Add spectral extension to the E-AC-3 decoder.
[libav.git] / ffprobe.c
CommitLineData
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1/*
2 * FFprobe : Simple Media Prober based on the FFmpeg libraries
3 * Copyright (c) 2007-2010 Stefano Sabatini
4 *
5 * This file is part of FFmpeg.
6 *
7 * FFmpeg is free software; you can redistribute it and/or
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 *
12 * FFmpeg is distributed in the hope that it will be useful,
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
18 * License along with FFmpeg; if not, write to the Free Software
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"
26#include "libavcodec/opt.h"
27#include "libavutil/pixdesc.h"
6ce98ea4 28#include "libavdevice/avdevice.h"
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29#include "cmdutils.h"
30
31const char program_name[] = "FFprobe";
32const int program_birth_year = 2007;
33
34static int do_show_format = 0;
35static int do_show_streams = 0;
36
4bfe67da 37static int convert_tags = 0;
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38static int show_value_unit = 0;
39static int use_value_prefix = 0;
40static int use_byte_value_binary_prefix = 0;
41static int use_value_sexagesimal_format = 0;
42
43/* globals */
44static const OptionDef options[];
45
46/* FFprobe context */
47static const char *input_filename;
1be784a2 48static AVInputFormat *iformat = NULL;
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49
50static const char *binary_unit_prefixes [] = { "", "Ki", "Mi", "Gi", "Ti", "Pi" };
51static const char *decimal_unit_prefixes[] = { "", "K" , "M" , "G" , "T" , "P" };
52
53static const char *unit_second_str = "s" ;
54static const char *unit_hertz_str = "Hz" ;
55static const char *unit_byte_str = "byte" ;
56static const char *unit_bit_per_second_str = "bit/s";
57
58static char *value_string(char *buf, int buf_size, double val, const char *unit)
59{
60 if (unit == unit_second_str && use_value_sexagesimal_format) {
61 double secs;
62 int hours, mins;
63 secs = val;
64 mins = (int)secs / 60;
65 secs = secs - mins * 60;
66 hours = mins / 60;
67 mins %= 60;
68 snprintf(buf, buf_size, "%d:%02d:%09.6f", hours, mins, secs);
69 } else if (use_value_prefix) {
70 const char *prefix_string;
71 int index;
72
73 if (unit == unit_byte_str && use_byte_value_binary_prefix) {
f1b267dd 74 index = (int) (log(val)/log(2)) / 10;
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75 index = av_clip(index, 0, FF_ARRAY_ELEMS(binary_unit_prefixes) -1);
76 val /= pow(2, index*10);
77 prefix_string = binary_unit_prefixes[index];
78 } else {
79 index = (int) (log10(val)) / 3;
80 index = av_clip(index, 0, FF_ARRAY_ELEMS(decimal_unit_prefixes) -1);
81 val /= pow(10, index*3);
82 prefix_string = decimal_unit_prefixes[index];
83 }
84
85 snprintf(buf, buf_size, "%.3f %s%s", val, prefix_string, show_value_unit ? unit : "");
86 } else {
87 snprintf(buf, buf_size, "%f %s", val, show_value_unit ? unit : "");
88 }
89
90 return buf;
91}
92
93static char *time_value_string(char *buf, int buf_size, int64_t val, const AVRational *time_base)
94{
95 if (val == AV_NOPTS_VALUE) {
96 snprintf(buf, buf_size, "N/A");
97 } else {
98 value_string(buf, buf_size, val * av_q2d(*time_base), unit_second_str);
99 }
100
101 return buf;
102}
103
104static const char *codec_type_string(enum CodecType codec_type)
105{
106 switch (codec_type) {
107 case CODEC_TYPE_VIDEO: return "video";
108 case CODEC_TYPE_AUDIO: return "audio";
109 case CODEC_TYPE_DATA: return "data";
110 case CODEC_TYPE_SUBTITLE: return "subtitle";
111 case CODEC_TYPE_ATTACHMENT: return "attachment";
112 default: return "unknown";
113 }
114}
115
116static void show_stream(AVFormatContext *fmt_ctx, int stream_idx)
117{
118 AVStream *stream = fmt_ctx->streams[stream_idx];
119 AVCodecContext *dec_ctx;
120 AVCodec *dec;
121 char val_str[128];
efe8bb09 122 AVMetadataTag *tag = NULL;
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123 char a, b, c, d;
124
125 printf("[STREAM]\n");
126
127 printf("index=%d\n", stream->index);
128
129 if ((dec_ctx = stream->codec)) {
130 if ((dec = dec_ctx->codec)) {
131 printf("codec_name=%s\n", dec->name);
132 printf("codec_long_name=%s\n", dec->long_name);
