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 int nb_streams;
195 static uint64_t *nb_streams_packets;
196 static uint64_t *nb_streams_frames;
197 static int *selected_streams;
199 static void ffprobe_cleanup(int ret)
202 for (i = 0; i < FF_ARRAY_ELEMS(sections); i++)
203 av_dict_free(&(sections[i].entries_to_show));
207 union { double d; long long int i; } val;
211 static char *value_string(char *buf, int buf_size, struct unit_value uv)
217 if (uv.unit == unit_second_str) {
221 vald = vali = uv.val.i;
224 if (uv.unit == unit_second_str && use_value_sexagesimal_format) {
228 mins = (int)secs / 60;
229 secs = secs - mins * 60;
232 snprintf(buf, buf_size, "%d:%02d:%09.6f", hours, mins, secs);
234 const char *prefix_string = "";
236 if (use_value_prefix && vald > 1) {
239 if (uv.unit == unit_byte_str && use_byte_value_binary_prefix) {
240 index = (long long int) (log2(vald)) / 10;
241 index = av_clip(index, 0, FF_ARRAY_ELEMS(binary_unit_prefixes) - 1);
242 vald /= exp2(index * 10);
243 prefix_string = binary_unit_prefixes[index];
245 index = (long long int) (log10(vald)) / 3;
246 index = av_clip(index, 0, FF_ARRAY_ELEMS(decimal_unit_prefixes) - 1);
247 vald /= pow(10, index * 3);
248 prefix_string = decimal_unit_prefixes[index];
253 if (show_float || (use_value_prefix && vald != (long long int)vald))
254 snprintf(buf, buf_size, "%f", vald);
256 snprintf(buf, buf_size, "%lld", vali);
257 av_strlcatf(buf, buf_size, "%s%s%s", *prefix_string || show_value_unit ? " " : "",
258 prefix_string, show_value_unit ? uv.unit : "");
266 typedef struct WriterContext WriterContext;
268 #define WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS 1
269 #define WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER 2
272 WRITER_STRING_VALIDATION_FAIL,
273 WRITER_STRING_VALIDATION_REPLACE,
274 WRITER_STRING_VALIDATION_IGNORE,
275 WRITER_STRING_VALIDATION_NB
278 typedef struct Writer {
279 const AVClass *priv_class; ///< private class of the writer, if any
280 int priv_size; ///< private size for the writer context
283 int (*init) (WriterContext *wctx);
284 void (*uninit)(WriterContext *wctx);
286 void (*print_section_header)(WriterContext *wctx);
287 void (*print_section_footer)(WriterContext *wctx);
288 void (*print_integer) (WriterContext *wctx, const char *, long long int);
289 void (*print_rational) (WriterContext *wctx, AVRational *q, char *sep);
290 void (*print_string) (WriterContext *wctx, const char *, const char *);
291 int flags; ///< a combination or WRITER_FLAG_*
294 #define SECTION_MAX_NB_LEVELS 10
296 struct WriterContext {
297 const AVClass *class; ///< class of the writer
298 const Writer *writer; ///< the Writer of which this is an instance
299 char *name; ///< name of this writer instance
300 void *priv; ///< private data for use by the filter
302 const struct section *sections; ///< array containing all sections
303 int nb_sections; ///< number of sections
305 int level; ///< current level, starting from 0
307 /** number of the item printed in the given section, starting from 0 */
308 unsigned int nb_item[SECTION_MAX_NB_LEVELS];
310 /** section per each level */
311 const struct section *section[SECTION_MAX_NB_LEVELS];
312 AVBPrint section_pbuf[SECTION_MAX_NB_LEVELS]; ///< generic print buffer dedicated to each section,
313 /// used by various writers
315 unsigned int nb_section_packet; ///< number of the packet section in case we are in "packets_and_frames" section
316 unsigned int nb_section_frame; ///< number of the frame section in case we are in "packets_and_frames" section
317 unsigned int nb_section_packet_frame; ///< nb_section_packet or nb_section_frame according if is_packets_and_frames
319 StringValidation string_validation;
320 char *string_validation_replacement;
321 unsigned int string_validation_utf8_flags;
324 static const char *writer_get_name(void *p)
326 WriterContext *wctx = p;
327 return wctx->writer->name;
330 #define OFFSET(x) offsetof(WriterContext, x)
332 static const AVOption writer_options[] = {
333 { "string_validation", "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 { "sv", "set string validation mode",
336 OFFSET(string_validation), AV_OPT_TYPE_INT, {.i64=WRITER_STRING_VALIDATION_REPLACE}, 0, WRITER_STRING_VALIDATION_NB-1, .unit = "sv" },
337 { "ignore", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = WRITER_STRING_VALIDATION_IGNORE}, .unit = "sv" },
338 { "replace", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = WRITER_STRING_VALIDATION_REPLACE}, .unit = "sv" },
339 { "fail", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = WRITER_STRING_VALIDATION_FAIL}, .unit = "sv" },
340 { "string_validation_replacement", "set string validation replacement string", OFFSET(string_validation_replacement), AV_OPT_TYPE_STRING, {.str=""}},
341 { "svr", "set string validation replacement string", OFFSET(string_validation_replacement), AV_OPT_TYPE_STRING, {.str="\xEF\xBF\xBD"}},
345 static void *writer_child_next(void *obj, void *prev)
347 WriterContext *ctx = obj;
348 if (!prev && ctx->writer && ctx->writer->priv_class && ctx->priv)
353 static const AVClass writer_class = {
354 .class_name = "Writer",
355 .item_name = writer_get_name,
356 .option = writer_options,
357 .version = LIBAVUTIL_VERSION_INT,
358 .child_next = writer_child_next,
361 static void writer_close(WriterContext **wctx)
368 if ((*wctx)->writer->uninit)
369 (*wctx)->writer->uninit(*wctx);
370 for (i = 0; i < SECTION_MAX_NB_LEVELS; i++)
371 av_bprint_finalize(&(*wctx)->section_pbuf[i], NULL);
372 if ((*wctx)->writer->priv_class)
373 av_opt_free((*wctx)->priv);
374 av_freep(&((*wctx)->priv));
379 static void bprint_bytes(AVBPrint *bp, const uint8_t *ubuf, size_t ubuf_size)
382 av_bprintf(bp, "0X");
383 for (i = 0; i < ubuf_size; i++)
384 av_bprintf(bp, "%02X", ubuf[i]);
388 static int writer_open(WriterContext **wctx, const Writer *writer, const char *args,
389 const struct section *sections, int nb_sections)
393 if (!(*wctx = av_mallocz(sizeof(WriterContext)))) {
394 ret = AVERROR(ENOMEM);
398 if (!((*wctx)->priv = av_mallocz(writer->priv_size))) {
399 ret = AVERROR(ENOMEM);
403 (*wctx)->class = &writer_class;
404 (*wctx)->writer = writer;
406 (*wctx)->sections = sections;
407 (*wctx)->nb_sections = nb_sections;
409 av_opt_set_defaults(*wctx);
411 if (writer->priv_class) {
412 void *priv_ctx = (*wctx)->priv;
413 *((const AVClass **)priv_ctx) = writer->priv_class;
414 av_opt_set_defaults(priv_ctx);
417 /* convert options to dictionary */
419 AVDictionary *opts = NULL;
420 AVDictionaryEntry *opt = NULL;
422 if ((ret = av_dict_parse_string(&opts, args, "=", ":", 0)) < 0) {
423 av_log(*wctx, AV_LOG_ERROR, "Failed to parse option string '%s' provided to writer context\n", args);
428 while ((opt = av_dict_get(opts, "", opt, AV_DICT_IGNORE_SUFFIX))) {
429 if ((ret = av_opt_set(*wctx, opt->key, opt->value, AV_OPT_SEARCH_CHILDREN)) < 0) {
430 av_log(*wctx, AV_LOG_ERROR, "Failed to set option '%s' with value '%s' provided to writer context\n",
431 opt->key, opt->value);
440 /* validate replace string */
442 const uint8_t *p = (*wctx)->string_validation_replacement;
443 const uint8_t *endp = p + strlen(p);
445 const uint8_t *p0 = p;
447 ret = av_utf8_decode(&code, &p, endp, (*wctx)->string_validation_utf8_flags);
450 av_bprint_init(&bp, 0, AV_BPRINT_SIZE_AUTOMATIC);
451 bprint_bytes(&bp, p0, p-p0),
452 av_log(wctx, AV_LOG_ERROR,
453 "Invalid UTF8 sequence %s found in string validation replace '%s'\n",
454 bp.str, (*wctx)->string_validation_replacement);
460 for (i = 0; i < SECTION_MAX_NB_LEVELS; i++)
461 av_bprint_init(&(*wctx)->section_pbuf[i], 1, AV_BPRINT_SIZE_UNLIMITED);
463 if ((*wctx)->writer->init)
464 ret = (*wctx)->writer->init(*wctx);
475 static inline void writer_print_section_header(WriterContext *wctx,
478 int parent_section_id;
480 av_assert0(wctx->level < SECTION_MAX_NB_LEVELS);
481 parent_section_id = wctx->level ?
482 (wctx->section[wctx->level-1])->id : SECTION_ID_NONE;
484 wctx->nb_item[wctx->level] = 0;
485 wctx->section[wctx->level] = &wctx->sections[section_id];
487 if (section_id == SECTION_ID_PACKETS_AND_FRAMES) {
488 wctx->nb_section_packet = wctx->nb_section_frame =
489 wctx->nb_section_packet_frame = 0;
490 } else if (parent_section_id == SECTION_ID_PACKETS_AND_FRAMES) {
491 wctx->nb_section_packet_frame = section_id == SECTION_ID_PACKET ?
492 wctx->nb_section_packet : wctx->nb_section_frame;
495 if (wctx->writer->print_section_header)
496 wctx->writer->print_section_header(wctx);
499 static inline void writer_print_section_footer(WriterContext *wctx)
501 int section_id = wctx->section[wctx->level]->id;
502 int parent_section_id = wctx->level ?
