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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/mastering_display_metadata.h"
39 #include "libavutil/opt.h"
40 #include "libavutil/pixdesc.h"
41 #include "libavutil/spherical.h"
42 #include "libavutil/stereo3d.h"
43 #include "libavutil/dict.h"
44 #include "libavutil/intreadwrite.h"
45 #include "libavutil/libm.h"
46 #include "libavutil/parseutils.h"
47 #include "libavutil/timecode.h"
48 #include "libavutil/timestamp.h"
49 #include "libavdevice/avdevice.h"
50 #include "libswscale/swscale.h"
51 #include "libswresample/swresample.h"
52 #include "libpostproc/postprocess.h"
53 #include "cmdutils.h"
54 
55 #include "libavutil/thread.h"
56 
57 #if !HAVE_THREADS
58 # ifdef pthread_mutex_lock
59 # undef pthread_mutex_lock
60 # endif
61 # define pthread_mutex_lock(a) do{}while(0)
62 # ifdef pthread_mutex_unlock
63 # undef pthread_mutex_unlock
64 # endif
65 # define pthread_mutex_unlock(a) do{}while(0)
66 #endif
67 
68 typedef struct InputStream {
69  AVStream *st;
70 
71  AVCodecContext *dec_ctx;
72 } InputStream;
73 
74 typedef struct InputFile {
75  AVFormatContext *fmt_ctx;
76 
77  InputStream *streams;
78  int nb_streams;
79 } InputFile;
80 
81 const char program_name[] = "ffprobe";
82 const int program_birth_year = 2007;
83 
84 static int do_bitexact = 0;
85 static int do_count_frames = 0;
86 static int do_count_packets = 0;
87 static int do_read_frames = 0;
88 static int do_read_packets = 0;
89 static int do_show_chapters = 0;
90 static int do_show_error = 0;
91 static int do_show_format = 0;
92 static int do_show_frames = 0;
93 static int do_show_packets = 0;
94 static int do_show_programs = 0;
95 static int do_show_streams = 0;
96 static int do_show_stream_disposition = 0;
97 static int do_show_data = 0;
98 static int do_show_program_version = 0;
99 static int do_show_library_versions = 0;
100 static int do_show_pixel_formats = 0;
101 static int do_show_pixel_format_flags = 0;
102 static int do_show_pixel_format_components = 0;
103 static int do_show_log = 0;
104 
105 static int do_show_chapter_tags = 0;
106 static int do_show_format_tags = 0;
107 static int do_show_frame_tags = 0;
108 static int do_show_program_tags = 0;
109 static int do_show_stream_tags = 0;
110 static int do_show_packet_tags = 0;
111 
112 static int show_value_unit = 0;
113 static int use_value_prefix = 0;
114 static int use_byte_value_binary_prefix = 0;
115 static int use_value_sexagesimal_format = 0;
116 static int show_private_data = 1;
117 
118 static char *print_format;
119 static char *stream_specifier;
120 static char *show_data_hash;
121 
122 typedef struct ReadInterval {
123  int id; ///< identifier
124  int64_t start, end; ///< start, end in second/AV_TIME_BASE units
125  int has_start, has_end;
126  int start_is_offset, end_is_offset;
127  int duration_frames;
128 } ReadInterval;
129 
130 static ReadInterval *read_intervals;
131 static int read_intervals_nb = 0;
132 
133 static int find_stream_info = 1;
134 
135 /* section structure definition */
136 
137 #define SECTION_MAX_NB_CHILDREN 10
138 
139 struct section {
140  int id; ///< unique id identifying a section
141  const char *name;
142 
143 #define SECTION_FLAG_IS_WRAPPER 1 ///< the section only contains other sections, but has no data at its own level
144 #define SECTION_FLAG_IS_ARRAY 2 ///< the section contains an array of elements of the same type
145 #define SECTION_FLAG_HAS_VARIABLE_FIELDS 4 ///< the section may contain a variable number of fields with variable keys.
146  /// For these sections the element_name field is mandatory.
147  int flags;
148  int children_ids[SECTION_MAX_NB_CHILDREN+1]; ///< list of children section IDS, terminated by -1
149  const char *element_name; ///< name of the contained element, if provided
150  const char *unique_name; ///< unique section name, in case the name is ambiguous
151  AVDictionary *entries_to_show;
152  int show_all_entries;
153 };
154 
155 typedef enum {
156  SECTION_ID_NONE = -1,
157  SECTION_ID_CHAPTER,
158  SECTION_ID_CHAPTER_TAGS,
159  SECTION_ID_CHAPTERS,
160  SECTION_ID_ERROR,
161  SECTION_ID_FORMAT,
162  SECTION_ID_FORMAT_TAGS,
163  SECTION_ID_FRAME,
164  SECTION_ID_FRAMES,
165  SECTION_ID_FRAME_TAGS,
166  SECTION_ID_FRAME_SIDE_DATA_LIST,
167  SECTION_ID_FRAME_SIDE_DATA,
168  SECTION_ID_FRAME_LOG,
169  SECTION_ID_FRAME_LOGS,
170  SECTION_ID_LIBRARY_VERSION,
171  SECTION_ID_LIBRARY_VERSIONS,
172  SECTION_ID_PACKET,
173  SECTION_ID_PACKET_TAGS,
174  SECTION_ID_PACKETS,
175  SECTION_ID_PACKETS_AND_FRAMES,
176  SECTION_ID_PACKET_SIDE_DATA_LIST,
177  SECTION_ID_PACKET_SIDE_DATA,
178  SECTION_ID_PIXEL_FORMAT,
179  SECTION_ID_PIXEL_FORMAT_FLAGS,
180  SECTION_ID_PIXEL_FORMAT_COMPONENT,
181  SECTION_ID_PIXEL_FORMAT_COMPONENTS,
182  SECTION_ID_PIXEL_FORMATS,
183  SECTION_ID_PROGRAM_STREAM_DISPOSITION,
184  SECTION_ID_PROGRAM_STREAM_TAGS,
185  SECTION_ID_PROGRAM,
186  SECTION_ID_PROGRAM_STREAMS,
187  SECTION_ID_PROGRAM_STREAM,
188  SECTION_ID_PROGRAM_TAGS,
189  SECTION_ID_PROGRAM_VERSION,
190  SECTION_ID_PROGRAMS,
191  SECTION_ID_ROOT,
192  SECTION_ID_STREAM,
193  SECTION_ID_STREAM_DISPOSITION,
194  SECTION_ID_STREAMS,
195  SECTION_ID_STREAM_TAGS,
196  SECTION_ID_STREAM_SIDE_DATA_LIST,
197  SECTION_ID_STREAM_SIDE_DATA,
198  SECTION_ID_SUBTITLE,
199 } SectionID;
200 
201 static struct section sections[] = {
202  [SECTION_ID_CHAPTERS] = { SECTION_ID_CHAPTERS, "chapters", SECTION_FLAG_IS_ARRAY, { SECTION_ID_CHAPTER, -1 } },
203  [SECTION_ID_CHAPTER] = { SECTION_ID_CHAPTER, "chapter", 0, { SECTION_ID_CHAPTER_TAGS, -1 } },
204  [SECTION_ID_CHAPTER_TAGS] = { SECTION_ID_CHAPTER_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "chapter_tags" },
205  [SECTION_ID_ERROR] = { SECTION_ID_ERROR, "error", 0, { -1 } },
206  [SECTION_ID_FORMAT] = { SECTION_ID_FORMAT, "format", 0, { SECTION_ID_FORMAT_TAGS, -1 } },
207  [SECTION_ID_FORMAT_TAGS] = { SECTION_ID_FORMAT_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "format_tags" },
208  [SECTION_ID_FRAMES] = { SECTION_ID_FRAMES, "frames", SECTION_FLAG_IS_ARRAY, { SECTION_ID_FRAME, SECTION_ID_SUBTITLE, -1 } },
209  [SECTION_ID_FRAME] = { SECTION_ID_FRAME, "frame", 0, { SECTION_ID_FRAME_TAGS, SECTION_ID_FRAME_SIDE_DATA_LIST, SECTION_ID_FRAME_LOGS, -1 } },
210  [SECTION_ID_FRAME_TAGS] = { SECTION_ID_FRAME_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "frame_tags" },
211  [SECTION_ID_FRAME_SIDE_DATA_LIST] ={ SECTION_ID_FRAME_SIDE_DATA_LIST, "side_data_list", SECTION_FLAG_IS_ARRAY, { SECTION_ID_FRAME_SIDE_DATA, -1 }, .element_name = "side_data", .unique_name = "frame_side_data_list" },
212  [SECTION_ID_FRAME_SIDE_DATA] = { SECTION_ID_FRAME_SIDE_DATA, "side_data", 0, { -1 } },
213  [SECTION_ID_FRAME_LOGS] = { SECTION_ID_FRAME_LOGS, "logs", SECTION_FLAG_IS_ARRAY, { SECTION_ID_FRAME_LOG, -1 } },
214  [SECTION_ID_FRAME_LOG] = { SECTION_ID_FRAME_LOG, "log", 0, { -1 }, },
215  [SECTION_ID_LIBRARY_VERSIONS] = { SECTION_ID_LIBRARY_VERSIONS, "library_versions", SECTION_FLAG_IS_ARRAY, { SECTION_ID_LIBRARY_VERSION, -1 } },
216  [SECTION_ID_LIBRARY_VERSION] = { SECTION_ID_LIBRARY_VERSION, "library_version", 0, { -1 } },
217  [SECTION_ID_PACKETS] = { SECTION_ID_PACKETS, "packets", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PACKET, -1} },
218  [SECTION_ID_PACKETS_AND_FRAMES] = { SECTION_ID_PACKETS_AND_FRAMES, "packets_and_frames", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PACKET, -1} },
219  [SECTION_ID_PACKET] = { SECTION_ID_PACKET, "packet", 0, { SECTION_ID_PACKET_TAGS, SECTION_ID_PACKET_SIDE_DATA_LIST, -1 } },
220  [SECTION_ID_PACKET_TAGS] = { SECTION_ID_PACKET_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "packet_tags" },
221  [SECTION_ID_PACKET_SIDE_DATA_LIST] ={ SECTION_ID_PACKET_SIDE_DATA_LIST, "side_data_list", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PACKET_SIDE_DATA, -1 }, .element_name = "side_data", .unique_name = "packet_side_data_list" },
222  [SECTION_ID_PACKET_SIDE_DATA] = { SECTION_ID_PACKET_SIDE_DATA, "side_data", 0, { -1 } },
223  [SECTION_ID_PIXEL_FORMATS] = { SECTION_ID_PIXEL_FORMATS, "pixel_formats", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PIXEL_FORMAT, -1 } },
224  [SECTION_ID_PIXEL_FORMAT] = { SECTION_ID_PIXEL_FORMAT, "pixel_format", 0, { SECTION_ID_PIXEL_FORMAT_FLAGS, SECTION_ID_PIXEL_FORMAT_COMPONENTS, -1 } },
225  [SECTION_ID_PIXEL_FORMAT_FLAGS] = { SECTION_ID_PIXEL_FORMAT_FLAGS, "flags", 0, { -1 }, .unique_name = "pixel_format_flags" },
226  [SECTION_ID_PIXEL_FORMAT_COMPONENTS] = { SECTION_ID_PIXEL_FORMAT_COMPONENTS, "components", SECTION_FLAG_IS_ARRAY, {SECTION_ID_PIXEL_FORMAT_COMPONENT, -1 }, .unique_name = "pixel_format_components" },
227  [SECTION_ID_PIXEL_FORMAT_COMPONENT] = { SECTION_ID_PIXEL_FORMAT_COMPONENT, "component", 0, { -1 } },
228  [SECTION_ID_PROGRAM_STREAM_DISPOSITION] = { SECTION_ID_PROGRAM_STREAM_DISPOSITION, "disposition", 0, { -1 }, .unique_name = "program_stream_disposition" },
229  [SECTION_ID_PROGRAM_STREAM_TAGS] = { SECTION_ID_PROGRAM_STREAM_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "program_stream_tags" },
230  [SECTION_ID_PROGRAM] = { SECTION_ID_PROGRAM, "program", 0, { SECTION_ID_PROGRAM_TAGS, SECTION_ID_PROGRAM_STREAMS, -1 } },
231  [SECTION_ID_PROGRAM_STREAMS] = { SECTION_ID_PROGRAM_STREAMS, "streams", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PROGRAM_STREAM, -1 }, .unique_name = "program_streams" },
232  [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" },
233  [SECTION_ID_PROGRAM_TAGS] = { SECTION_ID_PROGRAM_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "program_tags" },
234  [SECTION_ID_PROGRAM_VERSION] = { SECTION_ID_PROGRAM_VERSION, "program_version", 0, { -1 } },
235  [SECTION_ID_PROGRAMS] = { SECTION_ID_PROGRAMS, "programs", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PROGRAM, -1 } },
236  [SECTION_ID_ROOT] = { SECTION_ID_ROOT, "root", SECTION_FLAG_IS_WRAPPER,
237  { SECTION_ID_CHAPTERS, SECTION_ID_FORMAT, SECTION_ID_FRAMES, SECTION_ID_PROGRAMS, SECTION_ID_STREAMS,
238  SECTION_ID_PACKETS, SECTION_ID_ERROR, SECTION_ID_PROGRAM_VERSION, SECTION_ID_LIBRARY_VERSIONS,
239  SECTION_ID_PIXEL_FORMATS, -1} },
240  [SECTION_ID_STREAMS] = { SECTION_ID_STREAMS, "streams", SECTION_FLAG_IS_ARRAY, { SECTION_ID_STREAM, -1 } },
241  [SECTION_ID_STREAM] = { SECTION_ID_STREAM, "stream", 0, { SECTION_ID_STREAM_DISPOSITION, SECTION_ID_STREAM_TAGS, SECTION_ID_STREAM_SIDE_DATA_LIST, -1 } },
242  [SECTION_ID_STREAM_DISPOSITION] = { SECTION_ID_STREAM_DISPOSITION, "disposition", 0, { -1 }, .unique_name = "stream_disposition" },
243  [SECTION_ID_STREAM_TAGS] = { SECTION_ID_STREAM_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "stream_tags" },
244  [SECTION_ID_STREAM_SIDE_DATA_LIST] ={ SECTION_ID_STREAM_SIDE_DATA_LIST, "side_data_list", SECTION_FLAG_IS_ARRAY, { SECTION_ID_STREAM_SIDE_DATA, -1 }, .element_name = "side_data", .unique_name = "stream_side_data_list" },
245  [SECTION_ID_STREAM_SIDE_DATA] = { SECTION_ID_STREAM_SIDE_DATA, "side_data", 0, { -1 } },
246  [SECTION_ID_SUBTITLE] = { SECTION_ID_SUBTITLE, "subtitle", 0, { -1 } },
247 };
248 
249 static const OptionDef *options;
250 
251 /* FFprobe context */
252 static const char *input_filename;
253 static AVInputFormat *iformat = NULL;
254 
255 static struct AVHashContext *hash;
256 
257 static const struct {
258  double bin_val;
259  double dec_val;
260  const char *bin_str;
261  const char *dec_str;
262 } si_prefixes[] = {
263  { 1.0, 1.0, "", "" },
264  { 1.024e3, 1e3, "Ki", "K" },
265  { 1.048576e6, 1e6, "Mi", "M" },
266  { 1.073741824e9, 1e9, "Gi", "G" },
267  { 1.099511627776e12, 1e12, "Ti", "T" },
268  { 1.125899906842624e15, 1e15, "Pi", "P" },
269 };
270 
271 static const char unit_second_str[] = "s" ;
272 static const char unit_hertz_str[] = "Hz" ;
273 static const char unit_byte_str[] = "byte" ;
274 static const char unit_bit_per_second_str[] = "bit/s";
275 
276 static int nb_streams;
277 static uint64_t *nb_streams_packets;
278 static uint64_t *nb_streams_frames;
279 static int *selected_streams;
280 
281 #if HAVE_THREADS
282 pthread_mutex_t log_mutex;
283 #endif
284 typedef struct LogBuffer {
285  char *context_name;
286  int log_level;
287  char *log_message;
288  AVClassCategory category;
289  char *parent_name;
290  AVClassCategory parent_category;
291 }LogBuffer;
292 
293 static LogBuffer *log_buffer;
294 static int log_buffer_size;
295 
296 static void log_callback(void *ptr, int level, const char *fmt, va_list vl)
297 {
298  AVClass* avc = ptr ? *(AVClass **) ptr : NULL;
299  va_list vl2;
300  char line[1024];
301  static int print_prefix = 1;
302  void *new_log_buffer;
303 
304  va_copy(vl2, vl);
305  av_log_default_callback(ptr, level, fmt, vl);
306  av_log_format_line(ptr, level, fmt, vl2, line, sizeof(line), &print_prefix);
307  va_end(vl2);
308 
309 #if HAVE_THREADS
310  pthread_mutex_lock(&log_mutex);
311 
312  new_log_buffer = av_realloc_array(log_buffer, log_buffer_size + 1, sizeof(*log_buffer));
313  if (new_log_buffer) {
314  char *msg;
315  int i;
316 
317  log_buffer = new_log_buffer;
318  memset(&log_buffer[log_buffer_size], 0, sizeof(log_buffer[log_buffer_size]));
319  log_buffer[log_buffer_size].context_name= avc ? av_strdup(avc->item_name(ptr)) : NULL;
320  if (avc) {
321  if (avc->get_category) log_buffer[log_buffer_size].category = avc->get_category(ptr);
322  else log_buffer[log_buffer_size].category = avc->category;
323  }
324  log_buffer[log_buffer_size].log_level = level;
325  msg = log_buffer[log_buffer_size].log_message = av_strdup(line);
326  for (i=strlen(msg) - 1; i>=0 && msg[i] == '\n'; i--) {
327  msg[i] = 0;
328  }
329  if (avc && avc->parent_log_context_offset) {
330  AVClass** parent = *(AVClass ***) (((uint8_t *) ptr) +
331  avc->parent_log_context_offset);
332  if (parent && *parent) {
333  log_buffer[log_buffer_size].parent_name = av_strdup((*parent)->item_name(parent));
334  log_buffer[log_buffer_size].parent_category =
335  (*parent)->get_category ? (*parent)->get_category(parent) :(*parent)->category;
336  }
337  }
338  log_buffer_size ++;
339  }
340 
341  pthread_mutex_unlock(&log_mutex);
342 #endif
343 }
344 
345 static void ffprobe_cleanup(int ret)
346 {
347  int i;
348  for (i = 0; i < FF_ARRAY_ELEMS(sections); i++)
349  av_dict_free(&(sections[i].entries_to_show));
350 
351 #if HAVE_THREADS
352  pthread_mutex_destroy(&log_mutex);
353 #endif
354 }
355 
356 struct unit_value {
357  union { double d; long long int i; } val;
358  const char *unit;
359 };
360 
361 static char *value_string(char *buf, int buf_size, struct unit_value uv)
362 {
363  double vald;
364  long long int vali;
365  int show_float = 0;
366 
367  if (uv.unit == unit_second_str) {
368  vald = uv.val.d;
369  show_float = 1;
370  } else {
371  vald = vali = uv.val.i;
372  }
373 
374  if (uv.unit == unit_second_str && use_value_sexagesimal_format) {
375  double secs;
376  int hours, mins;
377  secs = vald;
378  mins = (int)secs / 60;
379  secs = secs - mins * 60;
380  hours = mins / 60;
381  mins %= 60;
382  snprintf(buf, buf_size, "%d:%02d:%09.6f", hours, mins, secs);
383  } else {
384  const char *prefix_string = "";
385 
386  if (use_value_prefix && vald > 1) {
387  long long int index;
388 
389  if (uv.unit == unit_byte_str && use_byte_value_binary_prefix) {
390  index = (long long int) (log2(vald)) / 10;
391  index = av_clip(index, 0, FF_ARRAY_ELEMS(si_prefixes) - 1);
392  vald /= si_prefixes[index].bin_val;
393  prefix_string = si_prefixes[index].bin_str;
394  } else {
395  index = (long long int) (log10(vald)) / 3;
396  index = av_clip(index, 0, FF_ARRAY_ELEMS(si_prefixes) - 1);
397  vald /= si_prefixes[index].dec_val;
398  prefix_string = si_prefixes[index].dec_str;
399  }
400  vali = vald;
401  }
402 
403  if (show_float || (use_value_prefix && vald != (long long int)vald))
404  snprintf(buf, buf_size, "%f", vald);
405  else
406  snprintf(buf, buf_size, "%lld", vali);
407  av_strlcatf(buf, buf_size, "%s%s%s", *prefix_string || show_value_unit ? " " : "",
408  prefix_string, show_value_unit ? uv.unit : "");
409  }
410 
411  return buf;
412 }
413 
414 /* WRITERS API */
415 
416 typedef struct WriterContext WriterContext;
417 
418 #define WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS 1
419 #define WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER 2
420 
421 typedef enum {
422  WRITER_STRING_VALIDATION_FAIL,
423  WRITER_STRING_VALIDATION_REPLACE,
424  WRITER_STRING_VALIDATION_IGNORE,
425  WRITER_STRING_VALIDATION_NB
426 } StringValidation;
427 
428 typedef struct Writer {
429  const AVClass *priv_class; ///< private class of the writer, if any
430  int priv_size; ///< private size for the writer context
431  const char *name;
432 
433  int (*init) (WriterContext *wctx);
434  void (*uninit)(WriterContext *wctx);
435 
436  void (*print_section_header)(WriterContext *wctx);
437  void (*print_section_footer)(WriterContext *wctx);
438  void (*print_integer) (WriterContext *wctx, const char *, long long int);
439  void (*print_rational) (WriterContext *wctx, AVRational *q, char *sep);
440  void (*print_string) (WriterContext *wctx, const char *, const char *);
441  int flags; ///< a combination or WRITER_FLAG_*
442 } Writer;
443 
444 #define SECTION_MAX_NB_LEVELS 10
445 
446 struct WriterContext {
447  const AVClass *class; ///< class of the writer
448  const Writer *writer; ///< the Writer of which this is an instance
449  char *name; ///< name of this writer instance
450  void *priv; ///< private data for use by the filter
451 
452  const struct section *sections; ///< array containing all sections
453  int nb_sections; ///< number of sections
454 
455  int level; ///< current level, starting from 0
456 
457  /** number of the item printed in the given section, starting from 0 */
458  unsigned int nb_item[SECTION_MAX_NB_LEVELS];
459 
460  /** section per each level */
461  const struct section *section[SECTION_MAX_NB_LEVELS];
462  AVBPrint section_pbuf[SECTION_MAX_NB_LEVELS]; ///< generic print buffer dedicated to each section,
463  /// used by various writers
464 
465  unsigned int nb_section_packet; ///< number of the packet section in case we are in "packets_and_frames" section
466  unsigned int nb_section_frame; ///< number of the frame section in case we are in "packets_and_frames" section
467  unsigned int nb_section_packet_frame; ///< nb_section_packet or nb_section_frame according if is_packets_and_frames
468 
469  int string_validation;
470  char *string_validation_replacement;
471  unsigned int string_validation_utf8_flags;
472 };
473 
474 static const char *writer_get_name(void *p)
475 {
476  WriterContext *wctx = p;
477  return wctx->writer->name;
478 }
479 
480 #define OFFSET(x) offsetof(WriterContext, x)
481 
482 static const AVOption writer_options[] = {
483  { "string_validation", "set string validation mode",
484  OFFSET(string_validation), AV_OPT_TYPE_INT, {.i64=WRITER_STRING_VALIDATION_REPLACE}, 0, WRITER_STRING_VALIDATION_NB-1, .unit = "sv" },
485  { "sv", "set string validation mode",
486  OFFSET(string_validation), AV_OPT_TYPE_INT, {.i64=WRITER_STRING_VALIDATION_REPLACE}, 0, WRITER_STRING_VALIDATION_NB-1, .unit = "sv" },
487  { "ignore", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = WRITER_STRING_VALIDATION_IGNORE}, .unit = "sv" },
488  { "replace", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = WRITER_STRING_VALIDATION_REPLACE}, .unit = "sv" },
489  { "fail", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = WRITER_STRING_VALIDATION_FAIL}, .unit = "sv" },
490  { "string_validation_replacement", "set string validation replacement string", OFFSET(string_validation_replacement), AV_OPT_TYPE_STRING, {.str=""}},
491  { "svr", "set string validation replacement string", OFFSET(string_validation_replacement), AV_OPT_TYPE_STRING, {.str="\xEF\xBF\xBD"}},
492  { NULL }
493 };
494 
495 static void *writer_child_next(void *obj, void *prev)
496 {
497  WriterContext *ctx = obj;
498  if (!prev && ctx->writer && ctx->writer->priv_class && ctx->priv)
499  return ctx->priv;
500  return NULL;
501 }
502 
503 static const AVClass writer_class = {
504  .class_name = "Writer",
505  .item_name = writer_get_name,
506  .option = writer_options,
507  .version = LIBAVUTIL_VERSION_INT,
508  .child_next = writer_child_next,
509 };
510 
511 static void writer_close(WriterContext **wctx)
512 {
513  int i;
514 
515  if (!*wctx)
516  return;
517 
518  if ((*wctx)->writer->uninit)
519  (*wctx)->writer->uninit(*wctx);
520  for (i = 0; i < SECTION_MAX_NB_LEVELS; i++)
521  av_bprint_finalize(&(*wctx)->section_pbuf[i], NULL);
522  if ((*wctx)->writer->priv_class)
523  av_opt_free((*wctx)->priv);
524  av_freep(&((*wctx)->priv));
525  av_opt_free(*wctx);
526  av_freep(wctx);
527 }
528 
529 static void bprint_bytes(AVBPrint *bp, const uint8_t *ubuf, size_t ubuf_size)
530 {
531  int i;
532  av_bprintf(bp, "0X");
533  for (i = 0; i < ubuf_size; i++)
534  av_bprintf(bp, "%02X", ubuf[i]);
535 }
536 
537 
538 static int writer_open(WriterContext **wctx, const Writer *writer, const char *args,
539  const struct section *sections, int nb_sections)
540 {
541  int i, ret = 0;
542 
543  if (!(*wctx = av_mallocz(sizeof(WriterContext)))) {
544  ret = AVERROR(ENOMEM);
545  goto fail;
546  }
547 
548  if (!((*wctx)->priv = av_mallocz(writer->priv_size))) {
549  ret = AVERROR(ENOMEM);
550  goto fail;
551  }
552 
553  (*wctx)->class = &writer_class;
554  (*wctx)->writer = writer;
555  (*wctx)->level = -1;
556  (*wctx)->sections = sections;
557  (*wctx)->nb_sections = nb_sections;
558 
559  av_opt_set_defaults(*wctx);
560 
561  if (writer->priv_class) {
562  void *priv_ctx = (*wctx)->priv;
563  *((const AVClass **)priv_ctx) = writer->priv_class;
564  av_opt_set_defaults(priv_ctx);
565  }
566 
567  /* convert options to dictionary */
568  if (args) {
569  AVDictionary *opts = NULL;
570  AVDictionaryEntry *opt = NULL;
571 
572  if ((ret = av_dict_parse_string(&opts, args, "=", ":", 0)) < 0) {
573  av_log(*wctx, AV_LOG_ERROR, "Failed to parse option string '%s' provided to writer context\n", args);
574  av_dict_free(&opts);
575  goto fail;
576  }
577 
578  while ((opt = av_dict_get(opts, "", opt, AV_DICT_IGNORE_SUFFIX))) {
579  if ((ret = av_opt_set(*wctx, opt->key, opt->value, AV_OPT_SEARCH_CHILDREN)) < 0) {
580  av_log(*wctx, AV_LOG_ERROR, "Failed to set option '%s' with value '%s' provided to writer context\n",
581  opt->key, opt->value);
582  av_dict_free(&opts);
583  goto fail;
584  }
585  }
586 
587  av_dict_free(&opts);
588  }
589 
590  /* validate replace string */
591  {
592  const uint8_t *p = (*wctx)->string_validation_replacement;
593  const uint8_t *endp = p + strlen(p);
594  while (*p) {
595  const uint8_t *p0 = p;
596  int32_t code;
597  ret = av_utf8_decode(&code, &p, endp, (*wctx)->string_validation_utf8_flags);
598  if (ret < 0) {
599  AVBPrint bp;
600  av_bprint_init(&bp, 0, AV_BPRINT_SIZE_AUTOMATIC);
601  bprint_bytes(&bp, p0, p-p0),
602  av_log(wctx, AV_LOG_ERROR,
603  "Invalid UTF8 sequence %s found in string validation replace '%s'\n",
604  bp.str, (*wctx)->string_validation_replacement);
605  return ret;
606  }
607  }
608  }
609 
610  for (i = 0; i < SECTION_MAX_NB_LEVELS; i++)
611  av_bprint_init(&(*wctx)->section_pbuf[i], 1, AV_BPRINT_SIZE_UNLIMITED);
612 
613  if ((*wctx)->writer->init)
614  ret = (*wctx)->writer->init(*wctx);
615  if (ret < 0)
616  goto fail;
617 
618  return 0;
619 
620 fail:
621  writer_close(wctx);
622  return ret;
623 }
624 
625 static inline void writer_print_section_header(WriterContext *wctx,
626  int section_id)
627 {
628  int parent_section_id;
629  wctx->level++;
630  av_assert0(wctx->level < SECTION_MAX_NB_LEVELS);
631  parent_section_id = wctx->level ?
