avconv: extend -r to work on any input stream.
[libav.git] / avprobe.c
CommitLineData
336ce917 1/*
9e12f0bf 2 * avprobe : Simple Media Prober based on the Libav libraries
336ce917
SS
3 * Copyright (c) 2007-2010 Stefano Sabatini
4 *
2912e87a 5 * This file is part of Libav.
336ce917 6 *
2912e87a 7 * Libav is free software; you can redistribute it and/or
336ce917
SS
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
2912e87a 12 * Libav is distributed in the hope that it will be useful,
336ce917
SS
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
2912e87a 18 * License along with Libav; if not, write to the Free Software
336ce917
SS
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
6ce98ea4
SS
22#include "config.h"
23
336ce917
SS
24#include "libavformat/avformat.h"
25#include "libavcodec/avcodec.h"
41d0eb1c 26#include "libavutil/opt.h"
336ce917 27#include "libavutil/pixdesc.h"
d2d67e42 28#include "libavutil/dict.h"
6ce98ea4 29#include "libavdevice/avdevice.h"
336ce917
SS
30#include "cmdutils.h"
31
9e12f0bf 32const char program_name[] = "avprobe";
336ce917
SS
33const int program_birth_year = 2007;
34
35static int do_show_format = 0;
08354bf4 36static AVDictionary *fmt_entries_to_show = NULL;
d8947523 37static int nb_fmt_entries_to_show;
530bbe96 38static int do_show_packets = 0;
336ce917
SS
39static int do_show_streams = 0;
40
41static int show_value_unit = 0;
42static int use_value_prefix = 0;
43static int use_byte_value_binary_prefix = 0;
44static int use_value_sexagesimal_format = 0;
45
46/* globals */
47static const OptionDef options[];
48
9e12f0bf 49/* AVprobe context */
336ce917 50static const char *input_filename;
1be784a2 51static AVInputFormat *iformat = NULL;
336ce917 52
b0f29db5
AC
53static const char *const binary_unit_prefixes [] = { "", "Ki", "Mi", "Gi", "Ti", "Pi" };
54static const char *const decimal_unit_prefixes[] = { "", "K" , "M" , "G" , "T" , "P" };
336ce917 55
b0f29db5
AC
56static const char unit_second_str[] = "s" ;
57static const char unit_hertz_str[] = "Hz" ;
58static const char unit_byte_str[] = "byte" ;
59static const char unit_bit_per_second_str[] = "bit/s";
336ce917 60
dad09ff9
AK
61void exit_program(int ret)
62{
08354bf4 63 av_dict_free(&fmt_entries_to_show);
dad09ff9
AK
64 exit(ret);
65}
66
3a8c95f7
LB
67/*
68 * The output is structured in array and objects that might contain items
69 * Array could require the objects within to not be named.
70 * Object could require the items within to be named.
71 *
72 * For flat representation the name of each section is saved on prefix so it
73 * can be rendered in order to represent nested structures (e.g. array of
74 * objects for the packets list).
75 *
76 * Within an array each element can need an unique identifier or an index.
77 *
78 * Nesting level is accounted separately.
79 */
80
81typedef enum {
82 ARRAY,
83 OBJECT
84} ProbeElementType;
85
86typedef struct {
87 const char *name;
88 ProbeElementType type;
89 int64_t index;
90 int64_t nb_elems;
91} ProbeElement;
92
93typedef struct {
94 ProbeElement *prefix;
95 int level;
96} OutputContext;
97
98static AVIOContext *probe_out = NULL;
99static OutputContext octx;
0d242a77 100#define AVP_INDENT() avio_printf(probe_out, "%*c", octx.level * 2, ' ')
3a8c95f7
LB
101
102/*
103 * Default format, INI
104 *
105 * - all key and values are utf8
106 * - '.' is the subgroup separator
107 * - newlines and the following characters are escaped
108 * - '\' is the escape character
109 * - '#' is the comment
110 * - '=' is the key/value separators
111 * - ':' is not used but usually parsed as key/value separator
112 */
113
114static void ini_print_header(void)
115{
