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ffprobe.c
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1 /*
2  * Copyright (c) 2007-2010 Stefano Sabatini
3  *
4  * This file is part of FFmpeg.
5  *
6  * FFmpeg is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * FFmpeg is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with FFmpeg; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19  */
20 
21 /**
22  * @file
23  * simple media prober based on the FFmpeg libraries
24  */
25 
26 #include "config.h"
27 #include "libavutil/ffversion.h"
28 
29 #include <string.h>
30 
31 #include "libavformat/avformat.h"
32 #include "libavcodec/avcodec.h"
33 #include "libavutil/avassert.h"
34 #include "libavutil/avstring.h"
35 #include "libavutil/bprint.h"
36 #include "libavutil/display.h"
37 #include "libavutil/hash.h"
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 static int do_show_packet_tags = 0;
81 
82 static int show_value_unit = 0;
83 static int use_value_prefix = 0;
84 static int use_byte_value_binary_prefix = 0;
85 static int use_value_sexagesimal_format = 0;
86 static int show_private_data = 1;
87 
88 static char *print_format;
89 static char *stream_specifier;
90 static char *show_data_hash;
91 
92 typedef struct ReadInterval {
93  int id; ///< identifier
94  int64_t start, end; ///< start, end in second/AV_TIME_BASE units
95  int has_start, has_end;
96  int start_is_offset, end_is_offset;
97  int duration_frames;
98 } ReadInterval;
99 
100 static ReadInterval *read_intervals;
101 static int read_intervals_nb = 0;
102 
103 /* section structure definition */
104 
105 #define SECTION_MAX_NB_CHILDREN 10
106 
107 struct section {
108  int id; ///< unique id identifying a section
109  const char *name;
110 
111 #define SECTION_FLAG_IS_WRAPPER 1 ///< the section only contains other sections, but has no data at its own level
112 #define SECTION_FLAG_IS_ARRAY 2 ///< the section contains an array of elements of the same type
113 #define SECTION_FLAG_HAS_VARIABLE_FIELDS 4 ///< the section may contain a variable number of fields with variable keys.
114  /// For these sections the element_name field is mandatory.
115  int flags;
116  int children_ids[SECTION_MAX_NB_CHILDREN+1]; ///< list of children section IDS, terminated by -1
117  const char *element_name; ///< name of the contained element, if provided
118  const char *unique_name; ///< unique section name, in case the name is ambiguous
119  AVDictionary *entries_to_show;
120  int show_all_entries;
121 };
122 
123 typedef enum {
124  SECTION_ID_NONE = -1,
125  SECTION_ID_CHAPTER,
126  SECTION_ID_CHAPTER_TAGS,
127  SECTION_ID_CHAPTERS,
128  SECTION_ID_ERROR,
129  SECTION_ID_FORMAT,
130  SECTION_ID_FORMAT_TAGS,
131  SECTION_ID_FRAME,
132  SECTION_ID_FRAMES,
133  SECTION_ID_FRAME_TAGS,
134  SECTION_ID_FRAME_SIDE_DATA_LIST,
135  SECTION_ID_FRAME_SIDE_DATA,
136  SECTION_ID_LIBRARY_VERSION,
137  SECTION_ID_LIBRARY_VERSIONS,
138  SECTION_ID_PACKET,
139  SECTION_ID_PACKET_TAGS,
140  SECTION_ID_PACKETS,
141  SECTION_ID_PACKETS_AND_FRAMES,
142  SECTION_ID_PACKET_SIDE_DATA_LIST,
143  SECTION_ID_PACKET_SIDE_DATA,
144  SECTION_ID_PIXEL_FORMAT,
145  SECTION_ID_PIXEL_FORMAT_FLAGS,
146  SECTION_ID_PIXEL_FORMAT_COMPONENT,
147  SECTION_ID_PIXEL_FORMAT_COMPONENTS,
148  SECTION_ID_PIXEL_FORMATS,
149  SECTION_ID_PROGRAM_STREAM_DISPOSITION,
150  SECTION_ID_PROGRAM_STREAM_TAGS,
151  SECTION_ID_PROGRAM,
152  SECTION_ID_PROGRAM_STREAMS,
153  SECTION_ID_PROGRAM_STREAM,
154  SECTION_ID_PROGRAM_TAGS,
155  SECTION_ID_PROGRAM_VERSION,
156  SECTION_ID_PROGRAMS,
157  SECTION_ID_ROOT,
158  SECTION_ID_STREAM,
159  SECTION_ID_STREAM_DISPOSITION,
160  SECTION_ID_STREAMS,
161  SECTION_ID_STREAM_TAGS,
162  SECTION_ID_STREAM_SIDE_DATA_LIST,
163  SECTION_ID_STREAM_SIDE_DATA,
164  SECTION_ID_SUBTITLE,
165 } SectionID;
166 
167 static struct section sections[] = {
168  [SECTION_ID_CHAPTERS] = { SECTION_ID_CHAPTERS, "chapters", SECTION_FLAG_IS_ARRAY, { SECTION_ID_CHAPTER, -1 } },
169  [SECTION_ID_CHAPTER] = { SECTION_ID_CHAPTER, "chapter", 0, { SECTION_ID_CHAPTER_TAGS, -1 } },
170  [SECTION_ID_CHAPTER_TAGS] = { SECTION_ID_CHAPTER_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "chapter_tags" },
171  [SECTION_ID_ERROR] = { SECTION_ID_ERROR, "error", 0, { -1 } },
172  [SECTION_ID_FORMAT] = { SECTION_ID_FORMAT, "format", 0, { SECTION_ID_FORMAT_TAGS, -1 } },
173  [SECTION_ID_FORMAT_TAGS] = { SECTION_ID_FORMAT_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "format_tags" },
174  [SECTION_ID_FRAMES] = { SECTION_ID_FRAMES, "frames", SECTION_FLAG_IS_ARRAY, { SECTION_ID_FRAME, SECTION_ID_SUBTITLE, -1 } },
175  [SECTION_ID_FRAME] = { SECTION_ID_FRAME, "frame", 0, { SECTION_ID_FRAME_TAGS, SECTION_ID_FRAME_SIDE_DATA_LIST, -1 } },
176  [SECTION_ID_FRAME_TAGS] = { SECTION_ID_FRAME_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "frame_tags" },
177  [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 } },
178  [SECTION_ID_FRAME_SIDE_DATA] = { SECTION_ID_FRAME_SIDE_DATA, "side_data", 0, { -1 } },
179  [SECTION_ID_LIBRARY_VERSIONS] = { SECTION_ID_LIBRARY_VERSIONS, "library_versions", SECTION_FLAG_IS_ARRAY, { SECTION_ID_LIBRARY_VERSION, -1 } },
180  [SECTION_ID_LIBRARY_VERSION] = { SECTION_ID_LIBRARY_VERSION, "library_version", 0, { -1 } },
181  [SECTION_ID_PACKETS] = { SECTION_ID_PACKETS, "packets", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PACKET, -1} },
182  [SECTION_ID_PACKETS_AND_FRAMES] = { SECTION_ID_PACKETS_AND_FRAMES, "packets_and_frames", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PACKET, -1} },
183  [SECTION_ID_PACKET] = { SECTION_ID_PACKET, "packet", 0, { SECTION_ID_PACKET_TAGS, SECTION_ID_PACKET_SIDE_DATA_LIST, -1 } },
184  [SECTION_ID_PACKET_TAGS] = { SECTION_ID_PACKET_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "packet_tags" },
185  [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 } },
186  [SECTION_ID_PACKET_SIDE_DATA] = { SECTION_ID_PACKET_SIDE_DATA, "side_data", 0, { -1 } },
187  [SECTION_ID_PIXEL_FORMATS] = { SECTION_ID_PIXEL_FORMATS, "pixel_formats", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PIXEL_FORMAT, -1 } },
188  [SECTION_ID_PIXEL_FORMAT] = { SECTION_ID_PIXEL_FORMAT, "pixel_format", 0, { SECTION_ID_PIXEL_FORMAT_FLAGS, SECTION_ID_PIXEL_FORMAT_COMPONENTS, -1 } },
189  [SECTION_ID_PIXEL_FORMAT_FLAGS] = { SECTION_ID_PIXEL_FORMAT_FLAGS, "flags", 0, { -1 }, .unique_name = "pixel_format_flags" },
190  [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" },
191  [SECTION_ID_PIXEL_FORMAT_COMPONENT] = { SECTION_ID_PIXEL_FORMAT_COMPONENT, "component", 0, { -1 } },
192  [SECTION_ID_PROGRAM_STREAM_DISPOSITION] = { SECTION_ID_PROGRAM_STREAM_DISPOSITION, "disposition", 0, { -1 }, .unique_name = "program_stream_disposition" },
193  [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" },
194  [SECTION_ID_PROGRAM] = { SECTION_ID_PROGRAM, "program", 0, { SECTION_ID_PROGRAM_TAGS, SECTION_ID_PROGRAM_STREAMS, -1 } },
195  [SECTION_ID_PROGRAM_STREAMS] = { SECTION_ID_PROGRAM_STREAMS, "streams", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PROGRAM_STREAM, -1 }, .unique_name = "program_streams" },
196  [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" },
197  [SECTION_ID_PROGRAM_TAGS] = { SECTION_ID_PROGRAM_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "program_tags" },
198  [SECTION_ID_PROGRAM_VERSION] = { SECTION_ID_PROGRAM_VERSION, "program_version", 0, { -1 } },
199  [SECTION_ID_PROGRAMS] = { SECTION_ID_PROGRAMS, "programs", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PROGRAM, -1 } },
200  [SECTION_ID_ROOT] = { SECTION_ID_ROOT, "root", SECTION_FLAG_IS_WRAPPER,
201  { SECTION_ID_CHAPTERS, SECTION_ID_FORMAT, SECTION_ID_FRAMES, SECTION_ID_PROGRAMS, SECTION_ID_STREAMS,
202  SECTION_ID_PACKETS, SECTION_ID_ERROR, SECTION_ID_PROGRAM_VERSION, SECTION_ID_LIBRARY_VERSIONS,
203  SECTION_ID_PIXEL_FORMATS, -1} },
204  [SECTION_ID_STREAMS] = { SECTION_ID_STREAMS, "streams", SECTION_FLAG_IS_ARRAY, { SECTION_ID_STREAM, -1 } },
205  [SECTION_ID_STREAM] = { SECTION_ID_STREAM, "stream", 0, { SECTION_ID_STREAM_DISPOSITION, SECTION_ID_STREAM_TAGS, SECTION_ID_STREAM_SIDE_DATA_LIST, -1 } },
206  [SECTION_ID_STREAM_DISPOSITION] = { SECTION_ID_STREAM_DISPOSITION, "disposition", 0, { -1 }, .unique_name = "stream_disposition" },
207  [SECTION_ID_STREAM_TAGS] = { SECTION_ID_STREAM_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "stream_tags" },
208  [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 } },
209  [SECTION_ID_STREAM_SIDE_DATA] = { SECTION_ID_STREAM_SIDE_DATA, "side_data", 0, { -1 } },
210  [SECTION_ID_SUBTITLE] = { SECTION_ID_SUBTITLE, "subtitle", 0, { -1 } },
211 };
212 
213 static const OptionDef *options;
214 
215 /* FFprobe context */
216 static const char *input_filename;
217 static AVInputFormat *iformat = NULL;
218 
219 static struct AVHashContext *hash;
220 
221 static const struct {
222  double bin_val;
223  double dec_val;
224  const char *bin_str;
225  const char *dec_str;
226 } si_prefixes[] = {
227  { 1.0, 1.0, "", "" },
228  { 1.024e3, 1e3, "Ki", "K" },
229  { 1.048576e6, 1e6, "Mi", "M" },
230  { 1.073741824e9, 1e9, "Gi", "G" },
231  { 1.099511627776e12, 1e12, "Ti", "T" },
232  { 1.125899906842624e15, 1e15, "Pi", "P" },
233 };
234 
235 static const char unit_second_str[] = "s" ;
236 static const char unit_hertz_str[] = "Hz" ;
237 static const char unit_byte_str[] = "byte" ;
238 static const char unit_bit_per_second_str[] = "bit/s";
239 
240 static int nb_streams;
241 static uint64_t *nb_streams_packets;
242 static uint64_t *nb_streams_frames;
243 static int *selected_streams;
244 
245 static void ffprobe_cleanup(int ret)
246 {
247  int i;
248  for (i = 0; i < FF_ARRAY_ELEMS(sections); i++)
249  av_dict_free(&(sections[i].entries_to_show));
250 }
251 
252 struct unit_value {
253  union { double d; long long int i; } val;
254  const char *unit;
255 };
256 
257 static char *value_string(char *buf, int buf_size, struct unit_value uv)
258 {
259  double vald;
260  long long int vali;
261  int show_float = 0;
262 
263  if (uv.unit == unit_second_str) {
264  vald = uv.val.d;
265  show_float = 1;
266  } else {
267  vald = vali = uv.val.i;
268  }
269 
270  if (uv.unit == unit_second_str && use_value_sexagesimal_format) {
271  double secs;
272  int hours, mins;
273  secs = vald;
274  mins = (int)secs / 60;
275  secs = secs - mins * 60;
276  hours = mins / 60;
277  mins %= 60;
278  snprintf(buf, buf_size, "%d:%02d:%09.6f", hours, mins, secs);
279  } else {
280  const char *prefix_string = "";
281 
282  if (use_value_prefix && vald > 1) {
283  long long int index;
284 
285  if (uv.unit == unit_byte_str && use_byte_value_binary_prefix) {
286  index = (long long int) (log2(vald)) / 10;
287  index = av_clip(index, 0, FF_ARRAY_ELEMS(si_prefixes) - 1);
288  vald /= si_prefixes[index].bin_val;
289  prefix_string = si_prefixes[index].bin_str;
290  } else {
291  index = (long long int) (log10(vald)) / 3;
292  index = av_clip(index, 0, FF_ARRAY_ELEMS(si_prefixes) - 1);
293  vald /= si_prefixes[index].dec_val;
294  prefix_string = si_prefixes[index].dec_str;
295  }
296  vali = vald;
297  }
298 
299  if (show_float || (use_value_prefix && vald != (long long int)vald))
300  snprintf(buf, buf_size, "%f", vald);
301  else
302  snprintf(buf, buf_size, "%lld", vali);
303  av_strlcatf(buf, buf_size, "%s%s%s", *prefix_string || show_value_unit ? " " : "",
304  prefix_string, show_value_unit ? uv.unit : "");
305  }
306 
307  return buf;
308 }
309 
310 /* WRITERS API */
311 
312 typedef struct WriterContext WriterContext;
313 
314 #define WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS 1
315 #define WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER 2
316 
317 typedef enum {
318  WRITER_STRING_VALIDATION_FAIL,
319  WRITER_STRING_VALIDATION_REPLACE,
320  WRITER_STRING_VALIDATION_IGNORE,
321  WRITER_STRING_VALIDATION_NB
322 } StringValidation;
323 
324 typedef struct Writer {
325  const AVClass *priv_class; ///< private class of the writer, if any
326  int priv_size; ///< private size for the writer context
327  const char *name;
328 
329  int (*init) (WriterContext *wctx);
330  void (*uninit)(WriterContext *wctx);
331 
332  void (*print_section_header)(WriterContext *wctx);
333  void (*print_section_footer)(WriterContext *wctx);
334  void (*print_integer) (WriterContext *wctx, const char *, long long int);
335  void (*print_rational) (WriterContext *wctx, AVRational *q, char *sep);
336  void (*print_string) (WriterContext *wctx, const char *, const char *);
337  int flags; ///< a combination or WRITER_FLAG_*
338 } Writer;
339 
340 #define SECTION_MAX_NB_LEVELS 10
341 
342 struct WriterContext {
343  const AVClass *class; ///< class of the writer
344  const Writer *writer; ///< the Writer of which this is an instance
345  char *name; ///< name of this writer instance
346  void *priv; ///< private data for use by the filter
347 
348  const struct section *sections; ///< array containing all sections
349  int nb_sections; ///< number of sections
350 
351  int level; ///< current level, starting from 0
352 
353  /** number of the item printed in the given section, starting from 0 */
354  unsigned int nb_item[SECTION_MAX_NB_LEVELS];
355 
356  /** section per each level */
357  const struct section *section[SECTION_MAX_NB_LEVELS];
358  AVBPrint section_pbuf[SECTION_MAX_NB_LEVELS]; ///< generic print buffer dedicated to each section,
359  /// used by various writers
360 
361  unsigned int nb_section_packet; ///< number of the packet section in case we are in "packets_and_frames" section
362  unsigned int nb_section_frame; ///< number of the frame section in case we are in "packets_and_frames" section
363  unsigned int nb_section_packet_frame; ///< nb_section_packet or nb_section_frame according if is_packets_and_frames
364 
365  int string_validation;
366  char *string_validation_replacement;
367  unsigned int string_validation_utf8_flags;
368 };
369 
370 static const char *writer_get_name(void *p)
371 {
372  WriterContext *wctx = p;
373  return wctx->writer->name;
374 }
375 
376 #define OFFSET(x) offsetof(WriterContext, x)
377 
378 static const AVOption writer_options[] = {
379  { "string_validation", "set string validation mode",
380  OFFSET(string_validation), AV_OPT_TYPE_INT, {.i64=WRITER_STRING_VALIDATION_REPLACE}, 0, WRITER_STRING_VALIDATION_NB-1, .unit = "sv" },
381  { "sv", "set string validation mode",
382  OFFSET(string_validation), AV_OPT_TYPE_INT, {.i64=WRITER_STRING_VALIDATION_REPLACE}, 0, WRITER_STRING_VALIDATION_NB-1, .unit = "sv" },
383  { "ignore", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = WRITER_STRING_VALIDATION_IGNORE}, .unit = "sv" },
384  { "replace", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = WRITER_STRING_VALIDATION_REPLACE}, .unit = "sv" },
385  { "fail", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = WRITER_STRING_VALIDATION_FAIL}, .unit = "sv" },
386  { "string_validation_replacement", "set string validation replacement string", OFFSET(string_validation_replacement), AV_OPT_TYPE_STRING, {.str=""}},
387  { "svr", "set string validation replacement string", OFFSET(string_validation_replacement), AV_OPT_TYPE_STRING, {.str="\xEF\xBF\xBD"}},
388  { NULL }
389 };
390 
391 static void *writer_child_next(void *obj, void *prev)
392 {
393  WriterContext *ctx = obj;
394  if (!prev && ctx->writer && ctx->writer->priv_class && ctx->priv)
395  return ctx->priv;
396  return NULL;
397 }
398 
399 static const AVClass writer_class = {
400  .class_name = "Writer",
401  .item_name = writer_get_name,
402  .option = writer_options,
403  .version = LIBAVUTIL_VERSION_INT,
404  .child_next = writer_child_next,
405 };
406 
407 static void writer_close(WriterContext **wctx)
408 {
409  int i;
410 
411  if (!*wctx)
412  return;
413 
414  if ((*wctx)->writer->uninit)
415  (*wctx)->writer->uninit(*wctx);
416  for (i = 0; i < SECTION_MAX_NB_LEVELS; i++)
417  av_bprint_finalize(&(*wctx)->section_pbuf[i], NULL);
418  if ((*wctx)->writer->priv_class)
419  av_opt_free((*wctx)->priv);
420  av_freep(&((*wctx)->priv));
421  av_opt_free(*wctx);
422  av_freep(wctx);
423 }
424 
425 static void bprint_bytes(AVBPrint *bp, const uint8_t *ubuf, size_t ubuf_size)
426 {
427  int i;
428  av_bprintf(bp, "0X");
429  for (i = 0; i < ubuf_size; i++)
430  av_bprintf(bp, "%02X", ubuf[i]);
431 }
432 
433 
434 static int writer_open(WriterContext **wctx, const Writer *writer, const char *args,
435  const struct section *sections, int nb_sections)
436 {
437  int i, ret = 0;
438 
439  if (!(*wctx = av_mallocz(sizeof(WriterContext)))) {
440  ret = AVERROR(ENOMEM);
441  goto fail;
442  }
443 
444  if (!((*wctx)->priv = av_mallocz(writer->priv_size))) {
445  ret = AVERROR(ENOMEM);
446  goto fail;
447  }
448 
449  (*wctx)->class = &writer_class;
450  (*wctx)->writer = writer;
451  (*wctx)->level = -1;
452  (*wctx)->sections = sections;
453  (*wctx)->nb_sections = nb_sections;
454 
455  av_opt_set_defaults(*wctx);
456 
457  if (writer->priv_class) {
458  void *priv_ctx = (*wctx)->priv;
459  *((const AVClass **)priv_ctx) = writer->priv_class;
460  av_opt_set_defaults(priv_ctx);
461  }
462 
463  /* convert options to dictionary */
464  if (args) {
465  AVDictionary *opts = NULL;
466  AVDictionaryEntry *opt = NULL;
467 
468  if ((ret = av_dict_parse_string(&opts, args, "=", ":", 0)) < 0) {
469  av_log(*wctx, AV_LOG_ERROR, "Failed to parse option string '%s' provided to writer context\n", args);
470  av_dict_free(&opts);
471  goto fail;
472  }
473 
474  while ((opt = av_dict_get(opts, "", opt, AV_DICT_IGNORE_SUFFIX))) {
475  if ((ret = av_opt_set(*wctx, opt->key, opt->value, AV_OPT_SEARCH_CHILDREN)) < 0) {
476  av_log(*wctx, AV_LOG_ERROR, "Failed to set option '%s' with value '%s' provided to writer context\n",
477  opt->key, opt->value);
478  av_dict_free(&opts);
479  goto fail;
480  }
481  }
482 
483  av_dict_free(&opts);
484  }
485 
486  /* validate replace string */
487  {
488  const uint8_t *p = (*wctx)->string_validation_replacement;
489  const uint8_t *endp = p + strlen(p);
490  while (*p) {
491  const uint8_t *p0 = p;
492  int32_t code;
493  ret = av_utf8_decode(&code, &p, endp, (*wctx)->string_validation_utf8_flags);
494  if (ret < 0) {
495  AVBPrint bp;
496  av_bprint_init(&bp, 0, AV_BPRINT_SIZE_AUTOMATIC);
497  bprint_bytes(&bp, p0, p-p0),
498  av_log(wctx, AV_LOG_ERROR,
499  "Invalid UTF8 sequence %s found in string validation replace '%s'\n",
500  bp.str, (*wctx)->string_validation_replacement);
501  return ret;
502  }
503  }
504  }
505 
506  for (i = 0; i < SECTION_MAX_NB_LEVELS; i++)
507  av_bprint_init(&(*wctx)->section_pbuf[i], 1, AV_BPRINT_SIZE_UNLIMITED);
508 
509  if ((*wctx)->writer->init)
510  ret = (*wctx)->writer->init(*wctx);
511  if (ret < 0)
512  goto fail;
513 
514  return 0;
515 
516 fail:
517  writer_close(wctx);
518  return ret;
519 }
520 
521 static inline void writer_print_section_header(WriterContext *wctx,
522  int section_id)
523 {
524  int parent_section_id;
525  wctx->level++;
526  av_assert0(wctx->level < SECTION_MAX_NB_LEVELS);
527  parent_section_id = wctx->level ?
