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 show_value_unit = 0;
70 static int use_value_prefix = 0;
71 static int use_byte_value_binary_prefix = 0;
72 static int use_value_sexagesimal_format = 0;
73 static int show_private_data = 1;
75 static char *print_format;
76 static char *stream_specifier;
79 int id; ///< identifier
80 int64_t start, end; ///< start, end in second/AV_TIME_BASE units
81 int has_start, has_end;
82 int start_is_offset, end_is_offset;
86 static ReadInterval *read_intervals;
87 static int read_intervals_nb = 0;
89 /* section structure definition */
91 #define SECTION_MAX_NB_CHILDREN 10
94 int id; ///< unique id identifying a section
97 #define SECTION_FLAG_IS_WRAPPER 1 ///< the section only contains other sections, but has no data at its own level
98 #define SECTION_FLAG_IS_ARRAY 2 ///< the section contains an array of elements of the same type
99 #define SECTION_FLAG_HAS_VARIABLE_FIELDS 4 ///< the section may contain a variable number of fields with variable keys.
100 /// For these sections the element_name field is mandatory.
102 int children_ids[SECTION_MAX_NB_CHILDREN+1]; ///< list of children section IDS, terminated by -1
103 const char *element_name; ///< name of the contained element, if provided
104 const char *unique_name; ///< unique section name, in case the name is ambiguous
105 AVDictionary *entries_to_show;
106 int show_all_entries;
110 SECTION_ID_NONE = -1,
112 SECTION_ID_CHAPTER_TAGS,
116 SECTION_ID_FORMAT_TAGS,
119 SECTION_ID_FRAME_TAGS,
120 SECTION_ID_LIBRARY_VERSION,
121 SECTION_ID_LIBRARY_VERSIONS,
124 SECTION_ID_PACKETS_AND_FRAMES,
125 SECTION_ID_PROGRAM_STREAM_DISPOSITION,
126 SECTION_ID_PROGRAM_STREAM_TAGS,
128 SECTION_ID_PROGRAM_STREAMS,
129 SECTION_ID_PROGRAM_STREAM,
130 SECTION_ID_PROGRAM_TAGS,
131 SECTION_ID_PROGRAM_VERSION,
135 SECTION_ID_STREAM_DISPOSITION,
137 SECTION_ID_STREAM_TAGS,
141 static struct section sections[] = {
142 [SECTION_ID_CHAPTERS] = { SECTION_ID_CHAPTERS, "chapters", SECTION_FLAG_IS_ARRAY, { SECTION_ID_CHAPTER, -1 } },
143 [SECTION_ID_CHAPTER] = { SECTION_ID_CHAPTER, "chapter", 0, { SECTION_ID_CHAPTER_TAGS, -1 } },
144 [SECTION_ID_CHAPTER_TAGS] = { SECTION_ID_CHAPTER_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "chapter_tags" },
145 [SECTION_ID_ERROR] = { SECTION_ID_ERROR, "error", 0, { -1 } },
146 [SECTION_ID_FORMAT] = { SECTION_ID_FORMAT, "format", 0, { SECTION_ID_FORMAT_TAGS, -1 } },
147 [SECTION_ID_FORMAT_TAGS] = { SECTION_ID_FORMAT_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "format_tags" },
148 [SECTION_ID_FRAMES] = { SECTION_ID_FRAMES, "frames", SECTION_FLAG_IS_ARRAY, { SECTION_ID_FRAME, SECTION_ID_SUBTITLE, -1 } },
149 [SECTION_ID_FRAME] = { SECTION_ID_FRAME, "frame", 0, { SECTION_ID_FRAME_TAGS, -1 } },
150 [SECTION_ID_FRAME_TAGS] = { SECTION_ID_FRAME_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "frame_tags" },
151 [SECTION_ID_LIBRARY_VERSIONS] = { SECTION_ID_LIBRARY_VERSIONS, "library_versions", SECTION_FLAG_IS_ARRAY, { SECTION_ID_LIBRARY_VERSION, -1 } },
152 [SECTION_ID_LIBRARY_VERSION] = { SECTION_ID_LIBRARY_VERSION, "library_version", 0, { -1 } },
153 [SECTION_ID_PACKETS] = { SECTION_ID_PACKETS, "packets", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PACKET, -1} },
154 [SECTION_ID_PACKETS_AND_FRAMES] = { SECTION_ID_PACKETS_AND_FRAMES, "packets_and_frames", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PACKET, -1} },
155 [SECTION_ID_PACKET] = { SECTION_ID_PACKET, "packet", 0, { -1 } },
156 [SECTION_ID_PROGRAM_STREAM_DISPOSITION] = { SECTION_ID_PROGRAM_STREAM_DISPOSITION, "disposition", 0, { -1 }, .unique_name = "program_stream_disposition" },
157 [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" },
158 [SECTION_ID_PROGRAM] = { SECTION_ID_PROGRAM, "program", 0, { SECTION_ID_PROGRAM_TAGS, SECTION_ID_PROGRAM_STREAMS, -1 } },
159 [SECTION_ID_PROGRAM_STREAMS] = { SECTION_ID_PROGRAM_STREAMS, "streams", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PROGRAM_STREAM, -1 }, .unique_name = "program_streams" },
160 [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" },
161 [SECTION_ID_PROGRAM_TAGS] = { SECTION_ID_PROGRAM_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "program_tags" },
162 [SECTION_ID_PROGRAM_VERSION] = { SECTION_ID_PROGRAM_VERSION, "program_version", 0, { -1 } },
163 [SECTION_ID_PROGRAMS] = { SECTION_ID_PROGRAMS, "programs", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PROGRAM, -1 } },
164 [SECTION_ID_ROOT] = { SECTION_ID_ROOT, "root", SECTION_FLAG_IS_WRAPPER,
165 { SECTION_ID_CHAPTERS, SECTION_ID_FORMAT, SECTION_ID_FRAMES, SECTION_ID_PROGRAMS, SECTION_ID_STREAMS,
166 SECTION_ID_PACKETS, SECTION_ID_ERROR, SECTION_ID_PROGRAM_VERSION, SECTION_ID_LIBRARY_VERSIONS, -1} },
167 [SECTION_ID_STREAMS] = { SECTION_ID_STREAMS, "streams", SECTION_FLAG_IS_ARRAY, { SECTION_ID_STREAM, -1 } },
168 [SECTION_ID_STREAM] = { SECTION_ID_STREAM, "stream", 0, { SECTION_ID_STREAM_DISPOSITION, SECTION_ID_STREAM_TAGS, -1 } },
169 [SECTION_ID_STREAM_DISPOSITION] = { SECTION_ID_STREAM_DISPOSITION, "disposition", 0, { -1 }, .unique_name = "stream_disposition" },
170 [SECTION_ID_STREAM_TAGS] = { SECTION_ID_STREAM_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "stream_tags" },
171 [SECTION_ID_SUBTITLE] = { SECTION_ID_SUBTITLE, "subtitle", 0, { -1 } },
174 static const OptionDef *options;
176 /* FFprobe context */
177 static const char *input_filename;
178 static AVInputFormat *iformat = NULL;
180 static const char *const binary_unit_prefixes [] = { "", "Ki", "Mi", "Gi", "Ti", "Pi" };
181 static const char *const decimal_unit_prefixes[] = { "", "K" , "M" , "G" , "T" , "P" };
183 static const char unit_second_str[] = "s" ;
184 static const char unit_hertz_str[] = "Hz" ;
185 static const char unit_byte_str[] = "byte" ;
186 static const char unit_bit_per_second_str[] = "bit/s";
188 static uint64_t *nb_streams_packets;
189 static uint64_t *nb_streams_frames;
190 static int *selected_streams;
192 static void ffprobe_cleanup(int ret)
195 for (i = 0; i < FF_ARRAY_ELEMS(sections); i++)
196 av_dict_free(&(sections[i].entries_to_show));
200 union { double d; long long int i; } val;
204 static char *value_string(char *buf, int buf_size, struct unit_value uv)
210 if (uv.unit == unit_second_str) {
214 vald = vali = uv.val.i;
217 if (uv.unit == unit_second_str && use_value_sexagesimal_format) {
221 mins = (int)secs / 60;
222 secs = secs - mins * 60;
225 snprintf(buf, buf_size, "%d:%02d:%09.6f", hours, mins, secs);
227 const char *prefix_string = "";
229 if (use_value_prefix && vald > 1) {
232 if (uv.unit == unit_byte_str && use_byte_value_binary_prefix) {
233 index = (long long int) (log2(vald)) / 10;
234 index = av_clip(index, 0, FF_ARRAY_ELEMS(binary_unit_prefixes) - 1);
235 vald /= exp2(index * 10);
236 prefix_string = binary_unit_prefixes[index];
238 index = (long long int) (log10(vald)) / 3;
239 index = av_clip(index, 0, FF_ARRAY_ELEMS(decimal_unit_prefixes) - 1);
240 vald /= pow(10, index * 3);
241 prefix_string = decimal_unit_prefixes[index];
245 if (show_float || (use_value_prefix && vald != (long long int)vald))
246 snprintf(buf, buf_size, "%f", vald);
248 snprintf(buf, buf_size, "%lld", vali);
249 av_strlcatf(buf, buf_size, "%s%s%s", *prefix_string || show_value_unit ? " " : "",
250 prefix_string, show_value_unit ? uv.unit : "");
258 typedef struct WriterContext WriterContext;
260 #define WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS 1
261 #define WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER 2
264 WRITER_STRING_VALIDATION_FAIL,
265 WRITER_STRING_VALIDATION_REPLACE,
266 WRITER_STRING_VALIDATION_IGNORE,
267 WRITER_STRING_VALIDATION_NB
270 typedef struct Writer {
271 const AVClass *priv_class; ///< private class of the writer, if any
272 int priv_size; ///< private size for the writer context
275 int (*init) (WriterContext *wctx);
276 void (*uninit)(WriterContext *wctx);
278 void (*print_section_header)(WriterContext *wctx);
279 void (*print_section_footer)(WriterContext *wctx);
280 void (*print_integer) (WriterContext *wctx, const char *, long long int);
281 void (*print_rational) (WriterContext *wctx, AVRational *q, char *sep);
282 void (*print_string) (WriterContext *wctx, const char *, const char *);
283 int flags; ///< a combination or WRITER_FLAG_*
286 #define SECTION_MAX_NB_LEVELS 10
288 struct WriterContext {
289 const AVClass *class; ///< class of the writer
290 const Writer *writer; ///< the Writer of which this is an instance
291 char *name; ///< name of this writer instance
292 void *priv; ///< private data for use by the filter
294 const struct section *sections; ///< array containing all sections
295 int nb_sections; ///< number of sections
297 int level; ///< current level, starting from 0
299 /** number of the item printed in the given section, starting from 0 */
300 unsigned int nb_item[SECTION_MAX_NB_LEVELS];
302 /** section per each level */
303 const struct section *section[SECTION_MAX_NB_LEVELS];
304 AVBPrint section_pbuf[SECTION_MAX_NB_LEVELS]; ///< generic print buffer dedicated to each section,
305 /// used by various writers
307 unsigned int nb_section_packet; ///< number of the packet section in case we are in "packets_and_frames" section
308 unsigned int nb_section_frame; ///< number of the frame section in case we are in "packets_and_frames" section
309 unsigned int nb_section_packet_frame; ///< nb_section_packet or nb_section_frame according if is_packets_and_frames
311 StringValidation string_validation;
312 char *string_validation_replacement;
313 unsigned int string_validation_utf8_flags;
316 static const char *writer_get_name(void *p)
318 WriterContext *wctx = p;
319 return wctx->writer->name;
322 #define OFFSET(x) offsetof(WriterContext, x)
324 static const AVOption writer_options[] = {
325 { "string_validation", "set string validation mode",
326 OFFSET(string_validation), AV_OPT_TYPE_INT, {.i64=WRITER_STRING_VALIDATION_REPLACE}, 0, WRITER_STRING_VALIDATION_NB-1, .unit = "sv" },
327 { "sv", "set string validation mode",
328 OFFSET(string_validation), AV_OPT_TYPE_INT, {.i64=WRITER_STRING_VALIDATION_REPLACE}, 0, WRITER_STRING_VALIDATION_NB-1, .unit = "sv" },
329 { "ignore", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = WRITER_STRING_VALIDATION_IGNORE}, .unit = "sv" },
330 { "replace", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = WRITER_STRING_VALIDATION_REPLACE}, .unit = "sv" },
331 { "fail", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = WRITER_STRING_VALIDATION_FAIL}, .unit = "sv" },
