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Imported Debian version 2.4.3~trusty1
[deb_ffmpeg.git] / ffmpeg / ffprobe.c
CommitLineData
2ba45a60
DM		 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/hash.h"
37#include "libavutil/opt.h"
38#include "libavutil/pixdesc.h"
39#include "libavutil/dict.h"
40#include "libavutil/libm.h"
41#include "libavutil/parseutils.h"
42#include "libavutil/timecode.h"
43#include "libavutil/timestamp.h"
44#include "libavdevice/avdevice.h"
45#include "libswscale/swscale.h"
46#include "libswresample/swresample.h"
47#include "libpostproc/postprocess.h"
48#include "cmdutils.h"
49
50const char program_name[] = "ffprobe";
51const int program_birth_year = 2007;
52
53static int do_bitexact = 0;
54static int do_count_frames = 0;
55static int do_count_packets = 0;
56static int do_read_frames = 0;
57static int do_read_packets = 0;
58static int do_show_chapters = 0;
59static int do_show_error = 0;
60static int do_show_format = 0;
61static int do_show_frames = 0;
62static int do_show_packets = 0;
63static int do_show_programs = 0;
64static int do_show_streams = 0;
65static int do_show_stream_disposition = 0;
66static int do_show_data = 0;
67static int do_show_program_version = 0;
68static int do_show_library_versions = 0;
69
70static int do_show_chapter_tags = 0;
71static int do_show_format_tags = 0;
72static int do_show_frame_tags = 0;
73static int do_show_program_tags = 0;
74static int do_show_stream_tags = 0;
75
76static int show_value_unit = 0;
77static int use_value_prefix = 0;
78static int use_byte_value_binary_prefix = 0;
79static int use_value_sexagesimal_format = 0;
80static int show_private_data = 1;
81
82static char *print_format;
83static char *stream_specifier;
84static char *show_data_hash;
85
86typedef struct {
87 int id; ///< identifier
88 int64_t start, end; ///< start, end in second/AV_TIME_BASE units
89 int has_start, has_end;
90 int start_is_offset, end_is_offset;
91 int duration_frames;
92} ReadInterval;
93
94static ReadInterval *read_intervals;
95static int read_intervals_nb = 0;
96
97/* section structure definition */
98
99#define SECTION_MAX_NB_CHILDREN 10
100
101struct section {
102 int id; ///< unique id identifying a section
103 const char *name;
104
105#define SECTION_FLAG_IS_WRAPPER 1 ///< the section only contains other sections, but has no data at its own level
106#define SECTION_FLAG_IS_ARRAY 2 ///< the section contains an array of elements of the same type
107#define SECTION_FLAG_HAS_VARIABLE_FIELDS 4 ///< the section may contain a variable number of fields with variable keys.
108 /// For these sections the element_name field is mandatory.
109 int flags;
110 int children_ids[SECTION_MAX_NB_CHILDREN+1]; ///< list of children section IDS, terminated by -1
111 const char *element_name; ///< name of the contained element, if provided
112 const char *unique_name; ///< unique section name, in case the name is ambiguous
113 AVDictionary *entries_to_show;
114 int show_all_entries;
115};
116
117typedef enum {
118 SECTION_ID_NONE = -1,
119 SECTION_ID_CHAPTER,
120 SECTION_ID_CHAPTER_TAGS,
121 SECTION_ID_CHAPTERS,
122 SECTION_ID_ERROR,
123 SECTION_ID_FORMAT,
124 SECTION_ID_FORMAT_TAGS,
125 SECTION_ID_FRAME,
126 SECTION_ID_FRAMES,
127 SECTION_ID_FRAME_TAGS,
128 SECTION_ID_FRAME_SIDE_DATA_LIST,
129 SECTION_ID_FRAME_SIDE_DATA,
130 SECTION_ID_LIBRARY_VERSION,
131 SECTION_ID_LIBRARY_VERSIONS,
132 SECTION_ID_PACKET,
133 SECTION_ID_PACKETS,
134 SECTION_ID_PACKETS_AND_FRAMES,
135 SECTION_ID_PROGRAM_STREAM_DISPOSITION,
136 SECTION_ID_PROGRAM_STREAM_TAGS,
137 SECTION_ID_PROGRAM,
138 SECTION_ID_PROGRAM_STREAMS,
139 SECTION_ID_PROGRAM_STREAM,
140 SECTION_ID_PROGRAM_TAGS,
141 SECTION_ID_PROGRAM_VERSION,
142 SECTION_ID_PROGRAMS,
143 SECTION_ID_ROOT,
144 SECTION_ID_STREAM,
145 SECTION_ID_STREAM_DISPOSITION,
146 SECTION_ID_STREAMS,
147 SECTION_ID_STREAM_TAGS,
148 SECTION_ID_SUBTITLE,
149} SectionID;
150
151static struct section sections[] = {
152 [SECTION_ID_CHAPTERS] = { SECTION_ID_CHAPTERS, "chapters", SECTION_FLAG_IS_ARRAY, { SECTION_ID_CHAPTER, -1 } },
153 [SECTION_ID_CHAPTER] = { SECTION_ID_CHAPTER, "chapter", 0, { SECTION_ID_CHAPTER_TAGS, -1 } },
154 [SECTION_ID_CHAPTER_TAGS] = { SECTION_ID_CHAPTER_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "chapter_tags" },
155 [SECTION_ID_ERROR] = { SECTION_ID_ERROR, "error", 0, { -1 } },
156 [SECTION_ID_FORMAT] = { SECTION_ID_FORMAT, "format", 0, { SECTION_ID_FORMAT_TAGS, -1 } },
157 [SECTION_ID_FORMAT_TAGS] = { SECTION_ID_FORMAT_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "format_tags" },
158 [SECTION_ID_FRAMES] = { SECTION_ID_FRAMES, "frames", SECTION_FLAG_IS_ARRAY, { SECTION_ID_FRAME, SECTION_ID_SUBTITLE, -1 } },
159 [SECTION_ID_FRAME] = { SECTION_ID_FRAME, "frame", 0, { SECTION_ID_FRAME_TAGS, SECTION_ID_FRAME_SIDE_DATA_LIST, -1 } },
160 [SECTION_ID_FRAME_TAGS] = { SECTION_ID_FRAME_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "frame_tags" },
161 [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 } },
162 [SECTION_ID_FRAME_SIDE_DATA] = { SECTION_ID_FRAME_SIDE_DATA, "side_data", 0, { -1 } },
163 [SECTION_ID_LIBRARY_VERSIONS] = { SECTION_ID_LIBRARY_VERSIONS, "library_versions", SECTION_FLAG_IS_ARRAY, { SECTION_ID_LIBRARY_VERSION, -1 } },
164 [SECTION_ID_LIBRARY_VERSION] = { SECTION_ID_LIBRARY_VERSION, "library_version", 0, { -1 } },
165 [SECTION_ID_PACKETS] = { SECTION_ID_PACKETS, "packets", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PACKET, -1} },
166 [SECTION_ID_PACKETS_AND_FRAMES] = { SECTION_ID_PACKETS_AND_FRAMES, "packets_and_frames", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PACKET, -1} },
167 [SECTION_ID_PACKET] = { SECTION_ID_PACKET, "packet", 0, { -1 } },
168 [SECTION_ID_PROGRAM_STREAM_DISPOSITION] = { SECTION_ID_PROGRAM_STREAM_DISPOSITION, "disposition", 0, { -1 }, .unique_name = "program_stream_disposition" },
169 [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" },
170 [SECTION_ID_PROGRAM] = { SECTION_ID_PROGRAM, "program", 0, { SECTION_ID_PROGRAM_TAGS, SECTION_ID_PROGRAM_STREAMS, -1 } },
171 [SECTION_ID_PROGRAM_STREAMS] = { SECTION_ID_PROGRAM_STREAMS, "streams", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PROGRAM_STREAM, -1 }, .unique_name = "program_streams" },
172 [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" },
173 [SECTION_ID_PROGRAM_TAGS] = { SECTION_ID_PROGRAM_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "program_tags" },
174 [SECTION_ID_PROGRAM_VERSION] = { SECTION_ID_PROGRAM_VERSION, "program_version", 0, { -1 } },
175 [SECTION_ID_PROGRAMS] = { SECTION_ID_PROGRAMS, "programs", SECTION_FLAG_IS_ARRAY, { SECTION_ID_PROGRAM, -1 } },
176 [SECTION_ID_ROOT] = { SECTION_ID_ROOT, "root", SECTION_FLAG_IS_WRAPPER,
177 { SECTION_ID_CHAPTERS, SECTION_ID_FORMAT, SECTION_ID_FRAMES, SECTION_ID_PROGRAMS, SECTION_ID_STREAMS,
178 SECTION_ID_PACKETS, SECTION_ID_ERROR, SECTION_ID_PROGRAM_VERSION, SECTION_ID_LIBRARY_VERSIONS, -1} },
179 [SECTION_ID_STREAMS] = { SECTION_ID_STREAMS, "streams", SECTION_FLAG_IS_ARRAY, { SECTION_ID_STREAM, -1 } },
180 [SECTION_ID_STREAM] = { SECTION_ID_STREAM, "stream", 0, { SECTION_ID_STREAM_DISPOSITION, SECTION_ID_STREAM_TAGS, -1 } },
181 [SECTION_ID_STREAM_DISPOSITION] = { SECTION_ID_STREAM_DISPOSITION, "disposition", 0, { -1 }, .unique_name = "stream_disposition" },
182 [SECTION_ID_STREAM_TAGS] = { SECTION_ID_STREAM_TAGS, "tags", SECTION_FLAG_HAS_VARIABLE_FIELDS, { -1 }, .element_name = "tag", .unique_name = "stream_tags" },
183 [SECTION_ID_SUBTITLE] = { SECTION_ID_SUBTITLE, "subtitle", 0, { -1 } },
184};
185
186static const OptionDef *options;
187
188/* FFprobe context */
189static const char *input_filename;
190static AVInputFormat *iformat = NULL;
191
192static struct AVHashContext *hash;
193
194static const char *const binary_unit_prefixes [] = { "", "Ki", "Mi", "Gi", "Ti", "Pi" };
195static const char *const decimal_unit_prefixes[] = { "", "K" , "M" , "G" , "T" , "P" };
196
197static const char unit_second_str[] = "s" ;
198static const char unit_hertz_str[] = "Hz" ;
199static const char unit_byte_str[] = "byte" ;
200static const char unit_bit_per_second_str[] = "bit/s";
201
202static int nb_streams;
203static uint64_t *nb_streams_packets;
204static uint64_t *nb_streams_frames;
205static int *selected_streams;
206
207static void ffprobe_cleanup(int ret)
208{
209 int i;
210 for (i = 0; i < FF_ARRAY_ELEMS(sections); i++)
211 av_dict_free(&(sections[i].entries_to_show));
212}
213
214struct unit_value {
215 union { double d; long long int i; } val;
216 const char *unit;
217};
218
219static char *value_string(char *buf, int buf_size, struct unit_value uv)
220{
221 double vald;
222 long long int vali;
223 int show_float = 0;
224
225 if (uv.unit == unit_second_str) {
226 vald = uv.val.d;
227 show_float = 1;
228 } else {
229 vald = vali = uv.val.i;
230 }
231
232 if (uv.unit == unit_second_str && use_value_sexagesimal_format) {
233 double secs;
234 int hours, mins;
235 secs = vald;
236 mins = (int)secs / 60;
237 secs = secs - mins * 60;
238 hours = mins / 60;
239 mins %= 60;
240 snprintf(buf, buf_size, "%d:%02d:%09.6f", hours, mins, secs);
241 } else {
242 const char *prefix_string = "";
243
244 if (use_value_prefix && vald > 1) {
245 long long int index;
246
247 if (uv.unit == unit_byte_str && use_byte_value_binary_prefix) {
248 index = (long long int) (log2(vald)) / 10;
249 index = av_clip(index, 0, FF_ARRAY_ELEMS(binary_unit_prefixes) - 1);
250 vald /= exp2(index * 10);
251 prefix_string = binary_unit_prefixes[index];
252 } else {
253 index = (long long int) (log10(vald)) / 3;
254 index = av_clip(index, 0, FF_ARRAY_ELEMS(decimal_unit_prefixes) - 1);
255 vald /= pow(10, index * 3);
256 prefix_string = decimal_unit_prefixes[index];
257 }
258 vali = vald;
259 }
260
261 if (show_float || (use_value_prefix && vald != (long long int)vald))
262 snprintf(buf, buf_size, "%f", vald);
263 else
264 snprintf(buf, buf_size, "%lld", vali);
265 av_strlcatf(buf, buf_size, "%s%s%s", *prefix_string || show_value_unit ? " " : "",
266 prefix_string, show_value_unit ? uv.unit : "");
267 }
268
269 return buf;
270}
271
272/* WRITERS API */
273
274typedef struct WriterContext WriterContext;
275
276#define WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS 1
277#define WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER 2
278
279typedef enum {
280 WRITER_STRING_VALIDATION_FAIL,
281 WRITER_STRING_VALIDATION_REPLACE,
282 WRITER_STRING_VALIDATION_IGNORE,
283 WRITER_STRING_VALIDATION_NB
284} StringValidation;
285
286typedef struct Writer {
287 const AVClass *priv_class; ///< private class of the writer, if any
288 int priv_size; ///< private size for the writer context
289 const char *name;
290
291 int (*init) (WriterContext *wctx);
292 void (*uninit)(WriterContext *wctx);
293
294 void (*print_section_header)(WriterContext *wctx);
295 void (*print_section_footer)(WriterContext *wctx);
296 void (*print_integer) (WriterContext *wctx, const char *, long long int);
297 void (*print_rational) (WriterContext *wctx, AVRational *q, char *sep);
298 void (*print_string) (WriterContext *wctx, const char *, const char *);
299 int flags; ///< a combination or WRITER_FLAG_*
300} Writer;
301
302#define SECTION_MAX_NB_LEVELS 10
303
304struct WriterContext {
305 const AVClass *class; ///< class of the writer
306 const Writer *writer; ///< the Writer of which this is an instance
307 char *name; ///< name of this writer instance
308 void *priv; ///< private data for use by the filter
309
310 const struct section *sections; ///< array containing all sections
311 int nb_sections; ///< number of sections
312
313 int level; ///< current level, starting from 0
314
315 /** number of the item printed in the given section, starting from 0 */
316 unsigned int nb_item[SECTION_MAX_NB_LEVELS];
317
318 /** section per each level */
319 const struct section *section[SECTION_MAX_NB_LEVELS];
320 AVBPrint section_pbuf[SECTION_MAX_NB_LEVELS]; ///< generic print buffer dedicated to each section,
321 /// used by various writers
322
323 unsigned int nb_section_packet; ///< number of the packet section in case we are in "packets_and_frames" section
324 unsigned int nb_section_frame; ///< number of the frame section in case we are in "packets_and_frames" section
325 unsigned int nb_section_packet_frame; ///< nb_section_packet or nb_section_frame according if is_packets_and_frames
326
327 StringValidation string_validation;
328 char *string_validation_replacement;
329 unsigned int string_validation_utf8_flags;
330};
331
332static const char *writer_get_name(void *p)
333{
334 WriterContext *wctx = p;
335 return wctx->writer->name;
336}
337
338#define OFFSET(x) offsetof(WriterContext, x)
339
340static const AVOption writer_options[] = {
341 { "string_validation", "set string validation mode",
342 OFFSET(string_validation), AV_OPT_TYPE_INT, {.i64=WRITER_STRING_VALIDATION_REPLACE}, 0, WRITER_STRING_VALIDATION_NB-1, .unit = "sv" },
343 { "sv", "set string validation mode",
344 OFFSET(string_validation), AV_OPT_TYPE_INT, {.i64=WRITER_STRING_VALIDATION_REPLACE}, 0, WRITER_STRING_VALIDATION_NB-1, .unit = "sv" },
345 { "ignore", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = WRITER_STRING_VALIDATION_IGNORE}, .unit = "sv" },