528  (wctx->section[wctx->level-1])->id : SECTION_ID_NONE;
529 
530  wctx->nb_item[wctx->level] = 0;
531  wctx->section[wctx->level] = &wctx->sections[section_id];
532 
533  if (section_id == SECTION_ID_PACKETS_AND_FRAMES) {
534  wctx->nb_section_packet = wctx->nb_section_frame =
535  wctx->nb_section_packet_frame = 0;
536  } else if (parent_section_id == SECTION_ID_PACKETS_AND_FRAMES) {
537  wctx->nb_section_packet_frame = section_id == SECTION_ID_PACKET ?
538  wctx->nb_section_packet : wctx->nb_section_frame;
539  }
540 
541  if (wctx->writer->print_section_header)
542  wctx->writer->print_section_header(wctx);
543 }
544 
545 static inline void writer_print_section_footer(WriterContext *wctx)
546 {
547  int section_id = wctx->section[wctx->level]->id;
548  int parent_section_id = wctx->level ?
549  wctx->section[wctx->level-1]->id : SECTION_ID_NONE;
550 
551  if (parent_section_id != SECTION_ID_NONE)
552  wctx->nb_item[wctx->level-1]++;
553  if (parent_section_id == SECTION_ID_PACKETS_AND_FRAMES) {
554  if (section_id == SECTION_ID_PACKET) wctx->nb_section_packet++;
555  else wctx->nb_section_frame++;
556  }
557  if (wctx->writer->print_section_footer)
558  wctx->writer->print_section_footer(wctx);
559  wctx->level--;
560 }
561 
562 static inline void writer_print_integer(WriterContext *wctx,
563  const char *key, long long int val)
564 {
565  const struct section *section = wctx->section[wctx->level];
566 
567  if (section->show_all_entries || av_dict_get(section->entries_to_show, key, NULL, 0)) {
568  wctx->writer->print_integer(wctx, key, val);
569  wctx->nb_item[wctx->level]++;
570  }
571 }
572 
573 static inline int validate_string(WriterContext *wctx, char **dstp, const char *src)
574 {
575  const uint8_t *p, *endp;
576  AVBPrint dstbuf;
577  int invalid_chars_nb = 0, ret = 0;
578 
579  av_bprint_init(&dstbuf, 0, AV_BPRINT_SIZE_UNLIMITED);
580 
581  endp = src + strlen(src);
582  for (p = (uint8_t *)src; *p;) {
583  uint32_t code;
584  int invalid = 0;
585  const uint8_t *p0 = p;
586 
587  if (av_utf8_decode(&code, &p, endp, wctx->string_validation_utf8_flags) < 0) {
588  AVBPrint bp;
589  av_bprint_init(&bp, 0, AV_BPRINT_SIZE_AUTOMATIC);
590  bprint_bytes(&bp, p0, p-p0);
591  av_log(wctx, AV_LOG_DEBUG,
592  "Invalid UTF-8 sequence %s found in string '%s'\n", bp.str, src);
593  invalid = 1;
594  }
595 
596  if (invalid) {
597  invalid_chars_nb++;
598 
599  switch (wctx->string_validation) {
600  case WRITER_STRING_VALIDATION_FAIL:
601  av_log(wctx, AV_LOG_ERROR,
602  "Invalid UTF-8 sequence found in string '%s'\n", src);
603  ret = AVERROR_INVALIDDATA;
604  goto end;
605  break;
606 
607  case WRITER_STRING_VALIDATION_REPLACE:
608  av_bprintf(&dstbuf, "%s", wctx->string_validation_replacement);
609  break;
610  }
611  }
612 
613  if (!invalid || wctx->string_validation == WRITER_STRING_VALIDATION_IGNORE)
614  av_bprint_append_data(&dstbuf, p0, p-p0);
615  }
616 
617  if (invalid_chars_nb && wctx->string_validation == WRITER_STRING_VALIDATION_REPLACE) {
618  av_log(wctx, AV_LOG_WARNING,
619  "%d invalid UTF-8 sequence(s) found in string '%s', replaced with '%s'\n",
620  invalid_chars_nb, src, wctx->string_validation_replacement);
621  }
622 
623 end:
624  av_bprint_finalize(&dstbuf, dstp);
625  return ret;
626 }
627 
628 #define PRINT_STRING_OPT 1
629 #define PRINT_STRING_VALIDATE 2
630 
631 static inline int writer_print_string(WriterContext *wctx,
632  const char *key, const char *val, int flags)
633 {
634  const struct section *section = wctx->section[wctx->level];
635  int ret = 0;
636 
637  if ((flags & PRINT_STRING_OPT)
638  && !(wctx->writer->flags & WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS))
639  return 0;
640 
641  if (section->show_all_entries || av_dict_get(section->entries_to_show, key, NULL, 0)) {
642  if (flags & PRINT_STRING_VALIDATE) {
643  char *key1 = NULL, *val1 = NULL;
644  ret = validate_string(wctx, &key1, key);
645  if (ret < 0) goto end;
646  ret = validate_string(wctx, &val1, val);
647  if (ret < 0) goto end;
648  wctx->writer->print_string(wctx, key1, val1);
649  end:
650  if (ret < 0) {
651  av_log(wctx, AV_LOG_ERROR,
652  "Invalid key=value string combination %s=%s in section %s\n",
653  key, val, section->unique_name);
654  }
655  av_free(key1);
656  av_free(val1);
657  } else {
658  wctx->writer->print_string(wctx, key, val);
659  }
660 
661  wctx->nb_item[wctx->level]++;
662  }
663 
664  return ret;
665 }
666 
667 static inline void writer_print_rational(WriterContext *wctx,
668  const char *key, AVRational q, char sep)
669 {
670  AVBPrint buf;
671  av_bprint_init(&buf, 0, AV_BPRINT_SIZE_AUTOMATIC);
672  av_bprintf(&buf, "%d%c%d", q.num, sep, q.den);
673  writer_print_string(wctx, key, buf.str, 0);
674 }
675 
676 static void writer_print_time(WriterContext *wctx, const char *key,
677  int64_t ts, const AVRational *time_base, int is_duration)
678 {
679  char buf[128];
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  double d = ts * av_q2d(*time_base);
685  struct unit_value uv;
686  uv.val.d = d;
687  uv.unit = unit_second_str;
688  value_string(buf, sizeof(buf), uv);
689  writer_print_string(wctx, key, buf, 0);
690  }
691 }
692 
693 static void writer_print_ts(WriterContext *wctx, const char *key, int64_t ts, int is_duration)
694 {
695  if ((!is_duration && ts == AV_NOPTS_VALUE) || (is_duration && ts == 0)) {
696  writer_print_string(wctx, key, "N/A", PRINT_STRING_OPT);
697  } else {
698  writer_print_integer(wctx, key, ts);
699  }
700 }
701 
702 static void writer_print_data(WriterContext *wctx, const char *name,
703  uint8_t *data, int size)
704 {
705  AVBPrint bp;
706  int offset = 0, l, i;
707 
708  av_bprint_init(&bp, 0, AV_BPRINT_SIZE_UNLIMITED);
709  av_bprintf(&bp, "\n");
710  while (size) {
711  av_bprintf(&bp, "%08x: ", offset);
712  l = FFMIN(size, 16);
713  for (i = 0; i < l; i++) {
714  av_bprintf(&bp, "%02x", data[i]);
715  if (i & 1)
716  av_bprintf(&bp, " ");
717  }
718  av_bprint_chars(&bp, ' ', 41 - 2 * i - i / 2);
719  for (i = 0; i < l; i++)
720  av_bprint_chars(&bp, data[i] - 32U < 95 ? data[i] : '.', 1);
721  av_bprintf(&bp, "\n");
722  offset += l;
723  data += l;
724  size -= l;
725  }
726  writer_print_string(wctx, name, bp.str, 0);
727  av_bprint_finalize(&bp, NULL);
728 }
729 
730 static void writer_print_data_hash(WriterContext *wctx, const char *name,
731  uint8_t *data, int size)
732 {
733  char *p, buf[AV_HASH_MAX_SIZE * 2 + 64] = { 0 };
734 
735  if (!hash)
736  return;
737  av_hash_init(hash);
738  av_hash_update(hash, data, size);
739  snprintf(buf, sizeof(buf), "%s:", av_hash_get_name(hash));
740  p = buf + strlen(buf);
741  av_hash_final_hex(hash, p, buf + sizeof(buf) - p);
742  writer_print_string(wctx, name, buf, 0);
743 }
744 
745 static void writer_print_integers(WriterContext *wctx, const char *name,
746  uint8_t *data, int size, const char *format,
747  int columns, int bytes, int offset_add)
748 {
749  AVBPrint bp;
750  int offset = 0, l, i;
751 
752  av_bprint_init(&bp, 0, AV_BPRINT_SIZE_UNLIMITED);
753  av_bprintf(&bp, "\n");
754  while (size) {
755  av_bprintf(&bp, "%08x: ", offset);
756  l = FFMIN(size, columns);
757  for (i = 0; i < l; i++) {
758  if (bytes == 1) av_bprintf(&bp, format, *data);
759  else if (bytes == 2) av_bprintf(&bp, format, AV_RN16(data));
760  else if (bytes == 4) av_bprintf(&bp, format, AV_RN32(data));
761  data += bytes;
762  size --;
763  }
764  av_bprintf(&bp, "\n");
765  offset += offset_add;
766  }
767  writer_print_string(wctx, name, bp.str, 0);
768  av_bprint_finalize(&bp, NULL);
769 }
770 
771 #define MAX_REGISTERED_WRITERS_NB 64
772 
773 static const Writer *registered_writers[MAX_REGISTERED_WRITERS_NB + 1];
774 
775 static int writer_register(const Writer *writer)
776 {
777  static int next_registered_writer_idx = 0;
778 
779  if (next_registered_writer_idx == MAX_REGISTERED_WRITERS_NB)
780  return AVERROR(ENOMEM);
781 
782  registered_writers[next_registered_writer_idx++] = writer;
783  return 0;
784 }
785 
786 static const Writer *writer_get_by_name(const char *name)
787 {
788  int i;
789 
790  for (i = 0; registered_writers[i]; i++)
791  if (!strcmp(registered_writers[i]->name, name))
792  return registered_writers[i];
793 
794  return NULL;
795 }
796 
797 
798 /* WRITERS */
799 
800 #define DEFINE_WRITER_CLASS(name) \
801 static const char *name##_get_name(void *ctx) \
802 { \
803  return #name ; \
804 } \
805 static const AVClass name##_class = { \
806  .class_name = #name, \
807  .item_name = name##_get_name, \
808  .option = name##_options \
809 }
810 
811 /* Default output */
812 
813 typedef struct DefaultContext {
814  const AVClass *class;
815  int nokey;
816  int noprint_wrappers;
817  int nested_section[SECTION_MAX_NB_LEVELS];
818 } DefaultContext;
819 
820 #undef OFFSET
821 #define OFFSET(x) offsetof(DefaultContext, x)
822 
823 static const AVOption default_options[] = {
824  { "noprint_wrappers", "do not print headers and footers", OFFSET(noprint_wrappers), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
825  { "nw", "do not print headers and footers", OFFSET(noprint_wrappers), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
826  { "nokey", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
827  { "nk", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
828  {NULL},
829 };
830 
831 DEFINE_WRITER_CLASS(default);
832 
833 /* lame uppercasing routine, assumes the string is lower case ASCII */
834 static inline char *upcase_string(char *dst, size_t dst_size, const char *src)
835 {
836  int i;
837  for (i = 0; src[i] && i < dst_size-1; i++)
838  dst[i] = av_toupper(src[i]);
839  dst[i] = 0;
840  return dst;
841 }
842 
843 static void default_print_section_header(WriterContext *wctx)
844 {
845  DefaultContext *def = wctx->priv;
846  char buf[32];
847  const struct section *section = wctx->section[wctx->level];
848  const struct section *parent_section = wctx->level ?
849  wctx->section[wctx->level-1] : NULL;
850 
851  av_bprint_clear(&wctx->section_pbuf[wctx->level]);
852  if (parent_section &&
853  !(parent_section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY))) {
854  def->nested_section[wctx->level] = 1;
855  av_bprintf(&wctx->section_pbuf[wctx->level], "%s%s:",
856  wctx->section_pbuf[wctx->level-1].str,
857  upcase_string(buf, sizeof(buf),
858  av_x_if_null(section->element_name, section->name)));
859  }
860 
861  if (def->noprint_wrappers || def->nested_section[wctx->level])
862  return;
863 
864  if (!(section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY)))
865  printf("[%s]\n", upcase_string(buf, sizeof(buf), section->name));
866 }
867 
868 static void default_print_section_footer(WriterContext *wctx)
869 {
870  DefaultContext *def = wctx->priv;
871  const struct section *section = wctx->section[wctx->level];
872  char buf[32];
873 
874  if (def->noprint_wrappers || def->nested_section[wctx->level])
875  return;
876 
877  if (!(section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY)))
878  printf("[/%s]\n", upcase_string(buf, sizeof(buf), section->name));
879 }
880 
881 static void default_print_str(WriterContext *wctx, const char *key, const char *value)
882 {
883  DefaultContext *def = wctx->priv;
884 
885  if (!def->nokey)
886  printf("%s%s=", wctx->section_pbuf[wctx->level].str, key);
887  printf("%s\n", value);
888 }
889 
890 static void default_print_int(WriterContext *wctx, const char *key, long long int value)
891 {
892  DefaultContext *def = wctx->priv;
893 
894  if (!def->nokey)
895  printf("%s%s=", wctx->section_pbuf[wctx->level].str, key);
896  printf("%lld\n", value);
897 }
898 
899 static const Writer default_writer = {
900  .name = "default",
901  .priv_size = sizeof(DefaultContext),
902  .print_section_header = default_print_section_header,
903  .print_section_footer = default_print_section_footer,
904  .print_integer = default_print_int,
905  .print_string = default_print_str,
906  .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS,
907  .priv_class = &default_class,
908 };
909 
910 /* Compact output */
911 
912 /**
913  * Apply C-language-like string escaping.
914  */
915 static const char *c_escape_str(AVBPrint *dst, const char *src, const char sep, void *log_ctx)
916 {
917  const char *p;
918 
919  for (p = src; *p; p++) {
920  switch (*p) {
921  case '\b': av_bprintf(dst, "%s", "\\b"); break;
922  case '\f': av_bprintf(dst, "%s", "\\f"); break;
923  case '\n': av_bprintf(dst, "%s", "\\n"); break;
924  case '\r': av_bprintf(dst, "%s", "\\r"); break;
925  case '\\': av_bprintf(dst, "%s", "\\\\"); break;
926  default:
927  if (*p == sep)
928  av_bprint_chars(dst, '\\', 1);
929  av_bprint_chars(dst, *p, 1);
930  }
931  }
932  return dst->str;
933 }
934 
935 /**
936  * Quote fields containing special characters, check RFC4180.
937  */
938 static const char *csv_escape_str(AVBPrint *dst, const char *src, const char sep, void *log_ctx)
939 {
940  char meta_chars[] = { sep, '"', '\n', '\r', '\0' };
941  int needs_quoting = !!src[strcspn(src, meta_chars)];
942 
943  if (needs_quoting)
944  av_bprint_chars(dst, '"', 1);
945 
946  for (; *src; src++) {
947  if (*src == '"')
948  av_bprint_chars(dst, '"', 1);
949  av_bprint_chars(dst, *src, 1);
950  }
951  if (needs_quoting)
952  av_bprint_chars(dst, '"', 1);
953  return dst->str;
954 }
955 
956 static const char *none_escape_str(AVBPrint *dst, const char *src, const char sep, void *log_ctx)
957 {
958  return src;
959 }
960 
961 typedef struct CompactContext {
962  const AVClass *class;
963  char *item_sep_str;
964  char item_sep;
965  int nokey;
966  int print_section;
967  char *escape_mode_str;
968  const char * (*escape_str)(AVBPrint *dst, const char *src, const char sep, void *log_ctx);
969  int nested_section[SECTION_MAX_NB_LEVELS];
970  int has_nested_elems[SECTION_MAX_NB_LEVELS];
971  int terminate_line[SECTION_MAX_NB_LEVELS];
972 } CompactContext;
973 
974 #undef OFFSET
975 #define OFFSET(x) offsetof(CompactContext, x)
976 
977 static const AVOption compact_options[]= {
978  {"item_sep", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str="|"}, CHAR_MIN, CHAR_MAX },
979  {"s", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str="|"}, CHAR_MIN, CHAR_MAX },
980  {"nokey", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
981  {"nk", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
982  {"escape", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="c"}, CHAR_MIN, CHAR_MAX },
983  {"e", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="c"}, CHAR_MIN, CHAR_MAX },
984  {"print_section", "print section name", OFFSET(print_section), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
985  {"p", "print section name", OFFSET(print_section), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
986  {NULL},
987 };
988 
989 DEFINE_WRITER_CLASS(compact);
990 
991 static av_cold int compact_init(WriterContext *wctx)
992 {
993  CompactContext *compact = wctx->priv;
994 
995  if (strlen(compact->item_sep_str) != 1) {
996  av_log(wctx, AV_LOG_ERROR, "Item separator '%s' specified, but must contain a single character\n",
997  compact->item_sep_str);
998  return AVERROR(EINVAL);
999  }
1000  compact->item_sep = compact->item_sep_str[0];
1001 
1002  if (!strcmp(compact->escape_mode_str, "none")) compact->escape_str = none_escape_str;
1003  else if (!strcmp(compact->escape_mode_str, "c" )) compact->escape_str = c_escape_str;
1004  else if (!strcmp(compact->escape_mode_str, "csv" )) compact->escape_str = csv_escape_str;
1005  else {
1006  av_log(wctx, AV_LOG_ERROR, "Unknown escape mode '%s'\n", compact->escape_mode_str);
1007  return AVERROR(EINVAL);
1008  }
1009 
1010  return 0;
1011 }
1012 
1013 static void compact_print_section_header(WriterContext *wctx)
1014 {
1015  CompactContext *compact = wctx->priv;
1016  const struct section *section = wctx->section[wctx->level];
1017  const struct section *parent_section = wctx->level ?
1018  wctx->section[wctx->level-1] : NULL;
1019  compact->terminate_line[wctx->level] = 1;
1020  compact->has_nested_elems[wctx->level] = 0;
1021 
1022  av_bprint_clear(&wctx->section_pbuf[wctx->level]);
1023  if (!(section->flags & SECTION_FLAG_IS_ARRAY) && parent_section &&
1024  !(parent_section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY))) {
1025  compact->nested_section[wctx->level] = 1;
1026  compact->has_nested_elems[wctx->level-1] = 1;
1027  av_bprintf(&wctx->section_pbuf[wctx->level], "%s%s:",
1028  wctx->section_pbuf[wctx->level-1].str,
1029  (char *)av_x_if_null(section->element_name, section->name));
1030  wctx->nb_item[wctx->level] = wctx->nb_item[wctx->level-1];
1031  } else {
1032  if (parent_section && compact->has_nested_elems[wctx->level-1] &&
1033  (section->flags & SECTION_FLAG_IS_ARRAY)) {
1034  compact->terminate_line[wctx->level-1] = 0;
1035  printf("\n");
1036  }
1037  if (compact->print_section &&
1038  !(section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY)))
1039  printf("%s%c", section->name, compact->item_sep);
1040  }
1041 }
1042 
1043 static void compact_print_section_footer(WriterContext *wctx)
1044 {
1045  CompactContext *compact = wctx->priv;
1046 
1047  if (!compact->nested_section[wctx->level] &&
1048  compact->terminate_line[wctx->level] &&
1049  !(wctx->section[wctx->level]->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY)))
1050  printf("\n");
1051 }
1052 
1053 static void compact_print_str(WriterContext *wctx, const char *key, const char *value)
1054 {
1055  CompactContext *compact = wctx->priv;
1056  AVBPrint buf;
1057 
1058  if (wctx->nb_item[wctx->level]) printf("%c", compact->item_sep);
1059  if (!compact->nokey)
1060  printf("%s%s=", wctx->section_pbuf[wctx->level].str, key);
1061  av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1062  printf("%s", compact->escape_str(&buf, value, compact->item_sep, wctx));
1063  av_bprint_finalize(&buf, NULL);
1064 }
1065 
1066 static void compact_print_int(WriterContext *wctx, const char *key, long long int value)
1067 {
1068  CompactContext *compact = wctx->priv;
1069 
1070  if (wctx->nb_item[wctx->level]) printf("%c", compact->item_sep);
1071  if (!compact->nokey)
1072  printf("%s%s=", wctx->section_pbuf[wctx->level].str, key);
1073  printf("%lld", value);
1074 }
1075 
1076 static const Writer compact_writer = {
1077  .name = "compact",
1078  .priv_size = sizeof(CompactContext),
1079  .init = compact_init,
1080  .print_section_header = compact_print_section_header,
1081  .print_section_footer = compact_print_section_footer,
1082  .print_integer = compact_print_int,
1083  .print_string = compact_print_str,
1084  .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS,
1085  .priv_class = &compact_class,
1086 };
1087 
1088 /* CSV output */
1089 
1090 #undef OFFSET
1091 #define OFFSET(x) offsetof(CompactContext, x)
1092 
1093 static const AVOption csv_options[] = {
1094  {"item_sep", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str=","}, CHAR_MIN, CHAR_MAX },
1095  {"s", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str=","}, CHAR_MIN, CHAR_MAX },
1096  {"nokey", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
1097  {"nk", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
1098  {"escape", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="csv"}, CHAR_MIN, CHAR_MAX },
1099  {"e", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="csv"}, CHAR_MIN, CHAR_MAX },
1100  {"print_section", "print section name", OFFSET(print_section), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
1101  {"p", "print section name", OFFSET(print_section), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
1102  {NULL},
1103 };
1104 
1105 DEFINE_WRITER_CLASS(csv);
1106 
1107 static const Writer csv_writer = {
1108  .name = "csv",
1109  .priv_size = sizeof(CompactContext),
1110  .init = compact_init,
1111  .print_section_header = compact_print_section_header,
1112  .print_section_footer = compact_print_section_footer,
1113  .print_integer = compact_print_int,
1114  .print_string = compact_print_str,
1115  .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS,
1116  .priv_class = &csv_class,
1117 };
1118 
1119 /* Flat output */
1120 
1121 typedef struct FlatContext {
1122  const AVClass *class;
1123  const char *sep_str;
1124  char sep;
1125  int hierarchical;
1126 } FlatContext;
1127 
1128 #undef OFFSET
1129 #define OFFSET(x) offsetof(FlatContext, x)
1130 
1131 static const AVOption flat_options[]= {
1132  {"sep_char", "set separator", OFFSET(sep_str), AV_OPT_TYPE_STRING, {.str="."}, CHAR_MIN, CHAR_MAX },
1133  {"s", "set separator", OFFSET(sep_str), AV_OPT_TYPE_STRING, {.str="."}, CHAR_MIN, CHAR_MAX },
1134  {"hierarchical", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
1135  {"h", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
1136  {NULL},
1137 };
1138 
1139 DEFINE_WRITER_CLASS(flat);
1140 
1141 static av_cold int flat_init(WriterContext *wctx)
1142 {
1143  FlatContext *flat = wctx->priv;
1144 
1145  if (strlen(flat->sep_str) != 1) {
1146  av_log(wctx, AV_LOG_ERROR, "Item separator '%s' specified, but must contain a single character\n",
1147  flat->sep_str);
1148  return AVERROR(EINVAL);
1149  }
1150  flat->sep = flat->sep_str[0];
1151 
1152  return 0;
1153 }
1154 
1155 static const char *flat_escape_key_str(AVBPrint *dst, const char *src, const char sep)
1156 {
1157  const char *p;
1158 
1159  for (p = src; *p; p++) {
1160  if (!((*p >= '0' && *p <= '9') ||
1161  (*p >= 'a' && *p <= 'z') ||
1162  (*p >= 'A' && *p <= 'Z')))
1163  av_bprint_chars(dst, '_', 1);
1164  else
1165  av_bprint_chars(dst, *p, 1);
1166  }
1167  return dst->str;
1168 }
1169 
1170 static const char *flat_escape_value_str(AVBPrint *dst, const char *src)
1171 {
1172  const char *p;
1173 
1174  for (p = src; *p; p++) {
1175  switch (*p) {
1176  case '\n': av_bprintf(dst, "%s", "\\n"); break;
1177  case '\r': av_bprintf(dst, "%s", "\\r"); break;
1178  case '\\': av_bprintf(dst, "%s", "\\\\"); break;
1179  case '"': av_bprintf(dst, "%s", "\\\""); break;
1180  case '`': av_bprintf(dst, "%s", "\\`"); break;
1181  case '$': av_bprintf(dst, "%s", "\\$"); break;
1182  default: av_bprint_chars(dst, *p, 1); break;
1183  }
1184  }
1185  return dst->str;
1186 }
1187 
1188 static void flat_print_section_header(WriterContext *wctx)
1189 {
1190  FlatContext *flat = wctx->priv;
1191  AVBPrint *buf = &wctx->section_pbuf[wctx->level];
1192  const struct section *section = wctx->section[wctx->level];
1193  const struct section *parent_section = wctx->level ?
