src/test_libFLAC/encoders.c

   1 /* test_libFLAC - Unit tester for libFLAC
   2  * Copyright (C) 2002,2003,2004,2005,2006  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 #if HAVE_CONFIG_H
  20 #  include <config.h>
  21 #endif
  22
  23 #include <errno.h>
  24 #include <stdio.h>
  25 #include <stdlib.h>
  26 #include <string.h>
  27 #include "encoders.h"
  28 #include "FLAC/assert.h"
  29 #include "FLAC/stream_encoder.h"
  30 #include "share/grabbag.h"
  31 #include "test_libs_common/file_utils_flac.h"
  32 #include "test_libs_common/metadata_utils.h"
  33
  34 typedef enum {
  35         LAYER_STREAM = 0, /* FLAC__stream_encoder_init_[ogg_]stream() without seeking */
  36         LAYER_SEEKABLE_STREAM, /* FLAC__stream_encoder_init_[ogg_]stream() with seeking */
  37         LAYER_FILE, /* FLAC__stream_encoder_init_[ogg_]FILE() */
  38         LAYER_FILENAME /* FLAC__stream_encoder_init_[ogg_]file() */
  39 } Layer;
  40
  41 static const char * const LayerString[] = {
  42         "Stream",
  43         "Seekable Stream",
  44         "FILE*",
  45         "Filename"
  46 };
  47
  48 static FLAC__StreamMetadata streaminfo_, padding_, seektable_, application1_, application2_, vorbiscomment_, cuesheet_, picture_, unknown_;
  49 static FLAC__StreamMetadata *metadata_sequence_[] = { &vorbiscomment_, &padding_, &seektable_, &application1_, &application2_, &cuesheet_, &picture_, &unknown_ };
  50 static const unsigned num_metadata_ = sizeof(metadata_sequence_) / sizeof(metadata_sequence_[0]);
  51
  52 static const char *flacfilename(FLAC__bool is_ogg)
  53 {
  54         return is_ogg? "metadata.ogg" : "metadata.flac";
  55 }
  56
  57 static FLAC__bool die_(const char *msg)
  58 {
  59         printf("ERROR: %s\n", msg);
  60         return false;
  61 }
  62
  63 static FLAC__bool die_s_(const char *msg, const FLAC__StreamEncoder *encoder)
  64 {
  65         FLAC__StreamEncoderState state = FLAC__stream_encoder_get_state(encoder);
  66
  67         if(msg)
  68                 printf("FAILED, %s", msg);
  69         else
  70                 printf("FAILED");
  71
  72         printf(", state = %u (%s)\n", (unsigned)state, FLAC__StreamEncoderStateString[state]);
  73         if(state == FLAC__STREAM_ENCODER_VERIFY_DECODER_ERROR) {
  74                 FLAC__StreamDecoderState dstate = FLAC__stream_encoder_get_verify_decoder_state(encoder);
  75                 printf("      verify decoder state = %u (%s)\n", (unsigned)dstate, FLAC__StreamDecoderStateString[dstate]);
  76         }
  77
  78         return false;
  79 }
  80
  81 static void init_metadata_blocks_()
  82 {
  83         mutils__init_metadata_blocks(&streaminfo_, &padding_, &seektable_, &application1_, &application2_, &vorbiscomment_, &cuesheet_, &picture_, &unknown_);
  84 }
  85
  86 static void free_metadata_blocks_()
  87 {
  88         mutils__free_metadata_blocks(&streaminfo_, &padding_, &seektable_, &application1_, &application2_, &vorbiscomment_, &cuesheet_, &picture_, &unknown_);
  89 }
  90
  91 static FLAC__StreamEncoderReadStatus stream_encoder_read_callback_(const FLAC__StreamEncoder *encoder, FLAC__byte buffer[], size_t *bytes, void *client_data)
  92 {
  93         (void)encoder, (void)buffer, (void)bytes, (void)client_data;
  94         memset(buffer, 0, *bytes); /* init buffer to avoid valgrind errors */
  95         return FLAC__STREAM_ENCODER_READ_STATUS_CONTINUE;
  96 }
  97
  98 static FLAC__StreamEncoderWriteStatus stream_encoder_write_callback_(const FLAC__StreamEncoder *encoder, const FLAC__byte buffer[], unsigned bytes, unsigned samples, unsigned current_frame, void *client_data)
  99 {
 100         (void)encoder, (void)buffer, (void)bytes, (void)samples, (void)current_frame, (void)client_data;
