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/hash.h"
37 #include "libavutil/opt.h"
38 #include "libavutil/pixdesc.h"
39 #include "libavutil/dict.h"
40 #include "libavutil/libm.h"
41 #include "libavutil/parseutils.h"
42 #include "libavutil/timecode.h"
43 #include "libavutil/timestamp.h"
44 #include "libavdevice/avdevice.h"
45 #include "libswscale/swscale.h"
46 #include "libswresample/swresample.h"
47 #include "libpostproc/postprocess.h"
50 const char program_name[] = "ffprobe";
51 const int program_birth_year = 2007;
53 static int do_bitexact = 0;
54 static int do_count_frames = 0;
55 static int do_count_packets = 0;
56 static int do_read_frames = 0;
57 static int do_read_packets = 0;
58 static int do_show_chapters = 0;
59 static int do_show_error = 0;
60 static int do_show_format = 0;
61 static int do_show_frames = 0;
62 static int do_show_packets = 0;
63 static int do_show_programs = 0;
64 static int do_show_streams = 0;
65 static int do_show_stream_disposition = 0;
66 static int do_show_data = 0;
67 static int do_show_program_version = 0;
68 static int do_show_library_versions = 0;
70 static int do_show_chapter_tags = 0;
71 static int do_show_format_tags = 0;
72 static int do_show_frame_tags = 0;
73 static int do_show_program_tags = 0;
74 static int do_show_stream_tags = 0;
76 static int show_value_unit = 0;
77 static int use_value_prefix = 0;
78 static int use_byte_value_binary_prefix = 0;
79 static int use_value_sexagesimal_format = 0;
80 static int show_private_data = 1;
82 static char *print_format;
83 static char *stream_specifier;
84 static char *show_data_hash;
87 int id; ///< identifier
88 int64_t start, end; ///< start, end in second/AV_TIME_BASE units
89 int has_start, has_end;
90 int start_is_offset, end_is_offset;
94 static ReadInterval *read_intervals;
95 static int read_intervals_nb = 0;
97 /* section structure definition */
99 #define SECTION_MAX_NB_CHILDREN 10
102 int id; ///< unique id identifying a section
105 #define SECTION_FLAG_IS_WRAPPER 1 ///< the section only contains other sections, but has no data at its own level
106 #define SECTION_FLAG_IS_ARRAY 2 ///< the section contains an array of elements of the same type
107 #define SECTION_FLAG_HAS_VARIABLE_FIELDS 4 ///< the section may contain a variable number of fields with variable keys.
108 /// For these sections the element_name field is mandatory.
110 int children_ids[SECTION_MAX_NB_CHILDREN+1]; ///< list of children section IDS, terminated by -1
111 const char *element_name; ///< name of the contained element, if provided
112 const char *unique_name; ///< unique section name, in case the name is ambiguous
113 AVDictionary *entries_to_show;
114 int show_all_entries;
118 SECTION_ID_NONE = -1,
120 SECTION_ID_CHAPTER_TAGS,
124 SECTION_ID_FORMAT_TAGS,
127 SECTION_ID_FRAME_TAGS,
128 SECTION_ID_FRAME_SIDE_DATA_LIST,
129 SECTION_ID_FRAME_SIDE_DATA,
130 SECTION_ID_LIBRARY_VERSION,
131 SECTION_ID_LIBRARY_VERSIONS,
134 SECTION_ID_PACKETS_AND_FRAMES,
135 SECTION_ID_PROGRAM_STREAM_DISPOSITION,
136 SECTION_ID_PROGRAM_STREAM_TAGS,
138 SECTION_ID_PROGRAM_STREAMS,
139 SECTION_ID_PROGRAM_STREAM,
140 SECTION_ID_PROGRAM_TAGS,
141 SECTION_ID_PROGRAM_VERSION,
145 SECTION_ID_STREAM_DISPOSITION,
147 SECTION_ID_STREAM_TAGS,
151 static struct section sections[] = {
152 [SECTION_ID_CHAPTERS] = { SECTION_ID_CHAPTERS, "chapters", SECTION_FLAG_IS_ARRAY, { SECTION_ID_CHAPTER, -1 } },
153 [SECTION_ID_CHAPTER] = { SECTION_ID_CHAPTER, "chapter", 0, { SECTION_ID_CHAPTER_TAGS, -1 } },
154 [SECTION_ID_CHAPTER_TAGS] = { SECTION_ID_CHAPTER_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "chapter_tags" },
155 [SECTION_ID_ERROR] = { SECTION_ID_ERROR, "error", 0, { -1 } },
156 [SECTION_ID_FORMAT] = { SECTION_ID_FORMAT, "format", 0, { SECTION_ID_FORMAT_TAGS, -1 } },
157 [SECTION_ID_FORMAT_TAGS] = { SECTION_ID_FORMAT_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "format_tags" },
158 [SECTION_ID_FRAMES] = { SECTION_ID_FRAMES, "frames", SECTION_FLAG_IS_ARRAY, { SECTION_ID_FRAME, SECTION_ID_SUBTITLE, -1 } },
159 [SECTION_ID_FRAME] = { SECTION_ID_FRAME, "frame", 0, { SECTION_ID_FRAME_TAGS, SECTION_ID_FRAME_SIDE_DATA_LIST, -1 } },
160 [SECTION_ID_FRAME_TAGS] = { SECTION_ID_FRAME_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "frame_tags" },
161 [SECTION_ID_FRAME_SIDE_DATA_LIST] ={ SECTION_ID_FRAME_SIDE_DATA_LIST, "side_data_list", SECTION_FLAG_IS_ARRAY, { SECTION_ID_FRAME_SIDE_DATA, -1 } },
162 [SECTION_ID_FRAME_SIDE_DATA] = { SECTION_ID_FRAME_SIDE_DATA, "side_data", 0, { -1 } },
163 [SECTION_ID_LIBRARY_VERSIONS] = { SECTION_ID_LIBRARY_VERSIONS, "library_versions", SECTION_FLAG_IS_ARRAY, { SECTION_ID_LIBRARY_VERSION, -1 } },
164 [SECTION_ID_LIBRARY_VERSION] = { SECTION_ID_LIBRARY_VERSION, "library_version", 0, { -1 } },
165 [SECTION_ID_PACKETS] = { SECTION_ID_PACKETS, "packets", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PACKET, -1} },
166 [SECTION_ID_PACKETS_AND_FRAMES] = { SECTION_ID_PACKETS_AND_FRAMES, "packets_and_frames", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PACKET, -1} },
167 [SECTION_ID_PACKET] = { SECTION_ID_PACKET, "packet", 0, { -1 } },
168 [SECTION_ID_PROGRAM_STREAM_DISPOSITION] = { SECTION_ID_PROGRAM_STREAM_DISPOSITION, "disposition", 0, { -1 }, .unique_name = "program_stream_disposition" },
169 [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" },
170 [SECTION_ID_PROGRAM] = { SECTION_ID_PROGRAM, "program", 0, { SECTION_ID_PROGRAM_TAGS, SECTION_ID_PROGRAM_STREAMS, -1 } },
171 [SECTION_ID_PROGRAM_STREAMS] = { SECTION_ID_PROGRAM_STREAMS, "streams", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PROGRAM_STREAM, -1 }, .unique_name = "program_streams" },
172 [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" },
173 [SECTION_ID_PROGRAM_TAGS] = { SECTION_ID_PROGRAM_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "program_tags" },
174 [SECTION_ID_PROGRAM_VERSION] = { SECTION_ID_PROGRAM_VERSION, "program_version", 0, { -1 } },
175 [SECTION_ID_PROGRAMS] = { SECTION_ID_PROGRAMS, "programs", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PROGRAM, -1 } },
176 [SECTION_ID_ROOT] = { SECTION_ID_ROOT, "root", SECTION_FLAG_IS_WRAPPER,
177 { SECTION_ID_CHAPTERS, SECTION_ID_FORMAT, SECTION_ID_FRAMES, SECTION_ID_PROGRAMS, SECTION_ID_STREAMS,
178 SECTION_ID_PACKETS, SECTION_ID_ERROR, SECTION_ID_PROGRAM_VERSION, SECTION_ID_LIBRARY_VERSIONS, -1} },
179 [SECTION_ID_STREAMS] = { SECTION_ID_STREAMS, "streams", SECTION_FLAG_IS_ARRAY, { SECTION_ID_STREAM, -1 } },
180 [SECTION_ID_STREAM] = { SECTION_ID_STREAM, "stream", 0, { SECTION_ID_STREAM_DISPOSITION, SECTION_ID_STREAM_TAGS, -1 } },
181 [SECTION_ID_STREAM_DISPOSITION] = { SECTION_ID_STREAM_DISPOSITION, "disposition", 0, { -1 }, .unique_name = "stream_disposition" },
182 [SECTION_ID_STREAM_TAGS] = { SECTION_ID_STREAM_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "stream_tags" },
183 [SECTION_ID_SUBTITLE] = { SECTION_ID_SUBTITLE, "subtitle", 0, { -1 } },
186 static const OptionDef *options;
188 /* FFprobe context */
189 static const char *input_filename;
190 static AVInputFormat *iformat = NULL;
192 static struct AVHashContext *hash;
194 static const char *const binary_unit_prefixes [] = { "", "Ki", "Mi", "Gi", "Ti", "Pi" };
195 static const char *const decimal_unit_prefixes[] = { "", "K" , "M" , "G" , "T" , "P" };
197 static const char unit_second_str[] = "s" ;
198 static const char unit_hertz_str[] = "Hz" ;
199 static const char unit_byte_str[] = "byte" ;
200 static const char unit_bit_per_second_str[] = "bit/s";
202 static int nb_streams;
203 static uint64_t *nb_streams_packets;
204 static uint64_t *nb_streams_frames;
205 static int *selected_streams;
207 static void ffprobe_cleanup(int ret)
210 for (i = 0; i < FF_ARRAY_ELEMS(sections); i++)
211 av_dict_free(&(sections[i].entries_to_show));
215 union { double d; long long int i; } val;
219 static char *value_string(char *buf, int buf_size, struct unit_value uv)
225 if (uv.unit == unit_second_str) {
229 vald = vali = uv.val.i;
232 if (uv.unit == unit_second_str && use_value_sexagesimal_format) {
236 mins = (int)secs / 60;
237 secs = secs - mins * 60;
240 snprintf(buf, buf_size, "%d:%02d:%09.6f", hours, mins, secs);
242 const char *prefix_string = "";
244 if (use_value_prefix && vald > 1) {
247 if (uv.unit == unit_byte_str && use_byte_value_binary_prefix) {
248 index = (long long int) (log2(vald)) / 10;
249 index = av_clip(index, 0, FF_ARRAY_ELEMS(binary_unit_prefixes) - 1);
250 vald /= exp2(index * 10);
251 prefix_string = binary_unit_prefixes[index];
253 index = (long long int) (log10(vald)) / 3;
254 index = av_clip(index, 0, FF_ARRAY_ELEMS(decimal_unit_prefixes) - 1);
255 vald /= pow(10, index * 3);
256 prefix_string = decimal_unit_prefixes[index];
261 if (show_float || (use_value_prefix && vald != (long long int)vald))
262 snprintf(buf, buf_size, "%f", vald);
264 snprintf(buf, buf_size, "%lld", vali);
265 av_strlcatf(buf, buf_size, "%s%s%s", *prefix_string || show_value_unit ? " " : "",
266 prefix_string, show_value_unit ? uv.unit : "");
274 typedef struct WriterContext WriterContext;
276 #define WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS 1
277 #define WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER 2
280 WRITER_STRING_VALIDATION_FAIL,
281 WRITER_STRING_VALIDATION_REPLACE,
282 WRITER_STRING_VALIDATION_IGNORE,
283 WRITER_STRING_VALIDATION_NB
286 typedef struct Writer {
287 const AVClass *priv_class; ///< private class of the writer, if any
288 int priv_size; ///< private size for the writer context
291 int (*init) (WriterContext *wctx);
292 void (*uninit)(WriterContext *wctx);
294 void (*print_section_header)(WriterContext *wctx);
295 void (*print_section_footer)(WriterContext *wctx);
296 void (*print_integer) (WriterContext *wctx, const char *, long long int);
297 void (*print_rational) (WriterContext *wctx, AVRational *q, char *sep);
298 void (*print_string) (WriterContext *wctx, const char *, const char *);
299 int flags; ///< a combination or WRITER_FLAG_*
302 #define SECTION_MAX_NB_LEVELS 10
304 struct WriterContext {
305 const AVClass *class; ///< class of the writer
306 const Writer *writer; ///< the Writer of which this is an instance
307 char *name; ///< name of this writer instance
308 void *priv; ///< private data for use by the filter
310 const struct section *sections; ///< array containing all sections
311 int nb_sections; ///< number of sections
313 int level; ///< current level, starting from 0
315 /** number of the item printed in the given section, starting from 0 */
316 unsigned int nb_item[SECTION_MAX_NB_LEVELS];
318 /** section per each level */
319 const struct section *section[SECTION_MAX_NB_LEVELS];
320 AVBPrint section_pbuf[SECTION_MAX_NB_LEVELS]; ///< generic print buffer dedicated to each section,
321 /// used by various writers
323 unsigned int nb_section_packet; ///< number of the packet section in case we are in "packets_and_frames" section
324 unsigned int nb_section_frame; ///< number of the frame section in case we are in "packets_and_frames" section
325 unsigned int nb_section_packet_frame; ///< nb_section_packet or nb_section_frame according if is_packets_and_frames
327 StringValidation string_validation;
328 char *string_validation_replacement;
329 unsigned int string_validation_utf8_flags;
332 static const char *writer_get_name(void *p)
334 WriterContext *wctx = p;
335 return wctx->writer->name;
338 #define OFFSET(x) offsetof(WriterContext, x)
340 static const AVOption writer_options[] = {
341 { "string_validation", "set string validation mode",
