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ffprobe.c
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1 /*
2  * Copyright (c) 2007-2010 Stefano Sabatini
3  *
4  * This file is part of FFmpeg.
5  *
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.
10  *
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.
15  *
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
19  */
20 
21 /**
22  * @file
23  * simple media prober based on the FFmpeg libraries
24  */
25 
26 #include "config.h"
27 #include "libavutil/ffversion.h"
28 
29 #include <string.h>
30 
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/display.h"
37 #include "libavutil/hash.h"
39 #include "libavutil/opt.h"
40 #include "libavutil/pixdesc.h"
41 #include "libavutil/spherical.h"
42 #include "libavutil/stereo3d.h"
43 #include "libavutil/dict.h"
44 #include "libavutil/intreadwrite.h"
45 #include "libavutil/libm.h"
46 #include "libavutil/parseutils.h"
47 #include "libavutil/timecode.h"
48 #include "libavutil/timestamp.h"
49 #include "libavdevice/avdevice.h"
50 #include "libswscale/swscale.h"
53 #include "cmdutils.h"
54 
55 #include "libavutil/thread.h"
56 
57 #if !HAVE_THREADS
58 # ifdef pthread_mutex_lock
59 # undef pthread_mutex_lock
60 # endif
61 # define pthread_mutex_lock(a) do{}while(0)
62 # ifdef pthread_mutex_unlock
63 # undef pthread_mutex_unlock
64 # endif
65 # define pthread_mutex_unlock(a) do{}while(0)
66 #endif
67 
68 typedef struct InputStream {
69  AVStream *st;
70 
72 } InputStream;
73 
74 typedef struct InputFile {
76 
78  int nb_streams;
79 } InputFile;
80 
81 const char program_name[] = "ffprobe";
82 const int program_birth_year = 2007;
83 
84 static int do_bitexact = 0;
85 static int do_count_frames = 0;
86 static int do_count_packets = 0;
87 static int do_read_frames = 0;
88 static int do_read_packets = 0;
89 static int do_show_chapters = 0;
90 static int do_show_error = 0;
91 static int do_show_format = 0;
92 static int do_show_frames = 0;
93 static int do_show_packets = 0;
94 static int do_show_programs = 0;
95 static int do_show_streams = 0;
97 static int do_show_data = 0;
98 static int do_show_program_version = 0;
99 static int do_show_library_versions = 0;
100 static int do_show_pixel_formats = 0;
103 static int do_show_log = 0;
104 
105 static int do_show_chapter_tags = 0;
106 static int do_show_format_tags = 0;
107 static int do_show_frame_tags = 0;
108 static int do_show_program_tags = 0;
109 static int do_show_stream_tags = 0;
110 static int do_show_packet_tags = 0;
111 
112 static int show_value_unit = 0;
113 static int use_value_prefix = 0;
116 static int show_private_data = 1;
117 
118 static char *print_format;
119 static char *stream_specifier;
120 static char *show_data_hash;
121 
122 typedef struct ReadInterval {
123  int id; ///< identifier
124  int64_t start, end; ///< start, end in second/AV_TIME_BASE units
128 } ReadInterval;
129 
131 static int read_intervals_nb = 0;
132 
133 static int find_stream_info = 1;
134 
135 /* section structure definition */
136 
137 #define SECTION_MAX_NB_CHILDREN 10
138 
139 struct section {
140  int id; ///< unique id identifying a section
141  const char *name;
142 
143 #define SECTION_FLAG_IS_WRAPPER 1 ///< the section only contains other sections, but has no data at its own level
144 #define SECTION_FLAG_IS_ARRAY 2 ///< the section contains an array of elements of the same type
145 #define SECTION_FLAG_HAS_VARIABLE_FIELDS 4 ///< the section may contain a variable number of fields with variable keys.
146  /// For these sections the element_name field is mandatory.
147  int flags;
148  int children_ids[SECTION_MAX_NB_CHILDREN+1]; ///< list of children section IDS, terminated by -1
149  const char *element_name; ///< name of the contained element, if provided
150  const char *unique_name; ///< unique section name, in case the name is ambiguous
153 };
154 
155 typedef enum {
199 } SectionID;
200 
201 static struct section sections[] = {
203  [SECTION_ID_CHAPTER] = { SECTION_ID_CHAPTER, "chapter", 0, { SECTION_ID_CHAPTER_TAGS, -1 } },
204  [SECTION_ID_CHAPTER_TAGS] = { SECTION_ID_CHAPTER_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "chapter_tags" },
205  [SECTION_ID_ERROR] = { SECTION_ID_ERROR, "error", 0, { -1 } },
206  [SECTION_ID_FORMAT] = { SECTION_ID_FORMAT, "format", 0, { SECTION_ID_FORMAT_TAGS, -1 } },
207  [SECTION_ID_FORMAT_TAGS] = { SECTION_ID_FORMAT_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "format_tags" },
210  [SECTION_ID_FRAME_TAGS] = { SECTION_ID_FRAME_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "frame_tags" },
211  [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 }, .element_name = "side_data", .unique_name = "frame_side_data_list" },
212  [SECTION_ID_FRAME_SIDE_DATA] = { SECTION_ID_FRAME_SIDE_DATA, "side_data", 0, { -1 } },
214  [SECTION_ID_FRAME_LOG] = { SECTION_ID_FRAME_LOG, "log", 0, { -1 }, },
216  [SECTION_ID_LIBRARY_VERSION] = { SECTION_ID_LIBRARY_VERSION, "library_version", 0, { -1 } },
220  [SECTION_ID_PACKET_TAGS] = { SECTION_ID_PACKET_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "packet_tags" },
221  [SECTION_ID_PACKET_SIDE_DATA_LIST] ={ SECTION_ID_PACKET_SIDE_DATA_LIST, "side_data_list", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PACKET_SIDE_DATA, -1 }, .element_name = "side_data", .unique_name = "packet_side_data_list" },
222  [SECTION_ID_PACKET_SIDE_DATA] = { SECTION_ID_PACKET_SIDE_DATA, "side_data", 0, { -1 } },
225  [SECTION_ID_PIXEL_FORMAT_FLAGS] = { SECTION_ID_PIXEL_FORMAT_FLAGS, "flags", 0, { -1 }, .unique_name = "pixel_format_flags" },
226  [SECTION_ID_PIXEL_FORMAT_COMPONENTS] = { SECTION_ID_PIXEL_FORMAT_COMPONENTS, "components", SECTION_FLAG_IS_ARRAY, {SECTION_ID_PIXEL_FORMAT_COMPONENT, -1 }, .unique_name = "pixel_format_components" },
228  [SECTION_ID_PROGRAM_STREAM_DISPOSITION] = { SECTION_ID_PROGRAM_STREAM_DISPOSITION, "disposition", 0, { -1 }, .unique_name = "program_stream_disposition" },
229  [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" },
231  [SECTION_ID_PROGRAM_STREAMS] = { SECTION_ID_PROGRAM_STREAMS, "streams", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PROGRAM_STREAM, -1 }, .unique_name = "program_streams" },
233  [SECTION_ID_PROGRAM_TAGS] = { SECTION_ID_PROGRAM_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "program_tags" },
234  [SECTION_ID_PROGRAM_VERSION] = { SECTION_ID_PROGRAM_VERSION, "program_version", 0, { -1 } },
242  [SECTION_ID_STREAM_DISPOSITION] = { SECTION_ID_STREAM_DISPOSITION, "disposition", 0, { -1 }, .unique_name = "stream_disposition" },
243  [SECTION_ID_STREAM_TAGS] = { SECTION_ID_STREAM_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "stream_tags" },
244  [SECTION_ID_STREAM_SIDE_DATA_LIST] ={ SECTION_ID_STREAM_SIDE_DATA_LIST, "side_data_list", SECTION_FLAG_IS_ARRAY, { SECTION_ID_STREAM_SIDE_DATA, -1 }, .element_name = "side_data", .unique_name = "stream_side_data_list" },
245  [SECTION_ID_STREAM_SIDE_DATA] = { SECTION_ID_STREAM_SIDE_DATA, "side_data", 0, { -1 } },
246  [SECTION_ID_SUBTITLE] = { SECTION_ID_SUBTITLE, "subtitle", 0, { -1 } },
247 };
248 
249 static const OptionDef *options;
250 
251 /* FFprobe context */
252 static const char *input_filename;
254 
255 static struct AVHashContext *hash;
256 
257 static const struct {
258  double bin_val;
259  double dec_val;
260  const char *bin_str;
261  const char *dec_str;
262 } si_prefixes[] = {
263  { 1.0, 1.0, "", "" },
264  { 1.024e3, 1e3, "Ki", "K" },
265  { 1.048576e6, 1e6, "Mi", "M" },
266  { 1.073741824e9, 1e9, "Gi", "G" },
267  { 1.099511627776e12, 1e12, "Ti", "T" },
268  { 1.125899906842624e15, 1e15, "Pi", "P" },
269 };
270 
271 static const char unit_second_str[] = "s" ;
272 static const char unit_hertz_str[] = "Hz" ;
273 static const char unit_byte_str[] = "byte" ;
274 static const char unit_bit_per_second_str[] = "bit/s";
275 
276 static int nb_streams;
277 static uint64_t *nb_streams_packets;
278 static uint64_t *nb_streams_frames;
279 static int *selected_streams;
280 
281 #if HAVE_THREADS
282 pthread_mutex_t log_mutex;
283 #endif
284 typedef struct LogBuffer {
287  char *log_message;
289  char *parent_name;
291 }LogBuffer;
292 
294 static int log_buffer_size;
295 
296 static void log_callback(void *ptr, int level, const char *fmt, va_list vl)
297 {
298  AVClass* avc = ptr ? *(AVClass **) ptr : NULL;
299  va_list vl2;
300  char line[1024];
301  static int print_prefix = 1;
302  void *new_log_buffer;
303 
304  va_copy(vl2, vl);
305  av_log_default_callback(ptr, level, fmt, vl);
306  av_log_format_line(ptr, level, fmt, vl2, line, sizeof(line), &print_prefix);
307  va_end(vl2);
308 
309 #if HAVE_THREADS
310  pthread_mutex_lock(&log_mutex);
311 
312  new_log_buffer = av_realloc_array(log_buffer, log_buffer_size + 1, sizeof(*log_buffer));
313  if (new_log_buffer) {
314  char *msg;
315  int i;
316 
317  log_buffer = new_log_buffer;
318  memset(&log_buffer[log_buffer_size], 0, sizeof(log_buffer[log_buffer_size]));
319  log_buffer[log_buffer_size].context_name= avc ? av_strdup(avc->item_name(ptr)) : NULL;
320  if (avc) {
321  if (avc->get_category) log_buffer[log_buffer_size].category = avc->get_category(ptr);
322  else log_buffer[log_buffer_size].category = avc->category;
323  }
324  log_buffer[log_buffer_size].log_level = level;
325  msg = log_buffer[log_buffer_size].log_message = av_strdup(line);
326  for (i=strlen(msg) - 1; i>=0 && msg[i] == '\n'; i--) {
327  msg[i] = 0;
328  }
329  if (avc && avc->parent_log_context_offset) {
330  AVClass** parent = *(AVClass ***) (((uint8_t *) ptr) +
332  if (parent && *parent) {
333  log_buffer[log_buffer_size].parent_name = av_strdup((*parent)->item_name(parent));
334  log_buffer[log_buffer_size].parent_category =
335  (*parent)->get_category ? (*parent)->get_category(parent) :(*parent)->category;
336  }
337  }
338  log_buffer_size ++;
339  }
340 
341  pthread_mutex_unlock(&log_mutex);
342 #endif
343 }
344 
345 static void ffprobe_cleanup(int ret)
346 {
347  int i;
348  for (i = 0; i < FF_ARRAY_ELEMS(sections); i++)
349  av_dict_free(&(sections[i].entries_to_show));
350 
351 #if HAVE_THREADS
352  pthread_mutex_destroy(&log_mutex);
353 #endif
354 }
355 
356 struct unit_value {
357  union { double d; long long int i; } val;
358  const char *unit;
359 };
360 
361 static char *value_string(char *buf, int buf_size, struct unit_value uv)
362 {
363  double vald;
364  long long int vali;
365  int show_float = 0;
366 
367  if (uv.unit == unit_second_str) {
368  vald = uv.val.d;
369  show_float = 1;
370  } else {
371  vald = vali = uv.val.i;
372  }
373 
375  double secs;
376  int hours, mins;
377  secs = vald;
378  mins = (int)secs / 60;
379  secs = secs - mins * 60;
380  hours = mins / 60;
381  mins %= 60;
382  snprintf(buf, buf_size, "%d:%02d:%09.6f", hours, mins, secs);
383  } else {
384  const char *prefix_string = "";
385 
386  if (use_value_prefix && vald > 1) {
387  long long int index;
388 
390  index = (long long int) (log2(vald)) / 10;
391  index = av_clip(index, 0, FF_ARRAY_ELEMS(si_prefixes) - 1);
392  vald /= si_prefixes[index].bin_val;
393  prefix_string = si_prefixes[index].bin_str;
394  } else {
395  index = (long long int) (log10(vald)) / 3;
396  index = av_clip(index, 0, FF_ARRAY_ELEMS(si_prefixes) - 1);
397  vald /= si_prefixes[index].dec_val;
398  prefix_string = si_prefixes[index].dec_str;
399  }
400  vali = vald;
401  }
402 
403  if (show_float || (use_value_prefix && vald != (long long int)vald))
404  snprintf(buf, buf_size, "%f", vald);
405  else
406  snprintf(buf, buf_size, "%lld", vali);
407  av_strlcatf(buf, buf_size, "%s%s%s", *prefix_string || show_value_unit ? " " : "",
408  prefix_string, show_value_unit ? uv.unit : "");
409  }
410 
411  return buf;
412 }
413 
414 /* WRITERS API */
415 
416 typedef struct WriterContext WriterContext;
417 
418 #define WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS 1
419 #define WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER 2
420 
421 typedef enum {
427 
428 typedef struct Writer {
429  const AVClass *priv_class; ///< private class of the writer, if any
430  int priv_size; ///< private size for the writer context
431  const char *name;
432 
433  int (*init) (WriterContext *wctx);
435 
438  void (*print_integer) (WriterContext *wctx, const char *, long long int);
439  void (*print_rational) (WriterContext *wctx, AVRational *q, char *sep);
440  void (*print_string) (WriterContext *wctx, const char *, const char *);
441  int flags; ///< a combination or WRITER_FLAG_*
442 } Writer;
443 
444 #define SECTION_MAX_NB_LEVELS 10
445 
447  const AVClass *class; ///< class of the writer
448  const Writer *writer; ///< the Writer of which this is an instance
449  char *name; ///< name of this writer instance
450  void *priv; ///< private data for use by the filter
451 
452  const struct section *sections; ///< array containing all sections
453  int nb_sections; ///< number of sections
454 
455  int level; ///< current level, starting from 0
456 
457  /** number of the item printed in the given section, starting from 0 */
459 
460  /** section per each level */
462  AVBPrint section_pbuf[SECTION_MAX_NB_LEVELS]; ///< generic print buffer dedicated to each section,
463  /// used by various writers
464 
465  unsigned int nb_section_packet; ///< number of the packet section in case we are in "packets_and_frames" section
466  unsigned int nb_section_frame; ///< number of the frame section in case we are in "packets_and_frames" section
467  unsigned int nb_section_packet_frame; ///< nb_section_packet or nb_section_frame according if is_packets_and_frames
468 
472 };
473 
474 static const char *writer_get_name(void *p)
475 {
476  WriterContext *wctx = p;
477  return wctx->writer->name;
478 }
479 
480 #define OFFSET(x) offsetof(WriterContext, x)
481 
482 static const AVOption writer_options[] = {
483  { "string_validation", "set string validation mode",
484  OFFSET(string_validation), AV_OPT_TYPE_INT, {.i64=WRITER_STRING_VALIDATION_REPLACE}, 0, WRITER_STRING_VALIDATION_NB-1, .unit = "sv" },
485  { "sv", "set string validation mode",
486  OFFSET(string_validation), AV_OPT_TYPE_INT, {.i64=WRITER_STRING_VALIDATION_REPLACE}, 0, WRITER_STRING_VALIDATION_NB-1, .unit = "sv" },
487  { "ignore", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = WRITER_STRING_VALIDATION_IGNORE}, .unit = "sv" },
488  { "replace", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = WRITER_STRING_VALIDATION_REPLACE}, .unit = "sv" },
489  { "fail", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = WRITER_STRING_VALIDATION_FAIL}, .unit = "sv" },
490  { "string_validation_replacement", "set string validation replacement string", OFFSET(string_validation_replacement), AV_OPT_TYPE_STRING, {.str=""}},
491  { "svr", "set string validation replacement string", OFFSET(string_validation_replacement), AV_OPT_TYPE_STRING, {.str="\xEF\xBF\xBD"}},
492  { NULL }
493 };
494 
495 static void *writer_child_next(void *obj, void *prev)
496 {
497  WriterContext *ctx = obj;
498  if (!prev && ctx->writer && ctx->writer->priv_class && ctx->priv)
499  return ctx->priv;
500  return NULL;
501 }
502 
503 static const AVClass writer_class = {
504  .class_name = "Writer",
505  .item_name = writer_get_name,
506  .option = writer_options,
507  .version = LIBAVUTIL_VERSION_INT,
508  .child_next = writer_child_next,
509 };
510 
511 static void writer_close(WriterContext **wctx)
512 {
513  int i;
514 
515  if (!*wctx)
516  return;
517 
518  if ((*wctx)->writer->uninit)
519  (*wctx)->writer->uninit(*wctx);
520  for (i = 0; i < SECTION_MAX_NB_LEVELS; i++)
521  av_bprint_finalize(&(*wctx)->section_pbuf[i], NULL);
522  if ((*wctx)->writer->priv_class)
523  av_opt_free((*wctx)->priv);
524  av_freep(&((*wctx)->priv));
525  av_opt_free(*wctx);
526  av_freep(wctx);
527 }
528 
529 static void bprint_bytes(AVBPrint *bp, const uint8_t *ubuf, size_t ubuf_size)
530 {
531  int i;
532  av_bprintf(bp, "0X");
533  for (i = 0; i < ubuf_size; i++)
534  av_bprintf(bp, "%02X", ubuf[i]);
535 }
536 
537 
538 static int writer_open(WriterContext **wctx, const Writer *writer, const char *args,
539  const struct section *sections, int nb_sections)
540 {
541  int i, ret = 0;
542 
543  if (!(*wctx = av_mallocz(sizeof(WriterContext)))) {
544  ret = AVERROR(ENOMEM);
545  goto fail;
546  }
547 
548  if (!((*wctx)->priv = av_mallocz(writer->priv_size))) {
549  ret = AVERROR(ENOMEM);
550  goto fail;
551  }
552 
553  (*wctx)->class = &writer_class;
554  (*wctx)->writer = writer;
555  (*wctx)->level = -1;
556  (*wctx)->sections = sections;
557  (*wctx)->nb_sections = nb_sections;
558 
559  av_opt_set_defaults(*wctx);
560 
561  if (writer->priv_class) {
562  void *priv_ctx = (*wctx)->priv;
563  *((const AVClass **)priv_ctx) = writer->priv_class;
564  av_opt_set_defaults(priv_ctx);
565  }
566 
567  /* convert options to dictionary */
568  if (args) {
570  AVDictionaryEntry *opt = NULL;
571 
572  if ((ret = av_dict_parse_string(&opts, args, "=", ":", 0)) < 0) {
573  av_log(*wctx, AV_LOG_ERROR, "Failed to parse option string '%s' provided to writer context\n", args);
574  av_dict_free(&opts);
575  goto fail;
576  }
577 
578  while ((opt = av_dict_get(opts, "", opt, AV_DICT_IGNORE_SUFFIX))) {
579  if ((ret = av_opt_set(*wctx, opt->key, opt->value, AV_OPT_SEARCH_CHILDREN)) < 0) {
580  av_log(*wctx, AV_LOG_ERROR, "Failed to set option '%s' with value '%s' provided to writer context\n",
581  opt->key, opt->value);
582  av_dict_free(&opts);
583  goto fail;
584  }
585  }
586 
587  av_dict_free(&opts);
588  }
589 
590  /* validate replace string */
591  {
592  const uint8_t *p = (*wctx)->string_validation_replacement;
593  const uint8_t *endp = p + strlen(p);
594  while (*p) {
595  const uint8_t *p0 = p;
596  int32_t code;
597  ret = av_utf8_decode(&code, &p, endp, (*wctx)->string_validation_utf8_flags);
598  if (ret < 0) {
599  AVBPrint bp;
601  bprint_bytes(&bp, p0, p-p0),
602  av_log(wctx, AV_LOG_ERROR,
603  "Invalid UTF8 sequence %s found in string validation replace '%s'\n",
604  bp.str, (*wctx)->string_validation_replacement);
605  return ret;
606  }
607  }
608  }
609 
610  for (i = 0; i < SECTION_MAX_NB_LEVELS; i++)
611  av_bprint_init(&(*wctx)->section_pbuf[i], 1, AV_BPRINT_SIZE_UNLIMITED);
612 
613  if ((*wctx)->writer->init)
614  ret = (*wctx)->writer->init(*wctx);
615  if (ret < 0)
616  goto fail;
617 
618  return 0;
619 
620 fail:
621  writer_close(wctx);
622  return ret;
623 }
624 
626  int section_id)
627 {
628  int parent_section_id;
629  wctx->level++;
631  parent_section_id = wctx->level ?
