FFmpeg
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
ffprobe.c
Go to the documentation of this file.
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"
38 #include "libavutil/opt.h"
39 #include "libavutil/pixdesc.h"
40 #include "libavutil/dict.h"
41 #include "libavutil/intreadwrite.h"
42 #include "libavutil/libm.h"
43 #include "libavutil/parseutils.h"
44 #include "libavutil/timecode.h"
45 #include "libavutil/timestamp.h"
46 #include "libavdevice/avdevice.h"
47 #include "libswscale/swscale.h"
48 #include "libswresample/swresample.h"
49 #include "libpostproc/postprocess.h"
50 #include "cmdutils.h"
51 
52 const char program_name[] = "ffprobe";
53 const int program_birth_year = 2007;
54 
55 static int do_bitexact = 0;
56 static int do_count_frames = 0;
57 static int do_count_packets = 0;
58 static int do_read_frames = 0;
59 static int do_read_packets = 0;
60 static int do_show_chapters = 0;
61 static int do_show_error = 0;
62 static int do_show_format = 0;
63 static int do_show_frames = 0;
64 static int do_show_packets = 0;
65 static int do_show_programs = 0;
66 static int do_show_streams = 0;
67 static int do_show_stream_disposition = 0;
68 static int do_show_data = 0;
69 static int do_show_program_version = 0;
70 static int do_show_library_versions = 0;
71 static int do_show_pixel_formats = 0;
72 static int do_show_pixel_format_flags = 0;
73 static int do_show_pixel_format_components = 0;
74 
75 static int do_show_chapter_tags = 0;
76 static int do_show_format_tags = 0;
77 static int do_show_frame_tags = 0;
78 static int do_show_program_tags = 0;
79 static int do_show_stream_tags = 0;
80 
81 static int show_value_unit = 0;
82 static int use_value_prefix = 0;
83 static int use_byte_value_binary_prefix = 0;
84 static int use_value_sexagesimal_format = 0;
85 static int show_private_data = 1;
86 
87 static char *print_format;
88 static char *stream_specifier;
89 static char *show_data_hash;
90 
91 typedef struct ReadInterval {
92  int id; ///< identifier
93  int64_t start, end; ///< start, end in second/AV_TIME_BASE units
94  int has_start, has_end;
95  int start_is_offset, end_is_offset;
96  int duration_frames;
97 } ReadInterval;
98 
99 static ReadInterval *read_intervals;
100 static int read_intervals_nb = 0;
101 
102 /* section structure definition */
103 
104 #define SECTION_MAX_NB_CHILDREN 10
105 
106 struct section {
107  int id; ///< unique id identifying a section
108  const char *name;
109 
110 #define SECTION_FLAG_IS_WRAPPER 1 ///< the section only contains other sections, but has no data at its own level
111 #define SECTION_FLAG_IS_ARRAY 2 ///< the section contains an array of elements of the same type
112 #define SECTION_FLAG_HAS_VARIABLE_FIELDS 4 ///< the section may contain a variable number of fields with variable keys.
113  /// For these sections the element_name field is mandatory.
114  int flags;
115  int children_ids[SECTION_MAX_NB_CHILDREN+1]; ///< list of children section IDS, terminated by -1
116  const char *element_name; ///< name of the contained element, if provided
117  const char *unique_name; ///< unique section name, in case the name is ambiguous
118  AVDictionary *entries_to_show;
119  int show_all_entries;
120 };
121 
122 typedef enum {
123  SECTION_ID_NONE = -1,
124  SECTION_ID_CHAPTER,
125  SECTION_ID_CHAPTER_TAGS,
126  SECTION_ID_CHAPTERS,
127  SECTION_ID_ERROR,
128  SECTION_ID_FORMAT,
129  SECTION_ID_FORMAT_TAGS,
130  SECTION_ID_FRAME,
131  SECTION_ID_FRAMES,
132  SECTION_ID_FRAME_TAGS,
133  SECTION_ID_FRAME_SIDE_DATA_LIST,
134  SECTION_ID_FRAME_SIDE_DATA,
135  SECTION_ID_LIBRARY_VERSION,
136  SECTION_ID_LIBRARY_VERSIONS,
137  SECTION_ID_PACKET,
138  SECTION_ID_PACKETS,
139  SECTION_ID_PACKETS_AND_FRAMES,
140  SECTION_ID_PACKET_SIDE_DATA_LIST,
141  SECTION_ID_PACKET_SIDE_DATA,
142  SECTION_ID_PIXEL_FORMAT,
143  SECTION_ID_PIXEL_FORMAT_FLAGS,
144  SECTION_ID_PIXEL_FORMAT_COMPONENT,
145  SECTION_ID_PIXEL_FORMAT_COMPONENTS,
146  SECTION_ID_PIXEL_FORMATS,
147  SECTION_ID_PROGRAM_STREAM_DISPOSITION,
148  SECTION_ID_PROGRAM_STREAM_TAGS,
149  SECTION_ID_PROGRAM,
150  SECTION_ID_PROGRAM_STREAMS,
151  SECTION_ID_PROGRAM_STREAM,
152  SECTION_ID_PROGRAM_TAGS,
153  SECTION_ID_PROGRAM_VERSION,
154  SECTION_ID_PROGRAMS,
155  SECTION_ID_ROOT,
156  SECTION_ID_STREAM,
157  SECTION_ID_STREAM_DISPOSITION,
158  SECTION_ID_STREAMS,
159  SECTION_ID_STREAM_TAGS,
160  SECTION_ID_STREAM_SIDE_DATA_LIST,
161  SECTION_ID_STREAM_SIDE_DATA,
162  SECTION_ID_SUBTITLE,
163 } SectionID;
164 
165 static struct section sections[] = {
166  [SECTION_ID_CHAPTERS] = { SECTION_ID_CHAPTERS, "chapters", SECTION_FLAG_IS_ARRAY, { SECTION_ID_CHAPTER, -1 } },
167  [SECTION_ID_CHAPTER] = { SECTION_ID_CHAPTER, "chapter", 0, { SECTION_ID_CHAPTER_TAGS, -1 } },
168  [SECTION_ID_CHAPTER_TAGS] = { SECTION_ID_CHAPTER_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "chapter_tags" },
169  [SECTION_ID_ERROR] = { SECTION_ID_ERROR, "error", 0, { -1 } },
170  [SECTION_ID_FORMAT] = { SECTION_ID_FORMAT, "format", 0, { SECTION_ID_FORMAT_TAGS, -1 } },
171  [SECTION_ID_FORMAT_TAGS] = { SECTION_ID_FORMAT_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "format_tags" },
172  [SECTION_ID_FRAMES] = { SECTION_ID_FRAMES, "frames", SECTION_FLAG_IS_ARRAY, { SECTION_ID_FRAME, SECTION_ID_SUBTITLE, -1 } },
173  [SECTION_ID_FRAME] = { SECTION_ID_FRAME, "frame", 0, { SECTION_ID_FRAME_TAGS, SECTION_ID_FRAME_SIDE_DATA_LIST, -1 } },
174  [SECTION_ID_FRAME_TAGS] = { SECTION_ID_FRAME_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "frame_tags" },
175  [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 } },
176  [SECTION_ID_FRAME_SIDE_DATA] = { SECTION_ID_FRAME_SIDE_DATA, "side_data", 0, { -1 } },
177  [SECTION_ID_LIBRARY_VERSIONS] = { SECTION_ID_LIBRARY_VERSIONS, "library_versions", SECTION_FLAG_IS_ARRAY, { SECTION_ID_LIBRARY_VERSION, -1 } },
178  [SECTION_ID_LIBRARY_VERSION] = { SECTION_ID_LIBRARY_VERSION, "library_version", 0, { -1 } },
179  [SECTION_ID_PACKETS] = { SECTION_ID_PACKETS, "packets", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PACKET, -1} },
180  [SECTION_ID_PACKETS_AND_FRAMES] = { SECTION_ID_PACKETS_AND_FRAMES, "packets_and_frames", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PACKET, -1} },
181  [SECTION_ID_PACKET] = { SECTION_ID_PACKET, "packet", 0, { SECTION_ID_PACKET_SIDE_DATA_LIST, -1 } },
182  [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 } },
183  [SECTION_ID_PACKET_SIDE_DATA] = { SECTION_ID_PACKET_SIDE_DATA, "side_data", 0, { -1 } },
184  [SECTION_ID_PIXEL_FORMATS] = { SECTION_ID_PIXEL_FORMATS, "pixel_formats", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PIXEL_FORMAT, -1 } },
185  [SECTION_ID_PIXEL_FORMAT] = { SECTION_ID_PIXEL_FORMAT, "pixel_format", 0, { SECTION_ID_PIXEL_FORMAT_FLAGS, SECTION_ID_PIXEL_FORMAT_COMPONENTS, -1 } },
186  [SECTION_ID_PIXEL_FORMAT_FLAGS] = { SECTION_ID_PIXEL_FORMAT_FLAGS, "flags", 0, { -1 }, .unique_name = "pixel_format_flags" },
187  [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" },
188  [SECTION_ID_PIXEL_FORMAT_COMPONENT] = { SECTION_ID_PIXEL_FORMAT_COMPONENT, "component", 0, { -1 } },
189  [SECTION_ID_PROGRAM_STREAM_DISPOSITION] = { SECTION_ID_PROGRAM_STREAM_DISPOSITION, "disposition", 0, { -1 }, .unique_name = "program_stream_disposition" },
190  [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" },
191  [SECTION_ID_PROGRAM] = { SECTION_ID_PROGRAM, "program", 0, { SECTION_ID_PROGRAM_TAGS, SECTION_ID_PROGRAM_STREAMS, -1 } },
192  [SECTION_ID_PROGRAM_STREAMS] = { SECTION_ID_PROGRAM_STREAMS, "streams", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PROGRAM_STREAM, -1 }, .unique_name = "program_streams" },
193  [SECTION_ID_PROGRAM_STREAM] = { SECTION_ID_PROGRAM_STREAM, "stream", 0, { SECTION_ID_PROGRAM_STREAM_DISPOSITION, SECTION_ID_PROGRAM_STREAM_TAGS, -1 }, .unique_name = "program_stream" },
194  [SECTION_ID_PROGRAM_TAGS] = { SECTION_ID_PROGRAM_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "program_tags" },
195  [SECTION_ID_PROGRAM_VERSION] = { SECTION_ID_PROGRAM_VERSION, "program_version", 0, { -1 } },
196  [SECTION_ID_PROGRAMS] = { SECTION_ID_PROGRAMS, "programs", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PROGRAM, -1 } },
197  [SECTION_ID_ROOT] = { SECTION_ID_ROOT, "root", SECTION_FLAG_IS_WRAPPER,
198  { SECTION_ID_CHAPTERS, SECTION_ID_FORMAT, SECTION_ID_FRAMES, SECTION_ID_PROGRAMS, SECTION_ID_STREAMS,
199  SECTION_ID_PACKETS, SECTION_ID_ERROR, SECTION_ID_PROGRAM_VERSION, SECTION_ID_LIBRARY_VERSIONS,
200  SECTION_ID_PIXEL_FORMATS, -1} },
201  [SECTION_ID_STREAMS] = { SECTION_ID_STREAMS, "streams", SECTION_FLAG_IS_ARRAY, { SECTION_ID_STREAM, -1 } },
202  [SECTION_ID_STREAM] = { SECTION_ID_STREAM, "stream", 0, { SECTION_ID_STREAM_DISPOSITION, SECTION_ID_STREAM_TAGS, SECTION_ID_STREAM_SIDE_DATA_LIST, -1 } },
203  [SECTION_ID_STREAM_DISPOSITION] = { SECTION_ID_STREAM_DISPOSITION, "disposition", 0, { -1 }, .unique_name = "stream_disposition" },
204  [SECTION_ID_STREAM_TAGS] = { SECTION_ID_STREAM_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "stream_tags" },
205  [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 } },
206  [SECTION_ID_STREAM_SIDE_DATA] = { SECTION_ID_STREAM_SIDE_DATA, "side_data", 0, { -1 } },
207  [SECTION_ID_SUBTITLE] = { SECTION_ID_SUBTITLE, "subtitle", 0, { -1 } },
208 };
209 
210 static const OptionDef *options;
211 
212 /* FFprobe context */
213 static const char *input_filename;
214 static AVInputFormat *iformat = NULL;
215 
216 static struct AVHashContext *hash;
217 
218 static const char *const binary_unit_prefixes [] = { "", "Ki", "Mi", "Gi", "Ti", "Pi" };
219 static const char *const decimal_unit_prefixes[] = { "", "K" , "M" , "G" , "T" , "P" };
220 
221 static const char unit_second_str[] = "s" ;
222 static const char unit_hertz_str[] = "Hz" ;
223 static const char unit_byte_str[] = "byte" ;
224 static const char unit_bit_per_second_str[] = "bit/s";
225 
226 static int nb_streams;
227 static uint64_t *nb_streams_packets;
228 static uint64_t *nb_streams_frames;
229 static int *selected_streams;
230 
231 static void ffprobe_cleanup(int ret)
232 {
233  int i;
234  for (i = 0; i < FF_ARRAY_ELEMS(sections); i++)
235  av_dict_free(&(sections[i].entries_to_show));
236 }
237 
238 struct unit_value {
239  union { double d; long long int i; } val;
240  const char *unit;
241 };
242 
243 static char *value_string(char *buf, int buf_size, struct unit_value uv)
244 {
245  double vald;
246  long long int vali;
247  int show_float = 0;
248 
249  if (uv.unit == unit_second_str) {
250  vald = uv.val.d;
251  show_float = 1;
252  } else {
253  vald = vali = uv.val.i;
254  }
255 
256  if (uv.unit == unit_second_str && use_value_sexagesimal_format) {
257  double secs;
258  int hours, mins;
259  secs = vald;
260  mins = (int)secs / 60;
261  secs = secs - mins * 60;
262  hours = mins / 60;
263  mins %= 60;
264  snprintf(buf, buf_size, "%d:%02d:%09.6f", hours, mins, secs);
265  } else {
266  const char *prefix_string = "";
267 
268  if (use_value_prefix && vald > 1) {
269  long long int index;
270 
271  if (uv.unit == unit_byte_str && use_byte_value_binary_prefix) {
272  index = (long long int) (log2(vald)) / 10;
273  index = av_clip(index, 0, FF_ARRAY_ELEMS(binary_unit_prefixes) - 1);
274  vald /= exp2(index * 10);
275  prefix_string = binary_unit_prefixes[index];
276  } else {
277  index = (long long int) (log10(vald)) / 3;
278  index = av_clip(index, 0, FF_ARRAY_ELEMS(decimal_unit_prefixes) - 1);
279  vald /= pow(10, index * 3);
280  prefix_string = decimal_unit_prefixes[index];
281  }
282  vali = vald;
283  }
284 
285  if (show_float || (use_value_prefix && vald != (long long int)vald))
286  snprintf(buf, buf_size, "%f", vald);
287  else
288  snprintf(buf, buf_size, "%lld", vali);
289  av_strlcatf(buf, buf_size, "%s%s%s", *prefix_string || show_value_unit ? " " : "",
290  prefix_string, show_value_unit ? uv.unit : "");
291  }
292 
293  return buf;
294 }
295 
296 /* WRITERS API */
297 
298 typedef struct WriterContext WriterContext;
299 
300 #define WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS 1
301 #define WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER 2
302 
303 typedef enum {
304  WRITER_STRING_VALIDATION_FAIL,
305  WRITER_STRING_VALIDATION_REPLACE,
306  WRITER_STRING_VALIDATION_IGNORE,
307  WRITER_STRING_VALIDATION_NB
308 } StringValidation;
309 
310 typedef struct Writer {
311  const AVClass *priv_class; ///< private class of the writer, if any
312  int priv_size; ///< private size for the writer context
313  const char *name;
314 
315  int (*init) (WriterContext *wctx);
316  void (*uninit)(WriterContext *wctx);
317 
318  void (*print_section_header)(WriterContext *wctx);
319  void (*print_section_footer)(WriterContext *wctx);
320  void (*print_integer) (WriterContext *wctx, const char *, long long int);
321  void (*print_rational) (WriterContext *wctx, AVRational *q, char *sep);
322  void (*print_string) (WriterContext *wctx, const char *, const char *);
323  int flags; ///< a combination or WRITER_FLAG_*
324 } Writer;
325 
326 #define SECTION_MAX_NB_LEVELS 10
327 
328 struct WriterContext {
329  const AVClass *class; ///< class of the writer
330  const Writer *writer; ///< the Writer of which this is an instance
331  char *name; ///< name of this writer instance
332  void *priv; ///< private data for use by the filter
333 
334  const struct section *sections; ///< array containing all sections
335  int nb_sections; ///< number of sections
336 
337  int level; ///< current level, starting from 0
338 
339  /** number of the item printed in the given section, starting from 0 */
340  unsigned int nb_item[SECTION_MAX_NB_LEVELS];
341 
342  /** section per each level */
343  const struct section *section[SECTION_MAX_NB_LEVELS];
344  AVBPrint section_pbuf[SECTION_MAX_NB_LEVELS]; ///< generic print buffer dedicated to each section,
345  /// used by various writers
346 
347  unsigned int nb_section_packet; ///< number of the packet section in case we are in "packets_and_frames" section
348  unsigned int nb_section_frame; ///< number of the frame section in case we are in "packets_and_frames" section
349  unsigned int nb_section_packet_frame; ///< nb_section_packet or nb_section_frame according if is_packets_and_frames
350 
351  int string_validation;
352  char *string_validation_replacement;
353  unsigned int string_validation_utf8_flags;
354 };
355 
356 static const char *writer_get_name(void *p)
357 {
358  WriterContext *wctx = p;
359  return wctx->writer->name;
360 }
361 
362 #define OFFSET(x) offsetof(WriterContext, x)
363 
364 static const AVOption writer_options[] = {
365  { "string_validation", "set string validation mode",
366  OFFSET(string_validation), AV_OPT_TYPE_INT, {.i64=WRITER_STRING_VALIDATION_REPLACE}, 0, WRITER_STRING_VALIDATION_NB-1, .unit = "sv" },
367  { "sv", "set string validation mode",
368  OFFSET(string_validation), AV_OPT_TYPE_INT, {.i64=WRITER_STRING_VALIDATION_REPLACE}, 0, WRITER_STRING_VALIDATION_NB-1, .unit = "sv" },
369  { "ignore", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = WRITER_STRING_VALIDATION_IGNORE}, .unit = "sv" },
370  { "replace", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = WRITER_STRING_VALIDATION_REPLACE}, .unit = "sv" },
371  { "fail", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = WRITER_STRING_VALIDATION_FAIL}, .unit = "sv" },
372  { "string_validation_replacement", "set string validation replacement string", OFFSET(string_validation_replacement), AV_OPT_TYPE_STRING, {.str=""}},
373  { "svr", "set string validation replacement string", OFFSET(string_validation_replacement), AV_OPT_TYPE_STRING, {.str="\xEF\xBF\xBD"}},
374  { NULL }
375 };
376 
377 static void *writer_child_next(void *obj, void *prev)
378 {
379  WriterContext *ctx = obj;
380  if (!prev && ctx->writer && ctx->writer->priv_class && ctx->priv)
381  return ctx->priv;
382  return NULL;
383 }
384 
385 static const AVClass writer_class = {
386  .class_name = "Writer",
387  .item_name = writer_get_name,
388  .option = writer_options,
389  .version = LIBAVUTIL_VERSION_INT,
390  .child_next = writer_child_next,
391 };
392 
393 static void writer_close(WriterContext **wctx)
394 {
395  int i;
396 
397  if (!*wctx)
398  return;
399 
400  if ((*wctx)->writer->uninit)
401  (*wctx)->writer->uninit(*wctx);
402  for (i = 0; i < SECTION_MAX_NB_LEVELS; i++)
403  av_bprint_finalize(&(*wctx)->section_pbuf[i], NULL);
404  if ((*wctx)->writer->priv_class)
405  av_opt_free((*wctx)->priv);
406  av_freep(&((*wctx)->priv));
407  av_opt_free(*wctx);
408  av_freep(wctx);
409 }
410 
411 static void bprint_bytes(AVBPrint *bp, const uint8_t *ubuf, size_t ubuf_size)
412 {
413  int i;
414  av_bprintf(bp, "0X");
415  for (i = 0; i < ubuf_size; i++)
416  av_bprintf(bp, "%02X", ubuf[i]);
417 }
418 
419 
420 static int writer_open(WriterContext **wctx, const Writer *writer, const char *args,
421  const struct section *sections, int nb_sections)
422 {
423  int i, ret = 0;
424 
425  if (!(*wctx = av_mallocz(sizeof(WriterContext)))) {
426  ret = AVERROR(ENOMEM);
427  goto fail;
428  }
429 
430  if (!((*wctx)->priv = av_mallocz(writer->priv_size))) {
431  ret = AVERROR(ENOMEM);
432  goto fail;
433  }
434 
435  (*wctx)->class = &writer_class;
436  (*wctx)->writer = writer;
437  (*wctx)->level = -1;
438  (*wctx)->sections = sections;
439  (*wctx)->nb_sections = nb_sections;
440 
441  av_opt_set_defaults(*wctx);
442 
443  if (writer->priv_class) {
444  void *priv_ctx = (*wctx)->priv;
445  *((const AVClass **)priv_ctx) = writer->priv_class;
446  av_opt_set_defaults(priv_ctx);
447  }
448 
449  /* convert options to dictionary */
450  if (args) {
451  AVDictionary *opts = NULL;
452  AVDictionaryEntry *opt = NULL;
453 
454  if ((ret = av_dict_parse_string(&opts, args, "=", ":", 0)) < 0) {
455  av_log(*wctx, AV_LOG_ERROR, "Failed to parse option string '%s' provided to writer context\n", args);
456  av_dict_free(&opts);
457  goto fail;
458  }
459 
460  while ((opt = av_dict_get(opts, "", opt, AV_DICT_IGNORE_SUFFIX))) {
461  if ((ret = av_opt_set(*wctx, opt->key, opt->value, AV_OPT_SEARCH_CHILDREN)) < 0) {
462  av_log(*wctx, AV_LOG_ERROR, "Failed to set option '%s' with value '%s' provided to writer context\n",
463  opt->key, opt->value);
464  av_dict_free(&opts);
465  goto fail;
466  }
467  }
468 
469  av_dict_free(&opts);
470  }
471 
472  /* validate replace string */
473  {
474  const uint8_t *p = (*wctx)->string_validation_replacement;
475  const uint8_t *endp = p + strlen(p);
476  while (*p) {
477  const uint8_t *p0 = p;
478  int32_t code;
479  ret = av_utf8_decode(&code, &p, endp, (*wctx)->string_validation_utf8_flags);
480  if (ret < 0) {
481  AVBPrint bp;
482  av_bprint_init(&bp, 0, AV_BPRINT_SIZE_AUTOMATIC);
483  bprint_bytes(&bp, p0, p-p0),
484  av_log(wctx, AV_LOG_ERROR,
485  "Invalid UTF8 sequence %s found in string validation replace '%s'\n",
486  bp.str, (*wctx)->string_validation_replacement);
487  return ret;
488  }
489  }
490  }
491 
492  for (i = 0; i < SECTION_MAX_NB_LEVELS; i++)
493  av_bprint_init(&(*wctx)->section_pbuf[i], 1, AV_BPRINT_SIZE_UNLIMITED);
494 
495  if ((*wctx)->writer->init)
496  ret = (*wctx)->writer->init(*wctx);
497  if (ret < 0)
498  goto fail;
499 
500  return 0;
501 
502 fail:
503  writer_close(wctx);
504  return ret;
505 }
506 
507 static inline void writer_print_section_header(WriterContext *wctx,
508  int section_id)
509 {
510  int parent_section_id;
511  wctx->level++;
512  av_assert0(wctx->level < SECTION_MAX_NB_LEVELS);
513  parent_section_id = wctx->level ?
514  (wctx->section[wctx->level-1])->id : SECTION_ID_NONE;
515 
516  wctx->nb_item[wctx->level] = 0;
517  wctx->section[wctx->level] = &wctx->sections[section_id];
518 
519  if (section_id == SECTION_ID_PACKETS_AND_FRAMES) {
520  wctx->nb_section_packet = wctx->nb_section_frame =
521  wctx->nb_section_packet_frame = 0;
522  } else if (parent_section_id == SECTION_ID_PACKETS_AND_FRAMES) {
523  wctx->nb_section_packet_frame = section_id == SECTION_ID_PACKET ?
524  wctx->nb_section_packet : wctx->nb_section_frame;
525  }
526 
527  if (wctx->writer->print_section_header)
528  wctx->writer->print_section_header(wctx);
529 }
530 
531 static inline void writer_print_section_footer(WriterContext *wctx)
532 {
533  int section_id = wctx->section[wctx->level]->id;
534  int parent_section_id = wctx->level ?
