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00022 #include "config.h"
00023
00024 #include "libavformat/avformat.h"
00025 #include "libavcodec/avcodec.h"
00026 #include "libavutil/opt.h"
00027 #include "libavutil/pixdesc.h"
00028 #include "libavutil/dict.h"
00029 #include "libavdevice/avdevice.h"
00030 #include "cmdutils.h"
00031
00032 const char program_name[] = "avprobe";
00033 const int program_birth_year = 2007;
00034
00035 static int do_show_format = 0;
00036 static int do_show_packets = 0;
00037 static int do_show_streams = 0;
00038
00039 static int show_value_unit = 0;
00040 static int use_value_prefix = 0;
00041 static int use_byte_value_binary_prefix = 0;
00042 static int use_value_sexagesimal_format = 0;
00043
00044
00045 static const OptionDef options[];
00046
00047
00048 static const char *input_filename;
00049 static AVInputFormat *iformat = NULL;
00050
00051 static const char *binary_unit_prefixes [] = { "", "Ki", "Mi", "Gi", "Ti", "Pi" };
00052 static const char *decimal_unit_prefixes[] = { "", "K" , "M" , "G" , "T" , "P" };
00053
00054 static const char *unit_second_str = "s" ;
00055 static const char *unit_hertz_str = "Hz" ;
00056 static const char *unit_byte_str = "byte" ;
00057 static const char *unit_bit_per_second_str = "bit/s";
00058
00059 void exit_program(int ret)
00060 {
00061 exit(ret);
00062 }
00063
00064 static char *value_string(char *buf, int buf_size, double val, const char *unit)
00065 {
00066 if (unit == unit_second_str && use_value_sexagesimal_format) {
00067 double secs;
00068 int hours, mins;
00069 secs = val;
00070 mins = (int)secs / 60;
00071 secs = secs - mins * 60;
00072 hours = mins / 60;
00073 mins %= 60;
00074 snprintf(buf, buf_size, "%d:%02d:%09.6f", hours, mins, secs);
00075 } else if (use_value_prefix) {
00076 const char *prefix_string;
00077 int index;
00078
00079 if (unit == unit_byte_str && use_byte_value_binary_prefix) {
00080 index = (int) (log(val)/log(2)) / 10;
00081 index = av_clip(index, 0, FF_ARRAY_ELEMS(binary_unit_prefixes) - 1);
00082 val /= pow(2, index * 10);
00083 prefix_string = binary_unit_prefixes[index];
00084 } else {
00085 index = (int) (log10(val)) / 3;
00086 index = av_clip(index, 0, FF_ARRAY_ELEMS(decimal_unit_prefixes) - 1);
00087 val /= pow(10, index * 3);
00088 prefix_string = decimal_unit_prefixes[index];
00089 }
00090
00091 snprintf(buf, buf_size, "%.3f %s%s", val, prefix_string,
00092 show_value_unit ? unit : "");
00093 } else {
00094 snprintf(buf, buf_size, "%f %s", val, show_value_unit ? unit : "");
00095 }
00096
00097 return buf;
00098 }
00099
00100 static char *time_value_string(char *buf, int buf_size, int64_t val,
00101 const AVRational *time_base)
00102 {
00103 if (val == AV_NOPTS_VALUE) {
00104 snprintf(buf, buf_size, "N/A");
00105 } else {
00106 value_string(buf, buf_size, val * av_q2d(*time_base), unit_second_str);
00107 }
00108
00109 return buf;
00110 }
00111
00112 static char *ts_value_string (char *buf, int buf_size, int64_t ts)
00113 {
00114 if (ts == AV_NOPTS_VALUE) {
00115 snprintf(buf, buf_size, "N/A");
00116 } else {
00117 snprintf(buf, buf_size, "%"PRId64, ts);
00118 }
00119
00120 return buf;
00121 }
00122
00123 static const char *media_type_string(enum AVMediaType media_type)
00124 {
00125 switch (media_type) {
00126 case AVMEDIA_TYPE_VIDEO: return "video";
00127 case AVMEDIA_TYPE_AUDIO: return "audio";
00128 case AVMEDIA_TYPE_DATA: return "data";
00129 case AVMEDIA_TYPE_SUBTITLE: return "subtitle";
00130 case AVMEDIA_TYPE_ATTACHMENT: return "attachment";
00131 default: return "unknown";
00132 }