133 } else {
134 printf("codec_name=unknown\n");
135 }
136
137 printf("codec_type=%s\n", codec_type_string(dec_ctx->codec_type));
138 printf("codec_time_base=%d/%d\n", dec_ctx->time_base.num, dec_ctx->time_base.den);
139
140 /* print AVI/FourCC tag */
141 a = dec_ctx->codec_tag & 0xff;
142 b = dec_ctx->codec_tag>>8 & 0xff;
143 c = dec_ctx->codec_tag>>16 & 0xff;
144 d = dec_ctx->codec_tag>>24 & 0xff;
145 printf("codec_tag_string=");
146 if (isprint(a)) printf("%c", a); else printf("[%d]", a);
147 if (isprint(b)) printf("%c", b); else printf("[%d]", b);
148 if (isprint(c)) printf("%c", c); else printf("[%d]", c);
149 if (isprint(d)) printf("%c", d); else printf("[%d]", d);
150 printf("\ncodec_tag=0x%04x\n", dec_ctx->codec_tag);
151
152 switch (dec_ctx->codec_type) {
153 case CODEC_TYPE_VIDEO:
154 printf("width=%d\n", dec_ctx->width);
155 printf("height=%d\n", dec_ctx->height);
156 printf("has_b_frames=%d\n", dec_ctx->has_b_frames);
157 printf("sample_aspect_ratio=%d:%d\n", dec_ctx->sample_aspect_ratio.num,
158 dec_ctx->sample_aspect_ratio.den);
159 printf("display_aspect_ratio=%d:%d\n", dec_ctx->sample_aspect_ratio.num,
160 dec_ctx->sample_aspect_ratio.den);
161 printf("pix_fmt=%s\n", dec_ctx->pix_fmt != PIX_FMT_NONE ?
162 av_pix_fmt_descriptors[dec_ctx->pix_fmt].name : "unknown");
163 break;
164
165 case CODEC_TYPE_AUDIO:
166 printf("sample_rate=%s\n", value_string(val_str, sizeof(val_str),
167 dec_ctx->sample_rate,
168 unit_hertz_str));
169 printf("channels=%d\n", dec_ctx->channels);
170 printf("bits_per_sample=%d\n", av_get_bits_per_sample(dec_ctx->codec_id));
171 break;
172 }
173 } else {
174 printf("codec_type=unknown\n");
175 }
176
177 if (fmt_ctx->iformat->flags & AVFMT_SHOW_IDS)
178 printf("id=0x%x\n", stream->id);
179 printf("r_frame_rate=%d/%d\n", stream->r_frame_rate.num, stream->r_frame_rate.den);
180 printf("avg_frame_rate=%d/%d\n", stream->avg_frame_rate.num, stream->avg_frame_rate.den);
181 printf("time_base=%d/%d\n", stream->time_base.num, stream->time_base.den);
182 if (stream->language[0])
183 printf("language=%s\n", stream->language);
184 printf("start_time=%s\n", time_value_string(val_str, sizeof(val_str), stream->start_time,
185 &stream->time_base));
186 printf("duration=%s\n", time_value_string(val_str, sizeof(val_str), stream->duration,
187 &stream->time_base));
188
189 while ((tag = av_metadata_get(stream->metadata, "", tag, AV_METADATA_IGNORE_SUFFIX)))
b6a41853 190 printf("TAG:%s=%s\n", tag->key, tag->value);
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191
192 printf("[/STREAM]\n");
193}
194
195static void show_format(AVFormatContext *fmt_ctx)
196{
197 AVMetadataTag *tag = NULL;
198 char val_str[128];
199
200 printf("[FORMAT]\n");
201
202 printf("filename=%s\n", fmt_ctx->filename);
203 printf("nb_streams=%d\n", fmt_ctx->nb_streams);
204 printf("format_name=%s\n", fmt_ctx->iformat->name);
205 printf("format_long_name=%s\n", fmt_ctx->iformat->long_name);
206 printf("start_time=%s\n", time_value_string(val_str, sizeof(val_str), fmt_ctx->start_time,
207 &AV_TIME_BASE_Q));
208 printf("duration=%s\n", time_value_string(val_str, sizeof(val_str), fmt_ctx->duration,
209 &AV_TIME_BASE_Q));
210 printf("size=%s\n", value_string(val_str, sizeof(val_str), fmt_ctx->file_size,
211 unit_byte_str));
212 printf("bit_rate=%s\n", value_string(val_str, sizeof(val_str), fmt_ctx->bit_rate,
213 unit_bit_per_second_str));
214
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215 if (convert_tags)
216 av_metadata_conv(fmt_ctx, NULL, fmt_ctx->iformat->metadata_conv);
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217 while ((tag = av_metadata_get(fmt_ctx->metadata, "", tag, AV_METADATA_IGNORE_SUFFIX)))
218 printf("TAG:%s=%s\n", tag->key, tag->value);
219
220 printf("[/FORMAT]\n");
221}
222
223static int open_input_file(AVFormatContext **fmt_ctx_ptr, const char *filename)
224{
225 int err, i;
226 AVFormatContext *fmt_ctx;
227
228 fmt_ctx = avformat_alloc_context();
229
1be784a2 230 if ((err = av_open_input_file(&fmt_ctx, filename, iformat, 0, NULL)) < 0) {
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231 print_error(filename, err);
232 return err;
233 }
234
