oggzinfo.c 13 KB
Newer Older
andre's avatar
andre committed
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34
/*
   Copyright (C) 2003 Commonwealth Scientific and Industrial Research
   Organisation (CSIRO) Australia

   Redistribution and use in source and binary forms, with or without
   modification, are permitted provided that the following conditions
   are met:

   - Redistributions of source code must retain the above copyright
   notice, this list of conditions and the following disclaimer.

   - Redistributions in binary form must reproduce the above copyright
   notice, this list of conditions and the following disclaimer in the
   documentation and/or other materials provided with the distribution.

   - Neither the name of CSIRO Australia nor the names of its
   contributors may be used to endorse or promote products derived from
   this software without specific prior written permission.

   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
   PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE ORGANISATION OR
   CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
   EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
   PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
   PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
   LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
   NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
   SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

#include <stdio.h>
#include <stdlib.h>
conrad's avatar
conrad committed
35 36
#include <limits.h> /* LONG_MAX */
#include <math.h>
andre's avatar
andre committed
37

38 39 40 41
#include <getopt.h>
#include <errno.h>

#include <oggz/oggz.h>
conrad's avatar
conrad committed
42 43
#include "oggz_tools.h"

conrad's avatar
conrad committed
44 45
#ifdef HAVE_INTTYPES_H
#  include <inttypes.h>
46
#else
conrad's avatar
conrad committed
47
#  define PRId64 "I64d"
48 49
#endif

50 51 52 53
static void
usage (char * progname)
{
  printf ("Usage: %s [options] filename ...\n", progname);
54
  printf ("Display information about one or more Ogg files and their bitstreams\n");
55 56 57 58 59 60 61 62 63 64
  printf ("\nDisplay options\n");
  printf ("  -l, --length           Display content lengths\n");
  printf ("  -b, --bitrate          Display bitrate information\n");
  printf ("  -g, --page-stats       Display Ogg page statistics\n");
  printf ("  -p, --packet-stats     Display Ogg packet statistics\n");
  printf ("  -a, --all              Display all information\n");
  printf ("\nMiscellaneous options\n");
  printf ("  -h, --help             Display this help and exit\n");
  printf ("  -v, --version          Output version information and exit\n");
  printf ("\n");
65 66 67 68 69 70 71 72 73 74 75 76
  printf ("Byte lengths are displayed using the following units:\n");
  printf ("  bytes (8 bits)\n");
  printf ("  kB    kilobytes (1024 bytes)\n");
  printf ("  MB    megabytes (1024*1024 bytes)\n");
  printf ("  GB    gigabytes (1024*1024*1024 bytes)\n");
  printf ("\n");
  printf ("Bitrates are displayed using the following units:\n");
  printf ("  bps   bits per second     (bit/s)\n");
  printf ("  kbps  kilobits per second (1000 bit/s)\n");
  printf ("  Mbps  megabits per second (1000000 bit/s)\n");
  printf ("  Gbps  gigabits per second (1000000000 bit/s)\n");
  printf ("\n");
77 78 79
  printf ("Please report bugs to <ogg-dev@xiph.org>\n");
}

80 81
#define SEP "------------------------------------------------------------"

conrad's avatar
conrad committed
82 83 84
typedef struct _OI_Info OI_Info;
typedef struct _OI_Stats OI_Stats;
typedef struct _OI_TrackInfo OI_TrackInfo;
85

conrad's avatar
conrad committed
86 87
/* Let's get functional */
typedef void (*OI_TrackFunc) (OI_Info * info, OI_TrackInfo * oit, long serialno);
andre's avatar
andre committed
88

conrad's avatar
conrad committed
89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110
struct _OI_Info {
  OggzTable * tracks;
  ogg_int64_t duration;
  long length_total;
};

struct _OI_Stats {
  /* Pass 1 */
  long count;
  long length_total;
  long length_min;
  long length_max;

  /* Pass 2 */
  long length_avg;
  long length_deviation_total;
  double length_stddev;
};

struct _OI_TrackInfo {
  OI_Stats pages;
  OI_Stats packets;
conrad's avatar
conrad committed
111
  const char * codec_name;
112
  char * codec_info;
conrad's avatar
conrad committed
113 114
};