342 OFFSET(string_validation), AV_OPT_TYPE_INT, {.i64=WRITER_STRING_VALIDATION_REPLACE}, 0, WRITER_STRING_VALIDATION_NB-1, .unit = "sv" },
343 { "sv", "set string validation mode",
344 OFFSET(string_validation), AV_OPT_TYPE_INT, {.i64=WRITER_STRING_VALIDATION_REPLACE}, 0, WRITER_STRING_VALIDATION_NB-1, .unit = "sv" },
345 { "ignore", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = WRITER_STRING_VALIDATION_IGNORE}, .unit = "sv" },
346 { "replace", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = WRITER_STRING_VALIDATION_REPLACE}, .unit = "sv" },
347 { "fail", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = WRITER_STRING_VALIDATION_FAIL}, .unit = "sv" },
348 { "string_validation_replacement", "set string validation replacement string", OFFSET(string_validation_replacement), AV_OPT_TYPE_STRING, {.str=""}},
349 { "svr", "set string validation replacement string", OFFSET(string_validation_replacement), AV_OPT_TYPE_STRING, {.str="\xEF\xBF\xBD"}},
353 static void *writer_child_next(void *obj, void *prev)
355 WriterContext *ctx = obj;
356 if (!prev && ctx->writer && ctx->writer->priv_class && ctx->priv)
361 static const AVClass writer_class = {
362 .class_name = "Writer",
363 .item_name = writer_get_name,
364 .option = writer_options,
365 .version = LIBAVUTIL_VERSION_INT,
366 .child_next = writer_child_next,
369 static void writer_close(WriterContext **wctx)
376 if ((*wctx)->writer->uninit)
377 (*wctx)->writer->uninit(*wctx);
378 for (i = 0; i < SECTION_MAX_NB_LEVELS; i++)
379 av_bprint_finalize(&(*wctx)->section_pbuf[i], NULL);
380 if ((*wctx)->writer->priv_class)
381 av_opt_free((*wctx)->priv);
382 av_freep(&((*wctx)->priv));
387 static void bprint_bytes(AVBPrint *bp, const uint8_t *ubuf, size_t ubuf_size)
390 av_bprintf(bp, "0X");
391 for (i = 0; i < ubuf_size; i++)
392 av_bprintf(bp, "%02X", ubuf[i]);
396 static int writer_open(WriterContext **wctx, const Writer *writer, const char *args,
397 const struct section *sections, int nb_sections)
401 if (!(*wctx = av_mallocz(sizeof(WriterContext)))) {
402 ret = AVERROR(ENOMEM);
406 if (!((*wctx)->priv = av_mallocz(writer->priv_size))) {
407 ret = AVERROR(ENOMEM);
411 (*wctx)->class = &writer_class;
412 (*wctx)->writer = writer;
414 (*wctx)->sections = sections;
415 (*wctx)->nb_sections = nb_sections;
417 av_opt_set_defaults(*wctx);
419 if (writer->priv_class) {
420 void *priv_ctx = (*wctx)->priv;
421 *((const AVClass **)priv_ctx) = writer->priv_class;
422 av_opt_set_defaults(priv_ctx);
425 /* convert options to dictionary */
427 AVDictionary *opts = NULL;
428 AVDictionaryEntry *opt = NULL;
430 if ((ret = av_dict_parse_string(&opts, args, "=", ":", 0)) < 0) {
431 av_log(*wctx, AV_LOG_ERROR, "Failed to parse option string '%s' provided to writer context\n", args);
436 while ((opt = av_dict_get(opts, "", opt, AV_DICT_IGNORE_SUFFIX))) {
437 if ((ret = av_opt_set(*wctx, opt->key, opt->value, AV_OPT_SEARCH_CHILDREN)) < 0) {
438 av_log(*wctx, AV_LOG_ERROR, "Failed to set option '%s' with value '%s' provided to writer context\n",
439 opt->key, opt->value);
448 /* validate replace string */
450 const uint8_t *p = (*wctx)->string_validation_replacement;
451 const uint8_t *endp = p + strlen(p);
453 const uint8_t *p0 = p;
455 ret = av_utf8_decode(&code, &p, endp, (*wctx)->string_validation_utf8_flags);
458 av_bprint_init(&bp, 0, AV_BPRINT_SIZE_AUTOMATIC);
459 bprint_bytes(&bp, p0, p-p0),
460 av_log(wctx, AV_LOG_ERROR,
461 "Invalid UTF8 sequence %s found in string validation replace '%s'\n",
462 bp.str, (*wctx)->string_validation_replacement);
468 for (i = 0; i < SECTION_MAX_NB_LEVELS; i++)
469 av_bprint_init(&(*wctx)->section_pbuf[i], 1, AV_BPRINT_SIZE_UNLIMITED);
471 if ((*wctx)->writer->init)
472 ret = (*wctx)->writer->init(*wctx);
483 static inline void writer_print_section_header(WriterContext *wctx,
486 int parent_section_id;
488 av_assert0(wctx->level < SECTION_MAX_NB_LEVELS);
489 parent_section_id = wctx->level ?
490 (wctx->section[wctx->level-1])->id : SECTION_ID_NONE;
492 wctx->nb_item[wctx->level] = 0;
493 wctx->section[wctx->level] = &wctx->sections[section_id];
495 if (section_id == SECTION_ID_PACKETS_AND_FRAMES) {
496 wctx->nb_section_packet = wctx->nb_section_frame =
497 wctx->nb_section_packet_frame = 0;
498 } else if (parent_section_id == SECTION_ID_PACKETS_AND_FRAMES) {
499 wctx->nb_section_packet_frame = section_id == SECTION_ID_PACKET ?
500 wctx->nb_section_packet : wctx->nb_section_frame;
503 if (wctx->writer->print_section_header)
504 wctx->writer->print_section_header(wctx);
507 static inline void writer_print_section_footer(WriterContext *wctx)
509 int section_id = wctx->section[wctx->level]->id;
510 int parent_section_id = wctx->level ?
511 wctx->section[wctx->level-1]->id : SECTION_ID_NONE;
513 if (parent_section_id != SECTION_ID_NONE)
514 wctx->nb_item[wctx->level-1]++;
515 if (parent_section_id == SECTION_ID_PACKETS_AND_FRAMES) {
516 if (section_id == SECTION_ID_PACKET) wctx->nb_section_packet++;
517 else wctx->nb_section_frame++;
519 if (wctx->writer->print_section_footer)
520 wctx->writer->print_section_footer(wctx);
524 static inline void writer_print_integer(WriterContext *wctx,
525 const char *key, long long int val)
527 const struct section *section = wctx->section[wctx->level];
529 if (section->show_all_entries || av_dict_get(section->entries_to_show, key, NULL, 0)) {
530 wctx->writer->print_integer(wctx, key, val);
531 wctx->nb_item[wctx->level]++;
535 static inline int validate_string(WriterContext *wctx, char **dstp, const char *src)
537 const uint8_t *p, *endp;
539 int invalid_chars_nb = 0, ret = 0;
541 av_bprint_init(&dstbuf, 0, AV_BPRINT_SIZE_UNLIMITED);
543 endp = src + strlen(src);
544 for (p = (uint8_t *)src; *p;) {
547 const uint8_t *p0 = p;
549 if (av_utf8_decode(&code, &p, endp, wctx->string_validation_utf8_flags) < 0) {
551 av_bprint_init(&bp, 0, AV_BPRINT_SIZE_AUTOMATIC);
552 bprint_bytes(&bp, p0, p-p0);
553 av_log(wctx, AV_LOG_DEBUG,
554 "Invalid UTF-8 sequence %s found in string '%s'\n", bp.str, src);
561 switch (wctx->string_validation) {
562 case WRITER_STRING_VALIDATION_FAIL:
563 av_log(wctx, AV_LOG_ERROR,
564 "Invalid UTF-8 sequence found in string '%s'\n", src);
565 ret = AVERROR_INVALIDDATA;
569 case WRITER_STRING_VALIDATION_REPLACE:
570 av_bprintf(&dstbuf, "%s", wctx->string_validation_replacement);
575 if (!invalid || wctx->string_validation == WRITER_STRING_VALIDATION_IGNORE)
576 av_bprint_append_data(&dstbuf, p0, p-p0);
579 if (invalid_chars_nb && wctx->string_validation == WRITER_STRING_VALIDATION_REPLACE) {
580 av_log(wctx, AV_LOG_WARNING,
581 "%d invalid UTF-8 sequence(s) found in string '%s', replaced with '%s'\n",
582 invalid_chars_nb, src, wctx->string_validation_replacement);
586 av_bprint_finalize(&dstbuf, dstp);
590 #define PRINT_STRING_OPT 1
591 #define PRINT_STRING_VALIDATE 2
593 static inline int writer_print_string(WriterContext *wctx,
594 const char *key, const char *val, int flags)
596 const struct section *section = wctx->section[wctx->level];
599 if ((flags & PRINT_STRING_OPT)
600 && !(wctx->writer->flags & WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS))
603 if (section->show_all_entries || av_dict_get(section->entries_to_show, key, NULL, 0)) {
604 if (flags & PRINT_STRING_VALIDATE) {
605 char *key1 = NULL, *val1 = NULL;
606 ret = validate_string(wctx, &key1, key);
607 if (ret < 0) goto end;
608 ret = validate_string(wctx, &val1, val);
609 if (ret < 0) goto end;
610 wctx->writer->print_string(wctx, key1, val1);
613 av_log(wctx, AV_LOG_ERROR,
614 "Invalid key=value string combination %s=%s in section %s\n",
615 key, val, section->unique_name);
620 wctx->writer->print_string(wctx, key, val);
623 wctx->nb_item[wctx->level]++;
629 static inline void writer_print_rational(WriterContext *wctx,
630 const char *key, AVRational q, char sep)
633 av_bprint_init(&buf, 0, AV_BPRINT_SIZE_AUTOMATIC);
634 av_bprintf(&buf, "%d%c%d", q.num, sep, q.den);
635 writer_print_string(wctx, key, buf.str, 0);
638 static void writer_print_time(WriterContext *wctx, const char *key,
639 int64_t ts, const AVRational *time_base, int is_duration)
643 if ((!is_duration && ts == AV_NOPTS_VALUE) || (is_duration && ts == 0)) {
644 writer_print_string(wctx, key, "N/A", PRINT_STRING_OPT);
646 double d = ts * av_q2d(*time_base);
647 struct unit_value uv;
649 uv.unit = unit_second_str;
650 value_string(buf, sizeof(buf), uv);
651 writer_print_string(wctx, key, buf, 0);
655 static void writer_print_ts(WriterContext *wctx, const char *key, int64_t ts, int is_duration)
657 if ((!is_duration && ts == AV_NOPTS_VALUE) || (is_duration && ts == 0)) {
658 writer_print_string(wctx, key, "N/A", PRINT_STRING_OPT);
660 writer_print_integer(wctx, key, ts);
664 static void writer_print_data(WriterContext *wctx, const char *name,
665 uint8_t *data, int size)
668 int offset = 0, l, i;
670 av_bprint_init(&bp, 0, AV_BPRINT_SIZE_UNLIMITED);
671 av_bprintf(&bp, "\n");
673 av_bprintf(&bp, "%08x: ", offset);
675 for (i = 0; i < l; i++) {
676 av_bprintf(&bp, "%02x", data[i]);
678 av_bprintf(&bp, " ");
680 av_bprint_chars(&bp, ' ', 41 - 2 * i - i / 2);
681 for (i = 0; i < l; i++)
682 av_bprint_chars(&bp, data[i] - 32U < 95 ? data[i] : '.', 1);
683 av_bprintf(&bp, "\n");
688 writer_print_string(wctx, name, bp.str, 0);
689 av_bprint_finalize(&bp, NULL);
692 static void writer_print_data_hash(WriterContext *wctx, const char *name,
693 uint8_t *data, int size)
695 char *p, buf[AV_HASH_MAX_SIZE * 2 + 64] = { 0 };
700 av_hash_update(hash, data, size);
701 snprintf(buf, sizeof(buf), "%s:", av_hash_get_name(hash));
702 p = buf + strlen(buf);
703 av_hash_final_hex(hash, p, buf + sizeof(buf) - p);
704 writer_print_string(wctx, name, buf, 0);
707 #define MAX_REGISTERED_WRITERS_NB 64
709 static const Writer *registered_writers[MAX_REGISTERED_WRITERS_NB + 1];
711 static int writer_register(const Writer *writer)
713 static int next_registered_writer_idx = 0;
715 if (next_registered_writer_idx == MAX_REGISTERED_WRITERS_NB)
716 return AVERROR(ENOMEM);
718 registered_writers[next_registered_writer_idx++] = writer;
722 static const Writer *writer_get_by_name(const char *name)
726 for (i = 0; registered_writers[i]; i++)
727 if (!strcmp(registered_writers[i]->name, name))
728 return registered_writers[i];
736 #define DEFINE_WRITER_CLASS(name) \
737 static const char *name##_get_name(void *ctx) \
741 static const AVClass name##_class = { \
742 .class_name = #name, \
743 .item_name = name##_get_name, \
744 .option = name##_options \
749 typedef struct DefaultContext {
750 const AVClass *class;
752 int noprint_wrappers;
753 int nested_section[SECTION_MAX_NB_LEVELS];
757 #define OFFSET(x) offsetof(DefaultContext, x)
759 static const AVOption default_options[] = {
760 { "noprint_wrappers", "do not print headers and footers", OFFSET(noprint_wrappers), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
761 { "nw", "do not print headers and footers", OFFSET(noprint_wrappers), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
762 { "nokey", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
763 { "nk", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
767 DEFINE_WRITER_CLASS(default);
769 /* lame uppercasing routine, assumes the string is lower case ASCII */
770 static inline char *upcase_string(char *dst, size_t dst_size, const char *src)
773 for (i = 0; src[i] && i < dst_size-1; i++)
774 dst[i] = av_toupper(src[i]);
779 static void default_print_section_header(WriterContext *wctx)
781 DefaultContext *def = wctx->priv;
783 const struct section *section = wctx->section[wctx->level];
784 const struct section *parent_section = wctx->level ?