632  (wctx->section[wctx->level-1])->id : SECTION_ID_NONE;
633 
634  wctx->nb_item[wctx->level] = 0;
635  wctx->section[wctx->level] = &wctx->sections[section_id];
636 
637  if (section_id == SECTION_ID_PACKETS_AND_FRAMES) {
638  wctx->nb_section_packet = wctx->nb_section_frame =
639  wctx->nb_section_packet_frame = 0;
640  } else if (parent_section_id == SECTION_ID_PACKETS_AND_FRAMES) {
641  wctx->nb_section_packet_frame = section_id == SECTION_ID_PACKET ?
642  wctx->nb_section_packet : wctx->nb_section_frame;
643  }
644 
645  if (wctx->writer->print_section_header)
646  wctx->writer->print_section_header(wctx);
647 }
648 
649 static inline void writer_print_section_footer(WriterContext *wctx)
650 {
651  int section_id = wctx->section[wctx->level]->id;
652  int parent_section_id = wctx->level ?
653  wctx->section[wctx->level-1]->id : SECTION_ID_NONE;
654 
655  if (parent_section_id != SECTION_ID_NONE)
656  wctx->nb_item[wctx->level-1]++;
657  if (parent_section_id == SECTION_ID_PACKETS_AND_FRAMES) {
658  if (section_id == SECTION_ID_PACKET) wctx->nb_section_packet++;
659  else wctx->nb_section_frame++;
660  }
661  if (wctx->writer->print_section_footer)
662  wctx->writer->print_section_footer(wctx);
663  wctx->level--;
664 }
665 
666 static inline void writer_print_integer(WriterContext *wctx,
667  const char *key, long long int val)
668 {
669  const struct section *section = wctx->section[wctx->level];
670 
671  if (section->show_all_entries || av_dict_get(section->entries_to_show, key, NULL, 0)) {
672  wctx->writer->print_integer(wctx, key, val);
673  wctx->nb_item[wctx->level]++;
674  }
675 }
676 
677 static inline int validate_string(WriterContext *wctx, char **dstp, const char *src)
678 {
679  const uint8_t *p, *endp;
680  AVBPrint dstbuf;
681  int invalid_chars_nb = 0, ret = 0;
682 
683  av_bprint_init(&dstbuf, 0, AV_BPRINT_SIZE_UNLIMITED);
684 
685  endp = src + strlen(src);
686  for (p = (uint8_t *)src; *p;) {
687  uint32_t code;
688  int invalid = 0;
689  const uint8_t *p0 = p;
690 
691  if (av_utf8_decode(&code, &p, endp, wctx->string_validation_utf8_flags) < 0) {
692  AVBPrint bp;
693  av_bprint_init(&bp, 0, AV_BPRINT_SIZE_AUTOMATIC);
694  bprint_bytes(&bp, p0, p-p0);
695  av_log(wctx, AV_LOG_DEBUG,
696  "Invalid UTF-8 sequence %s found in string '%s'\n", bp.str, src);
697  invalid = 1;
698  }
699 
700  if (invalid) {
701  invalid_chars_nb++;
702 
703  switch (wctx->string_validation) {
704  case WRITER_STRING_VALIDATION_FAIL:
705  av_log(wctx, AV_LOG_ERROR,
706  "Invalid UTF-8 sequence found in string '%s'\n", src);
707  ret = AVERROR_INVALIDDATA;
708  goto end;
709  break;
710 
711  case WRITER_STRING_VALIDATION_REPLACE:
712  av_bprintf(&dstbuf, "%s", wctx->string_validation_replacement);
713  break;
714  }
715  }
716 
717  if (!invalid || wctx->string_validation == WRITER_STRING_VALIDATION_IGNORE)
718  av_bprint_append_data(&dstbuf, p0, p-p0);
719  }
720 
721  if (invalid_chars_nb && wctx->string_validation == WRITER_STRING_VALIDATION_REPLACE) {
722  av_log(wctx, AV_LOG_WARNING,
723  "%d invalid UTF-8 sequence(s) found in string '%s', replaced with '%s'\n",
724  invalid_chars_nb, src, wctx->string_validation_replacement);
725  }
726 
727 end:
728  av_bprint_finalize(&dstbuf, dstp);
729  return ret;
730 }
731 
732 #define PRINT_STRING_OPT 1
733 #define PRINT_STRING_VALIDATE 2
734 
735 static inline int writer_print_string(WriterContext *wctx,
736  const char *key, const char *val, int flags)
737 {
738  const struct section *section = wctx->section[wctx->level];
739  int ret = 0;
740 
741  if ((flags & PRINT_STRING_OPT)
742  && !(wctx->writer->flags & WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS))
743  return 0;
744 
745  if (section->show_all_entries || av_dict_get(section->entries_to_show, key, NULL, 0)) {
746  if (flags & PRINT_STRING_VALIDATE) {
747  char *key1 = NULL, *val1 = NULL;
748  ret = validate_string(wctx, &key1, key);
749  if (ret < 0) goto end;
750  ret = validate_string(wctx, &val1, val);
751  if (ret < 0) goto end;
752  wctx->writer->print_string(wctx, key1, val1);
753  end:
754  if (ret < 0) {
755  av_log(wctx, AV_LOG_ERROR,
756  "Invalid key=value string combination %s=%s in section %s\n",
757  key, val, section->unique_name);
758  }
759  av_free(key1);
760  av_free(val1);
761  } else {
762  wctx->writer->print_string(wctx, key, val);
763  }
764 
765  wctx->nb_item[wctx->level]++;
766  }
767 
768  return ret;
769 }
770 
771 static inline void writer_print_rational(WriterContext *wctx,
772  const char *key, AVRational q, char sep)
773 {
774  AVBPrint buf;
775  av_bprint_init(&buf, 0, AV_BPRINT_SIZE_AUTOMATIC);
776  av_bprintf(&buf, "%d%c%d", q.num, sep, q.den);
777  writer_print_string(wctx, key, buf.str, 0);
778 }
779 
780 static void writer_print_time(WriterContext *wctx, const char *key,
781  int64_t ts, const AVRational *time_base, int is_duration)
782 {
783  char buf[128];
784 
785  if ((!is_duration && ts == AV_NOPTS_VALUE) || (is_duration && ts == 0)) {
786  writer_print_string(wctx, key, "N/A", PRINT_STRING_OPT);
787  } else {
788  double d = ts * av_q2d(*time_base);
789  struct unit_value uv;
790  uv.val.d = d;
791  uv.unit = unit_second_str;
792  value_string(buf, sizeof(buf), uv);
793  writer_print_string(wctx, key, buf, 0);
794  }
795 }
796 
797 static void writer_print_ts(WriterContext *wctx, const char *key, int64_t ts, int is_duration)
798 {
799  if ((!is_duration && ts == AV_NOPTS_VALUE) || (is_duration && ts == 0)) {
800  writer_print_string(wctx, key, "N/A", PRINT_STRING_OPT);
801  } else {
802  writer_print_integer(wctx, key, ts);
803  }
804 }
805 
806 static void writer_print_data(WriterContext *wctx, const char *name,
807  uint8_t *data, int size)
808 {
809  AVBPrint bp;
810  int offset = 0, l, i;
811 
812  av_bprint_init(&bp, 0, AV_BPRINT_SIZE_UNLIMITED);
813  av_bprintf(&bp, "\n");
814  while (size) {
815  av_bprintf(&bp, "%08x: ", offset);
816  l = FFMIN(size, 16);
817  for (i = 0; i < l; i++) {
818  av_bprintf(&bp, "%02x", data[i]);
819  if (i & 1)
820  av_bprintf(&bp, " ");
821  }
822  av_bprint_chars(&bp, ' ', 41 - 2 * i - i / 2);
823  for (i = 0; i < l; i++)
824  av_bprint_chars(&bp, data[i] - 32U < 95 ? data[i] : '.', 1);
825  av_bprintf(&bp, "\n");
826  offset += l;
827  data += l;
828  size -= l;
829  }
830  writer_print_string(wctx, name, bp.str, 0);
831  av_bprint_finalize(&bp, NULL);
832 }
833 
834 static void writer_print_data_hash(WriterContext *wctx, const char *name,
835  uint8_t *data, int size)
836 {
837  char *p, buf[AV_HASH_MAX_SIZE * 2 + 64] = { 0 };
838 
839  if (!hash)
840  return;
841  av_hash_init(hash);
842  av_hash_update(hash, data, size);
843  snprintf(buf, sizeof(buf), "%s:", av_hash_get_name(hash));
844  p = buf + strlen(buf);
845  av_hash_final_hex(hash, p, buf + sizeof(buf) - p);
846  writer_print_string(wctx, name, buf, 0);
847 }
848 
849 static void writer_print_integers(WriterContext *wctx, const char *name,
850  uint8_t *data, int size, const char *format,
851  int columns, int bytes, int offset_add)
852 {
853  AVBPrint bp;
854  int offset = 0, l, i;
855 
856  av_bprint_init(&bp, 0, AV_BPRINT_SIZE_UNLIMITED);
857  av_bprintf(&bp, "\n");
858  while (size) {
859  av_bprintf(&bp, "%08x: ", offset);
860  l = FFMIN(size, columns);
861  for (i = 0; i < l; i++) {
862  if (bytes == 1) av_bprintf(&bp, format, *data);
863  else if (bytes == 2) av_bprintf(&bp, format, AV_RN16(data));
864  else if (bytes == 4) av_bprintf(&bp, format, AV_RN32(data));
865  data += bytes;
866  size --;
867  }
868  av_bprintf(&bp, "\n");
869  offset += offset_add;
870  }
871  writer_print_string(wctx, name, bp.str, 0);
872  av_bprint_finalize(&bp, NULL);
873 }
874 
875 #define MAX_REGISTERED_WRITERS_NB 64
876 
877 static const Writer *registered_writers[MAX_REGISTERED_WRITERS_NB + 1];
878 
879 static int writer_register(const Writer *writer)
880 {
881  static int next_registered_writer_idx = 0;
882 
883  if (next_registered_writer_idx == MAX_REGISTERED_WRITERS_NB)
884  return AVERROR(ENOMEM);
885 
886  registered_writers[next_registered_writer_idx++] = writer;
887  return 0;
888 }
889 
890 static const Writer *writer_get_by_name(const char *name)
891 {
892  int i;
893 
894  for (i = 0; registered_writers[i]; i++)
895  if (!strcmp(registered_writers[i]->name, name))
896  return registered_writers[i];
897 
898  return NULL;
899 }
900 
901 
902 /* WRITERS */
903 
904 #define DEFINE_WRITER_CLASS(name) \
905 static const char *name##_get_name(void *ctx) \
906 { \
907  return #name ; \
908 } \
909 static const AVClass name##_class = { \
910  .class_name = #name, \
911  .item_name = name##_get_name, \
912  .option = name##_options \
913 }
914 
915 /* Default output */
916 
917 typedef struct DefaultContext {
918  const AVClass *class;
919  int nokey;
920  int noprint_wrappers;
921  int nested_section[SECTION_MAX_NB_LEVELS];
922 } DefaultContext;
923 
924 #undef OFFSET
925 #define OFFSET(x) offsetof(DefaultContext, x)
926 
927 static const AVOption default_options[] = {
928  { "noprint_wrappers", "do not print headers and footers", OFFSET(noprint_wrappers), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
929  { "nw", "do not print headers and footers", OFFSET(noprint_wrappers), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
930  { "nokey", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
931  { "nk", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
932  {NULL},
933 };
934 
935 DEFINE_WRITER_CLASS(default);
936 
937 /* lame uppercasing routine, assumes the string is lower case ASCII */
938 static inline char *upcase_string(char *dst, size_t dst_size, const char *src)
939 {
940  int i;
941  for (i = 0; src[i] && i < dst_size-1; i++)
942  dst[i] = av_toupper(src[i]);
943  dst[i] = 0;
944  return dst;
945 }
946 
947 static void default_print_section_header(WriterContext *wctx)
948 {
949  DefaultContext *def = wctx->priv;
950  char buf[32];
951  const struct section *section = wctx->section[wctx->level];
952  const struct section *parent_section = wctx->level ?
953  wctx->section[wctx->level-1] : NULL;
954 
955  av_bprint_clear(&wctx->section_pbuf[wctx->level]);
956  if (parent_section &&
957  !(parent_section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY))) {
958  def->nested_section[wctx->level] = 1;
959  av_bprintf(&wctx->section_pbuf[wctx->level], "%s%s:",
960  wctx->section_pbuf[wctx->level-1].str,
961  upcase_string(buf, sizeof(buf),
962  av_x_if_null(section->element_name, section->name)));
963  }
964 
965  if (def->noprint_wrappers || def->nested_section[wctx->level])
966  return;
967 
968  if (!(section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY)))
969  printf("[%s]\n", upcase_string(buf, sizeof(buf), section->name));
970 }
971 
972 static void default_print_section_footer(WriterContext *wctx)
973 {
974  DefaultContext *def = wctx->priv;
975  const struct section *section = wctx->section[wctx->level];
976  char buf[32];
977 
978  if (def->noprint_wrappers || def->nested_section[wctx->level])
979  return;
980 
981  if (!(section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY)))
982  printf("[/%s]\n", upcase_string(buf, sizeof(buf), section->name));
983 }
984 
985 static void default_print_str(WriterContext *wctx, const char *key, const char *value)
986 {
987  DefaultContext *def = wctx->priv;
988 
989  if (!def->nokey)
990  printf("%s%s=", wctx->section_pbuf[wctx->level].str, key);
991  printf("%s\n", value);
992 }
993 
994 static void default_print_int(WriterContext *wctx, const char *key, long long int value)
995 {
996  DefaultContext *def = wctx->priv;
997 
998  if (!def->nokey)
999  printf("%s%s=", wctx->section_pbuf[wctx->level].str, key);
1000  printf("%lld\n", value);
1001 }
1002 
1003 static const Writer default_writer = {
1004  .name = "default",
1005  .priv_size = sizeof(DefaultContext),
1006  .print_section_header = default_print_section_header,
1007  .print_section_footer = default_print_section_footer,
1008  .print_integer = default_print_int,
1009  .print_string = default_print_str,
1010  .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS,
1011  .priv_class = &default_class,
1012 };
1013 
1014 /* Compact output */
1015 
1016 /**
1017  * Apply C-language-like string escaping.
1018  */
1019 static const char *c_escape_str(AVBPrint *dst, const char *src, const char sep, void *log_ctx)
1020 {
1021  const char *p;
1022 
1023  for (p = src; *p; p++) {
1024  switch (*p) {
1025  case '\b': av_bprintf(dst, "%s", "\\b"); break;
1026  case '\f': av_bprintf(dst, "%s", "\\f"); break;
1027  case '\n': av_bprintf(dst, "%s", "\\n"); break;
1028  case '\r': av_bprintf(dst, "%s", "\\r"); break;
1029  case '\\': av_bprintf(dst, "%s", "\\\\"); break;
1030  default:
1031  if (*p == sep)
1032  av_bprint_chars(dst, '\\', 1);
1033  av_bprint_chars(dst, *p, 1);
1034  }
1035  }
1036  return dst->str;
1037 }
1038 
1039 /**
1040  * Quote fields containing special characters, check RFC4180.
1041  */
1042 static const char *csv_escape_str(AVBPrint *dst, const char *src, const char sep, void *log_ctx)
1043 {
1044  char meta_chars[] = { sep, '"', '\n', '\r', '\0' };
1045  int needs_quoting = !!src[strcspn(src, meta_chars)];
1046 
1047  if (needs_quoting)
1048  av_bprint_chars(dst, '"', 1);
1049 
1050  for (; *src; src++) {
1051  if (*src == '"')
1052  av_bprint_chars(dst, '"', 1);
1053  av_bprint_chars(dst, *src, 1);
1054  }
1055  if (needs_quoting)
1056  av_bprint_chars(dst, '"', 1);
1057  return dst->str;
1058 }
1059 
1060 static const char *none_escape_str(AVBPrint *dst, const char *src, const char sep, void *log_ctx)
1061 {
1062  return src;
1063 }
1064 
1065 typedef struct CompactContext {
1066  const AVClass *class;
1067  char *item_sep_str;
1068  char item_sep;
1069  int nokey;
1070  int print_section;
1071  char *escape_mode_str;
1072  const char * (*escape_str)(AVBPrint *dst, const char *src, const char sep, void *log_ctx);
1073  int nested_section[SECTION_MAX_NB_LEVELS];
1074  int has_nested_elems[SECTION_MAX_NB_LEVELS];
1075  int terminate_line[SECTION_MAX_NB_LEVELS];
1076 } CompactContext;
1077 
1078 #undef OFFSET
1079 #define OFFSET(x) offsetof(CompactContext, x)
1080 
1081 static const AVOption compact_options[]= {
1082  {"item_sep", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str="|"}, CHAR_MIN, CHAR_MAX },
1083  {"s", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str="|"}, CHAR_MIN, CHAR_MAX },
1084  {"nokey", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
1085  {"nk", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
1086  {"escape", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="c"}, CHAR_MIN, CHAR_MAX },
1087  {"e", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="c"}, CHAR_MIN, CHAR_MAX },
1088  {"print_section", "print section name", OFFSET(print_section), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
1089  {"p", "print section name", OFFSET(print_section), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
1090  {NULL},
1091 };
1092 
1093 DEFINE_WRITER_CLASS(compact);
1094 
1095 static av_cold int compact_init(WriterContext *wctx)
1096 {
1097  CompactContext *compact = wctx->priv;
1098 
1099  if (strlen(compact->item_sep_str) != 1) {
1100  av_log(wctx, AV_LOG_ERROR, "Item separator '%s' specified, but must contain a single character\n",
1101  compact->item_sep_str);
1102  return AVERROR(EINVAL);
1103  }
1104  compact->item_sep = compact->item_sep_str[0];
1105 
1106  if (!strcmp(compact->escape_mode_str, "none")) compact->escape_str = none_escape_str;
1107  else if (!strcmp(compact->escape_mode_str, "c" )) compact->escape_str = c_escape_str;
1108  else if (!strcmp(compact->escape_mode_str, "csv" )) compact->escape_str = csv_escape_str;
1109  else {
1110  av_log(wctx, AV_LOG_ERROR, "Unknown escape mode '%s'\n", compact->escape_mode_str);
1111  return AVERROR(EINVAL);
1112  }
1113 
1114  return 0;
1115 }
1116 
1117 static void compact_print_section_header(WriterContext *wctx)
1118 {
1119  CompactContext *compact = wctx->priv;
1120  const struct section *section = wctx->section[wctx->level];
1121  const struct section *parent_section = wctx->level ?
