src/test_seeking/main.c

   1 /* test_seeking - Seeking tester for libFLAC and libOggFLAC
   2  * Copyright (C) 2004,2005  Josh Coalson
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License
   6  * as published by the Free Software Foundation; either version 2
   7  * of the License, or (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  17  */
  18
  19 #ifdef HAVE_CONFIG_H
  20 #include <config.h>
  21 #endif
  22
  23 #include <signal.h>
  24 #include <stdio.h>
  25 #include <stdlib.h>
  26 #include <string.h>
  27 #if defined _MSC_VER || defined __MINGW32__
  28 #include <time.h>
  29 #else
  30 #include <sys/time.h>
  31 #endif
  32 #include <sys/stat.h> /* for stat() */
  33 #include "FLAC/assert.h"
  34 #include "FLAC/file_decoder.h"
  35 #ifdef FLAC__HAS_OGG
  36 #include "OggFLAC/file_decoder.h"
  37 #endif
  38
  39 typedef struct {
  40         FLAC__bool got_data;
  41         FLAC__uint64 total_samples;
  42         unsigned channels;
  43         unsigned bits_per_sample;
  44         FLAC__bool ignore_errors;
  45         FLAC__bool error_occurred;
  46 } decoder_client_data_struct;
  47
  48 static FLAC__bool stop_signal_ = false;
  49
  50 static void our_sigint_handler_(int signal)
  51 {
  52         (void)signal;
  53         printf("(caught SIGINT) ");
  54         fflush(stdout);
  55         stop_signal_ = true;
  56 }
  57
  58 static FLAC__bool die_(const char *msg)
  59 {
  60         printf("ERROR: %s\n", msg);
  61         return false;
  62 }
  63
  64 static FLAC__bool die_f_(const char *msg, const FLAC__FileDecoder *decoder)
  65 {
  66         FLAC__FileDecoderState state = FLAC__file_decoder_get_state(decoder);
  67
  68         if(msg)
  69                 printf("FAILED, %s", msg);
  70         else
  71                 printf("FAILED");
  72
  73         printf(", state = %u (%s)\n", (unsigned)state, FLAC__FileDecoderStateString[state]);
  74         if(state == FLAC__FILE_DECODER_SEEKABLE_STREAM_DECODER_ERROR) {
  75                 FLAC__SeekableStreamDecoderState state_ = FLAC__file_decoder_get_seekable_stream_decoder_state(decoder);
  76                 printf("      seekable stream decoder state = %u (%s)\n", (unsigned)state, FLAC__SeekableStreamDecoderStateString[state_]);
  77                 if(state_ == FLAC__SEEKABLE_STREAM_DECODER_STREAM_DECODER_ERROR) {
  78                         FLAC__StreamDecoderState state__ = FLAC__file_decoder_get_stream_decoder_state(decoder);
  79                         printf("      stream decoder state = %u (%s)\n", (unsigned)state__, FLAC__StreamDecoderStateString[state__]);
  80                 }
  81         }
  82
  83         return false;
  84 }
  85
  86 #ifdef FLAC__HAS_OGG
  87 static FLAC__bool die_of_(const char *msg, const OggFLAC__FileDecoder *decoder)
  88 {
  89         OggFLAC__FileDecoderState state = OggFLAC__file_decoder_get_state(decoder);
  90
  91         if(msg)
  92                 printf("FAILED, %s", msg);
  93         else
  94                 printf("FAILED");
  95
  96         printf(", state = %u (%s)\n", (unsigned)state, OggFLAC__SeekableStreamDecoderStateString[state]);
  97         if(state == OggFLAC__FILE_DECODER_SEEKABLE_STREAM_DECODER_ERROR) {
  98                 OggFLAC__SeekableStreamDecoderState state_ = OggFLAC__file_decoder_get_seekable_stream_decoder_state(decoder);
  99                 printf("      seekable stream decoder state = %u (%s)\n", (unsigned)state_, OggFLAC__SeekableStreamDecoderStateString[state_]);
 100                 if(state_ == OggFLAC__SEEKABLE_STREAM_DECODER_STREAM_DECODER_ERROR) {
 101                         OggFLAC__StreamDecoderState state__ = OggFLAC__file_decoder_get_stream_decoder_state(decoder);
 102                         printf("      stream decoder state = %u (%s)\n", (unsigned)state__, OggFLAC__StreamDecoderStateString[state__]);
 103                         if(state__ == OggFLAC__STREAM_DECODER_FLAC_STREAM_DECODER_ERROR) {
 104                                 FLAC__StreamDecoderState state___ = OggFLAC__file_decoder_get_FLAC_stream_decoder_state(decoder);
 105                                 printf("      FLAC stream decoder state = %u (%s)\n", (unsigned)state___, FLAC__StreamDecoderStateString[state___]);