116 avio_printf(probe_out, "# avprobe output\n\n");
117}
118static void ini_print_footer(void)
119{
120 avio_w8(probe_out, '\n');
121}
122
123static void ini_escape_print(const char *s)
124{
125 int i = 0;
126 char c = 0;
127
128 while (c = s[i++]) {
129 switch (c) {
130 case '\r': avio_printf(probe_out, "%s", "\\r"); break;
131 case '\n': avio_printf(probe_out, "%s", "\\n"); break;
132 case '\f': avio_printf(probe_out, "%s", "\\f"); break;
133 case '\b': avio_printf(probe_out, "%s", "\\b"); break;
134 case '\t': avio_printf(probe_out, "%s", "\\t"); break;
135 case '\\':
136 case '#' :
137 case '=' :
138 case ':' : avio_w8(probe_out, '\\');
139 default:
140 if ((unsigned char)c < 32)
141 avio_printf(probe_out, "\\x00%02x", c & 0xff);
142 else
143 avio_w8(probe_out, c);
144 break;
145 }
146 }
147}
148
149static void ini_print_array_header(const char *name)
150{
151 if (octx.prefix[octx.level -1].nb_elems)
152 avio_printf(probe_out, "\n");
153}
154
155static void ini_print_object_header(const char *name)
156{
157 int i;
158 ProbeElement *el = octx.prefix + octx.level -1;
159
160 if (el->nb_elems)
161 avio_printf(probe_out, "\n");
162
163 avio_printf(probe_out, "[");
164
165 for (i = 1; i < octx.level; i++) {
166 el = octx.prefix + i;
167 avio_printf(probe_out, "%s.", el->name);
168 if (el->index >= 0)
169 avio_printf(probe_out, "%"PRId64".", el->index);
170 }
171
172 avio_printf(probe_out, "%s", name);
173 if (el && el->type == ARRAY)
174 avio_printf(probe_out, ".%"PRId64"", el->nb_elems);
175 avio_printf(probe_out, "]\n");
176}
177
178static void ini_print_integer(const char *key, int64_t value)
179{
180 ini_escape_print(key);
181 avio_printf(probe_out, "=%"PRId64"\n", value);
182}
183
184
185static void ini_print_string(const char *key, const char *value)
186{
187 ini_escape_print(key);
188 avio_printf(probe_out, "=");
189 ini_escape_print(value);
190 avio_w8(probe_out, '\n');
191}
192
193/*
0d242a77
LB
194 * Alternate format, JSON
195 */
196
197static void json_print_header(void)
198{
199 avio_printf(probe_out, "{");
200}
201static void json_print_footer(void)
202{
203 avio_printf(probe_out, "}\n");
204}
205
206static void json_print_array_header(const char *name)
207{
208 if (octx.prefix[octx.level -1].nb_elems)
209 avio_printf(probe_out, ",\n");
210 AVP_INDENT();
211 avio_printf(probe_out, "\"%s\" : ", name);
212 avio_printf(probe_out, "[\n");
213}
214
215static void json_print_array_footer(const char *name)
216{
217 avio_printf(probe_out, "\n");
218 AVP_INDENT();
219 avio_printf(probe_out, "]");
220}
221
222static void json_print_object_header(const char *name)
223{
224 if (octx.prefix[octx.level -1].nb_elems)
225 avio_printf(probe_out, ",\n");
226 AVP_INDENT();
227 if (octx.prefix[octx.level -1].type == OBJECT)
228 avio_printf(probe_out, "\"%s\" : ", name);
229 avio_printf(probe_out, "{\n");
230}
231
232static void json_print_object_footer(const char *name)
233{
234 avio_printf(probe_out, "\n");
235 AVP_INDENT();
236 avio_printf(probe_out, "}");
237}
238
239static void json_print_integer(const char *key, int64_t value)
240{
241 if (octx.prefix[octx.level -1].nb_elems)
242 avio_printf(probe_out, ",\n");
243 AVP_INDENT();
244 avio_printf(probe_out, "\"%s\" : %"PRId64"", key, value);
245}
246
247static void json_escape_print(const char *s)
248{
249 int i = 0;
250 char c = 0;
251
252 while (c = s[i++]) {
253 switch (c) {
254 case '\r': avio_printf(probe_out, "%s", "\\r"); break;
255 case '\n': avio_printf(probe_out, "%s", "\\n"); break;
256 case '\f': avio_printf(probe_out, "%s", "\\f"); break;
257 case '\b': avio_printf(probe_out, "%s", "\\b"); break;
258 case '\t': avio_printf(probe_out, "%s", "\\t"); break;