1194  wctx->section[wctx->level-1] : NULL;
1195 
1196  /* build section header */
1197  av_bprint_clear(buf);
1198  if (!parent_section)
1199  return;
1200  av_bprintf(buf, "%s", wctx->section_pbuf[wctx->level-1].str);
1201 
1202  if (flat->hierarchical ||
1203  !(section->flags & (SECTION_FLAG_IS_ARRAY|SECTION_FLAG_IS_WRAPPER))) {
1204  av_bprintf(buf, "%s%s", wctx->section[wctx->level]->name, flat->sep_str);
1205 
1206  if (parent_section->flags & SECTION_FLAG_IS_ARRAY) {
1207  int n = parent_section->id == SECTION_ID_PACKETS_AND_FRAMES ?
1208  wctx->nb_section_packet_frame : wctx->nb_item[wctx->level-1];
1209  av_bprintf(buf, "%d%s", n, flat->sep_str);
1210  }
1211  }
1212 }
1213 
1214 static void flat_print_int(WriterContext *wctx, const char *key, long long int value)
1215 {
1216  printf("%s%s=%lld\n", wctx->section_pbuf[wctx->level].str, key, value);
1217 }
1218 
1219 static void flat_print_str(WriterContext *wctx, const char *key, const char *value)
1220 {
1221  FlatContext *flat = wctx->priv;
1222  AVBPrint buf;
1223 
1224  printf("%s", wctx->section_pbuf[wctx->level].str);
1225  av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1226  printf("%s=", flat_escape_key_str(&buf, key, flat->sep));
1227  av_bprint_clear(&buf);
1228  printf("\"%s\"\n", flat_escape_value_str(&buf, value));
1229  av_bprint_finalize(&buf, NULL);
1230 }
1231 
1232 static const Writer flat_writer = {
1233  .name = "flat",
1234  .priv_size = sizeof(FlatContext),
1235  .init = flat_init,
1236  .print_section_header = flat_print_section_header,
1237  .print_integer = flat_print_int,
1238  .print_string = flat_print_str,
1239  .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS|WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,
1240  .priv_class = &flat_class,
1241 };
1242 
1243 /* INI format output */
1244 
1245 typedef struct INIContext {
1246  const AVClass *class;
1247  int hierarchical;
1248 } INIContext;
1249 
1250 #undef OFFSET
1251 #define OFFSET(x) offsetof(INIContext, x)
1252 
1253 static const AVOption ini_options[] = {
1254  {"hierarchical", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
1255  {"h", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
1256  {NULL},
1257 };
1258 
1259 DEFINE_WRITER_CLASS(ini);
1260 
1261 static char *ini_escape_str(AVBPrint *dst, const char *src)
1262 {
1263  int i = 0;
1264  char c = 0;
1265 
1266  while (c = src[i++]) {
1267  switch (c) {
1268  case '\b': av_bprintf(dst, "%s", "\\b"); break;
1269  case '\f': av_bprintf(dst, "%s", "\\f"); break;
1270  case '\n': av_bprintf(dst, "%s", "\\n"); break;
1271  case '\r': av_bprintf(dst, "%s", "\\r"); break;
1272  case '\t': av_bprintf(dst, "%s", "\\t"); break;
1273  case '\\':
1274  case '#' :
1275  case '=' :
1276  case ':' : av_bprint_chars(dst, '\\', 1);
1277  default:
1278  if ((unsigned char)c < 32)
1279  av_bprintf(dst, "\\x00%02x", c & 0xff);
1280  else
1281  av_bprint_chars(dst, c, 1);
1282  break;
1283  }
1284  }
1285  return dst->str;
1286 }
1287 
1288 static void ini_print_section_header(WriterContext *wctx)
1289 {
1290  INIContext *ini = wctx->priv;
1291  AVBPrint *buf = &wctx->section_pbuf[wctx->level];
1292  const struct section *section = wctx->section[wctx->level];
1293  const struct section *parent_section = wctx->level ?
1294  wctx->section[wctx->level-1] : NULL;
1295 
1296  av_bprint_clear(buf);
1297  if (!parent_section) {
1298  printf("# ffprobe output\n\n");
1299  return;
1300  }
1301 
1302  if (wctx->nb_item[wctx->level-1])
1303  printf("\n");
1304 
1305  av_bprintf(buf, "%s", wctx->section_pbuf[wctx->level-1].str);
1306  if (ini->hierarchical ||
1307  !(section->flags & (SECTION_FLAG_IS_ARRAY|SECTION_FLAG_IS_WRAPPER))) {
1308  av_bprintf(buf, "%s%s", buf->str[0] ? "." : "", wctx->section[wctx->level]->name);
1309 
1310  if (parent_section->flags & SECTION_FLAG_IS_ARRAY) {
1311  int n = parent_section->id == SECTION_ID_PACKETS_AND_FRAMES ?
1312  wctx->nb_section_packet_frame : wctx->nb_item[wctx->level-1];
1313  av_bprintf(buf, ".%d", n);
1314  }
1315  }
1316 
1317  if (!(section->flags & (SECTION_FLAG_IS_ARRAY|SECTION_FLAG_IS_WRAPPER)))
1318  printf("[%s]\n", buf->str);
1319 }
1320 
1321 static void ini_print_str(WriterContext *wctx, const char *key, const char *value)
1322 {
1323  AVBPrint buf;
1324 
1325  av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1326  printf("%s=", ini_escape_str(&buf, key));
1327  av_bprint_clear(&buf);
1328  printf("%s\n", ini_escape_str(&buf, value));
1329  av_bprint_finalize(&buf, NULL);
1330 }
1331 
1332 static void ini_print_int(WriterContext *wctx, const char *key, long long int value)
1333 {
1334  printf("%s=%lld\n", key, value);
1335 }
1336 
1337 static const Writer ini_writer = {
1338  .name = "ini",
1339  .priv_size = sizeof(INIContext),
1340  .print_section_header = ini_print_section_header,
1341  .print_integer = ini_print_int,
1342  .print_string = ini_print_str,
1343  .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS|WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,
1344  .priv_class = &ini_class,
1345 };
1346 
1347 /* JSON output */
1348 
1349 typedef struct JSONContext {
1350  const AVClass *class;
1351  int indent_level;
1352  int compact;
1353  const char *item_sep, *item_start_end;
1354 } JSONContext;
1355 
1356 #undef OFFSET
1357 #define OFFSET(x) offsetof(JSONContext, x)
1358 
1359 static const AVOption json_options[]= {
1360  { "compact", "enable compact output", OFFSET(compact), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
1361  { "c", "enable compact output", OFFSET(compact), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
1362  { NULL }
1363 };
1364 
1365 DEFINE_WRITER_CLASS(json);
1366 
1367 static av_cold int json_init(WriterContext *wctx)
1368 {
1369  JSONContext *json = wctx->priv;
1370 
1371  json->item_sep = json->compact ? ", " : ",\n";
1372  json->item_start_end = json->compact ? " " : "\n";
1373 
1374  return 0;
1375 }
1376 
1377 static const char *json_escape_str(AVBPrint *dst, const char *src, void *log_ctx)
1378 {
1379  static const char json_escape[] = {'"', '\\', '\b', '\f', '\n', '\r', '\t', 0};
1380  static const char json_subst[] = {'"', '\\', 'b', 'f', 'n', 'r', 't', 0};
1381  const char *p;
1382 
1383  for (p = src; *p; p++) {
1384  char *s = strchr(json_escape, *p);
1385  if (s) {
1386  av_bprint_chars(dst, '\\', 1);
1387  av_bprint_chars(dst, json_subst[s - json_escape], 1);
1388  } else if ((unsigned char)*p < 32) {
1389  av_bprintf(dst, "\\u00%02x", *p & 0xff);
1390  } else {
1391  av_bprint_chars(dst, *p, 1);
1392  }
1393  }
1394  return dst->str;
1395 }
1396 
1397 #define JSON_INDENT() printf("%*c", json->indent_level * 4, ' ')
1398 
1399 static void json_print_section_header(WriterContext *wctx)
1400 {
1401  JSONContext *json = wctx->priv;
1402  AVBPrint buf;
1403  const struct section *section = wctx->section[wctx->level];
1404  const struct section *parent_section = wctx->level ?
1405  wctx->section[wctx->level-1] : NULL;
1406 
1407  if (wctx->level && wctx->nb_item[wctx->level-1])
1408  printf(",\n");
1409 
1410  if (section->flags & SECTION_FLAG_IS_WRAPPER) {
1411  printf("{\n");
1412  json->indent_level++;
1413  } else {
1414  av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1415  json_escape_str(&buf, section->name, wctx);
1416  JSON_INDENT();
1417 
1418  json->indent_level++;
1419  if (section->flags & SECTION_FLAG_IS_ARRAY) {
1420  printf("\"%s\": [\n", buf.str);
1421  } else if (parent_section && !(parent_section->flags & SECTION_FLAG_IS_ARRAY)) {
1422  printf("\"%s\": {%s", buf.str, json->item_start_end);
1423  } else {
1424  printf("{%s", json->item_start_end);
1425 
1426  /* this is required so the parser can distinguish between packets and frames */
1427  if (parent_section && parent_section->id == SECTION_ID_PACKETS_AND_FRAMES) {
1428  if (!json->compact)
1429  JSON_INDENT();
1430  printf("\"type\": \"%s\"%s", section->name, json->item_sep);
1431  }
1432  }
1433  av_bprint_finalize(&buf, NULL);
1434  }
1435 }
1436 
1437 static void json_print_section_footer(WriterContext *wctx)
1438 {
1439  JSONContext *json = wctx->priv;
1440  const struct section *section = wctx->section[wctx->level];
1441 
1442  if (wctx->level == 0) {
1443  json->indent_level--;
1444  printf("\n}\n");
1445  } else if (section->flags & SECTION_FLAG_IS_ARRAY) {
1446  printf("\n");
1447  json->indent_level--;
1448  JSON_INDENT();
1449  printf("]");
1450  } else {
1451  printf("%s", json->item_start_end);
1452  json->indent_level--;
1453  if (!json->compact)
1454  JSON_INDENT();
1455  printf("}");
1456  }
1457 }
1458 
1459 static inline void json_print_item_str(WriterContext *wctx,
1460  const char *key, const char *value)
1461 {
1462  AVBPrint buf;
1463 
1464  av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1465  printf("\"%s\":", json_escape_str(&buf, key, wctx));
1466  av_bprint_clear(&buf);
1467  printf(" \"%s\"", json_escape_str(&buf, value, wctx));
1468  av_bprint_finalize(&buf, NULL);
1469 }
1470 
1471 static void json_print_str(WriterContext *wctx, const char *key, const char *value)
1472 {
1473  JSONContext *json = wctx->priv;
1474 
1475  if (wctx->nb_item[wctx->level])
1476  printf("%s", json->item_sep);
1477  if (!json->compact)
1478  JSON_INDENT();
1479  json_print_item_str(wctx, key, value);
1480 }
1481 
1482 static void json_print_int(WriterContext *wctx, const char *key, long long int value)
1483 {
1484  JSONContext *json = wctx->priv;
1485  AVBPrint buf;
1486 
1487  if (wctx->nb_item[wctx->level])
1488  printf("%s", json->item_sep);
1489  if (!json->compact)
1490  JSON_INDENT();
1491 
1492  av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1493  printf("\"%s\": %lld", json_escape_str(&buf, key, wctx), value);
1494  av_bprint_finalize(&buf, NULL);
1495 }
1496 
1497 static const Writer json_writer = {
1498  .name = "json",
1499  .priv_size = sizeof(JSONContext),
1500  .init = json_init,
1501  .print_section_header = json_print_section_header,
1502  .print_section_footer = json_print_section_footer,
1503  .print_integer = json_print_int,
1504  .print_string = json_print_str,
1505  .flags = WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,
1506  .priv_class = &json_class,
1507 };
1508 
1509 /* XML output */
1510 
1511 typedef struct XMLContext {
1512  const AVClass *class;
1513  int within_tag;
1514  int indent_level;
1515  int fully_qualified;
1516  int xsd_strict;
1517 } XMLContext;
1518 
1519 #undef OFFSET
1520 #define OFFSET(x) offsetof(XMLContext, x)
1521 
1522 static const AVOption xml_options[] = {
1523  {"fully_qualified", "specify if the output should be fully qualified", OFFSET(fully_qualified), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
1524  {"q", "specify if the output should be fully qualified", OFFSET(fully_qualified), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
1525  {"xsd_strict", "ensure that the output is XSD compliant", OFFSET(xsd_strict), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
1526  {"x", "ensure that the output is XSD compliant", OFFSET(xsd_strict), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
1527  {NULL},
1528 };
1529 
1530 DEFINE_WRITER_CLASS(xml);
1531 
1532 static av_cold int xml_init(WriterContext *wctx)
1533 {
1534  XMLContext *xml = wctx->priv;
1535 
1536  if (xml->xsd_strict) {
1537  xml->fully_qualified = 1;
1538 #define CHECK_COMPLIANCE(opt, opt_name) \
1539  if (opt) { \
1540  av_log(wctx, AV_LOG_ERROR, \
1541  "XSD-compliant output selected but option '%s' was selected, XML output may be non-compliant.\n" \
1542  "You need to disable such option with '-no%s'\n", opt_name, opt_name); \
1543  return AVERROR(EINVAL); \
1544  }
1545  CHECK_COMPLIANCE(show_private_data, "private");
1546  CHECK_COMPLIANCE(show_value_unit, "unit");
1547  CHECK_COMPLIANCE(use_value_prefix, "prefix");
1548 
1549  if (do_show_frames && do_show_packets) {
1550  av_log(wctx, AV_LOG_ERROR,
1551  "Interleaved frames and packets are not allowed in XSD. "
1552  "Select only one between the -show_frames and the -show_packets options.\n");
1553  return AVERROR(EINVAL);
1554  }
1555  }
1556 
1557  return 0;
1558 }
1559 
1560 static const char *xml_escape_str(AVBPrint *dst, const char *src, void *log_ctx)
1561 {
1562  const char *p;
1563 
1564  for (p = src; *p; p++) {
1565  switch (*p) {
1566  case '&' : av_bprintf(dst, "%s", "&amp;"); break;
1567  case '<' : av_bprintf(dst, "%s", "&lt;"); break;
1568  case '>' : av_bprintf(dst, "%s", "&gt;"); break;
1569  case '"' : av_bprintf(dst, "%s", "&quot;"); break;
1570  case '\'': av_bprintf(dst, "%s", "&apos;"); break;
1571  default: av_bprint_chars(dst, *p, 1);
1572  }
1573  }
1574 
1575  return dst->str;
1576 }
1577 
1578 #define XML_INDENT() printf("%*c", xml->indent_level * 4, ' ')
1579 
1580 static void xml_print_section_header(WriterContext *wctx)
1581 {
1582  XMLContext *xml = wctx->priv;
1583  const struct section *section = wctx->section[wctx->level];
1584  const struct section *parent_section = wctx->level ?
