1 /*
2 * Copyright (c) 2007-2010 Stefano Sabatini
3 *
4 * This file is part of FFmpeg.
5 *
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
21 /**
22 * @file
23 * simple media prober based on the FFmpeg libraries
24 */
25
26 #include "config.h"
27 #include "libavutil/ffversion.h"
28
29 #include <string.h>
30
31 #include "libavformat/avformat.h"
32 #include "libavcodec/avcodec.h"
33 #include "libavutil/avassert.h"
34 #include "libavutil/avstring.h"
35 #include "libavutil/bprint.h"
36 #include "libavutil/display.h"
37 #include "libavutil/hash.h"
38 #include "libavutil/hdr_dynamic_metadata.h"
39 #include "libavutil/mastering_display_metadata.h"
40 #include "libavutil/dovi_meta.h"
41 #include "libavutil/opt.h"
42 #include "libavutil/pixdesc.h"
43 #include "libavutil/spherical.h"
44 #include "libavutil/stereo3d.h"
45 #include "libavutil/dict.h"
46 #include "libavutil/intreadwrite.h"
47 #include "libavutil/libm.h"
48 #include "libavutil/parseutils.h"
49 #include "libavutil/timecode.h"
50 #include "libavutil/timestamp.h"
51 #include "libavdevice/avdevice.h"
52 #include "libswscale/swscale.h"
53 #include "libswresample/swresample.h"
54 #include "libpostproc/postprocess.h"
55 #include "cmdutils.h"
56
57 #include "libavutil/thread.h"
58
59 #if !HAVE_THREADS
60 # ifdef pthread_mutex_lock
61 # undef pthread_mutex_lock
62 # endif
63 # define pthread_mutex_lock(a) do{}while(0)
64 # ifdef pthread_mutex_unlock
65 # undef pthread_mutex_unlock
66 # endif
67 # define pthread_mutex_unlock(a) do{}while(0)
68 #endif
69
70 typedef struct InputStream {
71 AVStream *st;
72
73 AVCodecContext *dec_ctx;
74 } InputStream;
75
76 typedef struct InputFile {
77 AVFormatContext *fmt_ctx;
78
79 InputStream *streams;
80 int nb_streams;
81 } InputFile;
82
83 const char program_name[] = "ffprobe";
84 const int program_birth_year = 2007;
85
86 static int do_bitexact = 0;
87 static int do_count_frames = 0;
88 static int do_count_packets = 0;
89 static int do_read_frames = 0;
90 static int do_read_packets = 0;
91 static int do_show_chapters = 0;
92 static int do_show_error = 0;
93 static int do_show_format = 0;
94 static int do_show_frames = 0;
95 static int do_show_packets = 0;
96 static int do_show_programs = 0;
97 static int do_show_streams = 0;
98 static int do_show_stream_disposition = 0;
99 static int do_show_data = 0;
100 static int do_show_program_version = 0;
101 static int do_show_library_versions = 0;
102 static int do_show_pixel_formats = 0;
103 static int do_show_pixel_format_flags = 0;
104 static int do_show_pixel_format_components = 0;
105 static int do_show_log = 0;
106
107 static int do_show_chapter_tags = 0;
108 static int do_show_format_tags = 0;
109 static int do_show_frame_tags = 0;
110 static int do_show_program_tags = 0;
111 static int do_show_stream_tags = 0;
112 static int do_show_packet_tags = 0;
113
114 static int show_value_unit = 0;
115 static int use_value_prefix = 0;
116 static int use_byte_value_binary_prefix = 0;
117 static int use_value_sexagesimal_format = 0;
118 static int show_private_data = 1;
119
120 static char *print_format;
121 static char *stream_specifier;
122 static char *show_data_hash;
123
124 typedef struct ReadInterval {
125 int id; ///< identifier
126 int64_t start, end; ///< start, end in second/AV_TIME_BASE units
127 int has_start, has_end;
128 int start_is_offset, end_is_offset;
129 int duration_frames;
130 } ReadInterval;
131
132 static ReadInterval *read_intervals;
133 static int read_intervals_nb = 0;
134
135 static int find_stream_info = 1;
136
137 /* section structure definition */
138
139 #define SECTION_MAX_NB_CHILDREN 10
140
141 struct section {
142 int id; ///< unique id identifying a section
143 const char *name;
144
145 #define SECTION_FLAG_IS_WRAPPER 1 ///< the section only contains other sections, but has no data at its own level
146 #define SECTION_FLAG_IS_ARRAY 2 ///< the section contains an array of elements of the same type
147 #define SECTION_FLAG_HAS_VARIABLE_FIELDS 4 ///< the section may contain a variable number of fields with variable keys.
148 /// For these sections the element_name field is mandatory.
149 int flags;
150 int children_ids[SECTION_MAX_NB_CHILDREN+1]; ///< list of children section IDS, terminated by -1
151 const char *element_name; ///< name of the contained element, if provided
152 const char *unique_name; ///< unique section name, in case the name is ambiguous
153 AVDictionary *entries_to_show;
154 int show_all_entries;
155 };
156
157 typedef enum {
158 SECTION_ID_NONE = -1,
159 SECTION_ID_CHAPTER,
160 SECTION_ID_CHAPTER_TAGS,
161 SECTION_ID_CHAPTERS,
162 SECTION_ID_ERROR,
163 SECTION_ID_FORMAT,
164 SECTION_ID_FORMAT_TAGS,
165 SECTION_ID_FRAME,
166 SECTION_ID_FRAMES,
167 SECTION_ID_FRAME_TAGS,
168 SECTION_ID_FRAME_SIDE_DATA_LIST,
169 SECTION_ID_FRAME_SIDE_DATA,
170 SECTION_ID_FRAME_SIDE_DATA_TIMECODE_LIST,
171 SECTION_ID_FRAME_SIDE_DATA_TIMECODE,
172 SECTION_ID_FRAME_LOG,
173 SECTION_ID_FRAME_LOGS,
174 SECTION_ID_LIBRARY_VERSION,
175 SECTION_ID_LIBRARY_VERSIONS,
176 SECTION_ID_PACKET,
177 SECTION_ID_PACKET_TAGS,
178 SECTION_ID_PACKETS,
179 SECTION_ID_PACKETS_AND_FRAMES,
180 SECTION_ID_PACKET_SIDE_DATA_LIST,
181 SECTION_ID_PACKET_SIDE_DATA,
182 SECTION_ID_PIXEL_FORMAT,
183 SECTION_ID_PIXEL_FORMAT_FLAGS,
184 SECTION_ID_PIXEL_FORMAT_COMPONENT,
185 SECTION_ID_PIXEL_FORMAT_COMPONENTS,
186 SECTION_ID_PIXEL_FORMATS,
187 SECTION_ID_PROGRAM_STREAM_DISPOSITION,
188 SECTION_ID_PROGRAM_STREAM_TAGS,
189 SECTION_ID_PROGRAM,
190 SECTION_ID_PROGRAM_STREAMS,
191 SECTION_ID_PROGRAM_STREAM,
192 SECTION_ID_PROGRAM_TAGS,
193 SECTION_ID_PROGRAM_VERSION,
194 SECTION_ID_PROGRAMS,
195 SECTION_ID_ROOT,
196 SECTION_ID_STREAM,
197 SECTION_ID_STREAM_DISPOSITION,
198 SECTION_ID_STREAMS,
199 SECTION_ID_STREAM_TAGS,
200 SECTION_ID_STREAM_SIDE_DATA_LIST,
201 SECTION_ID_STREAM_SIDE_DATA,
202 SECTION_ID_SUBTITLE,
203 } SectionID;
204
205 static struct section sections[] = {
206 [SECTION_ID_CHAPTERS] = { SECTION_ID_CHAPTERS, "chapters", SECTION_FLAG_IS_ARRAY, { SECTION_ID_CHAPTER, -1 } },
207 [SECTION_ID_CHAPTER] = { SECTION_ID_CHAPTER, "chapter", 0, { SECTION_ID_CHAPTER_TAGS, -1 } },
208 [SECTION_ID_CHAPTER_TAGS] = { SECTION_ID_CHAPTER_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "chapter_tags" },
209 [SECTION_ID_ERROR] = { SECTION_ID_ERROR, "error", 0, { -1 } },
210 [SECTION_ID_FORMAT] = { SECTION_ID_FORMAT, "format", 0, { SECTION_ID_FORMAT_TAGS, -1 } },
211 [SECTION_ID_FORMAT_TAGS] = { SECTION_ID_FORMAT_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "format_tags" },
212 [SECTION_ID_FRAMES] = { SECTION_ID_FRAMES, "frames", SECTION_FLAG_IS_ARRAY, { SECTION_ID_FRAME, SECTION_ID_SUBTITLE, -1 } },
213 [SECTION_ID_FRAME] = { SECTION_ID_FRAME, "frame", 0, { SECTION_ID_FRAME_TAGS, SECTION_ID_FRAME_SIDE_DATA_LIST, SECTION_ID_FRAME_LOGS, -1 } },
214 [SECTION_ID_FRAME_TAGS] = { SECTION_ID_FRAME_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "frame_tags" },
215 [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" },
216 [SECTION_ID_FRAME_SIDE_DATA] = { SECTION_ID_FRAME_SIDE_DATA, "side_data", 0, { SECTION_ID_FRAME_SIDE_DATA_TIMECODE_LIST, -1 } },
217 [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 } },
218 [SECTION_ID_FRAME_SIDE_DATA_TIMECODE] = { SECTION_ID_FRAME_SIDE_DATA_TIMECODE, "timecode", 0, { -1 } },
219 [SECTION_ID_FRAME_LOGS] = { SECTION_ID_FRAME_LOGS, "logs", SECTION_FLAG_IS_ARRAY, { SECTION_ID_FRAME_LOG, -1 } },
220 [SECTION_ID_FRAME_LOG] = { SECTION_ID_FRAME_LOG, "log", 0, { -1 }, },
221 [SECTION_ID_LIBRARY_VERSIONS] = { SECTION_ID_LIBRARY_VERSIONS, "library_versions", SECTION_FLAG_IS_ARRAY, { SECTION_ID_LIBRARY_VERSION, -1 } },
222 [SECTION_ID_LIBRARY_VERSION] = { SECTION_ID_LIBRARY_VERSION, "library_version", 0, { -1 } },
223 [SECTION_ID_PACKETS] = { SECTION_ID_PACKETS, "packets", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PACKET, -1} },
224 [SECTION_ID_PACKETS_AND_FRAMES] = { SECTION_ID_PACKETS_AND_FRAMES, "packets_and_frames", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PACKET, -1} },
225 [SECTION_ID_PACKET] = { SECTION_ID_PACKET, "packet", 0, { SECTION_ID_PACKET_TAGS, SECTION_ID_PACKET_SIDE_DATA_LIST, -1 } },
226 [SECTION_ID_PACKET_TAGS] = { SECTION_ID_PACKET_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "packet_tags" },
227 [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" },
228 [SECTION_ID_PACKET_SIDE_DATA] = { SECTION_ID_PACKET_SIDE_DATA, "side_data", 0, { -1 } },
229 [SECTION_ID_PIXEL_FORMATS] = { SECTION_ID_PIXEL_FORMATS, "pixel_formats", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PIXEL_FORMAT, -1 } },
230 [SECTION_ID_PIXEL_FORMAT] = { SECTION_ID_PIXEL_FORMAT, "pixel_format", 0, { SECTION_ID_PIXEL_FORMAT_FLAGS, SECTION_ID_PIXEL_FORMAT_COMPONENTS, -1 } },
231 [SECTION_ID_PIXEL_FORMAT_FLAGS] = { SECTION_ID_PIXEL_FORMAT_FLAGS, "flags", 0, { -1 }, .unique_name = "pixel_format_flags" },
232 [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" },
233 [SECTION_ID_PIXEL_FORMAT_COMPONENT] = { SECTION_ID_PIXEL_FORMAT_COMPONENT, "component", 0, { -1 } },
234 [SECTION_ID_PROGRAM_STREAM_DISPOSITION] = { SECTION_ID_PROGRAM_STREAM_DISPOSITION, "disposition", 0, { -1 }, .unique_name = "program_stream_disposition" },
235 [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" },
236 [SECTION_ID_PROGRAM] = { SECTION_ID_PROGRAM, "program", 0, { SECTION_ID_PROGRAM_TAGS, SECTION_ID_PROGRAM_STREAMS, -1 } },
237 [SECTION_ID_PROGRAM_STREAMS] = { SECTION_ID_PROGRAM_STREAMS, "streams", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PROGRAM_STREAM, -1 }, .unique_name = "program_streams" },
238 [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" },
239 [SECTION_ID_PROGRAM_TAGS] = { SECTION_ID_PROGRAM_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "program_tags" },
240 [SECTION_ID_PROGRAM_VERSION] = { SECTION_ID_PROGRAM_VERSION, "program_version", 0, { -1 } },
241 [SECTION_ID_PROGRAMS] = { SECTION_ID_PROGRAMS, "programs", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PROGRAM, -1 } },
242 [SECTION_ID_ROOT] = { SECTION_ID_ROOT, "root", SECTION_FLAG_IS_WRAPPER,
243 { SECTION_ID_CHAPTERS, SECTION_ID_FORMAT, SECTION_ID_FRAMES, SECTION_ID_PROGRAMS, SECTION_ID_STREAMS,
244 SECTION_ID_PACKETS, SECTION_ID_ERROR, SECTION_ID_PROGRAM_VERSION, SECTION_ID_LIBRARY_VERSIONS,
245 SECTION_ID_PIXEL_FORMATS, -1} },
246 [SECTION_ID_STREAMS] = { SECTION_ID_STREAMS, "streams", SECTION_FLAG_IS_ARRAY, { SECTION_ID_STREAM, -1 } },
247 [SECTION_ID_STREAM] = { SECTION_ID_STREAM, "stream", 0, { SECTION_ID_STREAM_DISPOSITION, SECTION_ID_STREAM_TAGS, SECTION_ID_STREAM_SIDE_DATA_LIST, -1 } },
248 [SECTION_ID_STREAM_DISPOSITION] = { SECTION_ID_STREAM_DISPOSITION, "disposition", 0, { -1 }, .unique_name = "stream_disposition" },
249 [SECTION_ID_STREAM_TAGS] = { SECTION_ID_STREAM_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "stream_tags" },
250 [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" },
251 [SECTION_ID_STREAM_SIDE_DATA] = { SECTION_ID_STREAM_SIDE_DATA, "side_data", 0, { -1 } },
252 [SECTION_ID_SUBTITLE] = { SECTION_ID_SUBTITLE, "subtitle", 0, { -1 } },
253 };
254
255 static const OptionDef *options;
256
257 /* FFprobe context */
258 static const char *input_filename;
259 static const char *print_input_filename;
260 static AVInputFormat *iformat = NULL;
261
262 static struct AVHashContext *hash;
263
264 static const struct {
265 double bin_val;
266 double dec_val;
267 const char *bin_str;
268 const char *dec_str;
269 } si_prefixes[] = {
270 { 1.0, 1.0, "", "" },
271 { 1.024e3, 1e3, "Ki", "K" },
272 { 1.048576e6, 1e6, "Mi", "M" },
273 { 1.073741824e9, 1e9, "Gi", "G" },
274 { 1.099511627776e12, 1e12, "Ti", "T" },
275 { 1.125899906842624e15, 1e15, "Pi", "P" },
276 };
277
278 static const char unit_second_str[] = "s" ;
279 static const char unit_hertz_str[] = "Hz" ;
280 static const char unit_byte_str[] = "byte" ;
281 static const char unit_bit_per_second_str[] = "bit/s";
282
283 static int nb_streams;
284 static uint64_t *nb_streams_packets;
285 static uint64_t *nb_streams_frames;
286 static int *selected_streams;
287
288 #if HAVE_THREADS
289 pthread_mutex_t log_mutex;
290 #endif
291 typedef struct LogBuffer {
292 char *context_name;
293 int log_level;
294 char *log_message;
295 AVClassCategory category;
296 char *parent_name;
297 AVClassCategory parent_category;
298 }LogBuffer;
299
300 static LogBuffer *log_buffer;
301 static int log_buffer_size;
302
log_callback(void * ptr,int level,const char * fmt,va_list vl)303 static void log_callback(void *ptr, int level, const char *fmt, va_list vl)
304 {
305 AVClass* avc = ptr ? *(AVClass **) ptr : NULL;
306 va_list vl2;
307 char line[1024];
308 static int print_prefix = 1;
309 void *new_log_buffer;
310
311 va_copy(vl2, vl);
312 av_log_default_callback(ptr, level, fmt, vl);
313 av_log_format_line(ptr, level, fmt, vl2, line, sizeof(line), &print_prefix);
314 va_end(vl2);
315
316 #if HAVE_THREADS
317 pthread_mutex_lock(&log_mutex);
318
319 new_log_buffer = av_realloc_array(log_buffer, log_buffer_size + 1, sizeof(*log_buffer));
320 if (new_log_buffer) {
321 char *msg;
322 int i;
323
324 log_buffer = new_log_buffer;
325 memset(&log_buffer[log_buffer_size], 0, sizeof(log_buffer[log_buffer_size]));
326 log_buffer[log_buffer_size].context_name= avc ? av_strdup(avc->item_name(ptr)) : NULL;
327 if (avc) {
328 if (avc->get_category) log_buffer[log_buffer_size].category = avc->get_category(ptr);
329 else log_buffer[log_buffer_size].category = avc->category;
330 }
331 log_buffer[log_buffer_size].log_level = level;
332 msg = log_buffer[log_buffer_size].log_message = av_strdup(line);
333 for (i=strlen(msg) - 1; i>=0 && msg[i] == '\n'; i--) {
334 msg[i] = 0;
335 }
336 if (avc && avc->parent_log_context_offset) {
337 AVClass** parent = *(AVClass ***) (((uint8_t *) ptr) +
338 avc->parent_log_context_offset);
339 if (parent && *parent) {
340 log_buffer[log_buffer_size].parent_name = av_strdup((*parent)->item_name(parent));
341 log_buffer[log_buffer_size].parent_category =
342 (*parent)->get_category ? (*parent)->get_category(parent) :(*parent)->category;
343 }
344 }
345 log_buffer_size ++;
346 }
347
348 pthread_mutex_unlock(&log_mutex);
349 #endif
350 }
351
ffprobe_cleanup(int ret)352 static void ffprobe_cleanup(int ret)
353 {
354 int i;
355 for (i = 0; i < FF_ARRAY_ELEMS(sections); i++)
356 av_dict_free(&(sections[i].entries_to_show));
357
358 #if HAVE_THREADS
359 pthread_mutex_destroy(&log_mutex);
360 #endif
361 }
362
363 struct unit_value {
364 union { double d; long long int i; } val;
365 const char *unit;
366 };
367
value_string(char * buf,int buf_size,struct unit_value uv)368 static char *value_string(char *buf, int buf_size, struct unit_value uv)
369 {
370 double vald;
371 long long int vali;
372 int show_float = 0;
373
374 if (uv.unit == unit_second_str) {
375 vald = uv.val.d;
376 show_float = 1;
377 } else {
378 vald = vali = uv.val.i;
379 }
380
381 if (uv.unit == unit_second_str && use_value_sexagesimal_format) {
382 double secs;
383 int hours, mins;
384 secs = vald;
385 mins = (int)secs / 60;
386 secs = secs - mins * 60;
387 hours = mins / 60;
388 mins %= 60;
389 snprintf(buf, buf_size, "%d:%02d:%09.6f", hours, mins, secs);
390 } else {
391 const char *prefix_string = "";
392
393 if (use_value_prefix && vald > 1) {
394 long long int index;
395
396 if (uv.unit == unit_byte_str && use_byte_value_binary_prefix) {
397 index = (long long int) (log2(vald)) / 10;
398 index = av_clip(index, 0, FF_ARRAY_ELEMS(si_prefixes) - 1);
399 vald /= si_prefixes[index].bin_val;
400 prefix_string = si_prefixes[index].bin_str;
401 } else {
402 index = (long long int) (log10(vald)) / 3;
403 index = av_clip(index, 0, FF_ARRAY_ELEMS(si_prefixes) - 1);
404 vald /= si_prefixes[index].dec_val;
405 prefix_string = si_prefixes[index].dec_str;
406 }
407 vali = vald;
408 }
409
410 if (show_float || (use_value_prefix && vald != (long long int)vald))
411 snprintf(buf, buf_size, "%f", vald);
412 else
413 snprintf(buf, buf_size, "%lld", vali);
414 av_strlcatf(buf, buf_size, "%s%s%s", *prefix_string || show_value_unit ? " " : "",
415 prefix_string, show_value_unit ? uv.unit : "");
416 }
417
418 return buf;
419 }
420
421 /* WRITERS API */
422
423 typedef struct WriterContext WriterContext;
424
425 #define WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS 1
426 #define WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER 2
427
428 typedef enum {
429 WRITER_STRING_VALIDATION_FAIL,
430 WRITER_STRING_VALIDATION_REPLACE,
431 WRITER_STRING_VALIDATION_IGNORE,
432 WRITER_STRING_VALIDATION_NB
433 } StringValidation;
434
435 typedef struct Writer {
436 const AVClass *priv_class; ///< private class of the writer, if any
437 int priv_size; ///< private size for the writer context
438 const char *name;
439
440 int (*init) (WriterContext *wctx);
441 void (*uninit)(WriterContext *wctx);
442
443 void (*print_section_header)(WriterContext *wctx);
444 void (*print_section_footer)(WriterContext *wctx);
445 void (*print_integer) (WriterContext *wctx, const char *, long long int);
446 void (*print_rational) (WriterContext *wctx, AVRational *q, char *sep);
447 void (*print_string) (WriterContext *wctx, const char *, const char *);
448 int flags; ///< a combination or WRITER_FLAG_*
449 } Writer;
450
451 #define SECTION_MAX_NB_LEVELS 10
452
453 struct WriterContext {
454 const AVClass *class; ///< class of the writer
