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;
73 /* section structure definition */
76 int id; ///< unique id indentifying a section
79 #define SECTION_FLAG_IS_WRAPPER 1 ///< the section only contains other sections, but has no data at its own level
80 #define SECTION_FLAG_IS_ARRAY 2 ///< the section contains an array of elements of the same type
81 #define SECTION_FLAG_HAS_VARIABLE_FIELDS 4 ///< the section may contain a variable number of fields with variable keys.
82 /// For these sections the element_name field is mandatory.
84 const char *element_name; ///< name of the contained element, if provided
91 SECTION_ID_FORMAT_TAGS,
94 SECTION_ID_FRAME_TAGS,
95 SECTION_ID_LIBRARY_VERSION,
96 SECTION_ID_LIBRARY_VERSIONS,
99 SECTION_ID_PACKETS_AND_FRAMES,
100 SECTION_ID_PROGRAM_VERSION,
103 SECTION_ID_STREAM_DISPOSITION,
105 SECTION_ID_STREAM_TAGS
108 static const struct section sections[] = {
109 [SECTION_ID_ERROR] = { SECTION_ID_ERROR, "error" },
110 [SECTION_ID_FORMAT] = { SECTION_ID_FORMAT, "format" },
111 [SECTION_ID_FORMAT_TAGS] = { SECTION_ID_FORMAT_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, .element_name = "tag" },
112 [SECTION_ID_FRAME] = { SECTION_ID_FRAME, "frame" },
113 [SECTION_ID_FRAMES] = { SECTION_ID_FRAMES, "frames", SECTION_FLAG_IS_ARRAY },
114 [SECTION_ID_FRAME_TAGS] = { SECTION_ID_FRAME_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, .element_name = "tag" },
115 [SECTION_ID_LIBRARY_VERSION] = { SECTION_ID_LIBRARY_VERSION, "library_version" },
116 [SECTION_ID_LIBRARY_VERSIONS] = { SECTION_ID_LIBRARY_VERSIONS, "library_versions", SECTION_FLAG_IS_ARRAY },
117 [SECTION_ID_PACKET] = { SECTION_ID_PACKET, "packet" },
118 [SECTION_ID_PACKETS] = { SECTION_ID_PACKETS, "packets", SECTION_FLAG_IS_ARRAY },
119 [SECTION_ID_PACKETS_AND_FRAMES] = { SECTION_ID_PACKETS_AND_FRAMES, "packets_and_frames", SECTION_FLAG_IS_ARRAY },
120 [SECTION_ID_PROGRAM_VERSION] = { SECTION_ID_PROGRAM_VERSION, "program_version" },
121 [SECTION_ID_ROOT] = { SECTION_ID_ROOT, "root", SECTION_FLAG_IS_WRAPPER },
122 [SECTION_ID_STREAM] = { SECTION_ID_STREAM, "stream" },
123 [SECTION_ID_STREAM_DISPOSITION] = { SECTION_ID_STREAM_DISPOSITION, "disposition" },
124 [SECTION_ID_STREAMS] = { SECTION_ID_STREAMS, "streams", SECTION_FLAG_IS_ARRAY },
125 [SECTION_ID_STREAM_TAGS] = { SECTION_ID_STREAM_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, .element_name = "tag" },
128 static const OptionDef *options;
130 /* FFprobe context */
131 static const char *input_filename;
132 static AVInputFormat *iformat = NULL;
134 static const char *const binary_unit_prefixes [] = { "", "Ki", "Mi", "Gi", "Ti", "Pi" };
135 static const char *const decimal_unit_prefixes[] = { "", "K" , "M" , "G" , "T" , "P" };
137 static const char unit_second_str[] = "s" ;
138 static const char unit_hertz_str[] = "Hz" ;
139 static const char unit_byte_str[] = "byte" ;
140 static const char unit_bit_per_second_str[] = "bit/s";
141 static uint64_t *nb_streams_packets;
142 static uint64_t *nb_streams_frames;
144 static void exit_program(void)
146 av_dict_free(&fmt_entries_to_show);
150 union { double d; long long int i; } val;
154 static char *value_string(char *buf, int buf_size, struct unit_value uv)
160 if (uv.unit == unit_second_str) {
164 vald = vali = uv.val.i;
167 if (uv.unit == unit_second_str && use_value_sexagesimal_format) {
171 mins = (int)secs / 60;
172 secs = secs - mins * 60;
175 snprintf(buf, buf_size, "%d:%02d:%09.6f", hours, mins, secs);
177 const char *prefix_string = "";
179 if (use_value_prefix && vald > 1) {
182 if (uv.unit == unit_byte_str && use_byte_value_binary_prefix) {
183 index = (long long int) (log2(vald)) / 10;
184 index = av_clip(index, 0, FF_ARRAY_ELEMS(binary_unit_prefixes) - 1);
185 vald /= exp2(index * 10);
186 prefix_string = binary_unit_prefixes[index];
188 index = (long long int) (log10(vald)) / 3;
189 index = av_clip(index, 0, FF_ARRAY_ELEMS(decimal_unit_prefixes) - 1);
190 vald /= pow(10, index * 3);
191 prefix_string = decimal_unit_prefixes[index];
195 if (show_float || (use_value_prefix && vald != (long long int)vald))
196 snprintf(buf, buf_size, "%f", vald);
198 snprintf(buf, buf_size, "%lld", vali);
199 av_strlcatf(buf, buf_size, "%s%s%s", *prefix_string || show_value_unit ? " " : "",
200 prefix_string, show_value_unit ? uv.unit : "");
208 typedef struct WriterContext WriterContext;
210 #define WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS 1
211 #define WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER 2
213 typedef struct Writer {
214 const AVClass *priv_class; ///< private class of the writer, if any
215 int priv_size; ///< private size for the writer context
218 int (*init) (WriterContext *wctx);
219 void (*uninit)(WriterContext *wctx);
221 void (*print_section_header)(WriterContext *wctx);
222 void (*print_section_footer)(WriterContext *wctx);
223 void (*print_integer) (WriterContext *wctx, const char *, long long int);
224 void (*print_rational) (WriterContext *wctx, AVRational *q, char *sep);
225 void (*print_string) (WriterContext *wctx, const char *, const char *);
226 int flags; ///< a combination or WRITER_FLAG_*
229 #define SECTION_MAX_NB_LEVELS 10
231 struct WriterContext {
232 const AVClass *class; ///< class of the writer
233 const Writer *writer; ///< the Writer of which this is an instance
234 char *name; ///< name of this writer instance
235 void *priv; ///< private data for use by the filter
237 const struct section *sections; ///< array containing all sections
238 int nb_sections; ///< number of sections
240 int level; ///< current level, starting from 0
242 /** number of the item printed in the given section, starting from 0 */
243 unsigned int nb_item[SECTION_MAX_NB_LEVELS];
245 /** section per each level */
246 const struct section *section[SECTION_MAX_NB_LEVELS];
248 unsigned int nb_section_packet; ///< number of the packet section in case we are in "packets_and_frames" section
249 unsigned int nb_section_frame; ///< number of the frame section in case we are in "packets_and_frames" section
250 unsigned int nb_section_packet_frame; ///< nb_section_packet or nb_section_frame according if is_packets_and_frames
253 static const char *writer_get_name(void *p)
255 WriterContext *wctx = p;
256 return wctx->writer->name;
259 static const AVClass writer_class = {
263 LIBAVUTIL_VERSION_INT,
266 static void writer_close(WriterContext **wctx)
271 if ((*wctx)->writer->uninit)
272 (*wctx)->writer->uninit(*wctx);
273 if ((*wctx)->writer->priv_class)
274 av_opt_free((*wctx)->priv);
275 av_freep(&((*wctx)->priv));
279 static int writer_open(WriterContext **wctx, const Writer *writer, const char *args,
280 const struct section *sections, int nb_sections)
284 if (!(*wctx = av_malloc(sizeof(WriterContext)))) {
285 ret = AVERROR(ENOMEM);
289 if (!((*wctx)->priv = av_mallocz(writer->priv_size))) {
290 ret = AVERROR(ENOMEM);
294 (*wctx)->class = &writer_class;
295 (*wctx)->writer = writer;
297 (*wctx)->sections = sections;
298 (*wctx)->nb_sections = nb_sections;
300 if (writer->priv_class) {
301 void *priv_ctx = (*wctx)->priv;
302 *((const AVClass **)priv_ctx) = writer->priv_class;
303 av_opt_set_defaults(priv_ctx);
306 (ret = av_set_options_string(priv_ctx, args, "=", ":")) < 0)
309 if ((*wctx)->writer->init)
310 ret = (*wctx)->writer->init(*wctx);
321 static inline void writer_print_section_header(WriterContext *wctx,
324 int parent_section_id;
326 av_assert0(wctx->level < SECTION_MAX_NB_LEVELS);
327 parent_section_id = wctx->level ?
