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
27 #include "libavutil/ffversion.h"
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/parseutils.h"
41 #include "libavutil/timecode.h"
42 #include "libavutil/timestamp.h"
43 #include "libavdevice/avdevice.h"
44 #include "libswscale/swscale.h"
45 #include "libswresample/swresample.h"
46 #include "libpostproc/postprocess.h"
49 const char program_name[] = "ffprobe";
50 const int program_birth_year = 2007;
52 static int do_bitexact = 0;
53 static int do_count_frames = 0;
54 static int do_count_packets = 0;
55 static int do_read_frames = 0;
56 static int do_read_packets = 0;
57 static int do_show_chapters = 0;
58 static int do_show_error = 0;
59 static int do_show_format = 0;
60 static int do_show_frames = 0;
61 static int do_show_packets = 0;
62 static int do_show_programs = 0;
63 static int do_show_streams = 0;
64 static int do_show_stream_disposition = 0;
65 static int do_show_data = 0;
66 static int do_show_program_version = 0;
67 static int do_show_library_versions = 0;
69 static int do_show_chapter_tags = 0;
70 static int do_show_format_tags = 0;
71 static int do_show_frame_tags = 0;
72 static int do_show_program_tags = 0;
73 static int do_show_stream_tags = 0;
75 static int show_value_unit = 0;
76 static int use_value_prefix = 0;
77 static int use_byte_value_binary_prefix = 0;
78 static int use_value_sexagesimal_format = 0;
79 static int show_private_data = 1;
81 static char *print_format;
82 static char *stream_specifier;
85 int id; ///< identifier
86 int64_t start, end; ///< start, end in second/AV_TIME_BASE units
87 int has_start, has_end;
88 int start_is_offset, end_is_offset;
92 static ReadInterval *read_intervals;
93 static int read_intervals_nb = 0;
95 /* section structure definition */
97 #define SECTION_MAX_NB_CHILDREN 10
100 int id; ///< unique id identifying a section
103 #define SECTION_FLAG_IS_WRAPPER 1 ///< the section only contains other sections, but has no data at its own level
104 #define SECTION_FLAG_IS_ARRAY 2 ///< the section contains an array of elements of the same type
105 #define SECTION_FLAG_HAS_VARIABLE_FIELDS 4 ///< the section may contain a variable number of fields with variable keys.
106 /// For these sections the element_name field is mandatory.
108 int children_ids[SECTION_MAX_NB_CHILDREN+1]; ///< list of children section IDS, terminated by -1
109 const char *element_name; ///< name of the contained element, if provided
110 const char *unique_name; ///< unique section name, in case the name is ambiguous
111 AVDictionary *entries_to_show;
112 int show_all_entries;
116 SECTION_ID_NONE = -1,
118 SECTION_ID_CHAPTER_TAGS,
122 SECTION_ID_FORMAT_TAGS,
125 SECTION_ID_FRAME_TAGS,
126 SECTION_ID_LIBRARY_VERSION,
127 SECTION_ID_LIBRARY_VERSIONS,
130 SECTION_ID_PACKETS_AND_FRAMES,
131 SECTION_ID_PROGRAM_STREAM_DISPOSITION,
132 SECTION_ID_PROGRAM_STREAM_TAGS,
134 SECTION_ID_PROGRAM_STREAMS,
135 SECTION_ID_PROGRAM_STREAM,
136 SECTION_ID_PROGRAM_TAGS,
137 SECTION_ID_PROGRAM_VERSION,
141 SECTION_ID_STREAM_DISPOSITION,
143 SECTION_ID_STREAM_TAGS,
147 static struct section sections[] = {
148 [SECTION_ID_CHAPTERS] = { SECTION_ID_CHAPTERS, "chapters", SECTION_FLAG_IS_ARRAY, { SECTION_ID_CHAPTER, -1 } },
149 [SECTION_ID_CHAPTER] = { SECTION_ID_CHAPTER, "chapter", 0, { SECTION_ID_CHAPTER_TAGS, -1 } },
150 [SECTION_ID_CHAPTER_TAGS] = { SECTION_ID_CHAPTER_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "chapter_tags" },
151 [SECTION_ID_ERROR] = { SECTION_ID_ERROR, "error", 0, { -1 } },
152 [SECTION_ID_FORMAT] = { SECTION_ID_FORMAT, "format", 0, { SECTION_ID_FORMAT_TAGS, -1 } },
153 [SECTION_ID_FORMAT_TAGS] = { SECTION_ID_FORMAT_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "format_tags" },
154 [SECTION_ID_FRAMES] = { SECTION_ID_FRAMES, "frames", SECTION_FLAG_IS_ARRAY, { SECTION_ID_FRAME, SECTION_ID_SUBTITLE, -1 } },
155 [SECTION_ID_FRAME] = { SECTION_ID_FRAME, "frame", 0, { SECTION_ID_FRAME_TAGS, -1 } },
156 [SECTION_ID_FRAME_TAGS] = { SECTION_ID_FRAME_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "frame_tags" },
157 [SECTION_ID_LIBRARY_VERSIONS] = { SECTION_ID_LIBRARY_VERSIONS, "library_versions", SECTION_FLAG_IS_ARRAY, { SECTION_ID_LIBRARY_VERSION, -1 } },
158 [SECTION_ID_LIBRARY_VERSION] = { SECTION_ID_LIBRARY_VERSION, "library_version", 0, { -1 } },
159 [SECTION_ID_PACKETS] = { SECTION_ID_PACKETS, "packets", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PACKET, -1} },
160 [SECTION_ID_PACKETS_AND_FRAMES] = { SECTION_ID_PACKETS_AND_FRAMES, "packets_and_frames", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PACKET, -1} },
161 [SECTION_ID_PACKET] = { SECTION_ID_PACKET, "packet", 0, { -1 } },
162 [SECTION_ID_PROGRAM_STREAM_DISPOSITION] = { SECTION_ID_PROGRAM_STREAM_DISPOSITION, "disposition", 0, { -1 }, .unique_name = "program_stream_disposition" },
163 [SECTION_ID_PROGRAM_STREAM_TAGS] = { SECTION_ID_PROGRAM_STREAM_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "program_stream_tags" },
164 [SECTION_ID_PROGRAM] = { SECTION_ID_PROGRAM, "program", 0, { SECTION_ID_PROGRAM_TAGS, SECTION_ID_PROGRAM_STREAMS, -1 } },
165 [SECTION_ID_PROGRAM_STREAMS] = { SECTION_ID_PROGRAM_STREAMS, "streams", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PROGRAM_STREAM, -1 }, .unique_name = "program_streams" },
166 [SECTION_ID_PROGRAM_STREAM] = { SECTION_ID_PROGRAM_STREAM, "stream", 0, { SECTION_ID_PROGRAM_STREAM_DISPOSITION, SECTION_ID_PROGRAM_STREAM_TAGS, -1 }, .unique_name = "program_stream" },
167 [SECTION_ID_PROGRAM_TAGS] = { SECTION_ID_PROGRAM_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "program_tags" },
168 [SECTION_ID_PROGRAM_VERSION] = { SECTION_ID_PROGRAM_VERSION, "program_version", 0, { -1 } },
169 [SECTION_ID_PROGRAMS] = { SECTION_ID_PROGRAMS, "programs", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PROGRAM, -1 } },
170 [SECTION_ID_ROOT] = { SECTION_ID_ROOT, "root", SECTION_FLAG_IS_WRAPPER,
171 { SECTION_ID_CHAPTERS, SECTION_ID_FORMAT, SECTION_ID_FRAMES, SECTION_ID_PROGRAMS, SECTION_ID_STREAMS,
172 SECTION_ID_PACKETS, SECTION_ID_ERROR, SECTION_ID_PROGRAM_VERSION, SECTION_ID_LIBRARY_VERSIONS, -1} },
173 [SECTION_ID_STREAMS] = { SECTION_ID_STREAMS, "streams", SECTION_FLAG_IS_ARRAY, { SECTION_ID_STREAM, -1 } },
174 [SECTION_ID_STREAM] = { SECTION_ID_STREAM, "stream", 0, { SECTION_ID_STREAM_DISPOSITION, SECTION_ID_STREAM_TAGS, -1 } },
175 [SECTION_ID_STREAM_DISPOSITION] = { SECTION_ID_STREAM_DISPOSITION, "disposition", 0, { -1 }, .unique_name = "stream_disposition" },
176 [SECTION_ID_STREAM_TAGS] = { SECTION_ID_STREAM_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "stream_tags" },
177 [SECTION_ID_SUBTITLE] = { SECTION_ID_SUBTITLE, "subtitle", 0, { -1 } },
180 static const OptionDef *options;
182 /* FFprobe context */
183 static const char *input_filename;
184 static AVInputFormat *iformat = NULL;
186 static const char *const binary_unit_prefixes [] = { "", "Ki", "Mi", "Gi", "Ti", "Pi" };
187 static const char *const decimal_unit_prefixes[] = { "", "K" , "M" , "G" , "T" , "P" };
189 static const char unit_second_str[] = "s" ;
190 static const char unit_hertz_str[] = "Hz" ;
191 static const char unit_byte_str[] = "byte" ;
192 static const char unit_bit_per_second_str[] = "bit/s";
194 static uint64_t *nb_streams_packets;
195 static uint64_t *nb_streams_frames;
196 static int *selected_streams;
198 static void ffprobe_cleanup(int ret)
201 for (i = 0; i < FF_ARRAY_ELEMS(sections); i++)
202 av_dict_free(&(sections[i].entries_to_show));
206 union { double d; long long int i; } val;
210 static char *value_string(char *buf, int buf_size, struct unit_value uv)
216 if (uv.unit == unit_second_str) {
220 vald = vali = uv.val.i;
223 if (uv.unit == unit_second_str && use_value_sexagesimal_format) {
227 mins = (int)secs / 60;
228 secs = secs - mins * 60;
231 snprintf(buf, buf_size, "%d:%02d:%09.6f", hours, mins, secs);
233 const char *prefix_string = "";
235 if (use_value_prefix && vald > 1) {
238 if (uv.unit == unit_byte_str && use_byte_value_binary_prefix) {
239 index = (long long int) (log2(vald)) / 10;
240 index = av_clip(index, 0, FF_ARRAY_ELEMS(binary_unit_prefixes) - 1);
241 vald /= exp2(index * 10);
242 prefix_string = binary_unit_prefixes[index];
244 index = (long long int) (log10(vald)) / 3;
245 index = av_clip(index, 0, FF_ARRAY_ELEMS(decimal_unit_prefixes) - 1);
246 vald /= pow(10, index * 3);
247 prefix_string = decimal_unit_prefixes[index];
251 if (show_float || (use_value_prefix && vald != (long long int)vald))
252 snprintf(buf, buf_size, "%f", vald);
254 snprintf(buf, buf_size, "%lld", vali);
255 av_strlcatf(buf, buf_size, "%s%s%s", *prefix_string || show_value_unit ? " " : "",
256 prefix_string, show_value_unit ? uv.unit : "");
264 typedef struct WriterContext WriterContext;
266 #define WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS 1
267 #define WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER 2
270 WRITER_STRING_VALIDATION_FAIL,
271 WRITER_STRING_VALIDATION_REPLACE,
272 WRITER_STRING_VALIDATION_IGNORE,
273 WRITER_STRING_VALIDATION_NB
276 typedef struct Writer {
277 const AVClass *priv_class; ///< private class of the writer, if any
278 int priv_size; ///< private size for the writer context
281 int (*init) (WriterContext *wctx);
282 void (*uninit)(WriterContext *wctx);
284 void (*print_section_header)(WriterContext *wctx);
285 void (*print_section_footer)(WriterContext *wctx);
286 void (*print_integer) (WriterContext *wctx, const char *, long long int);
287 void (*print_rational) (WriterContext *wctx, AVRational *q, char *sep);
288 void (*print_string) (WriterContext *wctx, const char *, const char *);
289 int flags; ///< a combination or WRITER_FLAG_*
292 #define SECTION_MAX_NB_LEVELS 10
294 struct WriterContext {
295 const AVClass *class; ///< class of the writer
296 const Writer *writer; ///< the Writer of which this is an instance
297 char *name; ///< name of this writer instance
298 void *priv; ///< private data for use by the filter
300 const struct section *sections; ///< array containing all sections
301 int nb_sections; ///< number of sections
303 int level; ///< current level, starting from 0
305 /** number of the item printed in the given section, starting from 0 */
306 unsigned int nb_item[SECTION_MAX_NB_LEVELS];
308 /** section per each level */
309 const struct section *section[SECTION_MAX_NB_LEVELS];
310 AVBPrint section_pbuf[SECTION_MAX_NB_LEVELS]; ///< generic print buffer dedicated to each section,
311 /// used by various writers
313 unsigned int nb_section_packet; ///< number of the packet section in case we are in "packets_and_frames" section
314 unsigned int nb_section_frame; ///< number of the frame section in case we are in "packets_and_frames" section
315 unsigned int nb_section_packet_frame; ///< nb_section_packet or nb_section_frame according if is_packets_and_frames
317 StringValidation string_validation;
318 char *string_validation_replacement;
319 unsigned int string_validation_utf8_flags;
322 static const char *writer_get_name(void *p)
324 WriterContext *wctx = p;
325 return wctx->writer->name;
328 #define OFFSET(x) offsetof(WriterContext, x)
330 static const AVOption writer_options[] = {
331 { "string_validation", "set string validation mode",