346 { "replace", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = WRITER_STRING_VALIDATION_REPLACE}, .unit = "sv" },
347 { "fail", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = WRITER_STRING_VALIDATION_FAIL}, .unit = "sv" },
348 { "string_validation_replacement", "set string validation replacement string", OFFSET(string_validation_replacement), AV_OPT_TYPE_STRING, {.str=""}},
349 { "svr", "set string validation replacement string", OFFSET(string_validation_replacement), AV_OPT_TYPE_STRING, {.str="\xEF\xBF\xBD"}},
350 { NULL }
351};
352
353static void *writer_child_next(void *obj, void *prev)
354{
355 WriterContext *ctx = obj;
356 if (!prev && ctx->writer && ctx->writer->priv_class && ctx->priv)
357 return ctx->priv;
358 return NULL;
359}
360
361static const AVClass writer_class = {
362 .class_name = "Writer",
363 .item_name = writer_get_name,
364 .option = writer_options,
365 .version = LIBAVUTIL_VERSION_INT,
366 .child_next = writer_child_next,
367};
368
369static void writer_close(WriterContext **wctx)
370{
371 int i;
372
373 if (!*wctx)
374 return;
375
376 if ((*wctx)->writer->uninit)
377 (*wctx)->writer->uninit(*wctx);
378 for (i = 0; i < SECTION_MAX_NB_LEVELS; i++)
379 av_bprint_finalize(&(*wctx)->section_pbuf[i], NULL);
380 if ((*wctx)->writer->priv_class)
381 av_opt_free((*wctx)->priv);
382 av_freep(&((*wctx)->priv));
383 av_opt_free(*wctx);
384 av_freep(wctx);
385}
386
387static void bprint_bytes(AVBPrint *bp, const uint8_t *ubuf, size_t ubuf_size)
388{
389 int i;
390 av_bprintf(bp, "0X");
391 for (i = 0; i < ubuf_size; i++)
392 av_bprintf(bp, "%02X", ubuf[i]);
393}
394
395
396static int writer_open(WriterContext **wctx, const Writer *writer, const char *args,
397 const struct section *sections, int nb_sections)
398{
399 int i, ret = 0;
400
401 if (!(*wctx = av_mallocz(sizeof(WriterContext)))) {
402 ret = AVERROR(ENOMEM);
403 goto fail;
404 }
405
406 if (!((*wctx)->priv = av_mallocz(writer->priv_size))) {
407 ret = AVERROR(ENOMEM);
408 goto fail;
409 }
410
411 (*wctx)->class = &writer_class;
412 (*wctx)->writer = writer;
413 (*wctx)->level = -1;
414 (*wctx)->sections = sections;
415 (*wctx)->nb_sections = nb_sections;
416
417 av_opt_set_defaults(*wctx);
418
419 if (writer->priv_class) {
420 void *priv_ctx = (*wctx)->priv;
421 *((const AVClass **)priv_ctx) = writer->priv_class;
422 av_opt_set_defaults(priv_ctx);
423 }
424
425 /* convert options to dictionary */
426 if (args) {
427 AVDictionary *opts = NULL;
428 AVDictionaryEntry *opt = NULL;
429
430 if ((ret = av_dict_parse_string(&opts, args, "=", ":", 0)) < 0) {
431 av_log(*wctx, AV_LOG_ERROR, "Failed to parse option string '%s' provided to writer context\n", args);
432 av_dict_free(&opts);
433 goto fail;
434 }
435
436 while ((opt = av_dict_get(opts, "", opt, AV_DICT_IGNORE_SUFFIX))) {
437 if ((ret = av_opt_set(*wctx, opt->key, opt->value, AV_OPT_SEARCH_CHILDREN)) < 0) {
438 av_log(*wctx, AV_LOG_ERROR, "Failed to set option '%s' with value '%s' provided to writer context\n",
439 opt->key, opt->value);
440 av_dict_free(&opts);
441 goto fail;
442 }
443 }
444
445 av_dict_free(&opts);
446 }
447
448 /* validate replace string */
449 {
450 const uint8_t *p = (*wctx)->string_validation_replacement;
451 const uint8_t *endp = p + strlen(p);
452 while (*p) {
453 const uint8_t *p0 = p;
454 int32_t code;
455 ret = av_utf8_decode(&code, &p, endp, (*wctx)->string_validation_utf8_flags);
456 if (ret < 0) {
457 AVBPrint bp;
458 av_bprint_init(&bp, 0, AV_BPRINT_SIZE_AUTOMATIC);
459 bprint_bytes(&bp, p0, p-p0),
460 av_log(wctx, AV_LOG_ERROR,
461 "Invalid UTF8 sequence %s found in string validation replace '%s'\n",
462 bp.str, (*wctx)->string_validation_replacement);
463 return ret;
464 }
465 }
466 }
467
468 for (i = 0; i < SECTION_MAX_NB_LEVELS; i++)
469 av_bprint_init(&(*wctx)->section_pbuf[i], 1, AV_BPRINT_SIZE_UNLIMITED);
470
471 if ((*wctx)->writer->init)
472 ret = (*wctx)->writer->init(*wctx);
473 if (ret < 0)
474 goto fail;
475
476 return 0;
477
478fail:
479 writer_close(wctx);
480 return ret;
481}
482
483static inline void writer_print_section_header(WriterContext *wctx,
484 int section_id)
485{
486 int parent_section_id;
487 wctx->level++;
488 av_assert0(wctx->level < SECTION_MAX_NB_LEVELS);
489 parent_section_id = wctx->level ?
490 (wctx->section[wctx->level-1])->id : SECTION_ID_NONE;
491
492 wctx->nb_item[wctx->level] = 0;
493 wctx->section[wctx->level] = &wctx->sections[section_id];
494
495 if (section_id == SECTION_ID_PACKETS_AND_FRAMES) {
496 wctx->nb_section_packet = wctx->nb_section_frame =
497 wctx->nb_section_packet_frame = 0;
498 } else if (parent_section_id == SECTION_ID_PACKETS_AND_FRAMES) {
499 wctx->nb_section_packet_frame = section_id == SECTION_ID_PACKET ?
500 wctx->nb_section_packet : wctx->nb_section_frame;
501 }
502
503 if (wctx->writer->print_section_header)
504 wctx->writer->print_section_header(wctx);
505}
506
507static inline void writer_print_section_footer(WriterContext *wctx)
508{
509 int section_id = wctx->section[wctx->level]->id;
510 int parent_section_id = wctx->level ?
511 wctx->section[wctx->level-1]->id : SECTION_ID_NONE;
512
513 if (parent_section_id != SECTION_ID_NONE)
514 wctx->nb_item[wctx->level-1]++;
515 if (parent_section_id == SECTION_ID_PACKETS_AND_FRAMES) {
516 if (section_id == SECTION_ID_PACKET) wctx->nb_section_packet++;
517 else wctx->nb_section_frame++;
518 }
519 if (wctx->writer->print_section_footer)
520 wctx->writer->print_section_footer(wctx);
521 wctx->level--;
522}
523
524static inline void writer_print_integer(WriterContext *wctx,
525 const char *key, long long int val)
526{
527 const struct section *section = wctx->section[wctx->level];
528
529 if (section->show_all_entries || av_dict_get(section->entries_to_show, key, NULL, 0)) {
530 wctx->writer->print_integer(wctx, key, val);
531 wctx->nb_item[wctx->level]++;
532 }
533}
534
535static inline int validate_string(WriterContext *wctx, char **dstp, const char *src)
536{
537 const uint8_t *p, *endp;
538 AVBPrint dstbuf;
539 int invalid_chars_nb = 0, ret = 0;
540
541 av_bprint_init(&dstbuf, 0, AV_BPRINT_SIZE_UNLIMITED);
542
543 endp = src + strlen(src);
544 for (p = (uint8_t *)src; *p;) {
545 uint32_t code;
546 int invalid = 0;
547 const uint8_t *p0 = p;
548
549 if (av_utf8_decode(&code, &p, endp, wctx->string_validation_utf8_flags) < 0) {
550 AVBPrint bp;
551 av_bprint_init(&bp, 0, AV_BPRINT_SIZE_AUTOMATIC);
552 bprint_bytes(&bp, p0, p-p0);
553 av_log(wctx, AV_LOG_DEBUG,
554 "Invalid UTF-8 sequence %s found in string '%s'\n", bp.str, src);
555 invalid = 1;
556 }
557
558 if (invalid) {
559 invalid_chars_nb++;
560
561 switch (wctx->string_validation) {
562 case WRITER_STRING_VALIDATION_FAIL:
563 av_log(wctx, AV_LOG_ERROR,
564 "Invalid UTF-8 sequence found in string '%s'\n", src);
565 ret = AVERROR_INVALIDDATA;
566 goto end;
567 break;
568
569 case WRITER_STRING_VALIDATION_REPLACE:
570 av_bprintf(&dstbuf, "%s", wctx->string_validation_replacement);
571 break;
572 }
573 }
574
575 if (!invalid || wctx->string_validation == WRITER_STRING_VALIDATION_IGNORE)
576 av_bprint_append_data(&dstbuf, p0, p-p0);
577 }
578
579 if (invalid_chars_nb && wctx->string_validation == WRITER_STRING_VALIDATION_REPLACE) {
580 av_log(wctx, AV_LOG_WARNING,
581 "%d invalid UTF-8 sequence(s) found in string '%s', replaced with '%s'\n",
582 invalid_chars_nb, src, wctx->string_validation_replacement);
583 }
584
585end:
586 av_bprint_finalize(&dstbuf, dstp);
587 return ret;
588}
589
590#define PRINT_STRING_OPT 1
591#define PRINT_STRING_VALIDATE 2
592
593static inline int writer_print_string(WriterContext *wctx,
594 const char *key, const char *val, int flags)
595{
596 const struct section *section = wctx->section[wctx->level];
597 int ret = 0;
598
599 if ((flags & PRINT_STRING_OPT)
600 && !(wctx->writer->flags & WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS))
601 return 0;
602
603 if (section->show_all_entries || av_dict_get(section->entries_to_show, key, NULL, 0)) {
604 if (flags & PRINT_STRING_VALIDATE) {
605 char *key1 = NULL, *val1 = NULL;
606 ret = validate_string(wctx, &key1, key);
607 if (ret < 0) goto end;
608 ret = validate_string(wctx, &val1, val);
609 if (ret < 0) goto end;
610 wctx->writer->print_string(wctx, key1, val1);
611 end:
612 if (ret < 0) {
613 av_log(wctx, AV_LOG_ERROR,
614 "Invalid key=value string combination %s=%s in section %s\n",
615 key, val, section->unique_name);
616 }
617 av_free(key1);
618 av_free(val1);
619 } else {
620 wctx->writer->print_string(wctx, key, val);
621 }
622
623 wctx->nb_item[wctx->level]++;
624 }
625
626 return ret;
627}
628
629static inline void writer_print_rational(WriterContext *wctx,
630 const char *key, AVRational q, char sep)
631{
632 AVBPrint buf;
633 av_bprint_init(&buf, 0, AV_BPRINT_SIZE_AUTOMATIC);
634 av_bprintf(&buf, "%d%c%d", q.num, sep, q.den);
635 writer_print_string(wctx, key, buf.str, 0);
636}
637
638static void writer_print_time(WriterContext *wctx, const char *key,
639 int64_t ts, const AVRational *time_base, int is_duration)
640{
641 char buf[128];
642
643 if ((!is_duration && ts == AV_NOPTS_VALUE) || (is_duration && ts == 0)) {
644 writer_print_string(wctx, key, "N/A", PRINT_STRING_OPT);
645 } else {
646 double d = ts * av_q2d(*time_base);
647 struct unit_value uv;
648 uv.val.d = d;
649 uv.unit = unit_second_str;
650 value_string(buf, sizeof(buf), uv);
651 writer_print_string(wctx, key, buf, 0);
652 }
653}
654
655static void writer_print_ts(WriterContext *wctx, const char *key, int64_t ts, int is_duration)
656{
657 if ((!is_duration && ts == AV_NOPTS_VALUE) || (is_duration && ts == 0)) {
658 writer_print_string(wctx, key, "N/A", PRINT_STRING_OPT);
659 } else {
660 writer_print_integer(wctx, key, ts);
661 }
662}
663
664static void writer_print_data(WriterContext *wctx, const char *name,
665 uint8_t *data, int size)
666{
667 AVBPrint bp;
668 int offset = 0, l, i;
669
670 av_bprint_init(&bp, 0, AV_BPRINT_SIZE_UNLIMITED);
671 av_bprintf(&bp, "\n");
672 while (size) {
673 av_bprintf(&bp, "%08x: ", offset);
674 l = FFMIN(size, 16);
675 for (i = 0; i < l; i++) {
676 av_bprintf(&bp, "%02x", data[i]);
677 if (i & 1)
678 av_bprintf(&bp, " ");
679 }
680 av_bprint_chars(&bp, ' ', 41 - 2 * i - i / 2);
681 for (i = 0; i < l; i++)
682 av_bprint_chars(&bp, data[i] - 32U < 95 ? data[i] : '.', 1);
683 av_bprintf(&bp, "\n");
684 offset += l;
685 data += l;
686 size -= l;
687 }
688 writer_print_string(wctx, name, bp.str, 0);
689 av_bprint_finalize(&bp, NULL);
690}
691
692static void writer_print_data_hash(WriterContext *wctx, const char *name,
693 uint8_t *data, int size)
694{
695 char *p, buf[AV_HASH_MAX_SIZE * 2 + 64] = { 0 };
696
697 if (!hash)
698 return;
699 av_hash_init(hash);
700 av_hash_update(hash, data, size);
701 snprintf(buf, sizeof(buf), "%s:", av_hash_get_name(hash));
702 p = buf + strlen(buf);
703 av_hash_final_hex(hash, p, buf + sizeof(buf) - p);
704 writer_print_string(wctx, name, buf, 0);
705}
706
707#define MAX_REGISTERED_WRITERS_NB 64
708
709static const Writer *registered_writers[MAX_REGISTERED_WRITERS_NB + 1];
710
711static int writer_register(const Writer *writer)
712{
713 static int next_registered_writer_idx = 0;
714
715 if (next_registered_writer_idx == MAX_REGISTERED_WRITERS_NB)
716 return AVERROR(ENOMEM);
717
718 registered_writers[next_registered_writer_idx++] = writer;
719 return 0;
720}
721
722static const Writer *writer_get_by_name(const char *name)
723{
724 int i;
725
726 for (i = 0; registered_writers[i]; i++)
727 if (!strcmp(registered_writers[i]->name, name))
728 return registered_writers[i];
729
730 return NULL;
731}
732
733
734/* WRITERS */
735
736#define DEFINE_WRITER_CLASS(name) \
737static const char *name##_get_name(void *ctx) \
738{ \
739 return #name ; \
740} \
741static const AVClass name##_class = { \
742 .class_name = #name, \
743 .item_name = name##_get_name, \
744 .option = name##_options \
745}
746
747/* Default output */
748
749typedef struct DefaultContext {
750 const AVClass *class;
751 int nokey;
752 int noprint_wrappers;
753 int nested_section[SECTION_MAX_NB_LEVELS];
754} DefaultContext;
755
756#undef OFFSET
757#define OFFSET(x) offsetof(DefaultContext, x)
758
759static const AVOption default_options[] = {
760 { "noprint_wrappers", "do not print headers and footers", OFFSET(noprint_wrappers), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
761 { "nw", "do not print headers and footers", OFFSET(noprint_wrappers), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
762 { "nokey", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
763 { "nk", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
764 {NULL},
765};
766
767DEFINE_WRITER_CLASS(default);
768
769/* lame uppercasing routine, assumes the string is lower case ASCII */
770static inline char *upcase_string(char *dst, size_t dst_size, const char *src)
771{
772 int i;
773 for (i = 0; src[i] && i < dst_size-1; i++)
774 dst[i] = av_toupper(src[i]);
775 dst[i] = 0;
776 return dst;
777}
778
779static void default_print_section_header(WriterContext *wctx)
780{
781 DefaultContext *def = wctx->priv;
782 char buf[32];
783 const struct section *section = wctx->section[wctx->level];
784 const struct section *parent_section = wctx->level ?