 101         return FLAC__STREAM_ENCODER_WRITE_STATUS_OK;
 102 }
 103
 104 static FLAC__StreamEncoderSeekStatus stream_encoder_seek_callback_(const FLAC__StreamEncoder *encoder, FLAC__uint64 absolute_byte_offset, void *client_data)
 105 {
 106         (void)encoder, (void)absolute_byte_offset, (void)client_data;
 107         return FLAC__STREAM_ENCODER_SEEK_STATUS_OK;
 108 }
 109
 110 static FLAC__StreamEncoderTellStatus stream_encoder_tell_callback_(const FLAC__StreamEncoder *encoder, FLAC__uint64 *absolute_byte_offset, void *client_data)
 111 {
 112         (void)encoder, (void)client_data;
 113         *absolute_byte_offset = 0;
 114         return FLAC__STREAM_ENCODER_TELL_STATUS_OK;
 115 }
 116
 117 static void stream_encoder_metadata_callback_(const FLAC__StreamEncoder *encoder, const FLAC__StreamMetadata *metadata, void *client_data)
 118 {
 119         (void)encoder, (void)metadata, (void)client_data;
 120 }
 121
 122 static void stream_encoder_progress_callback_(const FLAC__StreamEncoder *encoder, FLAC__uint64 bytes_written, FLAC__uint64 samples_written, unsigned frames_written, unsigned total_frames_estimate, void *client_data)
 123 {
 124         (void)encoder, (void)bytes_written, (void)samples_written, (void)frames_written, (void)total_frames_estimate, (void)client_data;
 125 }
 126
 127 static FLAC__bool test_stream_encoder(Layer layer, FLAC__bool is_ogg)
 128 {
 129         FLAC__StreamEncoder *encoder;
 130         FLAC__StreamEncoderInitStatus init_status;
 131         FLAC__StreamEncoderState state;
 132         FLAC__StreamDecoderState dstate;
 133         FILE *file = 0;
 134         FLAC__int32 samples[1024];
 135         FLAC__int32 *samples_array[1];
 136         unsigned i;
 137
 138         samples_array[0] = samples;
 139
 140         printf("\n+++ libFLAC unit test: FLAC__StreamEncoder (layer: %s, format: %s)\n\n", LayerString[layer], is_ogg? "Ogg FLAC":"FLAC");
 141
 142         printf("testing FLAC__stream_encoder_new()... ");
 143         encoder = FLAC__stream_encoder_new();
 144         if(0 == encoder) {
 145                 printf("FAILED, returned NULL\n");
 146                 return false;
 147         }
 148         printf("OK\n");
 149
 150         if(is_ogg) {
 151                 printf("testing FLAC__stream_encoder_set_ogg_serial_number()... ");
 152                 if(!FLAC__stream_encoder_set_ogg_serial_number(encoder, file_utils__ogg_serial_number))
 153                         return die_s_("returned false", encoder);
 154                 printf("OK\n");
 155         }
 156
 157         printf("testing FLAC__stream_encoder_set_verify()... ");
 158         if(!FLAC__stream_encoder_set_verify(encoder, true))
 159                 return die_s_("returned false", encoder);
 160         printf("OK\n");
 161
 162         printf("testing FLAC__stream_encoder_set_streamable_subset()... ");
 163         if(!FLAC__stream_encoder_set_streamable_subset(encoder, true))
 164                 return die_s_("returned false", encoder);
 165         printf("OK\n");
 166
 167         printf("testing FLAC__stream_encoder_set_do_mid_side_stereo()... ");
 168         if(!FLAC__stream_encoder_set_do_mid_side_stereo(encoder, false))
 169                 return die_s_("returned false", encoder);
 170         printf("OK\n");
 171
 172         printf("testing FLAC__stream_encoder_set_loose_mid_side_stereo()... ");
 173         if(!FLAC__stream_encoder_set_loose_mid_side_stereo(encoder, false))
 174                 return die_s_("returned false", encoder);
 175         printf("OK\n");
 176
 177         printf("testing FLAC__stream_encoder_set_channels()... ");
 178         if(!FLAC__stream_encoder_set_channels(encoder, streaminfo_.data.stream_info.channels))
 179                 return die_s_("returned false", encoder);