00133 }
00134
00135 static void show_packet(AVFormatContext *fmt_ctx, AVPacket *pkt)
00136 {
00137 char val_str[128];
00138 AVStream *st = fmt_ctx->streams[pkt->stream_index];
00139
00140 printf("[PACKET]\n");
00141 printf("codec_type=%s\n", media_type_string(st->codec->codec_type));
00142 printf("stream_index=%d\n", pkt->stream_index);
00143 printf("pts=%s\n", ts_value_string(val_str, sizeof(val_str), pkt->pts));
00144 printf("pts_time=%s\n", time_value_string(val_str, sizeof(val_str),
00145 pkt->pts, &st->time_base));
00146 printf("dts=%s\n", ts_value_string(val_str, sizeof(val_str), pkt->dts));
00147 printf("dts_time=%s\n", time_value_string(val_str, sizeof(val_str),
00148 pkt->dts, &st->time_base));
00149 printf("duration=%s\n", ts_value_string(val_str, sizeof(val_str),
00150 pkt->duration));
00151 printf("duration_time=%s\n", time_value_string(val_str, sizeof(val_str),
00152 pkt->duration,
00153 &st->time_base));
00154 printf("size=%s\n", value_string(val_str, sizeof(val_str),
00155 pkt->size, unit_byte_str));
00156 printf("pos=%"PRId64"\n", pkt->pos);
00157 printf("flags=%c\n", pkt->flags & AV_PKT_FLAG_KEY ? 'K' : '_');
00158 printf("[/PACKET]\n");
00159 }
00160
00161 static void show_packets(AVFormatContext *fmt_ctx)
00162 {
00163 AVPacket pkt;
00164
00165 av_init_packet(&pkt);
00166
00167 while (!av_read_frame(fmt_ctx, &pkt))
00168 show_packet(fmt_ctx, &pkt);
00169 }
00170
00171 static void show_stream(AVFormatContext *fmt_ctx, int stream_idx)
00172 {
00173 AVStream *stream = fmt_ctx->streams[stream_idx];
00174 AVCodecContext *dec_ctx;
00175 AVCodec *dec;
00176 char val_str[128];
00177 AVDictionaryEntry *tag = NULL;
00178 AVRational display_aspect_ratio;
00179
00180 printf("[STREAM]\n");
00181
00182 printf("index=%d\n", stream->index);
00183
00184 if ((dec_ctx = stream->codec)) {
00185 if ((dec = dec_ctx->codec)) {
00186 printf("codec_name=%s\n", dec->name);
00187 printf("codec_long_name=%s\n", dec->long_name);
00188 } else {
00189 printf("codec_name=unknown\n");
00190 }
00191
00192 printf("codec_type=%s\n", media_type_string(dec_ctx->codec_type));
00193 printf("codec_time_base=%d/%d\n",
00194 dec_ctx->time_base.num, dec_ctx->time_base.den);
00195
00196
00197 av_get_codec_tag_string(val_str, sizeof(val_str), dec_ctx->codec_tag);
00198 printf("codec_tag_string=%s\n", val_str);
00199 printf("codec_tag=0x%04x\n", dec_ctx->codec_tag);
00200
00201 switch (dec_ctx->codec_type) {
00202 case AVMEDIA_TYPE_VIDEO:
00203 printf("width=%d\n", dec_ctx->width);
00204 printf("height=%d\n", dec_ctx->height);
00205 printf("has_b_frames=%d\n", dec_ctx->has_b_frames);
00206 if (dec_ctx->sample_aspect_ratio.num) {
00207 printf("sample_aspect_ratio=%d:%d\n",
00208 dec_ctx->sample_aspect_ratio.num,
00209 dec_ctx->sample_aspect_ratio.den);
00210 av_reduce(&display_aspect_ratio.num, &display_aspect_ratio.den,
00211 dec_ctx->width * dec_ctx->sample_aspect_ratio.num,
00212 dec_ctx->height * dec_ctx->sample_aspect_ratio.den,
00213 1024*1024);
00214 printf("display_aspect_ratio=%d:%d\n",
00215 display_aspect_ratio.num, display_aspect_ratio.den);
00216 }
00217 printf("pix_fmt=%s\n",
00218 dec_ctx->pix_fmt != PIX_FMT_NONE ? av_pix_fmt_descriptors[dec_ctx->pix_fmt].name
00219 : "unknown");
00220 printf("level=%d\n", dec_ctx->level);
00221 break;
00222
00223 case AVMEDIA_TYPE_AUDIO:
00224 printf("sample_rate=%s\n", value_string(val_str, sizeof(val_str),
00225 dec_ctx->sample_rate,
00226 unit_hertz_str));
00227 printf("channels=%d\n", dec_ctx->channels);
00228 printf("bits_per_sample=%d\n",
00229 av_get_bits_per_sample(dec_ctx->codec_id));