115 116 117 118 119
static int show_length = 0;
static int show_bitrate = 0;
static int show_page_stats = 0;
static int show_packet_stats = 0;

conrad's avatar
conrad committed
120 121
static void
oggzinfo_apply (OI_TrackFunc func, OI_Info * info)
andre's avatar
andre committed
122
{
conrad's avatar
conrad committed
123 124 125
  OI_TrackInfo * oit;
  long serialno;
  int n, i;
andre's avatar
andre committed
126

conrad's avatar
conrad committed
127 128 129 130
  n = oggz_table_size (info->tracks);
  for (i = 0; i < n; i++) {
    oit = oggz_table_nth (info->tracks, i, &serialno);
    if (oit) func (info, oit, serialno);
andre's avatar
andre committed
131
  }
conrad's avatar
conrad committed
132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157
}

static void
oi_stats_clear (OI_Stats * stats)
{
  stats->count = 0;

  stats->length_total = 0;
  stats->length_min = LONG_MAX;
  stats->length_max = 0;

  stats->length_avg = 0;
  stats->length_deviation_total = 0;
  stats->length_stddev = 0;
}

static OI_TrackInfo *
oggzinfo_trackinfo_new (void)
{
  OI_TrackInfo * oit;

  oit = malloc (sizeof (OI_TrackInfo));

  oi_stats_clear (&oit->pages);
  oi_stats_clear (&oit->packets);

158 159 160
  oit->codec_name = NULL;
  oit->codec_info = NULL;

conrad's avatar
conrad committed
161 162 163 164 165 166
  return oit;
}

static long
oi_bitrate (long bytes, ogg_int64_t ms)
{
167 168
  if (ms == 0) return 0;
  else return (long) (((ogg_int64_t)bytes * 8 * 1000) / ms);
conrad's avatar
conrad committed
169 170 171 172 173
}

static void
oi_stats_print (OI_Info * info, OI_Stats * stats, char * label)
{
174
  printf ("\t%s-Length-Maximum: ", label);
175
  ot_fprint_bytes (stdout, stats->length_max);
176 177 178
  putchar ('\n');

  printf ("\t%s-Length-StdDev: ", label);
179
  ot_fprint_bytes (stdout, stats->length_stddev);
180 181 182
  putchar ('\n');

#if 0
conrad's avatar
conrad committed
183 184
  printf ("\t%s-Length-Maximum: %ld bytes\n", label, stats->length_max);
  /*printf ("\t%s-Length-Average: %ld bytes\n", label, stats->length_avg);*/
185
  printf ("\t%s-Length-StdDev: %.0f bytes\n", label, stats->length_stddev);
conrad's avatar
conrad committed
186 187 188 189
  /*
  printf ("\tRange: [%ld - %ld] bytes, Std.Dev. %.3f bytes\n",
	  stats->length_min, stats->length_max, stats->length_stddev);
  */
190
#endif
conrad's avatar
conrad committed
191 192 193 194 195 196
}

/* oggzinfo_trackinfo_print() */
static void
oit_print (OI_Info * info, OI_TrackInfo * oit, long serialno)
{
197
  printf ("\n%s: serialno %010ld\n", oit->codec_name, serialno);
198
  printf ("\t%ld packets in %ld pages, %.1f packets/page\n",
conrad's avatar
conrad committed
199 200
	  oit->packets.count, oit->pages.count,
	  (double)oit->packets.count / (double)oit->pages.count);
201 202

  if (show_length) {
203
    fputs("\tContent-Length: ", stdout);
204
    ot_fprint_bytes (stdout, oit->pages.length_total);
205
    putchar ('\n');
206 207 208
  }

  if (show_bitrate) {
209 210 211
    fputs ("\tContent-Bitrate-Average: ", stdout);
    ot_print_bitrate (oi_bitrate (oit->pages.length_total, info->duration));
    putchar ('\n');
212
  }
conrad's avatar
conrad committed
213

214
  if (oit->codec_info != NULL) {
215
    fputs (oit->codec_info, stdout);
216 217
  }

218 219 220
  if (show_page_stats) {
    oi_stats_print (info, &oit->pages, "Page");
  }
conrad's avatar
conrad committed
221