332 { "string_validation_replacement", "set string validation replacement string", OFFSET(string_validation_replacement), AV_OPT_TYPE_STRING, {.str=""}},
333 { "svr", "set string validation replacement string", OFFSET(string_validation_replacement), AV_OPT_TYPE_STRING, {.str=""}},
337 static void *writer_child_next(void *obj, void *prev)
339 WriterContext *ctx = obj;
340 if (!prev && ctx->writer && ctx->writer->priv_class && ctx->priv)
345 static const AVClass writer_class = {
346 .class_name = "Writer",
347 .item_name = writer_get_name,
348 .option = writer_options,
349 .version = LIBAVUTIL_VERSION_INT,
350 .child_next = writer_child_next,
353 static void writer_close(WriterContext **wctx)
360 if ((*wctx)->writer->uninit)
361 (*wctx)->writer->uninit(*wctx);
362 for (i = 0; i < SECTION_MAX_NB_LEVELS; i++)
363 av_bprint_finalize(&(*wctx)->section_pbuf[i], NULL);
364 if ((*wctx)->writer->priv_class)
365 av_opt_free((*wctx)->priv);
366 av_freep(&((*wctx)->priv));
370 static void bprint_bytes(AVBPrint *bp, const uint8_t *ubuf, size_t ubuf_size)
373 av_bprintf(bp, "0X");
374 for (i = 0; i < ubuf_size; i++)
375 av_bprintf(bp, "%02X", ubuf[i]);
379 static int writer_open(WriterContext **wctx, const Writer *writer, const char *args,
380 const struct section *sections, int nb_sections)
384 if (!(*wctx = av_mallocz(sizeof(WriterContext)))) {
385 ret = AVERROR(ENOMEM);
389 if (!((*wctx)->priv = av_mallocz(writer->priv_size))) {
390 ret = AVERROR(ENOMEM);
394 (*wctx)->class = &writer_class;
395 (*wctx)->writer = writer;
397 (*wctx)->sections = sections;
398 (*wctx)->nb_sections = nb_sections;
400 av_opt_set_defaults(*wctx);
402 if (writer->priv_class) {
403 void *priv_ctx = (*wctx)->priv;
404 *((const AVClass **)priv_ctx) = writer->priv_class;
405 av_opt_set_defaults(priv_ctx);
408 /* convert options to dictionary */
410 AVDictionary *opts = NULL;
411 AVDictionaryEntry *opt = NULL;
413 if ((ret = av_dict_parse_string(&opts, args, "=", ":", 0)) < 0) {
414 av_log(*wctx, AV_LOG_ERROR, "Failed to parse option string '%s' provided to writer context\n", args);
419 while ((opt = av_dict_get(opts, "", opt, AV_DICT_IGNORE_SUFFIX))) {
420 if ((ret = av_opt_set(*wctx, opt->key, opt->value, AV_OPT_SEARCH_CHILDREN)) < 0) {
421 av_log(*wctx, AV_LOG_ERROR, "Failed to set option '%s' with value '%s' provided to writer context\n",
422 opt->key, opt->value);
431 /* validate replace string */
433 const uint8_t *p = (*wctx)->string_validation_replacement;
434 const uint8_t *endp = p + strlen(p);
436 const uint8_t *p0 = p;
438 ret = av_utf8_decode(&code, &p, endp, (*wctx)->string_validation_utf8_flags);
441 av_bprint_init(&bp, 0, AV_BPRINT_SIZE_AUTOMATIC);
442 bprint_bytes(&bp, p0, p-p0),
443 av_log(wctx, AV_LOG_ERROR,
444 "Invalid UTF8 sequence %s found in string validation replace '%s'\n",
445 bp.str, (*wctx)->string_validation_replacement);
451 for (i = 0; i < SECTION_MAX_NB_LEVELS; i++)
452 av_bprint_init(&(*wctx)->section_pbuf[i], 1, AV_BPRINT_SIZE_UNLIMITED);
454 if ((*wctx)->writer->init)
455 ret = (*wctx)->writer->init(*wctx);
466 static inline void writer_print_section_header(WriterContext *wctx,
469 int parent_section_id;
471 av_assert0(wctx->level < SECTION_MAX_NB_LEVELS);
472 parent_section_id = wctx->level ?
473 (wctx->section[wctx->level-1])->id : SECTION_ID_NONE;
475 wctx->nb_item[wctx->level] = 0;
476 wctx->section[wctx->level] = &wctx->sections[section_id];
478 if (section_id == SECTION_ID_PACKETS_AND_FRAMES) {
479 wctx->nb_section_packet = wctx->nb_section_frame =
480 wctx->nb_section_packet_frame = 0;
481 } else if (parent_section_id == SECTION_ID_PACKETS_AND_FRAMES) {
482 wctx->nb_section_packet_frame = section_id == SECTION_ID_PACKET ?
483 wctx->nb_section_packet : wctx->nb_section_frame;
486 if (wctx->writer->print_section_header)
487 wctx->writer->print_section_header(wctx);
490 static inline void writer_print_section_footer(WriterContext *wctx)
492 int section_id = wctx->section[wctx->level]->id;
493 int parent_section_id = wctx->level ?
494 wctx->section[wctx->level-1]->id : SECTION_ID_NONE;
496 if (parent_section_id != SECTION_ID_NONE)
497 wctx->nb_item[wctx->level-1]++;
498 if (parent_section_id == SECTION_ID_PACKETS_AND_FRAMES) {
499 if (section_id == SECTION_ID_PACKET) wctx->nb_section_packet++;
500 else wctx->nb_section_frame++;
502 if (wctx->writer->print_section_footer)
503 wctx->writer->print_section_footer(wctx);
507 static inline void writer_print_integer(WriterContext *wctx,
508 const char *key, long long int val)
510 const struct section *section = wctx->section[wctx->level];
512 if (section->show_all_entries || av_dict_get(section->entries_to_show, key, NULL, 0)) {
513 wctx->writer->print_integer(wctx, key, val);
514 wctx->nb_item[wctx->level]++;
518 static inline int validate_string(WriterContext *wctx, char **dstp, const char *src)
520 const uint8_t *p, *endp;
522 int invalid_chars_nb = 0, ret = 0;
524 av_bprint_init(&dstbuf, 0, AV_BPRINT_SIZE_UNLIMITED);
526 endp = src + strlen(src);
527 for (p = (uint8_t *)src; *p;) {
530 const uint8_t *p0 = p;
532 if (av_utf8_decode(&code, &p, endp, wctx->string_validation_utf8_flags) < 0) {
534 av_bprint_init(&bp, 0, AV_BPRINT_SIZE_AUTOMATIC);
535 bprint_bytes(&bp, p0, p-p0);
536 av_log(wctx, AV_LOG_DEBUG,
537 "Invalid UTF-8 sequence %s found in string '%s'\n", bp.str, src);
544 switch (wctx->string_validation) {
545 case WRITER_STRING_VALIDATION_FAIL:
546 av_log(wctx, AV_LOG_ERROR,
547 "Invalid UTF-8 sequence found in string '%s'\n", src);
548 ret = AVERROR_INVALIDDATA;
552 case WRITER_STRING_VALIDATION_REPLACE:
553 av_bprintf(&dstbuf, "%s", wctx->string_validation_replacement);
558 if (!invalid || wctx->string_validation == WRITER_STRING_VALIDATION_IGNORE)
559 av_bprint_append_data(&dstbuf, p0, p-p0);
562 if (invalid_chars_nb && wctx->string_validation == WRITER_STRING_VALIDATION_REPLACE) {
563 av_log(wctx, AV_LOG_WARNING,
564 "%d invalid UTF-8 sequence(s) found in string '%s', replaced with '%s'\n",
565 invalid_chars_nb, src, wctx->string_validation_replacement);
569 av_bprint_finalize(&dstbuf, dstp);
573 #define PRINT_STRING_OPT 1
574 #define PRINT_STRING_VALIDATE 2
576 static inline int writer_print_string(WriterContext *wctx,
577 const char *key, const char *val, int flags)
579 const struct section *section = wctx->section[wctx->level];
582 if ((flags & PRINT_STRING_OPT)
583 && !(wctx->writer->flags & WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS))
586 if (section->show_all_entries || av_dict_get(section->entries_to_show, key, NULL, 0)) {
587 if (flags & PRINT_STRING_VALIDATE) {
588 char *key1 = NULL, *val1 = NULL;
589 ret = validate_string(wctx, &key1, key);
590 if (ret < 0) goto end;
591 ret = validate_string(wctx, &val1, val);
592 if (ret < 0) goto end;
593 wctx->writer->print_string(wctx, key1, val1);
596 av_log(wctx, AV_LOG_ERROR,
597 "Invalid key=value string combination %s=%s in section %s\n",
598 key, val, section->unique_name);
603 wctx->writer->print_string(wctx, key, val);
606 wctx->nb_item[wctx->level]++;
612 static inline void writer_print_rational(WriterContext *wctx,
613 const char *key, AVRational q, char sep)
616 av_bprint_init(&buf, 0, AV_BPRINT_SIZE_AUTOMATIC);
617 av_bprintf(&buf, "%d%c%d", q.num, sep, q.den);
618 writer_print_string(wctx, key, buf.str, 0);
621 static void writer_print_time(WriterContext *wctx, const char *key,
622 int64_t ts, const AVRational *time_base, int is_duration)
626 if ((!is_duration && ts == AV_NOPTS_VALUE) || (is_duration && ts == 0)) {
627 writer_print_string(wctx, key, "N/A", PRINT_STRING_OPT);
629 double d = ts * av_q2d(*time_base);
630 struct unit_value uv;
632 uv.unit = unit_second_str;
633 value_string(buf, sizeof(buf), uv);
634 writer_print_string(wctx, key, buf, 0);
638 static void writer_print_ts(WriterContext *wctx, const char *key, int64_t ts, int is_duration)
640 if ((!is_duration && ts == AV_NOPTS_VALUE) || (is_duration && ts == 0)) {
641 writer_print_string(wctx, key, "N/A", PRINT_STRING_OPT);
643 writer_print_integer(wctx, key, ts);
647 static void writer_print_data(WriterContext *wctx, const char *name,
648 uint8_t *data, int size)
651 int offset = 0, l, i;
653 av_bprint_init(&bp, 0, AV_BPRINT_SIZE_UNLIMITED);
654 av_bprintf(&bp, "\n");
656 av_bprintf(&bp, "%08x: ", offset);
658 for (i = 0; i < l; i++) {
659 av_bprintf(&bp, "%02x", data[i]);
661 av_bprintf(&bp, " ");
663 av_bprint_chars(&bp, ' ', 41 - 2 * i - i / 2);
664 for (i = 0; i < l; i++)
665 av_bprint_chars(&bp, data[i] - 32U < 95 ? data[i] : '.', 1);
666 av_bprintf(&bp, "\n");
671 writer_print_string(wctx, name, bp.str, 0);
672 av_bprint_finalize(&bp, NULL);
675 #define MAX_REGISTERED_WRITERS_NB 64
677 static const Writer *registered_writers[MAX_REGISTERED_WRITERS_NB + 1];
679 static int writer_register(const Writer *writer)
681 static int next_registered_writer_idx = 0;
683 if (next_registered_writer_idx == MAX_REGISTERED_WRITERS_NB)
684 return AVERROR(ENOMEM);
686 registered_writers[next_registered_writer_idx++] = writer;
690 static const Writer *writer_get_by_name(const char *name)
694 for (i = 0; registered_writers[i]; i++)
695 if (!strcmp(registered_writers[i]->name, name))
696 return registered_writers[i];
704 #define DEFINE_WRITER_CLASS(name) \
705 static const char *name##_get_name(void *ctx) \
709 static const AVClass name##_class = { \
710 .class_name = #name, \
711 .item_name = name##_get_name, \
712 .option = name##_options \
717 typedef struct DefaultContext {
718 const AVClass *class;
720 int noprint_wrappers;
721 int nested_section[SECTION_MAX_NB_LEVELS];
725 #define OFFSET(x) offsetof(DefaultContext, x)
727 static const AVOption default_options[] = {
728 { "noprint_wrappers", "do not print headers and footers", OFFSET(noprint_wrappers), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
729 { "nw", "do not print headers and footers", OFFSET(noprint_wrappers), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
730 { "nokey", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
731 { "nk", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
735 DEFINE_WRITER_CLASS(default);
737 /* lame uppercasing routine, assumes the string is lower case ASCII */
738 static inline char *upcase_string(char *dst, size_t dst_size, const char *src)
741 for (i = 0; src[i] && i < dst_size-1; i++)
742 dst[i] = av_toupper(src[i]);
747 static void default_print_section_header(WriterContext *wctx)
749 DefaultContext *def = wctx->priv;
751 const struct section *section = wctx->section[wctx->level];
752 const struct section *parent_section = wctx->level ?
