FFmpeg
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 "libavformat/version.h"
33 #include "libavcodec/avcodec.h"
34 #include "libavcodec/version.h"
35 #include "libavutil/avassert.h"
36 #include "libavutil/avstring.h"
37 #include "libavutil/bprint.h"
38 #include "libavutil/channel_layout.h"
39 #include "libavutil/display.h"
40 #include "libavutil/hash.h"
41 #include "libavutil/hdr_dynamic_metadata.h"
42 #include "libavutil/mastering_display_metadata.h"
43 #include "libavutil/hdr_dynamic_vivid_metadata.h"
44 #include "libavutil/dovi_meta.h"
45 #include "libavutil/opt.h"
46 #include "libavutil/pixdesc.h"
47 #include "libavutil/spherical.h"
48 #include "libavutil/stereo3d.h"
49 #include "libavutil/dict.h"
50 #include "libavutil/intreadwrite.h"
51 #include "libavutil/libm.h"
52 #include "libavutil/parseutils.h"
53 #include "libavutil/timecode.h"
54 #include "libavutil/timestamp.h"
55 #include "libavdevice/avdevice.h"
56 #include "libavdevice/version.h"
57 #include "libswscale/swscale.h"
58 #include "libswscale/version.h"
59 #include "libswresample/swresample.h"
60 #include "libswresample/version.h"
61 #include "libpostproc/postprocess.h"
62 #include "libpostproc/version.h"
63 #include "libavfilter/version.h"
64 #include "cmdutils.h"
65 #include "opt_common.h"
66 
67 #include "libavutil/thread.h"
68 
69 #if !HAVE_THREADS
70 # ifdef pthread_mutex_lock
71 # undef pthread_mutex_lock
72 # endif
73 # define pthread_mutex_lock(a) do{}while(0)
74 # ifdef pthread_mutex_unlock
75 # undef pthread_mutex_unlock
76 # endif
77 # define pthread_mutex_unlock(a) do{}while(0)
78 #endif
79 
80 typedef struct InputStream {
81  AVStream *st;
82 
83  AVCodecContext *dec_ctx;
84 } InputStream;
85 
86 typedef struct InputFile {
87  AVFormatContext *fmt_ctx;
88 
89  InputStream *streams;
90  int nb_streams;
91 } InputFile;
92 
93 const char program_name[] = "ffprobe";
94 const int program_birth_year = 2007;
95 
96 static int do_bitexact = 0;
97 static int do_count_frames = 0;
98 static int do_count_packets = 0;
99 static int do_read_frames = 0;
100 static int do_read_packets = 0;
101 static int do_show_chapters = 0;
102 static int do_show_error = 0;
103 static int do_show_format = 0;
104 static int do_show_frames = 0;
105 static int do_show_packets = 0;
106 static int do_show_programs = 0;
107 static int do_show_streams = 0;
108 static int do_show_stream_disposition = 0;
109 static int do_show_data = 0;
110 static int do_show_program_version = 0;
111 static int do_show_library_versions = 0;
112 static int do_show_pixel_formats = 0;
113 static int do_show_pixel_format_flags = 0;
114 static int do_show_pixel_format_components = 0;
115 static int do_show_log = 0;
116 
117 static int do_show_chapter_tags = 0;
118 static int do_show_format_tags = 0;
119 static int do_show_frame_tags = 0;
120 static int do_show_program_tags = 0;
121 static int do_show_stream_tags = 0;
122 static int do_show_packet_tags = 0;
123 
124 static int show_value_unit = 0;
125 static int use_value_prefix = 0;
126 static int use_byte_value_binary_prefix = 0;
127 static int use_value_sexagesimal_format = 0;
128 static int show_private_data = 1;
129 
130 #define SHOW_OPTIONAL_FIELDS_AUTO -1
131 #define SHOW_OPTIONAL_FIELDS_NEVER 0
132 #define SHOW_OPTIONAL_FIELDS_ALWAYS 1
133 static int show_optional_fields = SHOW_OPTIONAL_FIELDS_AUTO;
134 
135 static char *print_format;
136 static char *stream_specifier;
137 static char *show_data_hash;
138 
139 typedef struct ReadInterval {
140  int id; ///< identifier
141  int64_t start, end; ///< start, end in second/AV_TIME_BASE units
142  int has_start, has_end;
143  int start_is_offset, end_is_offset;
144  int duration_frames;
145 } ReadInterval;
146 
147 static ReadInterval *read_intervals;
148 static int read_intervals_nb = 0;
149 
150 static int find_stream_info = 1;
151 
152 /* section structure definition */
153 
154 #define SECTION_MAX_NB_CHILDREN 10
155 
156 struct section {
157  int id; ///< unique id identifying a section
158  const char *name;
159 
160 #define SECTION_FLAG_IS_WRAPPER 1 ///< the section only contains other sections, but has no data at its own level
161 #define SECTION_FLAG_IS_ARRAY 2 ///< the section contains an array of elements of the same type
162 #define SECTION_FLAG_HAS_VARIABLE_FIELDS 4 ///< the section may contain a variable number of fields with variable keys.
163  /// For these sections the element_name field is mandatory.
164  int flags;
165  int children_ids[SECTION_MAX_NB_CHILDREN+1]; ///< list of children section IDS, terminated by -1
166  const char *element_name; ///< name of the contained element, if provided
167  const char *unique_name; ///< unique section name, in case the name is ambiguous
168  AVDictionary *entries_to_show;
169  int show_all_entries;
170 };
171 
172 typedef enum {
173  SECTION_ID_NONE = -1,
174  SECTION_ID_CHAPTER,
175  SECTION_ID_CHAPTER_TAGS,
176  SECTION_ID_CHAPTERS,
177  SECTION_ID_ERROR,
178  SECTION_ID_FORMAT,
179  SECTION_ID_FORMAT_TAGS,
180  SECTION_ID_FRAME,
181  SECTION_ID_FRAMES,
182  SECTION_ID_FRAME_TAGS,
183  SECTION_ID_FRAME_SIDE_DATA_LIST,
184  SECTION_ID_FRAME_SIDE_DATA,
185  SECTION_ID_FRAME_SIDE_DATA_TIMECODE_LIST,
186  SECTION_ID_FRAME_SIDE_DATA_TIMECODE,
187  SECTION_ID_FRAME_SIDE_DATA_COMPONENT_LIST,
188  SECTION_ID_FRAME_SIDE_DATA_COMPONENT,
189  SECTION_ID_FRAME_SIDE_DATA_PIECE_LIST,
190  SECTION_ID_FRAME_SIDE_DATA_PIECE,
191  SECTION_ID_FRAME_LOG,
192  SECTION_ID_FRAME_LOGS,
193  SECTION_ID_LIBRARY_VERSION,
194  SECTION_ID_LIBRARY_VERSIONS,
195  SECTION_ID_PACKET,
196  SECTION_ID_PACKET_TAGS,
197  SECTION_ID_PACKETS,
198  SECTION_ID_PACKETS_AND_FRAMES,
199  SECTION_ID_PACKET_SIDE_DATA_LIST,
200  SECTION_ID_PACKET_SIDE_DATA,
201  SECTION_ID_PIXEL_FORMAT,
202  SECTION_ID_PIXEL_FORMAT_FLAGS,
203  SECTION_ID_PIXEL_FORMAT_COMPONENT,
204  SECTION_ID_PIXEL_FORMAT_COMPONENTS,
205  SECTION_ID_PIXEL_FORMATS,
206  SECTION_ID_PROGRAM_STREAM_DISPOSITION,
207  SECTION_ID_PROGRAM_STREAM_TAGS,
208  SECTION_ID_PROGRAM,
209  SECTION_ID_PROGRAM_STREAMS,
210  SECTION_ID_PROGRAM_STREAM,
211  SECTION_ID_PROGRAM_TAGS,
212  SECTION_ID_PROGRAM_VERSION,
213  SECTION_ID_PROGRAMS,
214  SECTION_ID_ROOT,
215  SECTION_ID_STREAM,
216  SECTION_ID_STREAM_DISPOSITION,
217  SECTION_ID_STREAMS,
218  SECTION_ID_STREAM_TAGS,
219  SECTION_ID_STREAM_SIDE_DATA_LIST,
220  SECTION_ID_STREAM_SIDE_DATA,
221  SECTION_ID_SUBTITLE,
222 } SectionID;
223 
224 static struct section sections[] = {
225  [SECTION_ID_CHAPTERS] = { SECTION_ID_CHAPTERS, "chapters", SECTION_FLAG_IS_ARRAY, { SECTION_ID_CHAPTER, -1 } },
226  [SECTION_ID_CHAPTER] = { SECTION_ID_CHAPTER, "chapter", 0, { SECTION_ID_CHAPTER_TAGS, -1 } },
227  [SECTION_ID_CHAPTER_TAGS] = { SECTION_ID_CHAPTER_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "chapter_tags" },
228  [SECTION_ID_ERROR] = { SECTION_ID_ERROR, "error", 0, { -1 } },
229  [SECTION_ID_FORMAT] = { SECTION_ID_FORMAT, "format", 0, { SECTION_ID_FORMAT_TAGS, -1 } },
230  [SECTION_ID_FORMAT_TAGS] = { SECTION_ID_FORMAT_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "format_tags" },
231  [SECTION_ID_FRAMES] = { SECTION_ID_FRAMES, "frames", SECTION_FLAG_IS_ARRAY, { SECTION_ID_FRAME, SECTION_ID_SUBTITLE, -1 } },
232  [SECTION_ID_FRAME] = { SECTION_ID_FRAME, "frame", 0, { SECTION_ID_FRAME_TAGS, SECTION_ID_FRAME_SIDE_DATA_LIST, SECTION_ID_FRAME_LOGS, -1 } },
233  [SECTION_ID_FRAME_TAGS] = { SECTION_ID_FRAME_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "frame_tags" },
234  [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" },
235  [SECTION_ID_FRAME_SIDE_DATA] = { SECTION_ID_FRAME_SIDE_DATA, "side_data", 0, { SECTION_ID_FRAME_SIDE_DATA_TIMECODE_LIST, SECTION_ID_FRAME_SIDE_DATA_COMPONENT_LIST, -1 }, .unique_name = "frame_side_data" },
236  [SECTION_ID_FRAME_SIDE_DATA_TIMECODE_LIST] = { SECTION_ID_FRAME_SIDE_DATA_TIMECODE_LIST, "timecodes", SECTION_FLAG_IS_ARRAY, { SECTION_ID_FRAME_SIDE_DATA_TIMECODE, -1 } },
237  [SECTION_ID_FRAME_SIDE_DATA_TIMECODE] = { SECTION_ID_FRAME_SIDE_DATA_TIMECODE, "timecode", 0, { -1 } },
238  [SECTION_ID_FRAME_SIDE_DATA_COMPONENT_LIST] = { SECTION_ID_FRAME_SIDE_DATA_COMPONENT_LIST, "components", SECTION_FLAG_IS_ARRAY, { SECTION_ID_FRAME_SIDE_DATA_COMPONENT, -1 } },
239  [SECTION_ID_FRAME_SIDE_DATA_COMPONENT] = { SECTION_ID_FRAME_SIDE_DATA_COMPONENT, "component", 0, { SECTION_ID_FRAME_SIDE_DATA_PIECE_LIST, -1 } },
240  [SECTION_ID_FRAME_SIDE_DATA_PIECE_LIST] = { SECTION_ID_FRAME_SIDE_DATA_PIECE_LIST, "pieces", SECTION_FLAG_IS_ARRAY, { SECTION_ID_FRAME_SIDE_DATA_PIECE, -1 } },
241  [SECTION_ID_FRAME_SIDE_DATA_PIECE] = { SECTION_ID_FRAME_SIDE_DATA_PIECE, "section", 0, { -1 } },
242  [SECTION_ID_FRAME_LOGS] = { SECTION_ID_FRAME_LOGS, "logs", SECTION_FLAG_IS_ARRAY, { SECTION_ID_FRAME_LOG, -1 } },
243  [SECTION_ID_FRAME_LOG] = { SECTION_ID_FRAME_LOG, "log", 0, { -1 }, },
244  [SECTION_ID_LIBRARY_VERSIONS] = { SECTION_ID_LIBRARY_VERSIONS, "library_versions", SECTION_FLAG_IS_ARRAY, { SECTION_ID_LIBRARY_VERSION, -1 } },
245  [SECTION_ID_LIBRARY_VERSION] = { SECTION_ID_LIBRARY_VERSION, "library_version", 0, { -1 } },
246  [SECTION_ID_PACKETS] = { SECTION_ID_PACKETS, "packets", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PACKET, -1} },
247  [SECTION_ID_PACKETS_AND_FRAMES] = { SECTION_ID_PACKETS_AND_FRAMES, "packets_and_frames", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PACKET, -1} },
248  [SECTION_ID_PACKET] = { SECTION_ID_PACKET, "packet", 0, { SECTION_ID_PACKET_TAGS, SECTION_ID_PACKET_SIDE_DATA_LIST, -1 } },
249  [SECTION_ID_PACKET_TAGS] = { SECTION_ID_PACKET_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "packet_tags" },
250  [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" },
251  [SECTION_ID_PACKET_SIDE_DATA] = { SECTION_ID_PACKET_SIDE_DATA, "side_data", 0, { -1 }, .unique_name = "packet_side_data" },
252  [SECTION_ID_PIXEL_FORMATS] = { SECTION_ID_PIXEL_FORMATS, "pixel_formats", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PIXEL_FORMAT, -1 } },
253  [SECTION_ID_PIXEL_FORMAT] = { SECTION_ID_PIXEL_FORMAT, "pixel_format", 0, { SECTION_ID_PIXEL_FORMAT_FLAGS, SECTION_ID_PIXEL_FORMAT_COMPONENTS, -1 } },
254  [SECTION_ID_PIXEL_FORMAT_FLAGS] = { SECTION_ID_PIXEL_FORMAT_FLAGS, "flags", 0, { -1 }, .unique_name = "pixel_format_flags" },
255  [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" },
256  [SECTION_ID_PIXEL_FORMAT_COMPONENT] = { SECTION_ID_PIXEL_FORMAT_COMPONENT, "component", 0, { -1 } },
257  [SECTION_ID_PROGRAM_STREAM_DISPOSITION] = { SECTION_ID_PROGRAM_STREAM_DISPOSITION, "disposition", 0, { -1 }, .unique_name = "program_stream_disposition" },
258  [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" },
259  [SECTION_ID_PROGRAM] = { SECTION_ID_PROGRAM, "program", 0, { SECTION_ID_PROGRAM_TAGS, SECTION_ID_PROGRAM_STREAMS, -1 } },
260  [SECTION_ID_PROGRAM_STREAMS] = { SECTION_ID_PROGRAM_STREAMS, "streams", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PROGRAM_STREAM, -1 }, .unique_name = "program_streams" },
261  [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" },
262  [SECTION_ID_PROGRAM_TAGS] = { SECTION_ID_PROGRAM_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "program_tags" },
263  [SECTION_ID_PROGRAM_VERSION] = { SECTION_ID_PROGRAM_VERSION, "program_version", 0, { -1 } },
264  [SECTION_ID_PROGRAMS] = { SECTION_ID_PROGRAMS, "programs", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PROGRAM, -1 } },
265  [SECTION_ID_ROOT] = { SECTION_ID_ROOT, "root", SECTION_FLAG_IS_WRAPPER,
266  { SECTION_ID_CHAPTERS, SECTION_ID_FORMAT, SECTION_ID_FRAMES, SECTION_ID_PROGRAMS, SECTION_ID_STREAMS,
267  SECTION_ID_PACKETS, SECTION_ID_ERROR, SECTION_ID_PROGRAM_VERSION, SECTION_ID_LIBRARY_VERSIONS,
268  SECTION_ID_PIXEL_FORMATS, -1} },
269  [SECTION_ID_STREAMS] = { SECTION_ID_STREAMS, "streams", SECTION_FLAG_IS_ARRAY, { SECTION_ID_STREAM, -1 } },
270  [SECTION_ID_STREAM] = { SECTION_ID_STREAM, "stream", 0, { SECTION_ID_STREAM_DISPOSITION, SECTION_ID_STREAM_TAGS, SECTION_ID_STREAM_SIDE_DATA_LIST, -1 } },
271  [SECTION_ID_STREAM_DISPOSITION] = { SECTION_ID_STREAM_DISPOSITION, "disposition", 0, { -1 }, .unique_name = "stream_disposition" },
272  [SECTION_ID_STREAM_TAGS] = { SECTION_ID_STREAM_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "stream_tags" },
273  [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" },
274  [SECTION_ID_STREAM_SIDE_DATA] = { SECTION_ID_STREAM_SIDE_DATA, "side_data", 0, { -1 }, .unique_name = "stream_side_data" },
275  [SECTION_ID_SUBTITLE] = { SECTION_ID_SUBTITLE, "subtitle", 0, { -1 } },
276 };
277 
278 static const OptionDef *options;
279 
280 /* FFprobe context */
281 static const char *input_filename;
282 static const char *print_input_filename;
283 static const AVInputFormat *iformat = NULL;
284 static const char *output_filename = NULL;
285 
286 static struct AVHashContext *hash;
287 
288 static const struct {
289  double bin_val;
290  double dec_val;
291  const char *bin_str;
292  const char *dec_str;
293 } si_prefixes[] = {
294  { 1.0, 1.0, "", "" },
295  { 1.024e3, 1e3, "Ki", "K" },
296  { 1.048576e6, 1e6, "Mi", "M" },
297  { 1.073741824e9, 1e9, "Gi", "G" },
298  { 1.099511627776e12, 1e12, "Ti", "T" },
299  { 1.125899906842624e15, 1e15, "Pi", "P" },
300 };
301 
302 static const char unit_second_str[] = "s" ;
303 static const char unit_hertz_str[] = "Hz" ;
304 static const char unit_byte_str[] = "byte" ;
305 static const char unit_bit_per_second_str[] = "bit/s";
306 
307 static int nb_streams;
308 static uint64_t *nb_streams_packets;
309 static uint64_t *nb_streams_frames;
310 static int *selected_streams;
311 
312 #if HAVE_THREADS
313 pthread_mutex_t log_mutex;
314 #endif
315 typedef struct LogBuffer {
316  char *context_name;
317  int log_level;
318  char *log_message;
319  AVClassCategory category;
320  char *parent_name;
321  AVClassCategory parent_category;
322 }LogBuffer;
323 
324 static LogBuffer *log_buffer;
325 static int log_buffer_size;
326 
327 static void log_callback(void *ptr, int level, const char *fmt, va_list vl)
328 {
329  AVClass* avc = ptr ? *(AVClass **) ptr : NULL;
330  va_list vl2;
331  char line[1024];
332  static int print_prefix = 1;
333  void *new_log_buffer;
334 
335  va_copy(vl2, vl);
336  av_log_default_callback(ptr, level, fmt, vl);
337  av_log_format_line(ptr, level, fmt, vl2, line, sizeof(line), &print_prefix);
338  va_end(vl2);
339 
340 #if HAVE_THREADS
341  pthread_mutex_lock(&log_mutex);
342 
343  new_log_buffer = av_realloc_array(log_buffer, log_buffer_size + 1, sizeof(*log_buffer));
344  if (new_log_buffer) {
345  char *msg;
346  int i;
347 
348  log_buffer = new_log_buffer;
349  memset(&log_buffer[log_buffer_size], 0, sizeof(log_buffer[log_buffer_size]));
350  log_buffer[log_buffer_size].context_name= avc ? av_strdup(avc->item_name(ptr)) : NULL;
351  if (avc) {
352  if (avc->get_category) log_buffer[log_buffer_size].category = avc->get_category(ptr);
353  else log_buffer[log_buffer_size].category = avc->category;
354  }
355  log_buffer[log_buffer_size].log_level = level;
356  msg = log_buffer[log_buffer_size].log_message = av_strdup(line);
357  for (i=strlen(msg) - 1; i>=0 && msg[i] == '\n'; i--) {
358  msg[i] = 0;
359  }
360  if (avc && avc->parent_log_context_offset) {
361  AVClass** parent = *(AVClass ***) (((uint8_t *) ptr) +
362  avc->parent_log_context_offset);
363  if (parent && *parent) {
364  log_buffer[log_buffer_size].parent_name = av_strdup((*parent)->item_name(parent));
365  log_buffer[log_buffer_size].parent_category =
366  (*parent)->get_category ? (*parent)->get_category(parent) :(*parent)->category;
367  }
368  }
369  log_buffer_size ++;
370  }
371 
372  pthread_mutex_unlock(&log_mutex);
373 #endif
374 }
375 
376 static void ffprobe_cleanup(int ret)
377 {
378  int i;
379  for (i = 0; i < FF_ARRAY_ELEMS(sections); i++)
380  av_dict_free(&(sections[i].entries_to_show));
381 
382 #if HAVE_THREADS
383  pthread_mutex_destroy(&log_mutex);
384 #endif
385 }
386 
387 struct unit_value {
388  union { double d; long long int i; } val;
389  const char *unit;
390 };
391 
392 static char *value_string(char *buf, int buf_size, struct unit_value uv)
393 {
394  double vald;
395  long long int vali;
396  int show_float = 0;
397 
398  if (uv.unit == unit_second_str) {
399  vald = uv.val.d;
400  show_float = 1;
401  } else {
402  vald = vali = uv.val.i;
403  }
404 
405  if (uv.unit == unit_second_str && use_value_sexagesimal_format) {
406  double secs;
407  int hours, mins;
408  secs = vald;
409  mins = (int)secs / 60;
410  secs = secs - mins * 60;
411  hours = mins / 60;
412  mins %= 60;
413  snprintf(buf, buf_size, "%d:%02d:%09.6f", hours, mins, secs);
414  } else {
415  const char *prefix_string = "";
416 
417  if (use_value_prefix && vald > 1) {
418  long long int index;
419 
420  if (uv.unit == unit_byte_str && use_byte_value_binary_prefix) {
421  index = (long long int) (log2(vald)) / 10;
422  index = av_clip(index, 0, FF_ARRAY_ELEMS(si_prefixes) - 1);
423  vald /= si_prefixes[index].bin_val;
424  prefix_string = si_prefixes[index].bin_str;
425  } else {
426  index = (long long int) (log10(vald)) / 3;
427  index = av_clip(index, 0, FF_ARRAY_ELEMS(si_prefixes) - 1);
428  vald /= si_prefixes[index].dec_val;
429  prefix_string = si_prefixes[index].dec_str;
430  }
431  vali = vald;
432  }
433 
434  if (show_float || (use_value_prefix && vald != (long long int)vald))
435  snprintf(buf, buf_size, "%f", vald);
436  else
437  snprintf(buf, buf_size, "%lld", vali);
438  av_strlcatf(buf, buf_size, "%s%s%s", *prefix_string || show_value_unit ? " " : "",
439  prefix_string, show_value_unit ? uv.unit : "");
440  }
441 
442  return buf;
443 }
444 
445 /* WRITERS API */
446 
447 typedef struct WriterContext WriterContext;
448 
449 #define WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS 1
450 #define WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER 2
451 
452 typedef enum {
453  WRITER_STRING_VALIDATION_FAIL,
454  WRITER_STRING_VALIDATION_REPLACE,
455  WRITER_STRING_VALIDATION_IGNORE,
456  WRITER_STRING_VALIDATION_NB
457 } StringValidation;
458 
459 typedef struct Writer {
460  const AVClass *priv_class; ///< private class of the writer, if any
461  int priv_size; ///< private size for the writer context
462  const char *name;
463 
464  int (*init) (WriterContext *wctx);
465  void (*uninit)(WriterContext *wctx);
466 
467  void (*print_section_header)(WriterContext *wctx);
468  void (*print_section_footer)(WriterContext *wctx);
469  void (*print_integer) (WriterContext *wctx, const char *, long long int);
470  void (*print_rational) (WriterContext *wctx, AVRational *q, char *sep);
471  void (*print_string) (WriterContext *wctx, const char *, const char *);
472  int flags; ///< a combination or WRITER_FLAG_*
473 } Writer;
474 
475 #define SECTION_MAX_NB_LEVELS 10
476 
477 struct WriterContext {
478  const AVClass *class; ///< class of the writer
479  const Writer *writer; ///< the Writer of which this is an instance
480  AVIOContext *avio; ///< the I/O context used to write
481 
482  void (* writer_w8)(WriterContext *wctx, int b);
483  void (* writer_put_str)(WriterContext *wctx, const char *str);
484  void (* writer_printf)(WriterContext *wctx, const char *fmt, ...);
485 
486  char *name; ///< name of this writer instance
487  void *priv; ///< private data for use by the filter
488 
489  const struct section *sections; ///< array containing all sections
490  int nb_sections; ///< number of sections
491 
492  int level; ///< current level, starting from 0
493 
494  /** number of the item printed in the given section, starting from 0 */
495  unsigned int nb_item[SECTION_MAX_NB_LEVELS];
496 
497  /** section per each level */
498  const struct section *section[SECTION_MAX_NB_LEVELS];
499  AVBPrint section_pbuf[SECTION_MAX_NB_LEVELS]; ///< generic print buffer dedicated to each section,
500  /// used by various writers
501 
502  unsigned int nb_section_packet; ///< number of the packet section in case we are in "packets_and_frames" section
503  unsigned int nb_section_frame; ///< number of the frame section in case we are in "packets_and_frames" section
504  unsigned int nb_section_packet_frame; ///< nb_section_packet or nb_section_frame according if is_packets_and_frames
505 
506  int string_validation;
507  char *string_validation_replacement;
508  unsigned int string_validation_utf8_flags;
509 };
510 
511 static const char *writer_get_name(void *p)
512 {
513  WriterContext *wctx = p;
514  return wctx->writer->name;
515 }
516 
517 #define OFFSET(x) offsetof(WriterContext, x)
518 
519 static const AVOption writer_options[] = {
520  { "string_validation", "set string validation mode",
521  OFFSET(string_validation), AV_OPT_TYPE_INT, {.i64=WRITER_STRING_VALIDATION_REPLACE}, 0, WRITER_STRING_VALIDATION_NB-1, .unit = "sv" },
522  { "sv", "set string validation mode",
523  OFFSET(string_validation), AV_OPT_TYPE_INT, {.i64=WRITER_STRING_VALIDATION_REPLACE}, 0, WRITER_STRING_VALIDATION_NB-1, .unit = "sv" },
524  { "ignore", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = WRITER_STRING_VALIDATION_IGNORE}, .unit = "sv" },
525  { "replace", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = WRITER_STRING_VALIDATION_REPLACE}, .unit = "sv" },
526  { "fail", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = WRITER_STRING_VALIDATION_FAIL}, .unit = "sv" },
527  { "string_validation_replacement", "set string validation replacement string", OFFSET(string_validation_replacement), AV_OPT_TYPE_STRING, {.str=""}},
528  { "svr", "set string validation replacement string", OFFSET(string_validation_replacement), AV_OPT_TYPE_STRING, {.str="\xEF\xBF\xBD"}},
529  { NULL }
530 };
531 
532 static void *writer_child_next(void *obj, void *prev)
533 {
534  WriterContext *ctx = obj;
535  if (!prev && ctx->writer && ctx->writer->priv_class && ctx->priv)
536  return ctx->priv;
537  return NULL;
538 }
539 
540 static const AVClass writer_class = {
541  .class_name = "Writer",
542  .item_name = writer_get_name,
543  .option = writer_options,
544  .version = LIBAVUTIL_VERSION_INT,
545  .child_next = writer_child_next,
546 };
547 
548 static int writer_close(WriterContext **wctx)
549 {
550  int i;
551  int ret = 0;
552 
553  if (!*wctx)
554  return -1;
555 
556  if ((*wctx)->writer->uninit)
557  (*wctx)->writer->uninit(*wctx);
558  for (i = 0; i < SECTION_MAX_NB_LEVELS; i++)
559  av_bprint_finalize(&(*wctx)->section_pbuf[i], NULL);
560  if ((*wctx)->writer->priv_class)
561  av_opt_free((*wctx)->priv);
562  av_freep(&((*wctx)->priv));
563  av_opt_free(*wctx);
564  if ((*wctx)->avio) {
565  avio_flush((*wctx)->avio);
566  ret = avio_close((*wctx)->avio);
567  }
568  av_freep(wctx);
569  return ret;
570 }
571 
572 static void bprint_bytes(AVBPrint *bp, const uint8_t *ubuf, size_t ubuf_size)
573 {
574  int i;
575  av_bprintf(bp, "0X");
576  for (i = 0; i < ubuf_size; i++)
577  av_bprintf(bp, "%02X", ubuf[i]);
578 }
579 
580 static inline void writer_w8_avio(WriterContext *wctx, int b)
581 {
582  avio_w8(wctx->avio, b);
583 }
584 
585 static inline void writer_put_str_avio(WriterContext *wctx, const char *str)
586 {
587  avio_write(wctx->avio, str, strlen(str));
588 }
589 
590 static inline void writer_printf_avio(WriterContext *wctx, const char *fmt, ...)