535  wctx->section[wctx->level-1]->id : SECTION_ID_NONE;
536 
537  if (parent_section_id != SECTION_ID_NONE)
538  wctx->nb_item[wctx->level-1]++;
539  if (parent_section_id == SECTION_ID_PACKETS_AND_FRAMES) {
540  if (section_id == SECTION_ID_PACKET) wctx->nb_section_packet++;
541  else wctx->nb_section_frame++;
542  }
543  if (wctx->writer->print_section_footer)
544  wctx->writer->print_section_footer(wctx);
545  wctx->level--;
546 }
547 
548 static inline void writer_print_integer(WriterContext *wctx,
549  const char *key, long long int val)
550 {
551  const struct section *section = wctx->section[wctx->level];
552 
553  if (section->show_all_entries || av_dict_get(section->entries_to_show, key, NULL, 0)) {
554  wctx->writer->print_integer(wctx, key, val);
555  wctx->nb_item[wctx->level]++;
556  }
557 }
558 
559 static inline int validate_string(WriterContext *wctx, char **dstp, const char *src)
560 {
561  const uint8_t *p, *endp;
562  AVBPrint dstbuf;
563  int invalid_chars_nb = 0, ret = 0;
564 
565  av_bprint_init(&dstbuf, 0, AV_BPRINT_SIZE_UNLIMITED);
566 
567  endp = src + strlen(src);
568  for (p = (uint8_t *)src; *p;) {
569  uint32_t code;
570  int invalid = 0;
571  const uint8_t *p0 = p;
572 
573  if (av_utf8_decode(&code, &p, endp, wctx->string_validation_utf8_flags) < 0) {
574  AVBPrint bp;
575  av_bprint_init(&bp, 0, AV_BPRINT_SIZE_AUTOMATIC);
576  bprint_bytes(&bp, p0, p-p0);
577  av_log(wctx, AV_LOG_DEBUG,
578  "Invalid UTF-8 sequence %s found in string '%s'\n", bp.str, src);
579  invalid = 1;
580  }
581 
582  if (invalid) {
583  invalid_chars_nb++;
584 
585  switch (wctx->string_validation) {
586  case WRITER_STRING_VALIDATION_FAIL:
587  av_log(wctx, AV_LOG_ERROR,
588  "Invalid UTF-8 sequence found in string '%s'\n", src);
589  ret = AVERROR_INVALIDDATA;
590  goto end;
591  break;
592 
593  case WRITER_STRING_VALIDATION_REPLACE:
594  av_bprintf(&dstbuf, "%s", wctx->string_validation_replacement);
595  break;
596  }
597  }
598 
599  if (!invalid || wctx->string_validation == WRITER_STRING_VALIDATION_IGNORE)
600  av_bprint_append_data(&dstbuf, p0, p-p0);
601  }
602 
603  if (invalid_chars_nb && wctx->string_validation == WRITER_STRING_VALIDATION_REPLACE) {
604  av_log(wctx, AV_LOG_WARNING,
605  "%d invalid UTF-8 sequence(s) found in string '%s', replaced with '%s'\n",
606  invalid_chars_nb, src, wctx->string_validation_replacement);
607  }
608 
609 end:
610  av_bprint_finalize(&dstbuf, dstp);
611  return ret;
612 }
613 
614 #define PRINT_STRING_OPT 1
615 #define PRINT_STRING_VALIDATE 2
616 
617 static inline int writer_print_string(WriterContext *wctx,
618  const char *key, const char *val, int flags)
619 {
620  const struct section *section = wctx->section[wctx->level];
621  int ret = 0;
622 
623  if ((flags & PRINT_STRING_OPT)
624  && !(wctx->writer->flags & WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS))
625  return 0;
626 
627  if (section->show_all_entries || av_dict_get(section->entries_to_show, key, NULL, 0)) {
628  if (flags & PRINT_STRING_VALIDATE) {
629  char *key1 = NULL, *val1 = NULL;
630  ret = validate_string(wctx, &key1, key);
631  if (ret < 0) goto end;
632  ret = validate_string(wctx, &val1, val);
633  if (ret < 0) goto end;
634  wctx->writer->print_string(wctx, key1, val1);
635  end:
636  if (ret < 0) {
637  av_log(wctx, AV_LOG_ERROR,
638  "Invalid key=value string combination %s=%s in section %s\n",
639  key, val, section->unique_name);
640  }
641  av_free(key1);
642  av_free(val1);
643  } else {
644  wctx->writer->print_string(wctx, key, val);
645  }
646 
647  wctx->nb_item[wctx->level]++;
648  }
649 
650  return ret;
651 }
652 
653 static inline void writer_print_rational(WriterContext *wctx,
654  const char *key, AVRational q, char sep)
655 {
656  AVBPrint buf;
657  av_bprint_init(&buf, 0, AV_BPRINT_SIZE_AUTOMATIC);
658  av_bprintf(&buf, "%d%c%d", q.num, sep, q.den);
659  writer_print_string(wctx, key, buf.str, 0);
660 }
661 
662 static void writer_print_time(WriterContext *wctx, const char *key,
663  int64_t ts, const AVRational *time_base, int is_duration)
664 {
665  char buf[128];
666 
667  if ((!is_duration && ts == AV_NOPTS_VALUE) || (is_duration && ts == 0)) {
668  writer_print_string(wctx, key, "N/A", PRINT_STRING_OPT);
669  } else {
670  double d = ts * av_q2d(*time_base);
671  struct unit_value uv;
672  uv.val.d = d;
673  uv.unit = unit_second_str;
674  value_string(buf, sizeof(buf), uv);
675  writer_print_string(wctx, key, buf, 0);
676  }
677 }
678 
679 static void writer_print_ts(WriterContext *wctx, const char *key, int64_t ts, int is_duration)
680 {
681  if ((!is_duration && ts == AV_NOPTS_VALUE) || (is_duration && ts == 0)) {
682  writer_print_string(wctx, key, "N/A", PRINT_STRING_OPT);
683  } else {
684  writer_print_integer(wctx, key, ts);
685  }
686 }
687 
688 static void writer_print_data(WriterContext *wctx, const char *name,
689  uint8_t *data, int size)
690 {
691  AVBPrint bp;
692  int offset = 0, l, i;
693 
694  av_bprint_init(&bp, 0, AV_BPRINT_SIZE_UNLIMITED);
695  av_bprintf(&bp, "\n");
696  while (size) {
697  av_bprintf(&bp, "%08x: ", offset);
698  l = FFMIN(size, 16);
699  for (i = 0; i < l; i++) {
700  av_bprintf(&bp, "%02x", data[i]);
701  if (i & 1)
702  av_bprintf(&bp, " ");
703  }
704  av_bprint_chars(&bp, ' ', 41 - 2 * i - i / 2);
705  for (i = 0; i < l; i++)
706  av_bprint_chars(&bp, data[i] - 32U < 95 ? data[i] : '.', 1);
707  av_bprintf(&bp, "\n");
708  offset += l;
709  data += l;
710  size -= l;
711  }
712  writer_print_string(wctx, name, bp.str, 0);
713  av_bprint_finalize(&bp, NULL);
714 }
715 
716 static void writer_print_data_hash(WriterContext *wctx, const char *name,
717  uint8_t *data, int size)
718 {
719  char *p, buf[AV_HASH_MAX_SIZE * 2 + 64] = { 0 };
720 
721  if (!hash)
722  return;
723  av_hash_init(hash);
724  av_hash_update(hash, data, size);
725  snprintf(buf, sizeof(buf), "%s:", av_hash_get_name(hash));
726  p = buf + strlen(buf);
727  av_hash_final_hex(hash, p, buf + sizeof(buf) - p);
728  writer_print_string(wctx, name, buf, 0);
729 }
730 
731 static void writer_print_integers(WriterContext *wctx, const char *name,
732  uint8_t *data, int size, const char *format,
733  int columns, int bytes, int offset_add)
734 {
735  AVBPrint bp;
736  int offset = 0, l, i;
737 
738  av_bprint_init(&bp, 0, AV_BPRINT_SIZE_UNLIMITED);
739  av_bprintf(&bp, "\n");
740  while (size) {
741  av_bprintf(&bp, "%08x: ", offset);
742  l = FFMIN(size, columns);
743  for (i = 0; i < l; i++) {
744  if (bytes == 1) av_bprintf(&bp, format, *data);
745  else if (bytes == 2) av_bprintf(&bp, format, AV_RN16(data));
746  else if (bytes == 4) av_bprintf(&bp, format, AV_RN32(data));
747  data += bytes;
748  size --;
749  }
750  av_bprintf(&bp, "\n");
751  offset += offset_add;
752  }
753  writer_print_string(wctx, name, bp.str, 0);
754  av_bprint_finalize(&bp, NULL);
755 }
756 
757 #define MAX_REGISTERED_WRITERS_NB 64
758 
759 static const Writer *registered_writers[MAX_REGISTERED_WRITERS_NB + 1];
760 
761 static int writer_register(const Writer *writer)
762 {
763  static int next_registered_writer_idx = 0;
764 
765  if (next_registered_writer_idx == MAX_REGISTERED_WRITERS_NB)
766  return AVERROR(ENOMEM);
767 
768  registered_writers[next_registered_writer_idx++] = writer;
769  return 0;
770 }
771 
772 static const Writer *writer_get_by_name(const char *name)
773 {
774  int i;
775 
776  for (i = 0; registered_writers[i]; i++)
777  if (!strcmp(registered_writers[i]->name, name))
778  return registered_writers[i];
779 
780  return NULL;
781 }
782 
783 
784 /* WRITERS */
785 
786 #define DEFINE_WRITER_CLASS(name) \
787 static const char *name##_get_name(void *ctx) \
788 { \
789  return #name ; \
790 } \
791 static const AVClass name##_class = { \
792  .class_name = #name, \
793  .item_name = name##_get_name, \
794  .option = name##_options \
795 }
796 
797 /* Default output */
798 
799 typedef struct DefaultContext {
800  const AVClass *class;
801  int nokey;
802  int noprint_wrappers;
803  int nested_section[SECTION_MAX_NB_LEVELS];
804 } DefaultContext;
805 
806 #undef OFFSET
807 #define OFFSET(x) offsetof(DefaultContext, x)
808 
809 static const AVOption default_options[] = {
810  { "noprint_wrappers", "do not print headers and footers", OFFSET(noprint_wrappers), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
811  { "nw", "do not print headers and footers", OFFSET(noprint_wrappers), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
812  { "nokey", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
813  { "nk", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
814  {NULL},
815 };
816 
817 DEFINE_WRITER_CLASS(default);
818 
819 /* lame uppercasing routine, assumes the string is lower case ASCII */
820 static inline char *upcase_string(char *dst, size_t dst_size, const char *src)
821 {
822  int i;
823  for (i = 0; src[i] && i < dst_size-1; i++)
824  dst[i] = av_toupper(src[i]);
825  dst[i] = 0;
826  return dst;
827 }
828 
829 static void default_print_section_header(WriterContext *wctx)
830 {
831  DefaultContext *def = wctx->priv;
832  char buf[32];
833  const struct section *section = wctx->section[wctx->level];
834  const struct section *parent_section = wctx->level ?
835  wctx->section[wctx->level-1] : NULL;
836 
837  av_bprint_clear(&wctx->section_pbuf[wctx->level]);
838  if (parent_section &&
839  !(parent_section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY))) {
840  def->nested_section[wctx->level] = 1;
841  av_bprintf(&wctx->section_pbuf[wctx->level], "%s%s:",
842  wctx->section_pbuf[wctx->level-1].str,
843  upcase_string(buf, sizeof(buf),
844  av_x_if_null(section->element_name, section->name)));
845  }
846 
847  if (def->noprint_wrappers || def->nested_section[wctx->level])
848  return;
849 
850  if (!(section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY)))
851  printf("[%s]\n", upcase_string(buf, sizeof(buf), section->name));
852 }
853 
854 static void default_print_section_footer(WriterContext *wctx)
855 {
856  DefaultContext *def = wctx->priv;
857  const struct section *section = wctx->section[wctx->level];
858  char buf[32];
859 
860  if (def->noprint_wrappers || def->nested_section[wctx->level])
861  return;
862 
863  if (!(section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY)))
864  printf("[/%s]\n", upcase_string(buf, sizeof(buf), section->name));
865 }
866 
867 static void default_print_str(WriterContext *wctx, const char *key, const char *value)
868 {
869  DefaultContext *def = wctx->priv;
870 
871  if (!def->nokey)
872  printf("%s%s=", wctx->section_pbuf[wctx->level].str, key);
873  printf("%s\n", value);
874 }
875 
876 static void default_print_int(WriterContext *wctx, const char *key, long long int value)
877 {
878  DefaultContext *def = wctx->priv;
879 
880  if (!def->nokey)
881  printf("%s%s=", wctx->section_pbuf[wctx->level].str, key);
882  printf("%lld\n", value);
883 }
884 
885 static const Writer default_writer = {
886  .name = "default",
887  .priv_size = sizeof(DefaultContext),
888  .print_section_header = default_print_section_header,
889  .print_section_footer = default_print_section_footer,
890  .print_integer = default_print_int,
891  .print_string = default_print_str,
892  .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS,
893  .priv_class = &default_class,
894 };
895 
896 /* Compact output */
897 
898 /**
899  * Apply C-language-like string escaping.
900  */
901 static const char *c_escape_str(AVBPrint *dst, const char *src, const char sep, void *log_ctx)
902 {
903  const char *p;
904 
905  for (p = src; *p; p++) {
906  switch (*p) {
907  case '\b': av_bprintf(dst, "%s", "\\b"); break;
908  case '\f': av_bprintf(dst, "%s", "\\f"); break;
909  case '\n': av_bprintf(dst, "%s", "\\n"); break;
910  case '\r': av_bprintf(dst, "%s", "\\r"); break;
911  case '\\': av_bprintf(dst, "%s", "\\\\"); break;
912  default:
913  if (*p == sep)
914  av_bprint_chars(dst, '\\', 1);
915  av_bprint_chars(dst, *p, 1);
916  }
917  }
918  return dst->str;
919 }
920 
921 /**
922  * Quote fields containing special characters, check RFC4180.
923  */
924 static const char *csv_escape_str(AVBPrint *dst, const char *src, const char sep, void *log_ctx)
925 {
926  char meta_chars[] = { sep, '"', '\n', '\r', '\0' };
927  int needs_quoting = !!src[strcspn(src, meta_chars)];
928 
929  if (needs_quoting)
930  av_bprint_chars(dst, '"', 1);
931 
932  for (; *src; src++) {
933  if (*src == '"')
934  av_bprint_chars(dst, '"', 1);
935  av_bprint_chars(dst, *src, 1);
936  }
937  if (needs_quoting)
938  av_bprint_chars(dst, '"', 1);
939  return dst->str;
940 }
941 
942 static const char *none_escape_str(AVBPrint *dst, const char *src, const char sep, void *log_ctx)
943 {
944  return src;
945 }
946 
947 typedef struct CompactContext {
948  const AVClass *class;
949  char *item_sep_str;
950  char item_sep;
951  int nokey;
952  int print_section;
953  char *escape_mode_str;
954  const char * (*escape_str)(AVBPrint *dst, const char *src, const char sep, void *log_ctx);
955  int nested_section[SECTION_MAX_NB_LEVELS];
956  int has_nested_elems[SECTION_MAX_NB_LEVELS];
957  int terminate_line[SECTION_MAX_NB_LEVELS];
958 } CompactContext;
959 
960 #undef OFFSET
961 #define OFFSET(x) offsetof(CompactContext, x)
962 
963 static const AVOption compact_options[]= {
964  {"item_sep", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str="|"}, CHAR_MIN, CHAR_MAX },
965  {"s", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str="|"}, CHAR_MIN, CHAR_MAX },
966  {"nokey", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
967  {"nk", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
968  {"escape", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="c"}, CHAR_MIN, CHAR_MAX },
969  {"e", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="c"}, CHAR_MIN, CHAR_MAX },
970  {"print_section", "print section name", OFFSET(print_section), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
971  {"p", "print section name", OFFSET(print_section), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
972  {NULL},
973 };
974 
975 DEFINE_WRITER_CLASS(compact);
976 
977 static av_cold int compact_init(WriterContext *wctx)
978 {
979  CompactContext *compact = wctx->priv;
980 
981  if (strlen(compact->item_sep_str) != 1) {
982  av_log(wctx, AV_LOG_ERROR, "Item separator '%s' specified, but must contain a single character\n",
983  compact->item_sep_str);
984  return AVERROR(EINVAL);
985  }
986  compact->item_sep = compact->item_sep_str[0];
987 
988  if (!strcmp(compact->escape_mode_str, "none")) compact->escape_str = none_escape_str;
989  else if (!strcmp(compact->escape_mode_str, "c" )) compact->escape_str = c_escape_str;
990  else if (!strcmp(compact->escape_mode_str, "csv" )) compact->escape_str = csv_escape_str;
991  else {
992  av_log(wctx, AV_LOG_ERROR, "Unknown escape mode '%s'\n", compact->escape_mode_str);
993  return AVERROR(EINVAL);
994  }
995 
996  return 0;
997 }
998 
999 static void compact_print_section_header(WriterContext *wctx)
1000 {
1001  CompactContext *compact = wctx->priv;
1002  const struct section *section = wctx->section[wctx->level];
1003  const struct section *parent_section = wctx->level ?
1004  wctx->section[wctx->level-1] : NULL;
1005  compact->terminate_line[wctx->level] = 1;
1006  compact->has_nested_elems[wctx->level] = 0;
1007 
1008  av_bprint_clear(&wctx->section_pbuf[wctx->level]);
1009  if (!(section->flags & SECTION_FLAG_IS_ARRAY) && parent_section &&
1010  !(parent_section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY))) {
1011  compact->nested_section[wctx->level] = 1;
1012  compact->has_nested_elems[wctx->level-1] = 1;
1013  av_bprintf(&wctx->section_pbuf[wctx->level], "%s%s:",
1014  wctx->section_pbuf[wctx->level-1].str,
1015  (char *)av_x_if_null(section->element_name, section->name));
1016  wctx->nb_item[wctx->level] = wctx->nb_item[wctx->level-1];
1017  } else {
1018  if (parent_section && compact->has_nested_elems[wctx->level-1] &&
1019  (section->flags & SECTION_FLAG_IS_ARRAY)) {
1020  compact->terminate_line[wctx->level-1] = 0;
1021  printf("\n");
1022  }
1023  if (compact->print_section &&
1024  !(section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY)))
1025  printf("%s%c", section->name, compact->item_sep);
1026  }
1027 }
1028 
1029 static void compact_print_section_footer(WriterContext *wctx)
1030 {
1031  CompactContext *compact = wctx->priv;
1032 
1033  if (!compact->nested_section[wctx->level] &&
1034  compact->terminate_line[wctx->level] &&
1035  !(wctx->section[wctx->level]->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY)))
1036  printf("\n");
1037 }
1038 
1039 static void compact_print_str(WriterContext *wctx, const char *key, const char *value)
1040 {
1041  CompactContext *compact = wctx->priv;
1042  AVBPrint buf;
1043 
1044  if (wctx->nb_item[wctx->level]) printf("%c", compact->item_sep);
1045  if (!compact->nokey)
1046  printf("%s%s=", wctx->section_pbuf[wctx->level].str, key);
1047  av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1048  printf("%s", compact->escape_str(&buf, value, compact->item_sep, wctx));
1049  av_bprint_finalize(&buf, NULL);
1050 }
1051 
1052 static void compact_print_int(WriterContext *wctx, const char *key, long long int value)
1053 {
1054  CompactContext *compact = wctx->priv;
1055 
1056  if (wctx->nb_item[wctx->level]) printf("%c", compact->item_sep);
1057  if (!compact->nokey)
1058  printf("%s%s=", wctx->section_pbuf[wctx->level].str, key);
1059  printf("%lld", value);
1060 }
1061 
1062 static const Writer compact_writer = {
1063  .name = "compact",
1064  .priv_size = sizeof(CompactContext),
1065  .init = compact_init,
1066  .print_section_header = compact_print_section_header,
1067  .print_section_footer = compact_print_section_footer,
1068  .print_integer = compact_print_int,
1069  .print_string = compact_print_str,
1070  .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS,
1071  .priv_class = &compact_class,
1072 };
1073 
1074 /* CSV output */
1075 
1076 #undef OFFSET
1077 #define OFFSET(x) offsetof(CompactContext, x)
1078 
1079 static const AVOption csv_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_INT, {.i64=1}, 0, 1 },
1083  {"nk", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
1084  {"escape", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="csv"}, CHAR_MIN, CHAR_MAX },
1085  {"e", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="csv"}, CHAR_MIN, CHAR_MAX },
1086  {"print_section", "print section name", OFFSET(print_section), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
1087  {"p", "print section name", OFFSET(print_section), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
1088  {NULL},
1089 };
1090 
1091 DEFINE_WRITER_CLASS(csv);
1092 
1093 static const Writer csv_writer = {
1094  .name = "csv",
1095  .priv_size = sizeof(CompactContext),
1096  .init = compact_init,
1097  .print_section_header = compact_print_section_header,
1098  .print_section_footer = compact_print_section_footer,
1099  .print_integer = compact_print_int,
1100  .print_string = compact_print_str,
1101  .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS,
1102  .priv_class = &csv_class,
1103 };
1104 
1105 /* Flat output */
1106 
1107 typedef struct FlatContext {
1108  const AVClass *class;
1109  const char *sep_str;
1110  char sep;
1111  int hierarchical;
1112 } FlatContext;
1113 
1114 #undef OFFSET
1115 #define OFFSET(x) offsetof(FlatContext, x)
1116 
1117 static const AVOption flat_options[]= {
1118  {"sep_char", "set separator", OFFSET(sep_str), AV_OPT_TYPE_STRING, {.str="."}, CHAR_MIN, CHAR_MAX },
1119  {"s", "set separator", OFFSET(sep_str), AV_OPT_TYPE_STRING, {.str="."}, CHAR_MIN, CHAR_MAX },
1120  {"hierarchical", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
1121  {"h", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
1122  {NULL},
1123 };
1124 
1125 DEFINE_WRITER_CLASS(flat);
1126 
1127 static av_cold int flat_init(WriterContext *wctx)
1128 {
1129  FlatContext *flat = wctx->priv;
1130 
1131  if (strlen(flat->sep_str) != 1) {
1132  av_log(wctx, AV_LOG_ERROR, "Item separator '%s' specified, but must contain a single character\n",
1133  flat->sep_str);
1134  return AVERROR(EINVAL);
1135  }
1136  flat->sep = flat->sep_str[0];
1137 
1138  return 0;
1139 }
1140 
1141 static const char *flat_escape_key_str(AVBPrint *dst, const char *src, const char sep)
1142 {
1143  const char *p;
1144 
1145  for (p = src; *p; p++) {
1146  if (!((*p >= '0' && *p <= '9') ||
1147  (*p >= 'a' && *p <= 'z') ||
1148  (*p >= 'A' && *p <= 'Z')))
1149  av_bprint_chars(dst, '_', 1);
1150  else
1151  av_bprint_chars(dst, *p, 1);
1152  }
1153  return dst->str;
1154 }
1155 
1156 static const char *flat_escape_value_str(AVBPrint *dst, const char *src)
1157 {
1158  const char *p;
1159 
1160  for (p = src; *p; p++) {
1161  switch (*p) {
1162  case '\n': av_bprintf(dst, "%s", "\\n"); break;
1163  case '\r': av_bprintf(dst, "%s", "\\r"); break;
1164  case '\\': av_bprintf(dst, "%s", "\\\\"); break;
1165  case '"': av_bprintf(dst, "%s", "\\\""); break;
1166  case '`': av_bprintf(dst, "%s", "\\`"); break;
1167  case '$': av_bprintf(dst, "%s", "\\$"); break;
1168  default: av_bprint_chars(dst, *p, 1); break;
1169  }
1170  }
1171  return dst->str;
1172 }
1173 
1174 static void flat_print_section_header(WriterContext *wctx)
1175 {
1176  FlatContext *flat = wctx->priv;
1177  AVBPrint *buf = &wctx->section_pbuf[wctx->level];
1178  const struct section *section = wctx->section[wctx->level];
1179  const struct section *parent_section = wctx->level ?
1180  wctx->section[wctx->level-1] : NULL;
1181 
1182  /* build section header */
1183  av_bprint_clear(buf);
1184  if (!parent_section)
1185  return;
1186  av_bprintf(buf, "%s", wctx->section_pbuf[wctx->level-1].str);
1187 
1188  if (flat->hierarchical ||
1189  !(section->flags & (SECTION_FLAG_IS_ARRAY|SECTION_FLAG_IS_WRAPPER))) {
1190  av_bprintf(buf, "%s%s", wctx->section[wctx->level]->name, flat->sep_str);
1191 
1192  if (parent_section->flags & SECTION_FLAG_IS_ARRAY) {
1193  int n = parent_section->id == SECTION_ID_PACKETS_AND_FRAMES ?