753 wctx->section[wctx->level-1] : NULL;
755 av_bprint_clear(&wctx->section_pbuf[wctx->level]);
756 if (parent_section &&
757 !(parent_section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY))) {
758 def->nested_section[wctx->level] = 1;
759 av_bprintf(&wctx->section_pbuf[wctx->level], "%s%s:",
760 wctx->section_pbuf[wctx->level-1].str,
761 upcase_string(buf, sizeof(buf),
762 av_x_if_null(section->element_name, section->name)));
765 if (def->noprint_wrappers || def->nested_section[wctx->level])
768 if (!(section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY)))
769 printf("[%s]\n", upcase_string(buf, sizeof(buf), section->name));
772 static void default_print_section_footer(WriterContext *wctx)
774 DefaultContext *def = wctx->priv;
775 const struct section *section = wctx->section[wctx->level];
778 if (def->noprint_wrappers || def->nested_section[wctx->level])
781 if (!(section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY)))
782 printf("[/%s]\n", upcase_string(buf, sizeof(buf), section->name));
785 static void default_print_str(WriterContext *wctx, const char *key, const char *value)
787 DefaultContext *def = wctx->priv;
790 printf("%s%s=", wctx->section_pbuf[wctx->level].str, key);
791 printf("%s\n", value);
794 static void default_print_int(WriterContext *wctx, const char *key, long long int value)
796 DefaultContext *def = wctx->priv;
799 printf("%s%s=", wctx->section_pbuf[wctx->level].str, key);
800 printf("%lld\n", value);
803 static const Writer default_writer = {
805 .priv_size = sizeof(DefaultContext),
806 .print_section_header = default_print_section_header,
807 .print_section_footer = default_print_section_footer,
808 .print_integer = default_print_int,
809 .print_string = default_print_str,
810 .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS,
811 .priv_class = &default_class,
817 * Apply C-language-like string escaping.
819 static const char *c_escape_str(AVBPrint *dst, const char *src, const char sep, void *log_ctx)
823 for (p = src; *p; p++) {
825 case '\b': av_bprintf(dst, "%s", "\\b"); break;
826 case '\f': av_bprintf(dst, "%s", "\\f"); break;
827 case '\n': av_bprintf(dst, "%s", "\\n"); break;
828 case '\r': av_bprintf(dst, "%s", "\\r"); break;
829 case '\\': av_bprintf(dst, "%s", "\\\\"); break;
832 av_bprint_chars(dst, '\\', 1);
833 av_bprint_chars(dst, *p, 1);
840 * Quote fields containing special characters, check RFC4180.
842 static const char *csv_escape_str(AVBPrint *dst, const char *src, const char sep, void *log_ctx)
844 char meta_chars[] = { sep, '"', '\n', '\r', '\0' };
845 int needs_quoting = !!src[strcspn(src, meta_chars)];
848 av_bprint_chars(dst, '"', 1);
850 for (; *src; src++) {
852 av_bprint_chars(dst, '"', 1);
853 av_bprint_chars(dst, *src, 1);
856 av_bprint_chars(dst, '"', 1);
860 static const char *none_escape_str(AVBPrint *dst, const char *src, const char sep, void *log_ctx)
865 typedef struct CompactContext {
866 const AVClass *class;
871 char *escape_mode_str;
872 const char * (*escape_str)(AVBPrint *dst, const char *src, const char sep, void *log_ctx);
873 int nested_section[SECTION_MAX_NB_LEVELS];
874 int has_nested_elems[SECTION_MAX_NB_LEVELS];
875 int terminate_line[SECTION_MAX_NB_LEVELS];
879 #define OFFSET(x) offsetof(CompactContext, x)
881 static const AVOption compact_options[]= {
882 {"item_sep", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str="|"}, CHAR_MIN, CHAR_MAX },
883 {"s", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str="|"}, CHAR_MIN, CHAR_MAX },
884 {"nokey", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
885 {"nk", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
886 {"escape", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="c"}, CHAR_MIN, CHAR_MAX },
887 {"e", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="c"}, CHAR_MIN, CHAR_MAX },
888 {"print_section", "print section name", OFFSET(print_section), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
889 {"p", "print section name", OFFSET(print_section), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
893 DEFINE_WRITER_CLASS(compact);
895 static av_cold int compact_init(WriterContext *wctx)
897 CompactContext *compact = wctx->priv;
899 if (strlen(compact->item_sep_str) != 1) {
900 av_log(wctx, AV_LOG_ERROR, "Item separator '%s' specified, but must contain a single character\n",
901 compact->item_sep_str);
902 return AVERROR(EINVAL);
904 compact->item_sep = compact->item_sep_str[0];
906 if (!strcmp(compact->escape_mode_str, "none")) compact->escape_str = none_escape_str;
907 else if (!strcmp(compact->escape_mode_str, "c" )) compact->escape_str = c_escape_str;
908 else if (!strcmp(compact->escape_mode_str, "csv" )) compact->escape_str = csv_escape_str;
910 av_log(wctx, AV_LOG_ERROR, "Unknown escape mode '%s'\n", compact->escape_mode_str);
911 return AVERROR(EINVAL);
917 static void compact_print_section_header(WriterContext *wctx)
919 CompactContext *compact = wctx->priv;
920 const struct section *section = wctx->section[wctx->level];
921 const struct section *parent_section = wctx->level ?
922 wctx->section[wctx->level-1] : NULL;
923 compact->terminate_line[wctx->level] = 1;
924 compact->has_nested_elems[wctx->level] = 0;
926 av_bprint_clear(&wctx->section_pbuf[wctx->level]);
927 if (!(section->flags & SECTION_FLAG_IS_ARRAY) && parent_section &&
928 !(parent_section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY))) {
929 compact->nested_section[wctx->level] = 1;
930 compact->has_nested_elems[wctx->level-1] = 1;
931 av_bprintf(&wctx->section_pbuf[wctx->level], "%s%s:",
932 wctx->section_pbuf[wctx->level-1].str,
933 (char *)av_x_if_null(section->element_name, section->name));
934 wctx->nb_item[wctx->level] = wctx->nb_item[wctx->level-1];
936 if (parent_section && compact->has_nested_elems[wctx->level-1] &&
937 (section->flags & SECTION_FLAG_IS_ARRAY)) {
938 compact->terminate_line[wctx->level-1] = 0;
941 if (compact->print_section &&
942 !(section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY)))
943 printf("%s%c", section->name, compact->item_sep);
947 static void compact_print_section_footer(WriterContext *wctx)
949 CompactContext *compact = wctx->priv;
951 if (!compact->nested_section[wctx->level] &&
952 compact->terminate_line[wctx->level] &&
953 !(wctx->section[wctx->level]->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY)))
957 static void compact_print_str(WriterContext *wctx, const char *key, const char *value)
959 CompactContext *compact = wctx->priv;
962 if (wctx->nb_item[wctx->level]) printf("%c", compact->item_sep);
964 printf("%s%s=", wctx->section_pbuf[wctx->level].str, key);
965 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
966 printf("%s", compact->escape_str(&buf, value, compact->item_sep, wctx));
967 av_bprint_finalize(&buf, NULL);
970 static void compact_print_int(WriterContext *wctx, const char *key, long long int value)
972 CompactContext *compact = wctx->priv;
974 if (wctx->nb_item[wctx->level]) printf("%c", compact->item_sep);
976 printf("%s%s=", wctx->section_pbuf[wctx->level].str, key);
977 printf("%lld", value);
980 static const Writer compact_writer = {
982 .priv_size = sizeof(CompactContext),
983 .init = compact_init,
984 .print_section_header = compact_print_section_header,
985 .print_section_footer = compact_print_section_footer,
986 .print_integer = compact_print_int,
987 .print_string = compact_print_str,
988 .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS,
989 .priv_class = &compact_class,
995 #define OFFSET(x) offsetof(CompactContext, x)
997 static const AVOption csv_options[] = {
998 {"item_sep", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str=","}, CHAR_MIN, CHAR_MAX },
999 {"s", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str=","}, CHAR_MIN, CHAR_MAX },
1000 {"nokey", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
1001 {"nk", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
1002 {"escape", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="csv"}, CHAR_MIN, CHAR_MAX },
1003 {"e", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="csv"}, CHAR_MIN, CHAR_MAX },
1004 {"print_section", "print section name", OFFSET(print_section), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
1005 {"p", "print section name", OFFSET(print_section), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
1009 DEFINE_WRITER_CLASS(csv);
1011 static const Writer csv_writer = {
1013 .priv_size = sizeof(CompactContext),
1014 .init = compact_init,
1015 .print_section_header = compact_print_section_header,
1016 .print_section_footer = compact_print_section_footer,
1017 .print_integer = compact_print_int,
1018 .print_string = compact_print_str,
1019 .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS,
1020 .priv_class = &csv_class,
1025 typedef struct FlatContext {
1026 const AVClass *class;
1027 const char *sep_str;
1033 #define OFFSET(x) offsetof(FlatContext, x)
1035 static const AVOption flat_options[]= {
1036 {"sep_char", "set separator", OFFSET(sep_str), AV_OPT_TYPE_STRING, {.str="."}, CHAR_MIN, CHAR_MAX },
1037 {"s", "set separator", OFFSET(sep_str), AV_OPT_TYPE_STRING, {.str="."}, CHAR_MIN, CHAR_MAX },
1038 {"hierarchical", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
1039 {"h", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
1043 DEFINE_WRITER_CLASS(flat);
1045 static av_cold int flat_init(WriterContext *wctx)
1047 FlatContext *flat = wctx->priv;
1049 if (strlen(flat->sep_str) != 1) {
1050 av_log(wctx, AV_LOG_ERROR, "Item separator '%s' specified, but must contain a single character\n",
1052 return AVERROR(EINVAL);
1054 flat->sep = flat->sep_str[0];
1059 static const char *flat_escape_key_str(AVBPrint *dst, const char *src, const char sep)
1063 for (p = src; *p; p++) {
1064 if (!((*p >= '0' && *p <= '9') ||
1065 (*p >= 'a' && *p <= 'z') ||
1066 (*p >= 'A' && *p <= 'Z')))
1067 av_bprint_chars(dst, '_', 1);
1069 av_bprint_chars(dst, *p, 1);
1074 static const char *flat_escape_value_str(AVBPrint *dst, const char *src)
1078 for (p = src; *p; p++) {
1080 case '\n': av_bprintf(dst, "%s", "\\n"); break;
1081 case '\r': av_bprintf(dst, "%s", "\\r"); break;
1082 case '\\': av_bprintf(dst, "%s", "\\\\"); break;
1083 case '"': av_bprintf(dst, "%s", "\\\""); break;
1084 case '`': av_bprintf(dst, "%s", "\\`"); break;
1085 case '$': av_bprintf(dst, "%s", "\\$"); break;
1086 default: av_bprint_chars(dst, *p, 1); break;
1092 static void flat_print_section_header(WriterContext *wctx)
1094 FlatContext *flat = wctx->priv;
1095 AVBPrint *buf = &wctx->section_pbuf[wctx->level];
1096 const struct section *section = wctx->section[wctx->level];
1097 const struct section *parent_section = wctx->level ?
1098 wctx->section[wctx->level-1] : NULL;
1100 /* build section header */
1101 av_bprint_clear(buf);
1102 if (!parent_section)
1104 av_bprintf(buf, "%s", wctx->section_pbuf[wctx->level-1].str);
1106 if (flat->hierarchical ||
1107 !(section->flags & (SECTION_FLAG_IS_ARRAY|SECTION_FLAG_IS_WRAPPER))) {
1108 av_bprintf(buf, "%s%s", wctx->section[wctx->level]->name, flat->sep_str);
1110 if (parent_section->flags & SECTION_FLAG_IS_ARRAY) {
1111 int n = parent_section->id == SECTION_ID_PACKETS_AND_FRAMES ?