785 wctx->section[wctx->level-1] : NULL;
786
787 av_bprint_clear(&wctx->section_pbuf[wctx->level]);
788 if (parent_section &&
789 !(parent_section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY))) {
790 def->nested_section[wctx->level] = 1;
791 av_bprintf(&wctx->section_pbuf[wctx->level], "%s%s:",
792 wctx->section_pbuf[wctx->level-1].str,
793 upcase_string(buf, sizeof(buf),
794 av_x_if_null(section->element_name, section->name)));
795 }
796
797 if (def->noprint_wrappers || def->nested_section[wctx->level])
798 return;
799
800 if (!(section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY)))
801 printf("[%s]\n", upcase_string(buf, sizeof(buf), section->name));
802}
803
804static void default_print_section_footer(WriterContext *wctx)
805{
806 DefaultContext *def = wctx->priv;
807 const struct section *section = wctx->section[wctx->level];
808 char buf[32];
809
810 if (def->noprint_wrappers || def->nested_section[wctx->level])
811 return;
812
813 if (!(section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY)))
814 printf("[/%s]\n", upcase_string(buf, sizeof(buf), section->name));
815}
816
817static void default_print_str(WriterContext *wctx, const char *key, const char *value)
818{
819 DefaultContext *def = wctx->priv;
820
821 if (!def->nokey)
822 printf("%s%s=", wctx->section_pbuf[wctx->level].str, key);
823 printf("%s\n", value);
824}
825
826static void default_print_int(WriterContext *wctx, const char *key, long long int value)
827{
828 DefaultContext *def = wctx->priv;
829
830 if (!def->nokey)
831 printf("%s%s=", wctx->section_pbuf[wctx->level].str, key);
832 printf("%lld\n", value);
833}
834
835static const Writer default_writer = {
836 .name = "default",
837 .priv_size = sizeof(DefaultContext),
838 .print_section_header = default_print_section_header,
839 .print_section_footer = default_print_section_footer,
840 .print_integer = default_print_int,
841 .print_string = default_print_str,
842 .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS,
843 .priv_class = &default_class,
844};
845
846/* Compact output */
847
848/**
849 * Apply C-language-like string escaping.
850 */
851static const char *c_escape_str(AVBPrint *dst, const char *src, const char sep, void *log_ctx)
852{
853 const char *p;
854
855 for (p = src; *p; p++) {
856 switch (*p) {
857 case '\b': av_bprintf(dst, "%s", "\\b"); break;
858 case '\f': av_bprintf(dst, "%s", "\\f"); break;
859 case '\n': av_bprintf(dst, "%s", "\\n"); break;
860 case '\r': av_bprintf(dst, "%s", "\\r"); break;
861 case '\\': av_bprintf(dst, "%s", "\\\\"); break;
862 default:
863 if (*p == sep)
864 av_bprint_chars(dst, '\\', 1);
865 av_bprint_chars(dst, *p, 1);
866 }
867 }
868 return dst->str;
869}
870
871/**
872 * Quote fields containing special characters, check RFC4180.
873 */
874static const char *csv_escape_str(AVBPrint *dst, const char *src, const char sep, void *log_ctx)
875{
876 char meta_chars[] = { sep, '"', '\n', '\r', '\0' };
877 int needs_quoting = !!src[strcspn(src, meta_chars)];
878
879 if (needs_quoting)
880 av_bprint_chars(dst, '"', 1);
881
882 for (; *src; src++) {
883 if (*src == '"')
884 av_bprint_chars(dst, '"', 1);
885 av_bprint_chars(dst, *src, 1);
886 }
887 if (needs_quoting)
888 av_bprint_chars(dst, '"', 1);
889 return dst->str;
890}
891
892static const char *none_escape_str(AVBPrint *dst, const char *src, const char sep, void *log_ctx)
893{
894 return src;
895}
896
897typedef struct CompactContext {
898 const AVClass *class;
899 char *item_sep_str;
900 char item_sep;
901 int nokey;
902 int print_section;
903 char *escape_mode_str;
904 const char * (*escape_str)(AVBPrint *dst, const char *src, const char sep, void *log_ctx);
905 int nested_section[SECTION_MAX_NB_LEVELS];
906 int has_nested_elems[SECTION_MAX_NB_LEVELS];
907 int terminate_line[SECTION_MAX_NB_LEVELS];
908} CompactContext;
909
910#undef OFFSET
911#define OFFSET(x) offsetof(CompactContext, x)
912
913static const AVOption compact_options[]= {
914 {"item_sep", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str="|"}, CHAR_MIN, CHAR_MAX },
915 {"s", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str="|"}, CHAR_MIN, CHAR_MAX },
916 {"nokey", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
917 {"nk", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
918 {"escape", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="c"}, CHAR_MIN, CHAR_MAX },
919 {"e", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="c"}, CHAR_MIN, CHAR_MAX },
920 {"print_section", "print section name", OFFSET(print_section), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
921 {"p", "print section name", OFFSET(print_section), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
922 {NULL},
923};
924
925DEFINE_WRITER_CLASS(compact);
926
927static av_cold int compact_init(WriterContext *wctx)
928{
929 CompactContext *compact = wctx->priv;
930
931 if (strlen(compact->item_sep_str) != 1) {
932 av_log(wctx, AV_LOG_ERROR, "Item separator '%s' specified, but must contain a single character\n",
933 compact->item_sep_str);
934 return AVERROR(EINVAL);
935 }
936 compact->item_sep = compact->item_sep_str[0];
937
938 if (!strcmp(compact->escape_mode_str, "none")) compact->escape_str = none_escape_str;
939 else if (!strcmp(compact->escape_mode_str, "c" )) compact->escape_str = c_escape_str;
940 else if (!strcmp(compact->escape_mode_str, "csv" )) compact->escape_str = csv_escape_str;
941 else {
942 av_log(wctx, AV_LOG_ERROR, "Unknown escape mode '%s'\n", compact->escape_mode_str);
943 return AVERROR(EINVAL);
944 }
945
946 return 0;
947}
948
949static void compact_print_section_header(WriterContext *wctx)
950{
951 CompactContext *compact = wctx->priv;
952 const struct section *section = wctx->section[wctx->level];
953 const struct section *parent_section = wctx->level ?
954 wctx->section[wctx->level-1] : NULL;
955 compact->terminate_line[wctx->level] = 1;
956 compact->has_nested_elems[wctx->level] = 0;
957
958 av_bprint_clear(&wctx->section_pbuf[wctx->level]);
959 if (!(section->flags & SECTION_FLAG_IS_ARRAY) && parent_section &&
960 !(parent_section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY))) {
961 compact->nested_section[wctx->level] = 1;
962 compact->has_nested_elems[wctx->level-1] = 1;
963 av_bprintf(&wctx->section_pbuf[wctx->level], "%s%s:",
964 wctx->section_pbuf[wctx->level-1].str,
965 (char *)av_x_if_null(section->element_name, section->name));
966 wctx->nb_item[wctx->level] = wctx->nb_item[wctx->level-1];
967 } else {
968 if (parent_section && compact->has_nested_elems[wctx->level-1] &&
969 (section->flags & SECTION_FLAG_IS_ARRAY)) {
970 compact->terminate_line[wctx->level-1] = 0;
971 printf("\n");
972 }
973 if (compact->print_section &&
974 !(section->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY)))
975 printf("%s%c", section->name, compact->item_sep);
976 }
977}
978
979static void compact_print_section_footer(WriterContext *wctx)
980{
981 CompactContext *compact = wctx->priv;
982
983 if (!compact->nested_section[wctx->level] &&
984 compact->terminate_line[wctx->level] &&
985 !(wctx->section[wctx->level]->flags & (SECTION_FLAG_IS_WRAPPER|SECTION_FLAG_IS_ARRAY)))
986 printf("\n");
987}
988
989static void compact_print_str(WriterContext *wctx, const char *key, const char *value)
990{
991 CompactContext *compact = wctx->priv;
992 AVBPrint buf;
993
994 if (wctx->nb_item[wctx->level]) printf("%c", compact->item_sep);
995 if (!compact->nokey)
996 printf("%s%s=", wctx->section_pbuf[wctx->level].str, key);
997 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
998 printf("%s", compact->escape_str(&buf, value, compact->item_sep, wctx));
999 av_bprint_finalize(&buf, NULL);
1000}
1001
1002static void compact_print_int(WriterContext *wctx, const char *key, long long int value)
1003{
1004 CompactContext *compact = wctx->priv;
1005
1006 if (wctx->nb_item[wctx->level]) printf("%c", compact->item_sep);
1007 if (!compact->nokey)
1008 printf("%s%s=", wctx->section_pbuf[wctx->level].str, key);
1009 printf("%lld", value);
1010}
1011
1012static const Writer compact_writer = {
1013 .name = "compact",
1014 .priv_size = sizeof(CompactContext),
1015 .init = compact_init,
1016 .print_section_header = compact_print_section_header,
1017 .print_section_footer = compact_print_section_footer,
1018 .print_integer = compact_print_int,
1019 .print_string = compact_print_str,
1020 .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS,
1021 .priv_class = &compact_class,
1022};
1023
1024/* CSV output */
1025
1026#undef OFFSET
1027#define OFFSET(x) offsetof(CompactContext, x)
1028
1029static const AVOption csv_options[] = {
1030 {"item_sep", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str=","}, CHAR_MIN, CHAR_MAX },
1031 {"s", "set item separator", OFFSET(item_sep_str), AV_OPT_TYPE_STRING, {.str=","}, CHAR_MIN, CHAR_MAX },
1032 {"nokey", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
1033 {"nk", "force no key printing", OFFSET(nokey), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
1034 {"escape", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="csv"}, CHAR_MIN, CHAR_MAX },
1035 {"e", "set escape mode", OFFSET(escape_mode_str), AV_OPT_TYPE_STRING, {.str="csv"}, CHAR_MIN, CHAR_MAX },
1036 {"print_section", "print section name", OFFSET(print_section), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
1037 {"p", "print section name", OFFSET(print_section), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
1038 {NULL},
1039};
1040
1041DEFINE_WRITER_CLASS(csv);
1042
1043static const Writer csv_writer = {
1044 .name = "csv",
1045 .priv_size = sizeof(CompactContext),
1046 .init = compact_init,
1047 .print_section_header = compact_print_section_header,
1048 .print_section_footer = compact_print_section_footer,
1049 .print_integer = compact_print_int,
1050 .print_string = compact_print_str,
1051 .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS,
1052 .priv_class = &csv_class,
1053};
1054
1055/* Flat output */
1056
1057typedef struct FlatContext {
1058 const AVClass *class;
1059 const char *sep_str;
1060 char sep;
1061 int hierarchical;
1062} FlatContext;
1063
1064#undef OFFSET
1065#define OFFSET(x) offsetof(FlatContext, x)
1066
1067static const AVOption flat_options[]= {
1068 {"sep_char", "set separator", OFFSET(sep_str), AV_OPT_TYPE_STRING, {.str="."}, CHAR_MIN, CHAR_MAX },
1069 {"s", "set separator", OFFSET(sep_str), AV_OPT_TYPE_STRING, {.str="."}, CHAR_MIN, CHAR_MAX },
1070 {"hierarchical", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
1071 {"h", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
1072 {NULL},
1073};
1074
1075DEFINE_WRITER_CLASS(flat);
1076
1077static av_cold int flat_init(WriterContext *wctx)
1078{
1079 FlatContext *flat = wctx->priv;
1080
1081 if (strlen(flat->sep_str) != 1) {
1082 av_log(wctx, AV_LOG_ERROR, "Item separator '%s' specified, but must contain a single character\n",
1083 flat->sep_str);
1084 return AVERROR(EINVAL);
1085 }
1086 flat->sep = flat->sep_str[0];
1087
1088 return 0;
1089}
1090
1091static const char *flat_escape_key_str(AVBPrint *dst, const char *src, const char sep)
1092{
1093 const char *p;
1094
1095 for (p = src; *p; p++) {
1096 if (!((*p >= '0' && *p <= '9') ||
1097 (*p >= 'a' && *p <= 'z') ||
1098 (*p >= 'A' && *p <= 'Z')))
1099 av_bprint_chars(dst, '_', 1);
1100 else
1101 av_bprint_chars(dst, *p, 1);
1102 }
1103 return dst->str;
1104}
1105
1106static const char *flat_escape_value_str(AVBPrint *dst, const char *src)
1107{
1108 const char *p;
1109
1110 for (p = src; *p; p++) {
1111 switch (*p) {
1112 case '\n': av_bprintf(dst, "%s", "\\n"); break;
1113 case '\r': av_bprintf(dst, "%s", "\\r"); break;
1114 case '\\': av_bprintf(dst, "%s", "\\\\"); break;
1115 case '"': av_bprintf(dst, "%s", "\\\""); break;
1116 case '`': av_bprintf(dst, "%s", "\\`"); break;
1117 case '$': av_bprintf(dst, "%s", "\\$"); break;
1118 default: av_bprint_chars(dst, *p, 1); break;
1119 }
1120 }
1121 return dst->str;
1122}
1123
1124static void flat_print_section_header(WriterContext *wctx)
1125{
1126 FlatContext *flat = wctx->priv;
1127 AVBPrint *buf = &wctx->section_pbuf[wctx->level];
1128 const struct section *section = wctx->section[wctx->level];
1129 const struct section *parent_section = wctx->level ?
1130 wctx->section[wctx->level-1] : NULL;
1131
1132 /* build section header */
1133 av_bprint_clear(buf);
1134 if (!parent_section)
1135 return;
1136 av_bprintf(buf, "%s", wctx->section_pbuf[wctx->level-1].str);
1137
1138 if (flat->hierarchical ||
1139 !(section->flags & (SECTION_FLAG_IS_ARRAY|SECTION_FLAG_IS_WRAPPER))) {
1140 av_bprintf(buf, "%s%s", wctx->section[wctx->level]->name, flat->sep_str);
1141
1142 if (parent_section->flags & SECTION_FLAG_IS_ARRAY) {
1143 int n = parent_section->id == SECTION_ID_PACKETS_AND_FRAMES ?
1144 wctx->nb_section_packet_frame : wctx->nb_item[wctx->level-1];
1145 av_bprintf(buf, "%d%s", n, flat->sep_str);
1146 }
1147 }
1148}
1149
1150static void flat_print_int(WriterContext *wctx, const char *key, long long int value)
1151{
1152 printf("%s%s=%lld\n", wctx->section_pbuf[wctx->level].str, key, value);
1153}
1154
1155static void flat_print_str(WriterContext *wctx, const char *key, const char *value)
1156{
1157 FlatContext *flat = wctx->priv;
1158 AVBPrint buf;
1159
1160 printf("%s", wctx->section_pbuf[wctx->level].str);
1161 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1162 printf("%s=", flat_escape_key_str(&buf, key, flat->sep));
1163 av_bprint_clear(&buf);
1164 printf("\"%s\"\n", flat_escape_value_str(&buf, value));
1165 av_bprint_finalize(&buf, NULL);
1166}
1167
1168static const Writer flat_writer = {
1169 .name = "flat",
1170 .priv_size = sizeof(FlatContext),
1171 .init = flat_init,
1172 .print_section_header = flat_print_section_header,
1173 .print_integer = flat_print_int,
1174 .print_string = flat_print_str,
1175 .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS|WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,
1176 .priv_class = &flat_class,
1177};
1178
1179/* INI format output */
1180
1181typedef struct {
1182 const AVClass *class;
1183 int hierarchical;
1184} INIContext;
1185
1186#undef OFFSET
1187#define OFFSET(x) offsetof(INIContext, x)
1188
1189static const AVOption ini_options[] = {
1190 {"hierarchical", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
1191 {"h", "specify if the section specification should be hierarchical", OFFSET(hierarchical), AV_OPT_TYPE_INT, {.i64=1}, 0, 1 },
1192 {NULL},
1193};
1194
1195DEFINE_WRITER_CLASS(ini);
1196
1197static char *ini_escape_str(AVBPrint *dst, const char *src)
1198{
1199 int i = 0;
1200 char c = 0;
1201
1202 while (c = src[i++]) {
1203 switch (c) {
1204 case '\b': av_bprintf(dst, "%s", "\\b"); break;
1205 case '\f': av_bprintf(dst, "%s", "\\f"); break;
1206 case '\n': av_bprintf(dst, "%s", "\\n"); break;
1207 case '\r': av_bprintf(dst, "%s", "\\r"); break;
1208 case '\t': av_bprintf(dst, "%s", "\\t"); break;
1209 case '\\':
1210 case '#' :
1211 case '=' :
1212 case ':' : av_bprint_chars(dst, '\\', 1);
1213 default:
1214 if ((unsigned char)c < 32)
1215 av_bprintf(dst, "\\x00%02x", c & 0xff);
1216 else
1217 av_bprint_chars(dst, c, 1);
1218 break;
1219 }
1220 }
1221 return dst->str;
1222}
1223
1224static void ini_print_section_header(WriterContext *wctx)
1225{
1226 INIContext *ini = wctx->priv;
1227 AVBPrint *buf = &wctx->section_pbuf[wctx->level];
1228 const struct section *section = wctx->section[wctx->level];
1229 const struct section *parent_section = wctx->level ?