785 wctx->section[wctx->level-1] : NULL;
787 av_bprint_clear(&wctx->section_pbuf[wctx->level]);
788 if (parent_section &&
789 !(parent_section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY))) {
790 def->nested_section[wctx->level] = 1;
791 av_bprintf(&wctx->section_pbuf[wctx->level], "%s%s:",
792 wctx->section_pbuf[wctx->level-1].str,
793 upcase_string(buf, sizeof(buf),
794 av_x_if_null(section->element_name, section->name)));
797 if (def->noprint_wrappers || def->nested_section[wctx->level])
800 if (!(section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY)))
801 printf("[%s]\n", upcase_string(buf, sizeof(buf), section->name));
804 static void default_print_section_footer(WriterContext *wctx)
806 DefaultContext *def = wctx->priv;
807 const struct section *section = wctx->section[wctx->level];
810 if (def->noprint_wrappers || def->nested_section[wctx->level])
813 if (!(section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY)))
814 printf("[/%s]\n", upcase_string(buf, sizeof(buf), section->name));
817 static void default_print_str(WriterContext *wctx, const char *key, const char *value)
819 DefaultContext *def = wctx->priv;
822 printf("%s%s=", wctx->section_pbuf[wctx->level].str, key);
823 printf("%s\n", value);
826 static void default_print_int(WriterContext *wctx, const char *key, long long int value)
828 DefaultContext *def = wctx->priv;
831 printf("%s%s=", wctx->section_pbuf[wctx->level].str, key);
832 printf("%lld\n", value);
835 static const Writer default_writer = {
837 .priv_size = sizeof(DefaultContext),
838 .print_section_header = default_print_section_header,
839 .print_section_footer = default_print_section_footer,
840 .print_integer = default_print_int,
841 .print_string = default_print_str,
842 .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS,
843 .priv_class = &default_class,
849 * Apply C-language-like string escaping.
851 static const char *c_escape_str(AVBPrint *dst, const char *src, const char sep, void *log_ctx)
855 for (p = src; *p; p++) {
857 case '\b': av_bprintf(dst, "%s", "\\b"); break;
858 case '\f': av_bprintf(dst, "%s", "\\f"); break;
859 case '\n': av_bprintf(dst, "%s", "\\n"); break;
860 case '\r': av_bprintf(dst, "%s", "\\r"); break;
861 case '\\': av_bprintf(dst, "%s", "\\\\"); break;
864 av_bprint_chars(dst, '\\', 1);
865 av_bprint_chars(dst, *p, 1);
872 * Quote fields containing special characters, check RFC4180.
874 static const char *csv_escape_str(AVBPrint *dst, const char *src, const char sep, void *log_ctx)
876 char meta_chars[] = { sep, '"', '\n', '\r', '\0' };
877 int needs_quoting = !!src[strcspn(src, meta_chars)];
880 av_bprint_chars(dst, '"', 1);
882 for (; *src; src++) {
884 av_bprint_chars(dst, '"', 1);
885 av_bprint_chars(dst, *src, 1);
888 av_bprint_chars(dst, '"', 1);
892 static const char *none_escape_str(AVBPrint *dst, const char *src, const char sep, void *log_ctx)
897 typedef struct CompactContext {
898 const AVClass *class;
903 char *escape_mode_str;
904 const char * (*escape_str)(AVBPrint *dst, const char *src, const char sep, void *log_ctx);
905 int nested_section[SECTION_MAX_NB_LEVELS];
906 int has_nested_elems[SECTION_MAX_NB_LEVELS];
907 int terminate_line[SECTION_MAX_NB_LEVELS];
911 #define OFFSET(x) offsetof(CompactContext, x)
913 static const AVOption compact_options[]= {
914 {"item_sep", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str="|"}, CHAR_MIN, CHAR_MAX },
915 {"s", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str="|"}, CHAR_MIN, CHAR_MAX },
916 {"nokey", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
917 {"nk", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
918 {"escape", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="c"}, CHAR_MIN, CHAR_MAX },
919 {"e", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="c"}, CHAR_MIN, CHAR_MAX },
920 {"print_section", "print section name", OFFSET(print_section), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
921 {"p", "print section name", OFFSET(print_section), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
925 DEFINE_WRITER_CLASS(compact);
927 static av_cold int compact_init(WriterContext *wctx)
929 CompactContext *compact = wctx->priv;
931 if (strlen(compact->item_sep_str) != 1) {
932 av_log(wctx, AV_LOG_ERROR, "Item separator '%s' specified, but must contain a single character\n",
933 compact->item_sep_str);
934 return AVERROR(EINVAL);
936 compact->item_sep = compact->item_sep_str[0];
938 if (!strcmp(compact->escape_mode_str, "none")) compact->escape_str = none_escape_str;
939 else if (!strcmp(compact->escape_mode_str, "c" )) compact->escape_str = c_escape_str;
940 else if (!strcmp(compact->escape_mode_str, "csv" )) compact->escape_str = csv_escape_str;
942 av_log(wctx, AV_LOG_ERROR, "Unknown escape mode '%s'\n", compact->escape_mode_str);
943 return AVERROR(EINVAL);
949 static void compact_print_section_header(WriterContext *wctx)
951 CompactContext *compact = wctx->priv;
952 const struct section *section = wctx->section[wctx->level];
953 const struct section *parent_section = wctx->level ?
954 wctx->section[wctx->level-1] : NULL;
955 compact->terminate_line[wctx->level] = 1;
956 compact->has_nested_elems[wctx->level] = 0;
958 av_bprint_clear(&wctx->section_pbuf[wctx->level]);
959 if (!(section->flags & SECTION_FLAG_IS_ARRAY) && parent_section &&
960 !(parent_section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY))) {
961 compact->nested_section[wctx->level] = 1;
962 compact->has_nested_elems[wctx->level-1] = 1;
963 av_bprintf(&wctx->section_pbuf[wctx->level], "%s%s:",
964 wctx->section_pbuf[wctx->level-1].str,
965 (char *)av_x_if_null(section->element_name, section->name));
966 wctx->nb_item[wctx->level] = wctx->nb_item[wctx->level-1];
968 if (parent_section && compact->has_nested_elems[wctx->level-1] &&
969 (section->flags & SECTION_FLAG_IS_ARRAY)) {
970 compact->terminate_line[wctx->level-1] = 0;
973 if (compact->print_section &&
974 !(section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY)))
975 printf("%s%c", section->name, compact->item_sep);
979 static void compact_print_section_footer(WriterContext *wctx)
981 CompactContext *compact = wctx->priv;
983 if (!compact->nested_section[wctx->level] &&
984 compact->terminate_line[wctx->level] &&
985 !(wctx->section[wctx->level]->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY)))
989 static void compact_print_str(WriterContext *wctx, const char *key, const char *value)
991 CompactContext *compact = wctx->priv;
994 if (wctx->nb_item[wctx->level]) printf("%c", compact->item_sep);
996 printf("%s%s=", wctx->section_pbuf[wctx->level].str, key);
997 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
998 printf("%s", compact->escape_str(&buf, value, compact->item_sep, wctx));
999 av_bprint_finalize(&buf, NULL);
1002 static void compact_print_int(WriterContext *wctx, const char *key, long long int value)
1004 CompactContext *compact = wctx->priv;
1006 if (wctx->nb_item[wctx->level]) printf("%c", compact->item_sep);
1007 if (!compact->nokey)
1008 printf("%s%s=", wctx->section_pbuf[wctx->level].str, key);
1009 printf("%lld", value);
1012 static const Writer compact_writer = {
1014 .priv_size = sizeof(CompactContext),
1015 .init = compact_init,
1016 .print_section_header = compact_print_section_header,
1017 .print_section_footer = compact_print_section_footer,
1018 .print_integer = compact_print_int,
1019 .print_string = compact_print_str,
1020 .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS,
1021 .priv_class = &compact_class,
1027 #define OFFSET(x) offsetof(CompactContext, x)
1029 static const AVOption csv_options[] = {
1030 {"item_sep", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str=","}, CHAR_MIN, CHAR_MAX },
1031 {"s", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str=","}, CHAR_MIN, CHAR_MAX },
1032 {"nokey", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
1033 {"nk", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
1034 {"escape", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="csv"}, CHAR_MIN, CHAR_MAX },
1035 {"e", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="csv"}, CHAR_MIN, CHAR_MAX },
1036 {"print_section", "print section name", OFFSET(print_section), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
1037 {"p", "print section name", OFFSET(print_section), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
1041 DEFINE_WRITER_CLASS(csv);
1043 static const Writer csv_writer = {
1045 .priv_size = sizeof(CompactContext),
1046 .init = compact_init,
1047 .print_section_header = compact_print_section_header,
1048 .print_section_footer = compact_print_section_footer,
1049 .print_integer = compact_print_int,
1050 .print_string = compact_print_str,
1051 .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS,
1052 .priv_class = &csv_class,
1057 typedef struct FlatContext {
1058 const AVClass *class;
1059 const char *sep_str;
1065 #define OFFSET(x) offsetof(FlatContext, x)
1067 static const AVOption flat_options[]= {
1068 {"sep_char", "set separator", OFFSET(sep_str), AV_OPT_TYPE_STRING, {.str="."}, CHAR_MIN, CHAR_MAX },
1069 {"s", "set separator", OFFSET(sep_str), AV_OPT_TYPE_STRING, {.str="."}, CHAR_MIN, CHAR_MAX },
1070 {"hierarchical", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
1071 {"h", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
1075 DEFINE_WRITER_CLASS(flat);
1077 static av_cold int flat_init(WriterContext *wctx)
1079 FlatContext *flat = wctx->priv;
1081 if (strlen(flat->sep_str) != 1) {
1082 av_log(wctx, AV_LOG_ERROR, "Item separator '%s' specified, but must contain a single character\n",
1084 return AVERROR(EINVAL);
1086 flat->sep = flat->sep_str[0];
1091 static const char *flat_escape_key_str(AVBPrint *dst, const char *src, const char sep)
1095 for (p = src; *p; p++) {
1096 if (!((*p >= '0' && *p <= '9') ||
1097 (*p >= 'a' && *p <= 'z') ||
1098 (*p >= 'A' && *p <= 'Z')))
1099 av_bprint_chars(dst, '_', 1);
1101 av_bprint_chars(dst, *p, 1);
1106 static const char *flat_escape_value_str(AVBPrint *dst, const char *src)
1110 for (p = src; *p; p++) {
1112 case '\n': av_bprintf(dst, "%s", "\\n"); break;
1113 case '\r': av_bprintf(dst, "%s", "\\r"); break;
1114 case '\\': av_bprintf(dst, "%s", "\\\\"); break;
1115 case '"': av_bprintf(dst, "%s", "\\\""); break;
1116 case '`': av_bprintf(dst, "%s", "\\`"); break;
1117 case '$': av_bprintf(dst, "%s", "\\$"); break;
1118 default: av_bprint_chars(dst, *p, 1); break;
1124 static void flat_print_section_header(WriterContext *wctx)
1126 FlatContext *flat = wctx->priv;
1127 AVBPrint *buf = &wctx->section_pbuf[wctx->level];
1128 const struct section *section = wctx->section[wctx->level];
1129 const struct section *parent_section = wctx->level ?
1130 wctx->section[wctx->level-1] : NULL;
1132 /* build section header */
1133 av_bprint_clear(buf);
1134 if (!parent_section)
1136 av_bprintf(buf, "%s", wctx->section_pbuf[wctx->level-1].str);
1138 if (flat->hierarchical ||
1139 !(section->flags & (SECTION_FLAG_IS_ARRAY|SECTION_FLAG_IS_WRAPPER))) {
1140 av_bprintf(buf, "%s%s", wctx->section[wctx->level]->name, flat->sep_str);
1142 if (parent_section->flags & SECTION_FLAG_IS_ARRAY) {
1143 int n = parent_section->id == SECTION_ID_PACKETS_AND_FRAMES ?