455 const Writer *writer; ///< the Writer of which this is an instance
456 char *name; ///< name of this writer instance
457 void *priv; ///< private data for use by the filter
458
459 const struct section *sections; ///< array containing all sections
460 int nb_sections; ///< number of sections
461
462 int level; ///< current level, starting from 0
463
464 /** number of the item printed in the given section, starting from 0 */
465 unsigned int nb_item[SECTION_MAX_NB_LEVELS];
466
467 /** section per each level */
468 const struct section *section[SECTION_MAX_NB_LEVELS];
469 AVBPrint section_pbuf[SECTION_MAX_NB_LEVELS]; ///< generic print buffer dedicated to each section,
470 /// used by various writers
471
472 unsigned int nb_section_packet; ///< number of the packet section in case we are in "packets_and_frames" section
473 unsigned int nb_section_frame; ///< number of the frame section in case we are in "packets_and_frames" section
474 unsigned int nb_section_packet_frame; ///< nb_section_packet or nb_section_frame according if is_packets_and_frames
475
476 int string_validation;
477 char *string_validation_replacement;
478 unsigned int string_validation_utf8_flags;
479 };
480
writer_get_name(void * p)481 static const char *writer_get_name(void *p)
482 {
483 WriterContext *wctx = p;
484 return wctx->writer->name;
485 }
486
487 #define OFFSET(x) offsetof(WriterContext, x)
488
489 static const AVOption writer_options[] = {
490 { "string_validation", "set string validation mode",
491 OFFSET(string_validation), AV_OPT_TYPE_INT, {.i64=WRITER_STRING_VALIDATION_REPLACE}, 0, WRITER_STRING_VALIDATION_NB-1, .unit = "sv" },
492 { "sv", "set string validation mode",
493 OFFSET(string_validation), AV_OPT_TYPE_INT, {.i64=WRITER_STRING_VALIDATION_REPLACE}, 0, WRITER_STRING_VALIDATION_NB-1, .unit = "sv" },
494 { "ignore", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = WRITER_STRING_VALIDATION_IGNORE}, .unit = "sv" },
495 { "replace", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = WRITER_STRING_VALIDATION_REPLACE}, .unit = "sv" },
496 { "fail", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = WRITER_STRING_VALIDATION_FAIL}, .unit = "sv" },
497 { "string_validation_replacement", "set string validation replacement string", OFFSET(string_validation_replacement), AV_OPT_TYPE_STRING, {.str=""}},
498 { "svr", "set string validation replacement string", OFFSET(string_validation_replacement), AV_OPT_TYPE_STRING, {.str="\xEF\xBF\xBD"}},
499 { NULL }
500 };
501
writer_child_next(void * obj,void * prev)502 static void *writer_child_next(void *obj, void *prev)
503 {
504 WriterContext *ctx = obj;
505 if (!prev && ctx->writer && ctx->writer->priv_class && ctx->priv)
506 return ctx->priv;
507 return NULL;
508 }
509
510 static const AVClass writer_class = {
511 .class_name = "Writer",
512 .item_name = writer_get_name,
513 .option = writer_options,
514 .version = LIBAVUTIL_VERSION_INT,
515 .child_next = writer_child_next,
516 };
517
writer_close(WriterContext ** wctx)518 static void writer_close(WriterContext **wctx)
519 {
520 int i;
521
522 if (!*wctx)
523 return;
524
525 if ((*wctx)->writer->uninit)
526 (*wctx)->writer->uninit(*wctx);
527 for (i = 0; i < SECTION_MAX_NB_LEVELS; i++)
528 av_bprint_finalize(&(*wctx)->section_pbuf[i], NULL);
529 if ((*wctx)->writer->priv_class)
530 av_opt_free((*wctx)->priv);
531 av_freep(&((*wctx)->priv));
532 av_opt_free(*wctx);
533 av_freep(wctx);
534 }
535
bprint_bytes(AVBPrint * bp,const uint8_t * ubuf,size_t ubuf_size)536 static void bprint_bytes(AVBPrint *bp, const uint8_t *ubuf, size_t ubuf_size)
537 {
538 int i;
539 av_bprintf(bp, "0X");
540 for (i = 0; i < ubuf_size; i++)
541 av_bprintf(bp, "%02X", ubuf[i]);
542 }
543
544
writer_open(WriterContext ** wctx,const Writer * writer,const char * args,const struct section * sections,int nb_sections)545 static int writer_open(WriterContext **wctx, const Writer *writer, const char *args,
546 const struct section *sections, int nb_sections)
547 {
548 int i, ret = 0;
549
550 if (!(*wctx = av_mallocz(sizeof(WriterContext)))) {
551 ret = AVERROR(ENOMEM);
552 goto fail;
553 }
554
555 if (!((*wctx)->priv = av_mallocz(writer->priv_size))) {
556 ret = AVERROR(ENOMEM);
557 goto fail;
558 }
559
560 (*wctx)->class = &writer_class;
561 (*wctx)->writer = writer;
562 (*wctx)->level = -1;
563 (*wctx)->sections = sections;
564 (*wctx)->nb_sections = nb_sections;
565
566 av_opt_set_defaults(*wctx);
567
568 if (writer->priv_class) {
569 void *priv_ctx = (*wctx)->priv;
570 *((const AVClass **)priv_ctx) = writer->priv_class;
571 av_opt_set_defaults(priv_ctx);
572 }
573
574 /* convert options to dictionary */
575 if (args) {
576 AVDictionary *opts = NULL;
577 AVDictionaryEntry *opt = NULL;
578
579 if ((ret = av_dict_parse_string(&opts, args, "=", ":", 0)) < 0) {
580 av_log(*wctx, AV_LOG_ERROR, "Failed to parse option string '%s' provided to writer context\n", args);
581 av_dict_free(&opts);
582 goto fail;
583 }
584
585 while ((opt = av_dict_get(opts, "", opt, AV_DICT_IGNORE_SUFFIX))) {
586 if ((ret = av_opt_set(*wctx, opt->key, opt->value, AV_OPT_SEARCH_CHILDREN)) < 0) {
587 av_log(*wctx, AV_LOG_ERROR, "Failed to set option '%s' with value '%s' provided to writer context\n",
588 opt->key, opt->value);
589 av_dict_free(&opts);
590 goto fail;
591 }
592 }
593
594 av_dict_free(&opts);
595 }
596
597 /* validate replace string */
598 {
599 const uint8_t *p = (*wctx)->string_validation_replacement;
600 const uint8_t *endp = p + strlen(p);
601 while (*p) {
602 const uint8_t *p0 = p;
603 int32_t code;
604 ret = av_utf8_decode(&code, &p, endp, (*wctx)->string_validation_utf8_flags);
605 if (ret < 0) {
606 AVBPrint bp;
607 av_bprint_init(&bp, 0, AV_BPRINT_SIZE_AUTOMATIC);
608 bprint_bytes(&bp, p0, p-p0),
609 av_log(wctx, AV_LOG_ERROR,
610 "Invalid UTF8 sequence %s found in string validation replace '%s'\n",
611 bp.str, (*wctx)->string_validation_replacement);
612 return ret;
613 }
614 }
615 }
616
617 for (i = 0; i < SECTION_MAX_NB_LEVELS; i++)
618 av_bprint_init(&(*wctx)->section_pbuf[i], 1, AV_BPRINT_SIZE_UNLIMITED);
619
620 if ((*wctx)->writer->init)
621 ret = (*wctx)->writer->init(*wctx);
622 if (ret < 0)
623 goto fail;
624
625 return 0;
626
627 fail:
628 writer_close(wctx);
629 return ret;
630 }
631
writer_print_section_header(WriterContext * wctx,int section_id)632 static inline void writer_print_section_header(WriterContext *wctx,
633 int section_id)
634 {
635 int parent_section_id;
636 wctx->level++;
637 av_assert0(wctx->level < SECTION_MAX_NB_LEVELS);
638 parent_section_id = wctx->level ?
639 (wctx->section[wctx->level-1])->id : SECTION_ID_NONE;
640
641 wctx->nb_item[wctx->level] = 0;
642 wctx->section[wctx->level] = &wctx->sections[section_id];
643
644 if (section_id == SECTION_ID_PACKETS_AND_FRAMES) {
645 wctx->nb_section_packet = wctx->nb_section_frame =
646 wctx->nb_section_packet_frame = 0;
647 } else if (parent_section_id == SECTION_ID_PACKETS_AND_FRAMES) {
648 wctx->nb_section_packet_frame = section_id == SECTION_ID_PACKET ?
649 wctx->nb_section_packet : wctx->nb_section_frame;
650 }
651
652 if (wctx->writer->print_section_header)
653 wctx->writer->print_section_header(wctx);
654 }
655
writer_print_section_footer(WriterContext * wctx)656 static inline void writer_print_section_footer(WriterContext *wctx)
657 {
658 int section_id = wctx->section[wctx->level]->id;
659 int parent_section_id = wctx->level ?
660 wctx->section[wctx->level-1]->id : SECTION_ID_NONE;
661
662 if (parent_section_id != SECTION_ID_NONE)
663 wctx->nb_item[wctx->level-1]++;
664 if (parent_section_id == SECTION_ID_PACKETS_AND_FRAMES) {
665 if (section_id == SECTION_ID_PACKET) wctx->nb_section_packet++;
666 else wctx->nb_section_frame++;
667 }
668 if (wctx->writer->print_section_footer)
669 wctx->writer->print_section_footer(wctx);
670 wctx->level--;
671 }
672
writer_print_integer(WriterContext * wctx,const char * key,long long int val)673 static inline void writer_print_integer(WriterContext *wctx,
674 const char *key, long long int val)
675 {
676 const struct section *section = wctx->section[wctx->level];
677
678 if (section->show_all_entries || av_dict_get(section->entries_to_show, key, NULL, 0)) {
679 wctx->writer->print_integer(wctx, key, val);
680 wctx->nb_item[wctx->level]++;
681 }
682 }
683
validate_string(WriterContext * wctx,char ** dstp,const char * src)684 static inline int validate_string(WriterContext *wctx, char **dstp, const char *src)
685 {
686 const uint8_t *p, *endp;
687 AVBPrint dstbuf;
688 int invalid_chars_nb = 0, ret = 0;
689
690 av_bprint_init(&dstbuf, 0, AV_BPRINT_SIZE_UNLIMITED);
691
692 endp = src + strlen(src);
693 for (p = (uint8_t *)src; *p;) {
694 uint32_t code;
695 int invalid = 0;
696 const uint8_t *p0 = p;
697
698 if (av_utf8_decode(&code, &p, endp, wctx->string_validation_utf8_flags) < 0) {
699 AVBPrint bp;
700 av_bprint_init(&bp, 0, AV_BPRINT_SIZE_AUTOMATIC);
701 bprint_bytes(&bp, p0, p-p0);
702 av_log(wctx, AV_LOG_DEBUG,
703 "Invalid UTF-8 sequence %s found in string '%s'\n", bp.str, src);
704 invalid = 1;
705 }
706
707 if (invalid) {
708 invalid_chars_nb++;
709
710 switch (wctx->string_validation) {
711 case WRITER_STRING_VALIDATION_FAIL:
712 av_log(wctx, AV_LOG_ERROR,
713 "Invalid UTF-8 sequence found in string '%s'\n", src);
714 ret = AVERROR_INVALIDDATA;
715 goto end;
716 break;
717
718 case WRITER_STRING_VALIDATION_REPLACE:
719 av_bprintf(&dstbuf, "%s", wctx->string_validation_replacement);
720 break;
721 }
722 }
723
724 if (!invalid || wctx->string_validation == WRITER_STRING_VALIDATION_IGNORE)
725 av_bprint_append_data(&dstbuf, p0, p-p0);
726 }
727
728 if (invalid_chars_nb && wctx->string_validation == WRITER_STRING_VALIDATION_REPLACE) {
729 av_log(wctx, AV_LOG_WARNING,
730 "%d invalid UTF-8 sequence(s) found in string '%s', replaced with '%s'\n",
731 invalid_chars_nb, src, wctx->string_validation_replacement);
732 }
733
734 end:
735 av_bprint_finalize(&dstbuf, dstp);
736 return ret;
737 }
738
739 #define PRINT_STRING_OPT 1
740 #define PRINT_STRING_VALIDATE 2
741
writer_print_string(WriterContext * wctx,const char * key,const char * val,int flags)742 static inline int writer_print_string(WriterContext *wctx,
743 const char *key, const char *val, int flags)
744 {
745 const struct section *section = wctx->section[wctx->level];
746 int ret = 0;
747
748 if ((flags & PRINT_STRING_OPT)
749 && !(wctx->writer->flags & WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS))
750 return 0;
751
752 if (section->show_all_entries || av_dict_get(section->entries_to_show, key, NULL, 0)) {
753 if (flags & PRINT_STRING_VALIDATE) {
754 char *key1 = NULL, *val1 = NULL;
755 ret = validate_string(wctx, &key1, key);
756 if (ret < 0) goto end;
757 ret = validate_string(wctx, &val1, val);
758 if (ret < 0) goto end;
759 wctx->writer->print_string(wctx, key1, val1);
760 end:
761 if (ret < 0) {
762 av_log(wctx, AV_LOG_ERROR,
763 "Invalid key=value string combination %s=%s in section %s\n",
764 key, val, section->unique_name);
765 }
766 av_free(key1);
767 av_free(val1);
768 } else {
769 wctx->writer->print_string(wctx, key, val);
770 }
771
772 wctx->nb_item[wctx->level]++;
773 }
774
775 return ret;
776 }
777
writer_print_rational(WriterContext * wctx,const char * key,AVRational q,char sep)778 static inline void writer_print_rational(WriterContext *wctx,
779 const char *key, AVRational q, char sep)
780 {
781 AVBPrint buf;
782 av_bprint_init(&buf, 0, AV_BPRINT_SIZE_AUTOMATIC);
783 av_bprintf(&buf, "%d%c%d", q.num, sep, q.den);
784 writer_print_string(wctx, key, buf.str, 0);
785 }
786
writer_print_time(WriterContext * wctx,const char * key,int64_t ts,const AVRational * time_base,int is_duration)787 static void writer_print_time(WriterContext *wctx, const char *key,
788 int64_t ts, const AVRational *time_base, int is_duration)
789 {
790 char buf[128];
791
792 if ((!is_duration && ts == AV_NOPTS_VALUE) || (is_duration && ts == 0)) {
793 writer_print_string(wctx, key, "N/A", PRINT_STRING_OPT);
794 } else {
795 double d = ts * av_q2d(*time_base);
796 struct unit_value uv;
797 uv.val.d = d;
798 uv.unit = unit_second_str;
799 value_string(buf, sizeof(buf), uv);
800 writer_print_string(wctx, key, buf, 0);
801 }
802 }
803
writer_print_ts(WriterContext * wctx,const char * key,int64_t ts,int is_duration)804 static void writer_print_ts(WriterContext *wctx, const char *key, int64_t ts, int is_duration)
805 {
806 if ((!is_duration && ts == AV_NOPTS_VALUE) || (is_duration && ts == 0)) {
807 writer_print_string(wctx, key, "N/A", PRINT_STRING_OPT);
808 } else {
809 writer_print_integer(wctx, key, ts);
810 }
811 }
812
writer_print_data(WriterContext * wctx,const char * name,uint8_t * data,int size)813 static void writer_print_data(WriterContext *wctx, const char *name,
814 uint8_t *data, int size)
815 {
816 AVBPrint bp;
817 int offset = 0, l, i;
818
819 av_bprint_init(&bp, 0, AV_BPRINT_SIZE_UNLIMITED);
820 av_bprintf(&bp, "\n");
821 while (size) {
822 av_bprintf(&bp, "%08x: ", offset);
823 l = FFMIN(size, 16);
824 for (i = 0; i < l; i++) {
825 av_bprintf(&bp, "%02x", data[i]);
826 if (i & 1)
827 av_bprintf(&bp, " ");
828 }
829 av_bprint_chars(&bp, ' ', 41 - 2 * i - i / 2);
830 for (i = 0; i < l; i++)
831 av_bprint_chars(&bp, data[i] - 32U < 95 ? data[i] : '.', 1);
832 av_bprintf(&bp, "\n");
833 offset += l;
834 data += l;
835 size -= l;
836 }
837 writer_print_string(wctx, name, bp.str, 0);
838 av_bprint_finalize(&bp, NULL);
839 }
840
writer_print_data_hash(WriterContext * wctx,const char * name,uint8_t * data,int size)841 static void writer_print_data_hash(WriterContext *wctx, const char *name,
842 uint8_t *data, int size)
843 {
844 char *p, buf[AV_HASH_MAX_SIZE * 2 + 64] = { 0 };
845
846 if (!hash)
847 return;
848 av_hash_init(hash);
849 av_hash_update(hash, data, size);
850 snprintf(buf, sizeof(buf), "%s:", av_hash_get_name(hash));
851 p = buf + strlen(buf);
852 av_hash_final_hex(hash, p, buf + sizeof(buf) - p);
853 writer_print_string(wctx, name, buf, 0);
854 }
855
writer_print_integers(WriterContext * wctx,const char * name,uint8_t * data,int size,const char * format,int columns,int bytes,int offset_add)856 static void writer_print_integers(WriterContext *wctx, const char *name,
857 uint8_t *data, int size, const char *format,
858 int columns, int bytes, int offset_add)
859 {
860 AVBPrint bp;
861 int offset = 0, l, i;
862
863 av_bprint_init(&bp, 0, AV_BPRINT_SIZE_UNLIMITED);
864 av_bprintf(&bp, "\n");
865 while (size) {
866 av_bprintf(&bp, "%08x: ", offset);
867 l = FFMIN(size, columns);
868 for (i = 0; i < l; i++) {
869 if (bytes == 1) av_bprintf(&bp, format, *data);
870 else if (bytes == 2) av_bprintf(&bp, format, AV_RN16(data));
871 else if (bytes == 4) av_bprintf(&bp, format, AV_RN32(data));
872 data += bytes;
873 size --;
874 }
875 av_bprintf(&bp, "\n");
876 offset += offset_add;
877 }
878 writer_print_string(wctx, name, bp.str, 0);
879 av_bprint_finalize(&bp, NULL);
880 }
881
882 #define MAX_REGISTERED_WRITERS_NB 64
883
884 static const Writer *registered_writers[MAX_REGISTERED_WRITERS_NB + 1];
885
writer_register(const Writer * writer)886 static int writer_register(const Writer *writer)
887 {
888 static int next_registered_writer_idx = 0;
889
890 if (next_registered_writer_idx == MAX_REGISTERED_WRITERS_NB)
891 return AVERROR(ENOMEM);
892
893 registered_writers[next_registered_writer_idx++] = writer;
894 return 0;
895 }
896
writer_get_by_name(const char * name)897 static const Writer *writer_get_by_name(const char *name)
898 {
899 int i;
900
901 for (i = 0; registered_writers[i]; i++)
902 if (!strcmp(registered_writers[i]->name, name))
903 return registered_writers[i];
904
905 return NULL;
906 }
907
908
909 /* WRITERS */
910
911 #define DEFINE_WRITER_CLASS(name) \
912 static const char *name##_get_name(void *ctx) \
913 { \
914 return #name ; \
915 } \
916 static const AVClass name##_class = { \
917 .class_name = #name, \
918 .item_name = name##_get_name, \
919 .option = name##_options \
920 }
921
922 /* Default output */
923
924 typedef struct DefaultContext {
925 const AVClass *class;
926 int nokey;
927 int noprint_wrappers;
928 int nested_section[SECTION_MAX_NB_LEVELS];
929 } DefaultContext;
930
931 #undef OFFSET
932 #define OFFSET(x) offsetof(DefaultContext, x)
933
934 static const AVOption default_options[] = {
935 { "noprint_wrappers", "do not print headers and footers", OFFSET(noprint_wrappers), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
936 { "nw", "do not print headers and footers", OFFSET(noprint_wrappers), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
937 { "nokey", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
938 { "nk", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
939 {NULL},
940 };
941
942 DEFINE_WRITER_CLASS(default);
943
944 /* lame uppercasing routine, assumes the string is lower case ASCII */
upcase_string(char * dst,size_t dst_size,const char * src)945 static inline char *upcase_string(char *dst, size_t dst_size, const char *src)
946 {
947 int i;
948 for (i = 0; src[i] && i < dst_size-1; i++)
949 dst[i] = av_toupper(src[i]);
950 dst[i] = 0;
951 return dst;
952 }
953
default_print_section_header(WriterContext * wctx)954 static void default_print_section_header(WriterContext *wctx)
955 {
956 DefaultContext *def = wctx->priv;
957 char buf[32];
958 const struct section *section = wctx->section[wctx->level];
959 const struct section *parent_section = wctx->level ?
