriterContext *wctx)
820 FlatContext *flat = wctx->priv;
822 if (strlen(flat->sep_str) != 1) {
823 av_log(wctx, AV_LOG_ERROR, "Item separator '%s' specified, but must contain a single character\n",
825 return AVERROR(EINVAL);
827 flat->sep = flat->sep_str[0];
832 static const char *flat_escape_key_str(AVBPrint *dst, const char *src, const char sep)
836 for (p = src; *p; p++) {
837 if (!((*p >= '0' && *p <= '9') ||
838 (*p >= 'a' && *p <= 'z') ||
839 (*p >= 'A' && *p <= 'Z')))
840 av_bprint_chars(dst, '_', 1);
842 av_bprint_chars(dst, *p, 1);
847 static const char *flat_escape_value_str(AVBPrint *dst, const char *src)
851 for (p = src; *p; p++) {
853 case '\n': av_bprintf(dst, "%s", "\\n"); break;
854 case '\r': av_bprintf(dst, "%s", "\\r"); break;
855 case '\\': av_bprintf(dst, "%s", "\\\\"); break;
856 case '"': av_bprintf(dst, "%s", "\\\""); break;
857 case '`': av_bprintf(dst, "%s", "\\`"); break;
858 case '$': av_bprintf(dst, "%s", "\\$"); break;
859 default: av_bprint_chars(dst, *p, 1); break;
865 static void flat_print_section_header(WriterContext *wctx)
867 FlatContext *flat = wctx->priv;
868 AVBPrint *buf = &wctx->section_pbuf[wctx->level];
869 const struct section *section = wctx->section[wctx->level];
870 const struct section *parent_section = wctx->level ?
871 wctx->section[wctx->level-1] : NULL;
873 /* build section header */
874 av_bprint_clear(buf);
877 av_bprintf(buf, "%s", wctx->section_pbuf[wctx->level-1].str);
879 if (flat->hierarchical ||
880 !(section->flags & (SECTION_FLAG_IS_ARRAY|SECTION_FLAG_IS_WRAPPER))) {
881 av_bprintf(buf, "%s%s", wctx->section[wctx->level]->name, flat->sep_str);
883 if (parent_section->flags & SECTION_FLAG_IS_ARRAY) {
884 int n = parent_section->id == SECTION_ID_PACKETS_AND_FRAMES ?
885 wctx->nb_section_packet_frame : wctx->nb_item[wctx->level-1];
886 av_bprintf(buf, "%d%s", n, flat->sep_str);
891 static void flat_print_int(WriterContext *wctx, const char *key, long long int value)
893 printf("%s%s=%lld\n", wctx->section_pbuf[wctx->level].str, key, value);
896 static void flat_print_str(WriterContext *wctx, const char *key, const char *value)
898 FlatContext *flat = wctx->priv;
901 printf("%s", wctx->section_pbuf[wctx->level].str);
902 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
903 printf("%s=", flat_escape_key_str(&buf, key, flat->sep));
904 av_bprint_clear(&buf);
905 printf("\"%s\"\n", flat_escape_value_str(&buf, value));
906 av_bprint_finalize(&buf, NULL);
909 static const Writer flat_writer = {
911 .priv_size = sizeof(FlatContext),
913 .print_section_header = flat_print_section_header,
914 .print_integer = flat_print_int,
915 .print_string = flat_print_str,
916 .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS|WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,
917 .priv_class = &flat_class,
920 /* INI format output */
923 const AVClass *class;
928 #define OFFSET(x) offsetof(INIContext, x)
930 static const AVOption ini_options[] = {
931 {"hierarchical", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
932 {"h", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
936 DEFINE_WRITER_CLASS(ini);
938 static char *ini_escape_str(AVBPrint *dst, const char *src)
943 while (c = src[i++]) {
945 case '\b': av_bprintf(dst, "%s", "\\b"); break;
946 case '\f': av_bprintf(dst, "%s", "\\f"); break;
947 case '\n': av_bprintf(dst, "%s", "\\n"); break;
948 case '\r': av_bprintf(dst, "%s", "\\r"); break;
949 case '\t': av_bprintf(dst, "%s", "\\t"); break;
953 case ':' : av_bprint_chars(dst, '\\', 1);
955 if ((unsigned char)c < 32)
956 av_bprintf(dst, "\\x00%02x", c & 0xff);
958 av_bprint_chars(dst, c, 1);
965 static void ini_print_section_header(WriterContext *wctx)
967 INIContext *ini = wctx->priv;
968 AVBPrint *buf = &wctx->section_pbuf[wctx->level];
969 const struct section *section = wctx->section[wctx->level];
970 const struct section *parent_section = wctx->level ?
971 wctx->section[wctx->level-1] : NULL;
973 av_bprint_clear(buf);
974 if (!parent_section) {
975 printf("# ffprobe output\n\n");
979 if (wctx->nb_item[wctx->level-1])
982 av_bprintf(buf, "%s", wctx->section_pbuf[wctx->level-1].str);
983 if (ini->hierarchical ||
984 !(section->flags & (SECTION_FLAG_IS_ARRAY|SECTION_FLAG_IS_WRAPPER))) {
985 av_bprintf(buf, "%s%s", buf->str[0] ? "." : "", wctx->section[wctx->level]->name);
987 if (parent_section->flags & SECTION_FLAG_IS_ARRAY) {
988 int n = parent_section->id == SECTION_ID_PACKETS_AND_FRAMES ?