1230 wctx->section[wctx->level-1] : NULL;
1231
1232 av_bprint_clear(buf);
1233 if (!parent_section) {
1234 printf("# ffprobe output\n\n");
1235 return;
1236 }
1237
1238 if (wctx->nb_item[wctx->level-1])
1239 printf("\n");
1240
1241 av_bprintf(buf, "%s", wctx->section_pbuf[wctx->level-1].str);
1242 if (ini->hierarchical ||
1243 !(section->flags & (SECTION_FLAG_IS_ARRAY|SECTION_FLAG_IS_WRAPPER))) {
1244 av_bprintf(buf, "%s%s", buf->str[0] ? "." : "", wctx->section[wctx->level]->name);
1245
1246 if (parent_section->flags & SECTION_FLAG_IS_ARRAY) {
1247 int n = parent_section->id == SECTION_ID_PACKETS_AND_FRAMES ?
1248 wctx->nb_section_packet_frame : wctx->nb_item[wctx->level-1];
1249 av_bprintf(buf, ".%d", n);
1250 }
1251 }
1252
1253 if (!(section->flags & (SECTION_FLAG_IS_ARRAY|SECTION_FLAG_IS_WRAPPER)))
1254 printf("[%s]\n", buf->str);
1255}
1256
1257static void ini_print_str(WriterContext *wctx, const char *key, const char *value)
1258{
1259 AVBPrint buf;
1260
1261 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1262 printf("%s=", ini_escape_str(&buf, key));
1263 av_bprint_clear(&buf);
1264 printf("%s\n", ini_escape_str(&buf, value));
1265 av_bprint_finalize(&buf, NULL);
1266}
1267
1268static void ini_print_int(WriterContext *wctx, const char *key, long long int value)
1269{
1270 printf("%s=%lld\n", key, value);
1271}
1272
1273static const Writer ini_writer = {
1274 .name = "ini",
1275 .priv_size = sizeof(INIContext),
1276 .print_section_header = ini_print_section_header,
1277 .print_integer = ini_print_int,
1278 .print_string = ini_print_str,
1279 .flags = WRITER_FLAG_DISPLAY_OPTIONAL_FIELDS|WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,
1280 .priv_class = &ini_class,
1281};
1282
1283/* JSON output */
1284
1285typedef struct {
1286 const AVClass *class;
1287 int indent_level;
1288 int compact;
1289 const char *item_sep, *item_start_end;
1290} JSONContext;
1291
1292#undef OFFSET
1293#define OFFSET(x) offsetof(JSONContext, x)
1294
1295static const AVOption json_options[]= {
1296 { "compact", "enable compact output", OFFSET(compact), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
1297 { "c", "enable compact output", OFFSET(compact), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
1298 { NULL }
1299};
1300
1301DEFINE_WRITER_CLASS(json);
1302
1303static av_cold int json_init(WriterContext *wctx)
1304{
1305 JSONContext *json = wctx->priv;
1306
1307 json->item_sep = json->compact ? ", " : ",\n";
1308 json->item_start_end = json->compact ? " " : "\n";
1309
1310 return 0;
1311}
1312
1313static const char *json_escape_str(AVBPrint *dst, const char *src, void *log_ctx)
1314{
1315 static const char json_escape[] = {'"', '\\', '\b', '\f', '\n', '\r', '\t', 0};
1316 static const char json_subst[] = {'"', '\\', 'b', 'f', 'n', 'r', 't', 0};
1317 const char *p;
1318
1319 for (p = src; *p; p++) {
1320 char *s = strchr(json_escape, *p);
1321 if (s) {
1322 av_bprint_chars(dst, '\\', 1);
1323 av_bprint_chars(dst, json_subst[s - json_escape], 1);
1324 } else if ((unsigned char)*p < 32) {
1325 av_bprintf(dst, "\\u00%02x", *p & 0xff);
1326 } else {
1327 av_bprint_chars(dst, *p, 1);
1328 }
1329 }
1330 return dst->str;
1331}
1332
1333#define JSON_INDENT() printf("%*c", json->indent_level * 4, ' ')
1334
1335static void json_print_section_header(WriterContext *wctx)
1336{
1337 JSONContext *json = wctx->priv;
1338 AVBPrint buf;
1339 const struct section *section = wctx->section[wctx->level];
1340 const struct section *parent_section = wctx->level ?
1341 wctx->section[wctx->level-1] : NULL;
1342
1343 if (wctx->level && wctx->nb_item[wctx->level-1])
1344 printf(",\n");
1345
1346 if (section->flags & SECTION_FLAG_IS_WRAPPER) {
1347 printf("{\n");
1348 json->indent_level++;
1349 } else {
1350 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1351 json_escape_str(&buf, section->name, wctx);
1352 JSON_INDENT();
1353
1354 json->indent_level++;
1355 if (section->flags & SECTION_FLAG_IS_ARRAY) {
1356 printf("\"%s\": [\n", buf.str);
1357 } else if (parent_section && !(parent_section->flags & SECTION_FLAG_IS_ARRAY)) {
1358 printf("\"%s\": {%s", buf.str, json->item_start_end);
1359 } else {
1360 printf("{%s", json->item_start_end);
1361
1362 /* this is required so the parser can distinguish between packets and frames */
1363 if (parent_section && parent_section->id == SECTION_ID_PACKETS_AND_FRAMES) {
1364 if (!json->compact)
1365 JSON_INDENT();
1366 printf("\"type\": \"%s\"%s", section->name, json->item_sep);
1367 }
1368 }
1369 av_bprint_finalize(&buf, NULL);
1370 }
1371}
1372
1373static void json_print_section_footer(WriterContext *wctx)
1374{
1375 JSONContext *json = wctx->priv;
1376 const struct section *section = wctx->section[wctx->level];
1377
1378 if (wctx->level == 0) {
1379 json->indent_level--;
1380 printf("\n}\n");
1381 } else if (section->flags & SECTION_FLAG_IS_ARRAY) {
1382 printf("\n");
1383 json->indent_level--;
1384 JSON_INDENT();
1385 printf("]");
1386 } else {
1387 printf("%s", json->item_start_end);
1388 json->indent_level--;
1389 if (!json->compact)
1390 JSON_INDENT();
1391 printf("}");
1392 }
1393}
1394
1395static inline void json_print_item_str(WriterContext *wctx,
1396 const char *key, const char *value)
1397{
1398 AVBPrint buf;
1399
1400 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1401 printf("\"%s\":", json_escape_str(&buf, key, wctx));
1402 av_bprint_clear(&buf);
1403 printf(" \"%s\"", json_escape_str(&buf, value, wctx));
1404 av_bprint_finalize(&buf, NULL);
1405}
1406
1407static void json_print_str(WriterContext *wctx, const char *key, const char *value)
1408{
1409 JSONContext *json = wctx->priv;
1410
1411 if (wctx->nb_item[wctx->level])
1412 printf("%s", json->item_sep);
1413 if (!json->compact)
1414 JSON_INDENT();
1415 json_print_item_str(wctx, key, value);
1416}
1417
1418static void json_print_int(WriterContext *wctx, const char *key, long long int value)
1419{
1420 JSONContext *json = wctx->priv;
1421 AVBPrint buf;
1422
1423 if (wctx->nb_item[wctx->level])
1424 printf("%s", json->item_sep);
1425 if (!json->compact)
1426 JSON_INDENT();
1427
1428 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1429 printf("\"%s\": %lld", json_escape_str(&buf, key, wctx), value);
1430 av_bprint_finalize(&buf, NULL);
1431}
1432
1433static const Writer json_writer = {
1434 .name = "json",
1435 .priv_size = sizeof(JSONContext),
1436 .init = json_init,
1437 .print_section_header = json_print_section_header,
1438 .print_section_footer = json_print_section_footer,
1439 .print_integer = json_print_int,
1440 .print_string = json_print_str,
1441 .flags = WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,
1442 .priv_class = &json_class,
1443};
1444
1445/* XML output */
1446
1447typedef struct {
1448 const AVClass *class;
1449 int within_tag;
1450 int indent_level;
1451 int fully_qualified;
1452 int xsd_strict;
1453} XMLContext;
1454
1455#undef OFFSET
1456#define OFFSET(x) offsetof(XMLContext, x)
1457
1458static const AVOption xml_options[] = {
1459 {"fully_qualified", "specify if the output should be fully qualified", OFFSET(fully_qualified), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
1460 {"q", "specify if the output should be fully qualified", OFFSET(fully_qualified), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
1461 {"xsd_strict", "ensure that the output is XSD compliant", OFFSET(xsd_strict), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
1462 {"x", "ensure that the output is XSD compliant", OFFSET(xsd_strict), AV_OPT_TYPE_INT, {.i64=0}, 0, 1 },
1463 {NULL},
1464};
1465
1466DEFINE_WRITER_CLASS(xml);
1467
1468static av_cold int xml_init(WriterContext *wctx)
1469{
1470 XMLContext *xml = wctx->priv;
1471
1472 if (xml->xsd_strict) {
1473 xml->fully_qualified = 1;
1474#define CHECK_COMPLIANCE(opt, opt_name) \
1475 if (opt) { \
1476 av_log(wctx, AV_LOG_ERROR, \
1477 "XSD-compliant output selected but option '%s' was selected, XML output may be non-compliant.\n" \
1478 "You need to disable such option with '-no%s'\n", opt_name, opt_name); \
1479 return AVERROR(EINVAL); \
1480 }
1481 CHECK_COMPLIANCE(show_private_data, "private");
1482 CHECK_COMPLIANCE(show_value_unit, "unit");
1483 CHECK_COMPLIANCE(use_value_prefix, "prefix");
1484
1485 if (do_show_frames && do_show_packets) {
1486 av_log(wctx, AV_LOG_ERROR,
1487 "Interleaved frames and packets are not allowed in XSD. "
1488 "Select only one between the -show_frames and the -show_packets options.\n");
1489 return AVERROR(EINVAL);
1490 }
1491 }
1492
1493 return 0;
1494}
1495
1496static const char *xml_escape_str(AVBPrint *dst, const char *src, void *log_ctx)
1497{
1498 const char *p;
1499
1500 for (p = src; *p; p++) {
1501 switch (*p) {
1502 case '&' : av_bprintf(dst, "%s", "&amp;"); break;
1503 case '<' : av_bprintf(dst, "%s", "&lt;"); break;
1504 case '>' : av_bprintf(dst, "%s", "&gt;"); break;
1505 case '"' : av_bprintf(dst, "%s", "&quot;"); break;
1506 case '\'': av_bprintf(dst, "%s", "&apos;"); break;
1507 default: av_bprint_chars(dst, *p, 1);
1508 }
1509 }
1510
1511 return dst->str;
1512}
1513
1514#define XML_INDENT() printf("%*c", xml->indent_level * 4, ' ')
1515
1516static void xml_print_section_header(WriterContext *wctx)
1517{
1518 XMLContext *xml = wctx->priv;
1519 const struct section *section = wctx->section[wctx->level];
1520 const struct section *parent_section = wctx->level ?