960 wctx->section[wctx->level-1] : NULL;
961
962 av_bprint_clear(&wctx->section_pbuf[wctx->level]);
963 if (parent_section &&
964 !(parent_section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY))) {
965 def->nested_section[wctx->level] = 1;
966 av_bprintf(&wctx->section_pbuf[wctx->level], "%s%s:",
967 wctx->section_pbuf[wctx->level-1].str,
968 upcase_string(buf, sizeof(buf),
969 av_x_if_null(section->element_name, section->name)));
970 }
971
972 if (def->noprint_wrappers || def->nested_section[wctx->level])
973 return;
974
975 if (!(section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY)))
976 printf("[%s]\n", upcase_string(buf, sizeof(buf), section->name));
977 }
978
default_print_section_footer(WriterContext * wctx)979 static void default_print_section_footer(WriterContext *wctx)
980 {
981 DefaultContext *def = wctx->priv;
982 const struct section *section = wctx->section[wctx->level];
983 char buf[32];
984
985 if (def->noprint_wrappers || def->nested_section[wctx->level])
986 return;
987
988 if (!(section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY)))
989 printf("[/%s]\n", upcase_string(buf, sizeof(buf), section->name));
990 }
991
default_print_str(WriterContext * wctx,const char * key,const char * value)992 static void default_print_str(WriterContext *wctx, const char *key, const char *value)
993 {
994 DefaultContext *def = wctx->priv;
995
996 if (!def->nokey)
997 printf("%s%s=", wctx->section_pbuf[wctx->level].str, key);
998 printf("%s\n", value);
999 }
1000
default_print_int(WriterContext * wctx,const char * key,long long int value)1001 static void default_print_int(WriterContext *wctx, const char *key, long long int value)
1002 {
1003 DefaultContext *def = wctx->priv;
1004
1005 if (!def->nokey)
1006 printf("%s%s=", wctx->section_pbuf[wctx->level].str, key);
1007 printf("%lld\n", value);
1008 }
1009
1010 static const Writer default_writer = {
1011 .name = "default",
1012 .priv_size = sizeof(DefaultContext),
1013 .print_section_header = default_print_section_header,
1014 .print_section_footer = default_print_section_footer,
1015 .print_integer = default_print_int,
1016 .print_string = default_print_str,
1017 .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS,
1018 .priv_class = &default_class,
1019 };
1020
1021 /* Compact output */
1022
1023 /**
1024 * Apply C-language-like string escaping.
1025 */
c_escape_str(AVBPrint * dst,const char * src,const char sep,void * log_ctx)1026 static const char *c_escape_str(AVBPrint *dst, const char *src, const char sep, void *log_ctx)
1027 {
1028 const char *p;
1029
1030 for (p = src; *p; p++) {
1031 switch (*p) {
1032 case '\b': av_bprintf(dst, "%s", "\\b"); break;
1033 case '\f': av_bprintf(dst, "%s", "\\f"); break;
1034 case '\n': av_bprintf(dst, "%s", "\\n"); break;
1035 case '\r': av_bprintf(dst, "%s", "\\r"); break;
1036 case '\\': av_bprintf(dst, "%s", "\\\\"); break;
1037 default:
1038 if (*p == sep)
1039 av_bprint_chars(dst, '\\', 1);
1040 av_bprint_chars(dst, *p, 1);
1041 }
1042 }
1043 return dst->str;
1044 }
1045
1046 /**
1047 * Quote fields containing special characters, check RFC4180.
1048 */
csv_escape_str(AVBPrint * dst,const char * src,const char sep,void * log_ctx)1049 static const char *csv_escape_str(AVBPrint *dst, const char *src, const char sep, void *log_ctx)
1050 {
1051 char meta_chars[] = { sep, '"', '\n', '\r', '\0' };
1052 int needs_quoting = !!src[strcspn(src, meta_chars)];
1053
1054 if (needs_quoting)
1055 av_bprint_chars(dst, '"', 1);
1056
1057 for (; *src; src++) {
1058 if (*src == '"')
1059 av_bprint_chars(dst, '"', 1);
1060 av_bprint_chars(dst, *src, 1);
1061 }
1062 if (needs_quoting)
1063 av_bprint_chars(dst, '"', 1);
1064 return dst->str;
1065 }
1066
none_escape_str(AVBPrint * dst,const char * src,const char sep,void * log_ctx)1067 static const char *none_escape_str(AVBPrint *dst, const char *src, const char sep, void *log_ctx)
1068 {
1069 return src;
1070 }
1071
1072 typedef struct CompactContext {
1073 const AVClass *class;
1074 char *item_sep_str;
1075 char item_sep;
1076 int nokey;
1077 int print_section;
1078 char *escape_mode_str;
1079 const char * (*escape_str)(AVBPrint *dst, const char *src, const char sep, void *log_ctx);
1080 int nested_section[SECTION_MAX_NB_LEVELS];
1081 int has_nested_elems[SECTION_MAX_NB_LEVELS];
1082 int terminate_line[SECTION_MAX_NB_LEVELS];
1083 } CompactContext;
1084
1085 #undef OFFSET
1086 #define OFFSET(x) offsetof(CompactContext, x)
1087
1088 static const AVOption compact_options[]= {
1089 {"item_sep", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str="|"}, 0, 0 },
1090 {"s", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str="|"}, 0, 0 },
1091 {"nokey", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
1092 {"nk", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
1093 {"escape", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="c"}, 0, 0 },
1094 {"e", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="c"}, 0, 0 },
1095 {"print_section", "print section name", OFFSET(print_section), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
1096 {"p", "print section name", OFFSET(print_section), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
1097 {NULL},
1098 };
1099
1100 DEFINE_WRITER_CLASS(compact);
1101
compact_init(WriterContext * wctx)1102 static av_cold int compact_init(WriterContext *wctx)
1103 {
1104 CompactContext *compact = wctx->priv;
1105
1106 if (strlen(compact->item_sep_str) != 1) {
1107 av_log(wctx, AV_LOG_ERROR, "Item separator '%s' specified, but must contain a single character\n",
1108 compact->item_sep_str);
1109 return AVERROR(EINVAL);
1110 }
1111 compact->item_sep = compact->item_sep_str[0];
1112
1113 if (!strcmp(compact->escape_mode_str, "none")) compact->escape_str = none_escape_str;
1114 else if (!strcmp(compact->escape_mode_str, "c" )) compact->escape_str = c_escape_str;
1115 else if (!strcmp(compact->escape_mode_str, "csv" )) compact->escape_str = csv_escape_str;
1116 else {
1117 av_log(wctx, AV_LOG_ERROR, "Unknown escape mode '%s'\n", compact->escape_mode_str);
1118 return AVERROR(EINVAL);
1119 }
1120
1121 return 0;
1122 }
1123
compact_print_section_header(WriterContext * wctx)1124 static void compact_print_section_header(WriterContext *wctx)
1125 {
1126 CompactContext *compact = wctx->priv;
1127 const struct section *section = wctx->section[wctx->level];
1128 const struct section *parent_section = wctx->level ?
1129 wctx->section[wctx->level-1] : NULL;
1130 compact->terminate_line[wctx->level] = 1;
1131 compact->has_nested_elems[wctx->level] = 0;
1132
1133 av_bprint_clear(&wctx->section_pbuf[wctx->level]);
1134 if (!(section->flags & SECTION_FLAG_IS_ARRAY) && parent_section &&
1135 !(parent_section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY))) {
1136 compact->nested_section[wctx->level] = 1;
1137 compact->has_nested_elems[wctx->level-1] = 1;
1138 av_bprintf(&wctx->section_pbuf[wctx->level], "%s%s:",
1139 wctx->section_pbuf[wctx->level-1].str,
1140 (char *)av_x_if_null(section->element_name, section->name));
1141 wctx->nb_item[wctx->level] = wctx->nb_item[wctx->level-1];
1142 } else {
1143 if (parent_section && compact->has_nested_elems[wctx->level-1] &&
1144 (section->flags & SECTION_FLAG_IS_ARRAY)) {
1145 compact->terminate_line[wctx->level-1] = 0;
1146 printf("\n");
1147 }
1148 if (compact->print_section &&
1149 !(section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY)))
1150 printf("%s%c", section->name, compact->item_sep);
1151 }
1152 }
1153
compact_print_section_footer(WriterContext * wctx)1154 static void compact_print_section_footer(WriterContext *wctx)
1155 {
1156 CompactContext *compact = wctx->priv;
1157
1158 if (!compact->nested_section[wctx->level] &&
1159 compact->terminate_line[wctx->level] &&
1160 !(wctx->section[wctx->level]->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY)))
1161 printf("\n");
1162 }
1163
compact_print_str(WriterContext * wctx,const char * key,const char * value)1164 static void compact_print_str(WriterContext *wctx, const char *key, const char *value)
1165 {
1166 CompactContext *compact = wctx->priv;
1167 AVBPrint buf;
1168
1169 if (wctx->nb_item[wctx->level]) printf("%c", compact->item_sep);
1170 if (!compact->nokey)
1171 printf("%s%s=", wctx->section_pbuf[wctx->level].str, key);
1172 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1173 printf("%s", compact->escape_str(&buf, value, compact->item_sep, wctx));
1174 av_bprint_finalize(&buf, NULL);
1175 }
1176
compact_print_int(WriterContext * wctx,const char * key,long long int value)1177 static void compact_print_int(WriterContext *wctx, const char *key, long long int value)
1178 {
1179 CompactContext *compact = wctx->priv;
1180
1181 if (wctx->nb_item[wctx->level]) printf("%c", compact->item_sep);
1182 if (!compact->nokey)
1183 printf("%s%s=", wctx->section_pbuf[wctx->level].str, key);
1184 printf("%lld", value);
1185 }
1186
1187 static const Writer compact_writer = {
1188 .name = "compact",
1189 .priv_size = sizeof(CompactContext),
1190 .init = compact_init,
1191 .print_section_header = compact_print_section_header,
1192 .print_section_footer = compact_print_section_footer,
1193 .print_integer = compact_print_int,
1194 .print_string = compact_print_str,
1195 .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS,
1196 .priv_class = &compact_class,
1197 };
1198
1199 /* CSV output */
1200
1201 #undef OFFSET
1202 #define OFFSET(x) offsetof(CompactContext, x)
1203
1204 static const AVOption csv_options[] = {
1205 {"item_sep", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str=","}, 0, 0 },
1206 {"s", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str=","}, 0, 0 },
1207 {"nokey", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
1208 {"nk", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
1209 {"escape", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="csv"}, 0, 0 },
1210 {"e", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="csv"}, 0, 0 },
1211 {"print_section", "print section name", OFFSET(print_section), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
1212 {"p", "print section name", OFFSET(print_section), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
1213 {NULL},
1214 };
1215
1216 DEFINE_WRITER_CLASS(csv);
1217
1218 static const Writer csv_writer = {
1219 .name = "csv",
1220 .priv_size = sizeof(CompactContext),
1221 .init = compact_init,
1222 .print_section_header = compact_print_section_header,
1223 .print_section_footer = compact_print_section_footer,
1224 .print_integer = compact_print_int,
1225 .print_string = compact_print_str,
1226 .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS,
1227 .priv_class = &csv_class,
1228 };
1229
1230 /* Flat output */
1231
1232 typedef struct FlatContext {
1233 const AVClass *class;
1234 const char *sep_str;
1235 char sep;
1236 int hierarchical;
1237 } FlatContext;
1238
1239 #undef OFFSET
1240 #define OFFSET(x) offsetof(FlatContext, x)
1241
1242 static const AVOption flat_options[]= {
1243 {"sep_char", "set separator", OFFSET(sep_str), AV_OPT_TYPE_STRING, {.str="."}, 0, 0 },
1244 {"s", "set separator", OFFSET(sep_str), AV_OPT_TYPE_STRING, {.str="."}, 0, 0 },
1245 {"hierarchical", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
1246 {"h", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
1247 {NULL},
1248 };
1249
1250 DEFINE_WRITER_CLASS(flat);
1251
flat_init(WriterContext * wctx)1252 static av_cold int flat_init(WriterContext *wctx)
1253 {
1254 FlatContext *flat = wctx->priv;
1255
1256 if (strlen(flat->sep_str) != 1) {
1257 av_log(wctx, AV_LOG_ERROR, "Item separator '%s' specified, but must contain a single character\n",
1258 flat->sep_str);
1259 return AVERROR(EINVAL);
1260 }
1261 flat->sep = flat->sep_str[0];
1262
1263 return 0;
1264 }
1265
flat_escape_key_str(AVBPrint * dst,const char * src,const char sep)1266 static const char *flat_escape_key_str(AVBPrint *dst, const char *src, const char sep)
1267 {
1268 const char *p;
1269
1270 for (p = src; *p; p++) {
1271 if (!((*p >= '0' && *p <= '9') ||
1272 (*p >= 'a' && *p <= 'z') ||
1273 (*p >= 'A' && *p <= 'Z')))
1274 av_bprint_chars(dst, '_', 1);
1275 else
1276 av_bprint_chars(dst, *p, 1);
1277 }
1278 return dst->str;
1279 }
1280
flat_escape_value_str(AVBPrint * dst,const char * src)1281 static const char *flat_escape_value_str(AVBPrint *dst, const char *src)
1282 {
1283 const char *p;
1284
1285 for (p = src; *p; p++) {
1286 switch (*p) {
1287 case '\n': av_bprintf(dst, "%s", "\\n"); break;
1288 case '\r': av_bprintf(dst, "%s", "\\r"); break;
1289 case '\\': av_bprintf(dst, "%s", "\\\\"); break;
1290 case '"': av_bprintf(dst, "%s", "\\\""); break;
1291 case '`': av_bprintf(dst, "%s", "\\`"); break;
1292 case '$': av_bprintf(dst, "%s", "\\$"); break;
1293 default: av_bprint_chars(dst, *p, 1); break;
1294 }
1295 }
1296 return dst->str;
1297 }
1298
flat_print_section_header(WriterContext * wctx)1299 static void flat_print_section_header(WriterContext *wctx)
1300 {
1301 FlatContext *flat = wctx->priv;
1302 AVBPrint *buf = &wctx->section_pbuf[wctx->level];
1303 const struct section *section = wctx->section[wctx->level];
1304 const struct section *parent_section = wctx->level ?
1305 wctx->section[wctx->level-1] : NULL;
1306
1307 /* build section header */
1308 av_bprint_clear(buf);
1309 if (!parent_section)
1310 return;
1311 av_bprintf(buf, "%s", wctx->section_pbuf[wctx->level-1].str);
1312
1313 if (flat->hierarchical ||
1314 !(section->flags & (SECTION_FLAG_IS_ARRAY|SECTION_FLAG_IS_WRAPPER))) {
1315 av_bprintf(buf, "%s%s", wctx->section[wctx->level]->name, flat->sep_str);
1316
1317 if (parent_section->flags & SECTION_FLAG_IS_ARRAY) {
1318 int n = parent_section->id == SECTION_ID_PACKETS_AND_FRAMES ?
1319 wctx->nb_section_packet_frame : wctx->nb_item[wctx->level-1];
1320 av_bprintf(buf, "%d%s", n, flat->sep_str);
1321 }
1322 }
1323 }
1324
flat_print_int(WriterContext * wctx,const char * key,long long int value)1325 static void flat_print_int(WriterContext *wctx, const char *key, long long int value)
1326 {
1327 printf("%s%s=%lld\n", wctx->section_pbuf[wctx->level].str, key, value);
1328 }
1329
flat_print_str(WriterContext * wctx,const char * key,const char * value)1330 static void flat_print_str(WriterContext *wctx, const char *key, const char *value)
1331 {
1332 FlatContext *flat = wctx->priv;
1333 AVBPrint buf;
1334
1335 printf("%s", wctx->section_pbuf[wctx->level].str);
1336 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1337 printf("%s=", flat_escape_key_str(&buf, key, flat->sep));
1338 av_bprint_clear(&buf);
1339 printf("\"%s\"\n", flat_escape_value_str(&buf, value));
1340 av_bprint_finalize(&buf, NULL);
1341 }
1342
1343 static const Writer flat_writer = {
1344 .name = "flat",
1345 .priv_size = sizeof(FlatContext),
1346 .init = flat_init,
1347 .print_section_header = flat_print_section_header,
1348 .print_integer = flat_print_int,
1349 .print_string = flat_print_str,
1350 .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS|WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,
1351 .priv_class = &flat_class,
1352 };
1353
1354 /* INI format output */
1355
1356 typedef struct INIContext {
1357 const AVClass *class;
1358 int hierarchical;
1359 } INIContext;
1360
1361 #undef OFFSET
1362 #define OFFSET(x) offsetof(INIContext, x)
1363
1364 static const AVOption ini_options[] = {
1365 {"hierarchical", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
1366 {"h", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1 },
1367 {NULL},
1368 };
1369
1370 DEFINE_WRITER_CLASS(ini);
1371
ini_escape_str(AVBPrint * dst,const char * src)1372 static char *ini_escape_str(AVBPrint *dst, const char *src)
1373 {
1374 int i = 0;
1375 char c = 0;
1376
1377 while (c = src[i++]) {
1378 switch (c) {
1379 case '\b': av_bprintf(dst, "%s", "\\b"); break;
1380 case '\f': av_bprintf(dst, "%s", "\\f"); break;
1381 case '\n': av_bprintf(dst, "%s", "\\n"); break;
1382 case '\r': av_bprintf(dst, "%s", "\\r"); break;
1383 case '\t': av_bprintf(dst, "%s", "\\t"); break;
1384 case '\\':
1385 case '#' :
1386 case '=' :
1387 case ':' : av_bprint_chars(dst, '\\', 1);
1388 default:
1389 if ((unsigned char)c < 32)
1390 av_bprintf(dst, "\\x00%02x", c & 0xff);
1391 else
1392 av_bprint_chars(dst, c, 1);
1393 break;
1394 }
1395 }
1396 return dst->str;
1397 }
1398
ini_print_section_header(WriterContext * wctx)1399 static void ini_print_section_header(WriterContext *wctx)
1400 {
1401 INIContext *ini = wctx->priv;
1402 AVBPrint *buf = &wctx->section_pbuf[wctx->level];
1403 const struct section *section = wctx->section[wctx->level];
1404 const struct section *parent_section = wctx->level ?
1405 wctx->section[wctx->level-1] : NULL;
1406
1407 av_bprint_clear(buf);
1408 if (!parent_section) {
1409 printf("# ffprobe output\n\n");
1410 return;
1411 }
1412
1413 if (wctx->nb_item[wctx->level-1])
1414 printf("\n");
1415
1416 av_bprintf(buf, "%s", wctx->section_pbuf[wctx->level-1].str);
1417 if (ini->hierarchical ||
1418 !(section->flags & (SECTION_FLAG_IS_ARRAY|SECTION_FLAG_IS_WRAPPER))) {
1419 av_bprintf(buf, "%s%s", buf->str[0] ? "." : "", wctx->section[wctx->level]->name);
1420
1421 if (parent_section->flags & SECTION_FLAG_IS_ARRAY) {
1422 int n = parent_section->id == SECTION_ID_PACKETS_AND_FRAMES ?
1423 wctx->nb_section_packet_frame : wctx->nb_item[wctx->level-1];
1424 av_bprintf(buf, ".%d", n);
1425 }
1426 }
1427
1428 if (!(section->flags & (SECTION_FLAG_IS_ARRAY|SECTION_FLAG_IS_WRAPPER)))
1429 printf("[%s]\n", buf->str);
1430 }
1431
ini_print_str(WriterContext * wctx,const char * key,const char * value)1432 static void ini_print_str(WriterContext *wctx, const char *key, const char *value)
1433 {
1434 AVBPrint buf;
1435
1436 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1437 printf("%s=", ini_escape_str(&buf, key));
1438 av_bprint_clear(&buf);
1439 printf("%s\n", ini_escape_str(&buf, value));
1440 av_bprint_finalize(&buf, NULL);
1441 }
1442
ini_print_int(WriterContext * wctx,const char * key,long long int value)1443 static void ini_print_int(WriterContext *wctx, const char *key, long long int value)
1444 {
1445 printf("%s=%lld\n", key, value);
1446 }
1447
1448 static const Writer ini_writer = {
1449 .name = "ini",
1450 .priv_size = sizeof(INIContext),
1451 .print_section_header = ini_print_section_header,
1452 .print_integer = ini_print_int,
1453 .print_string = ini_print_str,
1454 .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS|WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,
1455 .priv_class = &ini_class,
1456 };
1457
1458 /* JSON output */
1459
1460 typedef struct JSONContext {
1461 const AVClass *class;
1462 int indent_level;
1463 int compact;
1464 const char *item_sep, *item_start_end;
1465 } JSONContext;
1466
1467 #undef OFFSET
1468 #define OFFSET(x) offsetof(JSONContext, x)
1469
1470 static const AVOption json_options[]= {
1471 { "compact", "enable compact output", OFFSET(compact), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
1472 { "c", "enable compact output", OFFSET(compact), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
1473 { NULL }
1474 };
1475
1476 DEFINE_WRITER_CLASS(json);
1477
json_init(WriterContext * wctx)1478 static av_cold int json_init(WriterContext *wctx)
1479 {
1480 JSONContext *json = wctx->priv;
1481
1482 json->item_sep = json->compact ? ", " : ",\n";
1483 json->item_start_end = json->compact ? " " : "\n";
1484
1485 return 0;
1486 }
1487
json_escape_str(AVBPrint * dst,const char * src,void * log_ctx)1488 static const char *json_escape_str(AVBPrint *dst, const char *src, void *log_ctx)
1489 {
1490 static const char json_escape[] = {'"', '\\', '\b', '\f', '\n', '\r', '\t', 0};
1491 static const char json_subst[] = {'"', '\\', 'b', 'f', 'n', 'r', 't', 0};
1492 const char *p;
1493
1494 for (p = src; *p; p++) {
1495 char *s = strchr(json_escape, *p);
1496 if (s) {
1497 av_bprint_chars(dst, '\\', 1);
1498 av_bprint_chars(dst, json_subst[s - json_escape], 1);
1499 } else if ((unsigned char)*p < 32) {
1500 av_bprintf(dst, "\\u00%02x", *p & 0xff);
1501 } else {
1502 av_bprint_chars(dst, *p, 1);
1503 }
1504 }
1505 return dst->str;
1506 }
1507
1508 #define JSON_INDENT() printf("%*c", json->indent_level * 4, ' ')
1509
json_print_section_header(WriterContext * wctx)1510 static void json_print_section_header(WriterContext *wctx)
1511 {
1512 JSONContext *json = wctx->priv;
1513 AVBPrint buf;
1514 const struct section *section = wctx->section[wctx->level];
1515 const struct section *parent_section = wctx->level ?