1122  wctx->section[wctx->level-1] : NULL;
1123  compact->terminate_line[wctx->level] = 1;
1124  compact->has_nested_elems[wctx->level] = 0;
1125 
1126  av_bprint_clear(&wctx->section_pbuf[wctx->level]);
1127  if (!(section->flags & SECTION_FLAG_IS_ARRAY) && parent_section &&
1128  !(parent_section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY))) {
1129  compact->nested_section[wctx->level] = 1;
1130  compact->has_nested_elems[wctx->level-1] = 1;
1131  av_bprintf(&wctx->section_pbuf[wctx->level], "%s%s:",
1132  wctx->section_pbuf[wctx->level-1].str,
1133  (char *)av_x_if_null(section->element_name, section->name));
1134  wctx->nb_item[wctx->level] = wctx->nb_item[wctx->level-1];
1135  } else {
1136  if (parent_section && compact->has_nested_elems[wctx->level-1] &&
1137  (section->flags & SECTION_FLAG_IS_ARRAY)) {
1138  compact->terminate_line[wctx->level-1] = 0;
1139  printf("\n");
1140  }
1141  if (compact->print_section &&
1142  !(section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY)))
1143  printf("%s%c", section->name, compact->item_sep);
1144  }
1145 }
1146 
1147 static void compact_print_section_footer(WriterContext *wctx)
1148 {
1149  CompactContext *compact = wctx->priv;
1150 
1151  if (!compact->nested_section[wctx->level] &&
1152  compact->terminate_line[wctx->level] &&
1153  !(wctx->section[wctx->level]->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY)))
1154  printf("\n");
1155 }
1156 
1157 static void compact_print_str(WriterContext *wctx, const char *key, const char *value)
1158 {
1159  CompactContext *compact = wctx->priv;
1160  AVBPrint buf;
1161 
1162  if (wctx->nb_item[wctx->level]) printf("%c", compact->item_sep);
1163  if (!compact->nokey)
1164  printf("%s%s=", wctx->section_pbuf[wctx->level].str, key);
1165  av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1166  printf("%s", compact->escape_str(&buf, value, compact->item_sep, wctx));
1167  av_bprint_finalize(&buf, NULL);
1168 }
1169 
1170 static void compact_print_int(WriterContext *wctx, const char *key, long long int value)
1171 {
1172  CompactContext *compact = wctx->priv;
1173 
1174  if (wctx->nb_item[wctx->level]) printf("%c", compact->item_sep);
1175  if (!compact->nokey)
1176  printf("%s%s=", wctx->section_pbuf[wctx->level].str, key);
1177  printf("%lld", value);
1178 }
1179 
1180 static const Writer compact_writer = {
1181  .name = "compact",
1182  .priv_size = sizeof(CompactContext),
1183  .init = compact_init,
1184  .print_section_header = compact_print_section_header,
1185  .print_section_footer = compact_print_section_footer,
1186  .print_integer = compact_print_int,
1187  .print_string = compact_print_str,
1188  .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS,
1189  .priv_class = &compact_class,
1190 };
1191 
1192 /* CSV output */
1193 
1194 #undef OFFSET
1195 #define OFFSET(x) offsetof(CompactContext, x)
1196 
1197 static const AVOption csv_options[] = {
1198  {"item_sep", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str=","}, CHAR_MIN, CHAR_MAX },
1199  {"s", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str=","}, CHAR_MIN, CHAR_MAX },
1200  {"nokey", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
1201  {"nk", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
1202  {"escape", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="csv"}, CHAR_MIN, CHAR_MAX },
1203  {"e", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="csv"}, CHAR_MIN, CHAR_MAX },
1204  {"print_section", "print section name", OFFSET(print_section), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
1205  {"p", "print section name", OFFSET(print_section), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
1206  {NULL},
1207 };
1208 
1209 DEFINE_WRITER_CLASS(csv);
1210 
1211 static const Writer csv_writer = {
1212  .name = "csv",
1213  .priv_size = sizeof(CompactContext),
1214  .init = compact_init,
1215  .print_section_header = compact_print_section_header,
1216  .print_section_footer = compact_print_section_footer,
1217  .print_integer = compact_print_int,
1218  .print_string = compact_print_str,
1219  .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS,
1220  .priv_class = &csv_class,
1221 };
1222 
1223 /* Flat output */
1224 
1225 typedef struct FlatContext {
1226  const AVClass *class;
1227  const char *sep_str;
1228  char sep;
1229  int hierarchical;
1230 } FlatContext;
1231 
1232 #undef OFFSET
1233 #define OFFSET(x) offsetof(FlatContext, x)
1234 
1235 static const AVOption flat_options[]= {
1236  {"sep_char", "set separator", OFFSET(sep_str), AV_OPT_TYPE_STRING, {.str="."}, CHAR_MIN, CHAR_MAX },
1237  {"s", "set separator", OFFSET(sep_str), AV_OPT_TYPE_STRING, {.str="."}, CHAR_MIN, CHAR_MAX },
1238  {"hierarchical", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
1239  {"h", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
1240  {NULL},
1241 };
1242 
1243 DEFINE_WRITER_CLASS(flat);
1244 
1245 static av_cold int flat_init(WriterContext *wctx)
1246 {
1247  FlatContext *flat = wctx->priv;
1248 
1249  if (strlen(flat->sep_str) != 1) {
1250  av_log(wctx, AV_LOG_ERROR, "Item separator '%s' specified, but must contain a single character\n",
1251  flat->sep_str);
1252  return AVERROR(EINVAL);
1253  }
1254  flat->sep = flat->sep_str[0];
1255 
1256  return 0;
1257 }
1258 
1259 static const char *flat_escape_key_str(AVBPrint *dst, const char *src, const char sep)
1260 {
1261  const char *p;
1262 
1263  for (p = src; *p; p++) {
1264  if (!((*p >= '0' && *p <= '9') ||
1265  (*p >= 'a' && *p <= 'z') ||
1266  (*p >= 'A' && *p <= 'Z')))
1267  av_bprint_chars(dst, '_', 1);
1268  else
1269  av_bprint_chars(dst, *p, 1);
1270  }
1271  return dst->str;
1272 }
1273 
1274 static const char *flat_escape_value_str(AVBPrint *dst, const char *src)
1275 {
1276  const char *p;
1277 
1278  for (p = src; *p; p++) {
1279  switch (*p) {
1280  case '\n': av_bprintf(dst, "%s", "\\n"); break;
1281  case '\r': av_bprintf(dst, "%s", "\\r"); break;
1282  case '\\': av_bprintf(dst, "%s", "\\\\"); break;
1283  case '"': av_bprintf(dst, "%s", "\\\""); break;
1284  case '`': av_bprintf(dst, "%s", "\\`"); break;
1285  case '$': av_bprintf(dst, "%s", "\\$"); break;
1286  default: av_bprint_chars(dst, *p, 1); break;
1287  }
1288  }
1289  return dst->str;
1290 }
1291 
1292 static void flat_print_section_header(WriterContext *wctx)
1293 {
1294  FlatContext *flat = wctx->priv;
1295  AVBPrint *buf = &wctx->section_pbuf[wctx->level];
1296  const struct section *section = wctx->section[wctx->level];
1297  const struct section *parent_section = wctx->level ?
1298  wctx->section[wctx->level-1] : NULL;
1299 
1300  /* build section header */
1301  av_bprint_clear(buf);
1302  if (!parent_section)
1303  return;
1304  av_bprintf(buf, "%s", wctx->section_pbuf[wctx->level-1].str);
1305 
1306  if (flat->hierarchical ||
1307  !(section->flags & (SECTION_FLAG_IS_ARRAY|SECTION_FLAG_IS_WRAPPER))) {
1308  av_bprintf(buf, "%s%s", wctx->section[wctx->level]->name, flat->sep_str);
1309 
1310  if (parent_section->flags & SECTION_FLAG_IS_ARRAY) {
1311  int n = parent_section->id == SECTION_ID_PACKETS_AND_FRAMES ?
1312  wctx->nb_section_packet_frame : wctx->nb_item[wctx->level-1];
1313  av_bprintf(buf, "%d%s", n, flat->sep_str);
1314  }
1315  }
1316 }
1317 
1318 static void flat_print_int(WriterContext *wctx, const char *key, long long int value)
1319 {
1320  printf("%s%s=%lld\n", wctx->section_pbuf[wctx->level].str, key, value);
1321 }
1322 
1323 static void flat_print_str(WriterContext *wctx, const char *key, const char *value)
1324 {
1325  FlatContext *flat = wctx->priv;
1326  AVBPrint buf;
1327 
1328  printf("%s", wctx->section_pbuf[wctx->level].str);
1329  av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1330  printf("%s=", flat_escape_key_str(&buf, key, flat->sep));
1331  av_bprint_clear(&buf);
1332  printf("\"%s\"\n", flat_escape_value_str(&buf, value));
1333  av_bprint_finalize(&buf, NULL);
1334 }
1335 
1336 static const Writer flat_writer = {
1337  .name = "flat",
1338  .priv_size = sizeof(FlatContext),
1339  .init = flat_init,
1340  .print_section_header = flat_print_section_header,
1341  .print_integer = flat_print_int,
1342  .print_string = flat_print_str,
1343  .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS|WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,
1344  .priv_class = &flat_class,
1345 };
1346 
1347 /* INI format output */
1348 
1349 typedef struct INIContext {
1350  const AVClass *class;
1351  int hierarchical;
1352 } INIContext;
1353 
1354 #undef OFFSET
1355 #define OFFSET(x) offsetof(INIContext, x)
1356 
1357 static const AVOption ini_options[] = {
1358  {"hierarchical", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
1359  {"h", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
1360  {NULL},
1361 };
1362 
1363 DEFINE_WRITER_CLASS(ini);
1364 
1365 static char *ini_escape_str(AVBPrint *dst, const char *src)
1366 {
1367  int i = 0;
1368  char c = 0;
1369 
1370  while (c = src[i++]) {
1371  switch (c) {
1372  case '\b': av_bprintf(dst, "%s", "\\b"); break;
1373  case '\f': av_bprintf(dst, "%s", "\\f"); break;
1374  case '\n': av_bprintf(dst, "%s", "\\n"); break;
1375  case '\r': av_bprintf(dst, "%s", "\\r"); break;
1376  case '\t': av_bprintf(dst, "%s", "\\t"); break;
1377  case '\\':
1378  case '#' :
1379  case '=' :
1380  case ':' : av_bprint_chars(dst, '\\', 1);
1381  default:
1382  if ((unsigned char)c < 32)
1383  av_bprintf(dst, "\\x00%02x", c & 0xff);
1384  else
1385  av_bprint_chars(dst, c, 1);
1386  break;
1387  }
1388  }
1389  return dst->str;
1390 }
1391 
1392 static void ini_print_section_header(WriterContext *wctx)
1393 {
1394  INIContext *ini = wctx->priv;
1395  AVBPrint *buf = &wctx->section_pbuf[wctx->level];
1396  const struct section *section = wctx->section[wctx->level];
1397  const struct section *parent_section = wctx->level ?
1398  wctx->section[wctx->level-1] : NULL;
1399 
1400  av_bprint_clear(buf);
1401  if (!parent_section) {
1402  printf("# ffprobe output\n\n");
1403  return;
1404  }
1405 
1406  if (wctx->nb_item[wctx->level-1])
1407  printf("\n");
1408 
1409  av_bprintf(buf, "%s", wctx->section_pbuf[wctx->level-1].str);
1410  if (ini->hierarchical ||
1411  !(section->flags & (SECTION_FLAG_IS_ARRAY|SECTION_FLAG_IS_WRAPPER))) {
1412  av_bprintf(buf, "%s%s", buf->str[0] ? "." : "", wctx->section[wctx->level]->name);
1413 
1414  if (parent_section->flags & SECTION_FLAG_IS_ARRAY) {
1415  int n = parent_section->id == SECTION_ID_PACKETS_AND_FRAMES ?
1416  wctx->nb_section_packet_frame : wctx->nb_item[wctx->level-1];
1417  av_bprintf(buf, ".%d", n);
1418  }
1419  }
1420 
1421  if (!(section->flags & (SECTION_FLAG_IS_ARRAY|SECTION_FLAG_IS_WRAPPER)))
1422  printf("[%s]\n", buf->str);
1423 }
1424 
1425 static void ini_print_str(WriterContext *wctx, const char *key, const char *value)
1426 {
1427  AVBPrint buf;
1428 
1429  av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1430  printf("%s=", ini_escape_str(&buf, key));
1431  av_bprint_clear(&buf);
1432  printf("%s\n", ini_escape_str(&buf, value));
1433  av_bprint_finalize(&buf, NULL);
1434 }
1435 
1436 static void ini_print_int(WriterContext *wctx, const char *key, long long int value)
1437 {
1438  printf("%s=%lld\n", key, value);
1439 }
1440 
1441 static const Writer ini_writer = {
1442  .name = "ini",
1443  .priv_size = sizeof(INIContext),
1444  .print_section_header = ini_print_section_header,
1445  .print_integer = ini_print_int,
1446  .print_string = ini_print_str,
1447  .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS|WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,
1448  .priv_class = &ini_class,
1449 };
1450 
1451 /* JSON output */
1452 
1453 typedef struct JSONContext {
1454  const AVClass *class;
1455  int indent_level;
1456  int compact;
1457  const char *item_sep, *item_start_end;
1458 } JSONContext;
1459 
1460 #undef OFFSET
1461 #define OFFSET(x) offsetof(JSONContext, x)
1462 
1463 static const AVOption json_options[]= {
1464  { "compact", "enable compact output", OFFSET(compact), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
1465  { "c", "enable compact output", OFFSET(compact), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
1466  { NULL }
1467 };
1468 
1469 DEFINE_WRITER_CLASS(json);
1470 
1471 static av_cold int json_init(WriterContext *wctx)
1472 {
1473  JSONContext *json = wctx->priv;
1474 
1475  json->item_sep = json->compact ? ", " : ",\n";
1476  json->item_start_end = json->compact ? " " : "\n";
1477 
1478  return 0;
1479 }
1480 
1481 static const char *json_escape_str(AVBPrint *dst, const char *src, void *log_ctx)
1482 {
1483  static const char json_escape[] = {'"', '\\', '\b', '\f', '\n', '\r', '\t', 0};
1484  static const char json_subst[] = {'"', '\\', 'b', 'f', 'n', 'r', 't', 0};
1485  const char *p;
1486 
1487  for (p = src; *p; p++) {
1488  char *s = strchr(json_escape, *p);
1489  if (s) {
1490  av_bprint_chars(dst, '\\', 1);
1491  av_bprint_chars(dst, json_subst[s - json_escape], 1);
1492  } else if ((unsigned char)*p < 32) {
1493  av_bprintf(dst, "\\u00%02x", *p & 0xff);
1494  } else {
1495  av_bprint_chars(dst, *p, 1);
1496  }
1497  }
1498  return dst->str;
1499 }
1500 
1501 #define JSON_INDENT() printf("%*c", json->indent_level * 4, ' ')
1502 
1503 static void json_print_section_header(WriterContext *wctx)
1504 {
1505  JSONContext *json = wctx->priv;
1506  AVBPrint buf;
1507  const struct section *section = wctx->section[wctx->level];
1508  const struct section *parent_section = wctx->level ?
1509  wctx->section[wctx->level-1] : NULL;
1510 
1511  if (wctx->level && wctx->nb_item[wctx->level-1])
1512  printf(",\n");
1513 
1514  if (section->flags & SECTION_FLAG_IS_WRAPPER) {
1515  printf("{\n");
1516  json->indent_level++;
1517  } else {
1518  av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1519  json_escape_str(&buf, section->name, wctx);
1520  JSON_INDENT();
1521 
1522  json->indent_level++;
1523  if (section->flags & SECTION_FLAG_IS_ARRAY) {
1524  printf("\"%s\": [\n", buf.str);
1525  } else if (parent_section && !(parent_section->flags & SECTION_FLAG_IS_ARRAY)) {
1526  printf("\"%s\": {%s", buf.str, json->item_start_end);
1527  } else {
1528  printf("{%s", json->item_start_end);
1529 
1530  /* this is required so the parser can distinguish between packets and frames */
1531  if (parent_section && parent_section->id == SECTION_ID_PACKETS_AND_FRAMES) {
1532  if (!json->compact)
1533  JSON_INDENT();
1534  printf("\"type\": \"%s\"%s", section->name, json->item_sep);
1535  }
1536  }
1537  av_bprint_finalize(&buf, NULL);
1538  }
1539 }
1540 
1541 static void json_print_section_footer(WriterContext *wctx)
1542 {
1543  JSONContext *json = wctx->priv;
1544  const struct section *section = wctx->section[wctx->level];
1545 
1546  if (wctx->level == 0) {
1547  json->indent_level--;
1548  printf("\n}\n");
1549  } else if (section->flags & SECTION_FLAG_IS_ARRAY) {
1550  printf("\n");
1551  json->indent_level--;
1552  JSON_INDENT();
1553  printf("]");
1554  } else {
1555  printf("%s", json->item_start_end);
1556  json->indent_level--;
1557  if (!json->compact)
1558  JSON_INDENT();
1559  printf("}");
1560  }
1561 }
1562 
1563 static inline void json_print_item_str(WriterContext *wctx,
1564  const char *key, const char *value)
1565 {
1566  AVBPrint buf;
1567 
1568  av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1569  printf("\"%s\":", json_escape_str(&buf, key, wctx));
1570  av_bprint_clear(&buf);
1571  printf(" \"%s\"", json_escape_str(&buf, value, wctx));
1572  av_bprint_finalize(&buf, NULL);
1573 }
1574 
1575 static void json_print_str(WriterContext *wctx, const char *key, const char *value)
1576 {
1577  JSONContext *json = wctx->priv;
1578 
1579  if (wctx->nb_item[wctx->level])
1580  printf("%s", json->item_sep);
1581  if (!json->compact)
1582  JSON_INDENT();
1583  json_print_item_str(wctx, key, value);
1584 }
1585 
1586 static void json_print_int(WriterContext *wctx, const char *key, long long int value)
1587 {
1588  JSONContext *json = wctx->priv;
1589  AVBPrint buf;
1590 
1591  if (wctx->nb_item[wctx->level])
1592  printf("%s", json->item_sep);
1593  if (!json->compact)
1594  JSON_INDENT();
1595 
1596  av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1597  printf("\"%s\": %lld", json_escape_str(&buf, key, wctx), value);
1598  av_bprint_finalize(&buf, NULL);
1599 }
1600 
1601 static const Writer json_writer = {
1602  .name = "json",
1603  .priv_size = sizeof(JSONContext),
1604  .init = json_init,
1605  .print_section_header = json_print_section_header,
1606  .print_section_footer = json_print_section_footer,
1607  .print_integer = json_print_int,
1608  .print_string = json_print_str,
1609  .flags = WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,
1610  .priv_class = &json_class,
1611 };
1612 
1613 /* XML output */
1614 
1615 typedef struct XMLContext {
1616  const AVClass *class;
1617  int within_tag;
1618  int indent_level;
1619  int fully_qualified;
1620  int xsd_strict;
1621 } XMLContext;
1622 
1623 #undef OFFSET
1624 #define OFFSET(x) offsetof(XMLContext, x)
1625 
1626 static const AVOption xml_options[] = {
1627  {"fully_qualified", "specify if the output should be fully qualified", OFFSET(fully_qualified), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
1628  {"q", "specify if the output should be fully qualified", OFFSET(fully_qualified), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
1629  {"xsd_strict", "ensure that the output is XSD compliant", OFFSET(xsd_strict), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
1630  {"x", "ensure that the output is XSD compliant", OFFSET(xsd_strict), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
1631  {NULL},
1632 };
1633 
1634 DEFINE_WRITER_CLASS(xml);
1635 
1636 static av_cold int xml_init(WriterContext *wctx)
1637 {
1638  XMLContext *xml = wctx->priv;
1639 
1640  if (xml->xsd_strict) {
1641  xml->fully_qualified = 1;
1642 #define CHECK_COMPLIANCE(opt, opt_name) \
1643  if (opt) { \
1644  av_log(wctx, AV_LOG_ERROR, \
1645  "XSD-compliant output selected but option '%s' was selected, XML output may be non-compliant.\n" \
1646  "You need to disable such option with '-no%s'\n", opt_name, opt_name); \
1647  return AVERROR(EINVAL); \
1648  }
1649  CHECK_COMPLIANCE(show_private_data, "private");
1650  CHECK_COMPLIANCE(show_value_unit, "unit");
1651  CHECK_COMPLIANCE(use_value_prefix, "prefix");
1652 
1653  if (do_show_frames && do_show_packets) {
1654  av_log(wctx, AV_LOG_ERROR,
1655  "Interleaved frames and packets are not allowed in XSD. "
1656  "Select only one between the -show_frames and the -show_packets options.\n");
1657  return AVERROR(EINVAL);
1658  }
1659  }
1660 
1661  return 0;
1662 }
1663 
1664 static const char *xml_escape_str(AVBPrint *dst, const char *src, void *log_ctx)
1665 {
1666  const char *p;
1667 
1668  for (p = src; *p; p++) {
1669  switch (*p) {
1670  case '&' : av_bprintf(dst, "%s", "&amp;"); break;
1671  case '<' : av_bprintf(dst, "%s", "&lt;"); break;
1672  case '>' : av_bprintf(dst, "%s", "&gt;"); break;
1673  case '"' : av_bprintf(dst, "%s", "&quot;"); break;
1674  case '\'': av_bprintf(dst, "%s", "&apos;"); break;
1675  default: av_bprint_chars(dst, *p, 1);
1676  }
1677  }
1678 
1679  return dst->str;
1680 }
1681 
1682 #define XML_INDENT() printf("%*c", xml->indent_level * 4, ' ')
1683 
1684 static void xml_print_section_header(WriterContext *wctx)
1685 {
1686  XMLContext *xml = wctx->priv;
1687  const struct section *section = wctx->section[wctx->level];
1688  const struct section *parent_section = wctx->level ?