591 {
592  va_list ap;
593 
594  va_start(ap, fmt);
595  avio_vprintf(wctx->avio, fmt, ap);
596  va_end(ap);
597 }
598 
599 static inline void writer_w8_printf(WriterContext *wctx, int b)
600 {
601  printf("%c", b);
602 }
603 
604 static inline void writer_put_str_printf(WriterContext *wctx, const char *str)
605 {
606  printf("%s", str);
607 }
608 
609 static inline void writer_printf_printf(WriterContext *wctx, const char *fmt, ...)
610 {
611  va_list ap;
612 
613  va_start(ap, fmt);
614  vprintf(fmt, ap);
615  va_end(ap);
616 }
617 
618 static int writer_open(WriterContext **wctx, const Writer *writer, const char *args,
619  const struct section *sections, int nb_sections, const char *output)
620 {
621  int i, ret = 0;
622 
623  if (!(*wctx = av_mallocz(sizeof(WriterContext)))) {
624  ret = AVERROR(ENOMEM);
625  goto fail;
626  }
627 
628  if (!((*wctx)->priv = av_mallocz(writer->priv_size))) {
629  ret = AVERROR(ENOMEM);
630  goto fail;
631  }
632 
633  (*wctx)->class = &writer_class;
634  (*wctx)->writer = writer;
635  (*wctx)->level = -1;
636  (*wctx)->sections = sections;
637  (*wctx)->nb_sections = nb_sections;
638 
639  av_opt_set_defaults(*wctx);
640 
641  if (writer->priv_class) {
642  void *priv_ctx = (*wctx)->priv;
643  *((const AVClass **)priv_ctx) = writer->priv_class;
644  av_opt_set_defaults(priv_ctx);
645  }
646 
647  /* convert options to dictionary */
648  if (args) {
649  AVDictionary *opts = NULL;
650  const AVDictionaryEntry *opt = NULL;
651 
652  if ((ret = av_dict_parse_string(&opts, args, "=", ":", 0)) < 0) {
653  av_log(*wctx, AV_LOG_ERROR, "Failed to parse option string '%s' provided to writer context\n", args);
654  av_dict_free(&opts);
655  goto fail;
656  }
657 
658  while ((opt = av_dict_get(opts, "", opt, AV_DICT_IGNORE_SUFFIX))) {
659  if ((ret = av_opt_set(*wctx, opt->key, opt->value, AV_OPT_SEARCH_CHILDREN)) < 0) {
660  av_log(*wctx, AV_LOG_ERROR, "Failed to set option '%s' with value '%s' provided to writer context\n",
661  opt->key, opt->value);
662  av_dict_free(&opts);
663  goto fail;
664  }
665  }
666 
667  av_dict_free(&opts);
668  }
669 
670  /* validate replace string */
671  {
672  const uint8_t *p = (*wctx)->string_validation_replacement;
673  const uint8_t *endp = p + strlen(p);
674  while (*p) {
675  const uint8_t *p0 = p;
676  int32_t code;
677  ret = av_utf8_decode(&code, &p, endp, (*wctx)->string_validation_utf8_flags);
678  if (ret < 0) {
679  AVBPrint bp;
680  av_bprint_init(&bp, 0, AV_BPRINT_SIZE_AUTOMATIC);
681  bprint_bytes(&bp, p0, p-p0),
682  av_log(wctx, AV_LOG_ERROR,
683  "Invalid UTF8 sequence %s found in string validation replace '%s'\n",
684  bp.str, (*wctx)->string_validation_replacement);
685  return ret;
686  }
687  }
688  }
689 
690  if (!output_filename) {
691  (*wctx)->writer_w8 = writer_w8_printf;
692  (*wctx)->writer_put_str = writer_put_str_printf;
693  (*wctx)->writer_printf = writer_printf_printf;
694  } else {
695  if ((ret = avio_open(&(*wctx)->avio, output, AVIO_FLAG_WRITE)) < 0) {
696  av_log(*wctx, AV_LOG_ERROR,
697  "Failed to open output '%s' with error: %s\n", output, av_err2str(ret));
698  goto fail;
699  }
700  (*wctx)->writer_w8 = writer_w8_avio;
701  (*wctx)->writer_put_str = writer_put_str_avio;
702  (*wctx)->writer_printf = writer_printf_avio;
703  }
704 
705  for (i = 0; i < SECTION_MAX_NB_LEVELS; i++)
706  av_bprint_init(&(*wctx)->section_pbuf[i], 1, AV_BPRINT_SIZE_UNLIMITED);
707 
708  if ((*wctx)->writer->init)
709  ret = (*wctx)->writer->init(*wctx);
710  if (ret < 0)
711  goto fail;
712 
713  return 0;
714 
715 fail:
716  writer_close(wctx);
717  return ret;
718 }
719 
720 static inline void writer_print_section_header(WriterContext *wctx,
721  int section_id)
722 {
723  int parent_section_id;
724  wctx->level++;
725  av_assert0(wctx->level < SECTION_MAX_NB_LEVELS);
726  parent_section_id = wctx->level ?
727  (wctx->section[wctx->level-1])->id : SECTION_ID_NONE;
728 
729  wctx->nb_item[wctx->level] = 0;
730  wctx->section[wctx->level] = &wctx->sections[section_id];
731 
732  if (section_id == SECTION_ID_PACKETS_AND_FRAMES) {
733  wctx->nb_section_packet = wctx->nb_section_frame =
734  wctx->nb_section_packet_frame = 0;
735  } else if (parent_section_id == SECTION_ID_PACKETS_AND_FRAMES) {
736  wctx->nb_section_packet_frame = section_id == SECTION_ID_PACKET ?
737  wctx->nb_section_packet : wctx->nb_section_frame;
738  }
739 
740  if (wctx->writer->print_section_header)
741  wctx->writer->print_section_header(wctx);
742 }
743 
744 static inline void writer_print_section_footer(WriterContext *wctx)
745 {
746  int section_id = wctx->section[wctx->level]->id;
747  int parent_section_id = wctx->level ?
748  wctx->section[wctx->level-1]->id : SECTION_ID_NONE;
749 
750  if (parent_section_id != SECTION_ID_NONE)
751  wctx->nb_item[wctx->level-1]++;
752  if (parent_section_id == SECTION_ID_PACKETS_AND_FRAMES) {
753  if (section_id == SECTION_ID_PACKET) wctx->nb_section_packet++;
754  else wctx->nb_section_frame++;
755  }
756  if (wctx->writer->print_section_footer)
757  wctx->writer->print_section_footer(wctx);
758  wctx->level--;
759 }
760 
761 static inline void writer_print_integer(WriterContext *wctx,
762  const char *key, long long int val)
763 {
764  const struct section *section = wctx->section[wctx->level];
765 
766  if (section->show_all_entries || av_dict_get(section->entries_to_show, key, NULL, 0)) {
767  wctx->writer->print_integer(wctx, key, val);
768  wctx->nb_item[wctx->level]++;
769  }
770 }
771 
772 static inline int validate_string(WriterContext *wctx, char **dstp, const char *src)
773 {
774  const uint8_t *p, *endp;
775  AVBPrint dstbuf;
776  int invalid_chars_nb = 0, ret = 0;
777 
778  av_bprint_init(&dstbuf, 0, AV_BPRINT_SIZE_UNLIMITED);
779 
780  endp = src + strlen(src);
781  for (p = (uint8_t *)src; *p;) {
782  uint32_t code;
783  int invalid = 0;
784  const uint8_t *p0 = p;
785 
786  if (av_utf8_decode(&code, &p, endp, wctx->string_validation_utf8_flags) < 0) {
787  AVBPrint bp;
788  av_bprint_init(&bp, 0, AV_BPRINT_SIZE_AUTOMATIC);
789  bprint_bytes(&bp, p0, p-p0);
790  av_log(wctx, AV_LOG_DEBUG,
791  "Invalid UTF-8 sequence %s found in string '%s'\n", bp.str, src);
792  invalid = 1;
793  }
794 
795  if (invalid) {
796  invalid_chars_nb++;
797 
798  switch (wctx->string_validation) {
799  case WRITER_STRING_VALIDATION_FAIL:
800  av_log(wctx, AV_LOG_ERROR,
801  "Invalid UTF-8 sequence found in string '%s'\n", src);
802  ret = AVERROR_INVALIDDATA;
803  goto end;
804  break;
805 
806  case WRITER_STRING_VALIDATION_REPLACE:
807  av_bprintf(&dstbuf, "%s", wctx->string_validation_replacement);
808  break;
809  }
810  }
811 
812  if (!invalid || wctx->string_validation == WRITER_STRING_VALIDATION_IGNORE)
813  av_bprint_append_data(&dstbuf, p0, p-p0);
814  }
815 
816  if (invalid_chars_nb && wctx->string_validation == WRITER_STRING_VALIDATION_REPLACE) {
817  av_log(wctx, AV_LOG_WARNING,
818  "%d invalid UTF-8 sequence(s) found in string '%s', replaced with '%s'\n",
819  invalid_chars_nb, src, wctx->string_validation_replacement);
820  }
821 
822 end:
823  av_bprint_finalize(&dstbuf, dstp);
824  return ret;
825 }
826 
827 #define PRINT_STRING_OPT 1
828 #define PRINT_STRING_VALIDATE 2
829 
830 static inline int writer_print_string(WriterContext *wctx,
831  const char *key, const char *val, int flags)
832 {
833  const struct section *section = wctx->section[wctx->level];
834  int ret = 0;
835 
836  if (show_optional_fields == SHOW_OPTIONAL_FIELDS_NEVER ||
837  (show_optional_fields == SHOW_OPTIONAL_FIELDS_AUTO
838  && (flags & PRINT_STRING_OPT)
839  && !(wctx->writer->flags & WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS)))
840  return 0;
841 
842  if (section->show_all_entries || av_dict_get(section->entries_to_show, key, NULL, 0)) {
843  if (flags & PRINT_STRING_VALIDATE) {
844  char *key1 = NULL, *val1 = NULL;
845  ret = validate_string(wctx, &key1, key);
846  if (ret < 0) goto end;
847  ret = validate_string(wctx, &val1, val);
848  if (ret < 0) goto end;
849  wctx->writer->print_string(wctx, key1, val1);
850  end:
851  if (ret < 0) {
852  av_log(wctx, AV_LOG_ERROR,
853  "Invalid key=value string combination %s=%s in section %s\n",
854  key, val, section->unique_name);
855  }
856  av_free(key1);
857  av_free(val1);
858  } else {
859  wctx->writer->print_string(wctx, key, val);
860  }
861 
862  wctx->nb_item[wctx->level]++;
863  }
864 
865  return ret;
866 }
867 
868 static inline void writer_print_rational(WriterContext *wctx,
869  const char *key, AVRational q, char sep)
870 {
871  AVBPrint buf;
872  av_bprint_init(&buf, 0, AV_BPRINT_SIZE_AUTOMATIC);
873  av_bprintf(&buf, "%d%c%d", q.num, sep, q.den);
874  writer_print_string(wctx, key, buf.str, 0);
875 }
876 
877 static void writer_print_time(WriterContext *wctx, const char *key,
878  int64_t ts, const AVRational *time_base, int is_duration)
879 {
880  char buf[128];
881 
882  if ((!is_duration && ts == AV_NOPTS_VALUE) || (is_duration && ts == 0)) {
883  writer_print_string(wctx, key, "N/A", PRINT_STRING_OPT);
884  } else {
885  double d = ts * av_q2d(*time_base);
886  struct unit_value uv;
887  uv.val.d = d;
888  uv.unit = unit_second_str;
889  value_string(buf, sizeof(buf), uv);
890  writer_print_string(wctx, key, buf, 0);
891  }
892 }
893 
894 static void writer_print_ts(WriterContext *wctx, const char *key, int64_t ts, int is_duration)
895 {
896  if ((!is_duration && ts == AV_NOPTS_VALUE) || (is_duration && ts == 0)) {
897  writer_print_string(wctx, key, "N/A", PRINT_STRING_OPT);
898  } else {
899  writer_print_integer(wctx, key, ts);
900  }
901 }
902 
903 static void writer_print_data(WriterContext *wctx, const char *name,
904  const uint8_t *data, int size)
905 {
906  AVBPrint bp;
907  int offset = 0, l, i;
908 
909  av_bprint_init(&bp, 0, AV_BPRINT_SIZE_UNLIMITED);
910  av_bprintf(&bp, "\n");
911  while (size) {
912  av_bprintf(&bp, "%08x: ", offset);
913  l = FFMIN(size, 16);
914  for (i = 0; i < l; i++) {
915  av_bprintf(&bp, "%02x", data[i]);
916  if (i & 1)
917  av_bprintf(&bp, " ");
918  }
919  av_bprint_chars(&bp, ' ', 41 - 2 * i - i / 2);
920  for (i = 0; i < l; i++)
921  av_bprint_chars(&bp, data[i] - 32U < 95 ? data[i] : '.', 1);
922  av_bprintf(&bp, "\n");
923  offset += l;
924  data += l;
925  size -= l;
926  }
927  writer_print_string(wctx, name, bp.str, 0);
928  av_bprint_finalize(&bp, NULL);
929 }
930 
931 static void writer_print_data_hash(WriterContext *wctx, const char *name,
932  const uint8_t *data, int size)
933 {
934  char *p, buf[AV_HASH_MAX_SIZE * 2 + 64] = { 0 };
935 
936  if (!hash)
937  return;
938  av_hash_init(hash);
939  av_hash_update(hash, data, size);
940  snprintf(buf, sizeof(buf), "%s:", av_hash_get_name(hash));
941  p = buf + strlen(buf);
942  av_hash_final_hex(hash, p, buf + sizeof(buf) - p);
943  writer_print_string(wctx, name, buf, 0);
944 }
945 
946 static void writer_print_integers(WriterContext *wctx, const char *name,
947  uint8_t *data, int size, const char *format,
948  int columns, int bytes, int offset_add)
949 {
950  AVBPrint bp;
951  int offset = 0, l, i;
952 
953  av_bprint_init(&bp, 0, AV_BPRINT_SIZE_UNLIMITED);
954  av_bprintf(&bp, "\n");
955  while (size) {
956  av_bprintf(&bp, "%08x: ", offset);
957  l = FFMIN(size, columns);
958  for (i = 0; i < l; i++) {
959  if (bytes == 1) av_bprintf(&bp, format, *data);
960  else if (bytes == 2) av_bprintf(&bp, format, AV_RN16(data));
961  else if (bytes == 4) av_bprintf(&bp, format, AV_RN32(data));
962  data += bytes;
963  size --;
964  }
965  av_bprintf(&bp, "\n");
966  offset += offset_add;
967  }
968  writer_print_string(wctx, name, bp.str, 0);
969  av_bprint_finalize(&bp, NULL);
970 }
971 
972 #define writer_w8(wctx_, b_) (wctx_)->writer_w8(wctx_, b_)
973 #define writer_put_str(wctx_, str_) (wctx_)->writer_put_str(wctx_, str_)
974 #define writer_printf(wctx_, fmt_, ...) (wctx_)->writer_printf(wctx_, fmt_, __VA_ARGS__)
975 
976 #define MAX_REGISTERED_WRITERS_NB 64
977 
978 static const Writer *registered_writers[MAX_REGISTERED_WRITERS_NB + 1];
979 
980 static int writer_register(const Writer *writer)
981 {
982  static int next_registered_writer_idx = 0;
983 
984  if (next_registered_writer_idx == MAX_REGISTERED_WRITERS_NB)
985  return AVERROR(ENOMEM);
986 
987  registered_writers[next_registered_writer_idx++] = writer;
988  return 0;
989 }
990 
991 static const Writer *writer_get_by_name(const char *name)
992 {
993  int i;
994 
995  for (i = 0; registered_writers[i]; i++)
996  if (!strcmp(registered_writers[i]->name, name))
997  return registered_writers[i];
998 
999  return NULL;
1000 }
1001 
1002 
1003 /* WRITERS */
1004 
1005 #define DEFINE_WRITER_CLASS(name) \
1006 static const char *name##_get_name(void *ctx) \
1007 { \
1008  return #name ; \
1009 } \
1010 static const AVClass name##_class = { \
1011  .class_name = #name, \
1012  .item_name = name##_get_name, \
1013  .option = name##_options \
1014 }
1015 
1016 /* Default output */
1017 
1018 typedef struct DefaultContext {
1019  const AVClass *class;
1020  int nokey;
1021  int noprint_wrappers;
1022  int nested_section[SECTION_MAX_NB_LEVELS];
1023 } DefaultContext;
1024 
1025 #undef OFFSET
1026 #define OFFSET(x) offsetof(DefaultContext, x)
1027 
1028 static const AVOption default_options[] = {
1029  { "noprint_wrappers", "do not print headers and footers", OFFSET(noprint_wrappers), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
1030  { "nw", "do not print headers and footers", OFFSET(noprint_wrappers), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
1031  { "nokey", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
1032  { "nk", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
1033  {NULL},
1034 };
1035 
1036 DEFINE_WRITER_CLASS(default);
1037 
1038 /* lame uppercasing routine, assumes the string is lower case ASCII */
1039 static inline char *upcase_string(char *dst, size_t dst_size, const char *src)
1040 {
1041  int i;
1042  for (i = 0; src[i] && i < dst_size-1; i++)
1043  dst[i] = av_toupper(src[i]);
1044  dst[i] = 0;
1045  return dst;
1046 }
1047 
1048 static void default_print_section_header(WriterContext *wctx)
1049 {
1050  DefaultContext *def = wctx->priv;
1051  char buf[32];
1052  const struct section *section = wctx->section[wctx->level];
1053  const struct section *parent_section = wctx->level ?