1516 wctx->section[wctx->level-1] : NULL;
1517
1518 if (wctx->level && wctx->nb_item[wctx->level-1])
1519 printf(",\n");
1520
1521 if (section->flags & SECTION_FLAG_IS_WRAPPER) {
1522 printf("{\n");
1523 json->indent_level++;
1524 } else {
1525 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1526 json_escape_str(&buf, section->name, wctx);
1527 JSON_INDENT();
1528
1529 json->indent_level++;
1530 if (section->flags & SECTION_FLAG_IS_ARRAY) {
1531 printf("\"%s\": [\n", buf.str);
1532 } else if (parent_section && !(parent_section->flags & SECTION_FLAG_IS_ARRAY)) {
1533 printf("\"%s\": {%s", buf.str, json->item_start_end);
1534 } else {
1535 printf("{%s", json->item_start_end);
1536
1537 /* this is required so the parser can distinguish between packets and frames */
1538 if (parent_section && parent_section->id == SECTION_ID_PACKETS_AND_FRAMES) {
1539 if (!json->compact)
1540 JSON_INDENT();
1541 printf("\"type\": \"%s\"", section->name);
1542 }
1543 }
1544 av_bprint_finalize(&buf, NULL);
1545 }
1546 }
1547
json_print_section_footer(WriterContext * wctx)1548 static void json_print_section_footer(WriterContext *wctx)
1549 {
1550 JSONContext *json = wctx->priv;
1551 const struct section *section = wctx->section[wctx->level];
1552
1553 if (wctx->level == 0) {
1554 json->indent_level--;
1555 printf("\n}\n");
1556 } else if (section->flags & SECTION_FLAG_IS_ARRAY) {
1557 printf("\n");
1558 json->indent_level--;
1559 JSON_INDENT();
1560 printf("]");
1561 } else {
1562 printf("%s", json->item_start_end);
1563 json->indent_level--;
1564 if (!json->compact)
1565 JSON_INDENT();
1566 printf("}");
1567 }
1568 }
1569
json_print_item_str(WriterContext * wctx,const char * key,const char * value)1570 static inline void json_print_item_str(WriterContext *wctx,
1571 const char *key, const char *value)
1572 {
1573 AVBPrint buf;
1574
1575 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1576 printf("\"%s\":", json_escape_str(&buf, key, wctx));
1577 av_bprint_clear(&buf);
1578 printf(" \"%s\"", json_escape_str(&buf, value, wctx));
1579 av_bprint_finalize(&buf, NULL);
1580 }
1581
json_print_str(WriterContext * wctx,const char * key,const char * value)1582 static void json_print_str(WriterContext *wctx, const char *key, const char *value)
1583 {
1584 JSONContext *json = wctx->priv;
1585 const struct section *parent_section = wctx->level ?
1586 wctx->section[wctx->level-1] : NULL;
1587
1588 if (wctx->nb_item[wctx->level] || (parent_section && parent_section->id == SECTION_ID_PACKETS_AND_FRAMES))
1589 printf("%s", json->item_sep);
1590 if (!json->compact)
1591 JSON_INDENT();
1592 json_print_item_str(wctx, key, value);
1593 }
1594
json_print_int(WriterContext * wctx,const char * key,long long int value)1595 static void json_print_int(WriterContext *wctx, const char *key, long long int value)
1596 {
1597 JSONContext *json = wctx->priv;
1598 const struct section *parent_section = wctx->level ?
1599 wctx->section[wctx->level-1] : NULL;
1600 AVBPrint buf;
1601
1602 if (wctx->nb_item[wctx->level] || (parent_section && parent_section->id == SECTION_ID_PACKETS_AND_FRAMES))
1603 printf("%s", json->item_sep);
1604 if (!json->compact)
1605 JSON_INDENT();
1606
1607 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1608 printf("\"%s\": %lld", json_escape_str(&buf, key, wctx), value);
1609 av_bprint_finalize(&buf, NULL);
1610 }
1611
1612 static const Writer json_writer = {
1613 .name = "json",
1614 .priv_size = sizeof(JSONContext),
1615 .init = json_init,
1616 .print_section_header = json_print_section_header,
1617 .print_section_footer = json_print_section_footer,
1618 .print_integer = json_print_int,
1619 .print_string = json_print_str,
1620 .flags = WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,
1621 .priv_class = &json_class,
1622 };
1623
1624 /* XML output */
1625
1626 typedef struct XMLContext {
1627 const AVClass *class;
1628 int within_tag;
1629 int indent_level;
1630 int fully_qualified;
1631 int xsd_strict;
1632 } XMLContext;
1633
1634 #undef OFFSET
1635 #define OFFSET(x) offsetof(XMLContext, x)
1636
1637 static const AVOption xml_options[] = {
1638 {"fully_qualified", "specify if the output should be fully qualified", OFFSET(fully_qualified), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
1639 {"q", "specify if the output should be fully qualified", OFFSET(fully_qualified), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
1640 {"xsd_strict", "ensure that the output is XSD compliant", OFFSET(xsd_strict), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
1641 {"x", "ensure that the output is XSD compliant", OFFSET(xsd_strict), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1 },
1642 {NULL},
1643 };
1644
1645 DEFINE_WRITER_CLASS(xml);
1646
xml_init(WriterContext * wctx)1647 static av_cold int xml_init(WriterContext *wctx)
1648 {
1649 XMLContext *xml = wctx->priv;
1650
1651 if (xml->xsd_strict) {
1652 xml->fully_qualified = 1;
1653 #define CHECK_COMPLIANCE(opt, opt_name) \
1654 if (opt) { \
1655 av_log(wctx, AV_LOG_ERROR, \
1656 "XSD-compliant output selected but option '%s' was selected, XML output may be non-compliant.\n" \
1657 "You need to disable such option with '-no%s'\n", opt_name, opt_name); \
1658 return AVERROR(EINVAL); \
1659 }
1660 CHECK_COMPLIANCE(show_private_data, "private");
1661 CHECK_COMPLIANCE(show_value_unit, "unit");
1662 CHECK_COMPLIANCE(use_value_prefix, "prefix");
1663
1664 if (do_show_frames && do_show_packets) {
1665 av_log(wctx, AV_LOG_ERROR,
1666 "Interleaved frames and packets are not allowed in XSD. "
1667 "Select only one between the -show_frames and the -show_packets options.\n");
1668 return AVERROR(EINVAL);
1669 }
1670 }
1671
1672 return 0;
1673 }
1674
1675 #define XML_INDENT() printf("%*c", xml->indent_level * 4, ' ')
1676
xml_print_section_header(WriterContext * wctx)1677 static void xml_print_section_header(WriterContext *wctx)
1678 {
1679 XMLContext *xml = wctx->priv;
1680 const struct section *section = wctx->section[wctx->level];
1681 const struct section *parent_section = wctx->level ?
1682 wctx->section[wctx->level-1] : NULL;
1683
1684 if (wctx->level == 0) {
1685 const char *qual = " xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' "
1686 "xmlns:ffprobe='http://www.ffmpeg.org/schema/ffprobe' "
1687 "xsi:schemaLocation='http://www.ffmpeg.org/schema/ffprobe ffprobe.xsd'";
1688
1689 printf("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");
1690 printf("<%sffprobe%s>\n",
1691 xml->fully_qualified ? "ffprobe:" : "",
1692 xml->fully_qualified ? qual : "");
1693 return;
1694 }
1695
1696 if (xml->within_tag) {
1697 xml->within_tag = 0;
1698 printf(">\n");
1699 }
1700 if (section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS) {
1701 xml->indent_level++;
1702 } else {
1703 if (parent_section && (parent_section->flags & SECTION_FLAG_IS_WRAPPER) &&
1704 wctx->level && wctx->nb_item[wctx->level-1])
1705 printf("\n");
1706 xml->indent_level++;
1707
1708 if (section->flags & SECTION_FLAG_IS_ARRAY) {
1709 XML_INDENT(); printf("<%s>\n", section->name);
1710 } else {
1711 XML_INDENT(); printf("<%s ", section->name);
1712 xml->within_tag = 1;
1713 }
1714 }
1715 }
1716
xml_print_section_footer(WriterContext * wctx)1717 static void xml_print_section_footer(WriterContext *wctx)
1718 {
1719 XMLContext *xml = wctx->priv;
1720 const struct section *section = wctx->section[wctx->level];
1721
1722 if (wctx->level == 0) {
1723 printf("</%sffprobe>\n", xml->fully_qualified ? "ffprobe:" : "");
1724 } else if (xml->within_tag) {
1725 xml->within_tag = 0;
1726 printf("/>\n");
1727 xml->indent_level--;
1728 } else if (section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS) {
1729 xml->indent_level--;
1730 } else {
1731 XML_INDENT(); printf("</%s>\n", section->name);
1732 xml->indent_level--;
1733 }
1734 }
1735
xml_print_str(WriterContext * wctx,const char * key,const char * value)1736 static void xml_print_str(WriterContext *wctx, const char *key, const char *value)
1737 {
1738 AVBPrint buf;
1739 XMLContext *xml = wctx->priv;
1740 const struct section *section = wctx->section[wctx->level];
1741
1742 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1743
1744 if (section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS) {
1745 XML_INDENT();
1746 av_bprint_escape(&buf, key, NULL,
1747 AV_ESCAPE_MODE_XML, AV_ESCAPE_FLAG_XML_DOUBLE_QUOTES);
1748 printf("<%s key=\"%s\"",
1749 section->element_name, buf.str);
1750 av_bprint_clear(&buf);
1751
1752 av_bprint_escape(&buf, value, NULL,
1753 AV_ESCAPE_MODE_XML, AV_ESCAPE_FLAG_XML_DOUBLE_QUOTES);
1754 printf(" value=\"%s\"/>\n", buf.str);
1755 } else {
1756 if (wctx->nb_item[wctx->level])
1757 printf(" ");
1758
1759 av_bprint_escape(&buf, value, NULL,
1760 AV_ESCAPE_MODE_XML, AV_ESCAPE_FLAG_XML_DOUBLE_QUOTES);
1761 printf("%s=\"%s\"", key, buf.str);
1762 }
1763
1764 av_bprint_finalize(&buf, NULL);
1765 }
1766
xml_print_int(WriterContext * wctx,const char * key,long long int value)1767 static void xml_print_int(WriterContext *wctx, const char *key, long long int value)
1768 {
1769 if (wctx->nb_item[wctx->level])
1770 printf(" ");
1771 printf("%s=\"%lld\"", key, value);
1772 }
1773
1774 static Writer xml_writer = {
1775 .name = "xml",
1776 .priv_size = sizeof(XMLContext),
1777 .init = xml_init,
1778 .print_section_header = xml_print_section_header,
1779 .print_section_footer = xml_print_section_footer,
1780 .print_integer = xml_print_int,
1781 .print_string = xml_print_str,
1782 .flags = WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,
1783 .priv_class = &xml_class,
1784 };
1785
writer_register_all(void)1786 static void writer_register_all(void)
1787 {
1788 static int initialized;
1789
1790 if (initialized)
1791 return;
1792 initialized = 1;
1793
1794 writer_register(&default_writer);
1795 writer_register(&compact_writer);
1796 writer_register(&csv_writer);
1797 writer_register(&flat_writer);
1798 writer_register(&ini_writer);
1799 writer_register(&json_writer);
1800 writer_register(&xml_writer);
1801 }
1802
1803 #define print_fmt(k, f, ...) do { \
1804 av_bprint_clear(&pbuf); \
1805 av_bprintf(&pbuf, f, __VA_ARGS__); \
1806 writer_print_string(w, k, pbuf.str, 0); \
1807 } while (0)
1808
1809 #define print_int(k, v) writer_print_integer(w, k, v)
1810 #define print_q(k, v, s) writer_print_rational(w, k, v, s)
1811 #define print_str(k, v) writer_print_string(w, k, v, 0)
1812 #define print_str_opt(k, v) writer_print_string(w, k, v, PRINT_STRING_OPT)
1813 #define print_str_validate(k, v) writer_print_string(w, k, v, PRINT_STRING_VALIDATE)
1814 #define print_time(k, v, tb) writer_print_time(w, k, v, tb, 0)
1815 #define print_ts(k, v) writer_print_ts(w, k, v, 0)
1816 #define print_duration_time(k, v, tb) writer_print_time(w, k, v, tb, 1)
1817 #define print_duration_ts(k, v) writer_print_ts(w, k, v, 1)
1818 #define print_val(k, v, u) do { \
1819 struct unit_value uv; \
1820 uv.val.i = v; \
1821 uv.unit = u; \
1822 writer_print_string(w, k, value_string(val_str, sizeof(val_str), uv), 0); \
1823 } while (0)
1824
1825 #define print_section_header(s) writer_print_section_header(w, s)
1826 #define print_section_footer(s) writer_print_section_footer(w, s)
1827
1828 #define REALLOCZ_ARRAY_STREAM(ptr, cur_n, new_n) \
1829 { \
1830 ret = av_reallocp_array(&(ptr), (new_n), sizeof(*(ptr))); \
1831 if (ret < 0) \
1832 goto end; \
1833 memset( (ptr) + (cur_n), 0, ((new_n) - (cur_n)) * sizeof(*(ptr)) ); \
1834 }
1835
show_tags(WriterContext * w,AVDictionary * tags,int section_id)1836 static inline int show_tags(WriterContext *w, AVDictionary *tags, int section_id)
1837 {
1838 AVDictionaryEntry *tag = NULL;
1839 int ret = 0;
1840
1841 if (!tags)
1842 return 0;
1843 writer_print_section_header(w, section_id);
1844
1845 while ((tag = av_dict_get(tags, "", tag, AV_DICT_IGNORE_SUFFIX))) {
1846 if ((ret = print_str_validate(tag->key, tag->value)) < 0)
1847 break;
1848 }
1849 writer_print_section_footer(w);
1850
1851 return ret;
1852 }
1853
print_dynamic_hdr10_plus(WriterContext * w,const AVDynamicHDRPlus * metadata)1854 static void print_dynamic_hdr10_plus(WriterContext *w, const AVDynamicHDRPlus *metadata)
1855 {
1856 if (!metadata)
1857 return;
1858 print_int("application version", metadata->application_version);
1859 print_int("num_windows", metadata->num_windows);
1860 for (int n = 1; n < metadata->num_windows; n++) {
1861 const AVHDRPlusColorTransformParams *params = &metadata->params[n];
1862 print_q("window_upper_left_corner_x",
1863 params->window_upper_left_corner_x,'/');
1864 print_q("window_upper_left_corner_y",
1865 params->window_upper_left_corner_y,'/');
1866 print_q("window_lower_right_corner_x",
1867 params->window_lower_right_corner_x,'/');
1868 print_q("window_lower_right_corner_y",
1869 params->window_lower_right_corner_y,'/');
1870 print_q("window_upper_left_corner_x",
1871 params->window_upper_left_corner_x,'/');
1872 print_q("window_upper_left_corner_y",
1873 params->window_upper_left_corner_y,'/');
1874 print_int("center_of_ellipse_x",
1875 params->center_of_ellipse_x ) ;
1876 print_int("center_of_ellipse_y",
1877 params->center_of_ellipse_y );
1878 print_int("rotation_angle",
1879 params->rotation_angle);
1880 print_int("semimajor_axis_internal_ellipse",
1881 params->semimajor_axis_internal_ellipse);
1882 print_int("semimajor_axis_external_ellipse",
1883 params->semimajor_axis_external_ellipse);
1884 print_int("semiminor_axis_external_ellipse",
1885 params->semiminor_axis_external_ellipse);
1886 print_int("overlap_process_option",
1887 params->overlap_process_option);
1888 }
1889 print_q("targeted_system_display_maximum_luminance",
1890 metadata->targeted_system_display_maximum_luminance,'/');
1891 if (metadata->targeted_system_display_actual_peak_luminance_flag) {
1892 print_int("num_rows_targeted_system_display_actual_peak_luminance",
1893 metadata->num_rows_targeted_system_display_actual_peak_luminance);
1894 print_int("num_cols_targeted_system_display_actual_peak_luminance",
1895 metadata->num_cols_targeted_system_display_actual_peak_luminance);
1896 for (int i = 0; i < metadata->num_rows_targeted_system_display_actual_peak_luminance; i++) {
1897 for (int j = 0; j < metadata->num_cols_targeted_system_display_actual_peak_luminance; j++) {
1898 print_q("targeted_system_display_actual_peak_luminance",
1899 metadata->targeted_system_display_actual_peak_luminance[i][j],'/');
1900 }
1901 }
1902 }
1903 for (int n = 0; n < metadata->num_windows; n++) {
1904 const AVHDRPlusColorTransformParams *params = &metadata->params[n];
1905 for (int i = 0; i < 3; i++) {
1906 print_q("maxscl",params->maxscl[i],'/');
1907 }
1908 print_q("average_maxrgb",
1909 params->average_maxrgb,'/');
1910 print_int("num_distribution_maxrgb_percentiles",
1911 params->num_distribution_maxrgb_percentiles);
1912 for (int i = 0; i < params->num_distribution_maxrgb_percentiles; i++) {
1913 print_int("distribution_maxrgb_percentage",
1914 params->distribution_maxrgb[i].percentage);
1915 print_q("distribution_maxrgb_percentile",
1916 params->distribution_maxrgb[i].percentile,'/');
1917 }
1918 print_q("fraction_bright_pixels",
1919 params->fraction_bright_pixels,'/');
1920 }
1921 if (metadata->mastering_display_actual_peak_luminance_flag) {
1922 print_int("num_rows_mastering_display_actual_peak_luminance",
1923 metadata->num_rows_mastering_display_actual_peak_luminance);
1924 print_int("num_cols_mastering_display_actual_peak_luminance",
1925 metadata->num_cols_mastering_display_actual_peak_luminance);
1926 for (int i = 0; i < metadata->num_rows_mastering_display_actual_peak_luminance; i++) {
1927 for (int j = 0; j < metadata->num_cols_mastering_display_actual_peak_luminance; j++) {
1928 print_q("mastering_display_actual_peak_luminance",
1929 metadata->mastering_display_actual_peak_luminance[i][j],'/');
1930 }
1931 }
1932 }
1933
1934 for (int n = 0; n < metadata->num_windows; n++) {
1935 const AVHDRPlusColorTransformParams *params = &metadata->params[n];
1936 if (params->tone_mapping_flag) {
1937 print_q("knee_point_x", params->knee_point_x,'/');
1938 print_q("knee_point_y", params->knee_point_y,'/');
1939 print_int("num_bezier_curve_anchors",
1940 params->num_bezier_curve_anchors );
1941 for (int i = 0; i < params->num_bezier_curve_anchors; i++) {
1942 print_q("bezier_curve_anchors",
1943 params->bezier_curve_anchors[i],'/');
1944 }
1945 }
1946 if (params->color_saturation_mapping_flag) {
1947 print_q("color_saturation_weight",
1948 params->color_saturation_weight,'/');
1949 }
1950 }
1951 }
1952
print_pkt_side_data(WriterContext * w,AVCodecParameters * par,const AVPacketSideData * side_data,int nb_side_data,SectionID id_data_list,SectionID id_data)1953 static void print_pkt_side_data(WriterContext *w,
1954 AVCodecParameters *par,
1955 const AVPacketSideData *side_data,
1956 int nb_side_data,
1957 SectionID id_data_list,
1958 SectionID id_data)
1959 {
1960 int i;
1961