259 case '\\':
260 case '"' : avio_w8(probe_out, '\\');
261 default:
262 if ((unsigned char)c < 32)
263 avio_printf(probe_out, "\\u00%02x", c & 0xff);
264 else
265 avio_w8(probe_out, c);
266 break;
267 }
268 }
269}
270
271static void json_print_string(const char *key, const char *value)
272{
273 if (octx.prefix[octx.level -1].nb_elems)
274 avio_printf(probe_out, ",\n");
275 AVP_INDENT();
276 avio_w8(probe_out, '\"');
277 json_escape_print(key);
278 avio_printf(probe_out, "\" : \"");
279 json_escape_print(value);
280 avio_w8(probe_out, '\"');
281}
282
283/*
8271f55b
AK
284 * old-style pseudo-INI
285 */
286static void old_print_object_header(const char *name)
287{
288 char *str, *p;
289
290 if (!strcmp(name, "tags"))
291 return;
292
293 str = p = av_strdup(name);
294 while (*p) {
295 *p = toupper(*p);
296 p++;
297 }
298
299 avio_printf(probe_out, "[%s]\n", str);
300 av_freep(&str);
301}
302
303static void old_print_object_footer(const char *name)
304{
305 char *str, *p;
306
307 if (!strcmp(name, "tags"))
308 return;
309
310 str = p = av_strdup(name);
311 while (*p) {
312 *p = toupper(*p);
313 p++;
314 }
315
316 avio_printf(probe_out, "[/%s]\n", str);
317 av_freep(&str);
318}
319
320static void old_print_string(const char *key, const char *value)
321{
322 if (!strcmp(octx.prefix[octx.level - 1].name, "tags"))
323 avio_printf(probe_out, "TAG:");
324 ini_print_string(key, value);
325}
326
327/*
3a8c95f7
LB
328 * Simple Formatter for single entries.
329 */
330
331static void show_format_entry_integer(const char *key, int64_t value)
332{
333 if (key && av_dict_get(fmt_entries_to_show, key, NULL, 0)) {
334 if (nb_fmt_entries_to_show > 1)
335 avio_printf(probe_out, "%s=", key);
336 avio_printf(probe_out, "%"PRId64"\n", value);
337 }
338}
339
340static void show_format_entry_string(const char *key, const char *value)
341{
342 if (key && av_dict_get(fmt_entries_to_show, key, NULL, 0)) {
343 if (nb_fmt_entries_to_show > 1)
344 avio_printf(probe_out, "%s=", key);
345 avio_printf(probe_out, "%s\n", value);
346 }
347}
348
349
350void (*print_header)(void) = ini_print_header;
351void (*print_footer)(void) = ini_print_footer;
352
353void (*print_array_header) (const char *name) = ini_print_array_header;
354void (*print_array_footer) (const char *name);
355void (*print_object_header)(const char *name) = ini_print_object_header;
356void (*print_object_footer)(const char *name);
357
358void (*print_integer) (const char *key, int64_t value) = ini_print_integer;
359void (*print_string) (const char *key, const char *value) = ini_print_string;
360
361
362static void probe_group_enter(const char *name, int type)
363{
364 int64_t count = -1;
365
366 octx.prefix =
367 av_realloc(octx.prefix, sizeof(ProbeElement) * (octx.level + 1));
368
369 if (!octx.prefix || !name) {
370 fprintf(stderr, "Out of memory\n");
371 exit(1);
372 }
373
374 if (octx.level) {
375 ProbeElement *parent = octx.prefix + octx.level -1;
376 if (parent->type == ARRAY)
377 count = parent->nb_elems;
378 parent->nb_elems++;
379 }
380
381 octx.prefix[octx.level++] = (ProbeElement){name, type, count, 0};
382}
383
384static void probe_group_leave(void)
385{
386 --octx.level;
387}
388
389static void probe_header(void)
390{
391 if (print_header)
392 print_header();
393 probe_group_enter("root", OBJECT);
394}
395
396static void probe_footer(void)
397{
398 if (print_footer)
399 print_footer();
400 probe_group_leave();
401}
402
403
404static void probe_array_header(const char *name)
405{
406 if (print_array_header)
407 print_array_header(name);
408
409 probe_group_enter(name, ARRAY);
410}
411
412static void probe_array_footer(const char *name)
413{
414 probe_group_leave();
415 if (print_array_footer)
416 print_array_footer(name);
417}
418
419static void probe_object_header(const char *name)
420{
421 if (print_object_header)
422 print_object_header(name);
423
424 probe_group_enter(name, OBJECT);
425}
426
427static void probe_object_footer(const char *name)
428{
429 probe_group_leave();
430 if (print_object_footer)
431 print_object_footer(name);
432}
433
434static void probe_int(const char *key, int64_t value)
435{
436 print_integer(key, value);
437 octx.prefix[octx.level -1].nb_elems++;
438}
439
440static void probe_str(const char *key, const char *value)
441{
442 print_string(key, value);
443 octx.prefix[octx.level -1].nb_elems++;
444}
445
446static void probe_dict(AVDictionary *dict, const char *name)
447{
448 AVDictionaryEntry *entry = NULL;
449 if (!dict)
450 return;
451 probe_object_header(name);
452 while ((entry = av_dict_get(dict, "", entry, AV_DICT_IGNORE_SUFFIX))) {
453 probe_str(entry->key, entry->value);
454 }
455 probe_object_footer(name);
456}
457
336ce917
SS
458static char *value_string(char *buf, int buf_size, double val, const char *unit)
459{
460 if (unit == unit_second_str && use_value_sexagesimal_format) {
461 double secs;
462 int hours, mins;
463 secs = val;
464 mins = (int)secs / 60;
465 secs = secs - mins * 60;
466 hours = mins / 60;
467 mins %= 60;
468 snprintf(buf, buf_size, "%d:%02d:%09.6f", hours, mins, secs);
469 } else if (use_value_prefix) {
470 const char *prefix_string;
471 int index;
472
473 if (unit == unit_byte_str && use_byte_value_binary_prefix) {
f1b267dd 474 index = (int) (log(val)/log(2)) / 10;
0184bbe2
GN
475 index = av_clip(index, 0, FF_ARRAY_ELEMS(binary_unit_prefixes) - 1);
476 val /= pow(2, index * 10);
336ce917
SS
477 prefix_string = binary_unit_prefixes[index];
478 } else {
479 index = (int) (log10(val)) / 3;
0184bbe2
GN
480 index = av_clip(index, 0, FF_ARRAY_ELEMS(decimal_unit_prefixes) - 1);
481 val /= pow(10, index * 3);
336ce917
SS
482 prefix_string = decimal_unit_prefixes[index];
483 }
beb33fca
LB
484 snprintf(buf, buf_size, "%.*f%s%s",
485 index ? 3 : 0, val,
486 prefix_string,
0184bbe2 487 show_value_unit ? unit : "");
336ce917 488 } else {
beb33fca 489 snprintf(buf, buf_size, "%f%s", val, show_value_unit ? unit : "");
336ce917
SS
490 }
491
492 return buf;
493}
494
0184bbe2
GN
495static char *time_value_string(char *buf, int buf_size, int64_t val,
496 const AVRational *time_base)
336ce917
SS
497{
498 if (val == AV_NOPTS_VALUE) {
499 snprintf(buf, buf_size, "N/A");
500 } else {
501 value_string(buf, buf_size, val * av_q2d(*time_base), unit_second_str);
502 }
503
504 return buf;
505}
506
3a8c95f7 507static char *ts_value_string(char *buf, int buf_size, int64_t ts)
530bbe96
SS
508{
509 if (ts == AV_NOPTS_VALUE) {
510 snprintf(buf, buf_size, "N/A");
511 } else {
512 snprintf(buf, buf_size, "%"PRId64, ts);
513 }
514
515 return buf;
516}
517
3a8c95f7
LB
518static char *rational_string(char *buf, int buf_size, const char *sep,
519 const AVRational *rat)
520{
521 snprintf(buf, buf_size, "%d%s%d", rat->num, sep, rat->den);
522 return buf;
523}
524
525static char *tag_string(char *buf, int buf_size, int tag)
526{
527 snprintf(buf, buf_size, "0x%04x", tag);
528 return buf;
529}
530
531
532
72415b2a 533static const char *media_type_string(enum AVMediaType media_type)
336ce917 534{
72415b2a
SS
535 switch (media_type) {
536 case AVMEDIA_TYPE_VIDEO: return "video";
537 case AVMEDIA_TYPE_AUDIO: return "audio";
538 case AVMEDIA_TYPE_DATA: return "data";
539 case AVMEDIA_TYPE_SUBTITLE: return "subtitle";
540 case AVMEDIA_TYPE_ATTACHMENT: return "attachment";
336ce917
SS
541 default: return "unknown";
542 }
543}
544
530bbe96
SS
545static void show_packet(AVFormatContext *fmt_ctx, AVPacket *pkt)
546{
547 char val_str[128];
548 AVStream *st = fmt_ctx->streams[pkt->stream_index];
549
3a8c95f7
LB
550 probe_object_header("packet");
551 probe_str("codec_type", media_type_string(st->codec->codec_type));
552 probe_int("stream_index", pkt->stream_index);
553 probe_str("pts", ts_value_string(val_str, sizeof(val_str), pkt->pts));
554 probe_str("pts_time", time_value_string(val_str, sizeof(val_str),
555 pkt->pts, &st->time_base));
556 probe_str("dts", ts_value_string(val_str, sizeof(val_str), pkt->dts));
557 probe_str("dts_time", time_value_string(val_str, sizeof(val_str),
558 pkt->dts, &st->time_base));
559 probe_str("duration", ts_value_string(val_str, sizeof(val_str),
560 pkt->duration));
561 probe_str("duration_time", time_value_string(val_str, sizeof(val_str),
562 pkt->duration,
563 &st->time_base));
564 probe_str("size", value_string(val_str, sizeof(val_str),
565 pkt->size, unit_byte_str));
566 probe_int("pos", pkt->pos);
567 probe_str("flags", pkt->flags & AV_PKT_FLAG_KEY ? "K" : "_");
568 probe_object_footer("packet");
530bbe96
SS
569}
570
571static void show_packets(AVFormatContext *fmt_ctx)
572{
573 AVPacket pkt;
574
575 av_init_packet(&pkt);
3a8c95f7 576 probe_array_header("packets");
530bbe96
SS
577 while (!av_read_frame(fmt_ctx, &pkt))
578 show_packet(fmt_ctx, &pkt);
3a8c95f7 579 probe_array_footer("packets");
530bbe96
SS
580}
581
336ce917
SS
582static void show_stream(AVFormatContext *fmt_ctx, int stream_idx)
583{
584 AVStream *stream = fmt_ctx->streams[stream_idx];
585 AVCodecContext *dec_ctx;
586 AVCodec *dec;
b1d22dc5 587 const char *profile;
336ce917 588 char val_str[128];
d21b2278 589 AVRational display_aspect_ratio;
336ce917 590
3a8c95f7 591 probe_object_header("stream");
336ce917 592
3a8c95f7 593 probe_int("index", stream->index);
336ce917
SS
594
595 if ((dec_ctx = stream->codec)) {
596 if ((dec = dec_ctx->codec)) {
3a8c95f7
LB
597 probe_str("codec_name", dec->name);
598 probe_str("codec_long_name", dec->long_name);
336ce917 599 } else {
3a8c95f7 600 probe_str("codec_name", "unknown");
336ce917
SS
601 }
602
3a8c95f7
LB
603 probe_str("codec_type", media_type_string(dec_ctx->codec_type));
604 probe_str("codec_time_base",
605 rational_string(val_str, sizeof(val_str),
606 "/", &dec_ctx->time_base));
336ce917
SS
607
608 /* print AVI/FourCC tag */
7e566bbe 609 av_get_codec_tag_string(val_str, sizeof(val_str), dec_ctx->codec_tag);
3a8c95f7
LB
610 probe_str("codec_tag_string", val_str);
611 probe_str("codec_tag", tag_string(val_str, sizeof(val_str),
612 dec_ctx->codec_tag));
336ce917 613
b1d22dc5
CS
614 /* print profile, if there is one */
615 if (dec && (profile = av_get_profile_name(dec, dec_ctx->profile)))
616 probe_str("profile", profile);
617
336ce917 618 switch (dec_ctx->codec_type) {
72415b2a 619 case AVMEDIA_TYPE_VIDEO:
3a8c95f7
LB
620 probe_int("width", dec_ctx->width);
621 probe_int("height", dec_ctx->height);
622 probe_int("has_b_frames", dec_ctx->has_b_frames);
8280e2bd 623 if (dec_ctx->sample_aspect_ratio.num) {
3a8c95f7
LB
624 probe_str("sample_aspect_ratio",
625 rational_string(val_str, sizeof(val_str), ":",
626 &dec_ctx->sample_aspect_ratio));
441881b4
SS
627 av_reduce(&display_aspect_ratio.num, &display_aspect_ratio.den,
628 dec_ctx->width * dec_ctx->sample_aspect_ratio.num,
629 dec_ctx->height * dec_ctx->sample_aspect_ratio.den,
630 1024*1024);
3a8c95f7
LB
631 probe_str("display_aspect_ratio",
632 rational_string(val_str, sizeof(val_str), ":",
633 &display_aspect_ratio));
8280e2bd 634 }
3a8c95f7
LB
635 probe_str("pix_fmt",
636 dec_ctx->pix_fmt != PIX_FMT_NONE ? av_pix_fmt_descriptors[dec_ctx->pix_fmt].name
0184bbe2 637 : "unknown");
3a8c95f7 638 probe_int("level", dec_ctx->level);
336ce917
SS
639 break;
640
72415b2a 641 case AVMEDIA_TYPE_AUDIO:
3a8c95f7
LB
642 probe_str("sample_rate",
643 value_string(val_str, sizeof(val_str),
644 dec_ctx->sample_rate,
645 unit_hertz_str));
646 probe_int("channels", dec_ctx->channels);
647 probe_int("bits_per_sample",
648 av_get_bits_per_sample(dec_ctx->codec_id));
336ce917
SS
649 break;
650 }
651 } else {
3a8c95f7 652 probe_str("codec_type", "unknown");
336ce917
SS
653 }
654
655 if (fmt_ctx->iformat->flags & AVFMT_SHOW_IDS)
3a8c95f7
LB
656 probe_int("id", stream->id);
657 probe_str("r_frame_rate",
658 rational_string(val_str, sizeof(val_str), "/",
659 &stream->r_frame_rate));
660 probe_str("avg_frame_rate",
661 rational_string(val_str, sizeof(val_str), "/",
662 &stream->avg_frame_rate));
663 probe_str("time_base",
664 rational_string(val_str, sizeof(val_str), "/",
665 &stream->time_base));
666 probe_str("start_time",
667 time_value_string(val_str, sizeof(val_str),
668 stream->start_time, &stream->time_base));
669 probe_str("duration",
670 time_value_string(val_str, sizeof(val_str),
671 stream->duration, &stream->time_base));
0a6a282a 672 if (stream->nb_frames)
3a8c95f7 673 probe_int("nb_frames", stream->nb_frames);
336ce917 674
3a8c95f7 675 probe_dict(stream->metadata, "tags");
336ce917 676
3a8c95f7 677 probe_object_footer("stream");
08354bf4
RB
678}
679
336ce917
SS
680static void show_format(AVFormatContext *fmt_ctx)
681{
336ce917 682 char val_str[128];
136ee32d 683 int64_t size = fmt_ctx->pb ? avio_size(fmt_ctx->pb) : -1;
336ce917 684
3a8c95f7
LB
685 probe_object_header("format");
686 probe_str("filename", fmt_ctx->filename);
687 probe_int("nb_streams", fmt_ctx->nb_streams);
688 probe_str("format_name", fmt_ctx->iformat->name);
689 probe_str("format_long_name", fmt_ctx->iformat->long_name);
690 probe_str("start_time",
08354bf4
RB
691 time_value_string(val_str, sizeof(val_str),
692 fmt_ctx->start_time, &AV_TIME_BASE_Q));
3a8c95f7 693 probe_str("duration",
08354bf4
RB
694 time_value_string(val_str, sizeof(val_str),
695 fmt_ctx->duration, &AV_TIME_BASE_Q));
3a8c95f7 696 probe_str("size",
08354bf4
RB
697 size >= 0 ? value_string(val_str, sizeof(val_str),
698 size, unit_byte_str)
0184bbe2 699 : "unknown");
3a8c95f7 700 probe_str("bit_rate",
08354bf4
RB
701 value_string(val_str, sizeof(val_str),
702 fmt_ctx->bit_rate, unit_bit_per_second_str));
0184bbe2 703
3a8c95f7 704 probe_dict(fmt_ctx->metadata, "tags");
336ce917 705
3a8c95f7 706 probe_object_footer("format");
336ce917
SS
707}
708
709static int open_input_file(AVFormatContext **fmt_ctx_ptr, const char *filename)
710{
711 int err, i;
e0518705
AK
712 AVFormatContext *fmt_ctx = NULL;
713 AVDictionaryEntry *t;
336ce917 714
0184bbe2
GN
715 if ((err = avformat_open_input(&fmt_ctx, filename,
716 iformat, &format_opts)) < 0) {
336ce917
SS
717 print_error(filename, err);
718 return err;
719 }
e0518705
AK
720 if ((t = av_dict_get(format_opts, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
721 av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
722 return AVERROR_OPTION_NOT_FOUND;
723 }
724
336ce917
SS
725
726 /* fill the streams in the format context */
c960e67a 727 if ((err = avformat_find_stream_info(fmt_ctx, NULL)) < 0) {
336ce917
SS
728 print_error(filename, err);
729 return err;
730 }
731
610219a5 732 av_dump_format(fmt_ctx, 0, filename, 0);
336ce917
SS
733
734 /* bind a decoder to each input stream */
735 for (i = 0; i < fmt_ctx->nb_streams; i++) {
736 AVStream *stream = fmt_ctx->streams[i];
737 AVCodec *codec;
738
739 if (!(codec = avcodec_find_decoder(stream->codec->codec_id))) {
0184bbe2
GN
740 fprintf(stderr,
741 "Unsupported codec with id %d for input stream %d\n",
336ce917 742 stream->codec->codec_id, stream->index);
0b950fe2 743 } else if (avcodec_open2(stream->codec, codec, NULL) < 0) {
336ce917
SS
744 fprintf(stderr, "Error while opening codec for input stream %d\n",
745 stream->index);
746 }
747 }
748
749 *fmt_ctx_ptr = fmt_ctx;
750 return 0;
751}
752
093c50a4
JG
753static void close_input_file(AVFormatContext **ctx_ptr)
754{
755 int i;
756 AVFormatContext *fmt_ctx = *ctx_ptr;
757
758 /* close decoder for each stream */
759 for (i = 0; i < fmt_ctx->nb_streams; i++) {
760 AVStream *stream = fmt_ctx->streams[i];
761
762 avcodec_close(stream->codec);
763 }
764 avformat_close_input(ctx_ptr);
765}
766
336ce917
SS
767static int probe_file(const char *filename)
768{
769 AVFormatContext *fmt_ctx;
770 int ret, i;
771
772 if ((ret = open_input_file(&fmt_ctx, filename)))
773 return ret;
774
3a8c95f7
LB
775 if (do_show_format)
776 show_format(fmt_ctx);
530bbe96 777
3a8c95f7
LB
778 if (do_show_streams) {
779 probe_array_header("streams");
336ce917
SS
780 for (i = 0; i < fmt_ctx->nb_streams; i++)
781 show_stream(fmt_ctx, i);
3a8c95f7
LB
782 probe_array_footer("streams");
783 }
336ce917 784
3a8c95f7
LB
785 if (do_show_packets)
786 show_packets(fmt_ctx);
336ce917 787
093c50a4 788 close_input_file(&fmt_ctx);
336ce917
SS
789 return 0;
790}
791
792static void show_usage(void)
793{
794 printf("Simple multimedia streams analyzer\n");
9e12f0bf 795 printf("usage: %s [OPTIONS] [INPUT_FILE]\n", program_name);
336ce917
SS
796 printf("\n");
797}
798
26513856 799static int opt_format(const char *opt, const char *arg)
1be784a2
SS
800{
801 iformat = av_find_input_format(arg);
802 if (!iformat) {
803 fprintf(stderr, "Unknown input format: %s\n", arg);
26513856 804 return AVERROR(EINVAL);
1be784a2 805 }
26513856 806 return 0;
1be784a2
SS
807}
808
70026be8 809static int opt_output_format(const char *opt, const char *arg)
0d242a77
LB
810{
811
812 if (!strcmp(arg, "json")) {
813 print_header = json_print_header;
814 print_footer = json_print_footer;
815 print_array_header = json_print_array_header;
816 print_array_footer = json_print_array_footer;
817 print_object_header = json_print_object_header;
818 print_object_footer = json_print_object_footer;
819
820 print_integer = json_print_integer;
821 print_string = json_print_string;
d30acfa9 822 } else if (!strcmp(arg, "ini")) {
0d242a77
LB
823 print_header = ini_print_header;
824 print_footer = ini_print_footer;
825 print_array_header = ini_print_array_header;
826 print_object_header = ini_print_object_header;
827
828 print_integer = ini_print_integer;
829 print_string = ini_print_string;
8271f55b
AK
830 } else if (!strcmp(arg, "old")) {
831 print_header = NULL;
832 print_object_header = old_print_object_header;
833 print_object_footer = old_print_object_footer;
834
835 print_string = old_print_string;
0d242a77
LB
836 } else {
837 av_log(NULL, AV_LOG_ERROR, "Unsupported formatter %s\n", arg);
70026be8 838 return AVERROR(EINVAL);
0d242a77 839 }
70026be8 840 return 0;
0d242a77
LB
841}
842
08354bf4
RB
843static int opt_show_format_entry(const char *opt, const char *arg)
844{
845 do_show_format = 1;
d8947523 846 nb_fmt_entries_to_show++;
3a8c95f7
LB
847 print_header = NULL;
848 print_footer = NULL;
849 print_array_header = NULL;
850 print_array_footer = NULL;
851 print_object_header = NULL;
852 print_object_footer = NULL;
853
854 print_integer = show_format_entry_integer;
855 print_string = show_format_entry_string;
08354bf4
RB
856 av_dict_set(&fmt_entries_to_show, arg, "", 0);
857 return 0;
858}
859
7cc8d638 860static void opt_input_file(void *optctx, const char *arg)