328 (wctx->section[wctx->level-1])->id : SECTION_ID_NONE;
330 wctx->nb_item[wctx->level] = 0;
331 wctx->section[wctx->level] = &wctx->sections[section_id];
333 if (section_id == SECTION_ID_PACKETS_AND_FRAMES) {
334 wctx->nb_section_packet = wctx->nb_section_frame =
335 wctx->nb_section_packet_frame = 0;
336 } else if (parent_section_id == SECTION_ID_PACKETS_AND_FRAMES) {
337 wctx->nb_section_packet_frame = section_id == SECTION_ID_PACKET ?
338 wctx->nb_section_packet : wctx->nb_section_frame;
341 if (wctx->writer->print_section_header)
342 wctx->writer->print_section_header(wctx);
345 static inline void writer_print_section_footer(WriterContext *wctx)
347 int section_id = wctx->section[wctx->level]->id;
348 int parent_section_id = wctx->level ?
349 wctx->section[wctx->level-1]->id : SECTION_ID_NONE;
351 if (parent_section_id != SECTION_ID_NONE)
352 wctx->nb_item[wctx->level-1]++;
353 if (parent_section_id == SECTION_ID_PACKETS_AND_FRAMES) {
354 if (section_id == SECTION_ID_PACKET) wctx->nb_section_packet++;
355 else wctx->nb_section_frame++;
357 if (wctx->writer->print_section_footer)
358 wctx->writer->print_section_footer(wctx);
362 static inline void writer_print_integer(WriterContext *wctx,
363 const char *key, long long int val)
365 if ((wctx->section[wctx->level]->id != SECTION_ID_FORMAT
366 && wctx->section[wctx->level]->id != SECTION_ID_FORMAT_TAGS) ||
367 !fmt_entries_to_show || av_dict_get(fmt_entries_to_show, key, NULL, 0)) {
368 wctx->writer->print_integer(wctx, key, val);
369 wctx->nb_item[wctx->level]++;
373 static inline void writer_print_string(WriterContext *wctx,
374 const char *key, const char *val, int opt)
376 if (opt && !(wctx->writer->flags & WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS))
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_string(wctx, key, val);
382 wctx->nb_item[wctx->level]++;
386 static inline void writer_print_rational(WriterContext *wctx,
387 const char *key, AVRational q, char sep)
390 av_bprint_init(&buf, 0, AV_BPRINT_SIZE_AUTOMATIC);
391 av_bprintf(&buf, "%d%c%d", q.num, sep, q.den);
392 writer_print_string(wctx, key, buf.str, 0);
395 static void writer_print_time(WriterContext *wctx, const char *key,
396 int64_t ts, const AVRational *time_base, int is_duration)
400 if ((!is_duration && ts == AV_NOPTS_VALUE) || (is_duration && ts == 0)) {
401 writer_print_string(wctx, key, "N/A", 1);
403 double d = ts * av_q2d(*time_base);
404 struct unit_value uv;
406 uv.unit = unit_second_str;
407 value_string(buf, sizeof(buf), uv);
408 writer_print_string(wctx, key, buf, 0);
412 static void writer_print_ts(WriterContext *wctx, const char *key, int64_t ts, int is_duration)
414 if ((!is_duration && ts == AV_NOPTS_VALUE) || (is_duration && ts == 0)) {
415 writer_print_string(wctx, key, "N/A", 1);
417 writer_print_integer(wctx, key, ts);
421 static void writer_print_data(WriterContext *wctx, const char *name,
422 uint8_t *data, int size)
425 int offset = 0, l, i;
427 av_bprint_init(&bp, 0, AV_BPRINT_SIZE_UNLIMITED);
428 av_bprintf(&bp, "\n");
430 av_bprintf(&bp, "%08x: ", offset);
432 for (i = 0; i < l; i++) {
433 av_bprintf(&bp, "%02x", data[i]);
435 av_bprintf(&bp, " ");
437 av_bprint_chars(&bp, ' ', 41 - 2 * i - i / 2);
438 for (i = 0; i < l; i++)
439 av_bprint_chars(&bp, data[i] - 32U < 95 ? data[i] : '.', 1);
440 av_bprintf(&bp, "\n");
445 writer_print_string(wctx, name, bp.str, 0);
446 av_bprint_finalize(&bp, NULL);
449 #define MAX_REGISTERED_WRITERS_NB 64
451 static const Writer *registered_writers[MAX_REGISTERED_WRITERS_NB + 1];
453 static int writer_register(const Writer *writer)
455 static int next_registered_writer_idx = 0;
457 if (next_registered_writer_idx == MAX_REGISTERED_WRITERS_NB)
458 return AVERROR(ENOMEM);
460 registered_writers[next_registered_writer_idx++] = writer;
464 static const Writer *writer_get_by_name(const char *name)
468 for (i = 0; registered_writers[i]; i++)
469 if (!strcmp(registered_writers[i]->name, name))
470 return registered_writers[i];
478 #define DEFINE_WRITER_CLASS(name) \
479 static const char *name##_get_name(void *ctx) \
483 static const AVClass name##_class = { \
491 typedef struct DefaultContext {
492 const AVClass *class;
494 int noprint_wrappers;
495 int nested_section[SECTION_MAX_NB_LEVELS];
496 AVBPrint prefix[SECTION_MAX_NB_LEVELS];
499 #define OFFSET(x) offsetof(DefaultContext, x)
501 static const AVOption default_options[] = {
502 { "noprint_wrappers", "do not print headers and footers", OFFSET(noprint_wrappers), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
503 { "nw", "do not print headers and footers", OFFSET(noprint_wrappers), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
504 { "nokey", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
505 { "nk", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
509 DEFINE_WRITER_CLASS(default);
511 /* lame uppercasing routine, assumes the string is lower case ASCII */
512 static inline char *upcase_string(char *dst, size_t dst_size, const char *src)
515 for (i = 0; src[i] && i < dst_size-1; i++)
516 dst[i] = av_toupper(src[i]);
521 static int default_init(WriterContext *wctx)
523 DefaultContext *def = wctx->priv;
526 for (i = 0; i < SECTION_MAX_NB_LEVELS; i++)
527 av_bprint_init(&def->prefix[i], 1, AV_BPRINT_SIZE_UNLIMITED);
531 static void default_uninit(WriterContext *wctx)
533 DefaultContext *def = wctx->priv;
536 for (i = 0; i < SECTION_MAX_NB_LEVELS; i++)
537 av_bprint_finalize(&def->prefix[i], NULL);
540 static void default_print_section_header(WriterContext *wctx)
542 DefaultContext *def = wctx->priv;
544 const struct section *section = wctx->section[wctx->level];
545 const struct section *parent_section = wctx->level ?
546 wctx->section[wctx->level-1] : NULL;
548 av_bprint_clear(&def->prefix[wctx->level]);
549 if (parent_section &&
550 !(parent_section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY))) {
551 def->nested_section[wctx->level] = 1;
552 av_bprintf(&def->prefix[wctx->level], "%s%s:", def->prefix[wctx->level-1].str,
553 upcase_string(buf, sizeof(buf),
554 av_x_if_null(section->element_name, section->name)));
557 if (def->noprint_wrappers || def->nested_section[wctx->level])
560 if (!(section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY)))
561 printf("[%s]\n", upcase_string(buf, sizeof(buf), section->name));
564 static void default_print_section_footer(WriterContext *wctx)
566 DefaultContext *def = wctx->priv;
567 const struct section *section = wctx->section[wctx->level];
570 if (def->noprint_wrappers || def->nested_section[wctx->level])
573 if (!(section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY)))
574 printf("[/%s]\n", upcase_string(buf, sizeof(buf), section->name));
577 static void default_print_str(WriterContext *wctx, const char *key, const char *value)
579 DefaultContext *def = wctx->priv;
582 printf("%s%s=", def->prefix[wctx->level].str, key);
583 printf("%s\n", value);
586 static void default_print_int(WriterContext *wctx, const char *key, long long int value)
588 DefaultContext *def = wctx->priv;
591 printf("%s%s=", def->prefix[wctx->level].str, key);
592 printf("%lld\n", value);
595 static const Writer default_writer = {
597 .priv_size = sizeof(DefaultContext),
598 .init = default_init,
599 .uninit = default_uninit,
600 .print_section_header = default_print_section_header,
601 .print_section_footer = default_print_section_footer,
602 .print_integer = default_print_int,
603 .print_string = default_print_str,
604 .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS,
605 .priv_class = &default_class,
611 * Apply C-language-like string escaping.
613 static const char *c_escape_str(AVBPrint *dst, const char *src, const char sep, void *log_ctx)
617 for (p = src; *p; p++) {
619 case '\b': av_bprintf(dst, "%s", "\\b"); break;
620 case '\f': av_bprintf(dst, "%s", "\\f"); break;
621 case '\n': av_bprintf(dst, "%s", "\\n"); break;
622 case '\r': av_bprintf(dst, "%s", "\\r"); break;
623 case '\\': av_bprintf(dst, "%s", "\\\\"); break;
626 av_bprint_chars(dst, '\\', 1);
627 av_bprint_chars(dst, *p, 1);
634 * Quote fields containing special characters, check RFC4180.
