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