 106                         }
 107                 }
 108         }
 109
 110         return false;
 111 }
 112 #endif
 113
 114 static off_t get_filesize_(const char *srcpath)
 115 {
 116         struct stat srcstat;
 117
 118         if(0 == stat(srcpath, &srcstat))
 119                 return srcstat.st_size;
 120         else
 121                 return -1;
 122 }
 123
 124 static FLAC__StreamDecoderWriteStatus file_decoder_write_callback_(const FLAC__FileDecoder *decoder, const FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *client_data)
 125 {
 126         decoder_client_data_struct *dcd = (decoder_client_data_struct*)client_data;
 127
 128         (void)decoder, (void)buffer;
 129
 130         if(0 == dcd) {
 131                 printf("ERROR: client_data in write callback is NULL\n");
 132                 return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
 133         }
 134
 135         if(dcd->error_occurred)
 136                 return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
 137
 138         if (frame->header.number_type == FLAC__FRAME_NUMBER_TYPE_FRAME_NUMBER)
 139                 printf("frame@%uf(%u)... ", frame->header.number.frame_number, frame->header.blocksize);
 140         else if (frame->header.number_type == FLAC__FRAME_NUMBER_TYPE_SAMPLE_NUMBER)
 141                 printf("frame@%llu(%u)... ", frame->header.number.sample_number, frame->header.blocksize);
 142         else {
 143                 FLAC__ASSERT(0);
 144                 dcd->error_occurred = true;
 145                 return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
 146         }
 147         fflush(stdout);
 148
 149         return FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE;
 150 }
 151
 152 static void file_decoder_metadata_callback_(const FLAC__FileDecoder *decoder, const FLAC__StreamMetadata *metadata, void *client_data)
 153 {
 154         decoder_client_data_struct *dcd = (decoder_client_data_struct*)client_data;
 155
 156         (void)decoder;
 157
 158         if(0 == dcd) {
 159                 printf("ERROR: client_data in metadata callback is NULL\n");
 160                 return;
 161         }
 162
 163         if(dcd->error_occurred)
 164                 return;
 165
 166         if (!dcd->got_data && metadata->type == FLAC__METADATA_TYPE_STREAMINFO) {
 167                 dcd->got_data = true;
 168                 dcd->total_samples = metadata->data.stream_info.total_samples;
 169                 dcd->channels = metadata->data.stream_info.channels;
 170                 dcd->bits_per_sample = metadata->data.stream_info.bits_per_sample;
 171         }
 172 }
 173
 174 static void file_decoder_error_callback_(const FLAC__FileDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *client_data)
 175 {
 176         decoder_client_data_struct *dcd = (decoder_client_data_struct*)client_data;
 177
 178         (void)decoder;
 179
 180         if(0 == dcd) {
 181                 printf("ERROR: client_data in error callback is NULL\n");
 182                 return;
 183         }
 184
 185         if(!dcd->ignore_errors) {
 186                 printf("ERROR: got error callback: err = %u (%s)\n", (unsigned)status, FLAC__StreamDecoderErrorStatusString[status]);
 187                 dcd->error_occurred = true;
 188         }
 189 }
 190
 191 static FLAC__bool seek_barrage_native_flac(const char *filename, off_t filesize, unsigned count)
 192 {
 193         FLAC__FileDecoder *decoder;
 194         decoder_client_data_struct decoder_client_data;
 195         unsigned i;
 196         long int n;
 197
 198         decoder_client_data.got_data = false;
 199         decoder_client_data.total_samples = 0;
 200         decoder_client_data.ignore_errors = false;
 201         decoder_client_data.error_occurred = false;
 202
 203         printf("\n+++ seek test: FLAC__FileDecoder\n\n");
 204
 205         decoder = FLAC__file_decoder_new();
 206         if(0 == decoder)
 207                 return die_("FLAC__file_decoder_new() FAILED, returned NULL\n");
 208
 209         if(!FLAC__file_decoder_set_write_callback(decoder, file_decoder_write_callback_))