336ce917 861{
c8c0ac6b 862 if (input_filename) {
0184bbe2
GN
863 fprintf(stderr,
864 "Argument '%s' provided as input filename, but '%s' was already specified.\n",
58621b8d 865 arg, input_filename);
c8c0ac6b
RP
866 exit(1);
867 }
912dd63e
SS
868 if (!strcmp(arg, "-"))
869 arg = "pipe:";
870 input_filename = arg;
336ce917
SS
871}
872
873static void show_help(void)
874{
6afd569e 875 av_log_set_callback(log_callback_help);
336ce917
SS
876 show_usage();
877 show_help_options(options, "Main options:\n", 0, 0);
878 printf("\n");
7a6cd995 879 show_help_children(avformat_get_class(), AV_OPT_FLAG_DECODING_PARAM);
336ce917
SS
880}
881
882static void opt_pretty(void)
883{
884 show_value_unit = 1;
885 use_value_prefix = 1;
886 use_byte_value_binary_prefix = 1;
887 use_value_sexagesimal_format = 1;
888}
889
890static const OptionDef options[] = {
891#include "cmdutils_common_opts.h"
1be784a2 892 { "f", HAS_ARG, {(void*)opt_format}, "force format", "format" },
0d242a77 893 { "of", HAS_ARG, {(void*)&opt_output_format}, "output the document either as ini or json", "output_format" },
0184bbe2
GN
894 { "unit", OPT_BOOL, {(void*)&show_value_unit},
895 "show unit of the displayed values" },
896 { "prefix", OPT_BOOL, {(void*)&use_value_prefix},
897 "use SI prefixes for the displayed values" },
336ce917
SS
898 { "byte_binary_prefix", OPT_BOOL, {(void*)&use_byte_value_binary_prefix},
899 "use binary prefixes for byte units" },
900 { "sexagesimal", OPT_BOOL, {(void*)&use_value_sexagesimal_format},
901 "use sexagesimal format HOURS:MM:SS.MICROSECONDS for time units" },
902 { "pretty", 0, {(void*)&opt_pretty},
903 "prettify the format of displayed values, make it more human readable" },
904 { "show_format", OPT_BOOL, {(void*)&do_show_format} , "show format/container info" },
08354bf4
RB
905 { "show_format_entry", HAS_ARG, {(void*)opt_show_format_entry},
906 "show a particular entry from the format/container info", "entry" },
530bbe96 907 { "show_packets", OPT_BOOL, {(void*)&do_show_packets}, "show packets info" },
818636ec 908 { "show_streams", OPT_BOOL, {(void*)&do_show_streams}, "show streams info" },
0184bbe2
GN
909 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default},
910 "generic catch all option", "" },
336ce917
SS
911 { NULL, },
912};
913
3a8c95f7
LB
914static int probe_buf_write(void *opaque, uint8_t *buf, int buf_size)
915{
916 printf("%.*s", buf_size, buf);
917 return 0;
918}
919
920#define AVP_BUFFSIZE 4096
921
336ce917
SS
922int main(int argc, char **argv)
923{
6afd569e 924 int ret;
3a8c95f7
LB
925 uint8_t *buffer = av_malloc(AVP_BUFFSIZE);
926
927 if (!buffer)
928 exit(1);
6afd569e 929
182cbe43 930 parse_loglevel(argc, argv, options);
336ce917 931 av_register_all();
776f2bb9 932 avformat_network_init();
c558122e 933 init_opts();
6ce98ea4
SS
934#if CONFIG_AVDEVICE
935 avdevice_register_all();
936#endif
336ce917
SS
937
938 show_banner();
7cc8d638 939 parse_options(NULL, argc, argv, options, opt_input_file);
336ce917
SS
940
941 if (!input_filename) {
942 show_usage();
943 fprintf(stderr, "You have to specify one input file.\n");
0184bbe2
GN
944 fprintf(stderr,
945 "Use -h to get full help or, even better, run 'man %s'.\n",
946 program_name);
336ce917
SS
947 exit(1);
948 }
949
3a8c95f7
LB
950 probe_out = avio_alloc_context(buffer, AVP_BUFFSIZE, 1, NULL, NULL,
951 probe_buf_write, NULL);
952 if (!probe_out)
953 exit(1);
6afd569e 954
3a8c95f7
LB
955 probe_header();
956 ret = probe_file(input_filename);
957 probe_footer();
958 avio_flush(probe_out);
959 avio_close(probe_out);
31f2c023 960
776f2bb9
MS
961 avformat_network_deinit();
962
6afd569e 963 return ret;
336ce917 964}