1112 wctx->nb_section_packet_frame : wctx->nb_item[wctx->level-1];
1113 av_bprintf(buf, "%d%s", n, flat->sep_str);
1118 static void flat_print_int(WriterContext *wctx, const char *key, long long int value)
1120 printf("%s%s=%lld\n", wctx->section_pbuf[wctx->level].str, key, value);
1123 static void flat_print_str(WriterContext *wctx, const char *key, const char *value)
1125 FlatContext *flat = wctx->priv;
1128 printf("%s", wctx->section_pbuf[wctx->level].str);
1129 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1130 printf("%s=", flat_escape_key_str(&buf, key, flat->sep));
1131 av_bprint_clear(&buf);
1132 printf("\"%s\"\n", flat_escape_value_str(&buf, value));
1133 av_bprint_finalize(&buf, NULL);
1136 static const Writer flat_writer = {
1138 .priv_size = sizeof(FlatContext),
1140 .print_section_header = flat_print_section_header,
1141 .print_integer = flat_print_int,
1142 .print_string = flat_print_str,
1143 .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS|WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,
1144 .priv_class = &flat_class,
1147 /* INI format output */
1150 const AVClass *class;
1155 #define OFFSET(x) offsetof(INIContext, x)
1157 static const AVOption ini_options[] = {
1158 {"hierarchical", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
1159 {"h", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
1163 DEFINE_WRITER_CLASS(ini);
1165 static char *ini_escape_str(AVBPrint *dst, const char *src)
1170 while (c = src[i++]) {
1172 case '\b': av_bprintf(dst, "%s", "\\b"); break;
1173 case '\f': av_bprintf(dst, "%s", "\\f"); break;
1174 case '\n': av_bprintf(dst, "%s", "\\n"); break;
1175 case '\r': av_bprintf(dst, "%s", "\\r"); break;
1176 case '\t': av_bprintf(dst, "%s", "\\t"); break;
1180 case ':' : av_bprint_chars(dst, '\\', 1);
1182 if ((unsigned char)c < 32)
1183 av_bprintf(dst, "\\x00%02x", c & 0xff);
1185 av_bprint_chars(dst, c, 1);
1192 static void ini_print_section_header(WriterContext *wctx)
1194 INIContext *ini = wctx->priv;
1195 AVBPrint *buf = &wctx->section_pbuf[wctx->level];
1196 const struct section *section = wctx->section[wctx->level];
1197 const struct section *parent_section = wctx->level ?
1198 wctx->section[wctx->level-1] : NULL;
1200 av_bprint_clear(buf);
1201 if (!parent_section) {
1202 printf("# ffprobe output\n\n");
1206 if (wctx->nb_item[wctx->level-1])
1209 av_bprintf(buf, "%s", wctx->section_pbuf[wctx->level-1].str);
1210 if (ini->hierarchical ||
1211 !(section->flags & (SECTION_FLAG_IS_ARRAY|SECTION_FLAG_IS_WRAPPER))) {
1212 av_bprintf(buf, "%s%s", buf->str[0] ? "." : "", wctx->section[wctx->level]->name);
1214 if (parent_section->flags & SECTION_FLAG_IS_ARRAY) {
1215 int n = parent_section->id == SECTION_ID_PACKETS_AND_FRAMES ?
1216 wctx->nb_section_packet_frame : wctx->nb_item[wctx->level-1];
1217 av_bprintf(buf, ".%d", n);
1221 if (!(section->flags & (SECTION_FLAG_IS_ARRAY|SECTION_FLAG_IS_WRAPPER)))
1222 printf("[%s]\n", buf->str);
1225 static void ini_print_str(WriterContext *wctx, const char *key, const char *value)
1229 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1230 printf("%s=", ini_escape_str(&buf, key));
1231 av_bprint_clear(&buf);
1232 printf("%s\n", ini_escape_str(&buf, value));
1233 av_bprint_finalize(&buf, NULL);
1236 static void ini_print_int(WriterContext *wctx, const char *key, long long int value)
1238 printf("%s=%lld\n", key, value);
1241 static const Writer ini_writer = {
1243 .priv_size = sizeof(INIContext),
1244 .print_section_header = ini_print_section_header,
1245 .print_integer = ini_print_int,
1246 .print_string = ini_print_str,
1247 .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS|WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,
1248 .priv_class = &ini_class,
1254 const AVClass *class;
1257 const char *item_sep, *item_start_end;
1261 #define OFFSET(x) offsetof(JSONContext, x)
1263 static const AVOption json_options[]= {
1264 { "compact", "enable compact output", OFFSET(compact), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
1265 { "c", "enable compact output", OFFSET(compact), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
1269 DEFINE_WRITER_CLASS(json);
1271 static av_cold int json_init(WriterContext *wctx)
1273 JSONContext *json = wctx->priv;
1275 json->item_sep = json->compact ? ", " : ",\n";
1276 json->item_start_end = json->compact ? " " : "\n";
1281 static const char *json_escape_str(AVBPrint *dst, const char *src, void *log_ctx)
1283 static const char json_escape[] = {'"', '\\', '\b', '\f', '\n', '\r', '\t', 0};
1284 static const char json_subst[] = {'"', '\\', 'b', 'f', 'n', 'r', 't', 0};
1287 for (p = src; *p; p++) {
1288 char *s = strchr(json_escape, *p);
1290 av_bprint_chars(dst, '\\', 1);
1291 av_bprint_chars(dst, json_subst[s - json_escape], 1);
1292 } else if ((unsigned char)*p < 32) {
1293 av_bprintf(dst, "\\u00%02x", *p & 0xff);
1295 av_bprint_chars(dst, *p, 1);
1301 #define JSON_INDENT() printf("%*c", json->indent_level * 4, ' ')
1303 static void json_print_section_header(WriterContext *wctx)
1305 JSONContext *json = wctx->priv;
1307 const struct section *section = wctx->section[wctx->level];
1308 const struct section *parent_section = wctx->level ?
1309 wctx->section[wctx->level-1] : NULL;
1311 if (wctx->level && wctx->nb_item[wctx->level-1])
1314 if (section->flags & SECTION_FLAG_IS_WRAPPER) {
1316 json->indent_level++;
1318 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1319 json_escape_str(&buf, section->name, wctx);
1322 json->indent_level++;
1323 if (section->flags & SECTION_FLAG_IS_ARRAY) {
1324 printf("\"%s\": [\n", buf.str);
1325 } else if (parent_section && !(parent_section->flags & SECTION_FLAG_IS_ARRAY)) {
1326 printf("\"%s\": {%s", buf.str, json->item_start_end);
1328 printf("{%s", json->item_start_end);
1330 /* this is required so the parser can distinguish between packets and frames */
1331 if (parent_section && parent_section->id == SECTION_ID_PACKETS_AND_FRAMES) {
1334 printf("\"type\": \"%s\"%s", section->name, json->item_sep);
1337 av_bprint_finalize(&buf, NULL);
1341 static void json_print_section_footer(WriterContext *wctx)
1343 JSONContext *json = wctx->priv;
1344 const struct section *section = wctx->section[wctx->level];
1346 if (wctx->level == 0) {
1347 json->indent_level--;
1349 } else if (section->flags & SECTION_FLAG_IS_ARRAY) {
1351 json->indent_level--;
1355 printf("%s", json->item_start_end);
1356 json->indent_level--;
1363 static inline void json_print_item_str(WriterContext *wctx,
1364 const char *key, const char *value)
1368 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1369 printf("\"%s\":", json_escape_str(&buf, key, wctx));
1370 av_bprint_clear(&buf);
1371 printf(" \"%s\"", json_escape_str(&buf, value, wctx));
1372 av_bprint_finalize(&buf, NULL);
1375 static void json_print_str(WriterContext *wctx, const char *key, const char *value)
1377 JSONContext *json = wctx->priv;
1379 if (wctx->nb_item[wctx->level])
1380 printf("%s", json->item_sep);
1383 json_print_item_str(wctx, key, value);
1386 static void json_print_int(WriterContext *wctx, const char *key, long long int value)
1388 JSONContext *json = wctx->priv;
1391 if (wctx->nb_item[wctx->level])
1392 printf("%s", json->item_sep);
1396 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1397 printf("\"%s\": %lld", json_escape_str(&buf, key, wctx), value);
1398 av_bprint_finalize(&buf, NULL);
1401 static const Writer json_writer = {
1403 .priv_size = sizeof(JSONContext),
1405 .print_section_header = json_print_section_header,
1406 .print_section_footer = json_print_section_footer,
1407 .print_integer = json_print_int,
1408 .print_string = json_print_str,
1409 .flags = WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,
1410 .priv_class = &json_class,
1416 const AVClass *class;
1419 int fully_qualified;
1424 #define OFFSET(x) offsetof(XMLContext, x)
1426 static const AVOption xml_options[] = {
1427 {"fully_qualified", "specify if the output should be fully qualified", OFFSET(fully_qualified), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
1428 {"q", "specify if the output should be fully qualified", OFFSET(fully_qualified), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
1429 {"xsd_strict", "ensure that the output is XSD compliant", OFFSET(xsd_strict), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
1430 {"x", "ensure that the output is XSD compliant", OFFSET(xsd_strict), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
1434 DEFINE_WRITER_CLASS(xml);
1436 static av_cold int xml_init(WriterContext *wctx)
1438 XMLContext *xml = wctx->priv;
1440 if (xml->xsd_strict) {
1441 xml->fully_qualified = 1;
1442 #define CHECK_COMPLIANCE(opt, opt_name) \
1444 av_log(wctx, AV_LOG_ERROR, \
1445 "XSD-compliant output selected but option '%s' was selected, XML output may be non-compliant.\n" \
1446 "You need to disable such option with '-no%s'\n", opt_name, opt_name); \
1447 return AVERROR(EINVAL); \
1449 CHECK_COMPLIANCE(show_private_data, "private");
1450 CHECK_COMPLIANCE(show_value_unit, "unit");
1451 CHECK_COMPLIANCE(use_value_prefix, "prefix");
1453 if (do_show_frames && do_show_packets) {
1454 av_log(wctx, AV_LOG_ERROR,
1455 "Interleaved frames and packets are not allowed in XSD. "
1456 "Select only one between the -show_frames and the -show_packets options.\n");
1457 return AVERROR(EINVAL);
1464 static const char *xml_escape_str(AVBPrint *dst, const char *src, void *log_ctx)
1468 for (p = src; *p; p++) {
1470 case '&' : av_bprintf(dst, "%s", "&"); break;
1471 case '<' : av_bprintf(dst, "%s", "<"); break;
1472 case '>' : av_bprintf(dst, "%s", ">"); break;
1473 case '"' : av_bprintf(dst, "%s", """); break;
1474 case '\'': av_bprintf(dst, "%s", "'"); break;
1475 default: av_bprint_chars(dst, *p, 1);
1482 #define XML_INDENT() printf("%*c", xml->indent_level * 4, ' ')
1484 static void xml_print_section_header(WriterContext *wctx)
1486 XMLContext *xml = wctx->priv;
1487 const struct section *section = wctx->section[wctx->level];
1488 const struct section *parent_section = wctx->level ?