00230 break;
00231 }
00232 } else {
00233 printf("codec_type=unknown\n");
00234 }
00235
00236 if (fmt_ctx->iformat->flags & AVFMT_SHOW_IDS)
00237 printf("id=0x%x\n", stream->id);
00238 printf("r_frame_rate=%d/%d\n",
00239 stream->r_frame_rate.num, stream->r_frame_rate.den);
00240 printf("avg_frame_rate=%d/%d\n",
00241 stream->avg_frame_rate.num, stream->avg_frame_rate.den);
00242 printf("time_base=%d/%d\n",
00243 stream->time_base.num, stream->time_base.den);
00244 printf("start_time=%s\n",
00245 time_value_string(val_str, sizeof(val_str),
00246 stream->start_time, &stream->time_base));
00247 printf("duration=%s\n",
00248 time_value_string(val_str, sizeof(val_str),
00249 stream->duration, &stream->time_base));
00250 if (stream->nb_frames)
00251 printf("nb_frames=%"PRId64"\n", stream->nb_frames);
00252
00253 while ((tag = av_dict_get(stream->metadata, "", tag,
00254 AV_DICT_IGNORE_SUFFIX)))
00255 printf("TAG:%s=%s\n", tag->key, tag->value);
00256
00257 printf("[/STREAM]\n");
00258 }
00259
00260 static void show_format(AVFormatContext *fmt_ctx)
00261 {
00262 AVDictionaryEntry *tag = NULL;
00263 char val_str[128];
00264 int64_t size = fmt_ctx->pb ? avio_size(fmt_ctx->pb) : -1;
00265
00266 printf("[FORMAT]\n");
00267
00268 printf("filename=%s\n", fmt_ctx->filename);
00269 printf("nb_streams=%d\n", fmt_ctx->nb_streams);
00270 printf("format_name=%s\n", fmt_ctx->iformat->name);
00271 printf("format_long_name=%s\n", fmt_ctx->iformat->long_name);
00272 printf("start_time=%s\n",
00273 time_value_string(val_str, sizeof(val_str),
00274 fmt_ctx->start_time, &AV_TIME_BASE_Q));
00275 printf("duration=%s\n",
00276 time_value_string(val_str, sizeof(val_str),
00277 fmt_ctx->duration, &AV_TIME_BASE_Q));
00278 printf("size=%s\n", size >= 0 ? value_string(val_str, sizeof(val_str),
00279 size, unit_byte_str)
00280 : "unknown");
00281 printf("bit_rate=%s\n",
00282 value_string(val_str, sizeof(val_str),
00283 fmt_ctx->bit_rate, unit_bit_per_second_str));
00284
00285 while ((tag = av_dict_get(fmt_ctx->metadata, "", tag,
00286 AV_DICT_IGNORE_SUFFIX)))
00287 printf("TAG:%s=%s\n", tag->key, tag->value);
00288
00289 printf("[/FORMAT]\n");
00290 }
00291
00292 static int open_input_file(AVFormatContext **fmt_ctx_ptr, const char *filename)
00293 {
00294 int err, i;
00295 AVFormatContext *fmt_ctx = NULL;
00296 AVDictionaryEntry *t;
00297
00298 if ((err = avformat_open_input(&fmt_ctx, filename,
00299 iformat, &format_opts)) < 0) {
00300 print_error(filename, err);
00301 return err;
00302 }
00303 if ((t = av_dict_get(format_opts, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
00304 av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
00305 return AVERROR_OPTION_NOT_FOUND;
00306 }
00307
00308
00309
00310 if ((err = avformat_find_stream_info(fmt_ctx, NULL)) < 0) {
00311 print_error(filename, err);
00312 return err;
00313 }
00314
00315 av_dump_format(fmt_ctx, 0, filename, 0);
00316
00317
00318 for (i = 0; i < fmt_ctx->nb_streams; i++) {
00319 AVStream *stream = fmt_ctx->streams[i];
00320 AVCodec *codec;
00321
00322 if (!(codec = avcodec_find_decoder(stream->codec->codec_id))) {
00323 fprintf(stderr,
00324 "Unsupported codec with id %d for input stream %d\n",
00325 stream->codec->codec_id, stream->index);
00326 } else if (avcodec_open2(stream->codec, codec, NULL) < 0) {
00327 fprintf(stderr, "Error while opening codec for input stream %d\n",
00328 stream->index);
00329 }
00330 }
00331
00332 *fmt_ctx_ptr = fmt_ctx;
00333 return 0;
00334 }
00335
00336 static int probe_file(const char *filename)
00337 {
00338 AVFormatContext *fmt_ctx;