332 OFFSET(string_validation), AV_OPT_TYPE_INT, {.i64=WRITER_STRING_VALIDATION_REPLACE}, 0, WRITER_STRING_VALIDATION_NB-1, .unit = "sv" },
333 { "sv", "set string validation mode",
334 OFFSET(string_validation), AV_OPT_TYPE_INT, {.i64=WRITER_STRING_VALIDATION_REPLACE}, 0, WRITER_STRING_VALIDATION_NB-1, .unit = "sv" },
335 { "ignore", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = WRITER_STRING_VALIDATION_IGNORE}, .unit = "sv" },
336 { "replace", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = WRITER_STRING_VALIDATION_REPLACE}, .unit = "sv" },
337 { "fail", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = WRITER_STRING_VALIDATION_FAIL}, .unit = "sv" },
338 { "string_validation_replacement", "set string validation replacement string", OFFSET(string_validation_replacement), AV_OPT_TYPE_STRING, {.str=""}},
339 { "svr", "set string validation replacement string", OFFSET(string_validation_replacement), AV_OPT_TYPE_STRING, {.str=""}},
343 static void *writer_child_next(void *obj, void *prev)
345 WriterContext *ctx = obj;
346 if (!prev && ctx->writer && ctx->writer->priv_class && ctx->priv)
351 static const AVClass writer_class = {
352 .class_name = "Writer",
353 .item_name = writer_get_name,
354 .option = writer_options,
355 .version = LIBAVUTIL_VERSION_INT,
356 .child_next = writer_child_next,
359 static void writer_close(WriterContext **wctx)
366 if ((*wctx)->writer->uninit)
367 (*wctx)->writer->uninit(*wctx);
368 for (i = 0; i < SECTION_MAX_NB_LEVELS; i++)
369 av_bprint_finalize(&(*wctx)->section_pbuf[i], NULL);
370 if ((*wctx)->writer->priv_class)
371 av_opt_free((*wctx)->priv);
372 av_freep(&((*wctx)->priv));
377 static void bprint_bytes(AVBPrint *bp, const uint8_t *ubuf, size_t ubuf_size)
380 av_bprintf(bp, "0X");
381 for (i = 0; i < ubuf_size; i++)
382 av_bprintf(bp, "%02X", ubuf[i]);
386 static int writer_open(WriterContext **wctx, const Writer *writer, const char *args,
387 const struct section *sections, int nb_sections)
391 if (!(*wctx = av_mallocz(sizeof(WriterContext)))) {
392 ret = AVERROR(ENOMEM);
396 if (!((*wctx)->priv = av_mallocz(writer->priv_size))) {
397 ret = AVERROR(ENOMEM);
401 (*wctx)->class = &writer_class;
402 (*wctx)->writer = writer;
404 (*wctx)->sections = sections;
405 (*wctx)->nb_sections = nb_sections;
407 av_opt_set_defaults(*wctx);
409 if (writer->priv_class) {
410 void *priv_ctx = (*wctx)->priv;
411 *((const AVClass **)priv_ctx) = writer->priv_class;
412 av_opt_set_defaults(priv_ctx);
415 /* convert options to dictionary */
417 AVDictionary *opts = NULL;
418 AVDictionaryEntry *opt = NULL;
420 if ((ret = av_dict_parse_string(&opts, args, "=", ":", 0)) < 0) {
421 av_log(*wctx, AV_LOG_ERROR, "Failed to parse option string '%s' provided to writer context\n", args);
426 while ((opt = av_dict_get(opts, "", opt, AV_DICT_IGNORE_SUFFIX))) {
427 if ((ret = av_opt_set(*wctx, opt->key, opt->value, AV_OPT_SEARCH_CHILDREN)) < 0) {
428 av_log(*wctx, AV_LOG_ERROR, "Failed to set option '%s' with value '%s' provided to writer context\n",
429 opt->key, opt->value);
438 /* validate replace string */
440 const uint8_t *p = (*wctx)->string_validation_replacement;
441 const uint8_t *endp = p + strlen(p);
443 const uint8_t *p0 = p;
445 ret = av_utf8_decode(&code, &p, endp, (*wctx)->string_validation_utf8_flags);
448 av_bprint_init(&bp, 0, AV_BPRINT_SIZE_AUTOMATIC);
449 bprint_bytes(&bp, p0, p-p0),
450 av_log(wctx, AV_LOG_ERROR,
451 "Invalid UTF8 sequence %s found in string validation replace '%s'\n",
452 bp.str, (*wctx)->string_validation_replacement);
458 for (i = 0; i < SECTION_MAX_NB_LEVELS; i++)
459 av_bprint_init(&(*wctx)->section_pbuf[i], 1, AV_BPRINT_SIZE_UNLIMITED);
461 if ((*wctx)->writer->init)
462 ret = (*wctx)->writer->init(*wctx);
473 static inline void writer_print_section_header(WriterContext *wctx,
476 int parent_section_id;
478 av_assert0(wctx->level < SECTION_MAX_NB_LEVELS);
479 parent_section_id = wctx->level ?
480 (wctx->section[wctx->level-1])->id : SECTION_ID_NONE;
482 wctx->nb_item[wctx->level] = 0;
483 wctx->section[wctx->level] = &wctx->sections[section_id];
485 if (section_id == SECTION_ID_PACKETS_AND_FRAMES) {
486 wctx->nb_section_packet = wctx->nb_section_frame =
487 wctx->nb_section_packet_frame = 0;
488 } else if (parent_section_id == SECTION_ID_PACKETS_AND_FRAMES) {
489 wctx->nb_section_packet_frame = section_id == SECTION_ID_PACKET ?
490 wctx->nb_section_packet : wctx->nb_section_frame;
493 if (wctx->writer->print_section_header)
494 wctx->writer->print_section_header(wctx);
497 static inline void writer_print_section_footer(WriterContext *wctx)
499 int section_id = wctx->section[wctx->level]->id;
500 int parent_section_id = wctx->level ?
501 wctx->section[wctx->level-1]->id : SECTION_ID_NONE;
503 if (parent_section_id != SECTION_ID_NONE)
504 wctx->nb_item[wctx->level-1]++;
505 if (parent_section_id == SECTION_ID_PACKETS_AND_FRAMES) {
506 if (section_id == SECTION_ID_PACKET) wctx->nb_section_packet++;
507 else wctx->nb_section_frame++;
509 if (wctx->writer->print_section_footer)
510 wctx->writer->print_section_footer(wctx);
514 static inline void writer_print_integer(WriterContext *wctx,
515 const char *key, long long int val)
517 const struct section *section = wctx->section[wctx->level];
519 if (section->show_all_entries || av_dict_get(section->entries_to_show, key, NULL, 0)) {
520 wctx->writer->print_integer(wctx, key, val);
521 wctx->nb_item[wctx->level]++;
525 static inline int validate_string(WriterContext *wctx, char **dstp, const char *src)
527 const uint8_t *p, *endp;
529 int invalid_chars_nb = 0, ret = 0;
531 av_bprint_init(&dstbuf, 0, AV_BPRINT_SIZE_UNLIMITED);
533 endp = src + strlen(src);
534 for (p = (uint8_t *)src; *p;) {
537 const uint8_t *p0 = p;
539 if (av_utf8_decode(&code, &p, endp, wctx->string_validation_utf8_flags) < 0) {
541 av_bprint_init(&bp, 0, AV_BPRINT_SIZE_AUTOMATIC);
542 bprint_bytes(&bp, p0, p-p0);
543 av_log(wctx, AV_LOG_DEBUG,
544 "Invalid UTF-8 sequence %s found in string '%s'\n", bp.str, src);
551 switch (wctx->string_validation) {
552 case WRITER_STRING_VALIDATION_FAIL:
553 av_log(wctx, AV_LOG_ERROR,
554 "Invalid UTF-8 sequence found in string '%s'\n", src);
555 ret = AVERROR_INVALIDDATA;
559 case WRITER_STRING_VALIDATION_REPLACE:
560 av_bprintf(&dstbuf, "%s", wctx->string_validation_replacement);
565 if (!invalid || wctx->string_validation == WRITER_STRING_VALIDATION_IGNORE)
566 av_bprint_append_data(&dstbuf, p0, p-p0);
569 if (invalid_chars_nb && wctx->string_validation == WRITER_STRING_VALIDATION_REPLACE) {
570 av_log(wctx, AV_LOG_WARNING,
571 "%d invalid UTF-8 sequence(s) found in string '%s', replaced with '%s'\n",
572 invalid_chars_nb, src, wctx->string_validation_replacement);
576 av_bprint_finalize(&dstbuf, dstp);
580 #define PRINT_STRING_OPT 1
581 #define PRINT_STRING_VALIDATE 2
583 static inline int writer_print_string(WriterContext *wctx,
584 const char *key, const char *val, int flags)
586 const struct section *section = wctx->section[wctx->level];
589 if ((flags & PRINT_STRING_OPT)
590 && !(wctx->writer->flags & WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS))
593 if (section->show_all_entries || av_dict_get(section->entries_to_show, key, NULL, 0)) {
594 if (flags & PRINT_STRING_VALIDATE) {
595 char *key1 = NULL, *val1 = NULL;
596 ret = validate_string(wctx, &key1, key);
597 if (ret < 0) goto end;
598 ret = validate_string(wctx, &val1, val);
599 if (ret < 0) goto end;
600 wctx->writer->print_string(wctx, key1, val1);
603 av_log(wctx, AV_LOG_ERROR,
604 "Invalid key=value string combination %s=%s in section %s\n",
605 key, val, section->unique_name);
610 wctx->writer->print_string(wctx, key, val);
613 wctx->nb_item[wctx->level]++;
619 static inline void writer_print_rational(WriterContext *wctx,
620 const char *key, AVRational q, char sep)
623 av_bprint_init(&buf, 0, AV_BPRINT_SIZE_AUTOMATIC);
624 av_bprintf(&buf, "%d%c%d", q.num, sep, q.den);
625 writer_print_string(wctx, key, buf.str, 0);
628 static void writer_print_time(WriterContext *wctx, const char *key,
629 int64_t ts, const AVRational *time_base, int is_duration)
633 if ((!is_duration && ts == AV_NOPTS_VALUE) || (is_duration && ts == 0)) {
634 writer_print_string(wctx, key, "N/A", PRINT_STRING_OPT);
636 double d = ts * av_q2d(*time_base);
637 struct unit_value uv;
639 uv.unit = unit_second_str;
640 value_string(buf, sizeof(buf), uv);
641 writer_print_string(wctx, key, buf, 0);
645 static void writer_print_ts(WriterContext *wctx, const char *key, int64_t ts, int is_duration)
647 if ((!is_duration && ts == AV_NOPTS_VALUE) || (is_duration && ts == 0)) {
648 writer_print_string(wctx, key, "N/A", PRINT_STRING_OPT);
650 writer_print_integer(wctx, key, ts);
654 static void writer_print_data(WriterContext *wctx, const char *name,
655 uint8_t *data, int size)
658 int offset = 0, l, i;
660 av_bprint_init(&bp, 0, AV_BPRINT_SIZE_UNLIMITED);
661 av_bprintf(&bp, "\n");
663 av_bprintf(&bp, "%08x: ", offset);
665 for (i = 0; i < l; i++) {
666 av_bprintf(&bp, "%02x", data[i]);
668 av_bprintf(&bp, " ");
670 av_bprint_chars(&bp, ' ', 41 - 2 * i - i / 2);
671 for (i = 0; i < l; i++)
672 av_bprint_chars(&bp, data[i] - 32U < 95 ? data[i] : '.', 1);
673 av_bprintf(&bp, "\n");
678 writer_print_string(wctx, name, bp.str, 0);
679 av_bprint_finalize(&bp, NULL);
682 #define MAX_REGISTERED_WRITERS_NB 64
684 static const Writer *registered_writers[MAX_REGISTERED_WRITERS_NB + 1];
686 static int writer_register(const Writer *writer)
688 static int next_registered_writer_idx = 0;
690 if (next_registered_writer_idx == MAX_REGISTERED_WRITERS_NB)
691 return AVERROR(ENOMEM);
693 registered_writers[next_registered_writer_idx++] = writer;
697 static const Writer *writer_get_by_name(const char *name)
701 for (i = 0; registered_writers[i]; i++)
702 if (!strcmp(registered_writers[i]->name, name))
703 return registered_writers[i];
711 #define DEFINE_WRITER_CLASS(name) \
712 static const char *name##_get_name(void *ctx) \
716 static const AVClass name##_class = { \
717 .class_name = #name, \
718 .item_name = name##_get_name, \
719 .option = name##_options \
724 typedef struct DefaultContext {
725 const AVClass *class;
727 int noprint_wrappers;
728 int nested_section[SECTION_MAX_NB_LEVELS];
732 #define OFFSET(x) offsetof(DefaultContext, x)
734 static const AVOption default_options[] = {
735 { "noprint_wrappers", "do not print headers and footers", OFFSET(noprint_wrappers), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
736 { "nw", "do not print headers and footers", OFFSET(noprint_wrappers), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
737 { "nokey", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
738 { "nk", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
742 DEFINE_WRITER_CLASS(default);
744 /* lame uppercasing routine, assumes the string is lower case ASCII */
745 static inline char *upcase_string(char *dst, size_t dst_size, const char *src)
748 for (i = 0; src[i] && i < dst_size-1; i++)
749 dst[i] = av_toupper(src[i]);
754 static void default_print_section_header(WriterContext *wctx)
756 DefaultContext *def = wctx->priv;
758 const struct section *section = wctx->section[wctx->level];
759 const struct section *parent_section = wctx->level ?