1521 wctx->section[wctx->level-1] : NULL;
1522
1523 if (wctx->level == 0) {
1524 const char *qual = " xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' "
1525 "xmlns:ffprobe='http://www.ffmpeg.org/schema/ffprobe' "
1526 "xsi:schemaLocation='http://www.ffmpeg.org/schema/ffprobe ffprobe.xsd'";
1527
1528 printf("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");
1529 printf("<%sffprobe%s>\n",
1530 xml->fully_qualified ? "ffprobe:" : "",
1531 xml->fully_qualified ? qual : "");
1532 return;
1533 }
1534
1535 if (xml->within_tag) {
1536 xml->within_tag = 0;
1537 printf(">\n");
1538 }
1539 if (section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS) {
1540 xml->indent_level++;
1541 } else {
1542 if (parent_section && (parent_section->flags & SECTION_FLAG_IS_WRAPPER) &&
1543 wctx->level && wctx->nb_item[wctx->level-1])
1544 printf("\n");
1545 xml->indent_level++;
1546
1547 if (section->flags & SECTION_FLAG_IS_ARRAY) {
1548 XML_INDENT(); printf("<%s>\n", section->name);
1549 } else {
1550 XML_INDENT(); printf("<%s ", section->name);
1551 xml->within_tag = 1;
1552 }
1553 }
1554}
1555
1556static void xml_print_section_footer(WriterContext *wctx)
1557{
1558 XMLContext *xml = wctx->priv;
1559 const struct section *section = wctx->section[wctx->level];
1560
1561 if (wctx->level == 0) {
1562 printf("</%sffprobe>\n", xml->fully_qualified ? "ffprobe:" : "");
1563 } else if (xml->within_tag) {
1564 xml->within_tag = 0;
1565 printf("/>\n");
1566 xml->indent_level--;
1567 } else if (section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS) {
1568 xml->indent_level--;
1569 } else {
1570 XML_INDENT(); printf("</%s>\n", section->name);
1571 xml->indent_level--;
1572 }
1573}
1574
1575static void xml_print_str(WriterContext *wctx, const char *key, const char *value)
1576{
1577 AVBPrint buf;
1578 XMLContext *xml = wctx->priv;
1579 const struct section *section = wctx->section[wctx->level];
1580
1581 av_bprint_init(&buf, 1, AV_BPRINT_SIZE_UNLIMITED);
1582
1583 if (section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS) {
1584 XML_INDENT();
1585 printf("<%s key=\"%s\"",
1586 section->element_name, xml_escape_str(&buf, key, wctx));
1587 av_bprint_clear(&buf);
1588 printf(" value=\"%s\"/>\n", xml_escape_str(&buf, value, wctx));
1589 } else {
1590 if (wctx->nb_item[wctx->level])
1591 printf(" ");
1592 printf("%s=\"%s\"", key, xml_escape_str(&buf, value, wctx));
1593 }
1594
1595 av_bprint_finalize(&buf, NULL);
1596}
1597
1598static void xml_print_int(WriterContext *wctx, const char *key, long long int value)
1599{
1600 if (wctx->nb_item[wctx->level])
1601 printf(" ");
1602 printf("%s=\"%lld\"", key, value);
1603}
1604
1605static Writer xml_writer = {
1606 .name = "xml",
1607 .priv_size = sizeof(XMLContext),
1608 .init = xml_init,
1609 .print_section_header = xml_print_section_header,
1610 .print_section_footer = xml_print_section_footer,
1611 .print_integer = xml_print_int,
1612 .print_string = xml_print_str,
1613 .flags = WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER,
1614 .priv_class = &xml_class,
1615};
1616
1617static void writer_register_all(void)
1618{
1619 static int initialized;
1620
1621 if (initialized)
1622 return;
1623 initialized = 1;
1624
1625 writer_register(&default_writer);
1626 writer_register(&compact_writer);
1627 writer_register(&csv_writer);
1628 writer_register(&flat_writer);
1629 writer_register(&ini_writer);
1630 writer_register(&json_writer);
1631 writer_register(&xml_writer);
1632}
1633
1634#define print_fmt(k, f, ...) do { \
1635 av_bprint_clear(&pbuf); \
1636 av_bprintf(&pbuf, f, __VA_ARGS__); \
1637 writer_print_string(w, k, pbuf.str, 0); \
1638} while (0)
1639
1640#define print_int(k, v) writer_print_integer(w, k, v)
1641#define print_q(k, v, s) writer_print_rational(w, k, v, s)
1642#define print_str(k, v) writer_print_string(w, k, v, 0)
1643#define print_str_opt(k, v) writer_print_string(w, k, v, PRINT_STRING_OPT)
1644#define print_str_validate(k, v) writer_print_string(w, k, v, PRINT_STRING_VALIDATE)
1645#define print_time(k, v, tb) writer_print_time(w, k, v, tb, 0)
1646#define print_ts(k, v) writer_print_ts(w, k, v, 0)
1647#define print_duration_time(k, v, tb) writer_print_time(w, k, v, tb, 1)
1648#define print_duration_ts(k, v) writer_print_ts(w, k, v, 1)
1649#define print_val(k, v, u) do { \
1650 struct unit_value uv; \
1651 uv.val.i = v; \
1652 uv.unit = u; \
1653 writer_print_string(w, k, value_string(val_str, sizeof(val_str), uv), 0); \
1654} while (0)
1655
1656#define print_section_header(s) writer_print_section_header(w, s)
1657#define print_section_footer(s) writer_print_section_footer(w, s)
1658
1659#define REALLOCZ_ARRAY_STREAM(ptr, cur_n, new_n) \
1660{ \
1661 ret = av_reallocp_array(&(ptr), (new_n), sizeof(*(ptr))); \
1662 if (ret < 0) \
1663 goto end; \
1664 memset( (ptr) + (cur_n), 0, ((new_n) - (cur_n)) * sizeof(*(ptr)) ); \
1665}
1666
1667static inline int show_tags(WriterContext *w, AVDictionary *tags, int section_id)
1668{
1669 AVDictionaryEntry *tag = NULL;
1670 int ret = 0;
1671
1672 if (!tags)
1673 return 0;
1674 writer_print_section_header(w, section_id);
1675
1676 while ((tag = av_dict_get(tags, "", tag, AV_DICT_IGNORE_SUFFIX))) {
1677 if ((ret = print_str_validate(tag->key, tag->value)) < 0)
1678 break;
1679 }
1680 writer_print_section_footer(w);
1681
1682 return ret;
1683}
1684
1685static void show_packet(WriterContext *w, AVFormatContext *fmt_ctx, AVPacket *pkt, int packet_idx)
1686{
1687 char val_str[128];
1688 AVStream *st = fmt_ctx->streams[pkt->stream_index];
1689 AVBPrint pbuf;
1690 const char *s;
1691
1692 av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
1693
1694 writer_print_section_header(w, SECTION_ID_PACKET);
1695
1696 s = av_get_media_type_string(st->codec->codec_type);
1697 if (s) print_str ("codec_type", s);
1698 else print_str_opt("codec_type", "unknown");
1699 print_int("stream_index", pkt->stream_index);
1700 print_ts ("pts", pkt->pts);
1701 print_time("pts_time", pkt->pts, &st->time_base);
1702 print_ts ("dts", pkt->dts);
1703 print_time("dts_time", pkt->dts, &st->time_base);
1704 print_duration_ts("duration", pkt->duration);
1705 print_duration_time("duration_time", pkt->duration, &st->time_base);
1706 print_duration_ts("convergence_duration", pkt->convergence_duration);
1707 print_duration_time("convergence_duration_time", pkt->convergence_duration, &st->time_base);
1708 print_val("size", pkt->size, unit_byte_str);
1709 if (pkt->pos != -1) print_fmt ("pos", "%"PRId64, pkt->pos);
1710 else print_str_opt("pos", "N/A");
1711 print_fmt("flags", "%c", pkt->flags & AV_PKT_FLAG_KEY ? 'K' : '_');
1712 if (do_show_data)
1713 writer_print_data(w, "data", pkt->data, pkt->size);
1714 writer_print_data_hash(w, "data_hash", pkt->data, pkt->size);
1715 writer_print_section_footer(w);
1716
1717 av_bprint_finalize(&pbuf, NULL);
1718 fflush(stdout);
1719}
1720
1721static void show_subtitle(WriterContext *w, AVSubtitle *sub, AVStream *stream,
1722 AVFormatContext *fmt_ctx)
1723{
1724 AVBPrint pbuf;
1725
1726 av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
1727
1728 writer_print_section_header(w, SECTION_ID_SUBTITLE);
1729
1730 print_str ("media_type", "subtitle");
1731 print_ts ("pts", sub->pts);
1732 print_time("pts_time", sub->pts, &AV_TIME_BASE_Q);
1733 print_int ("format", sub->format);
1734 print_int ("start_display_time", sub->start_display_time);
1735 print_int ("end_display_time", sub->end_display_time);
1736 print_int ("num_rects", sub->num_rects);
1737
1738 writer_print_section_footer(w);
1739
1740 av_bprint_finalize(&pbuf, NULL);
1741 fflush(stdout);
1742}
1743
1744static void show_frame(WriterContext *w, AVFrame *frame, AVStream *stream,
1745 AVFormatContext *fmt_ctx)
1746{
1747 AVBPrint pbuf;
1748 const char *s;
1749 int i;
1750
1751 av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
1752
1753 writer_print_section_header(w, SECTION_ID_FRAME);
1754
1755 s = av_get_media_type_string(stream->codec->codec_type);
1756 if (s) print_str ("media_type", s);
1757 else print_str_opt("media_type", "unknown");
1758 print_int("key_frame", frame->key_frame);
1759 print_ts ("pkt_pts", frame->pkt_pts);
1760 print_time("pkt_pts_time", frame->pkt_pts, &stream->time_base);
1761 print_ts ("pkt_dts", frame->pkt_dts);
1762 print_time("pkt_dts_time", frame->pkt_dts, &stream->time_base);
1763 print_ts ("best_effort_timestamp", av_frame_get_best_effort_timestamp(frame));
1764 print_time("best_effort_timestamp_time", av_frame_get_best_effort_timestamp(frame), &stream->time_base);
1765 print_duration_ts ("pkt_duration", av_frame_get_pkt_duration(frame));
1766 print_duration_time("pkt_duration_time", av_frame_get_pkt_duration(frame), &stream->time_base);
1767 if (av_frame_get_pkt_pos (frame) != -1) print_fmt ("pkt_pos", "%"PRId64, av_frame_get_pkt_pos(frame));
1768 else print_str_opt("pkt_pos", "N/A");
1769 if (av_frame_get_pkt_size(frame) != -1) print_fmt ("pkt_size", "%d", av_frame_get_pkt_size(frame));
1770 else print_str_opt("pkt_size", "N/A");
1771
1772 switch (stream->codec->codec_type) {
1773 AVRational sar;
1774
1775 case AVMEDIA_TYPE_VIDEO:
1776 print_int("width", frame->width);
1777 print_int("height", frame->height);
1778 s = av_get_pix_fmt_name(frame->format);
1779 if (s) print_str ("pix_fmt", s);
1780 else print_str_opt("pix_fmt", "unknown");
1781 sar = av_guess_sample_aspect_ratio(fmt_ctx, stream, frame);
1782 if (sar.num) {
1783 print_q("sample_aspect_ratio", sar, ':');
1784 } else {
1785 print_str_opt("sample_aspect_ratio", "N/A");
1786 }
1787 print_fmt("pict_type", "%c", av_get_picture_type_char(frame->pict_type));
1788 print_int("coded_picture_number", frame->coded_picture_number);
1789 print_int("display_picture_number", frame->display_picture_number);
1790 print_int("interlaced_frame", frame->interlaced_frame);
1791 print_int("top_field_first", frame->top_field_first);
1792 print_int("repeat_pict", frame->repeat_pict);
1793 break;
1794
1795 case AVMEDIA_TYPE_AUDIO:
1796 s = av_get_sample_fmt_name(frame->format);
1797 if (s) print_str ("sample_fmt", s);
1798 else print_str_opt("sample_fmt", "unknown");
1799 print_int("nb_samples", frame->nb_samples);
1800 print_int("channels", av_frame_get_channels(frame));
1801 if (av_frame_get_channel_layout(frame)) {
1802 av_bprint_clear(&pbuf);
1803 av_bprint_channel_layout(&pbuf, av_frame_get_channels(frame),
1804 av_frame_get_channel_layout(frame));
1805 print_str ("channel_layout", pbuf.str);
1806 } else
1807 print_str_opt("channel_layout", "unknown");
1808 break;
1809 }
1810 if (do_show_frame_tags)
1811 show_tags(w, av_frame_get_metadata(frame), SECTION_ID_FRAME_TAGS);
1812 if (frame->nb_side_data) {
1813 writer_print_section_header(w, SECTION_ID_FRAME_SIDE_DATA_LIST);
1814 for (i = 0; i < frame->nb_side_data; i++) {
1815 AVFrameSideData *sd = frame->side_data[i];
1816 const char *name;
1817
1818 writer_print_section_header(w, SECTION_ID_FRAME_SIDE_DATA);
1819 name = av_frame_side_data_name(sd->type);
1820 print_str("side_data_type", name ? name : "unknown");
1821 print_int("side_data_size", sd->size);
1822 writer_print_section_footer(w);
1823 }
1824 writer_print_section_footer(w);
1825 }
1826
1827 writer_print_section_footer(w);
1828
1829 av_bprint_finalize(&pbuf, NULL);
1830 fflush(stdout);
1831}
1832
1833static av_always_inline int process_frame(WriterContext *w,
1834 AVFormatContext *fmt_ctx,
1835 AVFrame *frame, AVPacket *pkt)
1836{
1837 AVCodecContext *dec_ctx = fmt_ctx->streams[pkt->stream_index]->codec;
1838 AVSubtitle sub;
1839 int ret = 0, got_frame = 0;
1840
1841 if (dec_ctx->codec) {
1842 switch (dec_ctx->codec_type) {
1843 case AVMEDIA_TYPE_VIDEO:
1844 ret = avcodec_decode_video2(dec_ctx, frame, &got_frame, pkt);
1845 break;
1846
1847 case AVMEDIA_TYPE_AUDIO:
1848 ret = avcodec_decode_audio4(dec_ctx, frame, &got_frame, pkt);
1849 break;
1850
1851 case AVMEDIA_TYPE_SUBTITLE:
1852 ret = avcodec_decode_subtitle2(dec_ctx, &sub, &got_frame, pkt);
1853 break;
1854 }
1855 }
1856
1857 if (ret < 0)
1858 return ret;
1859 ret = FFMIN(ret, pkt->size); /* guard against bogus return values */
1860 pkt->data += ret;
1861 pkt->size -= ret;
1862 if (got_frame) {
1863 int is_sub = (dec_ctx->codec_type == AVMEDIA_TYPE_SUBTITLE);
1864 nb_streams_frames[pkt->stream_index]++;
1865 if (do_show_frames)
1866 if (is_sub)
1867 show_subtitle(w, &sub, fmt_ctx->streams[pkt->stream_index], fmt_ctx);
1868 else
1869 show_frame(w, frame, fmt_ctx->streams[pkt->stream_index], fmt_ctx);
1870 if (is_sub)
1871 avsubtitle_free(&sub);
1872 }
1873 return got_frame;
1874}
1875
1876static void log_read_interval(const ReadInterval *interval, void *log_ctx, int log_level)
1877{
1878 av_log(log_ctx, log_level, "id:%d", interval->id);
1879
1880 if (interval->has_start) {
1881 av_log(log_ctx, log_level, " start:%s%s", interval->start_is_offset ? "+" : "",
1882 av_ts2timestr(interval->start, &AV_TIME_BASE_Q));
1883 } else {
1884 av_log(log_ctx, log_level, " start:N/A");
1885 }
1886
1887 if (interval->has_end) {
1888 av_log(log_ctx, log_level, " end:%s", interval->end_is_offset ? "+" : "");
1889 if (interval->duration_frames)
1890 av_log(log_ctx, log_level, "#%"PRId64, interval->end);
1891 else
1892 av_log(log_ctx, log_level, "%s", av_ts2timestr(interval->end, &AV_TIME_BASE_Q));
1893 } else {
1894 av_log(log_ctx, log_level, " end:N/A");
