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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 /* section structure definition */
134 
135 #define SECTION_MAX_NB_CHILDREN 10
136 
137 struct section {
138  int id; ///< unique id identifying a section
139  const char *name;
140 
141 #define SECTION_FLAG_IS_WRAPPER 1 ///< the section only contains other sections, but has no data at its own level
142 #define SECTION_FLAG_IS_ARRAY 2 ///< the section contains an array of elements of the same type
143 #define SECTION_FLAG_HAS_VARIABLE_FIELDS 4 ///< the section may contain a variable number of fields with variable keys.
144  /// For these sections the element_name field is mandatory.
145  int flags;
146  int children_ids[SECTION_MAX_NB_CHILDREN+1]; ///< list of children section IDS, terminated by -1
147  const char *element_name; ///< name of the contained element, if provided
148  const char *unique_name; ///< unique section name, in case the name is ambiguous
151 };
152 
153 typedef enum {
197 } SectionID;
198 
199 static struct section sections[] = {
201  [SECTION_ID_CHAPTER] = { SECTION_ID_CHAPTER, "chapter", 0, { SECTION_ID_CHAPTER_TAGS, -1 } },
202  [SECTION_ID_CHAPTER_TAGS] = { SECTION_ID_CHAPTER_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "chapter_tags" },
203  [SECTION_ID_ERROR] = { SECTION_ID_ERROR, "error", 0, { -1 } },
204  [SECTION_ID_FORMAT] = { SECTION_ID_FORMAT, "format", 0, { SECTION_ID_FORMAT_TAGS, -1 } },
205  [SECTION_ID_FORMAT_TAGS] = { SECTION_ID_FORMAT_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "format_tags" },
208  [SECTION_ID_FRAME_TAGS] = { SECTION_ID_FRAME_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "frame_tags" },
209  [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" },
210  [SECTION_ID_FRAME_SIDE_DATA] = { SECTION_ID_FRAME_SIDE_DATA, "side_data", 0, { -1 } },
212  [SECTION_ID_FRAME_LOG] = { SECTION_ID_FRAME_LOG, "log", 0, { -1 }, },
214  [SECTION_ID_LIBRARY_VERSION] = { SECTION_ID_LIBRARY_VERSION, "library_version", 0, { -1 } },
218  [SECTION_ID_PACKET_TAGS] = { SECTION_ID_PACKET_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "packet_tags" },
219  [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" },
220  [SECTION_ID_PACKET_SIDE_DATA] = { SECTION_ID_PACKET_SIDE_DATA, "side_data", 0, { -1 } },
223  [SECTION_ID_PIXEL_FORMAT_FLAGS] = { SECTION_ID_PIXEL_FORMAT_FLAGS, "flags", 0, { -1 }, .unique_name = "pixel_format_flags" },
224  [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" },
226  [SECTION_ID_PROGRAM_STREAM_DISPOSITION] = { SECTION_ID_PROGRAM_STREAM_DISPOSITION, "disposition", 0, { -1 }, .unique_name = "program_stream_disposition" },
227  [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" },
229  [SECTION_ID_PROGRAM_STREAMS] = { SECTION_ID_PROGRAM_STREAMS, "streams", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PROGRAM_STREAM, -1 }, .unique_name = "program_streams" },
231  [SECTION_ID_PROGRAM_TAGS] = { SECTION_ID_PROGRAM_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "program_tags" },
232  [SECTION_ID_PROGRAM_VERSION] = { SECTION_ID_PROGRAM_VERSION, "program_version", 0, { -1 } },
240  [SECTION_ID_STREAM_DISPOSITION] = { SECTION_ID_STREAM_DISPOSITION, "disposition", 0, { -1 }, .unique_name = "stream_disposition" },
241  [SECTION_ID_STREAM_TAGS] = { SECTION_ID_STREAM_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "stream_tags" },
242  [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" },
243  [SECTION_ID_STREAM_SIDE_DATA] = { SECTION_ID_STREAM_SIDE_DATA, "side_data", 0, { -1 } },
244  [SECTION_ID_SUBTITLE] = { SECTION_ID_SUBTITLE, "subtitle", 0, { -1 } },
245 };
246 
247 static const OptionDef *options;
248 
249 /* FFprobe context */
250 static const char *input_filename;
252 
253 static struct AVHashContext *hash;
254 
255 static const struct {
256  double bin_val;
257  double dec_val;
258  const char *bin_str;
259  const char *dec_str;
260 } si_prefixes[] = {
261  { 1.0, 1.0, "", "" },
262  { 1.024e3, 1e3, "Ki", "K" },
263  { 1.048576e6, 1e6, "Mi", "M" },
264  { 1.073741824e9, 1e9, "Gi", "G" },
265  { 1.099511627776e12, 1e12, "Ti", "T" },
266  { 1.125899906842624e15, 1e15, "Pi", "P" },
267 };
268 
269 static const char unit_second_str[] = "s" ;
270 static const char unit_hertz_str[] = "Hz" ;
271 static const char unit_byte_str[] = "byte" ;
272 static const char unit_bit_per_second_str[] = "bit/s";
273 
274 static int nb_streams;
275 static uint64_t *nb_streams_packets;
276 static uint64_t *nb_streams_frames;
277 static int *selected_streams;
278 
279 #if HAVE_THREADS
280 pthread_mutex_t log_mutex;
281 #endif
282 typedef struct LogBuffer {
285  char *log_message;
287  char *parent_name;
289 }LogBuffer;
290 
292 static int log_buffer_size;
293 
294 static void log_callback(void *ptr, int level, const char *fmt, va_list vl)
295 {
296  AVClass* avc = ptr ? *(AVClass **) ptr : NULL;
297  va_list vl2;
298  char line[1024];
299  static int print_prefix = 1;
300  void *new_log_buffer;
301 
302  va_copy(vl2, vl);
303  av_log_default_callback(ptr, level, fmt, vl);
304  av_log_format_line(ptr, level, fmt, vl2, line, sizeof(line), &print_prefix);
305  va_end(vl2);
306 
307 #if HAVE_THREADS
308  pthread_mutex_lock(&log_mutex);
309 
310  new_log_buffer = av_realloc_array(log_buffer, log_buffer_size + 1, sizeof(*log_buffer));
311  if (new_log_buffer) {
312  char *msg;
313  int i;
314 
315  log_buffer = new_log_buffer;
316  memset(&log_buffer[log_buffer_size], 0, sizeof(log_buffer[log_buffer_size]));
317  log_buffer[log_buffer_size].context_name= avc ? av_strdup(avc->item_name(ptr)) : NULL;
318  if (avc) {
319  if (avc->get_category) log_buffer[log_buffer_size].category = avc->get_category(ptr);
320  else log_buffer[log_buffer_size].category = avc->category;
321  }
322  log_buffer[log_buffer_size].log_level = level;
323  msg = log_buffer[log_buffer_size].log_message = av_strdup(line);
324  for (i=strlen(msg) - 1; i>=0 && msg[i] == '\n'; i--) {
325  msg[i] = 0;
326  }
327  if (avc && avc->parent_log_context_offset) {
328  AVClass** parent = *(AVClass ***) (((uint8_t *) ptr) +
330  if (parent && *parent) {
331  log_buffer[log_buffer_size].parent_name = av_strdup((*parent)->item_name(parent));
332  log_buffer[log_buffer_size].parent_category =
333  (*parent)->get_category ? (*parent)->get_category(parent) :(*parent)->category;
334  }
335  }
336  log_buffer_size ++;
337  }
338 
339  pthread_mutex_unlock(&log_mutex);
340 #endif
341 }
342 
343 static void ffprobe_cleanup(int ret)
344 {
345  int i;
346  for (i = 0; i < FF_ARRAY_ELEMS(sections); i++)
347  av_dict_free(&(sections[i].entries_to_show));
348 
349 #if HAVE_THREADS
350  pthread_mutex_destroy(&log_mutex);
351 #endif
352 }
353 
354 struct unit_value {
355  union { double d; long long int i; } val;
356  const char *unit;
357 };
358 
359 static char *value_string(char *buf, int buf_size, struct unit_value uv)
360 {
361  double vald;
362  long long int vali;
363  int show_float = 0;
364 
365  if (uv.unit == unit_second_str) {
366  vald = uv.val.d;
367  show_float = 1;
368  } else {
369  vald = vali = uv.val.i;
370  }
371 
373  double secs;
374  int hours, mins;
375  secs = vald;
376  mins = (int)secs / 60;
377  secs = secs - mins * 60;
378  hours = mins / 60;
379  mins %= 60;
380  snprintf(buf, buf_size, "%d:%02d:%09.6f", hours, mins, secs);
381  } else {
382  const char *prefix_string = "";
383 
384  if (use_value_prefix && vald > 1) {
385  long long int index;
386 
388  index = (long long int) (log2(vald)) / 10;
389  index = av_clip(index, 0, FF_ARRAY_ELEMS(si_prefixes) - 1);
390  vald /= si_prefixes[index].bin_val;
391  prefix_string = si_prefixes[index].bin_str;
392  } else {
393  index = (long long int) (log10(vald)) / 3;
394  index = av_clip(index, 0, FF_ARRAY_ELEMS(si_prefixes) - 1);
395  vald /= si_prefixes[index].dec_val;
396  prefix_string = si_prefixes[index].dec_str;
397  }
398  vali = vald;
399  }
400 
401  if (show_float || (use_value_prefix && vald != (long long int)vald))
402  snprintf(buf, buf_size, "%f", vald);
403  else
404  snprintf(buf, buf_size, "%lld", vali);
405  av_strlcatf(buf, buf_size, "%s%s%s", *prefix_string || show_value_unit ? " " : "",
406  prefix_string, show_value_unit ? uv.unit : "");
407  }
408 
409  return buf;
410 }
411 
412 /* WRITERS API */
413 
414 typedef struct WriterContext WriterContext;
415 
416 #define WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS 1
417 #define WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER 2
418 
419 typedef enum {
425 
426 typedef struct Writer {
427  const AVClass *priv_class; ///< private class of the writer, if any
428  int priv_size; ///< private size for the writer context
429  const char *name;
430 
431  int (*init) (WriterContext *wctx);
433 
436  void (*print_integer) (WriterContext *wctx, const char *, long long int);
437  void (*print_rational) (WriterContext *wctx, AVRational *q, char *sep);
438  void (*print_string) (WriterContext *wctx, const char *, const char *);
439  int flags; ///< a combination or WRITER_FLAG_*
440 } Writer;
441 
442 #define SECTION_MAX_NB_LEVELS 10
443 
445  const AVClass *class; ///< class of the writer
446  const Writer *writer; ///< the Writer of which this is an instance
447  char *name; ///< name of this writer instance
448  void *priv; ///< private data for use by the filter
449 
450  const struct section *sections; ///< array containing all sections
451  int nb_sections; ///< number of sections
452 
453  int level; ///< current level, starting from 0
454 
455  /** number of the item printed in the given section, starting from 0 */
457 
458  /** section per each level */
460  AVBPrint section_pbuf[SECTION_MAX_NB_LEVELS]; ///< generic print buffer dedicated to each section,
461  /// used by various writers
462 
463  unsigned int nb_section_packet; ///< number of the packet section in case we are in "packets_and_frames" section
464  unsigned int nb_section_frame; ///< number of the frame section in case we are in "packets_and_frames" section
465  unsigned int nb_section_packet_frame; ///< nb_section_packet or nb_section_frame according if is_packets_and_frames
466 
470 };
471 
472 static const char *writer_get_name(void *p)
473 {
474  WriterContext *wctx = p;
475  return wctx->writer->name;
476 }
477 
478 #define OFFSET(x) offsetof(WriterContext, x)
479 
480 static const AVOption writer_options[] = {
481  { "string_validation", "set string validation mode",
482  OFFSET(string_validation), AV_OPT_TYPE_INT, {.i64=WRITER_STRING_VALIDATION_REPLACE}, 0, WRITER_STRING_VALIDATION_NB-1, .unit = "sv" },
483  { "sv", "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  { "ignore", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = WRITER_STRING_VALIDATION_IGNORE}, .unit = "sv" },
486  { "replace", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = WRITER_STRING_VALIDATION_REPLACE}, .unit = "sv" },
487  { "fail", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = WRITER_STRING_VALIDATION_FAIL}, .unit = "sv" },
488  { "string_validation_replacement", "set string validation replacement string", OFFSET(string_validation_replacement), AV_OPT_TYPE_STRING, {.str=""}},
489  { "svr", "set string validation replacement string", OFFSET(string_validation_replacement), AV_OPT_TYPE_STRING, {.str="\xEF\xBF\xBD"}},
490  { NULL }
491 };
492 
493 static void *writer_child_next(void *obj, void *prev)
494 {
495  WriterContext *ctx = obj;
496  if (!prev && ctx->writer && ctx->writer->priv_class && ctx->priv)
497  return ctx->priv;
498  return NULL;
499 }
500 
501 static const AVClass writer_class = {
502  .class_name = "Writer",
503  .item_name = writer_get_name,
504  .option = writer_options,
505  .version = LIBAVUTIL_VERSION_INT,
506  .child_next = writer_child_next,
507 };
508 
509 static void writer_close(WriterContext **wctx)
510 {
511  int i;
512 
513  if (!*wctx)
514  return;
515 
516  if ((*wctx)->writer->uninit)
517  (*wctx)->writer->uninit(*wctx);
518  for (i = 0; i < SECTION_MAX_NB_LEVELS; i++)
519  av_bprint_finalize(&(*wctx)->section_pbuf[i], NULL);
520  if ((*wctx)->writer->priv_class)
521  av_opt_free((*wctx)->priv);
522  av_freep(&((*wctx)->priv));
523  av_opt_free(*wctx);
524  av_freep(wctx);
525 }
526 
527 static void bprint_bytes(AVBPrint *bp, const uint8_t *ubuf, size_t ubuf_size)
528 {
529  int i;
530  av_bprintf(bp, "0X");
531  for (i = 0; i < ubuf_size; i++)
532  av_bprintf(bp, "%02X", ubuf[i]);
533 }
534 
535 
536 static int writer_open(WriterContext **wctx, const Writer *writer, const char *args,
537  const struct section *sections, int nb_sections)
538 {
539  int i, ret = 0;
540 
541  if (!(*wctx = av_mallocz(sizeof(WriterContext)))) {
542  ret = AVERROR(ENOMEM);
543  goto fail;
544  }
545 
546  if (!((*wctx)->priv = av_mallocz(writer->priv_size))) {
547  ret = AVERROR(ENOMEM);
548  goto fail;
549  }
550 
551  (*wctx)->class = &writer_class;
552  (*wctx)->writer = writer;
553  (*wctx)->level = -1;
554  (*wctx)->sections = sections;
555  (*wctx)->nb_sections = nb_sections;
556 
557  av_opt_set_defaults(*wctx);
558 
559  if (writer->priv_class) {
560  void *priv_ctx = (*wctx)->priv;
561  *((const AVClass **)priv_ctx) = writer->priv_class;
562  av_opt_set_defaults(priv_ctx);
563  }
564 
565  /* convert options to dictionary */
566  if (args) {
568  AVDictionaryEntry *opt = NULL;
569 
570  if ((ret = av_dict_parse_string(&opts, args, "=", ":", 0)) < 0) {
571  av_log(*wctx, AV_LOG_ERROR, "Failed to parse option string '%s' provided to writer context\n", args);
572  av_dict_free(&opts);
573  goto fail;
574  }
575 
576  while ((opt = av_dict_get(opts, "", opt, AV_DICT_IGNORE_SUFFIX))) {
577  if ((ret = av_opt_set(*wctx, opt->key, opt->value, AV_OPT_SEARCH_CHILDREN)) < 0) {
578  av_log(*wctx, AV_LOG_ERROR, "Failed to set option '%s' with value '%s' provided to writer context\n",
579  opt->key, opt->value);
580  av_dict_free(&opts);
581  goto fail;
582  }
583  }
584 
585  av_dict_free(&opts);
586  }
587 
588  /* validate replace string */
589  {
590  const uint8_t *p = (*wctx)->string_validation_replacement;
591  const uint8_t *endp = p + strlen(p);
592  while (*p) {
593  const uint8_t *p0 = p;
594  int32_t code;
595  ret = av_utf8_decode(&code, &p, endp, (*wctx)->string_validation_utf8_flags);
596  if (ret < 0) {
597  AVBPrint bp;
599  bprint_bytes(&bp, p0, p-p0),
600  av_log(wctx, AV_LOG_ERROR,
601  "Invalid UTF8 sequence %s found in string validation replace '%s'\n",
602  bp.str, (*wctx)->string_validation_replacement);
603  return ret;
604  }
605  }
606  }
607 
608  for (i = 0; i < SECTION_MAX_NB_LEVELS; i++)
609  av_bprint_init(&(*wctx)->section_pbuf[i], 1, AV_BPRINT_SIZE_UNLIMITED);
610 
611  if ((*wctx)->writer->init)
612  ret = (*wctx)->writer->init(*wctx);
613  if (ret < 0)
614  goto fail;
615 
616  return 0;
617 
618 fail:
619  writer_close(wctx);
620  return ret;
621 }
622 
624  int section_id)
625 {
626  int parent_section_id;
627  wctx->level++;
629  parent_section_id = wctx->level ?
630  (wctx->section[wctx->level-1])->id : SECTION_ID_NONE;
631 
632  wctx->nb_item[wctx->level] = 0;
633  wctx->section[wctx->level] = &wctx->sections[section_id];
634 
635  if (section_id == SECTION_ID_PACKETS_AND_FRAMES) {
636  wctx->nb_section_packet = wctx->nb_section_frame =
637  wctx->nb_section_packet_frame = 0;
638  } else if (parent_section_id == SECTION_ID_PACKETS_AND_FRAMES) {
639  wctx->nb_section_packet_frame = section_id == SECTION_ID_PACKET ?
640  wctx->nb_section_packet : wctx->nb_section_frame;
641  }
642 
643  if (wctx->writer->print_section_header)
644  wctx->writer->print_section_header(wctx);
645 }
646 
648 {
649  int section_id = wctx->section[wctx->level]->id;
650  int parent_section_id = wctx->level ?