760 wctx->section[wctx->level-1] : NULL;
762 av_bprint_clear(&wctx->section_pbuf[wctx->level]);
763 if (parent_section &&
764 !(parent_section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY))) {
765 def->nested_section[wctx->level] = 1;
766 av_bprintf(&wctx->section_pbuf[wctx->level], "%s%s:",
767 wctx->section_pbuf[wctx->level-1].str,
768 upcase_string(buf, sizeof(buf),
769 av_x_if_null(section->element_name, section->name)));
772 if (def->noprint_wrappers || def->nested_section[wctx->level])
775 if (!(section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY)))
776 printf("[%s]\n", upcase_string(buf, sizeof(buf), section->name));
779 static void default_print_section_footer(WriterContext *wctx)
781 DefaultContext *def = wctx->priv;
782 const struct section *section = wctx->section[wctx->level];
785 if (def->noprint_wrappers || def->nested_section[wctx->level])
788 if (!(section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY)))
789 printf("[/%s]\n", upcase_string(buf, sizeof(buf), section->name));
792 static void default_print_str(WriterContext *wctx, const char *key, const char *value)
794 DefaultContext *def = wctx->priv;
797 printf("%s%s=", wctx->section_pbuf[wctx->level].str, key);
798 printf("%s\n", value);
801 static void default_print_int(WriterContext *wctx, const char *key, long long int value)
803 DefaultContext *def = wctx->priv;
806 printf("%s%s=", wctx->section_pbuf[wctx->level].str, key);
807 printf("%lld\n", value);
810 static const Writer default_writer = {
812 .priv_size = sizeof(DefaultContext),
813 .print_section_header = default_print_section_header,
814 .print_section_footer = default_print_section_footer,
815 .print_integer = default_print_int,
816 .print_string = default_print_str,
817 .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS,
818 .priv_class = &default_class,
824 * Apply C-language-like string escaping.
826 static const char *c_escape_str(AVBPrint *dst, const char *src, const char sep, void *log_ctx)
830 for (p = src; *p; p++) {
832 case '\b': av_bprintf(dst, "%s", "\\b"); break;
833 case '\f': av_bprintf(dst, "%s", "\\f"); break;
834 case '\n': av_bprintf(dst, "%s", "\\n"); break;
835 case '\r': av_bprintf(dst, "%s", "\\r"); break;
836 case '\\': av_bprintf(dst, "%s", "\\\\"); break;
839 av_bprint_chars(dst, '\\', 1);
840 av_bprint_chars(dst, *p, 1);
847 * Quote fields containing special characters, check RFC4180.
849 static const char *csv_escape_str(AVBPrint *dst, const char *src, const char sep, void *log_ctx)
851 char meta_chars[] = { sep, '"', '\n', '\r', '\0' };
852 int needs_quoting = !!src[strcspn(src, meta_chars)];
855 av_bprint_chars(dst, '"', 1);
857 for (; *src; src++) {
859 av_bprint_chars(dst, '"', 1);
860 av_bprint_chars(dst, *src, 1);
863 av_bprint_chars(dst, '"', 1);
867 static const char *none_escape_str(AVBPrint *dst, const char *src, const char sep, void *log_ctx)
872 typedef struct CompactContext {
873 const AVClass *class;
878 char *escape_mode_str;
879 const char * (*escape_str)(AVBPrint *dst, const char *src, const char sep, void *log_ctx);
880 int nested_section[SECTION_MAX_NB_LEVELS];
881 int has_nested_elems[SECTION_MAX_NB_LEVELS];
882 int terminate_line[SECTION_MAX_NB_LEVELS];
886 #define OFFSET(x) offsetof(CompactContext, x)
888 static const AVOption compact_options[]= {
889 {"item_sep", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str="|"}, CHAR_MIN, CHAR_MAX },
890 {"s", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str="|"}, CHAR_MIN, CHAR_MAX },
891 {"nokey", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
892 {"nk", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
893 {"escape", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="c"}, CHAR_MIN, CHAR_MAX },
894 {"e", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="c"}, CHAR_MIN, CHAR_MAX },
895 {"print_section", "print section name", OFFSET(print_section), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
896 {"p", "print section name", OFFSET(print_section), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
900 DEFINE_WRITER_CLASS(compact);
902 static av_cold int compact_init(WriterContext *wctx)
904 CompactContext *compact = wctx->priv;
906 if (strlen(compact->item_sep_str) != 1) {
907 av_log(wctx, AV_LOG_ERROR, "Item separator '%s' specified, but must contain a single character\n",
908 compact->item_sep_str);
909 return AVERROR(EINVAL);
911 compact->item_sep = compact->item_sep_str[0];
913 if (!strcmp(compact->escape_mode_str, "none")) compact->escape_str = none_escape_str;
914 else if (!strcmp(compact->escape_mode_str, "c" )) compact->escape_str = c_escape_str;
915 else if (!strcmp(compact->escape_mode_str, "csv" )) compact->escape_str = csv_escape_str;
917 av_log(wctx, AV_LOG_ERROR, "Unknown escape mode '%s'\n", compact->escape_mode_str);
918 return AVERROR(EINVAL);
924 static void compact_print_section_header(WriterContext *wctx)
926 CompactContext *compact = wctx->priv;
927 const struct section *section = wctx->section[wctx->level];
928 const struct section *parent_section = wctx->level ?
929 wctx->section[wctx->level-1] : NULL;
930 compact->terminate_line[wctx->level] = 1;
931 compact->has_nested_elems[wctx->level] = 0;
933 av_bprint_clear(&wctx->section_pbuf[wctx->level]);
934 if (!(section->flags & SECTION_FLAG_IS_ARRAY) && parent_section &&
935 !(parent_section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY))) {
936 compact->nested_section[wctx->level] = 1;
937 compact->has_nested_elems[wctx->level-1] = 1;
938 av_bprintf(&wctx->section_pbuf[wctx->level], "%s%s:",
939 wctx->section_pbuf[wctx->level-1].str,
940 (char *)av_x_if_null(section->element_name, section->name));
941 wctx->nb_item[wctx->level] = wctx->nb_item[wctx->level-1];
943 if (parent_section && compact->has_nested_elems[wctx->level-1] &&
944 (section->flags & SECTION_FLAG_IS_ARRAY)) {
945 compact->terminate_line[wctx->level-1] = 0;
948 if (compact->print_section &&
949 !(section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY)))
950 printf("%s%c", section->name, compact->item_sep);
954 static void compact_print_section_footer(WriterContext *wctx)
956 CompactContext *compact = wctx->priv;
958 if (!compact->nested_section[wctx->level] &&
959 compact->terminate_line[wctx->level] &&
960 !(wctx->section[wctx->level]->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY)))
964 static void compact_print_str(WriterContext *wctx, const char *key, const char *value)
966 CompactContext *compact = wctx->priv;
969 if (wctx->nb_item[wctx->level]) printf("%c", compact->item_sep);
971 printf("%s%s=", wctx->section_pbuf[wctx->level].str, key);
972 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
973 printf("%s", compact->escape_str(&buf, value, compact->item_sep, wctx));
974 av_bprint_finalize(&buf, NULL);
977 static void compact_print_int(WriterContext *wctx, const char *key, long long int value)
979 CompactContext *compact = wctx->priv;
981 if (wctx->nb_item[wctx->level]) printf("%c", compact->item_sep);
983 printf("%s%s=", wctx->section_pbuf[wctx->level].str, key);
984 printf("%lld", value);
987 static const Writer compact_writer = {
989 .priv_size = sizeof(CompactContext),
990 .init = compact_init,
991 .print_section_header = compact_print_section_header,
992 .print_section_footer = compact_print_section_footer,
993 .print_integer = compact_print_int,
994 .print_string = compact_print_str,
995 .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS,
996 .priv_class = &compact_class,
1002 #define OFFSET(x) offsetof(CompactContext, x)
1004 static const AVOption csv_options[] = {
1005 {"item_sep", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str=","}, CHAR_MIN, CHAR_MAX },
1006 {"s", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str=","}, CHAR_MIN, CHAR_MAX },
1007 {"nokey", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
1008 {"nk", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
1009 {"escape", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="csv"}, CHAR_MIN, CHAR_MAX },
1010 {"e", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="csv"}, CHAR_MIN, CHAR_MAX },
1011 {"print_section", "print section name", OFFSET(print_section), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
1012 {"p", "print section name", OFFSET(print_section), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
1016 DEFINE_WRITER_CLASS(csv);
1018 static const Writer csv_writer = {
1020 .priv_size = sizeof(CompactContext),
1021 .init = compact_init,
1022 .print_section_header = compact_print_section_header,
1023 .print_section_footer = compact_print_section_footer,
1024 .print_integer = compact_print_int,
1025 .print_string = compact_print_str,
1026 .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS,
1027 .priv_class = &csv_class,
1032 typedef struct FlatContext {
1033 const AVClass *class;
1034 const char *sep_str;
1040 #define OFFSET(x) offsetof(FlatContext, x)
1042 static const AVOption flat_options[]= {
1043 {"sep_char", "set separator", OFFSET(sep_str), AV_OPT_TYPE_STRING, {.str="."}, CHAR_MIN, CHAR_MAX },
1044 {"s", "set separator", OFFSET(sep_str), AV_OPT_TYPE_STRING, {.str="."}, CHAR_MIN, CHAR_MAX },
1045 {"hierarchical", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
1046 {"h", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
1050 DEFINE_WRITER_CLASS(flat);
1052 static av_cold int flat_init(WriterContext *wctx)
1054 FlatContext *flat = wctx->priv;
1056 if (strlen(flat->sep_str) != 1) {
1057 av_log(wctx, AV_LOG_ERROR, "Item separator '%s' specified, but must contain a single character\n",
1059 return AVERROR(EINVAL);
1061 flat->sep = flat->sep_str[0];
1066 static const char *flat_escape_key_str(AVBPrint *dst, const char *src, const char sep)
1070 for (p = src; *p; p++) {
1071 if (!((*p >= '0' && *p <= '9') ||
1072 (*p >= 'a' && *p <= 'z') ||
1073 (*p >= 'A' && *p <= 'Z')))
1074 av_bprint_chars(dst, '_', 1);
1076 av_bprint_chars(dst, *p, 1);
1081 static const char *flat_escape_value_str(AVBPrint *dst, const char *src)
1085 for (p = src; *p; p++) {
1087 case '\n': av_bprintf(dst, "%s", "\\n"); break;
1088 case '\r': av_bprintf(dst, "%s", "\\r"); break;
1089 case '\\': av_bprintf(dst, "%s", "\\\\"); break;
1090 case '"': av_bprintf(dst, "%s", "\\\""); break;
1091 case '`': av_bprintf(dst, "%s", "\\`"); break;
1092 case '$': av_bprintf(dst, "%s", "\\$"); break;
1093 default: av_bprint_chars(dst, *p, 1); break;
1099 static void flat_print_section_header(WriterContext *wctx)
1101 FlatContext *flat = wctx->priv;
1102 AVBPrint *buf = &wctx->section_pbuf[wctx->level];
1103 const struct section *section = wctx->section[wctx->level];
1104 const struct section *parent_section = wctx->level ?
1105 wctx->section[wctx->level-1] : NULL;
1107 /* build section header */
1108 av_bprint_clear(buf);
1109 if (!parent_section)
1111 av_bprintf(buf, "%s", wctx->section_pbuf[wctx->level-1].str);
1113 if (flat->hierarchical ||
1114 !(section->flags & (SECTION_FLAG_IS_ARRAY|SECTION_FLAG_IS_WRAPPER))) {
1115 av_bprintf(buf, "%s%s", wctx->section[wctx->level]->name, flat->sep_str);
1117 if (parent_section->flags & SECTION_FLAG_IS_ARRAY) {
1118 int n = parent_section->id == SECTION_ID_PACKETS_AND_FRAMES ?