989 wctx->nb_section_packet_frame : wctx->nb_item[wctx->level-1];
990 av_bprintf(buf, ".%d", n);
994 if (!(section->flags & (SECTION_FLAG_IS_ARRAY|SECTION_FLAG_IS_WRAPPER)))
995 printf("[%s]\n", buf->str);
998 static void ini_print_str(WriterContext *wctx, const char *key, const char *value)
1002 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1003 printf("%s=", ini_escape_str(&buf, key));
1004 av_bprint_clear(&buf);
1005 printf("%s\n", ini_escape_str(&buf, value));
1006 av_bprint_finalize(&buf, NULL);
1009 static void ini_print_int(WriterContext *wctx, const char *key, long long int value)
1011 printf("%s=%lld\n", key, value);
1014 static const Writer ini_writer = {
1016 .priv_size = sizeof(INIContext),
1017 .print_section_header = ini_print_section_header,
1018 .print_integer = ini_print_int,
1019 .print_string = ini_print_str,
1020 .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS|WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,
1021 .priv_class = &ini_class,
1027 const AVClass *class;
1030 const char *item_sep, *item_start_end;
1034 #define OFFSET(x) offsetof(JSONContext, x)
1036 static const AVOption json_options[]= {
1037 { "compact", "enable compact output", OFFSET(compact), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
1038 { "c", "enable compact output", OFFSET(compact), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
1042 DEFINE_WRITER_CLASS(json);
1044 static av_cold int json_init(WriterContext *wctx)
1046 JSONContext *json = wctx->priv;
1048 json->item_sep = json->compact ? ", " : ",\n";
1049 json->item_start_end = json->compact ? " " : "\n";
1054 static const char *json_escape_str(AVBPrint *dst, const char *src, void *log_ctx)
1056 static const char json_escape[] = {'"', '\\', '\b', '\f', '\n', '\r', '\t', 0};
1057 static const char json_subst[] = {'"', '\\', 'b', 'f', 'n', 'r', 't', 0};
1060 for (p = src; *p; p++) {
1061 char *s = strchr(json_escape, *p);
1063 av_bprint_chars(dst, '\\', 1);
1064 av_bprint_chars(dst, json_subst[s - json_escape], 1);
1065 } else if ((unsigned char)*p < 32) {
1066 av_bprintf(dst, "\\u00%02x", *p & 0xff);
1068 av_bprint_chars(dst, *p, 1);
1074 #define JSON_INDENT() printf("%*c", json->indent_level * 4, ' ')
1076 static void json_print_section_header(WriterContext *wctx)
1078 JSONContext *json = wctx->priv;
1080 const struct section *section = wctx->section[wctx->level];
1081 const struct section *parent_section = wctx->level ?
1082 wctx->section[wctx->level-1] : NULL;
1084 if (wctx->level && wctx->nb_item[wctx->level-1])
1087 if (section->flags & SECTION_FLAG_IS_WRAPPER) {
1089 json->indent_level++;
1091 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1092 json_escape_str(&buf, section->name, wctx);
1095 json->indent_level++;
1096 if (section->flags & SECTION_FLAG_IS_ARRAY) {
1097 printf("\"%s\": [\n", buf.str);
1098 } else if (parent_section && !(parent_section->flags & SECTION_FLAG_IS_ARRAY)) {
1099 printf("\"%s\": {%s", buf.str, json->item_start_end);
1101 printf("{%s", json->item_start_end);
1103 /* this is required so the parser can distinguish between packets and frames */
1104 if (parent_section && parent_section->id == SECTION_ID_PACKETS_AND_FRAMES) {
1107 printf("\"type\": \"%s\"%s", section->name, json->item_sep);
1110 av_bprint_finalize(&buf, NULL);
1114 static void json_print_section_footer(WriterContext *wctx)
1116 JSONContext *json = wctx->priv;
1117 const struct section *section = wctx->section[wctx->level];
1119 if (wctx->level == 0) {
1120 json->indent_level--;
1122 } else if (section->flags & SECTION_FLAG_IS_ARRAY) {
1124 json->indent_level--;
1128 printf("%s", json->item_start_end);
1129 json->indent_level--;
1136 static inline void json_print_item_str(WriterContext *wctx,
1137 const char *key, const char *value)
1141 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1142 printf("\"%s\":", json_escape_str(&buf, key, wctx));
1143 av_bprint_clear(&buf);
1144 printf(" \"%s\"", json_escape_str(&buf, value, wctx));
1145 av_bprint_finalize(&buf, NULL);
1148 static void json_print_str(WriterContext *wctx, const char *key, const char *value)
1150 JSONContext *json = wctx->priv;
1152 if (wctx->nb_item[wctx->level])
1153 printf("%s", json->item_sep);
1156 json_print_item_str(wctx, key, value);
1159 static void json_print_int(WriterContext *wctx, const char *key, long long int value)
1161 JSONContext *json = wctx->priv;
1164 if (wctx->nb_item[wctx->level])
1165 printf("%s", json->item_sep);
1169 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1170 printf("\"%s\": %lld", json_escape_str(&buf, key, wctx), value);
1171 av_bprint_finalize(&buf, NULL);
1174 static const Writer json_writer = {
1176 .priv_size = sizeof(JSONContext),
1178 .print_section_header = json_print_section_header,
1179 .print_section_footer = json_print_section_footer,
1180 .print_integer = json_print_int,
1181 .print_string = json_print_str,
1182 .flags = WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,
1183 .priv_class = &json_class,
1189 const AVClass *class;
1192 int fully_qualified;
1197 #define OFFSET(x) offsetof(XMLContext, x)
1199 static const AVOption xml_options[] = {
1200 {"fully_qualified", "specify if the output should be fully qualified", OFFSET(fully_qualified), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
1201 {"q", "specify if the output should be fully qualified", OFFSET(fully_qualified), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
1202 {"xsd_strict", "ensure that the output is XSD compliant", OFFSET(xsd_strict), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
1203 {"x", "ensure that the output is XSD compliant", OFFSET(xsd_strict), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
1207 DEFINE_WRITER_CLASS(xml);
1209 static av_cold int xml_init(WriterContext *wctx)
1211 XMLContext *xml = wctx->priv;
1213 if (xml->xsd_strict) {
1214 xml->fully_qualified = 1;
1215 #define CHECK_COMPLIANCE(opt, opt_name) \
1217 av_log(wctx, AV_LOG_ERROR, \
1218 "XSD-compliant output selected but option '%s' was selected, XML output may be non-compliant.\n" \
1219 "You need to disable such option with '-no%s'\n", opt_name, opt_name); \
1220 return AVERROR(EINVAL); \
1222 CHECK_COMPLIANCE(show_private_data, "private");
1223 CHECK_COMPLIANCE(show_value_unit, "unit");
1224 CHECK_COMPLIANCE(use_value_prefix, "prefix");
1226 if (do_show_frames && do_show_packets) {
1227 av_log(wctx, AV_LOG_ERROR,
1228 "Interleaved frames and packets are not allowed in XSD. "
1229 "Select only one between the -show_frames and the -show_packets options.\n");
1230 return AVERROR(EINVAL);
1237 static const char *xml_escape_str(AVBPrint *dst, const char *src, void *log_ctx)
1241 for (p = src; *p; p++) {
1243 case '&' : av_bprintf(dst, "%s", "&"); break;
1244 case '<' : av_bprintf(dst, "%s", "<"); break;
1245 case '>' : av_bprintf(dst, "%s", ">"); break;
1246 case '\"': av_bprintf(dst, "%s", """); break;
1247 case '\'': av_bprintf(dst, "%s", "'"); break;
1248 default: av_bprint_chars(dst, *p, 1);
1255 #define XML_INDENT() printf("%*c", xml->indent_level * 4, ' ')
1257 static void xml_print_section_header(WriterContext *wctx)
1259 XMLContext *xml = wctx->priv;
1260 const struct section *section = wctx->section[wctx->level];
1261 const struct section *parent_section = wctx->level ?