1689  wctx->section[wctx->level-1] : NULL;
1690 
1691  if (wctx->level == 0) {
1692  const char *qual = " xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' "
1693  "xmlns:ffprobe='http://www.ffmpeg.org/schema/ffprobe' "
1694  "xsi:schemaLocation='http://www.ffmpeg.org/schema/ffprobe ffprobe.xsd'";
1695 
1696  printf("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");
1697  printf("<%sffprobe%s>\n",
1698  xml->fully_qualified ? "ffprobe:" : "",
1699  xml->fully_qualified ? qual : "");
1700  return;
1701  }
1702 
1703  if (xml->within_tag) {
1704  xml->within_tag = 0;
1705  printf(">\n");
1706  }
1707  if (section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS) {
1708  xml->indent_level++;
1709  } else {
1710  if (parent_section && (parent_section->flags & SECTION_FLAG_IS_WRAPPER) &&
1711  wctx->level && wctx->nb_item[wctx->level-1])
1712  printf("\n");
1713  xml->indent_level++;
1714 
1715  if (section->flags & SECTION_FLAG_IS_ARRAY) {
1716  XML_INDENT(); printf("<%s>\n", section->name);
1717  } else {
1718  XML_INDENT(); printf("<%s ", section->name);
1719  xml->within_tag = 1;
1720  }
1721  }
1722 }
1723 
1724 static void xml_print_section_footer(WriterContext *wctx)
1725 {
1726  XMLContext *xml = wctx->priv;
1727  const struct section *section = wctx->section[wctx->level];
1728 
1729  if (wctx->level == 0) {
1730  printf("</%sffprobe>\n", xml->fully_qualified ? "ffprobe:" : "");
1731  } else if (xml->within_tag) {
1732  xml->within_tag = 0;
1733  printf("/>\n");
1734  xml->indent_level--;
1735  } else if (section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS) {
1736  xml->indent_level--;
1737  } else {
1738  XML_INDENT(); printf("</%s>\n", section->name);
1739  xml->indent_level--;
1740  }
1741 }
1742 
1743 static void xml_print_str(WriterContext *wctx, const char *key, const char *value)
1744 {
1745  AVBPrint buf;
1746  XMLContext *xml = wctx->priv;
1747  const struct section *section = wctx->section[wctx->level];
1748 
1749  av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1750 
1751  if (section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS) {
1752  XML_INDENT();
1753  printf("<%s key=\"%s\"",
1754  section->element_name, xml_escape_str(&buf, key, wctx));
1755  av_bprint_clear(&buf);
1756  printf(" value=\"%s\"/>\n", xml_escape_str(&buf, value, wctx));
1757  } else {
1758  if (wctx->nb_item[wctx->level])
1759  printf(" ");
1760  printf("%s=\"%s\"", key, xml_escape_str(&buf, value, wctx));
1761  }
1762 
1763  av_bprint_finalize(&buf, NULL);
1764 }
1765 
1766 static void xml_print_int(WriterContext *wctx, const char *key, long long int value)
1767 {
1768  if (wctx->nb_item[wctx->level])
1769  printf(" ");
1770  printf("%s=\"%lld\"", key, value);
1771 }
1772 
1773 static Writer xml_writer = {
1774  .name = "xml",
1775  .priv_size = sizeof(XMLContext),
1776  .init = xml_init,
1777  .print_section_header = xml_print_section_header,
1778  .print_section_footer = xml_print_section_footer,
1779  .print_integer = xml_print_int,
1780  .print_string = xml_print_str,
1781  .flags = WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,
1782  .priv_class = &xml_class,
1783 };
1784 
1785 static void writer_register_all(void)
1786 {
1787  static int initialized;
1788 
1789  if (initialized)
1790  return;
1791  initialized = 1;
1792 
1793  writer_register(&default_writer);
1794  writer_register(&compact_writer);
1795  writer_register(&csv_writer);
1796  writer_register(&flat_writer);
1797  writer_register(&ini_writer);
1798  writer_register(&json_writer);
1799  writer_register(&xml_writer);
1800 }
1801 
1802 #define print_fmt(k, f, ...) do { \
1803  av_bprint_clear(&pbuf); \
1804  av_bprintf(&pbuf, f, __VA_ARGS__); \
1805  writer_print_string(w, k, pbuf.str, 0); \
1806 } while (0)
1807 
1808 #define print_int(k, v) writer_print_integer(w, k, v)
1809 #define print_q(k, v, s) writer_print_rational(w, k, v, s)
1810 #define print_str(k, v) writer_print_string(w, k, v, 0)
1811 #define print_str_opt(k, v) writer_print_string(w, k, v, PRINT_STRING_OPT)
1812 #define print_str_validate(k, v) writer_print_string(w, k, v, PRINT_STRING_VALIDATE)
1813 #define print_time(k, v, tb) writer_print_time(w, k, v, tb, 0)
1814 #define print_ts(k, v) writer_print_ts(w, k, v, 0)
1815 #define print_duration_time(k, v, tb) writer_print_time(w, k, v, tb, 1)
1816 #define print_duration_ts(k, v) writer_print_ts(w, k, v, 1)
1817 #define print_val(k, v, u) do { \
1818  struct unit_value uv; \
1819  uv.val.i = v; \
1820  uv.unit = u; \
1821  writer_print_string(w, k, value_string(val_str, sizeof(val_str), uv), 0); \
1822 } while (0)
1823 
1824 #define print_section_header(s) writer_print_section_header(w, s)
1825 #define print_section_footer(s) writer_print_section_footer(w, s)
1826 
1827 #define REALLOCZ_ARRAY_STREAM(ptr, cur_n, new_n) \
1828 { \
1829  ret = av_reallocp_array(&(ptr), (new_n), sizeof(*(ptr))); \
1830  if (ret < 0) \
1831  goto end; \
1832  memset( (ptr) + (cur_n), 0, ((new_n) - (cur_n)) * sizeof(*(ptr)) ); \
1833 }
1834 
1835 static inline int show_tags(WriterContext *w, AVDictionary *tags, int section_id)
1836 {
1837  AVDictionaryEntry *tag = NULL;
1838  int ret = 0;
1839 
1840  if (!tags)
1841  return 0;
1842  writer_print_section_header(w, section_id);
1843 
1844  while ((tag = av_dict_get(tags, "", tag, AV_DICT_IGNORE_SUFFIX))) {
1845  if ((ret = print_str_validate(tag->key, tag->value)) < 0)
1846  break;
1847  }
1848  writer_print_section_footer(w);
1849 
1850  return ret;
1851 }
1852 
1853 static void print_pkt_side_data(WriterContext *w,
1854  AVCodecParameters *par,
1855  const AVPacketSideData *side_data,
1856  int nb_side_data,
1857  SectionID id_data_list,
1858  SectionID id_data)
1859 {
1860  int i;
1861 
1862  writer_print_section_header(w, id_data_list);
1863  for (i = 0; i < nb_side_data; i++) {
1864  const AVPacketSideData *sd = &side_data[i];
1865  const char *name = av_packet_side_data_name(sd->type);
1866 
1867  writer_print_section_header(w, id_data);
1868  print_str("side_data_type", name ? name : "unknown");
1869  if (sd->type == AV_PKT_DATA_DISPLAYMATRIX && sd->size >= 9*4) {
1870  writer_print_integers(w, "displaymatrix", sd->data, 9, " %11d", 3, 4, 1);
1871  print_int("rotation", av_display_rotation_get((int32_t *)sd->data));
1872  } else if (sd->type == AV_PKT_DATA_STEREO3D) {
1873  const AVStereo3D *stereo = (AVStereo3D *)sd->data;
1874  print_str("type", av_stereo3d_type_name(stereo->type));
1875  print_int("inverted", !!(stereo->flags & AV_STEREO3D_FLAG_INVERT));
1876  } else if (sd->type == AV_PKT_DATA_SPHERICAL) {
1877  const AVSphericalMapping *spherical = (AVSphericalMapping *)sd->data;
1878  print_str("projection", av_spherical_projection_name(spherical->projection));
1879  if (spherical->projection == AV_SPHERICAL_CUBEMAP) {
1880  print_int("padding", spherical->padding);
1881  } else if (spherical->projection == AV_SPHERICAL_EQUIRECTANGULAR_TILE) {
1882  size_t l, t, r, b;
1883  av_spherical_tile_bounds(spherical, par->width, par->height,
1884  &l, &t, &r, &b);
1885  print_int("bound_left", l);
1886  print_int("bound_top", t);
1887  print_int("bound_right", r);
1888  print_int("bound_bottom", b);
1889  }
1890 
1891  print_int("yaw", (double) spherical->yaw / (1 << 16));
1892  print_int("pitch", (double) spherical->pitch / (1 << 16));
1893  print_int("roll", (double) spherical->roll / (1 << 16));
1894  } else if (sd->type == AV_PKT_DATA_SKIP_SAMPLES && sd->size == 10) {
1895  print_int("skip_samples", AV_RL32(sd->data));
1896  print_int("discard_padding", AV_RL32(sd->data + 4));
1897  print_int("skip_reason", AV_RL8(sd->data + 8));
1898  print_int("discard_reason", AV_RL8(sd->data + 9));
1899  } else if (sd->type == AV_PKT_DATA_MASTERING_DISPLAY_METADATA) {
1900  AVMasteringDisplayMetadata *metadata = (AVMasteringDisplayMetadata *)sd->data;
1901 
1902  if (metadata->has_primaries) {
1903  print_q("red_x", metadata->display_primaries[0][0], '/');
1904  print_q("red_y", metadata->display_primaries[0][1], '/');
1905  print_q("green_x", metadata->display_primaries[1][0], '/');
1906  print_q("green_y", metadata->display_primaries[1][1], '/');
1907  print_q("blue_x", metadata->display_primaries[2][0], '/');
1908  print_q("blue_y", metadata->display_primaries[2][1], '/');
1909 
1910  print_q("white_point_x", metadata->white_point[0], '/');
1911  print_q("white_point_y", metadata->white_point[1], '/');
1912  }
1913 
1914  if (metadata->has_luminance) {
1915  print_q("min_luminance", metadata->min_luminance, '/');
1916  print_q("max_luminance", metadata->max_luminance, '/');
1917  }
1918  } else if (sd->type == AV_PKT_DATA_CONTENT_LIGHT_LEVEL) {
1919  AVContentLightMetadata *metadata = (AVContentLightMetadata *)sd->data;
1920  print_int("max_content", metadata->MaxCLL);
1921  print_int("max_average", metadata->MaxFALL);
1922  }
1923  writer_print_section_footer(w);
1924  }
1925  writer_print_section_footer(w);
1926 }
1927 
1928 static void print_color_range(WriterContext *w, enum AVColorRange color_range)
1929 {
1930  const char *val = av_color_range_name(color_range);
1931  if (!val || color_range == AVCOL_RANGE_UNSPECIFIED) {
1932  print_str_opt("color_range", "unknown");
1933  } else {
1934  print_str("color_range", val);
1935  }
1936 }
1937 
1938 static void print_color_space(WriterContext *w, enum AVColorSpace color_space)
1939 {
1940  const char *val = av_color_space_name(color_space);
1941  if (!val || color_space == AVCOL_SPC_UNSPECIFIED) {
1942  print_str_opt("color_space", "unknown");
1943  } else {
1944  print_str("color_space", val);
1945  }
1946 }
1947 
1948 static void print_primaries(WriterContext *w, enum AVColorPrimaries color_primaries)
1949 {
1950  const char *val = av_color_primaries_name(color_primaries);
1951  if (!val || color_primaries == AVCOL_PRI_UNSPECIFIED) {
1952  print_str_opt("color_primaries", "unknown");
1953  } else {
1954  print_str("color_primaries", val);
1955  }
1956 }
1957 
1958 static void print_color_trc(WriterContext *w, enum AVColorTransferCharacteristic color_trc)
1959 {
1960  const char *val = av_color_transfer_name(color_trc);
1961  if (!val || color_trc == AVCOL_TRC_UNSPECIFIED) {
1962  print_str_opt("color_transfer", "unknown");
1963  } else {
1964  print_str("color_transfer", val);
1965  }
1966 }
1967 
1968 static void print_chroma_location(WriterContext *w, enum AVChromaLocation chroma_location)
1969 {
1970  const char *val = av_chroma_location_name(chroma_location);
1971  if (!val || chroma_location == AVCHROMA_LOC_UNSPECIFIED) {
1972  print_str_opt("chroma_location", "unspecified");
1973  } else {
1974  print_str("chroma_location", val);
1975  }
1976 }
1977 
1978 
1979 static void clear_log(int need_lock)
1980 {
1981  int i;
1982 
1983  if (need_lock)
1984  pthread_mutex_lock(&log_mutex);
1985  for (i=0; i<log_buffer_size; i++) {
1986  av_freep(&log_buffer[i].context_name);
1987  av_freep(&log_buffer[i].parent_name);
1988  av_freep(&log_buffer[i].log_message);
1989  }
1990  log_buffer_size = 0;
1991  if(need_lock)
1992  pthread_mutex_unlock(&log_mutex);
1993 }
1994 
1995 static int show_log(WriterContext *w, int section_ids, int section_id, int log_level)
1996 {
1997  int i;
1998  pthread_mutex_lock(&log_mutex);
1999  if (!log_buffer_size) {
2000  pthread_mutex_unlock(&log_mutex);
2001  return 0;
2002  }
2003  writer_print_section_header(w, section_ids);
2004 
2005  for (i=0; i<log_buffer_size; i++) {
2006  if (log_buffer[i].log_level <= log_level) {
2007  writer_print_section_header(w, section_id);
2008  print_str("context", log_buffer[i].context_name);
2009  print_int("level", log_buffer[i].log_level);
2010  print_int("category", log_buffer[i].category);
2011  if (log_buffer[i].parent_name) {
2012  print_str("parent_context", log_buffer[i].parent_name);
2013  print_int("parent_category", log_buffer[i].parent_category);
2014  } else {
2015  print_str_opt("parent_context", "N/A");
2016  print_str_opt("parent_category", "N/A");
2017  }
2018  print_str("message", log_buffer[i].log_message);
2019  writer_print_section_footer(w);
2020  }
2021  }
2022  clear_log(0);
2023  pthread_mutex_unlock(&log_mutex);
2024 
2025  writer_print_section_footer(w);
2026 
2027  return 0;
2028 }
2029 
2030 static void show_packet(WriterContext *w, InputFile *ifile, AVPacket *pkt, int packet_idx)
2031 {
2032  char val_str[128];
2033  AVStream *st = ifile->streams[pkt->stream_index].st;
2034  AVBPrint pbuf;
2035  const char *s;
2036 
2037  av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
2038 
2039  writer_print_section_header(w, SECTION_ID_PACKET);
2040 
2041  s = av_get_media_type_string(st->codecpar->codec_type);
2042  if (s) print_str ("codec_type", s);
2043  else print_str_opt("codec_type", "unknown");
2044  print_int("stream_index", pkt->stream_index);
2045  print_ts ("pts", pkt->pts);
2046  print_time("pts_time", pkt->pts, &st->time_base);
2047  print_ts ("dts", pkt->dts);
2048  print_time("dts_time", pkt->dts, &st->time_base);
2049  print_duration_ts("duration", pkt->duration);
2050  print_duration_time("duration_time", pkt->duration, &st->time_base);
2051  print_duration_ts("convergence_duration", pkt->convergence_duration);
2052  print_duration_time("convergence_duration_time", pkt->convergence_duration, &st->time_base);
2053  print_val("size", pkt->size, unit_byte_str);
2054  if (pkt->pos != -1) print_fmt ("pos", "%"PRId64, pkt->pos);
2055  else print_str_opt("pos", "N/A");
2056  print_fmt("flags", "%c%c", pkt->flags & AV_PKT_FLAG_KEY ? 'K' : '_',
2057  pkt->flags & AV_PKT_FLAG_DISCARD ? 'D' : '_');
2058 
2059  if (pkt->side_data_elems) {
2060  int size;
2061  const uint8_t *side_metadata;
2062 
2063  side_metadata = av_packet_get_side_data(pkt, AV_PKT_DATA_STRINGS_METADATA, &size);
2064  if (side_metadata && size && do_show_packet_tags) {
2065  AVDictionary *dict = NULL;
2066  if (av_packet_unpack_dictionary(side_metadata, size, &dict) >= 0)
2067  show_tags(w, dict, SECTION_ID_PACKET_TAGS);
2068  av_dict_free(&dict);
2069  }
2070 
2071  print_pkt_side_data(w, st->codecpar, pkt->side_data, pkt->side_data_elems,
2072  SECTION_ID_PACKET_SIDE_DATA_LIST,
2073  SECTION_ID_PACKET_SIDE_DATA);
2074  }
2075 
2076  if (do_show_data)
2077  writer_print_data(w, "data", pkt->data, pkt->size);
2078  writer_print_data_hash(w, "data_hash", pkt->data, pkt->size);
2079  writer_print_section_footer(w);
2080 
2081  av_bprint_finalize(&pbuf, NULL);
2082  fflush(stdout);
2083 }
2084 
2085 static void show_subtitle(WriterContext *w, AVSubtitle *sub, AVStream *stream,
2086  AVFormatContext *fmt_ctx)
2087 {
2088  AVBPrint pbuf;
2089 
2090  av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
2091 
2092  writer_print_section_header(w, SECTION_ID_SUBTITLE);
2093 
2094  print_str ("media_type", "subtitle");
2095  print_ts ("pts", sub->pts);
2096  print_time("pts_time", sub->pts, &AV_TIME_BASE_Q);
2097  print_int ("format", sub->format);
2098  print_int ("start_display_time", sub->start_display_time);
2099  print_int ("end_display_time", sub->end_display_time);
2100  print_int ("num_rects", sub->num_rects);
2101 
2102  writer_print_section_footer(w);
2103 
2104  av_bprint_finalize(&pbuf, NULL);
2105  fflush(stdout);
2106 }
2107 
2108 static void show_frame(WriterContext *w, AVFrame *frame, AVStream *stream,
2109  AVFormatContext *fmt_ctx)
2110 {
2111  AVBPrint pbuf;
2112  char val_str[128];
2113  const char *s;
2114  int i;
2115 
2116  av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
2117 
2118  writer_print_section_header(w, SECTION_ID_FRAME);
2119 
2120  s = av_get_media_type_string(stream->codecpar->codec_type);
2121  if (s) print_str ("media_type", s);
2122  else print_str_opt("media_type", "unknown");
2123  print_int("stream_index", stream->index);
2124  print_int("key_frame", frame->key_frame);
2125  print_ts ("pkt_pts", frame->pts);
2126  print_time("pkt_pts_time", frame->pts, &stream->time_base);
2127  print_ts ("pkt_dts", frame->pkt_dts);
2128  print_time("pkt_dts_time", frame->pkt_dts, &stream->time_base);
2129  print_ts ("best_effort_timestamp", frame->best_effort_timestamp);
2130  print_time("best_effort_timestamp_time", frame->best_effort_timestamp, &stream->time_base);
2131  print_duration_ts ("pkt_duration", frame->pkt_duration);
2132  print_duration_time("pkt_duration_time", frame->pkt_duration, &stream->time_base);
2133  if (frame->pkt_pos != -1) print_fmt ("pkt_pos", "%"PRId64, frame->pkt_pos);
2134  else print_str_opt("pkt_pos", "N/A");
2135  if (frame->pkt_size != -1) print_val ("pkt_size", frame->pkt_size, unit_byte_str);
2136  else print_str_opt("pkt_size", "N/A");
2137 
2138  switch (stream->codecpar->codec_type) {
2139  AVRational sar;
2140 
2141  case AVMEDIA_TYPE_VIDEO:
2142  print_int("width", frame->width);
2143  print_int("height", frame->height);
2144  s = av_get_pix_fmt_name(frame->format);
2145  if (s) print_str ("pix_fmt", s);
2146  else print_str_opt("pix_fmt", "unknown");
2147  sar = av_guess_sample_aspect_ratio(fmt_ctx, stream, frame);
2148  if (sar.num) {
2149  print_q("sample_aspect_ratio", sar, ':');
2150  } else {
2151  print_str_opt("sample_aspect_ratio", "N/A");
2152  }
2153  print_fmt("pict_type", "%c", av_get_picture_type_char(frame->pict_type));
2154  print_int("coded_picture_number", frame->coded_picture_number);
2155  print_int("display_picture_number", frame->display_picture_number);
2156  print_int("interlaced_frame", frame->interlaced_frame);
2157  print_int("top_field_first", frame->top_field_first);
2158  print_int("repeat_pict", frame->repeat_pict);
2159 
2160  print_color_range(w, frame->color_range);
2161  print_color_space(w, frame->colorspace);
2162  print_primaries(w, frame->color_primaries);
2163  print_color_trc(w, frame->color_trc);
2164  print_chroma_location(w, frame->chroma_location);
2165  break;
2166 
2167  case AVMEDIA_TYPE_AUDIO:
2168  s = av_get_sample_fmt_name(frame->format);
2169  if (s) print_str ("sample_fmt", s);
2170  else print_str_opt("sample_fmt", "unknown");
2171  print_int("nb_samples", frame->nb_samples);
2172  print_int("channels", frame->channels);
2173  if (frame->channel_layout) {
2174  av_bprint_clear(&pbuf);
2175  av_bprint_channel_layout(&pbuf, frame->channels,
2176  frame->channel_layout);
2177  print_str ("channel_layout", pbuf.str);
2178  } else
2179  print_str_opt("channel_layout", "unknown");
2180  break;
2181  }
2182  if (do_show_frame_tags)
2183  show_tags(w, frame->metadata, SECTION_ID_FRAME_TAGS);
2184  if (do_show_log)
2185  show_log(w, SECTION_ID_FRAME_LOGS, SECTION_ID_FRAME_LOG, do_show_log);
2186  if (frame->nb_side_data) {
2187  writer_print_section_header(w, SECTION_ID_FRAME_SIDE_DATA_LIST);
2188  for (i = 0; i < frame->nb_side_data; i++) {
2189  AVFrameSideData *sd = frame->side_data[i];
2190  const char *name;
2191 
2192  writer_print_section_header(w, SECTION_ID_FRAME_SIDE_DATA);
2193  name = av_frame_side_data_name(sd->type);
2194  print_str("side_data_type", name ? name : "unknown");
2195  if (sd->type == AV_FRAME_DATA_DISPLAYMATRIX && sd->size >= 9*4) {
2196  writer_print_integers(w, "displaymatrix", sd->data, 9, " %11d", 3, 4, 1);
2197  print_int("rotation", av_display_rotation_get((int32_t *)sd->data));
2198  } else if (sd->type == AV_FRAME_DATA_GOP_TIMECODE && sd->size >= 8) {
2199  char tcbuf[AV_TIMECODE_STR_SIZE];
2200  av_timecode_make_mpeg_tc_string(tcbuf, *(int64_t *)(sd->data));
2201  print_str("timecode", tcbuf);
2202  } else if (sd->type == AV_FRAME_DATA_MASTERING_DISPLAY_METADATA) {
2203  AVMasteringDisplayMetadata *metadata = (AVMasteringDisplayMetadata *)sd->data;
2204 
2205  if (metadata->has_primaries) {
2206  print_q("red_x", metadata->display_primaries[0][0], '/');
2207  print_q("red_y", metadata->display_primaries[0][1], '/');
2208  print_q("green_x", metadata->display_primaries[1][0], '/');
2209  print_q("green_y", metadata->display_primaries[1][1], '/');
2210  print_q("blue_x", metadata->display_primaries[2][0], '/');
2211  print_q("blue_y", metadata->display_primaries[2][1], '/');
2212 
2213  print_q("white_point_x", metadata->white_point[0], '/');
2214  print_q("white_point_y", metadata->white_point[1], '/');
2215  }
2216 
2217  if (metadata->has_luminance) {
2218  print_q("min_luminance", metadata->min_luminance, '/');
2219  print_q("max_luminance", metadata->max_luminance, '/');
2220  }
2221  } else if (sd->type == AV_FRAME_DATA_CONTENT_LIGHT_LEVEL) {
2222  AVContentLightMetadata *metadata = (AVContentLightMetadata *)sd->data;