651  wctx->section[wctx->level-1]->id : SECTION_ID_NONE;
652 
653  if (parent_section_id != SECTION_ID_NONE)
654  wctx->nb_item[wctx->level-1]++;
655  if (parent_section_id == SECTION_ID_PACKETS_AND_FRAMES) {
656  if (section_id == SECTION_ID_PACKET) wctx->nb_section_packet++;
657  else wctx->nb_section_frame++;
658  }
659  if (wctx->writer->print_section_footer)
660  wctx->writer->print_section_footer(wctx);
661  wctx->level--;
662 }
663 
664 static inline void writer_print_integer(WriterContext *wctx,
665  const char *key, long long int val)
666 {
667  const struct section *section = wctx->section[wctx->level];
668 
669  if (section->show_all_entries || av_dict_get(section->entries_to_show, key, NULL, 0)) {
670  wctx->writer->print_integer(wctx, key, val);
671  wctx->nb_item[wctx->level]++;
672  }
673 }
674 
675 static inline int validate_string(WriterContext *wctx, char **dstp, const char *src)
676 {
677  const uint8_t *p, *endp;
678  AVBPrint dstbuf;
679  int invalid_chars_nb = 0, ret = 0;
680 
682 
683  endp = src + strlen(src);
684  for (p = (uint8_t *)src; *p;) {
685  uint32_t code;
686  int invalid = 0;
687  const uint8_t *p0 = p;
688 
689  if (av_utf8_decode(&code, &p, endp, wctx->string_validation_utf8_flags) < 0) {
690  AVBPrint bp;
692  bprint_bytes(&bp, p0, p-p0);
693  av_log(wctx, AV_LOG_DEBUG,
694  "Invalid UTF-8 sequence %s found in string '%s'\n", bp.str, src);
695  invalid = 1;
696  }
697 
698  if (invalid) {
699  invalid_chars_nb++;
700 
701  switch (wctx->string_validation) {
703  av_log(wctx, AV_LOG_ERROR,
704  "Invalid UTF-8 sequence found in string '%s'\n", src);
705  ret = AVERROR_INVALIDDATA;
706  goto end;
707  break;
708 
710  av_bprintf(&dstbuf, "%s", wctx->string_validation_replacement);
711  break;
712  }
713  }
714 
715  if (!invalid || wctx->string_validation == WRITER_STRING_VALIDATION_IGNORE)
716  av_bprint_append_data(&dstbuf, p0, p-p0);
717  }
718 
719  if (invalid_chars_nb && wctx->string_validation == WRITER_STRING_VALIDATION_REPLACE) {
720  av_log(wctx, AV_LOG_WARNING,
721  "%d invalid UTF-8 sequence(s) found in string '%s', replaced with '%s'\n",
722  invalid_chars_nb, src, wctx->string_validation_replacement);
723  }
724 
725 end:
726  av_bprint_finalize(&dstbuf, dstp);
727  return ret;
728 }
729 
730 #define PRINT_STRING_OPT 1
731 #define PRINT_STRING_VALIDATE 2
732 
733 static inline int writer_print_string(WriterContext *wctx,
734  const char *key, const char *val, int flags)
735 {
736  const struct section *section = wctx->section[wctx->level];
737  int ret = 0;
738 
739  if ((flags & PRINT_STRING_OPT)
741  return 0;
742 
743  if (section->show_all_entries || av_dict_get(section->entries_to_show, key, NULL, 0)) {
744  if (flags & PRINT_STRING_VALIDATE) {
745  char *key1 = NULL, *val1 = NULL;
746  ret = validate_string(wctx, &key1, key);
747  if (ret < 0) goto end;
748  ret = validate_string(wctx, &val1, val);
749  if (ret < 0) goto end;
750  wctx->writer->print_string(wctx, key1, val1);
751  end:
752  if (ret < 0) {
753  av_log(wctx, AV_LOG_ERROR,
754  "Invalid key=value string combination %s=%s in section %s\n",
755  key, val, section->unique_name);
756  }
757  av_free(key1);
758  av_free(val1);
759  } else {
760  wctx->writer->print_string(wctx, key, val);
761  }
762 
763  wctx->nb_item[wctx->level]++;
764  }
765 
766  return ret;
767 }
768 
769 static inline void writer_print_rational(WriterContext *wctx,
770  const char *key, AVRational q, char sep)
771 {
772  AVBPrint buf;
774  av_bprintf(&buf, "%d%c%d", q.num, sep, q.den);
775  writer_print_string(wctx, key, buf.str, 0);
776 }
777 
778 static void writer_print_time(WriterContext *wctx, const char *key,
779  int64_t ts, const AVRational *time_base, int is_duration)
780 {
781  char buf[128];
782 
783  if ((!is_duration && ts == AV_NOPTS_VALUE) || (is_duration && ts == 0)) {
784  writer_print_string(wctx, key, "N/A", PRINT_STRING_OPT);
785  } else {
786  double d = ts * av_q2d(*time_base);
787  struct unit_value uv;
788  uv.val.d = d;
789  uv.unit = unit_second_str;
790  value_string(buf, sizeof(buf), uv);
791  writer_print_string(wctx, key, buf, 0);
792  }
793 }
794 
795 static void writer_print_ts(WriterContext *wctx, const char *key, int64_t ts, int is_duration)
796 {
797  if ((!is_duration && ts == AV_NOPTS_VALUE) || (is_duration && ts == 0)) {
798  writer_print_string(wctx, key, "N/A", PRINT_STRING_OPT);
799  } else {
800  writer_print_integer(wctx, key, ts);
801  }
802 }
803 
804 static void writer_print_data(WriterContext *wctx, const char *name,
805  uint8_t *data, int size)
806 {
807  AVBPrint bp;
808  int offset = 0, l, i;
809 
811  av_bprintf(&bp, "\n");
812  while (size) {
813  av_bprintf(&bp, "%08x: ", offset);
814  l = FFMIN(size, 16);
815  for (i = 0; i < l; i++) {
816  av_bprintf(&bp, "%02x", data[i]);
817  if (i & 1)
818  av_bprintf(&bp, " ");
819  }
820  av_bprint_chars(&bp, ' ', 41 - 2 * i - i / 2);
821  for (i = 0; i < l; i++)
822  av_bprint_chars(&bp, data[i] - 32U < 95 ? data[i] : '.', 1);
823  av_bprintf(&bp, "\n");
824  offset += l;
825  data += l;
826  size -= l;
827  }
828  writer_print_string(wctx, name, bp.str, 0);
829  av_bprint_finalize(&bp, NULL);
830 }
831 
832 static void writer_print_data_hash(WriterContext *wctx, const char *name,
833  uint8_t *data, int size)
834 {
835  char *p, buf[AV_HASH_MAX_SIZE * 2 + 64] = { 0 };
836 
837  if (!hash)
838  return;
839  av_hash_init(hash);
840  av_hash_update(hash, data, size);
841  snprintf(buf, sizeof(buf), "%s:", av_hash_get_name(hash));
842  p = buf + strlen(buf);
843  av_hash_final_hex(hash, p, buf + sizeof(buf) - p);
844  writer_print_string(wctx, name, buf, 0);
845 }
846 
847 static void writer_print_integers(WriterContext *wctx, const char *name,
848  uint8_t *data, int size, const char *format,
849  int columns, int bytes, int offset_add)
850 {
851  AVBPrint bp;
852  int offset = 0, l, i;
853 
855  av_bprintf(&bp, "\n");
856  while (size) {
857  av_bprintf(&bp, "%08x: ", offset);
858  l = FFMIN(size, columns);
859  for (i = 0; i < l; i++) {
860  if (bytes == 1) av_bprintf(&bp, format, *data);
861  else if (bytes == 2) av_bprintf(&bp, format, AV_RN16(data));
862  else if (bytes == 4) av_bprintf(&bp, format, AV_RN32(data));
863  data += bytes;
864  size --;
865  }
866  av_bprintf(&bp, "\n");
867  offset += offset_add;
868  }
869  writer_print_string(wctx, name, bp.str, 0);
870  av_bprint_finalize(&bp, NULL);
871 }
872 
873 #define MAX_REGISTERED_WRITERS_NB 64
874 
876 
877 static int writer_register(const Writer *writer)
878 {
879  static int next_registered_writer_idx = 0;
880 
881  if (next_registered_writer_idx == MAX_REGISTERED_WRITERS_NB)
882  return AVERROR(ENOMEM);
883 
884  registered_writers[next_registered_writer_idx++] = writer;
885  return 0;
886 }
887 
888 static const Writer *writer_get_by_name(const char *name)
889 {
890  int i;
891 
892  for (i = 0; registered_writers[i]; i++)
893  if (!strcmp(registered_writers[i]->name, name))
894  return registered_writers[i];
895 
896  return NULL;
897 }
898 
899 
900 /* WRITERS */
901 
902 #define DEFINE_WRITER_CLASS(name) \
903 static const char *name##_get_name(void *ctx) \
904 { \
905  return #name ; \
906 } \
907 static const AVClass name##_class = { \
908  .class_name = #name, \
909  .item_name = name##_get_name, \
910  .option = name##_options \
911 }
912 
913 /* Default output */
914 
915 typedef struct DefaultContext {
916  const AVClass *class;
917  int nokey;
921 
922 #undef OFFSET
923 #define OFFSET(x) offsetof(DefaultContext, x)
924 
925 static const AVOption default_options[] = {
926  { "noprint_wrappers", "do not print headers and footers", OFFSET(noprint_wrappers), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
927  { "nw", "do not print headers and footers", OFFSET(noprint_wrappers), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
928  { "nokey", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
929  { "nk", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
930  {NULL},
931 };
932 
933 DEFINE_WRITER_CLASS(default);
934 
935 /* lame uppercasing routine, assumes the string is lower case ASCII */
936 static inline char *upcase_string(char *dst, size_t dst_size, const char *src)
937 {
938  int i;
939  for (i = 0; src[i] && i < dst_size-1; i++)
940  dst[i] = av_toupper(src[i]);
941  dst[i] = 0;
942  return dst;
943 }
944 
946 {
947  DefaultContext *def = wctx->priv;
948  char buf[32];
949  const struct section *section = wctx->section[wctx->level];
950  const struct section *parent_section = wctx->level ?
951  wctx->section[wctx->level-1] : NULL;
952 
953  av_bprint_clear(&wctx->section_pbuf[wctx->level]);
954  if (parent_section &&
955  !(parent_section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY))) {
956  def->nested_section[wctx->level] = 1;
957  av_bprintf(&wctx->section_pbuf[wctx->level], "%s%s:",
958  wctx->section_pbuf[wctx->level-1].str,
959  upcase_string(buf, sizeof(buf),
960  av_x_if_null(section->element_name, section->name)));
961  }
962 
963  if (def->noprint_wrappers || def->nested_section[wctx->level])
964  return;
965 
967  printf("[%s]\n", upcase_string(buf, sizeof(buf), section->name));
968 }
969 
971 {
972  DefaultContext *def = wctx->priv;
973  const struct section *section = wctx->section[wctx->level];
974  char buf[32];
975 
976  if (def->noprint_wrappers || def->nested_section[wctx->level])
977  return;
978 
980  printf("[/%s]\n", upcase_string(buf, sizeof(buf), section->name));
981 }
982 
983 static void default_print_str(WriterContext *wctx, const char *key, const char *value)
984 {
985  DefaultContext *def = wctx->priv;
986 
987  if (!def->nokey)
988  printf("%s%s=", wctx->section_pbuf[wctx->level].str, key);
989  printf("%s\n", value);
990 }
991 
992 static void default_print_int(WriterContext *wctx, const char *key, long long int value)
993 {
994  DefaultContext *def = wctx->priv;
995 
996  if (!def->nokey)
997  printf("%s%s=", wctx->section_pbuf[wctx->level].str, key);
998  printf("%lld\n", value);
999 }
1000 
1001 static const Writer default_writer = {
1002  .name = "default",
1003  .priv_size = sizeof(DefaultContext),
1006  .print_integer = default_print_int,
1007  .print_string = default_print_str,
1009  .priv_class = &default_class,
1010 };
1011 
1012 /* Compact output */
1013 
1014 /**
1015  * Apply C-language-like string escaping.
1016  */
1017 static const char *c_escape_str(AVBPrint *dst, const char *src, const char sep, void *log_ctx)
1018 {
1019  const char *p;
1020 
1021  for (p = src; *p; p++) {
1022  switch (*p) {
1023  case '\b': av_bprintf(dst, "%s", "\\b"); break;
1024  case '\f': av_bprintf(dst, "%s", "\\f"); break;
1025  case '\n': av_bprintf(dst, "%s", "\\n"); break;
1026  case '\r': av_bprintf(dst, "%s", "\\r"); break;
1027  case '\\': av_bprintf(dst, "%s", "\\\\"); break;
1028  default:
1029  if (*p == sep)
1030  av_bprint_chars(dst, '\\', 1);
1031  av_bprint_chars(dst, *p, 1);
1032  }
1033  }
1034  return dst->str;
1035 }
1036 
1037 /**
1038  * Quote fields containing special characters, check RFC4180.
1039  */
1040 static const char *csv_escape_str(AVBPrint *dst, const char *src, const char sep, void *log_ctx)
1041 {
1042  char meta_chars[] = { sep, '"', '\n', '\r', '\0' };
1043  int needs_quoting = !!src[strcspn(src, meta_chars)];
1044 
1045  if (needs_quoting)
1046  av_bprint_chars(dst, '"', 1);
1047 
1048  for (; *src; src++) {
1049  if (*src == '"')
1050  av_bprint_chars(dst, '"', 1);
1051  av_bprint_chars(dst, *src, 1);
1052  }
1053  if (needs_quoting)
1054  av_bprint_chars(dst, '"', 1);
1055  return dst->str;
1056 }
1057 
1058 static const char *none_escape_str(AVBPrint *dst, const char *src, const char sep, void *log_ctx)
1059 {
1060  return src;
1061 }
1062 
1063 typedef struct CompactContext {
1064  const AVClass *class;
1066  char item_sep;
1067  int nokey;
1070  const char * (*escape_str)(AVBPrint *dst, const char *src, const char sep, void *log_ctx);
1074 } CompactContext;
1075 
1076 #undef OFFSET
1077 #define OFFSET(x) offsetof(CompactContext, x)
1078 
1079 static const AVOption compact_options[]= {
1080  {"item_sep", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str="|"}, CHAR_MIN, CHAR_MAX },
1081  {"s", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str="|"}, CHAR_MIN, CHAR_MAX },
1082  {"nokey", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
1083  {"nk", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
1084  {"escape", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="c"}, CHAR_MIN, CHAR_MAX },
1085  {"e", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="c"}, CHAR_MIN, CHAR_MAX },
1086  {"print_section", "print section name", OFFSET(print_section), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
1087  {"p", "print section name", OFFSET(print_section), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
1088  {NULL},
1089 };
1090 
1091 DEFINE_WRITER_CLASS(compact);
1092 
1094 {
1095  CompactContext *compact = wctx->priv;
1096 
1097  if (strlen(compact->item_sep_str) != 1) {
1098  av_log(wctx, AV_LOG_ERROR, "Item separator '%s' specified, but must contain a single character\n",
1099  compact->item_sep_str);
1100  return AVERROR(EINVAL);
1101  }
1102  compact->item_sep = compact->item_sep_str[0];
1103 
1104  if (!strcmp(compact->escape_mode_str, "none")) compact->escape_str = none_escape_str;
1105  else if (!strcmp(compact->escape_mode_str, "c" )) compact->escape_str = c_escape_str;
1106  else if (!strcmp(compact->escape_mode_str, "csv" )) compact->escape_str = csv_escape_str;
1107  else {
1108  av_log(wctx, AV_LOG_ERROR, "Unknown escape mode '%s'\n", compact->escape_mode_str);
1109  return AVERROR(EINVAL);
1110  }
1111 
1112  return 0;
1113 }
1114 
1116 {
1117  CompactContext *compact = wctx->priv;
1118  const struct section *section = wctx->section[wctx->level];
1119  const struct section *parent_section = wctx->level ?