1262 wctx->section[wctx->level-1] : NULL;
1264 if (wctx->level == 0) {
1265 const char *qual = " xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' "
1266 "xmlns:ffprobe='http://www.ffmpeg.org/schema/ffprobe' "
1267 "xsi:schemaLocation='http://www.ffmpeg.org/schema/ffprobe ffprobe.xsd'";
1269 printf("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");
1270 printf("<%sffprobe%s>\n",
1271 xml->fully_qualified ? "ffprobe:" : "",
1272 xml->fully_qualified ? qual : "");
1276 if (xml->within_tag) {
1277 xml->within_tag = 0;
1280 if (section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS) {
1281 xml->indent_level++;
1283 if (parent_section && (parent_section->flags & SECTION_FLAG_IS_WRAPPER) &&
1284 wctx->level && wctx->nb_item[wctx->level-1])
1286 xml->indent_level++;
1288 if (section->flags & SECTION_FLAG_IS_ARRAY) {
1289 XML_INDENT(); printf("<%s>\n", section->name);
1291 XML_INDENT(); printf("<%s ", section->name);
1292 xml->within_tag = 1;
1297 static void xml_print_section_footer(WriterContext *wctx)
1299 XMLContext *xml = wctx->priv;
1300 const struct section *section = wctx->section[wctx->level];
1302 if (wctx->level == 0) {
1303 printf("</%sffprobe>\n", xml->fully_qualified ? "ffprobe:" : "");
1304 } else if (xml->within_tag) {
1305 xml->within_tag = 0;
1307 xml->indent_level--;
1308 } else if (section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS) {
1309 xml->indent_level--;
1311 XML_INDENT(); printf("</%s>\n", section->name);
1312 xml->indent_level--;
1316 static void xml_print_str(WriterContext *wctx, const char *key, const char *value)
1319 XMLContext *xml = wctx->priv;
1320 const struct section *section = wctx->section[wctx->level];
1322 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1324 if (section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS) {
1326 printf("<%s key=\"%s\"",
1327 section->element_name, xml_escape_str(&buf, key, wctx));
1328 av_bprint_clear(&buf);
1329 printf(" value=\"%s\"/>\n", xml_escape_str(&buf, value, wctx));
1331 if (wctx->nb_item[wctx->level])
1333 printf("%s=\"%s\"", key, xml_escape_str(&buf, value, wctx));
1336 av_bprint_finalize(&buf, NULL);
1339 static void xml_print_int(WriterContext *wctx, const char *key, long long int value)
1341 if (wctx->nb_item[wctx->level])
1343 printf("%s=\"%lld\"", key, value);
1346 static Writer xml_writer = {
1348 .priv_size = sizeof(XMLContext),
1350 .print_section_header = xml_print_section_header,
1351 .print_section_footer = xml_print_section_footer,
1352 .print_integer = xml_print_int,
1353 .print_string = xml_print_str,
1354 .flags = WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,
1355 .priv_class = &xml_class,
1358 static void writer_register_all(void)
1360 static int initialized;
1366 writer_register(&default_writer);
1367 writer_register(&compact_writer);
1368 writer_register(&csv_writer);
1369 writer_register(&flat_writer);
1370 writer_register(&ini_writer);
1371 writer_register(&json_writer);
1372 writer_register(&xml_writer);
1375 #define print_fmt(k, f, ...) do { \
1376 av_bprint_clear(&pbuf); \
1377 av_bprintf(&pbuf, f, __VA_ARGS__); \
1378 writer_print_string(w, k, pbuf.str, 0); \
1381 #define print_int(k, v) writer_print_integer(w, k, v)
1382 #define print_q(k, v, s) writer_print_rational(w, k, v, s)
1383 #define print_str(k, v) writer_print_string(w, k, v, 0)
1384 #define print_str_opt(k, v) writer_print_string(w, k, v, 1)
1385 #define print_time(k, v, tb) writer_print_time(w, k, v, tb, 0)
1386 #define print_ts(k, v) writer_print_ts(w, k, v, 0)
1387 #define print_duration_time(k, v, tb) writer_print_time(w, k, v, tb, 1)
1388 #define print_duration_ts(k, v) writer_print_ts(w, k, v, 1)
1389 #define print_val(k, v, u) do { \
1390 struct unit_value uv; \
1393 writer_print_string(w, k, value_string(val_str, sizeof(val_str), uv), 0); \
1396 #define print_section_header(s) writer_print_section_header(w, s)
1397 #define print_section_footer(s) writer_print_section_footer(w, s)
1399 static inline void show_tags(WriterContext *wctx, AVDictionary *tags, int section_id)
1401 AVDictionaryEntry *tag = NULL;
1405 writer_print_section_header(wctx, section_id);
1406 while ((tag = av_dict_get(tags, "", tag, AV_DICT_IGNORE_SUFFIX)))
1407 writer_print_string(wctx, tag->key, tag->value, 0);
1408 writer_print_section_footer(wctx);
1411 static void show_packet(WriterContext *w, AVFormatContext *fmt_ctx, AVPacket *pkt, int packet_idx)
1414 AVStream *st = fmt_ctx->streams[pkt->stream_index];
1418 av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
1420 writer_print_section_header(w, SECTION_ID_PACKET);