 210                 return die_f_("FLAC__file_decoder_set_write_callback() FAILED", decoder);
 211
 212         if(!FLAC__file_decoder_set_metadata_callback(decoder, file_decoder_metadata_callback_))
 213                 return die_f_("FLAC__file_decoder_set_metadata_callback() FAILED", decoder);
 214
 215         if(!FLAC__file_decoder_set_error_callback(decoder, file_decoder_error_callback_))
 216                 return die_f_("FLAC__file_decoder_set_error_callback() FAILED", decoder);
 217
 218         if(!FLAC__file_decoder_set_client_data(decoder, &decoder_client_data))
 219                 return die_f_("FLAC__file_decoder_set_client_data() FAILED", decoder);
 220
 221         if(!FLAC__file_decoder_set_filename(decoder, filename))
 222                 return die_f_("FLAC__file_decoder_set_filename() FAILED", decoder);
 223
 224         if(FLAC__file_decoder_init(decoder) != FLAC__FILE_DECODER_OK)
 225                 return die_f_("FLAC__file_decoder_init() FAILED", decoder);
 226
 227         if(!FLAC__file_decoder_process_until_end_of_metadata(decoder))
 228                 return die_f_("FLAC__file_decoder_process_until_end_of_metadata() FAILED", decoder);
 229
 230         printf("file's total_samples is %llu\n", decoder_client_data.total_samples);
 231         if (decoder_client_data.total_samples > (FLAC__uint64)RAND_MAX) {
 232                 printf("ERROR: must be total_samples < %u\n", (unsigned)RAND_MAX);
 233                 return false;
 234         }
 235         n = (long int)decoder_client_data.total_samples;
 236
 237         /* if we don't have a total samples count, just guess based on the file size */
 238         /* @@@ should get it from last page's granulepos */
 239         if(n == 0) {
 240                 /* 8 would imply no compression, 9 guarantees that we will get some samples off the end of the stream to test that case */
 241                 n = 9 * filesize / (decoder_client_data.channels * decoder_client_data.bits_per_sample);
 242                 if(n > RAND_MAX)
 243                         n = RAND_MAX;
 244         }
 245
 246         printf("Begin seek barrage, count=%u\n", count);
 247
 248         for (i = 0; !stop_signal_ && (count == 0 || i < count); i++) {
 249                 FLAC__uint64 pos;
 250
 251                 /* for the first 10, seek to the first 10 samples */
 252                 if (n >= 10 && i < 10) {
 253                         pos = i;
 254                 }
 255                 /* for the second 10, seek to the last 10 samples */
 256                 else if (n >= 10 && i < 20) {
 257                         pos = n - 1 - (i-10);
 258                 }
 259                 /* for the third 10, seek past the end and make sure we fail properly as expected */
 260                 else if (i < 30) {
 261                         pos = n + (i-20);
 262                 }
 263                 else {
 264 #if !defined _MSC_VER && !defined __MINGW32__
 265                         pos = (FLAC__uint64)(random() % n);
 266 #else
 267                         pos = (FLAC__uint64)(rand() % n);
 268 #endif
 269                 }
 270
 271                 printf("seek(%llu)... ", pos);
 272                 fflush(stdout);
 273                 if(!FLAC__file_decoder_seek_absolute(decoder, pos)) {
 274                         if(pos < (FLAC__uint64)n && decoder_client_data.total_samples != 0)
 275                                 return die_f_("FLAC__file_decoder_seek_absolute() FAILED", decoder);
 276                         else if(decoder_client_data.total_samples == 0)
 277                                 printf("seek failed, assuming it was past EOF... ");
 278                         else
 279                                 printf("seek past end failed as expected... ");
 280
 281                         /* hack to work around a deficiency in the seek API's behavior */
 282                         /* seeking past EOF sets the file decoder state to non-OK and there's no ..._flush() or ..._reset() call to reset it */
 283                         if(!FLAC__file_decoder_finish(decoder))
 284                                 return die_f_("FLAC__file_decoder_finish() FAILED", decoder);