1120  wctx->section[wctx->level-1] : NULL;
1121  compact->terminate_line[wctx->level] = 1;
1122  compact->has_nested_elems[wctx->level] = 0;
1123 
1124  av_bprint_clear(&wctx->section_pbuf[wctx->level]);
1125  if (!(section->flags & SECTION_FLAG_IS_ARRAY) && parent_section &&
1126  !(parent_section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY))) {
1127  compact->nested_section[wctx->level] = 1;
1128  compact->has_nested_elems[wctx->level-1] = 1;
1129  av_bprintf(&wctx->section_pbuf[wctx->level], "%s%s:",
1130  wctx->section_pbuf[wctx->level-1].str,
1131  (char *)av_x_if_null(section->element_name, section->name));
1132  wctx->nb_item[wctx->level] = wctx->nb_item[wctx->level-1];
1133  } else {
1134  if (parent_section && compact->has_nested_elems[wctx->level-1] &&
1135  (section->flags & SECTION_FLAG_IS_ARRAY)) {
1136  compact->terminate_line[wctx->level-1] = 0;
1137  printf("\n");
1138  }
1139  if (compact->print_section &&
1141  printf("%s%c", section->name, compact->item_sep);
1142  }
1143 }
1144 
1146 {
1147  CompactContext *compact = wctx->priv;
1148 
1149  if (!compact->nested_section[wctx->level] &&
1150  compact->terminate_line[wctx->level] &&
1152  printf("\n");
1153 }
1154 
1155 static void compact_print_str(WriterContext *wctx, const char *key, const char *value)
1156 {
1157  CompactContext *compact = wctx->priv;
1158  AVBPrint buf;
1159 
1160  if (wctx->nb_item[wctx->level]) printf("%c", compact->item_sep);
1161  if (!compact->nokey)
1162  printf("%s%s=", wctx->section_pbuf[wctx->level].str, key);
1164  printf("%s", compact->escape_str(&buf, value, compact->item_sep, wctx));
1165  av_bprint_finalize(&buf, NULL);
1166 }
1167 
1168 static void compact_print_int(WriterContext *wctx, const char *key, long long int value)
1169 {
1170  CompactContext *compact = wctx->priv;
1171 
1172  if (wctx->nb_item[wctx->level]) printf("%c", compact->item_sep);
1173  if (!compact->nokey)
1174  printf("%s%s=", wctx->section_pbuf[wctx->level].str, key);
1175  printf("%lld", value);
1176 }
1177 
1178 static const Writer compact_writer = {
1179  .name = "compact",
1180  .priv_size = sizeof(CompactContext),
1181  .init = compact_init,
1184  .print_integer = compact_print_int,
1185  .print_string = compact_print_str,
1187  .priv_class = &compact_class,
1188 };
1189 
1190 /* CSV output */
1191 
1192 #undef OFFSET
1193 #define OFFSET(x) offsetof(CompactContext, x)
1194 
1195 static const AVOption csv_options[] = {
1196  {"item_sep", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str=","}, CHAR_MIN, CHAR_MAX },
1197  {"s", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str=","}, CHAR_MIN, CHAR_MAX },
1198  {"nokey", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
1199  {"nk", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
1200  {"escape", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="csv"}, CHAR_MIN, CHAR_MAX },
1201  {"e", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="csv"}, CHAR_MIN, CHAR_MAX },
1202  {"print_section", "print section name", OFFSET(print_section), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
1203  {"p", "print section name", OFFSET(print_section), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
1204  {NULL},
1205 };
1206 
1207 DEFINE_WRITER_CLASS(csv);
1208 
1209 static const Writer csv_writer = {
1210  .name = "csv",
1211  .priv_size = sizeof(CompactContext),
1212  .init = compact_init,
1215  .print_integer = compact_print_int,
1216  .print_string = compact_print_str,
1218  .priv_class = &csv_class,
1219 };
1220 
1221 /* Flat output */
1222 
1223 typedef struct FlatContext {
1224  const AVClass *class;
1225  const char *sep_str;
1226  char sep;
1228 } FlatContext;
1229 
1230 #undef OFFSET
1231 #define OFFSET(x) offsetof(FlatContext, x)
1232 
1233 static const AVOption flat_options[]= {
1234  {"sep_char", "set separator", OFFSET(sep_str), AV_OPT_TYPE_STRING, {.str="."}, CHAR_MIN, CHAR_MAX },
1235  {"s", "set separator", OFFSET(sep_str), AV_OPT_TYPE_STRING, {.str="."}, CHAR_MIN, CHAR_MAX },
1236  {"hierarchical", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
1237  {"h", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
1238  {NULL},
1239 };
1240 
1242 
1244 {
1245  FlatContext *flat = wctx->priv;
1246 
1247  if (strlen(flat->sep_str) != 1) {
1248  av_log(wctx, AV_LOG_ERROR, "Item separator '%s' specified, but must contain a single character\n",
1249  flat->sep_str);
1250  return AVERROR(EINVAL);
1251  }
1252  flat->sep = flat->sep_str[0];
1253 
1254  return 0;
1255 }
1256 
1257 static const char *flat_escape_key_str(AVBPrint *dst, const char *src, const char sep)
1258 {
1259  const char *p;
1260 
1261  for (p = src; *p; p++) {
1262  if (!((*p >= '0' && *p <= '9') ||
1263  (*p >= 'a' && *p <= 'z') ||
1264  (*p >= 'A' && *p <= 'Z')))
1265  av_bprint_chars(dst, '_', 1);
1266  else
1267  av_bprint_chars(dst, *p, 1);
1268  }
1269  return dst->str;
1270 }
1271 
1272 static const char *flat_escape_value_str(AVBPrint *dst, const char *src)
1273 {
1274  const char *p;
1275 
1276  for (p = src; *p; p++) {
1277  switch (*p) {
1278  case '\n': av_bprintf(dst, "%s", "\\n"); break;
1279  case '\r': av_bprintf(dst, "%s", "\\r"); break;
1280  case '\\': av_bprintf(dst, "%s", "\\\\"); break;
1281  case '"': av_bprintf(dst, "%s", "\\\""); break;
1282  case '`': av_bprintf(dst, "%s", "\\`"); break;
1283  case '$': av_bprintf(dst, "%s", "\\$"); break;
1284  default: av_bprint_chars(dst, *p, 1); break;
1285  }
1286  }
1287  return dst->str;
1288 }
1289 
1291 {
1292  FlatContext *flat = wctx->priv;
1293  AVBPrint *buf = &wctx->section_pbuf[wctx->level];
1294  const struct section *section = wctx->section[wctx->level];
1295  const struct section *parent_section = wctx->level ?
1296  wctx->section[wctx->level-1] : NULL;
1297 
1298  /* build section header */
1299  av_bprint_clear(buf);
1300  if (!parent_section)
1301  return;
1302  av_bprintf(buf, "%s", wctx->section_pbuf[wctx->level-1].str);
1303 
1304  if (flat->hierarchical ||
1306  av_bprintf(buf, "%s%s", wctx->section[wctx->level]->name, flat->sep_str);
1307 
1308  if (parent_section->flags & SECTION_FLAG_IS_ARRAY) {
1309  int n = parent_section->id == SECTION_ID_PACKETS_AND_FRAMES ?
1310  wctx->nb_section_packet_frame : wctx->nb_item[wctx->level-1];
1311  av_bprintf(buf, "%d%s", n, flat->sep_str);
1312  }
1313  }
1314 }
1315 
1316 static void flat_print_int(WriterContext *wctx, const char *key, long long int value)
1317 {
1318  printf("%s%s=%lld\n", wctx->section_pbuf[wctx->level].str, key, value);
1319 }
1320 
1321 static void flat_print_str(WriterContext *wctx, const char *key, const char *value)
1322 {
1323  FlatContext *flat = wctx->priv;
1324  AVBPrint buf;
1325 
1326  printf("%s", wctx->section_pbuf[wctx->level].str);
1328  printf("%s=", flat_escape_key_str(&buf, key, flat->sep));
1329  av_bprint_clear(&buf);
1330  printf("\"%s\"\n", flat_escape_value_str(&buf, value));
1331  av_bprint_finalize(&buf, NULL);
1332 }
1333 
1334 static const Writer flat_writer = {
1335  .name = "flat",
1336  .priv_size = sizeof(FlatContext),
1337  .init = flat_init,
1339  .print_integer = flat_print_int,
1340  .print_string = flat_print_str,
1342  .priv_class = &flat_class,
1343 };
1344 
1345 /* INI format output */
1346 
1347 typedef struct INIContext {
1348  const AVClass *class;
1350 } INIContext;
1351 
1352 #undef OFFSET
1353 #define OFFSET(x) offsetof(INIContext, x)
1354 
1355 static const AVOption ini_options[] = {
1356  {"hierarchical", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
1357  {"h", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
1358  {NULL},
1359 };
1360 
1361 DEFINE_WRITER_CLASS(ini);
1362 
1363 static char *ini_escape_str(AVBPrint *dst, const char *src)
1364 {
1365  int i = 0;
1366  char c = 0;
1367 
1368  while (c = src[i++]) {
1369  switch (c) {
1370  case '\b': av_bprintf(dst, "%s", "\\b"); break;
1371  case '\f': av_bprintf(dst, "%s", "\\f"); break;
1372  case '\n': av_bprintf(dst, "%s", "\\n"); break;
1373  case '\r': av_bprintf(dst, "%s", "\\r"); break;
1374  case '\t': av_bprintf(dst, "%s", "\\t"); break;
1375  case '\\':
1376  case '#' :
1377  case '=' :
1378  case ':' : av_bprint_chars(dst, '\\', 1);
1379  default:
1380  if ((unsigned char)c < 32)
1381  av_bprintf(dst, "\\x00%02x", c & 0xff);
1382  else
1383  av_bprint_chars(dst, c, 1);
1384  break;
1385  }
1386  }
1387  return dst->str;
1388 }
1389 
1391 {
1392  INIContext *ini = wctx->priv;
1393  AVBPrint *buf = &wctx->section_pbuf[wctx->level];
1394  const struct section *section = wctx->section[wctx->level];
1395  const struct section *parent_section = wctx->level ?
1396  wctx->section[wctx->level-1] : NULL;
1397 
1398  av_bprint_clear(buf);
1399  if (!parent_section) {
1400  printf("# ffprobe output\n\n");
1401  return;
1402  }
1403 
1404  if (wctx->nb_item[wctx->level-1])
1405  printf("\n");
1406 
1407  av_bprintf(buf, "%s", wctx->section_pbuf[wctx->level-1].str);
1408  if (ini->hierarchical ||
1410  av_bprintf(buf, "%s%s", buf->str[0] ? "." : "", wctx->section[wctx->level]->name);
1411 
1412  if (parent_section->flags & SECTION_FLAG_IS_ARRAY) {
1413  int n = parent_section->id == SECTION_ID_PACKETS_AND_FRAMES ?
1414  wctx->nb_section_packet_frame : wctx->nb_item[wctx->level-1];
1415  av_bprintf(buf, ".%d", n);
1416  }
1417  }
1418 
1420  printf("[%s]\n", buf->str);
1421 }
1422 
1423 static void ini_print_str(WriterContext *wctx, const char *key, const char *value)
1424 {
1425  AVBPrint buf;
1426 
1428  printf("%s=", ini_escape_str(&buf, key));
1429  av_bprint_clear(&buf);
1430  printf("%s\n", ini_escape_str(&buf, value));
1431  av_bprint_finalize(&buf, NULL);
1432 }
1433 
1434 static void ini_print_int(WriterContext *wctx, const char *key, long long int value)
1435 {
1436  printf("%s=%lld\n", key, value);
1437 }
1438 
1439 static const Writer ini_writer = {
1440  .name = "ini",
1441  .priv_size = sizeof(INIContext),
1443  .print_integer = ini_print_int,
1444  .print_string = ini_print_str,
1446  .priv_class = &ini_class,
1447 };
1448 
1449 /* JSON output */
1450 
1451 typedef struct JSONContext {
1452  const AVClass *class;
1454  int compact;
1455  const char *item_sep, *item_start_end;
1456 } JSONContext;
1457 
1458 #undef OFFSET
1459 #define OFFSET(x) offsetof(JSONContext, x)
1460 
1461 static const AVOption json_options[]= {
1462  { "compact", "enable compact output", OFFSET(compact), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
1463  { "c", "enable compact output", OFFSET(compact), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
1464  { NULL }
1465 };
1466 
1467 DEFINE_WRITER_CLASS(json);
1468 
1470 {
1471  JSONContext *json = wctx->priv;
1472 
1473  json->item_sep = json->compact ? ", " : ",\n";
1474  json->item_start_end = json->compact ? " " : "\n";
1475 
1476  return 0;
1477 }
1478 
1479 static const char *json_escape_str(AVBPrint *dst, const char *src, void *log_ctx)
1480 {
1481  static const char json_escape[] = {'"', '\\', '\b', '\f', '\n', '\r', '\t', 0};
1482  static const char json_subst[] = {'"', '\\', 'b', 'f', 'n', 'r', 't', 0};
1483  const char *p;
1484 
1485  for (p = src; *p; p++) {
1486  char *s = strchr(json_escape, *p);
1487  if (s) {
1488  av_bprint_chars(dst, '\\', 1);
1489  av_bprint_chars(dst, json_subst[s - json_escape], 1);
1490  } else if ((unsigned char)*p < 32) {
1491  av_bprintf(dst, "\\u00%02x", *p & 0xff);
1492  } else {
1493  av_bprint_chars(dst, *p, 1);
1494  }
1495  }
1496  return dst->str;
1497 }
1498 
1499 #define JSON_INDENT() printf("%*c", json->indent_level * 4, ' ')
1500 
1502 {
1503  JSONContext *json = wctx->priv;
1504  AVBPrint buf;
1505  const struct section *section = wctx->section[wctx->level];
1506  const struct section *parent_section = wctx->level ?
1507  wctx->section[wctx->level-1] : NULL;
1508 
1509  if (wctx->level && wctx->nb_item[wctx->level-1])
1510  printf(",\n");
1511 
1512  if (section->flags & SECTION_FLAG_IS_WRAPPER) {
1513  printf("{\n");
1514  json->indent_level++;
1515  } else {
1517  json_escape_str(&buf, section->name, wctx);
1518  JSON_INDENT();
1519 
1520  json->indent_level++;
1521  if (section->flags & SECTION_FLAG_IS_ARRAY) {
1522  printf("\"%s\": [\n", buf.str);
1523  } else if (parent_section && !(parent_section->flags & SECTION_FLAG_IS_ARRAY)) {
1524  printf("\"%s\": {%s", buf.str, json->item_start_end);
1525  } else {
1526  printf("{%s", json->item_start_end);
1527 
1528  /* this is required so the parser can distinguish between packets and frames */
1529  if (parent_section && parent_section->id == SECTION_ID_PACKETS_AND_FRAMES) {
1530  if (!json->compact)
1531  JSON_INDENT();
1532  printf("\"type\": \"%s\"%s", section->name, json->item_sep);
1533  }
1534  }
1535  av_bprint_finalize(&buf, NULL);
1536  }
1537 }
1538 
1540 {
1541  JSONContext *json = wctx->priv;
1542  const struct section *section = wctx->section[wctx->level];
1543 
1544  if (wctx->level == 0) {
1545  json->indent_level--;
1546  printf("\n}\n");
1547  } else if (section->flags & SECTION_FLAG_IS_ARRAY) {
1548  printf("\n");
1549  json->indent_level--;
1550  JSON_INDENT();
1551  printf("]");
1552  } else {
1553  printf("%s", json->item_start_end);
1554  json->indent_level--;
1555  if (!json->compact)
1556  JSON_INDENT();
1557  printf("}");
1558  }
1559 }
1560 
1561 static inline void json_print_item_str(WriterContext *wctx,
1562  const char *key, const char *value)
1563 {
1564  AVBPrint buf;
1565 
1567  printf("\"%s\":", json_escape_str(&buf, key, wctx));
1568  av_bprint_clear(&buf);
1569  printf(" \"%s\"", json_escape_str(&buf, value, wctx));
1570  av_bprint_finalize(&buf, NULL);
1571 }
1572 
1573 static void json_print_str(WriterContext *wctx, const char *key, const char *value)
1574 {
1575  JSONContext *json = wctx->priv;
1576 
1577  if (wctx->nb_item[wctx->level])
1578  printf("%s", json->item_sep);
1579  if (!json->compact)
1580  JSON_INDENT();
1581  json_print_item_str(wctx, key, value);
1582 }
1583 
1584 static void json_print_int(WriterContext *wctx, const char *key, long long int value)
1585 {
1586  JSONContext *json = wctx->priv;
1587  AVBPrint buf;
1588 
1589  if (wctx->nb_item[wctx->level])
1590  printf("%s", json->item_sep);
1591  if (!json->compact)
1592  JSON_INDENT();
1593 
1595  printf("\"%s\": %lld", json_escape_str(&buf, key, wctx), value);
1596  av_bprint_finalize(&buf, NULL);
1597 }
1598 
1599 static const Writer json_writer = {
1600  .name = "json",
1601  .priv_size = sizeof(JSONContext),
1602  .init = json_init,
1605  .print_integer = json_print_int,
1606  .print_string = json_print_str,
1608  .priv_class = &json_class,
1609 };
1610 
1611 /* XML output */
1612 
1613 typedef struct XMLContext {
1614  const AVClass *class;
1619 } XMLContext;
1620 
1621 #undef OFFSET
1622 #define OFFSET(x) offsetof(XMLContext, x)
1623 
1624 static const AVOption xml_options[] = {
1625  {"fully_qualified", "specify if the output should be fully qualified", OFFSET(fully_qualified), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
1626  {"q", "specify if the output should be fully qualified", OFFSET(fully_qualified), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
1627  {"xsd_strict", "ensure that the output is XSD compliant", OFFSET(xsd_strict), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
1628  {"x", "ensure that the output is XSD compliant", OFFSET(xsd_strict), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
1629  {NULL},
1630 };
1631 
1632 DEFINE_WRITER_CLASS(xml);
1633 
1634 static av_cold int xml_init(WriterContext *wctx)
1635 {
1636  XMLContext *xml = wctx->priv;
1637 
1638  if (xml->xsd_strict) {
1639  xml->fully_qualified = 1;
1640 #define CHECK_COMPLIANCE(opt, opt_name) \
1641  if (opt) { \
1642  av_log(wctx, AV_LOG_ERROR, \
1643  "XSD-compliant output selected but option '%s' was selected, XML output may be non-compliant.\n" \
1644  "You need to disable such option with '-no%s'\n", opt_name, opt_name); \
1645  return AVERROR(EINVAL); \
1646  }
1647  CHECK_COMPLIANCE(show_private_data, "private");
1650 
1652  av_log(wctx, AV_LOG_ERROR,
1653  "Interleaved frames and packets are not allowed in XSD. "
1654  "Select only one between the -show_frames and the -show_packets options.\n");
1655  return AVERROR(EINVAL);
1656  }
1657  }
1658 
1659  return 0;
1660 }
1661 
1662 static const char *xml_escape_str(AVBPrint *dst, const char *src, void *log_ctx)
1663 {
1664  const char *p;
1665 
1666  for (p = src; *p; p++) {
1667  switch (*p) {
1668  case '&' : av_bprintf(dst, "%s", "&amp;"); break;
1669  case '<' : av_bprintf(dst, "%s", "&lt;"); break;
1670  case '>' : av_bprintf(dst, "%s", "&gt;"); break;
1671  case '"' : av_bprintf(dst, "%s", "&quot;"); break;
1672  case '\'': av_bprintf(dst, "%s", "&apos;"); break;
1673  default: av_bprint_chars(dst, *p, 1);
1674  }
1675  }
1676 
1677  return dst->str;
1678 }
1679 
1680 #define XML_INDENT() printf("%*c", xml->indent_level * 4, ' ')
1681 
1683 {
1684  XMLContext *xml = wctx->priv;
1685  const struct section *section = wctx->section[wctx->level];
1686  const struct section *parent_section = wctx->level ?