00339 int ret, i;
00340
00341 if ((ret = open_input_file(&fmt_ctx, filename)))
00342 return ret;
00343
00344 if (do_show_packets)
00345 show_packets(fmt_ctx);
00346
00347 if (do_show_streams)
00348 for (i = 0; i < fmt_ctx->nb_streams; i++)
00349 show_stream(fmt_ctx, i);
00350
00351 if (do_show_format)
00352 show_format(fmt_ctx);
00353
00354 avformat_close_input(&fmt_ctx);
00355 return 0;
00356 }
00357
00358 static void show_usage(void)
00359 {
00360 printf("Simple multimedia streams analyzer\n");
00361 printf("usage: %s [OPTIONS] [INPUT_FILE]\n", program_name);
00362 printf("\n");
00363 }
00364
00365 static int opt_format(const char *opt, const char *arg)
00366 {
00367 iformat = av_find_input_format(arg);
00368 if (!iformat) {
00369 fprintf(stderr, "Unknown input format: %s\n", arg);
00370 return AVERROR(EINVAL);
00371 }
00372 return 0;
00373 }
00374
00375 static void opt_input_file(void *optctx, const char *arg)
00376 {
00377 if (input_filename) {
00378 fprintf(stderr,
00379 "Argument '%s' provided as input filename, but '%s' was already specified.\n",
00380 arg, input_filename);
00381 exit(1);
00382 }
00383 if (!strcmp(arg, "-"))
00384 arg = "pipe:";
00385 input_filename = arg;
00386 }
00387
00388 static void show_help(void)
00389 {
00390 av_log_set_callback(log_callback_help);
00391 show_usage();
00392 show_help_options(options, "Main options:\n", 0, 0);
00393 printf("\n");
00394 show_help_children(avformat_get_class(), AV_OPT_FLAG_DECODING_PARAM);
00395 }
00396
00397 static void opt_pretty(void)
00398 {
00399 show_value_unit = 1;
00400 use_value_prefix = 1;
00401 use_byte_value_binary_prefix = 1;
00402 use_value_sexagesimal_format = 1;
00403 }
00404
00405 static const OptionDef options[] = {
00406 #include "cmdutils_common_opts.h"
00407 { "f", HAS_ARG, {(void*)opt_format}, "force format", "format" },
00408 { "unit", OPT_BOOL, {(void*)&show_value_unit},
00409 "show unit of the displayed values" },
00410 { "prefix", OPT_BOOL, {(void*)&use_value_prefix},
00411 "use SI prefixes for the displayed values" },
00412 { "byte_binary_prefix", OPT_BOOL, {(void*)&use_byte_value_binary_prefix},
00413 "use binary prefixes for byte units" },
00414 { "sexagesimal", OPT_BOOL, {(void*)&use_value_sexagesimal_format},
00415 "use sexagesimal format HOURS:MM:SS.MICROSECONDS for time units" },
00416 { "pretty", 0, {(void*)&opt_pretty},
00417 "prettify the format of displayed values, make it more human readable" },
00418 { "show_format", OPT_BOOL, {(void*)&do_show_format} , "show format/container info" },
00419 { "show_packets", OPT_BOOL, {(void*)&do_show_packets}, "show packets info" },
00420 { "show_streams", OPT_BOOL, {(void*)&do_show_streams}, "show streams info" },
00421 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default},
00422 "generic catch all option", "" },
00423 { NULL, },
00424 };
00425
00426 int main(int argc, char **argv)
00427 {
00428 int ret;
00429
00430 parse_loglevel(argc, argv, options);
00431 av_register_all();
00432 avformat_network_init();
00433 init_opts();
00434 #if CONFIG_AVDEVICE
00435 avdevice_register_all();
00436 #endif
00437
00438 show_banner();
00439 parse_options(NULL, argc, argv, options, opt_input_file);
00440
00441 if (!input_filename) {
00442 show_usage();
00443 fprintf(stderr, "You have to specify one input file.\n");
00444 fprintf(stderr,
00445 "Use -h to get full help or, even better, run 'man %s'.\n",
00446 program_name);
00447 exit(1);
00448 }
00449
00450 ret = probe_file(input_filename);
00451
00452 avformat_network_deinit();
00453
00454 return ret;
00455 }