632  (wctx->section[wctx->level-1])->id : SECTION_ID_NONE;
633 
634  wctx->nb_item[wctx->level] = 0;
635  wctx->section[wctx->level] = &wctx->sections[section_id];
636 
637  if (section_id == SECTION_ID_PACKETS_AND_FRAMES) {
638  wctx->nb_section_packet = wctx->nb_section_frame =
639  wctx->nb_section_packet_frame = 0;
640  } else if (parent_section_id == SECTION_ID_PACKETS_AND_FRAMES) {
641  wctx->nb_section_packet_frame = section_id == SECTION_ID_PACKET ?
642  wctx->nb_section_packet : wctx->nb_section_frame;
643  }
644 
645  if (wctx->writer->print_section_header)
646  wctx->writer->print_section_header(wctx);
647 }
648 
650 {
651  int section_id = wctx->section[wctx->level]->id;
652  int parent_section_id = wctx->level ?
653  wctx->section[wctx->level-1]->id : SECTION_ID_NONE;
654 
655  if (parent_section_id != SECTION_ID_NONE)
656  wctx->nb_item[wctx->level-1]++;
657  if (parent_section_id == SECTION_ID_PACKETS_AND_FRAMES) {
658  if (section_id == SECTION_ID_PACKET) wctx->nb_section_packet++;
659  else wctx->nb_section_frame++;
660  }
661  if (wctx->writer->print_section_footer)
662  wctx->writer->print_section_footer(wctx);
663  wctx->level--;
664 }
665 
666 static inline void writer_print_integer(WriterContext *wctx,
667  const char *key, long long int val)
668 {
669  const struct section *section = wctx->section[wctx->level];
670 
671  if (section->show_all_entries || av_dict_get(section->entries_to_show, key, NULL, 0)) {
672  wctx->writer->print_integer(wctx, key, val);
673  wctx->nb_item[wctx->level]++;
674  }
675 }
676 
677 static inline int validate_string(WriterContext *wctx, char **dstp, const char *src)
678 {
679  const uint8_t *p, *endp;
680  AVBPrint dstbuf;
681  int invalid_chars_nb = 0, ret = 0;
682 
684 
685  endp = src + strlen(src);
686  for (p = (uint8_t *)src; *p;) {
687  uint32_t code;
688  int invalid = 0;
689  const uint8_t *p0 = p;
690 
691  if (av_utf8_decode(&code, &p, endp, wctx->string_validation_utf8_flags) < 0) {
692  AVBPrint bp;
694  bprint_bytes(&bp, p0, p-p0);
695  av_log(wctx, AV_LOG_DEBUG,
696  "Invalid UTF-8 sequence %s found in string '%s'\n", bp.str, src);
697  invalid = 1;
698  }
699 
700  if (invalid) {
701  invalid_chars_nb++;
702 
703  switch (wctx->string_validation) {
705  av_log(wctx, AV_LOG_ERROR,
706  "Invalid UTF-8 sequence found in string '%s'\n", src);
707  ret = AVERROR_INVALIDDATA;
708  goto end;
709  break;
710 
712  av_bprintf(&dstbuf, "%s", wctx->string_validation_replacement);
713  break;
714  }
715  }
716 
717  if (!invalid || wctx->string_validation == WRITER_STRING_VALIDATION_IGNORE)
718  av_bprint_append_data(&dstbuf, p0, p-p0);
719  }
720 
721  if (invalid_chars_nb && wctx->string_validation == WRITER_STRING_VALIDATION_REPLACE) {
722  av_log(wctx, AV_LOG_WARNING,
723  "%d invalid UTF-8 sequence(s) found in string '%s', replaced with '%s'\n",
724  invalid_chars_nb, src, wctx->string_validation_replacement);
725  }
726 
727 end:
728  av_bprint_finalize(&dstbuf, dstp);
729  return ret;
730 }
731 
732 #define PRINT_STRING_OPT 1
733 #define PRINT_STRING_VALIDATE 2
734 
735 static inline int writer_print_string(WriterContext *wctx,
736  const char *key, const char *val, int flags)
737 {
738  const struct section *section = wctx->section[wctx->level];
739  int ret = 0;
740 
741  if ((flags & PRINT_STRING_OPT)
743  return 0;
744 
745  if (section->show_all_entries || av_dict_get(section->entries_to_show, key, NULL, 0)) {
746  if (flags & PRINT_STRING_VALIDATE) {
747  char *key1 = NULL, *val1 = NULL;
748  ret = validate_string(wctx, &key1, key);
749  if (ret < 0) goto end;
750  ret = validate_string(wctx, &val1, val);
751  if (ret < 0) goto end;
752  wctx->writer->print_string(wctx, key1, val1);
753  end:
754  if (ret < 0) {
755  av_log(wctx, AV_LOG_ERROR,
756  "Invalid key=value string combination %s=%s in section %s\n",
757  key, val, section->unique_name);
758  }
759  av_free(key1);
760  av_free(val1);
761  } else {
762  wctx->writer->print_string(wctx, key, val);
763  }
764 
765  wctx->nb_item[wctx->level]++;
766  }
767 
768  return ret;
769 }
770 
771 static inline void writer_print_rational(WriterContext *wctx,
772  const char *key, AVRational q, char sep)
773 {
774  AVBPrint buf;
776  av_bprintf(&buf, "%d%c%d", q.num, sep, q.den);
777  writer_print_string(wctx, key, buf.str, 0);
778 }
779 
780 static void writer_print_time(WriterContext *wctx, const char *key,
781  int64_t ts, const AVRational *time_base, int is_duration)
782 {
783  char buf[128];
784 
785  if ((!is_duration && ts == AV_NOPTS_VALUE) || (is_duration && ts == 0)) {
786  writer_print_string(wctx, key, "N/A", PRINT_STRING_OPT);
787  } else {
788  double d = ts * av_q2d(*time_base);
789  struct unit_value uv;
790  uv.val.d = d;
791  uv.unit = unit_second_str;
792  value_string(buf, sizeof(buf), uv);
793  writer_print_string(wctx, key, buf, 0);
794  }
795 }
796 
797 static void writer_print_ts(WriterContext *wctx, const char *key, int64_t ts, int is_duration)
798 {
799  if ((!is_duration && ts == AV_NOPTS_VALUE) || (is_duration && ts == 0)) {
800  writer_print_string(wctx, key, "N/A", PRINT_STRING_OPT);
801  } else {
802  writer_print_integer(wctx, key, ts);
803  }
804 }
805 
806 static void writer_print_data(WriterContext *wctx, const char *name,
807  uint8_t *data, int size)
808 {
809  AVBPrint bp;
810  int offset = 0, l, i;
811 
813  av_bprintf(&bp, "\n");
814  while (size) {
815  av_bprintf(&bp, "%08x: ", offset);
816  l = FFMIN(size, 16);
817  for (i = 0; i < l; i++) {
818  av_bprintf(&bp, "%02x", data[i]);
819  if (i & 1)
820  av_bprintf(&bp, " ");
821  }
822  av_bprint_chars(&bp, ' ', 41 - 2 * i - i / 2);
823  for (i = 0; i < l; i++)
824  av_bprint_chars(&bp, data[i] - 32U < 95 ? data[i] : '.', 1);
825  av_bprintf(&bp, "\n");
826  offset += l;
827  data += l;
828  size -= l;
829  }
830  writer_print_string(wctx, name, bp.str, 0);
831  av_bprint_finalize(&bp, NULL);
832 }
833 
834 static void writer_print_data_hash(WriterContext *wctx, const char *name,
835  uint8_t *data, int size)
836 {
837  char *p, buf[AV_HASH_MAX_SIZE * 2 + 64] = { 0 };
838 
839  if (!hash)
840  return;
841  av_hash_init(hash);
842  av_hash_update(hash, data, size);
843  snprintf(buf, sizeof(buf), "%s:", av_hash_get_name(hash));
844  p = buf + strlen(buf);
845  av_hash_final_hex(hash, p, buf + sizeof(buf) - p);
846  writer_print_string(wctx, name, buf, 0);
847 }
848 
849 static void writer_print_integers(WriterContext *wctx, const char *name,
850  uint8_t *data, int size, const char *format,
851  int columns, int bytes, int offset_add)
852 {
853  AVBPrint bp;
854  int offset = 0, l, i;
855 
857  av_bprintf(&bp, "\n");
858  while (size) {
859  av_bprintf(&bp, "%08x: ", offset);
860  l = FFMIN(size, columns);
861  for (i = 0; i < l; i++) {
862  if (bytes == 1) av_bprintf(&bp, format, *data);
863  else if (bytes == 2) av_bprintf(&bp, format, AV_RN16(data));
864  else if (bytes == 4) av_bprintf(&bp, format, AV_RN32(data));
865  data += bytes;
866  size --;
867  }
868  av_bprintf(&bp, "\n");
869  offset += offset_add;
870  }
871  writer_print_string(wctx, name, bp.str, 0);
872  av_bprint_finalize(&bp, NULL);
873 }
874 
875 #define MAX_REGISTERED_WRITERS_NB 64
876 
878 
879 static int writer_register(const Writer *writer)
880 {
881  static int next_registered_writer_idx = 0;
882 
883  if (next_registered_writer_idx == MAX_REGISTERED_WRITERS_NB)
884  return AVERROR(ENOMEM);
885 
886  registered_writers[next_registered_writer_idx++] = writer;
887  return 0;
888 }
889 
890 static const Writer *writer_get_by_name(const char *name)
891 {
892  int i;
893 
894  for (i = 0; registered_writers[i]; i++)
895  if (!strcmp(registered_writers[i]->name, name))
896  return registered_writers[i];
897 
898  return NULL;
899 }
900 
901 
902 /* WRITERS */
903 
904 #define DEFINE_WRITER_CLASS(name) \
905 static const char *name##_get_name(void *ctx) \
906 { \
907  return #name ; \
908 } \
909 static const AVClass name##_class = { \
910  .class_name = #name, \
911  .item_name = name##_get_name, \
912  .option = name##_options \
913 }
914 
915 /* Default output */
916 
917 typedef struct DefaultContext {
918  const AVClass *class;
919  int nokey;
923 
924 #undef OFFSET
925 #define OFFSET(x) offsetof(DefaultContext, x)
926 
927 static const AVOption default_options[] = {
928  { "noprint_wrappers", "do not print headers and footers", OFFSET(noprint_wrappers), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
929  { "nw", "do not print headers and footers", OFFSET(noprint_wrappers), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
930  { "nokey", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
931  { "nk", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
932  {NULL},
933 };
934 
935 DEFINE_WRITER_CLASS(default);
936 
937 /* lame uppercasing routine, assumes the string is lower case ASCII */
938 static inline char *upcase_string(char *dst, size_t dst_size, const char *src)
939 {
940  int i;
941  for (i = 0; src[i] && i < dst_size-1; i++)
942  dst[i] = av_toupper(src[i]);
943  dst[i] = 0;
944  return dst;
945 }
946 
948 {
949  DefaultContext *def = wctx->priv;
950  char buf[32];
951  const struct section *section = wctx->section[wctx->level];
952  const struct section *parent_section = wctx->level ?
953  wctx->section[wctx->level-1] : NULL;
954 
955  av_bprint_clear(&wctx->section_pbuf[wctx->level]);
956  if (parent_section &&
957  !(parent_section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY))) {
958  def->nested_section[wctx->level] = 1;
959  av_bprintf(&wctx->section_pbuf[wctx->level], "%s%s:",
960  wctx->section_pbuf[wctx->level-1].str,
961  upcase_string(buf, sizeof(buf),
962  av_x_if_null(section->element_name, section->name)));
963  }
964 
965  if (def->noprint_wrappers || def->nested_section[wctx->level])
966  return;
967 
969  printf("[%s]\n", upcase_string(buf, sizeof(buf), section->name));
970 }
971 
973 {
974  DefaultContext *def = wctx->priv;
975  const struct section *section = wctx->section[wctx->level];
976  char buf[32];
977 
978  if (def->noprint_wrappers || def->nested_section[wctx->level])
979  return;
980 
982  printf("[/%s]\n", upcase_string(buf, sizeof(buf), section->name));
983 }
984 
985 static void default_print_str(WriterContext *wctx, const char *key, const char *value)
986 {
987  DefaultContext *def = wctx->priv;
988 
989  if (!def->nokey)
990  printf("%s%s=", wctx->section_pbuf[wctx->level].str, key);
991  printf("%s\n", value);
992 }
993 
994 static void default_print_int(WriterContext *wctx, const char *key, long long int value)
995 {
996  DefaultContext *def = wctx->priv;
997 
998  if (!def->nokey)
999  printf("%s%s=", wctx->section_pbuf[wctx->level].str, key);
1000  printf("%lld\n", value);
1001 }
1002 
1003 static const Writer default_writer = {
1004  .name = "default",
1005  .priv_size = sizeof(DefaultContext),
1008  .print_integer = default_print_int,
1009  .print_string = default_print_str,
1011  .priv_class = &default_class,
1012 };
1013 
1014 /* Compact output */
1015 
1016 /**
1017  * Apply C-language-like string escaping.
1018  */
1019 static const char *c_escape_str(AVBPrint *dst, const char *src, const char sep, void *log_ctx)
1020 {
1021  const char *p;
1022 
1023  for (p = src; *p; p++) {
1024  switch (*p) {
1025  case '\b': av_bprintf(dst, "%s", "\\b"); break;
1026  case '\f': av_bprintf(dst, "%s", "\\f"); break;
1027  case '\n': av_bprintf(dst, "%s", "\\n"); break;
1028  case '\r': av_bprintf(dst, "%s", "\\r"); break;
1029  case '\\': av_bprintf(dst, "%s", "\\\\"); break;
1030  default:
1031  if (*p == sep)
1032  av_bprint_chars(dst, '\\', 1);
1033  av_bprint_chars(dst, *p, 1);
1034  }
1035  }
1036  return dst->str;
1037 }
1038 
1039 /**
1040  * Quote fields containing special characters, check RFC4180.
1041  */
1042 static const char *csv_escape_str(AVBPrint *dst, const char *src, const char sep, void *log_ctx)
1043 {
1044  char meta_chars[] = { sep, '"', '\n', '\r', '\0' };
1045  int needs_quoting = !!src[strcspn(src, meta_chars)];
1046 
1047  if (needs_quoting)
1048  av_bprint_chars(dst, '"', 1);
1049 
1050  for (; *src; src++) {
1051  if (*src == '"')
1052  av_bprint_chars(dst, '"', 1);
1053  av_bprint_chars(dst, *src, 1);
1054  }
1055  if (needs_quoting)
1056  av_bprint_chars(dst, '"', 1);
1057  return dst->str;
1058 }
1059 
1060 static const char *none_escape_str(AVBPrint *dst, const char *src, const char sep, void *log_ctx)
1061 {
1062  return src;
1063 }
1064 
1065 typedef struct CompactContext {
1066  const AVClass *class;
1068  char item_sep;
1069  int nokey;
1072  const char * (*escape_str)(AVBPrint *dst, const char *src, const char sep, void *log_ctx);
1076 } CompactContext;
1077 
1078 #undef OFFSET
1079 #define OFFSET(x) offsetof(CompactContext, x)
1080 
1081 static const AVOption compact_options[]= {
1082  {"item_sep", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str="|"}, CHAR_MIN, CHAR_MAX },
1083  {"s", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str="|"}, CHAR_MIN, CHAR_MAX },
1084  {"nokey", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
1085  {"nk", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
1086  {"escape", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="c"}, CHAR_MIN, CHAR_MAX },
1087  {"e", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="c"}, CHAR_MIN, CHAR_MAX },
1088  {"print_section", "print section name", OFFSET(print_section), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
1089  {"p", "print section name", OFFSET(print_section), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
1090  {NULL},
1091 };
1092 
1093 DEFINE_WRITER_CLASS(compact);
1094 
1096 {
1097  CompactContext *compact = wctx->priv;
1098 
1099  if (strlen(compact->item_sep_str) != 1) {
1100  av_log(wctx, AV_LOG_ERROR, "Item separator '%s' specified, but must contain a single character\n",
1101  compact->item_sep_str);
1102  return AVERROR(EINVAL);
1103  }
1104  compact->item_sep = compact->item_sep_str[0];
1105 
1106  if (!strcmp(compact->escape_mode_str, "none")) compact->escape_str = none_escape_str;
1107  else if (!strcmp(compact->escape_mode_str, "c" )) compact->escape_str = c_escape_str;
1108  else if (!strcmp(compact->escape_mode_str, "csv" )) compact->escape_str = csv_escape_str;
1109  else {
1110  av_log(wctx, AV_LOG_ERROR, "Unknown escape mode '%s'\n", compact->escape_mode_str);
1111  return AVERROR(EINVAL);
1112  }
1113 
1114  return 0;
1115 }
1116 
1118 {
1119  CompactContext *compact = wctx->priv;
1120  const struct section *section = wctx->section[wctx->level];
1121  const struct section *parent_section = wctx->level ?
1122  wctx->section[wctx->level-1] : NULL;
1123  compact->terminate_line[wctx->level] = 1;
1124  compact->has_nested_elems[wctx->level] = 0;
1125 
1126  av_bprint_clear(&wctx->section_pbuf[wctx->level]);
1127  if (!(section->flags & SECTION_FLAG_IS_ARRAY) && parent_section &&
1128  !(parent_section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY))) {
1129  compact->nested_section[wctx->level] = 1;
1130  compact->has_nested_elems[wctx->level-1] = 1;
1131  av_bprintf(&wctx->section_pbuf[wctx->level], "%s%s:",
1132  wctx->section_pbuf[wctx->level-1].str,
1133  (char *)av_x_if_null(section->element_name, section->name));
1134  wctx->nb_item[wctx->level] = wctx->nb_item[wctx->level-1];
1135  } else {
1136  if (parent_section && compact->has_nested_elems[wctx->level-1] &&
1137  (section->flags & SECTION_FLAG_IS_ARRAY)) {
1138  compact->terminate_line[wctx->level-1] = 0;
1139  printf("\n");
1140  }
1141  if (compact->print_section &&
1143  printf("%s%c", section->name, compact->item_sep);
1144  }
1145 }
1146 
1148 {
1149  CompactContext *compact = wctx->priv;
1150 
1151  if (!compact->nested_section[wctx->level] &&
1152  compact->terminate_line[wctx->level] &&
1154  printf("\n");
1155 }
1156 
1157 static void compact_print_str(WriterContext *wctx, const char *key, const char *value)
1158 {
1159  CompactContext *compact = wctx->priv;
1160  AVBPrint buf;
1161 
1162  if (wctx->nb_item[wctx->level]) printf("%c", compact->item_sep);
1163  if (!compact->nokey)
1164  printf("%s%s=", wctx->section_pbuf[wctx->level].str, key);
1166  printf("%s", compact->escape_str(&buf, value, compact->item_sep, wctx));
1167  av_bprint_finalize(&buf, NULL);
1168 }
1169 
1170 static void compact_print_int(WriterContext *wctx, const char *key, long long int value)
1171 {
1172  CompactContext *compact = wctx->priv;
1173 
1174  if (wctx->nb_item[wctx->level]) printf("%c", compact->item_sep);
1175  if (!compact->nokey)
1176  printf("%s%s=", wctx->section_pbuf[wctx->level].str, key);
1177  printf("%lld", value);
1178 }
1179 
1180 static const Writer compact_writer = {
1181  .name = "compact",
1182  .priv_size = sizeof(CompactContext),
1183  .init = compact_init,
1186  .print_integer = compact_print_int,
1187  .print_string = compact_print_str,
1189  .priv_class = &compact_class,
1190 };
1191 
1192 /* CSV output */
1193 
1194 #undef OFFSET
1195 #define OFFSET(x) offsetof(CompactContext, x)
1196 
1197 static const AVOption csv_options[] = {
1198  {"item_sep", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str=","}, CHAR_MIN, CHAR_MAX },
1199  {"s", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str=","}, CHAR_MIN, CHAR_MAX },
1200  {"nokey", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
1201  {"nk", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
1202  {"escape", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="csv"}, CHAR_MIN, CHAR_MAX },
1203  {"e", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="csv"}, CHAR_MIN, CHAR_MAX },
1204  {"print_section", "print section name", OFFSET(print_section), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
1205  {"p", "print section name", OFFSET(print_section), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
1206  {NULL},
1207 };
1208 
1209 DEFINE_WRITER_CLASS(csv);
1210 
1211 static const Writer csv_writer = {
1212  .name = "csv",
1213  .priv_size = sizeof(CompactContext),
1214  .init = compact_init,
1217  .print_integer = compact_print_int,
1218  .print_string = compact_print_str,
1220  .priv_class = &csv_class,
1221 };
1222 
1223 /* Flat output */
1224 
1225 typedef struct FlatContext {
1226  const AVClass *class;
1227  const char *sep_str;
1228  char sep;
1230 } FlatContext;
1231 
1232 #undef OFFSET
1233 #define OFFSET(x) offsetof(FlatContext, x)
1234 
1235 static const AVOption flat_options[]= {
1236  {"sep_char", "set separator", OFFSET(sep_str), AV_OPT_TYPE_STRING, {.str="."}, CHAR_MIN, CHAR_MAX },
1237  {"s", "set separator", OFFSET(sep_str), AV_OPT_TYPE_STRING, {.str="."}, CHAR_MIN, CHAR_MAX },
1238  {"hierarchical", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
1239  {"h", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
1240  {NULL},
1241 };
1242 
1244 
1246 {
1247  FlatContext *flat = wctx->priv;
1248 
1249  if (strlen(flat->sep_str) != 1) {
1250  av_log(wctx, AV_LOG_ERROR, "Item separator '%s' specified, but must contain a single character\n",
1251  flat->sep_str);
1252  return AVERROR(EINVAL);
1253  }
1254  flat->sep = flat->sep_str[0];
1255 
1256  return 0;
1257 }
1258 
1259 static const char *flat_escape_key_str(AVBPrint *dst, const char *src, const char sep)
1260 {
1261  const char *p;
1262 
1263  for (p = src; *p; p++) {
1264  if (!((*p >= '0' && *p <= '9') ||
1265  (*p >= 'a' && *p <= 'z') ||
1266  (*p >= 'A' && *p <= 'Z')))
1267  av_bprint_chars(dst, '_', 1);
1268  else
1269  av_bprint_chars(dst, *p, 1);
1270  }
1271  return dst->str;
1272 }
1273 
1274 static const char *flat_escape_value_str(AVBPrint *dst, const char *src)
1275 {
1276  const char *p;
1277 
1278  for (p = src; *p; p++) {
1279  switch (*p) {
1280  case '\n': av_bprintf(dst, "%s", "\\n"); break;
1281  case '\r': av_bprintf(dst, "%s", "\\r"); break;
1282  case '\\': av_bprintf(dst, "%s", "\\\\"); break;
1283  case '"': av_bprintf(dst, "%s", "\\\""); break;
1284  case '`': av_bprintf(dst, "%s", "\\`"); break;
1285  case '$': av_bprintf(dst, "%s", "\\$"); break;
1286  default: av_bprint_chars(dst, *p, 1); break;
1287  }
1288  }
1289  return dst->str;
1290 }
1291 
1293 {
1294  FlatContext *flat = wctx->priv;
1295  AVBPrint *buf = &wctx->section_pbuf[wctx->level];
1296  const struct section *section = wctx->section[wctx->level];
1297  const struct section *parent_section = wctx->level ?