1962 writer_print_section_header(w, id_data_list);
1963 for (i = 0; i < nb_side_data; i++) {
1964 const AVPacketSideData *sd = &side_data[i];
1965 const char *name = av_packet_side_data_name(sd->type);
1966
1967 writer_print_section_header(w, id_data);
1968 print_str("side_data_type", name ? name : "unknown");
1969 if (sd->type == AV_PKT_DATA_DISPLAYMATRIX && sd->size >= 9*4) {
1970 writer_print_integers(w, "displaymatrix", sd->data, 9, " %11d", 3, 4, 1);
1971 print_int("rotation", av_display_rotation_get((int32_t *)sd->data));
1972 } else if (sd->type == AV_PKT_DATA_STEREO3D) {
1973 const AVStereo3D *stereo = (AVStereo3D *)sd->data;
1974 print_str("type", av_stereo3d_type_name(stereo->type));
1975 print_int("inverted", !!(stereo->flags & AV_STEREO3D_FLAG_INVERT));
1976 } else if (sd->type == AV_PKT_DATA_SPHERICAL) {
1977 const AVSphericalMapping *spherical = (AVSphericalMapping *)sd->data;
1978 print_str("projection", av_spherical_projection_name(spherical->projection));
1979 if (spherical->projection == AV_SPHERICAL_CUBEMAP) {
1980 print_int("padding", spherical->padding);
1981 } else if (spherical->projection == AV_SPHERICAL_EQUIRECTANGULAR_TILE) {
1982 size_t l, t, r, b;
1983 av_spherical_tile_bounds(spherical, par->width, par->height,
1984 &l, &t, &r, &b);
1985 print_int("bound_left", l);
1986 print_int("bound_top", t);
1987 print_int("bound_right", r);
1988 print_int("bound_bottom", b);
1989 }
1990
1991 print_int("yaw", (double) spherical->yaw / (1 << 16));
1992 print_int("pitch", (double) spherical->pitch / (1 << 16));
1993 print_int("roll", (double) spherical->roll / (1 << 16));
1994 } else if (sd->type == AV_PKT_DATA_SKIP_SAMPLES && sd->size == 10) {
1995 print_int("skip_samples", AV_RL32(sd->data));
1996 print_int("discard_padding", AV_RL32(sd->data + 4));
1997 print_int("skip_reason", AV_RL8(sd->data + 8));
1998 print_int("discard_reason", AV_RL8(sd->data + 9));
1999 } else if (sd->type == AV_PKT_DATA_MASTERING_DISPLAY_METADATA) {
2000 AVMasteringDisplayMetadata *metadata = (AVMasteringDisplayMetadata *)sd->data;
2001
2002 if (metadata->has_primaries) {
2003 print_q("red_x", metadata->display_primaries[0][0], '/');
2004 print_q("red_y", metadata->display_primaries[0][1], '/');
2005 print_q("green_x", metadata->display_primaries[1][0], '/');
2006 print_q("green_y", metadata->display_primaries[1][1], '/');
2007 print_q("blue_x", metadata->display_primaries[2][0], '/');
2008 print_q("blue_y", metadata->display_primaries[2][1], '/');
2009
2010 print_q("white_point_x", metadata->white_point[0], '/');
2011 print_q("white_point_y", metadata->white_point[1], '/');
2012 }
2013
2014 if (metadata->has_luminance) {
2015 print_q("min_luminance", metadata->min_luminance, '/');
2016 print_q("max_luminance", metadata->max_luminance, '/');
2017 }
2018 } else if (sd->type == AV_PKT_DATA_CONTENT_LIGHT_LEVEL) {
2019 AVContentLightMetadata *metadata = (AVContentLightMetadata *)sd->data;
2020 print_int("max_content", metadata->MaxCLL);
2021 print_int("max_average", metadata->MaxFALL);
2022 } else if (sd->type == AV_PKT_DATA_DOVI_CONF) {
2023 AVDOVIDecoderConfigurationRecord *dovi = (AVDOVIDecoderConfigurationRecord *)sd->data;
2024 print_int("dv_version_major", dovi->dv_version_major);
2025 print_int("dv_version_minor", dovi->dv_version_minor);
2026 print_int("dv_profile", dovi->dv_profile);
2027 print_int("dv_level", dovi->dv_level);
2028 print_int("rpu_present_flag", dovi->rpu_present_flag);
2029 print_int("el_present_flag", dovi->el_present_flag);
2030 print_int("bl_present_flag", dovi->bl_present_flag);
2031 print_int("dv_bl_signal_compatibility_id", dovi->dv_bl_signal_compatibility_id);
2032 }
2033 writer_print_section_footer(w);
2034 }
2035 writer_print_section_footer(w);
2036 }
2037
print_color_range(WriterContext * w,enum AVColorRange color_range)2038 static void print_color_range(WriterContext *w, enum AVColorRange color_range)
2039 {
2040 const char *val = av_color_range_name(color_range);
2041 if (!val || color_range == AVCOL_RANGE_UNSPECIFIED) {
2042 print_str_opt("color_range", "unknown");
2043 } else {
2044 print_str("color_range", val);
2045 }
2046 }
2047
print_color_space(WriterContext * w,enum AVColorSpace color_space)2048 static void print_color_space(WriterContext *w, enum AVColorSpace color_space)
2049 {
2050 const char *val = av_color_space_name(color_space);
2051 if (!val || color_space == AVCOL_SPC_UNSPECIFIED) {
2052 print_str_opt("color_space", "unknown");
2053 } else {
2054 print_str("color_space", val);
2055 }
2056 }
2057
print_primaries(WriterContext * w,enum AVColorPrimaries color_primaries)2058 static void print_primaries(WriterContext *w, enum AVColorPrimaries color_primaries)
2059 {
2060 const char *val = av_color_primaries_name(color_primaries);
2061 if (!val || color_primaries == AVCOL_PRI_UNSPECIFIED) {
2062 print_str_opt("color_primaries", "unknown");
2063 } else {
2064 print_str("color_primaries", val);
2065 }
2066 }
2067
print_color_trc(WriterContext * w,enum AVColorTransferCharacteristic color_trc)2068 static void print_color_trc(WriterContext *w, enum AVColorTransferCharacteristic color_trc)
2069 {
2070 const char *val = av_color_transfer_name(color_trc);
2071 if (!val || color_trc == AVCOL_TRC_UNSPECIFIED) {
2072 print_str_opt("color_transfer", "unknown");
2073 } else {
2074 print_str("color_transfer", val);
2075 }
2076 }
2077
print_chroma_location(WriterContext * w,enum AVChromaLocation chroma_location)2078 static void print_chroma_location(WriterContext *w, enum AVChromaLocation chroma_location)
2079 {
2080 const char *val = av_chroma_location_name(chroma_location);
2081 if (!val || chroma_location == AVCHROMA_LOC_UNSPECIFIED) {
2082 print_str_opt("chroma_location", "unspecified");
2083 } else {
2084 print_str("chroma_location", val);
2085 }
2086 }
2087
2088
clear_log(int need_lock)2089 static void clear_log(int need_lock)
2090 {
2091 int i;
2092
2093 if (need_lock)
2094 pthread_mutex_lock(&log_mutex);
2095 for (i=0; i<log_buffer_size; i++) {
2096 av_freep(&log_buffer[i].context_name);
2097 av_freep(&log_buffer[i].parent_name);
2098 av_freep(&log_buffer[i].log_message);
2099 }
2100 log_buffer_size = 0;
2101 if(need_lock)
2102 pthread_mutex_unlock(&log_mutex);
2103 }
2104
show_log(WriterContext * w,int section_ids,int section_id,int log_level)2105 static int show_log(WriterContext *w, int section_ids, int section_id, int log_level)
2106 {
2107 int i;
2108 pthread_mutex_lock(&log_mutex);
2109 if (!log_buffer_size) {
2110 pthread_mutex_unlock(&log_mutex);
2111 return 0;
2112 }
2113 writer_print_section_header(w, section_ids);
2114
2115 for (i=0; i<log_buffer_size; i++) {
2116 if (log_buffer[i].log_level <= log_level) {
2117 writer_print_section_header(w, section_id);
2118 print_str("context", log_buffer[i].context_name);
2119 print_int("level", log_buffer[i].log_level);
2120 print_int("category", log_buffer[i].category);
2121 if (log_buffer[i].parent_name) {
2122 print_str("parent_context", log_buffer[i].parent_name);
2123 print_int("parent_category", log_buffer[i].parent_category);
2124 } else {
2125 print_str_opt("parent_context", "N/A");
2126 print_str_opt("parent_category", "N/A");
2127 }
2128 print_str("message", log_buffer[i].log_message);
2129 writer_print_section_footer(w);
2130 }
2131 }
2132 clear_log(0);
2133 pthread_mutex_unlock(&log_mutex);
2134
2135 writer_print_section_footer(w);
2136
2137 return 0;
2138 }
2139
show_packet(WriterContext * w,InputFile * ifile,AVPacket * pkt,int packet_idx)2140 static void show_packet(WriterContext *w, InputFile *ifile, AVPacket *pkt, int packet_idx)
2141 {
2142 char val_str[128];
2143 AVStream *st = ifile->streams[pkt->stream_index].st;
2144 AVBPrint pbuf;
2145 const char *s;
2146
2147 av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
2148
2149 writer_print_section_header(w, SECTION_ID_PACKET);
2150
2151 s = av_get_media_type_string(st->codecpar->codec_type);
2152 if (s) print_str ("codec_type", s);
2153 else print_str_opt("codec_type", "unknown");
2154 print_int("stream_index", pkt->stream_index);
2155 print_ts ("pts", pkt->pts);
2156 print_time("pts_time", pkt->pts, &st->time_base);
2157 print_ts ("dts", pkt->dts);
2158 print_time("dts_time", pkt->dts, &st->time_base);
2159 print_duration_ts("duration", pkt->duration);
2160 print_duration_time("duration_time", pkt->duration, &st->time_base);
2161 print_val("size", pkt->size, unit_byte_str);
2162 if (pkt->pos != -1) print_fmt ("pos", "%"PRId64, pkt->pos);
2163 else print_str_opt("pos", "N/A");
2164 print_fmt("flags", "%c%c", pkt->flags & AV_PKT_FLAG_KEY ? 'K' : '_',
2165 pkt->flags & AV_PKT_FLAG_DISCARD ? 'D' : '_');
2166
2167 if (pkt->side_data_elems) {
2168 int size;
2169 const uint8_t *side_metadata;
2170
2171 side_metadata = av_packet_get_side_data(pkt, AV_PKT_DATA_STRINGS_METADATA, &size);
2172 if (side_metadata && size && do_show_packet_tags) {
2173 AVDictionary *dict = NULL;
2174 if (av_packet_unpack_dictionary(side_metadata, size, &dict) >= 0)
2175 show_tags(w, dict, SECTION_ID_PACKET_TAGS);
2176 av_dict_free(&dict);
2177 }
2178
2179 print_pkt_side_data(w, st->codecpar, pkt->side_data, pkt->side_data_elems,
2180 SECTION_ID_PACKET_SIDE_DATA_LIST,
2181 SECTION_ID_PACKET_SIDE_DATA);
2182 }
2183
2184 if (do_show_data)
2185 writer_print_data(w, "data", pkt->data, pkt->size);
2186 writer_print_data_hash(w, "data_hash", pkt->data, pkt->size);
2187 writer_print_section_footer(w);
2188
2189 av_bprint_finalize(&pbuf, NULL);
2190 fflush(stdout);
2191 }
2192
show_subtitle(WriterContext * w,AVSubtitle * sub,AVStream * stream,AVFormatContext * fmt_ctx)2193 static void show_subtitle(WriterContext *w, AVSubtitle *sub, AVStream *stream,
2194 AVFormatContext *fmt_ctx)
2195 {
2196 AVBPrint pbuf;
2197
2198 av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
2199
2200 writer_print_section_header(w, SECTION_ID_SUBTITLE);
2201
2202 print_str ("media_type", "subtitle");
2203 print_ts ("pts", sub->pts);
2204 print_time("pts_time", sub->pts, &AV_TIME_BASE_Q);
2205 print_int ("format", sub->format);
2206 print_int ("start_display_time", sub->start_display_time);
2207 print_int ("end_display_time", sub->end_display_time);
2208 print_int ("num_rects", sub->num_rects);
2209
2210 writer_print_section_footer(w);
2211
2212 av_bprint_finalize(&pbuf, NULL);
2213 fflush(stdout);
2214 }
2215
show_frame(WriterContext * w,AVFrame * frame,AVStream * stream,AVFormatContext * fmt_ctx)2216 static void show_frame(WriterContext *w, AVFrame *frame, AVStream *stream,
2217 AVFormatContext *fmt_ctx)
2218 {
2219 AVBPrint pbuf;
2220 char val_str[128];
2221 const char *s;
2222 int i;
2223
2224 av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
2225
2226 writer_print_section_header(w, SECTION_ID_FRAME);
2227
2228 s = av_get_media_type_string(stream->codecpar->codec_type);
2229 if (s) print_str ("media_type", s);
2230 else print_str_opt("media_type", "unknown");
2231 print_int("stream_index", stream->index);
2232 print_int("key_frame", frame->key_frame);
2233 print_ts ("pkt_pts", frame->pts);
2234 print_time("pkt_pts_time", frame->pts, &stream->time_base);
2235 print_ts ("pkt_dts", frame->pkt_dts);
2236 print_time("pkt_dts_time", frame->pkt_dts, &stream->time_base);
2237 print_ts ("best_effort_timestamp", frame->best_effort_timestamp);
2238 print_time("best_effort_timestamp_time", frame->best_effort_timestamp, &stream->time_base);
2239 print_duration_ts ("pkt_duration", frame->pkt_duration);
2240 print_duration_time("pkt_duration_time", frame->pkt_duration, &stream->time_base);
2241 if (frame->pkt_pos != -1) print_fmt ("pkt_pos", "%"PRId64, frame->pkt_pos);
2242 else print_str_opt("pkt_pos", "N/A");
2243 if (frame->pkt_size != -1) print_val ("pkt_size", frame->pkt_size, unit_byte_str);
2244 else print_str_opt("pkt_size", "N/A");
2245
2246 switch (stream->codecpar->codec_type) {
2247 AVRational sar;
2248
2249 case AVMEDIA_TYPE_VIDEO:
2250 print_int("width", frame->width);
2251 print_int("height", frame->height);
2252 s = av_get_pix_fmt_name(frame->format);
2253 if (s) print_str ("pix_fmt", s);
2254 else print_str_opt("pix_fmt", "unknown");
2255 sar = av_guess_sample_aspect_ratio(fmt_ctx, stream, frame);
2256 if (sar.num) {
2257 print_q("sample_aspect_ratio", sar, ':');
2258 } else {
2259 print_str_opt("sample_aspect_ratio", "N/A");
2260 }
2261 print_fmt("pict_type", "%c", av_get_picture_type_char(frame->pict_type));
2262 print_int("coded_picture_number", frame->coded_picture_number);
2263 print_int("display_picture_number", frame->display_picture_number);
2264 print_int("interlaced_frame", frame->interlaced_frame);
2265 print_int("top_field_first", frame->top_field_first);
2266 print_int("repeat_pict", frame->repeat_pict);
2267
2268 print_color_range(w, frame->color_range);
2269 print_color_space(w, frame->colorspace);
2270 print_primaries(w, frame->color_primaries);
2271 print_color_trc(w, frame->color_trc);
2272 print_chroma_location(w, frame->chroma_location);
2273 break;
2274
2275 case AVMEDIA_TYPE_AUDIO:
2276 s = av_get_sample_fmt_name(frame->format);
2277 if (s) print_str ("sample_fmt", s);
2278 else print_str_opt("sample_fmt", "unknown");
2279 print_int("nb_samples", frame->nb_samples);
2280 print_int("channels", frame->channels);
2281 if (frame->channel_layout) {
2282 av_bprint_clear(&pbuf);
2283 av_bprint_channel_layout(&pbuf, frame->channels,
2284 frame->channel_layout);
2285 print_str ("channel_layout", pbuf.str);
2286 } else
2287 print_str_opt("channel_layout", "unknown");
2288 break;
2289 }
2290 if (do_show_frame_tags)
2291 show_tags(w, frame->metadata, SECTION_ID_FRAME_TAGS);
2292 if (do_show_log)
2293 show_log(w, SECTION_ID_FRAME_LOGS, SECTION_ID_FRAME_LOG, do_show_log);
2294 if (frame->nb_side_data) {
2295 writer_print_section_header(w, SECTION_ID_FRAME_SIDE_DATA_LIST);
2296 for (i = 0; i < frame->nb_side_data; i++) {
2297 AVFrameSideData *sd = frame->side_data[i];
2298 const char *name;
2299
2300 writer_print_section_header(w, SECTION_ID_FRAME_SIDE_DATA);
2301 name = av_frame_side_data_name(sd->type);
2302 print_str("side_data_type", name ? name : "unknown");
2303 if (sd->type == AV_FRAME_DATA_DISPLAYMATRIX && sd->size >= 9*4) {
2304 writer_print_integers(w, "displaymatrix", sd->data, 9, " %11d", 3, 4, 1);
2305 print_int("rotation", av_display_rotation_get((int32_t *)sd->data));
2306 } else if (sd->type == AV_FRAME_DATA_GOP_TIMECODE && sd->size >= 8) {
2307 char tcbuf[AV_TIMECODE_STR_SIZE];
2308 av_timecode_make_mpeg_tc_string(tcbuf, *(int64_t *)(sd->data));
2309 print_str("timecode", tcbuf);
2310 } else if (sd->type == AV_FRAME_DATA_S12M_TIMECODE && sd->size == 16) {
2311 uint32_t *tc = (uint32_t*)sd->data;
2312 int m = FFMIN(tc[0],3);
2313 writer_print_section_header(w, SECTION_ID_FRAME_SIDE_DATA_TIMECODE_LIST);
2314 for (int j = 1; j <= m ; j++) {
2315 char tcbuf[AV_TIMECODE_STR_SIZE];
2316 av_timecode_make_smpte_tc_string2(tcbuf, stream->avg_frame_rate, tc[j], 0, 0);
2317 writer_print_section_header(w, SECTION_ID_FRAME_SIDE_DATA_TIMECODE);
2318 print_str("value", tcbuf);
2319 writer_print_section_footer(w);
2320 }
2321 writer_print_section_footer(w);
2322 } else if (sd->type == AV_FRAME_DATA_MASTERING_DISPLAY_METADATA) {
2323 AVMasteringDisplayMetadata *metadata = (AVMasteringDisplayMetadata *)sd->data;
2324
2325 if (metadata->has_primaries) {
2326 print_q("red_x", metadata->display_primaries[0][0], '/');
2327 print_q("red_y", metadata->display_primaries[0][1], '/');
2328 print_q("green_x", metadata->display_primaries[1][0], '/');
2329 print_q("green_y", metadata->display_primaries[1][1], '/');
2330 print_q("blue_x", metadata->display_primaries[2][0], '/');
2331 print_q("blue_y", metadata->display_primaries[2][1], '/');
2332
2333 print_q("white_point_x", metadata->white_point[0], '/');
2334 print_q("white_point_y", metadata->white_point[1], '/');
2335 }
2336
2337 if (metadata->has_luminance) {
2338 print_q("min_luminance", metadata->min_luminance, '/');
2339 print_q("max_luminance", metadata->max_luminance, '/');
2340 }
2341 } else if (sd->type == AV_FRAME_DATA_DYNAMIC_HDR_PLUS) {
2342 AVDynamicHDRPlus *metadata = (AVDynamicHDRPlus *)sd->data;
2343 print_dynamic_hdr10_plus(w, metadata);
2344 } else if (sd->type == AV_FRAME_DATA_CONTENT_LIGHT_LEVEL) {
2345 AVContentLightMetadata *metadata = (AVContentLightMetadata *)sd->data;
2346 print_int("max_content", metadata->MaxCLL);
2347 print_int("max_average", metadata->MaxFALL);
2348 } else if (sd->type == AV_FRAME_DATA_ICC_PROFILE) {
2349 AVDictionaryEntry *tag = av_dict_get(sd->metadata, "name", NULL, AV_DICT_MATCH_CASE);
2350 if (tag)
2351 print_str(tag->key, tag->value);
2352 print_int("size", sd->size);
2353 }
2354 writer_print_section_footer(w);
2355 }
2356 writer_print_section_footer(w);
2357 }
2358
2359 writer_print_section_footer(w);
2360
2361 av_bprint_finalize(&pbuf, NULL);
2362 fflush(stdout);
2363 }
2364