235 /* fill the streams in the format context */
236 if ((err = av_find_stream_info(fmt_ctx)) < 0) {
237 print_error(filename, err);
238 return err;
239 }
240
241 dump_format(fmt_ctx, 0, filename, 0);
242
243 /* bind a decoder to each input stream */
244 for (i = 0; i < fmt_ctx->nb_streams; i++) {
245 AVStream *stream = fmt_ctx->streams[i];
246 AVCodec *codec;
247
248 if (!(codec = avcodec_find_decoder(stream->codec->codec_id))) {
249 fprintf(stderr, "Unsupported codec (id=%d) for input stream %d\n",
250 stream->codec->codec_id, stream->index);
251 } else if (avcodec_open(stream->codec, codec) < 0) {
252 fprintf(stderr, "Error while opening codec for input stream %d\n",
253 stream->index);
254 }
255 }
256
257 *fmt_ctx_ptr = fmt_ctx;
258 return 0;
259}
260
261static int probe_file(const char *filename)
262{
263 AVFormatContext *fmt_ctx;
264 int ret, i;
265
266 if ((ret = open_input_file(&fmt_ctx, filename)))
267 return ret;
268
269 if (do_show_streams)
270 for (i = 0; i < fmt_ctx->nb_streams; i++)
271 show_stream(fmt_ctx, i);
272
273 if (do_show_format)
274 show_format(fmt_ctx);
275
276 av_close_input_file(fmt_ctx);
277 return 0;
278}
279
280static void show_usage(void)
281{
282 printf("Simple multimedia streams analyzer\n");
283 printf("usage: ffprobe [OPTIONS] [INPUT_FILE]\n");
284 printf("\n");
285}
286
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287static void opt_format(const char *arg)
288{
289 iformat = av_find_input_format(arg);
290 if (!iformat) {
291 fprintf(stderr, "Unknown input format: %s\n", arg);
292 exit(1);
293 }
294}
295
912dd63e 296static void opt_input_file(const char *arg)
336ce917 297{
c8c0ac6b 298 if (input_filename) {
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299 fprintf(stderr, "Argument '%s' provided as input filename, but '%s' was already specified.\n",
300 arg, input_filename);
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301 exit(1);
302 }
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303 if (!strcmp(arg, "-"))
304 arg = "pipe:";
305 input_filename = arg;
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306}
307
308static void show_help(void)
309{
310 show_usage();
311 show_help_options(options, "Main options:\n", 0, 0);
312 printf("\n");
313}
314
315static void opt_pretty(void)
316{
317 show_value_unit = 1;
318 use_value_prefix = 1;
319 use_byte_value_binary_prefix = 1;
320 use_value_sexagesimal_format = 1;
321}
322
323static const OptionDef options[] = {
324#include "cmdutils_common_opts.h"
4bfe67da 325 { "convert_tags", OPT_BOOL, {(void*)&convert_tags}, "convert tag names to the FFmpeg generic tag names" },
1be784a2 326 { "f", HAS_ARG, {(void*)opt_format}, "force format", "format" },
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327 { "unit", OPT_BOOL, {(void*)&show_value_unit}, "show unit of the displayed values" },
328 { "prefix", OPT_BOOL, {(void*)&use_value_prefix}, "use SI prefixes for the displayed values" },
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329 { "byte_binary_prefix", OPT_BOOL, {(void*)&use_byte_value_binary_prefix},
330 "use binary prefixes for byte units" },
331 { "sexagesimal", OPT_BOOL, {(void*)&use_value_sexagesimal_format},
332 "use sexagesimal format HOURS:MM:SS.MICROSECONDS for time units" },
333 { "pretty", 0, {(void*)&opt_pretty},
334 "prettify the format of displayed values, make it more human readable" },
335 { "show_format", OPT_BOOL, {(void*)&do_show_format} , "show format/container info" },
818636ec 336 { "show_streams", OPT_BOOL, {(void*)&do_show_streams}, "show streams info" },
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337 { NULL, },
338};
339
340int main(int argc, char **argv)
341{
342 av_register_all();
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343#if CONFIG_AVDEVICE
344 avdevice_register_all();
345#endif
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346
347 show_banner();
348 parse_options(argc, argv, options, opt_input_file);
349
350 if (!input_filename) {
351 show_usage();
352 fprintf(stderr, "You have to specify one input file.\n");
353 fprintf(stderr, "Use -h to get full help or, even better, run 'man ffprobe'.\n");
354 exit(1);
355 }
356
357 return probe_file(input_filename);
358}