 180         printf("OK\n");
 181
 182         printf("testing FLAC__stream_encoder_set_bits_per_sample()... ");
 183         if(!FLAC__stream_encoder_set_bits_per_sample(encoder, streaminfo_.data.stream_info.bits_per_sample))
 184                 return die_s_("returned false", encoder);
 185         printf("OK\n");
 186
 187         printf("testing FLAC__stream_encoder_set_sample_rate()... ");
 188         if(!FLAC__stream_encoder_set_sample_rate(encoder, streaminfo_.data.stream_info.sample_rate))
 189                 return die_s_("returned false", encoder);
 190         printf("OK\n");
 191
 192         printf("testing FLAC__stream_encoder_set_blocksize()... ");
 193         if(!FLAC__stream_encoder_set_blocksize(encoder, streaminfo_.data.stream_info.min_blocksize))
 194                 return die_s_("returned false", encoder);
 195         printf("OK\n");
 196
 197         printf("testing FLAC__stream_encoder_set_max_lpc_order()... ");
 198         if(!FLAC__stream_encoder_set_max_lpc_order(encoder, 0))
 199                 return die_s_("returned false", encoder);
 200         printf("OK\n");
 201
 202         printf("testing FLAC__stream_encoder_set_qlp_coeff_precision()... ");
 203         if(!FLAC__stream_encoder_set_qlp_coeff_precision(encoder, 0))
 204                 return die_s_("returned false", encoder);
 205         printf("OK\n");
 206
 207         printf("testing FLAC__stream_encoder_set_do_qlp_coeff_prec_search()... ");
 208         if(!FLAC__stream_encoder_set_do_qlp_coeff_prec_search(encoder, false))
 209                 return die_s_("returned false", encoder);
 210         printf("OK\n");
 211
 212         printf("testing FLAC__stream_encoder_set_do_escape_coding()... ");
 213         if(!FLAC__stream_encoder_set_do_escape_coding(encoder, false))
 214                 return die_s_("returned false", encoder);
 215         printf("OK\n");
 216
 217         printf("testing FLAC__stream_encoder_set_do_exhaustive_model_search()... ");
 218         if(!FLAC__stream_encoder_set_do_exhaustive_model_search(encoder, false))
 219                 return die_s_("returned false", encoder);
 220         printf("OK\n");
 221
 222         printf("testing FLAC__stream_encoder_set_min_residual_partition_order()... ");
 223         if(!FLAC__stream_encoder_set_min_residual_partition_order(encoder, 0))
 224                 return die_s_("returned false", encoder);
 225         printf("OK\n");
 226
 227         printf("testing FLAC__stream_encoder_set_max_residual_partition_order()... ");
 228         if(!FLAC__stream_encoder_set_max_residual_partition_order(encoder, 0))
 229                 return die_s_("returned false", encoder);
 230         printf("OK\n");
 231
 232         printf("testing FLAC__stream_encoder_set_rice_parameter_search_dist()... ");
 233         if(!FLAC__stream_encoder_set_rice_parameter_search_dist(encoder, 0))
 234                 return die_s_("returned false", encoder);
 235         printf("OK\n");
 236
 237         printf("testing FLAC__stream_encoder_set_total_samples_estimate()... ");
 238         if(!FLAC__stream_encoder_set_total_samples_estimate(encoder, streaminfo_.data.stream_info.total_samples))
 239                 return die_s_("returned false", encoder);
 240         printf("OK\n");
 241
 242         printf("testing FLAC__stream_encoder_set_metadata()... ");
 243         if(!FLAC__stream_encoder_set_metadata(encoder, metadata_sequence_, num_metadata_))
 244                 return die_s_("returned false", encoder);
 245         printf("OK\n");
 246
 247         switch(layer) {
 248                 case LAYER_STREAM:
 249                         printf("testing FLAC__stream_encoder_init_%sstream()... ", is_ogg? "ogg_":"");
 250                         init_status = is_ogg?