1687  wctx->section[wctx->level-1] : NULL;
1688 
1689  if (wctx->level == 0) {
1690  const char *qual = " xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' "
1691  "xmlns:ffprobe='http://www.ffmpeg.org/schema/ffprobe' "
1692  "xsi:schemaLocation='http://www.ffmpeg.org/schema/ffprobe ffprobe.xsd'";
1693 
1694  printf("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");
1695  printf("<%sffprobe%s>\n",
1696  xml->fully_qualified ? "ffprobe:" : "",
1697  xml->fully_qualified ? qual : "");
1698  return;
1699  }
1700 
1701  if (xml->within_tag) {
1702  xml->within_tag = 0;
1703  printf(">\n");
1704  }
1705  if (section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS) {
1706  xml->indent_level++;
1707  } else {
1708  if (parent_section && (parent_section->flags & SECTION_FLAG_IS_WRAPPER) &&
1709  wctx->level && wctx->nb_item[wctx->level-1])
1710  printf("\n");
1711  xml->indent_level++;
1712 
1713  if (section->flags & SECTION_FLAG_IS_ARRAY) {
1714  XML_INDENT(); printf("<%s>\n", section->name);
1715  } else {
1716  XML_INDENT(); printf("<%s ", section->name);
1717  xml->within_tag = 1;
1718  }
1719  }
1720 }
1721 
1723 {
1724  XMLContext *xml = wctx->priv;
1725  const struct section *section = wctx->section[wctx->level];
1726 
1727  if (wctx->level == 0) {
1728  printf("</%sffprobe>\n", xml->fully_qualified ? "ffprobe:" : "");
1729  } else if (xml->within_tag) {
1730  xml->within_tag = 0;
1731  printf("/>\n");
1732  xml->indent_level--;
1733  } else if (section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS) {
1734  xml->indent_level--;
1735  } else {
1736  XML_INDENT(); printf("</%s>\n", section->name);
1737  xml->indent_level--;
1738  }
1739 }
1740 
1741 static void xml_print_str(WriterContext *wctx, const char *key, const char *value)
1742 {
1743  AVBPrint buf;
1744  XMLContext *xml = wctx->priv;
1745  const struct section *section = wctx->section[wctx->level];
1746 
1748 
1749  if (section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS) {
1750  XML_INDENT();
1751  printf("<%s key=\"%s\"",
1752  section->element_name, xml_escape_str(&buf, key, wctx));
1753  av_bprint_clear(&buf);
1754  printf(" value=\"%s\"/>\n", xml_escape_str(&buf, value, wctx));
1755  } else {
1756  if (wctx->nb_item[wctx->level])
1757  printf(" ");
1758  printf("%s=\"%s\"", key, xml_escape_str(&buf, value, wctx));
1759  }
1760 
1761  av_bprint_finalize(&buf, NULL);
1762 }
1763 
1764 static void xml_print_int(WriterContext *wctx, const char *key, long long int value)
1765 {
1766  if (wctx->nb_item[wctx->level])
1767  printf(" ");
1768  printf("%s=\"%lld\"", key, value);
1769 }
1770 
1771 static Writer xml_writer = {
1772  .name = "xml",
1773  .priv_size = sizeof(XMLContext),
1774  .init = xml_init,
1777  .print_integer = xml_print_int,
1778  .print_string = xml_print_str,
1780  .priv_class = &xml_class,
1781 };
1782 
1783 static void writer_register_all(void)
1784 {
1785  static int initialized;
1786 
1787  if (initialized)
1788  return;
1789  initialized = 1;
1790 
1791  writer_register(&default_writer);
1792  writer_register(&compact_writer);
1793  writer_register(&csv_writer);
1794  writer_register(&flat_writer);
1795  writer_register(&ini_writer);
1796  writer_register(&json_writer);
1797  writer_register(&xml_writer);
1798 }
1799 
1800 #define print_fmt(k, f, ...) do { \
1801  av_bprint_clear(&pbuf); \
1802  av_bprintf(&pbuf, f, __VA_ARGS__); \
1803  writer_print_string(w, k, pbuf.str, 0); \
1804 } while (0)
1805 
1806 #define print_int(k, v) writer_print_integer(w, k, v)
1807 #define print_q(k, v, s) writer_print_rational(w, k, v, s)
1808 #define print_str(k, v) writer_print_string(w, k, v, 0)
1809 #define print_str_opt(k, v) writer_print_string(w, k, v, PRINT_STRING_OPT)
1810 #define print_str_validate(k, v) writer_print_string(w, k, v, PRINT_STRING_VALIDATE)
1811 #define print_time(k, v, tb) writer_print_time(w, k, v, tb, 0)
1812 #define print_ts(k, v) writer_print_ts(w, k, v, 0)
1813 #define print_duration_time(k, v, tb) writer_print_time(w, k, v, tb, 1)
1814 #define print_duration_ts(k, v) writer_print_ts(w, k, v, 1)
1815 #define print_val(k, v, u) do { \
1816  struct unit_value uv; \
1817  uv.val.i = v; \
1818  uv.unit = u; \
1819  writer_print_string(w, k, value_string(val_str, sizeof(val_str), uv), 0); \
1820 } while (0)
1821 
1822 #define print_section_header(s) writer_print_section_header(w, s)
1823 #define print_section_footer(s) writer_print_section_footer(w, s)
1824 
1825 #define REALLOCZ_ARRAY_STREAM(ptr, cur_n, new_n) \
1826 { \
1827  ret = av_reallocp_array(&(ptr), (new_n), sizeof(*(ptr))); \
1828  if (ret < 0) \
1829  goto end; \
1830  memset( (ptr) + (cur_n), 0, ((new_n) - (cur_n)) * sizeof(*(ptr)) ); \
1831 }
1832 
1833 static inline int show_tags(WriterContext *w, AVDictionary *tags, int section_id)
1834 {
1836  int ret = 0;
1837 
1838  if (!tags)
1839  return 0;
1840  writer_print_section_header(w, section_id);
1841 
1842  while ((tag = av_dict_get(tags, "", tag, AV_DICT_IGNORE_SUFFIX))) {
1843  if ((ret = print_str_validate(tag->key, tag->value)) < 0)
1844  break;
1845  }
1847 
1848  return ret;
1849 }
1850 
1852  AVCodecParameters *par,
1853  const AVPacketSideData *side_data,
1854  int nb_side_data,
1855  SectionID id_data_list,
1856  SectionID id_data)
1857 {
1858  int i;
1859 
1860  writer_print_section_header(w, id_data_list);
1861  for (i = 0; i < nb_side_data; i++) {
1862  const AVPacketSideData *sd = &side_data[i];
1863  const char *name = av_packet_side_data_name(sd->type);
1864 
1865  writer_print_section_header(w, id_data);
1866  print_str("side_data_type", name ? name : "unknown");
1867  if (sd->type == AV_PKT_DATA_DISPLAYMATRIX && sd->size >= 9*4) {
1868  writer_print_integers(w, "displaymatrix", sd->data, 9, " %11d", 3, 4, 1);
1869  print_int("rotation", av_display_rotation_get((int32_t *)sd->data));
1870  } else if (sd->type == AV_PKT_DATA_STEREO3D) {
1871  const AVStereo3D *stereo = (AVStereo3D *)sd->data;
1872  print_str("type", av_stereo3d_type_name(stereo->type));
1873  print_int("inverted", !!(stereo->flags & AV_STEREO3D_FLAG_INVERT));
1874  } else if (sd->type == AV_PKT_DATA_SPHERICAL) {
1875  const AVSphericalMapping *spherical = (AVSphericalMapping *)sd->data;
1876  print_str("projection", av_spherical_projection_name(spherical->projection));
1877  if (spherical->projection == AV_SPHERICAL_CUBEMAP) {
1878  print_int("padding", spherical->padding);
1879  } else if (spherical->projection == AV_SPHERICAL_EQUIRECTANGULAR_TILE) {
1880  size_t l, t, r, b;
1881  av_spherical_tile_bounds(spherical, par->width, par->height,
1882  &l, &t, &r, &b);
1883  print_int("bound_left", l);
1884  print_int("bound_top", t);
1885  print_int("bound_right", r);
1886  print_int("bound_bottom", b);
1887  }
1888 
1889  print_int("yaw", (double) spherical->yaw / (1 << 16));
1890  print_int("pitch", (double) spherical->pitch / (1 << 16));
1891  print_int("roll", (double) spherical->roll / (1 << 16));
1892  } else if (sd->type == AV_PKT_DATA_SKIP_SAMPLES && sd->size == 10) {
1893  print_int("skip_samples", AV_RL32(sd->data));
1894  print_int("discard_padding", AV_RL32(sd->data + 4));
1895  print_int("skip_reason", AV_RL8(sd->data + 8));
1896  print_int("discard_reason", AV_RL8(sd->data + 9));
1897  } else if (sd->type == AV_PKT_DATA_MASTERING_DISPLAY_METADATA) {
1899 
1900  if (metadata->has_primaries) {
1901  print_q("red_x", metadata->display_primaries[0][0], '/');
1902  print_q("red_y", metadata->display_primaries[0][1], '/');
1903  print_q("green_x", metadata->display_primaries[1][0], '/');
1904  print_q("green_y", metadata->display_primaries[1][1], '/');
1905  print_q("blue_x", metadata->display_primaries[2][0], '/');
1906  print_q("blue_y", metadata->display_primaries[2][1], '/');
1907 
1908  print_q("white_point_x", metadata->white_point[0], '/');
1909  print_q("white_point_y", metadata->white_point[1], '/');
1910  }
1911 
1912  if (metadata->has_luminance) {
1913  print_q("min_luminance", metadata->min_luminance, '/');
1914  print_q("max_luminance", metadata->max_luminance, '/');
1915  }
1916  } else if (sd->type == AV_PKT_DATA_CONTENT_LIGHT_LEVEL) {
1918  print_int("max_content", metadata->MaxCLL);
1919  print_int("max_average", metadata->MaxFALL);
1920  }
1922  }
1924 }
1925 
1926 static void clear_log(int need_lock)
1927 {
1928  int i;
1929 
1930  if (need_lock)
1931  pthread_mutex_lock(&log_mutex);
1932  for (i=0; i<log_buffer_size; i++) {
1933  av_freep(&log_buffer[i].context_name);
1934  av_freep(&log_buffer[i].parent_name);
1935  av_freep(&log_buffer[i].log_message);
1936  }
1937  log_buffer_size = 0;
1938  if(need_lock)
1939  pthread_mutex_unlock(&log_mutex);
1940 }
1941 
1942 static int show_log(WriterContext *w, int section_ids, int section_id, int log_level)
1943 {
1944  int i;
1945  pthread_mutex_lock(&log_mutex);
1946  if (!log_buffer_size) {
1947  pthread_mutex_unlock(&log_mutex);
1948  return 0;
1949  }
1950  writer_print_section_header(w, section_ids);
1951 
1952  for (i=0; i<log_buffer_size; i++) {
1953  if (log_buffer[i].log_level <= log_level) {
1954  writer_print_section_header(w, section_id);
1955  print_str("context", log_buffer[i].context_name);
1956  print_int("level", log_buffer[i].log_level);
1957  print_int("category", log_buffer[i].category);
1958  if (log_buffer[i].parent_name) {
1959  print_str("parent_context", log_buffer[i].parent_name);
1960  print_int("parent_category", log_buffer[i].parent_category);
1961  } else {
1962  print_str_opt("parent_context", "N/A");
1963  print_str_opt("parent_category", "N/A");
1964  }
1965  print_str("message", log_buffer[i].log_message);
1967  }
1968  }
1969  clear_log(0);
1970  pthread_mutex_unlock(&log_mutex);
1971 
1973 
1974  return 0;
1975 }
1976 
1977 static void show_packet(WriterContext *w, InputFile *ifile, AVPacket *pkt, int packet_idx)
1978 {
1979  char val_str[128];
1980  AVStream *st = ifile->streams[pkt->stream_index].st;
1981  AVBPrint pbuf;
1982  const char *s;
1983 
1985 
1987 
1989  if (s) print_str ("codec_type", s);
1990  else print_str_opt("codec_type", "unknown");
1991  print_int("stream_index", pkt->stream_index);
1992  print_ts ("pts", pkt->pts);
1993  print_time("pts_time", pkt->pts, &st->time_base);
1994  print_ts ("dts", pkt->dts);
1995  print_time("dts_time", pkt->dts, &st->time_base);
1996  print_duration_ts("duration", pkt->duration);
1997  print_duration_time("duration_time", pkt->duration, &st->time_base);
1998  print_duration_ts("convergence_duration", pkt->convergence_duration);
1999  print_duration_time("convergence_duration_time", pkt->convergence_duration, &st->time_base);
2000  print_val("size", pkt->size, unit_byte_str);
2001  if (pkt->pos != -1) print_fmt ("pos", "%"PRId64, pkt->pos);
2002  else print_str_opt("pos", "N/A");
2003  print_fmt("flags", "%c%c", pkt->flags & AV_PKT_FLAG_KEY ? 'K' : '_',
2004  pkt->flags & AV_PKT_FLAG_DISCARD ? 'D' : '_');
2005 
2006  if (pkt->side_data_elems) {
2007  int size;
2008  const uint8_t *side_metadata;
2009 
2010  side_metadata = av_packet_get_side_data(pkt, AV_PKT_DATA_STRINGS_METADATA, &size);
2011  if (side_metadata && size && do_show_packet_tags) {
2012  AVDictionary *dict = NULL;
2013  if (av_packet_unpack_dictionary(side_metadata, size, &dict) >= 0)
2015  av_dict_free(&dict);
2016  }
2017 
2021  }
2022 
2023  if (do_show_data)
2024  writer_print_data(w, "data", pkt->data, pkt->size);
2025  writer_print_data_hash(w, "data_hash", pkt->data, pkt->size);
2027 
2028  av_bprint_finalize(&pbuf, NULL);
2029  fflush(stdout);
2030 }
2031 
2032 static void show_subtitle(WriterContext *w, AVSubtitle *sub, AVStream *stream,
2034 {
2035  AVBPrint pbuf;
2036 
2038 
2040 
2041  print_str ("media_type", "subtitle");
2042  print_ts ("pts", sub->pts);
2043  print_time("pts_time", sub->pts, &AV_TIME_BASE_Q);
2044  print_int ("format", sub->format);
2045  print_int ("start_display_time", sub->start_display_time);
2046  print_int ("end_display_time", sub->end_display_time);
2047  print_int ("num_rects", sub->num_rects);
2048 
2050 
2051  av_bprint_finalize(&pbuf, NULL);
2052  fflush(stdout);
2053 }
2054 
2055 static void show_frame(WriterContext *w, AVFrame *frame, AVStream *stream,
2057 {
2058  AVBPrint pbuf;
2059  char val_str[128];
2060  const char *s;
2061  int i;
2062 
2064 
2066 
2068  if (s) print_str ("media_type", s);
2069  else print_str_opt("media_type", "unknown");
2070  print_int("stream_index", stream->index);
2071  print_int("key_frame", frame->key_frame);
2072  print_ts ("pkt_pts", frame->pts);
2073  print_time("pkt_pts_time", frame->pts, &stream->time_base);
2074  print_ts ("pkt_dts", frame->pkt_dts);
2075  print_time("pkt_dts_time", frame->pkt_dts, &stream->time_base);
2076  print_ts ("best_effort_timestamp", frame->best_effort_timestamp);
2077  print_time("best_effort_timestamp_time", frame->best_effort_timestamp, &stream->time_base);
2078  print_duration_ts ("pkt_duration", frame->pkt_duration);
2079  print_duration_time("pkt_duration_time", frame->pkt_duration, &stream->time_base);
2080  if (frame->pkt_pos != -1) print_fmt ("pkt_pos", "%"PRId64, frame->pkt_pos);
2081  else print_str_opt("pkt_pos", "N/A");
2082  if (frame->pkt_size != -1) print_val ("pkt_size", frame->pkt_size, unit_byte_str);
2083  else print_str_opt("pkt_size", "N/A");
2084 
2085  switch (stream->codecpar->codec_type) {
2086  AVRational sar;
2087 
2088  case AVMEDIA_TYPE_VIDEO:
2089  print_int("width", frame->width);
2090  print_int("height", frame->height);
2091  s = av_get_pix_fmt_name(frame->format);
2092  if (s) print_str ("pix_fmt", s);
2093  else print_str_opt("pix_fmt", "unknown");
2094  sar = av_guess_sample_aspect_ratio(fmt_ctx, stream, frame);
2095  if (sar.num) {
2096  print_q("sample_aspect_ratio", sar, ':');
2097  } else {
2098  print_str_opt("sample_aspect_ratio", "N/A");
2099  }
2100  print_fmt("pict_type", "%c", av_get_picture_type_char(frame->pict_type));
2101  print_int("coded_picture_number", frame->coded_picture_number);
2102  print_int("display_picture_number", frame->display_picture_number);
2103  print_int("interlaced_frame", frame->interlaced_frame);
2104  print_int("top_field_first", frame->top_field_first);
2105  print_int("repeat_pict", frame->repeat_pict);
2106  break;
2107 
2108  case AVMEDIA_TYPE_AUDIO:
2109  s = av_get_sample_fmt_name(frame->format);
2110  if (s) print_str ("sample_fmt", s);
2111  else print_str_opt("sample_fmt", "unknown");
2112  print_int("nb_samples", frame->nb_samples);
2113  print_int("channels", frame->channels);
2114  if (frame->channel_layout) {
2115  av_bprint_clear(&pbuf);
2116  av_bprint_channel_layout(&pbuf, frame->channels,
2117  frame->channel_layout);
2118  print_str ("channel_layout", pbuf.str);
2119  } else
2120  print_str_opt("channel_layout", "unknown");
2121  break;
2122  }
2123  if (do_show_frame_tags)
2125  if (do_show_log)
2127  if (frame->nb_side_data) {
2129  for (i = 0; i < frame->nb_side_data; i++) {
2130  AVFrameSideData *sd = frame->side_data[i];
2131  const char *name;
2132 
2134  name = av_frame_side_data_name(sd->type);