1422 s = av_get_media_type_string(st->codec->codec_type);
1423 if (s) print_str ("codec_type", s);
1424 else print_str_opt("codec_type", "unknown");
1425 print_int("stream_index", pkt->stream_index);
1426 print_ts ("pts", pkt->pts);
1427 print_time("pts_time", pkt->pts, &st->time_base);
1428 print_ts ("dts", pkt->dts);
1429 print_time("dts_time", pkt->dts, &st->time_base);
1430 print_duration_ts("duration", pkt->duration);
1431 print_duration_time("duration_time", pkt->duration, &st->time_base);
1432 print_duration_ts("convergence_duration", pkt->convergence_duration);
1433 print_duration_time("convergence_duration_time", pkt->convergence_duration, &st->time_base);
1434 print_val("size", pkt->size, unit_byte_str);
1435 if (pkt->pos != -1) print_fmt ("pos", "%"PRId64, pkt->pos);
1436 else print_str_opt("pos", "N/A");
1437 print_fmt("flags", "%c", pkt->flags & AV_PKT_FLAG_KEY ? 'K' : '_');
1439 writer_print_data(w, "data", pkt->data, pkt->size);
1440 writer_print_section_footer(w);
1442 av_bprint_finalize(&pbuf, NULL);
1446 static void show_frame(WriterContext *w, AVFrame *frame, AVStream *stream,
1447 AVFormatContext *fmt_ctx)
1452 av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
1454 writer_print_section_header(w, SECTION_ID_FRAME);
1456 s = av_get_media_type_string(stream->codec->codec_type);
1457 if (s) print_str ("media_type", s);
1458 else print_str_opt("media_type", "unknown");
1459 print_int("key_frame", frame->key_frame);
1460 print_ts ("pkt_pts", frame->pkt_pts);
1461 print_time("pkt_pts_time", frame->pkt_pts, &stream->time_base);
1462 print_ts ("pkt_dts", frame->pkt_dts);
1463 print_time("pkt_dts_time", frame->pkt_dts, &stream->time_base);
1464 print_duration_ts ("pkt_duration", frame->pkt_duration);
1465 print_duration_time("pkt_duration_time", frame->pkt_duration, &stream->time_base);
1466 if (frame->pkt_pos != -1) print_fmt ("pkt_pos", "%"PRId64, frame->pkt_pos);
1467 else print_str_opt("pkt_pos", "N/A");
1469 switch (stream->codec->codec_type) {
1472 case AVMEDIA_TYPE_VIDEO:
1473 print_int("width", frame->width);
1474 print_int("height", frame->height);
1475 s = av_get_pix_fmt_name(frame->format);
1476 if (s) print_str ("pix_fmt", s);
1477 else print_str_opt("pix_fmt", "unknown");
1478 sar = av_guess_sample_aspect_ratio(fmt_ctx, stream, frame);
1480 print_q("sample_aspect_ratio", sar, ':');
1482 print_str_opt("sample_aspect_ratio", "N/A");
1484 print_fmt("pict_type", "%c", av_get_picture_type_char(frame->pict_type));
1485 print_int("coded_picture_number", frame->coded_picture_number);
1486 print_int("display_picture_number", frame->display_picture_number);
1487 print_int("interlaced_frame", frame->interlaced_frame);
1488 print_int("top_field_first", frame->top_field_first);
1489 print_int("repeat_pict", frame->repeat_pict);
1490 print_int("reference", frame->reference);
1493 case AVMEDIA_TYPE_AUDIO:
1494 s = av_get_sample_fmt_name(frame->format);
1495 if (s) print_str ("sample_fmt", s);
1496 else print_str_opt("sample_fmt", "unknown");
1497 print_int("nb_samples", frame->nb_samples);
1498 print_int("channels", av_frame_get_channels(frame));
1499 if (av_frame_get_channel_layout(frame)) {
1500 av_bprint_clear(&pbuf);
1501 av_bprint_channel_layout(&pbuf, av_frame_get_channels(frame),
1502 av_frame_get_channel_layout(frame));
1503 print_str ("channel_layout", pbuf.str);
1505 print_str_opt("channel_layout", "unknown");
1508 show_tags(w, av_frame_get_metadata(frame), SECTION_ID_FRAME_TAGS);
1510 writer_print_section_footer(w);
1512 av_bprint_finalize(&pbuf, NULL);
1516 static av_always_inline int process_frame(WriterContext *w,
1517 AVFormatContext *fmt_ctx,
1518 AVFrame *frame, AVPacket *pkt)
1520 AVCodecContext *dec_ctx = fmt_ctx->streams[pkt->stream_index]->codec;
1521 int ret = 0, got_frame = 0;
1523 avcodec_get_frame_defaults(frame);
1524 if (dec_ctx->codec) {
1525 switch (dec_ctx->codec_type) {
1526 case AVMEDIA_TYPE_VIDEO:
1527 ret = avcodec_decode_video2(dec_ctx, frame, &got_frame, pkt);
1530 case AVMEDIA_TYPE_AUDIO:
1531 ret = avcodec_decode_audio4(dec_ctx, frame, &got_frame, pkt);
1538 ret = FFMIN(ret, pkt->size); /* guard against bogus return values */
1542 nb_streams_frames[pkt->stream_index]++;
1544 show_frame(w, frame, fmt_ctx->streams[pkt->stream_index], fmt_ctx);
1549 static void read_packets(WriterContext *w, AVFormatContext *fmt_ctx)
1555 av_init_packet(&pkt);
1557 while (!av_read_frame(fmt_ctx, &pkt)) {
1558 if (selected_streams[pkt.stream_index]) {
1559 if (do_read_packets) {
1560 if (do_show_packets)
1561 show_packet(w, fmt_ctx, &pkt, i++);