 251                                 FLAC__stream_encoder_init_ogg_stream(encoder, /*read_callback=*/0, stream_encoder_write_callback_, /*seek_callback=*/0, /*tell_callback=*/0, stream_encoder_metadata_callback_, /*client_data=*/0) :
 252                                 FLAC__stream_encoder_init_stream(encoder, stream_encoder_write_callback_, /*seek_callback=*/0, /*tell_callback=*/0, stream_encoder_metadata_callback_, /*client_data=*/0);
 253                         break;
 254                 case LAYER_SEEKABLE_STREAM:
 255                         printf("testing FLAC__stream_encoder_init_%sstream()... ", is_ogg? "ogg_":"");
 256                         init_status = is_ogg?
 257                                 FLAC__stream_encoder_init_ogg_stream(encoder, stream_encoder_read_callback_, stream_encoder_write_callback_, stream_encoder_seek_callback_, stream_encoder_tell_callback_, /*metadata_callback=*/0, /*client_data=*/0) :
 258                                 FLAC__stream_encoder_init_stream(encoder, stream_encoder_write_callback_, stream_encoder_seek_callback_, stream_encoder_tell_callback_, /*metadata_callback=*/0, /*client_data=*/0);
 259                         break;
 260                 case LAYER_FILE:
 261                         printf("opening file for FLAC output... ");
 262                         file = fopen(flacfilename(is_ogg), "w+b");
 263                         if(0 == file) {
 264                                 printf("ERROR (%s)\n", strerror(errno));
 265                                 return false;
 266                         }
 267                         printf("OK\n");
 268
 269                         printf("testing FLAC__stream_encoder_init_%sFILE()... ", is_ogg? "ogg_":"");
 270                         init_status = is_ogg?
 271                                 FLAC__stream_encoder_init_ogg_FILE(encoder, file, stream_encoder_progress_callback_, /*client_data=*/0) :
 272                                 FLAC__stream_encoder_init_FILE(encoder, file, stream_encoder_progress_callback_, /*client_data=*/0);
 273                         break;
 274                 case LAYER_FILENAME:
 275                         printf("testing FLAC__stream_encoder_init_%sfile()... ", is_ogg? "ogg_":"");
 276                         init_status = is_ogg?
 277                                 FLAC__stream_encoder_init_ogg_file(encoder, flacfilename(is_ogg), stream_encoder_progress_callback_, /*client_data=*/0) :
 278                                 FLAC__stream_encoder_init_file(encoder, flacfilename(is_ogg), stream_encoder_progress_callback_, /*client_data=*/0);
 279                         break;
 280                 default:
 281                         die_("internal error 001");
 282                         return false;
 283         }
 284         if(init_status != FLAC__STREAM_ENCODER_INIT_STATUS_OK)
 285                 return die_s_(0, encoder);
 286         printf("OK\n");
 287
 288         printf("testing FLAC__stream_encoder_get_state()... ");
 289         state = FLAC__stream_encoder_get_state(encoder);
 290         printf("returned state = %u (%s)... OK\n", (unsigned)state, FLAC__StreamEncoderStateString[state]);
 291
 292         printf("testing FLAC__stream_encoder_get_verify_decoder_state()... ");
 293         dstate = FLAC__stream_encoder_get_verify_decoder_state(encoder);
 294         printf("returned state = %u (%s)... OK\n", (unsigned)dstate, FLAC__StreamDecoderStateString[dstate]);
 295
 296         {
 297                 FLAC__uint64 absolute_sample;
 298                 unsigned frame_number;
 299                 unsigned channel;
 300                 unsigned sample;
 301                 FLAC__int32 expected;
 302                 FLAC__int32 got;
 303
 304                 printf("testing FLAC__stream_encoder_get_verify_decoder_error_stats()... ");
 305                 FLAC__stream_encoder_get_verify_decoder_error_stats(encoder, &absolute_sample, &frame_number, &channel, &sample, &expected, &got);
 306                 printf("OK\n");
 307         }
 308