1144 wctx->nb_section_packet_frame : wctx->nb_item[wctx->level-1];
1145 av_bprintf(buf, "%d%s", n, flat->sep_str);
1150 static void flat_print_int(WriterContext *wctx, const char *key, long long int value)
1152 printf("%s%s=%lld\n", wctx->section_pbuf[wctx->level].str, key, value);
1155 static void flat_print_str(WriterContext *wctx, const char *key, const char *value)
1157 FlatContext *flat = wctx->priv;
1160 printf("%s", wctx->section_pbuf[wctx->level].str);
1161 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1162 printf("%s=", flat_escape_key_str(&buf, key, flat->sep));
1163 av_bprint_clear(&buf);
1164 printf("\"%s\"\n", flat_escape_value_str(&buf, value));
1165 av_bprint_finalize(&buf, NULL);
1168 static const Writer flat_writer = {
1170 .priv_size = sizeof(FlatContext),
1172 .print_section_header = flat_print_section_header,
1173 .print_integer = flat_print_int,
1174 .print_string = flat_print_str,
1175 .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS|WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,
1176 .priv_class = &flat_class,
1179 /* INI format output */
1182 const AVClass *class;
1187 #define OFFSET(x) offsetof(INIContext, x)
1189 static const AVOption ini_options[] = {
1190 {"hierarchical", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
1191 {"h", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
1195 DEFINE_WRITER_CLASS(ini);
1197 static char *ini_escape_str(AVBPrint *dst, const char *src)
1202 while (c = src[i++]) {
1204 case '\b': av_bprintf(dst, "%s", "\\b"); break;
1205 case '\f': av_bprintf(dst, "%s", "\\f"); break;
1206 case '\n': av_bprintf(dst, "%s", "\\n"); break;
1207 case '\r': av_bprintf(dst, "%s", "\\r"); break;
1208 case '\t': av_bprintf(dst, "%s", "\\t"); break;
1212 case ':' : av_bprint_chars(dst, '\\', 1);
1214 if ((unsigned char)c < 32)
1215 av_bprintf(dst, "\\x00%02x", c & 0xff);
1217 av_bprint_chars(dst, c, 1);
1224 static void ini_print_section_header(WriterContext *wctx)
1226 INIContext *ini = wctx->priv;
1227 AVBPrint *buf = &wctx->section_pbuf[wctx->level];
1228 const struct section *section = wctx->section[wctx->level];
1229 const struct section *parent_section = wctx->level ?
1230 wctx->section[wctx->level-1] : NULL;
1232 av_bprint_clear(buf);
1233 if (!parent_section) {
1234 printf("# ffprobe output\n\n");
1238 if (wctx->nb_item[wctx->level-1])
1241 av_bprintf(buf, "%s", wctx->section_pbuf[wctx->level-1].str);
1242 if (ini->hierarchical ||
1243 !(section->flags & (SECTION_FLAG_IS_ARRAY|SECTION_FLAG_IS_WRAPPER))) {
1244 av_bprintf(buf, "%s%s", buf->str[0] ? "." : "", wctx->section[wctx->level]->name);
1246 if (parent_section->flags & SECTION_FLAG_IS_ARRAY) {
1247 int n = parent_section->id == SECTION_ID_PACKETS_AND_FRAMES ?
1248 wctx->nb_section_packet_frame : wctx->nb_item[wctx->level-1];
1249 av_bprintf(buf, ".%d", n);
1253 if (!(section->flags & (SECTION_FLAG_IS_ARRAY|SECTION_FLAG_IS_WRAPPER)))
1254 printf("[%s]\n", buf->str);
1257 static void ini_print_str(WriterContext *wctx, const char *key, const char *value)
1261 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1262 printf("%s=", ini_escape_str(&buf, key));
1263 av_bprint_clear(&buf);
1264 printf("%s\n", ini_escape_str(&buf, value));
1265 av_bprint_finalize(&buf, NULL);
1268 static void ini_print_int(WriterContext *wctx, const char *key, long long int value)
1270 printf("%s=%lld\n", key, value);
1273 static const Writer ini_writer = {
1275 .priv_size = sizeof(INIContext),
1276 .print_section_header = ini_print_section_header,
1277 .print_integer = ini_print_int,
1278 .print_string = ini_print_str,
1279 .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS|WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,
1280 .priv_class = &ini_class,
1286 const AVClass *class;
1289 const char *item_sep, *item_start_end;
1293 #define OFFSET(x) offsetof(JSONContext, x)
1295 static const AVOption json_options[]= {
1296 { "compact", "enable compact output", OFFSET(compact), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
1297 { "c", "enable compact output", OFFSET(compact), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
1301 DEFINE_WRITER_CLASS(json);
1303 static av_cold int json_init(WriterContext *wctx)
1305 JSONContext *json = wctx->priv;
1307 json->item_sep = json->compact ? ", " : ",\n";
1308 json->item_start_end = json->compact ? " " : "\n";
1313 static const char *json_escape_str(AVBPrint *dst, const char *src, void *log_ctx)
1315 static const char json_escape[] = {'"', '\\', '\b', '\f', '\n', '\r', '\t', 0};
1316 static const char json_subst[] = {'"', '\\', 'b', 'f', 'n', 'r', 't', 0};
1319 for (p = src; *p; p++) {
1320 char *s = strchr(json_escape, *p);
1322 av_bprint_chars(dst, '\\', 1);
1323 av_bprint_chars(dst, json_subst[s - json_escape], 1);
1324 } else if ((unsigned char)*p < 32) {
1325 av_bprintf(dst, "\\u00%02x", *p & 0xff);
1327 av_bprint_chars(dst, *p, 1);
1333 #define JSON_INDENT() printf("%*c", json->indent_level * 4, ' ')
1335 static void json_print_section_header(WriterContext *wctx)
1337 JSONContext *json = wctx->priv;
1339 const struct section *section = wctx->section[wctx->level];
1340 const struct section *parent_section = wctx->level ?
1341 wctx->section[wctx->level-1] : NULL;
1343 if (wctx->level && wctx->nb_item[wctx->level-1])
1346 if (section->flags & SECTION_FLAG_IS_WRAPPER) {
1348 json->indent_level++;
1350 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1351 json_escape_str(&buf, section->name, wctx);
1354 json->indent_level++;
1355 if (section->flags & SECTION_FLAG_IS_ARRAY) {
1356 printf("\"%s\": [\n", buf.str);
1357 } else if (parent_section && !(parent_section->flags & SECTION_FLAG_IS_ARRAY)) {
1358 printf("\"%s\": {%s", buf.str, json->item_start_end);
1360 printf("{%s", json->item_start_end);
1362 /* this is required so the parser can distinguish between packets and frames */
1363 if (parent_section && parent_section->id == SECTION_ID_PACKETS_AND_FRAMES) {
1366 printf("\"type\": \"%s\"%s", section->name, json->item_sep);
1369 av_bprint_finalize(&buf, NULL);
1373 static void json_print_section_footer(WriterContext *wctx)
1375 JSONContext *json = wctx->priv;
1376 const struct section *section = wctx->section[wctx->level];
1378 if (wctx->level == 0) {
1379 json->indent_level--;
1381 } else if (section->flags & SECTION_FLAG_IS_ARRAY) {
1383 json->indent_level--;
1387 printf("%s", json->item_start_end);
1388 json->indent_level--;
1395 static inline void json_print_item_str(WriterContext *wctx,
1396 const char *key, const char *value)
1400 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1401 printf("\"%s\":", json_escape_str(&buf, key, wctx));
1402 av_bprint_clear(&buf);
1403 printf(" \"%s\"", json_escape_str(&buf, value, wctx));
1404 av_bprint_finalize(&buf, NULL);
1407 static void json_print_str(WriterContext *wctx, const char *key, const char *value)
1409 JSONContext *json = wctx->priv;
1411 if (wctx->nb_item[wctx->level])
1412 printf("%s", json->item_sep);
1415 json_print_item_str(wctx, key, value);
1418 static void json_print_int(WriterContext *wctx, const char *key, long long int value)
1420 JSONContext *json = wctx->priv;
1423 if (wctx->nb_item[wctx->level])
1424 printf("%s", json->item_sep);
1428 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1429 printf("\"%s\": %lld", json_escape_str(&buf, key, wctx), value);
1430 av_bprint_finalize(&buf, NULL);
1433 static const Writer json_writer = {
1435 .priv_size = sizeof(JSONContext),
1437 .print_section_header = json_print_section_header,
1438 .print_section_footer = json_print_section_footer,
1439 .print_integer = json_print_int,
1440 .print_string = json_print_str,
1441 .flags = WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,
1442 .priv_class = &json_class,
1448 const AVClass *class;
1451 int fully_qualified;
1456 #define OFFSET(x) offsetof(XMLContext, x)
1458 static const AVOption xml_options[] = {
1459 {"fully_qualified", "specify if the output should be fully qualified", OFFSET(fully_qualified), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
1460 {"q", "specify if the output should be fully qualified", OFFSET(fully_qualified), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
1461 {"xsd_strict", "ensure that the output is XSD compliant", OFFSET(xsd_strict), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
1462 {"x", "ensure that the output is XSD compliant", OFFSET(xsd_strict), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
1466 DEFINE_WRITER_CLASS(xml);
1468 static av_cold int xml_init(WriterContext *wctx)
1470 XMLContext *xml = wctx->priv;
1472 if (xml->xsd_strict) {
1473 xml->fully_qualified = 1;
1474 #define CHECK_COMPLIANCE(opt, opt_name) \
1476 av_log(wctx, AV_LOG_ERROR, \
1477 "XSD-compliant output selected but option '%s' was selected, XML output may be non-compliant.\n" \
1478 "You need to disable such option with '-no%s'\n", opt_name, opt_name); \
1479 return AVERROR(EINVAL); \
1481 CHECK_COMPLIANCE(show_private_data, "private");
1482 CHECK_COMPLIANCE(show_value_unit, "unit");
1483 CHECK_COMPLIANCE(use_value_prefix, "prefix");
1485 if (do_show_frames && do_show_packets) {
1486 av_log(wctx, AV_LOG_ERROR,
1487 "Interleaved frames and packets are not allowed in XSD. "
1488 "Select only one between the -show_frames and the -show_packets options.\n");
1489 return AVERROR(EINVAL);
1496 static const char *xml_escape_str(AVBPrint *dst, const char *src, void *log_ctx)
1500 for (p = src; *p; p++) {
1502 case '&' : av_bprintf(dst, "%s", "&"); break;
1503 case '<' : av_bprintf(dst, "%s", "<"); break;
1504 case '>' : av_bprintf(dst, "%s", ">"); break;
1505 case '"' : av_bprintf(dst, "%s", """); break;
1506 case '\'': av_bprintf(dst, "%s", "'"); break;
1507 default: av_bprint_chars(dst, *p, 1);
1514 #define XML_INDENT() printf("%*c", xml->indent_level * 4, ' ')
1516 static void xml_print_section_header(WriterContext *wctx)
1518 XMLContext *xml = wctx->priv;
1519 const struct section *section = wctx->section[wctx->level];
1520 const struct section *parent_section = wctx->level ?