1489 wctx->section[wctx->level-1] : NULL;
1491 if (wctx->level == 0) {
1492 const char *qual = " xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' "
1493 "xmlns:ffprobe='http://www.ffmpeg.org/schema/ffprobe' "
1494 "xsi:schemaLocation='http://www.ffmpeg.org/schema/ffprobe ffprobe.xsd'";
1496 printf("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");
1497 printf("<%sffprobe%s>\n",
1498 xml->fully_qualified ? "ffprobe:" : "",
1499 xml->fully_qualified ? qual : "");
1503 if (xml->within_tag) {
1504 xml->within_tag = 0;
1507 if (section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS) {
1508 xml->indent_level++;
1510 if (parent_section && (parent_section->flags & SECTION_FLAG_IS_WRAPPER) &&
1511 wctx->level && wctx->nb_item[wctx->level-1])
1513 xml->indent_level++;
1515 if (section->flags & SECTION_FLAG_IS_ARRAY) {
1516 XML_INDENT(); printf("<%s>\n", section->name);
1518 XML_INDENT(); printf("<%s ", section->name);
1519 xml->within_tag = 1;
1524 static void xml_print_section_footer(WriterContext *wctx)
1526 XMLContext *xml = wctx->priv;
1527 const struct section *section = wctx->section[wctx->level];
1529 if (wctx->level == 0) {
1530 printf("</%sffprobe>\n", xml->fully_qualified ? "ffprobe:" : "");
1531 } else if (xml->within_tag) {
1532 xml->within_tag = 0;
1534 xml->indent_level--;
1535 } else if (section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS) {
1536 xml->indent_level--;
1538 XML_INDENT(); printf("</%s>\n", section->name);
1539 xml->indent_level--;
1543 static void xml_print_str(WriterContext *wctx, const char *key, const char *value)
1546 XMLContext *xml = wctx->priv;
1547 const struct section *section = wctx->section[wctx->level];
1549 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1551 if (section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS) {
1553 printf("<%s key=\"%s\"",
1554 section->element_name, xml_escape_str(&buf, key, wctx));
1555 av_bprint_clear(&buf);
1556 printf(" value=\"%s\"/>\n", xml_escape_str(&buf, value, wctx));
1558 if (wctx->nb_item[wctx->level])
1560 printf("%s=\"%s\"", key, xml_escape_str(&buf, value, wctx));
1563 av_bprint_finalize(&buf, NULL);
1566 static void xml_print_int(WriterContext *wctx, const char *key, long long int value)
1568 if (wctx->nb_item[wctx->level])
1570 printf("%s=\"%lld\"", key, value);
1573 static Writer xml_writer = {
1575 .priv_size = sizeof(XMLContext),
1577 .print_section_header = xml_print_section_header,
1578 .print_section_footer = xml_print_section_footer,
1579 .print_integer = xml_print_int,
1580 .print_string = xml_print_str,
1581 .flags = WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,
1582 .priv_class = &xml_class,
1585 static void writer_register_all(void)
1587 static int initialized;
1593 writer_register(&default_writer);
1594 writer_register(&compact_writer);
1595 writer_register(&csv_writer);
1596 writer_register(&flat_writer);
1597 writer_register(&ini_writer);
1598 writer_register(&json_writer);
1599 writer_register(&xml_writer);
1602 #define print_fmt(k, f, ...) do { \
1603 av_bprint_clear(&pbuf); \
1604 av_bprintf(&pbuf, f, __VA_ARGS__); \
1605 writer_print_string(w, k, pbuf.str, 0); \
1608 #define print_int(k, v) writer_print_integer(w, k, v)
1609 #define print_q(k, v, s) writer_print_rational(w, k, v, s)
1610 #define print_str(k, v) writer_print_string(w, k, v, 0)
1611 #define print_str_opt(k, v) writer_print_string(w, k, v, PRINT_STRING_OPT)
1612 #define print_str_validate(k, v) writer_print_string(w, k, v, PRINT_STRING_VALIDATE)
1613 #define print_time(k, v, tb) writer_print_time(w, k, v, tb, 0)
1614 #define print_ts(k, v) writer_print_ts(w, k, v, 0)
1615 #define print_duration_time(k, v, tb) writer_print_time(w, k, v, tb, 1)
1616 #define print_duration_ts(k, v) writer_print_ts(w, k, v, 1)
1617 #define print_val(k, v, u) do { \
1618 struct unit_value uv; \
1621 writer_print_string(w, k, value_string(val_str, sizeof(val_str), uv), 0); \
1624 #define print_section_header(s) writer_print_section_header(w, s)
1625 #define print_section_footer(s) writer_print_section_footer(w, s)
1627 static inline int show_tags(WriterContext *w, AVDictionary *tags, int section_id)
1629 AVDictionaryEntry *tag = NULL;
1634 writer_print_section_header(w, section_id);
1636 while ((tag = av_dict_get(tags, "", tag, AV_DICT_IGNORE_SUFFIX))) {
1637 if ((ret = print_str_validate(tag->key, tag->value)) < 0)
1640 writer_print_section_footer(w);
1645 static void show_packet(WriterContext *w, AVFormatContext *fmt_ctx, AVPacket *pkt, int packet_idx)
1648 AVStream *st = fmt_ctx->streams[pkt->stream_index];
1652 av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
1654 writer_print_section_header(w, SECTION_ID_PACKET);
1656 s = av_get_media_type_string(st->codec->codec_type);
1657 if (s) print_str ("codec_type", s);
1658 else print_str_opt("codec_type", "unknown");
1659 print_int("stream_index", pkt->stream_index);
1660 print_ts ("pts", pkt->pts);
1661 print_time("pts_time", pkt->pts, &st->time_base);
1662 print_ts ("dts", pkt->dts);
1663 print_time("dts_time", pkt->dts, &st->time_base);
1664 print_duration_ts("duration", pkt->duration);
1665 print_duration_time("duration_time", pkt->duration, &st->time_base);
1666 print_duration_ts("convergence_duration", pkt->convergence_duration);
1667 print_duration_time("convergence_duration_time", pkt->convergence_duration, &st->time_base);
1668 print_val("size", pkt->size, unit_byte_str);
1669 if (pkt->pos != -1) print_fmt ("pos", "%"PRId64, pkt->pos);
1670 else print_str_opt("pos", "N/A");
1671 print_fmt("flags", "%c", pkt->flags & AV_PKT_FLAG_KEY ? 'K' : '_');
1673 writer_print_data(w, "data", pkt->data, pkt->size);
1674 writer_print_section_footer(w);
1676 av_bprint_finalize(&pbuf, NULL);
1680 static void show_subtitle(WriterContext *w, AVSubtitle *sub, AVStream *stream,
1681 AVFormatContext *fmt_ctx)
1685 av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
1687 writer_print_section_header(w, SECTION_ID_SUBTITLE);
1689 print_str ("media_type", "subtitle");
1690 print_ts ("pts", sub->pts);
1691 print_time("pts_time", sub->pts, &AV_TIME_BASE_Q);
1692 print_int ("format", sub->format);
1693 print_int ("start_display_time", sub->start_display_time);
1694 print_int ("end_display_time", sub->end_display_time);
1695 print_int ("num_rects", sub->num_rects);
1697 writer_print_section_footer(w);
1699 av_bprint_finalize(&pbuf, NULL);
1703 static void show_frame(WriterContext *w, AVFrame *frame, AVStream *stream,
1704 AVFormatContext *fmt_ctx)
1709 av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
1711 writer_print_section_header(w, SECTION_ID_FRAME);
1713 s = av_get_media_type_string(stream->codec->codec_type);
1714 if (s) print_str ("media_type", s);
1715 else print_str_opt("media_type", "unknown");
1716 print_int("key_frame", frame->key_frame);
1717 print_ts ("pkt_pts", frame->pkt_pts);
1718 print_time("pkt_pts_time", frame->pkt_pts, &stream->time_base);
1719 print_ts ("pkt_dts", frame->pkt_dts);
1720 print_time("pkt_dts_time", frame->pkt_dts, &stream->time_base);
1721 print_duration_ts ("pkt_duration", av_frame_get_pkt_duration(frame));
1722 print_duration_time("pkt_duration_time", av_frame_get_pkt_duration(frame), &stream->time_base);
1723 if (av_frame_get_pkt_pos (frame) != -1) print_fmt ("pkt_pos", "%"PRId64, av_frame_get_pkt_pos(frame));
1724 else print_str_opt("pkt_pos", "N/A");
1725 if (av_frame_get_pkt_size(frame) != -1) print_fmt ("pkt_size", "%d", av_frame_get_pkt_size(frame));
1726 else print_str_opt("pkt_size", "N/A");
1728 switch (stream->codec->codec_type) {
1731 case AVMEDIA_TYPE_VIDEO:
1732 print_int("width", frame->width);
1733 print_int("height", frame->height);
1734 s = av_get_pix_fmt_name(frame->format);
1735 if (s) print_str ("pix_fmt", s);
1736 else print_str_opt("pix_fmt", "unknown");
1737 sar = av_guess_sample_aspect_ratio(fmt_ctx, stream, frame);
1739 print_q("sample_aspect_ratio", sar, ':');
1741 print_str_opt("sample_aspect_ratio", "N/A");
1743 print_fmt("pict_type", "%c", av_get_picture_type_char(frame->pict_type));
1744 print_int("coded_picture_number", frame->coded_picture_number);
1745 print_int("display_picture_number", frame->display_picture_number);
1746 print_int("interlaced_frame", frame->interlaced_frame);
1747 print_int("top_field_first", frame->top_field_first);
1748 print_int("repeat_pict", frame->repeat_pict);
1751 case AVMEDIA_TYPE_AUDIO:
1752 s = av_get_sample_fmt_name(frame->format);
1753 if (s) print_str ("sample_fmt", s);
1754 else print_str_opt("sample_fmt", "unknown");
1755 print_int("nb_samples", frame->nb_samples);
1756 print_int("channels", av_frame_get_channels(frame));
1757 if (av_frame_get_channel_layout(frame)) {
1758 av_bprint_clear(&pbuf);
1759 av_bprint_channel_layout(&pbuf, av_frame_get_channels(frame),
1760 av_frame_get_channel_layout(frame));
1761 print_str ("channel_layout", pbuf.str);
1763 print_str_opt("channel_layout", "unknown");
1766 show_tags(w, av_frame_get_metadata(frame), SECTION_ID_FRAME_TAGS);
1768 writer_print_section_footer(w);
1770 av_bprint_finalize(&pbuf, NULL);
1774 static av_always_inline int process_frame(WriterContext *w,
1775 AVFormatContext *fmt_ctx,
1776 AVFrame *frame, AVPacket *pkt)
1778 AVCodecContext *dec_ctx = fmt_ctx->streams[pkt->stream_index]->codec;
1780 int ret = 0, got_frame = 0;
1782 avcodec_get_frame_defaults(frame);
1783 if (dec_ctx->codec) {
1784 switch (dec_ctx->codec_type) {
1785 case AVMEDIA_TYPE_VIDEO:
1786 ret = avcodec_decode_video2(dec_ctx, frame, &got_frame, pkt);
1789 case AVMEDIA_TYPE_AUDIO:
1790 ret = avcodec_decode_audio4(dec_ctx, frame, &got_frame, pkt);
1793 case AVMEDIA_TYPE_SUBTITLE:
1794 ret = avcodec_decode_subtitle2(dec_ctx, &sub, &got_frame, pkt);
1801 ret = FFMIN(ret, pkt->size); /* guard against bogus return values */
1805 int is_sub = (dec_ctx->codec_type == AVMEDIA_TYPE_SUBTITLE);
1806 nb_streams_frames[pkt->stream_index]++;
1809 show_subtitle(w, &sub, fmt_ctx->streams[pkt->stream_index], fmt_ctx);
1811 show_frame(w, frame, fmt_ctx->streams[pkt->stream_index], fmt_ctx);
1813 avsubtitle_free(&sub);
1818 static void log_read_interval(const ReadInterval *interval, void *log_ctx, int log_level)
1820 av_log(log_ctx, log_level, "id:%d", interval->id);
1822 if (interval->has_start) {
1823 av_log(log_ctx, log_level, " start:%s%s", interval->start_is_offset ? "+" : "",
1824 av_ts2timestr(interval->start, &AV_TIME_BASE_Q));
1826 av_log(log_ctx, log_level, " start:N/A");
1829 if (interval->has_end) {
1830 av_log(log_ctx, log_level, " end:%s", interval->end_is_offset ? "+" : "");
1831 if (interval->duration_frames)
1832 av_log(log_ctx, log_level, "#%"PRId64, interval->end);
1834 av_log(log_ctx, log_level, "%s", av_ts2timestr(interval->end, &AV_TIME_BASE_Q));