636 static const char *csv_escape_str(AVBPrint *dst, const char *src, const char sep, void *log_ctx)
638 char meta_chars[] = { sep, '"', '\n', '\r', '\0' };
639 int needs_quoting = !!src[strcspn(src, meta_chars)];
642 av_bprint_chars(dst, '\"', 1);
644 for (; *src; src++) {
646 av_bprint_chars(dst, '\"', 1);
647 av_bprint_chars(dst, *src, 1);
650 av_bprint_chars(dst, '\"', 1);
654 static const char *none_escape_str(AVBPrint *dst, const char *src, const char sep, void *log_ctx)
659 typedef struct CompactContext {
660 const AVClass *class;
665 char *escape_mode_str;
666 const char * (*escape_str)(AVBPrint *dst, const char *src, const char sep, void *log_ctx);
667 int nested_section[SECTION_MAX_NB_LEVELS];
668 AVBPrint prefix[SECTION_MAX_NB_LEVELS];
672 #define OFFSET(x) offsetof(CompactContext, x)
674 static const AVOption compact_options[]= {
675 {"item_sep", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str="|"}, CHAR_MIN, CHAR_MAX },
676 {"s", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str="|"}, CHAR_MIN, CHAR_MAX },
677 {"nokey", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
678 {"nk", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
679 {"escape", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="c"}, CHAR_MIN, CHAR_MAX },
680 {"e", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="c"}, CHAR_MIN, CHAR_MAX },
681 {"print_section", "print section name", OFFSET(print_section), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
682 {"p", "print section name", OFFSET(print_section), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
686 DEFINE_WRITER_CLASS(compact);
688 static av_cold int compact_init(WriterContext *wctx)
690 CompactContext *compact = wctx->priv;
693 if (strlen(compact->item_sep_str) != 1) {
694 av_log(wctx, AV_LOG_ERROR, "Item separator '%s' specified, but must contain a single character\n",
695 compact->item_sep_str);
696 return AVERROR(EINVAL);
698 compact->item_sep = compact->item_sep_str[0];
700 if (!strcmp(compact->escape_mode_str, "none")) compact->escape_str = none_escape_str;
701 else if (!strcmp(compact->escape_mode_str, "c" )) compact->escape_str = c_escape_str;
702 else if (!strcmp(compact->escape_mode_str, "csv" )) compact->escape_str = csv_escape_str;
704 av_log(wctx, AV_LOG_ERROR, "Unknown escape mode '%s'\n", compact->escape_mode_str);
705 return AVERROR(EINVAL);
708 for (i = 0; i < SECTION_MAX_NB_LEVELS; i++)
709 av_bprint_init(&compact->prefix[i], 1, AV_BPRINT_SIZE_UNLIMITED);
713 static void compact_uninit(WriterContext *wctx)
715 CompactContext *compact = wctx->priv;
718 for (i = 0; i < SECTION_MAX_NB_LEVELS; i++)
719 av_bprint_finalize(&compact->prefix[i], NULL);
722 static void compact_print_section_header(WriterContext *wctx)
724 CompactContext *compact = wctx->priv;
725 const struct section *section = wctx->section[wctx->level];
726 const struct section *parent_section = wctx->level ?
727 wctx->section[wctx->level-1] : NULL;
729 av_bprint_clear(&compact->prefix[wctx->level]);
730 if (parent_section &&
731 !(parent_section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY))) {
732 compact->nested_section[wctx->level] = 1;
733 av_bprintf(&compact->prefix[wctx->level], "%s%s:",
734 compact->prefix[wctx->level-1].str,
735 (char *)av_x_if_null(section->element_name, section->name));
736 wctx->nb_item[wctx->level] = wctx->nb_item[wctx->level-1];
737 } else if (compact->print_section &&
738 !(section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY)))
739 printf("%s%c", section->name, compact->item_sep);
742 static void compact_print_section_footer(WriterContext *wctx)
744 CompactContext *compact = wctx->priv;
746 if (!compact->nested_section[wctx->level] &&
747 !(wctx->section[wctx->level]->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY)))
751 static void compact_print_str(WriterContext *wctx, const char *key, const char *value)
753 CompactContext *compact = wctx->priv;
756 if (wctx->nb_item[wctx->level]) printf("%c", compact->item_sep);
758 printf("%s%s=", compact->prefix[wctx->level].str, key);
759 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
760 printf("%s", compact->escape_str(&buf, value, compact->item_sep, wctx));
761 av_bprint_finalize(&buf, NULL);
764 static void compact_print_int(WriterContext *wctx, const char *key, long long int value)
766 CompactContext *compact = wctx->priv;
768 if (wctx->nb_item[wctx->level]) printf("%c", compact->item_sep);
770 printf("%s%s=", compact->prefix[wctx->level].str, key);
771 printf("%lld", value);
774 static const Writer compact_writer = {
776 .priv_size = sizeof(CompactContext),
777 .init = compact_init,
778 .uninit = compact_uninit,
779 .print_section_header = compact_print_section_header,
780 .print_section_footer = compact_print_section_footer,
781 .print_integer = compact_print_int,
782 .print_string = compact_print_str,
783 .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS,
784 .priv_class = &compact_class,
790 #define OFFSET(x) offsetof(CompactContext, x)
792 static const AVOption csv_options[] = {
793 {"item_sep", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str=","}, CHAR_MIN, CHAR_MAX },
794 {"s", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str=","}, CHAR_MIN, CHAR_MAX },
795 {"nokey", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
796 {"nk", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
797 {"escape", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="csv"}, CHAR_MIN, CHAR_MAX },
798 {"e", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="csv"}, CHAR_MIN, CHAR_MAX },
799 {"print_section", "print section name", OFFSET(print_section), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
800 {"p", "print section name", OFFSET(print_section), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
804 DEFINE_WRITER_CLASS(csv);
806 static const Writer csv_writer = {
808 .priv_size = sizeof(CompactContext),
809 .init = compact_init,
810 .print_section_header = compact_print_section_header,
811 .print_section_footer = compact_print_section_footer,
812 .print_integer = compact_print_int,
813 .print_string = compact_print_str,
814 .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS,
815 .priv_class = &csv_class,
820 typedef struct FlatContext {
821 const AVClass *class;
822 AVBPrint section_header[SECTION_MAX_NB_LEVELS];
829 #define OFFSET(x) offsetof(FlatContext, x)
831 static const AVOption flat_options[]= {
832 {"sep_char", "set separator", OFFSET(sep_str), AV_OPT_TYPE_STRING, {.str="."}, CHAR_MIN, CHAR_MAX },
833 {"s", "set separator", OFFSET(sep_str), AV_OPT_TYPE_STRING, {.str="."}, CHAR_MIN, CHAR_MAX },
834 {"hierarchical", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
835 {"h", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
839 DEFINE_WRITER_CLASS(flat);
841 static av_cold int flat_init(WriterContext *wctx)
843 FlatContext *flat = wctx->priv;
846 if (strlen(flat->sep_str) != 1) {
847 av_log(wctx, AV_LOG_ERROR, "Item separator '%s' specified, but must contain a single character\n",
849 return AVERROR(EINVAL);
851 flat->sep = flat->sep_str[0];
853 for (i = 0; i < SECTION_MAX_NB_LEVELS; i++)
854 av_bprint_init(&flat->section_header[i], 1, AV_BPRINT_SIZE_UNLIMITED);
858 static void flat_uninit(WriterContext *wctx)
860 FlatContext *flat = wctx->priv;
863 for (i = 0; i < SECTION_MAX_NB_LEVELS; i++)
864 av_bprint_finalize(&flat->section_header[i], NULL);
867 static const char *flat_escape_key_str(AVBPrint *dst, const char *src, const char sep)
871 for (p = src; *p; p++) {
872 if (!((*p >= '0' && *p <= '9') ||
873 (*p >= 'a' && *p <= 'z') ||
874 (*p >= 'A' && *p <= 'Z')))
875 av_bprint_chars(dst, '_', 1);
877 av_bprint_chars(dst, *p, 1);
882 static const char *flat_escape_value_str(AVBPrint *dst, const char *src)
886 for (p = src; *p; p++) {
888 case '\n': av_bprintf(dst, "%s", "\\n"); break;
889 case '\r': av_bprintf(dst, "%s", "\\r"); break;
890 case '\\': av_bprintf(dst, "%s", "\\\\"); break;
891 case '"': av_bprintf(dst, "%s", "\\\""); break;
892 case '`': av_bprintf(dst, "%s", "\\`"); break;
893 case '$': av_bprintf(dst, "%s", "\\$"); break;
894 default: av_bprint_chars(dst, *p, 1); break;
900 static void flat_print_section_header(WriterContext *wctx)
902 FlatContext *flat = wctx->priv;
903 AVBPrint *buf = &flat->section_header[wctx->level];
904 const struct section *section = wctx->section[wctx->level];
905 const struct section *parent_section = wctx->level ?