process_frame(WriterContext * w,InputFile * ifile,AVFrame * frame,AVPacket * pkt,int * packet_new)2365 static av_always_inline int process_frame(WriterContext *w,
2366 InputFile *ifile,
2367 AVFrame *frame, AVPacket *pkt,
2368 int *packet_new)
2369 {
2370 AVFormatContext *fmt_ctx = ifile->fmt_ctx;
2371 AVCodecContext *dec_ctx = ifile->streams[pkt->stream_index].dec_ctx;
2372 AVCodecParameters *par = ifile->streams[pkt->stream_index].st->codecpar;
2373 AVSubtitle sub;
2374 int ret = 0, got_frame = 0;
2375
2376 clear_log(1);
2377 if (dec_ctx && dec_ctx->codec) {
2378 switch (par->codec_type) {
2379 case AVMEDIA_TYPE_VIDEO:
2380 case AVMEDIA_TYPE_AUDIO:
2381 if (*packet_new) {
2382 ret = avcodec_send_packet(dec_ctx, pkt);
2383 if (ret == AVERROR(EAGAIN)) {
2384 ret = 0;
2385 } else if (ret >= 0 || ret == AVERROR_EOF) {
2386 ret = 0;
2387 *packet_new = 0;
2388 }
2389 }
2390 if (ret >= 0) {
2391 ret = avcodec_receive_frame(dec_ctx, frame);
2392 if (ret >= 0) {
2393 got_frame = 1;
2394 } else if (ret == AVERROR(EAGAIN) || ret == AVERROR_EOF) {
2395 ret = 0;
2396 }
2397 }
2398 break;
2399
2400 case AVMEDIA_TYPE_SUBTITLE:
2401 if (*packet_new)
2402 ret = avcodec_decode_subtitle2(dec_ctx, &sub, &got_frame, pkt);
2403 *packet_new = 0;
2404 break;
2405 default:
2406 *packet_new = 0;
2407 }
2408 } else {
2409 *packet_new = 0;
2410 }
2411
2412 if (ret < 0)
2413 return ret;
2414 if (got_frame) {
2415 int is_sub = (par->codec_type == AVMEDIA_TYPE_SUBTITLE);
2416 nb_streams_frames[pkt->stream_index]++;
2417 if (do_show_frames)
2418 if (is_sub)
2419 show_subtitle(w, &sub, ifile->streams[pkt->stream_index].st, fmt_ctx);
2420 else
2421 show_frame(w, frame, ifile->streams[pkt->stream_index].st, fmt_ctx);
2422 if (is_sub)
2423 avsubtitle_free(&sub);
2424 }
2425 return got_frame || *packet_new;
2426 }
2427
log_read_interval(const ReadInterval * interval,void * log_ctx,int log_level)2428 static void log_read_interval(const ReadInterval *interval, void *log_ctx, int log_level)
2429 {
2430 av_log(log_ctx, log_level, "id:%d", interval->id);
2431
2432 if (interval->has_start) {
2433 av_log(log_ctx, log_level, " start:%s%s", interval->start_is_offset ? "+" : "",
2434 av_ts2timestr(interval->start, &AV_TIME_BASE_Q));
2435 } else {
2436 av_log(log_ctx, log_level, " start:N/A");
2437 }
2438
2439 if (interval->has_end) {
2440 av_log(log_ctx, log_level, " end:%s", interval->end_is_offset ? "+" : "");
2441 if (interval->duration_frames)
2442 av_log(log_ctx, log_level, "#%"PRId64, interval->end);
2443 else
2444 av_log(log_ctx, log_level, "%s", av_ts2timestr(interval->end, &AV_TIME_BASE_Q));
2445 } else {
2446 av_log(log_ctx, log_level, " end:N/A");
2447 }
2448
2449 av_log(log_ctx, log_level, "\n");
2450 }
2451
read_interval_packets(WriterContext * w,InputFile * ifile,const ReadInterval * interval,int64_t * cur_ts)2452 static int read_interval_packets(WriterContext *w, InputFile *ifile,
2453 const ReadInterval *interval, int64_t *cur_ts)
2454 {
2455 AVFormatContext *fmt_ctx = ifile->fmt_ctx;
2456 AVPacket *pkt = NULL;
2457 AVFrame *frame = NULL;
2458 int ret = 0, i = 0, frame_count = 0;
2459 int64_t start = -INT64_MAX, end = interval->end;
2460 int has_start = 0, has_end = interval->has_end && !interval->end_is_offset;
2461
2462 av_log(NULL, AV_LOG_VERBOSE, "Processing read interval ");
2463 log_read_interval(interval, NULL, AV_LOG_VERBOSE);
2464
2465 if (interval->has_start) {
2466 int64_t target;
2467 if (interval->start_is_offset) {
2468 if (*cur_ts == AV_NOPTS_VALUE) {
2469 av_log(NULL, AV_LOG_ERROR,
2470 "Could not seek to relative position since current "
2471 "timestamp is not defined\n");
2472 ret = AVERROR(EINVAL);
2473 goto end;
2474 }
2475 target = *cur_ts + interval->start;
2476 } else {
2477 target = interval->start;
2478 }
2479
2480 av_log(NULL, AV_LOG_VERBOSE, "Seeking to read interval start point %s\n",
2481 av_ts2timestr(target, &AV_TIME_BASE_Q));
2482 if ((ret = avformat_seek_file(fmt_ctx, -1, -INT64_MAX, target, INT64_MAX, 0)) < 0) {
2483 av_log(NULL, AV_LOG_ERROR, "Could not seek to position %"PRId64": %s\n",
2484 interval->start, av_err2str(ret));
2485 goto end;
2486 }
2487 }
2488
2489 frame = av_frame_alloc();
2490 if (!frame) {
2491 ret = AVERROR(ENOMEM);
2492 goto end;
2493 }
2494 pkt = av_packet_alloc();
2495 if (!pkt) {
2496 ret = AVERROR(ENOMEM);
2497 goto end;
2498 }
2499 while (!av_read_frame(fmt_ctx, pkt)) {
2500 if (fmt_ctx->nb_streams > nb_streams) {
2501 REALLOCZ_ARRAY_STREAM(nb_streams_frames, nb_streams, fmt_ctx->nb_streams);
2502 REALLOCZ_ARRAY_STREAM(nb_streams_packets, nb_streams, fmt_ctx->nb_streams);
2503 REALLOCZ_ARRAY_STREAM(selected_streams, nb_streams, fmt_ctx->nb_streams);
2504 nb_streams = fmt_ctx->nb_streams;
2505 }
2506 if (selected_streams[pkt->stream_index]) {
2507 AVRational tb = ifile->streams[pkt->stream_index].st->time_base;
2508
2509 if (pkt->pts != AV_NOPTS_VALUE)
2510 *cur_ts = av_rescale_q(pkt->pts, tb, AV_TIME_BASE_Q);
2511
2512 if (!has_start && *cur_ts != AV_NOPTS_VALUE) {
2513 start = *cur_ts;
2514 has_start = 1;
2515 }
2516
2517 if (has_start && !has_end && interval->end_is_offset) {
2518 end = start + interval->end;
2519 has_end = 1;
2520 }
2521
2522 if (interval->end_is_offset && interval->duration_frames) {
2523 if (frame_count >= interval->end)
2524 break;
2525 } else if (has_end && *cur_ts != AV_NOPTS_VALUE && *cur_ts >= end) {
2526 break;
2527 }
2528
2529 frame_count++;
2530 if (do_read_packets) {
2531 if (do_show_packets)
2532 show_packet(w, ifile, pkt, i++);
2533 nb_streams_packets[pkt->stream_index]++;
2534 }
2535 if (do_read_frames) {
2536 int packet_new = 1;
2537 while (process_frame(w, ifile, frame, pkt, &packet_new) > 0);
2538 }
2539 }
2540 av_packet_unref(pkt);
2541 }
2542 av_packet_unref(pkt);
2543 //Flush remaining frames that are cached in the decoder
2544 for (i = 0; i < fmt_ctx->nb_streams; i++) {
2545 pkt->stream_index = i;
2546 if (do_read_frames)
2547 while (process_frame(w, ifile, frame, pkt, &(int){1}) > 0);
2548 }
2549
2550 end:
2551 av_frame_free(&frame);
2552 av_packet_free(&pkt);
2553 if (ret < 0) {
2554 av_log(NULL, AV_LOG_ERROR, "Could not read packets in interval ");
2555 log_read_interval(interval, NULL, AV_LOG_ERROR);
2556 }
2557 return ret;
2558 }
2559
read_packets(WriterContext * w,InputFile * ifile)2560 static int read_packets(WriterContext *w, InputFile *ifile)
2561 {
2562 AVFormatContext *fmt_ctx = ifile->fmt_ctx;
2563 int i, ret = 0;
2564 int64_t cur_ts = fmt_ctx->start_time;
2565
2566 if (read_intervals_nb == 0) {
2567 ReadInterval interval = (ReadInterval) { .has_start = 0, .has_end = 0 };
2568 ret = read_interval_packets(w, ifile, &interval, &cur_ts);
2569 } else {
2570 for (i = 0; i < read_intervals_nb; i++) {
2571 ret = read_interval_packets(w, ifile, &read_intervals[i], &cur_ts);
2572 if (ret < 0)
2573 break;
2574 }
2575 }
2576
2577 return ret;
2578 }
2579
show_stream(WriterContext * w,AVFormatContext * fmt_ctx,int stream_idx,InputStream * ist,int in_program)2580 static int show_stream(WriterContext *w, AVFormatContext *fmt_ctx, int stream_idx, InputStream *ist, int in_program)
2581 {
2582 AVStream *stream = ist->st;
2583 AVCodecParameters *par;
2584 AVCodecContext *dec_ctx;
2585 char val_str[128];
2586 const char *s;
2587 AVRational sar, dar;
2588 AVBPrint pbuf;
2589 const AVCodecDescriptor *cd;
2590 int ret = 0;
2591 const char *profile = NULL;
2592
2593 av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
2594
2595 writer_print_section_header(w, in_program ? SECTION_ID_PROGRAM_STREAM : SECTION_ID_STREAM);
2596
2597 print_int("index", stream->index);
2598
2599 par = stream->codecpar;
2600 dec_ctx = ist->dec_ctx;
2601 if (cd = avcodec_descriptor_get(par->codec_id)) {
2602 print_str("codec_name", cd->name);
2603 if (!do_bitexact) {
2604 print_str("codec_long_name",
2605 cd->long_name ? cd->long_name : "unknown");
2606 }
2607 } else {
2608 print_str_opt("codec_name", "unknown");
2609 if (!do_bitexact) {
2610 print_str_opt("codec_long_name", "unknown");
2611 }
2612 }
2613
2614 if (!do_bitexact && (profile = avcodec_profile_name(par->codec_id, par->profile)))
2615 print_str("profile", profile);
2616 else {
2617 if (par->profile != FF_PROFILE_UNKNOWN) {
2618 char profile_num[12];
2619 snprintf(profile_num, sizeof(profile_num), "%d", par->profile);
2620 print_str("profile", profile_num);
2621 } else
2622 print_str_opt("profile", "unknown");
2623 }
2624
2625 s = av_get_media_type_string(par->codec_type);
2626 if (s) print_str ("codec_type", s);
2627 else print_str_opt("codec_type", "unknown");
2628
2629 /* print AVI/FourCC tag */
2630 print_str("codec_tag_string", av_fourcc2str(par->codec_tag));
2631 print_fmt("codec_tag", "0x%04"PRIx32, par->codec_tag);
2632
2633 switch (par->codec_type) {
2634 case AVMEDIA_TYPE_VIDEO:
2635 print_int("width", par->width);
2636 print_int("height", par->height);
2637 if (dec_ctx) {
2638 print_int("coded_width", dec_ctx->coded_width);
2639 print_int("coded_height", dec_ctx->coded_height);
2640 print_int("closed_captions", !!(dec_ctx->properties & FF_CODEC_PROPERTY_CLOSED_CAPTIONS));
2641 }
2642 print_int("has_b_frames", par->video_delay);
2643 sar = av_guess_sample_aspect_ratio(fmt_ctx, stream, NULL);
2644 if (sar.num) {
2645 print_q("sample_aspect_ratio", sar, ':');
2646 av_reduce(&dar.num, &dar.den,
2647 par->width * sar.num,
2648 par->height * sar.den,
2649 1024*1024);
2650 print_q("display_aspect_ratio", dar, ':');
2651 } else {
2652 print_str_opt("sample_aspect_ratio", "N/A");
2653 print_str_opt("display_aspect_ratio", "N/A");
2654 }
2655 s = av_get_pix_fmt_name(par->format);
2656 if (s) print_str ("pix_fmt", s);
2657 else print_str_opt("pix_fmt", "unknown");
2658 print_int("level", par->level);
2659
2660 print_color_range(w, par->color_range);
2661 print_color_space(w, par->color_space);
2662 print_color_trc(w, par->color_trc);
2663 print_primaries(w, par->color_primaries);
2664 print_chroma_location(w, par->chroma_location);
2665
2666 if (par->field_order == AV_FIELD_PROGRESSIVE)
2667 print_str("field_order", "progressive");
2668 else if (par->field_order == AV_FIELD_TT)
2669 print_str("field_order", "tt");
2670 else if (par->field_order == AV_FIELD_BB)
2671 print_str("field_order", "bb");
2672 else if (par->field_order == AV_FIELD_TB)
2673 print_str("field_order", "tb");
2674 else if (par->field_order == AV_FIELD_BT)
2675 print_str("field_order", "bt");
2676 else
2677 print_str_opt("field_order", "unknown");
2678
2679 if (dec_ctx)
2680 print_int("refs", dec_ctx->refs);
2681 break;
2682
2683 case AVMEDIA_TYPE_AUDIO:
2684 s = av_get_sample_fmt_name(par->format);
2685 if (s) print_str ("sample_fmt", s);
2686 else print_str_opt("sample_fmt", "unknown");
2687 print_val("sample_rate", par->sample_rate, unit_hertz_str);
2688 print_int("channels", par->channels);
2689
2690 if (par->channel_layout) {
2691 av_bprint_clear(&pbuf);
2692 av_bprint_channel_layout(&pbuf, par->channels, par->channel_layout);
2693 print_str ("channel_layout", pbuf.str);
2694 } else {
2695 print_str_opt("channel_layout", "unknown");
2696 }
2697
2698 print_int("bits_per_sample", av_get_bits_per_sample(par->codec_id));
2699 break;
2700
2701 case AVMEDIA_TYPE_SUBTITLE:
2702 if (par->width)
2703 print_int("width", par->width);
2704 else
2705 print_str_opt("width", "N/A");
2706 if (par->height)
2707 print_int("height", par->height);
2708 else
2709 print_str_opt("height", "N/A");
2710 break;
2711 }
2712
2713 if (dec_ctx && dec_ctx->codec && dec_ctx->codec->priv_class && show_private_data) {
2714 const AVOption *opt = NULL;
2715 while (opt = av_opt_next(dec_ctx->priv_data,opt)) {
2716 uint8_t *str;
2717 if (opt->flags) continue;
2718 if (av_opt_get(dec_ctx->priv_data, opt->name, 0, &str) >= 0) {
2719 print_str(opt->name, str);
2720 av_free(str);
2721 }
2722 }
2723 }
2724
2725 if (fmt_ctx->iformat->flags & AVFMT_SHOW_IDS) print_fmt ("id", "0x%x", stream->id);
2726 else print_str_opt("id", "N/A");
2727 print_q("r_frame_rate", stream->r_frame_rate, '/');
2728 print_q("avg_frame_rate", stream->avg_frame_rate, '/');
2729 print_q("time_base", stream->time_base, '/');
2730 print_ts ("start_pts", stream->start_time);
2731 print_time("start_time", stream->start_time, &stream->time_base);
2732 print_ts ("duration_ts", stream->duration);
2733 print_time("duration", stream->duration, &stream->time_base);
2734 if (par->bit_rate > 0) print_val ("bit_rate", par->bit_rate, unit_bit_per_second_str);
2735 else print_str_opt("bit_rate", "N/A");
2736 if (dec_ctx && dec_ctx->rc_max_rate > 0)
2737 print_val ("max_bit_rate", dec_ctx->rc_max_rate, unit_bit_per_second_str);
2738 else
2739 print_str_opt("max_bit_rate", "N/A");
2740 if (dec_ctx && dec_ctx->bits_per_raw_sample > 0) print_fmt("bits_per_raw_sample", "%d", dec_ctx->bits_per_raw_sample);
2741 else print_str_opt("bits_per_raw_sample", "N/A");
2742 if (stream->nb_frames) print_fmt ("nb_frames", "%"PRId64, stream->nb_frames);
2743 else print_str_opt("nb_frames", "N/A");
2744 if (nb_streams_frames[stream_idx]) print_fmt ("nb_read_frames", "%"PRIu64, nb_streams_frames[stream_idx]);
2745 else print_str_opt("nb_read_frames", "N/A");
2746 if (nb_streams_packets[stream_idx]) print_fmt ("nb_read_packets", "%"PRIu64, nb_streams_packets[stream_idx]);
2747 else print_str_opt("nb_read_packets", "N/A");
2748 if (do_show_data)
2749 writer_print_data(w, "extradata", par->extradata,
2750 par->extradata_size);
2751 writer_print_data_hash(w, "extradata_hash", par->extradata,
2752 par->extradata_size);
2753
2754 /* Print disposition information */
2755 #define PRINT_DISPOSITION(flagname, name) do { \
2756 print_int(name, !!(stream->disposition & AV_DISPOSITION_##flagname)); \
2757 } while (0)
2758
2759 if (do_show_stream_disposition) {
2760 writer_print_section_header(w, in_program ? SECTION_ID_PROGRAM_STREAM_DISPOSITION : SECTION_ID_STREAM_DISPOSITION);
2761 PRINT_DISPOSITION(DEFAULT, "default");
2762 PRINT_DISPOSITION(DUB, "dub");
2763 PRINT_DISPOSITION(ORIGINAL, "original");
2764 PRINT_DISPOSITION(COMMENT, "comment");
2765 PRINT_DISPOSITION(LYRICS, "lyrics");
2766 PRINT_DISPOSITION(KARAOKE, "karaoke");
2767 PRINT_DISPOSITION(FORCED, "forced");
2768 PRINT_DISPOSITION(HEARING_IMPAIRED, "hearing_impaired");
2769 PRINT_DISPOSITION(VISUAL_IMPAIRED, "visual_impaired");
2770 PRINT_DISPOSITION(CLEAN_EFFECTS, "clean_effects");
2771 PRINT_DISPOSITION(ATTACHED_PIC, "attached_pic");
2772 PRINT_DISPOSITION(TIMED_THUMBNAILS, "timed_thumbnails");
2773 writer_print_section_footer(w);
2774 }
2775
2776 if (do_show_stream_tags)
2777 ret = show_tags(w, stream->metadata, in_program ? SECTION_ID_PROGRAM_STREAM_TAGS : SECTION_ID_STREAM_TAGS);
2778
2779 if (stream->nb_side_data) {
2780 print_pkt_side_data(w, stream->codecpar, stream->side_data, stream->nb_side_data,
2781 SECTION_ID_STREAM_SIDE_DATA_LIST,
2782 SECTION_ID_STREAM_SIDE_DATA);
2783 }
2784
2785 writer_print_section_footer(w);
2786 av_bprint_finalize(&pbuf, NULL);
2787 fflush(stdout);
2788
2789 return ret;
2790 }
2791
show_streams(WriterContext * w,InputFile * ifile)2792 static int show_streams(WriterContext *w, InputFile *ifile)
2793 {
2794 AVFormatContext *fmt_ctx = ifile->fmt_ctx;
2795 int i, ret = 0;
2796
2797 writer_print_section_header(w, SECTION_ID_STREAMS);
2798 for (i = 0; i < ifile->nb_streams; i++)
2799 if (selected_streams[i]) {
2800 ret = show_stream(w, fmt_ctx, i, &ifile->streams[i], 0);
2801 if (ret < 0)
2802 break;
2803 }
2804 writer_print_section_footer(w);
2805
2806 return ret;
2807 }
2808
show_program(WriterContext * w,InputFile * ifile,AVProgram * program)2809 static int show_program(WriterContext *w, InputFile *ifile, AVProgram *program)
2810 {
2811 AVFormatContext *fmt_ctx = ifile->fmt_ctx;
2812 int i, ret = 0;
2813
2814 writer_print_section_header(w, SECTION_ID_PROGRAM);
2815 print_int("program_id", program->id);
2816 print_int("program_num", program->program_num);
2817 print_int("nb_streams", program->nb_stream_indexes);
2818 print_int("pmt_pid", program->pmt_pid);
2819 print_int("pcr_pid", program->pcr_pid);
2820 print_ts("start_pts", program->start_time);
2821 print_time("start_time", program->start_time, &AV_TIME_BASE_Q);
2822 print_ts("end_pts", program->end_time);
2823 print_time("end_time", program->end_time, &AV_TIME_BASE_Q);
2824 if (do_show_program_tags)
2825 ret = show_tags(w, program->metadata, SECTION_ID_PROGRAM_TAGS);
2826 if (ret < 0)
2827 goto end;
2828
2829 writer_print_section_header(w, SECTION_ID_PROGRAM_STREAMS);
2830 for (i = 0; i < program->nb_stream_indexes; i++) {
2831 if (selected_streams[program->stream_index[i]]) {
2832 ret = show_stream(w, fmt_ctx, program->stream_index[i], &ifile->streams[program->stream_index[i]], 1);
2833 if (ret < 0)
2834 break;
2835 }
2836 }
2837 writer_print_section_footer(w);
2838
2839 end:
2840 writer_print_section_footer(w);
2841 return ret;
2842 }
2843
show_programs(WriterContext * w,InputFile * ifile)2844 static int show_programs(WriterContext *w, InputFile *ifile)
2845 {
2846 AVFormatContext *fmt_ctx = ifile->fmt_ctx;