1836 av_log(log_ctx, log_level, " end:N/A");
1839 av_log(log_ctx, log_level, "\n");
1842 static int read_interval_packets(WriterContext *w, AVFormatContext *fmt_ctx,
1843 const ReadInterval *interval, int64_t *cur_ts)
1847 int ret = 0, i = 0, frame_count = 0;
1848 int64_t start = -INT64_MAX, end = interval->end;
1849 int has_start = 0, has_end = interval->has_end && !interval->end_is_offset;
1851 av_init_packet(&pkt);
1853 av_log(NULL, AV_LOG_VERBOSE, "Processing read interval ");
1854 log_read_interval(interval, NULL, AV_LOG_VERBOSE);
1856 if (interval->has_start) {
1858 if (interval->start_is_offset) {
1859 if (*cur_ts == AV_NOPTS_VALUE) {
1860 av_log(NULL, AV_LOG_ERROR,
1861 "Could not seek to relative position since current "
1862 "timestamp is not defined\n");
1863 ret = AVERROR(EINVAL);
1866 target = *cur_ts + interval->start;
1868 target = interval->start;
1871 av_log(NULL, AV_LOG_VERBOSE, "Seeking to read interval start point %s\n",
1872 av_ts2timestr(target, &AV_TIME_BASE_Q));
1873 if ((ret = avformat_seek_file(fmt_ctx, -1, -INT64_MAX, target, INT64_MAX, 0)) < 0) {
1874 av_log(NULL, AV_LOG_ERROR, "Could not seek to position %"PRId64": %s\n",
1875 interval->start, av_err2str(ret));
1880 while (!av_read_frame(fmt_ctx, &pkt)) {
1881 if (selected_streams[pkt.stream_index]) {
1882 AVRational tb = fmt_ctx->streams[pkt.stream_index]->time_base;
1884 if (pkt.pts != AV_NOPTS_VALUE)
1885 *cur_ts = av_rescale_q(pkt.pts, tb, AV_TIME_BASE_Q);
1887 if (!has_start && *cur_ts != AV_NOPTS_VALUE) {
1892 if (has_start && !has_end && interval->end_is_offset) {
1893 end = start + interval->end;
1897 if (interval->end_is_offset && interval->duration_frames) {
1898 if (frame_count >= interval->end)
1900 } else if (has_end && *cur_ts != AV_NOPTS_VALUE && *cur_ts >= end) {
1905 if (do_read_packets) {
1906 if (do_show_packets)
1907 show_packet(w, fmt_ctx, &pkt, i++);
1908 nb_streams_packets[pkt.stream_index]++;
1910 if (do_read_frames) {
1912 while (pkt1.size && process_frame(w, fmt_ctx, &frame, &pkt1) > 0);
1915 av_free_packet(&pkt);
1917 av_init_packet(&pkt);
1920 //Flush remaining frames that are cached in the decoder
1921 for (i = 0; i < fmt_ctx->nb_streams; i++) {
1922 pkt.stream_index = i;
1924 while (process_frame(w, fmt_ctx, &frame, &pkt) > 0);
1929 av_log(NULL, AV_LOG_ERROR, "Could not read packets in interval ");
1930 log_read_interval(interval, NULL, AV_LOG_ERROR);
1935 static int read_packets(WriterContext *w, AVFormatContext *fmt_ctx)
1938 int64_t cur_ts = fmt_ctx->start_time;
1940 if (read_intervals_nb == 0) {
1941 ReadInterval interval = (ReadInterval) { .has_start = 0, .has_end = 0 };
1942 ret = read_interval_packets(w, fmt_ctx, &interval, &cur_ts);
1944 for (i = 0; i < read_intervals_nb; i++) {
1945 ret = read_interval_packets(w, fmt_ctx, &read_intervals[i], &cur_ts);
1954 static int show_stream(WriterContext *w, AVFormatContext *fmt_ctx, int stream_idx, int in_program)
1956 AVStream *stream = fmt_ctx->streams[stream_idx];
1957 AVCodecContext *dec_ctx;
1961 AVRational sar, dar;
1965 av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
1967 writer_print_section_header(w, in_program ? SECTION_ID_PROGRAM_STREAM : SECTION_ID_STREAM);
1969 print_int("index", stream->index);
1971 if ((dec_ctx = stream->codec)) {
1972 const char *profile = NULL;
1973 dec = dec_ctx->codec;
1975 print_str("codec_name", dec->name);
1977 if (dec->long_name) print_str ("codec_long_name", dec->long_name);
1978 else print_str_opt("codec_long_name", "unknown");
1981 print_str_opt("codec_name", "unknown");
1983 print_str_opt("codec_long_name", "unknown");
1987 if (dec && (profile = av_get_profile_name(dec, dec_ctx->profile)))
1988 print_str("profile", profile);
1990 print_str_opt("profile", "unknown");
1992 s = av_get_media_type_string(dec_ctx->codec_type);
1993 if (s) print_str ("codec_type", s);
1994 else print_str_opt("codec_type", "unknown");
1995 print_q("codec_time_base", dec_ctx->time_base, '/');
1997 /* print AVI/FourCC tag */
1998 av_get_codec_tag_string(val_str, sizeof(val_str), dec_ctx->codec_tag);
1999 print_str("codec_tag_string", val_str);
2000 print_fmt("codec_tag", "0x%04x", dec_ctx->codec_tag);
2002 switch (dec_ctx->codec_type) {
2003 case AVMEDIA_TYPE_VIDEO:
2004 print_int("width", dec_ctx->width);
2005 print_int("height", dec_ctx->height);
2006 print_int("has_b_frames", dec_ctx->has_b_frames);
2007 sar = av_guess_sample_aspect_ratio(fmt_ctx, stream, NULL);
2009 print_q("sample_aspect_ratio", sar, ':');
2010 av_reduce(&dar.num, &dar.den,
2011 dec_ctx->width * sar.num,
2012 dec_ctx->height * sar.den,
2014 print_q("display_aspect_ratio", dar, ':');
2016 print_str_opt("sample_aspect_ratio", "N/A");
2017 print_str_opt("display_aspect_ratio", "N/A");
2019 s = av_get_pix_fmt_name(dec_ctx->pix_fmt);
2020 if (s) print_str ("pix_fmt", s);
2021 else print_str_opt("pix_fmt", "unknown");
2022 print_int("level", dec_ctx->level);
2023 if (dec_ctx->timecode_frame_start >= 0) {
2024 char tcbuf[AV_TIMECODE_STR_SIZE];
2025 av_timecode_make_mpeg_tc_string(tcbuf, dec_ctx->timecode_frame_start);
2026 print_str("timecode", tcbuf);
2028 print_str_opt("timecode", "N/A");
2032 case AVMEDIA_TYPE_AUDIO:
2033 s = av_get_sample_fmt_name(dec_ctx->sample_fmt);
2034 if (s) print_str ("sample_fmt", s);
2035 else print_str_opt("sample_fmt", "unknown");
2036 print_val("sample_rate", dec_ctx->sample_rate, unit_hertz_str);
2037 print_int("channels", dec_ctx->channels);
2039 if (dec_ctx->channel_layout) {
2040 av_bprint_clear(&pbuf);
2041 av_bprint_channel_layout(&pbuf, dec_ctx->channels, dec_ctx->channel_layout);
2042 print_str ("channel_layout", pbuf.str);
2044 print_str_opt("channel_layout", "unknown");
2047 print_int("bits_per_sample", av_get_bits_per_sample(dec_ctx->codec_id));
2050 case AVMEDIA_TYPE_SUBTITLE:
2052 print_int("width", dec_ctx->width);
2054 print_str_opt("width", "N/A");
2055 if (dec_ctx->height)
2056 print_int("height", dec_ctx->height);
2058 print_str_opt("height", "N/A");
2062 print_str_opt("codec_type", "unknown");
2064 if (dec_ctx->codec && dec_ctx->codec->priv_class && show_private_data) {
2065 const AVOption *opt = NULL;
2066 while (opt = av_opt_next(dec_ctx->priv_data,opt)) {
2068 if (opt->flags) continue;
2069 if (av_opt_get(dec_ctx->priv_data, opt->name, 0, &str) >= 0) {
2070 print_str(opt->name, str);
2076 if (fmt_ctx->iformat->flags & AVFMT_SHOW_IDS) print_fmt ("id", "0x%x", stream->id);
2077 else print_str_opt("id", "N/A");
2078 print_q("r_frame_rate", stream->r_frame_rate, '/');
2079 print_q("avg_frame_rate", stream->avg_frame_rate, '/');
2080 print_q("time_base", stream->time_base, '/');
2081 print_ts ("start_pts", stream->start_time);
2082 print_time("start_time", stream->start_time, &stream->time_base);
2083 print_ts ("duration_ts", stream->duration);
2084 print_time("duration", stream->duration, &stream->time_base);
2085 if (dec_ctx->bit_rate > 0) print_val ("bit_rate", dec_ctx->bit_rate, unit_bit_per_second_str);
2086 else print_str_opt("bit_rate", "N/A");
2087 if (stream->nb_frames) print_fmt ("nb_frames", "%"PRId64, stream->nb_frames);
2088 else print_str_opt("nb_frames", "N/A");
2089 if (nb_streams_frames[stream_idx]) print_fmt ("nb_read_frames", "%"PRIu64, nb_streams_frames[stream_idx]);
2090 else print_str_opt("nb_read_frames", "N/A");
2091 if (nb_streams_packets[stream_idx]) print_fmt ("nb_read_packets", "%"PRIu64, nb_streams_packets[stream_idx]);
2092 else print_str_opt("nb_read_packets", "N/A");
2094 writer_print_data(w, "extradata", dec_ctx->extradata,
2095 dec_ctx->extradata_size);
2097 /* Print disposition information */
2098 #define PRINT_DISPOSITION(flagname, name) do { \
2099 print_int(name, !!(stream->disposition & AV_DISPOSITION_##flagname)); \
2102 if (do_show_stream_disposition) {
2103 writer_print_section_header(w, in_program ? SECTION_ID_PROGRAM_STREAM_DISPOSITION : SECTION_ID_STREAM_DISPOSITION);
2104 PRINT_DISPOSITION(DEFAULT, "default");
2105 PRINT_DISPOSITION(DUB, "dub");
2106 PRINT_DISPOSITION(ORIGINAL, "original");
2107 PRINT_DISPOSITION(COMMENT, "comment");
2108 PRINT_DISPOSITION(LYRICS, "lyrics");
2109 PRINT_DISPOSITION(KARAOKE, "karaoke");
2110 PRINT_DISPOSITION(FORCED, "forced");
2111 PRINT_DISPOSITION(HEARING_IMPAIRED, "hearing_impaired");
2112 PRINT_DISPOSITION(VISUAL_IMPAIRED, "visual_impaired");
2113 PRINT_DISPOSITION(CLEAN_EFFECTS, "clean_effects");
2114 PRINT_DISPOSITION(ATTACHED_PIC, "attached_pic");
2115 writer_print_section_footer(w);
2118 ret = show_tags(w, stream->metadata, in_program ? SECTION_ID_PROGRAM_STREAM_TAGS : SECTION_ID_STREAM_TAGS);
2120 writer_print_section_footer(w);
2121 av_bprint_finalize(&pbuf, NULL);
2127 static int show_streams(WriterContext *w, AVFormatContext *fmt_ctx)
2131 writer_print_section_header(w, SECTION_ID_STREAMS);
2132 for (i = 0; i < fmt_ctx->nb_streams; i++)
2133 if (selected_streams[i]) {
2134 ret = show_stream(w, fmt_ctx, i, 0);
2138 writer_print_section_footer(w);
2143 static int show_program(WriterContext *w, AVFormatContext *fmt_ctx, AVProgram *program)
2147 writer_print_section_header(w, SECTION_ID_PROGRAM);
2148 print_int("program_id", program->id);
2149 print_int("program_num", program->program_num);
2150 print_int("nb_streams", program->nb_stream_indexes);
2151 print_int("pmt_pid", program->pmt_pid);
2152 print_int("pcr_pid", program->pcr_pid);
2153 print_ts("start_pts", program->start_time);
2154 print_time("start_time", program->start_time, &AV_TIME_BASE_Q);
2155 print_ts("end_pts", program->end_time);
2156 print_time("end_time", program->end_time, &AV_TIME_BASE_Q);
2157 ret = show_tags(w, program->metadata, SECTION_ID_PROGRAM_TAGS);
2161 writer_print_section_header(w, SECTION_ID_PROGRAM_STREAMS);
2162 for (i = 0; i < program->nb_stream_indexes; i++) {
2163 if (selected_streams[program->stream_index[i]]) {
2164 ret = show_stream(w, fmt_ctx, program->stream_index[i], 1);
2169 writer_print_section_footer(w);
2172 writer_print_section_footer(w);
2176 static int show_programs(WriterContext *w, AVFormatContext *fmt_ctx)
2180 writer_print_section_header(w, SECTION_ID_PROGRAMS);
2181 for (i = 0; i < fmt_ctx->nb_programs; i++) {
2182 AVProgram *program = fmt_ctx->programs[i];
2185 ret = show_program(w, fmt_ctx, program);
2189 writer_print_section_footer(w);
2193 static int show_chapters(WriterContext *w, AVFormatContext *fmt_ctx)
2197 writer_print_section_header(w, SECTION_ID_CHAPTERS);
2198 for (i = 0; i < fmt_ctx->nb_chapters; i++) {
2199 AVChapter *chapter = fmt_ctx->chapters[i];
2201 writer_print_section_header(w, SECTION_ID_CHAPTER);
2202 print_int("id", chapter->id);
2203 print_q ("time_base", chapter->time_base, '/');
2204 print_int("start", chapter->start);
2205 print_time("start_time", chapter->start, &chapter->time_base);