1298  wctx->section[wctx->level-1] : NULL;
1299 
1300  /* build section header */
1301  av_bprint_clear(buf);
1302  if (!parent_section)
1303  return;
1304  av_bprintf(buf, "%s", wctx->section_pbuf[wctx->level-1].str);
1305 
1306  if (flat->hierarchical ||
1308  av_bprintf(buf, "%s%s", wctx->section[wctx->level]->name, flat->sep_str);
1309 
1310  if (parent_section->flags & SECTION_FLAG_IS_ARRAY) {
1311  int n = parent_section->id == SECTION_ID_PACKETS_AND_FRAMES ?
1312  wctx->nb_section_packet_frame : wctx->nb_item[wctx->level-1];
1313  av_bprintf(buf, "%d%s", n, flat->sep_str);
1314  }
1315  }
1316 }
1317 
1318 static void flat_print_int(WriterContext *wctx, const char *key, long long int value)
1319 {
1320  printf("%s%s=%lld\n", wctx->section_pbuf[wctx->level].str, key, value);
1321 }
1322 
1323 static void flat_print_str(WriterContext *wctx, const char *key, const char *value)
1324 {
1325  FlatContext *flat = wctx->priv;
1326  AVBPrint buf;
1327 
1328  printf("%s", wctx->section_pbuf[wctx->level].str);
1330  printf("%s=", flat_escape_key_str(&buf, key, flat->sep));
1331  av_bprint_clear(&buf);
1332  printf("\"%s\"\n", flat_escape_value_str(&buf, value));
1333  av_bprint_finalize(&buf, NULL);
1334 }
1335 
1336 static const Writer flat_writer = {
1337  .name = "flat",
1338  .priv_size = sizeof(FlatContext),
1339  .init = flat_init,
1341  .print_integer = flat_print_int,
1342  .print_string = flat_print_str,
1344  .priv_class = &flat_class,
1345 };
1346 
1347 /* INI format output */
1348 
1349 typedef struct INIContext {
1350  const AVClass *class;
1352 } INIContext;
1353 
1354 #undef OFFSET
1355 #define OFFSET(x) offsetof(INIContext, x)
1356 
1357 static const AVOption ini_options[] = {
1358  {"hierarchical", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
1359  {"h", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
1360  {NULL},
1361 };
1362 
1363 DEFINE_WRITER_CLASS(ini);
1364 
1365 static char *ini_escape_str(AVBPrint *dst, const char *src)
1366 {
1367  int i = 0;
1368  char c = 0;
1369 
1370  while (c = src[i++]) {
1371  switch (c) {
1372  case '\b': av_bprintf(dst, "%s", "\\b"); break;
1373  case '\f': av_bprintf(dst, "%s", "\\f"); break;
1374  case '\n': av_bprintf(dst, "%s", "\\n"); break;
1375  case '\r': av_bprintf(dst, "%s", "\\r"); break;
1376  case '\t': av_bprintf(dst, "%s", "\\t"); break;
1377  case '\\':
1378  case '#' :
1379  case '=' :
1380  case ':' : av_bprint_chars(dst, '\\', 1);
1381  default:
1382  if ((unsigned char)c < 32)
1383  av_bprintf(dst, "\\x00%02x", c & 0xff);
1384  else
1385  av_bprint_chars(dst, c, 1);
1386  break;
1387  }
1388  }
1389  return dst->str;
1390 }
1391 
1393 {
1394  INIContext *ini = wctx->priv;
1395  AVBPrint *buf = &wctx->section_pbuf[wctx->level];
1396  const struct section *section = wctx->section[wctx->level];
1397  const struct section *parent_section = wctx->level ?
1398  wctx->section[wctx->level-1] : NULL;
1399 
1400  av_bprint_clear(buf);
1401  if (!parent_section) {
1402  printf("# ffprobe output\n\n");
1403  return;
1404  }
1405 
1406  if (wctx->nb_item[wctx->level-1])
1407  printf("\n");
1408 
1409  av_bprintf(buf, "%s", wctx->section_pbuf[wctx->level-1].str);
1410  if (ini->hierarchical ||
1412  av_bprintf(buf, "%s%s", buf->str[0] ? "." : "", wctx->section[wctx->level]->name);
1413 
1414  if (parent_section->flags & SECTION_FLAG_IS_ARRAY) {
1415  int n = parent_section->id == SECTION_ID_PACKETS_AND_FRAMES ?
1416  wctx->nb_section_packet_frame : wctx->nb_item[wctx->level-1];
1417  av_bprintf(buf, ".%d", n);
1418  }
1419  }
1420 
1422  printf("[%s]\n", buf->str);
1423 }
1424 
1425 static void ini_print_str(WriterContext *wctx, const char *key, const char *value)
1426 {
1427  AVBPrint buf;
1428 
1430  printf("%s=", ini_escape_str(&buf, key));
1431  av_bprint_clear(&buf);
1432  printf("%s\n", ini_escape_str(&buf, value));
1433  av_bprint_finalize(&buf, NULL);
1434 }
1435 
1436 static void ini_print_int(WriterContext *wctx, const char *key, long long int value)
1437 {
1438  printf("%s=%lld\n", key, value);
1439 }
1440 
1441 static const Writer ini_writer = {
1442  .name = "ini",
1443  .priv_size = sizeof(INIContext),
1445  .print_integer = ini_print_int,
1446  .print_string = ini_print_str,
1448  .priv_class = &ini_class,
1449 };
1450 
1451 /* JSON output */
1452 
1453 typedef struct JSONContext {
1454  const AVClass *class;
1456  int compact;
1457  const char *item_sep, *item_start_end;
1458 } JSONContext;
1459 
1460 #undef OFFSET
1461 #define OFFSET(x) offsetof(JSONContext, x)
1462 
1463 static const AVOption json_options[]= {
1464  { "compact", "enable compact output", OFFSET(compact), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
1465  { "c", "enable compact output", OFFSET(compact), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
1466  { NULL }
1467 };
1468 
1469 DEFINE_WRITER_CLASS(json);
1470 
1472 {
1473  JSONContext *json = wctx->priv;
1474 
1475  json->item_sep = json->compact ? ", " : ",\n";
1476  json->item_start_end = json->compact ? " " : "\n";
1477 
1478  return 0;
1479 }
1480 
1481 static const char *json_escape_str(AVBPrint *dst, const char *src, void *log_ctx)
1482 {
1483  static const char json_escape[] = {'"', '\\', '\b', '\f', '\n', '\r', '\t', 0};
1484  static const char json_subst[] = {'"', '\\', 'b', 'f', 'n', 'r', 't', 0};
1485  const char *p;
1486 
1487  for (p = src; *p; p++) {
1488  char *s = strchr(json_escape, *p);
1489  if (s) {
1490  av_bprint_chars(dst, '\\', 1);
1491  av_bprint_chars(dst, json_subst[s - json_escape], 1);
1492  } else if ((unsigned char)*p < 32) {
1493  av_bprintf(dst, "\\u00%02x", *p & 0xff);
1494  } else {
1495  av_bprint_chars(dst, *p, 1);
1496  }
1497  }
1498  return dst->str;
1499 }
1500 
1501 #define JSON_INDENT() printf("%*c", json->indent_level * 4, ' ')
1502 
1504 {
1505  JSONContext *json = wctx->priv;
1506  AVBPrint buf;
1507  const struct section *section = wctx->section[wctx->level];
1508  const struct section *parent_section = wctx->level ?
1509  wctx->section[wctx->level-1] : NULL;
1510 
1511  if (wctx->level && wctx->nb_item[wctx->level-1])
1512  printf(",\n");
1513 
1514  if (section->flags & SECTION_FLAG_IS_WRAPPER) {
1515  printf("{\n");
1516  json->indent_level++;
1517  } else {
1519  json_escape_str(&buf, section->name, wctx);
1520  JSON_INDENT();
1521 
1522  json->indent_level++;
1523  if (section->flags & SECTION_FLAG_IS_ARRAY) {
1524  printf("\"%s\": [\n", buf.str);
1525  } else if (parent_section && !(parent_section->flags & SECTION_FLAG_IS_ARRAY)) {
1526  printf("\"%s\": {%s", buf.str, json->item_start_end);
1527  } else {
1528  printf("{%s", json->item_start_end);
1529 
1530  /* this is required so the parser can distinguish between packets and frames */
1531  if (parent_section && parent_section->id == SECTION_ID_PACKETS_AND_FRAMES) {
1532  if (!json->compact)
1533  JSON_INDENT();
1534  printf("\"type\": \"%s\"%s", section->name, json->item_sep);
1535  }
1536  }
1537  av_bprint_finalize(&buf, NULL);
1538  }
1539 }
1540 
1542 {
1543  JSONContext *json = wctx->priv;
1544  const struct section *section = wctx->section[wctx->level];
1545 
1546  if (wctx->level == 0) {
1547  json->indent_level--;
1548  printf("\n}\n");
1549  } else if (section->flags & SECTION_FLAG_IS_ARRAY) {
1550  printf("\n");
1551  json->indent_level--;
1552  JSON_INDENT();
1553  printf("]");
1554  } else {
1555  printf("%s", json->item_start_end);
1556  json->indent_level--;
1557  if (!json->compact)
1558  JSON_INDENT();
1559  printf("}");
1560  }
1561 }
1562 
1563 static inline void json_print_item_str(WriterContext *wctx,
1564  const char *key, const char *value)
1565 {
1566  AVBPrint buf;
1567 
1569  printf("\"%s\":", json_escape_str(&buf, key, wctx));
1570  av_bprint_clear(&buf);
1571  printf(" \"%s\"", json_escape_str(&buf, value, wctx));
1572  av_bprint_finalize(&buf, NULL);
1573 }
1574 
1575 static void json_print_str(WriterContext *wctx, const char *key, const char *value)
1576 {
1577  JSONContext *json = wctx->priv;
1578 
1579  if (wctx->nb_item[wctx->level])
1580  printf("%s", json->item_sep);
1581  if (!json->compact)
1582  JSON_INDENT();
1583  json_print_item_str(wctx, key, value);
1584 }
1585 
1586 static void json_print_int(WriterContext *wctx, const char *key, long long int value)
1587 {
1588  JSONContext *json = wctx->priv;
1589  AVBPrint buf;
1590 
1591  if (wctx->nb_item[wctx->level])
1592  printf("%s", json->item_sep);
1593  if (!json->compact)
1594  JSON_INDENT();
1595 
1597  printf("\"%s\": %lld", json_escape_str(&buf, key, wctx), value);
1598  av_bprint_finalize(&buf, NULL);
1599 }
1600 
1601 static const Writer json_writer = {
1602  .name = "json",
1603  .priv_size = sizeof(JSONContext),
1604  .init = json_init,
1607  .print_integer = json_print_int,
1608  .print_string = json_print_str,
1610  .priv_class = &json_class,
1611 };
1612 
1613 /* XML output */
1614 
1615 typedef struct XMLContext {
1616  const AVClass *class;
1621 } XMLContext;
1622 
1623 #undef OFFSET
1624 #define OFFSET(x) offsetof(XMLContext, x)
1625 
1626 static const AVOption xml_options[] = {
1627  {"fully_qualified", "specify if the output should be fully qualified", OFFSET(fully_qualified), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
1628  {"q", "specify if the output should be fully qualified", OFFSET(fully_qualified), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
1629  {"xsd_strict", "ensure that the output is XSD compliant", OFFSET(xsd_strict), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
1630  {"x", "ensure that the output is XSD compliant", OFFSET(xsd_strict), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
1631  {NULL},
1632 };
1633 
1634 DEFINE_WRITER_CLASS(xml);
1635 
1636 static av_cold int xml_init(WriterContext *wctx)
1637 {
1638  XMLContext *xml = wctx->priv;
1639 
1640  if (xml->xsd_strict) {
1641  xml->fully_qualified = 1;
1642 #define CHECK_COMPLIANCE(opt, opt_name) \
1643  if (opt) { \
1644  av_log(wctx, AV_LOG_ERROR, \
1645  "XSD-compliant output selected but option '%s' was selected, XML output may be non-compliant.\n" \
1646  "You need to disable such option with '-no%s'\n", opt_name, opt_name); \
1647  return AVERROR(EINVAL); \
1648  }
1649  CHECK_COMPLIANCE(show_private_data, "private");
1652 
1654  av_log(wctx, AV_LOG_ERROR,
1655  "Interleaved frames and packets are not allowed in XSD. "
1656  "Select only one between the -show_frames and the -show_packets options.\n");
1657  return AVERROR(EINVAL);
1658  }
1659  }
1660 
1661  return 0;
1662 }
1663 
1664 static const char *xml_escape_str(AVBPrint *dst, const char *src, void *log_ctx)
1665 {
1666  const char *p;
1667 
1668  for (p = src; *p; p++) {
1669  switch (*p) {
1670  case '&' : av_bprintf(dst, "%s", "&amp;"); break;
1671  case '<' : av_bprintf(dst, "%s", "&lt;"); break;
1672  case '>' : av_bprintf(dst, "%s", "&gt;"); break;
1673  case '"' : av_bprintf(dst, "%s", "&quot;"); break;
1674  case '\'': av_bprintf(dst, "%s", "&apos;"); break;
1675  default: av_bprint_chars(dst, *p, 1);
1676  }
1677  }
1678 
1679  return dst->str;
1680 }
1681 
1682 #define XML_INDENT() printf("%*c", xml->indent_level * 4, ' ')
1683 
1685 {
1686  XMLContext *xml = wctx->priv;
1687  const struct section *section = wctx->section[wctx->level];
1688  const struct section *parent_section = wctx->level ?