2135  print_str("side_data_type", name ? name : "unknown");
2136  if (sd->type == AV_FRAME_DATA_DISPLAYMATRIX && sd->size >= 9*4) {
2137  writer_print_integers(w, "displaymatrix", sd->data, 9, " %11d", 3, 4, 1);
2138  print_int("rotation", av_display_rotation_get((int32_t *)sd->data));
2139  } else if (sd->type == AV_FRAME_DATA_GOP_TIMECODE && sd->size >= 8) {
2140  char tcbuf[AV_TIMECODE_STR_SIZE];
2141  av_timecode_make_mpeg_tc_string(tcbuf, *(int64_t *)(sd->data));
2142  print_str("timecode", tcbuf);
2143  } else if (sd->type == AV_FRAME_DATA_MASTERING_DISPLAY_METADATA) {
2145 
2146  if (metadata->has_primaries) {
2147  print_q("red_x", metadata->display_primaries[0][0], '/');
2148  print_q("red_y", metadata->display_primaries[0][1], '/');
2149  print_q("green_x", metadata->display_primaries[1][0], '/');
2150  print_q("green_y", metadata->display_primaries[1][1], '/');
2151  print_q("blue_x", metadata->display_primaries[2][0], '/');
2152  print_q("blue_y", metadata->display_primaries[2][1], '/');
2153 
2154  print_q("white_point_x", metadata->white_point[0], '/');
2155  print_q("white_point_y", metadata->white_point[1], '/');
2156  }
2157 
2158  if (metadata->has_luminance) {
2159  print_q("min_luminance", metadata->min_luminance, '/');
2160  print_q("max_luminance", metadata->max_luminance, '/');
2161  }
2162  } else if (sd->type == AV_FRAME_DATA_CONTENT_LIGHT_LEVEL) {
2164  print_int("max_content", metadata->MaxCLL);
2165  print_int("max_average", metadata->MaxFALL);
2166  }
2168  }
2170  }
2171 
2173 
2174  av_bprint_finalize(&pbuf, NULL);
2175  fflush(stdout);
2176 }
2177 
2179  InputFile *ifile,
2181  int *packet_new)
2182 {
2183  AVFormatContext *fmt_ctx = ifile->fmt_ctx;
2185  AVCodecParameters *par = ifile->streams[pkt->stream_index].st->codecpar;
2186  AVSubtitle sub;
2187  int ret = 0, got_frame = 0;
2188 
2189  clear_log(1);
2190  if (dec_ctx && dec_ctx->codec) {
2191  switch (par->codec_type) {
2192  case AVMEDIA_TYPE_VIDEO:
2193  case AVMEDIA_TYPE_AUDIO:
2194  if (*packet_new) {
2195  ret = avcodec_send_packet(dec_ctx, pkt);
2196  if (ret == AVERROR(EAGAIN)) {
2197  ret = 0;
2198  } else if (ret >= 0 || ret == AVERROR_EOF) {
2199  ret = 0;
2200  *packet_new = 0;
2201  }
2202  }
2203  if (ret >= 0) {
2204  ret = avcodec_receive_frame(dec_ctx, frame);
2205  if (ret >= 0) {
2206  got_frame = 1;
2207  } else if (ret == AVERROR(EAGAIN) || ret == AVERROR_EOF) {
2208  ret = 0;
2209  }
2210  }
2211  break;
2212 
2213  case AVMEDIA_TYPE_SUBTITLE:
2214  ret = avcodec_decode_subtitle2(dec_ctx, &sub, &got_frame, pkt);
2215  *packet_new = 0;
2216  break;
2217  default:
2218  *packet_new = 0;
2219  }
2220  } else {
2221  *packet_new = 0;
2222  }
2223 
2224  if (ret < 0)
2225  return ret;
2226  if (got_frame) {
2227  int is_sub = (par->codec_type == AVMEDIA_TYPE_SUBTITLE);
2229  if (do_show_frames)
2230  if (is_sub)
2231  show_subtitle(w, &sub, ifile->streams[pkt->stream_index].st, fmt_ctx);
2232  else
2233  show_frame(w, frame, ifile->streams[pkt->stream_index].st, fmt_ctx);
2234  if (is_sub)
2235  avsubtitle_free(&sub);
2236  }
2237  return got_frame || *packet_new;
2238 }
2239 
2240 static void log_read_interval(const ReadInterval *interval, void *log_ctx, int log_level)
2241 {
2242  av_log(log_ctx, log_level, "id:%d", interval->id);
2243 
2244  if (interval->has_start) {
2245  av_log(log_ctx, log_level, " start:%s%s", interval->start_is_offset ? "+" : "",
2246  av_ts2timestr(interval->start, &AV_TIME_BASE_Q));
2247  } else {
2248  av_log(log_ctx, log_level, " start:N/A");
2249  }
2250 
2251  if (interval->has_end) {
2252  av_log(log_ctx, log_level, " end:%s", interval->end_is_offset ? "+" : "");
2253  if (interval->duration_frames)
2254  av_log(log_ctx, log_level, "#%"PRId64, interval->end);
2255  else
2256  av_log(log_ctx, log_level, "%s", av_ts2timestr(interval->end, &AV_TIME_BASE_Q));
2257  } else {
2258  av_log(log_ctx, log_level, " end:N/A");
2259  }
2260 
2261  av_log(log_ctx, log_level, "\n");
2262 }
2263 
2265  const ReadInterval *interval, int64_t *cur_ts)
2266 {
2267  AVFormatContext *fmt_ctx = ifile->fmt_ctx;
2268  AVPacket pkt;
2269  AVFrame *frame = NULL;
2270  int ret = 0, i = 0, frame_count = 0;
2271  int64_t start = -INT64_MAX, end = interval->end;
2272  int has_start = 0, has_end = interval->has_end && !interval->end_is_offset;
2273 
2274  av_init_packet(&pkt);
2275 
2276  av_log(NULL, AV_LOG_VERBOSE, "Processing read interval ");
2278 
2279  if (interval->has_start) {
2280  int64_t target;
2281  if (interval->start_is_offset) {
2282  if (*cur_ts == AV_NOPTS_VALUE) {
2284  "Could not seek to relative position since current "
2285  "timestamp is not defined\n");
2286  ret = AVERROR(EINVAL);
2287  goto end;
2288  }
2289  target = *cur_ts + interval->start;
2290  } else {
2291  target = interval->start;
2292  }
2293 
2294  av_log(NULL, AV_LOG_VERBOSE, "Seeking to read interval start point %s\n",
2295  av_ts2timestr(target, &AV_TIME_BASE_Q));
2296  if ((ret = avformat_seek_file(fmt_ctx, -1, -INT64_MAX, target, INT64_MAX, 0)) < 0) {
2297  av_log(NULL, AV_LOG_ERROR, "Could not seek to position %"PRId64": %s\n",
2298  interval->start, av_err2str(ret));
2299  goto end;
2300  }
2301  }
2302 
2303  frame = av_frame_alloc();
2304  if (!frame) {
2305  ret = AVERROR(ENOMEM);
2306  goto end;
2307  }
2308  while (!av_read_frame(fmt_ctx, &pkt)) {
2309  if (ifile->nb_streams > nb_streams) {
2313  nb_streams = ifile->nb_streams;
2314  }
2315  if (selected_streams[pkt.stream_index]) {
2316  AVRational tb = ifile->streams[pkt.stream_index].st->time_base;
2317 
2318  if (pkt.pts != AV_NOPTS_VALUE)
2319  *cur_ts = av_rescale_q(pkt.pts, tb, AV_TIME_BASE_Q);
2320 
2321  if (!has_start && *cur_ts != AV_NOPTS_VALUE) {
2322  start = *cur_ts;
2323  has_start = 1;
2324  }
2325 
2326  if (has_start && !has_end && interval->end_is_offset) {
2327  end = start + interval->end;
2328  has_end = 1;
2329  }
2330 
2331  if (interval->end_is_offset && interval->duration_frames) {
2332  if (frame_count >= interval->end)
2333  break;
2334  } else if (has_end && *cur_ts != AV_NOPTS_VALUE && *cur_ts >= end) {
2335  break;
2336  }
2337 
2338  frame_count++;
2339  if (do_read_packets) {
2340  if (do_show_packets)
2341  show_packet(w, ifile, &pkt, i++);
2343  }
2344  if (do_read_frames) {
2345  int packet_new = 1;
2346  while (process_frame(w, ifile, frame, &pkt, &packet_new) > 0);
2347  }
2348  }
2349  av_packet_unref(&pkt);
2350  }
2351  av_init_packet(&pkt);
2352  pkt.data = NULL;
2353  pkt.size = 0;
2354  //Flush remaining frames that are cached in the decoder
2355  for (i = 0; i < fmt_ctx->nb_streams; i++) {
2356  pkt.stream_index = i;
2357  if (do_read_frames)
2358  while (process_frame(w, ifile, frame, &pkt, &(int){1}) > 0);
2359  }
2360 
2361 end:
2362  av_frame_free(&frame);
2363  if (ret < 0) {
2364  av_log(NULL, AV_LOG_ERROR, "Could not read packets in interval ");
2365  log_read_interval(interval, NULL, AV_LOG_ERROR);
2366  }
2367  return ret;
2368 }
2369 
2371 {
2372  AVFormatContext *fmt_ctx = ifile->fmt_ctx;
2373  int i, ret = 0;
2374  int64_t cur_ts = fmt_ctx->start_time;
2375 
2376  if (read_intervals_nb == 0) {
2377  ReadInterval interval = (ReadInterval) { .has_start = 0, .has_end = 0 };
2378  ret = read_interval_packets(w, ifile, &interval, &cur_ts);
2379  } else {
2380  for (i = 0; i < read_intervals_nb; i++) {
2381  ret = read_interval_packets(w, ifile, &read_intervals[i], &cur_ts);
2382  if (ret < 0)
2383  break;
2384  }
2385  }
2386 
2387  return ret;
2388 }
2389 
2390 static int show_stream(WriterContext *w, AVFormatContext *fmt_ctx, int stream_idx, InputStream *ist, int in_program)
2391 {
2392  AVStream *stream = ist->st;
2393  AVCodecParameters *par;
2395  char val_str[128];
2396  const char *s;
2397  AVRational sar, dar;
2398  AVBPrint pbuf;
2399  const AVCodecDescriptor *cd;
2400  int ret = 0;
2401  const char *profile = NULL;
2402 
2404 
2406 
2407  print_int("index", stream->index);
2408 
2409  par = stream->codecpar;
2410  dec_ctx = ist->dec_ctx;
2411  if (cd = avcodec_descriptor_get(par->codec_id)) {
2412  print_str("codec_name", cd->name);
2413  if (!do_bitexact) {
2414  print_str("codec_long_name",
2415  cd->long_name ? cd->long_name : "unknown");
2416  }
2417  } else {
2418  print_str_opt("codec_name", "unknown");
2419  if (!do_bitexact) {
2420  print_str_opt("codec_long_name", "unknown");
2421  }
2422  }
2423 
2424  if (!do_bitexact && (profile = avcodec_profile_name(par->codec_id, par->profile)))
2425  print_str("profile", profile);
2426  else {
2427  if (par->profile != FF_PROFILE_UNKNOWN) {
2428  char profile_num[12];
2429  snprintf(profile_num, sizeof(profile_num), "%d", par->profile);
2430  print_str("profile", profile_num);
2431  } else
2432  print_str_opt("profile", "unknown");
2433  }
2434 
2436  if (s) print_str ("codec_type", s);
2437  else print_str_opt("codec_type", "unknown");
2438 #if FF_API_LAVF_AVCTX
2439  if (dec_ctx)
2440  print_q("codec_time_base", dec_ctx->time_base, '/');
2441 #endif
2442 
2443  /* print AVI/FourCC tag */
2444  print_str("codec_tag_string", av_fourcc2str(par->codec_tag));
2445  print_fmt("codec_tag", "0x%04"PRIx32, par->codec_tag);
2446 
2447  switch (par->codec_type) {
2448  case AVMEDIA_TYPE_VIDEO:
2449  print_int("width", par->width);
2450  print_int("height", par->height);
2451  if (dec_ctx) {
2452  print_int("coded_width", dec_ctx->coded_width);
2453  print_int("coded_height", dec_ctx->coded_height);
2454  }
2455  print_int("has_b_frames", par->video_delay);
2456  sar = av_guess_sample_aspect_ratio(fmt_ctx, stream, NULL);
2457  if (sar.den) {
2458  print_q("sample_aspect_ratio", sar, ':');
2459  av_reduce(&dar.num, &dar.den,
2460  par->width * sar.num,
2461  par->height * sar.den,
2462  1024*1024);
2463  print_q("display_aspect_ratio", dar, ':');
2464  } else {
2465  print_str_opt("sample_aspect_ratio", "N/A");
2466  print_str_opt("display_aspect_ratio", "N/A");
2467  }
2468  s = av_get_pix_fmt_name(par->format);
2469  if (s) print_str ("pix_fmt", s);
2470  else print_str_opt("pix_fmt", "unknown");
2471  print_int("level", par->level);
2473  print_str ("color_range", av_color_range_name(par->color_range));
2474  else
2475  print_str_opt("color_range", "N/A");
2476 
2477  if (par->color_space != AVCOL_SPC_UNSPECIFIED)
2478  print_str("color_space", av_color_space_name(par->color_space));
2479  else
2480  print_str_opt("color_space", av_color_space_name(par->color_space));
2481 
2482  if (par->color_trc != AVCOL_TRC_UNSPECIFIED)
2483  print_str("color_transfer", av_color_transfer_name(par->color_trc));
2484  else
2485  print_str_opt("color_transfer", av_color_transfer_name(par->color_trc));
2486 
2488  print_str("color_primaries", av_color_primaries_name(par->color_primaries));
2489  else
2490  print_str_opt("color_primaries", av_color_primaries_name(par->color_primaries));
2491 
2493  print_str("chroma_location", av_chroma_location_name(par->chroma_location));
2494  else
2495  print_str_opt("chroma_location", av_chroma_location_name(par->chroma_location));
2496 
2497  if (par->field_order == AV_FIELD_PROGRESSIVE)
2498  print_str("field_order", "progressive");
2499  else if (par->field_order == AV_FIELD_TT)
2500  print_str("field_order", "tt");
2501  else if (par->field_order == AV_FIELD_BB)
2502  print_str("field_order", "bb");
2503  else if (par->field_order == AV_FIELD_TB)
2504  print_str("field_order", "tb");
2505  else if (par->field_order == AV_FIELD_BT)
2506  print_str("field_order", "bt");
2507  else
2508  print_str_opt("field_order", "unknown");
2509 
2510 #if FF_API_PRIVATE_OPT
2511  if (dec_ctx && dec_ctx->timecode_frame_start >= 0) {
2512  char tcbuf[AV_TIMECODE_STR_SIZE];
2514  print_str("timecode", tcbuf);
2515  } else {
2516  print_str_opt("timecode", "N/A");
2517  }
2518 #endif
2519  if (dec_ctx)
2520  print_int("refs", dec_ctx->refs);
2521  break;
2522 
2523  case AVMEDIA_TYPE_AUDIO:
2524  s = av_get_sample_fmt_name(par->format);
2525  if (s) print_str ("sample_fmt", s);
2526  else print_str_opt("sample_fmt", "unknown");
2527  print_val("sample_rate", par->sample_rate, unit_hertz_str);
2528  print_int("channels", par->channels);
2529 
2530  if (par->channel_layout) {
2531  av_bprint_clear(&pbuf);
2533  print_str ("channel_layout", pbuf.str);
2534  } else {
2535  print_str_opt("channel_layout", "unknown");
2536  }
2537 
2538  print_int("bits_per_sample", av_get_bits_per_sample(par->codec_id));
2539  break;
2540 
2541  case AVMEDIA_TYPE_SUBTITLE:
2542  if (par->width)
2543  print_int("width", par->width);
2544  else
2545  print_str_opt("width", "N/A");
2546  if (par->height)
2547  print_int("height", par->height);
2548  else
2549  print_str_opt("height", "N/A");
2550  break;
2551  }
2552 
2553  if (dec_ctx && dec_ctx->codec && dec_ctx->codec->priv_class && show_private_data) {
2554  const AVOption *opt = NULL;
2555  while (opt = av_opt_next(dec_ctx->priv_data,opt)) {
2556  uint8_t *str;
2557  if (opt->flags) continue;
2558  if (av_opt_get(dec_ctx->priv_data, opt->name, 0, &str) >= 0) {
2559  print_str(opt->name, str);
2560  av_free(str);
2561  }
2562  }
2563  }
2564 
2565  if (fmt_ctx->iformat->flags & AVFMT_SHOW_IDS) print_fmt ("id", "0x%x", stream->id);
2566  else print_str_opt("id", "N/A");
2567  print_q("r_frame_rate", stream->r_frame_rate, '/');
2568  print_q("avg_frame_rate", stream->avg_frame_rate, '/');
2569  print_q("time_base", stream->time_base, '/');
2570  print_ts ("start_pts", stream->start_time);
2571  print_time("start_time", stream->start_time, &stream->time_base);
2572  print_ts ("duration_ts", stream->duration);
2573  print_time("duration", stream->duration, &stream->time_base);
2574  if (par->bit_rate > 0) print_val ("bit_rate", par->bit_rate, unit_bit_per_second_str);
2575  else print_str_opt("bit_rate", "N/A");
2576 #if FF_API_LAVF_AVCTX
2577  if (stream->codec->rc_max_rate > 0) print_val ("max_bit_rate", stream->codec->rc_max_rate, unit_bit_per_second_str);
2578  else print_str_opt("max_bit_rate", "N/A");
2579 #endif
2580  if (dec_ctx && dec_ctx->bits_per_raw_sample > 0) print_fmt("bits_per_raw_sample", "%d", dec_ctx->bits_per_raw_sample);
2581  else print_str_opt("bits_per_raw_sample", "N/A");
2582  if (stream->nb_frames) print_fmt ("nb_frames", "%"PRId64, stream->nb_frames);
2583  else print_str_opt("nb_frames", "N/A");
2584  if (nb_streams_frames[stream_idx]) print_fmt ("nb_read_frames", "%"PRIu64, nb_streams_frames[stream_idx]);
2585  else print_str_opt("nb_read_frames", "N/A");
2586  if (nb_streams_packets[stream_idx]) print_fmt ("nb_read_packets", "%"PRIu64, nb_streams_packets[stream_idx]);
2587  else print_str_opt("nb_read_packets", "N/A");
2588  if (do_show_data)
2589  writer_print_data(w, "extradata", par->extradata,
2590  par->extradata_size);
2591  writer_print_data_hash(w, "extradata_hash", par->extradata,
2592  par->extradata_size);
2593 
2594  /* Print disposition information */
2595 #define PRINT_DISPOSITION(flagname, name) do { \
2596  print_int(name, !!(stream->disposition & AV_DISPOSITION_##flagname)); \
2597  } while (0)