1054  wctx->section[wctx->level-1] : NULL;
1055 
1056  av_bprint_clear(&wctx->section_pbuf[wctx->level]);
1057  if (parent_section &&
1058  !(parent_section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY))) {
1059  def->nested_section[wctx->level] = 1;
1060  av_bprintf(&wctx->section_pbuf[wctx->level], "%s%s:",
1061  wctx->section_pbuf[wctx->level-1].str,
1062  upcase_string(buf, sizeof(buf),
1063  av_x_if_null(section->element_name, section->name)));
1064  }
1065 
1066  if (def->noprint_wrappers || def->nested_section[wctx->level])
1067  return;
1068 
1069  if (!(section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY)))
1070  writer_printf(wctx, "[%s]\n", upcase_string(buf, sizeof(buf), section->name));
1071 }
1072 
1073 static void default_print_section_footer(WriterContext *wctx)
1074 {
1075  DefaultContext *def = wctx->priv;
1076  const struct section *section = wctx->section[wctx->level];
1077  char buf[32];
1078 
1079  if (def->noprint_wrappers || def->nested_section[wctx->level])
1080  return;
1081 
1082  if (!(section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY)))
1083  writer_printf(wctx, "[/%s]\n", upcase_string(buf, sizeof(buf), section->name));
1084 }
1085 
1086 static void default_print_str(WriterContext *wctx, const char *key, const char *value)
1087 {
1088  DefaultContext *def = wctx->priv;
1089 
1090  if (!def->nokey)
1091  writer_printf(wctx, "%s%s=", wctx->section_pbuf[wctx->level].str, key);
1092  writer_printf(wctx, "%s\n", value);
1093 }
1094 
1095 static void default_print_int(WriterContext *wctx, const char *key, long long int value)
1096 {
1097  DefaultContext *def = wctx->priv;
1098 
1099  if (!def->nokey)
1100  writer_printf(wctx, "%s%s=", wctx->section_pbuf[wctx->level].str, key);
1101  writer_printf(wctx, "%lld\n", value);
1102 }
1103 
1104 static const Writer default_writer = {
1105  .name = "default",
1106  .priv_size = sizeof(DefaultContext),
1107  .print_section_header = default_print_section_header,
1108  .print_section_footer = default_print_section_footer,
1109  .print_integer = default_print_int,
1110  .print_string = default_print_str,
1111  .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS,
1112  .priv_class = &default_class,
1113 };
1114 
1115 /* Compact output */
1116 
1117 /**
1118  * Apply C-language-like string escaping.
1119  */
1120 static const char *c_escape_str(AVBPrint *dst, const char *src, const char sep, void *log_ctx)
1121 {
1122  const char *p;
1123 
1124  for (p = src; *p; p++) {
1125  switch (*p) {
1126  case '\b': av_bprintf(dst, "%s", "\\b"); break;
1127  case '\f': av_bprintf(dst, "%s", "\\f"); break;
1128  case '\n': av_bprintf(dst, "%s", "\\n"); break;
1129  case '\r': av_bprintf(dst, "%s", "\\r"); break;
1130  case '\\': av_bprintf(dst, "%s", "\\\\"); break;
1131  default:
1132  if (*p == sep)
1133  av_bprint_chars(dst, '\\', 1);
1134  av_bprint_chars(dst, *p, 1);
1135  }
1136  }
1137  return dst->str;
1138 }
1139 
1140 /**
1141  * Quote fields containing special characters, check RFC4180.
1142  */
1143 static const char *csv_escape_str(AVBPrint *dst, const char *src, const char sep, void *log_ctx)
1144 {
1145  char meta_chars[] = { sep, '"', '\n', '\r', '\0' };
1146  int needs_quoting = !!src[strcspn(src, meta_chars)];
1147 
1148  if (needs_quoting)
1149  av_bprint_chars(dst, '"', 1);
1150 
1151  for (; *src; src++) {
1152  if (*src == '"')
1153  av_bprint_chars(dst, '"', 1);
1154  av_bprint_chars(dst, *src, 1);
1155  }
1156  if (needs_quoting)
1157  av_bprint_chars(dst, '"', 1);
1158  return dst->str;
1159 }
1160 
1161 static const char *none_escape_str(AVBPrint *dst, const char *src, const char sep, void *log_ctx)
1162 {
1163  return src;
1164 }
1165 
1166 typedef struct CompactContext {
1167  const AVClass *class;
1168  char *item_sep_str;
1169  char item_sep;
1170  int nokey;
1171  int print_section;
1172  char *escape_mode_str;
1173  const char * (*escape_str)(AVBPrint *dst, const char *src, const char sep, void *log_ctx);
1174  int nested_section[SECTION_MAX_NB_LEVELS];
1175  int has_nested_elems[SECTION_MAX_NB_LEVELS];
1176  int terminate_line[SECTION_MAX_NB_LEVELS];
1177 } CompactContext;
1178 
1179 #undef OFFSET
1180 #define OFFSET(x) offsetof(CompactContext, x)
1181 
1182 static const AVOption compact_options[]= {
1183  {"item_sep", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str="|"}, 0, 0 },
1184  {"s", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str="|"}, 0, 0 },
1185  {"nokey", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
1186  {"nk", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
1187  {"escape", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="c"}, 0, 0 },
1188  {"e", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="c"}, 0, 0 },
1189  {"print_section", "print section name", OFFSET(print_section), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
1190  {"p", "print section name", OFFSET(print_section), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
1191  {NULL},
1192 };
1193 
1194 DEFINE_WRITER_CLASS(compact);
1195 
1196 static av_cold int compact_init(WriterContext *wctx)
1197 {
1198  CompactContext *compact = wctx->priv;
1199 
1200  if (strlen(compact->item_sep_str) != 1) {
1201  av_log(wctx, AV_LOG_ERROR, "Item separator '%s' specified, but must contain a single character\n",
1202  compact->item_sep_str);
1203  return AVERROR(EINVAL);
1204  }
1205  compact->item_sep = compact->item_sep_str[0];
1206 
1207  if (!strcmp(compact->escape_mode_str, "none")) compact->escape_str = none_escape_str;
1208  else if (!strcmp(compact->escape_mode_str, "c" )) compact->escape_str = c_escape_str;
1209  else if (!strcmp(compact->escape_mode_str, "csv" )) compact->escape_str = csv_escape_str;
1210  else {
1211  av_log(wctx, AV_LOG_ERROR, "Unknown escape mode '%s'\n", compact->escape_mode_str);
1212  return AVERROR(EINVAL);
1213  }
1214 
1215  return 0;
1216 }
1217 
1218 static void compact_print_section_header(WriterContext *wctx)
1219 {
1220  CompactContext *compact = wctx->priv;
1221  const struct section *section = wctx->section[wctx->level];
1222  const struct section *parent_section = wctx->level ?
1223  wctx->section[wctx->level-1] : NULL;
1224  compact->terminate_line[wctx->level] = 1;
1225  compact->has_nested_elems[wctx->level] = 0;
1226 
1227  av_bprint_clear(&wctx->section_pbuf[wctx->level]);
1228  if (!(section->flags & SECTION_FLAG_IS_ARRAY) && parent_section &&
1229  !(parent_section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY))) {
1230  compact->nested_section[wctx->level] = 1;
1231  compact->has_nested_elems[wctx->level-1] = 1;
1232  av_bprintf(&wctx->section_pbuf[wctx->level], "%s%s:",
1233  wctx->section_pbuf[wctx->level-1].str,
1234  (char *)av_x_if_null(section->element_name, section->name));
1235  wctx->nb_item[wctx->level] = wctx->nb_item[wctx->level-1];
1236  } else {
1237  if (parent_section && compact->has_nested_elems[wctx->level-1] &&
1238  (section->flags & SECTION_FLAG_IS_ARRAY)) {
1239  compact->terminate_line[wctx->level-1] = 0;
1240  }
1241  if (parent_section && !(parent_section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY)) &&
1242  wctx->level && wctx->nb_item[wctx->level-1])
1243  writer_w8(wctx, compact->item_sep);
1244  if (compact->print_section &&
1245  !(section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY)))
1246  writer_printf(wctx, "%s%c", section->name, compact->item_sep);
1247  }
1248 }
1249 
1250 static void compact_print_section_footer(WriterContext *wctx)
1251 {
1252  CompactContext *compact = wctx->priv;
1253 
1254  if (!compact->nested_section[wctx->level] &&
1255  compact->terminate_line[wctx->level] &&
1256  !(wctx->section[wctx->level]->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY)))
1257  writer_w8(wctx, '\n');
1258 }
1259 
1260 static void compact_print_str(WriterContext *wctx, const char *key, const char *value)
1261 {
1262  CompactContext *compact = wctx->priv;
1263  AVBPrint buf;
1264 
1265  if (wctx->nb_item[wctx->level]) writer_w8(wctx, compact->item_sep);
1266  if (!compact->nokey)
1267  writer_printf(wctx, "%s%s=", wctx->section_pbuf[wctx->level].str, key);
1268  av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1269  writer_put_str(wctx, compact->escape_str(&buf, value, compact->item_sep, wctx));
1270  av_bprint_finalize(&buf, NULL);
1271 }
1272 
1273 static void compact_print_int(WriterContext *wctx, const char *key, long long int value)
1274 {
1275  CompactContext *compact = wctx->priv;
1276 
1277  if (wctx->nb_item[wctx->level]) writer_w8(wctx, compact->item_sep);
1278  if (!compact->nokey)
1279  writer_printf(wctx, "%s%s=", wctx->section_pbuf[wctx->level].str, key);
1280  writer_printf(wctx, "%lld", value);
1281 }
1282 
1283 static const Writer compact_writer = {
1284  .name = "compact",
1285  .priv_size = sizeof(CompactContext),
1286  .init = compact_init,
1287  .print_section_header = compact_print_section_header,
1288  .print_section_footer = compact_print_section_footer,
1289  .print_integer = compact_print_int,
1290  .print_string = compact_print_str,
1291  .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS,
1292  .priv_class = &compact_class,
1293 };
1294 
1295 /* CSV output */
1296 
1297 #undef OFFSET
1298 #define OFFSET(x) offsetof(CompactContext, x)
1299 
1300 static const AVOption csv_options[] = {
1301  {"item_sep", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str=","}, 0, 0 },
1302  {"s", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str=","}, 0, 0 },
1303  {"nokey", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
1304  {"nk", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
1305  {"escape", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="csv"}, 0, 0 },
1306  {"e", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="csv"}, 0, 0 },
1307  {"print_section", "print section name", OFFSET(print_section), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
1308  {"p", "print section name", OFFSET(print_section), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
1309  {NULL},
1310 };
1311 
1312 DEFINE_WRITER_CLASS(csv);
1313 
1314 static const Writer csv_writer = {
1315  .name = "csv",
1316  .priv_size = sizeof(CompactContext),
1317  .init = compact_init,
1318  .print_section_header = compact_print_section_header,
1319  .print_section_footer = compact_print_section_footer,
1320  .print_integer = compact_print_int,
1321  .print_string = compact_print_str,
1322  .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS,
1323  .priv_class = &csv_class,
1324 };
1325 
1326 /* Flat output */
1327 
1328 typedef struct FlatContext {
1329  const AVClass *class;
1330  const char *sep_str;
1331  char sep;
1332  int hierarchical;
1333 } FlatContext;
1334 
1335 #undef OFFSET
1336 #define OFFSET(x) offsetof(FlatContext, x)
1337 
1338 static const AVOption flat_options[]= {
1339  {"sep_char", "set separator", OFFSET(sep_str), AV_OPT_TYPE_STRING, {.str="."}, 0, 0 },
1340  {"s", "set separator", OFFSET(sep_str), AV_OPT_TYPE_STRING, {.str="."}, 0, 0 },
1341  {"hierarchical", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
1342  {"h", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
1343  {NULL},
1344 };
1345 
1346 DEFINE_WRITER_CLASS(flat);
1347 
1348 static av_cold int flat_init(WriterContext *wctx)
1349 {
1350  FlatContext *flat = wctx->priv;
1351 
1352  if (strlen(flat->sep_str) != 1) {
1353  av_log(wctx, AV_LOG_ERROR, "Item separator '%s' specified, but must contain a single character\n",
1354  flat->sep_str);
1355  return AVERROR(EINVAL);
1356  }
1357  flat->sep = flat->sep_str[0];
1358 
1359  return 0;
1360 }
1361 
1362 static const char *flat_escape_key_str(AVBPrint *dst, const char *src, const char sep)
1363 {
1364  const char *p;
1365 
1366  for (p = src; *p; p++) {
1367  if (!((*p >= '0' && *p <= '9') ||
1368  (*p >= 'a' && *p <= 'z') ||
1369  (*p >= 'A' && *p <= 'Z')))
1370  av_bprint_chars(dst, '_', 1);
1371  else
1372  av_bprint_chars(dst, *p, 1);
1373  }
1374  return dst->str;
1375 }
1376 
1377 static const char *flat_escape_value_str(AVBPrint *dst, const char *src)
1378 {
1379  const char *p;
1380 
1381  for (p = src; *p; p++) {
1382  switch (*p) {
1383  case '\n': av_bprintf(dst, "%s", "\\n"); break;
1384  case '\r': av_bprintf(dst, "%s", "\\r"); break;
1385  case '\\': av_bprintf(dst, "%s", "\\\\"); break;
1386  case '"': av_bprintf(dst, "%s", "\\\""); break;
1387  case '`': av_bprintf(dst, "%s", "\\`"); break;
1388  case '$': av_bprintf(dst, "%s", "\\$"); break;
1389  default: av_bprint_chars(dst, *p, 1); break;
1390  }
1391  }
1392  return dst->str;
1393 }
1394 
1395 static void flat_print_section_header(WriterContext *wctx)
1396 {
1397  FlatContext *flat = wctx->priv;
1398  AVBPrint *buf = &wctx->section_pbuf[wctx->level];
1399  const struct section *section = wctx->section[wctx->level];
1400  const struct section *parent_section = wctx->level ?
1401  wctx->section[wctx->level-1] : NULL;
1402 
1403  /* build section header */
1404  av_bprint_clear(buf);
1405  if (!parent_section)
1406  return;
1407  av_bprintf(buf, "%s", wctx->section_pbuf[wctx->level-1].str);
1408 
1409  if (flat->hierarchical ||
1410  !(section->flags & (SECTION_FLAG_IS_ARRAY|SECTION_FLAG_IS_WRAPPER))) {
1411  av_bprintf(buf, "%s%s", wctx->section[wctx->level]->name, flat->sep_str);
1412 
1413  if (parent_section->flags & SECTION_FLAG_IS_ARRAY) {
1414  int n = parent_section->id == SECTION_ID_PACKETS_AND_FRAMES ?
1415  wctx->nb_section_packet_frame : wctx->nb_item[wctx->level-1];
1416  av_bprintf(buf, "%d%s", n, flat->sep_str);
1417  }
1418  }
1419 }
1420 
1421 static void flat_print_int(WriterContext *wctx, const char *key, long long int value)
1422 {
1423  writer_printf(wctx, "%s%s=%lld\n", wctx->section_pbuf[wctx->level].str, key, value);
1424 }
1425 
1426 static void flat_print_str(WriterContext *wctx, const char *key, const char *value)
1427 {
1428  FlatContext *flat = wctx->priv;
1429  AVBPrint buf;
1430 
1431  writer_put_str(wctx, wctx->section_pbuf[wctx->level].str);
1432  av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1433  writer_printf(wctx, "%s=", flat_escape_key_str(&buf, key, flat->sep));
1434  av_bprint_clear(&buf);
1435  writer_printf(wctx, "\"%s\"\n", flat_escape_value_str(&buf, value));
1436  av_bprint_finalize(&buf, NULL);
1437 }
1438 
1439 static const Writer flat_writer = {
1440  .name = "flat",
1441  .priv_size = sizeof(FlatContext),
1442  .init = flat_init,
1443  .print_section_header = flat_print_section_header,
1444  .print_integer = flat_print_int,
1445  .print_string = flat_print_str,
1446  .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS|WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,
1447  .priv_class = &flat_class,
1448 };
1449 
1450 /* INI format output */
1451 
1452 typedef struct INIContext {
1453  const AVClass *class;
1454  int hierarchical;
1455 } INIContext;
1456 
1457 #undef OFFSET
1458 #define OFFSET(x) offsetof(INIContext, x)
1459 
1460 static const AVOption ini_options[] = {
1461  {"hierarchical", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
1462  {"h", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
1463  {NULL},
1464 };
1465 
1466 DEFINE_WRITER_CLASS(ini);
1467 
1468 static char *ini_escape_str(AVBPrint *dst, const char *src)
1469 {
1470  int i = 0;
1471  char c = 0;
1472 
1473  while (c = src[i++]) {
1474  switch (c) {
1475  case '\b': av_bprintf(dst, "%s", "\\b"); break;
1476  case '\f': av_bprintf(dst, "%s", "\\f"); break;
1477  case '\n': av_bprintf(dst, "%s", "\\n"); break;
1478  case '\r': av_bprintf(dst, "%s", "\\r"); break;
1479  case '\t': av_bprintf(dst, "%s", "\\t"); break;
1480  case '\\':
1481  case '#' :
1482  case '=' :
1483  case ':' : av_bprint_chars(dst, '\\', 1);
1484  default:
1485  if ((unsigned char)c < 32)
1486  av_bprintf(dst, "\\x00%02x", c & 0xff);
1487  else
1488  av_bprint_chars(dst, c, 1);
1489  break;
1490  }
1491  }
1492  return dst->str;
1493 }
1494 
1495 static void ini_print_section_header(WriterContext *wctx)
1496 {
1497  INIContext *ini = wctx->priv;
1498  AVBPrint *buf = &wctx->section_pbuf[wctx->level];
1499  const struct section *section = wctx->section[wctx->level];
1500  const struct section *parent_section = wctx->level ?
1501  wctx->section[wctx->level-1] : NULL;
1502 
1503  av_bprint_clear(buf);
1504  if (!parent_section) {
1505  writer_put_str(wctx, "# ffprobe output\n\n");
1506  return;
1507  }
1508 
1509  if (wctx->nb_item[wctx->level-1])
1510  writer_w8(wctx, '\n');
1511 
1512  av_bprintf(buf, "%s", wctx->section_pbuf[wctx->level-1].str);
1513  if (ini->hierarchical ||
1514  !(section->flags & (SECTION_FLAG_IS_ARRAY|SECTION_FLAG_IS_WRAPPER))) {
1515  av_bprintf(buf, "%s%s", buf->str[0] ? "." : "", wctx->section[wctx->level]->name);
1516 
1517  if (parent_section->flags & SECTION_FLAG_IS_ARRAY) {
1518  int n = parent_section->id == SECTION_ID_PACKETS_AND_FRAMES ?
1519  wctx->nb_section_packet_frame : wctx->nb_item[wctx->level-1];
1520  av_bprintf(buf, ".%d", n);
1521  }
1522  }
1523 
1524  if (!(section->flags & (SECTION_FLAG_IS_ARRAY|SECTION_FLAG_IS_WRAPPER)))
1525  writer_printf(wctx, "[%s]\n", buf->str);
1526 }
1527 
1528 static void ini_print_str(WriterContext *wctx, const char *key, const char *value)
1529 {
1530  AVBPrint buf;
1531 
1532  av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1533  writer_printf(wctx, "%s=", ini_escape_str(&buf, key));
1534  av_bprint_clear(&buf);
1535  writer_printf(wctx, "%s\n", ini_escape_str(&buf, value));
1536  av_bprint_finalize(&buf, NULL);
1537 }
1538 
1539 static void ini_print_int(WriterContext *wctx, const char *key, long long int value)
1540 {
1541  writer_printf(wctx, "%s=%lld\n", key, value);
1542 }
1543 
1544 static const Writer ini_writer = {
1545  .name = "ini",
1546  .priv_size = sizeof(INIContext),
1547  .print_section_header = ini_print_section_header,
1548  .print_integer = ini_print_int,
1549  .print_string = ini_print_str,
1550  .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS|WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,
1551  .priv_class = &ini_class,
1552 };
1553 
1554 /* JSON output */
1555 
1556 typedef struct JSONContext {
1557  const AVClass *class;
1558  int indent_level;
1559  int compact;
1560  const char *item_sep, *item_start_end;
1561 } JSONContext;
1562 
1563 #undef OFFSET
1564 #define OFFSET(x) offsetof(JSONContext, x)
1565 
1566 static const AVOption json_options[]= {
1567  { "compact", "enable compact output", OFFSET(compact), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
1568  { "c", "enable compact output", OFFSET(compact), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
1569  { NULL }
1570 };
1571 
1572 DEFINE_WRITER_CLASS(json);
1573 
1574 static av_cold int json_init(WriterContext *wctx)
1575 {
1576  JSONContext *json = wctx->priv;
1577 
1578  json->item_sep = json->compact ? ", " : ",\n";
1579  json->item_start_end = json->compact ? " " : "\n";
1580 
1581  return 0;
1582 }
1583 
1584 static const char *json_escape_str(AVBPrint *dst, const char *src, void *log_ctx)
1585 {
1586  static const char json_escape[] = {'"', '\\', '\b', '\f', '\n', '\r', '\t', 0};
1587  static const char json_subst[] = {'"', '\\', 'b', 'f', 'n', 'r', 't', 0};
1588  const char *p;
1589 
1590  for (p = src; *p; p++) {
1591  char *s = strchr(json_escape, *p);
1592  if (s) {
1593  av_bprint_chars(dst, '\\', 1);
1594  av_bprint_chars(dst, json_subst[s - json_escape], 1);
1595  } else if ((unsigned char)*p < 32) {
1596  av_bprintf(dst, "\\u00%02x", *p & 0xff);
1597  } else {
1598  av_bprint_chars(dst, *p, 1);
1599  }
1600  }
1601  return dst->str;
1602 }
1603 
1604 #define JSON_INDENT() writer_printf(wctx, "%*c", json->indent_level * 4, ' ')
1605 
1606 static void json_print_section_header(WriterContext *wctx)
1607 {
1608  JSONContext *json = wctx->priv;
1609  AVBPrint buf;
1610  const struct section *section = wctx->section[wctx->level];
1611  const struct section *parent_section = wctx->level ?