2223  print_int("max_content", metadata->MaxCLL);
2224  print_int("max_average", metadata->MaxFALL);
2225  } else if (sd->type == AV_FRAME_DATA_ICC_PROFILE) {
2226  AVDictionaryEntry *tag = av_dict_get(sd->metadata, "name", NULL, AV_DICT_MATCH_CASE);
2227  if (tag)
2228  print_str(tag->key, tag->value);
2229  print_int("size", sd->size);
2230  }
2231  writer_print_section_footer(w);
2232  }
2233  writer_print_section_footer(w);
2234  }
2235 
2236  writer_print_section_footer(w);
2237 
2238  av_bprint_finalize(&pbuf, NULL);
2239  fflush(stdout);
2240 }
2241 
2242 static av_always_inline int process_frame(WriterContext *w,
2243  InputFile *ifile,
2244  AVFrame *frame, AVPacket *pkt,
2245  int *packet_new)
2246 {
2247  AVFormatContext *fmt_ctx = ifile->fmt_ctx;
2248  AVCodecContext *dec_ctx = ifile->streams[pkt->stream_index].dec_ctx;
2249  AVCodecParameters *par = ifile->streams[pkt->stream_index].st->codecpar;
2250  AVSubtitle sub;
2251  int ret = 0, got_frame = 0;
2252 
2253  clear_log(1);
2254  if (dec_ctx && dec_ctx->codec) {
2255  switch (par->codec_type) {
2256  case AVMEDIA_TYPE_VIDEO:
2257  case AVMEDIA_TYPE_AUDIO:
2258  if (*packet_new) {
2259  ret = avcodec_send_packet(dec_ctx, pkt);
2260  if (ret == AVERROR(EAGAIN)) {
2261  ret = 0;
2262  } else if (ret >= 0 || ret == AVERROR_EOF) {
2263  ret = 0;
2264  *packet_new = 0;
2265  }
2266  }
2267  if (ret >= 0) {
2268  ret = avcodec_receive_frame(dec_ctx, frame);
2269  if (ret >= 0) {
2270  got_frame = 1;
2271  } else if (ret == AVERROR(EAGAIN) || ret == AVERROR_EOF) {
2272  ret = 0;
2273  }
2274  }
2275  break;
2276 
2277  case AVMEDIA_TYPE_SUBTITLE:
2278  ret = avcodec_decode_subtitle2(dec_ctx, &sub, &got_frame, pkt);
2279  *packet_new = 0;
2280  break;
2281  default:
2282  *packet_new = 0;
2283  }
2284  } else {
2285  *packet_new = 0;
2286  }
2287 
2288  if (ret < 0)
2289  return ret;
2290  if (got_frame) {
2291  int is_sub = (par->codec_type == AVMEDIA_TYPE_SUBTITLE);
2292  nb_streams_frames[pkt->stream_index]++;
2293  if (do_show_frames)
2294  if (is_sub)
2295  show_subtitle(w, &sub, ifile->streams[pkt->stream_index].st, fmt_ctx);
2296  else
2297  show_frame(w, frame, ifile->streams[pkt->stream_index].st, fmt_ctx);
2298  if (is_sub)
2299  avsubtitle_free(&sub);
2300  }
2301  return got_frame || *packet_new;
2302 }
2303 
2304 static void log_read_interval(const ReadInterval *interval, void *log_ctx, int log_level)
2305 {
2306  av_log(log_ctx, log_level, "id:%d", interval->id);
2307 
2308  if (interval->has_start) {
2309  av_log(log_ctx, log_level, " start:%s%s", interval->start_is_offset ? "+" : "",
2310  av_ts2timestr(interval->start, &AV_TIME_BASE_Q));
2311  } else {
2312  av_log(log_ctx, log_level, " start:N/A");
2313  }
2314 
2315  if (interval->has_end) {
2316  av_log(log_ctx, log_level, " end:%s", interval->end_is_offset ? "+" : "");
2317  if (interval->duration_frames)
2318  av_log(log_ctx, log_level, "#%"PRId64, interval->end);
2319  else
2320  av_log(log_ctx, log_level, "%s", av_ts2timestr(interval->end, &AV_TIME_BASE_Q));
2321  } else {
2322  av_log(log_ctx, log_level, " end:N/A");
2323  }
2324 
2325  av_log(log_ctx, log_level, "\n");
2326 }
2327 
2328 static int read_interval_packets(WriterContext *w, InputFile *ifile,
2329  const ReadInterval *interval, int64_t *cur_ts)
2330 {
2331  AVFormatContext *fmt_ctx = ifile->fmt_ctx;
2332  AVPacket pkt;
2333  AVFrame *frame = NULL;
2334  int ret = 0, i = 0, frame_count = 0;
2335  int64_t start = -INT64_MAX, end = interval->end;
2336  int has_start = 0, has_end = interval->has_end && !interval->end_is_offset;
2337 
2338  av_init_packet(&pkt);
2339 
2340  av_log(NULL, AV_LOG_VERBOSE, "Processing read interval ");
2341  log_read_interval(interval, NULL, AV_LOG_VERBOSE);
2342 
2343  if (interval->has_start) {
2344  int64_t target;
2345  if (interval->start_is_offset) {
2346  if (*cur_ts == AV_NOPTS_VALUE) {
2347  av_log(NULL, AV_LOG_ERROR,
2348  "Could not seek to relative position since current "
2349  "timestamp is not defined\n");
2350  ret = AVERROR(EINVAL);
2351  goto end;
2352  }
2353  target = *cur_ts + interval->start;
2354  } else {
2355  target = interval->start;
2356  }
2357 
2358  av_log(NULL, AV_LOG_VERBOSE, "Seeking to read interval start point %s\n",
2359  av_ts2timestr(target, &AV_TIME_BASE_Q));
2360  if ((ret = avformat_seek_file(fmt_ctx, -1, -INT64_MAX, target, INT64_MAX, 0)) < 0) {
2361  av_log(NULL, AV_LOG_ERROR, "Could not seek to position %"PRId64": %s\n",
2362  interval->start, av_err2str(ret));
2363  goto end;
2364  }
2365  }
2366 
2367  frame = av_frame_alloc();
2368  if (!frame) {
2369  ret = AVERROR(ENOMEM);
2370  goto end;
2371  }
2372  while (!av_read_frame(fmt_ctx, &pkt)) {
2373  if (ifile->nb_streams > nb_streams) {
2374  REALLOCZ_ARRAY_STREAM(nb_streams_frames, nb_streams, fmt_ctx->nb_streams);
2375  REALLOCZ_ARRAY_STREAM(nb_streams_packets, nb_streams, fmt_ctx->nb_streams);
2376  REALLOCZ_ARRAY_STREAM(selected_streams, nb_streams, fmt_ctx->nb_streams);
2377  nb_streams = ifile->nb_streams;
2378  }
2379  if (selected_streams[pkt.stream_index]) {
2380  AVRational tb = ifile->streams[pkt.stream_index].st->time_base;
2381 
2382  if (pkt.pts != AV_NOPTS_VALUE)
2383  *cur_ts = av_rescale_q(pkt.pts, tb, AV_TIME_BASE_Q);
2384 
2385  if (!has_start && *cur_ts != AV_NOPTS_VALUE) {
2386  start = *cur_ts;
2387  has_start = 1;
2388  }
2389 
2390  if (has_start && !has_end && interval->end_is_offset) {
2391  end = start + interval->end;
2392  has_end = 1;
2393  }
2394 
2395  if (interval->end_is_offset && interval->duration_frames) {
2396  if (frame_count >= interval->end)
2397  break;
2398  } else if (has_end && *cur_ts != AV_NOPTS_VALUE && *cur_ts >= end) {
2399  break;
2400  }
2401 
2402  frame_count++;
2403  if (do_read_packets) {
2404  if (do_show_packets)
2405  show_packet(w, ifile, &pkt, i++);
2406  nb_streams_packets[pkt.stream_index]++;
2407  }
2408  if (do_read_frames) {
2409  int packet_new = 1;
2410  while (process_frame(w, ifile, frame, &pkt, &packet_new) > 0);
2411  }
2412  }
2413  av_packet_unref(&pkt);
2414  }
2415  av_init_packet(&pkt);
2416  pkt.data = NULL;
2417  pkt.size = 0;
2418  //Flush remaining frames that are cached in the decoder
2419  for (i = 0; i < fmt_ctx->nb_streams; i++) {
2420  pkt.stream_index = i;
2421  if (do_read_frames)
2422  while (process_frame(w, ifile, frame, &pkt, &(int){1}) > 0);
2423  }
2424 
2425 end:
2426  av_frame_free(&frame);
2427  if (ret < 0) {
2428  av_log(NULL, AV_LOG_ERROR, "Could not read packets in interval ");
2429  log_read_interval(interval, NULL, AV_LOG_ERROR);
2430  }
2431  return ret;
2432 }
2433 
2434 static int read_packets(WriterContext *w, InputFile *ifile)
2435 {
2436  AVFormatContext *fmt_ctx = ifile->fmt_ctx;
2437  int i, ret = 0;
2438  int64_t cur_ts = fmt_ctx->start_time;
2439 
2440  if (read_intervals_nb == 0) {
2441  ReadInterval interval = (ReadInterval) { .has_start = 0, .has_end = 0 };
2442  ret = read_interval_packets(w, ifile, &interval, &cur_ts);
2443  } else {
2444  for (i = 0; i < read_intervals_nb; i++) {
2445  ret = read_interval_packets(w, ifile, &read_intervals[i], &cur_ts);
2446  if (ret < 0)
2447  break;
2448  }
2449  }
2450 
2451  return ret;
2452 }
2453 
2454 static int show_stream(WriterContext *w, AVFormatContext *fmt_ctx, int stream_idx, InputStream *ist, int in_program)
2455 {
2456  AVStream *stream = ist->st;
2457  AVCodecParameters *par;
2458  AVCodecContext *dec_ctx;
2459  char val_str[128];
2460  const char *s;
2461  AVRational sar, dar;
2462  AVBPrint pbuf;
2463  const AVCodecDescriptor *cd;
2464  int ret = 0;
2465  const char *profile = NULL;
2466 
2467  av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
2468 
2469  writer_print_section_header(w, in_program ? SECTION_ID_PROGRAM_STREAM : SECTION_ID_STREAM);
2470 
2471  print_int("index", stream->index);
2472 
2473  par = stream->codecpar;
2474  dec_ctx = ist->dec_ctx;
2475  if (cd = avcodec_descriptor_get(par->codec_id)) {
2476  print_str("codec_name", cd->name);
2477  if (!do_bitexact) {
2478  print_str("codec_long_name",
2479  cd->long_name ? cd->long_name : "unknown");
2480  }
2481  } else {
2482  print_str_opt("codec_name", "unknown");
2483  if (!do_bitexact) {
2484  print_str_opt("codec_long_name", "unknown");
2485  }
2486  }
2487 
2488  if (!do_bitexact && (profile = avcodec_profile_name(par->codec_id, par->profile)))
2489  print_str("profile", profile);
2490  else {
2491  if (par->profile != FF_PROFILE_UNKNOWN) {
2492  char profile_num[12];
2493  snprintf(profile_num, sizeof(profile_num), "%d", par->profile);
2494  print_str("profile", profile_num);
2495  } else
2496  print_str_opt("profile", "unknown");
2497  }
2498 
2499  s = av_get_media_type_string(par->codec_type);
2500  if (s) print_str ("codec_type", s);
2501  else print_str_opt("codec_type", "unknown");
2502 #if FF_API_LAVF_AVCTX
2503  if (dec_ctx)
2504  print_q("codec_time_base", dec_ctx->time_base, '/');
2505 #endif
2506 
2507  /* print AVI/FourCC tag */
2508  print_str("codec_tag_string", av_fourcc2str(par->codec_tag));
2509  print_fmt("codec_tag", "0x%04"PRIx32, par->codec_tag);
2510 
2511  switch (par->codec_type) {
2512  case AVMEDIA_TYPE_VIDEO:
2513  print_int("width", par->width);
2514  print_int("height", par->height);
2515  if (dec_ctx) {
2516  print_int("coded_width", dec_ctx->coded_width);
2517  print_int("coded_height", dec_ctx->coded_height);
2518  }
2519  print_int("has_b_frames", par->video_delay);
2520  sar = av_guess_sample_aspect_ratio(fmt_ctx, stream, NULL);
2521  if (sar.den) {
2522  print_q("sample_aspect_ratio", sar, ':');
2523  av_reduce(&dar.num, &dar.den,
2524  par->width * sar.num,
2525  par->height * sar.den,
2526  1024*1024);
2527  print_q("display_aspect_ratio", dar, ':');
2528  } else {
2529  print_str_opt("sample_aspect_ratio", "N/A");
2530  print_str_opt("display_aspect_ratio", "N/A");
2531  }
2532  s = av_get_pix_fmt_name(par->format);
2533  if (s) print_str ("pix_fmt", s);
2534  else print_str_opt("pix_fmt", "unknown");
2535  print_int("level", par->level);
2536 
2537  print_color_range(w, par->color_range);
2538  print_color_space(w, par->color_space);
2539  print_color_trc(w, par->color_trc);
2540  print_primaries(w, par->color_primaries);
2541  print_chroma_location(w, par->chroma_location);
2542 
2543  if (par->field_order == AV_FIELD_PROGRESSIVE)
2544  print_str("field_order", "progressive");
2545  else if (par->field_order == AV_FIELD_TT)
2546  print_str("field_order", "tt");
2547  else if (par->field_order == AV_FIELD_BB)
2548  print_str("field_order", "bb");
2549  else if (par->field_order == AV_FIELD_TB)
2550  print_str("field_order", "tb");
2551  else if (par->field_order == AV_FIELD_BT)
2552  print_str("field_order", "bt");
2553  else
2554  print_str_opt("field_order", "unknown");
2555 
2556 #if FF_API_PRIVATE_OPT
2557  if (dec_ctx && dec_ctx->timecode_frame_start >= 0) {
2558  char tcbuf[AV_TIMECODE_STR_SIZE];
2559  av_timecode_make_mpeg_tc_string(tcbuf, dec_ctx->timecode_frame_start);
2560  print_str("timecode", tcbuf);
2561  } else {
2562  print_str_opt("timecode", "N/A");
2563  }
2564 #endif
2565  if (dec_ctx)
2566  print_int("refs", dec_ctx->refs);
2567  break;
2568 
2569  case AVMEDIA_TYPE_AUDIO:
2570  s = av_get_sample_fmt_name(par->format);
2571  if (s) print_str ("sample_fmt", s);
2572  else print_str_opt("sample_fmt", "unknown");
2573  print_val("sample_rate", par->sample_rate, unit_hertz_str);
2574  print_int("channels", par->channels);
2575 
2576  if (par->channel_layout) {
2577  av_bprint_clear(&pbuf);
2578  av_bprint_channel_layout(&pbuf, par->channels, par->channel_layout);
2579  print_str ("channel_layout", pbuf.str);
2580  } else {
2581  print_str_opt("channel_layout", "unknown");
2582  }
2583 
2584  print_int("bits_per_sample", av_get_bits_per_sample(par->codec_id));
2585  break;
2586 
2587  case AVMEDIA_TYPE_SUBTITLE:
2588  if (par->width)
2589  print_int("width", par->width);
2590  else
2591  print_str_opt("width", "N/A");
2592  if (par->height)
2593  print_int("height", par->height);
2594  else
2595  print_str_opt("height", "N/A");
2596  break;
2597  }
2598 
2599  if (dec_ctx && dec_ctx->codec && dec_ctx->codec->priv_class && show_private_data) {
2600  const AVOption *opt = NULL;
2601  while (opt = av_opt_next(dec_ctx->priv_data,opt)) {
2602  uint8_t *str;
2603  if (opt->flags) continue;
2604  if (av_opt_get(dec_ctx->priv_data, opt->name, 0, &str) >= 0) {
2605  print_str(opt->name, str);
2606  av_free(str);
2607  }
2608  }
2609  }
2610 
2611  if (fmt_ctx->iformat->flags & AVFMT_SHOW_IDS) print_fmt ("id", "0x%x", stream->id);
2612  else print_str_opt("id", "N/A");
2613  print_q("r_frame_rate", stream->r_frame_rate, '/');
2614  print_q("avg_frame_rate", stream->avg_frame_rate, '/');
2615  print_q("time_base", stream->time_base, '/');
2616  print_ts ("start_pts", stream->start_time);
2617  print_time("start_time", stream->start_time, &stream->time_base);
2618  print_ts ("duration_ts", stream->duration);
2619  print_time("duration", stream->duration, &stream->time_base);
2620  if (par->bit_rate > 0) print_val ("bit_rate", par->bit_rate, unit_bit_per_second_str);
2621  else print_str_opt("bit_rate", "N/A");
2622 #if FF_API_LAVF_AVCTX
2623  if (stream->codec->rc_max_rate > 0) print_val ("max_bit_rate", stream->codec->rc_max_rate, unit_bit_per_second_str);
2624  else print_str_opt("max_bit_rate", "N/A");
2625 #endif
2626  if (dec_ctx && dec_ctx->bits_per_raw_sample > 0) print_fmt("bits_per_raw_sample", "%d", dec_ctx->bits_per_raw_sample);
2627  else print_str_opt("bits_per_raw_sample", "N/A");
2628  if (stream->nb_frames) print_fmt ("nb_frames", "%"PRId64, stream->nb_frames);
2629  else print_str_opt("nb_frames", "N/A");
2630  if (nb_streams_frames[stream_idx]) print_fmt ("nb_read_frames", "%"PRIu64, nb_streams_frames[stream_idx]);
2631  else print_str_opt("nb_read_frames", "N/A");
2632  if (nb_streams_packets[stream_idx]) print_fmt ("nb_read_packets", "%"PRIu64, nb_streams_packets[stream_idx]);
2633  else print_str_opt("nb_read_packets", "N/A");
2634  if (do_show_data)
2635  writer_print_data(w, "extradata", par->extradata,
2636  par->extradata_size);
2637  writer_print_data_hash(w, "extradata_hash", par->extradata,
2638  par->extradata_size);
2639 
2640  /* Print disposition information */
2641 #define PRINT_DISPOSITION(flagname, name) do { \
2642  print_int(name, !!(stream->disposition & AV_DISPOSITION_##flagname)); \
2643  } while (0)
2644 
2645  if (do_show_stream_disposition) {
2646  writer_print_section_header(w, in_program ? SECTION_ID_PROGRAM_STREAM_DISPOSITION : SECTION_ID_STREAM_DISPOSITION);
2647  PRINT_DISPOSITION(DEFAULT, "default");
2648  PRINT_DISPOSITION(DUB, "dub");
2649  PRINT_DISPOSITION(ORIGINAL, "original");
2650  PRINT_DISPOSITION(COMMENT, "comment");
2651  PRINT_DISPOSITION(LYRICS, "lyrics");
2652  PRINT_DISPOSITION(KARAOKE, "karaoke");
2653  PRINT_DISPOSITION(FORCED, "forced");
2654  PRINT_DISPOSITION(HEARING_IMPAIRED, "hearing_impaired");
2655  PRINT_DISPOSITION(VISUAL_IMPAIRED, "visual_impaired");
2656  PRINT_DISPOSITION(CLEAN_EFFECTS, "clean_effects");
2657  PRINT_DISPOSITION(ATTACHED_PIC, "attached_pic");
2658  PRINT_DISPOSITION(TIMED_THUMBNAILS, "timed_thumbnails");
2659  writer_print_section_footer(w);
2660  }
2661 
2662  if (do_show_stream_tags)
2663  ret = show_tags(w, stream->metadata, in_program ? SECTION_ID_PROGRAM_STREAM_TAGS : SECTION_ID_STREAM_TAGS);
2664 
2665  if (stream->nb_side_data) {
2666  print_pkt_side_data(w, stream->codecpar, stream->side_data, stream->nb_side_data,
2667  SECTION_ID_STREAM_SIDE_DATA_LIST,
2668  SECTION_ID_STREAM_SIDE_DATA);
2669  }
2670 
2671  writer_print_section_footer(w);
2672  av_bprint_finalize(&pbuf, NULL);
2673  fflush(stdout);
2674 
2675  return ret;
2676 }
2677 
2678 static int show_streams(WriterContext *w, InputFile *ifile)
2679 {
2680  AVFormatContext *fmt_ctx = ifile->fmt_ctx;
2681  int i, ret = 0;
2682 
2683  writer_print_section_header(w, SECTION_ID_STREAMS);
2684  for (i = 0; i < ifile->nb_streams; i++)
2685  if (selected_streams[i]) {
2686  ret = show_stream(w, fmt_ctx, i, &ifile->streams[i], 0);
2687  if (ret < 0)
2688  break;
2689  }
2690  writer_print_section_footer(w);
2691 
2692  return ret;
2693 }
2694 
2695 static int show_program(WriterContext *w, InputFile *ifile, AVProgram *program)
2696 {
2697  AVFormatContext *fmt_ctx = ifile->fmt_ctx;
2698  int i, ret = 0;
2699 
2700  writer_print_section_header(w, SECTION_ID_PROGRAM);
2701  print_int("program_id", program->id);
2702  print_int("program_num", program->program_num);
2703  print_int("nb_streams", program->nb_stream_indexes);
2704  print_int("pmt_pid", program->pmt_pid);
2705  print_int("pcr_pid", program->pcr_pid);
2706  print_ts("start_pts", program->start_time);
2707  print_time("start_time", program->start_time, &AV_TIME_BASE_Q);
2708  print_ts("end_pts", program->end_time);
2709  print_time("end_time", program->end_time, &AV_TIME_BASE_Q);
2710  if (do_show_program_tags)
2711  ret = show_tags(w, program->metadata, SECTION_ID_PROGRAM_TAGS);
2712  if (ret < 0)
2713  goto end;
2714 
2715  writer_print_section_header(w, SECTION_ID_PROGRAM_STREAMS);
2716  for (i = 0; i < program->nb_stream_indexes; i++) {
2717  if (selected_streams[program->stream_index[i]]) {
2718  ret = show_stream(w, fmt_ctx, program->stream_index[i], &ifile->streams[program->stream_index[i]], 1);
2719  if (ret < 0)
2720  break;
2721  }
2722  }
2723  writer_print_section_footer(w);
2724 
2725 end:
2726  writer_print_section_footer(w);
2727  return ret;
2728 }
2729 
2730 static int show_programs(WriterContext *w, InputFile *ifile)
2731 {
2732  AVFormatContext *fmt_ctx = ifile->fmt_ctx;
2733  int i, ret = 0;
2734 
2735  writer_print_section_header(w, SECTION_ID_PROGRAMS);
2736  for (i = 0; i < fmt_ctx->nb_programs; i++) {
2737  AVProgram *program = fmt_ctx->programs[i];
2738  if (!program)
2739  continue;
2740  ret = show_program(w, ifile, program);
2741  if (ret < 0)
2742  break;
2743  }
2744  writer_print_section_footer(w);
2745  return ret;
2746 }
2747 
2748 static int show_chapters(WriterContext *w, InputFile *ifile)
2749 {
2750  AVFormatContext *fmt_ctx = ifile->fmt_ctx;
2751  int i, ret = 0;
2752 
2753  writer_print_section_header(w, SECTION_ID_CHAPTERS);
2754  for (i = 0; i < fmt_ctx->nb_chapters; i++) {
2755  AVChapter *chapter = fmt_ctx->chapters[i];
2756 
2757  writer_print_section_header(w, SECTION_ID_CHAPTER);
2758  print_int("id", chapter->id);
2759  print_q ("time_base", chapter->time_base, '/');
2760  print_int("start", chapter->start);
2761  print_time("start_time", chapter->start, &chapter->time_base);
2762  print_int("end", chapter->end);
2763  print_time("end_time", chapter->end, &chapter->time_base);
2764  if (do_show_chapter_tags)
2765  ret = show_tags(w, chapter->metadata, SECTION_ID_CHAPTER_TAGS);
2766  writer_print_section_footer(w);
2767  }
2768  writer_print_section_footer(w);
2769 
2770  return ret;
2771 }
2772 
2773 static int show_format(WriterContext *w, InputFile *ifile)
2774 {
2775  AVFormatContext *fmt_ctx = ifile->fmt_ctx;
2776  char val_str[128];
2777  int64_t size = fmt_ctx->pb ? avio_size(fmt_ctx->pb) : -1;
2778  int ret = 0;
2779 
2780  writer_print_section_header(w, SECTION_ID_FORMAT);
2781  print_str_validate("filename", fmt_ctx->filename);
2782  print_int("nb_streams", fmt_ctx->nb_streams);
2783  print_int("nb_programs", fmt_ctx->nb_programs);
2784  print_str("format_name", fmt_ctx->iformat->name);
2785  if (!do_bitexact) {
2786  if (fmt_ctx->iformat->long_name) print_str ("format_long_name", fmt_ctx->iformat->long_name);
2787  else print_str_opt("format_long_name", "unknown");
2788  }
2789  print_time("start_time", fmt_ctx->start_time, &AV_TIME_BASE_Q);
2790  print_time("duration", fmt_ctx->duration, &AV_TIME_BASE_Q);
2791  if (size >= 0) print_val ("size", size, unit_byte_str);
2792  else print_str_opt("size", "N/A");
2793  if (fmt_ctx->bit_rate > 0) print_val ("bit_rate", fmt_ctx->bit_rate, unit_bit_per_second_str);
2794  else print_str_opt("bit_rate", "N/A");
2795  print_int("probe_score", av_format_get_probe_score(fmt_ctx));
2796  if (do_show_format_tags)
2797  ret = show_tags(w, fmt_ctx->metadata, SECTION_ID_FORMAT_TAGS);
2798 
2799  writer_print_section_footer(w);
2800  fflush(stdout);
2801  return ret;
2802 }
2803 
2804 static void show_error(WriterContext *w, int err)
2805 {
2806  char errbuf[128];