1119 wctx->nb_section_packet_frame : wctx->nb_item[wctx->level-1];
1120 av_bprintf(buf, "%d%s", n, flat->sep_str);
1125 static void flat_print_int(WriterContext *wctx, const char *key, long long int value)
1127 printf("%s%s=%lld\n", wctx->section_pbuf[wctx->level].str, key, value);
1130 static void flat_print_str(WriterContext *wctx, const char *key, const char *value)
1132 FlatContext *flat = wctx->priv;
1135 printf("%s", wctx->section_pbuf[wctx->level].str);
1136 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1137 printf("%s=", flat_escape_key_str(&buf, key, flat->sep));
1138 av_bprint_clear(&buf);
1139 printf("\"%s\"\n", flat_escape_value_str(&buf, value));
1140 av_bprint_finalize(&buf, NULL);
1143 static const Writer flat_writer = {
1145 .priv_size = sizeof(FlatContext),
1147 .print_section_header = flat_print_section_header,
1148 .print_integer = flat_print_int,
1149 .print_string = flat_print_str,
1150 .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS|WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,
1151 .priv_class = &flat_class,
1154 /* INI format output */
1157 const AVClass *class;
1162 #define OFFSET(x) offsetof(INIContext, x)
1164 static const AVOption ini_options[] = {
1165 {"hierarchical", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
1166 {"h", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
1170 DEFINE_WRITER_CLASS(ini);
1172 static char *ini_escape_str(AVBPrint *dst, const char *src)
1177 while (c = src[i++]) {
1179 case '\b': av_bprintf(dst, "%s", "\\b"); break;
1180 case '\f': av_bprintf(dst, "%s", "\\f"); break;
1181 case '\n': av_bprintf(dst, "%s", "\\n"); break;
1182 case '\r': av_bprintf(dst, "%s", "\\r"); break;
1183 case '\t': av_bprintf(dst, "%s", "\\t"); break;
1187 case ':' : av_bprint_chars(dst, '\\', 1);
1189 if ((unsigned char)c < 32)
1190 av_bprintf(dst, "\\x00%02x", c & 0xff);
1192 av_bprint_chars(dst, c, 1);
1199 static void ini_print_section_header(WriterContext *wctx)
1201 INIContext *ini = wctx->priv;
1202 AVBPrint *buf = &wctx->section_pbuf[wctx->level];
1203 const struct section *section = wctx->section[wctx->level];
1204 const struct section *parent_section = wctx->level ?
1205 wctx->section[wctx->level-1] : NULL;
1207 av_bprint_clear(buf);
1208 if (!parent_section) {
1209 printf("# ffprobe output\n\n");
1213 if (wctx->nb_item[wctx->level-1])
1216 av_bprintf(buf, "%s", wctx->section_pbuf[wctx->level-1].str);
1217 if (ini->hierarchical ||
1218 !(section->flags & (SECTION_FLAG_IS_ARRAY|SECTION_FLAG_IS_WRAPPER))) {
1219 av_bprintf(buf, "%s%s", buf->str[0] ? "." : "", wctx->section[wctx->level]->name);
1221 if (parent_section->flags & SECTION_FLAG_IS_ARRAY) {
1222 int n = parent_section->id == SECTION_ID_PACKETS_AND_FRAMES ?
1223 wctx->nb_section_packet_frame : wctx->nb_item[wctx->level-1];
1224 av_bprintf(buf, ".%d", n);
1228 if (!(section->flags & (SECTION_FLAG_IS_ARRAY|SECTION_FLAG_IS_WRAPPER)))
1229 printf("[%s]\n", buf->str);
1232 static void ini_print_str(WriterContext *wctx, const char *key, const char *value)
1236 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1237 printf("%s=", ini_escape_str(&buf, key));
1238 av_bprint_clear(&buf);
1239 printf("%s\n", ini_escape_str(&buf, value));
1240 av_bprint_finalize(&buf, NULL);
1243 static void ini_print_int(WriterContext *wctx, const char *key, long long int value)
1245 printf("%s=%lld\n", key, value);
1248 static const Writer ini_writer = {
1250 .priv_size = sizeof(INIContext),
1251 .print_section_header = ini_print_section_header,
1252 .print_integer = ini_print_int,
1253 .print_string = ini_print_str,
1254 .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS|WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,
1255 .priv_class = &ini_class,
1261 const AVClass *class;
1264 const char *item_sep, *item_start_end;
1268 #define OFFSET(x) offsetof(JSONContext, x)
1270 static const AVOption json_options[]= {
1271 { "compact", "enable compact output", OFFSET(compact), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
1272 { "c", "enable compact output", OFFSET(compact), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
1276 DEFINE_WRITER_CLASS(json);
1278 static av_cold int json_init(WriterContext *wctx)
1280 JSONContext *json = wctx->priv;
1282 json->item_sep = json->compact ? ", " : ",\n";
1283 json->item_start_end = json->compact ? " " : "\n";
1288 static const char *json_escape_str(AVBPrint *dst, const char *src, void *log_ctx)
1290 static const char json_escape[] = {'"', '\\', '\b', '\f', '\n', '\r', '\t', 0};
1291 static const char json_subst[] = {'"', '\\', 'b', 'f', 'n', 'r', 't', 0};
1294 for (p = src; *p; p++) {
1295 char *s = strchr(json_escape, *p);
1297 av_bprint_chars(dst, '\\', 1);
1298 av_bprint_chars(dst, json_subst[s - json_escape], 1);
1299 } else if ((unsigned char)*p < 32) {
1300 av_bprintf(dst, "\\u00%02x", *p & 0xff);
1302 av_bprint_chars(dst, *p, 1);
1308 #define JSON_INDENT() printf("%*c", json->indent_level * 4, ' ')
1310 static void json_print_section_header(WriterContext *wctx)
1312 JSONContext *json = wctx->priv;
1314 const struct section *section = wctx->section[wctx->level];
1315 const struct section *parent_section = wctx->level ?
1316 wctx->section[wctx->level-1] : NULL;
1318 if (wctx->level && wctx->nb_item[wctx->level-1])
1321 if (section->flags & SECTION_FLAG_IS_WRAPPER) {
1323 json->indent_level++;
1325 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1326 json_escape_str(&buf, section->name, wctx);
1329 json->indent_level++;
1330 if (section->flags & SECTION_FLAG_IS_ARRAY) {
1331 printf("\"%s\": [\n", buf.str);
1332 } else if (parent_section && !(parent_section->flags & SECTION_FLAG_IS_ARRAY)) {
1333 printf("\"%s\": {%s", buf.str, json->item_start_end);
1335 printf("{%s", json->item_start_end);
1337 /* this is required so the parser can distinguish between packets and frames */
1338 if (parent_section && parent_section->id == SECTION_ID_PACKETS_AND_FRAMES) {
1341 printf("\"type\": \"%s\"%s", section->name, json->item_sep);
1344 av_bprint_finalize(&buf, NULL);
1348 static void json_print_section_footer(WriterContext *wctx)
1350 JSONContext *json = wctx->priv;
1351 const struct section *section = wctx->section[wctx->level];
1353 if (wctx->level == 0) {
1354 json->indent_level--;
1356 } else if (section->flags & SECTION_FLAG_IS_ARRAY) {
1358 json->indent_level--;
1362 printf("%s", json->item_start_end);
1363 json->indent_level--;
1370 static inline void json_print_item_str(WriterContext *wctx,
1371 const char *key, const char *value)
1375 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1376 printf("\"%s\":", json_escape_str(&buf, key, wctx));
1377 av_bprint_clear(&buf);
1378 printf(" \"%s\"", json_escape_str(&buf, value, wctx));
1379 av_bprint_finalize(&buf, NULL);
1382 static void json_print_str(WriterContext *wctx, const char *key, const char *value)
1384 JSONContext *json = wctx->priv;
1386 if (wctx->nb_item[wctx->level])
1387 printf("%s", json->item_sep);
1390 json_print_item_str(wctx, key, value);
1393 static void json_print_int(WriterContext *wctx, const char *key, long long int value)
1395 JSONContext *json = wctx->priv;
1398 if (wctx->nb_item[wctx->level])
1399 printf("%s", json->item_sep);
1403 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1404 printf("\"%s\": %lld", json_escape_str(&buf, key, wctx), value);
1405 av_bprint_finalize(&buf, NULL);
1408 static const Writer json_writer = {
1410 .priv_size = sizeof(JSONContext),
1412 .print_section_header = json_print_section_header,
1413 .print_section_footer = json_print_section_footer,
1414 .print_integer = json_print_int,
1415 .print_string = json_print_str,
1416 .flags = WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,
1417 .priv_class = &json_class,
1423 const AVClass *class;
1426 int fully_qualified;
1431 #define OFFSET(x) offsetof(XMLContext, x)
1433 static const AVOption xml_options[] = {
1434 {"fully_qualified", "specify if the output should be fully qualified", OFFSET(fully_qualified), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
1435 {"q", "specify if the output should be fully qualified", OFFSET(fully_qualified), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
1436 {"xsd_strict", "ensure that the output is XSD compliant", OFFSET(xsd_strict), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
1437 {"x", "ensure that the output is XSD compliant", OFFSET(xsd_strict), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
1441 DEFINE_WRITER_CLASS(xml);
1443 static av_cold int xml_init(WriterContext *wctx)
1445 XMLContext *xml = wctx->priv;
1447 if (xml->xsd_strict) {
1448 xml->fully_qualified = 1;
1449 #define CHECK_COMPLIANCE(opt, opt_name) \
1451 av_log(wctx, AV_LOG_ERROR, \
1452 "XSD-compliant output selected but option '%s' was selected, XML output may be non-compliant.\n" \
1453 "You need to disable such option with '-no%s'\n", opt_name, opt_name); \
1454 return AVERROR(EINVAL); \
1456 CHECK_COMPLIANCE(show_private_data, "private");
1457 CHECK_COMPLIANCE(show_value_unit, "unit");
1458 CHECK_COMPLIANCE(use_value_prefix, "prefix");
1460 if (do_show_frames && do_show_packets) {
1461 av_log(wctx, AV_LOG_ERROR,
1462 "Interleaved frames and packets are not allowed in XSD. "
1463 "Select only one between the -show_frames and the -show_packets options.\n");
1464 return AVERROR(EINVAL);
1471 static const char *xml_escape_str(AVBPrint *dst, const char *src, void *log_ctx)
1475 for (p = src; *p; p++) {
1477 case '&' : av_bprintf(dst, "%s", "&"); break;
1478 case '<' : av_bprintf(dst, "%s", "<"); break;
1479 case '>' : av_bprintf(dst, "%s", ">"); break;
1480 case '"' : av_bprintf(dst, "%s", """); break;
1481 case '\'': av_bprintf(dst, "%s", "'"); break;
1482 default: av_bprint_chars(dst, *p, 1);
1489 #define XML_INDENT() printf("%*c", xml->indent_level * 4, ' ')
1491 static void xml_print_section_header(WriterContext *wctx)
1493 XMLContext *xml = wctx->priv;
1494 const struct section *section = wctx->section[wctx->level];
1495 const struct section *parent_section = wctx->level ?