1612  wctx->section[wctx->level-1] : NULL;
1613 
1614  if (wctx->level && wctx->nb_item[wctx->level-1])
1615  writer_put_str(wctx, ",\n");
1616 
1617  if (section->flags & SECTION_FLAG_IS_WRAPPER) {
1618  writer_put_str(wctx, "{\n");
1619  json->indent_level++;
1620  } else {
1621  av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1622  json_escape_str(&buf, section->name, wctx);
1623  JSON_INDENT();
1624 
1625  json->indent_level++;
1626  if (section->flags & SECTION_FLAG_IS_ARRAY) {
1627  writer_printf(wctx, "\"%s\": [\n", buf.str);
1628  } else if (parent_section && !(parent_section->flags & SECTION_FLAG_IS_ARRAY)) {
1629  writer_printf(wctx, "\"%s\": {%s", buf.str, json->item_start_end);
1630  } else {
1631  writer_printf(wctx, "{%s", json->item_start_end);
1632 
1633  /* this is required so the parser can distinguish between packets and frames */
1634  if (parent_section && parent_section->id == SECTION_ID_PACKETS_AND_FRAMES) {
1635  if (!json->compact)
1636  JSON_INDENT();
1637  writer_printf(wctx, "\"type\": \"%s\"", section->name);
1638  wctx->nb_item[wctx->level]++;
1639  }
1640  }
1641  av_bprint_finalize(&buf, NULL);
1642  }
1643 }
1644 
1645 static void json_print_section_footer(WriterContext *wctx)
1646 {
1647  JSONContext *json = wctx->priv;
1648  const struct section *section = wctx->section[wctx->level];
1649 
1650  if (wctx->level == 0) {
1651  json->indent_level--;
1652  writer_put_str(wctx, "\n}\n");
1653  } else if (section->flags & SECTION_FLAG_IS_ARRAY) {
1654  writer_w8(wctx, '\n');
1655  json->indent_level--;
1656  JSON_INDENT();
1657  writer_w8(wctx, ']');
1658  } else {
1659  writer_put_str(wctx, json->item_start_end);
1660  json->indent_level--;
1661  if (!json->compact)
1662  JSON_INDENT();
1663  writer_w8(wctx, '}');
1664  }
1665 }
1666 
1667 static inline void json_print_item_str(WriterContext *wctx,
1668  const char *key, const char *value)
1669 {
1670  AVBPrint buf;
1671 
1672  av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1673  writer_printf(wctx, "\"%s\":", json_escape_str(&buf, key, wctx));
1674  av_bprint_clear(&buf);
1675  writer_printf(wctx, " \"%s\"", json_escape_str(&buf, value, wctx));
1676  av_bprint_finalize(&buf, NULL);
1677 }
1678 
1679 static void json_print_str(WriterContext *wctx, const char *key, const char *value)
1680 {
1681  JSONContext *json = wctx->priv;
1682  const struct section *parent_section = wctx->level ?
1683  wctx->section[wctx->level-1] : NULL;
1684 
1685  if (wctx->nb_item[wctx->level] || (parent_section && parent_section->id == SECTION_ID_PACKETS_AND_FRAMES))
1686  writer_put_str(wctx, json->item_sep);
1687  if (!json->compact)
1688  JSON_INDENT();
1689  json_print_item_str(wctx, key, value);
1690 }
1691 
1692 static void json_print_int(WriterContext *wctx, const char *key, long long int value)
1693 {
1694  JSONContext *json = wctx->priv;
1695  const struct section *parent_section = wctx->level ?
1696  wctx->section[wctx->level-1] : NULL;
1697  AVBPrint buf;
1698 
1699  if (wctx->nb_item[wctx->level] || (parent_section && parent_section->id == SECTION_ID_PACKETS_AND_FRAMES))
1700  writer_put_str(wctx, json->item_sep);
1701  if (!json->compact)
1702  JSON_INDENT();
1703 
1704  av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1705  writer_printf(wctx, "\"%s\": %lld", json_escape_str(&buf, key, wctx), value);
1706  av_bprint_finalize(&buf, NULL);
1707 }
1708 
1709 static const Writer json_writer = {
1710  .name = "json",
1711  .priv_size = sizeof(JSONContext),
1712  .init = json_init,
1713  .print_section_header = json_print_section_header,
1714  .print_section_footer = json_print_section_footer,
1715  .print_integer = json_print_int,
1716  .print_string = json_print_str,
1717  .flags = WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,
1718  .priv_class = &json_class,
1719 };
1720 
1721 /* XML output */
1722 
1723 typedef struct XMLContext {
1724  const AVClass *class;
1725  int within_tag;
1726  int indent_level;
1727  int fully_qualified;
1728  int xsd_strict;
1729 } XMLContext;
1730 
1731 #undef OFFSET
1732 #define OFFSET(x) offsetof(XMLContext, x)
1733 
1734 static const AVOption xml_options[] = {
1735  {"fully_qualified", "specify if the output should be fully qualified", OFFSET(fully_qualified), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
1736  {"q", "specify if the output should be fully qualified", OFFSET(fully_qualified), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
1737  {"xsd_strict", "ensure that the output is XSD compliant", OFFSET(xsd_strict), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
1738  {"x", "ensure that the output is XSD compliant", OFFSET(xsd_strict), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
1739  {NULL},
1740 };
1741 
1742 DEFINE_WRITER_CLASS(xml);
1743 
1744 static av_cold int xml_init(WriterContext *wctx)
1745 {
1746  XMLContext *xml = wctx->priv;
1747 
1748  if (xml->xsd_strict) {
1749  xml->fully_qualified = 1;
1750 #define CHECK_COMPLIANCE(opt, opt_name) \
1751  if (opt) { \
1752  av_log(wctx, AV_LOG_ERROR, \
1753  "XSD-compliant output selected but option '%s' was selected, XML output may be non-compliant.\n" \
1754  "You need to disable such option with '-no%s'\n", opt_name, opt_name); \
1755  return AVERROR(EINVAL); \
1756  }
1757  CHECK_COMPLIANCE(show_private_data, "private");
1758  CHECK_COMPLIANCE(show_value_unit, "unit");
1759  CHECK_COMPLIANCE(use_value_prefix, "prefix");
1760  }
1761 
1762  return 0;
1763 }
1764 
1765 #define XML_INDENT() writer_printf(wctx, "%*c", xml->indent_level * 4, ' ')
1766 
1767 static void xml_print_section_header(WriterContext *wctx)
1768 {
1769  XMLContext *xml = wctx->priv;
1770  const struct section *section = wctx->section[wctx->level];
1771  const struct section *parent_section = wctx->level ?
1772  wctx->section[wctx->level-1] : NULL;
1773 
1774  if (wctx->level == 0) {
1775  const char *qual = " xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" "
1776  "xmlns:ffprobe=\"http://www.ffmpeg.org/schema/ffprobe\" "
1777  "xsi:schemaLocation=\"http://www.ffmpeg.org/schema/ffprobe ffprobe.xsd\"";
1778 
1779  writer_put_str(wctx, "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");
1780  writer_printf(wctx, "<%sffprobe%s>\n",
1781  xml->fully_qualified ? "ffprobe:" : "",
1782  xml->fully_qualified ? qual : "");
1783  return;
1784  }
1785 
1786  if (xml->within_tag) {
1787  xml->within_tag = 0;
1788  writer_put_str(wctx, ">\n");
1789  }
1790  if (section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS) {
1791  xml->indent_level++;
1792  } else {
1793  if (parent_section && (parent_section->flags & SECTION_FLAG_IS_WRAPPER) &&
1794  wctx->level && wctx->nb_item[wctx->level-1])
1795  writer_w8(wctx, '\n');
1796  xml->indent_level++;
1797 
1798  if (section->flags & SECTION_FLAG_IS_ARRAY) {
1799  XML_INDENT(); writer_printf(wctx, "<%s>\n", section->name);
1800  } else {
1801  XML_INDENT(); writer_printf(wctx, "<%s ", section->name);
1802  xml->within_tag = 1;
1803  }
1804  }
1805 }
1806 
1807 static void xml_print_section_footer(WriterContext *wctx)
1808 {
1809  XMLContext *xml = wctx->priv;
1810  const struct section *section = wctx->section[wctx->level];
1811 
1812  if (wctx->level == 0) {
1813  writer_printf(wctx, "</%sffprobe>\n", xml->fully_qualified ? "ffprobe:" : "");
1814  } else if (xml->within_tag) {
1815  xml->within_tag = 0;
1816  writer_put_str(wctx, "/>\n");
1817  xml->indent_level--;
1818  } else if (section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS) {
1819  xml->indent_level--;
1820  } else {
1821  XML_INDENT(); writer_printf(wctx, "</%s>\n", section->name);
1822  xml->indent_level--;
1823  }
1824 }
1825 
1826 static void xml_print_str(WriterContext *wctx, const char *key, const char *value)
1827 {
1828  AVBPrint buf;
1829  XMLContext *xml = wctx->priv;
1830  const struct section *section = wctx->section[wctx->level];
1831 
1832  av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1833 
1834  if (section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS) {
1835  XML_INDENT();
1836  av_bprint_escape(&buf, key, NULL,
1837  AV_ESCAPE_MODE_XML, AV_ESCAPE_FLAG_XML_DOUBLE_QUOTES);
1838  writer_printf(wctx, "<%s key=\"%s\"",
1839  section->element_name, buf.str);
1840  av_bprint_clear(&buf);
1841 
1842  av_bprint_escape(&buf, value, NULL,
1843  AV_ESCAPE_MODE_XML, AV_ESCAPE_FLAG_XML_DOUBLE_QUOTES);
1844  writer_printf(wctx, " value=\"%s\"/>\n", buf.str);
1845  } else {
1846  if (wctx->nb_item[wctx->level])
1847  writer_w8(wctx, ' ');
1848 
1849  av_bprint_escape(&buf, value, NULL,
1850  AV_ESCAPE_MODE_XML, AV_ESCAPE_FLAG_XML_DOUBLE_QUOTES);
1851  writer_printf(wctx, "%s=\"%s\"", key, buf.str);
1852  }
1853 
1854  av_bprint_finalize(&buf, NULL);
1855 }
1856 
1857 static void xml_print_int(WriterContext *wctx, const char *key, long long int value)
1858 {
1859  if (wctx->nb_item[wctx->level])
1860  writer_w8(wctx, ' ');
1861  writer_printf(wctx, "%s=\"%lld\"", key, value);
1862 }
1863 
1864 static Writer xml_writer = {
1865  .name = "xml",
1866  .priv_size = sizeof(XMLContext),
1867  .init = xml_init,
1868  .print_section_header = xml_print_section_header,
1869  .print_section_footer = xml_print_section_footer,
1870  .print_integer = xml_print_int,
1871  .print_string = xml_print_str,
1872  .flags = WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,
1873  .priv_class = &xml_class,
1874 };
1875 
1876 static void writer_register_all(void)
1877 {
1878  static int initialized;
1879 
1880  if (initialized)
1881  return;
1882  initialized = 1;
1883 
1884  writer_register(&default_writer);
1885  writer_register(&compact_writer);
1886  writer_register(&csv_writer);
1887  writer_register(&flat_writer);
1888  writer_register(&ini_writer);
1889  writer_register(&json_writer);
1890  writer_register(&xml_writer);
1891 }
1892 
1893 #define print_fmt(k, f, ...) do { \
1894  av_bprint_clear(&pbuf); \
1895  av_bprintf(&pbuf, f, __VA_ARGS__); \
1896  writer_print_string(w, k, pbuf.str, 0); \
1897 } while (0)
1898 
1899 #define print_list_fmt(k, f, n, ...) do { \
1900  av_bprint_clear(&pbuf); \
1901  for (int idx = 0; idx < n; idx++) { \
1902  if (idx > 0) \
1903  av_bprint_chars(&pbuf, ' ', 1); \
1904  av_bprintf(&pbuf, f, __VA_ARGS__); \
1905  } \
1906  writer_print_string(w, k, pbuf.str, 0); \
1907 } while (0)
1908 
1909 #define print_int(k, v) writer_print_integer(w, k, v)
1910 #define print_q(k, v, s) writer_print_rational(w, k, v, s)
1911 #define print_str(k, v) writer_print_string(w, k, v, 0)
1912 #define print_str_opt(k, v) writer_print_string(w, k, v, PRINT_STRING_OPT)
1913 #define print_str_validate(k, v) writer_print_string(w, k, v, PRINT_STRING_VALIDATE)
1914 #define print_time(k, v, tb) writer_print_time(w, k, v, tb, 0)
1915 #define print_ts(k, v) writer_print_ts(w, k, v, 0)
1916 #define print_duration_time(k, v, tb) writer_print_time(w, k, v, tb, 1)
1917 #define print_duration_ts(k, v) writer_print_ts(w, k, v, 1)
1918 #define print_val(k, v, u) do { \
1919  struct unit_value uv; \
1920  uv.val.i = v; \
1921  uv.unit = u; \
1922  writer_print_string(w, k, value_string(val_str, sizeof(val_str), uv), 0); \
1923 } while (0)
1924 
1925 #define print_section_header(s) writer_print_section_header(w, s)
1926 #define print_section_footer(s) writer_print_section_footer(w, s)
1927 
1928 #define REALLOCZ_ARRAY_STREAM(ptr, cur_n, new_n) \
1929 { \
1930  ret = av_reallocp_array(&(ptr), (new_n), sizeof(*(ptr))); \
1931  if (ret < 0) \
1932  goto end; \
1933  memset( (ptr) + (cur_n), 0, ((new_n) - (cur_n)) * sizeof(*(ptr)) ); \
1934 }
1935 
1936 static inline int show_tags(WriterContext *w, AVDictionary *tags, int section_id)
1937 {
1938  const AVDictionaryEntry *tag = NULL;
1939  int ret = 0;
1940 
1941  if (!tags)
1942  return 0;
1943  writer_print_section_header(w, section_id);
1944 
1945  while ((tag = av_dict_get(tags, "", tag, AV_DICT_IGNORE_SUFFIX))) {
1946  if ((ret = print_str_validate(tag->key, tag->value)) < 0)
1947  break;
1948  }
1949  writer_print_section_footer(w);
1950 
1951  return ret;
1952 }
1953 
1954 static void print_dovi_metadata(WriterContext *w, const AVDOVIMetadata *dovi)
1955 {
1956  if (!dovi)
1957  return;
1958 
1959  {
1960  const AVDOVIRpuDataHeader *hdr = av_dovi_get_header(dovi);
1961  const AVDOVIDataMapping *mapping = av_dovi_get_mapping(dovi);
1962  const AVDOVIColorMetadata *color = av_dovi_get_color(dovi);
1963  AVBPrint pbuf;
1964 
1965  av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
1966 
1967  // header
1968  print_int("rpu_type", hdr->rpu_type);
1969  print_int("rpu_format", hdr->rpu_format);
1970  print_int("vdr_rpu_profile", hdr->vdr_rpu_profile);
1971  print_int("vdr_rpu_level", hdr->vdr_rpu_level);
1972  print_int("chroma_resampling_explicit_filter_flag",
1973  hdr->chroma_resampling_explicit_filter_flag);
1974  print_int("coef_data_type", hdr->coef_data_type);
1975  print_int("coef_log2_denom", hdr->coef_log2_denom);
1976  print_int("vdr_rpu_normalized_idc", hdr->vdr_rpu_normalized_idc);
1977  print_int("bl_video_full_range_flag", hdr->bl_video_full_range_flag);
1978  print_int("bl_bit_depth", hdr->bl_bit_depth);
1979  print_int("el_bit_depth", hdr->el_bit_depth);
1980  print_int("vdr_bit_depth", hdr->vdr_bit_depth);
1981  print_int("spatial_resampling_filter_flag",
1982  hdr->spatial_resampling_filter_flag);
1983  print_int("el_spatial_resampling_filter_flag",
1984  hdr->el_spatial_resampling_filter_flag);
1985  print_int("disable_residual_flag", hdr->disable_residual_flag);
1986 
1987  // data mapping values
1988  print_int("vdr_rpu_id", mapping->vdr_rpu_id);
1989  print_int("mapping_color_space", mapping->mapping_color_space);
1990  print_int("mapping_chroma_format_idc",
1991  mapping->mapping_chroma_format_idc);
1992 
1993  print_int("nlq_method_idc", mapping->nlq_method_idc);
1994  switch (mapping->nlq_method_idc) {
1995  case AV_DOVI_NLQ_NONE:
1996  print_str("nlq_method_idc_name", "none");
1997  break;
1998  case AV_DOVI_NLQ_LINEAR_DZ:
1999  print_str("nlq_method_idc_name", "linear_dz");
2000  break;
2001  default:
2002  print_str("nlq_method_idc_name", "unknown");
2003  break;
2004  }
2005 
2006  print_int("num_x_partitions", mapping->num_x_partitions);
2007  print_int("num_y_partitions", mapping->num_y_partitions);
2008 
2009  writer_print_section_header(w, SECTION_ID_FRAME_SIDE_DATA_COMPONENT_LIST);
2010 
2011  for (int c = 0; c < 3; c++) {
2012  const AVDOVIReshapingCurve *curve = &mapping->curves[c];
2013  writer_print_section_header(w, SECTION_ID_FRAME_SIDE_DATA_COMPONENT);
2014 
2015  print_list_fmt("pivots", "%"PRIu16, curve->num_pivots, curve->pivots[idx]);
2016 
2017  writer_print_section_header(w, SECTION_ID_FRAME_SIDE_DATA_PIECE_LIST);
2018  for (int i = 0; i < curve->num_pivots - 1; i++) {
2019 
2020  writer_print_section_header(w, SECTION_ID_FRAME_SIDE_DATA_PIECE);
2021  print_int("mapping_idc", curve->mapping_idc[i]);
2022  switch (curve->mapping_idc[i]) {
2023  case AV_DOVI_MAPPING_POLYNOMIAL:
2024  print_str("mapping_idc_name", "polynomial");
2025  print_int("poly_order", curve->poly_order[i]);
2026  print_list_fmt("poly_coef", "%"PRIi64,
2027  curve->poly_order[i] + 1,
2028  curve->poly_coef[i][idx]);
2029  break;
2030  case AV_DOVI_MAPPING_MMR:
2031  print_str("mapping_idc_name", "mmr");
2032  print_int("mmr_order", curve->mmr_order[i]);
2033  print_int("mmr_constant", curve->mmr_constant[i]);
2034  print_list_fmt("mmr_coef", "%"PRIi64,
2035  curve->mmr_order[i] * 7,
2036  curve->mmr_coef[i][0][idx]);
2037  break;
2038  default:
2039  print_str("mapping_idc_name", "unknown");
2040  break;
2041  }
2042 
2043  // SECTION_ID_FRAME_SIDE_DATA_PIECE
2044  writer_print_section_footer(w);
2045  }
2046 
2047  // SECTION_ID_FRAME_SIDE_DATA_PIECE_LIST
2048  writer_print_section_footer(w);
2049 
2050  if (mapping->nlq_method_idc != AV_DOVI_NLQ_NONE) {
2051  const AVDOVINLQParams *nlq = &mapping->nlq[c];
2052  print_int("nlq_offset", nlq->nlq_offset);
2053  print_int("vdr_in_max", nlq->vdr_in_max);
2054 
2055  switch (mapping->nlq_method_idc) {
2056  case AV_DOVI_NLQ_LINEAR_DZ:
2057  print_int("linear_deadzone_slope", nlq->linear_deadzone_slope);
2058  print_int("linear_deadzone_threshold", nlq->linear_deadzone_threshold);
2059  break;
2060  }
2061  }
2062 
2063  // SECTION_ID_FRAME_SIDE_DATA_COMPONENT
2064  writer_print_section_footer(w);
2065  }
2066 
2067  // SECTION_ID_FRAME_SIDE_DATA_COMPONENT_LIST
2068  writer_print_section_footer(w);
2069 
2070  // color metadata
2071  print_int("dm_metadata_id", color->dm_metadata_id);
2072  print_int("scene_refresh_flag", color->scene_refresh_flag);
2073  print_list_fmt("ycc_to_rgb_matrix", "%d/%d",
2074  FF_ARRAY_ELEMS(color->ycc_to_rgb_matrix),
2075  color->ycc_to_rgb_matrix[idx].num,
2076  color->ycc_to_rgb_matrix[idx].den);
2077  print_list_fmt("ycc_to_rgb_offset", "%d/%d",
2078  FF_ARRAY_ELEMS(color->ycc_to_rgb_offset),
2079  color->ycc_to_rgb_offset[idx].num,
2080  color->ycc_to_rgb_offset[idx].den);
2081  print_list_fmt("rgb_to_lms_matrix", "%d/%d",
2082  FF_ARRAY_ELEMS(color->rgb_to_lms_matrix),
2083  color->rgb_to_lms_matrix[idx].num,
2084  color->rgb_to_lms_matrix[idx].den);
2085  print_int("signal_eotf", color->signal_eotf);
2086  print_int("signal_eotf_param0", color->signal_eotf_param0);
2087  print_int("signal_eotf_param1", color->signal_eotf_param1);
2088  print_int("signal_eotf_param2", color->signal_eotf_param2);
2089  print_int("signal_bit_depth", color->signal_bit_depth);
2090  print_int("signal_color_space", color->signal_color_space);
2091  print_int("signal_chroma_format", color->signal_chroma_format);
2092  print_int("signal_full_range_flag", color->signal_full_range_flag);
2093  print_int("source_min_pq", color->source_min_pq);
2094  print_int("source_max_pq", color->source_max_pq);
2095  print_int("source_diagonal", color->source_diagonal);
2096 
2097  av_bprint_finalize(&pbuf, NULL);
2098  }
2099 }
2100 
2101 static void print_dynamic_hdr10_plus(WriterContext *w, const AVDynamicHDRPlus *metadata)