 285
 286                         if(!FLAC__file_decoder_set_write_callback(decoder, file_decoder_write_callback_))
 287                                 return die_f_("FLAC__file_decoder_set_write_callback() FAILED", decoder);
 288
 289                         if(!FLAC__file_decoder_set_metadata_callback(decoder, file_decoder_metadata_callback_))
 290                                 return die_f_("FLAC__file_decoder_set_metadata_callback() FAILED", decoder);
 291
 292                         if(!FLAC__file_decoder_set_error_callback(decoder, file_decoder_error_callback_))
 293                                 return die_f_("FLAC__file_decoder_set_error_callback() FAILED", decoder);
 294
 295                         if(!FLAC__file_decoder_set_client_data(decoder, &decoder_client_data))
 296                                 return die_f_("FLAC__file_decoder_set_client_data() FAILED", decoder);
 297
 298                         if(!FLAC__file_decoder_set_filename(decoder, filename))
 299                                 return die_f_("FLAC__file_decoder_set_filename() FAILED", decoder);
 300
 301                         if(FLAC__file_decoder_init(decoder) != FLAC__FILE_DECODER_OK)
 302                                 return die_f_("FLAC__file_decoder_init() FAILED", decoder);
 303
 304                         if(!FLAC__file_decoder_process_until_end_of_metadata(decoder))
 305                                 return die_f_("FLAC__file_decoder_process_until_end_of_metadata() FAILED", decoder);
 306                 }
 307                 else {
 308                         printf("decode_frame... ");
 309                         fflush(stdout);
 310                         if(!FLAC__file_decoder_process_single(decoder))
 311                                 return die_f_("FLAC__file_decoder_process_single() FAILED", decoder);
 312
 313                         printf("decode_frame... ");
 314                         fflush(stdout);
 315                         if(!FLAC__file_decoder_process_single(decoder))
 316                                 return die_f_("FLAC__file_decoder_process_single() FAILED", decoder);
 317                 }
 318
 319                 printf("OK\n");
 320                 fflush(stdout);
 321         }
 322
 323         if(FLAC__file_decoder_get_state(decoder) != FLAC__FILE_DECODER_UNINITIALIZED) {
 324                 if(!FLAC__file_decoder_finish(decoder))
 325                         return die_f_("FLAC__file_decoder_finish() FAILED", decoder);
 326         }
 327
 328         printf("\nPASSED!\n");
 329
 330         return true;
 331 }
 332
 333 #ifdef FLAC__HAS_OGG
 334 static FLAC__bool seek_barrage_ogg_flac(const char *filename, off_t filesize, unsigned count)
 335 {
 336         OggFLAC__FileDecoder *decoder;
 337         decoder_client_data_struct decoder_client_data;
 338         unsigned i;
 339         long int n;
 340
 341         decoder_client_data.got_data = false;
 342         decoder_client_data.total_samples = 0;
 343         decoder_client_data.ignore_errors = false;
 344         decoder_client_data.error_occurred = false;
 345
 346         printf("\n+++ seek test: OggFLAC__FileDecoder\n\n");
 347
 348         decoder = OggFLAC__file_decoder_new();
 349         if(0 == decoder)
 350                 return die_("OggFLAC__file_decoder_new() FAILED, returned NULL\n");
 351
 352         if(!OggFLAC__file_decoder_set_write_callback(decoder, (OggFLAC__FileDecoderWriteCallback)file_decoder_write_callback_))
 353                 return die_of_("OggFLAC__file_decoder_set_write_callback() FAILED", decoder);
 354
 355         if(!OggFLAC__file_decoder_set_metadata_callback(decoder, (OggFLAC__FileDecoderMetadataCallback)file_decoder_metadata_callback_))
 356                 return die_of_("OggFLAC__file_decoder_set_metadata_callback() FAILED", decoder);
 357
 358         if(!OggFLAC__file_decoder_set_error_callback(decoder, (OggFLAC__FileDecoderErrorCallback)file_decoder_error_callback_))
 359                 return die_of_("OggFLAC__file_decoder_set_error_callback() FAILED", decoder);
 360
 361         if(!OggFLAC__file_decoder_set_client_data(decoder, &decoder_client_data))