1194  wctx->nb_section_packet_frame : wctx->nb_item[wctx->level-1];
1195  av_bprintf(buf, "%d%s", n, flat->sep_str);
1196  }
1197  }
1198 }
1199 
1200 static void flat_print_int(WriterContext *wctx, const char *key, long long int value)
1201 {
1202  printf("%s%s=%lld\n", wctx->section_pbuf[wctx->level].str, key, value);
1203 }
1204 
1205 static void flat_print_str(WriterContext *wctx, const char *key, const char *value)
1206 {
1207  FlatContext *flat = wctx->priv;
1208  AVBPrint buf;
1209 
1210  printf("%s", wctx->section_pbuf[wctx->level].str);
1211  av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1212  printf("%s=", flat_escape_key_str(&buf, key, flat->sep));
1213  av_bprint_clear(&buf);
1214  printf("\"%s\"\n", flat_escape_value_str(&buf, value));
1215  av_bprint_finalize(&buf, NULL);
1216 }
1217 
1218 static const Writer flat_writer = {
1219  .name = "flat",
1220  .priv_size = sizeof(FlatContext),
1221  .init = flat_init,
1222  .print_section_header = flat_print_section_header,
1223  .print_integer = flat_print_int,
1224  .print_string = flat_print_str,
1225  .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS|WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,
1226  .priv_class = &flat_class,
1227 };
1228 
1229 /* INI format output */
1230 
1231 typedef struct INIContext {
1232  const AVClass *class;
1233  int hierarchical;
1234 } INIContext;
1235 
1236 #undef OFFSET
1237 #define OFFSET(x) offsetof(INIContext, x)
1238 
1239 static const AVOption ini_options[] = {
1240  {"hierarchical", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
1241  {"h", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
1242  {NULL},
1243 };
1244 
1245 DEFINE_WRITER_CLASS(ini);
1246 
1247 static char *ini_escape_str(AVBPrint *dst, const char *src)
1248 {
1249  int i = 0;
1250  char c = 0;
1251 
1252  while (c = src[i++]) {
1253  switch (c) {
1254  case '\b': av_bprintf(dst, "%s", "\\b"); break;
1255  case '\f': av_bprintf(dst, "%s", "\\f"); break;
1256  case '\n': av_bprintf(dst, "%s", "\\n"); break;
1257  case '\r': av_bprintf(dst, "%s", "\\r"); break;
1258  case '\t': av_bprintf(dst, "%s", "\\t"); break;
1259  case '\\':
1260  case '#' :
1261  case '=' :
1262  case ':' : av_bprint_chars(dst, '\\', 1);
1263  default:
1264  if ((unsigned char)c < 32)
1265  av_bprintf(dst, "\\x00%02x", c & 0xff);
1266  else
1267  av_bprint_chars(dst, c, 1);
1268  break;
1269  }
1270  }
1271  return dst->str;
1272 }
1273 
1274 static void ini_print_section_header(WriterContext *wctx)
1275 {
1276  INIContext *ini = wctx->priv;
1277  AVBPrint *buf = &wctx->section_pbuf[wctx->level];
1278  const struct section *section = wctx->section[wctx->level];
1279  const struct section *parent_section = wctx->level ?
1280  wctx->section[wctx->level-1] : NULL;
1281 
1282  av_bprint_clear(buf);
1283  if (!parent_section) {
1284  printf("# ffprobe output\n\n");
1285  return;
1286  }
1287 
1288  if (wctx->nb_item[wctx->level-1])
1289  printf("\n");
1290 
1291  av_bprintf(buf, "%s", wctx->section_pbuf[wctx->level-1].str);
1292  if (ini->hierarchical ||
1293  !(section->flags & (SECTION_FLAG_IS_ARRAY|SECTION_FLAG_IS_WRAPPER))) {
1294  av_bprintf(buf, "%s%s", buf->str[0] ? "." : "", wctx->section[wctx->level]->name);
1295 
1296  if (parent_section->flags & SECTION_FLAG_IS_ARRAY) {
1297  int n = parent_section->id == SECTION_ID_PACKETS_AND_FRAMES ?
1298  wctx->nb_section_packet_frame : wctx->nb_item[wctx->level-1];
1299  av_bprintf(buf, ".%d", n);
1300  }
1301  }
1302 
1303  if (!(section->flags & (SECTION_FLAG_IS_ARRAY|SECTION_FLAG_IS_WRAPPER)))
1304  printf("[%s]\n", buf->str);
1305 }
1306 
1307 static void ini_print_str(WriterContext *wctx, const char *key, const char *value)
1308 {
1309  AVBPrint buf;
1310 
1311  av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1312  printf("%s=", ini_escape_str(&buf, key));
1313  av_bprint_clear(&buf);
1314  printf("%s\n", ini_escape_str(&buf, value));
1315  av_bprint_finalize(&buf, NULL);
1316 }
1317 
1318 static void ini_print_int(WriterContext *wctx, const char *key, long long int value)
1319 {
1320  printf("%s=%lld\n", key, value);
1321 }
1322 
1323 static const Writer ini_writer = {
1324  .name = "ini",
1325  .priv_size = sizeof(INIContext),
1326  .print_section_header = ini_print_section_header,
1327  .print_integer = ini_print_int,
1328  .print_string = ini_print_str,
1329  .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS|WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,
1330  .priv_class = &ini_class,
1331 };
1332 
1333 /* JSON output */
1334 
1335 typedef struct JSONContext {
1336  const AVClass *class;
1337  int indent_level;
1338  int compact;
1339  const char *item_sep, *item_start_end;
1340 } JSONContext;
1341 
1342 #undef OFFSET
1343 #define OFFSET(x) offsetof(JSONContext, x)
1344 
1345 static const AVOption json_options[]= {
1346  { "compact", "enable compact output", OFFSET(compact), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
1347  { "c", "enable compact output", OFFSET(compact), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
1348  { NULL }
1349 };
1350 
1351 DEFINE_WRITER_CLASS(json);
1352 
1353 static av_cold int json_init(WriterContext *wctx)
1354 {
1355  JSONContext *json = wctx->priv;
1356 
1357  json->item_sep = json->compact ? ", " : ",\n";
1358  json->item_start_end = json->compact ? " " : "\n";
1359 
1360  return 0;
1361 }
1362 
1363 static const char *json_escape_str(AVBPrint *dst, const char *src, void *log_ctx)
1364 {
1365  static const char json_escape[] = {'"', '\\', '\b', '\f', '\n', '\r', '\t', 0};
1366  static const char json_subst[] = {'"', '\\', 'b', 'f', 'n', 'r', 't', 0};
1367  const char *p;
1368 
1369  for (p = src; *p; p++) {
1370  char *s = strchr(json_escape, *p);
1371  if (s) {
1372  av_bprint_chars(dst, '\\', 1);
1373  av_bprint_chars(dst, json_subst[s - json_escape], 1);
1374  } else if ((unsigned char)*p < 32) {
1375  av_bprintf(dst, "\\u00%02x", *p & 0xff);
1376  } else {
1377  av_bprint_chars(dst, *p, 1);
1378  }
1379  }
1380  return dst->str;
1381 }
1382 
1383 #define JSON_INDENT() printf("%*c", json->indent_level * 4, ' ')
1384 
1385 static void json_print_section_header(WriterContext *wctx)
1386 {
1387  JSONContext *json = wctx->priv;
1388  AVBPrint buf;
1389  const struct section *section = wctx->section[wctx->level];
1390  const struct section *parent_section = wctx->level ?
1391  wctx->section[wctx->level-1] : NULL;
1392 
1393  if (wctx->level && wctx->nb_item[wctx->level-1])
1394  printf(",\n");
1395 
1396  if (section->flags & SECTION_FLAG_IS_WRAPPER) {
1397  printf("{\n");
1398  json->indent_level++;
1399  } else {
1400  av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1401  json_escape_str(&buf, section->name, wctx);
1402  JSON_INDENT();
1403 
1404  json->indent_level++;
1405  if (section->flags & SECTION_FLAG_IS_ARRAY) {
1406  printf("\"%s\": [\n", buf.str);
1407  } else if (parent_section && !(parent_section->flags & SECTION_FLAG_IS_ARRAY)) {
1408  printf("\"%s\": {%s", buf.str, json->item_start_end);
1409  } else {
1410  printf("{%s", json->item_start_end);
1411 
1412  /* this is required so the parser can distinguish between packets and frames */
1413  if (parent_section && parent_section->id == SECTION_ID_PACKETS_AND_FRAMES) {
1414  if (!json->compact)
1415  JSON_INDENT();
1416  printf("\"type\": \"%s\"%s", section->name, json->item_sep);
1417  }
1418  }
1419  av_bprint_finalize(&buf, NULL);
1420  }
1421 }
1422 
1423 static void json_print_section_footer(WriterContext *wctx)
1424 {
1425  JSONContext *json = wctx->priv;
1426  const struct section *section = wctx->section[wctx->level];
1427 
1428  if (wctx->level == 0) {
1429  json->indent_level--;
1430  printf("\n}\n");
1431  } else if (section->flags & SECTION_FLAG_IS_ARRAY) {
1432  printf("\n");
1433  json->indent_level--;
1434  JSON_INDENT();
1435  printf("]");
1436  } else {
1437  printf("%s", json->item_start_end);
1438  json->indent_level--;
1439  if (!json->compact)
1440  JSON_INDENT();
1441  printf("}");
1442  }
1443 }
1444 
1445 static inline void json_print_item_str(WriterContext *wctx,
1446  const char *key, const char *value)
1447 {
1448  AVBPrint buf;
1449 
1450  av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1451  printf("\"%s\":", json_escape_str(&buf, key, wctx));
1452  av_bprint_clear(&buf);
1453  printf(" \"%s\"", json_escape_str(&buf, value, wctx));
1454  av_bprint_finalize(&buf, NULL);
1455 }
1456 
1457 static void json_print_str(WriterContext *wctx, const char *key, const char *value)
1458 {
1459  JSONContext *json = wctx->priv;
1460 
1461  if (wctx->nb_item[wctx->level])
1462  printf("%s", json->item_sep);
1463  if (!json->compact)
1464  JSON_INDENT();
1465  json_print_item_str(wctx, key, value);
1466 }
1467 
1468 static void json_print_int(WriterContext *wctx, const char *key, long long int value)
1469 {
1470  JSONContext *json = wctx->priv;
1471  AVBPrint buf;
1472 
1473  if (wctx->nb_item[wctx->level])
1474  printf("%s", json->item_sep);
1475  if (!json->compact)
1476  JSON_INDENT();
1477 
1478  av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1479  printf("\"%s\": %lld", json_escape_str(&buf, key, wctx), value);
1480  av_bprint_finalize(&buf, NULL);
1481 }
1482 
1483 static const Writer json_writer = {
1484  .name = "json",
1485  .priv_size = sizeof(JSONContext),
1486  .init = json_init,
1487  .print_section_header = json_print_section_header,
1488  .print_section_footer = json_print_section_footer,
1489  .print_integer = json_print_int,
1490  .print_string = json_print_str,
1491  .flags = WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,
1492  .priv_class = &json_class,
1493 };
1494 
1495 /* XML output */
1496 
1497 typedef struct XMLContext {
1498  const AVClass *class;
1499  int within_tag;
1500  int indent_level;
1501  int fully_qualified;
1502  int xsd_strict;
1503 } XMLContext;
1504 
1505 #undef OFFSET
1506 #define OFFSET(x) offsetof(XMLContext, x)
1507 
1508 static const AVOption xml_options[] = {
1509  {"fully_qualified", "specify if the output should be fully qualified", OFFSET(fully_qualified), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
1510  {"q", "specify if the output should be fully qualified", OFFSET(fully_qualified), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
1511  {"xsd_strict", "ensure that the output is XSD compliant", OFFSET(xsd_strict), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
1512  {"x", "ensure that the output is XSD compliant", OFFSET(xsd_strict), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
1513  {NULL},
1514 };
1515 
1516 DEFINE_WRITER_CLASS(xml);
1517 
1518 static av_cold int xml_init(WriterContext *wctx)
1519 {
1520  XMLContext *xml = wctx->priv;
1521 
1522  if (xml->xsd_strict) {
1523  xml->fully_qualified = 1;
1524 #define CHECK_COMPLIANCE(opt, opt_name) \
1525  if (opt) { \
1526  av_log(wctx, AV_LOG_ERROR, \
1527  "XSD-compliant output selected but option '%s' was selected, XML output may be non-compliant.\n" \
1528  "You need to disable such option with '-no%s'\n", opt_name, opt_name); \
1529  return AVERROR(EINVAL); \
1530  }
1531  CHECK_COMPLIANCE(show_private_data, "private");
1532  CHECK_COMPLIANCE(show_value_unit, "unit");
1533  CHECK_COMPLIANCE(use_value_prefix, "prefix");
1534 
1535  if (do_show_frames && do_show_packets) {
1536  av_log(wctx, AV_LOG_ERROR,
1537  "Interleaved frames and packets are not allowed in XSD. "
1538  "Select only one between the -show_frames and the -show_packets options.\n");
1539  return AVERROR(EINVAL);
1540  }
1541  }
1542 
1543  return 0;
1544 }
1545 
1546 static const char *xml_escape_str(AVBPrint *dst, const char *src, void *log_ctx)
1547 {
1548  const char *p;
1549 
1550  for (p = src; *p; p++) {
1551  switch (*p) {
1552  case '&' : av_bprintf(dst, "%s", "&amp;"); break;
1553  case '<' : av_bprintf(dst, "%s", "&lt;"); break;
1554  case '>' : av_bprintf(dst, "%s", "&gt;"); break;
1555  case '"' : av_bprintf(dst, "%s", "&quot;"); break;
1556  case '\'': av_bprintf(dst, "%s", "&apos;"); break;
1557  default: av_bprint_chars(dst, *p, 1);
1558  }
1559  }
1560 
1561  return dst->str;
1562 }
1563 
1564 #define XML_INDENT() printf("%*c", xml->indent_level * 4, ' ')
1565 
1566 static void xml_print_section_header(WriterContext *wctx)
1567 {
1568  XMLContext *xml = wctx->priv;
1569  const struct section *section = wctx->section[wctx->level];
1570  const struct section *parent_section = wctx->level ?
1571  wctx->section[wctx->level-1] : NULL;
1572 
1573  if (wctx->level == 0) {
1574  const char *qual = " xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' "
1575  "xmlns:ffprobe='http://www.ffmpeg.org/schema/ffprobe' "
1576  "xsi:schemaLocation='http://www.ffmpeg.org/schema/ffprobe ffprobe.xsd'";
1577 
1578  printf("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");
1579  printf("<%sffprobe%s>\n",
1580  xml->fully_qualified ? "ffprobe:" : "",
1581  xml->fully_qualified ? qual : "");
1582  return;
1583  }
1584 
1585  if (xml->within_tag) {
1586  xml->within_tag = 0;
1587  printf(">\n");
1588  }
1589  if (section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS) {
1590  xml->indent_level++;
1591  } else {
1592  if (parent_section && (parent_section->flags & SECTION_FLAG_IS_WRAPPER) &&
1593  wctx->level && wctx->nb_item[wctx->level-1])
1594  printf("\n");
1595  xml->indent_level++;
1596 
1597  if (section->flags & SECTION_FLAG_IS_ARRAY) {
1598  XML_INDENT(); printf("<%s>\n", section->name);
1599  } else {
1600  XML_INDENT(); printf("<%s ", section->name);
1601  xml->within_tag = 1;
1602  }
1603  }
1604 }
1605 
1606 static void xml_print_section_footer(WriterContext *wctx)
1607 {
1608  XMLContext *xml = wctx->priv;
1609  const struct section *section = wctx->section[wctx->level];
1610 
1611  if (wctx->level == 0) {
1612  printf("</%sffprobe>\n", xml->fully_qualified ? "ffprobe:" : "");
1613  } else if (xml->within_tag) {
1614  xml->within_tag = 0;
1615  printf("/>\n");
1616  xml->indent_level--;
1617  } else if (section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS) {
1618  xml->indent_level--;
1619  } else {
1620  XML_INDENT(); printf("</%s>\n", section->name);
1621  xml->indent_level--;
1622  }
1623 }
1624 
1625 static void xml_print_str(WriterContext *wctx, const char *key, const char *value)
1626 {
1627  AVBPrint buf;
1628  XMLContext *xml = wctx->priv;
1629  const struct section *section = wctx->section[wctx->level];
1630 
1631  av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1632 
1633  if (section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS) {
1634  XML_INDENT();
1635  printf("<%s key=\"%s\"",
1636  section->element_name, xml_escape_str(&buf, key, wctx));
1637  av_bprint_clear(&buf);
1638  printf(" value=\"%s\"/>\n", xml_escape_str(&buf, value, wctx));
1639  } else {
1640  if (wctx->nb_item[wctx->level])
1641  printf(" ");
1642  printf("%s=\"%s\"", key, xml_escape_str(&buf, value, wctx));
1643  }
1644 
1645  av_bprint_finalize(&buf, NULL);
1646 }
1647 
1648 static void xml_print_int(WriterContext *wctx, const char *key, long long int value)
1649 {
1650  if (wctx->nb_item[wctx->level])
1651  printf(" ");
1652  printf("%s=\"%lld\"", key, value);
1653 }
1654 
1655 static Writer xml_writer = {
1656  .name = "xml",
1657  .priv_size = sizeof(XMLContext),
1658  .init = xml_init,
1659  .print_section_header = xml_print_section_header,
1660  .print_section_footer = xml_print_section_footer,
1661  .print_integer = xml_print_int,
1662  .print_string = xml_print_str,
1663  .flags = WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,
1664  .priv_class = &xml_class,
1665 };
1666 
1667 static void writer_register_all(void)
1668 {
1669  static int initialized;
1670 
1671  if (initialized)
1672  return;
1673  initialized = 1;
1674 
1675  writer_register(&default_writer);
1676  writer_register(&compact_writer);
1677  writer_register(&csv_writer);
1678  writer_register(&flat_writer);
1679  writer_register(&ini_writer);
1680  writer_register(&json_writer);
1681  writer_register(&xml_writer);
1682 }
1683 
1684 #define print_fmt(k, f, ...) do { \
1685  av_bprint_clear(&pbuf); \
1686  av_bprintf(&pbuf, f, __VA_ARGS__); \
1687  writer_print_string(w, k, pbuf.str, 0); \
1688 } while (0)
1689 
1690 #define print_int(k, v) writer_print_integer(w, k, v)
1691 #define print_q(k, v, s) writer_print_rational(w, k, v, s)
1692 #define print_str(k, v) writer_print_string(w, k, v, 0)
1693 #define print_str_opt(k, v) writer_print_string(w, k, v, PRINT_STRING_OPT)
1694 #define print_str_validate(k, v) writer_print_string(w, k, v, PRINT_STRING_VALIDATE)
1695 #define print_time(k, v, tb) writer_print_time(w, k, v, tb, 0)
1696 #define print_ts(k, v) writer_print_ts(w, k, v, 0)
1697 #define print_duration_time(k, v, tb) writer_print_time(w, k, v, tb, 1)
1698 #define print_duration_ts(k, v) writer_print_ts(w, k, v, 1)
1699 #define print_val(k, v, u) do { \
1700  struct unit_value uv; \
1701  uv.val.i = v; \
1702  uv.unit = u; \
1703  writer_print_string(w, k, value_string(val_str, sizeof(val_str), uv), 0); \
1704 } while (0)
1705 
1706 #define print_section_header(s) writer_print_section_header(w, s)
1707 #define print_section_footer(s) writer_print_section_footer(w, s)
1708 
1709 #define REALLOCZ_ARRAY_STREAM(ptr, cur_n, new_n) \
1710 { \
1711  ret = av_reallocp_array(&(ptr), (new_n), sizeof(*(ptr))); \
1712  if (ret < 0) \
1713  goto end; \
1714  memset( (ptr) + (cur_n), 0, ((new_n) - (cur_n)) * sizeof(*(ptr)) ); \
1715 }
1716 
1717 static inline int show_tags(WriterContext *w, AVDictionary *tags, int section_id)
1718 {
1719  AVDictionaryEntry *tag = NULL;
1720  int ret = 0;
1721 
1722  if (!tags)
1723  return 0;
1724  writer_print_section_header(w, section_id);
1725 
1726  while ((tag = av_dict_get(tags, "", tag, AV_DICT_IGNORE_SUFFIX))) {
1727  if ((ret = print_str_validate(tag->key, tag->value)) < 0)
1728  break;
1729  }
1730  writer_print_section_footer(w);
1731 
1732  return ret;
1733 }
1734 
1735 static void show_packet(WriterContext *w, AVFormatContext *fmt_ctx, AVPacket *pkt, int packet_idx)
1736 {
1737  char val_str[128];
1738  AVStream *st = fmt_ctx->streams[pkt->stream_index];
1739  AVBPrint pbuf;
1740  const char *s;
1741 
1742  av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
1743 
1744  writer_print_section_header(w, SECTION_ID_PACKET);
1745 
1746  s = av_get_media_type_string(st->codec->codec_type);
1747  if (s) print_str ("codec_type", s);
1748  else print_str_opt("codec_type", "unknown");
1749  print_int("stream_index", pkt->stream_index);
1750  print_ts ("pts", pkt->pts);
1751  print_time("pts_time", pkt->pts, &st->time_base);
1752  print_ts ("dts", pkt->dts);
1753  print_time("dts_time", pkt->dts, &st->time_base);
1754  print_duration_ts("duration", pkt->duration);
1755  print_duration_time("duration_time", pkt->duration, &st->time_base);
1756  print_duration_ts("convergence_duration", pkt->convergence_duration);
1757  print_duration_time("convergence_duration_time", pkt->convergence_duration, &st->time_base);
1758  print_val("size", pkt->size, unit_byte_str);
1759  if (pkt->pos != -1) print_fmt ("pos", "%"PRId64, pkt->pos);
1760  else print_str_opt("pos", "N/A");
1761  print_fmt("flags", "%c", pkt->flags & AV_PKT_FLAG_KEY ? 'K' : '_');
1762 
1763  if (pkt->side_data_elems) {
1764  int i;
1765  writer_print_section_header(w, SECTION_ID_PACKET_SIDE_DATA_LIST);
1766  for (i = 0; i < pkt->side_data_elems; i++) {
1767  AVPacketSideData *sd = &pkt->side_data[i];
1768  const char *name = av_packet_side_data_name(sd->type);
1769  writer_print_section_header(w, SECTION_ID_PACKET_SIDE_DATA);
1770  print_str("side_data_type", name ? name : "unknown");
1771  print_int("side_data_size", sd->size);
1772  if (sd->type == AV_PKT_DATA_DISPLAYMATRIX && sd->size >= 9*4) {
1773  writer_print_integers(w, "displaymatrix", sd->data, 9, " %11d", 3, 4, 1);
1774  print_int("rotation", av_display_rotation_get((int32_t *)sd->data));
1775  }
1776  writer_print_section_footer(w);
1777  }
1778  writer_print_section_footer(w);
1779  }
1780 
1781  if (do_show_data)
1782  writer_print_data(w, "data", pkt->data, pkt->size);
1783  writer_print_data_hash(w, "data_hash", pkt->data, pkt->size);
1784  writer_print_section_footer(w);
1785 
1786  av_bprint_finalize(&pbuf, NULL);
1787  fflush(stdout);
1788 }
1789 
1790 static void show_subtitle(WriterContext *w, AVSubtitle *sub, AVStream *stream,
1791  AVFormatContext *fmt_ctx)
1792 {
1793  AVBPrint pbuf;
1794 
1795  av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
1796 
1797  writer_print_section_header(w, SECTION_ID_SUBTITLE);
1798 
1799  print_str ("media_type", "subtitle");
1800  print_ts ("pts", sub->pts);
1801  print_time("pts_time", sub->pts, &AV_TIME_BASE_Q);
1802  print_int ("format", sub->format);
1803  print_int ("start_display_time", sub->start_display_time);
1804  print_int ("end_display_time", sub->end_display_time);
1805  print_int ("num_rects", sub->num_rects);
1806 
1807  writer_print_section_footer(w);
1808 
1809  av_bprint_finalize(&pbuf, NULL);
1810  fflush(stdout);
1811 }
1812 
1813 static void show_frame(WriterContext *w, AVFrame *frame, AVStream *stream,
1814  AVFormatContext *fmt_ctx)
1815 {
1816  AVBPrint pbuf;
1817  const char *s;
1818  int i;
1819 
1820  av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
1821 
1822  writer_print_section_header(w, SECTION_ID_FRAME);
1823 
1824  s = av_get_media_type_string(stream->codec->codec_type);
1825  if (s) print_str ("media_type", s);
1826  else print_str_opt("media_type", "unknown");