2102 {
2103  if (!metadata)
2104  return;
2105  print_int("application version", metadata->application_version);
2106  print_int("num_windows", metadata->num_windows);
2107  for (int n = 1; n < metadata->num_windows; n++) {
2108  const AVHDRPlusColorTransformParams *params = &metadata->params[n];
2109  print_q("window_upper_left_corner_x",
2110  params->window_upper_left_corner_x,'/');
2111  print_q("window_upper_left_corner_y",
2112  params->window_upper_left_corner_y,'/');
2113  print_q("window_lower_right_corner_x",
2114  params->window_lower_right_corner_x,'/');
2115  print_q("window_lower_right_corner_y",
2116  params->window_lower_right_corner_y,'/');
2117  print_q("window_upper_left_corner_x",
2118  params->window_upper_left_corner_x,'/');
2119  print_q("window_upper_left_corner_y",
2120  params->window_upper_left_corner_y,'/');
2121  print_int("center_of_ellipse_x",
2122  params->center_of_ellipse_x ) ;
2123  print_int("center_of_ellipse_y",
2124  params->center_of_ellipse_y );
2125  print_int("rotation_angle",
2126  params->rotation_angle);
2127  print_int("semimajor_axis_internal_ellipse",
2128  params->semimajor_axis_internal_ellipse);
2129  print_int("semimajor_axis_external_ellipse",
2130  params->semimajor_axis_external_ellipse);
2131  print_int("semiminor_axis_external_ellipse",
2132  params->semiminor_axis_external_ellipse);
2133  print_int("overlap_process_option",
2134  params->overlap_process_option);
2135  }
2136  print_q("targeted_system_display_maximum_luminance",
2137  metadata->targeted_system_display_maximum_luminance,'/');
2138  if (metadata->targeted_system_display_actual_peak_luminance_flag) {
2139  print_int("num_rows_targeted_system_display_actual_peak_luminance",
2140  metadata->num_rows_targeted_system_display_actual_peak_luminance);
2141  print_int("num_cols_targeted_system_display_actual_peak_luminance",
2142  metadata->num_cols_targeted_system_display_actual_peak_luminance);
2143  for (int i = 0; i < metadata->num_rows_targeted_system_display_actual_peak_luminance; i++) {
2144  for (int j = 0; j < metadata->num_cols_targeted_system_display_actual_peak_luminance; j++) {
2145  print_q("targeted_system_display_actual_peak_luminance",
2146  metadata->targeted_system_display_actual_peak_luminance[i][j],'/');
2147  }
2148  }
2149  }
2150  for (int n = 0; n < metadata->num_windows; n++) {
2151  const AVHDRPlusColorTransformParams *params = &metadata->params[n];
2152  for (int i = 0; i < 3; i++) {
2153  print_q("maxscl",params->maxscl[i],'/');
2154  }
2155  print_q("average_maxrgb",
2156  params->average_maxrgb,'/');
2157  print_int("num_distribution_maxrgb_percentiles",
2158  params->num_distribution_maxrgb_percentiles);
2159  for (int i = 0; i < params->num_distribution_maxrgb_percentiles; i++) {
2160  print_int("distribution_maxrgb_percentage",
2161  params->distribution_maxrgb[i].percentage);
2162  print_q("distribution_maxrgb_percentile",
2163  params->distribution_maxrgb[i].percentile,'/');
2164  }
2165  print_q("fraction_bright_pixels",
2166  params->fraction_bright_pixels,'/');
2167  }
2168  if (metadata->mastering_display_actual_peak_luminance_flag) {
2169  print_int("num_rows_mastering_display_actual_peak_luminance",
2170  metadata->num_rows_mastering_display_actual_peak_luminance);
2171  print_int("num_cols_mastering_display_actual_peak_luminance",
2172  metadata->num_cols_mastering_display_actual_peak_luminance);
2173  for (int i = 0; i < metadata->num_rows_mastering_display_actual_peak_luminance; i++) {
2174  for (int j = 0; j < metadata->num_cols_mastering_display_actual_peak_luminance; j++) {
2175  print_q("mastering_display_actual_peak_luminance",
2176  metadata->mastering_display_actual_peak_luminance[i][j],'/');
2177  }
2178  }
2179  }
2180 
2181  for (int n = 0; n < metadata->num_windows; n++) {
2182  const AVHDRPlusColorTransformParams *params = &metadata->params[n];
2183  if (params->tone_mapping_flag) {
2184  print_q("knee_point_x", params->knee_point_x,'/');
2185  print_q("knee_point_y", params->knee_point_y,'/');
2186  print_int("num_bezier_curve_anchors",
2187  params->num_bezier_curve_anchors );
2188  for (int i = 0; i < params->num_bezier_curve_anchors; i++) {
2189  print_q("bezier_curve_anchors",
2190  params->bezier_curve_anchors[i],'/');
2191  }
2192  }
2193  if (params->color_saturation_mapping_flag) {
2194  print_q("color_saturation_weight",
2195  params->color_saturation_weight,'/');
2196  }
2197  }
2198 }
2199 
2200 static void print_dynamic_hdr_vivid(WriterContext *w, const AVDynamicHDRVivid *metadata)
2201 {
2202  if (!metadata)
2203  return;
2204  print_int("system_start_code", metadata->system_start_code);
2205  print_int("num_windows", metadata->num_windows);
2206 
2207  for (int n = 0; n < metadata->num_windows; n++) {
2208  const AVHDRVividColorTransformParams *params = &metadata->params[n];
2209 
2210  print_q("minimum_maxrgb", params->minimum_maxrgb, '/');
2211  print_q("average_maxrgb", params->average_maxrgb, '/');
2212  print_q("variance_maxrgb", params->variance_maxrgb, '/');
2213  print_q("maximum_maxrgb", params->maximum_maxrgb, '/');
2214  }
2215 
2216  for (int n = 0; n < metadata->num_windows; n++) {
2217  const AVHDRVividColorTransformParams *params = &metadata->params[n];
2218 
2219  print_int("tone_mapping_mode_flag", params->tone_mapping_mode_flag);
2220  print_int("tone_mapping_param_num", params->tone_mapping_param_num);
2221  if (params->tone_mapping_mode_flag) {
2222  for (int i = 0; i < params->tone_mapping_param_num; i++) {
2223  const AVHDRVividColorToneMappingParams *tm_params = &params->tm_params[i];
2224 
2225  print_q("targeted_system_display_maximum_luminance",
2226  tm_params->targeted_system_display_maximum_luminance, '/');
2227  print_int("base_enable_flag", tm_params->base_enable_flag);
2228  if (tm_params->base_enable_flag) {
2229  print_q("base_param_m_p", tm_params->base_param_m_p, '/');
2230  print_q("base_param_m_m", tm_params->base_param_m_m, '/');
2231  print_q("base_param_m_a", tm_params->base_param_m_a, '/');
2232  print_q("base_param_m_b", tm_params->base_param_m_b, '/');
2233  print_q("base_param_m_n", tm_params->base_param_m_n, '/');
2234 
2235  print_int("base_param_k1", tm_params->base_param_k1);
2236  print_int("base_param_k2", tm_params->base_param_k2);
2237  print_int("base_param_k3", tm_params->base_param_k3);
2238  print_int("base_param_Delta_enable_mode",
2239  tm_params->base_param_Delta_enable_mode);
2240  print_q("base_param_Delta", tm_params->base_param_Delta, '/');
2241  }
2242  print_int("3Spline_enable_flag", tm_params->three_Spline_enable_flag);
2243  if (tm_params->three_Spline_enable_flag) {
2244  print_int("3Spline_num", tm_params->three_Spline_num);
2245  print_int("3Spline_TH_mode", tm_params->three_Spline_TH_mode);
2246 
2247  for (int j = 0; j < tm_params->three_Spline_num; j++) {
2248  print_q("3Spline_TH_enable_MB", tm_params->three_Spline_TH_enable_MB, '/');
2249  print_q("3Spline_TH_enable", tm_params->three_Spline_TH_enable, '/');
2250  print_q("3Spline_TH_Delta1", tm_params->three_Spline_TH_Delta1, '/');
2251  print_q("3Spline_TH_Delta2", tm_params->three_Spline_TH_Delta2, '/');
2252  print_q("3Spline_enable_Strength", tm_params->three_Spline_enable_Strength, '/');
2253  }
2254  }
2255  }
2256  }
2257 
2258  print_int("color_saturation_mapping_flag", params->color_saturation_mapping_flag);
2259  if (params->color_saturation_mapping_flag) {
2260  print_int("color_saturation_num", params->color_saturation_num);
2261  for (int i = 0; i < params->color_saturation_num; i++) {
2262  print_q("color_saturation_gain", params->color_saturation_gain[i], '/');
2263  }
2264  }
2265  }
2266 }
2267 
2268 static void print_pkt_side_data(WriterContext *w,
2269  AVCodecParameters *par,
2270  const AVPacketSideData *side_data,
2271  int nb_side_data,
2272  SectionID id_data_list,
2273  SectionID id_data)
2274 {
2275  int i;
2276 
2277  writer_print_section_header(w, id_data_list);
2278  for (i = 0; i < nb_side_data; i++) {
2279  const AVPacketSideData *sd = &side_data[i];
2280  const char *name = av_packet_side_data_name(sd->type);
2281 
2282  writer_print_section_header(w, id_data);
2283  print_str("side_data_type", name ? name : "unknown");
2284  if (sd->type == AV_PKT_DATA_DISPLAYMATRIX && sd->size >= 9*4) {
2285  writer_print_integers(w, "displaymatrix", sd->data, 9, " %11d", 3, 4, 1);
2286  print_int("rotation", av_display_rotation_get((int32_t *)sd->data));
2287  } else if (sd->type == AV_PKT_DATA_STEREO3D) {
2288  const AVStereo3D *stereo = (AVStereo3D *)sd->data;
2289  print_str("type", av_stereo3d_type_name(stereo->type));
2290  print_int("inverted", !!(stereo->flags & AV_STEREO3D_FLAG_INVERT));
2291  } else if (sd->type == AV_PKT_DATA_SPHERICAL) {
2292  const AVSphericalMapping *spherical = (AVSphericalMapping *)sd->data;
2293  print_str("projection", av_spherical_projection_name(spherical->projection));
2294  if (spherical->projection == AV_SPHERICAL_CUBEMAP) {
2295  print_int("padding", spherical->padding);
2296  } else if (spherical->projection == AV_SPHERICAL_EQUIRECTANGULAR_TILE) {
2297  size_t l, t, r, b;
2298  av_spherical_tile_bounds(spherical, par->width, par->height,
2299  &l, &t, &r, &b);
2300  print_int("bound_left", l);
2301  print_int("bound_top", t);
2302  print_int("bound_right", r);
2303  print_int("bound_bottom", b);
2304  }
2305 
2306  print_int("yaw", (double) spherical->yaw / (1 << 16));
2307  print_int("pitch", (double) spherical->pitch / (1 << 16));
2308  print_int("roll", (double) spherical->roll / (1 << 16));
2309  } else if (sd->type == AV_PKT_DATA_SKIP_SAMPLES && sd->size == 10) {
2310  print_int("skip_samples", AV_RL32(sd->data));
2311  print_int("discard_padding", AV_RL32(sd->data + 4));
2312  print_int("skip_reason", AV_RL8(sd->data + 8));
2313  print_int("discard_reason", AV_RL8(sd->data + 9));
2314  } else if (sd->type == AV_PKT_DATA_MASTERING_DISPLAY_METADATA) {
2315  AVMasteringDisplayMetadata *metadata = (AVMasteringDisplayMetadata *)sd->data;
2316 
2317  if (metadata->has_primaries) {
2318  print_q("red_x", metadata->display_primaries[0][0], '/');
2319  print_q("red_y", metadata->display_primaries[0][1], '/');
2320  print_q("green_x", metadata->display_primaries[1][0], '/');
2321  print_q("green_y", metadata->display_primaries[1][1], '/');
2322  print_q("blue_x", metadata->display_primaries[2][0], '/');
2323  print_q("blue_y", metadata->display_primaries[2][1], '/');
2324 
2325  print_q("white_point_x", metadata->white_point[0], '/');
2326  print_q("white_point_y", metadata->white_point[1], '/');
2327  }
2328 
2329  if (metadata->has_luminance) {
2330  print_q("min_luminance", metadata->min_luminance, '/');
2331  print_q("max_luminance", metadata->max_luminance, '/');
2332  }
2333  } else if (sd->type == AV_PKT_DATA_CONTENT_LIGHT_LEVEL) {
2334  AVContentLightMetadata *metadata = (AVContentLightMetadata *)sd->data;
2335  print_int("max_content", metadata->MaxCLL);
2336  print_int("max_average", metadata->MaxFALL);
2337  } else if (sd->type == AV_PKT_DATA_DOVI_CONF) {
2338  AVDOVIDecoderConfigurationRecord *dovi = (AVDOVIDecoderConfigurationRecord *)sd->data;
2339  print_int("dv_version_major", dovi->dv_version_major);
2340  print_int("dv_version_minor", dovi->dv_version_minor);
2341  print_int("dv_profile", dovi->dv_profile);
2342  print_int("dv_level", dovi->dv_level);
2343  print_int("rpu_present_flag", dovi->rpu_present_flag);
2344  print_int("el_present_flag", dovi->el_present_flag);
2345  print_int("bl_present_flag", dovi->bl_present_flag);
2346  print_int("dv_bl_signal_compatibility_id", dovi->dv_bl_signal_compatibility_id);
2347  } else if (sd->type == AV_PKT_DATA_AUDIO_SERVICE_TYPE) {
2348  enum AVAudioServiceType *t = (enum AVAudioServiceType *)sd->data;
2349  print_int("service_type", *t);
2350  } else if (sd->type == AV_PKT_DATA_MPEGTS_STREAM_ID) {
2351  print_int("id", *sd->data);
2352  } else if (sd->type == AV_PKT_DATA_CPB_PROPERTIES) {
2353  const AVCPBProperties *prop = (AVCPBProperties *)sd->data;
2354  print_int("max_bitrate", prop->max_bitrate);
2355  print_int("min_bitrate", prop->min_bitrate);
2356  print_int("avg_bitrate", prop->avg_bitrate);
2357  print_int("buffer_size", prop->buffer_size);
2358  print_int("vbv_delay", prop->vbv_delay);
2359  } else if (sd->type == AV_PKT_DATA_WEBVTT_IDENTIFIER ||
2360  sd->type == AV_PKT_DATA_WEBVTT_SETTINGS) {
2361  if (do_show_data)
2362  writer_print_data(w, "data", sd->data, sd->size);
2363  writer_print_data_hash(w, "data_hash", sd->data, sd->size);
2364  } else if (sd->type == AV_PKT_DATA_AFD && sd->size > 0) {
2365  print_int("active_format", *sd->data);
2366  }
2367  writer_print_section_footer(w);
2368  }
2369  writer_print_section_footer(w);
2370 }
2371 
2372 static void print_color_range(WriterContext *w, enum AVColorRange color_range)
2373 {
2374  const char *val = av_color_range_name(color_range);
2375  if (!val || color_range == AVCOL_RANGE_UNSPECIFIED) {
2376  print_str_opt("color_range", "unknown");
2377  } else {
2378  print_str("color_range", val);
2379  }
2380 }
2381 
2382 static void print_color_space(WriterContext *w, enum AVColorSpace color_space)
2383 {
2384  const char *val = av_color_space_name(color_space);
2385  if (!val || color_space == AVCOL_SPC_UNSPECIFIED) {
2386  print_str_opt("color_space", "unknown");
2387  } else {
2388  print_str("color_space", val);
2389  }
2390 }
2391 
2392 static void print_primaries(WriterContext *w, enum AVColorPrimaries color_primaries)
2393 {
2394  const char *val = av_color_primaries_name(color_primaries);
2395  if (!val || color_primaries == AVCOL_PRI_UNSPECIFIED) {
2396  print_str_opt("color_primaries", "unknown");
2397  } else {
2398  print_str("color_primaries", val);
2399  }
2400 }
2401 
2402 static void print_color_trc(WriterContext *w, enum AVColorTransferCharacteristic color_trc)
2403 {
2404  const char *val = av_color_transfer_name(color_trc);
2405  if (!val || color_trc == AVCOL_TRC_UNSPECIFIED) {
2406  print_str_opt("color_transfer", "unknown");
2407  } else {
2408  print_str("color_transfer", val);
2409  }
2410 }
2411 
2412 static void print_chroma_location(WriterContext *w, enum AVChromaLocation chroma_location)
2413 {
2414  const char *val = av_chroma_location_name(chroma_location);
2415  if (!val || chroma_location == AVCHROMA_LOC_UNSPECIFIED) {
2416  print_str_opt("chroma_location", "unspecified");
2417  } else {
2418  print_str("chroma_location", val);
2419  }
2420 }
2421 
2422 
2423 static void clear_log(int need_lock)
2424 {
2425  int i;
2426 
2427  if (need_lock)
2428  pthread_mutex_lock(&log_mutex);
2429  for (i=0; i<log_buffer_size; i++) {
2430  av_freep(&log_buffer[i].context_name);
2431  av_freep(&log_buffer[i].parent_name);
2432  av_freep(&log_buffer[i].log_message);
2433  }
2434  log_buffer_size = 0;
2435  if(need_lock)
2436  pthread_mutex_unlock(&log_mutex);
2437 }
2438 
2439 static int show_log(WriterContext *w, int section_ids, int section_id, int log_level)
2440 {
2441  int i;
2442  pthread_mutex_lock(&log_mutex);
2443  if (!log_buffer_size) {
2444  pthread_mutex_unlock(&log_mutex);
2445  return 0;
2446  }
2447  writer_print_section_header(w, section_ids);
2448 
2449  for (i=0; i<log_buffer_size; i++) {
2450  if (log_buffer[i].log_level <= log_level) {
2451  writer_print_section_header(w, section_id);
2452  print_str("context", log_buffer[i].context_name);
2453  print_int("level", log_buffer[i].log_level);
2454  print_int("category", log_buffer[i].category);
2455  if (log_buffer[i].parent_name) {
2456  print_str("parent_context", log_buffer[i].parent_name);
2457  print_int("parent_category", log_buffer[i].parent_category);
2458  } else {
2459  print_str_opt("parent_context", "N/A");
2460  print_str_opt("parent_category", "N/A");
2461  }
2462  print_str("message", log_buffer[i].log_message);
2463  writer_print_section_footer(w);
2464  }
2465  }
2466  clear_log(0);
2467  pthread_mutex_unlock(&log_mutex);
2468 
2469  writer_print_section_footer(w);
2470 
2471  return 0;
2472 }
2473 
2474 static void show_packet(WriterContext *w, InputFile *ifile, AVPacket *pkt, int packet_idx)
2475 {
2476  char val_str[128];
2477  AVStream *st = ifile->streams[pkt->stream_index].st;
2478  AVBPrint pbuf;
2479  const char *s;
2480 
2481  av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
2482 
2483  writer_print_section_header(w, SECTION_ID_PACKET);
2484 
2485  s = av_get_media_type_string(st->codecpar->codec_type);
2486  if (s) print_str ("codec_type", s);
2487  else print_str_opt("codec_type", "unknown");
2488  print_int("stream_index", pkt->stream_index);
2489  print_ts ("pts", pkt->pts);
2490  print_time("pts_time", pkt->pts, &st->time_base);
2491  print_ts ("dts", pkt->dts);
2492  print_time("dts_time", pkt->dts, &st->time_base);
2493  print_duration_ts("duration", pkt->duration);
2494  print_duration_time("duration_time", pkt->duration, &st->time_base);
2495  print_val("size", pkt->size, unit_byte_str);
2496  if (pkt->pos != -1) print_fmt ("pos", "%"PRId64, pkt->pos);
2497  else print_str_opt("pos", "N/A");
2498  print_fmt("flags", "%c%c", pkt->flags & AV_PKT_FLAG_KEY ? 'K' : '_',
2499  pkt->flags & AV_PKT_FLAG_DISCARD ? 'D' : '_');
2500 
2501  if (pkt->side_data_elems) {
2502  size_t size;
2503  const uint8_t *side_metadata;
2504 
2505  side_metadata = av_packet_get_side_data(pkt, AV_PKT_DATA_STRINGS_METADATA, &size);
2506  if (side_metadata && size && do_show_packet_tags) {
2507  AVDictionary *dict = NULL;
2508  if (av_packet_unpack_dictionary(side_metadata, size, &dict) >= 0)
2509  show_tags(w, dict, SECTION_ID_PACKET_TAGS);
2510  av_dict_free(&dict);
2511  }
2512 
2513  print_pkt_side_data(w, st->codecpar, pkt->side_data, pkt->side_data_elems,
2514  SECTION_ID_PACKET_SIDE_DATA_LIST,
2515  SECTION_ID_PACKET_SIDE_DATA);
2516  }
2517 
2518  if (do_show_data)
2519  writer_print_data(w, "data", pkt->data, pkt->size);
2520  writer_print_data_hash(w, "data_hash", pkt->data, pkt->size);