2807  const char *errbuf_ptr = errbuf;
2808 
2809  if (av_strerror(err, errbuf, sizeof(errbuf)) < 0)
2810  errbuf_ptr = strerror(AVUNERROR(err));
2811 
2812  writer_print_section_header(w, SECTION_ID_ERROR);
2813  print_int("code", err);
2814  print_str("string", errbuf_ptr);
2815  writer_print_section_footer(w);
2816 }
2817 
2818 static int open_input_file(InputFile *ifile, const char *filename)
2819 {
2820  int err, i;
2821  AVFormatContext *fmt_ctx = NULL;
2822  AVDictionaryEntry *t;
2823  int scan_all_pmts_set = 0;
2824 
2825  fmt_ctx = avformat_alloc_context();
2826  if (!fmt_ctx) {
2827  print_error(filename, AVERROR(ENOMEM));
2828  exit_program(1);
2829  }
2830 
2831  fmt_ctx->flags |= AVFMT_FLAG_KEEP_SIDE_DATA;
2832 
2833  if (!av_dict_get(format_opts, "scan_all_pmts", NULL, AV_DICT_MATCH_CASE)) {
2834  av_dict_set(&format_opts, "scan_all_pmts", "1", AV_DICT_DONT_OVERWRITE);
2835  scan_all_pmts_set = 1;
2836  }
2837  if ((err = avformat_open_input(&fmt_ctx, filename,
2838  iformat, &format_opts)) < 0) {
2839  print_error(filename, err);
2840  return err;
2841  }
2842  ifile->fmt_ctx = fmt_ctx;
2843  if (scan_all_pmts_set)
2844  av_dict_set(&format_opts, "scan_all_pmts", NULL, AV_DICT_MATCH_CASE);
2845  if ((t = av_dict_get(format_opts, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
2846  av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
2847  return AVERROR_OPTION_NOT_FOUND;
2848  }
2849 
2850  if (find_stream_info) {
2851  AVDictionary **opts = setup_find_stream_info_opts(fmt_ctx, codec_opts);
2852  int orig_nb_streams = fmt_ctx->nb_streams;
2853 
2854  err = avformat_find_stream_info(fmt_ctx, opts);
2855 
2856  for (i = 0; i < orig_nb_streams; i++)
2857  av_dict_free(&opts[i]);
2858  av_freep(&opts);
2859 
2860  if (err < 0) {
2861  print_error(filename, err);
2862  return err;
2863  }
2864  }
2865 
2866  av_dump_format(fmt_ctx, 0, filename, 0);
2867 
2868  ifile->streams = av_mallocz_array(fmt_ctx->nb_streams,
2869  sizeof(*ifile->streams));
2870  if (!ifile->streams)
2871  exit(1);
2872  ifile->nb_streams = fmt_ctx->nb_streams;
2873 
2874  /* bind a decoder to each input stream */
2875  for (i = 0; i < fmt_ctx->nb_streams; i++) {
2876  InputStream *ist = &ifile->streams[i];
2877  AVStream *stream = fmt_ctx->streams[i];
2878  AVCodec *codec;
2879 
2880  ist->st = stream;
2881 
2882  if (stream->codecpar->codec_id == AV_CODEC_ID_PROBE) {
2883  av_log(NULL, AV_LOG_WARNING,
2884  "Failed to probe codec for input stream %d\n",
2885  stream->index);
2886  continue;
2887  }
2888 
2889  codec = avcodec_find_decoder(stream->codecpar->codec_id);
2890  if (!codec) {
2891  av_log(NULL, AV_LOG_WARNING,
2892  "Unsupported codec with id %d for input stream %d\n",
2893  stream->codecpar->codec_id, stream->index);
2894  continue;
2895  }
2896  {
2897  AVDictionary *opts = filter_codec_opts(codec_opts, stream->codecpar->codec_id,
2898  fmt_ctx, stream, codec);
2899 
2900  ist->dec_ctx = avcodec_alloc_context3(codec);
2901  if (!ist->dec_ctx)
2902  exit(1);
2903 
2904  err = avcodec_parameters_to_context(ist->dec_ctx, stream->codecpar);
2905  if (err < 0)
2906  exit(1);
2907 
2908  if (do_show_log) {
2909  // For loging it is needed to disable at least frame threads as otherwise
2910  // the log information would need to be reordered and matches up to contexts and frames
2911  // That is in fact possible but not trivial
2912  av_dict_set(&codec_opts, "threads", "1", 0);
2913  }
2914 
2915  av_codec_set_pkt_timebase(ist->dec_ctx, stream->time_base);
2916  ist->dec_ctx->framerate = stream->avg_frame_rate;
2917 
2918  if (avcodec_open2(ist->dec_ctx, codec, &opts) < 0) {
2919  av_log(NULL, AV_LOG_WARNING, "Could not open codec for input stream %d\n",
2920  stream->index);
2921  exit(1);
2922  }
2923 
2924  if ((t = av_dict_get(opts, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
2925  av_log(NULL, AV_LOG_ERROR, "Option %s for input stream %d not found\n",
2926  t->key, stream->index);
2927  return AVERROR_OPTION_NOT_FOUND;
2928  }
2929  }
2930  }
2931 
2932  ifile->fmt_ctx = fmt_ctx;
2933  return 0;
2934 }
2935 
2936 static void close_input_file(InputFile *ifile)
2937 {
2938  int i;
2939 
2940  /* close decoder for each stream */
2941  for (i = 0; i < ifile->nb_streams; i++)
2942  if (ifile->streams[i].st->codecpar->codec_id != AV_CODEC_ID_NONE)
2943  avcodec_free_context(&ifile->streams[i].dec_ctx);
2944 
2945  av_freep(&ifile->streams);
2946  ifile->nb_streams = 0;
2947 
2948  avformat_close_input(&ifile->fmt_ctx);
2949 }
2950 
2951 static int probe_file(WriterContext *wctx, const char *filename)
2952 {
2953  InputFile ifile = { 0 };
2954  int ret, i;
2955  int section_id;
2956 
2957  do_read_frames = do_show_frames || do_count_frames;
2958  do_read_packets = do_show_packets || do_count_packets;
2959 
2960  ret = open_input_file(&ifile, filename);
2961  if (ret < 0)
2962  goto end;
2963 
2964 #define CHECK_END if (ret < 0) goto end
2965 
2966  nb_streams = ifile.fmt_ctx->nb_streams;
2967  REALLOCZ_ARRAY_STREAM(nb_streams_frames,0,ifile.fmt_ctx->nb_streams);
2968  REALLOCZ_ARRAY_STREAM(nb_streams_packets,0,ifile.fmt_ctx->nb_streams);
2969  REALLOCZ_ARRAY_STREAM(selected_streams,0,ifile.fmt_ctx->nb_streams);
2970 
2971  for (i = 0; i < ifile.fmt_ctx->nb_streams; i++) {
2972  if (stream_specifier) {
2973  ret = avformat_match_stream_specifier(ifile.fmt_ctx,
2974  ifile.fmt_ctx->streams[i],
2975  stream_specifier);
2976  CHECK_END;
2977  else
2978  selected_streams[i] = ret;
2979  ret = 0;
2980  } else {
2981  selected_streams[i] = 1;
2982  }
2983  if (!selected_streams[i])
2984  ifile.fmt_ctx->streams[i]->discard = AVDISCARD_ALL;
2985  }
2986 
2987  if (do_read_frames || do_read_packets) {
2988  if (do_show_frames && do_show_packets &&
2989  wctx->writer->flags & WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER)
2990  section_id = SECTION_ID_PACKETS_AND_FRAMES;
2991  else if (do_show_packets && !do_show_frames)
2992  section_id = SECTION_ID_PACKETS;
2993  else // (!do_show_packets && do_show_frames)
2994  section_id = SECTION_ID_FRAMES;
2995  if (do_show_frames || do_show_packets)
2996  writer_print_section_header(wctx, section_id);
2997  ret = read_packets(wctx, &ifile);
2998  if (do_show_frames || do_show_packets)
2999  writer_print_section_footer(wctx);
3000  CHECK_END;
3001  }
3002 
3003  if (do_show_programs) {
3004  ret = show_programs(wctx, &ifile);
3005  CHECK_END;
3006  }
3007 
3008  if (do_show_streams) {
3009  ret = show_streams(wctx, &ifile);
3010  CHECK_END;
3011  }
3012  if (do_show_chapters) {
3013  ret = show_chapters(wctx, &ifile);
3014  CHECK_END;
3015  }
3016  if (do_show_format) {
3017  ret = show_format(wctx, &ifile);
3018  CHECK_END;
3019  }
3020 
3021 end:
3022  if (ifile.fmt_ctx)
3023  close_input_file(&ifile);
3024  av_freep(&nb_streams_frames);
3025  av_freep(&nb_streams_packets);
3026  av_freep(&selected_streams);
3027 
3028  return ret;
3029 }
3030 
3031 static void show_usage(void)
3032 {
3033  av_log(NULL, AV_LOG_INFO, "Simple multimedia streams analyzer\n");
3034  av_log(NULL, AV_LOG_INFO, "usage: %s [OPTIONS] [INPUT_FILE]\n", program_name);
3035  av_log(NULL, AV_LOG_INFO, "\n");
3036 }
3037 
3038 static void ffprobe_show_program_version(WriterContext *w)
3039 {
3040  AVBPrint pbuf;
3041  av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
3042 
3043  writer_print_section_header(w, SECTION_ID_PROGRAM_VERSION);
3044  print_str("version", FFMPEG_VERSION);
3045  print_fmt("copyright", "Copyright (c) %d-%d the FFmpeg developers",
3046  program_birth_year, CONFIG_THIS_YEAR);
3047  print_str("compiler_ident", CC_IDENT);
3048  print_str("configuration", FFMPEG_CONFIGURATION);
3049  writer_print_section_footer(w);
3050 
3051  av_bprint_finalize(&pbuf, NULL);
3052 }
3053 
3054 #define SHOW_LIB_VERSION(libname, LIBNAME) \
3055  do { \
3056  if (CONFIG_##LIBNAME) { \
3057  unsigned int version = libname##_version(); \
3058  writer_print_section_header(w, SECTION_ID_LIBRARY_VERSION); \
3059  print_str("name", "lib" #libname); \
3060  print_int("major", LIB##LIBNAME##_VERSION_MAJOR); \
3061  print_int("minor", LIB##LIBNAME##_VERSION_MINOR); \
3062  print_int("micro", LIB##LIBNAME##_VERSION_MICRO); \
3063  print_int("version", version); \
3064  print_str("ident", LIB##LIBNAME##_IDENT); \
3065  writer_print_section_footer(w); \
3066  } \
3067  } while (0)
3068 
3069 static void ffprobe_show_library_versions(WriterContext *w)
3070 {
3071  writer_print_section_header(w, SECTION_ID_LIBRARY_VERSIONS);
3072  SHOW_LIB_VERSION(avutil, AVUTIL);
3073  SHOW_LIB_VERSION(avcodec, AVCODEC);
3074  SHOW_LIB_VERSION(avformat, AVFORMAT);
3075  SHOW_LIB_VERSION(avdevice, AVDEVICE);
3076  SHOW_LIB_VERSION(avfilter, AVFILTER);
3077  SHOW_LIB_VERSION(swscale, SWSCALE);
3078  SHOW_LIB_VERSION(swresample, SWRESAMPLE);
3079  SHOW_LIB_VERSION(postproc, POSTPROC);
3080  writer_print_section_footer(w);
3081 }
3082 
3083 #define PRINT_PIX_FMT_FLAG(flagname, name) \
3084  do { \
3085  print_int(name, !!(pixdesc->flags & AV_PIX_FMT_FLAG_##flagname)); \
3086  } while (0)
3087 
3088 static void ffprobe_show_pixel_formats(WriterContext *w)
3089 {
3090  const AVPixFmtDescriptor *pixdesc = NULL;
3091  int i, n;
3092 
3093  writer_print_section_header(w, SECTION_ID_PIXEL_FORMATS);
3094  while (pixdesc = av_pix_fmt_desc_next(pixdesc)) {
3095  writer_print_section_header(w, SECTION_ID_PIXEL_FORMAT);
3096  print_str("name", pixdesc->name);
3097  print_int("nb_components", pixdesc->nb_components);
3098  if ((pixdesc->nb_components >= 3) && !(pixdesc->flags & AV_PIX_FMT_FLAG_RGB)) {
3099  print_int ("log2_chroma_w", pixdesc->log2_chroma_w);
3100  print_int ("log2_chroma_h", pixdesc->log2_chroma_h);
3101  } else {
3102  print_str_opt("log2_chroma_w", "N/A");
3103  print_str_opt("log2_chroma_h", "N/A");
3104  }
3105  n = av_get_bits_per_pixel(pixdesc);
3106  if (n) print_int ("bits_per_pixel", n);
3107  else print_str_opt("bits_per_pixel", "N/A");
3108  if (do_show_pixel_format_flags) {
3109  writer_print_section_header(w, SECTION_ID_PIXEL_FORMAT_FLAGS);
3110  PRINT_PIX_FMT_FLAG(BE, "big_endian");
3111  PRINT_PIX_FMT_FLAG(PAL, "palette");
3112  PRINT_PIX_FMT_FLAG(BITSTREAM, "bitstream");
3113  PRINT_PIX_FMT_FLAG(HWACCEL, "hwaccel");
3114  PRINT_PIX_FMT_FLAG(PLANAR, "planar");
3115  PRINT_PIX_FMT_FLAG(RGB, "rgb");
3116  PRINT_PIX_FMT_FLAG(PSEUDOPAL, "pseudopal");
3117  PRINT_PIX_FMT_FLAG(ALPHA, "alpha");
3118  writer_print_section_footer(w);
3119  }
3120  if (do_show_pixel_format_components && (pixdesc->nb_components > 0)) {
3121  writer_print_section_header(w, SECTION_ID_PIXEL_FORMAT_COMPONENTS);
3122  for (i = 0; i < pixdesc->nb_components; i++) {
3123  writer_print_section_header(w, SECTION_ID_PIXEL_FORMAT_COMPONENT);
3124  print_int("index", i + 1);
3125  print_int("bit_depth", pixdesc->comp[i].depth);
3126  writer_print_section_footer(w);
3127  }
3128  writer_print_section_footer(w);
3129  }
3130  writer_print_section_footer(w);
3131  }
3132  writer_print_section_footer(w);
3133 }
3134 
3135 static int opt_format(void *optctx, const char *opt, const char *arg)
3136 {
3137  iformat = av_find_input_format(arg);
3138  if (!iformat) {
3139  av_log(NULL, AV_LOG_ERROR, "Unknown input format: %s\n", arg);
3140  return AVERROR(EINVAL);
3141  }
3142  return 0;
3143 }
3144 
3145 static inline void mark_section_show_entries(SectionID section_id,
3146  int show_all_entries, AVDictionary *entries)
3147 {
3148  struct section *section = &sections[section_id];
3149 
3150  section->show_all_entries = show_all_entries;
3151  if (show_all_entries) {
3152  SectionID *id;
3153  for (id = section->children_ids; *id != -1; id++)
3154  mark_section_show_entries(*id, show_all_entries, entries);
3155  } else {
3156  av_dict_copy(&section->entries_to_show, entries, 0);
3157  }
3158 }
3159 
3160 static int match_section(const char *section_name,
3161  int show_all_entries, AVDictionary *entries)
3162 {
3163  int i, ret = 0;
3164 
3165  for (i = 0; i < FF_ARRAY_ELEMS(sections); i++) {
3166  const struct section *section = &sections[i];
3167  if (!strcmp(section_name, section->name) ||
3168  (section->unique_name && !strcmp(section_name, section->unique_name))) {
3169  av_log(NULL, AV_LOG_DEBUG,
3170  "'%s' matches section with unique name '%s'\n", section_name,
3171  (char *)av_x_if_null(section->unique_name, section->name));
3172  ret++;
3173  mark_section_show_entries(section->id, show_all_entries, entries);
3174  }
3175  }
3176  return ret;
3177 }
3178 
3179 static int opt_show_entries(void *optctx, const char *opt, const char *arg)
3180 {
3181  const char *p = arg;
3182  int ret = 0;
3183 
3184  while (*p) {
3185  AVDictionary *entries = NULL;
3186  char *section_name = av_get_token(&p, "=:");
3187  int show_all_entries = 0;
3188 
3189  if (!section_name) {
3190  av_log(NULL, AV_LOG_ERROR,
3191  "Missing section name for option '%s'\n", opt);
3192  return AVERROR(EINVAL);
3193  }
3194 
3195  if (*p == '=') {
3196  p++;
3197  while (*p && *p != ':') {
3198  char *entry = av_get_token(&p, ",:");
3199  if (!entry)
3200  break;
3201  av_log(NULL, AV_LOG_VERBOSE,
3202  "Adding '%s' to the entries to show in section '%s'\n",
3203  entry, section_name);
3204  av_dict_set(&entries, entry, "", AV_DICT_DONT_STRDUP_KEY);
3205  if (*p == ',')
3206  p++;
3207  }
3208  } else {
3209  show_all_entries = 1;
3210  }
3211 
3212  ret = match_section(section_name, show_all_entries, entries);
3213  if (ret == 0) {
3214  av_log(NULL, AV_LOG_ERROR, "No match for section '%s'\n", section_name);
3215  ret = AVERROR(EINVAL);
3216  }
3217  av_dict_free(&entries);
3218  av_free(section_name);
3219 
3220  if (ret <= 0)
3221  break;
3222  if (*p)
3223  p++;
3224  }
3225 
3226  return ret;
3227 }
3228 
3229 static int opt_show_format_entry(void *optctx, const char *opt, const char *arg)
3230 {
3231  char *buf = av_asprintf("format=%s", arg);
3232  int ret;
3233 
3234  if (!buf)
3235  return AVERROR(ENOMEM);
3236 
3237  av_log(NULL, AV_LOG_WARNING,
3238  "Option '%s' is deprecated, use '-show_entries format=%s' instead\n",
3239  opt, arg);
3240  ret = opt_show_entries(optctx, opt, buf);
3241  av_free(buf);
3242  return ret;
3243 }
3244 
3245 static void opt_input_file(void *optctx, const char *arg)
3246 {
3247  if (input_filename) {
3248  av_log(NULL, AV_LOG_ERROR,
3249  "Argument '%s' provided as input filename, but '%s' was already specified.\n",
3250  arg, input_filename);
3251  exit_program(1);
3252  }
3253  if (!strcmp(arg, "-"))
3254  arg = "pipe:";
3255  input_filename = arg;
3256 }
3257 
3258 static int opt_input_file_i(void *optctx, const char *opt, const char *arg)
3259 {
3260  opt_input_file(optctx, arg);
3261  return 0;
3262 }
3263 
3264 void show_help_default(const char *opt, const char *arg)
3265 {
3266  av_log_set_callback(log_callback_help);
3267  show_usage();
3268  show_help_options(options, "Main options:", 0, 0, 0);
3269  printf("\n");
3270 
3271  show_help_children(avformat_get_class(), AV_OPT_FLAG_DECODING_PARAM);
3272  show_help_children(avcodec_get_class(), AV_OPT_FLAG_DECODING_PARAM);
3273 }
3274 
3275 /**
3276  * Parse interval specification, according to the format:
3277  * INTERVAL ::= [START|+START_OFFSET][%[END|+END_OFFSET]]
3278  * INTERVALS ::= INTERVAL[,INTERVALS]
3279 */
3280 static int parse_read_interval(const char *interval_spec,
3281  ReadInterval *interval)
3282 {
3283  int ret = 0;
3284  char *next, *p, *spec = av_strdup(interval_spec);
3285  if (!spec)
3286  return AVERROR(ENOMEM);
3287 
3288  if (!*spec) {
3289  av_log(NULL, AV_LOG_ERROR, "Invalid empty interval specification\n");
3290  ret = AVERROR(EINVAL);
3291  goto end;
3292  }
3293 
3294  p = spec;
3295  next = strchr(spec, '%');
3296  if (next)
3297  *next++ = 0;
3298 
3299  /* parse first part */
3300  if (*p) {
3301  interval->has_start = 1;
3302 
3303  if (*p == '+') {
3304  interval->start_is_offset = 1;
3305  p++;
3306  } else {
3307  interval->start_is_offset = 0;
3308  }
3309 
3310  ret = av_parse_time(&interval->start, p, 1);
3311  if (ret < 0) {
3312  av_log(NULL, AV_LOG_ERROR, "Invalid interval start specification '%s'\n", p);
3313  goto end;
3314  }
3315  } else {
3316  interval->has_start = 0;
3317  }
3318 
3319  /* parse second part */
3320  p = next;
3321  if (p && *p) {
3322  int64_t us;
3323  interval->has_end = 1;
3324 
3325  if (*p == '+') {
3326  interval->end_is_offset = 1;
3327  p++;
3328  } else {
3329  interval->end_is_offset = 0;
3330  }
3331 
3332  if (interval->end_is_offset && *p == '#') {
3333  long long int lli;
3334  char *tail;
3335  interval->duration_frames = 1;
3336  p++;
3337  lli = strtoll(p, &tail, 10);
3338  if (*tail || lli < 0) {
3339  av_log(NULL, AV_LOG_ERROR,
3340  "Invalid or negative value '%s' for duration number of frames\n", p);
3341  goto end;
3342  }
3343  interval->end = lli;
3344  } else {
3345  interval->duration_frames = 0;
3346  ret = av_parse_time(&us, p, 1);
3347  if (ret < 0) {
3348  av_log(NULL, AV_LOG_ERROR, "Invalid interval end/duration specification '%s'\n", p);
3349  goto end;
3350  }
3351  interval->end = us;
3352  }
3353  } else {
3354  interval->has_end = 0;
3355  }
3356 
3357 end:
3358  av_free(spec);
3359  return ret;
3360 }
3361 
3362 static int parse_read_intervals(const char *intervals_spec)
3363 {
3364  int ret, n, i;
3365  char *p, *spec = av_strdup(intervals_spec);
3366  if (!spec)
3367  return AVERROR(ENOMEM);
3368 
3369  /* preparse specification, get number of intervals */
3370  for (n = 0, p = spec; *p; p++)
3371  if (*p == ',')
3372  n++;
3373  n++;
3374 
3375  read_intervals = av_malloc_array(n, sizeof(*read_intervals));
3376  if (!read_intervals) {
3377  ret = AVERROR(ENOMEM);
3378  goto end;
3379  }
3380  read_intervals_nb = n;
3381 
3382  /* parse intervals */
3383  p = spec;
3384  for (i = 0; p; i++) {
3385  char *next;
3386 
3387  av_assert0(i < read_intervals_nb);
3388  next = strchr(p, ',');
3389  if (next)
3390  *next++ = 0;
3391 
3392  read_intervals[i].id = i;
3393  ret = parse_read_interval(p, &read_intervals[i]);
3394  if (ret < 0) {
3395  av_log(NULL, AV_LOG_ERROR, "Error parsing read interval #%d '%s'\n",
3396  i, p);
3397  goto end;
3398  }
3399  av_log(NULL, AV_LOG_VERBOSE, "Parsed log interval ");
3400  log_read_interval(&read_intervals[i], NULL, AV_LOG_VERBOSE);
3401  p = next;
3402  }
3403  av_assert0(i == read_intervals_nb);
3404 
3405 end:
3406  av_free(spec);
3407  return ret;
3408 }
3409 
3410 static int opt_read_intervals(void *optctx, const char *opt, const char *arg)
3411 {
3412  return parse_read_intervals(arg);
3413 }
3414 
3415 static int opt_pretty(void *optctx, const char *opt, const char *arg)
3416 {
3417  show_value_unit = 1;
3418  use_value_prefix = 1;
3419  use_byte_value_binary_prefix = 1;
3420  use_value_sexagesimal_format = 1;
3421  return 0;
3422 }
3423 
3424 static void print_section(SectionID id, int level)
3425 {
3426  const SectionID *pid;
3427  const struct section *section = &sections[id];
3428  printf("%c%c%c",
3429  section->flags & SECTION_FLAG_IS_WRAPPER ? 'W' : '.',
3430  section->flags & SECTION_FLAG_IS_ARRAY ? 'A' : '.',
3431  section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS ? 'V' : '.');
3432  printf("%*c %s", level * 4, ' ', section->name);
3433  if (section->unique_name)
3434  printf("/%s", section->unique_name);
3435  printf("\n");
3436 
3437  for (pid = section->children_ids; *pid != -1; pid++)
3438  print_section(*pid, level+1);
3439 }
3440 
3441 static int opt_sections(void *optctx, const char *opt, const char *arg)
3442 {
3443  printf("Sections:\n"
3444  "W.. = Section is a wrapper (contains other sections, no local entries)\n"
3445  ".A. = Section contains an array of elements of the same type\n"
3446  "..V = Section may contain a variable number of fields with variable keys\n"
3447  "FLAGS NAME/UNIQUE_NAME\n"
3448  "---\n");
3449  print_section(SECTION_ID_ROOT, 0);
3450  return 0;
3451 }
3452 
3453 static int opt_show_versions(const char *opt, const char *arg)
3454 {
3455  mark_section_show_entries(SECTION_ID_PROGRAM_VERSION, 1, NULL);
3456  mark_section_show_entries(SECTION_ID_LIBRARY_VERSION, 1, NULL);
3457  return 0;
3458 }
3459 
3460 #define DEFINE_OPT_SHOW_SECTION(section, target_section_id) \
3461  static int opt_show_##section(const char *opt, const char *arg) \
3462  { \
3463  mark_section_show_entries(SECTION_ID_##target_section_id, 1, NULL); \
3464  return 0; \
3465  }
3466 