1895 }
1896
1897 av_log(log_ctx, log_level, "\n");
1898}
1899
1900static int read_interval_packets(WriterContext *w, AVFormatContext *fmt_ctx,
1901 const ReadInterval *interval, int64_t *cur_ts)
1902{
1903 AVPacket pkt, pkt1;
1904 AVFrame *frame = NULL;
1905 int ret = 0, i = 0, frame_count = 0;
1906 int64_t start = -INT64_MAX, end = interval->end;
1907 int has_start = 0, has_end = interval->has_end && !interval->end_is_offset;
1908
1909 av_init_packet(&pkt);
1910
1911 av_log(NULL, AV_LOG_VERBOSE, "Processing read interval ");
1912 log_read_interval(interval, NULL, AV_LOG_VERBOSE);
1913
1914 if (interval->has_start) {
1915 int64_t target;
1916 if (interval->start_is_offset) {
1917 if (*cur_ts == AV_NOPTS_VALUE) {
1918 av_log(NULL, AV_LOG_ERROR,
1919 "Could not seek to relative position since current "
1920 "timestamp is not defined\n");
1921 ret = AVERROR(EINVAL);
1922 goto end;
1923 }
1924 target = *cur_ts + interval->start;
1925 } else {
1926 target = interval->start;
1927 }
1928
1929 av_log(NULL, AV_LOG_VERBOSE, "Seeking to read interval start point %s\n",
1930 av_ts2timestr(target, &AV_TIME_BASE_Q));
1931 if ((ret = avformat_seek_file(fmt_ctx, -1, -INT64_MAX, target, INT64_MAX, 0)) < 0) {
1932 av_log(NULL, AV_LOG_ERROR, "Could not seek to position %"PRId64": %s\n",
1933 interval->start, av_err2str(ret));
1934 goto end;
1935 }
1936 }
1937
1938 frame = av_frame_alloc();
1939 if (!frame) {
1940 ret = AVERROR(ENOMEM);
1941 goto end;
1942 }
1943 while (!av_read_frame(fmt_ctx, &pkt)) {
1944 if (fmt_ctx->nb_streams > nb_streams) {
1945 REALLOCZ_ARRAY_STREAM(nb_streams_frames, nb_streams, fmt_ctx->nb_streams);
1946 REALLOCZ_ARRAY_STREAM(nb_streams_packets, nb_streams, fmt_ctx->nb_streams);
1947 REALLOCZ_ARRAY_STREAM(selected_streams, nb_streams, fmt_ctx->nb_streams);
1948 nb_streams = fmt_ctx->nb_streams;
1949 }
1950 if (selected_streams[pkt.stream_index]) {
1951 AVRational tb = fmt_ctx->streams[pkt.stream_index]->time_base;
1952
1953 if (pkt.pts != AV_NOPTS_VALUE)
1954 *cur_ts = av_rescale_q(pkt.pts, tb, AV_TIME_BASE_Q);
1955
1956 if (!has_start && *cur_ts != AV_NOPTS_VALUE) {
1957 start = *cur_ts;
1958 has_start = 1;
1959 }
1960
1961 if (has_start && !has_end && interval->end_is_offset) {
1962 end = start + interval->end;
1963 has_end = 1;
1964 }
1965
1966 if (interval->end_is_offset && interval->duration_frames) {
1967 if (frame_count >= interval->end)
1968 break;
1969 } else if (has_end && *cur_ts != AV_NOPTS_VALUE && *cur_ts >= end) {
1970 break;
1971 }
1972
1973 frame_count++;
1974 if (do_read_packets) {
1975 if (do_show_packets)
1976 show_packet(w, fmt_ctx, &pkt, i++);
1977 nb_streams_packets[pkt.stream_index]++;
1978 }
1979 if (do_read_frames) {
1980 pkt1 = pkt;
1981 while (pkt1.size && process_frame(w, fmt_ctx, frame, &pkt1) > 0);
1982 }
1983 }
1984 av_free_packet(&pkt);
1985 }
1986 av_init_packet(&pkt);
1987 pkt.data = NULL;
1988 pkt.size = 0;
1989 //Flush remaining frames that are cached in the decoder
1990 for (i = 0; i < fmt_ctx->nb_streams; i++) {
1991 pkt.stream_index = i;
1992 if (do_read_frames)
1993 while (process_frame(w, fmt_ctx, frame, &pkt) > 0);
1994 }
1995
1996end:
1997 av_frame_free(&frame);
1998 if (ret < 0) {
1999 av_log(NULL, AV_LOG_ERROR, "Could not read packets in interval ");
2000 log_read_interval(interval, NULL, AV_LOG_ERROR);
2001 }
2002 return ret;
2003}
2004
2005static int read_packets(WriterContext *w, AVFormatContext *fmt_ctx)
2006{
2007 int i, ret = 0;
2008 int64_t cur_ts = fmt_ctx->start_time;
2009
2010 if (read_intervals_nb == 0) {
2011 ReadInterval interval = (ReadInterval) { .has_start = 0, .has_end = 0 };
2012 ret = read_interval_packets(w, fmt_ctx, &interval, &cur_ts);
2013 } else {
2014 for (i = 0; i < read_intervals_nb; i++) {
2015 ret = read_interval_packets(w, fmt_ctx, &read_intervals[i], &cur_ts);
2016 if (ret < 0)
2017 break;
2018 }
2019 }
2020
2021 return ret;
2022}
2023
2024static int show_stream(WriterContext *w, AVFormatContext *fmt_ctx, int stream_idx, int in_program)
2025{
2026 AVStream *stream = fmt_ctx->streams[stream_idx];
2027 AVCodecContext *dec_ctx;
2028 const AVCodec *dec;
2029 char val_str[128];
2030 const char *s;
2031 AVRational sar, dar;
2032 AVBPrint pbuf;
2033 const AVCodecDescriptor *cd;
2034 int ret = 0;
2035
2036 av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
2037
2038 writer_print_section_header(w, in_program ? SECTION_ID_PROGRAM_STREAM : SECTION_ID_STREAM);
2039
2040 print_int("index", stream->index);
2041
2042 if ((dec_ctx = stream->codec)) {
2043 const char *profile = NULL;
2044 dec = dec_ctx->codec;
2045 if (dec) {
2046 print_str("codec_name", dec->name);
2047 if (!do_bitexact) {
2048 if (dec->long_name) print_str ("codec_long_name", dec->long_name);
2049 else print_str_opt("codec_long_name", "unknown");
2050 }
2051 } else if ((cd = avcodec_descriptor_get(stream->codec->codec_id))) {
2052 print_str_opt("codec_name", cd->name);
2053 if (!do_bitexact) {
2054 print_str_opt("codec_long_name",
2055 cd->long_name ? cd->long_name : "unknown");
2056 }
2057 } else {
2058 print_str_opt("codec_name", "unknown");
2059 if (!do_bitexact) {
2060 print_str_opt("codec_long_name", "unknown");
2061 }
2062 }
2063
2064 if (dec && (profile = av_get_profile_name(dec, dec_ctx->profile)))
2065 print_str("profile", profile);
2066 else
2067 print_str_opt("profile", "unknown");
2068
2069 s = av_get_media_type_string(dec_ctx->codec_type);
2070 if (s) print_str ("codec_type", s);
2071 else print_str_opt("codec_type", "unknown");
2072 print_q("codec_time_base", dec_ctx->time_base, '/');
2073
2074 /* print AVI/FourCC tag */
2075 av_get_codec_tag_string(val_str, sizeof(val_str), dec_ctx->codec_tag);
2076 print_str("codec_tag_string", val_str);
2077 print_fmt("codec_tag", "0x%04x", dec_ctx->codec_tag);
2078
2079 switch (dec_ctx->codec_type) {
2080 case AVMEDIA_TYPE_VIDEO:
2081 print_int("width", dec_ctx->width);
2082 print_int("height", dec_ctx->height);
2083 print_int("has_b_frames", dec_ctx->has_b_frames);
2084 sar = av_guess_sample_aspect_ratio(fmt_ctx, stream, NULL);
2085 if (sar.den) {
2086 print_q("sample_aspect_ratio", sar, ':');
2087 av_reduce(&dar.num, &dar.den,
2088 dec_ctx->width * sar.num,
2089 dec_ctx->height * sar.den,
2090 1024*1024);
2091 print_q("display_aspect_ratio", dar, ':');
2092 } else {
2093 print_str_opt("sample_aspect_ratio", "N/A");
2094 print_str_opt("display_aspect_ratio", "N/A");
2095 }
2096 s = av_get_pix_fmt_name(dec_ctx->pix_fmt);
2097 if (s) print_str ("pix_fmt", s);
2098 else print_str_opt("pix_fmt", "unknown");
2099 print_int("level", dec_ctx->level);
2100 if (dec_ctx->color_range != AVCOL_RANGE_UNSPECIFIED)
2101 print_str ("color_range", dec_ctx->color_range == AVCOL_RANGE_MPEG ? "tv": "pc");
2102 else
2103 print_str_opt("color_range", "N/A");
2104 s = av_get_colorspace_name(dec_ctx->colorspace);
2105 if (s) print_str ("color_space", s);
2106 else print_str_opt("color_space", "unknown");
2107 if (dec_ctx->timecode_frame_start >= 0) {
2108 char tcbuf[AV_TIMECODE_STR_SIZE];
2109 av_timecode_make_mpeg_tc_string(tcbuf, dec_ctx->timecode_frame_start);
2110 print_str("timecode", tcbuf);
2111 } else {
2112 print_str_opt("timecode", "N/A");
2113 }
2114 break;
2115
2116 case AVMEDIA_TYPE_AUDIO:
2117 s = av_get_sample_fmt_name(dec_ctx->sample_fmt);
2118 if (s) print_str ("sample_fmt", s);
2119 else print_str_opt("sample_fmt", "unknown");
2120 print_val("sample_rate", dec_ctx->sample_rate, unit_hertz_str);
2121 print_int("channels", dec_ctx->channels);
2122
2123 if (dec_ctx->channel_layout) {
2124 av_bprint_clear(&pbuf);
2125 av_bprint_channel_layout(&pbuf, dec_ctx->channels, dec_ctx->channel_layout);
2126 print_str ("channel_layout", pbuf.str);
2127 } else {
2128 print_str_opt("channel_layout", "unknown");
2129 }
2130
2131 print_int("bits_per_sample", av_get_bits_per_sample(dec_ctx->codec_id));
2132 break;
2133
2134 case AVMEDIA_TYPE_SUBTITLE:
2135 if (dec_ctx->width)
2136 print_int("width", dec_ctx->width);
2137 else
2138 print_str_opt("width", "N/A");
2139 if (dec_ctx->height)
2140 print_int("height", dec_ctx->height);
2141 else
2142 print_str_opt("height", "N/A");
2143 break;
2144 }
2145 } else {
2146 print_str_opt("codec_type", "unknown");
2147 }
2148 if (dec_ctx->codec && dec_ctx->codec->priv_class && show_private_data) {
2149 const AVOption *opt = NULL;
2150 while (opt = av_opt_next(dec_ctx->priv_data,opt)) {
2151 uint8_t *str;
2152 if (opt->flags) continue;
2153 if (av_opt_get(dec_ctx->priv_data, opt->name, 0, &str) >= 0) {
2154 print_str(opt->name, str);
2155 av_free(str);
2156 }
2157 }
2158 }
2159
2160 if (fmt_ctx->iformat->flags & AVFMT_SHOW_IDS) print_fmt ("id", "0x%x", stream->id);
2161 else print_str_opt("id", "N/A");
2162 print_q("r_frame_rate", stream->r_frame_rate, '/');
2163 print_q("avg_frame_rate", stream->avg_frame_rate, '/');
2164 print_q("time_base", stream->time_base, '/');
2165 print_ts ("start_pts", stream->start_time);
2166 print_time("start_time", stream->start_time, &stream->time_base);
2167 print_ts ("duration_ts", stream->duration);
2168 print_time("duration", stream->duration, &stream->time_base);
2169 if (dec_ctx->bit_rate > 0) print_val ("bit_rate", dec_ctx->bit_rate, unit_bit_per_second_str);
2170 else print_str_opt("bit_rate", "N/A");
2171 if (dec_ctx->rc_max_rate > 0) print_val ("max_bit_rate", dec_ctx->rc_max_rate, unit_bit_per_second_str);
2172 else print_str_opt("max_bit_rate", "N/A");
2173 if (dec_ctx->bits_per_raw_sample > 0) print_fmt("bits_per_raw_sample", "%d", dec_ctx->bits_per_raw_sample);
2174 else print_str_opt("bits_per_raw_sample", "N/A");
2175 if (stream->nb_frames) print_fmt ("nb_frames", "%"PRId64, stream->nb_frames);
2176 else print_str_opt("nb_frames", "N/A");
2177 if (nb_streams_frames[stream_idx]) print_fmt ("nb_read_frames", "%"PRIu64, nb_streams_frames[stream_idx]);
2178 else print_str_opt("nb_read_frames", "N/A");
2179 if (nb_streams_packets[stream_idx]) print_fmt ("nb_read_packets", "%"PRIu64, nb_streams_packets[stream_idx]);
2180 else print_str_opt("nb_read_packets", "N/A");
2181 if (do_show_data)
2182 writer_print_data(w, "extradata", dec_ctx->extradata,
2183 dec_ctx->extradata_size);
2184 writer_print_data_hash(w, "extradata_hash", dec_ctx->extradata,
2185 dec_ctx->extradata_size);
2186
2187 /* Print disposition information */
2188#define PRINT_DISPOSITION(flagname, name) do { \
2189 print_int(name, !!(stream->disposition & AV_DISPOSITION_##flagname)); \
2190 } while (0)
2191
2192 if (do_show_stream_disposition) {
2193 writer_print_section_header(w, in_program ? SECTION_ID_PROGRAM_STREAM_DISPOSITION : SECTION_ID_STREAM_DISPOSITION);
2194 PRINT_DISPOSITION(DEFAULT, "default");
2195 PRINT_DISPOSITION(DUB, "dub");
2196 PRINT_DISPOSITION(ORIGINAL, "original");
2197 PRINT_DISPOSITION(COMMENT, "comment");
2198 PRINT_DISPOSITION(LYRICS, "lyrics");
2199 PRINT_DISPOSITION(KARAOKE, "karaoke");
2200 PRINT_DISPOSITION(FORCED, "forced");
2201 PRINT_DISPOSITION(HEARING_IMPAIRED, "hearing_impaired");
2202 PRINT_DISPOSITION(VISUAL_IMPAIRED, "visual_impaired");
2203 PRINT_DISPOSITION(CLEAN_EFFECTS, "clean_effects");
2204 PRINT_DISPOSITION(ATTACHED_PIC, "attached_pic");
2205 writer_print_section_footer(w);
2206 }
2207
2208 if (do_show_stream_tags)
2209 ret = show_tags(w, stream->metadata, in_program ? SECTION_ID_PROGRAM_STREAM_TAGS : SECTION_ID_STREAM_TAGS);
2210
2211 writer_print_section_footer(w);
2212 av_bprint_finalize(&pbuf, NULL);
2213 fflush(stdout);
2214
2215 return ret;
2216}
2217
2218static int show_streams(WriterContext *w, AVFormatContext *fmt_ctx)
2219{
2220 int i, ret = 0;
2221
2222 writer_print_section_header(w, SECTION_ID_STREAMS);
2223 for (i = 0; i < fmt_ctx->nb_streams; i++)
2224 if (selected_streams[i]) {
2225 ret = show_stream(w, fmt_ctx, i, 0);
2226 if (ret < 0)
2227 break;
2228 }
2229 writer_print_section_footer(w);
2230
2231 return ret;
2232}
2233
2234static int show_program(WriterContext *w, AVFormatContext *fmt_ctx, AVProgram *program)
2235{
2236 int i, ret = 0;
2237
2238 writer_print_section_header(w, SECTION_ID_PROGRAM);
2239 print_int("program_id", program->id);
2240 print_int("program_num", program->program_num);
2241 print_int("nb_streams", program->nb_stream_indexes);
2242 print_int("pmt_pid", program->pmt_pid);
2243 print_int("pcr_pid", program->pcr_pid);
2244 print_ts("start_pts", program->start_time);
2245 print_time("start_time", program->start_time, &AV_TIME_BASE_Q);
2246 print_ts("end_pts", program->end_time);
2247 print_time("end_time", program->end_time, &AV_TIME_BASE_Q);
2248 if (do_show_program_tags)
2249 ret = show_tags(w, program->metadata, SECTION_ID_PROGRAM_TAGS);
2250 if (ret < 0)
2251 goto end;
2252
2253 writer_print_section_header(w, SECTION_ID_PROGRAM_STREAMS);
2254 for (i = 0; i < program->nb_stream_indexes; i++) {
2255 if (selected_streams[program->stream_index[i]]) {
2256 ret = show_stream(w, fmt_ctx, program->stream_index[i], 1);
2257 if (ret < 0)
2258 break;
2259 }
2260 }
2261 writer_print_section_footer(w);
2262
2263end:
2264 writer_print_section_footer(w);
2265 return ret;
2266}
2267
2268static int show_programs(WriterContext *w, AVFormatContext *fmt_ctx)
2269{
2270 int i, ret = 0;
2271
2272 writer_print_section_header(w, SECTION_ID_PROGRAMS);
2273 for (i = 0; i < fmt_ctx->nb_programs; i++) {
2274 AVProgram *program = fmt_ctx->programs[i];