503 wctx->section[wctx->level-1]->id : SECTION_ID_NONE;
505 if (parent_section_id != SECTION_ID_NONE)
506 wctx->nb_item[wctx->level-1]++;
507 if (parent_section_id == SECTION_ID_PACKETS_AND_FRAMES) {
508 if (section_id == SECTION_ID_PACKET) wctx->nb_section_packet++;
509 else wctx->nb_section_frame++;
511 if (wctx->writer->print_section_footer)
512 wctx->writer->print_section_footer(wctx);
516 static inline void writer_print_integer(WriterContext *wctx,
517 const char *key, long long int val)
519 const struct section *section = wctx->section[wctx->level];
521 if (section->show_all_entries || av_dict_get(section->entries_to_show, key, NULL, 0)) {
522 wctx->writer->print_integer(wctx, key, val);
523 wctx->nb_item[wctx->level]++;
527 static inline int validate_string(WriterContext *wctx, char **dstp, const char *src)
529 const uint8_t *p, *endp;
531 int invalid_chars_nb = 0, ret = 0;
533 av_bprint_init(&dstbuf, 0, AV_BPRINT_SIZE_UNLIMITED);
535 endp = src + strlen(src);
536 for (p = (uint8_t *)src; *p;) {
539 const uint8_t *p0 = p;
541 if (av_utf8_decode(&code, &p, endp, wctx->string_validation_utf8_flags) < 0) {
543 av_bprint_init(&bp, 0, AV_BPRINT_SIZE_AUTOMATIC);
544 bprint_bytes(&bp, p0, p-p0);
545 av_log(wctx, AV_LOG_DEBUG,
546 "Invalid UTF-8 sequence %s found in string '%s'\n", bp.str, src);
553 switch (wctx->string_validation) {
554 case WRITER_STRING_VALIDATION_FAIL:
555 av_log(wctx, AV_LOG_ERROR,
556 "Invalid UTF-8 sequence found in string '%s'\n", src);
557 ret = AVERROR_INVALIDDATA;
561 case WRITER_STRING_VALIDATION_REPLACE:
562 av_bprintf(&dstbuf, "%s", wctx->string_validation_replacement);
567 if (!invalid || wctx->string_validation == WRITER_STRING_VALIDATION_IGNORE)
568 av_bprint_append_data(&dstbuf, p0, p-p0);
571 if (invalid_chars_nb && wctx->string_validation == WRITER_STRING_VALIDATION_REPLACE) {
572 av_log(wctx, AV_LOG_WARNING,
573 "%d invalid UTF-8 sequence(s) found in string '%s', replaced with '%s'\n",
574 invalid_chars_nb, src, wctx->string_validation_replacement);
578 av_bprint_finalize(&dstbuf, dstp);
582 #define PRINT_STRING_OPT 1
583 #define PRINT_STRING_VALIDATE 2
585 static inline int writer_print_string(WriterContext *wctx,
586 const char *key, const char *val, int flags)
588 const struct section *section = wctx->section[wctx->level];
591 if ((flags & PRINT_STRING_OPT)
592 && !(wctx->writer->flags & WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS))
595 if (section->show_all_entries || av_dict_get(section->entries_to_show, key, NULL, 0)) {
596 if (flags & PRINT_STRING_VALIDATE) {
597 char *key1 = NULL, *val1 = NULL;
598 ret = validate_string(wctx, &key1, key);
599 if (ret < 0) goto end;
600 ret = validate_string(wctx, &val1, val);
601 if (ret < 0) goto end;
602 wctx->writer->print_string(wctx, key1, val1);
605 av_log(wctx, AV_LOG_ERROR,
606 "Invalid key=value string combination %s=%s in section %s\n",
607 key, val, section->unique_name);
612 wctx->writer->print_string(wctx, key, val);
615 wctx->nb_item[wctx->level]++;
621 static inline void writer_print_rational(WriterContext *wctx,
622 const char *key, AVRational q, char sep)
625 av_bprint_init(&buf, 0, AV_BPRINT_SIZE_AUTOMATIC);
626 av_bprintf(&buf, "%d%c%d", q.num, sep, q.den);
627 writer_print_string(wctx, key, buf.str, 0);
630 static void writer_print_time(WriterContext *wctx, const char *key,
631 int64_t ts, const AVRational *time_base, int is_duration)
635 if ((!is_duration && ts == AV_NOPTS_VALUE) || (is_duration && ts == 0)) {
636 writer_print_string(wctx, key, "N/A", PRINT_STRING_OPT);
638 double d = ts * av_q2d(*time_base);
639 struct unit_value uv;
641 uv.unit = unit_second_str;
642 value_string(buf, sizeof(buf), uv);
643 writer_print_string(wctx, key, buf, 0);
647 static void writer_print_ts(WriterContext *wctx, const char *key, int64_t ts, int is_duration)
649 if ((!is_duration && ts == AV_NOPTS_VALUE) || (is_duration && ts == 0)) {
650 writer_print_string(wctx, key, "N/A", PRINT_STRING_OPT);
652 writer_print_integer(wctx, key, ts);
656 static void writer_print_data(WriterContext *wctx, const char *name,
657 uint8_t *data, int size)
660 int offset = 0, l, i;
662 av_bprint_init(&bp, 0, AV_BPRINT_SIZE_UNLIMITED);
663 av_bprintf(&bp, "\n");
665 av_bprintf(&bp, "%08x: ", offset);
667 for (i = 0; i < l; i++) {
668 av_bprintf(&bp, "%02x", data[i]);
670 av_bprintf(&bp, " ");
672 av_bprint_chars(&bp, ' ', 41 - 2 * i - i / 2);
673 for (i = 0; i < l; i++)
674 av_bprint_chars(&bp, data[i] - 32U < 95 ? data[i] : '.', 1);
675 av_bprintf(&bp, "\n");
680 writer_print_string(wctx, name, bp.str, 0);
681 av_bprint_finalize(&bp, NULL);
684 #define MAX_REGISTERED_WRITERS_NB 64
686 static const Writer *registered_writers[MAX_REGISTERED_WRITERS_NB + 1];
688 static int writer_register(const Writer *writer)
690 static int next_registered_writer_idx = 0;
692 if (next_registered_writer_idx == MAX_REGISTERED_WRITERS_NB)
693 return AVERROR(ENOMEM);
695 registered_writers[next_registered_writer_idx++] = writer;
699 static const Writer *writer_get_by_name(const char *name)
703 for (i = 0; registered_writers[i]; i++)
704 if (!strcmp(registered_writers[i]->name, name))
705 return registered_writers[i];
713 #define DEFINE_WRITER_CLASS(name) \
714 static const char *name##_get_name(void *ctx) \
718 static const AVClass name##_class = { \
719 .class_name = #name, \
720 .item_name = name##_get_name, \
721 .option = name##_options \
726 typedef struct DefaultContext {
727 const AVClass *class;
729 int noprint_wrappers;
730 int nested_section[SECTION_MAX_NB_LEVELS];
734 #define OFFSET(x) offsetof(DefaultContext, x)
736 static const AVOption default_options[] = {
737 { "noprint_wrappers", "do not print headers and footers", OFFSET(noprint_wrappers), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
738 { "nw", "do not print headers and footers", OFFSET(noprint_wrappers), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
739 { "nokey", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
740 { "nk", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
744 DEFINE_WRITER_CLASS(default);
746 /* lame uppercasing routine, assumes the string is lower case ASCII */
747 static inline char *upcase_string(char *dst, size_t dst_size, const char *src)
750 for (i = 0; src[i] && i < dst_size-1; i++)
751 dst[i] = av_toupper(src[i]);
756 static void default_print_section_header(WriterContext *wctx)
758 DefaultContext *def = wctx->priv;
760 const struct section *section = wctx->section[wctx->level];
761 const struct section *parent_section = wctx->level ?
762 wctx->section[wctx->level-1] : NULL;
764 av_bprint_clear(&wctx->section_pbuf[wctx->level]);
765 if (parent_section &&
766 !(parent_section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY))) {
767 def->nested_section[wctx->level] = 1;
768 av_bprintf(&wctx->section_pbuf[wctx->level], "%s%s:",
769 wctx->section_pbuf[wctx->level-1].str,
770 upcase_string(buf, sizeof(buf),
771 av_x_if_null(section->element_name, section->name)));
774 if (def->noprint_wrappers || def->nested_section[wctx->level])
777 if (!(section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY)))
778 printf("[%s]\n", upcase_string(buf, sizeof(buf), section->name));
781 static void default_print_section_footer(WriterContext *wctx)
783 DefaultContext *def = wctx->priv;
784 const struct section *section = wctx->section[wctx->level];
787 if (def->noprint_wrappers || def->nested_section[wctx->level])
790 if (!(section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY)))
791 printf("[/%s]\n", upcase_string(buf, sizeof(buf), section->name));
794 static void default_print_str(WriterContext *wctx, const char *key, const char *value)
796 DefaultContext *def = wctx->priv;
799 printf("%s%s=", wctx->section_pbuf[wctx->level].str, key);
800 printf("%s\n", value);
803 static void default_print_int(WriterContext *wctx, const char *key, long long int value)
805 DefaultContext *def = wctx->priv;
808 printf("%s%s=", wctx->section_pbuf[wctx->level].str, key);
809 printf("%lld\n", value);
812 static const Writer default_writer = {
814 .priv_size = sizeof(DefaultContext),
815 .print_section_header = default_print_section_header,
816 .print_section_footer = default_print_section_footer,
817 .print_integer = default_print_int,
818 .print_string = default_print_str,
819 .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS,
820 .priv_class = &default_class,
826 * Apply C-language-like string escaping.
828 static const char *c_escape_str(AVBPrint *dst, const char *src, const char sep, void *log_ctx)
832 for (p = src; *p; p++) {
834 case '\b': av_bprintf(dst, "%s", "\\b"); break;
835 case '\f': av_bprintf(dst, "%s", "\\f"); break;
836 case '\n': av_bprintf(dst, "%s", "\\n"); break;
837 case '\r': av_bprintf(dst, "%s", "\\r"); break;
838 case '\\': av_bprintf(dst, "%s", "\\\\"); break;
841 av_bprint_chars(dst, '\\', 1);
842 av_bprint_chars(dst, *p, 1);
849 * Quote fields containing special characters, check RFC4180.
851 static const char *csv_escape_str(AVBPrint *dst, const char *src, const char sep, void *log_ctx)
853 char meta_chars[] = { sep, '"', '\n', '\r', '\0' };
854 int needs_quoting = !!src[strcspn(src, meta_chars)];
857 av_bprint_chars(dst, '"', 1);
859 for (; *src; src++) {
861 av_bprint_chars(dst, '"', 1);
862 av_bprint_chars(dst, *src, 1);
865 av_bprint_chars(dst, '"', 1);
869 static const char *none_escape_str(AVBPrint *dst, const char *src, const char sep, void *log_ctx)
874 typedef struct CompactContext {
875 const AVClass *class;
880 char *escape_mode_str;
881 const char * (*escape_str)(AVBPrint *dst, const char *src, const char sep, void *log_ctx);
882 int nested_section[SECTION_MAX_NB_LEVELS];
883 int has_nested_elems[SECTION_MAX_NB_LEVELS];
884 int terminate_line[SECTION_MAX_NB_LEVELS];
888 #define OFFSET(x) offsetof(CompactContext, x)
890 static const AVOption compact_options[]= {
891 {"item_sep", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str="|"}, CHAR_MIN, CHAR_MAX },
892 {"s", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str="|"}, CHAR_MIN, CHAR_MAX },
893 {"nokey", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
894 {"nk", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
895 {"escape", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="c"}, CHAR_MIN, CHAR_MAX },
896 {"e", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="c"}, CHAR_MIN, CHAR_MAX },
897 {"print_section", "print section name", OFFSET(print_section), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
898 {"p", "print section name", OFFSET(print_section), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
902 DEFINE_WRITER_CLASS(compact);
904 static av_cold int compact_init(WriterContext *wctx)
906 CompactContext *compact = wctx->priv;
908 if (strlen(compact->item_sep_str) != 1) {
909 av_log(wctx, AV_LOG_ERROR, "Item separator '%s' specified, but must contain a single character\n",
910 compact->item_sep_str);
911 return AVERROR(EINVAL);
913 compact->item_sep = compact->item_sep_str[0];
915 if (!strcmp(compact->escape_mode_str, "none")) compact->escape_str = none_escape_str;
916 else if (!strcmp(compact->escape_mode_str, "c" )) compact->escape_str = c_escape_str;
917 else if (!strcmp(compact->escape_mode_str, "csv" )) compact->escape_str = csv_escape_str;
919 av_log(wctx, AV_LOG_ERROR, "Unknown escape mode '%s'\n", compact->escape_mode_str);
920 return AVERROR(EINVAL);
926 static void compact_print_section_header(WriterContext *wctx)
928 CompactContext *compact = wctx->priv;
929 const struct section *section = wctx->section[wctx->level];
930 const struct section *parent_section = wctx->level ?