3467 DEFINE_OPT_SHOW_SECTION(chapters, CHAPTERS)
3468 DEFINE_OPT_SHOW_SECTION(error, ERROR)
3469 DEFINE_OPT_SHOW_SECTION(format, FORMAT)
3470 DEFINE_OPT_SHOW_SECTION(frames, FRAMES)
3471 DEFINE_OPT_SHOW_SECTION(library_versions, LIBRARY_VERSIONS)
3472 DEFINE_OPT_SHOW_SECTION(packets, PACKETS)
3473 DEFINE_OPT_SHOW_SECTION(pixel_formats, PIXEL_FORMATS)
3474 DEFINE_OPT_SHOW_SECTION(program_version, PROGRAM_VERSION)
3475 DEFINE_OPT_SHOW_SECTION(streams, STREAMS)
3476 DEFINE_OPT_SHOW_SECTION(programs, PROGRAMS)
3477 
3478 static const OptionDef real_options[] = {
3479  CMDUTILS_COMMON_OPTIONS
3480  { "f", HAS_ARG, {.func_arg = opt_format}, "force format", "format" },
3481  { "unit", OPT_BOOL, {&show_value_unit}, "show unit of the displayed values" },
3482  { "prefix", OPT_BOOL, {&use_value_prefix}, "use SI prefixes for the displayed values" },
3483  { "byte_binary_prefix", OPT_BOOL, {&use_byte_value_binary_prefix},
3484  "use binary prefixes for byte units" },
3485  { "sexagesimal", OPT_BOOL, {&use_value_sexagesimal_format},
3486  "use sexagesimal format HOURS:MM:SS.MICROSECONDS for time units" },
3487  { "pretty", 0, {.func_arg = opt_pretty},
3488  "prettify the format of displayed values, make it more human readable" },
3489  { "print_format", OPT_STRING | HAS_ARG, {(void*)&print_format},
3490  "set the output printing format (available formats are: default, compact, csv, flat, ini, json, xml)", "format" },
3491  { "of", OPT_STRING | HAS_ARG, {(void*)&print_format}, "alias for -print_format", "format" },
3492  { "select_streams", OPT_STRING | HAS_ARG, {(void*)&stream_specifier}, "select the specified streams", "stream_specifier" },
3493  { "sections", OPT_EXIT, {.func_arg = opt_sections}, "print sections structure and section information, and exit" },
3494  { "show_data", OPT_BOOL, {(void*)&do_show_data}, "show packets data" },
3495  { "show_data_hash", OPT_STRING | HAS_ARG, {(void*)&show_data_hash}, "show packets data hash" },
3496  { "show_error", 0, {(void*)&opt_show_error}, "show probing error" },
3497  { "show_format", 0, {(void*)&opt_show_format}, "show format/container info" },
3498  { "show_frames", 0, {(void*)&opt_show_frames}, "show frames info" },
3499  { "show_format_entry", HAS_ARG, {.func_arg = opt_show_format_entry},
3500  "show a particular entry from the format/container info", "entry" },
3501  { "show_entries", HAS_ARG, {.func_arg = opt_show_entries},
3502  "show a set of specified entries", "entry_list" },
3503 #if HAVE_THREADS
3504  { "show_log", OPT_INT|HAS_ARG, {(void*)&do_show_log}, "show log" },
3505 #endif
3506  { "show_packets", 0, {(void*)&opt_show_packets}, "show packets info" },
3507  { "show_programs", 0, {(void*)&opt_show_programs}, "show programs info" },
3508  { "show_streams", 0, {(void*)&opt_show_streams}, "show streams info" },
3509  { "show_chapters", 0, {(void*)&opt_show_chapters}, "show chapters info" },
3510  { "count_frames", OPT_BOOL, {(void*)&do_count_frames}, "count the number of frames per stream" },
3511  { "count_packets", OPT_BOOL, {(void*)&do_count_packets}, "count the number of packets per stream" },
3512  { "show_program_version", 0, {(void*)&opt_show_program_version}, "show ffprobe version" },
3513  { "show_library_versions", 0, {(void*)&opt_show_library_versions}, "show library versions" },
3514  { "show_versions", 0, {(void*)&opt_show_versions}, "show program and library versions" },
3515  { "show_pixel_formats", 0, {(void*)&opt_show_pixel_formats}, "show pixel format descriptions" },
3516  { "show_private_data", OPT_BOOL, {(void*)&show_private_data}, "show private data" },
3517  { "private", OPT_BOOL, {(void*)&show_private_data}, "same as show_private_data" },
3518  { "bitexact", OPT_BOOL, {&do_bitexact}, "force bitexact output" },
3519  { "read_intervals", HAS_ARG, {.func_arg = opt_read_intervals}, "set read intervals", "read_intervals" },
3520  { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {.func_arg = opt_default}, "generic catch all option", "" },
3521  { "i", HAS_ARG, {.func_arg = opt_input_file_i}, "read specified file", "input_file"},
3522  { "find_stream_info", OPT_BOOL | OPT_INPUT | OPT_EXPERT, { &find_stream_info },
3523  "read and decode the streams to fill missing information with heuristics" },
3524  { NULL, },
3525 };
3526 
3527 static inline int check_section_show_entries(int section_id)
3528 {
3529  int *id;
3530  struct section *section = &sections[section_id];
3531  if (sections[section_id].show_all_entries || sections[section_id].entries_to_show)
3532  return 1;
3533  for (id = section->children_ids; *id != -1; id++)
3534  if (check_section_show_entries(*id))
3535  return 1;
3536  return 0;
3537 }
3538 
3539 #define SET_DO_SHOW(id, varname) do { \
3540  if (check_section_show_entries(SECTION_ID_##id)) \
3541  do_show_##varname = 1; \
3542  } while (0)
3543 
3544 int main(int argc, char **argv)
3545 {
3546  const Writer *w;
3547  WriterContext *wctx;
3548  char *buf;
3549  char *w_name = NULL, *w_args = NULL;
3550  int ret, i;
3551 
3552  init_dynload();
3553 
3554 #if HAVE_THREADS
3555  ret = pthread_mutex_init(&log_mutex, NULL);
3556  if (ret != 0) {
3557  goto end;
3558  }
3559 #endif
3560  av_log_set_flags(AV_LOG_SKIP_REPEATED);
3561  register_exit(ffprobe_cleanup);
3562 
3563  options = real_options;
3564  parse_loglevel(argc, argv, options);
3565  av_register_all();
3566  avformat_network_init();
3567  init_opts();
3568 #if CONFIG_AVDEVICE
3569  avdevice_register_all();
3570 #endif
3571 
3572  show_banner(argc, argv, options);
3573  parse_options(NULL, argc, argv, options, opt_input_file);
3574 
3575  if (do_show_log)
3576  av_log_set_callback(log_callback);
3577 
3578  /* mark things to show, based on -show_entries */
3579  SET_DO_SHOW(CHAPTERS, chapters);
3580  SET_DO_SHOW(ERROR, error);
3581  SET_DO_SHOW(FORMAT, format);
3582  SET_DO_SHOW(FRAMES, frames);
3583  SET_DO_SHOW(LIBRARY_VERSIONS, library_versions);
3584  SET_DO_SHOW(PACKETS, packets);
3585  SET_DO_SHOW(PIXEL_FORMATS, pixel_formats);
3586  SET_DO_SHOW(PIXEL_FORMAT_FLAGS, pixel_format_flags);
3587  SET_DO_SHOW(PIXEL_FORMAT_COMPONENTS, pixel_format_components);
3588  SET_DO_SHOW(PROGRAM_VERSION, program_version);
3589  SET_DO_SHOW(PROGRAMS, programs);
3590  SET_DO_SHOW(STREAMS, streams);
3591  SET_DO_SHOW(STREAM_DISPOSITION, stream_disposition);
3592  SET_DO_SHOW(PROGRAM_STREAM_DISPOSITION, stream_disposition);
3593 
3594  SET_DO_SHOW(CHAPTER_TAGS, chapter_tags);
3595  SET_DO_SHOW(FORMAT_TAGS, format_tags);
3596  SET_DO_SHOW(FRAME_TAGS, frame_tags);
3597  SET_DO_SHOW(PROGRAM_TAGS, program_tags);
3598  SET_DO_SHOW(STREAM_TAGS, stream_tags);
3599  SET_DO_SHOW(PROGRAM_STREAM_TAGS, stream_tags);
3600  SET_DO_SHOW(PACKET_TAGS, packet_tags);
3601 
3602  if (do_bitexact && (do_show_program_version || do_show_library_versions)) {
3603  av_log(NULL, AV_LOG_ERROR,
3604  "-bitexact and -show_program_version or -show_library_versions "
3605  "options are incompatible\n");
3606  ret = AVERROR(EINVAL);
3607  goto end;
3608  }
3609 
3610  writer_register_all();
3611 
3612  if (!print_format)
3613  print_format = av_strdup("default");
3614  if (!print_format) {
3615  ret = AVERROR(ENOMEM);
3616  goto end;
3617  }
3618  w_name = av_strtok(print_format, "=", &buf);
3619  if (!w_name) {
3620  av_log(NULL, AV_LOG_ERROR,
3621  "No name specified for the output format\n");
3622  ret = AVERROR(EINVAL);
3623  goto end;
3624  }
3625  w_args = buf;
3626 
3627  if (show_data_hash) {
3628  if ((ret = av_hash_alloc(&hash, show_data_hash)) < 0) {
3629  if (ret == AVERROR(EINVAL)) {
3630  const char *n;
3631  av_log(NULL, AV_LOG_ERROR,
3632  "Unknown hash algorithm '%s'\nKnown algorithms:",
3633  show_data_hash);
3634  for (i = 0; (n = av_hash_names(i)); i++)
3635  av_log(NULL, AV_LOG_ERROR, " %s", n);
3636  av_log(NULL, AV_LOG_ERROR, "\n");
3637  }
3638  goto end;
3639  }
3640  }
3641 
3642  w = writer_get_by_name(w_name);
3643  if (!w) {
3644  av_log(NULL, AV_LOG_ERROR, "Unknown output format with name '%s'\n", w_name);
3645  ret = AVERROR(EINVAL);
3646  goto end;
3647  }
3648 
3649  if ((ret = writer_open(&wctx, w, w_args,
3650  sections, FF_ARRAY_ELEMS(sections))) >= 0) {
3651  if (w == &xml_writer)
3652  wctx->string_validation_utf8_flags |= AV_UTF8_FLAG_EXCLUDE_XML_INVALID_CONTROL_CODES;
3653 
3654  writer_print_section_header(wctx, SECTION_ID_ROOT);
3655 
3656  if (do_show_program_version)
3657  ffprobe_show_program_version(wctx);
3658  if (do_show_library_versions)
3659  ffprobe_show_library_versions(wctx);
3660  if (do_show_pixel_formats)
3661  ffprobe_show_pixel_formats(wctx);
3662 
3663  if (!input_filename &&
3664  ((do_show_format || do_show_programs || do_show_streams || do_show_chapters || do_show_packets || do_show_error) ||
3665  (!do_show_program_version && !do_show_library_versions && !do_show_pixel_formats))) {
3666  show_usage();
3667  av_log(NULL, AV_LOG_ERROR, "You have to specify one input file.\n");
3668  av_log(NULL, AV_LOG_ERROR, "Use -h to get full help or, even better, run 'man %s'.\n", program_name);
3669  ret = AVERROR(EINVAL);
3670  } else if (input_filename) {
3671  ret = probe_file(wctx, input_filename);
3672  if (ret < 0 && do_show_error)
3673  show_error(wctx, ret);
3674  }
3675 
3676  writer_print_section_footer(wctx);
3677  writer_close(&wctx);
3678  }
3679 
3680 end:
3681  av_freep(&print_format);
3682  av_freep(&read_intervals);
3683  av_hash_freep(&hash);
3684 
3685  uninit_opts();
3686  for (i = 0; i < FF_ARRAY_ELEMS(sections); i++)
3687  av_dict_free(&(sections[i].entries_to_show));
3688 
3689  avformat_network_deinit();
3690 
3691  return ret < 0;
3692 }
AVFormatContext::nb_chapters
unsigned int nb_chapters
Number of chapters in AVChapter array.
Definition: avformat.h:1556
category
category
Definition: openal-dec.c:248
AVSphericalMapping::pitch
int32_t pitch
Rotation around the right vector [-90, 90].
Definition: spherical.h:127
init_dynload
void init_dynload(void)
Initialize dynamic library loading.
Definition: cmdutils.c:119
AV_STEREO3D_FLAG_INVERT
#define AV_STEREO3D_FLAG_INVERT
Inverted views, Right/Bottom represents the left view.
Definition: stereo3d.h:148
Writer::init
int(* init)(WriterContext *wctx)
Definition: ffprobe.c:433
AV_CODEC_ID_PROBE
codec_id is not known (like AV_CODEC_ID_NONE) but lavf should attempt to identify it ...
Definition: avcodec.h:688
LogBuffer::parent_category
AVClassCategory parent_category
Definition: ffprobe.c:290
AVCodecParameters::chroma_location
enum AVChromaLocation chroma_location
Definition: avcodec.h:4242
WriterContext::section
const struct section * section[SECTION_MAX_NB_LEVELS]
section per each level
Definition: ffprobe.c:461
NULL
#define NULL
Definition: coverity.c:32
AVCodecContext::codec
const struct AVCodec * codec
Definition: avcodec.h:1770
AVCodecContext::framerate
AVRational framerate
Definition: avcodec.h:3460
val
const char const char void * val
Definition: avisynth_c.h:771
value_string
static char * value_string(char *buf, int buf_size, struct unit_value uv)
Definition: ffprobe.c:361
do_show_program_tags
static int do_show_program_tags
Definition: ffprobe.c:108
AVCodecParameters::field_order
enum AVFieldOrder field_order
Video only.
Definition: avcodec.h:4233
s
const char * s
Definition: avisynth_c.h:768
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:458
AVCodecParameters::color_trc
enum AVColorTransferCharacteristic color_trc
Definition: avcodec.h:4240
AVERROR_INVALIDDATA
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
Definition: error.h:59
dec_val
double dec_val
Definition: ffprobe.c:259
show_tags
static int show_tags(WriterContext *w, AVDictionary *tags, int section_id)
Definition: ffprobe.c:1835
OPT_EXPERT
#define OPT_EXPERT
Definition: cmdutils.h:168
AV_CODEC_ID_NONE
Definition: avcodec.h:215
avio_size
int64_t avio_size(AVIOContext *s)
Get the filesize.
Definition: aviobuf.c:334
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:366
av_bprintf
void av_bprintf(AVBPrint *buf, const char *fmt,...)
Definition: bprint.c:94
DefaultContext::nested_section
int nested_section[SECTION_MAX_NB_LEVELS]
Definition: ffprobe.c:921
pthread_mutex_destroy
static av_always_inline int pthread_mutex_destroy(pthread_mutex_t *mutex)
Definition: os2threads.h:106
bin_val
double bin_val
Definition: ffprobe.c:258
AVFrame
This structure describes decoded (raw) audio or video data.
Definition: frame.h:201
pthread_mutex_lock
#define pthread_mutex_lock(a)
Definition: ffprobe.c:61
json_print_int
static void json_print_int(WriterContext *wctx, const char *key, long long int value)
Definition: ffprobe.c:1586
default_print_section_header
static void default_print_section_header(WriterContext *wctx)
Definition: ffprobe.c:947
AVContentLightMetadata::MaxCLL
unsigned MaxCLL
Max content light level (cd/m^2).
Definition: mastering_display_metadata.h:102
writer_register
static int writer_register(const Writer *writer)
Definition: ffprobe.c:879
AVOption
AVOption.
Definition: opt.h:246
data
ptrdiff_t const GLvoid * data
Definition: opengl_enc.c:101
print_ts
#define print_ts(k, v)
Definition: ffprobe.c:1814
opt_input_file_i
static int opt_input_file_i(void *optctx, const char *opt, const char *arg)
Definition: ffprobe.c:3258
opt_format
static int opt_format(void *optctx, const char *opt, const char *arg)
Definition: ffprobe.c:3135
XMLContext::within_tag
int within_tag
Definition: ffprobe.c:1617
SHOW_LIB_VERSION
#define SHOW_LIB_VERSION(libname, LIBNAME)
Definition: ffprobe.c:3054
OPT_VIDEO
#define OPT_VIDEO
Definition: cmdutils.h:170
AVCodecContext::coded_width
int coded_width
Bitstream width / height, may be different from width/height e.g.
Definition: avcodec.h:1963
AVFrame::pkt_pos
int64_t pkt_pos
reordered pos from the last AVPacket that has been input into the decoder
Definition: frame.h:473
writer_print_rational
static void writer_print_rational(WriterContext *wctx, const char *key, AVRational q, char sep)
Definition: ffprobe.c:771
Writer::print_string
void(* print_string)(WriterContext *wctx, const char *, const char *)
Definition: ffprobe.c:440
fmt
const char * fmt
Definition: avisynth_c.h:769
opt_show_format_entry
static int opt_show_format_entry(void *optctx, const char *opt, const char *arg)
Definition: ffprobe.c:3229
unit_hertz_str
static const char unit_hertz_str[]
Definition: ffprobe.c:272
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:1227
LIBAVUTIL_VERSION_INT
#define LIBAVUTIL_VERSION_INT
Definition: version.h:86
PLANAR
#define PLANAR
Definition: flacdsp.c:43
AVPacket::pos
int64_t pos
byte position in stream, -1 if unknown
Definition: avcodec.h:1699
xml_escape_str
static const char * xml_escape_str(AVBPrint *dst, const char *src, void *log_ctx)
Definition: ffprobe.c:1664
AV_DICT_DONT_OVERWRITE
#define AV_DICT_DONT_OVERWRITE
Don't overwrite existing entries.
Definition: dict.h:79
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:587
json_print_section_footer
static void json_print_section_footer(WriterContext *wctx)
Definition: ffprobe.c:1541
writer_close
static void writer_close(WriterContext **wctx)
Definition: ffprobe.c:511
init
static av_cold int init(AVCodecContext *avctx)
Definition: avrndec.c:35
AV_OPT_TYPE_INT
Definition: opt.h:223
AVFrameSideData::metadata
AVDictionary * metadata
Definition: frame.h:167
do_show_data
static int do_show_data
Definition: ffprobe.c:97
read_intervals_nb
static int read_intervals_nb
Definition: ffprobe.c:131
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:2371
writer_print_integer
static void writer_print_integer(WriterContext *wctx, const char *key, long long int val)
Definition: ffprobe.c:666
do_show_stream_tags
static int do_show_stream_tags
Definition: ffprobe.c:109
ini_escape_str
static char * ini_escape_str(AVBPrint *dst, const char *src)
Definition: ffprobe.c:1365
print_chroma_location
static void print_chroma_location(WriterContext *w, enum AVChromaLocation chroma_location)
Definition: ffprobe.c:1968
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:4913
AV_PKT_DATA_STEREO3D
This side data should be associated with a video stream and contains Stereoscopic 3D information in f...
Definition: avcodec.h:1479
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:1291
OPT_AUDIO
#define OPT_AUDIO
Definition: cmdutils.h:171
fmt_ctx
static AVFormatContext * fmt_ctx
Definition: demuxing_decoding.c:37
show_streams
static int show_streams(WriterContext *w, InputFile *ifile)
Definition: ffprobe.c:2678
print_format
static char * print_format
Definition: ffprobe.c:118
AV_SPHERICAL_EQUIRECTANGULAR_TILE
Video represents a portion of a sphere mapped on a flat surface using equirectangular projection...
Definition: spherical.h:72
AVCodecParameters::codec_id
enum AVCodecID codec_id
Specific type of the encoded data (the codec used).
Definition: avcodec.h:4152
AVMasteringDisplayMetadata::white_point
AVRational white_point[2]
CIE 1931 xy chromaticity coords of white point.
Definition: mastering_display_metadata.h:47
json_writer
static const Writer json_writer
Definition: ffprobe.c:1601
AV_FRAME_DATA_CONTENT_LIGHT_LEVEL
Content light level (based on CTA-861.3).
Definition: frame.h:136
av_codec_set_pkt_timebase
void av_codec_set_pkt_timebase(AVCodecContext *avctx, AVRational val)
AVRational::num
int num
Numerator.
Definition: rational.h:59
AVFrame::repeat_pict
int repeat_pict
When decoding, this signals how much the picture must be delayed.
Definition: frame.h:343
AVStream::index
int index
stream index in AVFormatContext
Definition: avformat.h:890
AVPacket::size
int size
Definition: avcodec.h:1680
writer_options
static const AVOption writer_options[]
Definition: ffprobe.c:482
b
const char * b
Definition: vf_curves.c:113
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:849
log_callback
static void log_callback(void *ptr, int level, const char *fmt, va_list vl)
Definition: ffprobe.c:296
show_stream
static int show_stream(WriterContext *w, AVFormatContext *fmt_ctx, int stream_idx, InputStream *ist, int in_program)
Definition: ffprobe.c:2454
print_str_opt
#define print_str_opt(k, v)
Definition: ffprobe.c:1811
Writer::print_integer
void(* print_integer)(WriterContext *wctx, const char *, long long int)
Definition: ffprobe.c:438
read_packets
static int read_packets(WriterContext *w, InputFile *ifile)
Definition: ffprobe.c:2434
AVFormatContext::bit_rate
int64_t bit_rate
Total stream bitrate in bit/s, 0 if not available.
Definition: avformat.h:1451
section::show_all_entries
int show_all_entries
Definition: ffprobe.c:152
show_banner
void show_banner(int argc, char **argv, const OptionDef *options)
Print the program banner to stderr.
Definition: cmdutils.c:1150
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
LogBuffer::log_level
int log_level
Definition: ffprobe.c:286
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:217
AV_FRAME_DATA_MASTERING_DISPLAY_METADATA
Mastering display metadata associated with a video frame.
Definition: frame.h:119
writer_class
static const AVClass writer_class
Definition: ffprobe.c:503
do_show_packets
static int do_show_packets
Definition: ffprobe.c:93
AVSubtitle::num_rects
unsigned num_rects
Definition: avcodec.h:4132
do_show_format_tags
static int do_show_format_tags
Definition: ffprobe.c:106
AVS_Value
Definition: avisynth_c.h:599
writer_open
static int writer_open(WriterContext **wctx, const Writer *writer, const char *args, const struct section *sections, int nb_sections)
Definition: ffprobe.c:538
color_range
color_range
Definition: vf_selectivecolor.c:44
Writer::uninit
void(* uninit)(WriterContext *wctx)
Definition: ffprobe.c:434
bprint_bytes
static void bprint_bytes(AVBPrint *bp, const uint8_t *ubuf, size_t ubuf_size)
Definition: ffprobe.c:529
AVMasteringDisplayMetadata::has_primaries
int has_primaries
Flag indicating whether the display primaries (and white point) are set.
Definition: mastering_display_metadata.h:62
av_mallocz
void * av_mallocz(size_t size)
Allocate a memory block with alignment suitable for all memory accesses (including vectors if availab...
Definition: mem.c:222
json_print_item_str
static void json_print_item_str(WriterContext *wctx, const char *key, const char *value)
Definition: ffprobe.c:1563
CompactContext::escape_mode_str
char * escape_mode_str
Definition: ffprobe.c:1071
default_writer
static const Writer default_writer
Definition: ffprobe.c:1003
AVDISCARD_ALL
discard all
Definition: avcodec.h:830
AVStream::side_data
AVPacketSideData * side_data
An array of side data that applies to the whole stream (i.e.