1689  wctx->section[wctx->level-1] : NULL;
1690 
1691  if (wctx->level == 0) {
1692  const char *qual = " xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' "
1693  "xmlns:ffprobe='http://www.ffmpeg.org/schema/ffprobe' "
1694  "xsi:schemaLocation='http://www.ffmpeg.org/schema/ffprobe ffprobe.xsd'";
1695 
1696  printf("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");
1697  printf("<%sffprobe%s>\n",
1698  xml->fully_qualified ? "ffprobe:" : "",
1699  xml->fully_qualified ? qual : "");
1700  return;
1701  }
1702 
1703  if (xml->within_tag) {
1704  xml->within_tag = 0;
1705  printf(">\n");
1706  }
1707  if (section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS) {
1708  xml->indent_level++;
1709  } else {
1710  if (parent_section && (parent_section->flags & SECTION_FLAG_IS_WRAPPER) &&
1711  wctx->level && wctx->nb_item[wctx->level-1])
1712  printf("\n");
1713  xml->indent_level++;
1714 
1715  if (section->flags & SECTION_FLAG_IS_ARRAY) {
1716  XML_INDENT(); printf("<%s>\n", section->name);
1717  } else {
1718  XML_INDENT(); printf("<%s ", section->name);
1719  xml->within_tag = 1;
1720  }
1721  }
1722 }
1723 
1725 {
1726  XMLContext *xml = wctx->priv;
1727  const struct section *section = wctx->section[wctx->level];
1728 
1729  if (wctx->level == 0) {
1730  printf("</%sffprobe>\n", xml->fully_qualified ? "ffprobe:" : "");
1731  } else if (xml->within_tag) {
1732  xml->within_tag = 0;
1733  printf("/>\n");
1734  xml->indent_level--;
1735  } else if (section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS) {
1736  xml->indent_level--;
1737  } else {
1738  XML_INDENT(); printf("</%s>\n", section->name);
1739  xml->indent_level--;
1740  }
1741 }
1742 
1743 static void xml_print_str(WriterContext *wctx, const char *key, const char *value)
1744 {
1745  AVBPrint buf;
1746  XMLContext *xml = wctx->priv;
1747  const struct section *section = wctx->section[wctx->level];
1748 
1750 
1751  if (section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS) {
1752  XML_INDENT();
1753  printf("<%s key=\"%s\"",
1754  section->element_name, xml_escape_str(&buf, key, wctx));
1755  av_bprint_clear(&buf);
1756  printf(" value=\"%s\"/>\n", xml_escape_str(&buf, value, wctx));
1757  } else {
1758  if (wctx->nb_item[wctx->level])
1759  printf(" ");
1760  printf("%s=\"%s\"", key, xml_escape_str(&buf, value, wctx));
1761  }
1762 
1763  av_bprint_finalize(&buf, NULL);
1764 }
1765 
1766 static void xml_print_int(WriterContext *wctx, const char *key, long long int value)
1767 {
1768  if (wctx->nb_item[wctx->level])
1769  printf(" ");
1770  printf("%s=\"%lld\"", key, value);
1771 }
1772 
1773 static Writer xml_writer = {
1774  .name = "xml",
1775  .priv_size = sizeof(XMLContext),
1776  .init = xml_init,
1779  .print_integer = xml_print_int,
1780  .print_string = xml_print_str,
1782  .priv_class = &xml_class,
1783 };
1784 
1785 static void writer_register_all(void)
1786 {
1787  static int initialized;
1788 
1789  if (initialized)
1790  return;
1791  initialized = 1;
1792 
1793  writer_register(&default_writer);
1794  writer_register(&compact_writer);
1795  writer_register(&csv_writer);
1796  writer_register(&flat_writer);
1797  writer_register(&ini_writer);
1798  writer_register(&json_writer);
1799  writer_register(&xml_writer);
1800 }
1801 
1802 #define print_fmt(k, f, ...) do { \
1803  av_bprint_clear(&pbuf); \
1804  av_bprintf(&pbuf, f, __VA_ARGS__); \
1805  writer_print_string(w, k, pbuf.str, 0); \
1806 } while (0)
1807 
1808 #define print_int(k, v) writer_print_integer(w, k, v)
1809 #define print_q(k, v, s) writer_print_rational(w, k, v, s)
1810 #define print_str(k, v) writer_print_string(w, k, v, 0)
1811 #define print_str_opt(k, v) writer_print_string(w, k, v, PRINT_STRING_OPT)
1812 #define print_str_validate(k, v) writer_print_string(w, k, v, PRINT_STRING_VALIDATE)
1813 #define print_time(k, v, tb) writer_print_time(w, k, v, tb, 0)
1814 #define print_ts(k, v) writer_print_ts(w, k, v, 0)
1815 #define print_duration_time(k, v, tb) writer_print_time(w, k, v, tb, 1)
1816 #define print_duration_ts(k, v) writer_print_ts(w, k, v, 1)
1817 #define print_val(k, v, u) do { \
1818  struct unit_value uv; \
1819  uv.val.i = v; \
1820  uv.unit = u; \
1821  writer_print_string(w, k, value_string(val_str, sizeof(val_str), uv), 0); \
1822 } while (0)
1823 
1824 #define print_section_header(s) writer_print_section_header(w, s)
1825 #define print_section_footer(s) writer_print_section_footer(w, s)
1826 
1827 #define REALLOCZ_ARRAY_STREAM(ptr, cur_n, new_n) \
1828 { \
1829  ret = av_reallocp_array(&(ptr), (new_n), sizeof(*(ptr))); \
1830  if (ret < 0) \
1831  goto end; \
1832  memset( (ptr) + (cur_n), 0, ((new_n) - (cur_n)) * sizeof(*(ptr)) ); \
1833 }
1834 
1835 static inline int show_tags(WriterContext *w, AVDictionary *tags, int section_id)
1836 {
1838  int ret = 0;
1839 
1840  if (!tags)
1841  return 0;
1842  writer_print_section_header(w, section_id);
1843 
1844  while ((tag = av_dict_get(tags, "", tag, AV_DICT_IGNORE_SUFFIX))) {
1845  if ((ret = print_str_validate(tag->key, tag->value)) < 0)
1846  break;
1847  }
1849 
1850  return ret;
1851 }
1852 
1854  AVCodecParameters *par,
1855  const AVPacketSideData *side_data,
1856  int nb_side_data,
1857  SectionID id_data_list,
1858  SectionID id_data)
1859 {
1860  int i;
1861 
1862  writer_print_section_header(w, id_data_list);
1863  for (i = 0; i < nb_side_data; i++) {
1864  const AVPacketSideData *sd = &side_data[i];
1865  const char *name = av_packet_side_data_name(sd->type);
1866 
1867  writer_print_section_header(w, id_data);
1868  print_str("side_data_type", name ? name : "unknown");
1869  if (sd->type == AV_PKT_DATA_DISPLAYMATRIX && sd->size >= 9*4) {
1870  writer_print_integers(w, "displaymatrix", sd->data, 9, " %11d", 3, 4, 1);
1871  print_int("rotation", av_display_rotation_get((int32_t *)sd->data));
1872  } else if (sd->type == AV_PKT_DATA_STEREO3D) {
1873  const AVStereo3D *stereo = (AVStereo3D *)sd->data;
1874  print_str("type", av_stereo3d_type_name(stereo->type));
1875  print_int("inverted", !!(stereo->flags & AV_STEREO3D_FLAG_INVERT));
1876  } else if (sd->type == AV_PKT_DATA_SPHERICAL) {
1877  const AVSphericalMapping *spherical = (AVSphericalMapping *)sd->data;
1878  print_str("projection", av_spherical_projection_name(spherical->projection));
1879  if (spherical->projection == AV_SPHERICAL_CUBEMAP) {
1880  print_int("padding", spherical->padding);
1881  } else if (spherical->projection == AV_SPHERICAL_EQUIRECTANGULAR_TILE) {
1882  size_t l, t, r, b;
1883  av_spherical_tile_bounds(spherical, par->width, par->height,
1884  &l, &t, &r, &b);
1885  print_int("bound_left", l);
1886  print_int("bound_top", t);
1887  print_int("bound_right", r);
1888  print_int("bound_bottom", b);
1889  }
1890 
1891  print_int("yaw", (double) spherical->yaw / (1 << 16));
1892  print_int("pitch", (double) spherical->pitch / (1 << 16));
1893  print_int("roll", (double) spherical->roll / (1 << 16));
1894  } else if (sd->type == AV_PKT_DATA_SKIP_SAMPLES && sd->size == 10) {
1895  print_int("skip_samples", AV_RL32(sd->data));
1896  print_int("discard_padding", AV_RL32(sd->data + 4));
1897  print_int("skip_reason", AV_RL8(sd->data + 8));
1898  print_int("discard_reason", AV_RL8(sd->data + 9));
1899  } else if (sd->type == AV_PKT_DATA_MASTERING_DISPLAY_METADATA) {
1901 
1902  if (metadata->has_primaries) {
1903  print_q("red_x", metadata->display_primaries[0][0], '/');
1904  print_q("red_y", metadata->display_primaries[0][1], '/');
1905  print_q("green_x", metadata->display_primaries[1][0], '/');
1906  print_q("green_y", metadata->display_primaries[1][1], '/');
1907  print_q("blue_x", metadata->display_primaries[2][0], '/');
1908  print_q("blue_y", metadata->display_primaries[2][1], '/');
1909 
1910  print_q("white_point_x", metadata->white_point[0], '/');
1911  print_q("white_point_y", metadata->white_point[1], '/');
1912  }
1913 
1914  if (metadata->has_luminance) {
1915  print_q("min_luminance", metadata->min_luminance, '/');
1916  print_q("max_luminance", metadata->max_luminance, '/');
1917  }
1918  } else if (sd->type == AV_PKT_DATA_CONTENT_LIGHT_LEVEL) {
1920  print_int("max_content", metadata->MaxCLL);
1921  print_int("max_average", metadata->MaxFALL);
1922  }
1924  }
1926 }
1927 
1928 static void clear_log(int need_lock)
1929 {
1930  int i;
1931 
1932  if (need_lock)
1933  pthread_mutex_lock(&log_mutex);
1934  for (i=0; i<log_buffer_size; i++) {
1935  av_freep(&log_buffer[i].context_name);
1936  av_freep(&log_buffer[i].parent_name);
1937  av_freep(&log_buffer[i].log_message);
1938  }
1939  log_buffer_size = 0;
1940  if(need_lock)
1941  pthread_mutex_unlock(&log_mutex);
1942 }
1943 
1944 static int show_log(WriterContext *w, int section_ids, int section_id, int log_level)
1945 {
1946  int i;
1947  pthread_mutex_lock(&log_mutex);
1948  if (!log_buffer_size) {
1949  pthread_mutex_unlock(&log_mutex);
1950  return 0;
1951  }
1952  writer_print_section_header(w, section_ids);
1953 
1954  for (i=0; i<log_buffer_size; i++) {
1955  if (log_buffer[i].log_level <= log_level) {
1956  writer_print_section_header(w, section_id);
1957  print_str("context", log_buffer[i].context_name);
1958  print_int("level", log_buffer[i].log_level);
1959  print_int("category", log_buffer[i].category);
1960  if (log_buffer[i].parent_name) {
1961  print_str("parent_context", log_buffer[i].parent_name);
1962  print_int("parent_category", log_buffer[i].parent_category);
1963  } else {
1964  print_str_opt("parent_context", "N/A");
1965  print_str_opt("parent_category", "N/A");
1966  }
1967  print_str("message", log_buffer[i].log_message);
1969  }
1970  }
1971  clear_log(0);
1972  pthread_mutex_unlock(&log_mutex);
1973 
1975 
1976  return 0;
1977 }
1978 
1979 static void show_packet(WriterContext *w, InputFile *ifile, AVPacket *pkt, int packet_idx)
1980 {
1981  char val_str[128];
1982  AVStream *st = ifile->streams[pkt->stream_index].st;
1983  AVBPrint pbuf;
1984  const char *s;
1985 
1987 
1989 
1991  if (s) print_str ("codec_type", s);
1992  else print_str_opt("codec_type", "unknown");
1993  print_int("stream_index", pkt->stream_index);
1994  print_ts ("pts", pkt->pts);
1995  print_time("pts_time", pkt->pts, &st->time_base);
1996  print_ts ("dts", pkt->dts);
1997  print_time("dts_time", pkt->dts, &st->time_base);
1998  print_duration_ts("duration", pkt->duration);
1999  print_duration_time("duration_time", pkt->duration, &st->time_base);
2000  print_duration_ts("convergence_duration", pkt->convergence_duration);
2001  print_duration_time("convergence_duration_time", pkt->convergence_duration, &st->time_base);
2002  print_val("size", pkt->size, unit_byte_str);
2003  if (pkt->pos != -1) print_fmt ("pos", "%"PRId64, pkt->pos);
2004  else print_str_opt("pos", "N/A");
2005  print_fmt("flags", "%c%c", pkt->flags & AV_PKT_FLAG_KEY ? 'K' : '_',
2006  pkt->flags & AV_PKT_FLAG_DISCARD ? 'D' : '_');
2007 
2008  if (pkt->side_data_elems) {
2009  int size;
2010  const uint8_t *side_metadata;
2011 
2012  side_metadata = av_packet_get_side_data(pkt, AV_PKT_DATA_STRINGS_METADATA, &size);
2013  if (side_metadata && size && do_show_packet_tags) {
2014  AVDictionary *dict = NULL;
2015  if (av_packet_unpack_dictionary(side_metadata, size, &dict) >= 0)
2017  av_dict_free(&dict);
2018  }
2019 
2023  }
2024 
2025  if (do_show_data)
2026  writer_print_data(w, "data", pkt->data, pkt->size);
2027  writer_print_data_hash(w, "data_hash", pkt->data, pkt->size);
2029 
2030  av_bprint_finalize(&pbuf, NULL);
2031  fflush(stdout);
2032 }
2033 
2034 static void show_subtitle(WriterContext *w, AVSubtitle *sub, AVStream *stream,
2036 {
2037  AVBPrint pbuf;
2038 
2040 
2042 
2043  print_str ("media_type", "subtitle");
2044  print_ts ("pts", sub->pts);
2045  print_time("pts_time", sub->pts, &AV_TIME_BASE_Q);
2046  print_int ("format", sub->format);
2047  print_int ("start_display_time", sub->start_display_time);
2048  print_int ("end_display_time", sub->end_display_time);
2049  print_int ("num_rects", sub->num_rects);
2050 
2052 
2053  av_bprint_finalize(&pbuf, NULL);
2054  fflush(stdout);
2055 }
2056 
2057 static void show_frame(WriterContext *w, AVFrame *frame, AVStream *stream,
2059 {
2060  AVBPrint pbuf;
2061  char val_str[128];
2062  const char *s;
2063  int i;
2064 
2066 
2068 
2070  if (s) print_str ("media_type", s);
2071  else print_str_opt("media_type", "unknown");
2072  print_int("stream_index", stream->index);
2073  print_int("key_frame", frame->key_frame);
2074  print_ts ("pkt_pts", frame->pts);
2075  print_time("pkt_pts_time", frame->pts, &stream->time_base);
2076  print_ts ("pkt_dts", frame->pkt_dts);
2077  print_time("pkt_dts_time", frame->pkt_dts, &stream->time_base);
2078  print_ts ("best_effort_timestamp", frame->best_effort_timestamp);
2079  print_time("best_effort_timestamp_time", frame->best_effort_timestamp, &stream->time_base);
2080  print_duration_ts ("pkt_duration", frame->pkt_duration);
2081  print_duration_time("pkt_duration_time", frame->pkt_duration, &stream->time_base);
2082  if (frame->pkt_pos != -1) print_fmt ("pkt_pos", "%"PRId64, frame->pkt_pos);
2083  else print_str_opt("pkt_pos", "N/A");
2084  if (frame->pkt_size != -1) print_val ("pkt_size", frame->pkt_size, unit_byte_str);
2085  else print_str_opt("pkt_size", "N/A");
2086 
2087  switch (stream->codecpar->codec_type) {
2088  AVRational sar;
2089 
2090  case AVMEDIA_TYPE_VIDEO:
2091  print_int("width", frame->width);
2092  print_int("height", frame->height);
2093  s = av_get_pix_fmt_name(frame->format);
2094  if (s) print_str ("pix_fmt", s);
2095  else print_str_opt("pix_fmt", "unknown");
2096  sar = av_guess_sample_aspect_ratio(fmt_ctx, stream, frame);
2097  if (sar.num) {
2098  print_q("sample_aspect_ratio", sar, ':');
2099  } else {
2100  print_str_opt("sample_aspect_ratio", "N/A");
2101  }
2102  print_fmt("pict_type", "%c", av_get_picture_type_char(frame->pict_type));
2103  print_int("coded_picture_number", frame->coded_picture_number);
2104  print_int("display_picture_number", frame->display_picture_number);
2105  print_int("interlaced_frame", frame->interlaced_frame);
2106  print_int("top_field_first", frame->top_field_first);
2107  print_int("repeat_pict", frame->repeat_pict);
2108 
2109  if (frame->color_range != AVCOL_RANGE_UNSPECIFIED)
2110  print_str("color_range", av_color_range_name(frame->color_range));
2111  else
2112  print_str_opt("color_range", av_color_range_name(frame->color_range));
2113 
2114  if (frame->colorspace != AVCOL_SPC_UNSPECIFIED)
2115  print_str("color_space", av_color_space_name(frame->colorspace));
2116  else
2117  print_str_opt("color_space", av_color_space_name(frame->colorspace));
2118 
2119  if (frame->color_primaries != AVCOL_PRI_UNSPECIFIED)
2120  print_str("color_primaries", av_color_primaries_name(frame->color_primaries));
2121  else
2122  print_str_opt("color_primaries", av_color_primaries_name(frame->color_primaries));
2123 
2124  if (frame->color_trc != AVCOL_TRC_UNSPECIFIED)
2125  print_str("color_transfer", av_color_transfer_name(frame->color_trc));
2126  else
2127  print_str_opt("color_transfer", av_color_transfer_name(frame->color_trc));
2128 
2130  print_str("chroma_location", av_chroma_location_name(frame->chroma_location));
2131  else
2132  print_str_opt("chroma_location", av_chroma_location_name(frame->chroma_location));
2133  break;
2134 
2135  case AVMEDIA_TYPE_AUDIO:
2136  s = av_get_sample_fmt_name(frame->format);
2137  if (s) print_str ("sample_fmt", s);
2138  else print_str_opt("sample_fmt", "unknown");
2139  print_int("nb_samples", frame->nb_samples);
2140  print_int("channels", frame->channels);
2141  if (frame->channel_layout) {
2142  av_bprint_clear(&pbuf);
2143  av_bprint_channel_layout(&pbuf, frame->channels,
2144  frame->channel_layout);
2145  print_str ("channel_layout", pbuf.str);
2146  } else
2147  print_str_opt("channel_layout", "unknown");
2148  break;
2149  }
2150  if (do_show_frame_tags)
2152  if (do_show_log)
2154  if (frame->nb_side_data) {
2156  for (i = 0; i < frame->nb_side_data; i++) {
2157  AVFrameSideData *sd = frame->side_data[i];
2158  const char *name;
2159 
2161  name = av_frame_side_data_name(sd->type);
2162  print_str("side_data_type", name ? name : "unknown");
2163  if (sd->type == AV_FRAME_DATA_DISPLAYMATRIX && sd->size >= 9*4) {
2164  writer_print_integers(w, "displaymatrix", sd->data, 9, " %11d", 3, 4, 1);
2165  print_int("rotation", av_display_rotation_get((int32_t *)sd->data));
2166  } else if (sd->type == AV_FRAME_DATA_GOP_TIMECODE && sd->size >= 8) {
2167  char tcbuf[AV_TIMECODE_STR_SIZE];
2168  av_timecode_make_mpeg_tc_string(tcbuf, *(int64_t *)(sd->data));
2169  print_str("timecode", tcbuf);
2170  } else if (sd->type == AV_FRAME_DATA_MASTERING_DISPLAY_METADATA) {
2172 
2173  if (metadata->has_primaries) {
2174  print_q("red_x", metadata->display_primaries[0][0], '/');
2175  print_q("red_y", metadata->display_primaries[0][1], '/');
2176  print_q("green_x", metadata->display_primaries[1][0], '/');
2177  print_q("green_y", metadata->display_primaries[1][1], '/');
2178  print_q("blue_x", metadata->display_primaries[2][0], '/');
2179  print_q("blue_y", metadata->display_primaries[2][1], '/');
2180 
2181  print_q("white_point_x", metadata->white_point[0], '/');
2182  print_q("white_point_y", metadata->white_point[1], '/');
2183  }
2184 
2185  if (metadata->has_luminance) {
2186  print_q("min_luminance", metadata->min_luminance, '/');
2187  print_q("max_luminance", metadata->max_luminance, '/');
2188  }
2189  } else if (sd->type == AV_FRAME_DATA_CONTENT_LIGHT_LEVEL) {
2191  print_int("max_content", metadata->MaxCLL);
2192  print_int("max_average", metadata->MaxFALL);
2193  } else if (sd->type == AV_FRAME_DATA_ICC_PROFILE) {
2195  if (tag)
2196  print_str(tag->key, tag->value);
2197  print_int("size", sd->size);
2198  }
2200  }
2202  }
2203 
2205 
2206  av_bprint_finalize(&pbuf, NULL);
2207  fflush(stdout);
2208 }
2209 
2211  InputFile *ifile,
2213  int *packet_new)
2214 {
2215  AVFormatContext *fmt_ctx = ifile->fmt_ctx;
2217  AVCodecParameters *par = ifile->streams[pkt->stream_index].st->codecpar;
2218  AVSubtitle sub;
2219  int ret = 0, got_frame = 0;
2220 
2221  clear_log(1);
2222  if (dec_ctx && dec_ctx->codec) {
2223  switch (par->codec_type) {
2224  case AVMEDIA_TYPE_VIDEO:
2225  case AVMEDIA_TYPE_AUDIO:
2226  if (*packet_new) {
2227  ret = avcodec_send_packet(dec_ctx, pkt);
2228  if (ret == AVERROR(EAGAIN)) {
2229  ret = 0;
2230  } else if (ret >= 0 || ret == AVERROR_EOF) {
2231  ret = 0;
2232  *packet_new = 0;
2233  }
2234  }
2235  if (ret >= 0) {
2236  ret = avcodec_receive_frame(dec_ctx, frame);
2237  if (ret >= 0) {
2238  got_frame = 1;
2239  } else if (ret == AVERROR(EAGAIN) || ret == AVERROR_EOF) {