906 wctx->section[wctx->level-1] : NULL;
908 /* build section header */
909 av_bprint_clear(buf);
912 av_bprintf(buf, "%s", flat->section_header[wctx->level-1].str);
914 if (flat->hierarchical ||
915 !(section->flags & (SECTION_FLAG_IS_ARRAY|SECTION_FLAG_IS_WRAPPER))) {
916 av_bprintf(buf, "%s%s", wctx->section[wctx->level]->name, flat->sep_str);
918 if (parent_section->flags & SECTION_FLAG_IS_ARRAY) {
919 int n = parent_section->id == SECTION_ID_PACKETS_AND_FRAMES ?
920 wctx->nb_section_packet_frame : wctx->nb_item[wctx->level-1];
921 av_bprintf(buf, "%d%s", n, flat->sep_str);
926 static void flat_print_int(WriterContext *wctx, const char *key, long long int value)
928 FlatContext *flat = wctx->priv;
929 printf("%s%s=%lld\n", flat->section_header[wctx->level].str, key, value);
932 static void flat_print_str(WriterContext *wctx, const char *key, const char *value)
934 FlatContext *flat = wctx->priv;
937 printf("%s", flat->section_header[wctx->level].str);
938 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
939 printf("%s=", flat_escape_key_str(&buf, key, flat->sep));
940 av_bprint_clear(&buf);
941 printf("\"%s\"\n", flat_escape_value_str(&buf, value));
942 av_bprint_finalize(&buf, NULL);
945 static const Writer flat_writer = {
947 .priv_size = sizeof(FlatContext),
949 .uninit = flat_uninit,
950 .print_section_header = flat_print_section_header,
951 .print_integer = flat_print_int,
952 .print_string = flat_print_str,
953 .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS|WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,
954 .priv_class = &flat_class,
957 /* INI format output */
960 const AVClass *class;
962 AVBPrint section_header[SECTION_MAX_NB_LEVELS];
966 #define OFFSET(x) offsetof(INIContext, x)
968 static const AVOption ini_options[] = {
969 {"hierarchical", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
970 {"h", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
974 DEFINE_WRITER_CLASS(ini);
976 static int ini_init(WriterContext *wctx)
978 INIContext *ini = wctx->priv;
981 for (i = 0; i < SECTION_MAX_NB_LEVELS; i++)
982 av_bprint_init(&ini->section_header[i], 1, AV_BPRINT_SIZE_UNLIMITED);
986 static void ini_uninit(WriterContext *wctx)
988 INIContext *ini = wctx->priv;
991 for (i = 0; i < SECTION_MAX_NB_LEVELS; i++)
992 av_bprint_finalize(&ini->section_header[i], NULL);
995 static char *ini_escape_str(AVBPrint *dst, const char *src)
1000 while (c = src[i++]) {
1002 case '\b': av_bprintf(dst, "%s", "\\b"); break;
1003 case '\f': av_bprintf(dst, "%s", "\\f"); break;
1004 case '\n': av_bprintf(dst, "%s", "\\n"); break;
1005 case '\r': av_bprintf(dst, "%s", "\\r"); break;
1006 case '\t': av_bprintf(dst, "%s", "\\t"); break;
1010 case ':' : av_bprint_chars(dst, '\\', 1);
1012 if ((unsigned char)c < 32)
1013 av_bprintf(dst, "\\x00%02x", c & 0xff);
1015 av_bprint_chars(dst, c, 1);
1022 static void ini_print_section_header(WriterContext *wctx)
1024 INIContext *ini = wctx->priv;
1025 AVBPrint *buf = &ini->section_header[wctx->level];
1026 const struct section *section = wctx->section[wctx->level];
1027 const struct section *parent_section = wctx->level ?
1028 wctx->section[wctx->level-1] : NULL;
1030 av_bprint_clear(buf);
1031 if (!parent_section) {
1032 printf("# ffprobe output\n\n");
1036 if (wctx->nb_item[wctx->level-1])
1039 av_bprintf(buf, "%s", ini->section_header[wctx->level-1].str);
1040 if (ini->hierarchical ||
1041 !(section->flags & (SECTION_FLAG_IS_ARRAY|SECTION_FLAG_IS_WRAPPER))) {
1042 av_bprintf(buf, "%s%s", buf->str[0] ? "." : "", wctx->section[wctx->level]->name);
1044 if (parent_section->flags & SECTION_FLAG_IS_ARRAY) {
1045 int n = parent_section->id == SECTION_ID_PACKETS_AND_FRAMES ?
1046 wctx->nb_section_packet_frame : wctx->nb_item[wctx->level-1];
1047 av_bprintf(buf, ".%d", n);
1051 if (!(section->flags & (SECTION_FLAG_IS_ARRAY|SECTION_FLAG_IS_WRAPPER)))
1052 printf("[%s]\n", buf->str);
1055 static void ini_print_str(WriterContext *wctx, const char *key, const char *value)
1059 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1060 printf("%s=", ini_escape_str(&buf, key));
1061 av_bprint_clear(&buf);
1062 printf("%s\n", ini_escape_str(&buf, value));
1063 av_bprint_finalize(&buf, NULL);
1066 static void ini_print_int(WriterContext *wctx, const char *key, long long int value)
1068 printf("%s=%lld\n", key, value);
1071 static const Writer ini_writer = {
1073 .priv_size = sizeof(INIContext),
1075 .uninit = ini_uninit,
1076 .print_section_header = ini_print_section_header,
1077 .print_integer = ini_print_int,
1078 .print_string = ini_print_str,
1079 .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS|WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,
1080 .priv_class = &ini_class,
1086 const AVClass *class;
1089 const char *item_sep, *item_start_end;
1093 #define OFFSET(x) offsetof(JSONContext, x)
1095 static const AVOption json_options[]= {
1096 { "compact", "enable compact output", OFFSET(compact), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
1097 { "c", "enable compact output", OFFSET(compact), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
1101 DEFINE_WRITER_CLASS(json);
1103 static av_cold int json_init(WriterContext *wctx)
1105 JSONContext *json = wctx->priv;
1107 json->item_sep = json->compact ? ", " : ",\n";
1108 json->item_start_end = json->compact ? " " : "\n";
1113 static const char *json_escape_str(AVBPrint *dst, const char *src, void *log_ctx)
1115 static const char json_escape[] = {'"', '\\', '\b', '\f', '\n', '\r', '\t', 0};
1116 static const char json_subst[] = {'"', '\\', 'b', 'f', 'n', 'r', 't', 0};
1119 for (p = src; *p; p++) {
1120 char *s = strchr(json_escape, *p);
1122 av_bprint_chars(dst, '\\', 1);
1123 av_bprint_chars(dst, json_subst[s - json_escape], 1);
1124 } else if ((unsigned char)*p < 32) {
1125 av_bprintf(dst, "\\u00%02x", *p & 0xff);
1127 av_bprint_chars(dst, *p, 1);
1133 #define JSON_INDENT() printf("%*c", json->indent_level * 4, ' ')
1135 static void json_print_section_header(WriterContext *wctx)
1137 JSONContext *json = wctx->priv;
1139 const struct section *section = wctx->section[wctx->level];
1140 const struct section *parent_section = wctx->level ?