 362                 return die_of_("OggFLAC__file_decoder_set_client_data() FAILED", decoder);
 363
 364         if(!OggFLAC__file_decoder_set_filename(decoder, filename))
 365                 return die_of_("OggFLAC__file_decoder_set_filename() FAILED", decoder);
 366
 367         if(OggFLAC__file_decoder_init(decoder) != OggFLAC__FILE_DECODER_OK)
 368                 return die_of_("OggFLAC__file_decoder_init() FAILED", decoder);
 369
 370         if(!OggFLAC__file_decoder_process_until_end_of_metadata(decoder))
 371                 return die_of_("OggFLAC__file_decoder_process_until_end_of_metadata() FAILED", decoder);
 372
 373         printf("file's total_samples is %llu\n", decoder_client_data.total_samples);
 374         if (decoder_client_data.total_samples > (FLAC__uint64)RAND_MAX) {
 375                 printf("ERROR: must be total_samples < %u\n", (unsigned)RAND_MAX);
 376                 return false;
 377         }
 378         n = (long int)decoder_client_data.total_samples;
 379
 380         /* if we don't have a total samples count, just guess based on the file size */
 381         if(n == 0) {
 382                 /* 8 would imply no compression, 9 guarantees that we will get some samples off the end of the stream to test that case */
 383                 n = 9 * filesize / (decoder_client_data.channels * decoder_client_data.bits_per_sample);
 384                 if(n > RAND_MAX)
 385                         n = RAND_MAX;
 386         }
 387
 388         printf("Begin seek barrage, count=%u\n", count);
 389
 390         for (i = 0; !stop_signal_ && (count == 0 || i < count); i++) {
 391                 FLAC__uint64 pos;
 392
 393                 /* for the first 10, seek to the first 10 samples */
 394                 if (n >= 10 && i < 10) {
 395                         pos = i;
 396                 }
 397                 /* for the second 10, seek to the last 10 samples */
 398                 else if (n >= 10 && i < 20) {
 399                         pos = n - 1 - (i-10);
 400                 }
 401                 /* for the third 10, seek past the end and make sure we fail properly as expected */
 402                 else if (i < 30) {
 403                         pos = n + (i-20);
 404                 }
 405                 else {
 406 #if !defined _MSC_VER && !defined __MINGW32__
 407                         pos = (FLAC__uint64)(random() % n);
 408 #else
 409                         pos = (FLAC__uint64)(rand() % n);
 410 #endif
 411                 }
 412
 413                 printf("seek(%llu)... ", pos);
 414                 fflush(stdout);
 415                 if(!OggFLAC__file_decoder_seek_absolute(decoder, pos)) {
 416                         if(pos < (FLAC__uint64)n && decoder_client_data.total_samples != 0)
 417                                 return die_of_("OggFLAC__file_decoder_seek_absolute() FAILED", decoder);
 418                         else if(decoder_client_data.total_samples == 0)
 419                                 printf("seek failed, assuming it was past EOF... ");
 420                         else
 421                                 printf("seek past end failed as expected... ");
 422                         /* hack to work around a deficiency in the seek API's behavior */
 423                         /* seeking past EOF sets the file decoder state to non-OK and there's no ..._flush() or ..._reset() call to reset it */
 424                         if(!OggFLAC__file_decoder_finish(decoder))
 425                                 return die_of_("OggFLAC__file_decoder_finish() FAILED", decoder);
 426
 427                         if(!OggFLAC__file_decoder_set_write_callback(decoder, (OggFLAC__FileDecoderWriteCallback)file_decoder_write_callback_))
 428                                 return die_of_("OggFLAC__file_decoder_set_write_callback() FAILED", decoder);
 429
 430                         if(!OggFLAC__file_decoder_set_metadata_callback(decoder, (OggFLAC__FileDecoderMetadataCallback)file_decoder_metadata_callback_))
 431                                 return die_of_("OggFLAC__file_decoder_set_metadata_callback() FAILED", decoder);
 432