931 wctx->section[wctx->level-1] : NULL;
932 compact->terminate_line[wctx->level] = 1;
933 compact->has_nested_elems[wctx->level] = 0;
935 av_bprint_clear(&wctx->section_pbuf[wctx->level]);
936 if (!(section->flags & SECTION_FLAG_IS_ARRAY) && parent_section &&
937 !(parent_section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY))) {
938 compact->nested_section[wctx->level] = 1;
939 compact->has_nested_elems[wctx->level-1] = 1;
940 av_bprintf(&wctx->section_pbuf[wctx->level], "%s%s:",
941 wctx->section_pbuf[wctx->level-1].str,
942 (char *)av_x_if_null(section->element_name, section->name));
943 wctx->nb_item[wctx->level] = wctx->nb_item[wctx->level-1];
945 if (parent_section && compact->has_nested_elems[wctx->level-1] &&
946 (section->flags & SECTION_FLAG_IS_ARRAY)) {
947 compact->terminate_line[wctx->level-1] = 0;
950 if (compact->print_section &&
951 !(section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY)))
952 printf("%s%c", section->name, compact->item_sep);
956 static void compact_print_section_footer(WriterContext *wctx)
958 CompactContext *compact = wctx->priv;
960 if (!compact->nested_section[wctx->level] &&
961 compact->terminate_line[wctx->level] &&
962 !(wctx->section[wctx->level]->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY)))
966 static void compact_print_str(WriterContext *wctx, const char *key, const char *value)
968 CompactContext *compact = wctx->priv;
971 if (wctx->nb_item[wctx->level]) printf("%c", compact->item_sep);
973 printf("%s%s=", wctx->section_pbuf[wctx->level].str, key);
974 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
975 printf("%s", compact->escape_str(&buf, value, compact->item_sep, wctx));
976 av_bprint_finalize(&buf, NULL);
979 static void compact_print_int(WriterContext *wctx, const char *key, long long int value)
981 CompactContext *compact = wctx->priv;
983 if (wctx->nb_item[wctx->level]) printf("%c", compact->item_sep);
985 printf("%s%s=", wctx->section_pbuf[wctx->level].str, key);
986 printf("%lld", value);
989 static const Writer compact_writer = {
991 .priv_size = sizeof(CompactContext),
992 .init = compact_init,
993 .print_section_header = compact_print_section_header,
994 .print_section_footer = compact_print_section_footer,
995 .print_integer = compact_print_int,
996 .print_string = compact_print_str,
997 .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS,
998 .priv_class = &compact_class,
1004 #define OFFSET(x) offsetof(CompactContext, x)
1006 static const AVOption csv_options[] = {
1007 {"item_sep", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str=","}, CHAR_MIN, CHAR_MAX },
1008 {"s", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str=","}, CHAR_MIN, CHAR_MAX },
1009 {"nokey", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
1010 {"nk", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
1011 {"escape", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="csv"}, CHAR_MIN, CHAR_MAX },
1012 {"e", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="csv"}, CHAR_MIN, CHAR_MAX },
1013 {"print_section", "print section name", OFFSET(print_section), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
1014 {"p", "print section name", OFFSET(print_section), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
1018 DEFINE_WRITER_CLASS(csv);
1020 static const Writer csv_writer = {
1022 .priv_size = sizeof(CompactContext),
1023 .init = compact_init,
1024 .print_section_header = compact_print_section_header,
1025 .print_section_footer = compact_print_section_footer,
1026 .print_integer = compact_print_int,
1027 .print_string = compact_print_str,
1028 .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS,
1029 .priv_class = &csv_class,
1034 typedef struct FlatContext {
1035 const AVClass *class;
1036 const char *sep_str;
1042 #define OFFSET(x) offsetof(FlatContext, x)
1044 static const AVOption flat_options[]= {
1045 {"sep_char", "set separator", OFFSET(sep_str), AV_OPT_TYPE_STRING, {.str="."}, CHAR_MIN, CHAR_MAX },
1046 {"s", "set separator", OFFSET(sep_str), AV_OPT_TYPE_STRING, {.str="."}, CHAR_MIN, CHAR_MAX },
1047 {"hierarchical", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
1048 {"h", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
1052 DEFINE_WRITER_CLASS(flat);
1054 static av_cold int flat_init(WriterContext *wctx)
1056 FlatContext *flat = wctx->priv;
1058 if (strlen(flat->sep_str) != 1) {
1059 av_log(wctx, AV_LOG_ERROR, "Item separator '%s' specified, but must contain a single character\n",
1061 return AVERROR(EINVAL);
1063 flat->sep = flat->sep_str[0];
1068 static const char *flat_escape_key_str(AVBPrint *dst, const char *src, const char sep)
1072 for (p = src; *p; p++) {
1073 if (!((*p >= '0' && *p <= '9') ||
1074 (*p >= 'a' && *p <= 'z') ||
1075 (*p >= 'A' && *p <= 'Z')))
1076 av_bprint_chars(dst, '_', 1);
1078 av_bprint_chars(dst, *p, 1);
1083 static const char *flat_escape_value_str(AVBPrint *dst, const char *src)
1087 for (p = src; *p; p++) {
1089 case '\n': av_bprintf(dst, "%s", "\\n"); break;
1090 case '\r': av_bprintf(dst, "%s", "\\r"); break;
1091 case '\\': av_bprintf(dst, "%s", "\\\\"); break;
1092 case '"': av_bprintf(dst, "%s", "\\\""); break;
1093 case '`': av_bprintf(dst, "%s", "\\`"); break;
1094 case '$': av_bprintf(dst, "%s", "\\$"); break;
1095 default: av_bprint_chars(dst, *p, 1); break;
1101 static void flat_print_section_header(WriterContext *wctx)
1103 FlatContext *flat = wctx->priv;
1104 AVBPrint *buf = &wctx->section_pbuf[wctx->level];
1105 const struct section *section = wctx->section[wctx->level];
1106 const struct section *parent_section = wctx->level ?
1107 wctx->section[wctx->level-1] : NULL;
1109 /* build section header */
1110 av_bprint_clear(buf);
1111 if (!parent_section)
1113 av_bprintf(buf, "%s", wctx->section_pbuf[wctx->level-1].str);
1115 if (flat->hierarchical ||
1116 !(section->flags & (SECTION_FLAG_IS_ARRAY|SECTION_FLAG_IS_WRAPPER))) {
1117 av_bprintf(buf, "%s%s", wctx->section[wctx->level]->name, flat->sep_str);
1119 if (parent_section->flags & SECTION_FLAG_IS_ARRAY) {
1120 int n = parent_section->id == SECTION_ID_PACKETS_AND_FRAMES ?
1121 wctx->nb_section_packet_frame : wctx->nb_item[wctx->level-1];
1122 av_bprintf(buf, "%d%s", n, flat->sep_str);
1127 static void flat_print_int(WriterContext *wctx, const char *key, long long int value)
1129 printf("%s%s=%lld\n", wctx->section_pbuf[wctx->level].str, key, value);
1132 static void flat_print_str(WriterContext *wctx, const char *key, const char *value)
1134 FlatContext *flat = wctx->priv;
1137 printf("%s", wctx->section_pbuf[wctx->level].str);
1138 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1139 printf("%s=", flat_escape_key_str(&buf, key, flat->sep));
1140 av_bprint_clear(&buf);
1141 printf("\"%s\"\n", flat_escape_value_str(&buf, value));
1142 av_bprint_finalize(&buf, NULL);
1145 static const Writer flat_writer = {
1147 .priv_size = sizeof(FlatContext),
1149 .print_section_header = flat_print_section_header,
1150 .print_integer = flat_print_int,
1151 .print_string = flat_print_str,
1152 .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS|WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,
1153 .priv_class = &flat_class,
1156 /* INI format output */
1159 const AVClass *class;
1164 #define OFFSET(x) offsetof(INIContext, x)
1166 static const AVOption ini_options[] = {
1167 {"hierarchical", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
1168 {"h", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
1172 DEFINE_WRITER_CLASS(ini);
1174 static char *ini_escape_str(AVBPrint *dst, const char *src)
1179 while (c = src[i++]) {
1181 case '\b': av_bprintf(dst, "%s", "\\b"); break;
1182 case '\f': av_bprintf(dst, "%s", "\\f"); break;
1183 case '\n': av_bprintf(dst, "%s", "\\n"); break;
1184 case '\r': av_bprintf(dst, "%s", "\\r"); break;
1185 case '\t': av_bprintf(dst, "%s", "\\t"); break;
1189 case ':' : av_bprint_chars(dst, '\\', 1);
1191 if ((unsigned char)c < 32)
1192 av_bprintf(dst, "\\x00%02x", c & 0xff);
1194 av_bprint_chars(dst, c, 1);
1201 static void ini_print_section_header(WriterContext *wctx)
1203 INIContext *ini = wctx->priv;
1204 AVBPrint *buf = &wctx->section_pbuf[wctx->level];
1205 const struct section *section = wctx->section[wctx->level];
1206 const struct section *parent_section = wctx->level ?
1207 wctx->section[wctx->level-1] : NULL;
1209 av_bprint_clear(buf);
1210 if (!parent_section) {
1211 printf("# ffprobe output\n\n");
1215 if (wctx->nb_item[wctx->level-1])
1218 av_bprintf(buf, "%s", wctx->section_pbuf[wctx->level-1].str);
1219 if (ini->hierarchical ||
1220 !(section->flags & (SECTION_FLAG_IS_ARRAY|SECTION_FLAG_IS_WRAPPER))) {
1221 av_bprintf(buf, "%s%s", buf->str[0] ? "." : "", wctx->section[wctx->level]->name);
1223 if (parent_section->flags & SECTION_FLAG_IS_ARRAY) {
1224 int n = parent_section->id == SECTION_ID_PACKETS_AND_FRAMES ?
1225 wctx->nb_section_packet_frame : wctx->nb_item[wctx->level-1];
1226 av_bprintf(buf, ".%d", n);
1230 if (!(section->flags & (SECTION_FLAG_IS_ARRAY|SECTION_FLAG_IS_WRAPPER)))
1231 printf("[%s]\n", buf->str);
1234 static void ini_print_str(WriterContext *wctx, const char *key, const char *value)
1238 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1239 printf("%s=", ini_escape_str(&buf, key));
1240 av_bprint_clear(&buf);
1241 printf("%s\n", ini_escape_str(&buf, value));
1242 av_bprint_finalize(&buf, NULL);
1245 static void ini_print_int(WriterContext *wctx, const char *key, long long int value)
1247 printf("%s=%lld\n", key, value);
1250 static const Writer ini_writer = {
1252 .priv_size = sizeof(INIContext),
1253 .print_section_header = ini_print_section_header,
1254 .print_integer = ini_print_int,
1255 .print_string = ini_print_str,
1256 .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS|WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,
1257 .priv_class = &ini_class,
1263 const AVClass *class;
1266 const char *item_sep, *item_start_end;
1270 #define OFFSET(x) offsetof(JSONContext, x)
1272 static const AVOption json_options[]= {
1273 { "compact", "enable compact output", OFFSET(compact), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
1274 { "c", "enable compact output", OFFSET(compact), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
1278 DEFINE_WRITER_CLASS(json);
1280 static av_cold int json_init(WriterContext *wctx)
1282 JSONContext *json = wctx->priv;
1284 json->item_sep = json->compact ? ", " : ",\n";
1285 json->item_start_end = json->compact ? " " : "\n";
1290 static const char *json_escape_str(AVBPrint *dst, const char *src, void *log_ctx)
1292 static const char json_escape[] = {'"', '\\', '\b', '\f', '\n', '\r', '\t', 0};
1293 static const char json_subst[] = {'"', '\\', 'b', 'f', 'n', 'r', 't', 0};
1296 for (p = src; *p; p++) {
1297 char *s = strchr(json_escape, *p);
1299 av_bprint_chars(dst, '\\', 1);
1300 av_bprint_chars(dst, json_subst[s - json_escape], 1);
1301 } else if ((unsigned char)*p < 32) {
1302 av_bprintf(dst, "\\u00%02x", *p & 0xff);
1304 av_bprint_chars(dst, *p, 1);
1310 #define JSON_INDENT() printf("%*c", json->indent_level * 4, ' ')
1312 static void json_print_section_header(WriterContext *wctx)
1314 JSONContext *json = wctx->priv;
1316 const struct section *section = wctx->section[wctx->level];
1317 const struct section *parent_section = wctx->level ?