1562 nb_streams_packets[pkt.stream_index]++;
1564 if (do_read_frames) {
1566 while (pkt1.size && process_frame(w, fmt_ctx, &frame, &pkt1) > 0);
1569 av_free_packet(&pkt);
1571 av_init_packet(&pkt);
1574 //Flush remaining frames that are cached in the decoder
1575 for (i = 0; i < fmt_ctx->nb_streams; i++) {
1576 pkt.stream_index = i;
1578 while (process_frame(w, fmt_ctx, &frame, &pkt) > 0);
1582 static void show_stream(WriterContext *w, AVFormatContext *fmt_ctx, int stream_idx)
1584 AVStream *stream = fmt_ctx->streams[stream_idx];
1585 AVCodecContext *dec_ctx;
1589 AVRational sar, dar;
1592 av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
1594 writer_print_section_header(w, SECTION_ID_STREAM);
1596 print_int("index", stream->index);
1598 if ((dec_ctx = stream->codec)) {
1599 const char *profile = NULL;
1600 dec = dec_ctx->codec;
1602 print_str("codec_name", dec->name);
1604 if (dec->long_name) print_str ("codec_long_name", dec->long_name);
1605 else print_str_opt("codec_long_name", "unknown");
1608 print_str_opt("codec_name", "unknown");
1610 print_str_opt("codec_long_name", "unknown");
1614 if (dec && (profile = av_get_profile_name(dec, dec_ctx->profile)))
1615 print_str("profile", profile);
1617 print_str_opt("profile", "unknown");
1619 s = av_get_media_type_string(dec_ctx->codec_type);
1620 if (s) print_str ("codec_type", s);
1621 else print_str_opt("codec_type", "unknown");
1622 print_q("codec_time_base", dec_ctx->time_base, '/');
1624 /* print AVI/FourCC tag */
1625 av_get_codec_tag_string(val_str, sizeof(val_str), dec_ctx->codec_tag);
1626 print_str("codec_tag_string", val_str);
1627 print_fmt("codec_tag", "0x%04x", dec_ctx->codec_tag);
1629 switch (dec_ctx->codec_type) {
1630 case AVMEDIA_TYPE_VIDEO:
1631 print_int("width", dec_ctx->width);
1632 print_int("height", dec_ctx->height);
1633 print_int("has_b_frames", dec_ctx->has_b_frames);
1634 sar = av_guess_sample_aspect_ratio(fmt_ctx, stream, NULL);
1636 print_q("sample_aspect_ratio", sar, ':');
1637 av_reduce(&dar.num, &dar.den,
1638 dec_ctx->width * sar.num,
1639 dec_ctx->height * sar.den,
1641 print_q("display_aspect_ratio", dar, ':');
1643 print_str_opt("sample_aspect_ratio", "N/A");
1644 print_str_opt("display_aspect_ratio", "N/A");
1646 s = av_get_pix_fmt_name(dec_ctx->pix_fmt);
1647 if (s) print_str ("pix_fmt", s);
1648 else print_str_opt("pix_fmt", "unknown");
1649 print_int("level", dec_ctx->level);
1650 if (dec_ctx->timecode_frame_start >= 0) {
1651 char tcbuf[AV_TIMECODE_STR_SIZE];
1652 av_timecode_make_mpeg_tc_string(tcbuf, dec_ctx->timecode_frame_start);
1653 print_str("timecode", tcbuf);
1655 print_str_opt("timecode", "N/A");
1659 case AVMEDIA_TYPE_AUDIO:
1660 s = av_get_sample_fmt_name(dec_ctx->sample_fmt);
1661 if (s) print_str ("sample_fmt", s);
1662 else print_str_opt("sample_fmt", "unknown");
1663 print_val("sample_rate", dec_ctx->sample_rate, unit_hertz_str);
1664 print_int("channels", dec_ctx->channels);
1665 print_int("bits_per_sample", av_get_bits_per_sample(dec_ctx->codec_id));
1669 print_str_opt("codec_type", "unknown");
1671 if (dec_ctx->codec && dec_ctx->codec->priv_class && show_private_data) {
1672 const AVOption *opt = NULL;
1673 while (opt = av_opt_next(dec_ctx->priv_data,opt)) {
1675 if (opt->flags) continue;
1676 if (av_opt_get(dec_ctx->priv_data, opt->name, 0, &str) >= 0) {
1677 print_str(opt->name, str);
1683 if (fmt_ctx->iformat->flags & AVFMT_SHOW_IDS) print_fmt ("id", "0x%x", stream->id);
1684 else print_str_opt("id", "N/A");
1685 print_q("r_frame_rate", stream->r_frame_rate, '/');
1686 print_q("avg_frame_rate", stream->avg_frame_rate, '/');
1687 print_q("time_base", stream->time_base, '/');
1688 print_ts ("start_pts", stream->start_time);
1689 print_time("start_time", stream->start_time, &stream->time_base);
1690 print_ts ("duration_ts", stream->duration);
1691 print_time("duration", stream->duration, &stream->time_base);
1692 if (dec_ctx->bit_rate > 0) print_val ("bit_rate", dec_ctx->bit_rate, unit_bit_per_second_str);
1693 else print_str_opt("bit_rate", "N/A");
1694 if (stream->nb_frames) print_fmt ("nb_frames", "%"PRId64, stream->nb_frames);
1695 else print_str_opt("nb_frames", "N/A");
1696 if (nb_streams_frames[stream_idx]) print_fmt ("nb_read_frames", "%"PRIu64, nb_streams_frames[stream_idx]);
1697 else print_str_opt("nb_read_frames", "N/A");
1698 if (nb_streams_packets[stream_idx]) print_fmt ("nb_read_packets", "%"PRIu64, nb_streams_packets[stream_idx]);
1699 else print_str_opt("nb_read_packets", "N/A");
1701 writer_print_data(w, "extradata", dec_ctx->extradata,
1702 dec_ctx->extradata_size);