2275 if (!program)
2276 continue;
2277 ret = show_program(w, fmt_ctx, program);
2278 if (ret < 0)
2279 break;
2280 }
2281 writer_print_section_footer(w);
2282 return ret;
2283}
2284
2285static int show_chapters(WriterContext *w, AVFormatContext *fmt_ctx)
2286{
2287 int i, ret = 0;
2288
2289 writer_print_section_header(w, SECTION_ID_CHAPTERS);
2290 for (i = 0; i < fmt_ctx->nb_chapters; i++) {
2291 AVChapter *chapter = fmt_ctx->chapters[i];
2292
2293 writer_print_section_header(w, SECTION_ID_CHAPTER);
2294 print_int("id", chapter->id);
2295 print_q ("time_base", chapter->time_base, '/');
2296 print_int("start", chapter->start);
2297 print_time("start_time", chapter->start, &chapter->time_base);
2298 print_int("end", chapter->end);
2299 print_time("end_time", chapter->end, &chapter->time_base);
2300 if (do_show_chapter_tags)
2301 ret = show_tags(w, chapter->metadata, SECTION_ID_CHAPTER_TAGS);
2302 writer_print_section_footer(w);
2303 }
2304 writer_print_section_footer(w);
2305
2306 return ret;
2307}
2308
2309static int show_format(WriterContext *w, AVFormatContext *fmt_ctx)
2310{
2311 char val_str[128];
2312 int64_t size = fmt_ctx->pb ? avio_size(fmt_ctx->pb) : -1;
2313 int ret = 0;
2314
2315 writer_print_section_header(w, SECTION_ID_FORMAT);
2316 print_str_validate("filename", fmt_ctx->filename);
2317 print_int("nb_streams", fmt_ctx->nb_streams);
2318 print_int("nb_programs", fmt_ctx->nb_programs);
2319 print_str("format_name", fmt_ctx->iformat->name);
2320 if (!do_bitexact) {
2321 if (fmt_ctx->iformat->long_name) print_str ("format_long_name", fmt_ctx->iformat->long_name);
2322 else print_str_opt("format_long_name", "unknown");
2323 }
2324 print_time("start_time", fmt_ctx->start_time, &AV_TIME_BASE_Q);
2325 print_time("duration", fmt_ctx->duration, &AV_TIME_BASE_Q);
2326 if (size >= 0) print_val ("size", size, unit_byte_str);
2327 else print_str_opt("size", "N/A");
2328 if (fmt_ctx->bit_rate > 0) print_val ("bit_rate", fmt_ctx->bit_rate, unit_bit_per_second_str);
2329 else print_str_opt("bit_rate", "N/A");
2330 print_int("probe_score", av_format_get_probe_score(fmt_ctx));
2331 if (do_show_format_tags)
2332 ret = show_tags(w, fmt_ctx->metadata, SECTION_ID_FORMAT_TAGS);
2333
2334 writer_print_section_footer(w);
2335 fflush(stdout);
2336 return ret;
2337}
2338
2339static void show_error(WriterContext *w, int err)
2340{
2341 char errbuf[128];
2342 const char *errbuf_ptr = errbuf;
2343
2344 if (av_strerror(err, errbuf, sizeof(errbuf)) < 0)
2345 errbuf_ptr = strerror(AVUNERROR(err));
2346
2347 writer_print_section_header(w, SECTION_ID_ERROR);
2348 print_int("code", err);
2349 print_str("string", errbuf_ptr);
2350 writer_print_section_footer(w);
2351}
2352
2353static int open_input_file(AVFormatContext **fmt_ctx_ptr, const char *filename)
2354{
2355 int err, i, orig_nb_streams;
2356 AVFormatContext *fmt_ctx = NULL;
2357 AVDictionaryEntry *t;
2358 AVDictionary **opts;
2359
2360 if ((err = avformat_open_input(&fmt_ctx, filename,
2361 iformat, &format_opts)) < 0) {
2362 print_error(filename, err);
2363 return err;
2364 }
2365 if ((t = av_dict_get(format_opts, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
2366 av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
2367 return AVERROR_OPTION_NOT_FOUND;
2368 }
2369
2370 /* fill the streams in the format context */
2371 opts = setup_find_stream_info_opts(fmt_ctx, codec_opts);
2372 orig_nb_streams = fmt_ctx->nb_streams;
2373
2374 if ((err = avformat_find_stream_info(fmt_ctx, opts)) < 0) {
2375 print_error(filename, err);
2376 return err;
2377 }
2378 for (i = 0; i < orig_nb_streams; i++)
2379 av_dict_free(&opts[i]);
2380 av_freep(&opts);
2381
2382 av_dump_format(fmt_ctx, 0, filename, 0);
2383
2384 /* bind a decoder to each input stream */
2385 for (i = 0; i < fmt_ctx->nb_streams; i++) {
2386 AVStream *stream = fmt_ctx->streams[i];
2387 AVCodec *codec;
2388
2389 if (stream->codec->codec_id == AV_CODEC_ID_PROBE) {
2390 av_log(NULL, AV_LOG_WARNING,
2391 "Failed to probe codec for input stream %d\n",
2392 stream->index);
2393 } else if (!(codec = avcodec_find_decoder(stream->codec->codec_id))) {
2394 av_log(NULL, AV_LOG_WARNING,
2395 "Unsupported codec with id %d for input stream %d\n",
2396 stream->codec->codec_id, stream->index);
2397 } else {
2398 AVDictionary *opts = filter_codec_opts(codec_opts, stream->codec->codec_id,
2399 fmt_ctx, stream, codec);
2400 if (avcodec_open2(stream->codec, codec, &opts) < 0) {
2401 av_log(NULL, AV_LOG_WARNING, "Could not open codec for input stream %d\n",
2402 stream->index);
2403 }
2404 if ((t = av_dict_get(opts, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
2405 av_log(NULL, AV_LOG_ERROR, "Option %s for input stream %d not found\n",
2406 t->key, stream->index);
2407 return AVERROR_OPTION_NOT_FOUND;
2408 }
2409 }
2410 }
2411
2412 *fmt_ctx_ptr = fmt_ctx;
2413 return 0;
2414}
2415
2416static void close_input_file(AVFormatContext **ctx_ptr)
2417{
2418 int i;
2419 AVFormatContext *fmt_ctx = *ctx_ptr;
2420
2421 /* close decoder for each stream */
2422 for (i = 0; i < fmt_ctx->nb_streams; i++)
2423 if (fmt_ctx->streams[i]->codec->codec_id != AV_CODEC_ID_NONE)
2424 avcodec_close(fmt_ctx->streams[i]->codec);
2425
2426 avformat_close_input(ctx_ptr);
2427}
2428
2429static int probe_file(WriterContext *wctx, const char *filename)
2430{
2431 AVFormatContext *fmt_ctx;
2432 int ret, i;
2433 int section_id;
2434
2435 do_read_frames = do_show_frames || do_count_frames;
2436 do_read_packets = do_show_packets || do_count_packets;
2437
2438 ret = open_input_file(&fmt_ctx, filename);
2439 if (ret < 0)
2440 return ret;
2441
2442#define CHECK_END if (ret < 0) goto end
2443
2444 nb_streams = fmt_ctx->nb_streams;
2445 REALLOCZ_ARRAY_STREAM(nb_streams_frames,0,fmt_ctx->nb_streams);
2446 REALLOCZ_ARRAY_STREAM(nb_streams_packets,0,fmt_ctx->nb_streams);
2447 REALLOCZ_ARRAY_STREAM(selected_streams,0,fmt_ctx->nb_streams);
2448
2449 for (i = 0; i < fmt_ctx->nb_streams; i++) {
2450 if (stream_specifier) {
2451 ret = avformat_match_stream_specifier(fmt_ctx,
2452 fmt_ctx->streams[i],
2453 stream_specifier);
2454 CHECK_END;
2455 else
2456 selected_streams[i] = ret;
2457 ret = 0;
2458 } else {
2459 selected_streams[i] = 1;
2460 }
2461 }
2462
2463 if (do_read_frames || do_read_packets) {
2464 if (do_show_frames && do_show_packets &&
2465 wctx->writer->flags & WRITER_FLAG_PUT_PACKETS_AND_FRAMES_IN_SAME_CHAPTER)
2466 section_id = SECTION_ID_PACKETS_AND_FRAMES;
2467 else if (do_show_packets && !do_show_frames)
2468 section_id = SECTION_ID_PACKETS;
2469 else // (!do_show_packets && do_show_frames)
2470 section_id = SECTION_ID_FRAMES;
2471 if (do_show_frames || do_show_packets)
2472 writer_print_section_header(wctx, section_id);
2473 ret = read_packets(wctx, fmt_ctx);
2474 if (do_show_frames || do_show_packets)
2475 writer_print_section_footer(wctx);
2476 CHECK_END;
2477 }
2478
2479 if (do_show_programs) {
2480 ret = show_programs(wctx, fmt_ctx);
2481 CHECK_END;
2482 }
2483
2484 if (do_show_streams) {
2485 ret = show_streams(wctx, fmt_ctx);
2486 CHECK_END;
2487 }
2488 if (do_show_chapters) {
2489 ret = show_chapters(wctx, fmt_ctx);
2490 CHECK_END;
2491 }
2492 if (do_show_format) {
2493 ret = show_format(wctx, fmt_ctx);
2494 CHECK_END;
2495 }
2496
2497end:
2498 close_input_file(&fmt_ctx);
2499 av_freep(&nb_streams_frames);
2500 av_freep(&nb_streams_packets);
2501 av_freep(&selected_streams);
2502
2503 return ret;
2504}
2505
2506static void show_usage(void)
2507{
2508 av_log(NULL, AV_LOG_INFO, "Simple multimedia streams analyzer\n");
2509 av_log(NULL, AV_LOG_INFO, "usage: %s [OPTIONS] [INPUT_FILE]\n", program_name);
2510 av_log(NULL, AV_LOG_INFO, "\n");
2511}
2512
2513static void ffprobe_show_program_version(WriterContext *w)
2514{
2515 AVBPrint pbuf;
2516 av_bprint_init(&pbuf, 1, AV_BPRINT_SIZE_UNLIMITED);
2517
2518 writer_print_section_header(w, SECTION_ID_PROGRAM_VERSION);
2519 print_str("version", FFMPEG_VERSION);
2520 print_fmt("copyright", "Copyright (c) %d-%d the FFmpeg developers",
2521 program_birth_year, CONFIG_THIS_YEAR);
2522 print_str("build_date", __DATE__);
2523 print_str("build_time", __TIME__);
2524 print_str("compiler_ident", CC_IDENT);
2525 print_str("configuration", FFMPEG_CONFIGURATION);
2526 writer_print_section_footer(w);
2527
2528 av_bprint_finalize(&pbuf, NULL);
2529}
2530
2531#define SHOW_LIB_VERSION(libname, LIBNAME) \
2532 do { \
2533 if (CONFIG_##LIBNAME) { \
2534 unsigned int version = libname##_version(); \
2535 writer_print_section_header(w, SECTION_ID_LIBRARY_VERSION); \
2536 print_str("name", "lib" #libname); \
2537 print_int("major", LIB##LIBNAME##_VERSION_MAJOR); \
2538 print_int("minor", LIB##LIBNAME##_VERSION_MINOR); \
2539 print_int("micro", LIB##LIBNAME##_VERSION_MICRO); \
2540 print_int("version", version); \
2541 print_str("ident", LIB##LIBNAME##_IDENT); \
2542 writer_print_section_footer(w); \
2543 } \
2544 } while (0)
2545
2546static void ffprobe_show_library_versions(WriterContext *w)
2547{
2548 writer_print_section_header(w, SECTION_ID_LIBRARY_VERSIONS);
2549 SHOW_LIB_VERSION(avutil, AVUTIL);
2550 SHOW_LIB_VERSION(avcodec, AVCODEC);
2551 SHOW_LIB_VERSION(avformat, AVFORMAT);
2552 SHOW_LIB_VERSION(avdevice, AVDEVICE);
2553 SHOW_LIB_VERSION(avfilter, AVFILTER);
2554 SHOW_LIB_VERSION(swscale, SWSCALE);
2555 SHOW_LIB_VERSION(swresample, SWRESAMPLE);
2556 SHOW_LIB_VERSION(postproc, POSTPROC);
2557 writer_print_section_footer(w);
2558}
2559
2560static int opt_format(void *optctx, const char *opt, const char *arg)
2561{
2562 iformat = av_find_input_format(arg);
2563 if (!iformat) {
2564 av_log(NULL, AV_LOG_ERROR, "Unknown input format: %s\n", arg);
2565 return AVERROR(EINVAL);
2566 }
2567 return 0;
2568}
2569
2570static inline void mark_section_show_entries(SectionID section_id,
2571 int show_all_entries, AVDictionary *entries)
2572{
2573 struct section *section = &sections[section_id];
2574
2575 section->show_all_entries = show_all_entries;
2576 if (show_all_entries) {
2577 SectionID *id;
2578 for (id = section->children_ids; *id != -1; id++)
2579 mark_section_show_entries(*id, show_all_entries, entries);
2580 } else {
2581 av_dict_copy(&section->entries_to_show, entries, 0);
2582 }
2583}
2584
2585static int match_section(const char *section_name,
2586 int show_all_entries, AVDictionary *entries)
2587{
2588 int i, ret = 0;
2589
2590 for (i = 0; i < FF_ARRAY_ELEMS(sections); i++) {
2591 const struct section *section = &sections[i];
2592 if (!strcmp(section_name, section->name) ||
2593 (section->unique_name && !strcmp(section_name, section->unique_name))) {
2594 av_log(NULL, AV_LOG_DEBUG,
2595 "'%s' matches section with unique name '%s'\n", section_name,
2596 (char *)av_x_if_null(section->unique_name, section->name));
2597 ret++;
2598 mark_section_show_entries(section->id, show_all_entries, entries);
2599 }
2600 }
2601 return ret;
2602}
2603
2604static int opt_show_entries(void *optctx, const char *opt, const char *arg)
2605{
2606 const char *p = arg;
2607 int ret = 0;
2608
2609 while (*p) {
2610 AVDictionary *entries = NULL;
2611 char *section_name = av_get_token(&p, "=:");
2612 int show_all_entries = 0;
2613
2614 if (!section_name) {
2615 av_log(NULL, AV_LOG_ERROR,
2616 "Missing section name for option '%s'\n", opt);
2617 return AVERROR(EINVAL);
2618 }
2619
2620 if (*p == '=') {
2621 p++;
2622 while (*p && *p != ':') {
2623 char *entry = av_get_token(&p, ",:");
2624 if (!entry)
2625 break;
2626 av_log(NULL, AV_LOG_VERBOSE,
2627 "Adding '%s' to the entries to show in section '%s'\n",
2628 entry, section_name);
2629 av_dict_set(&entries, entry, "", AV_DICT_DONT_STRDUP_KEY);
2630 if (*p == ',')
2631 p++;
2632 }
2633 } else {
2634 show_all_entries = 1;
2635 }
2636
2637 ret = match_section(section_name, show_all_entries, entries);
2638 if (ret == 0) {
2639 av_log(NULL, AV_LOG_ERROR, "No match for section '%s'\n", section_name);
2640 ret = AVERROR(EINVAL);
2641 }
2642 av_dict_free(&entries);
2643 av_free(section_name);
2644
2645 if (ret <= 0)
2646 break;
2647 if (*p)
2648 p++;
2649 }
2650
2651 return ret;
2652}
2653
2654static int opt_show_format_entry(void *optctx, const char *opt, const char *arg)
2655{
2656 char *buf = av_asprintf("format=%s", arg);
2657 int ret;
2658
2659 av_log(NULL, AV_LOG_WARNING,
2660 "Option '%s' is deprecated, use '-show_entries format=%s' instead\n",
2661 opt, arg);
2662 ret = opt_show_entries(optctx, opt, buf);
2663 av_free(buf);
2664 return ret;
2665}
2666
2667static void opt_input_file(void *optctx, const char *arg)
2668{
2669 if (input_filename) {
2670 av_log(NULL, AV_LOG_ERROR,
2671 "Argument '%s' provided as input filename, but '%s' was already specified.\n",
2672 arg, input_filename);
2673 exit_program(1);
2674 }
2675 if (!strcmp(arg, "-"))
2676 arg = "pipe:";
2677 input_filename = arg;
2678}
2679
2680static int opt_input_file_i(void *optctx, const char *opt, const char *arg)
2681{
2682 opt_input_file(optctx, arg);
2683 return 0;
2684}
2685
2686void show_help_default(const char *opt, const char *arg)
2687{
2688 av_log_set_callback(log_callback_help);
2689 show_usage();
2690 show_help_options(options, "Main options:", 0, 0, 0);
2691 printf("\n");
2692
2693 show_help_children(avformat_get_class(), AV_OPT_FLAG_DECODING_PARAM);
2694}
2695
2696/**
2697 * Parse interval specification, according to the format:
2698 * INTERVAL ::= [START|+START_OFFSET][%[END|+END_OFFSET]]
2699 * INTERVALS ::= INTERVAL[,INTERVALS]
2700*/
2701static int parse_read_interval(const char *interval_spec,
2702 ReadInterval *interval)
2703{
2704 int ret = 0;
2705 char *next, *p, *spec = av_strdup(interval_spec);
2706 if (!spec)
2707 return AVERROR(ENOMEM);
2708
2709 if (!*spec) {
2710 av_log(NULL, AV_LOG_ERROR, "Invalid empty interval specification\n");
2711 ret = AVERROR(EINVAL);
2712 goto end;
2713 }
2714
2715 p = spec;
2716 next = strchr(spec, '%');
2717 if (next)
2718 *next++ = 0;
2719
2720 /* parse first part */
2721 if (*p) {
2722 interval->has_start = 1;
2723
2724 if (*p == '+') {
2725 interval->start_is_offset = 1;
2726 p++;
2727 } else {
2728 interval->start_is_offset = 0;
2729 }
2730
2731 ret = av_parse_time(&interval->start, p, 1);
2732 if (ret < 0) {
2733 av_log(NULL, AV_LOG_ERROR, "Invalid interval start specification '%s'\n", p);
2734 goto end;
2735 }
2736 } else {
2737 interval->has_start = 0;
2738 }
2739
2740 /* parse second part */
2741 p = next;
2742 if (p && *p) {
2743 int64_t us;
2744 interval->has_end = 1;
2745
2746 if (*p == '+') {
2747 interval->end_is_offset = 1;
2748 p++;
2749 } else {
2750 interval->end_is_offset = 0;
2751 }
2752
2753 if (interval->end_is_offset && *p == '#') {
2754 long long int lli;
2755 char *tail;
2756 interval->duration_frames = 1;
2757 p++;
2758 lli = strtoll(p, &tail, 10);
2759 if (*tail || lli < 0) {
2760 av_log(NULL, AV_LOG_ERROR,
2761 "Invalid or negative value '%s' for duration number of frames\n", p);
2762 goto end;
2763 }
2764 interval->end = lli;
2765 } else {
2766 ret = av_parse_time(&us, p, 1);
2767 if (ret < 0) {
2768 av_log(NULL, AV_LOG_ERROR, "Invalid interval end/duration specification '%s'\n", p);
2769 goto end;
2770 }
2771 interval->end = us;
2772 }
2773 } else {
2774 interval->has_end = 0;
2775 }
2776
2777end:
2778 av_free(spec);
2779 return ret;
2780}
2781
2782static int parse_read_intervals(const char *intervals_spec)
2783{
2784 int ret, n, i;
2785 char *p, *spec = av_strdup(intervals_spec);
2786 if (!spec)
2787 return AVERROR(ENOMEM);
2788
2789 /* preparse specification, get number of intervals */
2790 for (n = 0, p = spec; *p; p++)
2791 if (*p == ',')
2792 n++;
2793 n++;
2794
2795 read_intervals = av_malloc_array(n, sizeof(*read_intervals));
2796 if (!read_intervals) {
2797 ret = AVERROR(ENOMEM);
2798 goto end;
2799 }
2800 read_intervals_nb = n;
2801
2802 /* parse intervals */
2803 p = spec;
2804 for (i = 0; p; i++) {
2805 char *next;
2806
2807 av_assert0(i < read_intervals_nb);
2808 next = strchr(p, ',');
2809 if (next)
2810 *next++ = 0;
2811
2812 read_intervals[i].id = i;
2813 ret = parse_read_interval(p, &read_intervals[i]);
2814 if (ret < 0) {
2815 av_log(NULL, AV_LOG_ERROR, "Error parsing read interval #%d '%s'\n",
2816 i, p);
2817 goto end;
2818 }
2819 av_log(NULL, AV_LOG_VERBOSE, "Parsed log interval ");
2820 log_read_interval(&read_intervals[i], NULL, AV_LOG_VERBOSE);
2821 p = next;
2822 }
2823 av_assert0(i == read_intervals_nb);
2824
2825end:
2826 av_free(spec);
2827 return ret;
2828}
2829
2830static int opt_read_intervals(void *optctx, const char *opt, const char *arg)
2831{
2832 return parse_read_intervals(arg);
2833}
2834
2835static int opt_pretty(void *optctx, const char *opt, const char *arg)
2836{
2837 show_value_unit = 1;
2838 use_value_prefix = 1;
2839 use_byte_value_binary_prefix = 1;
2840 use_value_sexagesimal_format = 1;
2841 return 0;
2842}
2843
2844static void print_section(SectionID id, int level)
2845{
2846 const SectionID *pid;
2847 const struct section *section = &sections[id];
2848 printf("%c%c%c",
2849 section->flags & SECTION_FLAG_IS_WRAPPER ? 'W' : '.',
2850 section->flags & SECTION_FLAG_IS_ARRAY ? 'A' : '.',
2851 section->flags & SECTION_FLAG_HAS_VARIABLE_FIELDS ? 'V' : '.');
2852 printf("%*c %s", level * 4, ' ', section->name);
2853 if (section->unique_name)
2854 printf("/%s", section->unique_name);
2855 printf("\n");
2856
2857 for (pid = section->children_ids; *pid != -1; pid++)
2858 print_section(*pid, level+1);
2859}
2860
2861static int opt_sections(void *optctx, const char *opt, const char *arg)
2862{
2863 printf("Sections:\n"
2864 "W.. = Section is a wrapper (contains other sections, no local entries)\n"
2865 ".A. = Section contains an array of elements of the same type\n"
2866 "..V = Section may contain a variable number of fields with variable keys\n"
2867 "FLAGS NAME/UNIQUE_NAME\n"
2868 "---\n");
2869 print_section(SECTION_ID_ROOT, 0);
2870 return 0;
2871}
2872
2873static int opt_show_versions(const char *opt, const char *arg)
2874{
2875 mark_section_show_entries(SECTION_ID_PROGRAM_VERSION, 1, NULL);
2876 mark_section_show_entries(SECTION_ID_LIBRARY_VERSION, 1, NULL);
2877 return 0;
2878}
2879
2880#define DEFINE_OPT_SHOW_SECTION(section, target_section_id) \
2881 static int opt_show_##section(const char *opt, const char *arg) \
2882 { \
2883 mark_section_show_entries(SECTION_ID_##target_section_id, 1, NULL); \
2884 return 0; \
2885 }
2886
2887DEFINE_OPT_SHOW_SECTION(chapters, CHAPTERS);
2888DEFINE_OPT_SHOW_SECTION(error, ERROR);
2889DEFINE_OPT_SHOW_SECTION(format, FORMAT);
2890DEFINE_OPT_SHOW_SECTION(frames, FRAMES);
2891DEFINE_OPT_SHOW_SECTION(library_versions, LIBRARY_VERSIONS);
2892DEFINE_OPT_SHOW_SECTION(packets, PACKETS);
2893DEFINE_OPT_SHOW_SECTION(program_version, PROGRAM_VERSION);
2894DEFINE_OPT_SHOW_SECTION(streams, STREAMS);
2895DEFINE_OPT_SHOW_SECTION(programs, PROGRAMS);
2896
2897static const OptionDef real_options[] = {
2898#include "cmdutils_common_opts.h"
2899 { "f", HAS_ARG, {.func_arg = opt_format}, "force format", "format" },
2900 { "unit", OPT_BOOL, {&show_value_unit}, "show unit of the displayed values" },
2901 { "prefix", OPT_BOOL, {&use_value_prefix}, "use SI prefixes for the displayed values" },
2902 { "byte_binary_prefix", OPT_BOOL, {&use_byte_value_binary_prefix},
2903 "use binary prefixes for byte units" },
2904 { "sexagesimal", OPT_BOOL, {&use_value_sexagesimal_format},
2905 "use sexagesimal format HOURS:MM:SS.MICROSECONDS for time units" },
2906 { "pretty", 0, {.func_arg = opt_pretty},
2907 "prettify the format of displayed values, make it more human readable" },
2908 { "print_format", OPT_STRING | HAS_ARG, {(void*)&print_format},
2909 "set the output printing format (available formats are: default, compact, csv, flat, ini, json, xml)", "format" },
2910 { "of", OPT_STRING | HAS_ARG, {(void*)&print_format}, "alias for -print_format", "format" },
2911 { "select_streams", OPT_STRING | HAS_ARG, {(void*)&stream_specifier}, "select the specified streams", "stream_specifier" },
2912 { "sections", OPT_EXIT, {.func_arg = opt_sections}, "print sections structure and section information, and exit" },
2913 { "show_data", OPT_BOOL, {(void*)&do_show_data}, "show packets data" },
2914 { "show_data_hash", OPT_STRING | HAS_ARG, {(void*)&show_data_hash}, "show packets data hash" },
2915 { "show_error", 0, {(void*)&opt_show_error}, "show probing error" },
2916 { "show_format", 0, {(void*)&opt_show_format}, "show format/container info" },
2917 { "show_frames", 0, {(void*)&opt_show_frames}, "show frames info" },
2918 { "show_format_entry", HAS_ARG, {.func_arg = opt_show_format_entry},
2919 "show a particular entry from the format/container info", "entry" },
2920 { "show_entries", HAS_ARG, {.func_arg = opt_show_entries},
2921 "show a set of specified entries", "entry_list" },
2922 { "show_packets", 0, {(void*)&opt_show_packets}, "show packets info" },
2923 { "show_programs", 0, {(void*)&opt_show_programs}, "show programs info" },
2924 { "show_streams", 0, {(void*)&opt_show_streams}, "show streams info" },
2925 { "show_chapters", 0, {(void*)&opt_show_chapters}, "show chapters info" },
2926 { "count_frames", OPT_BOOL, {(void*)&do_count_frames}, "count the number of frames per stream" },
2927 { "count_packets", OPT_BOOL, {(void*)&do_count_packets}, "count the number of packets per stream" },
2928 { "show_program_version", 0, {(void*)&opt_show_program_version}, "show ffprobe version" },
2929 { "show_library_versions", 0, {(void*)&opt_show_library_versions}, "show library versions" },
2930 { "show_versions", 0, {(void*)&opt_show_versions}, "show program and library versions" },
2931 { "show_private_data", OPT_BOOL, {(void*)&show_private_data}, "show private data" },
2932 { "private", OPT_BOOL, {(void*)&show_private_data}, "same as show_private_data" },
2933 { "bitexact", OPT_BOOL, {&do_bitexact}, "force bitexact output" },
2934 { "read_intervals", HAS_ARG, {.func_arg = opt_read_intervals}, "set read intervals", "read_intervals" },
2935 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {.func_arg = opt_default}, "generic catch all option", "" },
2936 { "i", HAS_ARG, {.func_arg = opt_input_file_i}, "read specified file", "input_file"},
2937 { NULL, },
2938};
2939
2940static inline int check_section_show_entries(int section_id)
2941{
2942 int *id;
2943 struct section *section = &sections[section_id];
2944 if (sections[section_id].show_all_entries || sections[section_id].entries_to_show)
2945 return 1;
2946 for (id = section->children_ids; *id != -1; id++)
2947 if (check_section_show_entries(*id))
2948 return 1;
2949 return 0;
2950}
2951
2952#define SET_DO_SHOW(id, varname) do { \
2953 if (check_section_show_entries(SECTION_ID_##id)) \
2954 do_show_##varname = 1; \
2955 } while (0)
2956
2957int main(int argc, char **argv)
2958{
2959 const Writer *w;
2960 WriterContext *wctx;
2961 char *buf;
2962 char *w_name = NULL, *w_args = NULL;
2963 int ret, i;
2964
2965 av_log_set_flags(AV_LOG_SKIP_REPEATED);
2966 register_exit(ffprobe_cleanup);
2967
2968 options = real_options;
2969 parse_loglevel(argc, argv, options);
2970 av_register_all();
2971 avformat_network_init();
2972 init_opts();
2973#if CONFIG_AVDEVICE
2974 avdevice_register_all();
2975#endif
2976
2977 show_banner(argc, argv, options);
2978 parse_options(NULL, argc, argv, options, opt_input_file);
2979
2980 /* mark things to show, based on -show_entries */
2981 SET_DO_SHOW(CHAPTERS, chapters);
2982 SET_DO_SHOW(ERROR, error);
2983 SET_DO_SHOW(FORMAT, format);
2984 SET_DO_SHOW(FRAMES, frames);
2985 SET_DO_SHOW(LIBRARY_VERSIONS, library_versions);
2986 SET_DO_SHOW(PACKETS, packets);
2987 SET_DO_SHOW(PROGRAM_VERSION, program_version);
2988 SET_DO_SHOW(PROGRAMS, programs);
2989 SET_DO_SHOW(STREAMS, streams);
2990 SET_DO_SHOW(STREAM_DISPOSITION, stream_disposition);
2991 SET_DO_SHOW(PROGRAM_STREAM_DISPOSITION, stream_disposition);
2992
2993 SET_DO_SHOW(CHAPTER_TAGS, chapter_tags);
2994 SET_DO_SHOW(FORMAT_TAGS, format_tags);
2995 SET_DO_SHOW(FRAME_TAGS, frame_tags);
2996 SET_DO_SHOW(PROGRAM_TAGS, program_tags);
2997 SET_DO_SHOW(STREAM_TAGS, stream_tags);
2998
2999 if (do_bitexact && (do_show_program_version || do_show_library_versions)) {
3000 av_log(NULL, AV_LOG_ERROR,
3001 "-bitexact and -show_program_version or -show_library_versions "
3002 "options are incompatible\n");
3003 ret = AVERROR(EINVAL);
3004 goto end;
3005 }
3006
3007 writer_register_all();
3008
3009 if (!print_format)
3010 print_format = av_strdup("default");
3011 if (!print_format) {
3012 ret = AVERROR(ENOMEM);
3013 goto end;
3014 }
3015 w_name = av_strtok(print_format, "=", &buf);
3016 w_args = buf;
3017
3018 if (show_data_hash) {
3019 if ((ret = av_hash_alloc(&hash, show_data_hash)) < 0) {
3020 if (ret == AVERROR(EINVAL)) {
3021 const char *n;
3022 av_log(NULL, AV_LOG_ERROR,
3023 "Unknown hash algorithm '%s'\nKnown algorithms:",
3024 show_data_hash);
3025 for (i = 0; (n = av_hash_names(i)); i++)
3026 av_log(NULL, AV_LOG_ERROR, " %s", n);
3027 av_log(NULL, AV_LOG_ERROR, "\n");
3028 }
3029 goto end;
3030 }
3031 }
3032
3033 w = writer_get_by_name(w_name);
3034 if (!w) {
3035 av_log(NULL, AV_LOG_ERROR, "Unknown output format with name '%s'\n", w_name);
3036 ret = AVERROR(EINVAL);
3037 goto end;
3038 }
3039
3040 if ((ret = writer_open(&wctx, w, w_args,
3041 sections, FF_ARRAY_ELEMS(sections))) >= 0) {
3042 if (w == &xml_writer)
3043 wctx->string_validation_utf8_flags |= AV_UTF8_FLAG_EXCLUDE_XML_INVALID_CONTROL_CODES;
3044
3045 writer_print_section_header(wctx, SECTION_ID_ROOT);
3046
3047 if (do_show_program_version)
3048 ffprobe_show_program_version(wctx);
3049 if (do_show_library_versions)
3050 ffprobe_show_library_versions(wctx);
3051
3052 if (!input_filename &&
3053 ((do_show_format || do_show_programs || do_show_streams || do_show_chapters || do_show_packets || do_show_error) ||
3054 (!do_show_program_version && !do_show_library_versions))) {
3055 show_usage();
3056 av_log(NULL, AV_LOG_ERROR, "You have to specify one input file.\n");
3057 av_log(NULL, AV_LOG_ERROR, "Use -h to get full help or, even better, run 'man %s'.\n", program_name);
3058 ret = AVERROR(EINVAL);
3059 } else if (input_filename) {
3060 ret = probe_file(wctx, input_filename);
3061 if (ret < 0 && do_show_error)
3062 show_error(wctx, ret);
3063 }
3064
3065 writer_print_section_footer(wctx);
3066 writer_close(&wctx);
3067 }
3068
3069end:
3070 av_freep(&print_format);
3071 av_freep(&read_intervals);
3072 av_hash_freep(&hash);
3073
3074 uninit_opts();
3075 for (i = 0; i < FF_ARRAY_ELEMS(sections); i++)
3076 av_dict_free(&(sections[i].entries_to_show));
3077
3078 avformat_network_deinit();
3079
3080 return ret < 0;
3081}
ffmpeg Piment Noir Debian package repository