Definition: avformat.h:999
show_frame
static void show_frame(WriterContext *w, AVFrame *frame, AVStream *stream, AVFormatContext *fmt_ctx)
Definition: ffprobe.c:2108
json_escape_str
static const char * json_escape_str(AVBPrint *dst, const char *src, void *log_ctx)
Definition: ffprobe.c:1481
pkt
static AVPacket pkt
Definition: demuxing_decoding.c:54
xml_print_section_footer
static void xml_print_section_footer(WriterContext *wctx)
Definition: ffprobe.c:1724
AVCodecContext::bits_per_raw_sample
int bits_per_raw_sample
Bits per sample/pixel of internal libavcodec pixel/sample format.
Definition: avcodec.h:3164
mark_section_show_entries
static void mark_section_show_entries(SectionID section_id, int show_all_entries, AVDictionary *entries)
Definition: ffprobe.c:3145
do_show_error
static int do_show_error
Definition: ffprobe.c:90
avcodec_decode_subtitle2
int avcodec_decode_subtitle2(AVCodecContext *avctx, AVSubtitle *sub, int *got_sub_ptr, AVPacket *avpkt)
Decode a subtitle message.
Definition: decode.c:1002
AVChapter::metadata
AVDictionary * metadata
Definition: avformat.h:1310
src
#define src
Definition: vp8dsp.c:254
nb_streams_frames
static uint64_t * nb_streams_frames
Definition: ffprobe.c:278
CompactContext::has_nested_elems
int has_nested_elems[SECTION_MAX_NB_LEVELS]
Definition: ffprobe.c:1074
validate_string
static int validate_string(WriterContext *wctx, char **dstp, const char *src)
Definition: ffprobe.c:677
AVCodec
AVCodec.
Definition: avcodec.h:3739
open_input_file
static int open_input_file(InputFile *ifile, const char *filename)
Definition: ffprobe.c:2818
CMDUTILS_COMMON_OPTIONS
#define CMDUTILS_COMMON_OPTIONS
Definition: cmdutils.h:231
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:2002
AVCodecParameters
This struct describes the properties of an encoded stream.
Definition: avcodec.h:4144
AVColorTransferCharacteristic
AVColorTransferCharacteristic
Color Transfer Characteristic.
Definition: pixfmt.h:455
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:85
SECTION_MAX_NB_LEVELS
#define SECTION_MAX_NB_LEVELS
Definition: ffprobe.c:444
AVCodecParameters::color_space
enum AVColorSpace color_space
Definition: avcodec.h:4241
writer_child_next
static void * writer_child_next(void *obj, void *prev)
Definition: ffprobe.c:495
av_color_space_name
const char * av_color_space_name(enum AVColorSpace space)
Definition: pixdesc.c:2803
XMLContext::indent_level
int indent_level
Definition: ffprobe.c:1618
ReadInterval::end_is_offset
int end_is_offset
Definition: ffprobe.c:126
log2
#define log2(x)
Definition: libm.h:404
default_options
static const AVOption default_options[]
Definition: ffprobe.c:927
process_frame
static av_always_inline int process_frame(WriterContext *w, InputFile *ifile, AVFrame *frame, AVPacket *pkt, int *packet_new)
Definition: ffprobe.c:2242
AV_PKT_DATA_MASTERING_DISPLAY_METADATA
Mastering display metadata (based on SMPTE-2086:2014).
Definition: avcodec.h:1587
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:1898
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:73
AVFMT_SHOW_IDS
#define AVFMT_SHOW_IDS
Show format stream IDs numbers.
Definition: avformat.h:480
CompactContext::escape_str
const char *(* escape_str)(AVBPrint *dst, const char *src, const char sep, void *log_ctx)
Definition: ffprobe.c:1072
AVFormatContext
Format I/O context.
Definition: avformat.h:1349
OFFSET
#define OFFSET(x)
Definition: ffprobe.c:1624
AV_HASH_MAX_SIZE
#define AV_HASH_MAX_SIZE
Maximum value that av_hash_get_size() will currently return.
Definition: hash.h:155
avcodec_get_class
const AVClass * avcodec_get_class(void)
Get the AVClass for AVCodecContext.
Definition: options.c:295
AVProgram::nb_stream_indexes
unsigned int nb_stream_indexes
Definition: avformat.h:1281
section::element_name
const char * element_name
name of the contained element, if provided
Definition: ffprobe.c:149
writer_print_section_header
static void writer_print_section_header(WriterContext *wctx, int section_id)
Definition: ffprobe.c:625
compact_print_section_footer
static void compact_print_section_footer(WriterContext *wctx)
Definition: ffprobe.c:1147
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:247
AV_OPT_TYPE_CONST
Definition: opt.h:232
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:465
ini_print_section_header
static void ini_print_section_header(WriterContext *wctx)
Definition: ffprobe.c:1392
print_duration_ts
#define print_duration_ts(k, v)
Definition: ffprobe.c:1816
DEFAULT
#define DEFAULT
Definition: avdct.c:28
pthread_mutex_t
HMTX pthread_mutex_t
Definition: os2threads.h:49
register_exit
void register_exit(void(*cb)(int ret))
Register a program-specific cleanup routine.
Definition: cmdutils.c:130
AVPixFmtDescriptor::comp
AVComponentDescriptor comp[4]
Parameters that describe how pixels are packed.
Definition: pixdesc.h:117
log_callback_help
void log_callback_help(void *ptr, int level, const char *fmt, va_list vl)
Trivial log callback.
Definition: cmdutils.c:98
uint8_t
uint8_t
Definition: audio_convert.c:194
nb_streams
static int nb_streams
Definition: ffprobe.c:276
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:150
do_read_packets
static int do_read_packets
Definition: ffprobe.c:88
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:544
opt_read_intervals
static int opt_read_intervals(void *optctx, const char *opt, const char *arg)
Definition: ffprobe.c:3410
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:545
AVCodecParameters::width
int width
Video only.
Definition: avcodec.h:4218
hash.h
Generic hashing API.
do_show_pixel_format_components
static int do_show_pixel_format_components
Definition: ffprobe.c:102
selected_streams
static int * selected_streams
Definition: ffprobe.c:279
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:678
HAS_ARG
#define HAS_ARG
Definition: cmdutils.h:166
close_input_file
static void close_input_file(InputFile *ifile)
Definition: ffprobe.c:2936
timestamp.h
timestamp utils, mostly useful for debugging/logging purposes
AVStereo3D
Stereo 3D type: this structure describes how two videos are packed within a single video surface...
Definition: stereo3d.h:157
va_copy
#define va_copy(dst, src)
Definition: va_copy.h:31
AVColorSpace
AVColorSpace
YUV colorspace type.
Definition: pixfmt.h:484
flat_escape_value_str
static const char * flat_escape_value_str(AVBPrint *dst, const char *src)
Definition: ffprobe.c:1274
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:780
av_color_range_name
const char * av_color_range_name(enum AVColorRange range)
Definition: pixdesc.c:2746
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:1307
show_chapters
static int show_chapters(WriterContext *w, InputFile *ifile)
Definition: ffprobe.c:2748
AVPacket::duration
int64_t duration
Duration of this packet in AVStream->time_base units, 0 if unknown.
Definition: avcodec.h:1697
compact_init
static av_cold int compact_init(WriterContext *wctx)
Definition: ffprobe.c:1095
AV_PKT_DATA_DISPLAYMATRIX
This side data contains a 3x3 transformation matrix describing an affine transformation that needs to...
Definition: avcodec.h:1473
find_stream_info
static int find_stream_info
Definition: ffprobe.c:133
CHECK_END
#define CHECK_END
AVStream::id
int id
Format-specific stream ID.
Definition: avformat.h:896
do_show_library_versions
static int do_show_library_versions
Definition: ffprobe.c:99
compact_print_section_header
static void compact_print_section_header(WriterContext *wctx)
Definition: ffprobe.c:1117
ERROR
#define ERROR(...)
Definition: ffserver_config.c:42
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:4957
av_spherical_tile_bounds
void av_spherical_tile_bounds(const AVSphericalMapping *map, size_t width, size_t height, size_t *left, size_t *top, size_t *right, size_t *bottom)
Convert the bounding fields from an AVSphericalVideo from 0.32 fixed point to pixels.
Definition: spherical.c:36
AVFrame::pts
int64_t pts
Presentation timestamp in time_base units (time when frame should be shown to user).
Definition: frame.h:294
AVStream::nb_side_data
int nb_side_data
The number of elements in the AVStream.side_data array.
Definition: avformat.h:1003
match_section
static int match_section(const char *section_name, int show_all_entries, AVDictionary *entries)
Definition: ffprobe.c:3160
AVProgram::pmt_pid
int pmt_pid
Definition: avformat.h:1285
init_opts
void init_opts(void)
Initialize the cmdutils option system, in particular allocate the *_opts contexts.
Definition: cmdutils.c:84
AVFormatContext::streams
AVStream ** streams
A list of all streams in the file.
Definition: avformat.h:1417
avcodec_parameters_to_context
int avcodec_parameters_to_context(AVCodecContext *codec, const AVCodecParameters *par)
Fill the codec context based on the values from the supplied codec parameters.
Definition: utils.c:2354
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
avformat_alloc_context
AVFormatContext * avformat_alloc_context(void)
Allocate an AVFormatContext.
Definition: options.c:144
writer_print_data_hash
static void writer_print_data_hash(WriterContext *wctx, const char *name, uint8_t *data, int size)
Definition: ffprobe.c:834
section::name
const char * name
Definition: ffprobe.c:141
AVFrameSideData
Structure to hold side data for an AVFrame.
Definition: frame.h:163
av_stereo3d_type_name
const char * av_stereo3d_type_name(unsigned int type)
Provide a human-readable name of a given stereo3d type.
Definition: stereo3d.c:57
json_options
static const AVOption json_options[]
Definition: ffprobe.c:1463
log_read_interval
static void log_read_interval(const ReadInterval *interval, void *log_ctx, int log_level)
Definition: ffprobe.c:2304
writer_get_name
static const char * writer_get_name(void *p)
Definition: ffprobe.c:474
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:40
AV_OPT_TYPE_STRING
Definition: opt.h:227
InputFile::nb_streams
int nb_streams
Definition: ffmpeg.h:416
AVFormatContext::flags
int flags
Flags modifying the (de)muxer behaviour.
Definition: avformat.h:1460
PRINT_DISPOSITION
#define PRINT_DISPOSITION(flagname, name)
AVPacket::data
uint8_t * data
Definition: avcodec.h:1679
StringValidation
StringValidation
Definition: ffprobe.c:421
parse_options
void parse_options(void *optctx, int argc, char **argv, const OptionDef *options, void(*parse_arg_function)(void *, const char *))
Definition: cmdutils.c:382
av_q2d
static double av_q2d(AVRational a)
Convert an AVRational to a double.
Definition: rational.h:104
SECTION_MAX_NB_CHILDREN
#define SECTION_MAX_NB_CHILDREN
Definition: ffprobe.c:137
show_program
static int show_program(WriterContext *w, InputFile *ifile, AVProgram *program)
Definition: ffprobe.c:2695
flags
static int flags
Definition: log.c:57
normalize.ifile
list ifile
Definition: normalize.py:6
tag
uint32_t tag
Definition: movenc.c:1409
avformat_network_init
int avformat_network_init(void)
Do global initialization of network components.
Definition: utils.c:4848
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:429
AVERROR_EOF
#define AVERROR_EOF
End of file.
Definition: error.h:55
LogBuffer::context_name
char * context_name
Definition: ffprobe.c:285
AV_LOG_VERBOSE
#define AV_LOG_VERBOSE
Detailed information.
Definition: log.h:192
ReadInterval::has_end
int has_end
Definition: ffprobe.c:125
AVFrame::metadata
AVDictionary * metadata
metadata.
Definition: frame.h:488
AVPacketSideData::data
uint8_t * data
Definition: avcodec.h:1623
check_section_show_entries
static int check_section_show_entries(int section_id)
Definition: ffprobe.c:3527
AVFrame::interlaced_frame
int interlaced_frame
The content of the picture is interlaced.
Definition: frame.h:348
avformat_get_class
const AVClass * avformat_get_class(void)
Get the AVClass for AVFormatContext.
Definition: options.c:168
print_section
static void print_section(SectionID id, int level)
Definition: ffprobe.c:3424
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:505
AVColorRange
AVColorRange
MPEG vs JPEG YUV range.
Definition: pixfmt.h:507
swscale.h
external API header
Writer::print_section_footer
void(* print_section_footer)(WriterContext *wctx)
Definition: ffprobe.c:437
size
ptrdiff_t size
Definition: opengl_enc.c:101
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
AVMasteringDisplayMetadata::has_luminance
int has_luminance
Flag indicating whether the luminance (min_ and max_) have been set.
Definition: mastering_display_metadata.h:67
show_help_default
void show_help_default(const char *opt, const char *arg)
Per-fftool specific help handler.
Definition: ffprobe.c:3264
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:176
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:1019
writer_register_all
static void writer_register_all(void)
Definition: ffprobe.c:1785
xml_print_str
static void xml_print_str(WriterContext *wctx, const char *key, const char *value)
Definition: ffprobe.c:1743
section::children_ids
int children_ids[SECTION_MAX_NB_CHILDREN+1]
list of children section IDS, terminated by -1
Definition: ffprobe.c:148
AVColorPrimaries
AVColorPrimaries
Chromaticity coordinates of the source primaries.
Definition: pixfmt.h:431
print_pkt_side_data
static void print_pkt_side_data(WriterContext *w, AVCodecParameters *par, const AVPacketSideData *side_data, int nb_side_data, SectionID id_data_list, SectionID id_data)
Definition: ffprobe.c:1853
AVFrame::nb_side_data
int nb_side_data
Definition: frame.h:414
av_realloc_array
void * av_realloc_array(void *ptr, size_t nmemb, size_t size)
Definition: mem.c:184
input_filename
static const char * input_filename
Definition: ffprobe.c:252
AVProgram::stream_index
unsigned int * stream_index
Definition: avformat.h:1280
json_print_section_header
static void json_print_section_header(WriterContext *wctx)
Definition: ffprobe.c:1503
AVFrame::side_data
AVFrameSideData ** side_data
Definition: frame.h:413
AVCodecParameters::channel_layout
uint64_t channel_layout
Audio only.
Definition: avcodec.h:4254
av_log
#define av_log(a,...)
Definition: tableprint_vlc.h:28
CompactContext::print_section
int print_section
Definition: ffprobe.c:1070
ffprobe_show_program_version
static void ffprobe_show_program_version(WriterContext *w)
Definition: ffprobe.c:3038
do_show_chapter_tags
static int do_show_chapter_tags
Definition: ffprobe.c:105
AVPixFmtDescriptor::name
const char * name
Definition: pixdesc.h:82
AVProgram::start_time
int64_t start_time
Definition: avformat.h:1295
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:2059
AVCodecParameters::bit_rate
int64_t bit_rate
The average bitrate of the encoded data (in bits per second).
Definition: avcodec.h:4181
AV_PKT_FLAG_KEY
#define AV_PKT_FLAG_KEY
The packet contains a keyframe.
Definition: avcodec.h:1711
format_opts
AVDictionary * format_opts
Definition: cmdutils.c:72
INIContext::hierarchical
int hierarchical
Definition: ffprobe.c:1351
do_show_frames
static int do_show_frames
Definition: ffprobe.c:92
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:308
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
AV_RL8
#define AV_RL8(x)
Definition: intreadwrite.h:403
ReadInterval::id
int id
identifier
Definition: ffprobe.c:123
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:555
avdevice.h
Main libavdevice API header.
U
#define U(x)
Definition: vp56_arith.h:37
read_interval_packets
static int read_interval_packets(WriterContext *w, InputFile *ifile, const ReadInterval *interval, int64_t *cur_ts)
Definition: ffprobe.c:2328
do_show_chapters
static int do_show_chapters
Definition: ffprobe.c:89
WriterContext::string_validation_replacement
char * string_validation_replacement
Definition: ffprobe.c:470
unit_value::d
double d
Definition: ffprobe.c:357
swresample.h
libswresample public header
opt_show_versions
static int opt_show_versions(const char *opt, const char *arg)
Definition: ffprobe.c:3453
av_chroma_location_name
const char * av_chroma_location_name(enum AVChromaLocation location)
Definition: pixdesc.c:2822
AVContentLightMetadata
Content light level needed by to transmit HDR over HDMI (CTA-861.3).
Definition: mastering_display_metadata.h:98
unit_byte_str
static const char unit_byte_str[]
Definition: ffprobe.c:273
av_hash_init
void av_hash_init(AVHashContext *ctx)
Initialize or reset a hash context.
Definition: hash.c:137
program_birth_year
const int program_birth_year
program birth year, defined by the program for show_banner()
Definition: ffprobe.c:82
WriterContext::level
int level
current level, starting from 0
Definition: ffprobe.c:455
AVFrame::width
int width
Definition: frame.h:259
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:151
do_show_pixel_format_flags
static int do_show_pixel_format_flags
Definition: ffprobe.c:101
AV_DICT_MATCH_CASE
#define AV_DICT_MATCH_CASE
Only get an entry with exact-case key match.
Definition: dict.h:69
AVFormatContext::metadata
AVDictionary * metadata
Metadata that applies to the whole file.
Definition: avformat.h:1567
av_get_bits_per_sample
int av_get_bits_per_sample(enum AVCodecID codec_id)
Return codec bits per sample.
Definition: utils.c:1662
AVStereo3D::flags
int flags
Additional information about the frame packing.
Definition: stereo3d.h:166
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
AV_BPRINT_SIZE_UNLIMITED
#define AV_BPRINT_SIZE_UNLIMITED
XMLContext::xsd_strict
int xsd_strict
Definition: ffprobe.c:1620
print_int
#define print_int(k, v)
Definition: ffprobe.c:1808
av_log_format_line
void av_log_format_line(void *ptr, int level, const char *fmt, va_list vl, char *line, int line_size, int *print_prefix)
Format a line of log the same way as the default callback.
Definition: log.c:284
opt_input_file
static void opt_input_file(void *optctx, const char *arg)
Definition: ffprobe.c:3245
opt_pretty
static int opt_pretty(void *optctx, const char *opt, const char *arg)
Definition: ffprobe.c:3415
dstp
BYTE * dstp
Definition: avisynth_c.h:813
AVERROR
#define AVERROR(e)
Definition: error.h:43
SET_DO_SHOW
#define SET_DO_SHOW(id, varname)
Definition: ffprobe.c:3539
Writer::priv_size
int priv_size
private size for the writer context
Definition: ffprobe.c:430
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_packet_get_side_data
uint8_t * av_packet_get_side_data(const AVPacket *pkt, enum AVPacketSideDataType type, int *size)
Get side information from packet.
Definition: avpacket.c:350
av_frame_free
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
Definition: frame.c:163
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:1626
display.h
Display matrix.
AVCodecParameters::color_primaries
enum AVColorPrimaries color_primaries
Definition: avcodec.h:4239
av_bprint_init
void av_bprint_init(AVBPrint *buf, unsigned size_init, unsigned size_max)
Definition: bprint.c:69
AVCodecParameters::video_delay
int video_delay
Video only.
Definition: avcodec.h:4247
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:145
avcodec_receive_frame
int avcodec_receive_frame(AVCodecContext *avctx, AVFrame *frame)
Return decoded output data from a decoder.
Definition: decode.c:713
r
const char * r
Definition: vf_curves.c:111
AVFrame::color_range
enum AVColorRange color_range
MPEG vs JPEG YUV range.
Definition: frame.h:446
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:1506
unit_value
Definition: ffprobe.c:356
ReadInterval::start_is_offset
int start_is_offset
Definition: ffprobe.c:126
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:203
av_fourcc2str
#define av_fourcc2str(fourcc)
Definition: avutil.h:348
AVCodecParameters::codec_type
enum AVMediaType codec_type
General type of the encoded data.
Definition: avcodec.h:4148
arg
const char * arg
Definition: jacosubdec.c:66
CompactContext::nested_section
int nested_section[SECTION_MAX_NB_LEVELS]
Definition: ffprobe.c:1073
AVFrame::colorspace
enum AVColorSpace colorspace
YUV colorspace type.
Definition: frame.h:457
AVFormatContext::chapters
AVChapter ** chapters
Definition: avformat.h:1557
print_q
#define print_q(k, v, s)
Definition: ffprobe.c:1809
default_print_int
static void default_print_int(WriterContext *wctx, const char *key, long long int value)
Definition: ffprobe.c:994
line
Definition: graph2dot.c:48
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:359
AVMEDIA_TYPE_AUDIO
Definition: avutil.h:202
json_init
static av_cold int json_init(WriterContext *wctx)
Definition: ffprobe.c:1471
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:1625
JSON_INDENT
#define JSON_INDENT()
Definition: ffprobe.c:1501
AVClass::category
AVClassCategory category
Category used for visualization (like color) This is only set if the category is equal for all object...
Definition: log.h:130
AVPacket::side_data_elems
int side_data_elems
Definition: avcodec.h:1691
show_log
static int show_log(WriterContext *w, int section_ids, int section_id, int log_level)
Definition: ffprobe.c:1995
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:49
flat_print_str
static void flat_print_str(WriterContext *wctx, const char *key, const char *value)
Definition: ffprobe.c:1323
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
section::id
int id
unique id identifying a section
Definition: ffprobe.c:140
AVCodecDescriptor::long_name
const char * long_name
A more descriptive name for this codec.
Definition: avcodec.h:715
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:970
AVProgram
New fields can be added to the end with minor version bumps.
Definition: avformat.h:1276
AVMasteringDisplayMetadata::max_luminance
AVRational max_luminance
Max luminance of mastering display (cd/m^2).
Definition: mastering_display_metadata.h:57
av_mallocz_array
static void * av_mallocz_array(size_t nmemb, size_t size)
Definition: mem.h:229
AVCodecContext::timecode_frame_start
attribute_deprecated int64_t timecode_frame_start
Definition: avcodec.h:2874
parse_read_intervals
static int parse_read_intervals(const char *intervals_spec)
Definition: ffprobe.c:3362
fail
#define fail()
Definition: checkasm.h:109
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
av_log_default_callback
void av_log_default_callback(void *ptr, int level, const char *fmt, va_list vl)
Default logging callback.
Definition: log.c:302
flat
static av_always_inline void flat(WaveformContext *s, AVFrame *in, AVFrame *out, int component, int intensity, int offset_y, int offset_x, int column, int mirror)
Definition: vf_waveform.c:906
AVProgram::program_num
int program_num
Definition: avformat.h:1284
unit_value::unit
const char * unit
Definition: ffprobe.c:358
AVPacket::flags
int flags
A combination of AV_PKT_FLAG values.
Definition: avcodec.h:1685
av_color_primaries_name
const char * av_color_primaries_name(enum AVColorPrimaries primaries)
Definition: pixdesc.c:2765
avcodec_descriptor_get
const AVCodecDescriptor * avcodec_descriptor_get(enum AVCodecID id)
Definition: codec_desc.c:3121
WriterContext::priv
void * priv
private data for use by the filter
Definition: ffprobe.c:450
AVCodecParameters::extradata_size
int extradata_size
Size of the extradata content in bytes.
Definition: avcodec.h:4170
AVSubtitle::end_display_time
uint32_t end_display_time
Definition: avcodec.h:4131
WriterContext::name
char * name
name of this writer instance
Definition: ffprobe.c:449
AVSubtitle::pts
int64_t pts
Same as packet pts, in AV_TIME_BASE.
Definition: avcodec.h:4134
AVFrame::channel_layout
uint64_t channel_layout
Channel layout of the audio data.
Definition: frame.h:379
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:143
si_prefixes
static const struct @40 si_prefixes[]
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:1405
writer_print_data
static void writer_print_data(WriterContext *wctx, const char *name, uint8_t *data, int size)
Definition: ffprobe.c:806
show_format
static int show_format(WriterContext *w, InputFile *ifile)
Definition: ffprobe.c:2773
AVCodecContext::refs
int refs
number of reference frames
Definition: avcodec.h:2442
LogBuffer::category
AVClassCategory category
Definition: ffprobe.c:288
opts
AVDictionary * opts
Definition: movenc.c:50
read_intervals
static ReadInterval * read_intervals
Definition: ffprobe.c:130
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:164