2240  ret = 0;
2241  }
2242  }
2243  break;
2244 
2245  case AVMEDIA_TYPE_SUBTITLE:
2246  ret = avcodec_decode_subtitle2(dec_ctx, &sub, &got_frame, pkt);
2247  *packet_new = 0;
2248  break;
2249  default:
2250  *packet_new = 0;
2251  }
2252  } else {
2253  *packet_new = 0;
2254  }
2255 
2256  if (ret < 0)
2257  return ret;
2258  if (got_frame) {
2259  int is_sub = (par->codec_type == AVMEDIA_TYPE_SUBTITLE);
2261  if (do_show_frames)
2262  if (is_sub)
2263  show_subtitle(w, &sub, ifile->streams[pkt->stream_index].st, fmt_ctx);
2264  else
2265  show_frame(w, frame, ifile->streams[pkt->stream_index].st, fmt_ctx);
2266  if (is_sub)
2267  avsubtitle_free(&sub);
2268  }
2269  return got_frame || *packet_new;
2270 }
2271 
2272 static void log_read_interval(const ReadInterval *interval, void *log_ctx, int log_level)
2273 {
2274  av_log(log_ctx, log_level, "id:%d", interval->id);
2275 
2276  if (interval->has_start) {
2277  av_log(log_ctx, log_level, " start:%s%s", interval->start_is_offset ? "+" : "",
2278  av_ts2timestr(interval->start, &AV_TIME_BASE_Q));
2279  } else {
2280  av_log(log_ctx, log_level, " start:N/A");
2281  }
2282 
2283  if (interval->has_end) {
2284  av_log(log_ctx, log_level, " end:%s", interval->end_is_offset ? "+" : "");
2285  if (interval->duration_frames)
2286  av_log(log_ctx, log_level, "#%"PRId64, interval->end);
2287  else
2288  av_log(log_ctx, log_level, "%s", av_ts2timestr(interval->end, &AV_TIME_BASE_Q));
2289  } else {
2290  av_log(log_ctx, log_level, " end:N/A");
2291  }
2292 
2293  av_log(log_ctx, log_level, "\n");
2294 }
2295 
2297  const ReadInterval *interval, int64_t *cur_ts)
2298 {
2299  AVFormatContext *fmt_ctx = ifile->fmt_ctx;
2300  AVPacket pkt;
2301  AVFrame *frame = NULL;
2302  int ret = 0, i = 0, frame_count = 0;
2303  int64_t start = -INT64_MAX, end = interval->end;
2304  int has_start = 0, has_end = interval->has_end && !interval->end_is_offset;
2305 
2306  av_init_packet(&pkt);
2307 
2308  av_log(NULL, AV_LOG_VERBOSE, "Processing read interval ");
2310 
2311  if (interval->has_start) {
2312  int64_t target;
2313  if (interval->start_is_offset) {
2314  if (*cur_ts == AV_NOPTS_VALUE) {
2316  "Could not seek to relative position since current "
2317  "timestamp is not defined\n");
2318  ret = AVERROR(EINVAL);
2319  goto end;
2320  }
2321  target = *cur_ts + interval->start;
2322  } else {
2323  target = interval->start;
2324  }
2325 
2326  av_log(NULL, AV_LOG_VERBOSE, "Seeking to read interval start point %s\n",
2327  av_ts2timestr(target, &AV_TIME_BASE_Q));
2328  if ((ret = avformat_seek_file(fmt_ctx, -1, -INT64_MAX, target, INT64_MAX, 0)) < 0) {
2329  av_log(NULL, AV_LOG_ERROR, "Could not seek to position %"PRId64": %s\n",
2330  interval->start, av_err2str(ret));
2331  goto end;
2332  }
2333  }
2334 
2335  frame = av_frame_alloc();
2336  if (!frame) {
2337  ret = AVERROR(ENOMEM);
2338  goto end;
2339  }
2340  while (!av_read_frame(fmt_ctx, &pkt)) {
2341  if (ifile->nb_streams > nb_streams) {
2345  nb_streams = ifile->nb_streams;
2346  }
2347  if (selected_streams[pkt.stream_index]) {
2348  AVRational tb = ifile->streams[pkt.stream_index].st->time_base;
2349 
2350  if (pkt.pts != AV_NOPTS_VALUE)
2351  *cur_ts = av_rescale_q(pkt.pts, tb, AV_TIME_BASE_Q);
2352 
2353  if (!has_start && *cur_ts != AV_NOPTS_VALUE) {
2354  start = *cur_ts;
2355  has_start = 1;
2356  }
2357 
2358  if (has_start && !has_end && interval->end_is_offset) {
2359  end = start + interval->end;
2360  has_end = 1;
2361  }
2362 
2363  if (interval->end_is_offset && interval->duration_frames) {
2364  if (frame_count >= interval->end)
2365  break;
2366  } else if (has_end && *cur_ts != AV_NOPTS_VALUE && *cur_ts >= end) {
2367  break;
2368  }
2369 
2370  frame_count++;
2371  if (do_read_packets) {
2372  if (do_show_packets)
2373  show_packet(w, ifile, &pkt, i++);
2375  }
2376  if (do_read_frames) {
2377  int packet_new = 1;
2378  while (process_frame(w, ifile, frame, &pkt, &packet_new) > 0);
2379  }
2380  }
2381  av_packet_unref(&pkt);
2382  }
2383  av_init_packet(&pkt);
2384  pkt.data = NULL;
2385  pkt.size = 0;
2386  //Flush remaining frames that are cached in the decoder
2387  for (i = 0; i < fmt_ctx->nb_streams; i++) {
2388  pkt.stream_index = i;
2389  if (do_read_frames)
2390  while (process_frame(w, ifile, frame, &pkt, &(int){1}) > 0);
2391  }
2392 
2393 end:
2394  av_frame_free(&frame);
2395  if (ret < 0) {
2396  av_log(NULL, AV_LOG_ERROR, "Could not read packets in interval ");
2397  log_read_interval(interval, NULL, AV_LOG_ERROR);
2398  }
2399  return ret;
2400 }
2401 
2403 {
2404  AVFormatContext *fmt_ctx = ifile->fmt_ctx;
2405  int i, ret = 0;
2406  int64_t cur_ts = fmt_ctx->start_time;
2407 
2408  if (read_intervals_nb == 0) {
2409  ReadInterval interval = (ReadInterval) { .has_start = 0, .has_end = 0 };
2410  ret = read_interval_packets(w, ifile, &interval, &cur_ts);
2411  } else {
2412  for (i = 0; i < read_intervals_nb; i++) {
2413  ret = read_interval_packets(w, ifile, &read_intervals[i], &cur_ts);
2414  if (ret < 0)
2415  break;
2416  }
2417  }
2418 
2419  return ret;
2420 }
2421 
2422 static int show_stream(WriterContext *w, AVFormatContext *fmt_ctx, int stream_idx, InputStream *ist, int in_program)
2423 {
2424  AVStream *stream = ist->st;
2425  AVCodecParameters *par;
2427  char val_str[128];
2428  const char *s;
2429  AVRational sar, dar;
2430  AVBPrint pbuf;
2431  const AVCodecDescriptor *cd;
2432  int ret = 0;
2433  const char *profile = NULL;
2434 
2436 
2438 
2439  print_int("index", stream->index);
2440 
2441  par = stream->codecpar;
2442  dec_ctx = ist->dec_ctx;
2443  if (cd = avcodec_descriptor_get(par->codec_id)) {
2444  print_str("codec_name", cd->name);
2445  if (!do_bitexact) {
2446  print_str("codec_long_name",
2447  cd->long_name ? cd->long_name : "unknown");
2448  }
2449  } else {
2450  print_str_opt("codec_name", "unknown");
2451  if (!do_bitexact) {
2452  print_str_opt("codec_long_name", "unknown");
2453  }
2454  }
2455 
2456  if (!do_bitexact && (profile = avcodec_profile_name(par->codec_id, par->profile)))
2457  print_str("profile", profile);
2458  else {
2459  if (par->profile != FF_PROFILE_UNKNOWN) {
2460  char profile_num[12];
2461  snprintf(profile_num, sizeof(profile_num), "%d", par->profile);
2462  print_str("profile", profile_num);
2463  } else
2464  print_str_opt("profile", "unknown");
2465  }
2466 
2468  if (s) print_str ("codec_type", s);
2469  else print_str_opt("codec_type", "unknown");
2470 #if FF_API_LAVF_AVCTX
2471  if (dec_ctx)
2472  print_q("codec_time_base", dec_ctx->time_base, '/');
2473 #endif
2474 
2475  /* print AVI/FourCC tag */
2476  print_str("codec_tag_string", av_fourcc2str(par->codec_tag));
2477  print_fmt("codec_tag", "0x%04"PRIx32, par->codec_tag);
2478 
2479  switch (par->codec_type) {
2480  case AVMEDIA_TYPE_VIDEO:
2481  print_int("width", par->width);
2482  print_int("height", par->height);
2483  if (dec_ctx) {
2484  print_int("coded_width", dec_ctx->coded_width);
2485  print_int("coded_height", dec_ctx->coded_height);
2486  }
2487  print_int("has_b_frames", par->video_delay);
2488  sar = av_guess_sample_aspect_ratio(fmt_ctx, stream, NULL);
2489  if (sar.den) {
2490  print_q("sample_aspect_ratio", sar, ':');
2491  av_reduce(&dar.num, &dar.den,
2492  par->width * sar.num,
2493  par->height * sar.den,
2494  1024*1024);
2495  print_q("display_aspect_ratio", dar, ':');
2496  } else {
2497  print_str_opt("sample_aspect_ratio", "N/A");
2498  print_str_opt("display_aspect_ratio", "N/A");
2499  }
2500  s = av_get_pix_fmt_name(par->format);
2501  if (s) print_str ("pix_fmt", s);
2502  else print_str_opt("pix_fmt", "unknown");
2503  print_int("level", par->level);
2505  print_str ("color_range", av_color_range_name(par->color_range));
2506  else
2507  print_str_opt("color_range", "N/A");
2508 
2509  if (par->color_space != AVCOL_SPC_UNSPECIFIED)
2510  print_str("color_space", av_color_space_name(par->color_space));
2511  else
2512  print_str_opt("color_space", av_color_space_name(par->color_space));
2513 
2514  if (par->color_trc != AVCOL_TRC_UNSPECIFIED)
2515  print_str("color_transfer", av_color_transfer_name(par->color_trc));
2516  else
2517  print_str_opt("color_transfer", av_color_transfer_name(par->color_trc));
2518 
2520  print_str("color_primaries", av_color_primaries_name(par->color_primaries));
2521  else
2522  print_str_opt("color_primaries", av_color_primaries_name(par->color_primaries));
2523 
2525  print_str("chroma_location", av_chroma_location_name(par->chroma_location));
2526  else
2527  print_str_opt("chroma_location", av_chroma_location_name(par->chroma_location));
2528 
2529  if (par->field_order == AV_FIELD_PROGRESSIVE)
2530  print_str("field_order", "progressive");
2531  else if (par->field_order == AV_FIELD_TT)
2532  print_str("field_order", "tt");
2533  else if (par->field_order == AV_FIELD_BB)
2534  print_str("field_order", "bb");
2535  else if (par->field_order == AV_FIELD_TB)
2536  print_str("field_order", "tb");
2537  else if (par->field_order == AV_FIELD_BT)
2538  print_str("field_order", "bt");
2539  else
2540  print_str_opt("field_order", "unknown");
2541 
2542 #if FF_API_PRIVATE_OPT
2543  if (dec_ctx && dec_ctx->timecode_frame_start >= 0) {
2544  char tcbuf[AV_TIMECODE_STR_SIZE];
2546  print_str("timecode", tcbuf);
2547  } else {
2548  print_str_opt("timecode", "N/A");
2549  }
2550 #endif
2551  if (dec_ctx)
2552  print_int("refs", dec_ctx->refs);
2553  break;
2554 
2555  case AVMEDIA_TYPE_AUDIO:
2556  s = av_get_sample_fmt_name(par->format);
2557  if (s) print_str ("sample_fmt", s);
2558  else print_str_opt("sample_fmt", "unknown");
2559  print_val("sample_rate", par->sample_rate, unit_hertz_str);
2560  print_int("channels", par->channels);
2561 
2562  if (par->channel_layout) {
2563  av_bprint_clear(&pbuf);
2565  print_str ("channel_layout", pbuf.str);
2566  } else {
2567  print_str_opt("channel_layout", "unknown");
2568  }
2569 
2570  print_int("bits_per_sample", av_get_bits_per_sample(par->codec_id));
2571  break;
2572 
2573  case AVMEDIA_TYPE_SUBTITLE:
2574  if (par->width)
2575  print_int("width", par->width);
2576  else
2577  print_str_opt("width", "N/A");
2578  if (par->height)
2579  print_int("height", par->height);
2580  else
2581  print_str_opt("height", "N/A");
2582  break;
2583  }
2584 
2585  if (dec_ctx && dec_ctx->codec && dec_ctx->codec->priv_class && show_private_data) {
2586  const AVOption *opt = NULL;
2587  while (opt = av_opt_next(dec_ctx->priv_data,opt)) {
2588  uint8_t *str;
2589  if (opt->flags) continue;
2590  if (av_opt_get(dec_ctx->priv_data, opt->name, 0, &str) >= 0) {
2591  print_str(opt->name, str);
2592  av_free(str);
2593  }
2594  }
2595  }
2596 
2597  if (fmt_ctx->iformat->flags & AVFMT_SHOW_IDS) print_fmt ("id", "0x%x", stream->id);
2598  else print_str_opt("id", "N/A");
2599  print_q("r_frame_rate", stream->r_frame_rate, '/');
2600  print_q("avg_frame_rate", stream->avg_frame_rate, '/');
2601  print_q("time_base", stream->time_base, '/');
2602  print_ts ("start_pts", stream->start_time);
2603  print_time("start_time", stream->start_time, &stream->time_base);
2604  print_ts ("duration_ts", stream->duration);
2605  print_time("duration", stream->duration, &stream->time_base);
2606  if (par->bit_rate > 0) print_val ("bit_rate", par->bit_rate, unit_bit_per_second_str);
2607  else print_str_opt("bit_rate", "N/A");
2608 #if FF_API_LAVF_AVCTX
2609  if (stream->codec->rc_max_rate > 0) print_val ("max_bit_rate", stream->codec->rc_max_rate, unit_bit_per_second_str);
2610  else print_str_opt("max_bit_rate", "N/A");
2611 #endif
2612  if (dec_ctx && dec_ctx->bits_per_raw_sample > 0) print_fmt("bits_per_raw_sample", "%d", dec_ctx->bits_per_raw_sample);
2613  else print_str_opt("bits_per_raw_sample", "N/A");
2614  if (stream->nb_frames) print_fmt ("nb_frames", "%"PRId64, stream->nb_frames);
2615  else print_str_opt("nb_frames", "N/A");
2616  if (nb_streams_frames[stream_idx]) print_fmt ("nb_read_frames", "%"PRIu64, nb_streams_frames[stream_idx]);
2617  else print_str_opt("nb_read_frames", "N/A");
2618  if (nb_streams_packets[stream_idx]) print_fmt ("nb_read_packets", "%"PRIu64, nb_streams_packets[stream_idx]);
2619  else print_str_opt("nb_read_packets", "N/A");
2620  if (do_show_data)
2621  writer_print_data(w, "extradata", par->extradata,
2622  par->extradata_size);
2623  writer_print_data_hash(w, "extradata_hash", par->extradata,
2624  par->extradata_size);
2625 
2626  /* Print disposition information */
2627 #define PRINT_DISPOSITION(flagname, name) do { \
2628  print_int(name, !!(stream->disposition & AV_DISPOSITION_##flagname)); \
2629  } while (0)
2630 
2633  PRINT_DISPOSITION(DEFAULT, "default");
2634  PRINT_DISPOSITION(DUB, "dub");
2635  PRINT_DISPOSITION(ORIGINAL, "original");
2636  PRINT_DISPOSITION(COMMENT, "comment");
2637  PRINT_DISPOSITION(LYRICS, "lyrics");
2638  PRINT_DISPOSITION(KARAOKE, "karaoke");
2639  PRINT_DISPOSITION(FORCED, "forced");
2640  PRINT_DISPOSITION(HEARING_IMPAIRED, "hearing_impaired");
2641  PRINT_DISPOSITION(VISUAL_IMPAIRED, "visual_impaired");
2642  PRINT_DISPOSITION(CLEAN_EFFECTS, "clean_effects");
2643  PRINT_DISPOSITION(ATTACHED_PIC, "attached_pic");
2644  PRINT_DISPOSITION(TIMED_THUMBNAILS, "timed_thumbnails");
2646  }
2647 
2648  if (do_show_stream_tags)
2649  ret = show_tags(w, stream->metadata, in_program ? SECTION_ID_PROGRAM_STREAM_TAGS : SECTION_ID_STREAM_TAGS);
2650 
2651  if (stream->nb_side_data) {
2652  print_pkt_side_data(w, stream->codecpar, stream->side_data, stream->nb_side_data,
2655  }
2656 
2658  av_bprint_finalize(&pbuf, NULL);
2659  fflush(stdout);
2660 
2661  return ret;
2662 }
2663 
2665 {
2666  AVFormatContext *fmt_ctx = ifile->fmt_ctx;
2667  int i, ret = 0;
2668 
2670  for (i = 0; i < ifile->nb_streams; i++)
2671  if (selected_streams[i]) {
2672  ret = show_stream(w, fmt_ctx, i, &ifile->streams[i], 0);
2673  if (ret < 0)
2674  break;
2675  }
2677 
2678  return ret;
2679 }
2680 
2682 {
2683  AVFormatContext *fmt_ctx = ifile->fmt_ctx;
2684  int i, ret = 0;
2685 
2687  print_int("program_id", program->id);
2688  print_int("program_num", program->program_num);
2689  print_int("nb_streams", program->nb_stream_indexes);
2690  print_int("pmt_pid", program->pmt_pid);
2691  print_int("pcr_pid", program->pcr_pid);
2692  print_ts("start_pts", program->start_time);
2693  print_time("start_time", program->start_time, &AV_TIME_BASE_Q);
2694  print_ts("end_pts", program->end_time);
2695  print_time("end_time", program->end_time, &AV_TIME_BASE_Q);
2697  ret = show_tags(w, program->metadata, SECTION_ID_PROGRAM_TAGS);
2698  if (ret < 0)
2699  goto end;
2700 
2702  for (i = 0; i < program->nb_stream_indexes; i++) {
2703  if (selected_streams[program->stream_index[i]]) {
2704  ret = show_stream(w, fmt_ctx, program->stream_index[i], &ifile->streams[program->stream_index[i]], 1);
2705  if (ret < 0)
2706  break;
2707  }
2708  }
2710 
2711 end:
2713  return ret;
2714 }
2715 
2717 {
2718  AVFormatContext *fmt_ctx = ifile->fmt_ctx;
2719  int i, ret = 0;
2720 
2722  for (i = 0; i < fmt_ctx->nb_programs; i++) {
2723  AVProgram *program = fmt_ctx->programs[i];
2724  if (!program)
2725  continue;
2726  ret = show_program(w, ifile, program);
2727  if (ret < 0)
2728  break;
2729  }
2731  return ret;
2732 }
2733 
2735 {
2736  AVFormatContext *fmt_ctx = ifile->fmt_ctx;
2737  int i, ret = 0;
2738 
2740  for (i = 0; i < fmt_ctx->nb_chapters; i++) {
2741  AVChapter *chapter = fmt_ctx->chapters[i];
2742 
2744  print_int("id", chapter->id);
2745  print_q ("time_base", chapter->time_base, '/');
2746  print_int("start", chapter->start);
2747  print_time("start_time", chapter->start, &chapter->time_base);
2748  print_int("end", chapter->end);
2749  print_time("end_time", chapter->end, &chapter->time_base);
2751  ret = show_tags(w, chapter->metadata, SECTION_ID_CHAPTER_TAGS);
2753  }
2755 
2756  return ret;
2757 }
2758 
2760 {
2761  AVFormatContext *fmt_ctx = ifile->fmt_ctx;
2762  char val_str[128];
2763  int64_t size = fmt_ctx->pb ? avio_size(fmt_ctx->pb) : -1;
2764  int ret = 0;
2765 
2767  print_str_validate("filename", fmt_ctx->filename);
2768  print_int("nb_streams", fmt_ctx->nb_streams);
2769  print_int("nb_programs", fmt_ctx->nb_programs);
2770  print_str("format_name", fmt_ctx->iformat->name);
2771  if (!do_bitexact) {
2772  if (fmt_ctx->iformat->long_name) print_str ("format_long_name", fmt_ctx->iformat->long_name);
2773  else print_str_opt("format_long_name", "unknown");
2774  }
2775  print_time("start_time", fmt_ctx->start_time, &AV_TIME_BASE_Q);
2776  print_time("duration", fmt_ctx->duration, &AV_TIME_BASE_Q);
2777  if (size >= 0) print_val ("size", size, unit_byte_str);
2778  else print_str_opt("size", "N/A");
2779  if (fmt_ctx->bit_rate > 0) print_val ("bit_rate", fmt_ctx->bit_rate, unit_bit_per_second_str);
2780  else print_str_opt("bit_rate", "N/A");
2781  print_int("probe_score", av_format_get_probe_score(fmt_ctx));
2782  if (do_show_format_tags)
2783  ret = show_tags(w, fmt_ctx->metadata, SECTION_ID_FORMAT_TAGS);
2784 
2786  fflush(stdout);
2787  return ret;
2788 }
2789 
2790 static void show_error(WriterContext *w, int err)
2791 {
2792  char errbuf[128];
2793  const char *errbuf_ptr = errbuf;
2794 
2795  if (av_strerror(err, errbuf, sizeof(errbuf)) < 0)
2796  errbuf_ptr = strerror(AVUNERROR(err));
2797 
2799  print_int("code", err);
2800  print_str("string", errbuf_ptr);
2802 }
2803 
2804 static int open_input_file(InputFile *ifile, const char *filename)
2805 {
2806  int err, i;
2808  AVDictionaryEntry *t;
2809  int scan_all_pmts_set = 0;
2810 
2811  fmt_ctx = avformat_alloc_context();
2812  if (!fmt_ctx) {
2813  print_error(filename, AVERROR(ENOMEM));
2814  exit_program(1);
2815  }
2816 
2817  fmt_ctx->flags |= AVFMT_FLAG_KEEP_SIDE_DATA;
2818 
2819  if (!av_dict_get(format_opts, "scan_all_pmts", NULL, AV_DICT_MATCH_CASE)) {
2820  av_dict_set(&format_opts, "scan_all_pmts", "1", AV_DICT_DONT_OVERWRITE);
2821  scan_all_pmts_set = 1;
2822  }
2823  if ((err = avformat_open_input(&fmt_ctx, filename,
2824  iformat, &format_opts)) < 0) {
2825  print_error(filename, err);
2826  return err;
2827  }
2828  ifile->fmt_ctx = fmt_ctx;
2829  if (scan_all_pmts_set)
2830  av_dict_set(&format_opts, "scan_all_pmts", NULL, AV_DICT_MATCH_CASE);
2832  av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
2833  return AVERROR_OPTION_NOT_FOUND;
2834  }
2835 
2836  if (find_stream_info) {
2838  int orig_nb_streams = fmt_ctx->nb_streams;
2839 
2840  err = avformat_find_stream_info(fmt_ctx, opts);
2841 
2842  for (i = 0; i < orig_nb_streams; i++)
2843  av_dict_free(&opts[i]);
2844  av_freep(&opts);
2845 
2846  if (err < 0) {
2847  print_error(filename, err);
2848  return err;
2849  }
2850  }
2851 