 309         printf("testing FLAC__stream_encoder_get_verify()... ");
 310         if(FLAC__stream_encoder_get_verify(encoder) != true) {
 311                 printf("FAILED, expected true, got false\n");
 312                 return false;
 313         }
 314         printf("OK\n");
 315
 316         printf("testing FLAC__stream_encoder_get_streamable_subset()... ");
 317         if(FLAC__stream_encoder_get_streamable_subset(encoder) != true) {
 318                 printf("FAILED, expected true, got false\n");
 319                 return false;
 320         }
 321         printf("OK\n");
 322
 323         printf("testing FLAC__stream_encoder_get_do_mid_side_stereo()... ");
 324         if(FLAC__stream_encoder_get_do_mid_side_stereo(encoder) != false) {
 325                 printf("FAILED, expected false, got true\n");
 326                 return false;
 327         }
 328         printf("OK\n");
 329
 330         printf("testing FLAC__stream_encoder_get_loose_mid_side_stereo()... ");
 331         if(FLAC__stream_encoder_get_loose_mid_side_stereo(encoder) != false) {
 332                 printf("FAILED, expected false, got true\n");
 333                 return false;
 334         }
 335         printf("OK\n");
 336
 337         printf("testing FLAC__stream_encoder_get_channels()... ");
 338         if(FLAC__stream_encoder_get_channels(encoder) != streaminfo_.data.stream_info.channels) {
 339                 printf("FAILED, expected %u, got %u\n", streaminfo_.data.stream_info.channels, FLAC__stream_encoder_get_channels(encoder));
 340                 return false;
 341         }
 342         printf("OK\n");
 343
 344         printf("testing FLAC__stream_encoder_get_bits_per_sample()... ");
 345         if(FLAC__stream_encoder_get_bits_per_sample(encoder) != streaminfo_.data.stream_info.bits_per_sample) {
 346                 printf("FAILED, expected %u, got %u\n", streaminfo_.data.stream_info.bits_per_sample, FLAC__stream_encoder_get_bits_per_sample(encoder));
 347                 return false;
 348         }
 349         printf("OK\n");
 350
 351         printf("testing FLAC__stream_encoder_get_sample_rate()... ");
 352         if(FLAC__stream_encoder_get_sample_rate(encoder) != streaminfo_.data.stream_info.sample_rate) {
 353                 printf("FAILED, expected %u, got %u\n", streaminfo_.data.stream_info.sample_rate, FLAC__stream_encoder_get_sample_rate(encoder));
 354                 return false;
 355         }
 356         printf("OK\n");
 357
 358         printf("testing FLAC__stream_encoder_get_blocksize()... ");
 359         if(FLAC__stream_encoder_get_blocksize(encoder) != streaminfo_.data.stream_info.min_blocksize) {
 360                 printf("FAILED, expected %u, got %u\n", streaminfo_.data.stream_info.min_blocksize, FLAC__stream_encoder_get_blocksize(encoder));
 361                 return false;
 362         }
 363         printf("OK\n");
 364
 365         printf("testing FLAC__stream_encoder_get_max_lpc_order()... ");
 366         if(FLAC__stream_encoder_get_max_lpc_order(encoder) != 0) {
 367                 printf("FAILED, expected %u, got %u\n", 0, FLAC__stream_encoder_get_max_lpc_order(encoder));
 368                 return false;
 369         }
 370         printf("OK\n");
 371
 372         printf("testing FLAC__stream_encoder_get_qlp_coeff_precision()... ");
 373         (void)FLAC__stream_encoder_get_qlp_coeff_precision(encoder);
 374         /* we asked the encoder to auto select this so we accept anything */
 375         printf("OK\n");
 376
 377         printf("testing FLAC__stream_encoder_get_do_qlp_coeff_prec_search()... ");
 378         if(FLAC__stream_encoder_get_do_qlp_coeff_prec_search(encoder) != false) {
 379                 printf("FAILED, expected false, got true\n");
 380                 return false;
 381         }
 382         printf("OK\n");
 383
 384         printf("testing FLAC__stream_encoder_get_do_escape_coding()... ");
 385         if(FLAC__stream_encoder_get_do_escape_coding(encoder) != false) {
 386                 printf("FAILED, expected false, got true\n");
 387                 return false;
 388         }