1318 wctx->section[wctx->level-1] : NULL;
1320 if (wctx->level && wctx->nb_item[wctx->level-1])
1323 if (section->flags & SECTION_FLAG_IS_WRAPPER) {
1325 json->indent_level++;
1327 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1328 json_escape_str(&buf, section->name, wctx);
1331 json->indent_level++;
1332 if (section->flags & SECTION_FLAG_IS_ARRAY) {
1333 printf("\"%s\": [\n", buf.str);
1334 } else if (parent_section && !(parent_section->flags & SECTION_FLAG_IS_ARRAY)) {
1335 printf("\"%s\": {%s", buf.str, json->item_start_end);
1337 printf("{%s", json->item_start_end);
1339 /* this is required so the parser can distinguish between packets and frames */
1340 if (parent_section && parent_section->id == SECTION_ID_PACKETS_AND_FRAMES) {
1343 printf("\"type\": \"%s\"%s", section->name, json->item_sep);
1346 av_bprint_finalize(&buf, NULL);
1350 static void json_print_section_footer(WriterContext *wctx)
1352 JSONContext *json = wctx->priv;
1353 const struct section *section = wctx->section[wctx->level];
1355 if (wctx->level == 0) {
1356 json->indent_level--;
1358 } else if (section->flags & SECTION_FLAG_IS_ARRAY) {
1360 json->indent_level--;
1364 printf("%s", json->item_start_end);
1365 json->indent_level--;
1372 static inline void json_print_item_str(WriterContext *wctx,
1373 const char *key, const char *value)
1377 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1378 printf("\"%s\":", json_escape_str(&buf, key, wctx));
1379 av_bprint_clear(&buf);
1380 printf(" \"%s\"", json_escape_str(&buf, value, wctx));
1381 av_bprint_finalize(&buf, NULL);
1384 static void json_print_str(WriterContext *wctx, const char *key, const char *value)
1386 JSONContext *json = wctx->priv;
1388 if (wctx->nb_item[wctx->level])
1389 printf("%s", json->item_sep);
1392 json_print_item_str(wctx, key, value);
1395 static void json_print_int(WriterContext *wctx, const char *key, long long int value)
1397 JSONContext *json = wctx->priv;
1400 if (wctx->nb_item[wctx->level])
1401 printf("%s", json->item_sep);
1405 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1406 printf("\"%s\": %lld", json_escape_str(&buf, key, wctx), value);
1407 av_bprint_finalize(&buf, NULL);
1410 static const Writer json_writer = {
1412 .priv_size = sizeof(JSONContext),
1414 .print_section_header = json_print_section_header,
1415 .print_section_footer = json_print_section_footer,
1416 .print_integer = json_print_int,
1417 .print_string = json_print_str,
1418 .flags = WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,
1419 .priv_class = &json_class,
1425 const AVClass *class;
1428 int fully_qualified;
1433 #define OFFSET(x) offsetof(XMLContext, x)
1435 static const AVOption xml_options[] = {
1436 {"fully_qualified", "specify if the output should be fully qualified", OFFSET(fully_qualified), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
1437 {"q", "specify if the output should be fully qualified", OFFSET(fully_qualified), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
1438 {"xsd_strict", "ensure that the output is XSD compliant", OFFSET(xsd_strict), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
1439 {"x", "ensure that the output is XSD compliant", OFFSET(xsd_strict), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
1443 DEFINE_WRITER_CLASS(xml);
1445 static av_cold int xml_init(WriterContext *wctx)
1447 XMLContext *xml = wctx->priv;
1449 if (xml->xsd_strict) {
1450 xml->fully_qualified = 1;
1451 #define CHECK_COMPLIANCE(opt, opt_name) \
1453 av_log(wctx, AV_LOG_ERROR, \
1454 "XSD-compliant output selected but option '%s' was selected, XML output may be non-compliant.\n" \
1455 "You need to disable such option with '-no%s'\n", opt_name, opt_name); \
1456 return AVERROR(EINVAL); \
1458 CHECK_COMPLIANCE(show_private_data, "private");
1459 CHECK_COMPLIANCE(show_value_unit, "unit");
1460 CHECK_COMPLIANCE(use_value_prefix, "prefix");
1462 if (do_show_frames && do_show_packets) {
1463 av_log(wctx, AV_LOG_ERROR,
1464 "Interleaved frames and packets are not allowed in XSD. "
1465 "Select only one between the -show_frames and the -show_packets options.\n");
1466 return AVERROR(EINVAL);
1473 static const char *xml_escape_str(AVBPrint *dst, const char *src, void *log_ctx)
1477 for (p = src; *p; p++) {
1479 case '&' : av_bprintf(dst, "%s", "&"); break;
1480 case '<' : av_bprintf(dst, "%s", "<"); break;
1481 case '>' : av_bprintf(dst, "%s", ">"); break;
1482 case '"' : av_bprintf(dst, "%s", """); break;
1483 case '\'': av_bprintf(dst, "%s", "'"); break;
1484 default: av_bprint_chars(dst, *p, 1);
1491 #define XML_INDENT() printf("%*c", xml->indent_level * 4, ' ')
1493 static void xml_print_section_header(WriterContext *wctx)
1495 XMLContext *xml = wctx->priv;
1496 const struct section *section = wctx->section[wctx->level];
1497 const struct section *parent_section = wctx->level ?
1498 wctx->section[wctx->level-1] : NULL;
1500 if (wctx->level == 0) {
1501 const char *qual = " xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' "
1502 "xmlns:ffprobe='http://www.ffmpeg.org/schema/ffprobe' "
1503 "xsi:schemaLocation='http://www.ffmpeg.org/schema/ffprobe ffprobe.xsd'";
1505 printf("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");
1506 printf("<%sffprobe%s>\n",
1507 xml->fully_qualified ? "ffprobe:" : "",
1508 xml->fully_qualified ? qual : "");
1512 if (xml->within_tag) {
1513 xml->within_tag = 0;
1516 if (section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS) {
1517 xml->indent_level++;
1519 if (parent_section && (parent_section->flags & SECTION_FLAG_IS_WRAPPER) &&
1520 wctx->level && wctx->nb_item[wctx->level-1])
1522 xml->indent_level++;
1524 if (section->flags & SECTION_FLAG_IS_ARRAY) {
1525 XML_INDENT(); printf("<%s>\n", section->name);
1527 XML_INDENT(); printf("<%s ", section->name);
1528 xml->within_tag = 1;
1533 static void xml_print_section_footer(WriterContext *wctx)
1535 XMLContext *xml = wctx->priv;
1536 const struct section *section = wctx->section[wctx->level];
1538 if (wctx->level == 0) {
1539 printf("</%sffprobe>\n", xml->fully_qualified ? "ffprobe:" : "");
1540 } else if (xml->within_tag) {
1541 xml->within_tag = 0;
1543 xml->indent_level--;
1544 } else if (section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS) {
1545 xml->indent_level--;
1547 XML_INDENT(); printf("</%s>\n", section->name);
1548 xml->indent_level--;
1552 static void xml_print_str(WriterContext *wctx, const char *key, const char *value)
1555 XMLContext *xml = wctx->priv;
1556 const struct section *section = wctx->section[wctx->level];
1558 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1560 if (section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS) {
1562 printf("<%s key=\"%s\"",
1563 section->element_name, xml_escape_str(&buf, key, wctx));
1564 av_bprint_clear(&buf);
1565 printf(" value=\"%s\"/>\n", xml_escape_str(&buf, value, wctx));
1567 if (wctx->nb_item[wctx->level])
1569 printf("%s=\"%s\"", key, xml_escape_str(&buf, value, wctx));
1572 av_bprint_finalize(&buf, NULL);
1575 static void xml_print_int(WriterContext *wctx, const char *key, long long int value)
1577 if (wctx->nb_item[wctx->level])
1579 printf("%s=\"%lld\"", key, value);
1582 static Writer xml_writer = {
1584 .priv_size = sizeof(XMLContext),
1586 .print_section_header = xml_print_section_header,
1587 .print_section_footer = xml_print_section_footer,
1588 .print_integer = xml_print_int,
1589 .print_string = xml_print_str,
1590 .flags = WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,
1591 .priv_class = &xml_class,
1594 static void writer_register_all(void)
1596 static int initialized;
1602 writer_register(&default_writer);
1603 writer_register(&compact_writer);
1604 writer_register(&csv_writer);
1605 writer_register(&flat_writer);
1606 writer_register(&ini_writer);
1607 writer_register(&json_writer);
1608 writer_register(&xml_writer);
1611 #define print_fmt(k, f, ...) do { \
1612 av_bprint_clear(&pbuf); \
1613 av_bprintf(&pbuf, f, __VA_ARGS__); \
1614 writer_print_string(w, k, pbuf.str, 0); \
1617 #define print_int(k, v) writer_print_integer(w, k, v)
1618 #define print_q(k, v, s) writer_print_rational(w, k, v, s)
1619 #define print_str(k, v) writer_print_string(w, k, v, 0)
1620 #define print_str_opt(k, v) writer_print_string(w, k, v, PRINT_STRING_OPT)
1621 #define print_str_validate(k, v) writer_print_string(w, k, v, PRINT_STRING_VALIDATE)
1622 #define print_time(k, v, tb) writer_print_time(w, k, v, tb, 0)
1623 #define print_ts(k, v) writer_print_ts(w, k, v, 0)
1624 #define print_duration_time(k, v, tb) writer_print_time(w, k, v, tb, 1)
1625 #define print_duration_ts(k, v) writer_print_ts(w, k, v, 1)
1626 #define print_val(k, v, u) do { \
1627 struct unit_value uv; \
1630 writer_print_string(w, k, value_string(val_str, sizeof(val_str), uv), 0); \
1633 #define print_section_header(s) writer_print_section_header(w, s)
1634 #define print_section_footer(s) writer_print_section_footer(w, s)
1636 #define REALLOCZ_ARRAY_STREAM(ptr, cur_n, new_n) \
1638 ret = av_reallocp_array(&(ptr), (new_n), sizeof(*(ptr))); \
1641 memset( (ptr) + (cur_n), 0, ((new_n) - (cur_n)) * sizeof(*(ptr)) ); \
1644 static inline int show_tags(WriterContext *w, AVDictionary *tags, int section_id)
1646 AVDictionaryEntry *tag = NULL;
1651 writer_print_section_header(w, section_id);
1653 while ((tag = av_dict_get(tags, "", tag, AV_DICT_IGNORE_SUFFIX))) {
1654 if ((ret = print_str_validate(tag->key, tag->value)) < 0)
1657 writer_print_section_footer(w);
1662 static void show_packet(WriterContext *w, AVFormatContext *fmt_ctx, AVPacket *pkt, int packet_idx)
1665 AVStream *st = fmt_ctx->streams[pkt->stream_index];
1669 av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
1671 writer_print_section_header(w, SECTION_ID_PACKET);
1673 s = av_get_media_type_string(st->codec->codec_type);
1674 if (s) print_str ("codec_type", s);
1675 else print_str_opt("codec_type", "unknown");
1676 print_int("stream_index", pkt->stream_index);