1496 wctx->section[wctx->level-1] : NULL;
1498 if (wctx->level == 0) {
1499 const char *qual = " xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' "
1500 "xmlns:ffprobe='http://www.ffmpeg.org/schema/ffprobe' "
1501 "xsi:schemaLocation='http://www.ffmpeg.org/schema/ffprobe ffprobe.xsd'";
1503 printf("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");
1504 printf("<%sffprobe%s>\n",
1505 xml->fully_qualified ? "ffprobe:" : "",
1506 xml->fully_qualified ? qual : "");
1510 if (xml->within_tag) {
1511 xml->within_tag = 0;
1514 if (section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS) {
1515 xml->indent_level++;
1517 if (parent_section && (parent_section->flags & SECTION_FLAG_IS_WRAPPER) &&
1518 wctx->level && wctx->nb_item[wctx->level-1])
1520 xml->indent_level++;
1522 if (section->flags & SECTION_FLAG_IS_ARRAY) {
1523 XML_INDENT(); printf("<%s>\n", section->name);
1525 XML_INDENT(); printf("<%s ", section->name);
1526 xml->within_tag = 1;
1531 static void xml_print_section_footer(WriterContext *wctx)
1533 XMLContext *xml = wctx->priv;
1534 const struct section *section = wctx->section[wctx->level];
1536 if (wctx->level == 0) {
1537 printf("</%sffprobe>\n", xml->fully_qualified ? "ffprobe:" : "");
1538 } else if (xml->within_tag) {
1539 xml->within_tag = 0;
1541 xml->indent_level--;
1542 } else if (section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS) {
1543 xml->indent_level--;
1545 XML_INDENT(); printf("</%s>\n", section->name);
1546 xml->indent_level--;
1550 static void xml_print_str(WriterContext *wctx, const char *key, const char *value)
1553 XMLContext *xml = wctx->priv;
1554 const struct section *section = wctx->section[wctx->level];
1556 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1558 if (section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS) {
1560 printf("<%s key=\"%s\"",
1561 section->element_name, xml_escape_str(&buf, key, wctx));
1562 av_bprint_clear(&buf);
1563 printf(" value=\"%s\"/>\n", xml_escape_str(&buf, value, wctx));
1565 if (wctx->nb_item[wctx->level])
1567 printf("%s=\"%s\"", key, xml_escape_str(&buf, value, wctx));
1570 av_bprint_finalize(&buf, NULL);
1573 static void xml_print_int(WriterContext *wctx, const char *key, long long int value)
1575 if (wctx->nb_item[wctx->level])
1577 printf("%s=\"%lld\"", key, value);
1580 static Writer xml_writer = {
1582 .priv_size = sizeof(XMLContext),
1584 .print_section_header = xml_print_section_header,
1585 .print_section_footer = xml_print_section_footer,
1586 .print_integer = xml_print_int,
1587 .print_string = xml_print_str,
1588 .flags = WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,
1589 .priv_class = &xml_class,
1592 static void writer_register_all(void)
1594 static int initialized;
1600 writer_register(&default_writer);
1601 writer_register(&compact_writer);
1602 writer_register(&csv_writer);
1603 writer_register(&flat_writer);
1604 writer_register(&ini_writer);
1605 writer_register(&json_writer);
1606 writer_register(&xml_writer);
1609 #define print_fmt(k, f, ...) do { \
1610 av_bprint_clear(&pbuf); \
1611 av_bprintf(&pbuf, f, __VA_ARGS__); \
1612 writer_print_string(w, k, pbuf.str, 0); \
1615 #define print_int(k, v) writer_print_integer(w, k, v)
1616 #define print_q(k, v, s) writer_print_rational(w, k, v, s)
1617 #define print_str(k, v) writer_print_string(w, k, v, 0)
1618 #define print_str_opt(k, v) writer_print_string(w, k, v, PRINT_STRING_OPT)
1619 #define print_str_validate(k, v) writer_print_string(w, k, v, PRINT_STRING_VALIDATE)
1620 #define print_time(k, v, tb) writer_print_time(w, k, v, tb, 0)
1621 #define print_ts(k, v) writer_print_ts(w, k, v, 0)
1622 #define print_duration_time(k, v, tb) writer_print_time(w, k, v, tb, 1)
1623 #define print_duration_ts(k, v) writer_print_ts(w, k, v, 1)
1624 #define print_val(k, v, u) do { \
1625 struct unit_value uv; \
1628 writer_print_string(w, k, value_string(val_str, sizeof(val_str), uv), 0); \
1631 #define print_section_header(s) writer_print_section_header(w, s)
1632 #define print_section_footer(s) writer_print_section_footer(w, s)
1634 static inline int show_tags(WriterContext *w, AVDictionary *tags, int section_id)
1636 AVDictionaryEntry *tag = NULL;
1641 writer_print_section_header(w, section_id);
1643 while ((tag = av_dict_get(tags, "", tag, AV_DICT_IGNORE_SUFFIX))) {
1644 if ((ret = print_str_validate(tag->key, tag->value)) < 0)
1647 writer_print_section_footer(w);
1652 static void show_packet(WriterContext *w, AVFormatContext *fmt_ctx, AVPacket *pkt, int packet_idx)
1655 AVStream *st = fmt_ctx->streams[pkt->stream_index];
1659 av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
1661 writer_print_section_header(w, SECTION_ID_PACKET);
1663 s = av_get_media_type_string(st->codec->codec_type);
1664 if (s) print_str ("codec_type", s);
1665 else print_str_opt("codec_type", "unknown");
1666 print_int("stream_index", pkt->stream_index);
1667 print_ts ("pts", pkt->pts);
1668 print_time("pts_time", pkt->pts, &st->time_base);
1669 print_ts ("dts", pkt->dts);
1670 print_time("dts_time", pkt->dts, &st->time_base);
1671 print_duration_ts("duration", pkt->duration);
1672 print_duration_time("duration_time", pkt->duration, &st->time_base);
1673 print_duration_ts("convergence_duration", pkt->convergence_duration);
1674 print_duration_time("convergence_duration_time", pkt->convergence_duration, &st->time_base);
1675 print_val("size", pkt->size, unit_byte_str);
1676 if (pkt->pos != -1) print_fmt ("pos", "%"PRId64, pkt->pos);
1677 else print_str_opt("pos", "N/A");
1678 print_fmt("flags", "%c", pkt->flags & AV_PKT_FLAG_KEY ? 'K' : '_');
1680 writer_print_data(w, "data", pkt->data, pkt->size);
1681 writer_print_section_footer(w);
1683 av_bprint_finalize(&pbuf, NULL);
1687 static void show_subtitle(WriterContext *w, AVSubtitle *sub, AVStream *stream,
1688 AVFormatContext *fmt_ctx)
1692 av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
1694 writer_print_section_header(w, SECTION_ID_SUBTITLE);
1696 print_str ("media_type", "subtitle");
1697 print_ts ("pts", sub->pts);
1698 print_time("pts_time", sub->pts, &AV_TIME_BASE_Q);
1699 print_int ("format", sub->format);
1700 print_int ("start_display_time", sub->start_display_time);
1701 print_int ("end_display_time", sub->end_display_time);
1702 print_int ("num_rects", sub->num_rects);
1704 writer_print_section_footer(w);
1706 av_bprint_finalize(&pbuf, NULL);
1710 static void show_frame(WriterContext *w, AVFrame *frame, AVStream *stream,
1711 AVFormatContext *fmt_ctx)
1716 av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
1718 writer_print_section_header(w, SECTION_ID_FRAME);
1720 s = av_get_media_type_string(stream->codec->codec_type);
1721 if (s) print_str ("media_type", s);
1722 else print_str_opt("media_type", "unknown");
1723 print_int("key_frame", frame->key_frame);
1724 print_ts ("pkt_pts", frame->pkt_pts);
1725 print_time("pkt_pts_time", frame->pkt_pts, &stream->time_base);
1726 print_ts ("pkt_dts", frame->pkt_dts);
1727 print_time("pkt_dts_time", frame->pkt_dts, &stream->time_base);
1728 print_ts ("best_effort_timestamp", av_frame_get_best_effort_timestamp(frame));
1729 print_time("best_effort_timestamp_time", av_frame_get_best_effort_timestamp(frame), &stream->time_base);
1730 print_duration_ts ("pkt_duration", av_frame_get_pkt_duration(frame));
1731 print_duration_time("pkt_duration_time", av_frame_get_pkt_duration(frame), &stream->time_base);
1732 if (av_frame_get_pkt_pos (frame) != -1) print_fmt ("pkt_pos", "%"PRId64, av_frame_get_pkt_pos(frame));
1733 else print_str_opt("pkt_pos", "N/A");
1734 if (av_frame_get_pkt_size(frame) != -1) print_fmt ("pkt_size", "%d", av_frame_get_pkt_size(frame));
1735 else print_str_opt("pkt_size", "N/A");
1737 switch (stream->codec->codec_type) {
1740 case AVMEDIA_TYPE_VIDEO:
1741 print_int("width", frame->width);
1742 print_int("height", frame->height);
1743 s = av_get_pix_fmt_name(frame->format);
1744 if (s) print_str ("pix_fmt", s);
1745 else print_str_opt("pix_fmt", "unknown");
1746 sar = av_guess_sample_aspect_ratio(fmt_ctx, stream, frame);
1748 print_q("sample_aspect_ratio", sar, ':');
1750 print_str_opt("sample_aspect_ratio", "N/A");
1752 print_fmt("pict_type", "%c", av_get_picture_type_char(frame->pict_type));
1753 print_int("coded_picture_number", frame->coded_picture_number);
1754 print_int("display_picture_number", frame->display_picture_number);
1755 print_int("interlaced_frame", frame->interlaced_frame);
1756 print_int("top_field_first", frame->top_field_first);
1757 print_int("repeat_pict", frame->repeat_pict);
1760 case AVMEDIA_TYPE_AUDIO:
1761 s = av_get_sample_fmt_name(frame->format);
1762 if (s) print_str ("sample_fmt", s);
1763 else print_str_opt("sample_fmt", "unknown");
1764 print_int("nb_samples", frame->nb_samples);
1765 print_int("channels", av_frame_get_channels(frame));
1766 if (av_frame_get_channel_layout(frame)) {
1767 av_bprint_clear(&pbuf);
1768 av_bprint_channel_layout(&pbuf, av_frame_get_channels(frame),
1769 av_frame_get_channel_layout(frame));
1770 print_str ("channel_layout", pbuf.str);
1772 print_str_opt("channel_layout", "unknown");
1775 if (do_show_frame_tags)
1776 show_tags(w, av_frame_get_metadata(frame), SECTION_ID_FRAME_TAGS);
1778 writer_print_section_footer(w);
1780 av_bprint_finalize(&pbuf, NULL);
1784 static av_always_inline int process_frame(WriterContext *w,
1785 AVFormatContext *fmt_ctx,
1786 AVFrame *frame, AVPacket *pkt)
1788 AVCodecContext *dec_ctx = fmt_ctx->streams[pkt->stream_index]->codec;
1790 int ret = 0, got_frame = 0;
1792 if (dec_ctx->codec) {
1793 switch (dec_ctx->codec_type) {
1794 case AVMEDIA_TYPE_VIDEO:
1795 ret = avcodec_decode_video2(dec_ctx, frame, &got_frame, pkt);
1798 case AVMEDIA_TYPE_AUDIO:
1799 ret = avcodec_decode_audio4(dec_ctx, frame, &got_frame, pkt);
1802 case AVMEDIA_TYPE_SUBTITLE:
1803 ret = avcodec_decode_subtitle2(dec_ctx, &sub, &got_frame, pkt);
1810 ret = FFMIN(ret, pkt->size); /* guard against bogus return values */
1814 int is_sub = (dec_ctx->codec_type == AVMEDIA_TYPE_SUBTITLE);
1815 nb_streams_frames[pkt->stream_index]++;
1818 show_subtitle(w, &sub, fmt_ctx->streams[pkt->stream_index], fmt_ctx);
1820 show_frame(w, frame, fmt_ctx->streams[pkt->stream_index], fmt_ctx);
1822 avsubtitle_free(&sub);
1827 static void log_read_interval(const ReadInterval *interval, void *log_ctx, int log_level)
1829 av_log(log_ctx, log_level, "id:%d", interval->id);
1831 if (interval->has_start) {
1832 av_log(log_ctx, log_level, " start:%s%s", interval->start_is_offset ? "+" : "",
1833 av_ts2timestr(interval->start, &AV_TIME_BASE_Q));
1835 av_log(log_ctx, log_level, " start:N/A");
1838 if (interval->has_end) {
1839 av_log(log_ctx, log_level, " end:%s", interval->end_is_offset ? "+" : "");
1840 if (interval->duration_frames)
1841 av_log(log_ctx, log_level, "#%"PRId64, interval->end);
1843 av_log(log_ctx, log_level, "%s", av_ts2timestr(interval->end, &AV_TIME_BASE_Q));