2852  av_dump_format(fmt_ctx, 0, filename, 0);
2853 
2854  ifile->streams = av_mallocz_array(fmt_ctx->nb_streams,
2855  sizeof(*ifile->streams));
2856  if (!ifile->streams)
2857  exit(1);
2858  ifile->nb_streams = fmt_ctx->nb_streams;
2859 
2860  /* bind a decoder to each input stream */
2861  for (i = 0; i < fmt_ctx->nb_streams; i++) {
2862  InputStream *ist = &ifile->streams[i];
2863  AVStream *stream = fmt_ctx->streams[i];
2864  AVCodec *codec;
2865 
2866  ist->st = stream;
2867 
2868  if (stream->codecpar->codec_id == AV_CODEC_ID_PROBE) {
2870  "Failed to probe codec for input stream %d\n",
2871  stream->index);
2872  continue;
2873  }
2874 
2875  codec = avcodec_find_decoder(stream->codecpar->codec_id);
2876  if (!codec) {
2878  "Unsupported codec with id %d for input stream %d\n",
2879  stream->codecpar->codec_id, stream->index);
2880  continue;
2881  }
2882  {
2884  fmt_ctx, stream, codec);
2885 
2886  ist->dec_ctx = avcodec_alloc_context3(codec);
2887  if (!ist->dec_ctx)
2888  exit(1);
2889 
2890  err = avcodec_parameters_to_context(ist->dec_ctx, stream->codecpar);
2891  if (err < 0)
2892  exit(1);
2893 
2894  if (do_show_log) {
2895  // For loging it is needed to disable at least frame threads as otherwise
2896  // the log information would need to be reordered and matches up to contexts and frames
2897  // That is in fact possible but not trivial
2898  av_dict_set(&codec_opts, "threads", "1", 0);
2899  }
2900 
2902  ist->dec_ctx->framerate = stream->avg_frame_rate;
2903 
2904  if (avcodec_open2(ist->dec_ctx, codec, &opts) < 0) {
2905  av_log(NULL, AV_LOG_WARNING, "Could not open codec for input stream %d\n",
2906  stream->index);
2907  exit(1);
2908  }
2909 
2910  if ((t = av_dict_get(opts, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
2911  av_log(NULL, AV_LOG_ERROR, "Option %s for input stream %d not found\n",
2912  t->key, stream->index);
2913  return AVERROR_OPTION_NOT_FOUND;
2914  }
2915  }
2916  }
2917 
2918  ifile->fmt_ctx = fmt_ctx;
2919  return 0;
2920 }
2921 
2923 {
2924  int i;
2925 
2926  /* close decoder for each stream */
2927  for (i = 0; i < ifile->nb_streams; i++)
2928  if (ifile->streams[i].st->codecpar->codec_id != AV_CODEC_ID_NONE)
2929  avcodec_free_context(&ifile->streams[i].dec_ctx);
2930 
2931  av_freep(&ifile->streams);
2932  ifile->nb_streams = 0;
2933 
2934  avformat_close_input(&ifile->fmt_ctx);
2935 }
2936 
2937 static int probe_file(WriterContext *wctx, const char *filename)
2938 {
2939  InputFile ifile = { 0 };
2940  int ret, i;
2941  int section_id;
2942 
2945 
2946  ret = open_input_file(&ifile, filename);
2947  if (ret < 0)
2948  goto end;
2949 
2950 #define CHECK_END if (ret < 0) goto end
2951 
2952  nb_streams = ifile.fmt_ctx->nb_streams;
2956 
2957  for (i = 0; i < ifile.fmt_ctx->nb_streams; i++) {
2958  if (stream_specifier) {
2960  ifile.fmt_ctx->streams[i],
2962  CHECK_END;
2963  else
2964  selected_streams[i] = ret;
2965  ret = 0;
2966  } else {
2967  selected_streams[i] = 1;
2968  }
2969  if (!selected_streams[i])
2970  ifile.fmt_ctx->streams[i]->discard = AVDISCARD_ALL;
2971  }
2972 
2976  section_id = SECTION_ID_PACKETS_AND_FRAMES;
2977  else if (do_show_packets && !do_show_frames)
2978  section_id = SECTION_ID_PACKETS;
2979  else // (!do_show_packets && do_show_frames)
2980  section_id = SECTION_ID_FRAMES;
2982  writer_print_section_header(wctx, section_id);
2983  ret = read_packets(wctx, &ifile);
2986  CHECK_END;
2987  }
2988 
2989  if (do_show_programs) {
2990  ret = show_programs(wctx, &ifile);
2991  CHECK_END;
2992  }
2993 
2994  if (do_show_streams) {
2995  ret = show_streams(wctx, &ifile);
2996  CHECK_END;
2997  }
2998  if (do_show_chapters) {
2999  ret = show_chapters(wctx, &ifile);
3000  CHECK_END;
3001  }
3002  if (do_show_format) {
3003  ret = show_format(wctx, &ifile);
3004  CHECK_END;
3005  }
3006 
3007 end:
3008  if (ifile.fmt_ctx)
3009  close_input_file(&ifile);
3013 
3014  return ret;
3015 }
3016 
3017 static void show_usage(void)
3018 {
3019  av_log(NULL, AV_LOG_INFO, "Simple multimedia streams analyzer\n");
3020  av_log(NULL, AV_LOG_INFO, "usage: %s [OPTIONS] [INPUT_FILE]\n", program_name);
3021  av_log(NULL, AV_LOG_INFO, "\n");
3022 }
3023 
3025 {
3026  AVBPrint pbuf;
3028 
3030  print_str("version", FFMPEG_VERSION);
3031  print_fmt("copyright", "Copyright (c) %d-%d the FFmpeg developers",
3032  program_birth_year, CONFIG_THIS_YEAR);
3033  print_str("compiler_ident", CC_IDENT);
3034  print_str("configuration", FFMPEG_CONFIGURATION);
3036 
3037  av_bprint_finalize(&pbuf, NULL);
3038 }
3039 
3040 #define SHOW_LIB_VERSION(libname, LIBNAME) \
3041  do { \
3042  if (CONFIG_##LIBNAME) { \
3043  unsigned int version = libname##_version(); \
3044  writer_print_section_header(w, SECTION_ID_LIBRARY_VERSION); \
3045  print_str("name", "lib" #libname); \
3046  print_int("major", LIB##LIBNAME##_VERSION_MAJOR); \
3047  print_int("minor", LIB##LIBNAME##_VERSION_MINOR); \
3048  print_int("micro", LIB##LIBNAME##_VERSION_MICRO); \
3049  print_int("version", version); \
3050  print_str("ident", LIB##LIBNAME##_IDENT); \
3051  writer_print_section_footer(w); \
3052  } \
3053  } while (0)
3054 
3056 {
3058  SHOW_LIB_VERSION(avutil, AVUTIL);
3059  SHOW_LIB_VERSION(avcodec, AVCODEC);
3060  SHOW_LIB_VERSION(avformat, AVFORMAT);
3061  SHOW_LIB_VERSION(avdevice, AVDEVICE);
3062  SHOW_LIB_VERSION(avfilter, AVFILTER);
3063  SHOW_LIB_VERSION(swscale, SWSCALE);
3064  SHOW_LIB_VERSION(swresample, SWRESAMPLE);
3065  SHOW_LIB_VERSION(postproc, POSTPROC);
3067 }
3068 
3069 #define PRINT_PIX_FMT_FLAG(flagname, name) \
3070  do { \
3071  print_int(name, !!(pixdesc->flags & AV_PIX_FMT_FLAG_##flagname)); \
3072  } while (0)
3073 
3075 {
3076  const AVPixFmtDescriptor *pixdesc = NULL;
3077  int i, n;
3078 
3080  while (pixdesc = av_pix_fmt_desc_next(pixdesc)) {
3082  print_str("name", pixdesc->name);
3083  print_int("nb_components", pixdesc->nb_components);
3084  if ((pixdesc->nb_components >= 3) && !(pixdesc->flags & AV_PIX_FMT_FLAG_RGB)) {
3085  print_int ("log2_chroma_w", pixdesc->log2_chroma_w);
3086  print_int ("log2_chroma_h", pixdesc->log2_chroma_h);
3087  } else {
3088  print_str_opt("log2_chroma_w", "N/A");
3089  print_str_opt("log2_chroma_h", "N/A");
3090  }
3091  n = av_get_bits_per_pixel(pixdesc);
3092  if (n) print_int ("bits_per_pixel", n);
3093  else print_str_opt("bits_per_pixel", "N/A");
3096  PRINT_PIX_FMT_FLAG(BE, "big_endian");
3097  PRINT_PIX_FMT_FLAG(PAL, "palette");
3098  PRINT_PIX_FMT_FLAG(BITSTREAM, "bitstream");
3099  PRINT_PIX_FMT_FLAG(HWACCEL, "hwaccel");
3100  PRINT_PIX_FMT_FLAG(PLANAR, "planar");
3101  PRINT_PIX_FMT_FLAG(RGB, "rgb");
3102  PRINT_PIX_FMT_FLAG(PSEUDOPAL, "pseudopal");
3103  PRINT_PIX_FMT_FLAG(ALPHA, "alpha");
3105  }
3106  if (do_show_pixel_format_components && (pixdesc->nb_components > 0)) {
3108  for (i = 0; i < pixdesc->nb_components; i++) {
3110  print_int("index", i + 1);
3111  print_int("bit_depth", pixdesc->comp[i].depth);
3113  }
3115  }
3117  }
3119 }
3120 
3121 static int opt_format(void *optctx, const char *opt, const char *arg)
3122 {
3123  iformat = av_find_input_format(arg);
3124  if (!iformat) {
3125  av_log(NULL, AV_LOG_ERROR, "Unknown input format: %s\n", arg);
3126  return AVERROR(EINVAL);
3127  }
3128  return 0;
3129 }
3130 
3131 static inline void mark_section_show_entries(SectionID section_id,
3132  int show_all_entries, AVDictionary *entries)
3133 {
3134  struct section *section = &sections[section_id];
3135 
3137  if (show_all_entries) {
3138  SectionID *id;
3139  for (id = section->children_ids; *id != -1; id++)
3140  mark_section_show_entries(*id, show_all_entries, entries);
3141  } else {
3142  av_dict_copy(&section->entries_to_show, entries, 0);
3143  }
3144 }
3145 
3146 static int match_section(const char *section_name,
3147  int show_all_entries, AVDictionary *entries)
3148 {
3149  int i, ret = 0;
3150 
3151  for (i = 0; i < FF_ARRAY_ELEMS(sections); i++) {
3152  const struct section *section = &sections[i];
3153  if (!strcmp(section_name, section->name) ||
3154  (section->unique_name && !strcmp(section_name, section->unique_name))) {
3156  "'%s' matches section with unique name '%s'\n", section_name,
3157  (char *)av_x_if_null(section->unique_name, section->name));
3158  ret++;
3159  mark_section_show_entries(section->id, show_all_entries, entries);
3160  }
3161  }
3162  return ret;
3163 }
3164 
3165 static int opt_show_entries(void *optctx, const char *opt, const char *arg)
3166 {
3167  const char *p = arg;
3168  int ret = 0;
3169 
3170  while (*p) {
3171  AVDictionary *entries = NULL;
3172  char *section_name = av_get_token(&p, "=:");
3173  int show_all_entries = 0;
3174 
3175  if (!section_name) {
3177  "Missing section name for option '%s'\n", opt);
3178  return AVERROR(EINVAL);
3179  }
3180 
3181  if (*p == '=') {
3182  p++;
3183  while (*p && *p != ':') {
3184  char *entry = av_get_token(&p, ",:");
3185  if (!entry)
3186  break;
3188  "Adding '%s' to the entries to show in section '%s'\n",
3189  entry, section_name);
3190  av_dict_set(&entries, entry, "", AV_DICT_DONT_STRDUP_KEY);
3191  if (*p == ',')
3192  p++;
3193  }
3194  } else {
3195  show_all_entries = 1;
3196  }
3197 
3198  ret = match_section(section_name, show_all_entries, entries);
3199  if (ret == 0) {
3200  av_log(NULL, AV_LOG_ERROR, "No match for section '%s'\n", section_name);
3201  ret = AVERROR(EINVAL);
3202  }
3203  av_dict_free(&entries);
3204  av_free(section_name);
3205 
3206  if (ret <= 0)
3207  break;
3208  if (*p)
3209  p++;
3210  }
3211 
3212  return ret;
3213 }
3214 
3215 static int opt_show_format_entry(void *optctx, const char *opt, const char *arg)
3216 {
3217  char *buf = av_asprintf("format=%s", arg);
3218  int ret;
3219 
3220  if (!buf)
3221  return AVERROR(ENOMEM);
3222 
3224  "Option '%s' is deprecated, use '-show_entries format=%s' instead\n",
3225  opt, arg);
3226  ret = opt_show_entries(optctx, opt, buf);
3227  av_free(buf);
3228  return ret;
3229 }
3230 
3231 static void opt_input_file(void *optctx, const char *arg)
3232 {
3233  if (input_filename) {
3235  "Argument '%s' provided as input filename, but '%s' was already specified.\n",
3236  arg, input_filename);
3237  exit_program(1);
3238  }
3239  if (!strcmp(arg, "-"))
3240  arg = "pipe:";
3241  input_filename = arg;
3242 }
3243 
3244 static int opt_input_file_i(void *optctx, const char *opt, const char *arg)
3245 {
3246  opt_input_file(optctx, arg);
3247  return 0;
3248 }
3249 
3250 void show_help_default(const char *opt, const char *arg)
3251 {
3253  show_usage();
3254  show_help_options(options, "Main options:", 0, 0, 0);
3255  printf("\n");
3256 
3259 }
3260 
3261 /**
3262  * Parse interval specification, according to the format:
3263  * INTERVAL ::= [START|+START_OFFSET][%[END|+END_OFFSET]]
3264  * INTERVALS ::= INTERVAL[,INTERVALS]
3265 */
3266 static int parse_read_interval(const char *interval_spec,
3267  ReadInterval *interval)
3268 {
3269  int ret = 0;
3270  char *next, *p, *spec = av_strdup(interval_spec);
3271  if (!spec)
3272  return AVERROR(ENOMEM);
3273 
3274  if (!*spec) {
3275  av_log(NULL, AV_LOG_ERROR, "Invalid empty interval specification\n");
3276  ret = AVERROR(EINVAL);
3277  goto end;
3278  }
3279 
3280  p = spec;
3281  next = strchr(spec, '%');
3282  if (next)
3283  *next++ = 0;
3284 
3285  /* parse first part */
3286  if (*p) {
3287  interval->has_start = 1;
3288 
3289  if (*p == '+') {
3290  interval->start_is_offset = 1;
3291  p++;
3292  } else {
3293  interval->start_is_offset = 0;
3294  }
3295 
3296  ret = av_parse_time(&interval->start, p, 1);
3297  if (ret < 0) {
3298  av_log(NULL, AV_LOG_ERROR, "Invalid interval start specification '%s'\n", p);
3299  goto end;
3300  }
3301  } else {
3302  interval->has_start = 0;
3303  }
3304 
3305  /* parse second part */
3306  p = next;
3307  if (p && *p) {
3308  int64_t us;
3309  interval->has_end = 1;
3310 
3311  if (*p == '+') {
3312  interval->end_is_offset = 1;
3313  p++;
3314  } else {
3315  interval->end_is_offset = 0;
3316  }
3317 
3318  if (interval->end_is_offset && *p == '#') {
3319  long long int lli;
3320  char *tail;
3321  interval->duration_frames = 1;
3322  p++;
3323  lli = strtoll(p, &tail, 10);
3324  if (*tail || lli < 0) {
3326  "Invalid or negative value '%s' for duration number of frames\n", p);
3327  goto end;
3328  }
3329  interval->end = lli;
3330  } else {
3331  ret = av_parse_time(&us, p, 1);
3332  if (ret < 0) {
3333  av_log(NULL, AV_LOG_ERROR, "Invalid interval end/duration specification '%s'\n", p);
3334  goto end;
3335  }
3336  interval->end = us;
3337  }
3338  } else {
3339  interval->has_end = 0;
3340  }
3341 
3342 end:
3343  av_free(spec);
3344  return ret;
3345 }
3346 
3347 static int parse_read_intervals(const char *intervals_spec)
3348 {
3349  int ret, n, i;
3350  char *p, *spec = av_strdup(intervals_spec);
3351  if (!spec)
3352  return AVERROR(ENOMEM);
3353 
3354  /* preparse specification, get number of intervals */
3355  for (n = 0, p = spec; *p; p++)
3356  if (*p == ',')
3357  n++;
3358  n++;
3359 
3360  read_intervals = av_malloc_array(n, sizeof(*read_intervals));
3361  if (!read_intervals) {
3362  ret = AVERROR(ENOMEM);
3363  goto end;
3364  }
3365  read_intervals_nb = n;
3366 
3367  /* parse intervals */
3368  p = spec;
3369  for (i = 0; p; i++) {
3370  char *next;
3371 
3373  next = strchr(p, ',');
3374  if (next)
3375  *next++ = 0;
3376 
3377  read_intervals[i].id = i;
3378  ret = parse_read_interval(p, &read_intervals[i]);
3379  if (ret < 0) {
3380  av_log(NULL, AV_LOG_ERROR, "Error parsing read interval #%d '%s'\n",
3381  i, p);
3382  goto end;
3383  }
3384  av_log(NULL, AV_LOG_VERBOSE, "Parsed log interval ");
3385  log_read_interval(&read_intervals[i], NULL, AV_LOG_VERBOSE);
3386  p = next;
3387  }
3389 
3390 end:
3391  av_free(spec);
3392  return ret;
3393 }
3394 
3395 static int opt_read_intervals(void *optctx, const char *opt, const char *arg)
3396 {
3397  return parse_read_intervals(arg);
3398 }
3399 
3400 static int opt_pretty(void *optctx, const char *opt, const char *arg)
3401 {
3402  show_value_unit = 1;
3403  use_value_prefix = 1;
3406  return 0;
3407 }
3408 
3409 static void print_section(SectionID id, int level)
3410 {
3411  const SectionID *pid;
3412  const struct section *section = &sections[id];
3413  printf("%c%c%c",
3414  section->flags & SECTION_FLAG_IS_WRAPPER ? 'W' : '.',
3415  section->flags & SECTION_FLAG_IS_ARRAY ? 'A' : '.',
3416  section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS ? 'V' : '.');
3417  printf("%*c %s", level * 4, ' ', section->name);
3418  if (section->unique_name)
3419  printf("/%s", section->unique_name);
3420  printf("\n");
3421 
3422  for (pid = section->children_ids; *pid != -1; pid++)
3423  print_section(*pid, level+1);
3424 }
3425 
3426 static int opt_sections(void *optctx, const char *opt, const char *arg)
3427 {
3428  printf("Sections:\n"
3429  "W.. = Section is a wrapper (contains other sections, no local entries)\n"
3430  ".A. = Section contains an array of elements of the same type\n"
3431  "..V = Section may contain a variable number of fields with variable keys\n"
3432  "FLAGS NAME/UNIQUE_NAME\n"
3433  "---\n");
3435  return 0;
3436 }
3437 
3438 static int opt_show_versions(const char *opt, const char *arg)
3439 {
3442  return 0;
3443 }
3444 
3445 #define DEFINE_OPT_SHOW_SECTION(section, target_section_id) \
3446  static int opt_show_##section(const char *opt, const char *arg) \
3447  { \
3448  mark_section_show_entries(SECTION_ID_##target_section_id, 1, NULL); \
3449  return 0; \
3450  }
3451 
3452 DEFINE_OPT_SHOW_SECTION(chapters, CHAPTERS)
3456 DEFINE_OPT_SHOW_SECTION(library_versions, LIBRARY_VERSIONS)
3457 DEFINE_OPT_SHOW_SECTION(packets, PACKETS)
3458 DEFINE_OPT_SHOW_SECTION(pixel_formats, PIXEL_FORMATS)
3459 DEFINE_OPT_SHOW_SECTION(program_version, PROGRAM_VERSION)
3460 DEFINE_OPT_SHOW_SECTION(streams, STREAMS)
3461 DEFINE_OPT_SHOW_SECTION(programs, PROGRAMS)
3462 
3463 static const OptionDef real_options[] = {
3465  { "f", HAS_ARG, {.func_arg = opt_format}, "force format", "format" },
3466  { "unit", OPT_BOOL, {&show_value_unit}, "show unit of the displayed values" },
3467  { "prefix", OPT_BOOL, {&use_value_prefix}, "use SI prefixes for the displayed values" },
3468  { "byte_binary_prefix", OPT_BOOL, {&use_byte_value_binary_prefix},
3469  "use binary prefixes for byte units" },
3470  { "sexagesimal", OPT_BOOL, {&use_value_sexagesimal_format},
3471  "use sexagesimal format HOURS:MM:SS.MICROSECONDS for time units" },
3472  { "pretty", 0, {.func_arg = opt_pretty},
3473  "prettify the format of displayed values, make it more human readable" },
3474  { "print_format", OPT_STRING | HAS_ARG, {(void*)&print_format},
3475  "set the output printing format (available formats are: default, compact, csv, flat, ini, json, xml)", "format" },
3476  { "of", OPT_STRING | HAS_ARG, {(void*)&print_format}, "alias for -print_format", "format" },
3477  { "select_streams", OPT_STRING | HAS_ARG, {(void*)&stream_specifier}, "select the specified streams", "stream_specifier" },
3478  { "sections", OPT_EXIT, {.func_arg = opt_sections}, "print sections structure and section information, and exit" },
3479  { "show_data", OPT_BOOL, {(void*)&do_show_data}, "show packets data" },
3480  { "show_data_hash", OPT_STRING | HAS_ARG, {(void*)&show_data_hash}, "show packets data hash" },
3481  { "show_error", 0, {(void*)&opt_show_error}, "show probing error" },
3482  { "show_format", 0, {(void*)&opt_show_format}, "show format/container info" },
3483  { "show_frames", 0, {(void*)&opt_show_frames}, "show frames info" },
3484  { "show_format_entry", HAS_ARG, {.func_arg = opt_show_format_entry},
3485  "show a particular entry from the format/container info", "entry" },
3486  { "show_entries", HAS_ARG, {.func_arg = opt_show_entries},
3487  "show a set of specified entries", "entry_list" },
3488 #if HAVE_THREADS
3489  { "show_log", OPT_INT|HAS_ARG, {(void*)&do_show_log}, "show log" },
3490 #endif
3491  { "show_packets", 0, {(void*)&opt_show_packets}, "show packets info" },
3492  { "show_programs", 0, {(void*)&opt_show_programs}, "show programs info" },
3493  { "show_streams", 0, {(void*)&opt_show_streams}, "show streams info" },
3494  { "show_chapters", 0, {(void*)&opt_show_chapters}, "show chapters info" },
3495  { "count_frames", OPT_BOOL, {(void*)&do_count_frames}, "count the number of frames per stream" },
3496  { "count_packets", OPT_BOOL, {(void*)&do_count_packets}, "count the number of packets per stream" },
3497  { "show_program_version", 0, {(void*)&opt_show_program_version}, "show ffprobe version" },
3498  { "show_library_versions", 0, {(void*)&opt_show_library_versions}, "show library versions" },