1677 print_ts ("pts", pkt->pts);
1678 print_time("pts_time", pkt->pts, &st->time_base);
1679 print_ts ("dts", pkt->dts);
1680 print_time("dts_time", pkt->dts, &st->time_base);
1681 print_duration_ts("duration", pkt->duration);
1682 print_duration_time("duration_time", pkt->duration, &st->time_base);
1683 print_duration_ts("convergence_duration", pkt->convergence_duration);
1684 print_duration_time("convergence_duration_time", pkt->convergence_duration, &st->time_base);
1685 print_val("size", pkt->size, unit_byte_str);
1686 if (pkt->pos != -1) print_fmt ("pos", "%"PRId64, pkt->pos);
1687 else print_str_opt("pos", "N/A");
1688 print_fmt("flags", "%c", pkt->flags & AV_PKT_FLAG_KEY ? 'K' : '_');
1690 writer_print_data(w, "data", pkt->data, pkt->size);
1691 writer_print_section_footer(w);
1693 av_bprint_finalize(&pbuf, NULL);
1697 static void show_subtitle(WriterContext *w, AVSubtitle *sub, AVStream *stream,
1698 AVFormatContext *fmt_ctx)
1702 av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
1704 writer_print_section_header(w, SECTION_ID_SUBTITLE);
1706 print_str ("media_type", "subtitle");
1707 print_ts ("pts", sub->pts);
1708 print_time("pts_time", sub->pts, &AV_TIME_BASE_Q);
1709 print_int ("format", sub->format);
1710 print_int ("start_display_time", sub->start_display_time);
1711 print_int ("end_display_time", sub->end_display_time);
1712 print_int ("num_rects", sub->num_rects);
1714 writer_print_section_footer(w);
1716 av_bprint_finalize(&pbuf, NULL);
1720 static void show_frame(WriterContext *w, AVFrame *frame, AVStream *stream,
1721 AVFormatContext *fmt_ctx)
1726 av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
1728 writer_print_section_header(w, SECTION_ID_FRAME);
1730 s = av_get_media_type_string(stream->codec->codec_type);
1731 if (s) print_str ("media_type", s);
1732 else print_str_opt("media_type", "unknown");
1733 print_int("key_frame", frame->key_frame);
1734 print_ts ("pkt_pts", frame->pkt_pts);
1735 print_time("pkt_pts_time", frame->pkt_pts, &stream->time_base);
1736 print_ts ("pkt_dts", frame->pkt_dts);
1737 print_time("pkt_dts_time", frame->pkt_dts, &stream->time_base);
1738 print_ts ("best_effort_timestamp", av_frame_get_best_effort_timestamp(frame));
1739 print_time("best_effort_timestamp_time", av_frame_get_best_effort_timestamp(frame), &stream->time_base);
1740 print_duration_ts ("pkt_duration", av_frame_get_pkt_duration(frame));
1741 print_duration_time("pkt_duration_time", av_frame_get_pkt_duration(frame), &stream->time_base);
1742 if (av_frame_get_pkt_pos (frame) != -1) print_fmt ("pkt_pos", "%"PRId64, av_frame_get_pkt_pos(frame));
1743 else print_str_opt("pkt_pos", "N/A");
1744 if (av_frame_get_pkt_size(frame) != -1) print_fmt ("pkt_size", "%d", av_frame_get_pkt_size(frame));
1745 else print_str_opt("pkt_size", "N/A");
1747 switch (stream->codec->codec_type) {
1750 case AVMEDIA_TYPE_VIDEO:
1751 print_int("width", frame->width);
1752 print_int("height", frame->height);
1753 s = av_get_pix_fmt_name(frame->format);
1754 if (s) print_str ("pix_fmt", s);
1755 else print_str_opt("pix_fmt", "unknown");
1756 sar = av_guess_sample_aspect_ratio(fmt_ctx, stream, frame);
1758 print_q("sample_aspect_ratio", sar, ':');
1760 print_str_opt("sample_aspect_ratio", "N/A");
1762 print_fmt("pict_type", "%c", av_get_picture_type_char(frame->pict_type));
1763 print_int("coded_picture_number", frame->coded_picture_number);
1764 print_int("display_picture_number", frame->display_picture_number);
1765 print_int("interlaced_frame", frame->interlaced_frame);
1766 print_int("top_field_first", frame->top_field_first);
1767 print_int("repeat_pict", frame->repeat_pict);
1770 case AVMEDIA_TYPE_AUDIO:
1771 s = av_get_sample_fmt_name(frame->format);
1772 if (s) print_str ("sample_fmt", s);
1773 else print_str_opt("sample_fmt", "unknown");
1774 print_int("nb_samples", frame->nb_samples);
1775 print_int("channels", av_frame_get_channels(frame));
1776 if (av_frame_get_channel_layout(frame)) {
1777 av_bprint_clear(&pbuf);
1778 av_bprint_channel_layout(&pbuf, av_frame_get_channels(frame),
1779 av_frame_get_channel_layout(frame));
1780 print_str ("channel_layout", pbuf.str);
1782 print_str_opt("channel_layout", "unknown");
1785 if (do_show_frame_tags)
1786 show_tags(w, av_frame_get_metadata(frame), SECTION_ID_FRAME_TAGS);
1788 writer_print_section_footer(w);
1790 av_bprint_finalize(&pbuf, NULL);
1794 static av_always_inline int process_frame(WriterContext *w,
1795 AVFormatContext *fmt_ctx,
1796 AVFrame *frame, AVPacket *pkt)
1798 AVCodecContext *dec_ctx = fmt_ctx->streams[pkt->stream_index]->codec;
1800 int ret = 0, got_frame = 0;
1802 if (dec_ctx->codec) {
1803 switch (dec_ctx->codec_type) {
1804 case AVMEDIA_TYPE_VIDEO:
1805 ret = avcodec_decode_video2(dec_ctx, frame, &got_frame, pkt);
1808 case AVMEDIA_TYPE_AUDIO:
1809 ret = avcodec_decode_audio4(dec_ctx, frame, &got_frame, pkt);
1812 case AVMEDIA_TYPE_SUBTITLE:
1813 ret = avcodec_decode_subtitle2(dec_ctx, &sub, &got_frame, pkt);
1820 ret = FFMIN(ret, pkt->size); /* guard against bogus return values */
1824 int is_sub = (dec_ctx->codec_type == AVMEDIA_TYPE_SUBTITLE);
1825 nb_streams_frames[pkt->stream_index]++;
1828 show_subtitle(w, &sub, fmt_ctx->streams[pkt->stream_index], fmt_ctx);
1830 show_frame(w, frame, fmt_ctx->streams[pkt->stream_index], fmt_ctx);
1832 avsubtitle_free(&sub);
1837 static void log_read_interval(const ReadInterval *interval, void *log_ctx, int log_level)
1839 av_log(log_ctx, log_level, "id:%d", interval->id);
1841 if (interval->has_start) {
1842 av_log(log_ctx, log_level, " start:%s%s", interval->start_is_offset ? "+" : "",
1843 av_ts2timestr(interval->start, &AV_TIME_BASE_Q));
1845 av_log(log_ctx, log_level, " start:N/A");
1848 if (interval->has_end) {
1849 av_log(log_ctx, log_level, " end:%s", interval->end_is_offset ? "+" : "");
1850 if (interval->duration_frames)
1851 av_log(log_ctx, log_level, "#%"PRId64, interval->end);
1853 av_log(log_ctx, log_level, "%s", av_ts2timestr(interval->end, &AV_TIME_BASE_Q));
1855 av_log(log_ctx, log_level, " end:N/A");
1858 av_log(log_ctx, log_level, "\n");
1861 static int read_interval_packets(WriterContext *w, AVFormatContext *fmt_ctx,
1862 const ReadInterval *interval, int64_t *cur_ts)
1865 AVFrame *frame = NULL;
1866 int ret = 0, i = 0, frame_count = 0;
1867 int64_t start = -INT64_MAX, end = interval->end;
1868 int has_start = 0, has_end = interval->has_end && !interval->end_is_offset;
1870 av_init_packet(&pkt);
1872 av_log(NULL, AV_LOG_VERBOSE, "Processing read interval ");
1873 log_read_interval(interval, NULL, AV_LOG_VERBOSE);
1875 if (interval->has_start) {
1877 if (interval->start_is_offset) {
1878 if (*cur_ts == AV_NOPTS_VALUE) {
1879 av_log(NULL, AV_LOG_ERROR,
1880 "Could not seek to relative position since current "
1881 "timestamp is not defined\n");
1882 ret = AVERROR(EINVAL);
1885 target = *cur_ts + interval->start;
1887 target = interval->start;
1890 av_log(NULL, AV_LOG_VERBOSE, "Seeking to read interval start point %s\n",
1891 av_ts2timestr(target, &AV_TIME_BASE_Q));
1892 if ((ret = avformat_seek_file(fmt_ctx, -1, -INT64_MAX, target, INT64_MAX, 0)) < 0) {
1893 av_log(NULL, AV_LOG_ERROR, "Could not seek to position %"PRId64": %s\n",
1894 interval->start, av_err2str(ret));
1899 frame = av_frame_alloc();
1901 ret = AVERROR(ENOMEM);
1904 while (!av_read_frame(fmt_ctx, &pkt)) {
1905 if (fmt_ctx->nb_streams > nb_streams) {
1906 REALLOCZ_ARRAY_STREAM(nb_streams_frames, nb_streams, fmt_ctx->nb_streams);
1907 REALLOCZ_ARRAY_STREAM(nb_streams_packets, nb_streams, fmt_ctx->nb_streams);
1908 REALLOCZ_ARRAY_STREAM(selected_streams, nb_streams, fmt_ctx->nb_streams);
1909 nb_streams = fmt_ctx->nb_streams;
1911 if (selected_streams[pkt.stream_index]) {
1912 AVRational tb = fmt_ctx->streams[pkt.stream_index]->time_base;
1914 if (pkt.pts != AV_NOPTS_VALUE)
1915 *cur_ts = av_rescale_q(pkt.pts, tb, AV_TIME_BASE_Q);
1917 if (!has_start && *cur_ts != AV_NOPTS_VALUE) {
1922 if (has_start && !has_end && interval->end_is_offset) {
1923 end = start + interval->end;
1927 if (interval->end_is_offset && interval->duration_frames) {
1928 if (frame_count >= interval->end)
1930 } else if (has_end && *cur_ts != AV_NOPTS_VALUE && *cur_ts >= end) {
1935 if (do_read_packets) {
1936 if (do_show_packets)
1937 show_packet(w, fmt_ctx, &pkt, i++);
1938 nb_streams_packets[pkt.stream_index]++;
1940 if (do_read_frames) {
1942 while (pkt1.size && process_frame(w, fmt_ctx, frame, &pkt1) > 0);
1945 av_free_packet(&pkt);
1947 av_init_packet(&pkt);
1950 //Flush remaining frames that are cached in the decoder
1951 for (i = 0; i < fmt_ctx->nb_streams; i++) {
1952 pkt.stream_index = i;
1954 while (process_frame(w, fmt_ctx, frame, &pkt) > 0);
1958 av_frame_free(&frame);
1960 av_log(NULL, AV_LOG_ERROR, "Could not read packets in interval ");
1961 log_read_interval(interval, NULL, AV_LOG_ERROR);
1966 static int read_packets(WriterContext *w, AVFormatContext *fmt_ctx)
1969 int64_t cur_ts = fmt_ctx->start_time;
1971 if (read_intervals_nb == 0) {
1972 ReadInterval interval = (ReadInterval) { .has_start = 0, .has_end = 0 };
1973 ret = read_interval_packets(w, fmt_ctx, &interval, &cur_ts);
1975 for (i = 0; i < read_intervals_nb; i++) {
1976 ret = read_interval_packets(w, fmt_ctx, &read_intervals[i], &cur_ts);
1985 static int show_stream(WriterContext *w, AVFormatContext *fmt_ctx, int stream_idx, int in_program)
1987 AVStream *stream = fmt_ctx->streams[stream_idx];
1988 AVCodecContext *dec_ctx;
1992 AVRational sar, dar;
1994 const AVCodecDescriptor *cd;
1997 av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
1999 writer_print_section_header(w, in_program ? SECTION_ID_PROGRAM_STREAM : SECTION_ID_STREAM);
2001 print_int("index", stream->index);
2003 if ((dec_ctx = stream->codec)) {
2004 const char *profile = NULL;
2005 dec = dec_ctx->codec;
2007 print_str("codec_name", dec->name);
2009 if (dec->long_name) print_str ("codec_long_name", dec->long_name);