1141 wctx->section[wctx->level-1] : NULL;
1143 if (wctx->level && wctx->nb_item[wctx->level-1])
1146 if (section->flags & SECTION_FLAG_IS_WRAPPER) {
1148 json->indent_level++;
1150 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1151 json_escape_str(&buf, section->name, wctx);
1154 json->indent_level++;
1155 if (section->flags & SECTION_FLAG_IS_ARRAY) {
1156 printf("\"%s\": [\n", buf.str);
1157 } else if (!(parent_section->flags & SECTION_FLAG_IS_ARRAY)) {
1158 printf("\"%s\": {%s", buf.str, json->item_start_end);
1160 printf("{%s", json->item_start_end);
1162 /* this is required so the parser can distinguish between packets and frames */
1163 if (parent_section->id == SECTION_ID_PACKETS_AND_FRAMES) {
1166 printf("\"type\": \"%s\"%s", section->name, json->item_sep);
1169 av_bprint_finalize(&buf, NULL);
1173 static void json_print_section_footer(WriterContext *wctx)
1175 JSONContext *json = wctx->priv;
1176 const struct section *section = wctx->section[wctx->level];
1178 if (wctx->level == 0) {
1179 json->indent_level--;
1181 } else if (section->flags & SECTION_FLAG_IS_ARRAY) {
1183 json->indent_level--;
1187 printf("%s", json->item_start_end);
1188 json->indent_level--;
1195 static inline void json_print_item_str(WriterContext *wctx,
1196 const char *key, const char *value)
1200 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1201 printf("\"%s\":", json_escape_str(&buf, key, wctx));
1202 av_bprint_clear(&buf);
1203 printf(" \"%s\"", json_escape_str(&buf, value, wctx));
1204 av_bprint_finalize(&buf, NULL);
1207 static void json_print_str(WriterContext *wctx, const char *key, const char *value)
1209 JSONContext *json = wctx->priv;
1211 if (wctx->nb_item[wctx->level])
1212 printf("%s", json->item_sep);
1215 json_print_item_str(wctx, key, value);
1218 static void json_print_int(WriterContext *wctx, const char *key, long long int value)
1220 JSONContext *json = wctx->priv;
1223 if (wctx->nb_item[wctx->level])
1224 printf("%s", json->item_sep);
1228 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1229 printf("\"%s\": %lld", json_escape_str(&buf, key, wctx), value);
1230 av_bprint_finalize(&buf, NULL);
1233 static const Writer json_writer = {
1235 .priv_size = sizeof(JSONContext),
1237 .print_section_header = json_print_section_header,
1238 .print_section_footer = json_print_section_footer,
1239 .print_integer = json_print_int,
1240 .print_string = json_print_str,
1241 .flags = WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,
1242 .priv_class = &json_class,
1248 const AVClass *class;
1251 int fully_qualified;
1256 #define OFFSET(x) offsetof(XMLContext, x)
1258 static const AVOption xml_options[] = {
1259 {"fully_qualified", "specify if the output should be fully qualified", OFFSET(fully_qualified), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
1260 {"q", "specify if the output should be fully qualified", OFFSET(fully_qualified), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
1261 {"xsd_strict", "ensure that the output is XSD compliant", OFFSET(xsd_strict), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
1262 {"x", "ensure that the output is XSD compliant", OFFSET(xsd_strict), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
1266 DEFINE_WRITER_CLASS(xml);
1268 static av_cold int xml_init(WriterContext *wctx)
1270 XMLContext *xml = wctx->priv;
1272 if (xml->xsd_strict) {
1273 xml->fully_qualified = 1;
1274 #define CHECK_COMPLIANCE(opt, opt_name) \
1276 av_log(wctx, AV_LOG_ERROR, \
1277 "XSD-compliant output selected but option '%s' was selected, XML output may be non-compliant.\n" \
1278 "You need to disable such option with '-no%s'\n", opt_name, opt_name); \
1279 return AVERROR(EINVAL); \
1281 CHECK_COMPLIANCE(show_private_data, "private");
1282 CHECK_COMPLIANCE(show_value_unit, "unit");
1283 CHECK_COMPLIANCE(use_value_prefix, "prefix");
1285 if (do_show_frames && do_show_packets) {
1286 av_log(wctx, AV_LOG_ERROR,
1287 "Interleaved frames and packets are not allowed in XSD. "
1288 "Select only one between the -show_frames and the -show_packets options.\n");
1289 return AVERROR(EINVAL);
1296 static const char *xml_escape_str(AVBPrint *dst, const char *src, void *log_ctx)
1300 for (p = src; *p; p++) {
1302 case '&' : av_bprintf(dst, "%s", "&"); break;
1303 case '<' : av_bprintf(dst, "%s", "<"); break;
1304 case '>' : av_bprintf(dst, "%s", ">"); break;
1305 case '\"': av_bprintf(dst, "%s", """); break;
1306 case '\'': av_bprintf(dst, "%s", "'"); break;
1307 default: av_bprint_chars(dst, *p, 1);
1314 #define XML_INDENT() printf("%*c", xml->indent_level * 4, ' ')
1316 static void xml_print_section_header(WriterContext *wctx)
1318 XMLContext *xml = wctx->priv;
1319 const struct section *section = wctx->section[wctx->level];
1320 const struct section *parent_section = wctx->level ?
1321 wctx->section[wctx->level-1] : NULL;
1323 if (wctx->level == 0) {
1324 const char *qual = " xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' "
1325 "xmlns:ffprobe='http://www.ffmpeg.org/schema/ffprobe' "
1326 "xsi:schemaLocation='http://www.ffmpeg.org/schema/ffprobe ffprobe.xsd'";
1328 printf("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");
1329 printf("<%sffprobe%s>\n",
1330 xml->fully_qualified ? "ffprobe:" : "",
1331 xml->fully_qualified ? qual : "");
1335 if (xml->within_tag) {
1336 xml->within_tag = 0;
1339 if (section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS) {
1340 xml->indent_level++;
1342 if (parent_section && (parent_section->flags & SECTION_FLAG_IS_WRAPPER) &&
1343 wctx->level && wctx->nb_item[wctx->level-1])
1345 xml->indent_level++;
1347 if (section->flags & SECTION_FLAG_IS_ARRAY) {
1348 XML_INDENT(); printf("<%s>\n", section->name);
1350 XML_INDENT(); printf("<%s ", section->name);
1351 xml->within_tag = 1;
1356 static void xml_print_section_footer(WriterContext *wctx)
1358 XMLContext *xml = wctx->priv;
1359 const struct section *section = wctx->section[wctx->level];
1361 if (wctx->level == 0) {
1362 printf("</%sffprobe>\n", xml->fully_qualified ? "ffprobe:" : "");
1363 } else if (xml->within_tag) {
1364 xml->within_tag = 0;
1366 xml->indent_level--;
1367 } else if (section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS) {
1368 xml->indent_level--;
1370 XML_INDENT(); printf("</%s>\n", section->name);
1371 xml->indent_level--;
1375 static void xml_print_str(WriterContext *wctx, const char *key, const char *value)
1378 XMLContext *xml = wctx->priv;
1379 const struct section *section = wctx->section[wctx->level];
1381 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1383 if (section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS) {
1385 printf("<%s key=\"%s\"",
1386 section->element_name, xml_escape_str(&buf, key, wctx));
1387 av_bprint_clear(&buf);
1388 printf(" value=\"%s\"/>\n", xml_escape_str(&buf, value, wctx));
1390 if (wctx->nb_item[wctx->level])
1392 printf("%s=\"%s\"", key, xml_escape_str(&buf, value, wctx));
1395 av_bprint_finalize(&buf, NULL);
1398 static void xml_print_int(WriterContext *wctx, const char *key, long long int value)
1400 if (wctx->nb_item[wctx->level])
1402 printf("%s=\"%lld\"", key, value);
1405 static Writer xml_writer = {
1407 .priv_size = sizeof(XMLContext),
1409 .print_section_header = xml_print_section_header,
1410 .print_section_footer = xml_print_section_footer,
1411 .print_integer = xml_print_int,
1412 .print_string = xml_print_str,
1413 .flags = WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,
1414 .priv_class = &xml_class,
1417 static void writer_register_all(void)
1419 static int initialized;
1425 writer_register(&default_writer);
1426 writer_register(&compact_writer);
1427 writer_register(&csv_writer);
1428 writer_register(&flat_writer);
1429 writer_register(&ini_writer);
1430 writer_register(&json_writer);
1431 writer_register(&xml_writer);
1434 #define print_fmt(k, f, ...) do { \
1435 av_bprint_clear(&pbuf); \
1436 av_bprintf(&pbuf, f, __VA_ARGS__); \