1827  print_int("stream_index", stream->index);
1828  print_int("key_frame", frame->key_frame);
1829  print_ts ("pkt_pts", frame->pkt_pts);
1830  print_time("pkt_pts_time", frame->pkt_pts, &stream->time_base);
1831  print_ts ("pkt_dts", frame->pkt_dts);
1832  print_time("pkt_dts_time", frame->pkt_dts, &stream->time_base);
1833  print_ts ("best_effort_timestamp", av_frame_get_best_effort_timestamp(frame));
1834  print_time("best_effort_timestamp_time", av_frame_get_best_effort_timestamp(frame), &stream->time_base);
1835  print_duration_ts ("pkt_duration", av_frame_get_pkt_duration(frame));
1836  print_duration_time("pkt_duration_time", av_frame_get_pkt_duration(frame), &stream->time_base);
1837  if (av_frame_get_pkt_pos (frame) != -1) print_fmt ("pkt_pos", "%"PRId64, av_frame_get_pkt_pos(frame));
1838  else print_str_opt("pkt_pos", "N/A");
1839  if (av_frame_get_pkt_size(frame) != -1) print_fmt ("pkt_size", "%d", av_frame_get_pkt_size(frame));
1840  else print_str_opt("pkt_size", "N/A");
1841 
1842  switch (stream->codec->codec_type) {
1843  AVRational sar;
1844 
1845  case AVMEDIA_TYPE_VIDEO:
1846  print_int("width", frame->width);
1847  print_int("height", frame->height);
1848  s = av_get_pix_fmt_name(frame->format);
1849  if (s) print_str ("pix_fmt", s);
1850  else print_str_opt("pix_fmt", "unknown");
1851  sar = av_guess_sample_aspect_ratio(fmt_ctx, stream, frame);
1852  if (sar.num) {
1853  print_q("sample_aspect_ratio", sar, ':');
1854  } else {
1855  print_str_opt("sample_aspect_ratio", "N/A");
1856  }
1857  print_fmt("pict_type", "%c", av_get_picture_type_char(frame->pict_type));
1858  print_int("coded_picture_number", frame->coded_picture_number);
1859  print_int("display_picture_number", frame->display_picture_number);
1860  print_int("interlaced_frame", frame->interlaced_frame);
1861  print_int("top_field_first", frame->top_field_first);
1862  print_int("repeat_pict", frame->repeat_pict);
1863  break;
1864 
1865  case AVMEDIA_TYPE_AUDIO:
1866  s = av_get_sample_fmt_name(frame->format);
1867  if (s) print_str ("sample_fmt", s);
1868  else print_str_opt("sample_fmt", "unknown");
1869  print_int("nb_samples", frame->nb_samples);
1870  print_int("channels", av_frame_get_channels(frame));
1871  if (av_frame_get_channel_layout(frame)) {
1872  av_bprint_clear(&pbuf);
1873  av_bprint_channel_layout(&pbuf, av_frame_get_channels(frame),
1874  av_frame_get_channel_layout(frame));
1875  print_str ("channel_layout", pbuf.str);
1876  } else
1877  print_str_opt("channel_layout", "unknown");
1878  break;
1879  }
1880  if (do_show_frame_tags)
1881  show_tags(w, av_frame_get_metadata(frame), SECTION_ID_FRAME_TAGS);
1882  if (frame->nb_side_data) {
1883  writer_print_section_header(w, SECTION_ID_FRAME_SIDE_DATA_LIST);
1884  for (i = 0; i < frame->nb_side_data; i++) {
1885  AVFrameSideData *sd = frame->side_data[i];
1886  const char *name;
1887 
1888  writer_print_section_header(w, SECTION_ID_FRAME_SIDE_DATA);
1889  name = av_frame_side_data_name(sd->type);
1890  print_str("side_data_type", name ? name : "unknown");
1891  print_int("side_data_size", sd->size);
1892  if (sd->type == AV_FRAME_DATA_DISPLAYMATRIX && sd->size >= 9*4) {
1893  abort();
1894  writer_print_integers(w, "displaymatrix", sd->data, 9, " %11d", 3, 4, 1);
1895  print_int("rotation", av_display_rotation_get((int32_t *)sd->data));
1896  }
1897  writer_print_section_footer(w);
1898  }
1899  writer_print_section_footer(w);
1900  }
1901 
1902  writer_print_section_footer(w);
1903 
1904  av_bprint_finalize(&pbuf, NULL);
1905  fflush(stdout);
1906 }
1907 
1908 static av_always_inline int process_frame(WriterContext *w,
1909  AVFormatContext *fmt_ctx,
1910  AVFrame *frame, AVPacket *pkt)
1911 {
1912  AVCodecContext *dec_ctx = fmt_ctx->streams[pkt->stream_index]->codec;
1913  AVSubtitle sub;
1914  int ret = 0, got_frame = 0;
1915 
1916  if (dec_ctx->codec) {
1917  switch (dec_ctx->codec_type) {
1918  case AVMEDIA_TYPE_VIDEO:
1919  ret = avcodec_decode_video2(dec_ctx, frame, &got_frame, pkt);
1920  break;
1921 
1922  case AVMEDIA_TYPE_AUDIO:
1923  ret = avcodec_decode_audio4(dec_ctx, frame, &got_frame, pkt);
1924  break;
1925 
1926  case AVMEDIA_TYPE_SUBTITLE:
1927  ret = avcodec_decode_subtitle2(dec_ctx, &sub, &got_frame, pkt);
1928  break;
1929  }
1930  }
1931 
1932  if (ret < 0)
1933  return ret;
1934  ret = FFMIN(ret, pkt->size); /* guard against bogus return values */
1935  pkt->data += ret;
1936  pkt->size -= ret;
1937  if (got_frame) {
1938  int is_sub = (dec_ctx->codec_type == AVMEDIA_TYPE_SUBTITLE);
1939  nb_streams_frames[pkt->stream_index]++;
1940  if (do_show_frames)
1941  if (is_sub)
1942  show_subtitle(w, &sub, fmt_ctx->streams[pkt->stream_index], fmt_ctx);
1943  else
1944  show_frame(w, frame, fmt_ctx->streams[pkt->stream_index], fmt_ctx);
1945  if (is_sub)
1946  avsubtitle_free(&sub);
1947  }
1948  return got_frame;
1949 }
1950 
1951 static void log_read_interval(const ReadInterval *interval, void *log_ctx, int log_level)
1952 {
1953  av_log(log_ctx, log_level, "id:%d", interval->id);
1954 
1955  if (interval->has_start) {
1956  av_log(log_ctx, log_level, " start:%s%s", interval->start_is_offset ? "+" : "",
1957  av_ts2timestr(interval->start, &AV_TIME_BASE_Q));
1958  } else {
1959  av_log(log_ctx, log_level, " start:N/A");
1960  }
1961 
1962  if (interval->has_end) {
1963  av_log(log_ctx, log_level, " end:%s", interval->end_is_offset ? "+" : "");
1964  if (interval->duration_frames)
1965  av_log(log_ctx, log_level, "#%"PRId64, interval->end);
1966  else
1967  av_log(log_ctx, log_level, "%s", av_ts2timestr(interval->end, &AV_TIME_BASE_Q));
1968  } else {
1969  av_log(log_ctx, log_level, " end:N/A");
1970  }
1971 
1972  av_log(log_ctx, log_level, "\n");
1973 }
1974 
1975 static int read_interval_packets(WriterContext *w, AVFormatContext *fmt_ctx,
1976  const ReadInterval *interval, int64_t *cur_ts)
1977 {
1978  AVPacket pkt, pkt1;
1979  AVFrame *frame = NULL;
1980  int ret = 0, i = 0, frame_count = 0;
1981  int64_t start = -INT64_MAX, end = interval->end;
1982  int has_start = 0, has_end = interval->has_end && !interval->end_is_offset;
1983 
1984  av_init_packet(&pkt);
1985 
1986  av_log(NULL, AV_LOG_VERBOSE, "Processing read interval ");
1987  log_read_interval(interval, NULL, AV_LOG_VERBOSE);
1988 
1989  if (interval->has_start) {
1990  int64_t target;
1991  if (interval->start_is_offset) {
1992  if (*cur_ts == AV_NOPTS_VALUE) {
1993  av_log(NULL, AV_LOG_ERROR,
1994  "Could not seek to relative position since current "
1995  "timestamp is not defined\n");
1996  ret = AVERROR(EINVAL);
1997  goto end;
1998  }
1999  target = *cur_ts + interval->start;
2000  } else {
2001  target = interval->start;
2002  }
2003 
2004  av_log(NULL, AV_LOG_VERBOSE, "Seeking to read interval start point %s\n",
2005  av_ts2timestr(target, &AV_TIME_BASE_Q));
2006  if ((ret = avformat_seek_file(fmt_ctx, -1, -INT64_MAX, target, INT64_MAX, 0)) < 0) {
2007  av_log(NULL, AV_LOG_ERROR, "Could not seek to position %"PRId64": %s\n",
2008  interval->start, av_err2str(ret));
2009  goto end;
2010  }
2011  }
2012 
2013  frame = av_frame_alloc();
2014  if (!frame) {
2015  ret = AVERROR(ENOMEM);
2016  goto end;
2017  }
2018  while (!av_read_frame(fmt_ctx, &pkt)) {
2019  if (fmt_ctx->nb_streams > nb_streams) {
2020  REALLOCZ_ARRAY_STREAM(nb_streams_frames, nb_streams, fmt_ctx->nb_streams);
2021  REALLOCZ_ARRAY_STREAM(nb_streams_packets, nb_streams, fmt_ctx->nb_streams);
2022  REALLOCZ_ARRAY_STREAM(selected_streams, nb_streams, fmt_ctx->nb_streams);
2023  nb_streams = fmt_ctx->nb_streams;
2024  }
2025  if (selected_streams[pkt.stream_index]) {
2026  AVRational tb = fmt_ctx->streams[pkt.stream_index]->time_base;
2027 
2028  if (pkt.pts != AV_NOPTS_VALUE)
2029  *cur_ts = av_rescale_q(pkt.pts, tb, AV_TIME_BASE_Q);
2030 
2031  if (!has_start && *cur_ts != AV_NOPTS_VALUE) {
2032  start = *cur_ts;
2033  has_start = 1;
2034  }
2035 
2036  if (has_start && !has_end && interval->end_is_offset) {
2037  end = start + interval->end;
2038  has_end = 1;
2039  }
2040 
2041  if (interval->end_is_offset && interval->duration_frames) {
2042  if (frame_count >= interval->end)
2043  break;
2044  } else if (has_end && *cur_ts != AV_NOPTS_VALUE && *cur_ts >= end) {
2045  break;
2046  }
2047 
2048  frame_count++;
2049  if (do_read_packets) {
2050  if (do_show_packets)
2051  show_packet(w, fmt_ctx, &pkt, i++);
2052  nb_streams_packets[pkt.stream_index]++;
2053  }
2054  if (do_read_frames) {
2055  pkt1 = pkt;
2056  while (pkt1.size && process_frame(w, fmt_ctx, frame, &pkt1) > 0);
2057  }
2058  }
2059  av_free_packet(&pkt);
2060  }
2061  av_init_packet(&pkt);
2062  pkt.data = NULL;
2063  pkt.size = 0;
2064  //Flush remaining frames that are cached in the decoder
2065  for (i = 0; i < fmt_ctx->nb_streams; i++) {
2066  pkt.stream_index = i;
2067  if (do_read_frames)
2068  while (process_frame(w, fmt_ctx, frame, &pkt) > 0);
2069  }
2070 
2071 end:
2072  av_frame_free(&frame);
2073  if (ret < 0) {
2074  av_log(NULL, AV_LOG_ERROR, "Could not read packets in interval ");
2075  log_read_interval(interval, NULL, AV_LOG_ERROR);
2076  }
2077  return ret;
2078 }
2079 
2080 static int read_packets(WriterContext *w, AVFormatContext *fmt_ctx)
2081 {
2082  int i, ret = 0;
2083  int64_t cur_ts = fmt_ctx->start_time;
2084 
2085  if (read_intervals_nb == 0) {
2086  ReadInterval interval = (ReadInterval) { .has_start = 0, .has_end = 0 };
2087  ret = read_interval_packets(w, fmt_ctx, &interval, &cur_ts);
2088  } else {
2089  for (i = 0; i < read_intervals_nb; i++) {
2090  ret = read_interval_packets(w, fmt_ctx, &read_intervals[i], &cur_ts);
2091  if (ret < 0)
2092  break;
2093  }
2094  }
2095 
2096  return ret;
2097 }
2098 
2099 static int show_stream(WriterContext *w, AVFormatContext *fmt_ctx, int stream_idx, int in_program)
2100 {
2101  AVStream *stream = fmt_ctx->streams[stream_idx];
2102  AVCodecContext *dec_ctx;
2103  const AVCodec *dec;
2104  char val_str[128];
2105  const char *s;
2106  AVRational sar, dar;
2107  AVBPrint pbuf;
2108  const AVCodecDescriptor *cd;
2109  int ret = 0;
2110 
2111  av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
2112 
2113  writer_print_section_header(w, in_program ? SECTION_ID_PROGRAM_STREAM : SECTION_ID_STREAM);
2114 
2115  print_int("index", stream->index);
2116 
2117  if ((dec_ctx = stream->codec)) {
2118  const char *profile = NULL;
2119  dec = dec_ctx->codec;
2120  if (dec) {
2121  print_str("codec_name", dec->name);
2122  if (!do_bitexact) {
2123  if (dec->long_name) print_str ("codec_long_name", dec->long_name);
2124  else print_str_opt("codec_long_name", "unknown");
2125  }
2126  } else if ((cd = avcodec_descriptor_get(stream->codec->codec_id))) {
2127  print_str_opt("codec_name", cd->name);
2128  if (!do_bitexact) {
2129  print_str_opt("codec_long_name",
2130  cd->long_name ? cd->long_name : "unknown");
2131  }
2132  } else {
2133  print_str_opt("codec_name", "unknown");
2134  if (!do_bitexact) {
2135  print_str_opt("codec_long_name", "unknown");
2136  }
2137  }
2138 
2139  if (dec && (profile = av_get_profile_name(dec, dec_ctx->profile)))
2140  print_str("profile", profile);
2141  else
2142  print_str_opt("profile", "unknown");
2143 
2144  s = av_get_media_type_string(dec_ctx->codec_type);
2145  if (s) print_str ("codec_type", s);
2146  else print_str_opt("codec_type", "unknown");
2147  print_q("codec_time_base", dec_ctx->time_base, '/');
2148 
2149  /* print AVI/FourCC tag */
2150  av_get_codec_tag_string(val_str, sizeof(val_str), dec_ctx->codec_tag);
2151  print_str("codec_tag_string", val_str);
2152  print_fmt("codec_tag", "0x%04x", dec_ctx->codec_tag);
2153 
2154  switch (dec_ctx->codec_type) {
2155  case AVMEDIA_TYPE_VIDEO:
2156  print_int("width", dec_ctx->width);
2157  print_int("height", dec_ctx->height);
2158  print_int("coded_width", dec_ctx->coded_width);
2159  print_int("coded_height", dec_ctx->coded_height);
2160  print_int("has_b_frames", dec_ctx->has_b_frames);
2161  sar = av_guess_sample_aspect_ratio(fmt_ctx, stream, NULL);
2162  if (sar.den) {
2163  print_q("sample_aspect_ratio", sar, ':');
2164  av_reduce(&dar.num, &dar.den,
2165  dec_ctx->width * sar.num,
2166  dec_ctx->height * sar.den,
2167  1024*1024);
2168  print_q("display_aspect_ratio", dar, ':');
2169  } else {
2170  print_str_opt("sample_aspect_ratio", "N/A");
2171  print_str_opt("display_aspect_ratio", "N/A");
2172  }
2173  s = av_get_pix_fmt_name(dec_ctx->pix_fmt);
2174  if (s) print_str ("pix_fmt", s);
2175  else print_str_opt("pix_fmt", "unknown");
2176  print_int("level", dec_ctx->level);
2177  if (dec_ctx->color_range != AVCOL_RANGE_UNSPECIFIED)
2178  print_str ("color_range", av_color_range_name(dec_ctx->color_range));
2179  else
2180  print_str_opt("color_range", "N/A");
2181  s = av_get_colorspace_name(dec_ctx->colorspace);
2182  if (s) print_str ("color_space", s);
2183  else print_str_opt("color_space", "unknown");
2184 
2185  if (dec_ctx->color_trc != AVCOL_TRC_UNSPECIFIED)
2186  print_str("color_transfer", av_color_transfer_name(dec_ctx->color_trc));
2187  else
2188  print_str_opt("color_transfer", av_color_transfer_name(dec_ctx->color_trc));
2189 
2190  if (dec_ctx->color_primaries != AVCOL_PRI_UNSPECIFIED)
2191  print_str("color_primaries", av_color_primaries_name(dec_ctx->color_primaries));
2192  else
2193  print_str_opt("color_primaries", av_color_primaries_name(dec_ctx->color_primaries));
2194 
2195  if (dec_ctx->chroma_sample_location != AVCHROMA_LOC_UNSPECIFIED)
2196  print_str("chroma_location", av_chroma_location_name(dec_ctx->chroma_sample_location));
2197  else
2198  print_str_opt("chroma_location", av_chroma_location_name(dec_ctx->chroma_sample_location));
2199 
2200  if (dec_ctx->timecode_frame_start >= 0) {
2201  char tcbuf[AV_TIMECODE_STR_SIZE];
2202  av_timecode_make_mpeg_tc_string(tcbuf, dec_ctx->timecode_frame_start);
2203  print_str("timecode", tcbuf);
2204  } else {
2205  print_str_opt("timecode", "N/A");
2206  }
2207  print_int("refs", dec_ctx->refs);
2208  break;
2209 
2210  case AVMEDIA_TYPE_AUDIO:
2211  s = av_get_sample_fmt_name(dec_ctx->sample_fmt);
2212  if (s) print_str ("sample_fmt", s);
2213  else print_str_opt("sample_fmt", "unknown");
2214  print_val("sample_rate", dec_ctx->sample_rate, unit_hertz_str);
2215  print_int("channels", dec_ctx->channels);
2216 
2217  if (dec_ctx->channel_layout) {
2218  av_bprint_clear(&pbuf);
2219  av_bprint_channel_layout(&pbuf, dec_ctx->channels, dec_ctx->channel_layout);
2220  print_str ("channel_layout", pbuf.str);
2221  } else {
2222  print_str_opt("channel_layout", "unknown");
2223  }
2224 
2225  print_int("bits_per_sample", av_get_bits_per_sample(dec_ctx->codec_id));
2226  break;
2227 
2228  case AVMEDIA_TYPE_SUBTITLE:
2229  if (dec_ctx->width)
2230  print_int("width", dec_ctx->width);
2231  else
2232  print_str_opt("width", "N/A");
2233  if (dec_ctx->height)
2234  print_int("height", dec_ctx->height);
2235  else
2236  print_str_opt("height", "N/A");
2237  break;
2238  }
2239  } else {
2240  print_str_opt("codec_type", "unknown");
2241  }
2242  if (dec_ctx->codec && dec_ctx->codec->priv_class && show_private_data) {
2243  const AVOption *opt = NULL;
2244  while (opt = av_opt_next(dec_ctx->priv_data,opt)) {
2245  uint8_t *str;
2246  if (opt->flags) continue;
2247  if (av_opt_get(dec_ctx->priv_data, opt->name, 0, &str) >= 0) {
2248  print_str(opt->name, str);
2249  av_free(str);
2250  }
2251  }
2252  }
2253 
2254  if (fmt_ctx->iformat->flags & AVFMT_SHOW_IDS) print_fmt ("id", "0x%x", stream->id);
2255  else print_str_opt("id", "N/A");
2256  print_q("r_frame_rate", stream->r_frame_rate, '/');
2257  print_q("avg_frame_rate", stream->avg_frame_rate, '/');
2258  print_q("time_base", stream->time_base, '/');
2259  print_ts ("start_pts", stream->start_time);
2260  print_time("start_time", stream->start_time, &stream->time_base);
2261  print_ts ("duration_ts", stream->duration);
2262  print_time("duration", stream->duration, &stream->time_base);
2263  if (dec_ctx->bit_rate > 0) print_val ("bit_rate", dec_ctx->bit_rate, unit_bit_per_second_str);
2264  else print_str_opt("bit_rate", "N/A");
2265  if (dec_ctx->rc_max_rate > 0) print_val ("max_bit_rate", dec_ctx->rc_max_rate, unit_bit_per_second_str);
2266  else print_str_opt("max_bit_rate", "N/A");
2267  if (dec_ctx->bits_per_raw_sample > 0) print_fmt("bits_per_raw_sample", "%d", dec_ctx->bits_per_raw_sample);
2268  else print_str_opt("bits_per_raw_sample", "N/A");
2269  if (stream->nb_frames) print_fmt ("nb_frames", "%"PRId64, stream->nb_frames);
2270  else print_str_opt("nb_frames", "N/A");
2271  if (nb_streams_frames[stream_idx]) print_fmt ("nb_read_frames", "%"PRIu64, nb_streams_frames[stream_idx]);
2272  else print_str_opt("nb_read_frames", "N/A");
2273  if (nb_streams_packets[stream_idx]) print_fmt ("nb_read_packets", "%"PRIu64, nb_streams_packets[stream_idx]);
2274  else print_str_opt("nb_read_packets", "N/A");
2275  if (do_show_data)
2276  writer_print_data(w, "extradata", dec_ctx->extradata,
2277  dec_ctx->extradata_size);
2278  writer_print_data_hash(w, "extradata_hash", dec_ctx->extradata,
2279  dec_ctx->extradata_size);
2280 
2281  /* Print disposition information */
2282 #define PRINT_DISPOSITION(flagname, name) do { \
2283  print_int(name, !!(stream->disposition & AV_DISPOSITION_##flagname)); \
2284  } while (0)
2285 
2286  if (do_show_stream_disposition) {
2287  writer_print_section_header(w, in_program ? SECTION_ID_PROGRAM_STREAM_DISPOSITION : SECTION_ID_STREAM_DISPOSITION);
2288  PRINT_DISPOSITION(DEFAULT, "default");
2289  PRINT_DISPOSITION(DUB, "dub");
2290  PRINT_DISPOSITION(ORIGINAL, "original");
2291  PRINT_DISPOSITION(COMMENT, "comment");
2292  PRINT_DISPOSITION(LYRICS, "lyrics");
2293  PRINT_DISPOSITION(KARAOKE, "karaoke");
2294  PRINT_DISPOSITION(FORCED, "forced");
2295  PRINT_DISPOSITION(HEARING_IMPAIRED, "hearing_impaired");
2296  PRINT_DISPOSITION(VISUAL_IMPAIRED, "visual_impaired");
2297  PRINT_DISPOSITION(CLEAN_EFFECTS, "clean_effects");
2298  PRINT_DISPOSITION(ATTACHED_PIC, "attached_pic");
2299  writer_print_section_footer(w);
2300  }
2301 
2302  if (do_show_stream_tags)
2303  ret = show_tags(w, stream->metadata, in_program ? SECTION_ID_PROGRAM_STREAM_TAGS : SECTION_ID_STREAM_TAGS);
2304 
2305  if (stream->nb_side_data) {
2306  int i;
2307  writer_print_section_header(w, SECTION_ID_STREAM_SIDE_DATA_LIST);
2308  for (i = 0; i < stream->nb_side_data; i++) {
2309  AVPacketSideData *sd = &stream->side_data[i];
2310  const char *name = av_packet_side_data_name(sd->type);
2311 
2312  writer_print_section_header(w, SECTION_ID_STREAM_SIDE_DATA);
2313  print_str("side_data_type", name ? name : "unknown");
2314  print_int("side_data_size", sd->size);
2315  if (sd->type == AV_PKT_DATA_DISPLAYMATRIX && sd->size >= 9*4) {
2316  writer_print_integers(w, "displaymatrix", sd->data, 9, " %11d", 3, 4, 1);
2317  print_int("rotation", av_display_rotation_get((int32_t *)sd->data));
2318  }
2319  writer_print_section_footer(w);
2320  }
2321  writer_print_section_footer(w);
2322  }
2323 
2324  writer_print_section_footer(w);
2325  av_bprint_finalize(&pbuf, NULL);
2326  fflush(stdout);
2327 
2328  return ret;
2329 }
2330 
2331 static int show_streams(WriterContext *w, AVFormatContext *fmt_ctx)
2332 {
2333  int i, ret = 0;
2334 
2335  writer_print_section_header(w, SECTION_ID_STREAMS);
2336  for (i = 0; i < fmt_ctx->nb_streams; i++)
2337  if (selected_streams[i]) {
2338  ret = show_stream(w, fmt_ctx, i, 0);
2339  if (ret < 0)
2340  break;
2341  }
2342  writer_print_section_footer(w);
2343 
2344  return ret;
2345 }
2346 
2347 static int show_program(WriterContext *w, AVFormatContext *fmt_ctx, AVProgram *program)
2348 {
2349  int i, ret = 0;
2350 
2351  writer_print_section_header(w, SECTION_ID_PROGRAM);
2352  print_int("program_id", program->id);
2353  print_int("program_num", program->program_num);
2354  print_int("nb_streams", program->nb_stream_indexes);
2355  print_int("pmt_pid", program->pmt_pid);
2356  print_int("pcr_pid", program->pcr_pid);
2357  print_ts("start_pts", program->start_time);
2358  print_time("start_time", program->start_time, &AV_TIME_BASE_Q);
2359  print_ts("end_pts", program->end_time);
2360  print_time("end_time", program->end_time, &AV_TIME_BASE_Q);
2361  if (do_show_program_tags)
2362  ret = show_tags(w, program->metadata, SECTION_ID_PROGRAM_TAGS);
2363  if (ret < 0)
2364  goto end;
2365 
2366  writer_print_section_header(w, SECTION_ID_PROGRAM_STREAMS);
2367  for (i = 0; i < program->nb_stream_indexes; i++) {
2368  if (selected_streams[program->stream_index[i]]) {
2369  ret = show_stream(w, fmt_ctx, program->stream_index[i], 1);
2370  if (ret < 0)
2371  break;
2372  }
2373  }
2374  writer_print_section_footer(w);
2375 
2376 end:
2377  writer_print_section_footer(w);
2378  return ret;
2379 }
2380 
2381 static int show_programs(WriterContext *w, AVFormatContext *fmt_ctx)
2382 {
2383  int i, ret = 0;
2384 
2385  writer_print_section_header(w, SECTION_ID_PROGRAMS);
2386  for (i = 0; i < fmt_ctx->nb_programs; i++) {
2387  AVProgram *program = fmt_ctx->programs[i];
2388  if (!program)
2389  continue;
2390  ret = show_program(w, fmt_ctx, program);
2391  if (ret < 0)
2392  break;
2393  }
2394  writer_print_section_footer(w);
2395  return ret;
2396 }
2397 
2398 static int show_chapters(WriterContext *w, AVFormatContext *fmt_ctx)
2399 {
2400  int i, ret = 0;
2401 
2402  writer_print_section_header(w, SECTION_ID_CHAPTERS);
2403  for (i = 0; i < fmt_ctx->nb_chapters; i++) {
2404  AVChapter *chapter = fmt_ctx->chapters[i];
2405 
2406  writer_print_section_header(w, SECTION_ID_CHAPTER);