2010 else print_str_opt("codec_long_name", "unknown");
2012 } else if ((cd = avcodec_descriptor_get(stream->codec->codec_id))) {
2013 print_str_opt("codec_name", cd->name);
2015 print_str_opt("codec_long_name",
2016 cd->long_name ? cd->long_name : "unknown");
2019 print_str_opt("codec_name", "unknown");
2021 print_str_opt("codec_long_name", "unknown");
2025 if (dec && (profile = av_get_profile_name(dec, dec_ctx->profile)))
2026 print_str("profile", profile);
2028 print_str_opt("profile", "unknown");
2030 s = av_get_media_type_string(dec_ctx->codec_type);
2031 if (s) print_str ("codec_type", s);
2032 else print_str_opt("codec_type", "unknown");
2033 print_q("codec_time_base", dec_ctx->time_base, '/');
2035 /* print AVI/FourCC tag */
2036 av_get_codec_tag_string(val_str, sizeof(val_str), dec_ctx->codec_tag);
2037 print_str("codec_tag_string", val_str);
2038 print_fmt("codec_tag", "0x%04x", dec_ctx->codec_tag);
2040 switch (dec_ctx->codec_type) {
2041 case AVMEDIA_TYPE_VIDEO:
2042 print_int("width", dec_ctx->width);
2043 print_int("height", dec_ctx->height);
2044 print_int("has_b_frames", dec_ctx->has_b_frames);
2045 sar = av_guess_sample_aspect_ratio(fmt_ctx, stream, NULL);
2047 print_q("sample_aspect_ratio", sar, ':');
2048 av_reduce(&dar.num, &dar.den,
2049 dec_ctx->width * sar.num,
2050 dec_ctx->height * sar.den,
2052 print_q("display_aspect_ratio", dar, ':');
2054 print_str_opt("sample_aspect_ratio", "N/A");
2055 print_str_opt("display_aspect_ratio", "N/A");
2057 s = av_get_pix_fmt_name(dec_ctx->pix_fmt);
2058 if (s) print_str ("pix_fmt", s);
2059 else print_str_opt("pix_fmt", "unknown");
2060 print_int("level", dec_ctx->level);
2061 if (dec_ctx->color_range != AVCOL_RANGE_UNSPECIFIED)
2062 print_str ("color_range", dec_ctx->color_range == AVCOL_RANGE_MPEG ? "tv": "pc");
2064 print_str_opt("color_range", "N/A");
2065 s = av_get_colorspace_name(dec_ctx->colorspace);
2066 if (s) print_str ("color_space", s);
2067 else print_str_opt("color_space", "unknown");
2068 if (dec_ctx->timecode_frame_start >= 0) {
2069 char tcbuf[AV_TIMECODE_STR_SIZE];
2070 av_timecode_make_mpeg_tc_string(tcbuf, dec_ctx->timecode_frame_start);
2071 print_str("timecode", tcbuf);
2073 print_str_opt("timecode", "N/A");
2077 case AVMEDIA_TYPE_AUDIO:
2078 s = av_get_sample_fmt_name(dec_ctx->sample_fmt);
2079 if (s) print_str ("sample_fmt", s);
2080 else print_str_opt("sample_fmt", "unknown");
2081 print_val("sample_rate", dec_ctx->sample_rate, unit_hertz_str);
2082 print_int("channels", dec_ctx->channels);
2084 if (dec_ctx->channel_layout) {
2085 av_bprint_clear(&pbuf);
2086 av_bprint_channel_layout(&pbuf, dec_ctx->channels, dec_ctx->channel_layout);
2087 print_str ("channel_layout", pbuf.str);
2089 print_str_opt("channel_layout", "unknown");
2092 print_int("bits_per_sample", av_get_bits_per_sample(dec_ctx->codec_id));
2095 case AVMEDIA_TYPE_SUBTITLE:
2097 print_int("width", dec_ctx->width);
2099 print_str_opt("width", "N/A");
2100 if (dec_ctx->height)
2101 print_int("height", dec_ctx->height);
2103 print_str_opt("height", "N/A");
2107 print_str_opt("codec_type", "unknown");
2109 if (dec_ctx->codec && dec_ctx->codec->priv_class && show_private_data) {
2110 const AVOption *opt = NULL;
2111 while (opt = av_opt_next(dec_ctx->priv_data,opt)) {
2113 if (opt->flags) continue;
2114 if (av_opt_get(dec_ctx->priv_data, opt->name, 0, &str) >= 0) {
2115 print_str(opt->name, str);
2121 if (fmt_ctx->iformat->flags & AVFMT_SHOW_IDS) print_fmt ("id", "0x%x", stream->id);
2122 else print_str_opt("id", "N/A");
2123 print_q("r_frame_rate", stream->r_frame_rate, '/');
2124 print_q("avg_frame_rate", stream->avg_frame_rate, '/');
2125 print_q("time_base", stream->time_base, '/');
2126 print_ts ("start_pts", stream->start_time);
2127 print_time("start_time", stream->start_time, &stream->time_base);
2128 print_ts ("duration_ts", stream->duration);
2129 print_time("duration", stream->duration, &stream->time_base);
2130 if (dec_ctx->bit_rate > 0) print_val ("bit_rate", dec_ctx->bit_rate, unit_bit_per_second_str);
2131 else print_str_opt("bit_rate", "N/A");
2132 if (dec_ctx->rc_max_rate > 0) print_val ("max_bit_rate", dec_ctx->rc_max_rate, unit_bit_per_second_str);
2133 else print_str_opt("max_bit_rate", "N/A");
2134 if (stream->nb_frames) print_fmt ("nb_frames", "%"PRId64, stream->nb_frames);
2135 else print_str_opt("nb_frames", "N/A");
2136 if (nb_streams_frames[stream_idx]) print_fmt ("nb_read_frames", "%"PRIu64, nb_streams_frames[stream_idx]);
2137 else print_str_opt("nb_read_frames", "N/A");
2138 if (nb_streams_packets[stream_idx]) print_fmt ("nb_read_packets", "%"PRIu64, nb_streams_packets[stream_idx]);
2139 else print_str_opt("nb_read_packets", "N/A");
2141 writer_print_data(w, "extradata", dec_ctx->extradata,
2142 dec_ctx->extradata_size);
2144 /* Print disposition information */
2145 #define PRINT_DISPOSITION(flagname, name) do { \
2146 print_int(name, !!(stream->disposition & AV_DISPOSITION_##flagname)); \
2149 if (do_show_stream_disposition) {
2150 writer_print_section_header(w, in_program ? SECTION_ID_PROGRAM_STREAM_DISPOSITION : SECTION_ID_STREAM_DISPOSITION);
2151 PRINT_DISPOSITION(DEFAULT, "default");
2152 PRINT_DISPOSITION(DUB, "dub");
2153 PRINT_DISPOSITION(ORIGINAL, "original");
2154 PRINT_DISPOSITION(COMMENT, "comment");
2155 PRINT_DISPOSITION(LYRICS, "lyrics");
2156 PRINT_DISPOSITION(KARAOKE, "karaoke");
2157 PRINT_DISPOSITION(FORCED, "forced");
2158 PRINT_DISPOSITION(HEARING_IMPAIRED, "hearing_impaired");
2159 PRINT_DISPOSITION(VISUAL_IMPAIRED, "visual_impaired");
2160 PRINT_DISPOSITION(CLEAN_EFFECTS, "clean_effects");
2161 PRINT_DISPOSITION(ATTACHED_PIC, "attached_pic");
2162 writer_print_section_footer(w);
2165 if (do_show_stream_tags)
2166 ret = show_tags(w, stream->metadata, in_program ? SECTION_ID_PROGRAM_STREAM_TAGS : SECTION_ID_STREAM_TAGS);
2168 writer_print_section_footer(w);
2169 av_bprint_finalize(&pbuf, NULL);
2175 static int show_streams(WriterContext *w, AVFormatContext *fmt_ctx)
2179 writer_print_section_header(w, SECTION_ID_STREAMS);
2180 for (i = 0; i < fmt_ctx->nb_streams; i++)
2181 if (selected_streams[i]) {
2182 ret = show_stream(w, fmt_ctx, i, 0);
2186 writer_print_section_footer(w);
2191 static int show_program(WriterContext *w, AVFormatContext *fmt_ctx, AVProgram *program)
2195 writer_print_section_header(w, SECTION_ID_PROGRAM);
2196 print_int("program_id", program->id);
2197 print_int("program_num", program->program_num);
2198 print_int("nb_streams", program->nb_stream_indexes);
2199 print_int("pmt_pid", program->pmt_pid);
2200 print_int("pcr_pid", program->pcr_pid);
2201 print_ts("start_pts", program->start_time);
2202 print_time("start_time", program->start_time, &AV_TIME_BASE_Q);
2203 print_ts("end_pts", program->end_time);
2204 print_time("end_time", program->end_time, &AV_TIME_BASE_Q);
2205 if (do_show_program_tags)
2206 ret = show_tags(w, program->metadata, SECTION_ID_PROGRAM_TAGS);
2210 writer_print_section_header(w, SECTION_ID_PROGRAM_STREAMS);
2211 for (i = 0; i < program->nb_stream_indexes; i++) {
2212 if (selected_streams[program->stream_index[i]]) {
2213 ret = show_stream(w, fmt_ctx, program->stream_index[i], 1);
2218 writer_print_section_footer(w);
2221 writer_print_section_footer(w);
2225 static int show_programs(WriterContext *w, AVFormatContext *fmt_ctx)
2229 writer_print_section_header(w, SECTION_ID_PROGRAMS);
2230 for (i = 0; i < fmt_ctx->nb_programs; i++) {
2231 AVProgram *program = fmt_ctx->programs[i];
2234 ret = show_program(w, fmt_ctx, program);
2238 writer_print_section_footer(w);
2242 static int show_chapters(WriterContext *w, AVFormatContext *fmt_ctx)
2246 writer_print_section_header(w, SECTION_ID_CHAPTERS);
2247 for (i = 0; i < fmt_ctx->nb_chapters; i++) {
2248 AVChapter *chapter = fmt_ctx->chapters[i];
2250 writer_print_section_header(w, SECTION_ID_CHAPTER);
2251 print_int("id", chapter->id);
2252 print_q ("time_base", chapter->time_base, '/');
2253 print_int("start", chapter->start);
2254 print_time("start_time", chapter->start, &chapter->time_base);
2255 print_int("end", chapter->end);
2256 print_time("end_time", chapter->end, &chapter->time_base);
2257 if (do_show_chapter_tags)
2258 ret = show_tags(w, chapter->metadata, SECTION_ID_CHAPTER_TAGS);
2259 writer_print_section_footer(w);
2261 writer_print_section_footer(w);
2266 static int show_format(WriterContext *w, AVFormatContext *fmt_ctx)
2269 int64_t size = fmt_ctx->pb ? avio_size(fmt_ctx->pb) : -1;
2272 writer_print_section_header(w, SECTION_ID_FORMAT);
2273 print_str_validate("filename", fmt_ctx->filename);
2274 print_int("nb_streams", fmt_ctx->nb_streams);
2275 print_int("nb_programs", fmt_ctx->nb_programs);
2276 print_str("format_name", fmt_ctx->iformat->name);
2278 if (fmt_ctx->iformat->long_name) print_str ("format_long_name", fmt_ctx->iformat->long_name);
2279 else print_str_opt("format_long_name", "unknown");
2281 print_time("start_time", fmt_ctx->start_time, &AV_TIME_BASE_Q);
2282 print_time("duration", fmt_ctx->duration, &AV_TIME_BASE_Q);
2283 if (size >= 0) print_val ("size", size, unit_byte_str);
2284 else print_str_opt("size", "N/A");
2285 if (fmt_ctx->bit_rate > 0) print_val ("bit_rate", fmt_ctx->bit_rate, unit_bit_per_second_str);
2286 else print_str_opt("bit_rate", "N/A");
2287 print_int("probe_score", av_format_get_probe_score(fmt_ctx));
2288 if (do_show_format_tags)
2289 ret = show_tags(w, fmt_ctx->metadata, SECTION_ID_FORMAT_TAGS);
2291 writer_print_section_footer(w);
2296 static void show_error(WriterContext *w, int err)
2299 const char *errbuf_ptr = errbuf;
2301 if (av_strerror(err, errbuf, sizeof(errbuf)) < 0)
2302 errbuf_ptr = strerror(AVUNERROR(err));
2304 writer_print_section_header(w, SECTION_ID_ERROR);
2305 print_int("code", err);
2306 print_str("string", errbuf_ptr);
2307 writer_print_section_footer(w);
2310 static int open_input_file(AVFormatContext **fmt_ctx_ptr, const char *filename)
2312 int err, i, orig_nb_streams;