3499  { "show_versions", 0, {(void*)&opt_show_versions}, "show program and library versions" },
3500  { "show_pixel_formats", 0, {(void*)&opt_show_pixel_formats}, "show pixel format descriptions" },
3501  { "show_private_data", OPT_BOOL, {(void*)&show_private_data}, "show private data" },
3502  { "private", OPT_BOOL, {(void*)&show_private_data}, "same as show_private_data" },
3503  { "bitexact", OPT_BOOL, {&do_bitexact}, "force bitexact output" },
3504  { "read_intervals", HAS_ARG, {.func_arg = opt_read_intervals}, "set read intervals", "read_intervals" },
3505  { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {.func_arg = opt_default}, "generic catch all option", "" },
3506  { "i", HAS_ARG, {.func_arg = opt_input_file_i}, "read specified file", "input_file"},
3507  { "find_stream_info", OPT_BOOL | OPT_INPUT | OPT_EXPERT, { &find_stream_info },
3508  "read and decode the streams to fill missing information with heuristics" },
3509  { NULL, },
3510 };
3511 
3512 static inline int check_section_show_entries(int section_id)
3513 {
3514  int *id;
3515  struct section *section = &sections[section_id];
3516  if (sections[section_id].show_all_entries || sections[section_id].entries_to_show)
3517  return 1;
3518  for (id = section->children_ids; *id != -1; id++)
3519  if (check_section_show_entries(*id))
3520  return 1;
3521  return 0;
3522 }
3523 
3524 #define SET_DO_SHOW(id, varname) do { \
3525  if (check_section_show_entries(SECTION_ID_##id)) \
3526  do_show_##varname = 1; \
3527  } while (0)
3528 
3529 int main(int argc, char **argv)
3530 {
3531  const Writer *w;
3532  WriterContext *wctx;
3533  char *buf;
3534  char *w_name = NULL, *w_args = NULL;
3535  int ret, i;
3536 
3537  init_dynload();
3538 
3539 #if HAVE_THREADS
3540  ret = pthread_mutex_init(&log_mutex, NULL);
3541  if (ret != 0) {
3542  goto end;
3543  }
3544 #endif
3547 
3548  options = real_options;
3549  parse_loglevel(argc, argv, options);
3550  av_register_all();
3552  init_opts();
3553 #if CONFIG_AVDEVICE
3555 #endif
3556 
3557  show_banner(argc, argv, options);
3558  parse_options(NULL, argc, argv, options, opt_input_file);
3559 
3560  if (do_show_log)
3562 
3563  /* mark things to show, based on -show_entries */
3564  SET_DO_SHOW(CHAPTERS, chapters);
3565  SET_DO_SHOW(ERROR, error);
3566  SET_DO_SHOW(FORMAT, format);
3567  SET_DO_SHOW(FRAMES, frames);
3568  SET_DO_SHOW(LIBRARY_VERSIONS, library_versions);
3569  SET_DO_SHOW(PACKETS, packets);
3570  SET_DO_SHOW(PIXEL_FORMATS, pixel_formats);
3571  SET_DO_SHOW(PIXEL_FORMAT_FLAGS, pixel_format_flags);
3572  SET_DO_SHOW(PIXEL_FORMAT_COMPONENTS, pixel_format_components);
3573  SET_DO_SHOW(PROGRAM_VERSION, program_version);
3574  SET_DO_SHOW(PROGRAMS, programs);
3575  SET_DO_SHOW(STREAMS, streams);
3576  SET_DO_SHOW(STREAM_DISPOSITION, stream_disposition);
3577  SET_DO_SHOW(PROGRAM_STREAM_DISPOSITION, stream_disposition);
3578 
3579  SET_DO_SHOW(CHAPTER_TAGS, chapter_tags);
3580  SET_DO_SHOW(FORMAT_TAGS, format_tags);
3581  SET_DO_SHOW(FRAME_TAGS, frame_tags);
3582  SET_DO_SHOW(PROGRAM_TAGS, program_tags);
3583  SET_DO_SHOW(STREAM_TAGS, stream_tags);
3584  SET_DO_SHOW(PROGRAM_STREAM_TAGS, stream_tags);
3585  SET_DO_SHOW(PACKET_TAGS, packet_tags);
3586 
3589  "-bitexact and -show_program_version or -show_library_versions "
3590  "options are incompatible\n");
3591  ret = AVERROR(EINVAL);
3592  goto end;
3593  }
3594 
3596 
3597  if (!print_format)
3598  print_format = av_strdup("default");
3599  if (!print_format) {
3600  ret = AVERROR(ENOMEM);
3601  goto end;
3602  }
3603  w_name = av_strtok(print_format, "=", &buf);
3604  if (!w_name) {
3606  "No name specified for the output format\n");
3607  ret = AVERROR(EINVAL);
3608  goto end;
3609  }
3610  w_args = buf;
3611 
3612  if (show_data_hash) {
3613  if ((ret = av_hash_alloc(&hash, show_data_hash)) < 0) {
3614  if (ret == AVERROR(EINVAL)) {
3615  const char *n;
3617  "Unknown hash algorithm '%s'\nKnown algorithms:",
3618  show_data_hash);
3619  for (i = 0; (n = av_hash_names(i)); i++)
3620  av_log(NULL, AV_LOG_ERROR, " %s", n);
3621  av_log(NULL, AV_LOG_ERROR, "\n");
3622  }
3623  goto end;
3624  }
3625  }
3626 
3627  w = writer_get_by_name(w_name);
3628  if (!w) {
3629  av_log(NULL, AV_LOG_ERROR, "Unknown output format with name '%s'\n", w_name);
3630  ret = AVERROR(EINVAL);
3631  goto end;
3632  }
3633 
3634  if ((ret = writer_open(&wctx, w, w_args,
3635  sections, FF_ARRAY_ELEMS(sections))) >= 0) {
3636  if (w == &xml_writer)
3638 
3640 
3647 
3648  if (!input_filename &&
3651  show_usage();
3652  av_log(NULL, AV_LOG_ERROR, "You have to specify one input file.\n");
3653  av_log(NULL, AV_LOG_ERROR, "Use -h to get full help or, even better, run 'man %s'.\n", program_name);
3654  ret = AVERROR(EINVAL);
3655  } else if (input_filename) {
3656  ret = probe_file(wctx, input_filename);
3657  if (ret < 0 && do_show_error)
3658  show_error(wctx, ret);
3659  }
3660 
3662  writer_close(&wctx);
3663  }
3664 
3665 end:
3667  av_freep(&read_intervals);
3668  av_hash_freep(&hash);
3669 
3670  uninit_opts();
3671  for (i = 0; i < FF_ARRAY_ELEMS(sections); i++)
3672  av_dict_free(&(sections[i].entries_to_show));
3673 
3675 
3676  return ret < 0;
3677 }
unsigned int nb_chapters
Number of chapters in AVChapter array.
Definition: avformat.h:1556
category
Definition: openal-dec.c:248
int32_t pitch
Rotation around the right vector [-90, 90].
Definition: spherical.h:127
void init_dynload(void)
Initialize dynamic library loading.
Definition: cmdutils.c:119
#define AV_STEREO3D_FLAG_INVERT
Inverted views, Right/Bottom represents the left view.
Definition: stereo3d.h:148
int(* init)(WriterContext *wctx)
Definition: ffprobe.c:433
codec_id is not known (like AV_CODEC_ID_NONE) but lavf should attempt to identify it ...
Definition: avcodec.h:687
AVClassCategory parent_category
Definition: ffprobe.c:290
enum AVChromaLocation chroma_location
Definition: avcodec.h:4219
const struct section * section[SECTION_MAX_NB_LEVELS]
section per each level
Definition: ffprobe.c:461
#define NULL
Definition: coverity.c:32
const struct AVCodec * codec
Definition: avcodec.h:1755
AVRational framerate
Definition: avcodec.h:3443
const char const char void * val
Definition: avisynth_c.h:771
static char * value_string(char *buf, int buf_size, struct unit_value uv)
Definition: ffprobe.c:361
static int do_show_program_tags
Definition: ffprobe.c:108
enum AVFieldOrder field_order
Video only.
Definition: avcodec.h:4210
const char * s
Definition: avisynth_c.h:768
unsigned int nb_item[SECTION_MAX_NB_LEVELS]
number of the item printed in the given section, starting from 0
Definition: ffprobe.c:458
enum AVColorTransferCharacteristic color_trc
Definition: avcodec.h:4217
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
Definition: error.h:59
double dec_val
Definition: ffprobe.c:259
static int show_tags(WriterContext *w, AVDictionary *tags, int section_id)
Definition: ffprobe.c:1835
#define OPT_EXPERT
Definition: cmdutils.h:168
int64_t avio_size(AVIOContext *s)
Get the filesize.
Definition: aviobuf.c:327
int av_utf8_decode(int32_t *codep, const uint8_t **bufp, const uint8_t *buf_end, unsigned int flags)
Read and decode a single UTF-8 code point (character) from the buffer in *buf, and update *buf to poi...
Definition: avstring.c:366
void av_bprintf(AVBPrint *buf, const char *fmt,...)
Definition: bprint.c:94
int nested_section[SECTION_MAX_NB_LEVELS]
Definition: ffprobe.c:921
static av_always_inline int pthread_mutex_destroy(pthread_mutex_t *mutex)
Definition: os2threads.h:106
double bin_val
Definition: ffprobe.c:258
This structure describes decoded (raw) audio or video data.
Definition: frame.h:201
#define pthread_mutex_lock(a)
Definition: ffprobe.c:61
static void json_print_int(WriterContext *wctx, const char *key, long long int value)
Definition: ffprobe.c:1586
static void default_print_section_header(WriterContext *wctx)
Definition: ffprobe.c:947
unsigned MaxCLL
Max content light level (cd/m^2).
static int writer_register(const Writer *writer)
Definition: ffprobe.c:879
AVOption.
Definition: opt.h:246
ptrdiff_t const GLvoid * data
Definition: opengl_enc.c:101
#define print_ts(k, v)
Definition: ffprobe.c:1814
static int opt_input_file_i(void *optctx, const char *opt, const char *arg)
Definition: ffprobe.c:3244
static int opt_format(void *optctx, const char *opt, const char *arg)
Definition: ffprobe.c:3121
int within_tag
Definition: ffprobe.c:1617
#define SHOW_LIB_VERSION(libname, LIBNAME)
Definition: ffprobe.c:3040
#define OPT_VIDEO
Definition: cmdutils.h:170
int coded_width
Bitstream width / height, may be different from width/height e.g.
Definition: avcodec.h:1948
int64_t pkt_pos
reordered pos from the last AVPacket that has been input into the decoder
Definition: frame.h:473
static void writer_print_rational(WriterContext *wctx, const char *key, AVRational q, char sep)
Definition: ffprobe.c:771
void(* print_string)(WriterContext *wctx, const char *, const char *)
Definition: ffprobe.c:440
const char * fmt
Definition: avisynth_c.h:769
static int opt_show_format_entry(void *optctx, const char *opt, const char *arg)
Definition: ffprobe.c:3215
static const char unit_hertz_str[]
Definition: ffprobe.c:272
#define AV_LOG_WARNING
Something somehow does not look correct.
Definition: log.h:182
const char * sep_str
Definition: ffprobe.c:1227
#define LIBAVUTIL_VERSION_INT
Definition: version.h:86
#define PLANAR
Definition: flacdsp.c:43
int64_t pos
byte position in stream, -1 if unknown
Definition: avcodec.h:1691
static const char * xml_escape_str(AVBPrint *dst, const char *src, void *log_ctx)
Definition: ffprobe.c:1664
#define AV_DICT_DONT_OVERWRITE
Don't overwrite existing entries.
Definition: dict.h:79
int av_parse_time(int64_t *timeval, const char *timestr, int duration)
Parse timestr and return in *time a corresponding number of microseconds.
Definition: parseutils.c:587
static void json_print_section_footer(WriterContext *wctx)
Definition: ffprobe.c:1541
static void writer_close(WriterContext **wctx)
Definition: ffprobe.c:511
static av_cold int init(AVCodecContext *avctx)
Definition: avrndec.c:35
AVDictionary * metadata
Definition: frame.h:167
static int do_show_data
Definition: ffprobe.c:97
static int read_intervals_nb
Definition: ffprobe.c:131
int av_get_bits_per_pixel(const AVPixFmtDescriptor *pixdesc)
Return the number of bits per pixel used by the pixel format described by pixdesc.
Definition: pixdesc.c:2367
static void writer_print_integer(WriterContext *wctx, const char *key, long long int val)
Definition: ffprobe.c:666
static int do_show_stream_tags
Definition: ffprobe.c:109
static char * ini_escape_str(AVBPrint *dst, const char *src)
Definition: ffprobe.c:1365
AVRational av_guess_sample_aspect_ratio(AVFormatContext *format, AVStream *stream, AVFrame *frame)
Guess the sample aspect ratio of a frame, based on both the stream and the frame aspect ratio...
Definition: utils.c:4915
This side data should be associated with a video stream and contains Stereoscopic 3D information in f...
Definition: avcodec.h:1478
void av_opt_set_defaults(void *s)
Set the values of all AVOption fields to their default values.
Definition: opt.c:1291
#define OPT_AUDIO
Definition: cmdutils.h:171
static AVFormatContext * fmt_ctx
static int show_streams(WriterContext *w, InputFile *ifile)
Definition: ffprobe.c:2664
static char * print_format
Definition: ffprobe.c:118
Video represents a portion of a sphere mapped on a flat surface using equirectangular projection...
Definition: spherical.h:72
enum AVCodecID codec_id
Specific type of the encoded data (the codec used).
Definition: avcodec.h:4129
AVRational white_point[2]
CIE 1931 xy chromaticity coords of white point.
static const Writer json_writer
Definition: ffprobe.c:1601
Content light level (based on CTA-861.3).
Definition: frame.h:136
void av_codec_set_pkt_timebase(AVCodecContext *avctx, AVRational val)
int num
Numerator.
Definition: rational.h:59
int repeat_pict
When decoding, this signals how much the picture must be delayed.
Definition: frame.h:343
int index
stream index in AVFormatContext
Definition: avformat.h:890
int size
Definition: avcodec.h:1672
static const AVOption writer_options[]
Definition: ffprobe.c:482
const char * b
Definition: vf_curves.c:113
static void writer_print_integers(WriterContext *wctx, const char *name, uint8_t *data, int size, const char *format, int columns, int bytes, int offset_add)
Definition: ffprobe.c:849
static void log_callback(void *ptr, int level, const char *fmt, va_list vl)
Definition: ffprobe.c:296
static int show_stream(WriterContext *w, AVFormatContext *fmt_ctx, int stream_idx, InputStream *ist, int in_program)
Definition: ffprobe.c:2422
#define print_str_opt(k, v)
Definition: ffprobe.c:1811
void(* print_integer)(WriterContext *wctx, const char *, long long int)
Definition: ffprobe.c:438
static int read_packets(WriterContext *w, InputFile *ifile)
Definition: ffprobe.c:2402
int64_t bit_rate
Total stream bitrate in bit/s, 0 if not available.
Definition: avformat.h:1451
int show_all_entries
Definition: ffprobe.c:152
void show_banner(int argc, char **argv, const OptionDef *options)
Print the program banner to stderr.
Definition: cmdutils.c:1150
char * av_timecode_make_mpeg_tc_string(char *buf, uint32_t tc25bit)
Get the timecode string from the 25-bit timecode format (MPEG GOP format).
Definition: timecode.c:130
int log_level
Definition: ffprobe.c:286
int av_dict_copy(AVDictionary **dst, const AVDictionary *src, int flags)
Copy entries from one AVDictionary struct into another.
Definition: dict.c:217
Mastering display metadata associated with a video frame.
Definition: frame.h:119
static const AVClass writer_class
Definition: ffprobe.c:503
static int do_show_packets
Definition: ffprobe.c:93
unsigned num_rects
Definition: avcodec.h:4109
static int do_show_format_tags
Definition: ffprobe.c:106
static int writer_open(WriterContext **wctx, const Writer *writer, const char *args, const struct section *sections, int nb_sections)
Definition: ffprobe.c:538
void(* uninit)(WriterContext *wctx)
Definition: ffprobe.c:434
static void bprint_bytes(AVBPrint *bp, const uint8_t *ubuf, size_t ubuf_size)
Definition: ffprobe.c:529
int has_primaries
Flag indicating whether the display primaries (and white point) are set.
void * av_mallocz(size_t size)
Allocate a memory block with alignment suitable for all memory accesses (including vectors if availab...
Definition: mem.c:222
static void json_print_item_str(WriterContext *wctx, const char *key, const char *value)
Definition: ffprobe.c:1563
char * escape_mode_str
Definition: ffprobe.c:1071
static const Writer default_writer
Definition: ffprobe.c:1003
discard all
Definition: avcodec.h:829
AVPacketSideData * side_data
An array of side data that applies to the whole stream (i.e.
Definition: avformat.h:999
static void show_frame(WriterContext *w, AVFrame *frame, AVStream *stream, AVFormatContext *fmt_ctx)
Definition: ffprobe.c:2057
static const char * json_escape_str(AVBPrint *dst, const char *src, void *log_ctx)
Definition: ffprobe.c:1481
static AVPacket pkt
static void xml_print_section_footer(WriterContext *wctx)
Definition: ffprobe.c:1724
int bits_per_raw_sample
Bits per sample/pixel of internal libavcodec pixel/sample format.
Definition: avcodec.h:3147
static void mark_section_show_entries(SectionID section_id, int show_all_entries, AVDictionary *entries)
Definition: ffprobe.c:3131
static int do_show_error
Definition: ffprobe.c:90
int avcodec_decode_subtitle2(AVCodecContext *avctx, AVSubtitle *sub, int *got_sub_ptr, AVPacket *avpkt)
Decode a subtitle message.
Definition: decode.c:997
AVDictionary * metadata
Definition: avformat.h:1310
#define src
Definition: vp8dsp.c:254
static uint64_t * nb_streams_frames
Definition: ffprobe.c:278
int has_nested_elems[SECTION_MAX_NB_LEVELS]
Definition: ffprobe.c:1074
static int validate_string(WriterContext *wctx, char **dstp, const char *src)
Definition: ffprobe.c:677
AVCodec.
Definition: avcodec.h:3722
static int open_input_file(InputFile *ifile, const char *filename)
Definition: ffprobe.c:2804
#define CMDUTILS_COMMON_OPTIONS
Definition: cmdutils.h:231
uint8_t log2_chroma_w
Amount to shift the luma width right to find the chroma width.
Definition: pixdesc.h:92
AVDictionary * filter_codec_opts(AVDictionary *opts, enum AVCodecID codec_id, AVFormatContext *s, AVStream *st, AVCodec *codec)
Filter out options for given codec.
Definition: cmdutils.c:2002
This struct describes the properties of an encoded stream.
Definition: avcodec.h:4121
int av_bprint_finalize(AVBPrint *buf, char **ret_str)
Finalize a print buffer.
Definition: bprint.c:235
static int do_count_frames
Definition: ffprobe.c:85
#define SECTION_MAX_NB_LEVELS
Definition: ffprobe.c:444
enum AVColorSpace color_space
Definition: avcodec.h:4218
static void * writer_child_next(void *obj, void *prev)
Definition: ffprobe.c:495
const char * av_color_space_name(enum AVColorSpace space)
Definition: pixdesc.c:2760
int indent_level
Definition: ffprobe.c:1618
int end_is_offset
Definition: ffprobe.c:126
#define log2(x)
Definition: libm.h:404
static const AVOption default_options[]
Definition: ffprobe.c:927
static av_always_inline int process_frame(WriterContext *w, InputFile *ifile, AVFrame *frame, AVPacket *pkt, int *packet_new)
Definition: ffprobe.c:2210
Mastering display metadata (based on SMPTE-2086:2014).
Definition: avcodec.h:1586
AVRational time_base
This is the fundamental unit of time (in seconds) in terms of which frame timestamps are represented...
Definition: avcodec.h:1883
#define AV_DICT_DONT_STRDUP_KEY
Take ownership of a key that's been allocated with av_malloc() or another memory allocation function...
Definition: dict.h:73
#define AVFMT_SHOW_IDS
Show format stream IDs numbers.
Definition: avformat.h:480
const char *(* escape_str)(AVBPrint *dst, const char *src, const char sep, void *log_ctx)
Definition: ffprobe.c:1072
Format I/O context.
Definition: avformat.h:1349
#define OFFSET(x)
Definition: ffprobe.c:1624
#define AV_HASH_MAX_SIZE
Maximum value that av_hash_get_size() will currently return.
Definition: hash.h:155
const AVClass * avcodec_get_class(void)
Get the AVClass for AVCodecContext.
Definition: options.c:295
unsigned int nb_stream_indexes
Definition: avformat.h:1281
const char * element_name
name of the contained element, if provided
Definition: ffprobe.c:149
static void writer_print_section_header(WriterContext *wctx, int section_id)
Definition: ffprobe.c:625
static void compact_print_section_footer(WriterContext *wctx)
Definition: ffprobe.c:1147
const char * class_name
The name of the class; usually it is the same name as the context structure type to which the AVClass...
Definition: log.h:72
#define av_assert0(cond)
assert() equivalent, that is always enabled.