 389         printf("OK\n");
 390
 391         printf("testing FLAC__stream_encoder_get_do_exhaustive_model_search()... ");
 392         if(FLAC__stream_encoder_get_do_exhaustive_model_search(encoder) != false) {
 393                 printf("FAILED, expected false, got true\n");
 394                 return false;
 395         }
 396         printf("OK\n");
 397
 398         printf("testing FLAC__stream_encoder_get_min_residual_partition_order()... ");
 399         if(FLAC__stream_encoder_get_min_residual_partition_order(encoder) != 0) {
 400                 printf("FAILED, expected %u, got %u\n", 0, FLAC__stream_encoder_get_min_residual_partition_order(encoder));
 401                 return false;
 402         }
 403         printf("OK\n");
 404
 405         printf("testing FLAC__stream_encoder_get_max_residual_partition_order()... ");
 406         if(FLAC__stream_encoder_get_max_residual_partition_order(encoder) != 0) {
 407                 printf("FAILED, expected %u, got %u\n", 0, FLAC__stream_encoder_get_max_residual_partition_order(encoder));
 408                 return false;
 409         }
 410         printf("OK\n");
 411
 412         printf("testing FLAC__stream_encoder_get_rice_parameter_search_dist()... ");
 413         if(FLAC__stream_encoder_get_rice_parameter_search_dist(encoder) != 0) {
 414                 printf("FAILED, expected %u, got %u\n", 0, FLAC__stream_encoder_get_rice_parameter_search_dist(encoder));
 415                 return false;
 416         }
 417         printf("OK\n");
 418
 419         printf("testing FLAC__stream_encoder_get_total_samples_estimate()... ");
 420         if(FLAC__stream_encoder_get_total_samples_estimate(encoder) != streaminfo_.data.stream_info.total_samples) {
 421                 printf("FAILED, expected %llu, got %llu\n", streaminfo_.data.stream_info.total_samples, FLAC__stream_encoder_get_total_samples_estimate(encoder));
 422                 return false;
 423         }
 424         printf("OK\n");
 425
 426         /* init the dummy sample buffer */
 427         for(i = 0; i < sizeof(samples) / sizeof(FLAC__int32); i++)
 428                 samples[i] = i & 7;
 429
 430         printf("testing FLAC__stream_encoder_process()... ");
 431         if(!FLAC__stream_encoder_process(encoder, (const FLAC__int32 * const *)samples_array, sizeof(samples) / sizeof(FLAC__int32)))
 432                 return die_s_("returned false", encoder);
 433         printf("OK\n");
 434
 435         printf("testing FLAC__stream_encoder_process_interleaved()... ");
 436         if(!FLAC__stream_encoder_process_interleaved(encoder, samples, sizeof(samples) / sizeof(FLAC__int32)))
 437                 return die_s_("returned false", encoder);
 438         printf("OK\n");
 439
 440         printf("testing FLAC__stream_encoder_finish()... ");
 441         FLAC__stream_encoder_finish(encoder);
 442         printf("OK\n");
 443
 444         printf("testing FLAC__stream_encoder_delete()... ");
 445         FLAC__stream_encoder_delete(encoder);
 446         printf("OK\n");
 447
 448         printf("\nPASSED!\n");
 449
 450         return true;
 451 }
 452
 453 FLAC__bool test_encoders()
 454 {
 455         FLAC__bool is_ogg = false;
 456
 457         while(1) {
 458                 init_metadata_blocks_();
 459
 460                 if(!test_stream_encoder(LAYER_STREAM, is_ogg))
 461                         return false;
 462
 463                 if(!test_stream_encoder(LAYER_SEEKABLE_STREAM, is_ogg))
 464                         return false;
 465
 466                 if(!test_stream_encoder(LAYER_FILE, is_ogg))
 467                         return false;
 468
 469                 if(!test_stream_encoder(LAYER_FILENAME, is_ogg))
 470                         return false;
 471
 472                 (void) grabbag__file_remove_file(flacfilename(is_ogg));
 473
 474                 free_metadata_blocks_();
 475
 476                 if(!FLAC_API_SUPPORTS_OGG_FLAC || is_ogg)
 477                         break;
 478                 is_ogg = true;
 479         }
 480
 481         return true;
 482 }