1521 wctx->section[wctx->level-1] : NULL;
1523 if (wctx->level == 0) {
1524 const char *qual = " xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' "
1525 "xmlns:ffprobe='http://www.ffmpeg.org/schema/ffprobe' "
1526 "xsi:schemaLocation='http://www.ffmpeg.org/schema/ffprobe ffprobe.xsd'";
1528 printf("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");
1529 printf("<%sffprobe%s>\n",
1530 xml->fully_qualified ? "ffprobe:" : "",
1531 xml->fully_qualified ? qual : "");
1535 if (xml->within_tag) {
1536 xml->within_tag = 0;
1539 if (section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS) {
1540 xml->indent_level++;
1542 if (parent_section && (parent_section->flags & SECTION_FLAG_IS_WRAPPER) &&
1543 wctx->level && wctx->nb_item[wctx->level-1])
1545 xml->indent_level++;
1547 if (section->flags & SECTION_FLAG_IS_ARRAY) {
1548 XML_INDENT(); printf("<%s>\n", section->name);
1550 XML_INDENT(); printf("<%s ", section->name);
1551 xml->within_tag = 1;
1556 static void xml_print_section_footer(WriterContext *wctx)
1558 XMLContext *xml = wctx->priv;
1559 const struct section *section = wctx->section[wctx->level];
1561 if (wctx->level == 0) {
1562 printf("</%sffprobe>\n", xml->fully_qualified ? "ffprobe:" : "");
1563 } else if (xml->within_tag) {
1564 xml->within_tag = 0;
1566 xml->indent_level--;
1567 } else if (section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS) {
1568 xml->indent_level--;
1570 XML_INDENT(); printf("</%s>\n", section->name);
1571 xml->indent_level--;
1575 static void xml_print_str(WriterContext *wctx, const char *key, const char *value)
1578 XMLContext *xml = wctx->priv;
1579 const struct section *section = wctx->section[wctx->level];
1581 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1583 if (section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS) {
1585 printf("<%s key=\"%s\"",
1586 section->element_name, xml_escape_str(&buf, key, wctx));
1587 av_bprint_clear(&buf);
1588 printf(" value=\"%s\"/>\n", xml_escape_str(&buf, value, wctx));
1590 if (wctx->nb_item[wctx->level])
1592 printf("%s=\"%s\"", key, xml_escape_str(&buf, value, wctx));
1595 av_bprint_finalize(&buf, NULL);
1598 static void xml_print_int(WriterContext *wctx, const char *key, long long int value)
1600 if (wctx->nb_item[wctx->level])
1602 printf("%s=\"%lld\"", key, value);
1605 static Writer xml_writer = {
1607 .priv_size = sizeof(XMLContext),
1609 .print_section_header = xml_print_section_header,
1610 .print_section_footer = xml_print_section_footer,
1611 .print_integer = xml_print_int,
1612 .print_string = xml_print_str,
1613 .flags = WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,
1614 .priv_class = &xml_class,
1617 static void writer_register_all(void)
1619 static int initialized;
1625 writer_register(&default_writer);
1626 writer_register(&compact_writer);
1627 writer_register(&csv_writer);
1628 writer_register(&flat_writer);
1629 writer_register(&ini_writer);
1630 writer_register(&json_writer);
1631 writer_register(&xml_writer);
1634 #define print_fmt(k, f, ...) do { \
1635 av_bprint_clear(&pbuf); \
1636 av_bprintf(&pbuf, f, __VA_ARGS__); \
1637 writer_print_string(w, k, pbuf.str, 0); \
1640 #define print_int(k, v) writer_print_integer(w, k, v)
1641 #define print_q(k, v, s) writer_print_rational(w, k, v, s)
1642 #define print_str(k, v) writer_print_string(w, k, v, 0)
1643 #define print_str_opt(k, v) writer_print_string(w, k, v, PRINT_STRING_OPT)
1644 #define print_str_validate(k, v) writer_print_string(w, k, v, PRINT_STRING_VALIDATE)
1645 #define print_time(k, v, tb) writer_print_time(w, k, v, tb, 0)
1646 #define print_ts(k, v) writer_print_ts(w, k, v, 0)
1647 #define print_duration_time(k, v, tb) writer_print_time(w, k, v, tb, 1)
1648 #define print_duration_ts(k, v) writer_print_ts(w, k, v, 1)
1649 #define print_val(k, v, u) do { \
1650 struct unit_value uv; \
1653 writer_print_string(w, k, value_string(val_str, sizeof(val_str), uv), 0); \
1656 #define print_section_header(s) writer_print_section_header(w, s)
1657 #define print_section_footer(s) writer_print_section_footer(w, s)
1659 #define REALLOCZ_ARRAY_STREAM(ptr, cur_n, new_n) \
1661 ret = av_reallocp_array(&(ptr), (new_n), sizeof(*(ptr))); \
1664 memset( (ptr) + (cur_n), 0, ((new_n) - (cur_n)) * sizeof(*(ptr)) ); \
1667 static inline int show_tags(WriterContext *w, AVDictionary *tags, int section_id)
1669 AVDictionaryEntry *tag = NULL;
1674 writer_print_section_header(w, section_id);
1676 while ((tag = av_dict_get(tags, "", tag, AV_DICT_IGNORE_SUFFIX))) {
1677 if ((ret = print_str_validate(tag->key, tag->value)) < 0)
1680 writer_print_section_footer(w);
1685 static void show_packet(WriterContext *w, AVFormatContext *fmt_ctx, AVPacket *pkt, int packet_idx)
1688 AVStream *st = fmt_ctx->streams[pkt->stream_index];
1692 av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
1694 writer_print_section_header(w, SECTION_ID_PACKET);
1696 s = av_get_media_type_string(st->codec->codec_type);
1697 if (s) print_str ("codec_type", s);
1698 else print_str_opt("codec_type", "unknown");
1699 print_int("stream_index", pkt->stream_index);
1700 print_ts ("pts", pkt->pts);
1701 print_time("pts_time", pkt->pts, &st->time_base);
1702 print_ts ("dts", pkt->dts);
1703 print_time("dts_time", pkt->dts, &st->time_base);
1704 print_duration_ts("duration", pkt->duration);
1705 print_duration_time("duration_time", pkt->duration, &st->time_base);
1706 print_duration_ts("convergence_duration", pkt->convergence_duration);
1707 print_duration_time("convergence_duration_time", pkt->convergence_duration, &st->time_base);
1708 print_val("size", pkt->size, unit_byte_str);
1709 if (pkt->pos != -1) print_fmt ("pos", "%"PRId64, pkt->pos);
1710 else print_str_opt("pos", "N/A");
1711 print_fmt("flags", "%c", pkt->flags & AV_PKT_FLAG_KEY ? 'K' : '_');
1713 writer_print_data(w, "data", pkt->data, pkt->size);
1714 writer_print_data_hash(w, "data_hash", pkt->data, pkt->size);
1715 writer_print_section_footer(w);
1717 av_bprint_finalize(&pbuf, NULL);
1721 static void show_subtitle(WriterContext *w, AVSubtitle *sub, AVStream *stream,
1722 AVFormatContext *fmt_ctx)
1726 av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
1728 writer_print_section_header(w, SECTION_ID_SUBTITLE);
1730 print_str ("media_type", "subtitle");
1731 print_ts ("pts", sub->pts);
1732 print_time("pts_time", sub->pts, &AV_TIME_BASE_Q);
1733 print_int ("format", sub->format);
1734 print_int ("start_display_time", sub->start_display_time);
1735 print_int ("end_display_time", sub->end_display_time);
1736 print_int ("num_rects", sub->num_rects);
1738 writer_print_section_footer(w);
1740 av_bprint_finalize(&pbuf, NULL);
1744 static void show_frame(WriterContext *w, AVFrame *frame, AVStream *stream,
1745 AVFormatContext *fmt_ctx)
1751 av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
1753 writer_print_section_header(w, SECTION_ID_FRAME);
1755 s = av_get_media_type_string(stream->codec->codec_type);
1756 if (s) print_str ("media_type", s);
1757 else print_str_opt("media_type", "unknown");
1758 print_int("key_frame", frame->key_frame);
1759 print_ts ("pkt_pts", frame->pkt_pts);
1760 print_time("pkt_pts_time", frame->pkt_pts, &stream->time_base);
1761 print_ts ("pkt_dts", frame->pkt_dts);
1762 print_time("pkt_dts_time", frame->pkt_dts, &stream->time_base);
1763 print_ts ("best_effort_timestamp", av_frame_get_best_effort_timestamp(frame));
1764 print_time("best_effort_timestamp_time", av_frame_get_best_effort_timestamp(frame), &stream->time_base);
1765 print_duration_ts ("pkt_duration", av_frame_get_pkt_duration(frame));
1766 print_duration_time("pkt_duration_time", av_frame_get_pkt_duration(frame), &stream->time_base);
1767 if (av_frame_get_pkt_pos (frame) != -1) print_fmt ("pkt_pos", "%"PRId64, av_frame_get_pkt_pos(frame));
1768 else print_str_opt("pkt_pos", "N/A");
1769 if (av_frame_get_pkt_size(frame) != -1) print_fmt ("pkt_size", "%d", av_frame_get_pkt_size(frame));
1770 else print_str_opt("pkt_size", "N/A");
1772 switch (stream->codec->codec_type) {
1775 case AVMEDIA_TYPE_VIDEO:
1776 print_int("width", frame->width);
1777 print_int("height", frame->height);
1778 s = av_get_pix_fmt_name(frame->format);
1779 if (s) print_str ("pix_fmt", s);
1780 else print_str_opt("pix_fmt", "unknown");
1781 sar = av_guess_sample_aspect_ratio(fmt_ctx, stream, frame);
1783 print_q("sample_aspect_ratio", sar, ':');
1785 print_str_opt("sample_aspect_ratio", "N/A");
1787 print_fmt("pict_type", "%c", av_get_picture_type_char(frame->pict_type));
1788 print_int("coded_picture_number", frame->coded_picture_number);
1789 print_int("display_picture_number", frame->display_picture_number);
1790 print_int("interlaced_frame", frame->interlaced_frame);
1791 print_int("top_field_first", frame->top_field_first);
1792 print_int("repeat_pict", frame->repeat_pict);
1795 case AVMEDIA_TYPE_AUDIO:
1796 s = av_get_sample_fmt_name(frame->format);
1797 if (s) print_str ("sample_fmt", s);
1798 else print_str_opt("sample_fmt", "unknown");
1799 print_int("nb_samples", frame->nb_samples);
1800 print_int("channels", av_frame_get_channels(frame));
1801 if (av_frame_get_channel_layout(frame)) {
1802 av_bprint_clear(&pbuf);
1803 av_bprint_channel_layout(&pbuf, av_frame_get_channels(frame),
1804 av_frame_get_channel_layout(frame));
1805 print_str ("channel_layout", pbuf.str);
1807 print_str_opt("channel_layout", "unknown");
1810 if (do_show_frame_tags)
1811 show_tags(w, av_frame_get_metadata(frame), SECTION_ID_FRAME_TAGS);
1812 if (frame->nb_side_data) {
1813 writer_print_section_header(w, SECTION_ID_FRAME_SIDE_DATA_LIST);
1814 for (i = 0; i < frame->nb_side_data; i++) {
1815 AVFrameSideData *sd = frame->side_data[i];
1818 writer_print_section_header(w, SECTION_ID_FRAME_SIDE_DATA);
1819 name = av_frame_side_data_name(sd->type);
1820 print_str("side_data_type", name ? name : "unknown");
1821 print_int("side_data_size", sd->size);
1822 writer_print_section_footer(w);
1824 writer_print_section_footer(w);
1827 writer_print_section_footer(w);
1829 av_bprint_finalize(&pbuf, NULL);
1833 static av_always_inline int process_frame(WriterContext *w,
1834 AVFormatContext *fmt_ctx,
1835 AVFrame *frame, AVPacket *pkt)
1837 AVCodecContext *dec_ctx = fmt_ctx->streams[pkt->stream_index]->codec;
1839 int ret = 0, got_frame = 0;
1841 if (dec_ctx->codec) {
1842 switch (dec_ctx->codec_type) {
1843 case AVMEDIA_TYPE_VIDEO:
1844 ret = avcodec_decode_video2(dec_ctx, frame, &got_frame, pkt);
1847 case AVMEDIA_TYPE_AUDIO:
1848 ret = avcodec_decode_audio4(dec_ctx, frame, &got_frame, pkt);
1851 case AVMEDIA_TYPE_SUBTITLE:
1852 ret = avcodec_decode_subtitle2(dec_ctx, &sub, &got_frame, pkt);
1859 ret = FFMIN(ret, pkt->size); /* guard against bogus return values */
1863 int is_sub = (dec_ctx->codec_type == AVMEDIA_TYPE_SUBTITLE);
1864 nb_streams_frames[pkt->stream_index]++;
1867 show_subtitle(w, &sub, fmt_ctx->streams[pkt->stream_index], fmt_ctx);
1869 show_frame(w, frame, fmt_ctx->streams[pkt->stream_index], fmt_ctx);
1871 avsubtitle_free(&sub);
1876 static void log_read_interval(const ReadInterval *interval, void *log_ctx, int log_level)
1878 av_log(log_ctx, log_level, "id:%d", interval->id);
1880 if (interval->has_start) {
1881 av_log(log_ctx, log_level, " start:%s%s", interval->start_is_offset ? "+" : "",
1882 av_ts2timestr(interval->start, &AV_TIME_BASE_Q));
1884 av_log(log_ctx, log_level, " start:N/A");
1887 if (interval->has_end) {
1888 av_log(log_ctx, log_level, " end:%s", interval->end_is_offset ? "+" : "");