1437 writer_print_string(w, k, pbuf.str, 0); \
1440 #define print_int(k, v) writer_print_integer(w, k, v)
1441 #define print_q(k, v, s) writer_print_rational(w, k, v, s)
1442 #define print_str(k, v) writer_print_string(w, k, v, 0)
1443 #define print_str_opt(k, v) writer_print_string(w, k, v, 1)
1444 #define print_time(k, v, tb) writer_print_time(w, k, v, tb, 0)
1445 #define print_ts(k, v) writer_print_ts(w, k, v, 0)
1446 #define print_duration_time(k, v, tb) writer_print_time(w, k, v, tb, 1)
1447 #define print_duration_ts(k, v) writer_print_ts(w, k, v, 1)
1448 #define print_val(k, v, u) do { \
1449 struct unit_value uv; \
1452 writer_print_string(w, k, value_string(val_str, sizeof(val_str), uv), 0); \
1455 #define print_section_header(s) writer_print_section_header(w, s)
1456 #define print_section_footer(s) writer_print_section_footer(w, s)
1458 static inline void show_tags(WriterContext *wctx, AVDictionary *tags, int section_id)
1460 AVDictionaryEntry *tag = NULL;
1464 writer_print_section_header(wctx, section_id);
1465 while ((tag = av_dict_get(tags, "", tag, AV_DICT_IGNORE_SUFFIX)))
1466 writer_print_string(wctx, tag->key, tag->value, 0);
1467 writer_print_section_footer(wctx);
1470 static void show_packet(WriterContext *w, AVFormatContext *fmt_ctx, AVPacket *pkt, int packet_idx)
1473 AVStream *st = fmt_ctx->streams[pkt->stream_index];
1477 av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
1479 writer_print_section_header(w, SECTION_ID_PACKET);
1481 s = av_get_media_type_string(st->codec->codec_type);
1482 if (s) print_str ("codec_type", s);
1483 else print_str_opt("codec_type", "unknown");
1484 print_int("stream_index", pkt->stream_index);
1485 print_ts ("pts", pkt->pts);
1486 print_time("pts_time", pkt->pts, &st->time_base);
1487 print_ts ("dts", pkt->dts);
1488 print_time("dts_time", pkt->dts, &st->time_base);
1489 print_duration_ts("duration", pkt->duration);
1490 print_duration_time("duration_time", pkt->duration, &st->time_base);
1491 print_duration_ts("convergence_duration", pkt->convergence_duration);
1492 print_duration_time("convergence_duration_time", pkt->convergence_duration, &st->time_base);
1493 print_val("size", pkt->size, unit_byte_str);
1494 if (pkt->pos != -1) print_fmt ("pos", "%"PRId64, pkt->pos);
1495 else print_str_opt("pos", "N/A");
1496 print_fmt("flags", "%c", pkt->flags & AV_PKT_FLAG_KEY ? 'K' : '_');
1498 writer_print_data(w, "data", pkt->data, pkt->size);
1499 writer_print_section_footer(w);
1501 av_bprint_finalize(&pbuf, NULL);
1505 static void show_frame(WriterContext *w, AVFrame *frame, AVStream *stream,
1506 AVFormatContext *fmt_ctx)
1511 av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
1513 writer_print_section_header(w, SECTION_ID_FRAME);
1515 s = av_get_media_type_string(stream->codec->codec_type);
1516 if (s) print_str ("media_type", s);
1517 else print_str_opt("media_type", "unknown");
1518 print_int("key_frame", frame->key_frame);
1519 print_ts ("pkt_pts", frame->pkt_pts);
1520 print_time("pkt_pts_time", frame->pkt_pts, &stream->time_base);
1521 print_ts ("pkt_dts", frame->pkt_dts);
1522 print_time("pkt_dts_time", frame->pkt_dts, &stream->time_base);
1523 print_duration_ts ("pkt_duration", frame->pkt_duration);
1524 print_duration_time("pkt_duration_time", frame->pkt_duration, &stream->time_base);
1525 if (frame->pkt_pos != -1) print_fmt ("pkt_pos", "%"PRId64, frame->pkt_pos);
1526 else print_str_opt("pkt_pos", "N/A");
1528 switch (stream->codec->codec_type) {
1531 case AVMEDIA_TYPE_VIDEO:
1532 print_int("width", frame->width);
1533 print_int("height", frame->height);
1534 s = av_get_pix_fmt_name(frame->format);
1535 if (s) print_str ("pix_fmt", s);
1536 else print_str_opt("pix_fmt", "unknown");
1537 sar = av_guess_sample_aspect_ratio(fmt_ctx, stream, frame);
1539 print_q("sample_aspect_ratio", sar, ':');
1541 print_str_opt("sample_aspect_ratio", "N/A");
1543 print_fmt("pict_type", "%c", av_get_picture_type_char(frame->pict_type));
1544 print_int("coded_picture_number", frame->coded_picture_number);
1545 print_int("display_picture_number", frame->display_picture_number);
1546 print_int("interlaced_frame", frame->interlaced_frame);
1547 print_int("top_field_first", frame->top_field_first);
1548 print_int("repeat_pict", frame->repeat_pict);
1549 print_int("reference", frame->reference);
1552 case AVMEDIA_TYPE_AUDIO:
1553 s = av_get_sample_fmt_name(frame->format);
1554 if (s) print_str ("sample_fmt", s);
1555 else print_str_opt("sample_fmt", "unknown");
1556 print_int("nb_samples", frame->nb_samples);
1557 print_int("channels", av_frame_get_channels(frame));
1558 if (av_frame_get_channel_layout(frame)) {
1559 av_bprint_clear(&pbuf);
1560 av_bprint_channel_layout(&pbuf, av_frame_get_channels(frame),
1561 av_frame_get_channel_layout(frame));
1562 print_str ("channel_layout", pbuf.str);
1564 print_str_opt("channel_layout", "unknown");
1567 show_tags(w, av_frame_get_metadata(frame), SECTION_ID_FRAME_TAGS);
1569 writer_print_section_footer(w);
1571 av_bprint_finalize(&pbuf, NULL);
1575 static av_always_inline int process_frame(WriterContext *w,
1576 AVFormatContext *fmt_ctx,
1577 AVFrame *frame, AVPacket *pkt)
1579 AVCodecContext *dec_ctx = fmt_ctx->streams[pkt->stream_index]->codec;
1580 int ret = 0, got_frame = 0;
1582 avcodec_get_frame_defaults(frame);
1583 if (dec_ctx->codec) {
1584 switch (dec_ctx->codec_type) {
1585 case AVMEDIA_TYPE_VIDEO:
1586 ret = avcodec_decode_video2(dec_ctx, frame, &got_frame, pkt);
1589 case AVMEDIA_TYPE_AUDIO:
1590 ret = avcodec_decode_audio4(dec_ctx, frame, &got_frame, pkt);
1597 ret = FFMIN(ret, pkt->size); /* guard against bogus return values */
1601 nb_streams_frames[pkt->stream_index]++;
1603 show_frame(w, frame, fmt_ctx->streams[pkt->stream_index], fmt_ctx);
1608 static void read_packets(WriterContext *w, AVFormatContext *fmt_ctx)
1614 av_init_packet(&pkt);
1616 while (!av_read_frame(fmt_ctx, &pkt)) {
1617 if (do_read_packets) {
1618 if (do_show_packets)
1619 show_packet(w, fmt_ctx, &pkt, i++);
1620 nb_streams_packets[pkt.stream_index]++;
1622 if (do_read_frames) {
1624 while (pkt1.size && process_frame(w, fmt_ctx, &frame, &pkt1) > 0);
1626 av_free_packet(&pkt);
1628 av_init_packet(&pkt);
1631 //Flush remaining frames that are cached in the decoder
1632 for (i = 0; i < fmt_ctx->nb_streams; i++) {
1633 pkt.stream_index = i;
1635 while (process_frame(w, fmt_ctx, &frame, &pkt) > 0);
1639 static void show_stream(WriterContext *w, AVFormatContext *fmt_ctx, int stream_idx)
1641 AVStream *stream = fmt_ctx->streams[stream_idx];
1642 AVCodecContext *dec_ctx;
1646 AVRational sar, dar;
1649 av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
1651 writer_print_section_header(w, SECTION_ID_STREAM);
1653 print_int("index", stream->index);
1655 if ((dec_ctx = stream->codec)) {
1656 const char *profile = NULL;
1657 dec = dec_ctx->codec;
1659 print_str("codec_name", dec->name);
1661 if (dec->long_name) print_str ("codec_long_name", dec->long_name);
1662 else print_str_opt("codec_long_name", "unknown");
1665 print_str_opt("codec_name", "unknown");
1667 print_str_opt("codec_long_name", "unknown");
1671 if (dec && (profile = av_get_profile_name(dec, dec_ctx->profile)))
1672 print_str("profile", profile);
1674 print_str_opt("profile", "unknown");
1676 s = av_get_media_type_string(dec_ctx->codec_type);
1677 if (s) print_str ("codec_type", s);
1678 else print_str_opt("codec_type", "unknown");
1679 print_q("codec_time_base", dec_ctx->time_base, '/');
1681 /* print AVI/FourCC tag */
1682 av_get_codec_tag_string(val_str, sizeof(val_str), dec_ctx->codec_tag);
1683 print_str("codec_tag_string", val_str);
1684 print_fmt("codec_tag", "0x%04x", dec_ctx->codec_tag);
1686 switch (dec_ctx->codec_type) {
1687 case AVMEDIA_TYPE_VIDEO:
1688 print_int("width", dec_ctx->width);
1689 print_int("height", dec_ctx->height);
1690 print_int("has_b_frames", dec_ctx->has_b_frames);
1691 sar = av_guess_sample_aspect_ratio(fmt_ctx, stream, NULL);