1585  wctx->section[wctx->level-1] : NULL;
1586 
1587  if (wctx->level == 0) {
1588  const char *qual = " xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' "
1589  "xmlns:ffprobe='http://www.ffmpeg.org/schema/ffprobe' "
1590  "xsi:schemaLocation='http://www.ffmpeg.org/schema/ffprobe ffprobe.xsd'";
1591 
1592  printf("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");
1593  printf("<%sffprobe%s>\n",
1594  xml->fully_qualified ? "ffprobe:" : "",
1595  xml->fully_qualified ? qual : "");
1596  return;
1597  }
1598 
1599  if (xml->within_tag) {
1600  xml->within_tag = 0;
1601  printf(">\n");
1602  }
1603  if (section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS) {
1604  xml->indent_level++;
1605  } else {
1606  if (parent_section && (parent_section->flags & SECTION_FLAG_IS_WRAPPER) &&
1607  wctx->level && wctx->nb_item[wctx->level-1])
1608  printf("\n");
1609  xml->indent_level++;
1610 
1611  if (section->flags & SECTION_FLAG_IS_ARRAY) {
1612  XML_INDENT(); printf("<%s>\n", section->name);
1613  } else {
1614  XML_INDENT(); printf("<%s ", section->name);
1615  xml->within_tag = 1;
1616  }
1617  }
1618 }
1619 
1620 static void xml_print_section_footer(WriterContext *wctx)
1621 {
1622  XMLContext *xml = wctx->priv;
1623  const struct section *section = wctx->section[wctx->level];
1624 
1625  if (wctx->level == 0) {
1626  printf("</%sffprobe>\n", xml->fully_qualified ? "ffprobe:" : "");
1627  } else if (xml->within_tag) {
1628  xml->within_tag = 0;
1629  printf("/>\n");
1630  xml->indent_level--;
1631  } else if (section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS) {
1632  xml->indent_level--;
1633  } else {
1634  XML_INDENT(); printf("</%s>\n", section->name);
1635  xml->indent_level--;
1636  }
1637 }
1638 
1639 static void xml_print_str(WriterContext *wctx, const char *key, const char *value)
1640 {
1641  AVBPrint buf;
1642  XMLContext *xml = wctx->priv;
1643  const struct section *section = wctx->section[wctx->level];
1644 
1645  av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1646 
1647  if (section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS) {
1648  XML_INDENT();
1649  printf("<%s key=\"%s\"",
1650  section->element_name, xml_escape_str(&buf, key, wctx));
1651  av_bprint_clear(&buf);
1652  printf(" value=\"%s\"/>\n", xml_escape_str(&buf, value, wctx));
1653  } else {
1654  if (wctx->nb_item[wctx->level])
1655  printf(" ");
1656  printf("%s=\"%s\"", key, xml_escape_str(&buf, value, wctx));
1657  }
1658 
1659  av_bprint_finalize(&buf, NULL);
1660 }
1661 
1662 static void xml_print_int(WriterContext *wctx, const char *key, long long int value)
1663 {
1664  if (wctx->nb_item[wctx->level])
1665  printf(" ");
1666  printf("%s=\"%lld\"", key, value);
1667 }
1668 
1669 static Writer xml_writer = {
1670  .name = "xml",
1671  .priv_size = sizeof(XMLContext),
1672  .init = xml_init,
1673  .print_section_header = xml_print_section_header,
1674  .print_section_footer = xml_print_section_footer,
1675  .print_integer = xml_print_int,
1676  .print_string = xml_print_str,
1677  .flags = WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,
1678  .priv_class = &xml_class,
1679 };
1680 
1681 static void writer_register_all(void)
1682 {
1683  static int initialized;
1684 
1685  if (initialized)
1686  return;
1687  initialized = 1;
1688 
1689  writer_register(&default_writer);
1690  writer_register(&compact_writer);
1691  writer_register(&csv_writer);
1692  writer_register(&flat_writer);
1693  writer_register(&ini_writer);
1694  writer_register(&json_writer);
1695  writer_register(&xml_writer);
1696 }
1697 
1698 #define print_fmt(k, f, ...) do { \
1699  av_bprint_clear(&pbuf); \
1700  av_bprintf(&pbuf, f, __VA_ARGS__); \
1701  writer_print_string(w, k, pbuf.str, 0); \
1702 } while (0)
1703 
1704 #define print_int(k, v) writer_print_integer(w, k, v)
1705 #define print_q(k, v, s) writer_print_rational(w, k, v, s)
1706 #define print_str(k, v) writer_print_string(w, k, v, 0)
1707 #define print_str_opt(k, v) writer_print_string(w, k, v, PRINT_STRING_OPT)
1708 #define print_str_validate(k, v) writer_print_string(w, k, v, PRINT_STRING_VALIDATE)
1709 #define print_time(k, v, tb) writer_print_time(w, k, v, tb, 0)
1710 #define print_ts(k, v) writer_print_ts(w, k, v, 0)
1711 #define print_duration_time(k, v, tb) writer_print_time(w, k, v, tb, 1)
1712 #define print_duration_ts(k, v) writer_print_ts(w, k, v, 1)
1713 #define print_val(k, v, u) do { \
1714  struct unit_value uv; \
1715  uv.val.i = v; \
1716  uv.unit = u; \
1717  writer_print_string(w, k, value_string(val_str, sizeof(val_str), uv), 0); \
1718 } while (0)
1719 
1720 #define print_section_header(s) writer_print_section_header(w, s)
1721 #define print_section_footer(s) writer_print_section_footer(w, s)
1722 
1723 #define REALLOCZ_ARRAY_STREAM(ptr, cur_n, new_n) \
1724 { \
1725  ret = av_reallocp_array(&(ptr), (new_n), sizeof(*(ptr))); \
1726  if (ret < 0) \
1727  goto end; \
1728  memset( (ptr) + (cur_n), 0, ((new_n) - (cur_n)) * sizeof(*(ptr)) ); \
1729 }
1730 
1731 static inline int show_tags(WriterContext *w, AVDictionary *tags, int section_id)
1732 {
1733  AVDictionaryEntry *tag = NULL;
1734  int ret = 0;
1735 
1736  if (!tags)
1737  return 0;
1738  writer_print_section_header(w, section_id);
1739 
1740  while ((tag = av_dict_get(tags, "", tag, AV_DICT_IGNORE_SUFFIX))) {
1741  if ((ret = print_str_validate(tag->key, tag->value)) < 0)
1742  break;
1743  }
1744  writer_print_section_footer(w);
1745 
1746  return ret;
1747 }
1748 
1749 static void show_packet(WriterContext *w, AVFormatContext *fmt_ctx, AVPacket *pkt, int packet_idx)
1750 {
1751  char val_str[128];
1752  AVStream *st = fmt_ctx->streams[pkt->stream_index];
1753  AVBPrint pbuf;
1754  const char *s;
1755 
1756  av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
1757 
1758  writer_print_section_header(w, SECTION_ID_PACKET);
1759 
1760  s = av_get_media_type_string(st->codec->codec_type);
1761  if (s) print_str ("codec_type", s);
1762  else print_str_opt("codec_type", "unknown");
1763  print_int("stream_index", pkt->stream_index);
1764  print_ts ("pts", pkt->pts);
1765  print_time("pts_time", pkt->pts, &st->time_base);
1766  print_ts ("dts", pkt->dts);
1767  print_time("dts_time", pkt->dts, &st->time_base);
1768  print_duration_ts("duration", pkt->duration);
1769  print_duration_time("duration_time", pkt->duration, &st->time_base);
1770  print_duration_ts("convergence_duration", pkt->convergence_duration);
1771  print_duration_time("convergence_duration_time", pkt->convergence_duration, &st->time_base);
1772  print_val("size", pkt->size, unit_byte_str);
1773  if (pkt->pos != -1) print_fmt ("pos", "%"PRId64, pkt->pos);
1774  else print_str_opt("pos", "N/A");
1775  print_fmt("flags", "%c", pkt->flags & AV_PKT_FLAG_KEY ? 'K' : '_');
1776 
1777  if (pkt->side_data_elems) {
1778  int i;
1779  int size;
1780  const uint8_t *side_metadata;
1781 
1782  side_metadata = av_packet_get_side_data(pkt, AV_PKT_DATA_STRINGS_METADATA, &size);
1783  if (side_metadata && size && do_show_packet_tags) {
1784  AVDictionary *dict = NULL;
1785  if (av_packet_unpack_dictionary(side_metadata, size, &dict) >= 0)
1786  show_tags(w, dict, SECTION_ID_PACKET_TAGS);
1787  av_dict_free(&dict);
1788  }
1789  writer_print_section_header(w, SECTION_ID_PACKET_SIDE_DATA_LIST);
1790  for (i = 0; i < pkt->side_data_elems; i++) {
1791  AVPacketSideData *sd = &pkt->side_data[i];
1792  const char *name = av_packet_side_data_name(sd->type);
1793  writer_print_section_header(w, SECTION_ID_PACKET_SIDE_DATA);
1794  print_str("side_data_type", name ? name : "unknown");
1795  print_int("side_data_size", sd->size);
1796  if (sd->type == AV_PKT_DATA_DISPLAYMATRIX && sd->size >= 9*4) {
1797  writer_print_integers(w, "displaymatrix", sd->data, 9, " %11d", 3, 4, 1);
1798  print_int("rotation", av_display_rotation_get((int32_t *)sd->data));
1799  }
1800  writer_print_section_footer(w);
1801  }
1802  writer_print_section_footer(w);
1803  }
1804 
1805  if (do_show_data)
1806  writer_print_data(w, "data", pkt->data, pkt->size);
1807  writer_print_data_hash(w, "data_hash", pkt->data, pkt->size);
1808  writer_print_section_footer(w);
1809 
1810  av_bprint_finalize(&pbuf, NULL);
1811  fflush(stdout);
1812 }
1813 
1814 static void show_subtitle(WriterContext *w, AVSubtitle *sub, AVStream *stream,
1815  AVFormatContext *fmt_ctx)
1816 {
1817  AVBPrint pbuf;
1818 
1819  av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
1820 
1821  writer_print_section_header(w, SECTION_ID_SUBTITLE);
1822 
1823  print_str ("media_type", "subtitle");
1824  print_ts ("pts", sub->pts);
1825  print_time("pts_time", sub->pts, &AV_TIME_BASE_Q);
1826  print_int ("format", sub->format);
1827  print_int ("start_display_time", sub->start_display_time);
1828  print_int ("end_display_time", sub->end_display_time);
1829  print_int ("num_rects", sub->num_rects);
1830 
1831  writer_print_section_footer(w);
1832 
1833  av_bprint_finalize(&pbuf, NULL);
1834  fflush(stdout);
1835 }
1836 
1837 static void show_frame(WriterContext *w, AVFrame *frame, AVStream *stream,
1838  AVFormatContext *fmt_ctx)
1839 {
1840  AVBPrint pbuf;
1841  char val_str[128];
1842  const char *s;
1843  int i;
1844 
1845  av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
1846 
1847  writer_print_section_header(w, SECTION_ID_FRAME);
1848 
1849  s = av_get_media_type_string(stream->codec->codec_type);
1850  if (s) print_str ("media_type", s);
1851  else print_str_opt("media_type", "unknown");
1852  print_int("stream_index", stream->index);
1853  print_int("key_frame", frame->key_frame);
1854  print_ts ("pkt_pts", frame->pkt_pts);
1855  print_time("pkt_pts_time", frame->pkt_pts, &stream->time_base);
1856  print_ts ("pkt_dts", frame->pkt_dts);
1857  print_time("pkt_dts_time", frame->pkt_dts, &stream->time_base);
1858  print_ts ("best_effort_timestamp", av_frame_get_best_effort_timestamp(frame));
1859  print_time("best_effort_timestamp_time", av_frame_get_best_effort_timestamp(frame), &stream->time_base);
1860  print_duration_ts ("pkt_duration", av_frame_get_pkt_duration(frame));
1861  print_duration_time("pkt_duration_time", av_frame_get_pkt_duration(frame), &stream->time_base);
1862  if (av_frame_get_pkt_pos (frame) != -1) print_fmt ("pkt_pos", "%"PRId64, av_frame_get_pkt_pos(frame));
1863  else print_str_opt("pkt_pos", "N/A");
1864  if (av_frame_get_pkt_size(frame) != -1) print_val ("pkt_size", av_frame_get_pkt_size(frame), unit_byte_str);
1865  else print_str_opt("pkt_size", "N/A");
1866 
1867  switch (stream->codec->codec_type) {
1868  AVRational sar;
1869 
1870  case AVMEDIA_TYPE_VIDEO:
1871  print_int("width", frame->width);
1872  print_int("height", frame->height);
1873  s = av_get_pix_fmt_name(frame->format);
1874  if (s) print_str ("pix_fmt", s);
1875  else print_str_opt("pix_fmt", "unknown");
1876  sar = av_guess_sample_aspect_ratio(fmt_ctx, stream, frame);
1877  if (sar.num) {
1878  print_q("sample_aspect_ratio", sar, ':');
1879  } else {
1880  print_str_opt("sample_aspect_ratio", "N/A");
1881  }
1882  print_fmt("pict_type", "%c", av_get_picture_type_char(frame->pict_type));
1883  print_int("coded_picture_number", frame->coded_picture_number);
1884  print_int("display_picture_number", frame->display_picture_number);
1885  print_int("interlaced_frame", frame->interlaced_frame);
1886  print_int("top_field_first", frame->top_field_first);
1887  print_int("repeat_pict", frame->repeat_pict);
1888  break;
1889 
1890  case AVMEDIA_TYPE_AUDIO:
1891  s = av_get_sample_fmt_name(frame->format);
1892  if (s) print_str ("sample_fmt", s);
1893  else print_str_opt("sample_fmt", "unknown");
1894  print_int("nb_samples", frame->nb_samples);
1895  print_int("channels", av_frame_get_channels(frame));
1896  if (av_frame_get_channel_layout(frame)) {
1897  av_bprint_clear(&pbuf);
1898  av_bprint_channel_layout(&pbuf, av_frame_get_channels(frame),
1899  av_frame_get_channel_layout(frame));
1900  print_str ("channel_layout", pbuf.str);
1901  } else
1902  print_str_opt("channel_layout", "unknown");
1903  break;
1904  }
1905  if (do_show_frame_tags)
1906  show_tags(w, av_frame_get_metadata(frame), SECTION_ID_FRAME_TAGS);
1907  if (frame->nb_side_data) {
1908  writer_print_section_header(w, SECTION_ID_FRAME_SIDE_DATA_LIST);
1909  for (i = 0; i < frame->nb_side_data; i++) {
1910  AVFrameSideData *sd = frame->side_data[i];
1911  const char *name;
1912 
1913  writer_print_section_header(w, SECTION_ID_FRAME_SIDE_DATA);
1914  name = av_frame_side_data_name(sd->type);
1915  print_str("side_data_type", name ? name : "unknown");
1916  print_int("side_data_size", sd->size);
1917  if (sd->type == AV_FRAME_DATA_DISPLAYMATRIX && sd->size >= 9*4) {
1918  writer_print_integers(w, "displaymatrix", sd->data, 9, " %11d", 3, 4, 1);
1919  print_int("rotation", av_display_rotation_get((int32_t *)sd->data));
1920  } else if (sd->type == AV_FRAME_DATA_GOP_TIMECODE && sd->size >= 8) {
1921  char tcbuf[AV_TIMECODE_STR_SIZE];
1922  av_timecode_make_mpeg_tc_string(tcbuf, *(int64_t *)(sd->data));
1923  print_str("timecode", tcbuf);
1924  }
1925  writer_print_section_footer(w);
1926  }
1927  writer_print_section_footer(w);
1928  }
1929 
1930  writer_print_section_footer(w);
1931 
1932  av_bprint_finalize(&pbuf, NULL);
1933  fflush(stdout);
1934 }
1935 
1936 static av_always_inline int process_frame(WriterContext *w,
1937  AVFormatContext *fmt_ctx,
1938  AVFrame *frame, AVPacket *pkt)
1939 {
1940  AVCodecContext *dec_ctx = fmt_ctx->streams[pkt->stream_index]->codec;
1941  AVSubtitle sub;
1942  int ret = 0, got_frame = 0;
1943 
1944  if (dec_ctx->codec) {
1945  switch (dec_ctx->codec_type) {
1946  case AVMEDIA_TYPE_VIDEO:
1947  ret = avcodec_decode_video2(dec_ctx, frame, &got_frame, pkt);
1948  break;
1949 
1950  case AVMEDIA_TYPE_AUDIO:
1951  ret = avcodec_decode_audio4(dec_ctx, frame, &got_frame, pkt);
1952  break;
1953 
1954  case AVMEDIA_TYPE_SUBTITLE:
1955  ret = avcodec_decode_subtitle2(dec_ctx, &sub, &got_frame, pkt);
1956  break;
1957  }
1958  }
1959 
1960  if (ret < 0)
1961  return ret;
1962  ret = FFMIN(ret, pkt->size); /* guard against bogus return values */
1963  pkt->data += ret;
1964  pkt->size -= ret;
1965  if (got_frame) {
1966  int is_sub = (dec_ctx->codec_type == AVMEDIA_TYPE_SUBTITLE);
1967  nb_streams_frames[pkt->stream_index]++;
1968  if (do_show_frames)
1969  if (is_sub)
1970  show_subtitle(w, &sub, fmt_ctx->streams[pkt->stream_index], fmt_ctx);
1971  else
1972  show_frame(w, frame, fmt_ctx->streams[pkt->stream_index], fmt_ctx);
1973  if (is_sub)
1974  avsubtitle_free(&sub);
1975  }
1976  return got_frame;
1977 }
1978 
1979 static void log_read_interval(const ReadInterval *interval, void *log_ctx, int log_level)
1980 {
1981  av_log(log_ctx, log_level, "id:%d", interval->id);
1982 
1983  if (interval->has_start) {
1984  av_log(log_ctx, log_level, " start:%s%s", interval->start_is_offset ? "+" : "",
1985  av_ts2timestr(interval->start, &AV_TIME_BASE_Q));
1986  } else {
1987  av_log(log_ctx, log_level, " start:N/A");
1988  }
1989 
1990  if (interval->has_end) {
1991  av_log(log_ctx, log_level, " end:%s", interval->end_is_offset ? "+" : "");
1992  if (interval->duration_frames)
1993  av_log(log_ctx, log_level, "#%"PRId64, interval->end);
1994  else
1995  av_log(log_ctx, log_level, "%s", av_ts2timestr(interval->end, &AV_TIME_BASE_Q));
1996  } else {
1997  av_log(log_ctx, log_level, " end:N/A");
1998  }
1999 
2000  av_log(log_ctx, log_level, "\n");
2001 }
2002 
2003 static int read_interval_packets(WriterContext *w, AVFormatContext *fmt_ctx,
2004  const ReadInterval *interval, int64_t *cur_ts)
2005 {
2006  AVPacket pkt, pkt1;
2007  AVFrame *frame = NULL;
2008  int ret = 0, i = 0, frame_count = 0;
2009  int64_t start = -INT64_MAX, end = interval->end;
2010  int has_start = 0, has_end = interval->has_end && !interval->end_is_offset;
2011 
2012  av_init_packet(&pkt);
2013 
2014  av_log(NULL, AV_LOG_VERBOSE, "Processing read interval ");
2015  log_read_interval(interval, NULL, AV_LOG_VERBOSE);
2016 
2017  if (interval->has_start) {
2018  int64_t target;
2019  if (interval->start_is_offset) {
2020  if (*cur_ts == AV_NOPTS_VALUE) {
2021  av_log(NULL, AV_LOG_ERROR,
2022  "Could not seek to relative position since current "
2023  "timestamp is not defined\n");
2024  ret = AVERROR(EINVAL);
2025  goto end;
2026  }
2027  target = *cur_ts + interval->start;
2028  } else {
2029  target = interval->start;
2030  }
2031 
2032  av_log(NULL, AV_LOG_VERBOSE, "Seeking to read interval start point %s\n",
2033  av_ts2timestr(target, &AV_TIME_BASE_Q));
2034  if ((ret = avformat_seek_file(fmt_ctx, -1, -INT64_MAX, target, INT64_MAX, 0)) < 0) {
2035  av_log(NULL, AV_LOG_ERROR, "Could not seek to position %"PRId64": %s\n",
2036  interval->start, av_err2str(ret));
2037  goto end;
2038  }
2039  }
2040 
2041  frame = av_frame_alloc();
2042  if (!frame) {
2043  ret = AVERROR(ENOMEM);
2044  goto end;
2045  }
2046  while (!av_read_frame(fmt_ctx, &pkt)) {
2047  if (fmt_ctx->nb_streams > nb_streams) {
2048  REALLOCZ_ARRAY_STREAM(nb_streams_frames, nb_streams, fmt_ctx->nb_streams);
2049  REALLOCZ_ARRAY_STREAM(nb_streams_packets, nb_streams, fmt_ctx->nb_streams);
2050  REALLOCZ_ARRAY_STREAM(selected_streams, nb_streams, fmt_ctx->nb_streams);
2051  nb_streams = fmt_ctx->nb_streams;
2052  }
2053  if (selected_streams[pkt.stream_index]) {
2054  AVRational tb = fmt_ctx->streams[pkt.stream_index]->time_base;
2055 
2056  if (pkt.pts != AV_NOPTS_VALUE)
2057  *cur_ts = av_rescale_q(pkt.pts, tb, AV_TIME_BASE_Q);
2058 
2059  if (!has_start && *cur_ts != AV_NOPTS_VALUE) {
2060  start = *cur_ts;
2061  has_start = 1;
2062  }
2063 
2064  if (has_start && !has_end && interval->end_is_offset) {
2065  end = start + interval->end;
2066  has_end = 1;
2067  }
2068 
2069  if (interval->end_is_offset && interval->duration_frames) {
2070  if (frame_count >= interval->end)
2071  break;
2072  } else if (has_end && *cur_ts != AV_NOPTS_VALUE && *cur_ts >= end) {
2073  break;
2074  }
2075 
2076  frame_count++;
2077  if (do_read_packets) {
2078  if (do_show_packets)
2079  show_packet(w, fmt_ctx, &pkt, i++);
2080  nb_streams_packets[pkt.stream_index]++;
2081  }
2082  if (do_read_frames) {
2083  pkt1 = pkt;
2084  while (pkt1.size && process_frame(w, fmt_ctx, frame, &pkt1) > 0);
2085  }
2086  }
2087  av_packet_unref(&pkt);
2088  }
2089  av_init_packet(&pkt);
2090  pkt.data = NULL;
2091  pkt.size = 0;
2092  //Flush remaining frames that are cached in the decoder
2093  for (i = 0; i < fmt_ctx->nb_streams; i++) {
2094  pkt.stream_index = i;
2095  if (do_read_frames)
2096  while (process_frame(w, fmt_ctx, frame, &pkt) > 0);
2097  }
2098 
2099 end:
2100  av_frame_free(&frame);
2101  if (ret < 0) {
2102  av_log(NULL, AV_LOG_ERROR, "Could not read packets in interval ");
2103  log_read_interval(interval, NULL, AV_LOG_ERROR);
2104  }
2105  return ret;
2106 }
2107 
2108 static int read_packets(WriterContext *w, AVFormatContext *fmt_ctx)
2109 {
2110  int i, ret = 0;
2111  int64_t cur_ts = fmt_ctx->start_time;
2112 
2113  if (read_intervals_nb == 0) {
2114  ReadInterval interval = (ReadInterval) { .has_start = 0, .has_end = 0 };
2115  ret = read_interval_packets(w, fmt_ctx, &interval, &cur_ts);
2116  } else {
2117  for (i = 0; i < read_intervals_nb; i++) {
2118  ret = read_interval_packets(w, fmt_ctx, &read_intervals[i], &cur_ts);
2119  if (ret < 0)
2120  break;
2121  }
2122  }
2123 
2124  return ret;
2125 }
2126 
2127 static int show_stream(WriterContext *w, AVFormatContext *fmt_ctx, int stream_idx, int in_program)
2128 {
2129  AVStream *stream = fmt_ctx->streams[stream_idx];
2130  AVCodecContext *dec_ctx;
2131  const AVCodec *dec;
2132  char val_str[128];
2133  const char *s;
2134  AVRational sar, dar;
2135  AVBPrint pbuf;
2136  const AVCodecDescriptor *cd;
2137  int ret = 0;
2138 
2139  av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
2140 
2141  writer_print_section_header(w, in_program ? SECTION_ID_PROGRAM_STREAM : SECTION_ID_STREAM);
2142 
2143  print_int("index", stream->index);
2144 
2145  if ((dec_ctx = stream->codec)) {
2146  const char *profile = NULL;
2147  dec = dec_ctx->codec;
2148  if (dec) {
2149  print_str("codec_name", dec->name);
2150  if (!do_bitexact) {
2151  if (dec->long_name) print_str ("codec_long_name", dec->long_name);
2152  else print_str_opt("codec_long_name", "unknown");
2153  }
2154  } else if ((cd = avcodec_descriptor_get(stream->codec->codec_id))) {
2155  print_str_opt("codec_name", cd->name);
2156  if (!do_bitexact) {