2598 
2601  PRINT_DISPOSITION(DEFAULT, "default");
2602  PRINT_DISPOSITION(DUB, "dub");
2603  PRINT_DISPOSITION(ORIGINAL, "original");
2604  PRINT_DISPOSITION(COMMENT, "comment");
2605  PRINT_DISPOSITION(LYRICS, "lyrics");
2606  PRINT_DISPOSITION(KARAOKE, "karaoke");
2607  PRINT_DISPOSITION(FORCED, "forced");
2608  PRINT_DISPOSITION(HEARING_IMPAIRED, "hearing_impaired");
2609  PRINT_DISPOSITION(VISUAL_IMPAIRED, "visual_impaired");
2610  PRINT_DISPOSITION(CLEAN_EFFECTS, "clean_effects");
2611  PRINT_DISPOSITION(ATTACHED_PIC, "attached_pic");
2612  PRINT_DISPOSITION(TIMED_THUMBNAILS, "timed_thumbnails");
2614  }
2615 
2616  if (do_show_stream_tags)
2617  ret = show_tags(w, stream->metadata, in_program ? SECTION_ID_PROGRAM_STREAM_TAGS : SECTION_ID_STREAM_TAGS);
2618 
2619  if (stream->nb_side_data) {
2620  print_pkt_side_data(w, stream->codecpar, stream->side_data, stream->nb_side_data,
2623  }
2624 
2626  av_bprint_finalize(&pbuf, NULL);
2627  fflush(stdout);
2628 
2629  return ret;
2630 }
2631 
2633 {
2634  AVFormatContext *fmt_ctx = ifile->fmt_ctx;
2635  int i, ret = 0;
2636 
2638  for (i = 0; i < ifile->nb_streams; i++)
2639  if (selected_streams[i]) {
2640  ret = show_stream(w, fmt_ctx, i, &ifile->streams[i], 0);
2641  if (ret < 0)
2642  break;
2643  }
2645 
2646  return ret;
2647 }
2648 
2650 {
2651  AVFormatContext *fmt_ctx = ifile->fmt_ctx;
2652  int i, ret = 0;
2653 
2655  print_int("program_id", program->id);
2656  print_int("program_num", program->program_num);
2657  print_int("nb_streams", program->nb_stream_indexes);
2658  print_int("pmt_pid", program->pmt_pid);
2659  print_int("pcr_pid", program->pcr_pid);
2660  print_ts("start_pts", program->start_time);
2661  print_time("start_time", program->start_time, &AV_TIME_BASE_Q);
2662  print_ts("end_pts", program->end_time);
2663  print_time("end_time", program->end_time, &AV_TIME_BASE_Q);
2665  ret = show_tags(w, program->metadata, SECTION_ID_PROGRAM_TAGS);
2666  if (ret < 0)
2667  goto end;
2668 
2670  for (i = 0; i < program->nb_stream_indexes; i++) {
2671  if (selected_streams[program->stream_index[i]]) {
2672  ret = show_stream(w, fmt_ctx, program->stream_index[i], &ifile->streams[program->stream_index[i]], 1);
2673  if (ret < 0)
2674  break;
2675  }
2676  }
2678 
2679 end:
2681  return ret;
2682 }
2683 
2685 {
2686  AVFormatContext *fmt_ctx = ifile->fmt_ctx;
2687  int i, ret = 0;
2688 
2690  for (i = 0; i < fmt_ctx->nb_programs; i++) {
2691  AVProgram *program = fmt_ctx->programs[i];
2692  if (!program)
2693  continue;
2694  ret = show_program(w, ifile, program);
2695  if (ret < 0)
2696  break;
2697  }
2699  return ret;
2700 }
2701 
2703 {
2704  AVFormatContext *fmt_ctx = ifile->fmt_ctx;
2705  int i, ret = 0;
2706 
2708  for (i = 0; i < fmt_ctx->nb_chapters; i++) {
2709  AVChapter *chapter = fmt_ctx->chapters[i];
2710 
2712  print_int("id", chapter->id);
2713  print_q ("time_base", chapter->time_base, '/');
2714  print_int("start", chapter->start);
2715  print_time("start_time", chapter->start, &chapter->time_base);
2716  print_int("end", chapter->end);
2717  print_time("end_time", chapter->end, &chapter->time_base);
2719  ret = show_tags(w, chapter->metadata, SECTION_ID_CHAPTER_TAGS);
2721  }
2723 
2724  return ret;
2725 }
2726 
2728 {
2729  AVFormatContext *fmt_ctx = ifile->fmt_ctx;
2730  char val_str[128];
2731  int64_t size = fmt_ctx->pb ? avio_size(fmt_ctx->pb) : -1;
2732  int ret = 0;
2733 
2735  print_str_validate("filename", fmt_ctx->filename);
2736  print_int("nb_streams", fmt_ctx->nb_streams);
2737  print_int("nb_programs", fmt_ctx->nb_programs);
2738  print_str("format_name", fmt_ctx->iformat->name);
2739  if (!do_bitexact) {
2740  if (fmt_ctx->iformat->long_name) print_str ("format_long_name", fmt_ctx->iformat->long_name);
2741  else print_str_opt("format_long_name", "unknown");
2742  }
2743  print_time("start_time", fmt_ctx->start_time, &AV_TIME_BASE_Q);
2744  print_time("duration", fmt_ctx->duration, &AV_TIME_BASE_Q);
2745  if (size >= 0) print_val ("size", size, unit_byte_str);
2746  else print_str_opt("size", "N/A");
2747  if (fmt_ctx->bit_rate > 0) print_val ("bit_rate", fmt_ctx->bit_rate, unit_bit_per_second_str);
2748  else print_str_opt("bit_rate", "N/A");
2749  print_int("probe_score", av_format_get_probe_score(fmt_ctx));
2750  if (do_show_format_tags)
2751  ret = show_tags(w, fmt_ctx->metadata, SECTION_ID_FORMAT_TAGS);
2752 
2754  fflush(stdout);
2755  return ret;
2756 }
2757 
2758 static void show_error(WriterContext *w, int err)
2759 {
2760  char errbuf[128];
2761  const char *errbuf_ptr = errbuf;
2762 
2763  if (av_strerror(err, errbuf, sizeof(errbuf)) < 0)
2764  errbuf_ptr = strerror(AVUNERROR(err));
2765 
2767  print_int("code", err);
2768  print_str("string", errbuf_ptr);
2770 }
2771 
2772 static int open_input_file(InputFile *ifile, const char *filename)
2773 {
2774  int err, i, orig_nb_streams;
2776  AVDictionaryEntry *t;
2777  AVDictionary **opts;
2778  int scan_all_pmts_set = 0;
2779 
2780  fmt_ctx = avformat_alloc_context();
2781  if (!fmt_ctx) {
2782  print_error(filename, AVERROR(ENOMEM));
2783  exit_program(1);
2784  }
2785 
2786  fmt_ctx->flags |= AVFMT_FLAG_KEEP_SIDE_DATA;
2787 
2788  if (!av_dict_get(format_opts, "scan_all_pmts", NULL, AV_DICT_MATCH_CASE)) {
2789  av_dict_set(&format_opts, "scan_all_pmts", "1", AV_DICT_DONT_OVERWRITE);
2790  scan_all_pmts_set = 1;
2791  }
2792  if ((err = avformat_open_input(&fmt_ctx, filename,
2793  iformat, &format_opts)) < 0) {
2794  print_error(filename, err);
2795  return err;
2796  }
2797  ifile->fmt_ctx = fmt_ctx;
2798  if (scan_all_pmts_set)
2799  av_dict_set(&format_opts, "scan_all_pmts", NULL, AV_DICT_MATCH_CASE);
2801  av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
2802  return AVERROR_OPTION_NOT_FOUND;
2803  }
2804 
2805  /* fill the streams in the format context */
2806  opts = setup_find_stream_info_opts(fmt_ctx, codec_opts);
2807  orig_nb_streams = fmt_ctx->nb_streams;
2808 
2809  err = avformat_find_stream_info(fmt_ctx, opts);
2810 
2811  for (i = 0; i < orig_nb_streams; i++)
2812  av_dict_free(&opts[i]);
2813  av_freep(&opts);
2814 
2815  if (err < 0) {
2816  print_error(filename, err);
2817  return err;
2818  }
2819 
2820  av_dump_format(fmt_ctx, 0, filename, 0);
2821 
2822  ifile->streams = av_mallocz_array(fmt_ctx->nb_streams,
2823  sizeof(*ifile->streams));
2824  if (!ifile->streams)
2825  exit(1);
2826  ifile->nb_streams = fmt_ctx->nb_streams;
2827 
2828  /* bind a decoder to each input stream */
2829  for (i = 0; i < fmt_ctx->nb_streams; i++) {
2830  InputStream *ist = &ifile->streams[i];
2831  AVStream *stream = fmt_ctx->streams[i];
2832  AVCodec *codec;
2833 
2834  ist->st = stream;
2835 
2836  if (stream->codecpar->codec_id == AV_CODEC_ID_PROBE) {
2838  "Failed to probe codec for input stream %d\n",
2839  stream->index);
2840  continue;
2841  }
2842 
2843  codec = avcodec_find_decoder(stream->codecpar->codec_id);
2844  if (!codec) {
2846  "Unsupported codec with id %d for input stream %d\n",
2847  stream->codecpar->codec_id, stream->index);
2848  continue;
2849  }
2850  {
2852  fmt_ctx, stream, codec);
2853 
2854  ist->dec_ctx = avcodec_alloc_context3(codec);
2855  if (!ist->dec_ctx)
2856  exit(1);
2857 
2858  err = avcodec_parameters_to_context(ist->dec_ctx, stream->codecpar);
2859  if (err < 0)
2860  exit(1);
2861 
2862  if (do_show_log) {
2863  // For loging it is needed to disable at least frame threads as otherwise
2864  // the log information would need to be reordered and matches up to contexts and frames
2865  // That is in fact possible but not trivial
2866  av_dict_set(&codec_opts, "threads", "1", 0);
2867  }
2868 
2870  ist->dec_ctx->framerate = stream->avg_frame_rate;
2871 
2872  if (avcodec_open2(ist->dec_ctx, codec, &opts) < 0) {
2873  av_log(NULL, AV_LOG_WARNING, "Could not open codec for input stream %d\n",
2874  stream->index);
2875  exit(1);
2876  }
2877 
2878  if ((t = av_dict_get(opts, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
2879  av_log(NULL, AV_LOG_ERROR, "Option %s for input stream %d not found\n",
2880  t->key, stream->index);
2881  return AVERROR_OPTION_NOT_FOUND;
2882  }
2883  }
2884  }
2885 
2886  ifile->fmt_ctx = fmt_ctx;
2887  return 0;
2888 }
2889 
2891 {
2892  int i;
2893 
2894  /* close decoder for each stream */
2895  for (i = 0; i < ifile->nb_streams; i++)
2896  if (ifile->streams[i].st->codecpar->codec_id != AV_CODEC_ID_NONE)
2897  avcodec_free_context(&ifile->streams[i].dec_ctx);
2898 
2899  av_freep(&ifile->streams);
2900  ifile->nb_streams = 0;
2901 
2902  avformat_close_input(&ifile->fmt_ctx);
2903 }
2904 
2905 static int probe_file(WriterContext *wctx, const char *filename)
2906 {
2907  InputFile ifile = { 0 };
2908  int ret, i;
2909  int section_id;
2910 
2913 
2914  ret = open_input_file(&ifile, filename);
2915  if (ret < 0)
2916  goto end;
2917 
2918 #define CHECK_END if (ret < 0) goto end
2919 
2920  nb_streams = ifile.fmt_ctx->nb_streams;
2924 
2925  for (i = 0; i < ifile.fmt_ctx->nb_streams; i++) {
2926  if (stream_specifier) {
2928  ifile.fmt_ctx->streams[i],
2930  CHECK_END;
2931  else
2932  selected_streams[i] = ret;
2933  ret = 0;
2934  } else {
2935  selected_streams[i] = 1;
2936  }
2937  if (!selected_streams[i])
2938  ifile.fmt_ctx->streams[i]->discard = AVDISCARD_ALL;
2939  }
2940 
2944  section_id = SECTION_ID_PACKETS_AND_FRAMES;
2945  else if (do_show_packets && !do_show_frames)
2946  section_id = SECTION_ID_PACKETS;
2947  else // (!do_show_packets && do_show_frames)
2948  section_id = SECTION_ID_FRAMES;
2950  writer_print_section_header(wctx, section_id);
2951  ret = read_packets(wctx, &ifile);
2954  CHECK_END;
2955  }
2956 
2957  if (do_show_programs) {
2958  ret = show_programs(wctx, &ifile);
2959  CHECK_END;
2960  }
2961 
2962  if (do_show_streams) {
2963  ret = show_streams(wctx, &ifile);
2964  CHECK_END;
2965  }
2966  if (do_show_chapters) {
2967  ret = show_chapters(wctx, &ifile);
2968  CHECK_END;
2969  }
2970  if (do_show_format) {
2971  ret = show_format(wctx, &ifile);
2972  CHECK_END;
2973  }
2974 
2975 end:
2976  if (ifile.fmt_ctx)
2977  close_input_file(&ifile);
2981 
2982  return ret;
2983 }
2984 
2985 static void show_usage(void)
2986 {
2987  av_log(NULL, AV_LOG_INFO, "Simple multimedia streams analyzer\n");
2988  av_log(NULL, AV_LOG_INFO, "usage: %s [OPTIONS] [INPUT_FILE]\n", program_name);
2989  av_log(NULL, AV_LOG_INFO, "\n");
2990 }
2991 
2993 {
2994  AVBPrint pbuf;
2996 
2998  print_str("version", FFMPEG_VERSION);
2999  print_fmt("copyright", "Copyright (c) %d-%d the FFmpeg developers",
3000  program_birth_year, CONFIG_THIS_YEAR);
3001  print_str("compiler_ident", CC_IDENT);
3002  print_str("configuration", FFMPEG_CONFIGURATION);
3004 
3005  av_bprint_finalize(&pbuf, NULL);
3006 }
3007 
3008 #define SHOW_LIB_VERSION(libname, LIBNAME) \
3009  do { \
3010  if (CONFIG_##LIBNAME) { \
3011  unsigned int version = libname##_version(); \
3012  writer_print_section_header(w, SECTION_ID_LIBRARY_VERSION); \
3013  print_str("name", "lib" #libname); \
3014  print_int("major", LIB##LIBNAME##_VERSION_MAJOR); \
3015  print_int("minor", LIB##LIBNAME##_VERSION_MINOR); \
3016  print_int("micro", LIB##LIBNAME##_VERSION_MICRO); \
3017  print_int("version", version); \
3018  print_str("ident", LIB##LIBNAME##_IDENT); \
3019  writer_print_section_footer(w); \
3020  } \
3021  } while (0)
3022 
3024 {
3026  SHOW_LIB_VERSION(avutil, AVUTIL);
3027  SHOW_LIB_VERSION(avcodec, AVCODEC);
3028  SHOW_LIB_VERSION(avformat, AVFORMAT);
3029  SHOW_LIB_VERSION(avdevice, AVDEVICE);
3030  SHOW_LIB_VERSION(avfilter, AVFILTER);
3031  SHOW_LIB_VERSION(swscale, SWSCALE);
3032  SHOW_LIB_VERSION(swresample, SWRESAMPLE);
3033  SHOW_LIB_VERSION(postproc, POSTPROC);
3035 }
3036 
3037 #define PRINT_PIX_FMT_FLAG(flagname, name) \
3038  do { \
3039  print_int(name, !!(pixdesc->flags & AV_PIX_FMT_FLAG_##flagname)); \
3040  } while (0)
3041 
3043 {
3044  const AVPixFmtDescriptor *pixdesc = NULL;
3045  int i, n;
3046 
3048  while (pixdesc = av_pix_fmt_desc_next(pixdesc)) {
3050  print_str("name", pixdesc->name);
3051  print_int("nb_components", pixdesc->nb_components);
3052  if ((pixdesc->nb_components >= 3) && !(pixdesc->flags & AV_PIX_FMT_FLAG_RGB)) {
3053  print_int ("log2_chroma_w", pixdesc->log2_chroma_w);
3054  print_int ("log2_chroma_h", pixdesc->log2_chroma_h);
3055  } else {
3056  print_str_opt("log2_chroma_w", "N/A");
3057  print_str_opt("log2_chroma_h", "N/A");
3058  }
3059  n = av_get_bits_per_pixel(pixdesc);
3060  if (n) print_int ("bits_per_pixel", n);
3061  else print_str_opt("bits_per_pixel", "N/A");
3064  PRINT_PIX_FMT_FLAG(BE, "big_endian");
3065  PRINT_PIX_FMT_FLAG(PAL, "palette");
3066  PRINT_PIX_FMT_FLAG(BITSTREAM, "bitstream");
3067  PRINT_PIX_FMT_FLAG(HWACCEL, "hwaccel");
3068  PRINT_PIX_FMT_FLAG(PLANAR, "planar");
3069  PRINT_PIX_FMT_FLAG(RGB, "rgb");
3070  PRINT_PIX_FMT_FLAG(PSEUDOPAL, "pseudopal");
3071  PRINT_PIX_FMT_FLAG(ALPHA, "alpha");
3073  }
3074  if (do_show_pixel_format_components && (pixdesc->nb_components > 0)) {
3076  for (i = 0; i < pixdesc->nb_components; i++) {
3078  print_int("index", i + 1);
3079  print_int("bit_depth", pixdesc->comp[i].depth);
3081  }
3083  }
3085  }
3087 }
3088 
3089 static int opt_format(void *optctx, const char *opt, const char *arg)
3090 {
3091  iformat = av_find_input_format(arg);
3092  if (!iformat) {
3093  av_log(NULL, AV_LOG_ERROR, "Unknown input format: %s\n", arg);
3094  return AVERROR(EINVAL);
3095  }
3096  return 0;
3097 }
3098 
3099 static inline void mark_section_show_entries(SectionID section_id,
3100  int show_all_entries, AVDictionary *entries)
3101 {
3102  struct section *section = &sections[section_id];
3103 
3105  if (show_all_entries) {
3106  SectionID *id;
3107  for (id = section->children_ids; *id != -1; id++)
3108  mark_section_show_entries(*id, show_all_entries, entries);
3109  } else {
3110  av_dict_copy(&section->entries_to_show, entries, 0);
3111  }
3112 }
3113 
3114 static int match_section(const char *section_name,
3115  int show_all_entries, AVDictionary *entries)
3116 {
3117  int i, ret = 0;
3118 
3119  for (i = 0; i < FF_ARRAY_ELEMS(sections); i++) {
3120  const struct section *section = &sections[i];
3121  if (!strcmp(section_name, section->name) ||
3122  (section->unique_name && !strcmp(section_name, section->unique_name))) {
3124  "'%s' matches section with unique name '%s'\n", section_name,
3125  (char *)av_x_if_null(section->unique_name, section->name));
3126  ret++;
3127  mark_section_show_entries(section->id, show_all_entries, entries);
3128  }
3129  }
3130  return ret;
3131 }
3132 
3133 static int opt_show_entries(void *optctx, const char *opt, const char *arg)
3134 {
3135  const char *p = arg;
3136  int ret = 0;
3137 
3138  while (*p) {
3139  AVDictionary *entries = NULL;
3140  char *section_name = av_get_token(&p, "=:");
3141  int show_all_entries = 0;
3142 
3143  if (!section_name) {
3145  "Missing section name for option '%s'\n", opt);
3146  return AVERROR(EINVAL);
3147  }
3148 
3149  if (*p == '=') {
3150  p++;