1704 /* Print disposition information */
1705 #define PRINT_DISPOSITION(flagname, name) do { \
1706 print_int(name, !!(stream->disposition & AV_DISPOSITION_##flagname)); \
1709 writer_print_section_header(w, SECTION_ID_STREAM_DISPOSITION);
1710 PRINT_DISPOSITION(DEFAULT, "default");
1711 PRINT_DISPOSITION(DUB, "dub");
1712 PRINT_DISPOSITION(ORIGINAL, "original");
1713 PRINT_DISPOSITION(COMMENT, "comment");
1714 PRINT_DISPOSITION(LYRICS, "lyrics");
1715 PRINT_DISPOSITION(KARAOKE, "karaoke");
1716 PRINT_DISPOSITION(FORCED, "forced");
1717 PRINT_DISPOSITION(HEARING_IMPAIRED, "hearing_impaired");
1718 PRINT_DISPOSITION(VISUAL_IMPAIRED, "visual_impaired");
1719 PRINT_DISPOSITION(CLEAN_EFFECTS, "clean_effects");
1720 PRINT_DISPOSITION(ATTACHED_PIC, "attached_pic");
1721 writer_print_section_footer(w);
1723 show_tags(w, stream->metadata, SECTION_ID_STREAM_TAGS);
1725 writer_print_section_footer(w);
1726 av_bprint_finalize(&pbuf, NULL);
1730 static void show_streams(WriterContext *w, AVFormatContext *fmt_ctx)
1733 writer_print_section_header(w, SECTION_ID_STREAMS);
1734 for (i = 0; i < fmt_ctx->nb_streams; i++)
1735 if (selected_streams[i])
1736 show_stream(w, fmt_ctx, i);
1737 writer_print_section_footer(w);
1740 static void show_format(WriterContext *w, AVFormatContext *fmt_ctx)
1743 int64_t size = fmt_ctx->pb ? avio_size(fmt_ctx->pb) : -1;
1745 writer_print_section_header(w, SECTION_ID_FORMAT);
1746 print_str("filename", fmt_ctx->filename);
1747 print_int("nb_streams", fmt_ctx->nb_streams);
1748 print_str("format_name", fmt_ctx->iformat->name);
1750 if (fmt_ctx->iformat->long_name) print_str ("format_long_name", fmt_ctx->iformat->long_name);
1751 else print_str_opt("format_long_name", "unknown");
1753 print_time("start_time", fmt_ctx->start_time, &AV_TIME_BASE_Q);
1754 print_time("duration", fmt_ctx->duration, &AV_TIME_BASE_Q);
1755 if (size >= 0) print_val ("size", size, unit_byte_str);
1756 else print_str_opt("size", "N/A");
1757 if (fmt_ctx->bit_rate > 0) print_val ("bit_rate", fmt_ctx->bit_rate, unit_bit_per_second_str);
1758 else print_str_opt("bit_rate", "N/A");
1759 show_tags(w, fmt_ctx->metadata, SECTION_ID_FORMAT_TAGS);
1761 writer_print_section_footer(w);
1765 static void show_error(WriterContext *w, int err)
1768 const char *errbuf_ptr = errbuf;
1770 if (av_strerror(err, errbuf, sizeof(errbuf)) < 0)
1771 errbuf_ptr = strerror(AVUNERROR(err));
1773 writer_print_section_header(w, SECTION_ID_ERROR);
1774 print_int("code", err);
1775 print_str("string", errbuf_ptr);
1776 writer_print_section_footer(w);
1779 static int open_input_file(AVFormatContext **fmt_ctx_ptr, const char *filename)
1782 AVFormatContext *fmt_ctx = NULL;
1783 AVDictionaryEntry *t;
1785 if ((err = avformat_open_input(&fmt_ctx, filename,
1786 iformat, &format_opts)) < 0) {
1787 print_error(filename, err);
1790 if ((t = av_dict_get(format_opts, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
1791 av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
1792 return AVERROR_OPTION_NOT_FOUND;
1796 /* fill the streams in the format context */
1797 if ((err = avformat_find_stream_info(fmt_ctx, NULL)) < 0) {
1798 print_error(filename, err);
1802 av_dump_format(fmt_ctx, 0, filename, 0);
1804 /* bind a decoder to each input stream */
1805 for (i = 0; i < fmt_ctx->nb_streams; i++) {
1806 AVStream *stream = fmt_ctx->streams[i];
1809 if (stream->codec->codec_id == AV_CODEC_ID_PROBE) {
1810 av_log(NULL, AV_LOG_ERROR,
1811 "Failed to probe codec for input stream %d\n",
1813 } else if (!(codec = avcodec_find_decoder(stream->codec->codec_id))) {
1814 av_log(NULL, AV_LOG_ERROR,
1815 "Unsupported codec with id %d for input stream %d\n",
1816 stream->codec->codec_id, stream->index);
1817 } else if (avcodec_open2(stream->codec, codec, NULL) < 0) {
1818 av_log(NULL, AV_LOG_ERROR, "Error while opening codec for input stream %d\n",
1823 *fmt_ctx_ptr = fmt_ctx;
1827 static void close_input_file(AVFormatContext **ctx_ptr)
1830 AVFormatContext *fmt_ctx = *ctx_ptr;
1832 /* close decoder for each stream */
1833 for (i = 0; i < fmt_ctx->nb_streams; i++)
1834 if (fmt_ctx->streams[i]->codec->codec_id != AV_CODEC_ID_NONE)
1835 avcodec_close(fmt_ctx->streams[i]->codec);
1837 avformat_close_input(ctx_ptr);
1840 static int probe_file(WriterContext *wctx, const char *filename)
1842 AVFormatContext *fmt_ctx;
1846 do_read_frames = do_show_frames || do_count_frames;
1847 do_read_packets = do_show_packets || do_count_packets;
1849 ret = open_input_file(&fmt_ctx, filename);
1851 nb_streams_frames = av_calloc(fmt_ctx->nb_streams, sizeof(*nb_streams_frames));