2157  print_str_opt("codec_long_name",
2158  cd->long_name ? cd->long_name : "unknown");
2159  }
2160  } else {
2161  print_str_opt("codec_name", "unknown");
2162  if (!do_bitexact) {
2163  print_str_opt("codec_long_name", "unknown");
2164  }
2165  }
2166 
2167  if (!do_bitexact && dec && (profile = av_get_profile_name(dec, dec_ctx->profile)))
2168  print_str("profile", profile);
2169  else {
2170  if (dec_ctx->profile != FF_PROFILE_UNKNOWN) {
2171  char profile_num[12];
2172  snprintf(profile_num, sizeof(profile_num), "%d", dec_ctx->profile);
2173  print_str("profile", profile_num);
2174  } else
2175  print_str_opt("profile", "unknown");
2176  }
2177 
2178  s = av_get_media_type_string(dec_ctx->codec_type);
2179  if (s) print_str ("codec_type", s);
2180  else print_str_opt("codec_type", "unknown");
2181  print_q("codec_time_base", dec_ctx->time_base, '/');
2182 
2183  /* print AVI/FourCC tag */
2184  av_get_codec_tag_string(val_str, sizeof(val_str), dec_ctx->codec_tag);
2185  print_str("codec_tag_string", val_str);
2186  print_fmt("codec_tag", "0x%04x", dec_ctx->codec_tag);
2187 
2188  switch (dec_ctx->codec_type) {
2189  case AVMEDIA_TYPE_VIDEO:
2190  print_int("width", dec_ctx->width);
2191  print_int("height", dec_ctx->height);
2192  print_int("coded_width", dec_ctx->coded_width);
2193  print_int("coded_height", dec_ctx->coded_height);
2194  print_int("has_b_frames", dec_ctx->has_b_frames);
2195  sar = av_guess_sample_aspect_ratio(fmt_ctx, stream, NULL);
2196  if (sar.den) {
2197  print_q("sample_aspect_ratio", sar, ':');
2198  av_reduce(&dar.num, &dar.den,
2199  dec_ctx->width * sar.num,
2200  dec_ctx->height * sar.den,
2201  1024*1024);
2202  print_q("display_aspect_ratio", dar, ':');
2203  } else {
2204  print_str_opt("sample_aspect_ratio", "N/A");
2205  print_str_opt("display_aspect_ratio", "N/A");
2206  }
2207  s = av_get_pix_fmt_name(dec_ctx->pix_fmt);
2208  if (s) print_str ("pix_fmt", s);
2209  else print_str_opt("pix_fmt", "unknown");
2210  print_int("level", dec_ctx->level);
2211  if (dec_ctx->color_range != AVCOL_RANGE_UNSPECIFIED)
2212  print_str ("color_range", av_color_range_name(dec_ctx->color_range));
2213  else
2214  print_str_opt("color_range", "N/A");
2215  s = av_get_colorspace_name(dec_ctx->colorspace);
2216  if (s) print_str ("color_space", s);
2217  else print_str_opt("color_space", "unknown");
2218 
2219  if (dec_ctx->color_trc != AVCOL_TRC_UNSPECIFIED)
2220  print_str("color_transfer", av_color_transfer_name(dec_ctx->color_trc));
2221  else
2222  print_str_opt("color_transfer", av_color_transfer_name(dec_ctx->color_trc));
2223 
2224  if (dec_ctx->color_primaries != AVCOL_PRI_UNSPECIFIED)
2225  print_str("color_primaries", av_color_primaries_name(dec_ctx->color_primaries));
2226  else
2227  print_str_opt("color_primaries", av_color_primaries_name(dec_ctx->color_primaries));
2228 
2229  if (dec_ctx->chroma_sample_location != AVCHROMA_LOC_UNSPECIFIED)
2230  print_str("chroma_location", av_chroma_location_name(dec_ctx->chroma_sample_location));
2231  else
2232  print_str_opt("chroma_location", av_chroma_location_name(dec_ctx->chroma_sample_location));
2233 
2234 #if FF_API_PRIVATE_OPT
2235  if (dec_ctx->timecode_frame_start >= 0) {
2236  char tcbuf[AV_TIMECODE_STR_SIZE];
2237  av_timecode_make_mpeg_tc_string(tcbuf, dec_ctx->timecode_frame_start);
2238  print_str("timecode", tcbuf);
2239  } else {
2240  print_str_opt("timecode", "N/A");
2241  }
2242 #endif
2243  print_int("refs", dec_ctx->refs);
2244  break;
2245 
2246  case AVMEDIA_TYPE_AUDIO:
2247  s = av_get_sample_fmt_name(dec_ctx->sample_fmt);
2248  if (s) print_str ("sample_fmt", s);
2249  else print_str_opt("sample_fmt", "unknown");
2250  print_val("sample_rate", dec_ctx->sample_rate, unit_hertz_str);
2251  print_int("channels", dec_ctx->channels);
2252 
2253  if (dec_ctx->channel_layout) {
2254  av_bprint_clear(&pbuf);
2255  av_bprint_channel_layout(&pbuf, dec_ctx->channels, dec_ctx->channel_layout);
2256  print_str ("channel_layout", pbuf.str);
2257  } else {
2258  print_str_opt("channel_layout", "unknown");
2259  }
2260 
2261  print_int("bits_per_sample", av_get_bits_per_sample(dec_ctx->codec_id));
2262  break;
2263 
2264  case AVMEDIA_TYPE_SUBTITLE:
2265  if (dec_ctx->width)
2266  print_int("width", dec_ctx->width);
2267  else
2268  print_str_opt("width", "N/A");
2269  if (dec_ctx->height)
2270  print_int("height", dec_ctx->height);
2271  else
2272  print_str_opt("height", "N/A");
2273  break;
2274  }
2275  } else {
2276  print_str_opt("codec_type", "unknown");
2277  }
2278  if (dec_ctx->codec && dec_ctx->codec->priv_class && show_private_data) {
2279  const AVOption *opt = NULL;
2280  while (opt = av_opt_next(dec_ctx->priv_data,opt)) {
2281  uint8_t *str;
2282  if (opt->flags) continue;
2283  if (av_opt_get(dec_ctx->priv_data, opt->name, 0, &str) >= 0) {
2284  print_str(opt->name, str);
2285  av_free(str);
2286  }
2287  }
2288  }
2289 
2290  if (fmt_ctx->iformat->flags & AVFMT_SHOW_IDS) print_fmt ("id", "0x%x", stream->id);
2291  else print_str_opt("id", "N/A");
2292  print_q("r_frame_rate", stream->r_frame_rate, '/');
2293  print_q("avg_frame_rate", stream->avg_frame_rate, '/');
2294  print_q("time_base", stream->time_base, '/');
2295  print_ts ("start_pts", stream->start_time);
2296  print_time("start_time", stream->start_time, &stream->time_base);
2297  print_ts ("duration_ts", stream->duration);
2298  print_time("duration", stream->duration, &stream->time_base);
2299  if (dec_ctx->bit_rate > 0) print_val ("bit_rate", dec_ctx->bit_rate, unit_bit_per_second_str);
2300  else print_str_opt("bit_rate", "N/A");
2301  if (dec_ctx->rc_max_rate > 0) print_val ("max_bit_rate", dec_ctx->rc_max_rate, unit_bit_per_second_str);
2302  else print_str_opt("max_bit_rate", "N/A");
2303  if (dec_ctx->bits_per_raw_sample > 0) print_fmt("bits_per_raw_sample", "%d", dec_ctx->bits_per_raw_sample);
2304  else print_str_opt("bits_per_raw_sample", "N/A");
2305  if (stream->nb_frames) print_fmt ("nb_frames", "%"PRId64, stream->nb_frames);
2306  else print_str_opt("nb_frames", "N/A");
2307  if (nb_streams_frames[stream_idx]) print_fmt ("nb_read_frames", "%"PRIu64, nb_streams_frames[stream_idx]);
2308  else print_str_opt("nb_read_frames", "N/A");
2309  if (nb_streams_packets[stream_idx]) print_fmt ("nb_read_packets", "%"PRIu64, nb_streams_packets[stream_idx]);
2310  else print_str_opt("nb_read_packets", "N/A");
2311  if (do_show_data)
2312  writer_print_data(w, "extradata", dec_ctx->extradata,
2313  dec_ctx->extradata_size);
2314  writer_print_data_hash(w, "extradata_hash", dec_ctx->extradata,
2315  dec_ctx->extradata_size);
2316 
2317  /* Print disposition information */
2318 #define PRINT_DISPOSITION(flagname, name) do { \
2319  print_int(name, !!(stream->disposition & AV_DISPOSITION_##flagname)); \
2320  } while (0)
2321 
2322  if (do_show_stream_disposition) {
2323  writer_print_section_header(w, in_program ? SECTION_ID_PROGRAM_STREAM_DISPOSITION : SECTION_ID_STREAM_DISPOSITION);
2324  PRINT_DISPOSITION(DEFAULT, "default");
2325  PRINT_DISPOSITION(DUB, "dub");
2326  PRINT_DISPOSITION(ORIGINAL, "original");
2327  PRINT_DISPOSITION(COMMENT, "comment");
2328  PRINT_DISPOSITION(LYRICS, "lyrics");
2329  PRINT_DISPOSITION(KARAOKE, "karaoke");
2330  PRINT_DISPOSITION(FORCED, "forced");
2331  PRINT_DISPOSITION(HEARING_IMPAIRED, "hearing_impaired");
2332  PRINT_DISPOSITION(VISUAL_IMPAIRED, "visual_impaired");
2333  PRINT_DISPOSITION(CLEAN_EFFECTS, "clean_effects");
2334  PRINT_DISPOSITION(ATTACHED_PIC, "attached_pic");
2335  writer_print_section_footer(w);
2336  }
2337 
2338  if (do_show_stream_tags)
2339  ret = show_tags(w, stream->metadata, in_program ? SECTION_ID_PROGRAM_STREAM_TAGS : SECTION_ID_STREAM_TAGS);
2340 
2341  if (stream->nb_side_data) {
2342  int i;
2343  writer_print_section_header(w, SECTION_ID_STREAM_SIDE_DATA_LIST);
2344  for (i = 0; i < stream->nb_side_data; i++) {
2345  AVPacketSideData *sd = &stream->side_data[i];
2346  const char *name = av_packet_side_data_name(sd->type);
2347 
2348  writer_print_section_header(w, SECTION_ID_STREAM_SIDE_DATA);
2349  print_str("side_data_type", name ? name : "unknown");
2350  print_int("side_data_size", sd->size);
2351  if (sd->type == AV_PKT_DATA_DISPLAYMATRIX && sd->size >= 9*4) {
2352  writer_print_integers(w, "displaymatrix", sd->data, 9, " %11d", 3, 4, 1);
2353  print_int("rotation", av_display_rotation_get((int32_t *)sd->data));
2354  }
2355  writer_print_section_footer(w);
2356  }
2357  writer_print_section_footer(w);
2358  }
2359 
2360  writer_print_section_footer(w);
2361  av_bprint_finalize(&pbuf, NULL);
2362  fflush(stdout);
2363 
2364  return ret;
2365 }
2366 
2367 static int show_streams(WriterContext *w, AVFormatContext *fmt_ctx)
2368 {
2369  int i, ret = 0;
2370 
2371  writer_print_section_header(w, SECTION_ID_STREAMS);
2372  for (i = 0; i < fmt_ctx->nb_streams; i++)
2373  if (selected_streams[i]) {
2374  ret = show_stream(w, fmt_ctx, i, 0);
2375  if (ret < 0)
2376  break;
2377  }
2378  writer_print_section_footer(w);
2379 
2380  return ret;
2381 }
2382 
2383 static int show_program(WriterContext *w, AVFormatContext *fmt_ctx, AVProgram *program)
2384 {
2385  int i, ret = 0;
2386 
2387  writer_print_section_header(w, SECTION_ID_PROGRAM);
2388  print_int("program_id", program->id);
2389  print_int("program_num", program->program_num);
2390  print_int("nb_streams", program->nb_stream_indexes);
2391  print_int("pmt_pid", program->pmt_pid);
2392  print_int("pcr_pid", program->pcr_pid);
2393  print_ts("start_pts", program->start_time);
2394  print_time("start_time", program->start_time, &AV_TIME_BASE_Q);
2395  print_ts("end_pts", program->end_time);
2396  print_time("end_time", program->end_time, &AV_TIME_BASE_Q);
2397  if (do_show_program_tags)
2398  ret = show_tags(w, program->metadata, SECTION_ID_PROGRAM_TAGS);
2399  if (ret < 0)
2400  goto end;
2401 
2402  writer_print_section_header(w, SECTION_ID_PROGRAM_STREAMS);
2403  for (i = 0; i < program->nb_stream_indexes; i++) {
2404  if (selected_streams[program->stream_index[i]]) {
2405  ret = show_stream(w, fmt_ctx, program->stream_index[i], 1);
2406  if (ret < 0)
2407  break;
2408  }
2409  }
2410  writer_print_section_footer(w);
2411 
2412 end:
2413  writer_print_section_footer(w);
2414  return ret;
2415 }
2416 
2417 static int show_programs(WriterContext *w, AVFormatContext *fmt_ctx)
2418 {
2419  int i, ret = 0;
2420 
2421  writer_print_section_header(w, SECTION_ID_PROGRAMS);
2422  for (i = 0; i < fmt_ctx->nb_programs; i++) {
2423  AVProgram *program = fmt_ctx->programs[i];
2424  if (!program)
2425  continue;
2426  ret = show_program(w, fmt_ctx, program);
2427  if (ret < 0)
2428  break;
2429  }
2430  writer_print_section_footer(w);
2431  return ret;
2432 }
2433 
2434 static int show_chapters(WriterContext *w, AVFormatContext *fmt_ctx)
2435 {
2436  int i, ret = 0;
2437 
2438  writer_print_section_header(w, SECTION_ID_CHAPTERS);
2439  for (i = 0; i < fmt_ctx->nb_chapters; i++) {
2440  AVChapter *chapter = fmt_ctx->chapters[i];
2441 
2442  writer_print_section_header(w, SECTION_ID_CHAPTER);
2443  print_int("id", chapter->id);
2444  print_q ("time_base", chapter->time_base, '/');
2445  print_int("start", chapter->start);
2446  print_time("start_time", chapter->start, &chapter->time_base);
2447  print_int("end", chapter->end);
2448  print_time("end_time", chapter->end, &chapter->time_base);
2449  if (do_show_chapter_tags)
2450  ret = show_tags(w, chapter->metadata, SECTION_ID_CHAPTER_TAGS);
2451  writer_print_section_footer(w);
2452  }
2453  writer_print_section_footer(w);
2454 
2455  return ret;
2456 }
2457 
2458 static int show_format(WriterContext *w, AVFormatContext *fmt_ctx)
2459 {
2460  char val_str[128];
2461  int64_t size = fmt_ctx->pb ? avio_size(fmt_ctx->pb) : -1;
2462  int ret = 0;
2463 
2464  writer_print_section_header(w, SECTION_ID_FORMAT);
2465  print_str_validate("filename", fmt_ctx->filename);
2466  print_int("nb_streams", fmt_ctx->nb_streams);
2467  print_int("nb_programs", fmt_ctx->nb_programs);
2468  print_str("format_name", fmt_ctx->iformat->name);
2469  if (!do_bitexact) {
2470  if (fmt_ctx->iformat->long_name) print_str ("format_long_name", fmt_ctx->iformat->long_name);
2471  else print_str_opt("format_long_name", "unknown");
2472  }
2473  print_time("start_time", fmt_ctx->start_time, &AV_TIME_BASE_Q);
2474  print_time("duration", fmt_ctx->duration, &AV_TIME_BASE_Q);
2475  if (size >= 0) print_val ("size", size, unit_byte_str);
2476  else print_str_opt("size", "N/A");
2477  if (fmt_ctx->bit_rate > 0) print_val ("bit_rate", fmt_ctx->bit_rate, unit_bit_per_second_str);
2478  else print_str_opt("bit_rate", "N/A");
2479  print_int("probe_score", av_format_get_probe_score(fmt_ctx));
2480  if (do_show_format_tags)
2481  ret = show_tags(w, fmt_ctx->metadata, SECTION_ID_FORMAT_TAGS);
2482 
2483  writer_print_section_footer(w);
2484  fflush(stdout);
2485  return ret;
2486 }
2487 
2488 static void show_error(WriterContext *w, int err)
2489 {
2490  char errbuf[128];
2491  const char *errbuf_ptr = errbuf;
2492 
2493  if (av_strerror(err, errbuf, sizeof(errbuf)) < 0)
2494  errbuf_ptr = strerror(AVUNERROR(err));
2495 
2496  writer_print_section_header(w, SECTION_ID_ERROR);
2497  print_int("code", err);
2498  print_str("string", errbuf_ptr);
2499  writer_print_section_footer(w);
2500 }
2501 
2502 static int open_input_file(AVFormatContext **fmt_ctx_ptr, const char *filename)
2503 {
2504  int err, i, orig_nb_streams;
2505  AVFormatContext *fmt_ctx = NULL;
2506  AVDictionaryEntry *t;
2507  AVDictionary **opts;
2508  int scan_all_pmts_set = 0;
2509 
2510  if (!av_dict_get(format_opts, "scan_all_pmts", NULL, AV_DICT_MATCH_CASE)) {
2511  av_dict_set(&format_opts, "scan_all_pmts", "1", AV_DICT_DONT_OVERWRITE);
2512  scan_all_pmts_set = 1;
2513  }
2514  if ((err = avformat_open_input(&fmt_ctx, filename,
2515  iformat, &format_opts)) < 0) {
2516  print_error(filename, err);
2517  return err;
2518  }
2519  *fmt_ctx_ptr = fmt_ctx;
2520  if (scan_all_pmts_set)
2521  av_dict_set(&format_opts, "scan_all_pmts", NULL, AV_DICT_MATCH_CASE);
2522  if ((t = av_dict_get(format_opts, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
2523  av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
2524  return AVERROR_OPTION_NOT_FOUND;
2525  }
2526 
2527  /* fill the streams in the format context */
2528  opts = setup_find_stream_info_opts(fmt_ctx, codec_opts);
2529  orig_nb_streams = fmt_ctx->nb_streams;
2530 
2531  err = avformat_find_stream_info(fmt_ctx, opts);
2532 
2533  for (i = 0; i < orig_nb_streams; i++)
2534  av_dict_free(&opts[i]);
2535  av_freep(&opts);
2536 
2537  if (err < 0) {
2538  print_error(filename, err);
2539  return err;
2540  }
2541 
2542  av_dump_format(fmt_ctx, 0, filename, 0);
2543 
2544  /* bind a decoder to each input stream */
2545  for (i = 0; i < fmt_ctx->nb_streams; i++) {
2546  AVStream *stream = fmt_ctx->streams[i];
2547  AVCodec *codec;
2548 
2549  if (stream->codec->codec_id == AV_CODEC_ID_PROBE) {
2550  av_log(NULL, AV_LOG_WARNING,
2551  "Failed to probe codec for input stream %d\n",
2552  stream->index);
2553  } else if (!(codec = avcodec_find_decoder(stream->codec->codec_id))) {
2554  av_log(NULL, AV_LOG_WARNING,
2555  "Unsupported codec with id %d for input stream %d\n",
2556  stream->codec->codec_id, stream->index);
2557  } else {
2558  AVDictionary *opts = filter_codec_opts(codec_opts, stream->codec->codec_id,
2559  fmt_ctx, stream, codec);
2560  if (avcodec_open2(stream->codec, codec, &opts) < 0) {
2561  av_log(NULL, AV_LOG_WARNING, "Could not open codec for input stream %d\n",
2562  stream->index);
2563  }
2564  if ((t = av_dict_get(opts, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
2565  av_log(NULL, AV_LOG_ERROR, "Option %s for input stream %d not found\n",
2566  t->key, stream->index);
2567  return AVERROR_OPTION_NOT_FOUND;
2568  }
2569  }
2570  }
2571 
2572  *fmt_ctx_ptr = fmt_ctx;
2573  return 0;
2574 }
2575 
2576 static void close_input_file(AVFormatContext **ctx_ptr)
2577 {
2578  int i;
2579  AVFormatContext *fmt_ctx = *ctx_ptr;
2580 
2581  /* close decoder for each stream */
2582  for (i = 0; i < fmt_ctx->nb_streams; i++)
2583  if (fmt_ctx->streams[i]->codec->codec_id != AV_CODEC_ID_NONE)
2584  avcodec_close(fmt_ctx->streams[i]->codec);
2585 
2586  avformat_close_input(ctx_ptr);
2587 }
2588 
2589 static int probe_file(WriterContext *wctx, const char *filename)
2590 {
2591  AVFormatContext *fmt_ctx = NULL;
2592  int ret, i;
2593  int section_id;
2594 
2595  do_read_frames = do_show_frames || do_count_frames;
2596  do_read_packets = do_show_packets || do_count_packets;
2597 
2598  ret = open_input_file(&fmt_ctx, filename);
2599  if (ret < 0)
2600  goto end;
2601 
2602 #define CHECK_END if (ret < 0) goto end
2603 
2604  nb_streams = fmt_ctx->nb_streams;
2605  REALLOCZ_ARRAY_STREAM(nb_streams_frames,0,fmt_ctx->nb_streams);
2606  REALLOCZ_ARRAY_STREAM(nb_streams_packets,0,fmt_ctx->nb_streams);
2607  REALLOCZ_ARRAY_STREAM(selected_streams,0,fmt_ctx->nb_streams);
2608 
2609  for (i = 0; i < fmt_ctx->nb_streams; i++) {
2610  if (stream_specifier) {
2611  ret = avformat_match_stream_specifier(fmt_ctx,
2612  fmt_ctx->streams[i],
2613  stream_specifier);
2614  CHECK_END;
2615  else
2616  selected_streams[i] = ret;
2617  ret = 0;
2618  } else {
2619  selected_streams[i] = 1;
2620  }
2621  }
2622 
2623  if (do_read_frames || do_read_packets) {
2624  if (do_show_frames && do_show_packets &&
2625  wctx->writer->flags & WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER)
2626  section_id = SECTION_ID_PACKETS_AND_FRAMES;
2627  else if (do_show_packets && !do_show_frames)
2628  section_id = SECTION_ID_PACKETS;
2629  else // (!do_show_packets && do_show_frames)
2630  section_id = SECTION_ID_FRAMES;
2631  if (do_show_frames || do_show_packets)
2632  writer_print_section_header(wctx, section_id);
2633  ret = read_packets(wctx, fmt_ctx);
2634  if (do_show_frames || do_show_packets)
2635  writer_print_section_footer(wctx);
2636  CHECK_END;
2637  }
2638 
2639  if (do_show_programs) {
2640  ret = show_programs(wctx, fmt_ctx);
2641  CHECK_END;
2642  }
2643 
2644  if (do_show_streams) {
2645  ret = show_streams(wctx, fmt_ctx);
2646  CHECK_END;
2647  }
2648  if (do_show_chapters) {
2649  ret = show_chapters(wctx, fmt_ctx);
2650  CHECK_END;
2651  }
2652  if (do_show_format) {
2653  ret = show_format(wctx, fmt_ctx);
2654  CHECK_END;
2655  }
2656 
2657 end:
2658  if (fmt_ctx)
2659  close_input_file(&fmt_ctx);
2660  av_freep(&nb_streams_frames);
2661  av_freep(&nb_streams_packets);
2662  av_freep(&selected_streams);
2663 
2664  return ret;
2665 }
2666 
2667 static void show_usage(void)
2668 {
2669  av_log(NULL, AV_LOG_INFO, "Simple multimedia streams analyzer\n");
2670  av_log(NULL, AV_LOG_INFO, "usage: %s [OPTIONS] [INPUT_FILE]\n", program_name);
2671  av_log(NULL, AV_LOG_INFO, "\n");
2672 }
2673 
2674 static void ffprobe_show_program_version(WriterContext *w)
2675 {
2676  AVBPrint pbuf;
2677  av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
2678 
2679  writer_print_section_header(w, SECTION_ID_PROGRAM_VERSION);
2680  print_str("version", FFMPEG_VERSION);
2681  print_fmt("copyright", "Copyright (c) %d-%d the FFmpeg developers",
2682  program_birth_year, CONFIG_THIS_YEAR);
2683  print_str("compiler_ident", CC_IDENT);
2684  print_str("configuration", FFMPEG_CONFIGURATION);
2685  writer_print_section_footer(w);
2686 
2687  av_bprint_finalize(&pbuf, NULL);
2688 }
2689 
2690 #define SHOW_LIB_VERSION(libname, LIBNAME) \
2691  do { \
2692  if (CONFIG_##LIBNAME) { \
2693  unsigned int version = libname##_version(); \
2694  writer_print_section_header(w, SECTION_ID_LIBRARY_VERSION); \
2695  print_str("name", "lib" #libname); \
2696  print_int("major", LIB##LIBNAME##_VERSION_MAJOR); \
2697  print_int("minor", LIB##LIBNAME##_VERSION_MINOR); \
2698  print_int("micro", LIB##LIBNAME##_VERSION_MICRO); \
2699  print_int("version", version); \
2700  print_str("ident", LIB##LIBNAME##_IDENT); \
2701  writer_print_section_footer(w); \
2702  } \
2703  } while (0)
2704 
2705 static void ffprobe_show_library_versions(WriterContext *w)
2706 {
2707  writer_print_section_header(w, SECTION_ID_LIBRARY_VERSIONS);
2708  SHOW_LIB_VERSION(avutil, AVUTIL);
2709  SHOW_LIB_VERSION(avcodec, AVCODEC);
2710  SHOW_LIB_VERSION(avformat, AVFORMAT);
2711  SHOW_LIB_VERSION(avdevice, AVDEVICE);
2712  SHOW_LIB_VERSION(avfilter, AVFILTER);
2713  SHOW_LIB_VERSION(swscale, SWSCALE);
2714  SHOW_LIB_VERSION(swresample, SWRESAMPLE);