3151  while (*p && *p != ':') {
3152  char *entry = av_get_token(&p, ",:");
3153  if (!entry)
3154  break;
3156  "Adding '%s' to the entries to show in section '%s'\n",
3157  entry, section_name);
3158  av_dict_set(&entries, entry, "", AV_DICT_DONT_STRDUP_KEY);
3159  if (*p == ',')
3160  p++;
3161  }
3162  } else {
3163  show_all_entries = 1;
3164  }
3165 
3166  ret = match_section(section_name, show_all_entries, entries);
3167  if (ret == 0) {
3168  av_log(NULL, AV_LOG_ERROR, "No match for section '%s'\n", section_name);
3169  ret = AVERROR(EINVAL);
3170  }
3171  av_dict_free(&entries);
3172  av_free(section_name);
3173 
3174  if (ret <= 0)
3175  break;
3176  if (*p)
3177  p++;
3178  }
3179 
3180  return ret;
3181 }
3182 
3183 static int opt_show_format_entry(void *optctx, const char *opt, const char *arg)
3184 {
3185  char *buf = av_asprintf("format=%s", arg);
3186  int ret;
3187 
3188  if (!buf)
3189  return AVERROR(ENOMEM);
3190 
3192  "Option '%s' is deprecated, use '-show_entries format=%s' instead\n",
3193  opt, arg);
3194  ret = opt_show_entries(optctx, opt, buf);
3195  av_free(buf);
3196  return ret;
3197 }
3198 
3199 static void opt_input_file(void *optctx, const char *arg)
3200 {
3201  if (input_filename) {
3203  "Argument '%s' provided as input filename, but '%s' was already specified.\n",
3204  arg, input_filename);
3205  exit_program(1);
3206  }
3207  if (!strcmp(arg, "-"))
3208  arg = "pipe:";
3209  input_filename = arg;
3210 }
3211 
3212 static int opt_input_file_i(void *optctx, const char *opt, const char *arg)
3213 {
3214  opt_input_file(optctx, arg);
3215  return 0;
3216 }
3217 
3218 void show_help_default(const char *opt, const char *arg)
3219 {
3221  show_usage();
3222  show_help_options(options, "Main options:", 0, 0, 0);
3223  printf("\n");
3224 
3227 }
3228 
3229 /**
3230  * Parse interval specification, according to the format:
3231  * INTERVAL ::= [START|+START_OFFSET][%[END|+END_OFFSET]]
3232  * INTERVALS ::= INTERVAL[,INTERVALS]
3233 */
3234 static int parse_read_interval(const char *interval_spec,
3235  ReadInterval *interval)
3236 {
3237  int ret = 0;
3238  char *next, *p, *spec = av_strdup(interval_spec);
3239  if (!spec)
3240  return AVERROR(ENOMEM);
3241 
3242  if (!*spec) {
3243  av_log(NULL, AV_LOG_ERROR, "Invalid empty interval specification\n");
3244  ret = AVERROR(EINVAL);
3245  goto end;
3246  }
3247 
3248  p = spec;
3249  next = strchr(spec, '%');
3250  if (next)
3251  *next++ = 0;
3252 
3253  /* parse first part */
3254  if (*p) {
3255  interval->has_start = 1;
3256 
3257  if (*p == '+') {
3258  interval->start_is_offset = 1;
3259  p++;
3260  } else {
3261  interval->start_is_offset = 0;
3262  }
3263 
3264  ret = av_parse_time(&interval->start, p, 1);
3265  if (ret < 0) {
3266  av_log(NULL, AV_LOG_ERROR, "Invalid interval start specification '%s'\n", p);
3267  goto end;
3268  }
3269  } else {
3270  interval->has_start = 0;
3271  }
3272 
3273  /* parse second part */
3274  p = next;
3275  if (p && *p) {
3276  int64_t us;
3277  interval->has_end = 1;
3278 
3279  if (*p == '+') {
3280  interval->end_is_offset = 1;
3281  p++;
3282  } else {
3283  interval->end_is_offset = 0;
3284  }
3285 
3286  if (interval->end_is_offset && *p == '#') {
3287  long long int lli;
3288  char *tail;
3289  interval->duration_frames = 1;
3290  p++;
3291  lli = strtoll(p, &tail, 10);
3292  if (*tail || lli < 0) {
3294  "Invalid or negative value '%s' for duration number of frames\n", p);
3295  goto end;
3296  }
3297  interval->end = lli;
3298  } else {
3299  ret = av_parse_time(&us, p, 1);
3300  if (ret < 0) {
3301  av_log(NULL, AV_LOG_ERROR, "Invalid interval end/duration specification '%s'\n", p);
3302  goto end;
3303  }
3304  interval->end = us;
3305  }
3306  } else {
3307  interval->has_end = 0;
3308  }
3309 
3310 end:
3311  av_free(spec);
3312  return ret;
3313 }
3314 
3315 static int parse_read_intervals(const char *intervals_spec)
3316 {
3317  int ret, n, i;
3318  char *p, *spec = av_strdup(intervals_spec);
3319  if (!spec)
3320  return AVERROR(ENOMEM);
3321 
3322  /* preparse specification, get number of intervals */
3323  for (n = 0, p = spec; *p; p++)
3324  if (*p == ',')
3325  n++;
3326  n++;
3327 
3328  read_intervals = av_malloc_array(n, sizeof(*read_intervals));
3329  if (!read_intervals) {
3330  ret = AVERROR(ENOMEM);
3331  goto end;
3332  }
3333  read_intervals_nb = n;
3334 
3335  /* parse intervals */
3336  p = spec;
3337  for (i = 0; p; i++) {
3338  char *next;
3339 
3341  next = strchr(p, ',');
3342  if (next)
3343  *next++ = 0;
3344 
3345  read_intervals[i].id = i;
3346  ret = parse_read_interval(p, &read_intervals[i]);
3347  if (ret < 0) {
3348  av_log(NULL, AV_LOG_ERROR, "Error parsing read interval #%d '%s'\n",
3349  i, p);
3350  goto end;
3351  }
3352  av_log(NULL, AV_LOG_VERBOSE, "Parsed log interval ");
3353  log_read_interval(&read_intervals[i], NULL, AV_LOG_VERBOSE);
3354  p = next;
3355  }
3357 
3358 end:
3359  av_free(spec);
3360  return ret;
3361 }
3362 
3363 static int opt_read_intervals(void *optctx, const char *opt, const char *arg)
3364 {
3365  return parse_read_intervals(arg);
3366 }
3367 
3368 static int opt_pretty(void *optctx, const char *opt, const char *arg)
3369 {
3370  show_value_unit = 1;
3371  use_value_prefix = 1;
3374  return 0;
3375 }
3376 
3377 static void print_section(SectionID id, int level)
3378 {
3379  const SectionID *pid;
3380  const struct section *section = &sections[id];
3381  printf("%c%c%c",
3382  section->flags & SECTION_FLAG_IS_WRAPPER ? 'W' : '.',
3383  section->flags & SECTION_FLAG_IS_ARRAY ? 'A' : '.',
3384  section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS ? 'V' : '.');
3385  printf("%*c %s", level * 4, ' ', section->name);
3386  if (section->unique_name)
3387  printf("/%s", section->unique_name);
3388  printf("\n");
3389 
3390  for (pid = section->children_ids; *pid != -1; pid++)
3391  print_section(*pid, level+1);
3392 }
3393 
3394 static int opt_sections(void *optctx, const char *opt, const char *arg)
3395 {
3396  printf("Sections:\n"
3397  "W.. = Section is a wrapper (contains other sections, no local entries)\n"
3398  ".A. = Section contains an array of elements of the same type\n"
3399  "..V = Section may contain a variable number of fields with variable keys\n"
3400  "FLAGS NAME/UNIQUE_NAME\n"
3401  "---\n");
3403  return 0;
3404 }
3405 
3406 static int opt_show_versions(const char *opt, const char *arg)
3407 {
3410  return 0;
3411 }
3412 
3413 #define DEFINE_OPT_SHOW_SECTION(section, target_section_id) \
3414  static int opt_show_##section(const char *opt, const char *arg) \
3415  { \
3416  mark_section_show_entries(SECTION_ID_##target_section_id, 1, NULL); \
3417  return 0; \
3418  }
3419 
3420 DEFINE_OPT_SHOW_SECTION(chapters, CHAPTERS)
3424 DEFINE_OPT_SHOW_SECTION(library_versions, LIBRARY_VERSIONS)
3425 DEFINE_OPT_SHOW_SECTION(packets, PACKETS)
3426 DEFINE_OPT_SHOW_SECTION(pixel_formats, PIXEL_FORMATS)
3427 DEFINE_OPT_SHOW_SECTION(program_version, PROGRAM_VERSION)
3428 DEFINE_OPT_SHOW_SECTION(streams, STREAMS)
3429 DEFINE_OPT_SHOW_SECTION(programs, PROGRAMS)
3430 
3431 static const OptionDef real_options[] = {
3433  { "f", HAS_ARG, {.func_arg = opt_format}, "force format", "format" },
3434  { "unit", OPT_BOOL, {&show_value_unit}, "show unit of the displayed values" },
3435  { "prefix", OPT_BOOL, {&use_value_prefix}, "use SI prefixes for the displayed values" },
3436  { "byte_binary_prefix", OPT_BOOL, {&use_byte_value_binary_prefix},
3437  "use binary prefixes for byte units" },
3438  { "sexagesimal", OPT_BOOL, {&use_value_sexagesimal_format},
3439  "use sexagesimal format HOURS:MM:SS.MICROSECONDS for time units" },
3440  { "pretty", 0, {.func_arg = opt_pretty},
3441  "prettify the format of displayed values, make it more human readable" },
3442  { "print_format", OPT_STRING | HAS_ARG, {(void*)&print_format},
3443  "set the output printing format (available formats are: default, compact, csv, flat, ini, json, xml)", "format" },
3444  { "of", OPT_STRING | HAS_ARG, {(void*)&print_format}, "alias for -print_format", "format" },
3445  { "select_streams", OPT_STRING | HAS_ARG, {(void*)&stream_specifier}, "select the specified streams", "stream_specifier" },
3446  { "sections", OPT_EXIT, {.func_arg = opt_sections}, "print sections structure and section information, and exit" },
3447  { "show_data", OPT_BOOL, {(void*)&do_show_data}, "show packets data" },
3448  { "show_data_hash", OPT_STRING | HAS_ARG, {(void*)&show_data_hash}, "show packets data hash" },
3449  { "show_error", 0, {(void*)&opt_show_error}, "show probing error" },
3450  { "show_format", 0, {(void*)&opt_show_format}, "show format/container info" },
3451  { "show_frames", 0, {(void*)&opt_show_frames}, "show frames info" },
3452  { "show_format_entry", HAS_ARG, {.func_arg = opt_show_format_entry},
3453  "show a particular entry from the format/container info", "entry" },
3454  { "show_entries", HAS_ARG, {.func_arg = opt_show_entries},
3455  "show a set of specified entries", "entry_list" },
3456 #if HAVE_THREADS
3457  { "show_log", OPT_INT|HAS_ARG, {(void*)&do_show_log}, "show log" },
3458 #endif
3459  { "show_packets", 0, {(void*)&opt_show_packets}, "show packets info" },
3460  { "show_programs", 0, {(void*)&opt_show_programs}, "show programs info" },
3461  { "show_streams", 0, {(void*)&opt_show_streams}, "show streams info" },
3462  { "show_chapters", 0, {(void*)&opt_show_chapters}, "show chapters info" },
3463  { "count_frames", OPT_BOOL, {(void*)&do_count_frames}, "count the number of frames per stream" },
3464  { "count_packets", OPT_BOOL, {(void*)&do_count_packets}, "count the number of packets per stream" },
3465  { "show_program_version", 0, {(void*)&opt_show_program_version}, "show ffprobe version" },
3466  { "show_library_versions", 0, {(void*)&opt_show_library_versions}, "show library versions" },
3467  { "show_versions", 0, {(void*)&opt_show_versions}, "show program and library versions" },
3468  { "show_pixel_formats", 0, {(void*)&opt_show_pixel_formats}, "show pixel format descriptions" },
3469  { "show_private_data", OPT_BOOL, {(void*)&show_private_data}, "show private data" },
3470  { "private", OPT_BOOL, {(void*)&show_private_data}, "same as show_private_data" },
3471  { "bitexact", OPT_BOOL, {&do_bitexact}, "force bitexact output" },
3472  { "read_intervals", HAS_ARG, {.func_arg = opt_read_intervals}, "set read intervals", "read_intervals" },
3473  { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {.func_arg = opt_default}, "generic catch all option", "" },
3474  { "i", HAS_ARG, {.func_arg = opt_input_file_i}, "read specified file", "input_file"},
3475  { NULL, },
3476 };
3477 
3478 static inline int check_section_show_entries(int section_id)
3479 {
3480  int *id;
3481  struct section *section = &sections[section_id];
3482  if (sections[section_id].show_all_entries || sections[section_id].entries_to_show)
3483  return 1;
3484  for (id = section->children_ids; *id != -1; id++)
3485  if (check_section_show_entries(*id))
3486  return 1;
3487  return 0;
3488 }
3489 
3490 #define SET_DO_SHOW(id, varname) do { \
3491  if (check_section_show_entries(SECTION_ID_##id)) \
3492  do_show_##varname = 1; \
3493  } while (0)
3494 
3495 int main(int argc, char **argv)
3496 {
3497  const Writer *w;
3498  WriterContext *wctx;
3499  char *buf;
3500  char *w_name = NULL, *w_args = NULL;
3501  int ret, i;
3502 
3503  init_dynload();
3504 
3505 #if HAVE_THREADS
3506  ret = pthread_mutex_init(&log_mutex, NULL);
3507  if (ret != 0) {
3508  goto end;
3509  }
3510 #endif
3513 
3514  options = real_options;
3515  parse_loglevel(argc, argv, options);
3516  av_register_all();
3518  init_opts();
3519 #if CONFIG_AVDEVICE
3521 #endif
3522 
3523  show_banner(argc, argv, options);
3524  parse_options(NULL, argc, argv, options, opt_input_file);
3525 
3526  if (do_show_log)
3528 
3529  /* mark things to show, based on -show_entries */
3530  SET_DO_SHOW(CHAPTERS, chapters);
3531  SET_DO_SHOW(ERROR, error);
3532  SET_DO_SHOW(FORMAT, format);
3533  SET_DO_SHOW(FRAMES, frames);
3534  SET_DO_SHOW(LIBRARY_VERSIONS, library_versions);
3535  SET_DO_SHOW(PACKETS, packets);
3536  SET_DO_SHOW(PIXEL_FORMATS, pixel_formats);
3537  SET_DO_SHOW(PIXEL_FORMAT_FLAGS, pixel_format_flags);
3538  SET_DO_SHOW(PIXEL_FORMAT_COMPONENTS, pixel_format_components);
3539  SET_DO_SHOW(PROGRAM_VERSION, program_version);
3540  SET_DO_SHOW(PROGRAMS, programs);
3541  SET_DO_SHOW(STREAMS, streams);
3542  SET_DO_SHOW(STREAM_DISPOSITION, stream_disposition);
3543  SET_DO_SHOW(PROGRAM_STREAM_DISPOSITION, stream_disposition);
3544 
3545  SET_DO_SHOW(CHAPTER_TAGS, chapter_tags);
3546  SET_DO_SHOW(FORMAT_TAGS, format_tags);
3547  SET_DO_SHOW(FRAME_TAGS, frame_tags);
3548  SET_DO_SHOW(PROGRAM_TAGS, program_tags);
3549  SET_DO_SHOW(STREAM_TAGS, stream_tags);
3550  SET_DO_SHOW(PROGRAM_STREAM_TAGS, stream_tags);
3551  SET_DO_SHOW(PACKET_TAGS, packet_tags);
3552 
3555  "-bitexact and -show_program_version or -show_library_versions "
3556  "options are incompatible\n");
3557  ret = AVERROR(EINVAL);
3558  goto end;
3559  }
3560 
3562 
3563  if (!print_format)
3564  print_format = av_strdup("default");
3565  if (!print_format) {
3566  ret = AVERROR(ENOMEM);
3567  goto end;
3568  }
3569  w_name = av_strtok(print_format, "=", &buf);
3570  if (!w_name) {
3572  "No name specified for the output format\n");
3573  ret = AVERROR(EINVAL);
3574  goto end;
3575  }
3576  w_args = buf;
3577 
3578  if (show_data_hash) {
3579  if ((ret = av_hash_alloc(&hash, show_data_hash)) < 0) {
3580  if (ret == AVERROR(EINVAL)) {
3581  const char *n;
3583  "Unknown hash algorithm '%s'\nKnown algorithms:",
3584  show_data_hash);
3585  for (i = 0; (n = av_hash_names(i)); i++)
3586  av_log(NULL, AV_LOG_ERROR, " %s", n);
3587  av_log(NULL, AV_LOG_ERROR, "\n");
3588  }
3589  goto end;
3590  }
3591  }
3592 
3593  w = writer_get_by_name(w_name);
3594  if (!w) {
3595  av_log(NULL, AV_LOG_ERROR, "Unknown output format with name '%s'\n", w_name);
3596  ret = AVERROR(EINVAL);
3597  goto end;
3598  }
3599 
3600  if ((ret = writer_open(&wctx, w, w_args,
3601  sections, FF_ARRAY_ELEMS(sections))) >= 0) {
3602  if (w == &xml_writer)
3604 
3606 
3613 
3614  if (!input_filename &&
3617  show_usage();
3618  av_log(NULL, AV_LOG_ERROR, "You have to specify one input file.\n");
3619  av_log(NULL, AV_LOG_ERROR, "Use -h to get full help or, even better, run 'man %s'.\n", program_name);
3620  ret = AVERROR(EINVAL);
3621  } else if (input_filename) {
3622  ret = probe_file(wctx, input_filename);
3623  if (ret < 0 && do_show_error)
3624  show_error(wctx, ret);
3625  }
3626 
3628  writer_close(&wctx);
3629  }
3630 
3631 end:
3633  av_freep(&read_intervals);
3634  av_hash_freep(&hash);
3635 
3636  uninit_opts();
3637  for (i = 0; i < FF_ARRAY_ELEMS(sections); i++)
3638  av_dict_free(&(sections[i].entries_to_show));
3639 
3641 
3642  return ret < 0;
3643 }
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:431
codec_id is not known (like AV_CODEC_ID_NONE) but lavf should attempt to identify it ...