2407  print_int("id", chapter->id);
2408  print_q ("time_base", chapter->time_base, '/');
2409  print_int("start", chapter->start);
2410  print_time("start_time", chapter->start, &chapter->time_base);
2411  print_int("end", chapter->end);
2412  print_time("end_time", chapter->end, &chapter->time_base);
2413  if (do_show_chapter_tags)
2414  ret = show_tags(w, chapter->metadata, SECTION_ID_CHAPTER_TAGS);
2415  writer_print_section_footer(w);
2416  }
2417  writer_print_section_footer(w);
2418 
2419  return ret;
2420 }
2421 
2422 static int show_format(WriterContext *w, AVFormatContext *fmt_ctx)
2423 {
2424  char val_str[128];
2425  int64_t size = fmt_ctx->pb ? avio_size(fmt_ctx->pb) : -1;
2426  int ret = 0;
2427 
2428  writer_print_section_header(w, SECTION_ID_FORMAT);
2429  print_str_validate("filename", fmt_ctx->filename);
2430  print_int("nb_streams", fmt_ctx->nb_streams);
2431  print_int("nb_programs", fmt_ctx->nb_programs);
2432  print_str("format_name", fmt_ctx->iformat->name);
2433  if (!do_bitexact) {
2434  if (fmt_ctx->iformat->long_name) print_str ("format_long_name", fmt_ctx->iformat->long_name);
2435  else print_str_opt("format_long_name", "unknown");
2436  }
2437  print_time("start_time", fmt_ctx->start_time, &AV_TIME_BASE_Q);
2438  print_time("duration", fmt_ctx->duration, &AV_TIME_BASE_Q);
2439  if (size >= 0) print_val ("size", size, unit_byte_str);
2440  else print_str_opt("size", "N/A");
2441  if (fmt_ctx->bit_rate > 0) print_val ("bit_rate", fmt_ctx->bit_rate, unit_bit_per_second_str);
2442  else print_str_opt("bit_rate", "N/A");
2443  print_int("probe_score", av_format_get_probe_score(fmt_ctx));
2444  if (do_show_format_tags)
2445  ret = show_tags(w, fmt_ctx->metadata, SECTION_ID_FORMAT_TAGS);
2446 
2447  writer_print_section_footer(w);
2448  fflush(stdout);
2449  return ret;
2450 }
2451 
2452 static void show_error(WriterContext *w, int err)
2453 {
2454  char errbuf[128];
2455  const char *errbuf_ptr = errbuf;
2456 
2457  if (av_strerror(err, errbuf, sizeof(errbuf)) < 0)
2458  errbuf_ptr = strerror(AVUNERROR(err));
2459 
2460  writer_print_section_header(w, SECTION_ID_ERROR);
2461  print_int("code", err);
2462  print_str("string", errbuf_ptr);
2463  writer_print_section_footer(w);
2464 }
2465 
2466 static int open_input_file(AVFormatContext **fmt_ctx_ptr, const char *filename)
2467 {
2468  int err, i, orig_nb_streams;
2469  AVFormatContext *fmt_ctx = NULL;
2470  AVDictionaryEntry *t;
2471  AVDictionary **opts;
2472  int scan_all_pmts_set = 0;
2473 
2474  if (!av_dict_get(format_opts, "scan_all_pmts", NULL, AV_DICT_MATCH_CASE)) {
2475  av_dict_set(&format_opts, "scan_all_pmts", "1", AV_DICT_DONT_OVERWRITE);
2476  scan_all_pmts_set = 1;
2477  }
2478  if ((err = avformat_open_input(&fmt_ctx, filename,
2479  iformat, &format_opts)) < 0) {
2480  print_error(filename, err);
2481  return err;
2482  }
2483  *fmt_ctx_ptr = fmt_ctx;
2484  if (scan_all_pmts_set)
2485  av_dict_set(&format_opts, "scan_all_pmts", NULL, AV_DICT_MATCH_CASE);
2486  if ((t = av_dict_get(format_opts, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
2487  av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
2488  return AVERROR_OPTION_NOT_FOUND;
2489  }
2490 
2491  /* fill the streams in the format context */
2492  opts = setup_find_stream_info_opts(fmt_ctx, codec_opts);
2493  orig_nb_streams = fmt_ctx->nb_streams;
2494 
2495  err = avformat_find_stream_info(fmt_ctx, opts);
2496 
2497  for (i = 0; i < orig_nb_streams; i++)
2498  av_dict_free(&opts[i]);
2499  av_freep(&opts);
2500 
2501  if (err < 0) {
2502  print_error(filename, err);
2503  return err;
2504  }
2505 
2506  av_dump_format(fmt_ctx, 0, filename, 0);
2507 
2508  /* bind a decoder to each input stream */
2509  for (i = 0; i < fmt_ctx->nb_streams; i++) {
2510  AVStream *stream = fmt_ctx->streams[i];
2511  AVCodec *codec;
2512 
2513  if (stream->codec->codec_id == AV_CODEC_ID_PROBE) {
2514  av_log(NULL, AV_LOG_WARNING,
2515  "Failed to probe codec for input stream %d\n",
2516  stream->index);
2517  } else if (!(codec = avcodec_find_decoder(stream->codec->codec_id))) {
2518  av_log(NULL, AV_LOG_WARNING,
2519  "Unsupported codec with id %d for input stream %d\n",
2520  stream->codec->codec_id, stream->index);
2521  } else {
2522  AVDictionary *opts = filter_codec_opts(codec_opts, stream->codec->codec_id,
2523  fmt_ctx, stream, codec);
2524  if (avcodec_open2(stream->codec, codec, &opts) < 0) {
2525  av_log(NULL, AV_LOG_WARNING, "Could not open codec for input stream %d\n",
2526  stream->index);
2527  }
2528  if ((t = av_dict_get(opts, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
2529  av_log(NULL, AV_LOG_ERROR, "Option %s for input stream %d not found\n",
2530  t->key, stream->index);
2531  return AVERROR_OPTION_NOT_FOUND;
2532  }
2533  }
2534  }
2535 
2536  *fmt_ctx_ptr = fmt_ctx;
2537  return 0;
2538 }
2539 
2540 static void close_input_file(AVFormatContext **ctx_ptr)
2541 {
2542  int i;
2543  AVFormatContext *fmt_ctx = *ctx_ptr;
2544 
2545  /* close decoder for each stream */
2546  for (i = 0; i < fmt_ctx->nb_streams; i++)
2547  if (fmt_ctx->streams[i]->codec->codec_id != AV_CODEC_ID_NONE)
2548  avcodec_close(fmt_ctx->streams[i]->codec);
2549 
2550  avformat_close_input(ctx_ptr);
2551 }
2552 
2553 static int probe_file(WriterContext *wctx, const char *filename)
2554 {
2555  AVFormatContext *fmt_ctx = NULL;
2556  int ret, i;
2557  int section_id;
2558 
2559  do_read_frames = do_show_frames || do_count_frames;
2560  do_read_packets = do_show_packets || do_count_packets;
2561 
2562  ret = open_input_file(&fmt_ctx, filename);
2563  if (ret < 0)
2564  goto end;
2565 
2566 #define CHECK_END if (ret < 0) goto end
2567 
2568  nb_streams = fmt_ctx->nb_streams;
2569  REALLOCZ_ARRAY_STREAM(nb_streams_frames,0,fmt_ctx->nb_streams);
2570  REALLOCZ_ARRAY_STREAM(nb_streams_packets,0,fmt_ctx->nb_streams);
2571  REALLOCZ_ARRAY_STREAM(selected_streams,0,fmt_ctx->nb_streams);
2572 
2573  for (i = 0; i < fmt_ctx->nb_streams; i++) {
2574  if (stream_specifier) {
2575  ret = avformat_match_stream_specifier(fmt_ctx,
2576  fmt_ctx->streams[i],
2577  stream_specifier);
2578  CHECK_END;
2579  else
2580  selected_streams[i] = ret;
2581  ret = 0;
2582  } else {
2583  selected_streams[i] = 1;
2584  }
2585  }
2586 
2587  if (do_read_frames || do_read_packets) {
2588  if (do_show_frames && do_show_packets &&
2589  wctx->writer->flags & WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER)
2590  section_id = SECTION_ID_PACKETS_AND_FRAMES;
2591  else if (do_show_packets && !do_show_frames)
2592  section_id = SECTION_ID_PACKETS;
2593  else // (!do_show_packets && do_show_frames)
2594  section_id = SECTION_ID_FRAMES;
2595  if (do_show_frames || do_show_packets)
2596  writer_print_section_header(wctx, section_id);
2597  ret = read_packets(wctx, fmt_ctx);
2598  if (do_show_frames || do_show_packets)
2599  writer_print_section_footer(wctx);
2600  CHECK_END;
2601  }
2602 
2603  if (do_show_programs) {
2604  ret = show_programs(wctx, fmt_ctx);
2605  CHECK_END;
2606  }
2607 
2608  if (do_show_streams) {
2609  ret = show_streams(wctx, fmt_ctx);
2610  CHECK_END;
2611  }
2612  if (do_show_chapters) {
2613  ret = show_chapters(wctx, fmt_ctx);
2614  CHECK_END;
2615  }
2616  if (do_show_format) {
2617  ret = show_format(wctx, fmt_ctx);
2618  CHECK_END;
2619  }
2620 
2621 end:
2622  if (fmt_ctx)
2623  close_input_file(&fmt_ctx);
2624  av_freep(&nb_streams_frames);
2625  av_freep(&nb_streams_packets);
2626  av_freep(&selected_streams);
2627 
2628  return ret;
2629 }
2630 
2631 static void show_usage(void)
2632 {
2633  av_log(NULL, AV_LOG_INFO, "Simple multimedia streams analyzer\n");
2634  av_log(NULL, AV_LOG_INFO, "usage: %s [OPTIONS] [INPUT_FILE]\n", program_name);
2635  av_log(NULL, AV_LOG_INFO, "\n");
2636 }
2637 
2638 static void ffprobe_show_program_version(WriterContext *w)
2639 {
2640  AVBPrint pbuf;
2641  av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
2642 
2643  writer_print_section_header(w, SECTION_ID_PROGRAM_VERSION);
2644  print_str("version", FFMPEG_VERSION);
2645  print_fmt("copyright", "Copyright (c) %d-%d the FFmpeg developers",
2646  program_birth_year, CONFIG_THIS_YEAR);
2647  print_str("compiler_ident", CC_IDENT);
2648  print_str("configuration", FFMPEG_CONFIGURATION);
2649  writer_print_section_footer(w);
2650 
2651  av_bprint_finalize(&pbuf, NULL);
2652 }
2653 
2654 #define SHOW_LIB_VERSION(libname, LIBNAME) \
2655  do { \
2656  if (CONFIG_##LIBNAME) { \
2657  unsigned int version = libname##_version(); \
2658  writer_print_section_header(w, SECTION_ID_LIBRARY_VERSION); \
2659  print_str("name", "lib" #libname); \
2660  print_int("major", LIB##LIBNAME##_VERSION_MAJOR); \
2661  print_int("minor", LIB##LIBNAME##_VERSION_MINOR); \
2662  print_int("micro", LIB##LIBNAME##_VERSION_MICRO); \
2663  print_int("version", version); \
2664  print_str("ident", LIB##LIBNAME##_IDENT); \
2665  writer_print_section_footer(w); \
2666  } \
2667  } while (0)
2668 
2669 static void ffprobe_show_library_versions(WriterContext *w)
2670 {
2671  writer_print_section_header(w, SECTION_ID_LIBRARY_VERSIONS);
2672  SHOW_LIB_VERSION(avutil, AVUTIL);
2673  SHOW_LIB_VERSION(avcodec, AVCODEC);
2674  SHOW_LIB_VERSION(avformat, AVFORMAT);
2675  SHOW_LIB_VERSION(avdevice, AVDEVICE);
2676  SHOW_LIB_VERSION(avfilter, AVFILTER);
2677  SHOW_LIB_VERSION(swscale, SWSCALE);
2678  SHOW_LIB_VERSION(swresample, SWRESAMPLE);
2679  SHOW_LIB_VERSION(postproc, POSTPROC);
2680  writer_print_section_footer(w);
2681 }
2682 
2683 #define PRINT_PIX_FMT_FLAG(flagname, name) \
2684  do { \
2685  print_int(name, !!(pixdesc->flags & AV_PIX_FMT_FLAG_##flagname)); \
2686  } while (0)
2687 
2688 static void ffprobe_show_pixel_formats(WriterContext *w)
2689 {
2690  const AVPixFmtDescriptor *pixdesc = NULL;
2691  int i, n;
2692 
2693  writer_print_section_header(w, SECTION_ID_PIXEL_FORMATS);
2694  while (pixdesc = av_pix_fmt_desc_next(pixdesc)) {
2695  writer_print_section_header(w, SECTION_ID_PIXEL_FORMAT);
2696  print_str("name", pixdesc->name);
2697  print_int("nb_components", pixdesc->nb_components);
2698  if ((pixdesc->nb_components >= 3) && !(pixdesc->flags & AV_PIX_FMT_FLAG_RGB)) {
2699  print_int ("log2_chroma_w", pixdesc->log2_chroma_w);
2700  print_int ("log2_chroma_h", pixdesc->log2_chroma_h);
2701  } else {
2702  print_str_opt("log2_chroma_w", "N/A");
2703  print_str_opt("log2_chroma_h", "N/A");
2704  }
2705  n = av_get_bits_per_pixel(pixdesc);
2706  if (n) print_int ("bits_per_pixel", n);
2707  else print_str_opt("bits_per_pixel", "N/A");
2708  if (do_show_pixel_format_flags) {
2709  writer_print_section_header(w, SECTION_ID_PIXEL_FORMAT_FLAGS);
2710  PRINT_PIX_FMT_FLAG(BE, "big_endian");
2711  PRINT_PIX_FMT_FLAG(PAL, "palette");
2712  PRINT_PIX_FMT_FLAG(BITSTREAM, "bitstream");
2713  PRINT_PIX_FMT_FLAG(HWACCEL, "hwaccel");
2714  PRINT_PIX_FMT_FLAG(PLANAR, "planar");
2715  PRINT_PIX_FMT_FLAG(RGB, "rgb");
2716  PRINT_PIX_FMT_FLAG(PSEUDOPAL, "pseudopal");
2717  PRINT_PIX_FMT_FLAG(ALPHA, "alpha");
2718  writer_print_section_footer(w);
2719  }
2720  if (do_show_pixel_format_components && (pixdesc->nb_components > 0)) {
2721  writer_print_section_header(w, SECTION_ID_PIXEL_FORMAT_COMPONENTS);
2722  for (i = 0; i < pixdesc->nb_components; i++) {
2723  writer_print_section_header(w, SECTION_ID_PIXEL_FORMAT_COMPONENT);
2724  print_int("index", i + 1);
2725  print_int("bit_depth", pixdesc->comp[i].depth_minus1 + 1);
2726  writer_print_section_footer(w);
2727  }
2728  writer_print_section_footer(w);
2729  }
2730  writer_print_section_footer(w);
2731  }
2732  writer_print_section_footer(w);
2733 }
2734 
2735 static int opt_format(void *optctx, const char *opt, const char *arg)
2736 {
2737  iformat = av_find_input_format(arg);
2738  if (!iformat) {
2739  av_log(NULL, AV_LOG_ERROR, "Unknown input format: %s\n", arg);
2740  return AVERROR(EINVAL);
2741  }
2742  return 0;
2743 }
2744 
2745 static inline void mark_section_show_entries(SectionID section_id,
2746  int show_all_entries, AVDictionary *entries)
2747 {
2748  struct section *section = &sections[section_id];
2749 
2750  section->show_all_entries = show_all_entries;
2751  if (show_all_entries) {
2752  SectionID *id;
2753  for (id = section->children_ids; *id != -1; id++)
2754  mark_section_show_entries(*id, show_all_entries, entries);
2755  } else {
2756  av_dict_copy(&section->entries_to_show, entries, 0);
2757  }
2758 }
2759 
2760 static int match_section(const char *section_name,
2761  int show_all_entries, AVDictionary *entries)
2762 {
2763  int i, ret = 0;
2764 
2765  for (i = 0; i < FF_ARRAY_ELEMS(sections); i++) {
2766  const struct section *section = &sections[i];
2767  if (!strcmp(section_name, section->name) ||
2768  (section->unique_name && !strcmp(section_name, section->unique_name))) {
2769  av_log(NULL, AV_LOG_DEBUG,
2770  "'%s' matches section with unique name '%s'\n", section_name,
2771  (char *)av_x_if_null(section->unique_name, section->name));
2772  ret++;
2773  mark_section_show_entries(section->id, show_all_entries, entries);
2774  }
2775  }
2776  return ret;
2777 }
2778 
2779 static int opt_show_entries(void *optctx, const char *opt, const char *arg)
2780 {
2781  const char *p = arg;
2782  int ret = 0;
2783 
2784  while (*p) {
2785  AVDictionary *entries = NULL;
2786  char *section_name = av_get_token(&p, "=:");
2787  int show_all_entries = 0;
2788 
2789  if (!section_name) {
2790  av_log(NULL, AV_LOG_ERROR,
2791  "Missing section name for option '%s'\n", opt);
2792  return AVERROR(EINVAL);
2793  }
2794 
2795  if (*p == '=') {
2796  p++;
2797  while (*p && *p != ':') {
2798  char *entry = av_get_token(&p, ",:");
2799  if (!entry)
2800  break;
2801  av_log(NULL, AV_LOG_VERBOSE,
2802  "Adding '%s' to the entries to show in section '%s'\n",
2803  entry, section_name);
2804  av_dict_set(&entries, entry, "", AV_DICT_DONT_STRDUP_KEY);
2805  if (*p == ',')
2806  p++;
2807  }
2808  } else {
2809  show_all_entries = 1;
2810  }
2811 
2812  ret = match_section(section_name, show_all_entries, entries);
2813  if (ret == 0) {
2814  av_log(NULL, AV_LOG_ERROR, "No match for section '%s'\n", section_name);
2815  ret = AVERROR(EINVAL);
2816  }
2817  av_dict_free(&entries);
2818  av_free(section_name);
2819 
2820  if (ret <= 0)
2821  break;
2822  if (*p)
2823  p++;
2824  }
2825 
2826  return ret;
2827 }
2828 
2829 static int opt_show_format_entry(void *optctx, const char *opt, const char *arg)
2830 {
2831  char *buf = av_asprintf("format=%s", arg);
2832  int ret;
2833 
2834  av_log(NULL, AV_LOG_WARNING,
2835  "Option '%s' is deprecated, use '-show_entries format=%s' instead\n",
2836  opt, arg);
2837  ret = opt_show_entries(optctx, opt, buf);
2838  av_free(buf);
2839  return ret;
2840 }
2841 
2842 static void opt_input_file(void *optctx, const char *arg)
2843 {
2844  if (input_filename) {
2845  av_log(NULL, AV_LOG_ERROR,
2846  "Argument '%s' provided as input filename, but '%s' was already specified.\n",
2847  arg, input_filename);
2848  exit_program(1);
2849  }
2850  if (!strcmp(arg, "-"))
2851  arg = "pipe:";
2852  input_filename = arg;
2853 }
2854 
2855 static int opt_input_file_i(void *optctx, const char *opt, const char *arg)
2856 {
2857  opt_input_file(optctx, arg);
2858  return 0;
2859 }
2860 
2861 void show_help_default(const char *opt, const char *arg)
2862 {
2863  av_log_set_callback(log_callback_help);
2864  show_usage();
2865  show_help_options(options, "Main options:", 0, 0, 0);
2866  printf("\n");
2867 
2868  show_help_children(avformat_get_class(), AV_OPT_FLAG_DECODING_PARAM);
2869 }
2870 
2871 /**
2872  * Parse interval specification, according to the format:
2873  * INTERVAL ::= [START|+START_OFFSET][%[END|+END_OFFSET]]
2874  * INTERVALS ::= INTERVAL[,INTERVALS]
2875 */
2876 static int parse_read_interval(const char *interval_spec,
2877  ReadInterval *interval)
2878 {
2879  int ret = 0;
2880  char *next, *p, *spec = av_strdup(interval_spec);
2881  if (!spec)
2882  return AVERROR(ENOMEM);
2883 
2884  if (!*spec) {
2885  av_log(NULL, AV_LOG_ERROR, "Invalid empty interval specification\n");
2886  ret = AVERROR(EINVAL);
2887  goto end;
2888  }
2889 
2890  p = spec;
2891  next = strchr(spec, '%');
2892  if (next)
2893  *next++ = 0;
2894 
2895  /* parse first part */
2896  if (*p) {
2897  interval->has_start = 1;
2898 
2899  if (*p == '+') {
2900  interval->start_is_offset = 1;
2901  p++;
2902  } else {
2903  interval->start_is_offset = 0;
2904  }
2905 
2906  ret = av_parse_time(&interval->start, p, 1);
2907  if (ret < 0) {
2908  av_log(NULL, AV_LOG_ERROR, "Invalid interval start specification '%s'\n", p);
2909  goto end;
2910  }
2911  } else {
2912  interval->has_start = 0;
2913  }
2914 
2915  /* parse second part */
2916  p = next;
2917  if (p && *p) {
2918  int64_t us;
2919  interval->has_end = 1;
2920 
2921  if (*p == '+') {
2922  interval->end_is_offset = 1;
2923  p++;
2924  } else {
2925  interval->end_is_offset = 0;
2926  }
2927 
2928  if (interval->end_is_offset && *p == '#') {
2929  long long int lli;
2930  char *tail;
2931  interval->duration_frames = 1;
2932  p++;
2933  lli = strtoll(p, &tail, 10);
2934  if (*tail || lli < 0) {
2935  av_log(NULL, AV_LOG_ERROR,
2936  "Invalid or negative value '%s' for duration number of frames\n", p);
2937  goto end;
2938  }
2939  interval->end = lli;
2940  } else {
2941  ret = av_parse_time(&us, p, 1);
2942  if (ret < 0) {
2943  av_log(NULL, AV_LOG_ERROR, "Invalid interval end/duration specification '%s'\n", p);
2944  goto end;
2945  }
2946  interval->end = us;
2947  }
2948  } else {
2949  interval->has_end = 0;
2950  }
2951 
2952 end:
2953  av_free(spec);
2954  return ret;
2955 }
2956 
2957 static int parse_read_intervals(const char *intervals_spec)
2958 {
2959  int ret, n, i;
2960  char *p, *spec = av_strdup(intervals_spec);
2961  if (!spec)
2962  return AVERROR(ENOMEM);
2963 
2964  /* preparse specification, get number of intervals */
2965  for (n = 0, p = spec; *p; p++)
2966  if (*p == ',')
2967  n++;
2968  n++;
2969 
2970  read_intervals = av_malloc_array(n, sizeof(*read_intervals));
2971  if (!read_intervals) {
2972  ret = AVERROR(ENOMEM);
2973  goto end;
2974  }
2975  read_intervals_nb = n;
2976 
2977  /* parse intervals */
2978  p = spec;
2979  for (i = 0; p; i++) {
2980  char *next;
2981 
2982  av_assert0(i < read_intervals_nb);
2983  next = strchr(p, ',');
2984  if (next)
2985  *next++ = 0;
2986 
2987  read_intervals[i].id = i;
2988  ret = parse_read_interval(p, &read_intervals[i]);
2989  if (ret < 0) {
2990  av_log(NULL, AV_LOG_ERROR, "Error parsing read interval #%d '%s'\n",
2991  i, p);
2992  goto end;
2993  }
2994  av_log(NULL, AV_LOG_VERBOSE, "Parsed log interval ");
2995  log_read_interval(&read_intervals[i], NULL, AV_LOG_VERBOSE);
2996  p = next;
2997  }
2998  av_assert0(i == read_intervals_nb);
2999 
3000 end:
3001  av_free(spec);
3002  return ret;
3003 }
3004 
3005 static int opt_read_intervals(void *optctx, const char *opt, const char *arg)
3006 {
3007  return parse_read_intervals(arg);
3008 }
3009 
3010 static int opt_pretty(void *optctx, const char *opt, const char *arg)
3011 {
3012  show_value_unit = 1;
3013  use_value_prefix = 1;
3014  use_byte_value_binary_prefix = 1;
3015  use_value_sexagesimal_format = 1;
3016  return 0;
3017 }
3018 
3019 static void print_section(SectionID id, int level)
3020 {
3021  const SectionID *pid;
3022  const struct section *section = &sections[id];
3023  printf("%c%c%c",
3024  section->flags & SECTION_FLAG_IS_WRAPPER ? 'W' : '.',
3025  section->flags & SECTION_FLAG_IS_ARRAY ? 'A' : '.',
3026  section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS ? 'V' : '.');
3027  printf("%*c %s", level * 4, ' ', section->name);
3028  if (section->unique_name)
3029  printf("/%s", section->unique_name);
3030  printf("\n");
3031 
3032  for (pid = section->children_ids; *pid != -1; pid++)
3033  print_section(*pid, level+1);
3034 }
3035 
3036 static int opt_sections(void *optctx, const char *opt, const char *arg)
3037 {
3038  printf("Sections:\n"
3039  "W.. = Section is a wrapper (contains other sections, no local entries)\n"
3040  ".A. = Section contains an array of elements of the same type\n"
3041  "..V = Section may contain a variable number of fields with variable keys\n"
3042  "FLAGS NAME/UNIQUE_NAME\n"
3043  "---\n");
3044  print_section(SECTION_ID_ROOT, 0);
3045  return 0;
3046 }
3047 
3048 static int opt_show_versions(const char *opt, const char *arg)
3049 {
3050  mark_section_show_entries(SECTION_ID_PROGRAM_VERSION, 1, NULL);
3051  mark_section_show_entries(SECTION_ID_LIBRARY_VERSION, 1, NULL);
3052  return 0;
3053 }
3054 
3055 #define DEFINE_OPT_SHOW_SECTION(section, target_section_id) \
3056  static int opt_show_##section(const char *opt, const char *arg) \
3057  { \
3058  mark_section_show_entries(SECTION_ID_##target_section_id, 1, NULL); \
3059  return 0; \
3060  }
3061 
3062 DEFINE_OPT_SHOW_SECTION(chapters, CHAPTERS);
3063 DEFINE_OPT_SHOW_SECTION(error, ERROR);
3064 DEFINE_OPT_SHOW_SECTION(format, FORMAT);
3065 DEFINE_OPT_SHOW_SECTION(frames, FRAMES);
3066 DEFINE_OPT_SHOW_SECTION(library_versions, LIBRARY_VERSIONS);
3067 DEFINE_OPT_SHOW_SECTION(packets, PACKETS);
3068 DEFINE_OPT_SHOW_SECTION(pixel_formats, PIXEL_FORMATS);
3069 DEFINE_OPT_SHOW_SECTION(program_version, PROGRAM_VERSION);
3070 DEFINE_OPT_SHOW_SECTION(streams, STREAMS);
3071 DEFINE_OPT_SHOW_SECTION(programs, PROGRAMS);
3072 
3073 static const OptionDef real_options[] = {
3074 #include "cmdutils_common_opts.h"
3075  { "f", HAS_ARG, {.func_arg = opt_format}, "force format", "format" },