1889 if (interval->duration_frames)
1890 av_log(log_ctx, log_level, "#%"PRId64, interval->end);
1892 av_log(log_ctx, log_level, "%s", av_ts2timestr(interval->end, &AV_TIME_BASE_Q));
1894 av_log(log_ctx, log_level, " end:N/A");
1897 av_log(log_ctx, log_level, "\n");
1900 static int read_interval_packets(WriterContext *w, AVFormatContext *fmt_ctx,
1901 const ReadInterval *interval, int64_t *cur_ts)
1904 AVFrame *frame = NULL;
1905 int ret = 0, i = 0, frame_count = 0;
1906 int64_t start = -INT64_MAX, end = interval->end;
1907 int has_start = 0, has_end = interval->has_end && !interval->end_is_offset;
1909 av_init_packet(&pkt);
1911 av_log(NULL, AV_LOG_VERBOSE, "Processing read interval ");
1912 log_read_interval(interval, NULL, AV_LOG_VERBOSE);
1914 if (interval->has_start) {
1916 if (interval->start_is_offset) {
1917 if (*cur_ts == AV_NOPTS_VALUE) {
1918 av_log(NULL, AV_LOG_ERROR,
1919 "Could not seek to relative position since current "
1920 "timestamp is not defined\n");
1921 ret = AVERROR(EINVAL);
1924 target = *cur_ts + interval->start;
1926 target = interval->start;
1929 av_log(NULL, AV_LOG_VERBOSE, "Seeking to read interval start point %s\n",
1930 av_ts2timestr(target, &AV_TIME_BASE_Q));
1931 if ((ret = avformat_seek_file(fmt_ctx, -1, -INT64_MAX, target, INT64_MAX, 0)) < 0) {
1932 av_log(NULL, AV_LOG_ERROR, "Could not seek to position %"PRId64": %s\n",
1933 interval->start, av_err2str(ret));
1938 frame = av_frame_alloc();
1940 ret = AVERROR(ENOMEM);
1943 while (!av_read_frame(fmt_ctx, &pkt)) {
1944 if (fmt_ctx->nb_streams > nb_streams) {
1945 REALLOCZ_ARRAY_STREAM(nb_streams_frames, nb_streams, fmt_ctx->nb_streams);
1946 REALLOCZ_ARRAY_STREAM(nb_streams_packets, nb_streams, fmt_ctx->nb_streams);
1947 REALLOCZ_ARRAY_STREAM(selected_streams, nb_streams, fmt_ctx->nb_streams);
1948 nb_streams = fmt_ctx->nb_streams;
1950 if (selected_streams[pkt.stream_index]) {
1951 AVRational tb = fmt_ctx->streams[pkt.stream_index]->time_base;
1953 if (pkt.pts != AV_NOPTS_VALUE)
1954 *cur_ts = av_rescale_q(pkt.pts, tb, AV_TIME_BASE_Q);
1956 if (!has_start && *cur_ts != AV_NOPTS_VALUE) {
1961 if (has_start && !has_end && interval->end_is_offset) {
1962 end = start + interval->end;
1966 if (interval->end_is_offset && interval->duration_frames) {
1967 if (frame_count >= interval->end)
1969 } else if (has_end && *cur_ts != AV_NOPTS_VALUE && *cur_ts >= end) {
1974 if (do_read_packets) {
1975 if (do_show_packets)
1976 show_packet(w, fmt_ctx, &pkt, i++);
1977 nb_streams_packets[pkt.stream_index]++;
1979 if (do_read_frames) {
1981 while (pkt1.size && process_frame(w, fmt_ctx, frame, &pkt1) > 0);
1984 av_free_packet(&pkt);
1986 av_init_packet(&pkt);
1989 //Flush remaining frames that are cached in the decoder
1990 for (i = 0; i < fmt_ctx->nb_streams; i++) {
1991 pkt.stream_index = i;
1993 while (process_frame(w, fmt_ctx, frame, &pkt) > 0);
1997 av_frame_free(&frame);
1999 av_log(NULL, AV_LOG_ERROR, "Could not read packets in interval ");
2000 log_read_interval(interval, NULL, AV_LOG_ERROR);
2005 static int read_packets(WriterContext *w, AVFormatContext *fmt_ctx)
2008 int64_t cur_ts = fmt_ctx->start_time;
2010 if (read_intervals_nb == 0) {
2011 ReadInterval interval = (ReadInterval) { .has_start = 0, .has_end = 0 };
2012 ret = read_interval_packets(w, fmt_ctx, &interval, &cur_ts);
2014 for (i = 0; i < read_intervals_nb; i++) {
2015 ret = read_interval_packets(w, fmt_ctx, &read_intervals[i], &cur_ts);
2024 static int show_stream(WriterContext *w, AVFormatContext *fmt_ctx, int stream_idx, int in_program)
2026 AVStream *stream = fmt_ctx->streams[stream_idx];
2027 AVCodecContext *dec_ctx;
2031 AVRational sar, dar;
2033 const AVCodecDescriptor *cd;
2036 av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
2038 writer_print_section_header(w, in_program ? SECTION_ID_PROGRAM_STREAM : SECTION_ID_STREAM);
2040 print_int("index", stream->index);
2042 if ((dec_ctx = stream->codec)) {
2043 const char *profile = NULL;
2044 dec = dec_ctx->codec;
2046 print_str("codec_name", dec->name);
2048 if (dec->long_name) print_str ("codec_long_name", dec->long_name);
2049 else print_str_opt("codec_long_name", "unknown");
2051 } else if ((cd = avcodec_descriptor_get(stream->codec->codec_id))) {
2052 print_str_opt("codec_name", cd->name);
2054 print_str_opt("codec_long_name",
2055 cd->long_name ? cd->long_name : "unknown");
2058 print_str_opt("codec_name", "unknown");
2060 print_str_opt("codec_long_name", "unknown");
2064 if (dec && (profile = av_get_profile_name(dec, dec_ctx->profile)))
2065 print_str("profile", profile);
2067 print_str_opt("profile", "unknown");
2069 s = av_get_media_type_string(dec_ctx->codec_type);
2070 if (s) print_str ("codec_type", s);
2071 else print_str_opt("codec_type", "unknown");
2072 print_q("codec_time_base", dec_ctx->time_base, '/');
2074 /* print AVI/FourCC tag */
2075 av_get_codec_tag_string(val_str, sizeof(val_str), dec_ctx->codec_tag);
2076 print_str("codec_tag_string", val_str);
2077 print_fmt("codec_tag", "0x%04x", dec_ctx->codec_tag);
2079 switch (dec_ctx->codec_type) {
2080 case AVMEDIA_TYPE_VIDEO:
2081 print_int("width", dec_ctx->width);
2082 print_int("height", dec_ctx->height);
2083 print_int("has_b_frames", dec_ctx->has_b_frames);
2084 sar = av_guess_sample_aspect_ratio(fmt_ctx, stream, NULL);
2086 print_q("sample_aspect_ratio", sar, ':');
2087 av_reduce(&dar.num, &dar.den,
2088 dec_ctx->width * sar.num,
2089 dec_ctx->height * sar.den,
2091 print_q("display_aspect_ratio", dar, ':');
2093 print_str_opt("sample_aspect_ratio", "N/A");
2094 print_str_opt("display_aspect_ratio", "N/A");
2096 s = av_get_pix_fmt_name(dec_ctx->pix_fmt);
2097 if (s) print_str ("pix_fmt", s);
2098 else print_str_opt("pix_fmt", "unknown");
2099 print_int("level", dec_ctx->level);
2100 if (dec_ctx->color_range != AVCOL_RANGE_UNSPECIFIED)
2101 print_str ("color_range", dec_ctx->color_range == AVCOL_RANGE_MPEG ? "tv": "pc");
2103 print_str_opt("color_range", "N/A");
2104 s = av_get_colorspace_name(dec_ctx->colorspace);
2105 if (s) print_str ("color_space", s);
2106 else print_str_opt("color_space", "unknown");
2107 if (dec_ctx->timecode_frame_start >= 0) {
2108 char tcbuf[AV_TIMECODE_STR_SIZE];
2109 av_timecode_make_mpeg_tc_string(tcbuf, dec_ctx->timecode_frame_start);
2110 print_str("timecode", tcbuf);
2112 print_str_opt("timecode", "N/A");
2116 case AVMEDIA_TYPE_AUDIO:
2117 s = av_get_sample_fmt_name(dec_ctx->sample_fmt);
2118 if (s) print_str ("sample_fmt", s);
2119 else print_str_opt("sample_fmt", "unknown");
2120 print_val("sample_rate", dec_ctx->sample_rate, unit_hertz_str);
2121 print_int("channels", dec_ctx->channels);
2123 if (dec_ctx->channel_layout) {
2124 av_bprint_clear(&pbuf);
2125 av_bprint_channel_layout(&pbuf, dec_ctx->channels, dec_ctx->channel_layout);
2126 print_str ("channel_layout", pbuf.str);
2128 print_str_opt("channel_layout", "unknown");
2131 print_int("bits_per_sample", av_get_bits_per_sample(dec_ctx->codec_id));
2134 case AVMEDIA_TYPE_SUBTITLE:
2136 print_int("width", dec_ctx->width);
2138 print_str_opt("width", "N/A");
2139 if (dec_ctx->height)
2140 print_int("height", dec_ctx->height);
2142 print_str_opt("height", "N/A");
2146 print_str_opt("codec_type", "unknown");
2148 if (dec_ctx->codec && dec_ctx->codec->priv_class && show_private_data) {
2149 const AVOption *opt = NULL;
2150 while (opt = av_opt_next(dec_ctx->priv_data,opt)) {
2152 if (opt->flags) continue;
2153 if (av_opt_get(dec_ctx->priv_data, opt->name, 0, &str) >= 0) {
2154 print_str(opt->name, str);
2160 if (fmt_ctx->iformat->flags & AVFMT_SHOW_IDS) print_fmt ("id", "0x%x", stream->id);
2161 else print_str_opt("id", "N/A");
2162 print_q("r_frame_rate", stream->r_frame_rate, '/');
2163 print_q("avg_frame_rate", stream->avg_frame_rate, '/');
2164 print_q("time_base", stream->time_base, '/');
2165 print_ts ("start_pts", stream->start_time);
2166 print_time("start_time", stream->start_time, &stream->time_base);
2167 print_ts ("duration_ts", stream->duration);
2168 print_time("duration", stream->duration, &stream->time_base);
2169 if (dec_ctx->bit_rate > 0) print_val ("bit_rate", dec_ctx->bit_rate, unit_bit_per_second_str);
2170 else print_str_opt("bit_rate", "N/A");
2171 if (dec_ctx->rc_max_rate > 0) print_val ("max_bit_rate", dec_ctx->rc_max_rate, unit_bit_per_second_str);
2172 else print_str_opt("max_bit_rate", "N/A");
2173 if (stream->nb_frames) print_fmt ("nb_frames", "%"PRId64, stream->nb_frames);
2174 else print_str_opt("nb_frames", "N/A");
2175 if (nb_streams_frames[stream_idx]) print_fmt ("nb_read_frames", "%"PRIu64, nb_streams_frames[stream_idx]);
2176 else print_str_opt("nb_read_frames", "N/A");
2177 if (nb_streams_packets[stream_idx]) print_fmt ("nb_read_packets", "%"PRIu64, nb_streams_packets[stream_idx]);
2178 else print_str_opt("nb_read_packets", "N/A");
2180 writer_print_data(w, "extradata", dec_ctx->extradata,
2181 dec_ctx->extradata_size);
2182 writer_print_data_hash(w, "extradata_hash", dec_ctx->extradata,
2183 dec_ctx->extradata_size);
2185 /* Print disposition information */
2186 #define PRINT_DISPOSITION(flagname, name) do { \
2187 print_int(name, !!(stream->disposition & AV_DISPOSITION_##flagname)); \
2190 if (do_show_stream_disposition) {
2191 writer_print_section_header(w, in_program ? SECTION_ID_PROGRAM_STREAM_DISPOSITION : SECTION_ID_STREAM_DISPOSITION);
2192 PRINT_DISPOSITION(DEFAULT, "default");
2193 PRINT_DISPOSITION(DUB, "dub");
2194 PRINT_DISPOSITION(ORIGINAL, "original");
2195 PRINT_DISPOSITION(COMMENT, "comment");
2196 PRINT_DISPOSITION(LYRICS, "lyrics");
2197 PRINT_DISPOSITION(KARAOKE, "karaoke");
2198 PRINT_DISPOSITION(FORCED, "forced");
2199 PRINT_DISPOSITION(HEARING_IMPAIRED, "hearing_impaired");
2200 PRINT_DISPOSITION(VISUAL_IMPAIRED, "visual_impaired");
2201 PRINT_DISPOSITION(CLEAN_EFFECTS, "clean_effects");
2202 PRINT_DISPOSITION(ATTACHED_PIC, "attached_pic");
2203 writer_print_section_footer(w);
2206 if (do_show_stream_tags)
2207 ret = show_tags(w, stream->metadata, in_program ? SECTION_ID_PROGRAM_STREAM_TAGS : SECTION_ID_STREAM_TAGS);
2209 writer_print_section_footer(w);
2210 av_bprint_finalize(&pbuf, NULL);
2216 static int show_streams(WriterContext *w, AVFormatContext *fmt_ctx)
2220 writer_print_section_header(w, SECTION_ID_STREAMS);
2221 for (i = 0; i < fmt_ctx->nb_streams; i++)
2222 if (selected_streams[i]) {
2223 ret = show_stream(w, fmt_ctx, i, 0);
2227 writer_print_section_footer(w);
2232 static int show_program(WriterContext *w, AVFormatContext *fmt_ctx, AVProgram *program)
2236 writer_print_section_header(w, SECTION_ID_PROGRAM);
2237 print_int("program_id", program->id);
2238 print_int("program_num", program->program_num);
2239 print_int("nb_streams", program->nb_stream_indexes);
2240 print_int("pmt_pid", program->pmt_pid);
2241 print_int("pcr_pid", program->pcr_pid);
2242 print_ts("start_pts", program->start_time);
2243 print_time("start_time", program->start_time, &AV_TIME_BASE_Q);
2244 print_ts("end_pts", program->end_time);
2245 print_time("end_time", program->end_time, &AV_TIME_BASE_Q);
2246 if (do_show_program_tags)
2247 ret = show_tags(w, program->metadata, SECTION_ID_PROGRAM_TAGS);
2251 writer_print_section_header(w, SECTION_ID_PROGRAM_STREAMS);
2252 for (i = 0; i < program->nb_stream_indexes; i++) {
2253 if (selected_streams[program->stream_index[i]]) {
2254 ret = show_stream(w, fmt_ctx, program->stream_index[i], 1);
2259 writer_print_section_footer(w);
2262 writer_print_section_footer(w);
2266 static int show_programs(WriterContext *w, AVFormatContext *fmt_ctx)