2313 AVFormatContext *fmt_ctx = NULL;
2314 AVDictionaryEntry *t;
2315 AVDictionary **opts;
2317 if ((err = avformat_open_input(&fmt_ctx, filename,
2318 iformat, &format_opts)) < 0) {
2319 print_error(filename, err);
2322 if ((t = av_dict_get(format_opts, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
2323 av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
2324 return AVERROR_OPTION_NOT_FOUND;
2327 /* fill the streams in the format context */
2328 opts = setup_find_stream_info_opts(fmt_ctx, codec_opts);
2329 orig_nb_streams = fmt_ctx->nb_streams;
2331 if ((err = avformat_find_stream_info(fmt_ctx, opts)) < 0) {
2332 print_error(filename, err);
2335 for (i = 0; i < orig_nb_streams; i++)
2336 av_dict_free(&opts[i]);
2339 av_dump_format(fmt_ctx, 0, filename, 0);
2341 /* bind a decoder to each input stream */
2342 for (i = 0; i < fmt_ctx->nb_streams; i++) {
2343 AVStream *stream = fmt_ctx->streams[i];
2346 if (stream->codec->codec_id == AV_CODEC_ID_PROBE) {
2347 av_log(NULL, AV_LOG_WARNING,
2348 "Failed to probe codec for input stream %d\n",
2350 } else if (!(codec = avcodec_find_decoder(stream->codec->codec_id))) {
2351 av_log(NULL, AV_LOG_WARNING,
2352 "Unsupported codec with id %d for input stream %d\n",
2353 stream->codec->codec_id, stream->index);
2355 AVDictionary *opts = filter_codec_opts(codec_opts, stream->codec->codec_id,
2356 fmt_ctx, stream, codec);
2357 if (avcodec_open2(stream->codec, codec, &opts) < 0) {
2358 av_log(NULL, AV_LOG_WARNING, "Could not open codec for input stream %d\n",
2361 if ((t = av_dict_get(opts, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
2362 av_log(NULL, AV_LOG_ERROR, "Option %s for input stream %d not found\n",
2363 t->key, stream->index);
2364 return AVERROR_OPTION_NOT_FOUND;
2369 *fmt_ctx_ptr = fmt_ctx;
2373 static void close_input_file(AVFormatContext **ctx_ptr)
2376 AVFormatContext *fmt_ctx = *ctx_ptr;
2378 /* close decoder for each stream */
2379 for (i = 0; i < fmt_ctx->nb_streams; i++)
2380 if (fmt_ctx->streams[i]->codec->codec_id != AV_CODEC_ID_NONE)
2381 avcodec_close(fmt_ctx->streams[i]->codec);
2383 avformat_close_input(ctx_ptr);
2386 static int probe_file(WriterContext *wctx, const char *filename)
2388 AVFormatContext *fmt_ctx;
2392 do_read_frames = do_show_frames || do_count_frames;
2393 do_read_packets = do_show_packets || do_count_packets;
2395 ret = open_input_file(&fmt_ctx, filename);
2399 #define CHECK_END if (ret < 0) goto end
2401 nb_streams = fmt_ctx->nb_streams;
2402 REALLOCZ_ARRAY_STREAM(nb_streams_frames,0,fmt_ctx->nb_streams);
2403 REALLOCZ_ARRAY_STREAM(nb_streams_packets,0,fmt_ctx->nb_streams);
2404 REALLOCZ_ARRAY_STREAM(selected_streams,0,fmt_ctx->nb_streams);
2406 for (i = 0; i < fmt_ctx->nb_streams; i++) {
2407 if (stream_specifier) {
2408 ret = avformat_match_stream_specifier(fmt_ctx,
2409 fmt_ctx->streams[i],
2413 selected_streams[i] = ret;
2416 selected_streams[i] = 1;
2420 if (do_read_frames || do_read_packets) {
2421 if (do_show_frames && do_show_packets &&
2422 wctx->writer->flags & WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER)
2423 section_id = SECTION_ID_PACKETS_AND_FRAMES;
2424 else if (do_show_packets && !do_show_frames)
2425 section_id = SECTION_ID_PACKETS;
2426 else // (!do_show_packets && do_show_frames)
2427 section_id = SECTION_ID_FRAMES;
2428 if (do_show_frames || do_show_packets)
2429 writer_print_section_header(wctx, section_id);
2430 ret = read_packets(wctx, fmt_ctx);
2431 if (do_show_frames || do_show_packets)
2432 writer_print_section_footer(wctx);
2436 if (do_show_programs) {
2437 ret = show_programs(wctx, fmt_ctx);
2441 if (do_show_streams) {
2442 ret = show_streams(wctx, fmt_ctx);
2445 if (do_show_chapters) {
2446 ret = show_chapters(wctx, fmt_ctx);
2449 if (do_show_format) {
2450 ret = show_format(wctx, fmt_ctx);
2455 close_input_file(&fmt_ctx);
2456 av_freep(&nb_streams_frames);
2457 av_freep(&nb_streams_packets);
2458 av_freep(&selected_streams);
2463 static void show_usage(void)
2465 av_log(NULL, AV_LOG_INFO, "Simple multimedia streams analyzer\n");
2466 av_log(NULL, AV_LOG_INFO, "usage: %s [OPTIONS] [INPUT_FILE]\n", program_name);
2467 av_log(NULL, AV_LOG_INFO, "\n");
2470 static void ffprobe_show_program_version(WriterContext *w)
2473 av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
2475 writer_print_section_header(w, SECTION_ID_PROGRAM_VERSION);
2476 print_str("version", FFMPEG_VERSION);
2477 print_fmt("copyright", "Copyright (c) %d-%d the FFmpeg developers",
2478 program_birth_year, CONFIG_THIS_YEAR);
2479 print_str("build_date", __DATE__);
2480 print_str("build_time", __TIME__);
2481 print_str("compiler_ident", CC_IDENT);
2482 print_str("configuration", FFMPEG_CONFIGURATION);
2483 writer_print_section_footer(w);
2485 av_bprint_finalize(&pbuf, NULL);
2488 #define SHOW_LIB_VERSION(libname, LIBNAME) \
2490 if (CONFIG_##LIBNAME) { \
2491 unsigned int version = libname##_version(); \
2492 writer_print_section_header(w, SECTION_ID_LIBRARY_VERSION); \
2493 print_str("name", "lib" #libname); \
2494 print_int("major", LIB##LIBNAME##_VERSION_MAJOR); \
2495 print_int("minor", LIB##LIBNAME##_VERSION_MINOR); \
2496 print_int("micro", LIB##LIBNAME##_VERSION_MICRO); \
2497 print_int("version", version); \
2498 print_str("ident", LIB##LIBNAME##_IDENT); \
2499 writer_print_section_footer(w); \
2503 static void ffprobe_show_library_versions(WriterContext *w)
2505 writer_print_section_header(w, SECTION_ID_LIBRARY_VERSIONS);
2506 SHOW_LIB_VERSION(avutil, AVUTIL);
2507 SHOW_LIB_VERSION(avcodec, AVCODEC);
2508 SHOW_LIB_VERSION(avformat, AVFORMAT);
2509 SHOW_LIB_VERSION(avdevice, AVDEVICE);
2510 SHOW_LIB_VERSION(avfilter, AVFILTER);
2511 SHOW_LIB_VERSION(swscale, SWSCALE);
2512 SHOW_LIB_VERSION(swresample, SWRESAMPLE);
2513 SHOW_LIB_VERSION(postproc, POSTPROC);
2514 writer_print_section_footer(w);
2517 static int opt_format(void *optctx, const char *opt, const char *arg)
2519 iformat = av_find_input_format(arg);
2521 av_log(NULL, AV_LOG_ERROR, "Unknown input format: %s\n", arg);
2522 return AVERROR(EINVAL);
2527 static inline void mark_section_show_entries(SectionID section_id,
2528 int show_all_entries, AVDictionary *entries)
2530 struct section *section = §ions[section_id];
2532 section->show_all_entries = show_all_entries;
2533 if (show_all_entries) {
2535 for (id = section->children_ids; *id != -1; id++)
2536 mark_section_show_entries(*id, show_all_entries, entries);
2538 av_dict_copy(§ion->entries_to_show, entries, 0);
2542 static int match_section(const char *section_name,
2543 int show_all_entries, AVDictionary *entries)
2547 for (i = 0; i < FF_ARRAY_ELEMS(sections); i++) {
2548 const struct section *section = §ions[i];
2549 if (!strcmp(section_name, section->name) ||
2550 (section->unique_name && !strcmp(section_name, section->unique_name))) {
2551 av_log(NULL, AV_LOG_DEBUG,
2552 "'%s' matches section with unique name '%s'\n", section_name,
2553 (char *)av_x_if_null(section->unique_name, section->name));
2555 mark_section_show_entries(section->id, show_all_entries, entries);
2561 static int opt_show_entries(void *optctx, const char *opt, const char *arg)
2563 const char *p = arg;
2567 AVDictionary *entries = NULL;
2568 char *section_name = av_get_token(&p, "=:");
2569 int show_all_entries = 0;
2571 if (!section_name) {
2572 av_log(NULL, AV_LOG_ERROR,
2573 "Missing section name for option '%s'\n", opt);
2574 return AVERROR(EINVAL);
2579 while (*p && *p != ':') {
2580 char *entry = av_get_token(&p, ",:");
2583 av_log(NULL, AV_LOG_VERBOSE,
2584 "Adding '%s' to the entries to show in section '%s'\n",
2585 entry, section_name);
2586 av_dict_set(&entries, entry, "", AV_DICT_DONT_STRDUP_KEY);
2591 show_all_entries = 1;
2594 ret = match_section(section_name, show_all_entries, entries);
2596 av_log(NULL, AV_LOG_ERROR, "No match for section '%s'\n", section_name);
2597 ret = AVERROR(EINVAL);
2599 av_dict_free(&entries);
2600 av_free(section_name);
2611 static int opt_show_format_entry(void *optctx, const char *opt, const char *arg)
2613 char *buf = av_asprintf("format=%s", arg);
2616 av_log(NULL, AV_LOG_WARNING,
2617 "Option '%s' is deprecated, use '-show_entries format=%s' instead\n",
2619 ret = opt_show_entries(optctx, opt, buf);
2624 static void opt_input_file(void *optctx, const char *arg)
2626 if (input_filename) {
2627 av_log(NULL, AV_LOG_ERROR,
2628 "Argument '%s' provided as input filename, but '%s' was already specified.\n",
2629 arg, input_filename);
2632 if (!strcmp(arg, "-"))
2634 input_filename = arg;
2637 static int opt_input_file_i(void *optctx, const char *opt, const char *arg)
2639 opt_input_file(optctx, arg);
2643 void show_help_default(const char *opt, const char *arg)
2645 av_log_set_callback(log_callback_help);
2647 show_help_options(options, "Main options:", 0, 0, 0);
2650 show_help_children(avformat_get_class(), AV_OPT_FLAG_DECODING_PARAM);
2654 * Parse interval specification, according to the format:
2655 * INTERVAL ::= [START|+START_OFFSET][%[END|+END_OFFSET]]
2656 * INTERVALS ::= INTERVAL[,INTERVALS]
2658 static int parse_read_interval(const char *interval_spec,
2659 ReadInterval *interval)
2662 char *next, *p, *spec = av_strdup(interval_spec);
2664 return AVERROR(ENOMEM);
2667 av_log(NULL, AV_LOG_ERROR, "Invalid empty interval specification\n");
2668 ret = AVERROR(EINVAL);
2673 next = strchr(spec, '%');
2677 /* parse first part */
2679 interval->has_start = 1;
2682 interval->start_is_offset = 1;
2685 interval->start_is_offset = 0;
2688 ret = av_parse_time(&interval->start, p, 1);
2690 av_log(NULL, AV_LOG_ERROR, "Invalid interval start specification '%s'\n", p);
2694 interval->has_start = 0;
2697 /* parse second part */
2701 interval->has_end = 1;
2704 interval->end_is_offset = 1;
2707 interval->end_is_offset = 0;
2710 if (interval->end_is_offset && *p == '#') {
2713 interval->duration_frames = 1;
2715 lli = strtoll(p, &tail, 10);
2716 if (*tail || lli < 0) {
2717 av_log(NULL, AV_LOG_ERROR,