2715  SHOW_LIB_VERSION(postproc, POSTPROC);
2716  writer_print_section_footer(w);
2717 }
2718 
2719 #define PRINT_PIX_FMT_FLAG(flagname, name) \
2720  do { \
2721  print_int(name, !!(pixdesc->flags & AV_PIX_FMT_FLAG_##flagname)); \
2722  } while (0)
2723 
2724 static void ffprobe_show_pixel_formats(WriterContext *w)
2725 {
2726  const AVPixFmtDescriptor *pixdesc = NULL;
2727  int i, n;
2728 
2729  writer_print_section_header(w, SECTION_ID_PIXEL_FORMATS);
2730  while (pixdesc = av_pix_fmt_desc_next(pixdesc)) {
2731  writer_print_section_header(w, SECTION_ID_PIXEL_FORMAT);
2732  print_str("name", pixdesc->name);
2733  print_int("nb_components", pixdesc->nb_components);
2734  if ((pixdesc->nb_components >= 3) && !(pixdesc->flags & AV_PIX_FMT_FLAG_RGB)) {
2735  print_int ("log2_chroma_w", pixdesc->log2_chroma_w);
2736  print_int ("log2_chroma_h", pixdesc->log2_chroma_h);
2737  } else {
2738  print_str_opt("log2_chroma_w", "N/A");
2739  print_str_opt("log2_chroma_h", "N/A");
2740  }
2741  n = av_get_bits_per_pixel(pixdesc);
2742  if (n) print_int ("bits_per_pixel", n);
2743  else print_str_opt("bits_per_pixel", "N/A");
2744  if (do_show_pixel_format_flags) {
2745  writer_print_section_header(w, SECTION_ID_PIXEL_FORMAT_FLAGS);
2746  PRINT_PIX_FMT_FLAG(BE, "big_endian");
2747  PRINT_PIX_FMT_FLAG(PAL, "palette");
2748  PRINT_PIX_FMT_FLAG(BITSTREAM, "bitstream");
2749  PRINT_PIX_FMT_FLAG(HWACCEL, "hwaccel");
2750  PRINT_PIX_FMT_FLAG(PLANAR, "planar");
2751  PRINT_PIX_FMT_FLAG(RGB, "rgb");
2752  PRINT_PIX_FMT_FLAG(PSEUDOPAL, "pseudopal");
2753  PRINT_PIX_FMT_FLAG(ALPHA, "alpha");
2754  writer_print_section_footer(w);
2755  }
2756  if (do_show_pixel_format_components && (pixdesc->nb_components > 0)) {
2757  writer_print_section_header(w, SECTION_ID_PIXEL_FORMAT_COMPONENTS);
2758  for (i = 0; i < pixdesc->nb_components; i++) {
2759  writer_print_section_header(w, SECTION_ID_PIXEL_FORMAT_COMPONENT);
2760  print_int("index", i + 1);
2761  print_int("bit_depth", pixdesc->comp[i].depth);
2762  writer_print_section_footer(w);
2763  }
2764  writer_print_section_footer(w);
2765  }
2766  writer_print_section_footer(w);
2767  }
2768  writer_print_section_footer(w);
2769 }
2770 
2771 static int opt_format(void *optctx, const char *opt, const char *arg)
2772 {
2773  iformat = av_find_input_format(arg);
2774  if (!iformat) {
2775  av_log(NULL, AV_LOG_ERROR, "Unknown input format: %s\n", arg);
2776  return AVERROR(EINVAL);
2777  }
2778  return 0;
2779 }
2780 
2781 static inline void mark_section_show_entries(SectionID section_id,
2782  int show_all_entries, AVDictionary *entries)
2783 {
2784  struct section *section = &sections[section_id];
2785 
2786  section->show_all_entries = show_all_entries;
2787  if (show_all_entries) {
2788  SectionID *id;
2789  for (id = section->children_ids; *id != -1; id++)
2790  mark_section_show_entries(*id, show_all_entries, entries);
2791  } else {
2792  av_dict_copy(&section->entries_to_show, entries, 0);
2793  }
2794 }
2795 
2796 static int match_section(const char *section_name,
2797  int show_all_entries, AVDictionary *entries)
2798 {
2799  int i, ret = 0;
2800 
2801  for (i = 0; i < FF_ARRAY_ELEMS(sections); i++) {
2802  const struct section *section = &sections[i];
2803  if (!strcmp(section_name, section->name) ||
2804  (section->unique_name && !strcmp(section_name, section->unique_name))) {
2805  av_log(NULL, AV_LOG_DEBUG,
2806  "'%s' matches section with unique name '%s'\n", section_name,
2807  (char *)av_x_if_null(section->unique_name, section->name));
2808  ret++;
2809  mark_section_show_entries(section->id, show_all_entries, entries);
2810  }
2811  }
2812  return ret;
2813 }
2814 
2815 static int opt_show_entries(void *optctx, const char *opt, const char *arg)
2816 {
2817  const char *p = arg;
2818  int ret = 0;
2819 
2820  while (*p) {
2821  AVDictionary *entries = NULL;
2822  char *section_name = av_get_token(&p, "=:");
2823  int show_all_entries = 0;
2824 
2825  if (!section_name) {
2826  av_log(NULL, AV_LOG_ERROR,
2827  "Missing section name for option '%s'\n", opt);
2828  return AVERROR(EINVAL);
2829  }
2830 
2831  if (*p == '=') {
2832  p++;
2833  while (*p && *p != ':') {
2834  char *entry = av_get_token(&p, ",:");
2835  if (!entry)
2836  break;
2837  av_log(NULL, AV_LOG_VERBOSE,
2838  "Adding '%s' to the entries to show in section '%s'\n",
2839  entry, section_name);
2840  av_dict_set(&entries, entry, "", AV_DICT_DONT_STRDUP_KEY);
2841  if (*p == ',')
2842  p++;
2843  }
2844  } else {
2845  show_all_entries = 1;
2846  }
2847 
2848  ret = match_section(section_name, show_all_entries, entries);
2849  if (ret == 0) {
2850  av_log(NULL, AV_LOG_ERROR, "No match for section '%s'\n", section_name);
2851  ret = AVERROR(EINVAL);
2852  }
2853  av_dict_free(&entries);
2854  av_free(section_name);
2855 
2856  if (ret <= 0)
2857  break;
2858  if (*p)
2859  p++;
2860  }
2861 
2862  return ret;
2863 }
2864 
2865 static int opt_show_format_entry(void *optctx, const char *opt, const char *arg)
2866 {
2867  char *buf = av_asprintf("format=%s", arg);
2868  int ret;
2869 
2870  if (!buf)
2871  return AVERROR(ENOMEM);
2872 
2873  av_log(NULL, AV_LOG_WARNING,
2874  "Option '%s' is deprecated, use '-show_entries format=%s' instead\n",
2875  opt, arg);
2876  ret = opt_show_entries(optctx, opt, buf);
2877  av_free(buf);
2878  return ret;
2879 }
2880 
2881 static void opt_input_file(void *optctx, const char *arg)
2882 {
2883  if (input_filename) {
2884  av_log(NULL, AV_LOG_ERROR,
2885  "Argument '%s' provided as input filename, but '%s' was already specified.\n",
2886  arg, input_filename);
2887  exit_program(1);
2888  }
2889  if (!strcmp(arg, "-"))
2890  arg = "pipe:";
2891  input_filename = arg;
2892 }
2893 
2894 static int opt_input_file_i(void *optctx, const char *opt, const char *arg)
2895 {
2896  opt_input_file(optctx, arg);
2897  return 0;
2898 }
2899 
2900 void show_help_default(const char *opt, const char *arg)
2901 {
2902  av_log_set_callback(log_callback_help);
2903  show_usage();
2904  show_help_options(options, "Main options:", 0, 0, 0);
2905  printf("\n");
2906 
2907  show_help_children(avformat_get_class(), AV_OPT_FLAG_DECODING_PARAM);
2908 }
2909 
2910 /**
2911  * Parse interval specification, according to the format:
2912  * INTERVAL ::= [START|+START_OFFSET][%[END|+END_OFFSET]]
2913  * INTERVALS ::= INTERVAL[,INTERVALS]
2914 */
2915 static int parse_read_interval(const char *interval_spec,
2916  ReadInterval *interval)
2917 {
2918  int ret = 0;
2919  char *next, *p, *spec = av_strdup(interval_spec);
2920  if (!spec)
2921  return AVERROR(ENOMEM);
2922 
2923  if (!*spec) {
2924  av_log(NULL, AV_LOG_ERROR, "Invalid empty interval specification\n");
2925  ret = AVERROR(EINVAL);
2926  goto end;
2927  }
2928 
2929  p = spec;
2930  next = strchr(spec, '%');
2931  if (next)
2932  *next++ = 0;
2933 
2934  /* parse first part */
2935  if (*p) {
2936  interval->has_start = 1;
2937 
2938  if (*p == '+') {
2939  interval->start_is_offset = 1;
2940  p++;
2941  } else {
2942  interval->start_is_offset = 0;
2943  }
2944 
2945  ret = av_parse_time(&interval->start, p, 1);
2946  if (ret < 0) {
2947  av_log(NULL, AV_LOG_ERROR, "Invalid interval start specification '%s'\n", p);
2948  goto end;
2949  }
2950  } else {
2951  interval->has_start = 0;
2952  }
2953 
2954  /* parse second part */
2955  p = next;
2956  if (p && *p) {
2957  int64_t us;
2958  interval->has_end = 1;
2959 
2960  if (*p == '+') {
2961  interval->end_is_offset = 1;
2962  p++;
2963  } else {
2964  interval->end_is_offset = 0;
2965  }
2966 
2967  if (interval->end_is_offset && *p == '#') {
2968  long long int lli;
2969  char *tail;
2970  interval->duration_frames = 1;
2971  p++;
2972  lli = strtoll(p, &tail, 10);
2973  if (*tail || lli < 0) {
2974  av_log(NULL, AV_LOG_ERROR,
2975  "Invalid or negative value '%s' for duration number of frames\n", p);
2976  goto end;
2977  }
2978  interval->end = lli;
2979  } else {
2980  ret = av_parse_time(&us, p, 1);
2981  if (ret < 0) {
2982  av_log(NULL, AV_LOG_ERROR, "Invalid interval end/duration specification '%s'\n", p);
2983  goto end;
2984  }
2985  interval->end = us;
2986  }
2987  } else {
2988  interval->has_end = 0;
2989  }
2990 
2991 end:
2992  av_free(spec);
2993  return ret;
2994 }
2995 
2996 static int parse_read_intervals(const char *intervals_spec)
2997 {
2998  int ret, n, i;
2999  char *p, *spec = av_strdup(intervals_spec);
3000  if (!spec)
3001  return AVERROR(ENOMEM);
3002 
3003  /* preparse specification, get number of intervals */
3004  for (n = 0, p = spec; *p; p++)
3005  if (*p == ',')
3006  n++;
3007  n++;
3008 
3009  read_intervals = av_malloc_array(n, sizeof(*read_intervals));
3010  if (!read_intervals) {
3011  ret = AVERROR(ENOMEM);
3012  goto end;
3013  }
3014  read_intervals_nb = n;
3015 
3016  /* parse intervals */
3017  p = spec;
3018  for (i = 0; p; i++) {
3019  char *next;
3020 
3021  av_assert0(i < read_intervals_nb);
3022  next = strchr(p, ',');
3023  if (next)
3024  *next++ = 0;
3025 
3026  read_intervals[i].id = i;
3027  ret = parse_read_interval(p, &read_intervals[i]);
3028  if (ret < 0) {
3029  av_log(NULL, AV_LOG_ERROR, "Error parsing read interval #%d '%s'\n",
3030  i, p);
3031  goto end;
3032  }
3033  av_log(NULL, AV_LOG_VERBOSE, "Parsed log interval ");
3034  log_read_interval(&read_intervals[i], NULL, AV_LOG_VERBOSE);
3035  p = next;
3036  }
3037  av_assert0(i == read_intervals_nb);
3038 
3039 end:
3040  av_free(spec);
3041  return ret;
3042 }
3043 
3044 static int opt_read_intervals(void *optctx, const char *opt, const char *arg)
3045 {
3046  return parse_read_intervals(arg);
3047 }
3048 
3049 static int opt_pretty(void *optctx, const char *opt, const char *arg)
3050 {
3051  show_value_unit = 1;
3052  use_value_prefix = 1;
3053  use_byte_value_binary_prefix = 1;
3054  use_value_sexagesimal_format = 1;
3055  return 0;
3056 }
3057 
3058 static void print_section(SectionID id, int level)
3059 {
3060  const SectionID *pid;
3061  const struct section *section = &sections[id];
3062  printf("%c%c%c",
3063  section->flags & SECTION_FLAG_IS_WRAPPER ? 'W' : '.',
3064  section->flags & SECTION_FLAG_IS_ARRAY ? 'A' : '.',
3065  section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS ? 'V' : '.');
3066  printf("%*c %s", level * 4, ' ', section->name);
3067  if (section->unique_name)
3068  printf("/%s", section->unique_name);
3069  printf("\n");
3070 
3071  for (pid = section->children_ids; *pid != -1; pid++)
3072  print_section(*pid, level+1);
3073 }
3074 
3075 static int opt_sections(void *optctx, const char *opt, const char *arg)
3076 {
3077  printf("Sections:\n"
3078  "W.. = Section is a wrapper (contains other sections, no local entries)\n"
3079  ".A. = Section contains an array of elements of the same type\n"
3080  "..V = Section may contain a variable number of fields with variable keys\n"
3081  "FLAGS NAME/UNIQUE_NAME\n"
3082  "---\n");
3083  print_section(SECTION_ID_ROOT, 0);
3084  return 0;
3085 }
3086 
3087 static int opt_show_versions(const char *opt, const char *arg)
3088 {
3089  mark_section_show_entries(SECTION_ID_PROGRAM_VERSION, 1, NULL);
3090  mark_section_show_entries(SECTION_ID_LIBRARY_VERSION, 1, NULL);
3091  return 0;
3092 }
3093 
3094 #define DEFINE_OPT_SHOW_SECTION(section, target_section_id) \
3095  static int opt_show_##section(const char *opt, const char *arg) \
3096  { \
3097  mark_section_show_entries(SECTION_ID_##target_section_id, 1, NULL); \
3098  return 0; \
3099  }
3100 
3101 DEFINE_OPT_SHOW_SECTION(chapters, CHAPTERS)
3102 DEFINE_OPT_SHOW_SECTION(error, ERROR)
3103 DEFINE_OPT_SHOW_SECTION(format, FORMAT)
3104 DEFINE_OPT_SHOW_SECTION(frames, FRAMES)
3105 DEFINE_OPT_SHOW_SECTION(library_versions, LIBRARY_VERSIONS)
3106 DEFINE_OPT_SHOW_SECTION(packets, PACKETS)
3107 DEFINE_OPT_SHOW_SECTION(pixel_formats, PIXEL_FORMATS)
3108 DEFINE_OPT_SHOW_SECTION(program_version, PROGRAM_VERSION)
3109 DEFINE_OPT_SHOW_SECTION(streams, STREAMS)
3110 DEFINE_OPT_SHOW_SECTION(programs, PROGRAMS)
3111 
3112 static const OptionDef real_options[] = {
3113 #include "cmdutils_common_opts.h"
3114  { "f", HAS_ARG, {.func_arg = opt_format}, "force format", "format" },
3115  { "unit", OPT_BOOL, {&show_value_unit}, "show unit of the displayed values" },
3116  { "prefix", OPT_BOOL, {&use_value_prefix}, "use SI prefixes for the displayed values" },
3117  { "byte_binary_prefix", OPT_BOOL, {&use_byte_value_binary_prefix},
3118  "use binary prefixes for byte units" },
3119  { "sexagesimal", OPT_BOOL, {&use_value_sexagesimal_format},
3120  "use sexagesimal format HOURS:MM:SS.MICROSECONDS for time units" },
3121  { "pretty", 0, {.func_arg = opt_pretty},
3122  "prettify the format of displayed values, make it more human readable" },
3123  { "print_format", OPT_STRING | HAS_ARG, {(void*)&print_format},
3124  "set the output printing format (available formats are: default, compact, csv, flat, ini, json, xml)", "format" },
3125  { "of", OPT_STRING | HAS_ARG, {(void*)&print_format}, "alias for -print_format", "format" },
3126  { "select_streams", OPT_STRING | HAS_ARG, {(void*)&stream_specifier}, "select the specified streams", "stream_specifier" },
3127  { "sections", OPT_EXIT, {.func_arg = opt_sections}, "print sections structure and section information, and exit" },
3128  { "show_data", OPT_BOOL, {(void*)&do_show_data}, "show packets data" },
3129  { "show_data_hash", OPT_STRING | HAS_ARG, {(void*)&show_data_hash}, "show packets data hash" },
3130  { "show_error", 0, {(void*)&opt_show_error}, "show probing error" },
3131  { "show_format", 0, {(void*)&opt_show_format}, "show format/container info" },
3132  { "show_frames", 0, {(void*)&opt_show_frames}, "show frames info" },
3133  { "show_format_entry", HAS_ARG, {.func_arg = opt_show_format_entry},
3134  "show a particular entry from the format/container info", "entry" },
3135  { "show_entries", HAS_ARG, {.func_arg = opt_show_entries},
3136  "show a set of specified entries", "entry_list" },
3137  { "show_packets", 0, {(void*)&opt_show_packets}, "show packets info" },
3138  { "show_programs", 0, {(void*)&opt_show_programs}, "show programs info" },
3139  { "show_streams", 0, {(void*)&opt_show_streams}, "show streams info" },
3140  { "show_chapters", 0, {(void*)&opt_show_chapters}, "show chapters info" },
3141  { "count_frames", OPT_BOOL, {(void*)&do_count_frames}, "count the number of frames per stream" },
3142  { "count_packets", OPT_BOOL, {(void*)&do_count_packets}, "count the number of packets per stream" },
3143  { "show_program_version", 0, {(void*)&opt_show_program_version}, "show ffprobe version" },
3144  { "show_library_versions", 0, {(void*)&opt_show_library_versions}, "show library versions" },
3145  { "show_versions", 0, {(void*)&opt_show_versions}, "show program and library versions" },
3146  { "show_pixel_formats", 0, {(void*)&opt_show_pixel_formats}, "show pixel format descriptions" },
3147  { "show_private_data", OPT_BOOL, {(void*)&show_private_data}, "show private data" },
3148  { "private", OPT_BOOL, {(void*)&show_private_data}, "same as show_private_data" },
3149  { "bitexact", OPT_BOOL, {&do_bitexact}, "force bitexact output" },
3150  { "read_intervals", HAS_ARG, {.func_arg = opt_read_intervals}, "set read intervals", "read_intervals" },
3151  { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {.func_arg = opt_default}, "generic catch all option", "" },
3152  { "i", HAS_ARG, {.func_arg = opt_input_file_i}, "read specified file", "input_file"},
3153  { NULL, },
3154 };
3155 
3156 static inline int check_section_show_entries(int section_id)
3157 {
3158  int *id;
3159  struct section *section = &sections[section_id];
3160  if (sections[section_id].show_all_entries || sections[section_id].entries_to_show)
3161  return 1;
3162  for (id = section->children_ids; *id != -1; id++)
3163  if (check_section_show_entries(*id))
3164  return 1;
3165  return 0;
3166 }
3167 
3168 #define SET_DO_SHOW(id, varname) do { \
3169  if (check_section_show_entries(SECTION_ID_##id)) \
3170  do_show_##varname = 1; \
3171  } while (0)
3172 
3173 int main(int argc, char **argv)
3174 {
3175  const Writer *w;
3176  WriterContext *wctx;
3177  char *buf;
3178  char *w_name = NULL, *w_args = NULL;
3179  int ret, i;
3180 
3181  av_log_set_flags(AV_LOG_SKIP_REPEATED);
3182  register_exit(ffprobe_cleanup);
3183 
3184  options = real_options;
3185  parse_loglevel(argc, argv, options);
3186  av_register_all();
3187  avformat_network_init();
3188  init_opts();
3189 #if CONFIG_AVDEVICE
3190  avdevice_register_all();
3191 #endif
3192 
3193  show_banner(argc, argv, options);
3194  parse_options(NULL, argc, argv, options, opt_input_file);
3195 
3196  /* mark things to show, based on -show_entries */
3197  SET_DO_SHOW(CHAPTERS, chapters);
3198  SET_DO_SHOW(ERROR, error);
3199  SET_DO_SHOW(FORMAT, format);
3200  SET_DO_SHOW(FRAMES, frames);
3201  SET_DO_SHOW(LIBRARY_VERSIONS, library_versions);
3202  SET_DO_SHOW(PACKETS, packets);
3203  SET_DO_SHOW(PIXEL_FORMATS, pixel_formats);
3204  SET_DO_SHOW(PIXEL_FORMAT_FLAGS, pixel_format_flags);
3205  SET_DO_SHOW(PIXEL_FORMAT_COMPONENTS, pixel_format_components);
3206  SET_DO_SHOW(PROGRAM_VERSION, program_version);
3207  SET_DO_SHOW(PROGRAMS, programs);
3208  SET_DO_SHOW(STREAMS, streams);
3209  SET_DO_SHOW(STREAM_DISPOSITION, stream_disposition);
3210  SET_DO_SHOW(PROGRAM_STREAM_DISPOSITION, stream_disposition);
3211 
3212  SET_DO_SHOW(CHAPTER_TAGS, chapter_tags);
3213  SET_DO_SHOW(FORMAT_TAGS, format_tags);
3214  SET_DO_SHOW(FRAME_TAGS, frame_tags);
3215  SET_DO_SHOW(PROGRAM_TAGS, program_tags);
3216  SET_DO_SHOW(STREAM_TAGS, stream_tags);
3217  SET_DO_SHOW(PACKET_TAGS, packet_tags);
3218 
3219  if (do_bitexact && (do_show_program_version || do_show_library_versions)) {
3220  av_log(NULL, AV_LOG_ERROR,
3221  "-bitexact and -show_program_version or -show_library_versions "
3222  "options are incompatible\n");
3223  ret = AVERROR(EINVAL);
3224  goto end;
3225  }
3226 
3227  writer_register_all();
3228 
3229  if (!print_format)
3230  print_format = av_strdup("default");
3231  if (!print_format) {
3232  ret = AVERROR(ENOMEM);
3233  goto end;
3234  }
3235  w_name = av_strtok(print_format, "=", &buf);
3236  w_args = buf;
3237 
3238  if (show_data_hash) {
3239  if ((ret = av_hash_alloc(&hash, show_data_hash)) < 0) {
3240  if (ret == AVERROR(EINVAL)) {
3241  const char *n;
3242  av_log(NULL, AV_LOG_ERROR,
3243  "Unknown hash algorithm '%s'\nKnown algorithms:",
3244  show_data_hash);
3245  for (i = 0; (n = av_hash_names(i)); i++)
3246  av_log(NULL, AV_LOG_ERROR, " %s", n);
3247  av_log(NULL, AV_LOG_ERROR, "\n");
3248  }
3249  goto end;
3250  }
3251  }
3252 
3253  w = writer_get_by_name(w_name);
3254  if (!w) {
3255  av_log(NULL, AV_LOG_ERROR, "Unknown output format with name '%s'\n", w_name);
3256  ret = AVERROR(EINVAL);
3257  goto end;
3258  }
3259 
3260  if ((ret = writer_open(&wctx, w, w_args,
3261  sections, FF_ARRAY_ELEMS(sections))) >= 0) {
3262  if (w == &xml_writer)
3263  wctx->string_validation_utf8_flags |= AV_UTF8_FLAG_EXCLUDE_XML_INVALID_CONTROL_CODES;
3264 
3265  writer_print_section_header(wctx, SECTION_ID_ROOT);
3266 
3267  if (do_show_program_version)
3268  ffprobe_show_program_version(wctx);
3269  if (do_show_library_versions)
3270  ffprobe_show_library_versions(wctx);
3271  if (do_show_pixel_formats)
3272  ffprobe_show_pixel_formats(wctx);
3273 
3274  if (!input_filename &&
3275  ((do_show_format || do_show_programs || do_show_streams || do_show_chapters || do_show_packets || do_show_error) ||
3276  (!do_show_program_version && !do_show_library_versions && !do_show_pixel_formats))) {
3277  show_usage();
3278  av_log(NULL, AV_LOG_ERROR, "You have to specify one input file.\n");
3279  av_log(NULL, AV_LOG_ERROR, "Use -h to get full help or, even better, run 'man %s'.\n", program_name);
3280  ret = AVERROR(EINVAL);
3281  } else if (input_filename) {
3282  ret = probe_file(wctx, input_filename);
3283  if (ret < 0 && do_show_error)
3284  show_error(wctx, ret);
3285  }
3286 
3287  writer_print_section_footer(wctx);
3288  writer_close(&wctx);
3289  }
3290 
3291 end:
3292  av_freep(&print_format);
3293  av_freep(&read_intervals);
3294  av_hash_freep(&hash);
3295 
3296  uninit_opts();
3297  for (i = 0; i < FF_ARRAY_ELEMS(sections); i++)
3298  av_dict_free(&(sections[i].entries_to_show));
3299 
3300  avformat_network_deinit();
3301 
3302  return ret < 0;
3303 }
AVFormatContext::nb_chapters
unsigned int nb_chapters
Number of chapters in AVChapter array.