222 223 224
  if (show_packet_stats) {
    oi_stats_print (info, &oit->packets, "Packet");
  }
conrad's avatar
conrad committed
225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267
}

static void
oi_stats_average (OI_Stats * stats)
{
  stats->length_avg = stats->length_total / stats->count;
}

static void
oit_calc_average (OI_Info * info, OI_TrackInfo * oit, long serialno)
{
  oi_stats_average (&oit->pages);
  oi_stats_average (&oit->packets);
}

static void
oi_stats_stddev (OI_Stats * stats)
{
  double variance;

  variance = (double)stats->length_deviation_total / (double)(stats->count - 1);
  stats->length_stddev = sqrt (variance);

}

static void
oit_calc_stddev (OI_Info * info, OI_TrackInfo * oit, long serialno)
{
  oi_stats_stddev (&oit->pages);
  oi_stats_stddev (&oit->packets);
}

static int
read_page_pass1 (OGGZ * oggz, const ogg_page * og, long serialno, void * user_data)
{
  OI_Info * info = (OI_Info *)user_data;
  OI_TrackInfo * oit;
  long bytes;

  oit = oggz_table_lookup (info->tracks, serialno);
  if (oit == NULL) {
    oit = oggzinfo_trackinfo_new ();
    oggz_table_insert (info->tracks, serialno, oit);
andre's avatar
andre committed
268 269
  }

conrad's avatar
conrad committed
270
  if (ogg_page_bos ((ogg_page *)og)) {
271
    oit->codec_name = ot_page_identify (og, &oit->codec_info);
conrad's avatar
conrad committed
272 273
  }

conrad's avatar
conrad committed
274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372
  bytes = og->header_len + og->body_len;

  /* Increment the total stream length */
  info->length_total += bytes;

  /* Increment the page statistics */
  oit->pages.count++;
  oit->pages.length_total += bytes;
  if (bytes < oit->pages.length_min)
    oit->pages.length_min = bytes;
  if (bytes > oit->pages.length_max)
    oit->pages.length_max = bytes;

  return 0;
}

static int
read_page_pass2 (OGGZ * oggz, const ogg_page * og, long serialno, void * user_data)
{
  OI_Info * info = (OI_Info *)user_data;
  OI_TrackInfo * oit;
  long bytes, deviation;

  oit = oggz_table_lookup (info->tracks, serialno);

  /* Increment the page length deviation squared total */
  bytes = og->header_len + og->body_len;
  deviation = bytes - oit->pages.length_avg;
  oit->pages.length_deviation_total += (deviation * deviation);

  return 0;
}

static int
read_packet_pass1 (OGGZ * oggz, ogg_packet * op, long serialno,
		   void * user_data)
{
  OI_Info * info = (OI_Info *)user_data;
  OI_TrackInfo * oit;

  oit = oggz_table_lookup (info->tracks, serialno);

  /* Increment the packet statistics */
  oit->packets.count++;
  oit->packets.length_total += op->bytes;
  if (op->bytes < oit->packets.length_min)
    oit->packets.length_min = op->bytes;
  if (op->bytes > oit->packets.length_max)
    oit->packets.length_max = op->bytes;

  return 0;
}

static int
read_packet_pass2 (OGGZ * oggz, ogg_packet * op, long serialno,
		   void * user_data)
{
  OI_Info * info = (OI_Info *)user_data;
  OI_TrackInfo * oit;
  long deviation;

  oit = oggz_table_lookup (info->tracks, serialno);

  /* Increment the packet length deviation squared total */
  deviation = op->bytes - oit->packets.length_avg;
  oit->packets.length_deviation_total += (deviation * deviation);

  return 0;
}

static int
oi_pass1 (OGGZ * oggz, OI_Info * info)
{
  long n;

  oggz_seek (oggz, 0, SEEK_SET);
  oggz_set_read_page (oggz, -1, read_page_pass1, info);
  oggz_set_read_callback (oggz, -1, read_packet_pass1, info);

  while ((n = oggz_read (oggz, 1024)) > 0);

  oggzinfo_apply (oit_calc_average, info);

  return 0;
}

static int
oi_pass2 (OGGZ * oggz, OI_Info * info)
{
  long n;

  oggz_seek (oggz, 0, SEEK_SET);
  oggz_set_read_page (oggz, -1, read_page_pass2, info);
  oggz_set_read_callback (oggz, -1, read_packet_pass2, info);

  while ((n = oggz_read (oggz, 1024)) > 0);

  oggzinfo_apply (oit_calc_stddev, info);

andre's avatar
andre committed
373 374 375
  return 0;
}

376 377 378 379 380 381
static void
oit_delete (OI_Info * info, OI_TrackInfo * oit, long serialno)
{
  if (oit->codec_info) free (oit->codec_info);
}

andre's avatar
andre committed
382 383 384
int
main (int argc, char ** argv)
{
385 386 387 388 389 390 391
  int show_version = 0;
  int show_help = 0;

  char * progname;
  int i;
  int show_all = 0;