2847 int i, ret = 0;
2848
2849 writer_print_section_header(w, SECTION_ID_PROGRAMS);
2850 for (i = 0; i < fmt_ctx->nb_programs; i++) {
2851 AVProgram *program = fmt_ctx->programs[i];
2852 if (!program)
2853 continue;
2854 ret = show_program(w, ifile, program);
2855 if (ret < 0)
2856 break;
2857 }
2858 writer_print_section_footer(w);
2859 return ret;
2860 }
2861
show_chapters(WriterContext * w,InputFile * ifile)2862 static int show_chapters(WriterContext *w, InputFile *ifile)
2863 {
2864 AVFormatContext *fmt_ctx = ifile->fmt_ctx;
2865 int i, ret = 0;
2866
2867 writer_print_section_header(w, SECTION_ID_CHAPTERS);
2868 for (i = 0; i < fmt_ctx->nb_chapters; i++) {
2869 AVChapter *chapter = fmt_ctx->chapters[i];
2870
2871 writer_print_section_header(w, SECTION_ID_CHAPTER);
2872 print_int("id", chapter->id);
2873 print_q ("time_base", chapter->time_base, '/');
2874 print_int("start", chapter->start);
2875 print_time("start_time", chapter->start, &chapter->time_base);
2876 print_int("end", chapter->end);
2877 print_time("end_time", chapter->end, &chapter->time_base);
2878 if (do_show_chapter_tags)
2879 ret = show_tags(w, chapter->metadata, SECTION_ID_CHAPTER_TAGS);
2880 writer_print_section_footer(w);
2881 }
2882 writer_print_section_footer(w);
2883
2884 return ret;
2885 }
2886
show_format(WriterContext * w,InputFile * ifile)2887 static int show_format(WriterContext *w, InputFile *ifile)
2888 {
2889 AVFormatContext *fmt_ctx = ifile->fmt_ctx;
2890 char val_str[128];
2891 int64_t size = fmt_ctx->pb ? avio_size(fmt_ctx->pb) : -1;
2892 int ret = 0;
2893
2894 writer_print_section_header(w, SECTION_ID_FORMAT);
2895 print_str_validate("filename", fmt_ctx->url);
2896 print_int("nb_streams", fmt_ctx->nb_streams);
2897 print_int("nb_programs", fmt_ctx->nb_programs);
2898 print_str("format_name", fmt_ctx->iformat->name);
2899 if (!do_bitexact) {
2900 if (fmt_ctx->iformat->long_name) print_str ("format_long_name", fmt_ctx->iformat->long_name);
2901 else print_str_opt("format_long_name", "unknown");
2902 }
2903 print_time("start_time", fmt_ctx->start_time, &AV_TIME_BASE_Q);
2904 print_time("duration", fmt_ctx->duration, &AV_TIME_BASE_Q);
2905 if (size >= 0) print_val ("size", size, unit_byte_str);
2906 else print_str_opt("size", "N/A");
2907 if (fmt_ctx->bit_rate > 0) print_val ("bit_rate", fmt_ctx->bit_rate, unit_bit_per_second_str);
2908 else print_str_opt("bit_rate", "N/A");
2909 print_int("probe_score", fmt_ctx->probe_score);
2910 if (do_show_format_tags)
2911 ret = show_tags(w, fmt_ctx->metadata, SECTION_ID_FORMAT_TAGS);
2912
2913 writer_print_section_footer(w);
2914 fflush(stdout);
2915 return ret;
2916 }
2917
show_error(WriterContext * w,int err)2918 static void show_error(WriterContext *w, int err)
2919 {
2920 char errbuf[128];
2921 const char *errbuf_ptr = errbuf;
2922
2923 if (av_strerror(err, errbuf, sizeof(errbuf)) < 0)
2924 errbuf_ptr = strerror(AVUNERROR(err));
2925
2926 writer_print_section_header(w, SECTION_ID_ERROR);
2927 print_int("code", err);
2928 print_str("string", errbuf_ptr);
2929 writer_print_section_footer(w);
2930 }
2931
open_input_file(InputFile * ifile,const char * filename,const char * print_filename)2932 static int open_input_file(InputFile *ifile, const char *filename,
2933 const char *print_filename)
2934 {
2935 int err, i;
2936 AVFormatContext *fmt_ctx = NULL;
2937 AVDictionaryEntry *t = NULL;
2938 int scan_all_pmts_set = 0;
2939
2940 fmt_ctx = avformat_alloc_context();
2941 if (!fmt_ctx) {
2942 print_error(filename, AVERROR(ENOMEM));
2943 exit_program(1);
2944 }
2945
2946 if (!av_dict_get(format_opts, "scan_all_pmts", NULL, AV_DICT_MATCH_CASE)) {
2947 av_dict_set(&format_opts, "scan_all_pmts", "1", AV_DICT_DONT_OVERWRITE);
2948 scan_all_pmts_set = 1;
2949 }
2950 if ((err = avformat_open_input(&fmt_ctx, filename,
2951 iformat, &format_opts)) < 0) {
2952 print_error(filename, err);
2953 return err;
2954 }
2955 if (print_filename) {
2956 av_freep(&fmt_ctx->url);
2957 fmt_ctx->url = av_strdup(print_filename);
2958 }
2959 ifile->fmt_ctx = fmt_ctx;
2960 if (scan_all_pmts_set)
2961 av_dict_set(&format_opts, "scan_all_pmts", NULL, AV_DICT_MATCH_CASE);
2962 while ((t = av_dict_get(format_opts, "", t, AV_DICT_IGNORE_SUFFIX)))
2963 av_log(NULL, AV_LOG_WARNING, "Option %s skipped - not known to demuxer.\n", t->key);
2964
2965 if (find_stream_info) {
2966 AVDictionary **opts = setup_find_stream_info_opts(fmt_ctx, codec_opts);
2967 int orig_nb_streams = fmt_ctx->nb_streams;
2968
2969 err = avformat_find_stream_info(fmt_ctx, opts);
2970
2971 for (i = 0; i < orig_nb_streams; i++)
2972 av_dict_free(&opts[i]);
2973 av_freep(&opts);
2974
2975 if (err < 0) {
2976 print_error(filename, err);
2977 return err;
2978 }
2979 }
2980
2981 av_dump_format(fmt_ctx, 0, filename, 0);
2982
2983 ifile->streams = av_mallocz_array(fmt_ctx->nb_streams,
2984 sizeof(*ifile->streams));
2985 if (!ifile->streams)
2986 exit(1);
2987 ifile->nb_streams = fmt_ctx->nb_streams;
2988
2989 /* bind a decoder to each input stream */
2990 for (i = 0; i < fmt_ctx->nb_streams; i++) {
2991 InputStream *ist = &ifile->streams[i];
2992 AVStream *stream = fmt_ctx->streams[i];
2993 const AVCodec *codec;
2994
2995 ist->st = stream;
2996
2997 if (stream->codecpar->codec_id == AV_CODEC_ID_PROBE) {
2998 av_log(NULL, AV_LOG_WARNING,
2999 "Failed to probe codec for input stream %d\n",
3000 stream->index);
3001 continue;
3002 }
3003
3004 codec = avcodec_find_decoder(stream->codecpar->codec_id);
3005 if (!codec) {
3006 av_log(NULL, AV_LOG_WARNING,
3007 "Unsupported codec with id %d for input stream %d\n",
3008 stream->codecpar->codec_id, stream->index);
3009 continue;
3010 }
3011 {
3012 AVDictionary *opts = filter_codec_opts(codec_opts, stream->codecpar->codec_id,
3013 fmt_ctx, stream, codec);
3014
3015 ist->dec_ctx = avcodec_alloc_context3(codec);
3016 if (!ist->dec_ctx)
3017 exit(1);
3018
3019 err = avcodec_parameters_to_context(ist->dec_ctx, stream->codecpar);
3020 if (err < 0)
3021 exit(1);
3022
3023 if (do_show_log) {
3024 // For loging it is needed to disable at least frame threads as otherwise
3025 // the log information would need to be reordered and matches up to contexts and frames
3026 // That is in fact possible but not trivial
3027 av_dict_set(&codec_opts, "threads", "1", 0);
3028 }
3029
3030 ist->dec_ctx->pkt_timebase = stream->time_base;
3031
3032 if (avcodec_open2(ist->dec_ctx, codec, &opts) < 0) {
3033 av_log(NULL, AV_LOG_WARNING, "Could not open codec for input stream %d\n",
3034 stream->index);
3035 exit(1);
3036 }
3037
3038 if ((t = av_dict_get(opts, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
3039 av_log(NULL, AV_LOG_ERROR, "Option %s for input stream %d not found\n",
3040 t->key, stream->index);
3041 return AVERROR_OPTION_NOT_FOUND;
3042 }
3043 }
3044 }
3045
3046 ifile->fmt_ctx = fmt_ctx;
3047 return 0;
3048 }
3049
close_input_file(InputFile * ifile)3050 static void close_input_file(InputFile *ifile)
3051 {
3052 int i;
3053
3054 /* close decoder for each stream */
3055 for (i = 0; i < ifile->nb_streams; i++)
3056 if (ifile->streams[i].st->codecpar->codec_id != AV_CODEC_ID_NONE)
3057 avcodec_free_context(&ifile->streams[i].dec_ctx);
3058
3059 av_freep(&ifile->streams);
3060 ifile->nb_streams = 0;
3061
3062 avformat_close_input(&ifile->fmt_ctx);
3063 }
3064
probe_file(WriterContext * wctx,const char * filename,const char * print_filename)3065 static int probe_file(WriterContext *wctx, const char *filename,
3066 const char *print_filename)
3067 {
3068 InputFile ifile = { 0 };
3069 int ret, i;
3070 int section_id;
3071
3072 do_read_frames = do_show_frames || do_count_frames;
3073 do_read_packets = do_show_packets || do_count_packets;
3074
3075 ret = open_input_file(&ifile, filename, print_filename);
3076 if (ret < 0)
3077 goto end;
3078
3079 #define CHECK_END if (ret < 0) goto end
3080
3081 nb_streams = ifile.fmt_ctx->nb_streams;
3082 REALLOCZ_ARRAY_STREAM(nb_streams_frames,0,ifile.fmt_ctx->nb_streams);
3083 REALLOCZ_ARRAY_STREAM(nb_streams_packets,0,ifile.fmt_ctx->nb_streams);
3084 REALLOCZ_ARRAY_STREAM(selected_streams,0,ifile.fmt_ctx->nb_streams);
3085
3086 for (i = 0; i < ifile.fmt_ctx->nb_streams; i++) {
3087 if (stream_specifier) {
3088 ret = avformat_match_stream_specifier(ifile.fmt_ctx,
3089 ifile.fmt_ctx->streams[i],
3090 stream_specifier);
3091 CHECK_END;
3092 else
3093 selected_streams[i] = ret;
3094 ret = 0;
3095 } else {
3096 selected_streams[i] = 1;
3097 }
3098 if (!selected_streams[i])
3099 ifile.fmt_ctx->streams[i]->discard = AVDISCARD_ALL;
3100 }
3101
3102 if (do_read_frames || do_read_packets) {
3103 if (do_show_frames && do_show_packets &&
3104 wctx->writer->flags & WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER)
3105 section_id = SECTION_ID_PACKETS_AND_FRAMES;
3106 else if (do_show_packets && !do_show_frames)
3107 section_id = SECTION_ID_PACKETS;
3108 else // (!do_show_packets && do_show_frames)
3109 section_id = SECTION_ID_FRAMES;
3110 if (do_show_frames || do_show_packets)
3111 writer_print_section_header(wctx, section_id);
3112 ret = read_packets(wctx, &ifile);
3113 if (do_show_frames || do_show_packets)
3114 writer_print_section_footer(wctx);
3115 CHECK_END;
3116 }
3117
3118 if (do_show_programs) {
3119 ret = show_programs(wctx, &ifile);
3120 CHECK_END;
3121 }
3122
3123 if (do_show_streams) {
3124 ret = show_streams(wctx, &ifile);
3125 CHECK_END;
3126 }
3127 if (do_show_chapters) {
3128 ret = show_chapters(wctx, &ifile);
3129 CHECK_END;
3130 }
3131 if (do_show_format) {
3132 ret = show_format(wctx, &ifile);
3133 CHECK_END;
3134 }
3135
3136 end:
3137 if (ifile.fmt_ctx)
3138 close_input_file(&ifile);
3139 av_freep(&nb_streams_frames);
3140 av_freep(&nb_streams_packets);
3141 av_freep(&selected_streams);
3142
3143 return ret;
3144 }
3145
show_usage(void)3146 static void show_usage(void)
3147 {
3148 av_log(NULL, AV_LOG_INFO, "Simple multimedia streams analyzer\n");
3149 av_log(NULL, AV_LOG_INFO, "usage: %s [OPTIONS] [INPUT_FILE]\n", program_name);
3150 av_log(NULL, AV_LOG_INFO, "\n");
3151 }
3152
ffprobe_show_program_version(WriterContext * w)3153 static void ffprobe_show_program_version(WriterContext *w)
3154 {
3155 AVBPrint pbuf;
3156 av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
3157
3158 writer_print_section_header(w, SECTION_ID_PROGRAM_VERSION);
3159 print_str("version", FFMPEG_VERSION);
3160 print_fmt("copyright", "Copyright (c) %d-%d the FFmpeg developers",
3161 program_birth_year, CONFIG_THIS_YEAR);
3162 print_str("compiler_ident", CC_IDENT);
3163 print_str("configuration", FFMPEG_CONFIGURATION);
3164 writer_print_section_footer(w);
3165
3166 av_bprint_finalize(&pbuf, NULL);
3167 }
3168
3169 #define SHOW_LIB_VERSION(libname, LIBNAME) \
3170 do { \
3171 if (CONFIG_##LIBNAME) { \
3172 unsigned int version = libname##_version(); \
3173 writer_print_section_header(w, SECTION_ID_LIBRARY_VERSION); \
3174 print_str("name", "lib" #libname); \
3175 print_int("major", LIB##LIBNAME##_VERSION_MAJOR); \
3176 print_int("minor", LIB##LIBNAME##_VERSION_MINOR); \
3177 print_int("micro", LIB##LIBNAME##_VERSION_MICRO); \
3178 print_int("version", version); \
3179 print_str("ident", LIB##LIBNAME##_IDENT); \
3180 writer_print_section_footer(w); \
3181 } \
3182 } while (0)
3183
ffprobe_show_library_versions(WriterContext * w)3184 static void ffprobe_show_library_versions(WriterContext *w)
3185 {
3186 writer_print_section_header(w, SECTION_ID_LIBRARY_VERSIONS);
3187 SHOW_LIB_VERSION(avutil, AVUTIL);
3188 SHOW_LIB_VERSION(avcodec, AVCODEC);
3189 SHOW_LIB_VERSION(avformat, AVFORMAT);
3190 SHOW_LIB_VERSION(avdevice, AVDEVICE);
3191 SHOW_LIB_VERSION(avfilter, AVFILTER);
3192 SHOW_LIB_VERSION(swscale, SWSCALE);
3193 SHOW_LIB_VERSION(swresample, SWRESAMPLE);
3194 SHOW_LIB_VERSION(postproc, POSTPROC);
3195 writer_print_section_footer(w);
3196 }
3197
3198 #define PRINT_PIX_FMT_FLAG(flagname, name) \
3199 do { \
3200 print_int(name, !!(pixdesc->flags & AV_PIX_FMT_FLAG_##flagname)); \
3201 } while (0)
3202
ffprobe_show_pixel_formats(WriterContext * w)3203 static void ffprobe_show_pixel_formats(WriterContext *w)
3204 {
3205 const AVPixFmtDescriptor *pixdesc = NULL;
3206 int i, n;
3207
3208 writer_print_section_header(w, SECTION_ID_PIXEL_FORMATS);
3209 while (pixdesc = av_pix_fmt_desc_next(pixdesc)) {
3210 writer_print_section_header(w, SECTION_ID_PIXEL_FORMAT);
3211 print_str("name", pixdesc->name);
3212 print_int("nb_components", pixdesc->nb_components);
3213 if ((pixdesc->nb_components >= 3) && !(pixdesc->flags & AV_PIX_FMT_FLAG_RGB)) {
3214 print_int ("log2_chroma_w", pixdesc->log2_chroma_w);
3215 print_int ("log2_chroma_h", pixdesc->log2_chroma_h);
3216 } else {
3217 print_str_opt("log2_chroma_w", "N/A");
3218 print_str_opt("log2_chroma_h", "N/A");
3219 }
3220 n = av_get_bits_per_pixel(pixdesc);
3221 if (n) print_int ("bits_per_pixel", n);
3222 else print_str_opt("bits_per_pixel", "N/A");
3223 if (do_show_pixel_format_flags) {
3224 writer_print_section_header(w, SECTION_ID_PIXEL_FORMAT_FLAGS);
3225 PRINT_PIX_FMT_FLAG(BE, "big_endian");
3226 PRINT_PIX_FMT_FLAG(PAL, "palette");
3227 PRINT_PIX_FMT_FLAG(BITSTREAM, "bitstream");
3228 PRINT_PIX_FMT_FLAG(HWACCEL, "hwaccel");
3229 PRINT_PIX_FMT_FLAG(PLANAR, "planar");
3230 PRINT_PIX_FMT_FLAG(RGB, "rgb");
3231 PRINT_PIX_FMT_FLAG(ALPHA, "alpha");
3232 writer_print_section_footer(w);
3233 }
3234 if (do_show_pixel_format_components && (pixdesc->nb_components > 0)) {
3235 writer_print_section_header(w, SECTION_ID_PIXEL_FORMAT_COMPONENTS);
3236 for (i = 0; i < pixdesc->nb_components; i++) {
3237 writer_print_section_header(w, SECTION_ID_PIXEL_FORMAT_COMPONENT);
3238 print_int("index", i + 1);
3239 print_int("bit_depth", pixdesc->comp[i].depth);
3240 writer_print_section_footer(w);
3241 }
3242 writer_print_section_footer(w);
3243 }
3244 writer_print_section_footer(w);
3245 }
3246 writer_print_section_footer(w);
3247 }
3248
opt_format(void * optctx,const char * opt,const char * arg)3249 static int opt_format(void *optctx, const char *opt, const char *arg)
3250 {
3251 iformat = av_find_input_format(arg);
3252 if (!iformat) {
3253 av_log(NULL, AV_LOG_ERROR, "Unknown input format: %s\n", arg);
3254 return AVERROR(EINVAL);
3255 }
3256 return 0;
3257 }
3258
mark_section_show_entries(SectionID section_id,int show_all_entries,AVDictionary * entries)3259 static inline void mark_section_show_entries(SectionID section_id,
3260 int show_all_entries, AVDictionary *entries)
3261 {
3262 struct section *section = §ions[section_id];
3263
3264 section->show_all_entries = show_all_entries;
3265 if (show_all_entries) {
3266 SectionID *id;
3267 for (id = section->children_ids; *id != -1; id++)
3268 mark_section_show_entries(*id, show_all_entries, entries);
3269 } else {
3270 av_dict_copy(§ion->entries_to_show, entries, 0);
3271 }
3272 }
3273
match_section(const char * section_name,int show_all_entries,AVDictionary * entries)3274 static int match_section(const char *section_name,
3275 int show_all_entries, AVDictionary *entries)
3276 {
3277 int i, ret = 0;
3278
3279 for (i = 0; i < FF_ARRAY_ELEMS(sections); i++) {
3280 const struct section *section = §ions[i];
3281 if (!strcmp(section_name, section->name) ||
3282 (section->unique_name && !strcmp(section_name, section->unique_name))) {
3283 av_log(NULL, AV_LOG_DEBUG,
3284 "'%s' matches section with unique name '%s'\n", section_name,
3285 (char *)av_x_if_null(section->unique_name, section->name));
3286 ret++;
3287 mark_section_show_entries(section->id, show_all_entries, entries);
3288 }
3289 }
3290 return ret;
3291 }
3292
opt_show_entries(void * optctx,const char * opt,const char * arg)3293 static int opt_show_entries(void *optctx, const char *opt, const char *arg)
3294 {
3295 const char *p = arg;
3296 int ret = 0;
3297
3298 while (*p) {
3299 AVDictionary *entries = NULL;
3300 char *section_name = av_get_token(&p, "=:");
3301 int show_all_entries = 0;
3302
3303 if (!section_name) {
3304 av_log(NULL, AV_LOG_ERROR,
3305 "Missing section name for option '%s'\n", opt);
3306 return AVERROR(EINVAL);
3307 }
3308
3309 if (*p == '=') {
3310 p++;
3311 while (*p && *p != ':') {
3312 char *entry = av_get_token(&p, ",:");
3313 if (!entry)
3314 break;
3315 av_log(NULL, AV_LOG_VERBOSE,
3316 "Adding '%s' to the entries to show in section '%s'\n",
3317 entry, section_name);
3318 av_dict_set(&entries, entry, "", AV_DICT_DONT_STRDUP_KEY);
3319 if (*p == ',')
3320 p++;
3321 }
3322 } else {
3323 show_all_entries = 1;
3324 }
3325
3326 ret = match_section(section_name, show_all_entries, entries);
3327 if (ret == 0) {
3328 av_log(NULL, AV_LOG_ERROR, "No match for section '%s'\n", section_name);
3329 ret = AVERROR(EINVAL);
3330 }
3331 av_dict_free(&entries);
3332 av_free(section_name);
3333
3334 if (ret <= 0)
3335 break;
3336 if (*p)
3337 p++;
3338 }
3339
3340 return ret;
3341 }
3342
opt_show_format_entry(void * optctx,const char * opt,const char * arg)3343 static int opt_show_format_entry(void *optctx, const char *opt, const char *arg)