Definition: avformat.h:1517
Writer::init
int(* init)(WriterContext *wctx)
Definition: ffprobe.c:329
AV_CODEC_ID_PROBE
codec_id is not known (like AV_CODEC_ID_NONE) but lavf should attempt to identify it ...
Definition: avcodec.h:546
WriterContext::section
const struct section * section[SECTION_MAX_NB_LEVELS]
section per each level
Definition: ffprobe.c:357
NULL
#define NULL
Definition: coverity.c:32
AVCodecContext::codec
const struct AVCodec * codec
Definition: avcodec.h:1541
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:257
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:354
AVERROR_INVALIDDATA
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
Definition: error.h:59
dec_val
double dec_val
Definition: ffprobe.c:223
show_tags
static int show_tags(WriterContext *w, AVDictionary *tags, int section_id)
Definition: ffprobe.c:1731
OPT_EXPERT
#define OPT_EXPERT
Definition: cmdutils.h:163
AV_CODEC_ID_NONE
Definition: avcodec.h:102
avio_size
int64_t avio_size(AVIOContext *s)
Get the filesize.
Definition: aviobuf.c:287
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:343
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:817
bin_val
double bin_val
Definition: ffprobe.c:222
av_frame_get_pkt_size
int av_frame_get_pkt_size(const AVFrame *frame)
AVFrame
This structure describes decoded (raw) audio or video data.
Definition: frame.h:181
json_print_int
static void json_print_int(WriterContext *wctx, const char *key, long long int value)
Definition: ffprobe.c:1482
default_print_section_header
static void default_print_section_header(WriterContext *wctx)
Definition: ffprobe.c:843
writer_register
static int writer_register(const Writer *writer)
Definition: ffprobe.c:775
AVOption
AVOption.
Definition: opt.h:245
data
ptrdiff_t const GLvoid * data
Definition: opengl_enc.c:101
print_ts
#define print_ts(k, v)
Definition: ffprobe.c:1710
opt_input_file_i
static int opt_input_file_i(void *optctx, const char *opt, const char *arg)
Definition: ffprobe.c:2894
opt_format
static int opt_format(void *optctx, const char *opt, const char *arg)
Definition: ffprobe.c:2771
XMLContext::within_tag
int within_tag
Definition: ffprobe.c:1513
SHOW_LIB_VERSION
#define SHOW_LIB_VERSION(libname, LIBNAME)
Definition: ffprobe.c:2690
id
enum AVCodecID id
Definition: mxfenc.c:104
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:1726
ctx
AVFormatContext * ctx
Definition: movenc-test.c:48
writer_print_rational
static void writer_print_rational(WriterContext *wctx, const char *key, AVRational q, char sep)
Definition: ffprobe.c:667
Writer::print_string
void(* print_string)(WriterContext *wctx, const char *, const char *)
Definition: ffprobe.c:336
opt_show_format_entry
static int opt_show_format_entry(void *optctx, const char *opt, const char *arg)
Definition: ffprobe.c:2865
unit_hertz_str
static const char unit_hertz_str[]
Definition: ffprobe.c:236
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:1123
AVCodecContext::bit_rate
int64_t bit_rate
the average bitrate
Definition: avcodec.h:1597
LIBAVUTIL_VERSION_INT
#define LIBAVUTIL_VERSION_INT
Definition: version.h:70
PLANAR
#define PLANAR
Definition: flacdsp.c:43
AVPacket::pos
int64_t pos
byte position in stream, -1 if unknown
Definition: avcodec.h:1487
xml_escape_str
static const char * xml_escape_str(AVBPrint *dst, const char *src, void *log_ctx)
Definition: ffprobe.c:1560
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:559
json_print_section_footer
static void json_print_section_footer(WriterContext *wctx)
Definition: ffprobe.c:1437
writer_close
static void writer_close(WriterContext **wctx)
Definition: ffprobe.c:407
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:101
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:2109
writer_print_integer
static void writer_print_integer(WriterContext *wctx, const char *key, long long int val)
Definition: ffprobe.c:562
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:1261
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:4319
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:1196
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:88
AVCodecContext::color_range
enum AVColorRange color_range
MPEG vs JPEG YUV range.
Definition: avcodec.h:2262
json_writer
static const Writer json_writer
Definition: ffprobe.c:1497
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:307
AVStream::index
int index
stream index in AVFormatContext
Definition: avformat.h:878
AVPacket::size
int size
Definition: avcodec.h:1468
writer_options
static const AVOption writer_options[]
Definition: ffprobe.c:378
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:745
print_str_opt
#define print_str_opt(k, v)
Definition: ffprobe.c:1707
Writer::print_integer
void(* print_integer)(WriterContext *wctx, const char *, long long int)
Definition: ffprobe.c:334
close_input_file
static void close_input_file(AVFormatContext **ctx_ptr)
Definition: ffprobe.c:2576
AVFormatContext::bit_rate
int64_t bit_rate
Total stream bitrate in bit/s, 0 if not available.
Definition: avformat.h:1416
section::show_all_entries
int show_all_entries
Definition: ffprobe.c:120
show_banner
void show_banner(int argc, char **argv, const OptionDef *options)
Print the program banner to stderr.
Definition: cmdutils.c:1133
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:1752
av_dict_copy
int av_dict_copy(AVDictionary **dst, const AVDictionary *src, int flags)
Copy entries from one AVDictionary struct into another.
Definition: dict.c:213
writer_class
static const AVClass writer_class
Definition: ffprobe.c:399
do_show_packets
static int do_show_packets
Definition: ffprobe.c:64
AVSubtitle::num_rects
unsigned num_rects
Definition: avcodec.h:3737
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:2383
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:434
Writer::uninit
void(* uninit)(WriterContext *wctx)
Definition: ffprobe.c:330
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:425
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:2668
json_print_item_str
static void json_print_item_str(WriterContext *wctx, const char *key, const char *value)
Definition: ffprobe.c:1459
CompactContext::escape_mode_str
char * escape_mode_str
Definition: ffprobe.c:967
default_writer
static const Writer default_writer
Definition: ffprobe.c:899
AVStream::side_data
AVPacketSideData * side_data
An array of side data that applies to the whole stream (i.e.
Definition: avformat.h:989
frames
int frames
Definition: movenc-test.c:65
show_frame
static void show_frame(WriterContext *w, AVFrame *frame, AVStream *stream, AVFormatContext *fmt_ctx)
Definition: ffprobe.c:1837
json_escape_str
static const char * json_escape_str(AVBPrint *dst, const char *src, void *log_ctx)
Definition: ffprobe.c:1377
pkt
static AVPacket pkt
Definition: demuxing_decoding.c:54
xml_print_section_footer
static void xml_print_section_footer(WriterContext *wctx)
Definition: ffprobe.c:1620
AVCodecContext::bits_per_raw_sample
int bits_per_raw_sample
Bits per sample/pixel of internal libavcodec pixel/sample format.
Definition: avcodec.h:2924
mark_section_show_entries
static void mark_section_show_entries(SectionID section_id, int show_all_entries, AVDictionary *entries)
Definition: ffprobe.c:2781
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:2416
AVChapter::metadata
AVDictionary * metadata
Definition: avformat.h:1281
nb_streams_frames
static uint64_t * nb_streams_frames
Definition: ffprobe.c:242
AVCodecContext::profile
int profile
profile
Definition: avcodec.h:3028
CompactContext::has_nested_elems
int has_nested_elems[SECTION_MAX_NB_LEVELS]
Definition: ffprobe.c:970
validate_string
static int validate_string(WriterContext *wctx, char **dstp, const char *src)
Definition: ffprobe.c:573
AVCodec
AVCodec.
Definition: avcodec.h:3392
AVPixFmtDescriptor::log2_chroma_w
uint8_t log2_chroma_w
Amount to shift the luma width right to find the chroma width.
Definition: pixdesc.h:92
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:1970
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:340
writer_child_next
static void * writer_child_next(void *obj, void *prev)
Definition: ffprobe.c:391
XMLContext::indent_level
int indent_level
Definition: ffprobe.c:1514
ReadInterval::end_is_offset
int end_is_offset
Definition: ffprobe.c:96
log2
#define log2(x)
Definition: libm.h:404
default_options
static const AVOption default_options[]
Definition: ffprobe.c:823
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:1661
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:479
CompactContext::escape_str
const char *(* escape_str)(AVBPrint *dst, const char *src, const char sep, void *log_ctx)
Definition: ffprobe.c:968
AVFormatContext
Format I/O context.
Definition: avformat.h:1314
OFFSET
#define OFFSET(x)
Definition: ffprobe.c:1520
AVProgram::nb_stream_indexes
unsigned int nb_stream_indexes
Definition: avformat.h:1252
section::element_name
const char * element_name
name of the contained element, if provided
Definition: ffprobe.c:117
writer_print_section_header
static void writer_print_section_header(WriterContext *wctx, int section_id)
Definition: ffprobe.c:521
compact_print_section_footer
static void compact_print_section_footer(WriterContext *wctx)
Definition: ffprobe.c:1043
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:246
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:361
ini_print_section_header
static void ini_print_section_header(WriterContext *wctx)
Definition: ffprobe.c:1288
print_duration_ts
#define print_duration_ts(k, v)
Definition: ffprobe.c:1712
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:112
AVPixFmtDescriptor::comp
AVComponentDescriptor comp[4]
Parameters that describe how pixels are packed.
Definition: pixdesc.h:117
AVCodecContext::sample_fmt
enum AVSampleFormat sample_fmt
audio sample format
Definition: avcodec.h:2295
log_callback_help
void log_callback_help(void *ptr, int level, const char *fmt, va_list vl)
Trivial log callback.
Definition: cmdutils.c:89
uint8_t
uint8_t
Definition: audio_convert.c:194
nb_streams
static int nb_streams
Definition: ffprobe.c:240
av_cold
#define av_cold
Definition: attributes.h:82
av_frame_alloc
AVFrame * av_frame_alloc(void)
Allocate an AVFrame and set its fields to default values.
Definition: frame.c:141
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:527
opt_read_intervals
static int opt_read_intervals(void *optctx, const char *opt, const char *arg)
Definition: ffprobe.c:3044
av_packet_unpack_dictionary
int av_packet_unpack_dictionary(const uint8_t *data, int size, AVDictionary **dict)
Unpack a dictionary from side_data.
Definition: avpacket.c:472
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:243
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:675
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:1170
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:676
av_color_range_name
const char * av_color_range_name(enum AVColorRange range)
Definition: pixdesc.c:2467
end
static av_cold int end(AVCodecContext *avctx)
Definition: avrndec.c:90
AVChapter::id
int id
unique ID to identify the chapter
Definition: avformat.h:1278
AVPacket::duration
int64_t duration
Duration of this packet in AVStream->time_base units, 0 if unknown.
Definition: avcodec.h:1485
compact_init
static av_cold int compact_init(WriterContext *wctx)
Definition: ffprobe.c:991
AV_PKT_DATA_DISPLAYMATRIX
This side data contains a 3x3 transformation matrix describing an affine transformation that needs to...
Definition: avcodec.h:1304
CHECK_END
#define CHECK_END
AVStream::id
int id
Format-specific stream ID.
Definition: avformat.h:884
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:1013
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:4363
AVStream::nb_side_data
int nb_side_data
The number of elements in the AVStream.side_data array.
Definition: avformat.h:993
match_section
static int match_section(const char *section_name, int show_all_entries, AVDictionary *entries)
Definition: ffprobe.c:2796
AVCodecContext::extradata
uint8_t * extradata
some codecs need / can use extradata like Huffman tables.
Definition: avcodec.h:1647
AVProgram::pmt_pid
int pmt_pid
Definition: avformat.h:1256
init_opts
void init_opts(void)
Initialize the cmdutils option system, in particular allocate the *_opts contexts.
Definition: cmdutils.c:75
AVFormatContext::streams
AVStream ** streams
A list of all streams in the file.
Definition: avformat.h:1382
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:730
section::name
const char * name
Definition: ffprobe.c:109
AVFrameSideData
Structure to hold side data for an AVFrame.
Definition: frame.h:144
json_options
static const AVOption json_options[]
Definition: ffprobe.c:1359
log_read_interval
static void log_read_interval(const ReadInterval *interval, void *log_ctx, int log_level)
Definition: ffprobe.c:1979
av_q2d
static double av_q2d(AVRational a)
Convert rational to double.
Definition: rational.h:80
writer_get_name
static const char * writer_get_name(void *p)
Definition: ffprobe.c:370
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:1467
StringValidation
StringValidation
Definition: ffprobe.c:317
parse_options
void parse_options(void *optctx, int argc, char **argv, const OptionDef *options, void(*parse_arg_function)(void *, const char *))
Definition: cmdutils.c:365
SECTION_MAX_NB_CHILDREN
#define SECTION_MAX_NB_CHILDREN
Definition: ffprobe.c:105
tag
uint32_t tag
Definition: movenc.c:1348
avformat_network_init
int avformat_network_init(void)
Do global initialization of network components.
Definition: utils.c:4254
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:91
Writer::priv_class
const AVClass * priv_class
private class of the writer, if any
Definition: ffprobe.c:325
AV_LOG_VERBOSE
#define AV_LOG_VERBOSE
Detailed information.
Definition: log.h:192
ReadInterval::has_end
int has_end
Definition: ffprobe.c:95
AVPacketSideData::data
uint8_t * data
Definition: avcodec.h:1411
check_section_show_entries
static int check_section_show_entries(int section_id)
Definition: ffprobe.c:3156
AVFrame::interlaced_frame
int interlaced_frame
The content of the picture is interlaced.
Definition: frame.h:312
avformat_get_class
const AVClass * avformat_get_class(void)
Get the AVClass for AVFormatContext.
Definition: options.c:155
print_section
static void print_section(SectionID id, int level)
Definition: ffprobe.c:3058
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:488
swscale.h
external API header
Writer::print_section_footer
void(* print_section_footer)(WriterContext *wctx)
Definition: ffprobe.c:333
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:2900
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:158
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:915
writer_register_all
static void writer_register_all(void)
Definition: ffprobe.c:1681
xml_print_str
static void xml_print_str(WriterContext *wctx, const char *key, const char *value)
Definition: ffprobe.c:1639
section::children_ids
int children_ids[SECTION_MAX_NB_CHILDREN+1]
list of children section IDS, terminated by -1
Definition: ffprobe.c:116
AVFrame::nb_side_data
int nb_side_data
Definition: frame.h:378
AVCodecContext::chroma_sample_location
enum AVChromaLocation chroma_sample_location
This defines the location of chroma samples.
Definition: avcodec.h:2269
input_filename
static const char * input_filename
Definition: ffprobe.c:216
AVProgram::stream_index
unsigned int * stream_index
Definition: avformat.h:1251
json_print_section_header
static void json_print_section_header(WriterContext *wctx)
Definition: ffprobe.c:1399
AVFrame::side_data
AVFrameSideData ** side_data
Definition: frame.h:377
av_log
#define av_log(a,...)
Definition: tableprint_vlc.h:28
CompactContext::print_section
int print_section
Definition: ffprobe.c:966
ffprobe_show_program_version
static void ffprobe_show_program_version(WriterContext *w)
Definition: ffprobe.c:2674
read_packets
static int read_packets(WriterContext *w, AVFormatContext *fmt_ctx)
Definition: ffprobe.c:2108
do_show_chapter_tags
static int do_show_chapter_tags
Definition: ffprobe.c:75
AVPixFmtDescriptor::name
const char * name
Definition: pixdesc.h:82
AVProgram::start_time
int64_t start_time
Definition: avformat.h:1266
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:2027
AV_PKT_FLAG_KEY
#define AV_PKT_FLAG_KEY
The packet contains a keyframe.
Definition: avcodec.h:1499
format_opts
AVDictionary * format_opts
Definition: cmdutils.c:69
INIContext::hierarchical
int hierarchical
Definition: ffprobe.c:1247
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:300
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:142
show_chapters
static int show_chapters(WriterContext *w, AVFormatContext *fmt_ctx)
Definition: ffprobe.c:2434
flat
static void flat(WaveformContext *s, AVFrame *in, AVFrame *out, int component, int intensity, int offset, int column)
Definition: vf_waveform.c:534
ReadInterval::id
int id
identifier
Definition: ffprobe.c:93
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:480
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:2529
WriterContext::string_validation_replacement
char * string_validation_replacement
Definition: ffprobe.c:366
unit_value::d
double d
Definition: ffprobe.c:253
swresample.h
libswresample public header
opt_show_versions
static int opt_show_versions(const char *opt, const char *arg)
Definition: ffprobe.c:3087
av_chroma_location_name
const char * av_chroma_location_name(enum AVChromaLocation location)
Definition: pixdesc.c:2491
unit_byte_str
static const char unit_byte_str[]
Definition: ffprobe.c:237
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:351
AVFrame::width
int width
width and height of the video frame
Definition: frame.h:230
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:119
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:1528
av_get_bits_per_sample
int av_get_bits_per_sample(enum AVCodecID codec_id)
Return codec bits per sample.
Definition: utils.c:3006
AVCodecContext::has_b_frames
int has_b_frames
Size of the frame reordering buffer in the decoder.
Definition: avcodec.h:1846
AVPixFmtDescriptor::log2_chroma_h
uint8_t log2_chroma_h
Amount to shift the luma height right to find the chroma height.
Definition: pixdesc.h:101
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:2091
AV_BPRINT_SIZE_UNLIMITED
#define AV_BPRINT_SIZE_UNLIMITED
XMLContext::xsd_strict
int xsd_strict
Definition: ffprobe.c:1516
print_int
#define print_int(k, v)
Definition: ffprobe.c:1704
opt_input_file
static void opt_input_file(void *optctx, const char *arg)
Definition: ffprobe.c:2881
opt_pretty
static int opt_pretty(void *optctx, const char *opt, const char *arg)
Definition: ffprobe.c:3049
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:3168
Writer::priv_size
int priv_size
private size for the writer context
Definition: ffprobe.c:326
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:148
av_frame_free
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
Definition: frame.c:154
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:1522
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:113
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:1467
unit_value
Definition: ffprobe.c:252
ReadInterval::start_is_offset
int start_is_offset
Definition: ffprobe.c:96
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:969
AVFormatContext::chapters
AVChapter ** chapters
Definition: avformat.h:1518
print_q
#define print_q(k, v, s)
Definition: ffprobe.c:1705
default_print_int
static void default_print_int(WriterContext *wctx, const char *key, long long int value)
Definition: ffprobe.c:890
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:194
json_init
static av_cold int json_init(WriterContext *wctx)
Definition: ffprobe.c:1367
avassert.h
simple assert() macros that are a bit more flexible than ISO C assert().
av_opt_next
const AVOption * av_opt_next(const void *obj, const AVOption *last)
Iterate over all AVOptions belonging to obj.
Definition: opt.c:45
AVPacketSideData::type
enum AVPacketSideDataType type
Definition: avcodec.h:1413
JSON_INDENT
#define JSON_INDENT()
Definition: ffprobe.c:1397
AVCodec::name
const char * name
Name of the codec implementation.
Definition: avcodec.h:3399
AVPacket::side_data_elems
int side_data_elems
Definition: avcodec.h:1479
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:1219
section::id
int id
unique id identifying a section
Definition: ffprobe.c:108
AVCodecDescriptor::long_name
const char * long_name
A more descriptive name for this codec.
Definition: avcodec.h:573
AV_FRAME_DATA_GOP_TIMECODE
The GOP timecode in 25 bit timecode format.
Definition: frame.h:124
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:960
AVProgram
New fields can be added to the end with minor version bumps.
Definition: avformat.h:1247
AVCodecContext::timecode_frame_start
attribute_deprecated int64_t timecode_frame_start
Definition: avcodec.h:2635
parse_read_intervals
static int parse_read_intervals(const char *intervals_spec)
Definition: ffprobe.c:2996
fail
#define fail()
Definition: checkasm.h:80
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:1255
unit_value::unit
const char * unit
Definition: ffprobe.c:254
AVPacket::flags
int flags
A combination of AV_PKT_FLAG values.
Definition: avcodec.h:1473
av_color_primaries_name
const char * av_color_primaries_name(enum AVColorPrimaries primaries)
Definition: pixdesc.c:2473
avcodec_descriptor_get
const AVCodecDescriptor * avcodec_descriptor_get(enum AVCodecID id)
Definition: codec_desc.c:2900
WriterContext::priv
void * priv
private data for use by the filter
Definition: ffprobe.c:346
AVCodecContext::channel_layout
uint64_t channel_layout
Audio channel layout.