392
  int many_files = 0;
393
  char * infilename;
andre's avatar
andre committed
394
  OGGZ * oggz;
conrad's avatar
conrad committed
395
  OI_Info info;
andre's avatar
andre committed
396

397 398
  progname = argv[0];

andre's avatar
andre committed
399
  if (argc < 2) {
400
    usage (progname);
401
    return (1);
andre's avatar
andre committed
402 403
  }

404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479
  while (1) {
    char * optstring = "hvlbgpa";

#ifdef HAVE_GETOPT_LONG
    static struct option long_options[] = {
      {"help", no_argument, 0, 'h'},
      {"version", no_argument, 0, 'v'},
      {"length", no_argument, 0, 'l'},
      {"bitrate", no_argument, 0, 'b'},
      {"page-stats", no_argument, 0, 'g'},
      {"packet-stats", no_argument, 0, 'p'},
      {"all", no_argument, 0, 'a'},
      {0,0,0,0}
    };

    i = getopt_long (argc, argv, optstring, long_options, NULL);
#else
    i = getopt (argc, argv, optstring);
#endif
    if (i == -1) break;
    if (i == ':') {
      usage (progname);
      goto exit_err;
    }

    switch (i) {
    case 'h': /* help */
      show_help = 1;
      break;
    case 'v': /* version */
      show_version = 1;
      break;
    case 'l': /* length */
      show_length = 1;
      break;
    case 'b': /* bitrate */
      show_bitrate = 1;
      break;
    case 'g': /* page stats */
      show_page_stats = 1;
      break;
    case 'p': /* packet stats */
      show_packet_stats = 1;
      break;
    case 'a':
      show_all = 1;
      break;
    default:
      break;
    }
  }

  if (show_version) {
    printf ("%s version " VERSION "\n", progname);
  }

  if (show_help) {
    usage (progname);
  }

  if (show_version || show_help) {
    goto exit_ok;
  }

  if (optind >= argc) {
    usage (progname);
    goto exit_err;
  }

  if (show_all) {
    show_length = 1;
    show_bitrate = 1;
    show_page_stats = 1;
    show_packet_stats = 1;
  }

480 481
  if (argc > optind+1) {
    many_files = 1;
andre's avatar
andre committed
482 483
  }

484 485
  while (optind < argc) {
    infilename = argv[optind++];
conrad's avatar
conrad committed
486

487 488 489 490
    if ((oggz = oggz_open (infilename, OGGZ_READ|OGGZ_AUTO)) == NULL) {
      printf ("unable to open file %s\n", argv[1]);
      return (1);
    }
andre's avatar
andre committed
491

492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507
    info.tracks = oggz_table_new ();
    info.length_total = 0;
    
    oi_pass1 (oggz, &info);

    oggz_seek_units (oggz, 0, SEEK_END);
    info.duration = oggz_tell_units (oggz);
    
    oi_pass2 (oggz, &info);
    
    oggz_close (oggz);
    
    /* Print summary information */
    if (many_files)
      printf ("Filename: %s\n", infilename);
    fputs ("Content-Duration: ", stdout);
508
    ot_fprint_time (stdout, (double)info.duration / 1000.0);
509 510 511
    putchar ('\n');
    
    if (show_length) {
512
      fputs ("Content-Length: ", stdout);
513
      ot_fprint_bytes (stdout, info.length_total);
514
      putchar ('\n');
515 516 517
    }
    
    if (show_bitrate) {
518 519 520
      fputs ("Content-Bitrate-Average: ", stdout);
      ot_print_bitrate (oi_bitrate (info.length_total, info.duration));
      putchar ('\n');
521
    }
522

523 524 525 526
    oggzinfo_apply (oit_print, &info);
    
    oggzinfo_apply (oit_delete, &info);
    oggz_table_delete (info.tracks);
527

528
    if (optind < argc) puts (SEP);
529
  }
conrad's avatar
conrad committed
530

531 532 533 534 535
 exit_ok:
  exit (0);

 exit_err:
  exit (1);
andre's avatar
andre committed
536
}