2718 "Invalid or negative value '%s' for duration number of frames\n", p);
2721 interval->end = lli;
2723 ret = av_parse_time(&us, p, 1);
2725 av_log(NULL, AV_LOG_ERROR, "Invalid interval end/duration specification '%s'\n", p);
2731 interval->has_end = 0;
2739 static int parse_read_intervals(const char *intervals_spec)
2742 char *p, *spec = av_strdup(intervals_spec);
2744 return AVERROR(ENOMEM);
2746 /* preparse specification, get number of intervals */
2747 for (n = 0, p = spec; *p; p++)
2752 read_intervals = av_malloc_array(n, sizeof(*read_intervals));
2753 if (!read_intervals) {
2754 ret = AVERROR(ENOMEM);
2757 read_intervals_nb = n;
2759 /* parse intervals */
2761 for (i = 0; p; i++) {
2764 av_assert0(i < read_intervals_nb);
2765 next = strchr(p, ',');
2769 read_intervals[i].id = i;
2770 ret = parse_read_interval(p, &read_intervals[i]);
2772 av_log(NULL, AV_LOG_ERROR, "Error parsing read interval #%d '%s'\n",
2776 av_log(NULL, AV_LOG_VERBOSE, "Parsed log interval ");
2777 log_read_interval(&read_intervals[i], NULL, AV_LOG_VERBOSE);
2780 av_assert0(i == read_intervals_nb);
2787 static int opt_read_intervals(void *optctx, const char *opt, const char *arg)
2789 return parse_read_intervals(arg);
2792 static int opt_pretty(void *optctx, const char *opt, const char *arg)
2794 show_value_unit = 1;
2795 use_value_prefix = 1;
2796 use_byte_value_binary_prefix = 1;
2797 use_value_sexagesimal_format = 1;
2801 static void print_section(SectionID id, int level)
2803 const SectionID *pid;
2804 const struct section *section = §ions[id];
2806 section->flags & SECTION_FLAG_IS_WRAPPER ? 'W' : '.',
2807 section->flags & SECTION_FLAG_IS_ARRAY ? 'A' : '.',
2808 section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS ? 'V' : '.');
2809 printf("%*c %s", level * 4, ' ', section->name);
2810 if (section->unique_name)
2811 printf("/%s", section->unique_name);
2814 for (pid = section->children_ids; *pid != -1; pid++)
2815 print_section(*pid, level+1);
2818 static int opt_sections(void *optctx, const char *opt, const char *arg)
2820 printf("Sections:\n"
2821 "W.. = Section is a wrapper (contains other sections, no local entries)\n"
2822 ".A. = Section contains an array of elements of the same type\n"
2823 "..V = Section may contain a variable number of fields with variable keys\n"
2824 "FLAGS NAME/UNIQUE_NAME\n"
2826 print_section(SECTION_ID_ROOT, 0);
2830 static int opt_show_versions(const char *opt, const char *arg)
2832 mark_section_show_entries(SECTION_ID_PROGRAM_VERSION, 1, NULL);
2833 mark_section_show_entries(SECTION_ID_LIBRARY_VERSION, 1, NULL);
2837 #define DEFINE_OPT_SHOW_SECTION(section, target_section_id) \
2838 static int opt_show_##section(const char *opt, const char *arg) \
2840 mark_section_show_entries(SECTION_ID_##target_section_id, 1, NULL); \
2844 DEFINE_OPT_SHOW_SECTION(chapters, CHAPTERS);
2845 DEFINE_OPT_SHOW_SECTION(error, ERROR);
2846 DEFINE_OPT_SHOW_SECTION(format, FORMAT);
2847 DEFINE_OPT_SHOW_SECTION(frames, FRAMES);
2848 DEFINE_OPT_SHOW_SECTION(library_versions, LIBRARY_VERSIONS);
2849 DEFINE_OPT_SHOW_SECTION(packets, PACKETS);
2850 DEFINE_OPT_SHOW_SECTION(program_version, PROGRAM_VERSION);
2851 DEFINE_OPT_SHOW_SECTION(streams, STREAMS);
2852 DEFINE_OPT_SHOW_SECTION(programs, PROGRAMS);
2854 static const OptionDef real_options[] = {
2855 #include "cmdutils_common_opts.h"
2856 { "f", HAS_ARG, {.func_arg = opt_format}, "force format", "format" },
2857 { "unit", OPT_BOOL, {&show_value_unit}, "show unit of the displayed values" },
2858 { "prefix", OPT_BOOL, {&use_value_prefix}, "use SI prefixes for the displayed values" },
2859 { "byte_binary_prefix", OPT_BOOL, {&use_byte_value_binary_prefix},
2860 "use binary prefixes for byte units" },
2861 { "sexagesimal", OPT_BOOL, {&use_value_sexagesimal_format},
2862 "use sexagesimal format HOURS:MM:SS.MICROSECONDS for time units" },
2863 { "pretty", 0, {.func_arg = opt_pretty},
2864 "prettify the format of displayed values, make it more human readable" },
2865 { "print_format", OPT_STRING | HAS_ARG, {(void*)&print_format},
2866 "set the output printing format (available formats are: default, compact, csv, flat, ini, json, xml)", "format" },
2867 { "of", OPT_STRING | HAS_ARG, {(void*)&print_format}, "alias for -print_format", "format" },
2868 { "select_streams", OPT_STRING | HAS_ARG, {(void*)&stream_specifier}, "select the specified streams", "stream_specifier" },
2869 { "sections", OPT_EXIT, {.func_arg = opt_sections}, "print sections structure and section information, and exit" },
2870 { "show_data", OPT_BOOL, {(void*)&do_show_data}, "show packets data" },
2871 { "show_error", 0, {(void*)&opt_show_error}, "show probing error" },
2872 { "show_format", 0, {(void*)&opt_show_format}, "show format/container info" },
2873 { "show_frames", 0, {(void*)&opt_show_frames}, "show frames info" },
2874 { "show_format_entry", HAS_ARG, {.func_arg = opt_show_format_entry},
2875 "show a particular entry from the format/container info", "entry" },
2876 { "show_entries", HAS_ARG, {.func_arg = opt_show_entries},
2877 "show a set of specified entries", "entry_list" },
2878 { "show_packets", 0, {(void*)&opt_show_packets}, "show packets info" },
2879 { "show_programs", 0, {(void*)&opt_show_programs}, "show programs info" },
2880 { "show_streams", 0, {(void*)&opt_show_streams}, "show streams info" },
2881 { "show_chapters", 0, {(void*)&opt_show_chapters}, "show chapters info" },
2882 { "count_frames", OPT_BOOL, {(void*)&do_count_frames}, "count the number of frames per stream" },
2883 { "count_packets", OPT_BOOL, {(void*)&do_count_packets}, "count the number of packets per stream" },
2884 { "show_program_version", 0, {(void*)&opt_show_program_version}, "show ffprobe version" },
2885 { "show_library_versions", 0, {(void*)&opt_show_library_versions}, "show library versions" },
2886 { "show_versions", 0, {(void*)&opt_show_versions}, "show program and library versions" },
2887 { "show_private_data", OPT_BOOL, {(void*)&show_private_data}, "show private data" },
2888 { "private", OPT_BOOL, {(void*)&show_private_data}, "same as show_private_data" },
2889 { "bitexact", OPT_BOOL, {&do_bitexact}, "force bitexact output" },
2890 { "read_intervals", HAS_ARG, {.func_arg = opt_read_intervals}, "set read intervals", "read_intervals" },
2891 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {.func_arg = opt_default}, "generic catch all option", "" },
2892 { "i", HAS_ARG, {.func_arg = opt_input_file_i}, "read specified file", "input_file"},
2896 static inline int check_section_show_entries(int section_id)
2899 struct section *section = §ions[section_id];
2900 if (sections[section_id].show_all_entries || sections[section_id].entries_to_show)
2902 for (id = section->children_ids; *id != -1; id++)
2903 if (check_section_show_entries(*id))
2908 #define SET_DO_SHOW(id, varname) do { \
2909 if (check_section_show_entries(SECTION_ID_##id)) \
2910 do_show_##varname = 1; \
2913 int main(int argc, char **argv)
2916 WriterContext *wctx;
2918 char *w_name = NULL, *w_args = NULL;
2921 av_log_set_flags(AV_LOG_SKIP_REPEATED);
2922 register_exit(ffprobe_cleanup);
2924 options = real_options;
2925 parse_loglevel(argc, argv, options);
2927 avformat_network_init();
2930 avdevice_register_all();
2933 show_banner(argc, argv, options);
2934 parse_options(NULL, argc, argv, options, opt_input_file);
2936 /* mark things to show, based on -show_entries */
2937 SET_DO_SHOW(CHAPTERS, chapters);
2938 SET_DO_SHOW(ERROR, error);
2939 SET_DO_SHOW(FORMAT, format);
2940 SET_DO_SHOW(FRAMES, frames);
2941 SET_DO_SHOW(LIBRARY_VERSIONS, library_versions);
2942 SET_DO_SHOW(PACKETS, packets);
2943 SET_DO_SHOW(PROGRAM_VERSION, program_version);
2944 SET_DO_SHOW(PROGRAMS, programs);
2945 SET_DO_SHOW(STREAMS, streams);
2946 SET_DO_SHOW(STREAM_DISPOSITION, stream_disposition);
2947 SET_DO_SHOW(PROGRAM_STREAM_DISPOSITION, stream_disposition);
2949 SET_DO_SHOW(CHAPTER_TAGS, chapter_tags);
2950 SET_DO_SHOW(FORMAT_TAGS, format_tags);
2951 SET_DO_SHOW(FRAME_TAGS, frame_tags);
2952 SET_DO_SHOW(PROGRAM_TAGS, program_tags);
2953 SET_DO_SHOW(STREAM_TAGS, stream_tags);
2955 if (do_bitexact && (do_show_program_version || do_show_library_versions)) {
2956 av_log(NULL, AV_LOG_ERROR,
2957 "-bitexact and -show_program_version or -show_library_versions "
2958 "options are incompatible\n");
2959 ret = AVERROR(EINVAL);
2963 writer_register_all();
2966 print_format = av_strdup("default");
2967 if (!print_format) {
2968 ret = AVERROR(ENOMEM);
2971 w_name = av_strtok(print_format, "=", &buf);
2974 w = writer_get_by_name(w_name);
2976 av_log(NULL, AV_LOG_ERROR, "Unknown output format with name '%s'\n", w_name);
2977 ret = AVERROR(EINVAL);
2981 if ((ret = writer_open(&wctx, w, w_args,
2982 sections, FF_ARRAY_ELEMS(sections))) >= 0) {
2983 if (w == &xml_writer)
2984 wctx->string_validation_utf8_flags |= AV_UTF8_FLAG_EXCLUDE_XML_INVALID_CONTROL_CODES;
2986 writer_print_section_header(wctx, SECTION_ID_ROOT);
2988 if (do_show_program_version)
2989 ffprobe_show_program_version(wctx);
2990 if (do_show_library_versions)
2991 ffprobe_show_library_versions(wctx);
2993 if (!input_filename &&
2994 ((do_show_format || do_show_programs || do_show_streams || do_show_chapters || do_show_packets || do_show_error) ||
2995 (!do_show_program_version && !do_show_library_versions))) {
2997 av_log(NULL, AV_LOG_ERROR, "You have to specify one input file.\n");
2998 av_log(NULL, AV_LOG_ERROR, "Use -h to get full help or, even better, run 'man %s'.\n", program_name);
2999 ret = AVERROR(EINVAL);
3000 } else if (input_filename) {
3001 ret = probe_file(wctx, input_filename);
3002 if (ret < 0 && do_show_error)
3003 show_error(wctx, ret);
3006 writer_print_section_footer(wctx);
3007 writer_close(&wctx);
3011 av_freep(&print_format);
3012 av_freep(&read_intervals);
3015 for (i = 0; i < FF_ARRAY_ELEMS(sections); i++)
3016 av_dict_free(&(sections[i].entries_to_show));
3018 avformat_network_deinit();