2270 writer_print_section_header(w, SECTION_ID_PROGRAMS);
2271 for (i = 0; i < fmt_ctx->nb_programs; i++) {
2272 AVProgram *program = fmt_ctx->programs[i];
2275 ret = show_program(w, fmt_ctx, program);
2279 writer_print_section_footer(w);
2283 static int show_chapters(WriterContext *w, AVFormatContext *fmt_ctx)
2287 writer_print_section_header(w, SECTION_ID_CHAPTERS);
2288 for (i = 0; i < fmt_ctx->nb_chapters; i++) {
2289 AVChapter *chapter = fmt_ctx->chapters[i];
2291 writer_print_section_header(w, SECTION_ID_CHAPTER);
2292 print_int("id", chapter->id);
2293 print_q ("time_base", chapter->time_base, '/');
2294 print_int("start", chapter->start);
2295 print_time("start_time", chapter->start, &chapter->time_base);
2296 print_int("end", chapter->end);
2297 print_time("end_time", chapter->end, &chapter->time_base);
2298 if (do_show_chapter_tags)
2299 ret = show_tags(w, chapter->metadata, SECTION_ID_CHAPTER_TAGS);
2300 writer_print_section_footer(w);
2302 writer_print_section_footer(w);
2307 static int show_format(WriterContext *w, AVFormatContext *fmt_ctx)
2310 int64_t size = fmt_ctx->pb ? avio_size(fmt_ctx->pb) : -1;
2313 writer_print_section_header(w, SECTION_ID_FORMAT);
2314 print_str_validate("filename", fmt_ctx->filename);
2315 print_int("nb_streams", fmt_ctx->nb_streams);
2316 print_int("nb_programs", fmt_ctx->nb_programs);
2317 print_str("format_name", fmt_ctx->iformat->name);
2319 if (fmt_ctx->iformat->long_name) print_str ("format_long_name", fmt_ctx->iformat->long_name);
2320 else print_str_opt("format_long_name", "unknown");
2322 print_time("start_time", fmt_ctx->start_time, &AV_TIME_BASE_Q);
2323 print_time("duration", fmt_ctx->duration, &AV_TIME_BASE_Q);
2324 if (size >= 0) print_val ("size", size, unit_byte_str);
2325 else print_str_opt("size", "N/A");
2326 if (fmt_ctx->bit_rate > 0) print_val ("bit_rate", fmt_ctx->bit_rate, unit_bit_per_second_str);
2327 else print_str_opt("bit_rate", "N/A");
2328 print_int("probe_score", av_format_get_probe_score(fmt_ctx));
2329 if (do_show_format_tags)
2330 ret = show_tags(w, fmt_ctx->metadata, SECTION_ID_FORMAT_TAGS);
2332 writer_print_section_footer(w);
2337 static void show_error(WriterContext *w, int err)
2340 const char *errbuf_ptr = errbuf;
2342 if (av_strerror(err, errbuf, sizeof(errbuf)) < 0)
2343 errbuf_ptr = strerror(AVUNERROR(err));
2345 writer_print_section_header(w, SECTION_ID_ERROR);
2346 print_int("code", err);
2347 print_str("string", errbuf_ptr);
2348 writer_print_section_footer(w);
2351 static int open_input_file(AVFormatContext **fmt_ctx_ptr, const char *filename)
2353 int err, i, orig_nb_streams;
2354 AVFormatContext *fmt_ctx = NULL;
2355 AVDictionaryEntry *t;
2356 AVDictionary **opts;
2358 if ((err = avformat_open_input(&fmt_ctx, filename,
2359 iformat, &format_opts)) < 0) {
2360 print_error(filename, err);
2363 if ((t = av_dict_get(format_opts, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
2364 av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
2365 return AVERROR_OPTION_NOT_FOUND;
2368 /* fill the streams in the format context */
2369 opts = setup_find_stream_info_opts(fmt_ctx, codec_opts);
2370 orig_nb_streams = fmt_ctx->nb_streams;
2372 if ((err = avformat_find_stream_info(fmt_ctx, opts)) < 0) {
2373 print_error(filename, err);
2376 for (i = 0; i < orig_nb_streams; i++)
2377 av_dict_free(&opts[i]);
2380 av_dump_format(fmt_ctx, 0, filename, 0);
2382 /* bind a decoder to each input stream */
2383 for (i = 0; i < fmt_ctx->nb_streams; i++) {
2384 AVStream *stream = fmt_ctx->streams[i];
2387 if (stream->codec->codec_id == AV_CODEC_ID_PROBE) {
2388 av_log(NULL, AV_LOG_WARNING,
2389 "Failed to probe codec for input stream %d\n",
2391 } else if (!(codec = avcodec_find_decoder(stream->codec->codec_id))) {
2392 av_log(NULL, AV_LOG_WARNING,
2393 "Unsupported codec with id %d for input stream %d\n",
2394 stream->codec->codec_id, stream->index);
2396 AVDictionary *opts = filter_codec_opts(codec_opts, stream->codec->codec_id,
2397 fmt_ctx, stream, codec);
2398 if (avcodec_open2(stream->codec, codec, &opts) < 0) {
2399 av_log(NULL, AV_LOG_WARNING, "Could not open codec for input stream %d\n",
2402 if ((t = av_dict_get(opts, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
2403 av_log(NULL, AV_LOG_ERROR, "Option %s for input stream %d not found\n",
2404 t->key, stream->index);
2405 return AVERROR_OPTION_NOT_FOUND;
2410 *fmt_ctx_ptr = fmt_ctx;
2414 static void close_input_file(AVFormatContext **ctx_ptr)
2417 AVFormatContext *fmt_ctx = *ctx_ptr;
2419 /* close decoder for each stream */
2420 for (i = 0; i < fmt_ctx->nb_streams; i++)
2421 if (fmt_ctx->streams[i]->codec->codec_id != AV_CODEC_ID_NONE)
2422 avcodec_close(fmt_ctx->streams[i]->codec);
2424 avformat_close_input(ctx_ptr);
2427 static int probe_file(WriterContext *wctx, const char *filename)
2429 AVFormatContext *fmt_ctx;
2433 do_read_frames = do_show_frames || do_count_frames;
2434 do_read_packets = do_show_packets || do_count_packets;
2436 ret = open_input_file(&fmt_ctx, filename);
2440 #define CHECK_END if (ret < 0) goto end
2442 nb_streams = fmt_ctx->nb_streams;
2443 REALLOCZ_ARRAY_STREAM(nb_streams_frames,0,fmt_ctx->nb_streams);
2444 REALLOCZ_ARRAY_STREAM(nb_streams_packets,0,fmt_ctx->nb_streams);
2445 REALLOCZ_ARRAY_STREAM(selected_streams,0,fmt_ctx->nb_streams);
2447 for (i = 0; i < fmt_ctx->nb_streams; i++) {
2448 if (stream_specifier) {
2449 ret = avformat_match_stream_specifier(fmt_ctx,
2450 fmt_ctx->streams[i],
2454 selected_streams[i] = ret;
2457 selected_streams[i] = 1;
2461 if (do_read_frames || do_read_packets) {
2462 if (do_show_frames && do_show_packets &&
2463 wctx->writer->flags & WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER)
2464 section_id = SECTION_ID_PACKETS_AND_FRAMES;
2465 else if (do_show_packets && !do_show_frames)
2466 section_id = SECTION_ID_PACKETS;
2467 else // (!do_show_packets && do_show_frames)
2468 section_id = SECTION_ID_FRAMES;
2469 if (do_show_frames || do_show_packets)
2470 writer_print_section_header(wctx, section_id);
2471 ret = read_packets(wctx, fmt_ctx);
2472 if (do_show_frames || do_show_packets)
2473 writer_print_section_footer(wctx);
2477 if (do_show_programs) {
2478 ret = show_programs(wctx, fmt_ctx);
2482 if (do_show_streams) {
2483 ret = show_streams(wctx, fmt_ctx);
2486 if (do_show_chapters) {
2487 ret = show_chapters(wctx, fmt_ctx);
2490 if (do_show_format) {
2491 ret = show_format(wctx, fmt_ctx);
2496 close_input_file(&fmt_ctx);
2497 av_freep(&nb_streams_frames);
2498 av_freep(&nb_streams_packets);
2499 av_freep(&selected_streams);
2504 static void show_usage(void)
2506 av_log(NULL, AV_LOG_INFO, "Simple multimedia streams analyzer\n");
2507 av_log(NULL, AV_LOG_INFO, "usage: %s [OPTIONS] [INPUT_FILE]\n", program_name);
2508 av_log(NULL, AV_LOG_INFO, "\n");
2511 static void ffprobe_show_program_version(WriterContext *w)
2514 av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
2516 writer_print_section_header(w, SECTION_ID_PROGRAM_VERSION);
2517 print_str("version", FFMPEG_VERSION);
2518 print_fmt("copyright", "Copyright (c) %d-%d the FFmpeg developers",
2519 program_birth_year, CONFIG_THIS_YEAR);
2520 print_str("build_date", __DATE__);
2521 print_str("build_time", __TIME__);
2522 print_str("compiler_ident", CC_IDENT);
2523 print_str("configuration", FFMPEG_CONFIGURATION);
2524 writer_print_section_footer(w);
2526 av_bprint_finalize(&pbuf, NULL);
2529 #define SHOW_LIB_VERSION(libname, LIBNAME) \
2531 if (CONFIG_##LIBNAME) { \
2532 unsigned int version = libname##_version(); \
2533 writer_print_section_header(w, SECTION_ID_LIBRARY_VERSION); \
2534 print_str("name", "lib" #libname); \
2535 print_int("major", LIB##LIBNAME##_VERSION_MAJOR); \
2536 print_int("minor", LIB##LIBNAME##_VERSION_MINOR); \
2537 print_int("micro", LIB##LIBNAME##_VERSION_MICRO); \
2538 print_int("version", version); \
2539 print_str("ident", LIB##LIBNAME##_IDENT); \
2540 writer_print_section_footer(w); \
2544 static void ffprobe_show_library_versions(WriterContext *w)
2546 writer_print_section_header(w, SECTION_ID_LIBRARY_VERSIONS);
2547 SHOW_LIB_VERSION(avutil, AVUTIL);
2548 SHOW_LIB_VERSION(avcodec, AVCODEC);
2549 SHOW_LIB_VERSION(avformat, AVFORMAT);
2550 SHOW_LIB_VERSION(avdevice, AVDEVICE);
2551 SHOW_LIB_VERSION(avfilter, AVFILTER);
2552 SHOW_LIB_VERSION(swscale, SWSCALE);
2553 SHOW_LIB_VERSION(swresample, SWRESAMPLE);
2554 SHOW_LIB_VERSION(postproc, POSTPROC);
2555 writer_print_section_footer(w);
2558 static int opt_format(void *optctx, const char *opt, const char *arg)
2560 iformat = av_find_input_format(arg);
2562 av_log(NULL, AV_LOG_ERROR, "Unknown input format: %s\n", arg);
2563 return AVERROR(EINVAL);
2568 static inline void mark_section_show_entries(SectionID section_id,
2569 int show_all_entries, AVDictionary *entries)
2571 struct section *section = §ions[section_id];
2573 section->show_all_entries = show_all_entries;
2574 if (show_all_entries) {
2576 for (id = section->children_ids; *id != -1; id++)
2577 mark_section_show_entries(*id, show_all_entries, entries);
2579 av_dict_copy(§ion->entries_to_show, entries, 0);
2583 static int match_section(const char *section_name,
2584 int show_all_entries, AVDictionary *entries)
2588 for (i = 0; i < FF_ARRAY_ELEMS(sections); i++) {
2589 const struct section *section = §ions[i];
2590 if (!strcmp(section_name, section->name) ||
2591 (section->unique_name && !strcmp(section_name, section->unique_name))) {
2592 av_log(NULL, AV_LOG_DEBUG,
2593 "'%s' matches section with unique name '%s'\n", section_name,
2594 (char *)av_x_if_null(section->unique_name, section->name));
2596 mark_section_show_entries(section->id, show_all_entries, entries);
2602 static int opt_show_entries(void *optctx, const char *opt, const char *arg)
2604 const char *p = arg;
2608 AVDictionary *entries = NULL;
2609 char *section_name = av_get_token(&p, "=:");
2610 int show_all_entries = 0;
2612 if (!section_name) {
2613 av_log(NULL, AV_LOG_ERROR,
2614 "Missing section name for option '%s'\n", opt);
2615 return AVERROR(EINVAL);
2620 while (*p && *p != ':') {
2621 char *entry = av_get_token(&p, ",:");
2624 av_log(NULL, AV_LOG_VERBOSE,
2625 "Adding '%s' to the entries to show in section '%s'\n",
2626 entry, section_name);
2627 av_dict_set(&entries, entry, "", AV_DICT_DONT_STRDUP_KEY);
2632 show_all_entries = 1;
2635 ret = match_section(section_name, show_all_entries, entries);
2637 av_log(NULL, AV_LOG_ERROR, "No match for section '%s'\n", section_name);
2638 ret = AVERROR(EINVAL);
2640 av_dict_free(&entries);
2641 av_free(section_name);
2652 static int opt_show_format_entry(void *optctx, const char *opt, const char *arg)
2654 char *buf = av_asprintf("format=%s", arg);
2657 av_log(NULL, AV_LOG_WARNING,
2658 "Option '%s' is deprecated, use '-show_entries format=%s' instead\n",
2660 ret = opt_show_entries(optctx, opt, buf);
2665 static void opt_input_file(void *optctx, const char *arg)
2667 if (input_filename) {
2668 av_log(NULL, AV_LOG_ERROR,
2669 "Argument '%s' provided as input filename, but '%s' was already specified.\n",
2670 arg, input_filename);
2673 if (!strcmp(arg, "-"))
2675 input_filename = arg;
2678 static int opt_input_file_i(void *optctx, const char *opt, const char *arg)
2680 opt_input_file(optctx, arg);
2684 void show_help_default(const char *opt, const char *arg)
2686 av_log_set_callback(log_callback_help);
2688 show_help_options(options, "Main options:", 0, 0, 0);
2691 show_help_children(avformat_get_class(), AV_OPT_FLAG_DECODING_PARAM);