1845 av_log(log_ctx, log_level, " end:N/A");
1848 av_log(log_ctx, log_level, "\n");
1851 static int read_interval_packets(WriterContext *w, AVFormatContext *fmt_ctx,
1852 const ReadInterval *interval, int64_t *cur_ts)
1855 AVFrame *frame = NULL;
1856 int ret = 0, i = 0, frame_count = 0;
1857 int64_t start = -INT64_MAX, end = interval->end;
1858 int has_start = 0, has_end = interval->has_end && !interval->end_is_offset;
1860 av_init_packet(&pkt);
1862 av_log(NULL, AV_LOG_VERBOSE, "Processing read interval ");
1863 log_read_interval(interval, NULL, AV_LOG_VERBOSE);
1865 if (interval->has_start) {
1867 if (interval->start_is_offset) {
1868 if (*cur_ts == AV_NOPTS_VALUE) {
1869 av_log(NULL, AV_LOG_ERROR,
1870 "Could not seek to relative position since current "
1871 "timestamp is not defined\n");
1872 ret = AVERROR(EINVAL);
1875 target = *cur_ts + interval->start;
1877 target = interval->start;
1880 av_log(NULL, AV_LOG_VERBOSE, "Seeking to read interval start point %s\n",
1881 av_ts2timestr(target, &AV_TIME_BASE_Q));
1882 if ((ret = avformat_seek_file(fmt_ctx, -1, -INT64_MAX, target, INT64_MAX, 0)) < 0) {
1883 av_log(NULL, AV_LOG_ERROR, "Could not seek to position %"PRId64": %s\n",
1884 interval->start, av_err2str(ret));
1889 frame = av_frame_alloc();
1891 ret = AVERROR(ENOMEM);
1894 while (!av_read_frame(fmt_ctx, &pkt)) {
1895 if (selected_streams[pkt.stream_index]) {
1896 AVRational tb = fmt_ctx->streams[pkt.stream_index]->time_base;
1898 if (pkt.pts != AV_NOPTS_VALUE)
1899 *cur_ts = av_rescale_q(pkt.pts, tb, AV_TIME_BASE_Q);
1901 if (!has_start && *cur_ts != AV_NOPTS_VALUE) {
1906 if (has_start && !has_end && interval->end_is_offset) {
1907 end = start + interval->end;
1911 if (interval->end_is_offset && interval->duration_frames) {
1912 if (frame_count >= interval->end)
1914 } else if (has_end && *cur_ts != AV_NOPTS_VALUE && *cur_ts >= end) {
1919 if (do_read_packets) {
1920 if (do_show_packets)
1921 show_packet(w, fmt_ctx, &pkt, i++);
1922 nb_streams_packets[pkt.stream_index]++;
1924 if (do_read_frames) {
1926 while (pkt1.size && process_frame(w, fmt_ctx, frame, &pkt1) > 0);
1929 av_free_packet(&pkt);
1931 av_init_packet(&pkt);
1934 //Flush remaining frames that are cached in the decoder
1935 for (i = 0; i < fmt_ctx->nb_streams; i++) {
1936 pkt.stream_index = i;
1938 while (process_frame(w, fmt_ctx, frame, &pkt) > 0);
1942 av_frame_free(&frame);
1944 av_log(NULL, AV_LOG_ERROR, "Could not read packets in interval ");
1945 log_read_interval(interval, NULL, AV_LOG_ERROR);
1950 static int read_packets(WriterContext *w, AVFormatContext *fmt_ctx)
1953 int64_t cur_ts = fmt_ctx->start_time;
1955 if (read_intervals_nb == 0) {
1956 ReadInterval interval = (ReadInterval) { .has_start = 0, .has_end = 0 };
1957 ret = read_interval_packets(w, fmt_ctx, &interval, &cur_ts);
1959 for (i = 0; i < read_intervals_nb; i++) {
1960 ret = read_interval_packets(w, fmt_ctx, &read_intervals[i], &cur_ts);
1969 static int show_stream(WriterContext *w, AVFormatContext *fmt_ctx, int stream_idx, int in_program)
1971 AVStream *stream = fmt_ctx->streams[stream_idx];
1972 AVCodecContext *dec_ctx;
1976 AVRational sar, dar;
1980 av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
1982 writer_print_section_header(w, in_program ? SECTION_ID_PROGRAM_STREAM : SECTION_ID_STREAM);
1984 print_int("index", stream->index);
1986 if ((dec_ctx = stream->codec)) {
1987 const char *profile = NULL;
1988 dec = dec_ctx->codec;
1990 print_str("codec_name", dec->name);
1992 if (dec->long_name) print_str ("codec_long_name", dec->long_name);
1993 else print_str_opt("codec_long_name", "unknown");
1996 print_str_opt("codec_name", "unknown");
1998 print_str_opt("codec_long_name", "unknown");
2002 if (dec && (profile = av_get_profile_name(dec, dec_ctx->profile)))
2003 print_str("profile", profile);
2005 print_str_opt("profile", "unknown");
2007 s = av_get_media_type_string(dec_ctx->codec_type);
2008 if (s) print_str ("codec_type", s);
2009 else print_str_opt("codec_type", "unknown");
2010 print_q("codec_time_base", dec_ctx->time_base, '/');
2012 /* print AVI/FourCC tag */
2013 av_get_codec_tag_string(val_str, sizeof(val_str), dec_ctx->codec_tag);
2014 print_str("codec_tag_string", val_str);
2015 print_fmt("codec_tag", "0x%04x", dec_ctx->codec_tag);
2017 switch (dec_ctx->codec_type) {
2018 case AVMEDIA_TYPE_VIDEO:
2019 print_int("width", dec_ctx->width);
2020 print_int("height", dec_ctx->height);
2021 print_int("has_b_frames", dec_ctx->has_b_frames);
2022 sar = av_guess_sample_aspect_ratio(fmt_ctx, stream, NULL);
2024 print_q("sample_aspect_ratio", sar, ':');
2025 av_reduce(&dar.num, &dar.den,
2026 dec_ctx->width * sar.num,
2027 dec_ctx->height * sar.den,
2029 print_q("display_aspect_ratio", dar, ':');
2031 print_str_opt("sample_aspect_ratio", "N/A");
2032 print_str_opt("display_aspect_ratio", "N/A");
2034 s = av_get_pix_fmt_name(dec_ctx->pix_fmt);
2035 if (s) print_str ("pix_fmt", s);
2036 else print_str_opt("pix_fmt", "unknown");
2037 print_int("level", dec_ctx->level);
2038 if (dec_ctx->timecode_frame_start >= 0) {
2039 char tcbuf[AV_TIMECODE_STR_SIZE];
2040 av_timecode_make_mpeg_tc_string(tcbuf, dec_ctx->timecode_frame_start);
2041 print_str("timecode", tcbuf);
2043 print_str_opt("timecode", "N/A");
2047 case AVMEDIA_TYPE_AUDIO:
2048 s = av_get_sample_fmt_name(dec_ctx->sample_fmt);
2049 if (s) print_str ("sample_fmt", s);
2050 else print_str_opt("sample_fmt", "unknown");
2051 print_val("sample_rate", dec_ctx->sample_rate, unit_hertz_str);
2052 print_int("channels", dec_ctx->channels);
2054 if (dec_ctx->channel_layout) {
2055 av_bprint_clear(&pbuf);
2056 av_bprint_channel_layout(&pbuf, dec_ctx->channels, dec_ctx->channel_layout);
2057 print_str ("channel_layout", pbuf.str);
2059 print_str_opt("channel_layout", "unknown");
2062 print_int("bits_per_sample", av_get_bits_per_sample(dec_ctx->codec_id));
2065 case AVMEDIA_TYPE_SUBTITLE:
2067 print_int("width", dec_ctx->width);
2069 print_str_opt("width", "N/A");
2070 if (dec_ctx->height)
2071 print_int("height", dec_ctx->height);
2073 print_str_opt("height", "N/A");
2077 print_str_opt("codec_type", "unknown");
2079 if (dec_ctx->codec && dec_ctx->codec->priv_class && show_private_data) {
2080 const AVOption *opt = NULL;
2081 while (opt = av_opt_next(dec_ctx->priv_data,opt)) {
2083 if (opt->flags) continue;
2084 if (av_opt_get(dec_ctx->priv_data, opt->name, 0, &str) >= 0) {
2085 print_str(opt->name, str);
2091 if (fmt_ctx->iformat->flags & AVFMT_SHOW_IDS) print_fmt ("id", "0x%x", stream->id);
2092 else print_str_opt("id", "N/A");
2093 print_q("r_frame_rate", stream->r_frame_rate, '/');
2094 print_q("avg_frame_rate", stream->avg_frame_rate, '/');
2095 print_q("time_base", stream->time_base, '/');
2096 print_ts ("start_pts", stream->start_time);
2097 print_time("start_time", stream->start_time, &stream->time_base);
2098 print_ts ("duration_ts", stream->duration);
2099 print_time("duration", stream->duration, &stream->time_base);
2100 if (dec_ctx->bit_rate > 0) print_val ("bit_rate", dec_ctx->bit_rate, unit_bit_per_second_str);
2101 else print_str_opt("bit_rate", "N/A");
2102 if (stream->nb_frames) print_fmt ("nb_frames", "%"PRId64, stream->nb_frames);
2103 else print_str_opt("nb_frames", "N/A");
2104 if (nb_streams_frames[stream_idx]) print_fmt ("nb_read_frames", "%"PRIu64, nb_streams_frames[stream_idx]);
2105 else print_str_opt("nb_read_frames", "N/A");
2106 if (nb_streams_packets[stream_idx]) print_fmt ("nb_read_packets", "%"PRIu64, nb_streams_packets[stream_idx]);
2107 else print_str_opt("nb_read_packets", "N/A");
2109 writer_print_data(w, "extradata", dec_ctx->extradata,
2110 dec_ctx->extradata_size);
2112 /* Print disposition information */
2113 #define PRINT_DISPOSITION(flagname, name) do { \
2114 print_int(name, !!(stream->disposition & AV_DISPOSITION_##flagname)); \
2117 if (do_show_stream_disposition) {
2118 writer_print_section_header(w, in_program ? SECTION_ID_PROGRAM_STREAM_DISPOSITION : SECTION_ID_STREAM_DISPOSITION);
2119 PRINT_DISPOSITION(DEFAULT, "default");
2120 PRINT_DISPOSITION(DUB, "dub");
2121 PRINT_DISPOSITION(ORIGINAL, "original");
2122 PRINT_DISPOSITION(COMMENT, "comment");
2123 PRINT_DISPOSITION(LYRICS, "lyrics");
2124 PRINT_DISPOSITION(KARAOKE, "karaoke");
2125 PRINT_DISPOSITION(FORCED, "forced");
2126 PRINT_DISPOSITION(HEARING_IMPAIRED, "hearing_impaired");
2127 PRINT_DISPOSITION(VISUAL_IMPAIRED, "visual_impaired");
2128 PRINT_DISPOSITION(CLEAN_EFFECTS, "clean_effects");
2129 PRINT_DISPOSITION(ATTACHED_PIC, "attached_pic");
2130 writer_print_section_footer(w);
2133 if (do_show_stream_tags)
2134 ret = show_tags(w, stream->metadata, in_program ? SECTION_ID_PROGRAM_STREAM_TAGS : SECTION_ID_STREAM_TAGS);
2136 writer_print_section_footer(w);
2137 av_bprint_finalize(&pbuf, NULL);
2143 static int show_streams(WriterContext *w, AVFormatContext *fmt_ctx)
2147 writer_print_section_header(w, SECTION_ID_STREAMS);
2148 for (i = 0; i < fmt_ctx->nb_streams; i++)
2149 if (selected_streams[i]) {
2150 ret = show_stream(w, fmt_ctx, i, 0);
2154 writer_print_section_footer(w);
2159 static int show_program(WriterContext *w, AVFormatContext *fmt_ctx, AVProgram *program)
2163 writer_print_section_header(w, SECTION_ID_PROGRAM);
2164 print_int("program_id", program->id);
2165 print_int("program_num", program->program_num);
2166 print_int("nb_streams", program->nb_stream_indexes);
2167 print_int("pmt_pid", program->pmt_pid);
2168 print_int("pcr_pid", program->pcr_pid);
2169 print_ts("start_pts", program->start_time);
2170 print_time("start_time", program->start_time, &AV_TIME_BASE_Q);
2171 print_ts("end_pts", program->end_time);
2172 print_time("end_time", program->end_time, &AV_TIME_BASE_Q);
2173 if (do_show_program_tags)
2174 ret = show_tags(w, program->metadata, SECTION_ID_PROGRAM_TAGS);
2178 writer_print_section_header(w, SECTION_ID_PROGRAM_STREAMS);
2179 for (i = 0; i < program->nb_stream_indexes; i++) {
2180 if (selected_streams[program->stream_index[i]]) {
2181 ret = show_stream(w, fmt_ctx, program->stream_index[i], 1);
2186 writer_print_section_footer(w);
2189 writer_print_section_footer(w);
2193 static int show_programs(WriterContext *w, AVFormatContext *fmt_ctx)
2197 writer_print_section_header(w, SECTION_ID_PROGRAMS);
2198 for (i = 0; i < fmt_ctx->nb_programs; i++) {
2199 AVProgram *program = fmt_ctx->programs[i];
2202 ret = show_program(w, fmt_ctx, program);
2206 writer_print_section_footer(w);
2210 static int show_chapters(WriterContext *w, AVFormatContext *fmt_ctx)
2214 writer_print_section_header(w, SECTION_ID_CHAPTERS);
2215 for (i = 0; i < fmt_ctx->nb_chapters; i++) {
2216 AVChapter *chapter = fmt_ctx->chapters[i];
2218 writer_print_section_header(w, SECTION_ID_CHAPTER);
2219 print_int("id", chapter->id);
2220 print_q ("time_base", chapter->time_base, '/');
2221 print_int("start", chapter->start);
