AVOptions: cosmetics, move and rename static av_set_number().
[libav.git] / avprobe.c
CommitLineData
336ce917 1/*
9e12f0bf 2 * avprobe : Simple Media Prober based on the Libav libraries
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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
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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,
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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
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19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
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22#include "config.h"
23
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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"
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30#include "cmdutils.h"
31
9e12f0bf 32const char program_name[] = "avprobe";
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33const int program_birth_year = 2007;
34
35static int do_show_format = 0;
530bbe96 36static int do_show_packets = 0;
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37static int do_show_streams = 0;
38
39static int show_value_unit = 0;
40static int use_value_prefix = 0;
41static int use_byte_value_binary_prefix = 0;
42static int use_value_sexagesimal_format = 0;
43
44/* globals */
45static const OptionDef options[];
46
9e12f0bf 47/* AVprobe context */
336ce917 48static const char *input_filename;
1be784a2 49static AVInputFormat *iformat = NULL;
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50
51static const char *binary_unit_prefixes [] = { "", "Ki", "Mi", "Gi", "Ti", "Pi" };
52static const char *decimal_unit_prefixes[] = { "", "K" , "M" , "G" , "T" , "P" };
53
54static const char *unit_second_str = "s" ;
55static const char *unit_hertz_str = "Hz" ;
56static const char *unit_byte_str = "byte" ;
57static const char *unit_bit_per_second_str = "bit/s";
58
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59void exit_program(int ret)
60{
61 exit(ret);
62}
63
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64static char *value_string(char *buf, int buf_size, double val, const char *unit)
65{
66 if (unit == unit_second_str && use_value_sexagesimal_format) {
67 double secs;
68 int hours, mins;
69 secs = val;
70 mins = (int)secs / 60;
71 secs = secs - mins * 60;
72 hours = mins / 60;
73 mins %= 60;
74 snprintf(buf, buf_size, "%d:%02d:%09.6f", hours, mins, secs);
75 } else if (use_value_prefix) {
76 const char *prefix_string;
77 int index;
78
79 if (unit == unit_byte_str && use_byte_value_binary_prefix) {
f1b267dd 80 index = (int) (log(val)/log(2)) / 10;
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81 index = av_clip(index, 0, FF_ARRAY_ELEMS(binary_unit_prefixes) -1);
82 val /= pow(2, index*10);
83 prefix_string = binary_unit_prefixes[index];
84 } else {
85 index = (int) (log10(val)) / 3;
86 index = av_clip(index, 0, FF_ARRAY_ELEMS(decimal_unit_prefixes) -1);
87 val /= pow(10, index*3);
88 prefix_string = decimal_unit_prefixes[index];
89 }
90
91 snprintf(buf, buf_size, "%.3f %s%s", val, prefix_string, show_value_unit ? unit : "");
92 } else {
93 snprintf(buf, buf_size, "%f %s", val, show_value_unit ? unit : "");
94 }
95
96 return buf;
97}
98
99static char *time_value_string(char *buf, int buf_size, int64_t val, const AVRational *time_base)
100{
101 if (val == AV_NOPTS_VALUE) {
102 snprintf(buf, buf_size, "N/A");
103 } else {
104 value_string(buf, buf_size, val * av_q2d(*time_base), unit_second_str);
105 }
106
107 return buf;
108}
109
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110static char *ts_value_string (char *buf, int buf_size, int64_t ts)
111{
112 if (ts == AV_NOPTS_VALUE) {
113 snprintf(buf, buf_size, "N/A");
114 } else {
115 snprintf(buf, buf_size, "%"PRId64, ts);
116 }
117
118 return buf;
119}
120
72415b2a 121static const char *media_type_string(enum AVMediaType media_type)
336ce917 122{
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123 switch (media_type) {
124 case AVMEDIA_TYPE_VIDEO: return "video";
125 case AVMEDIA_TYPE_AUDIO: return "audio";
126 case AVMEDIA_TYPE_DATA: return "data";
127 case AVMEDIA_TYPE_SUBTITLE: return "subtitle";
128 case AVMEDIA_TYPE_ATTACHMENT: return "attachment";
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129 default: return "unknown";
130 }
131}
132
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133static void show_packet(AVFormatContext *fmt_ctx, AVPacket *pkt)
134{
135 char val_str[128];
136 AVStream *st = fmt_ctx->streams[pkt->stream_index];
137
138 printf("[PACKET]\n");
139 printf("codec_type=%s\n" , media_type_string(st->codec->codec_type));
140 printf("stream_index=%d\n" , pkt->stream_index);
141 printf("pts=%s\n" , ts_value_string (val_str, sizeof(val_str), pkt->pts));
142 printf("pts_time=%s\n" , time_value_string(val_str, sizeof(val_str), pkt->pts, &st->time_base));
143 printf("dts=%s\n" , ts_value_string (val_str, sizeof(val_str), pkt->dts));
144 printf("dts_time=%s\n" , time_value_string(val_str, sizeof(val_str), pkt->dts, &st->time_base));
145 printf("duration=%s\n" , ts_value_string (val_str, sizeof(val_str), pkt->duration));
146 printf("duration_time=%s\n", time_value_string(val_str, sizeof(val_str), pkt->duration, &st->time_base));
147 printf("size=%s\n" , value_string (val_str, sizeof(val_str), pkt->size, unit_byte_str));
148 printf("pos=%"PRId64"\n" , pkt->pos);
149 printf("flags=%c\n" , pkt->flags & AV_PKT_FLAG_KEY ? 'K' : '_');
150 printf("[/PACKET]\n");
151}
152
153static void show_packets(AVFormatContext *fmt_ctx)
154{
155 AVPacket pkt;
156
157 av_init_packet(&pkt);
158
159 while (!av_read_frame(fmt_ctx, &pkt))
160 show_packet(fmt_ctx, &pkt);
161}
162
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163static void show_stream(AVFormatContext *fmt_ctx, int stream_idx)
164{
165 AVStream *stream = fmt_ctx->streams[stream_idx];
166 AVCodecContext *dec_ctx;
167 AVCodec *dec;
168 char val_str[128];
d2d67e42 169 AVDictionaryEntry *tag = NULL;
d21b2278 170 AVRational display_aspect_ratio;
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171
172 printf("[STREAM]\n");
173
174 printf("index=%d\n", stream->index);
175
176 if ((dec_ctx = stream->codec)) {
177 if ((dec = dec_ctx->codec)) {
178 printf("codec_name=%s\n", dec->name);
179 printf("codec_long_name=%s\n", dec->long_name);
180 } else {
181 printf("codec_name=unknown\n");
182 }
183
72415b2a 184 printf("codec_type=%s\n", media_type_string(dec_ctx->codec_type));
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185 printf("codec_time_base=%d/%d\n", dec_ctx->time_base.num, dec_ctx->time_base.den);
186
187 /* print AVI/FourCC tag */
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188 av_get_codec_tag_string(val_str, sizeof(val_str), dec_ctx->codec_tag);
189 printf("codec_tag_string=%s\n", val_str);
190 printf("codec_tag=0x%04x\n", dec_ctx->codec_tag);
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191
192 switch (dec_ctx->codec_type) {
72415b2a 193 case AVMEDIA_TYPE_VIDEO:
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194 printf("width=%d\n", dec_ctx->width);
195 printf("height=%d\n", dec_ctx->height);
196 printf("has_b_frames=%d\n", dec_ctx->has_b_frames);
8280e2bd 197 if (dec_ctx->sample_aspect_ratio.num) {
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198 printf("sample_aspect_ratio=%d:%d\n", dec_ctx->sample_aspect_ratio.num,
199 dec_ctx->sample_aspect_ratio.den);
200 av_reduce(&display_aspect_ratio.num, &display_aspect_ratio.den,
201 dec_ctx->width * dec_ctx->sample_aspect_ratio.num,
202 dec_ctx->height * dec_ctx->sample_aspect_ratio.den,
203 1024*1024);
204 printf("display_aspect_ratio=%d:%d\n", display_aspect_ratio.num,
205 display_aspect_ratio.den);
8280e2bd 206 }
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207 printf("pix_fmt=%s\n", dec_ctx->pix_fmt != PIX_FMT_NONE ?
208 av_pix_fmt_descriptors[dec_ctx->pix_fmt].name : "unknown");
364d6427 209 printf("level=%d\n", dec_ctx->level);
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210 break;
211
72415b2a 212 case AVMEDIA_TYPE_AUDIO:
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213 printf("sample_rate=%s\n", value_string(val_str, sizeof(val_str),
214 dec_ctx->sample_rate,
215 unit_hertz_str));
216 printf("channels=%d\n", dec_ctx->channels);
217 printf("bits_per_sample=%d\n", av_get_bits_per_sample(dec_ctx->codec_id));
218 break;
219 }
220 } else {
221 printf("codec_type=unknown\n");
222 }
223
224 if (fmt_ctx->iformat->flags & AVFMT_SHOW_IDS)
225 printf("id=0x%x\n", stream->id);
226 printf("r_frame_rate=%d/%d\n", stream->r_frame_rate.num, stream->r_frame_rate.den);
227 printf("avg_frame_rate=%d/%d\n", stream->avg_frame_rate.num, stream->avg_frame_rate.den);
228 printf("time_base=%d/%d\n", stream->time_base.num, stream->time_base.den);
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229 printf("start_time=%s\n", time_value_string(val_str, sizeof(val_str), stream->start_time,
230 &stream->time_base));
231 printf("duration=%s\n", time_value_string(val_str, sizeof(val_str), stream->duration,
232 &stream->time_base));
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233 if (stream->nb_frames)
234 printf("nb_frames=%"PRId64"\n", stream->nb_frames);
336ce917 235
d2d67e42 236 while ((tag = av_dict_get(stream->metadata, "", tag, AV_DICT_IGNORE_SUFFIX)))
b6a41853 237 printf("TAG:%s=%s\n", tag->key, tag->value);
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238
239 printf("[/STREAM]\n");
240}
241
242static void show_format(AVFormatContext *fmt_ctx)
243{
d2d67e42 244 AVDictionaryEntry *tag = NULL;
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245 char val_str[128];
246
247 printf("[FORMAT]\n");
248
249 printf("filename=%s\n", fmt_ctx->filename);
250 printf("nb_streams=%d\n", fmt_ctx->nb_streams);
251 printf("format_name=%s\n", fmt_ctx->iformat->name);
252 printf("format_long_name=%s\n", fmt_ctx->iformat->long_name);
253 printf("start_time=%s\n", time_value_string(val_str, sizeof(val_str), fmt_ctx->start_time,
254 &AV_TIME_BASE_Q));
255 printf("duration=%s\n", time_value_string(val_str, sizeof(val_str), fmt_ctx->duration,
256 &AV_TIME_BASE_Q));
257 printf("size=%s\n", value_string(val_str, sizeof(val_str), fmt_ctx->file_size,
258 unit_byte_str));
259 printf("bit_rate=%s\n", value_string(val_str, sizeof(val_str), fmt_ctx->bit_rate,
260 unit_bit_per_second_str));
261
d2d67e42 262 while ((tag = av_dict_get(fmt_ctx->metadata, "", tag, AV_DICT_IGNORE_SUFFIX)))
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263 printf("TAG:%s=%s\n", tag->key, tag->value);
264
265 printf("[/FORMAT]\n");
266}
267
268static int open_input_file(AVFormatContext **fmt_ctx_ptr, const char *filename)
269{
270 int err, i;
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271 AVFormatContext *fmt_ctx = NULL;
272 AVDictionaryEntry *t;
336ce917 273
e0518705 274 if ((err = avformat_open_input(&fmt_ctx, filename, iformat, &format_opts)) < 0) {
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275 print_error(filename, err);
276 return err;
277 }
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278 if ((t = av_dict_get(format_opts, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
279 av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
280 return AVERROR_OPTION_NOT_FOUND;
281 }
282
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283
284 /* fill the streams in the format context */
c960e67a 285 if ((err = avformat_find_stream_info(fmt_ctx, NULL)) < 0) {
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286 print_error(filename, err);
287 return err;
288 }
289
610219a5 290 av_dump_format(fmt_ctx, 0, filename, 0);
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291
292 /* bind a decoder to each input stream */
293 for (i = 0; i < fmt_ctx->nb_streams; i++) {
294 AVStream *stream = fmt_ctx->streams[i];
295 AVCodec *codec;
296
297 if (!(codec = avcodec_find_decoder(stream->codec->codec_id))) {
9c3f5ef6 298 fprintf(stderr, "Unsupported codec with id %d for input stream %d\n",
336ce917 299 stream->codec->codec_id, stream->index);
0b950fe2 300 } else if (avcodec_open2(stream->codec, codec, NULL) < 0) {
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301 fprintf(stderr, "Error while opening codec for input stream %d\n",
302 stream->index);
303 }
304 }
305
306 *fmt_ctx_ptr = fmt_ctx;
307 return 0;
308}
309
310static int probe_file(const char *filename)
311{
312 AVFormatContext *fmt_ctx;
313 int ret, i;
314
315 if ((ret = open_input_file(&fmt_ctx, filename)))
316 return ret;
317
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318 if (do_show_packets)
319 show_packets(fmt_ctx);
320
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321 if (do_show_streams)
322 for (i = 0; i < fmt_ctx->nb_streams; i++)
323 show_stream(fmt_ctx, i);
324
325 if (do_show_format)
326 show_format(fmt_ctx);
327
328 av_close_input_file(fmt_ctx);
329 return 0;
330}
331
332static void show_usage(void)
333{
334 printf("Simple multimedia streams analyzer\n");
9e12f0bf 335 printf("usage: %s [OPTIONS] [INPUT_FILE]\n", program_name);
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336 printf("\n");
337}
338
26513856 339static int opt_format(const char *opt, const char *arg)
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340{
341 iformat = av_find_input_format(arg);
342 if (!iformat) {
343 fprintf(stderr, "Unknown input format: %s\n", arg);
26513856 344 return AVERROR(EINVAL);
1be784a2 345 }
26513856 346 return 0;
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347}
348
7cc8d638 349static void opt_input_file(void *optctx, const char *arg)
336ce917 350{
c8c0ac6b 351 if (input_filename) {
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352 fprintf(stderr, "Argument '%s' provided as input filename, but '%s' was already specified.\n",
353 arg, input_filename);
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354 exit(1);
355 }
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356 if (!strcmp(arg, "-"))
357 arg = "pipe:";
358 input_filename = arg;
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359}
360
361static void show_help(void)
362{
20c21f8b 363 const AVClass *class = avformat_get_class();
6afd569e 364 av_log_set_callback(log_callback_help);
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365 show_usage();
366 show_help_options(options, "Main options:\n", 0, 0);
367 printf("\n");
20c21f8b 368 av_opt_show2(&class, NULL,
6afd569e 369 AV_OPT_FLAG_DECODING_PARAM, 0);
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370}
371
372static void opt_pretty(void)
373{
374 show_value_unit = 1;
375 use_value_prefix = 1;
376 use_byte_value_binary_prefix = 1;
377 use_value_sexagesimal_format = 1;
378}
379
380static const OptionDef options[] = {
381#include "cmdutils_common_opts.h"
1be784a2 382 { "f", HAS_ARG, {(void*)opt_format}, "force format", "format" },
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383 { "unit", OPT_BOOL, {(void*)&show_value_unit}, "show unit of the displayed values" },
384 { "prefix", OPT_BOOL, {(void*)&use_value_prefix}, "use SI prefixes for the displayed values" },
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385 { "byte_binary_prefix", OPT_BOOL, {(void*)&use_byte_value_binary_prefix},
386 "use binary prefixes for byte units" },
387 { "sexagesimal", OPT_BOOL, {(void*)&use_value_sexagesimal_format},
388 "use sexagesimal format HOURS:MM:SS.MICROSECONDS for time units" },
389 { "pretty", 0, {(void*)&opt_pretty},
390 "prettify the format of displayed values, make it more human readable" },
391 { "show_format", OPT_BOOL, {(void*)&do_show_format} , "show format/container info" },
530bbe96 392 { "show_packets", OPT_BOOL, {(void*)&do_show_packets}, "show packets info" },
818636ec 393 { "show_streams", OPT_BOOL, {(void*)&do_show_streams}, "show streams info" },
26513856 394 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
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395 { NULL, },
396};
397
398int main(int argc, char **argv)
399{
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400 int ret;
401
182cbe43 402 parse_loglevel(argc, argv, options);
336ce917 403 av_register_all();
c558122e 404 init_opts();
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405#if CONFIG_AVDEVICE
406 avdevice_register_all();
407#endif
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408
409 show_banner();
7cc8d638 410 parse_options(NULL, argc, argv, options, opt_input_file);
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411
412 if (!input_filename) {
413 show_usage();
414 fprintf(stderr, "You have to specify one input file.\n");
9e12f0bf 415 fprintf(stderr, "Use -h to get full help or, even better, run 'man %s'.\n", program_name);
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416 exit(1);
417 }
418
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419 ret = probe_file(input_filename);
420
6afd569e 421 return ret;
336ce917 422}