2521  writer_print_section_footer(w);
2522 
2523  av_bprint_finalize(&pbuf, NULL);
2524  fflush(stdout);
2525 }
2526 
2527 static void show_subtitle(WriterContext *w, AVSubtitle *sub, AVStream *stream,
2528  AVFormatContext *fmt_ctx)
2529 {
2530  AVBPrint pbuf;
2531 
2532  av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
2533 
2534  writer_print_section_header(w, SECTION_ID_SUBTITLE);
2535 
2536  print_str ("media_type", "subtitle");
2537  print_ts ("pts", sub->pts);
2538  print_time("pts_time", sub->pts, &AV_TIME_BASE_Q);
2539  print_int ("format", sub->format);
2540  print_int ("start_display_time", sub->start_display_time);
2541  print_int ("end_display_time", sub->end_display_time);
2542  print_int ("num_rects", sub->num_rects);
2543 
2544  writer_print_section_footer(w);
2545 
2546  av_bprint_finalize(&pbuf, NULL);
2547  fflush(stdout);
2548 }
2549 
2550 static void show_frame(WriterContext *w, AVFrame *frame, AVStream *stream,
2551  AVFormatContext *fmt_ctx)
2552 {
2553  AVBPrint pbuf;
2554  char val_str[128];
2555  const char *s;
2556  int i;
2557 
2558  av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
2559 
2560  writer_print_section_header(w, SECTION_ID_FRAME);
2561 
2562  s = av_get_media_type_string(stream->codecpar->codec_type);
2563  if (s) print_str ("media_type", s);
2564  else print_str_opt("media_type", "unknown");
2565  print_int("stream_index", stream->index);
2566  print_int("key_frame", frame->key_frame);
2567  print_ts ("pts", frame->pts);
2568  print_time("pts_time", frame->pts, &stream->time_base);
2569  print_ts ("pkt_dts", frame->pkt_dts);
2570  print_time("pkt_dts_time", frame->pkt_dts, &stream->time_base);
2571  print_ts ("best_effort_timestamp", frame->best_effort_timestamp);
2572  print_time("best_effort_timestamp_time", frame->best_effort_timestamp, &stream->time_base);
2573 #if LIBAVUTIL_VERSION_MAJOR < 58
2574  AV_NOWARN_DEPRECATED(
2575  print_duration_ts ("pkt_duration", frame->pkt_duration);
2576  print_duration_time("pkt_duration_time", frame->pkt_duration, &stream->time_base);
2577  )
2578 #endif
2579  print_duration_ts ("duration", frame->duration);
2580  print_duration_time("duration_time", frame->duration, &stream->time_base);
2581  if (frame->pkt_pos != -1) print_fmt ("pkt_pos", "%"PRId64, frame->pkt_pos);
2582  else print_str_opt("pkt_pos", "N/A");
2583  if (frame->pkt_size != -1) print_val ("pkt_size", frame->pkt_size, unit_byte_str);
2584  else print_str_opt("pkt_size", "N/A");
2585 
2586  switch (stream->codecpar->codec_type) {
2587  AVRational sar;
2588 
2589  case AVMEDIA_TYPE_VIDEO:
2590  print_int("width", frame->width);
2591  print_int("height", frame->height);
2592  s = av_get_pix_fmt_name(frame->format);
2593  if (s) print_str ("pix_fmt", s);
2594  else print_str_opt("pix_fmt", "unknown");
2595  sar = av_guess_sample_aspect_ratio(fmt_ctx, stream, frame);
2596  if (sar.num) {
2597  print_q("sample_aspect_ratio", sar, ':');
2598  } else {
2599  print_str_opt("sample_aspect_ratio", "N/A");
2600  }
2601  print_fmt("pict_type", "%c", av_get_picture_type_char(frame->pict_type));
2602  print_int("coded_picture_number", frame->coded_picture_number);
2603  print_int("display_picture_number", frame->display_picture_number);
2604  print_int("interlaced_frame", frame->interlaced_frame);
2605  print_int("top_field_first", frame->top_field_first);
2606  print_int("repeat_pict", frame->repeat_pict);
2607 
2608  print_color_range(w, frame->color_range);
2609  print_color_space(w, frame->colorspace);
2610  print_primaries(w, frame->color_primaries);
2611  print_color_trc(w, frame->color_trc);
2612  print_chroma_location(w, frame->chroma_location);
2613  break;
2614 
2615  case AVMEDIA_TYPE_AUDIO:
2616  s = av_get_sample_fmt_name(frame->format);
2617  if (s) print_str ("sample_fmt", s);
2618  else print_str_opt("sample_fmt", "unknown");
2619  print_int("nb_samples", frame->nb_samples);
2620  print_int("channels", frame->ch_layout.nb_channels);
2621  if (frame->ch_layout.order != AV_CHANNEL_ORDER_UNSPEC) {
2622  av_channel_layout_describe(&frame->ch_layout, val_str, sizeof(val_str));
2623  print_str ("channel_layout", val_str);
2624  } else
2625  print_str_opt("channel_layout", "unknown");
2626  break;
2627  }
2628  if (do_show_frame_tags)
2629  show_tags(w, frame->metadata, SECTION_ID_FRAME_TAGS);
2630  if (do_show_log)
2631  show_log(w, SECTION_ID_FRAME_LOGS, SECTION_ID_FRAME_LOG, do_show_log);
2632  if (frame->nb_side_data) {
2633  writer_print_section_header(w, SECTION_ID_FRAME_SIDE_DATA_LIST);
2634  for (i = 0; i < frame->nb_side_data; i++) {
2635  AVFrameSideData *sd = frame->side_data[i];
2636  const char *name;
2637 
2638  writer_print_section_header(w, SECTION_ID_FRAME_SIDE_DATA);
2639  name = av_frame_side_data_name(sd->type);
2640  print_str("side_data_type", name ? name : "unknown");
2641  if (sd->type == AV_FRAME_DATA_DISPLAYMATRIX && sd->size >= 9*4) {
2642  writer_print_integers(w, "displaymatrix", sd->data, 9, " %11d", 3, 4, 1);
2643  print_int("rotation", av_display_rotation_get((int32_t *)sd->data));
2644  } else if (sd->type == AV_FRAME_DATA_AFD && sd->size > 0) {
2645  print_int("active_format", *sd->data);
2646  } else if (sd->type == AV_FRAME_DATA_GOP_TIMECODE && sd->size >= 8) {
2647  char tcbuf[AV_TIMECODE_STR_SIZE];
2648  av_timecode_make_mpeg_tc_string(tcbuf, *(int64_t *)(sd->data));
2649  print_str("timecode", tcbuf);
2650  } else if (sd->type == AV_FRAME_DATA_S12M_TIMECODE && sd->size == 16) {
2651  uint32_t *tc = (uint32_t*)sd->data;
2652  int m = FFMIN(tc[0],3);
2653  writer_print_section_header(w, SECTION_ID_FRAME_SIDE_DATA_TIMECODE_LIST);
2654  for (int j = 1; j <= m ; j++) {
2655  char tcbuf[AV_TIMECODE_STR_SIZE];
2656  av_timecode_make_smpte_tc_string2(tcbuf, stream->avg_frame_rate, tc[j], 0, 0);
2657  writer_print_section_header(w, SECTION_ID_FRAME_SIDE_DATA_TIMECODE);
2658  print_str("value", tcbuf);
2659  writer_print_section_footer(w);
2660  }
2661  writer_print_section_footer(w);
2662  } else if (sd->type == AV_FRAME_DATA_MASTERING_DISPLAY_METADATA) {
2663  AVMasteringDisplayMetadata *metadata = (AVMasteringDisplayMetadata *)sd->data;
2664 
2665  if (metadata->has_primaries) {
2666  print_q("red_x", metadata->display_primaries[0][0], '/');
2667  print_q("red_y", metadata->display_primaries[0][1], '/');
2668  print_q("green_x", metadata->display_primaries[1][0], '/');
2669  print_q("green_y", metadata->display_primaries[1][1], '/');
2670  print_q("blue_x", metadata->display_primaries[2][0], '/');
2671  print_q("blue_y", metadata->display_primaries[2][1], '/');
2672 
2673  print_q("white_point_x", metadata->white_point[0], '/');
2674  print_q("white_point_y", metadata->white_point[1], '/');
2675  }
2676 
2677  if (metadata->has_luminance) {
2678  print_q("min_luminance", metadata->min_luminance, '/');
2679  print_q("max_luminance", metadata->max_luminance, '/');
2680  }
2681  } else if (sd->type == AV_FRAME_DATA_DYNAMIC_HDR_PLUS) {
2682  AVDynamicHDRPlus *metadata = (AVDynamicHDRPlus *)sd->data;
2683  print_dynamic_hdr10_plus(w, metadata);
2684  } else if (sd->type == AV_FRAME_DATA_CONTENT_LIGHT_LEVEL) {
2685  AVContentLightMetadata *metadata = (AVContentLightMetadata *)sd->data;
2686  print_int("max_content", metadata->MaxCLL);
2687  print_int("max_average", metadata->MaxFALL);
2688  } else if (sd->type == AV_FRAME_DATA_ICC_PROFILE) {
2689  const AVDictionaryEntry *tag = av_dict_get(sd->metadata, "name", NULL, AV_DICT_MATCH_CASE);
2690  if (tag)
2691  print_str(tag->key, tag->value);
2692  print_int("size", sd->size);
2693  } else if (sd->type == AV_FRAME_DATA_DOVI_METADATA) {
2694  print_dovi_metadata(w, (const AVDOVIMetadata *)sd->data);
2695  } else if (sd->type == AV_FRAME_DATA_DYNAMIC_HDR_VIVID) {
2696  AVDynamicHDRVivid *metadata = (AVDynamicHDRVivid *)sd->data;
2697  print_dynamic_hdr_vivid(w, metadata);
2698  }
2699  writer_print_section_footer(w);
2700  }
2701  writer_print_section_footer(w);
2702  }
2703 
2704  writer_print_section_footer(w);
2705 
2706  av_bprint_finalize(&pbuf, NULL);
2707  fflush(stdout);
2708 }
2709 
2710 static av_always_inline int process_frame(WriterContext *w,
2711  InputFile *ifile,
2712  AVFrame *frame, AVPacket *pkt,
2713  int *packet_new)
2714 {
2715  AVFormatContext *fmt_ctx = ifile->fmt_ctx;
2716  AVCodecContext *dec_ctx = ifile->streams[pkt->stream_index].dec_ctx;
2717  AVCodecParameters *par = ifile->streams[pkt->stream_index].st->codecpar;
2718  AVSubtitle sub;
2719  int ret = 0, got_frame = 0;
2720 
2721  clear_log(1);
2722  if (dec_ctx) {
2723  switch (par->codec_type) {
2724  case AVMEDIA_TYPE_VIDEO:
2725  case AVMEDIA_TYPE_AUDIO:
2726  if (*packet_new) {
2727  ret = avcodec_send_packet(dec_ctx, pkt);
2728  if (ret == AVERROR(EAGAIN)) {
2729  ret = 0;
2730  } else if (ret >= 0 || ret == AVERROR_EOF) {
2731  ret = 0;
2732  *packet_new = 0;
2733  }
2734  }
2735  if (ret >= 0) {
2736  ret = avcodec_receive_frame(dec_ctx, frame);
2737  if (ret >= 0) {
2738  got_frame = 1;
2739  } else if (ret == AVERROR(EAGAIN) || ret == AVERROR_EOF) {
2740  ret = 0;
2741  }
2742  }
2743  break;
2744 
2745  case AVMEDIA_TYPE_SUBTITLE:
2746  if (*packet_new)
2747  ret = avcodec_decode_subtitle2(dec_ctx, &sub, &got_frame, pkt);
2748  *packet_new = 0;
2749  break;
2750  default:
2751  *packet_new = 0;
2752  }
2753  } else {
2754  *packet_new = 0;
2755  }
2756 
2757  if (ret < 0)
2758  return ret;
2759  if (got_frame) {
2760  int is_sub = (par->codec_type == AVMEDIA_TYPE_SUBTITLE);
2761  nb_streams_frames[pkt->stream_index]++;
2762  if (do_show_frames)
2763  if (is_sub)
2764  show_subtitle(w, &sub, ifile->streams[pkt->stream_index].st, fmt_ctx);
2765  else
2766  show_frame(w, frame, ifile->streams[pkt->stream_index].st, fmt_ctx);
2767  if (is_sub)
2768  avsubtitle_free(&sub);
2769  }
2770  return got_frame || *packet_new;
2771 }
2772 
2773 static void log_read_interval(const ReadInterval *interval, void *log_ctx, int log_level)
2774 {
2775  av_log(log_ctx, log_level, "id:%d", interval->id);
2776 
2777  if (interval->has_start) {
2778  av_log(log_ctx, log_level, " start:%s%s", interval->start_is_offset ? "+" : "",
2779  av_ts2timestr(interval->start, &AV_TIME_BASE_Q));
2780  } else {
2781  av_log(log_ctx, log_level, " start:N/A");
2782  }
2783 
2784  if (interval->has_end) {
2785  av_log(log_ctx, log_level, " end:%s", interval->end_is_offset ? "+" : "");
2786  if (interval->duration_frames)
2787  av_log(log_ctx, log_level, "#%"PRId64, interval->end);
2788  else
2789  av_log(log_ctx, log_level, "%s", av_ts2timestr(interval->end, &AV_TIME_BASE_Q));
2790  } else {
2791  av_log(log_ctx, log_level, " end:N/A");
2792  }
2793 
2794  av_log(log_ctx, log_level, "\n");
2795 }
2796 
2797 static int read_interval_packets(WriterContext *w, InputFile *ifile,
2798  const ReadInterval *interval, int64_t *cur_ts)
2799 {
2800  AVFormatContext *fmt_ctx = ifile->fmt_ctx;
2801  AVPacket *pkt = NULL;
2802  AVFrame *frame = NULL;
2803  int ret = 0, i = 0, frame_count = 0;
2804  int64_t start = -INT64_MAX, end = interval->end;
2805  int has_start = 0, has_end = interval->has_end && !interval->end_is_offset;
2806 
2807  av_log(NULL, AV_LOG_VERBOSE, "Processing read interval ");
2808  log_read_interval(interval, NULL, AV_LOG_VERBOSE);
2809 
2810  if (interval->has_start) {
2811  int64_t target;
2812  if (interval->start_is_offset) {
2813  if (*cur_ts == AV_NOPTS_VALUE) {
2814  av_log(NULL, AV_LOG_ERROR,
2815  "Could not seek to relative position since current "
2816  "timestamp is not defined\n");
2817  ret = AVERROR(EINVAL);
2818  goto end;
2819  }
2820  target = *cur_ts + interval->start;
2821  } else {
2822  target = interval->start;
2823  }
2824 
2825  av_log(NULL, AV_LOG_VERBOSE, "Seeking to read interval start point %s\n",
2826  av_ts2timestr(target, &AV_TIME_BASE_Q));
2827  if ((ret = avformat_seek_file(fmt_ctx, -1, -INT64_MAX, target, INT64_MAX, 0)) < 0) {
2828  av_log(NULL, AV_LOG_ERROR, "Could not seek to position %"PRId64": %s\n",
2829  interval->start, av_err2str(ret));
2830  goto end;
2831  }
2832  }
2833 
2834  frame = av_frame_alloc();
2835  if (!frame) {
2836  ret = AVERROR(ENOMEM);
2837  goto end;
2838  }
2839  pkt = av_packet_alloc();
2840  if (!pkt) {
2841  ret = AVERROR(ENOMEM);
2842  goto end;
2843  }
2844  while (!av_read_frame(fmt_ctx, pkt)) {
2845  if (fmt_ctx->nb_streams > nb_streams) {
2846  REALLOCZ_ARRAY_STREAM(nb_streams_frames, nb_streams, fmt_ctx->nb_streams);
2847  REALLOCZ_ARRAY_STREAM(nb_streams_packets, nb_streams, fmt_ctx->nb_streams);
2848  REALLOCZ_ARRAY_STREAM(selected_streams, nb_streams, fmt_ctx->nb_streams);
2849  nb_streams = fmt_ctx->nb_streams;
2850  }
2851  if (selected_streams[pkt->stream_index]) {
2852  AVRational tb = ifile->streams[pkt->stream_index].st->time_base;
2853 
2854  if (pkt->pts != AV_NOPTS_VALUE)
2855  *cur_ts = av_rescale_q(pkt->pts, tb, AV_TIME_BASE_Q);
2856 
2857  if (!has_start && *cur_ts != AV_NOPTS_VALUE) {
2858  start = *cur_ts;
2859  has_start = 1;
2860  }
2861 
2862  if (has_start && !has_end && interval->end_is_offset) {
2863  end = start + interval->end;
2864  has_end = 1;
2865  }
2866 
2867  if (interval->end_is_offset && interval->duration_frames) {
2868  if (frame_count >= interval->end)
2869  break;
2870  } else if (has_end && *cur_ts != AV_NOPTS_VALUE && *cur_ts >= end) {
2871  break;
2872  }
2873 
2874  frame_count++;
2875  if (do_read_packets) {
2876  if (do_show_packets)
2877  show_packet(w, ifile, pkt, i++);
2878  nb_streams_packets[pkt->stream_index]++;
2879  }
2880  if (do_read_frames) {
2881  int packet_new = 1;
2882  while (process_frame(w, ifile, frame, pkt, &packet_new) > 0);
2883  }
2884  }
2885  av_packet_unref(pkt);
2886  }
2887  av_packet_unref(pkt);
2888  //Flush remaining frames that are cached in the decoder
2889  for (i = 0; i < fmt_ctx->nb_streams; i++) {
2890  pkt->stream_index = i;
2891  if (do_read_frames) {
2892  while (process_frame(w, ifile, frame, pkt, &(int){1}) > 0);
2893  if (ifile->streams[i].dec_ctx)
2894  avcodec_flush_buffers(ifile->streams[i].dec_ctx);
2895  }
2896  }
2897 
2898 end:
2899  av_frame_free(&frame);
2900  av_packet_free(&pkt);
2901  if (ret < 0) {
2902  av_log(NULL, AV_LOG_ERROR, "Could not read packets in interval ");
2903  log_read_interval(interval, NULL, AV_LOG_ERROR);
2904  }
2905  return ret;
2906 }
2907 
2908 static int read_packets(WriterContext *w, InputFile *ifile)
2909 {
2910  AVFormatContext *fmt_ctx = ifile->fmt_ctx;
2911  int i, ret = 0;
2912  int64_t cur_ts = fmt_ctx->start_time;
2913 
2914  if (read_intervals_nb == 0) {
2915  ReadInterval interval = (ReadInterval) { .has_start = 0, .has_end = 0 };
2916  ret = read_interval_packets(w, ifile, &interval, &cur_ts);
2917  } else {
2918  for (i = 0; i < read_intervals_nb; i++) {
2919  ret = read_interval_packets(w, ifile, &read_intervals[i], &cur_ts);
2920  if (ret < 0)
2921  break;
2922  }
2923  }
2924 
2925  return ret;
2926 }
2927 
2928 static int show_stream(WriterContext *w, AVFormatContext *fmt_ctx, int stream_idx, InputStream *ist, int in_program)
2929 {
2930  AVStream *stream = ist->st;
2931  AVCodecParameters *par;
2932  AVCodecContext *dec_ctx;
2933  char val_str[128];
2934  const char *s;
2935  AVRational sar, dar;
2936  AVBPrint pbuf;
2937  const AVCodecDescriptor *cd;
2938  int ret = 0;
2939  const char *profile = NULL;
2940 
2941  av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
2942 
2943  writer_print_section_header(w, in_program ? SECTION_ID_PROGRAM_STREAM : SECTION_ID_STREAM);
2944 
2945  print_int("index", stream->index);
2946 
2947  par = stream->codecpar;
2948  dec_ctx = ist->dec_ctx;
2949  if (cd = avcodec_descriptor_get(par->codec_id)) {
2950  print_str("codec_name", cd->name);
2951  if (!do_bitexact) {
2952  print_str("codec_long_name",
2953  cd->long_name ? cd->long_name : "unknown");
2954  }
2955  } else {
2956  print_str_opt("codec_name", "unknown");
2957  if (!do_bitexact) {
2958  print_str_opt("codec_long_name", "unknown");
2959  }
2960  }
2961 
2962  if (!do_bitexact && (profile = avcodec_profile_name(par->codec_id, par->profile)))
2963  print_str("profile", profile);
2964  else {
2965  if (par->profile != FF_PROFILE_UNKNOWN) {
2966  char profile_num[12];
2967  snprintf(profile_num, sizeof(profile_num), "%d", par->profile);
2968  print_str("profile", profile_num);
2969  } else
2970  print_str_opt("profile", "unknown");
2971  }
2972 
2973  s = av_get_media_type_string(par->codec_type);
2974  if (s) print_str ("codec_type", s);
2975  else print_str_opt("codec_type", "unknown");
2976 
2977  /* print AVI/FourCC tag */
2978  print_str("codec_tag_string", av_fourcc2str(par->codec_tag));
2979  print_fmt("codec_tag", "0x%04"PRIx32, par->codec_tag);
2980 
2981  switch (par->codec_type) {
2982  case AVMEDIA_TYPE_VIDEO:
2983  print_int("width", par->width);
2984  print_int("height", par->height);
2985  if (dec_ctx) {
2986  print_int("coded_width", dec_ctx->coded_width);
2987  print_int("coded_height", dec_ctx->coded_height);
2988  print_int("closed_captions", !!(dec_ctx->properties & FF_CODEC_PROPERTY_CLOSED_CAPTIONS));
2989  print_int("film_grain", !!(dec_ctx->properties & FF_CODEC_PROPERTY_FILM_GRAIN));
2990  }
2991  print_int("has_b_frames", par->video_delay);
2992  sar = av_guess_sample_aspect_ratio(fmt_ctx, stream, NULL);
2993  if (sar.num) {
2994  print_q("sample_aspect_ratio", sar, ':');
2995  av_reduce(&dar.num, &dar.den,
2996  par->width * sar.num,
2997  par->height * sar.den,
2998  1024*1024);
2999  print_q("display_aspect_ratio", dar, ':');
3000  } else {
3001  print_str_opt("sample_aspect_ratio", "N/A");
3002  print_str_opt("display_aspect_ratio", "N/A");
3003  }
3004  s = av_get_pix_fmt_name(par->format);
3005  if (s) print_str ("pix_fmt", s);
3006  else print_str_opt("pix_fmt", "unknown");
3007  print_int("level", par->level);
3008 
3009  print_color_range(w, par->color_range);
3010  print_color_space(w, par->color_space);
3011  print_color_trc(w, par->color_trc);