3076  { "unit", OPT_BOOL, {&show_value_unit}, "show unit of the displayed values" },
3077  { "prefix", OPT_BOOL, {&use_value_prefix}, "use SI prefixes for the displayed values" },
3078  { "byte_binary_prefix", OPT_BOOL, {&use_byte_value_binary_prefix},
3079  "use binary prefixes for byte units" },
3080  { "sexagesimal", OPT_BOOL, {&use_value_sexagesimal_format},
3081  "use sexagesimal format HOURS:MM:SS.MICROSECONDS for time units" },
3082  { "pretty", 0, {.func_arg = opt_pretty},
3083  "prettify the format of displayed values, make it more human readable" },
3084  { "print_format", OPT_STRING | HAS_ARG, {(void*)&print_format},
3085  "set the output printing format (available formats are: default, compact, csv, flat, ini, json, xml)", "format" },
3086  { "of", OPT_STRING | HAS_ARG, {(void*)&print_format}, "alias for -print_format", "format" },
3087  { "select_streams", OPT_STRING | HAS_ARG, {(void*)&stream_specifier}, "select the specified streams", "stream_specifier" },
3088  { "sections", OPT_EXIT, {.func_arg = opt_sections}, "print sections structure and section information, and exit" },
3089  { "show_data", OPT_BOOL, {(void*)&do_show_data}, "show packets data" },
3090  { "show_data_hash", OPT_STRING | HAS_ARG, {(void*)&show_data_hash}, "show packets data hash" },
3091  { "show_error", 0, {(void*)&opt_show_error}, "show probing error" },
3092  { "show_format", 0, {(void*)&opt_show_format}, "show format/container info" },
3093  { "show_frames", 0, {(void*)&opt_show_frames}, "show frames info" },
3094  { "show_format_entry", HAS_ARG, {.func_arg = opt_show_format_entry},
3095  "show a particular entry from the format/container info", "entry" },
3096  { "show_entries", HAS_ARG, {.func_arg = opt_show_entries},
3097  "show a set of specified entries", "entry_list" },
3098  { "show_packets", 0, {(void*)&opt_show_packets}, "show packets info" },
3099  { "show_programs", 0, {(void*)&opt_show_programs}, "show programs info" },
3100  { "show_streams", 0, {(void*)&opt_show_streams}, "show streams info" },
3101  { "show_chapters", 0, {(void*)&opt_show_chapters}, "show chapters info" },
3102  { "count_frames", OPT_BOOL, {(void*)&do_count_frames}, "count the number of frames per stream" },
3103  { "count_packets", OPT_BOOL, {(void*)&do_count_packets}, "count the number of packets per stream" },
3104  { "show_program_version", 0, {(void*)&opt_show_program_version}, "show ffprobe version" },
3105  { "show_library_versions", 0, {(void*)&opt_show_library_versions}, "show library versions" },
3106  { "show_versions", 0, {(void*)&opt_show_versions}, "show program and library versions" },
3107  { "show_pixel_formats", 0, {(void*)&opt_show_pixel_formats}, "show pixel format descriptions" },
3108  { "show_private_data", OPT_BOOL, {(void*)&show_private_data}, "show private data" },
3109  { "private", OPT_BOOL, {(void*)&show_private_data}, "same as show_private_data" },
3110  { "bitexact", OPT_BOOL, {&do_bitexact}, "force bitexact output" },
3111  { "read_intervals", HAS_ARG, {.func_arg = opt_read_intervals}, "set read intervals", "read_intervals" },
3112  { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {.func_arg = opt_default}, "generic catch all option", "" },
3113  { "i", HAS_ARG, {.func_arg = opt_input_file_i}, "read specified file", "input_file"},
3114  { NULL, },
3115 };
3116 
3117 static inline int check_section_show_entries(int section_id)
3118 {
3119  int *id;
3120  struct section *section = &sections[section_id];
3121  if (sections[section_id].show_all_entries || sections[section_id].entries_to_show)
3122  return 1;
3123  for (id = section->children_ids; *id != -1; id++)
3124  if (check_section_show_entries(*id))
3125  return 1;
3126  return 0;
3127 }
3128 
3129 #define SET_DO_SHOW(id, varname) do { \
3130  if (check_section_show_entries(SECTION_ID_##id)) \
3131  do_show_##varname = 1; \
3132  } while (0)
3133 
3134 int main(int argc, char **argv)
3135 {
3136  const Writer *w;
3137  WriterContext *wctx;
3138  char *buf;
3139  char *w_name = NULL, *w_args = NULL;
3140  int ret, i;
3141 
3142  av_log_set_flags(AV_LOG_SKIP_REPEATED);
3143  register_exit(ffprobe_cleanup);
3144 
3145  options = real_options;
3146  parse_loglevel(argc, argv, options);
3147  av_register_all();
3148  avformat_network_init();
3149  init_opts();
3150 #if CONFIG_AVDEVICE
3151  avdevice_register_all();
3152 #endif
3153 
3154  show_banner(argc, argv, options);
3155  parse_options(NULL, argc, argv, options, opt_input_file);
3156 
3157  /* mark things to show, based on -show_entries */
3158  SET_DO_SHOW(CHAPTERS, chapters);
3159  SET_DO_SHOW(ERROR, error);
3160  SET_DO_SHOW(FORMAT, format);
3161  SET_DO_SHOW(FRAMES, frames);
3162  SET_DO_SHOW(LIBRARY_VERSIONS, library_versions);
3163  SET_DO_SHOW(PACKETS, packets);
3164  SET_DO_SHOW(PIXEL_FORMATS, pixel_formats);
3165  SET_DO_SHOW(PIXEL_FORMAT_FLAGS, pixel_format_flags);
3166  SET_DO_SHOW(PIXEL_FORMAT_COMPONENTS, pixel_format_components);
3167  SET_DO_SHOW(PROGRAM_VERSION, program_version);
3168  SET_DO_SHOW(PROGRAMS, programs);
3169  SET_DO_SHOW(STREAMS, streams);
3170  SET_DO_SHOW(STREAM_DISPOSITION, stream_disposition);
3171  SET_DO_SHOW(PROGRAM_STREAM_DISPOSITION, stream_disposition);
3172 
3173  SET_DO_SHOW(CHAPTER_TAGS, chapter_tags);
3174  SET_DO_SHOW(FORMAT_TAGS, format_tags);
3175  SET_DO_SHOW(FRAME_TAGS, frame_tags);
3176  SET_DO_SHOW(PROGRAM_TAGS, program_tags);
3177  SET_DO_SHOW(STREAM_TAGS, stream_tags);
3178 
3179  if (do_bitexact && (do_show_program_version || do_show_library_versions)) {
3180  av_log(NULL, AV_LOG_ERROR,
3181  "-bitexact and -show_program_version or -show_library_versions "
3182  "options are incompatible\n");
3183  ret = AVERROR(EINVAL);
3184  goto end;
3185  }
3186 
3187  writer_register_all();
3188 
3189  if (!print_format)
3190  print_format = av_strdup("default");
3191  if (!print_format) {
3192  ret = AVERROR(ENOMEM);
3193  goto end;
3194  }
3195  w_name = av_strtok(print_format, "=", &buf);
3196  w_args = buf;
3197 
3198  if (show_data_hash) {
3199  if ((ret = av_hash_alloc(&hash, show_data_hash)) < 0) {
3200  if (ret == AVERROR(EINVAL)) {
3201  const char *n;
3202  av_log(NULL, AV_LOG_ERROR,
3203  "Unknown hash algorithm '%s'\nKnown algorithms:",
3204  show_data_hash);
3205  for (i = 0; (n = av_hash_names(i)); i++)
3206  av_log(NULL, AV_LOG_ERROR, " %s", n);
3207  av_log(NULL, AV_LOG_ERROR, "\n");
3208  }
3209  goto end;
3210  }
3211  }
3212 
3213  w = writer_get_by_name(w_name);
3214  if (!w) {
3215  av_log(NULL, AV_LOG_ERROR, "Unknown output format with name '%s'\n", w_name);
3216  ret = AVERROR(EINVAL);
3217  goto end;
3218  }
3219 
3220  if ((ret = writer_open(&wctx, w, w_args,
3221  sections, FF_ARRAY_ELEMS(sections))) >= 0) {
3222  if (w == &xml_writer)
3223  wctx->string_validation_utf8_flags |= AV_UTF8_FLAG_EXCLUDE_XML_INVALID_CONTROL_CODES;
3224 
3225  writer_print_section_header(wctx, SECTION_ID_ROOT);
3226 
3227  if (do_show_program_version)
3228  ffprobe_show_program_version(wctx);
3229  if (do_show_library_versions)
3230  ffprobe_show_library_versions(wctx);
3231  if (do_show_pixel_formats)
3232  ffprobe_show_pixel_formats(wctx);
3233 
3234  if (!input_filename &&
3235  ((do_show_format || do_show_programs || do_show_streams || do_show_chapters || do_show_packets || do_show_error) ||
3236  (!do_show_program_version && !do_show_library_versions && !do_show_pixel_formats))) {
3237  show_usage();
3238  av_log(NULL, AV_LOG_ERROR, "You have to specify one input file.\n");
3239  av_log(NULL, AV_LOG_ERROR, "Use -h to get full help or, even better, run 'man %s'.\n", program_name);
3240  ret = AVERROR(EINVAL);
3241  } else if (input_filename) {
3242  ret = probe_file(wctx, input_filename);
3243  if (ret < 0 && do_show_error)
3244  show_error(wctx, ret);
3245  }
3246 
3247  writer_print_section_footer(wctx);
3248  writer_close(&wctx);
3249  }
3250 
3251 end:
3252  av_freep(&print_format);
3253  av_freep(&read_intervals);
3254  av_hash_freep(&hash);
3255 
3256  uninit_opts();
3257  for (i = 0; i < FF_ARRAY_ELEMS(sections); i++)
3258  av_dict_free(&(sections[i].entries_to_show));
3259 
3260  avformat_network_deinit();
3261 
3262  return ret < 0;
3263 }
AVFormatContext::nb_chapters
unsigned int nb_chapters
Number of chapters in AVChapter array.
Definition: avformat.h:1471
Writer::init
int(* init)(WriterContext *wctx)
Definition: ffprobe.c:315
AV_CODEC_ID_PROBE
codec_id is not known (like AV_CODEC_ID_NONE) but lavf should attempt to identify it ...
Definition: avcodec.h:542
WriterContext::section
const struct section * section[SECTION_MAX_NB_LEVELS]
section per each level
Definition: ffprobe.c:343
NULL
#define NULL
Definition: coverity.c:32
AVCodecContext::codec
const struct AVCodec * codec
Definition: avcodec.h:1250
val
const char const char void * val
Definition: avisynth_c.h:634
value_string
static char * value_string(char *buf, int buf_size, struct unit_value uv)
Definition: ffprobe.c:243
do_show_program_tags
static int do_show_program_tags
Definition: ffprobe.c:78
s
const char * s
Definition: avisynth_c.h:631
WriterContext::nb_item
unsigned int nb_item[SECTION_MAX_NB_LEVELS]
number of the item printed in the given section, starting from 0
Definition: ffprobe.c:340
AVERROR_INVALIDDATA
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
Definition: error.h:59
show_tags
static int show_tags(WriterContext *w, AVDictionary *tags, int section_id)
Definition: ffprobe.c:1717
OPT_EXPERT
#define OPT_EXPERT
Definition: cmdutils.h:163
AV_CODEC_ID_NONE
Definition: avcodec.h:103
avio_size
int64_t avio_size(AVIOContext *s)
Get the filesize.
Definition: aviobuf.c:281
av_bprintf
void av_bprintf(AVBPrint *buf, const char *fmt,...)
Definition: bprint.c:94
av_frame_get_pkt_duration
int64_t av_frame_get_pkt_duration(const AVFrame *frame)
DefaultContext::nested_section
int nested_section[SECTION_MAX_NB_LEVELS]
Definition: ffprobe.c:803
av_frame_get_pkt_size
int av_frame_get_pkt_size(const AVFrame *frame)
av_free_packet
void av_free_packet(AVPacket *pkt)
Free a packet.
Definition: avpacket.c:280
AVFrame
This structure describes decoded (raw) audio or video data.
Definition: frame.h:171
json_print_int
static void json_print_int(WriterContext *wctx, const char *key, long long int value)
Definition: ffprobe.c:1468
default_print_section_header
static void default_print_section_header(WriterContext *wctx)
Definition: ffprobe.c:829
writer_register
static int writer_register(const Writer *writer)
Definition: ffprobe.c:761
AVOption
AVOption.
Definition: opt.h:255
data
ptrdiff_t const GLvoid * data
Definition: opengl_enc.c:101
print_ts
#define print_ts(k, v)
Definition: ffprobe.c:1696
opt_input_file_i
static int opt_input_file_i(void *optctx, const char *opt, const char *arg)
Definition: ffprobe.c:2855
opt_format
static int opt_format(void *optctx, const char *opt, const char *arg)
Definition: ffprobe.c:2735
XMLContext::within_tag
int within_tag
Definition: ffprobe.c:1499
SHOW_LIB_VERSION
#define SHOW_LIB_VERSION(libname, LIBNAME)
Definition: ffprobe.c:2654
id
enum AVCodecID id
Definition: mxfenc.c:99
OPT_VIDEO
#define OPT_VIDEO
Definition: cmdutils.h:165
AVCodecContext::coded_width
int coded_width
Bitstream width / height, may be different from width/height e.g.
Definition: avcodec.h:1424
writer_print_rational
static void writer_print_rational(WriterContext *wctx, const char *key, AVRational q, char sep)
Definition: ffprobe.c:653
Writer::print_string
void(* print_string)(WriterContext *wctx, const char *, const char *)
Definition: ffprobe.c:322
opt_show_format_entry
static int opt_show_format_entry(void *optctx, const char *opt, const char *arg)
Definition: ffprobe.c:2829
unit_hertz_str
static const char unit_hertz_str[]
Definition: ffprobe.c:222
AV_LOG_WARNING
#define AV_LOG_WARNING
Something somehow does not look correct.
Definition: log.h:182
FlatContext::sep_str
const char * sep_str
Definition: ffprobe.c:1109
decimal_unit_prefixes
static const char *const decimal_unit_prefixes[]
Definition: ffprobe.c:219
LIBAVUTIL_VERSION_INT
#define LIBAVUTIL_VERSION_INT
Definition: version.h:62
AVPacket::pos
int64_t pos
byte position in stream, -1 if unknown
Definition: avcodec.h:1187
avformat_open_input
int avformat_open_input(AVFormatContext **ps, const char *filename, AVInputFormat *fmt, AVDictionary **options)
Open an input stream and read the header.
Definition: utils.c:402
xml_escape_str
static const char * xml_escape_str(AVBPrint *dst, const char *src, void *log_ctx)
Definition: ffprobe.c:1546
AV_DICT_DONT_OVERWRITE
#define AV_DICT_DONT_OVERWRITE
Don't overwrite existing entries.
Definition: dict.h:81
av_parse_time
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:554
json_print_section_footer
static void json_print_section_footer(WriterContext *wctx)
Definition: ffprobe.c:1423
writer_close
static void writer_close(WriterContext **wctx)
Definition: ffprobe.c:393
init
static av_cold int init(AVCodecContext *avctx)
Definition: avrndec.c:35
AV_OPT_TYPE_INT
Definition: opt.h:223
do_show_data
static int do_show_data
Definition: ffprobe.c:68
read_intervals_nb
static int read_intervals_nb
Definition: ffprobe.c:100
av_get_bits_per_pixel
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:2042
writer_print_integer
static void writer_print_integer(WriterContext *wctx, const char *key, long long int val)
Definition: ffprobe.c:548
do_show_stream_tags
static int do_show_stream_tags
Definition: ffprobe.c:79
ini_escape_str
static char * ini_escape_str(AVBPrint *dst, const char *src)
Definition: ffprobe.c:1247
av_guess_sample_aspect_ratio
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:4188
av_opt_set_defaults
void av_opt_set_defaults(void *s)
Set the values of all AVOption fields to their default values.
Definition: opt.c:1178
OPT_AUDIO
#define OPT_AUDIO
Definition: cmdutils.h:166
fmt_ctx
static AVFormatContext * fmt_ctx
Definition: demuxing_decoding.c:37
print_format
static char * print_format
Definition: ffprobe.c:87
AVCodecContext::color_range
enum AVColorRange color_range
MPEG vs JPEG YUV range.
Definition: avcodec.h:1960
json_writer
static const Writer json_writer
Definition: ffprobe.c:1483
AVRational::num
int num
numerator
Definition: rational.h:44
AVFrame::repeat_pict
int repeat_pict
When decoding, this signals how much the picture must be delayed.
Definition: frame.h:362
AVStream::index
int index
stream index in AVFormatContext
Definition: avformat.h:843
AVPacket::size
int size
Definition: avcodec.h:1163
writer_options
static const AVOption writer_options[]
Definition: ffprobe.c:364
writer_print_integers
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:731
print_str_opt
#define print_str_opt(k, v)
Definition: ffprobe.c:1693
Writer::print_integer
void(* print_integer)(WriterContext *wctx, const char *, long long int)
Definition: ffprobe.c:320
close_input_file
static void close_input_file(AVFormatContext **ctx_ptr)
Definition: ffprobe.c:2540
section::show_all_entries
int show_all_entries
Definition: ffprobe.c:119
show_banner
void show_banner(int argc, char **argv, const OptionDef *options)
Print the program banner to stderr.
Definition: cmdutils.c:1130
av_timecode_make_mpeg_tc_string
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
AVCodecContext::pix_fmt
enum AVPixelFormat pix_fmt
Pixel format, see AV_PIX_FMT_xxx.
Definition: avcodec.h:1444
writer_class
static const AVClass writer_class
Definition: ffprobe.c:385
do_show_packets
static int do_show_packets
Definition: ffprobe.c:64
AVSubtitle::num_rects
unsigned num_rects
Definition: avcodec.h:3511
do_show_format_tags
static int do_show_format_tags
Definition: ffprobe.c:76
show_program
static int show_program(WriterContext *w, AVFormatContext *fmt_ctx, AVProgram *program)
Definition: ffprobe.c:2347
AVS_Value
Definition: avisynth_c.h:462
writer_open
static int writer_open(WriterContext **wctx, const Writer *writer, const char *args, const struct section *sections, int nb_sections)
Definition: ffprobe.c:420
Writer::uninit
void(* uninit)(WriterContext *wctx)
Definition: ffprobe.c:316
avdevice_register_all
void avdevice_register_all(void)
Initialize libavdevice and register all the input and output devices.
Definition: alldevices.c:40
bprint_bytes
static void bprint_bytes(AVBPrint *bp, const uint8_t *ubuf, size_t ubuf_size)
Definition: ffprobe.c:411
av_get_codec_tag_string
size_t av_get_codec_tag_string(char *buf, size_t buf_size, unsigned int codec_tag)
Put a string representing the codec tag codec_tag in buf.
Definition: utils.c:2990
FF_ARRAY_ELEMS
#define FF_ARRAY_ELEMS(a)
Definition: sinewin_tablegen.c:28
json_print_item_str
static void json_print_item_str(WriterContext *wctx, const char *key, const char *value)
Definition: ffprobe.c:1445
CompactContext::escape_mode_str
char * escape_mode_str
Definition: ffprobe.c:953
default_writer
static const Writer default_writer
Definition: ffprobe.c:885
AVStream::side_data
AVPacketSideData * side_data
An array of side data that applies to the whole stream (i.e.
Definition: avformat.h:954
show_frame
static void show_frame(WriterContext *w, AVFrame *frame, AVStream *stream, AVFormatContext *fmt_ctx)
Definition: ffprobe.c:1813
json_escape_str
static const char * json_escape_str(AVBPrint *dst, const char *src, void *log_ctx)
Definition: ffprobe.c:1363
pkt
static AVPacket pkt
Definition: demuxing_decoding.c:54
xml_print_section_footer
static void xml_print_section_footer(WriterContext *wctx)
Definition: ffprobe.c:1606
AVCodecContext::bits_per_raw_sample
int bits_per_raw_sample
Bits per sample/pixel of internal libavcodec pixel/sample format.
Definition: avcodec.h:2727
mark_section_show_entries
static void mark_section_show_entries(SectionID section_id, int show_all_entries, AVDictionary *entries)
Definition: ffprobe.c:2745
do_show_error
static int do_show_error
Definition: ffprobe.c:61
avcodec_decode_subtitle2
int avcodec_decode_subtitle2(AVCodecContext *avctx, AVSubtitle *sub, int *got_sub_ptr, AVPacket *avpkt)
Decode a subtitle message.
Definition: utils.c:2730
AVChapter::metadata
AVDictionary * metadata
Definition: avformat.h:1239
nb_streams_frames
static uint64_t * nb_streams_frames
Definition: ffprobe.c:228
AVCodecContext::profile
int profile
profile
Definition: avcodec.h:2835
CompactContext::has_nested_elems
int has_nested_elems[SECTION_MAX_NB_LEVELS]
Definition: ffprobe.c:956
validate_string
static int validate_string(WriterContext *wctx, char **dstp, const char *src)
Definition: ffprobe.c:559
AVCodec
AVCodec.
Definition: avcodec.h:3181
AVPixFmtDescriptor::log2_chroma_w
uint8_t log2_chroma_w
Amount to shift the luma width right to find the chroma width.
Definition: pixdesc.h:80
filter_codec_opts
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:1994
av_bprint_finalize
int av_bprint_finalize(AVBPrint *buf, char **ret_str)
Finalize a print buffer.
Definition: bprint.c:235
do_count_frames
static int do_count_frames
Definition: ffprobe.c:56
SECTION_MAX_NB_LEVELS
#define SECTION_MAX_NB_LEVELS
Definition: ffprobe.c:326
writer_child_next
static void * writer_child_next(void *obj, void *prev)
Definition: ffprobe.c:377
XMLContext::indent_level
int indent_level
Definition: ffprobe.c:1500
ReadInterval::end_is_offset
int end_is_offset
Definition: ffprobe.c:95
log2
#define log2(x)
Definition: libm.h:122
default_options
static const AVOption default_options[]
Definition: ffprobe.c:809
AVCodecContext::time_base
AVRational time_base
This is the fundamental unit of time (in seconds) in terms of which frame timestamps are represented...
Definition: avcodec.h:1369
AV_DICT_DONT_STRDUP_KEY
#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:75
AVFMT_SHOW_IDS
#define AVFMT_SHOW_IDS
Show format stream IDs numbers.
Definition: avformat.h:467
CompactContext::escape_str
const char *(* escape_str)(AVBPrint *dst, const char *src, const char sep, void *log_ctx)
Definition: ffprobe.c:954
AVFormatContext
Format I/O context.
Definition: avformat.h:1272
OFFSET
#define OFFSET(x)
Definition: ffprobe.c:1506
AVProgram::nb_stream_indexes
unsigned int nb_stream_indexes
Definition: avformat.h:1210
section::element_name
const char * element_name
name of the contained element, if provided
Definition: ffprobe.c:116
writer_print_section_header
static void writer_print_section_header(WriterContext *wctx, int section_id)
Definition: ffprobe.c:507
compact_print_section_footer
static void compact_print_section_footer(WriterContext *wctx)
Definition: ffprobe.c:1029
AVClass::class_name
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
av_assert0
#define av_assert0(cond)
assert() equivalent, that is always enabled.
Definition: avassert.h:37
dict.h
Public dictionary API.
AVOption::name
const char * name
Definition: opt.h:256
AV_OPT_TYPE_CONST
Definition: opt.h:231
WriterContext::nb_section_packet
unsigned int nb_section_packet
number of the packet section in case we are in "packets_and_frames" section
Definition: ffprobe.c:347
PLANAR
#define PLANAR
Definition: flacdsp.c:43
ini_print_section_header
static void ini_print_section_header(WriterContext *wctx)
Definition: ffprobe.c:1274
print_duration_ts
#define print_duration_ts(k, v)
Definition: ffprobe.c:1698
DEFAULT
#define DEFAULT
Definition: avdct.c:28
register_exit
void register_exit(void(*cb)(int ret))
Register a program-specific cleanup routine.
Definition: cmdutils.c:118
AVPixFmtDescriptor::comp
AVComponentDescriptor comp[4]
Parameters that describe how pixels are packed.
Definition: pixdesc.h:100
AVCodecContext::sample_fmt
enum AVSampleFormat sample_fmt
audio sample format
Definition: avcodec.h:1993
log_callback_help
void log_callback_help(void *ptr, int level, const char *fmt, va_list vl)
Trivial log callback.