2222 print_time("start_time", chapter->start, &chapter->time_base);
2223 print_int("end", chapter->end);
2224 print_time("end_time", chapter->end, &chapter->time_base);
2225 if (do_show_chapter_tags)
2226 ret = show_tags(w, chapter->metadata, SECTION_ID_CHAPTER_TAGS);
2227 writer_print_section_footer(w);
2229 writer_print_section_footer(w);
2234 static int show_format(WriterContext *w, AVFormatContext *fmt_ctx)
2237 int64_t size = fmt_ctx->pb ? avio_size(fmt_ctx->pb) : -1;
2240 writer_print_section_header(w, SECTION_ID_FORMAT);
2241 print_str_validate("filename", fmt_ctx->filename);
2242 print_int("nb_streams", fmt_ctx->nb_streams);
2243 print_int("nb_programs", fmt_ctx->nb_programs);
2244 print_str("format_name", fmt_ctx->iformat->name);
2246 if (fmt_ctx->iformat->long_name) print_str ("format_long_name", fmt_ctx->iformat->long_name);
2247 else print_str_opt("format_long_name", "unknown");
2249 print_time("start_time", fmt_ctx->start_time, &AV_TIME_BASE_Q);
2250 print_time("duration", fmt_ctx->duration, &AV_TIME_BASE_Q);
2251 if (size >= 0) print_val ("size", size, unit_byte_str);
2252 else print_str_opt("size", "N/A");
2253 if (fmt_ctx->bit_rate > 0) print_val ("bit_rate", fmt_ctx->bit_rate, unit_bit_per_second_str);
2254 else print_str_opt("bit_rate", "N/A");
2255 print_int("probe_score", av_format_get_probe_score(fmt_ctx));
2256 if (do_show_format_tags)
2257 ret = show_tags(w, fmt_ctx->metadata, SECTION_ID_FORMAT_TAGS);
2259 writer_print_section_footer(w);
2264 static void show_error(WriterContext *w, int err)
2267 const char *errbuf_ptr = errbuf;
2269 if (av_strerror(err, errbuf, sizeof(errbuf)) < 0)
2270 errbuf_ptr = strerror(AVUNERROR(err));
2272 writer_print_section_header(w, SECTION_ID_ERROR);
2273 print_int("code", err);
2274 print_str("string", errbuf_ptr);
2275 writer_print_section_footer(w);
2278 static int open_input_file(AVFormatContext **fmt_ctx_ptr, const char *filename)
2280 int err, i, orig_nb_streams;
2281 AVFormatContext *fmt_ctx = NULL;
2282 AVDictionaryEntry *t;
2283 AVDictionary **opts;
2285 if ((err = avformat_open_input(&fmt_ctx, filename,
2286 iformat, &format_opts)) < 0) {
2287 print_error(filename, err);
2290 if ((t = av_dict_get(format_opts, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
2291 av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
2292 return AVERROR_OPTION_NOT_FOUND;
2295 /* fill the streams in the format context */
2296 opts = setup_find_stream_info_opts(fmt_ctx, codec_opts);
2297 orig_nb_streams = fmt_ctx->nb_streams;
2299 if ((err = avformat_find_stream_info(fmt_ctx, opts)) < 0) {
2300 print_error(filename, err);
2303 for (i = 0; i < orig_nb_streams; i++)
2304 av_dict_free(&opts[i]);
2307 av_dump_format(fmt_ctx, 0, filename, 0);
2309 /* bind a decoder to each input stream */
2310 for (i = 0; i < fmt_ctx->nb_streams; i++) {
2311 AVStream *stream = fmt_ctx->streams[i];
2314 if (stream->codec->codec_id == AV_CODEC_ID_PROBE) {
2315 av_log(NULL, AV_LOG_WARNING,
2316 "Failed to probe codec for input stream %d\n",
2318 } else if (!(codec = avcodec_find_decoder(stream->codec->codec_id))) {
2319 av_log(NULL, AV_LOG_WARNING,
2320 "Unsupported codec with id %d for input stream %d\n",
2321 stream->codec->codec_id, stream->index);
2323 AVDictionary *opts = filter_codec_opts(codec_opts, stream->codec->codec_id,
2324 fmt_ctx, stream, codec);
2325 if (avcodec_open2(stream->codec, codec, &opts) < 0) {
2326 av_log(NULL, AV_LOG_WARNING, "Could not open codec for input stream %d\n",
2329 if ((t = av_dict_get(opts, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
2330 av_log(NULL, AV_LOG_ERROR, "Option %s for input stream %d not found\n",
2331 t->key, stream->index);
2332 return AVERROR_OPTION_NOT_FOUND;
2337 *fmt_ctx_ptr = fmt_ctx;
2341 static void close_input_file(AVFormatContext **ctx_ptr)
2344 AVFormatContext *fmt_ctx = *ctx_ptr;
2346 /* close decoder for each stream */
2347 for (i = 0; i < fmt_ctx->nb_streams; i++)
2348 if (fmt_ctx->streams[i]->codec->codec_id != AV_CODEC_ID_NONE)
2349 avcodec_close(fmt_ctx->streams[i]->codec);
2351 avformat_close_input(ctx_ptr);
2354 static int probe_file(WriterContext *wctx, const char *filename)
2356 AVFormatContext *fmt_ctx;
2360 do_read_frames = do_show_frames || do_count_frames;
2361 do_read_packets = do_show_packets || do_count_packets;
2363 ret = open_input_file(&fmt_ctx, filename);
2367 #define CHECK_END if (ret < 0) goto end
2369 nb_streams_frames = av_calloc(fmt_ctx->nb_streams, sizeof(*nb_streams_frames));
2370 nb_streams_packets = av_calloc(fmt_ctx->nb_streams, sizeof(*nb_streams_packets));
2371 selected_streams = av_calloc(fmt_ctx->nb_streams, sizeof(*selected_streams));
2373 for (i = 0; i < fmt_ctx->nb_streams; i++) {
2374 if (stream_specifier) {
2375 ret = avformat_match_stream_specifier(fmt_ctx,
2376 fmt_ctx->streams[i],
2380 selected_streams[i] = ret;
2383 selected_streams[i] = 1;
2387 if (do_read_frames || do_read_packets) {
2388 if (do_show_frames && do_show_packets &&
2389 wctx->writer->flags & WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER)
2390 section_id = SECTION_ID_PACKETS_AND_FRAMES;
2391 else if (do_show_packets && !do_show_frames)
2392 section_id = SECTION_ID_PACKETS;
2393 else // (!do_show_packets && do_show_frames)
2394 section_id = SECTION_ID_FRAMES;
2395 if (do_show_frames || do_show_packets)
2396 writer_print_section_header(wctx, section_id);
2397 ret = read_packets(wctx, fmt_ctx);
2398 if (do_show_frames || do_show_packets)
2399 writer_print_section_footer(wctx);
2403 if (do_show_programs) {
2404 ret = show_programs(wctx, fmt_ctx);
2408 if (do_show_streams) {
2409 ret = show_streams(wctx, fmt_ctx);
2412 if (do_show_chapters) {
2413 ret = show_chapters(wctx, fmt_ctx);
2416 if (do_show_format) {
2417 ret = show_format(wctx, fmt_ctx);
2422 close_input_file(&fmt_ctx);
2423 av_freep(&nb_streams_frames);
2424 av_freep(&nb_streams_packets);
2425 av_freep(&selected_streams);
2430 static void show_usage(void)
2432 av_log(NULL, AV_LOG_INFO, "Simple multimedia streams analyzer\n");
2433 av_log(NULL, AV_LOG_INFO, "usage: %s [OPTIONS] [INPUT_FILE]\n", program_name);
2434 av_log(NULL, AV_LOG_INFO, "\n");
2437 static void ffprobe_show_program_version(WriterContext *w)
2440 av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
2442 writer_print_section_header(w, SECTION_ID_PROGRAM_VERSION);
2443 print_str("version", FFMPEG_VERSION);
2444 print_fmt("copyright", "Copyright (c) %d-%d the FFmpeg developers",
2445 program_birth_year, CONFIG_THIS_YEAR);
2446 print_str("build_date", __DATE__);
2447 print_str("build_time", __TIME__);
2448 print_str("compiler_ident", CC_IDENT);
2449 print_str("configuration", FFMPEG_CONFIGURATION);
2450 writer_print_section_footer(w);
2452 av_bprint_finalize(&pbuf, NULL);
2455 #define SHOW_LIB_VERSION(libname, LIBNAME) \
2457 if (CONFIG_##LIBNAME) { \
2458 unsigned int version = libname##_version(); \
2459 writer_print_section_header(w, SECTION_ID_LIBRARY_VERSION); \
2460 print_str("name", "lib" #libname); \
2461 print_int("major", LIB##LIBNAME##_VERSION_MAJOR); \
2462 print_int("minor", LIB##LIBNAME##_VERSION_MINOR); \
2463 print_int("micro", LIB##LIBNAME##_VERSION_MICRO); \
2464 print_int("version", version); \
2465 print_str("ident", LIB##LIBNAME##_IDENT); \
2466 writer_print_section_footer(w); \
2470 static void ffprobe_show_library_versions(WriterContext *w)
2472 writer_print_section_header(w, SECTION_ID_LIBRARY_VERSIONS);
2473 SHOW_LIB_VERSION(avutil, AVUTIL);
2474 SHOW_LIB_VERSION(avcodec, AVCODEC);
2475 SHOW_LIB_VERSION(avformat, AVFORMAT);
2476 SHOW_LIB_VERSION(avdevice, AVDEVICE);
2477 SHOW_LIB_VERSION(avfilter, AVFILTER);
2478 SHOW_LIB_VERSION(swscale, SWSCALE);
2479 SHOW_LIB_VERSION(swresample, SWRESAMPLE);
2480 SHOW_LIB_VERSION(postproc, POSTPROC);
2481 writer_print_section_footer(w);
2484 static int opt_format(void *optctx, const char *opt, const char *arg)
2486 iformat = av_find_input_format(arg);
2488 av_log(NULL, AV_LOG_ERROR, "Unknown input format: %s\n", arg);
2489 return AVERROR(EINVAL);
2494 static inline void mark_section_show_entries(SectionID section_id,
2495 int show_all_entries, AVDictionary *entries)
2497 struct section *section = §ions[section_id];
2499 section->show_all_entries = show_all_entries;
2500 if (show_all_entries) {
2502 for (id = section->children_ids; *id != -1; id++)
2503 mark_section_show_entries(*id, show_all_entries, entries);
2505 av_dict_copy(§ion->entries_to_show, entries, 0);
2509 static int match_section(const char *section_name,
2510 int show_all_entries, AVDictionary *entries)
2514 for (i = 0; i < FF_ARRAY_ELEMS(sections); i++) {
2515 const struct section *section = §ions[i];
2516 if (!strcmp(section_name, section->name) ||
2517 (section->unique_name && !strcmp(section_name, section->unique_name))) {
2518 av_log(NULL, AV_LOG_DEBUG,
2519 "'%s' matches section with unique name '%s'\n", section_name,
2520 (char *)av_x_if_null(section->unique_name, section->name));
2522 mark_section_show_entries(section->id, show_all_entries, entries);
2528 static int opt_show_entries(void *optctx, const char *opt, const char *arg)
2530 const char *p = arg;
2534 AVDictionary *entries = NULL;
2535 char *section_name = av_get_token(&p, "=:");
2536 int show_all_entries = 0;
2538 if (!section_name) {
2539 av_log(NULL, AV_LOG_ERROR,
2540 "Missing section name for option '%s'\n", opt);
2541 return AVERROR(EINVAL);
2546 while (*p && *p != ':') {
2547 char *entry = av_get_token(&p, ",:");
2550 av_log(NULL, AV_LOG_VERBOSE,
2551 "Adding '%s' to the entries to show in section '%s'\n",
2552 entry, section_name);
2553 av_dict_set(&entries, entry, "", AV_DICT_DONT_STRDUP_KEY);
2558 show_all_entries = 1;
2561 ret = match_section(section_name, show_all_entries, entries);
2563 av_log(NULL, AV_LOG_ERROR, "No match for section '%s'\n", section_name);
2564 ret = AVERROR(EINVAL);
2566 av_dict_free(&entries);
2567 av_free(section_name);
2578 static int opt_show_format_entry(void *optctx, const char *opt, const char *arg)
2580 char *buf = av_asprintf("format=%s", arg);
2583 av_log(NULL, AV_LOG_WARNING,
2584 "Option '%s' is deprecated, use '-show_entries format=%s' instead\n",
2586 ret = opt_show_entries(optctx, opt, buf);
2591 static void opt_input_file(void *optctx, const char *arg)
2593 if (input_filename) {
2594 av_log(NULL, AV_LOG_ERROR,
2595 "Argument '%s' provided as input filename, but '%s' was already specified.\n",
2596 arg, input_filename);
2599 if (!strcmp(arg, "-"))
2601 input_filename = arg;
2604 static int opt_input_file_i(void *optctx, const char *opt, const char *arg)
2606 opt_input_file(optctx, arg);
2610 void show_help_default(const char *opt, const char *arg)
2612 av_log_set_callback(log_callback_help);
2614 show_help_options(options, "Main options:", 0, 0, 0);
2617 show_help_children(avformat_get_class(), AV_OPT_FLAG_DECODING_PARAM);
2621 * Parse interval specification, according to the format:
2622 * INTERVAL ::= [START|+START_OFFSET][%[END|+END_OFFSET]]