3012  print_primaries(w, par->color_primaries);
3013  print_chroma_location(w, par->chroma_location);
3014 
3015  if (par->field_order == AV_FIELD_PROGRESSIVE)
3016  print_str("field_order", "progressive");
3017  else if (par->field_order == AV_FIELD_TT)
3018  print_str("field_order", "tt");
3019  else if (par->field_order == AV_FIELD_BB)
3020  print_str("field_order", "bb");
3021  else if (par->field_order == AV_FIELD_TB)
3022  print_str("field_order", "tb");
3023  else if (par->field_order == AV_FIELD_BT)
3024  print_str("field_order", "bt");
3025  else
3026  print_str_opt("field_order", "unknown");
3027 
3028  if (dec_ctx)
3029  print_int("refs", dec_ctx->refs);
3030  break;
3031 
3032  case AVMEDIA_TYPE_AUDIO:
3033  s = av_get_sample_fmt_name(par->format);
3034  if (s) print_str ("sample_fmt", s);
3035  else print_str_opt("sample_fmt", "unknown");
3036  print_val("sample_rate", par->sample_rate, unit_hertz_str);
3037  print_int("channels", par->ch_layout.nb_channels);
3038 
3039  if (par->ch_layout.order != AV_CHANNEL_ORDER_UNSPEC) {
3040  av_channel_layout_describe(&par->ch_layout, val_str, sizeof(val_str));
3041  print_str ("channel_layout", val_str);
3042  } else {
3043  print_str_opt("channel_layout", "unknown");
3044  }
3045 
3046  print_int("bits_per_sample", av_get_bits_per_sample(par->codec_id));
3047  break;
3048 
3049  case AVMEDIA_TYPE_SUBTITLE:
3050  if (par->width)
3051  print_int("width", par->width);
3052  else
3053  print_str_opt("width", "N/A");
3054  if (par->height)
3055  print_int("height", par->height);
3056  else
3057  print_str_opt("height", "N/A");
3058  break;
3059  }
3060 
3061  if (dec_ctx && dec_ctx->codec->priv_class && show_private_data) {
3062  const AVOption *opt = NULL;
3063  while (opt = av_opt_next(dec_ctx->priv_data,opt)) {
3064  uint8_t *str;
3065  if (!(opt->flags & AV_OPT_FLAG_EXPORT)) continue;
3066  if (av_opt_get(dec_ctx->priv_data, opt->name, 0, &str) >= 0) {
3067  print_str(opt->name, str);
3068  av_free(str);
3069  }
3070  }
3071  }
3072 
3073  if (fmt_ctx->iformat->flags & AVFMT_SHOW_IDS) print_fmt ("id", "0x%x", stream->id);
3074  else print_str_opt("id", "N/A");
3075  print_q("r_frame_rate", stream->r_frame_rate, '/');
3076  print_q("avg_frame_rate", stream->avg_frame_rate, '/');
3077  print_q("time_base", stream->time_base, '/');
3078  print_ts ("start_pts", stream->start_time);
3079  print_time("start_time", stream->start_time, &stream->time_base);
3080  print_ts ("duration_ts", stream->duration);
3081  print_time("duration", stream->duration, &stream->time_base);
3082  if (par->bit_rate > 0) print_val ("bit_rate", par->bit_rate, unit_bit_per_second_str);
3083  else print_str_opt("bit_rate", "N/A");
3084  if (dec_ctx && dec_ctx->rc_max_rate > 0)
3085  print_val ("max_bit_rate", dec_ctx->rc_max_rate, unit_bit_per_second_str);
3086  else
3087  print_str_opt("max_bit_rate", "N/A");
3088  if (dec_ctx && dec_ctx->bits_per_raw_sample > 0) print_fmt("bits_per_raw_sample", "%d", dec_ctx->bits_per_raw_sample);
3089  else print_str_opt("bits_per_raw_sample", "N/A");
3090  if (stream->nb_frames) print_fmt ("nb_frames", "%"PRId64, stream->nb_frames);
3091  else print_str_opt("nb_frames", "N/A");
3092  if (nb_streams_frames[stream_idx]) print_fmt ("nb_read_frames", "%"PRIu64, nb_streams_frames[stream_idx]);
3093  else print_str_opt("nb_read_frames", "N/A");
3094  if (nb_streams_packets[stream_idx]) print_fmt ("nb_read_packets", "%"PRIu64, nb_streams_packets[stream_idx]);
3095  else print_str_opt("nb_read_packets", "N/A");
3096  if (do_show_data)
3097  writer_print_data(w, "extradata", par->extradata,
3098  par->extradata_size);
3099 
3100  if (par->extradata_size > 0) {
3101  print_int("extradata_size", par->extradata_size);
3102  writer_print_data_hash(w, "extradata_hash", par->extradata,
3103  par->extradata_size);
3104  }
3105 
3106  /* Print disposition information */
3107 #define PRINT_DISPOSITION(flagname, name) do { \
3108  print_int(name, !!(stream->disposition & AV_DISPOSITION_##flagname)); \
3109  } while (0)
3110 
3111  if (do_show_stream_disposition) {
3112  writer_print_section_header(w, in_program ? SECTION_ID_PROGRAM_STREAM_DISPOSITION : SECTION_ID_STREAM_DISPOSITION);
3113  PRINT_DISPOSITION(DEFAULT, "default");
3114  PRINT_DISPOSITION(DUB, "dub");
3115  PRINT_DISPOSITION(ORIGINAL, "original");
3116  PRINT_DISPOSITION(COMMENT, "comment");
3117  PRINT_DISPOSITION(LYRICS, "lyrics");
3118  PRINT_DISPOSITION(KARAOKE, "karaoke");
3119  PRINT_DISPOSITION(FORCED, "forced");
3120  PRINT_DISPOSITION(HEARING_IMPAIRED, "hearing_impaired");
3121  PRINT_DISPOSITION(VISUAL_IMPAIRED, "visual_impaired");
3122  PRINT_DISPOSITION(CLEAN_EFFECTS, "clean_effects");
3123  PRINT_DISPOSITION(ATTACHED_PIC, "attached_pic");
3124  PRINT_DISPOSITION(TIMED_THUMBNAILS, "timed_thumbnails");
3125  PRINT_DISPOSITION(CAPTIONS, "captions");
3126  PRINT_DISPOSITION(DESCRIPTIONS, "descriptions");
3127  PRINT_DISPOSITION(METADATA, "metadata");
3128  PRINT_DISPOSITION(DEPENDENT, "dependent");
3129  PRINT_DISPOSITION(STILL_IMAGE, "still_image");
3130  writer_print_section_footer(w);
3131  }
3132 
3133  if (do_show_stream_tags)
3134  ret = show_tags(w, stream->metadata, in_program ? SECTION_ID_PROGRAM_STREAM_TAGS : SECTION_ID_STREAM_TAGS);
3135 
3136  if (stream->nb_side_data) {
3137  print_pkt_side_data(w, stream->codecpar, stream->side_data, stream->nb_side_data,
3138  SECTION_ID_STREAM_SIDE_DATA_LIST,
3139  SECTION_ID_STREAM_SIDE_DATA);
3140  }
3141 
3142  writer_print_section_footer(w);
3143  av_bprint_finalize(&pbuf, NULL);
3144  fflush(stdout);
3145 
3146  return ret;
3147 }
3148 
3149 static int show_streams(WriterContext *w, InputFile *ifile)
3150 {
3151  AVFormatContext *fmt_ctx = ifile->fmt_ctx;
3152  int i, ret = 0;
3153 
3154  writer_print_section_header(w, SECTION_ID_STREAMS);
3155  for (i = 0; i < ifile->nb_streams; i++)
3156  if (selected_streams[i]) {
3157  ret = show_stream(w, fmt_ctx, i, &ifile->streams[i], 0);
3158  if (ret < 0)
3159  break;
3160  }
3161  writer_print_section_footer(w);
3162 
3163  return ret;
3164 }
3165 
3166 static int show_program(WriterContext *w, InputFile *ifile, AVProgram *program)
3167 {
3168  AVFormatContext *fmt_ctx = ifile->fmt_ctx;
3169  int i, ret = 0;
3170 
3171  writer_print_section_header(w, SECTION_ID_PROGRAM);
3172  print_int("program_id", program->id);
3173  print_int("program_num", program->program_num);
3174  print_int("nb_streams", program->nb_stream_indexes);
3175  print_int("pmt_pid", program->pmt_pid);
3176  print_int("pcr_pid", program->pcr_pid);
3177  if (do_show_program_tags)
3178  ret = show_tags(w, program->metadata, SECTION_ID_PROGRAM_TAGS);
3179  if (ret < 0)
3180  goto end;
3181 
3182  writer_print_section_header(w, SECTION_ID_PROGRAM_STREAMS);
3183  for (i = 0; i < program->nb_stream_indexes; i++) {
3184  if (selected_streams[program->stream_index[i]]) {
3185  ret = show_stream(w, fmt_ctx, program->stream_index[i], &ifile->streams[program->stream_index[i]], 1);
3186  if (ret < 0)
3187  break;
3188  }
3189  }
3190  writer_print_section_footer(w);
3191 
3192 end:
3193  writer_print_section_footer(w);
3194  return ret;
3195 }
3196 
3197 static int show_programs(WriterContext *w, InputFile *ifile)
3198 {
3199  AVFormatContext *fmt_ctx = ifile->fmt_ctx;
3200  int i, ret = 0;
3201 
3202  writer_print_section_header(w, SECTION_ID_PROGRAMS);
3203  for (i = 0; i < fmt_ctx->nb_programs; i++) {
3204  AVProgram *program = fmt_ctx->programs[i];
3205  if (!program)
3206  continue;
3207  ret = show_program(w, ifile, program);
3208  if (ret < 0)
3209  break;
3210  }
3211  writer_print_section_footer(w);
3212  return ret;
3213 }
3214 
3215 static int show_chapters(WriterContext *w, InputFile *ifile)
3216 {
3217  AVFormatContext *fmt_ctx = ifile->fmt_ctx;
3218  int i, ret = 0;
3219 
3220  writer_print_section_header(w, SECTION_ID_CHAPTERS);
3221  for (i = 0; i < fmt_ctx->nb_chapters; i++) {
3222  AVChapter *chapter = fmt_ctx->chapters[i];
3223 
3224  writer_print_section_header(w, SECTION_ID_CHAPTER);
3225  print_int("id", chapter->id);
3226  print_q ("time_base", chapter->time_base, '/');
3227  print_int("start", chapter->start);
3228  print_time("start_time", chapter->start, &chapter->time_base);
3229  print_int("end", chapter->end);
3230  print_time("end_time", chapter->end, &chapter->time_base);
3231  if (do_show_chapter_tags)
3232  ret = show_tags(w, chapter->metadata, SECTION_ID_CHAPTER_TAGS);
3233  writer_print_section_footer(w);
3234  }
3235  writer_print_section_footer(w);
3236 
3237  return ret;
3238 }
3239 
3240 static int show_format(WriterContext *w, InputFile *ifile)
3241 {
3242  AVFormatContext *fmt_ctx = ifile->fmt_ctx;
3243  char val_str[128];
3244  int64_t size = fmt_ctx->pb ? avio_size(fmt_ctx->pb) : -1;
3245  int ret = 0;
3246 
3247  writer_print_section_header(w, SECTION_ID_FORMAT);
3248  print_str_validate("filename", fmt_ctx->url);
3249  print_int("nb_streams", fmt_ctx->nb_streams);
3250  print_int("nb_programs", fmt_ctx->nb_programs);
3251  print_str("format_name", fmt_ctx->iformat->name);
3252  if (!do_bitexact) {
3253  if (fmt_ctx->iformat->long_name) print_str ("format_long_name", fmt_ctx->iformat->long_name);
3254  else print_str_opt("format_long_name", "unknown");
3255  }
3256  print_time("start_time", fmt_ctx->start_time, &AV_TIME_BASE_Q);
3257  print_time("duration", fmt_ctx->duration, &AV_TIME_BASE_Q);
3258  if (size >= 0) print_val ("size", size, unit_byte_str);
3259  else print_str_opt("size", "N/A");
3260  if (fmt_ctx->bit_rate > 0) print_val ("bit_rate", fmt_ctx->bit_rate, unit_bit_per_second_str);
3261  else print_str_opt("bit_rate", "N/A");
3262  print_int("probe_score", fmt_ctx->probe_score);
3263  if (do_show_format_tags)
3264  ret = show_tags(w, fmt_ctx->metadata, SECTION_ID_FORMAT_TAGS);
3265 
3266  writer_print_section_footer(w);
3267  fflush(stdout);
3268  return ret;
3269 }
3270 
3271 static void show_error(WriterContext *w, int err)
3272 {
3273  char errbuf[128];
3274  const char *errbuf_ptr = errbuf;
3275 
3276  if (av_strerror(err, errbuf, sizeof(errbuf)) < 0)
3277  errbuf_ptr = strerror(AVUNERROR(err));
3278 
3279  writer_print_section_header(w, SECTION_ID_ERROR);
3280  print_int("code", err);
3281  print_str("string", errbuf_ptr);
3282  writer_print_section_footer(w);
3283 }
3284 
3285 static int open_input_file(InputFile *ifile, const char *filename,
3286  const char *print_filename)
3287 {
3288  int err, i;
3289  AVFormatContext *fmt_ctx = NULL;
3290  const AVDictionaryEntry *t = NULL;
3291  int scan_all_pmts_set = 0;
3292 
3293  fmt_ctx = avformat_alloc_context();
3294  if (!fmt_ctx) {
3295  print_error(filename, AVERROR(ENOMEM));
3296  exit_program(1);
3297  }
3298 
3299  if (!av_dict_get(format_opts, "scan_all_pmts", NULL, AV_DICT_MATCH_CASE)) {
3300  av_dict_set(&format_opts, "scan_all_pmts", "1", AV_DICT_DONT_OVERWRITE);
3301  scan_all_pmts_set = 1;
3302  }
3303  if ((err = avformat_open_input(&fmt_ctx, filename,
3304  iformat, &format_opts)) < 0) {
3305  print_error(filename, err);
3306  return err;
3307  }
3308  if (print_filename) {
3309  av_freep(&fmt_ctx->url);
3310  fmt_ctx->url = av_strdup(print_filename);
3311  }
3312  ifile->fmt_ctx = fmt_ctx;
3313  if (scan_all_pmts_set)
3314  av_dict_set(&format_opts, "scan_all_pmts", NULL, AV_DICT_MATCH_CASE);
3315  while ((t = av_dict_get(format_opts, "", t, AV_DICT_IGNORE_SUFFIX)))
3316  av_log(NULL, AV_LOG_WARNING, "Option %s skipped - not known to demuxer.\n", t->key);
3317 
3318  if (find_stream_info) {
3319  AVDictionary **opts = setup_find_stream_info_opts(fmt_ctx, codec_opts);
3320  int orig_nb_streams = fmt_ctx->nb_streams;
3321 
3322  err = avformat_find_stream_info(fmt_ctx, opts);
3323 
3324  for (i = 0; i < orig_nb_streams; i++)
3325  av_dict_free(&opts[i]);
3326  av_freep(&opts);
3327 
3328  if (err < 0) {
3329  print_error(filename, err);
3330  return err;
3331  }
3332  }
3333 
3334  av_dump_format(fmt_ctx, 0, filename, 0);
3335 
3336  ifile->streams = av_calloc(fmt_ctx->nb_streams, sizeof(*ifile->streams));
3337  if (!ifile->streams)
3338  exit(1);
3339  ifile->nb_streams = fmt_ctx->nb_streams;
3340 
3341  /* bind a decoder to each input stream */
3342  for (i = 0; i < fmt_ctx->nb_streams; i++) {
3343  InputStream *ist = &ifile->streams[i];
3344  AVStream *stream = fmt_ctx->streams[i];
3345  const AVCodec *codec;
3346 
3347  ist->st = stream;
3348 
3349  if (stream->codecpar->codec_id == AV_CODEC_ID_PROBE) {
3350  av_log(NULL, AV_LOG_WARNING,
3351  "Failed to probe codec for input stream %d\n",
3352  stream->index);
3353  continue;
3354  }
3355 
3356  codec = avcodec_find_decoder(stream->codecpar->codec_id);
3357  if (!codec) {
3358  av_log(NULL, AV_LOG_WARNING,
3359  "Unsupported codec with id %d for input stream %d\n",
3360  stream->codecpar->codec_id, stream->index);
3361  continue;
3362  }
3363  {
3364  AVDictionary *opts = filter_codec_opts(codec_opts, stream->codecpar->codec_id,
3365  fmt_ctx, stream, codec);
3366 
3367  ist->dec_ctx = avcodec_alloc_context3(codec);
3368  if (!ist->dec_ctx)
3369  exit(1);
3370 
3371  err = avcodec_parameters_to_context(ist->dec_ctx, stream->codecpar);
3372  if (err < 0)
3373  exit(1);
3374 
3375  if (do_show_log) {
3376  // For loging it is needed to disable at least frame threads as otherwise
3377  // the log information would need to be reordered and matches up to contexts and frames
3378  // That is in fact possible but not trivial
3379  av_dict_set(&codec_opts, "threads", "1", 0);
3380  }
3381 
3382  ist->dec_ctx->pkt_timebase = stream->time_base;
3383 
3384  if (avcodec_open2(ist->dec_ctx, codec, &opts) < 0) {
3385  av_log(NULL, AV_LOG_WARNING, "Could not open codec for input stream %d\n",
3386  stream->index);
3387  exit(1);
3388  }
3389 
3390  if ((t = av_dict_get(opts, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
3391  av_log(NULL, AV_LOG_ERROR, "Option %s for input stream %d not found\n",
3392  t->key, stream->index);
3393  return AVERROR_OPTION_NOT_FOUND;
3394  }
3395  }
3396  }
3397 
3398  ifile->fmt_ctx = fmt_ctx;
3399  return 0;
3400 }
3401 
3402 static void close_input_file(InputFile *ifile)
3403 {
3404  int i;
3405 
3406  /* close decoder for each stream */
3407  for (i = 0; i < ifile->nb_streams; i++)
3408  avcodec_free_context(&ifile->streams[i].dec_ctx);
3409 
3410  av_freep(&ifile->streams);
3411  ifile->nb_streams = 0;
3412 
3413  avformat_close_input(&ifile->fmt_ctx);
3414 }
3415 
3416 static int probe_file(WriterContext *wctx, const char *filename,
3417  const char *print_filename)
3418 {
3419  InputFile ifile = { 0 };
3420  int ret, i;
3421  int section_id;
3422 
3423  do_read_frames = do_show_frames || do_count_frames;
3424  do_read_packets = do_show_packets || do_count_packets;
3425 
3426  ret = open_input_file(&ifile, filename, print_filename);
3427  if (ret < 0)
3428  goto end;
3429 
3430 #define CHECK_END if (ret < 0) goto end
3431 
3432  nb_streams = ifile.fmt_ctx->nb_streams;
3433  REALLOCZ_ARRAY_STREAM(nb_streams_frames,0,ifile.fmt_ctx->nb_streams);
3434  REALLOCZ_ARRAY_STREAM(nb_streams_packets,0,ifile.fmt_ctx->nb_streams);
3435  REALLOCZ_ARRAY_STREAM(selected_streams,0,ifile.fmt_ctx->nb_streams);
3436 
3437  for (i = 0; i < ifile.fmt_ctx->nb_streams; i++) {
3438  if (stream_specifier) {
3439  ret = avformat_match_stream_specifier(ifile.fmt_ctx,
3440  ifile.fmt_ctx->streams[i],
3441  stream_specifier);
3442  CHECK_END;
3443  else
3444  selected_streams[i] = ret;
3445  ret = 0;
3446  } else {
3447  selected_streams[i] = 1;
3448  }
3449  if (!selected_streams[i])
3450  ifile.fmt_ctx->streams[i]->discard = AVDISCARD_ALL;
3451  }
3452 
3453  if (do_read_frames || do_read_packets) {
3454  if (do_show_frames && do_show_packets &&
3455  wctx->writer->flags & WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER)
3456  section_id = SECTION_ID_PACKETS_AND_FRAMES;
3457  else if (do_show_packets && !do_show_frames)
3458  section_id = SECTION_ID_PACKETS;
3459  else // (!do_show_packets && do_show_frames)
3460  section_id = SECTION_ID_FRAMES;
3461  if (do_show_frames || do_show_packets)
3462  writer_print_section_header(wctx, section_id);
3463  ret = read_packets(wctx, &ifile);
3464  if (do_show_frames || do_show_packets)
3465  writer_print_section_footer(wctx);
3466  CHECK_END;
3467  }
3468 
3469  if (do_show_programs) {
3470  ret = show_programs(wctx, &ifile);
3471  CHECK_END;
3472  }
3473 
3474  if (do_show_streams) {
3475  ret = show_streams(wctx, &ifile);
3476  CHECK_END;
3477  }
3478  if (do_show_chapters) {
3479  ret = show_chapters(wctx, &ifile);
3480  CHECK_END;
3481  }
3482  if (do_show_format) {
3483  ret = show_format(wctx, &ifile);
3484  CHECK_END;
3485  }
3486 
3487 end:
3488  if (ifile.fmt_ctx)
3489  close_input_file(&ifile);
3490  av_freep(&nb_streams_frames);
3491  av_freep(&nb_streams_packets);
3492  av_freep(&selected_streams);
3493 
3494  return ret;
3495 }
3496 
3497 static void show_usage(void)
3498 {
3499  av_log(NULL, AV_LOG_INFO, "Simple multimedia streams analyzer\n");
3500  av_log(NULL, AV_LOG_INFO, "usage: %s [OPTIONS] INPUT_FILE\n", program_name);
3501  av_log(NULL, AV_LOG_INFO, "\n");
3502 }
3503 
3504 static void ffprobe_show_program_version(WriterContext *w)
3505 {
3506  AVBPrint pbuf;
3507  av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
3508 
3509  writer_print_section_header(w, SECTION_ID_PROGRAM_VERSION);
3510  print_str("version", FFMPEG_VERSION);
3511  print_fmt("copyright", "Copyright (c) %d-%d the FFmpeg developers",
3512  program_birth_year, CONFIG_THIS_YEAR);
3513  print_str("compiler_ident", CC_IDENT);
3514  print_str("configuration", FFMPEG_CONFIGURATION);
3515  writer_print_section_footer(w);
3516 
3517  av_bprint_finalize(&pbuf, NULL);
3518 }
3519 
3520 #define SHOW_LIB_VERSION(libname, LIBNAME) \
3521  do { \
3522  if (CONFIG_##LIBNAME) { \
3523  unsigned int version = libname##_version(); \
3524  writer_print_section_header(w, SECTION_ID_LIBRARY_VERSION); \
3525  print_str("name", "lib" #libname); \