 433                         if(!OggFLAC__file_decoder_set_error_callback(decoder, (OggFLAC__FileDecoderErrorCallback)file_decoder_error_callback_))
 434                                 return die_of_("OggFLAC__file_decoder_set_error_callback() FAILED", decoder);
 435
 436                         if(!OggFLAC__file_decoder_set_client_data(decoder, &decoder_client_data))
 437                                 return die_of_("OggFLAC__file_decoder_set_client_data() FAILED", decoder);
 438
 439                         if(!OggFLAC__file_decoder_set_filename(decoder, filename))
 440                                 return die_of_("OggFLAC__file_decoder_set_filename() FAILED", decoder);
 441
 442                         if(OggFLAC__file_decoder_init(decoder) != OggFLAC__FILE_DECODER_OK)
 443                                 return die_of_("OggFLAC__file_decoder_init() FAILED", decoder);
 444
 445                         if(!OggFLAC__file_decoder_process_until_end_of_metadata(decoder))
 446                                 return die_of_("OggFLAC__file_decoder_process_until_end_of_metadata() FAILED", decoder);
 447                 }
 448                 else {
 449                         printf("decode_frame... ");
 450                         fflush(stdout);
 451                         if(!OggFLAC__file_decoder_process_single(decoder))
 452                                 return die_of_("OggFLAC__file_decoder_process_single() FAILED", decoder);
 453
 454                         printf("decode_frame... ");
 455                         fflush(stdout);
 456                         if(!OggFLAC__file_decoder_process_single(decoder))
 457                                 return die_of_("OggFLAC__file_decoder_process_single() FAILED", decoder);
 458                 }
 459
 460                 printf("OK\n");
 461                 fflush(stdout);
 462         }
 463
 464         if(OggFLAC__file_decoder_get_state(decoder) != OggFLAC__FILE_DECODER_UNINITIALIZED) {
 465                 if(!OggFLAC__file_decoder_finish(decoder))
 466                         return die_of_("OggFLAC__file_decoder_finish() FAILED", decoder);
 467         }
 468
 469         printf("\nPASSED!\n");
 470
 471         return true;
 472 }
 473 #endif
 474
 475 int main(int argc, char *argv[])
 476 {
 477         const char *filename;
 478         unsigned count = 0;
 479         off_t filesize;
 480
 481         static const char * const usage = "usage: test_seeking file.flac [#seeks]\n";
 482
 483         if (argc < 1 || argc > 3) {
 484                 fprintf(stderr, usage);
 485                 return 1;
 486         }
 487
 488         filename = argv[1];
 489
 490         if (argc > 2)
 491                 count = strtoul(argv[2], 0, 10);
 492
 493         if (count < 30)
 494                 fprintf(stderr, "WARNING: random seeks don't kick in until after 30 preprogrammed ones\n");
 495
 496 #if !defined _MSC_VER && !defined __MINGW32__
 497         {
 498                 struct timeval tv;
 499
 500                 if (gettimeofday(&tv, 0) < 0) {
 501                         fprintf(stderr, "WARNING: couldn't seed RNG with time\n");
 502                         tv.tv_usec = 4321;
 503                 }
 504                 srandom(tv.tv_usec);
 505         }
 506 #else
 507         srand(time(0));
 508 #endif
 509
 510         filesize = get_filesize_(filename);
 511         if (filesize < 0) {
 512                 fprintf(stderr, "ERROR: can't determine filesize for %s\n", filename);
 513                 return 1;
 514         }
 515
 516         (void) signal(SIGINT, our_sigint_handler_);
 517
 518         {
 519                 FLAC__bool ok;
 520                 if (strlen(filename) > 4 && 0 == strcmp(filename+strlen(filename)-4, ".ogg")) {
 521 #ifdef FLAC__HAS_OGG
 522                         ok = seek_barrage_ogg_flac(filename, filesize, count);
 523 #else
 524                         fprintf(stderr, "ERROR: Ogg FLAC not supported\n");
 525                         ok = false;
 526 #endif
 527                 }
 528                 else {
 529                         ok = seek_barrage_native_flac(filename, filesize, count);
 530                 }
 531                 return ok? 0 : 2;
 532         }
 533 }