1852 nb_streams_packets = av_calloc(fmt_ctx->nb_streams, sizeof(*nb_streams_packets));
1853 selected_streams = av_calloc(fmt_ctx->nb_streams, sizeof(*selected_streams));
1855 for (i = 0; i < fmt_ctx->nb_streams; i++) {
1856 if (stream_specifier) {
1857 ret = avformat_match_stream_specifier(fmt_ctx,
1858 fmt_ctx->streams[i],
1863 selected_streams[i] = ret;
1865 selected_streams[i] = 1;
1869 if (do_read_frames || do_read_packets) {
1870 if (do_show_frames && do_show_packets &&
1871 wctx->writer->flags & WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER)
1872 section_id = SECTION_ID_PACKETS_AND_FRAMES;
1873 else if (do_show_packets && !do_show_frames)
1874 section_id = SECTION_ID_PACKETS;
1875 else // (!do_show_packets && do_show_frames)
1876 section_id = SECTION_ID_FRAMES;
1877 if (do_show_frames || do_show_packets)
1878 writer_print_section_header(wctx, section_id);
1879 read_packets(wctx, fmt_ctx);
1880 if (do_show_frames || do_show_packets)
1881 writer_print_section_footer(wctx);
1883 if (do_show_streams)
1884 show_streams(wctx, fmt_ctx);
1886 show_format(wctx, fmt_ctx);
1889 close_input_file(&fmt_ctx);
1890 av_freep(&nb_streams_frames);
1891 av_freep(&nb_streams_packets);
1892 av_freep(&selected_streams);
1897 static void show_usage(void)
1899 av_log(NULL, AV_LOG_INFO, "Simple multimedia streams analyzer\n");
1900 av_log(NULL, AV_LOG_INFO, "usage: %s [OPTIONS] [INPUT_FILE]\n", program_name);
1901 av_log(NULL, AV_LOG_INFO, "\n");
1904 static void ffprobe_show_program_version(WriterContext *w)
1907 av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
1909 writer_print_section_header(w, SECTION_ID_PROGRAM_VERSION);
1910 print_str("version", FFMPEG_VERSION);
1911 print_fmt("copyright", "Copyright (c) %d-%d the FFmpeg developers",
1912 program_birth_year, this_year);
1913 print_str("build_date", __DATE__);
1914 print_str("build_time", __TIME__);
1915 print_str("compiler_ident", CC_IDENT);
1916 print_str("configuration", FFMPEG_CONFIGURATION);
1917 writer_print_section_footer(w);
1919 av_bprint_finalize(&pbuf, NULL);
1922 #define SHOW_LIB_VERSION(libname, LIBNAME) \
1924 if (CONFIG_##LIBNAME) { \
1925 unsigned int version = libname##_version(); \
1926 writer_print_section_header(w, SECTION_ID_LIBRARY_VERSION); \
1927 print_str("name", "lib" #libname); \
1928 print_int("major", LIB##LIBNAME##_VERSION_MAJOR); \
1929 print_int("minor", LIB##LIBNAME##_VERSION_MINOR); \
1930 print_int("micro", LIB##LIBNAME##_VERSION_MICRO); \
1931 print_int("version", version); \
1932 print_str("ident", LIB##LIBNAME##_IDENT); \
1933 writer_print_section_footer(w); \
1937 static void ffprobe_show_library_versions(WriterContext *w)
1939 writer_print_section_header(w, SECTION_ID_LIBRARY_VERSIONS);
1940 SHOW_LIB_VERSION(avutil, AVUTIL);
1941 SHOW_LIB_VERSION(avcodec, AVCODEC);
1942 SHOW_LIB_VERSION(avformat, AVFORMAT);
1943 SHOW_LIB_VERSION(avdevice, AVDEVICE);
1944 SHOW_LIB_VERSION(avfilter, AVFILTER);
1945 SHOW_LIB_VERSION(swscale, SWSCALE);
1946 SHOW_LIB_VERSION(swresample, SWRESAMPLE);
1947 SHOW_LIB_VERSION(postproc, POSTPROC);
1948 writer_print_section_footer(w);
1951 static int opt_format(void *optctx, const char *opt, const char *arg)
1953 iformat = av_find_input_format(arg);
1955 av_log(NULL, AV_LOG_ERROR, "Unknown input format: %s\n", arg);
1956 return AVERROR(EINVAL);
1961 static int opt_show_format_entry(void *optctx, const char *opt, const char *arg)
1964 av_dict_set(&fmt_entries_to_show, arg, "", 0);
1968 static void opt_input_file(void *optctx, const char *arg)
1970 if (input_filename) {
1971 av_log(NULL, AV_LOG_ERROR,
1972 "Argument '%s' provided as input filename, but '%s' was already specified.\n",
1973 arg, input_filename);
1976 if (!strcmp(arg, "-"))
1978 input_filename = arg;
1981 static int opt_input_file_i(void *optctx, const char *opt, const char *arg)
1983 opt_input_file(optctx, arg);
1987 void show_help_default(const char *opt, const char *arg)
1989 av_log_set_callback(log_callback_help);
1991 show_help_options(options, "Main options:", 0, 0, 0);
1994 show_help_children(avformat_get_class(), AV_OPT_FLAG_DECODING_PARAM);
1997 static int opt_pretty(void *optctx, const char *opt, const char *arg)
1999 show_value_unit = 1;
2000 use_value_prefix = 1;
2001 use_byte_value_binary_prefix = 1;
2002 use_value_sexagesimal_format = 1;
2006 static int opt_show_versions(const char *opt, const char *arg)
2008 do_show_program_version = 1;
2009 do_show_library_versions = 1;
2013 static const OptionDef real_options[] = {
2014 #include "cmdutils_common_opts.h"
2015 { "f", HAS_ARG, {.func_arg = opt_format}, "force format", "format" },