1693 print_q("sample_aspect_ratio", sar, ':');
1694 av_reduce(&dar.num, &dar.den,
1695 dec_ctx->width * sar.num,
1696 dec_ctx->height * sar.den,
1698 print_q("display_aspect_ratio", dar, ':');
1700 print_str_opt("sample_aspect_ratio", "N/A");
1701 print_str_opt("display_aspect_ratio", "N/A");
1703 s = av_get_pix_fmt_name(dec_ctx->pix_fmt);
1704 if (s) print_str ("pix_fmt", s);
1705 else print_str_opt("pix_fmt", "unknown");
1706 print_int("level", dec_ctx->level);
1707 if (dec_ctx->timecode_frame_start >= 0) {
1708 char tcbuf[AV_TIMECODE_STR_SIZE];
1709 av_timecode_make_mpeg_tc_string(tcbuf, dec_ctx->timecode_frame_start);
1710 print_str("timecode", tcbuf);
1712 print_str_opt("timecode", "N/A");
1716 case AVMEDIA_TYPE_AUDIO:
1717 s = av_get_sample_fmt_name(dec_ctx->sample_fmt);
1718 if (s) print_str ("sample_fmt", s);
1719 else print_str_opt("sample_fmt", "unknown");
1720 print_val("sample_rate", dec_ctx->sample_rate, unit_hertz_str);
1721 print_int("channels", dec_ctx->channels);
1722 print_int("bits_per_sample", av_get_bits_per_sample(dec_ctx->codec_id));
1726 print_str_opt("codec_type", "unknown");
1728 if (dec_ctx->codec && dec_ctx->codec->priv_class && show_private_data) {
1729 const AVOption *opt = NULL;
1730 while (opt = av_opt_next(dec_ctx->priv_data,opt)) {
1732 if (opt->flags) continue;
1733 if (av_opt_get(dec_ctx->priv_data, opt->name, 0, &str) >= 0) {
1734 print_str(opt->name, str);
1740 if (fmt_ctx->iformat->flags & AVFMT_SHOW_IDS) print_fmt ("id", "0x%x", stream->id);
1741 else print_str_opt("id", "N/A");
1742 print_q("r_frame_rate", stream->r_frame_rate, '/');
1743 print_q("avg_frame_rate", stream->avg_frame_rate, '/');
1744 print_q("time_base", stream->time_base, '/');
1745 print_ts ("start_pts", stream->start_time);
1746 print_time("start_time", stream->start_time, &stream->time_base);
1747 print_ts ("duration_ts", stream->duration);
1748 print_time("duration", stream->duration, &stream->time_base);
1749 if (dec_ctx->bit_rate > 0) print_val ("bit_rate", dec_ctx->bit_rate, unit_bit_per_second_str);
1750 else print_str_opt("bit_rate", "N/A");
1751 if (stream->nb_frames) print_fmt ("nb_frames", "%"PRId64, stream->nb_frames);
1752 else print_str_opt("nb_frames", "N/A");
1753 if (nb_streams_frames[stream_idx]) print_fmt ("nb_read_frames", "%"PRIu64, nb_streams_frames[stream_idx]);
1754 else print_str_opt("nb_read_frames", "N/A");
1755 if (nb_streams_packets[stream_idx]) print_fmt ("nb_read_packets", "%"PRIu64, nb_streams_packets[stream_idx]);
1756 else print_str_opt("nb_read_packets", "N/A");
1758 writer_print_data(w, "extradata", dec_ctx->extradata,
1759 dec_ctx->extradata_size);
1761 /* Print disposition information */
1762 #define PRINT_DISPOSITION(flagname, name) do { \
1763 print_int(name, !!(stream->disposition & AV_DISPOSITION_##flagname)); \
1766 writer_print_section_header(w, SECTION_ID_STREAM_DISPOSITION);
1767 PRINT_DISPOSITION(DEFAULT, "default");
1768 PRINT_DISPOSITION(DUB, "dub");
1769 PRINT_DISPOSITION(ORIGINAL, "original");
1770 PRINT_DISPOSITION(COMMENT, "comment");
1771 PRINT_DISPOSITION(LYRICS, "lyrics");
1772 PRINT_DISPOSITION(KARAOKE, "karaoke");
1773 PRINT_DISPOSITION(FORCED, "forced");
1774 PRINT_DISPOSITION(HEARING_IMPAIRED, "hearing_impaired");
1775 PRINT_DISPOSITION(VISUAL_IMPAIRED, "visual_impaired");
1776 PRINT_DISPOSITION(CLEAN_EFFECTS, "clean_effects");
1777 PRINT_DISPOSITION(ATTACHED_PIC, "attached_pic");
1778 writer_print_section_footer(w);
1780 show_tags(w, stream->metadata, SECTION_ID_STREAM_TAGS);
1782 writer_print_section_footer(w);
1783 av_bprint_finalize(&pbuf, NULL);
1787 static void show_streams(WriterContext *w, AVFormatContext *fmt_ctx)
1790 writer_print_section_header(w, SECTION_ID_STREAMS);
1791 for (i = 0; i < fmt_ctx->nb_streams; i++)
1792 show_stream(w, fmt_ctx, i);
1793 writer_print_section_footer(w);
1796 static void show_format(WriterContext *w, AVFormatContext *fmt_ctx)
1799 int64_t size = fmt_ctx->pb ? avio_size(fmt_ctx->pb) : -1;
1801 writer_print_section_header(w, SECTION_ID_FORMAT);
1802 print_str("filename", fmt_ctx->filename);
1803 print_int("nb_streams", fmt_ctx->nb_streams);
1804 print_str("format_name", fmt_ctx->iformat->name);
1806 if (fmt_ctx->iformat->long_name) print_str ("format_long_name", fmt_ctx->iformat->long_name);
1807 else print_str_opt("format_long_name", "unknown");
1809 print_time("start_time", fmt_ctx->start_time, &AV_TIME_BASE_Q);
1810 print_time("duration", fmt_ctx->duration, &AV_TIME_BASE_Q);
1811 if (size >= 0) print_val ("size", size, unit_byte_str);
1812 else print_str_opt("size", "N/A");
1813 if (fmt_ctx->bit_rate > 0) print_val ("bit_rate", fmt_ctx->bit_rate, unit_bit_per_second_str);
1814 else print_str_opt("bit_rate", "N/A");
1815 show_tags(w, fmt_ctx->metadata, SECTION_ID_FORMAT_TAGS);
1817 writer_print_section_footer(w);
1821 static void show_error(WriterContext *w, int err)
1824 const char *errbuf_ptr = errbuf;
1826 if (av_strerror(err, errbuf, sizeof(errbuf)) < 0)
1827 errbuf_ptr = strerror(AVUNERROR(err));
1829 writer_print_section_header(w, SECTION_ID_ERROR);
1830 print_int("code", err);
1831 print_str("string", errbuf_ptr);
1832 writer_print_section_footer(w);
1835 static int open_input_file(AVFormatContext **fmt_ctx_ptr, const char *filename)
1838 AVFormatContext *fmt_ctx = NULL;
1839 AVDictionaryEntry *t;
1841 if ((err = avformat_open_input(&fmt_ctx, filename,
1842 iformat, &format_opts)) < 0) {
1843 print_error(filename, err);
1846 if ((t = av_dict_get(format_opts, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
1847 av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
1848 return AVERROR_OPTION_NOT_FOUND;
1852 /* fill the streams in the format context */
1853 if ((err = avformat_find_stream_info(fmt_ctx, NULL)) < 0) {
1854 print_error(filename, err);
1858 av_dump_format(fmt_ctx, 0, filename, 0);
1860 /* bind a decoder to each input stream */
1861 for (i = 0; i < fmt_ctx->nb_streams; i++) {
1862 AVStream *stream = fmt_ctx->streams[i];
1865 if (stream->codec->codec_id == AV_CODEC_ID_PROBE) {
1866 av_log(NULL, AV_LOG_ERROR,
1867 "Failed to probe codec for input stream %d\n",
1869 } else if (!(codec = avcodec_find_decoder(stream->codec->codec_id))) {
1870 av_log(NULL, AV_LOG_ERROR,
1871 "Unsupported codec with id %d for input stream %d\n",
1872 stream->codec->codec_id, stream->index);
1873 } else if (avcodec_open2(stream->codec, codec, NULL) < 0) {
1874 av_log(NULL, AV_LOG_ERROR, "Error while opening codec for input stream %d\n",
1879 *fmt_ctx_ptr = fmt_ctx;
1883 static void close_input_file(AVFormatContext **ctx_ptr)
1886 AVFormatContext *fmt_ctx = *ctx_ptr;
1888 /* close decoder for each stream */
1889 for (i = 0; i < fmt_ctx->nb_streams; i++)
1890 if (fmt_ctx->streams[i]->codec->codec_id != AV_CODEC_ID_NONE)
1891 avcodec_close(fmt_ctx->streams[i]->codec);
1893 avformat_close_input(ctx_ptr);
1896 static int probe_file(WriterContext *wctx, const char *filename)
1898 AVFormatContext *fmt_ctx;
1902 do_read_frames = do_show_frames || do_count_frames;
1903 do_read_packets = do_show_packets || do_count_packets;
1905 ret = open_input_file(&fmt_ctx, filename);
1907 nb_streams_frames = av_calloc(fmt_ctx->nb_streams, sizeof(*nb_streams_frames));
1908 nb_streams_packets = av_calloc(fmt_ctx->nb_streams, sizeof(*nb_streams_packets));
1909 if (do_read_frames || do_read_packets) {
1910 if (do_show_frames && do_show_packets &&
1911 wctx->writer->flags & WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER)
1912 section_id = SECTION_ID_PACKETS_AND_FRAMES;
1913 else if (do_show_packets && !do_show_frames)
1914 section_id = SECTION_ID_PACKETS;
1915 else // (!do_show_packets && do_show_frames)
1916 section_id = SECTION_ID_FRAMES;
1917 if (do_show_frames || do_show_packets)
1918 writer_print_section_header(wctx, section_id);
1919 read_packets(wctx, fmt_ctx);
1920 if (do_show_frames || do_show_packets)
1921 writer_print_section_footer(wctx);