Definition: avcodec.h:686
AVClassCategory parent_category
Definition: ffprobe.c:288
enum AVChromaLocation chroma_location
Definition: avcodec.h:4218
const struct section * section[SECTION_MAX_NB_LEVELS]
section per each level
Definition: ffprobe.c:459
#define NULL
Definition: coverity.c:32
const struct AVCodec * codec
Definition: avcodec.h:1754
AVRational framerate
Definition: avcodec.h:3442
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:359
static int do_show_program_tags
Definition: ffprobe.c:108
enum AVFieldOrder field_order
Video only.
Definition: avcodec.h:4209
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:456
enum AVColorTransferCharacteristic color_trc
Definition: avcodec.h:4216
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
Definition: error.h:59
double dec_val
Definition: ffprobe.c:257
static int show_tags(WriterContext *w, AVDictionary *tags, int section_id)
Definition: ffprobe.c:1833
#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:919
static av_always_inline int pthread_mutex_destroy(pthread_mutex_t *mutex)
Definition: os2threads.h:106
double bin_val
Definition: ffprobe.c:256
This structure describes decoded (raw) audio or video data.
Definition: frame.h:194
#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:1584
static void default_print_section_header(WriterContext *wctx)
Definition: ffprobe.c:945
unsigned MaxCLL
Max content light level (cd/m^2).
static int writer_register(const Writer *writer)
Definition: ffprobe.c:877
AVOption.
Definition: opt.h:246
ptrdiff_t const GLvoid * data
Definition: opengl_enc.c:101
#define print_ts(k, v)
Definition: ffprobe.c:1812
static int opt_input_file_i(void *optctx, const char *opt, const char *arg)
Definition: ffprobe.c:3212
static int opt_format(void *optctx, const char *opt, const char *arg)
Definition: ffprobe.c:3089
int within_tag
Definition: ffprobe.c:1615
#define SHOW_LIB_VERSION(libname, LIBNAME)
Definition: ffprobe.c:3008
#define OPT_VIDEO
Definition: cmdutils.h:170
int coded_width
Bitstream width / height, may be different from width/height e.g.
Definition: avcodec.h:1947
int64_t pkt_pos
reordered pos from the last AVPacket that has been input into the decoder
Definition: frame.h:466
static void writer_print_rational(WriterContext *wctx, const char *key, AVRational q, char sep)
Definition: ffprobe.c:769
void(* print_string)(WriterContext *wctx, const char *, const char *)
Definition: ffprobe.c:438
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:3183
static const char unit_hertz_str[]
Definition: ffprobe.c:270
#define AV_LOG_WARNING
Something somehow does not look correct.
Definition: log.h:182
const char * sep_str
Definition: ffprobe.c:1225
#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:1690
static const char * xml_escape_str(AVBPrint *dst, const char *src, void *log_ctx)
Definition: ffprobe.c:1662
#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:1539
static void writer_close(WriterContext **wctx)
Definition: ffprobe.c:509
static av_cold int init(AVCodecContext *avctx)
Definition: avrndec.c:35
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:2289
static void writer_print_integer(WriterContext *wctx, const char *key, long long int val)
Definition: ffprobe.c:664
static int do_show_stream_tags
Definition: ffprobe.c:109
static char * ini_escape_str(AVBPrint *dst, const char *src)
Definition: ffprobe.c:1363
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:1477
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:2632
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:4128
AVRational white_point[2]
CIE 1931 xy chromaticity coords of white point.
static const Writer json_writer
Definition: ffprobe.c:1599
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:336
int index
stream index in AVFormatContext
Definition: avformat.h:890
int size
Definition: avcodec.h:1671
static const AVOption writer_options[]
Definition: ffprobe.c:480
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:847
static void log_callback(void *ptr, int level, const char *fmt, va_list vl)
Definition: ffprobe.c:294
static int show_stream(WriterContext *w, AVFormatContext *fmt_ctx, int stream_idx, InputStream *ist, int in_program)
Definition: ffprobe.c:2390
#define print_str_opt(k, v)
Definition: ffprobe.c:1809
void(* print_integer)(WriterContext *wctx, const char *, long long int)
Definition: ffprobe.c:436
static int read_packets(WriterContext *w, InputFile *ifile)
Definition: ffprobe.c:2370
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:150
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:284
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:501
static int do_show_packets
Definition: ffprobe.c:93
unsigned num_rects
Definition: avcodec.h:4108
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:536
void(* uninit)(WriterContext *wctx)
Definition: ffprobe.c:432
static void bprint_bytes(AVBPrint *bp, const uint8_t *ubuf, size_t ubuf_size)
Definition: ffprobe.c:527
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:1561
char * escape_mode_str
Definition: ffprobe.c:1069
static const Writer default_writer
Definition: ffprobe.c:1001
discard all
Definition: avcodec.h:828
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:2055
static const char * json_escape_str(AVBPrint *dst, const char *src, void *log_ctx)
Definition: ffprobe.c:1479
static AVPacket pkt
static void xml_print_section_footer(WriterContext *wctx)
Definition: ffprobe.c:1722
int bits_per_raw_sample
Bits per sample/pixel of internal libavcodec pixel/sample format.
Definition: avcodec.h:3146
static void mark_section_show_entries(SectionID section_id, int show_all_entries, AVDictionary *entries)
Definition: ffprobe.c:3099
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:1082
AVDictionary * metadata
Definition: avformat.h:1310
#define src
Definition: vp8dsp.c:254
static uint64_t * nb_streams_frames
Definition: ffprobe.c:276
int has_nested_elems[SECTION_MAX_NB_LEVELS]
Definition: ffprobe.c:1072
static int validate_string(WriterContext *wctx, char **dstp, const char *src)
Definition: ffprobe.c:675
AVCodec.
Definition: avcodec.h:3721
static int open_input_file(InputFile *ifile, const char *filename)
Definition: ffprobe.c:2772
#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:4120
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:442
enum AVColorSpace color_space
Definition: avcodec.h:4217
static void * writer_child_next(void *obj, void *prev)
Definition: ffprobe.c:493
const char * av_color_space_name(enum AVColorSpace space)
Definition: pixdesc.c:2668
int indent_level
Definition: ffprobe.c:1616
int end_is_offset
Definition: ffprobe.c:126
#define log2(x)
Definition: libm.h:404
static const AVOption default_options[]
Definition: ffprobe.c:925
static av_always_inline int process_frame(WriterContext *w, InputFile *ifile, AVFrame *frame, AVPacket *pkt, int *packet_new)
Definition: ffprobe.c:2178
Mastering display metadata (based on SMPTE-2086:2014).
Definition: avcodec.h:1585
AVRational time_base
This is the fundamental unit of time (in seconds) in terms of which frame timestamps are represented...
Definition: avcodec.h:1882
#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:1070
Format I/O context.
Definition: avformat.h:1349
#define OFFSET(x)
Definition: ffprobe.c:1622
#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:147
static void writer_print_section_header(WriterContext *wctx, int section_id)
Definition: ffprobe.c:623
static void compact_print_section_footer(WriterContext *wctx)
Definition: ffprobe.c:1145
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:463
static void ini_print_section_header(WriterContext *wctx)
Definition: ffprobe.c:1390
#define print_duration_ts(k, v)
Definition: ffprobe.c:1814
#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:274
#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:3363
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:4194
Generic hashing API.
static int do_show_pixel_format_components
Definition: ffprobe.c:102
static int * selected_streams
Definition: ffprobe.c:277
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:2890
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:1272
static void writer_print_time(WriterContext *wctx, const char *key, int64_t ts, const AVRational *time_base, int is_duration)
Definition: ffprobe.c:778
const char * av_color_range_name(enum AVColorRange range)
Definition: pixdesc.c:2650
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:2702
int64_t duration
Duration of this packet in AVStream->time_base units, 0 if unknown.
Definition: avcodec.h:1688
static av_cold int compact_init(WriterContext *wctx)
Definition: ffprobe.c:1093
This side data contains a 3x3 transformation matrix describing an affine transformation that needs to...
Definition: avcodec.h:1471
#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:1115
#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:287
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:3114
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:832
const char * name
Definition: ffprobe.c:139
Structure to hold side data for an AVFrame.
Definition: frame.h:156
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:1461
static void log_read_interval(const ReadInterval *interval, void *log_ctx, int log_level)
Definition: ffprobe.c:2240
static const char * writer_get_name(void *p)
Definition: ffprobe.c:472
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:1670
StringValidation
Definition: ffprobe.c:419
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:135
static int show_program(WriterContext *w, InputFile *ifile, AVProgram *program)
Definition: ffprobe.c:2649
static int flags
Definition: log.c:57
list ifile
Definition: normalize.py:6
uint32_t tag
Definition: movenc.c:1456
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:427
#define AVERROR_EOF
End of file.
Definition: error.h:55
char * context_name
Definition: ffprobe.c:283
#define AV_LOG_VERBOSE
Detailed information.
Definition: log.h:192
int has_end
Definition: ffprobe.c:125
AVDictionary * metadata
metadata.
Definition: frame.h:481
uint8_t * data
Definition: avcodec.h:1614
static int check_section_show_entries(int section_id)
Definition: ffprobe.c:3478
int interlaced_frame
The content of the picture is interlaced.
Definition: frame.h:341
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:3377
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:435
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:3218
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:1017
static void writer_register_all(void)
Definition: ffprobe.c:1783
static void xml_print_str(WriterContext *wctx, const char *key, const char *value)
Definition: ffprobe.c:1741
int children_ids[SECTION_MAX_NB_CHILDREN+1]
list of children section IDS, terminated by -1
Definition: ffprobe.c:146
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:1851
int nb_side_data
Definition: frame.h:407
void * av_realloc_array(void *ptr, size_t nmemb, size_t size)
Definition: mem.c:184
static const char * input_filename
Definition: ffprobe.c:250
unsigned int * stream_index
Definition: avformat.h:1280
static void json_print_section_header(WriterContext *wctx)
Definition: ffprobe.c:1501
AVFrameSideData ** side_data
Definition: frame.h:406
uint64_t channel_layout
Audio only.
Definition: avcodec.h:4230
#define av_log(a,...)
int print_section
Definition: ffprobe.c:1068
static void ffprobe_show_program_version(WriterContext *w)
Definition: ffprobe.c:2992
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:4157
#define AV_PKT_FLAG_KEY
The packet contains a keyframe.
Definition: avcodec.h:1702
AVDictionary * format_opts
Definition: cmdutils.c:72
int hierarchical
Definition: ffprobe.c:1349
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:2264
static int do_show_chapters
Definition: ffprobe.c:89
char * string_validation_replacement
Definition: ffprobe.c:468
double d
Definition: ffprobe.c:355
libswresample public header
static int opt_show_versions(const char *opt, const char *arg)
Definition: ffprobe.c:3406
const char * av_chroma_location_name(enum AVChromaLocation location)
Definition: pixdesc.c:2674
Content light level needed by to transmit HDR over HDMI (CTA-861.3).
static const char unit_byte_str[]
Definition: ffprobe.c:271
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:453
int width
Definition: frame.h:252
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:176
AVDictionary * entries_to_show
Definition: ffprobe.c:149
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:1618
#define print_int(k, v)
Definition: ffprobe.c:1806
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:3199
static int opt_pretty(void *optctx, const char *opt, const char *arg)
Definition: ffprobe.c:3368
BYTE * dstp
Definition: avisynth_c.h:813
#define AVERROR(e)
Definition: error.h:43
#define SET_DO_SHOW(id, varname)
Definition: ffprobe.c:3490
int priv_size
private size for the writer context
Definition: ffprobe.c:428
#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:1624
Display matrix.
enum AVColorPrimaries color_primaries
Definition: avcodec.h:4215
void av_bprint_init(AVBPrint *buf, unsigned size_init, unsigned size_max)
Definition: bprint.c:69
int video_delay
Video only.
Definition: avcodec.h:4223
#define SECTION_FLAG_HAS_VARIABLE_FIELDS
the section may contain a variable number of fields with variable keys.
Definition: ffprobe.c:143
int avcodec_receive_frame(AVCodecContext *avctx, AVFrame *frame)
Return decoded output data from a decoder.
Definition: decode.c:798
const char * r
Definition: vf_curves.c:111
#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:4124
const char * arg
Definition: jacosubdec.c:66
int nested_section[SECTION_MAX_NB_LEVELS]
Definition: ffprobe.c:1071
AVChapter ** chapters
Definition: avformat.h:1557
#define print_q(k, v, s)
Definition: ffprobe.c:1807
static void default_print_int(WriterContext *wctx, const char *key, long long int value)
Definition: ffprobe.c:992
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:1469
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:1616
#define JSON_INDENT()
Definition: ffprobe.c:1499
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:1682
static int show_log(WriterContext *w, int section_ids, int section_id, int log_level)
Definition: ffprobe.c:1942
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:1321
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:138
const char * long_name
A more descriptive name for this codec.
Definition: avcodec.h:713
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:2857
static int parse_read_intervals(const char *intervals_spec)
Definition: ffprobe.c:3315
#define fail()
Definition: checkasm.h:95
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:899
int program_num
Definition: avformat.h:1284
const char * unit
Definition: ffprobe.c:356
int flags
A combination of AV_PKT_FLAG values.
Definition: avcodec.h:1676
const char * av_color_primaries_name(enum AVColorPrimaries primaries)
Definition: pixdesc.c:2656
const AVCodecDescriptor * avcodec_descriptor_get(enum AVCodecID id)
Definition: codec_desc.c:3107
void * priv
private data for use by the filter
Definition: ffprobe.c:448
int extradata_size
Size of the extradata content in bytes.
Definition: avcodec.h:4146
uint32_t end_display_time
Definition: avcodec.h:4107
char * name
name of this writer instance
Definition: ffprobe.c:447
int64_t pts
Same as packet pts, in AV_TIME_BASE.
Definition: avcodec.h:4110
uint64_t channel_layout
Channel layout of the audio data.
Definition: frame.h:372
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:141
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:804
static int show_format(WriterContext *w, InputFile *ifile)
Definition: ffprobe.c:2727
int refs
number of reference frames
Definition: avcodec.h:2426
AVClassCategory category
Definition: ffprobe.c:286
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:460
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:499
#define print_section_footer(s)
Definition: ffprobe.c:1823
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:1040
enum AVPictureType pict_type
Picture type of the frame.
Definition: frame.h:277
char filename[1024]
input or output filename
Definition: avformat.h:1425
static const char unit_bit_per_second_str[]
Definition: ffprobe.c:272
Spherical video.
static const Writer * registered_writers[MAX_REGISTERED_WRITERS_NB+1]
Definition: ffprobe.c:875
#define AV_UTF8_FLAG_EXCLUDE_XML_INVALID_CONTROL_CODES
exclude control codes not accepted by XML
Definition: avstring.h:359
#define FFMIN(a, b)
Definition: common.h:96
const char * av_hash_names(int i)
Get the names of available hash algorithms.
Definition: hash.c:84
int display_picture_number
picture number in display order
Definition: frame.h:312
static struct section sections[]
Definition: ffprobe.c:199
void av_log_set_callback(void(*callback)(void *, int, const char *, va_list))
Set the logging callback.
Definition: log.c:406
AVCodecContext * avcodec_alloc_context3(const AVCodec *codec)
Allocate an AVCodecContext and set its fields to default values.
Definition: options.c:157
#define AV_OPT_SEARCH_CHILDREN
Search in possible children of the given object first.
Definition: opt.h:557
AVRational min_luminance
Min luminance of mastering display (cd/m^2).
static int do_read_frames
Definition: ffprobe.c:87
#define PRINT_PIX_FMT_FLAG(flagname, name)
Definition: ffprobe.c:3037
typedef void(APIENTRY *FF_PFNGLACTIVETEXTUREPROC)(GLenum texture)
GLsizei GLboolean const GLfloat * value
Definition: opengl_enc.c:109
#define print_fmt(k, f,...)
Definition: ffprobe.c:1800
#define FF_PROFILE_UNKNOWN
Definition: avcodec.h:3249
int string_validation
Definition: ffprobe.c:467
This side data should be associated with a video stream and corresponds to the AVSphericalMapping str...
Definition: avcodec.h:1591
static void ffprobe_show_pixel_formats(WriterContext *w)
Definition: ffprobe.c:3042
static void show_usage(void)
Definition: ffprobe.c:2985
#define av_err2str(errnum)
Convenience macro, the return value should be used only directly in function arguments but never stan...
Definition: error.h:119
int32_t
AVFormatContext * ctx
Definition: movenc.c:48
char sep
Definition: