ffplay: use new avformat_open_* API.
[libav.git] / ffprobe.c
CommitLineData
336ce917 1/*
89b503b5 2 * ffprobe : 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
89b503b5 32const char program_name[] = "ffprobe";
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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
47/* FFprobe context */
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
59static char *value_string(char *buf, int buf_size, double val, const char *unit)
60{
61 if (unit == unit_second_str && use_value_sexagesimal_format) {
62 double secs;
63 int hours, mins;
64 secs = val;
65 mins = (int)secs / 60;
66 secs = secs - mins * 60;
67 hours = mins / 60;
68 mins %= 60;
69 snprintf(buf, buf_size, "%d:%02d:%09.6f", hours, mins, secs);
70 } else if (use_value_prefix) {
71 const char *prefix_string;
72 int index;
73
74 if (unit == unit_byte_str && use_byte_value_binary_prefix) {
f1b267dd 75 index = (int) (log(val)/log(2)) / 10;
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76 index = av_clip(index, 0, FF_ARRAY_ELEMS(binary_unit_prefixes) -1);
77 val /= pow(2, index*10);
78 prefix_string = binary_unit_prefixes[index];
79 } else {
80 index = (int) (log10(val)) / 3;
81 index = av_clip(index, 0, FF_ARRAY_ELEMS(decimal_unit_prefixes) -1);
82 val /= pow(10, index*3);
83 prefix_string = decimal_unit_prefixes[index];
84 }
85
86 snprintf(buf, buf_size, "%.3f %s%s", val, prefix_string, show_value_unit ? unit : "");
87 } else {
88 snprintf(buf, buf_size, "%f %s", val, show_value_unit ? unit : "");
89 }
90
91 return buf;
92}
93
94static char *time_value_string(char *buf, int buf_size, int64_t val, const AVRational *time_base)
95{
96 if (val == AV_NOPTS_VALUE) {
97 snprintf(buf, buf_size, "N/A");
98 } else {
99 value_string(buf, buf_size, val * av_q2d(*time_base), unit_second_str);
100 }
101
102 return buf;
103}
104
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105static char *ts_value_string (char *buf, int buf_size, int64_t ts)
106{
107 if (ts == AV_NOPTS_VALUE) {
108 snprintf(buf, buf_size, "N/A");
109 } else {
110 snprintf(buf, buf_size, "%"PRId64, ts);
111 }
112
113 return buf;
114}
115
72415b2a 116static const char *media_type_string(enum AVMediaType media_type)
336ce917 117{
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118 switch (media_type) {
119 case AVMEDIA_TYPE_VIDEO: return "video";
120 case AVMEDIA_TYPE_AUDIO: return "audio";
121 case AVMEDIA_TYPE_DATA: return "data";
122 case AVMEDIA_TYPE_SUBTITLE: return "subtitle";
123 case AVMEDIA_TYPE_ATTACHMENT: return "attachment";
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124 default: return "unknown";
125 }
126}
127
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128static void show_packet(AVFormatContext *fmt_ctx, AVPacket *pkt)
129{
130 char val_str[128];
131 AVStream *st = fmt_ctx->streams[pkt->stream_index];
132
133 printf("[PACKET]\n");
134 printf("codec_type=%s\n" , media_type_string(st->codec->codec_type));
135 printf("stream_index=%d\n" , pkt->stream_index);
136 printf("pts=%s\n" , ts_value_string (val_str, sizeof(val_str), pkt->pts));
137 printf("pts_time=%s\n" , time_value_string(val_str, sizeof(val_str), pkt->pts, &st->time_base));
138 printf("dts=%s\n" , ts_value_string (val_str, sizeof(val_str), pkt->dts));
139 printf("dts_time=%s\n" , time_value_string(val_str, sizeof(val_str), pkt->dts, &st->time_base));
140 printf("duration=%s\n" , ts_value_string (val_str, sizeof(val_str), pkt->duration));
141 printf("duration_time=%s\n", time_value_string(val_str, sizeof(val_str), pkt->duration, &st->time_base));
142 printf("size=%s\n" , value_string (val_str, sizeof(val_str), pkt->size, unit_byte_str));
143 printf("pos=%"PRId64"\n" , pkt->pos);
144 printf("flags=%c\n" , pkt->flags & AV_PKT_FLAG_KEY ? 'K' : '_');
145 printf("[/PACKET]\n");
146}
147
148static void show_packets(AVFormatContext *fmt_ctx)
149{
150 AVPacket pkt;
151
152 av_init_packet(&pkt);
153
154 while (!av_read_frame(fmt_ctx, &pkt))
155 show_packet(fmt_ctx, &pkt);
156}
157
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158static void show_stream(AVFormatContext *fmt_ctx, int stream_idx)
159{
160 AVStream *stream = fmt_ctx->streams[stream_idx];
161 AVCodecContext *dec_ctx;
162 AVCodec *dec;
163 char val_str[128];
d2d67e42 164 AVDictionaryEntry *tag = NULL;
d21b2278 165 AVRational display_aspect_ratio;
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166
167 printf("[STREAM]\n");
168
169 printf("index=%d\n", stream->index);
170
171 if ((dec_ctx = stream->codec)) {
172 if ((dec = dec_ctx->codec)) {
173 printf("codec_name=%s\n", dec->name);
174 printf("codec_long_name=%s\n", dec->long_name);
175 } else {
176 printf("codec_name=unknown\n");
177 }
178
72415b2a 179 printf("codec_type=%s\n", media_type_string(dec_ctx->codec_type));
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180 printf("codec_time_base=%d/%d\n", dec_ctx->time_base.num, dec_ctx->time_base.den);
181
182 /* print AVI/FourCC tag */
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183 av_get_codec_tag_string(val_str, sizeof(val_str), dec_ctx->codec_tag);
184 printf("codec_tag_string=%s\n", val_str);
185 printf("codec_tag=0x%04x\n", dec_ctx->codec_tag);
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186
187 switch (dec_ctx->codec_type) {
72415b2a 188 case AVMEDIA_TYPE_VIDEO:
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189 printf("width=%d\n", dec_ctx->width);
190 printf("height=%d\n", dec_ctx->height);
191 printf("has_b_frames=%d\n", dec_ctx->has_b_frames);
8280e2bd 192 if (dec_ctx->sample_aspect_ratio.num) {
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193 printf("sample_aspect_ratio=%d:%d\n", dec_ctx->sample_aspect_ratio.num,
194 dec_ctx->sample_aspect_ratio.den);
195 av_reduce(&display_aspect_ratio.num, &display_aspect_ratio.den,
196 dec_ctx->width * dec_ctx->sample_aspect_ratio.num,
197 dec_ctx->height * dec_ctx->sample_aspect_ratio.den,
198 1024*1024);
199 printf("display_aspect_ratio=%d:%d\n", display_aspect_ratio.num,
200 display_aspect_ratio.den);
8280e2bd 201 }
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202 printf("pix_fmt=%s\n", dec_ctx->pix_fmt != PIX_FMT_NONE ?
203 av_pix_fmt_descriptors[dec_ctx->pix_fmt].name : "unknown");
204 break;
205
72415b2a 206 case AVMEDIA_TYPE_AUDIO:
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207 printf("sample_rate=%s\n", value_string(val_str, sizeof(val_str),
208 dec_ctx->sample_rate,
209 unit_hertz_str));
210 printf("channels=%d\n", dec_ctx->channels);
211 printf("bits_per_sample=%d\n", av_get_bits_per_sample(dec_ctx->codec_id));
212 break;
213 }
214 } else {
215 printf("codec_type=unknown\n");
216 }
217
218 if (fmt_ctx->iformat->flags & AVFMT_SHOW_IDS)
219 printf("id=0x%x\n", stream->id);
220 printf("r_frame_rate=%d/%d\n", stream->r_frame_rate.num, stream->r_frame_rate.den);
221 printf("avg_frame_rate=%d/%d\n", stream->avg_frame_rate.num, stream->avg_frame_rate.den);
222 printf("time_base=%d/%d\n", stream->time_base.num, stream->time_base.den);
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223 printf("start_time=%s\n", time_value_string(val_str, sizeof(val_str), stream->start_time,
224 &stream->time_base));
225 printf("duration=%s\n", time_value_string(val_str, sizeof(val_str), stream->duration,
226 &stream->time_base));
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227 if (stream->nb_frames)
228 printf("nb_frames=%"PRId64"\n", stream->nb_frames);
336ce917 229
d2d67e42 230 while ((tag = av_dict_get(stream->metadata, "", tag, AV_DICT_IGNORE_SUFFIX)))
b6a41853 231 printf("TAG:%s=%s\n", tag->key, tag->value);
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232
233 printf("[/STREAM]\n");
234}
235
236static void show_format(AVFormatContext *fmt_ctx)
237{
d2d67e42 238 AVDictionaryEntry *tag = NULL;
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239 char val_str[128];
240
241 printf("[FORMAT]\n");
242
243 printf("filename=%s\n", fmt_ctx->filename);
244 printf("nb_streams=%d\n", fmt_ctx->nb_streams);
245 printf("format_name=%s\n", fmt_ctx->iformat->name);
246 printf("format_long_name=%s\n", fmt_ctx->iformat->long_name);
247 printf("start_time=%s\n", time_value_string(val_str, sizeof(val_str), fmt_ctx->start_time,
248 &AV_TIME_BASE_Q));
249 printf("duration=%s\n", time_value_string(val_str, sizeof(val_str), fmt_ctx->duration,
250 &AV_TIME_BASE_Q));
251 printf("size=%s\n", value_string(val_str, sizeof(val_str), fmt_ctx->file_size,
252 unit_byte_str));
253 printf("bit_rate=%s\n", value_string(val_str, sizeof(val_str), fmt_ctx->bit_rate,
254 unit_bit_per_second_str));
255
d2d67e42 256 while ((tag = av_dict_get(fmt_ctx->metadata, "", tag, AV_DICT_IGNORE_SUFFIX)))
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257 printf("TAG:%s=%s\n", tag->key, tag->value);
258
259 printf("[/FORMAT]\n");
260}
261
262static int open_input_file(AVFormatContext **fmt_ctx_ptr, const char *filename)
263{
264 int err, i;
265 AVFormatContext *fmt_ctx;
266
267 fmt_ctx = avformat_alloc_context();
0093ebc2 268 set_context_opts(fmt_ctx, avformat_opts, AV_OPT_FLAG_DECODING_PARAM, NULL);
336ce917 269
1be784a2 270 if ((err = av_open_input_file(&fmt_ctx, filename, iformat, 0, NULL)) < 0) {
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271 print_error(filename, err);
272 return err;
273 }
274
275 /* fill the streams in the format context */
276 if ((err = av_find_stream_info(fmt_ctx)) < 0) {
277 print_error(filename, err);
278 return err;
279 }
280
610219a5 281 av_dump_format(fmt_ctx, 0, filename, 0);
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282
283 /* bind a decoder to each input stream */
284 for (i = 0; i < fmt_ctx->nb_streams; i++) {
285 AVStream *stream = fmt_ctx->streams[i];
286 AVCodec *codec;
287
288 if (!(codec = avcodec_find_decoder(stream->codec->codec_id))) {
9c3f5ef6 289 fprintf(stderr, "Unsupported codec with id %d for input stream %d\n",
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290 stream->codec->codec_id, stream->index);
291 } else if (avcodec_open(stream->codec, codec) < 0) {
292 fprintf(stderr, "Error while opening codec for input stream %d\n",
293 stream->index);
294 }
295 }
296
297 *fmt_ctx_ptr = fmt_ctx;
298 return 0;
299}
300
301static int probe_file(const char *filename)
302{
303 AVFormatContext *fmt_ctx;
304 int ret, i;
305
306 if ((ret = open_input_file(&fmt_ctx, filename)))
307 return ret;
308