2623 * INTERVALS ::= INTERVAL[,INTERVALS]
2625 static int parse_read_interval(const char *interval_spec,
2626 ReadInterval *interval)
2629 char *next, *p, *spec = av_strdup(interval_spec);
2631 return AVERROR(ENOMEM);
2634 av_log(NULL, AV_LOG_ERROR, "Invalid empty interval specification\n");
2635 ret = AVERROR(EINVAL);
2640 next = strchr(spec, '%');
2644 /* parse first part */
2646 interval->has_start = 1;
2649 interval->start_is_offset = 1;
2652 interval->start_is_offset = 0;
2655 ret = av_parse_time(&interval->start, p, 1);
2657 av_log(NULL, AV_LOG_ERROR, "Invalid interval start specification '%s'\n", p);
2661 interval->has_start = 0;
2664 /* parse second part */
2668 interval->has_end = 1;
2671 interval->end_is_offset = 1;
2674 interval->end_is_offset = 0;
2677 if (interval->end_is_offset && *p == '#') {
2680 interval->duration_frames = 1;
2682 lli = strtoll(p, &tail, 10);
2683 if (*tail || lli < 0) {
2684 av_log(NULL, AV_LOG_ERROR,
2685 "Invalid or negative value '%s' for duration number of frames\n", p);
2688 interval->end = lli;
2690 ret = av_parse_time(&us, p, 1);
2692 av_log(NULL, AV_LOG_ERROR, "Invalid interval end/duration specification '%s'\n", p);
2698 interval->has_end = 0;
2706 static int parse_read_intervals(const char *intervals_spec)
2709 char *p, *spec = av_strdup(intervals_spec);
2711 return AVERROR(ENOMEM);
2713 /* preparse specification, get number of intervals */
2714 for (n = 0, p = spec; *p; p++)
2719 read_intervals = av_malloc(n * sizeof(*read_intervals));
2720 if (!read_intervals) {
2721 ret = AVERROR(ENOMEM);
2724 read_intervals_nb = n;
2726 /* parse intervals */
2728 for (i = 0; p; i++) {
2731 av_assert0(i < read_intervals_nb);
2732 next = strchr(p, ',');
2736 read_intervals[i].id = i;
2737 ret = parse_read_interval(p, &read_intervals[i]);
2739 av_log(NULL, AV_LOG_ERROR, "Error parsing read interval #%d '%s'\n",
2743 av_log(NULL, AV_LOG_VERBOSE, "Parsed log interval ");
2744 log_read_interval(&read_intervals[i], NULL, AV_LOG_VERBOSE);
2747 av_assert0(i == read_intervals_nb);
2754 static int opt_read_intervals(void *optctx, const char *opt, const char *arg)
2756 return parse_read_intervals(arg);
2759 static int opt_pretty(void *optctx, const char *opt, const char *arg)
2761 show_value_unit = 1;
2762 use_value_prefix = 1;
2763 use_byte_value_binary_prefix = 1;
2764 use_value_sexagesimal_format = 1;
2768 static void print_section(SectionID id, int level)
2770 const SectionID *pid;
2771 const struct section *section = §ions[id];
2773 section->flags & SECTION_FLAG_IS_WRAPPER ? 'W' : '.',
2774 section->flags & SECTION_FLAG_IS_ARRAY ? 'A' : '.',
2775 section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS ? 'V' : '.');
2776 printf("%*c %s", level * 4, ' ', section->name);
2777 if (section->unique_name)
2778 printf("/%s", section->unique_name);
2781 for (pid = section->children_ids; *pid != -1; pid++)
2782 print_section(*pid, level+1);
2785 static int opt_sections(void *optctx, const char *opt, const char *arg)
2787 printf("Sections:\n"
2788 "W.. = Section is a wrapper (contains other sections, no local entries)\n"
2789 ".A. = Section contains an array of elements of the same type\n"
2790 "..V = Section may contain a variable number of fields with variable keys\n"
2791 "FLAGS NAME/UNIQUE_NAME\n"
2793 print_section(SECTION_ID_ROOT, 0);
2797 static int opt_show_versions(const char *opt, const char *arg)
2799 mark_section_show_entries(SECTION_ID_PROGRAM_VERSION, 1, NULL);
2800 mark_section_show_entries(SECTION_ID_LIBRARY_VERSION, 1, NULL);
2804 #define DEFINE_OPT_SHOW_SECTION(section, target_section_id) \
2805 static int opt_show_##section(const char *opt, const char *arg) \
2807 mark_section_show_entries(SECTION_ID_##target_section_id, 1, NULL); \
2811 DEFINE_OPT_SHOW_SECTION(chapters, CHAPTERS);
2812 DEFINE_OPT_SHOW_SECTION(error, ERROR);
2813 DEFINE_OPT_SHOW_SECTION(format, FORMAT);
2814 DEFINE_OPT_SHOW_SECTION(frames, FRAMES);
2815 DEFINE_OPT_SHOW_SECTION(library_versions, LIBRARY_VERSIONS);
2816 DEFINE_OPT_SHOW_SECTION(packets, PACKETS);
2817 DEFINE_OPT_SHOW_SECTION(program_version, PROGRAM_VERSION);
2818 DEFINE_OPT_SHOW_SECTION(streams, STREAMS);
2819 DEFINE_OPT_SHOW_SECTION(programs, PROGRAMS);
2821 static const OptionDef real_options[] = {
2822 #include "cmdutils_common_opts.h"
2823 { "f", HAS_ARG, {.func_arg = opt_format}, "force format", "format" },
2824 { "unit", OPT_BOOL, {&show_value_unit}, "show unit of the displayed values" },
2825 { "prefix", OPT_BOOL, {&use_value_prefix}, "use SI prefixes for the displayed values" },
2826 { "byte_binary_prefix", OPT_BOOL, {&use_byte_value_binary_prefix},
2827 "use binary prefixes for byte units" },
2828 { "sexagesimal", OPT_BOOL, {&use_value_sexagesimal_format},
2829 "use sexagesimal format HOURS:MM:SS.MICROSECONDS for time units" },
2830 { "pretty", 0, {.func_arg = opt_pretty},
2831 "prettify the format of displayed values, make it more human readable" },
2832 { "print_format", OPT_STRING | HAS_ARG, {(void*)&print_format},
2833 "set the output printing format (available formats are: default, compact, csv, flat, ini, json, xml)", "format" },
2834 { "of", OPT_STRING | HAS_ARG, {(void*)&print_format}, "alias for -print_format", "format" },
2835 { "select_streams", OPT_STRING | HAS_ARG, {(void*)&stream_specifier}, "select the specified streams", "stream_specifier" },
2836 { "sections", OPT_EXIT, {.func_arg = opt_sections}, "print sections structure and section information, and exit" },
2837 { "show_data", OPT_BOOL, {(void*)&do_show_data}, "show packets data" },
2838 { "show_error", 0, {(void*)&opt_show_error}, "show probing error" },
2839 { "show_format", 0, {(void*)&opt_show_format}, "show format/container info" },
2840 { "show_frames", 0, {(void*)&opt_show_frames}, "show frames info" },
2841 { "show_format_entry", HAS_ARG, {.func_arg = opt_show_format_entry},
2842 "show a particular entry from the format/container info", "entry" },
2843 { "show_entries", HAS_ARG, {.func_arg = opt_show_entries},
2844 "show a set of specified entries", "entry_list" },
2845 { "show_packets", 0, {(void*)&opt_show_packets}, "show packets info" },
2846 { "show_programs", 0, {(void*)&opt_show_programs}, "show programs info" },
2847 { "show_streams", 0, {(void*)&opt_show_streams}, "show streams info" },
2848 { "show_chapters", 0, {(void*)&opt_show_chapters}, "show chapters info" },
2849 { "count_frames", OPT_BOOL, {(void*)&do_count_frames}, "count the number of frames per stream" },
2850 { "count_packets", OPT_BOOL, {(void*)&do_count_packets}, "count the number of packets per stream" },
2851 { "show_program_version", 0, {(void*)&opt_show_program_version}, "show ffprobe version" },
2852 { "show_library_versions", 0, {(void*)&opt_show_library_versions}, "show library versions" },
2853 { "show_versions", 0, {(void*)&opt_show_versions}, "show program and library versions" },
2854 { "show_private_data", OPT_BOOL, {(void*)&show_private_data}, "show private data" },
2855 { "private", OPT_BOOL, {(void*)&show_private_data}, "same as show_private_data" },
2856 { "bitexact", OPT_BOOL, {&do_bitexact}, "force bitexact output" },
2857 { "read_intervals", HAS_ARG, {.func_arg = opt_read_intervals}, "set read intervals", "read_intervals" },
2858 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {.func_arg = opt_default}, "generic catch all option", "" },
2859 { "i", HAS_ARG, {.func_arg = opt_input_file_i}, "read specified file", "input_file"},
2863 static inline int check_section_show_entries(int section_id)
2866 struct section *section = §ions[section_id];
2867 if (sections[section_id].show_all_entries || sections[section_id].entries_to_show)
2869 for (id = section->children_ids; *id != -1; id++)
2870 if (check_section_show_entries(*id))
2875 #define SET_DO_SHOW(id, varname) do { \
2876 if (check_section_show_entries(SECTION_ID_##id)) \
2877 do_show_##varname = 1; \
2880 int main(int argc, char **argv)
2883 WriterContext *wctx;
2885 char *w_name = NULL, *w_args = NULL;
2888 av_log_set_flags(AV_LOG_SKIP_REPEATED);
2889 register_exit(ffprobe_cleanup);
2891 options = real_options;
2892 parse_loglevel(argc, argv, options);
2894 avformat_network_init();
2897 avdevice_register_all();
2900 show_banner(argc, argv, options);
2901 parse_options(NULL, argc, argv, options, opt_input_file);
2903 /* mark things to show, based on -show_entries */
2904 SET_DO_SHOW(CHAPTERS, chapters);
2905 SET_DO_SHOW(ERROR, error);
2906 SET_DO_SHOW(FORMAT, format);
2907 SET_DO_SHOW(FRAMES, frames);
2908 SET_DO_SHOW(LIBRARY_VERSIONS, library_versions);
2909 SET_DO_SHOW(PACKETS, packets);
2910 SET_DO_SHOW(PROGRAM_VERSION, program_version);
2911 SET_DO_SHOW(PROGRAMS, programs);
2912 SET_DO_SHOW(STREAMS, streams);
2913 SET_DO_SHOW(STREAM_DISPOSITION, stream_disposition);
2914 SET_DO_SHOW(PROGRAM_STREAM_DISPOSITION, stream_disposition);
2916 SET_DO_SHOW(CHAPTER_TAGS, chapter_tags);
2917 SET_DO_SHOW(FORMAT_TAGS, format_tags);
2918 SET_DO_SHOW(FRAME_TAGS, frame_tags);
2919 SET_DO_SHOW(PROGRAM_TAGS, program_tags);
2920 SET_DO_SHOW(STREAM_TAGS, stream_tags);
2922 if (do_bitexact && (do_show_program_version || do_show_library_versions)) {
2923 av_log(NULL, AV_LOG_ERROR,
2924 "-bitexact and -show_program_version or -show_library_versions "
2925 "options are incompatible\n");
2926 ret = AVERROR(EINVAL);
2930 writer_register_all();
2933 print_format = av_strdup("default");
2934 if (!print_format) {
2935 ret = AVERROR(ENOMEM);
2938 w_name = av_strtok(print_format, "=", &buf);
2941 w = writer_get_by_name(w_name);
2943 av_log(NULL, AV_LOG_ERROR, "Unknown output format with name '%s'\n", w_name);
2944 ret = AVERROR(EINVAL);
2948 if ((ret = writer_open(&wctx, w, w_args,
2949 sections, FF_ARRAY_ELEMS(sections))) >= 0) {
2950 if (w == &xml_writer)
2951 wctx->string_validation_utf8_flags |= AV_UTF8_FLAG_EXCLUDE_XML_INVALID_CONTROL_CODES;
2953 writer_print_section_header(wctx, SECTION_ID_ROOT);
2955 if (do_show_program_version)
2956 ffprobe_show_program_version(wctx);
2957 if (do_show_library_versions)
2958 ffprobe_show_library_versions(wctx);
2960 if (!input_filename &&
2961 ((do_show_format || do_show_programs || do_show_streams || do_show_chapters || do_show_packets || do_show_error) ||
2962 (!do_show_program_version && !do_show_library_versions))) {
2964 av_log(NULL, AV_LOG_ERROR, "You have to specify one input file.\n");
2965 av_log(NULL, AV_LOG_ERROR, "Use -h to get full help or, even better, run 'man %s'.\n", program_name);
2966 ret = AVERROR(EINVAL);
2967 } else if (input_filename) {
2968 ret = probe_file(wctx, input_filename);
2969 if (ret < 0 && do_show_error)
2970 show_error(wctx, ret);
2973 writer_print_section_footer(wctx);
2974 writer_close(&wctx);
2978 av_freep(&print_format);
2979 av_freep(&read_intervals);
2982 for (i = 0; i < FF_ARRAY_ELEMS(sections); i++)
2983 av_dict_free(&(sections[i].entries_to_show));
2985 avformat_network_deinit();