2695 * Parse interval specification, according to the format:
2696 * INTERVAL ::= [START|+START_OFFSET][%[END|+END_OFFSET]]
2697 * INTERVALS ::= INTERVAL[,INTERVALS]
2699 static int parse_read_interval(const char *interval_spec,
2700 ReadInterval *interval)
2703 char *next, *p, *spec = av_strdup(interval_spec);
2705 return AVERROR(ENOMEM);
2708 av_log(NULL, AV_LOG_ERROR, "Invalid empty interval specification\n");
2709 ret = AVERROR(EINVAL);
2714 next = strchr(spec, '%');
2718 /* parse first part */
2720 interval->has_start = 1;
2723 interval->start_is_offset = 1;
2726 interval->start_is_offset = 0;
2729 ret = av_parse_time(&interval->start, p, 1);
2731 av_log(NULL, AV_LOG_ERROR, "Invalid interval start specification '%s'\n", p);
2735 interval->has_start = 0;
2738 /* parse second part */
2742 interval->has_end = 1;
2745 interval->end_is_offset = 1;
2748 interval->end_is_offset = 0;
2751 if (interval->end_is_offset && *p == '#') {
2754 interval->duration_frames = 1;
2756 lli = strtoll(p, &tail, 10);
2757 if (*tail || lli < 0) {
2758 av_log(NULL, AV_LOG_ERROR,
2759 "Invalid or negative value '%s' for duration number of frames\n", p);
2762 interval->end = lli;
2764 ret = av_parse_time(&us, p, 1);
2766 av_log(NULL, AV_LOG_ERROR, "Invalid interval end/duration specification '%s'\n", p);
2772 interval->has_end = 0;
2780 static int parse_read_intervals(const char *intervals_spec)
2783 char *p, *spec = av_strdup(intervals_spec);
2785 return AVERROR(ENOMEM);
2787 /* preparse specification, get number of intervals */
2788 for (n = 0, p = spec; *p; p++)
2793 read_intervals = av_malloc_array(n, sizeof(*read_intervals));
2794 if (!read_intervals) {
2795 ret = AVERROR(ENOMEM);
2798 read_intervals_nb = n;
2800 /* parse intervals */
2802 for (i = 0; p; i++) {
2805 av_assert0(i < read_intervals_nb);
2806 next = strchr(p, ',');
2810 read_intervals[i].id = i;
2811 ret = parse_read_interval(p, &read_intervals[i]);
2813 av_log(NULL, AV_LOG_ERROR, "Error parsing read interval #%d '%s'\n",
2817 av_log(NULL, AV_LOG_VERBOSE, "Parsed log interval ");
2818 log_read_interval(&read_intervals[i], NULL, AV_LOG_VERBOSE);
2821 av_assert0(i == read_intervals_nb);
2828 static int opt_read_intervals(void *optctx, const char *opt, const char *arg)
2830 return parse_read_intervals(arg);
2833 static int opt_pretty(void *optctx, const char *opt, const char *arg)
2835 show_value_unit = 1;
2836 use_value_prefix = 1;
2837 use_byte_value_binary_prefix = 1;
2838 use_value_sexagesimal_format = 1;
2842 static void print_section(SectionID id, int level)
2844 const SectionID *pid;
2845 const struct section *section = §ions[id];
2847 section->flags & SECTION_FLAG_IS_WRAPPER ? 'W' : '.',
2848 section->flags & SECTION_FLAG_IS_ARRAY ? 'A' : '.',
2849 section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS ? 'V' : '.');
2850 printf("%*c %s", level * 4, ' ', section->name);
2851 if (section->unique_name)
2852 printf("/%s", section->unique_name);
2855 for (pid = section->children_ids; *pid != -1; pid++)
2856 print_section(*pid, level+1);
2859 static int opt_sections(void *optctx, const char *opt, const char *arg)
2861 printf("Sections:\n"
2862 "W.. = Section is a wrapper (contains other sections, no local entries)\n"
2863 ".A. = Section contains an array of elements of the same type\n"
2864 "..V = Section may contain a variable number of fields with variable keys\n"
2865 "FLAGS NAME/UNIQUE_NAME\n"
2867 print_section(SECTION_ID_ROOT, 0);
2871 static int opt_show_versions(const char *opt, const char *arg)
2873 mark_section_show_entries(SECTION_ID_PROGRAM_VERSION, 1, NULL);
2874 mark_section_show_entries(SECTION_ID_LIBRARY_VERSION, 1, NULL);
2878 #define DEFINE_OPT_SHOW_SECTION(section, target_section_id) \
2879 static int opt_show_##section(const char *opt, const char *arg) \
2881 mark_section_show_entries(SECTION_ID_##target_section_id, 1, NULL); \
2885 DEFINE_OPT_SHOW_SECTION(chapters, CHAPTERS);
2886 DEFINE_OPT_SHOW_SECTION(error, ERROR);
2887 DEFINE_OPT_SHOW_SECTION(format, FORMAT);
2888 DEFINE_OPT_SHOW_SECTION(frames, FRAMES);
2889 DEFINE_OPT_SHOW_SECTION(library_versions, LIBRARY_VERSIONS);
2890 DEFINE_OPT_SHOW_SECTION(packets, PACKETS);
2891 DEFINE_OPT_SHOW_SECTION(program_version, PROGRAM_VERSION);
2892 DEFINE_OPT_SHOW_SECTION(streams, STREAMS);
2893 DEFINE_OPT_SHOW_SECTION(programs, PROGRAMS);
2895 static const OptionDef real_options[] = {
2896 #include "cmdutils_common_opts.h"
2897 { "f", HAS_ARG, {.func_arg = opt_format}, "force format", "format" },
2898 { "unit", OPT_BOOL, {&show_value_unit}, "show unit of the displayed values" },
2899 { "prefix", OPT_BOOL, {&use_value_prefix}, "use SI prefixes for the displayed values" },
2900 { "byte_binary_prefix", OPT_BOOL, {&use_byte_value_binary_prefix},
2901 "use binary prefixes for byte units" },
2902 { "sexagesimal", OPT_BOOL, {&use_value_sexagesimal_format},
2903 "use sexagesimal format HOURS:MM:SS.MICROSECONDS for time units" },
2904 { "pretty", 0, {.func_arg = opt_pretty},
2905 "prettify the format of displayed values, make it more human readable" },
2906 { "print_format", OPT_STRING | HAS_ARG, {(void*)&print_format},
2907 "set the output printing format (available formats are: default, compact, csv, flat, ini, json, xml)", "format" },
2908 { "of", OPT_STRING | HAS_ARG, {(void*)&print_format}, "alias for -print_format", "format" },
2909 { "select_streams", OPT_STRING | HAS_ARG, {(void*)&stream_specifier}, "select the specified streams", "stream_specifier" },
2910 { "sections", OPT_EXIT, {.func_arg = opt_sections}, "print sections structure and section information, and exit" },
2911 { "show_data", OPT_BOOL, {(void*)&do_show_data}, "show packets data" },
2912 { "show_data_hash", OPT_STRING | HAS_ARG, {(void*)&show_data_hash}, "show packets data hash" },
2913 { "show_error", 0, {(void*)&opt_show_error}, "show probing error" },
2914 { "show_format", 0, {(void*)&opt_show_format}, "show format/container info" },
2915 { "show_frames", 0, {(void*)&opt_show_frames}, "show frames info" },
2916 { "show_format_entry", HAS_ARG, {.func_arg = opt_show_format_entry},
2917 "show a particular entry from the format/container info", "entry" },
2918 { "show_entries", HAS_ARG, {.func_arg = opt_show_entries},
2919 "show a set of specified entries", "entry_list" },
2920 { "show_packets", 0, {(void*)&opt_show_packets}, "show packets info" },
2921 { "show_programs", 0, {(void*)&opt_show_programs}, "show programs info" },
2922 { "show_streams", 0, {(void*)&opt_show_streams}, "show streams info" },
2923 { "show_chapters", 0, {(void*)&opt_show_chapters}, "show chapters info" },
2924 { "count_frames", OPT_BOOL, {(void*)&do_count_frames}, "count the number of frames per stream" },
2925 { "count_packets", OPT_BOOL, {(void*)&do_count_packets}, "count the number of packets per stream" },
2926 { "show_program_version", 0, {(void*)&opt_show_program_version}, "show ffprobe version" },
2927 { "show_library_versions", 0, {(void*)&opt_show_library_versions}, "show library versions" },
2928 { "show_versions", 0, {(void*)&opt_show_versions}, "show program and library versions" },
2929 { "show_private_data", OPT_BOOL, {(void*)&show_private_data}, "show private data" },
2930 { "private", OPT_BOOL, {(void*)&show_private_data}, "same as show_private_data" },
2931 { "bitexact", OPT_BOOL, {&do_bitexact}, "force bitexact output" },
2932 { "read_intervals", HAS_ARG, {.func_arg = opt_read_intervals}, "set read intervals", "read_intervals" },
2933 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {.func_arg = opt_default}, "generic catch all option", "" },
2934 { "i", HAS_ARG, {.func_arg = opt_input_file_i}, "read specified file", "input_file"},
2938 static inline int check_section_show_entries(int section_id)
2941 struct section *section = §ions[section_id];
2942 if (sections[section_id].show_all_entries || sections[section_id].entries_to_show)
2944 for (id = section->children_ids; *id != -1; id++)
2945 if (check_section_show_entries(*id))
2950 #define SET_DO_SHOW(id, varname) do { \
2951 if (check_section_show_entries(SECTION_ID_##id)) \
2952 do_show_##varname = 1; \
2955 int main(int argc, char **argv)
2958 WriterContext *wctx;
2960 char *w_name = NULL, *w_args = NULL;
2963 av_log_set_flags(AV_LOG_SKIP_REPEATED);
2964 register_exit(ffprobe_cleanup);
2966 options = real_options;
2967 parse_loglevel(argc, argv, options);
2969 avformat_network_init();
2972 avdevice_register_all();
2975 show_banner(argc, argv, options);
2976 parse_options(NULL, argc, argv, options, opt_input_file);
2978 /* mark things to show, based on -show_entries */
2979 SET_DO_SHOW(CHAPTERS, chapters);
2980 SET_DO_SHOW(ERROR, error);
2981 SET_DO_SHOW(FORMAT, format);
2982 SET_DO_SHOW(FRAMES, frames);
2983 SET_DO_SHOW(LIBRARY_VERSIONS, library_versions);
2984 SET_DO_SHOW(PACKETS, packets);
2985 SET_DO_SHOW(PROGRAM_VERSION, program_version);
2986 SET_DO_SHOW(PROGRAMS, programs);
2987 SET_DO_SHOW(STREAMS, streams);
2988 SET_DO_SHOW(STREAM_DISPOSITION, stream_disposition);
2989 SET_DO_SHOW(PROGRAM_STREAM_DISPOSITION, stream_disposition);
2991 SET_DO_SHOW(CHAPTER_TAGS, chapter_tags);
2992 SET_DO_SHOW(FORMAT_TAGS, format_tags);
2993 SET_DO_SHOW(FRAME_TAGS, frame_tags);
2994 SET_DO_SHOW(PROGRAM_TAGS, program_tags);
2995 SET_DO_SHOW(STREAM_TAGS, stream_tags);
2997 if (do_bitexact && (do_show_program_version || do_show_library_versions)) {
2998 av_log(NULL, AV_LOG_ERROR,
2999 "-bitexact and -show_program_version or -show_library_versions "
3000 "options are incompatible\n");
3001 ret = AVERROR(EINVAL);
3005 writer_register_all();
3008 print_format = av_strdup("default");
3009 if (!print_format) {
3010 ret = AVERROR(ENOMEM);
3013 w_name = av_strtok(print_format, "=", &buf);
3016 if (show_data_hash) {
3017 if ((ret = av_hash_alloc(&hash, show_data_hash)) < 0) {
3018 if (ret == AVERROR(EINVAL)) {
3020 av_log(NULL, AV_LOG_ERROR,
3021 "Unknown hash algorithm '%s'\nKnown algorithms:",
3023 for (i = 0; (n = av_hash_names(i)); i++)
3024 av_log(NULL, AV_LOG_ERROR, " %s", n);
3025 av_log(NULL, AV_LOG_ERROR, "\n");
3031 w = writer_get_by_name(w_name);
3033 av_log(NULL, AV_LOG_ERROR, "Unknown output format with name '%s'\n", w_name);
3034 ret = AVERROR(EINVAL);
3038 if ((ret = writer_open(&wctx, w, w_args,
3039 sections, FF_ARRAY_ELEMS(sections))) >= 0) {
3040 if (w == &xml_writer)
3041 wctx->string_validation_utf8_flags |= AV_UTF8_FLAG_EXCLUDE_XML_INVALID_CONTROL_CODES;
3043 writer_print_section_header(wctx, SECTION_ID_ROOT);
3045 if (do_show_program_version)
3046 ffprobe_show_program_version(wctx);
3047 if (do_show_library_versions)
3048 ffprobe_show_library_versions(wctx);
3050 if (!input_filename &&
3051 ((do_show_format || do_show_programs || do_show_streams || do_show_chapters || do_show_packets || do_show_error) ||
3052 (!do_show_program_version && !do_show_library_versions))) {
3054 av_log(NULL, AV_LOG_ERROR, "You have to specify one input file.\n");
3055 av_log(NULL, AV_LOG_ERROR, "Use -h to get full help or, even better, run 'man %s'.\n", program_name);
3056 ret = AVERROR(EINVAL);
3057 } else if (input_filename) {
3058 ret = probe_file(wctx, input_filename);
3059 if (ret < 0 && do_show_error)
3060 show_error(wctx, ret);
3063 writer_print_section_footer(wctx);
3064 writer_close(&wctx);
3068 av_freep(&print_format);
3069 av_freep(&read_intervals);
3070 av_hash_freep(&hash);
3073 for (i = 0; i < FF_ARRAY_ELEMS(sections); i++)
3074 av_dict_free(&(sections[i].entries_to_show));
3076 avformat_network_deinit();