1923 if (do_show_streams)
1924 show_streams(wctx, fmt_ctx);
1926 show_format(wctx, fmt_ctx);
1928 close_input_file(&fmt_ctx);
1929 av_freep(&nb_streams_frames);
1930 av_freep(&nb_streams_packets);
1935 static void show_usage(void)
1937 av_log(NULL, AV_LOG_INFO, "Simple multimedia streams analyzer\n");
1938 av_log(NULL, AV_LOG_INFO, "usage: %s [OPTIONS] [INPUT_FILE]\n", program_name);
1939 av_log(NULL, AV_LOG_INFO, "\n");
1942 static void ffprobe_show_program_version(WriterContext *w)
1945 av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
1947 writer_print_section_header(w, SECTION_ID_PROGRAM_VERSION);
1948 print_str("version", FFMPEG_VERSION);
1949 print_fmt("copyright", "Copyright (c) %d-%d the FFmpeg developers",
1950 program_birth_year, this_year);
1951 print_str("build_date", __DATE__);
1952 print_str("build_time", __TIME__);
1953 print_str("compiler_ident", CC_IDENT);
1954 print_str("configuration", FFMPEG_CONFIGURATION);
1955 writer_print_section_footer(w);
1957 av_bprint_finalize(&pbuf, NULL);
1960 #define SHOW_LIB_VERSION(libname, LIBNAME) \
1962 if (CONFIG_##LIBNAME) { \
1963 unsigned int version = libname##_version(); \
1964 writer_print_section_header(w, SECTION_ID_LIBRARY_VERSION); \
1965 print_str("name", "lib" #libname); \
1966 print_int("major", LIB##LIBNAME##_VERSION_MAJOR); \
1967 print_int("minor", LIB##LIBNAME##_VERSION_MINOR); \
1968 print_int("micro", LIB##LIBNAME##_VERSION_MICRO); \
1969 print_int("version", version); \
1970 print_str("ident", LIB##LIBNAME##_IDENT); \
1971 writer_print_section_footer(w); \
1975 static void ffprobe_show_library_versions(WriterContext *w)
1977 writer_print_section_header(w, SECTION_ID_LIBRARY_VERSIONS);
1978 SHOW_LIB_VERSION(avutil, AVUTIL);
1979 SHOW_LIB_VERSION(avcodec, AVCODEC);
1980 SHOW_LIB_VERSION(avformat, AVFORMAT);
1981 SHOW_LIB_VERSION(avdevice, AVDEVICE);
1982 SHOW_LIB_VERSION(avfilter, AVFILTER);
1983 SHOW_LIB_VERSION(swscale, SWSCALE);
1984 SHOW_LIB_VERSION(swresample, SWRESAMPLE);
1985 SHOW_LIB_VERSION(postproc, POSTPROC);
1986 writer_print_section_footer(w);
1989 static int opt_format(void *optctx, const char *opt, const char *arg)
1991 iformat = av_find_input_format(arg);
1993 av_log(NULL, AV_LOG_ERROR, "Unknown input format: %s\n", arg);
1994 return AVERROR(EINVAL);
1999 static int opt_show_format_entry(void *optctx, const char *opt, const char *arg)
2002 av_dict_set(&fmt_entries_to_show, arg, "", 0);
2006 static void opt_input_file(void *optctx, const char *arg)
2008 if (input_filename) {
2009 av_log(NULL, AV_LOG_ERROR,
2010 "Argument '%s' provided as input filename, but '%s' was already specified.\n",
2011 arg, input_filename);
2014 if (!strcmp(arg, "-"))
2016 input_filename = arg;
2019 static int opt_input_file_i(void *optctx, const char *opt, const char *arg)
2021 opt_input_file(optctx, arg);
2025 void show_help_default(const char *opt, const char *arg)
2027 av_log_set_callback(log_callback_help);
2029 show_help_options(options, "Main options:", 0, 0, 0);
2032 show_help_children(avformat_get_class(), AV_OPT_FLAG_DECODING_PARAM);
2035 static int opt_pretty(void *optctx, const char *opt, const char *arg)
2037 show_value_unit = 1;
2038 use_value_prefix = 1;
2039 use_byte_value_binary_prefix = 1;
2040 use_value_sexagesimal_format = 1;
2044 static int opt_show_versions(const char *opt, const char *arg)
2046 do_show_program_version = 1;
2047 do_show_library_versions = 1;
2051 static const OptionDef real_options[] = {
2052 #include "cmdutils_common_opts.h"
2053 { "f", HAS_ARG, {.func_arg = opt_format}, "force format", "format" },
2054 { "unit", OPT_BOOL, {&show_value_unit}, "show unit of the displayed values" },
2055 { "prefix", OPT_BOOL, {&use_value_prefix}, "use SI prefixes for the displayed values" },
2056 { "byte_binary_prefix", OPT_BOOL, {&use_byte_value_binary_prefix},
2057 "use binary prefixes for byte units" },
2058 { "sexagesimal", OPT_BOOL, {&use_value_sexagesimal_format},
2059 "use sexagesimal format HOURS:MM:SS.MICROSECONDS for time units" },
2060 { "pretty", 0, {.func_arg = opt_pretty},
2061 "prettify the format of displayed values, make it more human readable" },
2062 { "print_format", OPT_STRING | HAS_ARG, {(void*)&print_format},
2063 "set the output printing format (available formats are: default, compact, csv, flat, ini, json, xml)", "format" },
2064 { "of", OPT_STRING | HAS_ARG, {(void*)&print_format}, "alias for -print_format", "format" },
2065 { "show_data", OPT_BOOL, {(void*)&do_show_data}, "show packets data" },
2066 { "show_error", OPT_BOOL, {(void*)&do_show_error} , "show probing error" },
2067 { "show_format", OPT_BOOL, {&do_show_format} , "show format/container info" },
2068 { "show_frames", OPT_BOOL, {(void*)&do_show_frames} , "show frames info" },
2069 { "show_format_entry", HAS_ARG, {.func_arg = opt_show_format_entry},
2070 "show a particular entry from the format/container info", "entry" },
2071 { "show_packets", OPT_BOOL, {&do_show_packets}, "show packets info" },
2072 { "show_streams", OPT_BOOL, {&do_show_streams}, "show streams info" },
2073 { "count_frames", OPT_BOOL, {(void*)&do_count_frames}, "count the number of frames per stream" },
2074 { "count_packets", OPT_BOOL, {(void*)&do_count_packets}, "count the number of packets per stream" },
2075 { "show_program_version", OPT_BOOL, {(void*)&do_show_program_version}, "show ffprobe version" },
2076 { "show_library_versions", OPT_BOOL, {(void*)&do_show_library_versions}, "show library versions" },
2077 { "show_versions", 0, {(void*)&opt_show_versions}, "show program and library versions" },
2078 { "show_private_data", OPT_BOOL, {(void*)&show_private_data}, "show private data" },
2079 { "private", OPT_BOOL, {(void*)&show_private_data}, "same as show_private_data" },
2080 { "bitexact", OPT_BOOL, {&do_bitexact}, "force bitexact output" },
2081 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {.func_arg = opt_default}, "generic catch all option", "" },
2082 { "i", HAS_ARG, {.func_arg = opt_input_file_i}, "read specified file", "input_file"},
2086 int main(int argc, char **argv)
2089 WriterContext *wctx;
2091 char *w_name = NULL, *w_args = NULL;
2094 av_log_set_flags(AV_LOG_SKIP_REPEATED);
2095 atexit(exit_program);
2097 options = real_options;
2098 parse_loglevel(argc, argv, options);
2100 avformat_network_init();
2103 avdevice_register_all();
2106 show_banner(argc, argv, options);
2107 parse_options(NULL, argc, argv, options, opt_input_file);
2109 if (do_bitexact && (do_show_program_version || do_show_library_versions)) {
2110 av_log(NULL, AV_LOG_ERROR,
2111 "-bitexact and -show_program_version or -show_library_versions "
2112 "options are incompatible\n");
2113 ret = AVERROR(EINVAL);
2117 writer_register_all();
2120 print_format = av_strdup("default");
2121 w_name = av_strtok(print_format, "=", &buf);
2124 w = writer_get_by_name(w_name);
2126 av_log(NULL, AV_LOG_ERROR, "Unknown output format with name '%s'\n", w_name);
2127 ret = AVERROR(EINVAL);
2131 if ((ret = writer_open(&wctx, w, w_args,
2132 sections, FF_ARRAY_ELEMS(sections))) >= 0) {
2133 writer_print_section_header(wctx, SECTION_ID_ROOT);
2135 if (do_show_program_version)
2136 ffprobe_show_program_version(wctx);
2137 if (do_show_library_versions)
2138 ffprobe_show_library_versions(wctx);
2140 if (!input_filename &&
2141 ((do_show_format || do_show_streams || do_show_packets || do_show_error) ||
2142 (!do_show_program_version && !do_show_library_versions))) {
2144 av_log(NULL, AV_LOG_ERROR, "You have to specify one input file.\n");
2145 av_log(NULL, AV_LOG_ERROR, "Use -h to get full help or, even better, run 'man %s'.\n", program_name);
2146 ret = AVERROR(EINVAL);
2147 } else if (input_filename) {
2148 ret = probe_file(wctx, input_filename);
2149 if (ret < 0 && do_show_error)
2150 show_error(wctx, ret);
2153 writer_print_section_footer(wctx);
2154 writer_close(&wctx);
2158 av_freep(&print_format);
2161 av_dict_free(&fmt_entries_to_show);
2163 avformat_network_deinit();