2206 print_int("end", chapter->end);
2207 print_time("end_time", chapter->end, &chapter->time_base);
2208 ret = show_tags(w, chapter->metadata, SECTION_ID_CHAPTER_TAGS);
2209 writer_print_section_footer(w);
2211 writer_print_section_footer(w);
2216 static int show_format(WriterContext *w, AVFormatContext *fmt_ctx)
2219 int64_t size = fmt_ctx->pb ? avio_size(fmt_ctx->pb) : -1;
2222 writer_print_section_header(w, SECTION_ID_FORMAT);
2223 print_str_validate("filename", fmt_ctx->filename);
2224 print_int("nb_streams", fmt_ctx->nb_streams);
2225 print_int("nb_programs", fmt_ctx->nb_programs);
2226 print_str("format_name", fmt_ctx->iformat->name);
2228 if (fmt_ctx->iformat->long_name) print_str ("format_long_name", fmt_ctx->iformat->long_name);
2229 else print_str_opt("format_long_name", "unknown");
2231 print_time("start_time", fmt_ctx->start_time, &AV_TIME_BASE_Q);
2232 print_time("duration", fmt_ctx->duration, &AV_TIME_BASE_Q);
2233 if (size >= 0) print_val ("size", size, unit_byte_str);
2234 else print_str_opt("size", "N/A");
2235 if (fmt_ctx->bit_rate > 0) print_val ("bit_rate", fmt_ctx->bit_rate, unit_bit_per_second_str);
2236 else print_str_opt("bit_rate", "N/A");
2237 print_int("probe_score", av_format_get_probe_score(fmt_ctx));
2238 ret = show_tags(w, fmt_ctx->metadata, SECTION_ID_FORMAT_TAGS);
2240 writer_print_section_footer(w);
2245 static void show_error(WriterContext *w, int err)
2248 const char *errbuf_ptr = errbuf;
2250 if (av_strerror(err, errbuf, sizeof(errbuf)) < 0)
2251 errbuf_ptr = strerror(AVUNERROR(err));
2253 writer_print_section_header(w, SECTION_ID_ERROR);
2254 print_int("code", err);
2255 print_str("string", errbuf_ptr);
2256 writer_print_section_footer(w);
2259 static int open_input_file(AVFormatContext **fmt_ctx_ptr, const char *filename)
2261 int err, i, orig_nb_streams;
2262 AVFormatContext *fmt_ctx = NULL;
2263 AVDictionaryEntry *t;
2264 AVDictionary **opts;
2266 if ((err = avformat_open_input(&fmt_ctx, filename,
2267 iformat, &format_opts)) < 0) {
2268 print_error(filename, err);
2271 if ((t = av_dict_get(format_opts, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
2272 av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
2273 return AVERROR_OPTION_NOT_FOUND;
2276 /* fill the streams in the format context */
2277 opts = setup_find_stream_info_opts(fmt_ctx, codec_opts);
2278 orig_nb_streams = fmt_ctx->nb_streams;
2280 if ((err = avformat_find_stream_info(fmt_ctx, opts)) < 0) {
2281 print_error(filename, err);
2284 for (i = 0; i < orig_nb_streams; i++)
2285 av_dict_free(&opts[i]);
2288 av_dump_format(fmt_ctx, 0, filename, 0);
2290 /* bind a decoder to each input stream */
2291 for (i = 0; i < fmt_ctx->nb_streams; i++) {
2292 AVStream *stream = fmt_ctx->streams[i];
2295 if (stream->codec->codec_id == AV_CODEC_ID_PROBE) {
2296 av_log(NULL, AV_LOG_WARNING,
2297 "Failed to probe codec for input stream %d\n",
2299 } else if (!(codec = avcodec_find_decoder(stream->codec->codec_id))) {
2300 av_log(NULL, AV_LOG_WARNING,
2301 "Unsupported codec with id %d for input stream %d\n",
2302 stream->codec->codec_id, stream->index);
2304 AVDictionary *opts = filter_codec_opts(codec_opts, stream->codec->codec_id,
2305 fmt_ctx, stream, codec);
2306 if (avcodec_open2(stream->codec, codec, &opts) < 0) {
2307 av_log(NULL, AV_LOG_WARNING, "Could not open codec for input stream %d\n",
2310 if ((t = av_dict_get(opts, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
2311 av_log(NULL, AV_LOG_ERROR, "Option %s for input stream %d not found\n",
2312 t->key, stream->index);
2313 return AVERROR_OPTION_NOT_FOUND;
2318 *fmt_ctx_ptr = fmt_ctx;
2322 static void close_input_file(AVFormatContext **ctx_ptr)
2325 AVFormatContext *fmt_ctx = *ctx_ptr;
2327 /* close decoder for each stream */
2328 for (i = 0; i < fmt_ctx->nb_streams; i++)
2329 if (fmt_ctx->streams[i]->codec->codec_id != AV_CODEC_ID_NONE)
2330 avcodec_close(fmt_ctx->streams[i]->codec);
2332 avformat_close_input(ctx_ptr);
2335 static int probe_file(WriterContext *wctx, const char *filename)
2337 AVFormatContext *fmt_ctx;
2341 do_read_frames = do_show_frames || do_count_frames;
2342 do_read_packets = do_show_packets || do_count_packets;
2344 ret = open_input_file(&fmt_ctx, filename);
2348 #define CHECK_END if (ret < 0) goto end
2350 nb_streams_frames = av_calloc(fmt_ctx->nb_streams, sizeof(*nb_streams_frames));
2351 nb_streams_packets = av_calloc(fmt_ctx->nb_streams, sizeof(*nb_streams_packets));
2352 selected_streams = av_calloc(fmt_ctx->nb_streams, sizeof(*selected_streams));
2354 for (i = 0; i < fmt_ctx->nb_streams; i++) {
2355 if (stream_specifier) {
2356 ret = avformat_match_stream_specifier(fmt_ctx,
2357 fmt_ctx->streams[i],
2361 selected_streams[i] = ret;
2364 selected_streams[i] = 1;
2368 if (do_read_frames || do_read_packets) {
2369 if (do_show_frames && do_show_packets &&
2370 wctx->writer->flags & WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER)
2371 section_id = SECTION_ID_PACKETS_AND_FRAMES;
2372 else if (do_show_packets && !do_show_frames)
2373 section_id = SECTION_ID_PACKETS;
2374 else // (!do_show_packets && do_show_frames)
2375 section_id = SECTION_ID_FRAMES;
2376 if (do_show_frames || do_show_packets)
2377 writer_print_section_header(wctx, section_id);
2378 ret = read_packets(wctx, fmt_ctx);
2379 if (do_show_frames || do_show_packets)
2380 writer_print_section_footer(wctx);
2383 if (do_show_programs) {
2384 ret = show_programs(wctx, fmt_ctx);
2388 if (do_show_streams) {
2389 ret = show_streams(wctx, fmt_ctx);
2392 if (do_show_chapters) {
2393 ret = show_chapters(wctx, fmt_ctx);
2396 if (do_show_format) {
2397 ret = show_format(wctx, fmt_ctx);
2402 close_input_file(&fmt_ctx);
2403 av_freep(&nb_streams_frames);
2404 av_freep(&nb_streams_packets);
2405 av_freep(&selected_streams);
2410 static void show_usage(void)
2412 av_log(NULL, AV_LOG_INFO, "Simple multimedia streams analyzer\n");
2413 av_log(NULL, AV_LOG_INFO, "usage: %s [OPTIONS] [INPUT_FILE]\n", program_name);
2414 av_log(NULL, AV_LOG_INFO, "\n");
2417 static void ffprobe_show_program_version(WriterContext *w)
2420 av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
2422 writer_print_section_header(w, SECTION_ID_PROGRAM_VERSION);
2423 print_str("version", FFMPEG_VERSION);
2424 print_fmt("copyright", "Copyright (c) %d-%d the FFmpeg developers",
2425 program_birth_year, CONFIG_THIS_YEAR);
2426 print_str("build_date", __DATE__);
2427 print_str("build_time", __TIME__);
2428 print_str("compiler_ident", CC_IDENT);
2429 print_str("configuration", FFMPEG_CONFIGURATION);
2430 writer_print_section_footer(w);
2432 av_bprint_finalize(&pbuf, NULL);
2435 #define SHOW_LIB_VERSION(libname, LIBNAME) \
2437 if (CONFIG_##LIBNAME) { \
2438 unsigned int version = libname##_version(); \
2439 writer_print_section_header(w, SECTION_ID_LIBRARY_VERSION); \
2440 print_str("name", "lib" #libname); \
2441 print_int("major", LIB##LIBNAME##_VERSION_MAJOR); \
2442 print_int("minor", LIB##LIBNAME##_VERSION_MINOR); \
2443 print_int("micro", LIB##LIBNAME##_VERSION_MICRO); \
2444 print_int("version", version); \
2445 print_str("ident", LIB##LIBNAME##_IDENT); \
2446 writer_print_section_footer(w); \
2450 static void ffprobe_show_library_versions(WriterContext *w)
2452 writer_print_section_header(w, SECTION_ID_LIBRARY_VERSIONS);
2453 SHOW_LIB_VERSION(avutil, AVUTIL);
2454 SHOW_LIB_VERSION(avcodec, AVCODEC);
2455 SHOW_LIB_VERSION(avformat, AVFORMAT);
2456 SHOW_LIB_VERSION(avdevice, AVDEVICE);
2457 SHOW_LIB_VERSION(avfilter, AVFILTER);
2458 SHOW_LIB_VERSION(swscale, SWSCALE);
2459 SHOW_LIB_VERSION(swresample, SWRESAMPLE);
2460 SHOW_LIB_VERSION(postproc, POSTPROC);
2461 writer_print_section_footer(w);
2464 static int opt_format(void *optctx, const char *opt, const char *arg)
2466 iformat = av_find_input_format(arg);
2468 av_log(NULL, AV_LOG_ERROR, "Unknown input format: %s\n", arg);
2469 return AVERROR(EINVAL);
2474 static inline void mark_section_show_entries(SectionID section_id,
2475 int show_all_entries, AVDictionary *entries)
2477 struct section *section = §ions[section_id];
2479 section->show_all_entries = show_all_entries;
2480 if (show_all_entries) {
2482 for (id = section->children_ids; *id != -1; id++)
2483 mark_section_show_entries(*id, show_all_entries, entries);
2485 av_dict_copy(§ion->entries_to_show, entries, 0);
2489 static int match_section(const char *section_name,
2490 int show_all_entries, AVDictionary *entries)
2494 for (i = 0; i < FF_ARRAY_ELEMS(sections); i++) {
2495 const struct section *section = §ions[i];
2496 if (!strcmp(section_name, section->name) ||
2497 (section->unique_name && !strcmp(section_name, section->unique_name))) {
2498 av_log(NULL, AV_LOG_DEBUG,
2499 "'%s' matches section with unique name '%s'\n", section_name,
2500 (char *)av_x_if_null(section->unique_name, section->name));
2502 mark_section_show_entries(section->id, show_all_entries, entries);
2508 static int opt_show_entries(void *optctx, const char *opt, const char *arg)
2510 const char *p = arg;
2514 AVDictionary *entries = NULL;
2515 char *section_name = av_get_token(&p, "=:");
2516 int show_all_entries = 0;
2518 if (!section_name) {
2519 av_log(NULL, AV_LOG_ERROR,
2520 "Missing section name for option '%s'\n", opt);
2521 return AVERROR(EINVAL);
2526 while (*p && *p != ':') {
2527 char *entry = av_get_token(&p, ",:");
2530 av_log(NULL, AV_LOG_VERBOSE,
2531 "Adding '%s' to the entries to show in section '%s'\n",
2532 entry, section_name);
2533 av_dict_set(&entries, entry, "", AV_DICT_DONT_STRDUP_KEY);
2538 show_all_entries = 1;
2541 ret = match_section(section_name, show_all_entries, entries);
2543 av_log(NULL, AV_LOG_ERROR, "No match for section '%s'\n", section_name);
2544 ret = AVERROR(EINVAL);
2546 av_dict_free(&entries);
2547 av_free(section_name);
2558 static int opt_show_format_entry(void *optctx, const char *opt, const char *arg)
2560 char *buf = av_asprintf("format=%s", arg);
2563 av_log(NULL, AV_LOG_WARNING,
2564 "Option '%s' is deprecated, use '-show_entries format=%s' instead\n",
2566 ret = opt_show_entries(optctx, opt, buf);
2571 static void opt_input_file(void *optctx, const char *arg)
2573 if (input_filename) {
2574 av_log(NULL, AV_LOG_ERROR,
2575 "Argument '%s' provided as input filename, but '%s' was already specified.\n",
2576 arg, input_filename);
2579 if (!strcmp(arg, "-"))
2581 input_filename = arg;
2584 static int opt_input_file_i(void *optctx, const char *opt, const char *arg)
2586 opt_input_file(optctx, arg);
2590 void show_help_default(const char *opt, const char *arg)
2592 av_log_set_callback(log_callback_help);
2594 show_help_options(options, "Main options:", 0, 0, 0);
2597 show_help_children(avformat_get_class(), AV_OPT_FLAG_DECODING_PARAM);
2601 * Parse interval specification, according to the format:
2602 * INTERVAL ::= [START|+START_OFFSET][%[END|+END_OFFSET]]
2603 * INTERVALS ::= INTERVAL[,INTERVALS]
2605 static int parse_read_interval(const char *interval_spec,
2606 ReadInterval *interval)
2609 char *next, *p, *spec = av_strdup(interval_spec);
2611 return AVERROR(ENOMEM);
2614 av_log(NULL, AV_LOG_ERROR, "Invalid empty interval specification\n");
2615 ret = AVERROR(EINVAL);
2620 next = strchr(spec, '%');
2624 /* parse first part */
2626 interval->has_start = 1;
2629 interval->start_is_offset = 1;
2632 interval->start_is_offset = 0;
2635 ret = av_parse_time(&interval->start, p, 1);
2637 av_log(NULL, AV_LOG_ERROR, "Invalid interval start specification '%s'\n", p);
2641 interval->has_start = 0;
2644 /* parse second part */
2648 interval->has_end = 1;
2651 interval->end_is_offset = 1;
2654 interval->end_is_offset = 0;
2657 if (interval->end_is_offset && *p == '#') {
2660 interval->duration_frames = 1;
2662 lli = strtoll(p, &tail, 10);
2663 if (*tail || lli < 0) {
2664 av_log(NULL, AV_LOG_ERROR,
2665 "Invalid or negative value '%s' for duration number of frames\n", p);
2668 interval->end = lli;
2670 ret = av_parse_time(&us, p, 1);
2672 av_log(NULL, AV_LOG_ERROR, "Invalid interval end/duration specification '%s'\n", p);
2678 interval->has_end = 0;
2686 static int parse_read_intervals(const char *intervals_spec)
2689 char *p, *spec = av_strdup(intervals_spec);
2691 return AVERROR(ENOMEM);
2693 /* preparse specification, get number of intervals */
2694 for (n = 0, p = spec; *p; p++)
2699 read_intervals = av_malloc(n * sizeof(*read_intervals));
2700 if (!read_intervals) {
2701 ret = AVERROR(ENOMEM);
2704 read_intervals_nb = n;
2706 /* parse intervals */
2708 for (i = 0; p; i++) {
2711 av_assert0(i < read_intervals_nb);
2712 next = strchr(p, ',');
2716 read_intervals[i].id = i;
2717 ret = parse_read_interval(p, &read_intervals[i]);
2719 av_log(NULL, AV_LOG_ERROR, "Error parsing read interval #%d '%s'\n",
2723 av_log(NULL, AV_LOG_VERBOSE, "Parsed log interval ");
2724 log_read_interval(&read_intervals[i], NULL, AV_LOG_VERBOSE);
2727 av_assert0(i == read_intervals_nb);
2734 static int opt_read_intervals(void *optctx, const char *opt, const char *arg)
2736 return parse_read_intervals(arg);
2739 static int opt_pretty(void *optctx, const char *opt, const char *arg)
2741 show_value_unit = 1;
2742 use_value_prefix = 1;
2743 use_byte_value_binary_prefix = 1;
2744 use_value_sexagesimal_format = 1;
2748 static void print_section(SectionID id, int level)
2750 const SectionID *pid;
2751 const struct section *section = §ions[id];
2753 section->flags & SECTION_FLAG_IS_WRAPPER ? 'W' : '.',
2754 section->flags & SECTION_FLAG_IS_ARRAY ? 'A' : '.',
2755 section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS ? 'V' : '.');
2756 printf("%*c %s", level * 4, ' ', section->name);
2757 if (section->unique_name)
2758 printf("/%s", section->unique_name);
2761 for (pid = section->children_ids; *pid != -1; pid++)
2762 print_section(*pid, level+1);
2765 static int opt_sections(void *optctx, const char *opt, const char *arg)
2767 printf("Sections:\n"
2768 "W.. = Section is a wrapper (contains other sections, no local entries)\n"
2769 ".A. = Section contains an array of elements of the same type\n"
2770 "..V = Section may contain a variable number of fields with variable keys\n"
2771 "FLAGS NAME/UNIQUE_NAME\n"
2773 print_section(SECTION_ID_ROOT, 0);
2777 static int opt_show_versions(const char *opt, const char *arg)
2779 mark_section_show_entries(SECTION_ID_PROGRAM_VERSION, 1, NULL);
2780 mark_section_show_entries(SECTION_ID_LIBRARY_VERSION, 1, NULL);
2784 #define DEFINE_OPT_SHOW_SECTION(section, target_section_id) \
2785 static int opt_show_##section(const char *opt, const char *arg) \
2787 mark_section_show_entries(SECTION_ID_##target_section_id, 1, NULL); \
2791 DEFINE_OPT_SHOW_SECTION(chapters, CHAPTERS);
2792 DEFINE_OPT_SHOW_SECTION(error, ERROR);
2793 DEFINE_OPT_SHOW_SECTION(format, FORMAT);
2794 DEFINE_OPT_SHOW_SECTION(frames, FRAMES);
2795 DEFINE_OPT_SHOW_SECTION(library_versions, LIBRARY_VERSIONS);
2796 DEFINE_OPT_SHOW_SECTION(packets, PACKETS);
2797 DEFINE_OPT_SHOW_SECTION(program_version, PROGRAM_VERSION);
2798 DEFINE_OPT_SHOW_SECTION(streams, STREAMS);
2799 DEFINE_OPT_SHOW_SECTION(programs, PROGRAMS);
2801 static const OptionDef real_options[] = {
2802 #include "cmdutils_common_opts.h"
2803 { "f", HAS_ARG, {.func_arg = opt_format}, "force format", "format" },
2804 { "unit", OPT_BOOL, {&show_value_unit}, "show unit of the displayed values" },
2805 { "prefix", OPT_BOOL, {&use_value_prefix}, "use SI prefixes for the displayed values" },
2806 { "byte_binary_prefix", OPT_BOOL, {&use_byte_value_binary_prefix},
2807 "use binary prefixes for byte units" },
2808 { "sexagesimal", OPT_BOOL, {&use_value_sexagesimal_format},
2809 "use sexagesimal format HOURS:MM:SS.MICROSECONDS for time units" },
2810 { "pretty", 0, {.func_arg = opt_pretty},
2811 "prettify the format of displayed values, make it more human readable" },
2812 { "print_format", OPT_STRING | HAS_ARG, {(void*)&print_format},
2813 "set the output printing format (available formats are: default, compact, csv, flat, ini, json, xml)", "format" },
2814 { "of", OPT_STRING | HAS_ARG, {(void*)&print_format}, "alias for -print_format", "format" },
2815 { "select_streams", OPT_STRING | HAS_ARG, {(void*)&stream_specifier}, "select the specified streams", "stream_specifier" },
2816 { "sections", OPT_EXIT, {.func_arg = opt_sections}, "print sections structure and section information, and exit" },
2817 { "show_data", OPT_BOOL, {(void*)&do_show_data}, "show packets data" },
2818 { "show_error", 0, {(void*)&opt_show_error}, "show probing error" },
2819 { "show_format", 0, {(void*)&opt_show_format}, "show format/container info" },
2820 { "show_frames", 0, {(void*)&opt_show_frames}, "show frames info" },
2821 { "show_format_entry", HAS_ARG, {.func_arg = opt_show_format_entry},
2822 "show a particular entry from the format/container info", "entry" },
2823 { "show_entries", HAS_ARG, {.func_arg = opt_show_entries},
2824 "show a set of specified entries", "entry_list" },
2825 { "show_packets", 0, {(void*)&opt_show_packets}, "show packets info" },
2826 { "show_programs", 0, {(void*)&opt_show_programs}, "show programs info" },
2827 { "show_streams", 0, {(void*)&opt_show_streams}, "show streams info" },
2828 { "show_chapters", 0, {(void*)&opt_show_chapters}, "show chapters info" },
2829 { "count_frames", OPT_BOOL, {(void*)&do_count_frames}, "count the number of frames per stream" },
2830 { "count_packets", OPT_BOOL, {(void*)&do_count_packets}, "count the number of packets per stream" },
2831 { "show_program_version", 0, {(void*)&opt_show_program_version}, "show ffprobe version" },
2832 { "show_library_versions", 0, {(void*)&opt_show_library_versions}, "show library versions" },
2833 { "show_versions", 0, {(void*)&opt_show_versions}, "show program and library versions" },
2834 { "show_private_data", OPT_BOOL, {(void*)&show_private_data}, "show private data" },
2835 { "private", OPT_BOOL, {(void*)&show_private_data}, "same as show_private_data" },
2836 { "bitexact", OPT_BOOL, {&do_bitexact}, "force bitexact output" },
2837 { "read_intervals", HAS_ARG, {.func_arg = opt_read_intervals}, "set read intervals", "read_intervals" },
2838 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {.func_arg = opt_default}, "generic catch all option", "" },
2839 { "i", HAS_ARG, {.func_arg = opt_input_file_i}, "read specified file", "input_file"},
2843 static inline int check_section_show_entries(int section_id)
2846 struct section *section = §ions[section_id];
2847 if (sections[section_id].show_all_entries || sections[section_id].entries_to_show)
2849 for (id = section->children_ids; *id != -1; id++)
2850 if (check_section_show_entries(*id))
2855 #define SET_DO_SHOW(id, varname) do { \
2856 if (check_section_show_entries(SECTION_ID_##id)) \
2857 do_show_##varname = 1; \
2860 int main(int argc, char **argv)
2863 WriterContext *wctx;
2865 char *w_name = NULL, *w_args = NULL;
2868 av_log_set_flags(AV_LOG_SKIP_REPEATED);
2869 register_exit(ffprobe_cleanup);
2871 options = real_options;
2872 parse_loglevel(argc, argv, options);
2874 avformat_network_init();
2877 avdevice_register_all();
2880 show_banner(argc, argv, options);
2881 parse_options(NULL, argc, argv, options, opt_input_file);
2883 /* mark things to show, based on -show_entries */
2884 SET_DO_SHOW(CHAPTERS, chapters);
2885 SET_DO_SHOW(ERROR, error);
2886 SET_DO_SHOW(FORMAT, format);
2887 SET_DO_SHOW(FRAMES, frames);
2888 SET_DO_SHOW(LIBRARY_VERSIONS, library_versions);
2889 SET_DO_SHOW(PACKETS, packets);
2890 SET_DO_SHOW(PROGRAM_VERSION, program_version);
2891 SET_DO_SHOW(PROGRAMS, programs);
2892 SET_DO_SHOW(STREAMS, streams);
2893 SET_DO_SHOW(STREAM_DISPOSITION, stream_disposition);
2894 SET_DO_SHOW(PROGRAM_STREAM_DISPOSITION, stream_disposition);
2896 if (do_bitexact && (do_show_program_version || do_show_library_versions)) {
2897 av_log(NULL, AV_LOG_ERROR,
2898 "-bitexact and -show_program_version or -show_library_versions "
2899 "options are incompatible\n");
2900 ret = AVERROR(EINVAL);
2904 writer_register_all();
2907 print_format = av_strdup("default");
2908 if (!print_format) {
2909 ret = AVERROR(ENOMEM);
2912 w_name = av_strtok(print_format, "=", &buf);
2915 w = writer_get_by_name(w_name);
2917 av_log(NULL, AV_LOG_ERROR, "Unknown output format with name '%s'\n", w_name);
2918 ret = AVERROR(EINVAL);
2922 if ((ret = writer_open(&wctx, w, w_args,
2923 sections, FF_ARRAY_ELEMS(sections))) >= 0) {
2924 if (w == &xml_writer)
2925 wctx->string_validation_utf8_flags |= AV_UTF8_FLAG_EXCLUDE_XML_INVALID_CONTROL_CODES;
2927 writer_print_section_header(wctx, SECTION_ID_ROOT);
2929 if (do_show_program_version)
2930 ffprobe_show_program_version(wctx);
2931 if (do_show_library_versions)
2932 ffprobe_show_library_versions(wctx);
2934 if (!input_filename &&
2935 ((do_show_format || do_show_programs || do_show_streams || do_show_chapters || do_show_packets || do_show_error) ||
2936 (!do_show_program_version && !do_show_library_versions))) {
2938 av_log(NULL, AV_LOG_ERROR, "You have to specify one input file.\n");
2939 av_log(NULL, AV_LOG_ERROR, "Use -h to get full help or, even better, run 'man %s'.\n", program_name);
2940 ret = AVERROR(EINVAL);
2941 } else if (input_filename) {
2942 ret = probe_file(wctx, input_filename);
2943 if (ret < 0 && do_show_error)
2944 show_error(wctx, ret);
2947 writer_print_section_footer(wctx);
2948 writer_close(&wctx);
2952 av_freep(&print_format);
2953 av_freep(&read_intervals);
2956 for (i = 0; i < FF_ARRAY_ELEMS(sections); i++)
2957 av_dict_free(&(sections[i].entries_to_show));
2959 avformat_network_deinit();