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309 if (do_show_packets)
310 show_packets(fmt_ctx);
311
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312 if (do_show_streams)
313 for (i = 0; i < fmt_ctx->nb_streams; i++)
314 show_stream(fmt_ctx, i);
315
316 if (do_show_format)
317 show_format(fmt_ctx);
318
319 av_close_input_file(fmt_ctx);
320 return 0;
321}
322
323static void show_usage(void)
324{
325 printf("Simple multimedia streams analyzer\n");
326 printf("usage: ffprobe [OPTIONS] [INPUT_FILE]\n");
327 printf("\n");
328}
329
26513856 330static int opt_format(const char *opt, const char *arg)
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331{
332 iformat = av_find_input_format(arg);
333 if (!iformat) {
334 fprintf(stderr, "Unknown input format: %s\n", arg);
26513856 335 return AVERROR(EINVAL);
1be784a2 336 }
26513856 337 return 0;
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338}
339
912dd63e 340static void opt_input_file(const char *arg)
336ce917 341{
c8c0ac6b 342 if (input_filename) {
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343 fprintf(stderr, "Argument '%s' provided as input filename, but '%s' was already specified.\n",
344 arg, input_filename);
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345 exit(1);
346 }
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347 if (!strcmp(arg, "-"))
348 arg = "pipe:";
349 input_filename = arg;
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350}
351
352static void show_help(void)
353{
6afd569e 354 av_log_set_callback(log_callback_help);
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355 show_usage();
356 show_help_options(options, "Main options:\n", 0, 0);
357 printf("\n");
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358 av_opt_show2(avformat_opts, NULL,
359 AV_OPT_FLAG_DECODING_PARAM, 0);
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360}
361
362static void opt_pretty(void)
363{
364 show_value_unit = 1;
365 use_value_prefix = 1;
366 use_byte_value_binary_prefix = 1;
367 use_value_sexagesimal_format = 1;
368}
369
370static const OptionDef options[] = {
371#include "cmdutils_common_opts.h"
1be784a2 372 { "f", HAS_ARG, {(void*)opt_format}, "force format", "format" },
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373 { "unit", OPT_BOOL, {(void*)&show_value_unit}, "show unit of the displayed values" },
374 { "prefix", OPT_BOOL, {(void*)&use_value_prefix}, "use SI prefixes for the displayed values" },
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375 { "byte_binary_prefix", OPT_BOOL, {(void*)&use_byte_value_binary_prefix},
376 "use binary prefixes for byte units" },
377 { "sexagesimal", OPT_BOOL, {(void*)&use_value_sexagesimal_format},
378 "use sexagesimal format HOURS:MM:SS.MICROSECONDS for time units" },
379 { "pretty", 0, {(void*)&opt_pretty},
380 "prettify the format of displayed values, make it more human readable" },
381 { "show_format", OPT_BOOL, {(void*)&do_show_format} , "show format/container info" },
530bbe96 382 { "show_packets", OPT_BOOL, {(void*)&do_show_packets}, "show packets info" },
818636ec 383 { "show_streams", OPT_BOOL, {(void*)&do_show_streams}, "show streams info" },
26513856 384 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
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385 { NULL, },
386};
387
388int main(int argc, char **argv)
389{
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390 int ret;
391
336ce917 392 av_register_all();
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393#if CONFIG_AVDEVICE
394 avdevice_register_all();
395#endif
336ce917 396
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397 avformat_opts = avformat_alloc_context();
398
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399 show_banner();
400 parse_options(argc, argv, options, opt_input_file);
401
402 if (!input_filename) {
403 show_usage();
404 fprintf(stderr, "You have to specify one input file.\n");
405 fprintf(stderr, "Use -h to get full help or, even better, run 'man ffprobe'.\n");
406 exit(1);
407 }
408
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409 ret = probe_file(input_filename);
410
411 av_free(avformat_opts);
412
413 return ret;
336ce917 414}