Definition: cmdutils.c:95
uint8_t
uint8_t
Definition: audio_convert.c:194
nb_streams
static int nb_streams
Definition: ffprobe.c:226
av_cold
#define av_cold
Definition: attributes.h:74
av_frame_alloc
AVFrame * av_frame_alloc(void)
Allocate an AVFrame and set its fields to default values.
Definition: frame.c:135
do_read_packets
static int do_read_packets
Definition: ffprobe.c:59
opt_default
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:533
opt_read_intervals
static int opt_read_intervals(void *optctx, const char *opt, const char *arg)
Definition: ffprobe.c:3005
AV_HASH_MAX_SIZE
#define AV_HASH_MAX_SIZE
Maximum value that av_hash_get_size will currently return.
Definition: hash.h:61
do_show_pixel_format_components
static int do_show_pixel_format_components
Definition: ffprobe.c:73
selected_streams
static int * selected_streams
Definition: ffprobe.c:229
opt.h
AVOptions.
AVInputFormat::flags
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:642
HAS_ARG
#define HAS_ARG
Definition: cmdutils.h:161
timestamp.h
timestamp utils, mostly useful for debugging/logging purposes
flat_escape_value_str
static const char * flat_escape_value_str(AVBPrint *dst, const char *src)
Definition: ffprobe.c:1156
writer_print_time
static void writer_print_time(WriterContext *wctx, const char *key, int64_t ts, const AVRational *time_base, int is_duration)
Definition: ffprobe.c:662
av_color_range_name
const char * av_color_range_name(enum AVColorRange range)
Definition: pixdesc.c:2400
end
static av_cold int end(AVCodecContext *avctx)
Definition: avrndec.c:67
AVChapter::id
int id
unique ID to identify the chapter
Definition: avformat.h:1236
compact_init
static av_cold int compact_init(WriterContext *wctx)
Definition: ffprobe.c:977
AV_PKT_DATA_DISPLAYMATRIX
This side data contains a 3x3 transformation matrix describing an affine transformation that needs to...
Definition: avcodec.h:1032
CHECK_END
#define CHECK_END
AVStream::id
int id
Format-specific stream ID.
Definition: avformat.h:849
do_show_library_versions
static int do_show_library_versions
Definition: ffprobe.c:70
compact_print_section_header
static void compact_print_section_header(WriterContext *wctx)
Definition: ffprobe.c:999
av_hash_init
void av_hash_init(AVHashContext *ctx)
Initialize or reset a hash context.
Definition: hash.c:137
ERROR
#define ERROR(...)
Definition: ffserver_config.c:45
avformat_match_stream_specifier
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:4232
AVStream::nb_side_data
int nb_side_data
The number of elements in the AVStream.side_data array.
Definition: avformat.h:958
match_section
static int match_section(const char *section_name, int show_all_entries, AVDictionary *entries)
Definition: ffprobe.c:2760
AVCodecContext::extradata
uint8_t * extradata
some codecs need / can use extradata like Huffman tables.
Definition: avcodec.h:1355
AVProgram::pmt_pid
int pmt_pid
Definition: avformat.h:1214
init_opts
void init_opts(void)
Initialize the cmdutils option system, in particular allocate the *_opts contexts.
Definition: cmdutils.c:74
AVFormatContext::streams
AVStream ** streams
A list of all streams in the file.
Definition: avformat.h:1340
av_bprint_append_data
void av_bprint_append_data(AVBPrint *buf, const char *data, unsigned size)
Append data to a print buffer.
Definition: bprint.c:158
frame
static AVFrame * frame
Definition: demuxing_decoding.c:53
writer_print_data_hash
static void writer_print_data_hash(WriterContext *wctx, const char *name, uint8_t *data, int size)
Definition: ffprobe.c:716
section::name
const char * name
Definition: ffprobe.c:108
AVFrameSideData
Structure to hold side data for an AVFrame.
Definition: frame.h:134
json_options
static const AVOption json_options[]
Definition: ffprobe.c:1345
log_read_interval
static void log_read_interval(const ReadInterval *interval, void *log_ctx, int log_level)
Definition: ffprobe.c:1951
av_q2d
static double av_q2d(AVRational a)
Convert rational to double.
Definition: rational.h:80
binary_unit_prefixes
static const char *const binary_unit_prefixes[]
Definition: ffprobe.c:218
writer_get_name
static const char * writer_get_name(void *p)
Definition: ffprobe.c:356
av_dict_get
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:39
AV_OPT_TYPE_STRING
Definition: opt.h:227
PRINT_DISPOSITION
#define PRINT_DISPOSITION(flagname, name)
AVPacket::data
uint8_t * data
Definition: avcodec.h:1162
StringValidation
StringValidation
Definition: ffprobe.c:303
parse_options
void parse_options(void *optctx, int argc, char **argv, const OptionDef *options, void(*parse_arg_function)(void *, const char *))
Definition: cmdutils.c:371
SECTION_MAX_NB_CHILDREN
#define SECTION_MAX_NB_CHILDREN
Definition: ffprobe.c:104
tag
uint32_t tag
Definition: movenc.c:1333
avformat_network_init
int avformat_network_init(void)
Do global initialization of network components.
Definition: utils.c:4123
av_get_picture_type_char
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:84
Writer::priv_class
const AVClass * priv_class
private class of the writer, if any
Definition: ffprobe.c:311
AV_LOG_VERBOSE
#define AV_LOG_VERBOSE
Detailed information.
Definition: log.h:192
ReadInterval::has_end
int has_end
Definition: ffprobe.c:94
AVPacketSideData::data
uint8_t * data
Definition: avcodec.h:1112
check_section_show_entries
static int check_section_show_entries(int section_id)
Definition: ffprobe.c:3117
AVFrame::interlaced_frame
int interlaced_frame
The content of the picture is interlaced.
Definition: frame.h:367
avformat_get_class
const AVClass * avformat_get_class(void)
Get the AVClass for AVFormatContext.
Definition: options.c:130
print_section
static void print_section(SectionID id, int level)
Definition: ffprobe.c:3019
parse_loglevel
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:494
swscale.h
external API header
Writer::print_section_footer
void(* print_section_footer)(WriterContext *wctx)
Definition: ffprobe.c:319
av_frame_get_best_effort_timestamp
int64_t av_frame_get_best_effort_timestamp(const AVFrame *frame)
Accessors for some AVFrame fields.
size
ptrdiff_t size
Definition: opengl_enc.c:101
show_help_default
void show_help_default(const char *opt, const char *arg)
Per-fftool specific help handler.
Definition: ffprobe.c:2861
show_help_options
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:164
c_escape_str
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:901
writer_register_all
static void writer_register_all(void)
Definition: ffprobe.c:1667
xml_print_str
static void xml_print_str(WriterContext *wctx, const char *key, const char *value)
Definition: ffprobe.c:1625
section::children_ids
int children_ids[SECTION_MAX_NB_CHILDREN+1]
list of children section IDS, terminated by -1
Definition: ffprobe.c:115
AVFrame::nb_side_data
int nb_side_data
Definition: frame.h:462
AVPacket::duration
int duration
Duration of this packet in AVStream->time_base units, 0 if unknown.
Definition: avcodec.h:1180
av_dict_copy
void av_dict_copy(AVDictionary **dst, const AVDictionary *src, int flags)
Copy entries from one AVDictionary struct into another.
Definition: dict.c:213
AVCodecContext::chroma_sample_location
enum AVChromaLocation chroma_sample_location
This defines the location of chroma samples.
Definition: avcodec.h:1967
input_filename
static const char * input_filename
Definition: ffprobe.c:213
AVProgram::stream_index
unsigned int * stream_index
Definition: avformat.h:1209
json_print_section_header
static void json_print_section_header(WriterContext *wctx)
Definition: ffprobe.c:1385
AVFrame::side_data
AVFrameSideData ** side_data
Definition: frame.h:461
av_log
#define av_log(a,...)
Definition: tableprint_vlc.h:28
CompactContext::print_section
int print_section
Definition: ffprobe.c:952
ffprobe_show_program_version
static void ffprobe_show_program_version(WriterContext *w)
Definition: ffprobe.c:2638
read_packets
static int read_packets(WriterContext *w, AVFormatContext *fmt_ctx)
Definition: ffprobe.c:2080
do_show_chapter_tags
static int do_show_chapter_tags
Definition: ffprobe.c:75
AVPixFmtDescriptor::name
const char * name
Definition: pixdesc.h:70
AVProgram::start_time
int64_t start_time
Definition: avformat.h:1224
setup_find_stream_info_opts
AVDictionary ** setup_find_stream_info_opts(AVFormatContext *s, AVDictionary *codec_opts)
Setup AVCodecContext options for avformat_find_stream_info().
Definition: cmdutils.c:2051
AV_PKT_FLAG_KEY
#define AV_PKT_FLAG_KEY
The packet contains a keyframe.
Definition: avcodec.h:1208
format_opts
AVDictionary * format_opts
Definition: cmdutils.c:68
INIContext::hierarchical
int hierarchical
Definition: ffprobe.c:1233
do_show_frames
static int do_show_frames
Definition: ffprobe.c:63
av_x_if_null
static void * av_x_if_null(const void *p, const void *x)
Return x default pointer in case p is NULL.
Definition: avutil.h:301
av_rescale_q
int64_t av_rescale_q(int64_t a, AVRational bq, AVRational cq)
Rescale a 64-bit integer by 2 rational numbers.
Definition: mathematics.c:140
show_chapters
static int show_chapters(WriterContext *w, AVFormatContext *fmt_ctx)
Definition: ffprobe.c:2398
ReadInterval::id
int id
identifier
Definition: ffprobe.c:92
av_dump_format
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:477
avdevice.h
Main libavdevice API header.
U
#define U(x)
Definition: vp56_arith.h:37
do_show_chapters
static int do_show_chapters
Definition: ffprobe.c:60
avcodec_close
int avcodec_close(AVCodecContext *avctx)
Close a given AVCodecContext and free all the data associated with it (but not the AVCodecContext its...
Definition: utils.c:2843
WriterContext::string_validation_replacement
char * string_validation_replacement
Definition: ffprobe.c:352
unit_value::d
double d
Definition: ffprobe.c:239
swresample.h
libswresample public header
opt_show_versions
static int opt_show_versions(const char *opt, const char *arg)
Definition: ffprobe.c:3048
av_chroma_location_name
const char * av_chroma_location_name(enum AVChromaLocation location)
Definition: pixdesc.c:2424
unit_byte_str
static const char unit_byte_str[]
Definition: ffprobe.c:223
AVComponentDescriptor::depth_minus1
uint16_t depth_minus1
Number of bits in the component minus 1.
Definition: pixdesc.h:57
program_birth_year
const int program_birth_year
program birth year, defined by the program for show_banner()
Definition: ffprobe.c:53
WriterContext::level
int level
current level, starting from 0
Definition: ffprobe.c:337
AVFrame::width
int width
width and height of the video frame
Definition: frame.h:220
AV_LOG_ERROR
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:176
section::entries_to_show
AVDictionary * entries_to_show
Definition: ffprobe.c:118
do_show_pixel_format_flags
static int do_show_pixel_format_flags
Definition: ffprobe.c:72
AV_DICT_MATCH_CASE
#define AV_DICT_MATCH_CASE
Only get an entry with exact-case key match.
Definition: dict.h:71
AVFormatContext::metadata
AVDictionary * metadata
Metadata that applies to the whole file.
Definition: avformat.h:1482
av_get_bits_per_sample
int av_get_bits_per_sample(enum AVCodecID codec_id)
Return codec bits per sample.
Definition: utils.c:3318
AVCodecContext::has_b_frames
int has_b_frames
Size of the frame reordering buffer in the decoder.
Definition: avcodec.h:1533
AVPixFmtDescriptor::log2_chroma_h
uint8_t log2_chroma_h
Amount to shift the luma height right to find the chroma height.
Definition: pixdesc.h:89
avcodec_decode_video2
int avcodec_decode_video2(AVCodecContext *avctx, AVFrame *picture, int *got_picture_ptr, const AVPacket *avpkt)
Decode the video frame of size avpkt->size from avpkt->data into picture.
Definition: utils.c:2352
AV_BPRINT_SIZE_UNLIMITED
#define AV_BPRINT_SIZE_UNLIMITED
XMLContext::xsd_strict
int xsd_strict
Definition: ffprobe.c:1502
print_int
#define print_int(k, v)
Definition: ffprobe.c:1690
av_utf8_decode
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:360
opt_input_file
static void opt_input_file(void *optctx, const char *arg)
Definition: ffprobe.c:2842
profile
int profile
Definition: mxfenc.c:1804
opt_pretty
static int opt_pretty(void *optctx, const char *opt, const char *arg)
Definition: ffprobe.c:3010
dstp
BYTE * dstp
Definition: avisynth_c.h:676
AVERROR
#define AVERROR(e)
Definition: error.h:43
SET_DO_SHOW
#define SET_DO_SHOW(id, varname)
Definition: ffprobe.c:3129
Writer::priv_size
int priv_size
private size for the writer context
Definition: ffprobe.c:312
AV_PIX_FMT_FLAG_RGB
#define AV_PIX_FMT_FLAG_RGB
The pixel format contains RGB-like data (as opposed to YUV/grayscale).
Definition: pixdesc.h:131
av_frame_free
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
Definition: frame.c:148
av_ts2timestr
#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
xml_options
static const AVOption xml_options[]
Definition: ffprobe.c:1508
av_bprint_init
void av_bprint_init(AVBPrint *buf, unsigned size_init, unsigned size_max)
Definition: bprint.c:69
SECTION_FLAG_HAS_VARIABLE_FIELDS
#define SECTION_FLAG_HAS_VARIABLE_FIELDS
the section may contain a variable number of fields with variable keys.
Definition: ffprobe.c:112
AVPacket::convergence_duration
int64_t convergence_duration
Time difference in AVStream->time_base units from the pts of this packet to the point at which the ou...
Definition: avcodec.h:1206
AV_LOG_DEBUG
#define AV_LOG_DEBUG
Stuff which is only useful for libav* developers.
Definition: log.h:197
AVFormatContext::nb_programs
unsigned int nb_programs
Definition: avformat.h:1421
unit_value
Definition: ffprobe.c:238
ReadInterval::start_is_offset
int start_is_offset
Definition: ffprobe.c:95
av_dict_free
void av_dict_free(AVDictionary **pm)
Free all the memory allocated for an AVDictionary struct and all keys and values. ...
Definition: dict.c:199
arg
const char * arg
Definition: jacosubdec.c:66
CompactContext::nested_section
int nested_section[SECTION_MAX_NB_LEVELS]
Definition: ffprobe.c:955
AVFormatContext::chapters
AVChapter ** chapters
Definition: avformat.h:1472
print_q
#define print_q(k, v, s)
Definition: ffprobe.c:1691
default_print_int
static void default_print_int(WriterContext *wctx, const char *key, long long int value)
Definition: ffprobe.c:876
AV_LOG_SKIP_REPEATED
#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:342
AVMEDIA_TYPE_AUDIO
Definition: avutil.h:195
json_init
static av_cold int json_init(WriterContext *wctx)
Definition: ffprobe.c:1353
AVCodecContext::rc_max_rate
int rc_max_rate
maximum bitrate
Definition: avcodec.h:2327
avassert.h
simple assert() macros that are a bit more flexible than ISO C assert().
AVPacketSideData::type
enum AVPacketSideDataType type
Definition: avcodec.h:1114
JSON_INDENT
#define JSON_INDENT()
Definition: ffprobe.c:1383
AVCodec::name
const char * name
Name of the codec implementation.
Definition: avcodec.h:3188
AVPacket::side_data_elems
int side_data_elems
Definition: avcodec.h:1174
av_get_sample_fmt_name
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:47
flat_print_str
static void flat_print_str(WriterContext *wctx, const char *key, const char *value)
Definition: ffprobe.c:1205
section::id
int id
unique id identifying a section
Definition: ffprobe.c:107
AVCodecDescriptor::long_name
const char * long_name
A more descriptive name for this codec.
Definition: avcodec.h:572
offset
static const uint8_t offset[127][2]
Definition: vf_spp.c:92
AVStream::avg_frame_rate
AVRational avg_frame_rate
Average framerate.
Definition: avformat.h:925
AVProgram
New fields can be added to the end with minor version bumps.
Definition: avformat.h:1205
avcodec.h
Libavcodec external API header.
parse_read_intervals
static int parse_read_intervals(const char *intervals_spec)
Definition: ffprobe.c:2957
av_get_token
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
AVProgram::program_num
int program_num
Definition: avformat.h:1213
unit_value::unit
const char * unit
Definition: ffprobe.c:240
AVPacket::flags
int flags
A combination of AV_PKT_FLAG values.
Definition: avcodec.h:1168
av_color_primaries_name
const char * av_color_primaries_name(enum AVColorPrimaries primaries)
Definition: pixdesc.c:2406
avcodec_descriptor_get
const AVCodecDescriptor * avcodec_descriptor_get(enum AVCodecID id)
Definition: codec_desc.c:2891
WriterContext::priv
void * priv
private data for use by the filter
Definition: ffprobe.c:332
AVCodecContext::channel_layout
uint64_t channel_layout
Audio channel layout.
Definition: avcodec.h:2046
AVSubtitle::end_display_time
uint32_t end_display_time
Definition: avcodec.h:3510
WriterContext::name
char * name
name of this writer instance
Definition: ffprobe.c:331
AVSubtitle::pts
int64_t pts
Same as packet pts, in AV_TIME_BASE.
Definition: avcodec.h:3513
AVStream::codec
AVCodecContext * codec
Codec context associated with this stream.
Definition: avformat.h:861
av_reduce
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
av_asprintf
char * av_asprintf(const char *fmt,...)
Definition: avstring.c:113
SECTION_FLAG_IS_WRAPPER
#define SECTION_FLAG_IS_WRAPPER
the section only contains other sections, but has no data at its own level
Definition: ffprobe.c:110
AVFormatContext::nb_streams
unsigned int nb_streams
Number of elements in AVFormatContext.streams.
Definition: avformat.h:1328
writer_print_data
static void writer_print_data(WriterContext *wctx, const char *name, uint8_t *data, int size)
Definition: ffprobe.c:688
AVCodecContext::refs
int refs
number of reference frames
Definition: avcodec.h:1901
read_intervals
static ReadInterval * read_intervals
Definition: ffprobe.c:99
av_find_input_format
AVInputFormat * av_find_input_format(const char *short_name)
Find AVInputFormat based on the short name of the input format.
Definition: format.c:160
AVPixFmtDescriptor::nb_components
uint8_t nb_components
The number of components each pixel has, (1-4)
Definition: pixdesc.h:71
WriterContext::section_pbuf
AVBPrint section_pbuf[SECTION_MAX_NB_LEVELS]
generic print buffer dedicated to each section, used by various writers
Definition: ffprobe.c:344
av_opt_next
const AVOption * av_opt_next(FF_CONST_AVUTIL55 void *obj, const AVOption *last)
Iterate over all AVOptions belonging to obj.
Definition: opt.c:51
AVCodecContext::bit_rate
int bit_rate
the average bitrate
Definition: avcodec.h:1305
print_section_footer
#define print_section_footer(s)
Definition: ffprobe.c:1707
AVCodecContext::timecode_frame_start
int64_t timecode_frame_start
GOP timecode frame start number.
Definition: avcodec.h:2455
csv_escape_str
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:924
AVFrame::pict_type
enum AVPictureType pict_type
Picture type of the frame.
Definition: frame.h:242
AVFormatContext::filename
char filename[1024]
input or output filename
Definition: avformat.h:1348
unit_bit_per_second_str
static const char unit_bit_per_second_str[]
Definition: ffprobe.c:224
registered_writers
static const Writer * registered_writers[MAX_REGISTERED_WRITERS_NB+1]
Definition: ffprobe.c:759
AV_UTF8_FLAG_EXCLUDE_XML_INVALID_CONTROL_CODES
#define AV_UTF8_FLAG_EXCLUDE_XML_INVALID_CONTROL_CODES
exclude control codes not accepted by XML
Definition: avstring.h:334
FFMIN
#define FFMIN(a, b)
Definition: common.h:66
AVFrame::display_picture_number
int display_picture_number
picture number in display order
Definition: frame.h:278
sections
static struct section sections[]
Definition: ffprobe.c:165
av_log_set_callback
void av_log_set_callback(void(*callback)(void *, int, const char *, va_list))
Set the logging callback.
Definition: log.c:397
av_hash_alloc
int av_hash_alloc(AVHashContext **ctx, const char *name)
Allocate a hash context for the algorithm specified by name.
Definition: hash.c:100
AV_OPT_SEARCH_CHILDREN
#define AV_OPT_SEARCH_CHILDREN
Search in possible children of the given object first.
Definition: opt.h:602
cmdutils_common_opts.h
do_read_frames
static int do_read_frames
Definition: ffprobe.c:58
ret
ret
Definition: avfilter.c:974
AVCodecContext::width
int width
picture width / height.
Definition: avcodec.h:1414
PRINT_PIX_FMT_FLAG
#define PRINT_PIX_FMT_FLAG(flagname, name)
Definition: ffprobe.c:2683
void
typedef void(APIENTRY *FF_PFNGLACTIVETEXTUREPROC)(GLenum texture)
value
GLsizei GLboolean const GLfloat * value
Definition: opengl_enc.c:109
print_fmt
#define print_fmt(k, f,...)
Definition: ffprobe.c:1684
WriterContext::string_validation
int string_validation
Definition: ffprobe.c:351
ffprobe_show_pixel_formats
static void ffprobe_show_pixel_formats(WriterContext *w)
Definition: ffprobe.c:2688
show_usage
static void show_usage(void)
Definition: ffprobe.c:2631
av_err2str
#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
int32_t
Definition: audio_convert.c:194
FlatContext::sep
char sep
Definition: ffprobe.c:1110
av_hash_get_name
const char * av_hash_get_name(const AVHashContext *ctx)
Definition: hash.c:90
AVCodecContext::color_primaries
enum AVColorPrimaries color_primaries
Chromaticity coordinates of the source primaries.
Definition: avcodec.h:1939
show_private_data
static int show_private_data
Definition: ffprobe.c:85
probe_file
static int probe_file(WriterContext *wctx, const char *filename)
Definition: ffprobe.c:2553
OPT_EXIT
#define OPT_EXIT
Definition: cmdutils.h:171
show_programs
static int show_programs(WriterContext *w, AVFormatContext *fmt_ctx)
Definition: ffprobe.c:2381
xml_init
static av_cold int xml_init(WriterContext *wctx)
Definition: ffprobe.c:1518
AVSubtitle::format
uint16_t format
Definition: avcodec.h:3508
WriterContext::nb_sections
int nb_sections
number of sections
Definition: ffprobe.c:335
AVCodecContext::level
int level
level
Definition: avcodec.h:2925
avcodec_decode_audio4
int avcodec_decode_audio4(AVCodecContext *avctx, AVFrame *frame, int *got_frame_ptr, const AVPacket *avpkt)
Decode the audio frame of size avpkt->size from avpkt->data into frame.
Definition: utils.c:2498
WriterContext::sections
const struct section * sections
array containing all sections
Definition: ffprobe.c:334
flat_writer
static const Writer flat_writer
Definition: ffprobe.c:1218
av_hash_freep
void av_hash_freep(AVHashContext **ctx)
Free hash context.
Definition: hash.c:234
flat_print_int
static void flat_print_int(WriterContext *wctx, const char *key, long long int value)
Definition: ffprobe.c:1200
opt_sections
static int opt_sections(void *optctx, const char *opt, const char *arg)
Definition: ffprobe.c:3036
n
int n
Definition: avisynth_c.h:547
AVStream::metadata
AVDictionary * metadata
Definition: avformat.h:916
do_show_programs
static int do_show_programs
Definition: ffprobe.c:65
real_options
static const OptionDef real_options[]
Definition: ffprobe.c:3073
WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS
#define WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS
Definition: ffprobe.c:300
av_get_colorspace_name
const char * av_get_colorspace_name(enum AVColorSpace val)
Get the name of a colorspace.
Definition: frame.c:73
do_show_format
static int do_show_format
Definition: ffprobe.c:62
JSONContext::item_start_end
const char * item_start_end
Definition: ffprobe.c:1339
ini_writer
static const Writer ini_writer
Definition: ffprobe.c:1323
AVOption::flags
int flags
Definition: opt.h:284
exit_program
void exit_program(int ret)
Wraps exit with a program-specific cleanup routine.
Definition: cmdutils.c:123
compact_print_str
static void compact_print_str(WriterContext *wctx, const char *key, const char *value)
Definition: ffprobe.c:1039
av_bprint_channel_layout
void av_bprint_channel_layout(struct AVBPrint *bp, int nb_channels, uint64_t channel_layout)
Append a description of a channel layout to a bprint buffer.
Definition: channel_layout.c:189
AVInputFormat::long_name
const char * long_name
Descriptive name for the format, meant to be more human-readable than name.
Definition: avformat.h:635
av_format_get_probe_score
int av_format_get_probe_score(const AVFormatContext *s)
Definition: utils.c:170
AVStream
Stream structure.
Definition: avformat.h:842
program_name
const char program_name[]
program name, defined by the program for show_version().
Definition: ffprobe.c:52
compact_writer
static const Writer compact_writer
Definition: ffprobe.c:1062
compact_print_int
static void compact_print_int(WriterContext *wctx, const char *key, long long int value)
Definition: ffprobe.c:1052
AVChapter::end
int64_t end
chapter start/end time in time_base units
Definition: avformat.h:1238
AVFrame::format
int format
format of the frame, -1 if unknown or unset Values correspond to enum AVPixelFormat for video frames...