Definition: avcodec.h:2338
AVSubtitle::end_display_time
uint32_t end_display_time
Definition: avcodec.h:3736
WriterContext::name
char * name
name of this writer instance
Definition: ffprobe.c:345
AVSubtitle::pts
int64_t pts
Same as packet pts, in AV_TIME_BASE.
Definition: avcodec.h:3739
AVStream::codec
AVCodecContext * codec
Codec context associated with this stream.
Definition: avformat.h:896
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:111
AVPixFmtDescriptor::flags
uint64_t flags
Combination of AV_PIX_FMT_FLAG_...
Definition: pixdesc.h:106
AVFormatContext::nb_streams
unsigned int nb_streams
Number of elements in AVFormatContext.streams.
Definition: avformat.h:1370
writer_print_data
static void writer_print_data(WriterContext *wctx, const char *name, uint8_t *data, int size)
Definition: ffprobe.c:702
AVCodecContext::refs
int refs
number of reference frames
Definition: avcodec.h:2205
read_intervals
static ReadInterval * read_intervals
Definition: ffprobe.c:100
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:83
WriterContext::section_pbuf
AVBPrint section_pbuf[SECTION_MAX_NB_LEVELS]
generic print buffer dedicated to each section, used by various writers
Definition: ffprobe.c:358
print_section_footer
#define print_section_footer(s)
Definition: ffprobe.c:1721
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:938
AVFrame::pict_type
enum AVPictureType pict_type
Picture type of the frame.
Definition: frame.h:252
AVFormatContext::filename
char filename[1024]
input or output filename
Definition: avformat.h:1390
unit_bit_per_second_str
static const char unit_bit_per_second_str[]
Definition: ffprobe.c:238
registered_writers
static const Writer * registered_writers[MAX_REGISTERED_WRITERS_NB+1]
Definition: ffprobe.c:773
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:354
FFMIN
#define FFMIN(a, b)
Definition: common.h:96
AVFrame::display_picture_number
int display_picture_number
picture number in display order
Definition: frame.h:283
sections
static struct section sections[]
Definition: ffprobe.c:167
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:556
cmdutils_common_opts.h
do_read_frames
static int do_read_frames
Definition: ffprobe.c:58
AVCodecContext::width
int width
picture width / height.
Definition: avcodec.h:1711
PRINT_PIX_FMT_FLAG
#define PRINT_PIX_FMT_FLAG(flagname, name)
Definition: ffprobe.c:2719
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:1698
FF_PROFILE_UNKNOWN
#define FF_PROFILE_UNKNOWN
Definition: avcodec.h:3029
WriterContext::string_validation
int string_validation
Definition: ffprobe.c:365
ffprobe_show_pixel_formats
static void ffprobe_show_pixel_formats(WriterContext *w)
Definition: ffprobe.c:2724
show_usage
static void show_usage(void)
Definition: ffprobe.c:2667
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
AV_OPT_TYPE_BOOL
Definition: opt.h:239
FlatContext::sep
char sep
Definition: ffprobe.c:1124
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:2241
show_private_data
static int show_private_data
Definition: ffprobe.c:86
probe_file
static int probe_file(WriterContext *wctx, const char *filename)
Definition: ffprobe.c:2589
OPT_EXIT
#define OPT_EXIT
Definition: cmdutils.h:171
show_programs
static int show_programs(WriterContext *w, AVFormatContext *fmt_ctx)
Definition: ffprobe.c:2417
xml_init
static av_cold int xml_init(WriterContext *wctx)
Definition: ffprobe.c:1532
AVSubtitle::format
uint16_t format
Definition: avcodec.h:3734
WriterContext::nb_sections
int nb_sections
number of sections
Definition: ffprobe.c:349
AVCodecContext::level
int level
level
Definition: avcodec.h:3117
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:2185
WriterContext::sections
const struct section * sections
array containing all sections
Definition: ffprobe.c:348
flat_writer
static const Writer flat_writer
Definition: ffprobe.c:1232
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:1214
opt_sections
static int opt_sections(void *optctx, const char *opt, const char *arg)
Definition: ffprobe.c:3075
n
int n
Definition: avisynth_c.h:547
AVStream::metadata
AVDictionary * metadata
Definition: avformat.h:951
do_show_programs
static int do_show_programs
Definition: ffprobe.c:65
real_options
static const OptionDef real_options[]
Definition: ffprobe.c:3112
bin_str
const char * bin_str
Definition: ffprobe.c:224
WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS
#define WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS
Definition: ffprobe.c:314
av_get_colorspace_name
const char * av_get_colorspace_name(enum AVColorSpace val)
Get the name of a colorspace.
Definition: frame.c:79
src
#define src
Definition: vp9dsp.c:530
dec_str
const char * dec_str
Definition: ffprobe.c:225
do_show_format
static int do_show_format
Definition: ffprobe.c:62
JSONContext::item_start_end
const char * item_start_end
Definition: ffprobe.c:1353
FF_ARRAY_ELEMS
#define FF_ARRAY_ELEMS(a)
Definition: sinewin_tablegen_template.c:36
ini_writer
static const Writer ini_writer
Definition: ffprobe.c:1337
AVOption::flags
int flags
Definition: opt.h:274
exit_program
void exit_program(int ret)
Wraps exit with a program-specific cleanup routine.
Definition: cmdutils.c:117
compact_print_str
static void compact_print_str(WriterContext *wctx, const char *key, const char *value)
Definition: ffprobe.c:1053
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:155
AVInputFormat::long_name
const char * long_name
Descriptive name for the format, meant to be more human-readable than name.
Definition: avformat.h:668
av_format_get_probe_score
int av_format_get_probe_score(const AVFormatContext *s)
Definition: utils.c:181
AVStream
Stream structure.
Definition: avformat.h:877
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:1076
compact_print_int
static void compact_print_int(WriterContext *wctx, const char *key, long long int value)
Definition: ffprobe.c:1066
AVChapter::end
int64_t end
chapter start/end time in time_base units
Definition: avformat.h:1280
AVFrame::format
int format
format of the frame, -1 if unknown or unset Values correspond to enum AVPixelFormat for video frames...
Definition: frame.h:242
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:327
ReadInterval::has_start
int has_start
Definition: ffprobe.c:95
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:2864
avformat_network_deinit
int avformat_network_deinit(void)
Undo the initialization done by avformat_network_init.
Definition: utils.c:4267
do_show_packet_tags
static int do_show_packet_tags
Definition: ffprobe.c:80
postprocess.h
external API header
hash
static struct AVHashContext * hash
Definition: ffprobe.c:219
AVCodec::long_name
const char * long_name
Descriptive name for the codec, meant to be more human readable than name.
Definition: avcodec.h:3404
AVFrame::coded_picture_number
int coded_picture_number
picture number in bitstream order
Definition: frame.h:279
iformat
static AVInputFormat * iformat
Definition: ffprobe.c:217
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:362
AV_BPRINT_SIZE_AUTOMATIC
#define AV_BPRINT_SIZE_AUTOMATIC
AVProgram::end_time
int64_t end_time
Definition: avformat.h:1267
avcodec.h
Libavcodec external API header.
AVCodecContext::codec_type
enum AVMediaType codec_type
Definition: avcodec.h:1540
AV_PKT_DATA_STRINGS_METADATA
A list of zero terminated key/value strings.
Definition: avcodec.h:1368
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:1549
AV_TIME_BASE_Q
#define AV_TIME_BASE_Q
Internal time base represented as fractional value.
Definition: avutil.h:252
av_strdup
char * av_strdup(const char *s)
Duplicate the string s.
Definition: mem.c:267
timecode.h
Timecode helpers header.
AVCodecContext::sample_rate
int sample_rate
samples per second
Definition: avcodec.h:2287
AVFormatContext::pb
AVIOContext * pb
I/O context.
Definition: avformat.h:1356
XML_INDENT
#define XML_INDENT()
Definition: ffprobe.c:1578
xml_print_int
static void xml_print_int(WriterContext *wctx, const char *key, long long int value)
Definition: ffprobe.c:1662
do_bitexact
static int do_bitexact
Definition: ffprobe.c:55
AVPixFmtDescriptor
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
Definition: pixdesc.h:81
AV_RN16
#define AV_RN16(p)
Definition: intreadwrite.h:360
AVCodecContext
main external API structure.
Definition: avcodec.h:1532
avcodec_find_decoder
AVCodec * avcodec_find_decoder(enum AVCodecID id)
Find a registered decoder with a matching codec ID.
Definition: utils.c:2629
xml_writer
static Writer xml_writer
Definition: ffprobe.c:1669
av_packet_unref
void av_packet_unref(AVPacket *pkt)
Wipe the packet.
Definition: avpacket.c:545
csv_writer
static const Writer csv_writer
Definition: ffprobe.c:1107
format
static const char * format
Definition: movenc-test.c:47
show_error
static void show_error(WriterContext *w, int err)
Definition: ffprobe.c:2488
JSONContext::item_sep
const char * item_sep
Definition: ffprobe.c:1353
avsubtitle_free
void avsubtitle_free(AVSubtitle *sub)
Free all allocated data in the given subtitle struct.
Definition: utils.c:2510
ini_print_str
static void ini_print_str(WriterContext *wctx, const char *key, const char *value)
Definition: ffprobe.c:1321
AVCodecContext::codec_tag
unsigned int codec_tag
fourcc (LSB first, so "ABCD" -> ('D'<<24) + ('C'<<16) + ('B'<<8) + 'A').
Definition: avcodec.h:1564
WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER
#define WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER
Definition: ffprobe.c:315
AVFrameSideData::data
uint8_t * data
Definition: frame.h:146
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:363
AVCodecContext::extradata_size
int extradata_size
Definition: avcodec.h:1648
CompactContext::terminate_line
int terminate_line[SECTION_MAX_NB_LEVELS]
Definition: ffprobe.c:971
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:82
use_value_sexagesimal_format
static int use_value_sexagesimal_format
Definition: ffprobe.c:85
print_duration_time
#define print_duration_time(k, v, tb)
Definition: ffprobe.c:1711
av_frame_get_metadata
AVDictionary * av_frame_get_metadata(const AVFrame *frame)
AVCodecContext::coded_height
int coded_height
Definition: avcodec.h:1726
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:231
index
int index
Definition: gxfenc.c:89
CompactContext::item_sep_str
char * item_sep_str
Definition: ffprobe.c:963
DEFINE_WRITER_CLASS
#define DEFINE_WRITER_CLASS(name)
Definition: ffprobe.c:800
AVCodecContext::colorspace
enum AVColorSpace colorspace
YUV colorspace type.
Definition: avcodec.h:2255
AVRational
rational number numerator/denominator
Definition: rational.h:43
AVCodecContext::color_trc
enum AVColorTransferCharacteristic color_trc
Color Transfer Characteristic.
Definition: avcodec.h:2248
si_prefixes
static const struct @26 si_prefixes[]
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:276
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:569
avcodec_open2
int avcodec_open2(AVCodecContext *avctx, const AVCodec *codec, AVDictionary **options)
Initialize the AVCodecContext to use the given AVCodec.
Definition: utils.c:1170
snprintf
#define snprintf
Definition: snprintf.h:34
ffprobe_cleanup
static void ffprobe_cleanup(int ret)
Definition: ffprobe.c:245
SECTION_FLAG_IS_ARRAY
#define SECTION_FLAG_IS_ARRAY
the section contains an array of elements of the same type
Definition: ffprobe.c:112
SectionID
SectionID
Definition: ffprobe.c:123
compact_options
static const AVOption compact_options[]
Definition: ffprobe.c:977
REALLOCZ_ARRAY_STREAM
#define REALLOCZ_ARRAY_STREAM(ptr, cur_n, new_n)
Definition: ffprobe.c:1723
ReadInterval::end
int64_t end
start, end in second/AV_TIME_BASE units
Definition: ffprobe.c:94
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:1509
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:2258
profile
mfxU16 profile
Definition: qsvenc.c:42
av_frame_side_data_name
const char * av_frame_side_data_name(enum AVFrameSideDataType type)
Definition: frame.c:722
AVCodecDescriptor
This struct describes the properties of a single codec described by an AVCodecID. ...
Definition: avcodec.h:561
WriterContext::string_validation_utf8_flags
unsigned int string_validation_utf8_flags
Definition: ffprobe.c:367
AVFrame::pkt_pts
int64_t pkt_pts
PTS copied from the AVPacket that was decoded to produce this frame.
Definition: frame.h:267
ReadInterval::start
int64_t start
Definition: ffprobe.c:94
writer_print_ts
static void writer_print_ts(WriterContext *wctx, const char *key, int64_t ts, int is_duration)
Definition: ffprobe.c:693
AVProgram::metadata
AVDictionary * metadata
Definition: avformat.h:1253
nb_streams_packets
static uint64_t * nb_streams_packets
Definition: ffprobe.c:241
AVFrameSideData::type
enum AVFrameSideDataType type
Definition: frame.h:145
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:79
ffprobe_show_library_versions
static void ffprobe_show_library_versions(WriterContext *w)
Definition: ffprobe.c:2705
use_value_prefix
static int use_value_prefix
Definition: ffprobe.c:83
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:1399
AVCodec::priv_class
const AVClass * priv_class
AVClass for the private context.
Definition: avcodec.h:3418
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:322
flat_print_section_header
static void flat_print_section_header(WriterContext *wctx)
Definition: ffprobe.c:1188
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:105
upcase_string
static char * upcase_string(char *dst, size_t dst_size, const char *src)
Definition: ffprobe.c:834
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:1280
AVStream::duration
int64_t duration
Decoding: duration of the stream, in stream time base.
Definition: avformat.h:936
show_data_hash
static char * show_data_hash
Definition: ffprobe.c:90
options
static const OptionDef * options
Definition: ffprobe.c:213
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:274
writer_print_string
static int writer_print_string(WriterContext *wctx, const char *key, const char *val, int flags)
Definition: ffprobe.c:631
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:1034
AVPacket::side_data
AVPacketSideData * side_data
Additional packet data that can be provided by the container.
Definition: avcodec.h:1478
PRINT_STRING_OPT
#define PRINT_STRING_OPT
Definition: ffprobe.c:628
AVPacket::convergence_duration
attribute_deprecated int64_t convergence_duration
Definition: avcodec.h:1496
av_opt_free
void av_opt_free(void *obj)
Free all allocated objects in obj.
Definition: opt.c:1447
show_stream
static int show_stream(WriterContext *w, AVFormatContext *fmt_ctx, int stream_idx, int in_program)
Definition: ffprobe.c:2127
codec_opts
AVDictionary * codec_opts
Definition: cmdutils.c:69
xml_print_section_header
static void xml_print_section_header(WriterContext *wctx)
Definition: ffprobe.c:1580
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:115
Writer::print_section_header
void(* print_section_header)(WriterContext *wctx)
Definition: ffprobe.c:332
default_print_str
static void default_print_str(WriterContext *wctx, const char *key, const char *value)
Definition: ffprobe.c:881
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:2458
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:3139
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:929
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:2479
unit_second_str
static const char unit_second_str[]
Definition: ffprobe.c:235
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:44
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:2915
AVSubtitle::start_display_time
uint32_t start_display_time
Definition: avcodec.h:3735
unit_value::val
union unit_value::@27 val
flat_init
static av_cold int flat_init(WriterContext *wctx)
Definition: ffprobe.c:1141
show_packet
static void show_packet(WriterContext *w, AVFormatContext *fmt_ctx, AVPacket *pkt, int packet_idx)
Definition: ffprobe.c:1749
AVChapter::time_base
AVRational time_base
time base in which the start/end timestamps are specified
Definition: avformat.h:1279
CompactContext::item_sep
char item_sep
Definition: ffprobe.c:964
av_init_packet
void av_init_packet(AVPacket *pkt)
Initialize optional fields of a packet with default values.
Definition: avpacket.c:33
AVStream::nb_frames
int64_t nb_frames
number of frames in this stream if known or 0
Definition: avformat.h:938
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:80
csv_options
static const AVOption csv_options[]
Definition: ffprobe.c:1093
AVFormatContext::iformat
struct AVInputFormat * iformat
The input container format.
Definition: avformat.h:1326
show_subtitle
static void show_subtitle(WriterContext *w, AVSubtitle *sub, AVStream *stream, AVFormatContext *fmt_ctx)
Definition: ffprobe.c:1814
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:1155
avformat_close_input
void avformat_close_input(AVFormatContext **s)
Close an opened input AVFormatContext.
Definition: utils.c:3777
show_streams
static int show_streams(WriterContext *w, AVFormatContext *fmt_ctx)
Definition: ffprobe.c:2367
AVUNERROR
#define AVUNERROR(e)
Definition: error.h:44
AVCodecContext::priv_data
void * priv_data
Definition: avcodec.h:1574
opt_show_entries
static int opt_show_entries(void *optctx, const char *opt, const char *arg)
Definition: ffprobe.c:2815
flat_options
static const AVOption flat_options[]
Definition: ffprobe.c:1131
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:84
av_opt_get
int av_opt_get(void *obj, const char *name, int search_flags, uint8_t **out_val)
Definition: opt.c:678
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:629
AVFrame::top_field_first
int top_field_first
If the content is interlaced, is top field displayed first.
Definition: frame.h:317
print_str_validate
#define print_str_validate(k, v)
Definition: ffprobe.c:1708
AVCodecContext::channels
int channels
number of audio channels
Definition: avcodec.h:2288
process_frame
static av_always_inline int process_frame(WriterContext *w, AVFormatContext *fmt_ctx, AVFrame *frame, AVPacket *pkt)
Definition: ffprobe.c:1936
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:2502
Writer::print_rational
void(* print_rational)(WriterContext *wctx, AVRational *q, char *sep)
Definition: ffprobe.c:335
AVProgram::pcr_pid
int pcr_pid
Definition: avformat.h:1257
ini_options
static const AVOption ini_options[]
Definition: ffprobe.c:1253
av_log_set_flags
void av_log_set_flags(int arg)
Definition: log.c:387
CHECK_COMPLIANCE
#define CHECK_COMPLIANCE(opt, opt_name)
opts
AVDictionary * opts
Definition: movenc-test.c:50
AVFrame::key_frame
int key_frame
1 -> keyframe, 0-> not
Definition: frame.h:247
PAL
#define PAL
Definition: bktr.c:65
avformat_open_input
int avformat_open_input(AVFormatContext **ps, const char *url, AVInputFormat *fmt, AVDictionary **options)
Open an input stream and read the header.
Definition: utils.c:422
none_escape_str
static const char * none_escape_str(AVBPrint *dst, const char *src, const char sep, void *log_ctx)
Definition: ffprobe.c:956
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:187
ReadInterval::duration_frames
int duration_frames
Definition: ffprobe.c:97
json_print_str
static void json_print_str(WriterContext *wctx, const char *key, const char *value)
Definition: ffprobe.c:1471
ini_print_int
static void ini_print_int(WriterContext *wctx, const char *key, long long int value)
Definition: ffprobe.c:1332
DefaultContext::noprint_wrappers
int noprint_wrappers
Definition: ffprobe.c:816
print_str
#define print_str(k, v)
Definition: ffprobe.c:1706
print_val
#define print_val(k, v, u)
Definition: ffprobe.c:1713
AVPacket::dts
int64_t dts
Decompression timestamp in AVStream->time_base units; the time at which the packet is decompressed...
Definition: avcodec.h:1466
stream_specifier
static char * stream_specifier
Definition: ffprobe.c:89
av_packet_side_data_name
const char * av_packet_side_data_name(enum AVPacketSideDataType type)
Definition: avpacket.c:335
print_time
#define print_time(k, v, tb)
Definition: ffprobe.c:1709
read_interval_packets
static int read_interval_packets(WriterContext *w, AVFormatContext *fmt_ctx, const ReadInterval *interval, int64_t *cur_ts)
Definition: ffprobe.c:2003
AVFormatContext::duration
int64_t duration
Duration of the stream, in AV_TIME_BASE fractional seconds.
Definition: avformat.h:1409
AVFrame::height
int height
Definition: frame.h:230
JSONContext::compact
int compact
Definition: ffprobe.c:1352
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:868
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:661
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:193
av_packet_get_side_data
uint8_t * av_packet_get_side_data(AVPacket *pkt, enum AVPacketSideDataType type, int *size)
Get side information from packet.
Definition: avpacket.c:320
av_always_inline
#define av_always_inline
Definition: attributes.h:39
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:2078
AVPacket::stream_index
int stream_index
Definition: avcodec.h:1469
main
int main(int argc, char **argv)
Definition: ffprobe.c:3173
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:919
AVComponentDescriptor::depth
int depth
Number of bits in the component.
Definition: pixdesc.h:58
WriterContext::writer
const Writer * writer
the Writer of which this is an instance
Definition: ffprobe.c:344
AVMEDIA_TYPE_SUBTITLE
Definition: avutil.h:196
FlatContext::hierarchical
int hierarchical
Definition: ffprobe.c:1125
AVStream::r_frame_rate
AVRational r_frame_rate
Real base framerate of the stream.
Definition: avformat.h:1096
writer_get_by_name
static const Writer * writer_get_by_name(const char *name)
Definition: ffprobe.c:786
section::unique_name
const char * unique_name
unique section name, in case the name is ambiguous
Definition: ffprobe.c:118
AVPacket
This structure stores compressed data.
Definition: avcodec.h:1444
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:253
av_opt_set
int av_opt_set(void *obj, const char *name, const char *val, int search_flags)
Definition: opt.c:393
DEFINE_OPT_SHOW_SECTION
#define DEFINE_OPT_SHOW_SECTION(section, target_section_id)
Definition: ffprobe.c:3094
JSONContext::indent_level
int indent_level
Definition: ffprobe.c:1351
AVFrame::nb_samples
int nb_samples
number of audio samples (per channel) described by this frame
Definition: frame.h:235
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:252
MAX_REGISTERED_WRITERS_NB
#define MAX_REGISTERED_WRITERS_NB
Definition: ffprobe.c:771
AVPacket::pts
int64_t pts
Presentation timestamp in AVStream->time_base units; the time at which the decompressed packet will b...
Definition: avcodec.h:1460
writer_print_section_footer
static void writer_print_section_footer(WriterContext *wctx)
Definition: ffprobe.c:545
XMLContext::fully_qualified
int fully_qualified
Definition: ffprobe.c:1515
AV_NOPTS_VALUE
#define AV_NOPTS_VALUE
Undefined timestamp value.
Definition: avutil.h:240
tb
#define tb
Definition: regdef.h:68
AVFormatContext::programs
AVProgram ** programs
Definition: avformat.h:1468
AV_TIMECODE_STR_SIZE
#define AV_TIMECODE_STR_SIZE
Definition: timecode.h:33
AVCodecContext::rc_max_rate
int64_t rc_max_rate
maximum bitrate
Definition: avcodec.h:2523
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:2164
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:1720
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:337
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