2016 { "unit", OPT_BOOL, {&show_value_unit}, "show unit of the displayed values" },
2017 { "prefix", OPT_BOOL, {&use_value_prefix}, "use SI prefixes for the displayed values" },
2018 { "byte_binary_prefix", OPT_BOOL, {&use_byte_value_binary_prefix},
2019 "use binary prefixes for byte units" },
2020 { "sexagesimal", OPT_BOOL, {&use_value_sexagesimal_format},
2021 "use sexagesimal format HOURS:MM:SS.MICROSECONDS for time units" },
2022 { "pretty", 0, {.func_arg = opt_pretty},
2023 "prettify the format of displayed values, make it more human readable" },
2024 { "print_format", OPT_STRING | HAS_ARG, {(void*)&print_format},
2025 "set the output printing format (available formats are: default, compact, csv, flat, ini, json, xml)", "format" },
2026 { "of", OPT_STRING | HAS_ARG, {(void*)&print_format}, "alias for -print_format", "format" },
2027 { "select_streams", OPT_STRING | HAS_ARG, {(void*)&stream_specifier}, "select the specified streams", "stream_specifier" },
2028 { "show_data", OPT_BOOL, {(void*)&do_show_data}, "show packets data" },
2029 { "show_error", OPT_BOOL, {(void*)&do_show_error} , "show probing error" },
2030 { "show_format", OPT_BOOL, {&do_show_format} , "show format/container info" },
2031 { "show_frames", OPT_BOOL, {(void*)&do_show_frames} , "show frames info" },
2032 { "show_format_entry", HAS_ARG, {.func_arg = opt_show_format_entry},
2033 "show a particular entry from the format/container info", "entry" },
2034 { "show_packets", OPT_BOOL, {&do_show_packets}, "show packets info" },
2035 { "show_streams", OPT_BOOL, {&do_show_streams}, "show streams info" },
2036 { "count_frames", OPT_BOOL, {(void*)&do_count_frames}, "count the number of frames per stream" },
2037 { "count_packets", OPT_BOOL, {(void*)&do_count_packets}, "count the number of packets per stream" },
2038 { "show_program_version", OPT_BOOL, {(void*)&do_show_program_version}, "show ffprobe version" },
2039 { "show_library_versions", OPT_BOOL, {(void*)&do_show_library_versions}, "show library versions" },
2040 { "show_versions", 0, {(void*)&opt_show_versions}, "show program and library versions" },
2041 { "show_private_data", OPT_BOOL, {(void*)&show_private_data}, "show private data" },
2042 { "private", OPT_BOOL, {(void*)&show_private_data}, "same as show_private_data" },
2043 { "bitexact", OPT_BOOL, {&do_bitexact}, "force bitexact output" },
2044 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {.func_arg = opt_default}, "generic catch all option", "" },
2045 { "i", HAS_ARG, {.func_arg = opt_input_file_i}, "read specified file", "input_file"},
2049 int main(int argc, char **argv)
2052 WriterContext *wctx;
2054 char *w_name = NULL, *w_args = NULL;
2057 av_log_set_flags(AV_LOG_SKIP_REPEATED);
2058 atexit(exit_program);
2060 options = real_options;
2061 parse_loglevel(argc, argv, options);
2063 avformat_network_init();
2066 avdevice_register_all();
2069 show_banner(argc, argv, options);
2070 parse_options(NULL, argc, argv, options, opt_input_file);
2072 if (do_bitexact && (do_show_program_version || do_show_library_versions)) {
2073 av_log(NULL, AV_LOG_ERROR,
2074 "-bitexact and -show_program_version or -show_library_versions "
2075 "options are incompatible\n");
2076 ret = AVERROR(EINVAL);
2080 writer_register_all();
2083 print_format = av_strdup("default");
2084 if (!print_format) {
2085 ret = AVERROR(ENOMEM);
2088 w_name = av_strtok(print_format, "=", &buf);
2091 w = writer_get_by_name(w_name);
2093 av_log(NULL, AV_LOG_ERROR, "Unknown output format with name '%s'\n", w_name);
2094 ret = AVERROR(EINVAL);
2098 if ((ret = writer_open(&wctx, w, w_args,
2099 sections, FF_ARRAY_ELEMS(sections))) >= 0) {
2100 writer_print_section_header(wctx, SECTION_ID_ROOT);
2102 if (do_show_program_version)
2103 ffprobe_show_program_version(wctx);
2104 if (do_show_library_versions)
2105 ffprobe_show_library_versions(wctx);
2107 if (!input_filename &&
2108 ((do_show_format || do_show_streams || do_show_packets || do_show_error) ||
2109 (!do_show_program_version && !do_show_library_versions))) {
2111 av_log(NULL, AV_LOG_ERROR, "You have to specify one input file.\n");
2112 av_log(NULL, AV_LOG_ERROR, "Use -h to get full help or, even better, run 'man %s'.\n", program_name);
2113 ret = AVERROR(EINVAL);
2114 } else if (input_filename) {
2115 ret = probe_file(wctx, input_filename);
2116 if (ret < 0 && do_show_error)
2117 show_error(wctx, ret);
2120 writer_print_section_footer(wctx);
2121 writer_close(&wctx);
2125 av_freep(&print_format);
2128 av_dict_free(&fmt_entries_to_show);
2130 avformat_network_deinit();