Definition: avassert.h:37
Public dictionary API.
const char * name
Definition: opt.h:247
unsigned int nb_section_packet
number of the packet section in case we are in "packets_and_frames" section
Definition: ffprobe.c:465
static void ini_print_section_header(WriterContext *wctx)
Definition: ffprobe.c:1392
#define print_duration_ts(k, v)
Definition: ffprobe.c:1816
#define DEFAULT
Definition: avdct.c:28
HMTX pthread_mutex_t
Definition: os2threads.h:49
void register_exit(void(*cb)(int ret))
Register a program-specific cleanup routine.
Definition: cmdutils.c:130
AVComponentDescriptor comp[4]
Parameters that describe how pixels are packed.
Definition: pixdesc.h:117
void log_callback_help(void *ptr, int level, const char *fmt, va_list vl)
Trivial log callback.
Definition: cmdutils.c:98
uint8_t
static int nb_streams
Definition: ffprobe.c:276
#define av_cold
Definition: attributes.h:82
AVFrame * av_frame_alloc(void)
Allocate an AVFrame and set its fields to default values.
Definition: frame.c:150
static int do_read_packets
Definition: ffprobe.c:88
int opt_default(void *optctx, const char *opt, const char *arg)
Fallback for options that are not explicitly handled, these will be parsed through AVOptions...
Definition: cmdutils.c:544
static int opt_read_intervals(void *optctx, const char *opt, const char *arg)
Definition: ffprobe.c:3395
int av_packet_unpack_dictionary(const uint8_t *data, int size, AVDictionary **dict)
Unpack a dictionary from side_data.
Definition: avpacket.c:544
int width
Video only.
Definition: avcodec.h:4195
Generic hashing API.
static int do_show_pixel_format_components
Definition: ffprobe.c:102
static int * selected_streams
Definition: ffprobe.c:279
AVOptions.
int flags
Can use flags: AVFMT_NOFILE, AVFMT_NEEDNUMBER, AVFMT_SHOW_IDS, AVFMT_GENERIC_INDEX, AVFMT_TS_DISCONT, AVFMT_NOBINSEARCH, AVFMT_NOGENSEARCH, AVFMT_NO_BYTE_SEEK, AVFMT_SEEK_TO_PTS.
Definition: avformat.h:678
#define HAS_ARG
Definition: cmdutils.h:166
static void close_input_file(InputFile *ifile)
Definition: ffprobe.c:2922
timestamp utils, mostly useful for debugging/logging purposes
Stereo 3D type: this structure describes how two videos are packed within a single video surface...
Definition: stereo3d.h:157
#define va_copy(dst, src)
Definition: va_copy.h:31
static const char * flat_escape_value_str(AVBPrint *dst, const char *src)
Definition: ffprobe.c:1274
static void writer_print_time(WriterContext *wctx, const char *key, int64_t ts, const AVRational *time_base, int is_duration)
Definition: ffprobe.c:780
const char * av_color_range_name(enum AVColorRange range)
Definition: pixdesc.c:2742
static av_cold int end(AVCodecContext *avctx)
Definition: avrndec.c:90
int id
unique ID to identify the chapter
Definition: avformat.h:1307
static int show_chapters(WriterContext *w, InputFile *ifile)
Definition: ffprobe.c:2734
int64_t duration
Duration of this packet in AVStream->time_base units, 0 if unknown.
Definition: avcodec.h:1689
static av_cold int compact_init(WriterContext *wctx)
Definition: ffprobe.c:1095
This side data contains a 3x3 transformation matrix describing an affine transformation that needs to...
Definition: avcodec.h:1472
static int find_stream_info
Definition: ffprobe.c:133
#define CHECK_END
int id
Format-specific stream ID.
Definition: avformat.h:896
static int do_show_library_versions
Definition: ffprobe.c:99
static void compact_print_section_header(WriterContext *wctx)
Definition: ffprobe.c:1117
#define ERROR(...)
int avformat_match_stream_specifier(AVFormatContext *s, AVStream *st, const char *spec)
Check if the stream st contained in s is matched by the stream specifier spec.
Definition: utils.c:4959
void av_spherical_tile_bounds(const AVSphericalMapping *map, size_t width, size_t height, size_t *left, size_t *top, size_t *right, size_t *bottom)
Convert the bounding fields from an AVSphericalVideo from 0.32 fixed point to pixels.
Definition: spherical.c:36
int64_t pts
Presentation timestamp in time_base units (time when frame should be shown to user).
Definition: frame.h:294
int nb_side_data
The number of elements in the AVStream.side_data array.
Definition: avformat.h:1003
static int match_section(const char *section_name, int show_all_entries, AVDictionary *entries)
Definition: ffprobe.c:3146
int pmt_pid
Definition: avformat.h:1285
void init_opts(void)
Initialize the cmdutils option system, in particular allocate the *_opts contexts.
Definition: cmdutils.c:84
AVStream ** streams
A list of all streams in the file.
Definition: avformat.h:1417
int avcodec_parameters_to_context(AVCodecContext *codec, const AVCodecParameters *par)
Fill the codec context based on the values from the supplied codec parameters.
Definition: utils.c:2354
void av_bprint_append_data(AVBPrint *buf, const char *data, unsigned size)
Append data to a print buffer.
Definition: bprint.c:158
static AVFrame * frame
AVFormatContext * avformat_alloc_context(void)
Allocate an AVFormatContext.
Definition: options.c:144
static void writer_print_data_hash(WriterContext *wctx, const char *name, uint8_t *data, int size)
Definition: ffprobe.c:834
const char * name
Definition: ffprobe.c:141
Structure to hold side data for an AVFrame.
Definition: frame.h:163
const char * av_stereo3d_type_name(unsigned int type)
Provide a human-readable name of a given stereo3d type.
Definition: stereo3d.c:57
static const AVOption json_options[]
Definition: ffprobe.c:1463
static void log_read_interval(const ReadInterval *interval, void *log_ctx, int log_level)
Definition: ffprobe.c:2272
static const char * writer_get_name(void *p)
Definition: ffprobe.c:474
AVDictionaryEntry * av_dict_get(const AVDictionary *m, const char *key, const AVDictionaryEntry *prev, int flags)
Get a dictionary entry with matching key.
Definition: dict.c:40
int nb_streams
Definition: ffmpeg.h:416
int flags
Flags modifying the (de)muxer behaviour.
Definition: avformat.h:1460
#define PRINT_DISPOSITION(flagname, name)
uint8_t * data
Definition: avcodec.h:1671
StringValidation
Definition: ffprobe.c:421
void parse_options(void *optctx, int argc, char **argv, const OptionDef *options, void(*parse_arg_function)(void *, const char *))
Definition: cmdutils.c:382
static double av_q2d(AVRational a)
Convert an AVRational to a double.
Definition: rational.h:104
#define SECTION_MAX_NB_CHILDREN
Definition: ffprobe.c:137
static int show_program(WriterContext *w, InputFile *ifile, AVProgram *program)
Definition: ffprobe.c:2681
static int flags
Definition: log.c:57
list ifile
Definition: normalize.py:6
uint32_t tag
Definition: movenc.c:1407
int avformat_network_init(void)
Do global initialization of network components.
Definition: utils.c:4850
char av_get_picture_type_char(enum AVPictureType pict_type)
Return a single letter to describe the given picture type pict_type.
Definition: utils.c:91
const AVClass * priv_class
private class of the writer, if any
Definition: ffprobe.c:429
#define AVERROR_EOF
End of file.
Definition: error.h:55
char * context_name
Definition: ffprobe.c:285
#define AV_LOG_VERBOSE
Detailed information.
Definition: log.h:192
int has_end
Definition: ffprobe.c:125
AVDictionary * metadata
metadata.
Definition: frame.h:488
uint8_t * data
Definition: avcodec.h:1615
static int check_section_show_entries(int section_id)
Definition: ffprobe.c:3512
int interlaced_frame
The content of the picture is interlaced.
Definition: frame.h:348
const AVClass * avformat_get_class(void)
Get the AVClass for AVFormatContext.
Definition: options.c:168
static void print_section(SectionID id, int level)
Definition: ffprobe.c:3409
void parse_loglevel(int argc, char **argv, const OptionDef *options)
Find the '-loglevel' option in the command line args and apply it.
Definition: cmdutils.c:505
external API header
void(* print_section_footer)(WriterContext *wctx)
Definition: ffprobe.c:437
ptrdiff_t size
Definition: opengl_enc.c:101
int av_reduce(int *dst_num, int *dst_den, int64_t num, int64_t den, int64_t max)
Reduce a fraction.
Definition: rational.c:35
int has_luminance
Flag indicating whether the luminance (min_ and max_) have been set.
void show_help_default(const char *opt, const char *arg)
Per-fftool specific help handler.
Definition: ffprobe.c:3250
void show_help_options(const OptionDef *options, const char *msg, int req_flags, int rej_flags, int alt_flags)
Print help for all options matching specified flags.
Definition: cmdutils.c:176
static const char * c_escape_str(AVBPrint *dst, const char *src, const char sep, void *log_ctx)
Apply C-language-like string escaping.
Definition: ffprobe.c:1019
static void writer_register_all(void)
Definition: ffprobe.c:1785
static void xml_print_str(WriterContext *wctx, const char *key, const char *value)
Definition: ffprobe.c:1743
int children_ids[SECTION_MAX_NB_CHILDREN+1]
list of children section IDS, terminated by -1
Definition: ffprobe.c:148
static void print_pkt_side_data(WriterContext *w, AVCodecParameters *par, const AVPacketSideData *side_data, int nb_side_data, SectionID id_data_list, SectionID id_data)
Definition: ffprobe.c:1853
int nb_side_data
Definition: frame.h:414
void * av_realloc_array(void *ptr, size_t nmemb, size_t size)
Definition: mem.c:184
static const char * input_filename
Definition: ffprobe.c:252
unsigned int * stream_index
Definition: avformat.h:1280
static void json_print_section_header(WriterContext *wctx)
Definition: ffprobe.c:1503
AVFrameSideData ** side_data
Definition: frame.h:413
uint64_t channel_layout
Audio only.
Definition: avcodec.h:4231
#define av_log(a,...)
int print_section
Definition: ffprobe.c:1070
static void ffprobe_show_program_version(WriterContext *w)
Definition: ffprobe.c:3024
static int do_show_chapter_tags
Definition: ffprobe.c:105
const char * name
Definition: pixdesc.h:82
int64_t start_time
Definition: avformat.h:1295
AVDictionary ** setup_find_stream_info_opts(AVFormatContext *s, AVDictionary *codec_opts)
Setup AVCodecContext options for avformat_find_stream_info().
Definition: cmdutils.c:2059
int64_t bit_rate
The average bitrate of the encoded data (in bits per second).
Definition: avcodec.h:4158
#define AV_PKT_FLAG_KEY
The packet contains a keyframe.
Definition: avcodec.h:1703
AVDictionary * format_opts
Definition: cmdutils.c:72
int hierarchical
Definition: ffprobe.c:1351
static int do_show_frames
Definition: ffprobe.c:92
static void * av_x_if_null(const void *p, const void *x)
Return x default pointer in case p is NULL.
Definition: avutil.h:308
int64_t av_rescale_q(int64_t a, AVRational bq, AVRational cq)
Rescale a 64-bit integer by 2 rational numbers.
Definition: mathematics.c:142
#define AV_RL8(x)
Definition: intreadwrite.h:403
int id
identifier
Definition: ffprobe.c:123
void av_dump_format(AVFormatContext *ic, int index, const char *url, int is_output)
Print detailed information about the input or output format, such as duration, bitrate, streams, container, programs, metadata, side data, codec and time base.
Definition: dump.c:555
Main libavdevice API header.
#define U(x)
Definition: vp56_arith.h:37
static int read_interval_packets(WriterContext *w, InputFile *ifile, const ReadInterval *interval, int64_t *cur_ts)
Definition: ffprobe.c:2296
static int do_show_chapters
Definition: ffprobe.c:89
char * string_validation_replacement
Definition: ffprobe.c:470
double d
Definition: ffprobe.c:357
libswresample public header
static int opt_show_versions(const char *opt, const char *arg)
Definition: ffprobe.c:3438
const char * av_chroma_location_name(enum AVChromaLocation location)
Definition: pixdesc.c:2766
Content light level needed by to transmit HDR over HDMI (CTA-861.3).
static const char unit_byte_str[]
Definition: ffprobe.c:273
void av_hash_init(AVHashContext *ctx)
Initialize or reset a hash context.
Definition: hash.c:137
const int program_birth_year
program birth year, defined by the program for show_banner()
Definition: ffprobe.c:82
int level
current level, starting from 0
Definition: ffprobe.c:455
int width
Definition: frame.h:259
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:176
AVDictionary * entries_to_show
Definition: ffprobe.c:151
static int do_show_pixel_format_flags
Definition: ffprobe.c:101
#define AV_DICT_MATCH_CASE
Only get an entry with exact-case key match.
Definition: dict.h:69
AVDictionary * metadata
Metadata that applies to the whole file.
Definition: avformat.h:1567
int av_get_bits_per_sample(enum AVCodecID codec_id)
Return codec bits per sample.
Definition: utils.c:1662
int flags
Additional information about the frame packing.
Definition: stereo3d.h:166
uint8_t log2_chroma_h
Amount to shift the luma height right to find the chroma height.
Definition: pixdesc.h:101
#define AV_BPRINT_SIZE_UNLIMITED
int xsd_strict
Definition: ffprobe.c:1620
#define print_int(k, v)
Definition: ffprobe.c:1808
void av_log_format_line(void *ptr, int level, const char *fmt, va_list vl, char *line, int line_size, int *print_prefix)
Format a line of log the same way as the default callback.
Definition: log.c:284
static void opt_input_file(void *optctx, const char *arg)
Definition: ffprobe.c:3231
static int opt_pretty(void *optctx, const char *opt, const char *arg)
Definition: ffprobe.c:3400
BYTE * dstp
Definition: avisynth_c.h:813
#define AVERROR(e)
Definition: error.h:43
#define SET_DO_SHOW(id, varname)
Definition: ffprobe.c:3524
int priv_size
private size for the writer context
Definition: ffprobe.c:430
#define AV_PIX_FMT_FLAG_RGB
The pixel format contains RGB-like data (as opposed to YUV/grayscale).
Definition: pixdesc.h:148
uint8_t * av_packet_get_side_data(const AVPacket *pkt, enum AVPacketSideDataType type, int *size)
Get side information from packet.
Definition: avpacket.c:350
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
Definition: frame.c:163
#define av_ts2timestr(ts, tb)
Convenience macro, the return value should be used only directly in function arguments but never stan...
Definition: timestamp.h:76
static const AVOption xml_options[]
Definition: ffprobe.c:1626
Display matrix.
enum AVColorPrimaries color_primaries
Definition: avcodec.h:4216
void av_bprint_init(AVBPrint *buf, unsigned size_init, unsigned size_max)
Definition: bprint.c:69
int video_delay
Video only.
Definition: avcodec.h:4224
#define SECTION_FLAG_HAS_VARIABLE_FIELDS
the section may contain a variable number of fields with variable keys.
Definition: ffprobe.c:145
int avcodec_receive_frame(AVCodecContext *avctx, AVFrame *frame)
Return decoded output data from a decoder.
Definition: decode.c:713
const char * r
Definition: vf_curves.c:111
enum AVColorRange color_range
MPEG vs JPEG YUV range.
Definition: frame.h:446
#define AV_LOG_DEBUG
Stuff which is only useful for libav* developers.
Definition: log.h:197
unsigned int nb_programs
Definition: avformat.h:1506
int start_is_offset
Definition: ffprobe.c:126
void av_dict_free(AVDictionary **pm)
Free all the memory allocated for an AVDictionary struct and all keys and values. ...
Definition: dict.c:203
#define av_fourcc2str(fourcc)
Definition: avutil.h:348
enum AVMediaType codec_type
General type of the encoded data.
Definition: avcodec.h:4125
const char * arg
Definition: jacosubdec.c:66
int nested_section[SECTION_MAX_NB_LEVELS]
Definition: ffprobe.c:1073
enum AVColorSpace colorspace
YUV colorspace type.
Definition: frame.h:457
AVChapter ** chapters
Definition: avformat.h:1557
#define print_q(k, v, s)
Definition: ffprobe.c:1809
static void default_print_int(WriterContext *wctx, const char *key, long long int value)
Definition: ffprobe.c:994
Definition: graph2dot.c:48
#define AV_LOG_SKIP_REPEATED
Skip repeated messages, this requires the user app to use av_log() instead of (f)printf as the 2 woul...
Definition: log.h:359
static av_cold int json_init(WriterContext *wctx)
Definition: ffprobe.c:1471
simple assert() macros that are a bit more flexible than ISO C assert().
const AVOption * av_opt_next(const void *obj, const AVOption *last)
Iterate over all AVOptions belonging to obj.
Definition: opt.c:45
enum AVPacketSideDataType type
Definition: avcodec.h:1617
#define JSON_INDENT()
Definition: ffprobe.c:1501
AVClassCategory category
Category used for visualization (like color) This is only set if the category is equal for all object...
Definition: log.h:130
int side_data_elems
Definition: avcodec.h:1683
static int show_log(WriterContext *w, int section_ids, int section_id, int log_level)
Definition: ffprobe.c:1944
const char * av_get_sample_fmt_name(enum AVSampleFormat sample_fmt)
Return the name of sample_fmt, or NULL if sample_fmt is not recognized.
Definition: samplefmt.c:49
static void flat_print_str(WriterContext *wctx, const char *key, const char *value)
Definition: ffprobe.c:1323
int av_hash_alloc(AVHashContext **ctx, const char *name)
Allocate a hash context for the algorithm specified by name.
Definition: hash.c:100
int id
unique id identifying a section
Definition: ffprobe.c:140
const char * long_name
A more descriptive name for this codec.
Definition: avcodec.h:714
The GOP timecode in 25 bit timecode format.
Definition: frame.h:124
static const uint8_t offset[127][2]
Definition: vf_spp.c:92
AVRational avg_frame_rate
Average framerate.
Definition: avformat.h:970
New fields can be added to the end with minor version bumps.
Definition: avformat.h:1276
AVRational max_luminance
Max luminance of mastering display (cd/m^2).
static void * av_mallocz_array(size_t nmemb, size_t size)
Definition: mem.h:229
attribute_deprecated int64_t timecode_frame_start
Definition: avcodec.h:2858
static int parse_read_intervals(const char *intervals_spec)
Definition: ffprobe.c:3347
#define fail()
Definition: checkasm.h:98
char * av_get_token(const char **buf, const char *term)
Unescape the given string until a non escaped terminating char, and return the token corresponding to...
Definition: avstring.c:149
void av_log_default_callback(void *ptr, int level, const char *fmt, va_list vl)
Default logging callback.
Definition: log.c:302
static av_always_inline void flat(WaveformContext *s, AVFrame *in, AVFrame *out, int component, int intensity, int offset_y, int offset_x, int column, int mirror)
Definition: vf_waveform.c:906
int program_num
Definition: avformat.h:1284
const char * unit
Definition: ffprobe.c:358
int flags
A combination of AV_PKT_FLAG values.
Definition: avcodec.h:1677
const char * av_color_primaries_name(enum AVColorPrimaries primaries)
Definition: pixdesc.c:2748
const AVCodecDescriptor * avcodec_descriptor_get(enum AVCodecID id)
Definition: codec_desc.c:3114
void * priv
private data for use by the filter
Definition: ffprobe.c:450
int extradata_size
Size of the extradata content in bytes.
Definition: avcodec.h:4147
uint32_t end_display_time
Definition: avcodec.h:4108
char * name
name of this writer instance
Definition: ffprobe.c:449
int64_t pts
Same as packet pts, in AV_TIME_BASE.
Definition: avcodec.h:4111
uint64_t channel_layout
Channel layout of the audio data.
Definition: frame.h:379
char * av_asprintf(const char *fmt,...)
Definition: avstring.c:113
#define SECTION_FLAG_IS_WRAPPER
the section only contains other sections, but has no data at its own level
Definition: ffprobe.c:143
static const struct @40 si_prefixes[]
uint64_t flags
Combination of AV_PIX_FMT_FLAG_...
Definition: pixdesc.h:106
unsigned int nb_streams
Number of elements in AVFormatContext.streams.
Definition: avformat.h:1405
static void writer_print_data(WriterContext *wctx, const char *name, uint8_t *data, int size)
Definition: ffprobe.c:806
static int show_format(WriterContext *w, InputFile *ifile)
Definition: ffprobe.c:2759
int refs
number of reference frames
Definition: avcodec.h:2427
AVClassCategory category
Definition: ffprobe.c:288
AVDictionary * opts
Definition: movenc.c:50
static ReadInterval * read_intervals
Definition: ffprobe.c:130
AVInputFormat * av_find_input_format(const char *short_name)
Find AVInputFormat based on the short name of the input format.
Definition: format.c:164
uint8_t nb_components
The number of components each pixel has, (1-4)
Definition: pixdesc.h:83
AVBPrint section_pbuf[SECTION_MAX_NB_LEVELS]
generic print buffer dedicated to each section, used by various writers
Definition: ffprobe.c:462
Video frame is split into 6 faces of a cube, and arranged on a 3x2 layout.
Definition: spherical.h:65
int channels
number of audio channels, only used for audio.
Definition: frame.h:506
#define print_section_footer(s)
Definition: ffprobe.c:1825
static const char * csv_escape_str(AVBPrint *dst, const char *src, const char sep, void *log_ctx)
Quote fields containing special characters, check RFC4180.
Definition: ffprobe.c:1042