3526  print_int("major", LIB##LIBNAME##_VERSION_MAJOR); \
3527  print_int("minor", LIB##LIBNAME##_VERSION_MINOR); \
3528  print_int("micro", LIB##LIBNAME##_VERSION_MICRO); \
3529  print_int("version", version); \
3530  print_str("ident", LIB##LIBNAME##_IDENT); \
3531  writer_print_section_footer(w); \
3532  } \
3533  } while (0)
3534 
3535 static void ffprobe_show_library_versions(WriterContext *w)
3536 {
3537  writer_print_section_header(w, SECTION_ID_LIBRARY_VERSIONS);
3538  SHOW_LIB_VERSION(avutil, AVUTIL);
3539  SHOW_LIB_VERSION(avcodec, AVCODEC);
3540  SHOW_LIB_VERSION(avformat, AVFORMAT);
3541  SHOW_LIB_VERSION(avdevice, AVDEVICE);
3542  SHOW_LIB_VERSION(avfilter, AVFILTER);
3543  SHOW_LIB_VERSION(swscale, SWSCALE);
3544  SHOW_LIB_VERSION(swresample, SWRESAMPLE);
3545  SHOW_LIB_VERSION(postproc, POSTPROC);
3546  writer_print_section_footer(w);
3547 }
3548 
3549 #define PRINT_PIX_FMT_FLAG(flagname, name) \
3550  do { \
3551  print_int(name, !!(pixdesc->flags & AV_PIX_FMT_FLAG_##flagname)); \
3552  } while (0)
3553 
3554 static void ffprobe_show_pixel_formats(WriterContext *w)
3555 {
3556  const AVPixFmtDescriptor *pixdesc = NULL;
3557  int i, n;
3558 
3559  writer_print_section_header(w, SECTION_ID_PIXEL_FORMATS);
3560  while (pixdesc = av_pix_fmt_desc_next(pixdesc)) {
3561  writer_print_section_header(w, SECTION_ID_PIXEL_FORMAT);
3562  print_str("name", pixdesc->name);
3563  print_int("nb_components", pixdesc->nb_components);
3564  if ((pixdesc->nb_components >= 3) && !(pixdesc->flags & AV_PIX_FMT_FLAG_RGB)) {
3565  print_int ("log2_chroma_w", pixdesc->log2_chroma_w);
3566  print_int ("log2_chroma_h", pixdesc->log2_chroma_h);
3567  } else {
3568  print_str_opt("log2_chroma_w", "N/A");
3569  print_str_opt("log2_chroma_h", "N/A");
3570  }
3571  n = av_get_bits_per_pixel(pixdesc);
3572  if (n) print_int ("bits_per_pixel", n);
3573  else print_str_opt("bits_per_pixel", "N/A");
3574  if (do_show_pixel_format_flags) {
3575  writer_print_section_header(w, SECTION_ID_PIXEL_FORMAT_FLAGS);
3576  PRINT_PIX_FMT_FLAG(BE, "big_endian");
3577  PRINT_PIX_FMT_FLAG(PAL, "palette");
3578  PRINT_PIX_FMT_FLAG(BITSTREAM, "bitstream");
3579  PRINT_PIX_FMT_FLAG(HWACCEL, "hwaccel");
3580  PRINT_PIX_FMT_FLAG(PLANAR, "planar");
3581  PRINT_PIX_FMT_FLAG(RGB, "rgb");
3582  PRINT_PIX_FMT_FLAG(ALPHA, "alpha");
3583  writer_print_section_footer(w);
3584  }
3585  if (do_show_pixel_format_components && (pixdesc->nb_components > 0)) {
3586  writer_print_section_header(w, SECTION_ID_PIXEL_FORMAT_COMPONENTS);
3587  for (i = 0; i < pixdesc->nb_components; i++) {
3588  writer_print_section_header(w, SECTION_ID_PIXEL_FORMAT_COMPONENT);
3589  print_int("index", i + 1);
3590  print_int("bit_depth", pixdesc->comp[i].depth);
3591  writer_print_section_footer(w);
3592  }
3593  writer_print_section_footer(w);
3594  }
3595  writer_print_section_footer(w);
3596  }
3597  writer_print_section_footer(w);
3598 }
3599 
3600 static int opt_show_optional_fields(void *optctx, const char *opt, const char *arg)
3601 {
3602  if (!av_strcasecmp(arg, "always")) show_optional_fields = SHOW_OPTIONAL_FIELDS_ALWAYS;
3603  else if (!av_strcasecmp(arg, "never")) show_optional_fields = SHOW_OPTIONAL_FIELDS_NEVER;
3604  else if (!av_strcasecmp(arg, "auto")) show_optional_fields = SHOW_OPTIONAL_FIELDS_AUTO;
3605 
3606  if (show_optional_fields == SHOW_OPTIONAL_FIELDS_AUTO && av_strcasecmp(arg, "auto"))
3607  show_optional_fields = parse_number_or_die("show_optional_fields", arg, OPT_INT, SHOW_OPTIONAL_FIELDS_AUTO, SHOW_OPTIONAL_FIELDS_ALWAYS);
3608  return 0;
3609 }
3610 
3611 static int opt_format(void *optctx, const char *opt, const char *arg)
3612 {
3613  iformat = av_find_input_format(arg);
3614  if (!iformat) {
3615  av_log(NULL, AV_LOG_ERROR, "Unknown input format: %s\n", arg);
3616  return AVERROR(EINVAL);
3617  }
3618  return 0;
3619 }
3620 
3621 static inline void mark_section_show_entries(SectionID section_id,
3622  int show_all_entries, AVDictionary *entries)
3623 {
3624  struct section *section = &sections[section_id];
3625 
3626  section->show_all_entries = show_all_entries;
3627  if (show_all_entries) {
3628  SectionID *id;
3629  for (id = section->children_ids; *id != -1; id++)
3630  mark_section_show_entries(*id, show_all_entries, entries);
3631  } else {
3632  av_dict_copy(&section->entries_to_show, entries, 0);
3633  }
3634 }
3635 
3636 static int match_section(const char *section_name,
3637  int show_all_entries, AVDictionary *entries)
3638 {
3639  int i, ret = 0;
3640 
3641  for (i = 0; i < FF_ARRAY_ELEMS(sections); i++) {
3642  const struct section *section = &sections[i];
3643  if (!strcmp(section_name, section->name) ||
3644  (section->unique_name && !strcmp(section_name, section->unique_name))) {
3645  av_log(NULL, AV_LOG_DEBUG,
3646  "'%s' matches section with unique name '%s'\n", section_name,
3647  (char *)av_x_if_null(section->unique_name, section->name));
3648  ret++;
3649  mark_section_show_entries(section->id, show_all_entries, entries);
3650  }
3651  }
3652  return ret;
3653 }
3654 
3655 static int opt_show_entries(void *optctx, const char *opt, const char *arg)
3656 {
3657  const char *p = arg;
3658  int ret = 0;
3659 
3660  while (*p) {
3661  AVDictionary *entries = NULL;
3662  char *section_name = av_get_token(&p, "=:");
3663  int show_all_entries = 0;
3664 
3665  if (!section_name) {
3666  av_log(NULL, AV_LOG_ERROR,
3667  "Missing section name for option '%s'\n", opt);
3668  return AVERROR(EINVAL);
3669  }
3670 
3671  if (*p == '=') {
3672  p++;
3673  while (*p && *p != ':') {
3674  char *entry = av_get_token(&p, ",:");
3675  if (!entry)
3676  break;
3677  av_log(NULL, AV_LOG_VERBOSE,
3678  "Adding '%s' to the entries to show in section '%s'\n",
3679  entry, section_name);
3680  av_dict_set(&entries, entry, "", AV_DICT_DONT_STRDUP_KEY);
3681  if (*p == ',')
3682  p++;
3683  }
3684  } else {
3685  show_all_entries = 1;
3686  }
3687 
3688  ret = match_section(section_name, show_all_entries, entries);
3689  if (ret == 0) {
3690  av_log(NULL, AV_LOG_ERROR, "No match for section '%s'\n", section_name);
3691  ret = AVERROR(EINVAL);
3692  }
3693  av_dict_free(&entries);
3694  av_free(section_name);
3695 
3696  if (ret <= 0)
3697  break;
3698  if (*p)
3699  p++;
3700  }
3701 
3702  return ret;
3703 }
3704 
3705 static void opt_input_file(void *optctx, const char *arg)
3706 {
3707  if (input_filename) {
3708  av_log(NULL, AV_LOG_ERROR,
3709  "Argument '%s' provided as input filename, but '%s' was already specified.\n",
3710  arg, input_filename);
3711  exit_program(1);
3712  }
3713  if (!strcmp(arg, "-"))
3714  arg = "pipe:";
3715  input_filename = arg;
3716 }
3717 
3718 static int opt_input_file_i(void *optctx, const char *opt, const char *arg)
3719 {
3720  opt_input_file(optctx, arg);
3721  return 0;
3722 }
3723 
3724 static void opt_output_file(void *optctx, const char *arg)
3725 {
3726  if (output_filename) {
3727  av_log(NULL, AV_LOG_ERROR,
3728  "Argument '%s' provided as output filename, but '%s' was already specified.\n",
3729  arg, output_filename);
3730  exit_program(1);
3731  }
3732  if (!strcmp(arg, "-"))
3733  arg = "pipe:";
3734  output_filename = arg;
3735 }
3736 
3737 static int opt_output_file_o(void *optctx, const char *opt, const char *arg)
3738 {
3739  opt_output_file(optctx, arg);
3740  return 0;
3741 }
3742 
3743 static int opt_print_filename(void *optctx, const char *opt, const char *arg)
3744 {
3745  print_input_filename = arg;
3746  return 0;
3747 }
3748 
3749 void show_help_default(const char *opt, const char *arg)
3750 {
3751  av_log_set_callback(log_callback_help);
3752  show_usage();
3753  show_help_options(options, "Main options:", 0, 0, 0);
3754  printf("\n");
3755 
3756  show_help_children(avformat_get_class(), AV_OPT_FLAG_DECODING_PARAM);
3757  show_help_children(avcodec_get_class(), AV_OPT_FLAG_DECODING_PARAM);
3758 }
3759 
3760 /**
3761  * Parse interval specification, according to the format:
3762  * INTERVAL ::= [START|+START_OFFSET][%[END|+END_OFFSET]]
3763  * INTERVALS ::= INTERVAL[,INTERVALS]
3764 */
3765 static int parse_read_interval(const char *interval_spec,
3766  ReadInterval *interval)
3767 {
3768  int ret = 0;
3769  char *next, *p, *spec = av_strdup(interval_spec);
3770  if (!spec)
3771  return AVERROR(ENOMEM);
3772 
3773  if (!*spec) {
3774  av_log(NULL, AV_LOG_ERROR, "Invalid empty interval specification\n");
3775  ret = AVERROR(EINVAL);
3776  goto end;
3777  }
3778 
3779  p = spec;
3780  next = strchr(spec, '%');
3781  if (next)
3782  *next++ = 0;
3783 
3784  /* parse first part */
3785  if (*p) {
3786  interval->has_start = 1;
3787 
3788  if (*p == '+') {
3789  interval->start_is_offset = 1;
3790  p++;
3791  } else {
3792  interval->start_is_offset = 0;
3793  }
3794 
3795  ret = av_parse_time(&interval->start, p, 1);
3796  if (ret < 0) {
3797  av_log(NULL, AV_LOG_ERROR, "Invalid interval start specification '%s'\n", p);
3798  goto end;
3799  }
3800  } else {
3801  interval->has_start = 0;
3802  }
3803 
3804  /* parse second part */
3805  p = next;
3806  if (p && *p) {
3807  int64_t us;
3808  interval->has_end = 1;
3809 
3810  if (*p == '+') {
3811  interval->end_is_offset = 1;
3812  p++;
3813  } else {
3814  interval->end_is_offset = 0;
3815  }
3816 
3817  if (interval->end_is_offset && *p == '#') {
3818  long long int lli;
3819  char *tail;
3820  interval->duration_frames = 1;
3821  p++;
3822  lli = strtoll(p, &tail, 10);
3823  if (*tail || lli < 0) {
3824  av_log(NULL, AV_LOG_ERROR,
3825  "Invalid or negative value '%s' for duration number of frames\n", p);
3826  goto end;
3827  }
3828  interval->end = lli;
3829  } else {
3830  interval->duration_frames = 0;
3831  ret = av_parse_time(&us, p, 1);
3832  if (ret < 0) {
3833  av_log(NULL, AV_LOG_ERROR, "Invalid interval end/duration specification '%s'\n", p);
3834  goto end;
3835  }
3836  interval->end = us;
3837  }
3838  } else {
3839  interval->has_end = 0;
3840  }
3841 
3842 end:
3843  av_free(spec);
3844  return ret;
3845 }
3846 
3847 static int parse_read_intervals(const char *intervals_spec)
3848 {
3849  int ret, n, i;
3850  char *p, *spec = av_strdup(intervals_spec);
3851  if (!spec)
3852  return AVERROR(ENOMEM);
3853 
3854  /* preparse specification, get number of intervals */
3855  for (n = 0, p = spec; *p; p++)
3856  if (*p == ',')
3857  n++;
3858  n++;
3859 
3860  read_intervals = av_malloc_array(n, sizeof(*read_intervals));
3861  if (!read_intervals) {
3862  ret = AVERROR(ENOMEM);
3863  goto end;
3864  }
3865  read_intervals_nb = n;
3866 
3867  /* parse intervals */
3868  p = spec;
3869  for (i = 0; p; i++) {
3870  char *next;
3871 
3872  av_assert0(i < read_intervals_nb);
3873  next = strchr(p, ',');
3874  if (next)
3875  *next++ = 0;
3876 
3877  read_intervals[i].id = i;
3878  ret = parse_read_interval(p, &read_intervals[i]);
3879  if (ret < 0) {
3880  av_log(NULL, AV_LOG_ERROR, "Error parsing read interval #%d '%s'\n",
3881  i, p);
3882  goto end;
3883  }
3884  av_log(NULL, AV_LOG_VERBOSE, "Parsed log interval ");
3885  log_read_interval(&read_intervals[i], NULL, AV_LOG_VERBOSE);
3886  p = next;
3887  }
3888  av_assert0(i == read_intervals_nb);
3889 
3890 end:
3891  av_free(spec);
3892  return ret;
3893 }
3894 
3895 static int opt_read_intervals(void *optctx, const char *opt, const char *arg)
3896 {
3897  return parse_read_intervals(arg);
3898 }
3899 
3900 static int opt_pretty(void *optctx, const char *opt, const char *arg)
3901 {
3902  show_value_unit = 1;
3903  use_value_prefix = 1;
3904  use_byte_value_binary_prefix = 1;
3905  use_value_sexagesimal_format = 1;
3906  return 0;
3907 }
3908 
3909 static void print_section(SectionID id, int level)
3910 {
3911  const SectionID *pid;
3912  const struct section *section = &sections[id];
3913  printf("%c%c%c",
3914  section->flags & SECTION_FLAG_IS_WRAPPER ? 'W' : '.',
3915  section->flags & SECTION_FLAG_IS_ARRAY ? 'A' : '.',
3916  section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS ? 'V' : '.');
3917  printf("%*c %s", level * 4, ' ', section->name);
3918  if (section->unique_name)
3919  printf("/%s", section->unique_name);
3920  printf("\n");
3921 
3922  for (pid = section->children_ids; *pid != -1; pid++)
3923  print_section(*pid, level+1);
3924 }
3925 
3926 static int opt_sections(void *optctx, const char *opt, const char *arg)
3927 {
3928  printf("Sections:\n"
3929  "W.. = Section is a wrapper (contains other sections, no local entries)\n"
3930  ".A. = Section contains an array of elements of the same type\n"
3931  "..V = Section may contain a variable number of fields with variable keys\n"
3932  "FLAGS NAME/UNIQUE_NAME\n"
3933  "---\n");
3934  print_section(SECTION_ID_ROOT, 0);
3935  return 0;
3936 }
3937 
3938 static int opt_show_versions(void *optctx, const char *opt, const char *arg)
3939 {
3940  mark_section_show_entries(SECTION_ID_PROGRAM_VERSION, 1, NULL);
3941  mark_section_show_entries(SECTION_ID_LIBRARY_VERSION, 1, NULL);
3942  return 0;
3943 }
3944 
3945 #define DEFINE_OPT_SHOW_SECTION(section, target_section_id) \
3946  static int opt_show_##section(void *optctx, const char *opt, const char *arg) \
3947  { \
3948  mark_section_show_entries(SECTION_ID_##target_section_id, 1, NULL); \
3949  return 0; \
3950  }
3951 
3952 DEFINE_OPT_SHOW_SECTION(chapters, CHAPTERS)
3953 DEFINE_OPT_SHOW_SECTION(error, ERROR)
3954 DEFINE_OPT_SHOW_SECTION(format, FORMAT)
3955 DEFINE_OPT_SHOW_SECTION(frames, FRAMES)
3956 DEFINE_OPT_SHOW_SECTION(library_versions, LIBRARY_VERSIONS)
3957 DEFINE_OPT_SHOW_SECTION(packets, PACKETS)
3958 DEFINE_OPT_SHOW_SECTION(pixel_formats, PIXEL_FORMATS)
3959 DEFINE_OPT_SHOW_SECTION(program_version, PROGRAM_VERSION)
3960 DEFINE_OPT_SHOW_SECTION(streams, STREAMS)
3961 DEFINE_OPT_SHOW_SECTION(programs, PROGRAMS)
3962 
3963 static const OptionDef real_options[] = {
3964  CMDUTILS_COMMON_OPTIONS
3965  { "f", HAS_ARG, {.func_arg = opt_format}, "force format", "format" },
3966  { "unit", OPT_BOOL, {&show_value_unit}, "show unit of the displayed values" },
3967  { "prefix", OPT_BOOL, {&use_value_prefix}, "use SI prefixes for the displayed values" },
3968  { "byte_binary_prefix", OPT_BOOL, {&use_byte_value_binary_prefix},
3969  "use binary prefixes for byte units" },
3970  { "sexagesimal", OPT_BOOL, {&use_value_sexagesimal_format},
3971  "use sexagesimal format HOURS:MM:SS.MICROSECONDS for time units" },
3972  { "pretty", 0, {.func_arg = opt_pretty},
3973  "prettify the format of displayed values, make it more human readable" },
3974  { "print_format", OPT_STRING | HAS_ARG, { &print_format },
3975  "set the output printing format (available formats are: default, compact, csv, flat, ini, json, xml)", "format" },
3976  { "of", OPT_STRING | HAS_ARG, { &print_format }, "alias for -print_format", "format" },
3977  { "select_streams", OPT_STRING | HAS_ARG, { &stream_specifier }, "select the specified streams", "stream_specifier" },
3978  { "sections", OPT_EXIT, {.func_arg = opt_sections}, "print sections structure and section information, and exit" },
3979  { "show_data", OPT_BOOL, { &do_show_data }, "show packets data" },
3980  { "show_data_hash", OPT_STRING | HAS_ARG, { &show_data_hash }, "show packets data hash" },
3981  { "show_error", 0, { .func_arg = &opt_show_error }, "show probing error" },
3982  { "show_format", 0, { .func_arg = &opt_show_format }, "show format/container info" },
3983  { "show_frames", 0, { .func_arg = &opt_show_frames }, "show frames info" },
3984  { "show_entries", HAS_ARG, {.func_arg = opt_show_entries},
3985  "show a set of specified entries", "entry_list" },
3986 #if HAVE_THREADS
3987  { "show_log", OPT_INT|HAS_ARG, { &do_show_log }, "show log" },
3988 #endif
3989  { "show_packets", 0, { .func_arg = &opt_show_packets }, "show packets info" },
3990  { "show_programs", 0, { .func_arg = &opt_show_programs }, "show programs info" },
3991  { "show_streams", 0, { .func_arg = &opt_show_streams }, "show streams info" },
3992  { "show_chapters", 0, { .func_arg = &opt_show_chapters }, "show chapters info" },
3993  { "count_frames", OPT_BOOL, { &do_count_frames }, "count the number of frames per stream" },
3994  { "count_packets", OPT_BOOL, { &do_count_packets }, "count the number of packets per stream" },
3995  { "show_program_version", 0, { .func_arg = &opt_show_program_version }, "show ffprobe version" },
3996  { "show_library_versions", 0, { .func_arg = &opt_show_library_versions }, "show library versions" },
3997  { "show_versions", 0, { .func_arg = &opt_show_versions }, "show program and library versions" },
3998  { "show_pixel_formats", 0, { .func_arg = &opt_show_pixel_formats }, "show pixel format descriptions" },
3999  { "show_optional_fields", HAS_ARG, { .func_arg = &opt_show_optional_fields }, "show optional fields" },
4000  { "show_private_data", OPT_BOOL, { &show_private_data }, "show private data" },
4001  { "private", OPT_BOOL, { &show_private_data }, "same as show_private_data" },
4002  { "bitexact", OPT_BOOL, {&do_bitexact}, "force bitexact output" },
4003  { "read_intervals", HAS_ARG, {.func_arg = opt_read_intervals}, "set read intervals", "read_intervals" },
4004  { "i", HAS_ARG, {.func_arg = opt_input_file_i}, "read specified file", "input_file"},
4005  { "o", HAS_ARG, {.func_arg = opt_output_file_o}, "write to specified output", "output_file"},
4006  { "print_filename", HAS_ARG, {.func_arg = opt_print_filename}, "override the printed input filename", "print_file"},
4007  { "find_stream_info", OPT_BOOL | OPT_INPUT | OPT_EXPERT, { &find_stream_info },
4008  "read and decode the streams to fill missing information with heuristics" },
4009  { NULL, },
4010 };
4011 
4012 static inline int check_section_show_entries(int section_id)
4013 {
4014  int *id;
4015  struct section *section = &sections[section_id];
4016  if (sections[section_id].show_all_entries || sections[section_id].entries_to_show)
4017  return 1;
4018  for (id = section->children_ids; *id != -1; id++)
4019  if (check_section_show_entries(*id))