Definition: frame.h:232
av_dict_parse_string
int av_dict_parse_string(AVDictionary **pm, const char *str, const char *key_val_sep, const char *pairs_sep, int flags)
Parse the key/value pairs list and add the parsed entries to a dictionary.
Definition: dict.c:176
Writer::name
const char * name
Definition: ffprobe.c:313
ReadInterval::has_start
int has_start
Definition: ffprobe.c:94
av_get_profile_name
const char * av_get_profile_name(const AVCodec *codec, int profile)
Return a name for the specified profile, if available.
Definition: utils.c:3188
avformat_network_deinit
int avformat_network_deinit(void)
Undo the initialization done by avformat_network_init.
Definition: utils.c:4136
postprocess.h
external API header
hash
static struct AVHashContext * hash
Definition: ffprobe.c:216
AVCodec::long_name
const char * long_name
Descriptive name for the codec, meant to be more human readable than name.
Definition: avcodec.h:3193
AVFrame::coded_picture_number
int coded_picture_number
picture number in bitstream order
Definition: frame.h:274
iformat
static AVInputFormat * iformat
Definition: ffprobe.c:214
AV_LOG_INFO
#define AV_LOG_INFO
Standard information.
Definition: log.h:187
WriterContext::nb_section_frame
unsigned int nb_section_frame
number of the frame section in case we are in "packets_and_frames" section
Definition: ffprobe.c:348
AV_BPRINT_SIZE_AUTOMATIC
#define AV_BPRINT_SIZE_AUTOMATIC
src
AVS_Value src
Definition: avisynth_c.h:482
AVProgram::end_time
int64_t end_time
Definition: avformat.h:1225
AVCodecContext::codec_type
enum AVMediaType codec_type
Definition: avcodec.h:1249
av_hash_names
const char * av_hash_names(int i)
Get the names of available hash algorithms.
Definition: hash.c:84
AV_FRAME_DATA_DISPLAYMATRIX
This side data contains a 3x3 transformation matrix describing an affine transformation that needs to...
Definition: frame.h:84
AVCodecContext::codec_id
enum AVCodecID codec_id
Definition: avcodec.h:1258
AV_TIME_BASE_Q
#define AV_TIME_BASE_Q
Internal time base represented as fractional value.
Definition: avutil.h:253
av_strdup
char * av_strdup(const char *s)
Duplicate the string s.
Definition: mem.c:265
timecode.h
Timecode helpers header.
AVCodecContext::sample_rate
int sample_rate
samples per second
Definition: avcodec.h:1985
AVFormatContext::pb
AVIOContext * pb
I/O context.
Definition: avformat.h:1314
XML_INDENT
#define XML_INDENT()
Definition: ffprobe.c:1564
xml_print_int
static void xml_print_int(WriterContext *wctx, const char *key, long long int value)
Definition: ffprobe.c:1648
do_bitexact
static int do_bitexact
Definition: ffprobe.c:55
AVPixFmtDescriptor::flags
uint8_t flags
Definition: pixdesc.h:90
AVPixFmtDescriptor
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
Definition: pixdesc.h:69
AV_RN16
#define AV_RN16(p)
Definition: intreadwrite.h:360
AVCodecContext
main external API structure.
Definition: avcodec.h:1241
avcodec_find_decoder
AVCodec * avcodec_find_decoder(enum AVCodecID id)
Find a registered decoder with a matching codec ID.
Definition: utils.c:2951
xml_writer
static Writer xml_writer
Definition: ffprobe.c:1655
csv_writer
static const Writer csv_writer
Definition: ffprobe.c:1093
show_error
static void show_error(WriterContext *w, int err)
Definition: ffprobe.c:2452
JSONContext::item_sep
const char * item_sep
Definition: ffprobe.c:1339
avsubtitle_free
void avsubtitle_free(AVSubtitle *sub)
Free all allocated data in the given subtitle struct.
Definition: utils.c:2824
ini_print_str
static void ini_print_str(WriterContext *wctx, const char *key, const char *value)
Definition: ffprobe.c:1307
AVCodecContext::codec_tag
unsigned int codec_tag
fourcc (LSB first, so "ABCD" -> ('D'<<24) + ('C'<<16) + ('B'<<8) + 'A').
Definition: avcodec.h:1273
WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER
#define WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER
Definition: ffprobe.c:301
AVFrameSideData::data
uint8_t * data
Definition: frame.h:136
buf
void * buf
Definition: avisynth_c.h:553
WriterContext::nb_section_packet_frame
unsigned int nb_section_packet_frame
nb_section_packet or nb_section_frame according if is_packets_and_frames
Definition: ffprobe.c:349
AVCodecContext::extradata_size
int extradata_size
Definition: avcodec.h:1356
CompactContext::terminate_line
int terminate_line[SECTION_MAX_NB_LEVELS]
Definition: ffprobe.c:957
av_dict_set
int av_dict_set(AVDictionary **pm, const char *key, const char *value, int flags)
Set the given entry in *pm, overwriting an existing entry.
Definition: dict.c:69
libm.h
Replacements for frequently missing libm functions.
av_hash_update
void av_hash_update(AVHashContext *ctx, const uint8_t *src, int len)
Update a hash context with additional data.
Definition: hash.c:158
show_value_unit
static int show_value_unit
Definition: ffprobe.c:81
use_value_sexagesimal_format
static int use_value_sexagesimal_format
Definition: ffprobe.c:84
print_duration_time
#define print_duration_time(k, v, tb)
Definition: ffprobe.c:1697
av_frame_get_metadata
AVDictionary * av_frame_get_metadata(const AVFrame *frame)
AVCodecContext::coded_height
int coded_height
Definition: avcodec.h:1424
AVClass
Describe the class of an AVClass context structure.
Definition: log.h:67
av_frame_get_channels
int av_frame_get_channels(const AVFrame *frame)
av_toupper
static av_const int av_toupper(int c)
Locale-independent conversion of ASCII characters to uppercase.
Definition: avstring.h:221
index
int index
Definition: gxfenc.c:89
CompactContext::item_sep_str
char * item_sep_str
Definition: ffprobe.c:949
DEFINE_WRITER_CLASS
#define DEFINE_WRITER_CLASS(name)
Definition: ffprobe.c:786
AVCodecContext::colorspace
enum AVColorSpace colorspace
YUV colorspace type.
Definition: avcodec.h:1953
AVRational
rational number numerator/denominator
Definition: rational.h:43
AVCodecContext::color_trc
enum AVColorTransferCharacteristic color_trc
Color Transfer Characteristic.
Definition: avcodec.h:1946
AV_OPT_FLAG_DECODING_PARAM
#define AV_OPT_FLAG_DECODING_PARAM
a generic parameter which can be set by the user for demuxing or decoding
Definition: opt.h:286
OPT_STRING
#define OPT_STRING
Definition: cmdutils.h:164
av_strlcatf
size_t av_strlcatf(char *dst, size_t size, const char *fmt,...)
Definition: avstring.c:101
AVCodecDescriptor::name
const char * name
Name of the codec described by this descriptor.
Definition: avcodec.h:568
avcodec_open2
int avcodec_open2(AVCodecContext *avctx, const AVCodec *codec, AVDictionary **options)
Initialize the AVCodecContext to use the given AVCodec.
Definition: utils.c:1330
snprintf
#define snprintf
Definition: snprintf.h:34
ffprobe_cleanup
static void ffprobe_cleanup(int ret)
Definition: ffprobe.c:231
SECTION_FLAG_IS_ARRAY
#define SECTION_FLAG_IS_ARRAY
the section contains an array of elements of the same type
Definition: ffprobe.c:111
SectionID
SectionID
Definition: ffprobe.c:122
compact_options
static const AVOption compact_options[]
Definition: ffprobe.c:963
REALLOCZ_ARRAY_STREAM
#define REALLOCZ_ARRAY_STREAM(ptr, cur_n, new_n)
Definition: ffprobe.c:1709
ReadInterval::end
int64_t end
start, end in second/AV_TIME_BASE units
Definition: ffprobe.c:93
AV_RN32
#define AV_RN32(p)
Definition: intreadwrite.h:364
parseutils.h
misc parsing utilities
av_read_frame
int av_read_frame(AVFormatContext *s, AVPacket *pkt)
Return the next frame of a stream.
Definition: utils.c:1475
av_frame_get_channel_layout
int64_t av_frame_get_channel_layout(const AVFrame *frame)
avformat_seek_file
int avformat_seek_file(AVFormatContext *s, int stream_index, int64_t min_ts, int64_t ts, int64_t max_ts, int flags)
Seek to timestamp ts.
Definition: utils.c:2162
av_frame_side_data_name
const char * av_frame_side_data_name(enum AVFrameSideDataType type)
Definition: frame.c:705
AVCodecDescriptor
This struct describes the properties of a single codec described by an AVCodecID. ...
Definition: avcodec.h:560
WriterContext::string_validation_utf8_flags
unsigned int string_validation_utf8_flags
Definition: ffprobe.c:353
AVFrame::pkt_pts
int64_t pkt_pts
PTS copied from the AVPacket that was decoded to produce this frame.
Definition: frame.h:262
ReadInterval::start
int64_t start
Definition: ffprobe.c:93
writer_print_ts
static void writer_print_ts(WriterContext *wctx, const char *key, int64_t ts, int is_duration)
Definition: ffprobe.c:679
AVProgram::metadata
AVDictionary * metadata
Definition: avformat.h:1211
nb_streams_packets
static uint64_t * nb_streams_packets
Definition: ffprobe.c:227
AVFrameSideData::type
enum AVFrameSideDataType type
Definition: frame.h:135
av_get_media_type_string
const char * av_get_media_type_string(enum AVMediaType media_type)
Return a string describing the media_type enum, NULL if media_type is unknown.
Definition: utils.c:72
ffprobe_show_library_versions
static void ffprobe_show_library_versions(WriterContext *w)
Definition: ffprobe.c:2669
use_value_prefix
static int use_value_prefix
Definition: ffprobe.c:82
flags
static int flags
Definition: cpu.c:47
AVFormatContext::start_time
int64_t start_time
Position of the first frame of the component, in AV_TIME_BASE fractional seconds. ...
Definition: avformat.h:1357
AVCodec::priv_class
const AVClass * priv_class
AVClass for the private context.
Definition: avcodec.h:3209
level
uint8_t level
Definition: svq3.c:150
swscale
static int swscale(SwsContext *c, const uint8_t *src[], int srcStride[], int srcSliceY, int srcSliceH, uint8_t *dst[], int dstStride[])
Definition: swscale.c:318
flat_print_section_header
static void flat_print_section_header(WriterContext *wctx)
Definition: ffprobe.c:1174
av_strerror
int av_strerror(int errnum, char *errbuf, size_t errbuf_size)
Put a description of the AVERROR code errnum in errbuf.
Definition: error.c:68
upcase_string
static char * upcase_string(char *dst, size_t dst_size, const char *src)
Definition: ffprobe.c:820
av_bprint_clear
void av_bprint_clear(AVBPrint *buf)
Reset the string to "" but keep internal allocated data.
Definition: bprint.c:227
av_strtok
char * av_strtok(char *s, const char *delim, char **saveptr)
Split the string into several tokens which can be accessed by successive calls to av_strtok()...
Definition: avstring.c:184
AVChapter::start
int64_t start
Definition: avformat.h:1238
AVStream::duration
int64_t duration
Decoding: duration of the stream, in stream time base.
Definition: avformat.h:901
show_data_hash
static char * show_data_hash
Definition: ffprobe.c:89
options
static const OptionDef * options
Definition: ffprobe.c:210
OPT_BOOL
#define OPT_BOOL
Definition: cmdutils.h:162
do_show_pixel_formats
static int do_show_pixel_formats
Definition: ffprobe.c:71
AVFrame::pkt_dts
int64_t pkt_dts
DTS copied from the AVPacket that triggered returning this frame.
Definition: frame.h:269
writer_print_string
static int writer_print_string(WriterContext *wctx, const char *key, const char *val, int flags)
Definition: ffprobe.c:617
avformat.h
Main libavformat public API header.
print_error
void print_error(const char *filename, int err)
Print an error message to stderr, indicating filename and a human readable description of the error c...
Definition: cmdutils.c:1032
AVPacket::side_data
AVPacketSideData * side_data
Additional packet data that can be provided by the container.
Definition: avcodec.h:1173
PRINT_STRING_OPT
#define PRINT_STRING_OPT
Definition: ffprobe.c:614
av_opt_free
void av_opt_free(void *obj)
Free all allocated objects in obj.
Definition: opt.c:1435
show_stream
static int show_stream(WriterContext *w, AVFormatContext *fmt_ctx, int stream_idx, int in_program)
Definition: ffprobe.c:2099
codec_opts
AVDictionary * codec_opts
Definition: cmdutils.c:68
xml_print_section_header
static void xml_print_section_header(WriterContext *wctx)
Definition: ffprobe.c:1566
do_show_stream_disposition
static int do_show_stream_disposition
Definition: ffprobe.c:67
section::flags
int flags
For these sections the element_name field is mandatory.
Definition: ffprobe.c:114
exp2
#define exp2(x)
Definition: libm.h:77
Writer::print_section_header
void(* print_section_header)(WriterContext *wctx)
Definition: ffprobe.c:318
default_print_str
static void default_print_str(WriterContext *wctx, const char *key, const char *value)
Definition: ffprobe.c:867
do_count_packets
static int do_count_packets
Definition: ffprobe.c:57
show_format
static int show_format(WriterContext *w, AVFormatContext *fmt_ctx)
Definition: ffprobe.c:2422
avformat_find_stream_info
int avformat_find_stream_info(AVFormatContext *ic, AVDictionary **options)
Read packets of a media file to get stream information.
Definition: utils.c:3024
AVStream::start_time
int64_t start_time
Decoding: pts of the first frame of the stream in presentation order, in stream time base...
Definition: avformat.h:894
c
static double c[64]
Definition: vsrc_mptestsrc.c:87
av_color_transfer_name
const char * av_color_transfer_name(enum AVColorTransferCharacteristic transfer)
Definition: pixdesc.c:2412
unit_second_str
static const char unit_second_str[]
Definition: ffprobe.c:221
av_hash_final_hex
void av_hash_final_hex(struct AVHashContext *ctx, uint8_t *dst, int size)
Finalize a hash context and compute the actual hash value as a hex string.
Definition: hash.c:211
dec_ctx
static AVCodecContext * dec_ctx
Definition: filtering_audio.c:45
parse_read_interval
static int parse_read_interval(const char *interval_spec, ReadInterval *interval)
Parse interval specification, according to the format: INTERVAL ::= [START|+START_OFFSET][%[END|+END_...
Definition: ffprobe.c:2876
AVSubtitle::start_display_time
uint32_t start_display_time
Definition: avcodec.h:3509
unit_value::val
union unit_value::@27 val
flat_init
static av_cold int flat_init(WriterContext *wctx)
Definition: ffprobe.c:1127
show_packet
static void show_packet(WriterContext *w, AVFormatContext *fmt_ctx, AVPacket *pkt, int packet_idx)
Definition: ffprobe.c:1735
AVChapter::time_base
AVRational time_base
time base in which the start/end timestamps are specified
Definition: avformat.h:1237
CompactContext::item_sep
char item_sep
Definition: ffprobe.c:950
av_init_packet
void av_init_packet(AVPacket *pkt)
Initialize optional fields of a packet with default values.
Definition: avpacket.c:49
AVStream::nb_frames
int64_t nb_frames
number of frames in this stream if known or 0
Definition: avformat.h:903
AVDictionaryEntry::key
char * key
Definition: dict.h:87
AVRational::den
int den
denominator
Definition: rational.h:45
uninit_opts
void uninit_opts(void)
Uninitialize the cmdutils option system, in particular free the *_opts contexts and their contents...
Definition: cmdutils.c:82
csv_options
static const AVOption csv_options[]
Definition: ffprobe.c:1079
AVFormatContext::iformat
struct AVInputFormat * iformat
The input container format.
Definition: avformat.h:1284
show_subtitle
static void show_subtitle(WriterContext *w, AVSubtitle *sub, AVStream *stream, AVFormatContext *fmt_ctx)
Definition: ffprobe.c:1790
av_display_rotation_get
double av_display_rotation_get(const int32_t matrix[9])
The display transformation matrix specifies an affine transformation that should be applied to video ...
Definition: display.c:34
flat_escape_key_str
static const char * flat_escape_key_str(AVBPrint *dst, const char *src, const char sep)
Definition: ffprobe.c:1141
avformat_close_input
void avformat_close_input(AVFormatContext **s)
Close an opened input AVFormatContext.
Definition: utils.c:3644
show_streams
static int show_streams(WriterContext *w, AVFormatContext *fmt_ctx)
Definition: ffprobe.c:2331
AVUNERROR
#define AVUNERROR(e)
Definition: error.h:44
AVCodecContext::priv_data
void * priv_data
Definition: avcodec.h:1283
opt_show_entries
static int opt_show_entries(void *optctx, const char *opt, const char *arg)
Definition: ffprobe.c:2779
flat_options
static const AVOption flat_options[]
Definition: ffprobe.c:1117
do_show_program_version
static int do_show_program_version
Definition: ffprobe.c:69
use_byte_value_binary_prefix
static int use_byte_value_binary_prefix
Definition: ffprobe.c:83
av_opt_get
int av_opt_get(void *obj, const char *name, int search_flags, uint8_t **out_val)
Definition: opt.c:689
av_free
#define av_free(p)
Definition: tableprint_vlc.h:34
AVERROR_OPTION_NOT_FOUND
#define AVERROR_OPTION_NOT_FOUND
Option not found.
Definition: error.h:61
AVDictionaryEntry::value
char * value
Definition: dict.h:88
PRINT_STRING_VALIDATE
#define PRINT_STRING_VALIDATE
Definition: ffprobe.c:615
AVFrame::top_field_first
int top_field_first
If the content is interlaced, is top field displayed first.
Definition: frame.h:372
print_str_validate
#define print_str_validate(k, v)
Definition: ffprobe.c:1694
AVCodecContext::channels
int channels
number of audio channels
Definition: avcodec.h:1986
process_frame
static av_always_inline int process_frame(WriterContext *w, AVFormatContext *fmt_ctx, AVFrame *frame, AVPacket *pkt)
Definition: ffprobe.c:1908
av_frame_get_pkt_pos
int64_t av_frame_get_pkt_pos(const AVFrame *frame)
do_show_frame_tags
static int do_show_frame_tags
Definition: ffprobe.c:77
open_input_file
static int open_input_file(AVFormatContext **fmt_ctx_ptr, const char *filename)
Definition: ffprobe.c:2466
Writer::print_rational
void(* print_rational)(WriterContext *wctx, AVRational *q, char *sep)
Definition: ffprobe.c:321
AVProgram::pcr_pid
int pcr_pid
Definition: avformat.h:1215
ini_options
static const AVOption ini_options[]
Definition: ffprobe.c:1239
av_log_set_flags
void av_log_set_flags(int arg)
Definition: log.c:387
CHECK_COMPLIANCE
#define CHECK_COMPLIANCE(opt, opt_name)
AVFrame::key_frame
int key_frame
1 -> keyframe, 0-> not
Definition: frame.h:237
PAL
#define PAL
Definition: bktr.c:65
none_escape_str
static const char * none_escape_str(AVBPrint *dst, const char *src, const char sep, void *log_ctx)
Definition: ffprobe.c:942
show_help_children
void show_help_children(const AVClass *class, int flags)
Show help for all options with given flags in class and all its children.
Definition: cmdutils.c:193
ReadInterval::duration_frames
int duration_frames
Definition: ffprobe.c:96
json_print_str
static void json_print_str(WriterContext *wctx, const char *key, const char *value)
Definition: ffprobe.c:1457
ini_print_int
static void ini_print_int(WriterContext *wctx, const char *key, long long int value)
Definition: ffprobe.c:1318
DefaultContext::noprint_wrappers
int noprint_wrappers
Definition: ffprobe.c:802
print_str
#define print_str(k, v)
Definition: ffprobe.c:1692
print_val
#define print_val(k, v, u)
Definition: ffprobe.c:1699
AVPacket::dts
int64_t dts
Decompression timestamp in AVStream->time_base units; the time at which the packet is decompressed...
Definition: avcodec.h:1161
stream_specifier
static char * stream_specifier
Definition: ffprobe.c:88
AVFormatContext::bit_rate
int bit_rate
Total stream bitrate in bit/s, 0 if not available.
Definition: avformat.h:1374
av_packet_side_data_name
const char * av_packet_side_data_name(enum AVPacketSideDataType type)
Definition: avpacket.c:339
print_time
#define print_time(k, v, tb)
Definition: ffprobe.c:1695
read_interval_packets
static int read_interval_packets(WriterContext *w, AVFormatContext *fmt_ctx, const ReadInterval *interval, int64_t *cur_ts)
Definition: ffprobe.c:1975
AVFormatContext::duration
int64_t duration
Duration of the stream, in AV_TIME_BASE fractional seconds.
Definition: avformat.h:1367
AVFrame::height
int height
Definition: frame.h:220
JSONContext::compact
int compact
Definition: ffprobe.c:1338
av_freep
#define av_freep(p)
Definition: tableprint_vlc.h:35
default_print_section_footer
static void default_print_section_footer(WriterContext *wctx)
Definition: ffprobe.c:854
start
void INT64 start
Definition: avisynth_c.h:553
AVInputFormat::name
const char * name
A comma separated list of short names for the format.
Definition: avformat.h:628
AV_DICT_IGNORE_SUFFIX
#define AV_DICT_IGNORE_SUFFIX
Return first entry in a dictionary whose first part corresponds to the search key, ignoring the suffix of the found key string.
Definition: dict.h:72
AVMEDIA_TYPE_VIDEO
Definition: avutil.h:194
av_always_inline
#define av_always_inline
Definition: attributes.h:37
av_malloc_array
#define av_malloc_array(a, b)
Definition: tableprint_vlc.h:32
av_get_pix_fmt_name
const char * av_get_pix_fmt_name(enum AVPixelFormat pix_fmt)
Return the short name for a pixel format, NULL in case pix_fmt is unknown.
Definition: pixdesc.c:2011
AVPacket::stream_index
int stream_index
Definition: avcodec.h:1164
main
int main(int argc, char **argv)
Definition: ffprobe.c:3134
AVStream::time_base
AVRational time_base
This is the fundamental unit of time (in seconds) in terms of which frame timestamps are represented...
Definition: avformat.h:884
WriterContext::writer
const Writer * writer
the Writer of which this is an instance
Definition: ffprobe.c:330
AVMEDIA_TYPE_SUBTITLE
Definition: avutil.h:197
FlatContext::hierarchical
int hierarchical
Definition: ffprobe.c:1111
AVStream::r_frame_rate
AVRational r_frame_rate
Real base framerate of the stream.
Definition: avformat.h:1062
writer_get_by_name
static const Writer * writer_get_by_name(const char *name)
Definition: ffprobe.c:772
section::unique_name
const char * unique_name
unique section name, in case the name is ambiguous
Definition: ffprobe.c:117
AVPacket
This structure stores compressed data.
Definition: avcodec.h:1139
av_register_all
void av_register_all(void)
Initialize libavformat and register all the muxers, demuxers and protocols.
Definition: allformats.c:51
unit_value::i
long long int i
Definition: ffprobe.c:239
av_opt_set
int av_opt_set(void *obj, const char *name, const char *val, int search_flags)
Definition: opt.c:369
DEFINE_OPT_SHOW_SECTION
#define DEFINE_OPT_SHOW_SECTION(section, target_section_id)
Definition: ffprobe.c:3055
JSONContext::indent_level
int indent_level
Definition: ffprobe.c:1337
AVFrame::nb_samples
int nb_samples
number of audio samples (per channel) described by this frame
Definition: frame.h:225
av_mallocz
void * av_mallocz(size_t size)
Allocate a block of size bytes with alignment suitable for all memory accesses (including vectors if ...
Definition: mem.c:250
MAX_REGISTERED_WRITERS_NB
#define MAX_REGISTERED_WRITERS_NB
Definition: ffprobe.c:757
AVPacket::pts
int64_t pts
Presentation timestamp in AVStream->time_base units; the time at which the decompressed packet will b...
Definition: avcodec.h:1155
writer_print_section_footer
static void writer_print_section_footer(WriterContext *wctx)
Definition: ffprobe.c:531
XMLContext::fully_qualified
int fully_qualified
Definition: ffprobe.c:1501
AV_NOPTS_VALUE
#define AV_NOPTS_VALUE
Undefined timestamp value.
Definition: avutil.h:241
tb
#define tb
Definition: regdef.h:68
AVFormatContext::programs
AVProgram ** programs
Definition: avformat.h:1422
AV_TIMECODE_STR_SIZE
#define AV_TIMECODE_STR_SIZE
Definition: timecode.h:33
av_pix_fmt_desc_next
const AVPixFmtDescriptor * av_pix_fmt_desc_next(const AVPixFmtDescriptor *prev)
Iterate over all pixel format descriptors known to libavutil.
Definition: pixdesc.c:2097
name
const char * name
Definition: opengl_enc.c:103
do_show_streams
static int do_show_streams
Definition: ffprobe.c:66
print_section_header
#define print_section_header(s)
Definition: ffprobe.c:1706
av_bprint_chars
void av_bprint_chars(AVBPrint *buf, char c, unsigned n)
Append char c n times to a print buffer.
Definition: bprint.c:140
Writer::flags
int flags
a combination or WRITER_FLAG_*
Definition: ffprobe.c:323
Generated on Wed Jun 10 2015 01:56:35 for FFmpeg by   doxygen 1.8.6