3344 {
3345 char *buf = av_asprintf("format=%s", arg);
3346 int ret;
3347
3348 if (!buf)
3349 return AVERROR(ENOMEM);
3350
3351 av_log(NULL, AV_LOG_WARNING,
3352 "Option '%s' is deprecated, use '-show_entries format=%s' instead\n",
3353 opt, arg);
3354 ret = opt_show_entries(optctx, opt, buf);
3355 av_free(buf);
3356 return ret;
3357 }
3358
opt_input_file(void * optctx,const char * arg)3359 static void opt_input_file(void *optctx, const char *arg)
3360 {
3361 if (input_filename) {
3362 av_log(NULL, AV_LOG_ERROR,
3363 "Argument '%s' provided as input filename, but '%s' was already specified.\n",
3364 arg, input_filename);
3365 exit_program(1);
3366 }
3367 if (!strcmp(arg, "-"))
3368 arg = "pipe:";
3369 input_filename = arg;
3370 }
3371
opt_input_file_i(void * optctx,const char * opt,const char * arg)3372 static int opt_input_file_i(void *optctx, const char *opt, const char *arg)
3373 {
3374 opt_input_file(optctx, arg);
3375 return 0;
3376 }
3377
opt_print_filename(void * optctx,const char * opt,const char * arg)3378 static int opt_print_filename(void *optctx, const char *opt, const char *arg)
3379 {
3380 print_input_filename = arg;
3381 return 0;
3382 }
3383
show_help_default(const char * opt,const char * arg)3384 void show_help_default(const char *opt, const char *arg)
3385 {
3386 av_log_set_callback(log_callback_help);
3387 show_usage();
3388 show_help_options(options, "Main options:", 0, 0, 0);
3389 printf("\n");
3390
3391 show_help_children(avformat_get_class(), AV_OPT_FLAG_DECODING_PARAM);
3392 show_help_children(avcodec_get_class(), AV_OPT_FLAG_DECODING_PARAM);
3393 }
3394
3395 /**
3396 * Parse interval specification, according to the format:
3397 * INTERVAL ::= [START|+START_OFFSET][%[END|+END_OFFSET]]
3398 * INTERVALS ::= INTERVAL[,INTERVALS]
3399 */
parse_read_interval(const char * interval_spec,ReadInterval * interval)3400 static int parse_read_interval(const char *interval_spec,
3401 ReadInterval *interval)
3402 {
3403 int ret = 0;
3404 char *next, *p, *spec = av_strdup(interval_spec);
3405 if (!spec)
3406 return AVERROR(ENOMEM);
3407
3408 if (!*spec) {
3409 av_log(NULL, AV_LOG_ERROR, "Invalid empty interval specification\n");
3410 ret = AVERROR(EINVAL);
3411 goto end;
3412 }
3413
3414 p = spec;
3415 next = strchr(spec, '%');
3416 if (next)
3417 *next++ = 0;
3418
3419 /* parse first part */
3420 if (*p) {
3421 interval->has_start = 1;
3422
3423 if (*p == '+') {
3424 interval->start_is_offset = 1;
3425 p++;
3426 } else {
3427 interval->start_is_offset = 0;
3428 }
3429
3430 ret = av_parse_time(&interval->start, p, 1);
3431 if (ret < 0) {
3432 av_log(NULL, AV_LOG_ERROR, "Invalid interval start specification '%s'\n", p);
3433 goto end;
3434 }
3435 } else {
3436 interval->has_start = 0;
3437 }
3438
3439 /* parse second part */
3440 p = next;
3441 if (p && *p) {
3442 int64_t us;
3443 interval->has_end = 1;
3444
3445 if (*p == '+') {
3446 interval->end_is_offset = 1;
3447 p++;
3448 } else {
3449 interval->end_is_offset = 0;
3450 }
3451
3452 if (interval->end_is_offset && *p == '#') {
3453 long long int lli;
3454 char *tail;
3455 interval->duration_frames = 1;
3456 p++;
3457 lli = strtoll(p, &tail, 10);
3458 if (*tail || lli < 0) {
3459 av_log(NULL, AV_LOG_ERROR,
3460 "Invalid or negative value '%s' for duration number of frames\n", p);
3461 goto end;
3462 }
3463 interval->end = lli;
3464 } else {
3465 interval->duration_frames = 0;
3466 ret = av_parse_time(&us, p, 1);
3467 if (ret < 0) {
3468 av_log(NULL, AV_LOG_ERROR, "Invalid interval end/duration specification '%s'\n", p);
3469 goto end;
3470 }
3471 interval->end = us;
3472 }
3473 } else {
3474 interval->has_end = 0;
3475 }
3476
3477 end:
3478 av_free(spec);
3479 return ret;
3480 }
3481
parse_read_intervals(const char * intervals_spec)3482 static int parse_read_intervals(const char *intervals_spec)
3483 {
3484 int ret, n, i;
3485 char *p, *spec = av_strdup(intervals_spec);
3486 if (!spec)
3487 return AVERROR(ENOMEM);
3488
3489 /* preparse specification, get number of intervals */
3490 for (n = 0, p = spec; *p; p++)
3491 if (*p == ',')
3492 n++;
3493 n++;
3494
3495 read_intervals = av_malloc_array(n, sizeof(*read_intervals));
3496 if (!read_intervals) {
3497 ret = AVERROR(ENOMEM);
3498 goto end;
3499 }
3500 read_intervals_nb = n;
3501
3502 /* parse intervals */
3503 p = spec;
3504 for (i = 0; p; i++) {
3505 char *next;
3506
3507 av_assert0(i < read_intervals_nb);
3508 next = strchr(p, ',');
3509 if (next)
3510 *next++ = 0;
3511
3512 read_intervals[i].id = i;
3513 ret = parse_read_interval(p, &read_intervals[i]);
3514 if (ret < 0) {
3515 av_log(NULL, AV_LOG_ERROR, "Error parsing read interval #%d '%s'\n",
3516 i, p);
3517 goto end;
3518 }
3519 av_log(NULL, AV_LOG_VERBOSE, "Parsed log interval ");
3520 log_read_interval(&read_intervals[i], NULL, AV_LOG_VERBOSE);
3521 p = next;
3522 }
3523 av_assert0(i == read_intervals_nb);
3524
3525 end:
3526 av_free(spec);
3527 return ret;
3528 }
3529
opt_read_intervals(void * optctx,const char * opt,const char * arg)3530 static int opt_read_intervals(void *optctx, const char *opt, const char *arg)
3531 {
3532 return parse_read_intervals(arg);
3533 }
3534
opt_pretty(void * optctx,const char * opt,const char * arg)3535 static int opt_pretty(void *optctx, const char *opt, const char *arg)
3536 {
3537 show_value_unit = 1;
3538 use_value_prefix = 1;
3539 use_byte_value_binary_prefix = 1;
3540 use_value_sexagesimal_format = 1;
3541 return 0;
3542 }
3543
print_section(SectionID id,int level)3544 static void print_section(SectionID id, int level)
3545 {
3546 const SectionID *pid;
3547 const struct section *section = §ions[id];
3548 printf("%c%c%c",
3549 section->flags & SECTION_FLAG_IS_WRAPPER ? 'W' : '.',
3550 section->flags & SECTION_FLAG_IS_ARRAY ? 'A' : '.',
3551 section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS ? 'V' : '.');
3552 printf("%*c %s", level * 4, ' ', section->name);
3553 if (section->unique_name)
3554 printf("/%s", section->unique_name);
3555 printf("\n");
3556
3557 for (pid = section->children_ids; *pid != -1; pid++)
3558 print_section(*pid, level+1);
3559 }
3560
opt_sections(void * optctx,const char * opt,const char * arg)3561 static int opt_sections(void *optctx, const char *opt, const char *arg)
3562 {
3563 printf("Sections:\n"
3564 "W.. = Section is a wrapper (contains other sections, no local entries)\n"
3565 ".A. = Section contains an array of elements of the same type\n"
3566 "..V = Section may contain a variable number of fields with variable keys\n"
3567 "FLAGS NAME/UNIQUE_NAME\n"
3568 "---\n");
3569 print_section(SECTION_ID_ROOT, 0);
3570 return 0;
3571 }
3572
opt_show_versions(void * optctx,const char * opt,const char * arg)3573 static int opt_show_versions(void *optctx, const char *opt, const char *arg)
3574 {
3575 mark_section_show_entries(SECTION_ID_PROGRAM_VERSION, 1, NULL);
3576 mark_section_show_entries(SECTION_ID_LIBRARY_VERSION, 1, NULL);
3577 return 0;
3578 }
3579
3580 #define DEFINE_OPT_SHOW_SECTION(section, target_section_id) \
3581 static int opt_show_##section(void *optctx, const char *opt, const char *arg) \
3582 { \
3583 mark_section_show_entries(SECTION_ID_##target_section_id, 1, NULL); \
3584 return 0; \
3585 }
3586
3587 DEFINE_OPT_SHOW_SECTION(chapters, CHAPTERS)
3588 DEFINE_OPT_SHOW_SECTION(error, ERROR)
3589 DEFINE_OPT_SHOW_SECTION(format, FORMAT)
3590 DEFINE_OPT_SHOW_SECTION(frames, FRAMES)
3591 DEFINE_OPT_SHOW_SECTION(library_versions, LIBRARY_VERSIONS)
3592 DEFINE_OPT_SHOW_SECTION(packets, PACKETS)
3593 DEFINE_OPT_SHOW_SECTION(pixel_formats, PIXEL_FORMATS)
3594 DEFINE_OPT_SHOW_SECTION(program_version, PROGRAM_VERSION)
3595 DEFINE_OPT_SHOW_SECTION(streams, STREAMS)
3596 DEFINE_OPT_SHOW_SECTION(programs, PROGRAMS)
3597
3598 static const OptionDef real_options[] = {
3599 CMDUTILS_COMMON_OPTIONS
3600 { "f", HAS_ARG, {.func_arg = opt_format}, "force format", "format" },
3601 { "unit", OPT_BOOL, {&show_value_unit}, "show unit of the displayed values" },
3602 { "prefix", OPT_BOOL, {&use_value_prefix}, "use SI prefixes for the displayed values" },
3603 { "byte_binary_prefix", OPT_BOOL, {&use_byte_value_binary_prefix},
3604 "use binary prefixes for byte units" },
3605 { "sexagesimal", OPT_BOOL, {&use_value_sexagesimal_format},
3606 "use sexagesimal format HOURS:MM:SS.MICROSECONDS for time units" },
3607 { "pretty", 0, {.func_arg = opt_pretty},
3608 "prettify the format of displayed values, make it more human readable" },
3609 { "print_format", OPT_STRING | HAS_ARG, { &print_format },
3610 "set the output printing format (available formats are: default, compact, csv, flat, ini, json, xml)", "format" },
3611 { "of", OPT_STRING | HAS_ARG, { &print_format }, "alias for -print_format", "format" },
3612 { "select_streams", OPT_STRING | HAS_ARG, { &stream_specifier }, "select the specified streams", "stream_specifier" },
3613 { "sections", OPT_EXIT, {.func_arg = opt_sections}, "print sections structure and section information, and exit" },
3614 { "show_data", OPT_BOOL, { &do_show_data }, "show packets data" },
3615 { "show_data_hash", OPT_STRING | HAS_ARG, { &show_data_hash }, "show packets data hash" },
3616 { "show_error", 0, { .func_arg = &opt_show_error }, "show probing error" },
3617 { "show_format", 0, { .func_arg = &opt_show_format }, "show format/container info" },
3618 { "show_frames", 0, { .func_arg = &opt_show_frames }, "show frames info" },
3619 { "show_format_entry", HAS_ARG, {.func_arg = opt_show_format_entry},
3620 "show a particular entry from the format/container info", "entry" },
3621 { "show_entries", HAS_ARG, {.func_arg = opt_show_entries},
3622 "show a set of specified entries", "entry_list" },
3623 #if HAVE_THREADS
3624 { "show_log", OPT_INT|HAS_ARG, { &do_show_log }, "show log" },
3625 #endif
3626 { "show_packets", 0, { .func_arg = &opt_show_packets }, "show packets info" },
3627 { "show_programs", 0, { .func_arg = &opt_show_programs }, "show programs info" },
3628 { "show_streams", 0, { .func_arg = &opt_show_streams }, "show streams info" },
3629 { "show_chapters", 0, { .func_arg = &opt_show_chapters }, "show chapters info" },
3630 { "count_frames", OPT_BOOL, { &do_count_frames }, "count the number of frames per stream" },
3631 { "count_packets", OPT_BOOL, { &do_count_packets }, "count the number of packets per stream" },
3632 { "show_program_version", 0, { .func_arg = &opt_show_program_version }, "show ffprobe version" },
3633 { "show_library_versions", 0, { .func_arg = &opt_show_library_versions }, "show library versions" },
3634 { "show_versions", 0, { .func_arg = &opt_show_versions }, "show program and library versions" },
3635 { "show_pixel_formats", 0, { .func_arg = &opt_show_pixel_formats }, "show pixel format descriptions" },
3636 { "show_private_data", OPT_BOOL, { &show_private_data }, "show private data" },
3637 { "private", OPT_BOOL, { &show_private_data }, "same as show_private_data" },
3638 { "bitexact", OPT_BOOL, {&do_bitexact}, "force bitexact output" },
3639 { "read_intervals", HAS_ARG, {.func_arg = opt_read_intervals}, "set read intervals", "read_intervals" },
3640 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {.func_arg = opt_default}, "generic catch all option", "" },
3641 { "i", HAS_ARG, {.func_arg = opt_input_file_i}, "read specified file", "input_file"},
3642 { "print_filename", HAS_ARG, {.func_arg = opt_print_filename}, "override the printed input filename", "print_file"},
3643 { "find_stream_info", OPT_BOOL | OPT_INPUT | OPT_EXPERT, { &find_stream_info },
3644 "read and decode the streams to fill missing information with heuristics" },
3645 { NULL, },
3646 };
3647
check_section_show_entries(int section_id)3648 static inline int check_section_show_entries(int section_id)
3649 {
3650 int *id;
3651 struct section *section = §ions[section_id];
3652 if (sections[section_id].show_all_entries || sections[section_id].entries_to_show)
3653 return 1;
3654 for (id = section->children_ids; *id != -1; id++)
3655 if (check_section_show_entries(*id))
3656 return 1;
3657 return 0;
3658 }
3659
3660 #define SET_DO_SHOW(id, varname) do { \
3661 if (check_section_show_entries(SECTION_ID_##id)) \
3662 do_show_##varname = 1; \
3663 } while (0)
3664
main(int argc,char ** argv)3665 int main(int argc, char **argv)
3666 {
3667 const Writer *w;
3668 WriterContext *wctx;
3669 char *buf;
3670 char *w_name = NULL, *w_args = NULL;
3671 int ret, i;
3672
3673 init_dynload();
3674
3675 #if HAVE_THREADS
3676 ret = pthread_mutex_init(&log_mutex, NULL);
3677 if (ret != 0) {
3678 goto end;
3679 }
3680 #endif
3681 av_log_set_flags(AV_LOG_SKIP_REPEATED);
3682 register_exit(ffprobe_cleanup);
3683
3684 options = real_options;
3685 parse_loglevel(argc, argv, options);
3686 avformat_network_init();
3687 init_opts();
3688 #if CONFIG_AVDEVICE
3689 avdevice_register_all();
3690 #endif
3691
3692 show_banner(argc, argv, options);
3693 parse_options(NULL, argc, argv, options, opt_input_file);
3694
3695 if (do_show_log)
3696 av_log_set_callback(log_callback);
3697
3698 /* mark things to show, based on -show_entries */
3699 SET_DO_SHOW(CHAPTERS, chapters);
3700 SET_DO_SHOW(ERROR, error);
3701 SET_DO_SHOW(FORMAT, format);
3702 SET_DO_SHOW(FRAMES, frames);
3703 SET_DO_SHOW(LIBRARY_VERSIONS, library_versions);
3704 SET_DO_SHOW(PACKETS, packets);
3705 SET_DO_SHOW(PIXEL_FORMATS, pixel_formats);
3706 SET_DO_SHOW(PIXEL_FORMAT_FLAGS, pixel_format_flags);
3707 SET_DO_SHOW(PIXEL_FORMAT_COMPONENTS, pixel_format_components);
3708 SET_DO_SHOW(PROGRAM_VERSION, program_version);
3709 SET_DO_SHOW(PROGRAMS, programs);
3710 SET_DO_SHOW(STREAMS, streams);
3711 SET_DO_SHOW(STREAM_DISPOSITION, stream_disposition);
3712 SET_DO_SHOW(PROGRAM_STREAM_DISPOSITION, stream_disposition);
3713
3714 SET_DO_SHOW(CHAPTER_TAGS, chapter_tags);
3715 SET_DO_SHOW(FORMAT_TAGS, format_tags);
3716 SET_DO_SHOW(FRAME_TAGS, frame_tags);
3717 SET_DO_SHOW(PROGRAM_TAGS, program_tags);
3718 SET_DO_SHOW(STREAM_TAGS, stream_tags);
3719 SET_DO_SHOW(PROGRAM_STREAM_TAGS, stream_tags);
3720 SET_DO_SHOW(PACKET_TAGS, packet_tags);
3721
3722 if (do_bitexact && (do_show_program_version || do_show_library_versions)) {
3723 av_log(NULL, AV_LOG_ERROR,
3724 "-bitexact and -show_program_version or -show_library_versions "
3725 "options are incompatible\n");
3726 ret = AVERROR(EINVAL);
3727 goto end;
3728 }
3729
3730 writer_register_all();
3731
3732 if (!print_format)
3733 print_format = av_strdup("default");
3734 if (!print_format) {
3735 ret = AVERROR(ENOMEM);
3736 goto end;
3737 }
3738 w_name = av_strtok(print_format, "=", &buf);
3739 if (!w_name) {
3740 av_log(NULL, AV_LOG_ERROR,
3741 "No name specified for the output format\n");
3742 ret = AVERROR(EINVAL);
3743 goto end;
3744 }
3745 w_args = buf;
3746
3747 if (show_data_hash) {
3748 if ((ret = av_hash_alloc(&hash, show_data_hash)) < 0) {
3749 if (ret == AVERROR(EINVAL)) {
3750 const char *n;
3751 av_log(NULL, AV_LOG_ERROR,
3752 "Unknown hash algorithm '%s'\nKnown algorithms:",
3753 show_data_hash);
3754 for (i = 0; (n = av_hash_names(i)); i++)
3755 av_log(NULL, AV_LOG_ERROR, " %s", n);
3756 av_log(NULL, AV_LOG_ERROR, "\n");
3757 }
3758 goto end;
3759 }
3760 }
3761
3762 w = writer_get_by_name(w_name);
3763 if (!w) {
3764 av_log(NULL, AV_LOG_ERROR, "Unknown output format with name '%s'\n", w_name);
3765 ret = AVERROR(EINVAL);
3766 goto end;
3767 }
3768
3769 if ((ret = writer_open(&wctx, w, w_args,
3770 sections, FF_ARRAY_ELEMS(sections))) >= 0) {
3771 if (w == &xml_writer)
3772 wctx->string_validation_utf8_flags |= AV_UTF8_FLAG_EXCLUDE_XML_INVALID_CONTROL_CODES;
3773
3774 writer_print_section_header(wctx, SECTION_ID_ROOT);
3775
3776 if (do_show_program_version)
3777 ffprobe_show_program_version(wctx);
3778 if (do_show_library_versions)
3779 ffprobe_show_library_versions(wctx);
3780 if (do_show_pixel_formats)
3781 ffprobe_show_pixel_formats(wctx);
3782
3783 if (!input_filename &&
3784 ((do_show_format || do_show_programs || do_show_streams || do_show_chapters || do_show_packets || do_show_error) ||
3785 (!do_show_program_version && !do_show_library_versions && !do_show_pixel_formats))) {
3786 show_usage();
3787 av_log(NULL, AV_LOG_ERROR, "You have to specify one input file.\n");
3788 av_log(NULL, AV_LOG_ERROR, "Use -h to get full help or, even better, run 'man %s'.\n", program_name);
3789 ret = AVERROR(EINVAL);
3790 } else if (input_filename) {
3791 ret = probe_file(wctx, input_filename, print_input_filename);
3792 if (ret < 0 && do_show_error)
3793 show_error(wctx, ret);
3794 }
3795
3796 writer_print_section_footer(wctx);
3797 writer_close(&wctx);
3798 }
3799
3800 end:
3801 av_freep(&print_format);
3802 av_freep(&read_intervals);
3803 av_hash_freep(&hash);
3804
3805 uninit_opts();
3806 for (i = 0; i < FF_ARRAY_ELEMS(sections); i++)
3807 av_dict_free(&(sections[i].entries_to_show));
3808
3809 avformat_network_deinit();
3810
3811 return ret < 0;
3812 }
3813